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HTML select form with option to enter custom value
...lected option value, or entered text, to a GET of the same page as a query string. Does anyone know how to convert the action to a POST, so I can grab the value in a php file and do something with it there?
– Han
Sep 29 '19 at 8:17
...
Missing Push Notification Entitlement
...then before submitting the app tap the arrow beside the "(X) Entitlements" string to expand the entitlements and see the value of the keychain-access-group entitlement.
Archive your app and attempt to submit it to the point of getting to the final "Submit" button. You should see this app was now bui...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...gin: <------------------------------- new column in 5.5
authentication_string: <------------------------------- new column in 5.5
1 row in set (0.00 sec)
There are also new tables in 5.5, such as mysql.proxies_user: make sure you have them.
When installing a brand new mysql server instance...
What is the benefit of using $() instead of backticks in shell scripts?
..."x is `sed ... <<<\"$y\"`"
or writing something like:
IPs_inna_string=`awk "/\`cat /etc/myname\`/"'{print $1}' /etc/hosts`
because $() uses an entirely new context for quoting
which is not portable as Bourne and Korn shells would require these backslashes, while Bash and dash don't.
S...
When should I use a struct instead of a class?
....X = x;
this.Y = y;
this.Z = z;
}
public override string ToString()
{
return "(X=" + this.X + ", Y=" + this.Y + ", Z=" + this.Z + ")";
}
public override int GetHashCode()
{
return (this.X + 2) ^ (this.Y + 2) ^ (this.Z + 2);
}
public ...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...A.class.isAssignableFrom(b.getClass());
}
public static void main(String[] args) throws RunnerException {
Options opt = new OptionsBuilder()
.include(TestPerf2.class.getSimpleName())
.warmupIterations(20)
.measurementIterations(2000)
...
Check a collection size with JSTL
...urns the number of items in a collection, or the number of characters in a string.
Put this at the top of JSP page to allow the fn namespace:
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
Or if you're using JSPX or Facelets:
<... xmlns:fn="http://java.sun.com/jsp/...
Real differences between “java -server” and “java -client”?
... public LoopTest() {
super();
}
public static void main(String[] args) {
long start = System.currentTimeMillis();
spendTime();
long end = System.currentTimeMillis();
System.out.println("Time spent: "+ (end-start));
LoopTest loopTest = new L...
How to get the date from jQuery UI datepicker
...er").datepicker({
onSelect: function(dateText, inst) {
var dateAsString = dateText; //the first parameter of this function
var dateAsObject = $(this).datepicker( 'getDate' ); //the getDate method
}
});
The first parameter is in this case the selected Date as String. Use parseDat...
What is a “slug” in Django?
.... Slugs are commonly save with the respective content and it pass as a URL string.
Slug can create using SlugField
Ex:
class Article(models.Model):
title = models.CharField(max_length=100)
slug = models.SlugField(max_length=100)
If you want to use title as slug, django has a simple func...