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How to get IP address of the device from code?
...on.ACCESS_NETWORK_STATE" />
// test functions
Utils.getMACAddress("wlan0");
Utils.getMACAddress("eth0");
Utils.getIPAddress(true); // IPv4
Utils.getIPAddress(false); // IPv6
Utils.java
import java.io.*;
import java.net.*;
import java.util.*;
//import org.apache.http.conn.util.InetAddressU...
How do I change the color of the text in a UIPickerView under iOS 7?
... containing the UIPickerView, spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
let string = "myString"
return NSAttributedString(string: string, att...
Iterating through directories with Python
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answered Oct 25 '13 at 10:39
ChrisProsserChrisProsser
10.5k66 gold badges3030 silver badges4242 bronze badges
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Find index of a value in an array
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answered Nov 20 '09 at 14:12
sidney.andrewssidney.andrews
4,79633 gold badges2020 silver badges2727 bronze badges
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Timo Tijhof
9,29666 gold badges3030 silver badges4444 bronze badges
answered Sep 18 '08 at 18:01
John ChristensenJohn Christensen
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How to create a GUID/UUID in Python
...n 2 and 3):
>>> import uuid
>>> uuid.uuid4()
UUID('bd65600d-8669-4903-8a14-af88203add38')
>>> str(uuid.uuid4())
'f50ec0b7-f960-400d-91f0-c42a6d44e3d0'
>>> uuid.uuid4().hex
'9fe2c4e93f654fdbb24c02b15259716c'
...
Best practices for reducing Garbage Collector activity in Javascript
...ave a fairly complex Javascript app, which has a main loop that is called 60 times per second. There seems to be a lot of garbage collection going on (based on the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
...
Debugging in Clojure? [closed]
... | (fib 1)
TRACE t4427: | | => 1
TRACE t4428: | | (fib 0)
TRACE t4428: | | => 0
TRACE t4426: | => 1
TRACE t4429: | (fib 1)
TRACE t4429: | => 1
TRACE t4425: => 2
2
In Clojure 1.4, dotrace has moved:
You need the dependency:
[org.clojure/tools.trace...
Press alt + numeric in bash and you get (arg [numeric]) what is that?
...and then the command. For example, to give the C-d command an argument of 10, you could type 'M-1 0 C-d', which will delete the next ten characters on the input line.
For that to work, you have to know where the Meta key is mapped: sometimes it's Alt, sometimes it's Esc, cool computers have a dedic...
How to round up the result of integer division?
...age - 1) / recordsPerPage;
Source: Number Conversion, Roland Backhouse, 2001
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