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Accessing inactive union member and undefined behavior?
...ce (other than answers claiming it's UB but without any support from the standard).
5 Answers
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Python way of printing: with 'format' or percent form? [duplicate]
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Use the format method, especially if you're concerned about Python 3 and the future. From the documentation:
The formatting operations described here are modelled on C's printf()
syntax. They only support formatting of certain builtin types. The
use of a binary operator means ...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
What will the command
7 Answers
7
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What is the difference between buffer and cache memory in Linux?
...ear what's the difference between the two Linux memory concepts : buffer and cache . I've read through this post and it seems to me that the difference between them is the expiration policy:
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Set default value of an integer column SQLite
I am creating an SQLite database in android.
3 Answers
3
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What is the maximum length of data I can put in a BLOB column in MySQL?
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In other words, BLOB ≈ 64KB, MEDIUMBLOB ≈ 16MB and LONGBLOB ≈ 4GB
– IvanRF
Oct 9 '15 at 16:02
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How to set the text color of TextView in code?
In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
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Does Python have a package/module management system?
...ood news! Python 3.4 ships with Pip. Pip has long been Python's de-facto standard package manager. You can install a package like this:
pip install httpie
Wahey! This is the best feature of any Python release. It makes the community's wealth of libraries accessible to everyone. Newbies are no lon...
What is Angular.noop used for?
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@abyrne85 It is more aesthetically pleasing and a good practice to use angular.noop as you always reuse the same empty function (instead of declaring a new anonymous function everytime). Performance-wise it makes no difference as the code for angular.noop is just an em...
When to use static vs instantiated classes
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This is quite an interesting question -- and answers might get interesting too ^^
The simplest way to consider things might be :
use an instanciated class where each object has data on its own (like a user has a name)
use a static class when it's just a tool that...