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Include another HTML file in a HTML file
...include]');
– jbyrd
Dec 8 '16 at 19:32
not working on chrome with local files "Cross origin requests are only supporte...
Which timestamp type should I choose in a PostgreSQL database?
...-aware dates are stored internally in UTC?
– user533832
Aug 4 '11 at 21:35
2
The point of the che...
Check for internet connection availability in Swift
... return false
}
let isReachable = (flags & UInt32(kSCNetworkFlagsReachable)) != 0
let needsConnection = (flags & UInt32(kSCNetworkFlagsConnectionRequired)) != 0
return isReachable && !needsConnection
}
}
For Swift > 3.0
public clas...
C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...s;
}
}
private:
std::unique_ptr<T> ptr_;
std::atomic_uint32_t cnt_;
};
仔细观察可以发现：
每一次的读取操作对应引用计数中增加的数值 1；
当所有的读取操作都完成时引用计数归 0，此时内存可以安全回收。
总结起来，当...
Hadoop “Unable to load native-hadoop library for your platform” warning
...ibrary $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
Here is the way if you do want to eliminate this warning, download the source code of Hadoop and recompile libhadoop.so.1.0.0 on 64bit system...
Why doesn't ruby support method overloading?
...
answered Feb 21 '12 at 15:32
Jörg W MittagJörg W Mittag
325k6969 gold badges400400 silver badges603603 bronze badges
...
Authenticate with GitHub using a token
... |
edited Feb 20 at 0:32
BMW
30.9k99 gold badges7272 silver badges9090 bronze badges
answered Sep 21...
Actionbar notification count icon (badge) like Google has
..._content"
android:layout_height="wrap_content"
android:minWidth="32dp"
android:minHeight="32dp"
android:background="@drawable/shape_notification"
android:text="0"
android:textSize="16sp"
android:textColor="@android:color/white"
android:gravity="center"
an...
Should I embed images as data/base64 in CSS or HTML
...sides:
Doesn't work at all in IE6 and 7.
Works for resources only up to 32k in size in IE8. This is the limit that applies after base64 encoding. In other words, no longer than 32768 characters.
It saves a request, but bloats the HTML page instead! And makes images uncacheable. They get loaded ...
Convert SVG to PNG in Python
...disk:
import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cairo(ctx)
img.write_to_png("svg.png")
Upd...