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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...local for Homebrew. Apple has left /usr/local for "executables, libraries, etc. not included by the basic operating system". That means it's possible that tools installed prior to using Homebrew may have created /usr/local such that it can't be modified without sudo. They don't discuss that at the w...
Best way to specify whitespace in a String.Split operation
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If you just call:
string[] ssize = myStr.Split(null); //Or myStr.Split()
or:
string[] ssize = myStr.Split(new char[0]);
then white-space is assumed to be the splitting character. From the string.Split(char[]) method's documentation page...
How to export a Vagrant virtual machine to transfer it
...e.
3- Copy all these files (/config, /database, Vagrantfile, package.box, etc.) and paste them on your Computer 2 just where you want to install your virtual machine (on my case D:/VVV).
Now you have a copy of everything you need on your computer 2 host.
4- run this: vagrant box add package.box ...
Using sed to mass rename files
...(e.g. \(subregex\) then you can use them in the replacement text as \1\,\2 etc.
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Comparing date part only without comparing time in JavaScript
... that should give equal dates will not work because the two date are not really at 00:00:00:0.
– Oliver
Feb 8 '15 at 15:40
9
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CSS Box Shadow Bottom Only [duplicate]
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Do this:
box-shadow: 0 4px 2px -2px gray;
It's actually much simpler, whatever you set the blur to (3rd value), set the spread (4th value) to the negative of it.
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How to remove items from a list while iterating?
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For example (depends on what type of list):
for tup in somelist[:]:
etc....
An example:
>>> somelist = range(10)
>>> for x in somelist:
... somelist.remove(x)
>>> somelist
[1, 3, 5, 7, 9]
>>> somelist = range(10)
>>> for x in somelist[:]:
....
JOIN queries vs multiple queries
...ow table. Basically looked like:
$id = mt_rand(1, 50000);
$row = $db->fetchOne("SELECT * FROM table1 WHERE id = " . $id);
$row = $db->fetchOne("SELECT * FROM table2 WHERE other_id = " . $row['other_id']);
vs
$id = mt_rand(1, 50000);
$db->fetchOne("SELECT table1.*, table2.*
FROM tabl...
Ant task to run an Ant target only if a file exists?
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Check Using Filename filters like DB_*/**/*.sql
Here is a variation to perform an action if one or more files exist corresponding to a wildcard filter. That is, you don't know the exact name of the file.
Here, we are looking for "*.sql" files in any sub-dire...
How to keep/exclude a particular package path when using proguard?
... Android Studio 4.x will show errors like "Unresolved class name" etc. for double asterisks (**), but it will work as expected.
– Mahmudul Hasan Shohag
Aug 9 at 7:06
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