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How can i tell if an object has a key value observer attached
...removeObservers: for a key path and that key path has not been registered, it cracks the sads. like -
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Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.
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Best way to generate random file names in Python
... to prepend to a file(name) that I'm saving to a server, just to make sure it does not overwrite. Thank you!
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Calculating arithmetic mean (one type of average) in Python
...s there a built-in or standard library method in Python to calculate the arithmetic mean (one type of average) of a list of numbers?
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I can’t find the Android keytool
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keytool comes with the Java SDK. You should find it in the directory that contains javac, etc.
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Read properties file outside JAR file
...for running. I have to access a properties file which need to be changed/edited before each run. I want to keep the properties file in the same directory where the JAR file is. Is there anyway to tell Java to pick up the properties file from that directory ?
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Square retrofit server mock for testing
...t's the best way to mock a server for testing when using the square retrofit framework .
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How to select all instances of a variable and edit variable name in Sublime
...y string) in my code, all other instances of that variable get a stroke (white outline) around them:
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Visual Studio support for new C / C++ standards?
...ht be nice to use someday. However, we currently languish in the land of writing C++ in Visual Studio.
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Removing Data From ElasticSearch
...deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know my indexes. Essentially, I'd like to figure out how to do a
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