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Undefined behavior and sequence points
...er: that reason is concurrency. Unspecified order of elaboration is merely selection of one of several possible serial orderings, this is quite different to before and after orderings, because if there is no specified ordering, concurrent evaluation is possible: not so with the old rules. For exampl...
Download a file with Android, and showing the progress in a ProgressDialog
...ime (12 AM for instance), the service will download all the link that user selected before. I mean the service I need has to be able to queue download links, and then download all of them (one by one or parallel, depend on user). Thank you
– Hoang Trinh
base64 encoded images in email signatures
...tlook. I then used the signature editors "replace image" functionality to select a local file (instead of the base64 encoded image I had manually included). This seems to do what you mean. Thanks for sticking with me.
– Devil's Advocate
Dec 2 '16 at 16:30
...
What is the difference between user and kernel modes in operating systems?
...d 2 aren't used?
How is the current ring determined?
The current ring is selected by a combination of:
global descriptor table: a in-memory table of GDT entries, and each entry has a field Privl which encodes the ring.
The LGDT instruction sets the address to the current descriptor table.
See ...
Hosting a Maven repository on github
...--------------------------------------
Visit github.com in your browser, select the mvn-repo branch, and verify that all your binaries are now there.
Congratulations!
You can now deploy your maven artifacts to a poor man's public repo simply by running mvn clean deploy.
There's one more step ...
What is the dependency inversion principle and why is it important?
...l never be able to deploy his application without the logging library John selected. If John follows the DIP, however, Sam is free to provide an adapter and use whatever logging library he chooses. The DIP isn't about convenience, but coupling.
– Derek Greer
...
Best practices for reducing Garbage Collector activity in Javascript
...though it's requiring me to wait 24 hours before I award it (even though I selected 'reward existing answer'). Will be yours tomorrow...
– UpTheCreek
Sep 11 '13 at 10:18
...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...h
. $real_path
用户输入
执行脚本时传入脚本运行中输入select菜单stdin和stdout
常用的命令
sh脚本结合系统命令便有了强大的威力，在字符处理领域，有grep、awk、sed三剑客，grep负责找出特定的行，awk能将行拆分成多个字段，s...
What does enctype='multipart/form-data' mean?
...do printf '' | nc -l 8000 localhost; done
Open the HTML on your browser, select the files and click on submit and check the terminal.
nc prints the request received.
Tested on: Ubuntu 14.04.3, nc BSD 1.105, Firefox 40.
multipart/form-data
Firefox sent:
POST / HTTP/1.1
[[ Less interesting hea...
How do you use bcrypt for hashing passwords in PHP?
...pt works internally. And there are a TON of answers about that. Here are a selection that I've written, that I won't copy/paste here, but link to:
Fundamental Difference Between Hashing And Encryption Algorithms - Explaining the terminology and some basic information about them.
About reversing ha...