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js/php判断终端类型:PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
...码如下:<script>function GetQueryString(name) { var reg = new RegEm>x m>p("(^|&)"+ name +"=([^&]*)(&|$)"); v 一般也可以在前端用js来判断访问终端,代码如下:
<script>
function GetQueryString(name) {
var reg = new RegEm>x m>p("(^|&)"+ name +"=([^&]*)(&|$)");
va...
Erratic hole type resolution
...combined with pattern matching on proofs provides a pretty nice Agda-like em>x m>perience in Haskell. For em>x m>ample:
2 Answers
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Getting the count of unique values in a column in bash
...order of count (highest count first). How would I accomplish this in a Linum>x m> command line environment?
5 Answers
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List all of the possible goals in Maven 2?
...you indicate in the command line is linked to the lifecycle of Maven. For em>x m>ample, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary information is available.
compil...
Is 0 a decimal literal or an octal literal?
...al literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lem>x m>.icon]
integer-literal:
decimal-literal integer-suffim>x m>opt
octal-literal integer-suffim>x m>opt
hem>x m>adecimal-literal integer-suffim>x m>opt
decimal-literal:
nonzero-digit
decimal-literal digit
octal-...
What Makes a Method Thread-safe? What are the rules?
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In the third em>x m>ample private string someValue; is not static so each instance will get a separate copy of that variable. So can you please em>x m>plain how this is not thread safe?
– Bharadwaj
Apr 3 '14 at...
How to make Visual Studio copy a DLL file to the output directory?
I have a Visual Studio C++ project that relies on an em>x m>ternal DLL file. How can I make Visual Studio copy this DLL file automatically into the output directory (debug/release) when I build the project?
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Pandas count(distinct) equivalent
...this is what you want:
table.groupby('YEARMONTH').CLIENTCODE.nunique()
Em>x m>ample:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 ...
What is the difference between Polymer elements and AngularJS directives?
On the Polymer Getting Started page, we see an em>x m>ample of Polymer in action:
10 Answers
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How do I create an empty array in YAML?
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Try using [], like:
empty_array: []
So in Ruby you have:
m>x m> = YAML::load("empty_array: []")
m>x m> # =&gt; {"empty_array" =&gt; []}
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