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How to calculate time elapsed in bash script?
...on doesn't depend on date +%s (which is a GNU extension), it's portable to all systems supported by Bash.
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How to apply a CSS filter to a background image
...gt;
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tempor, erat in mattis fring...
When to use Spring Integration vs. Camel?
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We choose Camel over Spring-Integration because the fluent API is really nice. We actually use it in Spring projects and use Spring to configure part of it. The programming API's are clear and there is a large set of sensible components.
We did a small scale shootout and basically at that t...
How to add a changed file to an older (not last) commit in Git
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Use git rebase. Specifically:
Use git stash to store the changes you want to add.
Use git rebase -i HEAD~10 (or however many commits back you want to see).
Mark the commit in question (a0865...) for edit by changing the word pick at the start of t...
Using Node.js only vs. using Node.js with Apache/Nginx
...vileges/setuid for the Node.js process. Only root can bind to port 80 typically. If you let nginx/Apache worry about starting as root, binding to port 80, and then relinquishing its root privileges, it means your Node app doesn't have to worry about it.
Serving static files like images, css, js, and...
std::string to char*
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It won't automatically convert (thank god). You'll have to use the method c_str() to get the C string version.
std::string str = "string";
const char *cstr = str.c_str();
Note that it returns a const char *; you aren't allowed to change the...
Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]
... google shows many results that say that, as Python is byte-compiled is usually faster. I even found this that claims that you can see an improvement of over 2000% on dictionary-based operations.
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What's the difference between window.location= and window.location.replace()?
...er won't be able to use the Back
button to navigate to it.
Oh and generally speaking:
window.location.href = url;
is favoured over:
window.location = url;
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What does LayoutInflater in Android do?
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Ideally you should first test convertView to see if you can recycle a resource, so View view = convertView; if (view == null) { view = mInflater.... }
– Jannie Theunissen
Mar 22 '13 at 12:3...
What happens to a declared, uninitialized variable in C? Does it have a value?
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In practice, they tend to just have some nonsensical value in there initially - some compilers may even put in specific, fixed values to make it obvious when looking in a debugger - but strictly speaking, the compiler is free to do anything from crashing to summoning demons through your nasal pass...