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Which is better option to use for dividing an integer number by 2?
... will never be an odd negative number or one doesn't care about off-by-one errors. Otherwise x=x/2; and x>>=1; have different meanings. If what one needs is the value computed by x>>=1, I would regard that as clearer than x = (x & ~1)/2 or x = (x < 0) ? (x-1)/2 : x/2, or any oth...
How can I use Bash syntax in Makefile targets?
...$@, but when I tried to do this, I got -bash: $@: ambiguous redirect as an error message, so you may want to look into that before you get too into this (though I'm using bash 3.2.something, so maybe yours works differently).
...
Slowing speed of Viewpager controller in android
... Hi, do you have any idea why scroller.setFixedDuration(5000); gives an error? It says "The method setFixedDuration(int) is undefined"
– jaibatrik
Dec 26 '12 at 17:12
6
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Expression Versus Statement
...dn't do anything... you had to assign it to a variable.
1 + 2 / X
is an error in FORTRAN, because it doesn't do anything. You had to do something with that expression:
X = 1 + 2 / X
FORTRAN didn't have a grammar as we know it today—that idea was invented, along with Backus-Naur Form (BNF), a...
XML parsing of a variable string in JavaScript
...lDoc.loadXML(xmlStr);
return xmlDoc;
};
} else {
throw new Error("No XML parser found");
}
Once you have a Document obtained via parseXml, you can use the usual DOM traversal methods/properties such as childNodes and getElementsByTagName() to get the nodes you want.
Example usage:...
T-SQL split string
...ible string length if < 32768>) to the outer query in order to avoid errors with recursion for strings > 100 characters. If that is also not a good alternative then see this answer as pointed out in the comments.
(Also, the delimiter will have to be NCHAR(<=1228). Still researching why....
Round to at most 2 decimal places (only if necessary)
...e result of an arithmetic operation, as it can swallow some floating point error delta.
It's not useful when the value comes from a direct source (e.g.: literal, user input or sensor).
EDIT (2019):
Like @maganap and some peoples have pointed out, it's best to add Number.EPSILON before multiplying...
Debugging iframes with Chrome developer tools
...nge to the right frame, this means you cannot see and inspect the logs and errors on load. Is there a way to tell the browser to not delete and show all logs from all frames or at least retain and show the console for the frame with all the old/previous output?
– Bizmate
...
CSS hexadecimal RGBA?
...cited to see this, and then tried it in devtools on Chrome 55. No dice, it errors as an invalid property value... ¯\_(ツ)_/¯
– ericsoco
Jan 18 '17 at 21:04
...
What does “@” mean in Windows batch scripts
...ng tool in more complex batch files as you can see what is run prior to an error message.
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