大约有 36,010 项符合查询结果（耗时：0.0414秒） [XML]
Implementing slicing in __getitem__
...ist or tuple you must implements __getslice__ for python 2.X versions. see docs.python.org/2/reference/datamodel.html#object.__getslice__
– gregorySalvan
Aug 28 '14 at 5:17
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Simple way to transpose columns and rows in SQL?
How do I simply switch columns with rows in SQL?
Is there any simple command to transpose?
9 Answers
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How can one use multi threading in PHP applications
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Multi-threading is possible in php
Yes you can do multi-threading in PHP with pthreads
From the PHP documentation:
pthreads is an object-orientated API that provides all of the tools needed for multi-threading in PHP. PHP applications can create, read, write, execut...
Check to see if python script is running
...f the process is running by checking to see if the PID in the file exists. Don't forget to delete the file when you shut down cleanly, and check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
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Exclude all transitive dependencies of a single dependency
In Maven2, to exclude a single transitive dependency, I have to do something like this:
12 Answers
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How can I specify the base for Math.log() in JavaScript?
... Added an image with the formula and linked to Wikipedia if you don't mind.
– Anurag
Jun 10 '10 at 23:40
13
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How to quickly clear a JavaScript Object?
...ing you'd frequently use. Yes it's linear in complexity, but anything that doesn't do garbage collection later will be.
This is the best solution. I know it's not related to your question - but for how long do we need to continue supporting IE6? There are many campaigns to discontinue the usage of i...
Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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@NotNull is a JSR 303 Bean Validation annotation. It has nothing to do with database constraints itself. As Hibernate is the reference implementation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get two for t...
Hidden Features of PHP? [closed]
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Documentation. The documentation gets my vote. I haven't encountered a more thorough online documentation for a programming language - everything else I have to piece together from various websites and man pages.
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jQuery click not working for dynamically created items [duplicate]
... jQuery that loops through each element in a given div( #container ) and does a javascript alert each time a span is clicked. This works fine if the <span> 's are static.
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