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Service vs IntentService in the Android platform
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Tejas Lagvankar wrote a nice post about this subject.
Below are some key differences between Service and IntentService.
When to use?
The Service can be used in tasks with no UI, but shouldn't be too long. If you need to perform long tasks, you must use threads within Service.
The IntentService ...
Unable to begin a distributed transaction
...ot be able to communicate
with each other. This problem typically occurs if one of the systems
were cloned using unsupported cloning tools. MS DTC requires that the
systems be cloned using supported cloning tools such as SYSPREP.
Running 'msdtc -uninstall' and then 'msdtc -install' from the ...
Conveniently map between enum and int / String
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Really and truly read the question. If you're dealing with a legacy database or external system that has defined integers that you don't want to propagate through your own code, then this is exactly one of those cases. The ordinal is an extremely fragile way t...
@Nullable annotation usage
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It makes it clear that the method accepts null values, and that if you override the method, you should also accept null values.
It also serves as a hint for code analyzers like FindBugs. For example, if such a method dereferences its argument without checking for null first, FindBugs wil...
What is the difference between char s[] and char *s?
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The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = ...
nginx error connect to php5-fpm.sock failed (13: Permission denied)
...- sudo service php5-fpm restart or sudo service php7.0-fpm restart
Note: if your webserver runs as user other than www-data, you will need to update the www.conf file accordingly
share
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improve t...
Is there a way to list open transactions on SQL Server 2000 database?
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Very useful, thank you! If it answered the OP's question (SQL 2000), it should have been the accepted answer. Have an upvote...
– Reversed Engineer
Sep 13 '18 at 9:06
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Preserve line endings
... the problem with cygwin's sed on Windows.
Example: sed -b 's/foo/bar/'
If you wish to match the end of the line, remember to match, capture and copy the optional carriage return.
Example: sed -b 's/foo\(\r\?\)$/bar\1/'
From the sed man page:
-b --binary
This option is avail...
Why Would I Ever Need to Use C# Nested Classes [duplicate]
... constructor of base class be called in this case since it is private? And if the base class constructor cannot be called how can a derived class instance be created? Sorry if this is not related to the post but I am just trying to understand the code and its use
– Mohit Shah
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Where does forever store console.log output?
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what is the default path if I don't specify any parameters but just use like forever myapp? thanks!
– AGamePlayer
Jan 9 '14 at 15:07
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