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Does making a struct volatile make all its members volatile?
...volving the object
because the value of the object might
be changed by means undetectable by an
implementation. See 1.9 for detailed
semantics. In general, the semantics
of volatile are intended to be the
same in C + + as they are in C. ]
That means, if your object is an instance of a ...
PDO's query vs execute
...once, and then can be passed different parameters at each execution. Which means you can do:
$sth = $db->prepare("SELECT * FROM table WHERE foo = ?");
$sth->execute(array(1));
$results = $sth->fetchAll(PDO::FETCH_ASSOC);
$sth->execute(array(2));
$results = $sth->fetchAll(PDO::FETCH_...
.NET 4.0 has a new GAC, why?
%windir%\Microsoft.NET\assembly\ is the new GAC . Does it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
...
How to parse freeform street/postal address out of text, and into components
...to understand a few things about addresses.
Addresses are not regular
This means that regular expressions are out. I've seen it all, from simple regular expressions that match addresses in a very specific format, to this:
/\s+(\d{2,5}\s+)(?![a|p]m\b)(([a-zA-Z|\s+]{1,5}){1,2})?([\s|,|.]+)?(([a-zA-Z|...
What format string do I use for milliseconds in date strings on iPhone?
...y for something figuratively; you can still do it, but that's changing the meaning of the word.
– Liggliluff
Nov 7 '19 at 10:42
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foldl versus foldr behavior with infinite lists
...ecause it is lazy, nothing is evaluated until the result is required. This means that to compute any part of the result, Haskell first iterates through the entire list constructing an expression of nested function applications, then evaluates the outermost function, evaluating its arguments as neede...
How to validate an email address using a regular expression?
...involves sending that address a message that includes a confirmation token meant to be entered on the same web page as was the address.
Confirmation tokens are the only way to know you got the address of the person entering it. This is why most mailing lists now use that mechanism to confirm sign-...
How to destroy a DOM element with jQuery?
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Delete is fine. It just means that block won't be optimized by the JS engine. In most cases, that is entirely irrelevant. When it becomes an issue, then you look for ways around using delete. Not before.
– Charlie Martin
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How to append rows to an R data frame
...NTO, it has to REINDEX, which is O(n), where n is the number of rows. This means that insert into a SQL database one row at a time is O(n^2). SQLite can be very fast, if you insert a whole data.frame at once, but it's not the best at growing line by line.
– Julian Zucker
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Calling a parent window function from an iframe
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@PrakharMishra Don't be confused. parent means parent.
– Sahu V Kumar
Mar 16 '17 at 10:02
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