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What is android:weightSum in android, and how does it work?
...e maximum weight sum, and is calculated as the sum of the layout_weight of all the children if not specified explicitly.
Let's consider an example with a LinearLayout with horizontal orientation and 3 ImageViews inside it. Now we want these ImageViews always to take equal space. To acheive this, yo...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
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wait also (optionally) takes the PID of the process to wait for, and with $! you get the PID of the last command launched in background.
Modify the loop to store the PID of each spawned sub-process into an array, and then loop again waiting o...
MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
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How to generate a random string of a fixed length in Go?
...anner. Benchmarking each iteration can be found at the end of the answer.
All the solutions and the benchmarking code can be found on the Go Playground. The code on the Playground is a test file, not an executable. You have to save it into a file named XX_test.go and run it with
go test -bench . -...
sed beginner: changing all occurrences in a folder
I need to do a regex find and replace on all the files in a folder (and its subfolders). What would be the linux shell command to do that?
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Applying a git post-commit hook to all current and future repos
...hook and it works correctly. However, I want to add this hook to apply to all current (and future) git repositories I am working on. I tried adding the hook to my ~/.git/hooks/ instead of in the hooks directory in the project directory, however, this did not seem to work.
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Regex to remove all (non numeric OR period)
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I make one small correction: Regex.Replace(s, "[^$0-9.]", ""); You want to leave dollar sign.
– bodacydo
Dec 4 '15 at 5:26
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Best way to display decimal without trailing zeroes
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+1 - incidentally, you don't need the leading #. "0.#####" works identically. And either way, this does round away from zero (just FYI).
– TrueWill
Jul 26 '10 at 22:44
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Can you set a border opacity in CSS?
...wsers do not understand the rgba format and will not display any border at all if this is the entire declaration. The solution is to provide two border declarations. The first with a fake opacity, and the second with the actual. If a browser is capable, it will use the second, if not, it will use th...
With GitHub how do I push all branches when adding an existing repo?
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Note: git push --all won't push your tags, only your branches.
git push --all
git push --tags
would really push everything. See also "Set up git to pull and push all branches".
Don't forget the --dry-run option to make some test before act...