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How to loop backwards in python? [duplicate]
...
for x in reversed(whatever):
do_something()
This works on basically everything that has a defined order, including xrange objects and lists.
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ADB No Devices Found
...s under C:\Users\<userid>\AppData\Local\Android\sdk\extras\google\usb_driver. Note that AppData is a hidden directory. I also had to confirm that I really want to install this driver although Windows claimed it wasn't compatible. But it works. Phew, quite bizarre process...
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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...释放对象拥有权限、引用计数等，控制权转移等）。auto_ptr 即是一种常见的智能指针。
智能指针通常用类模板实现：
template <class T>
class smartpointer
{
private:
T *_ptr;
public:
smartpointer(T *p) : _ptr(p) //构造函数
{
}
T& oper...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...有几个。下面的代码执行了这个任务：
RemovableDeviceInfo_vt Functions::SearchRemovalDisks()
{
RemovableDeviceInfo_vt devInfos; //result
/*GUID_DEVCLASS_DISKDRIVE*/
CONST CLSID CLSID_DeviceInstance = { 0x4D36E967, 0xE325, 0x11CE, { 0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe...
How to get the width and height of an android.widget.ImageView?
...eight, finalWidth;
final ImageView iv = (ImageView)findViewById(R.id.scaled_image);
final TextView tv = (TextView)findViewById(R.id.size_label);
ViewTreeObserver vto = iv.getViewTreeObserver();
vto.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
public boolean onPreDraw() {
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UILabel sizeToFit doesn't work with autolayout ios6
...s = [NSLayoutConstraint constraintsWithVisualFormat:@"|-8-[descriptionLabel_]-8-|" options:0 metrics:nil views:NSDictionaryOfVariableBindings(descriptionLabel_)];
[self addConstraints:constrs];
[self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|-8-[descriptionLabel_]" options:...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
...e(u"Â ", u"") But in Python 3, just use quotes. In Python 2, you can from __future__ import unicode_literals to obtain the Python 3 behavior, but be aware this affects the entire current module.
s.replace(u"Â ", u"") will also fail if s is not a unicode string.
string.replace returns a new string ...
How to open multiple pull requests on GitHub
...our branch first!)
And it will open a new pull request on GitHub for "YOUR_USER:feature".
If you've already created an issue on GitHub, you can even attach a pull request to that existing issue (something you can't do from the web UI):
$ git pull-request -i 123
[ attached pull request to issue #1...
Check a radio button with javascript
...identifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
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Android SDK installation doesn't find JDK
... Doesn't work for me on Windows 7 x64. I'm not joking. I set JAVA_HOME and I tried clicking back and next several times, but it's still not working. Neither does running SDK Manager.exe from the archive and I am positive I have JDK 7 installed (even ran the installer again and it told me i...