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When to use a linked list over an array/array list?
... in array. It is constant time to add/remove from a linked list’s head / root node.
– Yawar Murtaza
Jan 8 '19 at 10:37
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Checking network connection
... seconds
As we can see, 53/tcp is open and non-filtered. If you are a non-root user, remember to use sudo or the -Pn argument for Nmap to send crafted probe packets and determine if a host is up.
Before we try with Python, let's test connectivity using an external tool, Netcat:
$ nc 8.8.8.8 53 -zv
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Where should signal handlers live in a django project?
...nywhere you like, although it’s recommended to avoid the application’s root module and its models module to minimize side-effects of importing code.
In practice, signal handlers are usually defined in a signals submodule of the application they relate to. Signal receivers are connected in t...
How to create full compressed tar file using Python?
...ntains a folder which contains the contents of source_dir. If you want the root of the archive to contain the contents themselves, and not contents within a folder, use arcname=os.path.sep instead.
– Jonathan H
Mar 22 '17 at 1:05
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How to make pipes work with Runtime.exec()?
... the source code
(at http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/Runtime.java#Runtime.exec%28java.lang.String%2Cjava.lang.String[]%2Cjava.io.File%29), we find that is exactly what is happening:
public Process [More ...] exec(String command, String[] envp,...
Pass Array Parameter in SqlCommand
...part of your SQL call. (i.e. SELECT * FROM table WHERE field IN ({paramNameRoot}))
/// </summary>
/// <param name="cmd">The SqlCommand object to add parameters to.</param>
/// <param name="paramNameRoot">What the parameter should be named followed by a unique valu...
How To Create a Flexible Plug-In Architecture?
...th a compressed archive with a simple interface, say PluginName.ext in the root directory.
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How to store a git config as part of the repository?
...er in .git/config you should save it in .gitconfig file in your repository root:
your-repo/
│
├── .git/
│ ├── config
│
├── .gitconfig
│
Create the .gitconfig with your filter and commit the changes. Then your colleagues will always keep it updated -- but they will have...
How to execute a java .class from the command line
...classes. Note than when you use packages, the classpath has to contain the root directory, not the package subdirectories. e.g. if your class is my.package.Echo and the .class file is bin/my/package/Echo.class, the correct classpath directory is bin.
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How do you run CMD.exe under the Local System Account?
... or admin user and use the following command: cd \. This places you in the root directory of your drive, where psexec is located.
Use the following command: psexec -i -s cmd.exe where -i is for interactive and -s is for system account.
When the command completes, a cmd shell will be launched. Type w...