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Why is list initialization (using curly braces) better than the alternatives?
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Basically copying and pasting from Bjarne Stroustrup's "The C++ Programming Language 4th Edition":
List initialization does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that cannot hold its value. For ex...
Is std::vector so much slower than plain arrays?
...() to new[] in UseArray so the objects would get constructed. And changing from individual field assignment to assigning a Pixel instance. Oh, and renaming the inner loop variable to j.
void UseArray()
{
TestTimer t("UseArray");
for(int i = 0; i < 1000; ++i)
{
int dimensi...
What characters are allowed in an email address?
... rejections of actual email addresses in the current and future world, and from anywhere in the world, you need to know at least the high-level concept of RFC 3490, "Internationalizing Domain Names in Applications (IDNA)". I know folks in US and A often aren't up on this, but it's already in widespr...
Get fully qualified class name of an object in Python
...ore circumspect approach.
# Alas, the module name is explicitly excluded from __qualname__
# in Python 3.
module = o.__class__.__module__
if module is None or module == str.__class__.__module__:
return o.__class__.__name__ # Avoid reporting __builtin__
else:
return module + '.' +...
Why are functions and methods in PHP case-insensitive?
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Let me quote from Interview – PHP’s Creator, Rasmus Lerdorf
The first version of PHP was a simple set of tools that I put together for my Website and for a couple of projects. One tool did some fancy hit logging to an mSQL database, ...
Compiling problems: cannot find crt1.o
...Ubuntu this worked sudo apt-get install gcc-multilib and it fixed my error from gfortran -m32 ...
– randwa1k
Sep 10 '14 at 1:11
1
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continue processing php after sending http response
My script is called by server. From server I'll receive ID_OF_MESSAGE and TEXT_OF_MESSAGE .
12 Answers
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java.lang.OutOfMemoryError: Java heap space
...rofiler.netbeans.org) which has very good documentation about the profile, from the very basics to more advanced use.
– Thomas Owens
Oct 20 '09 at 18:03
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Is there a Unix utility to prepend timestamps to stdin?
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ts from moreutils will prepend a timestamp to every line of input you give it. You can format it using strftime too.
$ echo 'foo bar baz' | ts
Mar 21 18:07:28 foo bar baz
$ echo 'blah blah blah' | ts '%F %T'
2012-03-21 18:07:30...
What's the purpose of the LEA instruction?
...ept it only does the indirection and not the MOV. It doesn't actually read from the computed address, just computes it.
– hobbs
Aug 28 '13 at 2:57
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