大约有 45,000 项符合查询结果（耗时：0.0938秒） [XML]
git-upload-pack: command not found, when cloning remote Git repo
I have been using git to keep two copies of my project in sync, one is my local box, the other the test server.
This is an issue which occurs when I log onto our remote development server using ssh;
...
PHP best way to MD5 multi-dimensional array?
...tioned prior, the following will work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as (1) json_encode alone performs faster than serialize, and (2) json_encod...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
It is possible to create a primary key or unique index within a SQL Server CREATE TABLE statement. Is it possible to create a non-unique index within a CREATE TABLE statement?
...
Create an empty object in JavaScript with {} or new Object()?
...
Objects
There is no benefit to using new Object(); - whereas {}; can make your code more compact, and more readable.
For defining empty objects they're technically the same. The {} syntax is shorter, neater (less Java-ish), and allows you to instan...
findViewById in Fragment
...ragment. However, the findViewById method only works if I extend an Activity class. Is there anyway of which I can use it in Fragment as well?
...
How do I make a column unique and index it in a Ruby on Rails migration?
...umn unique in Ruby on Rails migration script. What is the best way to do it? Also is there a way to index a column in a table?
...
Return first N key:value pairs from dict
...ch keys were inserted first.
You can get any n key-value pairs though:
n_items = take(n, d.iteritems())
This uses the implementation of take from the itertools recipes:
from itertools import islice
def take(n, iterable):
"Return first n items of the iterable as a list"
return list(isli...
How to find index of all occurrences of element in array?
...arameter that specifies the index to start searching from, so you can call it in a loop to find all instances of a particular value:
function getAllIndexes(arr, val) {
var indexes = [], i = -1;
while ((i = arr.indexOf(val, i+1)) != -1){
indexes.push(i);
}
return indexes;
}
v...
When should I use cross apply over inner join?
...SS APPLY
CROSS APPLY works better on things that have no simple JOIN condition.
This one selects 3 last records from t2 for each record from t1:
SELECT t1.*, t2o.*
FROM t1
CROSS APPLY
(
SELECT TOP 3 *
FROM t2
WHERE t2.t1_id = t1.id
ORDER BY
...
How can I push a specific commit to a remote, and not previous commits?
I have made several commits on different files, but so far I would like to push to my remote repository only a specific commit.
...