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  • NHibernate update using composite key

    - by Mahesh
    Hi, I have a table defnition as given below: License ClientId Type Total Used ClientId and Type together uniquely identifies a row. I have a mapping file as given below: <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" auto-import="true"> <class name="Acumen.AAM.Domain.Model.License, Acumen.AAM.Domain" lazy="false" table="License"> <id name="ClientId" access="field" column="ClientID" /> <property name="Total" access="field" column="Total"/> <property name="Used" access="field" column="Used"/> <property name="Type" access="field" column="Type"/> </class> </hibernate-mapping> If a client used a license to create a user, I need to update the Used column in the table. As I set ClientId as the id column for this table, I am getting TooManyRowsAffectedException. could you please let me know how to set a composite key at mapping level so that NHibernate can udpate based on ClientId and Type. Something like: Update License SET Used=Used-1 WHERE ClientId='xxx' AND Type=1 Please help. Thanks, Mahesh

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  • Passing Key-Value pair to a COM method in C#

    - by Sinnerman
    Hello, I have the following problem: I have a project in C# .Net where I use a third party COM component. So the problem is that the above component has a method, which takes a string and a number of key-value pairs as arguments. I already managed to call that method through JavaScript like that: var srcName srcName = top.cadView.addSource( 'Database', { driver : 'Oracle', host : '10.10.1.123', port : 1234, database : 'someSID', user : 'someuser', password : 'somepass' } ) if ( srcName != '' ) { ... } ... and it worked perfectly well. However I have no idea how to do the same using C#. I tried passing the pairs as Dictionary and Struct/Class but it throws me a "Specified cast is not valid." exception. I also tried using Hashtable like that: Hashtable args = new Hashtable(); args.Add("driver", "Oracle"); args.Add("host", "10.10.1.123"); args.Add("port", 1234); args.Add("database", "someSID"); args.Add("user", "someUser"); args.Add("password", "samePass"); String srcName = axCVCanvas.addSource("Database", args); and although it doesn't throw an exception it still won't do the job, writing me in a log file [ Error] [14:38:33.281] Cad::SourceDB::SourceDB(): missing parameter 'driver' Any help will be appreciated, thanks.

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  • Gimp: Color to alpha

    - by MTilsted
    I have an image where I want all the pixels with a specific color converted to transparent pixels. The operation should not change the color/alpha value of any pixel which don't match the color exactly. How do I do that? At first I thought I could use Colors-"Color to Alpha" but that don't work because it changes the color of all pixels(It adds an alpha value to all pixels). Using Gimp 2.6.11 on Linux

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  • How do I upgrade Windows Server 2008 R2 Standard (OEM Key) to Enterprise (MSDN Key) using DISM?

    - by Tom Crane
    (Originally asked as After upgrading to 2008 R2 Enterprise and installing more RAM, Windows can only see 4.00 GB but now I know what the question really is...) My Dell server came preinstalled with 2008 R2 Standard. I upgraded to Enterprise to take advantage of more than 32GB RAM. This server is purely for dev and testing, so I want to use my MSDN product key for the upgrade. I originally tried to uprade using the MSDN Enterprise key, but it wouldn't have it: dism /online /Set-Edition:ServerEnterprise /ProductKey:[MSDN key] => Error DISM DISM Transmog Provider: PID=5728 Product key is keyed to [], but user requested transmog to [ServerEnterprise] - CTransmogManager::ValidateTransmogrify I tried several things, including changing the current product key to the MSDN one. Eventually I used a KMS generic key which can be found in several technet forum posts. dism /online /Set-Edition:ServerEnterprise /ProductKey:[KMS Generic Key] ... and this appeared to work. I then changed the product key again (using the control panel) to the MSDN key, thinking that was the end of the matter. Only later when tried to start up VMs did I realise I only had 4GB of usable RAM. I didn't make the connection with the licensing changes at this point and went off on a wild goose chase of BIOS settings, memory configurations and the like. Only later when I saw this... http://social.technet.microsoft.com/Forums/en/winserverTS/thread/6debc586-0977-4731-b418-ca1edb34fe8b ...did I make the connection and reapply the KMS Generic key - which gave me all the RAM back. But now I have a system that isn't properly licensed, presumably I won't be able to activate it as it is, so I've got 2 days to enjoy it. With the MSDN key applied, only 4GB RAM is usable. Is there a way round this without a) rebuilding the server from scratch with the MSDN key from the start or b) buying a retail Enterprise license

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  • Can't change Firefox menu background color using userChrome.css on Windows 7

    - by soupagain
    I can't change Firefox's menu background color using userChrome.css on Windows 7. menubar, menubutton, menulist, menu, menuitem { color: red !important; background-color: orange !important; } This seems to work as the menubar changes to red and orange. But the background-color on the actual drop down menu stays the same (that Windows 7 menu look), although the text color does change to red. Any ideas??

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  • How to add on key down and on key up event in java script

    - by Ramesh
    Hello , I am creating an live search for my blog..i got this from w3 schools and i need to add on keyboard up,down mouse up and down event ... <html> <head> <script type="text/javascript"> function showResult(str) { if (str.length==0) { document.getElementById("livesearch").innerHTML=""; document.getElementById("livesearch").style.border="0px"; return; } if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("livesearch").innerHTML=xmlhttp.responseText; document.getElementById("livesearch").style.border="1px solid #A5ACB2"; } } xmlhttp.open("GET","livesearch.php?q="+str,true); xmlhttp.send(); } </script> </head> <body> <form> <input type="text" size="30" onkeyup="showResult(this.value)" /> <div id="livesearch"></div> </form> </body> </html>

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  • MySQL query against pseudo-key-value pair data in WordPress custom query

    - by andrevr
    I'm writing a custom WordPress query to use some of the data which the Woothemes Diarise theme creates. Diarise is an event planner theme with calendar blah, blah... and uses custom fields to store the event start and end dates in WP custom fields in the *wp_postmeta* table, which implements a key-value store. So for each post in the "event" category, there are 2 records in *wp_postmeta*, named *event_start_date* and *event_end_date* that I'm interested in. The task is to compare a tourist's arrival and departure dates with the start and end dates of events, yielding a what's on list of events available. We thought we'd killed it with a grand flash of logic, that goes like this: Disregard any event that ends before the tourist arrives, and any that begin after the departure date. I wrote this query: SELECT wposts.* FROM wp_posts wposts LEFT JOIN wp_postmeta wpostmeta ON wposts.ID = wpostmeta.post_id LEFT JOIN wp_term_relationships ON (wposts.ID = wp_term_relationships.object_id) LEFT JOIN wp_term_taxonomy ON (wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id) WHERE wp_term_taxonomy.taxonomy = 'category' AND wp_term_taxonomy.term_id IN(3,4) AND ( wpostmeta.meta_key = 'event_start_date' AND NOT ( concat(subst(wpostmeta.meta_value,7,4),'-',subst(wpostmeta.meta_value,4,2),'-',subst(wpostmeta.meta_value,1,2) > '2010-07-31' ) ) AND ( wpostmeta.meta_key = 'event_end_date' AND NOT ( concat(subst(wpostmeta.meta_value,7,4),'-',subst(wpostmeta.meta_value,4,2),'-',subst(wpostmeta.meta_value,1,2) < '2010-05-01' ) ) ) ORDER BY wpostmeta.meta_value ASC And, of course it returns no records. The problem I believe is in the dual reference to wpostmeta.meta_key, but how to get around that?

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  • Using an unencoded key vs a real Key, benefits?

    - by user246114
    Hi, I am reading the docs for Key generation in app engine. I'm not sure what effect using a simple String key has over a real Key. For example, when my users sign up, they must supply a unique username: class User { /** Key type = unencoded string. */ @PrimaryKey private String name; } now if I understand the docs correctly, I should still be able to generate named keys and entity groups using this, right?: // Find an instance of this entity: User user = pm.findObjectById(User.class, "myusername"); // Create a new obj and put it in same entity group: Key key = new KeyFactory.Builder( User.class.getSimpleName(), "myusername") .addChild(Goat.class.getSimpleName(), "baa").getKey(); Goat goat = new Goat(); goat.setKey(key); pm.makePersistent(goat); the Goat instance should now be in the same entity group as that User, right? I mean there's no problem with leaving the User's primary key as just the raw String? Is there a performance benefit to using a Key though? Should I update to: class User { /** Key type = unencoded string. */ @PrimaryKey private Key key; } // Generate like: Key key = KeyFactory.createKey( User.class.getSimpleName(), "myusername"); user.setKey(key); it's almost the same thing, I'd still just be generating the Key using the unique username anyway, Thanks

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  • Android - Key Dispatching Timed Out

    - by Donal Rafferty
    In my Android application I am getting a very strange crash, when I press a button (Image) on my UI the entire application freezes and after a couple of seconds I getthe dreaded force close dialog appearing. Here is what gets printed in the log: WARN/WindowManager(88): Key dispatching timed out sending to package name/Activity WARN/WindowManager(88): Dispatch state: {{KeyEvent{action=1 code=5 repeat=0 meta=0 scancode=231 mFlags=8} to Window{432bafa0 com.android.launcher/com.android.launcher.Launcher paused=false} @ 1281611789339 lw=Window{432bafa0 com.android.launcher/com.android.launcher.Launcher paused=false} lb=android.os.BinderProxy@431ee8e8 fin=false gfw=true ed=true tts=0 wf=false fp=false mcf=Window{4335fc58 package name/Activity paused=false}}} WARN/WindowManager(88): Current state: {{null to Window{4335fc58 package name/Activity paused=false} @ 1281611821193 lw=Window{4335fc58 package name/Activity paused=false} lb=android.os.BinderProxy@434c9bd0 fin=false gfw=true ed=true tts=0 wf=false fp=false mcf=Window{4335fc58 package name/Activity paused=false}}} INFO/ActivityManager(88): ANR in process: package name (last in package name) INFO/ActivityManager(88): Annotation: keyDispatchingTimedOut INFO/ActivityManager(88): CPU usage: INFO/ActivityManager(88): Load: 5.18 / 5.1 / 4.75 INFO/ActivityManager(88): CPU usage from 7373ms to 1195ms ago: INFO/ActivityManager(88): package name: 6% = 1% user + 5% kernel / faults: 7 minor INFO/ActivityManager(88): system_server: 5% = 4% user + 1% kernel / faults: 27 minor INFO/ActivityManager(88): tiwlan_wifi_wq: 3% = 0% user + 3% kernel INFO/ActivityManager(88): mediaserver: 0% = 0% user + 0% kernel INFO/ActivityManager(88): logcat: 0% = 0% user + 0% kernel INFO/ActivityManager(88): TOTAL: 12% = 5% user + 6% kernel + 0% softirq INFO/ActivityManager(88): Removing old ANR trace file from /data/anr/traces.txt INFO/Process(88): Sending signal. PID: 1812 SIG: 3 INFO/dalvikvm(1812): threadid=7: reacting to signal 3 INFO/dalvikvm(1812): Wrote stack trace to '/data/anr/traces.txt' This is the code for the Button (Image): findViewById(R.id.endcallimage).setOnClickListener(new OnClickListener() { public void onClick(View v) { mNotificationManager.cancel(2); Log.d("Handler", "Endcallimage pressed"); if(callConnected) elapsedTimeBeforePause = SystemClock.elapsedRealtime() - stopWatch.getBase(); try { serviceBinder.endCall(lineId); } catch (RemoteException e) { e.printStackTrace(); } dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN,KeyEvent.FLAG_SOFT_KEYBOARD)); dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_BACK)); } }); If I comment the following out the pressing of the button (image) doesn't cause the crash: try { serviceBinder.endCall(lineId); } catch (RemoteException e) { e.printStackTrace(); } The above code calls down through several levels of the app and into the native layer (NDK), could the call passing through several objects be leading to the force close? It seems unlikely as several other buttons do the same without issue. How about the native layer? Could some code I've built with the NDK be causing the issue? Any other ideas as to what the cause of the issue might be?

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  • OCR an RSA key fob (security token)

    - by user130582
    I put together a quick WinForm/embedded IE browser control which logs into our company's bank website each morning and scrapes/exports the desired deposit information (the bank is a smallish regional bank). Since we have a few dozen "pseudoaccounts" that draw from the same master account, this actually takes 10-15 minutes to retrieve. Anyway, the only problem is that our business bank account reuires an RSA security token (http://www.rsa.com/node.aspx?id=1156)--if you are not familiar, it is a small device which shows a random 6 digit number every 15(?) seconds, so I have to prompt for this value before starting. This is on top of the website's login based security model, so even if you create a read-only account that can't do anything, you still have to put the RSA number in. We have 5 of these tokens for different people in the company. From our perspective this is nusiance security. I was joking about using a web camera to OCR the digits from the key fob so they didn't have to type it in -- mainly so that the scraping/export would be done before anyone arrives in the morning. Well, they asked if I could really do it. So now I ask you, how hard (how many hours) do you think it would take to OCR these digits reliably from a JPEG image produced by the camera? I already know I can get the JPEG easily. I think you get 3 tries to log in, so it really needs to hit a 99% accuracy rate. I could work on this on my off time, but they don't want me to put more than a few hours into it, so I want to leverage as much existing code as possible. This is a 7-segment display (like an alarm clock) so it's not exactly text that an OCR package would be used to seeing. Also--there is a countdown timer on the side of the display; typically when it is down to 1 bar, you wait until the next number appears and it starts over at 5 bars (like signal strength on your cell phone). So this would need to be OCRd as well but it is not text. Anyway the more I think about it as I type this, the less convinced I am that I can truly get this right, so maybe I should just work on it in my spare time?

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  • How does key-based caching work?

    - by Dominic Santos
    I recently read an article on the 37Signals blog and I'm left wondering how it is that they get the cache key. It's all well and good having a cache key that includes the object's timestamp (this means that when you update the object the cache will be invalidated); but how do you then use the cache key in a template without causing a DB hit for the very object that you are trying to fetch from the cache. Specifically, how does this affect One to Many relations where you are rendering a Post's Comments for example. Example in Django: {% for comment in post.comments.all %} {% cache comment.pk comment.modified %} <p>{{ post.body }}</p> {% endcache %} {% endfor %} Is caching in Rails different to just requests to memcached for example (I know that they convert your cache key to something different). Do they also cache the cache key?

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  • Should a primary key be immutable?

    - by Vincent Malgrat
    A recent question on stackoverflow provoked a discussion about the immutability of primary keys. I had thought that it was a kind of rule that primary keys should be immutable. If there is a chance that some day a primary key would be updated, I thought you should use a surrogate key. However it is not in the SQL standard and some RDBMS' "cascade update" feature allows a primary key to change. So my question is: is it still a bad practice to have a primary key that may change ? What are the cons, if any, of having a mutable primary key ?

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  • USB key will only be mounted by gparted [?]

    - by user2413
    Hi, When I insert by usb key nothing happens (i.e. the drive is not visible). I can mount the USB drive from gparted though (and then it's suddenly recognized). It's not particular to any USB key. This only happens on my laptop (on the desktop the same key will be mounted upon plugging it in without any problems). Finally, the key is formated as fat32 and dosfstools and mtools are installed (through gparted claims otherwise). what's the catch? EDIT Also, gparted offers me the option to mount the key on "/" : shouldn't that be "/media" (or has this changed ?)

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  • Intuitive "Take Screenshot" key mapping used by games?

    - by Hatoru Hansou
    I recently had a problem testing my game on Linux Ubuntu. The Print key is intercepted by the desktop environment and It never reaches the game. Rather than fighting this, I will simply use any other key or key combination to trigger the screen capture functionality. Now, using the PRINT key is very intuitive because people already expect this behavior. What other keys are a good idea to use to take screenshots? And if possible elaborate why, have other apps/games used that key?

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  • How to get tilemap transparency color working with TiledLib's Demo implementation?

    - by Adam LaBranche
    So the problem I'm having is that when using Nick Gravelyn's tiledlib pipeline for reading and drawing tmx maps in XNA, the transparency color I set in Tiled's editor will work in the editor, but when I draw it the color that's supposed to become transparent still draws. The closest things to a solution that I've found are - 1) Change my sprite batch's BlendState to NonPremultiplied (found this in a buried Tweet). 2) Get the pixels that are supposed to be transparent at some point then Set them all to transparent. Solution 1 didn't work for me, and solution 2 seems hacky and not a very good way to approach this particular problem, especially since it looks like the custom pipeline processor reads in the transparent color and sets it to the color key for transparency according to the code, just something is going wrong somewhere. At least that's what it looks like the code is doing. TileSetContent.cs if (imageNode.Attributes["trans"] != null) { string color = imageNode.Attributes["trans"].Value; string r = color.Substring(0, 2); string g = color.Substring(2, 2); string b = color.Substring(4, 2); this.ColorKey = new Color((byte)Convert.ToInt32(r, 16), (byte)Convert.ToInt32(g, 16), (byte)Convert.ToInt32(b, 16)); } ... TiledHelpers.cs // build the asset as an external reference OpaqueDataDictionary data = new OpaqueDataDictionary(); data.Add("GenerateMipMaps", false); data.Add("ResizetoPowerOfTwo", false); data.Add("TextureFormat", TextureProcessorOutputFormat.Color); data.Add("ColorKeyEnabled", tileSet.ColorKey.HasValue); data.Add("ColorKeyColor", tileSet.ColorKey.HasValue ? tileSet.ColorKey.Value : Microsoft.Xna.Framework.Color.Magenta); tileSet.Texture = context.BuildAsset<Texture2DContent, Texture2DContent>( new ExternalReference<Texture2DContent>(path), null, data, null, asset); ... I can share more code as well if it helps to understand my problem. Thank you.

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  • How to handle encryption key conflicts when synchronizing data?

    - by Rafael
    Assume that there is data that gets synchronized between several devices. The data is protected with a symmetric encryption algorithm and a key. The key is stored on each device and encrypted with a password. When a user changes the password only the key gets re-encrypted. Under normal circumstances, when there is a good network connection to other peers, the current key gets synchronized and all data on the new device gets encrypted with the same key. But how to handle situations where a new device doesn’t have a network connection and e.g. creates its own new, but incompatible key? How to keep the usability as high as possible under such circumstances? The application could detect that there is no network and hence refuse to start. That’s very bad usability in my opinion, because the application isn’t functional at all in this case. I don’t consider this a solution. The application could ignore the missing network connection and create a new key. But what to do when the application gains a network connection? There will be several incompatible keys and some parts of the underlying data could only be encrypted with one key and other parts with another key. The situation would get worse if there would be more keys than just two and the application would’ve to ask every time for a password when another object that should get decrypted with another key would be needed. It is very messy and time consuming to try to re-encrypt all data that is encrypted with another key with a main key. What should be the main key at all in this case? The oldest key? The key with the most encrypted objects? What if the key got synchronized but not all objects that got encrypted with this particular key? How should the user know for which particular password the application asks and why it takes probably very long to re-encrypt the data? It’s very hard to describe encryption “issues” to users. So far I didn’t find an acceptable solution, nor some kind of generic strategy. Do you have some hints about a concrete strategy or some books / papers that describe synchronization of symmetrically encrypted data with keys that could cause conflicts?

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  • Capturing Alt+PrintScreen hot key and clipboard contents

    - by kusanagi
    I setup catching hotkey on alt+printscreen. It catches perfectly but there is nothing in the buffer - no image. How can I get the image from Clipboard.GetImage() after catching hotkey? Here is the the code. using System; using System.Runtime.InteropServices; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace Magic_Screenshot { public enum ModifierKey : uint { MOD_NULL = 0x0000, MOD_ALT = 0x0001, MOD_CONTROL = 0x0002, MOD_SHIFT = 0x0004, MOD_WIN = 0x0008, } public enum HotKey { PrintScreen, ALT_PrintScreen, CONTROL_PrintScreen } public class HotKeyHelper : IMessageFilter { const string MSG_REGISTERED = "??????? ??????? ??? ????????????????, ???????? UnRegister ??? ?????? ???????????."; const string MSG_UNREGISTERED = "??????? ??????? ?? ????????????????, ???????? Register ??? ???????????."; //?????? ?? ?????? ?????? singleton public HotKeyHelper() { } //public static readonly HotKeyHelper Instance = new HotKeyHelper(); public bool isRegistered; ushort atom; //ushort atom1; ModifierKey modifiers; Keys keyCode; public void Register(ModifierKey modifiers, Keys keyCode) { //??? ???????? ??? ????? ????? ? PreFilterMessage this.modifiers = modifiers; this.keyCode = keyCode; //?? ????????? ?? ??? ???????????? //if (isRegistered) // throw new InvalidOperationException(MSG_REGISTERED); //????????? atom, ??? ??????????? ?????? ??????????? atom = GlobalAddAtom(Guid.NewGuid().ToString()); //atom1 = GlobalAddAtom(Guid.NewGuid().ToString()); if (atom == 0) ThrowWin32Exception(); if (!RegisterHotKey(IntPtr.Zero, atom, modifiers, keyCode)) ThrowWin32Exception(); //if (!RegisterHotKey(IntPtr.Zero, atom1, ModifierKey.MOD_CONTROL, Keys.PrintScreen)) // ThrowWin32Exception(); //????????? ???? ? ??????? ???????? ????????? Application.AddMessageFilter(this); isRegistered = true; } public void UnRegister() { //?? ???????? ?? ??? ???????????? if (!isRegistered) throw new InvalidOperationException(MSG_UNREGISTERED); if (!UnregisterHotKey(IntPtr.Zero, atom)) ThrowWin32Exception(); GlobalDeleteAtom(atom); //??????? ???? ?? ??????? ???????? ????????? Application.RemoveMessageFilter(this); isRegistered = false; } //?????????? Win32Exception ? ????? ?? ????????? ????? ????????????? Win32 ??????? void ThrowWin32Exception() { throw new Win32Exception(Marshal.GetLastWin32Error()); } //???????, ???????????? ??? ??????????? ??????? HotKeys public event HotKeyHelperDelegate HotKeyPressed; public bool PreFilterMessage(ref Message m) { //???????? ?? ????????? WM_HOTKEY if (m.Msg == WM_HOTKEY && //???????? ?? ???? m.HWnd == IntPtr.Zero && //???????? virtual key code m.LParam.ToInt32() >> 16 == (int)keyCode && //???????? ?????? ????????????? (m.LParam.ToInt32() & 0x0000FFFF) == (int)modifiers && //???????? ?? ??????? ??????????? ????????? HotKeyPressed != null) { if ((m.LParam.ToInt32() & 0x0000FFFF) == (int)ModifierKey.MOD_CONTROL && (m.LParam.ToInt32() >> 16 == (int)Keys.PrintScreen)) { HotKeyPressed(this, EventArgs.Empty, HotKey.CONTROL_PrintScreen); } else if ((m.LParam.ToInt32() & 0x0000FFFF) == (int)ModifierKey.MOD_ALT && (m.LParam.ToInt32() >> 16 == (int)Keys.PrintScreen)) { HotKeyPressed(this, EventArgs.Empty, HotKey.ALT_PrintScreen); } else if (m.LParam.ToInt32() >> 16 == (int)Keys.PrintScreen) { HotKeyPressed(this, EventArgs.Empty, HotKey.PrintScreen); } } return false; } //??????????? Win32 ????????? ? ??????? const string USER32_DLL = "User32.dll"; const string KERNEL32_DLL = "Kernel32.dll"; const int WM_HOTKEY = 0x0312; [DllImport(USER32_DLL, SetLastError = true)] static extern bool RegisterHotKey(IntPtr hWnd, int id, ModifierKey fsModifiers, Keys vk); [DllImport(USER32_DLL, SetLastError = true)] static extern bool UnregisterHotKey(IntPtr hWnd, int id); [DllImport(KERNEL32_DLL, SetLastError = true)] static extern ushort GlobalAddAtom(string lpString); [DllImport(KERNEL32_DLL)] static extern ushort GlobalDeleteAtom(ushort nAtom); } } Where is the bug?

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  • Calculating color shades

    - by matejv
    I have the next problem. I have a base color with couple of different shades of that color. Example: Base color: #4085c5 Shade: #005cb1 Now, I have a different color (let's say #d60620), but no shades of it. From the color I would like to calculate shades, that have similar difference as colors mentioned in first paragraph. First I tried calculating difference of RGB elements and applying them to second color, but the result was not like I expected to be. Than I tried with converting color to HSV, reading saturation value and applying the difference to second color, but again the resulting color was still weird. The formula was something like: (HSV(BaseColor)[S] - HSV(Shade)[S]) + HSV(SecondColor)[H] Does anyone know how this problem could be solved? I know I am doing something wrong, but I don't know what. :)

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  • How to change color AND width of non overlay scrollbars in Ubuntu 12.04

    - by Chuqui
    I know many people have complained about the almost invisible and not usable scrollbars in recent versions of Ubuntu, even after removing or disabling the default overlay scrollbars. I wonder how can I easily change their color AND width. I have a 13.3 inches monitor with a 1600*900 resolution and I can barely see them, as you can see in these images: I already changed Firefox, LibreOffice and some other software's scrollbars using GNOME Color Chooser: By the way, I'm using Unity. Thanks!

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  • How to change CapsLock key to produce "a"?

    - by Pit
    While typing I often hit the CapsLock key instead of the a key. (QWERTZU keyboard) This is quite annoying because the moment I realise that I hit the wrong key, I will have to delete multiple character/lines of text an rewrite them in the right form. I am searching for a way to prevent this. I have found a possibility to disable the CapsLock key in Keyboard Layout Options. But this would in my case mean that instead of writing an a I would write nothing. Positive - I don't have to rewrite a whole line, but only one character Negative - It's not that obvious that I hit the wrong key, as a missing character is not perceivable as an upper-case line of text. I would therefore prefer a possibility to map CapsLock to a . Thus when hitting CapsLock an a character would be written. Positive - If I hit CapsLock instead of a I get the output I actually wanted to type. Negative - If I hit CapsLock in any other context I will get an a character. As I don't ever intentionally use the CapsLock key this would not really pose a problem. (I think, or does it?) My Question: So how do I change to a ? And is there any case where this could be dangerous/provoke unwanted behaviour?

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  • how to change gnome 3.2.6 panel background color

    - by rajeev
    I am using ubunut 12.10 with gnome-shell 3.6.2 . I want to change the background color of the panel appearing top of the screen. I am currently using following theme as described in Tweak Tool:Current Theme :AdwaitaCursor Theme: AdwaitaGtk+ Theme: Adwaita I have tried using gconf-editor and dconf-editor but none of them are showing the background color option for the panel. Can any one suggest me a solution to above ?

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