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Should I use px or rem value units in my CSS? [closed]
...size of a pixel on a 96 dpi display. On a display that has a dpi substantially different than 96dpi (like Retina displays), the user agent rescales the px unit so that its size matches that of a reference pixel. In other words, this rescaling is exactly why 1 CSS pixel equals 2 physical Retina dis...
How can I copy data from one column to another in the same table?
Is it possible to copy data from column A to column B for all records in a table in SQL?
3 Answers
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Postgres DB Size Command
What is the command to find the size of all the databases?
10 Answers
10
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Why can I add named properties to an array as if it were an object?
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Virtually everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, u...
Visual Studio 2013 doesn't discover unit tests
...io. To run the tests I try to go to the menu and choose Test -> Run -> Run all tests or by opening the test explorer window. By those to methods visual studio doesn’t discover any tests in the solution.
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Getting all selected checkboxes in an array
... want to use jQuery
var array = []
var checkboxes = document.querySelectorAll('input[type=checkbox]:checked')
for (var i = 0; i < checkboxes.length; i++) {
array.push(checkboxes[i].value)
}
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Using TortoiseSVN how do I merge changes from the trunk to a branch and vice versa?
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The behavior depends on which version your repository has. Subversion 1.5 allows 4 types of merge:
merge sourceURL1[@N] sourceURL2[@M] [WCPATH]
merge sourceWCPATH1@N sourceWCPATH2@M [WCPATH]
merge [-c M[,N...] | -r N:M ...] SOURCE[@REV] [WCPATH]
merge --reintegrate SOURCE[@REV] [WCPATH]
Subvers...
Remove blank lines with grep
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Try the following:
grep -v -e '^$' foo.txt
The -e option allows regex patterns for matching.
The single quotes around ^$ makes it work for Cshell. Other shells will be happy with either single or double quotes.
UPDATE: This works for me for a file with blank lines or "all white ...
Is there an ignore command for git like there is for svn?
... .git/info/exclude file will not be committed, and will thus only apply locally in this one working copy.
You can also set up a global file with patterns to ignore with git config --global core.excludesfile. This will locally apply to all git working copies on the same user's account.
Run git help...
WSDL vs REST Pros and Cons
...lso lets you layer things like WS-Security on your documents. SOAP is generally transport-agnostic, meaning you don't necessarily need to use HTTP.
REST is very lightweight, and relies upon the HTTP standard to do it's work. It is great to get a useful web service up and running quickly. If you d...