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How do I view the type of a scala expression in IntelliJ
... Looks like Ctrl + Q resolves the parameterized types in the latest plugin version
– Jon Freedman
Jun 18 '12 at 16:20
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Node.js Error: Cannot find module express
...lation is only for setting up system-wide available binaries, such as unit test runners or bootstrappers or things like that.
With Express, when you install it globally, you get an express binary that can bootstrap an application for you. For more information, type
$ express --help
So, to answer...
ImportError: No module named matplotlib.pyplot
...on of matplotlib using python3 -m pip install matplotlib solved the error. Tested on Ubuntu 16.04.
– vineeshvs
Jun 5 '19 at 6:22
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How do I get only directories using Get-ChildItem?
... only directories recursively
ls -file -r #lists only files recursively
Tested on PowerShell 4.0, PowerShell 5.0 (Windows 10), PowerShell Core 6.0 (Windows 10, Mac, and Linux), and PowerShell 7.0 (Windows 10, Mac, and Linux).
Note: On PowerShell Core, symlinks are not followed when you specify t...
Replace string within file contents
...awesome, i love dogs! dog dog dogs!
Linux Command:
sed -i 's/dog/cat/g' test.txt
Output:
Hi, i am a cat and cat's are awesome, i love cats! cat cat cats!
Original Post: https://askubuntu.com/questions/20414/find-and-replace-text-within-a-file-using-commands
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Use of “instanceof” in Java [duplicate]
... A { }
class C extends A { }
class D extends A { }
public static void testInstance(){
A c = new C();
A d = new D();
Assert.assertTrue(c instanceof A && d instanceof A);
Assert.assertTrue(c instanceof C && d instanceof D);
Assert.assertFalse(c instanceof D);
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How do I write output in same place on the console?
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# Otherwise, the text may not appear at all, or appear inconsistently.
# tested on PyCharm 2019.3, Python 3.6
import time
print('Start.')
for i in range(100):
time.sleep(0.02)
print('\rDownloading File FooFile.txt [%d%%]'%i, end="")
print('\nDone.')
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Increment value in mysql update query
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Also, to "increment" string, when update, use CONCAT
update dbo.test set foo=CONCAT(foo, 'bar') where 1=1
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Add horizontal scrollbar to html table
...eStroobandt no, in my case white-space: nowrap; doesn't solve the problem (tested on Firefox). Rows width is less than the table width when there is not enough content (text) to expand the rows.
– collimarco
Aug 11 '17 at 10:41
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How to get JS variable to retain value after page refresh? [duplicate]
... you assign to window.name will stay there until the window is closed.
To test it out, just open the console and type window.name = "foo", then refresh the page and type window.name; it should respond with foo.
This is a bit of a hack, but if you don't want cookies filled with unnecessary data bei...