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String formatting named parameters?
...arguments follow Python rules where unnamed args must come first, followed by named arguments, followed by *args (a sequence like list or tuple) and then *kwargs (a dict keyed with strings if you know what's good for you).
The interpolation points are determined first by substituting the named value...
'size_t' vs 'container::size_type'
...defined essentially as: std::make_unsigned<X::difference_type>::type by default. Which in practice, will probably be the same or compatible with size_t.
– Evan Teran
Feb 13 '15 at 15:18
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Private and Protected Members : C++
...d in classes that inherit from that class.
Edit: Both are also accessible by friends of their class, and in the case of protected members, by friends of their derived classes.
Edit 2: Use whatever makes sense in the context of your problem. You should try to make members private whenever you can t...
How to get all of the immediate subdirectories in Python
...f.is_dir()]
Bonus: With scandir you can also simply only get folder names by using f.name instead of f.path.
This (as well as all other functions below) will not use natural sorting. This means results will be sorted like this: 1, 10, 2. To get natural sorting (1, 2, 10), please have a look at htt...
How can I round a number in JavaScript? .toFixed() returns a string?
...t exists and is rounded to the nearest existing number. btw, proof numbers by toPrecision(18) to print it with all relevant digits.
– Wiimm
May 10 '19 at 15:02
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Sockets: Discover port availability using Java
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This doesn't catch everything however. I've been bitten by a running nginx on TCP 8000 whilst the above routine reports 8000 as available. No idea why -- I suspect nginx does some sneaky stuff (this is on OS X). Workaround for me is to do the above and also to open a new Socket("l...
Export/import jobs in Jenkins
...jenkins-ci.org/display/JENKINS/Jenkins+CLI
create-job: Creates a new job by reading stdin as a configuration XML file.
get-job: Dumps the job definition XML to stdout
So you can do
java -jar jenkins-cli.jar -s http://server get-job myjob > myjob.xml
java -jar jenkins-cli.jar -s http://serve...
What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
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This is a great explanation by Dino Esposito:
The difference between the two methods may look small and harmless,
but it may bite at you if you don’t know how to handle it. The key
difference between the two methods is:
Partial returns...
How can I get a java.io.InputStream from a java.lang.String?
...on't care about the data being re-materialized in memory, please use:
new ByteArrayInputStream(str.getBytes("UTF-8"))
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Get property value from string using reflection
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What about using the CallByName of the Microsoft.VisualBasic namespace (Microsoft.VisualBasic.dll)? It uses reflection to get properties, fields, and methods of normal objects, COM objects, and even dynamic objects.
using Microsoft.VisualBasic;
usin...