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Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
Will ConfigurationManager.AppSettings["blah"] throw an exception if "blah" doesn't exist in the web/app.config?
6 Answers
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Javascript Equivalent to PHP Explode()
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NOTE: split(delimiter,limit)'s limit parameter does NOT work the same as explode($delimiter,$string,$limit)'s limit parameter. Example: explode('.','1.2.3.4',3) === array('1','2','3.4') - while in Javascript, you'll get: '1.2.3.4'.split('.',3) === ['1', '2', '3']. Anyone...
Can grep show only words that match search pattern?
...he name of the matched file or not. I'm not sure under what conditions it does and doesn't display, but I do know that when I used grep across a number of directories it did display the full file path for all matched files, whereas with -h it just displayed the matched words without any specificati...
Is nested function a good approach when required by only one function? [closed]
... is just a toy example to convey the concept -- in actual use what do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement.
– martineau
Sep 2 '14 at 13:07
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Javascript what is property in hasOwnProperty?
...ty("y")); //true
console.log(x.hasOwnProperty("z")); //false
However, it does not look at the prototype chain of the object.
It's useful to use it when you enumerate the properties of an object with the for...in construct.
If you want to see the full details, the ES5 specification is, as always,...
Java EE web development, where do I start and what skills do I need? [closed]
...t necessary or convenient to use Spring or EJB3 or all of them together?
Does Java have MVC? What about JSP? Can MVC and JSP be together? JavaBeans?
You can, but that's a lot of reinvention of the wheel when it comes to tying the model with the view (conversion, validation, change listeners, etc)...
onclick() and onblur() ordering issue
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Worth noting this does change the behaviour a bit naturally - the click interaction is then handled on mouse down rather than mouse up. For most people that may be fine (self included in this case) but there are a few a drawbacks. Most notab...
Include an SVG (hosted on GitHub) in MarkDown
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Wait, does that happen? Didn't know.
– Camilo Martin
Aug 9 '14 at 15:44
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.NET HashTable Vs Dictionary - Can the Dictionary be as fast?
..., then how do you ensure you're getting the right value on lookups, ie how does the function know which element to return? In msdn.microsoft.com/en-us/library/ms379571%28VS.80%29.aspx it says,"Rather than reprobing in the event of a collision, as is done with the Hashtable class, the Dictionary sim...
Java : How to determine the correct charset encoding of a stream
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This juniversalchardet does not work. It delivers UTF-8 most of time, even if the file is 100% windows-1212 encoded.
– Brain
Sep 11 '16 at 18:28
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