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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...nstall ruby-dev (ruby-devel for rpm-based distros) package onto you target machine.
gcc package might be needed as well.
Try:
$ sudo apt-get install ruby-dev
Or, for Redhat distro:
$ sudo yum install ruby-devel
Or, for [open]SuSE:
$ sudo zypper install ruby-devel
...
Can you have multiline HTML5 placeholder text in a ?
...)
IE: >= 10
KHTML based browsers: 4.8
Safari: No (tested = Safari 8.0.6 Mac OS X 10.8)
Opera: No (tested <= 15.0.1147.72)
Fused with theses statistics, this means that it works on about 88.7% of currently (Oct 2015) used browsers.
Update: Today, it works on at least 94.4% of currently (July 2...
How to Empty Caches and Clean All Targets Xcode 4 and later
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Wow, never new about that alt key trick for Mac OS X menus!!! That really defines the meaning of "Alt"ernate.
– trusktr
Aug 1 '13 at 19:09
add a...
file_put_contents(meta/services.json): failed to open stream: Permission denied
...ed this question, this was a problem on my localhost, running in a Virtual Machine. So I thought setting up a 777 was safe enough, however, folks are right when they say you should look for a different solution. Try 775 first
...
Determine installed PowerShell version
...o use $PSVersionTable.PSVersion. Even if you are connected remotely to the machine running different version (invoke-command -computername myRemotePC -Credential foo {$host}), it looks like $host will just show the lowest version they agreed upon for serializing. While $PSVersionTable will show the ...
How do I find the authoritative name-server for a domain name?
... you should be googling is "authoritative," not "definitive".
On Linux or Mac you can use the commands whois, dig, host, nslookup or several others. nslookup might also work on Windows.
An example:
$ whois stackoverflow.com
[...]
Domain servers in listed order:
NS51.DOMAINCONTROL.COM
...
How to output MySQL query results in CSV format?
...osen, or the command will fail.
If you want to write output to your local machine from a remote server (especially a hosted or virtualize machine such as Heroku or Amazon RDS), this solution is not suitable.
share
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git add, commit and push commands in one?
...an argument. I have added the following to my .bashrc (or .bash_profile if Mac):
function lazygit() {
git add .
git commit -a -m "$1"
git push
}
This allows you to provide a commit message, such as
lazygit "My commit msg"
You could of course beef this up even more by accepting eve...
Semantic Diff Utilities [closed]
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However, the Linux and Mac versions are ancient.
– Michael Piefel
Dec 6 '18 at 17:58
add a comment
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Remove outline from select box in FF
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This or Duopixel's solution doesn't work in FF 33.0.3 in Mac Mavericks. Instead of dotted outline, there is a blue blurred outline.
– Timo Kähkönen
Nov 10 '14 at 15:11
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