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Why does Math.floor return a double?
...nteger as a double is the right thing to do here because it offers a much wider usefull number-range than a integer could.
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How to remove last n characters from every element in the R vector
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Also consider the strptime function, I haven't used timezones before though. I think it might recognize it. Supposedly "%Z" recognizes time zones. I also removed the sapply function. I forgot how much R likes to vectorize it's fun...
How to implement a confirmation (yes/no) DialogPreference?
...itle("Title")
.setMessage("Do you really want to whatever?")
.setIcon(android.R.drawable.ic_dialog_alert)
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
Toast.makeText(MainActivity.this, "Ya...
ng-options with simple array init
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You're off topic. You didn't understand the instructions. He want value in his select.
– EpokK
Aug 13 '13 at 6:41
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Share data between AngularJS controllers
... data entered in one input is later used in multiple display locations outside the original controller. Code below and in jsfiddle here .
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Why is Scala's immutable Set not covariant in its type?
... this is Russell's paradox: if anything can be a member of a set, then consider the Set R of sets which are not members of themselves. Then ask the question, is R a member of R?
– oxbow_lakes
Jan 11 '10 at 22:39
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How do I call setattr() on the current module?
...but it will work when you call vars() at module-level scope rather than inside of a function.
– Mike Graham
May 29 '10 at 3:06
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Print function log /stack trace for entire program using firebug
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Firefox provides console.trace() which is very handy to print the call stack. It is also available in Chrome and IE 11.
Alternatively try something like this:
function print_call_stack() {
var stack = new Error().stack;
console.l...
Xcode 4 - detach the console/log window
... (drag it off the tab bar into its own window by just letting it drop outside the current window). Now reform it to your hearts content; it will stay that way. Also don't forget the little controls at the top right of the console window that slide the local variable display out of the way so you ca...
Why wasn't PyPy included in standard Python?
...for running glue code or trivial scripts.
PyPy and CPython behavior is not identical in all respects, especially when it comes to "implementation details" (behavior that is not specified by the language but is still important at a practical level).
CPython runs on more architectures than PyPy and ha...