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Why should I care that Java doesn't have reified generics?
...n even get the runtime type by typeof(T) and get the constructors by Type.GetConstructor().
The common Java solution would be to pass the Class<T> as argument.
public class Foo<T> {
private T t;
public Foo(Class<T> cls) throws Exception {
this.t = cls.newInstanc...
Creating email templates with Django
...to, at some point, switch from using django templates to using a mailchimp etc. set of templates for transactional, templated emails for my own project). It is still a work-in-progress though, but for the example above, you would do:
from templated_email import send_templated_mail
send_templated_ma...
Plurality in user messages
...d the form differs based on its function in the sentence (subject, object, etc.). We can always come up with cases where one solution works and another doesn't. This is the way the Java folks attempted to solve the problem. You still have to be careful with the way you form the message formats.
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Vim: Creating parent directories on save
...nes the :W command. Ideally, I'd like to have all of :w!, :wq, :wq!, :wall etc work the same, but I'm not sure if it's possible without basically reimplementing them all with custom functions.
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PHP function overloading
...creates
The idea is you have different type of arguments, arrays, objects etc, then you detect what you were passed and go from there
function($arg1, $lastname) {
if(is_array($arg1)){
$lastname = $arg1['lastname'];
$firstname = $arg1['firstname'];
} else {
$firstnam...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
....parse(str, DATE_TME_FORMATTER);
UPDATE: postgres 9.4.1208, HSQLDB 2.4.0 etc understand Java 8 Time API without any conversations!
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git - Find commit where file was added
...
Check the documentation. You can do the same thing for Deleted, Modified, etc.
https://git-scm.com/docs/git-log#Documentation/git-log.txt---diff-filterACDMRTUXB82308203
I have a handy alias for this, because I always forget it:
git config --global alias.whatadded 'log --diff-filter=A'
This mak...
Are GUID collisions possible?
...SE1-2004-lec12.pdf, page 11. This is also true of disk drives, cd drives, etc...
GUIDs are statistically unique and the data you read from the db is only statistically correct.
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How to save all the variables in the current python session?
...g all the variables in *.spydata format
Loading all the variables or pics etc.
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Check if object is file-like in Python
...ll expect that if fileno is present then other functionality is available, etc. And similarly for write(buf) (although there are a lot fewer options in that direction).
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