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How can I run an external command asynchronously from Python?
... has the advantage of servicing the early-finishing requests first. If you call communicate on the first running process and that turns out to run the longest, the other running processes will have been sitting there idle when you could have been handling their results.
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Why does Dijkstra's algorithm use decrease-key?
... the total number of heap dequeues is n. Each node will have decrease-key called on it potentially once for each edge leading into it, so the total number of decrease-keys done is at most m. This gives a runtime of (n Te + n Td + m Tk), where Tk is the time required to call decrease-key.
So what ...
Cookie overflow in rails application?
...session'
UPDATE:
If anyone is receiving a null value in column "session_id" violates not-null constraint message in rails 4, there's a workaround in github(not tested). You must to create an initializer with ActiveRecord::SessionStore::Session.attr_accessible :data, :session_id
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Maven is not working in Java 8 when Javadoc tags are incomplete
...heck.
DocLint is a new feature in Java 8, which is summarized as:
Provide a means to detect errors in Javadoc comments early in the
development cycle and in a way that is easily linked back to the
source code.
This is enabled by default, and will run a whole lot of checks before generatin...
Transaction isolation levels relation with locks on table
...st insecure way to work with data since can lead to data holes in not physically related tables (yes, two tables can be logically but not physically related in real-world apps =\).
READ COMMITTED - lock on committed data. You can read the data that was only committed. This means A writes data and B ...
Get content uri from file path in android
...th the above solutions returns: 1. file:///storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 2. /storage/emulated/0/DCIM/Camera/VID_20140312_171146.mp4 But what i was looking for is something different. I need the content:// format URI. The answer from Jinal seems to work perfect
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Python - write() versus writelines() and concatenated strings
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More specifically, writelines expects an iterable. You can use a list, a tuple, or a generator.
– Mark Ransom
Sep 11 '12 at 20:52
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How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
...king on a fairly big Maven project. We have probably around 70 or so individual artifacts, which are roughly split into two libraries of shared code and maybe ten applications which use them. All of these items live in the namespace com.mycompany.* .
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How do I join two lines in vi?
...u join lines as is -- without adding or removing whitespaces:
S<Switch_ID>_F<File type>
_ID<ID number>_T<date+time>_O<Original File name>.DAT
Result:
S<Switch_ID>_F<File type>_ID<ID number>_T<date+time>_O<Original File name>.DAT
With ...
What is the purpose of AsQueryable()?
... it directly. Otherwise, it returns an IQueryable that executes queries by calling the equivalent query operator methods in Enumerable instead of those in Queryable.
Thats is exactly what is mentioned and used in above article.
In your example, it depends on what is orderRepo.GetAll returning, IEn...