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What is Type-safe?
... means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method arguments, since yo...
SQL Server: Get data for only the past year
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I got an error message running this query ... "FUNCTION DatabaseName.DATEADD does not exist" Any suggestion?
– Marcello Perri
Jan 17 '19 at 10:43
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SQL Logic Operator Precedence: And and Or
Are the two statements below equivalent?
4 Answers
4
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socket.shutdown vs socket.close
... to send any more data
This is usefull in
1- Buffer flushing
2- Strange error detection
3- Safe guarding
Let me explain more , when you send a data from A to B , it's not guaranteed to be
sent to B , it's only guaranteed to be sent to the A os buffer ,
which in turn sends it to the B os buffe...
“cannot resolve symbol R” in Android Studio
...the main culprit. Wasted 6.50 hours from my life. Gradle 3.2.1 removed the error.
classpath 'com.android.tools.build:gradle:3.2.1'
Problem resolved after changing the gradle version. Details history can be found here.
sha...
Django Admin - Disable the 'Add' action for a specific model
I have a django site with lots of models and forms. I have many custom forms and formsets and inlineformsets and custom validation and custom querysets. Hence the add model action depends on forms that need other things, and the 'add model' in the django admin throughs a 500 from a custom queryset.
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How to extract year and month from date in PostgreSQL without using to_char() function?
...e_name"
where date_part('year',txndt) < '2000' limit 10;
I am getting error.
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How to show and update echo on same line
I have the following in Bash (In Linux)
6 Answers
6
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How to stop mysqld
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I got this error for that: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)
– 2myCharlie
Aug 1 '18 at 20:09
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How can I check if a checkbox is checked?
...You should also advice to strip that == 1. Its only working because of two errors. Actually the value is true or false, he should just using if( remeber.checked )
– jAndy
Mar 27 '12 at 10:08
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