大约有 31,500 项符合查询结果（耗时：0.0459秒） [XML]
View the Task's activity stack
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is there a nice way to show all of the tasks&activities stack of the current app via logcat? do we really need to parse the adb command ?
– android developer
Feb 13 '12 at 6:36
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What is Express.js?
...deling) to provide a backend for your Node.js application. Express.js basically helps you manage everything, from routes, to handling requests and views.
Redis is a key/value store -- commonly used for sessions and caching in Node.js applications. You can do a lot more with it, but that's what I'm ...
Extracting text from HTML file using Python
...'d like to extract the text from an HTML file using Python. I want essentially the same output I would get if I copied the text from a browser and pasted it into notepad.
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Why can't Python find shared objects that are in directories in sys.path?
...le LD_LIBRARY_PATH works on many
Unix-like systems, it doesn't work on
all; for example, this functionality
is available on HP-UX but as the
environment variable SHLIB_PATH, and
on AIX this functionality is through
the variable LIBPATH (with the same
syntax, a colon-separated list).
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How do I find files that do not contain a given string pattern?
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Take a look at ack. It does the .svn exclusion for you automatically, gives you Perl regular expressions, and is a simple download of a single Perl program.
The equivalent of what you're looking for should be, in ack:
ack -L foo
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rreplace - How to replace the last occurrence of an expression in a string?
...than Alex's solution and four times faster than Mark's solution. Thanks to all for your answers!
– Barthelemy
Mar 31 '10 at 20:44
2
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Submit HTML form on self page
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In 2013, with all the HTML5 stuff, you can just omit the 'action' attribute to self-submit a form
<form>
Actually, the Form Submission subsection of the current HTML5 draft does not allow action="" (empty attribute). It is against...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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add_column :status, :string, :default => "P"
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OR
You can use a callback, before_save
class Task < ActiveRecord::Base
before_save :default_values
def default_values
self.status ||= 'P' # note self.status = 'P' if self.status.nil? might be safer (per @frontendbeauty)
end
end
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What's “requestCode” used for on PendingIntent?
... the documentation doesn't say anything about it? Is it possible to remove all alarms of a certain type, no matter what is the requestCode?
– android developer
Feb 3 '14 at 12:36
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To Workflow or Not to Workflow?
... match, so no problems there.
Regarding your concerns you are right. Basically WF4 is a new product and is lacking some important features and has some rough edges. There is a learning curve, you do have to do some things differently. The main point is long running and serialization, which is somet...