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Iterate through the fields of a struct in Go
...g Field(i) you can get a
interface value from it by calling Interface(). Said interface value then represents the
value of the field.
There is no function to convert the value of the field to a concrete type as there are,
as you may know, no generics in go. Thus, there is no function with the sign...
Rails 4: List of available datatypes
...SQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
...
javascript node.js next()
...le you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (user) {
req.currentUser = user;
return next();
} else {
res.redirect('/sessions/new');
}
});
} else {
res.r...
json.dumps vs flask.jsonify
...sonify() handles lists now. See this commit.
– Jeff Widman
Jan 25 '16 at 19:14
3
But it still doe...
Error while pull from git - insufficient permission for adding an object to repository database .git
...
Assuming @ChrisHayes is right about an accidental sudo, this should fix it. From inside your repository:
sudo chown -R $USER:$USER "$(git rev-parse --show-toplevel)/.git"
Update: for those of you getting the illegal group name error, try this instead:
sudo chown ...
How to trigger HTML button when you press Enter in textbox?
...
$(document).ready(function(){
$('#TextBoxId').keypress(function(e){
if(e.keyCode==13)
$('#linkadd').click();
});
});
share
|
improve this answer
...
runOnUiThread in fragment
...
In Xamarin.Android
For Fragment:
this.Activity.RunOnUiThread(() => { yourtextbox.Text="Hello"; });
For Activity:
RunOnUiThread(() => { yourtextbox.Text="Hello"; });
Happy coding :-)
...
How do I drop table variables in SQL-Server? Should I even do this?
...nd of patch or scope, it's dropped automatically only if it was created inside stored procedure and stored procedure finished executing
– Abou-Emish
Oct 18 '17 at 18:52
add a ...
Creating an Android trial application that expires after a fixed time period
I have an application which I want to hit the market as a Paid app. I would like to have other version which would be a "trial" version with a time limit of say, 5 days?
...
How to list all methods for an object in Ruby?
...loadable?", "update", "reset_sequence_name", "default_timezone=",
"validate_find_options", "find_on_conditions_without_deprecation",
"validates_size_of", "execute_simple_calculation", "attr_protected",
"reflections", "table_name_prefix", ...
Note that methods is a method for Classes...