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Set a default parameter value for a JavaScript function
...` below lets you call the function without any parameters
function myFor({ start = 5, end = 1, step = -1 } = {}) { // (A)
// Use the variables `start`, `end` and `step` here
···
}
Pre ES2015,
There are a lot of ways, but this is my preferred method — it lets you pass in anything you ...
Tracing XML request/responses with JAX-WS
...
Before starting tomcat, set JAVA_OPTS as below in Linux envs. Then start Tomcat. You will see the request and response in the catalina.out file.
export JAVA_OPTS="$JAVA_OPTS -Dcom.sun.xml.ws.transport.http.client.HttpTransportPipe....
How to move Jenkins from one PC to another
...up Directory
On Target Jenkins go to ThinBackup --> Restore, and then restart Jenkins service.
If some Plugins or Jobs are missing, copy the backup content directly to the target JENKINS_HOME.
If you had user authentication on the source Jenkins, and now locked out on the target Jenkins, then edi...
Purpose of Trigraph sequences in C++?
...ve to remember when you're typing the two '?' characters that you might be starting a trigraph (and it's certainly never something I'm thinking about).
In practice, trigraphs and digraphs are something I don't worry about at all on a day-to-day basis. But you should be aware of them because once...
How to make connection to Postgres via Node.js
...d myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be, or ...
Why are Python's 'private' methods not actually private?
...
@ThorSummoner Or just function_call.startswith('self.').
– nyuszika7h
Aug 27 '14 at 8:52
13
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how to hide a vertical scroll bar when not needed
...iv ends up cutting off the textbox, so even though it looks like it should start scrolling when the text is taller than 159px it won't start scrolling until the text is taller than 400px which is the height of the textbox.
Try this: http://jsfiddle.net/G9rfq/1/
I set overflow:auto on the text box,...
Check if string matches pattern
...t very simple explanation, but I'm not clear. You are correct that it does start from the beginning of the string though.
– CrazyCasta
Nov 11 '16 at 20:10
add a comment
...
Best way to serialize an NSData into a hexadeximal string
...wift version
One liner:
let hexString = UnsafeBufferPointer<UInt8>(start: UnsafePointer(data.bytes),
count: data.length).map { String(format: "%02x", $0) }.joinWithSeparator("")
Here's in a reusable and self documenting extension form:
extension NSData {
func base16EncodedString(upp...
Most concise way to convert a Set to a List
...ne of the elements are null, and the only weird I notice is that the index starts at 1. However, if I just create a normal list the index starts at 0. Weird?
– Jack
Feb 19 '16 at 15:04
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