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Avoid synchronized(this) in Java?
...unts to is that this use of this is part of your class' exposed interface, and should be documented. Sometimes the ability of other code to use your lock is desired. This is true of things like Collections.synchronizedMap (see the javadoc).
All synchronized methods within the same class use the...
Method Overloading for null argument
... version of a method that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the O...
How do I create a URL shortener?
...a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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How to compare DateTime in C#?
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Microsoft has also implemented the operators '<' and '>'. So you use these to compare two dates.
if (date1 < DateTime.Now)
Console.WriteLine("Less than the current time!");
share
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Vim: What's the difference between let and set?
What's the difference between let and set in the vim editor?
5 Answers
5
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Best way to store a key=>value array in JavaScript?
What's the best way to store a key=>value array in javascript, and how can that be looped through?
7 Answers
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Razor comment syntax
... In visual studio, select some code/markup in your razor view and press Ctrl+K, Ctrl+C, and it'll comment the selection as described above.
– MrBoJangles
Feb 17 '11 at 18:12
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Check if my app has a new version on AppStore
...anually check if there are new updates for my app while the user is in it, and prompt him to download the new version. Can I do this by checking the version of my app in the app store - programatically?
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Creating Multifield Indexes in Mongoose / MongoDB
...xes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
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Select the values of one property on all objects of an array in PowerShell
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I think you might be able to use the ExpandProperty parameter of Select-Object.
For example, to get the list of the current directory and just have the Name property displayed, one would do the following:
ls | select -Property Name
This is still returning Direc...