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Symfony 2: How do I check if a user is not logged in inside a template?

...ble can be a UserInterface object, any other object which implements a __toString() method or even a regular string.. I don't remember where I read that app.user returns "anon." string unfortunately and under what circumstances. – pzaj Apr 19 '17 at 14:37 ...
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AJAX Mailchimp signup form integration

...sult != "success") { // Something went wrong, parse data.msg string and display message } else { // It worked, so hide form and display thank-you message. } } }); return false; }); ...
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Generating Guids in Ruby

...random UUID, so it is not guaranteed as unique. If you just want a random string that is probably unique it will be okay to use this. However, if you want something that is guaranteed to be unique you will need to use something that includes the MAC address, timestamp, and et cetera. ...
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Understanding the main method of python [duplicate]

...n a file is being executed then __name__ is set to "__main__" (the literal string: __main__). This is almost always used to separate the portion of code which should be executed from the portions of code which define functionality. So Python code often contains a line like: #!/usr/bin/env python ...
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What are the rules about using an underscore in a C++ identifier?

..., mem, or wcs followed by a lowercase letter are reserved for additional string and array functions. Names beginning with PRI or SCN followed by any lowercase letter or X are reserved for additional format specifier macros Names that end with _t are reserved for additional type names. Whi...
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Why should hash functions use a prime number modulus?

... by taking the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be: (first char) + k * (second char)...
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Rename specific column(s) in pandas

...umns' (the axis argument was introduced in v0.21. Index.str.replace() for string/regex based replacement. If you need to rename ALL columns at once, DataFrame.set_axis() method with axis=1. Pass a list-like sequence. Options are available for in-place modification as well. rename with axis=1 d...
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error

... } public void checkClientTrusted(X509Certificate[] certs, String authType) { } public void checkServerTrusted(X509Certificate[] certs, String authType) { } } }; // Install the all-trusting trust manager SSLContext ...
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Binding a WPF ComboBox to a custom list

...st"; } } public class PhoneBookEntry { public string Name { get; set; } public PhoneBookEntry(string name) { Name = name; } public override string ToString() { return Name; } } public clas...
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What does “#define _GNU_SOURCE” imply?

...different Unix versions, so there is no single right content for, say, <string.h> — there are many standards (xkcd). There's a whole set of macros to pick your favorite one, so that if your program expects one standard, the library will conform to that. ...