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What does a tilde do when it precedes an expression?
I saw it in an answer, and I've never seen it before.
5 Answers
5
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What's the difference between TRUNCATE and DELETE in SQL
What's the difference between TRUNCATE and DELETE in SQL?
32 Answers
32
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Difference between := and = operators in Go
What is the difference between the = and := operators, and what are the use cases for them? They both seem to be for an assignment?
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Long vs Integer, long vs int, what to use and when?
Sometimes I see API's using long or Long or int or Integer , and I can't figure how the decision is made for that?
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Creating email templates with Django
...tory under email.txt:
Hello {{ username }} - your account is activated.
and an HTMLy one, stored under email.html:
Hello <strong>{{ username }}</strong> - your account is activated.
You can then send an e-mail using both those templates by making use of get_template, like this:
fr...
Storing time-series data, relational or non?
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Definitely Relational. Unlimited flexibility and expansion.
Two corrections, both in concept and application, followed by an elevation.
Correction
It is not "filtering out the un-needed data"; it is selecting only the needed data. Yes, of course, if you have an Ind...
Event system in Python
...raries to choose from, using very different terminology (events, signals, handlers, method dispatch, hooks, ...).
I'm trying to keep an overview of the above packages, plus the techniques mentioned in the answers here.
First, some terminology...
Observer pattern
The most basic style of event system ...
Is there a performance difference between i++ and ++i in C++?
We have the question is there a performance difference between i++ and ++i in C?
17 Answers
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What is the purpose of mock objects?
I am new to unit testing, and I continously hear the words 'mock objects' thrown around a lot. In layman's terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
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How to send password securely over HTTP?
If on a login screen user submits a form with his username and password, the password is sent in plain text (even with POST, correct me if I am wrong).
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