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Reference: Comparing PHP's print and echo

...e should one wish to use print in a conditional expression. Why 1 and not 100? Well in PHP the truthiness of 1 or 100 is the same, i.e. true, whereas 0 in a boolean context equates as a false value. In PHP all non-zero values (positive and negative) are truthy values and this derives from PHP's Per...
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Rails: Custom text for rails form_for label

... answered Oct 22 '12 at 0:37 gylazgylaz 11.4k66 gold badges4747 silver badges5757 bronze badges ...
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Why is AJAX returning HTTP status code 0?

...application) the browser just stops uploading and returns status codes of 0 . Why does this happen? 20 Answers ...
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Why is DarkGray lighter than Gray?

...r to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%. Here's some more Wikipedia on the subject: Perhaps most unusual of the color clashes between X11 and W3C is the case of "Gray" and its variants. In HTML, "Gray" is specifically reserved for the 128 triplet (50% g...
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JavaScript DOM remove element

... | edited Dec 19 '14 at 20:28 Mark Amery 98.9k4848 gold badges336336 silver badges379379 bronze badges ...
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Maven project.build.directory

...e super pom. You find the jar here: ${M2_HOME}/lib/maven-model-builder-3.0.3.jar Open the jar with 7-zip or some other archiver (or use the jar tool). Navigate to org/apache/maven/model There you'll find the pom-4.0.0.xml. It contains all those "short cuts": <project> ... &lt...
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D3.js: How to get the computed width and height for an arbitrary element?

...().getBBox() you get values like { height: 5, width: 5, y: 50, x: 20 } For HTML elements Use selection.node().getBoundingClientRect() share | improve this answer | ...
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How to simulate a click by using x,y coordinates in JavaScript?

... answered Jul 18 '10 at 21:56 Andy EAndy E 300k7575 gold badges456456 silver badges436436 bronze badges ...
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Convert UTC to local time in Rails 3

... | edited Dec 1 '14 at 20:49 answered Mar 14 '11 at 15:23 ...
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How do I make a matrix from a list of vectors in R?

... [8,] 8 1 2 3 4 5 [9,] 9 1 2 3 4 5 [10,] 10 1 2 3 4 5 share | improve this answer | follow | ...