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Initialize a long in Java
...u do any operation of byte with any integer, byte is first promoted to int and then any operations are performed.
Try this
byte a = 1; // declare a byte
a = a*2; // you will get error here
You get error because 2 is by default int.
Hence you are trying to multiply byte with int.
Hence result ...
How do I use JDK 7 on Mac OSX?
...Apple's Java 1.6, I had to run /Library/Java/JavaVirtualMachines/1.7.0.jdk and drag "Java SE 7" to the top of the list on the "General" tab. This will also make javac point to the Java 1.7 version when running the terminal.
– sschuberth
Jun 1 '12 at 8:19
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How to select only 1 row from oracle sql?
...l also work if you order by ROWID, as long as you never delete any records and always care about the last inserted/modified one.
– vapcguy
Oct 7 '16 at 21:27
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how to compare two elements in jquery [duplicate]
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Yes, I've tested this code on IE6, FF 3.6 and Chrome 4. It returns true on all these browsers.
– Darin Dimitrov
Mar 9 '10 at 17:15
8
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Split delimited strings in a column and insert as new rows [duplicate]
...parate_rows function as described by @Tif below.
It works so much better, and it allows to "unnest" multiple columns in a single statement:
> head(mydf)
geneid chrom start end strand length gene_count
ENSG00000223972.5 chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1;chr1 11869;1...
How to delete a remote tag?
... 1.8.0):
git push --delete origin tagname
Note that git has tag namespace and branch namespace so you may use the same name for a branch and for a tag. If you want to make sure that you cannot accidentally remove the branch instead of the tag, you can specify full ref which will never delete a bran...
css3 transition animation on load?
...}
...which basically says "at the start, the header will be off the left hand edge of the screen by its full width and at the end will be in place".
The second part is calling that slideInFromLeft animation:
animation: 1s ease-out 0s 1 slideInFromLeft;
Above is the shorthand version but here is th...
Can I call an overloaded constructor from another constructor of the same class in C#?
...r: yes, using the this keyword.
Long answer: yes, using the this keyword, and here's an example.
class MyClass
{
private object someData;
public MyClass(object data)
{
this.someData = data;
}
public MyClass() : this(new object())
{
// Calls the previous constructor ...
Making a Sass mixin with optional arguments
...
A DRY'r Way of Doing It
And, generally, a neat trick to remove the quotes.
@mixin box-shadow($top, $left, $blur, $color, $inset:"") {
-webkit-box-shadow: $top $left $blur $color #{$inset};
-moz-box-shadow: $top $left $blur $color #{$inset};
...
Getting the object's property name
...myObject[c]));
}
Walla! This will definitely work in the latest firefox and ie11 and chrome...
Here is some documentation at MDN
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
...