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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?
What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter ?
7 Answers
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How to send a “multipart/form-data” with requests in python?
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Basically, if you specify a files parameter (a dictionary), then requests will send a multipart/form-data POST instead of a application/x-www-form-urlencoded POST. You are not limited to using actual files in that dictionary, however:
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Which keycode for escape key with jQuery
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Try with the keyup event:
$(document).keyup(function(e) {
if (e.keyCode === 13) $('.save').click(); // enter
if (e.keyCode === 27) $('.cancel').click(); // esc
});
share
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Lost my schema.rb! Can it be regenerated?
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If you run a rake -T it will list all possible rake tasks for your Rails project. One of them is db:schema:dump which will recreate the schema.rb for the Rails app from the database.
bundle exec rake db:schema:dump
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Why compile Python code?
...uiring compilation, the .pyc file is almost invariably smaller. Especially if you comment a lot. One of mine is 28419 as .py, but only 17879 as .pyc -- so load time is better as well. Finally, you can precompile top level scripts this way: python -m compileall myscript.py
– fyn...
Generate list of all possible permutations of a string
...= *b;
*b = temp;
}
void print(char *a, int i, int n) {
int j;
if(i == n) {
printf("%s\n", a);
} else {
for(j = i; j <= n; j++) {
swap(a + i, a + j);
print(a, i + 1, n);
swap(a + i, a + j);
}
}
}
int main(void) {
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How to recursively download a folder via FTP on Linux [closed]
...ch is suitable for mirroring. It is currently equivalent to -r -N -l inf.
If you've some special characters in the credential details, you can specify the --user and --password arguments to get it to work. Example with custom login with specific characters:
wget -r --user="user@login" --password="...
Finalize vs Dispose
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Others have already covered the difference between Dispose and Finalize (btw the Finalize method is still called a destructor in the language specification), so I'll just add a little about the scenarios where the Finalize method comes in handy.
Some types ...
Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...eration.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only once instead of twice.
If you really want to just return null if the key doesn't exist, the above code can be simplified ...
How to simulate target=“_blank” in JavaScript
...attDiPasquale blocking window.open is kinda the point of pop-up blockers! If you make the call in response to a click action it has a better chance of not being blocked.
– William Denniss
Aug 18 '11 at 15:16
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