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Why is the use of tuples in C++ not more common?
...le: how many folks use functionality found in <algorithm>?
In other words, many C++ programmers are simply C programmers using C++ compilers, and perhaps std::vector and std::list. That is one reason why the use of boost::tuple is not more common.
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What is a loop invariant?
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In simple words, a loop invariant is some predicate (condition) that holds for every iteration of the loop. For example, let's look at a simple for loop that looks like this:
int j = 9;
for(int i=0; i<10; i++)
j--;
In this ex...
Ways to circumvent the same-origin policy
... you that lets you get the html/data, regardless of it's origin. In other words, it makes any url or webpage a JSONP request.
I've found it pretty useful :)
Here's some example javascript code from anyorigin:
$.getJSON('http://anyorigin.com/get?url=google.com&callback=?', function(data){
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What is SOA “in plain english”? [closed]
... explaining a Service Oriented Architecture (SOA) using even more advanced words and technical terms. I'd like to give a shot at explaining it for the layman, using an analogy in plain english.
But first a description of a SOA
SOA could be described in three layers as seen in the picture below. O...
CSS I want a div to be on top of everything
... from WW3 school, correct?
check it css. the .modal one, there're already word z-index there. just change from 1 to 100.
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
padding-top: 100px; /* Location of the box */
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Difference between android-support-v7-appcompat and android-support-v4
... This should be the accepted answer, clearly explains everything in simple words.
– gegobyte
Sep 30 '18 at 9:02
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What is the difference between hg forget and hg remove?
...s and can now optionally be ignored with a pattern in .hgignore.
In other words, I cannot tell if you used hg forget or hg remove when I pull from you. A file that you ran hg forget on will be deleted when I update to that changeset — just as if you had used hg remove instead.
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Why do we need argc while there is always a null at the end of argv?
...convenience.
Quoting the official explanation from C99 Rationale, note the words redundant check:
Rationale for International Standard — Programming Languages — C §5.1.2.2.1 Program startup
The specification of argc and argv as arguments to main recognizes extensive prior practice. argv[argc] ...
Why is Thread.Sleep so harmful
...alikes)
We are waiting because some condition changes some time ...
keyword(s) is/are some time! if the condition-check is in our code-domain, we
should use WaitHandles - otherwise the external component should
provide some kind of hooks ... if it doesn't its design is bad!
My answe...
'this' vs $scope in AngularJS controllers
...unction -- they only have access to functions defined on $scope. In other words, in the HTML, this won't work:
<a ng-click="addPane(newPane)">won't work</a>
After the "tabs" controller constructor function executes, we have the following:
The dashed black line indicates prototypal...