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What Vim command(s) can be used to quote/unquote words?

...tes. Change single quotes to double quotes va':s/\%V'\%V/"/g va' - Visually select the quoted word and the quotes. :s/ - Start a replacement. \%V'\%V - Only match single quotes that are within the visually selected region. /"/g - Replace them all with double quotes. ...
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Not equal != operator on NULL

...dicates for such situations. This behavior is not specific to SQL Server. All standards-compliant SQL dialects work the same way. Note: To compare if your value is not null, you use IS NOT NULL, while to compare with not null value, you use <> 'YOUR_VALUE'. I can't say if my value equals or ...
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What does T&& (double ampersand) mean in C++11?

...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12 The biggest d...
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What is a good Java library to zip/unzip files? [closed]

... zipFile.setPassword(password); } zipFile.extractAll(destination); } catch (ZipException e) { e.printStackTrace(); } } The Maven dependency is: <dependency> <groupId>net.lingala.zip4j</groupId> <artifactId>zip4j</artifac...
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java.net.ConnectException: Connection refused

...ing this error. after reading a lot from the buddy WEB, I then closed out all the simulators and eclipse, killed the ADP in the task manager and then restarted the Eclipse and everything is started working properly. I think when you have multiple simulators running and then you try to connect devi...
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How to detect if URL has changed after hash in JavaScript

...hange event on window. In some old browsers, you need a timer that continually checks location.hash. If you're using jQuery, there is a plugin that does exactly that. share | improve this answer ...
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How to send FormData objects with Ajax-requests in jQuery? [duplicate]

...nually? – Šime Vidas Nov 28 '11 at 16:50 11 Yes,I believe you could manually set the contentType...
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iPhone Debugging: How to resolve 'failed to get the task for process'?

...the app includes an Entitlements.plist file, which is not necessary to install onto the device for debugging. In general, then, I have included this file for release builds (where it is required for the App Store) and removed it for debugging (so I can debug the app from XCode). That may be your pro...
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What would be C++ limitations compared C language? [closed]

...uestion which asks about a generics library for C - the questioner specifically states that they do not want to use C++. C is a complete programming language. C is not an arbitrary subset of C++. C is not a subset of C++ at all. This is valid C: foo_t* foo = malloc ( sizeof(foo_t) ); To make ...
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How to copy a directory using Ant

... @s1n This commands only copies all the contents of src_dir to ../new/dir and not the src_dir. How do we copy src_dir (directory) to another location? – Pipalayan Nayak Dec 3 '11 at 19:24 ...