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Best way to store JSON in an HTML attribute?
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The HTML does not have to validate.
Why not? Validation is really easy QA that catches lots of mistakes. Use an HTML 5 data-* attribute.
The JSON object could be any size (i.e. huge).
I've not seen any documentation on browser limits to attribute sizes.
If you do run into them, ...
Checking from shell script if a directory contains files
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The solutions so far use ls. Here's an all bash solution:
#!/bin/bash
shopt -s nullglob dotglob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...i^M^[
Explanation:
[Ctrl+V] means "quote the following character" -- it allows you to embed the newline and escape characters in the command.
So you're mapping the 'g' key to the sequence: i [Enter] [Escape]
This is vim for insert a newline before the cursor, then exit insert mode.
Tweaks:
Y...
Is there a built-in method to compare collections?
... answered Jan 11 '11 at 8:43
Allon GuralnekAllon Guralnek
14.8k55 gold badges5151 silver badges9090 bronze badges
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How can I check if a directory exists in a Bash shell script?
... wrap variables in double quotes...in a bash script." For bash, not technically necessary when using [[...]]; see tldp.org/LDP/abs/html/testconstructs.html#DBLBRACKETS (note: no word splitting): "No filename expansion or word splitting takes place between [[ and ]], but there is parameter expansion ...
How to check if a Constraint exists in Sql server?
...NSTRAINT_NAME ='FK_ChannelPlayerSkins_Channels'
-- EDIT --
When I originally answered this question, I was thinking "Foreign Key" because the original question asked about finding "FK_ChannelPlayerSkins_Channels". Since then many people have commented on finding other "constraints" here are some...
Why does this CSS margin-top style not work?
I try to add margin values on a div inside another div. All works fine except the top value, it seems to be ignored. But why?
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Reason to Pass a Pointer by Reference in C++?
...r by reference. For instance, if you have a class holding data in a dynamically allocated array, but you want to provide (nonconstant) access to this data to the client. At the same time, you do not want the client to be able to manipulate the memory through the pointer.
– user...
How to reset or change the MySQL root password?
...assword-less server process that you started in step 2. maybe use sudo killall -9 mysqld? and then sudo service mysql start to restart the normal daemon...
– Lambart
Dec 8 '13 at 1:39
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White space showing up on right side of page when background image should extend full length of page
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this really came in handy
– Josan Iracheta
May 27 '14 at 23:48
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