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When should I use cross apply over inner join?
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Can anyone give me a good example of when CROSS APPLY makes a difference in those cases where INNER JOIN will work as well?
See the article in my blog for detailed performance comparison:
INNER JOIN vs. CROSS APPLY
CROSS APPLY works be...
How to save an HTML5 Canvas as an image on a server?
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Here is an example of how to achieve what you need:
Draw something (taken from canvas tutorial)
<canvas id="myCanvas" width="578" height="200"></canvas>
<script>
var canvas = document.getElementById('myCanvas');
var context = canvas.getContext('2d');
// ...
What's your most controversial programming opinion?
...his is definitely subjective, but I'd like to try to avoid it becoming argumentative. I think it could be an interesting question if people treat it appropriately.
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How to use git merge --squash?
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Say your bug fix branch is called bugfix and you want to merge it into master:
git checkout master
git merge --squash bugfix
git commit
This will take all the commits from the bugfix branch, squash them into 1 commit, and merge it with your master branch.
Explanation:
git checkou...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...re not limited in your exception-throwing to existing exceptions in the Framework. If you do decide to use existing exceptions, you don't absolutely have to follow the documentation to the letter. The documentation will describe how the framework uses a given exception, but doesn't imply any limit...
EditText, clear focus on touch outside
...ext , it receives focus and the on-screen keyboard pops up. When I click somewhere outside of the EditText , it still has the focus (it shouldn't).
I guess I could set up OnTouchListener 's on the other views in layout and manually clear the EditText 's focus. But seems too hackish...
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PHP mkdir: Permission denied problem
...d user
chown -R www-data:www-data /path/to/webserver/www
Next enabled all members of the www-data group to read and write files
chmod -R g+rw /path/to/webserver/www
The php mkdir() function should now work without returning errors
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YouTube Video Embedded via iframe Ignoring z-index?
I'm trying to implement a horizontal multilevel dropdown navigation menu. Immediately below (vertically) the menu, I've got a YouTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video.
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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How do I debug an MPI program?
...te debug output to a separate log file, but this doesn't really give the same freedom as a debugger.
16 Answers
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