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Do you use NULL or 0 (zero) for pointers in C++?

...ded. That's less common these days. If you have to name the null pointer, call it nullptr; that's what it's called in C++11. Then, nullptr will be a keyword. That said, don't sweat the small stuff. share | ...
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How to get a tab character?

...) However, just like literal tabs (ones you type in to your text editor), all tab characters are treated as whitespace by HTML parsers and collapsed into a single space except those within a <pre> block, where literal tabs will be rendered as 8 spaces in a monospace font. ...
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Utility classes are evil? [closed]

...d object-oriented design, most classes should represent a single thing and all of its attributes and operations. If you are operating on a thing, that method should probably be a member of that thing. However, there are times when you can use utility classes to group a number of methods together ...
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Most efficient way to prepend a value to an array

...g-O performance if you are ok with modifying the array in-place. If you really can't mutate the original array then you would do something like the below snippet, which doesn't seem to be appreciably faster than your solution: a.slice().unshift(0); // Use "slice" to avoid mutating "a". [Edit 2] ...
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

...ey are exact representations of the image. Bitmap formats such as BMP generally are uncompressed, although there also are compressed BMP files as well. Lossy compression formats are generally suited for photographs. It is not suited for illustrations, drawings and text, as compression artifacts fro...
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Trust Store vs Key Store - creating with keytool

I understand that the keystore would usually hold private/public keys and the trust store only public keys (and represents the list of trusted parties you intend to communicate with). Well, that's my first assumption, so if that's not correct, I probably haven't started very well... ...
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How to update a single library with Composer?

I need to install only 1 package for my SF2 distribution (DoctrineFixtures). 8 Answers ...
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A simple scenario using wait() and notify() in java

...imple scenario i.e. tutorial that suggest how this should be used, specifically with a Queue? 6 Answers ...
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Clustered vs Non-Clustered

... lower level knowledge of SQL (Server 2008) is limited, and is now being challanged by our DBAs. Let me explain (I have mentioned obvious statements in the hope that I am right, but if you see something wrong, please tell me) the scenario: ...
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How to stop an app on Heroku?

... your app you can scale the web dynos down to zero which effectively takes all your app http-processes offline. $ heroku ps:scale web=0 Scaling web processes... done, now running 0 share | improve...