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How to import CSV file data into a PostgreSQL table?
...csv/ZIP_CODES.txt' DELIMITER ',' CSV
You can also specify the columns to read:
\copy zip_codes(ZIP,CITY,STATE) FROM '/path/to/csv/ZIP_CODES.txt' DELIMITER ',' CSV
See the documentation for COPY:
Do not confuse COPY with the psql instruction \copy. \copy invokes COPY FROM STDIN or COPY TO ST...
Listing and deleting Git commits that are under no branch (dangling?)
...c --prune=now
But be certain that this is what you want. I recommend you read the man pages but here is the gist:
git gcremoves unreachable objects (commits, trees, blobs (files)). An object is unreachable if it isn't part of the history of some branch. Actually it is a bit more complicated:
git...
What is the difference between Hibernate and Spring Data JPA
...:
JPA : Java persistence api which provide specification for persisting, reading, managing data from your java object to relations in database.
Hibernate: There are various provider which implement jpa. Hibernate is one of them. So we have other provider as well. But if using jpa with spring it al...
Spring - @Transactional - What happens in background?
...pic. The Spring reference doc devotes multiple chapters to it. I recommend reading the ones on Aspect-Oriented Programming and Transactions, as Spring's declarative transaction support uses AOP at its foundation.
But at a very high level, Spring creates proxies for classes that declare @Transaction...
What is a “batch”, and why is GO used?
I have read and read over MSDN, etc. Ok, so it signals the end of a batch.
6 Answers
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...edium screens (some desktops)
lg = large screens (remaining desktops)
Read the "Grid
Options"
chapter from the official Bootstrap documentation for more details.
You should usually classify a div using multiple column classes so it behaves differently depending on the screen size (this is...
How to maintain a Unique List in Java?
...dvantages and disadvantages to each collection. Some fast inserts but slow reads, some have fast reads but slow inserts, etc. It makes sense to spend a fair amount of time with the collections documentation to fully learn about the finer details of each class and interface.
...
What is the best practice for dealing with passwords in git repositories?
...
The typical way to do this is to read the password info from a configuration file. If your configuration file is called foobar.config, then you would commit a file called foobar.config.example to the repository, containing sample data. To run your program, y...
Linking static libraries to other static libraries
...u will need to include header files too. But it's off topic here as this thread talks about linking and your problem is at the compilation stage.
– evpo
Feb 27 '15 at 5:22
...
Download a file with Android, and showing the progress in a ProgressDialog
...red inside the activity class.
// that way, you can easily modify the UI thread from here
private class DownloadTask extends AsyncTask<String, Integer, String> {
private Context context;
private PowerManager.WakeLock mWakeLock;
public DownloadTask(Context context) {
this....