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What is “callback hell” and how and why does RX solve it?
...u can't use a for loop.
// we would like to write the following
for(var i=0; i<10; i++){
doSomething(i);
}
blah();
Instead, we might need to end up writing:
function loop(i, onDone){
if(i >= 10){
onDone()
}else{
doSomething(i, function(){
loop(i+1, o...
Database Design for Tagging
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answered Sep 7 '08 at 18:22
Troels ArvinTroels Arvin
5,27622 gold badges2222 silver badges2626 bronze badges
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How do I debug an MPI program?
...t a full-featured debugger (a full-featured debugger would never scale to 208k cores), but it will tell you which groups of processes are doing the same thing. You can then step through a representative from each group in a standard debugger.
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Postgres: INSERT if does not exist already
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+250
Postgres 9.5 (released since 2016-01-07) offers an "upsert" command, also known as an ON CONFLICT clause to INSERT:
INSERT ... ON CON...
How to know if two arrays have the same values
...1.concat().sort();
var arr2 = _arr2.concat().sort();
for (var i = 0; i < arr1.length; i++) {
if (arr1[i] !== arr2[i])
return false;
}
return true;
}
Note that this doesn't modify original arrays unlike a previous answer.
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How would you access Object properties from within an object method? [closed]
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edited Aug 1 '08 at 16:32
answered Aug 1 '08 at 16:13
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Is there a way to make AngularJS load partials in the beginning and not at when needed?
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270
Yes, there are at least 2 solutions for this:
Use the script directive (http://docs.angularjs....
ASP.NET MVC Ajax Error handling
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If the server sends some status code different than 200, the error callback is executed:
$.ajax({
url: '/foo',
success: function(result) {
alert('yeap');
},
error: function(XMLHttpRequest, textStatus, errorThrown) {
alert('oops, something bad ha...
Use 'class' or 'typename' for template parameters? [duplicate]
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10 Answers
10
Active
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Is “else if” faster than “switch() case”? [duplicate]
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answered Apr 20 '09 at 11:14
GuffaGuffa
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