大约有 48,000 项符合查询结果(耗时:0.0781秒) [XML]

https://stackoverflow.com/ques... 

Postgresql: password authentication failed for user “postgres”

I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
https://stackoverflow.com/ques... 

Creating an R dataframe row-by-row

...d like to construct a dataframe row-by-row in R. I've done some searching, and all I came up with is the suggestion to create an empty list, keep a list index scalar, then each time add to the list a single-row dataframe and advance the list index by one. Finally, do.call(rbind,) on the list. ...
https://stackoverflow.com/ques... 

How to skip “Loose Object” popup when running 'git gui'

...de which shows up that dialog. I found the hint_gc procedure which does it and the place where it is called. At the same time I noticed that late 2011 there was added a configuration option for disabling the dialog. This change (part of git-gui 0.16.0) was merged to Git's mainline on 2011-12-14. So...
https://stackoverflow.com/ques... 

Can't resize UIView in IB

... Thanks that's right. After I upgraded xcode and IB the status bar was on by default. The others have it at off. – Ayrad Jul 6 '09 at 15:49 1 ...
https://stackoverflow.com/ques... 

Persistence unit as RESOURCE_LOCAL or JTA?

...nough. JTA is also used for managing transactions across systems like JMS and JCA, but that's fairly exotic usage for most of us. To use JTA, you need support for it in your application server, and also support from the JDBC driver. ...
https://stackoverflow.com/ques... 

Bash set +x without it being printed

... I had the same problem, and I was able to find a solution that doesn't use a subshell: set -x command { set +x; } 2>/dev/null share | improve ...
https://stackoverflow.com/ques... 

Understanding the Gemfile.lock file

After running the bundle install command, 'Gemfile.lock ' is created in the working directory. What do the directives inside that file mean? ...
https://stackoverflow.com/ques... 

Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
https://stackoverflow.com/ques... 

What does git rev-parse do?

... git rev-parse is an ancillary plumbing command primarily used for manipulation. One common usage of git rev-parse is to print the SHA1 hashes given a revision specifier. In addition, it has various options to format this output such as --short for printing a shorter ...
https://stackoverflow.com/ques... 

“Bitmap too large to be uploaded into a texture”

I'm loading a bitmap into an ImageView, and seeing this error. I gather this limit relates to a size limit for OpenGL hardware textures (2048x2048). The image I need to load is a pinch-zoom image of about 4,000 pixels high. ...