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Convert pandas dataframe to NumPy array
...[('index', '|O8'), ('A', '<f8'), ('B', '<f8'), ('C', '<f8')])
In [106]: df.to_records().dtype
Out[106]: dtype([('index', '|O8'), ('A', '<f8'), ('B', '<f8'), ('C', '<f8')])
Converting the recarray dtype does not work for me, but one can do this in Pandas already:
In [109]: df.ind...
Gradle finds wrong JAVA_HOME even though it's correctly set
...ssue, I did the following steps:
ln -sf /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java /usr/lib/jvm/default-java
Add JAVA_HOME to /etc/environment:
vi /etc/environment
Add:
JAVA_HOME="/usr/lib/jvm/default-java"
After saving, read it:
source /etc/environment
Finally, you can run build com...
How to set JAVA_HOME in Linux for all users
...
to comply with just plain JRE (even headless) use export JAVA_HOME=$(readlink -f /usr/bin/java | sed "s:/bin/java::") instead - notice that I use just java, not javac
– Roman Kruglov
Feb 27 '17 at 15:55
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Why “no projects found to import”?
...h="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="output" path="bin"/>
</classpath>
Then create .project file:
create a new txt file and name it as .project
copy paste following codes:
<?xml version="1.0" enco...
How to install a specific JDK on Mac OS X?
...ing for tools.jar isn't the right approach on Mac to know if it's a JDK or JRE :)
– Pascal Thivent
Oct 16 '09 at 13:19
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MIN/MAX vs ORDER BY and LIMIT
...gless data point, MIN() took .36s while SORT and LIMIT took .84s against a 106,000 row table on my dev server.
If, however, you're looking at an indexed column, the difference is harder to notice (meaningless data point is 0.00s in both cases). Looking at the output of explain, however, it looks l...
How can you zip or unzip from the script using ONLY Windows' built-in capabilities?
...
Not bad, but you need the JDK installed, not the JRE.
– pdem
Jul 7 '16 at 15:12
2
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Android requires compiler compliance level 5.0 or 6.0. Found '1.7' instead. Please use Android Tools
...I first got my new laptop (x64), I wanted to go x64 all the way (jvm, jdk, jre, eclipse, etc..). But once I finished setting everything up I realized that the Android SDK wasn't x64, so I had issues. Go back to x86 jvm and you should be ok.
EDIT: 11/14/13
I've seen some recent activity and figured...
Do copyright dates need to be updated? [closed]
... software, the graphic arts, motion pictures, and sound recordings. See § 106. As of January 1, 1978, all works of authorship fixed in a tangible medium of expression and within the subject matter of copyright were deemed to fall within the exclusive jurisdiction of the Copyright Act regardless of ...
How do I programmatically change file permissions?
...years since they started working on NIO.2 and it's still not in a shipping JRE.
– clee
Feb 3 '10 at 7:49
8
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