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SELECT INTO Variable in MySQL DECLARE causes syntax error?
I´d like to SELECT a single value into a variable. I´d tried to following:
11 Answers
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Devise - How do I forbid certain users from signing in?
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Do it like this:
Create a column called is_active for the User model.
Then add the code below to the User model:
class User < ActiveRecord::Base
#this method is called by devise to check for "active" state of the model
def ...
How to capitalize the first letter of a String in Java?
I am using Java to get a String input from the user. I am trying to make the first letter of this input capitalized.
55 ...
'transform3d' not working with position: fixed children
...ue other than none for the transform results in the creation of both a stacking context and a containing block. The object acts as a containing block for fixed positioned descendants.
This means that fixed positioning becomes fixed to the transformed element, rather than the viewport.
There's n...
break out of if and foreach
...ach loop and an if statement. If a match is found i need to ultimately break out of the foreach.
4 Answers
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How to write to a JSON file in the correct format
...quire the JSON library, and use to_json.
require 'json'
tempHash = {
"key_a" => "val_a",
"key_b" => "val_b"
}
File.open("public/temp.json","w") do |f|
f.write(tempHash.to_json)
end
Your temp.json file now looks like:
{"key_a":"val_a","key_b":"val_b"}
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How do you use gcc to generate assembly code in Intel syntax?
...est.c
Untested, but I found it in this forum where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selected dialect. Supported choices
are intel or att (the default one). Da...
Difference between @OneToMany and @ElementCollection?
...een using a @OneToMany and @ElementCollection annotation since both work on the one-to-many relationship?
6 Answers
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How to check if a process is running via a batch script
How can I check if an application is running from a batch (well cmd) file?
18 Answers
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How to open emacs inside bash
...opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
8 Answers
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