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Can C++ code be valid in both C++03 and C++11 but do different things?
... // #1
void f(...); // #2
template<int N> void g() {
f(0*N); // Calls #2; used to call #1
}
Rounded results after integer division and modulo
In C++03 the compiler was allowed to either round towards 0 or towards negative infinity. In C++11 it is mandatory to round towards 0
int i = (-1) ...
Simple argparse example wanted: 1 argument, 3 results
...or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" .
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Win32 创建控件风格不是Win XP的解决方案 - C/C++ - 清泛网 - 专注C/C++及内核技术
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还需要在资源文件中加一行：
//
1 RT_MANIFEST "TestCtrlStyle.manifest"
注意，有时候，加这样一句代码在资源文件中，链接时会出错：
1>Linking...
1>CVTRES : fatal error CVT1100: duplicate resource. type:MANIFEST, name:1...
Automapper: Update property values without creating a new object
...ecause I was afraid of the learning curve impacting my schedule. I'm officially sorry I stayed away so long...it's much easier than I initially thought.
– Neil T.
Apr 8 '10 at 23:26
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How does one unit test routes with Express?
...rocess of learning Node.js and have been playing around with Express . Really like the framework;however, I'm having trouble figuring out how to write a unit/integration test for a route.
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Parse email content from quoted reply
...il from any quoted reply text that it might include. I've noticed that usually email clients will put an "On such and such date so and so wrote" or prefix the lines with an angle bracket. Unfortunately, not everyone does this. Does anyone have any idea on how to programmatically detect reply text...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...
Here's how I solved it:
open pip.exe in 7zip and extract __main__.py to Python\Scripts folder.
In my case it was C:\Program Files (x86)\Python27\Scripts
Rename __main__.py to pip.py
Run it! python pip.py install something
EDIT:
If you want to be able to do pip install something...
Is it possible to await an event instead of another async method?
...kCompletionSource<object> continueClicked;
private async void Button_Click_1(object sender, RoutedEventArgs e)
{
// Note: You probably want to disable this button while "in progress" so the
// user can't click it twice.
await GetResults();
// And re-enable the button here, possibly ...
What's a reliable way to make an iOS app crash?
...er performs a particular action that a real user is unlikely to do accidentally.
18 Answers
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Backup/Restore a dockerized PostgreSQL database
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Backup your databases
docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
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