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3answers
81 views

Are file-scope `static` variables in C as bad as `extern` global variables?

In C, you'd often/sometimes (as a matter of style) use a file-scope static variable where you'd use a private class member variable in C++. When scaling to multithreaded programs, simply adding ...
2
votes
1answer
41 views

Module level logger function

I've recently been assigned to a new project because I'm one of the only developers at my company who has used Python extensively in the past. My first task was to clean up the code base and make it ...
1
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1answer
134 views

How to avoid tying these two methods together with global mutable state?

I'm in the process of reading Code Complete 2 and learned that using global state is a no-no. What can I do to avoid using global state in this situation? Some background information: I have two ...
8
votes
1answer
195 views

Why create a Global-ish Object.create function?

I'm a fairly experienced programmer in the .NET and Java realms, and I've started reading up on JavaScript. I bought Douglas Crockford's "The Good Parts" book, and I'm immediately put off by a few ...
4
votes
1answer
311 views

Using macros to protect assignment to global variables

Because there is no language feature in C to protect assignment to global variables would you recommend doing something like this? Take this example: We have a module with the header file called ...
3
votes
2answers
601 views

Early destruction of objects in c++

I am not sure if this is the right forum of this question, but I will try here since this question about the c++ language. The problem: I use one global variable in my code which is a graphics ...
0
votes
3answers
167 views

Various methods manipulating same member variable versus each takes inputs and provides output [closed]

As software design paradigm which is better? to let various methods manipulate a member variable, or define each method or function to take some inputs and provide some outputs? For example class ...
0
votes
1answer
209 views

How can I avoid the “global $dbh” anti-pattern?

This is what most of my database-related library code looks like: lib.php <?php $dbh = new PDO(...); function doSomeDatabaseThing() { global $dbh; return $dbh->doStuff(); } function ...
3
votes
3answers
444 views

Separating Code into Smaller Files in C

I am in the process of cleaning up my code and making it easier to maintain. I am doing this by turning my 5000+ line file into separate smaller files. I have successfully created separate source and ...
3
votes
1answer
426 views

How to avoid global state without large function signatures?

So, there are some good answers to this question, namely: Why is Global State so Evil? I have a specific question about the alternatives Mikera proposed as the answer with the second most up-votes. ...
1
vote
1answer
127 views

Doesn't an event bus affect global state?

"Minimize mutable global state" is a more or less accepted program design principle. The reason often cited is that having global state can affect two components that don't are seemingly unrelated. In ...
3
votes
1answer
345 views

Where to keep global variables in Windows Forms App

I have here a Vb.Net employee management application. It has employees, managers, teams, trainings and so on. The way the application is set up now, data is read from the database in the startup form ...
1
vote
3answers
445 views

Setting global parameters: is this a reasonable use of const_cast and volatile?

I have a program that I run repeatedly with various parameter sets. Different parameters are used in different parts of the program (including different source files). The same parameter may also be ...
1
vote
1answer
2k views

Storing session in a static variable?

I'm currently checking a older piece of C# code used to maintain a login session. public static ZRWebserviceSession CurrentSession { get { return _currSession; } set { _currSession = value; } } ...
1
vote
1answer
2k views

Global variables in javascript

I don't consider myself a highly skilled javascript developer, but I thought I got one thing right for sure: don't create global variables unless you really have to. I've been learning angularjs ...
1
vote
2answers
129 views

Dependency injection for request variables in a web application

I'm working a PHP 5.5/MySQL web application. If a class depends partly on some global GET and POST variables for its members, should I just refer to them directly from within the class, or should I ...
0
votes
0answers
326 views

Use a global variable, a singleton, or something else

Preface: I am working in PHP (Abandon hope all ye who enter here). Background: There exists a large set of global functions in PHP, a number of which are miscellaneous system calls, like sleep (and ...
3
votes
2answers
180 views

messaging class and global state

This is a front end project that is using socket.io for all communication with the server. This allows for push which is good, but recently we have been asked to provide a pause button. The pause ...
2
votes
1answer
111 views

Is using a global to maintain the currently logged in user bad practice?

I'm doing some android development in a relatively inexperienced group, and all of the data used by our application is managed in a database. There are several instances where we'll need to pull info ...
1
vote
2answers
182 views

In Ruby, change global in thread safe block

In Ruby, I have a use case for a few common configuration options, e.g. NOOP, TRACE, SILENT. Right now I am using local vars instead of globals and passing them around all over the place and it's a ...
2
votes
2answers
177 views

Replacing static classes with global state to a series of POJOs, beginning to feel like an anti-pattern

I'm trying to refactor some code, and one of the major changes is to remove the (ab)use of static classes to give global state. I've tried to split up some of the 'global state' functionality with ...
2
votes
4answers
550 views

How to provide a ubiquitous object without including it in every parameter list

I'm writing a small C++ class, Block, to transform serialized data into a memory structure, and supply the structured data to callers through several accessor methods. I've tried to keep its scope ...
1
vote
1answer
535 views

Strategies for removing register_globals from a file

I have a file (or rather, a list of about 100 files) in my website's repository that is still requiring the use of register_globals and other nastiness (like custom error reporting, etc) because the ...