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The command rbenv install is missing
...g the command:
git clone https://github.com/rbenv/ruby-build.git "$(rbenv root)"/plugins/ruby-build
On Mac OS X you can install it through homebrew:
brew install ruby-build
On Debian (version >= 7) and Ubuntu (version >= 12.10) both rbenv and ruby-build can be installed using apt-get (or...
How add context menu item to Windows Explorer for folders [closed]
...ws Explorer or on background of a directory in right panel:
HKEY_CLASSES_ROOT\Directory\Background\shell if you are administrator
HKEY_CURRENT_USER\Software\Classes\directory\Background\shell if you are a normal user
Context menu for right click on folders in right panel of Windows Explorer:
H...
Maven2 property that indicates the parent directory
...the whole project or a sub-module.
It works whether you run maven from the root folder or a sub-module.
There's no need to set a relative path property in each and every sub-module!
The plugin lets you set a property of your choice to the absolute-path of any of the project's modules. In my case I...
How to restart Jenkins manually?
...e it makes your service unreliable as it picks up the environment from the root user as opposed to a clean reliable blank environment that is set by the init launchers (service / systemctl).
– battey
Nov 8 '19 at 23:04
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CocoaPods Errors on Project Build
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However, when I go to the target's User-Defined Build Settings, the PODS_ROOT entry is either entirely missing or is empty for one or more configurations. Which causes the following error on build:
The simplest fix is to close the project in Xcode and reopen it.
If you go to the target's Build...
How to use 'find' to search for files created on a specific date? [closed]
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You could do this:
find ./ -type f -ls |grep '10 Sep'
Example:
[root@pbx etc]# find /var/ -type f -ls | grep "Dec 24"
791235 4 -rw-r--r-- 1 root root 29 Dec 24 03:24 /var/lib/prelink/full
798227 288 -rw-r--r-- 1 root root 292323 Dec 24 23:53 /var/log/sa/sar...
Database Structure for Tree Data Structure
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Have a look at Managing Hierarchical Data in MySQL. It discusses two approaches for storing and managing hierarchical (tree-like) data in a relational database.
The first approach is the adjacency list model, which is what you essentially describe: having a foreign key...
In C# check that filename is *possibly* valid (not that it exists) [duplicate]
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I enhanced this solution using bOk = System.IO.Path.IsPathRooted(fileName); instead of bOk = true;
– jing
Sep 24 '13 at 7:12
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Why all the Active Record hate? [closed]
...database itself, tables, relations, even some logic if the DBMS allows it (MySQL is also grown-up now)
A2) very often, there is more than a data store: file system (blobs in database are not always a good decision...), legacy systems (imagine yourself "how" they will be accessed, many varieties pos...
Update all values of a column to lowercase
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See http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_name SET tag = LOWER(tag)
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