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Thou shalt not inherit from std::vector

...ld suggest doing that only if it is really necessary. Only if you can't do what you want with free functions (e.g. should keep some state). The problem is that MyVector is a new entity. It means a new C++ developer should know what the hell it is before using it. What's the difference between std::...
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...ks. This probably hadn't changed. I've changed my answer to better reflect what the spec says. – mercator Mar 13 '12 at 9:31 add a comment  |  ...
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How to create a file in memory for user to download, but not through server?

...ibute in order to have proper file name and extension and to tell your OS what to do with it. – elshnkhll Jan 15 '16 at 16:33  |  show 19 mor...
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What are JavaScript's builtin strings?

... @JanDvorak - I don't have FF at the moment. What does it evaluate to? If I may be so presumptuous as to ask, that is. – enhzflep Apr 12 '13 at 18:39 ...
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Why can a function modify some arguments as perceived by the caller, but not others?

...eters are names. When you call a function Python binds these parameters to whatever objects you pass (via names in a caller scope). Objects can be mutable (like lists) or immutable (like integers, strings in Python). Mutable object you can change. You can't change a name, you just can bind it to an...
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How to crop an image in OpenCV using Python

...nderstand that copying the region of interest is the best thing to do, but what about time consuming ? If i do copy() the ROI, compared to slicing, what would be the result ?. Also, If I have a variable tmp in which I store each picture I load from my computer, the slicing shouldn't have a bad impac...
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Boolean Field in Oracle

... from bananas Advantages of 'Y'/'N': Takes up less space than 0/1 It's what Oracle suggests, so might be what some people are more used to Another poster suggested 'Y'/null for performance gains. If you've proven that you need the performance, then fair enough, but otherwise avoid since it mak...
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Why is this jQuery click function not working?

... The document ready function sets up the listeners based on what it finds on the page. If you don't do this, they are never set up. The best way to do this, however, is to delegate them with the "on()" function, instead. That way any elements added to the page after load will still...
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Get bitcoin historical data [closed]

...changes, too. EDIT: Since there are no column headers in the CSVs, here's what they are : column 1) the trade's timestamp, column 2) the price, column 3) the volume of the trade share | improve thi...
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Git: How to update/checkout a single file from remote origin master?

... @Mymozaaa The double dash designates that what follows is a file name. It's to prevent git from interpreting your file name as a branch in the unfortunate case you've got two with the same name. – Joel Mellon Apr 27 '16 at 18:36...