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Create an empty list in python with certain size
...nately if you want to create a list-of-lists you will run into referencing errors. Example in Python 2.7.6:
>>> a = [[]]*10
>>> a
[[], [], [], [], [], [], [], [], [], []]
>>> a[0].append(0)
>>> a
[[0], [0], [0], [0], [0], [0], [0], [0], [0], [0]]
>>>
...
Extract a part of the filepath (a directory) in Python
...-voting them, and possibly accepting one of them. I'm glad you spotted the error though.
– ely
Apr 13 '12 at 23:29
I l...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...tory, !file_exists($dir) will return false, folder will not be created, so error "failed to open stream: No such file or directory" will be occured. In Windows there is a difference between 'file' and 'folder' types, so need to use file_exists() and is_dir() at the same time, for ex.:
if (file_exis...
Case insensitive XPath contains() possible?
...fox and Chrome? I just tried it in the console and they both return syntax error.
– d-b
Jun 8 '19 at 11:51
1
...
how to change any data type into a string in python
...might fail if your object have more than ascii characters and you will see error like ordinal not in range(128). This was the case for me while I was converting list of string in language other than English
I resolved it by using unicode(object)
...
Difference between List, List, List, List, and List
...t; c = new ArrayList<String>();
c.add(new Object()); // Compile time error
List< T> List< E>
Means generic Declaration at the premise of none T or E type in your project Lib.
List< Object> means generic parameterization.
...
Android and in TextView
...eference.
<!ENTITY con "\&apos;"><!-- contraction, otherwise error: "Apostrophe not preceded by \"
Sadly &apos; cannot be overridden due to XML spec:
https://www.w3.org/TR/xml/#sec-predefined-ent -->
<!ENTITY param1 "&am...
Working with huge files in VIM
...in did not work for me. It still used up all my memory and then printed an error message :-(. I could not use hexedit for either, as it cannot insert anything, just overwrite. Here is an alternative approach:
You split the file, edit the parts and then recombine it. You still need twice the disk sp...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...
if anyone pasted this and saw undefined method error, there's a small typo here. It should be :asc instead of asc: Model.order({price: :desc}, {date: :desc}, {price: :asc})
– nayiaw
Sep 7 '18 at 6:45
...
Passing route control with optional parameter after root in express?
...returned by client.get. I'm thrown a cannot call method 'indexOf' of null error.
– Qcom
Jul 22 '11 at 2:25
Also, woul...