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Using std Namespace

...efined vector. I am always against using using namespace std;. It imports all sorts of names into the global namespace and can cause all sorts of non-obvious ambiguities. Here are some common identifiers that are in the std namespace: count, sort, find, equal, reverse. Having a local variable call...
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Default constructor vs. inline field initialization

...ference. However, if you do have explicit constructors, I'd prefer to put all initialization code into those (and chain them) rather than splitting it up between constructors and field initializers. share | ...
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How to search for occurrences of more than one space between words in a line

... Why are you using anchors at all? He's looking for spaces embedded somewhere in the lines. – Tim Pietzcker Sep 21 '10 at 9:43 ...
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Take a char input from the Scanner

... Actually its taking more than one character, but acting only on the first character – Ralph Dec 19 '12 at 2:39 ...
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How to get names of classes inside a jar file?

I have a JAR file and I need to get the name of all classes inside this JAR file. How can I do that? 12 Answers ...
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How to create a drop shadow only on one side of an element?

...; } <div id="box" class="box-shadow"></div> UPDATE 3 All my previous answers have been using extra markup to get create this effect, which is not necessarily needed. I think this a much cleaner solution... the only trick is playing around with the values to get the right positi...
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Why does one hot encoding improve machine learning performance?

...e. The three possible values of w×x are 0, w and 2×w. Either these three all lead to the same decision (they're all < b or ≥b) or "UK" and "French" lead to the same decision, or "French" and "US" give the same decision. There's no possibility for the model to learn that "UK" and "US" should b...
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How do you calculate log base 2 in Java for integers?

...ting-point to help with integer arithmetics, you have to be careful. I usually try to avoid FP calculations whenever possible. Floating-point operations are not exact. You can never know for sure what will (int)(Math.log(65536)/Math.log(2)) evaluate to. For example, Math.ceil(Math.log(1<<29...
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Sticky and NON-Sticky sessions

..., a session object is created and remains in the memory of the web server. All the requests from the client go to this web server and update this session object. If some data needs to be stored in the session object over the period of interaction, it is stored in this session object and stays there ...
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Height of status bar in Android [duplicate]

...I'm also asking if I can assume that the status bar has the same height in all devices. – hpique Aug 4 '10 at 22:19 17 ...