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How to create nonexistent subdirectories recursively using Bash?
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edited Jun 20 at 9:12
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answered Nov 13 '09 at 20:42
bmarguliesbmargulie...
How to get the original value of an attribute in Rails
...ails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name va...
What tools to automatically inline CSS style to create email HTML code? [closed]
When you take a look at http://www.campaignmonitor.com/css/ you learn that you need to embed inline styles in your HTML, in order for your email to be read in any mail client.
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Add a background image to shape in XML Android
...encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape android:shape="rectangle" android:padding="10dp">
<corners
android:bottomRightRadius="5dp"
android:bottomLeftRad...
What is a good regular expression to match a URL? [duplicate]
...}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regexr.com?37i6s, or for a version which is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?...
How should I validate an e-mail address?
...g an e-mail address (e.g. from a user input field) in Android? org.apache.commons.validator.routines.EmailValidator doesn't seem to be available. Are there any other libraries doing this which are included in Android already or would I have to use RegExp?
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How can I determine whether a Java class is abstract by reflection
... Modifier.isAbstract( someClass.getModifiers() );
Also:
http://java.sun.com/javase/6/docs/api/java/lang/reflect/Modifier.html
http://java.sun.com/javase/6/docs/api/java/lang/Class.html#getModifiers()
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How do I install an old version of Django on virtualenv?
...o longer works. at least not for easy_install - it leads to djangoproject.com/m/bad-installer.txt (and pip seems to be broken for python2.4 which is what i am using in virtualenv). yeah, it would be better if people used new versions, but some of us have to maintain old code...
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What ports does RabbitMQ use?
...t does look like the management port has changed to 15672 in 3.x: rabbitmq.com/management.html#configuration
– Greg M. Krsak
Mar 12 '13 at 13:29
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