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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Smarty中date_format日期格式化详解在php的smarty模板中date_format是对由php提供过来的时间秒进行转换成日期了，那么date_format函数到底怎么用有什么格式，我们一起来看看。...在php的smarty模板中date_format是对由php提供过来的时间秒进行...
Regex - Should hyphens be escaped? [duplicate]
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Correct on all fronts. Outside of a character class (that's what the "square brackets" are called) the hyphen has no special meaning, and within a character class, you can place a hyphen as the first or last character in the range (e.g....
Join strings with a delimiter only if strings are not null or empty
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.filter(Boolean) (which is the same as .filter(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If your definition of "empty" is different, then you'll have to provide it, for example:
[...].filter(x => typeof x === 'string' && x.length > 0)
wi...
transform object to array with lodash
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You can do
var arr = _.values(obj);
For documentation see here.
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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Without the update-and-join notation (not all DBMS support that), use:
UPDATE QuestionTrackings
SET QuestionID = (SELECT QuestionID
FROM AnswerTrackings
WHERE AnswerTrackings.AnswerID = QuestionTrackings.AnswerID)
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'git' is not recognized as an internal or external command
...SERNAME>\AppData\Local\GitHub\PortableGit_8810fd5c2c79c73adcc73fd0825f3b32fdb816e7\cmd
Expand this path, and add it to PATH.
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Hidden features of Perl?
What are some really useful but esoteric language features in Perl that you've actually been able to employ to do useful work?
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Keyboard shortcuts with jQuery
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Since this question was originally asked, John Resig (the primary author of jQuery) has forked and improved the js-hotkeys project. His version is available at:
http://github.com/jeresig/jquery.hotkeys
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Python decorators in classes
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Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "normal call"
test ...
Single script to run in both Windows batch and Linux Bash?
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Actually, I find that # 2>NUL & ECHO Welcome to %COMSPEC%. manages to hide the error about the # command not being found by cmd. This technique is useful when you need to write a standalone line that will only be executed ...