大约有 15,000 项符合查询结果（耗时：0.0276秒） [XML]
How do you split a list into evenly sized chunks?
I have a list of arbitrary length, and I need to split it up into equal size chunks and operate on it. There are some obvious ways to do this, like keeping a counter and two lists, and when the second list fills up, add it to the first list and empty the second list for the next round of data, but t...
Scala equivalent of Java java.lang.Class Object
The question is best explained by an example:
2 Answers
2
...
Echo tab characters in bash script
How do I echo one or more tab characters using a bash script?
When I run this code
10 Answers
...
How to search a specific value in all tables (PostgreSQL)?
Is it possible to search every column of every table for a particular value in PostgreSQL?
8 Answers
...
How can I get the max (or min) value in a vector?
How can I get the max (or min) value in a vector in C++ ?
10 Answers
10
...
Does it make sense to use “as” instead of a cast even if there is no null check? [closed]
In development blogs, online code examples and (recently) even a book, I keep stumbling about code like this:
13 Answers
...
Why would I ever use push_back instead of emplace_back?
C++11 vectors have the new function emplace_back . Unlike push_back , which relies on compiler optimizations to avoid copies, emplace_back uses perfect forwarding to send the arguments directly to the constructor to create an object in-place. It seems to me that emplace_back does everything p...
Enum ToString with user friendly strings
My enum consists of the following values:
23 Answers
23
...
How to convert an xml string to a dictionary?
I have a program that reads an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
...
Detect If Browser Tab Has Focus
Is there a reliable cross-browser way to detect that a tab has focus.
6 Answers
6
...