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What does git rev-parse do?
...es the term rev in plumbing commands as short for "revision" and generally meaning the 40-character SHA1 hash for a commit. The command rev-list for example prints a list of 40-char commit hashes for a branch or whatever.
In this case the name might be expanded to parse-a-commitish-to-a-full-SHA1-h...
What are file descriptors, explained in simple terms?
...shell when the program starts.
FD's are allocated in the sequential order, meaning the lowest possible unallocated integer value.
FD's for a particular process can be seen in /proc/$pid/fd (on Unix based systems).
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PHP foreach change original array values
...In general, PHP prefers pass by value due to the copy-on-write feature. It means that internally PHP will not create duplicate data unless the copy of it needs to be changed. It is debatable whether pass by reference in foreach would offer a performance improvement. As it is always the case, you nee...
Which is better, number(x) or parseFloat(x)?
... NaN so Again I would go with parseFloat, because an empty string does NOT mean the number 0, only a string with the character "0" in it means 0;
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receiver type *** for instance message is a forward declaration
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That basically means that you need to import the .h file containing the declaration of States.
However, there is a lot of other stuff wrong with your code.
You're -init'ing an object without +alloc'ing it. That won't work
You're declarin...
Edit the root commit in Git?
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@Leo what does your comment mean? I can't see the link between the first part and the second - what does taking a while have to do with it?
– boycy
Nov 29 '17 at 12:29
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How can javascript upload a blob?
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@FullDecent What do you mean? To prompt the user to download a file using the File API? Or to just store the blob content?
– Fabrício Matté
Aug 7 '13 at 2:07
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TypeError: ObjectId('') is not JSON serializable
...ectID is removed, but my json response is broken into single characters. I mean when I print each element from the resulting json in a for loop I get each character as an element. Any idea how to solve this?
– Varij Kapil
May 29 '17 at 15:50
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Spring DAO vs Spring ORM vs Spring JDBC
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so you mean, spring-dao abstracts away exceptions specific to Hibernate/JDO/JDBC and provides a standard set of exceptions? Does it have any templates to access db? or is it just an abstraction to be used with other spring component...
How to only find files in a given directory, and ignore subdirectories using bash
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I think you mean -maxdepth 1 rather than -maxdepth 0
– Mark Longair
Oct 10 '11 at 16:04
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