大约有 31,100 项符合查询结果（耗时：0.0796秒） [XML]
PostgreSQL - fetch the row which has the Max value for a column
... hash aggregates terminated
-- by one nested index lookup into lives - on my machine
-- the latter query plan was selected given my memory settings and
-- histogram
SELECT
l1.*
FROM
lives AS l1
INNER JOIN (
SELECT
usr_id,
MAX(time_stamp) AS time_stamp_max
FROM
liv...
Quick Sort Vs Merge Sort [duplicate]
...personally wanted to test the difference between Quick sort and merge sort myself and saw the running times for a sample of 1,000,000 elements.
Quick sort was able to do it in 156 milliseconds whereas
Merge sort did the same in 247 milliseconds
The Quick sort data was, however, was random and quic...
How to discard local changes in an SVN checkout?
...e sent containing the patch or multiple patches):
$ git show -p HEAD > my-mighty-patch.patch
To get rid of git meta data, just do rm -rf .git/. If you plan to continue hacking with the original working directory, you could continue using git to manage your local changes. In this case you woul...
Disable scrolling on ``
... to be focused. Alternatively, I just used the text type of inputs and put my number restriction to it (lossing up/down key shortcut but can be added with js as well)
– zeachco
Jul 14 '15 at 2:23
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Tracking Google Analytics Page Views with AngularJS
... client side is done with HTML5 pushstate and I'd like to be able to track my page views in Google Analytics.
21 Answers
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Where does 'Hello world' come from?
...
I should have been more careful with language in my original post about this --
Of course Barlop is right, K&R was published in 1978. A coma was missing in my post. I meant that the BCPL manual with Dr. Kernighan's Hello World code was dated 1972. The memorandum with...
Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
...tderr=PIPE, universal_newlines=True, shell=True)
return result.stdout
my_output = out("echo hello world")
# Or
my_output = out(["echo", "hello world"])
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How to print to stderr in Python?
...
import sys
sys.stderr.write()
Is my choice, just more readable and saying exactly what you intend to do and portable across versions.
Edit: being 'pythonic' is a third thought to me over readability and performance... with these two things in mind, with p...
“Parse Error : There is a problem parsing the package” while installing Android application
...ARDemo.apk (make sure to back up the older version) and see if that helps. My guess is that it has something to do with the name of the apk.
If it still does not work, then you can eliminate the name of the apk file as the source of the problem and start investigating 2) by rebuilding your old vers...
Tool to generate JSON schema from JSON data [closed]
We have this json schema draft . I would like to get a sample of my JSON data and generate a skeleton for the JSON schema, that I can rework manually, adding things like description, required, etc, which can not be infered from the specific examples.
...