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Git: “Not currently on any branch.” Is there an easy way to get back on a branch, while keeping the
...
If you have not committed:
git stash
git checkout some-branch
git stash pop
If you have committed and have not changed anything since:
git log --oneline -n1 # this will give you the SHA
git checkout some-branch
git merge ...
Using Default Arguments in a Function
...you can do what you want:
function foo($blah, $x = null, $y = null) {
if (null === $x) {
$x = "some value";
}
if (null === $y) {
$y = "some other value";
}
code here!
}
This way, you can make a call like foo('blah', null, 'non-default y value'); and have it ...
场景模板（HarmonyScenarioKit）使用指导 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
... to stretch all the way to the bottom of the page but it's only stretching if there's content to display. The reason I want to do this is so the vertical border still appears down the page even if there isn't any content to display.
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Programmatically saving image to Django ImageField
...e os.path.basename bit) and a django.core.files.File object.
Let me know if you have questions or need clarification.
Edit: for the sake of clarity, here is the model (minus any required import statements):
class CachedImage(models.Model):
url = models.CharField(max_length=255, unique=True)
...
jQuery `.is(“:visible”)` not working in Chrome
... or "inline-block" to make it work.
Also note that jQuery has a somewhat different definition of what is visible than many developers:
Elements are considered visible if they consume space in the document.
Visible elements have a width or height that is greater than zero.
In other words, an...
ASP.NET MVC Relative Paths
...~/Scripts/jquery-1.2.6.js")%> make the server render the path, whereas, if you used "/Scripts/jquery-1.2.6.js", it would just be served straight up to the client, therefore, reducing one more thing the server has to do? I thought i read somewhere the more you can avoid having the server process,...
传感器组件 · App Inventor 2 中文网
...内容；本机不支持时提示改用密码：
when 按钮1.Click() {
if (生物识别1.IsAvailable()) {
生物识别1.Authenticate("查看隐私内容", "请验证指纹或人脸")
} else {
标签1.Text = "本机不支持指纹或人脸，请用密码登录"
}
}
when 生物识别1...
Finding sum of elements in Swift array
...hat is the easiest (best) way to find the sum of an array of integers in swift?
I have an array called multiples and I would like to know the sum of the multiples.
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Case-insensitive string comparison in C++ [closed]
...
std::string str1 = "hello, world!";
std::string str2 = "HELLO, WORLD!";
if (boost::iequals(str1, str2))
{
// Strings are identical
}
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