大约有 6,600 项符合查询结果（耗时：0.0284秒） [XML]
Compare two dates with JavaScript
... edited Oct 15 '19 at 20:52
Josh
15.2k66 gold badges4242 silver badges5959 bronze badges
answered Jan 29 '09 at 19:20
...
What is the garbage collector in Java?
...eating new objects, such as Strings and Files, but after a certain time, those objects are not used anymore. For example, take a look at the following code:
for (File f : files) {
String s = f.getName();
}
In the above code, the String s is being created on each iteration of the for loop. Thi...
Using the “animated circle” in an ImageView while loading stuff
...nation of classes to perform a task like this. It is incredibly useful across many types of applications and will give you a great insight into how Threads and Handlers can work together.
I'll get you started on how this works:
The loading event starts the dialog:
//maybe in onCreate
showDialog(...
Setting a system environment variable from a Windows batch file?
Is it possible to set a environment variable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.
...
How to get the current directory in a C program?
...ers just char *buf=getcwd(NULL,0); and when you are done free(buf) (as of POSIX.1-2001)
– bliako
Jan 24 '19 at 20:06
|
show 4 more comments
...
When is the finalize() method called in Java?
...e readers) it is never called on the main class, as, when the main class closes, no garbage needs to be collected. The OS cleans up everything the app used anyway.
– Mark Jeronimus
May 7 '12 at 7:05
...
onNewIntent() lifecycle and registered listeners
... activity to not use these listeners inside of onNewIntent(). For example most of the time my onNewIntent() methods simply looks like this:
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// getIntent() should always return the most recent
setIntent(inte...
How to permanently export a variable in Linux?
...licitly, use source e.g. - > source ~/.bashrc.
– kostja
Nov 28 '13 at 8:20
...
Why does make think the target is up to date?
...red Oct 14 '10 at 9:30
Didier TrossetDidier Trosset
31.9k1313 gold badges7070 silver badges107107 bronze badges
...
Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu
I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package.
...