Hmmm -- since this is handled by the JVM, I delved into the OpenJDK VM source code a little bit, thinking that maybe what's done by OpenJDK mimics what's done by Java 6 and prior. It isn't reassuring that there's a way to do this other than on Windows.

On Windows, OpenJDK's get_temp_directory() function makes a Win32 API call to GetTempPath(); this is how on Windows, Java reflects the value of the TMP environment variable.

On Linux and Solaris, the same get_temp_directory() functions return a static value of /tmp/.

I don't know if the actual JDK6 follows these exact conventions, but by the behavior on each of the listed platforms, it seems like they do.

Clean Docker by using the following command:

docker images --no-trunc | grep '<none>' | awk '{ print $3 }' \
| xargs docker rmi

If you needed to add a lot of integers it'd proabbly be easiest to use a for loop. For example, adding 28 days to a daysInFebruary array.

ArrayList<Integer> daysInFebruary = new ArrayList<>();

for(int i = 1; i <= 28; i++) {
    daysInFebruary.add(i);
}

Unfortunately there is no way to add Tooltips for UDF Arguments.
To extend Remou's reply you can find a fuller but more complex approach to descriptions for the Function Wizard at
http://www.jkp-ads.com/Articles/RegisterUDF00.asp

Between 4.8 and 6 with all --slaves:

update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 \
                    10 \
                    --slave   /usr/bin/cc cc /usr/bin/gcc-4.8 \
                    --slave   /usr/bin/c++ c++ /usr/bin/g++-4.8 \
                    --slave   /usr/bin/g++ g++ /usr/bin/g++-4.8 \
                    --slave   /usr/bin/gcov gcov /usr/bin/gcov-4.8 \
                    --slave   /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-4.8 \
                    --slave   /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-4.8 \
                    --slave   /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-4.8 \
                    --slave   /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-4.8 \
                    --slave   /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-4.8

and

update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 \
                    15 \
                    --slave   /usr/bin/cc cc /usr/bin/gcc-6 \
                    --slave   /usr/bin/c++ c++ /usr/bin/g++-6 \
                    --slave   /usr/bin/g++ g++ /usr/bin/g++-6 \
                    --slave   /usr/bin/gcov gcov /usr/bin/gcov-6 \
                    --slave   /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-6 \
                    --slave   /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-6 \
                    --slave   /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-6 \
                    --slave   /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-6 \
                    --slave   /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-6

Change between them with update-alternatives --config gcc.

You don't really need to install or use any third party tools.

The drivers located in ...\Android\Sdk\extras\google\usb_driver work just fine.

Step 1: In Device Manager, Right click on the malfunctioning Android ADB Interface driver

Step 2: Select Update Driver Software

Step 3: Select Browse my computer for driver software

Step 4: Select Let me pick from a list of device drivers on my computer

Step 5: Select Have Disk

This window pops up:

Step 6: Copy the location of the Google USB Driver (...\Android\Sdk\extras\google\usb_driver) or browse to it.

Step 7: Click Ok

This window pops up:

Step 8: Select Android ADB Interface and click Next

The window below pops up with a warning:

That's it. You driver installation will start and in a few seconds, you should be able to see your device

This will work in all versions of jquery.

//-- Check if there's no checked radio button
if ($('#radio_button').is(':checked') === false ) {
  //-- if none, Do something here    
}

To activate some function when a certain radio button is checked.

// get it from your form or parent id
    if ($('#your_form').find('[name="radio_name"]').is(':checked') === false ) {
      $('#your_form').find('[name="radio_name"]').filter('[value=' + checked_value + ']').prop('checked', true);
    }

your html

$('document').ready(function() {
var checked_value = 'checked';
  if($("#your_form").find('[name="radio_name"]').is(":checked") === false) {
      $("#your_form")
        .find('[name="radio_name"]')
        .filter("[value=" + checked_value + "]")
        .prop("checked", true);
    }
  }
)

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form action="" id="your_form">
  <input id="user" name="radio_name" type="radio" value="checked">
        <label for="user">user</label>
  <input id="admin" name="radio_name" type="radio" value="not_this_one">
    <label for="admin">Admin</label>
</form>

I cringe every time I use create_function() in php.

Parameters are a coma separated string, the whole function body in a string... Argh... I think they could not have made it uglier even if they tried.

Unfortunately, it is the only choice when creating a named function is not worth the trouble.

I had the very same issue recently. This was my error:

System.InvalidOperationException : session not created: This version of ChromeDriver only supports Chrome version 76 (SessionNotCreated)

This fix worked for me:

• make sure there are no running chromedriver.exe processes (if needed kill them all e.g. via task manager)
• go to bin folder and delete chromedriver.exe file from there (in my case it was: [project_folder]\bin\Debug\netcoreapp2.1)

August 2019

In my case I wanted to use a Swift protocol in an Objective-C header file that comes from the same target and for this I needed to use a forward declaration of the Swift protocol to reference it in the Objective-C interface. The same should be valid for using a Swift class in an Objective-C header file. To use forward declaration see the following example from the docs at Include Swift Classes in Objective-C Headers Using Forward Declarations:

// MyObjcClass.h
@class MySwiftClass; // class forward declaration
@protocol MySwiftProtocol; // protocol forward declaration

@interface MyObjcClass : NSObject
- (MySwiftClass *)returnSwiftClassInstance;
- (id <MySwiftProtocol>)returnInstanceAdoptingSwiftProtocol;
// ...
@end

You can use a regular expression to test for a match and capture the first two digits:

import re

for i in range(1000):
    match = re.match(r'(1[56])', str(i))

    if match:
        print(i, 'begins with', match.group(1))

The regular expression (1[56]) matches a 1 followed by either a 5 or a 6 and stores the result in the first capturing group.

Output:

15 begins with 15
16 begins with 16
150 begins with 15
151 begins with 15
152 begins with 15
153 begins with 15
154 begins with 15
155 begins with 15
156 begins with 15
157 begins with 15
158 begins with 15
159 begins with 15
160 begins with 16
161 begins with 16
162 begins with 16
163 begins with 16
164 begins with 16
165 begins with 16
166 begins with 16
167 begins with 16
168 begins with 16
169 begins with 16

echo rawurlencode('http://www.google.com/index.html?id=asd asd');

yields

http%3A%2F%2Fwww.google.com%2Findex.html%3Fid%3Dasd%20asd

while

echo urlencode('http://www.google.com/index.html?id=asd asd');

yields

http%3A%2F%2Fwww.google.com%2Findex.html%3Fid%3Dasd+asd

The difference being the asd%20asd vs asd+asd

urlencode differs from RFC 1738 by encoding spaces as + instead of %20

while(inFile1.hasNext()){

    token1 = inFile1.nextLine();

    // put each value into an array with String#split();
    String[] numStrings = line.split(", ");

    // parse number string into doubles 
    double[] nums = new double[numString.length];

    for (int i = 0; i < nums.length; i++){
        nums[i] = Double.parseDouble(numStrings[i]);
    }

}

Here is a link to another similar SO question, which has an answer pointing to this good article on "Reading, writing and photo metadata" in .Net.

This don't work since Andoid SDK R12 update. I think is because SDK don't find the Java SDK Path. You can solve that by adding the Java SDK Path in your PATH environment variable.

def xstr(s):
    return s if s else ''

s = "%s%s" % (xstr(a), xstr(b))

If you accidentally write beyond the block allocated with alloca (due to a buffer overflow for example), then you will overwrite the return address of your function, because that one is located "above" on the stack, i.e. after your allocated block.

The consequence of this is two-fold:

1. The program will crash spectacularly and it will be impossible to tell why or where it crashed (stack will most likely unwind to a random address due to the overwritten frame pointer).

2. It makes buffer overflow many times more dangerous, since a malicious user can craft a special payload which would be put on the stack and can therefore end up executed.

In contrast, if you write beyond a block on the heap you "just" get heap corruption. The program will probably terminate unexpectedly but will unwind the stack properly, thereby reducing the chance of malicious code execution.

Please add the correct mime-types to your code - at least these ones:

.jpeg -> image/jpeg
.gif  -> image/gif
.png  -> image/png

A list of mime-types can be found here.

Furthermore, simplify the code's logic and report an error number to help the first level support track down problems:

$allowedExts = array(
  "pdf", 
  "doc", 
  "docx"
); 

$allowedMimeTypes = array( 
  'application/msword',
  'text/pdf',
  'image/gif',
  'image/jpeg',
  'image/png'
);

$extension = end(explode(".", $_FILES["file"]["name"]));

if ( 20000 < $_FILES["file"]["size"]  ) {
  die( 'Please provide a smaller file [E/1].' );
}

if ( ! ( in_array($extension, $allowedExts ) ) ) {
  die('Please provide another file type [E/2].');
}

if ( in_array( $_FILES["file"]["type"], $allowedMimeTypes ) ) 
{      
 move_uploaded_file($_FILES["file"]["tmp_name"], "upload/" . $_FILES["file"]["name"]); 
}
else
{
die('Please provide another file type [E/3].');
}

For Google travelers: this stupidly unhelpful error message is also presented when you make a type and double up the + regex operator:

Okay:

\w+

Not okay:

\w++

The code was most likely compiled with a later JDK (without using cross-compilation options) and is being run on an earlier JRE. While upgrading the JRE is one solution, it would be better to use the cross-compilation options to ensure the code will run on whatever JRE is intended as the minimum version for the app.

I suggest you to see "How do I run a bat file in the background from another bat file?"

Also, good answer (of using start command) was given in "Parallel execution of shell processes" question page here;

But my recommendation is to use PowerShell. I believe it will perfectly suit your needs.

Use the vectorised str method replace:

In [30]:

df['range'] = df['range'].str.replace(',','-')
df
Out[30]:
      range
0    (2-30)
1  (50-290)

EDIT

So if we look at what you tried and why it didn't work:

df['range'].replace(',','-',inplace=True)

from the docs we see this desc:

str or regex: str: string exactly matching to_replace will be replaced with value

So because the str values do not match, no replacement occurs, compare with the following:

In [43]:

df = pd.DataFrame({'range':['(2,30)',',']})
df['range'].replace(',','-', inplace=True)
df['range']
Out[43]:
0    (2,30)
1         -
Name: range, dtype: object

here we get an exact match on the second row and the replacement occurs.

how do something like:

<select ng-model="myModel($index+1)">

And in my inspector element be:

<select ng-model="myModel1">
...
<select ng-model="myModel2">

Even if there are tools that allow you to mock your database in one way or another (e.g. jOOQ's MockConnection, which can be seen in this answer - disclaimer, I work for jOOQ's vendor), I would advise not to mock larger databases with complex queries.

Even if you just want to integration-test your ORM, beware that an ORM issues a very complex series of queries to your database, that may vary in

• syntax
• complexity
• order (!)

Mocking all that to produce sensible dummy data is quite hard, unless you're actually building a little database inside your mock, which interprets the transmitted SQL statements. Having said so, use a well-known integration-test database that you can easily reset with well-known data, against which you can run your integration tests.

cls

$exactadminfile = "C:\temp\files\admin" #First folder to check the file

$userfile = "C:\temp\files\user" #Second folder to check the file

$filenames=Get-Content "C:\temp\files\files-to-watch.txt" #Reading the names of the files to test the existance in one of the above locations

foreach ($filename in $filenames) {
  if (!(Test-Path $exactadminfile\$filename) -and !(Test-Path $userfile\$filename)) { #if the file is not there in either of the folder
    Write-Warning "$filename absent from both locations"
  } else {
    Write-Host " $filename  File is there in one or both Locations" #if file exists there at both locations or at least in one location
  }
}

For obvious security reasons you can't set the value of a file input, even to an empty string.

All you have to do is reset the form where the field or if you only want to reset the file input of a form containing other fields, use this:

function reset_field (e) {
    e.wrap('<form>').parent('form').trigger('reset');
    e.unwrap();
}?

Here is an exemple: http://jsfiddle.net/v2SZJ/1/

I was doing this sort of thing for mission critical code. Like every fraction of a second counts because I need to process 180k entries in an unnoticeable amount of time. So I skipped the regex and split altogether and allowed for inline processing of each element (though adding them to an ArrayList<String> would be fine). If you want to do this exact thing but need it to be something like 20x faster...

void parseGroups(String text) {
    int last = 0;
    int state = 0;
    for (int i = 0, s = text.length(); i < s; i++) {
        switch (text.charAt(i)) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
                if (state == 2) {
                    processElement(text.substring(last, i));
                    last = i;
                }
                state = 1;
                break;
            default:
                if (state == 1) {
                    processElement(text.substring(last, i));
                    last = i;
                }
                state = 2;
                break;
        }
    }
    processElement(text.substring(last));
}

Just an another explanation. Consider this example below

public class Outer{
     public static void main(String[] args){
         Outer o = new Outer();
         o.m1();        
         o=null;
     }
     public void m1(){
         //int x = 10;
         class Inner{
             Thread t = new Thread(new Runnable(){
                 public void run(){
                     for(int i=0;i<10;i++){
                         try{
                             Thread.sleep(2000);                            
                         }catch(InterruptedException e){
                             //handle InterruptedException e
                         }
                         System.out.println("Thread t running");                             
                     }
                 }
             });
         }
         new Inner().t.start();
         System.out.println("m1 Completes");
    }
}

Here Output will be

m1 Completes

Thread t running

Thread t running

Thread t running

................

Now method m1() completes and we assign reference variable o to null , Now Outer Class Object is eligible for GC but Inner Class Object is still exist who has (Has-A) relationship with Thread object which is running. Without existing Outer class object there is no chance of existing m1() method and without existing m1() method there is no chance of existing its local variable but if Inner Class Object uses the local variable of m1() method then everything is self explanatory.

To solve this we have to create a copy of local variable and then have to copy then into the heap with Inner class object, what java does for only final variable because they are not actually variable they are like constants(Everything happens at compile time only not at runtime).

It sounds like you want a StackPanel where the final element uses up all the remaining space. But why not use a DockPanel? Decorate the other elements in the DockPanel with DockPanel.Dock="Top", and then your help control can fill the remaining space.

XAML:

<DockPanel Width="200" Height="200" Background="PowderBlue">
    <TextBlock DockPanel.Dock="Top">Something</TextBlock>
    <TextBlock DockPanel.Dock="Top">Something else</TextBlock>
    <DockPanel
        HorizontalAlignment="Stretch" 
        VerticalAlignment="Stretch" 
        Height="Auto" 
        Margin="10">

      <GroupBox 
        DockPanel.Dock="Right" 
        Header="Help" 
        Width="100" 
        Background="Beige" 
        VerticalAlignment="Stretch" 
        VerticalContentAlignment="Stretch" 
        Height="Auto">
        <TextBlock Text="This is the help that is available on the news screen." 
                   TextWrapping="Wrap" />
     </GroupBox>

      <StackPanel DockPanel.Dock="Left" Margin="10" 
           Width="Auto" HorizontalAlignment="Stretch">
          <TextBlock Text="Here is the news that should wrap around." 
                     TextWrapping="Wrap"/>
      </StackPanel>
    </DockPanel>
</DockPanel>

If you are on a platform without DockPanel available (e.g. WindowsStore), you can create the same effect with a grid. Here's the above example accomplished using grids instead:

<Grid Width="200" Height="200" Background="PowderBlue">
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="*"/>
    </Grid.RowDefinitions>
    <StackPanel Grid.Row="0">
        <TextBlock>Something</TextBlock>
        <TextBlock>Something else</TextBlock>
    </StackPanel>
    <Grid Height="Auto" Grid.Row="1" Margin="10">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="100"/>
        </Grid.ColumnDefinitions>
        <GroupBox
            Width="100"
            Height="Auto"
            Grid.Column="1"
            Background="Beige"
            Header="Help">
            <TextBlock Text="This is the help that is available on the news screen." 
              TextWrapping="Wrap"/>
        </GroupBox>
        <StackPanel Width="Auto" Margin="10" DockPanel.Dock="Left">
            <TextBlock Text="Here is the news that should wrap around." 
              TextWrapping="Wrap"/>
        </StackPanel>
    </Grid>
</Grid>

Programmatically (Swift 4 & 5)

self.passwordTextField.isSecureTextEntry = true

I would use VMs. Create an XP (or whatever) VM using VMware Workstation or similar product, and snapshot it. That is your oldest version. Then perform the upgrades one at a time, and snapshot each time. Then you can switch to any snapshot you need later, or clone independent VMs based on all the snapshots so you can run them all at once. You probably want to test on different operating systems as well as different versions, so VMs generalize that solution as well rather than some one-off solution of hacking multiple IEs to coexist on a single instance of Windows.

The simplest way to do this is use a table alias when you are referring parent query table inside the sub query.

Example :

insert into xxx_tab (trans_id) values ((select max(trans_id)+1 from xxx_tab));

Change it to:

insert into xxx_tab (trans_id) values ((select max(P.trans_id)+1 from xxx_tab P));

I remove/Rename .gradle folder in c:\users\Myuser\.gradle and restart Android Studio and worked for me

Java 8 introduces the Instant.ofEpochSecond utility method for creating an Instant from a Unix timestamp, this can then be converted into a ZonedDateTime and finally formatted, e.g.:

final DateTimeFormatter formatter = 
    DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

final long unixTime = 1372339860;
final String formattedDtm = Instant.ofEpochSecond(unixTime)
        .atZone(ZoneId.of("GMT-4"))
        .format(formatter);

System.out.println(formattedDtm);   // => '2013-06-27 09:31:00'

I thought this might be useful for people who are using Java 8.

In my case I was using different port. Default is 5432. I was using 5433. This worked for me:

$ psql -f update_table.sql -d db_name -U db_user_name -h 127.0.0.1 -p 5433

A simple solution:

List<Object> lst  =listOfTypeObject;   
ArrayList<String> aryLst = new ArrayList<String>();
    for (int i = 0; i < lst.size(); i++) {
        aryLst.add(lst.get(i).toString());
    }

Note: this works when the list contains all the elements of datatype String.

Use a HashSet along with your List:

List<string> myList = new List<string>();
HashSet<string> myHashSet = new HashSet<string>();

public void addToList(string s) {
    if (myHashSet.Add(s)) {
        myList.Add(s);
    }
}

myHashSet.Add(s) will return true if s is not exist in it.

Old question, but just for posterity.

I've found the easiest way to do it is to have the image as the background image of the navbar-brand. Just makes sure to put in a custom width.

.navbar-brand
{
    margin-left: auto;
    margin-right: auto;
    width: 150px;
    background-image: url('logo.png');
}

I know this is really a really old question, but I was trying to do the same thing and I stumbled upon a new formula in excel called "TEXTJOIN".

For the question, the following formula solves the problem

=TEXTJOIN("",TRUE,(a1:a4))

The signature of "TEXTJOIN" is explained as TEXTJOIN(delimiter,ignore_empty,text1,[text2],[text3],...)

I think this is similar to what the last podcast discussed. The "Be liberal in what you accept" means that extra work had to be put into the Javascript parser to fix cases where semicolons were left out. Now we have a boatload of pages out there floating around with bad syntax, that might break one day in the future when some browser decides to be a little more stringent on what it accepts. This type of rule should also apply to HTML and CSS. You can write broken HTML and CSS, but don't be surprise when you get weird and hard to debug behaviors when some browser doesn't properly interpret your incorrect code.

This can also come if the target folder is used by some other processes. Close all the programs which may use the target folder and try.

You may use resource monitor(windows tool) to check the processes which uses your target folder.

This worked for me!.

Use the static methods in the Math class for both - there are no operators for this in the language:

double root = Math.sqrt(value);
double absolute = Math.abs(value);

(Likewise there's no operator for raising a value to a particular power - use Math.pow for that.)

If you use these a lot, you might want to use static imports to make your code more readable:

import static java.lang.Math.sqrt;
import static java.lang.Math.abs;

...

double x = sqrt(abs(x) + abs(y));

instead of

double x = Math.sqrt(Math.abs(x) + Math.abs(y));

If you want to open Form2 modally (meaning you can't click on Form1 while Form2 is open), you can do this:

using (Form2 f2 = new Form2()) 
{
    f2.ShowDialog(this);
}

If you want to open Form2 non-modally (meaning you can still click on Form1 while Form2 is open), you can create a form-level reference to Form2 like this:

private Form2 _f2;

public void openForm2()
{
    _f2 = new Form2();
    _f2.Show(this); // the "this" is important, as this will keep Form2 open above 
                    // Form1.
}

public void closeForm2()
{
    _f2.Close();
    _f2.Dispose();
}

static object Lock = new object();

lock (Lock) 
{
// do stuff
}

The answers here work to open the page in the same browser window/tab.

However, I wanted the page to open in a new window/tab when they click a button. (tab/window decision depends on the user's browser setting)

So here is how it worked to open the page in new tab/window:

<button type="button" onclick="window.open('http://www.example.com/', '_blank');">View Example Page</button>

It doesn't have to be a button, you can use anywhere. Notice the _blank that is used to open in new tab/window.

I got rid of the same problem by doing following steps:

• Xcode->Product->Clean Build Folder (hold alt key on Product to see it)
• Open Xcode->Window->Organizer and select Projects tab. Then find your project and delete derived data of the project.

Specify the Class Card for the constructor-:

void Card::Card(Card::Rank rank, Card::Suit suit) {

And also define the default constructor and destructor.

As a rule of thumb, value for non-class types and const reference for classes. If a class is really small it's probably better to pass by value, but the difference is minimal. What you really want to avoid is passing some gigantic class by value and having it all duplicated - this will make a huge difference if you're passing, say, a std::vector with quite a few elements in it.

In case you need short unique IDs as your filename, try shortuuid, shortuuid uses lowercase and uppercase letters and digits, and removing similar-looking characters such as l, 1, I, O and 0.

>>> import shortuuid
>>> shortuuid.uuid()
'Tw8VgM47kSS5iX2m8NExNa'
>>> len(ui)
22

compared to

>>> import uuid
>>> unique_filename = str(uuid.uuid4())
>>> len(unique_filename)
36
>>> unique_filename
'2d303ad1-79a1-4c1a-81f3-beea761b5fdf'

I am wondering if anyone uses (2)?

Yes. But rarely for a sound reason (IMO).

And people get burned because they used ArrayList when they should have used List:

• Utility methods like Collections.singletonList(...) or Arrays.asList(...) don't return an ArrayList.

• Methods in the List API don't guarantee to return a list of the same type.

For example of someone getting burned, in https://stackoverflow.com/a/1481123/139985 the poster had problems with "slicing" because ArrayList.sublist(...) doesn't return an ArrayList ... and he had designed his code to use ArrayList as the type of all of his list variables. He ended up "solving" the problem by copying the sublist into a new ArrayList.

The argument that you need to know how the List behaves is largely addressed by using the RandomAccess marker interface. Yes, it is a bit clunky, but the alternative is worse.

Also, how often does the situation actually require using (1) over (2) (i.e. where (2) wouldn't suffice..aside 'coding to interfaces' and best practices etc.)

The "how often" part of the question is objectively unanswerable.

(and can I please get an example)

Occasionally, the application may require that you use methods in the ArrayList API that are not in the List API. For example, ensureCapacity(int), trimToSize() or removeRange(int, int). (And the last one will only arise if you have created a subtype of ArrayList that declares the method to be public.)

That is the only sound reason for coding to the class rather than the interface, IMO.

(It is theoretically possible that you will get a slight improvement in performance ... under certain circumstances ... on some platforms ... but unless you really need that last 0.05%, it is not worth doing this. This is not a sound reason, IMO.)

You can’t write efficient code if you don’t know whether random access is efficient or not.

That is a valid point. However, Java provides better ways to deal with that; e.g.

public <T extends List & RandomAccess> void test(T list) {
    // do stuff
}

If you call that with a list that does not implement RandomAccess you will get a compilation error.

You could also test dynamically ... using instanceof ... if static typing is too awkward. And you could even write your code to use different algorithms (dynamically) depending on whether or not a list supported random access.

Note that ArrayList is not the only list class that implements RandomAccess. Others include CopyOnWriteList, Stack and Vector.

I've seen people make the same argument about Serializable (because List doesn't implement it) ... but the approach above solves this problem too. (To the extent that it is solvable at all using runtime types. An ArrayList will fail serialization if any element is not serializable.)

This function worked for us well:

let isPhoneNumber = input => {

  try {
    let ISD_CODES = [93, 355, 213, 1684, 376, 244, 1264, 672, 1268, 54, 374, 297, 61, 43, 994, 1242, 973, 880, 1246, 375, 32, 501, 229, 1441, 975, 591, 387, 267, 55, 246, 1284, 673, 359, 226, 257, 855, 237, 1, 238, 1345, 236, 235, 56, 86, 61, 61, 57, 269, 682, 506, 385, 53, 599, 357, 420, 243, 45, 253, 1767, 1809, 1829, 1849, 670, 593, 20, 503, 240, 291, 372, 251, 500, 298, 679, 358, 33, 689, 241, 220, 995, 49, 233, 350, 30, 299, 1473, 1671, 502, 441481, 224, 245, 592, 509, 504, 852, 36, 354, 91, 62, 98, 964, 353, 441624, 972, 39, 225, 1876, 81, 441534, 962, 7, 254, 686, 383, 965, 996, 856, 371, 961, 266, 231, 218, 423, 370, 352, 853, 389, 261, 265, 60, 960, 223, 356, 692, 222, 230, 262, 52, 691, 373, 377, 976, 382, 1664, 212, 258, 95, 264, 674, 977, 31, 599, 687, 64, 505, 227, 234, 683, 850, 1670, 47, 968, 92, 680, 970, 507, 675, 595, 51, 63, 64, 48, 351, 1787, 1939, 974, 242, 262, 40, 7, 250, 590, 290, 1869, 1758, 590, 508, 1784, 685, 378, 239, 966, 221, 381, 248, 232, 65, 1721, 421, 386, 677, 252, 27, 82, 211, 34, 94, 249, 597, 47, 268, 46, 41, 963, 886, 992, 255, 66, 228, 690, 676, 1868, 216, 90, 993, 1649, 688, 1340, 256, 380, 971, 44, 1, 598, 998, 678, 379, 58, 84, 681, 212, 967, 260, 263],
      //extract numbers from string
      thenum = input.match(/[0-9]+/g).join(""),
      totalnums = thenum.length,
      last10Digits = parseInt(thenum) % 10000000000,
      ISDcode = thenum.substring(0, totalnums - 10);

    //phone numbers are generally of 8 to 16 digits
    if (totalnums >= 8 && totalnums <= 16) {
      if (ISDcode) {
        if (ISD_CODES.includes(parseInt(ISDcode))) {
          return true;
        } else {
          return false;
        }
      } else {
        return true;
      }
    }
  } catch (e) {}

  return false;
}

console.log(isPhoneNumber('91-9883208806'));

Make a virtual enviroment using python3

virtualenv env_name --python="python3"

and run the following command

pip3 install opencv-python

You are using setTimeout wrong way. The (one of) function signature is setTimeout(callback, delay). So you can easily specify what code should be run after what delay.

var codeAddress = (function() {
    var index = 0;
    var delay = 100;

    function GeocodeCallback(results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            map.setCenter(results[0].geometry.location);
            new google.maps.Marker({ map: map, position: results[0].geometry.location, animation: google.maps.Animation.DROP });
            console.log(results);
        }
        else alert("Geocode was not successful for the following reason: " + status);
    };

    return function(vPostCode) {
        if (geocoder) setTimeout(geocoder.geocode.bind(geocoder, { 'address': "'" + vPostCode + "'"}, GeocodeCallback), index*delay);
        index++;
    };
})();

This way, every codeAddress() call will result in geocoder.geocode() being called 100ms later after previous call.

I also added animation to marker so you will have a nice animation effect with markers being added to map one after another. I'm not sure what is the current google limit, so you may need to increase the value of delay variable.

Also, if you are each time geocoding the same addresses, you should instead save the results of geocode to your db and next time just use those (so you will save some traffic and your application will be a little bit quicker)

I use moment.js http://momentjs.com/

var start = moment(StartTimeString).toDate().getTime();
var end = moment(EndTimeString).toDate().getTime();
var timespan = end - start;
var duration = moment(timespan);
var output = duration.format("YYYY-MM-DDTHH:mm:ss");

XCODE 10.1 / SWIFT 4.2 :

1. Add required permissions (others mentioned)

2. Add this class to your view:

    import UIKit

    import Photos

    import Foundation

class UploadImageViewController: UIViewController, UIImagePickerControllerDelegate , UINavigationControllerDelegate {

        @IBOutlet weak var imgView: UIImageView!

        let imagePicker = UIImagePickerController()

        override func viewDidLoad() {

            super.viewDidLoad()

            checkPermission()

            imagePicker.delegate = self
            imagePicker.allowsEditing = false
            imagePicker.sourceType = .photoLibrary
        }

        @IBAction func btnSetProfileImageClickedCamera(_ sender: UIButton) {
        }

        @IBAction func btnSetProfileImageClickedFromGallery(_ sender: UIButton) {
            self.selectPhotoFromGallery()
        }

        func selectPhotoFromGallery() {
            self.present(imagePicker, animated: true, completion: nil)
        }

        func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {

            if let pickedImage = info[UIImagePickerController.InfoKey.originalImage] as? UIImage {
                    self.imgView.contentMode = .scaleAspectFit
                    self.imgView.image = pickedImage
                }

            dismiss(animated: true, completion: nil)
        }


        func imagePickerControllerDidCancel(_ picker: UIImagePickerController){
            print("cancel is clicked")
        }


        func checkPermission() {
            let photoAuthorizationStatus = PHPhotoLibrary.authorizationStatus()
            switch photoAuthorizationStatus {
            case .authorized:
                print("Access is granted by user")
            case .notDetermined:
                PHPhotoLibrary.requestAuthorization({
                    (newStatus) in
                    print("status is \(newStatus)")
                    if newStatus ==  PHAuthorizationStatus.authorized {
                        /* do stuff here */
                        print("success")
                    }
                })
                print("It is not determined until now")
            case .restricted:
                // same same
                print("User do not have access to photo album.")
            case .denied:
                // same same
                print("User has denied the permission.")
            }
        }
    }

While binding a databound control, you can evaluate a field of the row in your data source with eval() function.

For example you can add a column to your gridview like that :

<asp:BoundField DataField="YourFieldName" />

And alternatively, this is the way with eval :

<asp:TemplateField>
<ItemTemplate>
        <asp:Label ID="lbl" runat="server" Text='<%# Eval("YourFieldName") %>'>
        </asp:Label>
</ItemTemplate>
</asp:TemplateField>

It seems a little bit complex, but it's flexible, because you can set any property of the control with the eval() function :

<asp:TemplateField>
    <ItemTemplate>
        <asp:HyperLink ID="HyperLink1" runat="server" 
          NavigateUrl='<%# "ShowDetails.aspx?id="+Eval("Id") %>' 
          Text='<%# Eval("Text", "{0}") %>'></asp:HyperLink>
    </ItemTemplate>
</asp:TemplateField>

You're missing the actual pipe.

{{ myData | date:'fullDate' }}

Multiple parameters can be separated by a colon (:).

{{ myData | myPipe:'arg1':'arg2':'arg3' }}

Also you can chain pipes, like so:

{{ myData | date:'fullDate' | myPipe:'arg1':'arg2':'arg3' }}

What role do they play when exiting an application in C#?

The same as every other application. Basically they get returned to the caller. Irrelvant if ythe start was an iicon double click. Relevant is the call is a batch file that decides whether the app worked on the return code. SO, unless you write a program that needs this, the return dcode IS irrelevant.

But what is the difference?

One comes from environment one from the System.Windows.Forms?.Application. Functionall there should not bbe a lot of difference.

You can do it with only one call to sed:

$ echo "\"html\\test\\\"" | sed 's/^"\(.*\)"$/\1/'
html\test\

ALTER TABLE `table_name` ADD PRIMARY KEY( `column_name`);

I think an example of the case that has caught me by surprise is relevant:

var myObject = { name: "Cody", status: "Surprised" };
for (var propertyName in myObject) {
  document.writeln( propertyName + " : " + myObject[propertyName] );
}

But to my surprise, the output is

name : Cody
status : Surprised
forEach : function (obj, callback) {
    for (prop in obj) {
        if (obj.hasOwnProperty(prop) && typeof obj[prop] !== "function") {
            callback(prop);
        }
    }
}

Why? Another script on the page has extended the Object prototype:

Object.prototype.forEach = function (obj, callback) {
  for ( prop in obj ) {
    if ( obj.hasOwnProperty( prop ) && typeof obj[prop] !== "function" ) {
      callback( prop );
    }
  }
};

I think there is a problem when the 'div' tags are too much nested. I am trying to parse some contacts from a facebook html file, and the Beautifulsoup is not able to find tags "div" with class "fcontent".

This happens with other classes as well. When I search for divs in general, it turns only those that are not so much nested.

The html source code can be any page from facebook of the friends list of a friend of you (not the one of your friends). If someone can test it and give some advice I would really appreciate it.

This is my code, where I just try to print the number of tags "div" with class "fcontent":

from BeautifulSoup import BeautifulSoup 
f = open('/Users/myUserName/Desktop/contacts.html')
soup = BeautifulSoup(f) 
list = soup.findAll('div', attrs={'class':'fcontent'})
print len(list)

See the Android Color resource documentation for reference.

Basically you have the option to set the transparency (opacity) and the color either directly in the layout or using resources references.

The hex value that you set it to is composed of 3 to 4 parts:

• Alpha (opacity), i'll refer to that as aa

• Red, i'll refer to it as rr

• Green, i'll refer to it as gg

• Blue, i'll refer to it as bb

Without an alpha (transparency) value:

android:background="#rrggbb"

or as resource:

<color name="my_color">#rrggbb</color>

With an alpha (transparency) value:

android:background="#aarrggbb"

or as resource:

<color name="my_color">#aarrggbb</color>

The alpha value for full transparency is 00 and the alpha value for no transparency is FF.

See full range of hex values below:

100% — FF
 95% — F2
 90% — E6
 85% — D9
 80% — CC
 75% — BF
 70% — B3
 65% — A6
 60% — 99
 55% — 8C
 50% — 80
 45% — 73
 40% — 66
 35% — 59
 30% — 4D
 25% — 40
 20% — 33
 15% — 26
 10% — 1A
  5% — 0D
  0% — 00

You can experiment with values in between those.

I don't know if you can do this with find, but an alternate solution would be to create a shell script and to run this with find.

lastline.sh:

echo $(tail -1 $1),$1

Make the script executable

chmod +x lastline.sh

Use find:

find . -name "*.txt" -exec ./lastline.sh {} \;

RadioGroup radioGroup = new RadioGroup(context);
RadioButton radioBtn1 = new RadioButton(context);
RadioButton radioBtn2 = new RadioButton(context);
RadioButton radioBtn3 = new RadioButton(context);

radioBtn1.setText("Less");
radioBtn2.setText("Normal");
radioBtn3.setText("More");

radioGroup.addView(radioBtn1);
radioGroup.addView(radioBtn2);
radioGroup.addView(radioBtn3);
radioBtn2.setChecked(true);

The simplest solution to run your script under virtualenv's interpreter is to replace the default shebang line with path to your virtualenv's interpreter like so at the beginning of the script:

#!/path/to/project/venv/bin/python

Make the script executable:

chmod u+x script.py

Run the script:

./script.py

Voila!

I had the same issue, fixed it. Create the missing folder directly in your file system (Using windows explorer for example) . And then, refresh your project under eclipse.

If the 'NOT' is put before the start_date it should work. For some reason (I don't know why) when 'NOT' is put before 'BETWEEN' it seems to return everything.

NOT (start_date BETWEEN CAST('2009-12-15' AS DATE) AND CAST('2010-01-02' AS DATE))

There is existing npm package: url-regex, just install it with yarn add url-regex or npm install url-regex and use as following:

const urlRegex = require('url-regex');

const replaced = 'Find me at http://www.example.com and also at http://stackoverflow.com or at google.com'
  .replace(urlRegex({strict: false}), function(url) {
     return '<a href="' + url + '">' + url + '</a>';
  });

How about:

echo "hello" >> <filename>

Using the >> operator will append data at the end of the file, while using the > will overwrite the contents of the file if already existing.

You could also use printf in the same way:

printf "hello" >> <filename>

Note that it can be dangerous to use the above. For instance if you already have a file and you need to append data to the end of the file and you forget to add the last > all data in the file will be destroyed. You can change this behavior by setting the noclobber variable in your .bashrc:

set -o noclobber

Now when you try to do echo "hello" > file.txt you will get a warning saying cannot overwrite existing file.

To force writing to the file you must now use the special syntax:

echo "hello" >| <filename>

You should also know that by default echo adds a trailing new-line character which can be suppressed by using the -n flag:

echo -n "hello" >> <filename>

References

• echo(1) - Linux man page
• noclobber variable
• I/O Redirection

Using the FM format model modifier to get close, as you won't get the trailing zeros after the decimal separator; but you will still get the separator itself, e.g. 50.. You can use rtrim to get rid of that:

select to_char(a, '99D90'),
    to_char(a, '90D90'),
    to_char(a, 'FM90D99'),
    rtrim(to_char(a, 'FM90D99'), to_char(0, 'D'))
from (
    select 50 a from dual
    union all select 50.57 from dual
    union all select 5.57 from dual
    union all select 0.35 from dual
    union all select 0.4 from dual
)
order by a;

TO_CHA TO_CHA TO_CHA RTRIM(
------ ------ ------ ------
   .35   0.35 0.35   0.35
   .40   0.40 0.4    0.4
  5.57   5.57 5.57   5.57
 50.00  50.00 50.    50
 50.57  50.57 50.57  50.57

Note that I'm using to_char(0, 'D') to generate the character to trim, to match the decimal separator - so it looks for the same character, , or ., as the first to_char adds.

The slight downside is that you lose the alignment. If this is being used elsewhere it might not matter, but it does then you can also wrap it in an lpad, which starts to make it look a bit complicated:

...
lpad(rtrim(to_char(a, 'FM90D99'), to_char(0, 'D')), 6)
...

TO_CHA TO_CHA TO_CHA RTRIM( LPAD(RTRIM(TO_CHAR(A,'FM
------ ------ ------ ------ ------------------------
   .35   0.35 0.35   0.35     0.35
   .40   0.40 0.4    0.4       0.4
  5.57   5.57 5.57   5.57     5.57
 50.00  50.00 50.    50         50
 50.57  50.57 50.57  50.57   50.57

An application pool is a group of one or more URLs that are served by a worker process or set of worker processes. Application pools are used to separate sets of IIS worker processes that share the same configuration and application boundaries.

SELECT * FROM a WHERE a.group_id IN 
(SELECT group_id FROM b WHERE b.user_id!=$_SESSION{'[user_id']} AND b.group_id = a.group_id)
WHERE a.keyword LIKE '%".$keyword."%';

I ran across this question, and the one line of code I needed was hiding in big blocks of code.

Short answer: this.files[0].size

By the way, no JQuery needed.

font-weight: bold;

As other answers have noted, you cannot change an existing tuple, but you can always create a new tuple (which may take some or all items from existing tuples and/or other sources).

For example, if all the items of interest are in scalar variables and you know the names of those variables:

def maketuple(variables, names):
  return tuple(variables[n] for n in names)

to be used, e.g, as in this example:

def example():
  x = 23
  y = 45
  z = 67
  return maketuple(vars(), 'x y z'.split())

of course this one case would be more simply expressed as (x, y, z) (or even foregoing the names altogether, (23, 45, 67)), but the maketuple approach might be useful in some more complicated cases (e.g. where the names to use are also determined dynamically and appended to a list during the computation).

function AllowOnlyNumbers(e) {_x000D_
_x000D_
e = (e) ? e : window.event;_x000D_
var clipboardData = e.clipboardData ? e.clipboardData : window.clipboardData;_x000D_
var key = e.keyCode ? e.keyCode : e.which ? e.which : e.charCode;_x000D_
var str = (e.type && e.type == "paste") ? clipboardData.getData('Text') : String.fromCharCode(key);_x000D_
_x000D_
return (/^\d+$/.test(str));_x000D_
}

<h1>Integer Textbox</h1>_x000D_
    <input type="text" autocomplete="off" id="txtIdNum" onkeypress="return AllowOnlyNumbers(event);" />

JSFiddle: https://jsfiddle.net/ug8pvysc/

You can have a mix of PHP and HTML in your PHP files... just do something like this...

<?php
$string = htmlentities("Résumé");
?>

<html>
<head></head>
<body>
<p><?= $string ?></p>
</body>
</html>

That should output Résumé just how you want it to.

If you don't have short tags enabled, replace the <?= $string ?> with <?php echo $string; ?>

Sounds like you need to use position:fixed and then set the the top position to a percentage and the and either the left or the right position to a fixed unit.

I got this on Firefox (FF58). I fixed this with:

1. It is still experimental on Firefox (from v54): You have to set to true the variable dom.moduleScripts.enabled in about:config

Source: Import page on mozilla (See Browser compatibility)

2. Add type="module" to your script tag where you import the js file

<script type="module" src="appthatimports.js"></script>

3. Import files have to be prefixed (./, /, ../ or http:// before)

import * from "./mylib.js"

For more examples, this blog post is good.

after 4 hours I found the solution. To center modal in different resolutions (desktop, tablets, smartphones):

index.php

<! - Bootstrap core CSS ->
     <link href=".../css/bootstrap-modal-bs3patch.css" rel="stylesheet">
     <link href=".../css/bootstrap-modal.css" rel="stylesheet">

The file bootstrap-modal-bs3patch.css I downloaded it from https://github.com/jschr/bootstrap-modal

I then modified this file. Css as follows:

body.modal-open,
. modal-open. navbar-fixed-top,
. modal-open. navbar-fixed-bottom {
   margin-right: 0;
}


. {modal
   padding: 0;
}

. modal.container {
   max-width: none;
}

@ media (min-width: 768px) and (max-width: 992px) {

. {modal-dialog
background-color: black;
position: fixed;
top: 20%! important;
left: 15%! important;
}
}

@ media (min-width: 992px) and (max-width: 1300px) {

. {modal-dialog
background-color: red;
position: fixed;
top: 20%! important;
left: 20%! important;
}
}

@ media (min-width: 1300px) {

. {modal-dialog
background-color: # 6e7ec3;
position: fixed;
top: 40%! important;
left: 35%! important;
}
}

I did tests on different resolutions and it works!

I found this problem too. Because centos service depend on multi-user.target for none desktop Cenots 7.2. so I delete multi-user.target from my .service file. It had missed.

$("#select_id").find("option:selected").text();

It is helpful if your control is on Server side. In .NET it looks like:

$('#<%= dropdownID.ClientID %>').find("option:selected").text();

You can also try to:

telnet example.com 22

to see if you have connectivity to the server. I saw this message and it ended up being the VPN I was on was blocking access. Disconnected from the VPN and I was good to go.

#include<stdio.h>
#include <sys/types.h>
#include <unistd.h>

int main()
{
    // Create a child process     
    int pid = fork();

    if (pid > 0)
    {

            int j=getpid();

            printf("in parent process %d\n",j);
    }
    // Note that pid is 0 in child process
    // and negative if fork() fails
    else if (pid == 0)
    {





            int i=getppid();
            printf("Before sleep %d\n",i);

            sleep(5);
            int k=getppid();

            printf("in child process %d\n",k);
    }

    return 0;

}

Type Assertion

This is known as type assertion in golang, and it is a common practice.

Here is the explanation from a tour of go:

A type assertion provides access to an interface value's underlying concrete value.

t := i.(T)

This statement asserts that the interface value i holds the concrete type T and assigns the underlying T value to the variable t.

If i does not hold a T, the statement will trigger a panic.

To test whether an interface value holds a specific type, a type assertion can return two values: the underlying value and a boolean value that reports whether the assertion succeeded.

t, ok := i.(T)

If i holds a T, then t will be the underlying value and ok will be true.

If not, ok will be false and t will be the zero value of type T, and no panic occurs.

NOTE: value i should be interface type.

Pitfalls

Even if i is an interface type, []i is not interface type. As a result, in order to convert []i to its value type, we have to do it individually:

// var items []i
for _, item := range items {
    value, ok := item.(T)
    dosomethingWith(value)
}

Performance

As for performance, it can be slower than direct access to the actual value as show in this stackoverflow answer.

By using docker-compose:

Assuming that you have following directory layout:

$MYAPP_ROOT/docker-compose.yml
           /Docker/init.sql
           /Docker/db.Dockerfile

File: docker-compose.yml

version: "3.3"
services:
  db:
    build:
      context: ./Docker
      dockerfile: db.Dockerfile
    volumes:
      - ./var/pgdata:/var/lib/postgresql/data
    ports:
      - "5432:5432"

File: Docker/init.sql

CREATE USER myUser;

CREATE DATABASE myApp_dev;
GRANT ALL PRIVILEGES ON DATABASE myApp_dev TO myUser;

CREATE DATABASE myApp_test;
GRANT ALL PRIVILEGES ON DATABASE myApp_test TO myUser;

File: Docker/db.Dockerfile

FROM postgres:11.5-alpine
COPY init.sql /docker-entrypoint-initdb.d/

Composing and starting services:

docker-compose -f docker-compose.yml up --no-start
docker-compose -f docker-compose.yml start

$_ (dollar underscore): the last word from the previous command. Similar to !$ except it doesn't put its substitution in your history like !$ does.

Replace double quotes with single ones:

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

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

Yes:

<input required title="Enter something OR ELSE." /> 

The title attribute will be used to notify the user of a problem.

There is no cross-browser way of styling option elements, certainly not to the extent of your second screenshot. You might be able to make them bold, and set the font-size, but that will be about it...

UPDATE MyTable
   SET MyText = SUBSTRING(MyText, 1, CHARINDEX(';', MyText) - 1)
 WHERE CHARINDEX(';', MyText) > 0 

First, to address your first inquiry:

When you see this in .h file:

#ifndef FILE_H
#define FILE_H

/* ... Declarations etc here ... */

#endif

This is a preprocessor technique of preventing a header file from being included multiple times, which can be problematic for various reasons. During compilation of your project, each .cpp file (usually) is compiled. In simple terms, this means the compiler will take your .cpp file, open any files #included by it, concatenate them all into one massive text file, and then perform syntax analysis and finally it will convert it to some intermediate code, optimize/perform other tasks, and finally generate the assembly output for the target architecture. Because of this, if a file is #included multiple times under one .cpp file, the compiler will append its file contents twice, so if there are definitions within that file, you will get a compiler error telling you that you redefined a variable. When the file is processed by the preprocessor step in the compilation process, the first time its contents are reached the first two lines will check if FILE_H has been defined for the preprocessor. If not, it will define FILE_H and continue processing the code between it and the #endif directive. The next time that file's contents are seen by the preprocessor, the check against FILE_H will be false, so it will immediately scan down to the #endif and continue after it. This prevents redefinition errors.

And to address your second concern:

In C++ programming as a general practice we separate development into two file types. One is with an extension of .h and we call this a "header file." They usually provide a declaration of functions, classes, structs, global variables, typedefs, preprocessing macros and definitions, etc. Basically, they just provide you with information about your code. Then we have the .cpp extension which we call a "code file." This will provide definitions for those functions, class members, any struct members that need definitions, global variables, etc. So the .h file declares code, and the .cpp file implements that declaration. For this reason, we generally during compilation compile each .cpp file into an object and then link those objects (because you almost never see one .cpp file include another .cpp file).

How these externals are resolved is a job for the linker. When your compiler processes main.cpp, it gets declarations for the code in class.cpp by including class.h. It only needs to know what these functions or variables look like (which is what a declaration gives you). So it compiles your main.cpp file into some object file (call it main.obj). Similarly, class.cpp is compiled into a class.obj file. To produce the final executable, a linker is invoked to link those two object files together. For any unresolved external variables or functions, the compiler will place a stub where the access happens. The linker will then take this stub and look for the code or variable in another listed object file, and if it's found, it combines the code from the two object files into an output file and replaces the stub with the final location of the function or variable. This way, your code in main.cpp can call functions and use variables in class.cpp IF AND ONLY IF THEY ARE DECLARED IN class.h.

I hope this was helpful.

You can use SimpleDateFormat to do it. You just have to know 2 things.

1. All dates are internally represented in UTC
2. .getTime() returns the number of milliseconds since 1970-01-01 00:00:00 UTC.

package se.wederbrand.milliseconds;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public class Main {        
    public static void main(String[] args) throws Exception {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
        sdf.setTimeZone(TimeZone.getTimeZone("UTC"));

        String inputString = "00:01:30.500";

        Date date = sdf.parse("1970-01-01 " + inputString);
        System.out.println("in milliseconds: " + date.getTime());        
    }
}

The mysql_ functions:

1. are out of date - they're not maintained any more
2. don't allow you to move easily to another database backend
3. don't support prepared statements, hence
4. encourage programmers to use concatenation to build queries, leading to SQL injection vulnerabilities

The easiest thing to do is to move the file from your local directory temporarily, then commit changes to your remote repo. Then add it back to your local repo, make sure to update .gitignore so it doesn't commit to remote again

When I try:

<input type="button" id="moreFields" onclick="alert('The text will be show!!'); return false;" value="Give me more fields!"  />

It's worked well. So I think the problem is position of moreFields() function. Ensure that function will be define before your input tag.

Pls try:

<script type="text/javascript">
    function moreFields() {
        alert("The text will be show");
    }
</script>

<input type="button" id="moreFields" onclick="moreFields()" value="Give me more fields!"  />

Hope it helped.

A BLOB is a binary string to hold a variable amount of data. For the most part BLOB's are used to hold the actual image binary instead of the path and file info. Text is for large amounts of string characters. Normally a blog or news article would constitute to a TEXT field

L in this case is used stating the storage requirement. (Length|Size + 3) as long as it is less than 224.

Reference: http://dev.mysql.com/doc/refman/5.0/en/blob.html

The delete operator is used to remove properties from objects.

const obj = { foo: "bar" }
delete obj.foo
obj.hasOwnProperty("foo") // false

Note that, for arrays, this is not the same as removing an element. To remove an element from an array, use Array#splice or Array#pop. For example:

arr // [0, 1, 2, 3, 4]
arr.splice(3,1); // 3
arr // [0, 1, 2, 4]

Details

delete in JavaScript has a different function to that of the keyword in C and C++: it does not directly free memory. Instead, its sole purpose is to remove properties from objects.

For arrays, deleting a property corresponding to an index, creates a sparse array (ie. an array with a "hole" in it). Most browsers represent these missing array indices as "empty".

var array = [0, 1, 2, 3]
delete array[2] // [0, 1, empty, 3]

Note that delete does not relocate array[3] into array[2].

Different built-in functions in JavaScript handle sparse arrays differently.

• for...in will skip the empty index completely.

• A traditional for loop will return undefined for the value at the index.

• Any method using Symbol.iterator will return undefined for the value at the index.

• forEach, map and reduce will simply skip the missing index.

So, the delete operator should not be used for the common use-case of removing elements from an array. Arrays have a dedicated methods for removing elements and reallocating memory: Array#splice() and Array#pop.

Array#splice(start[, deleteCount[, item1[, item2[, ...]]]])

Array#splice mutates the array, and returns any removed indices. deleteCount elements are removed from index start, and item1, item2... itemN are inserted into the array from index start. If deleteCount is omitted then elements from startIndex are removed to the end of the array.

let a = [0,1,2,3,4]
a.splice(2,2) // returns the removed elements [2,3]
// ...and `a` is now [0,1,4]

There is also a similarly named, but different, function on Array.prototype: Array#slice.

Array#slice([begin[, end]])

Array#slice is non-destructive, and returns a new array containing the indicated indices from start to end. If end is left unspecified, it defaults to the end of the array. If end is positive, it specifies the zero-based non-inclusive index to stop at. If end is negative it, it specifies the index to stop at by counting back from the end of the array (eg. -1 will omit the final index). If end <= start, the result is an empty array.

let a = [0,1,2,3,4]
let slices = [
    a.slice(0,2),
    a.slice(2,2),
    a.slice(2,3),
    a.slice(2,5) ]

//   a           [0,1,2,3,4]
//   slices[0]   [0 1]- - -   
//   slices[1]    - - - - -
//   slices[2]    - -[3]- -
//   slices[3]    - -[2 4 5]

Array#pop

Array#pop removes the last element from an array, and returns that element. This operation changes the length of the array.

You need run the cmd.exe in c:\windows\system32\ by administrator

Commands: For unregistration *.dll files

regsvr32.exe /u C:\folder\folder\name.dll

For registration *.dll files

regsvr32.exe C:\folder\folder\name.dll

My sugession is Foxit PDF Reader which is very helpful to do important text editing work on pdf file.

For replace you can use vbCrLf:

Replace(string, vbCrLf, "")

You can also use chr(13)+chr(10).

I seem to remember in some odd cases that chr(10) comes before chr(13).

void inPlaceStrTrim(char* str) {
    int k = 0;
    int i = 0;
    for (i=0; str[i] != '\0';) {
        if (isspace(str[i])) {
            // we have got a space...
            k = i;
            for (int j=i; j<strlen(str)-1; j++) {
                str[j] = str[j+1];
            }
            str[strlen(str)-1] = '\0';
            i = k; // start the loop again where we ended..
        } else {
            i++;
        }
    }
}

Just a trick to remove duplicates.

public class RemoveDuplicates {
    public static void main(String[] args) {
        int[] arr = {2,2,2,2,2,5,9, 4,5,6,1,6,6,2,4,7};
        arr = removeDuplicates(arr);    
        print(arr);
    }

    public static int[] removeDuplicates(int [] arr) {
        final int garbage = -2147483648;
        int duplicates = 0;

        for(int i=0; i<arr.length; i++) {
            for(int j=i+1; j<arr.length; j++) {
                if (arr[i] == arr[j]) {
                    arr[i] = garbage;
                    duplicates++;
                }
            }
        }

        int[] nArr = new int[arr.length - duplicates];
        int nItr = 0;
        for(int i=0; i<arr.length; i++) {
            if (arr[i] != garbage) {
                nArr[nItr] = arr[i];
                nItr++;
            } 
        }
        return nArr;
    }

    public static void print(int [] arr) {
        for (int n : arr) {
            System.out.print(n + "\t");
        }
    }

}

Apache

1. Run cmd as administrator
2. Go to the Apache bin directory, for example, C:\xampp\apache\bin
3. Run: httpd.exe -k install more information
4. Restart the computer, or run the service manually (from services.msc)

MySQL

1. Run cmd as administrator
2. Go to the MySQL bin directory, for example, C:\xampp\mysql\bin
3. Run: mysqld.exe --install more information
4. Restart the computer, or run the service manually (from services.msc)

tl;dr

Instant.now()                           // Capture the current moment in UTC.
.atZone( ZoneId.systemDefault() )       // Adjust into the JVM's current default time zone. Same moment, different wall-clock time. Produces a `ZonedDateTime` object.
.toInstant()                            // Extract a `Instant` (always in UTC) object from the `ZonedDateTime` object.
.atZone( ZoneId.of( "Europe/Paris" ) )  // Adjust the `Instant` into a specific time zone. Renders a `ZonedDateTime` object. Same moment, different wall-clock time.
.toInstant()                            // And back to UTC again.

java.time

The modern approach uses the java.time classes that supplanted the troublesome old legacy date-time classes (Date, Calendar, etc.).

Your use of the word "local" contradicts the usage in the java.time class. In java.time, "local" means any locality or all localities, but not any one particular locality. The java.time classes with names starting with "Local…" all lack any concept of time zone or offset-from-UTC. So they do not represent a specific moment, they are not a point on the timeline, whereas your Question is all about moments, points on the timeline viewed through various wall-clock times.

Get the current system time (local time)

If you want to capture the current moment in UTC, use Instant. The Instant class represents a moment on the timeline in UTC with a resolution of nanoseconds (up to nine (9) digits of a decimal fraction).

Instant instant = Instant.now() ;  // Capture the current moment in UTC.

Adjust into a time zone by applying a ZoneId to get a ZonedDateTime. Same moment, same point on the timeline, different wall-clock time.

Specify a proper time zone name in the format of continent/region, such as America/Montreal, Africa/Casablanca, or Pacific/Auckland. Never use the 3-4 letter abbreviation such as EST or IST as they are not true time zones, not standardized, and not even unique(!).

ZoneId z = ZoneId.of( "America/Montreal" ) ;
ZonedDateTime zdt = instant.atZone( z ) ;  // Same moment, different wall-clock time.

As a shortcut, you can skip the usage of Instant to get a ZonedDateTime.

ZoneId z = ZoneId.of( "America/Montreal" ) ;
ZonedDateTime zdt = ZonedDateTime.now( z ) ;

Convert Local time to UTC // Works Fine Till here

You can adjust from the zoned date-time to UTC by extracting an Instant from a ZonedDateTime.

ZoneId z = ZoneId.of( "America/Montreal" ) ;
ZonedDateTime zdt = ZonedDateTime.now( z ) ;
Instant instant = zdt.toInstant() ;

Reverse the UTC time, back to local time.

As shown above, apply a ZoneId to adjust the same moment into another wall-clock time used by the people of a certain region (a time zone).

Instant instant = Instant.now() ;  // Capture current moment in UTC.

ZoneId zDefault = ZoneId.systemDefault() ;  // The JVM's current default time zone.
ZonedDateTime zdtDefault = instant.atZone( zDefault ) ;

ZoneId zTunis = ZoneId.of( "Africa/Tunis" ) ;  // The JVM's current default time zone.
ZonedDateTime zdtTunis = instant.atZone( zTunis ) ;

ZoneId zAuckland = ZoneId.of( "Pacific/Auckland" ) ;  // The JVM's current default time zone.
ZonedDateTime zdtAuckland = instant.atZone( zAuckland ) ;

Going back to UTC from a zoned date-time, call ZonedDateTime::toInstant. Think of it conceptually as: ZonedDateTime = Instant + ZoneId.

Instant instant = zdtAuckland.toInstant() ;

All of these objects, the Instant and the three ZonedDateTime objects all represent the very same simultaneous moment, the same point in history.

Followed 3 different approaches (listed below) but all the 3 approaches retains the time in UTC only.

Forget about trying to fix code using those awful Date, Calendar, and GregorianCalendar classes. They are a wretched mess of bad design and flaws. You need never touch them again. If you must interface with old code not yet updated to java.time, you can convert back-and-forth via new conversion methods added to the old classes.

About java.time

The java.time framework is built into Java 8 and later. These classes supplant the troublesome old legacy date-time classes such as java.util.Date, Calendar, & SimpleDateFormat.

The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.

To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.

You may exchange java.time objects directly with your database. Use a JDBC driver compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes.

Where to obtain the java.time classes?

• Java SE 8, Java SE 9, Java SE 10, and later
  • Built-in.
  • Part of the standard Java API with a bundled implementation.
  • Java 9 adds some minor features and fixes.
• Java SE 6 and Java SE 7
  • Much of the java.time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
• Android
  • Later versions of Android bundle implementations of the java.time classes.
  • For earlier Android (<26), the ThreeTenABP project adapts ThreeTen-Backport (mentioned above). See How to use ThreeTenABP….

The ThreeTen-Extra project extends java.time with additional classes. This project is a proving ground for possible future additions to java.time. You may find some useful classes here such as Interval, YearWeek, YearQuarter, and more.

you can also use this command :

wget --mirror -pc --convert-links -P ./your-local-dir/ http://www.your-website.com

so that you get the exact mirror of the website you want to download

If mongodb is installed via Homebrew the default location is:

/usr/local/var/mongodb

See the answer from @simonbogarde for the location of other interesting files that are different when using Homebrew.

Add <b> tag

<p> <b> I am in Bold </b></p>

For more text formatting tags click here

function StopWatch() {
    let startTime, endTime, running, duration = 0
    
    this.start = () => {
        if (running) console.log('its already running')
        else {
            running = true
            startTime = Date.now()
        }
    }

    this.stop = () => {
        if (!running) console.log('its not running!')
        else {
            running = false
            endTime = Date.now()

            const seconds = (endTime - startTime) / 1000
            duration += seconds
        }
    }

    this.restart = () => {
        startTime = endTime = null
        running = false
        duration = 0
    }
    
    Object.defineProperty(this, 'duration', {
        get: () => duration.toFixed(2)
    })

}

const sw =  new StopWatch()

sw.start()
sw.stop()

sw.duration

Ok, I know that it's an old issue but I post my answer anyway.

I like this solution. I only have to specify the identity column(s).

SELECT * INTO TempTable FROM MyTable_T WHERE id = 1;
ALTER TABLE TempTable DROP COLUMN id;
INSERT INTO MyTable_T SELECT * FROM TempTable;
DROP TABLE TempTable;

The "id"-column is the identity column and that's the only column I have to specify. It's better than the other way around anyway. :-)

I use SQL Server. You may want to use "CREATE TABLE" and "UPDATE TABLE" at row 1 and 2. Hmm, I saw that I did not really give the answer that he wanted. He wanted to copy the id to another column also. But this solution is nice for making a copy with a new auto-id.

I edit my solution with the idéas from Michael Dibbets.

use MyDatabase; 
SELECT * INTO #TempTable FROM [MyTable] WHERE [IndexField] = :id;
ALTER TABLE #TempTable DROP COLUMN [IndexField]; 
INSERT INTO [MyTable] SELECT * FROM #TempTable; 
DROP TABLE #TempTable;

You can drop more than one column by separating them with a ",". The :id should be replaced with the id of the row you want to copy. MyDatabase, MyTable and IndexField should be replaced with your names (of course).

you need to do one step:

run->cmd

run "c:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -i"

Thats it

try use CMAKE_GENERATOR_PLATFORM

e.g.

// x86
cmake -DCMAKE_GENERATOR_PLATFORM=x86 . 

// x64
cmake -DCMAKE_GENERATOR_PLATFORM=x64 . 

The OP's solution is nearly there, there are just a few things to make it more Pythonic.

For one, there's no need to get the length of the list. Empty lists in Python evaluate to False in an if check. Just simply say

if list:

Additionally, it's a very Bad Idea to assign to variables that overlap with reserved words. "list" is a reserved word in Python.

So let's change that to

some_list = get_list()
if some_list:

A really important point that a lot of solutions here miss is that all Python functions/methods return None by default. Try the following below.

def does_nothing():
    pass

foo = does_nothing()
print foo

Unless you need to return None to terminate a function early, it's unnecessary to explicitly return None. Quite succinctly, just return the first entry, should it exist.

some_list = get_list()
if some_list:
    return list[0]

And finally, perhaps this was implied, but just to be explicit (because explicit is better than implicit), you should not have your function get the list from another function; just pass it in as a parameter. So, the final result would be

def get_first_item(some_list): 
    if some_list:
        return list[0]

my_list = get_list()
first_item = get_first_item(my_list)

As I said, the OP was nearly there, and just a few touches give it the Python flavor you're looking for.

The key is the parameters :

If you provide Parameters [ Height="" , Width="" ] , then it will open in new windows.

If you DON'T provide Parameters , then it will open in new tab.

Tested in Chrome and Firefox

I asked in #machomebrew and learned that you can switch between versions using brew switch.

$ brew switch libfoo mycopy 

to get version mycopy of libfoo.

If you want to force the issue, you can do:

git reset --hard c14809fafb08b9e96ff2879999ba8c807d10fb07

send you back to how your git clone looked like at the time of the checkin

JSON parsing using NSJSONSerialization

   NSString* path  = [[NSBundle mainBundle] pathForResource:@"data" ofType:@"json"];
   
    //Here you can take JSON string from your URL ,I am using json file
    NSString* jsonString = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
    NSData* jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
    NSError *jsonError;
    NSArray *jsonDataArray = [NSJSONSerialization JSONObjectWithData:[jsonString dataUsingEncoding:NSUTF8StringEncoding] options:kNilOptions error:&jsonError];
  
    NSLog(@"jsonDataArray: %@",jsonDataArray);

    NSDictionary *jsonObject = [NSJSONSerialization JSONObjectWithData:jsonData options:kNilOptions error:&jsonError];
if(jsonObject !=nil){
   // NSString *errorCode=[NSMutableString stringWithFormat:@"%@",[jsonObject objectForKey:@"response"]];
   
        
        if(![[jsonObject objectForKey:@"#data"] isEqual:@""]){
            
            NSMutableArray *array=[jsonObject objectForKey:@"#data"];
             // NSLog(@"array: %@",array);
            NSLog(@"array: %d",array.count);  
            
            int k = 0;
            for(int z = 0; z<array.count;z++){
                
                NSString *strfd = [NSString stringWithFormat:@"%d",k];
                NSDictionary *dicr = jsonObject[@"#data"][strfd];
                k=k+1;
                // NSLog(@"dicr: %@",dicr);
                 NSLog(@"Firstname - Lastname   : %@ - %@",
                     [NSMutableString stringWithFormat:@"%@",[dicr objectForKey:@"user_first_name"]],
                     [NSMutableString stringWithFormat:@"%@",[dicr objectForKey:@"user_last_name"]]);
            }
            
          }

     }

You can see the Console output as below :

Firstname - Lastname : Chandra Bhusan - Pandey

Firstname - Lastname : Kalaiyarasan - Balu

Firstname - Lastname : (null) - (null)

Firstname - Lastname : Girija - S

Firstname - Lastname : Girija - S

Firstname - Lastname : (null) - (null)

Bash.

The various UNIX and Linux implementations have various different source level implementations of ksh, some of which are real ksh, some of which are pdksh implementations and some of which are just symlinks to some other shell that has a "ksh" personality. This can lead to weird differences in execution behavior.

At least with bash you can be sure that it's a single code base, and all you need worry about is what (usually minimum) version of bash is installed. Having done a lot of scripting on pretty much every modern (and not-so-modern) UNIX, programming to bash is more reliably consistent in my experience.

Windows 7 64-bit, with both Python3.4 and Python2.7 installed at some point :)

I'm using Py.exe to route to Py2 or Py3 depending on the script's needs - but I previously improperly uninstalled Python27 before.

Py27 was removed manually from C:\python\Python27 (the folder Python27 was deleted by me previously)

Upon re-installing Python27, it gave the above error you specify.
It would always back out while trying to 'remove shortcuts' during the installation process.

I placed a copy of Python27 back in that original folder, at C:\Python\Python27, and re-ran the same failing Python27 installer. It was happy locating those items and removing them, and proceeded with the install.

This is not the answer that addresses registry key issues (others mention that) but it is somewhat of a workaround if you know of previous installations that were improperly removed.

You could have some insight to this by opening "regedit" and searching for "Python27" - a registry key appeared in my command-shell Cache pointing at c:\python\python27\ (which had been removed and was not present when searching in the registry upon finding it).

That may help point to previously improperly removed installations.

Good luck!

Usually, an Alpine Linux image doesn't contain bash, Instead you can use /bin/ash, /bin/sh, ash or only sh.

/bin/ash

docker run -it --rm alpine /bin/ash

/bin/sh

docker run -it --rm alpine /bin/sh

ash

docker run -it --rm alpine ash

sh

docker run -it --rm alpine sh

I hope this information helps you.

You could also just create a Group Policy Preference and have it create the reg key for you. (no scripting involved)

The fact that the same number of rows is returned is an after fact, the query optimizer cannot know in advance that every row in Accepts has a matching row in Marker, can it?

If you join two tables A and B, say A has 1 million rows and B has 1 row. If you say A LEFT INNER JOIN B it means only rows that match both A and B can result, so the query plan is free to scan B first, then use an index to do a range scan in A, and perhaps return 10 rows. But if you say A LEFT OUTER JOIN B then at least all rows in A have to be returned, so the plan must scan everything in A no matter what it finds in B. By using an OUTER join you are eliminating one possible optimization.

If you do know that every row in Accepts will have a match in Marker, then why not declare a foreign key to enforce this? The optimizer will see the constraint, and if is trusted, will take it into account in the plan.

According to the Oracle's documentation, there are actually four Java platforms:

• Java Platform, Standard Edition (Java SE)
• Java Platform, Enterprise Edition (Java EE)
• Java Platform, Micro Edition (Java ME)
• JavaFX

Java SE is for developing desktop applications and it is the foundation for developing in Java language. It consists of development tools, deployment technologies, and other class libraries and toolkits used in Java applications. Java EE is built on top of Java SE, and it is used for developing web applications and large-scale enterprise applications. Java ME is a subset of the Java SE. It provides an API and a small-footprint virtual machine for running Java applications on small devices. JavaFX is a platform for creating rich internet applications using a lightweight user-interface API. It is a recent addition to the family of Java platforms.

Strictly speaking, these platforms are specifications; they are norms, not software. The Java Platform, Standard Edition Development Kit (JDK) is an official implementation of the Java SE specification, provided by Oracle. There are also other implementations, like OpenJDK and IBM's J9.

People new to Java download a JDK for their platform and operating system (Oracle's JDK is available for download here.)

SELECT ID, Col1, Col2, Col3, 
    (SELECT MIN(Col) FROM (VALUES (Col1), (Col2), (Col3)) AS X(Col)) AS TheMin
FROM Table

The C language does not support pass by reference of any type. The closest equivalent is to pass a pointer to the type.

Here is a contrived example in both languages

C++ style API

void UpdateValue(int& i) {
  i = 42;
}

Closest C equivalent

void UpdateValue(int *i) {
  *i = 42;
}

For some reasons all the answer above didn't really work for me, I did the following to fix my issue:

1. I had to first delete the node_modules folder
2. re-install node.js on my PC and
3. then npm install

as explained here

With help from numpy one can calculate for example a linear fitting.

# plot the data itself
pylab.plot(x,y,'o')

# calc the trendline
z = numpy.polyfit(x, y, 1)
p = numpy.poly1d(z)
pylab.plot(x,p(x),"r--")
# the line equation:
print "y=%.6fx+(%.6f)"%(z[0],z[1])

You'll need to take a look at your Apache error log to see what the "internal server error" is. The four most likely cases, in my experience would be:

1. The CGI program is in a directory which does not have CGI execution enabled. Solution: Add the ExecCGI option to that directory via either httpd.conf or a .htaccess file.

2. Apache is only configured to run CGIs from a dedicated cgi-bin directory. Solution: Move the CGI program there or add an AddHandler cgi-script .cgi statement to httpd.conf.

3. The CGI program is not set as executable. Solution (assuming a *nix-type operating system): chmod +x my_prog.cgi

4. The CGI program is exiting without sending headers. Solution: Run the program from the command line and verify that a) it actually runs rather than dying with a compile-time error and b) it generates the correct output, which should include, at the very minimum, a Content-Type header and a blank line following the last of its headers.

#if defined(CONDITION1) || defined(CONDITION2)

should work. :)

#ifdef is a bit less typing, but doesn't work well with more complex conditions

jqPlot is great. If your requirements are fairly "normal" and you just want to draw some charts, you're probably overwhelmed by the quantity of js charting options. Assuming you don't want to do hours of research, just go with jqPlot as it's probably your best bet. It covers most use cases for most people well. Some of the alternatives are specialised on a certain type of chart or built with a certain use case in mind.

Use page breaks to define the styles in CSS:

@media all
  {
  #page-one, .footer, .page-break { display:none; }
  }

@media print
  {
  #page-one, .footer, .page-break   
    { 
    display: block;
    color:red; 
    font-family:Arial; 
    font-size: 16px; 
    text-transform: uppercase; 
    }
  .page-break
    {
    page-break-before:always;
    } 
}

Then add the markup in the document at the appropriate places:

<h2 id="page-one">unclassified</h2>
<!-- content block -->
<h2 class="footer">unclassified</h2>
<h2 class="page-break">unclassified</h2>
<!-- content block -->
<h2 class="footer">unclassified</h2>
<h2 class="page-break">unclassified</h2>
<!-- content block -->
<h2 class="footer">unclassified</h2>
<h2 class="page-break">unclassified</h2>
<!-- content block -->
<h2 class="footer">unclassified</h2>
<h2 class="page-break">unclassified</h2>

References

• CSS Paged Media: Page Breaks

• MDN: page-break-before

• MDN: break-before

• Multi-column Layout

• XHTML Print: Second Edition

• Webkit Bug 5097: CSS2 page-break-after does not work

• Print HTML FAQ: Will the program respect CSS styles such as page-break-after?

• How to deal with page breaks when printing a large HTML table

As mentioned, the .data() method won't actually set the value of the data- attribute, nor will it read updated values if the data- attribute changes.

My solution was to extend jQuery with a .realData() method that actually corresponds to the current value of the attribute:

// Alternative to .data() that updates data- attributes, and reads their current value.
(function($){
  $.fn.realData = function(name,value) {
      if (value === undefined) {
        return $(this).attr('data-'+name);
      } else {
        $(this).attr('data-'+name,value);
      }
  };
})(jQuery);

NOTE: Sure you could just use .attr(), but from my experience, most developers (aka me) make the mistake of viewing .attr() and .data() as interchangeable, and often substitute one for the other without thinking. It might work most of the time, but it's a great way to introduce bugs, especially when dealing with any sort of dynamic data binding. So by using .realData(), I can be more explicit about the intended behavior.

I would recommend Apache HTTPClient.

• How to do a PUT.
• How to do a DELETE.

Prevent saving changes that require table re-creation

Five swift clicks

1. Tools
2. Options
3. Designers
4. Prevent saving changes that require table re-creation
5. OK.

After saving, repeat the proceudure to re-tick the box. This safe-guards against accidental data loss.

Further explanation

• By default SQL Server Management Studio prevents the dropping of tables, because when a table is dropped its data contents are lost.*

• When altering a column's datatype in the table Design view, when saving the changes the database drops the table internally and then re-creates a new one.

*Your specific circumstances will not pose a consequence since your table is empty. I provide this explanation entirely to improve your understanding of the procedure.

Better use Uri.IsWellFormedUriString(string uriString, UriKind uriKind). http://msdn.microsoft.com/en-us/library/system.uri.iswellformeduristring.aspx

Example :-

 if(Uri.IsWellFormedUriString(slct.Text,UriKind.Absolute))
 {
        Uri uri = new Uri(slct.Text);
        if (DeleteFileOnServer(uri))
        {
          nn.BalloonTipText = slct.Text + " has been deleted.";
          nn.ShowBalloonTip(30);
        }
 }

class User(object):
    email = 'none'
    firstname = 'none'
    lastname = 'none'

    def __init__(self, email=None, firstname=None, lastname=None):
        self.email = email
        self.firstname = firstname
        self.lastname = lastname

    @classmethod
    def print_var(cls, obj):
        print ("obj.email obj.firstname obj.lastname")
        print(obj.email, obj.firstname, obj.lastname)
        print("cls.email cls.firstname cls.lastname")
        print(cls.email, cls.firstname, cls.lastname)

u1 = User(email='abc@xyz', firstname='first', lastname='last')
User.print_var(u1)

In the above code, the User class has 3 global variables, each with value 'none'. u1 is the object created by instantiating this class. The method print_var prints the value of class variables of class User and object variables of object u1. In the output shown below, each of the class variables User.email, User.firstname and User.lastname has value 'none', while the object variables u1.email, u1.firstname and u1.lastname have values 'abc@xyz', 'first' and 'last'.

obj.email obj.firstname obj.lastname
('abc@xyz', 'first', 'last')
cls.email cls.firstname cls.lastname
('none', 'none', 'none')

bootstrap had 15px top padding and 15px bottom padding on .navbar-nav > li > a so you need to decrease it by overriding it in your css file and .navbar has min-height:50px; decrease it as much you want.

for example

.navbar-nav > li > a {padding-top:5px !important; padding-bottom:5px !important;}
.navbar {min-height:32px !important}

add these classes to your css and then check.

The two most usual choices are GTK+, which has documentation links here, and is mostly used with C; or Qt which has documentation here and is more used with C++.

I posted these two as you do not specify an operating system and these two are pretty cross-platform.

I ran into similar problems when accessing the project files from different computers via a shared folder. In my case clean + reabuild did not help. Had to delete the bin and objects folders from the output directory.

https://github.com/google/skicka

I used this command line tool to download files from Google Drive. Just follow the instructions in Getting Started section and you should download files from Google Drive in minutes.

Just use the --jars parameter. Spark will share those jars (comma-separated) with the executors.

For int types use:

int myInteger = 1;
String myString = Integer.toString(myInteger);

For Integer types use:

Integer myIntegerObject = new Integer(1);
String myString = myIntegerObject.toString();

For anyone with the same issue as I had, I was calling a public method method1 from within another class. method1 then called another public method method2 within the same class. method2 was annotated with @Transactional, but method1 was not. All that method1 did was transform some arguments and directly call method2, so no DB operations here.

The issue got solved for me once I moved the @Transactional annotation to method1.

Not sure the reason for this, but this did it for me.

Ok, For installing Android on Windows phone, I think you can..(But your window phone has required configuration to run Android) (For other I don't know If I will then surely post here)

Just go through these links,

Run Android on Your Windows Mobile Phone

full tutorial on how to put android on windows mobile touch pro 2

How to install Android on most Windows Mobile phones

Update:

For Windows 7 to Android device, this also possible, (You need to do some hack for this)

Just go through these links,

Install Windows Phone 7 Mango on HTC HD2 [How-To Guide]

HTC HD2: How To Install WP7 (Windows Phone 7) & MAGLDR 1.13 To NAND

Install windows phone 7 on android and iphones | Tips and Tricks

How to install Windows Phone 7 on HTC HD2? (Video)

To Install Android on your iOS Devices (This also possible...)

Look at How To Install Android on your iOS Devices

Android 2.2 Froyo running on Iphone

Functions can be "passed" as function pointers, as per ISO C11 6.7.6.3p8: "A declaration of a parameter as ‘‘function returning type’’ shall be adjusted to ‘‘pointer to function returning type’’, as in 6.3.2.1. ". For example, this:

void foo(int bar(int, int));

is equivalent to this:

void foo(int (*bar)(int, int));

I had the same issue, and the answer was in the dmenu source code: the stest utility made for that purpose. You can compile the 'stest.c' and 'arg.h' files and it should work. There is a man page for the usage, that I put there for convenience:

STEST(1)         General Commands Manual         STEST(1)

NAME
       stest - filter a list of files by properties

SYNOPSIS
       stest  [-abcdefghlpqrsuwx]  [-n  file]  [-o  file]
       [file...]

DESCRIPTION
       stest takes a list of files  and  filters  by  the
       files'  properties,  analogous  to test(1).  Files
       which pass all tests are printed to stdout. If  no
       files are given, stest reads files from stdin.

OPTIONS
       -a     Test hidden files.

       -b     Test that files are block specials.

       -c     Test that files are character specials.

       -d     Test that files are directories.

       -e     Test that files exist.

       -f     Test that files are regular files.

       -g     Test  that  files  have  their set-group-ID
              flag set.

       -h     Test that files are symbolic links.

       -l     Test the contents of a directory  given  as
              an argument.

       -n file
              Test that files are newer than file.

       -o file
              Test that files are older than file.

       -p     Test that files are named pipes.

       -q     No  files are printed, only the exit status
              is returned.

       -r     Test that files are readable.

       -s     Test that files are not empty.

       -u     Test that files have their set-user-ID flag
              set.

       -v     Invert  the  sense  of  tests, only failing
              files pass.

       -w     Test that files are writable.

       -x     Test that files are executable.

EXIT STATUS
       0      At least one file passed all tests.

       1      No files passed all tests.

       2      An error occurred.

SEE ALSO
       dmenu(1), test(1)

                        dmenu-4.6                STEST(1)

$(window).scroll(function () {
  var Bottom = $(window).height() + $(window).scrollTop() >= $(document).height();
if(Bottom )
{
$('#div').hide();
}
});

No, you can't. An assembly/project (each project compiles to 1 assembly usually) has to be one language. However, you can use multiple assemblies, and each can be coded in a different language because they are all compiled to CIL.

It compiled fine and didn't complain because a VB.NET project will only actually compile the .vb files and a C# project will only actually compile the .cs files. It was ignoring the other ones, therefore you did not receive errors.

Edit: If you add a .vb file to a C# project, select the file in the Solution Explorer panel and then look at the Properties panel, you'll notice that the Build Action is 'Content', not 'Compile'. It is treated as a simple text file and doesn't even get embedded in the compiled assembly as a binary resource.

Edit: With asp.net websites you may add c# web user control to vb.net website

You can use a range to do that.

git log master..

If you've checked out your my_experiment branch. This will compare where master is at to HEAD (the tip of my_experiment).

This will get you 90% of the way there ; )

window.$ = document.querySelectorAll.bind(document)

For Ajax, the Fetch API is now supported on the current version of every major browser. For $.ready(), DOMContentLoaded has near universal support. You Might Not Need jQuery gives equivalent native methods for other common jQuery functions.

Zepto offers similar functionality but weighs in at 10K zipped. There are custom Ajax builds for jQuery and Zepto as well as some micro frameworks, but jQuery/Zepto have solid support and 10KB is only ~1 second on a 56K modem.

Yahoo is very easy to use and provides customized data. Use the following page to learn more.

finance.yahoo.com/d/quotes.csv?s=AAPL+GOOG+MSFT=pder=.csv

WARNING - there are a few tutorials out there on the web that show you how to do this, but the region where you put in the stock symbols causes an error if you use it as posted. You will get a "MISSING FORMAT VALUE". The tutorials I found omits the commentary around GOOG.

Example URL for GOOG: http://download.finance.yahoo.com/d/quotes.csv?s=%40%5EDJI,GOOG&f=nsl1op&e=.csv

NULL values are stored separately in a special bitmap space for all the columns.

If you do not distinguish between NULL and '' in your application, then I would recommend you to store '' in your tables (unless the string column is a foreign key, in which case it would probably be better to prohibit the column from storing empty strings and allow the NULLs, if that is compatible with the logic of your application).

Best practice is to use an interface to specify the contract and an abstract class as just one implementation thereof. That abstract class can fill in a lot of the boilerplate so you can create an implementation by just overriding what you need to or want to without forcing you to use a particular implementation.

Try :

$('#idPicker').on('changeDate', function() {
    var date = $('#idPicker').datepicker('getFormattedDate');
});

If you are only saving a single object (your data frame), you could also use saveRDS.
To save:

saveRDS(foo, file="data.Rda")

Then read it with:

bar <- readRDS(file="data.Rda")

The difference between saveRDS and save is that in the former only one object can be saved and the name of the object is not forced to be the same after you load it.

if anyone gets in here again this worked for me...

"aoColumnDefs": [{ "bVisible": false, "aTargets": [0] }]

I had a similar issue, where I had one div holding the image, and one div holding the text. The reason mine wasn't working, was that the div holding the image had display: inline-block while the div holding the text had display: inline.

I changed it to both be display: inline and it worked.

Here's a solution for a basic header section with a logo, title and tagline:

HTML

<div class="site-branding">
  <div class="site-branding-logo">
    <img src="add/Your/URI/Here" alt="what Is The Image About?" />
  </div>
</div>
<div class="site-branding-text">
  <h1 id="site-title">Site Title</h1>
  <h2 id="site-tagline">Site Tagline</h2>
</div>

CSS

div.site-branding { /* Position Logo and Text  */
  display: inline-block;
  vertical-align: middle;
}

div.site-branding-logo { /* Position logo within site-branding */
  display: inline;
  vertical-align: middle;
}

div.site-branding-text { /* Position text within site-branding */
    display: inline;
    width: 350px;
    margin: auto 0;
    vertical-align: middle;
}

div.site-branding-title { /* Position title within text */
    display: inline;
}

div.site-branding-tagline { /* Position tagline within text */
    display: block;
}

An alternate way is to construct a view which is then queried just like a table. In many database managers using a view can result in better performance.

CREATE VIEW xyz SELECT q.question, a.alternative  
   FROM tbl_question AS q, tbl_alternative AS a
  WHERE q.categoryid = a.categoryid 
    AND q._id = a.questionid;

This is from memory so there may be some syntactic issues. http://www.sqlite.org/lang_createview.html

I mention this approach because then you can use SQLiteQueryBuilder with the view as you implied that it was preferred.

private int[] data = new int[3];

This already initializes your array elements to 0. You don't need to repeat that again in the constructor.

In your constructor it should be:

data = new int[]{0, 0, 0};

The other answers might not be easy to understand for one who is not much familiar with the subject of architectural patterns. Someone who is new to app architecture might want to know how its choice can affect her app in practice and what all the fuss is about in communities.

Trying to shed some light on the above, I made up this screenplay involving MVVM, MVP and MVC. The story begins by a user clicking on the ‘FIND’ button in a movie search app… :

User: Click …

View: Who’s that? [MVVM|MVP|MVC]

User: I just clicked on the search button …

View: Ok, hold on a sec … . [MVVM|MVP|MVC]

( View calling the ViewModel|Presenter|Controller … ) [MVVM|MVP|MVC]

View: Hey ViewModel|Presenter|Controller, a User has just clicked on the search button, what shall I do? [MVVM|MVP|MVC]

ViewModel|Presenter|Controller: Hey View, is there any search term on that page? [MVVM|MVP|MVC]

View: Yes,… here it is … “piano” [MVVM|MVP|MVC]

—— This is the most important difference between MVVM AND MVP|MVC ———

Presenter: Thanks View,… meanwhile I’m looking up the search term on the Model, please show him/her a progress bar [MVP|MVC]

( Presenter|Controller is calling the Model … ) [MVP|MVC]

ViewController: Thanks, I’ll be looking up the search term on the Model but will not update you directly. Instead, I will trigger events to searchResultsListObservable if there is any result. So you had better observe on that. [MVVM]

(While observing on any trigger in searchResultsListObservable, the View thinks it should show some progress bar to the user, since ViewModel would not talk to it on that)

——————————————————————————————

ViewModel|Presenter|Controller: Hey Model, Do you have any match for this search term?: “piano” [MVVM|MVP|MVC]

Model: Hey ViewModel|Presenter|Controller, let me check … [MVVM|MVP|MVC]

( Model is making a query to the movie database … ) [MVVM|MVP|MVC]

( After a while … )

———— This is the diverging point between MVVM, MVP and MVC ————–

Model: I found a list for you, ViewModel|Presenter, here it is in JSON “[{“name”:”Piano Teacher”,”year”:2001},{“name”:”Piano”,”year”:1993}]” [MVVM|MVP]

Model: There is some result available, Controller. I have created a field variable in my instance and filled it with the result. It’s name is “searchResultsList” [MVC]

(Presenter|Controller thanks Model and gets back to the View) [MVP|MVC]

Presenter: Thanks for waiting View, I found a list of matching results for you and arranged them in a presentable format: [“Piano Teacher 2001",”Piano 1993”]. Also please hide the progress bar now [MVP]

Controller: Thanks for waiting View, I have asked Model about your search query. It says it has found a list of matching results and stored them in a variable named “searchResultsList” inside its instance. You can get it from there. Also please hide the progress bar now [MVC]

ViewModel: Any observer on searchResultsListObservable be notified that there is this new list in presentable format: [“Piano Teacher 2001",”Piano 1993”].[MVVM]

View: Thank you very much Presenter [MVP]

View: Thank you “Controller” [MVC] (Now the View is questioning itself: How should I present the results I get from the Model to the user? Should the production year of the movie come first or last…?)

View: Oh, there is a new trigger in searchResultsListObservable … , good, there is a presentable list, now I only have to show it in a list. I should also hide the progress bar now that I have the result. [MVVM]

In case you are interested, I have written a series of articles here, comparing MVVM, MVP and MVC by implementing a movie search android app.

Try this

`var url = "http://stackoverflow.com";    
$(location).attr('href',url);`

Or you can do something like this

// similar behavior as an HTTP redirect
window.location.replace("http://stackoverflow.com");

// similar behavior as clicking on a link
window.location.href = "http://stackoverflow.com";

and add a return false at the end of your function call

The advice you were given is flawed. Unconditionally setting GIT_AUTHOR_DATE in an --env-filter would rewrite the date of every commit. Also, it would be unusual to use git commit inside --index-filter.

You are dealing with multiple, independent problems here.

Specifying Dates Other Than “now”

Each commit has two dates: the author date and the committer date. You can override each by supplying values through the environment variables GIT_AUTHOR_DATE and GIT_COMMITTER_DATE for any command that writes a new commit. See “Date Formats” in git-commit(1) or the below:

Git internal format = <unix timestamp> <time zone offset>, e.g.  1112926393 +0200
RFC 2822            = e.g. Thu, 07 Apr 2005 22:13:13 +0200
ISO 8601            = e.g. 2005-04-07T22:13:13

The only command that writes a new commit during normal use is git commit. It also has a --date option that lets you directly specify the author date. Your anticipated usage includes git filter-branch --env-filter also uses the environment variables mentioned above (these are part of the “env” after which the option is named; see “Options” in git-filter-branch(1) and the underlying “plumbing” command git-commit-tree(1).

Inserting a File Into a Single ref History

If your repository is very simple (i.e. you only have a single branch, no tags), then you can probably use git rebase to do the work.

In the following commands, use the object name (SHA-1 hash) of the commit instead of “A”. Do not forget to use one of the “date override” methods when you run git commit.

---A---B---C---o---o---o   master

git checkout master
git checkout A~0
git add path/to/file
git commit --date='whenever'
git tag ,new-commit -m'delete me later'
git checkout -
git rebase --onto ,new-commit A
git tag -d ,new-commit

---A---N                      (was ",new-commit", but we delete the tag)
        \
         B'---C'---o---o---o   master

If you wanted to update A to include the new file (instead of creating a new commit where it was added), then use git commit --amend instead of git commit. The result would look like this:

---A'---B'---C'---o---o---o   master

The above works as long as you can name the commit that should be the parent of your new commit. If you actually want your new file to be added via a new root commit (no parents), then you need something a bit different:

B---C---o---o---o   master

git checkout master
git checkout --orphan new-root
git rm -rf .
git add path/to/file
GIT_AUTHOR_DATE='whenever' git commit
git checkout -
git rebase --root --onto new-root
git branch -d new-root

N                       (was new-root, but we deleted it)
 \
  B'---C'---o---o---o   master

git checkout --orphan is relatively new (Git 1.7.2), but there are other ways of doing the same thing that work on older versions of Git.

Inserting a File Into a Multi-ref History

If your repository is more complex (i.e. it has more than one ref (branches, tags, etc.)), then you will probably need to use git filter-branch. Before using git filter-branch, you should make a backup copy of your entire repository. A simple tar archive of your entire working tree (including the .git directory) is sufficient. git filter-branch does make backup refs, but it is often easier to recover from a not-quite-right filtering by just deleting your .git directory and restoring it from your backup.

Note: The examples below use the lower-level command git update-index --add instead of git add. You could use git add, but you would first need to copy the file from some external location to the expected path (--index-filter runs its command in a temporary GIT_WORK_TREE that is empty).

If you want your new file to be added to every existing commit, then you can do this:

new_file=$(git hash-object -w path/to/file)
git filter-branch \
  --index-filter \
    'git update-index --add --cacheinfo 100644 '"$new_file"' path/to/file' \
  --tag-name-filter cat \
  -- --all
git reset --hard

I do not really see any reason to change the dates of the existing commits with --env-filter 'GIT_AUTHOR_DATE=…'. If you did use it, you would have make it conditional so that it would rewrite the date for every commit.

If you want your new file to appear only in the commits after some existing commit (“A”), then you can do this:

file_path=path/to/file
before_commit=$(git rev-parse --verify A)
file_blob=$(git hash-object -w "$file_path")
git filter-branch \
  --index-filter '

    if x=$(git rev-list -1 "$GIT_COMMIT" --not '"$before_commit"') &&
       test -n "$x"; then
         git update-index --add --cacheinfo 100644 '"$file_blob $file_path"'
    fi

  ' \
  --tag-name-filter cat \
  -- --all
git reset --hard

If you want the file to be added via a new commit that is to be inserted into the middle of your history, then you will need to generate the new commit prior to using git filter-branch and add --parent-filter to git filter-branch:

file_path=path/to/file
before_commit=$(git rev-parse --verify A)

git checkout master
git checkout "$before_commit"
git add "$file_path"
git commit --date='whenever'
new_commit=$(git rev-parse --verify HEAD)
file_blob=$(git rev-parse --verify HEAD:"$file_path")
git checkout -

git filter-branch \
  --parent-filter "sed -e s/$before_commit/$new_commit/g" \
  --index-filter '

    if x=$(git rev-list -1 "$GIT_COMMIT" --not '"$new_commit"') &&
       test -n "$x"; then
         git update-index --add --cacheinfo 100644 '"$file_blob $file_path"'
    fi

  ' \
  --tag-name-filter cat \
  -- --all
git reset --hard

You could also arrange for the file to be first added in a new root commit: create your new root commit via the “orphan” method from the git rebase section (capture it in new_commit), use the unconditional --index-filter, and a --parent-filter like "sed -e \"s/^$/-p $new_commit/\"".

When you call a function, a new "namespace" is allocated on the stack. That's how functions can have local variables. As functions call functions, which in turn call functions, we keep allocating more and more space on the stack to maintain this deep hierarchy of namespaces.

To curb programs using massive amounts of stack space, a limit is usually put in place via ulimit -s. If we remove that limit via ulimit -s unlimited, our programs will be able to keep gobbling up RAM for their evergrowing stack until eventually the system runs out of memory entirely.

int eat_stack_space(void) { return eat_stack_space(); }
// If we compile this with no optimization and run it, our computer could crash.

Usually, using a ton of stack space is accidental or a symptom of very deep recursion that probably should not be relying so much on the stack. Thus the stack limit.

Impact on performace is minor but does exist. Using the time command, I found that eliminating the stack limit increased performance by a few fractions of a second (at least on 64bit Ubuntu).

You need to add a name attribute to your dropdown list, then you need to add a required attribute, and then you can reference the error using myForm.[input name].$error.required:

HTML:

        <form name="myForm" ng-controller="Ctrl" ng-submit="save(myForm)" novalidate>
        <input type="text" name="txtServiceName" ng-model="ServiceName" required>
<span ng-show="myForm.txtServiceName.$error.required">Enter Service Name</span>
<br/>
          <select name="service_id" class="Sitedropdown" style="width: 220px;"          
                  ng-model="ServiceID" 
                  ng-options="service.ServiceID as service.ServiceName for service in services"
                  required> 
            <option value="">Select Service</option> 
          </select> 
          <span ng-show="myForm.service_id.$error.required">Select service</span>

        </form>

    Controller:

        function Ctrl($scope) {
          $scope.services = [
            {ServiceID: 1, ServiceName: 'Service1'},
            {ServiceID: 2, ServiceName: 'Service2'},
            {ServiceID: 3, ServiceName: 'Service3'}
          ];

    $scope.save = function(myForm) {
    console.log('Selected Value: '+ myForm.service_id.$modelValue);
    alert('Data Saved! without validate');
    };
        }

Here's a working plunker.

This seems as good a place as any to document another possible reason for the infamous PKIX error message. After spending far too long looking at the keystore and truststore contents and various java installation configs I realised that my issue was down to... a typo.

The typo meant that I was also using the keystore as the truststore. As my companies Root CA was not defined as a standalone cert in the keystore but only as part of a cert chain, and was not defined anywhere else (i.e. cacerts) I kept getting the PKIX error.

After a failed release (this is prod config, it was ok elsewhere) and two days of head scratching I finally saw the typo, and now all is good.

Hope this helps someone.

Per MSDN it is

By default, the maximum size of an Array is 2 gigabytes (GB).

In a 64-bit environment, you can avoid the size restriction by setting the enabled attribute of the gcAllowVeryLargeObjects configuration element to true in the run-time environment.

However, the array will still be limited to a total of 4 billion elements.

Refer Here http://msdn.microsoft.com/en-us/library/System.Array(v=vs.110).aspx

Note: Here I am focusing on the actual length of array by assuming that we will have enough hardware RAM.

Correct me if wrong...I think request does persist between consecutive pages..

Think you traverse from page 1--> page 2-->page 3.

You have some value set in the request object using setAttribute from page 1, which you retrieve in page 2 using getAttribute,then if you try setting something again in same request object to retrieve it in page 3 then it fails giving you null value as "the request that created the JSP, and the request that gets generated when the JSP is submitted are completely different requests and any attributes placed on the first one will not be available on the second".

I mean something like this in page 2 fails:

Where as the same thing has worked in case of page 1 like:

So I think I would need to proceed with either of the two options suggested by Phill.

Importing my project (which had 3 different modules in it) - as File -> Module From Existing Sources fixed it for me.

As precised in the annotation documentation, the annotation indicates that the argument name is used as the property name without any modifications, but it can be specified to non-empty value to specify different name:

• We can't concatenate a string variable to an integer variable using concat() function because this function only applies to a string, not on a integer. but we can concatenate a string to a number(integer) using + operator.
• As we know, functions are pretty slower than operators. functions needs to pass values to the predefined functions and need to gather the results of the functions. which is slower than doing operations using operators because operators performs operations in-line but, functions used to jump to appropriate memory locations... So, As mentioned in previous answers the other difference is obviously the speed of operation.

<!DOCTYPE html>_x000D_
<html>_x000D_
<body>_x000D_
_x000D_
<p>The concat() method joins two or more strings</p>_x000D_
_x000D_
_x000D_
<p id="demo"></p>_x000D_
<p id="demo1"></p>_x000D_
_x000D_
<script>_x000D_
var text1 = 4;_x000D_
var text2 = "World!";_x000D_
document.getElementById("demo").innerHTML = text1 + text2;_x000D_
//Below Line can't produce result_x000D_
document.getElementById("demo1").innerHTML = text1.concat(text2);_x000D_
</script>_x000D_
<p><strong>The Concat() method can't concatenate a string with a integer </strong></p>_x000D_
</body>_x000D_
</html>

With **Java 8* there is an alternative that use streams and lambdas:

public static void recursiveFind(Path path, Consumer<Path> c) {
  try (DirectoryStream<Path> newDirectoryStream = Files.newDirectoryStream(path)) {
    StreamSupport.stream(newDirectoryStream.spliterator(), false)
                 .peek(p -> {
                   c.accept(p);
                   if (p.toFile()
                        .isDirectory()) {
                     recursiveFind(p, c);
                   }
                 })
                 .collect(Collectors.toList());
  } catch (IOException e) {
    e.printStackTrace();
  }
}

So this will print all the files recursively:

recursiveFind(Paths.get("."), System.out::println);

And this will search for a file:

recursiveFind(Paths.get("."), p -> { 
  if (p.toFile().getName().toString().equals("src")) {
    System.out.println(p);
  }
});

#!/bin/bash

git-remote-url() {
 local rmt=$1; shift || { printf "Usage: git-remote-url [REMOTE]\n" >&2; return 1; }
 local url

 if ! git config --get remote.${rmt}.url &>/dev/null; then
  printf "%s\n" "Error: not a valid remote name" && return 1
  # Verify remote using 'git remote -v' command
 fi

 url=`git config --get remote.${rmt}.url`

 # Parse remote if local clone used SSH checkout
 [[ "$url" == git@* ]] \
 && { url="https://github.com/${url##*:}" >&2; }; \
 { url="${url%%.git}" >&2; };

 printf "%s\n" "$url"
}

Usage:

# Either launch a new terminal and copy `git-remote-url` into the current shell process, 
# or create a shell script and add it to the PATH to enable command invocation with bash.

# Create a local clone of your repo with SSH, or HTTPS
git clone [email protected]:your-username/your-repository.git
cd your-repository

git-remote-url origin

Output:

https://github.com/your-username/your-repository

For complex C++ files vim does not always get the formatting right when using vim's = filter command. So for a such situations it is better to use an external C++ formatter like astyle (or uncrustify) e.g.:

:%!astyle

Vim's '=' function uses its internal formatter by default (which doesn't always gets things right) but one can also set it use an external formatter, like astyle, by setting it up appropriately as discussed in this question.

Non-const and const reference binding follow different rules

These are the rules of the C++ language:

• an expression consisting of a literal number (12) is a "rvalue"
• it is not permitted to create a non-const reference with a rvalue: int &ri = 12; is ill-formed
• it is permitted to create a const reference with a rvalue: in this case, an unnamed object is created by the compiler; this object will persist as long as the reference itself exist.

You have to understand that these are C++ rules. They just are.

It is easy to invent a different language, say C++', with slightly different rules. In C++', it would be permitted to create a non-const reference with a rvalue. There is nothing inconsistent or impossible here.

But it would allow some risky code where the programmer might not get what he intended, and C++ designers rightly decided to avoid that risk.

For that, you can use default difflib in python

from difflib import SequenceMatcher

def similar(a, b):
    return SequenceMatcher(None, a, b).ratio()

then call similar() as

similar(string1, string2)

it will return compare as ,ratio >= threshold to get match result

I think SELECT CAST( CAST([field] AS VARBINARY(120)) AS varchar(120)) for your update

res.next() method will take the pointer to the next row. and in your code you are using it twice, first for the if condition (cursor moves to first row) then for while condition (cursor moves to second row).

So when you access your results, it starts from second row. So shows one row less in results.

you can try this :

if(!res.next()){ 
    System.out.println("No Data Found");  
}
else{
    do{
       //your code
    } 
    while(res.next());
}

This is happening because there is no package cache in the image, you need to run:

apt-get -qq update

before installing packages, and if your command is in a Dockerfile, you'll then need:

apt-get -qq -y install curl

After that install ZSH and GIT Core:

apt-get install zsh
apt-get install git-core

Getting zsh to work in ubuntu is weird since sh does not understand the source command. So, you do this to install zsh:

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

and then you change your shell to zsh:

chsh -s `which zsh`

and then restart:

sudo shutdown -r 0

This problem is explained in depth in this issue.

Lots of great answers here but they might be superseded by this CMake support in Visual Studio (Oct 5 2016)

Fast-forward merging makes sense for short-lived branches, but in a more complex history, non-fast-forward merging may make the history easier to understand, and make it easier to revert a group of commits.

Warning: Non-fast-forwarding has potential side effects as well. Please review https://sandofsky.com/blog/git-workflow.html, avoid the 'no-ff' with its "checkpoint commits" that break bisect or blame, and carefully consider whether it should be your default approach for master.

^{(From nvie.com, Vincent Driessen, post "A successful Git branching model")}

Incorporating a finished feature on develop

Finished features may be merged into the develop branch to add them to the upcoming release:

$ git checkout develop
Switched to branch 'develop'
$ git merge --no-ff myfeature
Updating ea1b82a..05e9557
(Summary of changes)
$ git branch -d myfeature
Deleted branch myfeature (was 05e9557).
$ git push origin develop

The --no-ff flag causes the merge to always create a new commit object, even if the merge could be performed with a fast-forward. This avoids losing information about the historical existence of a feature branch and groups together all commits that together added the feature.

Jakub Narebski also mentions the config merge.ff:

By default, Git does not create an extra merge commit when merging a commit that is a descendant of the current commit. Instead, the tip of the current branch is fast-forwarded.
When set to false, this variable tells Git to create an extra merge commit in such a case (equivalent to giving the --no-ff option from the command line).
When set to 'only', only such fast-forward merges are allowed (equivalent to giving the --ff-only option from the command line).

The fast-forward is the default because:

• short-lived branches are very easy to create and use in Git
• short-lived branches often isolate many commits that can be reorganized freely within that branch
• those commits are actually part of the main branch: once reorganized, the main branch is fast-forwarded to include them.

But if you anticipate an iterative workflow on one topic/feature branch (i.e., I merge, then I go back to this feature branch and add some more commits), then it is useful to include only the merge in the main branch, rather than all the intermediate commits of the feature branch.

In this case, you can end up setting this kind of config file:

[branch "master"]
# This is the list of cmdline options that should be added to git-merge 
# when I merge commits into the master branch.

# The option --no-commit instructs git not to commit the merge
# by default. This allows me to do some final adjustment to the commit log
# message before it gets commited. I often use this to add extra info to
# the merge message or rewrite my local branch names in the commit message
# to branch names that are more understandable to the casual reader of the git log.

# Option --no-ff instructs git to always record a merge commit, even if
# the branch being merged into can be fast-forwarded. This is often the
# case when you create a short-lived topic branch which tracks master, do
# some changes on the topic branch and then merge the changes into the
# master which remained unchanged while you were doing your work on the
# topic branch. In this case the master branch can be fast-forwarded (that
# is the tip of the master branch can be updated to point to the tip of
# the topic branch) and this is what git does by default. With --no-ff
# option set, git creates a real merge commit which records the fact that
# another branch was merged. I find this easier to understand and read in
# the log.

mergeoptions = --no-commit --no-ff

The OP adds in the comments:

I see some sense in fast-forward for [short-lived] branches, but making it the default action means that git assumes you... often have [short-lived] branches. Reasonable?

Jefromi answers:

I think the lifetime of branches varies greatly from user to user. Among experienced users, though, there's probably a tendency to have far more short-lived branches.

To me, a short-lived branch is one that I create in order to make a certain operation easier (rebasing, likely, or quick patching and testing), and then immediately delete once I'm done.
That means it likely should be absorbed into the topic branch it forked from, and the topic branch will be merged as one branch. No one needs to know what I did internally in order to create the series of commits implementing that given feature.

More generally, I add:

it really depends on your development workflow:

• if it is linear, one branch makes sense.
• If you need to isolate features and work on them for a long period of time and repeatedly merge them, several branches make sense.

See "When should you branch?"

Actually, when you consider the Mercurial branch model, it is at its core one branch per repository (even though you can create anonymous heads, bookmarks and even named branches)
See "Git and Mercurial - Compare and Contrast".

Mercurial, by default, uses anonymous lightweight codelines, which in its terminology are called "heads".
Git uses lightweight named branches, with injective mapping to map names of branches in remote repository to names of remote-tracking branches.
Git "forces" you to name branches (well, with the exception of a single unnamed branch, which is a situation called a "detached HEAD"), but I think this works better with branch-heavy workflows such as topic branch workflow, meaning multiple branches in a single repository paradigm.

memory mapping is not only used to map files into memory but is also a tool to request RAM from kernel. These are those inode 0 entries - your stack, heap, bss segments and more

string outString= number.ToString("####0.00");

Set the cellspacing attribute of the table to 0.

You can also use the CSS style, border-spacing: 0, but only if you don't need to support older versions of IE.

http://jsfiddle.net/MBLZx/

Here is the code

 .showme{ _x000D_
   display: none;_x000D_
 }_x000D_
 .showhim:hover .showme{_x000D_
   display : block;_x000D_
 }_x000D_
 .showhim:hover .ok{_x000D_
   display : none;_x000D_
 }

 <div class="showhim">_x000D_
     HOVER ME_x000D_
     <div class="showme">hai</div>_x000D_
     <div class="ok">ok</div>_x000D_
</div>_x000D_
_x000D_
   

I posted a similar issue here, working with a SQL 2012 db hosted on Amazon RDS. The problem was in the connection string - I had "Application Name" and "App" properties in there. Once I removed those, it worked.

Entity Framework 5 and Amazon RDS - "The underlying provider failed on Open."

Declare it as a property:

interface ICar {
   int Year { get; set; }
}

1.) Storage of database passwords Use some kind of hash with a salt and then alter the hash, obfuscate it, for example add a distinct value for each byte. That way your passwords a super secured against dictionary attacks and rainbow tables.

2.) To check if the password matches, create your hash for the password the user put in. Then perform a query against the database for the username and just check if the two password hashes are identical. If they are, give the user an authentication token.

The query should then look like this:

select hashedPassword from users where username=?

Then compare the password to the input.

Further questions?

you need only set default value to parameters(you do not need the Route attribute):

public IHttpActionResult Get(string apc = null, string xpc = null, int? sku = null)
{ ... }

I simply added 'async' to my script tag, which seems to have fixed the issue. I'm not sure why, if someone can explain, but it worked for me. My guess is that the page isn't waiting for the script to load, so the page loads at the same time as the JavaScript.

Async/Await enables us to write asynchronous code in a synchronous fashion. it’s just syntactic sugar using generators and yield statements to “pause” execution, giving us the ability to assign it to a variable!

Here's reference link- https://medium.com/siliconwat/how-javascript-async-await-works-3cab4b7d21da

By the time the image is loaded, the renderer has already drawn the scene, hence it is too late. The solution is to change

texture = THREE.ImageUtils.loadTexture('crate.gif'),

into

texture = THREE.ImageUtils.loadTexture('crate.gif', {}, function() {
    renderer.render(scene);
}),

Check if the ip address on the router is the same with the one on the ftp server. If not make sure it is the same. This should works perfectly.

The .NET Framework design guidelines recommend using the Try methods. Avoiding exceptions is usually a good idea.

Convert.ToDouble(object) will do ((IConvertible) object).ToDouble(null);

Which will call Convert.ToDouble(string, null)

So it's faster to call the string version.

However, the string version just does this:

if (value == null)
{
    return 0.0;
}
return double.Parse(value, NumberStyles.Float | NumberStyles.AllowThousands, provider);

So it's faster to do the double.Parse directly.

It allows you to queue up animations... for example, instead of this

$('#my-element').animate( { opacity: 0.2, width: '100px' }, 2000);

Which fades the element and makes the width 100 px at the same time. Using the queue allows you to stage the animations. So one finishes after the other.

$("#show").click(function () {
    var n = $("div").queue("fx");
    $("span").text("Queue length is: " + n.length);
});

function runIt() {
    $("div").show("slow");
    $("div").animate({left:'+=200'},2000);
    $("div").slideToggle(1000);
    $("div").slideToggle("fast");
    $("div").animate({left:'-=200'},1500);
    $("div").hide("slow");
    $("div").show(1200);
    $("div").slideUp("normal", runIt);
}
runIt();

Example from http://docs.jquery.com/Effects/queue

When condition is really complex I use the following style (PHP real life example):

if( $format_bool &&
    (
        ( isset( $column_info['native_type'] )
            && stripos( $column_info['native_type'], 'bool' ) !== false
        )
        || ( isset( $column_info['driver:decl_type'] )
            && stripos( $column_info['driver:decl_type'], 'bool' ) !== false
        )
        || ( isset( $column_info['pdo_type'] )
            && $column_info['pdo_type'] == PDO::PARAM_BOOL
        )
    )
)

I believe it's more nice and readable than nesting multiple levels of if(). And in some cases like this you simply can't break complex condition into pieces because otherwise you would have to repeat the same statements in if() {...} block many times.

I also believe that adding some "air" into code is always a good idea. It improves readability greatly.

just sudo pip install packagename

msgbox ("Message goes here",0+16,"Title goes here")

if the user is supposed to make a decision the variable can be added like this.

variable=msgbox ("Message goes here",0+16,"Title goes here")

The numbers in the middle vary what the message box looks like. Here is the list

0 - ok button only

1 - ok and cancel

2 - abort, retry and ignore

3 - yes no and cancel

4 - yes and no

5 - retry and cancel

TO CHANGE THE SYMBOL (RIGHT NUMBER)

16 - critical message icon

32 - warning icon

48 - warning message

64 - info message

DEFAULT BUTTON

0 = vbDefaultButton1 - First button is default

256 = vbDefaultButton2 - Second button is default

512 = vbDefaultButton3 - Third button is default

768 = vbDefaultButton4 - Fourth button is default

SYSTEM MODAL

4096 = System modal, alert will be on top of all applications

Note: There are some extra numbers. You just have to add them to the numbers already there like

msgbox("Hello World", 0+16+0+4096)

from https://www.instructables.com/id/The-Ultimate-VBS-Tutorial/

According to this documentation: Name-based Virtual Host Support

You may be missing the following directive:

NameVirtualHost *:80

Did you try using -removeObjectForKey?

 [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"defunctPreference"];

You'll have to download the image firstly

public static Bitmap loadBitmap(String url) {
    Bitmap bitmap = null;
    InputStream in = null;
    BufferedOutputStream out = null;

    try {
        in = new BufferedInputStream(new URL(url).openStream(), IO_BUFFER_SIZE);

        final ByteArrayOutputStream dataStream = new ByteArrayOutputStream();
        out = new BufferedOutputStream(dataStream, IO_BUFFER_SIZE);
        copy(in, out);
        out.flush();

        final byte[] data = dataStream.toByteArray();
        BitmapFactory.Options options = new BitmapFactory.Options();
        //options.inSampleSize = 1;

        bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,options);
    } catch (IOException e) {
        Log.e(TAG, "Could not load Bitmap from: " + url);
    } finally {
        closeStream(in);
        closeStream(out);
    }

    return bitmap;
}

Then use the Imageview.setImageBitmap to set bitmap into the ImageView