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How can I filter lines on load in Pandas read_csv function?
...suming df is any DataFrame, such as the result of a read_csv call, that at least contains a datetime column timestamp) for which the values in the timestamp column are greater than the value of targettime. Similar question.
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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
...w project.
And it also adds required namespaces for extension methods. At least the ReSharper version 5 beta does. I'm pretty sure that Visual Studio's built-in resolve function doesn't do that.
On the down side, it's a commercial product, so you have to pay for it. But if you work with software c...
What is the difference between BIT and TINYINT in MySQL?
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All these theoretical discussions are great, but in reality, at least if you're using MySQL and really for SQLServer as well, it's best to stick with non-binary data for your booleans for the simple reason that it's easier to work with when you're outputting the data, querying and so on. ...
Fetch frame count with ffmpeg
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+1, not least because, unlike too many other answers about any command line tool, this one actually explains all the command line options. Thank you.
– Ray
Mar 6 '18 at 14:52
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...cialchars so they would have an unusual number of characters...
Still, at least we're not writing Java, eh? ;)
6. Uninitialized variables have a type
The manual page on variable basics includes this statement:
Uninitialized variables have a default value of their type depending on the context...
Where to define custom error types in Ruby and/or Rails?
...e a matter of taste - there's no need to go overboard provided you have at least one custom exception type in your app which you use throughout to differentiate between 'intentional' and 'accidental' exception cases.
share
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How do I run multiple background commands in bash in a single line?
...stdin and stdout are still linked to the parent process and redirecting at least the stdout can be tricky. So alternatively you can chain the commands in a single line then pass the string to the bash command to spawn a new process which will handle the execution.
bash -c "command1 ; command2" &...
When to encode space to plus (+) or %20?
...nstead+of+spaces
(%2B = +)
But the following is a lot harder to read: (at least to me)
https://www.google.se/#q=google%20doesn%27t%20oops%20:%20%20this%20text%20%2B%20is%20different%20spaces
I would think + is unlikely to break anything, since Google uses + (see the 1st link above) and they've pr...
In Intellij, how do I toggle between camel case and underscore spaced?
...to a lowercase proceeded by an underscore. That seems bad to me. At very least you need to limit it to something like (?<=[a-z])([A-Z]) to get only capitals that follow a lowercase.
– Rex Schrader
Sep 24 at 2:14
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What's the difference between the Dependency Injection and Service Locator patterns?
... when it obtains connections from a locator. With dependency injection (at least constructor injection) the dependencies are explicit.
Moreover, service locators break encapsulation because they provide a global point of access to dependencies of other objects. With service locator, as with any sin...