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Blocks and yields in Ruby
...ode block in order to perform arbitrary segments of code.
When a method expects a block, it invokes it by calling the yield function.
This is very handy, for instance, to iterate over a list or to provide a custom algorithm.
Take the following example:
I'm going to define a Person class initi...
jQuery If DIV Doesn't Have Class “x”
...
Use the "not" selector.
For example, instead of:
$(".thumbs").hover()
try:
$(".thumbs:not(.selected)").hover()
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Printing leading 0's in C?
...ou are padding with and the 5 shows the length of the integer number. For example if you use "%02d" (Useful for dates) this would only pad zeros for numbers in the ones column ie.(06 instead of 6). Example 2, "%03d" would pad 2 zeros for one number in the ones column and pad 1 zero for a number in ...
git replacing LF with CRLF
Running git on a Windows XP machine, using bash. I exported my project from SVN, and then cloned a bare repository.
20 Answ...
How do I import a Swift file from another Swift file?
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I had the same problem, also in my XCTestCase files, but not in the regular project files.
To get rid of the:
Use of unresolved identifier 'PrimeNumberModel'
I needed to import the base module in the test file. In my case, my target is called 'myproje...
PHP code is not being executed, instead code shows on the page
I'm trying to execute some PHP code on a project (using Dreamweaver) but the code isn't being run.
27 Answers
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ReSharper Abbreviations List: Where can I modify it?
I am using ReSharper 4.5, and what often happens when I am converting explicit properties into auto-properties, is that I will accidentally chose "Add XX to abbreviations list".
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Convert a 1D array to a 2D array in numpy
...ith having to create a new array. You can use the np.resize function and mixing it with np.reshape, such as
>>> a =np.arange(9)
>>> np.resize(a, 10).reshape(5,2)
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Selecting with complex criteria from pandas.DataFrame
For example I have simple DF:
4 Answers
4
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How to access accelerometer/gyroscope data from Javascript?
... the only argument to the function.
onmozorientation is supported on Firefox 3.6 and newer. Again, this is known to work on most Apple laptops, but might work on Windows or Linux machines with accelerometer as well. In the event handler function, look for x, y, z fields on the event data supplied as...