string[] TobeDistinct = {"Name","City","State"};
DataTable dtDistinct = GetDistinctRecords(DTwithDuplicate, TobeDistinct);

//Following function will return Distinct records for Name, City and State column.
public static DataTable GetDistinctRecords(DataTable dt, string[] Columns)
{
    DataTable dtUniqRecords = new DataTable();
    dtUniqRecords = dt.DefaultView.ToTable(true, Columns);
    return dtUniqRecords;
}

Add this:

tools:replace="android:appComponentFactory"
android:appComponentFactory="whateverString"

to your manifest application

<application
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    tools:replace="android:appComponentFactory"
    android:appComponentFactory="whateverString">

hope it helps

I've written the tests that compare using regular expressions (as per other answers) against not using regular expressions. Tests done on a quad core OSX10.8 machine running Java 1.6

Interestingly using regular expressions turns out to be about 5-10 times slower than manually iterating over a string. Furthermore the isAlphanumeric2() function is marginally faster than isAlphanumeric(). One supports the case where extended Unicode numbers are allowed, and the other is for when only standard ASCII numbers are allowed.

public class QuickTest extends TestCase {

    private final int reps = 1000000;

    public void testRegexp() {
        for(int i = 0; i < reps; i++)
            ("ab4r3rgf"+i).matches("[a-zA-Z0-9]");
    }

public void testIsAlphanumeric() {
    for(int i = 0; i < reps; i++)
        isAlphanumeric("ab4r3rgf"+i);
}

public void testIsAlphanumeric2() {
    for(int i = 0; i < reps; i++)
        isAlphanumeric2("ab4r3rgf"+i);
}

    public boolean isAlphanumeric(String str) {
        for (int i=0; i<str.length(); i++) {
            char c = str.charAt(i);
            if (!Character.isLetterOrDigit(c))
                return false;
        }

        return true;
    }

    public boolean isAlphanumeric2(String str) {
        for (int i=0; i<str.length(); i++) {
            char c = str.charAt(i);
            if (c < 0x30 || (c >= 0x3a && c <= 0x40) || (c > 0x5a && c <= 0x60) || c > 0x7a)
                return false;
        }
        return true;
    }

}

You can set the datagridview DataSource to null and rebind it again.

private void button1_Click(object sender, EventArgs e)
{
    myAccesscon.ConnectionString = connectionString;

    dataGridView.DataSource = null;
    dataGridView.Update();
    dataGridView.Refresh();
    OleDbCommand cmd = new OleDbCommand(sql, myAccesscon);
    myAccesscon.Open();
    cmd.CommandType = CommandType.Text;
    OleDbDataAdapter da = new OleDbDataAdapter(cmd);
    DataTable bookings = new DataTable();
    da.Fill(bookings);
    dataGridView.DataSource = bookings;
    myAccesscon.Close();
}

You'll need to keep the current value of the input in state (or pass changes in its value up to a parent via a callback function, or sideways, or <your app's state management solution here> such that it eventually gets passed back into your component as a prop) so you can derive the disabled prop for the button.

Example using state:

<meta charset="UTF-8">_x000D_
<script src="https://fb.me/react-0.13.3.js"></script>_x000D_
<script src="https://fb.me/JSXTransformer-0.13.3.js"></script>_x000D_
<div id="app"></div>_x000D_
<script type="text/jsx;harmony=true">void function() { "use strict";_x000D_
_x000D_
var App = React.createClass({_x000D_
  getInitialState() {_x000D_
    return {email: ''}_x000D_
  },_x000D_
  handleChange(e) {_x000D_
    this.setState({email: e.target.value})_x000D_
  },_x000D_
  render() {_x000D_
    return <div>_x000D_
      <input name="email" value={this.state.email} onChange={this.handleChange}/>_x000D_
      <button type="button" disabled={!this.state.email}>Button</button>_x000D_
    </div>_x000D_
  }_x000D_
})_x000D_
_x000D_
React.render(<App/>, document.getElementById('app'))_x000D_
_x000D_
}()</script>

If say, you want to iterate over the values collection by default, I believe you can implement IEnumerable<>, Where T is the type of the values object in the dictionary, and "this" is a Dictionary.

public new IEnumerator<T> GetEnumerator()
{
   return this.Values.GetEnumerator();
}

This should do the trick

public static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject
{
    if (depObj != null)
    {
        for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
        {
            DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
            if (child != null && child is T)
            {
                yield return (T)child;
            }

            foreach (T childOfChild in FindVisualChildren<T>(child))
            {
                yield return childOfChild;
            }
        }
    }
}

then you enumerate over the controls like so

foreach (TextBlock tb in FindVisualChildren<TextBlock>(window))
{
    // do something with tb here
}

You must have a server-side script to handle your request, it can't be done using javascript.

To send raw data without URIencoding or escaping special characters to the php and save it as new txt file you can send ajax request using post method and FormData like:

JS:

var data = new FormData();
data.append("data" , "the_text_you_want_to_save");
var xhr = (window.XMLHttpRequest) ? new XMLHttpRequest() : new activeXObject("Microsoft.XMLHTTP");
xhr.open( 'post', '/path/to/php', true );
xhr.send(data);

PHP:

if(!empty($_POST['data'])){
$data = $_POST['data'];
$fname = mktime() . ".txt";//generates random name

$file = fopen("upload/" .$fname, 'w');//creates new file
fwrite($file, $data);
fclose($file);
}

Edit:

As Florian mentioned below, the XHR fallback is not required since FormData is not supported in older browsers (formdata browser compatibiltiy), so you can declare XHR variable as:

var xhr = new XMLHttpRequest();

Also please note that this works only for browsers that support FormData such as IE +10.

The warning from your compiler is telling you that your format specifier doesn't match the data type you're passing to it.

Try using %lx or %llx. For more portability, include inttypes.h and use the PRIx64 macro.

For example: printf("val = 0x%" PRIx64 "\n", val); (note that it's string concatenation)

I understood that you want to remove from the array using a condition and have another array that has items removed from the array. Is right?

How about this?

var review = ['a', 'b', 'c', 'ab', 'bc'];_x000D_
var filtered = [];_x000D_
for(var i=0; i < review.length;) {_x000D_
  if(review[i].charAt(0) == 'a') {_x000D_
    filtered.push(review.splice(i,1)[0]);_x000D_
  }else{_x000D_
    i++;_x000D_
  }_x000D_
}_x000D_
_x000D_
console.log("review", review);_x000D_
console.log("filtered", filtered);

Hope this help...

By the way, I compared 'for-loop' to 'forEach'.

If remove in case a string contains 'f', a result is different.

var review = ["of", "concat", "copyWithin", "entries", "every", "fill", "filter", "find", "findIndex", "flatMap", "flatten", "forEach", "includes", "indexOf", "join", "keys", "lastIndexOf", "map", "pop", "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toSource", "toString", "unshift", "values"];_x000D_
var filtered = [];_x000D_
for(var i=0; i < review.length;) {_x000D_
  if( review[i].includes('f')) {_x000D_
    filtered.push(review.splice(i,1)[0]);_x000D_
  }else {_x000D_
    i++;_x000D_
  }_x000D_
}_x000D_
console.log("review", review);_x000D_
console.log("filtered", filtered);_x000D_
/**_x000D_
 * review [  "concat",  "copyWithin",  "entries",  "every",  "includes",  "join",  "keys",  "map",  "pop",  "push",  "reduce",  "reduceRight",  "reverse",  "slice",  "some",  "sort",  "splice",  "toLocaleString",  "toSource",  "toString",  "values"] _x000D_
 */_x000D_
_x000D_
console.log("========================================================");_x000D_
review = ["of", "concat", "copyWithin", "entries", "every", "fill", "filter", "find", "findIndex", "flatMap", "flatten", "forEach", "includes", "indexOf", "join", "keys", "lastIndexOf", "map", "pop", "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toSource", "toString", "unshift", "values"];_x000D_
filtered = [];_x000D_
_x000D_
review.forEach(function(item,i, object) {_x000D_
  if( item.includes('f')) {_x000D_
    filtered.push(object.splice(i,1)[0]);_x000D_
  }_x000D_
});_x000D_
_x000D_
console.log("-----------------------------------------");_x000D_
console.log("review", review);_x000D_
console.log("filtered", filtered);_x000D_
_x000D_
/**_x000D_
 * review [  "concat",  "copyWithin",  "entries",  "every",  "filter",  "findIndex",  "flatten",  "includes",  "join",  "keys",  "map",  "pop",  "push",  "reduce",  "reduceRight",  "reverse",  "slice",  "some",  "sort",  "splice",  "toLocaleString",  "toSource",  "toString",  "values"]_x000D_
 */

And remove by each iteration, also a result is different.

var review = ["of", "concat", "copyWithin", "entries", "every", "fill", "filter", "find", "findIndex", "flatMap", "flatten", "forEach", "includes", "indexOf", "join", "keys", "lastIndexOf", "map", "pop", "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toSource", "toString", "unshift", "values"];_x000D_
var filtered = [];_x000D_
for(var i=0; i < review.length;) {_x000D_
  filtered.push(review.splice(i,1)[0]);_x000D_
}_x000D_
console.log("review", review);_x000D_
console.log("filtered", filtered);_x000D_
console.log("========================================================");_x000D_
review = ["of", "concat", "copyWithin", "entries", "every", "fill", "filter", "find", "findIndex", "flatMap", "flatten", "forEach", "includes", "indexOf", "join", "keys", "lastIndexOf", "map", "pop", "push", "reduce", "reduceRight", "reverse", "shift", "slice", "some", "sort", "splice", "toLocaleString", "toSource", "toString", "unshift", "values"];_x000D_
filtered = [];_x000D_
_x000D_
review.forEach(function(item,i, object) {_x000D_
  filtered.push(object.splice(i,1)[0]);_x000D_
});_x000D_
_x000D_
console.log("-----------------------------------------");_x000D_
console.log("review", review);_x000D_
console.log("filtered", filtered);

The only real way is to have a container around your image and use overflow:hidden:

HTML

<div class="container"><img src="ckk.jpg" /></div>

CSS

.container {
    width: 300px;
    height: 200px;
    display: block;
    position: relative;
    overflow: hidden;
}

.container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

It's a pain in CSS to do what you want and center the image, there is a quick fix in jquery such as:

var conHeight = $(".container").height();
var imgHeight = $(".container img").height();
var gap = (imgHeight - conHeight) / 2;
$(".container img").css("margin-top", -gap);

http://jsfiddle.net/x86Q7/2/

write return(secondmethod) inside of the first method

Set your PYTHONPATH environment variable. For example like this PYTHONPATH=.:.. (for *nix family).

Also you can manually add your current directory (src in your case) to pythonpath:

import os
import sys
sys.path.insert(0, os.getcwd())

I recently came up with a one-line solution that accomplishes exactly this for a JS challenge on Scrimba (below).

ES6+

const getPrimes=num=>Array(num-1).fill().map((e,i)=>2+i).filter((e,i,a)=>a.slice(0,i).every(x=>e%x!==0));

< ES6

function getPrimes(num){return ",".repeat(num).slice(0,-1).split(',').map(function(e,i){return i+1}).filter(function(e){return e>1}).filter(function(x){return ",".repeat(x).slice(0,-1).split(',').map(function(f,j){return j}).filter(function(e){return e>1}).every(function(e){return x%e!==0})})};

This is the logic explained:

1. First, the function builds an array of all numbers leading up to the desired number (in this case, 100) via the .repeat() function using the desired number (100) as the repeater argument and then mapping the array to the indexes+1 to get the range of numbers from 0 to that number (0-100). A bit of string splitting and joining magic going on here. I'm happy to explain this step further if you like.

2. We exclude 0 and 1 from the array as they should not be tested for prime, lest they give a false positive. Neither are prime. We do this using .filter() for only numbers > 1 (= 2).

3. Now, we filter our new array of all integers between 2 and the desired number (100) for only prime numbers. To filter for prime numbers only, we use some of the same magic from our first step. We use .filter() and .repeat() once again to create a new array from 2 to each value from our new array of numbers. For each value's new array, we check to see if any of the numbers = 2 and < that number are factors of the number. We can do this using the .every() method paired with the modulo operator % to check if that number has any remainders when divided by any of those values between 2 and itself. If each value has remainders (x%e!==0), the condition is met for all values from 2 to that number (but not including that number, i.e.: [2,99]) and we can say that number is prime. The filter functions returns all prime numbers to the uppermost return, thereby returning the list of prime values between 2 and the passed value.

As an example, using one of these functions I've added above, returns the following:

getPrimes(100);
// => [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97]

Try using sendmail instead of smtp driver (according to these recommendations: http://code.tutsplus.com/tutorials/sending-emails-with-laravel-4-gmail--net-36105)

MAIL_DRIVER=sendmail
MAIL_HOST=smtp.gmail.com
MAIL_PORT=587
[email protected]
MAIL_PASSWORD=apppassword
MAIL_ENCRYPTION=tls

Set an EmptyBorder around your JPanel.
Example:

JPanel p =new JPanel();
p.setBorder(new EmptyBorder(10, 10, 10, 10));

Simply just add auto_increment Constraint In column or MODIFY COLUMN :-

 ALTER TABLE `emp` MODIFY COLUMN `id` INT NOT NULL UNIQUE AUTO_INCREMENT FIRST;

Or add a column first then change column as -

1. Alter TABLE `emp` ADD COLUMN `id`;

2. ALTER TABLE `emp` CHANGE COLUMN `id` `Emp_id` INT NOT NULL UNIQUE AUTO_INCREMENT FIRST;

In python, this is called "unpacking", and you can find a bit about it in the tutorial. The documentation of it sucks, I agree, especially because of how fantasically useful it is.

If you're stuck with SQL Server <2017, you can use GroupConcat. The syntax and the performance is far better than the FOR XML PATH sollution.

Installation:

-- https://codeplexarchive.blob.core.windows.net/archive/projects/groupconcat/groupconcat.zip
create assembly [GroupConcat] from 0x4D5A90000300000004000000FFFF0000B800000000000000400000000000000000000000000000000000000000000000000000000000000000000000800000000E1FBA0E00B409CD21B8014CCD21546869732070726F6772616D2063616E6E6F742062652072756E20696E20444F53206D6F64652E0D0D0A2400000000000000504500004C01030058898C510000000000000000E00002210B010B00001E000000080000000000007E3D0000002000000040000000000010002000000002000004000000000000000400000000000000008000000002000000000000030040850000100000100000000010000010000000000000100000000000000000000000243D000057000000004000003804000000000000000000000000000000000000006000000C00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000080000000000000000000000082000004800000000000000000000002E74657874000000841D000000200000001E000000020000000000000000000000000000200000602E7273726300000038040000004000000006000000200000000000000000000000000000400000402E72656C6F6300000C0000000060000000020000002600000000000000000000000000004000004200000000000000000000000000000000603D0000000000004800000002000500C02C00006410000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003202731100000A7D010000042A0000001330040047000000010000110F01281200000A2D3D0F01281300000A0A027B01000004066F1400000A2C1A027B01000004250B06250C07086F1500000A17586F1600000A2A027B0100000406176F1700000A2A001B30050089000000020000110F017B010000046F1800000A0C2B601202281900000A0A1200281A00000A0B027B01000004076F1400000A2C29027B01000004250D072513040911046F1500000A0F017B01000004076F1500000A586F1600000A2B19027B01000004070F017B01000004076F1500000A6F1700000A1202281B00000A2D97DE0E1202FE160300001B6F1C00000ADC2A0000000110000002000D006D7A000E000000001B3003009B00000003000011027B010000043989000000027B010000046F1D00000A16317B731E00000A0A027B010000046F1800000A0D2B341203281900000A0B160C2B1E061201281A00000A6F1F00000A260672010000706F1F00000A260817580C081201282000000A32D81203281B00000A2DC3DE0E1203FE160300001B6F1C00000ADC06066F2100000A1759176F2200000A6F2300000A282400000A2A14282400000A2A000110000002002B00416C000E00000000133003003900000004000011036F2500000A0A0206732600000A7D01000004160B2B1B027B01000004036F2700000A036F2500000A6F1700000A0717580B0706175931DF2A0000001B3002005B0000000500001103027B010000046F1D00000A6F2800000A027B010000046F1800000A0B2B221201281900000A0A031200281A00000A6F2900000A031200282000000A6F2800000A1201281B00000A2DD5DE0E1201FE160300001B6F1C00000ADC2A000110000002001D002F4C000E000000001330020024000000060000110F01FE16060000016F2300000A0A027B0300000406282A00000A2C0702067D030000042A5E02731100000A7D02000004027E2B00000A7D030000042A133004004F000000010000110F01281200000A2D450F01281300000A0A027B02000004066F1400000A2C1B027B02000004250B06250C07086F1500000A17586F1600000A2B0D027B0200000406176F1700000A020428070000062A001B300500A300000002000011027B03000004282C00000A2C0D020F017B030000047D030000040F017B020000046F1800000A0C2B601202281900000A0A1200281A00000A0B027B02000004076F1400000A2C29027B02000004250D072513040911046F1500000A0F017B02000004076F1500000A586F1600000A2B19027B02000004070F017B02000004076F1500000A6F1700000A1202281B00000A2D97DE0E1202FE160300001B6F1C00000ADC2A0001100000020027006D94000E000000001B300300B300000003000011027B0200000439A1000000027B020000046F1D00000A163E90000000731E00000A0A027B020000046F1800000A0D2B351203281900000A0B160C2B1F061201281A00000A6F1F00000A2606027B030000046F1F00000A260817580C081201282000000A32D71203281B00000A2DC2DE0E1203FE160300001B6F1C00000ADC06066F2100000A027B030000046F2D00000A59027B030000046F2D00000A6F2200000A6F2300000A282400000A2A14282400000A2A000110000002002E004270000E00000000133003004500000004000011036F2500000A0A0206732600000A7D02000004160B2B1B027B02000004036F2700000A036F2500000A6F1700000A0717580B0706175931DF02036F2700000A7D030000042A0000001B300200670000000500001103027B020000046F1D00000A6F2800000A027B020000046F1800000A0B2B221201281900000A0A031200281A00000A6F2900000A031200282000000A6F2800000A1201281B00000A2DD5DE0E1201FE160300001B6F1C00000ADC03027B030000046F2900000A2A000110000002001D002F4C000E000000001330020024000000060000110F01FE16060000016F2300000A0A027B0500000406282A00000A2C0702067D050000042AEA027B060000042D310F01282E00000A172E150F01282E00000A182E0B7205000070732F00000A7A020F01282E00000A283000000A7D060000042A7A02731100000A7D04000004027E2B00000A7D0500000402167D060000042A00001330040056000000010000110F01281200000A2D4C0F01281300000A0A027B04000004066F1400000A2C1B027B04000004250B06250C07086F1500000A17586F1600000A2B0D027B0400000406176F1700000A0204280E0000060205280F0000062A00001B300500B800000002000011027B05000004282C00000A2C0D020F017B050000047D05000004027B060000042D0D020F017B060000047D060000040F017B040000046F1800000A0C2B601202281900000A0A1200281A00000A0B027B04000004076F1400000A2C29027B04000004250D072513040911046F1500000A0F017B04000004076F1500000A586F1600000A2B19027B04000004070F017B04000004076F1500000A6F1700000A1202281B00000A2D97DE0E1202FE160300001B6F1C00000ADC2A0110000002003C006DA9000E000000001B300300D700000007000011027B0400000439C5000000027B040000046F1D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with permission_set = safe;
create aggregate [dbo].[GROUP_CONCAT]    (@VALUE [nvarchar](4000))                                                      returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT];
create aggregate [dbo].[GROUP_CONCAT_D]  (@VALUE [nvarchar](4000), @DELIMITER [nvarchar](4))                            returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_D];
create aggregate [dbo].[GROUP_CONCAT_DS] (@VALUE [nvarchar](4000), @DELIMITER [nvarchar](4), @SORT_ORDER [tinyint])     returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_DS];
create aggregate [dbo].[GROUP_CONCAT_S]  (@VALUE [nvarchar](4000), @SORT_ORDER [tinyint])                               returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_S];

go

Usage:

declare @liststr varchar(max)
select @liststr = dbo.group_concat_d(institutionname, ',')
from education
where studentnumber = '111'
group by studentnumber;
select @liststr

GroupConcat does not support ordering, though. You could use PIVOT, CTE's and windows functions if you need ordering:

drop table if exists #students;
create table #students (
    name        varchar(20),
    institution varchar(20),
    year        int -- order by year
)
go

insert into #students(name, institution, year)
values
    ('Simon', 'INSTITUTION1', 2005),
    ('Simon', 'INSTITUTION2', 2008);

with cte as (
    select name,
           institution,
           rn = row_number() over (partition by name order by year)
    from #students
)
select name,
       [1] +
       isnull((',' + [2]), '') +
       isnull((',' + [3]), '') +
       isnull((',' + [4]), '') +
       isnull((',' + [5]), '') +
       isnull((',' + [6]), '') +
       isnull((',' + [7]), '') +
       isnull((',' + [8]), '') +
       isnull((',' + [9]), '') +
       isnull((',' + [10]), '') +
       isnull((',' + [11]), '') +
       isnull((',' + [12]), '') +
       isnull((',' + [13]), '') +
       isnull((',' + [14]), '') +
       isnull((',' + [15]), '') +
       isnull((',' + [16]), '') +
       isnull((',' + [17]), '') +
       isnull((',' + [18]), '') +
       isnull((',' + [19]), '') +
       isnull((',' + [20]), '')
from cte
    pivot (
    max(institution)
    for rn in ([1], [2], [3], [4],[5],[6],[7],[8],[9],[10],[11],[12],[13],[14],[15],[16],[17],[18],[19],[20])
    ) as piv

Start a timer in the constructor of your class. The interval is in milliseconds so 5*60 seconds = 300 seconds = 300000 milliseconds.

static void Main(string[] args)
{
    System.Timers.Timer timer = new System.Timers.Timer();
    timer.Interval = 300000;
    timer.Elapsed += timer_Elapsed;
    timer.Start();
}

Then call GetData() in the timer_Elapsed event like this:

static void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
    //YourCode
}

Just to add, we can use array as well:

int i, array[4];
printf("Enter Four Ints: ");
for(i=0; i<4; i++) {
    scanf("%d", &array[i]);
}

It means it’ll do nothing. It’s an attempt to have the link not ‘navigate’ anywhere. But it’s not the right way.

You should actually just return false in the onclick event, like so:

<a href="#" onclick="return false;">hello</a>

Typically it’s used if the link is doing some ‘JavaScript-y’ thing. Like posting an AJAX form, or swapping an image, or whatever. In that case you just make whatever function is being called return false.

To make your website completely awesome, however, generally you’ll include a link that does the same action, if the person browsing it chooses not to run JavaScript.

<a href="backup_page_displaying_image.aspx"
   onclick="return coolImageDisplayFunction();">hello</a>

You can use this script to export or import any database from terminal given at this link: https://github.com/Ridhwanluthra/mysql_import_export_script/blob/master/mysql_import_export_script.sh

echo -e "Welcome to the import/export database utility\n"
echo -e "the default location of mysqldump file is: /opt/lampp/bin/mysqldump\n"
echo -e "the default location of mysql file is: /opt/lampp/bin/mysql\n"
read -p 'Would like you like to change the default location [y/n]: ' location_change
read -p "Please enter your username: " u_name
read -p 'Would you like to import or export a database: [import/export]: ' action
echo

mysqldump_location=/opt/lampp/bin/mysqldump
mysql_location=/opt/lampp/bin/mysql

if [ "$action" == "export" ]; then
    if [ "$location_change" == "y" ]; then
        read -p 'Give the location of mysqldump that you want to use: ' mysqldump_location
        echo
    else
        echo -e "Using default location of mysqldump\n"
    fi
    read -p 'Give the name of database in which you would like to export: ' db_name
    read -p 'Give the complete path of the .sql file in which you would like to export the database: ' sql_file
    $mysqldump_location -u $u_name -p $db_name > $sql_file
elif [ "$action" == "import" ]; then
    if [ "$location_change" == "y" ]; then
        read -p 'Give the location of mysql that you want to use: ' mysql_location
        echo
    else
        echo -e "Using default location of mysql\n"
    fi
    read -p 'Give the complete path of the .sql file you would like to import: ' sql_file
    read -p 'Give the name of database in which to import this file: ' db_name
    $mysql_location -u $u_name -p $db_name < $sql_file
else
    echo "please select a valid command"
fi

SELECT U.*, V.* FROM users AS U 
INNER JOIN (SELECT *
FROM payments
WHERE id IN (
SELECT MAX(id)
FROM payments
GROUP BY user_id
)) AS V ON U.id = V.user_id

This will get it working

It's best not to target any specific resolution, but to adapt easily to many different resolutions.

import json

jsonData = """{"from": {"id": "8", "name": "Mary Pinter"}, "message": "How ARE you?", "comments": {"count": 0}, "updated_time": "2012-05-01", "created_time": "2012-05-01", "to": {"data": [{"id": "1543", "name": "Honey Pinter"}]}, "type": "status", "id": "id_7"}"""

def getTargetIds(jsonData):
    data = json.loads(jsonData)
    if 'to' not in data:
        raise ValueError("No target in given data")
    if 'data' not in data['to']:
        raise ValueError("No data for target")

    for dest in data['to']['data']:
        if 'id' not in dest:
            continue
        targetId = dest['id']
        print("to_id:", targetId)

Output:

In [9]: getTargetIds(s)
to_id: 1543

You can achieve your result in two steps. First, create a list of unique entries using Advanced Filter... from the pull down Filter menu. To do so, you have to add a name of the column to be sorted out. It is necessary, otherwise Excel will treat first row as a name rather than an entry. Highlight column that you want to filter (A in the example below), click the filter icon and chose 'Advanced Filter...'. That will bring up a window where you can select an option to "Copy to another location". Choose that one, as you will need your original list to do counts (in my example I will choose C:C). Also, select "Unique record only". That will give you a list of unique entries. Then you can count their frequencies using =COUNTIF() command. See screedshots for details.

Hope this helps!

  +--------+-------+--------+-------------------+
  |   A    |   B   |   C    |         D         |
  +--------+-------+--------+-------------------+
1 | ToSort |       | ToSort |                   |
  +--------+-------+--------+-------------------+
2 |  GL15  |       | GL15   | =COUNTIF(A:A, C2) |
  +--------+-------+--------+-------------------+
3 |  GL15  |       | GL16   | =COUNTIF(A:A, C3) |
  +--------+-------+--------+-------------------+
4 |  GL15  |       | GL17   | =COUNTIF(A:A, C4) |
  +--------+-------+--------+-------------------+
5 |  GL16  |       |        |                   |
  +--------+-------+--------+-------------------+
6 |  GL17  |       |        |                   |
  +--------+-------+--------+-------------------+
7 |  GL17  |       |        |                   |
  +--------+-------+--------+-------------------+

If You are running your application on physical device and getting this error

unable to load script from assets index.android.bundle

try running the command:

adb reverse tcp:8081 tcp:8081

It workd for Me...

You can also create a database named 'mydatabasename' and then try restoring it again.

Create a new database using MySQL CLI:

mysql -u[username] -p[password]
CREATE DATABASE mydatabasename;

Then try to restore your database:

mysql -u[username] -p[password] mydatabase<mydatabase.sql;

#include <stdio.h>
#include <time.h>

int main ()
{
   time_t seconds;

   seconds = time(NULL);
   printf("Seconds since January 1, 1970 = %ld\n", seconds);

   return(0);
}

And will get similar result:
Seconds since January 1, 1970 = 1476107865

I suffered a similar issue: in my modal window, I have two buttons, "Cancel" and "OK". Originally, both buttons would close the modal window by invoking $('#myModal').modal('hide') (with "OK" previously executing some code) and the scenario would be the following:

1. Open the modal window
2. Do some operations, then click on "OK" do validate them and close the modal
3. Open the modal again and dismiss by clicking on "Cancel"
4. Re-open the modal, click again on "Cancel" ==> the backdrop is no longer accessible!

well, my fellow next desk saved my day: instead of invoking $('#myModal').modal('hide'), give your buttons the attribute data-dismiss="modal" and add a "click" event to your "Submit" button. In my problem, the HTML (well, TWIG) code for the button is:

<button id="modal-btn-ok" class="btn" data-dismiss="modal">OK</button>
<button id="modal-btn-cancel" class="btn" data-dismiss="modal">Cancel</button>

and in my JavaScript code, I have:

$("#modal-btn-ok").one("click", null, null, function(){
    // My stuff to be done
});

while no "click" event is attributed to the "Cancel" button. The modal now closes properly and lets me play again with the "normal" page. It actually seems that the data-dismiss="modal" should be the only way to indicate that a button (or whatever DOM element) should close a Bootstrap modal. The .modal('hide') method seems to behave in a not quite controllable way.

Hope this helps!

It is time to revisit this old question.

You should not use solutions relying on toLowerCase. They are inefficient and simply don't work in some languages (Turkish for instance). Prefer this:

['Foo', 'bar'].sort((a, b) => a.localeCompare(b, undefined, {sensitivity: 'base'}))

Check the documentation for browser compatibility and all there is to know about the sensitivity option.

Another solution would be as below where the list is placed under a drop-down button.

  <button class="btn dropdown-toggle btn-primary btn-sm" data-toggle="dropdown"
    >Markets<span class="caret"></span></button>

    <ul class="dropdown-menu", style="height:40%; overflow:hidden; overflow-y:scroll;">
      {{ form.markets }}
    </ul>

TL-DR

docker ps --no-trunc and docker inspect CONTAINER provide the entrypoint executed to start the container, along the command passed to, but that may miss some parts such as ${ANY_VAR} because container environment variables are not printed as resolved.

To overcome that, docker inspect CONTAINER has an advantage because it also allow to retrieve separately env variables and their values defined in the container from the Config.Env property.

docker ps and docker inspect provide information about the executed entrypoint and its command. Often, that is a wrapper entrypoint script (.sh) and not the "real" program started by the container. To get information on that, requesting process information with ps or /proc/1/cmdline help.

1) docker ps --no-trunc

It prints the entrypoint and the command executed for all running containers. While it prints the command passed to the entrypoint (if we pass that), it doesn't show value of docker env variables (such as $FOO or ${FOO}).
If our containers use env variables, it may be not enough.

For example, run an alpine container :

docker run --name alpine-example -e MY_VAR=/var alpine:latest sh -c 'ls $MY_VAR'

When use docker -ps such as :

docker ps -a --filter name=alpine-example --no-trunc

It prints :

CONTAINER ID           IMAGE               COMMAND                CREATED             STATUS                     PORTS               NAMES
5b064a6de6d8417...   alpine:latest       "sh -c 'ls $MY_VAR'"   2 minutes ago       Exited (0) 2 minutes ago                       alpine-example

We see the command passed to the entrypoint : sh -c 'ls $MY_VAR' but $MY_VAR is indeed not resolved.

2) docker inspect CONTAINER

When we inspect the alpine-example container :

docker inspect alpine-example | grep -4 Cmd

The command is also there but we don't still see the env variable value :

        "Cmd": [
            "sh",
            "-c",
            "ls $MY_VAR"
        ],

In fact, we could not see interpolated variables with these docker commands.
While as a trade-off, we could display separately both command and env variables for a container with docker inspect :

docker inspect  alpine-example  | grep -4 -E "Cmd|Env"

That prints :

        "Env": [
            "MY_VAR=/var",
            "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
        ],
        "Cmd": [
            "sh",
            "-c",
            "ls $MY_VAR"
        ]

A more docker way would be to use the --format flag of docker inspect that allows to specify JSON attributes to render :

docker inspect --format '{{.Name}} {{.Config.Cmd}}  {{ (.Config.Env) }}'  alpine-example

That outputs :

/alpine-example [sh -c ls $MY_VAR]  [MY_VAR=/var PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin]

3) Retrieve the started process from the container itself for running containers

The entrypoint and command executed by docker may be helpful but in some cases, it is not enough because that is "only" a wrapper entrypoint script (.sh) that is responsible to start the real/core process.
For example when I run a Nexus container, the command executed and shown to run the container is "sh -c ${SONATYPE_DIR}/start-nexus-repository-manager.sh".
For PostgreSQL that is "docker-entrypoint.sh postgres".

To get more information, we could execute on a running container docker exec CONTAINER ps aux.
It may print other processes that may not interest us.
To narrow to the initial process launched by the entrypoint, we could do :

docker exec CONTAINER ps -1

I specify 1 because the process executed by the entrypoint is generally the one with the 1 id.

Without ps, we could still find the information in /proc/1/cmdline (in most of Linux distros but not all). For example :

docker exec CONTAINER cat /proc/1/cmdline | sed -e "s/\x00/ /g"; echo    

If we have access to the docker host that started the container, another alternative to get the full command of the process executed by the entrypoint is : : execute ps -PID where PID is the local process created by the Docker daemon to run the container such as :

ps -$(docker container inspect --format '{{.State.Pid}}'  CONTAINER)

User-friendly formatting with docker ps

docker ps --no-trunc is not always easy to read.
Specifying columns to print and in a tabular format may make it better :

docker ps   --no-trunc  --format "table{{.Names}}\t{{.CreatedAt}}\t{{.Command}}"

Create an alias may help :

alias dps='docker ps   --no-trunc  --format "table{{.Names}}\t{{.CreatedAt}}\t{{.Command}}"'

The concept of interval notation comes up in both Mathematics and Computer Science. The Mathematical notation [, ], (, ) denotes the domain (or range) of an interval.

• The brackets [ and ] means:

  1. The number is included,
  2. This side of the interval is closed,

• The parenthesis ( and ) means:

  1. The number is excluded,
  2. This side of the interval is open.

An interval with mixed states is called "half-open".

For example, the range of consecutive integers from 1 .. 10 (inclusive) would be notated as such:

• [1,10]

Notice how the word inclusive was used. If we want to exclude the end point but "cover" the same range we need to move the end-point:

• [1,11)

For both left and right edges of the interval there are actually 4 permutations:

(1,10) =   2,3,4,5,6,7,8,9       Set has  8 elements
(1,10] =   2,3,4,5,6,7,8,9,10    Set has  9 elements
[1,10) = 1,2,3,4,5,6,7,8,9       Set has  9 elements
[1,10] = 1,2,3,4,5,6,7,8,9,10    Set has 10 elements

How does this relate to Mathematics and Computer Science?

Array indexes tend to use a different offset depending on which field are you in:

• Mathematics tends to be one-based.
• Certain programming languages tends to be zero-based, such as C, C++, Javascript, Python, while other languages such as Mathematica, Fortran, Pascal are one-based.

These differences can lead to subtle fence post errors, aka, off-by-one bugs when implementing Mathematical algorithms such as for-loops.

Integers

If we have a set or array, say of the first few primes [ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 ], Mathematicians would refer to the first element as the 1st absolute element. i.e. Using subscript notation to denote the index:

• a₁ = 2
• a₂ = 3
• :
• a₁₀ = 29

Some programming languages, in contradistinction, would refer to the first element as the zero'th relative element.

• a[0] = 2
• a[1] = 3
• :
• a[9] = 29

Since the array indexes are in the range [0,N-1] then for clarity purposes it would be "nice" to keep the same numerical value for the range 0 .. N instead of adding textual noise such as a -1 bias.

For example, in C or JavaScript, to iterate over an array of N elements a programmer would write the common idiom of i = 0, i < N with the interval [0,N) instead of the slightly more verbose [0,N-1]:

function main() {_x000D_
    var output = "";_x000D_
    var a = [ 2, 3, 5, 7,  11, 13, 17, 19, 23, 29 ];_x000D_
    for( var i = 0; i < 10; i++ ) // [0,10)_x000D_
       output += "[" + i + "]: " + a[i] + "\n";_x000D_
_x000D_
    if (typeof window === 'undefined') // Node command line_x000D_
        console.log( output )_x000D_
    else_x000D_
        document.getElementById('output1').innerHTML = output;_x000D_
}

 <html>_x000D_
     <body onload="main();">_x000D_
         <pre id="output1"></pre>_x000D_
     </body>_x000D_
 </html>

Mathematicians, since they start counting at 1, would instead use the i = 1, i <= N nomenclature but now we need to correct the array offset in a zero-based language.

e.g.

function main() {_x000D_
    var output = "";_x000D_
    var a = [ 2, 3, 5, 7,  11, 13, 17, 19, 23, 29 ];_x000D_
    for( var i = 1; i <= 10; i++ ) // [1,10]_x000D_
       output += "[" + i + "]: " + a[i-1] + "\n";_x000D_
_x000D_
    if (typeof window === 'undefined') // Node command line_x000D_
        console.log( output )_x000D_
    else_x000D_
        document.getElementById( "output2" ).innerHTML = output;_x000D_
}

<html>_x000D_
    <body onload="main()";>_x000D_
        <pre id="output2"></pre>_x000D_
    </body>_x000D_
</html>

Aside:

In programming languages that are 0-based you might need a kludge of a dummy zero'th element to use a Mathematical 1-based algorithm. e.g. Python Index Start

Floating-Point

Interval notation is also important for floating-point numbers to avoid subtle bugs.

When dealing with floating-point numbers especially in Computer Graphics (color conversion, computational geometry, animation easing/blending, etc.) often times normalized numbers are used. That is, numbers between 0.0 and 1.0.

It is important to know the edge cases if the endpoints are inclusive or exclusive:

• (0,1) = 1e-M .. 0.999...
• (0,1] = 1e-M .. 1.0
• [0,1) = 0.0 .. 0.999...
• [0,1] = 0.0 .. 1.0

Where M is some machine epsilon. This is why you might sometimes see const float EPSILON = 1e-# idiom in C code (such as 1e-6) for a 32-bit floating point number. This SO question Does EPSILON guarantee anything? has some preliminary details. For a more comprehensive answer see FLT_EPSILON and David Goldberg's What Every Computer Scientist Should Know About Floating-Point Arithmetic

Some implementations of a random number generator, random() may produce values in the range 0.0 .. 0.999... instead of the more convenient 0.0 .. 1.0. Proper comments in the code will document this as [0.0,1.0) or [0.0,1.0] so there is no ambiguity as to the usage.

Example:

• You want to generate random() colors. You convert three floating-point values to unsigned 8-bit values to generate a 24-bit pixel with red, green, and blue channels respectively. Depending on the interval output by random() you may end up with near-white (254,254,254) or white (255,255,255).

     +--------+-----+
     |random()|Byte |
     |--------|-----|
     |0.999...| 254 | <-- error introduced
     |1.0     | 255 |
     +--------+-----+

For more details about floating-point precision and robustness with intervals see Christer Ericson's Real-Time Collision Detection, Chapter 11 Numerical Robustness, Section 11.3 Robust Floating-Point Usage.

Since SQL Server 2019 varchar columns support UTF-8 encoding.

Thus, from now on, the difference is size.

In a database system that translates to difference in speed.

Less size = Less IO + Less Memory = More speed in general. Read the article above for the numbers.

Go for varchar in UTF8 from now on!

Only if you have big percentage of data with characters in ranges 2048 - 16383 and 16384 – 65535 - you will have to measure

"WARNING: The command completed successfully but no settings of '[user id here]' have been modified."

This warning means the setting was already set like what you want it to be. So it didn't change anything for that object.

Context

• YAML version 1.2
• user wishes to
  • include variable placeholders in YAML
  • have placeholders replaced with computed values, upon yaml.load
  • be able to use placeholders for both YAML mapping keys and values

Problem

• YAML does not natively support variable placeholders.
• Anchors and Aliases almost provide the desired functionality, but these do not work as variable placeholders that can be inserted into arbitrary regions throughout the YAML text. They must be placed as separate YAML nodes.
• There are some add-on libraries that support arbitrary variable placeholders, but they are not part of the native YAML specification.

Example

Consider the following example YAML. It is well-formed YAML syntax, however it uses (non-standard) curly-brace placeholders with embedded expressions.

The embedded expressions do not produce the desired result in YAML, because they are not part of the native YAML specification. Nevertheless, they are used in this example only to help illustrate what is available with standard YAML and what is not.

part01_customer_info:
  cust_fname:   "Homer"
  cust_lname:   "Himpson"
  cust_motto:   "I love donuts!"
  cust_email:   [email protected]

part01_government_info:
  govt_sales_taxrate: 1.15

part01_purchase_info:
  prch_unit_label:    "Bacon-Wrapped Fancy Glazed Donut"
  prch_unit_price:    3.00
  prch_unit_quant:    7
  prch_product_cost:  "{{prch_unit_price * prch_unit_quant}}"
  prch_total_cost:    "{{prch_product_cost * govt_sales_taxrate}}"   

part02_shipping_info:
  cust_fname:   "{{cust_fname}}"
  cust_lname:   "{{cust_lname}}"
  ship_city:    Houston
  ship_state:   Hexas    

part03_email_info:
  cust_email:     "{{cust_email}}"
  mail_subject:   Thanks for your DoughNutz order!
  mail_notes: |
    We want the mail_greeting to have all the expected values
    with filled-in placeholders (and not curly-braces).
  mail_greeting: |
    Greetings {{cust_fname}} {{cust_lname}}!
    
    We love your motto "{{cust_motto}}" and we agree with you!
    
    Your total purchase price is {{prch_total_cost}}
    

Explanation

• The substitutions marked in GREEN are readily available in standard YAML, using anchors, aliases, and merge keys.

• The substitutions marked in YELLOW are technically available in standard YAML, but not without a custom type declaration, or some other binding mechanism.

• The substitutions marked in RED are not available in standard YAML. Yet there are workarounds and alternatives; such as through string formatting or string template engines (such as python's str.format).

Details

A frequently-requested feature for YAML is the ability to insert arbitrary variable placeholders that support arbitrary cross-references and expressions that relate to the other content in the same (or transcluded) YAML file(s).

YAML supports anchors and aliases, but this feature does not support arbitrary placement of placeholders and expressions anywhere in the YAML text. They only work with YAML nodes.

YAML also supports custom type declarations, however these are less common, and there are security implications if you accept YAML content from potentially untrusted sources.

YAML addon libraries

There are YAML extension libraries, but these are not part of the native YAML spec.

• Ansible
  • https://docs.ansible.com/ansible-container/container_yml/template.html
  • (supports many extensions to YAML, however it is an Orchestration tool, which is overkill if you just want YAML)
• https://github.com/kblomqvist/yasha
• https://bitbucket.org/djarvis/yamlp

Workarounds

• Use YAML in conjunction with a template system, such as Jinja2 or Twig
• Use a YAML extension library
• Use sprintf or str.format style functionality from the hosting language

Alternatives

• YTT YAML Templating essentially a fork of YAML with additional features that may be closer to the goal specified in the OP.
• Jsonnet shares some similarity with YAML, but with additional features that may be closer to the goal specified in the OP.

See also

Here at SO

• YAML variables in config files
• Load YAML nested with Jinja2 in Python
• String interpolation in YAML
• how to reference a YAML "setting" from elsewhere in the same YAML file?
• Use YAML with variables
• How can I include a YAML file inside another?
• Passing variables inside rails internationalization yml file
• Can one YAML object refer to another?
• is there a way to reference a constant in a yaml with rails?
• YAML with nested Jinja
• YAML merge keys
• YAML merge keys

Outside SO

• https://learnxinyminutes.com/docs/yaml/
• https://github.com/dreftymac/awesome-yaml#variables
• https://duckduckgo.com/?q=yaml+variables+in+config+file&t=h_&ia=web

if the database is InnoDB you dont need to do joins in deletion. only

DELETE FROM spawnlist WHERE spawnlist.type = "monster";

can be used to delete the all the records that linked with foreign keys in other tables, to do that you have to first linked your tables in design time.

CREATE TABLE IF NOT EXIST spawnlist (
  npc_templateid VARCHAR(20) NOT NULL PRIMARY KEY

)ENGINE=InnoDB;

CREATE TABLE IF NOT EXIST npc (
  idTemplate VARCHAR(20) NOT NULL,

  FOREIGN KEY (idTemplate) REFERENCES spawnlist(npc_templateid) ON DELETE CASCADE

)ENGINE=InnoDB;

if you uses MyISAM you can delete records joining like this

DELETE a,b
FROM `spawnlist` a
JOIN `npc` b
ON a.`npc_templateid` = b.`idTemplate`
WHERE a.`type` = 'monster';

in first line i have initialized the two temp tables for delet the record, in second line i have assigned the existance table to both a and b but here i have linked both tables together with join keyword, and i have matched the primary and foreign key for both tables that make link, in last line i have filtered the record by field to delete.

Yes, it is possible. Here is the solution

export interface Foo {

    test(): void;
}

export namespace Foo {

    export function statMethod(): void {
        console.log(2);
    }

}

You could also group functions in one main file together with the main function looking like this:

function [varargout] = main( subfun, varargin )
[varargout{1:nargout}] = feval( subfun, varargin{:} ); 

% paste your subfunctions below ....
function str=subfun1
str='hello'

Then calling subfun1 would look like this: str=main('subfun1')

Getting one month ago is easy with a single MySQL function:

SELECT DATE_SUB(NOW(), INTERVAL 1 MONTH);

or

SELECT NOW() - INTERVAL 1 MONTH;

Off the top of my head, I can't think of an elegant way to get the first day of last month in MySQL, but this will certainly work:

SELECT CONCAT(LEFT(NOW() - INTERVAL 1 MONTH,7),'-01');

Put them together and you get a query that solves your problem:

SELECT *
FROM your_table
WHERE t >= CONCAT(LEFT(NOW() - INTERVAL 1 MONTH,7),'-01')
AND t <= NOW() - INTERVAL 1 MONTH

There are several other ways, besides using the in operator (easiest):

index()

>>> try:
...   "xxxxABCDyyyy".index("test")
... except ValueError:
...   print "not found"
... else:
...   print "found"
...
not found

find()

>>> if "xxxxABCDyyyy".find("ABCD") != -1:
...   print "found"
...
found

re

>>> import re
>>> if re.search("ABCD" , "xxxxABCDyyyy"):
...  print "found"
...
found

Friends, to keep everything clean you can use de commands:

• docker system prune -a && docker volume prune.

The framework supports text-shadow but does not support text-outline. But there is a trick: shadow is something that is translucent and fades. Redraw the shadow a couple of times and all the alpha gets summed up and the result is an outline.

A very simple implementation extends TextView and overrides the draw(..) method. Every time a draw is requested our subclass does 5-10 drawings.

public class OutlineTextView extends TextView {

    // Constructors

    @Override
    public void draw(Canvas canvas) {
        for (int i = 0; i < 5; i++) {
            super.draw(canvas);
        }
    }

}


<OutlineTextView
    android:shadowColor="#000"
    android:shadowRadius="3.0" />

Using HTTP Request verb such as GET, POST, DELETE, PUT etc... enables you to build RESTful web applications. Read about it here: http://en.wikipedia.org/wiki/Representational_state_transfer

The easiest way to see benefits from this is to look at this example. Every MVC framework has a Router/Dispatcher that maps URL-s to actionControllers. So URL like this: /blog/article/1 would invoke blogController::articleAction($id); Now this Router is only aware of the URL or /blog/article/1/

But if that Router would be aware of whole HTTP Request object instead of just URL, he could have access HTTP Request verb (GET, POST, PUT, DELETE...), and many other useful stuff about current HTTP Request.

That would enable you to configure application so it can accept the same URL and map it to different actionControllers depending on the HTTP Request verb.

For example:

if you want to retrive article 1 you can do this:

GET /blog/article/1 HTTP/1.1

but if you want to delete article 1 you will do this:

DELETE /blog/article/1 HTTP/1.1

Notice that both HTTP Requests have the same URI, /blog/article/1, the only difference is the HTTP Request verb. And based on that verb your router can call different actionController. This enables you to build neat URL-s.

Read this two articles, they might help you:

Symfony 2 - HTTP Fundamentals

Symfony 2 - Routing

These articles are about Symfony 2 framework, but they can help you to figure out how does HTTP Requests and Responses work.

Hope this helps!

I faced exactly the same problem and i simply resolved the issue with the help of JSON.stringify() as follow:-

if (JSON.stringify(results.userId) === JSON.stringify(AnotherMongoDocument._id)) {
        console.log('This is never true');
}

If you really just want a random value from the available key range, use random.choice on the dictionary's values (converted to list form, if Python 3).

>>> from random import choice
>>> d = {1: 'a', 2: 'b', 3: 'c'}
>>>> choice(list(d.values()))

int iArray[2][2] = {{1, 2}, {3, 4}};

Think of a 2D array as an array of arrays.

Interesting...

Removing the gutter in Twitter Bootstrap's Default grid, that is, 940px wide. And that the default grid has a 940px wide container and has the bootstrap-responsive.css in it's stylesheet.

If I got your question right, this is how I did it...

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Stackoverflow Question</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="author" content="">

    <!-- Le styles -->
    <link rel="stylesheet" href="assets/css/bootstrap.css">
    <link rel="stylesheet" href="assets/css/bootstrap-responsive.css">

    <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
    <!--[if lt IE 9]>
      <script src="assets/js/html5shiv.js"></script>
    <![endif]-->




    <style type="text/css">
        #main_content [class*="span"] {
            margin-left: 0;
            width: 25%;
        }

        @media (min-width: 768px) and (max-width: 979px) {
            #main_content [class*="span"] {
            margin-left: 0;
            width: 25%;
            }
        }


        @media (max-width: 767px) {
            #main_content [class*="span"] {
            margin-left: 0;
            width: 100%;
            }
        }

        @media (max-width: 480px) {
            #main_content [class*="span"] {
            margin-left: 0;
            width: 100%;
            }
        }

        <!-- For Visual Aid Only -->
        .bg1 {
            background-color: #C2C2C2;
        }

        .bg2 {
            background-color: #D2D2D2;
        }
    </style>
  <body>
    <div id="wrap">
        <div class="container">
            <div class="row-fluid">
                <div class="span1 text-center bg1">01</div>
                <div class="span1 text-center bg2">02</div>
                <div class="span1 text-center bg1">03</div>
                <div class="span1 text-center bg2">04</div>
                <div class="span1 text-center bg1">05</div>
                <div class="span1 text-center bg2">06</div>
                <div class="span1 text-center bg1">07</div>
                <div class="span1 text-center bg2">08</div>
                <div class="span1 text-center bg1">09</div>
                <div class="span1 text-center bg2">10</div>
                <div class="span1 text-center bg1">11</div>
                <div class="span1 text-center bg2">12</div>
            </div>



            <div id="main_content">
                <div class="row-fluid">
                    <div class="span3 text-center bg1">1</div>
                    <div class="span3 text-center bg2">2</div>
                    <div class="span3 text-center bg1">3</div>
                    <div class="span3 text-center bg2">4</div>
                </div>
            </div>
        </div><!--/container-->
    </div>
  </body>
</html>

And the result is..

The 4 div span with no gutter will remain spanned for Small tablet landscape (800x600). Anything size smaller than that will collapse the 4 divs and it will be stacked vertically. Of course you will have to tweak it to fit your needs.

For me it was a simple case of specifying the path to the 'sdk' subfolder rather than the top level folder.

In my case I needed to input

/Users/Myusername/Documents/adt-bundle-mac-x86_64-20140321/sdk

instead of

/Users/Myusername/Documents/adt-bundle-mac-x86_64-20140321

Since version 2.5 of the Pipeline Nodes and Processes Plugin (a component of the Pipeline plugin, installed by default), the WORKSPACE environment variable is available again. This version was released on 2016-09-23, so it should be available on all up-to-date Jenkins instances.

Example

node('label'){
    // now you are on slave labeled with 'label'
    def workspace = WORKSPACE
    // ${workspace} will now contain an absolute path to job workspace on slave

    workspace = env.WORKSPACE
    // ${workspace} will still contain an absolute path to job workspace on slave

    // When using a GString at least later Jenkins versions could only handle the env.WORKSPACE variant:
    echo "Current workspace is ${env.WORKSPACE}"

    // the current Jenkins instances will support the short syntax, too:
    echo "Current workspace is $WORKSPACE"

}

you just need to get the absolute-path of the file, since the file you are looking for doesnt exist in the eclipse's runtime workspace you can use - getProperty() or getLocationURI() methods to get the absolute-path of the file

As others have noted, you can't have immutable arrays in Java.

If you absolutely need a method that returns an array that doesn't influence the original array, then you'd need to clone the array each time:

public int[] getFooArray() {
  return fooArray == null ? null : fooArray.clone();
}

Obviously this is rather expensive (as you'll create a full copy each time you call the getter), but if you can't change the interface (to use a List for example) and can't risk the client changing your internals, then it may be necessary.

This technique is called making a defensive copy.

If you have Pillow installed with scipy and it is still giving you error then check your scipy version because it has been removed from scipy since 1.3.0rc1.

rather install scipy 1.1.0 by :

pip install scipy==1.1.0

check https://github.com/scipy/scipy/issues/6212

The method imread in scipy.misc requires the forked package of PIL named Pillow. If you are having problem installing the right version of PIL try using imread in other packages:

from matplotlib.pyplot import imread
im = imread(image.png)

To read jpg images without PIL use:

import cv2 as cv
im = cv.imread(image.jpg)

You can try from scipy.misc.pilutil import imread instead of from scipy.misc import imread

Please check the GitHub page : https://github.com/amueller/mglearn/issues/2 for more details.

For a longer period.

import time
start_time = time.time()
...
e = int(time.time() - start_time)
print('{:02d}:{:02d}:{:02d}'.format(e // 3600, (e % 3600 // 60), e % 60))

would print

00:03:15

if more than 24 hours

25:33:57

That is inspired by Rutger Hofste's answer. Thank you Rutger!

If you are willing to use your own custom output format, you would be able to get the desired behaviour with RDD as well.

Have a look at the following classes: FileOutputFormat, FileOutputCommitter

In file output format you have a method named checkOutputSpecs, which is checking whether the output directory exists. In FileOutputCommitter you have the commitJob which is usually transferring data from the temporary directory to its final place.

I wasn't able to verify it yet (would do it, as soon as I have few free minutes) but theoretically: If I extend FileOutputFormat and override checkOutputSpecs to a method that doesn't throw exception on directory already exists, and adjust the commitJob method of my custom output committer to perform which ever logic that I want (e.g. Override some of the files, append others) than I may be able to achieve the desired behaviour with RDDs as well.

The output format is passed to: saveAsNewAPIHadoopFile (which is the method saveAsTextFile called as well to actually save the files). And the Output committer is configured at the application level.

I ran into this exact same error message. I tried Aditi's example, and then I realized what the real issue was. (Because I had another apiEndpoint making a similar call that worked fine.) In this case The object in my list had not had an interface extracted from it yet. So because I apparently missed a step, when it went to do the bind to the

List<OfthisModelType>

It failed to deserialize.

If you see this issue, check to see if that could be the issue.

break; leaves your loop.

continue; skips any code for the remainder of that loop and goes on to the next loop, so long as the condition is still true.

Make sure that your connection string is in this format:

server=FOOSERVER;database=BLAH_DB;pooling=false;Connect Timeout=60;Integrated Security=SSPI;

If your string is missing the server tag then the method would return back with this error.

I am storing the date as 'DD-MON-YYYY format (10-Jun-2016) and below query works for me to search records between 2 dates.

select date, substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2),  case 
substr(date, 4,3) 
when 'Jan' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Jan' , '01')) 
when 'Feb' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Feb' , '02')) 
when 'Mar' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Mar' , '03')) 
when 'Apr' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Apr' , '04')) 
when 'May' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'May' , '05')) 
when 'Jun' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Jun' , '06')) 
when 'Jul' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Jul' , '07')) 
when 'Aug' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Aug' , '08')) 
when 'Sep' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Sep' , '09')) 
when 'Oct' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Oct' , '10')) 
when 'Nov' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Nov' , '11')) 
when 'Dec' then strftime('%s', replace(substr(date,8,11) || '-' || substr(date,4,4) || substr(date, 1,2), 'Dec' , '12')) 
else '0' end as srcDate from payment where srcDate >= strftime('%s', '2016-07-06') and srcDate <= strftime('%s', '2016-09-06');

To clarify and update @neo useful answer and the original question. A clean solution consists of installing Pillow, which is an updated version of the Python Imaging Library (PIL). This is done using

pip install pillow

Once Pillow is installed, the standard Matplotlib commands

import matplotlib.pyplot as plt

plt.plot([1, 2])
plt.savefig('image.jpg')

will save the figure into a JPEG file and will not generate a ValueError any more.

Contrary to @amillerrhodes answer, as of Matplotlib 3.1, JPEG files are still not supported. If I remove the Pillow package I still receive a ValueError about an unsupported file type.

I think you were on the right track. Let's keep this very simple and complete what you were trying to do:

import sqlite3
db = sqlite3.connect("test.sqlite3")
cur = db.cursor()
res = cur.execute("select * from table").fetchall()
data = dict(zip([c[0] for c in cur.description], res[0]))

print(data)

The downside is that .fetchall(), which is murder on your memory consumption, if your table is very large. But for trivial applications dealing with mere few thousands of rows of text and numeric columns, this simple approach is good enough.

For serious stuff, you should look into row factories, as proposed in many other answers.

Just iterate over DataFrame.columns, now this is an example in which you will end up with a list of column names that match:

import pandas as pd

data = {'spike-2': [1,2,3], 'hey spke': [4,5,6], 'spiked-in': [7,8,9], 'no': [10,11,12]}
df = pd.DataFrame(data)

spike_cols = [col for col in df.columns if 'spike' in col]
print(list(df.columns))
print(spike_cols)

Output:

['hey spke', 'no', 'spike-2', 'spiked-in']
['spike-2', 'spiked-in']

Explanation:

1. df.columns returns a list of column names
2. [col for col in df.columns if 'spike' in col] iterates over the list df.columns with the variable col and adds it to the resulting list if col contains 'spike'. This syntax is list comprehension.

If you only want the resulting data set with the columns that match you can do this:

df2 = df.filter(regex='spike')
print(df2)

Output:

   spike-2  spiked-in
0        1          7
1        2          8
2        3          9

Since pandas v0.13 you can also use get_values:

df.index.get_values()

The __repr__ method simply tells Python how to print objects of a class

This code will perform the click operation on the WebElement "we" after 100 ms:

WebDriver driver = new FirefoxDriver();
JavascriptExecutor jse = (JavascriptExecutor)driver;

jse.executeScript("var elem=arguments[0]; setTimeout(function() {elem.click();}, 100)", we);

This decision works fine:

intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);

But new activity launch long and you see white screen some time. If this is critical then use this workaround:

public class BaseActivity extends AppCompatActivity {

    private static final String ACTION_FINISH = "action_finish";

    private BroadcastReceiver finisBroadcastReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        registerReceiver(finisBroadcastReceiver = new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {
                finish();
            }
        }, new IntentFilter(ACTION_FINISH));
    }

    public void clearBackStack() {
        sendBroadcast(new Intent(ACTION_FINISH));
    }

    @Override
    protected void onDestroy() {
        unregisterReceiver(finisBroadcastReceiver);
        super.onDestroy();
    }
}

How use it:

public class ActivityA extends BaseActivity {

    // Click any button
    public void startActivityB() {
        startActivity(new Intent(this, ActivityB.class));
        clearBackStack();
    }
}

Disadvantage: all activities that must be closed on the stack must extends BaseActivity

You should be able to put them in your ~/matlab on unix.

I'm not sure which directory matlab looks in for windows, but you should be able to figure it out by executing userpath from the matlab command line.

Ranking by stars or forks is not working. Each promoted or created by a famous company repository is popular at the beginning. Also it is possible to have a number of them which are in trend right now (publications, marketing, events). It doesn't mean that those repositories are useful/popular.

The gitmostwanted.com project (repo at github) analyses GH Archive data in order to highlight the most interesting repositories and exclude others. Just compare the results with mentioned resources.

Pandas is based on NumPy arrays. The key to speed with NumPy arrays is to perform your operations on the whole array at once, never row-by-row or item-by-item.

For example, if close is a 1-d array, and you want the day-over-day percent change,

pct_change = close[1:]/close[:-1]

This computes the entire array of percent changes as one statement, instead of

pct_change = []
for row in close:
    pct_change.append(...)

So try to avoid the Python loop for i, row in enumerate(...) entirely, and think about how to perform your calculations with operations on the entire array (or dataframe) as a whole, rather than row-by-row.

'''my file name is 
"0_male_0.wav", "0_male_2.wav"... "0_male_30.wav"... 
"1_male_0.wav", "1_male_2.wav"... "1_male_30.wav"... 
"8_male_0.wav", "8_male_2.wav"... "8_male_30.wav"

when I wav.read(files) I want to read them in a sorted torder, i.e., "0_male_0.wav"
"0_male_1.wav"
"0_male_2.wav" ...
"0_male_30.wav"
"1_male_0.wav"
"1_male_1.wav"
"1_male_2.wav" ...
"1_male_30.wav"
so this is how I did it.

Just take all files start with "0_*" as an example. Others you can just put it in a loop
'''

import scipy.io.wavfile as wav
import glob 
from os.path import isfile, join

#get all the file names in file_names. THe order is totally messed up
file_names = [f for f in listdir(audio_folder_dir) if isfile(join(audio_folder_dir, f)) and '.wav' in f] 
#find files that belongs to "0_*" group
filegroup0 = glob.glob(audio_folder_dir+'/0_*')
#now you get sorted files in group '0_*' by the last number in the filename
filegroup0 = sorted(filegroup0, key=getKey)

def getKey(filename):
    file_text_name = os.path.splitext(os.path.basename(filename))  #you get the file's text name without extension
    file_last_num = os.path.basename(file_text_name[0]).split('_')  #you get three elements, the last one is the number. You want to sort it by this number
    return int(file_last_num[2])

That's how I did my particular case. Hope it's helpful.

numpy provides a simple function to do the exact same thing: supposing you have a masked array 'a', calling numpy.ma.compress_rows(a) will delete the rows containing a masked value. I guess this is much faster this way...

You can use the for..in TypeScript operator to access the index when dealing with collections.

var test = [7,8,9];
for (var i in test) {
   console.log(i + ': ' + test[i]);
} 

Output:

 0: 7
 1: 8
 2: 9

See Demo

It depends on what operating system you're using. If you want a solution that is compatible with both Windows and *nix something like:

from os import path

file_path = path.relpath("2091/data.txt")
with open(file_path) as f:
    <do stuff>

should work fine.

The path module is able to format a path for whatever operating system it's running on. Also, python handles relative paths just fine, so long as you have correct permissions.

Edit:

As mentioned by kindall in the comments, python can convert between unix-style and windows-style paths anyway, so even simpler code will work:

with open("2091/data/txt") as f:
    <do stuff>

That being said, the path module still has some useful functions.

You have done it correctly. The pull request will automatically update. The process is:

1. Open pull request
2. Commit changes based on feedback in your local repo
3. Push to the relevant branch of your fork

The pull request will automatically add the new commits at the bottom of the pull request discussion (ie, it's already there, scroll down!)

In addition to the excellent answers, if you want to achieve this via xml then you can add:

android:background="@android:color/transparent

to your view.

    <style type="text/css">
        #container {
            margin: 0px auto;
            width: 500px;
            height: 375px;
            border: 10px #333 solid;
        }

        #videoElement {
          width: 500px;
          height: 375px;
          background-color: #777;
        }
    </style>    
<div id="container">
            <video autoplay="true" id="videoElement"></video>
        </div>
        <script type="text/javascript">
          var video = document.querySelector("#videoElement");
          navigator.getUserMedia = navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia||navigator.oGetUserMedia;
    
          if(navigator.getUserMedia) {
            navigator.getUserMedia({video:true}, handleVideo, videoError);
          }
    
          function handleVideo(stream) {
            video.srcObject=stream;
            video.play();
          }
    
          function videoError(e) {
    
          }
        </script>

If you look into CREATE PROCEDURE Syntax for latest MySQL version you'll see that procedure parameter can only contain IN/OUT/INOUT specifier, parameter name and type.

So, default values are still unavailable in latest MySQL version.

Here's how I solved the problem today after hours of trying all of these different solutions - (for anyone looking for another way still).

Open 2 instances of cmd at your quickstart dir:

window #1:

npm run build:watch

then...

window #2:

npm run serve

It will then open in the browser and work as expected

You can maintain your html as it is but use this php code

<?php
    $name = $_POST['name'];
    $purchase1 = $_POST['Tea'];
    $purchase2 =$_POST['Coffee'];
?>

You need to tell npm that "tsc" exists as a local project package (via the "scripts" property in your package.json) and then run it via npm run tsc. To do that (at least on Mac) I had to add the path for the actual compiler within the package, like this

{
  "name": "foo"
  "scripts": {
    "tsc": "./node_modules/typescript/bin/tsc"
  },
  "dependencies": {
    "typescript": "^2.3.3",
    "typings": "^2.1.1"
  }
}

After that you can run any TypeScript command like npm run tsc -- --init (the arguments come after the first --).

First Way:

You didn't create the directory. Also, you are passing an absolute path to openFileOutput(), which is wrong.

Second way:

You created an empty file with the desired name, which then prevented you from creating the directory. Also, you are passing an absolute path to openFileOutput(), which is wrong.

Third way:

You didn't create the directory. Also, you are passing an absolute path to openFileOutput(), which is wrong.

Fourth Way:

You didn't create the directory. Also, you are passing an absolute path to openFileOutput(), which is wrong.

Fifth way:

You didn't create the directory. Also, you are passing an absolute path to openFileOutput(), which is wrong.

Correct way:

1. Create a File for your desired directory (e.g., File path=new File(getFilesDir(),"myfolder");)
2. Call mkdirs() on that File to create the directory if it does not exist
3. Create a File for the output file (e.g., File mypath=new File(path,"myfile.txt");)
4. Use standard Java I/O to write to that File (e.g., using new BufferedWriter(new FileWriter(mypath)))

Not really. See File input 'accept' attribute - is it useful? .

The source code for the Android mobile application open-gpstracker which you appreciated is available here.

You can checkout the code using SVN client application or via Git:

• svn checkout http://open-gpstracker.googlecode.com/svn/trunk/ open-gpstracker-read-only
• git clone https://code.google.com/p/open-gpstracker/

Debugging the source code will surely help you.

Try this :

width:auto;
margin-right:50px;

You can use shorthand syntax as of Twig 1.12.0

{{ foo ?: 'no' }} is the same as {{ foo ? foo : 'no' }}
{{ foo ? 'yes' }} is the same as {{ foo ? 'yes' : '' }}

The key "Transactional Resources" looks like you are talking to the database without a proper transaction. Make sure transaction management is configured properly and no invocation path to the DAO exists that doesn't run under a @Transactional annotation. This can easily happen when you configured transaction management on the Controller level but are invoking DAOs in a timer or are using @PostConstruct annotations. I wrote it up here http://georgovassilis.blogspot.nl/2014/01/tomcat-spring-and-memory-leaks-when.html

Edit: It looks like this is (also?) a bug with spring-data-jpa which has been fixed with v1.4.3. I looked it up in the spring-data-jpa sources of LockModeRepositoryPostProcessor which sets the "Transactional Resources" key. In 1.4.3 it also clears the key again.

I don't believe AJAX can handle file uploads but this can be achieved with libraries that leverage flash. Another advantage of the flash implementation is the ability to do multiple files at once (like gmail).

SWFUpload is a good start : http://www.swfupload.org/documentation

jQuery and some of the other libraries have plugins that leverage SWFUpload. On my last project we used SWFUpload and Java without a problem.

Also helpful and worth looking into is Apache's FileUpload : http://commons.apache.org/fileupload/index.html

You can use the title element as Phrogz indicated. There are also some good tooltips like jQuery's Tipsy http://onehackoranother.com/projects/jquery/tipsy/ (which can be used to replace all title elements), Bob Monteverde's nvd3 or even the Twitter's tooltip from their Bootstrap http://twitter.github.com/bootstrap/

Buried in the API demos I found the solution to my problem:

Link.java:

    // text2 has links specified by putting <a> tags in the string
    // resource.  By default these links will appear but not
    // respond to user input.  To make them active, you need to
    // call setMovementMethod() on the TextView object.

    TextView t2 = (TextView) findViewById(R.id.text2);
    t2.setMovementMethod(LinkMovementMethod.getInstance());

I removed most of the attributes on my TextView to match what was in the demo.

<TextView
    android:id="@+id/text2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/txtCredits"/>

That solved it. Pretty difficult to uncover and fix.

Important: Don't forget to remove autoLink="web" if you are calling setMovementMethod().

The following snippet prints elapsed time in a nice human readable <HH:MM:SS> format.

import time
from datetime import timedelta

start_time = time.time()

#
# Perform lots of computations.
#

elapsed_time_secs = time.time() - start_time

msg = "Execution took: %s secs (Wall clock time)" % timedelta(seconds=round(elapsed_time_secs))

print(msg)    

From the docs

In the Java programming language, every application must contain a main method whose signature is:

public static void main(String[] args)

The modifiers public and static can be written in either order (public static or static public), but the convention is to use public static as shown above. You can name the argument anything you want, but most programmers choose "args" or "argv".

As you say:

error: missing method body, or declare abstract public static void main(String[] args); ^ this is what i got after i added it after the class name

You probably haven't declared main with a body (as ';" would suggest in your error).

You need to have main method with a body, which means you need to add { and }:

public static void main(String[] args) {


}

Add it inside your class definition.

Although sometimes error messages are not very clear, most of the time they contain enough information to point to the issue. Worst case, you can search internet for the error message. Also, documentation can be really helpful.

Try putting a background color on a block div with width and height. You'll see that padding increases the size of the element, whereas margin just moves it within the flow of the document.

Margin is specifically for shifting the element around.

I've faced same problem with my registry then i tried the solution listed below from a blog page. It works.

Step 1: Listing catalogs

You can list your catalogs by calling this url:

http://YourPrivateRegistyIP:5000/v2/_catalog

Response will be in the following format:

{
  "repositories": [
    <name>,
    ...
  ]
}

Step 2: Listing tags for related catalog

You can list tags of your catalog by calling this url:

http://YourPrivateRegistyIP:5000/v2/<name>/tags/list

Response will be in the following format:

{
"name": <name>,
"tags": [
    <tag>,
    ...
]

}

Step 3: List manifest value for related tag

You can run this command in docker registry container:

curl -v --silent -H "Accept: application/vnd.docker.distribution.manifest.v2+json" -X GET http://localhost:5000/v2/<name>/manifests/<tag> 2>&1 | grep Docker-Content-Digest | awk '{print ($3)}'

Response will be in the following format:

sha256:6de813fb93debd551ea6781e90b02f1f93efab9d882a6cd06bbd96a07188b073

Run the command given below with manifest value:

curl -v --silent -H "Accept: application/vnd.docker.distribution.manifest.v2+json" -X DELETE http://127.0.0.1:5000/v2/<name>/manifests/sha256:6de813fb93debd551ea6781e90b02f1f93efab9d882a6cd06bbd96a07188b073

Step 4: Delete marked manifests

Run this command in your docker registy container:

bin/registry garbage-collect  /etc/docker/registry/config.yml  

Here is my config.yml

root@c695814325f4:/etc# cat /etc/docker/registry/config.yml
version: 0.1
log:
  fields:
  service: registry
storage:
    cache:
        blobdescriptor: inmemory
    filesystem:
        rootdirectory: /var/lib/registry
    delete:
        enabled: true
http:
    addr: :5000
    headers:
        X-Content-Type-Options: [nosniff]
health:
  storagedriver:
    enabled: true
    interval: 10s
    threshold: 3

Thanking Daniel Jimenez for his perfect solution to fetch column names alone from my csv, I extend his solution to use DictReader so we can iterate over the rows using column names as indexes. Thanks Jimenez.

with open('myfile.csv') as csvfile:

    rest = []
    with open("myfile.csv", "rb") as f:
        reader = csv.reader(f)
        i = reader.next()
        i=i[1:]
        re=csv.DictReader(csvfile)
        for row in re:
            for x in i:
                print row[x]

If your user has a local folder e.g. Linux, in your users home folder you could create a .my.cnf file and provide the credentials to access the server there. for example:-

[client]
host=localhost
user=yourusername
password=yourpassword or exclude to force entry
database=mygotodb

Mysql would then open this file for each user account read the credentials and open the selected database.

Not sure on Windows, I upgraded from Windows because I needed the whole house not just the windows (aka Linux) a while back.

In Visual Studio .NET you can do Ctrl + K then C to comment, Crtl + K then U to uncomment a block.

<?php
session_start();

$message1 = "A message";
$message2 = "Another message";

$_SESSION['firstMessage'] = $message1;
$_SESSION['secondMessage'] = $message2; 
?>

Stores the sessions on page 1 then on page 2 do

<?php
session_start();

echo $_SESSION['firstMessage'];
echo $_SESSION['secondMessage'];
?>

<translate
    android:fromXDelta="100%p"
    android:toXDelta="0%p"
    android:duration="500" />

It mostly depends on the (other) activity in the database. Operations like this effectively freeze the entire database for other sessions. Another consideration is the datamodel and the presence of constraints,triggers, etc.

My first approach is always: create a (temp) table with a structure similar to the target table (create table tmp AS select * from target where 1=0), and start by reading the file into the temp table. Then I check what can be checked: duplicates, keys that already exist in the target, etc.

Then I just do a "do insert into target select * from tmp" or similar.

If this fails, or takes too long, I abort it and consider other methods (temporarily dropping indexes/constraints, etc)

This is what you need:

comboBox1.ResetText();

This is a general rambling on Parallelism in SQL Server, it might not answer your question directly.

From Books Online, on MAXDOP:

Sets the maximum number of processors the query processor can use to execute a single index statement. Fewer processors may be used depending on the current system workload.

See Rickie Lee's blog on parallelism and CXPACKET wait type. It's quite interesting.

Generally, in an OLTP database, my opinion is that if a query is so costly it needs to be executed on several processors, the query needs to be re-written into something more efficient.

Why you get better results adding MAXDOP(1)? Hard to tell without the actual execution plans, but it might be so simple as that the execution plan is totally different that without the OPTION, for instance using a different index (or more likely) JOINing differently, using MERGE or HASH joins.

This way you can use upto 'N' letters.

char[] a={ 'a', 'b', 'c', 'd', 'e' };
int indexOf=0;
for(int i=0;i<a.length;i++){
  if(a[i] != 'b'){
    indexOf++;
    }else{
    System.out.println("index of given: "+indexOf);
 }}

OpenURI is the best; it's as simple as

require 'open-uri'
response = open('http://example.com').read

You can imitate open source Dockerfile, for example:

Node: node12-github

RUN groupadd --gid 1000 node \
    && useradd --uid 1000 --gid node --shell /bin/bash --create-home node

superset: superset-github

RUN useradd --user-group --create-home --no-log-init --shell /bin/bash 
    superset

I think it's a good way to follow open source.

I would recommend running ThreadPool.GetMaxThreads method in debug

ThreadPool.GetMaxThreads(out int workerThreadsCount, out int ioThreadsCount);

Docs and examples: https://docs.microsoft.com/en-us/dotnet/api/system.threading.threadpool.getmaxthreads?view=netframework-4.8

I tried all of stack overflow and all didn't works. But this works for me:

1. Open System Configuration
2. Click Service tab
3. Uncheck all of Hyper-V related

The syntax to store the command output into a variable is var=$(command).

So you can directly do:

result=$(ls -l | grep -c "rahul.*patle")

And the variable $result will contain the number of matches.

#mydiv:before {
    content: url("data:image/svg+xml; utf8, <svg.. code here</svg>");
    display:block;
    width:22px;
    height:10px;
    margin:10px 5px 0 10px;
}

make sure your svg doesn't contain double quotes, and uriencode any # symbols.

I had a similar issue but I was unable to use the UserAgent class inside the fake_useragent module. I was running the code inside a docker container

import requests
import ujson
import random

response = requests.get('https://fake-useragent.herokuapp.com/browsers/0.1.11')
agents_dictionary = ujson.loads(response.text)
random_browser_number = str(random.randint(0, len(agents_dictionary['randomize'])))
random_browser = agents_dictionary['randomize'][random_browser_number]
user_agents_list = agents_dictionary['browsers'][random_browser]
user_agent = user_agents_list[random.randint(0, len(user_agents_list)-1)]

I targeted the endpoint used in the module. This solution still gave me a random user agent however there is the possibility that the data structure at the endpoint could change.

You could do the following (borrowing parts from Aman's answer):

cols = df.columns.tolist()
cols.insert(0, cols.pop(-1))

cols
>>>['mean', 0L, 1L, 2L, 3L, 4L]

df = df[cols]

If you want to ignore lines with only whitespace:

if not line.strip():
    ... do something

The empty string is a False value.

Or if you really want only empty lines:

if line in ['\n', '\r\n']:
    ... do  something

• because when the constructor is called, the bean is not yet initialized - i.e. no dependencies are injected. In the @PostConstruct method the bean is fully initialized and you can use the dependencies.

• because this is the contract that guarantees that this method will be invoked only once in the bean lifecycle. It may happen (though unlikely) that a bean is instantiated multiple times by the container in its internal working, but it guarantees that @PostConstruct will be invoked only once.

Tried a combination of some answers and this eventually worked:

sudo -H pip install --upgrade --ignore-installed awsebcli

Cheers

Actually pprint seems to sort the keys for you under python2.5

>>> from pprint import pprint
>>> mydict = {'a':1, 'b':2, 'c':3}
>>> pprint(mydict)
{'a': 1, 'b': 2, 'c': 3}
>>> mydict = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5}
>>> pprint(mydict)
{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5}
>>> d = dict(zip("kjihgfedcba",range(11)))
>>> pprint(d)
{'a': 10,
 'b': 9,
 'c': 8,
 'd': 7,
 'e': 6,
 'f': 5,
 'g': 4,
 'h': 3,
 'i': 2,
 'j': 1,
 'k': 0}

But not always under python 2.4

>>> from pprint import pprint
>>> mydict = {'a':1, 'b':2, 'c':3, 'd':4, 'e':5}
>>> pprint(mydict)
{'a': 1, 'c': 3, 'b': 2, 'e': 5, 'd': 4}
>>> d = dict(zip("kjihgfedcba",range(11)))
>>> pprint(d)
{'a': 10,
 'b': 9,
 'c': 8,
 'd': 7,
 'e': 6,
 'f': 5,
 'g': 4,
 'h': 3,
 'i': 2,
 'j': 1,
 'k': 0}
>>> 

Reading the source code of pprint.py (2.5) it does sort the dictionary using

items = object.items()
items.sort()

for multiline or this for single line

for k, v in sorted(object.items()):

before it attempts to print anything, so if your dictionary sorts properly like that then it should pprint properly. In 2.4 the second sorted() is missing (didn't exist then) so objects printed on a single line won't be sorted.

So the answer appears to be use python2.5, though this doesn't quite explain your output in the question.

Python3 Update

Pretty print by sorted keys (lambda x: x[0]):

for key, value in sorted(dict_example.items(), key=lambda x: x[0]): 
    print("{} : {}".format(key, value))

Pretty print by sorted values (lambda x: x[1]):

for key, value in sorted(dict_example.items(), key=lambda x: x[1]): 
    print("{} : {}".format(key, value))

The getRequestURL() omits the port when it is 80 while the scheme is http, or when it is 443 while the scheme is https.

So, just use getRequestURL() if all you want is obtaining the entire URL. This does however not include the GET query string. You may want to construct it as follows then:

StringBuffer requestURL = request.getRequestURL();
if (request.getQueryString() != null) {
    requestURL.append("?").append(request.getQueryString());
}
String completeURL = requestURL.toString();

An <input type=hidden> element is not a hidden input box. It is simply a form field that has a value set via markup or via scripting, not via user input. You can use it for multi-line data too, e.g.

<input type=hidden name=stuff value=
"Hello
world, how
are you?">

If the value contains the Ascii quotation mark ("), then, as for any HTML attribute, you need to use Ascii apostrophes (') as attribute value delimites or escape the quote as ", e.g.

<input type=hidden name=stuff value="A &quot;funny&quot; example">

In my case, it's because I deleted the chrome update folder. After chrome reinstall, it's working fine.

String TitleCaseString(String s)
{
    if (s == null || s.Length == 0) return s;

    string[] splits = s.Split(' ');

    for (int i = 0; i < splits.Length; i++)
    {
        switch (splits[i].Length)
        {
            case 1:
                break;

            default:
                splits[i] = Char.ToUpper(splits[i][0]) + splits[i].Substring(1);
                break;
        }
    }

    return String.Join(" ", splits);
}

I had same issue after importing maven project consisting of nested micro services. This is how I got it resolved in Eclipse:

1. Right Click on Project
2. Select Configure
3. Select "Configure and Detect Nested Projects"

Method to convert a List<List> to List :

listOfLists.stream().flatMap(List::stream).collect(Collectors.toList());

See this example:

public class Example {

    public static void main(String[] args) {
        List<List<String>> listOfLists = Collections.singletonList(Arrays.asList("a", "b", "v"));
        List<String> list = listOfLists.stream().flatMap(List::stream).collect(Collectors.toList());

        System.out.println("listOfLists => " + listOfLists);
        System.out.println("list => " + list);
    }

}       

It prints:

listOfLists => [[a, b, c]]
list => [a, b, c]

In Python this can be done using List Comprehension.

list_of_lists = [['Roopa','Roopi','Tabu', 'Soudipta'],[180.0, 1231, 2112, 3112], [130], [158.2], [220.2]]

flatten = [val for sublist in list_of_lists for val in sublist]

print(flatten)

['Roopa', 'Roopi', 'Tabu', 'Soudipta', 180.0, 1231, 2112, 3112, 130, 158.2, 220.2]

imageView.image = [UIImage imageNamed:@"myImage.png"];

Date#parse is deprecated . The alternative is :

java.text.DateFormat#parse 

thereFore :

 new SimpleDateFormat("E MMM dd H:m:s z yyyy", Locale.ARABIC).parse(testDate)

Note that SimpleDateFormat is an implementation of DateFormat

1. You can print your variables out along the way
2. Turn on the -w (warnings) flag
3. Use a tool such as ruby-debug

Use height and width in percentage.

For example:

width: 80%;
height: 80%;

The other way to get in a git detached head state is to try to commit to a remote branch. Something like:

git fetch
git checkout origin/foo
vi bar
git commit -a -m 'changed bar'

Note that if you do this, any further attempt to checkout origin/foo will drop you back into a detached head state!

The solution is to create your own local foo branch that tracks origin/foo, then optionally push.

This probably has nothing to do with your original problem, but this page is high on the google hits for "git detached head" and this scenario is severely under-documented.

If you have only one nav and you want to change it, you should change your variables.less: @navbar-height (somewhere near line 265, I can't recall how many lines I added to mine).

This is referenced by the mixin .navbar-vertical-align, which is used for example to position the "toggle" element, anything with .navbar-form, .navbar-btn, and .navbar-text.

If you have two navbars and want them to be different heights, Minder Saini's answer may work well enough, when qualified further by an , e.g., #topnav.navbar but should be tested across multiple device widths.

An Object becomes eligible for Garbage collection or GC if its not reachable from any live threads or any static refrences in other words you can say that an object becomes eligible for garbage collection if its all references are null. Cyclic dependencies are not counted as reference so if Object A has reference of object B and object B has reference of Object A and they don't have any other live reference then both Objects A and B will be eligible for Garbage collection. Generally an object becomes eligible for garbage collection in Java on following cases:

1. All references of that object explicitly set to null e.g. object = null
2. Object is created inside a block and reference goes out scope once control exit that block.
3. Parent object set to null, if an object holds reference of another object and when you set container object's reference null, child or contained object automatically becomes eligible for garbage collection.
4. If an object has only live references via WeakHashMap it will be eligible for garbage collection.

var startTime = new TimeSpan(6, 0, 0); // 6:00 AM
var endTime = new TimeSpan(5, 30, 0); // 5:30 AM 
var hours24 = new TimeSpan(24, 0, 0);
var difference = endTime.Subtract(startTime); // (-00:30:00)
difference = (difference.Duration() != difference) ? hours24.Subtract(difference.Duration()) : difference; // (23:30:00)

can also add difference between the dates if we compare two different dates

new TimeSpan(24 * days, 0, 0)

<input type="text" name="field" maxlength="8"
    onkeypress="return onlyAlphabets(event,this);" />

function onlyAlphabets(e, t) {
            try {
                if (window.event) {
                    var charCode = window.event.keyCode;
                }
                else if (e) {
                    var charCode = e.which;
                }
                else { return true; }
                if ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123))
                    return true;
                else
                    return false;
            }
            catch (err) {
                alert(err.Description);
            }
        }

This will remove first match wherever it is found i.e., start or middle or end.

$str = substr($str, 0, strpos($str, $prefix)).substr($str, strpos($str, $prefix)+strlen($prefix));

Inside testing2.php you should print the $_POST array which contains all the data from the post. Also, $_POST['name'] should be available. For more info check $_POST on php.net.

It's in an additional download. Use this menu item:

Xcode > Open Developer Tool > More Developer Tools...

and get "Hardware IO Tools for Xcode".

For Xcode 8+, get "Additional Tools for Xcode [version]".

Double-click on a .prefPane file to install. If you already have an older .prefPane installed, you'll need to remove it from /Library/PreferencePanes.

According to RFC 7231, a 303 See Other MAY be used If the result of processing a POST would be equivalent to a representation of an existing resource.

NaN means "Not a Number" and is the result of undefined operations on floating point numbers like for example dividing zero by zero. (Note that while dividing a non-zero number by zero is also usually undefined in mathematics, it does not result in NaN but in positive or negative infinity).

You can even take a direct approach:

git checkout topic
git rebase <commitB>

If you are not worrying about opening a console on-command, you can go into the properties for your project and change it to Console Application

.

This will still show your form as well as popping up a console window. You can't close the console window, but it works as an excellent temporary logger for debugging.

Just remember to turn it back off before you deploy the program.

Chances are that you've not included the header file that declares system().

In order to be able to compile C++ code that uses functions which you don't (manually) declare yourself, you have to pull in the declarations. These declarations are normally stored in so-called header files that you pull into the current translation unit using the #include preprocessor directive. As the code does not #include the header file in which system() is declared, the compilation fails.

To fix this issue, find out which header file provides you with the declaration of system() and include that. As mentioned in several other answers, you most likely want to add #include <cstdlib>

Please! please! please! DO NOT serialize data and place it into your database. Serialize can be used that way, but that's missing the point of a relational database and the datatypes inherent in your database engine. Doing this makes data in your database non-portable, difficult to read, and can complicate queries. If you want your application to be portable to other languages, like let's say you find that you want to use Java for some portion of your app that it makes sense to use Java in, serialization will become a pain in the buttocks. You should always be able to query and modify data in the database without using a third party intermediary tool to manipulate data to be inserted.

it makes really difficult to maintain code, code with portability issues, and data that is it more difficult to migrate to other RDMS systems, new schema, etc. It also has the added disadvantage of making it messy to search your database based on one of the fields that you've serialized.

That's not to say serialize() is useless. It's not... A good place to use it may be a cache file that contains the result of a data intensive operation, for instance. There are tons of others... Just don't abuse serialize because the next guy who comes along will have a maintenance or migration nightmare.

A good example of serialize() and unserialize() could be like this:

$posts = base64_encode(serialize($_POST));
header("Location: $_SERVER[REQUEST_URI]?x=$posts");

Unserialize on the page

if($_GET['x']) {
   // unpack serialize and encoded URL
   $_POST = unserialize(base64_decode($_GET['x']));
}

Try with the following code to get width and height of screen

int widthOfscreen =0;
int heightOfScreen = 0;
DisplayMetrics dm = new DisplayMetrics();
        try {
            ((Activity) context).getWindowManager().getDefaultDisplay()
                    .getMetrics(dm);
        } catch (Exception ex) {
        }
         widthOfscreen  = dm.widthPixels;
heightOfScreen  = dm.heightPixels;

It would seem like your user doesn't have permission to write to that directory on the server. Please make sure that the permissions are correct. The user will need write permissions on that directory.

Your error is in resultCode = Activity.RESULT_CANCELED, you should instance like resultCode == Activity.RESULT_CANCELED ==

You need to set the flags after the project command in your CMakeLists.txt.

Also, if you're calling include(${QT_USE_FILE}) or add_definitions(${QT_DEFINITIONS}), you should include these set commands after the Qt ones since these would append further flags. If that is the case, you maybe just want to append your flags to the Qt ones, so change to e.g.

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -ggdb")

That probably means that your id is an AUTO_INCREMENT integer and you're trying to send a string. You should specify a column list and omit it from your INSERT.

INSERT INTO workorders (column1, column2) VALUES ($column1, $column2)

Swift 5.*

Navigation:

guard let myVC = self.storyboard?.instantiateViewController(withIdentifier: "MyViewController") else { return }
let navController = UINavigationController(rootViewController: myVC)

self.navigationController?.present(navController, animated: true, completion: nil)

Going Back:

self.dismiss(animated: true, completion: nil)

Swift 2.0

Navigation:

let myVC = self.storyboard?.instantiateViewControllerWithIdentifier("MyViewController");
let navController = UINavigationController(rootViewController: myVC!)

self.navigationController?.presentViewController(navController, animated: true, completion: nil)

Going Back:

self.dismissViewControllerAnimated(true, completion: nil)

The date format for mysql insert query is YYYY-MM-DD

example:

INSERT INTO table_name (date_column) VALUE ('YYYY-MM-DD');

<div id="image">Example to have Background Image</div>

We need to Add the below content in Style tag:

.image {
  background-image: url('C:\Users\ajai\Desktop\10.jpg');
}

I think using xdg-open http://example.com is probably the best choice.

In case they don't have it installed I suppose they might have just kde-open or gnome-open (both of which take a single file/url) or some other workaround such as looping over common browser executable names until you find one which can be executed(using which). If you want a full list of workarounds/fallbacks I suggest reading xdg-open(it's a shell script which calls out to kde-open/gnome-open/etc. or some other fallback).

But since xdg-open and xdg-mime(used for one of the fallbacks,) are shell scripts I'd recommend including them in your application and if calling which xdg-open fails add them to temporary PATH variable in your subprograms environment and call out to them. If xdg-open fails, I'd recommend throwing an Exception with an error message from what it output on stderr and catching the exception and printing/displaying the error message.

I would ignore the java awt Desktop solution as the bug seems to indicate they don't plan on supporting non-gnome desktops anytime soon.

This solution worked for me posted by Eric on the codingforums

The reason why it does not prompt it is because the browser needs the page to phyiscally to refresh back to the server. A little trick you can do is to perform two actions with the form. First action is onsubmit have it call your Ajax code. Also have the form target a hidden iframe.

Code:

<iframe src="ablankpage.htm" id="temp" name="temp" style="display:none"></iframe>
<form target="temp" onsubmit="yourAjaxCall();">

See if that causes the prompt to appear.

Eric

Posted on http://www.codingforums.com/showthread.php?t=123007

What does it mean to "unwrap the instance"? Why is it necessary?

As far as I can work out (this is very new to me, too)...

The term "wrapped" implies we should think of an Optional variable as a present, wrapped in shiny paper, which might (sadly!) be empty.

When "wrapped", the value of an Optional variable is an enum with two possible values (a little like a Boolean). This enum describes whether the variable holds a value (Some(T)), or not (None).

If there is a value, this can be obtained by "unwrapping" the variable (obtaining the T from Some(T)).

How is john!.apartment = number73 different from john.apartment = number73? (Paraphrased)

If you write the name of an Optional variable (eg text john, without the !), this refers to the "wrapped" enum (Some/None), not the value itself (T). So john isn't an instance of Person, and it doesn't have an apartment member:

john.apartment
// 'Person?' does not have a member named 'apartment'

The actual Person value can be unwrapped in various ways:

• "forced unwrapping": john! (gives the Person value if it exists, runtime error if it is nil)
• "optional binding": if let p = john { println(p) } (executes the println if the value exists)
• "optional chaining": john?.learnAboutSwift() (executes this made-up method if the value exists)

I guess you choose one of these ways to unwrap, depending upon what should happen in the nil case, and how likely that is. This language design forces the nil case to be handled explicitly, which I suppose improves safety over Obj-C (where it is easy to forget to handle the nil case).

Update:

The exclamation mark is also used in the syntax for declaring "Implicitly Unwrapped Optionals".

In the examples so far, the john variable has been declared as var john:Person?, and it is an Optional. If you want the actual value of that variable, you must unwrap it, using one of the three methods above.

If it were declared as var john:Person! instead, the variable would be an Implicitly Unwrapped Optional (see the section with this heading in Apple's book). There is no need to unwrap this kind of variable when accessing the value, and john can be used without additional syntax. But Apple's book says:

Implicitly unwrapped optionals should not be used when there is a possibility of a variable becoming nil at a later point. Always use a normal optional type if you need to check for a nil value during the lifetime of a variable.

Update 2:

The article "Interesting Swift Features" by Mike Ash gives some motivation for optional types. I think it is great, clear writing.

Update 3:

Another useful article about the implicitly unwrapped optional use for the exclamation mark: "Swift and the Last Mile" by Chris Adamson. The article explains that this is a pragmatic measure by Apple used to declare the types used by their Objective-C frameworks which might contain nil. Declaring a type as optional (using ?) or implicitly unwrapped (using !) is "a tradeoff between safety and convenience". In the examples given in the article, Apple have chosen to declare the types as implicitly unwrapped, making the calling code more convenient, but less safe.

Perhaps Apple might comb through their frameworks in the future, removing the uncertainty of implicitly unwrapped ("probably never nil") parameters and replacing them with optional ("certainly could be nil in particular [hopefully, documented!] circumstances") or standard non-optional ("is never nil") declarations, based on the exact behaviour of their Objective-C code.

Actually, super() is the first statement of a constructor because to make sure its superclass is fully-formed before the subclass being constructed. Even if you don't have super() in your first statement, the compiler will add it for you!

Change your Main.c like so

#include <stdlib.h>
#include <stdio.h>
#include "ClasseAusiliaria.h"

int main(void)
{
  int risultato;
  risultato = addizione(5,6);
  printf("%d\n",risultato);
}

Create ClasseAusiliaria.h like so

extern int addizione(int a, int b);

I then compiled and ran your code, I got an output of

11

try this

<c:forEach items="${list}" var="map">
    <tr>
        <c:forEach items="${map}" var="entry">

            <td>${entry.value}</td>

        </c:forEach>
    </tr>
</c:forEach>

Two possible approaches.

1. If you have a foreign key, declare it as on-delete-cascade and delete the parent rows older than 30 days. All the child rows will be deleted automatically.

2. Based on your description, it looks like you know the parent rows that you want to delete and need to delete the corresponding child rows. Have you tried SQL like this?

     delete from child_table
         where parent_id in (
              select parent_id from parent_table
                   where updd_tms != (sysdate-30)
   

   -- now delete the parent table records

   delete from parent_table
   where updd_tms != (sysdate-30);
   

---- Based on your requirement, it looks like you might have to use PL/SQL. I'll see if someone can post a pure SQL solution to this (in which case that would definitely be the way to go).

declare
    v_sqlcode number;
    PRAGMA EXCEPTION_INIT(foreign_key_violated, -02291);
begin
    for v_rec in (select parent_id, child id from child_table
                         where updd_tms != (sysdate-30) ) loop

    -- delete the children
    delete from child_table where child_id = v_rec.child_id;

    -- delete the parent. If we get foreign key violation, 
    -- stop this step and continue the loop
    begin
       delete from parent_table
          where parent_id = v_rec.parent_id;
    exception
       when foreign_key_violated
         then null;
    end;
 end loop;
end;
/

I had the same "TypeError: an integer is required" error message when attempting to write. Thanks, the .encode() solved it for me. I'm running python 3.4 on a Dell D530 running 32 bit Windows XP Pro.

I'm omitting the com port settings here:

>>>import serial

>>>ser = serial.Serial(5)

>>>ser.close()

>>>ser.open()

>>>ser.write("1".encode())

1

>>>

As EJP said, it's a message shown because of a call to a non-https protocol. If you are sure it is HTTPS, check your bypass proxy settings, and in case add your webservice host url to the bypass proxy list

To go n folders up... run up(n)

import os

def up(n, nth_dir=os.getcwd()):
    while n != 0:
        nth_dir = os.path.dirname(nth_dir)
        n -= 1
    return nth_dir

You can define a class or id for input fields.

Or

input {
    line-height: 20px;
}

Hope this helps you.

In my first gson application I avoided using additional classes to catch values mainly because I use json for config matters

despite the lack of information (even gson page), that's what I found and used:

starting from

Map jsonJavaRootObject = new Gson().fromJson("{/*whatever your mega complex object*/}", Map.class)

Each time gson sees a {}, it creates a Map (actually a gson StringMap )

Each time gson sees a '', it creates a String

Each time gson sees a number, it creates a Double

Each time gson sees a [], it creates an ArrayList

You can use this facts (combined) to your advantage

Finally this is the code that makes the thing

        Map<String, Object> javaRootMapObject = new Gson().fromJson(jsonLine, Map.class);

    System.out.println(
        (
            (Map)
            (
                (List)
                (
                    (Map)
                    (
                        javaRootMapObject.get("data")
                    )
                 ).get("translations")
            ).get(0)
        ).get("translatedText")
    );

Right. So I've finally got to the bottom of the problem: it was a botched in-place OTA upgrade.

My suspicions intensified after my Garmin Fenix 2 wasn't able to connect via bluetooth and after googling "Marshmallow upgrade issues". Anyway, a "Factory reset" fixed the issue.

Surprisingly, the reset did not return the phone to the original Kitkat; instead, the wipe process picked up the OTA downloaded 6.0 upgrade package and ran with it, resulting (I guess) in a "cleaner" upgrade.

Of course, this meant that the phone lost all the apps that I'd installed. But, freshly installed apps, including mine, work without any changes (i.e. there is backward compatibility). Whew!

@Stephen Bailey

To complete your answer, you can also delegate the user rights to the project manager, through a plain text file in your repository.

To do that, you set up your SVN database with a default authz file containing the following:

###########################################################################
# The content of this file always precedes the content of the
# $REPOS/admin/acl_descriptions.txt file.
# It describes the immutable permissions on main folders.
###########################################################################
[groups]
svnadmins = xxx,yyy,....

[/]
@svnadmins = rw
* = r
[/admin]
@svnadmins = rw
@projadmins = r
* =

[/admin/acl_descriptions.txt]
@projadmins = rw

This default authz file authorizes the SVN administrators to modify a visible plain text file within your SVN repository, called '/admin/acl_descriptions.txt', in which the SVN administrators or project managers will modify and register the users.

Then you set up a pre-commit hook which will detect if the revision is composed of that file (and only that file).

If it is, this hook's script will validate the content of your plain text file and check if each line is compliant with the SVN syntax.

Then a post-commit hook will update the \conf\authz file with the concatenation of:

• the TEMPLATE authz file presented above
• the plain text file /admin/acl_descriptions.txt

The first iteration is done by the SVN administrator, who adds:

[groups]
projadmins = zzzz

He commits his modification, and that updates the authz file.

Then the project manager 'zzzz' can add, remove or declare any group of users and any users he wants. He commits the file and the authz file is updated.

That way, the SVN administrator does not have to individually manage any and all users for all SVN repositories.

To post a clarification answer here for those who get directed here by Google.

The document size includes everything in the document including the subdocuments, nested objects etc.

So a document of:

{
  "_id": {},
  "na": [1, 2, 3],
  "naa": [
    { "w": 1, "v": 2, "b": [1, 2, 3] },
    { "w": 5, "b": 2, "h": [{ "d": 5, "g": 7 }, {}] }
  ]
}

Has a maximum size of 16 MB.

Subdocuments and nested objects are all counted towards the size of the document.

Provide the directory on the command line:

svn checkout file:///home/landonwinters/svn/waterproject/trunk public_html

Using standard JSF API, add the client ID to PartialViewContext#getRenderIds().

FacesContext.getCurrentInstance().getPartialViewContext().getRenderIds().add("foo:bar");

Using PrimeFaces specific API, use PrimeFaces.Ajax#update().

PrimeFaces.current().ajax().update("foo:bar");

Or if you're not on PrimeFaces 6.2+ yet, use RequestContext#update().

RequestContext.getCurrentInstance().update("foo:bar");

If you happen to use JSF utility library OmniFaces, use Ajax#update().

Ajax.update("foo:bar");

Regardless of the way, note that those client IDs should represent absolute client IDs which are not prefixed with the NamingContainer separator character like as you would do from the view side on.

For Android Studio / intellij users:

• Select Version Control
• Select Log
• Right click the commit for which you want to rename
• Click Edit Commit Message
• Write your commit message
• Done

d = dict([(x,0) for x in a])

**edit Tim's solution is better because it uses generators see the comment to his answer.

I find I rarely have need to use getCanonicalPath() but, if given a File with a filename that is in DOS 8.3 format on Windows, such as the java.io.tmpdir System property returns, then this method will return the "full" filename.

There is an Euclid's algorithm for GCD,

public int GCF(int a, int b) {
    if (b == 0) return a;
    else return (GCF (b, a % b));
}

By the way, a and b should be greater or equal 0, and LCM = |ab| / GCF(a, b)

I want to provide an alternative next to @Morten Berg's accepted solution, which worked better for me.

This approach allows to define the field with the actually desired Number type - Long in my use case - instead of GeneralSequenceNumber. This can be useful, e.g. for JSON (de-)serialization.

The downside is that it requires a little more database overhead.

First, we need an ActualEntity in which we want to auto-increment generated of type Long:

// ...
@Entity
public class ActualEntity {

    @Id 
    // ...
    Long id;

    @Column(unique = true, updatable = false, nullable = false)
    Long generated;

    // ...

}

Next, we need a helper entity Generated. I placed it package-private next to ActualEntity, to keep it an implementation detail of the package:

@Entity
class Generated {

    @Id
    @GeneratedValue(strategy = SEQUENCE, generator = "seq")
    @SequenceGenerator(name = "seq", initialValue = 1, allocationSize = 1)
    Long id;

}

Finally, we need a place to hook in right before we save the ActualEntity. There, we create and persist aGenerated instance. This then provides a database-sequence generated id of type Long. We make use of this value by writing it to ActualEntity.generated.

In my use case, I implemented this using a Spring Data REST @RepositoryEventHandler, which get's called right before the ActualEntity get's persisted. It should demonstrate the principle:

@Component
@RepositoryEventHandler
public class ActualEntityHandler {

    @Autowired
    EntityManager entityManager;

    @Transactional
    @HandleBeforeCreate
    public void generate(ActualEntity entity) {
        Generated generated = new Generated();

        entityManager.persist(generated);
        entity.setGlobalId(generated.getId());
        entityManager.remove(generated);
    }

}

I didn't test it in a real-life application, so please enjoy with care.

I had the same problem and wanted to change the product key to another. Unfortunate it's not as easy as it was on VS2010.

The following steps work:

• Remove the registry key containing the license information: HKEY_CLASSES_ROOT\Licenses\77550D6B-6352-4E77-9DA3-537419DF564B

• If you can't find the key, use sysinternals ProcessMonitor to check the registry access of VS2012 to locate the correct key which is always in HKEY_CLASSES_ROOT\Licenses

• After you remove this key, VS2012 will tell you that it's license information is incorrect. Go to "Programs and features" and repair VS2012.

• After the repair, VS2012 is reverted to a 30 day trial and you can enter a new product key. This could also be used to stay in a trial version loop and never enter a producy key.

Problem Cause

In mac os image rendering back end of matplotlib (what-is-a-backend to render using the API of Cocoa by default). There are Qt4Agg and GTKAgg and as a back-end is not the default. Set the back end of macosx that is differ compare with other windows or linux os.

Solution

• I assume you have installed the pip matplotlib, there is a directory in your root called ~/.matplotlib.
• Create a file ~/.matplotlib/matplotlibrc there and add the following code: backend: TkAgg

From this link you can try different diagrams.

Indexing a list is done using double bracket, i.e. hypo_list[[1]] (e.g. have a look here: http://www.r-tutor.com/r-introduction/list). BTW: read.table does not return a table but a dataframe (see value section in ?read.table). So you will have a list of dataframes, rather than a list of table objects. The principal mechanism is identical for tables and dataframes though.

Note: In R, the index for the first entry is a 1 (not 0 like in some other languages).

Dataframes

l <- list(anscombe, iris)   # put dfs in list
l[[1]]             # returns anscombe dataframe

anscombe[1:2, 2]   # access first two rows and second column of dataset
[1] 10  8

l[[1]][1:2, 2]     # the same but selecting the dataframe from the list first
[1] 10  8

Table objects

tbl1 <- table(sample(1:5, 50, rep=T))
tbl2 <- table(sample(1:5, 50, rep=T))
l <- list(tbl1, tbl2)  # put tables in a list

tbl1[1:2]              # access first two elements of table 1 

Now with the list

l[[1]]                 # access first table from the list

1  2  3  4  5 
9 11 12  9  9 

l[[1]][1:2]            # access first two elements in first table

1  2 
9 11 

For 2 use cases:

1. I only want n overall results, not n results per file, the grep -m 2 is per file max occurrence.
2. I often use git grep which doesn't take -m

A good alternative in these scenarios is grep | sed 2q to grep first 2 occurrences across all files. sed documentation: https://www.gnu.org/software/sed/manual/sed.html

Android has build-in patterns for email, phone number, etc, that you can use if you are building for Android API level 8 and above.

private boolean isValidEmail(CharSequence email) {
    if (!TextUtils.isEmpty(email)) {
        return Patterns.EMAIL_ADDRESS.matcher(email).matches();
    }
    return false;
}

private boolean isValidPhoneNumber(CharSequence phoneNumber) {
    if (!TextUtils.isEmpty(phoneNumber)) {
        return Patterns.PHONE.matcher(phoneNumber).matches();
    }
    return false;
}

What worked for me - should really be moved to iPhone:

Charles

1. Enable transparent Http proxying
2. Enable SSL proxying
3. Right click on incoming request and select SSL proxying

Mac

1. Download Charles CA Certificate bundle http://www.charlesproxy.com/ssl.zip
2. Email yourself charles-proxy-ssl-proxying-certificate.crt

iPhone

1. Enable http proxy for Charles on port 8888
2. Select and install email attachment, yes trust it!

Voila, you can now view encrypted traffic from the domain added in the SSL proxying

When there is more than one module under app folder, generating a component with below command will fail:

ng generate component New-Component-Name

The reason is angular CLI detects multiple module, and does't know in which module to add the component. So, you need to explicitly mention which module component will be added:

ng generate component New-Component-Name --module=ModuleName

Instead of initiating a background process, what about creating a trigger file and having a scheduler like cron or autosys periodically execute a script that looks for and acts on the trigger files? The triggers could contain instructions or even raw commands (better yet, just make it a shell script).

inside frame constructor

try{    
       setIconImage(ImageIO.read(new File("./images/icon.png")));   
   }
catch (Exception ex){
       //do something
   }

I had this issue while referencing a nuget package and later on using the remove option to delete it from my project. I had to clear the bin folder after battling with the issue for hours. To avoid this its advisable to use nuget to uninstall unwanted packages rather than the usual delete

Rake::Task['reklamer:orville'].invoke

or

Rake::Task['reklamer:orville'].invoke(args)

I would personally use an <svg> tag because if you do you have full control over it. If you do use it in <img> you don't get to control the innards of the SVG with CSS etc.

another thing is browser support.

Just open your svg file and paste it straight into the template.

<svg version="1.0" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 3400 2700" preserveAspectRatio="xMidYMid meet" (click)="goHome();">
  <g id="layer101">
    <path d="M1410 2283 c-162 -225 -328 -455 -370 -513 -422 -579 -473 -654 -486 -715 -7 -33 -50 -247 -94 -475 -44 -228 -88 -448 -96 -488 -9 -40 -14 -75 -11 -78 2 -3 87 85 188 196 165 180 189 202 231 215 25 7 129 34 230 60 100 26 184 48 185 49 4 4 43 197 43 212 0 10 -7 13 -22 9 -13 -3 -106 -25 -208 -49 -102 -25 -201 -47 -221 -51 l-37 -7 8 42 c4 23 12 45 16 49 5 4 114 32 243 62 129 30 240 59 246 66 10 10 30 132 22 139 -1 2 -110 -24 -241 -57 -131 -33 -240 -58 -242 -56 -6 6 13 98 22 107 5 4 135 40 289 80 239 61 284 75 307 98 14 15 83 90 153 167 70 77 132 140 139 140 7 0 70 -63 141 -140 70 -77 137 -150 150 -163 17 -19 81 -39 310 -97 159 -41 292 -78 296 -82 8 -9 29 -106 24 -111 -1 -2 -112 24 -245 58 -134 33 -245 58 -248 56 -6 -7 16 -128 25 -136 5 -4 112 -30 238 -59 127 -29 237 -54 246 -57 11 -3 20 -23 27 -57 6 -28 9 -53 8 -54 -1 -1 -38 7 -81 17 -274 66 -379 90 -395 90 -16 0 -16 -6 3 -102 11 -57 21 -104 22 -106 1 -1 96 -27 211 -57 115 -31 220 -60 234 -66 14 -6 104 -101 200 -211 95 -111 175 -197 177 -192 1 5 -40 249 -91 542 l-94 532 -145 203 c-220 309 -446 627 -732 1030 -143 201 -265 366 -271 367 -6 0 -143 -183 -304 -407z m10 -819 l-91 -161 -209 -52 c-115 -29 -214 -51 -219 -49 -6 1 32 55 84 118 l95 115 213 101 c116 55 213 98 215 94 1 -3 -38 -78 -88 -166z m691 77 l214 -99 102 -123 c56 -68 100 -125 99 -127 -4 -3 -435 106 -447 114 -4 2 -37 59 -74 126 -38 68 -79 142 -93 166 -13 23 -22 42 -20 42 2 0 101 -44 219 -99z"/>
    <path d="M1126 2474 c-198 -79 -361 -146 -363 -147 -2 -3 -70 -410 -133 -805 -12 -73 -20 -137 -18 -143 2 -6 26 23 54 63 27 40 224 320 437 622 213 302 386 550 385 551 -2 2 -165 -62 -362 -141z"/>
    <path d="M1982 2549 c25 -35 159 -230 298 -434 139 -203 283 -413 319 -465 37 -52 93 -134 125 -182 59 -87 83 -109 73 -65 -5 20 -50 263 -138 747 -17 91 -36 170 -42 176 -9 8 -571 246 -661 280 -14 6 -7 -10 26 -57z"/>
    <path d="M1679 1291 c-8 -11 -71 -80 -141 -153 l-127 -134 -95 -439 c-52 -242 -92 -442 -90 -445 6 -5 38 28 218 223 l99 107 154 0 c85 0 163 -4 173 -10 10 -5 78 -79 151 -162 73 -84 136 -157 140 -162 18 -21 18 4 -2 85 -11 46 -58 248 -105 448 l-84 364 -87 96 c-108 121 -183 201 -187 201 -2 0 -10 -9 -17 -19z m96 -488 c33 -102 59 -189 57 -192 -2 -6 -244 -2 -251 4 -5 6 120 375 127 375 4 0 34 -84 67 -187z"/>
    </g>
  </svg>

then in your css you can simply eg:

svg {
  fill: red;
}

Some resource: SVG tips

I adapted one of the above answers from cdhowie as I could not get it to work. This seems to work for me. I suspect it's also possible to do this with the UNIX_TIMESTAMP function been used.

SELECT * FROM your_table

WHERE UNIX_TIMESTAMP(DateVisited) >= UNIX_TIMESTAMP(CAST(NOW() - INTERVAL 1 DAY AS DATE))
  AND UNIX_TIMESTAMP(DateVisited) <= UNIX_TIMESTAMP(CAST(NOW() AS DATE));

Use this simple script that centers the modals.

If you want you can set a custom class (ex: .modal.modal-vcenter instead of .modal) to limit the functionality only to some modals.

var modalVerticalCenterClass = ".modal";

function centerModals($element) {
    var $modals;
    if ($element.length) {
      $modals = $element;
    } else {
    $modals = $(modalVerticalCenterClass + ':visible');
}
$modals.each( function(i) {
    var $clone = $(this).clone().css('display', 'block').appendTo('body');
    var top = Math.round(($clone.height() - $clone.find('.modal-content').height()) / 2);
    top = top > 0 ? top : 0;
    $clone.remove();
    $(this).find('.modal-content').css("margin-top", top);
});
}
$(modalVerticalCenterClass).on('show.bs.modal', function(e) {
    centerModals($(this));
});
$(window).on('resize', centerModals);

Also add this CSS fix for the modal's horizontal spacing; we show the scroll on the modals, the body scrolls is hidden automatically by Bootstrap:

/* scroll fixes */
.modal-open .modal {
  padding-left: 0px !important;
  padding-right: 0px !important;
  overflow-y: scroll;
}

1. Download from https://sourceforge.net/projects/gnuwin32/
2. Set the variable path in advance setting for recognize in command prompt (C:\Program Files (x86)\GnuWin32\bin)

Integer division truncates, so (50/100) results in 0. You can cast to float (better double) or multiply with 100.0 (for double precision, 100.0f for float precision) first,

double percentage;
// ...
percentage = 100.0*number/total;
// percentage = (double)number/total * 100;

or

float percentage;
// ...
percentage = (float)number/total * 100;
// percentage = 100.0f*number/total;

Since floating point arithmetic is not associative, the results of 100.0*number/total and (double)number/total * 100 may be slightly different (the same holds for float), but it's extremely unlikely to influence the first two places after the decimal point, so it probably doesn't matter which way you choose.

If you want to import the promise based version of fs as an ES module you can do:

import { promises as fs } from 'fs'

await fs.writeFile(...)

As soon as node v14 is released (see this PR), you can also use

import { writeFile } from 'fs/promises'

How about this? I frequently use the CSS Flexible Box Layout to center something.

<div style="display: flex; justify-content: center;">_x000D_
  <img src="http://icons.iconarchive.com/icons/rokey/popo-emotions/128/big-smile-icon.png" style="width: 40px; height: 40px;" />_x000D_
</div>

For handling errors from ajax calls on the client side, you assign a function to the error option of the ajax call.

To set a default globally, you can use the function described here: http://api.jquery.com/jQuery.ajaxSetup.

This is what I'm doing in TypeScript I have a little utils library where I put things like this

export const arrayToHash = (array: any[], id: string = 'id') => 
         array.reduce((obj, item) =>  (obj[item[id]] = item , obj), {})

usage:

const hash = arrayToHash([{id:1,data:'data'},{id:2,data:'data'}])

or if you have a identifier other than 'id'

const hash = arrayToHash([{key:1,data:'data'},{key:2,data:'data'}], 'key')

For anyone wondering about some of the different performance aspects with all of these different options, I've created a jsperf case here: jsperf

In short, using element.hasClass('class') is the fastest.

Next best bet is using elem.hasClass('classA') || elem.hasClass('classB'). A note on this one: order matters! If the class 'classA' is more likely to be found, list it first! OR condition statements return as soon as one of them is met.

The worst performance by far was using element.is('.class').

Also listed in the jsperf is CyberMonk's function, and Kolja's solution.

I had the situatuion when tomcat manager did not start. I had this exception in my logs/manager.DDD-MM-YY.log:

org.apache.catalina.core.StandardContext filterStart
SEVERE: Exception starting filter CSRF
java.lang.ClassNotFoundException: org.apache.catalina.filters.CsrfPreventionFilter
        at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
        ...

This exception was raised because I used a version of tomcat that hadn't CSRF prevention filter. Tomcat 6.0.24 doesn't have the CSRF prevention filter in it. The first version that has it is the 6.0.30 version (at least. according to the changelog). As a result, Tomcat Manager was uncompatible with version of Tomcat that I used. I've digged description of this issue here: http://blog.techstacks.com/.m/2009/05/tomcat-management-setting-up-tomcat/comments/

Steps to fix it:

1. Check version of tomcat installed by running "sh version.sh" from your tomcat/bin directory
2. Download corresponding version of tomcat
3. Stop tomcat
4. Remove your webapps/manager directory and copy manager application from distributive that you've downloaded.
5. Start tomcat

Now you should be able to access tomcat manager.

Using ggplot and a little dplyr for data manipulation:

set.seed(42)
df <- data.frame(x = rep(1:10,each=5), y = rnorm(50))

library(ggplot2)
library(dplyr)

df.summary <- df %>% group_by(x) %>%
    summarize(ymin = min(y),
              ymax = max(y),
              ymean = mean(y))

ggplot(df.summary, aes(x = x, y = ymean)) +
    geom_point(size = 2) +
    geom_errorbar(aes(ymin = ymin, ymax = ymax))

If there's an additional grouping column (OP's example plot has two errorbars per x value, saying the data is sourced from two files), then you should get all the data in one data frame at the start, add the grouping variable to the dplyr::group_by call (e.g., group_by(x, file) if file is the name of the column) and add it as a "group" aesthetic in the ggplot, e.g., aes(x = x, y = ymean, group = file).

This does it:

Do
   c = c + 1
Loop While Cells(c, "A").Value <> ""

'prints the last empty row
Debug.Print c

The su command does not execute anything, it just raise your privileges.

Try adb shell su -c YOUR_COMMAND.

I think my code (tested) is more "educated", assuming the simpler the better.

Option Base 1

'Function to sort an array decscending
Function SORT(Rango As Range) As Variant
    Dim check As Boolean
    check = True
    If IsNull(Rango) Then
        check = False
    End If
    If check Then
        Application.Volatile
        Dim x() As Variant, n As Double, m As Double, i As Double, j As Double, k As Double
        n = Rango.Rows.Count: m = Rango.Columns.Count: k = n * m
        ReDim x(n, m)
        For i = 1 To n Step 1
            For j = 1 To m Step 1
                x(i, j) = Application.Large(Rango, k)
                k = k - 1
            Next j
        Next i
        SORT = x
    Else
        Exit Function
    End If
End Function

I'll try to keep this short, I've done this a few months ago for a game I was trying to build, it does a UDP "Client-Server" connection that acts like TCP, you can send (message) (message + object) using this. I've done some testing with it and it works just fine, feel free to modify it if needed.