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PostgreSQL: How to pass parameters from command line?
...and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...swered Jun 17 '16 at 15:20
James_picJames_pic
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Why is Go so slow (compared to Java)?
... as new libraries, frameworks and tools pop up.
– if __name__ is None
May 30 '13 at 23:37
1
@user...
Requirejs why and when to use shim config
...e the normal, what's shim do in this case? Can I use require( function() { _.extend({}); })? Does it understand _?
– Stiger
Aug 14 '14 at 4:48
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IOException: read failed, socket might closed - Bluetooth on Android 4.3
... hood of the BluetoothDevice class (see https://github.com/android/platform_frameworks_base/blob/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037).
Now, when I receive that exception, I instantiate a fallback BluetoothSocket, similar to the source code below. As you can see, in...
Callback functions in Java
... answered Nov 6 '14 at 10:02
Juh_Juh_
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Permanently add a directory to PYTHONPATH?
...ers/joey/repos but it did not work because my repos directory did not have _init_.py. Going down one directory further: /Users/joey/repos/specificRepo did the trick. Now python can traverse any downward directory connected to the specificRepo directory that contains a init.py !
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How do I create a file and write to it in Java?
...ths.get("the-file-name.txt");
Files.write(file, lines, StandardCharsets.UTF_8);
//Files.write(file, lines, StandardCharsets.UTF_8, StandardOpenOption.APPEND);
Creating a binary file:
byte data[] = ...
Path file = Paths.get("the-file-name");
Files.write(file, data);
//Files.write(file, data, Stand...
What does 'require: false' in Gemfile mean?
...just set :require => false and then in your code have a require 'library_name_here'
– Rob Di Marco
Jan 5 '14 at 13:38
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How to increment a datetime by one day?
...vedelta
print 'Today: ',datetime.now().strftime('%d/%m/%Y %H:%M:%S')
date_after_month = datetime.now()+ relativedelta(day=1)
print 'After a Days:', date_after_month.strftime('%d/%m/%Y %H:%M:%S')
Output:
Today: 25/06/2015 20:41:44
After a Days: 01/06/2015 20:41:44
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