大约有 47,000 项符合查询结果（耗时：0.0589秒） [XML]
In JavaScript, does it make a difference if I call a function with parentheses?
...they can be passed around exactly as if we were passing around values.
So now to the difference of assignment:
var operator = 3;
var operand = 4;
var ret = Multiply(operator, operand);
At the point of defining the ret variable, Multiply is executed and the return value is assigned - ret becomes ...
How can I explode and trim whitespace?
...the whole time... this + implode saved my freaking life..I can go eat food now.
– jenki221
May 29 '15 at 20:30
4
...
Scala actors: receive vs react
...es something, a thread gets allocated to it, and it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react can be, and is, wholly discarded. Not needing t...
How to add property to a class dynamically?
...
I suppose I should expand this answer, now that I'm older and wiser and know what's going on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(object):
... ...
Android splash screen image sizes to fit all devices
...answer is from 2013 and is seriously outdated. As of Android 3.2 there are now 6 groups of screen density. This answer will be updated as soon as I am able, but with no ETA. Refer to the official documentation for all the densities at the moment (although information on specific pixel sizes is as al...
What is an efficient way to implement a singleton pattern in Java? [closed]
...s to be final. In this case, I've used the final keyword to let the users know it is final. Then you need to make the constructor private to prevent users to create their own Foo. Throwing an exception from the constructor prevents users to use reflection to create a second Foo. Then you create a pr...
#ifdef #ifndef in Java
...with "final" modifier Java compiler itself solves the problem. Because it knows in advance what would be the result of testing this condition.
For example this code:
boolean flag1 = true;
boolean flag2 = false;
int j=0;
for(int i=0;i<1000000000;i++){
if(flag1)
...
SSL Error: CERT_UNTRUSTED while using npm command
... suggested me to install the above version, it was installed properly, but now npm is not working. I am giving you link to my previous question stackoverflow.com/questions/21850871/…
– Sudip7
Feb 19 '14 at 12:07
...
When is localStorage cleared?
...
localStorage is also known as Web Storage, HTML5 Storage, and DOM Storage (these all mean the same thing).
localStorage is similar to sessionStorage, except that data stored in localStorage has no expiration time, while data stored in sessionStor...
Meaning of Choreographer messages in Logcat [duplicate]
...nstalled the latest versions of SDK (API 16) and got the latest ADT. I'm now seeing these messages in the logcat, that I'm quite sure, I haven't seen before. Does anyone have an idea about this?
...