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Logical operator in a handlebars.js {{#if}} conditional
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edited Jun 10 '13 at 18:24
Peter Bratton
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How to check if a string contains text from an array of substrings in JavaScript?
...but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log("Substrings: " + substrings.join(","));
// Try it where we expect a match
str = "this has one...
How to get multiple counts with one SQL query?
...or_id,
count(*) AS total,
sum(case when level = 'exec' then 1 else 0 end) AS ExecCount,
sum(case when level = 'personal' then 1 else 0 end) AS PersonalCount
FROM yourtable
GROUP BY distributor_id
share
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Does bit-shift depend on endianness?
Suppose I have the number 'numb'=1025 [00000000 00000000 00000100 00000001] represented:
5 Answers
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When should I use UNSIGNED and SIGNED INT in MySQL?
...//dev.mysql.com/doc/refman/5.6/en/integer-types.html
UNSIGNED ranges from 0 to n, while signed ranges from about -n/2 to n/2.
In this case, you have an AUTO_INCREMENT ID column, so you would not have negatives. Thus, use UNSIGNED. If you do not use UNSIGNED for the AUTO_INCREMENT column, your maxi...
jQuery Set Cursor Position in Text Area
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$("#set-textarea").click(function() {
setCaretToPos($("#the-textarea")[0], 10)
});
$("#set-input").click(function() {
setCaretToPos($("#the-input")[0], 10);
});
<textarea id="the-textarea" cols="40" rows="4">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tem...
Java to Clojure rewrite
I have just been asked by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
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What is the advantage of using forwarding references in range-based for loops?
...der:
#include <vector>
int main()
{
std::vector<bool> v(10);
for (auto& e : v)
e = true;
}
This doesn't compile because rvalue vector<bool>::reference returned from the iterator won't bind to a non-const lvalue reference. But this will work:
#include <v...
Accessing elements of Python dictionary by index
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10 Answers
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