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How do I trap ctrl-c (SIGINT) in a C# console app
... I have found that that Console.CancelKeyPress will stop working if the console is closed. Running an app under mono/linux with systemd, or if the app is run as "mono myapp.exe < /dev/null", a SIGINT will be sent to the default signal handler and instantly kill the app. Linux users may ...
Clear form field after select for jQuery UI Autocomplete
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Fantastic! I feel silly though. Now I know, and knowing is half the battle.
– Jon F Hancock
Apr 1 '10 at 16:29
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Make a Bash alias that takes a parameter?
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If you are changing an alias to a function, sourceing your .bashrc will add the function but it won't unalias the old alias. Since aliases are higher precedent than functions, it will try to use the alias. You need to eithe...
gulp globbing- how to watch everything below directory
... I would be happy to accept your answer and add it to the gulp docs. Right now you have to go to the docs for one of gulp's submodules, which then gives you a list of manpages. It would be good to have a direct reference, especially for designers using gulp.
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Is std::unique_ptr required to know the full definition of T?
...ve code like the above. When it executes, bad things will probably happen. If you're very lucky your program will crash. However a more probable outcome is that your program will silently leak memory as ~A() won't be called.
Using auto_ptr<A> in the above example doesn't help. You still get t...
Merge 2 arrays of objects
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If you want to merge 2 arrays of objects in JavaScript. You can use this one line trick
Array.prototype.push.apply(arr1,arr2);
For Example
var arr1 = [{name: "lang", value: "English"},{name: "age", value: "18"}];
var arr...
Python 3.x rounding behavior
...ard the higher number. With large numbers of calculations, this can be significant. The Python 3.0 approach eliminates this issue.
There is more than one method of rounding in common use. IEEE 754, the international standard for floating-point math, defines five different rounding methods (the one u...
Converting NumPy array into Python List structure?
....int32 or np.float32) to the "nearest compatible Python type" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll end up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.)
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PostgreSQL - Rename database
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AND datname = 'name of database';
-- rename the database (it should now have zero clients)
ALTER DATABASE "name of database" RENAME TO "new name of database";
Note that table pg_stat_activity column pid was named as procpid in versions prior to 9.2. So if your PostgreSQL version is lower th...
Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术
...是如何实现的呢？直接上代码吧，亲测可用：
Ping.h
#ifndef CPING_H
#define CPING_H
#include <windows.h>
#include <conio.h>
#include <winnt.h>
#define PING_TIMES 2 //ping 4 次
typedef struct _IPINFO
{
unsigned char Ttl; // Time To Live
unsigned char Tos; /...