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Turning off some legends in a ggplot
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You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should use scale_colour_continuous() because length is continuous variable (not discrete).
(p3 <- ggplot(mov, aes(year, rating, colour = len...
ipython: print complete history (not just current session)
in ipython , I can use %hist or %history to print recent history, but this only prints history from current session.
3...
How do I verify/check/test/validate my SSH passphrase?
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You can verify your SSH key passphrase by attempting to load it into your SSH agent. With OpenSSH this is done via ssh-add.
Once you're done, remember to unload your SSH passphrase from the terminal by running ssh-add -d.
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Remove multiple keys from Map in efficient way?
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Assuming your set contains the strings you want to remove, you can use the keySet method and map.keySet().removeAll(keySet);.
keySet returns a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflected in the set, and vice-versa.
C...
How to make an element in XML schema optional?
...so your top example doesn't need to specify it.
– Duncan Jones
Aug 11 '16 at 7:19
1
Indeed, teste...
jQuery removing '-' character from string
... in some other variable not part of the DOM, then you would likely want to call the .replace() function against that variable before you insert it into the DOM.
Like this:
var someVariable = "-123456";
$mylabel.text( someVariable.replace('-', '') );
or a more verbose version:
var someVariable =...
How to filter out files by extension in NERDTree?
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This can be comma-separated to include more patterns: ['\.pyc$', '\.png$']
– hodgkin-huxley
Feb 12 '16 at 15:07
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str.startswith with a list of strings to test for
...supply a tuple of strings to test for:
if link.lower().startswith(("js", "catalog", "script", "katalog")):
From the docs:
str.startswith(prefix[, start[, end]])
Return True if string starts with the prefix, otherwise return False. prefix can also be a tuple of prefixes to look for.
Be...
How to get the title of HTML page with JavaScript?
How can I get the title of an HTML page with JavaScript?
3 Answers
3
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NameError: name 'self' is not defined
...t function define-time, but self is an argument only available at function call time. Thus arguments in the argument list cannot refer each other.
It's a common pattern to default an argument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
pri...