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Python Infinity - Any caveats?
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A simple float addition, multiplication, etc will happily produce inf though: f=1.3407807929942597e+154; f*f => inf. It seems rather an exception of ** to raise an OverflowError.
– eregon
Jan 6 '15 at 21:32
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How can I return NULL from a generic method in C#?
... is a reference type (or a nullable value type), 0 for int, '\0' for char, etc. (Default values table (C# Reference))
Restrict T to be a reference type with the where T : class constraint and then return null as normal
shar...
Check if a div exists with jquery [duplicate]
...queryselectorAll()" caniuse.com/querySelector allows you to use classnames etc, but it won't for older browsers. jQuery abstracts that so you don't need to worry about it (and in fact uses queryselectorAll in the background if available).
– Alex KeySmith
Nov 8 ...
Shell equality operators (=, ==, -eq)
...not the sole reason: beside the fact that i don't like bash-isms, ksh-isms etc. for simple tasks (it's just causes troubles and confuses beginners), i don't get it why mixing single braces [ ... ] and double equal sign ==. :-/
– DJCrashdummy
Jan 29 at 16:59
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xUnit.net: Global setup + teardown?
...is you need to decorate your test classes with the Collection attribute in order for the "global" setup to occur. That means, if you have anything you want setup before -any- test is run, you need to decorate -all- test classes with this attribute. This is too brittle in my opinion, as forgetting t...
Running multiple async tasks and waiting for them all to complete
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await Task.WhenAll(tasks);
If you want to run the tasks in a praticular order you can get inspiration form this anwser.
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How do you do a deep copy of an object in .NET? [duplicate]
...deep copy. Its almost the same speed as copying a value struct, and its an order of magnitude faster than (a) reflection or (b) serialization (as described in other answers on this page).
Note that if you use Nested MemberwiseClone for a deep copy, you have to manually implement a ShallowCopy for e...
On EC2: sudo node command not found, but node without sudo is ok
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I added /usr/local/bin to secure_path in /etc/sudoers
$ sudo visudo
Then change this line:
Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin
To:
Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
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How do I decode a string with escaped unicode?
...ect UTF-8 characters. I found that I had to update the following regex in order to catch characters from all languages (i.e. Thai): var r = /\\u([\d\w]{1,})/gi;
– Nathan Hanna
Mar 4 '14 at 21:43
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Git Commit Messages: 50/72 Formatting
...t and instead line breaks should be used to separate thoughts, paragraphs, etc. as part of the data, not the presentation. In this case, the "data" is the message you are trying to get across and the "presentation" is how the user sees that.
I use a single summary line at the top and I try to keep...