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UITextField text change event
...ment's answer is spot on.
The above can be done in interface builder too by right-clicking on the UITextField and dragging the "Editing Changed" send event to your subclass unit.
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improv...
Difference between acceptance test and functional test?
... really needs?
This is usually done in cooperation with the customer, or by an internal customer proxy (product owner). For this type of testing we use test cases that cover the typical scenarios under which we expect the software to be used. This test must be conducted in a "production-like" envi...
What's the point of having pointers in Go?
... pointers and for some built-in types like maps and channels implicit pass by reference.
4 Answers
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What is the difference between connection and read timeout for sockets?
...eout on waiting to read data1. Specifically, if the server fails to send a byte <timeout> seconds after the last byte, a read timeout error will be raised.
2) What does connection timeout set to "infinity" mean? In what situation can it remain in an infinitive loop? and what can trigger th...
Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
...
Clang uses libstdc++ by default, GCC's stdlib.
– Xeo
Feb 3 '14 at 6:00
...
Best way to list files in Java, sorted by Date Modified?
...on does not work if files is a simple array, like File[], that is returned by directory.listFiles().
– viniciussss
Jan 15 '18 at 21:35
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What does 'synchronized' mean?
... non static synchronized method of an instance of that class can be called by any thread because that object level lock is still available). Any other thread will not be able to call any static synchronized method of the class as long as the class level lock is not released by the thread which curre...
What's the role of adapters in Android?
...ay a list in your Android app.
For this you will use the ListView provided by Android.
ListViews don’t actually contain any data themselves.
It’s just a UI element without data in it.
You can populate your ListViews by using an Android adapter.
Adapter is an interface whose implementations prov...
How to shift a column in Pandas DataFrame
...
You need to use df.shift here.
df.shift(i) shifts the entire dataframe by i units down.
So, for i = 1:
Input:
x1 x2
0 206 214
1 226 234
2 245 253
3 265 272
4 283 291
Output:
x1 x2
0 Nan Nan
1 206 214
2 226 234
3 245 253
4 265 272
So,...
Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T
...e issued on both at the same time: errors like "Transaction context in use by another session"
Q3. Yes, it gets escalated to a distributed transaction, so enlisting more than one connection, even with the same connection string, causes it to become a distributed transaction, which can be confirmed ...