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Convert numpy array to tuple
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>>> arr = numpy.array(((2,2),(2,-2)))
>>> tuple(map(tuple, arr))
((2, 2), (2, -2))
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How to create a loop in bash that is waiting for a webserver to respond?
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Combining the question with chepner's answer, this worked for me:
until $(curl --output /dev/null --silent --head --fail http://myhost:myport); do
printf '.'
sleep 5
done
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What's the difference between the build and create methods in FactoryGirl?
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The create() method persists the instance of the model while the build() method keeps it only on memory.
Personally, I use the create() method only when persistence is really necessary since writing to DB makes testing time consuming.
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How long is the SHA256 hash?
I'm going to run SHA256 on a password + salt, but I don't know how long to make my VARCHAR when setting up the MySQL database. What is a good length?
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How to use the “required” attribute with a “radio” input field
I am just wondering how to use the new HTML5 input attribute "required" in the right way on radio buttons. Does every radio button field need the attribute like below or is it sufficient if only one field gets it?
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initializing a boolean array in java
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I just need to initialize all the array elements to Boolean false.
Either use boolean[] instead so that all values defaults to false:
boolean[] array = new boolean[size];
Or use Arrays#fill() to fill the entire array with Boolean.FALSE:
Boolean[] array = new Boo...
NSLog/printf specifier for NSInteger?
A NSInteger is 32 bits on 32-bit platforms, and 64 bits on 64-bit platforms. Is there a NSLog specifier that always matches the size of NSInteger ?
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UITableView with fixed section headers
Greets,
I'm reading that the default behaviour of UITableView is to pin section header rows to the top of the table as you scroll through the sections until the next section pushes the previos section row out of view.
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How do I remove all HTML tags from a string without knowing which tags are in it?
Is there any easy way to remove all HTML tags or ANYTHING HTML related from a string?
3 Answers
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Merge git repo into branch of another repo
Given repo Foo and repo Bar. I want to merge Bar with Foo, but only into a separate branch, called baz .
3 Answers
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