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What is the proper way to re-throw an exception in C#? [duplicate]
...ls.
Or you could do your own checking:
public CopyTo(T[] array, int arrayIndex)
{
if(array == null)
throw new ArgumentNullException("array");
if(arrayIndex < 0)
throw new ArgumentOutOfRangeException("arrayIndex", "Array Index must be zero or greater.");
if(Count > array.Length ...
Compare DATETIME and DATE ignoring time portion
...th datefields have been typecast, meaning you'll be unable to leverage any indexes.
So, if there is a need to write a query that can benefit from an index on a date field, then the following (rather convoluted) approach is necessary.
The indexed datefield (call it DF1) must be untouched by any ki...
What is the correct syntax for 'else if'?
...hon.org/3.1 the important links are Tutorial: docs.python.org/3.1/tutorial/index.html Language reference: docs.python.org/3.1/reference/index.html Library refernce: docs.python.org/3.1/library/index.html
– Lyndon White
Mar 7 '10 at 10:37
...
How to create a drop shadow only on one side of an element?
...ntent:"";
position:absolute;
width:100%;
bottom:1px;
z-index:-1;
transform:scale(.9);
box-shadow: 0px 0px 8px 2px #000000;
}
<div id="box" class="box-shadow"></div>
UPDATE 3
All my previous answers have been using extra markup to get create this ef...
How can I add an item to a SelectList in ASP.net MVC
... Populating a SelectListItem, converting to an List, and adding a value at index 0.
List<SelectListItem> items = new SelectList(CurrentViewSetups, "SetupId", "SetupName", setupid).ToList();
items.Insert(0, (new SelectListItem { Text = "[None]", Value = "0" }));
ViewData["SetupsSelectList"]...
What is the difference between `git merge` and `git merge --no-ff`?
...p
# deleted: passthru-adapter.igs
# deleted: shop/mickey/index.php
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# ecc/upgrade.php
# ecc/webgility-config.php
# ecc/webgility-config.php.bak
# ecc/webgility-mag...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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Using the Swift if let with logical AND operator &&
...
Swift 4, I will use,
let i = navigationController?.viewControllers.index(of: self)
if let index = i, index > 0, let parent = navigationController?.viewControllers[index-1] {
// access parent
}
share
...
Commenting multiple lines in DOS batch file
...do this easily following these steps:
Select the block of lines
hit Ctrl-Q
Repeat steps to uncomment
share
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...
Merge multiple lines (two blocks) in Vim
...use the pipe character (|) to chain multiple Ex commands, so the above is equivalent to
:5,8del
:let l=split(@")
:1,4s/$/\=remove(l,0)/
Many Ex commands accept a range of lines as a prefix argument - in the above case the 5,8 before the del and the 1,4 before the s/// specify which lines the comm...