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Why is “a” != “a” in C?
...ored in different locations. Doing so essentially looks like this:
if(0x00403064 == 0x002D316A) // Two memory locations
{
printf("Yes, equal");
}
Use the following code to compare two string values:
#include <string.h>
...
if(strcmp("a", "a") == 0)
{
// Equal
}
Additionally, "a...
How to control the line spacing in UILabel
...et paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.lineSpacing = 40
let attrString = NSMutableAttributedString(string: "Swift Answer")
attrString.addAttribute(.paragraphStyle, value:paragraphStyle, range:NSMakeRange(0, attrString.length))
var tableViewCell = NSTableCellView()
tableViewCe...
Passing variable number of arguments around
... Servy
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answered Oct 15 '08 at 17:11
SmacLSmacL
21.3k1010 gold badg...
Printing hexadecimal characters in C
...
134
You are seeing the ffffff because char is signed on your system. In C, vararg functions such as ...
Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
...
What exactly are iterator, iterable, and iteration?
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edited Aug 8 '14 at 15:53
Bryan
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answer...
How can I rename a database column in a Ruby on Rails migration?
...st db:migrate as usual or however you go about your business.
For Rails 4:
While creating a Migration for renaming a column, Rails 4 generates a change method instead of up and down as mentioned in the above section. The generated change method is:
$ > rails g migration ChangeColumnName
w...
How to get JSON from URL in JavaScript?
...uld look at this answer for pure JS solution: https://stackoverflow.com/a/2499647/1361042
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How to set timeout for http.Get() requests in Golang?
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edited Oct 4 '19 at 7:17
kubanczyk
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answered Aug...
How to split a comma-separated value to columns
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edited Mar 1 '19 at 0:47
answered Feb 28 '19 at 13:34
B...