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Check if a program exists from a Makefile
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My solution involves a little helper script1 that places a flag file if all required commands exist. This comes with the advantage that the check for the required commands is only done once and not on every make invocation.
check_cmds.sh
#!/bin/bash
NEEDED_CO...
Git copy file preserving history [duplicate]
...ied on a few GIT versions, including 2.24.0, on Windows 7. Tried using the script from @LukasEder too. Same result.
– volvpavl
Nov 6 '19 at 13:40
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String concatenation vs. string substitution in Python
... (0.33 to 0.35)
I ran these because I do use string concatenation in my scripts, and I was wondering what the cost was. I ran them in different orders to make sure nothing was interfering, or getting better performance being first or last. On a side note, I threw in some longer string generators ...
JQuery find first parent element with specific class prefix
..., this can really screw you if your DOM grows too large; IE throws up the "script is not responding" dialog when a certain number of JS VM instructions are executed, and NOT after a certain amount of time. I've seen scripts which complete in 0.1ms crash internet explorer for this very reason.
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How to set versionName in APK filename using gradle?
...increment) value. Any way to make sure this takes affect after the gradle script increment the version number?
– Guy
Aug 30 '14 at 18:06
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Android - Launcher Icon Size
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I've created a script that exports Android launcher icons at velara3.com and from my research XXHDPI is 180x180 not 144. See developer.android.com/guide/practices/screens_support.html. Search on the page for, "180x180 (3.0x) for extra-extra...
How do I get the 'clear' command in Cygwin?
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It's nice to have the clear.exe program for bash script files, so:
Windows Cygwin detail for clear.exe program command.
Download Cygwin setupx86.exe or whatever it's call at http://cygwin.com/
Run it and download from internet. *If you have a proxy connection, you may n...
Are there any naming convention guidelines for REST APIs? [closed]
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@hstoerr Just to be sure I was clear, most script languages use some sort of 'curly bracket variable substitution'. So {var} signifies that some variable (it's name) resides there, and so the following {value} is where the value of the {var} before it. Example: sub.do...
Using group by on multiple columns
...ues in a given column
COUNT(*) returns the number of rows in a table
SQL script examples about using aggregate functions:
Let's say we need to find the sale orders whose total sale is greater than $950. We combine the HAVING clause and the GROUP BY clause to accomplish this:
SELECT
orderId, S...
Echo newline in Bash prints literal \n
... beating their head against the wall trying to figure out why a coworker's script won't print newlines, look out for this ->
#!/bin/bash
function GET_RECORDS()
{
echo -e "starting\n the process";
}
echo $(GET_RECORDS);
As in the above, the actual running of the method may itself be wrapped...