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open() in Python does not create a file if it doesn't exist
What is the best way to open a file as read/write if it exists, or if it does not, then create it and open it as read/write? From what I read, file = open('myfile.dat', 'rw') should do this, right?
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What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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What is the difference between DAO and Repository patterns?
What is the difference between Data Access Objects (DAO) and Repository patterns? I am developing an application using Enterprise Java Beans (EJB3), Hibernate ORM as infrastructure, and Domain-Driven Design (DDD) and Test-Driven Development (TDD) as design techniques.
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What is the best java image processing library/approach? [closed]
...hich boasts to be the
world's fastest pure Java image
processing program
It can be used as a library in another application. It's architecture is not brilliant, but it does basic image processing tasks.
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
Are there any editors that can edit multi-gigabyte text files, perhaps by only loading small portions into memory at once? It doesn't seem like Vim can handle it =(
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Are PDO prepared statements sufficient to prevent SQL injection?
... adapting this answer to talk about PDO...
The long answer isn't so easy. It's based off an attack demonstrated here.
The Attack
So, let's start off by showing the attack...
$pdo->query('SET NAMES gbk');
$var = "\xbf\x27 OR 1=1 /*";
$query = 'SELECT * FROM test WHERE name = ? LIMIT 1';
$stmt ...
Create or write/append in text file
I have a website that every time a user logs in or logs out I save it to a text file.
7 Answers
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Is passing 'this' in a method call accepted practice in java
Is it good/bad/acceptable practice to pass the current object in a method call. As in:
10 Answers
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Can you target with css?
Is it possible to target the line-break <br/> tag with CSS?
14 Answers
14
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Is it a good practice to place C++ definitions in header files?
My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...