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OS X10.9 环境下部署 QT5.3.1 常见的编译问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解决方法
1、:-1: error: Xcode not set up properly. You may need to confirm the license agreement by running /usr/bin/xcodebuild.
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Xcode -> Preferences -> Locations - > Command Line Tools
#设置好xcode的安装位置
或
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How to import the class within the same directory or sub directory?
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I can confirm this solution is no longer functional. You might wish to correct, amend or outright delete it.
– Luís de Sousa
Apr 8 '16 at 7:42
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Increasing the maximum number of TCP/IP connections in Linux
...-s 1472 ...)
Check for rate limiting. On Linux, this is configured with tc
Confirm that the bandwidth you think exists actually exists using e.g., iperf
Confirm that your protocol is sane. Remember latency.
If this is a gigabit+ LAN, can you use jumbo packets? Are you?
Possibly I have misunderstoo...
Convert blob to base64
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var reader = new FileReader();
reader.readAsDataURL(blob);
reader.onloadend = function() {
var base64data = reader.result;
console.log(base64data);
}
Form the docs readAsDataURL encodes to base64
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jQuery event for images loaded
..., if you changed the SRC property of an IMG element to the same value, the onload event will NOT fire.
It appears that this is recognized in the latest jQuery (1.4.x) - http://api.jquery.com/load-event - to quote:
It is possible that the load event will not be triggered if the image is loaded f...
How can I drop all the tables in a PostgreSQL database?
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Confirmed. The two line solution (drop then create) used to work on PostgreSQL 9.1. After upgrading to 9.3, the two extra grant is necessary.
– Jinghao Shi
Sep 15 '14 at 23:42
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Creating a new dictionary in Python
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I confirm it's 3 times faster to use { } than dict() in python 3.x
– Alex Azazel
Jan 3 '17 at 19:09
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jQuery - What are differences between $(document).ready and $(window).load?
...s are there to be found/used, but not necessarily all the content.
window.onload fires later (or at the same time in the worst/failing cases) when images and such are loaded. So, if you're using image dimensions for example, you often want to use this instead.
Also read a related question:
Differe...
Where does 'Hello world' come from?
...ave a treasure trove of notes, old documents, etc. -- found the manual and confirmed that this was the original appearance of the program. The code was used for early testing of the C compiler and made its way into Kernighan and Ritchie's book. Later, it was one of the first programs used to test Bj...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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For email confirmations that expire relatively soon, I think the tiny possibility that one person might one day confirm someone else's email is a negligible risk. But you could always check if the token already exists in the DB after c...