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What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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Hidden Features of Java
...c name for creating an anonymous inner class, glossing over what's really happening and making it sound as if inner classes were intended to be used this way. This is a pattern I'd prefer remain hidden.
– erickson
Oct 23 '08 at 14:27
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Navigation in django
I've just done my first little webapp in django and I love it. I'm about to start on converting an old production PHP site into django and as part its template, there is a navigation bar.
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How to cancel an $http request in AngularJS?
...that cannot wait for this to be fixed I'm sharing a jQuery Ajax solution wrapped in Angular.
The solution involves two services:
HttpService (a wrapper around the jQuery Ajax function);
PendingRequestsService (tracks the pending/open Ajax requests)
Here goes the PendingRequestsService service:
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What is causing “Unable to allocate memory for pool” in PHP?
...up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Creating temporary files in Android
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can i assume the file will remain as long as the app is running, even if other apps also run and create their own temporary files ?
– android developer
Jul 30 '13 at 8:57
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Android Facebook integration with invalid key hash
In one of my apps I need to get data from Facebook... I am doing this:
25 Answers
25
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Mismatched anonymous define() module
I'm getting this error when I browse my webapp for the first time (usually in a browser with disabled cache).
7 Answers
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How to set environment variables in Jenkins?
...valuates to key=value. In my use case I generate the line completely: cat app/build.gradle | grep "def majorVersion" | python -c 'import sys,re,os; print("VERSION_NUMBER="+re.findall(r"[\d+\.]+", sys.stdin.read())[0]+os.environ["BUILD_NUMBER"])'
– kenny_k
Jun ...
Perform debounce in React.js
...'s returned promise will resolve
a single this.setState({ result }); will happen per API call
Eventually, you may add another trick if your component unmounts:
componentWillUnmount() {
this.setState = () => {};
}
Note that Observables (RxJS) can also be a great fit for debouncing inputs, b...