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How to add/update an attribute to an HTML element using JavaScript?
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+1 for jQuery solution. In my case, I was trying to avoid jQuery and produce it in pure javascript due to the requirements of my work. I'm glad both answers exist. Thanks.
– NuclearPeon
Feb 1 '13 at 20:22
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git diff renamed file
... @KenHirakawa use -- <old-path> <new-path> ... see my answer.
– Nolan Amy
Mar 10 '13 at 20:33
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Can a foreign key be NULL and/or duplicate?
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@nWest, I don't allow people who are incompetent to query my databases and any dev who doesn't know how to handle nulls is incompetent. There are times when the data is not known at the time of initial data entry for a particular field but the other fields are needed at that time.
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C# List of objects, how do I get the sum of a property
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using System.Linq;
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double total = myList.Sum(item => item.Amount);
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Using OR in SQLAlchemy
...ugh the docs and I cant seem to find out how to do an OR query in SQLAlchemy. I just want to do this query.
4 Answers
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How to remove a file from version control without deleting it?
...n control without removing it from your filesystem.
$ svn rm --keep-local my_important_file
Note: The --keep-local only affects the svn rm of your copy. Other users may have their own local copy of the file deleted unless there is a conflict between their local copy and the repository due to chan...
Matplotlib: “Unknown projection '3d'” error
...I encounter the same problem, and @Joe Kington and @bvanlew's answer solve my problem.
but I should add more infomation when you use pycharm and enable auto import.
when you format the code, the code from mpl_toolkits.mplot3d import Axes3D will auto remove by pycharm.
so, my solution is
from mpl...
How can I upload files asynchronously?
...ata: false,
// Custom XMLHttpRequest
xhr: function () {
var myXhr = $.ajaxSettings.xhr();
if (myXhr.upload) {
// For handling the progress of the upload
myXhr.upload.addEventListener('progress', function (e) {
if (e.lengthComputable) {
$('pr...
Iterating through directories with Python
... I get a file I have to open it and change the content and replace it with my own lines.
3 Answers
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What is database pooling?
...ion is alive in pool.This will good for pool performance?? And let me know my understanding is little wrong??
– Ye Win
Mar 26 '15 at 8:59
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