大约有 40,000 项符合查询结果（耗时：0.0741秒） [XML]
JavaScript style for optional callbacks
...
I personally prefer
typeof callback === 'function' && callback();
The typeof command is dodgy however and should only be used for "undefined" and "function"
The problems with the typeof !== undefined is that the user might pass in a value that is defined and not a fu...
Regex: Remove lines containing “help”, etc
...ve a long document of commands. Using Notepad++ or regex, I want to delete all lines containing "help" including keyboard_help, etc.
...
How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]
How to open a URL in new tab instead of new window programatically?
6 Answers
6
...
How do I create a round cornered UILabel on the iPhone?
...f the label to be a few pixels inset of the RoundRectView's bounds. (For example, label.frame = CGRectInset(roundRectView.bounds, 8, 8);)
You can place the RoundRectView on a view using Interface Builder if you create a generic UIView and then change its class using the inspector. You won't see th...
Meaning of @classmethod and @staticmethod for beginner? [duplicate]
...ect as the first parameter, whereas staticmethod can have no parameters at all.
Example
class Date(object):
def __init__(self, day=0, month=0, year=0):
self.day = day
self.month = month
self.year = year
@classmethod
def from_string(cls, date_as_string):
...
Best practices with STDIN in Ruby?
...ARGF is your friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do...
How do I see the commit differences between branches in git?
... branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could just do a
...
Mongoose, Select a specific field with find
... I think .select just is a filter to choose field after you get all of that, my recommendation is to use .find({}, 'name -_id')
– hong4rc
Mar 2 '19 at 16:15
...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
... the memory management rules for declared properties, too — more specifically, for declared properties’ accessors:
You take ownership of an object if you create it using a method whose name begins with “alloc”, “new”, “copy”, or “mutableCopy”.
A property named newTitle, whe...
AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
...checking which url is called. if(!config.url.includes('/oauth/v2/token') && config.url.includes('/api')){ // Call OAuth Service }. Therefor there is no more circular dependency. At least for myself it worked ;).
– Brieuc
Jun 2 '15 at 14:46
...