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Why does my application spend 24% of its life doing a null check?
... more expensive memory accesses. This is explained in more details in The MySQL “swap insanity” problem and the effects of the NUMA architecture where some solutions are given for Linux (spreading memory accesses on all NUMA nodes, biting the bullet on remote NUMA accesses to avoid swapping). ...
Stop node.js program from command line
... can kill it manually like this:
(NOTE: the following commands may require root, so sudo ... is your friend)
pkill -9 node
or, if you don't have pkill, this may work:
killall node
or perhaps this:
kill $(ps -e | grep node | awk '{print $1}')
sometimes the process will list its own grep, in which...
Import an existing git project into GitLab?
...alized location (e.g. github) that does NOT contain the .git folder at the root of the repository. This is only a convenient option if you have access to the server where the bare repository is stored. Otherwise the answer by @Raveren is the best option.
– TinkerTenorSoftwareG...
Why doesn't Java offer operator overloading?
...xt above with Stroustrup's below:
Many C++ design decisions have their roots in my dislike for forcing people to do things in some particular way [...] Often, I was tempted to outlaw a feature I personally disliked, I refrained from doing so because I did not think I had the right to force my vi...
How do I write outputs to the Log in Android?
...this line of code.
To use library, you must do implementations below.
in root level gradle
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
in app level gradle
dependencies {
implementation 'com.github.ardakaplan:RD...
Can't update Macports (with Mac OS X Mavericks)
...talling new version 2.2.1
Installing new MacPorts release in /opt/local as root:admin; permissions 0755; Tcl-Package in /Library/Tcl
Error: /opt/local/bin/port: port selfupdate failed: Error installing new MacPorts base: command execution failed
...
www-data permissions?
...ion works for me. Before that, I always run the server from terminal using root user. With this solution, I can upload file to directory that has permission 770. This is awesome, because before that I can only upload file using 777 permission.
– Ifan Iqbal
Mar ...
How to use multiple @RequestMapping annotations in spring?
...elcome"/>
in your config file. That will forward all requests to the Root to the welcome view.
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System.MissingMethodException: Method not found?
...
I just ran into this on a .NET MVC project. The root cause was conflicting versions of NuGet packages. I had a solution with several projects. Each of the projects had some NuGet packages. In one project I had a version of the Enterprise Library Semantic Logging package...
use localStorage across subdomains
... necessarily need admin access, just use an .htaccess rule in the document root
– Eran Galperin
Oct 26 '10 at 20:57
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