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How can I print literal curly-brace characters in python string and also use .format on it?

... The OP wrote this comment: I was trying to format a small JSON for some purposes, like this: '{"all": false, "selected": "{}"}'.format(data) to get something like {"all": false, "selected": "1,2"} It's pretty common that the "escaping braces" issue comes up when dealing with J...
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Is it good practice to use java.lang.String.intern()?

...tail. (In a nutshell: It returns a canonical representation of the string, allowing interned strings to be compared using == ) ...
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Error message Strict standards: Non-static method should not be called statically in php

... to public static function getInstanceByName($name=''){ if you want to call them statically. Note that static methods (and Singletons) are death to testability. Also note that you are doing way too much work in the constructor, especially all that querying shouldn't be in there. All your const...
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How to use `string.startsWith()` method ignoring the case?

... The big problem here is the performance. For small Strings no problem, but if you have a big one... I mean... Do you really will do a toUpperCase in a 1mb String just to compare 4-10 inicial characters? – Dyorgio Apr 7 '16 at 16:52 ...
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Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]

...he class. So, you must write: from serial import Serial You need to install serial module correctly: pip install pyserial. share | improve this answer | follow ...
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preferredStatusBarStyle isn't called

...llowed this thread to override -preferredStatusBarStyle , but it isn't called. Are there any options that I can change to enable it? (I'm using XIBs in my project.) ...
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How to get a list of user accounts using the command line in MySQL?

...RE user='someuser' and host='somehost'; If you do DELETE FROM mysql.user;, all users are gone. Logins after the next mysql restart or FLUSH PRIVILEGES; eliminate users from memory. Here is an example of one of my posts on doing DELETE FROM mysql.user responsibly : dba.stackexchange.com/questions/461...
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What is the difference between statically typed and dynamically typed languages?

I hear a lot that new programming languages are dynamically typed but what does it actually mean when we say a language is dynamically typed vs. statically typed? ...
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jQuery UI sliders on touch devices

... Now I can move the slider-handle all over the page!! This is ridiculous. – dezman May 24 '13 at 15:17 ...
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]

...us side, it is one undocumented, an unsupported, "throw the code over the wall and do an I|O presentation on it" library. EDIT - Volley is now officially supported by Google. Kindly refer Google Developer Guide From what I've read, seems like OkHTTP is the most robust of the 3 Retrofit uses O...