Dev Stack Source

Example: css select last character : first-child : first-of-type : only-child : last-child : last-of-type : only-of-type : nth-child : nth-of-type : nth-last-child : nth-last-of-type : : first-letter : : first-line : : first-word : : last-letter : : last-line : : last-word : : nth-letter : : nth-line : : nth-word : : nth-last-letter : : nth-last-line : : nth-last-word

Example: how to do a background blur in css /* Answer to "blur behind element css" */ /* This blurs everything behind the element it's applied to */ backdrop-filter : blur ( 10 px ) ;

Answer : This problem is related to Android Studio 3.6 and ConstraintLayout versions earlier than 2.0.0-beta3 - I've reported the issue here. This is fixed in ConstraintLayout 2.0.0-beta3. Android Studio 3.5 doesn't produce this error. To make it work in AS 3.6 beta, upgrade to ConstraintLayout 2.0.0-beta3 or later. If even upgrading ConstraintLayout doesn't help, try to add format attribute to your attr declaration in your attrs.xml file. <resources> <attr name="yourAttrName" format="string" /> </resources> Choose proper format for your attribute. upgrading to constraintlayout:2.0.0-beta4, worked for me , or later version. This happens after you upgrade android studio to 3.6

Example 1: foot to cm 1 foot = 30.48 cm Example 2: inch to foot 1 inch = 0.0833333333 foot

Example: express proxy //example reverse proxy using http proxy middleware without nginx https://github.com/restuwahyu13/express-reverse-proxy

Example 1: int to double java Double d = new Double ( i ) ; //first way Double d2 = Double . valueOf ( i ) ; //second way Example 2: how to change double to int in java class Scratch{ public static void main ( String [ ] args ) { double decimal = 5.7 ; System . out . println ( ( int ) decimal ) ; //casting System . out . println ( Math . round ( decimal * 10 ) / ( double ) 10 ) ; //Math.round() System . out . println ( decimal % 1 ) ; // modulus System . out . println ( Integer . parseInt ( String . valueOf ( decimal ) . substring ( 0 , String . valueOf ( decimal ) . indexOf ( "." ) ) ) ) ; // .substring() } } Example 3: java casting to int //In java, you can cast to any primitive type by putting (primitiveType) //before whatever you're casting to. private static int myInt = ( int ) myDouble ; Example 4: convert double into integer class DoubleToInt { public static void main ( String...

Example 1: add icon font awesome <i class= "fa fa-plus" aria-hidden= "true" ></i> Example 2: plus icon using font awesome //Add it at in head <link rel= "stylesheet" href= "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" > // Add it where u want to add icons <i class= "fa fa-plus" ></i> // u can also look at font awesome cheatsheet for reference.It will be helpful.

Answer : You just use the lm function to fit a linear model: x = runif(100) y = runif(100) spam = summary(lm(x~y)) > spam$r.squared [1] 0.0008532386 Note that the r squared is not defined for non-linear models, or at least very tricky, quote from R-help: There is a good reason that an nls model fit in R does not provide r-squared - r-squared doesn't make sense for a general nls model. One way of thinking of r-squared is as a comparison of the residual sum of squares for the fitted model to the residual sum of squares for a trivial model that consists of a constant only. You cannot guarantee that this is a comparison of nested models when dealing with an nls model. If the models aren't nested this comparison is not terribly meaningful. So the answer is that you probably don't want to do this in the first place. If you want peer-reviewed evidence, see this article for example; it's not that you can't compute the R^2 valu...

Answer : Unfortunately the opacity element makes the whole element (including any text) semi-transparent. The best way to make the border semi-transparent is with the rgba color format. For example, this would give a red border with 50% opacity: div { border: 1px solid rgba(255, 0, 0, .5); -webkit-background-clip: padding-box; /* for Safari */ background-clip: padding-box; /* for IE9+, Firefox 4+, Opera, Chrome */ } The problem with this approach is that some browsers do not understand the rgba format and will not display any border at all if this is the entire declaration. The solution is to provide two border declarations. The first with a fake opacity, and the second with the actual. If a browser is capable, it will use the second, if not, it will use the first. div { border: 1px solid rgb(127, 0, 0); border: 1px solid rgba(255, 0, 0, .5); -webkit-background-clip: padding-box; /* for Safari */ background-clip: padding-box; /* for IE9+, Firefox ...

Answer : I think you've got your understanding of the two properties off a little. Border affects the outside edge of the element, making the element different in size. Outline will not change the size or position of the element (takes up no space) and goes outside the border. From your description you want to use the border property. Look at the simple example below in your browser: <div style="height: 100px; width: 100px; background: black; color: white; outline: thick solid #00ff00">SOME TEXT HERE</div> <div style="height: 100px; width: 100px; background: black; color: white; border-left: thick solid #00ff00">SOME TEXT HERE</div> Notice how the border pushes the bottom div over, but the outline doesn't move the top div and the outline actually overlaps the bottom div. You can read more about it here: Border Outline Try the outline property W3Schools - CSS Outline Outline will not interfere with widths and lenghts of the elemen...

Answer : Try this: SELECT availablePlaces, capacity, ROUND(availablePlaces * 100.0 / capacity, 1) AS Percent FROM mytable You have to multiply by 100.0 instead of 100, so as to avoid integer division. Also, you have to use ROUND to round to the first decimal digit. Demo here

Answer : I found solution :) It is very very easy but i could't see at first :) only like that : <mat-cell *matCellDef="let element "> {{element[disCol]}} </mat-cell> I must use {{element[disCol]}} only in HTML. Now , everything is ok:) For a full working example based on @mevaka's Where jobDetails$ is the array of items. columns$ is equvilent to Object.keys(jobDetails$[0]) so is just an string[] <table mat-table [dataSource]="jobDetails$ | async"> <ng-container *ngFor="let disCol of (columns$ | async); let colIndex = index" matColumnDef="{{disCol}}"> <th mat-header-cell *matHeaderCellDef>{{disCol}}</th> <td mat-cell *matCellDef="let element">{{element[disCol]}}</td> </ng-container> <tr mat-header-row *matHeaderRowDef="(columns$ | async)"></tr> <tr mat-row *matRowDef="let row...

Example 1: youtube mp3 converter You can use WebTools, it's an addon that gather the most useful and basic tools such as a synonym dictionary, a dictionary, a translator, a youtube convertor, a speedtest and many others (there are ten of them). You can access them in two clics, without having to open a new tab and without having to search for them ! -Chrome Link : https://chrome.google.com/webstore/detail/webtools/ejnboneedfadhjddmbckhflmpnlcomge/ Firefox link : https://addons.mozilla.org/fr/firefox/addon/webtools/ Example 2: youtube to mp3 online This man is doing gods work

Example 1: bootstrap buttons Toggle states Add data-toggle="button" to toggle a button’s active state. If you’re pre-toggling a button, you must manually add the .active class and aria-pressed="true" to the < button > . < button type = " button " class = " btn btn-primary " data-toggle = " button " aria-pressed = " false " > Single toggle </ button > Example 2: btn-default class in bootstrap 4 < link rel = " stylesheet " href = " https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css " integrity = " sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm " crossorigin = " anonymous " > < div class = " container m-3 " > < a class = " btn btn-outline-secondary " > outline-secondary link </ a > < button type = " button " class = " btn btn-outline-...