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How to iterate over the files of a certain directory, in Java? [duplicate]
...
If you have the directory name in myDirectoryPath,
import java.io.File;
...
File dir = new File(myDirectoryPath);
File[] directoryListing = dir.listFiles();
if (directoryListing != null) {
for (File child : directoryListing) {
// Do something with child
}
} else {
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
I have this exception and I don't understand why it would be thrown or, how I should handle it.
3 Answers
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Generate JSON string from NSDictionary in iOS
I have a dictionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
... reasons to stay away from C99 and work with C90.
If you're working in a mixed C and C++ project, and don't want C99, define the lower-case true, false and bool instead.
#ifndef __cplusplus
typedef int bool;
#define true (0==0)
#define false (!true)
#endif
That being said, the 0==0 trick was (i...
Rails respond_with: how does it work?
... a proc/lambda or a class that responds to call. Another alternative is to mixin one or modules to the existing responder to overload existing methods, augmenting the default behavior.
class SomeController < ApplicationController
respond_to :json
self.responder = proc do |controller, resour...
How to combine paths in Java?
Is there a Java equivalent for System.IO.Path.Combine() in C#/.NET? Or any code to accomplish this?
11 Answers
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Apache Proxy: No protocol handler was valid
..._module modules/mod_slotmem_shm.so in httpd.conf
– Flion
Dec 20 '17 at 19:55
1
I needed sudo a2en...
Programmatically set the initial view controller using Storyboards
...? I want to open my storyboard to a different view depending on some condition which may vary from launch to launch.
22 Ans...
Access Container View Controller from Parent iOS
in iOS6 I noticed the new Container View but am not quite sure how to access it's controller from the containing view.
11 A...
Hidden features of mod_rewrite
...h a comma:
RewriteRule ^olddir(.*)$ /newdir$1 [L,NC]
Common pitfalls
Mixing mod_alias style redirects with mod_rewrite
# Bad
Redirect 302 /somepage.html http://example.com/otherpage.html
RewriteEngine on
RewriteRule ^(.*)$ index.php?query=$1
# Good (use mod_rewrite for both)
RewriteEngine on...