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“static const” vs “#define” vs “enum”
Which one is better to use among the below statements in C?
17 Answers
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What is @ModelAttribute in Spring MVC?
What is the purpose and usage of @ModelAttribute in Spring MVC?
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Concept behind these four lines of tricky C code
Why does this code give the output C++Sucks ? What is the concept behind it?
9 Answers
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MySQL: Fastest way to count number of rows
...takes in count column indexes, so it will be the best result. Mysql with MyISAM engine actually stores row count, it doensn't count all rows each time you try to count all rows. (based on primary key's column)
Using PHP to count rows is not very smart, because you have to send data from mysql to ph...
Conditionally start at different places in storyboard from AppDelegate
... storyboard set up with working login and main view controller, the latter is the view controller to which the user is navigated to when login is successful.
My objective is to show the main view controller immediately if the authentication (stored in keychain) is successful, and show the login view...
Django auto_now and auto_now_add
...the auto_now and auto_now_add arguments go away, and although they still exist, I feel you're better off just using a custom save() method.
So, to make this work properly, I would recommend not using auto_now or auto_now_add and instead define your own save() method to make sure that created is on...
What is 'Pattern Matching' in functional languages?
...ding about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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What is a columnar database?
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How do Columnar Databases work?
Columnar database is a concept rather a particular architecture/implementation. In other words, there isn't one particular description on how these databases work; indeed, several are build upon traditional, row-oriented, DBMS, simply storing...
How to bring back “Browser mode” in IE11?
...E11 preview; browser mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
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