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What does auto&a<em>mem>p;&a<em>mem>p; tell us?
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By using auto&a<em>mem>p;a<em>mem>p;&a<em>mem>p;a<em>mem>p; var = &a<em>mem>p;lt;initializer&a<em>mem>p;gt; you are saying: I will accept any initializer regardless of whether it is an lvalue or rvalue expression and I will preserve its constness. This is typically used for forwarding (usually wit...
Where do you store your salt strings?
...per per-entry salt string when hashing passwords for database storage. For <em>mem>y needs, storing the salt in the DB next to the hashed password has always worked fine.
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How to declare a global variable in JavaScript?
...l variables in production code (which should be avoided) always declare the<em>mem> explicitly:
window.globalVar = "This is global!";
While it is possible to define a global variable by just o<em>mem>itting var (assu<em>mem>ing there is no local variable of the sa<em>mem>e na<em>mem>e), doing so generates an i<em>mem>plicit global, which...
What are copy elision and return value opti<em>mem>ization?
What is copy elision? What is (na<em>mem>ed) return value opti<em>mem>ization? What do they i<em>mem>ply?
4 Answers
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Can dplyr package be used for conditional <em>mem>utating?
Can the <em>mem>utate be used when the <em>mem>utation is conditional (depending on the values of certain colu<em>mem>n values)?
5 Answers
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How to deter<em>mem>ine the longest increasing subsequence using dyna<em>mem>ic progra<em>mem><em>mem>ing?
... I want to find the longest increasing subsequence of that set using dyna<em>mem>ic progra<em>mem><em>mem>ing.
19 Answers
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What is the <em>mem>ost robust way to force a UIView to redraw?
I have a UITableView with a list of ite<em>mem>s. Selecting an ite<em>mem> pushes a viewController that then proceeds to do the following. fro<em>mem> <em>mem>ethod viewDidLoad I fire off a URLRequest for data that is required by on of <em>mem>y subviews - a UIView subclass with drawRect overridden. When the data arrives fro<em>mem> the clo...
Is there a way to hide the scroll indicators in a UIScrollView?
...ose indicators disturb the user interaction. Can I subclass and override a <em>mem>ethod or do so<em>mem>ething si<em>mem>ilar to re<em>mem>ove the scroll indicators fro<em>mem> the scroll view?
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Handling colon in ele<em>mem>ent ID with jQuery
We are not able to access the div ele<em>mem>ent with ID "test: abc" in JS code using jQuery.
9 Answers
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How can I read and parse CSV files in C++?
...oad and use CSV file data in C++. At this point it can really just be a co<em>mem><em>mem>a-deli<em>mem>ited parser (ie don't worry about escaping new lines and co<em>mem><em>mem>as). The <em>mem>ain need is a line-by-line parser that will return a vector for the next line each ti<em>mem>e the <em>mem>ethod is called.
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