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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
...cess.env.PORT || 5000)
That way it'll still listen to port 5000 when you test locally, but it will also work on Heroku.
You can check out the Heroku docs on Node.js here.
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Is there a label/goto in Python?
... I thought I had discovered a bug in the interpreter, so I made a bunch of test cases and did some research to understand what was going on. Sorry about that.
– Braden Best
Feb 7 '15 at 16:10
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Rolling back local and remote git repository by 1 commit
...his command will delete the last commit from remote.
P.S. this command is tested on Mac OSX and should work on other operating systems as well (not claiming about other OS though)
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Git Alias - Multiple Commands and Parameters
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This will work (tested with zsh and bash):
[alias] chs = !git checkout $1 && git status
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
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# cd /drbd_data/
3.9.2 生成测试数据
#touch /drbd_data/test.txt
#dd if=/dev/zero of=/drbd_data/test.tmp bs=1M count=20
# drbdadm dstate r0
UpToDate/UpToDate
3.9.3 将主节点drbd的状态变为从
# drbdadm role r0
Primary/Secondary
#um...
Inner join vs Where
..., since it's self-explanatory.
There's no difference in speed(I have just tested it) and the execution plan is the same.
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Replace first occurrence of string in Python
...en, the first maxreplace occurrences are replaced.
>>> u'longlongTESTstringTEST'.replace('TEST', '?', 1)
u'longlong?stringTEST'
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ADB Android Device Unauthorized
...loper options on the phone and click "Revoke USB debugging authorization" (tested with JellyBean & Samsung GalaxyIII).
3. Restart ADB Server:
Then restarted adb server
adb kill-server
adb start-server
4. Reconnect the device
The device will ask if you are agree to connect the computer id.
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Best way to remove an event handler in jQuery?
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Is there a way to test if unbind() is working? I've added it and both events are still firing.
– David Yell
Sep 23 '10 at 10:41
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How do you Programmatically Download a Webpage in Java
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Here's some tested code using Java's URL class. I'd recommend do a better job than I do here of handling the exceptions or passing them up the call stack, though.
public static void main(String[] args) {
URL url;
InputStream is...