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Search found 42958 results on 1719 pages for 'tell dont ask'.

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• How do I tell if a bonjour service is wi fi or bluetooth?

  - by Dancreek

  I am building an app that sends information between two iPhones. The app is working great but the one problem I am having is that I have no way of telling whether bonjour is choosing wi-fi or bluetooth to make the connection. I would like to allow the user to be able to choose which they prefer. Also, is there way to programmatically tell is the device's bluetooth is on?

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• How can I tell if a Windows module handle is still valid?

  - by spacedog

  A module can be unloaded, so how can I tell for sure if it is still in memory? I have a handle to it, obtained from GetModuleHandle. When I tried calling GetHandleInformation on it I see error 0xc0000008 - "An invalid HANDLE was specified." This happened before it could have been unloaded.

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• In an array of buttons, how can you tell which button was clicked?

  - by Michael Seltenreich

  If I have an array of buttons, how can I tell which button was clicked? example below var i=0 CreateButton = new function () { savebutton[i]=NewButton() i++ } every time a user runs the function a new button is generated. the first button is savebutton[0] the second is savebutton[1] and so on potentially infinity times. when later the user presses the button I want the screen to alert it's index number (or 'i'). is there any way to make this work in arrays?

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• Can I make gcc tell me when a calculation results in NaN or inf at runtime?

  - by toft

  Is there a way to tell gcc to throw a SIGFPE or something similar in response to a calculation that results in NaN or (-)inf at runtime, like it would for a divide-by-zero? I've tried the -fsignaling-nans flag, which doesn't seem to help.

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• How to tell which php.ini files is loaded ?

  - by Vince Jacobs

  Looking at my php.info all it says is "Loaded Configuration file:" C:\xampp\php\php.ini Yet I have two ini files inside the php folder. One, "development", the other "production". I can not see within either ini file the value, "Loaded Configuration file" .. So How do I tell which one is being used and where is that managed ? My goal is to have only 1 ini file and disable the other. Many Thanks !

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• Could someone tell me the purpose of Inner classes and if iterator pattens should or a good idea to

  - by welcometocanada

  Could someone tell me what the purpose of inner classes are? Also when designing the iterator pattern do we have to use inner classes? Would it be better to use inner classes?

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• Can I tell sitecrawlers to visit a certain page?

  - by Ace

  Hi there! I have this drupal website that revolves around a document database. By design you can only find these documents by searching the site. But I want all the results to be indexed by Googlebot and other crawlers, so I was thinking, what if I make a page that lists all the documents, and then tell the robots to visit the page to index all my documents..? Is this possible, or is there a better way to do it?

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• How to tell Ruby not to serialize an attribute or how to overload marshal_dump properly?

  - by GregMoreno

  I have an attribute in my AR:B that is not serializeable. o = Discussion.find(6) Marshal.dump(o) TypeError: no marshal_dump is defined for class Proc from (irb):10:in `dump' I know the culprit and what I want is to set this variable to nil before any serialization takes place. I can do this but I'm stuck with the proper way to override marshal_dump def marshal_dump @problem = nil # what is the right return here? end Or is there is way to tell Ruby or AR not to serialize an object?

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• How to tell whether on sub-view's is above another sub-view?

  - by Horace Ho

  Assume there are 3 sub-views (A, B, C) in a view. After a few rounds of random bringSubviewToFront and sendSubviewToBack on A, B, or C , how can I tell whether one sub-view (e.g. A) is on top of another sub-view (e.g. C)? Whether they overlap each other is not required information. Thanks!

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• How can I tell the number of replacements in a formatter string?

  - by sdanna

  Given the following method: (real method has a few more parameters, but the important ones are below...) public string DoSomething(string formatter, params string[] values) { // Do something eventually involving a call to String.Format(formatter, values); } Is there a way to tell if my values array has enough objects in it to cover the formatter, so that I can throw an exception if there aren't (short of doing the string.Format; that isn't an option until the end due to some lambda conversions)?

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• How to tell if the OS is Windows XP or higher?

  - by AngryHacker

  I am trying to play with the Environment.OSVersion.Version object and can't really tell what version would indicate that the OS is Windows XP or higher (e.g. I want to exclude Windows 2000, ME or previous versions).

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• Is there a command-line tool that could tell me if Gzip is really on beyond the Gzip 1 header param?

  - by lucidquiet

  Is there a command-line tool that could tell me if Gzip is on? What I'm looking for is something that can say the stream coming from the server is really gzipped even if the header params say Gzip:1 (which it could be falsely placing in the headers). I don't see a switch in curl, or wget, or tcpdump, or anything, but maybe I'm just missing something, or perhaps there is something else that could provide me this bit of information? Any help would be appreciated.

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• (iphone) how can I tell I need a 3.0 + iOS installed device when looking at apple doc?

  - by Eugene

  Hi, I've seen iphone related open source library which says something like, "You need 4.0+ iOS build environment but the code will run on 3.0+ iOS device." I wonder how those two requirements can differ and how can I tell a minimum 'device' iOS version which a certain api would need. For instance I want to use UIGestureRecognizer but the apple doc says it's 3.2+, but I want my app run on 3.12+. Is there a difference between build os requirement and device os requirement to run an app? Thank you

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• please tell me how i can paint the whole screen in a rimlet?

  - by user188391

  i am developing a blackberry app. i want to paint the screen. i have implemented this VerticalFieldManager hfmBg = new VerticalFieldManager(Field.USE_ALL_HEIGHT ) { protected void paint(Graphics g) { g.setBackgroundColor(Color.SILVER); g.clear(); super.paint(g); }//end of paint method };//end of vertical field manager but tell me is there any other approach to paint the whole screen?

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• How can I tell Wordpress to reset all posted image sizes to the largest set width?

  - by robalan

  I've set the width of large files in Wordpress' Media settings: http://cl.ly/7wX but how can I tell Wordpress to apply the setting to all the images I've already inserted in posts? It's limiting them to a previous setting of 500px wide. Thanks!

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• How can I tell what directory an imported library comes from in python?

  - by muudscope

  I'm trying to modify a python library that I downloaded and am using. But the changes I'm making aren't doing anything. So I suspect that python is importing a different copy of this library from somewhere else on the filesystem. So... When I run import foolib in python, how can I tell where on the filesystem it's getting that library from?

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• How can I run unity with Slim with sound

  - by Samir

  I'm trying to start the unity environment from slim display manager, everything goes fine, except by the sound that don't work, the device just dont appear in the device list I already changed the slim config file to start with this code below, but it didnt solve the problem.... login_cmd exec ck-launch-session dbus-launch /bin/bash -login /etc/X11/Xsession %session I believe the it is related with some thing that the gdm/lighdm start with the session and slim dont do that When I use the lighdm or gdm to start the environment everything works fine

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• Allocating drive space?

  - by Nadim A. Hachem

  I'm trying to install ubuntu but i already have windows 7 on the same computer and i can't afford losing it. everything went perfectly well until allocating drivespace. i dont have the option to "install it besides another operating system " like in the instructions. i only get this menu when my external hard disk is plugged in, but i dont want that. any help assigning partitions? because i have no clue about what to do there this is what the partition menu gives

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• How can I tell NetBeans to use the latest available version of a JAR for a library?

  - by Freiheit

  I have a Netbeans project with a library defined which includes several JARs. These JARs are versioned like lib\blah\com.blah.wibble.jar_0.6.1.201004161543 . These are nightly builds from another project so that version changes often. I know I can point NetBeans at the specific JARs with the version name, but this means that every time I get a new version I have to update the NetBeans library. I can also strip the version name from the JARs, but this makes it hard to track down bugs. "What version of the blah JARs?" is usually the second thing we ask when we find a bug. Is it possible to tell Netbeans to use included com.blah.wibble.jar_[??????] where ???? is some sort of automatic pointer to use the latest available version?

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• How do I politely tell a colleague to RTFM?

  - by Jason Baker

  I think by now, I've transitioned from a junior developer to an "intermediate" developer. Previously, whenever someone would ask me a question, I'd gleefully answer them simply because I was happy to be of use to someone and wanted to prove my worth as a developer. Now it's gotten to the point where I can't get work done because I'm constantly answering questions that can be answered just by spending a few seconds looking at documentation or searching google (sometimes from developers more senior than I). On one hand, I genuinely want to help them out and enjoy teaching other people. However, I just don't have enough bandwidth to keep answering these kinds of questions. How do I handle this kind of thing politely?

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• How can I tell if a candidate is a good Sharepoint Architect / Developer ?

  - by driis

  I need to interview some people for a position as a Sharepoint Architect / Developer role. While I am proficient in .NET, I have worked very little with Sharepoint, so I am unsure how to test the candidates Sharepoint skills. Do you have any suggestions for tests I can throw at the candidates ? Please suggest questions I can ask the candidates; and please specify whether your question is "Must know" knowledge for a Sharepoint developer. Please include the answer to your question.

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• Can I tell if the iPhone has a passcode?

  - by tewha

  I'm developing an application that asks for a PIN when you start it. That's not great, but I can live with it. The problem is I'm being asked to ask for the PIN each time the phone wakes from sleep, too. Combined with the OS asking for its passcode, it's too much. Is there any legitimate way to detect if the phone has a passcode required for waking, so I can skip requiring a PIN in this case? I don't want to know the PIN and I don't actually care if it was locked (for instance, if the phone was asleep very briefly), I just want to know that the data is in some way "protected."

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• Is there a way to tell SGE to run specific jobs as root on the execution node?

  - by Rick Reynolds

  The title kinda says it all... We're using SGE/OGE to submit jobs to a set of worker nodes that then do things with specific pieces of equipment. The programs and scripts that have been created that manipulate this equipment rely on running as root. I'd like SGE to handle allocation of resources in a way that is mindful of users, groups, projects, etc., but I also need the actual jobs to run with root permissions. I've read up on How can one run a prologue script as root in gridengine? to see if anything there was pertinent, but it seems that SGE is providing the "user@" kind of spec specifically for prolog and epilog kinds of actions. Is there any similar functionality for the job itself? I'm aware of su/sudo approaches, but that won't really work in this environment because the sudoers file isn't globally managed (i.e. I'd have to add a whole set of users to /etc/sudoers on lots of machines). I'm currently looking into a setuid kind of solution, but that would definitely be an unnecessary kind of work-around if SGE provides me a way to declare that a specific job (or jobs in a specific queue) always needs to run with a specific user's rights.

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• How do I tell ubuntu to send traffic to a single IP through eth6?

  - by flashnode

  I want to ensure that all IP traffic going to 172.16.60.62 uses eth6. Please provide complete commands because my linux-fu is rusty. The host is running Ubuntu Precise 12.04 user@host:~$ ifconfig eth3 eth3 Link encap:Ethernet HWaddr 00:e0:81:72:fe:c9 inet addr:172.16.60.122 Bcast:172.16.60.255 Mask:255.255.255.0 inet6 addr: fe80::2e0:81ff:fe72:fec9/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:128500 errors:0 dropped:0 overruns:0 frame:0 TX packets:29082 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:67524823 (67.5 MB) TX bytes:2217634 (2.2 MB) Interrupt:71 Base address:0x6000 user@host:~$ ifconfig eth6 eth6 Link encap:Ethernet HWaddr 00:60:dd:47:81:35 inet addr:172.16.60.61 Bcast:172.16.60.255 Mask:255.255.255.0 inet6 addr: fe80::260:ddff:fe47:8135/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:9000 Metric:1 RX packets:109610 errors:0 dropped:0 overruns:0 frame:0 TX packets:109388 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:10785630 (10.7 MB) TX bytes:10754350 (10.7 MB) Interrupt:70 user@host:~$ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 172.16.60.1 0.0.0.0 UG 0 0 0 eth3 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth6 172.16.60.0 0.0.0.0 255.255.255.0 U 1 0 0 eth6 172.16.60.0 0.0.0.0 255.255.255.0 U 1 0 0 eth3

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• How do I tell sudo to write files with a umask of 0022?

  - by mipadi

  I recently upgrading to Snow Leopard. I have noticed that some files written by MacPorts are installed with the wrong permission -- they are written with a umask of 0077. I think I have narrowed down the problem: The port command is invoked via sudo. My .bashrc file specifies a umask of 0077. On older versions of OS X (10.5 and below), sudo used the umask of the root user (which was 0022); however, now it uses my umask of 0077. Is there anyway to have sudo use the old behavior? Right now, it's kind of annoying because I have to use sudo to run simple commands like port installed, port outdated, etc. (The problem is described in more detail in this MacPorts ticket.) Edit I discovered the umask option for sudo, and in /etc/sudoers I added the following line: Defaults umask=0022 However, this did not function as desired, because the real umask used by sudo is the union of the user mask with this default mask.

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