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What exactly are iterator, iterable, and iteration?
...ich defines a __getitem__ method that can take sequential indexes starting from zero (and raises an IndexError when the indexes are no longer valid). So an iterable is an object that you can get an iterator from.
An iterator is an object with a next (Python 2) or __next__ (Python 3) method.
Whene...
Path to MSBuild
How can I programatically get the path to MSBuild from a machine where my .exe is running?
22 Answers
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What is an example of the Liskov Substitution Principle?
... to model this with inheritance. However if in code you made Square derive from Rectangle, then a Square should be usable anywhere you expect a Rectangle. This makes for some strange behavior.
Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical...
How can I get the assembly file version
...
@Xiaofu: Is there any way to get the version numbers from a AssemblyInfo.cs file instead?
– Markus
May 8 '12 at 12:07
59
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Max retries exceeded with URL in requests
...at itunes server refuses your connection (you're sending too many requests from same ip address in short period of time)
Max retries exceeded with url: /in/app/adobe-reader/id469337564?mt=8
error trace is misleading it should be something like "No connection could be made because the target m...
Android AsyncTask testing with Android Test Framework
...s, and I needed to have my service callbacks sync-ed with the test methods from my ApplicationTestCase classes. Usually the test method itself finished before the callback would be accessed, so the data sent via the callbacks would not be tested. Tried applying the @UiThreadTest bust still didn't wo...
What is the purpose of willSet and didSet in Swift?
... = 0 {
didSet {
print("The value of myProperty changed from \(oldValue) to \(myProperty)")
}
}
}
myProperty prints its old and new value every time it is modified. With just getters and setters, I would need this instead:
class Foo {
var myPropertyValue: Int = ...
How do Third-Party “tracking cookies” work?
...iframe src="http://websiteB.com/ad.html></iframe> to serve the ad from website B. Then when your browser goes to fetch http://websiteB.com/ad.html, the response will come back with a Set-Cookie header that sets a cookie with some unique random string. If website C also includes an ad from w...
Staging Deleted files
...ions.
Git 2.0.0 Docs - git-add
< pathspec >…
Files to add content from. Fileglobs (e.g. *.c) can be given to add all
matching files. Also a leading directory name (e.g. dir to add dir/file1 and dir/file2) can be given to update the index to match the current state of the directory as a whol...
Why does printf not flush after the call unless a newline is in the format string?
...
fflush(stdout); // Will now print everything in the stdout buffer
Edit: From Andy Ross's comment below, you can also disable buffering on stdout by using setbuf:
setbuf(stdout, NULL);
or its secure version setvbuf as explained here
setvbuf(stdout, NULL, _IONBF, 0);
...