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How can I represent an infinite number in Python?
...rows a TypeError: unorderable types: float() < ellipsis(), at least for me.
– Peter Goldsborough
Oct 6 '15 at 19:34
2
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How exactly does the android:onClick XML attribute differ from setOnClickListener?
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No, that is not possible via code. Android just implements the OnClickListener for you when you define the android:onClick="someMethod" attribute.
Those two code snippets are equal, just implemented in two different ways.
Code Implementation
Button btn = (Button) findViewByI...
Jinja2 template variable if None Object set a default value
...ke a variable in jijna2 default to "" if object is None instead of doing something like this?
9 Answers
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Laravel Redirect Back with() Message
I am trying to redirect to the previous page with a message when there is a fatal error.
17 Answers
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Identify user in a Bash script called by sudo
...who am i | awk '{print $1}'
Alternatively (and simpler) you can use logname. It does the same thing as the above statement.
This gives you the username that logged in to the session.
These work regardless of sudo or sudo su [whatever]. It also works regardless of how many times su and sudo are...
Good scalaz introduction [closed]
... lot of ideas from haskell and mathematics. Most articles that I found assume that you already feel comfortable with these concepts.
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How to handle Back button with in the dialog?
... KeyEvent event) {
// TODO Auto-generated method stub
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
dialog.dismiss();
}
return true;
}
});
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Get last n lines of a file, similar to tail
...no assumptions about line length. Backs through the file one block at a time till it's found the right number of '\n' characters.
def tail( f, lines=20 ):
total_lines_wanted = lines
BLOCK_SIZE = 1024
f.seek(0, 2)
block_end_byte = f.tell()
lines_to_go = total_lines_wanted
b...
The cause of “bad magic number” error when loading a workspace and how to avoid it?
...ead of readRDS() (yes, 9 months later, I'm back here for pretty much the same mistake).
– Waldir Leoncio
Nov 13 '14 at 17:35
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CodeIgniter activerecord, retrieve last insert id?
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Shame on me...
I looked at the user guide and the first function is $this->db->insert_id();
This also works with activerecord inserts...
EDIT: I updated the link
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