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ActiveRecord.find(array_of_ids), preserving order
When you do Something.find(array_of_ids) in Rails, the order of the resulting array does not depend on the order of array_of_ids .
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Html.RenderPartial giving me strange overload error?
I made a test partial page named _Test.cshtml and put it in the same directory as my view that will be calling it, here it is:
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How to get current relative directory of your Makefile?
...parent directory of the Makefile. For example, if you run cd /; make -f /home/username/project/Makefile, the current_dir variable will be /, not /home/username/project/.
Code below will work for Makefiles invoked from any directory:
mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
current_d...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
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it seems that
python -m pip install XXX
will work anyway (worked for me)
(see link by user474491)
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Passing a string with spaces as a function argument in bash
...cho "$1"
echo "$2"
echo "$3"
}
And like the others, it works for me as well. Tell us what version of shell you are using.
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How to list all users in a Linux group?
How do I list all members of a group in Linux (and possibly other unices)?
20 Answers
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What is the most ridiculous pessimization you've seen? [closed]
...ds to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc. What is the most ridiculous example of this that you've seen?
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Swift class introspection & generics
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Well, for one, the Swift equivalent of [NSString class] is .self (see Metatype docs, though they're pretty thin).
In fact, NSString.class doesn't even work! You have to use NSString.self.
let s = NSString.self
var str = s()
str = "asdf"
Similarly, with a swift class I tried...
class MyClas...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
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It should give you something like this:
$ git log cee157
error: short SHA1 cee157 is ambiguous.
error: short SHA1 cee157 is ambiguous.
fatal: ambiguous argument 'cee157': unknown revision or path not in the working tree.
Use '--' to separate pat...
Eclipse - Unable to install breakpoint due to missing line number attributes
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I had the same error message in Eclipse 3.4.1, SUN JVM1.6.0_07 connected to Tomcat 6.0 (running in debug-mode on a different machine, Sun JVM1.6.0_16, the debug connection did work correctly).
Window --> Preferences --> Java -->...