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What's the deal with a leading underscore in PHP class methods?
...ies I've noticed that a lot of people choose to prefix some class methods with a single underscore, such as
13 Answers
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LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
...g the appropriate one, depending on the expected results, improves readability.
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Nginx 403 forbidden for all files
I have nginx installed with PHP-FPM on a CentOS 5 box, but am struggling to get it to serve any of my files - whether PHP or not.
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How does push notification technology work on Android?
How has Google implemented their push notification feature? Does it work through polling done by a service running in the background or in a different way?
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When is it better to use String.Format vs string concatenation?
...code that is parsing an index value to determine a cell input into Excel. It's got me thinking...
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What is Scala's yield?
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It is used in sequence comprehensions (like Python's list-comprehensions and generators, where you may use yield too).
It is applied in combination with for and writes a new element into the resulting sequence.
Simple examp...
Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0.
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JUnit vs TestNG [closed]
At work we are currently still using JUnit 3 to run our tests. We have been considering switching over to JUnit 4 for new tests being written but I have been keeping an eye on TestNG for a while now. What experiences have you all had with either JUnit 4 or TestNG, and which seems to work better fo...
Difference between declaring variables before or in loop?
... to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
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