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How many String objects will be created when using a plus sign?
...s at runtime. I'm just going by what IL is produced.
Finally, as regards interning, constants and literals are interned, but the value which is interned is the resulting constant value in the IL, not the literal. This means that you might get even fewer string objects than you expect, since multi...
Printing leading 0's in C?
...i, o, u, x, X, a, A, e,
E, f, F, g, and G conversions, the converted value is padded on
the left with zeros rather than blanks. If the 0 and - flags
both appear, the 0 flag is ignored. If a precision is given
with a numeric c...
Why is ArrayDeque better than LinkedList
... ArrayDeque is better than Java's LinkedList as they both implement Deque interface.
8 Answers
...
“Rate This App”-link in Google Play store app on the phone
...Uri.parse("market://details?id=$packageName")
val goToMarket = Intent(Intent.ACTION_VIEW, uri)
// To count with Play market backstack, After pressing back button,
// to taken back to our application, we need to add following flags to intent.
goToMark...
Is there an alternative to string.Replace that is case-insensitive?
...gComparison comparison)
{
StringBuilder sb = new StringBuilder();
int previousIndex = 0;
int index = str.IndexOf(oldValue, comparison);
while (index != -1)
{
sb.Append(str.Substring(previousIndex, index - previousIndex));
sb.Append(newValue);
index += old...
How do I calculate square root in Python?
...int division by default,
from __future__ import division
Or, you could convert 1 or 2 of 1/2 into a floating point value.
sqrt = x**(1.0/2)
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How to know the size of the string in bytes?
...ce each Char is UTF16/2-bytes) if you want the same number of bytes as the internal representation of a string. If you actually want the exact amount of memory the entire object takes, rather than just the number of bytes in its internal character array, then you might consider a more general method...
ReSharper Abbreviations List: Where can I modify it?
I am using ReSharper 4.5, and what often happens when I am converting explicit properties into auto-properties, is that I will accidentally chose "Add XX to abbreviations list".
...
Why should I use the keyword “final” on a method parameter in Java?
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Stop a Variable’s Reassignment
While these answers are intellectually interesting, I've not read the short simple answer:
Use the keyword final when you want the compiler to prevent a
variable from being re-assigned to a different object.
Whether the variable is a static ...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
Why are pointers such a leading factor of confusion for many new, and even old, college level students in C or C++? Are there any tools or thought processes that helped you understand how pointers work at the variable, function, and beyond level?
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