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Difference between \w and \b regular expression meta characters
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It's more correct to say that it's the boundary between a word character and not a word character because it also matches between a word character and the start or end of a string if that character is at the start/end of the strin...
Is there a way to make R beep/play a sound at the end of a script?
...beepr and make a sound:
install.packages("beepr")
library(beepr)
beep()
More info at github: https://github.com/rasmusab/beepr
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Check if element is visible in DOM
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return (style.display === 'none')
}
Option #2 is probably a little more straightforward since it accounts for more edge cases, but I bet its a good deal slower, too, so if you have to repeat this operation many times, best to probably avoid it.
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How do I catch an Ajax query post error?
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Also, I way to make $.ajax more readable is to use a hash for your data. For example: { name : 'John', location: 'Boston' }
– briangonzalez
Jan 24 '13 at 15:56
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What is a plain English explanation of “Big O” notation?
..."Smith". If it happens to be "Smith, John", we just got really lucky. Far more likely is that "John Smith" will be before or after that name. If it's after we then divide the last half of the phone book in half and repeat. If it's before then we divide the first half of the phone book in half and...
How do I split a string by a multi-character delimiter in C#?
...it doesn't do what the question specifies. You have to use something a bit more clever to get the output specified. Now, whether what the question specified is actually what the asker wants is a different question, but the question asked here can't be answered trivially with just String.Split.
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How do I list all versions of a gem available at a remote site?
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@JoshuaCheek note that some shells like zsh have more advanced parsing and could catch the regex given in this way. To be more safe (if putting sth like that in a script or README) is to put it in a string so that we're sure we pass it 1-1, i.e. gem list '^rhc$' etc.
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Dialog to pick image from gallery or from camera
...ermission, then using this Intent as a fallback throws SecurityException. More info: plus.google.com/+AndroidDevelopers/posts/e9kyM7VXajz
– tasomaniac
Jan 12 '17 at 8:46
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What's the simplest way to test whether a number is a power of 2 in C++?
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When to create a new app (with startapp) in Django?
...were released publicly. This often encourages me to shrink the buckets and more clearly define its "purpose".
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