大约有 30,000 项符合查询结果（耗时：0.0429秒） [XML]
Nesting await in Parallel.ForEach
...
svicksvick
205k4747 gold badges335335 silver badges455455 bronze badges
...
How to unset a JavaScript variable?
...hout var, g_b is a property
delete g_b; //return true
console.log(g_b); //error, g_b is not defined
Technical Explanation
1. Using var
In this case the reference g_a is created in what the ECMAScript spec calls "VariableEnvironment" that is attached to the current scope - this may be the a functio...
How can I verify if one list is a subset of another?
... do that!
– inVader
Jun 13 '19 at 8:05
Context matters; this was accepted for helping the asker, and did explain the d...
How do I detect that an iOS app is running on a jailbroken phone?
...r"))) {
fclose(f);
return YES;
}
fclose(f);
NSError *error;
NSString *stringToBeWritten = @"This is a test.";
[stringToBeWritten writeToFile:@"/private/jailbreak.txt" atomically:YES encoding:NSUTF8StringEncoding error:&error];
[[NSFileManager defaultManager]...
How do I abort the execution of a Python script? [duplicate]
...s generally interpreted as success. Non-zero codes are usually treated as errors. The default is to exit with zero.
import sys
sys.exit("aa! errors!")
Prints "aa! errors!" and exits with a status code of 1.
There is also an _exit() function in the os module. The sys.exit() function raises a S...
Python Progress Bar
...
I tried this code, and it threw a NameError: name 'xrange' is not defined error. Am I missing a module?
– Mushroom Man
May 18 '16 at 1:11
...
I want to execute shell commands from Maven's pom.xml
...in. Took me quite a while to find this simple syntactical mistake. Maven's error output is really not that helpful.
– joergl
Aug 29 '16 at 8:23
1
...
Injecting $state (ui-router) into $http interceptor causes circular dependency
... function success(response) {
return response;
}
function error(response) {
if(response.status === 401) {
$injector.get('$state').transitionTo('public.login');
return $q.reject(response);
}
else {
return $q.reject(response...
Sending email in .NET through Gmail
...
You can still get user not logged in errors if Google just suddenly decides you have sent too many in the past xx number of minutes. You should always add a trySend, if it errors sleep a while, and then attempt again.
– Jason Short
...
What is a .pid file and what does it contain?
...
answered Nov 28 '11 at 13:05
Rafael SteilRafael Steil
4,13833 gold badges2222 silver badges2828 bronze badges
...