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How to format strings using printf() to get equal length in the output?
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You can specify width on string fields, e.g.
printf("%-20s", "initialization...");
and then whatever's printed with that field will be blank-padded to the width you indicate.
The - left-justifies your text in that field.
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Can two different strings generate the same MD5 hash code?
...ry assets generate the same MD5 hash. So is it possible that two different strings generate the same MD5 hash?
11 Answers
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Get generic type of class at runtime
...t; of(Class<T> type) {...} and then call it as such: GenericClass<String> var = GenericClass.of(String.class). A bit nicer.
– Joeri Hendrickx
Aug 1 '16 at 20:04
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Why is lock(this) {…} bad?
...nnot be made; otherwise, the lock is allowed.
This is why it's bad to use strings as the keys in lock statements, since they are immutable and are shared/accessible across parts of the application. You should use a private variable instead, an Object instance will do nicely.
Run the following C# c...
How to cast an Object to an int
...dered/boxed as an Integer then stored as an Object.
If your object is a String, then you can use the Integer.valueOf() method to convert it into a simple int :
int i = Integer.valueOf((String) object);
It can throw a NumberFormatException if your object isn't really a String with an integer as...
Tuples( or arrays ) as Dictionary keys in C#
...ctionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would probably not be very pretty t...
How to send PUT, DELETE HTTP request in HttpURLConnection?
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public HttpURLConnection getHttpConnection(String url, String type){
URL uri = null;
HttpURLConnection con = null;
try{
uri = new URL(url);
con = (HttpURLConnection) uri.openConnection();
con.setRequestMethod...
How do you know a variable type in java?
...now whether it's an instance of a certain class:
boolean b = a instanceof String
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Replace words in a string - Ruby
I have a string in Ruby:
4 Answers
4
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How do I trim whitespace?
...there a Python function that will trim whitespace (spaces and tabs) from a string?
15 Answers
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