大约有 47,000 项符合查询结果（耗时：0.0740秒） [XML]
How to pass in password to pg_dump?
I'm trying to create a cronjob to back up my database every night before som>me m>thing catastrophic happens. It looks like this command should m>me m>et my needs:
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Secure random token in Node.js
...tion Erik needs to generate a secure random token in Node.js. There's the m>me m>thod crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is...
Converting Python dict to kwargs?
...dding key - value pairs together. The sunburnt interface takes keyword argum>me m>nts. How can I transform a dict ({'type':'Event'}) into keyword argum>me m>nts (type='Event') ?
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Finding the handle to a WPF window
Windows forms had a property win1.Handle which, if I recall, returns the handle of the main window handle?
4 Answers
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D3.js: what is 'g' in .append(“g”) D3.js code?
I am new to D3.js , started learning today only
2 Answers
2
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Log exception with traceback
...g the current exception along with the trace information, prepended with a m>me m>ssage.
import logging
LOG_FILENAm>ME m> = '/tmp/logging_example.out'
logging.basicConfig(filenam>me m>=LOG_FILENAm>ME m>, level=logging.DEBUG)
logging.debug('This m>me m>ssage should go to the log file')
try:
run_my_stuff()
except:
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Compress files while reading data from STDIN
Is it possible to compress (create a compressed archive) data while reading from stdin on Linux?
3 Answers
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How does inheritance work for Attributes?
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When Inherited = true (which is the default) it m>me m>ans that the attribute you are creating can be inherited by sub-classes of the class decorated by the attribute.
So - if you create MyUberAttribute with [AttributeUsage (Inherited = true)]
[AttributeUsage (Inherited = Tru...
Difference between addSubview and insertSubview in UIView class
What is the difference between addSubview and insertSubView m>me m>thods when a view is added programmatically?
4 Answers
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Linq with group by having count
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Like this:
from c in db.Company
group c by c.Nam>me m> into grp
where grp.Count() > 1
select grp.Key
Or, using the m>me m>thod syntax:
Company
.GroupBy(c => c.Nam>me m>)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key)...