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Null coalescing in powershell
... evaluated
Null Conditional Assignment
$x = $null
$x ??= 100 # $x is now 100
$x ??= 200 # $x remains 100
Ternary Operator
$true ? "this value returned" : "this expression not evaluated"
$false ? "this expression not evaluated" : "this value returned"
Previous Versions:
No need for ...
What is the Git equivalent for revision number?
...es, how can git reasonably assign a sequential revision number? A has no knowledge of B before they push/pull each other's changes.
Another thing to look at is simplified branching for bugfix branches:
Start with a release: 3.0.8. Then, after that release, do this:
git branch bugfixes308
This...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
...tocol extensions take care of most of the boilerplate for these, which are now imported as a struct that conforms to OptionSetType. (RawOptionSetType has disappeared as of Swift 2 beta 2.) The declaration is far simpler:
struct MyOptions : OptionSetType {
let rawValue: Int
static let None ...
Java Date cut off time information
... FYI, the troublesome old date-time classes such as java.util.Calendar are now legacy, supplanted by the java.time classes. See Tutorial by Oracle.
– Basil Bourque
Sep 2 '17 at 17:52
...
How to Loop through items returned by a function with ng-repeat?
...latter case, the error "10 $digest() iterations reached." will be logged.
Now about ngRepeat. For each watch.get call it stores objects from collection (returning value of getEntities) with additional information in cache (HashQueueMap by hashKey). For every watch.get call ngRepeat tries to get obj...
Convert Pandas column containing NaNs to dtype `int`
...
In v0.24, you can now do df = df.astype(pd.Int32Dtype()) (to convert the entire dataFrame, or) df['col'] = df['col'].astype(pd.Int32Dtype()). Other accepted nullable integer types are pd.Int16Dtype and pd.Int64Dtype. Pick your poison.
...
Retrieve specific commit from a remote Git repository
...ged by Junio C Hamano -- gitster -- in commit a9d3493, 01 Jun 2015)
You now have a new config (on the server side)
uploadpack.allowReachableSHA1InWant
Allow upload-pack to accept a fetch request that asks for an object that is reachable from any ref tip. However, note that calculating objec...
How to call a JavaScript function from PHP?
... 'text'
);
function someOtherFunctionYouWantToCall() {
// stuff
}
Now, if you're dead-set on sending a function name from PHP back to the AJAX call, you can do that too.
$.get(
'wait.php',
{},
function(returnedData) {
// Assumes returnedData has a javascript function ...
Can I embed a custom font in an iPhone application?
...:
Custom Font Support
Applications that want to use custom fonts can now include those fonts in their application bundle and register those fonts with the system by including the UIAppFonts key in their Info.plist file. The value of this key is an array of strings identifying the font files in...
Unable to type in Visual Studio
...ws button + R
Type %temp% in the text box.
Press enter
Run window image
Now you will see your all temp file. Just press Ctrl+A to select all files
in the temp folder. Now delete all of them. some files will not be deleted. Just skip them.
Now Open Your visual studio and try to edit syntax. I hop...