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Reference: Comparing PHP's print and echo
...non-zero values (positive and negative) are truthy values and this derives from PHP's Perl legacy.
But, if this is the case, then one may wonder why echo take multiple arguments whereas print can only handle one. For this answer we need to turn to the parser, specifically the file zend_language_...
Why do we need break after case statements?
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Java comes from C and that is the syntax from C.
There are times where you want multiple case statements to just have one execution path.
Below is a sample that will tell you how many days in a month.
class SwitchDemo2 {
public st...
Backporting Python 3 open(encoding=“utf-8”) to Python 2
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A note from the porting howto: "Do not bother with the outdated practice of using codecs.open() as that’s only necessary for keeping compatibility with Python 2.5." docs.python.org/3/howto/pyporting.html
– Al...
Parcelable encountered IOException writing serializable object getactivity()
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@user2896762: In general, on Android, start from the bottom of the stack trace and work your way up to the last Caused by line. That's usually going to point to the specific problem. All the other stanzas of the stack trace represent wrapped exceptions around the "real...
Pretty printing XML in Python
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Not a fan of redefining xml there from being a module to the output object, but the method otherwise works. I'd love to find a nicer way to go from the core etree to pretty printing. While lxml is cool, there are times when I'd prefer to keep to the core if I...
Segmentation fault on large array sizes
...at the disasseble you will see the size of your local variables subtracted from the stack pointer. When you call malloc or calloc or any of the memory fuctions the fuctions go and find blocks of memory large enough to sataisfy your reqest.
– rerun
Dec 4 '09 at...
Recursively list files in Java
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How do I get an actual list of files from this?
– thouliha
Oct 9 '15 at 15:58
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What are the options for storing hierarchical data in a relational database? [closed]
...he hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be way to expensive to reach the Nirvana o...
Difference between Visual Basic 6.0 and VBA
... your project. You'll also not be able to create COM DLLs with VBA.
Apart from that, there is a difference in the IDE - the VB 6.0 IDE is more powerful in comparison. On the other hand, you have tight integration of the host application in VBA. Application-global objects (like "ActiveDocument") and...
How to do a scatter plot with empty circles in Python?
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From the documentation for scatter:
Optional kwargs control the Collection properties; in particular:
edgecolors:
The string ‘none’ to plot faces with no outlines
facecolors:
The string ‘none...