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Worst security hole you've seen? [closed]
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From early days of online stores:
Getting a 90% discount by entering .1 in the quantity field of the shopping cart. The software properly calculated the total cost as .1 * cost, and the human packing the order simply glossed over the odd "." i...
How can I list ALL DNS records?
...s requires downloading the 87GB of DNS data, alternatively you can try the online search of the data at https://hackertarget.com/find-dns-host-records/
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How do you move a file?
...as native support for moving files.
svn move SOURCE DESTINATION
See the online help (svn help move) for more information.
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Difference between subprocess.Popen and os.system
...t. Have a look at basic tutorials from effbot.org (Python Standard Library online book)
– Senthil Kumaran
Jan 27 '11 at 8:40
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Disabling Chrome cache for website development
...d Disable Cache are working only when working on localhost, on my mac. For online content I m refreshing and refreshing hoping to see any changes. This extension is a lifesaver.
– Sbpro
Feb 24 '14 at 17:31
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How do I show the value of a #define at compile-time?
...ssage "The value of ABC: " XSTR(ABC)
See: 3.4 Stringification in the gcc online documentation.
How it works:
The preprocessor understands quoted strings and handles them differently from normal text. String concatenation is an example of this special treatment. The message pragma requires an arg...
How to extract img src, title and alt from html using php? [duplicate]
...with regexps, it handy to have good tools to quickly test them. Check this online regexp tester.
EDIT : answer to the first comment.
It's true that I did not think about the (hopefully few) people using single quotes.
Well, if you use only ', just replace all the " by '.
If you mix both. First ...
How can I scale an image in a CSS sprite
... I made a new Codepen Stretchy version, as the original website isn't online anymore and maaaaybe there are still some people out there that need a backward compatible solution. I've made the Pen with attribution of the original work/author
– All Bits Equal
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What does the arrow operator, '->', do in Java?
... new lambda expressions, to be introduced in Java 8. There are a couple of online tutorials to get the hang of it, here's a link to one. Basically, the -> separates the parameters (left-side) from the implementation (right side).
The general syntax for using lambda expressions is
(Parameters) -&g...
minimum double value in C/C++
...< x.
Meaningful for all specializations in which is_bounded != false.
Online demo
Lots of non portable C++ answers here !
There are many answers going for -std::numeric_limits<double>::max().
Fortunately, they will work well in most of the cases. Floating point encoding schemes decompos...