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Python != operation vs “is not”
...right hand side and the left hand side are the very same object. No methodcalls are done, objects can't influence the is operation.
You use is (and is not) for singletons, like None, where you don't care about objects that might want to pretend to be None or where you want to protect against object...
What size should apple-touch-icon.png be for iPad and iPhone?
...pdates ... makes this answer super relevant!
– Chris Allinson
Jun 24 '15 at 20:30
1
It's worth no...
Does Python have an ordered set?
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I'm pretty sure you're not allowed to have two methods both called union in the same class. The last one will "win" and the first one will fail to exist at runtime. This is because OrderedSet.union (no parens) has to refer to a single object.
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'printf' vs. 'cout' in C++
...letely on operator overloading, so there is no issue with custom formats - all you do is define a subroutine taking std::ostream as the first argument and your type as second. As such, there are no namespace problems - as long you have a class (which isn't limited to one character), you can have wor...
How do I detect if software keyboard is visible on Android Device or not?
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This works for me. Maybe this is always the best way for all versions.
It would be effective to make a property of keyboard visibility and observe this changes delayed because the onGlobalLayout method calls many times. Also it is good to check the device rotation and windowSoftIn...
IIS AppPoolIdentity and file system write access permissions
...tem folders (otherwise how else would the worker process be able to dynamically load essential DLL's).
With regard to your observations about being able to write to your c:\dump folder. If you take a look at the permissions in the Advanced Security Settings, you'll see the following:
See that Sp...
How to remove illegal characters from path and filenames?
...gal path into a legitimate but probably unintended one.
Edit: Or a potentially 'better' solution, using Regex's.
string illegal = "\"M\"\\a/ry/ h**ad:>> a\\/:*?\"| li*tt|le|| la\"mb.?";
string regexSearch = new string(Path.GetInvalidFileNameChars()) + new string(Path.GetInvalidPathChars());
...
What are the applications of binary trees?
...ningless - they are not a data structure, but a family of data structures, all with different performance characteristics. While it is true that unbalanced binary trees perform much worse than self-balancing binary trees for searching, there are many binary trees (such as binary tries) for which "b...
Select count(*) from multiple tables
How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result:
18 Answers
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What does “#define _GNU_SOURCE” imply?
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For exact details on what are all enabled by _GNU_SOURCE, documentation can help.
From the GNU documentation:
Macro: _GNU_SOURCE
If you define this macro, everything is included: ISO C89, ISO C99, POSIX.1, POSIX.2, BSD, SVID, X/Open, LFS, and ...