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Is System.nanoTime() completely useless?
...s System.nanoTime() returns the time value using a CPU specific counter. Now consider the following case I use to measure time of a call:
...
Block Comments in Clojure
... is also the comment macro which has a similar effect, but is implemented differently.
Both the above require that the thing that you're commenting out is otherwise a syntactically correct S-expression.
Some Lisp dialects have a multi-line comment that can contain arbitrary text, but I don't see o...
Sending message through WhatsApp
...g their phone number saved in your phone's
address book. As long as you know this person’s phone number, you can
create a link that will allow you to start a chat with them.
Use: https://wa.me/15551234567
Don't use: https://wa.me/+001-(555)1234567
Example: https://wa.me/1555123...
iPhone: How to get current milliseconds?
...SDate.timeIntervalSince1970;// all those brackets are really old fashioned if you ask me.
– Pizzaiola Gorgonzola
Oct 2 '13 at 13:27
...
Convert a float64 to an int in Go
... Such casts have a problem in Go that can be unexpected (at least if you come from Java): "In all non-constant conversions involving floating-point or complex values, if the result type cannot represent the value the conversion succeeds but the result value is implementation-dependent." (go...
REST API - why use PUT DELETE POST GET?
...ected (think of it like accessors and mutators for a database structure).
Now we need to move onto the issue of idempotence. Usually REST implements CRUD over HTTP. HTTP uses GET, PUT, POST and DELETE for the requests.
A very simplistic implementation of REST could use the following CRUD mapping:
...
How to pip or easy_install tkinter on Windows
...ws, I believe you installed Python through the binaries on their website?
If so, Then most probably you are typing the command wrong. It should be:
import Tkinter as tk
Note the capital T at the beginning of Tkinter.
For Python 3,
import tkinter as tk
...
What is cURL in PHP?
...a library that lets you make HTTP requests in PHP. Everything you need to know about it (and most other extensions) can be found in the PHP manual.
In order to use PHP's cURL functions
you need to install the » libcurl
package. PHP requires that you use
libcurl 7.0.2-beta or higher. In PH...
How do I “source” something in my .vimrc file?
...order. You source with the command :source (usually shortened to :so).
So if you source myStuff.vim
:so myStuff.vim
and if myStuff.vim contained these lines
set xx iI just intersted this<C-]>
set yy bbbb4dw
It's the same as if you typed those commands into Vim
:set xx iI just intersted...
How do you get a Golang program to print the line number of the error it just called?
...
Yes, if you're using a custom log you can use it like var mylog = log.New(os.Stderr, "app: ", log.LstdFlags | log.Lshortfile).
– OneOfOne
Jul 17 '14 at 18:33
...