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Suppress echo of command invocation in makefile?
I wrote a program for an assignment which is supposed to print its output to stdout. The assignment spec requires the creation of a Makefile which when invoked as make run > outputFile should run the program and write the output to a file, which has a SHA1 fingerprint identical to the one given...
Select multiple columns in data.table by their numeric indices
How can we select multiple columns using a vector of their numeric indices (position) in data.table ?
5 Answers
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Name of this month (Date.today.month as name)
I'm using Date.today.month to display the month number. Is there a command to get the month name, or do I need to make a case to get it?
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What does apply_filters(…) actually do in WordPress?
I'm trying to understand some of the function in WordPress, but I can't get my head around what apply_filters(...) actually does.
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Is there a benefit to defining a class inside another class in Python?
What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
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Postgres: “ERROR: cached plan must not change result type”
This exception is being thrown by the PostgreSQL 8.3.7 server to my application.
Does anyone know what this error means and what I can do about it?
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Revert the `--no-site-packages` option with virtualenv
I have created a virtualenv using the --no-site-packages option and installed lots of libraries. Now I would like to revert the --no-site-packages option and use also the global packages.
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Bundle ID Suffix? What is it?
I'm new to the iPhone submission process. Apple asks for the Bundle ID Suffix. What is this? Not sure what to put here and what the significance of it is.
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Mongoose's find method with $or condition does not work properly
Recently I start using MongoDB with Mongoose on Nodejs.
4 Answers
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Java Date cut off time information
I have a Java Date object containing date and time information. I want to write a method that cuts off the time information, truncates the hours-minutes-seconds, so I only have the date left.
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