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How to revert (Roll Back) a checkin in TFS 2010
...or Team Foundation Server 2012, 2013, or Visual Studio Online, rollback is now built-in directly to Source Control Explorer and when you are opening a changeset's details in the Team Explorer Window. You do not need to install any release of the Power Tools for this functionality when using Visual ...
Reorder levels of a factor without changing order of values
...
Thank you, this worked. For some strange reason ggplot now correctly changed the order in the legend, but not in the plot. Weird.
– crangos
Mar 3 '10 at 23:57
7...
CAP theorem - Availability and Partition Tolerance
...stency. Consider if you have two nodes, X and Y, in a master-master setup. Now, there is a break between network communication between X and Y, so they can't sync updates. At this point you can either:
A) Allow the nodes to get out of sync (giving up consistency), or
B) Consider the cluster to be ...
How do I set environment variables from Java?
...cessBuilders through it before starting them.
Also, you probably already know this, but you can start more than one process with the same ProcessBuilder. So if your subprocesses are the same, you don't need to do this setup over and over.
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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
...lier without success, but perhaps something else was wrong. Trying it just now again, then re-creating the situation with another user, I found that this did in fact do the trick. Of course, the formal answer today was "not to be stupid" and to use REVOKE and DROP USER to do it right. I'm indebted t...
Disable browser 'Save Password' functionality
...strict requirement to pass XHTML validation with the actual markup (don't know why it would be though) you could theoretically add this attribute with javascript afterwards but then users with js disabled (probably a neglectable amount of your userbase or zero if your site requires js) will still ha...
How can I check if the current date/time is past a set date/time?
...r, if you are using UTC dates (as you should), prefer to use new DateTime("now", new DateTimeZone('UTC')). This will prevent your app from misunderstandable bugs in dates. i advise you to store it in a function static variable, a class static or somewhere else in your running process...
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Eclipse “Invalid Project Description” when creating new project from existing source
... got the full BSOD and Eclipse is just messed up, this is but one of many. Now it's finally trying to load, but literally taking forever on CPU. I reinstalled eclipse to no avail, but thanks for this. One step closer now.
– Stephen J
Jun 9 '14 at 5:56
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How to include external Python code to use in other files?
...t explicitly name them, like:
from Math import Calculate, Add, Subtract
Now, you can reference Calculate, Add, and Subtract just by their names. If you wanted to import ALL functions from Math, do:
from Math import *
However, you should be very careful when doing this with modules whose conten...
Using .otf fonts on web browsers
... src: url("path/GraublauWebBold.otf") format("opentype");
}
// Edit: OTF now works in most browsers, see comments
However if you want to support a wide variety of browsers i would recommend you to switch to WOFF and TTF font types. WOFF type is implemented by every major desktop browser, while the...