大约有 43,000 项符合查询结果(耗时:0.0595秒) [XML]
What is the difference between the different methods of putting JavaScript code in an ?
...s fallback mechanism. Something like this will adhere to "best practices" and accomplish your goal:
<a href="javascript_required.html" onclick="doSomething(); return false;">go</a>
share
|
...
Capturing multiple line output into a Bash variable
...y as it is represented in the variable — newlines, tabs, multiple blanks and all — whereas (2) the unquoted version (echo $RESULT) replaces each sequence of one or more blanks, tabs and newlines with a single space. Thus (1) preserves the shape of the input variable, whereas (2) creates a potent...
What is the difference between __init__ and __call__?
I want to know the difference between __init__ and __call__ methods.
13 Answers
...
Is there a performance difference between a for loop and a for-each loop?
... The for-each loop, introduced in
release 1.5, gets rid of the clutter
and the opportunity for error by
hiding the iterator or index variable
completely. The resulting idiom
applies equally to collections and
arrays:
// The preferred idiom for iterating over collections and arrays
for (...
Find nearest value in numpy array
... idx = (np.abs(array - value)).argmin()
return array[idx]
array = np.random.random(10)
print(array)
# [ 0.21069679 0.61290182 0.63425412 0.84635244 0.91599191 0.00213826
# 0.17104965 0.56874386 0.57319379 0.28719469]
value = 0.5
print(find_nearest(array, value))
# 0.568743859261
...
ipad safari: disable scrolling, and bounce effect?
I'm working on a browser based app, currently I'm developing and styling for the ipad safari browser.
18 Answers
...
Objective-C : BOOL vs bool
...You can use the (C99) bool type, but all of Apple's Objective-C frameworks and most Objective-C/Cocoa code uses BOOL, so you'll save yourself headache if the typedef ever changes by just using BOOL.
share
|
...
Prevent dialog dismissal on screen rotation in Android
...
Create a new class which extends DialogFragment. Override onCreateDialog and return your old Dialog or an AlertDialog.
Then you can show it with DialogFragment.show(fragmentManager, tag).
Here's an example with a Listener:
public class MyDialogFragment extends DialogFragment {
public inter...
When and why to 'return false' in JavaScript?
When and why to return false in JavaScript?
12 Answers
12
...
Difference between thread's context class loader and normal classloader
What is the difference between a thread's context class loader and a normal class loader?
4 Answers
...
