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Install Gem from Github Branch?
In my gemfile I have this:
4 Answers
4
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Difference between Hashing a Password and Encrypting it
...-injections that did not compromise the application code (or configuration files) and I am now of the opinion that adding a secret is helpful, be it in the form of encryption or in the form of a pepper, but it must not replace hashing. For a more complete answer, see here: security.stackexchange.com...
Measuring execution time of a function in C++
...ample, when writing code, I make it convenient for me when it's in the cpp file I am working right now, but when it's time to move it elsewhere I take every necessary steps to make it robust so that I don't have to look at it again. And I think that, every programmer out there who are not complete n...
Why is document.body null in my javascript?
... What if you don't want to override an existing onload defined in another file?
– Tom Brito
May 3 '13 at 22:05
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What is the difference between PS1 and PROMPT_COMMAND
... my things, I've basically put the code for the PROMPT_COMMAND in separate file (as Bob described) and then echo the string that I intend to be PS1:
GREEN="\[\033[0;32m\]"
CYAN="\[\033[0;36m\]"
RED="\[\033[0;31m\]"
PURPLE="\[\033[0;35m\]"
BROWN="\[\033[0;33m\]"
LIGHT_GRAY="\[\033[0;37m\]"
LIGHT_BLU...
How to show line number when executing bash script
...ple comment with a line number"
if the number of this line in the source file is 16.
This basically answers the question How to show line number when executing bash script for users of ash or other shells without LINENO.
Anything more to add?
Sure. Why do you need this? How do you work with ...
Is there any way to kill a Thread?
..., if all the resources that the thread is owning are local resources (open files, sockets), Linux is reasonably good at the process cleanup and this does not leak. I had cases though where I created a server using socket, and if I do a brutal interruption with Ctrl-C, I can non longer launch the pro...
Asynchronous shell commands
... lines of the command output. I use this for rsync backup jobs to see what file it's currently at.
– Martin Hansen
Nov 1 '15 at 18:32
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How to force use of overflow menu on devices with menu button
...rs Design System, but I found a way to pass it:
Add this to your XML menu file:
<item android:id="@+id/pick_action_provider"
android:showAsAction="always"
android:title="More"
android:icon="@drawable/ic_action_overflow"
android:actionProviderClass="com.example.AppPickActionProvi...
Optimal number of threads per core
...te cores so separate threads will be faster assuming your data is properly filed... which is why, on some architectures, 4 processes will run faster than 1 process with 4 threads.)
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