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Why does the 260 character path length limit exist in Windows?
...tructured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>" represents the invisible terminating null chara...
Xcode suddenly stopped running project on hardware: “Could not launch xxx.app: .. No such file..” [c
...vice and attempted to re-install by rerunning it in Xcode (something I've done hundreds of times before).
34 Answers
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Access nested dictionary items via a list of keys?
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[keysInDict(v,parent+[k]) for k,v in dataDict.items()], [])
One use of it is to convert the nested tree to a pandas DataFrame, using the following code (assuming that all leafs in the nested dictionary have the same depth).
def dict_to_df(dataDict):
ret = []
for k in keysInDi...
Passing variable arguments to another function that accepts a variable argument list
..._list to another function that only takes a va_list, but that function (or one that it calls) must have some way of knowing what's in the va_list.
– Jonathan Leffler
Feb 14 at 20:18
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Use space as a delimiter with cut command
...sually if you use space as delimiter, you want to treat multiple spaces as one, because you parse the output of a command aligning some columns with spaces. (and the google search for that lead me here)
In this case a single cut command is not sufficient, and you need to use:
tr -s ' ' | cut -d ' ...
Access POST values in Symfony2 request object
...ywhere. In a controller in Symfony2, I want to access the POST value from one of my forms. In the controller I have:
9 An...
how to use python to execute a curl command
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Should anyone else happen to see this, the reason why that was happening to me is that I was giving a string as my payload instead of a dictionary object.
– tricknology
Apr 24 '15 at 22:37
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Implicit type conversion rules in C++ operators
...pes) always act on objects of the same type.
Thus if they are not the same one will be promoted to match the other.
The type of the result of the operation is the same as operands (after conversion).
If either is long double the other is promoted to long double
If eithe...
Recommended way to insert elements into map [duplicate]
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insert is not a recommended way - it is one of the ways to insert into map. The difference with operator[] is that the insert can tell whether the element is inserted into the map. Also, if your class has no default constructor, you are forced to use insert.
op...
are there dictionaries in javascript like python?
... used to simulate a dictionary as:
var dict = new JSdict();
dict.add(1, "one")
dict.add(1, "one more")
"Duplicate keys not allowed!"
dict.getVal(1)
"one"
dict.update(1, "onne")
dict.getVal(1)
"onne"
dict.remove(1)
dict.getVal(1)
"Key not found!"
This is just a basic simulation.
It can be f...