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AppInventor2 如何自定义包名？ - App应用开发 - 清泛IT社区，为创新赋能！
AppInventor2 如何自定义包名？
Q: 如何自定义包名？编译后下载的APK的包名一大堆乱七八糟的？
A: 编译菜单，编译参数设置：
Q: 有没什么特殊项命名要求？后面需要加什么.cn，.com之类的字符？
A: 至少要有一个英文...
How can I get a resource “Folder” from inside my jar File?
...e File within the jar file into java memory. Note that the ClassLoader is quite happy to treat a jar file equivalent to a directory on disk. Here's the details from the source:
– Glen Best
Nov 7 '12 at 11:43
...
How do I use a file grep comparison inside a bash if/else statement?
...tus is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid th...
项目管理实践【六】自动同步数据库【Using Visual Studio with Source Cont...
...B.mdf;StartKitDB_log.ldf"/>
</ItemGroup>
<Target Name="ALL">
<!--重启SqlServer服务-->
<ServiceController ServiceName="mssqlserver" Action="Restart" />
<!--分离数据库-->
<Exec Command="OSQL -S . -E -n -Q "EXEC sp_detach_db 'StartKitDB','True'"" IgnoreExitCode="false" />
<!--停止SqlS...
How does HTTP file upload work?
...ntent-Type: multipart/form-data; boundary=----WebKitFormBoundaryePkpFF7tjBAqx29L
------WebKitFormBoundaryePkpFF7tjBAqx29L
Content-Disposition: form-data; name="MAX_FILE_SIZE"
100000
------WebKitFormBoundaryePkpFF7tjBAqx29L
Content-Disposition: form-data; name="uploadedfile"; filename="hello.o"
Con...
Using git commit -a with vim
...de (you get to the normal mode by pressing Esc).
You close your file with :q while in the normal mode.
You can combine both these actions and do Esc:wqEnter to save the commit and quit vim.
As an alternate to the above, you can also press ZZ while in the normal mode, which will save the file and ...
How to select only the records with the highest date in LINQ
...
If you just want the last date for each account, you'd use this:
var q = from n in table
group n by n.AccountId into g
select new {AccountId = g.Key, Date = g.Max(t=>t.Date)};
If you want the whole record:
var q = from n in table
group n by n.AccountId into g
...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
... in the process) you only have one choice left:
attach to the process in question using gdb, and run:
p dup2(open("/dev/null", 0), 1)
p dup2(open("/dev/null", 0), 2)
detach
quit
e.g.:
$ tail -f /var/log/lastlog &
[1] 5636
$ ls -l /proc/5636/fd
total 0
lrwx------ 1 myuser myuser 64 Feb ...
How can I get a count of the total number of digits in a number?
...m afraid ceil(log10(10)) = ceil(1) = 1, and not 2 as it should be for this question!
– ysap
Dec 19 '10 at 18:08
3
...
How can I group data with an Angular filter?
... * player: Steve
* player: Scruath
UPDATE: jsbin Remember the basic requirements to use angular.filter, specifically note you must add it to your module's dependencies:
(1) You can install angular-filter using 4 different methods:
clone & build this repository
via Bower: by ru...