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How can I use a search engine to search for special characters? [closed]
...ace before it, in which case it is a negative sign.)
The underscore symbol _ is not ignored when it connects two words, e.g. [ quick_sort ].
As such, it is not well suited for these types of searchs. Google Code however does have syntax for searching through their code projects, that includes a ro...
How to dismiss keyboard iOS programmatically when pressing return
...s delegate to current viewcontroller and then:
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
Objective-C:
[self.view endEditing:YES];
or
Set text field's delegate to current viewcontroller and then:
- (BOOL)textFie...
month name to month number and vice versa in python
...calendar module:
import calendar
{v: k for k,v in enumerate(calendar.month_abbr)}
Before Python (2.7+) you would do
dict((v,k) for k,v in enumerate(calendar.month_abbr))
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Is there a JavaScript MVC (micro-)framework? [closed]
...
That site has a blink tag. o_0
– Tad Donaghe
Dec 22 '08 at 18:32
that s...
Determine the number of NA values in a column
...
If you are looking for NA counts for each column in a dataframe then:
na_count <-sapply(x, function(y) sum(length(which(is.na(y)))))
should give you a list with the counts for each column.
na_count <- data.frame(na_count)
Should output the data nicely in a dataframe like:
------------...
Case insensitive replace
... the re.IGNORECASE option.
>>> import re
>>> insensitive_hippo = re.compile(re.escape('hippo'), re.IGNORECASE)
>>> insensitive_hippo.sub('giraffe', 'I want a hIPpo for my birthday')
'I want a giraffe for my birthday'
...
What is the dual table in Oracle?
...this wikipedia article may help clarify.
http://en.wikipedia.org/wiki/DUAL_table
The DUAL table is a special one-row
table present by default in all Oracle
database installations. It is suitable
for use in selecting a pseudocolumn
such as SYSDATE or USER The table has
a single VARCHAR...
How do you copy and paste into Git Bash
...
@AntiGameZ undo can be done with Ctrl-_. I believe this is all from readline utility, which emulates Emacs, the One True Editor.
– Brady Trainor
Feb 11 '14 at 1:35
...
How do I generate random numbers in Dart?
...0.9 ... the result would be for example -0.32
– just_a_dude
Nov 7 '13 at 13:59
2
...
Remove all the children DOM elements in div
...
From the dojo API documentation:
dojo.html._emptyNode(node);
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