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How big can a user agent string get?
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HTTP specification does not limit length of headers at all.
However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds.
Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers).
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How to show soft-keyboard when edittext is focused
I want to automatically show the soft-keyboard when an EditText is focused (if the device does not have a physical keyboard) and I have two problems:
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How to remove all whitespace from a string?
...\r\v\fy \t\n\r\v\f"
## [4] NA
The base R approach: gsub
gsub replaces all instances of a string (fixed = TRUE) or regular expression (fixed = FALSE, the default) with another string. To remove all spaces, use:
gsub(" ", "", x, fixed = TRUE)
## [1] "xy" "←→" ...
How to remove application from app listings on Android Developer Console
...et you cannot delete it. (Each package name is unique and Google remembers all package names anyway so you could use this a reminder)
The "Delete" button only works for unpublished version of your app. Once you published your app or a particular version of it, you cannot delete it from the Market. H...
How can I move a tag on a git branch to a different commit?
I created a tag on the master branch called v0.1 like this:
9 Answers
9
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Under what circumstances are linked lists useful?
...he new Thread Pool, (with the local "queues" implemented as stacks, essentially). (The other main supporting structure being ConcurrentQueue<T>.)
The new Thread Pool in turn provides the basis for the work scheduling of the new
Task Parallel Library.
So they can certainly be useful - a link...
Partly cherry-picking a commit with Git
...etting you decide whether each hunk should go in, and even letting you manually edit the patch if necessary.
To use it in combination with cherry-pick:
git cherry-pick -n <commit> # get your patch, but don't commit (-n = --no-commit)
git reset # unstage the changes from the...
Frontend tool to manage H2 database [closed]
...ions
[-web] Start the web server with the H2 Console
[-webAllowOthers] Allow other computers to connect - see below
[-webPort ] The port (default: 8082)
[-webSSL] Use encrypted (HTTPS) connections
[-browser] Start a browser and open a page to c...
Java rounding up to an int using Math.ceil
...this is correct, I want to know how you got to it, and how can I mathematically show it is correct. I tried solving it mathematically, wasn't convinced.
– Saad Rehman Shah
Apr 20 '14 at 11:40
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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...