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Finding row index containing maximum value using R
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See ?order. You just need the last index (or first, in decreasing order), so this should do the trick:
order(matrix[,2],decreasing=T)[1]
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How can I get the line number which threw exception?
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{
var lineNumber = 0;
const string lineSearch = ":line ";
var index = ex.StackTrace.LastIndexOf(lineSearch);
if (index != -1)
{
var lineNumberText = ex.StackTrace.Substring(index + lineSearch.Length);
if (int.TryParse(lineNumberText, out lineNumber))
{
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What's the difference between '$(this)' and 'this'?
...e, in .each, the callback function commonly used allows for .each(function(index,element){/*scope*/}). In that scope, this == element is true.
jQuery callbacks use the apply function to bind the function being called with the current element. This element comes from the jQuery object's element arr...
Best practices for SQL varchar column length [closed]
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@Ariel: There are issues and limitations on indexes to consider, too. You can't have a (a,b,c,d) index when all four columns are VARCHAR(255).
– ypercubeᵀᴹ
Nov 28 '11 at 23:30
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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In [9]: pd.Series(df.Letter.values,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}
Speed comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(...
Copy file(s) from one project to another using post build event…VS2010
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xcopy "$(ProjectDir)Views\Home\Index.cshtml" "$(SolutionDir)MEFMVCPOC\Views\Home"
and if you want to copy entire folders:
xcopy /E /Y "$(ProjectDir)Views" "$(SolutionDir)MEFMVCPOC\Views"
Update: here's the working version
xcopy "$(ProjectDir)Views\...
SQL Server 2005 How Create a Unique Constraint?
...t to do it from a Database Diagram:
right-click on the table and select 'Indexes/Keys'
click the Add button to add a new index
enter the necessary info in the Properties on the right hand side:
the columns you want (click the ellipsis button to select)
set Is Unique to Yes
give it an appropriate...
AI助手重构版问题记录 - AI 助手 - 清泛IT社区，为创新赋能！
..._condition","dict":{"get_var": "weatherData"},"default_val":{"list":[]}}},"index": 0}},"default_val": "--"}},"°C"]}},{"set_prop": "WeatherValueLabel.Text","value":{"dict_lookup":{"key": "weatherDesc","dict":{"select_item":{"list":{"dict_lookup":{"key": "current_condition","dict":{"get_var": "weathe...
Django Rest Framework File Upload
...rField(default=0)
upload_date = models.DateTimeField(auto_now=True, db_index=True)
owner = models.ForeignKey('auth.User', related_name='uploaded_files')
size = models.IntegerField(default=0)
Now, For APIs this is what I want:
GET:
When I fire the GET endpoint, I want all above fiel...
How to overcome TypeError: unhashable type: 'list'
... for line in input_file:
fields = line.split()
j = fields.index("x")
k = " ".join(fields[:j])
d.setdefault(k, []).append(" ".join(fields[j+1:]))
The dict.setdefault() method above replaces the if k not in d logic from your code.
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