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Update all objects in a collection using LINQ
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While you can use a ForEach extension method, if you want to use just the framework you can do
collection.Select(c => {c.PropertyToSet = value; return c;}).ToList();
The ToList is needed in order to evaluate the select immediately due to lazy evaluation.
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Parsing a CSV file using NodeJS
With nodejs I want to parse a .csv file of 10000 records and do some operation on each row. I tried using http://www.adaltas.com/projects/node-csv . I couldnt get this to pause at each row. This just reads through all the 10000 records. I need to do the following:
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Convert string date to timestamp in Python
How to convert a string in the format "%d/%m/%Y" to timestamp?
14 Answers
14
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Insert into a MySQL table or update if exists
I want to add a row to a database table, but if a row exists with the same unique key I want to update the row.
11 Answers
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How to obtain a Thread id in Python?
I have a multi-threading Python program, and a utility function, writeLog(message) , that writes out a timestamp followed by the message. Unfortunately, the resultant log file gives no indication of which thread is generating which message.
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How do I resize an image using PIL and maintain its aspect ratio?
...ht).
The proper size is oldsize*ratio.
There is of course also a library method to do this: the method Image.thumbnail.
Below is an (edited) example from the PIL documentation.
import os, sys
import Image
size = 128, 128
for infile in sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + "....
An error occurred while signing: SignTool.exe not found
... trying to Update my Project I was making - I got an error for the first time I've seen:
14 Answers
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Reverting single file in SVN to a particular revision
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but the next time you update it gets the file you didn't want back... :S
– andygoestohollywood
Nov 15 '13 at 9:53
2
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Need to ZIP an entire directory using Node.js
...an entire directory using Node.js. I'm currently using node-zip and each time the process runs it generates an invalid ZIP file (as you can see from this Github issue ).
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What's the scope of a variable initialized in an if statement?
...coping question. The following code in a Python file (module) is confusing me slightly:
8 Answers
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