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What is the difference between lock and Mutex?
What is the difference between lock and Mutex? Why can't they be used interchangeably?
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Multiple commands in gdb separated by some sort of delimiter ';'?
I am trying to execute two commands at once in gdb:
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How to convert java.sql.timestamp to LocalDate (java8) java.time?
...In our case atZone(zoneId) made it explicit that we are doing a conversion and using a particular timezone for it.
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C++11 range based loop: get item by value or reference to const
... with copies.
Choose auto &x when you want to work with original items and may modify them.
Choose auto const &x when you want to work with original items and will not modify them.
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Member initialization while using delegated constructor
I've started trying out the C++11 standard and i found this question which describes how to call your ctor from another ctor in the same class to avoid having a init method or the like. Now i'm trying the same thing with code that looks like this:
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
..., getting dates/times right when programming is always fraught with danger and difficulity.
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Truncate a list to a given number of elements
...t an out of bounds exception. Choose the minimum value of the desired size and the current size of the list as the ending index.
Lastly, note that the second argument should be one more than the last desired index.
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Android - Center TextView Horizontally in LinearLayout
...rLayout it is already in the horizontal center of the layout. When you use android:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center what you're really trying to do is place the content in the center which can be accomplished with a...
Can someone explain collection_select to me in clear, simple terms?
I am going through the Rails API docs for collection_select and they are god-awful.
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Fixed stroke width in SVG
...ncludes writing a small script to do the same, basically inverting the CTM and applying it on the elements that shouldn't scale.
If you want sharper lines you can also disable antialiasing (shape-rendering=optimizeSpeed or shape-rendering=crispEdges) and/or play with the positioning.
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