大约有 40,000 项符合查询结果（耗时：0.0532秒） [XML]
Why does ++[[]][+[]]+[+[]] return the string “10”?
...at +[] === 0. + converts something into a number, and in this case it will come down to +"" or 0 (see specification details below).
Therefore, we can simplify it (++ has precendence over +):
++[[]][0]
+
[0]
Because [[]][0] means: get the first element from [[]], it is true that:
[[]][0] returns...
How to replace (or strip) an extension from a filename in Python?
...ijalainen: You shouldn't use os.path.join because that is for joining path components with the OS-specific path separator. For example, print os.path.join(os.path.splitext('/home/user/somefile.txt')[0], '.jpg') will return /home/user/somefile/.jpg, which is not desirable.
– sco...
Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
...
Paste text on Android Emulator
... @mhsmith How do you do that (reset clipboard sharing) from the command line with Android command line tools or via editing the ~/.android/avd/ .ini files?
– Chloe
Jan 15 '18 at 18:53
...
Case insensitive 'Contains(string)'
...tring paragraph contains the string word (thanks @QuarterMeister)
culture.CompareInfo.IndexOf(paragraph, word, CompareOptions.IgnoreCase) >= 0
Where culture is the instance of CultureInfo describing the language that the text is written in.
This solution is transparent about the definition of...
Getting random numbers in Java [duplicate]
...
@DanielF 's confusion is understandable because the comment in the answer is misleading. The 50 in rand.nextInt(50) will only give the maximum in this situation. rand.nextInt(50) will return an integer between 0 (inclusively) and 50 (exclusively) (in other words [0-49]). We a...
What is the difference between the states selected, checked and activated in Android?
...e
Stackoverflow: Custom Checkable View which responds to Selector
http://www.charlesharley.com/2012/programming/custom-drawable-states-in-android/
http://developer.android.com/guide/topics/resources/drawable-resource.html#StateList
http://blog.marvinlabs.com/2010/10/29/custom-listview-ability-ch...
std::function vs template
...ecreases to approximately 1860ms.
I wrote about that a while ago:
http://www.drdobbs.com/cpp/efficient-use-of-lambda-expressions-and/232500059
As I said in the article, the arguments don't quite apply for VS2010 due to its poor support to C++11. At the time of the writing, only a beta version of ...
Is there a standard naming convention for XML elements? [closed]
...t; Uppercase first letter in each word except the first
reference
http://www.w3schools.com/xml/xml_elements.asp
share
|
improve this answer
|
follow
|
...
How do I replace multiple spaces with a single space in C#?
How can I replace multiple spaces in a string with only one space in C#?
24 Answers
24...