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How to check if a String contains only ASCII?
The call Character.isLetter(c) returns true if the character is a letter. But is there a way to quickly find if a String only contains the base characters of ASCII?
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Mongod complains that there is no /data/db folder
I am using my new mac for the first time today. I am following the get started guide on the mongodb.org up until the step where one creates the /data/db directory. btw, I used the homebrew route.
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Shell Script: Execute a python program from within a shell script
I've tried googling the answer but with no luck.
9 Answers
9
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PostgreSQL: Show tables in PostgreSQL
What's the equivalent to show tables (from MySQL) in PostgreSQL?
24 Answers
24
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What does `kill -0 $pid` in a shell script do?
Basically, what signal does '0' represent, because here I see SIGNAL numbers starting from 1.
6 Answers
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SQL MAX of multiple columns?
How do you return 1 value per row of the max of several columns:
22 Answers
22
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SVN+SSH, not having to do ssh-add every time? (Mac OS)
I know the answer is out there, but I'm pretty Unix-dumb and probably wouldn't recognize the solution if it hit me in the face.
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
I have a SQLAlchemy query object and want to get the text of the compiled SQL statement, with all its parameters bound (e.g. no %s or other variables waiting to be bound by the statement compiler or MySQLdb dialect engine, etc).
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Can I convert a C# string value to an escaped string literal
In C#, can I convert a string value to a string literal, the way I would see it in code? I would like to replace tabs, newlines, etc. with their escape sequences.
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What is an idiomatic way of representing enums in Go?
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Quoting from the language specs:Iota
Within a constant declaration, the predeclared identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source a...