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Replacing a char at a given index in string? [duplicate]
String does not have ReplaceAt() , and I'm tumbling a bit on how to make a decent function that does what I need. I suppose the CPU cost is high, but the string sizes are small so it's all ok
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Facebook Post Link Image
When someone posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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Subscript and Superscript a String in Android
How can you print a string with a subscript or superscript? Can you do this without an external library? I want this to display in a TextView in Android.
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Fastest way to convert string to integer in PHP
Using PHP, what's the fastest way to convert a string like this: "123" to an integer?
8 Answers
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IEnumerable to string [duplicate]
...can't find a really easy way to convert an IEnumerable<char> to a string .
6 Answers
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C# Test if user has write access to a folder
...ate in the day for this post, but you might find this bit of code useful.
string path = @"c:\temp";
string NtAccountName = @"MyDomain\MyUserOrGroup";
DirectoryInfo di = new DirectoryInfo(path);
DirectorySecurity acl = di.GetAccessControl(AccessControlSections.All);
AuthorizationRuleCollection rule...
Passing a String by Reference in Java?
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You have three options:
Use a StringBuilder:
StringBuilder zText = new StringBuilder ();
void fillString(StringBuilder zText) { zText.append ("foo"); }
Create a container class and pass an instance of the container to your method:
public class Containe...
HTTP URL Address Encoding in Java
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"/booksearch/first book.pdf",
null);
URL url = uri.toURL();
//or String request = uri.toString();
(the single-argument constructor of URI does NOT escape illegal characters)
Only illegal characters get escaped by above code - it does NOT escape non-ASCII characters (see fatih's comm...
What does Serializable mean?
...*
*/
private static final long serialVersionUID = 1L;
public String firstName;
public String lastName;
public int age;
public String address;
public void play() {
System.out.println(String.format(
"If I win, send me the trophy to this address: %...
Looking for simple Java in-memory cache [closed]
...he usage pattern is similar to other caches. Here is an example:
Cache<String,String> cache = new Cache2kBuilder<String, String>() {}
.expireAfterWrite(5, TimeUnit.MINUTES) // expire/refresh after 5 minutes
.resilienceDuration(30, TimeUnit.SECONDS) // cope with at most 30 seconds...