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OS X: equivalent of Linux's wget
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edited Sep 3 '17 at 20:05
Mark Amery
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Run cron job only if it isn't already running
...vious?
– Hamzahfrq
Jul 19 '14 at 17:05
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@matteo: Yes, you're right. I had fixed that in my notes...
Unable to hide welcome screen in Emacs
I want to hide the welcome screen.
6 Answers
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coinitialize失败，返回值是0x80010106 无法在设置线程模式后对其加以更改 ...
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在使用中，使用CoInitialize创建可使对象直接与线程连接，得到最高的性能。创建多线程对象可以直接接收所有线程的调用，不必像单线程那样需要消息排队，但却需要COM创建线程间汇集代理，这样访问效率不高。
注：新...
Retrieve the commit log for a specific line in a file?
Is there any way to get git to give you a commit log for just commits that touched a particular line in a file?
10 Answer...
Dictionary vs Object - which is more efficient and why?
... results.
– codeape
Aug 27 '09 at 8:05
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I ran your code a few times and was surprised my results...
make arrayList.toArray() return more specific types
So, normally ArrayList.toArray() would return a type of Object[] ....but supposed it's an
Arraylist of object Custom , how do I make toArray() to return a type of Custom[] rather than Object[] ?
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
Clear a terminal screen for real
...nswer
– daniels_pa
Aug 13 '18 at 15:05
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Convert DateTime to String PHP
...ead.
– Anh-Tuan Mai
Nov 17 '16 at 8:05
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