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Inputting a default image in case the src attribute of an html is not valid?
...t;img> tag, in case the src attribute is invalid (using only HTML)? If not, what would be your lightweight way to work around it?
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How does TransactionScope roll back transactions?
...base connections. When you open a DB connection the connections will looks if there is an ambient transaction (Transaction Scope) and if so enlist with it. Caution if there are more the one connection to the same SQL server this will escalate to a Distribtued Transaction.
What happens since you're...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
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It seems like an IllegalArgumentException is called for if you don't want null to be an allowed value, and the NullPointerException would be thrown if you were trying to use a variable that turns out to be null.
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How to use a switch case 'or' in PHP
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If you must use || with switch then you can try :
$v = 1;
switch (true) {
case ($v == 1 || $v == 2):
echo 'the value is either 1 or 2';
break;
}
If not your preferred solution would have been
switch(...
Difference between ObservableCollection and BindingList
I want to know the difference between ObservableCollection and BindingList because I've used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other.
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How to convert an NSTimeInterval (seconds) into minutes
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Brief Description
The answer from Brian Ramsay is more convenient if you only want to convert to minutes.
If you want Cocoa API do it for you and convert your NSTimeInterval not only to minutes but also to days, months, week, etc,... I think this is a more generic approach
Use NSCalendar me...
Does List guarantee insertion order?
... the order is guaranteed.
You might be getting odd results from your code if you're moving the item later in the list, as your Remove() will move all of the other items down one place before the call to Insert().
Can you boil your code down to something small enough to post?
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Conditional formatting based on another cell's value
... the background color of cell B5 based on the value of another cell - C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
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Commenting multiple lines in DOS batch file
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If you want to add REM at the beginning of each line instead of using GOTO, you can use Notepad++ to do this easily following these steps:
Select the block of lines
hit Ctrl-Q
Repeat steps to uncomment
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Is it possible to change the package name of an Android app on Google Play?
...ngs That Cannot Change:
The most obvious and visible of these is the “manifest package name,” the unique name you give to your application in its AndroidManifest.xml. The name uses a Java-language-style naming convention, with Internet domain ownership helping to avoid name collisions. For examp...