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How do I get the first element from an IEnumerable in .net?

...often want to grab the first element of an IEnumerable<T> in .net, and I haven't found a nice way to do it. The best I've come up with is: ...
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`Apache` `localhost/~username/` not working

...he following: #LoadModule userdir_module libexec/apache2/mod_userdir.so and #Include /private/etc/apache2/extra/httpd-userdir.conf Then in httpd-userdir.conf you may need to uncomment: #Include /private/etc/apache2/users/*.conf Lastly you would need to create /private/etc/apache2/users/kevi...
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Why does running the Flask dev server run itself twice?

I'm using Flask for developing a website and while in development I run flask using the following file: 6 Answers ...
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Adding options to a using jQuery?

...h IE8, but your code worked for me, thank you! – Alexandre L Telles Jan 10 '12 at 16:14 Also make sure that display: t...
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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?

... is a true unix timestamp as defined here en.wikipedia.org/wiki/Unix_time (and so will only be using the unix_time function from this answer) then you should wrap delta.total_seconds() with int to avoid ending up with a float – corford Dec 30 '14 at 11:20 ...
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How to use Git for Unity3D source control?

...aths would be included in .gitignore, what settings should be set in Unity and/or the project, and any other special things that should be noted. ...
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Given a DateTime object, how do I get an ISO 8601 date in string format?

... I live in Australia, and for me I had to use ToString("yyyy-MM-ddTHH:mm:ssK") for this to work (with the jquery timeago plugin I was using). – GONeale Aug 3 '11 at 5:50 ...
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie

...nv PRODUCTS_PATH /Users/mortimer/Projects/my_products launchctl setenv ANDROID_NDK_HOME /Applications/android-ndk launchctl setenv PATH $PATH:/Applications/gradle/bin </string> </array> <key>RunAtLoad</key> <true/> </dict> </plist> You c...
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Java: notify() vs. notifyAll() all over again

If one Googles for "difference between notify() and notifyAll() " then a lot of explanations will pop up (leaving apart the javadoc paragraphs). It all boils down to the number of waiting threads being waken up: one in notify() and all in notifyAll() . ...
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Best way to generate random file names in Python

In Python, what is a good, or the best way to generate some random text to prepend to a file(name) that I'm saving to a server, just to make sure it does not overwrite. Thank you! ...