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Check whether an array is empty [duplicate]
I have the following code
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ListView inside ScrollView is not scrolling on Android
I am having trouble with a scrolling ListView inside a ScrollView . I have an Activity which has some EditTexts in the top part and then a tab host with two tabs which have one ListView each. When the EditText views are focused, the soft keyboard comes up and as I have a ScrollView, the content ...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
I'm seeing this in some code, and I have no idea what it does:
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What's the difference between SortedList and SortedDictionary?
Is there any real practical difference between a SortedList<TKey,TValue> and a SortedDictionary<TKey,TValue> ? Are there any circumstances where you would specifically use one and not the other?
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How to use sed to replace only the first occurrence in a file?
I would like to update a large number of C++ source files with an extra include directive before any existing #includes. For this sort of task, I normally use a small bash script with sed to re-write the file.
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Numpy first occurrence of value greater than existing value
I have a 1D array in numpy and I want to find the position of the index where a value exceeds the value in numpy array.
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How do I programmatically set the value of a select box element using JavaScript?
I have the following HTML <select> element:
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How do you get the length of a list in the JSF expression language?
How would I get the length of an ArrayList using a JSF EL expression?
7 Answers
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What are all the common ways to read a file in Ruby?
What are all the common ways to read a file in Ruby?
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string c_str() vs. data()
I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
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