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How do I get a class instance of generic type T?
...ime. It turns out type erasure is far more complex than a blanket erasure. My answer shows you how to get the classes generic type.
– Ben Thurley
Nov 22 '12 at 10:58
3
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How to print the ld(linker) search path
... those directories (with a leading tab); the grep gets the directories. On my machine, this line prints out
/usr/lib64/atlas:
/usr/lib/llvm:
/usr/lib64/llvm:
/usr/lib64/mysql:
/usr/lib64/nvidia:
/usr/lib64/tracker-0.12:
/usr/lib/wine:
/usr/lib64/wine:
/usr/lib64/xulrunner-2:
/lib:
/lib64:
/usr/lib:...
how to unit test file upload in django
In my django app, I have a view which accomplishes file upload.The core snippet is like this
10 Answers
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C# Ignore certificate errors?
... @MarkMeuer was almost going to give up on this solution for my EWS API problem, but then I saw your comment.
– Mahen
May 16 '17 at 11:51
7
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UIGestureRecognizer on UIImageView
...
+1 sat here for ages trying to figure out why my gestures wouldn't work.. "Check that userInteractionEnabled is YES on the UIImageView." Thanks!
– Critter
Apr 11 '11 at 1:12
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Generate a Hash from string in Javascript
...var hashCode = function hashCode (str) {etc...}? And then use as hashCode("mystring")?
– rattray
Aug 4 '14 at 14:24
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Homebrew: List only installed top level formulas
...
Thanks! However this does show mysql as if it's not required by anything while it's actually required on my system by mysql-connector-c++. Do you happen to know if this is intentional (like if brew is keeping which formulae is installed directly not only i...
What MIME type should I use for CSV?
...thing to do with it, or am I missing something?
– JimmyPena
Aug 8 '12 at 20:08
25
That a program ...
Fast way to discover the row count of a table in PostgreSQL
...e exact count (slow with big tables):
SELECT count(*) AS exact_count FROM myschema.mytable;
You get a close estimate like this (extremely fast):
SELECT reltuples::bigint AS estimate FROM pg_class where relname='mytable';
How close the estimate is depends on whether you run ANALYZE enough. It i...
How do I add a foreign key to an existing SQLite table?
...the exact end of the sql definition
// for example, if the last column was my_last_column integer not null:
UPDATE SQLITE_MASTER SET SQL = replace(sql, 'my_last_column integer not null', 'my_last_column integer not null, foreign key (col1, col2) references other_table(col1, col2)') where name = 'chi...