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Why use iterators instead of array indices?

... The first form is efficient only if vector.size() is a fast operation. This is true for vectors, but not for lists, for example. Also, what are you planning to do within the body of the loop? If you plan on accessing the elements as...
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send Content-Type: application/json post with node.js

...t', url:'https://www.googleapis.com/urlshortener/v1/url', form: {name:'hello',age:25}, headers: headersOpt, json: true, }, function (error, response, body) { //Print the Response console.log(body); }); ...
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Convert Object to JSON string

... Convert JavaScript object to json data $("form").submit(function(event){ event.preventDefault(); var formData = $("form").serializeArray(); // Create array of object var jsonConvertedData = JSON.stringify(formData); // Convert to json consol.log(jsonConverte...
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What's the difference between a POST and a PUT HTTP REQUEST?

...rticles; Providing a block of data, such as the result of submitting a form, to a data-handling process; Extending a database through an append operation. HTTP 1.1 RFC location for POST Difference between POST and PUT: The RFC itself explains the core difference: The fundamental differe...
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Hide console window from Process.Start C#

...her annoying thing is the console window is displayed on top of my windows form and i cant do any other operations on that form. I have set all properties like CreateNoWindow = true , ...
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C# code to validate email address

... more forgiving than you might first assume. These are all perfectly valid forms: cog@wheel "cogwheel the orange"@example.com 123@$.xyz For most use cases, a false "invalid" is much worse for your users and future proofing than a false "valid". Here's an article that used to be the accepted answ...
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Should I avoid 'async void' event handlers?

...factor out the logic of all async void methods. E.g., public async Task OnFormLoadAsync(object sender, EventArgs e) { await Task.Delay(2000); ... } private async void Form_Load(object sender, EventArgs e) { await OnFormLoadAsync(sender, e); } ...
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Is there any way to view the currently mapped keys in Vim?

... addition to answers about :map with no arguments: do not miss its verbose form (:verbose map) which shows where the mapping(s) was defined (see :help map-verbose). share | improve this answer ...
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Scaling Node.js

...e_redis. npm install hiredis redis Hiredis is what gives you kickass performance because it compiles to C code inside node. Here are some benchmarks from redis when used with hiredis. PING: 20000 ops 46189.38 ops/sec 1/4/1.082 SET: 20000 ops 41237.11 ops/sec 0/6/1.210 GET: 20000 ops 39682.54 ops...
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Are “elseif” and “else if” completely synonymous?

...l with a parse error. Which means that in the normal control structure form (ie. using braces): if (first_condition) { } elseif (second_condition) { } either elseif or else if can be used. However, if you use the alternate syntax, you must use elseif: if (first_condition): // ... elseif ...