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Making the iPhone vibrate
...rror for trying to cast from Int to UInt32, but the error reads as "Cannot convert to SystemSoundID", which is confusing. Why didn't apple just make it a Swift enum is beyond me.
@aponomarenko's goes into the details, my answer is just for the Swifters out there.
...
Immutable array in Java
...his can actually come in handy if you are using the List.toArray method to convert a List to an array. Since even an empty array takes up some memory, you can save that memory allocation by creating a constant empty array, and always passing it to the toArray method. That method will allocate a new ...
Extracting text OpenCV
...
Here is an alternative approach that I used to detect the text blocks:
Converted the image to grayscale
Applied threshold (simple binary threshold, with a handpicked value of 150 as the threshold value)
Applied dilation to thicken lines in image, leading to more compact objects and less white sp...
Why is address zero used for the null pointer?
... differently at runtime. The C++ standard has a note that makes clear that converting "an integral constant expression with value zero always yields a null pointer, but converting other expressions that happen to have value zero need not yield a null pointer".
a negative value might be just as usabl...
Can you get the column names from a SqlDataReader?
...numerable<dynamic>> and .Cast<dynamic>, but it says, Cannot convert method group 'Cast' to non-delegate type 'dynamic'. Did you intend to invoke the method? what did I do wrong there? (I looked at your sources, but they required you to know the column name, which I don't)
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...y platform yet.
Here is a process for altering a database table column to convert TIMESTAMP to DATETIME. It starts with creating a temporary column:
# rename the old TIMESTAMP field
ALTER TABLE `myTable` CHANGE `myTimestamp` `temp_myTimestamp` int(11) NOT NULL;
# create a new DATETIME column of ...
Difference between Repository and Service Layer?
...d of returning viewmodel from the service layer, you should return DTO and convert that into viewModels using automapper.. sometimes they're the same, when they're not you'll be thankful you've implemented YGTNI "You're Going To Need It"
– hanzolo
May 30 '14 at...
Initial bytes incorrect after Java AES/CBC decryption
...es in making this work due to missing some information like, forgetting to convert to Base64, initialization vectors, character set, etc. So I thought of making a fully functional code.
Hope this will be useful to you all:
To compile you need additional Apache Commons Codec jar, which is available ...
Detecting WPF Validation Errors
...ding Path=(validationScope:Scope.HasErrors),
Converter={local:BoolToBrushConverter},
ElementName=Form}"
BorderThickness="1">
<StackPanel x:Name="Form" validationScope:Scope.ForInputTypes="{x:Static validationScope:InputTyp...
How to compare Unicode characters that “look alike”?
...tion to the former, so you can normalize the string to FormKC or FormKD to convert the micro signs to mus.
However, there are lots of sets of characters that look alike but aren't equivalent under any Unicode normalization form. For example, A (Latin), Α (Greek), and А (Cyrillic). The Unicode w...