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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
...o, node_redis and last but not least the sample code from media fire.
Install node.js+npm(as non root)
First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root):
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bas...
What is the difference between a regular string and a verbatim string?
... a trial version of Resharper and it always suggests that I switch regular strings to verbatim strings. What is the difference?
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Java String array: is there a size of method?
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Yes, .length (property-like, not a method):
String[] array = new String[10];
int size = array.length;
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Git pull from another repository
...ush to upstream (and sorry about the Rickroll, but it was the first random string that popped into my head).
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Check if a string contains an element from a list (of strings)
...With LINQ, and using C# (I don't know VB much these days):
bool b = listOfStrings.Any(s=>myString.Contains(s));
or (shorter and more efficient, but arguably less clear):
bool b = listOfStrings.Any(myString.Contains);
If you were testing equality, it would be worth looking at HashSet etc, bu...
Find index of last occurrence of a substring in a string
...ant to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
I have this python program that adds strings to integers:
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Using an integer as a key in an associative array in JavaScript
...at you can not have integer keys. JavaScript will convert the integer to a string. The following outputs 20, not undefined:
var test = {}
test[2300] = 20;
console.log(test["2300"]);
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How can I create a self-signed cert for localhost?
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I followed all these steps and I'm getting a ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome 60 and Safari 10.1.2 doesn't like it either.
– styfle
Aug 5 '17 at 21:19
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How to prevent custom views from losing state across screen orientation changes
...ndle = new Bundle();
// The vars you want to save - in this instance a string and a boolean
String someString = "something";
boolean someBoolean = true;
State state = new State(super.onSaveInstanceState(), someString, someBoolean);
bundle.putParcelable(State.STATE, state);
re...