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What are the differences between Helper and Utility classes?
...becoming useless. Examples: Vector3, RandomNumberGenerator, StringMatcher, etc...
A "helper" seems to be any class whose design is to aid another class. These may or may not depend on your project. If you're creating a GameNetworkClient class, you could say the GameNetworkConnection class is a 'he...
What is an unsigned char?
...d since I posted this, you're better off using int8_t and uint8_t if you really want to represent small integers.
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How can I remove non-ASCII characters but leave periods and spaces using Python?
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You can filter all characters from the string that are not printable using string.printable, like this:
>>> s = "some\x00string. with\x15 funny characters"
>>> import string
>>> printable = set(string.printable)
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How to trigger a build only if changes happen on particular set of files
...s, I have a repositorie with multiple modules (domain, common, api, desktop_app,...) I want trigger a build for desktop_app for example, I put on the "included regions" production_app/*, I tried several combinations like ./desktop_app even absolute path. AndI always got Ignored commit c6e2b1dca0d188...
NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
...oSQL stores are, and how they go about providing scalability/data security etc. It's difficult to give an across-the-board answer as they really are all different and tackle things differently.
For MongoDb as an example, check out their Use Cases to see what they suggest as being "well suited" and ...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...roblem . After a long search I found a comment which had been ignored by all users pointing to the missing lib. Now, many months later, the comment has been changed to an answer. However, when I answered this question by msyself I intended to help other people by directly providing the solution. T...
drag drop files into standard html file input
...tainer and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here.
13 Answers
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Ruby function to remove all white spaces?
... question used the phrase "all whitespace", which includes tabs, newlines, etc. This proposed answer will not remove those other whitespace characters. As for "overly complex", I suggest comparing the simple regular expression to .delete(' ').delete('\t').delete('\n') ..., which is overly verbose an...
How does the const constructor actually work?
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Const constructor creates a "canonicalized" instance.
That is, all constant expressions begin canonicalized, and later these "canonicalized" symbols are used to recognize equivalence of these constants.
Canonicalization:
A process for converting data that has more than one possible rep...
How do I ignore ampersands in a SQL script running from SQL Plus?
...e code below:
set escape on
and put a \ beside & in the left 'value_\&_intert'
Att
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