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How to delete an object by id with entity framework
It seems to me that I have to retrieve an object before I delete it with entity framework like below
9 Answers
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How to pass a user defined argument in scrapy spider
I am trying to pass a user defined argument to a scrapy's spider. Can anyone suggest on how to do that?
5 Answers
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When does Java's Thread.sleep throw InterruptedException?
When does Java's Thread.sleep throw InterruptedException? Is it safe to ignore it? I am not doing any multithreading. I just want to wait for a few seconds before retrying some operation.
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How to start nginx via different port(other than 80)
Hi I am a newbie on nginx, I tried to set it up on my server(running Ubuntu 4), which already has apache running.
5 Answer...
How to compare UIColors?
I'd like to check the color set for a background on a UIImageView. I've tried:
20 Answers
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How to take the first N items from a generator or list in Python? [duplicate]
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Slicing a list
top5 = array[:5]
To slice a list, there's a simple syntax: array[start:stop:step]
You can omit any parameter. These are all valid: array[start:], array[:stop], array[::step]
Slicing a generator
import itertools
top5 =...
Prevent browser from loading a drag-and-dropped file
I'm adding an html5 drag and drop uploader to my page.
10 Answers
10
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How to get index of object by its property in JavaScript?
... }
}
return -1;
}
var Data = [
{id_list: 2, name: 'John', token: '123123'},
{id_list: 1, name: 'Nick', token: '312312'}
];
With this, not only can you find which one contains 'John' but you can find which contains the token '312312':
findWithAttr(Data, 'name', 'John'); // ret...
Calculate a MD5 hash from a string
I use the following C# code to calculate a MD5 hash from a string.
It works well and generates a 32-character hex string like this:
900150983cd24fb0d6963f7d28e17f72
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
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Use the ensure_ascii=False switch to json.dumps(), then encode the value to UTF-8 manually:
>>> json_string = json.dumps("ברי צקלה", ensure_ascii=False).encode('utf8')
>>> json_string
b'"\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\...