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Why are my basic Heroku apps taking two seconds to load?
I created two very simple Heroku apps to test out the service, but it's often taking several seconds to load the page when I first visit them:
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
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OK, answer is no, there is no way to do this without subclassing UICollectionViewFlowLayout.
However, subclassing it is incredibly easy for anyone who is reading this in the future.
First I set up the subclass call MyCollectionViewFlowLayout and then in interface build...
How to remove an HTML element using Javascript?
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What's happening is that the form is getting submitted, and so the page is being refreshed (with its original content). You're handling the click event on a submit button.
If you want to remove the element and not submit the form, handle the submit event on the form instea...
How to restart Activity in Android
How do I restart an Android Activity ? I tried the following, but the Activity simply quits.
21 Answers
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NPM global install “cannot find module”
... empty, and running npm install --global --verbose promised-io showed that it was installing into /opt/lib/node_modules/promised-io:
[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm verb cli '/opt/bin/npm',
npm...
subtract two times in python
I have two datetime.time values, exit and enter and I want to do something like:
9 Answers
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Pointer to class data member “::*”
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It's a "pointer to member" - the following code illustrates its use:
#include <iostream>
using namespace std;
class Car
{
public:
int speed;
};
int main()
{
int Car::*pSpeed = &Car::speed;
Car c1...
Implementing two interfaces in a class with same method. Which interface method is overridden?
Two interfaces with same method names and signatures. But implemented by a single class then how the compiler will identify the which method is for which interface?
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Android update activity UI from service
...or new task all the time. If there is new task, I want to refresh the activity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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Verify a certificate chain using openssl verify
I'm building a own certificate chain with following componenents:
7 Answers
7
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