大约有 30,000 项符合查询结果（耗时：0.0448秒） [XML]
Update or Insert (<em>mem>ultiple rows and colu<em>mem>ns) fro<em>mem> subquery in PostgreSQL
I'<em>mem> trying to do so<em>mem>ething like this in postgres:
3 Answers
3
...
With GitHub how do I push all branches when adding an existing repo?
I created a new GitHub repo - I want to put <em>mem>y existing repo there.
I followed the instructions:
2 Answers
...
how to get first three characters of an NSString?
...
<em>mem>ystr=[<em>mem>ystr substringToIndex:3];
Be sure your string has atleast 3 ch.. o.e. it will crash the app.
Here are so<em>mem>e other links to check NSsting operations...
Link1
Link2
Apple Link
...
Can I use <em>mem>ultiple “with”?
Just for exa<em>mem>ple:
2 Answers
2
...
What is the <em>mem>axi<em>mem>u<em>mem> length of data I can put in a BLOB colu<em>mem>n in <em>Mem>ySQL?
What is the <em>mem>axi<em>mem>u<em>mem> length of data I can put in a BLOB colu<em>mem>n in <em>Mem>ySQL?
3 Answers
3
...
Find the extension of a filena<em>mem>e in Ruby
I'<em>mem> working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answ...
Setting the Vi<em>mem> background colors
When I try to change the background colors in .vi<em>mem>rc or directly in Vi<em>mem> using the co<em>mem><em>mem>and:
4 Answers
...
How do I show a <em>Mem>ySQL warning that just happened?
I just ran a si<em>mem>ple <em>Mem>ySQL CREATE TABLE state<em>mem>ent that produced the line
3 Answers
3
...
Does running git init twice initialize a repository or reinitialize an existing repo?
...
Fro<em>mem> the git docs:
Running git init in an existing repository is safe. It will not overwrite things that are already there. The pri<em>mem>ary reason for rerunning git init is to pick up newly added te<em>mem>plates.
...
Reuse a para<em>mem>eter in String.for<em>mem>at?
Does the hello variable need to be repeated <em>mem>ultiple ti<em>mem>es in the call to the for<em>mem>at <em>mem>ethod or is there a shorthand version that lets you specify the argu<em>mem>ent once to be applied to all of the %s tokens?
...