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efficient way to implement paging
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LinqToSql will automatically convert a .Skip(N1).Take(N2) into the TSQL syntax for you. In fact, every "query" you do in Linq, is actually just creating a SQL query for you in the background. To test this, just run SQL Profiler while your application i...
Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
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I wrote the following code to convert an image from sdcard to a Base64 encoded string to send as a JSON object.And it works great:
String filepath = "/sdcard/temp.png";
File imagefile = new File(filepath);
FileInputStream fis = null;
try {
fis = new ...
How to run test methods in specific order in JUnit4?
... they shouldn't be coupled and violating this will make things harder to maintain, will break the ability to run tests individually (obviously), etc.
That being said, if you really want to go in this direction, consider using TestNG since it supports running tests methods in any arbitrary order na...
How to return a result from a VBA function
... value to the name of your function, like this:
Public Function test() As Integer
test = 1
End Function
Example usage:
Dim i As Integer
i = test()
If the function returns an Object type, then you must use the Set keyword like this:
Public Function testRange() As Range
Set testRange = ...
Is it possible to disable floating headers in UITableView with UITableViewStylePlain?
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Still don't believe it! No private APIs, no digging into the classes, nothing! I have been facing this problem for ages and have been adding tableviews on top of scroll views (with the tableview scroll disabled), which would make the table headers scroll normally. but just sta...
How are people unit testing with Entity Framework 6, should you bother?
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This is a topic I'm very interested in. There are many purists who say that you shouldn't test technologies such as EF and NHibernate. They are right, they're already very stringently tested and as a previous answer stated it's often pointless to spe...
How to identify CAAnimation within the animationDidStop delegate?
...ed. Why not take advantage of the forKey parameter in addAnimation? It was intended for this very purpose. Just take out the call to setValue and move the key string to the addAnimation call. For example:
[[hearingAidHalo layer] addAnimation:animation forKey:@"Throb"];
Then, in your animationDidS...
How to clear MemoryCache?
... warns: "Retrieving an enumerator for a MemoryCache instance is a resource-intensive and blocking operation. Therefore, the enumerator should not be used in production applications."
Here's why, explained in pseudocode of the GetEnumerator() implementation:
Create a new Dictionary object (let's ca...
Elegant method to generate array of random dates within two dates
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You can convert the boundary dates to integers (Date.getTime()) and then use Math.random() to generate your random dates within given boundaries. Then go back to Date objects with Date.setTime().
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Is there a link to GitHub for downloading a file in the latest release of a repository?
... uses regex to find the file you want
wget --base=http://github.com/ -i - converts the relative path from the pipeline to absolute URL
and -O scollector sets the desired file name.
may be able to add -N to only download if the file is newer but S3 was giving a 403 Forbidden error.
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