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difference between socket programming and Http programming

... HTTP is an application protocol. It basically means that HTTP itself can't be used to transport information to/from a remote end point. Instead it relies on an underlying protocol which in HTTP's case is TCP. You can read more about OSI layers if you are interest...
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'Must Override a Superclass Method' Errors after importing a project into Eclipse

Anytime I have to re-import my projects into Eclipse (if I reinstalled Eclipse, or changed the location of the projects), almost all of my overridden methods are not formatted correctly, causing the error: ...
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Why do we need to install gulp globally and locally?

2 manuals about gulp say that I need to install gulp first globally (with -g flag) and then one more time locally. Why do I need this? ...
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Is the order of elements in a JSON list preserved?

... Practically speaking, if the keys were of type NaN, the browser will not change the order. The following script will output "One", "Two", "Three": var foo={"3":"Three", "1":"One", "2":"Two"}; for(bar in foo) { alert(foo[bar]);...
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Batch file to copy files from one folder to another folder

I have a storage folder on a network in which all users will store their active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex: ...
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Programmatically select text in a contenteditable HTML element?

In JavaScript, it's possible to programmatically select text in an input or textarea element. You can focus an input with ipt.focus() , and then select its contents with ipt.select() . You can even select a specific range with ipt.setSelectionRange(from,to) . ...
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ContextLoaderListener or not?

... the servlet's context, that stick with that, it's simpler. Yes, the generally-encouraged pattern is to keep non-web stuff in the webapp-level context, but it's nothing more than a weak convention. The only compelling reasons to use the webapp-level context are: If you have multiple DispatcherSe...
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How do I generate random numbers in Dart?

...0.9 ... the result would be for example -0.32 – just_a_dude Nov 7 '13 at 13:59 2 ...
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How to create a DialogFragment without title?

... Dialog fragment has setStyle method, which should be called before view creation Java Doc. Also style of the dialog can be set with the same method public static MyDialogFragment newInstance() { MyDialogFragment mDialogFragment = new MyDialogFragment(); //Set Ar...
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Are SVG parameters such as 'xmlns' and 'version' needed?

... All user agents (browsers) ignore the version attribute, so you can always drop that. If you embed your SVG inline in a HTML page and serve that page as text/html then xmlns attributes are not required. Embedding SVG inline ...