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“use database_name” command in PostgreSQL
...you must get a new connection.
Using \c in psql closes the old connection and acquires a new one, using the specified database and/or credentials. You get a whole new back-end process and everything.
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Remove the last character from a string [duplicate]
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First, I try without a space, rtrim($arraynama, ","); and get an error result.
Then I add a space and get a good result:
$newarraynama = rtrim($arraynama, ", ");
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Scroll back to the top of scrollable div
... edited Jan 6 '15 at 4:31
andrewb
4,80266 gold badges3030 silver badges5151 bronze badges
answered May 24 '12 at 19:50
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How do I turn off the unlimited whitespace in IntelliJ editor?
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File menu -> Settings -> Editor -> General -> Virtual Space and uncheck 'Allow placement of caret after end of line' . You may also uncheck the other options in the Virtual Space panel.
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How to normalize an array in NumPy?
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import numpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
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How to vertically center content with variable height within a div?
...ll. Also, I would love a solution with no, or very little use of CSS hacks and/or non-semantic markup.
9 Answers
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Attach a file from MemoryStream to a MailMessage in C#
... a file to email. Currently I am saving file using FileStream into disk, and then I use
8 Answers
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Problems with pip install numpy - RuntimeError: Broken toolchain: cannot link a simple C program
I'm trying to install numpy (and scipy and matplotlib) into a virturalenv.
11 Answers
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?
...ng a service run in the background, make sure to look at startForeground() and make sure to have an ongoing notification or else Android will kill your service if it needs to free memory.
@Override
public void onBackPressed() {
Log.d("CDA", "onBackPressed Called");
Intent setIntent = new Inte...
Django Model - Case-insensitive Query / Filtering
How can I query/filter in Django and ignore the cases of my query-string?
1 Answer
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