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INNER JOIN vs LEFT JOIN performance in SQL Server
...asing the total execution time simply due to the larger size of the result set.
(And even if a LEFT JOIN were faster in specific situations due to some difficult-to-imagine confluence of factors, it is not functionally equivalent to an INNER JOIN, so you cannot simply go replacing all instances of ...
Difference between window.location.href, window.location.replace and window.location.assign
...matter what the user does (again the "user friendliness" is questionable), set up a window.onunload handler that just reloads your page all over again clear from the very beginning every time.
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Cross-browser custom styling for file upload button [duplicate]
I'm trying to style a file upload button to my personal preferences, but I couldn't find any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach .
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How to avoid explicit 'self' in Python?
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App Inventor 2 SideBarV2 侧边栏拓展 · App Inventor 2 中文网
...局_内容,
["首页", "消息", "设置"],
["home", "message", "settings"],
"sidebar_background.png")
}
when 按钮_菜单.Click() {
SidebarV2_1.Show()
}
when SidebarV2_1.AfterSelecting(itemPosition, itemValue, iconCode) {
标签_状态.Text = itemValue
SidebarV2_1.Hide()
}
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Differences between Octave and MATLAB? [closed]
I'm a programmer who knows Python, Ruby and some C who is trying to decide whether to learn GNU Octave or Matlab. I know that they have a lot in common , but it isn't clear to me how similar the syntax is or even the data structures are. The above link shows several examples where they are syntacti...
How to disable the warning 'define' is not defined using JSHint and RequireJS
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Just to expand a bit, here's a .jshintrc setup for Mocha:
{
....
"globals" : {
/* MOCHA */
"describe" : false,
"it" : false,
"before" : false,
"beforeEach" : false,
"after" : false,
"afterEach" : false
}
}
F...
Purpose of memory alignment
... get it. Say you have a memory with a memory word of length of 1 byte. Why can't you access a 4 byte long variable in a single memory access on an unaligned address(i.e. not divisible by 4), as it's the case with aligned addresses?
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How to get the current date without the time?
...y type in .NET.
The convention is to use a DateTime with the time portion set to midnight.
The static DateTime.Today property will give you today's date.
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How to remove first 10 characters from a string?
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The Substring has a parameter called startIndex. Set it according to the index you want to start at.
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