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Why do we need boxing and unboxing in C#?
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double e = 2.718281828459045;
object o = e; // box
int ee = (int)o; // runtime exception
Instead you must do this:
double e = 2.718281828459045;
object o = e; // box
int ee = (int)(double)o;
First we have to explicitly unbox the double ((double)o) and then cast that to an int.
What is the res...
write a shell script to ssh to a remote machine and execute commands
... -o PreferredAuthentications=publickey -o PubkeyAuthentication=yes' -i 'uptime; hostname -f'
If the file hosts.txt has a large number of entries, say 100, then the parallelism option may also be set to 100 to ensure that the commands are run concurrently:
pssh -i -h hosts.txt -p 100 -t 0 sleep...
Plot logarithmic axes with matplotlib in python
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Had a hard time trying to figure out how to do it. This answer saved my day!
– HWende
Jun 5 '12 at 10:57
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Capitalize words in string [duplicate]
What is the best approach to capitalize words in a string?
21 Answers
21
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How to prepare a Unity project for git? [duplicate]
... you already created your empty git repo on-line (eg. github.com) now it's time to upload your code. Open a command prompt and follow the next steps:
cd to/your/unity/project/folder
git init
git add *
git commit -m "First commit"
git remote add origin git@github.com:username/project.git
git pu...
How to auto-center jQuery UI dialog when resizing browser?
...size event with .resize(), so it triggers the re-center at the appropriate time.
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How to ignore whitespace in a regular expression subject string?
Is there a simple way to ignore the white space in a target string when searching for matches using a regular expression pattern? For example, if my search is for "cats", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and en...
pull/push from multiple remote locations
...date
If it's not currently connected to one of the remotes, it will take time out or throw an error, and go on to the next. You'll have to manually merge from the fetched repositories, or cherry-pick, depending on how you want to organize collecting changes.
To fetch the master branch from alt an...
Unable to forward search Bash history similarly as with CTRL-r
...forward through the history.
The problem with Ctrl-S however is that sometimes collides with XON/XOFF flow control (in Konsole for instance). The searching is a readline feature however, and you should be able to bind it to some other key. Update: Simpler and better is just to disable XON/XOFF by ...
What is sharding and why is it important?
...scale applications, with lots of data. First, it helps minimizing response times for database queries. Second, you can use more cheaper, "lower-end" machines to host your data on, instead of one big server, which might not suffice anymore.
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