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Does the ternary operator exist in R?
...gt; x
[1] 1 2 1
> x <- ifelse(a==2, 1, 2)
> x
[1] 2 1 2
Just kidding, you can define c-style ?::
`?` <- function(x, y)
eval(
sapply(
strsplit(
deparse(substitute(y)),
":"
),
function(e) parse(text = e)
...
Does Dispose still get called when exception is thrown inside of a using statement?
...exists. It won't, however, call Close() directly as it only checks for the IDisposable interface being implemented and hence the Dispose() method.
See also:
Intercepting an exception inside IDisposable.Dispose
What is the proper way to ensure a SQL connection is closed when an exception is thrown...
Returning first x items from array
...re probably looked at the wrong page. My copy-pasted statement is still valid: php.net/manual/en/function.array-splice.php
– Andrejs Cainikovs
Dec 12 '16 at 15:24
...
How to skip to next iteration in jQuery.each() util?
...ly, so in order for the loop to continue you need to end the processing inside the function.
– TJ L
Jun 7 '18 at 17:10
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How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
...
Why does Pycharm's inspector complain about “d = {}”?
... are trying to solve I can't express a qualified opinion, but have you considered starting with d = { 'aaa': f1(something) } then d = f2(d) then d = f3(d) etc... Or alternatively d['bbb'] = f2(d), d['ccc'] = f3(d) ...?
– mac
Aug 10 '16 at 21:15
...
How do I prevent a Gateway Timeout with FastCGI on Nginx
...re client_header_timeout, client_body_timeout and send_timeout.
Edit: Considering what's found on nginx wiki, the send_timeout directive is responsible for setting general timeout of response (which was bit misleading). For FastCGI there's fastcgi_read_timeout which is affecting the fastcgi process...
How can I make a JUnit Test wait?
...aying something like Using Thread.sleep in a test is just generally a bad idea. It creates brittle tests that can fail unpredictably depending on environment ("Passes on my machine!") or load. Don't rely on timing (use mocks) or use libraries such as Awaitility for asynchroneous testing.
...
Java Synchronized Block for .class
...
To add to the other answers:
static void myMethod() {
synchronized(MyClass.class) {
//code
}
}
is equivalent to
static synchronized void myMethod() {
//code
}
and
void myMethod() {
synchronized(this) {
//code
}
}
is equivalent to
synchr...
How to use Chrome's network debugger with redirects
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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