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Node.js check if path is file or directory
...
The following should tell you. From the docs:
fs.lstatSync(path_string).isDirectory()
Objects returned from fs.stat() and fs.lstat() are of this type.
stats.isFile()
stats.isDirectory()
stats.isBlockDevice()
stats.isCharacterDevice()
stats.isSymbolicLin...
convert a char* to std::string
...rieved by fgets() . To do this I need to convert the char* return value from fgets() into an std::string to store in an array. How can this be done?
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What are the differences between struct and class in C++?
...uced to be exactly like a struct, but private by default.
If C++ had come from scratch, with no history, then it would probably have only one such keyword. It also probably wouldn't have made the impact it made.
In general, people will tend to use struct when they are doing something like how stru...
What is stack unwinding?
... article on the call stack has a decent explanation.
Unwinding:
Returning from the called function will pop the top frame off of the stack, perhaps leaving a return value. The more general act of popping one or more frames off the stack to resume execution elsewhere in the program is called stack u...
How do I declare class-level properties in Objective-C?
... by apple and also improves readability since returning/setting self.value from the getter/setter causes infinite recursion. In my opinion this is the right answer.
– Peter Segerblom
May 2 '14 at 12:14
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Merge 2 arrays of objects
...o keep up to date.
The source (arr2) array is where the new data is coming from, and we want it merged into our target array.
We loop over the source array looking for new data, and for every object that is not yet found in our target array we simply add that object using target.push(sourceElement)
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What does f+++++++++ mean in rsync logs?
...ot changed in the meantime. But it will start checking all the files again from the beginning to find out, as it is not aware that it had been interrupted.
2 - Each character is a code that can be translated if you read the section for -i, --itemize-changes in man rsync
Decoding your example log f...
How is location accuracy measured in Android?
...
By this time the GPS will be on. The GPS device needs at least 30 seconds from a cold start to get a fix, so if can get a fix it will return latitude and longitude but again with an accuracy, which will be the highest possible for an example 100 meters. The longer the GPS works, the better accuracy...
Git: Remove committed file after push
...concile his local branch head with the central one:
To remove file change from last commit:
to revert the file to the state before the last commit, do:
git checkout HEAD^ /path/to/file
to update the last commit with the reverted file, do:
git commit --amend
to push the updated commit to the r...
Is there a built-in function to print all the current properties and values of an object?
...rithmeticError', 'AssertionError', 'AttributeError',...
or
>>> from pprint import pprint
>>> pprint(l)
['ArithmeticError',
'AssertionError',
'AttributeError',
'BaseException',
'DeprecationWarning',
...
>>> pprint(d, indent=2)
{ 'ArithmeticError': <type 'exceptio...