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Why are Subjects not recommended in .NET Reactive Extensions?
...either have 1 of 2 styles of system you need to ingrate to.
The system raises an event or a call back when a message arrives
You need to poll the system to see if there are any message to process
For option 1, easy, we just wrap it with the appropriate FromEvent method and we are done. To the Pu...
Check if event is triggered by a human
...e a handler attached to an event and I would like it to execute only if it is triggered by a human, and not by a trigger() method. How do I tell the difference?
...
Delete directory with files in it?
...ays.
Before deleting the folder, delete all its files and folders (and this means recursion!). Here is an example:
public static function deleteDir($dirPath) {
if (! is_dir($dirPath)) {
throw new InvalidArgumentException("$dirPath must be a directory");
}
if (substr($dirPath, ...
Make a div fill the height of the remaining screen space
...tely settled now.
Note: Though CSS Flexible Boxes Layout specification is at the Candidate Recommendation stage, not all browsers have implemented it. WebKit implementation must be prefixed with -webkit-; Internet Explorer implements an old version of the spec, prefixed with -ms-; Opera 12.10 im...
How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
12 Answers
12
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Can I use non existing CSS classes?
...e where I show/hide a full column by jQuery via a CSS class that doesn't exist:
13 Answers
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Data Modeling with Kafka? Topics and Partitions
...en using a new service (such as a non-RDBMS data store or a message queue) is: "How should I structure my data?".
4 Answers...
Choosing the default value of an Enum type without having to change values
In C#, is it possible to decorate an Enum type with an attribute or do something else to specify what the default value should be, without having the change the values? The numbers required might be set in stone for whatever reason, and it'd be handy to still have control over the default.
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Append values to query string
I have set of URL's similar to the ones below in a list
8 Answers
8
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Shell equality operators (=, ==, -eq)
...
It's the other way around: = and == are for string comparisons, -eq is for numeric ones. -eq is in the same family as -lt, -le, -gt, -ge, and -ne, if that helps you remember which is which.
== is a bash-ism, by the way. It's better to use the POSIX =. In bash the two are equivalen...