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Upload files with HTTPWebrequest (multipart/form-data)
... url));
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
wr.ContentType = "multipa...
ModelState.IsValid == false, why?
...eturn Values.All(modelState => modelState.Errors.Count == 0);
}
}
Now, it looks like it can't be. Well, that's for ASP.NET MVC v1.
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Drop all duplicate rows across multiple columns in Python Pandas
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This is much easier in pandas now with drop_duplicates and the keep parameter.
import pandas as pd
df = pd.DataFrame({"A":["foo", "foo", "foo", "bar"], "B":[0,1,1,1], "C":["A","A","B","A"]})
df.drop_duplicates(subset=['A', 'C'], keep=False)
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How to debug external class library projects in visual studio?
...ing
Copy B's dll with dll's .PDB to the ProjectA's compiling directory.
Now debug ProjectA. When code reaches the part where you need to call dll's method or events etc while debugging, press F11 to step into the dll's code.
NOTE : DO NOT MISS TO COPY THE .PDB FILE
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...h it again soon with my own business. If you have some network technical knowledge, it really isn't that bad. Otherwise you will be better off using Paypal or another type of service.
The process starts by getting a merchant account setup and tied to your bank account. You may want to check with...
How to convert an NSString into an NSNumber
...g. int , float , char , unsigned int , etc.)? The problem is, I don't know which number type the string will contain at runtime.
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Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
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Thanks Boris! Not the right place, but I have to rant now.. Why doesn't Eclipse give an option to delete the .lock file or even hint at its existence? What self-respecting IDE can't have multiple instances running in the same workspace anyway? If deleting the .lock file is the o...
Cleanest way to toggle a boolean variable in Java?
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That's...really obvious—oops! Don't know why I didn't think of it. Thanks.
– Kevin Griffin
Oct 22 '08 at 2:46
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Facebook development in localhost
Just wanted to know if there is any way I could develop Facebook applications in localhost.
20 Answers
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How to display a dynamically allocated array in the Visual Studio debugger?
...w in the list of watched values (I can't find the name of the window right now), you can double click "a" and rename it "a,X" where X is the number of items. You'll see now all the values.
– darkgaze
May 19 '17 at 16:02
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