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How to use SQL Order By statement to sort results case insensitive?
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@Vincy: I don't see what's so weird about case-sensitive string comparison. That's how the <, ==, etc. operators work by default in every programming language that I'm familiar with.
– dan04
Feb 13 '18 at 17:31
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Accessing the web page's HTTP Headers in JavaScript
...d like to get the actual response headers of the original page request without issuing another one.
For AJAX Requests:
If an HTTP request is made over AJAX, it is possible to get the response headers with the getAllResponseHeaders() method. It's part of the XMLHttpRequest API. To see how this can be...
How can I get a precise time, for example in milliseconds in Objective-C?
...h what actually happened; your performance tests will have weird incorrect outliers; and your manual timers will trigger after incorrect durations. Time might even go backwards, and you end up with negative deltas, and you can end up with infinite recursion or dead code (yeah, I've done both of thes...
What are the default access modifiers in C#?
...eclare for that member".
So for example:
namespace MyCompany
{
class Outer
{
void Foo() {}
class Inner {}
}
}
is equivalent to
namespace MyCompany
{
internal class Outer
{
private void Foo() {}
private class Inner {}
}
}
The one sort of ...
Can two different strings generate the same MD5 hash code?
... random collisions are negligibly small -- nothing that you should worry about. Considering the birthday paradox, given a set of 2^64 (or 18,446,744,073,709,551,616) assets, the probability of a single MD5 collision within this set is 50%. At this scale, you'd probably beat Google in terms of storag...
String to Dictionary in Python
... @John: It indicates a Unicode string. I put it mostly just out of habit, but presumably the Facebook API can give back data with non-ASCII characters in it; in that case, the data would be encoded (probably in UTF-8), and decode()-ing it would yield a unicode string -- which is what ...
ggplot2 keep unused levels barplot
... 0) in my bar-plot, however, unused levels are dropped and I cannot figure out how to keep them
4 Answers
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What is lexical scope?
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{
printf("%d", x);
}
}
Every inner level can access its outer levels.
There is another way, called dynamic scope used by the first implementation of Lisp, again in a C-like syntax:
void fun()
{
printf("%d", x);
}
void dummy1()
{
int x = 5;
fun();
}
void dummy2()
{...
Regular expression: find spaces (tabs/space) but not newlines
...ion that tests for spaces or tabs but not newlines. I tried \s but found out that it tests for newlines too.
5 Answers
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How can I use vim to convert my file to utf8?
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The instructions turn out to work fine, but: 1) utf-8 doesn't have endianness (like vim help explains, the utf-8 BOM merely indicates that the file is utf-8); 2) When you open the file again later, you need to have set fileencoding=utf-8 again up ...