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Xcode 4 - build output directory
... derived data location (recommended)
Place build products in locations specified by targets
Update:
On xcode 4.6.2 you need to click the advanced button on the right side below the derived data text field. Build Location select legacy.
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How to get a tab character?
...can copy and paste one here: . (You can't see the full width of it, but if you click to edit my question, you will see the character.) If I can copy and paste a tab character, there should be a unicode equivalent that can be coded into html. I know it doesn't exist, but this is a mystery I've nev...
App Inventor 2 OCR 自研拓展：离线图片文字识别（Tesseract 5） · App Inventor 2 中文网
...Initialize {
OCR1.Init();
}
when OCR1.Initialized(success, message) {
if (success) {
标签1.Text = "OCR 就绪，点按钮开始识别";
} else {
标签1.Text = "初始化失败：" + message;
}
}
when 按钮1.Click {
OCR1.RecognizeImageComponent(图像1);
}
when OCR1.GotText(t...
LINQ Using Max() to select a single row
...ult = table.OrderByDescending(x => x.Status).First();
This is helpful if table is an IEnumerable<T> that is not present in memory or that is calculated on the fly.
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MySQL Select Date Equal to Today
... correct, it does not scale well (cannot use an index on signup_date, even if such an index exists). Prefer Serjio's solution.
– RandomSeed
Oct 21 '15 at 8:01
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Specify multiple attribute selectors in CSS
...ide note, using quotation marks around an attribute value is required only if this value is not a valid identifier.
JSFiddle Demo
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Convert JS date time to MySQL datetime
...to convert JS dateTime to MySQL datetime? Also is there a way to add a specific number of minutes to JS datetime and then pass it to MySQL datetime?
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How to set initial size of std::vector?
... in my experience, it's fairly unusual for either of these to make a huge difference in performance--but either can affect correctness under some circumstances. In particular, as long as no reallocation takes place, iterators into the vector are guaranteed to remain valid, and once you've set the si...
D3.js: How to get the computed width and height for an arbitrary element?
...ns(selection) {
var dimensions = null;
var node = selection.node();
if (node instanceof SVGGraphicsElement) { // check if node is svg element
dimensions = node.getBBox();
} else { // else is html element
dimensions = node.getBoundingClientRect();
}
console.log(dimensions);
ret...
Sql Server equivalent of a COUNTIF aggregate function
...QLite has no ISNULL, instead you can do CASE WHEN myColumn IS NULL, or use ifnull ( stackoverflow.com/a/799406/1861346 )
– Matt
Oct 28 '17 at 2:55
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