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foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other.
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Only variables should be passed by reference
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Assign the result of explode to a variable and pass that variable to end:
$tmp = explode('.', $file_name);
$file_extension = end($tmp);
The problem is, that end requires a reference, because it modifies the internal representation of the array (i.e. i...
What special characters must be escaped in regular expressions?
I am tired of always trying to guess, if I should escape special characters like ' ()[]{}| ' etc. when using many implementations of regexps.
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recursion versus iteration
Is it correct to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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Logging levels - Logback - rule-of-thumb to assign log levels
... build large scale, high availability type systems, so my answer is biased towards looking at it from a production support standpoint; that said, we assign roughly as follows:
error: the system is in distress, customers are probably being affected (or will soon be) and the fix probably requires hu...
Is it possible to use JS to open an HTML select to show its option list? [duplicate]
Is it possible to use JavaScript to open an HTML select to show its option list?
11 Answers
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Representing null in JSON
...ut as always, it depends on what you're doing -- sometimes the "right" way to do it doesn't always work for your situation. Use your judgement and make an informed decision.
JSON1 {}
This returns an empty object. There is no data there, and it's only going to tell you that whatever key you're look...
Visual Studio 2010 shortcut to find classes and methods?
Is there any shortcut in Visual studio 2010 to find classes/interfaces?
7 Answers
7
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How to add local jar files to a Maven project?
How do I add local jar files (not yet part of the Maven repository) directly in my project's library sources?
31 Answers
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