Programs & Examples On #Contactgroups

Define a constructor in the abstract class which sets the field so that the concrete implementations are per the specification required to call/override the constructor.

E.g.

public abstract class AbstractTable {
    protected String name;

    public AbstractTable(String name) {
        this.name = name;
    }
}

When you extend AbstractTable, the class won't compile until you add a constructor which calls super("somename").

public class ConcreteTable extends AbstractTable {
    private static final String NAME = "concreteTable";

    public ConcreteTable() {
        super(NAME);
    }
}

This way the implementors are required to set name. This way you can also do (null)checks in the constructor of the abstract class to make it more robust. E.g:

public AbstractTable(String name) {
    if (name == null) throw new NullPointerException("Name may not be null");
    this.name = name;
}

What about :

List myList = new ArrayList(); 
String[] myStringArray = new String[] {"Java", "is", "Cool"}; 

Collections.addAll(myList, myStringArray); 

This displays list of unique users:

SELECT DISTINCT User FROM mysql.user;

There are a few ways to do this; none of them are the easy, obvious way.

Applying white-space:nowrap to a <col> won't work; only four CSS properties work on <col> elements - background-color, width, border, and visibility. IE7 and earlier used to support all properties, but that's because they used a strange table model. IE8 now matches everyone else.

So, how do you solve this?

Well, if you can ignore IE (including IE8), you can use the :nth-child() pseudoclass to select particular <td>s from each row. You'd use td:nth-child(2) { white-space:nowrap; }. (This works for this example, but would break if you had any rowspans or colspans involved.)

If you have to support IE, then you've got to go the long way around and apply a class to every <td> that you want to affect. It sucks, but them's the breaks.

In the long run, there are proposals to fix this lack in CSS, so that you can more easily apply styles to all the cells in a column. You'll be able to do something like td:nth-col(2) { white-space:nowrap; } and it would do what you want.

     foreach (DataRow row in dt.Rows) 
     {
        foreach (DataColumn col in dt.Columns)
           Console.WriteLine(row[col]);
     }

Here's a pretty generic, native implementation, that I wrote some time ago,

// ABC - a generic, native JS (A)scii(B)inary(C)onverter.
// (c) 2013 Stephan Schmitz <[email protected]>
// License: MIT, http://eyecatchup.mit-license.org
// URL: https://gist.github.com/eyecatchup/6742657
var ABC = {
  toAscii: function(bin) {
    return bin.replace(/\s*[01]{8}\s*/g, function(bin) {
      return String.fromCharCode(parseInt(bin, 2))
    })
  },
  toBinary: function(str, spaceSeparatedOctets) {
    return str.replace(/[\s\S]/g, function(str) {
      str = ABC.zeroPad(str.charCodeAt().toString(2));
      return !1 == spaceSeparatedOctets ? str : str + " "
    })
  },
  zeroPad: function(num) {
    return "00000000".slice(String(num).length) + num
  }
};

and to be used as follows:

var binary1      = "01100110011001010110010101101100011010010110111001100111001000000110110001110101011000110110101101111001",
    binary2      = "01100110 01100101 01100101 01101100 01101001 01101110 01100111 00100000 01101100 01110101 01100011 01101011 01111001",
    binary1Ascii = ABC.toAscii(binary1),
    binary2Ascii = ABC.toAscii(binary2);

console.log("Binary 1:                   " + binary1);
console.log("Binary 1 to ASCII:          " + binary1Ascii);
console.log("Binary 2:                   " + binary2);
console.log("Binary 2 to ASCII:          " + binary2Ascii);
console.log("Ascii to Binary:            " + ABC.toBinary(binary1Ascii));     // default: space-separated octets
console.log("Ascii to Binary /wo spaces: " + ABC.toBinary(binary1Ascii, 0));  // 2nd parameter false to not space-separate octets

Source is on Github (gist): https://gist.github.com/eyecatchup/6742657

Hope it helps. Feel free to use for whatever you want (well, at least for whatever MIT permits).

You can get a list of the first element in each tuple using a list comprehension:

>>> my_tuples = [(1, 2, 3), ('a', 'b', 'c', 'd', 'e'), (True, False), 'qwerty']
>>> first_elts = [x[0] for x in my_tuples]
>>> first_elts
[1, 'a', True, 'q']

The answer to this is not helpful. as its only works when you use up/down keys, but if you type -11 it will not work. So here is a small fix that I use

this one for integers

  $(".integer").live("keypress keyup", function (event) {
    //    console.log('int = '+$(this).val());
    $(this).val($(this).val().replace(/[^\d].+/, ""));
    if (event.which != 8 && (event.which < 48 || event.which > 57))
    {
        event.preventDefault();
    }
   });

this one when you have numbers of price

        $(".numeric, .price").live("keypress keyup", function (event) {
     //    console.log('numeric = '+$(this).val());
    $(this).val($(this).val().replace(/[^0-9\,\.]/g, ''));

    if (event.which != 8 && (event.which != 44 || $(this).val().indexOf(',') != -1) && (event.which < 48 || event.which > 57)) {
        event.preventDefault();
    }
   });

If in the connection string you have specified:

User ID=xxx;Password=yyy

but in the connection string there is:

Trusted_Connection=true;

SQL Server will use Windows Authentication, so your connection values will be ignored and overridden (IIS will use the Windows account specified in Identity user profile). more info here

The same applies if in the connection string there is:

 Integrated Security = true;

or

 Integrated Security = SSPI;

because Windows Authentication will be used to connect to the database server. more info here

The most contextual description of JavaScript's Automatic Semicolon Insertion I have found comes from a book about Crafting Interpreters.

JavaScript’s “automatic semicolon insertion” rule is the odd one. Where other languages assume most newlines are meaningful and only a few should be ignored in multi-line statements, JS assumes the opposite. It treats all of your newlines as meaningless whitespace unless it encounters a parse error. If it does, it goes back and tries turning the previous newline into a semicolon to get something grammatically valid.

He goes on to describe it as you would code smell.

This design note would turn into a design diatribe if I went into complete detail about how that even works, much less all the various ways that that is a bad idea. It’s a mess. JavaScript is the only language I know where many style guides demand explicit semicolons after every statement even though the language theoretically lets you elide them.

This worked for me:

If you wrote your Serialized class object into a file, then made some changes to file and compiled it, and then you try to read an object, then this will happen.

So, write the necessary objects to file again if a class is modified and recompiled.

PS: This is NOT a solution; was meant to be a workaround.

The important thing of table-layout: fixed is that the column widths are determined by the first row of the table.

So

if your table structure is as follow (standard table structure)

<table>
  <thead>
      <tr>
          <th> First column </th>
          <th> Second column </th>
          <th> Third column </th>        
      </tr>
  </thead>

   <tbody>
      <tr>
          <td> First column </td>
          <td> Second column </td>
          <td> Third column </td>        
      </tr>
  </tbody>

if you would like to give a width to second column then

<style> 
    table{
        table-layout:fixed;
        width: 100%;
    }

    table tr th:nth-child(2){
       width: 60%;
     }

</style>

Please look that we style the th not the td.

I wanted to comment, but since my reputation won't qualify for commenting, it had to be an answer. Github will actually let you not only cancel a pull request, but also delete it by simply deleting the fork you are trying to push. Hope this may help some others googling this.

Normally, Spring should do the autowiring, as long as your abstract class is in the base-package provided for component scan.

See this and this for further reference.

@Service and @Component are both stereotypes that creates beans of the annotated type inside the Spring container. As Spring Docs state,

This annotation serves as a specialization of @Component, allowing for implementation classes to be autodetected through classpath scanning.

I resolved this issue by adding jackson-json data binding to my pom.

<dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.6.3</version>
</dependency>

--> (Absence of load-on-start-up) tag First of all when ever servlet is deployed in the server, It is the responsibility of the server to creates the servlet object. Eg: Suppose Servlet is deployed in the server ,(Servlet Object is not available in server) client sends the request to the servlet for the first time then server creates the servlet object with help of default constructor and immediately calls init() . From that when ever client sends the request only service method will get executed as object is already available

If load-on-start-up tag is used in deployment descriptor: At the time of deployment itself the server creates the servlet object for the servlets based on the positive value provided in between the tags. The Creation of objects for the servlet classes will follow from 0-128 0 number servlet will be created first and followed by other numbers.

If we provide same value for two servlets in web.xml then creation of objects will be done based on the position of classes in web.xml also varies from server to server.

If we provide negative value in between the load on start up tag then server wont create the servlet object.

Other Scenarios where server creates the object for servlet.

If we dont use load on start up tag in web.xml, then project is deployed when ever client sends the request for the first time server creates the object and server is responsible for calling its life cycle methods. Then if a .class is been modified in the server(tomcat). again client sends the request for modified servlet but in case of tomcat new object will not created and server make use of existing object unless restart of server takes place. But in class of web-logic when ever .class file is modified in the server with out restarting the server if it receives a request then server calls the destroy method on existing servlet and creates a new servlet object and calls init() for its initilization.

A cleaner alternative would be to use a Dictionary to handle parameters. They are key-value pairs after all.

private static readonly HttpClient httpclient;

static MyClassName()
{
    // HttpClient is intended to be instantiated once and re-used throughout the life of an application. 
    // Instantiating an HttpClient class for every request will exhaust the number of sockets available under heavy loads. 
    // This will result in SocketException errors.
    // https://docs.microsoft.com/en-us/dotnet/api/system.net.http.httpclient?view=netframework-4.7.1
    httpclient = new HttpClient();    
} 

var url = "http://myserver/method";
var parameters = new Dictionary<string, string> { { "param1", "1" }, { "param2", "2" } };
var encodedContent = new FormUrlEncodedContent (parameters);

var response = await httpclient.PostAsync (url, encodedContent).ConfigureAwait (false);
if (response.StatusCode == HttpStatusCode.OK) {
    // Do something with response. Example get content:
    // var responseContent = await response.Content.ReadAsStringAsync ().ConfigureAwait (false);
}

Also dont forget to Dispose() httpclient, if you dont use the keyword using

As stated in the Remarks section of the HttpClient class in the Microsoft docs, HttpClient should be instantiated once and re-used.

Edit:

You may want to look into response.EnsureSuccessStatusCode(); instead of if (response.StatusCode == HttpStatusCode.OK).

You may want to keep your httpclient and dont Dispose() it. See: Do HttpClient and HttpClientHandler have to be disposed?

Edit:

Do not worry about using .ConfigureAwait(false) in .NET Core. For more details look at https://blog.stephencleary.com/2017/03/aspnetcore-synchronization-context.html

I think this should work.

change_column :table_name, :column_name, :date

You can try to use the support library function called of ContextCompat.getExternalFilesDirs() :

      final File[] appsDir=ContextCompat.getExternalFilesDirs(getActivity(),null);
      final ArrayList<File> extRootPaths=new ArrayList<>();
      for(final File file : appsDir)
        extRootPaths.add(file.getParentFile().getParentFile().getParentFile().getParentFile());

The first one is the primary external storage, and the rest are supposed to be real SD-cards paths.

The reason for the multiple ".getParentFile()" is to go up another folder, since the original path is

.../Android/data/YOUR_APP_PACKAGE_NAME/files/

EDIT: here's a more comprehensive way I've created, to get the sd-cards paths:

  /**
   * returns a list of all available sd cards paths, or null if not found.
   *
   * @param includePrimaryExternalStorage set to true if you wish to also include the path of the primary external storage
   */
  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  public static List<String> getSdCardPaths(final Context context, final boolean includePrimaryExternalStorage)
    {
    final File[] externalCacheDirs=ContextCompat.getExternalCacheDirs(context);
    if(externalCacheDirs==null||externalCacheDirs.length==0)
      return null;
    if(externalCacheDirs.length==1)
      {
      if(externalCacheDirs[0]==null)
        return null;
      final String storageState=EnvironmentCompat.getStorageState(externalCacheDirs[0]);
      if(!Environment.MEDIA_MOUNTED.equals(storageState))
        return null;
      if(!includePrimaryExternalStorage&&VERSION.SDK_INT>=VERSION_CODES.HONEYCOMB&&Environment.isExternalStorageEmulated())
        return null;
      }
    final List<String> result=new ArrayList<>();
    if(includePrimaryExternalStorage||externalCacheDirs.length==1)
      result.add(getRootOfInnerSdCardFolder(externalCacheDirs[0]));
    for(int i=1;i<externalCacheDirs.length;++i)
      {
      final File file=externalCacheDirs[i];
      if(file==null)
        continue;
      final String storageState=EnvironmentCompat.getStorageState(file);
      if(Environment.MEDIA_MOUNTED.equals(storageState))
        result.add(getRootOfInnerSdCardFolder(externalCacheDirs[i]));
      }
    if(result.isEmpty())
      return null;
    return result;
    }

  /** Given any file/folder inside an sd card, this will return the path of the sd card */
  private static String getRootOfInnerSdCardFolder(File file)
    {
    if(file==null)
      return null;
    final long totalSpace=file.getTotalSpace();
    while(true)
      {
      final File parentFile=file.getParentFile();
      if(parentFile==null||parentFile.getTotalSpace()!=totalSpace||!parentFile.canRead())
        return file.getAbsolutePath();
      file=parentFile;
      }
    }

You can get value by using id for that element in onclick function

function dosomething(){
     var buttonValue = document.getElementById('buttonId').value;
}

This probably works for a lot of things but it's not enough for Maven and certainly not for the maven compiler plugin.

Check Mike's answer to his own question here: stackoverflow question 24705877

This solved the issue for me both command line AND within eclipse.

Also, @LinGao answer to stackoverflow question 2503658 and the use of the $JAVACMD variable might help but I haven't tested it myself.

This is an example from real life work, I was asked to supply a list of users that bought from our site in the last 6 months but not in the last 3 months.

For me, the most understandable way I can think of is like so:

--Users that bought from us 6 months ago and between 3 months ago.
DECLARE @6To3MonthsUsers table (UserID int,OrderDate datetime)
INSERT @6To3MonthsUsers
    select u.ID,opd.OrderDate
        from OrdersPaid opd
        inner join Orders o
        on opd.OrderID = o.ID
        inner join Users u
        on o.BuyerID = u.ID
        where 1=1 
        and opd.OrderDate BETWEEN DATEADD(m,-6,GETDATE()) and DATEADD(m,-3,GETDATE())

--Users that bought from us in the last 3 months
DECLARE @Last3MonthsUsers table (UserID int,OrderDate datetime)
INSERT @Last3MonthsUsers
    select u.ID,opd.OrderDate
        from OrdersPaid opd
        inner join Orders o
        on opd.OrderID = o.ID
        inner join Users u
        on o.BuyerID = u.ID
        where 1=1 
        and opd.OrderDate BETWEEN DATEADD(m,-3,GETDATE()) and GETDATE()

Now, with these 2 tables in my hands I need to get only the users from the table @6To3MonthsUsers that are not in @Last3MonthsUsers table.

There are 2 simple ways to achieve that:

1. Using Left Join:

   select distinct a.UserID
   from @6To3MonthsUsers a
   left join @Last3MonthsUsers b
   on a.UserID = b.UserID
   where b.UserID is null
   

2. Not in:

   select distinct a.UserID
   from @6To3MonthsUsers a
   where a.UserID not in (select b.UserID from @Last3MonthsUsers b)
   

Both ways will get me the same result, I personally prefer the second way because it's more readable.

See full gist here and live example here.

#hero { width:100%;height:100%;background:url('{$img_ps_dir}cms/how-it-works/hero.jpg') no-repeat top center; }
.videoWrapper { position:relative;padding-bottom:56.25%;padding-top:25px;max-width:100%; }

<div id="hero">
    <div class="container">
        <div class="row-fluid">
            <script src="https://www.youtube.com/iframe_api"></script>
            <center>
            <div class="videoWrapper">
                 <div id="player"></div>
            </div>
            </center>
            <script>
            function onYouTubeIframeAPIReady() { 
                player = new YT.Player('player', {
                   videoId:'xxxxxxxxxxx',playerVars: {  controls:0,autoplay:0,disablekb:1,enablejsapi:1,iv_load_policy:3,modestbranding:1,showinfo:0,rel:0,theme:'light' }
                } );
                resizeHeroVideo();
             }
             </script>
        </div>
    </div>
</div>

var player = null;
$( document ).ready(function() {
    resizeHeroVideo();
} );

$(window).resize(function() {
    resizeHeroVideo();
});

function resizeHeroVideo() {
    var content = $('#hero');
    var contentH = viewportSize.getHeight();
    contentH -= 158;
    content.css('height',contentH);

    if(player != null) {
        var iframe = $('.videoWrapper iframe');
        var iframeH = contentH - 150;
        if (isMobile) {
            iframeH = 163; 
        }
        iframe.css('height',iframeH);
        var iframeW = iframeH/9 * 16;
        iframe.css('width',iframeW);
    }
}

resizeHeroVideo is called only after the Youtube player has fully loaded (on page load does not work), and whenever the browser window is resized. When it runs, it calculates the height and width of the iframe and assigns the appropriate values maintaining the correct aspect ratio. This works whether the window is resized horizontally or vertically.

I ported Kris's above answer to JavaScript. After trying numerous different answers, his provided the correct points. I thought I was going crazy that I wasn't getting the points I needed.

function getLineLineCollision(p0, p1, p2, p3) {
    var s1, s2;
    s1 = {x: p1.x - p0.x, y: p1.y - p0.y};
    s2 = {x: p3.x - p2.x, y: p3.y - p2.y};

    var s10_x = p1.x - p0.x;
    var s10_y = p1.y - p0.y;
    var s32_x = p3.x - p2.x;
    var s32_y = p3.y - p2.y;

    var denom = s10_x * s32_y - s32_x * s10_y;

    if(denom == 0) {
        return false;
    }

    var denom_positive = denom > 0;

    var s02_x = p0.x - p2.x;
    var s02_y = p0.y - p2.y;

    var s_numer = s10_x * s02_y - s10_y * s02_x;

    if((s_numer < 0) == denom_positive) {
        return false;
    }

    var t_numer = s32_x * s02_y - s32_y * s02_x;

    if((t_numer < 0) == denom_positive) {
        return false;
    }

    if((s_numer > denom) == denom_positive || (t_numer > denom) == denom_positive) {
        return false;
    }

    var t = t_numer / denom;

    var p = {x: p0.x + (t * s10_x), y: p0.y + (t * s10_y)};
    return p;
}

For tab separated values the code below can be used

sort -t$'\t' -k2 -n

-r can be used for getting data in descending order.
-n for numerical sort
-k, --key=POS1[,POS2] where k is column in file
For descending order below is the code

sort -t$'\t' -k2 -rn

Its Got simpler with Android Studio All you need is to first choose

1. import project(eclipse.....)
2. then choose your folder eclipse based project.like this one below

3.based on the type of project and library you used like (ActionBarSherlock) you may prompted special import wizard so go ahead and click next then finish. in this case it was simple one

4.And you are done.

but sometimes the debug or Run options do not work and a error msg shows like

"this project structure is not gradle based or migrate it to gradle"

something to solve this close the opened eclipse project and reopen same project through the same process as we did before with import project (eclipse adt,gradle,etc)) this time android studio gonna add all necessary gradle files and green debug option will work too. i have did this somehow accidentally but it worked, i just hope it works for you too.

try clear caches and then hard reload, i had same error but when i tried to run on incognito browser in chrome it worked.

jQuery processes the data attribute and converts the values into strings.

Adding processData: false to your options object fixes the error, but I'm not sure if it fixes the problem.

Demo: http://jsfiddle.net/eHmSr/1/

switch to the boto-* directory and type python setup.py install.

Add a class:

.com_box:after {
     content: '';
    position: absolute;
    left: 18px;
    top: 50px;
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 20px solid #000;
    clear: both;

}

Updated your jsfiddle: http://jsfiddle.net/wrm4y8k6/8/

You got an extra } to many as seen below:

var nav = document.getElementsByClassName('nav-coll');
for (var i = 0; i < button.length; i++) {
    nav[i].addEventListener('click',function(){
            console.log('haha');
        } // <-- REMOVE THIS :)
    }, false);
};

A very good tool for those things is jsFiddle. I have created a fiddle with your invalid code and when clicking the TidyUp button it formats your code which makes it clearer if there are any possible mistakes with missing braces.

DEMO - Your code in a fiddle, have a play :)

Unfortunately PL/SQL doesn't have IF EXISTS operator like SQL Server. But you can do something like this:

begin
  for x in ( select count(*) cnt
               from dual 
              where exists (
                select 1 from courseoffering co
                  join co_enrolment ce on ce.co_id = co.co_id
                 where ce.s_regno = 403 
                   and ce.coe_completionstatus = 'C' 
                   and co.c_id = 803 ) )
  loop
        if ( x.cnt = 1 ) 
        then
           dbms_output.put_line('exists');
        else 
           dbms_output.put_line('does not exist');
        end if;
  end loop;
end;
/

>>> import heapq
>>> d = {"c": 2, "b": 9, "a": 4, "d": 8}
>>> def iter_sorted(d):
        keys = list(d)
        heapq.heapify(keys) # Transforms to heap in O(N) time
        while keys:
            k = heapq.heappop(keys) # takes O(log n) time
            yield (k, d[k])


>>> i = iter_sorted(d)
>>> for x in i:
        print x


('a', 4)
('b', 9)
('c', 2)
('d', 8)

This method still has an O(N log N) sort, however, after a short linear heapify, it yields the items in sorted order as it goes, making it theoretically more efficient when you do not always need the whole list.

Given a local timezone, such as 'America/Denver', you can use DateTime class to convert UTC timestamp to the local date:

$timestamp = *********;
$date = new DateTime("@" . $timestamp);
$date->setTimezone(new DateTimeZone('America/Denver'));
echo $date->format('Y-m-d H:i:s');

I know this is a very old question but I want to add an answer I have come up with.

First you need a handler for your normal TextChanged event handler for the TextBox:

private bool InProg;
internal void TBTextChanged(object sender, TextChangedEventArgs e)
            {
            var change = e.Changes.FirstOrDefault();
            if ( !InProg )
                {
                InProg = true;
                var culture = new CultureInfo(CultureInfo.CurrentCulture.Name);
                var source = ( (TextBox)sender );
                    if ( ( ( change.AddedLength - change.RemovedLength ) > 0 || source.Text.Length > 0 ) && !DelKeyPressed )
                        {
                         if ( Files.Where(x => x.IndexOf(source.Text, StringComparison.CurrentCultureIgnoreCase) == 0 ).Count() > 0 )
                            {
                            var _appendtxt = Files.FirstOrDefault(ap => ( culture.CompareInfo.IndexOf(ap, source.Text, CompareOptions.IgnoreCase) == 0 ));
                            _appendtxt = _appendtxt.Remove(0, change.Offset + 1);
                            source.Text += _appendtxt;
                            source.SelectionStart = change.Offset + 1;
                            source.SelectionLength = source.Text.Length;
                            }
                        }
                InProg = false;
                }
            }

Then make a simple PreviewKeyDown handler:

    private static bool DelKeyPressed;
    internal static void DelPressed(object sender, KeyEventArgs e)
    { if ( e.Key == Key.Back ) { DelKeyPressed = true; } else { DelKeyPressed = false; } }

In this example "Files" is a list of directory names created on application startup.

Then just attach the handlers:

public class YourClass
  {
  public YourClass()
    {
    YourTextbox.PreviewKeyDown += DelPressed;
    YourTextbox.TextChanged += TBTextChanged;
    }
  }

With this whatever you choose to put in the List will be used for the autocomplete box. This may not be a great option if you expect to have an enormous list for the autocomplete but in my app it only ever sees 20-50 items so it cycles through very quick.

I guess this feature was added since the OP but for future reference errors that would output in the command window can be redirected to a file independent of the standard output

command 1> file - Write the standard output of command to file

command 2> file - Write the standard error of command to file

In Windows, first installed Python 3.7 and then Python 2.7. Then, use command prompt:

pip install python2-module-name

pip3 install python3-module-name

That's all

You can use

text.replace('old', 'new')

And to change multiple values in one string at once, for example to change # to string v and _ to string w:

text.replace(/#|_/g,function(match) {return (match=="#")? v: w;});

You should use Terms Query

{
    "query" : {
        "terms" : {
            "tags" : ["c", "d"]
        }
    }
}

Its worth mentioning that the default for an 'Any CPU' compile now checks the 'Prefer 32bit' check box. Being set to AnyCPU, on a 64bit OS with 16gb of RAM can still hit an out of memory exception at 2gb if this is checked.

P4 is the cell I test for:

=IF(ISBLANK(P4),1,0)

A function which works in both bash and zsh:

# Return the first pathname in $PATH for name in $1
function cmd_path () {
  if [[ $ZSH_VERSION ]]; then
    whence -cp "$1" 2> /dev/null
  else  # bash
     type -P "$1"  # No output if not in $PATH
  fi
}

Non-zero is returned if the command is not found in $PATH.

No answer so far mentions eu-strip --strip-debug -f <out.debug> <input>.

• This is provided by elfutils package.
• The result will be that <input> file has been stripped of debug symbols which are now all in <out.debug>.

You can access a string using [], as you do for arrays:

$stringLength = strlen($str);
for ($i = 0; $i < $stringLength; $i++)
    $char = $str[$i];

Yes its possible.adding c# and vb.net projects into a single solution.

step1: File->Add->Existing Project

Step2: Project->Add reference->dll or exe of project which u added before.

step3: In vb.net form where u want to use c# forms->import namespace of project.

Focus doesn't work on divs by default. But, according to this, you can make it work:

The focus event is sent to an element when it gains focus. This event is implicitly applicable to a limited set of elements, such as form elements (<input>, <select>, etc.) and links (<a href>). In recent browser versions, the event can be extended to include all element types by explicitly setting the element's tabindex property. An element can gain focus via keyboard commands, such as the Tab key, or by mouse clicks on the element.

http://api.jquery.com/focus/

Another option in case you don't wanna use a plugin:

Ctrl+` or

View -> Show Console

type on the console the following command:

view.encoding()

In case you want to something more intrusive, there's a option to create an shortcut that executes the following command:

sublime.message_dialog(view.encoding())

This could be the possible way in which you can directly use LINQ extension methods to check the in clause

var result = _db.Companies.Where(c => _db.CurrentSessionVariableDetails.Select(s => s.CompanyId).Contains(c.Id)).ToList();

In jQuery I mostly use:

$("#element").trigger("change");

I use this (DI):

public class IdentitySeed
{
    private readonly ApplicationDbContext _context;
    private readonly UserManager<ApplicationUser> _userManager;
    private readonly RoleManager<ApplicationRole> _rolesManager;
    private readonly ILogger _logger;

    public IdentitySeed(
        ApplicationDbContext context,
        UserManager<ApplicationUser> userManager,
        RoleManager<ApplicationRole> roleManager,
         ILoggerFactory loggerFactory) {
        _context = context;
        _userManager = userManager;
        _rolesManager = roleManager;
        _logger = loggerFactory.CreateLogger<IdentitySeed>();
    }

    public async Task CreateRoles() {
        if (await _context.Roles.AnyAsync()) {// not waste time
            _logger.LogInformation("Exists Roles.");
            return;
        }
        var adminRole = "Admin";
        var roleNames = new String[] { adminRole, "Manager", "Crew", "Guest", "Designer" };

        foreach (var roleName in roleNames) {
            var role = await _rolesManager.RoleExistsAsync(roleName);
            if (!role) {
                var result = await _rolesManager.CreateAsync(new ApplicationRole { Name = roleName });
                //
                _logger.LogInformation("Create {0}: {1}", roleName, result.Succeeded);
            }
        }
        // administrator
        var user = new ApplicationUser {
            UserName = "Administrator",
            Email = "[email protected]",
            EmailConfirmed = true
        };
        var i = await _userManager.FindByEmailAsync(user.Email);
        if (i == null) {
            var adminUser = await _userManager.CreateAsync(user, "Something*");
            if (adminUser.Succeeded) {
                await _userManager.AddToRoleAsync(user, adminRole);
                //
                _logger.LogInformation("Create {0}", user.UserName);
            }
        }
    }
    //! By: Luis Harvey Triana Vega
}

Just do this. It doesn't affect the horizontal position.

.test {
 position: fixed;
 left: 0;
 right: 0;
 }

Installing Ruby

Go to http://rubyinstaller.org/downloads/

Make sure that you check "Add ruby ... to your PATH".

Now you can use "ruby" in your "cmd".

If you installed ruby 1.9.3 I expect that the ruby is downloaded in C:\Ruby193.

Installing Gem

install Development Kit in rubyinstaller. Make new folder such as C:\RubyDevKit and unzip.

Go to the devkit directory and type ruby dk.rb init to generate config.yml.

If you installed devkit for 1.9.3, I expect that the config.yml will be written as C:\Ruby193.

If not, please correct path to your ruby folders.

After reviewing the config.yml, you can finally type ruby dk.rb install.

Now you can use "gem" in your "cmd". It's done!

You need to update the package list in your Ubuntu:

$ sudo apt-get update
$ sudo apt-get install <package_name>

null is an object. Its type is null. undefined is not an object; its type is undefined.

Given:

public enum PersonType {
    COOL_GUY(1),
    JERK(2);

    private final int typeId;
    private PersonType(int typeId) {
        this.typeId = typeId;
    }

    public final int getTypeId() {
        return typeId;
    }

    public static PersonType findByTypeId(int typeId) {
        for (PersonType type : values()) {
            if (type.typeId == typeId) {
                return type;
            }
        }
        return null;
    }
}

For me, this typically aligns with a look-up table in a database (for rarely-updated tables only).

However, when I try to use findByTypeId in a switch statement (from, most likely, user input)...

int userInput = 3;
PersonType personType = PersonType.findByTypeId(userInput);
switch(personType) {
case COOL_GUY:
    // Do things only a cool guy would do.
    break;
case JERK:
    // Push back. Don't enable him.
    break;
default:
    // I don't know or care what to do with this mess.
}

...as others have stated, this results in an NPE @ switch(personType) {. One work-around (i.e., "solution") I started implementing was to add an UNKNOWN(-1) type.

public enum PersonType {
    UNKNOWN(-1),
    COOL_GUY(1),
    JERK(2);
    ...
    public static PersonType findByTypeId(int id) {
        ...
        return UNKNOWN;
    }
}

Now, you don't have to do null-checking where it counts and you can choose to, or not to, handle UNKNOWN types. (NOTE: -1 is an unlikely identifier in a business scenario, but obviously choose something that makes sense for your use-case).

Since performance.navigation is now deprecated, you can try this:

var perfEntries = performance.getEntriesByType("navigation");

if (perfEntries[0].type === "back_forward") {
    location.reload(true);
}

Such things can be subjective and there are some interesting and various solid arguments on both sides. However [in my opinion] returning a 404 for missing data is not correct. Here's a simplified description to make this clear:

• Request: Can I have some data please?
• Resource (API endpoint): I'll get that request for you, here [sends a response of potential data]

Nothing broke, the endpoint was found, and the table and columns were found so the DB queried and data was "successfully" returned!

Now - whether that "successful response" has data or not does not matter, you asked for a response of "potential" data and that response with "potential" data was fulfilled. Null, empty etc is valid data.

200 just means whatever request we did was successful. I'm requesting data, nothing went wrong with HTTP/REST, and as data (albeit empty) was returned my "request for data" was successful.

Return a 200 and let the requester deal with empty data as each specific scenario warrants it!

Consider this example:

• Request: Query "infractions" table with user ID 1234
• Resource (API endpoint): Returns a response but data is empty

This data being empty is entirely valid. It means that user has no infractions. This is a 200 as it's all valid, as then I can do:

You have no infractions, have a blueberry muffin!

If you deem this a 404 what are you stating? The user's infractions couldn't be found? Now, grammatically that is correct, but it's just not correct in REST world were the success or failure is about the request. The "infraction" data for this user could be found successfully, there are zero infractions - a real number representing a valid state.

[Cheeky note..]

In your title, you're subconsciously agreeing that 200 is the correct response:

What is the proper REST response code for a valid request but an empty data?

Here are some things to consider when choosing which status code to use, regardless of subjectivity and tricky choices:

1. Consistency. If you use 404 for "no data" use it every time a response is returning no data.
2. Don't use the same status for more than one meaning. If you return 404 when a resource was not found (eg API end point does not exist etc) then don't also use it for no data returned. This just makes dealing with responses a pain.
3. Consider the context carefully. What is the "request"? What are you saying you are trying to achieve?

Call the toISOString() method:

var dt = new Date("30 July 2010 15:05 UTC");
document.write(dt.toISOString());

// Output:
//  2010-07-30T15:05:00.000Z

When changing icon size with UIEdgeInsetsMake(top, left, bottom, right), keep in mind button dimensions and the ability of UIEdgeInsetsMake to work with negative values as if they are positive.

Example: Two buttons with height 100 and aspect 1:1.

left.imageEdgeInsets = UIEdgeInsetsMake(40, 0, 40, 0)
right.imageEdgeInsets = UIEdgeInsetsMake(40, 0, 40, 0)

left.imageEdgeInsets = UIEdgeInsetsMake(40, 0, 40, 0)
right.imageEdgeInsets = UIEdgeInsetsMake(45, 0, 45, 0)

left.imageEdgeInsets = UIEdgeInsetsMake(40, 0, 40, 0)
right.imageEdgeInsets = UIEdgeInsetsMake(60, 0, 60, 0)

Examples 1 and 3 are identical since ABS(100 - (40 + 40)) = ABS(100 - (60 + 60))

In combination with what Guffa described, you could use the technique described in Explanation of <script type = "text/template"> ... </script> to store the HTML document in a special script element (see the link for an explanation on how this works). That's a lot easier than storing the HTML document in a string.

I think you should try this:

from tkinter import *

or

from Tkinter import *

It really depends on what type of computer you use, or what version of python you have.

You should try below code, worked for me

import 'dart:async';
import 'package:attendance/components/appbar.dart';
import 'package:attendance/homepage.dart';
import 'package:flutter/material.dart';

class _SplashScreenState extends State<SplashScreen>
with SingleTickerProviderStateMixin {


void handleTimeout() {
  Navigator.of(context).pushReplacement(new MaterialPageRoute(
    builder: (BuildContext context) => new MyHomePage()));
}

startTimeout() async {
  var duration = const Duration(seconds: 3);
  return new Timer(duration, handleTimeout);
}

@override
void initState() {
  // TODO: implement initState
  super.initState();

  _iconAnimationController = new AnimationController(
      vsync: this, duration: new Duration(milliseconds: 2000));

  _iconAnimation = new CurvedAnimation(
      parent: _iconAnimationController, curve: Curves.easeIn);
  _iconAnimation.addListener(() => this.setState(() {}));

  _iconAnimationController.forward();

  startTimeout();
}

@override
Widget build(BuildContext context) {
  return new Scaffold(
    body: new Scaffold(
      body: new Center(
        child: new Image(
        image: new AssetImage("images/logo.png"),
        width: _iconAnimation.value * 100,
        height: _iconAnimation.value * 100,
      )),
    ),
  );
}
}

it's from this site - http://sqlzoo.net/3.htm 2 possible solutions:

with TOP 1 a ORDER BY ... DESC:

SELECT yr, COUNT(title) 
FROM actor 
JOIN casting ON actor.id=actorid
JOIN movie ON movie.id=movieid
WHERE name = 'John Travolta'
GROUP BY yr
HAVING count(title)=(SELECT TOP 1 COUNT(title) 
FROM casting 
JOIN movie ON movieid=movie.id 
JOIN actor ON actor.id=actorid
WHERE name='John Travolta'
GROUP BY yr
ORDER BY count(title) desc)

with MAX:

SELECT yr, COUNT(title) 
FROM actor  
JOIN casting ON actor.id=actorid    
JOIN movie ON movie.id=movieid
WHERE name = 'John Travolta'
GROUP BY yr
HAVING 
    count(title)=
        (SELECT MAX(A.CNT) 
            FROM (SELECT COUNT(title) AS CNT FROM actor 
                JOIN casting ON actor.id=actorid
                JOIN movie ON movie.id=movieid
                    WHERE name = 'John Travolta'
                    GROUP BY (yr)) AS A)

I think it's generally browser specific. To be on the safe side, base64 encode a JSON object, and store everything in that. That way you just have to decode it and parse the JSON. All the characters used in base64 should play fine with most, if not all browsers.

In plain-old JavaScript you can do this:

var inputs = document.getElementsByTagName('input');

for(var i = 0; i < inputs.length; i++) {
    if(inputs[i].type.toLowerCase() == 'text') {
        alert(inputs[i].value);
    }
}

In jQuery, you would just do:

// select all inputs of type 'text' on the page
$("input:text")

// hide all text inputs which are descendants of div class="foo"
$("div.foo input:text").hide();

str.c_str() gives you a const char *, which is an LPCSTR (Long Pointer to Constant STRing) -- means that it's a pointer to a 0 terminated string of characters. W means wide string (composed of wchar_t instead of char).

I have done good research on the save() vs. persist() including running it on my local machine several times. All the previous explanations are confusing and incorrect. I compare save() and persist() methods below after a thorough research.

Save()

1. Returns generated Id after saving. Its return type is Serializable;
2. Saves the changes to the database outside of the transaction;
3. Assigns the generated id to the entity you are persisting;
4. session.save() for a detached object will create a new row in the table.

Persist()

1. Does not return generated Id after saving. Its return type is void;
2. Does not save the changes to the database outside of the transaction;
3. Assigns the generated Id to the entity you are persisting;
4. session.persist() for a detached object will throw a PersistentObjectException, as it is not allowed.

All these are tried/tested on Hibernate v4.0.1.

void display_without_recursion(struct btree **b) 
{
    deque< struct btree* > dtree;
        if(*b)
    dtree.push_back(*b);
        while(!dtree.empty() )
    {
        struct btree* t = dtree.front();
        cout << t->nodedata << " " ;
        dtree.pop_front();
        if(t->right)
        dtree.push_front(t->right);
        if(t->left)
        dtree.push_front(t->left);
    }
    cout << endl;
}

Your question is: "How can I see exactly what happened in the someFunction() that caused the exception to happen?"

It seems to me that you are not asking about how to handle unforeseen exceptions in production code (as many answers assumed), but how to find out what is causing a particular exception during development.

The easiest way is to use a debugger that can stop where the uncaught exception occurs, preferably not exiting, so that you can inspect the variables. For example, PyDev in the Eclipse open source IDE can do that. To enable that in Eclipse, open the Debug perspective, select Manage Python Exception Breakpoints in the Run menu, and check Suspend on uncaught exceptions.

<?php
    function copy_directory( $source, $destination ) {
        if ( is_dir( $source ) ) {
        @mkdir( $destination );
        $directory = dir( $source );
        while ( FALSE !== ( $readdirectory = $directory->read() ) ) {
            if ( $readdirectory == '.' || $readdirectory == '..' ) {
                continue;
            }
            $PathDir = $source . '/' . $readdirectory; 
            if ( is_dir( $PathDir ) ) {
                copy_directory( $PathDir, $destination . '/' . $readdirectory );
                continue;
            }
            copy( $PathDir, $destination . '/' . $readdirectory );
        }

        $directory->close();
        }else {
        copy( $source, $destination );
        }
    }
?>

from the last 4th line , make this

$source = 'wordpress';//i.e. your source path

and

$destination ='b';

If you type this text in your bat file:

start /min blah.exe

It will immediately minimize as soon as it opens the program. You will only see a brief flash of it and it will disappear.

I've recently found even more interesting way to create any ValueNode or ContainerNode (Jackson v2.3).

ObjectNode node = JsonNodeFactory.instance.objectNode();

Have you tried Hammerjs? It supports swipe gestures by using the velocity of the touch. http://eightmedia.github.com/hammer.js/

require has greater overhead than include, since it has to parse the file first. Replacing requires with includes is often a good optimization technique.

Replace double quotes with single ones:

INSERT
INTO    MY.LOGFILE
        (id,severity,category,logdate,appendername,message,extrainfo)
VALUES  (
       'dee205e29ec34',
       'FATAL',
       'facade.uploader.model',
       '2013-06-11 17:16:31',
       'LOGDB',
       NULL,
       NULL
       )

In SQL, double quotes are used to mark identifiers, not string constants.

You can use this command

$ git rev-list HEAD

You can also use the head Unix command to show the latest n HEAD commits like

$ git rev-list HEAD | head - 2

Just pass your regression model into the following function:

    plot_coeffs <- function(mlr_model) {
      coeffs <- coefficients(mlr_model)
      mp <- barplot(coeffs, col="#3F97D0", xaxt='n', main="Regression Coefficients")
      lablist <- names(coeffs)
      text(mp, par("usr")[3], labels = lablist, srt = 45, adj = c(1.1,1.1), xpd = TRUE, cex=0.6)
    }

Use as follows:

model <- lm(Petal.Width ~ ., data = iris)

plot_coeffs(model)

Hopefully this is self explanatory enough. Use the comments in the code to help understand what is happening. Pass a single cell to this function. The value of that cell will be the base file name. If the cell contains "AwesomeData" then we will try and create a file in the current users desktop called AwesomeData.pdf. If that already exists then try AwesomeData2.pdf and so on. In your code you could just replace the lines filename = Application..... with filename = GetFileName(Range("A1"))

Function GetFileName(rngNamedCell As Range) As String
    Dim strSaveDirectory As String: strSaveDirectory = ""
    Dim strFileName As String: strFileName = ""
    Dim strTestPath As String: strTestPath = ""
    Dim strFileBaseName As String: strFileBaseName = ""
    Dim strFilePath As String: strFilePath = ""
    Dim intFileCounterIndex As Integer: intFileCounterIndex = 1

    ' Get the users desktop directory.
    strSaveDirectory = Environ("USERPROFILE") & "\Desktop\"
    Debug.Print "Saving to: " & strSaveDirectory

    ' Base file name
    strFileBaseName = Trim(rngNamedCell.Value)
    Debug.Print "File Name will contain: " & strFileBaseName

    ' Loop until we find a free file number
    Do
        If intFileCounterIndex > 1 Then
            ' Build test path base on current counter exists.
            strTestPath = strSaveDirectory & strFileBaseName & Trim(Str(intFileCounterIndex)) & ".pdf"
        Else
            ' Build test path base just on base name to see if it exists.
            strTestPath = strSaveDirectory & strFileBaseName & ".pdf"
        End If

        If (Dir(strTestPath) = "") Then
            ' This file path does not currently exist. Use that.
            strFileName = strTestPath
        Else
            ' Increase the counter as we have not found a free file yet.
            intFileCounterIndex = intFileCounterIndex + 1
        End If

    Loop Until strFileName <> ""

    ' Found useable filename
    Debug.Print "Free file name: " & strFileName
    GetFileName = strFileName

End Function

The debug lines will help you figure out what is happening if you need to step through the code. Remove them as you see fit. I went a little crazy with the variables but it was to make this as clear as possible.

In Action

My cell O1 contained the string "FileName" without the quotes. Used this sub to call my function and it saved a file.

Sub Testing()
    Dim filename As String: filename = GetFileName(Range("o1"))

    ActiveWorkbook.Worksheets("Sheet1").Range("A1:N24").ExportAsFixedFormat Type:=xlTypePDF, _
                                              filename:=filename, _
                                              Quality:=xlQualityStandard, _
                                              IncludeDocProperties:=True, _
                                              IgnorePrintAreas:=False, _
                                              OpenAfterPublish:=False
End Sub

Where is your code located in reference to everything else? Perhaps you need to make a module if you have not already and move your existing code into there.

You should construct your string as URI object and Authority property returns what you need.

POD in C++11 was basically split into two different axes here: triviality and layout. Triviality is about the relationship between an object's conceptual value and the bits of data within its storage. Layout is about... well, the layout of an object's subobjects. Only class types have layout, while all types have triviality relationships.

So here is what the triviality axis is about:

1. Non-trivially copyable: The value of objects of such types may be more than just the binary data that are stored directly within the object.

   For example, unique_ptr<T> stores a T*; that is the totality of the binary data within the object. But that's not the totality of the value of a unique_ptr<T>. A unique_ptr<T> stores either a nullptr or a pointer to an object whose lifetime is managed by the unique_ptr<T> instance. That management is part of the value of a unique_ptr<T>. And that value is not part of the binary data of the object; it is created by the various member functions of that object.

   For example, to assign nullptr to a unique_ptr<T> is to do more than just change the bits stored in the object. Such an assignment must destroy any object managed by the unique_ptr. To manipulate the internal storage of a unique_ptr without going through its member functions would damage this mechanism, to change its internal T* without destroying the object it currently manages, would violate the conceptual value that the object possesses.

2. Trivially copyable: The value of such objects are exactly and only the contents of their binary storage. This is what makes it reasonable to allow copying that binary storage to be equivalent to copying the object itself.

   The specific rules that define trivial copyability (trivial destructor, trivial/deleted copy/move constructors/assignment) are what is required for a type to be binary-value-only. An object's destructor can participate in defining the "value" of an object, as in the case with unique_ptr. If that destructor is trivial, then it doesn't participate in defining the object's value.

   Specialized copy/move operations also can participate in an object's value. unique_ptr's move constructor modifies the source of the move operation by null-ing it out. This is what ensures that the value of a unique_ptr is unique. Trivial copy/move operations mean that such object value shenanigans are not being played, so the object's value can only be the binary data it stores.

3. Trivial: This object is considered to have a functional value for any bits that it stores. Trivially copyable defines the meaning of the data store of an object as being just that data. But such types can still control how data gets there (to some extent). Such a type can have default member initializers and/or a default constructor that ensures that a particular member always has a particular value. And thus, the conceptual value of the object can be restricted to a subset of the binary data that it could store.

   Performing default initialization on a type that has a trivial default constructor will leave that object with completely uninitialized values. As such, a type with a trivial default constructor is logically valid with any binary data in its data storage.

The layout axis is really quite simple. Compilers are given a lot of leeway in deciding how the subobjects of a class are stored within the class's storage. However, there are some cases where this leeway is not necessary, and having more rigid ordering guarantees is useful.

Such types are standard layout types. And the C++ standard doesn't even really do much with saying what that layout is specifically. It basically says three things about standard layout types:

1. The first subobject is at the same address as the object itself.

2. You can use offsetof to get a byte offset from the outer object to one of its member subobjects.

3. unions get to play some games with accessing subobjects through an inactive member of a union if the active member is (at least partially) using the same layout as the inactive one being accessed.

Compilers generally permit standard layout objects to map to struct types with the same members in C. But there is no statement of that in the C++ standard; that's just what compilers feel like doing.

POD is basically a useless term at this point. It is just the intersection of trivial copyability (the value is only its binary data) and standard layout (the order of its subobjects is more well-defined). One can infer from such things that the type is C-like and could map to similar C objects. But the standard has no statements to that effect.

can you please elaborate following rules:

I'll try:

a) standard-layout classes must have all non-static data members with the same access control

That's simple: all non-static data members must all be public, private, or protected. You can't have some public and some private.

The reasoning for them goes to the reasoning for having a distinction between "standard layout" and "not standard layout" at all. Namely, to give the compiler the freedom to choose how to put things into memory. It's not just about vtable pointers.

Back when they standardized C++ in 98, they had to basically predict how people would implement it. While they had quite a bit of implementation experience with various flavors of C++, they weren't certain about things. So they decided to be cautious: give the compilers as much freedom as possible.

That's why the definition of POD in C++98 is so strict. It gave C++ compilers great latitude on member layout for most classes. Basically, POD types were intended to be special cases, something you specifically wrote for a reason.

When C++11 was being worked on, they had a lot more experience with compilers. And they realized that... C++ compiler writers are really lazy. They had all this freedom, but they didn't do anything with it.

The rules of standard layout are more or less codifying common practice: most compilers didn't really have to change much if anything at all to implement them (outside of maybe some stuff for the corresponding type traits).

Now, when it came to public/private, things are different. The freedom to reorder which members are public vs. private actually can matter to the compiler, particularly in debugging builds. And since the point of standard layout is that there is compatibility with other languages, you can't have the layout be different in debug vs. release.

Then there's the fact that it doesn't really hurt the user. If you're making an encapsulated class, odds are good that all of your data members will be private anyway. You generally don't expose public data members on fully encapsulated types. So this would only be a problem for those few users who do want to do that, who want that division.

So it's no big loss.

b) only one class in the whole inheritance tree can have non-static data members,

The reason for this one comes back to why they standardized standard layout again: common practice.

There's no common practice when it comes to having two members of an inheritance tree that actually store things. Some put the base class before the derived, others do it the other way. Which way do you order the members if they come from two base classes? And so on. Compilers diverge greatly on these questions.

Also, thanks to the zero/one/infinity rule, once you say you can have two classes with members, you can say as many as you want. This requires adding a lot of layout rules for how to handle this. You have to say how multiple inheritance works, which classes put their data before other classes, etc. That's a lot of rules, for very little material gain.

You can't make everything that doesn't have virtual functions and a default constructor standard layout.

and the first non-static data member cannot be of a base class type (this could break aliasing rules).

I can't really speak to this one. I'm not educated enough in C++'s aliasing rules to really understand it. But it has something to do with the fact that the base member will share the same address as the base class itself. That is:

struct Base {};
struct Derived : Base { Base b; };

Derived d;
static_cast<Base*>(&d) == &d.b;

And that's probably against C++'s aliasing rules. In some way.

However, consider this: how useful could having the ability to do this ever actually be? Since only one class can have non-static data members, then Derived must be that class (since it has a Base as a member). So Base must be empty (of data). And if Base is empty, as well as a base class... why have a data member of it at all?

Since Base is empty, it has no state. So any non-static member functions will do what they do based on their parameters, not their this pointer.

So again: no big loss.

One way would be to use the system property System.getProperty("user.dir"); this will give you "The current working directory when the properties were initialized". This is probably what you want. to find out where the java command was issued, in your case in the directory with the files to process, even though the actual .jar file might reside somewhere else on the machine. Having the directory of the actual .jar file isn't that useful in most cases.

The following will print out the current directory from where the command was invoked regardless where the .class or .jar file the .class file is in.

public class Test
{
    public static void main(final String[] args)
    {
        final String dir = System.getProperty("user.dir");
        System.out.println("current dir = " + dir);
    }
}  

if you are in /User/me/ and your .jar file containing the above code is in /opt/some/nested/dir/ the command java -jar /opt/some/nested/dir/test.jar Test will output current dir = /User/me.

You should also as a bonus look at using a good object oriented command line argument parser. I highly recommend JSAP, the Java Simple Argument Parser. This would let you use System.getProperty("user.dir") and alternatively pass in something else to over-ride the behavior. A much more maintainable solution. This would make passing in the directory to process very easy to do, and be able to fall back on user.dir if nothing was passed in.

If you're in Python 3, there's a fork of JPype called JPype1-py3

pip install JPype1-py3

This works for me on OSX / Python 3.4.3. (You may need to export JAVA_HOME=/Library/Java/JavaVirtualMachines/your-java-version)

from jpype import *
startJVM(getDefaultJVMPath(), "-ea")
java.lang.System.out.println("hello world")
shutdownJVM()

This is a simple way to select an option from a dropdownlist based on a string val

private void SetDDLs(DropDownList d,string val)
    {
        ListItem li;
        for (int i = 0; i < d.Items.Count; i++)
        {
            li = d.Items[i];
            if (li.Value == val)
            {
                d.SelectedIndex = i;
                break;
            }
        }
    }

One can use base python for this. The code needs a function to flatten lists of lists:

def flatten(B):    # function needed for code below;
    A = []
    for i in B:
        if type(i) == list: A.extend(i)
        else: A.append(i)
    return A

Then one can run:

L = [[1,2,3],[4,5,6],[7,8,9,10]]

outlist =[]; templist =[[]]
for sublist in L:
    outlist = templist; templist = [[]]
    for sitem in sublist:
        for oitem in outlist:
            newitem = [oitem]
            if newitem == [[]]: newitem = [sitem]
            else: newitem = [newitem[0], sitem]
            templist.append(flatten(newitem))

outlist = list(filter(lambda x: len(x)==len(L), templist))  # remove some partial lists that also creep in;
print(outlist)

Output:

[[1, 4, 7], [2, 4, 7], [3, 4, 7], 
[1, 5, 7], [2, 5, 7], [3, 5, 7], 
[1, 6, 7], [2, 6, 7], [3, 6, 7], 
[1, 4, 8], [2, 4, 8], [3, 4, 8], 
[1, 5, 8], [2, 5, 8], [3, 5, 8], 
[1, 6, 8], [2, 6, 8], [3, 6, 8], 
[1, 4, 9], [2, 4, 9], [3, 4, 9], 
[1, 5, 9], [2, 5, 9], [3, 5, 9], 
[1, 6, 9], [2, 6, 9], [3, 6, 9], 
[1, 4, 10], [2, 4, 10], [3, 4, 10], 
[1, 5, 10], [2, 5, 10], [3, 5, 10], 
[1, 6, 10], [2, 6, 10], [3, 6, 10]]

As per the Newtonsoft Documentation you can also deserialize to an anonymous object like this:

var definition = new { Name = "" };

string json1 = @"{'Name':'James'}";
var customer1 = JsonConvert.DeserializeAnonymousType(json1, definition);

Console.WriteLine(customer1.Name);
// James

Like that

var purchCount = (from purchase in myBlaContext.purchases select purchase).Count();

or even easier

var purchCount = myBlaContext.purchases.Count()

SELECT PersonName, songName, status
FROM table
WHERE name IN ('Holly', 'Ryan')

If you are using parametrized Stored procedure:

1. Pass in comma separated string
2. Use special function to split comma separated string into table value variable
3. Use INNER JOIN ON t.PersonName = newTable.PersonName using a table variable which contains passed in names

>>> values = [1, 0, 3]
>>> n_values = np.max(values) + 1
>>> np.eye(n_values)[values]
array([[ 0.,  1.,  0.,  0.],
       [ 1.,  0.,  0.,  0.],
       [ 0.,  0.,  0.,  1.]])

Make sure the real source file is saved as UTF-8 (You may even want to try the non-recommended BOM Chars with UTF-8 to make sure).

Also in case of HTML, make sure you have declared the correct encoding using meta tags:

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

If it's a CMS (as you've tagged your question with Joomla) you may need to configure appropriate settings for the encoding.

send html email via codeiginater

    $this->load->library('email');
    $this->load->library('parser');



    $this->email->clear();
    $config['mailtype'] = "html";
    $this->email->initialize($config);
    $this->email->set_newline("\r\n");
    $this->email->from('[email protected]', 'Website');
    $list = array('[email protected]', '[email protected]');
    $this->email->to($list);
    $data = array();
    $htmlMessage = $this->parser->parse('messages/email', $data, true);
    $this->email->subject('This is an email test');
    $this->email->message($htmlMessage);



    if ($this->email->send()) {
        echo 'Your email was sent, thanks chamil.';
    } else {
        show_error($this->email->print_debugger());
    }

As an alternative to alex's answer:

You could use a SVG drawing instead of a Canvas drawing. There you can add events directly to the drawn DOM objects.

see for example:

Making an svg image object clickable with onclick, avoiding absolute positioning

The simplest answer!

P.S. the one who wrote the document of argparse is foolish

python code:

import argparse
parser = argparse.ArgumentParser(description='')
parser.add_argument('--o_dct_fname',type=str)
parser.add_argument('--tp',type=str)
parser.add_argument('--new_res_set',type=int)
args = parser.parse_args()
o_dct_fname = args.o_dct_fname
tp = args.tp
new_res_set = args.new_res_set

running code

python produce_result.py --o_dct_fname o_dct --tp father_child --new_res_set 1

Close to BalusC answer in 4 simple lines using Google Gson lib. Add this lines to the servlet method:

User objToSerialize = new User("Bill", "Gates");    
ServletOutputStream outputStream = response.getOutputStream();

response.setContentType("application/json;charset=UTF-8");
outputStream.print(new Gson().toJson(objToSerialize));

Good luck!

Because some database can throw an exception at dbContextTransaction.Commit() so better this:

using (var context = new BloggingContext()) 
{ 
  using (var dbContextTransaction = context.Database.BeginTransaction()) 
  { 
    try 
    { 
      context.Database.ExecuteSqlCommand( 
          @"UPDATE Blogs SET Rating = 5" + 
              " WHERE Name LIKE '%Entity Framework%'" 
          ); 

      var query = context.Posts.Where(p => p.Blog.Rating >= 5); 
      foreach (var post in query) 
      { 
          post.Title += "[Cool Blog]"; 
      } 

      context.SaveChanges(false); 

      dbContextTransaction.Commit(); 

      context.AcceptAllChanges();
    } 
    catch (Exception) 
    { 
      dbContextTransaction.Rollback(); 
    } 
  } 
} 

For anyone attempting to compile code from an external source that uses an automated build utility such as Make, to avoid having to track down the explicit gcc compilation calls you can set an environment variable. Enter on command prompt or put in .bashrc (or .bash_profile on Mac):

export CFLAGS="-std=c99"

Note that a similar solution applies if you run into a similar scenario with C++ compilation that requires C++ 11, you can use:

export CXXFLAGS="-std=c++11"

The commented out version is the more correct way to do this.

If you use the == operator on strings, you're comparing the strings' addresses (where they're allocated in memory) rather than the values of the strings. This is very occasional useful (it indicates you have the exact same string object), but 99% of the time you want to compare the values, which you do like so:

if([myT isEqualToString:@"10"] || [myT isEqualToString:@"11"] || [myT isEqualToString:@"12"])

You need the change those double quotation marks into singles. ie. if (answer == 'y') returns true;

Here is some info on String Literals in C++: http://msdn.microsoft.com/en-us/library/69ze775t%28VS.80%29.aspx

After reading Minunit I thought a better way was base the test in assert macro which I use a lot like defensive program technique. So I used the same idea of Minunit mixed with standard assert. You can see my framework (a good name could be NoMinunit) in k0ga's blog

Add jQuery and make sure only one link for jQuery cause more than one doesn't work...

If you're looking to match non-blank values or empty cells and having difficulty with wildcard character, I found the solution below from here.

Dim n as Integer
n = Worksheets("Sheet1").Range("A:A").Cells.SpecialCells(xlCellTypeConstants).Count

The documentation is misleading.
I have the following code running in production

DECLARE @table TABLE (UserID varchar(100))
DECLARE @sql varchar(1000)
SET @sql = 'spSelUserIDList'
/* Will also work
   SET @sql = 'SELECT UserID FROM UserTable'
*/

INSERT INTO @table
EXEC(@sql)

SELECT * FROM @table

Your code works. If you don't have any output, you may have "forgotten" to add some values to the list:

// add values
list.add("one");
list.add("two");

// your code
for (String object: list) {
    System.out.println(object);
}

Try this one, this function allows alphanumeric and spaces:

function alpha(e) {
    var k;
    document.all ? k = e.keyCode : k = e.which;
    return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || k == 32 || (k >= 48 && k <= 57));
}

in your html:

<input type="text" name="name"  onkeypress="return alpha(event)"/>

Make a class with pure virtual methods. Use the interface by creating another class that overrides those virtual methods.

A pure virtual method is a class method that is defined as virtual and assigned to 0.

class IDemo
{
    public:
        virtual ~IDemo() {}
        virtual void OverrideMe() = 0;
};

class Child : public IDemo
{
    public:
        virtual void OverrideMe()
        {
            //do stuff
        }
};

"Unexpected end of file" implies that the remote server accepted and closed the connection without sending a response. It's possible that the remote system is too busy to handle the request, or that there's a network bug that randomly drops connections.

It's also possible there is a bug in the server: something in the request causes an internal error, and the server simply closes the connection instead of sending a HTTP error response like it should. Several people suggest this is caused by missing headers or invalid header values in the request.

With the information available it's impossible to say what's going wrong. If you have access to the servers in question you can use packet sniffing tools to find what exactly is sent and received, and look at logs to of the server process to see if there are any error messages.

None of the suggestions worked on their own.

Here is what worked for me: chmod -R 777 $ANDROID_HOME

Then try to install it via android studio -> sdk manager. If its not there, reinstall latest version of Android studio over your current installation. HAXM will show up in SDK manager after that.

If you do not have ANDROID_HOME set, then YOU are part of the problem. The value of it can be found inside Android Studio project structure. On MAC, just type CMD ; and look at SDK Location on left.

Simply run chmod -R 775

You can squash (join) commits with an Interactive Rebase. There is a pretty nice YouTube video which shows how to do this on the command line or with SmartGit:

• https://www.youtube.com/watch?v=qi_QAFrmHJM

If you are already a SmartGit user then you can select all your outgoing commits (by holding down the Ctrl key) and open the context menu (right click) to squash your commits.

It's very comfortable:

There is also a very nice tutorial from Atlassian which shows how it works:

• https://www.atlassian.com/git/tutorials/rewriting-history/git-rebase-i

I would say, in your layout file give a

<div id="background"></div>

and then in your css do

#background {
 position: fixed;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: -100;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  background: image-url('background.png') no-repeat;
  background-size: cover;
}

And be sure to have the background image in your app/assets/images and also change the

background: image-url('background.png') no-repeat;

'background.png' to your own background pic.

That is only possible if that site has declared anchors in the page. It is done by giving a tag a name or id attribute, so look for any of those close to where you want to link to.

And then the syntax would be

<a href="page.html#anchor">text</a>

Also you need to check if individual record is not getting updated in the logic because with update trigger in the place causes time out error too.

So, the solution is to make sure you perform bulk update after the loop/cursor instead of one record at a time in the loop.

The answer from @ben almost works for me except that my dependencies are too big and I got the following error

Execution failed for task ':jar'.
> archive contains more than 65535 entries.

  To build this archive, please enable the zip64 extension.

To fix this problem, I have to use the following code

mainClassName = "com.company.application.Main"

jar {
  manifest { 
    attributes "Main-Class": "$mainClassName"
  }  
  zip64 = true
  from {
    configurations.compile.collect { it.isDirectory() ? it : zipTree(it) }
  }
}

I suppose you want to publish and access your applications/websites from LAN; probably as virtual directories under the default website.The steps could vary depending on your IIS version, but basically it comes down to these steps:

Restore your "Default Website" Website :

1. create a new website

2. set "Default Website" as its name

3. In the Binding section (bottom panel), enter your local IP address in the "IP Address" edit.

4. Keep the "Host" edit empty

that's it: now whenever you type your local ip address in your browser, you will get the website you just added. Now if you want to access any of your other webapplications/websites from LAN, just add a virtual application under your default website pointing to the directory containing your published application/website. Now you can type : http://yourLocalIPAddress/theNameOfYourApplication to access it from your LAN.

I've had success with this solution. It's almost like Patrick's, with a little twist. You can use these expressions separately or in sequence. If the parameter is blank, it will be ignored and all values for the column that your searching will be displayed, including NULLS.

SELECT * FROM MyTable
WHERE 
    --check to see if @param1 exists, if @param1 is blank, return all
    --records excluding filters below
(Col1 LIKE '%' + @param1 + '%' OR @param1 = '')
AND
    --where you want to search multiple columns using the same parameter
    --enclose the first 'OR' expression in braces and enclose the entire 
    --expression 
((Col2 LIKE '%' + @searchString + '%' OR Col3 LIKE '%' + @searchString + '%') OR @searchString = '')
AND
    --if your search requires a date you could do the following
(Cast(DateCol AS DATE) BETWEEN CAST(@dateParam AS Date) AND CAST(GETDATE() AS DATE) OR @dateParam = '')

I was using Peter Kreinz's code (because it was clean and did what I needed) but then I realized it works just when the device is on portrait (since top padding will be on top, obviously) So I created an extension to handle all the orientations with its respective paddings, without relaying on the screen size:

extension UIDevice {

    var isIphoneX: Bool {
        if #available(iOS 11.0, *), isIphone {
            if isLandscape {
                if let leftPadding = UIApplication.shared.keyWindow?.safeAreaInsets.left, leftPadding > 0 {
                    return true
                }
                if let rightPadding = UIApplication.shared.keyWindow?.safeAreaInsets.right, rightPadding > 0 {
                    return true
                }
            } else {
                if let topPadding = UIApplication.shared.keyWindow?.safeAreaInsets.top, topPadding > 0 {
                    return true
                }
                if let bottomPadding = UIApplication.shared.keyWindow?.safeAreaInsets.bottom, bottomPadding > 0 {
                    return true
                }
            }
        }
        return false
    }

    var isLandscape: Bool {
        return UIDeviceOrientationIsLandscape(orientation) || UIInterfaceOrientationIsLandscape(UIApplication.shared.statusBarOrientation)
    }

    var isPortrait: Bool {
        return UIDeviceOrientationIsPortrait(orientation) || UIInterfaceOrientationIsPortrait(UIApplication.shared.statusBarOrientation)
    }

    var isIphone: Bool {
        return self.userInterfaceIdiom == .phone
    }

    var isIpad: Bool {
        return self.userInterfaceIdiom == .pad
    }
}

And on your call site you just:

let res = UIDevice.current.isIphoneX

Use an escape clause:

select *
  from (select '123abc456' AS result from dual
        union all
        select '123abc%456' AS result from dual
       )
  WHERE result LIKE '%abc\%%' escape '\'

Result

123abc%456

You can set your escape character to whatever you want. In this case, the default '\'. The escaped '\%' becomes a literal, the second '%' is not escaped, so again wild card.

See List of special characters for SQL LIKE clause

The issue could be that Github isn't present in your ~/.ssh/known_hosts file.

Append GitHub to the list of authorized hosts:

ssh-keyscan -H github.com >> ~/.ssh/known_hosts

This will ensure that the output is a 2-digit value...you can rearrange the output to your liking and test by un-commenting the diagnostics section. Enjoy!

(I borrowed a lot of this from other forums...)

:: ------------------ Date and Time Modifier ------------------------

@echo off
setlocal

:: THIS CODE WILL DISPLAY A 2-DIGIT TIMESTAMP FOR USE IN APPENDING FILENAMES

:: CREATE VARIABLE %TIMESTAMP%

for /f "tokens=1-8 delims=.:/-, " %%i in ('echo exit^|cmd /q /k"prompt $D $T"') do (
   for /f "tokens=2-4 skip=1 delims=/-,()" %%a in ('echo.^|date') do (
set dow=%%i
set %%a=%%j
set %%b=%%k
set %%c=%%l
set hh=%%m
set min=%%n
set sec=%%o
set hsec=%%p
)
)

:: ensure that hour is always 2 digits

if %hh%==0 set hh=00
if %hh%==1 set hh=01
if %hh%==2 set hh=02
if %hh%==3 set hh=03
if %hh%==4 set hh=04
if %hh%==5 set hh=05
if %hh%==6 set hh=06
if %hh%==7 set hh=07
if %hh%==8 set hh=08
if %hh%==9 set hh=09


:: --------- TIME STAMP DIAGNOSTICS -------------------------

:: Un-comment these lines to test output

:: echo dayOfWeek = %dow%
:: echo year = %yy%
:: echo month = %mm%
:: echo day = %dd%
:: echo hour = %hh%
:: echo minute = %min%
:: echo second = %sec%
:: echo hundredthsSecond = %hsec%
:: echo.
:: echo Hello! 
:: echo Today is %dow%, %mm%/%dd%. 
:: echo.
:: echo. 
:: echo.
:: echo.
:: pause

:: --------- END TIME STAMP DIAGNOSTICS ----------------------

:: assign timeStamp:
:: Add the date and time parameters as necessary - " yy-mm-dd-dow-min-sec-hsec "

endlocal & set timeStamp=%yy%%mm%%dd%_%hh%-%min%-%sec%
echo %timeStamp%

The first solution is to use the java.util.Random class:

import java.util.Random;

Random rand = new Random();

// Obtain a number between [0 - 49].
int n = rand.nextInt(50);

// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;

Another solution is using Math.random():

double random = Math.random() * 49 + 1;

or

int random = (int)(Math.random() * 50 + 1);

To trigger an enter keypress, I had to modify @ebynum response, specifically, using the keyCode property.

e = $.Event('keyup');
e.keyCode= 13; // enter
$('input').trigger(e);

@tcaswell already answered, but I was in the middle of typing my answer up, so I'll go ahead and post it...

There are a number of different ways you could do this. To begin with, matplotlib will automatically cycle through colors. By default, it cycles through blue, green, red, cyan, magenta, yellow, black:

import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(0, 1, 10)
for i in range(1, 6):
    plt.plot(x, i * x + i, label='$y = {i}x + {i}$'.format(i=i))
plt.legend(loc='best')
plt.show()

If you want to control which colors matplotlib cycles through, use ax.set_color_cycle:

import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(0, 1, 10)
fig, ax = plt.subplots()
ax.set_color_cycle(['red', 'black', 'yellow'])
for i in range(1, 6):
    plt.plot(x, i * x + i, label='$y = {i}x + {i}$'.format(i=i))
plt.legend(loc='best')
plt.show()

If you'd like to explicitly specify the colors that will be used, just pass it to the color kwarg (html colors names are accepted, as are rgb tuples and hex strings):

import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(0, 1, 10)
for i, color in enumerate(['red', 'black', 'blue', 'brown', 'green'], start=1):
    plt.plot(x, i * x + i, color=color, label='$y = {i}x + {i}$'.format(i=i))
plt.legend(loc='best')
plt.show()

Finally, if you'd like to automatically select a specified number of colors from an existing colormap:

import matplotlib.pyplot as plt
import numpy as np

x = np.linspace(0, 1, 10)
number = 5
cmap = plt.get_cmap('gnuplot')
colors = [cmap(i) for i in np.linspace(0, 1, number)]

for i, color in enumerate(colors, start=1):
    plt.plot(x, i * x + i, color=color, label='$y = {i}x + {i}$'.format(i=i))
plt.legend(loc='best')
plt.show()

I go this error fixed by using the below code. I had setup the SPARK_HOME though. You may follow this simple steps from eproblems website

spark_home = os.environ.get('SPARK_HOME', None)

Declare global variables:

var mapOptions;
var map;
var infowindow;
var marker;
var contentString;
var image;

In intialize use the map's addEvent method:

google.maps.event.addListener(map, 'click', function() {
    if (infowindow) {
        infowindow.close();
    }
});

Most of previous answers call the success of the promise in the on("data"), it is not the proper way to do it because if you receive a lot of data you will only get the first part. Instead you have to do it on the end event.

const { spawn } = require('child_process');
const pythonDir = (__dirname + "/../pythonCode/"); // Path of python script folder
const python = pythonDir + "pythonEnv/bin/python"; // Path of the Python interpreter

/** remove warning that you don't care about */
function cleanWarning(error) {
    return error.replace(/Detector is not able to detect the language reliably.\n/g,"");
}

function callPython(scriptName, args) {
    return new Promise(function(success, reject) {
        const script = pythonDir + scriptName;
        const pyArgs = [script, JSON.stringify(args) ]
        const pyprog = spawn(python, pyArgs );
        let result = "";
        let resultError = "";
        pyprog.stdout.on('data', function(data) {
            result += data.toString();
        });

        pyprog.stderr.on('data', (data) => {
            resultError += cleanWarning(data.toString());
        });

        pyprog.stdout.on("end", function(){
            if(resultError == "") {
                success(JSON.parse(result));
            }else{
                console.error(`Python error, you can reproduce the error with: \n${python} ${script} ${pyArgs.join(" ")}`);
                const error = new Error(resultError);
                console.error(error);
                reject(resultError);
            }
        })
   });
}
module.exports.callPython = callPython;

Call:

const pythonCaller = require("../core/pythonCaller");
const result = await pythonCaller.callPython("preprocessorSentiment.py", {"thekeyYouwant": value});

python:

try:
    argu = json.loads(sys.argv[1])
except:
    raise Exception("error while loading argument")

Add a time stamp <img src="picture.jpg?t=<?php echo time();?>">

will always give your file a random number at the end and stop it caching

You can also do like this:

- command: "{{ item }}"
  args:
    chdir: "/src/package/"
  with_items:
    - "./configure"
    - "/usr/bin/make"
    - "/usr/bin/make install"

Hope that might help other

try one line code :

getActionBar().setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.MainColor)));

As of .NET 5, the implementation has changed. HttpClient still throws a TaskCanceledException, but now wraps a TimeoutException as InnerException. So you can easily check whether a request was canceled or timed out (code sample copied from linked blog post):

try
{
    using var response = await _client.GetAsync("http://localhost:5001/sleepFor?seconds=100");
}
// Filter by InnerException.
catch (TaskCanceledException ex) when (ex.InnerException is TimeoutException)
{
    // Handle timeout.
    Console.WriteLine("Timed out: "+ ex.Message);
}
catch (TaskCanceledException ex)
{
    // Handle cancellation.
    Console.WriteLine("Canceled: " + ex.Message);   
}

Another thing to try is

Tools -> Options -> search for IIS -> tick Use the 64 bit version of IIS Express for web sites and projects.

Compare password in laravel and lumen:

This may be possible that bcrypt function does not work with php7 then you can use below code in laravel and lumen as per your requirements:

use Illuminate\Support\Facades\Hash;

$test = app('hash')->make("test");
if (Hash::check('test', $test)) {
   echo "matched";
} else {
   echo "no matched";
}

I hope, this help will make you happy :)

Important Points

• you have to use java.util package
• array can be passed by reference

In the method calling statement

• Don't use any object to pass an array
• only the array's name is used, don't use datatype or array brackets []

Sample Program

import java.util.*;

class atg {
  void a() {
    int b[]={1,2,3,4,5,6,7};
    c(b);
  }

  void c(int b[]) {
    int e=b.length;
    for(int f=0;f<e;f++) {
      System.out.print(b[f]+" ");//Single Space
    }
  }

  public static void main(String args[]) {
    atg ob=new atg();
    ob.a();
  }
}

Output Sample Program

1 2 3 4 5 6 7

The first parameter to concatenate should itself be a sequence of arrays to concatenate:

numpy.concatenate((a,b)) # Note the extra parentheses.

Currently there is no production ready HTML5 only solution for recording video over the web. The current available solutions are as follows:

HTML Media Capture

Works on mobile devices and uses the OS' video capture app to capture video and upload/POST it to a web server. You will get .mov files on iOS (these are unplayable on Android I've tried) and .mp4 and .3gp on Android. At least the codecs will be the same: H.264 for video and AAC for audio in 99% of the devices.

Image courtesy of https://addpipe.com/blog/the-new-video-recording-prompt-for-media-capture-in-ios9/

Flash and a media server on desktop.

Video recording in Flash works like this: audio and video data is captured from the webcam and microphone, it's encoded using Sorenson Spark or H.264 (video) and Nellymoser Asao or Speex (audio) then it's streamed (rtmp) to a media server (Red5, AMS, Wowza) where it is saved in .flv or .f4v files.

The MediaStream Recording proposal

The MediaStream Recording is a proposal by the the Media Capture Task Force (a joint task force between the WebRTC and Device APIs working groups) for a JS API who's purpose is to make basic video recording in the browser very simple.

Not supported by major browsers. When it'll get implemented (if it will) you will most probably end up with different filetypes (at least .ogg and .webm) and audio/video codecs depending on the browser.

Commercial solutions

There are a few saas and software solutions out there that will handle some or all of the above including addpipe.com, HDFVR, Nimbb and Cameratag.

Further reading:

• HTML Media Capture video recording prompts in iOS9
• HTML5 Video Recording covers both HTML Media Capture and MediaStream Recording.
• Pipe is a saas for video recording that also handles the final conversion to .mp4

One workaround is to use Postman with same request url, headers and payload.

It will give response for sure.

This is similar to mmm's solution, but a bit more understandable. Have your tasks extend an abstract class that wraps the run() method.

public abstract Task implements Runnable {

    public abstract void execute();

    public void run() {
      try {
        execute();
      } catch (Throwable t) {
        // handle it  
      }
    }
}


public MySampleTask extends Task {
    public void execute() {
        // heavy, error-prone code here
    }
}

This is how I solved the problem The menu closes a few seconds after mouse out (that if hover didn't fire),

//Set timer switch
$setM_swith=0;

$(function(){
    $(".navbar-nav li a").click(function(event) {
        if (!$(this).parent().hasClass('dropdown'))
            $(".navbar-collapse").collapse('hide');
    });
    $(".navbar-collapse").mouseleave(function(){
        $setM_swith=1;
        setTimeout(function(){ 
           if($setM_swith==1) {
             $(".navbar-collapse").collapse('hide');
             $setM_swith=0;} 
        }, 3000);
    });
    $(".navbar-collapse").mouseover(function() {
        $setM_swith=0;
    });
 });

For a certain purpose I did this quick Python function yesterday. It returns domain from URL. It's quick and doesn't need any input file listing stuff. However, I don't pretend it works in all cases, but it really does the job I needed for a simple text mining script.

Output looks like this :

http://www.google.co.uk => google.co.uk
http://24.media.tumblr.com/tumblr_m04s34rqh567ij78k_250.gif => tumblr.com

def getDomain(url):    
        parts = re.split("\/", url)
        match = re.match("([\w\-]+\.)*([\w\-]+\.\w{2,6}$)", parts[2]) 
        if match != None:
            if re.search("\.uk", parts[2]): 
                match = re.match("([\w\-]+\.)*([\w\-]+\.[\w\-]+\.\w{2,6}$)", parts[2])
            return match.group(2)
        else: return ''  

Seems to work pretty well.
However, it has to be modified to remove domain extensions on output as you wished.

In sass (scss):

 button {
  color: white;
  cursor: pointer;
  border-radius: 4px;

  &:disabled{
    opacity: 0.4;

    &:hover{
      opacity: 0.4;  //this is what you want
    }
  }

  &:hover{
    opacity: 0.9;
  }
}

I can't tell from the context you supply, but if it's something you just need to do at app startup, you can still use Server.MapPath in WebApiHttpApplication; e.g. in Application_Start().

I'm just answering your direct question; the already-mentioned HostingEnvironment.MapPath() is probably the preferred solution.

When we give any command, the streams of that command are stored in the memory location called buffer(a temporary memory location) in our computer. When all the temporary memory location is full then we use flush(), which flushes all the streams of data and executes them completely and gives a new space to new streams in buffer temporary location. -Hope you will understand

Using dynamic variable for search in array

 /* https://ideone.com/Pfb0Ou */

$array = array('kitchen', 'bedroom', 'living_room', 'dining_room');

/* variable search */
$search = 'living_room';

if (in_array($search, $array)) {
    echo "this array contains $search";
} else
    echo "this array NOT contains $search";

You can use the os module.

>>> import os
>>> os.getcwd()
'/home/user'
>>> os.chdir("/tmp/")
>>> os.getcwd()
'/tmp'

But if it's about finding other modules: You can set an environment variable called PYTHONPATH, under Linux would be like

export PYTHONPATH=/path/to/my/library:$PYTHONPATH

Then, the interpreter searches also at this place for imported modules. I guess the name would be the same under Windows, but don't know how to change.

edit

Under Windows:

set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib

(taken from http://docs.python.org/using/windows.html)

edit 2

... and even better: use virtualenv and virtualenv_wrapper, this will allow you to create a development environment where you can add module paths as you like (add2virtualenv) without polluting your installation or "normal" working environment.

http://virtualenvwrapper.readthedocs.org/en/latest/command_ref.html

I had similar problem. I needed to write down csv file on driver while I was connect to cluster in client mode.

I wanted to reuse the same CSV parsing code as Apache Spark to avoid potential errors.

I checked spark-csv code and found code responsible for converting dataframe into raw csv RDD[String] in com.databricks.spark.csv.CsvSchemaRDD.

Sadly it is hardcoded with sc.textFile and the end of relevant method.

I copy-pasted that code and removed last lines with sc.textFile and returned RDD directly instead.

My code:

/*
  This is copypasta from com.databricks.spark.csv.CsvSchemaRDD
  Spark's code has perfect method converting Dataframe -> raw csv RDD[String]
  But in last lines of that method it's hardcoded against writing as text file -
  for our case we need RDD.
 */
object DataframeToRawCsvRDD {

  val defaultCsvFormat = com.databricks.spark.csv.defaultCsvFormat

  def apply(dataFrame: DataFrame, parameters: Map[String, String] = Map())
           (implicit ctx: ExecutionContext): RDD[String] = {
    val delimiter = parameters.getOrElse("delimiter", ",")
    val delimiterChar = if (delimiter.length == 1) {
      delimiter.charAt(0)
    } else {
      throw new Exception("Delimiter cannot be more than one character.")
    }

    val escape = parameters.getOrElse("escape", null)
    val escapeChar: Character = if (escape == null) {
      null
    } else if (escape.length == 1) {
      escape.charAt(0)
    } else {
      throw new Exception("Escape character cannot be more than one character.")
    }

    val quote = parameters.getOrElse("quote", "\"")
    val quoteChar: Character = if (quote == null) {
      null
    } else if (quote.length == 1) {
      quote.charAt(0)
    } else {
      throw new Exception("Quotation cannot be more than one character.")
    }

    val quoteModeString = parameters.getOrElse("quoteMode", "MINIMAL")
    val quoteMode: QuoteMode = if (quoteModeString == null) {
      null
    } else {
      QuoteMode.valueOf(quoteModeString.toUpperCase)
    }

    val nullValue = parameters.getOrElse("nullValue", "null")

    val csvFormat = defaultCsvFormat
      .withDelimiter(delimiterChar)
      .withQuote(quoteChar)
      .withEscape(escapeChar)
      .withQuoteMode(quoteMode)
      .withSkipHeaderRecord(false)
      .withNullString(nullValue)

    val generateHeader = parameters.getOrElse("header", "false").toBoolean
    val headerRdd = if (generateHeader) {
      ctx.sparkContext.parallelize(Seq(
        csvFormat.format(dataFrame.columns.map(_.asInstanceOf[AnyRef]): _*)
      ))
    } else {
      ctx.sparkContext.emptyRDD[String]
    }

    val rowsRdd = dataFrame.rdd.map(row => {
      csvFormat.format(row.toSeq.map(_.asInstanceOf[AnyRef]): _*)
    })

    headerRdd union rowsRdd
  }

}

To multiply, use mult for signed multiplication and multu for unsigned multiplication. Note that the result of the multiplication of two 32-bit numbers yields a 64-number. If you want the result back in $v0 that means that you assume the result will fit in 32 bits.

The 32 most significant bits will be held in the HI special register (accessible by mfhi instruction) and the 32 least significant bits will be held in the LO special register (accessible by the mflo instruction):

E.g.:

li $a0, 5
li $a1, 3
mult $a0, $a1
mfhi $a2 # 32 most significant bits of multiplication to $a2
mflo $v0 # 32 least significant bits of multiplication to $v0

To divide, use div for signed division and divu for unsigned division. In this case, the HI special register will hold the remainder and the LO special register will hold the quotient of the division.

E.g.:

div $a0, $a1
mfhi $a2 # remainder to $a2
mflo $v0 # quotient to $v0

Did some experimenting myself here and boy does that Gaussian blur make a nice different. The final command I used was:

mogrify * -sampling-factor 4:2:0 -strip -quality 88 -interlace Plane -define jpeg:dct-method=float -colorspace RGB -gaussian-blur 0.05 

Without the Gaussian blur at 0.05 it was around 261kb, with it it was around 171KB for the image I was testing on. The visual difference on a 1440p monitor with a large complex image is not noticeable until you zoom way way in.

I am an amateur but I found this worked:

.maps iframe {
    position: absolute;
}

body {
    padding-top: 40px;
    padding-bottom: 820px;
    height: available;
}

There may be a bit of whitespace at the bottom but I am satified

If you're using jquery, you can call this right before your radio buttons.

$('input:radio:first').attr('checked', true);

^ This will check the first radio box, but you can look at more jquery to cycle through to the one you want selected.

You cannot display a lot of websites inside an iFrame. Reason being that they send an "X-Frame-Options: SAMEORIGIN" response header. This option prevents the browser from displaying iFrames that are not hosted on the same domain as the parent page. This is a security feature to prevent click-jacking. Some details at How to show google.com in an iframe?

This could be of some help : https://www.maketecheasier.com/create-survey-form-with-google-docs/

Making the WebView ignore motion events is the wrong way to go about it. What if the WebView needs to hear about these events?

Instead subclass WebView and override the non-private scroll methods.

public class NoScrollWebView extends WebView {
    ...
    @Override
    public boolean overScrollBy(int deltaX, int deltaY, int scrollX, int scrollY, 
                                int scrollRangeX, int scrollRangeY, int maxOverScrollX, 
                                int maxOverScrollY, boolean isTouchEvent) {
        return false;
    }

    @Override
    public void scrollTo(int x, int y) {
        // Do nothing
    }

    @Override
    public void computeScroll() {
        // Do nothing
    }
}

If you look at the source for WebView you can see that onTouchEvent calls doDrag which calls overScrollBy.

Not sure if your question was answered.

This will write the time & date every 20 seconds in the file ping_ip.txt. The second to last line just says run the same batch file again, and agan, and again,..........etc.

Does not seem to create multiple instances, so that's a good thing.

@echo %time% %date% >>ping_ip.txt
ping -n 20 -w 3 127.0.0.1 >>ping_ip.txt
This_Batch_FileName.bat
cls

— :: — :: \u2014

When representing the m-dash in a JavaScript text string for output to HTML, note that it will be represented by its unicode value. There are cases when ampersand characters ('&') will not be resolved—notably certain contexts within JSX. In this case, neither — nor — will work. Instead you need to use the Unicode escape sequence: \u2014.

For example, when implementing a render() method to output text from a JavaScript variable:

render() {
   let text='JSX transcoders will preserve the & character—to ' 
            + 'protect from possible script hacking and cross-site hacks.'
   return (
     <div>{text}</div>
   )
}

This will output:

<div>JSX transcoders will preserve the & character&mdash;to protect from possible script hacking and cross-site hacks.</div>

Instead of the &– prefixed representation, you should use \u2014:

let text='JSX transcoders will preserve the & character\u2014to …'

For those experimenting with this in phpMyAdmin, just a word:

phpMyAdmin appears to have a few problems with USING. For the record this is phpMyAdmin run on Linux Mint, version: "4.5.4.1deb2ubuntu2", Database server: "10.2.14-MariaDB-10.2.14+maria~xenial - mariadb.org binary distribution".

I have run SELECT commands using JOIN and USING in both phpMyAdmin and in Terminal (command line), and the ones in phpMyAdmin produce some baffling responses:

1) a LIMIT clause at the end appears to be ignored.
2) the supposed number of rows as reported at the top of the page with the results is sometimes wrong: for example 4 are returned, but at the top it says "Showing rows 0 - 24 (2503 total, Query took 0.0018 seconds.)"

Logging on to mysql normally and running the same queries does not produce these errors. Nor do these errors occur when running the same query in phpMyAdmin using JOIN ... ON .... Presumably a phpMyAdmin bug.

Association is generalized concept of relations. It includes both Composition and Aggregation.

Composition(mixture) is a way to wrap simple objects or data types into a single unit. Compositions are a critical building block of many basic data structures

Aggregation(collection) differs from ordinary composition in that it does not imply ownership. In composition, when the owning object is destroyed, so are the contained objects. In aggregation, this is not necessarily true.

Both denotes relationship between object and only differ in their strength.

Trick to remember the difference : has A -Aggregation and Own - cOmpositoin

Now let observe the following image

Analogy:

Composition: The following picture is image composition i.e. using individual images making one image.

Aggregation : collection of image in single location

For example, A university owns various departments, and each department has a number of professors. If the university closes, the departments will no longer exist, but the professors in those departments will continue to exist. Therefore, a University can be seen as a composition of departments, whereas departments have an aggregation of professors. In addition, a Professor could work in more than one department, but a department could not be part of more than one university.

As simple as joining lists in python itself.

ansible -m debug -a msg="{{ '-'.join(('list', 'joined', 'together')) }}" localhost

localhost | SUCCESS => {
  "msg": "list-joined-together" }

Works the same way using variables:

ansible -m debug -a msg="{{ '-'.join((var1, var2, var3)) }}" localhost

Consume and cache the column value that you want to group by, then push the remaining data as a new subarray of the group you have created in the the result.

function array_group(array $data, $by_column)
{
    $result = [];
    foreach ($data as $item) {
        $column = $item[$by_column];
        unset($item[$by_column]);
        $result[$column][] = $item;
    }
    return $result;
}

Here's another sample using JQuery 1.10.2

$(".chkcc9").on('click', function() {
            $(this)
            .parents('table')
            .find('.group1') 
            .prop('checked', $(this).is(':checked')); 
});

The query either returned no rows or is erroneus, thus FALSE is returned. Change it to

if (!$dbc || mysqli_num_rows($dbc) == 0)

mysqli_num_rows:

Return Values

Returns TRUE on success or FALSE on failure. For SELECT, SHOW, DESCRIBE or EXPLAIN mysqli_query() will return a result object.

Some time you can solve problem through MySQL Administrator wizard. In

Startup variables > Advanced >

and set Def. char Set:utf8

Maybe this config need restart MySQL.

I know this post is very old. I was actually looking for a solution to this myself. Some of the solutions posted work but they're pretty long so I decided to write my own version.

Directory.GetParent("./../..")

Basically what it does is:

1. . = will leave you in the same directory you are currently in.
2. / = in this context, the directory seperator.
3. .. = will move you one directory back (2x).
4. GetParent() = get the parent folder of ./../..

Combining all this together will leave you with: C:\Users\Oushima\Desktop\Homework\OoP\Assignment 1\part 1, (\part 1 being my project folder).

This is what worked for me. It's very similar to .Parent.Parent but shorter. I hope this will help someone else out.

If you want it to 100% return a string datatype then you can put .FullName behind it. Oh, and, don't forget the using System.IO; C# reference.

In addition - control when string array doesn't have elements:

Arrays.stream(from).filter(t -> (t != null)&&!("".equals(t))).map(func).toArray(generator) 

I wonder why String.prototype.concat is not getting any love. In my tests (assuming you already have an array of strings), it outperforms all other methods.

perf.link test

Test code:

const numStrings = 100;
const strings = [...new Array(numStrings)].map(() => Math.random().toString(36).substring(6));

const concatReduce = (strs) => strs.reduce((a, b) => a + b);

const concatLoop = (strs) => {
  let result = ''
  for (let i = 0; i < strings.length; i++) {
    result += strings[i];
  }
  return result;
}

// Case 1: 52,570 ops/s
concatLoop(strings);

// Case 2: 96,450 ops/s
concatReduce(strings)

// Case 3: 138,020 ops/s
strings.join('')

// Case 4: 169,520 ops/s
''.concat(...strings)

You can use a Global Mixin to affect every Vue instance. You can add data to this mixin, making a value/values available to all vue components.

To make that value Read Only, you can use the method described in this Stack Overflow answer.

Here is an example:

// This is a global mixin, it is applied to every vue instance. 
// Mixins must be instantiated *before* your call to new Vue(...)
Vue.mixin({
  data: function() {
    return {
      get globalReadOnlyProperty() {
        return "Can't change me!";
      }
    }
  }
})

Vue.component('child', {
  template: "<div>In Child: {{globalReadOnlyProperty}}</div>"
});

new Vue({
  el: '#app',
  created: function() {
    this.globalReadOnlyProperty = "This won't change it";
  }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.1.3/vue.js"></script>
<div id="app">
  In Root: {{globalReadOnlyProperty}}
  <child></child>
</div>

$html = preg_replace('/\sstyle=("|\').*?("|\')/i', '', $html);

For replacing all style="" with blank.

Missing the main property?

As previous people have answered npm --save ../location-of-your-packages-root-directory. The ../location-of-your-packages-root-directory however must have two things in order for it to work.

1) package.json in that directory pointed towards

2) main property in the package.json must be set and working i.g. "main": "src/index.js", if the entry file for ../location-of-your-packages-root-directory is ../location-of-your-packages-root-directory/src/index.js

1. Include a dependency on spring-boot-configuration-processor
2. Click "Reimport All Maven Projects" in the Maven pane of IDEA
3. Rebuild project

A space in a CSS selector selects child elements.

.btn input

This is basically what you wrote and it would select <input> elements within any element that has the btn class.

I think you're looking for

input[disabled].btn:hover, input[disabled].btn:active, input[disabled].btn:focus

This would select <input> elements with the disabled attribute and the btn class in the three different states of hover, active and focus.

Well here is a solution for you but I don't really understand why it works:

<html><body>
  <div style="width: 200px; border: 1px solid red;">Test</div>
  <div style="width: 200px; border: 1px solid blue; overflow: hidden; height: 1.5em;">My hovercraft is full of eels.  These pretzels are making me thirsty.</div>
  <div style="width: 200px; border: 1px solid yellow; overflow: hidden; height: 1.5em;">
  This_is_a_terrible_example_of_thinking_outside_the_box.
  </div>
  <table style="border: 2px solid black; border-collapse: collapse; width: 200px;"><tr>
   <td style="width:200px; border: 1px solid green; overflow: hidden; height: 1.5em;"><div style="width: 200px; border: 1px solid yellow; overflow: hidden;">
    This_is_a_terrible_example_of_thinking_outside_the_box.
   </div></td>
  </tr></table>
</body></html>

Namely, wrapping the cell contents in a div.

Another solution could be something like following (works depending on your element's display property):

HTML:

<div class="left-align">Left</div>
<div class="right-align">Right</div>

CSS:

.left-align {
  margin-left: 0;
  margin-right: auto;
}
.right-align {
  margin-left: auto;
  margin-right: 0;
}

Here is a simple method I wrote for writing console messages with inline color changes. It only supports one color, but it fits my needs.

// usage: WriteColor("This is my [message] with inline [color] changes.", ConsoleColor.Yellow);
static void WriteColor(string message, ConsoleColor color)
{
    var pieces = Regex.Split(message, @"(\[[^\]]*\])");

    for(int i=0;i<pieces.Length;i++)
    {
        string piece = pieces[i];
        
        if (piece.StartsWith("[") && piece.EndsWith("]"))
        {
            Console.ForegroundColor = color;
            piece = piece.Substring(1,piece.Length-2);          
        }
        
        Console.Write(piece);
        Console.ResetColor();
    }
    
    Console.WriteLine();
}

Add up to Dmitry's answer, if you don't want to handle unique key IDs manually, you can use React.Children.toArray as proposed in the React documentation

React.Children.toArray

Returns the children opaque data structure as a flat array with keys assigned to each child. Useful if you want to manipulate collections of children in your render methods, especially if you want to reorder or slice this.props.children before passing it down.

Note:

React.Children.toArray() changes keys to preserve the semantics of nested arrays when flattening lists of children. That is, toArray prefixes each key in the returned array so that each element’s key is scoped to the input array containing it.

 <div>
    <ul>
      {
        React.Children.toArray(
          this.state.data.map((item, i) => <li>Test</li>)
        )
      }
    </ul>
  </div>

Use executeUpdate() to issue data manipulation statements. executeQuery() is only meant for SELECT queries (i.e. queries that return a result set).

Check out commons math from apache. There is quite a lot there.

This is how I solved the problem:

In main.js of the 'request' module I added one line:

Request.prototype.request = function () {
  var self = this
  self.setMaxListeners(0); // Added line

This defines unlimited listeners http://nodejs.org/docs/v0.4.7/api/events.html#emitter.setMaxListeners

In my code I set the 'maxRedirects' value explicitly:

var options = {uri:headingUri, headers:headerData, maxRedirects:100};

has_key is fast and efficient.

Instead of array use an hash:

valueTo1={"a","b","c"}

if valueTo1.has_key("a"):
        print "Found key in dictionary"

Script blocks DOM load untill it's loaded and executed.

If you place scripts at the end of <body> all of DOM has chance to load and render (page will "display" faster). <script> will have access to all of those DOM elements.

In other hand placing it after <body> start or above will execute script (where there's still no DOM elements).

You are including jQuery which means you can place it wherever you wish and use .ready()

Try this:

class Flonetwork(Object):
    def __init__(self,adj = {},flow={}):
        self.adj = adj
        self.flow = flow

I stumbled in here looking for a similar answer without the "git log" restriction. The answers here didn't give me what I needed but this did so I'll add it in case others find it useful:

git diff --name-only

You can also couple this with standard commit pointers to see what has changed since a particular commit:

git diff --name-only HEAD~3
git diff --name-only develop
git diff --name-only 5890e37..ebbf4c0

This succinctly provides file names only which is great for scripting. For example:

git diff --name-only develop | while read changed_file; do echo "This changed from the develop version: $changed_file"; done

#OR

git diff --name-only develop | xargs tar cvf changes.tar

You can try:

WebElement getmenu= driver.findElement(By.xpath("//*[@id='ui-id-2']/span[2]")); //xpath the parent

Actions act = new Actions(driver);
act.moveToElement(getmenu).perform();

Thread.sleep(3000);
WebElement clickElement= driver.findElement(By.linkText("Sofa L"));//xpath the child
act.moveToElement(clickElement).click().perform();

If you had case the web have many category, use the first method. For menu you wanted, you just need the second method.

In addition to what Angular University said above you may want to use @Import to aggregate @Configuration classes to the other class (AuthenticationController in my case) :

@Import(SecurityConfig.class)
@RestController
public class AuthenticationController {
@Autowired
private AuthenticationManager authenticationManager;
//some logic
}

Spring doc about Aggregating @Configuration classes with @Import: link

On most POSIX systems, it is ignored. But, check your system to be sure.

XNU

The mode string can also include the letter 'b' either as last character or as a character between the characters in any of the two-character strings described above. This is strictly for compatibility with ISO/IEC 9899:1990 ('ISO C90') and has no effect; the 'b' is ignored.

Linux

The mode string can also include the letter 'b' either as a last character or as a character between the characters in any of the two- character strings described above. This is strictly for compatibility with C89 and has no effect; the 'b' is ignored on all POSIX conforming systems, including Linux. (Other systems may treat text files and binary files differently, and adding the 'b' may be a good idea if you do I/O to a binary file and expect that your program may be ported to non-UNIX environments.)

The request body is available as byte stream by HttpServletRequest#getInputStream():

InputStream body = request.getInputStream();
// ...

Or as character stream by HttpServletRequest#getReader():

Reader body = request.getReader();
// ...

Note that you can read it only once. The client ain't going to resend the same request multiple times. Calling getParameter() and so on will implicitly also read it. If you need to break down parameters later on, you've got to store the body somewhere and process yourself.

One option is to just double click the page break line and Google will automatically removed them.

For reference: https://www.youtube.com/watch?v=5Qq3KxGHm3g

A "method" is a "subroutine" is a "procedure" is a "function" is a "subprogram" is a ... The same concept goes under many different names, but basically is a named segment of code that you can "call" from some other code. Generally the code is neatly packaged somehow, with a "header" of some sort which gives its name and parameters and a "body" set off by BEGIN & END or { & } or some such.

A "consrtructor" is a special form of method whose purpose is to initialize an instance of a class or structure.

In Java a method's header is <qualifiers> <return type> <method name> ( <parameter type 1> <parameter name 1>, <parameter type 2> <parameter name 2>, ...) <exceptions> and a method body is bracketed by {}.

And you can tell a constructor from other methods because the constructor has the class name for its <method name> and has no declared <return type>.

(In Java, of course, you create a new class instance with the new operator -- new <class name> ( <parameter list> ).)

I've just installed 64 bit Node.js v0.12.0 for Windows 8.1 from here. It's about 8MB and since it's an MSI you just double click to launch. It will automatically set up your environment paths etc.

Then to get the command line it's just [Win-Key]+[S] for search and then enter "node.js" as your search phrase.

Choose the Node.js Command Prompt entry NOT the Node.js entry.

Both will given you a command prompt but only the former will actually work. npm is built into that download so then just npm -whatever at prompt.

Should be easy to find in the javadocs...

byte[] byteArr = new byte[] { 0xC, 0xA, 0xF, 0xE };
InputStream is = new ByteArrayInputStream(byteArr);

Why don't you just save/serve the CSS file as UTF-8?

nav a:hover:after {
    content: "?";
}

If that's not good enough, and you want to keep it all-ASCII:

nav a:hover:after {
    content: "\2193";
}

The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digits. You can leave out leading 0 digits when the Unicode character is the last character in the string or when you add a space after the Unicode character. See the spec below for full details.

Relevant part of the CSS2 spec:

Third, backslash escapes allow authors to refer to characters they cannot easily put in a document. In this case, the backslash is followed by at most six hexadecimal digits (0..9A..F), which stand for the ISO 10646 ([ISO10646]) character with that number, which must not be zero. (It is undefined in CSS 2.1 what happens if a style sheet does contain a character with Unicode codepoint zero.) If a character in the range [0-9a-fA-F] follows the hexadecimal number, the end of the number needs to be made clear. There are two ways to do that:

1. with a space (or other white space character): "\26 B" ("&B"). In this case, user agents should treat a "CR/LF" pair (U+000D/U+000A) as a single white space character.
2. by providing exactly 6 hexadecimal digits: "\000026B" ("&B")

In fact, these two methods may be combined. Only one white space character is ignored after a hexadecimal escape. Note that this means that a "real" space after the escape sequence must be doubled.

If the number is outside the range allowed by Unicode (e.g., "\110000" is above the maximum 10FFFF allowed in current Unicode), the UA may replace the escape with the "replacement character" (U+FFFD). If the character is to be displayed, the UA should show a visible symbol, such as a "missing character" glyph (cf. 15.2, point 5).

• Note: Backslash escapes are always considered to be part of an identifier or a string (i.e., "\7B" is not punctuation, even though "{" is, and "\32" is allowed at the start of a class name, even though "2" is not).
  The identifier "te\st" is exactly the same identifier as "test".

Comprehensive list: Unicode Character 'DOWNWARDS ARROW' (U+2193).

I realize this is an older post, but thought this might be helpful to anyone wondering the same question:

While the previous answers are no doubt valid, there is a more simple reason for the distinction between textarea and input.

As mentioned previously, HTML is used to describe and give as much semantic structure to web content as possible, including input forms. A textarea may be used for input, however a textarea can also be marked as read only via the readonly attribute. The existence of such an attribute would not make any sense for an input type, and thus the distinction.

I've found lots of posts across the web on the various ways to do the request, but none that actually show how to process the response synchronously on AWS Lambda.

Here's a Node 6.10.3 lambda function that uses an https request, collects and returns the full body of the response, and passes control to an unlisted function processBody with the results. I believe http and https are interchangable in this code.

I'm using the async utility module, which is easier to understand for newbies. You'll need to push that to your AWS Stack to use it (I recommend the serverless framework).

Note that the data comes back in chunks, which are gathered in a global variable, and finally the callback is called when the data has ended.

'use strict';

const async = require('async');
const https = require('https');

module.exports.handler = function (event, context, callback) {

    let body = "";
    let countChunks = 0;

    async.waterfall([
        requestDataFromFeed,
        // processBody,
    ], (err, result) => {
        if (err) {
            console.log(err);
            callback(err);
        }
        else {
            const message = "Success";
            console.log(result.body);
            callback(null, message);
        }
    });

    function requestDataFromFeed(callback) {
        const url = 'https://put-your-feed-here.com';
        console.log(`Sending GET request to ${url}`);
        https.get(url, (response) => {
            console.log('statusCode:', response.statusCode);
            response.on('data', (chunk) => {
                countChunks++;
                body += chunk;
            });
            response.on('end', () => {
                const result = {
                    countChunks: countChunks,
                    body: body
                };
                callback(null, result);
            });
        }).on('error', (err) => {
            console.log(err);
            callback(err);
        });
    }
};

I suppose your dictMap is of type HashMap, which makes it default to HashMap<Object, Object>. If you want it to be more specific, declare it as HashMap<String, ArrayList>, or even better, as HashMap<String, ArrayList<T>>

I am facing the same issue, I am able to hide android keyboard even focus is in textbox by just adding one css property

<input type="text" style="pointer-events:none" />

and it works fine...

Use ClassLoader.getResource() to find the URL for your current class.

For example:

package foo;

public class Test
{
    public static void main(String[] args)
    {
        ClassLoader loader = Test.class.getClassLoader();
        System.out.println(loader.getResource("foo/Test.class"));
    }
}

(This example taken from a similar question.)

To find the directory, you'd then need to take apart the URL manually. See the JarClassLoader tutorial for the format of a jar URL.

check the speling and Upper/Lower case of term ""

when ever we write @RenderSection("name", required: false) make sure that the razor view Contains a section @section name{} so check the speling and Upper/Lower case of term "" Correct in this case is "Scripts"

I also came across the same error. Here is the fix: If you are using Cmake-GUI:

1. Clean the cache of the loaded libraries in Cmake-GUI File menu.
2. Configure the libraries.
3. Generate the Unix file.

If you missed the 3rd step:

*** No rule to make target `install'. Stop.

error will occur.

.so files are dynamic libraries. The suffix stands for "shared object", because all the applications that are linked with the library use the same file, rather than making a copy in the resulting executable.

.a files are static libraries. The suffix stands for "archive", because they're actually just an archive (made with the ar command -- a predecessor of tar that's now just used for making libraries) of the original .o object files.

.la files are text files used by the GNU "libtools" package to describe the files that make up the corresponding library. You can find more information about them in this question: What are libtool's .la file for?

Static and dynamic libraries each have pros and cons.

Static pro: The user always uses the version of the library that you've tested with your application, so there shouldn't be any surprising compatibility problems.

Static con: If a problem is fixed in a library, you need to redistribute your application to take advantage of it. However, unless it's a library that users are likely to update on their own, you'd might need to do this anyway.

Dynamic pro: Your process's memory footprint is smaller, because the memory used for the library is amortized among all the processes using the library.

Dynamic pro: Libraries can be loaded on demand at run time; this is good for plugins, so you don't have to choose the plugins to be used when compiling and installing the software. New plugins can be added on the fly.

Dynamic con: The library might not exist on the system where someone is trying to install the application, or they might have a version that's not compatible with the application. To mitigate this, the application package might need to include a copy of the library, so it can install it if necessary. This is also often mitigated by package managers, which can download and install any necessary dependencies.

Dynamic con: Link-Time Optimization is generally not possible, so there could possibly be efficiency implications in high-performance applications. See the Wikipedia discussion of WPO and LTO.

Dynamic libraries are especially useful for system libraries, like libc. These libraries often need to include code that's dependent on the specific OS and version, because kernel interfaces have changed. If you link a program with a static system library, it will only run on the version of the OS that this library version was written for. But if you use a dynamic library, it will automatically pick up the library that's installed on the system you run on.

UPDATED for Swift 4: (credit to Marco Weber)

if let requestUrl = NSURL(string: "http://www.iSecurityPlus.com") {
     UIApplication.shared.openURL(requestUrl as URL) 
}

OR go with more of swift style using guard:

guard let requestUrl = NSURL(string: "http://www.iSecurityPlus.com") else {
    return
}

UIApplication.shared.openURL(requestUrl as URL) 

Swift 3:

You can check NSURL as optional implicitly by:

if let requestUrl = NSURL(string: "http://www.iSecurityPlus.com") {
     UIApplication.sharedApplication().openURL(requestUrl)
}

If you are using a Dockerfile, try:

ENTRYPOINT ["tail", "-f", "/dev/null"]

(Obviously this is for dev purposes only, you shouldn't need to keep a container alive unless it's running a process eg. nginx...)

• public means you can access the class from anywhere in the class/object or outside of the package or class
• static means constant in which block of statement used only 1 time
• void means no return type

[Updated (previous answer no longer applied)]

For fetching the latest version:

sudo add-apt-repository ppa:longsleep/golang-backports
sudo apt update
sudo apt install golang-go

Also see the wiki

import matplotlib.pyplot as plt

fig, ax = plt.subplots(2, 2)

ax[0, 0].plot(range(10), 'r') #row=0, col=0
ax[1, 0].plot(range(10), 'b') #row=1, col=0
ax[0, 1].plot(range(10), 'g') #row=0, col=1
ax[1, 1].plot(range(10), 'k') #row=1, col=1
plt.show()

url_for in Flask is used for creating a URL to prevent the overhead of having to change URLs throughout an application (including in templates). Without url_for, if there is a change in the root URL of your app then you have to change it in every page where the link is present.

Syntax: url_for('name of the function of the route','parameters (if required)')

It can be used as:

@app.route('/index')
@app.route('/')
def index():
    return 'you are in the index page'

Now if you have a link the index page:you can use this:

<a href={{ url_for('index') }}>Index</a>

You can do a lot o stuff with it, for example:

@app.route('/questions/<int:question_id>'):    #int has been used as a filter that only integer will be passed in the url otherwise it will give a 404 error
def find_question(question_id):  
    return ('you asked for question{0}'.format(question_id))

For the above we can use:

<a href = {{ url_for('find_question' ,question_id=1) }}>Question 1</a>

Like this you can simply pass the parameters!