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接水果游戏 · App Inventor 2 中文网
...：
代码如下：
对话框事件代码如下：
（事件不是很完整，请大家自行完善）
剩余工作
至此，大概的游戏步骤完成，有一定的可玩性，不过游戏的音效目前没有加上，有兴趣或希望将这个游戏做完美的可以自行加上。
还...
接水果游戏 · App Inventor 2 中文网
...：
代码如下：
对话框事件代码如下：
（事件不是很完整，请大家自行完善）
剩余工作
至此，大概的游戏步骤完成，有一定的可玩性，不过游戏的音效目前没有加上，有兴趣或希望将这个游戏做完美的可以自行加上。
还...
Command to list all files in a folder as well as sub-folders in windows
...s of text from a vanilla command prompt, it can be good to append >list.txt to make it output to a file to be more easily used. So the command would be: dir /s /b /o:gn >list.txt
– SubJunk
Jun 28 '19 at 2:55
...
Bash Templating: How to build configuration files from templates with Bash?
...-e 's/\$\{([^}]+)\}/defined $ENV{$1} ? $ENV{$1} : $&/eg' < template.txt
to replace all ${...} strings with corresponding enviroment variables (do not forget to export them before running this script).
For pure bash this should work (assuming that variables do not contain ${...} strings):
...
What is the difference between a symbolic link and a hard link?
...isualize it:
Here is how we get to that picture:
Create a name myfile.txt in the file system that points to a new inode (which contains the metadata for the file and points to the blocks of data that contain its contents, i.e. the text "Hello, World!":
$ echo 'Hello, World!' > myfile.txt
C...
Merging: Hg/Git vs. SVN
... svn-checkout
mkdir trunk branches
echo 'Goodbye, World!' > trunk/hello.txt
svn add trunk branches
svn commit -m 'Initial import.'
svn copy '^/trunk' '^/branches/rename' -m 'Create branch.'
svn switch '^/trunk' .
echo 'Hello, World!' > hello.txt
svn commit -m 'Update on trunk.'
svn switch '^/b...
python requests file upload
...oad_file is meant to be the file, use:
files = {'upload_file': open('file.txt','rb')}
values = {'DB': 'photcat', 'OUT': 'csv', 'SHORT': 'short'}
r = requests.post(url, files=files, data=values)
and requests will send a multi-part form POST body with the upload_file field set to the contents of t...
Running multiple commands with xargs
...
cat a.txt | xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To ex...
How do I get the result of a command in a variable in windows?
... this:
@ECHO OFF
IF NOT "%1"=="" GOTO ADDV
SET VAR=
FOR /F %%I IN ('DIR *.TXT /B /O:D') DO CALL %0 %%I
SET VAR
GOTO END
:ADDV
SET VAR=%VAR%!%1
:END
All output lines are stored in VAR separated with "!".
@John: is there any practical use for this? I think you should watch PowerShell or any othe...
How to check if a file exists in a folder?
...ty:
DirectoryInfo di = new DirectoryInfo(ProcessingDirectory);
FileInfo[] TXTFiles = di.GetFiles("*.xml");
if (TXTFiles.Length == 0)
{
log.Info("no files present")
}
foreach (var fi in TXTFiles)
log.Info(fi.Exists);
or File.Exists Method:
string curFile = @"c:\temp\test.txt";
Console.Wri...