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How to export table as CSV with headings on Postgresql?

... @arilwan psql -c "\COPY (SELECT * FROM mytable) TO STDOUT" > mytable.csv – Juha Palomäki Jun 6 '19 at 16:00 ...
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Converting Java objects to JSON with Jackson

...ode No serializer found for class com.liveprocessor.LPClient.LPTransaction and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS) ) – user5268786 Jan 10 '16 at 14:38 ...
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How do I get the Git commit count?

... git shortlog | grep -E '^[ ]+\w+' | wc -l if you want to get total number and git shortlog | grep -E '^[^ ]' if you want to get commits number for every contributor. – skalee May 24 '11 at 18:58 ...
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Select elements by attribute

... Do you mean can you select them? If so, then yes: $(":checkbox[myattr]") share | improve this answer | follow ...
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Selecting an element in iFrame jQuery

...rame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way: ...
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How to open a specific port such as 9090 in Google Compute Engine

...hoose "Firewalls rules" Choose "Create Firewall Rule" To apply the rule to select VM instances, select Targets > "Specified target tags", and enter into "Target tags" the name of the tag. This tag will be used to apply the new firewall rule onto whichever instance you'd like. Then, make sure the ...
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How do I kill all the processes in Mysql “show processlist”?

...peration saves time. Do it in MySql itself: Run these commands mysql> select concat('KILL ',id,';') from information_schema.processlist where user='root' and time > 200 into outfile '/tmp/a.txt'; mysql> source /tmp/a.txt; Reference ---------edit------------ if you do not want to sto...
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How to hide one item in an Android Spinner

...d spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one item in the spinner that doesn't generate a callback, n...
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How do I use prepared statements in SQlite in Android?

... @jasonhudgins Why not just replace your SELECT with an INSERT? I just came from this thread, where you've confused a beginner – keyser May 3 '14 at 15:29 ...
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How can I suppress column header output for a single SQL statement?

...in batch (using the mysql command-line binary). I want one of my several SELECT statements to not print the column headers, just the selected records. Is this possible? ...