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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...reate,Alter,Drop,Insert,Update,Delete).
Returns the count of rows effected by the Query.
Return type is int
Return value is optional and can be assigned to an integer variable.
ExecuteReader():
will work with Action and Non-Action Queries (Select)
Returns the collection of rows selected by the Q...
Proper way to renew distribution certificate for iOS
...ychain Access.app (/Applications/Utilities/Keychain Access.app).
Filter by ‘login’ Keychains and ‘Certificates’ Category. Locate the certificate that you've just revoked in Step 1.
Depending on the certificate that you've just revoked, search for either ‘Mac’ or ‘iPhone’. Mac App...
Filter by process/PID in Wireshark
...xperimental build that does this, as described on the mailing list, Filter by local process name
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Is Integer Immutable
... them are*.
*It's possible to have immutable variables, these are denoted by the keyword final, which means that the reference may not change.
final Integer a = 3;
final Integer b = 3;
a += b; // compile error, the variable `a` is immutable, too.
...
How to have multiple data-bind attributes on one element?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
TextView bold via xml file?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How to show method parameter tooltip in C#?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
MySQL: Insert record if not exists in table
...not actually suggesting that you do this, as the UNIQUE index as suggested by Piskvor and others is a far better way to do it, but you can actually do what you were attempting:
CREATE TABLE `table_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varch...
using facebook sdk in Android studio
...e. This may work but probably isn't what you want).
Open project structure by Ctrl + Shift + Alt + S and then select dependencies tab. Click on + button and select Module Dependency. In the new window pop up select :facebook.
You should be good to go.
Instructions for older Android Studio and ol...
How to sort a NSArray alphabetically?
...
Another easy method to sort an array of strings consists by using the NSString description property this way:
NSSortDescriptor *valueDescriptor = [NSSortDescriptor sortDescriptorWithKey:@"description" ascending:YES];
arrayOfSortedStrings = [arrayOfNotSortedStrings sortedArrayUsing...