大约有 5,213 项符合查询结果（耗时：0.0331秒） [XML]
How to search through all Git and Mercurial commits in the repository for a certain string?
I have a Git repository with few branches and dangling commits. I would like to search all such commits in repository for a specific string.
...
Turning multi-line string into single comma-separated
Let's say I have the following string:
17 Answers
17
...
Use of undeclared identifier 'kUTTypeMovie'
I am getting the error message - Use of undeclared identifier 'kUTTypeMovie'
6 Answers
...
Simple argparse example wanted: 1 argument, 3 results
The documentation for the argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this...
How to get all possible combinations of a list’s elements?
I have a list with 15 numbers in, and I need to write some code that produces all 32,768 combinations of those numbers.
27...
psql: FATAL: Ident authentication failed for user “postgres”
I have installed PostgreSQL and pgAdminIII on my Ubuntu Karmic box.
23 Answers
23
...
Strings as Primary Keys in SQL Database [closed]
I am not very familiar with databases and the theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
...
How to get first 5 characters from string [duplicate]
How to get first 5 characters from string using php
5 Answers
5
...
Throwing cats out of windows
Imagine you're in a tall building with a cat. The cat can survive a fall out of a low story window, but will die if thrown from a high floor. How can you figure out the longest drop that the cat can survive, using the least number of attempts?
...
How does this print “hello world”?
I discovered this oddity:
9 Answers
9
...