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Timertask or Handler
Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view.
3 Answer...
Rails mapping array of hashes onto single hash
...an array sort of like sticking a method call between each element of it.
For example [1, 2, 3].reduce(0, :+) is like saying 0 + 1 + 2 + 3 and gives 6.
In our case we do something similar, but with the merge function, which merges two hashes.
[{:a => 1}, {:b => 2}, {:c => 3}].reduce({}, ...
How to specify Composer install path?
...ing this configuration, you will get the path (which is of course not good for symfony):
plugins/sfGuardPlugin/sfGuardPlugin-4.0.2/
I found a workaround with this composer.json:
{
"config": {
"vendor-dir": "plugins"
},
"repositories": [
{
"type": "packa...
How to enable C++11 in Qt Creator?
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@nurettin Thanks for the feedback. If you examine carefully the edit histories of the answers (mine and the others), you will see that my original answer was not a duplicate; it was actually the other answer that shamelessly stole part of my ...
Rails “validates_uniqueness_of” Case Sensitivity
...me thing and gets the same response
Process A submits the insert statement for the new record and succeeds
If you have a database constraint requiring uniqueness for that field, Process B will submit the insert statement for the new record and fail with a ugly server exception that comes back from t...
Xcode 4 and Core Data: How to enable SQL Debugging
...There is some info in this blog post about how to enable raw SQL logging for iOS Core Data development. The given example is for Xcode 3 and it's just not clear to me how to enable this in Xcode 4.
...
What is the difference between Culture and UICulture?
Could someone give me a bit more information on the difference between Culture and UICulture within the .NET framework? What they do and when to use what?
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How do I convert an array object to a string in PowerShell?
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For the un-initiated (like me) $ofs is documented here
– Liam
Oct 4 '16 at 16:27
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What is eager loading?
...eager loading: this is where you try and anticipate what the user will ask for and preload it.
I hope that makes sense in the context you're seeing it.
Let me give you a "Webby" example.
Imagine a page with rollover images like for menu items or navigation. There are three ways the image loading...
How to do a LIKE query in Arel and Rails?
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This is how you perform a like query in arel:
users = User.arel_table
User.where(users[:name].matches("%#{user_name}%"))
PS:
users = User.arel_table
query_string = "%#{params[query]}%"
param_matches_string = ->(param){
users[param].m...