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Count number of days between two dates
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Doesn't work for (Time.zone.now.to_date - 23.hours.ago.to_date).to_i, it gives 1 and should be 0
– Yuri Ghensev
Feb 4 '17 at 16:21
3
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UITableViewCell, show delete button on swipe
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Also important to know: these are UITableViewDataSource methods and NOT UITableViewDelegate methods.
– Dave Albert
May 14 '13 at 9:49
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Equation (expression) parser with precedence?
...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools.
Update:
People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
Use of 'prototype' vs. 'this' in JavaScript?
...type is TOTALLY DIFFERENT from the __proto__ property. In our example, 'A' now has TWO properties called 'prototype' and __proto__ . This is a big confusion for people. prototype and __proto__ properties are in no way related, they're separate things pointing to separate values.
You may wonder: Why...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
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Update 2015: Nowadays I always recommend Anaconda. It includes lots of Python packages for scientific computing, data science, web development, etc. It also provides a superior environment tool, conda, which allows to easily switch betwee...
RAII and smart pointers in C++
... should be anyway), closing the file is taken care of for us. So, our code now looks something like:
File file("/path/to/file");
// Do stuff with file
// No need to close it - destructor will do that for us
This cannot be done in Java since there's no guarantee when the object will be destroyed, ...
Kotlin: how to pass a function as parameter to another?
...to foo
fun something() {
foo("hi", ::buz)
}
Since Kotlin 1.1 you can now use functions that are class members ("Bound Callable References"), by prefixing the function reference operator with the instance:
foo("hi", OtherClass()::buz)
foo("hi", thatOtherThing::buz)
foo("hi", this::buz)
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C# DateTime to “YYYYMMDDHHMMSS” format
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DateTime.Now.ToString("yyyyMMddHHmmss"); // case sensitive
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Removing App ID from Developer Connection
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Update: You can now remove an App ID (as noted by @Guru in the comments).
In the past, this was not possible: I had the same problem, and the folks at Apple replied that they will leave all of the App ID you create associated to your login...
How do I get a Date without time in Java?
...acto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310)."
– Drux
Aug 28 '16 at 15:09
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