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What happens when a computer program runs?
...-+
| stack | function-local variables, return addresses, return values, etc.
| | often grows downward, commonly accessed via "push" and "pop" (but can be
| | accessed randomly, as well; disassemble a program to see)
+---------+
| shared | mapped shared libraries (C libraries, ...
Where do I find the bashrc file on Mac?
...ks='du -cks * | sort -rn | head -15'
# Source global definitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc
fi
PATH=$PATH:/home/username/bin:/usr/local/homebrew
export PATH
If you create your own .bashrc file make sure that the following line is in your ~/.bash_profile
# Get the aliases and ...
I want to get Year, Month, Day, etc from Java Date to compare with Gregorian Calendar date in Java.
...th = cal.get(Calendar.MONTH);
int day = cal.get(Calendar.DAY_OF_MONTH);
// etc.
Beware, months start at 0, not 1.
Edit: Since Java 8 it's better to use java.time.LocalDate rather than java.util.Calendar. See this answer for how to do it.
...
How do I change bash history completion to complete what's already on the line?
...
You may need to enabled bash completion.
Check
/etc/profile
/etc/bash.bashrc
~/.bashrc
to see if any of the above files source /etc/bash_completion. i.e.
. /etc/bash_completion
If /etc/bash___completion is not sourced by any of the above files you will need to add i...
What is the difference between JSON and Object Literal Notation?
...ge-independent, meaning they can be processed by Java, Python, JavaScript, PHP, you name it.
In contrast, JavaScript is a programming language. Of course JavaScript also provides a way to define/describe data, but the syntax is very specific to JavaScript.
As a counter example, Python has the conc...
对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e depend
jiulongproxynew# make
jiulongproxynew# make install
3、配置/etc/rc.conf：
hostname="jiulongproxynew.jscpu.com"
defaultrouter="221.6.117.97"
ifconfig_em0="inet 221.6.117.50 netmask 255.255.255.240"
ifconfig_em1="inet 128.0.0.4 netmask 255.255.252.0"
sendmail_enable="NONE"
inet...
Real World Example of the Strategy Pattern
...e would look the same:
File file = getFile();
Cipher c = CipherFactory.getCipher( file.size() );
c.performAction();
// implementations:
interface Cipher {
public void performAction();
}
class InMemoryCipherStrategy implements Cipher {
public void performAction() {
...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
...at calls this method, then the whole statement, then the containing block, etc.:
Ctrl+W
Basic Code Completion, to complete methods, keywords etc.:
Ctrl+Space
Go to Declaration. Use this to navigate to the declaration of a class, method or variable used somewhere in the code:
Ctrl+B
Introduce Vari...
How to install Maven 3 on Ubuntu 18.04/17.04/16.10/16.04 LTS/15.10/15.04/14.10/14.04 LTS/13.10/13.04
... it if apt-get update gives a NO_PUBKEY error after manually adding it to /etc/apt/sources.list
Open a terminal and run the following:
sudo -i
Enter your password if necessary, then paste the following into the terminal:
export GOOD_RELEASE='precise'
export BAD_RELEASE="`lsb_release -cs`"
cd /...
Foreign key constraints: When to use ON UPDATE and ON DELETE
... therefore NULL may be preferable for this index.
– CPHPython
Aug 29 '16 at 12:02
1
@regilero, it...