You certainly can define functions in script files (I then tend to load them through my Powershell profile on load).

First you need to check to make sure the function is loaded by running:

ls function:\ | where { $_.Name -eq "A1"  }

And check that it appears in the list (should be a list of 1!), then let us know what output you get!

Use the Linux Command Line

Use the command line, as described in this related question: How do I check if my SSL Certificate is SHA1 or SHA2 on the commandline.

Command

Here's the command. Replace www.yoursite.com:443 to fit your needs. Default SSL port is 443:

openssl s_client -connect www.yoursite.com:443 < /dev/null 2>/dev/null \
    | openssl x509 -text -in /dev/stdin | grep "Signature Algorithm"

Results

This should return something like this for the sha1:

Signature Algorithm: sha1WithRSAEncryption

or this for the newer version:

Signature Algorithm: sha256WithRSAEncryption

References

The article Why Google is Hurrying the Web to Kill SHA-1 describes exactly what you would expect and has a pretty graphic, too.

Two or three ways (depends what you want), say we are at Current Date is (in tsql code) -

DECLARE @myCurrentDate datetime = '11Apr2014 10:02:25 AM'

(BTW - did you mean 11April2014 or 04Nov2014 in your original post? hard to tell, as datetime is culture biased. In Israel 11/04/2015 means 11April2014. I know in the USA 11/04/2014 it means 04Nov2014. tommatoes tomatos I guess)

1. SELECT @myCurrentDate + 360 - by default datetime calculations followed by + (some integer), just add that in days. So you would get 2015-04-06 10:02:25.000 - not exactly what you wanted, but rather just a ball park figure for a close date next year.

2. SELECT DateADD(DAY, 365, @myCurrentDate) or DateADD(dd, 365, @myCurrentDate) will give you '2015-04-11 10:02:25.000'. These two are syntatic sugar (exacly the same). This is what you wanted, I should think. But it's still wrong, because if the date was a "3 out of 4" year (say DECLARE @myCurrentDate datetime = '11Apr2011 10:02:25 AM') you would get '2012-04-10 10:02:25.000'. because 2012 had 366 days, remember? (29Feb2012 consumes an "extra" day. Almost every fourth year has 29Feb).

3. So what I think you meant was

   SELECT DateADD(year, 1, @myCurrentDate)
   

   which gives 2015-04-11 10:02:25.000.

4. or better yet

   SELECT DateADD(year, 1, DateADD(day, DateDiff(day, 0, @myCurrentDate), 0))
   

   which gives you 2015-04-11 00:00:00.000 (because datetime also has time, right?). Subtle, ah?

 Select
     Count(Distinct user_id) As countUsers
   , Count(site_id) As countVisits
   , site_id As site
 From cp_visits
 Where ts >= DATE_SUB(NOW(), INTERVAL 1 DAY)
 Group By site_id

This should work

DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(sqlString, sqlConn);
da.Fill(ds);

if(ds.Tables.Count > 0)
{
  // enter code here
}

I solved this by changing the file path in the browser:

• Instead of: c/XAMPP/htdocs/myfile.html
• I wrote: localhost/myfile.html

I am pretty sure that the reason why this problem happened is because of the license of the toolbox (package) in which this function belongs in. Write which divrat and see what will be the result. If it returns path of the function and the comment Has no license available, then the problem is related to the license. That means, license of the package is not set correctly. Mostly it happens if the package (toolbox) of this function is added later, i.e., after installation of the original matlab. Please check and solve the license issue, then it will work fine.

Code

CREATE TABLE #T1
(
    col1 INT NOT NULL,
    col2 NCHAR(50) NOT NULL,
    col3 TEXT NOT NULL,
    col4 DATETIME NULL,
    col5 NCHAR(50) NULL,
    col6 CHAR(2) NULL,
    col6 NCHAR(100) NULL,
    col7 INT NULL,
    col8 NCHAR(50) NULL,
    col9 DATETIME NULL,
    col10 DATETIME NULL
)

DECLARE @Para1 int
DECLARE @Para2 varchar(32)
DECLARE @Para3 varchar(100)
DECLARE @Para4 varchar(15)
DECLARE @Para5 varchar (12)
DECLARE @Para6 varchar(1)
DECLARE @Para7 varchar(1)


SET @Para1 = 1025
SET @Para2 = N'6as54fsd56f46sd4f65sd'
SET @Para3 = N'XXXX\UserName'
SET @Para4 = N'127.0.0.1'
SET @Para5 = N'XXXXXXX'
SET @Para6 = N'X'
SET @Para7 = N'X'

INSERT INTO #T1
(
    col1,
    col2,
    col3,
    col4,
    col5,
    col6,
    col6,
    col7,
    col8,
    col9,
    col10,
)
EXEC [dbo].[usp_ProcedureName] @Para1, @Para2, @Para3, @Para4, @Para5, @Para6, @Para6

I hope this helps. Please qualify as appropriate.

File fnew=new File("/tmp/rose.jpg");
BufferedImage originalImage=ImageIO.read(fnew);
ByteArrayOutputStream baos=new ByteArrayOutputStream();
ImageIO.write(originalImage, "jpg", baos );
byte[] imageInByte=baos.toByteArray();

There is possibly a quicker way, but I would do:

a <- rnorm(100) # Our data
q <- quantile(a) # You can supply your own breaks, see ?quantile

# Define a simple function that checks in which quantile a number falls
getQuant <- function(x)
   {
   for (i in 1:(length(q)-1))
       {
       if (x>=q[i] && x<q[i+1])
          break;
       }
   i
   }

# Apply the function to the data
res <- unlist(lapply(as.matrix(a), getQuant))

<div id='parent' style='width: 100%;text-align:center;'>
 <div id='child' style='width:50px; height:100px;margin:0px auto;'>Text</div>
</div>

I was looking for a long time an answer that solve the problem and this is the way I did it

I take the file with expo-document-picker

const pickDocument = async (tDocument) => {
    let result = await DocumentPicker.getDocumentAsync();
    result.type = mimetype(result.name);
    if (result.type === undefined){
      alert("not allowed extention");
      return null;
    }
    let formDat = new FormData();
    formDat.append("file", result);
    uploadDoc(formDat);
  };

  const mimetype = (name) => {
    let allow =  {"png":"image/png","pdf":"application/json","jpeg":"image/jpeg", "jpg":"image/jpg"};
    let extention = name.split(".")[1];
    if (allow[extention] !== undefined){
      return allow[extention]
    }
    else {
      return undefined
    }
  }

const uploadDoc = (data) =>  {
    fetch("MyApi", {
      method: "POST",
      body: data
    }).then(res => res.json())
    .then(response =>{
      if (response.result === 1) {
        //somecode
      } else {
        //somecode
      }
    });
  }

this is because android doesn't manage the mime-type of your file so if you put away the header "Content-type" and instead you put the mime-type on the file it gonna send the correct header

works on IOS an Android

I found one way to access the shared folder without giving the username and password.

We need to change the share folder protect settings in the machine where the folder has been shared.

Go to Control Panel > Network and sharing center > Change advanced sharing settings > Enable Turn Off password protect sharing option.

By doing the above settings we can access the shared folder without any username/password.

for read of Body , you can to read asynchronously.

use the async method like follow:

public async Task<IActionResult> GetBody()
{
      string body="";
      using (StreamReader stream = new StreamReader(Request.Body))
      {
           body = await stream.ReadToEndAsync();
      }
    return Json(body);
}

Test with postman:

It's working well and tested in Asp.net core version 2.0 , 2.1 , 2.2, 3.0.

I hope is useful.

Functions are first class objects that can be:

• Defined within your function
• Created just like any other variable or object at any point in your function
• Returned from your function (which may seem obvious after the two above, but still)

To build on the example given by Kenny:

   function a(x) {
      var w = function b(y) {
        return x + y;
      }
      return w;
   };

   var returnedFunction = a(3);
   alert(returnedFunction(2));

Would alert you with 5.

This happens if the .git file is missing in the target path. It happend to me after I executed git clean -f -d.

I had to delete all target folders showing in the message and then executing git submodule update --remote

Call make command this way:

make CFLAGS=-Dvar=42

And be sure to use $(CFLAGS) in your compile command in the Makefile. As @jørgensen mentioned , putting the variable assignment after the make command will override the CFLAGS value already defined the Makefile.

Alternatively you could set -Dvar=42 in another variable than CFLAGS and then reuse this variable in CFLAGS to avoid completely overriding CFLAGS.

I had this exception in the case of a test for checking some actual accessed URLs by users.

And the URLs are sometime contains an illegal-character and hang by this error.

So I make a function to encode only the characters in the URL string like this.

String encodeIllegalChar(String uriStr,String enc)
  throws URISyntaxException,UnsupportedEncodingException {
  String _uriStr = uriStr;
  int retryCount = 17;
  while(true){
     try{
       new URI(_uriStr);
       break;
     }catch(URISyntaxException e){
       String reason = e.getReason();
       if(reason == null ||
         !(
          reason.contains("in path") ||
          reason.contains("in query") ||
          reason.contains("in fragment")
         )
       ){
         throw e;
       }
       if(0 > retryCount--){
         throw e;
       }
       String input = e.getInput();
       int idx = e.getIndex();
       String illChar = String.valueOf(input.charAt(idx));
       _uriStr = input.replace(illChar,URLEncoder.encode(illChar,enc));
     }
  }
  return _uriStr;
}

test:

String q =  "\\'|&`^\"<>)(}{][";
String url = "http://test.com/?q=" + q + "#" + q;
String eic = encodeIllegalChar(url,'UTF-8');
System.out.println(String.format("  original:%s",url));
System.out.println(String.format("   encoded:%s",eic));
System.out.println(String.format("   uri-obj:%s",new URI(eic)));
System.out.println(String.format("re-decoded:%s",URLDecoder.decode(eic)));

emanuel.directive('hymn', function() {
   return {
       restrict: 'E',
       link: function(scope, element, attrs) {
           // some ode
       },
       templateUrl: function(elem,attrs) {
           return attrs.templateUrl || 'some/path/default.html'
       }
   }
});

So you can provide templateUrl via markup

<hymn template-url="contentUrl"><hymn>

Now you just take a care that property contentUrl populates with dynamically generated path.

Simplest way for create SSL certificate

Open Firefox (I suppose it's also possible with Chrome, but it's easier for me with FF)

Visit your development site with a self-signed SSL certificate.

Click on the certificate (next to the site name)

Click on "More information"

Click on "View certificate"

Click on "Details"

Click on "Export..."

Choose "X.509 Certificate whith chain (PEM)", select the folder and name to save it and click "Save"

Go to command line, to the directory where you downloaded the pem file and execute "openssl x509 -inform PEM -outform DM -in .pem -out .crt"

Copy the .crt file to the root of the /sdcard folder inside your Android device Inside your Android device, Settings > Security > Install from storage.

It should detect the certificate and let you add it to the device Browse to your development site.

The first time it should ask you to confirm the security exception. That's all.

The certificate should work with any browser installed on your Android (Browser, Chrome, Opera, Dolphin...)

Remember that if you're serving your static files from a different domain (we all are page speed bitches) you also need to add the certificate for that domain.

You could use the following:

mydiv.style.display === 'block' = (mydiv.style.display === 'block' ? 'none' : 'block');

This kind of warning can mean that You're trying to present new View Controller through Navigation Controller while this Navigation Controller is currently presenting another View Controller. To fix it You have to dismiss currently presented View Controller at first and on completion present the new one. Another cause of the warning can be trying to present View Controller on thread another than main.

You could probably just resort to

<img src="..." style="pointer-events: none;">

If you want to know which is more effective, you should try looking at the estimated query plans, or the actual query plans after execution. It'll tell you the costs of the queries (I find CPU and IO cost to be interesting). I wouldn't be surprised much if there's little to no difference, but you never know. I've seen certain queries use multiple cores on our database server, while a rewritten version of that same query would only use one core (needless to say, the query that used all 4 cores was a good 3 times faster). Never really quite put my finger on why that is, but if you're working with large result sets, such differences can occur without your knowing about it.

Include this code somewhere when you slide to your 'section' called blog.

$("#myLink").click(function() {
    setTimeout(function() {
        window.navigate("the url of the page you want to navigate back to");
    }, 2000);
});

Where myLink is the id of your href.

In my case, this problem occured because I did npm install with another system user in my project folder before. Gulp was already installed globally. After deleting folder /node_modules/ in my project, and running npm install with the current user, it worked.

To check the status of a service on linux operating system :

//in case of super user(admin) requires    
sudo service {service_name} status 
// in case of normal user
service {service_name} status 

To stop or start service

// in case of admin requires
sudo service {service_name} start/stop
// in case of normal user
service {service_name} start/stop 

To get the list of all services along with PID :

sudo service --status-all

You can use systemctl instead of directly calling service :

systemctl status/start/stop {service_name}

it depends if your div is in position: absolute / fixed or relative / static

for position: absolute & fixed

<div style="position: absolute; /*or fixed*/;
width: 50%;
height: 300px;
left: 50%;
top:100px;
margin: 0 0 0 -25%">blblablbalba</div>

The trick here is to have a negative margin half the width of the object

for position: relative & static

<div style="position: relative; /*or static*/;
width: 50%;
height: 300px;
margin: 0 auto">blblablbalba</div>

for both techniques, it is imperative to set the width.

<p>
    @Html.ActionLink("Create New", "Create")
</p>
@using (Html.BeginForm("Index", "Company", FormMethod.Get))
{
    <p>
        Find by Name: @Html.TextBox("SearchString", ViewBag.CurrentFilter as string)
        <input type="submit" value="Search" />
        <input type="button" value="Clear" onclick="location.href='@Url.Action("Index","Company")'"/>
    </p>
}

In the above example you can see that If I specifically need a button to do some action, I have to do it with @Url.Action whereas if I just want a link I will use @Html.ActionLink. The point is when you have to use some element(HTML) with action url is used.

I was successful in doing this using file://, but with one additional slash to denote an absolute path.

git clone file:///cygdrive/c/path/to/repository/

In my case I'm using Git on Cygwin for Windows, which you can see because of the /cygdrive/c part in my paths. With some tweaking to the path it should work with any git installation.

Adding a remote works the same way

git remote add remotename file:///cygdrive/c/path/to/repository/

This should work:

SELECT model, date FROM doc GROUP BY model ORDER BY date DESC

It just sort the dates from last to first and by grouping it only grabs the first one.

Suppose for example your date is coming like this & you need to install momentjs for advance date features.

let cmpDate = Thu Aug 27 2020 00:00:00 GMT+0530 (India Standard Time)

    let format = "MM/DD/YYYY";
    let startDate: any = moment().format(format);
    let endDate: any = moment().add(30, "days").format(format);
    let compareDate: any = moment(cmpDate).format(format);
    var startDate1 = startDate.split("/");
    var startDate2 = endDate.split("/");
    var compareDate1 = compareDate.split("/");

    var fromDate = new Date(startDate1[2], parseInt(startDate1[1]) - 1, startDate1[0]);
    var toDate = new Date(startDate2[2], parseInt(startDate2[1]) - 1, startDate2[0]);
    var checkDate = new Date(compareDate1[2], parseInt(compareDate1[1]) - 1, compareDate1[0]);

    if (checkDate > fromDate && checkDate < toDate) {
      ... condition works between current date to next 30 days
    }

Or you could use the "correct" method, similar to your original atoi approach, but with std::stringstream instead. That should work with chars as input as well as strings. (boost::lexical_cast is another option for a more convenient syntax)

(atoi is an old C function, and it's generally recommended to use the more flexible and typesafe C++ equivalents where possible. std::stringstream covers conversion to and from strings)

PHP and references are somewhat unintuitive. If used appropriately references in the right places can provide large performance improvements or avoid very ugly workarounds and unusual code.

The following will produce an error:

 function f(&$v){$v = true;}
 f(&$v);

 function f($v){$v = true;}
 f(&$v);

None of these have to fail as they could follow the rules below but have no doubt been removed or disabled to prevent a lot of legacy confusion.

If they did work, both involve a redundant conversion to reference and the second also involves a redundant conversion back to a scoped contained variable.

The second one used to be possible allowing a reference to be passed to code that wasn't intended to work with references. This is extremely ugly for maintainability.

This will do nothing:

 function f($v){$v = true;}
 $r = &$v;
 f($r);

More specifically, it turns the reference back into a normal variable as you have not asked for a reference.

This will work:

 function f(&$v){$v = true;}
 f($v);

This sees that you are passing a non-reference but want a reference so turns it into a reference.

What this means is that you can't pass a reference to a function where a reference is not explicitly asked for making it one of the few areas where PHP is strict on passing types or in this case more of a meta type.

If you need more dynamic behaviour this will work:

 function f(&$v){$v = true;}
 $v = array(false,false,false);
 $r = &$v[1];
 f($r);

Here it sees that you want a reference and already have a reference so leaves it alone. It may also chain the reference but I doubt this.

The accepted answer to how to replace multiple strings together in Oracle suggests using nested REPLACE statements, and I don't think there is a better way.

If you are going to make heavy use of this, you could consider writing your own function:

CREATE TYPE t_text IS TABLE OF VARCHAR2(256);

CREATE FUNCTION multiple_replace(
  in_text IN VARCHAR2, in_old IN t_text, in_new IN t_text
)
  RETURN VARCHAR2
AS
  v_result VARCHAR2(32767);
BEGIN
  IF( in_old.COUNT <> in_new.COUNT ) THEN
    RETURN in_text;
  END IF;
  v_result := in_text;
  FOR i IN 1 .. in_old.COUNT LOOP
    v_result := REPLACE( v_result, in_old(i), in_new(i) );
  END LOOP;
  RETURN v_result;
END;

and then use it like this:

SELECT multiple_replace( 'This is #VAL1# with some #VAL2# to #VAL3#',
                         NEW t_text( '#VAL1#', '#VAL2#', '#VAL3#' ),
                         NEW t_text( 'text', 'tokens', 'replace' )
                       )
FROM dual

This is text with some tokens to replace

If all of your tokens have the same format ('#VAL' || i || '#'), you could omit parameter in_old and use your loop-counter instead.

This is in slight response to Joel's comment about making a slighly more optimized version. Instead of returning a random date directly, why not return a generator function which can be called repeatedly to create a random date.

Func<DateTime> RandomDayFunc()
{
    DateTime start = new DateTime(1995, 1, 1); 
    Random gen = new Random(); 
    int range = ((TimeSpan)(DateTime.Today - start)).Days; 
    return () => start.AddDays(gen.Next(range));
}

I will make it simple,

• Import and Export are ES6 features(Next gen JS).
• Require is old school method of importing code from other files

Major difference is in require, entire JS file is called or imported. Even if you don't need some part of it.

var myObject = require('./otherFile.js'); //This JS file will be imported fully.

Whereas in import you can extract only objects/functions/variables which are required.

import { getDate }from './utils.js'; 
//Here I am only pulling getDate method from the file instead of importing full file

Another major difference is you can use require anywhere in the program where as import should always be at the top of file

I have faced same problem with maven dependencies, eg: unfortunetly your maven dependencies deleted from your buildpath,then you people get lot of exceptions,if you follow below process you can easily resolve this issue.

Associative? Not without some work, but you can use generic selectors:

var items = new Array();

$('#form_id:input').each(function (el) {
    items[el.name] = el;
});

You can use Thrift server or JMX to communicate with your Java service.

To add some text, what I did some time ago , if the link you are sharing its a page you can modify. You can add some meta-tags to the shared page:

<meta name="title" content="The title you want" />
<meta name="description" content="The text you want to insert " />
<link rel="image_src" href="A thumbnail you can show" / >

It's a small hack. Although the old share button has been replaced by the "like"/"recommend" button where you can add a comment if you use the XFBML version. More info her:

http://developers.facebook.com/docs/reference/plugins/like/

TypeScript is a strict syntactical superset of JavaScript hence

• Single line comments start with //
• Multi-line comments start with /* and end with */

The second top answer mentions ifeq, however, it fails to mention that these must be on the same level as the name of the target, e.g., to download a file only if it doesn't currently exist, the following code could be used:

download:
ifeq (,$(wildcard ./glob.c))
    curl … -o glob.c
endif

# THIS DOES NOT WORK!
download:
    ifeq (,$(wildcard ./glob.c))
        curl … -o glob.c
    endif

To concatenate strings, use the + operator.

To insert data into a URI, encode it for URIs.

Bad:

var url = "http://localhost:8080/login?cid='username'&pwd='password'"

Good:

var url_safe_username = encodeURIComponent(username);
var url_safe_password = encodeURIComponent(password);
var url = "http://localhost:8080/login?cid=" + url_safe_username + "&pwd=" + url_safe_password;

The server will have to process the query string to make use of the data. You can't assign to arbitrary form fields.

… but don't trigger new windows or pass credentials in the URI (where they are exposed to over the shoulder attacks and may be logged).

You can do like this using function:

l = [34,56,78,2,3,5,6,8,45,6]  
print ("The list : " + str(l))   
def count_greater30(l):  
    count = 0  
    for i in l:  
        if i > 30:  
            count = count + 1.  
    return count
print("Count greater than 30 is : " + str(count)).  
count_greater30(l)

Meld is a free, open-source, and cross-platform (UNIX/Linux, OSX, Windows) diff/merge tool.

Here's how to install it on:

• Ubuntu
• Mac
• Windows: "The recommended version of Meld for Windows is the most recent release, available as an MSI from https://meldmerge.org"

You could run some jQuery client-side validation to check:

$(function(){
    $("input[type='submit']").click(function(){
        var $fileUpload = $("input[type='file']");
        if (parseInt($fileUpload.get(0).files.length)>2){
         alert("You can only upload a maximum of 2 files");
        }
    });    
});?

http://jsfiddle.net/Curt/u4NuH/

But remember to check on the server side too as client-side validation can be bypassed quite easily.

By using NULL without any quotes.

UPDATE `tablename` SET `fieldName` = NULL;

You can use JavaScript functions like replace, and you can wrap the jQuery code in brackets:

var value = ($("#text").val()).replace(".", ":");

This article:

• NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server

may be if interest to you.

In a couple of words, this query:

SELECT  d1.short_code
FROM    domain1 d1
LEFT JOIN
        domain2 d2
ON      d2.short_code = d1.short_code
WHERE   d2.short_code IS NULL

will work but it is less efficient than a NOT NULL (or NOT EXISTS) construct.

You can also use this:

SELECT  short_code
FROM    domain1
EXCEPT
SELECT  short_code
FROM    domain2

This is using neither NOT IN nor WHERE (and even no joins!), but this will remove all duplicates on domain1.short_code if any.

I created the following procedure:

if object_id('tool.create_insert', 'P') is null
begin
  exec('create procedure tool.create_insert as');
end;
go

alter procedure tool.create_insert(@schema    varchar(200) = 'dbo',
                                   @table     varchar(200),
                                   @where     varchar(max) = null,
                                   @top       int = null,
                                   @insert    varchar(max) output)
as
begin
  declare @insert_fields varchar(max),
          @select        varchar(max),
          @error         varchar(500),
          @query         varchar(max);

  declare @values table(description varchar(max));

  set nocount on;

  -- Get columns
  select @insert_fields = isnull(@insert_fields + ', ', '') + c.name,
         @select = case type_name(c.system_type_id)
                      when 'varchar' then isnull(@select + ' + '', '' + ', '') + ' isnull('''''''' + cast(' + c.name + ' as varchar) + '''''''', ''null'')'
                      when 'datetime' then isnull(@select + ' + '', '' + ', '') + ' isnull('''''''' + convert(varchar, ' + c.name + ', 121) + '''''''', ''null'')'
                      else isnull(@select + ' + '', '' + ', '') + 'isnull(cast(' + c.name + ' as varchar), ''null'')'
                    end
    from sys.columns c with(nolock)
         inner join sys.tables t with(nolock) on t.object_id = c.object_id
         inner join sys.schemas s with(nolock) on s.schema_id = t.schema_id
   where s.name = @schema
     and t.name = @table;

  -- If there's no columns...
  if @insert_fields is null or @select is null
  begin
    set @error = 'There''s no ' + @schema + '.' + @table + ' inside the target database.';
    raiserror(@error, 16, 1);
    return;
  end;

  set @insert_fields = 'insert into ' + @schema + '.' + @table + '(' + @insert_fields + ')';

  if isnull(@where, '') <> '' and charindex('where', ltrim(rtrim(@where))) < 1
  begin
    set @where = 'where ' + @where;
  end
  else
  begin
    set @where = '';
  end;

  set @query = 'select ' + isnull('top(' + cast(@top as varchar) + ')', '') + @select + ' from ' + @schema + '.' + @table + ' with (nolock) ' + @where;

  insert into @values(description)
  exec(@query);

  set @insert = isnull(@insert + char(10), '') + '--' + upper(@schema + '.' + @table);

  select @insert = @insert + char(10) + @insert_fields + char(10) + 'values(' + v.description + ');' + char(10) + 'go' + char(10)
    from @values v
   where isnull(v.description, '') <> '';
end;
go

Then you can use it that way:

declare @insert varchar(max),
        @part   varchar(max),
        @start  int,
        @end    int;

set @start = 1;

exec tool.create_insert @schema = 'dbo',
                        @table = 'customer',
                        @where  = 'id = 1',
                        @insert = @insert output;

-- Print one line to avoid the maximum 8000 characters problem
while len(@insert) > 0
begin
  set @end = charindex(char(10), @insert);

  if @end = 0
  begin
    set @end = len(@insert) + 1;
  end;

  print substring(@insert, @start, @end - 1);
  set @insert = substring(@insert, @end + 1, len(@insert) - @end + 1);
end;

The output would be something like that:

--DBO.CUSTOMER
insert into dbo.customer(id, name, type)
values(1, 'CUSTOMER NAME', 'F');
go

If you just want to get a range of rows, use the @top parameter as bellow:

declare @insert varchar(max),
        @part   varchar(max),
        @start  int,
        @end    int;

set @start = 1;

exec tool.create_insert @schema = 'dbo',
                        @table = 'customer',
                        @top    = 100,
                        @insert = @insert output;

-- Print one line to avoid the maximum 8000 characters problem
while len(@insert) > 0
begin
  set @end = charindex(char(10), @insert);

  if @end = 0
  begin
    set @end = len(@insert) + 1;
  end;

  print substring(@insert, @start, @end - 1);
  set @insert = substring(@insert, @end + 1, len(@insert) - @end + 1);
end;

Actually you can do it.

Although, someone should note that repeating the CASE statements are not bad as it seems. SQL Server's query optimizer is smart enough to not execute the CASE twice so that you won't get any performance hit because of that.

Additionally, someone might use the following logic to not repeat the CASE (if it suits you..)

INSERT INTO dbo.T1
(
    Col1,
    Col2,
    Col3
)
SELECT
    1,
    SUBSTRING(MyCase.MergedColumns, 0, CHARINDEX('%', MyCase.MergedColumns)),
    SUBSTRING(MyCase.MergedColumns, CHARINDEX('%', MyCase.MergedColumns) + 1, LEN(MyCase.MergedColumns) - CHARINDEX('%', MyCase.MergedColumns))
FROM
    dbo.T1 t
LEFT OUTER JOIN
(
    SELECT CASE WHEN 1 = 1 THEN '2%3' END MergedColumns
) AS MyCase ON 1 = 1

This will insert the values (1, 2, 3) for each record in the table T1. This uses a delimiter '%' to split the merged columns. You can write your own split function depending on your needs (e.g. for handling null records or using complex delimiter for varchar fields etc.). But the main logic is that you should join the CASE statement and select from the result set of the join with using a split logic.

Step 1 :

Add this in htaccess file

<IfModule mod_rewrite.c>
  RewriteEngine On
  #RewriteBase /

  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteRule ^ index.php [QSA,L]
</IfModule>

Step 2 :

Remove index.php in codeigniter config

$config['base_url'] = ''; 
$config['index_page'] = '';

Step 3 :

Allow overriding htaccess in Apache Configuration (Command)

sudo nano /etc/apache2/apache2.conf

and edit the file & change to

AllowOverride All

for www folder

Step 4 :

Enabled apache mod rewrite (Command)

sudo a2enmod rewrite

Step 5 :

Restart Apache (Command)

sudo /etc/init.d/apache2 restart

PostgreSQL 12 supports generated columns:

PostgreSQL 12 Beta 1 Released!

Generated Columns

PostgreSQL 12 allows the creation of generated columns that compute their values with an expression using the contents of other columns. This feature provides stored generated columns, which are computed on inserts and updates and are saved on disk. Virtual generated columns, which are computed only when a column is read as part of a query, are not implemented yet.

Generated Columns

A generated column is a special column that is always computed from other columns. Thus, it is for columns what a view is for tables.

CREATE TABLE people (
    ...,
    height_cm numeric,
    height_in numeric GENERATED ALWAYS AS (height_cm * 2.54) STORED
);

db<>fiddle demo

If anyone like me is searching to read only a specific line, example only line 18 here is the code:

filename = "C:\log.log"

Set fso = CreateObject("Scripting.FileSystemObject")
Set f = fso.OpenTextFile(filename)

For i = 1 to 17
    f.ReadLine
Next

strLine = f.ReadLine
Wscript.Echo strLine

f.Close

Block - Element take complete width.All properties height , width, margin , padding work

Inline - element take height and width according to the content. Height , width , margin bottom and margin top do not work .Padding and left and right margin work. Example span and anchor.

Inline block - 1. Element don't take complete width, that is why it has *inline* in its name. All properties including height , width, margin top and margin bottom work on it. Which also work in block level element.That's why it has *block* in its name.

You can try :

setTimeout(function() {
  $('#successMessage').fadeOut('fast');
}, 30000); // <-- time in milliseconds

If you used this then your div will be hide after 30 sec.I also tried this one and it worked for me.

You can use this subclass of UIButton to customize UIButton as per your needs.

visit this github repo for reference

class RoundedRectButton: UIButton {

    var selectedState: Bool = false

    override func awakeFromNib() {
        super.awakeFromNib()
        layer.borderWidth = 2 / UIScreen.main.nativeScale
        layer.borderColor = UIColor.white.cgColor
        contentEdgeInsets = UIEdgeInsets(top: 0, left: 5, bottom: 0, right: 5)
    }


    override func layoutSubviews(){
        super.layoutSubviews()
        layer.cornerRadius = frame.height / 2
        backgroundColor = selectedState ? UIColor.white : UIColor.clear
        self.titleLabel?.textColor = selectedState ? UIColor.green : UIColor.white
    }

    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
        selectedState = !selectedState
        self.layoutSubviews()
    }
}

I got this error when trying to install a python package in a Docker container. For me, the issue was that the docker image did not have a locale configured. Adding the following code to the Dockerfile solved the problem for me.

# Avoid ascii errors when reading files in Python
RUN apt-get install -y locales && locale-gen en_US.UTF-8
ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'

if you just need to get a key-value from a simple dictionary like e.g:

os_type = {'ubuntu': '20.04'}

use popitem() method:

os, version = os_type.popitem()
print(os) # 'ubuntu'
print(version) # '20.04'

Semantically I think makes more sense as is a container for a single element and if you need to nest them then that suggests more than element will be inside of the outer one.

HTML alone does not support this. You need to use some JS.

And also consider nowadays people use popup blocker in browsers.

<a href="javascript:window.open('document.aspx','mypopuptitle','width=600,height=400')">open popup</a>

If you ran into this issue when using TypeScript, you may need to add skipLibCheck: true in your tsconfig.json file.

Installing maven in Amazon Linux / redhat

--> sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo

--> sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo

-->sudo yum install -y apache-maven

--> mvn --version

Output looks like

Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) Maven home: /usr/share/apache-maven Java version: 1.8.0_171, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.amzn2.x86_64/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "4.14.47-64.38.amzn2.x86_64", arch: "amd64", family: "unix"

*If its thrown error related to java please follow the below step to update java 8 *

Installing java 8 in amazon linux/redhat

--> yum search java | grep openjdk

--> yum install java-1.8.0-openjdk-headless.x86_64

--> yum install java-1.8.0-openjdk-devel.x86_64

--> update-alternatives --config java #pick java 1.8 and press 1

--> update-alternatives --config javac #pick java 1.8 and press 2

Thank You

You need to change it to a float BEFORE you do the division. That is:

float(20 - 10) / (100 - 10)

Here is a generic working solution based on @Beta's

I'm using GNU Make 4.1 with SHELL=/bin/bash atop my Makefile, so YMMV!

This allows us to accept extra arguments (by doing nothing when we get a job that doesn't match, rather than throwing an error).

%:
    @:

And this is a macro which gets the args for us:

args = `arg="$(filter-out $@,$(MAKECMDGOALS))" && echo $${arg:-${1}}`

Here is a job which might call this one:

test:
    @echo $(call args,defaultstring)

The result would be:

$ make test
defaultstring
$ make test hi
hi

Note! You might be better off using a "Taskfile", which is a bash pattern that works similarly to make, only without the nuances of Maketools. See https://github.com/adriancooney/Taskfile

You could also use:

<body onload="focusOnInput()">
    <form name="passwordForm" action="verify.php" method="post">
        <input name="passwordInput" type="password" />
    </form>
</body>

And then in your JavaScript:

function focusOnInput() {
    document.forms["passwordForm"]["passwordInput"].focus();
}

use Dexter library

Include the library in your build.gradle

dependencies{
    implementation 'com.karumi:dexter:4.2.0'
}

this example requests WRITE_EXTERNAL_STORAGE.

Dexter.withActivity(this)
                .withPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE)
                .withListener(new PermissionListener() {
                    @Override
                    public void onPermissionGranted(PermissionGrantedResponse response) {
                        // permission is granted, open the camera
                    }

                    @Override
                    public void onPermissionDenied(PermissionDeniedResponse response) {
                        // check for permanent denial of permission
                        if (response.isPermanentlyDenied()) {
                            // navigate user to app settings
                        }
                    }

                    @Override
                    public void onPermissionRationaleShouldBeShown(PermissionRequest permission, PermissionToken token) {
                        token.continuePermissionRequest();
                    }
                }).check();

check this answer here

From official documentation

Warning: Do not filter files with binary content like images! This will most likely result in corrupt output.

If you have both text files and binary files as resources it is recommended to have two separated folders. One folder src/main/resources (default) for the resources which are not filtered and another folder src/main/resources-filtered for the resources which are filtered.

<project>
  ...
  <build>
    ...
    <resources>
      <resource>
        <directory>src/main/resources-filtered</directory>
        <filtering>true</filtering>
      </resource>
      ...
    </resources>
    ...
  </build>
  ...
</project>

Now you can put those files into src/main/resources which should not filtered and the other files into src/main/resources-filtered.

As already mentioned filtering binary files like images,pdf`s etc. could result in corrupted output. To prevent such problems you can configure file extensions which will not being filtered.

Most certainly, You have in your directory files that cannot be filtered. So you have to specify the extensions that has not be filtered.

$ su - postgres
$ psql
$ \du; for see the user on db
select the user that do you want be superuser and:
$ ALTER USER "user" with superuser;

import org.json.JSONObject

fun parseLocation(response: String): GeoLocation? {

val geoCodes by lazy { doubleArrayOf(0.0, 0.0) }

val jObj = JSONObject(response)
if (jObj.has(KEY_RESULTS)) {

    val jArrResults = jObj.getJSONArray(KEY_RESULTS)
    for (i in 0 until jArrResults.length()) {
        val jObjResult = jArrResults.getJSONObject(i)
        //getting latitude and longitude
        if (jObjResult.has(KEY_GEOMETRY)) {
            val jObjGeometry = jObjResult.getJSONObject(KEY_GEOMETRY)

            if (jObjGeometry.has(KEY_LOCATION)) {
                val jObjLocation = jObjGeometry.getJSONObject(KEY_LOCATION)
                if (jObjLocation.has(KEY_LAT)) {
                    geoCodes[0] = jObjLocation.getDouble(KEY_LAT)
                }

                if (jObjLocation.has(KEY_LNG)) {
                    geoCodes[1] = jObjLocation.getDouble(KEY_LNG)
                }
            }
        }

        var administrativeAreaLevel1: String? = null

        //getting city
        if (jObjResult.has(KEY_ADDRESS_COMPONENTS)) {

            val jArrAddressComponents = jObjResult.getJSONArray(KEY_ADDRESS_COMPONENTS)
            for (i in 0 until jArrAddressComponents.length()) {

                val jObjAddressComponents = jArrAddressComponents.getJSONObject(i)
                if (jObjAddressComponents.has(KEY_TYPES)) {

                    val jArrTypes = jObjAddressComponents.getJSONArray(KEY_TYPES)
                    for (j in 0 until jArrTypes.length()) {

                        when (jArrTypes.getString(j)) {

                            VALUE_LOCALITY, VALUE_POSTAL_TOWN -> {
                                return GeoLocation(jObjAddressComponents.getString(KEY_LONG_NAME), *geoCodes)
                            }

                            ADMINISTRATIVE_AREA_LEVEL_1 -> {
                                administrativeAreaLevel1 = jObjAddressComponents.getString(KEY_LONG_NAME)
                            }

                            else -> {
                            }
                        }
                    }
                }
            }

            for (i in 0 until jArrAddressComponents.length()) {

                val jObjAddressComponents = jArrAddressComponents.getJSONObject(i)
                if (jObjAddressComponents.has(KEY_TYPES)) {

                    val jArrTypes = jObjAddressComponents.getJSONArray(KEY_TYPES)

                    val typeList = ArrayList<String>()
                    for (j in 0 until jArrTypes.length()) {
                        typeList.add(jArrTypes.getString(j))
                    }

                    if (typeList.contains(VALUE_SUBLOCALITY)) {
                        var hasSubLocalityLevel = false
                        typeList.forEach { type ->
                            if (type.contains(VALUE_SUBLOCALITY_LEVEL)) {
                                hasSubLocalityLevel = true

                                if (type == VALUE_SUBLOCALITY_LEVEL_1) {
                                    return GeoLocation(jObjAddressComponents.getString(KEY_LONG_NAME), *geoCodes)
                                }
                            }
                        }
                        if (!hasSubLocalityLevel) {
                            return GeoLocation(jObjAddressComponents.getString(KEY_LONG_NAME), *geoCodes)
                        }
                    }
                }
            }
        }

        if (geoCodes.isNotEmpty()) return GeoLocation(administrativeAreaLevel1, geoCodes = *geoCodes)
     }
   }
return null
}

data class GeoLocation(val latitude: Double = 0.0, val longitude: Double = 0.0, val city: String? = null) : Parcelable {

constructor(city: String? = null, vararg geoCodes: Double) : this(geoCodes[0], geoCodes[1], city)

constructor(source: Parcel) : this(source.readDouble(), source.readDouble(), source.readString())

companion object {
    @JvmField
    val CREATOR = object : Parcelable.Creator<GeoLocation> {

        override fun createFromParcel(source: Parcel) = GeoLocation(source)

        override fun newArray(size: Int): Array<GeoLocation?> = arrayOfNulls(size)
    }
}

override fun writeToParcel(dest: Parcel, flags: Int) {
    dest.writeDouble(latitude)
    dest.writeDouble(longitude)
    dest.writeString(city)
}

override fun describeContents() = 0
}

For client code, Promise is for observing or attaching callback when a result is available, whereas Future is to wait for result and then continue. Theoretically anything which is possible to do with futures what can done with promises, but due to the style difference, the resultant API for promises in different languages make chaining easier.

use android:theme="@android:style/Theme.NoTitleBar in manifest file's application tag to remove the title bar for whole application or put it in activity tag to remove the title bar from a single activity screen.

document.getElementById('id').style = 'left: 55%; z-index: 999; overflow: hidden; width: 0px; height: 0px; opacity: 0; display: none;';

works for me

A slight practical perspective to look into memory through id and gc.

>>> b = a = ['hell', 'word']
>>> c = ['hell', 'word']

>>> id(a), id(b), id(c)
(4424020872, 4424020872, 4423979272) 
     |           |
      -----------

>>> id(a[0]), id(b[0]), id(c[0])
(4424018328, 4424018328, 4424018328) # all referring to same 'hell'
     |           |           |
      -----------------------

>>> id(a[0][0]), id(b[0][0]), id(c[0][0])
(4422785208, 4422785208, 4422785208) # all referring to same 'h'
     |           |           |
      -----------------------

>>> a[0] += 'o'
>>> a,b,c
(['hello', 'word'], ['hello', 'word'], ['hell', 'word'])  # b changed too
>>> id(a[0]), id(b[0]), id(c[0])
(4424018384, 4424018384, 4424018328) # augmented assignment changed a[0],b[0]
     |           |
      -----------

>>> b = a = ['hell', 'word']
>>> id(a[0]), id(b[0]), id(c[0])
(4424018328, 4424018328, 4424018328) # the same hell
     |           |           |
      -----------------------

>>> import gc
>>> gc.get_referrers(a[0]) 
[['hell', 'word'], ['hell', 'word']]  # one copy belong to a,b, the another for c
>>> gc.get_referrers(('hell'))
[['hell', 'word'], ['hell', 'word'], ('hell', None)] # ('hello', None) 

Although I'm sure this won't be accepted as the answer to this very old question, I came here looking for a way to do this and this is how I solved the problem.

I created a demonstration here at codepen.io.

The Html:

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js" type="text/javascript"></script>
<script src="https://cdn.rawgit.com/mckamey/countdownjs/master/countdown.min.js" type="text/javascript"></script>
<script src="https://code.jquery.com/jquery-3.0.0.min.js" type="text/javascript"></script>
<div>
  The time is now: <span class="now"></span>, a timer will go off <span class="duration"></span> at <span class="then"></span>
</div>
<div class="difference">The timer is set to go off <span></span></div>
<div class="countdown"></div>

The Javascript:

var now = moment(); // new Date().getTime();
var then = moment().add(60, 'seconds'); // new Date(now + 60 * 1000);

$(".now").text(moment(now).format('h:mm:ss a'));
$(".then").text(moment(then).format('h:mm:ss a'));
$(".duration").text(moment(now).to(then));
(function timerLoop() {
  $(".difference > span").text(moment().to(then));
  $(".countdown").text(countdown(then).toString());
  requestAnimationFrame(timerLoop);
})();

Output:

The time is now: 5:29:35 pm, a timer will go off in a minute at 5:30:35 pm
The timer is set to go off in a minute
1 minute

Note: 2nd line above updates as per momentjs and 3rd line above updates as per countdownjs and all of this is animated at about ~60FPS because of requestAnimationFrame()

Code Snippet:

Alternatively you can just look at this code snippet:

var now = moment(); // new Date().getTime();_x000D_
var then = moment().add(60, 'seconds'); // new Date(now + 60 * 1000);_x000D_
_x000D_
$(".now").text(moment(now).format('h:mm:ss a'));_x000D_
$(".then").text(moment(then).format('h:mm:ss a'));_x000D_
$(".duration").text(moment(now).to(then));_x000D_
(function timerLoop() {_x000D_
  $(".difference > span").text(moment().to(then));_x000D_
  $(".countdown").text(countdown(then).toString());_x000D_
  requestAnimationFrame(timerLoop);_x000D_
})();_x000D_
_x000D_
// CountdownJS: http://countdownjs.org/_x000D_
// Rawgit: http://rawgit.com/_x000D_
// MomentJS: http://momentjs.com/_x000D_
// jQuery: https://jquery.com/_x000D_
// Light reading about the requestAnimationFrame pattern:_x000D_
// http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/_x000D_
// https://css-tricks.com/using-requestanimationframe/

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js" type="text/javascript"></script>_x000D_
<script src="https://cdn.rawgit.com/mckamey/countdownjs/master/countdown.min.js" type="text/javascript"></script>_x000D_
<script src="https://code.jquery.com/jquery-3.0.0.min.js" type="text/javascript"></script>_x000D_
<div>_x000D_
  The time is now: <span class="now"></span>,_x000D_
</div>_x000D_
<div>_x000D_
  a timer will go off <span class="duration"></span> at <span class="then"></span>_x000D_
</div>_x000D_
<div class="difference">The timer is set to go off <span></span></div>_x000D_
<div class="countdown"></div>

Requirements:

• CountdownJS: http://countdownjs.org/ (And Rawgit to be able to use countdownjs)
• MomentJS: http://momentjs.com/
• requestAnimationFrame() - use this for animation rather than setInterval().

Optional Requirements:

• jQuery: https://jquery.com/

Additionally here is some light reading about the requestAnimationFrame() pattern:

• http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
• https://css-tricks.com/using-requestanimationframe/

I found the requestAnimationFrame() pattern to be much a more elegant solution than the setInterval() pattern.

if ($elem.parents('.left').length) {

}

A HandlerInterceptor gives you more fine-grained control than a filter, because you have access to the actual target "handler" - this means that whatever action you perform can vary depending on what the request is actually doing (whereas the servlet filter is generically applied to all requests - only able to take into account the parameters of each request). The handlerInterceptor also provides 3 different methods, so that you can apply behavior prior to calling a handler, after the handler has completed but prior to view rendering (where you may even bypass view rendering altogether), or after the view itself has been rendered. Also, you can set up different interceptors for different groups of handlers - the interceptors are configured on the handlerMapping, and there may be multiple handlerMappings.

Therefore, if you have a need to do something completely generic (e.g. log all requests), then a filter is sufficient - but if the behavior depends on the target handler or you want to do something between the request handling and view rendering, then the HandlerInterceptor provides that flexibility.

Reference: http://static.springframework.org/sp...ng-interceptor

How about get_the_category?

You can then do

$category = get_the_category();
$firstCategory = $category[0]->cat_name;

What SSL private key should be sent along with the client certificate?

None of them :)

One of the appealing things about client certificates is it does not do dumb things, like transmit a secret (like a password), in the plain text to a server (HTTP basic_auth). The password is still used to unlock the key for the client certificate, its just not used directly to during exchange or tp authenticate the client.

Instead, the client chooses a temporary, random key for that session. The client then signs the temporary, random key with his cert and sends it to the server (some hand waiving). If a bad guy intercepts anything, its random so it can't be used in the future. It can't even be used for a second run of the protocol with the server because the server will select a new, random value, too.

Fails with: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure

Use TLS 1.0 and above; and use Server Name Indication.

You have not provided any code, so its not clear to me how to tell you what to do. Instead, here's the OpenSSL command line to test it:

openssl s_client -connect www.example.com:443 -tls1 -servername www.example.com \
    -cert mycert.pem -key mykey.pem -CAfile <certificate-authority-for-service>.pem

You can also use -CAfile to avoid the “verify error:num=20”. See, for example, “verify error:num=20” when connecting to gateway.sandbox.push.apple.com.

what is the best way to do this in C++?

Because you asked it this way:

std::string msg(65546, 0); // all characters will be set to 0

Or:

std::vector<char> msg(65546); // all characters will be initialized to 0

If you are working with C functions which accept char* or const char*, then you can do:

some_c_function(&msg[0]);

You can also use the c_str() method on std::string if it accepts const char* or data().

The benefit of this approach is that you can do everything you want to do with a dynamically allocating char buffer but more safely, flexibly, and sometimes even more efficiently (avoiding the need to recompute string length linearly, e.g.). Best of all, you don't have to free the memory allocated manually, as the destructor will do this for you.

After many painful experiences with Struts, Tapestry 3/4, JSF, JBoss Seam, GWT I will stick with Wicket for now. Wicket Bench for Eclipse is handy but not 100% complete, still useful though. MyEclipse plugin for deploying to Tomcat is ace. No Maven just deploy once, changes are automatically copied to Tomcat. Magic.

My suggestion: Wicket 1.4, MyEclipse, Subclipse, Wicket Bench, Tomcat 6. It will take an hour or so to setup but most of that will be downloading tomcat and the Eclipse plugins.

Hint: Don't use the Wicket Bench libs, manually install Wicket 1.4 libs into project.

This site took me about 2 hours to write http://ratearear.co.uk - don't go there from work!! And this one is about 3 days work http://tnwdb.com

Good luck. Tim

Arrays have numerical indexes. So,

a = new Array();
a['a1']='foo';
a['a2']='bar';

and

b = new Array(2);
b['b1']='foo';
b['b2']='bar';

are not adding elements to the array, but adding .a1 and .a2 properties to the a object (arrays are objects too). As further evidence, if you did this:

a = new Array();
a['a1']='foo';
a['a2']='bar';
console.log(a.length);   // outputs zero because there are no items in the array

Your third option:

c=['c1','c2','c3'];

is assigning the variable c an array with three elements. Those three elements can be accessed as: c[0], c[1] and c[2]. In other words, c[0] === 'c1' and c.length === 3.

Javascript does not use its array functionality for what other languages call associative arrays where you can use any type of key in the array. You can implement most of the functionality of an associative array by just using an object in javascript where each item is just a property like this.

a = {};
a['a1']='foo';
a['a2']='bar';

It is generally a mistake to use an array for this purpose as it just confuses people reading your code and leads to false assumptions about how the code works.

What I found is that if another app is dialog type and allows touches to be sent to background app then almost any background app will crash with this error. I think we need to check every time a transaction is performed if the instance was saved or restored.

The answer has been given by Faisal Khurshid and Michael_B already.
This is just an attempt to make a possible solution more obvious.

For IE11 and below you need to enable grid's older specification in the parent div e.g. body or like here "grid" like so:

.grid-parent{display:-ms-grid;}

then define the amount and width of the columns and rows like e.g. so:

.grid-parent{
  -ms-grid-columns: 1fr 3fr;
  -ms-grid-rows: 4fr;
}

finally you need to explicitly tell the browser where your element (item) should be placed in e.g. like so:

.grid-item-1{
  -ms-grid-column: 1;
  -ms-grid-row: 1;
}

.grid-item-2{
  -ms-grid-column: 2;
  -ms-grid-row: 1;
}

A more modern answer for an old question:

MainActivity.kt

private var myMenuIconEnabled by Delegates.observable(true) { _, old, new ->
    if (new != old) invalidateOptionsMenu()
}

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    findViewById<Button>(R.id.my_button).setOnClickListener { myMenuIconEnabled = false }
}

override fun onCreateOptionsMenu(menu: Menu?): Boolean {
    menuInflater.inflate(R.menu.menu_main_activity, menu)
    return super.onCreateOptionsMenu(menu)
}

override fun onPrepareOptionsMenu(menu: Menu): Boolean {
    menu.findItem(R.id.action_my_action).isEnabled = myMenuIconEnabled
    return super.onPrepareOptionsMenu(menu)
}

menu_main_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
    android:id="@+id/action_my_action"
    android:icon="@drawable/ic_my_icon_24dp"
    app:iconTint="@drawable/menu_item_icon_selector"
    android:title="My title"
    app:showAsAction="always" />
</menu>

menu_item_icon_selector.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="?enabledMenuIconColor" android:state_enabled="true" />
<item android:color="?disabledMenuIconColor" />

attrs.xml

<resources>   
    <attr name="enabledMenuIconColor" format="reference|color"/>
    <attr name="disabledMenuIconColor" format="reference|color"/>
</resources>

styles.xml or themes.xml

<style name="AppTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
    <!-- Customize your theme here. -->
    <item name="disabledMenuIconColor">@color/white_30_alpha</item>
    <item name="enabledMenuIconColor">@android:color/white</item>

When I enter on a page that haves this code:

@section Scripts {
    @Scripts.Render("~/bundles/jqueryval")
}

This error occurs: Error. An error occurred while processing your request.

And this exception are recorded on my logs:

System.Web.HttpException (0x80004005): The controller for path '/bundles/jqueryval' was not found or does not implement IController.
   em System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType)
...

I have tried all tips on this page and none of them solved for me. So I have looked on my Packages folder and noticed that I have two versions for System.Web.Optmization.dll:

• Microsoft.AspNet.Web.Optimization.1.1.0 (v1.1.30515.0 - 68,7KB)
• Microsoft.Web.Optimization.1.0.0-beta (v1.0.0.0 - 304KB)

My project was referencing to the older beta version. I only changed the reference to the newer version (69KB) and eveything worked fine.

I think it might help someone.

You dont need to generate any dynamic html page, just use .htaccess file and rewrite the URL.

Checking every situation

if denied - showing Alert dialog to user why we need permission

public static final int MULTIPLE_PERMISSIONS = 1;
public static final int CAMERA_PERMISSION_REQUEST_CODE = 2;
public static final int STORAGE_PERMISSION_REQUEST_CODE = 3;

    private void askPermissions() {

    int permissionCheckStorage = ContextCompat.checkSelfPermission(this,
            Manifest.permission.WRITE_EXTERNAL_STORAGE);

    int permissionCheckCamera = ContextCompat.checkSelfPermission(this,
            Manifest.permission.CAMERA); 

   // we already asked for permisson & Permission granted, call camera intent
    if (permissionCheckStorage == PackageManager.PERMISSION_GRANTED && permissionCheckCamera == PackageManager.PERMISSION_GRANTED) {

        launchCamera();

    } //asking permission for the first time
     else if (permissionCheckStorage != PackageManager.PERMISSION_GRANTED && permissionCheckCamera != PackageManager.PERMISSION_GRANTED) {

        ActivityCompat.requestPermissions(this,
                new String[]{Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE},
                MULTIPLE_PERMISSIONS);

    } else {
        // Permission denied, so request permission

        // if camera request is denied
        if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.CAMERA)) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setMessage("You need to give permission to take pictures in order to work this feature.");
            builder.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    dialogInterface.dismiss();
                }
            });
            builder.setPositiveButton("GIVE PERMISSION", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    dialogInterface.dismiss();

                    // Show permission request popup
                    ActivityCompat.requestPermissions(this,
                            new String[]{Manifest.permission.CAMERA},
                            CAMERA_PERMISSION_REQUEST_CODE);
                }
            });
            builder.show();

        }   // if storage request is denied
                else if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setMessage("You need to give permission to access storage in order to work this feature.");
            builder.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    dialogInterface.dismiss();
                }
            });
            builder.setPositiveButton("GIVE PERMISSION", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    dialogInterface.dismiss();

                    // Show permission request popup
                    ActivityCompat.requestPermissions(this,
                            new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
                            STORAGE_PERMISSION_REQUEST_CODE);
                }
            });
            builder.show();

        } 

    }
}

Checking Permission Results

 @Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);

    switch (requestCode) {
        case CAMERA_PERMISSION_REQUEST_CODE:
            if (grantResults.length > 0 && permissions[0].equals(Manifest.permission.CAMERA)) {
                // check whether camera permission granted or not.
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    launchCamera();
                }
            }
            break;
        case STORAGE_PERMISSION_REQUEST_CODE:
            if (grantResults.length > 0 && permissions[0].equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                // check whether storage permission granted or not.
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    launchCamera();
                }
            }
            break;
        case MULTIPLE_PERMISSIONS:
            if (grantResults.length > 0 && permissions[0].equals(Manifest.permission.CAMERA) && permissions[1].equals(Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
                // check whether All permission granted or not.
                if (grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults[1] == PackageManager.PERMISSION_GRANTED) {
                    launchCamera();

                }
            }
            break;
        default:
            break;
    }
}

you can just copy and paste this code, it works fine. change context(this) & permissions according to you.

Please see the below code:

if(dataset.select_dtypes(include=[np.number]).shape[1] > 0):
display(dataset.select_dtypes(include=[np.number]).describe())
if(dataset.select_dtypes(include=[np.object]).shape[1] > 0):
display(dataset.select_dtypes(include=[np.object]).describe())

This way you can check whether the value are numeric such as float and int or the srting values. the second if statement is used for checking the string values which is referred by the object.

I might be misunderstanding your question, so apologies if I am.

If you're looking for the words "Quid", "Application Number", etc. to be bold, just wrap them in <strong> tags:

<strong>Quid</strong>: ...

Hope that helps!

It seems that using mongoose there is a limit of more than 1000 documents, when using

Potato.collection.insert(potatoBag, onInsert);

You can use:

var bulk = Model.collection.initializeOrderedBulkOp();

async.each(users, function (user, callback) {
    bulk.insert(hash);
}, function (err) {
    var bulkStart = Date.now();
    bulk.execute(function(err, res){
        if (err) console.log (" gameResult.js > err " , err);
        console.log (" gameResult.js > BULK TIME  " , Date.now() - bulkStart );
        console.log (" gameResult.js > BULK INSERT " , res.nInserted)
      });
});

But this is almost twice as fast when testing with 10000 documents:

function fastInsert(arrOfResults) {
var startTime = Date.now();
    var count = 0;
    var c = Math.round( arrOfResults.length / 990);

    var fakeArr = [];
    fakeArr.length = c;
    var docsSaved = 0

    async.each(fakeArr, function (item, callback) {

            var sliced = arrOfResults.slice(count, count+999);
            sliced.length)
            count = count +999;
            if(sliced.length != 0 ){
                    GameResultModel.collection.insert(sliced, function (err, docs) {
                            docsSaved += docs.ops.length
                            callback();
                    });
            }else {
                    callback()
            }
    }, function (err) {
            console.log (" gameResult.js > BULK INSERT AMOUNT: ", arrOfResults.length, "docsSaved  " , docsSaved, " DIFF TIME:",Date.now() - startTime);
    });
}

You could make two forms with 2 different actions

<form action="login.php" method="post">
    <input type="text" name="user">
    <input type="password" name="password">
    <input type="submit" value="Login">
</form>

<br />

<form action="register.php" method="post">
    <input type="text" name="user">
    <input type="password" name="password">
    <input type="submit" value="Register">
</form>

Or do this

<form action="doStuff.php" method="post">
    <input type="text" name="user">
    <input type="password" name="password">
    <input type="hidden" name="action" value="login">
    <input type="submit" value="Login">
</form>

<br />

<form action="doStuff.php" method="post">
    <input type="text" name="user">
    <input type="password" name="password">
    <input type="hidden" name="action" value="register">
    <input type="submit" value="Register">
</form>

Then you PHP file would work as a switch($_POST['action']) ... furthermore, they can't click on both links at the same time or make a simultaneous request, each submit is a separate request.

Your PHP would then go on with the switch logic or have different php files doing a login procedure then a registration procedure

Use the bitwise AND operator.

function oddOrEven(x) {_x000D_
  return ( x & 1 ) ? "odd" : "even";_x000D_
}_x000D_
_x000D_
function checkNumber(argNumber) {_x000D_
  document.getElementById("result").innerHTML = "Number " + argNumber + " is " + oddOrEven(argNumber);_x000D_
}_x000D_
 _x000D_
checkNumber(17);

<div id="result" style="font-size:150%;text-shadow: 1px 1px 2px #CE5937;" ></div>

If you don't want a string return value, but rather a boolean one, use this:

var isOdd = function(x) { return x & 1; };
var isEven  = function(x) { return !( x & 1 ); };

This also works if you are looping over an object.

unset($object->$key);

No need to use brackets.

You could also use this existing solution. The demo is here. It looks like youtube loading bar. I just found it and added it to my own project.

I want to share this code I wrote for the issue I had to resolve. It was tested in most of the major browsers and works like a charm, for me!

It may seems that this code is very similar to the other answers but it modifyed so that I can use it insted of the browser object in jquery which missed for me recently, of course it is a combination from the above codes, with little improvements from my part I made:

(function($, ua){

var M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [],
    tem, 
    res;

if(/trident/i.test(M[1])){
    tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
    res = 'IE ' + (tem[1] || '');
}
else if(M[1] === 'Chrome'){
    tem = ua.match(/\b(OPR|Edge)\/(\d+)/);
    if(tem != null) 
        res = tem.slice(1).join(' ').replace('OPR', 'Opera');
    else
        res = [M[1], M[2]];
}
else {
    M = M[2]? [M[1], M[2]] : [navigator.appName, navigator.appVersion, '-?'];
    if((tem = ua.match(/version\/(\d+)/i)) != null) M = M.splice(1, 1, tem[1]);
    res = M;
}

res = typeof res === 'string'? res.split(' ') : res;

$.browser = {
    name: res[0],
    version: res[1],
    msie: /msie|ie/i.test(res[0]),
    firefox: /firefox/i.test(res[0]),
    opera: /opera/i.test(res[0]),
    chrome: /chrome/i.test(res[0]),
    edge: /edge/i.test(res[0])
}

})(typeof jQuery != 'undefined'? jQuery : window.$, navigator.userAgent);

 console.log($.browser.name, $.browser.version, $.browser.msie); 
// if IE 11 output is: IE 11 true

Input the following to your Apache configuration:

php_value memory_limit 2048M

You should be using a Property:

Private _myValue As String
Public Property MyValue As String
    Get
        Return _myValue
    End Get
    Set(value As String)
        _myValue = value
     End Set
End Property

Then use it like so:

MyValue = "Hello"
Console.write(MyValue)

Never give borderRadius to your <Text /> always wrap that <Text /> inside your <View /> or in your <TouchableOpacity/>.

borderRadius on <Text /> will work perfectly on Android devices. But on IOS devices it won't work.

So keep this in your practice to wrap your <Text/> inside your <View/> or on <TouchableOpacity/> and then give the borderRadius to that <View /> or <TouchableOpacity /> so that it will work on both Android as well as on IOS devices.

For example:-

<TouchableOpacity style={{borderRadius: 15}}>
   <Text>Button Text</Text>
</TouchableOpacity>

-Thanks

/([1-9][0-9]*)|0/

If you have Express.js, you can use express-mongo-db for caching and sharing the MongoDB connection between requests without a pool (since the accepted answer says it is the right way to share the connection).

If not - you can look at its source code and use it in another framework.

For me, as of Google Chrome Version 46.0.2490.71 m, the Headers info area is a little hidden. To access:

1. While the browser is open, press F12 to access Web Developer tools

2. When opened, click the "Network" option

3. Initially, it is possible the page data is not present/up to date. Refresh the page if necessary

4. Observe the page information appears in the listing. (Also, make sure "All" is selected next to the "Hide data URLs" checkbox)

see screenshot

I had the same problem with selenium 2 in internet explorer 9, but my fix is really strange. I was not able to click into inputs inside my form -> selenium repeats, their are not visible.

It occured when my form had curved shadows -> http://www.paulund.co.uk/creating-different-css3-box-shadows-effects: in the concrete "Effect no. 2"

I have no idea, why&how this pseudo element solution's stopped selenium tests, but it works for me.

<div style="position: absolute; overflow: hidden; left: 0px; top: 0px; border: solid 2px #555; width:594px; height:332px;">
<div style="overflow: hidden; margin-top: -100px; margin-left: -25px;">
</div>
<iframe src="http://example.com/" scrolling="no" style="height: 490px; border: 0px none; width: 619px; margin-top: -60px; margin-left: -24px; ">
</iframe>
</div>
</div>

Yes, there are a few of them.

• ReDoc [Article on swagger.io] [GitHub] [demo] - Reinvented OpenAPI/Swagger-generated API Reference Documentation (I'm the author)

• OpenAPI GUI [GitHub] [demo] - GUI / visual editor for creating and editing OpenApi / Swagger definitions (has OpenAPI 3 support)

• Responsive Fork of SwaggerUI [GitHub] [demo]

• SwaggerUI-Angular [GitHub] [demo] - An angularJS implementation of Swagger UI

• angular-swagger-ui-material [GitHub] [demo] - Material Design template for angular-swager-ui

Hosted solutions that support swagger:

• Apiary - can import from swagger
• Readme.io - can import from swagger
• Lucybot console - supports swagger natively
• Postman - can import from swagger
• Stoplight - supports swagger natively - editing and reading

Check the following articles for more details:

• Ultimate Guide to 30+ API Documentation Solutions
• Turning Contracts into Beautiful Documentation (focused mainly on Swagger)
• An evaluation of auto-generated REST API Documentation UIs (focused mainly on Swagger)
• Free and Open Source API Documentation Tools

If you have supporting indexes, and relatively high counts, something like this may be considerably faster than the solutions suggested:

SELECT name, MAX(Rcount) + MAX(Acount) AS TotalCount
FROM (
  SELECT name, COUNT(*) AS Rcount, 0 AS Acount
  FROM Results GROUP BY name
  UNION ALL
  SELECT name, 0, count(*)
  FROM Archive_Results
  GROUP BY name
) AS Both
GROUP BY name
ORDER BY name;

React Router v4 and React Router v5, generic

React Router v4 does not parse the query for you any more, but you can only access it via this.props.location.search (or useLocation, see below). For reasons see nbeuchat's answer.

E.g. with qs library imported as qs you could do

qs.parse(this.props.location.search, { ignoreQueryPrefix: true }).__firebase_request_key

Another library would be query-string. See this answer for some more ideas on parsing the search string. If you do not need IE-compatibility you can also use

new URLSearchParams(this.props.location.search).get("__firebase_request_key")

For functional components you would replace this.props.location with the hook useLocation. Note, you could use window.location.search, but this won't allow to trigger React rendering on changes. If your (non-functional) component is not a direct child of a Switch you need to use withRouter to access any of the router provided props.

React Router v3

React Router already parses the location for you and passes it to your RouteComponent as props. You can access the query (after ? in the url) part via

this.props.location.query.__firebase_request_key

If you are looking for the path parameter values, separated with a colon (:) inside the router, these are accessible via

this.props.match.params.redirectParam

This applies to late React Router v3 versions (not sure which). Older router versions were reported to use this.props.params.redirectParam.

General

nizam.sp's suggestion to do

console.log(this.props)

will be helpful in any case.

For Java 8 you can use the following command line to get the heap space utilization in kB:

jstat -gc <PID> | tail -n 1 | awk '{split($0,a," "); sum=a[3]+a[4]+a[6]+a[8]; print sum}'

The command basically sums up:

• S0U: Survivor space 0 utilization (kB).
• S1U: Survivor space 1 utilization (kB).
• EU: Eden space utilization (kB).
• OU: Old space utilization (kB).

You may also want to include the metaspace and the compressed class space utilization. In this case you have to add a[10] and a[12] to the awk sum.

You can use easily to dump selected tables using MYSQLWorkbench tool ,individually or group of tables at one dump then import it as follow: also u can add host information if u are running it in your local by adding -h IP.ADDRESS.NUMBER after-u username

mysql -u root -p databasename < dumpfileFOurTableInOneDump.sql 

There are several ways rsync compares files -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.

For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because size and timestamp match between source and destination it doesn't look further. If they don't match, it cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended.

Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size is the same, but the corrected file will have a newer timestamp. --size-only says "don't look at the time; if size matches assume files match", which would be the wrong choice in this case.

On the other hand, suppose you accidentally did a big cp -r A B yesterday, but you forgot to preserve the time stamps, and now you want to do the operation in reverse rsync B A. All those files you cp'ed have yesterday's time stamp, even though they weren't really modified yesterday, and rsync will by default end up copying all those files, and updating the timestamp to yesterday too. --size-only may be your friend in this case (modulo the example above).

--ignore-times says to compare the files regardless of whether the files have the same modify time. Consider the typo example above, but then not only did you correct the typo but you used touch to make the corrected file have the same modify time as the original file -- let's just say you're sneaky that way. Well --ignore-times will do a diff of the files even though the size and time match.

You have to actually call some method to create the directories. Just creating a file object will not create the corresponding file or directory on the file system.

You can use File#mkdirs() method to create the directory: -

theFile.mkdirs();

Difference between File#mkdir() and File#mkdirs() is that, the later will create any intermediate directory if it does not exist.

It all depends in what you understand as phone number. Phone numbers are country specific. The localflavors packages for several countries contains their own "phone number field". So if you are ok being country specific you should take a look at localflavor package (class us.models.PhoneNumberField for US case, etc.)

Otherwise you could inspect the localflavors to get the maximun lenght for all countries. Localflavor also has forms fields you could use in conjunction with the country code to validate the phone number.

1. 'sender' is called object which has some action perform on some control

2. 'event' its having some information about control which has some behavoiur and identity perform by some user.when action will generate by occuring for event add it keep within array is called event agrs

In case if you're trying to deploy a project using VSTS, then issue might be connected with checking "Hosted Windows Container" option instead of "Hosted VS2017"(or 18, etc.):

I ran into an article that illustrates a method where the data from the same excel sheet can be imported in the selected table until there is no modifications in excel with data types.

If the data is inserted or overwritten with new ones, importing process will be successfully accomplished, and the data will be added to the table in SQL database.

The article may be found here: http://www.sqlshack.com/using-ssis-packages-import-ms-excel-data-database/

Hope it helps.

I ran into this issue with the publishing pipeline (which produces a _PublishedWebsites directory), and used this as a Target in the project:

<Target Name="CopyRoslynCompilerFilesToPublishedWebsitesDirectory" AfterTargets="AfterBuild" Condition="Exists('$(OutDir)\_PublishedWebsites\$(TargetName)')">
    <Copy SourceFiles="@(RoslyCompilerFiles)" DestinationFolder="$(OutDir)\_PublishedWebsites\$(TargetName)\bin\roslyn" ContinueOnError="true" SkipUnchangedFiles="true" />
</Target>

The downside is that there will be two copies of the Roslyn files in the output.

For Angular 4

Url:

http://example.com/company/100

Router Path :

const routes: Routes = [
  { path: 'company/:companyId', component: CompanyDetailsComponent},

]

Component:

@Component({
  selector: 'company-details',
  templateUrl: './company.details.component.html',
  styleUrls: ['./company.component.css']
})
export class CompanyDetailsComponent{
   companyId: string;

   constructor(private router: Router, private route: ActivatedRoute) {
          this.route.params.subscribe(params => {
          this.companyId = params.companyId;
          console.log('companyId :'+this.companyId);
     }); 
  }
}

Console Output:

companyId : 100

by using Listbuffer we can save data into single file:

import java.io.FileWriter
import org.apache.spark.sql.SparkSession
import scala.collection.mutable.ListBuffer
    val text = spark.read.textFile("filepath")
    var data = ListBuffer[String]()
    for(line:String <- text.collect()){
      data += line
    }
    val writer = new FileWriter("filepath")
    data.foreach(line => writer.write(line.toString+"\n"))
    writer.close()

An object is only once in memory. Your first addition to list just adds the object references.

anotherList.addAll will also just add the references. So still only 100 objects in memory.

If you change list by adding/removing elements, anotherList won't be changed. But if you change any object in list, then it's content will be also changed, when accessing it from anotherList, because the same reference is being pointed to from both lists.

You could also use missing() to test whether or not the argument y was supplied:

fooBar <- function(x,y){
    if(missing(y)) {
        x
    } else {
        x + y
    }
}

fooBar(3,1.5)
# [1] 4.5
fooBar(3)
# [1] 3

HashMap has initial capacity and HashMap's performance very very depends on hashCode that produce underlying objects.

Try to tweak both.

I have tried the solution which redirects 405 to 200, and in production environment(in my case, it's Google Load Balancing with Nginx Docker container), this hack causes some 502 errors(Google Load Balancing error code: backend_early_response_with_non_error_status).

In the end, I have made this work properly by replacing Nginx with OpenResty which is completely compatible with Nginx and have more plugins.

With ngx_coolkit, Now Nginx(OpenResty) could serve static files with POST request properly, here is the config file in my case:

server {
  listen 80;

  location / {
    override_method GET;
    proxy_pass http://127.0.0.1:8080;
  }
}

server {
  listen 8080;
  location / {
    root /var/www/web-static;
    index index.html;
    add_header Cache-Control no-cache;
  }
}

In the above config, I use override_method offered by ngx_coolkit to override the HTTP Method to GET.

Updating for latest release:

<dependency>
    <groupId>org.postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <version>42.2.14</version>
</dependency>

Source

Hope it helps!

Here's a performance comparison of the two. HTTP is more responsive for request-response of small files, but FTP may be better for large files if tuned properly. FTP used to be generally considered faster. FTP requires a control channel and state be maintained besides the TCP state but HTTP does not. There are 6 packet transfers before data starts transferring in FTP but only 4 in HTTP.

I think a properly tuned TCP layer would have more effect on speed than the difference between application layer protocols. The Sun Blueprint Understanding Tuning TCP has details.

Heres another good comparison of individual characteristics of each protocol.

I ran into this issue over the past couple days. Like Omri Aharon said in their answer above, it is important to add definitions for your prop types similar to:

SomeClass.propTypes = {
    someProp: PropTypes.number,
    onTap: PropTypes.func,
};

Don't forget to add the prop definitions outside of your class. I would place it right below/above my class. If you are not sure what your variable type or suffix is for your PropType (ex: PropTypes.number), refer to this npm reference. To Use PropTypes, you must import the package:

import PropTypes from 'prop-types';

If you get the linting error:someProp is not required, but has no corresponding defaultProps declaration all you have to do is either add .isRequired to the end of your prop definition like so:

SomeClass.propTypes = {
    someProp: PropTypes.number.isRequired,
    onTap: PropTypes.func.isRequired,
};

OR add default prop values like so:

SomeClass.defaultProps = {
    someProp: 1
};

If you are anything like me, unexperienced or unfamiliar with reactjs, you may also get this error: Must use destructuring props assignment. To fix this error, define your props before they are used. For example:

const { someProp } = this.props;

Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page.

You are setting the extra with an array. You are then trying to get a single int.

Your code should be:

int[] arrayB = extras.getIntArray("numbers");

Sorting such a vector or any other applicable (mutable input iterator) range of custom objects of type X can be achieved using various methods, especially including the use of standard library algorithms like

• sort,
• stable_sort,
• partial_sort or
• partial_sort_copy.

Since most of the techniques, to obtain relative ordering of X elements, have already been posted, I'll start by some notes on "why" and "when" to use the various approaches.

The "best" approach will depend on different factors:

1. Is sorting ranges of X objects a common or a rare task (will such ranges be sorted a mutiple different places in the program or by library users)?
2. Is the required sorting "natural" (expected) or are there multiple ways the type could be compared to itself?
3. Is performance an issue or should sorting ranges of X objects be foolproof?

If sorting ranges of X is a common task and the achieved sorting is to be expected (i.e. X just wraps a single fundamental value) then on would probably go for overloading operator< since it enables sorting without any fuzz (like correctly passing proper comparators) and repeatedly yields expected results.

If sorting is a common task or likely to be required in different contexts, but there are multiple criteria which can be used to sort X objects, I'd go for Functors (overloaded operator() functions of custom classes) or function pointers (i.e. one functor/function for lexical ordering and another one for natural ordering).

If sorting ranges of type X is uncommon or unlikely in other contexts I tend to use lambdas instead of cluttering any namespace with more functions or types.

This is especially true if the sorting is not "clear" or "natural" in some way. You can easily get the logic behind the ordering when looking at a lambda that is applied in-place whereas operator< is opague at first sight and you'd have to look the definition up to know what ordering logic will be applied.

Note however, that a single operator< definition is a single point of failure whereas multiple lambas are multiple points of failure and require a more caution.

If the definition of operator< isn't available where the sorting is done / the sort template is compiled, the compiler might be forced to make a function call when comparing objects, instead of inlining the ordering logic which might be a severe drawback (at least when link time optimization/code generation is not applied).

Ways to achieve comparability of class X in order to use standard library sorting algorithms

Let std::vector<X> vec_X; and std::vector<Y> vec_Y;

1. Overload T::operator<(T) or operator<(T, T) and use standard library templates that do not expect a comparison function.

Either overload member operator<:

struct X {
  int i{}; 
  bool operator<(X const &r) const { return i < r.i; } 
};
// ...
std::sort(vec_X.begin(), vec_X.end());

or free operator<:

struct Y {
  int j{}; 
};
bool operator<(Y const &l, Y const &r) { return l.j < r.j; }
// ...
std::sort(vec_Y.begin(), vec_Y.end());

2. Use a function pointer with a custom comparison function as sorting function parameter.

struct X {
  int i{};  
};
bool X_less(X const &l, X const &r) { return l.i < r.i; }
// ...
std::sort(vec_X.begin(), vec_X.end(), &X_less);

3. Create a bool operator()(T, T) overload for a custom type which can be passed as comparison functor.

struct X {
  int i{};  
  int j{};
};
struct less_X_i
{
    bool operator()(X const &l, X const &r) const { return l.i < r.i; }
};
struct less_X_j
{
    bool operator()(X const &l, X const &r) const { return l.j < r.j; }
};
// sort by i
std::sort(vec_X.begin(), vec_X.end(), less_X_i{});
// or sort by j
std::sort(vec_X.begin(), vec_X.end(), less_X_j{});

Those function object definitions can be written a little more generic using C++11 and templates:

struct less_i
{ 
    template<class T, class U>
    bool operator()(T&& l, U&& r) const { return std::forward<T>(l).i < std::forward<U>(r).i; }
};

which can be used to sort any type with member i supporting <.

4. Pass an anonymus closure (lambda) as comparison parameter to the sorting functions.

struct X {
  int i{}, j{};
};
std::sort(vec_X.begin(), vec_X.end(), [](X const &l, X const &r) { return l.i < r.i; });

Where C++14 enables a even more generic lambda expression:

std::sort(a.begin(), a.end(), [](auto && l, auto && r) { return l.i < r.i; });

which could be wrapped in a macro

#define COMPARATOR(code) [](auto && l, auto && r) -> bool { return code ; }

making ordinary comparator creation quite smooth:

// sort by i
std::sort(v.begin(), v.end(), COMPARATOR(l.i < r.i));
// sort by j
std::sort(v.begin(), v.end(), COMPARATOR(l.j < r.j));

byte[] bytes = new byte[100];

Initializes all byte elements with default values, which for byte is 0. In fact, all elements of an array when constructed, are initialized with default values for the array element's type.

According to nginx documentation

there is no syntax for NOT matching a regular expression. Instead, match the target regular expression and assign an empty block, then use location / to match anything else

So you could define something like

location ~ (dir1|file2\.php) { 
    # empty
}

location / {
    rewrite ^/(.*) http://example.com/$1 permanent; 
}

((Number) intOrLongOrSomewhat).longValue()

I usually pass the RowIndex via CommandArgument and use it to retrieve the DataKey value I want.

On the Button:

CommandArgument='<%# DataBinder.Eval(Container, "RowIndex") %>'

On the Server Event

int rowIndex = int.Parse(e.CommandArgument.ToString());
string val = (string)this.grid.DataKeys[rowIndex]["myKey"];

You can use String.Join. If you have a List<string> then you can call ToArray first:

List<string> names = new List<string>() { "John", "Anna", "Monica" };
var result = String.Join(", ", names.ToArray());

In .NET 4 you don't need the ToArray anymore, since there is an overload of String.Join that takes an IEnumerable<string>.

Results:

John, Anna, Monica

Four little additions to the accepted solution:

1. Apply 'noscroll' to html instead of to body to prevent double scroll bars in IE
2. To check if there's actually a scroll bar before adding the 'noscroll' class. Otherwise, the site will also jump pushed by the new non-scrolling scroll bar.
3. To keep any possible scrollTop so the entire page doesn't go back to the top (like Fabrizio's update, but you need to grab the value before adding the 'noscroll' class)
4. Not all browsers handle scrollTop the same way as documented at http://help.dottoro.com/ljnvjiow.php

Complete solution that seems to work for most browsers:

CSS

html.noscroll {
    position: fixed; 
    overflow-y: scroll;
    width: 100%;
}

Disable scroll

if ($(document).height() > $(window).height()) {
     var scrollTop = ($('html').scrollTop()) ? $('html').scrollTop() : $('body').scrollTop(); // Works for Chrome, Firefox, IE...
     $('html').addClass('noscroll').css('top',-scrollTop);         
}

Enable scroll

var scrollTop = parseInt($('html').css('top'));
$('html').removeClass('noscroll');
$('html,body').scrollTop(-scrollTop);

Thanks to Fabrizio and Dejan for putting me on the right track and to Brodingo for the solution to the double scroll bar

We should always add scrollView.getPaddingBottom() to match full scrollview height because some time scroll view has padding in xml file so that case its not going to work.

scrollView.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() {
        @Override
        public void onScrollChanged() {
            if (scrollView != null) {
               View view = scrollView.getChildAt(scrollView.getChildCount()-1);
               int diff = (view.getBottom()+scrollView.getPaddingBottom()-(scrollView.getHeight()+scrollView.getScrollY()));

          // if diff is zero, then the bottom has been reached
               if (diff == 0) {
               // do stuff
                }
            }
        }
    });

Use regex.test() if all you want is a boolean result:

console.log(/^([a-z0-9]{5,})$/.test('abc1')); // false_x000D_
_x000D_
console.log(/^([a-z0-9]{5,})$/.test('abc12')); // true_x000D_
_x000D_
console.log(/^([a-z0-9]{5,})$/.test('abc123')); // true

...and you could remove the () from your regexp since you've no need for a capture.

One of the nice things about the syntax is that you can be sure that a CREATE OR REPLACE will never cause you to lose data (the most you will lose is code, which hopefully you'll have stored in source control somewhere).

The equivalent syntax for tables is ALTER, which means you have to explicitly enumerate the exact changes that are required.

EDIT: By the way, if you need to do a DROP + CREATE in a script, and you don't care for the spurious "object does not exist" errors (when the DROP doesn't find the table), you can do this:

BEGIN
  EXECUTE IMMEDIATE 'DROP TABLE owner.mytable';
EXCEPTION
  WHEN OTHERS THEN
    IF sqlcode != -0942 THEN RAISE; END IF;
END;
/

By registering the class (specifically its CLSID) -- see e.g. here.

Try this

div_x000D_
{_x000D_
  width:100px;_x000D_
  height:100px;_x000D_
  background:red;_x000D_
  transition: all 1s ease-in-out;_x000D_
  -webkit-transition: all 1s ease-in-out;_x000D_
  -moz-transition: all 1s ease-in-out;_x000D_
  -o-transition: all 1s ease-in-out;_x000D_
  -ms-transition: all 1s ease-in-out;_x000D_
  position:absolute;_x000D_
}_x000D_
div:hover_x000D_
{_x000D_
  transform: translate(3em,0);_x000D_
  -webkit-transform: translate(3em,0);_x000D_
  -moz-transform: translate(3em,0);_x000D_
  -o-transform: translate(3em,0);_x000D_
  -ms-transform: translate(3em,0);_x000D_
}

<p><b>Note:</b> This example does not work in Internet Explorer 9 and earlier versions.</p>_x000D_
<div></div>_x000D_
<p>Hover over the div element above, to see the transition effect.</p>

DEMO

You need to annotate your Customer class with @Named or @Model annotation:

package de.java2enterprise.onlineshop.model;
@Model
public class Customer {
    private String email;
    private String password;
}

or create/modify beans.xml:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_1_1.xsd"
   bean-discovery-mode="all">
</beans>

In c/c++ land, when not using stl containers, I tend to use quicksort, because it is built into the run time, while mergesort is not.

So I believe that in many cases, it is simply the path of least resistance.

In addition performance can be much higher with quick sort, for cases where the entire dataset does not fit into the working set.

it is for empty table:

ALTER TABLE `table_name` AUTO_INCREMENT = 1;

if you have data but you want to tidy up it, i recommend use this :

ALTER TABLE `table_name` DROP `auto_colmn`;
ALTER TABLE `table_name` ADD  `auto_colmn` INT( {many you want} ) NOT NULL AUTO_INCREMENT FIRST ,ADD PRIMARY KEY (`auto_colmn`);

It's all in the tutorial how to do that:

    ContentValues args = new ContentValues();
    args.put(columnName, newValue);
    db.update(DATABASE_TABLE, args, KEY_ROWID + "=" + rowId, null);

Use ContentValues to set the updated columns and than the update() method in which you have to specifiy, the table and a criteria to only update the rows you want to update.

More obvious and simple, thread safe example:

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char **argv)
{
    if (argc < 2){
        printf ("Dont' forget to pass arguments!\n");
        return(-1);
    }

    printf ("You have executed the program : %s\n", argv[0]);

    for(int i = 1; i < argc; i++){
        if(strcmp(argv[i],"--some_definite_parameter") == 0){
            printf("You have passed some definite parameter as an argument. And it is \"%s\".\n",argv[i]);
        }
        else if(strspn(argv[i], "0123456789") == strlen(argv[i])) {
            size_t big_digit = 0;
            sscanf(argv[i], "%zu%*c",&big_digit);
            printf("Your %d'nd argument contains only digits, and it is a number \"%zu\".\n",i,big_digit);
        }
        else if(strspn(argv[i], "0123456789abcdefghijklmnopqrstuvwxyz./") == strlen(argv[i]))
        {
            printf("%s - this string might contain digits, small letters and path symbols. It could be used for passing a file name or a path, for example.\n",argv[i]);
        }
        else if(strspn(argv[i], "ABCDEFGHIJKLMNOPQRSTUVWXYZ") == strlen(argv[i]))
        {
            printf("The string \"%s\" contains only capital letters.\n",argv[i]);
        }
    }
}

Here I answer the question directly. How to deal with it?

Make a .copy(deep=False) after you slice. See pandas.DataFrame.copy.

Wait, doesn't a slice return a copy? After all, this is what the warning message is attempting to say? Read the long answer:

import pandas as pd
df = pd.DataFrame({'x':[1,2,3]})

This gives a warning:

df0 = df[df.x>2]
df0['foo'] = 'bar'

This does not:

df1 = df[df.x>2].copy(deep=False)
df1['foo'] = 'bar'

Both df0 and df1 are DataFrame objects, but something about them is different that enables pandas to print the warning. Let's find out what it is.

import inspect
slice= df[df.x>2]
slice_copy = df[df.x>2].copy(deep=False)
inspect.getmembers(slice)
inspect.getmembers(slice_copy)

Using your diff tool of choice, you will see that beyond a couple of addresses, the only material difference is this:

|          | slice   | slice_copy |
| _is_copy | weakref | None       |

The method that decides whether to warn is DataFrame._check_setitem_copy which checks _is_copy. So here you go. Make a copy so that your DataFrame is not _is_copy.

The warning is suggesting to use .loc, but if you use .loc on a frame that _is_copy, you will still get the same warning. Misleading? Yes. Annoying? You bet. Helpful? Potentially, when chained assignment is used. But it cannot correctly detect chain assignment and prints the warning indiscriminately.

When you want to fetch max value of a date column from dataframe, just the value without object type or Row object information, you can refer to below code.

table = "mytable"

max_date = df.select(max('date_col')).first()[0]

2020-06-26
instead of Row(max(reference_week)=datetime.date(2020, 6, 26))

On events "Enter" (for example: press Tab key) or "First Click" all text will be selected. dotNET 4.0

public static class TbHelper
{
    // Method for use
    public static void SelectAllTextOnEnter(TextBox Tb)
    {
        Tb.Enter += new EventHandler(Tb_Enter);
        Tb.Click += new EventHandler(Tb_Click);
    }

    private static TextBox LastTb;

    private static void Tb_Enter(object sender, EventArgs e)
    {
        var Tb = (TextBox)sender;
        Tb.SelectAll();
        LastTb = Tb;
    }

    private static void Tb_Click(object sender, EventArgs e)
    {
        var Tb = (TextBox)sender;
        if (LastTb == Tb)
        {
            Tb.SelectAll();
            LastTb = null;
        }
    }
}

Simple.

Assuming that in your Activity-1, you did this:

String stringExtra = "Some string you want to pass";

Intent intent = new Intent(this, AndroidTabRestaurantDescSearchListView.class);

//include the string in your intent
intent.putExtra("string", stringExtra);

startActivity(intent);

And in your AndroidTabRestaurantDescSearchListView class, do this:

//fetch the string  from the intent
String extraFromAct1 = getIntent().getStringExtra("string");

Intent intent = new Intent(this, RatingDescriptionSearchActivity.class);

//attach same string and send it with the intent
intent.putExtra("string", extraFromAct1);
startActivity(intent);

Then in your RatingDescriptionSearchActivity class, do this:

String extraFromAct1 = getIntent().getStringExtra("string");

I had the same problem: my file was not encoded as UTF-8. I have solved it by opening the file with notepad++ and changing the encoding of the file.

Go to "Encoding" and select "Convert to UTF-8". Save changes and that's all!

Relying on the PDF that @CBroe posted earlier:

For best og:image results (retina ready & without being cropped) with the current Facebook Standard use:

Size: minimum 1200 x 630px

Ratio: 1.91:1

sudo mv /usr/bin/python /usr/bin/python2
sudo ln -s $(which python3) /usr/bin/python

This will break scripts, but is exactly the way to change python. You should also rewrite the scripts to not assume python is 2.x. This will work regardless of the place where you call system or exec.

Webkit's support for scrollbars is quite sophisticated. This CSS gives a very minimal scrollbar, with a light grey track and a darker thumb:

::-webkit-scrollbar
{
  width: 12px;  /* for vertical scrollbars */
  height: 12px; /* for horizontal scrollbars */
}

::-webkit-scrollbar-track
{
  background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb
{
  background: rgba(0, 0, 0, 0.5);
}

This answer is a fantastic source of additional information.

Use angular-ui-bootstrap's typehead.

It had great support for $http and promises. Also, it doesn't include any JQuery at all, pure AngularJS.

(I always prefer using existing libraries and if they are missing something to open an issue or pull request, much better then creating your own again)

//s - your string
//n - maximum number of right characters to take at the end of string
(new Regex("^.*?(.{1,n})$")).Replace(s,"$1")

5. Common pitfalls when using arrays.

5.1 Pitfall: Trusting type-unsafe linking.

OK, you’ve been told, or have found out yourself, that globals (namespace scope variables that can be accessed outside the translation unit) are Evil™. But did you know how truly Evil™ they are? Consider the program below, consisting of two files [main.cpp] and [numbers.cpp]:

// [main.cpp]
#include <iostream>

extern int* numbers;

int main()
{
    using namespace std;
    for( int i = 0;  i < 42;  ++i )
    {
        cout << (i > 0? ", " : "") << numbers[i];
    }
    cout << endl;
}

// [numbers.cpp]
int numbers[42] = {1, 2, 3, 4, 5, 6, 7, 8, 9};

In Windows 7 this compiles and links fine with both MinGW g++ 4.4.1 and Visual C++ 10.0.

Since the types don't match, the program crashes when you run it.

In-the-formal explanation: the program has Undefined Behavior (UB), and instead of crashing it can therefore just hang, or perhaps do nothing, or it can send threating e-mails to the presidents of the USA, Russia, India, China and Switzerland, and make Nasal Daemons fly out of your nose.

In-practice explanation: in main.cpp the array is treated as a pointer, placed at the same address as the array. For 32-bit executable this means that the first int value in the array, is treated as a pointer. I.e., in main.cpp the numbers variable contains, or appears to contain, (int*)1. This causes the program to access memory down at very bottom of the address space, which is conventionally reserved and trap-causing. Result: you get a crash.

The compilers are fully within their rights to not diagnose this error, because C++11 §3.5/10 says, about the requirement of compatible types for the declarations,

[N3290 §3.5/10]
A violation of this rule on type identity does not require a diagnostic.

The same paragraph details the variation that is allowed:

… declarations for an array object can specify array types that differ by the presence or absence of a major array bound (8.3.4).

This allowed variation does not include declaring a name as an array in one translation unit, and as a pointer in another translation unit.

5.2 Pitfall: Doing premature optimization (memset & friends).

Not written yet

5.3 Pitfall: Using the C idiom to get number of elements.

With deep C experience it’s natural to write …

#define N_ITEMS( array )   (sizeof( array )/sizeof( array[0] ))

Since an array decays to pointer to first element where needed, the expression sizeof(a)/sizeof(a[0]) can also be written as sizeof(a)/sizeof(*a). It means the same, and no matter how it’s written it is the C idiom for finding the number elements of array.

Main pitfall: the C idiom is not typesafe. For example, the code …

#include <stdio.h>

#define N_ITEMS( array ) (sizeof( array )/sizeof( *array ))

void display( int const a[7] )
{
    int const   n = N_ITEMS( a );          // Oops.
    printf( "%d elements.\n", n );
}

int main()
{
    int const   moohaha[]   = {1, 2, 3, 4, 5, 6, 7};

    printf( "%d elements, calling display...\n", N_ITEMS( moohaha ) );
    display( moohaha );
}

passes a pointer to N_ITEMS, and therefore most likely produces a wrong result. Compiled as a 32-bit executable in Windows 7 it produces …

7 elements, calling display...
1 elements.

1. The compiler rewrites int const a[7] to just int const a[].
2. The compiler rewrites int const a[] to int const* a.
3. N_ITEMS is therefore invoked with a pointer.
4. For a 32-bit executable sizeof(array) (size of a pointer) is then 4.
5. sizeof(*array) is equivalent to sizeof(int), which for a 32-bit executable is also 4.

In order to detect this error at run time you can do …

#include <assert.h>
#include <typeinfo>

#define N_ITEMS( array )       (                               \
    assert((                                                    \
        "N_ITEMS requires an actual array as argument",        \
        typeid( array ) != typeid( &*array )                    \
        )),                                                     \
    sizeof( array )/sizeof( *array )                            \
    )

7 elements, calling display...
Assertion failed: ( "N_ITEMS requires an actual array as argument", typeid( a ) != typeid( &*a ) ), file runtime_detect ion.cpp, line 16

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

The runtime error detection is better than no detection, but it wastes a little processor time, and perhaps much more programmer time. Better with detection at compile time! And if you're happy to not support arrays of local types with C++98, then you can do that:

#include <stddef.h>

typedef ptrdiff_t   Size;

template< class Type, Size n >
Size n_items( Type (&)[n] ) { return n; }

#define N_ITEMS( array )       n_items( array )

Compiling this definition substituted into the first complete program, with g++, I got …

M:\count> g++ compile_time_detection.cpp
compile_time_detection.cpp: In function 'void display(const int*)':
compile_time_detection.cpp:14: error: no matching function for call to 'n_items(const int*&)'

M:\count> _

How it works: the array is passed by reference to n_items, and so it does not decay to pointer to first element, and the function can just return the number of elements specified by the type.

With C++11 you can use this also for arrays of local type, and it's the type safe C++ idiom for finding the number of elements of an array.

5.4 C++11 & C++14 pitfall: Using a constexpr array size function.

With C++11 and later it's natural, but as you'll see dangerous!, to replace the C++03 function

typedef ptrdiff_t   Size;

template< class Type, Size n >
Size n_items( Type (&)[n] ) { return n; }

with

using Size = ptrdiff_t;

template< class Type, Size n >
constexpr auto n_items( Type (&)[n] ) -> Size { return n; }

where the significant change is the use of constexpr, which allows this function to produce a compile time constant.

For example, in contrast to the C++03 function, such a compile time constant can be used to declare an array of the same size as another:

// Example 1
void foo()
{
    int const x[] = {3, 1, 4, 1, 5, 9, 2, 6, 5, 4};
    constexpr Size n = n_items( x );
    int y[n] = {};
    // Using y here.
}

But consider this code using the constexpr version:

// Example 2
template< class Collection >
void foo( Collection const& c )
{
    constexpr int n = n_items( c );     // Not in C++14!
    // Use c here
}

auto main() -> int
{
    int x[42];
    foo( x );
}

The pitfall: as of July 2015 the above compiles with MinGW-64 5.1.0 with -pedantic-errors, and, testing with the online compilers at gcc.godbolt.org/, also with clang 3.0 and clang 3.2, but not with clang 3.3, 3.4.1, 3.5.0, 3.5.1, 3.6 (rc1) or 3.7 (experimental). And important for the Windows platform, it does not compile with Visual C++ 2015. The reason is a C++11/C++14 statement about use of references in constexpr expressions:

A conditional-expression e is a core constant expression unless the evaluation of e, following the rules of the abstract machine (1.9), would evaluate one of the following expressions:
        ?

• an id-expression that refers to a variable or data member of reference type unless the reference has a preceding initialization and either
  • it is initialized with a constant expression or
  • it is a non-static data member of an object whose lifetime began within the evaluation of e;

One can always write the more verbose

// Example 3  --  limited

using Size = ptrdiff_t;

template< class Collection >
void foo( Collection const& c )
{
    constexpr Size n = std::extent< decltype( c ) >::value;
    // Use c here
}

… but this fails when Collection is not a raw array.

To deal with collections that can be non-arrays one needs the overloadability of an n_items function, but also, for compile time use one needs a compile time representation of the array size. And the classic C++03 solution, which works fine also in C++11 and C++14, is to let the function report its result not as a value but via its function result type. For example like this:

// Example 4 - OK (not ideal, but portable and safe)

#include <array>
#include <stddef.h>

using Size = ptrdiff_t;

template< Size n >
struct Size_carrier
{
    char sizer[n];
};

template< class Type, Size n >
auto static_n_items( Type (&)[n] )
    -> Size_carrier<n>;
// No implementation, is used only at compile time.

template< class Type, size_t n >        // size_t for g++
auto static_n_items( std::array<Type, n> const& )
    -> Size_carrier<n>;
// No implementation, is used only at compile time.

#define STATIC_N_ITEMS( c ) \
    static_cast<Size>( sizeof( static_n_items( c ).sizer ) )

template< class Collection >
void foo( Collection const& c )
{
    constexpr Size n = STATIC_N_ITEMS( c );
    // Use c here
    (void) c;
}

auto main() -> int
{
    int x[42];
    std::array<int, 43> y;
    foo( x );
    foo( y );
}

About the choice of return type for static_n_items: this code doesn't use std::integral_constant because with std::integral_constant the result is represented directly as a constexpr value, reintroducing the original problem. Instead of a Size_carrier class one can let the function directly return a reference to an array. However, not everybody is familiar with that syntax.

About the naming: part of this solution to the constexpr-invalid-due-to-reference problem is to make the choice of compile time constant explicit.

Hopefully the oops-there-was-a-reference-involved-in-your-constexpr issue will be fixed with C++17, but until then a macro like the STATIC_N_ITEMS above yields portability, e.g. to the clang and Visual C++ compilers, retaining type safety.

Related: macros do not respect scopes, so to avoid name collisions it can be a good idea to use a name prefix, e.g. MYLIB_STATIC_N_ITEMS.

IF is a PL/SQL construct. If you are executing a query, you are using SQL not PL/SQL.

In SQL, you can use a CASE statement in the query itself

SELECT DISTINCT a.item, 
                (CASE WHEN b.salesman = 'VIKKIE'
                      THEN 'ICKY'
                      ELSE b.salesman
                  END), 
                NVL(a.manufacturer,'Not Set') Manufacturer
  FROM inv_items a, 
       arv_sales b
 WHERE  a.co = '100'
   AND a.co = b.co
   AND A.ITEM_KEY = b.item_key   
   AND a.item LIKE 'BX%'
   AND b.salesman in ('01','15')
   AND trans_date BETWEEN to_date('010113','mmddrr')
                      and to_date('011713','mmddrr')
ORDER BY a.item

Since you aren't doing any aggregation, you don't want a GROUP BY in your query. Are you really sure that you need the DISTINCT? People often throw that in haphazardly or add it when they are missing a join condition rather than considering whether it is really necessary to do the extra work to identify and remove duplicates.

If you've already pushed things to a remote server (and you have other developers working off the same remote branch) the important thing to bear in mind is that you don't want to rewrite history

Don't use git reset --hard

You need to revert changes, otherwise any checkout that has the removed commits in its history will add them back to the remote repository the next time they push; and any other checkout will pull them in on the next pull thereafter.

If you have not pushed changes to a remote, you can use

git reset --hard <hash>

If you have pushed changes, but are sure nobody has pulled them you can use

git reset --hard
git push -f

If you have pushed changes, and someone has pulled them into their checkout you can still do it but the other team-member/checkout would need to collaborate:

(you) git reset --hard <hash>
(you) git push -f

(them) git fetch
(them) git reset --hard origin/branch

But generally speaking that's turning into a mess. So, reverting:

The commits to remove are the lastest

This is possibly the most common case, you've done something - you've pushed them out and then realized they shouldn't exist.

First you need to identify the commit to which you want to go back to, you can do that with:

git log

just look for the commit before your changes, and note the commit hash. you can limit the log to the most resent commits using the -n flag: git log -n 5

Then reset your branch to the state you want your other developers to see:

git revert  <hash of first borked commit>..HEAD

The final step is to create your own local branch reapplying your reverted changes:

git branch my-new-branch
git checkout my-new-branch
git revert <hash of each revert commit> .

Continue working in my-new-branch until you're done, then merge it in to your main development branch.

The commits to remove are intermingled with other commits

If the commits you want to revert are not all together, it's probably easiest to revert them individually. Again using git log find the commits you want to remove and then:

git revert <hash>
git revert <another hash>
..

Then, again, create your branch for continuing your work:

git branch my-new-branch
git checkout my-new-branch
git revert <hash of each revert commit> .

Then again, hack away and merge in when you're done.

You should end up with a commit history which looks like this on my-new-branch

2012-05-28 10:11 AD7six             o [my-new-branch] Revert "Revert "another mistake""
2012-05-28 10:11 AD7six             o Revert "Revert "committing a mistake""
2012-05-28 10:09 AD7six             o [master] Revert "committing a mistake"
2012-05-28 10:09 AD7six             o Revert "another mistake"
2012-05-28 10:08 AD7six             o another mistake
2012-05-28 10:08 AD7six             o committing a mistake
2012-05-28 10:05 Bob                I XYZ nearly works

Better way®

Especially that now that you're aware of the dangers of several developers working in the same branch, consider using feature branches always for your work. All that means is working in a branch until something is finished, and only then merge it to your main branch. Also consider using tools such as git-flow to automate branch creation in a consistent way.

Install Mylyn connector for GitHub from this update site, it provides great integration: you can directly import your repositories using Import > Projects from Git > GitHub. You can set the default repository folder in Preferences > Git.

sum = sum.add(BigInteger.valueOf(i))

The BigInteger class is immutable, hence you can't change its state. So calling "add" creates a new BigInteger, rather than modifying the current.

I struggled with this problem the past few days.

I suggest reading Scott Guthrie's blog post Recipe: Enabling Windows Authentication within an Intranet ASP.NET Web application

For me the problem was that although I had Windows Authentication enabled in IIS and I had <authentication mode="Windows" /> in the <system.web> section of web.config, I was not preventing anonymous access. This last part was the key. You need to prevent anonymous access to ensure that the browser sends the credentials.

You can either configure IIS in Control Panel so that your site (or machine) uses Windows authentication and denies anonymous access or you can add the following to your web.config in the system.web section:

<authentication mode="Windows" />

<authorization>
   <deny users="?"/>
</authorization>

private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
    {
           int rowIndex = e.RowIndex; // Get the order of the current row 
            DataGridViewRow row = dataGridView1.Rows[rowIndex];//Store the value of the current row in a variable
            MessageBox.Show(row.Cells[rowIndex].Value.ToString());//show message for current row
    }

the simplest solution is.....open your website in vs2013 and go to Debug->WebsiteProperties (last option) a new window will open..

in this window go to "Build" option and change .net framework version from 4.5 to 4.0.....then select ok. [note: this step will only work if your project does not have dependencies with vs2013...]

Now open your website in vs2010

Strings & VARCHAR.

• Do not try storing phone numbers as actual numbers. it will ruin the formatting, remove preceding 0s and other undesirable things.

• You may, if you choose to, restrict user inputs to just numeric values but even in that case, keep your backing persisted data as characters/strings and not numbers.

• Be aware of the wider world and how their number lengths and formatting differ before you try to implement any sort of length restrictions, validations or masks (eg XXX-XXXX-XX).

• Non numeric characters can be valid in phone numbers. A prime example being + as a replacement for 00 at the start of an international number.

Edited in from conversation in comments:

• It is one of the bigger UI mistakes that phone numbers have anything to do with numerics. It is much better to think of and treat them like addresses, it is closer to what they actually are and represent than phone "numbers".

This is just a sample code, but it may help you get on your way:

Public Sub testIt()
    Workbooks("Workbook2").Activate
    ActiveWorkbook.Sheets("Sheet2").Activate
    ActiveSheet.Range("B3").Select
    ActiveCell.EntireRow.Insert
End Sub

I am assuming that you can open the book (called Workbook2 in the example).

I think (but I'm not sure) you can squash all this in a single line of code:

    Workbooks("Workbook2").Sheets("Sheet2").Range("B3").EntireRow.Insert

This way you won't need to activate the workbook (or sheet or cell)... Obviously, the book has to be open.

To change the package name from com.myapp to: com.mycompany.myapp (for example),

1. For iOS app of the react app, use xcode - under general.
2. For the android app, open the build.gradle at module level. The one in the android/app folder. You will find

// ...
defaultConfig {
     applicationId com.myapp
     // ...
}
// ...

Change the com.myapp to whatever you need.

Hope this helps.

I think that you are looking for something like this:

   function rightclick() {
    var rightclick;
    var e = window.event;
    if (e.which) rightclick = (e.which == 3);
    else if (e.button) rightclick = (e.button == 2);
    alert(rightclick); // true or false, you can trap right click here by if comparison
}

(http://www.quirksmode.org/js/events_properties.html)

And then use the onmousedown even with the function rightclick() (if you want to use it globally on whole page you can do this <body onmousedown=rightclick(); >

when you add context:component-scan for the first time in an xml, the following needs to be added.

xmlns:context="http://www.springframework.org/schema/context"

xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

bmleite has the correct answer about including the module.

If that is correct in your situation, you should also ensure that you are not redefining the modules in multiple files.

Remember:

angular.module('ModuleName', [])   // creates a module.

angular.module('ModuleName')       // gets you a pre-existing module.

So if you are extending a existing module, remember not to overwrite when trying to fetch it.

by using property css:

background-size: cover;

I spent a lot of time trying different answers all around the internet, and I suspect the reasons why one thing works for some people and not for others is due to very small weird differences in application. For context, I needed to read in file names from a csv file that had strange and/or unmappable unicode characters and write them to a new csv file. For what it's worth, here's what worked for me:

s = '\u00e7\u00a3\u0085\u00e5\u008d\u0095' # csv freaks if you try to write this
s = repr(s.encode('utf-8', 'ignore'))[2:-1]

Yes, of course :)

Take a look at these libraries which help you Never write shell scripts again (Plumbum's motto).

• Plumbum
• Sarge
• sh

Also, if you want to replace awk, sed and grep with something Python based then I recommend pyp -

"The Pyed Piper", or pyp, is a linux command line text manipulation tool similar to awk or sed, but which uses standard python string and list methods as well as custom functions evolved to generate fast results in an intense production environment.

The JMockit project site contains plenty of comparative information for current mocking toolkits.

In particular, check out the feature comparison matrix, which covers EasyMock, jMock, Mockito, Unitils Mock, PowerMock, and of course JMockit. I try to keep it accurate and up-to-date, as much as possible.

I share my solution:

read word

for char in $(grep -o . <<<"$word") ; do
    echo $char
done

Here's another way of doing the code above using the openpyxl module that's compatible with xlsx. From what I've seen so far, it also keeps formatting.

from openpyxl import load_workbook
wb = load_workbook('names.xlsx')
ws = wb['SheetName']
ws['A1'] = 'A1'
wb.save('names.xlsx')

In my case, I had to add using System.Data.Entity;

Lodash has a chunk method built-in now which I personally use: https://lodash.com/docs#chunk

Based on this, controller code might look like the following:

$scope.groupedUsers = _.chunk( $scope.users, 3 )

View code:

<div class="row" ng-repeat="rows in groupedUsers">
  <div class="span4" ng-repeat="item in rows">{{item}}</div>
</div>

homebrew Installer

Assuming you installed PostgreSQL with homebrew as referenced in check status of postgresql server Mac OS X and how to start postgresql server on mac os x: you can use the brew uninstall postgresql command.

EnterpriseDB Installer

If you used the EnterpriseDB installer then see the other answer in this thread.

The EnterpriseDB installer is what you get if you follow "download" links from the main Postgres web site. The Postgres team releases only source code, so the EnterpriseDB.com company builds installers as a courtesy to the community.

Postgres.app

You may have also used Postgres.app.

This double-clickable Mac app contains the Postgres engine.

Don't worry about efficiency: make your code readable and maintainable. I doubt the difference between these methods is going to matter in your program.

Try this if you must use switch.

public static int range(int num){ 
    if ( 10 < num && num < 20)
        return 1;
    if ( 20 <= num && num < 30)
        return 2;
    return 3;
}

public static final int TEN_TWENTY = 1;
public static final int TWENTY_THIRTY = 2;

public static void main(String[]args){
    int a = 110;
    switch (range(a)){
        case TEN_TWENTY: 
            System.out.println("10-20"); 
            break;
        case TWENTY_THIRTY: 
            System.out.println("20-30"); 
            break;
        default: break;
    }
}

If it is Rails 5, because of new hash notation: params.permit(:name, groundtruth: [:type, coordinates:[]]) will work fine.

List<T>.Insert(0, item);

If someone doesn't want to override default Control Template then here is the solution.

You can create DataTemplate for button which can have TextBlock and then you can write Property trigger on IsMouseOver property to disable mouse over effect. Height of TextBlock and Button should be same.

<Button Background="Black" Margin="0" Padding="0" BorderThickness="0" Cursor="Hand" Height="20">
    <Button.ContentTemplate>
        <DataTemplate>
            <TextBlock Text="GO" Foreground="White" HorizontalAlignment="Center" VerticalAlignment="Center" TextDecorations="Underline" Margin="0" Padding="0" Height="20">
                <TextBlock.Style>
                    <Style TargetType="TextBlock">
                        <Style.Triggers>
                            <Trigger Property ="IsMouseOver" Value="True">
                                <Setter Property= "Background" Value="Black"/>
                            </Trigger>
                        </Style.Triggers>
                    </Style>
                </TextBlock.Style>
            </TextBlock>
        </DataTemplate>
    </Button.ContentTemplate>
</Button>

You have a lot of variants for using @RequestParam with additional optional elements, e.g.

@RequestParam(required = false, defaultValue = "someValue", value="someAttr") String someAttr

If you don't put required = false - param will be required by default.

defaultValue = "someValue" - the default value to use as a fallback when the request parameter is not provided or has an empty value.

If request and method param are the same - you don't need value = "someAttr"

I realize this question is fairly old, but wanted to share a quick demo of group transforms, paths/shapes, and relative positioning, for anyone else who found their way here looking for more info:

http://bl.ocks.org/dustinlarimer/6050773

moving element top: -12px or positioning it absolutely doesn't solve the problem but only masks it

I had the same problem - check if you have in one wrapping element mixed: floating elements with non-floating ones - my non-floating element caused this strange offset to the floating one

You can use following code

  DirectoryInfo di = Directory.CreateDirectory(path);

I noticed that none of these answers mention the .Offset Property. This also can be used to avoid using the Select action when manipulating certain cells, particularly in reference to a selected cell (as the OP mentions with ActiveCell).

Here are a couple examples.

I will also assume the "ActiveCell" is J4.

ActiveCell.Offset(2, 0).Value = 12

• This will change the cell J6 to be a value of 12
• A minus -2 would have referenced J2

ActiveCell.Offset(0,1).Copy ActiveCell.Offset(,2)

• This will copy the cell in k4 to L4.
• Note that "0" is not needed in the offset parameter if not needed (,2)
• Similar to the previous example a minus 1 would be i4

ActiveCell.Offset(, -1).EntireColumn.ClearContents

• This will clear values in all cells in the column k.

These aren't to say they are "better" than the above options, but just listing alternatives.

If you want to get unix timestamp, then you need to use:

timestamp=$(date +%s)

%T will give you just the time; same as %H:%M:%S (via http://www.cyberciti.biz/faq/linux-unix-formatting-dates-for-display/)

You're doing nothing wrong! You've changed the directory, but only within the subshell that runs the script.

You can run the script in your current process with the "dot" command:

. proj

But I'd prefer Greg's suggestion to use an alias in this simple case.

1. we can call a stored procedure inside stored Procedure,Function within function ,StoredProcedure within function but we can not call function within stored procedure.
2. we can call function inside select statement.
3. We can return value from function without passing output parameter as a parameter to the stored procedure.

This is what the difference i found. Please let me know if any .

private static string[] GetMergedArray(string[] originalArray, string[] newArray)
    {
        int startIndexForNewArray = originalArray.Length;
        Array.Resize<string>(ref originalArray, originalArray.Length + newArray.Length);
        newArray.CopyTo(originalArray, startIndexForNewArray);
        return originalArray;
    }

Plese try this:

var sizeInKB = input.files[0].size/1024; //Normally files are in bytes but for KB divide by 1024 and so on
var sizeLimit= 30;

if (sizeInKB >= sizeLimit) {
    alert("Max file size 30KB");
    return false;
}

I'd suggest looking into fetch. It is the ES5 equivalent and uses Promises. It is much more readable and easily customizable.

const url = "https://stackoverflow.com";
fetch(url)
    .then(
        response => response.text() // .json(), etc.
        // same as function(response) {return response.text();}
    ).then(
        html => console.log(html)
    );

In Node.js, you'll need to import fetch using:

const fetch = require("node-fetch");

If you want to use it synchronously (doesn't work in top scope):

const json = await fetch(url)
  .then(response => response.json())
  .catch((e) => {});

More Info:

Mozilla Documentation

Can I Use (95% Feb 2020)

Matt Walsh Tutorial

The input date value format needs the date specified as per http://tools.ietf.org/html/rfc3339#section-5.6 full-date.

So I've ended up doing:

<input type="date" id="last-start-date" value="@string.Format("{0:yyyy-MM-dd}", Model.LastStartDate)" />

I did try doing it "properly" using:

[DataType(DataType.Date)]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:yyyy-MM-dd}")]
public DateTime LastStartDate
{
    get { return lastStartDate; }
    set { lastStartDate = value; }
}

with

@Html.TextBoxFor(model => model.LastStartDate, 
    new { type = "date" })

Unfortunately that always seemed to set the value attribute of the input to a standard date time so I've ended up applying the formatting directly as above.

Edit:

According to Jorn if you use

@Html.EditorFor(model => model.LastStartDate)

instead of TextBoxFor it all works fine.

Use this code, it is working perfectly. I have create a sql function that accept two parameters, the first param is the long string that we want to search into it,and it can accept string length up to 1500 character(of course you can extend it or even change it to text datatype). And the second parameter is the substring that we want to calculate the number of its occurance(its length is up to 200 character, of course you can change it to what your need). and the output is an integer, represent the number of frequency.....enjoy it.

CREATE FUNCTION [dbo].[GetSubstringCount]
(
  @InputString nvarchar(1500),
  @SubString NVARCHAR(200)
)
RETURNS int
AS
BEGIN 
        declare @K int , @StrLen int , @Count int , @SubStrLen int 
        set @SubStrLen = (select len(@SubString))
        set @Count = 0
        Set @k = 1
        set @StrLen =(select len(@InputString))
    While @K <= @StrLen
        Begin
            if ((select substring(@InputString, @K, @SubStrLen)) = @SubString)
                begin
                    if ((select CHARINDEX(@SubString ,@InputString)) > 0)
                        begin
                        set @Count = @Count +1
                        end
                end
                                Set @K=@k+1
        end
        return @Count
end

No. Unlike other virtual methods, where you would explicitly call the Base method from the Derived to 'chain' the call, the compiler generates code to call the destructors in the reverse order in which their constructors were called.