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How do I increase the scrollback buffer in a running screen session?
...defscrollback and not scrollback (def stand for default)
What you need to know is if the file is not created ! You create it !
> cd ~ && vim .screenrc
And you add defscrollback 1000000 to it!
Or in one command
> echo "defscrollback 1000000" >> .screenrc
(if not created already)...
Boolean literals in PowerShell
...am (
[bool]$cleanuprequired
)
echo "Batch file starting execution."
Now if I've to invoke this PS file from a PS command line, this is how I can do it:
installmyapp.ps1 -cleanuprequired $true
OR
installmyapp.ps1 -cleanuprequired 1
Here 1 and $true are equivalent. Also, 0 and $false ar...
lexers vs parsers
...TMT_END in your syntax (for the parser) to denote the end of instructions. Now you can have a token with the same name associated with it, generated by the lexer. But you can change the actual lexeme it stands for. Eg. you can define STMT_END as ; to have C/C++-like source code. Or you can define it...
Serializing object that contains cyclic object value
...out pulling in a bunch of code, here goes.
One feature that's not as well-known as JSON.stringify() is console.table(). Simply call console.table(whatever);, and it will log the variable in the console in tabular format, making it rather quite easy and convenient to peruse the variable's contents.
...
Responsive font size in CSS
...vw to scale text so it doesn't look puny on a desktop! Perfect... Oh. Huh, now the text is too small to read when viewed on a phone. Okay, well I can just use "max(x,y)" to make sure it doesn't get shrunk beyond a minimum size. Perfect... Oh. Hmm. Looks like "max" isn't supported properly by Chrome....
How to add test coverage to a private constructor?
...ay, some managers look at the coverage numbers. They don't care why. They know that 85% is better than 75%.
– ACV
Mar 9 '16 at 12:47
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How to reference a file for variables using Bash?
... accomplish this.
Running export and echo $ENV should be all you need to know about accessing variables. Accessing environment variables is done the same way as a local variable.
To set them, say:
export variable=value
at the command line. All scripts will be able to access this value.
...
Malloc vs new — different padding
... of pointer, and when you pass this pointer to other functions they won't know how the object was allocated. sizeof *ptr is just dependent on the declaration of ptr, not how it was assigned.
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How do I speed up the gwt compiler?
...is, for example, will compile your application for IE and FF only. If you know you are using only a specific browser for testing, you can use this little hack.
Another option: if you are using several locales, and again using only one for testing, you can comment them all out so that GWT will use t...
How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
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