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Write lines of text to a file in R
...answered Mar 18 '10 at 13:54
MarkMark
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Find and replace with sed in directory and sub directories
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Your find should look like that to avoid sending directory names to sed:
find ./ -type f -exec sed -i -e 's/apple/orange/g' {} \;
share
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imp...
How does the getView() method work when creating your own custom adapter?
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1: The LayoutInflater takes your layout XML-files and creates different View-objects from its contents.
2: The adapters are built to reuse Views, when a View is scrolled so that is no longer visible, it can be used for one of the new Views appear...
Launching an application (.EXE) from C#?
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Use System.Diagnostics.Process.Start() method.
Check out this article on how to use it.
Process.Start("notepad", "readme.txt");
string winpath = Environment.GetEnvironmentVariable("windir");
string path = System.IO.Path.GetDirectoryName(
System.Windows.Forms.A...
JUnit vs TestNG [closed]
At work we are currently still using JUnit 3 to run our tests. We have been considering switching over to JUnit 4 for new tests being written but I have been keeping an eye on TestNG for a while now. What experiences have you all had with either JUnit 4 or TestNG, and which seems to work better fo...
Difference between declaring variables before or in loop?
...w-away variable before a loop, as opposed to repeatedly inside the loop, makes any (performance) difference?
A (quite pointless) example in Java:
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cd into directory without having permission
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JonathanJonathan
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add a c...
Flat file databases [closed]
...o save or update the db record for that user.
$dir = "../userdata/"; //make sure to put it bellow what the server can reach.
file_put_contents($dir.$user['name'],serialize($user));
and to load the record for the user
function &get_user($name){
return unserialize(file_get_contents("../us...
Showing Difference between two datetime values in hours
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I think you're confused because you haven't declared a TimeSpan you've declared a TimeSpan? which is a nullable TimeSpan. Either remove the question mark if you don't need it to be nullable or use variable.Value.TotalHours.
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Given an emacs command name, how would you find key-bindings ? (and vice versa)
If I know an emacs command name, says, "goto-line"; what if I want to query whether if there are any key-sequences bound to this command ?
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