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How to access class constants in Twig?
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@DamianPolac do you know PHPStorm will prompt variable selection in twig file?
– Codium
Jun 21 at 8:38
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Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl
...fixed it for me in VS2017 Community! No idea when or how this option got deselected...
– Ian Kemp
Dec 25 '18 at 21:05
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Xcode 6: Keyboard does not show up in simulator
...ommand+K shortcut.
Reattach keyboard to simulator :
a. Open Simulator
b. Select Hardware -> Keyboard
c. Uncheck and then check 'Connect Hardware Keyboard'
OR simply press the Shift + Command + K shortcut
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Deleting lines from one file which are in another file
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grep -v -x -f f2 f1 should do the trick.
Explanation:
-v to select non-matching lines
-x to match whole lines only
-f f2 to get patterns from f2
One can instead use grep -F or fgrep to match fixed strings from f2 rather than patterns (in case you want remove the lines in a "what you...
Is it possible to ping a server from Javascript?
... You need to ping the servers concurrently. You can achieve that with select, threads or processes. For really hardcore solution you could use Eventmachine.
– Epeli
Nov 26 '10 at 2:59
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Linux command (like cat) to read a specified quantity of characters
...the chars in line 5 and chars 5 to 8 of line 5,
Note: tail -1 is used to select the last line displayed by the head.
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Undo git update-index --assume-unchanged
...will print all files with their status
grep '^[a-z]' will filter files and select only assume unchanged
cut -c 3- will remove status and leave only paths, cutting from the 3-rd character to the end
tr '\012' '\000' will replace end of line character (\012) to zero character (\000)
xargs -0 git updat...
what is the difference between 'transform' and 'fit_transform' in sklearn
... into training data and test data:
import numpy as np
from sklearn.model_selection import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y)
X_train_vectorized = model.fit_transform(X_train)
X_test_vectorized = model.transform(X_test)
Imagine we are fitting a tokenizer,...
UINavigationBar Hide back Button Text
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In the interface builder, you can select the navigation item of the previous controller and change the Back Button string to what you'd like the back button to appear as. If you want it blank, for example, just put a space.
You can also change it with this l...
How to manually send HTTP POST requests from Firefox or Chrome browser?
...Postman add your keys and values to the Body once x-www-form-urlencoded is selected. @Abhivav I just want to say thank you for the awesome application. Works really well when testing RESTful.
– David
Nov 9 '16 at 12:31
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