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Concatenate strings in Less
...
Use Variable Interpolation:
@url: "@{root}@{file}";
Full code:
@root: "../img/";
@file: "test.css";
@url: "@{root}@{file}";
.px{ background-image: url(@url); }
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What is the difference between a directory and a folder?
...ditor I could found two sub-keys, Folder and Directory, under HKEY_CLASSES_ROOT.
I didn't know the difference until I created some values manually in registry and observed the differences of context menu items. If I create a node under HKEY_CLASSES_ROOT\Folder\shell only, I found that it appears in...
Rollback to an old Git commit in a public repo
...nges to the whole tree. You should execute this command in the git project root. If you are in any sub directory, then this command only changes the files in the current directory. Then commit and you should be good.
You can undo this by
git reset --hard
that will delete all modifications from ...
Is there an S3 policy for limiting access to only see/access one bucket?
...ckets permission is that the recipient of this policy can see all of your (root's) buckets. There is no data disclosure directly, but there might be sensitivity/confusion around bucket names. It is feasible to remove this particular permission and things should still work (although "s3cmd ls" etc wi...
Get path of executable
...e_path_fallback(argv0);
}
boost::filesystem::path p(ret);
if (!p.has_root_directory())
{
boost::system::error_code ec;
p = boost::filesystem::canonical(
p, boost::filesystem::current_path(), ec);
if (ec.value() != boost::system::errc::success)
{
return detail::exe...
How to insert a value that contains an apostrophe (single quote)?
...g REPLACE to sanitize incoming values:
Oracle REPLACE
SQL Server REPLACE
MySQL REPLACE
PostgreSQL REPLACE
You want to check for '''', and replace them if they exist in the string with '''''' in order to escape the lone single quote.
...
tomcat - CATALINA_BASE and CATALINA_HOME variables
... is a pretty good description of this setup in the RUNNING.txt file in the root of the Apache Tomcat distribution under the heading Advanced Configuration - Multiple Tomcat Instances
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Setup a Git server with msysgit on Windows [closed]
...r repo from ssh://user@server:port/repopath/repo.git (for some reason, the root is the C: drive)
This allowed me to successfully clone and commit, but I could not push to the bare repo on the server. I kept getting:
git: '/repopath/repo.git' is not a git command. See 'git --help'.
fatal: The remo...
Repository Pattern Step by Step Explanation [closed]
... unit tests
There are other benefits too, for example, if you were using MySQL and wanted to switch to SQL Server - but I have never actually seen this in practice!
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How to update npm
...ould constantly produce this error:
npm ERR! tar pack Error reading
/root/tmp/npm-15864/1465947804069-0.4854120113886893/package
Then found this solution online:
1) Clean the cache of npm first:
sudo npm cache clean -f
2) Install n module of npm:
sudo npm install -g n
3) Begin the ins...