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How does this milw0rm heap spraying exploit work?
... mov eax,ss
00000047 AD lodsd
00000048 A844 test al,0x44
0000004A 52 push edx
0000004B 4A dec edx
0000004C 3B81B80DD748 cmp eax,[ecx+0x48d70db8]
00000052 4B dec ebx
00000053 D46C aam 0x6c
00000055 46 ...
What is the difference between And and AndAlso in VB.NET?
...). Use OrElse and AndAlso to "short circuit" an operation to save time, or test the validity of an evaluation prior to evaluating it. If valid(evaluation) andalso evaluation then or if not (unsafe(evaluation) orelse (not evaluation)) then
Bonus: What is the value of the following?
Dim e = Not 0 An...
Error message “Forbidden You don't have permission to access / on this server” [closed]
...ss this, all other hosts are denied
Example 2
Order allow,deny
Deny from evil.com
Allow from safe.evil.com # <-- has no effect since this will be evaluated first
All requests are denied, the last line may trick you, but remember that if matched by both the last win rule (here Deny is the last...
Java Class.cast() vs. cast operator
Having being taught during my C++ days about evils of the C-style cast operator I was pleased at first to find that in Java 5 java.lang.Class had acquired a cast method.
...
How to store a command in a variable in a shell script?
...ed
Even before being called.
To check and confirm this, you cand do:
echo test;
X=$(for ((c=0; c<=5; c++)); do
sleep 2;
done);
echo note the 5 seconds elapsed
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Structs versus classes
...e to stretch. In the meantime "it can be faster both ways, here's why, now test and find out which applies in this case" is useful to be able to say :)
– Jon Hanna
Oct 15 '10 at 15:03
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In PHP, what is a closure and why does it use the “use” identifier?
...
This is how PHP expresses a closure. This is not evil at all and in fact it is quite powerful and useful.
Basically what this means is that you are allowing the anonymous function to "capture" local variables (in this case, $tax and a reference to $total) outside of it s...
What to do Regular expression pattern doesn't match anywhere in string?
... type of piece, or for more particular types than these.
I have no failing test cases (left :): I’ve successfully run this code on more than 100,000 HTML files — every single one I could quickly and easily get my hands on. Beyond those, I’ve also run it on files specifically constructed to bre...
Why can't I inherit static classes?
...ay. You might as well call Base.Method() explicitly. You can write a small test and see the result with Reflector.
So... if you can't inherit static members, and if static classes can contain only static members, what good would inheriting a static class do?
...
Replace one character with another in Bash
...acters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash 5.0.11 took 17s. With 2M tr took 0.07s (expec...