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Using node.js as a simple web server

... Explorer reg.exe add HKCR\Directory\shell\LightServer\command /ve /t REG_EXPAND_SZ /f /d "\"C:\nodejs\light-server.cmd\" \"-o\" \"-s\" \"%V\"" Simple JSON REST server If you need to create a simple REST server for a prototype project then json-server might be what you're looking for. Auto Ref...
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How to import CSV file data into a PostgreSQL table?

...rticle. Solution paraphrased here: Create your table: CREATE TABLE zip_codes (ZIP char(5), LATITUDE double precision, LONGITUDE double precision, CITY varchar, STATE char(2), COUNTY varchar, ZIP_CLASS varchar); Copy data from your CSV file to the table: COPY zip_codes FROM '/path/to/csv/ZI...
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Is it better in C++ to pass by value or pass by constant reference?

...r iterators and for function objects (lambdas, classes deriving from std::*_function). This was especially true before the existence of move semantics. The reason is simple: if you passed by value, a copy of the object had to be made and, except for very small objects, this is always more expensive...
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Unique fields that allow nulls in Django

...pty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None: class FooForm(forms.ModelForm): class Meta: model = Foo def clean_bar(self): return self.cleaned_data['bar'] or None class FooAdmin(admin.ModelAdmin...
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Java ByteBuffer to String

...sibling getBytes() method: byte[] bytes = k.getBytes( StandardCharsets.UTF_8 ); To put bytes with a particular encoding into a String, you can use a different String constructor: String v = new String( bytes, StandardCharsets.UTF_8 ); Note that ByteBuffer.array() is an optional operation. If y...
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Is there any way to post events to Google Analytics via server-side API? [closed]

... $aParams['qt'] = 0; //Client ID $aParams['cid'] = substr(md5($_SERVER['REMOTE_ADDR'].$_SERVER['HTTP_USER_AGENT']), 0, 8); //User ID //$aParams['uid'] = ''; //Session Control //$aParams[''] = ''; //IP Override $aParams['uip'] = $_SERVER['REMOTE_ADDR']; //U...
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Preserving order with LINQ

... so because OrderBy is a stable sort, then: seq.OrderBy( _ => _.Key ) will put the elements in to exactly the same order as seq.GroupBy( _ => _.Key ).SelectMany( _ => _ ). Is that correct? – dmg Feb 1 '16 at 22:11 ...
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Reliable method to get machine's MAC address in C#

...address.</returns> private string GetMacAddress() { const int MIN_MAC_ADDR_LENGTH = 12; string macAddress = string.Empty; long maxSpeed = -1; foreach (NetworkInterface nic in NetworkInterface.GetAllNetworkInterfaces()) { log.Debug( "Found MAC Address: "...
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What is the copy-and-swap idiom?

...nclude <algorithm> // std::copy #include <cstddef> // std::size_t class dumb_array { public: // (default) constructor dumb_array(std::size_t size = 0) : mSize(size), mArray(mSize ? new int[mSize]() : nullptr) { } // copy-constructor dumb_array(...
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Finding out the name of the original repository you cloned from in Git

...igin -n | ruby -ne 'puts /^\s*Fetch.*(:|\/){1}([^\/]+\/[^\/]+).git/.match($_)[2] rescue nil' It was tested with three different URL styles: echo "Fetch URL: http://user@pass:gitservice.org:20080/owner/repo.git" | ruby -ne 'puts /^\s*Fetch.*(:|\/){1}([^\/]+\/[^\/]+).git/.match($_)[2] rescue nil' e...