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Polymorphism with gson
...mmands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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Best TCP port number range for internal applications [closed]
... and do it properly:
telnet big_honking_mainframe_box.com 1023
If you really can't make the client side configurable, pick one in the second range, like 48042, and just use it, declaring that any other software on those boxes (including any added in the future) has to keep out of your way.
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a file exists....
Android DialogFragment vs Dialog
...simple AlertDialog with Yes/No confirmation buttons. Not very much code at all.
With regards handling events in your fragment there would be various ways of doing it but I simply define a message Handler in my Fragment, pass it into the DialogFragment via its constructor and then pass messages back...
Why doesn't Java Map extend Collection?
...end
Map, but this raises the question:
what are the keys? There's no really
satisfactory answer, and forcing one
leads to an unnatural interface.
Maps can be viewed as Collections (of
keys, values, or pairs), and this fact
is reflected in the three "Collection
view operations" on ...
“Use of undeclared type” in Swift, even though type is internal, and exists in same module
...der classes to the test target. But autocompletion lulled me into thinking all was fine...until I tried to build and run. What the...! Thank you so very much.
– Jim Hillhouse
Sep 30 '15 at 8:07
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Pass a JavaScript function as parameter
... executing it first.
Here is an example:
function addContact(id, refreshCallback) {
refreshCallback();
// You can also pass arguments if you need to
// refreshCallback(id);
}
function refreshContactList() {
alert('Hello World');
}
addContact(1, refreshContactList);
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How to send a stacktrace to log4j?
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I never know what to stuff into the first String, usually I just end up doing log.error(e.getLocalizedMessage(), e) which is totally redundant. Does it handle a null for the first argument?
– Mark Peters
Dec 3 '10 at 16:52
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How to avoid “RuntimeError: dictionary changed size during iteration” error?
I have checked all of the other questions with the same error yet found no helpful solution =/
11 Answers
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SQL Server Restore Error - Access is Denied
I created a database on my local machine and then did a backup called tables.bak of table DataLabTables .
19 Answers
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