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C/C++ Struct vs Class
...de function pointer though as type(*addr)(params);
– Error
Jan 8 '18 at 4:14
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How can I pad an integer with zeros on the left?
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Use java.lang.String.format(String,Object...) like this:
String.format("%05d", yournumber);
for zero-padding with a length of 5. For hexadecimal output replace the d with an x as in "%05x".
The full formatting options are documented as part of java.util.Formatter.
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How to tell Xcode where my info.plist and .pch files are
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This is not resolving my problem. Error is still there
– Vin
Sep 4 at 8:22
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
....id = 1 and tries to insert another record with mask.id = 1, you'll get an error, because that column should have unique values. The same aplies for group.
On the other hand,
@Table(
name = "product_serial_group_mask",
uniqueConstraints = {@UniqueConstraint(columnNames = {"mask", "group"})}...
What makes JNI calls slow?
...s are specified in strings and queried from the JVM. This is both slow and error-prone.
Java Strings are objects, have length and are encoded. Accessing or creating a string may require an O(n) copy.
Some additional discussion, possibly dated, can be found in "Java¿ Platform Performance: Strategi...
Algorithm to compare two images
...he matches and the non matches. If they are within a certain threshold of error, you have a match. Otherwise, you could try reducing the resolution up to a certain point and see if the probability of a match improves.
Regions of Interest
Some images may have distinctive segments/regions of int...
What are the differences between various threading synchronization options in C#?
...ation detail and not relevant. By returning a TCS, you can return results, errors or handle cancellation and it's easily composable with other async operation (such as async await or ContinueWith).
– Simon Gillbee
Aug 13 '15 at 20:13
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How do I vertically center UITextField Text?
... if it's just numbers
So, unfortunately, it may need a bit of trial and error and manual adjustment to get it looking visually correct.
I placed the below code in a subclass of UITextField. It calls superclass methods as this takes into account the clear button being present.
override func awak...
sqlalchemy flush() and get inserted id?
...ing closer to an answer that might work for me but I receive the following error: InvalidRequestError: Could not refresh instance '<....>'. It appears after the flush that the instance simply no longer exists. Appreciate any insight.
– PlaidFan
Dec 21 ...
View the change history of a file using Git versioning
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answered Aug 24 '09 at 12:05
Claudio AcciaresiClaudio Acciaresi
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