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Why is address zero used for the null pointer?
... +1 I suspect 0 was chosen merely for historical reasons. (0 being a starting and invalid address, most of the time.) Of course in general such an assumption isn't always true, but 0 works pretty well.
– GManNickG
May 3 '10 at 17:24
...
Why do some functions have underscores “__” before and after the function name?
...al use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
single_trailing_underscore_: used by convention to avoid conflicts with Python keyword, e.g.
Tkinter.Toplevel(master, class_='ClassName')
__double_leading_underscore: when naming a class at...
Stop handler.postDelayed()
...-----Inside oncreate---------------------------------------------------
start =(Button)findViewById(R.id.id_start);
start.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
starthandler();
if(co...
How do I create a list of random numbers without duplicates?
...re your loop. It's much more efficient to do this than to seek back to the start of the file and call f1.readlines() again for each loop iteration.
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AI2 Media Notification
...ortance as channel properties. The channel is created automatically after starting the app (in Companion when ShowNotification is called for the first time ). If you want to change other properties, a new channel (new ChannelID) must be used. You should hide the existing channel when starting the...
Extracting substrings in Go
...rs mid-sequence.
Here's a UTF-8-aware version:
func substr(input string, start int, length int) string {
asRunes := []rune(input)
if start >= len(asRunes) {
return ""
}
if start+length > len(asRunes) {
length = len(asRunes) - start
}
return string(a...
Does Python have a string 'contains' substring method?
... be, but not entirely correct. What if you have punctuation or it's at the start or end? What about capitalisation? Better would be a case insensitive regex search for \bis\b (word boundaries).
– Bob
Nov 8 '12 at 0:07
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Can't get Gulp to run: cannot find module 'gulp-util'
...installed gulp as explained here: http://markgoodyear.com/2014/01/getting-started-with-gulp/ :
10 Answers
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Difference in Months between two dates in JavaScript
... 12th, 2010
);
// Result: 1
(Note that month values in JavaScript start with 0 = January.)
Including fractional months in the above is much more complicated, because three days in a typical February is a larger fraction of that month (~10.714%) than three days in August (~9.677%), and of c...
What is the difference between dict.items() and dict.iteritems() in Python2?
...ams - Regarding "more space and time" : At what size of dictionary do they start to matter. Say I've a "large" dictionary {1:'one', 2:'two', ... } over which I want to iterate on a webserver and render the results. At what scale should I start to worry about choosing .items() vs .iteritems() for Pyt...