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Why is sizeof considered an operator?
...
Because the C standard says so, and it gets the only vote.
As consequences:
The operand of sizeof can be a parenthesised type, sizeof (int), instead of an object expression.
The parentheses are unnecessary: int a; printf("%d\n", sizeof a); is perfectly fine. They're often seen, firstly bec...
How to reload/refresh an element(image) in jQuery
...ssible to reload an image with an identical file name from a server using jQuery?
12 Answers
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Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
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You're using the dequeueReusableCellWithIdentifier:forIndexPath: method. The documentation for that method says this:
Important: You must register a class or nib file using the registerNib:forCellReuseIdentifier: or registerClass:forCellRe...
git diff renamed file
...ge.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
--- a/a.txt
+++ b/a.txt
@@ -1 +1 @@
-hello
+goodbye
diff --git a/a.txt b/test/a.txt
similarity index 100%
copy from a.txt
copy to test/a.txt
Incidentally, if you restrict your diff to just one ...
HTML5: Slider with two inputs possible?
...t-slider-thumb {
pointer-events: all;
position: relative;
z-index: 1;
outline: 0;
}
section.range-slider input::-moz-range-thumb {
pointer-events: all;
position: relative;
z-index: 10;
-moz-appearance: none;
width: 9px;
}
section.range-slider inpu...
NGinx Default public www location?
... changed to:
/usr/share/nginx/html
2019 EDIT:
Might try in /var/www/html/index.nginx-debian.html too.
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Is there any algorithm in c# to singularize - pluralize a word?
...vers a small sections of grammar though, it doesn't account for words like quizzes, parties, halves, mice, indices, etc. It's a good first stab, but there are a lot of other rules that should probably be processed first.
– Jeremy S
Jan 12 '10 at 19:23
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When should I use Struct vs. OpenStruct?
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Benchmark.bm 20 do |x|
x.report 'OpenStruct slow' do
REP.times do |index|
OpenStruct.new(:name => "User", :age => 21)
end
end
x.report 'OpenStruct fast' do
REP.times do |index|
OpenStruct.new(HASH)
end
end
x.report 'Struct slow' do
REP.times do |...
How Scalable is SQLite? [closed]
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edit: I just realized that I may not have been fair to SQLite - I didn't index any columns in the SQLite database when I was serving it from a web page. This partially caused the slowdown I was experiencing. However, the observation of database-locking stands - if you have particularly onerous upd...
How to get all Errors from ASP.Net MVC modelState?
... Very helpful. Note in some scenarios, such as binding failures and bad requests, there will be ModelState entries with empty string for Value.ErrorMessage and instead a Value.Exception.Message
– AaronLS
Sep 16 '14 at 1:12
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