大约有 40,000 项符合查询结果（耗时：0.0508秒） [XML]
Inheriting class methods from modules / mixins in Ruby
...
A common idiom is to use included hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
...
How do I modify a MySQL column to allow NULL?
...
add a comment
|
263
...
Log4Net, how to add a custom field to my logging
...
1) Modify the command text: INSERT INTO Log4Net ([Date],[Thread],[Level],[Logger],[Message],[Exception],[MyColumn]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception, @CustomColumn)
2) Add the parameter definition for ...
What is the smallest possible valid PDF?
...rtxref
149
%EOF
which is 291 bytes of PDF joy. Acrobat opens it, but it complains somewhat. There is one page in it and it is 3/72" square, the minimum allowed by the spec.
However, Acrobat X doesn't even bother with the cross reference table anymore, so we can take that out:
%PDF-1.0
1 0 obj...
Animate the transition between fragments
...tor/fade_in.xml:
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:interpolator/accelerate_quad"
android:valueFrom="0"
android:valueTo="1"
android:propertyName="alpha"
android:duration="@android:integer/config_mediumAnim...
How to start working with GTest and CMake
I have recently been sold on using CMake for compiling my C++ projects, and would now like to start writing some unit tests for my code. I have decided to use the Google Test utility to help with this, but require some help in getting started.
...
How to delete all records from table in sqlite with Android?
...
Use Vacuum after delete command.. db.execSQL("vacuum"); this will clear all allocated spaces..
– Ramesh_D
May 29 '14 at 9:43
6
...
How do I add 24 hours to a unix timestamp in php?
...
add a comment
|
87
...
Prevent RequireJS from Caching Required Scripts
...te()).getTime(). It more beauty, not create object and a bit faster jsperf.com/speedcomparison.
– Vlad Tsepelev
Jul 24 '13 at 12:54
2
...
Any reason why scala does not explicitly support dependent types?
...
Syntactic convenience aside, the combination of singleton types, path-dependent types and implicit values means that Scala has surprisingly good support for dependent typing, as I've tried to demonstrate in shapeless.
Scala's intrinsic support for dependent...