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What is the significance of #pragma marks? Why do we need #pragma marks?
What is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come before all others?
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Rails ActiveRecord date between
I need to query comments made in one day. The field is part of the standard timestamps, is created_at . The selected date is coming from a date_select .
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Showing a different background colour in Vim past 80 characters
I have seen Vim 80 column layout concerns , but the answer there highlights only actual content that goes over the 80 character mark. I want to have a 100+ column Vim window open with the leftmost 80 columns using the normal background and anything past that using a slightly different background. T...
Add hover text without javascript like we hover on a user's reputation
In stackoverflow, when we hover on a user's reputation we see a text. I have seen this at many places and the source code tells me that it can be done without js. And i tried and got only this-
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
What is the regex to make sure that a given string contains at least one character from each of the following categories.
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onMeasure custom view explanation
I tried to do custom component. I extended View class and do some drawing in onDraw overrided method. Why I need to override onMeasure ? If I didn't, everything seen to be right. May someone explain it? How should I write my onMeasure method? I've seen couple tutorials, but each one is a litt...
How can I clear scrollback buffer in Tmux?
FYI, I am using Tmux through the Mac OS X Terminal app.
13 Answers
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How to filter rows in pandas by regex
I would like to cleanly filter a dataframe using regex on one of the columns.
7 Answers
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What's the status of multicore programming in Haskell?
What's the status of multicore programming in Haskell? What projects, tools, and libraries are available now? What experience reports have there been?
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Is cout synchronized/thread-safe?
In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library?
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