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MongoDB: Find a document by non-existence of a field?
...ries with $exists field constraints can now make use of indexes in version 2.0 ...?
– dampier
Dec 20 '11 at 1:57
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What is the Swift equivalent of -[NSObject description]?
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In Swift 2.0 it has changed to CustomStringConvertible and CustomDebugStringConvertible
– Mike Vosseller
Sep 12 '15 at 4:18
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How to list all Git tags?
..., also lists all tags.
More recently ("How to sort git tags?", for Git 2.0+)
git tag --sort=<type>
Sort in a specific order.
Supported type is:
"refname" (lexicographic order),
"version:refname" or "v:refname" (tag names are treated as versions).
Prepend "-" to...
How do I programmatically change file permissions?
...
for windows 7 with nio 2.0:
public static void main(String[] args) throws IOException
{
Path file = Paths.get("c:/touch.txt");
AclFileAttributeView aclAttr = Files.getFileAttributeView(file, AclFileAttributeView.class);
System.out.prin...
What is the dependency inversion principle and why is it important?
... should depend upon abstractions.
Abstractions should never depend upon details. Details should depend upon abstractions.
As to why it is important, in short: changes are risky, and by depending on a concept instead of on an implementation, you reduce the need for change at call sites.
Effectivel...
git command to move a folder inside another
...r out, but it didn't.
See commit c57f628 by Matthieu Moy (moy) for Git 1.9/2.0 (Q1 2014):
Git used to trim the trailing slash, and make the command equivalent to 'git mv file no-such-dir', which created the file no-such-dir (while the trailing slash explicitly stated that it could only be a directo...
Maven artifact and groupId naming
...r version number whatever it is,
and as strange as it can look.
eg. 2.0, 2.0.1, 1.3.1
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Troubleshooting BadImageFormatException
...<configuration>
<startup>
<supportedRuntime version="v2.0.50727" />
<supportedRuntime version="v4.0" />
</startup>
</configuration>
When trying to launch the debug of the application you will get the BadImageFormatException.
Removing the line declar...
Java rounding up to an int using Math.ceil
...adding a .0 will make it a double...
int total = (int) Math.ceil(157.0 / 32.0);
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Tri-state Check box in HTML?
..., Firefox 15, Opera 12 and back to IE7. Regarding mobile browsers, Android 2.0 browser and Safari mobile on iOS 3.1 don't have support for it.
Previous answer
Another alternative would be to play with the checkbox transparency
for the "some selected" state (as Gmail does used to
do in prev...