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Base64 Java encode and decode a string [duplicate]
...ng and decoding of Base64.
Ex.
public static String base64Encode(String token) {
byte[] encodedBytes = Base64.encode(token.getBytes());
return new String(encodedBytes, Charset.forName("UTF-8"));
}
public static String base64Decode(String token) {
byte[] decodedBytes = Base64.decode(...
How to remove all callbacks from a Handler?
....
Remove any pending posts of callbacks and sent messages whose obj is token. If token is null, all callbacks and messages will be removed.
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How to make MySQL handle UTF-8 properly
...taking extra storage when most text is ASCII. Although char strings are preallocated, varchar strings are not -- see the last few lines on this documentation page. For example, char(10) will be pessimistically reserve 40 bytes under utf8mb4, but varchar(10) will allocate bytes in keeping with the v...
Automatically create an Enum based on values in a database lookup table?
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Or...lets say I allow someone in my web.config define token types for email templates for my email templating code. It would be nice if my existing enum called EmailTokens which represents those string types would be gened based off those types defined in my web.config. So if ...
How do I find the PublicKeyToken for a particular dll?
...ll")).FullName
The output will provide the Version, Culture and PublicKeyToken as shown below:
MyDLL, Version=1.0.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
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Setting Authorization Header of HttpClient
...ouble setting up the Authorization header. I need to set the header to the token I received from doing my OAuth request.
I saw some code for .NET that suggests the following,
...
Does using “new” on a struct allocate it on the heap or stack?
...hen you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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what is the difference between 'transform' and 'fit_transform' in sklearn
...e methods:
fit(raw_documents[, y]): Learn a vocabulary dictionary of all tokens in the raw documents.
fit_transform(raw_documents[, y]): Learn the vocabulary dictionary and return term-document matrix. This is equivalent to fit followed by the transform, but more efficiently implemented.
transform...
How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
...ary of those articles. First, include these headers:
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
Then you need to call this when your program exits:
_CrtDumpMemoryLeaks();
Alternatively, if your program does not exit in the same place every time, you can call...
Grab a segment of an array in Java without creating a new array on heap
...on't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not the array – which would be useful in the case of a large array.
That said, if one is looking for bre...