大约有 44,700 项符合查询结果（耗时：0.0616秒） [XML]
How to validate an email address in PHP
...pecs, but I have to warn you it is not an easy read by any stretch:
rfc5322
rfc5321
rfc3696
rfc6531 (allows unicode characters, although many clients / servers don't accept it)
Note that filter_var() is as already stated only available as of PHP 5.2. In case you want it to work with earlier vers...
Add legend to ggplot2 line plot
I have a question about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the three colors used. This is the code used
...
Android, How can I Convert String to Date?
...
From String to Date
String dtStart = "2010-10-15T09:27:37Z";
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
try {
Date date = format.parse(dtStart);
System.out.println(date);
} catch (ParseException e) {
e.printS...
How to make IntelliJ IDEA insert a new line at every end of file?
... |
edited Dec 7 '16 at 2:19
suriv
62588 silver badges1313 bronze badges
answered May 26 '13 at 16:22
...
Pandoc markdown page break
...and I do not have ANY experience with LaTeX, which combined with less than 2 week submission deadline makes it a good solution.
...
Why do stacks typically grow downwards?
I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one).
...
rspec 3 - stub a class method
I am upgrading from rspec 2.99 to rspec 3.0.3 and have converted instance methods to use allow_any_instance_of , but haven't figured out how to stub a class method. I have code like this:
...
How many concurrent requests does a single Flask process receive?
...
|
edited May 21 at 2:28
recoder
3511 silver badge77 bronze badges
answered Dec 18 '12 at 8:...
What are the differences between git remote prune, git prune, git fetch --prune, etc
...g. So, in short, git remote prune and git fetch --prune operate on number 2 above. For example, if you deleted a branch using the git web GUI and don't want it to show up in your local branch list anymore (git branch -r), then this is the command you should use.
To remove a local branch, you shoul...
How to create a drop-down list?
...
289
Best way to do it is:
Preview:
XML:
<Spinner
android:id="@+id/spinner1"
androi...