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Jade: Links inside a paragraph
...is is the start of the para] #[a(href="http://example.com") a link] #[span and this is the rest of the paragraph]
You can also do nested inline elements:
p: This is a #[a(href="#") link with a nested #[span element]]
sha...
Split string to equal length substrings in Java
...t's four characters along from the end of the last match.
Both lookbehind and \G are advanced regex features, not supported by all flavors. Furthermore, \G is not implemented consistently across the flavors that do support it. This trick will work (for example) in Java, Perl, .NET and JGSoft, but...
Access parent DataContext from DataTemplate
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I had problems with the relative source in Silverlight. After searching and reading I did not find a suitable solution without using some additional Binding library. But, here is another approach for gaining access to the parent DataContext by directly referencing an element of which you know the...
Echo equivalent in PowerShell for script testing
I would like to output variables and values out in a PowerShell script by setting up flags and seeing the data matriculate throughout the script.
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cv2.imshow command doesn't work properly in opencv-python
...e code created a window of the correct name, but its content is just blank and doesn't show the image:
15 Answers
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Python: Continuing to next iteration in outer loop
...tinue loop i
In a general case, when you have multiple levels of looping and break does not work for you (because you want to continue one of the upper loops, not the one right above the current one), you can do one of the following
Refactor the loops you want to escape from into a function
def ...
How do I check whether a file exists without exceptions?
...open_it(), it's safer to use a try around the attempt to open it. Checking and then opening risks the file being deleted or moved or something between when you check and when you try to open it.
If you're not planning to open the file immediately, you can use os.path.isfile
Return True if path ...
Checking from shell script if a directory contains files
...{#files} -gt 0 ]; or maybe you just forgot the () around the sub-shell command? files=($(shopt -s nullglob;shopt -s dotglob;echo /some/dir/*))
– stoutyhk
Jul 4 '13 at 17:48
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What is the equivalent of the C++ Pair in Java?
...bout the relationship between the two values (how do you know what "first" and "second" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its...
Generic method multiple (OR) type constraint
...t types. That means you could just as well leave out the generic parameter and provide overloads.
– Botz3000
May 31 '12 at 13:00
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