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Why prefer two's complement over sign-and-magnitude for signed numbers?
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Even though this question is old , let me put in my 2 cents.
Before I explain this ,lets get back to basics. 2' complement is 1's complement + 1 .
Now what is 1's complement and what is its significance in addition.
Sum of any n-bit number and its 1's complement gives you...
Hash and salt passwords in C#
... convert them to strings unless you want to put them into text files.
In my book, Beginning ASP.NET Security, (oh finally, an excuse to pimp the book) I do the following
static byte[] GenerateSaltedHash(byte[] plainText, byte[] salt)
{
HashAlgorithm algorithm = new SHA256Managed();
byte[] pl...
Fastest way to check if a string is JSON in PHP?
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All you really need to do is this...
if (is_object(json_decode($MyJSONArray)))
{
... do something ...
}
This request does not require a separate function even. Just wrap is_object around json_decode and move on. Seems this solution has people putting way too much thought into it.
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Try catch statements in C
...nsGustedt I kinda reacted towards hate/fear of goto and people who use it (my teachers told me scary stories of goto usage on university too). [OT] Only thing that is really, really risky and 'cloudy' thing about goto is to 'goto backwards', but I've seen that in Linux VFS (git blame guy swore that ...
C++ STL Vectors: Get iterator from index?
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I'd want ot add my five cents to this answer and recommend std::next(v.begin(), index)
– stryku
Nov 6 '17 at 18:42
a...
How to process POST data in Node.js?
...n(8080)
Limiting the Amount of Data
As other answers have noted keep in my mind that malicious clients might send you a huge amount of data to crash your application or fill your memory so to protect that make sure you drop requests which emit data pass a certain limit. If you don't use a library...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...k initially.
After multiple attempts, finally got it working.
Am pasting my final version here - hoping it will benefit somebody else.
<build>
<plugins>
<!--
Copy all Maven Dependencies (-MD) into libMD/ folder to use in classpath via shellscrip...
What is the meaning of the term “thread-safe”?
...nd understand substance before reacting emotionally. Nothing uncivil about my comment. I was making a point about the meaning of the definition. Sorry if the examples I used to illustrate the point made you uncomfortable.
– Charles Bretana
Jun 5 '18 at 20:20
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Is there a way to automate the android sdk installation?
...install_sdk "${package_index}"
echo
echo
done
You can also see it on my Github repo
The good:
Not depend on expect.
Headless.
The downsides:
You still have to install basic SDK manually, and put android into your path.
Script only works on unix.
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Why is early return slower than else?
...)).repeat()
[0.3810395594970828, 0.2969634408842694, 0.2960104566362247]
My guess is that without_else has a hash collision with something else in globals() so the global name lookup is slightly slower.
Edit: A dictionary with 7 or 8 keys probably has 32 slots, so on that basis without_else has a...