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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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How to list branches that contain a given commit?
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tests and master - master is the current branch, therefore the asterisk.
– blueyed
Mar 25 '11 at 13:31
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How would I skip optional arguments in a function call?
...ify everything up until that last parameter. Generally if you want to mix-and-match, you give them default values of '' or null, and don't use them inside the function if they are that default value.
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How do I get the user agent with Flask?
...ary seems to fit the bill of collecting a lot of information out of flask, and has example calls to getting this information out of the application context.
https://pythonhosted.org/Flask-Track-Usage/
Usage gets stored in this format:
[
{
'url': str,
'user_agent': {
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How to update a plot in matplotlib?
...ure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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How to check for null in Twig?
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And to check if something is not null, simply do {% if var is not null %}
– J.-B. C.
Sep 6 '12 at 19:31
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Alter column, add default constraint
I have a table and one of the columns is "Date" of type datetime. We decided to add a default constraint to that column
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What is the purpose of “&&” in a shell command?
As far as I know, using & after the command is for running it in the background.
9 Answers
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Check if string begins with something? [duplicate]
I know that I can do like ^= to see if an id starts with something, and I tried using that for this, but it didn't work... Basically, I'm retrieving the url and I want to set a class for an element for pathnames that start in a certain way...
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How to make IPython notebook matplotlib plot inline
I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0.
10 Answers
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