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• How do you find the disk size of a Postgres / PostgreSQL table and its indexes

  - by mmrobins

  I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc, or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer. I assume in Postgres there's something I can use in the information_schema tables, but I'm not seeing where. Thanks in advance.

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• Method overloads resolution and Jon Skeet's Brain Teasers

  - by runrunraygun

  Jon's Brain Teasers Here Be Spoilers... I'm looking at the answer to #1, and I must admit I never knew this was the case in overload resolution. But why is this the case. In my tiny mind Derived.Foo(int) seems like the logical route to go down. What is the logic behind this design decision?

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• Hidden features of Bash

  - by Patrick

  Shell scripts are often used as glue, for automation and simple one-off tasks. What are some of your favorite "hidden" features of the Bash shell/scripting language? One feature per answer Give an example and short description of the feature, not just a link to documentation Label the feature using bold title as the first line See also: Hidden features of C Hidden features of C# Hidden features of C++ Hidden features of Delphi Hidden features of Python Hidden features of Java Hidden features of JavaScript Hidden features of Ruby Hidden features of PHP Hidden features of Perl Hidden features of VB.Net

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• Can URIs have non-ASCII characters?

  - by Cheeso

  I tried to find this in the relevant RFC, IETF RFC 3986, but couldn't figure it. Do URIs for HTTP allow Unicode, or non-ASCII of any kind? Can you please cite the section and the RFC that supports your answer. NB: For those who might think this is not programming related - it is. It's related to an ISAPI filter I'm building.

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• Will Windows Phone 7 Support Multitasking third party apps

  - by Christopher Edwards

  Obviously it's early days, I do not know whether this is information that is in the public domain or not yet, but... I have trawled through some of this site - http://www.windowsphone7series.com/ but I can't seem to find the answer. Specifically will I be able to write an app on the phone that updates the cloud with the phones current GPS position in the background even when other apps are running in the foreground.

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• Regex to match . (periods marking end of sentences) but not Mr. (as in Mr. Hopkins)

  - by Josh Crews

  I'm trying to parse a text file into sentences ending in periods, but names like Mr. Hopkins are throwing false alarms on matching for periods. What regex indentfy's "." but not "Mr." For bonus, I'm also using ! to find end of sentences, so my current Regex is /(!/./ and I'd love an answer that incorporates my !'s too.

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• Hidden features of classic asp

  - by Binoj Antony

  I am still a fan of Classic ASP and know a lot of developers still using classic ASP, although by far there are very few features available in ASP, let us list out the most useful and not so well known ones Of course the question is on the lines of the Hidden Features questions listed below.: Hidden Features of JavaScript Hidden Features of CSS Hidden Features of C# Hidden Features of VB.NET Hidden Features of Java Hidden Features of ASP.NET Hidden Features of Python Hidden Features of TextPad Hidden Features of Eclipse Please specify one feature per answer.

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• Playframework and Django

  - by n002213f

  I have worked with Django before and have recently seen the Play framework. Is this the Java community's answer to Django? Any experiences with it? Any performance comparisons with other Java web frameworks? Edit:Almost similar to http://stackoverflow.com/questions/1597086/any-experience-with-play-java-web-development-framework, the responses, unfortunately don't say much about the framework.

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• What developer features excite you the most for WSS 4.0 / SharePoint 2010?

  - by Alex Angas

  There's been a lot of developer frustration working with SharePoint but we all hope Microsoft has been listening. With that in mind... What updated and new features for developers excite you about working with WSS 4.0 and SharePoint Server 2010? One answer per feature please so the community can vote on each one.

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• drawTextInRect on UITextField not called

  - by subw

  I'm trying to implement the answer to this SO question. The problem is: -[drawTextInRect] is apparently not called, and setting the shadow in -[drawRect] doesn't make the UITextField's text shadowed. Another weird thing is that even if my subclass implementations of -[drawTextInRect] and -[drawRect] are completely empty (not even a call to super), the textfield's text is drawn.

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• Using android native button icons

  - by Julian Arz

  am i allowed (legally) to use graphics/icons from the android source for a commercial application, in order to blend in nicely with the android look&feel? i am talking specifically about the plus/minus buttons from the edit_contacts activity in the contacts application. OR: is there a way to let a button look like (ie with a style) these buttons without copying the .png - files? trying to use android:background="@android:drawable/btn_circle" gives me Error: Resource is not public. Does this answer my question?

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• Why is casting Derived** to Base*const* forbidden ?

  - by smerlin

  After reading this question, i saw the answer by Naveen containing a link to this page, which basically says, that casting from Derived** to Base** is forbidden since could change a pointer to an pointer to a Derived1 object point to a pointer to a Derived2 object (like: *derived1PtrPtr=derived2Ptr). OK, i understand this is evil ... But when casting Derived** to Base*const* this is not even possible, so whats the reason that this is not allowed anyway ?

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• How can I call winrar in perl on windows

  - by perlnoob

  Is it possible to call winrar through perl on a windows system, such as perl -e "rar a -rr10 -s c:\backups\backup.rar @backup.lst" If so, is there a more efficient way to do this? I've looked up "perl -e" +winrar on google, however none of the results gave me any answer that was remotely close to what i was looking for. The system Im running this on is a Windows XP system. Im open to doing this in another language like python if its easier, however I am more comfertable with perl.

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• Switching to landscape mode in Android Emulator

  - by Cody

  This is probably a pretty easy to answer question, but I can't find the solution myself after a couple hours of searching the documentation and Google. I set the orientation of my Android app to landscape in the AndroidManifest.xml file: android:screenOrientation="landscape" However, when I run the app in the simulator, it appears sideways and in portrait mode. How can I switch the emulator to landscape mode on a mac? It's running the 1.6 SDK. Thanks!

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• Programming Blogs, Tumblrs, eBooks or Resources

  - by jiewmeng

  i thought it will be good to know what websites, blogs or tumblogs providing good programming resources, latest news/trends etc. i was actually on tumblr when i thought about finding other users to follow, but couldn't. so i thought i asked here, but dont want to be limited to tumblr please enter 1 link per answer to facilitate voting

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• Tab Controls effecting other Controls.

  - by VBeginner

  Hopefully I've explained myself good enough this time. Can't seem to get a real answer. Trying to make it so when I select certain tabs, certain controls on the left will disappear or reappear. http://img43.imageshack.us/img43/7533/scrnshotg.jpg Also, when "Stats" is selected, I need it to auto-select "Frequency" Ex. On click/focus/select (whatever, nothing seems to work)... ComboBox.Visible = True Thank you.

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• Rosetta Stone: Observer Pattern

  - by Shiftbit

  How is the Observer Pattern expressed in various programming languages? Can you provide a code snippet that illustrates the major differences in each language. This post is intended to demonstrate the differences of this commonly used design pattern. I will start this off with a Java example. Remember to start your answer off with the language being demonstrated.

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• Moon / Lunar Phase Algorithm

  - by Scott Bailey

  Does anyone know an algorithm to either calculate the moon phase or age on a given date or find the dates for new/full moons in a given year? Googling tells me the answer is in some Astronomy book, but I don't really want to buy a whole book when I only need a single page.

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• What problems have you solved using artificial neural networks?

  - by knorv

  I'd like to know about specific problems you - the SO reader - have solved using artificial neural network techniques and what libraries/frameworks you used if you didn't roll your own. Questions: What problems have you used artificial neural networks to solve? What libraries/frameworks did you use? I'm looking for first-hand experiences, so please do not answer unless you have that.

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• DOM Element Width before Appended to DOM

  - by Steve

  I'm sure the answer is no, but is it possible to determine the width of an element before it is appended to the DOM? Once it's appended, I know I can use offsetWidth and offsetHeight. Thanks

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• Can ping IP address and nslookup hostname but cannot ping hostname

  - by jao

  On a windows 2003 server I can nslookup www.google.com which returns Server: localhost Address: 127.0.0.1 Non-authoritative answer: Name: www.l.google.com Addresses: 74.125.79.104, 74.125.79.147, 74.125.79.99 Aliases: www.google.com I can then ping 74.125.79.104: Pinging 74.125.79.104 with 32 bytes of data: Reply from 74.125.79.104: bytes=32 time=16ms TTL=54 Reply from 74.125.79.104: bytes=32 time=32ms TTL=54 Reply from 74.125.79.104: bytes=32 time=15ms TTL=54 Reply from 74.125.79.104: bytes=32 time=15ms TTL=54 Ping statistics for 74.125.79.104: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 15ms, Maximum = 32ms, Average = 19ms But I cannot ping www.google.com: Ping request could not find host www.google.com. Please check the name and try again. (this one is different from the other question in that this one has a TLD, it is not a local domain.) Update: I am running a dns server at localhost (127.0.0.1). Even when I change it to use for example opendns, it still can nslookup hostname and ping ip address, but not ping hostname. So what is wrong? Update 2: here is the ipconfig /all result: Windows IP Configuration Host Name . . . . . . . . . . . . : SERVER Primary Dns Suffix . . . . . . . : NETWORK.local Node Type . . . . . . . . . . . . : Unknown IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : NETWORK.local Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Broadcom NetXtreme Gigabit Ethernet #2 Physical Address. . . . . . . . . : 00-0F-1F-56-3B-AA DHCP Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 192.168.7.2 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.7.1 DNS Servers . . . . . . . . . . . : 127.0.0.1 Update 3: Thanks everyone for their help and suggestions. I appreciate that. Ipconfig /flushdns returns: Sucessfully flushed the DNS resolver cache Ipconfig /displaydns returns: 2.7.168.192.in-addr.arpa ---------------------------------------- Record Name . . . . . : 2.7.168.192.in-addr.arpa. Record Type . . . . . : 12 Time To Live . . . . : 0 Data Length . . . . . : 4 Section . . . . . . . : Answer PTR Record . . . . . : webserver.mydomainname.com 1.0.0.127.in-addr.arpa ---------------------------------------- Record Name . . . . . : 1.0.0.127.in-addr.arpa. Record Type . . . . . : 12 Time To Live . . . . : 0 Data Length . . . . . : 4 Section . . . . . . . : Answer PTR Record . . . . . : localhost Update 4: Wireshark shows the following: 3 11.540542 208.67.220.220 192.168.7.2 DNS Standard query response A 74.125.79.99 A 74.125.79.104 A 74.125.79.147 6 42.056794 192.168.7.2 192.168.7.255 NBNS Name query NB WWW.GOOGLE.COM<00> which is weird: when I ping, it sends a packet to 192.168.7.255 instead of asking the DNS server for an address

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• Set android datepicker date limits

  - by matt

  I am using datePicker in android to display images based on user selected dates. I need to limit said dates to certain days for instance Jan 1st 2010 to Dec 31st 2010. Simple as that i thought but no where can i find the answer on how to limit these dates. Does anyone know how to limit the dates for Android DatePicker

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• Extract the SHA1 hash from a torrent file.

  - by user271528

  I've had a look around for the answer to this, but I only seem to be able to find software that does it for you. Does anybody know how to go about doing this in python?

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• jquery load not loading in IE6

  - by Moak

  I got a simple jquery script workin on all but IE j('.slide').click(function(){ j('#content').load('/menu.php'); return false; }); Here's the url http://identitykit.gotdns.org/ it's valid xhtml and all other similar questions don't answer my problem. menu.php starts with <?php header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1 header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past ?>

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• How can I do this with LINQ?

  - by Liam

  All I'm after doing is this: SELECT CallTypeID, Count(CallTypeID) as NumberOfCalls FROM [Helpdesk_HR].[dbo].[CallHeader] WHERE CallHeader.DateOpened <= GETDATE()-7 GROUP BY CallTypeID in LINQ. But I can't work out a way of doing it and getting it to work. I would use Linqer, but my company won't pay for it at present. Any help is greatly appreciated as I'm sure the answer is obvious. It's just been one of those days today.

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