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How do I print out the contents of an object in Rails for easy debugging?
...n't give me what I want, I'll switch to .to_yaml.
class User
attr_accessor :name, :age
end
user = User.new
user.name = "John Smith"
user.age = 30
puts user.inspect
#=> #<User:0x423270c @name="John Smith", @age=30>
puts user.to_yaml
#=> --- !ruby/object:User
#=> age: 30
#=> nam...
How to use Python's pip to download and keep the zipped files for a package?
...
Note that pip download also supports -r requirements.txt so you can easily download them all from an internet-connected machine then copy to an offline machine and install how the above commenters mentioned
– Hawkins
A...
PHP session lost after redirect
...t, carry out these usual checks:
Make sure session_start(); is called before any sessions are being called. So a safe bet would be to put it at the beginning of your page, immediately after the opening <?php declaration before anything else. Also ensure there are no whitespaces/tabs before the ...
Assigning code to a variable
...tion(() => MessageBox.Show("hi"));
Then call it:
ButtonClicked();
For completeness (in regards to the various comments)...
As Erik stated, you could execute multiple lines of code:
var ButtonClicked = new Action(() =>
{
MessageBox.Show("hi");
MessageBox.Show("something else"); ...
Can I incorporate both SignalR and a RESTful API?
...
To get straight to adding SignalR to ASP.NET Web API, forward the video to time 33:35.
– bytefire
Aug 29 '13 at 9:32
...
What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
...that the app would run on iOS 7. But that's what iOS deployment target is for.
3 Answers
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Difference between -pthread and -lpthread while compiling
...piler to link in the pthread library as well as configure the compilation for threads.
For example, the following shows the macros that get defined when the -pthread option gets used on the GCC package installed on my Ubuntu machine:
$ gcc -pthread -E -dM test.c > dm.pthread.txt
$ gcc ...
Are HTTP headers case-sensitive?
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For anyone looking, here is where RFC 7230 explicitly states that field headers should be treated as case insensitive: tools.ietf.org/html/rfc7230#section-3.2
– J Z
Aug 9 '17 at 19:12
...
Manipulate a url string by adding GET parameters
... to URLs that may and may not contain GET parameters without repeating ? or & .
15 Answers
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Python Dictionary Comprehension
Is it possible to create a dictionary comprehension in Python (for the keys)?
8 Answers
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