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Using global variables between files?
I'm bit confused about how the global variables work. I have a large project, with around 50 files, and I need to define global variables for all those files.
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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How do I check if a column is empty or null in MySQL?
...follow
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edited Mar 13 '14 at 22:36
answered Dec 12 '11 at 6:54
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jQuery Event Keypress: Which key was pressed?
With jQuery, how do I find out which key was pressed when I bind to the keypress event?
24 Answers
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Limit results in jQuery UI Autocomplete
...mentation for the jQueryUI widget. There isn't a built-in parameter for limiting max results, but you can accomplish it easily:
$("#auto").autocomplete({
source: function(request, response) {
var results = $.ui.autocomplete.filter(myarray, request.term);
response(results.slice(...
How can I rename a database column in a Ruby on Rails migration?
...FixColumnName
# creates db/migrate/xxxxxxxxxx_fix_column_name.rb
Then edit the migration to do your will:
# db/migrate/xxxxxxxxxx_fix_column_name.rb
class FixColumnName < ActiveRecord::Migration
def self.up
rename_column :table_name, :old_column, :new_column
end
def self.down
#...
Viewing unpushed Git commits
How can I view any local commits I've made, that haven't yet been pushed to the remote repository? Occasionally, git status will print out that my branch is X commits ahead of origin/master , but not always.
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Run git pull over all subdirectories [duplicate]
How can I update multiple git repositories from their shared parent's directory without cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules):
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How do I expand a tuple into variadic template function's arguments?
Consider the case of a templated function with variadic template arguments:
13 Answers
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jQuery: $().click(fn) vs. $().bind('click',fn);
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For what it's worth, from the jQuery source:
jQuery.each( ("blur,focus,load,resize,scroll,unload,click,dblclick," +
"mousedown,mouseup,mousemove,mouseover,mouseout,mouseenter,mouseleave," +
"change,select,submit,keydown,keypr...