大约有 6,887 项符合查询结果(耗时:0.0234秒) [XML]

https://stackoverflow.com/ques... 

There is already an open DataReader associated with this Command which must be closed first

...ened, }; return accounts.AsEnumerable() .Select((account, index) => new AccountsReport() { RecordNumber = FormattedRowNumber(account, index + 1), CreditRegistryId = account.CreditRegistryId, ...
https://stackoverflow.com/ques... 

Python list of dictionaries search

...(item for item in dicts if item["name"] == "Pam"), None) And to find the index of the item, rather than the item itself, you can enumerate() the list: next((i for i, item in enumerate(dicts) if item["name"] == "Pam"), None) ...
https://stackoverflow.com/ques... 

Git hook to send email notification on repo changes

...changed, 6 insertions(+), 0 deletions(-) diff --git a/Makefile b/Makefile index e184c66..9c9951b 100644 --- a/Makefile +++ b/Makefile @@ -5,6 +5,8 @@ VERSION = 0.1 DISTFILES = git-notifier README COPYING +WWW = $(HOME)/www/git-notifier + all: dist: @@ -13,3 +15,7 @@ dist: cp $(DISTFILES...
https://stackoverflow.com/ques... 

Numpy - add row to array

...struction in a single operation, then something like the vstack-with-fancy-indexing answer is a fine approach. But if your condition is more complicated or your rows come in on the fly, you may want to grow the array. In fact the numpythonic way to do something like this - dynamically grow an array ...
https://stackoverflow.com/ques... 

How do I position one image on top of another in HTML?

...mg { position: absolute; top: 25px; left: 25px; } .imgA1 { z-index: 1; } .imgB1 { z-index: 3; } <img class="imgA1" src="https://placehold.it/200/333333"> <img class="imgB1" src="https://placehold.it/100"> Source ...
https://stackoverflow.com/ques... 

Drop data frame columns by name

...eps] EDIT : For those still not acquainted with the drop argument of the indexing function, if you want to keep one column as a data frame, you do: keeps <- "y" DF[ , keeps, drop = FALSE] drop=TRUE (or not mentioning it) will drop unnecessary dimensions, and hence return a vector with the va...
https://stackoverflow.com/ques... 

Laravel blank white screen

... Try this, in the public/index.php page error_reporting(E_ALL); ini_set('error_reporting', E_ALL); ini_set("display_errors", 1); share | improve t...
https://stackoverflow.com/ques... 

Merging dictionaries in C#

...roupBy would be better suited than ToLookup ? I think ILookup just adds an indexer, size property and contains method on top of IGrouping - so it got to be a tiny little bit faster ? – toong May 30 '13 at 15:25 ...
https://stackoverflow.com/ques... 

How do I get the first n characters of a string without checking the size or going out of bounds?

...ava without doing a size check first (inline is acceptable) or risking an IndexOutOfBoundsException ? 9 Answers ...
https://stackoverflow.com/ques... 

How do I pass the value (not the reference) of a JS variable to a function? [duplicate]

...l= results.length; i < l; i++) { marker = results[i]; (function(index){ google.maps.event.addListener(marker, 'click', function() { change_selection(index); }); })(i); } EDIT, 2013: These are now commonly referred to as an IIFE ...