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pandas: multiple conditions while indexing data frame - unexpected behavior
I am filtering rows in a dataframe by values in two columns.
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How to check if a model has a certain column/attribute?
I have a method that needs to loop through a hash and check if each key exists in a models table, otherwise it will delete the key/value.
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
Does the question mark after equals have special meaning? ie:
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Is sizeof(bool) defined in the C++ language standard?
I can't find an answer in the standard documentation. Does the C++ language standard require sizeof(bool) to always be 1 (for 1 byte), or is this size implementation-defined?
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Multiple select statements in Single query
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Why start a shell command with a backslash?
Why is the command starting with \ ?
This is the site where I saw it.
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NerdTree - Reveal file in tree
Is there a shortcut which reveal the current file in the NerdTree directory panel.
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What is the purpose of static keyword in array parameter of function like “char s[static 10]”?
While browsing some source code I came across a function like this:
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What is Python buffer type for?
There is a buffer type in python, but I don't know how can I use it.
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How can I verify if a Windows Service is running
I have an application in C# (2.0 running on XP embedded) that is communicating with a 'watchdog' that is implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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