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Is AsyncTask really conceptually flawed or am I just missing something?
... urls) {
int count = urls.length;
long totalSize = 0;
for (int i = 0; i < count; i++) {
totalSize += Downloader.downloadFile(urls[i]);
publishProgress((int) ((i / (float) count) * 100));
}
return totalSize...
Why is the Java main method static?
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edited Aug 3 '17 at 11:03
community wiki
4 r...
How to randomly select rows in SQL?
I am using MSSQL Server 2005. In my db, I have a table "customerNames" which has two columns "Id" and "Name" and approx. 1,000 results.
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Is there any difference between a GUID and a UUID?
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The simple answer is: **no difference, they are the same thing.
2020-08-20 Update: While GUIDs (as used by Microsoft) and UUIDs (as defined by RFC4122) look similar and serve similar purposes, there are subtle-but-occasionally-important differences. Specifically, some Microsoft GUID docs ...
Python __str__ and lists
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answered Apr 7 '09 at 22:03
David BergerDavid Berger
10.4k66 gold badges3535 silver badges4949 bronze badges
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How to implement a good __hash__ function in python [duplicate]
...t for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but performs badly.
Your solution, returning the hash of a tuple of properties, is good. But note that you don't need to list all properties that you compare in __eq__ in the tuple. If some propert...
What do ellipsis […] mean in a list?
...u know this, and to inform that it can't be represented! Take a look at @6502's answer to see a nice picture showing what's happening.
Now, regarding the three new items after your edit:
This answer seems to cover it
Ignacio's link describes some possible uses
This is more a topic of data structu...
vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and run: sudo "/Libra...
Replacing a char at a given index in string? [duplicate]
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answered Feb 20 '12 at 19:26
Thomas LevesqueThomas Levesque
263k5858 gold badges560560 silver badges714714 bronze badges
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Why does a return in `finally` override `try`?
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