大约有 44,000 项符合查询结果(耗时:0.0538秒) [XML]
How does a language expand itself? [closed]
I am learning C++ and I've just started learning about some of Qt 's capabilities to code GUI programs. I asked myself the following question:
...
How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
I am currently making an app that will have multiple timers, which are basically all the same.
4 Answers
...
Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
...
How are feature_importances in RandomForestClassifier determined?
I have a classification task with a time-series as the data input, where each attribute (n=23) represents a specific point in time. Besides the absolute classification result I would like to find out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feat...
Is there a performance gain in using single quotes vs double quotes in ruby?
Do you know if using double quotes instead of single quotes in ruby decreases performance in any meaningful way in ruby 1.8 and 1.9.
...
Java: difference between strong/soft/weak/phantom reference
... understand it.
Please give me some advice along with examples when describing the concepts.
7 Answers
...
How to set variables in HIVE scripts
I'm looking for the SQL equivalent of SET varname = value in Hive QL
9 Answers
9
...
What is the purpose of “return await” in C#?
Is there any scenario where writing method like this:
7 Answers
7
...
How to create a file in memory for user to download, but not through server?
...xt file on the client side and prompt the user to download it, without any interaction with the server?
I know I can't write directly to their machine (security and all), but can I create and prompt them to save it?
...
How do I split a string by a multi-character delimiter in C#?
What if I want to split a string using a delimiter that is a word?
10 Answers
10
...
