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How do I get the value of text input field using JavaScript?
... 'searchtext' in your page.
Method 5:
Use the powerful document.querySelector('selector').value which uses a CSS selector to select the element
For example, document.querySelector('#searchTxt').value; selected by id
document.querySelector('.searchField').value; selected by class
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Best implementation for hashCode method for a collection
...he field f is a boolean:
calculate (f ? 0 : 1);
If the field f is a byte, char, short or int: calculate (int)f;
If the field f is a long: calculate (int)(f ^ (f >>> 32));
If the field f is a float: calculate Float.floatToIntBits(f);
If the field f is a double: calculate Double.doubleToLong...
Why does changing the returned variable in a finally block not change the return value?
...le s", you set s to refer to the inlined String, not altering the inherent char buffer of the s object to change to "override variable s".
You put a reference to the s on the stack to return to the calling code. Afterwards (when the finally block runs), altering the reference should not do anything ...
SQL Server: Get table primary key using sql query [duplicate]
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I also found another one for SQL Server:
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
AND TABLE_NAME = 'TableName' AND TABLE_SCHEMA = 'Schema'
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Why is 'this' a pointer and not a reference?
...
@Omnifarious you could write &reinterpret_cast<char&>(this); to get the real address for overloading operator& (in fact, this is sort of what boost::addressof does).
– Johannes Schaub - litb
Jul 1 '10 at 22:57
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How to select the first element with a specific attribute using XPath
The XPath bookstore/book[1] selects the first book node under bookstore .
9 Answers
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Simpler way to put PDB breakpoints in Python code?
...t you'll have to record your own (rather than copy/paste above) as special chars are involved (for escape etc).
– arcseldon
Feb 18 '19 at 6:54
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Split column at delimiter in data frame [duplicate]
...OO=c('a|b','b|c','x|y'))
foo <- data.frame(do.call('rbind', strsplit(as.character(df$FOO),'|',fixed=TRUE)))
Or, if you want to replace the columns in the existing data.frame:
within(df, FOO<-data.frame(do.call('rbind', strsplit(as.character(FOO), '|', fixed=TRUE))))
Which produces:
ID ...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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This function cannot deal with supplementary characters as they cannot be represented in UCS-2.
– Artefacto
Nov 18 '11 at 10:45
3
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Core dumped, but core file is not in the current directory?
...ore_pattern is used to specify a core dumpfile pattern name.
If the first character of the pattern is a '|', the kernel will treat
the rest of the pattern as a command to run. The core dump will be
written to the standard input of that program instead of to a file.
Instead of writing the core du...