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Exploring Docker container's file system
...exec that behave similar to nsenter. This command can run new process in already running container (container must have PID 1 process running already). You can run /bin/bash to explore container state:
docker exec -t -i mycontainer /bin/bash
see Docker command line documentation
Alternate method...
Quickly create a large file on a Linux system
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Is it possible that dd is internally using that already? If I do 'dd if=/dev/zero of=zerofile bs=1G count=1' on a 3.0.0 kernel, the write finishes in 2 seconds, with a write data rate of over 500 megabytes per second. That's clearly impossible on a 2.5" laptop harddrive.
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What's the best way to detect a 'touch screen' device using JavaScript?
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Update: Please read blmstr's answer below before pulling a whole feature detection library into your project. Detecting actual touch support is more complex, and Modernizr only covers a basic use case.
Modernizr is a great, lightweight way...
Update one MySQL table with values from another
...x for joins rather than multiple 'WHERE' conditions, I think its easier to read
As for running slow, how large are the tables? You should have indexes on tobeupdated.value and original.value
EDIT:
we can also simplify the query
UPDATE tobeupdated
INNER JOIN original USING (value)
SET tobeupdated...
Send POST request using NSURLSession
Update: Solution found. You can read it at the end of the post.
7 Answers
7
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How do I format a Microsoft JSON date?
...ways without 'eval'. Crockford says that 'eval Is Evil' because it is less readable and is less secure, furthermore he may further imply that it is less efficient and more dangerous because it hits the javascript compiler.
– Mark Rogers
Feb 25 '10 at 15:43
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Change date format in a Java string
...n
Update: as per your failed attempt: the patterns are case sensitive. Read the java.text.SimpleDateFormat javadoc what the individual parts stands for. So stands for example M for months and m for minutes. Also, years exist of four digits yyyy, not five yyyyy. Look closer at the code snippets I...
How to horizontally center a
...flex-wrap: wrap;
justify-content: center;
align-items: center;
}
Read more about centering the child elements
Link 2
Link 3
Link 4
And this explains why the box model is the best approach:
Why is the W3C box model considered better?
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jQuery $(document).ready and UpdatePanels?
...ments that are inside an UpdatePanel. The events are bound in $(document).ready . For example:
19 Answers
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Representing null in JSON
... I'm a follower of Hal Abelson's "Programs must be written for people to read, and only incidentally for machines to execute". I'd prefer the word 'null', confirming the programmer's intention, and not just a question of accidental omission.
– Scott Smith
May...