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How to keep index when using pandas merge
...2']))
In: a['col2']
Out:
col1 to_merge_on col2
a 1 1 1.0
b 2 3 2.0
c 3 4 NaN
This doesn't introduce a dummy index name for the index.
Note however that there is no DataFrame.map method, and so this approach is not for multiple columns.
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Convert PDF to image with high resolution
...
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original command (the image on the right):
(To really see and appreciate the differences between the two, right-click on each and sel...
Programmatically change log level in Log4j2
... }
}
Assuming following log4j2.xml is in classpath
<?xml version="1.0" encoding="UTF-8"?>
<Configuration xmlns="http://logging.apache.org/log4j/2.0/config">
<Appenders>
<File name="FILE" fileName="logs/server.log" append="true">
<PatternLayou...
MongoDB or CouchDB - fit for production? [closed]
...to CouchDB.
It's quite a risky step, I admit. Firstly, because it's not v1.0 yet. And secondly, because it is drivespace-hungry. By my calculations, CouchDB file (with indexes) is ~30 times larger than MySQL database with the same rows.
But I am pretty sure it will work out just fine.
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Exclude all transitive dependencies of a single dependency
...;artifactId>maven-enforcer-plugin</artifactId>
<version>1.0.1</version>
<executions>
<execution>
<id>only-junit-dep-is-used</id>
<goals>
<goal>enforce</goal>
</goals&...
How can I see the request headers made by curl when sending a request to the server?
...Accept: */*
> Testing: Test header so you see this works
>
< HTTP/1.0 200 OK
...
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When is a CDATA section necessary within a script tag?
...cript>
When browsers treat the markup as HTML and you want your XHTML 1.0 markup (for example) to validate.
<script>
//<![CDATA[
...code...
//]]>
</script>
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How to handle checkboxes in ASP.NET MVC forms?
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This is also present in the 1.0 release. Look at the answer @andrea-balducci submitted that gives you an intelligent way to deal with this. If the checkbox is not checked, the resulting text retrieved should be 'false false' - its a good workaround to...
How do I declare a global variable in VBA?
...************''
' Name: Date: Created Date Author: Name
' Current Version: 1.0
' Called by:
''***********************************''
' Notes: Explain Who what when why...
' This code Example requires properties to be filled in
''***********************************''
' Global Variables
Public Globa...
Maven: best way of linking custom external JAR to my project?
.../artifactId>
<scope>system</scope>
<version>1.0</version>
<systemPath>${basedir}\src\lib\ldapjdk.jar</systemPath>
</dependency>
</dependencies>
Reference: http://www.tutorialspoint.com/maven/maven_external_dependencies.htm
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