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Simple way to copy or clone a DataRow?
... later, call
// tableAux.Clear() first.
tableAux.ImportRow(row);
// Extract the cloned row from the aux. table:
var rowClone = tableAux.Rows[0];
Note: Shallow cloning is performed, which works as-is with column values that are value type instances, but more work would be needed to also crea...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...een width as 600 and the button width as 300. As a result, you have the extra resolution to work with in your app design for the tablet.
It’s also possible to take mixed approaches. These can be more confusing and less useful, and we recommend that you use them only in special circumstances. ...
How can I mock dependencies for unit testing in RequireJS?
...str.js didn't work for me, but I've come to the conclusion that the use of extra contexts is actually quite alright and in fact in line with how require.js was meant to be used for mocking/stubbing.
– Chris Salzberg
Jun 24 '13 at 14:10
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Multiple GitHub Accounts & SSH Config
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Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows:
Host me.github.com
HostName github.com
PreferredAuthe...
Can git automatically switch between spaces and tabs?
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If you are on windows then you have a few extra steps to get @Olivier Verdier's solution to work.
Download CoreUtils for windows
After installing put the install location in your PATH (How to add a path variable)
I renamed expand.exe to gexpand.exe as there is alre...
Best Practices for securing a REST API / web service [closed]
...the caller already knows that credentials are required, Digest requires an extra roundtrip to exchange the nonce value. With Basic, the callers simply sends the credentials the first time.
Once the identity of the client is established, authorization is really just an implementation problem. Howeve...
What is the JavaScript convention for no operation?
...itch it off by reassigning the function to no-op rather than having to add extra code to test some variable each time the function appeared.
– bearvarine
Aug 7 '16 at 5:54
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Prevent errors from breaking / crashing gulp watch
...ule, you can use the log function of gulp-util to keep you from declare an extra function in your gulpfile:
.on('error', gutil.log)
But I may recommend having a look at the awesome gulp-plumber plugin, which is used to remove the onerror handler of the error event, causing the break of the stre...
Postgres and Indexes on Foreign Keys and Primary Keys
...le, you will have an index on the PK and probably don't need to create any extra indexes.
While it's usually a good idea to create an index on (or including) your referencing-side foreign key columns, it isn't required. Each index you add slows DML operations down slightly, so you pay a performance...
IN vs OR in the SQL WHERE Clause
... say you should profile on a specific implementation. I'd imagine that the extra structure of the IN method makes it easier to optimize than a whole bunch of possibly related OR clauses. I'd be surprised if there is an engine where the OR method is faster, but I'm not surprised that there are times ...