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shared_ptr to an array : should it be used?
... convertible to T*. ...
To support this, the member type element_type is now defined as
using element_type = remove_extent_t<T>;
Array elements can be access using operator[]
element_type& operator[](ptrdiff_t i) const;
Requires: get() != 0 && i >= 0. If T is U[N]...
What is the difference between JavaConverters and JavaConversions in Scala?
...For anyone landing on this question since Scala 2.12.x, JavaConversions is now deprecated and JavaConverters is the preferred method.
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Can local storage ever be considered secure? [closed]
...ll but one of these concerns does not apply to the WebCrypto API, which is now reasonably well supported.
For an offline app, you must still design and implement a secure keystore.
Aside: If you are using Node.js, use the builtin crypto API.
Native-Javascript Cryptography (pre-WebCrypto)
I presu...
How do I “decompile” Java class files? [closed]
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It now offers SaaS where you upload the .class file to the cloud and it returns you the decompiled code. Worked for a simple POJO.
– Salvador Valencia
Sep 15 '17 at 20:43
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Overloading and overriding
... //wash the Truck
}
Wash function was only washing a Car before, but now its overloaded to wash a Truck as well.
If the provided input object is a Car, it will execute Wash(Car anyCar)
If the provided input object is a Truck, then it will execute
Wash(Truck anyTruck)
Let's override Wash()...
What is “X-Content-Type-Options=nosniff”?
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It prevents the browser from doing MIME-type sniffing. Most browsers are now respecting this header, including Chrome/Chromium, Edge, IE >= 8.0, Firefox >= 50 and Opera >= 13. See :
https://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx?Redirected=true
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How to find out the MySQL root password
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thanks to @thusharaK I could reset the root password without knowing the old password.
On ubuntu I did the following:
sudo service mysql stop
sudo mysqld_safe --skip-grant-tables --skip-syslog --skip-networking
Then run mysql in a new terminal:
mysql -u root
And run the following...
Override configured user for a single git commit
... github server.
Make sure that you see a .git folder in that work folder. Now open that folder in Terminal/Console/CommandPrompt and try changing the username and email for that folder only by running the commands I specified above.
By changing that, you may now be able to access the GitHub server...
CASCADE DELETE just once
...ked for deletion to prevent infinite loops. Please test it out and let me know how it works for you. Note: It's a little slow.
I call it like so:
select delete_cascade('public','my_table','1');
create or replace function delete_cascade(p_schema varchar, p_table varchar, p_key varchar, p_recursion v...
How to validate IP address in Python? [duplicate]
... representations of IP addresses.
If you're using Python 3.3 or later, it now includes the ipaddress module:
>>> import ipaddress
>>> ipaddress.ip_address('127.0.0.1')
IPv4Address('127.0.0.1')
>>> ipaddress.ip_address('277.0.0.1')
Traceback (most recent call last):
Fil...