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All falsey values in JavaScript
...t is truthy
[], [[]] and [0] (thanks cloudfeet for the JavaScript Equality Table link)
Some more truthy values
These are just a few values that some people might expect to be falsey, but are actually truthy.
-1 and all non-zero negative numbers
' ', " ", "false", 'null'... all non-empty strin...
Differences between detach(), hide() and remove() - jQuery
...
Imagine a piece of paper on a table with some notes written with pencil.
hide -> throw a clothe onto it
empty -> remove the notes with an eraser
detach -> grab the paper in your hand and keep it there for whatever future plans
remove -> grab...
Should I use PATCH or PUT in my REST API?
...group id} { "attributes": { "status": "deleted" } }
response: 406 Not Acceptable
Replacing the resource, without side-effects use PUT.
PUT /groups/{group id}
In case you wish to replace an entire Group. This does not necessarily mean that the server actually creates a new group and throws the ol...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
....168.1.136:27017 would veto with 'I don't think 192.168.1.138:27017 is electable'
Sun Dec 29 20:26:31.059 [rsHealthPoll] replset info 192.168.1.137:27017 thinks that we are down
Sun Dec 29 20:26:31.059 [rsHealthPoll] replSet member 192.168.1.137:27017 is now in state STARTUP2
Sun Dec 29 20:26:31....
C pointers : pointing to an array of fixed size
...people get confused by a rather convoluted syntax and are simply not comfortable enough with such features of C language to use them properly. For this reason, in average real life, passing an array as a pointer to its first element is a more popular approach. It just looks "simpler".
But in realit...
What is the purpose of the EBP frame pointer register?
...er can figure out where local variables and arguments are using the symbol table since they are guaranteed to be at a constant offset to EBP. Otherwise there isn't an easy way to figure where a local variable is at any point in code.
As Greg mentioned, it also helps stack unwinding for a debugger s...
Biggest GWT Pitfalls? [closed]
...nnot inspect (inside my IntelliJ debugger) what's happening in the GWT EXT table class... All you can see is that it's a JavaScriptObject. This makes it quite difficult to figure out what's gone wrong...
Not having someone on your team who knows CSS. From my experience, it didn't matter that the per...
Generate a random point within a circle (uniformly)
...m[] 2 Pi;
r = If[u > 1, 2 - u, u];
{r Cos[t], r Sin[t]}
]
ListPlot[Table[f[], {10000}], AspectRatio -> Automatic]
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When to use RDLC over RDL reports?
...lasses filled with Entity framework objects or ADO.NET directly as well as tables themselves. You can monkey with the data for optimization it before binding it to the report.
You can customize the look more with add on's directly in code behind.
Downsides:
You need to handle parameters on your...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
I'm using Primefaces in a JSF 2 application. I have a <p:dataTable> , and instead of selecting rows, I want the user to be able to directly execute various actions on individual rows. For that, I have several <p:commandLink> s in the last column.
...