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Rails migration for has_and_belongs_to_many join table
...acher
for rails 3:
rails generate migration students_teachers student_id:integer teacher_id:integer
for rails < 3
script/generate migration students_teachers student_id:integer teacher_id:integer
(note the table name lists both join tables in alphabetical order)
and then for rails 3 ...
What does it mean by buffer?
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Buffer means 'temporary storage'. Buffers are important in computing because interconnected devices and systems are seldom 'in sync' with one another, so when information is sent from one system to another, it has somewhere to wait ...
Copy multiple files in Python
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I think you mean overwrite, not override
– Mohammad ElNesr
Feb 15 '18 at 10:46
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
... not related to Core Data. It's not a sync system, it's a transfer system. Meaning that any time you want to read/write cloud data, you need to make explicit CloudKit API calls to do so. Nothing happens automatically. CloudKit does not store data on the device, so the data is not available if the de...
What is a “static” function in C?
...tion unit).
EDIT: For those who thought, that the author of the questions meant a 'class method': As the question is tagged C he means a plain old C function. For (C++/Java/...) class methods, static means that this method can be called on the class itself, no instance of that class necessary.
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Difference between & and && in Java? [duplicate]
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Jeffrey, 'bitwise' doesn't mean 'evaluates both operands'. It means 'operates on each bit separately'.
– Marquis of Lorne
Nov 30 '13 at 20:11
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Mocking Extension Methods with Moq
...e testable, it's ... useless. Build it to be testable, which in some cases means rewriting code (and using wrappers), and then build the automated tests that test it.
– Michael Plautz
Dec 22 '17 at 4:35
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Find first element in a sequence that matches a predicate
...e and read the docs and the ifilter uses the "yield" method. I assume this means that the predicate is lazily evaluated as we go. i.e, we dont run the predicate through the entire list because I have a predicate function that is a bit expensive and I want to only iterate till the point where we find...
How can I open several files at once in Vim?
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What does the :n means? Looking into vim's help only points me to "repeat the last pattern" .. which I understand is the keystroke. Is there a way to get help for command mode only?
– U0001
Sep 2 '11 at ...
How do I accomplish an if/else in mustache.js?
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But that's going against the whole meaning of logicless templating. If that's what you want to do, you want logical templating and you should not use Mustache, though do give it yourself a fair chance of learning this concept ;)
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