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Remove useless zero digits from decimals in PHP
...966.70 + 0; // 966.7
Internally, this is equivalent to casting to float with (float)$num or floatval($num) but I find it simpler.
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How to delete a character from a string using Python
...s of how to create the new string. If you want to remove the 'M' wherever it appears:
newstr = oldstr.replace("M", "")
If you want to remove the central character:
midlen = len(oldstr)/2 # //2 in python 3
newstr = oldstr[:midlen] + oldstr[midlen+1:]
You asked if strings end with a special c...
How can I pass a parameter to a setTimeout() callback?
...passing a string as a 'function' when using setTimeout() or setInterval(), it's slower because it has to be evaluated and it just isn't right.
UPDATE:
As Hobblin said in his comments to the question, now you can pass arguments to the function inside setTimeout using Function.prototype.bind().
Exa...
dispatch_after - GCD in Swift?
I've gone through the iBook from Apple, and couldn't find any definition of it:
24 Answers
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How to get UTC timestamp in Ruby?
...tamp is exactly that: A point in time. This can be accurately represented with an object. If you need anything else, a scalar value, e.g. seconds since the Unix epoch, 100-ns intervals since 1601 or maybe a string for display purposes or storing the timestamp in a database, you can readily get that ...
Is it possible to have a multi-line comments in R? [duplicate]
... } blocks. The string will get evaluated and then discarded, so as long as it's not the last line in a function nothing will happen.
"This function takes a value x, and does things and returns things that
take several lines to explain"
doEverythingOften <- function(x) {
# Non! Comment it o...
Measuring code execution time
...ample code
System.Threading.Thread.Sleep(500);
stopwatch.Stop();
Console.WriteLine(stopwatch.ElapsedMilliseconds);
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Groovy Shell warning “Could not open/create prefs root node …”
...nnis answer is correct. However I would like to explain the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Soft...
Two divs, one fixed width, the other, the rest
...
margin-left: 10px;
border: 2px dashed #00f;
}
You can also do it with display: table, which is usually a better approach: How can I put an input element on the same line as its label?
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How do I convert a float number to a whole number in JavaScript?
...tvalue = Math.trunc( floatvalue );
Math object reference
Examples
Positive
// value=x // x=5 5<x<5.5 5.5<=x<6
Math.floor(value) // 5 5 5
Math.ceil(value) // 5 6 6
Math.round(value) // 5 5 ...