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How do I change the number of open files limit in Linux? [closed]
...e using Linux and you got the permission error, you will need to raise the allowed limit in the /etc/limits.conf or /etc/security/limits.conf file (where the file is located depends on your specific Linux distribution).
For example to allow anyone on the machine to raise their number of open files...
Are delphi variables initialized with a value by default?
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As Giacomo pointed out in the comments below, this is all explained in the Delphi help files at ms-help://borland.bds4/bds4ref/html/Variables.htm. In Delphi 2009 I found the same info by searching the help for "variables" (funnily enough I tried lots of searches but I didn't th...
abort: no username supplied (see “hg help config”)
...po or put a .hgrc (hgrc for Windows) file in your home dir (then it covers all your projects)
In the file you should write
[ui]
username = Your Name <your@mail>
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How to determine if a process runs inside lxc/Docker?
... the init process, and when you are not in a container, that will be / for all hierarchies. When you are inside a container, you will see the name of the anchor point. With LXC/Docker containers, it will be something like /lxc/<containerid> or /docker/<containerid> respectively.
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How do I grep for all non-ASCII characters?
... Homebrew's dupes library (enable using brew tap homebrew/dupes): brew install grep
– Bastiaan M. van de Weerd
Oct 22 '12 at 10:03
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How to simulate a higher resolution screen? [closed]
...ving to set it up yourself, but has the advantage of being able to test locally with no internet connection.
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How do I copy folder with files to another folder in Unix/Linux? [closed]
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i wonder why this exact command in dockerfile copies all source directory files into destination, instead of copying just whole directory.
– holms
Mar 29 '17 at 0:17
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How to find and turn on USB debugging mode on Nexus 4
...ment kit), view this info.
From a Home screen, swipe up to display all apps.
Navigate: Settings > System > Advanced.
Developer options .
If Developer options isn't available, navigate: Settings > About phone then tap Build number 7 times. Tap the Back icon to Setti...
Rails and PostgreSQL: Role postgres does not exist
I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps.
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Lombok added but getters and setters not recognized in Intellij IDEA
...sing IntelliJ IDEA on ubuntu. I added lombok.jar into my project and installed the Lombok plugin for IDEA. I have access to the annotations but the getters and setters aren't generated. I get the same errors I would get if I tried accessing a getter or setter method that doesn't exist. What co...