大约有 40,000 项符合查询结果（耗时：0.0741秒） [XML]
Is there a job scheduler library for node.js? [closed]
...'t this kind of library how this should be implemented? Should I just set callback to be called every second and check the time and start jobs scheduled for the time or what?
...
How to elegantly check if a number is within a range?
...
There are a lot of options:
int x = 30;
if (Enumerable.Range(1,100).Contains(x))
//true
if (x >= 1 && x <= 100)
//true
Also, check out this SO post for regex options.
...
Self-references in object literals / initializers
...some kind of one time initialization of the object.
Note that you are actually assigning the return value of init() to foo, therefore you have to return this.
share
|
improve this answer
|...
C++ IDE for Linux? [closed]
...
Initially: confusion
When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...
How to get distinct values from an array of objects in JavaScript?
...
@zhuguowei perhaps, although there's nothing really wrong with sparse arrays - and I also assumed that age is a relatively small integer (<120 surely)
– Niet the Dark Absol
Jun 12 '17 at 14:56
...
Is it possible to set private property via reflection?
...lic, you apparently don't need to use BindingFlags.NonPublic to find it. Calling SetValue despite the the setter having less accessibility still does what you expect.
share
|
improve this answer
...
Get keys from HashMap in Java
...HashMap contains more than one key. You can use keySet() to get the set of all keys.
team1.put("foo", 1);
team1.put("bar", 2);
will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo"...
How to include file in a bash shell script
...t . is POSIX compliant whereas source isn't
– Mathieu_Du
Feb 20 '15 at 19:38
But here source is not exactly the includ...
Use images instead of radio buttons
...solid #f00;
}
<label>
<input type="radio" name="test" value="small" checked>
<img src="http://placehold.it/40x60/0bf/fff&text=A">
</label>
<label>
<input type="radio" name="test" value="big">
<img src="http://placehold.it/40x60/b0f/fff&text=B"...
Why use double indirection? or Why use pointers to pointers?
When should a double indirection be used in C? Can anyone explain with a example?
18 Answers
...