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How to change time in DateTime?
...on-ready. Its ZonedDateTime type is made "aware" by linking it to a tz database entry.
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Check for installed packages before running install.packages() [duplicate]
...1) system.file does not look in all .libPath() locations, and (2) my conda based R installation alters the .libPaths in some way.
– Aditya
Apr 11 '19 at 14:55
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Guaranteed lifetime of temporary in C++?
...e pointer that strdup sees is invalid! Could you please explain a bit more based on this example?
– Grim Fandango
Dec 9 '14 at 13:00
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Find which commit is currently checked out in Git
...n, you can do:
$ git show --oneline -s
c0235b7 Autorotate uploaded images based on EXIF orientation
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Transfer-Encoding: gzip vs. Content-Encoding: gzip
...h encoding is being used. The client can then read data off of the socket based on the Transfer-Encoding (ie, chunked) and then decode it based on the Content-Encoding (ie: gzip).
So, in your case, the client would send an Accept-Encoding: gzip request header, and then the server may decide to com...
Understanding dispatch_async
...ount).
The level of concurrency is handled entirely by the system and is based on system load and other internally determined factors. This is the beauty of Grand Central Dispatch (the dispatch_async() system) - you just make your work units as code blocks, set a priority for them (based on the qu...
Rename a class in Xcode: Refactor… is grayed out (disabled). Why?
...ctor was disabled because the Xcode project I had opened was referencing a Base SDK that was missing. Edit Project Settings and in the Build tab set the Base SDK to one that you have (like for me this was iOS 4.2). This enabled Refactor for me.
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How to check if type of a variable is string?
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In Python 2.x, you would do
isinstance(s, basestring)
basestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of str or unicode.
In Python 3.x, the correct test is
isinstance(s, str)
The bytes class is...
Delete duplicate records in SQL Server?
...d EmployeeName table Employee . The goal is to delete repeated records, based on the EmployeeName field.
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mysqldump - Export structure only without autoincrement
I have a MySQL database and I am trying to find a way to export its structure only, without the auto increment values. mysqldump --no-data would almost do the job, but it keeps the auto_increment values. Is there any way to do it without using PHPMyAdmin (that I know it can do it)?
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