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Where is the syntax for TypeScript comments documented?
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edited Apr 27 '19 at 14:07
slideshowp2
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Immutable vs Mutable types
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What? Floats are immutable? But can't I do
x = 5.0
x += 7.0
print x # 12.0
Doesn't that "mut" x?
Well you agree strings are immutable right? But you can do the same thing.
s = 'foo'
s += 'bar'
print s # foobar
The value of the variable changes, but it changes by chang...
JavaScript: how to change form action attribute value based on selection?
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answered Dec 18 '09 at 0:54
cletuscletus
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How to conditionally push an item in an observable array?
...f). This allows you to do:
if (myObservableArray.indexOf(itemToAdd) < 0) {
myObservableArray.push(itemToAdd);
}
If the two are not actually a reference to the same object and you want to run custom comparison logic, then you can use ko.utils.arrayFirst like:
var match = ko.utils.arrayFirst...
Int to Char in C#
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(char)myint;
for example:
Console.WriteLine("(char)122 is {0}", (char)122);
yields:
(char)122 is z
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My docker container has no internet
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110
First thing to check is run cat /etc/resolv.conf in the docker container. If it has an invalid D...
How can javascript upload a blob?
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– William Entriken
Aug 7 '13 at 2:05
@FullDecent What do you mean? To prompt the user to download a file using the F...
Bash command to sum a column of numbers [duplicate]
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10 Answers
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How does grep run so fast?
...omparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-st...
Import pandas dataframe column as string not int
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Just want to reiterate this will work in pandas >= 0.9.1:
In [2]: read_csv('sample.csv', dtype={'ID': object})
Out[2]:
ID
0 00013007854817840016671868
1 00013007854817840016749251
2 00013007854817840016754630
3 00013007854817840016781876
4 00...