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Open firewall port on CentOS 7
...to figure out which one you think you should use. EL7 uses public by default so that is what my examples below use.
You can check which zone you are using with firewall-cmd --list-all and change it with firewall-cmd --set-default-zone=<zone>.
You will then know what zone to allow a service ...
Passing just a type as a parameter in C#
...ypeof(int));
The other option would be to use generics:
T GetColumnValue<T>(string columnName)
{
// If you need the type, you can use typeof(T)...
This has the advantage of avoiding the boxing and providing some type safety, and would be called like: int val = GetColumnValue<int>...
Classpath including JAR within a JAR
...ions (e.g. Java's activation.jar).
– Christopher Schultz
Jun 28 '16 at 15:35
add a comment
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How to disable a link using only CSS?
...solution here:
.not-active {
pointer-events: none;
cursor: default;
text-decoration: none;
color: black;
}
<a href="link.html" class="not-active">Link</a>
For browser support, please see https://caniuse.com/#feat=pointer-events. If you need to support IE there i...
How to read attribute value from XmlNode in C#?
... @Omidoo That approach has the same issue, for example with <a x="1" />, which passes the test. Perhaps something like var attr = node.Attributes["Name"]; if(attr != null) {...} might work.
– Joel Peltonen
Nov 13 '12 at 12:00
...
Sort points in clockwise order?
...r.x) * (b.y - center.y) - (b.x - center.x) * (a.y - center.y)
if the result is zero, then they are on the same line from the center, if it's positive or negative, then it is on one side or the other, so one point will precede the other.
Using it you can construct a less-than relation to compare po...
What is an AngularJS directive?
...nction(s) can do almost anything, which is why I think it is rather difficult to define what a directive is. Each directive has a name (like ng-repeat, tabs, make-up-your-own) and each directive determines where it can be used: element, attribute, class, in a comment.
† A directive normally only...
Disposing WPF User Controls
... get closed? Or your control is hosted in page which get loaded/unloaded multiple times ? see: stackoverflow.com/a/14074116/1345207
– L.Trabacchin
Feb 1 '17 at 17:57
1
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How to Display blob (.pdf) in an AngularJS app
... a $http.post response. The pdf must be displayed within the app using <embed src> for example.
8 Answers
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What Automatic Resource Management alternatives exist for Scala?
...ou write this for Scala 2.12? Here is a similar using method: def using[A <: AutoCloseable, B](resource: A) (block: A => B): B = try block(resource) finally resource.close()
– Mike Slinn
Jul 9 '19 at 0:51
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