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Reading and writing environment variables in Python? [duplicate]
My python script which calls many python functions and shell scripts. I want to set a environment variable in Python (main calling function) and all the daughter processes including the shell scripts to see the environmental variable set.
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How do I create a crontab through a script
I need to add a cron job thru a script I run to set up a server. I am currently using Ubuntu. I can use crontab -e but that will open an editor to edit the current crontab. I want to do this programmatically.
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Disabling browser print options (headers, footers, margins) from page?
...archForKnowledge: Yes, it is as I said - if you read my answer under the description on how it behaves in IE: "You will see that the page content actually are positioned correctly, but the browser print header and footer is hiding the page content at that position." I say it "does have effect" in IE...
Is there a simple way to remove unused dependencies from a maven pom.xml?
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I had similar kind of problem and decided to write a script that removes dependencies for me. Using that I got over half of the dependencies away rather easily.
http://samulisiivonen.blogspot.com/2012/01/cleanin-up-maven-dependencies.html
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How can I visualize per-character differences in a unified diff file?
... Specifically, the contrib/ tree of the git repo has a diff-highlight perl script that shows fine-grained highlights.
Quick start to use it:
$ curl https://git.kernel.org/cgit/git/git.git/plain/contrib/diff-highlight/diff-highlight > diff-highlight
$ chmod u+x diff-highlight
$ git diff --color...
Difference between “change” and “input” event for an `input` element
...e").prepend("\nOn blur | " + this.tagName + " | " + this.value);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="text" />
<select>
<option>Alice</option>
<option>Bob</option>
<op...
Android studio, gradle and NDK
...ttp://tools.android.com/tech-docs/android-ndk-preview
For building with a script the gradle solution below should work:
I am using my build script and added to my file (Seems to work for 0.8+): This seems to be equivalent to the solution below (but looks nicer in the gradle file):
android {
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How do I get git to default to ssh and not https for new repositories
...ttps.
For that you need to set your ssh keys. I have prepared this little script that automates this:
#!/usr/bin/env bash
email="$1"
hostname="$2"
hostalias="$hostname"
keypath="$HOME/.ssh/${hostname}_rsa"
ssh-keygen -t rsa -C $email -f $keypath
if [ $? -eq 0 ]; then
cat >> ~/.ssh/config <...
Difference between jQuery’s .hide() and setting CSS to display: none
... display: table-cell;
border: 1px solid;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>
<button class="hide">Hide</button>
<button class="show">Show</button>
</p>
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What's the difference between a Python module and a Python package?
... a package from a directory that just happens to contain a bunch of Python scripts. Packages can be nested to any depth, provided that the corresponding directories contain their own __init__.py file.
The distinction between module and package seems to hold just at the file system level. When you i...