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How to deep watch an array in angularjs?
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$scope.$watch('data', function (newVal, oldVal) { /*...*/ }, true);
See https://docs.angularjs.org/api/ng/type/$rootScope.Scope#$watch
Since Angular 1.1.x you can also use $watchCollection to watch shallow watch (just the "first level" of) the collection.
$scope.$watchCollection('data', functio...
How to declare a global variable in php?
...'];
}
From the Manual:
An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array.
If you have a set of functions that need some common variables, a class with properties may be a g...
Modify tick label text
...plt.plot(x,y, 'r')
plt.xticks(x, labels, rotation='vertical')
plt.show()
http://matplotlib.org/examples/ticks_and_spines/ticklabels_demo_rotation.html
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Could not reserve enough space for object heap
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Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[
– Nilzor
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Convert hex string to int in Python
... 16)
With the 0x prefix, Python can distinguish hex and decimal automatically.
>>> print int("0xdeadbeef", 0)
3735928559
>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume ba...
iOS 7 - Status bar overlaps the view
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Xcode 5 has iOS 6/7 Deltas which is specifically made to resolve this issue. In the storyboard, I moved my views 20 pixels down to look right on iOS 7 and in order to make it iOS 6 compatible, I changed Delta y to -20.
Since my storyboard is not using auto-layout,...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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output {
file {
path => "/data/log/logstash/all.log" # 指定写入文件路径
message_format => "%{host} %{message}" # 指定写入格式
flush_interval => 0 # 指定刷新间隔，0代表实时写入
}
}
如...
Is the practice of returning a C++ reference variable evil?
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In general, returning a reference is perfectly normal and happens all the time.
If you mean:
int& getInt() {
int i;
return i; // DON'T DO THIS.
}
That is all sorts of evil. The stack-allocated i will go away and you are referring to nothing. This is also evil:
int& get...
How do I select a random value from an enumeration?
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Use Enum.GetValues to retrieve an array of all values. Then select a random array item.
static Random _R = new Random ();
static T RandomEnumValue<T> ()
{
var v = Enum.GetValues (typeof (T));
return (T) v.GetValue (_R.Next(v.Length));
}
Test:
for (in...
what is the unsigned datatype?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...