大约有 20,000 项符合查询结果(耗时:0.0344秒) [XML]
How do you set, clear, and toggle a single bit?
...e to mix DIY bit arithmetic with bitfields, for example making a mask that tests for several bits at once. You can of course use && and hope the compiler will optimize it correctly...
– R.. GitHub STOP HELPING ICE
Jun 28 '10 at 6:17
...
How to install a node.js module without using npm?
...ibling directory of my web project, updated all it's dependencies to the latest versions, and then installed it in my web project with 'npm install ../broken_module_name That worked like a charm. Thanks!
– Perry Tew
May 3 '16 at 3:57
...
How can I save an image with PIL?
...
@RobRose during my testing, when I posted the answer, I did not find anything like that to be necessary. However, it may be the case now. If any testing you do proves it necessary let me know and I'll edit my answer
– neck...
Create request with POST, which response codes 200 or 201 and content
...nclude a JSON string with the identifier of the item created. The ease of testing alone makes including it worthwhile.
ETag: "{ id: 1234, uri: 'http://domain.com/comments/1234', type: 'comment' }"
In this example, the identifier, the uri, and type of the created item are the "resource charac...
How do you do a ‘Pause’ with PowerShell 2.0?
...omments on this page). I made two slight improvements to the latter: added Test-Path to avoid an error if you use Set-StrictMode (you do, don't you?!) and the final Write-Host to add a newline after your keystroke to put the prompt in the right place.
Function Pause ($Message = "Press any key to co...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...cript, which I've used so far
Example 1:
obj = new Object();
obj.name = 'test';
obj.sayHello = function() {
console.log('Hello '+ this.name);
}
Example 2:
obj = {};
obj.name = 'test';
obj.sayHello = function() {
console.log('Hello '+ this.name);
}
obj.sayHello();
Example 3:
var obj =...
Create Pandas DataFrame from a string
In order to test some functionality I would like to create a DataFrame from a string. Let's say my test data looks like:
...
Curious null-coalescing operator custom implicit conversion behaviour
...
return new C();
}
public static void Main() {
C? test = (X() ?? Y()) ?? Z();
}
}
This code will output:
X()
X()
A to B (0)
X()
X()
A to B (0)
B to C (0)
That made me think that the first part of each ?? coalesce expression is evaluated twice.
This code proved it:
...
How do I share IntelliJ Run/Debug configurations between projects?
...uming others might as well.
That is, How to save unit and instrumentation test run configurations? I usually right-click on the test directory which brings up a menu with the option to Run whatever is in that directory. AndroidStudio then creates a run configuration on the fly and in the Run Config...
Switch on ranges of integers in JavaScript [duplicate]
... alert("9 to 11");
}
} else {
alert("not in range");
}
Speed test
I was curious about the overhead of using a switch instead of the simpler if...else..., so I put together a jsFiddle to examine it...
http://jsfiddle.net/17x9w1eL/
Chrome: switch was around 70% slower than if else
Fi...
