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Filter data.frame rows by a logical condition

... To select rows according to one 'cell_type' (e.g. 'hesc'), use ==: expr[expr$cell_type == "hesc", ] To select rows according to two or more different 'cell_type', (e.g. either 'hesc' or 'bj fibroblast'), use %in%: expr[expr$...
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Can I split an already split hunk with git?

...width: 300px; } .another { width: 420px; } Now let's change the style selectors in the middle block, and while we're at it, delete some old commented-out style we don't need anymore. .classname { width: 440px; } #user-register form.table-form .field-type-checkbox label { width: 300px; } ...
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ORA-30926: unable to get a stable set of rows in the source tables

... could do something like this: MERGE INTO table_1 a USING (SELECT distinct ta.ROWID row_id FROM table_1 a ,table_2 b ,table_3 c WHERE a.mbr = c.mbr AND b.head = c.head AND b.type_of_action <> '6') src ON ( a....
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Linq with group by having count

... from c in db.Company group c by c.Name into grp where grp.Count() > 1 select grp.Key Or, using the method syntax: Company .GroupBy(c => c.Name) .Where(grp => grp.Count() > 1) .Select(grp => grp.Key); ...
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How to get the text node of an element?

...his.nodeType == Node.TEXT_NODE; }).text(); This gets the contents of the selected element, and applies a filter function to it. The filter function returns only text nodes (i.e. those nodes with nodeType == Node.TEXT_NODE). ...
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CryptographicException 'Keyset does not exist', but only through WCF

...t; Run -> MMC File -> Add/Remove Snapin Add the Certificates Snap In Select Computer Account, then hit next Select Local Computer (the default), then click Finish On the left panel from Console Root, navigate to Certificates (Local Computer) -> Personal -> Certificates Your certificate ...
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How do I access the $scope variable in browser's console using AngularJS?

...ular.element($0).scope() In WebKit and Firefox, $0 is a reference to the selected DOM node in the elements tab, so by doing this you get the selected DOM node scope printed out in the console. You can also target the scope by element ID, like so: angular.element(document.getElementById('yourElem...
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Failed to allocate memory: 8

...ini (Device Ram Size in the Hardware list of the GUI). Make sure to either select a "skin" that has a lower value, or to use a manual resolution and to remove this line from the Hardware list - you can't remove it when a skin is selected. – RedGlyph Nov 2 '12 a...
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How do I remove version tracking from a project cloned from git?

...efer to this article for a visual guide In the view menu on the toolbar, select Options In the Advanced Settings section, find Hidden files and Folders under the Files and Folders list and select Show hidden files and folders Close the options menu and you should see all hidden folders and files ...
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Copy to Output Directory copies folder structure but only want to copy files

...UnchangedFiles="true" /> </Target> This allows you to select "RootContent" as the Build Action in the Properties window, and all can be accessed via the GUI. A more complete explanation: the "AvailableItemName" option basically creates a new named-list that you can assign items ...