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How to flatten nested objects with linq expression
...
myBooks.SelectMany(b => b.Chapters
.SelectMany(c => c.Pages
.Select(p => b.Name + ", " + c.Name + ", " + p.Name)));
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Is it possible to Pivot data using LINQ?
...t = GetCustData();
var query = myList
.GroupBy(c => c.CustId)
.Select(g => new {
CustId = g.Key,
Jan = g.Where(c => c.OrderDate.Month == 1).Sum(c => c.Qty),
Feb = g.Where(c => c.OrderDate.Month == 2).Sum(c => c.Qty),
March = g.Where(c => ...
Faster way to develop and test print stylesheets (avoid print preview every time)?
...P (Mac) or Ctrl+Shift+P (Windows, Linux))
2. Start typing Rendering and select Show Rendering.
3. For the Emulate CSS Media dropdown, select print.
UPDATE 29/02/2016
The DevTools docs have moved and the above link provides inaccurate information. The updated docs regarding Media type em...
How to undo another user’s checkout in TFS?
...t-clicking the desired project, folder, or file in Source Control Explorer
Select Properties
Select the Security tab
Select the appropriate user or group in the Users and Groups section at the top
View the "Permissions for [user/group]:" section at the bottom
Deleting the workspace
tf workspace /...
Dynamically select data frame columns using $ and a character value
...and some variable names stored in a character vector cols . When I try to select a variable from mtcars using a dynamic subset of cols , nether of these work
...
Using Chrome's Element Inspector in Print Preview Mode?
...versions).
Check the Emulate print media checkbox at the Rendering tab and select the Print media type.
Chrome v48+ (Thanks Alex for noticing):
Open the Developer Tools (CTRLSHIFTI or F12)
Click the Toggle device mode button in the left top corner (CTRLSHIFTM).
Make sure the console is shown by c...
Delete branches in Bitbucket
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in Bitbucket go to branches in left hand side menu.
Select your branch you want to delete.
Go to action column, click on three dots (...) and select delete.
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improve t...
How to install Xcode Command Line Tools
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Xcode 5.1 and OSX 10.9. (also works with Xcode 5.1.1 + OSX 10.10)
xcode-select --install worked with version 2333, failed with version 2003. So, try xcode-select --install and if that does not work download as described below.
In early February 2014 xcode-select --install has been reporting that...
How do I copy to the clipboard in JavaScript?
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document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'successful' : 'unsuccessful';
console.log('Fallback: Copying text command was ' + msg);
} catch (err) {
consol...
When tracing out variables in the console, How to create a new line?
...separate console.log() for each var, and separate with a comma rather than converting them all to strings? That would give you separate lines, AND give you the true value of each variable rather than the string representation of each (assuming they may not all be strings).
console.log('roleName',ro...