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dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
... went away. Makes sense, but given how much other stuff Xcode 6.0 automagically configures for you, it's a shame this essential option was overlooked.
– hsoi
Sep 16 '14 at 11:10
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What is the difference between active and passive FTP?
...nd passive are the two modes that FTP can run in.
For background, FTP actually uses two channels between client and server, the command and data channels, which are actually separate TCP connections.
The command channel is for commands and responses while the data channel is for actually transferr...
Calculate number of hours between 2 dates in PHP
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The newer PHP-Versions provide some new classes called DateTime, DateInterval, DateTimeZone and DatePeriod. The cool thing about this classes is, that it considers different timezones, leap years, leap seconds, summertime, etc. And on top of that it's very easy to use. Here...
How do I run Asynchronous callbacks in Playground
Many Cocoa and CocoaTouch methods have completion callbacks implemented as blocks in Objective-C and Closures in Swift. However, when trying these out in Playground, the completion is never called. For example:
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Java: Static Class?
...tantiating an instance of it makes no semantic sense, but I still want to call its methods. What is the best way to deal with this? Static class? Abstract?
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html onchange event not working
... 'onkeypres', 'onkeyup', etc. is not a solution when one wants to call a function only if the text has changed! Key events produce an unnecessary traffic in this case. (Very strange that this reply has been chosen as a solution, esp. with so meny votes!! I don't downvote it, because I don't...
If statement in aspx page
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Normally you'd just stick the code in Page_Load in your .aspx page's code-behind.
if (someVar) {
Item1.Visible = true;
Item2.Visible = false;
} else {
Item1.Visible = false;
Item2.Visible = true;
}
This assumes...
base64 encoded images in email signatures
... to include some images (company logo's etc) in email signatures. I've had all sorts of issues using the embedded images produced by the email system in question (they get sent as attachments generally) and as linked images (requiring permission to display them in the email received).
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Is Java's assertEquals method reliable?
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You should always use .equals() when comparing Strings in Java.
JUnit calls the .equals() method to determine equality in the method assertEquals(Object o1, Object o2).
So, you are definitely safe using assertEquals(string1, string2). (Because Strings are Objects)
Here is a link to a great Sta...
Express.js req.body undefined
...ress.bodyParser() is no longer bundled as part of express. You need to install it separately before loading:
npm i body-parser
// then in your app
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// create application/json parser
var jsonParser = body...