大约有 40,000 项符合查询结果（耗时：0.0387秒） [XML]
What is the difference between SQL, PL-SQL and T-SQL?
...e to operate on sets.
It is more or less standardized, and used by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural language used by Oracle
PL/pgSQL is a procedural language used by PostgreSQL
TSQL is a ...
Where do I use delegates? [closed]
What are some real world places that call for delegates? I'm curious what situations or patterns are present where this method is the best solution. No code required.
...
Does a finally block always get executed in Java?
Considering this code, can I be absolutely sure that the finally block always executes, no matter what something() is?
...
iOS 7: UITableView shows under status bar
...l view insets which do actually stop it from scrolling under, but at the cost of keeping the top of the table view under. I've attempted to set the UITableView frame to offset by 20 pixels, but it doesn't appear to take effect and as I currently need the app to be compatible with iOS 6 I can't ju...
What's the fundamental difference between MFC and ATL?
... long answer:
MFC was built in the early 90s to try out this new language called C++ and apply it to Windows. It made Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Office was ever ...
How do I match any character across multiple lines in a regular expression?
...P it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
share
|
improve this answer
|
follow
|
...
Viewing full version tree in git
...
You can try the following:
gitk --all
You can tell gitk what to display using anything that git rev-list understands, so if you just want a few branches, you can do:
gitk master origin/master origin/experiment
... or more exotic things like:
gitk --simp...
how to change default python version?
...even aware of which expect python=python2, and changing this would break those programs and scripts.
The answer you are probably looking for is You should not change this.
You could, however, make a custom alias in your shell. The way you do so depends on the shell, but perhaps you could do alias ...
How to recursively find the latest modified file in a directory?
...t seems that ls doesn't sort the files correctly when doing a recursive call:
21 Answers
...
What is the maximum length of a Push Notification alert text?
... thing the documentation says is:
In iOS 8 and later, the maximum size allowed for a notification payload is 2 kilobytes; Apple Push Notification Service refuses any notification that exceeds this limit. (Prior to iOS 8 and in OS X, the maximum payload size is 256 bytes.)
This is what I could ...