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get size of json object

... check the size i.e. like that: var data = {one : 1, two : 2, three : 3}; _.size(data); //=> 3 _.keys(data); //=> ["one", "two", "three"] _.keys(data).length; //=> 3 share | improve this ...
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delegate keyword vs. lambda notation

... If you specify an anonymous method without specifying a parameter list at all it is compatible with any delegate type returning void and without any out parameters. Armed with this knowledge, we should be able to construct two overloads to make the expressions completely unambiguous but very differ...
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How to do a Jquery Callback after form submit?

... And if the <form> is submited usually ? (I mean not with Ajax) What can I put in the first argument of .bind() ? EDIT : well, I guess click. Nvm, sorry. :p – 4wk_ Feb 4 '13 at 13:32 ...
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How to specify data attributes in razor, e.g., data-externalid=“23151” on @this.Html.CheckBoxFor(…)

...heckBox", data_externalid = "23521" } ) The _ will automatically be converted to - in the resulting markup: <input type="checkbox" name="MyModel.MyBoolProperty" data-externalid="23521" class="myCheckBox" /> And that's true for all Html helpers taking a htmlAttributes anonymou...
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Python: Ignore 'Incorrect padding' error when base64 decoding

... of which were base64 without padding: import base64 import re def decode_base64(data, altchars=b'+/'): """Decode base64, padding being optional. :param data: Base64 data as an ASCII byte string :returns: The decoded byte string. """ data = re.sub(rb'[^a-zA-Z0-9%s]+' % altcha...
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How do I hide a menu item in the actionbar?

... Get a MenuItem pointing to such item, call setVisible on it to adjust its visibility and then call invalidateOptionsMenu() on your activity so the ActionBar menu is adjusted accordingly. Update: A MenuItem is not a regular view that's part of your layout. Its som...
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JSON formatter in C#?

... Cool! Looks like that was added in .NET Core 3.0 actually, which was released September 23, 2019 – mpen Aug 25 at 0:34 add a comment  |...
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@try - catch block in Objective-C

... All work perfectly :) NSString *test = @"test"; unichar a; int index = 5; @try { a = [test characterAtIndex:index]; } @catch (NSException *exception) { NSLog(@"%@", exception.reason); NSLog(@"Char at in...
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Using an if statement to check if a div is empty

...If a container has a very long HTML content? – techie_28 Jun 17 '16 at 10:07 add a comment  |  ...
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Convert .pem to .crt and .key

... Converting Using OpenSSL These commands allow you to convert certificates and keys to different formats to make them compatible with specific types of servers or software. Convert a DER file (.crt .cer .der) to PEM openssl x509 -inform der -in certificate.cer -o...