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SQL Query to concatenate column values from multiple rows in Oracle
...ted string exceeds 4000 characters( limit for VARCHAR2 in SQL ), the below error is thrown, which is difficult to manage in Oracle versions upto 12.1
ORA-01489: result of string concatenation is too long
A new feature added in 12cR2 is the ON OVERFLOW clause of LISTAGG.
The query including t...
How do I list one filename per output line in Linux?
... -1 ftw.
– crantok
May 21 '13 at 21:05
4
ls defaults to -1 behavior when the output isn't connect...
Removing duplicates in lists
...hable. This means, that this does not work for a list of dictionaries. TypeError: unhashable type: 'dictlist'
– CraZ
May 16 '18 at 17:27
...
How do you effectively model inheritance in a database?
... to confusion. "TPT" is supertype-subtype. "TPH" is Unnormalised, a gross error. "TPH" is even less Normalised, another gross error.
– PerformanceDBA
Nov 10 '10 at 21:33
45
...
How to get Locale from its String representation in Java?
..., String country)
Here is a sample code :)
// May contain simple syntax error, I don't have java right now to test..
// but this is a bigger picture for your algo...
public String localeToString(Locale l) {
return l.getLanguage() + "," + l.getCountry();
}
public Locale stringToLocale(String ...
Are HLists nothing more than a convoluted way of writing tuples?
...
answered Aug 6 '12 at 10:05
Miles SabinMiles Sabin
22.6k66 gold badges5858 silver badges9595 bronze badges
...
How to convert a string to lower case in Bash?
...sn't work for me (GNU bash version 4.2.46 and 4.0.33 (and same behaviour 2.05b.0 but nocasematch is not implemented)) even with using shopt -u nocasematch;. Unsetting that nocasematch causes [[ "fooBaR" == "FOObar" ]] to match OK BUT inside case weirdly [b-z] are incorrectly matched by [A-Z]. Bash i...
Reconnection of Client when server reboots in WebSocket
...lt:
break;
}
};
websocket.onerror = function(ev){};
websocket.onclose = function(ev) { init(); };
}
share
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improve this answer
...
Parsing command-line arguments in C?
..._MODE, WORD_MODE, LINE_MODE } mode;
bool isCaseInsensitive;
};
static error_t parse_opt(int key, char *arg, struct argp_state *state) {
struct arguments *arguments = state->input;
switch (key) {
case 'l': arguments->mode = LINE_MODE; break;
case 'w': arguments->mode = W...
How to count number of files in each directory?
... they don't contain newlines (and quietly persuade the guilty party of the error of their ways).
If you're interested in the count of the files in each sub-directory of the current directory, counting any files in any sub-directories along with the files in the immediate sub-directory, then I'd a...