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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0.
31 Answ...
What is this operator in MySQL?
I'm working on code written by a previous developer and in a query it says,
9 Answers
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Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6
...T 22.6.0 ONLY, THESE BUGS SUBSEQUENTLY FIXED IN FOLLOWING BUILDS
Download and install new ADT v22.6.1 from here (zip) or use SDK manager to update
Seems like some bug from Google side, this problem found after "ADT 22.6" update. Widely reported on "Android Open Source Project - Issue Tracker" and ...
MySQL, better to insert NULL or empty string?
...a lot of different fields. Some of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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How to check if all list items have the same value and return it, or return an “otherValue” if they
..., otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this.
9 Answers
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MySQL: @variable vs. variable. What's the difference?
...are loosely typed variables that may be initialized somewhere in a session and keep their value until the session ends.
They are prepended with an @ sign, like this: @var
You can initialize this variable with a SET statement or inside a query:
SET @var = 1
SELECT @var2 := 2
When you develop a stor...
Java packages com and org
What are the meaning of the packages org and com in Java?
4 Answers
4
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Convert datetime to Unix timestamp and convert it back in python
I have dt = datetime(2013,9,1,11) , and I would like to get a Unix timestamp of this datetime object.
11 Answers
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Python Infinity - Any caveats?
So Python has positive and negative infinity:
5 Answers
5
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Checking for a dirty index or untracked files with Git
...;/dev/null| grep "^M" | wc -l)
# Get number of files that are uncommitted and not added
expr $(git status --porcelain 2>/dev/null| grep "^ M" | wc -l)
# Get number of total uncommited files
expr $(git status --porcelain 2>/dev/null| egrep "^(M| M)" | wc -l)
Note: The 2>/dev/null filters...