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Why does auto a=1; compile in C?
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@JensGustedt VS doesn't claim to provide a modern C compiler. From all appearances, work on the C compiler stopped many years ago; they only supply it so that people can continue to compile legacy code. (And of course, any decent modern C ...
How to check if a string is a valid JSON string in JavaScript without using Try/Catch
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A comment first. The question was about not using try/catch.
If you do not mind to use it, read the answer below.
Here we just check a JSON string using a regexp, and it will work in most cases, not all cases.
Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blo...
Changing every value in a hash in Ruby
...tr.replace "%#{str}%" }
If you want the hash to change in place, but you don't want to affect the strings (you want it to get new strings):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |key,str| my_hash[key] = "%#{str}%" }
my_hash.inject(my_hash){ |h,(k,str)| h[k]="%#{st...
Git on Bitbucket: Always asked for password, even after uploading my public SSH key
... will ask for password irrespective of your ssh keys.
So what you want to do is the following:
open your config file in your current repo ..
vim .git/config
and change the line with the url from
[remote "origin"]
fetch = +refs/heads/*:refs/remotes/origin/*
url = https://Nicolas_...
What is the largest Safe UDP Packet Size on the Internet
... and the like) in order to route the packet to its destination. So if you do not know the MTU on your particular network path, it is best to leave a reasonable margin for other header information that you may not have anticipated. A 512-byte UDP payload is generally considered to do that, although...
Django select only rows with duplicate field values
... for updated answer, I think I will stick with this solution, you can even do it without list comprehension by using values_list('name', flat=True)
– dragoon
Jan 24 '12 at 15:45
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How to use shared memory with Linux in C
... This is why Linux is so frustrating for inexperienced devs. The man page doesn't explain how to actually use it, and there is no sample code. :(
– bleepzter
Apr 13 '11 at 22:46
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How to close this ssh tunnel? [closed]
...306:mysql-server.com:3306 -N as described in the post you linked.
A breakdown of the command:
ssh: that's pretty self-explanatory. Invokes ssh.
-f: (From the man ssh page)
Requests ssh to go to background just before command execution.
This is useful if ssh is going to ask for pa...
What is the difference between a var and val definition in Scala?
...at is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa?
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How to change the name of an iOS app?
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In Xcode 4 you can simply double click the target name and change it directly in the target list.
– hallski
Apr 15 '11 at 8:12
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