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I lose my data when the container exits
Despite Docker's Interactive tutorial and faq I lose my data when the container exits.
11 Answers
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“[notice] child pid XXXX exit signal Segmentation fault (11)” in apache error.log [closed]
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Attach gdb to one of the httpd child processes and reload or continue working and wait for a crash and then look at the backtrace. Do something like this:
$ ps -ef|grep httpd
0 681 1 0 10:38pm ?? 0:00.45 /Applications/MAMP/Library/bin/httpd -k start
501...
How to choose the right bean scope?
... represents the scope (the lifetime) of the bean. This is easier to understand if you are familiar with "under the covers" working of a basic servlet web application: How do servlets work? Instantiation, sessions, shared variables and multithreading.
@Request/View/Flow/Session/ApplicationScoped
A @...
Best practices for Storyboard login screen, handling clearing of data upon logout
...controller is a Tab Bar Controller. I'm creating the login/logout process, and it's mostly working fine, but I've got a few issues. I need to know the BEST way to set all this up.
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HTTP Content-Type Header and JSON
...ur own.
The header is there so your app can detect what data was returned and how it should handle it. You need to look at the header, and if it's application/json then parse it as JSON.
This is actually how jQuery works. If you don't tell it what to do with the result, it uses the Content-Type ...
Why is creating a Thread said to be expensive?
...a fair bit of work involved:
A large block of memory has to be allocated and initialized for the thread stack.
System calls need to be made to create / register the native thread with the host OS.
Descriptors need to be created, initialized and added to JVM-internal data structures.
It is also e...
css ellipsis on second line
...ss-overflow-3/#max-lines we can haz this in pure CSS using fragments (new) and max-lines (new). Also some more info on http://css-tricks.com/line-clampin/
EDIT 2 WebKit/Blink has line-clamp: -webkit-line-clamp: 2 will put ellipsis on 2nd line.
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How to call a Python function from Node.js
...all you have to do is make sure that you import sys in your python script, and then you can access arg1 using sys.argv[1], arg2 using sys.argv[2], and so on.
To send data back to node just do the following in the python script:
print(dataToSendBack)
sys.stdout.flush()
And then node can liste...
Illegal pattern character 'T' when parsing a date string to java.util.Date
I have a date string and I want to parse it to normal date use the java Date API,the following is my code:
3 Answers
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Django CharField vs TextField
What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...