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How to delete from select in MySQL?
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SELECT (sub)queries return result sets. So you need to use IN, not = in your WHERE clause.
Additionally, as shown in this answer you cannot modify the same table from a subquery within the same query. However, you can either SELECT then DELETE in separate qu...
How do I view an older version of an SVN file?
...t | vim -. If vim's syntax highlighting doesn't automatically kick in, do :set syntax=java (or whichever language).
– John Kugelman
Nov 27 '12 at 4:10
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Enable bundling and minification in debug mode in ASP.NET MVC 4
...and add a custom config section to your web.config (or at a minimum, an AppSetting entry.) That way, you can selectively enable/disable optimizations without having to do a rebuild.
– Joe the Coder
Feb 12 '14 at 15:58
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Why are there two build.gradle files in an Android Studio project?
...ject. Each application module also has its own build.gradle file for build settings specific to that module.
Project Build File
<PROJECT_ROOT>\build.gradle or the Project Build File is for the entire project so it will be used for global project configurations.
A typical Project Build Fil...
How to pass macro definition from “make” command line arguments (-D) to C source code?
...de the CFLAGS value already defined the Makefile.
Alternatively you could set -Dvar=42 in another variable than CFLAGS and then reuse this variable in CFLAGS to avoid completely overriding CFLAGS.
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How to exit a function in bash
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Note that if you have set -e set at the top of your script and your return 1 or any other number besides 0, your entire script will exit.
– Yevgeniy Brikman
May 6 '16 at 10:53
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How do I find the stack trace in Visual Studio?
...ception location? That's either Debug/Exceptions, or better - Ctrl-Alt-E. Set filters for the exceptions you want to break on.
There's even a way to reconstruct the thrower stack after the exception was caught, but it's really unpleasant. Much, much easier to set a break on the throw.
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What is a sealed trait?
...l of its subclasses are declared within the
same file and that makes the set of subclasses finite which allows
certain compiler checks.
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javascript remove “disabled” attribute from html input
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Set the element's disabled property to false:
document.getElementById('my-input-id').disabled = false;
If you're using jQuery, the equivalent would be:
$('#my-input-id').prop('disabled', false);
For several input fields...
What is the difference between encode/decode?
...that is useful: there are encodings that have nothing to do with character sets, and thus can be applied to 8-bit strings in a meaningful way:
>>> s.encode('zip')
'x\x9c;\xbc\r\x00\x02>\x01z'
You are right, though: the ambiguous usage of "encoding" for both these applications is... aw...