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How to check whether a string contains a substring in Ruby
...oMethodError: undefined method `include?' for nil:NilClass should always convert the value being included to the expected value:- test.to_s.include?("test")
– Gary
May 8 '18 at 21:24
...
How to get URL parameter using jQuery or plain JavaScript?
...ust used var sPageURL = decodeURI(window.location.search.substring(1)); to convert %20 characters into white spaces and also I return an empty string instead of nothing if the parameter is not matched.
– Christophe
Feb 11 '15 at 13:44
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Java 8 Streams - collect vs reduce
...roaches:
If we wanted to take a stream of strings and concatenate them into a
single long string, we could achieve this with ordinary reduction:
String concatenated = strings.reduce("", String::concat)
We would get the desired result, and it would even work in parallel.
However, we...
How do I get the day of week given a date?
...y().weekday()
4
From the documentation:
Return the day of the week as an integer, where Monday is 0 and Sunday is 6.
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How do I reference a javascript object property with a hyphen in it?
...d in is a CSS property. CSS properties that have hyphens are automatically converted to camel casing. In that case you can use the camel cased name like:
style.textAlign;
However this solution only works for CSS properties. For example,
obj['a-b'] = 2;
alert(obj.aB); // undefined
alert(...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...n is the size of the lists.
If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice):
set(x) == set(y)
If the elements are not hashable, but sortable, another alternative (runtime in O(n log n)) is
sorted(x) == sorted(y)
I...
Is there any boolean type in Oracle databases?
...m recommending CHAR(1) 'Y'/'N' they switch to NUMBER(1) 0/1 when someone points out that 'Y'/'N' depends on the English language, while e.g. German programmers might use 'J'/'N' instead.
The worst thing is that they defend this stupid decision just like they defend the ''=NULL stupidity.
...
Animate visibility modes, GONE and VISIBLE
...imation = outAnimation;
}
@Override
public void setVisibility(int visibility)
{
if (getVisibility() != visibility)
{
if (visibility == VISIBLE)
{
if (inAnimation != null) startAnimation(inAnimation);
}
e...
C# version of java's synchronized keyword?
...*/}
This can also be used on accessors (properties and events):
private int i;
public int SomeProperty
{
[MethodImpl(MethodImplOptions.Synchronized)]
get { return i; }
[MethodImpl(MethodImplOptions.Synchronized)]
set { i = value; }
}
Note that field-like events are synchronized ...
How do I create some kind of table of content in GitHub wiki?
...
Yes, I have been converted to asciidoc largely for the ToC and linking to headers. Got fed up of waiting for Markdown to catch up.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Nov 9 '18 at 9:2...