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Detect if an input has text in it using CSS — on a page I am visiting and do not control?

...ute (that CSS sees), is not the same as the node's value property (Changed by the user or DOM javascript, and submitted as form data). Unless you care only about the initial state, you must use a userscript or Greasemonkey script. Fortunately this is not hard. The following script will work in Ch...
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Convert int to char in java

...out.println(b); Here, we used '0' because chars are actually represented by ASCII values. '0' is a char and represented by the value of 48. We typed (a + '0') and in order to add these up, Java converted '0' to its ASCII value which is 48 and a is 1 so the sum is 49. Then what we did is: (char)...
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Is it possible to decrypt MD5 hashes?

...hash function (and most of them contain more than 128 bits, or a measly 16 bytes). So there are actually an infinite number of possibilities for data that would hash to the same value. The thing that makes hashes interesting is that it is incredibly difficult to find two pieces of data that hash to ...
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How do you log server errors on django sites

... 'level': 'ERROR', # But the emails are plain text by default - HTML is nicer 'include_html': True, }, # Log to a text file that can be rotated by logrotate 'logfile': { 'class': 'logging.handlers.WatchedFileHandler', ...
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Is it possible to make an ASP.NET MVC route based on a subdomain?

... You can do it by creating a new route and adding it to the routes collection in RegisterRoutes in your global.asax. Below is a very simple example of a custom Route: public class ExampleRoute : RouteBase { public override RouteData ...
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How to get the current URL within a Django template?

... As commented in other answers by @Quentin and @user you should include urlencode if you plan to use it in a link, typically: .../accounts/login?next={{ request.get_full_path | urlencode }}... – Tadeo Jun 24 at 15:05 ...
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How to detect when cancel is clicked on file input?

...f the input value changed. An example: var godzilla = document.getElementById('godzilla') godzilla.onclick = charge function charge() { document.body.onfocus = roar console.log('chargin') } function roar() { if(godzilla.value.length) alert('ROAR! FILES!') else alert('*empty whee...
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What are Bearer Tokens and token_type in OAuth 2?

...roof-of-possession). The Bearer Token or Refresh token is created for you by the Authentication server. When a user authenticates your application (client) the authentication server then goes and generates for your a Bearer Token (refresh token) which you can then use to get an access token. The Be...
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Enable bundling and minification in debug mode in ASP.NET MVC 4

... You can enable this by adding BundleTable.EnableOptimizations = true; in your RegisterBundles method (BundleConfig class in the App_Start folder). check http://www.asp.net/mvc/tutorials/mvc-4/bundling-and-minification for more info You coul...
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Multiple aggregations of the same column using pandas GroupBy.agg()

... You can simply pass the functions as a list: In [20]: df.groupby("dummy").agg({"returns": [np.mean, np.sum]}) Out[20]: mean sum dummy 1 0.036901 0.369012 or as a dictionary: In [21]: df.groupby('dummy').agg({'returns': ...