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What is java interface equivalent in Ruby?
... the Java, C# and VB.NET programming languages. In Ruby, we use the former all the time, but the latter simply doesn't exist.
It is very important to distinguish the two. What's important is the Interface, not the interface. The interface tells you pretty much nothing useful. Nothing demonstrates th...
How do you stash an untracked file?
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To stash your working directory including untracked files (especially those that are in the .gitignore) then you probably want to use this cmd:
git stash --include-untracked
More details:
Update 17 May 2018:
New versions of git now have git stash --all which stashes all files, includin...
html onchange event not working
... 'onkeypres', 'onkeyup', etc. is not a solution when one wants to call a function only if the text has changed! Key events produce an unnecessary traffic in this case. (Very strange that this reply has been chosen as a solution, esp. with so meny votes!! I don't downvote it, because I don't...
How can I write a heredoc to a file in Bash script?
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EOF
Note that the final 'EOF' (The LimitString) should not have any whitespace in front of the word, because it means that the LimitString will not be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have the undesirable effect of indenti...
Internal typedefs in C++ - good style or bad style?
...) or whatever. Esp. if it's a shared pointer, I don't provide a typedef at all, but keep the shared_ptr use explicitly in the code.
Actually, I hardly ever use typedefs outside Template Metaprogramming.
The STL does this type of thing all the time
The STL design with concepts defined in terms...
ASP.NET MVC View Engine Comparison
...ferent problem from "tag soup" referenced above. Where the server tags actually provide structure around server and non-server code, Razor confuses HTML and server code, making pure HTML or JS development challenging (see Con Example #1) as you end up having to "escape" HTML and / or JavaScript tags...
Fat models and skinny controllers sounds like creating God models [closed]
...ontrollers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and then bring up the view. So I've two concerns here which I don't understand:
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Why is there no GIL in the Java Virtual Machine? Why does Python need one so bad?
I'm hoping someone can provide some insight as to what's fundamentally different about the Java Virtual Machine that allows it to implement threads nicely without the need for a Global Interpreter Lock (GIL), while Python necessitates such an evil.
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How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... prot opt source destination
Chain RH-Firewall-1-INPUT (0 references)
target prot opt source destination
ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 ...