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Downloading MySQL dump from command line
...ddress] -u [uname] -p db_name > db_backup.sql
It should drop the .sql file in the folder you run the command-line from.
EDIT: Updated to avoid inclusion of passwords in CLI commands, use the -p option without the password. It will prompt you for it and not record it.
...
pdftk compression option
...tibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dBATCH -dQUIET -sOutputFile=output.pdf input.pdf
Edit: I just discovered another option (for lossless compression), which avoids the nasty gs command. qpdf is a neat tool that converts PDFs (compression/decompression, encryption/decryption), and...
How to get current time with jQuery
...ly). So as mentioned in another answer, using moment.js sounds like a good idea. momentjs.com
– Chris
May 4 '15 at 8:38
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Shell command to sum integers, one per line?
...
Bit of awk should do it?
awk '{s+=$1} END {print s}' mydatafile
Note: some versions of awk have some odd behaviours if you are going to be adding anything exceeding 2^31 (2147483647). See comments for more background. One suggestion is to use printf rather than print:
awk '{s+=$1}...
Merging: Hg/Git vs. SVN
...
In "Known Issues" there is warning that merge tracking migh not work with file renames, e.g. when one side renames file (and perhaps modifies it), and second side modifies file without renaming (under old name).
Both Git and Mercurial handle such case just fine in practice: Git using rename detect...
Should CSS always preceed Javascript?
... the test 20 times in the 3 major browsers.
Results
First, with the CSS file delayed by 500ms:
Browser: Chrome 18 | IE 9 | Firefox 9
CSS: first last | first last | first last
=======================================================
Header Exec | | ...
How to run a single test from a rails test suite?
...
NOTE: This doesn't run the test via rake. So any code you have in Rakefile will NOT get executed.
To run a single test, use the following command from your rails project's main directory:
ruby -I test test/unit/my_model_test.rb -n test_name
This runs a single test named "name", defined in t...
Color in git-log
...e i can find my "color.decorate" property. I don't see it in my .gitconfig file.
– J Woodchuck
Apr 26 '18 at 19:36
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How do I install from a local cache with pip?
...is.
To take advantage of this, I've added the following to my ~/.bash_profile:
export PIP_DOWNLOAD_CACHE=$HOME/.pip_download_cache
or, if you are on a Mac:
export PIP_DOWNLOAD_CACHE=$HOME/Library/Caches/pip-downloads
Notes
If a newer version of a package is detected, it will be downloaded ...
How to stop a PowerShell script on the first error?
...hese answers are enough. I've currently settled on the following code in a file called ps_support.ps1:
Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"
$PSDefaultParameterValues['*:ErrorAction']='Stop'
function ThrowOnNativeFailure {
if (-not $?)
{
throw 'Native Failure...