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Is it possible to start a shell session in a running container (without ssh)
... Max L., your use case can be resolved with data volumes. Not tested example: 1) run container with nginx logs in data volume: docker run -v /var/log/nginx -name somename imagename command; 2) run another container to view the data volume content: docker run -volumes-from somename -i -t...
MySQL offset infinite rows
...le LIMIT ? OFFSET ?';
EXECUTE statement USING @rows, @my_offset;
COMMIT;
Tested in MySQL 5.5.44. Thus, we can avoid the insertion of the number 18446744073709551615.
note: the transaction makes sure that the variable @rows is in agreement to the table considered in the execution of statement.
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Can I have multiple background images using CSS?
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Multiple backgrounds are supported by the latest versions of Firefox, Chrome, Safari and Opera. It will be supported in IE9, too. en.wikipedia.org/wiki/…
– Šime Vidas
Oct 30 '10 at 23:44
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MD5 algorithm in Objective-C
...save this little snippet...
These methods are verified using the NIST MD5 test vectors in
http://www.nsrl.nist.gov/testdata/
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Are there any Java method ordering conventions? [closed]
...onSkeet in a few cases, where ordering conventions are no longer relevant, test classes for example. Not to write bad code is better advise than how to arrange bad code.
– Ben
May 4 '18 at 10:44
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FirstOrDefault: Default value other than null
...p6 = list.FirstOrDefault()?.Bar;
}
For C# 6.0 or later:
Use ?. or ?[ to test if is null before perform a member access Null-conditional Operators documentation
Example:
var barCSharp6 = list.FirstOrDefault()?.Bar;
C# older version:
Use DefaultIfEmpty() to retrieve a default value if the sequen...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...链接
扩展文件：
com.gordonlu.daffymenu.aix
demo:
Test.aia
功能概述
扩展特性
弹出式菜单：为任何组件添加右键菜单功能
自定义选项：支持添加多个菜单项
事件响应：处理菜单项...
Scala: write string to file in one statement
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@Kakaji, could you please elaborate? I've just tested it with strings with newlines, and it works perfectly. It just cannot filter anything - Files.write() writes the byte array as a blob, without analyzing its contents. After all, in some binary data 0x0d byte may have i...
Android: ProgressDialog.show() crashes with getApplicationContext
...'s definitely weird and it's a total hack, but it worked for me. I need to test the bug I was having in 1.6 to see if I can STOP using this.
– Jeremy Logan
Oct 16 '09 at 23:53
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What's the best way to determine the location of the current PowerShell script?
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Just tested $PSScriptRoot and working as expected. However, it would give you an empty string if you run it at command line. It would only give you result if used in a script and script is executed. That's what it is meant for ......