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How does git compute file hashes?
... $(printf "\0$s" | wc -c). Note the added empty character. That is, if the string is 'abc' with the added empty character in front the length would yield 4, not 3. Then the results with sha1sum matches git hash-object.
– Michael Ekoka
Apr 11 '17 at 10:24
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Configuring Log4j Loggers Programmatically
...le = new ConsoleAppender(); //create appender
//configure the appender
String PATTERN = "%d [%p|%c|%C{1}] %m%n";
console.setLayout(new PatternLayout(PATTERN));
console.setThreshold(Level.FATAL);
console.activateOptions();
//add appender to any Logger (here is root)
Logger.getRootLogge...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...ng FIFO). Lists are practical representations of, well, lists of things. A string can be thought of as a list of characters, as the order is important ("abc" != "bca") and duplicates in the content of the string are certainly permitted ("aaa" can exist and != "a").
A set is a collection of elements...
What is the difference between bindParam and bindValue?
...le. The main reason for using bindValue would be static data, e.g. literal strings or numbers.
– lonesomeday
Jul 17 '13 at 20:53
1
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Display an array in a readable/hierarchical format
...at you can pass true as the second parameter to print_r to get the data as string. Now you can return '<pre>'.print_r(User::all(), true); from your routes file.
– DutGRIFF
Nov 5 '14 at 19:43
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Memory address of variables in Java
...ects may/will move around during garbage collection etc.)
Integer.toBinaryString() will give you an integer in binary form.
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Disabling user selection in UIWebView
...}
</style>
Programmatically load the following Javascript code:
NSString * jsCallBack = @"window.getSelection().removeAllRanges();";
[webView stringByEvaluatingJavaScriptFromString:jsCallBack];
Disable the Copy / Paste user menu:
- (BOOL)canPerformAction:(SEL)action withSender:(id)se...
Delete all files in directory (but not directory) - one liner solution
...
public class DeleteFile {
public static void main(String[] args) {
String path="D:\test";
File file = new File(path);
File[] files = file.listFiles();
for (File f:files)
{if (f.isFile() && f.exists)
{ f.delete()...
How to specify function types for void (not Void) methods in Java8?
...could simply create a consumer for that with a lambda expression:
List<String> allJedi = asList("Luke","Obiwan","Quigon");
allJedi.forEach( jedi -> System.out.println(jedi) );
You can see above that in this case, the lambda expression receives a parameter and has no return value.
Now, i...
What is the use of printStackTrace() method in Java?
...
This is normal, with the 1st one you call the toString() of the error, and in the 2nd you ask to print all the stackTrace from the error. That's 2 différents things.
– Jon
May 17 '16 at 8:08
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