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Running multiple async tasks and waiting for them all to complete
...tasks finish.
More so, exception handling differs:
Task.WaitAll:
At least one of the Task instances was canceled -or- an exception was thrown during the execution of at least one of the Task instances. If a task was canceled, the AggregateException contains an OperationCanceledException in its Inne...
Renaming files in a folder to sequential numbers
...%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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Styling an input type=“file” button
...on and input box on top of the native file input. The article already mentioned by rm at www.quirksmode.org/dom/inputfile.html is the best one I've seen.
UPDATE
Although it's difficult to style an <input> tag directly, this is easily possible with the help of a <label> tag. See answer ...
Add context path to Spring Boot application
...wn solution. Spring-boot already supports that.
If you don't already have one, add an application.properties file to src\main\resources. In that properties file, add 2 properties:
server.contextPath=/mainstay
server.port=12378
UPDATE (Spring Boot 2.0)
As of Spring Boot 2.0 (due to the support o...
Count(*) vs Count(1) - SQL Server
...or if this is just a legacy habit that has been brought forward from days gone past?
13 Answers
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Why is  appearing in my HTML? [duplicate]
...o tell if you're using an editor that displays actual unicode characters.
One option is to open the file in a very basic text editor that doesn't understand unicode, or one that understands it but has the ability to display any non-ascii characters using their actual codes.
Once you locate it, you...
Upgrading Node.js to latest version
...
None of them are supported in Windows. NVM suggests nvmw and nvm-windows that are "neither supported nor developed by" NVM and I havent testsed out yet. @nelsonic your answer is awesome
– slevin
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How to simulate Android killing my process
...en the user re-selects that task from the home screen. Typically, this is done if the user hasn't visited the task for a certain amount of time, such as 30 minutes.
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What are Vertex Array Objects?
...e VAO again, all the those attributes and pointers also become current. So one glBindVertexArray call is equivalent to all the code previously needed to set up all the attributes. It's handy for passing geometry around between functions or methods without having to create your own structs or objects...
Returning a boolean from a Bash function
...e when you consider that in programming things can usually only succeed in one way, but can fail in infinite ways. Well maybe not infinite, but lots, the odds are stacked against us. Success/Error(s) is not boolean. I think this "Use 0 for true and 1 for false." should read "Use 0 for success and n...