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Converting a column within pandas dataframe from int to string
...eference.
All of the above answers will work in case of a data frame. But if you are using lambda while creating / modify a column this won't work, Because there it is considered as a int attribute instead of pandas series. You have to use str( target_attribute ) to make it as a string. Please refe...
How do I serialize a C# anonymous type to a JSON string?
...thers have mentioned, Newtonsoft JSON.NET is a good option. Here is a specific example for simple JSON serialization:
return JsonConvert.SerializeObject(
new
{
DataElement1,
SomethingElse
});
I have found it to be a very flexible, versatile library.
...
Eclipse error: indirectly referenced from required .class files?
...
Universal and simple answer that help me a lot in different case :) THX
– Mariusz Chw
Dec 10 '13 at 15:37
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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
...o, you should run mysql -u root -p in bash, not at the MySQL command-line.
If you are in mysql, you can exit by typing exit.
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How do I extract the contents of an rpm?
...he cpio arguments are
-i = extract
-d = make directories
-m = preserve modification time
-v = verbose
I found the answer over here: lontar's answer
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INSTALL_FAILED_UPDATE_INCOMPATIBLE when I try to install compiled .apk on device
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what if I just try to do an update of an existing app? this would remove everything my last app saved locally
– miracle-doh
Nov 16 '18 at 9:04
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How do I verify that an Android apk is signed with a release certificate?
...ommand, (go to java < jdk < bin path in cmd prompt)
$ jarsigner -verify -verbose -certs my_application.apk
If you see "CN=Android Debug", this means the .apk was signed with the debug key generated by the Android SDK
(means it is unsigned), otherwise you will find something for CN.
For more...
The type initializer for 'MyClass' threw an exception
...ils in the class CSMessageUtility.CSDetails (and any methods it may call). If you don't find the problem on your own, update the question with that code.
– Fredrik Mörk
Dec 9 '10 at 13:01
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How to Create Multiple Where Clause Query Using Laravel Eloquent?
...= ['field' => 'value', 'another_field' => 'another_value', ...];
// if you need another group of wheres as an alternative:
$orThose = ['yet_another_field' => 'yet_another_value', ...];
Then:
$results = User::where($matchThese)->get();
// with another group
$results = User::where($ma...
Python integer division yields float
...142857142857
100//35 => 2
100.//35 => 2.0 # floating-point result if divsor or dividend real
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