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The difference between Classes, Objects, and Instances
... I really appreciate your answer sir, and I almost got it, just one more question. We say-"Whenever the compiler hits the 0 argument constructor it creates a instance of a class.". In this context what is really created an instance or an object? An object I guess and we use the word "insta...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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How to use subprocess popen Python
...upplied data. But I am prepared to call a truce on that item. My point was more that there is no reason not to use shell=True except when using untrusted input. Simply stating that shell=True is not recommended is misleading.
– Hans Then
Sep 26 '12 at 16:52
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Regular expression to return text between parenthesis
... What if you'll have "(some text (some text in inner parenthesis) some more text)"?
– Igor Pomaranskiy
Jul 13 '16 at 12:17
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Pythonic way to check if a list is sorted or not
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Looks like Python 3.x does not have xrange anymore, just use range. I get NameError: name 'xrange' is not defined when I run that code. I switched it to just use range instead of xrange and that works fine. See: stackoverflow.com/questions/15014310/…
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How can I determine if a String is non-null and not only whitespace in Groovy?
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Mercurial .hgignore for Visual Studio 2010 projects
... @David: That's for Windows thumbnail cache files "thumbs.db" read more about it here: en.wikipedia.org/wiki/Windows_thumbnail_cache
– Shady M. Najib
Apr 13 '11 at 19:34
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What should I use Android AccountManager for?
... a Service / Alarm
only available from API >= 7 (this doesn't matter anymore)
Finally, if you use a SyncAdapter, seriously consider Firebase Cloud Messaging (previously Google Cloud Messaging) aka "push notifications" to have fresher updates and optimized battery usage.
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Difference between 2 dates in SQLite
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This answer is far more feature filled than the accepted answer, IMHO.
– Marcus Parsons
Oct 18 '18 at 14:37
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add column to mysql table if it does not exist
...atabase_1_0_to_2_0() $$
DELIMITER ;
On a first glance it probably looks more complicated than it should, but we have to deal with following problems here:
IF statements only work in stored procedures, not when run directly,
e.g. in mysql client
more elegant and concise SHOW COLUMNS does not wor...