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When should the xlsm or xlsb formats be used?
...er than .xlsb and saves 2 times longer and has 1.5 times a bigger file. I tested this on a generated worksheet with 10'000 rows * 1'000 columns = 10'000'000 (10^7) cells of simple chained =…+1 formulas:
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How to convert Nonetype to int or string?
...f value is None else value)
This replaces only None with 0. Since we are testing for None specifically, you can use some other value as the replacement.
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What is the maximum length of a Push Notification alert text?
...ms above that they were able to send messages with 1400 characters. My own testing with the new notification format showed that a message just 1 byte over the 256 byte limit was rejected. Given that the docs are very explicit on this point I suggest it is safer to use 256 regardless of what you may...
C++ - passing references to std::shared_ptr or boost::shared_ptr
...d is complete we can store the new previous message. All good. Here's some test code:
send_message(std::shared_ptr<std::string>(new std::string("Hi")));
send_message(previous_message);
And as expected, this prints Hi! twice.
Now along comes Mr Maintainer, who looks at the code and thinks: ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...ts before copy-paste this or using this for any serious work. This was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, b...
How to delete from a text file, all lines that contain a specific string?
...temp && mv temp file
Ruby (1.9+)
ruby -i.bak -ne 'print if not /test/' file
Perl
perl -ni.bak -e "print unless /pattern/" file
Shell (bash 3.2 and later)
while read -r line
do
[[ ! $line =~ pattern ]] && echo "$line"
done <file > o
mv o file
GNU grep
grep -v "patt...
How to detect which one of the defined font was used in a web page?
...tch
Gecko.
I took a pass at this problem and created Font Unstack, which tests each font in a stack and returns the first installed one only. It uses the trick that @MojoFilter mentions, but only returns the first one if multiple are installed. Though it does suffer from the weakness that @tlrobin...
Break a previous commit into multiple commits
...eset a8c4ab.
Here's a series of commands to show how it works:
mkdir git-test; cd git-test; git init
now add a file A
vi A
add this line:
one
git commit -am one
then add this line to A:
two
git commit -am two
then add this line to A:
three
git commit -am three
now the file A looks like...
Google Play on Android 4.0 emulator
...
Note: Vending.apk is called Phonesky.apk in latest releases
– Catalin Morosan
Sep 11 '12 at 8:44
9
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Add new methods to a resource controller in Laravel
...why the custom route should go above the resource route ??? I've done some tests and seems to have no diference between putting above or below...
– Ricardo Vigatti
Jun 16 '16 at 14:21
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