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RAII and smart pointers in C++
In practice with C++, what is RAII , what are smart pointers , how are these implemented in a program and what are the benefits of using RAII with smart pointers?
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Line-breaking widget layout for Android
...ble for purpose you want.
FlexboxLayout is in Google GitHub repository at https://github.com/google/flexbox-layout at this moment.
You can use it in your project by adding dependency to your build.gradle file:
dependencies {
compile 'com.google.android:flexbox:0.3.2'
}
More about FlexboxLay...
git returns http error 407 from proxy after CONNECT
...:password@proxiURL:proxiPort
and in some cases also
git config --global https.proxy http://username:password@proxiURL:proxiPort
then
git config --global http.sslVerify false
(I confirm it's necessary : if set to true getting "SSL certificate problem: unable to get local issuer certificate" e...
Generate all permutations of a list without adjacent equal elements
...
This is along the lines of Thijser's currently incomplete pseudocode. The idea is to take the most frequent of the remaining item types unless it was just taken. (See also Coady's implementation of this algorithm.)
import collections
import heapq
class Sentinel:
pass
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What is the difference between “ is None ” and “ ==None ”
...
The answer is explained here.
To quote:
A class is free to implement
comparison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement...
Python: json.loads returns items prefixing with 'u'
...table and state that json string objects are decoded into Unicode objects
https://docs.python.org/2/library/json.html#encoders-and-decoders
JSON Python
==================================
object dict
array list
string unicode
nu...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...ation.
Step 1:
Upload your existing 1024 X 1024 icon on Below Site :
https://makeappicon.com/
Step 2 :
It will send you mail.
Download icon.zip from email.
Step 3 : Drag and Drop AppIcon.appiconset to your application. It will contain all require icon.
It may help you all.
Edit : I a...
Determine the process pid listening on a certain port
As the title says, I'm running multiple game servers, and every of them has the same name but different PID and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bas...
Django : How can I see a list of urlpatterns?
How can I see the current urlpatterns that "reverse" is looking in?
16 Answers
16
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Does delete on a pointer to a subclass call the base class destructor?
I have an class A which uses a heap memory allocation for one of its fields. Class A is instantiated and stored as a pointer field in another class ( class B .
...