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symfony 2 twig limit the length of the text and put three dots
How can I limit the length of the text, e.g., 50, and put three dots in the display?
13 Answers
...
What command means “do nothing” in a conditional in Bash?
...
The no-op command in shell is : (colon).
if [ "$a" -ge 10 ]
then
:
elif [ "$a" -le 5 ]
then
echo "1"
else
echo "2"
fi
From the bash manual:
: (a colon)
Do nothing beyond expanding arguments and performing redirections....
Printing the last column of a line in a file
...ed. tail -f means wait for more input, but there are no more lines in file and so the pipe to grep is never closed.
If you omit -f from tail the output is shown immediately:
tail file | grep A1 | awk '{print $NF}'
@EdMorton is right of course. Awk can search for A1 as well, which shortens the ...
Command to collapse all sections of code?
In Visual Studio is there a command to collapse/expand all the sections of code in a file?
20 Answers
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How to test if a double is an integer
...s the same as the double.
Your variable could have an int or double value and Math.floor(variable) always has an int value, so if your variable is equal to Math.floor(variable) then it must have an int value.
This also doesn't work if the value of the variable is infinite or negative infinite henc...
How do you properly use namespaces in C++?
...utting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
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When to use reinterpret_cast?
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The C++ standard guarantees the following:
static_casting a pointer to and from void* preserves the address. That is, in the following, a, b and c all point to the same address:
int* a = new int();
void* b = static_cast<void*>(...
What is the JavaScript convention for no operation?
...at is the JavaScript convention for no operation? Like a Python pass command.
6 Answers
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Throwing the fattest people off of an overloaded airplane.
Let's say you've got an airplane, and it is low on fuel. Unless the plane drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first.
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setting y-axis limit in matplotlib
...rks also for me. However, another workaround can be to get the plot's axis and then change only the y-values:
x1,x2,y1,y2 = plt.axis()
plt.axis((x1,x2,25,250))
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