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Difference between . and : in Lua
...nly once. In this case, there's a clear difference between obj.method(obj, etc) and obj:method(etc).
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Const in JavaScript: when to use it and is it necessary?
...ehaviour is only applicable to Strings, Basic Types. Using Objects, Arrays etc. it is possible to change the values but it is not possible to re-assign an new "Object", e.g. const a = ["a","b"]; a = []; will throw an error otherwise it is possible
– Fer To
Feb ...
Fundamental difference between Hashing and Encryption algorithms
...'t work as well in practice because of re-encoding, changing file headers, etc, but it's an example use-case).
Use a hash function when you're checking validity of input data. That's what they are designed for. If you have 2 pieces of input, and want to check to see if they are the same, run both...
Should programmers use SSIS, and if so, why? [closed]
...ing topics an ETL developer MUST know ? Eg. LINQ, SqlDataReader, DataTable etc. I too feel that SSIS is not good for complex tasks. If you have a easy "copy-paste" project/task, then SSIS might be the best tool.
– Steam
Feb 18 '14 at 19:54
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Is there any way to view the currently mapped keys in Vim?
... all of the keys maps made in the current buffer by all of plugins, vimrc, etc, in the current buffer. Is there anyway to do this?
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Swift native base class or NSObject
...erned about: observers, AOP, test mocking frameworks, analytic frameworks, etc. . and the thing about performance is that 90% of gains come from tuning 10%. . so that's my rationale - opt-in for those 10% cases. I think AOP will be a big deal for iOS enterprise apps, but it could be done using a com...
How can I count text lines inside an DOM element? Can I?
...:
var element = document.getElementById('content');
document.defaultView.getComputedStyle(element, null).getPropertyValue("lineHeight");
You will also need to take padding and inter-line spacing into account.
EDIT
Fully self-contained test, explicitly setting line-height:
function countLin...
Visual Studio popup: “the operation could not be completed”
...tion_FileName.suo" file?"
Also computer crashing like e.g. power outage etc...
Applies to Update 2 and Update 3 as well as fresh base without any updates...
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MySQL - why not index every field?
...he line, that depends on how the data is being acessed (sorting filtering, etc.).
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Any way to make a WPF textblock selectable?
... (blinking caret in TextBox, no keyboard support in manual implementations etc.)
After hours of digging around and reading the WPF source code, I instead discovered a way of enabling the native WPF text selection for TextBlock controls (or really any other controls). Most of the functionality aroun...