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How to find the size of localStorage
...ntil DevTools are opened)
Opera 12.15 ~4212ms /3.55Mb (this is when 5Mb is selected, but Opera asks nicely if we want increase the amount of lS, unfortunately it crashes if test conducted a few times in a row)
Win 8 (Under Parallels 8)
IE10 ~7850ms /9.54Mb
...
C++11 reverse range-based for-loop
...everse (T&& iterable) { return { iterable }; }
This works like a charm, for instance:
template <typename T>
void print_iterable (std::ostream& out, const T& iterable)
{
for (auto&& element: iterable)
out << element << ',';
out << '\n...
How does a garbage collector avoid an infinite loop here?
...] in <filename unknown>:0
at System.IO.StreamWriter.Write (System.Char[] buffer, Int32 index, Int32 count) [0x00000] in <filename unknown>:0
at System.IO.CStreamWriter.Write (System.Char[] buffer, Int32 index, Int32 count) [0x00000] in <filename unknown>:0
at System.IO.CSt...
What is the difference between String and string in C#?
...nt64
float: System.Single
double: System.Double
decimal: System.Decimal
char: System.Char
Apart from string and object, the aliases are all to value types. decimal is a value type, but not a primitive type in the CLR. The only primitive type which doesn't have an alias is System.IntPtr.
In ...
When is a C++ destructor called?
...
I think Foo myfoo("foo") is not Most Vexing Parse, but char * foo = "foo"; Foo myfoo(foo); is.
– Cosine
May 13 '14 at 0:58
...
How to check for valid email address? [duplicate]
...TLD to alphanumeric right now (still haven't seen a TLD that has non-ASCII chars). Using this now: re.compile(r"[^@\s]+@[^@\s]+\.[a-zA-Z0-9]+$")
– gaefan
Aug 29 '15 at 15:39
...
What is the memory consumption of an object in Java?
... storage overhead.
String: a String's memory growth tracks its internal char array's growth. However, the String class adds another 24 bytes of overhead.
For a nonempty String of size 10 characters or less, the added overhead cost relative to useful payload (2 bytes for each char plus 4 byte...
JavaScript - Replace all commas in a string [duplicate]
...ave issues?
It is important to note, that regular expressions use special characters that need to be escaped. As an example, if you need to escape a dot (.) character, you should use /\./ literal, as in the regex syntax a dot matches any single character (except line terminators).
var myStr = ...
How to unescape HTML character entities in Java?
...ally I would like to decode a given Html document, and replace all special chars, such as "&nbsp;" -> " " , "&gt;" -> ">" .
...
What do Clustered and Non clustered index actually mean?
...CLARE @C1 AS CURSOR,
@X AS INT
SET @C1 = CURSOR FAST_FORWARD
FOR SELECT number
FROM master..spt_values
WHERE type = 'P'
AND number BETWEEN 1 AND 100
ORDER BY CRYPT_GEN_RANDOM(4)
OPEN @C1;
FETCH NEXT FROM @C1 INTO @X;
WHILE @@FETCH_STATUS = 0
BEGIN
INSE...