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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...ither that it's 10-20x faster (cowtowncoder.com/blog/archives/2010/10/entry_429.html); or that they don't trust randomness to produce unique ids (which is kinda funny)
– StaxMan
Oct 24 '10 at 3:30
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Resizing UITableView to fit content
...code modifies the UI, do not forget to run it in the main thread:
dispatch_async(dispatch_get_main_queue(), ^{
//This code will run in the main thread:
CGRect frame = self.tableView.frame;
frame.size.height = self.tableView.contentSize.height;
self.tableView.frame = ...
Uploading Files in ASP.net without using the FileUpload server control
...Name(file.FileName);
file.SaveAs(Server.MapPath(Path.Combine("~/App_Data/", fname)));
}
}
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C read file line by line
...ppet involving the getline() function (see the manual page here):
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
FILE * fp;
char * line = NULL;
size_t len = 0;
ssize_t read;
fp = fopen("/etc/motd", "r");
if (fp == NULL)
exit...
Should I store entire objects, or pointers to objects in containers?
...ality, for example using placement new (see en.wikipedia.org/wiki/Placement_syntax#Custom_allocators).
– amit
Feb 27 '11 at 11:34
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Parsing HTML into NSAttributedText - how to set font?
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#import "UILabel+HTML.h"
@implementation UILabel (HTML)
- (void)jaq_setHTMLFromString:(NSString *)string {
string = [string stringByAppendingString:[NSString stringWithFormat:@"<style>body{font-family: '%@'; font-size:%fpx;}</style>",
...
Android: How can I validate EditText input?
...ern.compile("[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789_]*");
Matcher matcher = pattern.matcher(checkMe);
boolean valid = matcher.matches();
if(!valid){
Log.d("", "invalid");
return "";
}
}
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How to count total number of watches on a page?
...ou should add before the push something like this (I'm using lodash): if (!_.contains(watchers,watcher)){ watchers.push(watcher); }
– Ben2307
Dec 16 '13 at 9:16
2
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Recursion or Iteration?
...t you can find it here github.com/juokaz/blog.webspecies.co.uk/blob/master/_posts/…
– Vladyslav Startsev
Jun 1 '17 at 21:07
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Open an IO stream from a local file or url
...d be able to call methods like read and readlines.
require 'open-uri'
file_contents = open('local-file.txt') { |f| f.read }
web_contents = open('http://www.stackoverflow.com') {|f| f.read }
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