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How can two strings be concatenated?
...
or if you often want to join strings from a vector (like implode() from PHP):
implode <- function(..., sep='') {
paste(..., collapse=sep)
}
Allows you do do this:
p('a', 'b', 'c')
#[1] "abc"
vec <- c('a', 'b', 'c')
implode(vec)
#[1] "abc"
implode(vec, sep=', ')
#[1] "a, b, c"
Als...
Python != operation vs “is not”
...
@MatrixFrog: In PHP or JavaScript we would say that is is like === (very equal), and conversely is not is like !== (not exactly equal).
– Orwellophile
Apr 2 '17 at 1:43
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How to use the PI constant in C++
...rd library which is magnitudes bigger than C++' (e.g. Python, Haskell, C#, PHP, Delphi, Erlang, Java, ......). From personal experience, that elitist not gonna use libs-opinion is a pest and probably the number one reason for bad software written in C++.
– Sebastian Mach
...
How to call an external command?
...at you want in a CGI script. The problem is not specific to Python; in the PHP community the problems are the same.
The solution is to pass DETACHED_PROCESS Process Creation Flag to the underlying CreateProcess function in Windows API.
If you happen to have installed pywin32, you can import the fla...
Is there any way to put malicious code into a regular expression?
...ar Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
If you only ...
How to log cron jobs?
... @Danijel serverfault.com/a/117365/193377 0 0 * * * /some/path/to/a/file.php > $HOME/date +\%Y\%m\%d\%H\%M\%S-cron.log 2>&1
– AnneTheAgile
Oct 11 '17 at 22:11
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Detect Click into Iframe using JavaScript
....blur( function() {
if( overiFrame != -1 )
$.post('log.php', {id:overiFrame}); /* example, do your stats here */
});
});
Very elegant solution with a minor downside: if a user presses ALT-F4 when hovering the mouse over an iFrame it will log it as a click. This only happene...
Differences between action and actionListener
...that describes the relationship:
http://www.java-samples.com/showtutorial.php?tutorialid=605
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Which characters are valid in CSS class names/selectors?
...ger's comment over two years later, according to w3counter.com/globalstats.php IE6 is now used by less than 3% of users, behind IE9 on 4%, IE7 on 9%, IE8 on 22%. All versions of Firefox have 28%, all versions of Chrome have 17%.
– Daniel Earwicker
Jun 15 '11 at...
What is the difference between inversedBy and mappedBy?
... write code on the fly cannot ever been considered best practice, it's not php native, and even not included by default in all frameworks. Having all the info about an entity in one place is an anti-argument. Since when grouping all your code into one place is a good thing ? It is a pain to write, a...