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What are “signed” cookies in connect/expressjs?
...es.cookie(name, value, { signed: true })) . Reporting the missing "detail" from the documentation...
– Merc
Aug 10 '12 at 9:03
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How do I add a password to an OpenSSH private key that was generated without a password?
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Try the command ssh-keygen -p -f keyfile
From the ssh-keygen man page
-p Requests changing the passphrase of a private key file instead of
creating a new private key. The program will prompt for the file
containing the private key, for the ...
How to copy a file to multiple directories using the gnu cp command
... answers I saw at https://superuser.com/questions/32630/parallel-file-copy-from-single-source-to-multiple-targets instead of cp.
For example:
cat inputfile | tee outfile1 outfile2 > /dev/null
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How to undo a git pull?
...--hard (2)
$ git pull . topic/branch (3)
Updating from 41223... to 13134...
Fast-forward
$ git reset --hard ORIG_HEAD (4)
Checkout this: HEAD and ORIG_HEAD in Git for more.
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How do I delete unpushed git commits?
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From my experience, this does not undo the commit from the original branch, thus necessitating the git reset --hard HEAD~1 afterwards. I think using reset --soft then switching branches and committing again would have saved ...
Can you explain the concept of streams?
...usly flows in a river. You don't necessarily know where the data is coming from, and most often you don't need to; be it from a file, a socket, or any other source, it doesn't (shouldn't) really matter. This is very similar to receiving a stream of water, whereby you don't need to know where it is c...
What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
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remove this file from your device
/mnt/secure/asec/smdl2tmp1.asec
Edit/Update by Mathias Conradt (OP):
If you don't have root access, you need to mount the sdcard and remove it via pc:
/.android_secure/smdl2tmp1.asec
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How to use ArgumentCaptor for stubbing?
...the single test scenario.
And 99 % of tests fall apart with null returned from Mock and in a reasonable design you would avoid return null at all costs, use Optional or move to Kotlin. This implies that verify does not need to be used that often and ArgumentCaptors are just too tedious to write.
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Proper use of errors
...Above is not a solution if we don't know what kind of error can be emitted from the block. In such cases type guards should be used and proper handling for proper error should be done - take a look on @Moriarty answer.
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Why does `a == b or c or d` always evaluate to True?
...ther.
In [1]: a,b,c,d=1,2,3,4
In [2]: a==b
Out[2]: False
But, inherited from the language C, Python evaluates the logical value of a non zero integer as True.
In [11]: if 3:
...: print ("yey")
...:
yey
Now, Python builds on that logic and let you use logic literals such as or on in...