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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...clear as other documents, so here is my answer.
The implementation of hitTest:withEvent: in UIResponder does the following:
It calls pointInside:withEvent: of self
If the return is NO, hitTest:withEvent: returns nil. the end of the story.
If the return is YES, it sends hitTest:withEvent: message...
MongoDB Aggregation: How to get total records count?
... to $skip and $limit in the pipeline and make a separate call for count. I tested this against fairly large data sets.
– Jpepper
Jun 18 '19 at 18:55
add a comment
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Why can't I use a list as a dict key in python?
...std. dev. of 7 runs, 10000000 loops each)
As you can see, the membership test in our stupidlists_set is even slower than a linear scan over the whole lists_list, while you have the expected super fast lookup time (factor 500) in a set without loads of hash collisions.
TL; DR: you can use tuple(...
How to check if a file is a valid image file?
...
That won't be sufficient if he's really testing for "valid" images; the presence of a magic number doesn't guarantee that the file hasn't been truncated, for example.
– Ben Blank
May 20 '09 at 18:11
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What is the purpose of class methods?
...gger.FATAL ) :
print "FATAL: " + message
And some code that tests it just a bit:
def logAll() :
Logger.debug( "This is a Debug message." )
Logger.info ( "This is a Info message." )
Logger.warn ( "This is a Warn message." )
Logger.error( "This is a Error message." )
...
Python 2.7 getting user input and manipulating as string without quotations
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Use raw_input() instead of input():
testVar = raw_input("Ask user for something.")
input() actually evaluates the input as Python code. I suggest to never use it. raw_input() returns the verbatim string entered by the user.
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Representing Directory & File Structure in Markdown Syntax [closed]
... When using this anwser the tree is just renderd as a few text lines. Tested in VSCode and VisualStudio with md plugin. Also on GitHub this is not working
– Danny
Nov 22 '18 at 10:05
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What's the difference between console.dir and console.log?
...ust a bug in Chrome.
In Chrome, both do the same thing. Expanding on your test, I have noticed that Chrome gets the current value of the object when you expand it.
> o = { foo: 1 }
> console.log(o)
Expand now, o.foo = 1
> o.foo = 2
o.foo is still displayed as 1 from previous lines
> o...
Is there a performance difference between a for loop and a for-each loop?
... using strings.get(i) */ }
Now the actual two cents: At least when I was testing these, the third one was the fastest when counting milliseconds on how long it took for each type of loop with a simple operation in it repeated a few million times - this was using Java 5 with jre1.6u10 on Windows in...
Dynamically load JS inside JS [duplicate]
...le
you have to use the getScript to load the js file
$.getScript("ajax/test.js", function(data, textStatus, jqxhr) {
console.log(data); //data returned
console.log(textStatus); //success
console.log(jqxhr.status); //200
console.log('Load was performed.');
});
...