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How to validate an email address in JavaScript
...leapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form>
<p>Enter an email address:</p>
<input id='email'>
<button type='submit' id='validate'>Validate!</button>
</form>
<h2 id='result'></h2>
...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
...Testing remote call returning promise', function() {
var myService;
beforeEach(module('app.myService'));
beforeEach(inject( function(_myService_, myOtherService, $q){
myService = _myService_;
spyOn(myOtherService, "makeRemoteCallReturningPromise").and.callFake(function() {
va...
Python exit commands - why so many and when should each be used?
...
Let me give some information on them:
quit() simply raises the SystemExit exception.
Furthermore, if you print it, it will give a message:
>>> print (quit)
Use quit() or Ctrl-Z plus Return to exit
>>>
This functionalit...
Getting the last argument passed to a shell script
...
This is a bit of a hack:
for last; do true; done
echo $last
This one is also pretty portable (again, should work with bash, ksh and sh) and it doesn't shift the arguments, which could be nice.
It uses the fact that for implicitly loops over the ar...
Strip HTML from strings in Python
...g to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
...
What are the rules about using an underscore in a C++ identifier?
... rules (which did not change in C++11):
Reserved in any scope, including for use as implementation macros:
identifiers beginning with an underscore followed immediately by an uppercase letter
identifiers containing adjacent underscores (or "double underscore")
Reserved in the global namespace:
...
c++ 代码调用nsis安装包实现静默安装 - C/C++ - 清泛网 - 专注C/C++及内核技术
...orking = szPath.Mid( 0, szPath.ReverseFind( '\\' ) );
PROCESS_INFORMATION pi;
STARTUPINFO si;
memset( &si, 0, sizeof( si ) );
si.cb = sizeof( si );
si.wShowWindow = SW_SHOW;
si.dwFlags = STARTF_USESHOWWINDOW;
szCmdline = _T("/NCRC /S /D=");
szCmdline.Append(szCurPath);
BOOL fR...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
.../bin/bpftrace
/*
* opensnoop Trace open() syscalls.
* For Linux, uses bpftrace and eBPF.
*
* Also a basic example of bpftrace.
*
* USAGE: opensnoop.bt
*
* This is a bpftrace version of the bcc tool of the same name.
*
* Copyright 2018 Netflix, Inc.
* Licensed u...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
.../bin/bpftrace
/*
* opensnoop Trace open() syscalls.
* For Linux, uses bpftrace and eBPF.
*
* Also a basic example of bpftrace.
*
* USAGE: opensnoop.bt
*
* This is a bpftrace version of the bcc tool of the same name.
*
* Copyright 2018 Netflix, Inc.
* Licensed u...
Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
.../bin/bpftrace
/*
* opensnoop Trace open() syscalls.
* For Linux, uses bpftrace and eBPF.
*
* Also a basic example of bpftrace.
*
* USAGE: opensnoop.bt
*
* This is a bpftrace version of the bcc tool of the same name.
*
* Copyright 2018 Netflix, Inc.
* Licensed u...