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Writing data into CSV file in C#
I am trying to write into a csv file row by row using C# language. Here is my function
15 Answers
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How does a Java HashMap handle different objects with the same hash code?
...re more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key that you gave. The hashmap will then look into the corresponding bucket, and then it will compare the key that you gave with the keys of all pairs in the buck...
When is a language considered a scripting language? [closed]
...n called a "scripting language". Maybe because the hidden compilation into bytecode of the reference CPython impl. doesn't raise compilation errors regarding "type safety"? Maybe Oded's answer has these...
– n611x007
Jun 29 '12 at 6:34
...
Loop through an array in JavaScript
...nue flow control statements
Cons
Too verbose
Imperative
Easy to have off-by-one errors (sometimes also called a fence post error)
2. Array.prototype.forEach
The ES5 specification introduced a lot of beneficial array methods, one of them, the Array.prototype.forEach and it gives us a concise way t...
Accessing items in an collections.OrderedDict by index
...
If its an OrderedDict() you can easily access the elements by indexing by getting the tuples of (key,value) pairs as follows
>>> import collections
>>> d = collections.OrderedDict()
>>> d['foo'] = 'python'
>>> d['bar'] = 'spam'
>>> d.item...
How to calculate a logistic sigmoid function in Python?
...
def sigmoid(x):
return 1 / (1 + math.exp(-x))
And now you can test it by calling:
>>> sigmoid(0.458)
0.61253961344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a n...
Why doesn't Git ignore my specified file?
... that doesn’t work, then it’s likely that your file is already tracked by Git. You can confirm this through the output of git status. If the file is not listed in the “Untracked files” section, then it is already tracked by Git and it will ignore the rule from the .gitignore file.
The reaso...
Are members of a C++ struct initialized to 0 by default?
... x{0}; //with braces int y = 0 ; //or just old school style 'by assignement' which is really initialization too };
– ikku100
May 5 '16 at 17:36
...
What is opinionated software?
... an opinionated framework developer only allows access to data structures. By design, the software is limiting and encourages the designer into doing things their way.
Another example (taken from the signals link) is that of wiki. The designers of wiki had a lot of opinions. They thought HTML was t...
“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
... app is trying to notify the user from
the background thread (AsyncTask) by opening a Dialog.
If you are trying to modify the UI from background thread (usually
from onPostExecute() of AsyncTask) and if the activity enters
finishing stage i.e.) explicitly calling finish(), user pressing ...