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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...g-include can trip you up if you try to bind to a primitive (e.g., number, string, boolean) in the parent scope from inside the child scope. It doesn't work the way most people expect it should work. The child scope gets its own property that hides/shadows the parent property of the same name. Yo...
What does f+++++++++ mean in rsync logs?
...s a cryptic output that is 11 letters long. The general format is like the string YXcstpoguax, where Y is replaced by the type of update being done, X is replaced by the file-type, and the other letters represent attributes that may be output if they are being modified.
The update types that replac...
Is there StartsWith or Contains in t sql with variables?
...'prefix%' will be very fast when colName is indexed, but colName LIKE '%substring%' or colName LIKE '%suffix' will be slow because SQL Server does not create suffix-trees when indexing text. Similarly using LEFT with a column will also be slow because those queries are not SARGable. SARGability is i...
Running bash script from within python
...eep.sh', 0o755) then you could read the script as a text file and pass the string to subprocess module instead:
with open('sleep.sh', 'rb') as file:
script = file.read()
rc = call(script, shell=True)
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively.
Figure ...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively.
Figure ...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively.
Figure ...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...e function Detect is fired when the user performs a gesture, and returns a string which is the name of the recognized gesture. If no gesture is detected, the returned string is empty. The function EnableDetection and DisableDetection are used to switch on and off the detection respectively.
Figure ...
In-place edits with sed on OS X
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You can use:
sed -i -e 's/<string-to-find>/<string-to-replace>/' <your-file-path>
Example:
sed -i -e 's/Hello/Bye/' file.txt
This works flawless in Mac.
sha...
Const in JavaScript: when to use it and is it necessary?
... You should say that this "immutable" behaviour is only applicable to Strings, Basic Types. Using Objects, Arrays etc. it is possible to change the values but it is not possible to re-assign an new "Object", e.g. const a = ["a","b"]; a = []; will throw an error otherwise it is possible
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