大约有 12,000 项符合查询结果（耗时：0.0199秒） [XML]
nvarchar(max) vs NText
...fields in ancient Linq2SQL code. This was to allow text columns present in indexes to be rebuilt ONLINE.
First I've known about the benefits for years, but always assumed that converting would mean some scary long queries where SQL Server would have to rebuild the table and copy everything over, br...
javascript i++ vs ++i [duplicate]
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if you're using the result as an array index, you can also offset it by 1 initially, for prefixing =]
– Garet Claborn
Jun 19 '14 at 12:05
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Is there a way to 'uniq' by column?
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@eshwar just add more fields to the dictionary index! For instance, !_[$1][$2]++ can be used to sort by the first two fields. My awk-fu isn't strong enough to be able to unique on a range of fields, though. :(
– Soham Chowdhury
Jan 2...
Parsing a CSV file using NodeJS
...gniew\n94,Gainsbourg,Serge')
.to(console.log)
.transform(function(row, index, callback){
process.nextTick(function(){
callback(null, row.reverse());
});
});
From my experience, I can say that it is also a rather fast implementation, I have been working with it on data sets with n...
How to set selected item of Spinner by value, not by position?
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A simple way to set spinner based on value is
mySpinner.setSelection(getIndex(mySpinner, myValue));
//private method of your class
private int getIndex(Spinner spinner, String myString){
for (int i=0;i<spinner.getCount();i++){
if (spinner.getItemAtPosition(i).toString().equals...
Using multiple delimiters in awk
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Perl is closely related to awk, however, the @F autosplit array starts at index $F[0] while awk fields start with $1.
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How can I strip first and last double quotes?
...trings that are 2 characters or less. Right now this function can throw an index out of bounds exception for a string of length 0. Additionally, you can strip a quote from a string that is 1 character long. You could add a guard, len(s) >= 2, or something similar.
– BrennanR...
Best practices for API versioning? [closed]
...g platforms/languages commonly used to implement web services (Java, .NET, PHP, Perl, Rails, etc.) allow easy binding of web service end-point(s) to a base URI. This way it's easy to gather and keep a collection of files/classes/methods separate across different API versions.
From the API users PO...
How do you do relative time in Rails?
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If you are in a controller
include ActionView::Helpers::DateHelper
def index
@sexy_date = time_ago_in_words(Date.today - 1)
end
Controllers do not have the module ActionView::Helpers::DateHelper imported by default.
N.B. It is not "the rails way" to import helpers into your controllers. He...
How to remove the left part of a string?
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I prefer pop to indexing [-1]:
value = line.split("Path=", 1).pop()
to
value = line.split("Path=", 1)[1]
param, value = line.split("Path=", 1)
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