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How do I disable a href link in JavaScript?
...hen you dont want user to redirect on click
<a href="javascript: void(0)">I am a useless link</a>
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Check if a given key already exists in a dictionary
... intended way to test for the existence of a key in a dict.
d = {"key1": 10, "key2": 23}
if "key1" in d:
print("this will execute")
if "nonexistent key" in d:
print("this will not")
If you wanted a default, you can always use dict.get():
d = dict()
for i in range(100):
key = i % 1...
What is WEB-INF used for in a Java EE web application?
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The Servlet 2.4 specification says this about WEB-INF (page 70):
A special directory exists within the application hierarchy named
WEB-INF. This directory contains all things related to the
application that aren’t in the document root of the application. The
WEB-INF node is...
How to create a GUID/UUID in Python
...n 2 and 3):
>>> import uuid
>>> uuid.uuid4()
UUID('bd65600d-8669-4903-8a14-af88203add38')
>>> str(uuid.uuid4())
'f50ec0b7-f960-400d-91f0-c42a6d44e3d0'
>>> uuid.uuid4().hex
'9fe2c4e93f654fdbb24c02b15259716c'
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Android custom dropdown/popup menu
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+50
Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a la...
Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
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For Android Studio 0.4.0 and later, click "File > New > Image Asset".
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How is __eq__ handled in Python and in what order?
...lue = 4
a == b
it will print:
A __eq__ called: <__main__.A object at 0x013BA070> == <__main__.B object at 0x013BA090> ?
B __eq__ called: <__main__.B object at 0x013BA090> == 3 ?
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How can I discard remote changes and mark a file as “resolved”?
...rián Černý
11.9k44 gold badges5656 silver badges7070 bronze badges
answered Jan 15 '10 at 18:29
Brian CampbellBrian Campbell
27...
Flexbox and Internet Explorer 11 (display:flex in ?)
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According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0 auto rather than 0 1 auto, as per the draft spec, as of September 2013"
So in plain words, if somewhere in your CSS you have something like this: flex:1 , that is not translated the...
Finding the index of an item in a list
...n give index a hint. For instance, in this snippet, l.index(999_999, 999_990, 1_000_000) is roughly five orders of magnitude faster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>> timeit.ti...