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Is there a way to get the git root directory in one command?
Mercurial has a way of printing the root directory (that contains .hg) via
22 Answers
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Possible reasons for timeout when trying to access EC2 instance
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Did you set an appropriate security group for the instance? I.e. one that allows access from your network to port 22 on the instance. (By default all traffic is disallowed.)
Update: Ok, not a security group issue. But does the problem persist if you launch up another instance from the sam...
Why do you need to put #!/bin/bash at the beginning of a script file?
...ly a convention, not a "rule". An executable can be a binary program, any one of a million script types and other things as well. Hence the need for #!/bin/bash.
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Converting integer to binary in python
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Note that this solution is faster than the accepted one. Which solution is more clear (or, dare I say it, Pythonic) is probably a matter of personal taste.
– Air
Feb 21 '14 at 18:04
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Defining a variable with or without export
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There's one edge-case to this; name=value command does make the variable available in the sub-process command.
– Oliver Charlesworth
Dec 23 '15 at 11:09
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How to convert JSON data into a Python object
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UPDATE
With Python3, you can do it in one line, using SimpleNamespace and object_hook:
import json
from types import SimpleNamespace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresp...
What is the command to list the available avdnames
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List all your emulators: emulator -list-avds Run one of the listed emulators: emulator @name-of-your-emulator where emulator is under: ${ANDROID_SDK}/tools/emulator
– Dhiraj Himani
Jun 16 '17 at 11:27
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What are the differences between B trees and B+ trees?
...es are linked, so doing a full scan of all objects in a tree requires just one linear pass through all the leaf nodes. A B tree, on the other hand, would require a traversal of every level in the tree. This full-tree traversal will likely involve more cache misses than the linear traversal of B+ lea...
How to make blinking/flashing text with CSS 3
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Just noticed that this, applied to one text element, consumes ridiculous amount of CPU on my computer using firefox. Beware.
– Alex
Sep 10 '14 at 9:00
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Unique Key constraints for multiple columns in Entity Framework
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@JJS - I got it to work where one of the properties was a foreign key.. by any chance is your key a varchar or nvarchar? There is a limit to the length of which can be used as a unique key.. stackoverflow.com/questions/2863993/…
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