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CSS Child vs Descendant selectors
...gt;<table><tr><td><p> <!...
The first one is called descendant selector and the second one is called child selector.
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How to use shared memory with Linux in C
... you'd rather use the old-style tools.
The mmap() function can be used to allocate memory buffers with highly customizable parameters to control access and permissions, and to back them with file-system storage if necessary.
The following function creates an in-memory buffer that a process can sha...
#pragma mark in Swift?
...ractice anyway. Since extensions can implement protocols, you can e.g. put all of your table view delegate methods in an extension and group your code at a more semantic level than #pragma mark is capable of.
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Read/write to Windows registry using Java
... (directly)
This is pure, Java code.
It uses reflection to work, by actually accessing the private methods in the java.util.prefs.Preferences class. The internals of this class are complicated, but the class itself is very easy to use.
For example, the following code obtains the exact windows di...
.NET String.Format() to add commas in thousands place for a number
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@MacSigler It's actually not true, see Roger Lipscombe's comment on the answer above: String.Format will apply localization automatically.
– Dan Bechard
Oct 17 '13 at 19:34
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...te path.
Converting from a path to a canonical path makes it absolute (usually tack on the current working directory so e.g. ./file.txt becomes c:/temp/file.txt). The canonical path of a file just "purifies" the path, removing and resolving stuff like ..\ and resolving symlinks (on unixes).
Also ...
How come a non-const reference cannot bind to a temporary object?
Why is it not allowed to get non-const reference to a temporary object,
which function getx() returns? Clearly, this is prohibited by C++ Standard
but I am interested in the purpose of such restriction, not a reference to the standard.
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
... up to date) These will be the references causing the project to be perpetually "out of date".
To correct this, either remove any references to the missing files from your project, or update the references to indicate their actual locations.
Note: If using 2012 or later then the snippet should be...
How to prevent that the password to decrypt the private key has to be entered every time when using
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Running this produced no output at all.
– user9993
May 18 '17 at 8:56
@user999...
How to use the toString method in Java?
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object. In general, the toString
method returns a string that
"textually represents" this object.
The result should be a concise but
informative representation that is
easy for a person to read. It is
recommended that all subclasses
override this method.
The toString method fo...