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How to compare objects by multiple fields
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that's the best solution at the moment, (better than more comparators)
– Vasile Surdu
Jun 6 '14 at 18:41
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ETag vs Header Expires
...request to the server at all. The closer you are to the Expires date, the more likely it is the client (or proxy) will make an HTTP request for that file from the server.
So really what you want to do is use BOTH headers - set the Expires header to a reasonable value based on how often the content...
Recursive search and replace in text files on Mac and Linux
...d-line arguments allowed by the OS is breached; in that case find will run more than one instance.)
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BigDecimal - to use new or valueOf
... double value as accurately as possible. This will usually result in a lot more digits being stored than you want. Strictly speaking, it's more correct than valueOf(), but it's a lot less intuitive.
There's a nice explanation of this in the JavaDoc:
The results of this constructor can be somewh...
How can I print a circular structure in a JSON-like format?
...on() { return 'whatever you think that is right'; }; (if you want anything more generic/specific, just try anything in the prototype tree: HTMLDivElement implements HTMLElement implements Element implements Node implements EventTarget; note: this may be browser-dependent, the previous tree is true f...
Multi-line string with extra space (preserved indentation)
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Heredoc sounds more convenient for this purpose. It is used to send multiple commands to a command interpreter program like ex or cat
cat << EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after <<...
How to validate an email address using a regular expression?
...)+)\])
Here is diagram of finite state machine for above regexp which is more clear than regexp itself
The more sophisticated patterns in Perl and PCRE (regex library used e.g. in PHP) can correctly parse RFC 5322 without a hitch. Python and C# can do that too, but they use a different syntax fr...
Where to place JavaScript in an HTML file?
...l downloads. The HTTP/1.1 specification suggests that browsers download no more than two components in parallel per hostname. If you serve your images from multiple hostnames, you can get more than two downloads to occur in parallel. While a script is downloading, however, the browser won't start an...
Why should I use an IDE? [closed]
...tc!
All of these save time. They're things I could do manually, but with more pain: I'd rather be coding.
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How do I include a pipe | in my linux find -exec command?
...e of xargs would be, that you can speed it with modern multi core cpu even more up, by using the -P switch (-P 0).
– flolo
Nov 20 '08 at 23:03
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