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Android: how to hide ActionBar on certain activities
...e="android:windowActionBar">false</item> wouldn't that hide it on all screens?
– Tomer
Oct 23 '13 at 15:10
Up...
What's the difference between commit() and apply() in SharedPreferences
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tl;dr:
commit() writes the data synchronously (blocking the thread its called from). It then informs you about the success of the operation.
apply() schedules the data to be written asynchronously. It does not inform you about the success of the operation.
If you save with apply() and immediately...
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 ...
Is there any way to kill a Thread?
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It is generally a bad pattern to kill a thread abruptly, in Python and in any language. Think of the following cases:
the thread is holding a critical resource that must be closed properly
the thread has created several other threads ...
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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What is the advantage of GCC's __builtin_expect in if else statements?
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I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
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jmp after_if
_foo:
call foo
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after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU ...
How to create a self-signed certificate for a domain name for development?
...poses. My web application solution contains a web API etc, that I need to call from external systems, hence I am not using localhost.
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How can I correctly prefix a word with “a” and “an”?
...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too).
Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...
Entity Framework rollback and remove bad migration
...things that have gone to multiple environments.
The other option is to actually run Update-Database –TargetMigration: TheLastGoodMigration against your deployed database and then delete the migration from your solution. This is kinda the hulk smash alternative and requires this to be performed aga...
Combining C++ and C - how does #ifdef __cplusplus work?
...f legacy C code. We've started writing in C++, with the intent to eventually convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will not mangle the C code's names, but I'm no...