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How to make a DIV visible and invisible with JavaScript
...t then
[DIV].style.visibility='visible'
OR
[DIV].style.visibility='hidden'
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Are nested HTML comments possible?
...he above tag pollution, but it's at least 10.
I got less lazy: This so-called "comment" actually consists of 10 comments,
three words outside any comment (i.e., just bad SGML), and the
beginning of a comment that is not terminated. It's a real mess:
<!--1----2----3----4----5--
HEADER BEG...
Invoke-WebRequest, POST with parameters
...without ps variables when using JSON as body {lastName:"doe"} for POST api call:
Invoke-WebRequest -Headers @{"Authorization" = "Bearer N-1234ulmMGhsDsCAEAzmo1tChSsq323sIkk4Zq9"} `
-Method POST `
-Body (@{"lastName"="doe";}|ConvertTo-Json) `
-Ur...
Check if a string is null or empty in XSLT
...me == null || categoryName.equals(""))
For more details e.g., distinctly identifying null vs. empty, see johnvey's answer below and/or the XSLT 'fiddle' I've adapted from that answer, which includes the option in Michael Kay's comment as well as the sixth possible interpretation.
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Auto increment in phpmyadmin
...to limit such number.
It is perfectly safe, and common practice to set an id number as a primiary key, auto incrementing int. There are alternatives such as using PHP to generate membership numbers for you in a specific format and then checking the number does not exist prior to inserting, however ...
How to affect other elements when one element is hovered
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If the cube is directly inside the container:
#container:hover > #cube { background-color: yellow; }
If cube is next to (after containers closing tag) the container:
#container:hover + #cube { background-color: yellow; }
If the cube is somewhe...
form serialize javascript (no framework)
...you interpolate or add it to a string, in which case the explicit toString call is not necessary.
– glebm
Mar 19 '18 at 16:35
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Correct approach to global logging in Golang
...al logger can be configured through log.SetFlags.
Afterwards one can just call the top level functions of the log package like log.Printf and log.Fatalf, which use that global instance.
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Generate GUID in MySQL for existing Data?
I've just imported a bunch of data to a MySQL table and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's.
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Remove columns from DataTable in C#
...t which I get a DataTable from that I am being passed back from a function call. It has 15-20 columns, however I only want 10 columns of the data.
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