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How to convert int to NSString?
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@DielsonSales some objects don't have stringValue, but all have description - so as a good practice it's better to get used to using description (NSNumber does, no need to worry here). Try this (description will print the date, but stringValue will cra...
python max function using 'key' and lambda expression
...an't use statements inside a lambda, only expressions are allowed.
What does max do?
max(a, b, c, ...[, key=func]) -> value
With a single iterable argument, return its largest item. With two or
more arguments, return the largest argument.
So, it simply returns the object that is t...
Putting license in each code file? [closed]
... it in each code file, but I see it on most open source projects. Should I do that same, or just include a single license outside the code?
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Set cursor position on contentEditable
...rs, but will probably fail in IE. I'm providing it as a starting point. IE doesn't support DOM Range.
var editable = document.getElementById('editable'),
selection, range;
// Populates selection and range variables
var captureSelection = function(e) {
// Don't capture selection outside edi...
Deleting Objects in JavaScript
...extra memory for each object.)
Since Javascript is garbage collected, you don't need to delete objects themselves - they will be removed when there is no way to refer to them anymore.
It can be useful to delete references to an object if you are finished with them, because this gives the garbage ...
Unix's 'ls' sort by name
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ls doesn't sort if -c1 specified: is there a way to get it to do so? (--sort=name doesn't seem to work)
– dhc
Jan 16 '15 at 19:01
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How to create war files
...deploydir} points to your Tomcat context deployment directory, that should do it. No?
– David Citron
Jun 18 '09 at 22:27
1
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How to delete a row by reference in data.table?
... over-allocates the vector of column pointers, as you know. The plan is to do something similar for rows and allow fast insert and delete. A row delete would use memmove in C to budge up the items (in each and every column) after the deleted rows. Deleting a row in the middle of the table would stil...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...acked.c -o packed.
(A program that uses a single struct rather than array doesn't reliably exhibit the problem, since the compiler can allocate the struct on an odd address so the x member is properly aligned. With an array of two struct foo objects, at least one or the other will have a misaligne...
System.currentTimeMillis vs System.nanoTime
... nanosecond-precise time, relative to some arbitrary point.
From the Java Documentation:
public static long nanoTime()
Returns the current value of the most precise available system timer, in nanoseconds.
This method can only be used to
measure elapsed time and is not
related to an...