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Vim delete blank lines
What command can I run to remove blank lines in Vim?
14 Answers
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How to match all occurrences of a regex
Is there a quick way to find every match of a regular expression in Ruby? I've looked through the Regex object in the Ruby STL and searched on Google to no avail.
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What Does Question Mark Mean in Xcode Project Navigator?
In the project navigator in Xcode, I am not sure what the ? is trying to tell me next to the file name.
7 Answers
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How to get highcharts dates in the x axis?
...way to get dates on the x-axis for Highcharts? Can't find it in their documentation: http://www.highcharts.com/ref/#xAxis--type
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Best practice to validate null and empty collection in Java
I want to verify whether a collection is empty and null . Could anyone please let me know the best practice.
9 Answers
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Solving “Who owns the Zebra” programmatically?
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Here's a solution in Python based on constraint-programming:
from constraint import AllDifferentConstraint, InSetConstraint, Problem
# variables
colors = "blue red green white yellow".split()
nationalities = "Norwegian German Dane Swede English".split()
pets ...
Add custom messages in assert?
Is there a way to add or edit the message thrown by assert? I'd like to use something like
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Rounded UIView using CALayers - only some corners - How?
In my application - there are four buttons named as follows:
14 Answers
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Git fast forward VS no fast forward merge
Git merge allow us to perform fast forward and no fast fast forward branch merging. Any ideas when to use fast forward merge and when to use no fast forward merge?
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Detecting iOS / Android Operating system
I've done some research, and this question has come up, but not in the way I intend. I'm building a page for a client that is a QR code landing, which is a place to download an application. So he doesn't have to print out 2 QR codes on a page, I'd like to detect the current operating system (Apple...