大约有 5,240 项符合查询结果（耗时：0.0178秒） [XML]
psql: FATAL: database “” does not exist
I'm using the PostgreSql app for mac ( http://postgresapp.com/ ). I've used it in the past on other machines but it's giving me some trouble when installing on my macbook. I've installed the application and I ran:
...
MD5 algorithm in Objective-C
How to calculate the MD5 in Objective-C?
5 Answers
5
...
Printf width specifier to maintain precision of floating-point value
Is there a printf width specifier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
...
How to make a programme continue to run after log out from ssh? [duplicate]
I have a program that takes a lot of time to finish.
It is running as root over ssh.
I want it to continue to run after I logout,is this possible and how would I achieve this?
...
How to Parse Command Line Arguments in C++? [duplicate]
What is the best way of parsing command-line arguments in C++ if the program is specified
to be run like this:
10 Answers
...
How do I alias commands in git?
I saw a screencast where someone had gotten
22 Answers
22
...
How to get height of entire document with JavaScript?
Some documents I can't get the height of the document (to position something absolutely at the very bottom). Additionally, a padding-bottom on seems to do nothing on these pages, but do on the pages where height will return. Case(s) in point:
...
MIN and MAX in C
Where are MIN and MAX defined in C, if at all?
14 Answers
14
...
Git Bash is extremely slow on Windows 7 x64
I've been using Git on both Windows and Ubuntu during the development of a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow.
...
How to generate a random string in Ruby
I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z":
50 Answers
...