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How to wait for all goroutines to finish without using time.Sleep?
...",
"http://www.somestupidname.com/",
}
for _, url := range urls {
// Increment the WaitGroup counter.
wg.Add(1)
// Launch a goroutine to fetch the URL.
go func(url string) {
// Dec...
SQL select join: is it possible to prefix all columns as 'prefix.*'?
...pecify what prefix comes before the dot, you can use "SELECT * FROM a AS my_alias", for instance.
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SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...I SHFileOperation(LPSHFILEOPSTRUCT lpFileOp);
参数：
typedef struct _SHFILEOPSTRUCT
{
HWND hwnd; //父窗口句柄
UINT wFunc; //要执行的动作
LPCTSTR pFrom; //源文件路径，可以是多个文件
LPCTSTR ...
How is “=default” different from “{}” for default constructor and destructor?
...leted destructor:
struct A
{
private:
~A();
};
class Widget {
A a_;
public:
#if 1
virtual ~Widget() = default;
#else
virtual ~Widget() {}
#endif
};
Then the =default solution will compile, but Widget won't be a destructible type. I.e. if you try to destruct a Widget, you'll get a ...
How to add a custom Ribbon tab using VBA?
...ns:mso=""http://schemas.microsoft.com/office/2009/07/customui"">" & _
"<mso:ribbon></mso:ribbon></mso:customUI>"
Open path & fileName For Output Access Write As hFile
Print #hFile, ribbonXML
Close hFile
End Sub
Call LoadCustRibbon sub in the Wookbook open even and ca...
Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...n: https://a.domain.com" http://hashhashhash.cloudfront.net/font.woff?https_a.domain.com
Response headers from Domain A:
Access-Control-Allow-Origin: https://a.domain.com
Access-Control-Allow-Methods: GET
Access-Control-Max-Age: 3000
Access-Control-Allow-Credentials: true
X-Cache: Miss from Cloud...
How do I replace NA values with zeros in an R dataframe?
...and only replaces the ones with missingness.
– Twitch_City
Jul 29 '15 at 16:14
3
And... if you ha...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
...
static_cast
static_cast is used for cases where you basically want to reverse an implicit conversion, with a few restrictions and additions. static_cast performs no runtime checks. This should be used if you know that you refer to...
What Does 'Then' Really Mean in CasperJS
...,
"function step2() { this.echo('this is step two'); }",
"function _step() { this.open(location, settings); }",
"function step3() { this.echo('this is step 3 (google.com is loaded)'); }"
]
Notice the _step() function which has been added automatically by CasperJS to load the url for us...
What is the standard naming convention for html/css ids and classes?
... while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: there isn't a standard.
Update 2015
An interesting corner case with conventions here is Rust. I really like the language, but the compiler will warn you if yo...