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What does [:] mean?
...opulation[3] (slicing is right-exclusive). Leaving away the left and right index, as in population[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list.
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Filtering Pandas DataFrames on dates
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If date column is the index, then use .loc for label based indexing or .iloc for positional indexing.
For example:
df.loc['2014-01-01':'2014-02-01']
See details here http://pandas.pydata.org/pandas-docs/stable/dsintro.html#indexing-selection
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
I have some code and when it executes, it throws a IndexOutOfRangeException , saying,
4 Answers
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How do I delete an item or object from an array using ng-click?
...day item to your remove function in markup. Then in controller look up the index of item and remove from array
<a class="btn" ng-click="remove(item)">Delete</a>
Then in controller:
$scope.remove = function(item) {
var index = $scope.bdays.indexOf(item);
$scope.bdays.splice(index...
In a Git repository, how to properly rename a directory?
... force
git mv -f oldfolder newfolder
Don't forget to add the changes to index & commit them after renaming with git mv.
3. Renaming foldername to folderName on case insensitive file systems
Simple renaming with a normal mv command(not git mv) won’t get recognized as a filechange from git....
Getting the last revision number in SVN?
Using PHP, Perl, or Python (preferably PHP), I need a way to query an SVN database and find out the last revision number sent to SVN. I don't need anything other than that. It needs to be non-intensive (so I do it every 5 minutes as a cron job; SVN's performance should not be affected).
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How do I wrap text in a pre tag?
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white-space:pre-line; (and all browser compatible flavors) seems more adequate in some cases (without tabs for instance) as it takes away the space at the beginning of the line (if there are some)
– MediaVince
Nov...
Is there a combination of “LIKE” and “IN” in SQL?
...a*" OR "foo*" OR "batz*"')
The column you are querying must be full-text indexed.
Reference:
Building Full-Text Search Applications with Oracle Text
Understanding SQL Server Full-Text
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Query to list number of records in each table in a database
...up, you can also use this:
SELECT
t.NAME AS TableName,
i.name as indexName,
p.[Rows],
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as DataPages,
(sum(a.total_pages) * 8) / 1024 as TotalSpaceMB,
(sum(a.used_pages) * 8) / 1024...
Why the switch statement cannot be applied on strings?
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The reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string.
In order to generate the code for a switch statement the compiler must under...