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Unable to cast object of type 'System.DBNull' to type 'System.String`
...hat column, the return value is System.DBNull.
– Alexander
May 27 '14 at 7:52
In the first case @Alexander mentions -n...
z-index not working with fixed positioning
I have a div with default positioning (i.e. position:static ) and a div with a fixed position.
8 Answers
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Safely casting long to int in Java
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We also have addExact and multiplyExact. Of note is that division (MIN_VALUE/-1) and absolute value (abs(MIN_VALUE)) do not have safe convenience methods.
– Aleksandr Dubinsky
Oct 27 '17 at 9:43
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How to execute a MySQL command from a shell script?
How can I execute an SQL command through a shell script so that I can make it automated?
14 Answers
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How can I create a border around an Android LinearLayout?
I have one big layout, and one smaller layout inside of it.
9 Answers
9
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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Parse RSS with jQuery
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WARNING
The Google Feed API is officially deprecated and doesn't work anymore!
No need for a whole plugin. This will return your RSS as a JSON object to a callback function:
function parseRSS(url, callback) {
$.ajax({
url: document.location.protocol + '//ajax.googlea...
Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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How do I specify new lines on Python, when writing on files?
...e a single '\n' instead, on all platforms." So what do you mean by "right" and what are the reasons for their and your comment?
– Yasen
Nov 22 '14 at 18:41
22
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How does RegexOptions.Compiled work?
...tion (LCG). This compilation happens during the construction of the object and heavily slows it down. In turn, matches using the regular expression are faster.
If you do not specify this flag, your regular expression is considered "interpreted".
Take this example:
public static void TimeAction(st...