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How to get the previous URL in JavaScript?
...tory allows navigation, but not access to URLs in the session for security and privacy reasons. If more detailed URL history was available, then every site you visit could see all the other sites you'd been to.
If you're dealing with state moving around your own site, then it's possibly less fragi...
How do I resolve the “java.net.BindException: Address already in use: JVM_Bind” error?
...
@novice_developer netstat is the command you are looking for, with -a and -p options, man netstat is your friend for all the rest :)
– sox with Monica
Jul 26 '17 at 20:38
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How to adjust an UIButton's imageSize?
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If I understand correctly what you're trying to do, you need to play with the buttons image edge inset. Something like:
myLikesButton.imageEdgeInsets = UIEdgeInsets(top, left, bottom, right)
...
What's an elegant way to conditionally add a class to an HTML element in a view?
...lly you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you can just test your variable:
<div class="<%= 'ok' if @success %>">
A second form using the ternary ?: operator is useful if you want to choose between two cl...
Is there a 'box-shadow-color' property?
...w.w3.org/TR/css3-background/#the-box-shadow
You can verify this in Chrome and Firefox by checking the list of computed styles. Other properties that have shorthand methods (like border-radius) have their variations defined in the spec.
As with most missing "long-hand" CSS properties, CSS variable...
How can I get a list of users from active directory?
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If you are new to Active Directory, I suggest you should understand how Active Directory stores data first.
Active Directory is actually a LDAP server. Objects stored in LDAP server are stored hierarchically. It's very similar to you store your files in your file system. That's why it...
How do you create different variable names while in a loop? [duplicate]
...a, but...
for x in range(0, 9):
globals()['string%s' % x] = 'Hello'
and then for example:
print(string3)
will give you:
Hello
However this is bad practice. You should use dictionaries or lists instead, as others propose. Unless, of course, you really wanted to know how to do it, but d...
Good NumericUpDown equivalent in WPF? [closed]
...another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel.
9 Answe...
Regex expressions in Java, \\s vs. \\s+
...or many whitespaces. They're the so-called regular expression quantifiers, and they perform matches like this (taken from the documentation):
Greedy quantifiers
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X{n} X, exactly n times
X{n,} X, at least n times
X{n,m}...
Logging errors in ASP.NET MVC
...lication by plugging in Elmah.
You add the Elmah assembly to your project and then configure your web.config. It will then log exceptions created at controller or page level. It can be configured to log to various different places (like SQL Server, Email etc). It also provides a web frontend, so th...