大约有 47,000 项符合查询结果（耗时：0.0729秒） [XML]
App restarts rather than resumes
...er/skin. I haven't seen the issue occur on a stock Android launcher.
Basically, the app is not actually restarting completely, but your launch Activity is being started and added to the top of the Activity stack when the app is being resumed by the launcher. You can confirm this is the case by clic...
Equivalent of *Nix 'which' command in PowerShell?
...
Is there any way to have the path all the time without to type '| Format-Table Path, Name' ?
– Guillaume
Jan 11 '13 at 8:18
11
...
is it possible to change values of the array when doing foreach in javascript?
...alk briefly about value types in JavaScript.
Primitives (undefined, null, String, Boolean, Number) store an actual value.
ex: var x = 5;
Reference Types (custom objects) store the memory location of the object.
ex: var xObj = { x : 5 };
And third, how function parameters work.
In functions, pa...
How to check if my string is equal to null?
I want to perform some action ONLY IF my string has a meaningful value. So, I tried this.
27 Answers
...
Default initialization of std::array?
...; default-initialize every element of the array.
For example, if T = std::string, every element will be an empty string. If T is a class without a default constructor, both will fail to compile. If T = int, every element will have indeterminate value (unless that declaration happens to be at namesp...
How can I convert String to Int?
...lse, but for noobish people what 'out x' does is set the value of x to the string-cast-as-integer, if the casting is successful. I.e. in this case, x = 0 if the string has any non-integer characters, or x = value of string-as-integer otherwise. So the neat thing is this is one short expression which...
Remove the string on the beginning of an URL
I want to remove the " www. " part from the beginning of an URL string
8 Answers
8
...
Print JSON parsed object?
...entioning that in chrome (and perhaps other browsers) when combined with a string like this: console.log("object: " + obj) it does not display the object, but instead will output "object: [Object obj]".
– Shahar
Jan 22 '15 at 2:13
...
Programmatically access currency exchange rates [closed]
... . '=?' . $to_code;
$response = file_get_contents($temp);
$result_string = explode('"', $response);
$final_result = $result_string['3'];
$float_result = preg_replace("/[^0-9\.]/", '', $full_result);
return $float_result;
}
I'm sure it's far from the most elegant way to do t...
How can I loop through a C++ map of maps?
...+11 - you can use a ranged based for loop and simply do:
std::map<std::string, std::map<std::string, std::string>> mymap;
for(auto const &ent1 : mymap) {
// ent1.first is the first key
for(auto const &ent2 : ent1.second) {
// ent2.first is the second key
// ent2.sec...