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Are PHP short tags acceptable to use?
...A if you ever have to move your code to a server where it's not supported (and you can't enable it). As you say, lots of shared hosts do support shorttags but "lots" isn't all of them. If you want to share your scripts, it's best to use the full syntax.
I agree that <? and <?= are easier on p...
Breaking a list into multiple columns in Latex
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Using the multicol package and embedding your list in a multicols environment does what you want:
\documentclass{article}
\usepackage{multicol}
\begin{document}
\begin{multicols}{2}
\begin{enumerate}
\item a
\item b
\item c
\item d
...
Multi-line strings in PHP
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PHP has Heredoc and Nowdoc strings, which are the best way to handle multiline strings in PHP.
http://php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc
$str = <<<EOD
Example of string
spanning multip...
What is the difference between a mutable and immutable string in C#?
What is the difference between a mutable and immutable string in C#?
15 Answers
15
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How do I Moq a method that has an optional argument in its signature without explicitly specifying i
...e changes the default value of b to true? This will lead to failing tests (and rightfully so), but they will be more difficult to fix because of the hidden assumption that b is false. Explicitly specifying the bool parameter has another benefit: it improves the readability of your tests. Someone goi...
what is the difference between OLE DB and ODBC data sources?
I was reading a MS Excel help article about pivotcache and wonder what they mean by OLE DB and ODBC sources
11 Answers
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How to override to_json in Rails?
...def to_json(options)
...
end
Longer explanation of to_json, as_json, and rendering:
In ActiveSupport 2.3.3, as_json was added to address issues like the one you have encountered. The creation of the json should be separate from the rendering of the json.
Now, anytime to_json is called on an ...
Instantiate and Present a viewController in Swift
I started taking a look of the new Swift on Xcode 6 , and I tried some demo projects and tutorials. Now I am stuck at:
1...
psql invalid command \N while restore sql
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Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reason why COPY s...
How to extract epoch from LocalDate and LocalDateTime?
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The classes LocalDate and LocalDateTime do not contain information about the timezone or time offset, and seconds since epoch would be ambigious without this information. However, the objects have several methods to convert them into date/time obj...