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Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...建一个测试用的表：
CREATE TABLE IF NOT EXISTS `test`.`t` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`a` varchar(10) NOT NULL,
`b` varchar(10) NOT NULL,
PRIMARY KEY (`id`),
KEY `a_b` (`a`,`b`)
) ENGINE=InnoDB;
注：理论上HandlerSocket支持MyISAM，InnoDB等各...
MongoDB, remove object from array
...
try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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Utilizing the GPU with c# [closed]
... OpenTK -- dead/Cloo) - many of these are just bindings - ie enable you to call the GPU from C#, but your kernel code (code which is actually run on the GPU) needs to be written in C or OpenCL, meaning you must use (and learn) another language.
As I said, I would recommend Cudafy over all the othe...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...tly edit the lock file.
Check out Bundler's Purpose and Rationale, specifically the Checking Your Code into Version Control section.
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What are dictionary view objects?
...he list of keys" (note too that "a reference to a list" is actually simply called a list, in Python, as lists are mutable objects). Also note that you can't directly edit views: instead, your still edit the dictionary, and the views reflect your changes immediately.
– Eric O L...
On a CSS hover event, can I change another div's styling? [duplicate]
When I hover over a div or class with an id of "a", can I get the background color of a div or class with the id of "b" to change?
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how can I add the aidl file to Android studio (from the in-app billing example)
...
Create new directory under src/main called aidl
Right click on directory aidl, select new->add package
Enter Name of the package com.android.vending.billing
Copy IInAppBillingService.aidl from the directory Android/Sdk/extras/google/play_billing to the dire...
Stop form refreshing page on submit
...
Basically, include event.preventDefault(); in your form submission handling code. A one-liner variant of what I put in my other comment (basically the same as the jQuery version) would be: document.getElementById("prospects_form"...
How to check whether a string is a valid HTTP URL?
... You may want to add more conditions to the uriResult.Scheme == ... Specifically https. It depends on what you need this for, but this small change was all I needed for it to work perfectly for me.
– Fiarr
Jan 22 '14 at 19:04
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How to change spinner text size and text color?
In my Android application, I am using spinner, and I have loaded data from the SQLite database into the spinner, and it's working properly. Here is the code for that.
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