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Nested classes' scope?
I'm trying to understand scope in nested classes in Python. Here is my example code:
6 Answers
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Android: Expand/collapse animation
... actual solution. The main advantage is that you don't have to know the expanded height to apply the animation and once the view is expanded, it adapts height if content changes. It works great for me.
public static void expand(final View v) {
int matchParentMeasureSpec = View.MeasureSpec.makeM...
How to use the PI constant in C++
I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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How to change the remote a branch is tracking?
... to be set up on a new server, so I created a new remote on my local repo, and pushed to that.
13 Answers
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What is the difference between the mouseover and mouseenter events?
...ry doc page. It's a nice little, interactive demo that makes it very clear and you can actually see for yourself.
var i = 0;
$("div.overout")
.mouseover(function() {
i += 1;
$(this).find("span").text("mouse over x " + i);
})
.mouseout(function() {
$(this).find("span").t...
How to prevent SIGPIPEs (or handle them properly)
...that accepts connections on a TCP or local UNIX socket, reads a simple command and, depending on the command, sends a reply. The problem is that the client may have no interest in the answer sometimes and exits early, so writing to that socket will cause a SIGPIPE and make my server crash. What's th...
Cleanest way to write retry logic?
...imply retry the same call can be dangerous if used as a general exception handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public st...
Stopping a CSS3 Animation on last frame
...
You're looking for:
animation-fill-mode: forwards;
More info on MDN and browser support list on canIuse.
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What is the difference between async.waterfall and async.series
...s://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
4 Answers
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sizeof single struct member in C
... this:
#define member_size(type, member) sizeof(((type *)0)->member)
and use it like this:
typedef struct
{
float calc;
char text[255];
int used;
} Parent;
typedef struct
{
char flag;
char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surpri...