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Compare double to zero using epsilon
Today, I was looking through some C++ code (written by somebody else) and found this section:
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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
I've encountered the dreaded error-message, possibly through-painstaking effort, PHP has run out of memory:
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Get difference between two lists
I have two lists in Python, like these:
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UIImagePickerController error: Snapshotting a view that has not been rendered results in an empty sn
I am getting this error only in iOS 7 and the application crashed.
In iOS 6, I never get any error, just once of memory warning when opening the camera.
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Detecting endianness programmatically in a C++ program
Is there a programmatic way to detect whether or not you are on a big-endian or little-endian architecture? I need to be able to write code that will execute on an Intel or PPC system and use exactly the same code (i.e. no conditional compilation).
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How to get object size in memory? [duplicate]
I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable , or SortedList , or List<String> .
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Count rows with not empty value
In a Google Spreadsheet: How can I count the rows of a given area that have a value? All hints about this I found up to now lead to formulas that do count the rows which have a not empty content (including formula), but a cell with
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Test whether a glob has any matches in bash
If I want to check for the existence of a single file, I can test for it using test -e filename or [ -e filename ] .
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What does void* mean and how to use it?
Today when I was reading others' code, I saw something like void *func(void* i); , what does this void* mean here for the function name and for the variable type, respectively?
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How to create an array from a CSV file using PHP and the fgetcsv function
Can someone kindly provide a code to create an array from a CSV file using fgetcsv?
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