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How to convert SQL Query result to PANDAS Data Structure?
...ally, since my last response, I've used pyodbc and pandas together quite a bit. Adding new answer with example, FYI.
– openwonk
Aug 16 '17 at 15:50
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Rotating a two-dimensional array in Python
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That's a clever bit.
First, as noted in a comment, in Python 3 zip() returns an iterator, so you need to enclose the whole thing in list() to get an actual list back out, so as of 2020 it's actually:
list(zip(*original[::-1]))
Here's the br...
Set the maximum character length of a UITextField
...e is too long (more than 25 characters in this example), return NO to prohibit the change.
When typing in a single character at the end of a text field, the range.location will be the current field's length, and range.length will be 0 because we're not replacing/deleting anything. Inserting into the...
What should I set JAVA_HOME environment variable on macOS X 10.6?
...lier version of Java. For example, one program I'm maintaining requires 32-bit Java 5 on OS X, so when using that program, I set JAVA_HOME by running:
export JAVA_HOME=$(/usr/libexec/java_home -v 1.5)
For those of you who don't have java_home in your path add it like this.
sudo ln -s /System/Li...
Define make variable at rule execution time
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Seems to do the trick (though a bit opaque to the average non-Make guru :-) Thanks!
– Emil Sit
Dec 16 '09 at 14:25
29
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best way to preserve numpy arrays on disk
...example, I've two 2-D arrays with shape (2500,000 * 2000) with chunk size (10,000 * 2000). A single write operation of a array with shape (2000 * 2000) will take about 1 ~ 2s to complete. Do you have any suggestion on improving the performance? thx.
– Simon. Li
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How to create a WPF Window without a border that can be resized via a grip only?
If you set ResizeMode="CanResizeWithGrip" on a WPF Window then a resize grip is shown in the lower right corner, as below:
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node.js fs.readdir recursive directory search
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This is simple. But also a bit naive. Might cause a stackoverflow if a directory contains a link to a parent directory. Maybe use lstat instead? Or else add a recursiveness check to limit the recursivity level.
– conradkleinespel
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How to reload apache configuration for a site without restarting apache
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apache 2.4.39 (win) does not support httpd -k graceful only httpd -k restart: httpd /? => -k restart : tell running Apache to do a graceful restart
– Andreas Dietrich
Apr 4 '19 at 9:36
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AngularJS: How can I pass variables between controllers?
...ou are right, however the Angular guys from my perspective, just changed a bit the concept I had between services (facades) and factories.... oh well....
– Juan Zamora
Sep 9 '14 at 20:46
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