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Change select box option background color
...e is 1) don't write your own and 2) find a library that's been really well tested.
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Simplest way to do a fire and forget method in c# 4.0
... @ksm Your approach is in for some trouble unfortunately - have you tested it? That approach is exactly why Warning 4014 exists. Calling an async method without await, and without the help of Task.Run... will cause that method to run, yes, but once it finishes it will attempt to marshal back ...
CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
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The following method works (tested in Chrome) by using a box-shadow with a spread of 1px instead of a "real" border.
table {
border-collapse: collapse;
border-radius: 30px;
border-style: hidden; /* hide standard table (collapsed) border */
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Read whole ASCII file into C++ std::string [duplicate]
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Most of the time, you're fine not testing whether the file has opened (the other operations will simply fail). As a rule, you should avoid printing out error messages on the spot, unless you're sure that fits with the rest of the program -- if you must do som...
How to get the absolute coordinates of a view
... null pointer exception in Android v1.5 (the platform I'm coding for), but testing in v2.1 didn't work any better. Both methods gave me 0s for everything. I included a code snippet above.
– Steve Haley
Feb 9 '10 at 12:23
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How to install the Raspberry Pi cross compiler on my Linux host machine?
...ad the toolchain:
wget https://github.com/Pro/raspi-toolchain/releases/latest/download/raspi-toolchain.tar.gz
Extract it. Note: The toolchain has to be in /opt/cross-pi-gcc since it's not location independent.
sudo tar xfz raspi-toolchain.tar.gz --strip-components=1 -C /opt
You are done! T...
How to automatically install Ansible Galaxy roles?
...roles. You can find out about that here: http://docs.ansible.com/ansible/latest/galaxy.html#installing-multiple-roles-from-a-file
For example (requirements.yml):
- src: yatesr.timezone
You then run ansible-galaxy install -r requirements.yml on this file to download all of the roles listed there....
AWK: Access captured group from line pattern
...apture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the -n flag causes perl to loop over every line like awk does.
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Getting started with F# [closed]
...Koans- a simple, fun, and interactive way to learn the F# language through testing.
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Check if value already exists within list of dictionaries?
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Is there a possibility to test if 'main_color': 'red' AND 'second_color':'blue' exist ?
– Florent
May 7 '18 at 23:19
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