大约有 10,700 项符合查询结果（耗时：0.0253秒） [XML]
Init method in Spring Controller (annotation version)
...
You can use
@PostConstruct
public void init() {
// ...
}
share
|
improve this answer
|
follow
...
Git merge without auto commit
...
@PineappleUndertheSea Fast forwards never cause conflicts. In case of "real" merge without fast forward the --no-commit switch is effective only if no conflict occurs, in case of conflict git will never auto-commit.
– gronostaj
...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
... but I forgot to add a few not null constraints. I've googled around but I can't find how to write a migration which adds not null to an existing column.
...
Static fields on a null reference in Java
...
That behaviour is specified in the Java Language Specification:
a null reference may be used to access a class (static) variable without causing an exception.
In more details, a static field evaluation, such as Primary.staticField works as follows (emphasis mine) - in your c...
What is the best way to count “find” results?
...
Note that you can shave off a few more nanoseconds by not quoting the dot in -printf '.'
– Jens
Mar 27 '13 at 16:42
6
...
How can I install MacVim on OS X?
...nstall homebrew from here: http://brew.sh
Step 1.1. Run export PATH=/usr/local/bin:$PATH
Step 2. Run brew update
Step 3. Run brew install vim && brew install macvim
Step 4. Run brew link macvim
You now have the latest versions of vim and macvim managed by brew. Run brew update && b...
How to execute a java .class from the command line
...your classpath ( where java looks for .class definitions )
If that's the case and listing the contents of your dir displays:
Echo.java
Echo.class
Then any of this may work:
java -cp . Echo "hello"
or
SET CLASSPATH=%CLASSPATH;.
java Echo "hello"
And later as Fredrik points out you'll g...
SQL query to get all values a enum can have
...ove query will be myenum. Depending on what you are doing, you may need to cast to text. e.g.
SELECT unnest(enum_range(NULL::myenum))::text
If you want to specify the column name, you can append AS my_col_name.
Credit to Justin Ohms for pointing out some additional tips, which I incorporated...
Escape regex special characters in a Python string
Does Python have a function that I can use to escape special characters in a regular expression?
6 Answers
...
Difference between jQuery’s .hide() and setting CSS to display: none
...ll be hidden immediately, with no animation. This is roughly equivalent to calling .css('display', 'none'), except that the value of the display property is saved in jQuery's data cache so that display can later be restored to its initial value. If an element has a display value of inline, then is h...