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Best way to check for nullable bool in a condition expression (if …)
... x is fine in context and is sometimes cleaner; to wit: var openOrders = orders.Where(x=>x.Open ?? false)
– nothingisnecessary
Oct 24 '19 at 16:25
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How do I clone a generic list in C#?
...nge can sometimes be a major performance drain, increasing memory usage by orders of magnitude.
– supercat
Sep 23 '13 at 21:25
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Using jQuery to test if an input has focus
...ilding, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover ...
Installing SciPy and NumPy using pip
...ere will be a few lines you need to select depending on your architecture, etc., and you'll need to fix/add the correct directories that it incorrectly assumes as well.
The third thing you may need is to yum install numpy-f2py or the equivalent.
Oh, yes and lastly, you may need to yum install gcc-...
Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
...of the last sync (table sync_info). It will also create SQLite triggers in order to watch the INSERT or UPDATE on the tables you want to synchronize (to automatically insert the modified elements in the new_elem table):
DBSYNC.initSync(TABLES_TO_SYNC, webSqlDb, sync_info, 'http://www.myserver.com',...
Adding a column to an existing table in a Rails migration
..., you're adding the column and then creating the table.
If you change the order it might work. Or, as you're modifying an existing migration, just add it to the create table instead of doing a separate add column.
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How to fix “ImportError: No module named …” error in Python?
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how to change any data type into a string in python
...yvariable) - it often returns information about class type, memory address etc. It's more useful for debugging. Use str(myvariable) for conversion to string and unicode(variable) for conversion to unicode.
– Abgan
Jul 8 '10 at 14:29
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MySQL “WITH” clause
...uery
left join mytable as mytable.mycol = col1
where mytable.mycol is null
order by col1
You may want to use a text editor with macro capabilities to convert a list of values to the quoted select union clause.
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Github Push Error: RPC failed; result=22, HTTP code = 413
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After much searching, cussing, and crying. ( in that order ) I found that the embeded config file was located at: /var/opt/gitlab/nginx/conf/gitlab-http.conf
– kroolk
Nov 19 '15 at 23:12
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