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How do I see if Wi-Fi is connected on Android?
..."android.permission.ACCESS_NETWORK_STATE" />
to your
AndroidManifest.xml for this to work.
NOTE2: public NetworkInfo getNetworkInfo (int networkType) is now deprecated:
This method was deprecated in API level 23. This method does not
support multiple connected networks of the same type....
How to read a text file into a string variable and strip newlines?
I use the following code segment to read a file in python:
23 Answers
23
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How to write to a file, using the logging Python module?
How can I use the logging module in Python to write to a file? Every time I try to use it, it just prints out the message.
...
Adding a library/JAR to an Eclipse Android project
...x as well, something like "droidfu:" which occurs in several places in the XML construct below:
<com.github.droidfu.widgets.WebImageView android:id="@+id/webimage"
android:layout_width="75dip"
android:layout_height="75dip"
android:background="#CCC"
droidfu...
How should I structure a Python package that contains Cython code
I'd like to make a Python package containing some Cython code. I've got the the Cython code working nicely. However, now I want to know how best to package it.
...
Disable ScrollView Programmatically?
...ou can change how an ImageView scales with the android:scaleType property (XML) or the setScaleType method - for instance ScaleType.CENTER will not stretch your image and will center it at it's original size
You could modify ScrollView as follows to disable scrolling
class LockableScrollView ext...
How do I get indices of N maximum values in a NumPy array?
... @LKT use a=np.array([9, 4, 4, 3, 3, 9, 0, 4, 6, 0]) because normal python lists do not support indexing by lists, unlike np.array
– Marawan Okasha
Aug 8 '17 at 19:34
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C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...给Student类，加上一个StructLayoutAttribute，来控制Student类的数据字段的物理布局。修改代码为：
[StructLayout(LayoutKind.Sequential)]
public class Student
{
}
int size = Marshal.SizeOf(new Student()); //1个字节
LayoutKind 默认值为Auto.
结论：
1...
How to split a column into two columns?
...rst two parameters of .str.split() do,
I recommend the docs for the plain Python version of the method.
But how do you go from:
a column containing two-element lists
to:
two columns, each containing the respective element of the lists?
Well, we need to take a closer look at the .str attrib...
原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
...独立运行的版本，代码比较简单，实现分配好空间，然后对元素进行原子交换，扩容采用链表的形式，代码可直接运行。
测试代码：
HPHP::AtomicVector<float> v_atom(2, 0.f);
void atom_vector_hphp() {
v_atom.exchange(0, 1);
v_atom.exchange(1, 2);...