If I understand the question correctly, it is not about rectangular regions originally. C-Spc puts a mark at the current position. Wherever your cursor is afterwards, the text between the last mark and the current position is “selected” (you can highlight this by activating transient-mark-mode, but this will also mean that marks have to be … Read more
Try this: function clearSelection() { if (window.getSelection) {window.getSelection().removeAllRanges();} else if (document.selection) {document.selection.empty();} } This will clear a selection in regular HTML content in any major browser. It won’t clear a selection in a text input or <textarea> in Firefox.
To stop the user from getting annoyed when the whole text gets selected every time they try to move the caret using their mouse, you should do this using the focus event, not the click event. The following will do the job and works around a problem in Chrome that prevents the simplest version (i.e. … Read more
If you want to select all the content of an element (contenteditable or not) in Chrome, here’s how. This will also work in Firefox, Safari 3+, Opera 9+ (possibly earlier versions too) and IE 9. You can also create selections down to the character level. The APIs you need are DOM Range (current spec is … Read more
Multi cursor edit is natively supported in Visual Studio starting from version 2017 Update 8. The following is an extract of the documentation: Ctrl + Alt + click : Add a secondary caret Ctrl + Alt + double-click : Add a secondary word selection Ctrl + Alt + click + drag : Add a secondary … Read more
Just perform a list comprehension to create your columns: In [28]: filter_col = [col for col in df if col.startswith(‘foo’)] filter_col Out[28]: [‘foo.aa’, ‘foo.bars’, ‘foo.fighters’, ‘foo.fox’, ‘foo.manchu’] In [29]: df[filter_col] Out[29]: foo.aa foo.bars foo.fighters foo.fox foo.manchu 0 1.0 0 0 2 NA 1 2.1 0 1 4 0 2 NaN 0 NaN 1 0 3 … Read more
I have done something similar. In your MyAdapter: public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{ public CardView mCardView; public TextView mTextViewTitle; public TextView mTextViewContent; public ImageView mImageViewContentPic; public ImageView imgViewRemoveIcon; public ViewHolder(View v) { super(v); mCardView = (CardView) v.findViewById(R.id.card_view); mTextViewTitle = (TextView) v.findViewById(R.id.item_title); mTextViewContent = (TextView) v.findViewById(R.id.item_content); mImageViewContentPic = (ImageView) v.findViewById(R.id.item_content_pic); //…… imgViewRemoveIcon = (ImageView) … Read more
Having the following XML: <node>Text1<subnode/>text2</node> How do I select either the first or the second text node via XPath? Use: /node/text() This selects all text-node children of the top element (named “node”) of the XML document. /node/text()[1] This selects the first text-node child of the top element (named “node”) of the XML document. /node/text()[2] This … Read more