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Can a Windows batch file determine its own file name?
... - expands %I to a file extension only
%~sI - expanded path contains short names only
%~aI - expands %I to file attributes of file
%~tI - expands %I to date/time of file
%~zI - expands %I to size of file
%~$PATH:I - searches the directories listed in the PATH
...
php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ecode($data）输出的是对象,而json_decode("$arr",true)是把它强制生成PHP关联数组.。
2.json_encode()
(PHP 5 >= 5.2.0, PECL json >= 1.2.0)
— 对变量进行 JSON 编码
说明：
string json_encode ( mixed $value [, int $options = 0 ] )
返回 value 值的 JSON 形...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
...hpcms 。）
是否接受通知：否（可选）
3、提交后，将生成新的应用ID。（记住这个应用ID，在”第三步“中将用到它。）
4、进入后台“站长”，“UCenter 设置”选项。"是否允许直接激活"一项，选择“是”。
第三步：配置 p...
Finding three elements in an array whose sum is closest to a given number
...fy the problem statement, instead we will search for aj and ak that sum to ai +S.
– Boolean
May 20 '11 at 14:59
3
...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
... every polynomial factors uniquely (ring of polynomials is an Euclidean domain), this means ai are uniquely determined, up to permutation.
This ends a proof that remembering powers is enough to recover the numbers. For constant k, this is a good approach.
However, when k is varying, the direct app...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...以让IT组织中原本孤立的各个方面集中在一起，比如自动生成 准确的业务应用系统组件关系视图、关系视图实时更新、准确掌握应用访问逻辑关系等。APM工具可以帮助那些原本一直局限于监控自身领域的管理员，使他们成 长为...
Find which commit is currently checked out in Git
...how.
git log -1.
Bash prompt.
git status.
git bisect visualize.
I'll explain each option in detail below.
Option 1: git show
As explained in this answer to the general question of how to determine which commit you currently have checked-out (not just during git bisect), you can use git show wit...
How are 3D games so efficient? [closed]
...timized instructions and special techniques exist when you're developing against a particular set of hardware, to enable even better speedups.
The other part of your question is why a demo uses so much CPU:
... while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ?
It's common fo...
Find a Git branch containing changes to a given file
I have 57 local branches. I know I made a change to a certain file in one of them, but I'm not sure which one. Is there some kind of command I can run to find which branches contain changes to a certain file?
...
Working with select using AngularJS's ng-options
...ect controls, and not just primitive types. For example:
app.controller('MainCtrl', function($scope) {
$scope.items = [
{ id: 1, name: 'foo' },
{ id: 2, name: 'bar' },
{ id: 3, name: 'blah' }
];
});
<div ng-controller="MainCtrl">
<select ng-model="selectedItem" ng...