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Is Java “pass-by-reference” or “pass-by-value”?
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Java is always pass-by-value.
Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners.
It goes like this:
public static void main(String[] args) {
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Is a one column table good design? [closed]
It it ok to have a table with just one column? I know it isn't technically illegal, but is it considered poor design?
15 A...
Execute method on startup in Spring
...n and it executes just after the startup, but then it will execute periodically.
13 Answers
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What is the most “pythonic” way to iterate over a list in chunks?
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Finally got a chance to play around with this in a python session. For those who are as confused as I was, this is feeding the same iterator to izip_longest multiple times, causing it to consume successive values of the same seq...
Why are hexadecimal numbers prefixed with 0x?
...an immediately tell the base (0 is the same in both bases),
it's mathematically sane (00005 == 05), and
no precious special characters are needed (as in #123).
When C was created from B, the need for hexadecimal numbers arose (the PDP-11 had 16-bit words) and all of the points above were still val...
jQuery ID starts with
I am trying to get all elements with an id starting with some value. Below is my jQuery code. I am trying to use a JavaScript variable when searching for items. But it does not work. What am I missing below? So the id 'value' am searching is the value of the clicked element
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git: How do I get the latest version of my code?
...it clean -xffd
git pull
Again, this will nuke any changes you've made locally so use carefully. Think about rm -Rf when doing this.
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How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
...of it colliding would be negligible, how much of the SHA substring is generally required?
5 Answers
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Get program execution time in the shell
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To see all versions of time you have installed on your system, you can use type -a time
– spinup
Apr 2 '18 at 14:36
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Warning: “format not a string literal and no format arguments”
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And once again on SO, the detailed and good answers fall to the wayside. THANK YOU for explaining this fully. I would've never figured this out.
– Dan Rosenstark
Feb 27 '10 at 14:29
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