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What is the difference between Views and Materialized Views in Oracle?
What is the difference between Views and Materialized Views in Oracle?
8 Answers
8
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How to Replace dot (.) in a string in Java
...answered Sep 11 '11 at 19:20
FemiFemi
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Compress files while reading data from STDIN
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Yes, gzip will let you do this. If you simply run gzip > foo.gz, it will compress STDIN to the file foo.gz. You can also pipe data into it, like some_command | gzip > foo.gz.
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Can we convert a byte array into an InputStream in Java?
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If you use Robert Harder's Base64 utility, then you can do:
InputStream is = new Base64.InputStream(cph);
Or with sun's JRE, you can do:
InputStream is = new
com.sun.xml.internal.messaging.saaj.packaging.mime.util.BASE64D...
Redo merge of just a single file
...e way, manual merging with vi is always a pleasure and fully satisfying. shifting to left or shifting to right never gave me the confidence that the merge is going as expected
– asgs
Oct 29 '18 at 19:36
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Android hide listview scrollbar?
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If you want to disable \ enable scrollbars programmatically you need use
View.setVericalScrollbarEnabled(boolean) - disable \ enable vertical scrollbars.
View.setHorizontalScrollBarEnabled(boolean) - disable \ enable horiz...
Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
...t(int num)
{
std::stringstream ss; // <-- also note namespace qualification
ss << num;
return ss.str();
}
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How do I get the backtrace for all the threads in GDB?
...nerally, the backtrace is used to get the stack of the current thread, but if there is a necessity to get the stack trace of all the threads, use the following command.
thread apply all bt
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What is IP address '::1'?
...0:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001.
Again we can see that we have runs of zeroes, they can be eliminated and we get
-> ::0001 -> ::1 .
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Case Insensitive Flask-SQLAlchemy Query
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Improving on @plaes's answer, this one will make the query shorter if you specify just the column(s) you need:
user = models.User.query.with_entities(models.User.username).\
filter(models.User.username.ilike("%ganye%")).all()
The above example is very useful in case one needs to use Flask...