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How to know the size of the string in bytes?
...ject takes, rather than just the number of bytes in its internal character array, then you might consider a more general method.
– Bob
Jul 2 '14 at 2:25
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How does Java handle integer underflows and overflows and how would you check for it?
... is also a well-known exploitable security issue, especially as it affects array, stack and list objects.
Overflow can occur in either a positive or negative direction where the positive or negative value would be beyond the maximum or minimum values for the primitive type in question. Overflow ca...
What Every Programmer Should Know About Memory?
...ry other for 256b AVX1/AVX2, which often doesn't slow down looping over an array that wasn't in L1D.
Unaligned load instructions have zero penalty if the address is aligned at runtime, but compilers (especially gcc) make better code when autovectorizing if they know about any alignment guarantees. ...
matplotlib colorbar for scatter
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From the matplotlib docs on scatter 1:
cmap is only used if c is an array of floats
So colorlist needs to be a list of floats rather than a list of tuples as you have it now.
plt.colorbar() wants a mappable object, like the CircleCollection that plt.scatter() returns.
vmin and vmax can then...
“Single-page” JS websites and SEO
...u may have to use an uncompiled template on the client, looping through an array of users to build a list. The view re-renders every time a user's model changes. How would you do that without duplicating the templates (and not asking the server to render the view for the client)?
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Expand a random range from 1–5 to 1–7
...it work? Think of it like this: imagine printing out this double-dimension array on paper, tacking it up to a dart board and randomly throwing darts at it. If you hit a non-zero value, it's a statistically random value between 1 and 7, since there are an equal number of non-zero values to choose fro...
Getting the return value of Javascript code in Selenium
...el) {
URLs.push(el.href)
});
return URLs
''')
result will contain the array that is in URLs this case.
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What is a “memory stomp”?
...undefined behavior.
Very likely variable i in memory is stored just after array. So accessing a[10] could actually access i in other words it could reset loop counter.
I think it is good example that demonstrates memory "stomping".
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C# equivalent to Java's charAt()?
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You can index into a string in C# like an array, and you get the character at that index.
Example:
In Java, you would say
str.charAt(8);
In C#, you would say
str[8];
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How can I concatenate regex literals in JavaScript?
...g;
you find it more readable to separate your small pattern chunks into an array;
you also want to be able to comment each part for next dev or yourself later;
you prefer to visually simplify your regex like /this/g rather than new RegExp('this', 'g');
it's ok for you to assemble the regex in an ext...