大约有 40,000 项符合查询结果(耗时:0.0420秒) [XML]
What are the differences between poll and select?
I am referring to the POSIX standard select and poll system C API calls.
3 Answers
...
How do you run JavaScript script through the Terminal?
...d efficient, perfect for data-intensive real-time applications that run across distributed devices.
Using terminal you will be able to start it using node command.
$ node
> 2 + 4
6
>
Note: If you want to exit just type
.exit
You can also run a JavaScript file like this:
node file.js
...
Build an iOS app without owning a mac? [closed]
...fter login developer account you can download Xcode IDE's .dmg file
That's all.
Now you just install Xcode and start developing iOS apps and test/debug with Simulator..
2. iPhone/iPad (iOS) app development and Publish to iTunes Store
for publishing your app on iTunes store you need to pay (examp...
Regarding 'main(int argc, char *argv[])' [duplicate]
...rgc and argv of main is used as a way to send arguments to a program, the possibly most familiar way is to use the good ol' terminal where an user could type cat file. Here the word cat is a program that takes a file and outputs it to standard output (stdout).
The program receives the number of arg...
How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?
...
It's not actually Ctrl+K+D, It's Ctrl+K, Ctrl+D. Much easier to type them in series rather than parallel!
– Tim Keating
May 14 '13 at 15:52
...
Recommended Vim plugins for JavaScript coding? [closed]
...is much better IMO) with Vim using the Syntastic Vim plugin. See my other post for more info.
Source-Code browsing / Tag-list
There's also a very neat way to add tag-listing using Mozilla's DoctorJS (formerly jsctags), which is also used in Cloud9 IDE's Ace online editor.
Install the following p...
MySQL Server has gone away when importing large sql file
...
As stated here:
Two most common reasons (and fixes) for the MySQL server has gone away
(error 2006) are:
Server timed out and closed the connection. How to fix:
check that wait_timeout variable in your mysqld’s my.cnf configurat...
How do I keep the screen on in my App? [duplicate]
...ock class inorder to perform this.
See the following code:
import android.os.PowerManager;
public class MyActivity extends Activity {
protected PowerManager.WakeLock mWakeLock;
/** Called when the activity is first created. */
@Override
public void onCreate(final Bundle icicle) {...
Why should C++ programmers minimize use of 'new'?
...
There are two widely-used memory allocation techniques: automatic allocation and dynamic allocation. Commonly, there is a corresponding region of memory for each: the stack and the heap.
Stack
The stack always allocates memory in a sequential fashion. It c...
Why does this method print 4?
...
When we first get into main, the space left over is X-M. Each recursive call takes up R more memory. So for 1 recursive call (1 more than original), the memory use is M + R. Suppose that StackOverflowError is thrown after C successful recursive calls, that is, M + C * R <= X and M + C * (R + 1)...