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equals vs Arrays.equals in Java
...ntents of the arrays.
Similarly array.toString() may not be very useful and you need to use Arrays.toString(array).
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Using ECMAScript 6
...hrome://flags/#enable-javascript-harmony, enable this flag, restart Chrome and you will get many new features.
Arrow functions are not yet implemented in V8/Chrome, so this flag won't "unlock" arrow functions.
Since arrow functions are a syntax change, it is not possible to support this syntax wit...
My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)
...ehow when I git init ed my latest project a month or so ago I ran the command in the directory one directory higher than the root of my project.
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PHP function to generate v4 UUID
So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a val...
C++ deprecated conversion from string constant to 'char*'
...e following:
char* pointer_to_nonconst = "string literal";
Why? Well, C and C++ differ in the type of the string literal. In C the type is array of char and in C++ it is constant array of char. In any case, you are not allowed to change the characters of the string literal, so the const in C++ is...
How to create multiple levels of indentation in Javadoc?
... <li>one point one</li>
</ul>
</ul>
and get
one
one point one
I agree proper nesting is better.
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Git fails when pushing commit to github
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I had the same issue and believe that it has to do with the size of the repo (edited- or the size of a particular file) you are trying to push.
Basically I was able to create new repos and push them to github. But an existing one would not work....
Center Align on a Absolutely Positioned Div
...t. This is awesome! Could you explain how it works? Edit: Did some hunting and it seems like the left: 50% moves the div's left location to the center, which isn't really center. But the translateX shifts it back 50% of the content's width
– Aziz Javed
Nov 10 '...
SQL - find records from one table which don't exist in another
...s, with varying efficiency, depending on how good your query optimiser is, and the relative size of your two tables:
This is the shortest statement, and may be quickest if your phone book is very short:
SELECT *
FROM Call
WHERE phone_number NOT IN (SELECT phone_number FROM Phone_book)
alte...
Get keys from HashMap in Java
....
team1.put("foo", 1);
team1.put("bar", 2);
will store 1 with key "foo" and 2 with key "bar". To iterate over all the keys:
for ( String key : team1.keySet() ) {
System.out.println( key );
}
will print "foo" and "bar".
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