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What's an object file in C?
...guage code (represented in English) into machine language (represented in Hex) using an assembler.
Here's a typical high level flow for this process for code in High Level Language such as C
--> goes through pre-processor
--> to give optimized code, still in C
--> goes through compil...
How to check file MIME type with javascript before upload?
...below.
Screenshot
// Return the first few bytes of the file as a hex string
function getBLOBFileHeader(url, blob, callback) {
var fileReader = new FileReader();
fileReader.onloadend = function(e) {
var arr = (new Uint8Array(e.target.result)).subarray(0, 4);
var header = ""...
How can I store my users' passwords safely?
...ik/Lib/PepperedPasswords;
// Some long, random, binary string, encoded as hexadecimal; stored in your configuration (NOT in your Database, as that would defeat the entire purpose of the pepper).
$config['pepper'] = hex2bin('012345679ABCDEF012345679ABCDEF012345679ABCDEF012345679ABCDEF');
$hasher = ...
What are some examples of commonly used practices for naming git branches? [closed]
...g for new users.
Do not use bare numbers
Do not use use bare numbers (or hex numbers) as part of your branch naming scheme. Inside tab-expansion of a reference name, git may decide that a number is part of a sha-1 instead of a branch name. For example, my issue tracker names bugs with decimal num...
RE error: illegal byte sequence on Mac OS X
...try the following:
# Convert bytes in the 8-bit range (high bit set) to hex. representation.
# -> 'voil\x{e0}'
iconv -f ASCII --byte-subst='\x{%02x}' <<<$'voil\x{e0}'
The output will show you all bytes that have the high bit set (bytes that exceed the 7-bit ASCII range) in hexadec...
CALL command vs. START with /WAIT option
... | /ABOVENORMAL | /BELOWNORMAL]
[/NODE <NUMA node>] [/AFFINITY <hex affinity mask>] [/WAIT] [/B]
[command/program] [parameters]
"title" Title to display in window title bar.
path Starting directory.
B Start application without creating a new window. The
...
What are “first class” objects?
...t__', '__floordiv__', '__getattribute__', '__getnewargs__', '__hash__', '__hex__', '__index__', '__init__', '__int__', '__invert__', '__long__', '__lshift__', '__mod__', '__mul__', '__neg__', '__new__', '__nonzero__', '__oct__', '__or__', '__pos__', '__pow__', '__radd__', '__rand__', '__rdiv__', '__...
Is ASCII code 7-bit or 8-bit?
...et in a text editor, setting the encoding to ASCII, and viewing the binary/hex:
Aside: the use of (strictly) ASCII encoding is now uncommon, in favor of UTF-8 (which does not waste the MSB mentioned above - in fact, an MSB of 1 indicates the code point is encoded with more than 1 byte).
...
When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ed are often chosen to not only look unusual and obvious when looking at a hex dump, but are designed to have certain properties that may take advantage of features of the processor. For example, odd values are often used, because they could cause an alignment fault. Large values are used (as oppo...
What is the difference between ELF files and bin files?
...b So .elf files can be burned onto a micro-controller just like a regular .hex file but it takes more flash memory, and every time the micro is reset, the sections addresses changes?
– Aelgawad
Jan 16 '16 at 20:17
...