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mongo group query how to keep fields
...h group, you can try aggregating like:
db.test.aggregate({
$group: {
_id : '$name',
name : { $first: '$name' },
age : { $first: '$age' },
sex : { $first: '$sex' },
province : { $first: '$province' },
city : { $first: '$city' },
area : { $first: '$area' },
address : { $firs...
Realistic usage of the C99 'restrict' keyword?
...00 00 00 callq 40b <fr+0x1b>
407: R_X86_64_PC32 memset-0x4
40b: 48 83 c4 08 add $0x8,%rsp
40f: 48 89 da mov %rbx,%rdx
412: 48 89 ef mov %rbp,%rdi
415: 5b pop %rbx
416: 5d...
No output to console from a WPF application?
...ity]
public static class ConsoleManager
{
private const string Kernel32_DllName = "kernel32.dll";
[DllImport(Kernel32_DllName)]
private static extern bool AllocConsole();
[DllImport(Kernel32_DllName)]
private static extern bool FreeConsole();
[DllImport(Kernel32_DllName)]
...
How to specify different Debug/Release output directories in QMake .pro file
...cpp \
src/dialogs.cpp
Release:DESTDIR = release
Release:OBJECTS_DIR = release/.obj
Release:MOC_DIR = release/.moc
Release:RCC_DIR = release/.rcc
Release:UI_DIR = release/.ui
Debug:DESTDIR = debug
Debug:OBJECTS_DIR = debug/.obj
Debug:MOC_DIR = debug/.moc
Debug:RCC_DIR = debug/.rcc
Debug:...
Can I use Twitter Bootstrap and jQuery UI at the same time?
...no]
- jquery-ui-1.9.2.custom.min.css
[images]
- ui-bg_diagonals-thick_90_eeeeee_40x40.png
- ui-bg_glass_100_e4f1fb_1x400.png
- ui-bg_glass_50_3baae3_1x400.png
- ui-bg_glass_80_d7ebf9_1x400.png
- ui-bg_highlight-hard_100_f2f5f7_1x100.png
...
back button callback in navigationController in iOS
...elegate if it should pop the top UINavigationItem by calling navigationBar(_:shouldPop:). UINavigationController actually implement this, but it doesn't publicly declare that it adopts UINavigationBarDelegate (why!?). To intercept this event, create a subclass of UINavigationController, declare its ...
How to pattern match using regular expression in Scala?
...ter match {
case Pattern(c) => c bound to capture group here
case _ =>
}
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Git Push ERROR: Repository not found
...ter before sending the git push: Lets say for this example my password is _pa``ssword_ Phpstorm would output the following: https://_username_:_password_@github.com/_username_/repo.git instead of https://_username_:_pa``ssword_@github.com/_username_/repo.git Changed password to something not ...
Most efficient method to groupby on an array of objects
...g callback functions to return a sorting criteria
– y_nk
Jul 6 '16 at 16:50
118
Here is one that ...
How to implement the --verbose or -v option into a script?
...unction (or if you're willing to use print as a function in 2.x using from __future__ import print_function) it's even simpler:
verboseprint = print if verbose else lambda *a, **k: None
This way, the function is defined as a do-nothing if verbose mode is off (using a lambda), instead of constantl...