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Oracle “Partition By” Keyword
...turn every record in the emp table.)
emp_no dept_no DEPT_COUNT
1 10 3
2 10 3
3 10 3 <- three because there are three "dept_no = 10" records
4 20 2
5 20 2 <- two because there are two "dept_no = 20" records
If there was another co...
How expensive is the lock statement?
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Here is an article that goes into the cost. Short answer is 50ns.
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how do i block or restrict special characters from input fields with jquery?
...ut').on('keypress', function (event) {
var regex = new RegExp("^[a-zA-Z0-9]+$");
var key = String.fromCharCode(!event.charCode ? event.which : event.charCode);
if (!regex.test(key)) {
event.preventDefault();
return false;
}
});
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Is it a bad practice to use negative margins in Android?
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In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior.
In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout.
In 2016, @RomainGuy stated that...
Differences between Java 8 Date Time API (java.time) and Joda-Time
...ifferences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
3 Answers
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Find a pair of elements from an array whose sum equals a given number
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Algorithm to calculate the number of divisors of a given number
...he divisors together and apply those numbers into the formula above.
Not 100% sure about my algo description but if that isn't it it's something similar .
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How to set Oracle's Java as the default Java in Ubuntu?
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edited Mar 30 at 15:27
BuZZ-dEE
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make iframe height dynamic based on content inside- JQUERY/Javascript
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answered Feb 6 '12 at 16:05
AristosAristos
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How do I check that a number is float or integer?
...r a remainder when dividing by 1:
function isInt(n) {
return n % 1 === 0;
}
If you don't know that the argument is a number you need two tests:
function isInt(n){
return Number(n) === n && n % 1 === 0;
}
function isFloat(n){
return Number(n) === n && n % 1 !== 0;
}
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