大约有 41,731 项符合查询结果（耗时：0.0450秒） [XML]
What does %~d0 mean in a Windows batch file?
I'm looking at a batch file which defines the following variables:
9 Answers
9
...
Python String and Integer concatenation [duplicate]
I want to create string using integer appended to it, in a for loop. Like this:
9 Answers
...
Global variables in Java
How do you define Global variables in Java ?
23 Answers
23
...
do..end vs curly braces for blocks in Ruby
I have a coworker who is actively trying to convince me that I should not use do..end and instead use curly braces for defining multiline blocks in Ruby.
...
Python dictionary: Get list of values for list of keys
Is there a built-in/quick way to use a list of keys to a dictionary to get a list of corresponding items?
11 Answers
...
Why is printing to stdout so slow? Can it be sped up?
I've always been amazed/frustrated with how long it takes to simply output to the terminal with a print statement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
...
Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
JPA EntityManager: Why use persist() over merge()?
EntityManager.merge() can insert new objects and update existing ones.
15 Answers
15
...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
I am going to be starting up a new project at work and want to get into unit testing. We will be using Visual Studio 2008, C#, and the ASP.NET MVC stuff. I am looking at using either NUnit or the built-in test projects that Visual Studio 2008 has, but I am open to researching other suggestions. ...
What is a “bundle” in an Android application
What is a bundle in an Android application? When to use it?
12 Answers
12
...