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How to create empty text file from a batch file?
Can somebody remember what was the command to create an empty file in MSDOS using BAT file?
13 Answers
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Export specific rows from a PostgreSQL table as INSERT SQL script
I have a database schema named: nyummy and a table named cimory :
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Struct constructor: “fields must be fully assigned before control is returned to the caller.”
Here is a struct I am trying to write:
5 Answers
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In R, how to get an object's name after it is sent to a function?
I am looking for the reverse of get() .
3 Answers
3
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Which version of MVC am I using?
I can't find it for some reason, feeling a little dumb. How do I know? I'm using .net 4 with VS2010.
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Any equivalent to .= for adding to beginning of string in PHP?
Just wondering if there is something like .= for adding text to the beginning of a string, e.g.:
5 Answers
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Convert decimal to binary in python [duplicate]
Is there any module or function in python I can use to convert a decimal number to its binary equivalent?
I am able to convert binary to decimal using int('[binary_value]',2), so any way to do the reverse without writing the code to do it myself?
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Devise - How do I forbid certain users from signing in?
I am using Devise for authentication in my application.
4 Answers
4
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How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the C...
Git search for string in a single file's history
So if I have a file called foo.rb and it is giving me an error for a missing method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
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