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How to launch Safari and open URL from iOS app
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Here's what I did:
I created an IBAction in the header .h files as follows:
- (IBAction)openDaleDietrichDotCom:(id)sender;
I added a UIButton on the Settings page containing the text that I want to link to.
I connected the button to IBA...
Is JavaScript a pass-by-reference or pass-by-value language?
...ects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself).
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Android: Vertical ViewPager [closed]
...rolling with a vertical instead of a horizontal drag you will have to override ViewPager's default touch events and swap the coordinates of MotionEvents prior to handling them, e.g.:
/**
* Uses a combination of a PageTransformer and swapping X & Y coordinates
* of touch events to create the i...
javascript scroll event for iPhone/iPad?
...d all the time now, while panning, and after panning, while decelerating. did something change ?
– commonpike
Apr 21 '15 at 21:18
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Chrome doesn't delete session cookies
...ome, the issue has been reported: code.google.com/p/chromium/issues/detail?id=128513 and marked WONTFIX. So obviously, Google doesn't give a f*** about following web standards and security holes in Chrome and neither does FF. See FF bug (at least not closed): bugzilla.mozilla.org/show_bug.cgi?id=443...
Aggregate / summarize multiple variables per group (e.g. sum, mean)
...reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.560...
C++ templates Turing-complete?
...a compiler error in your template code and you will be in for a long hard ride.
But a good practical example of it being used for something useful:
Scott Meyers has been working extensions to the C++ language (I use the term loosely) using the templating facilities. You can read about his work h...
Why is this inline-block element pushed downward?
...d remove the clutter first.
1 -
Why not give all three divs same border width?
Let's give it.
2 - Does floating element has any connection with inline-block element being pushed downward?
No, it has nothing to do with it.
So, we have removed that div altogether. And you are witnessing same behav...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
How can I bind to the change event of a textarea in jQuery?
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Try this actually:
$('#textareaID').bind('input propertychange', function() {
$("#yourBtnID").hide();
if(this.value.length){
$("#yourBtnID").show();
}
});
DEMO
That works for any changes you make, typing, cutting, pasting.
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