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Find the PID of a process that uses a port on Windows
...-compatible) one-liner to ease copypaste scenarios:
netstat -aon | Select-String 8080 | ForEach-Object { $_ -replace '\s+', ',' } | ConvertFrom-Csv -Header @('Empty', 'Protocol', 'AddressLocal', 'AddressForeign', 'State', 'PID') | ForEach-Object { $portProcess = Get-Process | Where-Object Id -eq $_...
Counting Chars in EditText Changed Listener
...d in one of the answers, but its very inefficient
textMessage.getText().toString().length()
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How do I prevent the padding property from changing width or height in CSS?
... change your div width to 160px
if you have a padding of 20px it adds 40px extra to the width of your div so you need to subtract 40px from the width in order to keep your div looking normal and not distorted with extra width on it and your text all messed up.
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Understanding Spring @Autowired usage
...(Color color) {
this.color = color;
}
The @Resource (you can read some extra data about it in the first comment on this answer) spares you the use of two annotations and instead you only use one.
I'll just add two more comments:
Good practice would be to use @Inject instead of @Autowired beca...
Return 0 if field is null in MySQL
...) returns expr1; otherwise it returns expr2. IFNULL() returns a numeric or string value, depending on the context in which it is used.
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How to set host_key_checking=false in ansible inventory file?
...rgs='-o StrictHostKeyChecking=no'
host:
Add the following.
ansible_ssh_extra_args='-o StrictHostKeyChecking=no'
hosts/inventory options will work with connection type ssh and not paramiko. Some people may strongly argue that inventory and hosts is more secure because the scope is more limited....
How to copy a row and insert in same table with a autoincrement field in MySQL?
...INFORMATION_SCHEMA ... I wonder if you could do it as a sub-query and some string functions? Hmmm...
– Yzmir Ramirez
Feb 6 '12 at 6:35
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PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
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ruby on rails f.select options with custom attributes
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def options_for_select(container, selected = nil)
return container if String === container
container = container.to_a if Hash === container
selected, disabled = extract_selected_and_disabled(selected)
options_for_select = container.inject([]) do |options, element|
html_attrib...
Difference between path.normalize and path.resolve in Node.js
....normalize can handle any paths you might want to normalize and means only string manipulation of the path, while path.resolve will use the filesystem and current directory to resolve the path to an absolute path. This makes them behave quite different as path.normalize might be used on a path insid...