大约有 5,000 项符合查询结果（耗时：0.0136秒） [XML]
大数据：用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...品特性去设定需要获取哪些数据。
我们拿最近很火的那个App——足记来举个例子吧。
“足记”因为一个非核心功能火了，但作为这样的应用，它会关注哪些数据呢？
从产品的层面，它会去关注：
1）App每日的打开数
2）各...
Terminating a script in PowerShell
I've been looking for a way to terminate a PowerShell (PS1) script when an unrecoverable error occurs within a function. For example:
...
Is MATLAB OOP slow or am I doing something wrong?
...of functions and methods. Here are some typical results.
>> call_nops
Computer: PCWIN Release: 2009b
Calling each function/method 100000 times
nop() function: 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction...
How to Remove ReadOnly Attribute on File Using PowerShell?
... Using PowerShell v2 I'm seeing hard-to-use CmdLet bindngs for sp. PSCX Set-Writable and Set-ReadOnly don't have those problems. I'll blog the problems I'm seeing and link to it later. I recommend Keith's answer for PowerShell v2 (modern PowerShell).
– yzorg
...
How do I get a list of column names from a psycopg2 cursor?
...s directly from the selected column names, and recall seeing that python's psycopg2 module supports this feature.
10 Answer...
How do I tell matplotlib that I am done with a plot?
The following code plots to two PostScript (.ps) files, but the second one contains both lines.
6 Answers
...
实战做项目如何选择开源许可协议（一）-了解协议 - 开源 & Github - 清泛网...
...于这个协议的项目，极大的提高了开源软件的数量。上面那个微博的案例，如果作者使用了GPL协议，而使用方所写代码的软件包再发布时没有公开源代码就是违反了协议(多谢Sunny2038纠正)。目前用的多的是GPLV1，GPLV2。这两个什么...
java.io.Console support in Eclipse IDE
I use the Eclipse IDE to develop, compile, and run my Java projects. Today, I'm trying to use the java.io.Console class to manage output and, more importantly, user input.
...
用Javascript获取页面元素的位置（全） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，这两个值未必相等。所以，我们需要取它们之中较大的那个值，因此要对getPagearea()函数进行改写。
function getPagearea(){
if (document.compatMode == "BackCompat"){
return {
width: Math.max(document.body.s...
Base 64 encode and decode example code
...encoded with Base64.encodeBytes(), here was my solution:
// encode
String ps = "techPass";
String tmp = Base64.encodeBytes(ps.getBytes());
// decode
String ps2 = "dGVjaFBhC3M=";
byte[] tmp2 = Base64.decode(ps2);
String val2 = new String(tmp2, "UTF-8");
Also, I'm supporting older versions of An...