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Understanding Python super() with __init__() methods [duplicate]
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>>> Square('a', 10, 10)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 3, in __init__
TypeError: __init__() missing 2 required positional arguments: 'width' and 'height'
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Abort makefile if variable not set
How could I abort a make/makefile execution based on a makefile's variable not being set/valued?
5 Answers
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Abstract class in Java
...plementedMethod() { System.out.print("Overridden!"); }
}
// In a separate file.
public class SecondImplementingClass extends AbstractClass
{
public void abstractMethod() { System.out.print("second abstractMethod()"); }
}
Now somewhere you could write another method.
public tryItOut()
{
I...
Android ListView with different layouts for each row
...is up again, but you would actually recommend having a single large layout file and control visibility of parts of it, instead of have separate layout files, which get inflated respectively using getItemViewType?
– Makibo
May 9 '13 at 3:08
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Can I run javascript before the whole page is loaded?
...TML parsing is done. (If your module code is inline rather than in its own file, it is also deferred until HTML parsing is complete.)
This wasn't available when I first wrote this answer in 2010, but here in 2020, all major modern browsers support modules natively, and if you need to support older ...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
... evaluate and not pay anything.
Persistence of data is offered via saving files to DropBox (pre-installed, you just need login/configure), etc. There is no concept of AMIs, EBS, or some VM image. Their service is actually like a shared website hosting solution, where users timeshare a Mac machine (...
Why does the MongoDB Java driver use a random number generator in a conditional?
... removed this piece of code, and just logged these
messages to a different file, so they were all present, but not clobbering the general logfile.
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How can you program if you're blind?
...pad or visual studio on windows for all the coding and then samba to share files with the linux environment.
Also used borland C for some experimental stuff. Have recently been playing around with python, which as other people have noted above is particularly unfriendly for a blind user because it i...
How can I parse a CSV string with JavaScript, which contains comma in data?
...ouble quote with double quote. The solution below works correctly with CSV files d/l from google spreadsheets.
UPDATE (3/2017)
Parsing single line would be wrong. According to RFC 4180 fields may contain CRLF which will cause any line reader to break the CSV file. Here is an updated version that p...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
SHFileOperation函数总结（文件夹的移动、复制、删除）函数原型：SHFileOperation函数功能描述:文件操作，与 Shell 的动作相同。函数原型：#include<shellapi.h>WINSHELLAPI int WINAPI SHF...
SHFileOperation
函数功能描述:文件操作，与 Shell 的动作相...