大约有 16,317 项符合查询结果（耗时：0.0365秒） [XML]
Which equals operator (== vs ===) should be used in JavaScript comparisons?
I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement.
...
How can I measure the speed of code written in PHP? [closed]
How can I say which class of many (which all do the same job) execute faster? is there a software to measure that?
10 Answe...
AngularJS : When to use service instead of factory
...value that is returned by
invoking the function reference (the return statement in factory).
ref: angular.service vs angular.factory
Second:
Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons!
Third:
Using one or the other (service or factory) is a...
What is the maximum possible length of a .NET string?
...re silent on this question as far as I can see, so an authoritative answer might require some knowledge of internals. Would the maximum change on a 64-bit system?
...
Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
...
How to generate and validate a software license key?
I'm currently involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "u...
Why use softmax as opposed to standard normalization?
In the output layer of a neural network, it is typical to use the softmax function to approximate a probability distribution:
...
Regular expression to match DNS hostname or IP Address?
Does anyone have a regular expression handy that will match any legal DNS hostname or IP address?
21 Answers
...
How do I record audio on iPhone with AVAudioRecorder?
...that have already been playing with the 3.0 SDK. I want to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the ...
Convert Mercurial project to Git [duplicate]
I need to convert a mercurial project to a git project, but I would like to keep the commit history intact. My current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
...