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How does comparison operator works with null int?
...to false except for != (not equal). It is important not to
assume that because a particular comparison returns false, the
opposite case returns true. In the following example, 10 is not
greater than, less than, nor equal to null. Only num1 != num2
evaluates to true.
int? num1 = 10;
int? nu...
How to do this using jQuery - document.getElementById(“selectlist”).value
... my head against a wall for an hour until I realized that getElementById() can't be replaced by $(). Thank you so much for this answer!
– knite
Aug 17 '12 at 9:16
3
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JSON.parse vs. eval()
...ript (including returned values from servlets or other web services you've called). You cannot guarantee users have not entered malicious JavaScript either directly into your client app, or indirectly because of unvalidated data stored in the server's database and then passed on to your program via ...
Reading GHC Core
Core is GHC's intermediate language. Reading Core can help you better understand the performance of your program. Someone asked me for documentation or tutorials on reading Core, but I couldn't find much.
...
How does _gaq.push(['_trackPageLoadTime']) work?
...t: As of November 16th 2011, the _trackPageLoadTime function has been deprecated and its functionality has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.)
_setSiteSpeedSampleRate is the new function for setting the sample...
Converting Go struct to JSON
...
You need to export the User.name field so that the json package can see it. Rename the name field to Name.
package main
import (
"fmt"
"encoding/json"
)
type User struct {
Name string
}
func main() {
user := &User{Name: "Frank"}
b, err := json.Marshal(user)
...
Copying files using rsync from remote server to local machine
...erver, what would the command be to copy all files from a directory to a local directory on my machine?
2 Answers
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JOIN two SELECT statement results
...
Accepted this answer because it answers the question I asked best, and it's formatted to be a great reference on JOINing SELECT statements :)
– sylverfyre
May 10 '12 at 18:13
...
What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
...
I use the $() in make to avoid causing myself confusion (more than already exists) between make and shell variables. GNU Make documentation on variable references.
– Etan Reisner
Aug 7 '14 at 15:02
...
Is there a CSS not equals selector?
...
In CSS3, you can use the :not() filter, but not all browsers fully support CSS3 yet, so be sure you know what you're doing which is now
supported by all major browsers (and has been for quite some time; this is an old answer...).
Exampl...