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Best practices around generating OAuth tokens?
...irst token is an encrypted BLOB with username, token secret and expiration etc. The problem is that we can't revoke tokens without any record on host.
So we changed it to store everything in database and the token is simply an random number used as the key to the database. It has an username index s...
difference between primary key and unique key
... there are so many physical entities (such as people, resources, machines, etc.) and virtual entities (their Tasks, transactions, activities).
Typically, business needs to record and process information of those business entities.
These business entities are identified within a whole business doma...
Installing older version of R package
...kage by using R CMD INSTALL on the command line (Terminal, Command Prompt, etc.) once you have the package source ("tarball") locally on your machine, for example using wget (if you have it):
wget http://cran.r-project.org/src/contrib/Archive/ggplot2/ggplot2_0.9.1.tar.gz
or, if you're on Windows,...
What's the best way to store a group of constants that my program uses? [closed]
... various constants that my program uses... string 's, int 's, double 's, etc... What is the best way to store them? I don't think I want an Enum , because the data is not all the same type, and I want to manually set each value. Should I just store them all in an empty class? Or is there a better...
Why and when to use Node.js? [duplicate]
... my ignorance, but imho, when building large scale servers (for say games, etc) you lose FAR too much in strongly typed, OO, compiled languages.
– Demian Brecht
Apr 11 '11 at 17:55
...
What's the hardest or most misunderstood aspect of LINQ? [closed]
...alize that many LINQ extension methods such as Single(), SingleOrDefault() etc have overloads that take lambdas.
You can do :
Single(x => x.id == id)
and don't need to say this - which some bad tutorial got me in the habit of doing
Where(x => x.id == id).Single()
...
connecting to MySQL from the command line
... thank you, 2 questions 1) do you have to include the "- u" "- p" etc, or are those replaced by the username etc 2) if there's no database created do you just leave that blank?
– Leahcim
Feb 27 '11 at 7:13
...
Oracle TNS names not showing when adding new connection to SQL Developer
...tnsnames.ora
$TNS_ADMIN/tnsnames.ora
TNS_ADMIN lookup key in the registry
/etc/tnsnames.ora ( non-windows )
$ORACLE_HOME/network/admin/tnsnames.ora
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME_KEY
LocalMachine\SOFTWARE\ORACLE\ORACLE_HOME
To see which one SQL Developer is using, issue the command show ...
Set default CRAN mirror permanent in R
...tilde expansion). If this variable is
unset, the default is R_HOME/etc/Rprofile.site, which is used if
it exists (which it does not in a 'factory-fresh' installation).
So do Sys.getenv("R_PROFILE") for the first option, or Sys.getenv("R_HOME") or R.home() for the second option. On m...
What are the pros and cons of git-flow vs github-flow? [closed]
...e products like Operating Systems, Office Packages, Custom
applications, etc) you may use git-flow. Main reason is that you need
to continuously support previous versions in production while
developing the next version.
Single version in production simple software - use Github-flow
If yo...