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GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
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Add native files from NuGet package to project output directory
...e the following contents (see below for a description):
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<AvailableItemName Include="NativeBinary" />
</ItemGroup>
<I...
What's the difference between == and .equals in Scala?
...
So why new java.lang.Integer(1) == new java.lang.Double(1.0) is true while new java.lang.Integer(1) equals new java.lang.Double(1.0) is false?
– Eastsun
Sep 13 '16 at 1:03
...
Add missing dates to pandas dataframe
...06')])
s = pd.Series([1, 2, 3], dates)
print(s.asfreq('D'))
2012-05-01 1.0
2012-05-02 NaN
2012-05-03 NaN
2012-05-04 2.0
2012-05-05 NaN
2012-05-06 3.0
Freq: D, dtype: float64
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...
Haskell testing workflow
... @EdwardKmett: I saw that the lense package only uses the exitcode-stdio-1.0 test suite interface. The Cabal user guide states, that ``it is preferred that new test suites be written for the detailed-1.0 interface''. Any comments on that?
– copton
Dec 29 '12 ...
How to make rounded percentages add up to 100%
...ython looks like this.
def error_gen(actual, rounded):
divisor = sqrt(1.0 if actual < 1.0 else actual)
return abs(rounded - actual) ** 2 / divisor
def round_to_100(percents):
if not isclose(sum(percents), 100):
raise ValueError
n = len(percents)
rounded = [int(x) for...
How to make an app's background image repeat
...ng black while scrolling.
drawable/app_background.xml:
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/actual_pattern_image"
android:tileMode="repeat" />
values/styles.xml:
<?xml ...
Logback to log different messages to two files
... like this in logback. Here's an example configuration:
<?xml version="1.0"?>
<configuration>
<appender name="FILE" class="ch.qos.logback.core.FileAppender">
<file>logfile.log</file>
<append>true</append>
<encoder>
...
What are Makefile.am and Makefile.in?
...md
README.md
Some doc.
configure.ac
AC_INIT([automake_hello_world], [1.0], [bug-automake@gnu.org])
AM_INIT_AUTOMAKE([-Wall -Werror foreign])
AC_PROG_CC
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_FILES([
Makefile
src/Makefile
])
AC_OUTPUT
src/Makefile.am
bin_PROGRAMS = autotools_hello_world
a...
What's the difference between faking, mocking, and stubbing?
...provided an answer based on Roy Osherove's "The Art of Unit Testing".
In "3.1 Introducing stubs" defines a stub as:
A stub is a controllable replacement for an existing dependency
(or collaborator) in the system. By using a stub, you can test your code without
dealing with the dependency di...