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Looping over a list in Python
...only be 10 elements because we are starting our for loop from element with index 1 in list1 not from element with index 0 in list1
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Convert text into number in MySQL query
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This should work:
SELECT field,CONVERT(SUBSTRING_INDEX(field,'-',-1),UNSIGNED INTEGER) AS num
FROM table
ORDER BY num;
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Prevent body scrolling but allow overlay scrolling
... 0; bottom: 0;
}
[aria-hidden="true"] {
transition: opacity 1s, z-index 0s 1s;
width: 100vw;
z-index: -1;
opacity: 0;
}
[aria-hidden="false"] {
transition: opacity 1s;
width: 100%;
z-index: 1;
opacity: 1;
}
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...symbols just fine, so the code will compile fine.
But the code-completion/indexer or preprocessor Eclipse is using doesn't know where stdio.h exists.
You need to specify the filesystem path where stdio.h is located.
The Eclipse documentation describes this in several sections for the compiler:
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...` (
`coordinate` POINT NOT NULL,
/* Even from v5.7.5 you can define an index for it */
SPATIAL INDEX `SPATIAL` (`coordinate`)
) ENGINE=InnoDB;
/* then for insertion you can */
INSERT INTO `buildings`
(`coordinate`)
VALUES
(POINT(40.71727401 -74.00898606));
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Positive Number to Negative Number in JavaScript?
...ealize however, that for your code
if($this.find('.pdxslide-activeSlide').index() < slideNum-1){ slideNum = -slideNum }
console.log(slideNum)
If the index found is 3 and slideNum is 3,
then 3 < 3-1 => false
so slideNum remains positive??
It looks more like a logic error to me.
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What is size_t in C?
...size_t.
As an implication, size_t is a type guaranteed to hold any array index.
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How do I obtain the frequencies of each value in an FFT?
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I have used the following:
public static double Index2Freq(int i, double samples, int nFFT) {
return (double) i * (samples / nFFT / 2.);
}
public static int Freq2Index(double freq, double samples, int nFFT) {
return (int) (freq / (samples / nFFT / 2.0));
}
The input...
Limit number of characters allowed in form input text field
...work fine. So say if you wanted the values to be between 1-50 you could or all positive numbers, etc.
– b3verelabs
Dec 17 '11 at 14:34
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What is the most ridiculous pessimization you've seen? [closed]
... databases by (division/customer/product/etc.)
Resist adding columns to an index because it makes it too big.
Create lots of summary tables because recalculating from raw data is too slow.
Create columns with subfields to save space.
Denormalize into fields-as-an-array.
That's off the top of my he...