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What is a bus error?

...nd of the allocated object. Unaligned stack memory accesses in ARMv8 aarch64 This was mentioned at: What is a bus error? for SPARC, but here I will provide a more reproducible example. All you need is a freestanding aarch64 program: .global _start _start: asm_main_after_prologue: /* misalign...
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What does “#define _GNU_SOURCE” imply?

Today I had to use the basename() function, and the man 3 basename ( here ) gave me some strange message: 4 Answers ...
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convert double to int

...ze of an int is always 32 bits, regardless of whether you're using a 32 or 64 bit machine. – Joren Nov 15 '10 at 10:15 3 ...
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Is “double hashing” a password less secure than just hashing it once?

...ions, but the idea is the same. Bcrypt also goes a step beyond most PBKDF2-based solutions by using the derived key to encrypt a well-known plain text. The resulting cipher text is stored as the "hash," along with some meta-data. However, nothing stops you from doing the same thing with PBKDF2. Her...
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Check if element exists in jQuery [duplicate]

...') , however when using jQuery, you do need to put hash to target elements based on id just like CSS. share | improve this answer | follow | ...
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Programmatically retrieve memory usage on iPhone

...mach_task_basic_info. My guess is that this version is not compatible with 64-bit architecture, but not really sure. – cprcrack Oct 30 '13 at 18:16 14 ...
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What's the best way to get the last element of an array without deleting it?

... on line 1 N4 = Notice: Undefined index: in Command line code on line 1 Based on this output I draw the following conclusions: newer versions of PHP perform better with the exception of these options that became significantly slower: option .6. $x = end((array_values($array))); option .8. $ke...
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How to find where gem files are installed

...MS VERSION: 2.1.5 - RUBY VERSION: 2.0.0 (2013-06-27 patchlevel 247) [x86_64-darwin12.4.0] - INSTALLATION DIRECTORY: /Users/ttm/.rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0 - RUBY EXECUTABLE: /Users/ttm/.rbenv/versions/2.0.0-p247/bin/ruby - EXECUTABLE DIRECTORY: /Users/ttm/.rbenv/versions/2...
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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED

... piggybackpiggyback 7,9641010 gold badges4242 silver badges7474 bronze badges ...
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How to get ASCII value of string in C#

...wered Dec 30 '08 at 16:28 LeppyR64LeppyR64 4,66211 gold badge2626 silver badges3232 bronze badges ...