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mysqldump data only
... you are using --databases ... option
--compact: if you want to get rid of extra comments
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Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
...g space :   or  
narrow no-break space :   (no character reference available)
en space :   or  
em space :   or  
3-per-em space :   or  
4-per-em space :   or  
6-per-em space :   ...
Setting log level of message at runtime in slf4j
...mentation.
*/
public static void log(Logger logger, Level level, String txt) {
if (logger != null && level != null) {
switch (level) {
case TRACE:
logger.trace(txt);
break;
case DEBUG:
logge...
How to best display in Terminal a MySQL SELECT returning too many fields?
...above comment, when you type SELECT * FROM sometable\G you are sending the string to the mysql command line client, not Windows, which is why the G is case sensitive
– Hurricane Hamilton
Mar 24 '14 at 15:31
...
Rails where condition using NOT NIL
...S NOT NULL
Note that this syntax reports a deprecation (it talks about a string SQL snippet, but I guess the hash condition is changed to string in the parser?), so be sure to add the references to the end:
Foo.includes(:bar).where.not(bars: {id: nil}).references(:bar)
DEPRECATION WARNING: I...
DISABLE the Horizontal Scroll [closed]
... }
}
);
it Might return something like this:
<div class="div-with-extra-width">...</div>
then you just remove the extra width from the div or set it's max-width:100%
Hope this helps!
It fixed the problem for me :]
...
Postgresql aggregate array
...
What I understand you can do something like this:
SELECT p.p_name,
STRING_AGG(Grade.Mark, ',' ORDER BY Grade.Mark) As marks
FROM Student
LEFT JOIN Grade ON Grade.Student_id = Student.Id
GROUP BY Student.Name;
EDIT
I am not sure. But maybe something like this then:
SELECT p.p_name,
...
Save Screen (program) output to a file
...cess:
logfile test.log
logfile flush 1
log on
logtstamp after 1
logtstamp string "[ %t: %Y-%m-%d %c:%s ]\012"
logtstamp on
If you want to do it "on the fly", you can change logfile automatically.
\012 means "new line", as using \n will print it on the log file: source.
Start your command with the...
How do I correctly clone a JavaScript object?
...*/
setTimeout(function(){
var d2 = clone(d1);
alert("d1 = " + d1.toString() + "\nd2 = " + d2.toString());
}, 5000);
The date string for d1 will be 5 seconds behind that of d2. A way to make one Date the same as another is by calling the setTime method, but that is specific to the Date clas...
What does the brk() system call do?
...;assert.h>
#include <unistd.h>
int main(void) {
void *b;
char *p, *end;
b = sbrk(0);
p = (char *)b;
end = p + 0x1000000;
brk(end);
while (p < end) {
*(p++) = 1;
}
brk(b);
return 0;
}
Tested on Ubuntu 18.04.
Virtual address space visual...