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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
... third one I can think of is nested if's:
if (cond1)
if (cond2)
doSomething();
Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So:
if (cond1)
if (cond2)
doSomething();
else
doSomethingElse();
which is obviously wrong, since the else ass...
Do a “git export” (like “svn export”)?
...his is with git archive. If you really need just the expanded tree you can do something like this.
git archive master | tar -x -C /somewhere/else
Most of the time that I need to 'export' something from git, I want a compressed archive in any case so I do something like this.
git archive master |...
How do you Encrypt and Decrypt a PHP String?
...
Before you do anything further, seek to understand the difference between encryption and authentication, and why you probably want authenticated encryption rather than just encryption.
To implement authenticated encryption, you want to ...
NOT using repository pattern, use the ORM as is (EF)
...ork”. The more I started digging I started asking myself the question: "Do I really need it?"
9 Answers
...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
...reated, I want to have a default value for attribute :status . I tried to do this:
10 Answers
...
How do I create my own URL protocol? (e.g. so://…) [closed]
...
What about non-Windows OSes?
– Bdoserror
Dec 23 '08 at 17:04
9
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How do I call one constructor from another in Java?
... be the best way to call another constructor (if there are several ways to do it)?
21 Answers
...
Execute command on all files in a directory
Could somebody please provide the code to do the following:
Assume there is a directory of files, all of which need to be run through a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output int...
How to loop through file names returned by find?
...ost of them.
The full answer:
The best way depends on what you want to do, but here are a few options. As long as no file or folder in the subtree has whitespace in its name, you can just loop over the files:
for i in $x; do # Not recommended, will break on whitespace
process "$i"
done
Ma...
How do you do relative time in Rails?
I'm writing a Rails application, but can't seem to find how to do relative time, i.e. if given a certain Time class, it can calculate "30 seconds ago" or "2 days ago" or if it's longer than a month "9/1/2008", etc.
...