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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
I guess I'm not clear on how to do "and" tests. I wanted to make sure an argument existed which was working well with [ -e $VAR ] , but it turns out that was also evaluating as true on an empty string; which I do not want.
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Android Fragment onClick button Method
... to invoke the method in my onClick (View v) XML, but does not work with Fragment. This is the error.
6 Answers
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Detect Retina Display
Does iOS SDK provides an easy way to check if the currentDevice has an high-resolution display (retina) ?
14 Answers
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How to convert float to varchar in SQL Server
I have a float column with numbers of different length and I'm trying to convert them to varchar.
15 Answers
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For homebrew mysql installs, where's my.cnf?
For homebrew mysql installs, where's my.cnf? Does it install one?
13 Answers
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jQueryUI Tooltips are competing with Twitter Bootstrap
I have been able to get some tool tips to work finally with the following code:
10 Answers
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JetBrains / IntelliJ keyboard shortcut to collapse all methods
I'm working on some legacy code that has a class that is 10,000+ lines of code and has 100s of methods. Is there a shortcut for any JetBrains IDE (since the shortcut would likely be shared across all of them) to collapse all the methods / functions so that only the method signatures are shown?
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SQLAlchemy IN clause
I'm trying to do this query in sqlalchemy
6 Answers
6
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Python coding standards/best practices [closed]
In python do you generally use PEP 8 -- Style Guide for Python Code as your coding standards/guidelines? Are there any other formalized standards that you prefer?
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Django connection to PostgreSQL: “Peer authentication failed”
This is the error I am receiving when I try to get to my Django admin site. I had been using MySQL database no problem. I am new to PostgreSQL, but decided to switch because the host I ultimately plan to use for this project does not have MySQL.
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