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In where shall I use isset() and !empty()
I read somewhere that the isset() function treats an empty string as TRUE , therefore isset() is not an effective way to validate text inputs and text boxes from a HTML form.
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How to split a sequence into two pieces by predicate?
How do I split a sequence into two lists by a predicate?
6 Answers
6
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How to create a new branch from a tag?
I'd like to create a new master branch from an existing tag. Say I have a tag v1.0 . How to create a new branch from this tag?
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Zoom in on a point (using scale and translate)
I want to be able to zoom in on the point under the mouse in an HTML 5 canvas, like zooming on Google Maps . How can I achieve that?
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Use StringFormat to add a string to a WPF XAML binding
I have a WPF 4 application that contains a TextBlock which has a one-way binding to an integer value (in this case, a temperature in degrees Celsius). The XAML looks like this:
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Overlaying histograms with ggplot2 in R
I am new to R and am trying to plot 3 histograms onto the same graph.
Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off.
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How can I get the executing assembly version?
I am trying to get the executing assembly version in C# 3.0 using the following code:
6 Answers
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Java 8: performance of Streams vs Collections
I'm new to Java 8. I still don't know the API in depth, but I've made a small informal benchmark to compare the performance of the new Streams API vs the good old Collections.
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Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
18
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Email validation using jQuery
I'm new to jQuery and was wondering how to use it to validate email addresses.
35 Answers
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