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Designing function f(f(n)) == -n
...move the integer that doesn't have a positive counterpart, we still have 2(mod4) numbers.
If we remove the 2 maximal numbers left (by abs value), we can get the function:
int sign(int n)
{
if(n>0)
return 1;
else
return -1;
}
int f(int n)
{
if(n==0) return 0;
sw...
How to send a command to all panes in tmux?
...ession, replace -a with -s (It's all in the tmux man page).
I haven't the mod points to comment directly on each of the above answers, so here's why they weren't working for me:
The problem that I had with @shailesh-garg 's answer was that the sync affected only commands issued within the panes, n...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
I want to enable HTML5 mode for my app. I have put the following code for the configuration, as shown here :
24 Answers
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What are the Ruby File.open modes and options?
Ruby's File.open takes modes and options as arguments. Where do I find a complete list of modes and options?
2 Answers
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WWW or not WWW, what to choose as primary site name? [closed]
... 301 redirect to correct the invalid. For an Apache webserver, you can use mod_rewrite to do that.
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How can I apply a function to every row/column of a matrix in MATLAB?
...nctions — bitand, bitor, bitxor
Elementary math functions — max, min, mod, rem, hypot, atan2, atan2d
For example, you can calculate the mean of each column in a matrix A,
and then subtract the vector of mean values from each column with A -
mean(A).
Previously, this functionality...
Java Timestamp - How can I create a Timestamp with the date 23/09/2007?
...lendar, & SimpleDateFormat.
The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.
To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.
You may exchange java.time objects directly w...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
... @Uri: Depends on your HTTP server. With Apache, you'll want to look into mod_headers.
– ssokolow
Apr 8 '11 at 0:37
4
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How to programmatically empty browser cache?
...othing works on latest Chrome.
Finally, I ended up with .htaccess:
<IfModule mod_headers.c>
Header set Cache-Control "no-cache, no-store, must-revalidate"
Header set Pragma "no-cache"
Header set Expires 0
</IfModule>
Tested in Chrome, Firefox, Opera
Reference: https://wp...
Does Python have a ternary conditional operator?
...ing concepts. A convincing argument is the % operator, mimicking the way "mod" is used in math would have been a disaster. So no, I don't accept your argument. It is like adhering to imperial units. Groetjes Albert
– Albert van der Horst
Jun 17 '18 at 12:50
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