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Foreign keys in mongo?
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Ok, but how can I get cource name data from student collection? db.student.find() will return something like courses: [ { course: 'bio101', mark: 85 } ]
– Mark Pegasov
Jun 13 '11 at 18:09
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C compiler for Windows? [closed]
...iler but would like a Windows solution. Any ideas? I've looked at Dev-C++ from Bloodshed but looking for more options.
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Bash ignoring error for a particular command
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More concisely:
! particular_script
From the POSIX specification regarding set -e (emphasis mine):
When this option is on, if a simple command fails for any of the reasons listed in Consequences of Shell Errors or returns an exit status value >0, and is ...
How to check if a variable is an integer in JavaScript?
...eger which is the case... in case of NaN also the type of NaN is different from the type of the return value of pareInt().....
– pranag
Feb 1 '13 at 15:21
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What does a just-in-time (JIT) compiler do?
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JIT is one step on the evolutionary path from hard-wiring mechanical switches to specifying search criteria by saying "OK Google" to your smart phone. The current JIT available as part of Java 7/8 is leaps and bounds beyond what was available as part of Java 2 -- th...
How to find out if a Python object is a string?
... Alternatively, you can use future (PyPI) to even keep the name: from past.builtins import basestring
– David Nemeskey
Feb 8 '17 at 14:25
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PHP equivalent of .NET/Java's toString()
... @Supuhstar Ah right, I finally understand where you're coming from. Sorry if I was being obtuse before. I agree that this is a relevant detail and it would be valuable to add it, perhaps separating the answer into 'Converting Primitives' and 'Converting Objects' sections with headers.
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What order are the Junit @Before/@After called?
...hange the name of the @Before method in the base class? This will save you from having to call to super in all the children...anyway good catch with the same names issue
– Lawrence Tierney
Nov 19 '14 at 10:17
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Why use iterators instead of array indices?
...mend iterators. The main reason why, is all the source code I've worked on from Desktop application development to game development have i nor have i needed to use iterators. All the time they have not been required and secondly the hidden assumptions and code mess and debugging nightmares you get w...
Case-insensitive search in Rails model
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@botbot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to se...