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Django filter versus get for single object?
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get() is provided specifically for this case. Use it.
Option 2 is almost precisely how the get() method is actually implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're...
Use of alloc init instead of new
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There are a bunch of reasons here: http://macresearch.org/difference-between-alloc-init-and-new
Some selected ones are:
new doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you...
How do I convert an NSString value to NSData?
...he NULL terminator
Following the comments, official documentation, and verifications, this answer was updated regarding the removal of an alleged NULL terminator:
As documented by dataUsingEncoding::
Return Value
The result of invoking dataUsingEncoding:allowLossyConversion: with NO as t...
DropDownList in MVC 4 with Razor
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If you defined the List in controller, Then you need in View to cast it , like this: @Html.DropDownListFor(model => model.model_year, ViewBag.Years as List<SelectListItem>, "-- Select Year --")
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Setting Authorization Header of HttpClient
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This is not working, if you inspect the Auhtorization header is does not contains anything more than a string Basic.
– Raffaeu
Oct 31 '14 at 11:59
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
For example if I were to have a table "Person" with a column "id" that references a column "id" in table "Worker"
5 Answers...
Redirect Windows cmd stdout and stderr to a single file
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If there is a Handle, there cannot be a space between the Handle (i.e. 2) and the redirect operator (i.e. >). Therefore 2> 2.txt works (or 2> &1) 2 > 2.txt does not; 2 > &1 does not.
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How do you get the length of a list in the JSF expression language?
...this.somelist.length; }
In your JSF page:
#{MyBean.somelistLength}
Two: If you're using Facelets (Oh, God, why aren't you using Facelets!), you can add the fn namespace and use the length function
In JSF page:
#{ fn:length(MyBean.somelist) }
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Android, How to limit width of TextView (and add three dots at the end of text)?
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btw, android:maxLines can be greater than 1 if you want :)
– Touré Holder
Nov 23 '17 at 7:35
1
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Find substring in the string in TWIG
I want to find substring of the string or check if there is no such substring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php.
I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem?
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