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How to echo shell commands as they are executed
... output loses the quoting information. You can't differentiate between cp "foo bar" baz and cp foo "bar baz", for example. So it's good for displaying progress information to a user; less so for debugging output or recording reproducible commands. Different use cases. In zsh, you can preserve quoti...
How do I profile memory usage in Python?
...;>> asizeof.asizeof(tuple('bcd'))
200
>>> asizeof.asizeof({'foo': 'bar', 'baz': 'bar'})
400
>>> asizeof.asizeof({})
280
>>> asizeof.asizeof({'foo':'bar'})
360
>>> asizeof.asizeof('foo')
40
>>> asizeof.asizeof(Bar())
352
>>> asizeof.asizeof(...
What's NSLocalizedString equivalent in Swift?
...SLocalizedString(key, comment: comment)
}
}
usage:
String.localize("foo.bar", comment: "Foo Bar Comment :)")
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Can two Java methods have same name with different return types? [duplicate]
...he return types are compatible.
For example:
public class A
{
Object foo() { return null; }
}
public class B
extends A
{
String foo() { return null; }
}
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Shell Script — Get all files modified after
...the last 7 days, use "+7".
find . -mtime -7 -print0 | xargs -0 tar -cjf /foo/archive.tar.bz2
As this page warns, xargs can cause the tar command to be executed multiple times if there are a lot of arguments, and the "-c" flag could cause problems. In that case, you would want this:
find . -mtim...
How to empty a list?
...ing that alist truly is a list. Say you got alist returned from a function foo(). You thought foo returned a list but indeed it returned a None. Using alist = [] cannot catch that mistake.
– aafulei
Sep 6 '19 at 2:05
...
MYSQL Truncated incorrect DOUBLE value
...me. A 'select * from t where id = 6503' worked okay but 'update t set a = "foo" where id = 6503' resulted in ERROR 1292 (22007): Truncated incorrect DOUBLE value: '234805557438#'. id looks like integer but was a varchar. Quoting the value in the update solved the problem. 'update t set a = "foo" ...
How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...will wrap anything you give it. If you want to wrap an instance of 'struct foo' called 'bar', you'd do '[NSValue valueWithBytes: &bar objCType: @encode(struct foo)];'
– Jim Dovey
May 24 '09 at 20:44
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How to call one shell script from another shell script?
... level of your project's directory - if ./.git/hooks/pre-commit has source foo, you had better have ./foo!
– Athan Clark
Jun 6 '15 at 2:11
16
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Ruby - test for array
...
Using Array(foo) is much more efficient than [*foo]
– gregschlom
Jul 19 '16 at 18:41
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