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Should each and every table have a primary key?
...nique index, you should declare it and get both logical consistency and performance.
See this article in my blog for why you should always create a unique index on unique data:
Making an index UNIQUE
P.S. There are some very, very special cases where you don't need a primary key.
Mostly they i...
how to edit .csproj file
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The CSPROJ file, saved in XML format, stores all the references for your project including your compilation options. There is also a SLN file which stores information about projects that make up your solution.
If you are using Visual Studio and have the ...
MVC 4 Razor File Upload
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Remember that the parameters of the Html.BeginForm are the action name and the controller name (without the 'controller' postfix. For instance: Home instead of HomeController). Another important thing is to not include the <form> tag inside, because is the BeginFor...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...OUR_CONSUMER_SECRET',
OAUTH_SIG_METHOD_HMACSHA1,
OAUTH_AUTH_TYPE_FORM
);
if (empty($_GET['oauth_verifier'])) {
$callback_url = "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
$request_token = $oauth->getRequestToken($request_token_url, $callback_url);
$_SE...
How can I add a class attribute to an HTML element generated by MVC's HTML Helpers?
...elements using HTML Helpers, for example @Html.ActionLink() , @Html.BeginForm() and so on.
2 Answers
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Twitter Bootstrap Form File Element Upload Button
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I couldn't get this to work on IE11 together with a FormData object. Somehow IE is ignoring the input field when it is inside a label element, and as a result the file data is not available from the FormData object.
– René
Mar 20 '15 at ...
Sending an HTTP POST request on iOS
...g with actual username and password.
NSString *post = [NSString stringWithFormat:@"Username=%@&Password=%@",@"username",@"password"];
2. Encode the post string using NSASCIIStringEncoding and also the post string you need to send in NSData format.
NSData *postData = [post dataUsingEncoding...
Simple argparse example wanted: 1 argument, 3 results
...rasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" .
...
Decompressing GZip Stream from HTTPClient Response
... }
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message);
return null;
}
}
//deserializes the string to a list. Utilizes JSON.net. RootObject is a class that contains the get and set for the JSON elements
public...
Remove border radius from Select tag in bootstrap 3
...odern browsers. The key is using appearance:none which removes the default formatting. Since all of the formatting is gone, you have to add back in the arrow that visually differentiates the select from the input. Note: appearance is not supported in IE.
Working example: https://jsfiddle.net/gs2q1c...