大约有 40,000 项符合查询结果(耗时:0.0514秒) [XML]
Get Output From the logging Module in IPython Notebook
...logger = logging.getLogger()
logger.setLevel(logging.DEBUG)
logging.debug("test")
According to logging.basicConfig:
Does basic configuration for the logging system by creating a
StreamHandler with a default Formatter and adding it to the root
logger. The functions debug(), info(), warning(...
Practical uses for AtomicInteger
...nd more readable than performing the same using synchronization.
A simple test:
public synchronized int incrementNotAtomic() {
return notAtomic++;
}
public void performTestNotAtomic() {
final long start = System.currentTimeMillis();
for (int i = 0 ; i < NUM ; i++) {
increme...
Numpy first occurrence of value greater than existing value
...t suspicious. argmax does not seem to stop at the first True. (This can be tested by creating boolean arrays with a single True at different positions.) The speed is probably explained by the fact that argmax does not need to create an output list.
– DrV
Oct 8 ...
How do I rename the android package name? [duplicate]
...to rename the last directory.
For example , in the project com.example.test it will offer to rename test only. The same applies if I navigate to package name in .java or Manifest file and press Shift+F6.
...
Reading a simple text file
...cess it.
AssetManager am = context.getAssets();
InputStream is = am.open("test.txt");
Or you can also put the file in the /res/raw directory, where the file will be indexed and is accessible by an id in the R file:
InputStream is = context.getResources().openRawResource(R.raw.test);
...
String concatenation in MySQL
...e CONCAT function:
SELECT CONCAT(first_name, " ", last_name) AS Name FROM test.student
As @eggyal pointed out in comments, you can enable string concatenation with the || operator in MySQL by setting the PIPES_AS_CONCAT SQL mode.
...
Easiest way to detect Internet connection on iOS?
...hable");
break;
}
}];
You can also use the following to test reachability synchronously (once monitoring has started):
-(BOOL) isInternetReachable
{
return [AFNetworkReachabilityManager sharedManager].reachable;
}
...
Find the min/max element of an Array in JavaScript
...y work on strings. Your future colleague tries to get the alphabetically-latest string in an array with the now-well-documented native .max() method, but mysteriously gets NaN. Hours later, she finds this code, runs a git blame, and curses your name.
– Mark Amery
...
When does ADT set BuildConfig.DEBUG to false?
...false, which might give you the false impression that it is not working.
I tested this with logging statements like
if (com.mypackage.BuildConfig.DEBUG)
Log.d(TAG, location.getProvider() + " location changed");
When testing, my Log statements no longer produce any output.
...
What is uintptr_t data type
...add one very good use for uintptr_t (or even intptr_t) and that is writing testable embedded code.
I write mostly embedded code targeted at various arm and currently tensilica processors. These have various native bus width and the tensilica is actually a Harvard architecture with separate code and...
