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Best explanation for languages without null
...azy null value that is meaningless to the graphing domain I'm working in. Etc.
When you do intend to model a possibly-non-existent value, then you should opt into it explicitly. If the way I intend to model people is that every Person has a FirstName and a LastName, but only some people have Midd...
Mac OS X - EnvironmentError: mysql_config not found
...
Step 6: relative to Macintosh HD locate paths and add to it
cd /private/etc/
then
nvim paths
and add
/usr/local/mysql/bin
*you'll again notice that this file has read-only access so if your using vim or neovim
:w !sudo tee %
then
cd ~
then refresh the terminal with your changes b...
How to solve “Could not establish trust relationship for the SSL/TLS secure channel with authority”
... could refine this and do some custom checking (for certificate name, hash etc).
at least you can circumvent problems during development when using test certificates.
share
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improve this answer
...
Portable way to get file size (in bytes) in shell?
...sn't attempt to count actual characters, doesn't spawn unneeded awk, perl, etc).
Tested on MacOS, Linux - may require minor modification for Solaris:
__ln=( $( ls -Lon "$1" ) )
__size=${__ln[3]}
echo "Size is: $__size bytes"
If required, simplify ls arguments, and adjust offset in ${__ln[3]}.
...
Count Rows in Doctrine QueryBuilder
...
If you need to count a more complex query, with groupBy, having etc... You can borrow from Doctrine\ORM\Tools\Pagination\Paginator:
$paginator = new \Doctrine\ORM\Tools\Pagination\Paginator($query);
$totalRows = count($paginator);
...
Outputting data from unit test in python
...his= %r", self.this )
log.debug( "that= %r", self.that )
# etc.
self.assertEquals( 3.14, pi )
if __name__ == "__main__":
logging.basicConfig( stream=sys.stderr )
logging.getLogger( "SomeTest.testSomething" ).setLevel( logging.DEBUG )
unittest.main()
That allows...
java.util.regex - importance of Pattern.compile()?
... Plus you can specify flags like case_insensitive, dot_all, etc. during compilation, by passing in an extra flags parameter
– Sam Barnum
Nov 12 '09 at 14:50
add...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
...}
Then in the activity's onCreate method:
if (isSamsung_4_2_2()) {
setContentView(R.layout.activity_main_no_toolbar);
} else {
setContentView(R.layout.activity_main);
}
As pointed out this is not a definitive solution, it is just a way to allow users to have access to limited functional...
Python Requests throwing SSLError
...on a simple script that involves CAS, jspring security check, redirection, etc. I would like to use Kenneth Reitz's python requests because it's a great piece of work! However, CAS requires getting validated via SSL so I have to get past that step first. I don't know what Python requests is wanti...
Class vs. static method in JavaScript
... you access one of its members (methods, attributes, properties, constants etc) in any way, the access will flow down the prototype hierarchy until it either (a) finds the member, or (b) doesn't find another prototype.
The hierarchy starts on the object that was called, and then searches its protot...