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What is the difference between “px”, “dip”, “dp” and “sp”?
...eveloping an Android app for more than one type of device, you should have read the screens support development document at least once. In addition to that, it is always a good thing to know the actual number of active devices that have a particular screen configuration.
Screen Sizes and Densities...
Best practice: AsyncTask during orientation change
AsyncTask is a great thing to run complex tasks in another thread.
9 Answers
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How to get a list of installed Jenkins plugins with name and version pair
...nkins_server] groovy = < pluginEnumerator.groovy
= in the call means 'read from standard input'. pluginEnumerator.groovy contains the following Groovy code:
println "Running plugin enumerator"
println ""
def plugins = jenkins.model.Jenkins.instance.getPluginManager().getPlugins()
plugins.each ...
Convert XML to JSON (and back) using Javascript
...I think this is the best one: Converting between XML and JSON
Be sure to read the accompanying article on the xml.com O'Reilly site, which goes into details of the problems with these conversions, which I think you will find enlightening. The fact that O'Reilly is hosting the article should indic...
CSS selector for first element with class
... According to caniuse the :nth-child(1 of .foo) extension has already been implemented on Safari 9.1+ . (I haven't checked though)
– Danield
Sep 14 '16 at 6:25
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...ansaction.Current.TransactionInformation.DistributedIdentifier.
*Update: I read somewhere that this is fixed in SQL Server 2008, so that MSDTC is not used when the same connection string is used for both connections (as long as both connections are not open at the same time). That allows you to ope...
Difference between VARCHAR and TEXT in MySQL [duplicate]
...better performance, you have to use a fixed length type like CHAR. You can read more about this here.
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Disable Required validation attribute under certain circumstances
...orms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when they enter a value it uses some special logic to update the model, such as hashing a value etc.
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Is using Random and OrderBy a good shuffle algorithm?
I have read an article about various shuffle algorithms over at Coding Horror . I have seen that somewhere people have done this to shuffle a list:
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Multiple inheritance/prototypes in JavaScript
...s, which would replace the prototypes. This is left as an exercice for the reader. Here I just let it modify the prototype of the target, which is not much useful because no trap uses the target.
The deleteProperty trap is a trap for deleting own properties. The proxy represents the inheritance, so ...