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How to insert tab character when expandtab option is on in Vim
When I'm in insert mode and I have the expandtab option switched on, pressing Tab ↹ results in inserting the configured number of spaces.
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How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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PhpStorm wrap/surround selection?
Often in coding and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example:
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Ant task to run an Ant target only if a file exists?
Is there an ANT Task that would execute a block only if a given file exists? I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present.
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When to throw an exception?
I have exceptions created for every condition that my application does not expect. UserNameNotValidException , PasswordNotCorrectException etc.
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Git: updating remote branch information
In a git repository, a remote branch I am not tracking was deleted. When I type
6 Answers
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Expansion of variables inside single quotes in a command in Bash
I want to run a command from a bash script which has single quotes and some other commands inside the single quotes and a variable.
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
In my script, requests.get never returns:
6 Answers
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
I am using java language,I have a method that is supposed to return an object if it is found.
36 Answers
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What's the best way of implementing a thread-safe Dictionary?
I was able to implement a thread-safe Dictionary in C# by deriving from IDictionary and defining a private SyncRoot object:
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