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Where is the “Fold” LINQ Extension Method?
...is in part a consequence of picking a stupid name -- though not as bad as "select" for "map" -- and ignoring existing functional technology. As for Aggregate being a more familiar term in the OO realm ... no, not at all.
– Jim Balter
Aug 23 '13 at 23:16
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How do you fork your own repository on GitHub?
...our repo's main page on github.
Click the + icon in the top right corner.
Select "Import repository".
Where it asks for the "Old URL", paste the URL you copied at step #1
Enter the name of your new repo and click Begin Import.
That's it! You now have a copy of the full repo, with all commit histor...
EditText underline below text property
...above, you can get images from a lot of components in the Holo theme. Just select "EditText" and the color you want. You can see a preview at the bottom of the page.
Download the .zip file, and copy paste the resources in your project (images and the XML).
if your XML is named: apptheme_edit_text_...
Remove a HTML tag but keep the innerHtml
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$('b').contents().unwrap();
This selects all <b> elements, then uses .contents() to target the text content of the <b>, then .unwrap() to remove its parent <b> element.
For the greatest performance, always go native:
var b = document.ge...
Remove file from SVN repository without deleting local copy
...om the folder (xxx.java)
Right click and commit, then a window will open.
Select the file you deleted (xxx.java) from the folder, and again right click and delete.. it will remove the file from SVN.
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Trimming a huge (3.5 GB) csv file to read into R
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My try with readLines. This piece of a code creates csv with selected years.
file_in <- file("in.csv","r")
file_out <- file("out.csv","a")
x <- readLines(file_in, n=1)
writeLines(x, file_out) # copy headers
B <- 300000 # depends how large is one pack
while(length(x)) {
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Disable assertions in Python
...d allow assert statements to be optimized away is by raising them within a selection statement:
if foo_is_broken():
raise AssertionError('Foo is broken!')
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Cannot create an NSPersistentStoreCoordinator with a nil model
...fore they aren't considered the same.
The quickest way to fix this, is to select the xcdatamodel file in your project navigator and in to the menu bar
Editor->Add Model Version...
and add a new version of your model. Make all changes to the new version.
This works in Xcode 5
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Rails: How to list database tables/objects using the Rails console?
...how the tables
.table
'.help' to see help.
Or use SQL statements like 'Select * from cars'
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Find and replace strings in vim on multiple lines
...de (Ctrl+V)
VISUAL LINE mode (Shift+V, works best in your case)
Once you selected the lines to replace, type your command:
:s/<search_string>/<replace_string>/g
You'll note that the range '<,'> will be inserted automatically for you:
:'<,'>s/<search_string>/<re...