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Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...re, this last one was mine ;) )
https://www.owasp.org/images/d/d4/OWASP_IL_2007_SQL_Smuggling.pdf (based on the previous paper, which is no longer available)
Point is, any blacklist you do (and too-permissive whitelists) can be bypassed. The last link to my paper shows situations where even quote ...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...essed'.
– Monsignor
Feb 11 '11 at 4:20
54
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Javascript: negative lookbehind equivalent?
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Lookbehind Assertions got accepted into the ECMAScript specification in 2018.
Positive lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<=\$)\d+(\.\d*)?/) // Matches "9.99"
);
Negative lookbehind usage:
console.log(
"$9.99 €8.47".match(/(?<!\$)\d+(?:\.\d*)/...
When should I use Kruskal as opposed to Prim (and vice versa)?
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202
Use Prim's algorithm when you have a graph with lots of edges.
For a graph with V vertices E ...
How can I avoid running ActiveRecord callbacks?
...Rails. It works for us well. Check it out in my blog post: railsguides.net/2014/03/25/skip-callbacks-in-tests
– ka8725
Apr 11 '14 at 9:01
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string.charAt(x) or string[x]?
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Despite being the highest-scored this answer is now (2019) significantly out of date. The answer below quoting MDN should be referred to instead.
– Scott Martin
Feb 14 '19 at 10:57
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How do I wrap text in a UITableViewCell without a custom cell
...ize lineBreakMode:UILineBreakModeWordWrap];
return labelSize.height + 20;
}
I added 20 to my returned cell height because I like a little buffer around my text.
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Comparing two dataframes and getting the differences
...ilter
>>> df.reindex(idx)
Date Fruit Num Color
9 2013-11-25 Orange 8.6 Orange
8 2013-11-25 Apple 22.1 Red
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Can HTML checkboxes be set to readonly?
...heckbox's state
– Jessica Brown
Aug 20 '11 at 2:03
9
PS...if you want the checkbox to be in the c...
“The page you are requesting cannot be served because of the extension configuration.” error message
...adAliostad
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