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subtle differences between JavaScript and Lua [closed]
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A couple of subtle differences that will catch you out at least once:
Not equal is spelled ~= in Lua. In JS it is !=
Lua arrays are 1-based - their first index is 1 rather than 0.
Lua requires a colon rather than a period to call object methods. You write a:foo() instead of a.foo(...
How do you run a Python script as a service in Windows?
...off note, I don't think NT would be necessarily "contrary" to the name, at least not in programmer-folk speech. It just refers to the "NT architecture", as opposed to the "NT brand". That said, according to talk on wikipedia this is up to debate, since "it's not an official Microsoft term", but ther...
Count(*) vs Count(1) - SQL Server
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it should evaluate SYS_GUID() at least (I mean, exactly) once for the sub-query to return result, right?
– asgs
Oct 28 '18 at 20:09
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What integer hash function are good that accepts an integer hash key?
...n should
be bijective to not loose information, if possible and have the least collisions
cascade as much and as evenly as possible, i.e. each input bit should flip every output bit with probability 0.5.
Let's first look at the identity function. It satisfies 1. but not 2. :
Input bit n deter...
git-diff to ignore ^M
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You're not working with CRLF files here, at least not in the example you posted. That's an old-style mac file (just uses \r for EOL). That's why the diff is being shown on one line. A file using dos EOL would show each line distinctly with a trailing ^M, which you c...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
...20Developer%20Experience%20Team
Probably, one will suite your needs or at least be adaptable to them.
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Tables instead of DIVs [duplicate]
...data, then it is not tabular data - it is just linear content. You need at least two rows and two columns before it can be considered tabular data.
Some examples:
Using tables for placing sidebars and page headers/footers. This is not tabular data but page layout. Something like css grid or flexbo...
What's the difference between echo, print, and print_r in PHP?
...and var_dump() will echo by default, add a second argument to print_r() at least that evaluates to true to get it to return instead, e.g. print_r($array, TRUE).
The difference between echoing and returning are:
echo: Will immediately print the value to the output.
returning: Will return the funct...
Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]
...rous reCAPTCHA images, and it was actually some of the easiest ones (or at least quickest) broken.
UPDATE: CAPTCHA Killer's website is now taken down, apparently under legal pressure. See http://captcha.org/ for a complete overview of the topic.
And yeah, OCR is not the best way to break a CAPTC...
What are bitwise operators?
... << 8) | D;
Assuming that A is the most-significant byte and D the least. It would end up as:
A = 01000000
B = 00000101
C = 00101011
D = 11100011
val = 01000000 00000101 00101011 11100011
Colors are often stored this way (with the most significant byte either ignored or used as Alpha):
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