大约有 30,000 项符合查询结果(耗时:0.0596秒) [XML]

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How do BitTorrent magnet links work?

For the first time I used a magnet link . Curious about how it works, I looked up the specs and didn't find any answers. The wiki says xt means "exact topic" and is followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 char...
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How much faster is Redis than mongoDB?

...rm simply setting/retrieving values: #!/usr/bin/env python2.7 import sys, time from pymongo import Connection import redis # connect to redis & mongodb redis = redis.Redis() mongo = Connection().test collection = mongo['test'] collection.ensure_index('key', unique=True) def mongo_set(data): ...
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SQL Server reports 'Invalid column name', but the column is present and the query works through mana

...sion of the object (that owned by 'dbo'). This is the usual case. The only time a single probe will resolve the name is if the current user owns an object of the specified name and type. [Edited to further note] The other possibilities are (in no particular order): You aren't connected to the d...
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Regex to get string between curly braces

Unfortunately, despite having tried to learn regex at least one time a year for as many years as I can remember, I always forget as I use them so infrequently. This year my new year's resolution is to not try and learn regex again - So this year to save me from tears I'll give it to Stack Overflow ...
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How do I get a Cron like scheduler in Python? [closed]

...oking for something lightweight checkout schedule: import schedule import time def job(): print("I'm working...") schedule.every(10).minutes.do(job) schedule.every().hour.do(job) schedule.every().day.at("10:30").do(job) while 1: schedule.run_pending() time.sleep(1) Disclosure: I'm ...
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Creating java date object from year,month,day

...probably nobody. Note that Calendar is now obsoleted by th the Java 8 java.time API, which does the right thing. – JB Nizet Sep 27 '17 at 6:55 add a comment ...
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Do I really need to encode '&' as '&'?

...g on the following text. So the easiest path is probably to encode all the time. share | improve this answer | follow | ...
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How can I get current date in Android?

...SimpleDateFormat class. Final Solution: Date c = Calendar.getInstance().getTime(); System.out.println("Current time => " + c); SimpleDateFormat df = new SimpleDateFormat("dd-MMM-yyyy", Locale.getDefault()); String formattedDate = df.format(c); ...
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Is it possible to specify a starting number for an ordered list?

..." on the third li of the second ol, but now you'll need to change it every time you add an item to the first ol Solution First, let's clear the formatting of our current numbering. ol { list-style: none; } We'll have each li show the counter ol li:before { counter-increment: mycounter; ...
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Best Practice for Forcing Garbage Collection in C#

...ssible to force garbage collection by calling Collect, but most of the time, this should be avoided because it may create performance issues. " However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then go ahead... Just try to make sure...