大约有 47,000 项符合查询结果(耗时:0.0826秒) [XML]
Enumerable.Empty() equivalent for IQueryable
When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() .
...
Can functions be passed as parameters?
In Java I can do something like
6 Answers
6
...
Which iomanip manipulators are 'sticky'?
I recently had a problem creating a stringstream due to the fact that I incorrectly assumed std::setw() would affect the stringstream for every insertion, until I changed it explicitly. However, it is always unset after the insertion.
...
Are there other whitespace codes like &nbsp for half-spaces, em-spaces, en-spaces etc useful in HTML
Wondering if there are other codes available to use in an HTML newsletter.
5 Answers
...
Pull request vs Merge request
What is the difference between a Pull request and a Merge request?
6 Answers
6
...
Creating and throwing new exception
How I can create and throw a new exception in PowerShell?
1 Answer
1
...
How to check if std::map contains a key without doing insert?
The only way I have found to check for duplicates is by inserting and checking the std::pair.second for false , but the problem is that this still inserts something if the key is unused, whereas what I want is a map.contains(key); function.
...
Python memory usage of numpy arrays
I'm using python to analyse some large files and I'm running into memory issues, so I've been using sys.getsizeof() to try and keep track of the usage, but it's behaviour with numpy arrays is bizarre. Here's an example involving a map of albedos that I'm having to open:
...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each element in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
Remove a character from the end of a variable
Bash auto completion appends a / at the end of a directory name. How I can strip this off from a positional parameter?
4 An...