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Default constructor with empty brackets
... reason that an empty set of round brackets (parentheses) isn't valid for calling the default constructor in C++?
9 Answers...
What is the proper way to check for null values?
...ast because I think it's likely to surface errors faster. It also avoids calling ToString() on a string object.
– tvanfosson
Mar 20 '12 at 19:17
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How do I make a redirect in PHP?
...FC 7231 which had replaced the old RFC 2616, where only absolute URLs were allowed.
Status Codes
PHP's "Location"-header still uses the HTTP 302-redirect code, this is a "temporary" redirect and may not be the one you should use. You should consider either 301 (permanent redirect) or 303 (other).
No...
Making a property deserialize but not serialize with json.net
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There are actually several fairly simple approaches you can use to achieve the result you want.
Let's assume, for example, that you have your classes currently defined like this:
class Config
{
public Fizz ObsoleteSetting { get; set;...
Using Emacs as an IDE
...ty expert Emacs users out there, and I am curious what other Emacs functionally is useful if the intention is to use it as a complete IDE. Specifically, most IDEs usually fulfill these functions is some form or another:
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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One can also use a spec_helper.rb file in all projects. The file should include the following:
RSpec.configure do |config|
# Use color in STDOUT
config.color = true
# Use color not only in STDOUT but also in pagers and files
config.tty = true
# Use the s...
Starting Eclipse w/ Specific Workspace
... workspace while doing C:\Eclipse\eclipse.exe -data "E:\Eclipse Projects2" allowed it to use the existing workspace. I'm guessing this varies based on OS and/or Eclipse version, but I'm not sure exactly what factors into this, so just try both ways until you get one to load the correct/existing wor...
Vim 80 column layout concerns
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You can even automatically base the value of 'colorcolumn' on 'textwidth' with something like :set cc=+1
– graywh
Oct 1 '10 at 16:37
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Avoiding SQL injection without parameters
...y. Instead they want to replace single apostrophes with two apostrophes in all strings to avoid sql injections. Our databases are all running Sql Server 2005 or 2008 and our code base is running on .NET framework 2.0.
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Why does Java's hashCode() in String use 31 as a multiplier?
... i == (i << 5) - i. Modern VMs do this sort of optimization automatically.
(from Chapter 3, Item 9: Always override hashcode when you override equals, page 48)
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