大约有 48,000 项符合查询结果（耗时：0.0745秒） [XML]
What is the advantage to using bloom filters?
...t least the
data items themselves, which can
require anywhere from a small number
of bits, for small integers, to an
arbitrary number of bits, such as for
strings (tries are an exception, since
they can share storage between
elements with equal prefixes). Linked
structures incur an a...
Default behavior of “git push” without a branch specified
... line. Possible values are:
nothing: do not push anything
matching: push all matching branches
All branches having the same name in both ends are considered to be matching.
This used to be the default, but not since Git 2.0 (simple is the new default).
upstream: push the current branch to its up...
All but last element of Ruby array
...re_ext.rb file with little extensions like this. Some libraries are practically all extensions like this: ActiveSupport for example.
– rfunduk
Oct 22 '09 at 0:30
...
Abstract class in Java
...h the inheriting subclass must implement.
Provide a common interface which allows the subclass to be interchanged with all other subclasses.
Here's an example:
abstract public class AbstractClass
{
abstract public void abstractMethod();
public void implementedMethod() { System.out.print("...
Highlight text similar to grep, but don't filter out text [duplicate]
...ack. Checkout its --passthru option here: ack. It has the added benefit of allowing full perl regular expressions.
$ ack --passthru 'pattern1' file_name
$ command_here | ack --passthru 'pattern1'
You can also do it using grep like this:
$ grep --color -E '^|pattern1|pattern2' file_name
$ comma...
Using union and order by clause in mysql
...
select *
from (
select 1 as Rank, id, add_date from Table
union all
select 2 as Rank, id, add_date from Table where distance < 5
union all
select 3 as Rank, id, add_date from Table where distance between 5 and 15
) a
order by rank, id, add_date desc
...
Remove folder and its contents from git/GitHub's history
...les from git history'
git gc
git push origin master --force
What git actually does:
The first line iterates through all references on the same tree (--tree-filter) as HEAD (your current branch), running the command rm -rf node_modules. This command deletes the node_modules folder (-r, without -r,...
@AspectJ pointcut for all methods of a class with specific annotation
I want to monitor all public methods of all Classes with specified annotation (say @Monitor) (note: Annotation is at class level). What could be a possible pointcut for this?
Note: I am using @AspectJ style Spring AOP.
...
git - skipping specific commits when merging
...
If you want to merge most but not all of the commits on branch "maint" to "master", for instance, you can do this. It requires some work---- as mentioned above, the usual use case is to merge everything from a branch--- but sometimes it happens that you made ...
How to view corresponding SQL query of the Django ORM's queryset?
...
You also can use python logging to log all queries generated by Django. Just add this to your settings file.
LOGGING = {
'disable_existing_loggers': False,
'version': 1,
'handlers': {
'console': {
# logging handler that outputs log...