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Why does calling a method in my derived class call the base class method?
...tion. You cannot create instances of abstract classes, but you can inherit from them and create instances of your inherited classes and access them using the base class definition. In your example this would look like:
public abstract class Person
{
public abstract void ShowInfo();
}
public cl...
Remove DEFINER clause from MySQL Dumps
...
The sed command does not remove DEFINER clause from procedures and functions. Here is the enhanced version that handles views, triggers, procedures and functions: sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' | sed -e 's/DEFINER[ ]*=[ ]*[^*]*PROCEDURE/PROCEDURE/' | sed -e 's/DE...
What's the difference between 'git merge' and 'git rebase'?
...D and E are still here, but we create merge commit M that inherits changes from both D and E. However, this creates diamond shape, which many people find very confusing.
REBASE:
We create commit R, which actual file content is identical to that of merge commit M above. But, we get rid of commit ...
How to complete a git clone for a big project on an unstable connection?
...ne is interrupted
in the middle the user currently needs
to start over from the beginning and
try again. For some users this may
make it impossible to clone a large
repository.
Goal: Allow git-clone to automatically
resume a previously failed download
over the native git:// protoc...
Return value in a Bash function
...d be 34. Also, note that $(...) also captures stderr in addition to stdout from command specified.
– swoop81
Nov 27 '17 at 21:33
...
Django: accessing session variables from within a template?
...m views make sure you are passing a RequestContext instance. Example taken from documentation:
from django.shortcuts import render_to_response
from django.template import RequestContext
def some_view(request):
# ...
return render_to_response('my_template.html',
...
PHP Session Fixation / Hijacking
... since the attacker has the identifier, they are all but indistinguishable from the valid user with respect to the server.
You cannot directly prevent session hijacking. You can however put steps in to make it very difficult and harder to use.
Use a strong session hash identifier: session.hash_f...
MongoDB and “joins” [duplicate]
....mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
foreignField: <field from the documents of the "from" collection>,
a...
Call a “local” function within module.exports from another function in module.exports?
How do you call a function from within another function in a module.exports declaration?
8 Answers
...
Can IntelliJ IDEA encapsulate all of the functionality of WebStorm and PHPStorm through plugins? [cl
...found within IntelliJ IDEA (you need to install the corresponding plug-ins from the repository).
It includes support for all technologies developed for our more specific products such as Web/PhpStorm, RubyMine and PyCharm.
The specific feature missing from IntelliJ IDEA is simplified project creatio...