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Rails extending ActiveRecord::Base
... # add your static(class) methods here
class_methods do
#E.g: Order.top_ten
def top_ten
limit(10)
end
end
end
# include the extension
ActiveRecord::Base.send(:include, ActiveRecordExtension)
Create a file in the config/initializers directory called extensions.rb an...
Adding local .aar files to Gradle build using “flatDirs” is not working
...R/.AAR) and import your .AAR.
Then in your project build.gradle (not the top level one, the one under 'app') add the following (in the dependencies section):
dependencies {
compile project(':Name-Of-Your-Project')
}
Note Name-Of-Your-Project should match the name of the folder that was adde...
Where am I wrong about my project and these Javascript Frameworks?
...ly digging the aloha editor for WYSIWYG. I would definitely dock it at the top of the screen and add tabs to view the textarea in markup of some format as well. My other main option would be some flavor of markItUp.
– funkyeah
Mar 8 '11 at 22:13
...
乐高机器人®组件 · App Inventor 2 中文网
...oveRangeEventEnabled 超出范围事件启用
指定当光线水平超过TopOfRange时是否应该触发AboveRange事件。
BelowRangeEventEnabled 低于范围事件启用
指定当光线水平低于BottomOfRange时是否应该触发BelowRange事件。
BluetoothClient 蓝牙客户端
指...
HTML anchor link - href and onclick both?
...a function that executes my JavaScript and then sets window.location or top.location to the href location doesn't work for me.
...
Return value in a Bash function
...hich is way too heavy and hacky.
The proper way to do this is to put the top level stuff in a function and use a local with bash's dynamic scoping rule. Example:
func1()
{
ret_val=hi
}
func2()
{
ret_val=bye
}
func3()
{
local ret_val=nothing
echo $ret_val
func1
echo $re...
How to make a div with no content have a width?
... Please note: for padding solution you need to provide both left/right and top/bottom padding for it to work.
– Govind Rai
Feb 2 '17 at 17:43
...
How do I ignore files in a directory in Git?
... pathname relative to the location of the .gitignore file (relative to the toplevel of the work tree if not from a .gitignore file).
Otherwise, git treats the pattern as a shell glob suitable for consumption by fnmatch(3) with the FNM_PATHNAME flag: wildcards in the pattern will not match a / in the...
Remove xticks in a matplotlib plot?
... affected
bottom=False, # ticks along the bottom edge are off
top=False, # ticks along the top edge are off
labelbottom=False) # labels along the bottom edge are off
plt.show()
plt.savefig('plot')
plt.clf()
...
What are the underlying data structures used for Redis?
... to create a capped collection of N items where usually we access just the top or bottom items, or when N is small.
Sets
Sets are an unordered data collection, so they are good every time you have a collection of items and it is very important to check for existence or size of the collection in a ...