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Primary key/foreign Key naming convention [closed]
...same name, NULL = NULL -> NULL means NULL is "unknown" rather than "not applicable", and ON UPDATE CASCADE means that keys need only be unique, not immutable.
– Steven Huwig
Sep 3 '09 at 2:39
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What JSON library to use in Scala? [closed]
...ting a JSON library is the Scala community's version of coding a todo list app.
There are quite a variety of alternatives. I list them in no particular order, with notes:
parsing.json.JSON - Warning this library is available only up to Scala version 2.9.x (removed in newer versions)
spray-json - ...
How to get the current time as datetime
Just started with the playground. I'm trying to create a simple app.
27 Answers
27
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Delete/Reset all entries in Core Data?
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// get reference to the persistent container
let persistentContainer = (UIApplication.shared.delegate as! AppDelegate).persistentContainer
// perform the delete
do {
try persistentContainer.viewContext.execute(deleteRequest)
} catch let error as NSError {
print(error)
}
This code has been...
Entity Framework Provider type could not be loaded?
... var x = typeof(System.Data.Entity.SqlServer.SqlProviderServices); Then my app worked
– Brian
Dec 19 '13 at 20:03
33
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What is the difference between the kernel space and the user space?
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So per se, To run a user space process, it must be mapped to kernel space?
– roottraveller
Sep 9 '17 at 12:58
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Calling Objective-C method from C++ member function?
...be mixed. If you want to keep them separate, you can set up a standard C wrapper function that gives the Objective-C object a usable C-style interface from non-Objective-C code (pick better names for your files, I have picked these names for verbosity):
MyObject-C-Interface.h
#ifndef __MYOBJECT_C_...
How to build & install GLFW 3 and use it in a Linux project
...ev... There may be other libs you require such as the pthread libraries... Apparently I had them already. (See the -l options given to the g++ linker stage, below.)
Now you can type make and then make install, which will probably require you to sudo first.
Okay, you should get some verbose output on...
Excel “External table is not in the expected format.”
... seems to fix most problems.
public static string path = @"C:\src\RedirectApplication\RedirectApplication\301s.xlsx";
public static string connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties=Excel 12.0;";
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How do I get a Date without time in Java?
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In enterprise applications we don't always have the option to add/use other libraries. I appreciate the pointer to Joda Time, but it's really not an answer to the original issue of getting the date portion using the standard Java. Thanks...