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Where to put include statements, header or source?
...mely traditional C programmers still follow this model (religiously, in at least some cases).
More recently, there's a movement toward making most headers standalone. If that header requires something else, the header itself handles that, ensuring that whatever it needs is included (in the correct ...
How to delete a row by reference in data.table?
... previously. It would be better to capture the original environment but at least in globalenv it is memory efficient and acts like a change by ref.
delete <- function(DT, del.idxs)
{
varname = deparse(substitute(DT))
keep.idxs <- setdiff(DT[, .I], del.idxs)
cols = names(DT);
DT.sub...
What is a rune?
...cent Unicode 6.3, there are over 110,000 symbols defined. This requires at least 21-bit representation of each code point, so a rune is like int32 and has plenty of bits.
– Rick-777
Oct 12 '13 at 12:08
...
Is there a “do … while” loop in Ruby?
...ce between that and a regular while loop is that it's guaranteed to run at least once. It's just close enough to do...while to cause problems.
– user1992284
Jun 12 '13 at 9:54
...
Detect blocked popup in Chrome
...e loading before running the test. It's not perfect, but it should work at least 95% of the time.
Here's the code I use for cross-browser detection, without the Chrome part.
function _hasPopupBlocker(poppedWindow) {
var result = false;
try {
if (typeof poppedWindow == 'undefined')...
Dependent DLL is not getting copied to the build output folder in Visual Studio
...anage it two places ("manage" as in upgrade or remove). With this hack, at least you get a nice compile time error reminding you to remove this hack when you remove the dependency, and you still only need to update it in one place.
– jpmc26
Sep 21 '16 at 19:35
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What is SaaS, PaaS and IaaS? With examples
...e is not only a IaaS, it is more than that. IaaS is probably what Azure is least used for. It's more of a PaaS ( cloud services, azure web sites, WAAD, HDInsight , etc).
– Illuminati
Jan 12 '15 at 0:56
...
What are the dark corners of Vim your mom never told you about? [closed]
...
Your command assumes one will spend at least 15 minutes in vim!
– e2-e4
Jul 11 '14 at 5:14
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Difference between onStart() and onResume()
...fter which you can begin the interaction.
Additionally onRestart() is the least understood one. We can ask the question as to why not directly go to onStart() or onResume() after onStop() instead of onRestart().
It becomes easier to understand if we note that onRestart() is partially equivalent to ...
Which is better, return value or out parameter?
... Well the code won't even compile for one ... and it should at least mention that it's considered bad practice / not preferred.
– Chad Grant
May 1 '09 at 9:58
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