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What's the best way to join on the same table twice?
...t.PhoneNumber1
JOIN Table2 t2 ON t2.PhoneNumber = t.PhoneNumber2
What i did:
No need to specify INNER - it's implied by the fact that you don't specify LEFT or RIGHT
Don't n-suffix your primary lookup table
N-Suffix the table aliases that you will use multiple times to make it obvious
*One way...
Using async-await on .net 4
...you feel the need to target .NET 3.5 though, you can still use (my) AsyncBridge for .NET 3.5.
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git ahead/behind info between master and branch?
... remote master (git rev-list --left-right --count origin/master...@) - provided the user does git fetch before; useful to prevent pull requests from outdated branches.
– jakub.g
Mar 2 '16 at 19:53
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What's the difference between libev and libevent?
...tation quality and resultant security issues, and timers were inexact and didn't cope well with time jumps.
Libev tried to improve each of these, by not using global variables but using a loop context for all functions, by using small watchers for each event type (an I/O watcher uses 56 bytes on x8...
Pull request vs Merge request
... Normally, the code must merge without any conflicts, to be a valid "merge" request.
– GC_
Jul 28 at 15:07
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Android Studio IDE: Break on Exception
It seems my Android Studio does not want to break on any exception by default. Enabling break on "Any Exception" starts breaking within actual JDE libraries. Is there any way to force it to break only on exceptions within my code only?
...
Transactions in .net
...and doesn't allow cross-db work. An example (formatted for space):
using (IDbTransaction tran = conn.BeginTransaction()) {
try {
// your code
tran.Commit();
} catch {
tran.Rollback();
throw;
}
}
Not too messy, but limited to our connection "conn". If w...
Do declared properties require a corresponding instance variable?
...ally declare an instance variable between the braces, or via @property outside the braces, or both. Either way, they become attributes of the class. The difference is that if you declare @property, then you can implement using @synthesize, which auto-codes your getter/setter for you. The auto-coder ...
Groovy: what's the purpose of “def” in “def x = 0”?
... }
}
bar()
prints "error caught"
The "y" variable isn't in scope inside the function. "x" is in scope as groovy will check the bindings of the current script for the variable. As I said earlier, this is simply syntactic sugar to make quick and dirty scripts quicker to type out (often one li...
What is the Invariant Culture?
...ll always work because you serialized with the same culture << this didn't make sense to me, I think I misunderstood something. If using CultureInfo.InvariantCulture works because you serialized with the same culture....then isn't it the same as using CultureInfo.CurrentCulture?
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