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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);
}
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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
...
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...
How to close TCP and UDP ports via windows command line
...it today for the purpose of closing specific sockets on a process that was started before CurrPorts was started. To do this you must run it as administrator, of course.
Note that it is probably not easily possible to cause a program to not listen on a port (well, it is possible but that capability ...