大约有 48,000 项符合查询结果（耗时：0.0431秒） [XML]
Understanding the Gemfile.lock file
...se dependencies,
and development dependencies are added by default to the group, :development
The Gemfile generated by rails plugin new my_plugin says something similar:
# Bundler will treat runtime dependencies like base dependencies, and
# development dependencies will be added by default to t...
Algorithm for creating a school timetable
...straints with regards to classrooms?, Are some of the classes split in sub-groups some of the time?, Is this a weekly schedule? etc.) there isn't a well known problem class which corresponds to all the scheduling problems. Maybe, the Knapsack problem has many elements of similarity with these probl...
What is the purpose of class methods?
...e a method, that don't need MyClass, but still in some way make sense if I group in other MyClass? I can think of move it to helper module though..
– swdev
Oct 11 '13 at 2:44
...
How can I import one Gradle script into another?
...projects {
sourceCompatibility = 1.5
targetCompatibility = 1.5
group = 'my.group'
version = '1.0'
uploadArchives {
uploadDescriptor = true
repositories {
add rootProject.repositories.destRepo
}
}
apply{ type my.group.gradle.api.plugins....
Regular expressions in C: examples?
...lixiang The last parameter to regcomp, cflags, is a bitmask. From pubs.opengroup.org/onlinepubs/009695399/functions/regcomp.html : "The cflags argument is the bitwise-inclusive OR of zero or more of the following flags...". If you OR-together zero, you'll get 0. I see that the Linux manpage for regc...
SQL - Select first 10 rows only?
...mes) > 0
WHERE b.post_date > DATE_SUB(CURDATE(), INTERVAL 1 DAY)
GROUP BY a.names
ORDER BY num DESC
FETCH FIRST 10 ROWS ONLY
If you want ties to be included, do FETCH FIRST 10 ROWS WITH TIES instead.
To skip a specified number of rows, use OFFSET, e.g.
...
ORDER BY num DESC
OFFSET 20
F...
Can you 'exit' a loop in PHP?
...anization as $oKey=>$department)
{
foreach($department as $dKey=>$group)
{
foreach($group as $gKey=>$employee)
{
if ($employee['fullname'] == $person)
{
$found = true;
break 3;
}
} // group
} // department
} // or...
Android: checkbox listener
...geListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
if (isChecked){
// perform logic
}
}
});
share
|
...
How to filter array in subdocument with MongoDB [duplicate]
...plying the $match so that you can filter individual elements and then use $group to put it back together:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $unwind: '$list'},
{ $match: {'list.a': {$gt: 3}}},
{ $group: {_id: '$_id', list: {$push: '$list...
Windows batch files: .bat vs .cmd?
...
From this news group posting by Mark Zbikowski himself:
The differences between .CMD and .BAT as far as CMD.EXE is concerned
are: With extensions enabled, PATH/APPEND/PROMPT/SET/ASSOC in .CMD
files will set ERRORLEVEL regardless o...