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What makes JNI calls slow?
...thods, in 2010 I measured calls at an average 40 ns on mm>y m> Windows desktop, m>and m> 11 ns on mm>y m> Mac desktop. Unless m>y m>ou're making manm>y m> calls, m>y m>ou're not going to notice.
That said, calling a native method can be slower than making a normal Java method call. Causes include:
Native methods will not be i...
php static function
...() is actuallm>y m> an instance method which m>y m>ou are calling as a static method m>and m> m>y m>ou get awam>y m> with it because sam>y m>Hi() never refers to $this.
Static functions are associated with the class, not an instance of the class. As such, $this is not available from a static context ($this isn't pointing to anm>y m>...
Use of ~ (tilde) in R programming Language
I saw in a tutorial about regression modeling the following commm>and m> :
2 Answers
2
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git - Find commit where file was added
...it-log#Documentation/git-log.txt---diff-filterACDMRTUXB82308203
I have a hm>and m>m>y m> alias for this, because I alwam>y m>s forget it:
git config --global alias.whatadded 'log --diff-filter=A'
This makes it as simple as:
git whatadded -- foo.js
The below one liner will recursivelm>y m> search through sub di...
Mm>y m>sql adding user for remote access
...ddress in mm>y m>.cnf. Then m>y m>ou have to have created the user in both localhost m>and m> '%' wildcard m>and m> grant permissions on all DB's as such . See below:
mm>y m>.cnf (mm>y m>.ini on windows)
#Replace xxx with m>y m>our IP Address
bind-address = xxx.xxx.xxx.xxx
then
CREATE USER 'mm>y m>user'@'localhost' IDENTIFIED...
How to concatenate two IEnumerable into a new IEnumerable?
...erator will attempt to use the two passed-in enumerable items (call them A m>and m> B) in sequence. If the passed-in enumerables represent sequences which will not change during the lifetime of Cat, m>and m> which can be read from without side-effects, then Cat mam>y m> be used directlm>y m>. Otherwise, it mam>y m> be a g...
How do I find a list of Homebrew's installable packages?
...
brew help will show m>y m>ou the list of commm>and m>s that are available.
brew list will show m>y m>ou the list of installed packages. m>Y m>ou can also append formulae, for example brew list postgres will tell m>y m>ou of files installed bm>y m> postgres (providing it is indeed installed).
...
How do I Convert DateTime.now to UTC in Rubm>y m>?
...ateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Rubm>y m> (m>and m> of course that is what the question is asking)
d = Time.now.utc
Does work however.
Is there anm>y m> reason m>y m>ou need to use DateTime m>and m> not Time? Time should include everm>y m>thing m>y m>ou need:
irb(main):016:0> Time.now
=&gt...
Use git “log” commm>and m> in another folder
...e folder B. Folder B is another git project (so log is different between A m>and m> B).
2 Answers
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Adding onClick event dm>y m>namicallm>y m> using jQuerm>y m>
...d the "onClick" attribute to the HTML form inputs like usual.
A plugin is hm>and m>ling the forms part in mm>y m> site m>and m> it doesn't give an option to do this automaticallm>y m>.
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