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Override setter with arc
...n this case, the override is not necessary as you don't do more than the standard generated setter would do? Only if you add more code to setImageURLString: would you need to override the setter.
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Convert JavaScript String to be all lower case?
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what is time and space complexity of toLowerCase() function?
– Ramzan Chasygov
Apr 4 '18 at 17:41
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How do I extract the contents of an rpm?
I have an rpm and I want to treat it like a tarball. I want to extract the contents into a directory so I can inspect the contents. I am familiar with the querying commands of an uninstalled package. I do not simply want a list of the contents of the rpm. i.e.
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MySQL Delete all rows from table and reset ID to zero
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Do not delete, use truncate:
Truncate table XXX
The table handler does not remember the last used AUTO_INCREMENT value, but starts counting from the beginning. This is true even for MyISAM and InnoDB, which normally do not reuse sequence values.
Source.
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Renaming branches remotely in Git
If there is a repository that I only have git:// access to (and would usually just push+pull), is there a way to rename branches in that repository in the same way that I would do locally with git branch -m ?
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Semicolons superfluous at the end of a line in shell scripts?
...lons at the end of a line are superfluous, since the newline is also a command separator. case specifically needs double semicolons at the end of the last command in each pattern block; see help case for details.
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PhoneGap: Detect if running on desktop browser
...developing a web application that uses PhoneGap:Build for a mobile version and want to have a single codebase for the 'desktop' and mobile versions. I want to be able to detect if PhoneGap calls will work (ie, is the user on a mobile device that will support PhoneGap).
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How does MongoDB sort records when no sort order is specified?
...ementation detail. Maintaining order is extra overhead for storage engines and MongoDB's API does not mandate predictability outside of an explicit sort() or the special case of fixed-sized capped collections which have associated usage restrictions. For typical workloads it is desirable for the sto...
What's the difference between String(value) vs value.toString()
Javascript has lot's of "tricks" around types and type conversions so I'm wondering if these 2 methods are the same or if there is some corner case that makes them different?
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What is the meaning of “vnd” in MIME types?
Reading up on content providers, I keep wondering why both the category and type of Android MIME types are prefixed with vnd. For example:
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