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Replacing Pandas or Numpy Nan with a None to use with MysqlDB
...areful when replacing multiples and converting the type of the column back from object to float. If you want to be certain that your None's won't flip back to np.NaN's apply @andy-hayden's suggestion with using pd.where.
Illustration of how replace can still go 'wrong':
In [1]: import pandas as pd
...
Jackson databind enum case insensitive
...d.exc.InvalidFormatException: Cannot deserialize value of type ....Gender` from String "male": value not one of declared Enum instance names: [FAMALE, MALE]
– Jordan Silva
Oct 22 '17 at 17:19
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Meaning of 'const' last in a function declaration of a class?
...st char* bar();
}
The method bar() is non-const and can only be accessed from non-const values.
void func1(const foobar& fb1, foobar& fb2) {
const char* v1 = fb1.bar(); // won't compile
const char* v2 = fb2.bar(); // works
}
The idea behind const though is to mark methods which wi...
How to specify id when uses include in layout xml file
...t appears to me if I set the id first (in include tag, it overrides the id from the included layout, right?), I will have the include tag to be initially '@+id/cell1' and then the layout='@layout/workspace_screen' will override the android:id again with the id of the included layout. @Ron Romero's a...
Chaining multiple MapReduce jobs in Hadoop
... Chaining Jobs
You use the JobClient.runJob(). The output path of the data from the first job becomes the input path to your second job. These need to be passed in as arguments to your jobs with appropriate code to parse them and set up the parameters for the job.
I think that the above method might...
Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
...y is detached and again if we update it.
But if the entity is not detached from per context, (i.e. find and update operations are in the same transaction) the below method works.
public void setChildren(Set<SonEntity> aSet) {
//this.sonEntities = aSet; //This will override the set that Hi...
How to add -Xlint:unchecked to my Android Gradle based project?
... Thanks, this worked for me although I am not sure where this answer came from. It seems ridiculous to me that by default the linter will raise an error with no information about the problem until you add these options.
– JHS
Apr 8 '18 at 18:41
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Android draw a Horizontal line between views
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Space inherits from View and therefore it inherits all the attributes defined by View. (Similarly, LinearLayout inherits the textAlignment attribute even though it doesn't itself display any text.) Feel free to test this for yourself (or ju...
How to remove “index.php” in codeigniter's path
...;--- replace None with All
Order allow,deny
allow from all
</Directory>
...
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Can every recursion be converted into iteration?
... such a system. He spent a long time trying to separate the implementation from the semantics of a programming language. Then again, his non-deterministic and multiprocessing programming languages are in a league above the practicing professional programmer.
In the final analysis, many functions ar...