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Is there a performance difference between i++ and ++i in C?
...re the value of x.
Store value of i in register A // inefficient because extra instruction here, we already did this once.
Increment register A.
Store register A in i.
the compiler might as well produce the code more efficiently, such as:
Store value of i in register A.
Store address of array ...
See changes to a specific file using git
...s, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory.
...
This type of CollectionView does not support changes to its SourceCollection from a thread different
...); but it is giving syntax error. Look like Send method is expecting some callback method name. I have tried various options like delegate with parameter but it is not allowing to have my custom parameter. I am very new to this kind of syntax, so it would really helpful if you can provide me synta...
How do you remove a Cookie in a Java Servlet
...e, passing "/" as the strPath parameter.
public static Cookie eraseCookie(String strCookieName, String strPath) {
Cookie cookie = new Cookie(strCookieName, "");
cookie.setMaxAge(0);
cookie.setPath(strPath);
return cookie;
}
...
apt-get for Cygwin?
...
apt-cyg orks really well. Just installed rsync, openssh, mc and others.
– Jako
Feb 14 '13 at 0:51
9
...
Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
17...
resizes wrong; appears to have unremovable `min-width: min-content`
... you asking and self-answering as a new question, too. I'll try to do some extra testing this week and link to this answer if it works.
– Jordan Gray
Jun 29 '14 at 20:13
add a...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...wercase, and even UPPERCASE (which may occur in comments) versions
of your strings.
It's best to search for plural versions first, then singular. That
way if you have an irregular plural - such as in my merchants ::
businesses example - you can get all the irregular plurals correct.
Otherwise you ma...
How to determine whether a given Linux is 32 bit or 64 bit?
...wk '{print $2}'
Note: you can have a 64-bit CPU with a 32-bit kernel installed.
(as ysdx mentions in his/her own answer, "Nowadays, a system can be multiarch so it does not make sense anyway. You might want to find the default target of the compiler")
...
Circle line-segment collision detection algorithm?
... exdx + eydy - dxh - dyk ) +
ex2 + ey2 -
2exh - 2eyk + h2 + k2 - r2 = 0
Finally,
t2( _d * _d ) + 2t( _e * _d - _d * _c ) + _e * _e - 2( _e*_c ) + _c * _c - r2 = 0
*Where _d is the vector d and * is the dot product.*
And then,
t2( _d * _d ) + 2t( _d * ( _e - _c ) ) + ( _e - _c ) * ( _e - _c ) - r2 = ...