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Difference between malloc and calloc?
...tage of the OS's guarantee.
This means calloc memory can still be "clean" and lazily-allocated, and copy-on-write mapped to a system-wide shared physical page of zeros. (Assuming a system with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should...
How do you remove an array element in a foreach loop?
... callback instead of the value ARRAY_FILTER_USE_BOTH - pass both value and key as arguments to callback instead of the value Default is 0 which will pass value as the only argument to callback instead. That said, reading the answer again in this case of course it would not matter as you claim....
How to set commands output as a variable in a batch file
...
FOR /F "tokens=* USEBACKQ" %%F IN (`command`) DO (
SET var=%%F
)
ECHO %var%
I always use the USEBACKQ so that if you have a string to insert or a long file name, you can use your double quotes without screwing up the command.
Now if your output will contain mult...
Android: TextView: Remove spacing and padding on top and bottom
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setIncludeFontPadding (boolean includepad)
or in XML this would be:
android:includeFontPadding="false"
Set whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent. The default is true.
...
What is a smart pointer and when should I use one?
What is a smart pointer and when should I use one?
14 Answers
14
...
Getting the class name of an instance?
...
This is used often enough in logging, orm and framework code that there really should be a builtin typename(x) ... requiring a user to look at the "guts" to get a name isn't terribly pythonic, IMO.
– Erik Aronesty
Apr 18 '18 at ...
What is the difference among col-lg-*, col-md-* and col-sm-* in Bootstrap?
What is the difference among col-lg-* , col-md-* and col-sm-* in Twitter Bootstrap?
11 Answers
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Index (zero based) must be greater than or equal to zero
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Here, when I run this query. In command Line it doesn't print the last line like "Hello Parag Patel" but it is showing error "System.FormatException occurred Message=Index (zero based) must be greater than or equal to zero and less than the size of the argument...
removeEventListener on anonymous functions in JavaScript
..., or put it in a variable so you have a reference to it.
var t = {};
var handler = function(e) {
t.scroll = function(x, y) {
window.scrollBy(x, y);
};
t.scrollTo = function(x, y) {
window.scrollTo(x, y);
};
};
window.document.addEventListener("keydown", handler);
Y...
When should I use the “strictfp” keyword in java?
...rict expressions must be
those predicted by IEEE 754 arithmetic
on operands represented using single
and double formats. Within an
expression that is not FP-strict, some
leeway is granted for an
implementation to use an extended
exponent range to represent
intermediate results; the n...