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Regex to check whether a string contains only numbers [duplicate]
I get false on both "123" and "123f" . I would like to check if the hash only contains numbers. Did I miss something?
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What are inline namespaces for?
...ief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution?
5 A...
How do I remove a property from a JavaScript object?
...edibly in-depth blog post about the delete statement on their blog, Understanding delete. It is highly recommended.
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How to exclude specific folders or files from validation in Eclipse?
...of malformed XML files used in unit tests to check if our application can handle them.
6 Answers
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define() vs. const
...d in const as well:
const BIT_5 = 1 << 5; // Valid since PHP 5.6 and invalid previously
define('BIT_5', 1 << 5); // Always valid
const takes a plain constant name, whereas define() accepts any expression as name. This allows to do things like this:
for ($i = 0; $i < 32; ++$i) {
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How can I pass arguments to a batch file?
I need to pass an ID and a password to a batch file at the time of running rather than hardcoding them into the file.
17 An...
Moving average or running mean
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UPD: more efficient solutions have been proposed by Alleo and jasaarim.
You can use np.convolve for that:
np.convolve(x, np.ones((N,))/N, mode='valid')
Explanation
The running mean is a case of the mathematical operation of convolution. For the running mean, you slide a win...
How do the Proxy, Decorator, Adapter, and Bridge Patterns differ?
I was looking at the Proxy Pattern, and to me it seems an awful lot like the Decorator, Adapter, and Bridge patterns. Am I misunderstanding something? What's the difference? Why would I use the Proxy pattern versus the others? How have you used them in the past in real world projects?
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How to generate and validate a software license key?
...eveloping a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the full version.
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Python: Find in list
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As for your first question: that code is perfectly fine and should work if item equals one of the elements inside myList. Maybe you try to find a string that does not exactly match one of the items or maybe you are using a float value which suffers from inaccuracy.
As for your se...