大约有 41,760 项符合查询结果（耗时：0.0329秒） [XML]
Is using a lot of static methods a bad thing?
I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
Python str vs unicode types
Working with Python 2.7, I'm wondering what real advantage there is in using the type unicode instead of str , as both of them seem to be able to hold Unicode strings. Is there any special reason apart from being able to set Unicode codes in unicode strings using the escape char \ ?:
...
Does Haskell require a garbage collector?
I'm curious as to why Haskell implementations use a GC.
8 Answers
8
...
Performance differences between debug and release builds
I must admit, that usually I haven't bothered switching between the Debug and Release configurations in my program, and I have usually opted to go for the Debug configuration, even when the programs are actually deployed at the customers place.
...
mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get t
In my local/development environment, the MySQLi query is performing OK. However, when I upload it on my web host environment, I get this error:
...
Extract first item of each sublist
I am wondering what is the best way to extract the first item of each sublist in a list of lists and append it to a new list. So if I have:
...
Regex doesn't work in String.matches()
I have this small piece of code
9 Answers
9
...
Is there a way to create multiline comments in Python?
I have recently started studying Python , but I couldn't find how to implement multi-line comments. Most languages have block comment symbols like
...
Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
...
Storing time-series data, relational or non?
I am creating a system which polls devices for data on varying metrics such as CPU utilisation, disk utilisation, temperature etc. at (probably) 5 minute intervals using SNMP. The ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
...