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What's the best way to join on the same table twice?
This is a little complicated, but I have 2 tables. Let's say the structure is something like this:
5 Answers
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
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2017 update: First, for readers coming today - here is a version that works with Node 7 (4+):
function enforceFastProperties(o) {
function Sub() {}
Sub.prototype = o;
var receiver = new Sub(); // create an instance
function ic() { return typ...
Transactions in .net
...s that should be used? What are the pitfalls to look out for etc. All that commit and rollback stuff. I'm just starting a project where I might need to do some transactions while inserting data into the DB. Any responses or links for even basic stuff about transactions are welcome.
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Why and not taking font-family and font-size from body?
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149
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What is the difference between Fragment and FragmentActivity?
... embedded in an Activity.
Fragments are not part of the API prior to HoneyComb (3.0). If you want to use Fragments in an app targeting a platform version prior to HoneyComb, you need to add the Support Package to your project and use the FragmentActivity to hold your Fragments. The FragmentActivity...
Build the full path filename in Python
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If using a function anyway makes you feel better (and you like needlessly complicating your code), you can do this:
os.path.join(dir_name, '.'.join((base_filename, filename_suffix)))
If you prefer to keep your code clean, simply include the dot in the suffix:
suffix = '.pdf'
os.path.join(dir_name,...
What is the Invariant Culture?
...t culture to convert a number to a string and later parse it back from any computer with any culture set.
// Use some non-invariant culture.
CultureInfo nonInvariantCulture = new CultureInfo("en-US");
Thread.CurrentThread.CurrentCulture = nonInvariantCulture;
decimal dec = 1.1m;
string convertedTo...
Why is rbindlist “better” than rbind?
... edited May 23 '17 at 11:55
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111 silver badge
answered Mar 28 '13 at 3:16
mnelmnel
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How can I get the sha1 hash of a string in node.js?
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