大约有 40,000 项符合查询结果（耗时：0.0817秒） [XML]
What is simplest way to read a file into String? [duplicate]
...ve one actual token, which is the entire file, so it can be read with one call to next().
There is a constructor that takes a File and a String charSetName (among many other overloads). These two constructor may throw FileNotFoundException, but like all Scanner methods, no IOException can be thrown...
Python argparse: default value or specified value
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import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--example', nargs='?', const=1, type=int)
args = parser.parse_args()
print(args)
% test.py
Namespace(example=None)
% test.py --example
Namespace(example=1)
% test.py --example 2
Namespace(example=2)
nargs...
How do I add a path to PYTHONPATH in virtualenv
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You can usually avoid having to do anything with PYTHONPATH by using .pth files. Just put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute p...
Entity Framework: table without primary key
... Changing the code to satisfy EF is a workaround in itself. Not all tables need a primary key nor they should be forced to. E.g. you've a Topic and it has 0 or many keywords. The keywords table can have a parent topic id and a corresponding keyword. TO say that I need to remodel my DB bec...
Why should I use version control? [closed]
...re "advanced" features like branching and merging let you have multiple parallel lines of development. You can work in two simultaneous features without interference and switch back and forth without much hassle.
You can see "what changed". This may sound basic, but that's something I find myself ch...
Function to Calculate Median in SQL Server
...that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate medians. SQL Server releases have also improved its query optimizer which may affect perf of various median solutions. Net-net, my original 2009 ...
How to set a timer in android
...pplication has acquired a wakeLock and hence you are sure that the phone shall not go into the sleep state. If phone does go to the sleep state then sendMessageDelayed as well as sendMessageAtTime will not work. Hence in that scenario AlarmManager would be reliable choice.
– cr...
Can you create nested WITH clauses for Common Table Expressions?
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Essentially the post means, that you can't do it, but it is not a big problem.
– peterh - Reinstate Monica
May 30 '17 at 14:40
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Get current time in milliseconds in Python?
...illis = int(round(time.time() * 1000))
print millis
Quick'n'easy. Thanks all, sorry for the brain fart.
For reuse:
import time
current_milli_time = lambda: int(round(time.time() * 1000))
Then:
>>> current_milli_time()
1378761833768
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How to “grep” for a filename instead of the contents of a file?
...ts of the file). I will run this from the system's root directory, to find all those files that match the regular expression.
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