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How to concatenate string variables in Bash
...he habit of putting $foo inside the double quotes, for the times when it really does matter.
– Cascabel
Nov 15 '10 at 7:56
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Dynamically change color to lighter or darker by percentage CSS (Javascript)
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how to do it when backround color is dynamically set in inlines? but I just want always darken it when hovered?
– andilabs
Jan 30 '17 at 13:24
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...er languages.
So, if I "just change the database", thousands of lines of PHP code will break.
Java programmers need to accept the MySQL zero-date and they need to put a zero date back into the database, when other languages rely on this "feature".
A programmer connecting to MySQL needs to handle...
Postgres dump of only parts of tables for a dev snapshot
...and testing, we need to create snapshots of this database that are functionally equivalent, but which are only 10 or 20 gigs in size.
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Setting focus on an HTML input box on page load
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Will that actually set the input focus? Which browser did you try it on?
– Peter Mortensen
Jul 1 '19 at 1:44
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How to pass parameters in $ajax POST?
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what is field1: and what is "hello"? Variables in JS or PHP?
– MTBthePRO
Jul 22 '19 at 17:50
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What is unit testing and how do you do it? [duplicate]
...r program into pieces, and subjecting each piece to a series of tests.
Usually tests are run as separate programs, but the method of testing varies, depending on the language, and type of software (GUI, command-line, library).
Most languages have unit testing frameworks, you should look into one ...
Which is a better way to check if an array has more than one element?
...nt($my_array) > 1) {
// do
}
this page explains it pretty well http://phparraylength.com/
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What's the difference between a proxy server and a reverse proxy server? [closed]
...ccurate, but perhaps too terse.
I will try to add some examples.
First of all, the word "proxy" describes someone or something acting on behalf of someone else.
In the computer realm, we are talking about one server acting on the behalf of another computer.
For the purposes of accessibility, I wi...
Is it secure to store passwords as environment variables (rather than as plain text) in config files
...e that is meant to look like a configuration file. An attacker will eventually figure out what's going on, or stumble across it.
Security provided by encryption that is trivial to break, (think caesar cipher!).
Security provided by encryption that can be broken with some effort.
Security provided b...