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How can I determine the type of an HTML element in JavaScript?
...toLowerCase() means you also need to make sure nodeName exists (if it's at all possible elt is not, in fact, an element): if (elt.nodeName && elt.nodeName.toLowerCase() === 'div') { ... }
– Erik Koopmans
Nov 6 '17 at 7:10
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Crontab - Run in directory
...t I would like it to execute it from a particular directory so it can find all the files it needs, since the application has a bunch of relative paths.
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How to initialize log4j properly?
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Log4j by default looks for a file called log4j.properties or log4j.xml on the classpath.
You can control which file it uses to initialize itself by setting system properties as described here (Look for the "Default Initialization Procedure" section).
For ex...
Correct way to delete cookies server-side
...path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT
Note that you cannot force all browsers to delete a cookie. The client can configure the browser in such a way that the cookie persists, even if it's expired. Setting the value as described above would solve this problem.
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HttpSecurity, WebSecurity and AuthenticationManagerBuilder
...icationManagerBuilder) is used to establish an authentication mechanism by allowing AuthenticationProviders to be added easily: e.g. The following defines the in-memory authentication with the in-built 'user' and 'admin' logins.
public void configure(AuthenticationManagerBuilder auth) {
auth
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CSS :after not adding content to certain elements
...t;button>, <textarea>,
<input>, and <select> tags). All other elements types can be referred
to as non-replaced elements.
:before and :after only work with non-replaced elements.
From the spec:
Note. This specification does not fully define the interaction of
:befor...
What are the differences between Abstract Factory and Factory design patterns?
...le the desired object
instantiation.
The quote assumes that an object is calling its own factory method here. Therefore the only thing that could change the return value would be a subclass.
The abstract factory is an object that has multiple factory methods on it. Looking at the first half of your...
How to compile a 64-bit application using Visual C++ 2010 Express?
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Here are step by step instructions:
Download and install the Windows Software Development Kit version 7.1. Visual C++ 2010 Express does not include a 64 bit compiler, but the SDK does. A link to the SDK: http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx
Change your pr...
Why is (object)0 == (object)0 different from ((object)0).Equals((object)0)?
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The reason the calls behave different is they bind to very different methods.
The == case will bind to the static reference equality operator. There are 2 independent boxed int values created hence they are not the same reference.
In th...
mysql - how many columns is too many?
...eral rule, your table structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entity there's no reason to separate them into multiple tables.
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