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Defining a HTML template to append using JQuery
...ey're read from a DB, or someone could pass in HTML (and then run scripts, etc.) from your page.
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Twitter image encoding challenge [closed]
... 4 = 64 colors) that simply gets blended in in some proportion. Mathematically, this is equivalent to a variable brightness and constant contrast adjustment for each color. Unfortunately, it also means there's no negative contrast to flip the colors.
Once it's computed the position, orientation a...
How to search in array of object in mongodb
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Use $elemMatch to find the array of particular object
db.users.findOne({"_id": id},{awards: {$elemMatch: {award:'Turing Award', year:1977}}})
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Hide files with certain extension in Sublime Text Editor?
is it possible to hide all the files with certain extension from the sidebar (lateral nav bar) in Sublime Text Editor 3?
2 ...
When and why are database joins expensive?
...ires retrieval of only the keys. In practice, not even the key values are fetched: the key hash values are used for join comparisons, mitigating the cost of multi-column joins and radically reducing the cost of joins involving string comparisons. Not only will vastly more fit in cache, there's a lot...
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
... Whatever the reason for the type load exception, FileNotFound, BadImage, etc, will still throw on every access to the types that are in issue.
– sweetfa
Oct 16 '12 at 1:27
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When should assertions stay in production code? [closed]
...age is compiled or interpreted, your roll-out plans, obfuscation strategy, etc. I have seen one case where a comment actually caused a bug, but that was a weird one.
– DaveWalley
Feb 25 '14 at 22:57
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How do I concatenate two strings in C?
...-terminator.
char* concat(const char *s1, const char *s2)
{
const size_t len1 = strlen(s1);
const size_t len2 = strlen(s2);
char *result = malloc(len1 + len2 + 1); // +1 for the null-terminator
// in real code you would check for errors in malloc here
memcpy(result, s1, len1);
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jquery disable form submit on enter
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Usually form is submitted on Enter when you have focus on input elements.
We can disable Enter key (code 13) on input elements within a form:
$('form input').on('keypress', function(e) {
return e.which !== 13;
});
DEMO: ...
Why is it common to put CSRF prevention tokens in cookies?
...ie will be submitted for every request (i.e. all GETs for images, CSS, JS, etc, that are not involved in the CSRF process) increasing request size.
Cookie cannot be HTTP Only.
So the cookie approach is fairly dynamic offering an easy way to retrieve the cookie value (any HTTP request) and to use i...