大约有 47,000 项符合查询结果（耗时：0.0785秒） [XML]
find: missing argument to -exec
...
I figured it out now. When you need to run two commands in exec in a find you need to actually have two separate execs. This finally worked for me.
find . -type f -name "*.rm" -exec ffmpeg -i {} -sameq {}.mp3 \; -exec rm {} \;
...
What is the difference between ng-if and ng-show/ng-hide
...ives that create a different scope are ngInclude, ngRepeat. Hope its clear now. :)
– AlwaysALearner
Jun 13 '14 at 23:03
...
How to get the number of Characters in a String?
...o 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 24923)
The compiler detects len([]rune(string)) pattern automatically, and replaces it with for r := range s call.
Adds a new runtime function to count runes in a string.
Modifies the compiler to ...
how to use javascript Object.defineProperty
...-shop owner might realize that the discount can't be greater than say 80%. Now you need to find EVERY occurence of the discount modification in the client code and add a line
if(obj.discount>80) obj.discount = 80;
Then the e-shop owner may further change his strategy, like "if the customer is ...
PowerShell: Store Entire Text File Contents in Variable
...ing blank line that may or may not exist) in a variable. I'd also like to know the total number of lines in the text file. What's the most efficient way to do this?
...
Check if value exists in Postgres array
...ething' = ANY(some_array) can also be used in a WHERE clause. For reasons known only to Crom, I have spent the last four years thinking that I couldn't use array comparators in WHERE clauses. Those days are gone now. (I was dropped on my head as a child, so maybe it's just me).
...
What is the difference between char array and char pointer in C?
...
Is something changed from 2012 to now. For a character array "s" prints entire array.. i.e., "hello"
– Bhanu Tez
May 9 '19 at 6:48
...
How to return result of a SELECT inside a function in PostgreSQL?
I have this function in PostgreSQL, but I don't know how to return the result of the query:
2 Answers
...
Attempt to set a non-property-list object as an NSUserDefaults
...n is a non-property-list object is telling you that the framework doesn't know how to serialize your person object.
So all that is needed is to ensure that your person object conforms to NSCoding then you can simply convert your array of custom objects into NSData and store that to defaults. Heres...
Using an ORM or plain SQL? [closed]
...a lot of work in getting data in and out of the database. (You'll want to know how it handles polymorphism and many-to-many relationships if you need to map those. It's these two domains that provide most of the 'impedance mismatch' that makes some call ORM the 'vietnam of computer science'.)
For a...