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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
...that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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How to align content of a div to the bottom
...into issues with that. When I tried it I had problems with dropdown menus appearing below the content. It's just not pretty.
Honestly, for vertical centering issues and, well, any vertical alignment issues with the items aren't fixed height, it's easier just to use tables.
Example: Can you do th...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
...r, but have a look at http://www.phil.uu.nl/~xges/ssh/
If this particular app doesn't work, that's what you're looking for anyways - ssh agent. On unix-like boxes, you'd want to start your whole window manager through that, to get the global effect, but it might not be possible in osx.
Some more i...
How many socket connections can a web server handle?
...(ie. IIS, Node.js, Nginx... webserver [but not Apache] with async designed application software)
Good performance/dollar CPU / Ram. Today, arbitrarily, let's say i7 (4 core) with 8GB of RAM.
A good firewall/router to match.
No virtual limit/governor - ie. Linux somaxconn, IIS web.config...
No depend...
Correct approach to global logging in Golang
What's the pattern for application logging in Go? If I've got, say, 5 goroutines I need to log from, should I...
7 Answers...
SQL - The conversion of a varchar data type to a datetime data type resulted in an out-of-range valu
... had similar issue recently. Regional settings were properly setup both in app and database server. However, execution of SQL resulted in
"The conversion of a varchar data type to a datetime data type resulted in an out-of-range value".
The problem was the default language of the db user.
T...
How to Correctly handle Weak Self in Swift Blocks with Arguments
... manual on using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
Note: I used the term closure instead of block which is the newer Swift term:
Difference between block (Obj...
How do you tell Resharper that a method parameter is a string containing a CSS class?
...t answer the question, since it won't have all the CSS classes used by the app across all of its CSS files.
– Raif Atef
Jan 24 '16 at 21:22
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib
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To locate the ini file on your machine, open Terminal.app and run the following command:
php --ini
If you need a template for Lion, try this.
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How to serialize Joda DateTime with Jackson JSON processor?
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This has become very easy with Jackson 2.0 and the Joda module.
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new JodaModule());
Maven dependency:
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-joda<...