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Is inline assembly language slower than native C++ code?
...
Yes, most times.
First of all you start from wrong assumption that a low-level language (assembly in this case) will always produce faster code than high-level language (C++ and C in this case). It's not true. Is C code always faster than Java code? No becaus...
What is the difference between bottom-up and top-down?
...(1), but it doesn't need to recalculate fib(2), because we cached it.
This starts at the top of the tree and evaluates the subproblems from the leaves/subtrees back up towards the root.
Tabulation - You can also think of dynamic programming as a "table-filling" algorithm (though usually multidimens...
Passing variable number of arguments around
...t, ...)
{
char formatted_string[MAX_FMT_SIZE];
va_list argptr;
va_start(argptr,fmt);
format_string(fmt, argptr, formatted_string);
va_end(argptr);
fprintf(stdout, "%s",formatted_string);
}
share
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Can (domain name) subdomains have an underscore “_” in it?
... says "The labels must follow the rules for ARPANET host names. They must start with a letter, end with a letter or digit, and have as interior characters only letters, digits, and hyphen." Which part of that allows an underscore?
– claudekennilol
Sep 16 '16 ...
How do I get the first n characters of a string without checking the size or going out of bounds?
...the wheel...:
org.apache.commons.lang.StringUtils.substring(String s, int start, int len)
Javadoc says:
StringUtils.substring(null, *, *) = null
StringUtils.substring("", * , *) = "";
StringUtils.substring("abc", 0, 2) = "ab"
StringUtils.substring("abc", 2, 0) = ""
StringUtils.substr...
load scripts asynchronously
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I am about to start trying that out. but if I load those scripts on a different page when I redirect the page to a different page and that page happens to have the same scripts they should not take time to load. they should be in the cache...
Pretty-print an entire Pandas Series / DataFrame
...a function like this one. You can even configure it to load every time you start IPython: https://ipython.org/ipython-doc/1/config/overview.html
def print_full(x):
pd.set_option('display.max_rows', len(x))
print(x)
pd.reset_option('display.max_rows')
As for coloring, getting too elabo...
Error handling in Bash
...~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
function backtrace
{
local _start_from_=0
local params=( "$@" )
if (( "${#params[@]}" >= "1" ))
then
_start_from_="$1"
fi
local i=0
local first=false
while caller $i > /dev/null
do
if test ...
How to get a list of all files that changed between two Git commits?
...I need to get a list of all changed files in my repository for a report (I started with existing source code).
8 Answers
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How can I delete a service in Windows?
...administrator. You can do this by searching for the command prompt on your start menu and then right-clicking and selecting "Run as administrator". Note to PowerShell users: sc is aliased to set-content. So sc delete service will actually create a file called delete with the content service. To do t...