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Why does Haskell's “do nothing” function, id, consume tons of memory?
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@dfeuer Try asking for the type in ghci. You'll see by the speed of the response that it must be doing the appropriate sharing. I suspect this sharing is lost--for obvious reasons--once you translate to some other intermediate representation (e.g. core).
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javascript: Clear all timeouts?
...integer that is greater than zero that will identify the timeout to be set by this call." which leaves room for the handle to be any positive integer including non-consecutive and non-small integers.
– Mike Samuel
Jan 14 '12 at 4:59
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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
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I got over my problem by eliminating the "FROM" It looked more like this: UPDATE table1 NATURAL JOIN table2 SET table1.col1 = table1.col2 WHERE table2.col3 ="condition"
– 2NinerRomeo
Mar 4 '15 at 20:49
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You can't specify target table for update in FROM clause
...e started, or the inner query might use data that has already been updated by the query as it's in progress. Neither of these side-effects is necessarily desirable, so the safest bet is to force you to specify what will happen using an extra table.
– siride
Mar...
How to select a drop-down menu value with Selenium using Python?
...le:
from selenium import webdriver
b = webdriver.Firefox()
b.find_element_by_xpath("//select[@name='element_name']/option[text()='option_text']").click()
You can read more in:
https://sqa.stackexchange.com/questions/1355/unable-to-select-an-option-using-seleniums-python-webdriver
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jQuery access input hidden value
..._fields.attr( 'text' );
Will give you all hidden input fields and filter by those with a specific type="".
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Android custom dropdown/popup menu
...etContentView(R.layout.activity_main);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Creating the instance of PopupMenu
PopupMenu pop...
Can I bind an array to an IN() condition?
...redundant, so the foreach loop and the $stmt->execute could be replaced by just ...
<?php
(...)
$stmt->execute($ids);
?>
(again, i didn't test it)
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How to search by key=>value in a multidimensional array in PHP
...ults);
}
}
The key there is that search_r takes its fourth parameter by reference rather than by value; the ampersand & is crucial.
FYI: If you have an older version of PHP then you have to specify the pass-by-reference part in the call to search_r rather than in its declaration. That is,...
How to check if a Constraint exists in Sql server?
...s to it. Also, you can just use this system stored procedure on any table by using it like EXEC sp_helpconstraint YourTableNameHere.
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