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Check if a string contains a number
Most of the questions I've found are biased on the fact they're looking for letters in their numbers, whereas I'm looking for numbers in what I'd like to be a numberless string.
I need to enter a string and check to see if it contains any numbers and if it does reject it.
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How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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Is std::vector copying the objects with a push_back?
After a lot of investigations with valgrind, I've made the conclusion that std::vector makes a copy of an object you want to push_back.
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Redis strings vs Redis hashes to represent JSON: efficiency?
I want to store a JSON payload into redis. There's really 2 ways I can do this:
3 Answers
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Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
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What is the difference between re.search and re.match?
What is the difference between the search() and match() functions in the Python re module ?
8 Answers
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How to create a file in Ruby
I'm trying to create a new file and things don't seem to be working as I expect them too. Here's what I've tried:
9 Answers...
Is there a better way to run a command N times in bash?
I occasionally run a bash command line like this:
19 Answers
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How can I get a resource content from a static context?
I want to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
Every time I mention slow performance of C++ standard library iostreams, I get met with a wave of disbelief. Yet I have profiler results showing large amounts of time spent in iostream library code (full compiler optimizations), and switching from iostreams to OS-specific I/O APIs and custom buffer...