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What is the difference between user variables and system variables?
...ables. The elements are combined when creating the environment for an application. System variables are shared for all users, but user variables are only for your account/profile.
If you deleted the system ones by accident, bring up the Registry Editor, then go to HKLM\ControlSet002\Control\Session...
Why isn't textarea an input[type=“textarea”]?
...s direct an answer as it gets. The reason there is a textarea element is because Marc Andreessen proposed it back in October 1993 for the reasons as quoted above.
– Marcel
Sep 9 '14 at 8:26
...
How to add global ASP.Net Web Api Filters?
...ion filters)
{
filters.Add(new MyWebApiFilter());
}
protected void Application_Start()
{
RegisterWebApiFilters(GlobalConfiguration.Configuration.Filters);
}
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...
Maximum concurrent Socket.IO connections
... see when the connections started to fail (or fall behind). I found (in my case) that the sockets started acting up at around 1400-1800 concurrent connections.
This is a short gist I made, similar to the test I used: https://gist.github.com/jmyrland/5535279
...
How can I open Windows Explorer to a certain directory from within a WPF app?
In a WPF application, when a user clicks on a button I want to open the Windows explorer to a certain directory, how do I do that?
...
How do I interpret precision and scale of a number in a database?
... are present in the number.
ie 1234567.89 has a precision of 9
Numeric scale refers to the maximum number of decimal places
ie 123456.789 has a scale of 3
Thus the maximum allowed value for decimal(5,2) is 999.99
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How to check if a value exists in a dictionary (python)
...32004380226135254, 0.31716084480285645, 0.3171098232269287]
EDIT: And in case you wonder why... the reason is that each of the above returns a different type of object, which may or may not be well suited for lookup operations:
>>> type(d.viewvalues())
<type 'dict_values'>
>>...
Cannot serve WCF services in IIS on Windows 8
...cribed in this blog post on mdsn.
From the command prompt (as admin), you can run:
C:\> DISM /Online /Enable-Feature /FeatureName:WCF-HTTP-Activation
C:\> DISM /Online /Enable-Feature /FeatureName:WCF-HTTP-Activation45
If you get an error then use the below
C:\> DISM /Online /Enable-Fe...
Proper usage of Optional.ifPresent()
...er> user = ...
user.ifPresent(this::doSomethingWithUser);
This is basically the same thing as
Optional<User> user = ...
user.ifPresent(new Consumer<User>() {
@Override
public void accept(User theUser) {
doSomethingWithUser(theUser);
}
});
The idea is that the ...
CSS Selector for
...ompatibility on quirksmode.com
I'm surprised that everyone else thinks it can't be done. CSS attribute selectors have been here for some time already. I guess it's time we clean up our .css files.
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