Since Dijkstra is a Greedy approach, once a vertice is marked as visited for this loop, it would never be reevaluated again even if there's another path with less cost to reach it later on. And such issue could only happen when negative edges exist in the graph.

A greedy algorithm, as the name suggests, always makes the choice that seems to be the best at that moment. Assume that you have an objective function that needs to be optimized (either maximized or minimized) at a given point. A Greedy algorithm makes greedy choices at each step to ensure that the objective function is optimized. The Greedy algorithm has only one shot to compute the optimal solution so that it never goes back and reverses the decision.

"pop"ing the first element of an Array is called "shift" ("unshift" being the operation of adding one element in front of the array).

$(this).parent().css('z-index',3000);

Looking for solution to this problem as well. see something here: http://developer.android.com/training/volley/request.html

is it a good idea to directly use ImageRequest instead of ImageLoader? Seems ImageLoader uses it internally anyway. Does it miss anything important other than ImageLoader's cache support?

ImageView mImageView;
String url = "http://i.imgur.com/7spzG.png";
mImageView = (ImageView) findViewById(R.id.myImage);
...

// Retrieves an image specified by the URL, displays it in the UI.
mRequestQueue = Volley.newRequestQueue(context);;
ImageRequest request = new ImageRequest(url,
  new Response.Listener() {
      @Override
      public void onResponse(Bitmap bitmap) {
          mImageView.setImageBitmap(bitmap);
      }
  }, 0, 0, null,
  new Response.ErrorListener() {
      public void onErrorResponse(VolleyError error) {
          mImageView.setImageResource(R.drawable.image_load_error);
      }
  })   {
    @Override
    public Map<String, String> getHeaders() throws AuthFailureError {
        Map<String, String> params = new Map<String, String>();
        params.put("User-Agent", "one");
        params.put("header22", "two");

        return params;
    };
mRequestQueue.add(request);

You can use this code to retrieve values from multiple select combo box

HTML:

<form action="c3.php" method="post">
  <select name="ary[]" multiple="multiple">
    <option value="Option 1" >Option 1</option>
    <option value="Option 2">Option 2</option>
    <option value="Option 3">Option 3</option>
    <option value="Option 4">Option 4</option>
    <option value="Option 5">Option 5</option>
  </select>
  <input type="submit">
</form>

PHP:

<?php
$values = $_POST['ary'];

foreach ($values as $a){
    echo $a;
}
?>

Sorry for only commenting in the first place, but i'm posting almost every day a similar comment since many people think that it would be smart to encapsulate ADO.NET functionality into a DB-Class(me too 10 years ago). Mostly they decide to use static/shared objects since it seems to be faster than to create a new object for any action.

That is neither a good idea in terms of peformance nor in terms of fail-safety.

Don't poach on the Connection-Pool's territory

There's a good reason why ADO.NET internally manages the underlying Connections to the DBMS in the ADO-NET Connection-Pool:

In practice, most applications use only one or a few different configurations for connections. This means that during application execution, many identical connections will be repeatedly opened and closed. To minimize the cost of opening connections, ADO.NET uses an optimization technique called connection pooling.

Connection pooling reduces the number of times that new connections must be opened. The pooler maintains ownership of the physical connection. It manages connections by keeping alive a set of active connections for each given connection configuration. Whenever a user calls Open on a connection, the pooler looks for an available connection in the pool. If a pooled connection is available, it returns it to the caller instead of opening a new connection. When the application calls Close on the connection, the pooler returns it to the pooled set of active connections instead of closing it. Once the connection is returned to the pool, it is ready to be reused on the next Open call.

So obviously there's no reason to avoid creating,opening or closing connections since actually they aren't created,opened and closed at all. This is "only" a flag for the connection pool to know when a connection can be reused or not. But it's a very important flag, because if a connection is "in use"(the connection pool assumes), a new physical connection must be openend to the DBMS what is very expensive.

So you're gaining no performance improvement but the opposite. If the maximum pool size specified (100 is the default) is reached, you would even get exceptions(too many open connections ...). So this will not only impact the performance tremendously but also be a source for nasty errors and (without using Transactions) a data-dumping-area.

If you're even using static connections you're creating a lock for every thread trying to access this object. ASP.NET is a multithreading environment by nature. So theres a great chance for these locks which causes performance issues at best. Actually sooner or later you'll get many different exceptions(like your ExecuteReader requires an open and available Connection).

Conclusion:

• Don't reuse connections or any ADO.NET objects at all.
• Don't make them static/shared(in VB.NET)
• Always create, open(in case of Connections), use, close and dispose them where you need them(f.e. in a method)
• use the using-statement to dispose and close(in case of Connections) implicitely

That's true not only for Connections(although most noticable). Every object implementing IDisposable should be disposed(simplest by using-statement), all the more in the System.Data.SqlClient namespace.

All the above speaks against a custom DB-Class which encapsulates and reuse all objects. That's the reason why i commented to trash it. That's only a problem source.

Edit: Here's a possible implementation of your retrievePromotion-method:

public Promotion retrievePromotion(int promotionID)
{
    Promotion promo = null;
    var connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["MainConnStr"].ConnectionString;
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        var queryString = "SELECT PromotionID, PromotionTitle, PromotionURL FROM Promotion WHERE PromotionID=@PromotionID";
        using (var da = new SqlDataAdapter(queryString, connection))
        {
            // you could also use a SqlDataReader instead
            // note that a DataTable does not need to be disposed since it does not implement IDisposable
            var tblPromotion = new DataTable();
            // avoid SQL-Injection
            da.SelectCommand.Parameters.Add("@PromotionID", SqlDbType.Int);
            da.SelectCommand.Parameters["@PromotionID"].Value = promotionID;
            try
            {
                connection.Open(); // not necessarily needed in this case because DataAdapter.Fill does it otherwise 
                da.Fill(tblPromotion);
                if (tblPromotion.Rows.Count != 0)
                {
                    var promoRow = tblPromotion.Rows[0];
                    promo = new Promotion()
                    {
                        promotionID    = promotionID,
                        promotionTitle = promoRow.Field<String>("PromotionTitle"),
                        promotionUrl   = promoRow.Field<String>("PromotionURL")
                    };
                }
            }
            catch (Exception ex)
            {
                // log this exception or throw it up the StackTrace
                // we do not need a finally-block to close the connection since it will be closed implicitely in an using-statement
                throw;
            }
        }
    }
    return promo;
}

You may try below code...

$(document).ready(function(){_x000D_
    $('form').find('input[type=text],textarea,select').filter(':visible:first').focus();_x000D_
})

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>_x000D_
<form>_x000D_
<input type="text" />_x000D_
<input type="text" />_x000D_
<input type="text" />_x000D_
<input type="text" />_x000D_
<input type="text" />_x000D_
    _x000D_
<input type="submit" />_x000D_
</form>

pip has a --no-dependencies switch. You should use that.

For more information, run pip install -h, where you'll see this line:

--no-deps, --no-dependencies
                        Ignore package dependencies

You don't need jQuery for this. Here's a simple working example:

<!DOCTYPE html>
<html>
    <head>
        <title>box-shadow-experiment</title>
        <style type="text/css">
            #box-shadow-div{
                position: fixed;
                width: 1px;
                height: 1px;
                border-radius: 100%;
                background-color:black;
                box-shadow: 0 0 10px 10px black;
                top: 49%;
                left: 48.85%;
            }
        </style>
        <script type="text/javascript">
            window.onload = function(){
                var bsDiv = document.getElementById("box-shadow-div");
                var x, y;
    // On mousemove use event.clientX and event.clientY to set the location of the div to the location of the cursor:
                window.addEventListener('mousemove', function(event){
                    x = event.clientX;
                    y = event.clientY;                    
                    if ( typeof x !== 'undefined' ){
                        bsDiv.style.left = x + "px";
                        bsDiv.style.top = y + "px";
                    }
                }, false);
            }
        </script>
    </head>
    <body>
        <div id="box-shadow-div"></div>
    </body>
</html>

I chose position: fixed; so scrolling wouldn't be an issue.

Now in Python >= 3.3 you can just call the timestamp() method to get the timestamp as a float.

import datetime
current_time = datetime.datetime.now(datetime.timezone.utc)
unix_timestamp = current_time.timestamp() # works if Python >= 3.3

unix_timestamp_plus_5_min = unix_timestamp + (5 * 60)  # 5 min * 60 seconds

i had the same problem, i fixed it by removing the transform:translateY CSS i placed on the footer of the page.

I think the nearest in the .NET Framework is

string.Split()

You could run the data file through cat -v, e.g

$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M

which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.

-v simply tells cat to display non-printing characters.

You can attain this using the CSS Flexbox. You just need to apply 3 properties to the parent element to get everything working.

#outer {
  display: flex;
  align-content: center;
  justify-content: center;
}

Have a look at the code below this will make you understand the properties much better.

Get to know more about CSS Flexbox

#outer {_x000D_
  display: flex;_x000D_
  align-items: center;_x000D_
  justify-content: center;_x000D_
  border: 1px solid #ddd;_x000D_
  width: 100%;_x000D_
  height: 200px;_x000D_
 }

<div id="outer">  _x000D_
  <div id="inner">Foo foo</div>_x000D_
</div>

Call JObject's ToString(Formatting.None) method.

Alternatively if you pass the object to the JsonConvert.SerializeObject method it will return the JSON without formatting.

Documentation: Write JSON text with JToken.ToString

Click Search --> Replace --> Find What: \0 Replace with: "empty" Search mode: Extended --> Replace all

My solution for similar sort problem using ECMA 6

var library = [_x000D_
        {name: 'Steve', course:'WAP', courseID: 'cs452'}, _x000D_
        {name: 'Rakesh', course:'WAA', courseID: 'cs545'},_x000D_
        {name: 'Asad', course:'SWE', courseID: 'cs542'},_x000D_
];_x000D_
_x000D_
const sorted_by_name = library.sort( (a,b) => a.name > b.name );_x000D_
_x000D_
for(let k in sorted_by_name){_x000D_
    console.log(sorted_by_name[k]);_x000D_
}

If you are using in NodeJS then you can set timeout in package.json

"test": "mocha --timeout 10000"

then you can run using npm like:

npm test

String basePath = new File("myFile.txt").getAbsolutePath(); this basepath you can use as the correct path of your file

I use this with fold in indent mode :

v open Visual mode anywhere on the block

zaza toogle it twice

On top of the answers already given, to open a new tab the javascript command window.open() can be used.

For example:

# Opens a new tab
self.driver.execute_script("window.open()")

# Switch to the newly opened tab
self.driver.switch_to.window(self.driver.window_handles[1])

# Navigate to new URL in new tab
self.driver.get("https://google.com")
# Run other commands in the new tab here

You're then able to close the original tab as follows

# Switch to original tab
self.driver.switch_to.window(self.driver.window_handles[0])

# Close original tab
self.driver.close()

# Switch back to newly opened tab, which is now in position 0
self.driver.switch_to.window(self.driver.window_handles[0])

Or close the newly opened tab

# Close current tab
self.driver.close()

# Switch back to original tab
self.driver.switch_to.window(self.driver.window_handles[0])

Hope this helps.

not sure if it'll work in your scenario, but try adding the following to your web.config under <system.web>:

  <system.web>
    <customErrors mode="Off" />
  ...
  </system.web>

works in my instance.

also see:

CustomErrors mode="Off"

$string = trim(preg_replace('/\s+/','',$string));

To produce the output in your comment to your post, this will do it:

use strict;
use warnings;

my @other_array = (0,0,0,1,2,2,3,3,3,4);
my @array;
my %uniqs;

$uniqs{$_}++ for @other_array;

foreach (keys %uniqs) { $array[$_]=$uniqs{$_} }

print "array[$_] = $array[$_]\n" for (0..$#array);

Output:

   array[0] = 3
   array[1] = 1
   array[2] = 2
   array[3] = 3
   array[4] = 1

This is different than your stated algorithm of producing a parallel array with zero values, but it is a more Perly way of doing it...

If you must have a parallel array that is the same size as your first array with the elements initialized to 0, this statement will dynamically do it: @array=(0) x scalar(@other_array); but really, you don't need to do that.

For finding flash memory defects, I had to write this script which shows all 1K blocks which contain differences (not only the first one as cmp -b does)

#!/bin/sh

f1=testinput.dat
f2=testoutput.dat

size=$(stat -c%s $f1)
i=0
while [ $i -lt $size ]; do
  if ! r="`cmp -n 1024 -i $i -b $f1 $f2`"; then
    printf "%8x: %s\n" $i "$r"
  fi
  i=$(expr $i + 1024)
done

Output:

   2d400: testinput.dat testoutput.dat differ: byte 3, line 1 is 200 M-^@ 240 M- 
   2dc00: testinput.dat testoutput.dat differ: byte 8, line 1 is 327 M-W 127 W
   4d000: testinput.dat testoutput.dat differ: byte 37, line 1 is 270 M-8 260 M-0
   4d400: testinput.dat testoutput.dat differ: byte 19, line 1 is  46 &  44 $

Disclaimer: I hacked the script in 5 min. It doesn't support command line arguments nor does it support spaces in file names

Great way of implementing Camera session in Swift 5, iOS 13

https://github.com/egzonpllana/CameraSession

Camera Session is an iOS app that tries to make the simplest possible way of implementation of AVCaptureSession.

Through the app you can find these camera session implemented:

• Native camera to take a picture or record a video.
• Native way of importing photos and videos.
• The custom way to select assets like photos and videos, with an option to select one or more assets from the Library.
• Custom camera to take a photo(s) or video(s), with options to hold down the button and record.
• Separated camera permission requests.

The custom camera features like torch and rotate camera options.

I had the same issue, I just have to remove the HTTP protocol from the URL. That's it.

I hope it works for you.

printf

1. printf is used to perform output on the screen.
2. syntax = printf("control string ", argument );
3. It is not associated with File input/output

fprintf

1. The fprintf it used to perform write operation in the file pointed to by FILE handle.
2. The syntax is fprintf (filename, "control string ", argument );
3. It is associated with file input/output

I know this is a total hack but thought I should add this sample open source audio library I put on github awhile ago...

https://github.com/run-time/jThump

After clicking the link below, type on the home row keys to play a blues riff (also type multiple keys at the same time etc.)

Sample using jThump library >> http://davealger.com/apps/jthump/

It basically works by making invisible <iframe> elements that load a page that plays a sound onReady().

This is certainly not ideal but you could +1 this solution based on creativity alone (and the fact that it is open source and works in any browser that I've tried it on) I hope this gives someone else searching some ideas at least.

:)

If you a running Jupyter/Ipython notebook and having problems using;

ax = df1.plot()

df2.plot(ax=ax)

Run the command inside of the same cell!! It wont, for some reason, work when they are separated into sequential cells. For me at least.

I'll explain what you need to know on the example below:

{
  "/folder/sub-folder/*": {
    "target": "http://localhost:1100",
    "secure": false,
    "pathRewrite": {
      "^/folder/sub-folder/": "/new-folder/"
    },
    "changeOrigin": true,
    "logLevel": "debug"
  }
}

1. /folder/sub-folder/*: path says: When I see this path inside my angular app (the path can be stored anywhere) I want to do something with it. The * character indicates that everything that follows the sub-folder will be included. For instance, if you have multiple fonts inside /folder/sub-folder/, the * will pick up all of them

2. "target": "http://localhost:1100" for the path above make target URL the host/source, therefore in the background we will have http://localhost:1100/folder/sub-folder/

3. "pathRewrite": { "^/folder/sub-folder/": "/new-folder/" }, Now let's say that you want to test your app locally, the url http://localhost:1100/folder/sub-folder/ may contain an invalid path: /folder/sub-folder/. You want to change that path to a correct one which is http://localhost:1100/new-folder/, therefore the pathRewrite will become useful. It will exclude the path in the app(left side) and include the newly written one (right side)

4. "secure": represents wether we are using http or https. If https is used in the target attribute then set secure attribute to true otherwise set it to false

5. "changeOrigin": option is only necessary if your host target is not the current environment, for example: localhost. If you want to change the host to www.something.com which would be the target in the proxy then set the changeOrigin attribute to "true":

6. "logLevel": attribute specifies wether the developer wants to display proxying on his terminal/cmd, hence he would use the "debug" value as shown in the image

In general, the proxy helps in developing the application locally. You set your file paths for production purpose and if you have all these files locally inside your project you may just use proxy to access them without changing the path dynamically in your app.

If it works, you should see something like this in your cmd/terminal.

Just struggled with Visutal Studio 2017 Community Edition - none of above options worked for me. In my case what i had to do was:

1. Run MySQL Installer and install/upgrade: Connector/NET and MySQL for Visual Studio to current versions (8.0.17 and 1.2.8 at the time)

2. Run Visual Studio Installer > Visual Studio Community 2017 > Modify > Individual components > add .NET Framework Targeting Packs for 4.6.2, 4.7, 4.7.1 and 4.7.2

3. Reopen project and change project target platform to 4.7.2

4. Remove all MySQL-related nuGET packages and references

5. Install following nuGET packages: EntityFramework, MySql.Data.Entity, Mysql.Data.Entities

6. Upgrade following nuGET packages: MySql.Data, BouncyCastle nad Google.Protobuf (for some reason there is an update available just after install)

I am currently in Tokyo, and I used to be in Switzerland. Yet, my location until some days ago was not pinpinted exactly, except in the broad Tokyo area. Today I tried, and I appear to be in Switzerland. How?

Well the secret is that I am now connected through wireless, and my wireless router has been identified (thanks to association to other wifis around me at that time) in a very accurate area in Switzerland. Now, my wifi moved to Tokyo, but the queried system still thinks the wifi router is in Switzerland, because either it has no information about the additional wifis surrounding me right now, or it cannot sort out the conflicting info (namely, the specific info about my wifi router against my ip geolocation, which pinpoints me in the far east).

So, to answer your question, google, or someone for him, did "wardriving" around, mapping the wifi presence. Every time a query is performed to the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:

1. queries its database if geolocation exists for some of the wifis you passed, and returns the "wardrived" position if found, eventually with triangulation if intensities are present. The more wifi networks around, the higher is the accuracy of the positioning.
2. adds additional networks you see that are currently not in the database to their database, so they can be reused later.

As you see, the system builds up by itself. The only thing you need is good seeding. After that, it extends in "50 meters chunks" (the range of a newly found wifi connection).

Of course, if you really want the system go banana, you can start exchanging wifi routers around the globe with fellow revolutionaries of the no-global-positioning movement.

IntentService

IntentService runs on its own thread. It will stop itself when it's done. More like fire and forget. Subsequent calls will be queued. Good for queuing calls. You can also spin multiple threads within IntentServiceif you need to- You can achieve this using ThreadPoolExecutor. I say this because many people asked me "why use IntentService since it doesn't support parallel execution". IntentService is just a thread. You can do whatever you need inside it- Even spinning multiple threads. The only caveat is that IntentService finishes as soon as you spin those multiple threads. It doesn't wait for those threads to come back. You need to take care of this. So I recommend using ThreadPoolExecutor in those scenarios.

• Good for Syncing, uploading etc …

Service

By Default Service runs on the main thread. You need to spin a worker thread to do your job. You need to stop service explicitly. I used it for a situation when you need to run stuff in the background even when you move away from your app and come back more for a Headless service.

• Again you can run multiple threads if you need to.
• Can be used for apps like music players.

You can always communicate back to your activity using BroadcastReceivers if you need to.

I would make use of capture groups in regex:

$ string="hello-world"
$ prefix="hell"
$ suffix="ld"
$ set +H # Disables history substitution, can be omitted in scripts.
$ perl -pe "s/${prefix}((?:(?!(${suffix})).)*)${suffix}/\1/" <<< $string
o-wor
$ string1=$string$string
$ perl -pe "s/${prefix}((?:(?!(${suffix})).)*)${suffix}/\1/g" <<< $string1
o-woro-wor

((?:(?!(${suffix})).)*) makes sure that the content of ${suffix} will be excluded from the capture group. In terms of example, it's the string equivalent to [^A-Z]*. Otherwise you will get:

$ perl -pe "s/${prefix}(.*)${suffix}/\1/g" <<< $string1
o-worldhello-wor

        Object AccountObject = _dbContext.Accounts
                                   .Join(_dbContext.Users, acc => acc.AccountId, usr => usr.AccountId, (acc, usr) => new { acc, usr })
                                   .Where(x => x.usr.EmailAddress == key1)
                                   .Where(x => x.usr.Hash == key2)
                                   .Select(x => new { AccountId = x.acc.AccountId, Name = x.acc.Name })
                                   .SingleOrDefault();

It is worth noting that you can build upon Gavin Toweys answer by using multiple fields from across your query such as

SUM(table.field = 1 AND table2.field = 2)

You can also use this syntax for COUNT and I am sure other functions as well.

Make the source sheet visible before copying. Then copy the sheet so that the copy also stays visible. The copy will then be the active sheet. If you want, hide the source sheet again.

groupByKey:

Syntax:

sparkContext.textFile("hdfs://")
                    .flatMap(line => line.split(" ") )
                    .map(word => (word,1))
                    .groupByKey()
                    .map((x,y) => (x,sum(y)))

groupByKey can cause out of disk problems as data is sent over the network and collected on the reduce workers.

reduceByKey:

Syntax:

sparkContext.textFile("hdfs://")
                    .flatMap(line => line.split(" "))
                    .map(word => (word,1))
                    .reduceByKey((x,y)=> (x+y))

Data are combined at each partition, only one output for one key at each partition to send over the network. reduceByKey required combining all your values into another value with the exact same type.

aggregateByKey:

same as reduceByKey, which takes an initial value.

3 parameters as input i. initial value ii. Combiner logic iii. sequence op logic

Example:

val keysWithValuesList = Array("foo=A", "foo=A", "foo=A", "foo=A", "foo=B", "bar=C", "bar=D", "bar=D")
    val data = sc.parallelize(keysWithValuesList)
    //Create key value pairs
    val kv = data.map(_.split("=")).map(v => (v(0), v(1))).cache()
    val initialCount = 0;
    val addToCounts = (n: Int, v: String) => n + 1
    val sumPartitionCounts = (p1: Int, p2: Int) => p1 + p2
    val countByKey = kv.aggregateByKey(initialCount)(addToCounts, sumPartitionCounts)

ouput: Aggregate By Key sum Results bar -> 3 foo -> 5

combineByKey:

3 parameters as input

1. Initial value: unlike aggregateByKey, need not pass constant always, we can pass a function that will return a new value.
2. merging function
3. combine function

Example:

val result = rdd.combineByKey(
                        (v) => (v,1),
                        ( (acc:(Int,Int),v) => acc._1 +v , acc._2 +1 ) ,
                        ( acc1:(Int,Int),acc2:(Int,Int) => (acc1._1+acc2._1) , (acc1._2+acc2._2)) 
                        ).map( { case (k,v) => (k,v._1/v._2.toDouble) })
        result.collect.foreach(println)

reduceByKey,aggregateByKey,combineByKey preferred over groupByKey

Reference: Avoid groupByKey

It has limitation that not collapsing long inline whitespace, but it is definitely portable and respects layout like webbrowser.

static string HtmlToPlainText(string html) {
  string buf;
  string block = "address|article|aside|blockquote|canvas|dd|div|dl|dt|" +
    "fieldset|figcaption|figure|footer|form|h\\d|header|hr|li|main|nav|" +
    "noscript|ol|output|p|pre|section|table|tfoot|ul|video";

  string patNestedBlock = $"(\\s*?</?({block})[^>]*?>)+\\s*";
  buf = Regex.Replace(html, patNestedBlock, "\n", RegexOptions.IgnoreCase);

  // Replace br tag to newline.
  buf = Regex.Replace(buf, @"<(br)[^>]*>", "\n", RegexOptions.IgnoreCase);

  // (Optional) remove styles and scripts.
  buf = Regex.Replace(buf, @"<(script|style)[^>]*?>.*?</\1>", "", RegexOptions.Singleline);

  // Remove all tags.
  buf = Regex.Replace(buf, @"<[^>]*(>|$)", "", RegexOptions.Multiline);

  // Replace HTML entities.
  buf = WebUtility.HtmlDecode(buf);
  return buf;
}

In latest version Python 3.6.2 and above, is available in

C:\Program Files (x86)\Python36-32\Scripts

You can add the path to our environment variable path as below

Make sure you close your command prompt or Git after setting up your path. Also should you open your command prompt in administrator mode. This is example for Windows 10.

If you have python installed you could try:

python -c 'import sys;f=open(sys.argv[1]);print len(f.readline().split("|"))' \
    stores.dat

The difference between a non-lateral and a lateral join lies in whether you can look to the left hand table's row. For example:

select  *
from    table1 t1
cross join lateral
        (
        select  *
        from    t2
        where   t1.col1 = t2.col1 -- Only allowed because of lateral
        ) sub

This "outward looking" means that the subquery has to be evaluated more than once. After all, t1.col1 can assume many values.

By contrast, the subquery after a non-lateral join can be evaluated once:

select  *
from    table1 t1
cross join
        (
        select  *
        from    t2
        where   t2.col1 = 42 -- No reference to outer query
        ) sub

As is required without lateral, the inner query does not depend in any way on the outer query. A lateral query is an example of a correlated query, because of its relation with rows outside the query itself.

Yes, you should start with Java SE. Java EE is for web applications and Java ME is for mobile applications--both of these build off of SE.

https://medium.com/the-resonant-web/spring-boot-2-0-project-structure-and-best-practices-part-2-7137bdcba7d3

I think this is a good structure. And it is a nicely written blog explaining the mindset of these choices.

I usually use PHP's built in error handlers that can handle every possible error outside of syntax and still render a nice 'Down for maintenance' page otherwise:

Format PHP error on production server

You need to create an alias for the mother.kind. You do this like so.

Criteria c = session.createCriteria(Cat.class);
c.createAlias("mother.kind", "motherKind");
c.addOrder(Order.asc("motherKind.value"));
return c.list();

Using ES6 syntax does not work in node, unfortunately, you have to have babel apparently to make the compiler understand syntax such as export or import.

npm install babel-cli --save

Now we need to create a .babelrc file, in the babelrc file, we’ll set babel to use the es2015 preset we installed as its preset when compiling to ES5.

At the root of our app, we’ll create a .babelrc file. $ npm install babel-preset-es2015 --save

At the root of our app, we’ll create a .babelrc file.

{  "presets": ["es2015"] }

Hope it works ... :)

With me I have a UIViewcontroller, and into it I have a tableview with a custom cell on it. I map my outlet of UILabel into UItableviewcell to the UIViewController then got the error.

Share Files, Folders or Drives Between Host and Hyper-V Virtual Machine

Prerequisites

1. Ensure that Enhanced session mode settings are enabled on the Hyper-V host.

   Start Hyper-V Manager, and in the Actions section, select "Hyper-V Settings".

   

   Make sure that enhanced session mode is allowed in the Server section. Then, make sure that the enhanced session mode is available in the User section.

   

2. Enable Hyper-V Guest Services for your virtual machine

   Right-click on Virtual Machine > Settings. Select the Integration Services in the left-lower corner of the menu. Check Guest Service and click OK.

   

Steps to share devices with Hyper-v virtual machine:

1. Start a virtual machine and click Show Options in the pop-up windows.

   

   Or click "Edit Session Settings..." in the Actions panel on the right

   

   It may only appear when you're (able to get) connected to it. If it doesn't appear try Starting and then Connecting to the VM while paying close attention to the panel in the Hyper-V Manager.

2. View local resources. Then, select the "More..." menu.

   

3. From there, you can choose which devices to share. Removable drives are especially useful for file sharing.

   

4. Choose to "Save my settings for future connections to this virtual machine".

   

5. Click Connect. Drive sharing is now complete, and you will see the shared drive in this PC > Network Locations section of Windows Explorer after using the enhanced session mode to sigh to the VM. You should now be able to copy files from a physical machine and paste them into a virtual machine, and vice versa.

   

Source (and for more info): Share Files, Folders or Drives Between Host and Hyper-V Virtual Machine

This solution requires C++11 (or TR1).

#include <random>

int main()
{
   double lower_bound = 0;
   double upper_bound = 10000;
   std::uniform_real_distribution<double> unif(lower_bound,upper_bound);
   std::default_random_engine re;
   double a_random_double = unif(re);

   return 0;
}

For more details see John D. Cook's "Random number generation using C++ TR1".

See also Stroustrup's "Random number generation".

This is kind of stupid, but I got this error message by accidentally using [formControl] instead of [formGroup]. See here:

WRONG

@Component({
  selector: 'app-application-purpose',
  template: `
    <div [formControl]="formGroup"> <!-- '[formControl]' IS THE WRONG ATTRIBUTE -->
      <input formControlName="formGroupProperty" />
    </div>
  `
})
export class MyComponent implements OnInit {
  formGroup: FormGroup

  constructor(
    private formBuilder: FormBuilder
  ) { }

  ngOnInit() {
    this.formGroup = this.formBuilder.group({
      formGroupProperty: ''
    })
  }
}

RIGHT

@Component({
  selector: 'app-application-purpose',
  template: `
    <div [formGroup]="formGroup"> <!-- '[formGroup]' IS THE RIGHT ATTRIBUTE -->
      <input formControlName="formGroupProperty" />
    </div>
  `
})
export class MyComponent implements OnInit {
  formGroup: FormGroup

  constructor(
    private formBuilder: FormBuilder
  ) { }

  ngOnInit() {
    this.formGroup = this.formBuilder.group({
      formGroupProperty: ''
    })
  }
}

android split string by comma

String data = "1,Diego Maradona,Footballer,Argentina";
String[] items = data.split(",");
for (String item : items)
{
    System.out.println("item = " + item);
}

Under POSIX systems, the best solution seems to use:

#include <unistd.h>

pause ();

If the process receives a signal whose effect is to terminate it (typically by typing Ctrl+C in the terminal), then pause will not return and the process will effectively be terminated by this signal. A more advanced usage is to use a signal-catching function, called when the corresponding signal is received, after which pause returns, resuming the process.

Note: using getchar() will not work is the standard input is redirected; hence this more general solution.

Note that on Python 3, it's not really fair to say any of:

• strs are UTFx for any x (eg. UTF8)

• strs are Unicode

• strs are ordered collections of Unicode characters

Python's str type is (normally) a sequence of Unicode code points, some of which map to characters.

Even on Python 3, it's not as simple to answer this question as you might imagine.

An obvious way to test for ASCII-compatible strings is by an attempted encode:

"Hello there!".encode("ascii")
#>>> b'Hello there!'

"Hello there... ?!".encode("ascii")
#>>> Traceback (most recent call last):
#>>>   File "", line 4, in <module>
#>>> UnicodeEncodeError: 'ascii' codec can't encode character '\u2603' in position 15: ordinal not in range(128)

The error distinguishes the cases.

In Python 3, there are even some strings that contain invalid Unicode code points:

"Hello there!".encode("utf8")
#>>> b'Hello there!'

"\udcc3".encode("utf8")
#>>> Traceback (most recent call last):
#>>>   File "", line 19, in <module>
#>>> UnicodeEncodeError: 'utf-8' codec can't encode character '\udcc3' in position 0: surrogates not allowed

The same method to distinguish them is used.

Add item to list in the begining

$("#ddlList").prepend('<option selected="selected" value="0"> Select </option>');

Add item to list in the end

$('<option value="6">Java Script</option>').appendTo("#ddlList");

Common Dropdown operation (Get, Set, Add, Remove) using jQuery

There are two ways that I know of to color plot points by factor and then also have a corresponding legend automatically generated. I'll give examples of both:

1. Using ggplot2 (generally easier)
2. Using R's built in plotting functionality in combination with the colorRampPallete function (trickier, but many people prefer/need R's built-in plotting facilities)

For both examples, I will use the ggplot2 diamonds dataset. We'll be using the numeric columns diamond$carat and diamond$price, and the factor/categorical column diamond$color. You can load the dataset with the following code if you have ggplot2 installed:

library(ggplot2)
data(diamonds)

Using ggplot2 and qplot

It's a one liner. Key item here is to give qplot the factor you want to color by as the color argument. qplot will make a legend for you by default.

qplot(
  x = carat,
  y = price,
  data = diamonds,
  color = diamonds$color # color by factor color (I know, confusing)
)

Your output should look like this:

Using R's built in plot functionality

Using R's built in plot functionality to get a plot colored by a factor and an associated legend is a 4-step process, and it's a little more technical than using ggplot2.

First, we will make a colorRampPallete function. colorRampPallete() returns a new function that will generate a list of colors. In the snippet below, calling color_pallet_function(5) would return a list of 5 colors on a scale from red to orange to blue:

color_pallete_function <- colorRampPalette(
  colors = c("red", "orange", "blue"),
  space = "Lab" # Option used when colors do not represent a quantitative scale
  )

Second, we need to make a list of colors, with exactly one color per diamond color. This is the mapping we will use both to assign colors to individual plot points, and to create our legend.

num_colors <- nlevels(diamonds$color)
diamond_color_colors <- color_pallet_function(num_colors)

Third, we create our plot. This is done just like any other plot you've likely done, except we refer to the list of colors we made as our col argument. As long as we always use this same list, our mapping between colors and diamond$colors will be consistent across our R script.

plot(
  x = diamonds$carat,
  y = diamonds$price,
  xlab = "Carat",
  ylab = "Price",
  pch = 20, # solid dots increase the readability of this data plot
  col = diamond_color_colors[diamonds$color]
)

Fourth and finally, we add our legend so that someone reading our graph can clearly see the mapping between the plot point colors and the actual diamond colors.

legend(
  x ="topleft",
  legend = paste("Color", levels(diamonds$color)), # for readability of legend
  col = diamond_color_colors,
  pch = 19, # same as pch=20, just smaller
  cex = .7 # scale the legend to look attractively sized
)

Your output should look like this:

Nifty, right?

The docs indicate that numpy.correlate is not what you are looking for:

numpy.correlate(a, v, mode='valid', old_behavior=False)[source]
  Cross-correlation of two 1-dimensional sequences.
  This function computes the correlation as generally defined in signal processing texts:
     z[k] = sum_n a[n] * conj(v[n+k])
  with a and v sequences being zero-padded where necessary and conj being the conjugate.

Instead, as the other comments suggested, you are looking for a Pearson correlation coefficient. To do this with scipy try:

from scipy.stats.stats import pearsonr   
a = [1,4,6]
b = [1,2,3]   
print pearsonr(a,b)

This gives

(0.99339926779878274, 0.073186395040328034)

You can also use numpy.corrcoef:

import numpy
print numpy.corrcoef(a,b)

This gives:

[[ 1.          0.99339927]
 [ 0.99339927  1.        ]]

use this:

ImageView.setAdjustViewBounds(true);

It's just one of those language design choices. On some level they are justified. They make it so you need to go pretty far out of your way to try and call the method, and if you really need it that badly, you must have a pretty good reason!

Debugging hooks and testing come to mind as possible applications, used responsibly of course.

While Andriy's proposal will work well for INSERTs of a small number of records, full table scans will be done on the final join as both 'enumerated' and '@new_super' are not indexed, resulting in poor performance for large inserts.

This can be resolved by specifying a primary key on the @new_super table, as follows:

DECLARE @new_super TABLE (
  row_num INT IDENTITY(1,1) PRIMARY KEY CLUSTERED,
  super_id   int
);

This will result in the SQL optimizer scanning through the 'enumerated' table but doing an indexed join on @new_super to get the new key.

You should always include all relevant code when asking a question. In this case, the print statement that is the center of your question. The print statement is probably the most crucial piece of information. The second most crucial piece of information is the error, which you also did not include. Next time, include both of those.

print $ids should be a fairly hard statement to mess up, but it is possible. Possible reasons:

1. $ids is undefined. Gives the warning undefined value in print
2. $ids is out of scope. With use strict, gives fatal warning Global variable $ids needs explicit package name, and otherwise the undefined warning from above.
3. You forgot a semi-colon at the end of the line.
4. You tried to do print $ids $nIds, in which case perl thinks that $ids is supposed to be a filehandle, and you get an error such as print to unopened filehandle.

Explanations

1: Should not happen. It might happen if you do something like this (assuming you are not using strict):

my $var;
while (<>) {
    $Var .= $_;
}
print $var;

Gives the warning for undefined value, because $Var and $var are two different variables.

2: Might happen, if you do something like this:

if ($something) {
    my $var = "something happened!";
}
print $var;

my declares the variable inside the current block. Outside the block, it is out of scope.

3: Simple enough, common mistake, easily fixed. Easier to spot with use warnings.

4: Also a common mistake. There are a number of ways to correctly print two variables in the same print statement:

print "$var1 $var2";  # concatenation inside a double quoted string
print $var1 . $var2;  # concatenation
print $var1, $var2;   # supplying print with a list of args

Lastly, some perl magic tips for you:

use strict;
use warnings;

# open with explicit direction '<', check the return value
# to make sure open succeeded. Using a lexical filehandle.
open my $fh, '<', 'file.txt' or die $!;

# read the whole file into an array and
# chomp all the lines at once
chomp(my @file = <$fh>);
close $fh;

my $ids  = join(' ', @file);
my $nIds = scalar @file;
print "Number of lines: $nIds\n";
print "Text:\n$ids\n";

Reading the whole file into an array is suitable for small files only, otherwise it uses a lot of memory. Usually, line-by-line is preferred.

Variations:

• print "@file" is equivalent to $ids = join(' ',@file); print $ids;
• $#file will return the last index in @file. Since arrays usually start at 0, $#file + 1 is equivalent to scalar @file.

You can also do:

my $ids;
do {
    local $/;
    $ids = <$fh>;
}

By temporarily "turning off" $/, the input record separator, i.e. newline, you will make <$fh> return the entire file. What <$fh> really does is read until it finds $/, then return that string. Note that this will preserve the newlines in $ids.

Line-by-line solution:

open my $fh, '<', 'file.txt' or die $!; # btw, $! contains the most recent error
my $ids;
while (<$fh>) {
    chomp;
    $ids .= "$_ "; # concatenate with string
}
my $nIds = $.; # $. is Current line number for the last filehandle accessed.

Download last version (not 2.5.1 or other old ones) from jmeter.apache.org

Unzip file

Ensure you install a version of JAVA which is compatible, Java 6 or 7 for JMeter 2.11

In bin folder click on jmeter.sh not on jar or execute sh ./apache-jmeter-x.x.x/bin/jmeter in the terminal.

x.x.x is the version you use.

Finally, when started you may want to select System Look and feel for Mac OSX better integration. Menu > Options > Look and Feel > System

import gzip
import shutil
with gzip.open('file.txt.gz', 'rb') as f_in:
    with open('file.txt', 'wb') as f_out:
        shutil.copyfileobj(f_in, f_out)

You can also set the global option:

objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);

On a Mac, you need to use this command:

STATIC_DEPS=true sudo pip install lxml

In my case the error was caused because I was typing

git push origin master

while I was on the develop branch try:

git push origin branchname

Hope this helps somebody

If you are in Chrome you can check the Post Data

Here is How to check the Post data

1. Go to Network Tab
2. Look for the Link to which you are sending Post Data
3. Click on it
4. In the Headers, you can check Request Payload to check the post data

You can use the non-standard FROM clause.

UPDATE b
SET column1 = a.column1,
  column2 = a.column2,
  column3 = a.column3
FROM a
WHERE a.id = b.id
AND b.id = 1

android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.

Using e.g. LinearLayout:

LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
lp.setMargins(left, top, right, bottom);
imageView.setLayoutParams(lp);

MarginLayoutParams

This sets the margins in pixels. To scale it use

context.getResources().getDisplayMetrics().density

DisplayMetrics

You can use npm i y-websockets-server and then use the below command

y-websockets-server --port 11000

and here in my case, the port No is 11000.

You are missing a space between else and if

It should be else if instead of elseif

if(condition)
{

} 
else if(condition)
{

}
else
{

}

I was sending requests from angularjs using $http service to bottle running on http://localhost:8090/ and I had to apply CORS otherwise I got request errors like "No 'Access-Control-Allow-Origin' header is present on the requested resource"

from bottle import hook, route, run, request, abort, response

#https://github.com/defnull/bottle/blob/master/docs/recipes.rst#using-the-hooks-plugin

@hook('after_request')
def enable_cors():
    response.headers['Access-Control-Allow-Origin'] = '*'
    response.headers['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS, PUT'
    response.headers['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'

Here is what I ended up doing and it worked great.

First I moved the file input outside of the form so that it is not submitted:

<input name="imagefile[]" type="file" id="takePictureField" accept="image/*" onchange="uploadPhotos(\'#{imageUploadUrl}\')" />
<form id="uploadImageForm" enctype="multipart/form-data">
    <input id="name" value="#{name}" />
    ... a few more inputs ... 
</form>

Then I changed the uploadPhotos function to handle only the resizing:

window.uploadPhotos = function(url){
    // Read in file
    var file = event.target.files[0];

    // Ensure it's an image
    if(file.type.match(/image.*/)) {
        console.log('An image has been loaded');

        // Load the image
        var reader = new FileReader();
        reader.onload = function (readerEvent) {
            var image = new Image();
            image.onload = function (imageEvent) {

                // Resize the image
                var canvas = document.createElement('canvas'),
                    max_size = 544,// TODO : pull max size from a site config
                    width = image.width,
                    height = image.height;
                if (width > height) {
                    if (width > max_size) {
                        height *= max_size / width;
                        width = max_size;
                    }
                } else {
                    if (height > max_size) {
                        width *= max_size / height;
                        height = max_size;
                    }
                }
                canvas.width = width;
                canvas.height = height;
                canvas.getContext('2d').drawImage(image, 0, 0, width, height);
                var dataUrl = canvas.toDataURL('image/jpeg');
                var resizedImage = dataURLToBlob(dataUrl);
                $.event.trigger({
                    type: "imageResized",
                    blob: resizedImage,
                    url: dataUrl
                });
            }
            image.src = readerEvent.target.result;
        }
        reader.readAsDataURL(file);
    }
};

As you can see I'm using canvas.toDataURL('image/jpeg'); to change the resized image into a dataUrl adn then I call the function dataURLToBlob(dataUrl); to turn the dataUrl into a blob that I can then append to the form. When the blob is created, I trigger a custom event. Here is the function to create the blob:

/* Utility function to convert a canvas to a BLOB */
var dataURLToBlob = function(dataURL) {
    var BASE64_MARKER = ';base64,';
    if (dataURL.indexOf(BASE64_MARKER) == -1) {
        var parts = dataURL.split(',');
        var contentType = parts[0].split(':')[1];
        var raw = parts[1];

        return new Blob([raw], {type: contentType});
    }

    var parts = dataURL.split(BASE64_MARKER);
    var contentType = parts[0].split(':')[1];
    var raw = window.atob(parts[1]);
    var rawLength = raw.length;

    var uInt8Array = new Uint8Array(rawLength);

    for (var i = 0; i < rawLength; ++i) {
        uInt8Array[i] = raw.charCodeAt(i);
    }

    return new Blob([uInt8Array], {type: contentType});
}
/* End Utility function to convert a canvas to a BLOB      */

Finally, here is my event handler that takes the blob from the custom event, appends the form and then submits it.

/* Handle image resized events */
$(document).on("imageResized", function (event) {
    var data = new FormData($("form[id*='uploadImageForm']")[0]);
    if (event.blob && event.url) {
        data.append('image_data', event.blob);

        $.ajax({
            url: event.url,
            data: data,
            cache: false,
            contentType: false,
            processData: false,
            type: 'POST',
            success: function(data){
               //handle errors...
            }
        });
    }
});

Put your .netbeans Homefolder into a Ramdisk and Netbeans its going to be incredible fast.

I detected on my Ubuntu 16.04 that every Key-Press causes a HDD read or write action. Reason enougth for me to use a Ramdisk. As a little positive side-effect my HDD is quite now (no tickclickrrickrrrticktick any more) and has a longer live.

Some good answers here but just adding an approach that won't be affected by borders and padding:

<style type="text/css">
html, body{width: 100%; height: 100%; padding: 0; margin: 0}
div{position: absolute; padding: 1em; border: 1px solid #000}
#nw{background: #f09; top: 0; left: 0; right: 50%; bottom: 50%}
#ne{background: #f90; top: 0; left: 50%; right: 0; bottom: 50%}
#sw{background: #009; top: 50%; left: 0; right: 50%; bottom: 0}
#se{background: #090; top: 50%; left: 50%; right: 0; bottom: 0}
</style>

<div id="nw">test</div>
<div id="ne">test</div>
<div id="sw">test</div>
<div id="se">test</div>

Super simple:

Press the F5 key and the code will run.

If a breakpoint is set, pressing F5 will stop at the breakpoint and run the code in debug mode.

Other Method - To add Shortcut

Note: You must have Python Extension By Microsoft installed in Visual Studio Code, and the Python interpreter selected in the lower-left corner.

Go to File ? Preferences ? Keyboard Shortcuts (alternatively, you can press Ctrl + K + S) In the search box, enter python.execInTerminal Double click that result (alternatively, you can click the plus icon) Press Ctrl + Alt + B to register this as the keybinding (alternatively, you can enter your own keybinding)

Now you can close the Keyboard Shortcuts tab Go to the Python file you want to run and press Ctrl + Alt + B (alternatively, you can press the keybinding you set) to run it. The output will be shown in the bottom terminal tab.

For convenience, here is Irritate's algorithm in a Java form. Add error checking, exception handling and tweak as necessary.

public class Algorithms { 
    public static double scale(final double valueIn, final double baseMin, final double baseMax, final double limitMin, final double limitMax) {
        return ((limitMax - limitMin) * (valueIn - baseMin) / (baseMax - baseMin)) + limitMin;
    }
}

Tester:

final double baseMin = 0.0;
final double baseMax = 360.0;
final double limitMin = 90.0;
final double limitMax = 270.0;
double valueIn = 0;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));
valueIn = 360;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));
valueIn = 180;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));

90.0
270.0
180.0

Microsoft Windows accepts any memory request from processes if it could be done.

There is no limit for the memory that can be provided to a process, except the Virtual Memory Size.

Virtual Memory Size is 4GB in 32bit systems for any processes, no matter how many applications you are running. Any processes can allocate up to 4GB memory in 32bit systems.

In practice, Windows automatically allocates some parts of allocated memory from RAM or page-file depending on processes requests and paging file mechanism.

But another limit is the size of paging file. If you have a small paging-file, you cannot allocated large memories. You could increase the size of paging file according to Microsoft to have more memory space.

Calling /search/ should result in "you submitted nothing", but calling /search/?q= on the other hand should result in "you submitted u''"

Browsers have to add the q= even when it's empty, because they have to include all fields which are part of the form. Only if you do some DOM manipulation in Javascript (or a custom javascript submit action), you might get such a behavior, but only if the user has javascript enabled. So you should probably simply test for non-empty strings, e.g:

if request.GET.get('q'):
    message = 'You submitted: %r' % request.GET['q']
else:
    message = 'You submitted nothing!'

Actually, you don't need all that stuff with opacity, visibility, <input> styling, etc. Just take a look:

<a href="#">Just click me.</a>
<script type="text/javascript">
    $("a").click(function() {
        // creating input on-the-fly
        var input = $(document.createElement("input"));
        input.attr("type", "file");
        // add onchange handler if you wish to get the file :)
        input.trigger("click"); // opening dialog
        return false; // avoiding navigation
    });
</script>

Demo on jsFiddle. Tested in Chrome 30.0 and Firefox 24.0. Didn't work in Opera 12.16, however.

My assumption you already have settings on your urls.py

from django.urls import path, include 
# and probably something like this 
    urlpatterns = [
    path('admin/', admin.site.urls),
    path('', include('blog.urls')),
]

and on your app you should have something like this blog/urls.py

 from django.urls import path

 from .views import HomePageView, CreateBlogView

 urlpatterns = [
   path('', HomePageView.as_view(), name='home'),
   path('post/', CreateBlogView.as_view(), name='add_blog')
 ]

if it's the case then most likely you haven't activated your environment try the following to activate your environment first pipenv shell if you still get the same error try this methods below

make sure Django is installed?? any another packages? i.e pillow try the following

pipenv install django==2.1.5 pillow==5.4.1

then remember to activate your environment

pipenv shell

after the environment is activated try running

python3 manage.py makemigrations

python3 manage.py migrate

then you will need to run

python3 manage.py runserver

I hope this helps

I think we do need preprocess(maybe NOT call the compile) the head file. Because from my understanding, during the compile stage, the head file should be included in c file. For example, in test.h we have

typedef enum{
    a,
    b,
    c
}test_t

and in test.c we have

void foo()
{
    test_t test;
    ...
}

during the compile, i think the compiler will put the code in head file and c file together and code in head file will be pre-processed and substitute the code in c file. Meanwhile, we'd better to define the include path in makefile.

I positioned the divs slightly offset, so that you can see it at work.
HTML

<div class="outer">
  <div class="bot">BOT</div>
  <div class="top">TOP</div>
</div>

CSS

.outer {
  position: relative;
  margin-top: 20px;
}

.top {
  position: absolute;
  margin-top: -10px;
  background-color: green;
}

.bot {
  position: absolute;
  background-color: yellow;
}

https://codepen.io/anon/pen/EXxKzP

Here's another way through the GUI that does exactly what your script does even though it goes through Indexes (not Constraints) in the object explorer.

1. Right click on "Indexes" and click "New Index..." (note: this is disabled if you have the table open in design view)

2. Give new index a name ("U_Name"), check "Unique", and click "Add..."

3. Select "Name" column in the next windown

4. Click OK in both windows

I found this one to be very simple!

my $line = "file1.gz file2.gz file3.gz";

my @abc =  ($line =~ /(\w+[.]\w+)/g);

print $abc[0],"\n";
print $abc[1],"\n";
print $abc[2],"\n";

output:

file1.gz 
file2.gz 
file3.gz

Here take a look at this tutorial to find more on Perl regular expression and scroll down to More matching section.

Let's have a simple one-character string 'š' and encode it into a sequence of bytes:

>>> 'š'.encode('utf-8')
b'\xc5\xa1'

For the purpose of this example let's display the sequence of bytes in its binary form:

>>> bin(int(b'\xc5\xa1'.hex(), 16))
'0b1100010110100001'

Now it is generally not possible to decode the information back without knowing how it was encoded. Only if you know that the utf-8 text encoding was used, you can follow the algorithm for decoding utf-8 and acquire the original string:

11000101 10100001
   ^^^^^   ^^^^^^
   00101   100001

You can display the binary number 101100001 back as a string:

>>> chr(int('101100001', 2))
'š'

Use COPY command like this:

COPY foo.txt /data/foo.txt
# where foo.txt is the relative path on host
# and /data/foo.txt is the absolute path in the image

read more details for COPY in the official documentation

An alternative would be to use ADD but this is not the best practise if you dont want to use some advanced features of ADD like decompression of tar.gz files.If you still want to use ADD command, do it like this:

ADD abc.txt /data/abc.txt
# where abc.txt is the relative path on host
# and /data/abc.txt is the absolute path in the image

read more details for ADD in the official documentation

I also had this issue and it arose because I re-made the project and then forgot to re-link it by reference in a dependent project.

Thus it was linking by reference to the old project instead of the new one.

It is important to know that there is a bug in re-adding a previously linked project by reference. You've got to manually delete the reference in the vcxproj and only then can you re-add it. This is a known issue in Visual studio according to msdn.

I was missing somehow more dynamic array of strings, where amount of strings could be varied depending on run-time selection, but otherwise strings should be fixed.

I've ended up of coding code snippet like this:

#define INIT_STRING_ARRAY(...)          \
    {                                   \
        char* args[] = __VA_ARGS__;     \
        ev = args;                      \
        count = _countof(args);         \
    }

void InitEnumIfAny(String& key, CMFCPropertyGridProperty* item)
{
    USES_CONVERSION;
    char** ev = nullptr;
    int count = 0;

    if( key.Compare("horizontal_alignment") )
        INIT_STRING_ARRAY( { "top", "bottom" } )

    if (key.Compare("boolean"))
        INIT_STRING_ARRAY( { "yes", "no" } )

    if( ev == nullptr )
        return;

    for( int i = 0; i < count; i++)
        item->AddOption(A2T(ev[i]));

    item->AllowEdit(FALSE);
}

char** ev picks up pointer to array strings, and count picks up amount of strings using _countof function. (Similar to sizeof(arr) / sizeof(arr[0])).

And there is extra Ansi to unicode conversion using A2T macro, but that might be optional for your case.

If you don't need an automated solution, you can find the thumbnail URL by entering the vimeo ID here: http://video.depone.eu/

Here are a couple of alternative ways of doing it, that may be faster or more suitable than KennyTM's answer, depending on the context.

1) use a regular expression:

import re
words_re = re.compile("|".join(list_of_words))

if words_re.search('some one long two phrase three'):
   # do logic you want to perform

2) You could use sets if you want to match whole words, e.g. you do not want to find the word "the" in the phrase "them theorems are theoretical":

word_set = set(list_of_words)
phrase_set = set('some one long two phrase three'.split())
if word_set.intersection(phrase_set):
    # do stuff

Of course you can also do whole word matches with regex using the "\b" token.

The performance of these and Kenny's solution are going to depend on several factors, such as how long the word list and phrase string are, and how often they change. If performance is not an issue then go for the simplest, which is probably Kenny's.

If you are using requestPermissions in fragment, it accepts 2 parameters instead of 3.

You should use requestPermissions(permissions, PERMISSIONS_CODE);

I just had the same problem and...

declare @userId uniqueidentifier
set @userId = (select top 1 UserId from aspnet_Users)

or even shorter:

declare @userId uniqueidentifier
SELECT TOP 1 @userId = UserId FROM aspnet_Users

HEAD is not the latest revision, it's the current revision. Usually, it's the latest revision of the current branch, but it doesn't have to be.

master is a name commonly given to the main branch, but it could be called anything else (or there could be no main branch).

origin is a name commonly given to the main remote. remote is another repository that you can pull from and push to. Usually it's on some server, like github.

GitLab 12.1 (July 2019) introduces a difference:

"Merge Requests for Confidential Issues"

When discussing, planning and resolving confidential issues, such as security vulnerabilities, it can be particularly challenging for open source projects to remain efficient since the Git repository is public.

As of 12.1, it is now possible for confidential issues in a public project to be resolved within a streamlined workflow using the Create confidential merge request button, which helps you create a merge request in a private fork of the project.

See "Confidential issues" from issue 58583.

A similar feature exists in GitHub, but involves the creation of a special private fork, called "maintainer security advisory".

GitLab 13.5 (Oct. 2020) will add reviewers, which was already available for GitHub before.

One simpler way to include a class file of one project in another projects is by Adding the project in existing solution and then Adding the DLL reference of the new project in the existing project. Finally, you can use the methods of the added class by decalring using directive at the top of the any class.

We have tables in SQL Server 2005 and 2008 with over 1 Billion rows in it (30 million added daily). I can't imagine going down the rats nest of splitting that out into a new table each day.

Much cheaper to add the appropriate disk space (which you need anyway) and RAM.

Make sure you are authenticated with the correct account:

gcloud auth list
* account 1
  account 2

Change to the project's account if not:

gcloud config set account `ACCOUNT`

Depending on the account, the project list will be different:

gcloud projects list

- project 1
- project 2...

Switch to intended project:

gcloud config set project `PROJECT ID`

The author of JSON wants us to include comments in the JSON, but strip them out before parsing them (see link provided by Michael Burr). If JSON should have comments, why not standardize them, and let the JSON parser do the job? I don't agree with the logic there, but, alas, that's the standard. Using a YAML solution as suggested by others is good, but it requires a library dependency.

If you want to strip out comments, but don't want to have a library dependency, here is a two-line solution, which works for C++-style comments, but can be adapted to others:

var comments = new RegExp("//.*", 'mg');
data = JSON.parse(fs.readFileSync(sample_file, 'utf8').replace(comments, ''));

Note that this solution can only be used in cases where you can be sure that the JSON data does not contain the comment initiator, e.g. ('//').

Another way to achieve JSON parsing, stripping of comments, and no extra library, is to evaluate the JSON in a JavaScript interpreter. The caveat with that approach, of course, is that you would only want to evaluate untainted data (no untrusted user-input). Here is an example of this approach in Node.js -- another caveat, the following example will only read the data once and then it will be cached:

data = require(fs.realpathSync(doctree_fp));

If you can live with limited parallel capablilities, the following solution will work:

private static <T> Stream<T> nonEmptyStream(
    Stream<T> stream, Supplier<RuntimeException> e) {

    Spliterator<T> it=stream.spliterator();
    return StreamSupport.stream(new Spliterator<T>() {
        boolean seen;
        public boolean tryAdvance(Consumer<? super T> action) {
            boolean r=it.tryAdvance(action);
            if(!seen && !r) throw e.get();
            seen=true;
            return r;
        }
        public Spliterator<T> trySplit() { return null; }
        public long estimateSize() { return it.estimateSize(); }
        public int characteristics() { return it.characteristics(); }
    }, false);
}

Here is some example code using it:

List<String> l=Arrays.asList("hello", "world");
nonEmptyStream(l.stream(), ()->new RuntimeException("No strings available"))
  .forEach(System.out::println);
nonEmptyStream(l.stream().filter(s->s.startsWith("x")),
               ()->new RuntimeException("No strings available"))
  .forEach(System.out::println);

The problem with (efficient) parallel execution is that supporting splitting of the Spliterator requires a thread-safe way to notice whether either of the fragments has seen any value in a thread-safe manner. Then the last of the fragments executing tryAdvance has to realize that it is the last one (and it also couldn’t advance) to throw the appropriate exception. So I didn’t add support for splitting here.

The accepted answer is short and sweet, but here is an alternate syntax allowing to provide a separator in Python 3.x.

print(*3*('-',), sep='_')

div.noWrap {
    display: inline;
    }

well, you can do it a lot of ways... one of them is to create a HttpRequest. I would advise you against calling your own webapi from your own MVC (the idea is redundant...) but, here's a end to end tutorial.

Correct expression is

"source " + (DT_STR,4,1252)DATEPART( "yyyy" , getdate() ) + "-" +
RIGHT("0" + (DT_STR,4,1252)DATEPART( "mm" , getdate() ), 2) + "-" +
RIGHT("0" + (DT_STR,4,1252)DATEPART( "dd" , getdate() ), 2) +".CSV"

SQL keywords are case insensitive themselves.

Names of tables, columns etc, have a case sensitivity which is database dependent - you should probably assume that they are case sensitive unless you know otherwise (In many databases they aren't though; in MySQL table names are SOMETIMES case sensitive but most other names are not).

Comparing data using =, >, < etc, has a case awareness which is dependent on the collation settings which are in use on the individual database, table or even column in question. It's normal however, to keep collation fairly consistent within a database. We have a few columns which need to store case-sensitive values; they have a collation specifically set.

If unsetting using

git config --global --unset-all https.proxy

doesn't work for you .

Then check if the environment variable http_proxy and https_proxy are set . Check using this command : -

env | grep -i proxy

If this variable is set to something , then you can just unset it using :-

   https_proxy=""

The core idea given here seems to me to be the best approach for this problem. Unfortunately, it has received less votes while the later answer that has more votes is not complete (as observed in the comments). Hopefully, the implementation below provides a short and complete solution for truncation.

def trunc(num, digits):_x000D_
    l = str(float(num)).split('.')_x000D_
    digits = min(len(l[1]), digits)_x000D_
    return (l[0]+'.'+l[1][:digits])

which should take care of all corner cases found here and here.

IndexOf seems to be useful here.

@foreach (myItemClass ts in Model.ItemList.Where(x => x.Type == "something"))
    {
       int currentIndex = Model.ItemList.IndexOf(ts);
       @Html.HiddenFor(x=>Model.ItemList[currentIndex].Type)

...

Scanner scanner = new Scanner(System.in);
String part = scanner.nextLine();
String line = scanner.nextLine();

String temp = "\\b" + part +"|"+ part + "\\b";
Pattern pattern = Pattern.compile(temp.toLowerCase());
Matcher matcher = pattern.matcher(line.toLowerCase());

System.out.println(matcher.find() ? "YES":"NO");

If you need to determine if any of the words of this text start or end with the sequence. you can use this regex \bsubstring|substring\b anythingsubstring substringanything anythingsubstringanything

You may try with below query :

INSERT INTO errortable (dateupdated,table1id)
VALUES (to_date(to_char(sysdate,'dd/mon/yyyy hh24:mi:ss'), 'dd/mm/yyyy hh24:mi:ss' ),1083 );

To view the result of it:

SELECT to_char(hire_dateupdated, 'dd/mm/yyyy hh24:mi:ss') 
FROM errortable 
    WHERE table1id = 1083;

You can set min-width property of CSS for body tag. Since this property is not supported by IE6, you can write like:

body{
   min-width:1000px;        /* Suppose you want minimum width of 1000px */
   width: auto !important;  /* Firefox will set width as auto */
   width:1000px;            /* As IE6 ignores !important it will set width as 1000px; */
}

Or:

body{
   min-width:1000px; // Suppose you want minimum width of 1000px
   _width: expression( document.body.clientWidth > 1000 ? "1000px" : "auto" ); /* sets max-width for IE6 */
}

Here's another way, but with the advantage that it launches Terminal, brings it to the front, and creates only one window.

I like this when I want to be neatly presented with the results of my script.

tell application "Terminal"
    activate
    set shell to do script "echo 1" in window 1
    do script "echo 2" in shell
    do script "echo 3" in shell
end tell

To make sure it will work, you need to validate it.

function mmIsDate(str) {

    if (str == undefined) { return false; }

    var parms = str.split(/[\.\-\/]/);

    var yyyy = parseInt(parms[2], 10);

    if (yyyy < 1900) { return false; }

    var mm = parseInt(parms[1], 10);
    if (mm < 1 || mm > 12) { return false; }

    var dd = parseInt(parms[0], 10);
    if (dd < 1 || dd > 31) { return false; }

    var dateCheck = new Date(yyyy, mm - 1, dd);
    return (dateCheck.getDate() === dd && (dateCheck.getMonth() === mm - 1) && dateCheck.getFullYear() === yyyy);

};

In addition to @Elltz answer, we can use both fill and image for background:

someNode.setBackground(
            new Background(
                    Collections.singletonList(new BackgroundFill(
                            Color.WHITE, 
                            new CornerRadii(500), 
                            new Insets(10))),
                    Collections.singletonList(new BackgroundImage(
                            new Image("image/logo.png", 100, 100, false, true),
                            BackgroundRepeat.NO_REPEAT,
                            BackgroundRepeat.NO_REPEAT,
                            BackgroundPosition.CENTER,
                            BackgroundSize.DEFAULT))));

Use

setBackground(
                new Background(
                        Collections.singletonList(new BackgroundFill(
                                Color.WHITE,
                                new CornerRadii(0),
                                new Insets(0))),
                        Collections.singletonList(new BackgroundImage(
                                new Image("file:clouds.jpg", 100, 100, false, true),
                                BackgroundRepeat.NO_REPEAT,
                                BackgroundRepeat.NO_REPEAT,
                                BackgroundPosition.DEFAULT,
                                new BackgroundSize(1.0, 1.0, true, true, false, false)
                        ))));

(different last argument) to make the image full-window size.

<i class="fa" v-bind:class="cravings"></i>

and add in computed :

computed: {
    cravings: function() {
        return this.content['cravings'] ? 'fa-checkbox-marked' : 'fa-checkbox-blank-outline';
    }
}

You might want to try a one line list comprehension:

>>> [name+number for name in 'ab' for number in '12']
['a1', 'a2', 'b1', 'b2']
>>> [name+number for name in 'abc' for number in '12']
['a1', 'a2', 'b1', 'b2', 'c1', 'c2']

I assume that with interface you mean a C++ class with only pure virtual methods (i.e. without any code), instead with abstract class you mean a C++ class with virtual methods that can be overridden, and some code, but at least one pure virtual method that makes the class not instantiable. e.g.:

class MyInterface
{
public:
  // Empty virtual destructor for proper cleanup
  virtual ~MyInterface() {}

  virtual void Method1() = 0;
  virtual void Method2() = 0;
};


class MyAbstractClass
{
public:
  virtual ~MyAbstractClass();

  virtual void Method1();
  virtual void Method2();
  void Method3();

  virtual void Method4() = 0; // make MyAbstractClass not instantiable
};

In Windows programming, interfaces are fundamental in COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Interface) that makes it possible to e.g. build a COM component in C++ and use it in Visual Basic, or build a COM component in C and use it in C++, or build a COM component with Visual C++ version X and use it with Visual C++ version Y. In other words, with interfaces you have high decoupling between client code and server code.

Moreover, when you want to build DLL's with a C++ object-oriented interface (instead of pure C DLL's), as described in this article, it's better to export interfaces (the "mature approach") instead of C++ classes (this is basically what COM does, but without the burden of COM infrastructure).

I'd use an interface if I want to define a set of rules using which a component can be programmed, without specifying a concrete particular behavior. Classes that implement this interface will provide some concrete behavior themselves.

Instead, I'd use an abstract class when I want to provide some default infrastructure code and behavior, and make it possible to client code to derive from this abstract class, overriding the pure virtual methods with some custom code, and complete this behavior with custom code. Think for example of an infrastructure for an OpenGL application. You can define an abstract class that initializes OpenGL, sets up the window environment, etc. and then you can derive from this class and implement custom code for e.g. the rendering process and handling user input:

// Abstract class for an OpenGL app.
// Creates rendering window, initializes OpenGL; 
// client code must derive from it 
// and implement rendering and user input.
class OpenGLApp
{
public:
  OpenGLApp();
  virtual ~OpenGLApp();
  ...

  // Run the app    
  void Run();


  // <---- This behavior must be implemented by the client ---->

  // Rendering
  virtual void Render() = 0;

  // Handle user input
  // (returns false to quit, true to continue looping)
  virtual bool HandleInput() = 0;

  // <--------------------------------------------------------->


private:
  //
  // Some infrastructure code
  //
  ... 
  void CreateRenderingWindow();
  void CreateOpenGLContext();
  void SwapBuffers();
};


class MyOpenGLDemo : public OpenGLApp
{
public:
  MyOpenGLDemo();
  virtual ~MyOpenGLDemo();

  // Rendering
  virtual void Render();  // implements rendering code

  // Handle user input
  virtual bool HandleInput(); // implements user input handling


  //  ... some other stuff
};

Barring the CSS solution. The fastest possible way is to hide it immediatly with a script.

<div id="hideme"></div>
<script type="text/javascript">
    $("#hideme").hide();
</script>

In this case I would recommend the CSS solution by Vega. But if you need something more complex (like an animation) you can use this approach.

This has some complications (see comments below). If you want this piece of script to really run as fast as possible you can't use jQuery, use native JS only and defer loading of all other scripts.

You can simply achieved flex

header {_x000D_
  border: 1px solid blue;_x000D_
  height: 150px;_x000D_
  display: flex;                   /* defines flexbox */_x000D_
  flex-direction: column;          /* top to bottom */_x000D_
  justify-content: space-between;  /* first item at start, last at end */_x000D_
}_x000D_
h1 {_x000D_
  margin: 0;_x000D_
}

<header>_x000D_
  <h1>Header title</h1>_x000D_
  Some text aligns to the bottom_x000D_
</header>

Single-source Python 2/3 compatible version based on @pts' answer:

#!/usr/bin/env python
import binascii

def int2bytes(i):
    hex_string = '%x' % i
    n = len(hex_string)
    return binascii.unhexlify(hex_string.zfill(n + (n & 1)))

print(int2bytes(1245427))
# -> b'\x13\x00\xf3'

In JavaScript:

jQuery('#div_session_write').load('session_write.php?session_name=new_value');

In session_write.php file:

<?
session_start();

if (isset($_GET['session_name'])) {$_SESSION['session_name'] = $_GET['session_name'];}
?>

In HTML:

<div id='div_session_write'> </div>

<input id='r1' type='radio' class='rg' name="asdf"/>
<input id='r2' type='radio' class='rg' name="asdf"/>
<input id='r3' type='radio' class='rg' name="asdf"/>
<input id='r4' type='radio' class='rg' name="asdf"/><br/>
<input type='text' id='r1edit'/>                  

jquery part

$(".rg").change(function () {

if ($("#r1").attr("checked")) {
            $('#r1edit:input').removeAttr('disabled');
        }
        else {
            $('#r1edit:input').attr('disabled', 'disabled');
        }
                    });

here is the DEMO

I know this is an old question, but I think this is the definitive answer.

listViewRamos.Items[i].Focused = true;
listViewRamos.Items[i].Selected = true;
listViewRemos.Items[i].EnsureVisible();

If there is a chance the control does not have the focus but you want to force the focus to the control, then you can add the following line.

listViewRamos.Select();

Why Microsoft didn't just add a SelectItem() method that does all this for you is beyond me.

Base on Athadu's answer, I write an extenesion method, then in the Controller Class you can get root url by this.RootUrl();

public static class ControllerHelper
{
    public static string RootUrl(this ApiController controller)
    {
        return controller.Url.Content("~/");
    }
}

Jenkins Pipeline also provides the current build number as the property number of the currentBuild. It can be read as currentBuild.number.

For example:

// Scripted pipeline
def buildNumber = currentBuild.number

// Declarative pipeline
echo "Build number is ${currentBuild.number}"

Other properties of currentBuild are described in the Pipeline Syntax: Global Variables page that is included on each Pipeline job page. That page describes the global variables available in the Jenkins instance based on the current plugins.

This happened to me on VS2013(Update 5)/ASP.NET 4.5, under project type "Web Application" that includes MVC and Web API 2. Error happened right after creating the project and before adding any code. Adding the following configuration fix it for me. After resolving "System.Web.Helpers" issue two more similar errors surfaced for "System.Web.Mvc" and "System.Web.WebPages".

<runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Helpers" publicKeyToken="31bf3856ad364e35" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2.0.0.0" newVersion="2.0.0.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.2.3.0" />
      </dependentAssembly>
      <dependentAssembly>
        <assemblyIdentity name="System.Web.WebPages" publicKeyToken="31bf3856ad364e35" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-3.0.0.0" newVersion="3.0.0.0" />
      </dependentAssembly>

I don't think there is a more "angular way" to select an element. See, for instance, the way they are achieving this goal in the last example of this old documentation page:

{
     template: '<div>' +
    '<div class="title">{{title}}</div>' +
    '<div class="body" ng-transclude></div>' +
    '</div>',

    link: function(scope, element, attrs) {
        // Title element
        var title = angular.element(element.children()[0]),
        // ...
    }
}

Not with a regular statement, no.

What you can do is wrap the functionality in a PL/pgsql function (or another language, but PL/pgsql seems to be the most appropriate for this), and then just call that function. That means it'll still be a single statement to your app.

Binary strings store raw-byte data, whilst character strings store text. Use binary data when storing hexi-decimal values such as SID, GUID and so on. The uniqueidentifier data type contains a globally unique identifier, or GUID. This value is derived by using the NEWID() function to return a value that is unique to all objects. It's stored as a binary value but it is displayed as a character string.

Here is an example.

USE AdventureWorks2008R2;
GO
CREATE TABLE MyCcustomerTable
(
    user_login   varbinary(85) DEFAULT SUSER_SID()
    ,data_value   varbinary(1)
);
GO

INSERT MyCustomerTable (data_value)
    VALUES (0x4F);
GO

Applies to: SQL Server The following example creates the cust table with a uniqueidentifier data type, and uses NEWID to fill the table with a default value. In assigning the default value of NEWID(), each new and existing row has a unique value for the CustomerID column.

-- Creating a table using NEWID for uniqueidentifier data type.  
CREATE TABLE cust  
(  
 CustomerID uniqueidentifier NOT NULL  
   DEFAULT newid(),  
 Company varchar(30) NOT NULL,  
 ContactName varchar(60) NOT NULL,   
 Address varchar(30) NOT NULL,   
 City varchar(30) NOT NULL,  
 StateProvince varchar(10) NULL,  
 PostalCode varchar(10) NOT NULL,   
 CountryRegion varchar(20) NOT NULL,   
 Telephone varchar(15) NOT NULL,  
 Fax varchar(15) NULL  
);  
GO  
-- Inserting 5 rows into cust table.  
INSERT cust  
(CustomerID, Company, ContactName, Address, City, StateProvince,   
 PostalCode, CountryRegion, Telephone, Fax)  
VALUES  
 (NEWID(), 'Wartian Herkku', 'Pirkko Koskitalo', 'Torikatu 38', 'Oulu', NULL,  
 '90110', 'Finland', '981-443655', '981-443655')  
,(NEWID(), 'Wellington Importadora', 'Paula Parente', 'Rua do Mercado, 12', 'Resende', 'SP',  
 '08737-363', 'Brasil', '(14) 555-8122', '')  
,(NEWID(), 'Cactus Comidas para Ilevar', 'Patricio Simpson', 'Cerrito 333', 'Buenos Aires', NULL,   
 '1010', 'Argentina', '(1) 135-5555', '(1) 135-4892')  
,(NEWID(), 'Ernst Handel', 'Roland Mendel', 'Kirchgasse 6', 'Graz', NULL,  
 '8010', 'Austria', '7675-3425', '7675-3426')  
,(NEWID(), 'Maison Dewey', 'Catherine Dewey', 'Rue Joseph-Bens 532', 'Bruxelles', NULL,  
 'B-1180', 'Belgium', '(02) 201 24 67', '(02) 201 24 68');  
GO

you can use this way

 map = new google.maps.Map(document.getElementById('map'), {
        zoom: 16,
        center: { lat: parseFloat(lat), lng: parseFloat(lng) },
        mapTypeId: 'terrain', 
        disableDefaultUI: true
 });

EX : center: { lat: parseFloat(lat), lng: parseFloat(lng) },

If you want to test whether a variable is really NULL, use the identity operator:

$user_id === NULL  // FALSE == NULL is true, FALSE === NULL is false
is_null($user_id)

If you want to check whether a variable is not set:

!isset($user_id)

Or if the variable is not empty, an empty string, zero, ..:

empty($user_id)

If you want to test whether a variable is not an empty string, ! will also be sufficient:

!$user_id

You just do an opposite comparison. if Col2 <= 1. This will return a boolean Series with False values for those greater than 1 and True values for the other. If you convert it to an int64 dtype, True becomes 1 and False become 0,

df['Col3'] = (df['Col2'] <= 1).astype(int)

If you want a more general solution, where you can assign any number to Col3 depending on the value of Col2 you should do something like:

df['Col3'] = df['Col2'].map(lambda x: 42 if x > 1 else 55)

Or:

df['Col3'] = 0
condition = df['Col2'] > 1
df.loc[condition, 'Col3'] = 42
df.loc[~condition, 'Col3'] = 55

It turns out that you can set window.undefined to whatever you want, and so get object.x !== undefined when object.x is the real undefined. In my case I inadvertently set undefined to null.

The easiest way to see this happen is:

window.undefined = null;
alert(window.xyzw === undefined); // shows false

Of course, this is not likely to happen. In my case the bug was a little more subtle, and was equivalent to the following scenario.

var n = window.someName; // someName expected to be set but is actually undefined
window[n]=null; // I thought I was clearing the old value but was actually changing window.undefined to null
alert(window.xyzw === undefined); // shows false

function go(type, pageCount) {
    if ((type == 2 && pageCount == 0) || (type == 2 && pageCount == '')) {
        pageCount = document.getElementById('<%=hfPageCount.ClientID %>').value;
    }
}

We can use input data to pass it as a parameter in the HTML file w use ng-model to bind the value of input field.

<input type="text" placeholder="Enter your Email" ng-model="email" required>

<input type="text" placeholder="Enter your password " ng-model="password" required> 

and in the js file w use $scope to access this data:

$scope.email="";
$scope.password="";

Controller function will be something like that:

 var app = angular.module('myApp', []);

    app.controller('assignController', function($scope, $http) {
      $scope.email="";
      $scope.password="";

      $http({
        method: "POST",
        url: "http://localhost:3000/users/sign_in",
        params: {email: $scope.email, password: $scope.password}

      }).then(function mySuccess(response) {
          // a string, or an object, carrying the response from the server.
          $scope.myRes = response.data;
          $scope.statuscode = response.status;

        }, function myError(response) {
          $scope.myRes = response.statusText;
      });
    });

you can use pydotplus instead of pydot.then follow the belows:

First, find C:\Users\zhangqianyuan\AppData\Local\Programs\Python\Python36\Lib\site-packages\pydotplus

Second, open graphviz.py

Third, find line 1925 - line 1972, find the function def create(self, prog=None, format='ps'):

Final, in the function:

1. find:

   if prog not in self.progs:
       raise InvocationException(
           'GraphViz\'s executable "%s" not found' % prog)
   

   `

   if not os.path.exists(self.progs[prog]) or \
           not os.path.isfile(self.progs[prog]):
       raise InvocationException(
           'GraphViz\'s executable "{}" is not'
           ' a file or doesn\'t exist'.format(self.progs[prog])
       )
   

2. between the two blocks add this(Your Graphviz's executable path):

   self.progs[prog] = "C:/Program Files (x86)/Graphviz2.38/bin/gvedit.exe"

3. after adding the result is:

   if prog not in self.progs:
       raise InvocationException(
           'GraphViz\'s executable "%s" not found' % prog)
   
   self.progs[prog] = "C:/Program Files (x86)/Graphviz2.38/bin/gvedit.exe"
   
   if not os.path.exists(self.progs[prog]) or \
           not os.path.isfile(self.progs[prog]):
       raise InvocationException(
           'GraphViz\'s executable "{}" is not'
           ' a file or doesn\'t exist'.format(self.progs[prog])
       )
   

4. save the changed file then you can run it successfully.

5. you'd better save it as bmp file because png file will not work.

The reason you aren't finding easy examples for how to do this in T-SQL is that it is generally considered bad practice to implement formatting logic in SQL code. RDBMS's simply are not designed for presentation. While it is possible to do some limited formatting, it is almost always better to let the application or user interface handle formatting of this type.

But if you must (and sometimes we must!) use T-SQL, cast your int to money and convert it to varchar, like this:

select convert(varchar,cast(1234567 as money),1)

If you don't want the trailing decimals, do this:

select replace(convert(varchar,cast(1234567 as money),1), '.00','')

Good luck!

Similar situation for following configuration:

• Windows Server 2012 R2 Standard
• MS SQL server 2008 (tested also SQL 2012)
• Oracle 10g client (OracleDB v8.1.7)
• MSDAORA provider
• Error ID: 7302

My solution:

• Install 32bit MS SQL Server (64bit MSDAORA doesn't exist)
• Install 32bit Oracle 10g 10.2.0.5 patch (set W7 compatibility on setup.exe)
• Restart SQL services
• Check Allow in process in MSDAORA provider
• Test linked oracle server connection

RPC is C based, and as such it has structured programming semantics, on the other side, RMI is a Java based technology and it's object oriented.

With RPC you can just call remote functions exported into a server, in RMI you can have references to remote objects and invoke their methods, and also pass and return more remote object references that can be distributed among many JVM instances, so it's much more powerful.

RMI stands out when the need to develop something more complex than a pure client-server architecture arises. It's very easy to spread out objects over a network enabling all the clients to communicate without having to stablish individual connections explicitly.

Use:

<!-- This is a comment for an HTML page and it will not display in the browser -->

For more information, I think 3 On SGML and HTML may help you.

solution :

delete from emp where rowid in
(
    select rid from
    (
        select rowid rid,
        row_number() over(partition by empno order by empno) rn
        from emp
    )
    where rn > 1
);

You could try using Python's variable arguments feature:

def myfunction(*args):
    for x in args:
        # Do stuff with specific argument here

startActivity(new Intent(context, ListofProducts.class)
    .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
    .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK));

You can also use .reverse(). It's a native array function

<div ng-repeat="friend in friends.reverse()">{{friend.name}}</div>

plt.errorbar can be used to plot x, y, error data (as opposed to the usual plt.plot)

import matplotlib.pyplot as plt
import numpy as np

x = np.array([1, 2, 3, 4, 5])
y = np.power(x, 2) # Effectively y = x**2
e = np.array([1.5, 2.6, 3.7, 4.6, 5.5])

plt.errorbar(x, y, e, linestyle='None', marker='^')

plt.show()

plt.errorbar accepts the same arguments as plt.plot with additional yerr and xerr which default to None (i.e. if you leave them blank it will act as plt.plot).

I have found that the best place is in NgAfterViewChecked(). I tried to execute code that would scroll to an ng-accordion panel when the page was loaded. I tried putting the code in NgAfterViewInit() but it did not work there (NPE). The problem was that the element had not been rendered yet. There is a problem with putting it in NgAfterViewChecked(). NgAfterViewChecked() is called several times as the page is rendered. Some calls are made before the element is rendered. This means a check for null may be required to guard the code from NPE. I am using Angular 8.

I think this is a file problem, you simple saved your file in 1-byte encoding like latin-1. Google up your editor and how to set files to utf-8.

I wonder why there are editors that don't default to utf-8.

Monolithic kernel

All the parts of a kernel like the Scheduler, File System, Memory Management, Networking Stacks, Device Drivers, etc., are maintained in one unit within the kernel in Monolithic Kernel

Advantages

•Faster processing

Disadvantages

•Crash Insecure •Porting Inflexibility •Kernel Size explosion

Examples •MS-DOS, Unix, Linux

Micro kernel

Only the very important parts like IPC(Inter process Communication), basic scheduler, basic memory handling, basic I/O primitives etc., are put into the kernel. Communication happen via message passing. Others are maintained as server processes in User Space

Advantages

•Crash Resistant, Portable, Smaller Size

Disadvantages

•Slower Processing due to additional Message Passing

Examples •Windows NT

You can solve this in two ways:

First way: If you wish to keep using REST you have to you a ModelAndView object to render a HTML page. An example is being posted by Happy Nguyen and I am posting it once more here:

@RequestMapping("/")
public ModelAndView index () {
    ModelAndView modelAndView = new ModelAndView();
    modelAndView.setViewName("index");
    return modelAndView;
}

Second Way: If it is not important weather you keep using REST or not, so you can just change the @RestController to @Controller and make sure that you have already added Thymeleaf template engine.

You could use the :first-child and :last-child pseudo-selectors:

tr td:first-child,
tr td:last-child {
    /* styles */
}

This should work in all major browsers, but IE7 has some problems when elements are added dynamically (and it won't work in IE6).

Andre Silva's answer works great for me, with one caveat in the "barplot" line:

barplot(mtcars$qsec, col="grey50", 
    main="",
    ylab="mtcars - qsec", ylim=c(0,5+max(mtcars$qsec)),
    xlab = "",
    xaxt = "n", 
    space=1)

Notice the "xaxt" argument. Without it, the labels are drawn twice, the first time without the 60 degree rotation.

I would be late but I found a solution for it.Working fine for me, I just changed the paths XML file to:

 <?xml version="1.0" encoding="utf-8"?>
<paths>
    <root-path name="root" path="." />
</paths>

I encountered the same problem when I request certain images from page. I use JavaScript to set the src attribute of an img object and if the network is poor pending will be displayed in the network panel of chrome developer window. I think it's due to the poor network.

props.children represents the content between the opening and the closing tags when invoking/rendering a component:

const Foo = props => (
  <div>
    <p>I'm {Foo.name}</p>
    <p>abc is: {props.abc}</p>

    <p>I have {props.children.length} children.</p>
    <p>They are: {props.children}.</p>
    <p>{Array.isArray(props.children) ? 'My kids are an array.' : ''}</p>
  </div>
);

const Baz = () => <span>{Baz.name} and</span>;
const Bar = () => <span> {Bar.name}</span>;

invoke/call/render Foo:

<Foo abc={123}>
  <Baz />
  <Bar />
</Foo>

I recently encountered this problem and stumbled upon this question.

I resolved it with a much easier way.

Method One

You can either remove the dataType: 'json' property from the object literal...

Method Two

Or you can do what @Sagiv was saying by returning your data as Json.

The reason why this parsererror message occurs is that when you simply return a string or another value, it is not really Json, so the parser fails when parsing it.

So if you remove the dataType: json property, it will not try to parse it as Json.

With the other method if you make sure to return your data as Json, the parser will know how to handle it properly.

Nothing above worked for me, so this is what worked:

pod setup
Ctrl +C
pod repo remove master
cd ~/.cocoapods/repos 
git clone https://github.com/CocoaPods/Specs master

Once completed it worked.

Cheers!

In Chrome, right click in the console and check 'preserve log on navigation'.

My guess is that you load jQuery in the <head> section of your page. While this is not harmful, it slows down page load. Try using this pattern to speed up initial loading time of the DOM-Tree:

<!doctype html>
<html>
<head>
    <title></title>
    <meta charset="utf-8">

    <!-- CSS -->
    <link rel="stylesheet" type="text/css" href="">
</head>

<body>
    <!-- PAGE CONTENT -->

    <!-- JS -->
    <script type="text/javascript" src="http://code.jquery.com/jquery-1.7.2.min.js"></script>
    <script>
        $(function() {
            $('body').append('<p>I can happily use jQuery</p>');
        });
    </script>
</body>

</html>

Just add your scripts at the end of your <body>tag.

There are some scripts that need to be in the head due to practical reasons, the most prominent library being Modernizr

You can put it in a different class and then call a function. This works when ajax refresh

$(document).on("change", ".inputQty", function(e) {

//Call a function(input,input);
});

Opera also has some support.

Generally however, it is too early to test out. You'll probably have to wait a year or 2 before any browser will have enough realistic support to test against.

EDIT Wikipedia has a good article on how much of HTML 5 various layout engines have implemented. It includes specific aspects of HTML 5.

This is not a question about make, it is a question about the semantic of the #include directive.

The problem is, that there is no file at the path "../StdCUtil/StdCUtil/split.h". This is the path that results when the compiler combines the include path "../StdCUtil" with the relative path from the #include directive "StdCUtil/split.h".

To fix this, just use -I.. instead of -I../StdCUtil.

In this example the loop is run every second for ten seconds:

import datetime, time
then = datetime.datetime.now() + datetime.timedelta(seconds=10)
while then > datetime.datetime.now():
    print 'sleeping'
    time.sleep(1)

Just simply use this Style of DataGridRow:

<DataGrid.RowStyle>
        <Style TargetType="DataGridRow">
            <Setter Property="IsEnabled" Value="{Binding RelativeSource={RelativeSource Self},Path=IsNewItem,Mode=OneWay}" />
        </Style>
</DataGrid.RowStyle>

Want to center an image? Very easy, Bootstrap comes with two classes, .center-block and text-center.

Use the former in the case of your image being a BLOCK element, for example, adding img-responsive class to your img makes the img a block element. You should know this if you know how to navigate in the web console and see applied styles to an element.

Don't want to use a class? No problem, here is the CSS bootstrap uses. You can make a custom class or write a CSS rule for the element to match the Bootstrap class.

 // In case you're dealing with a block element apply this to the element itself 
.center-block {
   margin-left:auto;
   margin-right:auto;
   display:block;
}

// In case you're dealing with a inline element apply this to the parent 
.text-center {
   text-align:center
}

Look in the FILES and ENVIRONMENT section of git help config.

In a situation where you have this:

enum fruit {
    apple, 
    orange, 
    grape,
    banana,
    // etc.
};

I like to put this in the header file where the enum is defined:

static inline char *stringFromFruit(enum fruit f)
{
    static const char *strings[] = { "apple", "orange", "grape", "banana", /* continue for rest of values */ };

    return strings[f];
}

The wiki is talking from a forked repo point of view. You have access to pull and push from origin, which will be your fork of the main diaspora repo. To pull in changes from this main repo, you add a remote, "upstream" in your local repo, pointing to this original and pull from it.

So "origin" is a clone of your fork repo, from which you push and pull. "Upstream" is a name for the main repo, from where you pull and keep a clone of your fork updated, but you don't have push access to it.

No one mentioned this, but in conjunction to the other responses, you can also get the apk file from your bin directory to your phone or tablet by putting it on a web site and just downloading it.

Your device will complain about installing it after you download it. Your device will advise you or a risk of installing programs from unknown sources and give you the option to bypass the advice.

Your question is very specific. You don't have to pull it from your emulator, just grab the apk file from the bin folder in your project and place it on your real device.

Most people are giving you valuable information for the next step (signing and publishing your apk), you are not required to do that step to get it on your real device.

Downloading it to your real device is a simple method.

If you need performance and know the maximum size of the string use this:

String zeroPad = "0000000000000000";
String str0 = zeroPad.substring(str.length()) + str;

Be aware of the maximum string size. If it is bigger then the StringBuffer size, you'll get a java.lang.StringIndexOutOfBoundsException.

You could also tell MySQL to execute the commands in the given file, like so:

mysql --user=root --password=sa casemanager < CaseManager.sql

Above are the preferred method but "cat" command can also helpful:

cat -n <filename>

Will show you whole content of file with line numbers.

Finally, I got a solution for reloading page once after two months research.

It works fine on my clientside JS project.

I wrote a function that below reloading page only once.

1) First getting browser domloading time

2) Get current timestamp

3) Browser domloading time + 10 seconds

4) If Browser domloading time + 10 seconds bigger than current now timestamp then page is able to be refreshed via "reloadPage();"

But if it's not bigger than 10 seconds that means page is just reloaded thus It will not be reloaded repeatedly.

5) Therefore if you call "reloadPage();" function in somewhere in your js file page will only be reloaded once.

Hope that helps somebody

// Reload Page Function //
                function reloadPage() {
                    var currentDocumentTimestamp = new Date(performance.timing.domLoading).getTime();
                    // Current Time //
                    var now = Date.now();
                    // Total Process Lenght as Minutes //
                    var tenSec = 10 * 1000;
                    // End Time of Process //
                    var plusTenSec = currentDocumentTimestamp + tenSec;
                    if (now > plusTenSec) {
                        location.reload();
                    }
                }


                // You can call it in somewhere //
                reloadPage();

The easiest way is to use toolbarHeight property in your AppBar

Example :

AppBar(
   title: Text('Flutter is great'),
   toolbarHeight: 100,
  ),

You can add flexibleSpace property in your appBar for more flexibility

Output:

For more controls , Use the PreferedSize widget to create your own appBar

Example :

appBar: PreferredSize(
     preferredSize: Size(100, 80), //width and height 
          // The size the AppBar would prefer if there were no other constraints.
     child: SafeArea(
       child: Container(
         height: 100,
         color: Colors.red,
         child: Center(child: Text('Fluter is great')),
       ),
     ),
),

Don't forget to use a SafeArea widget if you don't have a safeArea

Output :

Put the values in a temporary table and then do a select where id in (select id from temptable)

Since all the players are numbered I would just use an ArrayList<Player>()

Something like

List<Player> players = new ArrayList<Player>();

System.out.printf("Give the number of the players ");
int number_of_players = scanner.nextInt();
scanner.nextLine(); // discard the rest of the line.

for(int k = 0;k < number_of_players; k++){
     System.out.printf("Give the name of player %d: ", k + 1);
     String name_of_player = scanner.nextLine();
     players.add(new Player(name_of_player,0)); //k=id and 0=score
}

for(Player player: players) {  
    System.out.println("Name of player in this round:" + player.getName());

Fix the screen orientation (landscape or portrait) in AndroidManifest.xml

android:screenOrientation="portrait" or android:screenOrientation="landscape"

for this your onResume() method is not called.

I am trying to Understand your Question and it seems that you want the values in the first JSP to be available in the Second JSP.

1. It is very bad Habit to Place Java Code snippets Inside JSP file, so that code snippet should go to a servlet.

2. Pick the values in a servlet ie.

   String username = request.getParameter("username");
   String password = request.getParameter("password");
   

3. Then Store the Values inside the Session:

   HttpSession sess = request.getSession(); 
   sess.setAttribute("username", username);
   sess.setAttribute("password", password);
   

4. These values Will be available anywhere in the Application as long as the session is valid.

   HttpSession sess = request.getSession(false); //use false to use the existing session
   sess.getAttribute("username");//this will return username anytime in the session
   sess.getAttribute("password");//this will return password Any time in the session
   

I hope this is what you wanted to know, but please do not use code snippets in the JSP. You can always get the values into the JSP using jstl in the JSPs:

 ${username}//this will give you the username in the JSP
 ${password}// this will give you the password in the JSP

Through trial and error, it seems if the user was originally created "without login" then this query

select * from sys.database_principals

will show authentication_type = 0 (NONE).

Apparently these users cannot be re-linked to any login (pre-existing or new, SQL or Windows) since this command:

alter user [TempUser] with login [TempLogin]

responds with the Remap Error "Msg 33016" shown in the question.

Also these users do not show up in classic (deprecating) SP report:

exec sp_change_users_login 'Report'

If anyone knows a way around this or how to change authentication_type, please comment.

This is a very old question, but my answer may help someone.

• In the encrypt method, don't forget to encode your string to Base64
• In the decrypt method, don't forget to decode your string to Base64

Below is the working code

    import java.util.Arrays;
    import java.util.Base64;

    import javax.crypto.Cipher;
    import javax.crypto.SecretKey;
    import javax.crypto.spec.SecretKeySpec;

    public class EncryptionDecryptionUtil {

    public static String encrypt(final String secret, final String data) {


        byte[] decodedKey = Base64.getDecoder().decode(secret);

        try {
            Cipher cipher = Cipher.getInstance("AES");
            // rebuild key using SecretKeySpec
            SecretKey originalKey = new SecretKeySpec(Arrays.copyOf(decodedKey, 16), "AES");
            cipher.init(Cipher.ENCRYPT_MODE, originalKey);
            byte[] cipherText = cipher.doFinal(data.getBytes("UTF-8"));
            return Base64.getEncoder().encodeToString(cipherText);
        } catch (Exception e) {
            throw new RuntimeException(
                    "Error occured while encrypting data", e);
        }

    }

    public static String decrypt(final String secret,
            final String encryptedString) {


        byte[] decodedKey = Base64.getDecoder().decode(secret);

        try {
            Cipher cipher = Cipher.getInstance("AES");
            // rebuild key using SecretKeySpec
            SecretKey originalKey = new SecretKeySpec(Arrays.copyOf(decodedKey, 16), "AES");
            cipher.init(Cipher.DECRYPT_MODE, originalKey);
            byte[] cipherText = cipher.doFinal(Base64.getDecoder().decode(encryptedString));
            return new String(cipherText);
        } catch (Exception e) {
            throw new RuntimeException(
                    "Error occured while decrypting data", e);
        }
    }


    public static void main(String[] args) {

        String data = "This is not easy as you think";
        String key = "---------------------------------";
        String encrypted = encrypt(key, data);
        System.out.println(encrypted);
        System.out.println(decrypt(key, encrypted));
      }
  }

For Generating Key you can use below class

    import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Base64;

import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;

public class SecretKeyGenerator {

    public static void main(String[] args) throws NoSuchAlgorithmException {

        KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");

        SecureRandom secureRandom = new SecureRandom();
        int keyBitSize = 256;
        keyGenerator.init(keyBitSize, secureRandom);

        SecretKey secretKey = keyGenerator.generateKey();

 System.out.println(Base64.getEncoder().encodeToString(secretKey.getEncoded()));
    }

}

Update: This answer is old. Intellij has since added actions to adjust font size. Check out Wilker's answer for assigning the new actions to keymaps.

Try Ctrl+Mouse Wheel which can be enabled under File > Settings... > Editor > General : Change font size (Zoom) with Ctrl+Mouse Wheel

If you want to alter order for columns in Sql server, There is no direct way to do this in SQL Server currently.

Have a look at http://blog.sqlauthority.com/2008/04/08/sql-server-change-order-of-column-in-database-tables/

You can change order while edit design for table.

Save your workbook. If this code doesn't do what you want, the only way to go back is to close without saving and reopen.

Select the data you want to list in one column. Must be contiguous columns. May contain blank cells.

Press Alt+F11 to open the VBE

Press Control+R to view the Project Explorer

Navigate to the project for your workbook and choose Insert - Module

Paste this code in the code pane

Sub MakeOneColumn()

    Dim vaCells As Variant
    Dim vOutput() As Variant
    Dim i As Long, j As Long
    Dim lRow As Long

    If TypeName(Selection) = "Range" Then
        If Selection.Count > 1 Then
            If Selection.Count <= Selection.Parent.Rows.Count Then
                vaCells = Selection.Value

                ReDim vOutput(1 To UBound(vaCells, 1) * UBound(vaCells, 2), 1 To 1)

                For j = LBound(vaCells, 2) To UBound(vaCells, 2)
                    For i = LBound(vaCells, 1) To UBound(vaCells, 1)
                        If Len(vaCells(i, j)) > 0 Then
                            lRow = lRow + 1
                            vOutput(lRow, 1) = vaCells(i, j)
                        End If
                    Next i
                Next j

                Selection.ClearContents
                Selection.Cells(1).Resize(lRow).Value = vOutput
            End If
        End If
    End If

End Sub

Press F5 to run the code

In my case I am using the log4j2 Json file log4j2.json in the classpath of my gradle project and I got the same error.

The solution here was to add dependency for JSON handling to my gradle dependencies.

compile group:"com.fasterxml.jackson.core", name:"jackson-core", version:'2.8.4'
compile group:"com.fasterxml.jackson.core", name:"jackson-databind", version:'2.8.4'
compile group:"com.fasterxml.jackson.core", name:"jackson-annotations", version:'2.8.4'

See also documentation of log4j2:

The JSON support uses the Jackson Data Processor to parse the JSON files. These dependencies must be added to a project that wants to use JSON for configuration:

Use Gradle to build your project, then the jar is within the build file. Here is a Stack Overflow link on how to build .jar files with Gradle.

Java project with Gradle and building jar file in Intellij IDEA - how to?

Youre looking for the builtin function zip.

If it ain't broke - fix it till it is...just kidding :)

But seriously BackgroundWorker is probably very similar to what you already have, had you started with it from the beginning maybe you would have saved some time - but at this point I don't see the need. Unless something isn't working, or you think your current code is hard to understand, then I would stick with what you have.

Using hbm.xml

    <composite-id>

        <!--<key-many-to-one name="productId" class="databaselayer.users.UserDB" column="user_name"/>-->
        <key-property name="productId" column="PRODUCT_Product_ID" type="int"/>
        <key-property name="categoryId" column="categories_id" type="int" />
    </composite-id>  

Using Annotation

Composite Key Class

public  class PK implements Serializable{
    private int PRODUCT_Product_ID ;    
    private int categories_id ;

    public PK(int productId, int categoryId) {
        this.PRODUCT_Product_ID = productId;
        this.categories_id = categoryId;
    }

    public int getPRODUCT_Product_ID() {
        return PRODUCT_Product_ID;
    }

    public void setPRODUCT_Product_ID(int PRODUCT_Product_ID) {
        this.PRODUCT_Product_ID = PRODUCT_Product_ID;
    }

    public int getCategories_id() {
        return categories_id;
    }

    public void setCategories_id(int categories_id) {
        this.categories_id = categories_id;
    }

    private PK() { }

    @Override
    public boolean equals(Object o) {
        if ( this == o ) {
            return true;
        }

        if ( o == null || getClass() != o.getClass() ) {
            return false;
        }

        PK pk = (PK) o;
        return Objects.equals(PRODUCT_Product_ID, pk.PRODUCT_Product_ID ) &&
                Objects.equals(categories_id, pk.categories_id );
    }

    @Override
    public int hashCode() {
        return Objects.hash(PRODUCT_Product_ID, categories_id );
    }
}

Entity Class

@Entity(name = "product_category")
@IdClass( PK.class )
public  class ProductCategory implements Serializable {
    @Id    
    private int PRODUCT_Product_ID ;   

    @Id 
    private int categories_id ;

    public ProductCategory(int productId, int categoryId) {
        this.PRODUCT_Product_ID = productId ;
        this.categories_id = categoryId;
    }

    public ProductCategory() { }

    public int getPRODUCT_Product_ID() {
        return PRODUCT_Product_ID;
    }

    public void setPRODUCT_Product_ID(int PRODUCT_Product_ID) {
        this.PRODUCT_Product_ID = PRODUCT_Product_ID;
    }

    public int getCategories_id() {
        return categories_id;
    }

    public void setCategories_id(int categories_id) {
        this.categories_id = categories_id;
    }

    public void setId(PK id) {
        this.PRODUCT_Product_ID = id.getPRODUCT_Product_ID();
        this.categories_id = id.getCategories_id();
    }

    public PK getId() {
        return new PK(
            PRODUCT_Product_ID,
            categories_id
        );
    }    
}

Here is an updated version of Bryan's query for 2008 and later. It uses INFORMATION_SCHEMA.COLUMNS, adds variables for the table schema and table name. The column data type was added to the output. Including the column data type helps when looking for a column of a particular data type. I didn't added the column widths or anything.

For output the RAISERROR ... WITH NOWAIT is used so text will display immediately instead of all at once (for the most part) at the end like PRINT does.

SET NOCOUNT ON;

DECLARE
 @ColumnName sysname
,@DataType nvarchar(128)
,@cmd nvarchar(max)
,@TableSchema nvarchar(128) = 'dbo'
,@TableName sysname = 'TableName';

DECLARE getinfo CURSOR FOR
SELECT
     c.COLUMN_NAME
    ,c.DATA_TYPE
FROM
    INFORMATION_SCHEMA.COLUMNS AS c
WHERE
    c.TABLE_SCHEMA = @TableSchema
    AND c.TABLE_NAME = @TableName;

OPEN getinfo;

FETCH NEXT FROM getinfo INTO @ColumnName, @DataType;

WHILE @@FETCH_STATUS = 0
BEGIN
    SET @cmd = N'IF NOT EXISTS (SELECT * FROM ' + @TableSchema + N'.' + @TableName + N' WHERE [' + @ColumnName + N'] IS NOT NULL) RAISERROR(''' + @ColumnName + N' (' + @DataType + N')'', 0, 0) WITH NOWAIT;';
    EXECUTE (@cmd);

    FETCH NEXT FROM getinfo INTO @ColumnName, @DataType;
END;

CLOSE getinfo;
DEALLOCATE getinfo;

The bottom line is that virtual functions make life easier. Let's use some of M Perry's ideas and describe what would happen if we didn't have virtual functions and instead only could use member-function pointers. We have, in the normal estimation without virtual functions:

 class base {
 public:
 void helloWorld() { std::cout << "Hello World!"; }
  };

 class derived: public base {
 public:
 void helloWorld() { std::cout << "Greetings World!"; }
 };

 int main () {
      base hwOne;
      derived hwTwo = new derived();
      base->helloWorld(); //prints "Hello World!"
      derived->helloWorld(); //prints "Hello World!"

Ok, so that is what we know. Now let's try to do it with member-function pointers:

 #include <iostream>
 using namespace std;

 class base {
 public:
 void helloWorld() { std::cout << "Hello World!"; }
 };

 class derived : public base {
 public:
 void displayHWDerived(void(derived::*hwbase)()) { (this->*hwbase)(); }
 void(derived::*hwBase)();
 void helloWorld() { std::cout << "Greetings World!"; }
 };

 int main()
 {
 base* b = new base(); //Create base object
 b->helloWorld(); // Hello World!
 void(derived::*hwBase)() = &derived::helloWorld; //create derived member 
 function pointer to base function
 derived* d = new derived(); //Create derived object. 
 d->displayHWDerived(hwBase); //Greetings World!

 char ch;
 cin >> ch;
 }

While we can do some things with member-function pointers, they aren't as flexible as virtual functions. It is tricky to use a member-function pointer in a class; the member-function pointer almost, at least in my practice, always must be called in the main function or from within a member function as in the above example.

On the other hand, virtual functions, while they might have some function-pointer overhead, do simplify things dramatically.

EDIT: There is another method which is similar by eddietree: c++ virtual function vs member function pointer (performance comparison) .

Window functions:

Something like this should do the trick:

import org.apache.spark.sql.functions.{row_number, max, broadcast}
import org.apache.spark.sql.expressions.Window

val df = sc.parallelize(Seq(
  (0,"cat26",30.9), (0,"cat13",22.1), (0,"cat95",19.6), (0,"cat105",1.3),
  (1,"cat67",28.5), (1,"cat4",26.8), (1,"cat13",12.6), (1,"cat23",5.3),
  (2,"cat56",39.6), (2,"cat40",29.7), (2,"cat187",27.9), (2,"cat68",9.8),
  (3,"cat8",35.6))).toDF("Hour", "Category", "TotalValue")

val w = Window.partitionBy($"hour").orderBy($"TotalValue".desc)

val dfTop = df.withColumn("rn", row_number.over(w)).where($"rn" === 1).drop("rn")

dfTop.show
// +----+--------+----------+
// |Hour|Category|TotalValue|
// +----+--------+----------+
// |   0|   cat26|      30.9|
// |   1|   cat67|      28.5|
// |   2|   cat56|      39.6|
// |   3|    cat8|      35.6|
// +----+--------+----------+

This method will be inefficient in case of significant data skew.

Plain SQL aggregation followed by join:

Alternatively you can join with aggregated data frame:

val dfMax = df.groupBy($"hour".as("max_hour")).agg(max($"TotalValue").as("max_value"))

val dfTopByJoin = df.join(broadcast(dfMax),
    ($"hour" === $"max_hour") && ($"TotalValue" === $"max_value"))
  .drop("max_hour")
  .drop("max_value")

dfTopByJoin.show

// +----+--------+----------+
// |Hour|Category|TotalValue|
// +----+--------+----------+
// |   0|   cat26|      30.9|
// |   1|   cat67|      28.5|
// |   2|   cat56|      39.6|
// |   3|    cat8|      35.6|
// +----+--------+----------+

It will keep duplicate values (if there is more than one category per hour with the same total value). You can remove these as follows:

dfTopByJoin
  .groupBy($"hour")
  .agg(
    first("category").alias("category"),
    first("TotalValue").alias("TotalValue"))

Using ordering over structs:

Neat, although not very well tested, trick which doesn't require joins or window functions:

val dfTop = df.select($"Hour", struct($"TotalValue", $"Category").alias("vs"))
  .groupBy($"hour")
  .agg(max("vs").alias("vs"))
  .select($"Hour", $"vs.Category", $"vs.TotalValue")

dfTop.show
// +----+--------+----------+
// |Hour|Category|TotalValue|
// +----+--------+----------+
// |   0|   cat26|      30.9|
// |   1|   cat67|      28.5|
// |   2|   cat56|      39.6|
// |   3|    cat8|      35.6|
// +----+--------+----------+

With DataSet API (Spark 1.6+, 2.0+):

Spark 1.6:

case class Record(Hour: Integer, Category: String, TotalValue: Double)

df.as[Record]
  .groupBy($"hour")
  .reduce((x, y) => if (x.TotalValue > y.TotalValue) x else y)
  .show

// +---+--------------+
// | _1|            _2|
// +---+--------------+
// |[0]|[0,cat26,30.9]|
// |[1]|[1,cat67,28.5]|
// |[2]|[2,cat56,39.6]|
// |[3]| [3,cat8,35.6]|
// +---+--------------+

Spark 2.0 or later:

df.as[Record]
  .groupByKey(_.Hour)
  .reduceGroups((x, y) => if (x.TotalValue > y.TotalValue) x else y)

The last two methods can leverage map side combine and don't require full shuffle so most of the time should exhibit a better performance compared to window functions and joins. These cane be also used with Structured Streaming in completed output mode.

Don't use:

df.orderBy(...).groupBy(...).agg(first(...), ...)

It may seem to work (especially in the local mode) but it is unreliable (see SPARK-16207, credits to Tzach Zohar for linking relevant JIRA issue, and SPARK-30335).

The same note applies to

df.orderBy(...).dropDuplicates(...)

which internally uses equivalent execution plan.

try this dirty way

 ('' + obj).includes('{')

Rules:

1. Do what the code you are editing does
2. If #1 doesn't apply, use camelCase, no underscores

I'm not claiming that it's simple, but you mentioned bonus for one-liners ;-)

Collection mergedList = Collections.list(new sun.misc.CompoundEnumeration(new Enumeration[] {
    new Vector(list1).elements(),
    new Vector(list2).elements(),
    ...
}))

You could put it as a startup item... Startup items don't show off a prompt to run as an administrator at all.

Check this article Elevated Program Shortcut Without UAC rompt

IANA has registered the official MIME Type for JSON as application/json.

When asked about why not text/json, Crockford seems to have said JSON is not really JavaScript nor text and also IANA was more likely to hand out application/* than text/*.

More resources:

• Media Types
• Request for Comments 4627
• bluesmoon: JSON has a type

You can easily add multiple classes to divs... So:

<div class="myclass myclass-one"></div>
<div class="myclass myclass-two"></div>
<div class="myclass myclass-three"></div>

Then in the CSS call to the share class to apply the same styles:

.myclass {...}

And you can still use your other classes like this:

.myclass-three {...}

Or if you want to be more specific in the CSS like this:

.myclass.myclass-three {...}

You can do it with dynamic_cast (at least for polymorphic types).

Actually, on second thought--you can't tell if it is SPECIFICALLY a particular type with dynamic_cast--but you can tell if it is that type or any subclass thereof.

template <class DstType, class SrcType>
bool IsType(const SrcType* src)
{
  return dynamic_cast<const DstType*>(src) != nullptr;
}

Typically you would always put the hyphen first in the [] match section. EG, to match any alphanumeric character including hyphens (written the long way), you would use [-a-zA-Z0-9]

In my case there was no DEFINER or root@localhost mentioned in my SQL file. Actually I was trying to import and run SQL file into SQLYog from Database->Import->Execute SQL Script menu. That was giving error.

Then I copied all the script from SQL file and ran in SQLYog query editor. That worked perfectly fine.