大约有 10,000 项符合查询结果（耗时：0.0172秒） [XML]
MongoDb query condition on comparing 2 fields
...can use a $where. Just be aware it will be fairly slow (has to execute Javascript code on every record) so combine with indexed queries if you can.
db.T.find( { $where: function() { return this.Grade1 > this.Grade2 } } );
or more compact:
db.T.find( { $where : "this.Grade1 > this.Grade2" } );...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
...ourse between both tables. This will work the first time you run the below script. The duplicate ID in table 1, will not insert...
If you run it the second time, you will get a
Violation of PRIMARY KEY constraint error
This is the code:
Insert into Table_2
Select distinct *
from Table_1
whe...
How to quietly remove a directory with content in PowerShell
...
@beppe9000: I believe, yes. In the recent scripts I am using Remove-Item -Recurse -Force $dir and it works.
– Michael Freidgeim
Apr 4 '16 at 10:56
...
Xcode source automatic formatting
... set the options the way you like them.
You can then add this custom user script to uncrustify the selected text:
#! /bin/sh
#
# uncrustify!
echo -n "%%%{PBXSelection}%%%"
/usr/local/bin/uncrustify -q -c /usr/local/share/uncrustify/geo_uncrustify.cfg -l oc+ <&0
echo -n "%%%{PBXSelection}%%%...
Last segment of URL in jquery
How do I get the last segment of a url? I have the following script which displays the full url of the anchor tag clicked:
...
Disallow Twitter Bootstrap modal window from closing
...static"
data-keyboard="false"
href="#">
OR if you are using JavaScript:
$('#myModal').modal({
backdrop: 'static',
keyboard: false
});
share
|
improve this answer
|
...
$.getJSON returning cached data in IE8
...
thanks Scunliffe! - i'm pretty new to javascript, ASP MVC has opened new horizons for me
– Andrew Harry
Nov 5 '08 at 23:39
...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
... -
require File.dirname(__FILE__) + '/../lib/usesguid'
Create migration script for UUID function as mentioned below to -
class CreateUuidFunction < ActiveRecord::Migration
def self.up
execute "create or replace function uuid() returns uuid as 'uuid-ossp', 'uuid_generate_v1' volatile str...
What techniques can be used to speed up C++ compilation times?
... on length
You can run the regular nm command and pipe it to your favorite script (AWK, Python, etc.) to sort the symbols based on their length. Based on our experience, this method identifies the largest trouble making candidates better than method 1.
Method 3 - Use Templight
"Templight is a Clang-...
Vim: Delete buffer without losing the split window
...oking for something like this which is so simple, not requiring and entire script to run it. In my VIMRC, I now have this mapped for CTRL+C: nnoremap <C-c> :bp\|bd #<CR>
– Cloud
Jul 12 '13 at 17:40
...