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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...
Get current URL of UIWebView
...ow can get a URL, but the url may not be the current URL:
NSString *url = _webView.request.URL.absoluteString;
The correct one is:
NSString *currentURL = [_webView stringByEvaluatingJavaScriptFromString:@"window.location.href"];
...
What is the difference between Cygwin and MinGW?
...-64 (pretty much what you always want, these days), install the mingw64-x86_64-gcc-core Cygwin package. MinGW-64 will then be available as the awkwardly named x86_64-w64-mingw32-gcc command. Please God(s), somebody unify the names of these bloody things already.
– Cecil Curry
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How to index characters in a Golang string?
...)) and may reconvert the string on each iteration for, O(n²). Just do for _, r := range word { fmt.Printf("%c", r) }. If you really wanted to loop with an index for x := 0; x < limit; x++. Please learn the basics of a language before answering questions.
– Dave C
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how to check and set max_allowed_packet mysql variable [duplicate]
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max_allowed_packet
is set in mysql config, not on php side
[mysqld]
max_allowed_packet=16M
You can see it's curent value in mysql like this:
SHOW VARIABLES LIKE 'max_allowed_packet';
You can try to change it like this, bu...
This app won't run unless you update Google Play Services (via Bazaar)
...After installing above mentioned packages my application runs but I see EGL_emulation: eglSurfaceAttrib not implemented warning messages in the log and no map is visible in the application. This is, I believe, emulator/GPU issue. My GPU is Radeon HD6870 and I was running Android 4.1.2 without Google...
Calling a function within a Class method?
...
example 1
class TestClass{
public function __call($name,$arg){
call_user_func($name,$arg);
}
}
class test {
public function newTest(){
function bigTest(){
echo 'Big Test Here';
}
function smallTest(){
e...
Replacing all non-alphanumeric characters with empty strings
...value.replaceAll("[^A-Za-z0-9]", "");
or
return value.replaceAll("[\\W]|_", "");
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In Python, how do I convert all of the items in a list to floats?
... For large array's, I would recommend using numpy: np.array(inp_list, dtype=np.float32). You don't even have to specify if it's a float and just use: np.array(inp_list)
– Thomas Devoogdt
May 23 '18 at 13:40
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overlay opaque div over youtube iframe
...text/html" width="520" height="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe>
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