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C# Linq Group By on multiple columns [duplicate]
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@jazmatician _ I agree with you on the point that re-using x might confuse some, but not on the choice for variable names. I'll change it to x and y to diferentiate.
– Jamiec
Nov 19 '12 at 15:51
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How can you use optional parameters in C#?
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= new EDIDocumentType(EDIDocTypes.X12_814),
bool Production = false)
{
// My code is here
}
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Click through div to underlying elements
... to elements underneath.
CSS:
pointer-events: none;
background: url('your_transparent.png');
IE11 conditional:
filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='your_transparent.png', sizingMethod='scale');
background: none !important;
Here is a basic example page with all the co...
What do I have to do to get Core Data to automatically migrate models?
...hBool:YES], NSInferMappingModelAutomaticallyOption, nil];
NSError *error;
_persistentStoreCoordinator = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel: [self managedObjectModel]];
if (![_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL...
SLF4J: Class path contains multiple SLF4J bindings
... answered Jul 14 '16 at 20:53
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Save An Image To Application Documents Folder From UIView On IOS
...reate folder
NSString *imageName = [NSString stringWithFormat:@"%@/img_%@.png", dataPath, [self getRandomNumber]] ;
// save the file
if ([[NSFileManager defaultManager] fileExistsAtPath:imageName]) {
// delete if exist
[[NSFileManager defaultManager] removeItemAtPath:ima...
Handle ModelState Validation in ASP.NET Web API
...ile
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2).ConfigureApiBehaviorOptions(options =>
{
options.InvalidModelStateResponseFactory = (context) =>
{
var errors = context.ModelState.Values.SelectMany(...
Undo git update-index --skip-worktree
...o remember it. I use alias hidden="git ls-files -v | grep '^S'" in my .bash_profile. It works great!
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How to get a list of column names on Sqlite3 database?
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PRAGMA table_info(table_name);
will get you a list of all the column names.
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How do I restore a dump file from mysqldump?
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It should be as simple as running this:
mysql -u <user> -p < db_backup.dump
If the dump is of a single database you may have to add a line at the top of the file:
USE <database-name-here>;
If it was a dump of many databases, the use statements are already in there.
To run the...