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How come an array's address is equal to its value in C?
In the following bit of code, pointer values and pointer addresses differ as expected.
6 Answers
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Make .gitignore ignore everything except a few files
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An optional prefix ! which negates the pattern; any matching file excluded by
a previous pattern will become included again. If a negated pattern matches,
this will override lower precedence patterns sources.
# Ignore everything
*
# But not these files...
!.gitignore
!script...
How can I open multiple files using “with open” in Python?
...a couple of files at one time, iff I can write to all of them. I'm wondering if I somehow can combine the multiple open calls with the with statement:
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Is Disney's FastPass Valid and/or Useful Queue Theory
...ey World, they use a system called Fastpass to create a second, shorter line for popular rides. The idea is that you can wait in the standard line, often with a wait longer than an hour, or you can get a FastPass which allows you to come back during a specified time block (usually a couple hours ...
Named Branches vs Multiple Repositories
We're currently using subversion on a relatively large codebase. Each release gets its own branch, and fixes are performed against the trunk and migrated into release branches using svnmerge.py
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Iterate over a Javascript associative array in sorted order
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You cannot iterate over them directly, but you can find all the keys and then just sort them.
var a = new Array();
a['b'] = 1;
a['z'] = 1;
a['a'] = 1;
function keys(obj)
{
var keys = [];
for(var key in obj)
{
if(obj.hasOwnProperty(key))
{
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What is declarative programming? [closed]
I keep hearing this term tossed around in several different contexts. What is it?
18 Answers
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Is there a method that calculates a factorial in Java?
I didn't find it, yet. Did I miss something?
I know a factorial method is a common example program for beginners. But wouldn't it be useful to have a standard implementation for this one to reuse?
I could use such a method with standard types (Eg. int, long...) and with BigInteger / BigDecimal, too...
What is a semaphore?
A semaphore is a programming concept that is frequently used to solve multi-threading problems. My question to the community:
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Removing duplicate rows from table in Oracle
I'm testing something in Oracle and populated a table with some sample data, but in the process I accidentally loaded duplicate records, so now I can't create a primary key using some of the columns.
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