大约有 35,450 项符合查询结果（耗时：0.0346秒） [XML]
How to access array elements in a Django template?
... I want to access individual elements of the array in the array (e.g. arr[0] , arr[1] ) etc. instead of looping through the whole array.
...
A better similarity ranking algorithm for variable length strings
...str1 varchar, str2 varchar)
RETURNS float8 AS '
str1.downcase!
pairs1 = (0..str1.length-2).collect {|i| str1[i,2]}.reject {
|pair| pair.include? " "}
str2.downcase!
pairs2 = (0..str2.length-2).collect {|i| str2[i,2]}.reject {
|pair| pair.include? " "}
union = pairs1.size + pairs2.size
inters...
How to pass parameters to a view
... use this.options.position.
UPDATE: As @mu is too short states, since 1.1.0, Backbone Views no longer automatically attach options passed to the constructor as this.options, but you can do it yourself if you prefer.
So in your initialize method, you can save the options passed as this.options:
in...
ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
...user WHERE User = 'root';
If you only see results with localhost and 127.0.0.1, you cannot connect from an external source. If you see other IP addresses, but not the one you're connecting from - that's also an indication.
You will need to add the IP address of each system that you want to grant ...
Bootstrap 3 offset on right not left
...
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<div class="container">
<div class="row">
<div class="col-xs-3 col-xs-offset-9">
I'm a right column of 3
</div>
</div>
<div class="row...
don't fail jenkins build if execute shell fails
...
To stop further execution when command fails:
command || exit 0
To continue execution when command fails:
command || true
share
|
improve this answer
|
follow
...
How do I print the elements of a C++ vector in GDB?
...
80
To view vector std::vector myVector contents, just type in GDB:
(gdb) print myVector
This wil...
How do I find out which settings.xml file maven is using
...
Use the Maven debug option, ie mvn -X :
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
Maven home: /usr/java/apache-maven-3.0.3
Java version: 1.6.0_12, vendor: Sun Microsystems Inc.
Java home: /usr/java/jdk1.6.0_12/jre
Default locale: en_US, platform encoding: UTF-8
OS n...
Equivalent of varchar(max) in MySQL?
...the table.
mysql> CREATE TABLE foo ( v VARCHAR(65534) );
ERROR 1118 (42000): Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs
But if we try decreasi...
How to check if an intent can be handled from some activity?
...
150
edwardxu's solution works perfectly for me.
Just to clarify a bit:
PackageManager packageManag...