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mongoDB/mongoose: unique if not null
...ield with a value of null, only multiple docs without an email field.
See http://docs.mongodb.org/manual/core/index-sparse/
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Which is best way to define constants in android, either static class, interface or xml resource?
...2017.
*/
public class Constant {
public static final String SERVER = "http://192.168.0.100/bs.dev/nrum";
// public static final String SERVER = "http://192.168.100.2/bs.dev/nrum";
public static final String API_END = SERVER + "/dataProvider";
public static final String NEWS_API = API...
Do we need semicolon at the end? [duplicate]
...( ;; ) and (3) when replacing would break the code, e.g.: a = b \n + c or $http(...) \n .success(...) would be an invalid code if the \n was replaced, so it simply is not.
– VinGarcia
Sep 15 '17 at 16:11
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Origin is not allowed by Access-Control-Allow-Origin
...elist your specific domain:
<?php header('Access-Control-Allow-Origin: http://example.com') ?>
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...distinguishable occurrences.
Take the ISO-8859-1 charset vs ISO-8859-15 ( http://en.wikipedia.org/wiki/ISO/IEC_8859-15#Changes_from_ISO-8859-1 )
There's only a handful of different characters, and to make it worse, they're represented by the same bytes. There is no way to detect, being given a str...
How To Accept a File POST
...
see http://www.asp.net/web-api/overview/formats-and-model-binding/html-forms-and-multipart-mime#multipartmime, although I think the article makes it seem a bit more complicated than it really is.
Basically,
public Task<Http...
项目管理实践教程二、源代码控制【Source Control Using VisualSVN Server ...
...修改配置文件来控制用户权限，另外如果要想以Web方式【http协议】访问，一般还要安装配置Apache，如果是新手，岂不是很头痛？而VisualSVN Serve集成了Subversion和Apache，省去了以上所有的麻烦。安装的时候SVN Server已经封装为windws se...
Disable hover effects on mobile browsers
...(i.e on a device with both mouse and touch interface).
Further Reading
http://jsfiddle.net/macfreek/24Z5M/. Test the above solution for yourself in this sandbox.
http://www.macfreek.nl/memory/Touch_and_mouse_with_hover_effects_in_a_web_browser. This same answer, with a bit more background.
https...
ASP.NET MVC controller actions that return JSON or partial html
...Include the JsonRequestBehavior.AllowGet; without this MVC was returning a HTTP 500 error (with dataType: json specified on the client).
Add cache: false to the $.ajax call, otherwise you will ultimately get HTTP 304 responses (instead of HTTP 200 responses) and the server will not process your requ...
How to add screenshot to READMEs in github repository?
...mbed an image that's hosted elsewhere, you can use a full URL
GitHub recommend that you use relative links with the ?raw=true parameter to ensure forked repos point correctly.
The raw=true parameter is there in order to ensure the image y...