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Where to place the 'assets' folder in Android Studio?
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Select the app folder and then:
File > New > folder > assets Folder ,
the default location is inside /main folder
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
...);
editor.putString("text", mSaved.getText().toString());
editor.putInt("selection-start", mSaved.getSelectionStart());
editor.putInt("selection-end", mSaved.getSelectionEnd());
editor.apply();
To retrieve data from sharedpreference
SharedPreferences prefs = getPreferences(MODE_PRIVATE);
Str...
Get an object properties list in Objective-C
...with 0s. This can lead to unexpected results like crashing while trying to convert it to UTF8 (I actually had a pretty annoying crashbug just because of that. Was fun debugging it ^^). I fixed it by actually getting an NSString from the attribute and then calling cStringUsingEncoding:. This works li...
Why does Math.Floor(Double) return a value of type Double?
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Convert.ToInt32(Math.Floor(Convert.ToDouble(value)))
This will give you the exact value what you want like if you take 4.6 it returns 4 as output.
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How do I use Linq to obtain a unique list of properties from a list of objects?
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IEnumerable<int> ids = list.Select(x=>x.ID).Distinct();
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Why can't I see the “Report Data” window when creating reports?
...ther answer, make sure you have a report open and are currently "focused" (selected) on some part of the report! Then, and ONLY THEN, will it show up in the menu and be accessible via the shortcut!
– D.R.
Jul 15 '14 at 17:55
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Select Last Row in the Table
I would like to retrieve the last file inserted into my table. I know that the method first() exists and provides you with the first file in the table but I don't know how to get the last insert.
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单选框使用指导 · App Inventor 2 中文网
...素列表」；用户点选后触发选择完成时（选择项）（AfterSelecting）。
默认一项都不选（选中项索引为 0），提交前记得判断用户选了没有；在代码里设置选中项不会触发事件。
快速上手：性别选择
拖一个单...
Python - abs vs fabs
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math.fabs() converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs() also works with integers and complex numbers. I...
How to delete a row by reference in data.table?
...el.idxs' vs. 'keep.idxs'
keep.idxs <- setdiff(DT[, .I], del.idxs); # select row indexes to keep
cols = names(DT);
DT.subset <- data.table(DT[[1]][keep.idxs]); # this is the subsetted table
setnames(DT.subset, cols[1]);
for (col in cols[2:length(cols)]) {
DT.subset[, (col) := DT[...