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The difference between try/catch/throw and try/catch(e)/throw e
...ception thrown inside the try block (and, unless you are simply using this to log the exceptions, should be avoided). Now look at these:
try { ... }
catch ()
{
/* ... */
throw;
}
try { ... }
catch (Exception e)
{
/* ... */
throw;
}
try { ... }
catch (Exception e)
{
/* ... */
...
brew install mysql on macOS
I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 .
16 Answers
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Bash command to sum a column of numbers [duplicate]
I want a bash command that I can pipe into that will sum a column of numbers. I just want a quick one liner that will do something essentially like this:
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How do I find the length of an array?
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work.
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How to quickly edit values in table in SQL Server Management Studio?
Aside from context menu -> "Edit Top 200 Rows" from Object Explorer, is there a quick way to open a table in Edit mode where I can just quickly modify the value of a cell?
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Can I scroll a ScrollView programmatically in Android?
Is there any way to scroll a ScrollView programmatically to a certain position?
18 Answers
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Check if a Python list item contains a string inside another string
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If you only want to check for the presence of abc in any string in the list, you could try
some_list = ['abc-123', 'def-456', 'ghi-789', 'abc-456']
if any("abc" in s for s in some_list):
# whatever
If you really want to get all the ite...
How to check if a float value is a whole number
I am trying to find the largest cube root that is a whole number, that is less than 12,000.
13 Answers
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Difficulty with ng-model, ng-repeat, and inputs
I am trying to allow the user to edit a list of items by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown.
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What is the difference between memoization and dynamic programming?
...e a dynamic programming problem using tabulation you solve the problem "bottom up", i.e., by solving all related sub-problems first, typically by filling up an n-dimensional table. Based on the results in the table, the solution to the "top" / original problem is then computed.
If you use memoizati...