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The input is not a valid Base-64 string as it contains a non-base 64 character
... another console application after converting it to Byte array and then to Base64 string. This part works, but when the same stream is received at the application, it gets manipulated and is no longer a valid Base64 string. Some junk characters are getting introduced into the stream.
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C++ equivalent of java's instanceof
...ehaviour for the class you are checking for into a virtual function on the base class or perhaps introducing something like a visitor where you can introduce specific behaviour for subclasses without changing the interface (except for adding the visitor acceptance interface of course).
As pointed o...
Facebook Android Generate Key Hash
...in openssl bin folder
13) Again copy following code and paste
openssl base64 -in debug_sha.txt > debug_base64.txt
14) you will get debug_base64.txt in openssl bin folder
15) open debug_base64.txt file Here is your Key hash.
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How to compile for Windows on Linux with gcc/g++?
...ere are variants that build for x64, such as "x86_64-w64-mingw32-g++". The base "mingw32" may or may not be capable, but it's easy enough to install/use the variants by name. ar2015: Does it not support C++11 at all or are you talking about a problem you had with it? I'm working on getting a projec...
What is the best way to trigger onchange event in react js
...pdating the input's state in response. The two-way binding utils more as a demo than anything else; they're included in addons only to emphasize the fact that pure two-way binding isn't appropriate for most applications and that you usually need more application logic to describe the interactions in...
How to pass a function as a parameter in Java? [duplicate]
...s a simple example, where foo() is the function passed as a parameter, and demo() is the function that takes a function as a parameter. void demo(final Callable<Void> func){ func.call(); } void foo(){ return null; } demo(new Callable<Void>() {public Void call() {return foo...
How to printf uint64_t? Fails with: “spurious trailing ‘%’ in format”
...0;
fmt::print("test uint64_t : {}\n", ui64);
}
The formatting facility based on this library is proposed for standardization in C++20: P0645.
Disclaimer: I'm the author of {fmt}.
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improv...
How to find a table having a specific column in postgresql
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I've used the query of @Roman Pekar as a base and added schema name (relevant in my case)
select n.nspname as schema ,c.relname
from pg_class as c
inner join pg_attribute as a on a.attrelid = c.oid
inner join pg_namespace as n on c.relnamespace = n.oid
...
clang: how to list supported target architectures?
...rget cpu beyond this, though it uses a sensible default for the target cpu based on the triple.
Sometimes targets "resolve" to the same thing, so to see what a target is actually treated as:
$ clang -target x86_64-w64-mingw32 -v 2>&1 | grep Target
Target: x86_64-w64-windows-gnu
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Turn a string into a valid filename?
...trings as file names? If human readability is not a factor I would go with base64 module which can produce file system safe strings. It won't be readable but you won't have to deal with collisions and it is reversible.
import base64
file_name_string = base64.urlsafe_b64encode(your_string)
Update:...