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Convert a byte array to integer in Java and vice versa
...default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(num);
byte[] bytes = dbuf.array(); // { 0, 1 }
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How can I pretty-print JSON in a shell script?
... do it all in one go with curl on the command line using an authentication token:
curl -X GET -H "Authorization: Token wef4fwef54te4t5teerdfgghrtgdg53" http://testsite/api/ | python -mjson.tool
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Difference between python3 and python3m executables
... will
also contribute to the file name:
--with-pydebug (flag: d)
--with-pymalloc (flag: m)
--with-wide-unicode (flag: u)
via PEP 3149.
Regarding the m flag specifically, this is what Pymalloc is:
Pymalloc, a specialized object allocator written by Vladimir
Marangozov, was a feature added to Python...
How do HttpOnly cookies work with AJAX requests?
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Many frameworks put csrf token in cookies. I suppose AJAX call that needs a csrf check won't work unless you put the csrf token in a hidden HTML element for the JS to retrieve it.
– user
Feb 5 '15 at 14:26
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MISCONF Redis is configured to save RDB snapshots
... linux machines) but a lot of the times BGAVE fails because the fork can't allocate memory. Many times the fork fails to allocate memory (although the machine has enough RAM available) because of a conflicting optimization by the OS.
As can be read from Redis FAQ:
Redis background saving schema rel...
String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
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When should I use mmap for file access?
...programs; program A which reads in a 1MB file into a buffer creating with malloc, and program B which mmaps the 1MB file into memory. If the operating system has to swap part of A's memory out, it must write the contents of the buffer to swap before it can reuse the memory. In B's case any unmodif...
What are valid values for the id attribute in HTML?
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For HTML 4, the answer is technically:
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
HTML 5 is even more permissive, saying only that an...
How do I get the result of a command in a variable in windows?
...ple i gave with the 'CD' command.
set _readfile=test.txt
for /f "usebackq tokens=2 delims=:" %%a in (`find /c /v "" %_readfile%`) do set _max=%%a
set /a _max+=1
set _i=0
set _filename=temp.dat
rem ---------
rem Make the list
rem ---------
:makeList
find /n /v "" %_readfile% >%_filename%
rem -...
Passing a 2D array to a C++ function
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What about passing dynamically allocated arrays to functions in C++? In C11 standard it can be done for statically and dynamically allocated arrays like that fn(int col,int row, int array[col][row]): stackoverflow.com/questions/16004668/… I have made the...