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append new row to old csv file python
...e to append a new row opening the file in 'a'mode.
Even in windows, in order to avoid the newline problem, you must declare it as newline=''.
Now you can open the file in 'a'mode (without the b).
import csv
with open(r'names.csv', 'a', newline='') as csvfile:
fieldnames = ['This','aN...
How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...ke width and size
Paint color = new Paint();
color.setTextSize(35);
color.setColor(Color.BLACK);
// modify canvas
canvas1.drawBitmap(BitmapFactory.decodeResource(getResources(),
R.drawable.user_picture_image), 0,0, color);
canvas1.drawText("User Name!", 30, 40, color);
// add marker to Map
mMa...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...act so that if you were to try on your own and didn't realize there was an order of operations, then you would get this error. Naturally after adding the primary key data, your foreign key data in the child table must conform to the primary key field in the parent table, otherwise, you will still g...
How do I make and use a Queue in Objective-C?
...iety of implementations of queues, as well as stacks, deques, sorted sets, etc. For your purposes, CHCircularBufferQueue is significantly faster (i.e. provable with benchmarks) and more readable (admittedly subjective) than using an NSMutableArray.
One big advantage of using a native Objective-C cl...
What is Func, how and when is it used
... use exactly as you would use sqr:
f1(2);
Console.WriteLine(f2(f1(4)));
etc.
Remember though, that it's a delegate, for more advanced info refer to documentation.
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How do I add a simple jQuery script to WordPress?
... // name your script so that you can attach other scripts and de-register, etc.
get_template_directory_uri() . '/js/your-script.js', // this is the location of your script file
array('jquery') // this array lists the scripts upon which your script depends
);
}
Assuming that you...
Reverse a string in Python
...ario:
Developer wants to transform a string
Transformation is to reverse order of all the characters
Solution
example01 produces the desired result, using extended slice notation.
Pitfalls
Developer might expect something like string.reverse()
The native idiomatic (aka "pythonic")...
How can I view array structure in JavaScript with alert()?
...> \"" + value + "\"\n";
}
}
} else { //Stings/Chars/Numbers etc.
dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
}
return dumped_text;
}
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HTML 5 tag vs Flash video. What are the pros and cons?
...rlier, and other downlevel clients (like older versions of FF/Safari/Opera/etc), just put your standard video embed code inside the <video> tag, below the <source> elements. If the browser supports <video>, it'll ignore the embed. If it doesn't, it'll ignore the <video> and...