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Removing fields from struct or hiding them in JSON Response
...if empty.
// Note the leading comma.
Field int `json:",omitempty"`
doc : http://golang.org/pkg/encoding/json/#Marshal
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C default arguments
...ewhere, so here's a detailed external link to supplement the summary here: http://modelingwithdata.org/arch/00000022.htm
We'd like to turn
double f(int i, double x)
into a function that takes defaults (i=8, x=3.14). Define a companion struct:
typedef struct {
int i;
double x;
} f_args;
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What's the difference between URI.escape and CGI.escape?
... discussion on ruby-core for those interested which also mentions WEBrick::HTTPUtils.escape and WEBrick::HTTPUtils.escape_form.
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How to fix SSL certificate error when running Npm on Windows?
...s not fun. I'll try and keep this platform agnostic/aware where possible.
HTTP_PROXY & HTTPS_PROXY
HTTP_PROXY & HTTPS_PROXY are environment variables used by lots of software to know where your proxy is. Under Windows, lots of software also uses your OS specified proxy which is a totally d...
How to concatenate strings in twig
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This should work fine:
{{ 'http://' ~ app.request.host }}
To add a filter - like 'trans' - in the same tag use
{{ ('http://' ~ app.request.host) | trans }}
As Adam Elsodaney points out, you can also use string interpolation, this does require dou...
Multiple aggregations of the same column using pandas GroupBy.agg()
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Write applications in C or C++ for Android? [closed]
...K.
You can download the Android NDK (Native Development Kit) from here:
https://developer.android.com/ndk/downloads/index.html
Also there is an blog post about the NDK:
http://android-developers.blogspot.com/2009/06/introducing-android-15-ndk-release-1.html
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Parsing query strings on Android
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On Android, the Apache libraries provide a Query parser:
http://developer.android.com/reference/org/apache/http/client/utils/URLEncodedUtils.html and http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/client/utils/URLEncodedUtils.html
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How to write a:hover in inline CSS?
...nk");
link.setAttribute("rel","stylesheet");
link.setAttribute("href","http://wherever.com/yourstylesheet.css");
var head = document.getElementsByTagName("head")[0];
head.appendChild(link);
</script>
Caution: the above assumes there is a head section.
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PHP ORMs: Doctrine vs. Propel
...trine.
I think this page from the Doctrine documentation is worth a read: http://www.doctrine-project.org/documentation/manual/1_2/en/introduction:doctrine-explained
To sum up: If I were starting a new project or had to choose between learning Doctrine and Propel I'd go for Doctrine any day.
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