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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...onButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置和图标，支持多按钮
【悬浮按钮】FloatActionBtn 扩展：悬浮操作按钮扩展，可自定义颜色、大小、图标和位置，单按钮，简单易用
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How to manually create icns files using iconutil?
...e OS versions that don't use ICNS files... No love for us who use OS10.6.8 V1.1... it's an even worse 'our way or the highway' for the devs than the users.
– Henrik Erlandsson
Sep 7 '12 at 12:19
...
Get Folder Size from Windows Command Line
...in KB) of intermediate directories.
C:\SysInternals>du -n d:\temp
Du v1.4 - report directory disk usage
Copyright (C) 2005-2011 Mark Russinovich
Sysinternals - www.sysinternals.com
Files: 26
Directories: 14
Size: 28.873.005 bytes
Size on disk: 29.024.256 bytes
While you are ...
git-svn: how do I create a new svn branch via git?
...
as of git v1.6.1, git svn branch is available.
From the git docs:
branch
Create a branch in the SVN repository.
-m, --message
Allows to specify the commit message.
-t, --tag
Crea...
一分钟明白 VS manifest 原理 - C/C++ - 清泛网 - 专注C/C++及内核技术
...windows>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC80.ATL" processorArchitecture="x86" publicKeyToken="1fc8b3b9a1e18e3b"></assemblyIdentity>
<bindingRedirect oldVersion="8.0...
Meaning of 'const' last in a function declaration of a class?
...alues.
void func1(const foobar& fb1, foobar& fb2) {
const char* v1 = fb1.bar(); // won't compile
const char* v2 = fb2.bar(); // works
}
The idea behind const though is to mark methods which will not alter the internal state of the class. This is a powerful concept but is not actuall...
What is the purpose of setting a key in data.table?
...] # no key is set, order of groups preserved in result
However, prior to v1.9.6, joins of the form x[i] required key to be set on x. With the new on= argument from v1.9.6+, this is not true anymore, and setting keys is therefore not an absolute requirement here as well.
## joins using < v1.9....
How to merge 2 JSON objects from 2 files using jq?
...200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v1",
"value2": "v2",
"value3": "v3",
"value4": 4
},
"bbb": {
"value1": "v1",
"value2": "v2",
"value3": "v3"
},
"ccc": {
"value1": "v1",
"value2": "v2"
},
...
Conditional ng-include in angularjs
...
If you are using Angular v1.1.5 or later, you can also use ng-if:
<div ng-if="x" ng-include="'/partial.html'"></div>
If you have any older version:
Use ng-switch:
<div ng-switch on="x">
<div ng-switch-when="true" ng-in...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...yName"
${If} $0 != ""
; MessageBox MB_OK "你已经安装${APPNAME}v1.2.0软件，这个版本太旧需要你手动卸载才能安装${VERSIONLONG}版本软件，按确定退出安装！"
push "已安装老版本的客户端，点击确定升级到最新版。"
Call MyMessageBox1
...