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Convert.ChangeType() fails on Nullable Types
...e?
– coloradocolby
May 13 '19 at 20:01
@threadster You can't use default operator ona variable of type 'Type'. See st...
Running Bash commands in Python
...h standard output and standard error outside of Python's reach. The only information Python receives back is the exit status of the command (zero means success, though the meaning of non-zero values is also somewhat system-dependent).
PEP-324 (which was already mentioned above) contains a more deta...
What is the purpose of the reader monad?
...is? Well, the reader monad is good for passing (implicit) configuration information through a computation.
Any time you have a "constant" in a computation that you need at various points, but really you would like to be able to perform the same computation with different values, then you should us...
Sleep until a specific time/date
...bash, do the following:
current_epoch=$(date +%s)
target_epoch=$(date -d '01/01/2010 12:00' +%s)
sleep_seconds=$(( $target_epoch - $current_epoch ))
sleep $sleep_seconds
To add precision down to nanoseconds (effectively more around milliseconds) use e.g. this syntax:
current_epoch=$(date +%s.%...
How can I store my users' passwords safely?
...d hashes: add pepper
If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically) salted password hashes.
There is a simple, drop in class that securely implements this pattern, I recommend:
Netsilik/PepperedPasswords
(github).
It comes with a MIT...
How do I check if a string is valid JSON in Python?
...|
edited Aug 18 '17 at 17:01
Neil
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answered Apr...
RSS Feeds in ASP.NET MVC
... };
There's a full sample on my blog at http://www.developerzen.com/2009/01/11/aspnet-mvc-rss-feed-action-result/
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How to detect when cancel is clicked on file input?
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answered Apr 11 '18 at 23:01
Douglas ParkerDouglas Parker
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How to change the session timeout in PHP?
...ample at 10:00 I called it so its limit would be 11:00, after 1 miutes, 10:01, will the limit be 11:01?
– oneofakind
Mar 27 '14 at 14:05
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Does setting Java objects to null do anything anymore?
...an the norm.
– ACV
Nov 20 '17 at 18:01
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