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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...ell of table if source image is not found.
Currently below code is used to do so.
3 Answers
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SHA512 vs. Blowfish and Bcrypt [closed]
...used to irreversibly obscure passwords, just as hash functions are used to do a "one-way hash".
Cryptographic hash algorithms are designed to be impossible to reverse. In other words, given only the output of a hash function, it should take "forever" to find a message that will produce the same has...
What is size_t in C?
...a fundamental confusion. size_t is for objects in memory. The C standard doesn't even define stat() or off_t (those are POSIX definitions) or anything to do with disks or file systems - it stops itself at FILE streams. Virtual memory management is completely different from file systems and file m...
Detect iPad users using jQuery?
...It's preferred to use actual feature-detection in most cases, which can be done through a library like Modernizr.
As pointed out in Brennen's answer, issues can arise when performing this detection within the Facebook app. Please see his answer for handling this scenario.
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jQuer...
Working with time DURATION, not time of day
I'm doing some benchmarking, and I want to use Excel to produce graphs of the results. I've got a simple but annoying problem which is baking my noodle.
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What's the difference between utf8_general_ci and utf8_unicode_ci?
...es.
utf8mb4_general_ci is a simplified set of sorting rules which aims to do as well as it can while taking many short-cuts designed to improve speed. It does not follow the Unicode rules and will result in undesirable sorting or comparison in some situations, such as when using particular languag...
Delete newline in Vim
...tion use :join and :join! that will join lines keeping cursor position and do not keep any space at the joining point. you can also map it like: nnoremap <Leader>j :joing<cr> and nnoremap <Leader>gj :join!<cr>.
– SergioAraujo
Dec 17 '17...
Delete fork dependency of a GitHub repository
...through support to switch. Therefore, it is likely that there is no way to do that by yourself (unless you destroy and recreate your repo which is explained before... if you do so be careful if you have tickets or a wiki attached to your project as they will be deleted!).
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Create a pointer to two-dimensional array
I need a pointer to a static 2-dimensional array. How is this done?
10 Answers
10
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What is the difference between char s[] and char *s?
...ointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the literal string in read-only memory and copies the string to newly allocated memory on the stack. Thus making
s[0] = 'J';
legal.
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