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HTML Script tag: type or language (or omit both)?
... been deprecated for a long time, and should not be used.
When W3C was working on HTML5, they discovered all browsers have "text/javascript" as the default script type, so they standardized it to be the default value. Hence, you don't need type either.
For pages in XHTML 1.0 or HTML 4.01 omitting ...
How to urlencode a querystring in Python?
... into urlencode() as either a mapping (dict), or a sequence of 2-tuples, like:
>>> import urllib
>>> f = { 'eventName' : 'myEvent', 'eventDescription' : 'cool event'}
>>> urllib.urlencode(f)
'eventName=myEvent&eventDescription=cool+event'
Python 3 or above
Use:
&g...
Break when a value changes using the Visual Studio debugger
...s there a way to place a watch on variable and only have Visual Studio break when that value changes?
13 Answers
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Android: combining text & image on a Button or ImageButton
I'm trying to have an image (as the background) on a button and add dynamically, depending on what's happening during run-time, some text above/over the image.
...
How to use a decimal range() step value?
...of how many points you want. Otherwise, floating-point rounding error is likely to give you a wrong result.
You can use the linspace function from the NumPy library (which isn't part of the standard library but is relatively easy to obtain). linspace takes a number of points to return, and also let...
.gitignore is ignored by Git
...
Even if you haven't tracked the files so far, Git seems to be able to "know" about them even after you add them to .gitignore.
WARNING: First commit your current changes, or you will lose them.
Then run the following commands from the top folder o...
Best practice for Python assert
...gt;> m = MyClass()
>>> m.x = 10
>>> m.x -= 20
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "my.py", line 7, in __set__
raise LessThanZeroException('x is less than zero')
LessThanZeroException: x is less than zero
...
How can I check in a Bash script if my local Git repository has changes?
There are some scripts that do not work correctly if they check for changes.
13 Answers
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How to generate a random number between a and b in Ruby?
...
UPDATE: Ruby 1.9.3 Kernel#rand also accepts ranges
rand(a..b)
http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html
Converting to array may be too expensive, and it's unnecessary.
(a..b).to_a.sample
Or
[*a..b].samp...
@UniqueConstraint annotation in Java
...name;
The @UniqueConstraint annotation is for annotating multiple unique keys at the table level, which is why you get an error when applying it to a field.
References (JPA TopLink):
@UniqueConstraint
@Column
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