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How do I empty an array in JavaScript?
...n't have references to the original array A anywhere else because this actually creates a brand new (empty) array. You should be careful with this method because if you have referenced this array from another variable or property, the original array will remain unchanged. Only use this if you only r...
How to view file history in Git?
.....b410 path/to/file/a path/to/file/b
If you want to get an overview over all the differences that happened from commit to commit, use git log or git whatchanged with the patch option:
# include patch displays in the commit history
git log -p
git whatchanged -p
# only get history of those commits ...
Disable browser 'Save Password' functionality
... joys of working for a government healthcare agency is having to deal with all of the paranoia around dealing with PHI (Protected Health Information). Don't get me wrong, I'm all for doing everything possible to protect people's personal information (health, financial, surfing habits, etc.), but som...
PostgreSQL: Which Datatype should be used for Currency?
...ver make a scale equal to 2 (in postgresql terms, precision is a number of all digits, e.g. in 121.121 it's equal to 6). There are currencies, such as Bahrain Dinar, where 1000 sub-units equal one unit, and there are currencies which don't have sub-units at all.
– Nikolay Arhip...
Environment variables in Mac OS X
...:want
launchctl setenv PATH $PATH
Environment variables are not automatically updated in running applications. You will need to relaunch applications to get the updated environment variables (although you can just set variables in your shell, e.g. PATH=whatever:you:want; there's no need to relaunc...
Refreshing OAuth token using Retrofit without modifying all calls
...reat, we use the RequestInterceptor to include the access token with each call.
However there will be times, when the access token will expire, and the token needs to be refreshed. When the token expires, the next call will return with an Unauthorized HTTP code, so that's easy to monitor.
We could m...
When to dispose CancellationTokenSource?
...
Speaking about whether it's really necessary to call Dispose on CancellationTokenSource... I had a memory leak in my project and it turned out that CancellationTokenSource was the problem.
My project has a service, that is constantly reading database and...
What is the difference between bottom-up and top-down?
...-up approach (to dynamic programming) consists in first looking at the "smaller" subproblems, and then solve the larger subproblems using the solution to the smaller problems.
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Batch file to copy files from one folder to another folder
I have a storage folder on a network in which all users will store their active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex:
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Which HTML elements can receive focus?
I'm looking for a definitive list of HTML elements which are allowed to take focus, i.e. which elements will be put into focus when focus() is called on them?
...
