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Stop form refreshing page on submit
...fault();
});
Of course, in the function, you can check for empty fields, and if anything doesn't look right, e.preventDefault() will stop the submit.
Without jQuery:
var form = document.getElementById("myForm");
function handleForm(event) { event.preventDefault(); }
form.addEventListener('submi...
Check for installed packages before running install.packages() [duplicate]
... computers. One of its lines contains the install.packages("xtable") command.
16 Answers
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jquery UI Sortable with table and tr width
...I have made a jsFiddle to show the differences between original, modified, and no fix applied: jsfiddle.net/bgrins/tzYbU. I will also update the original post with your solution.
– Brian Grinstead
May 30 '12 at 20:01
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Git Push error: refusing to update checked out branch
... have solved some merge conflicts, committed then tried to Push my changes and received the following error:
11 Answers
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How to download a file from a URL in C#?
... Though I think that WebClient seems like a much more straightforward and simple solution.
– StormsEngineering
Oct 1 '19 at 23:17
3
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What exactly are “spin-locks”?
...ritical sections etc), operating system puts your thread in the WAIT state and preempts it by scheduling other threads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again.
Besides, kernel ob...
What is std::promise?
I'm fairly familiar with C++11's std::thread , std::async and std::future components (e.g. see this answer ), which are straight-forward.
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External resource not being loaded by AngularJs
Using Angular and Phonegap, I'm trying to load a video that is on a remote server but came across an issue. In my JSON, the URL is entered as a plain HTTP URL.
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how to prevent “directory already exists error” in a makefile when using mkdir
I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
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Correct way to define Python source code encoding
...coding: <encoding-name> -*-
which is recognized also by GNU Emacs, and
# vim:fileencoding=<encoding-name>
which is recognized by Bram Moolenaar’s VIM."
So, you can put pretty much anything before the "coding" part, but stick to "coding" (with no prefix) if you want to be 100% pyt...