I added a few more columns on top of marc_s answer:

with fs
as
(
select i.object_id,
        p.rows AS RowCounts,
        SUM(a.total_pages) * 8 AS TotalSpaceKb
from     sys.indexes i INNER JOIN 
        sys.partitions p ON i.object_id = p.OBJECT_ID AND i.index_id = p.index_id INNER JOIN 
         sys.allocation_units a ON p.partition_id = a.container_id
WHERE 
    i.OBJECT_ID > 255 
GROUP BY 
    i.object_id,
    p.rows
)

SELECT 
    t.NAME AS TableName,
    fs.RowCounts,
    fs.TotalSpaceKb,
    t.create_date,
    t.modify_date,
    ( select COUNT(1)
        from sys.columns c 
        where c.object_id = t.object_id ) TotalColumns    
FROM 
    sys.tables t INNER JOIN      
    fs  ON t.OBJECT_ID = fs.object_id
WHERE 
    t.NAME NOT LIKE 'dt%' 
    AND t.is_ms_shipped = 0
ORDER BY 
    t.Name

You can USE PyPDF2 package

#install pyDF2
pip install PyPDF2

# importing all the required modules
import PyPDF2

# creating an object 
file = open('example.pdf', 'rb')

# creating a pdf reader object
fileReader = PyPDF2.PdfFileReader(file)

# print the number of pages in pdf file
print(fileReader.numPages)

Follow this Documentation http://pythonhosted.org/PyPDF2/

I had the same problem and I solved it installing both crystal Report Runtime 32 and 64 bit both version

If you only want to return a blank when B2 is blank you can use an additional IF function for that scenario specifically, i.e.

=IF(B2="","",VLOOKUP(B2,Index!A1:B12,2,FALSE))

or to return a blank with any error from the VLOOKUP (e.g. including if B2 is populated but that value isn't found by the VLOOKUP) you can use IFERROR function if you have Excel 2007 or later, i.e.

=IFERROR(VLOOKUP(B2,Index!A1:B12,2,FALSE),"")

in earlier versions you need to repeat the VLOOKUP, e.g.

=IF(ISNA(VLOOKUP(B2,Index!A1:B12,2,FALSE)),"",VLOOKUP(B2,Index!A1:B12,2,FALSE))

Using this code you can get the notification in background/foreground and also put action:

//Data should come in this format from the notification
{
  "to": "/xyz/Notifications",
  "data": {
      "key1": "title notification",
      "key2": "description notification"
  }
}

In-App use this code:

  @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        super.onMessageReceived(remoteMessage);
      String key1Data = remoteMessage.getData().get("key1");
      // use key1Data to according to your need
    }

var arr = [ {"id":"10", "class": "child-of-9"}, {"id":"11", "class": "child-of-10"}];
    
for (var i = 0; i < arr.length; i++){
  document.write("<br><br>array index: " + i);
  var obj = arr[i];
  for (var key in obj){
    var value = obj[key];
    document.write("<br> - " + key + ": " + value);
  }
}

note: the for-in method is cool for simple objects. Not very smart to use with DOM object.

Steps to do it on PgAdmin:

• CREATE SEQUENCE sequnence_title START 1; // if table exist last id
• Add this sequense to the primary key, table - properties - columns - column_id(primary key) edit - Constraints - Add nextval('sequnence_title'::regclass) to the field default.

On Android Studio

Open the AVD Manager.

Click Edit Icon to edit the AVD.

Click Show Advanced settings.

Change the Internal Storage, Ram, SD Card size as necessary. Click Finish.

Confirm the popup by clicking yes.

Wipe Data on the AVD and confirm the popup by clicking yes.

Important: After increasing the size, if it doesn't automatically ask you to wipe data, you have to do it manually by opening the AVD's pull-down menu and choosing Wipe Data.

Now start and use your Emulator with increased storage.

Here's another variation using list comprehension:

original_d = {'a': None, 'b': 'Some'}
d = dict((k,v) for k, v in original_d.iteritems() if v)
# result should be {'b': 'Some'}

The approach is based on an answer from this post: Efficient way to remove keys with empty strings from a dict

public   static   T[]   SubArray<T>(T[] data, int index, int length)
        {
            List<T> retVal = new List<T>();
            if (data == null || data.Length == 0)
                return retVal.ToArray();
            bool startRead = false;
            int count = 0;
            for (int i = 0; i < data.Length; i++)
            {
                if (i == index && !startRead)
                    startRead = true;
                if (startRead)
                {

                    retVal.Add(data[i]);
                    count++;

                    if (count == length)
                        break;
                }
            }
            return retVal.ToArray();
        }

The command prompt wouldn't use JAVA_HOME to find javac.exe, it would use PATH.

Use this code for read file with all type of extension file.

string[] sDirectoryInfo = Directory.GetFiles(SourcePath, "*.*");

I had this issue for 2 days, let me show you how I fixed it.

This was how the code looked when I was getting the error:

request.onload = function() {
    // This is where we begin accessing the Json
    let data = JSON.parse(this.response);
    console.log(data)
}

This is what I changed to get the result I wanted:

request.onload = function() {
    // This is where we begin accessing the Json
    let data = JSON.parse(this.responseText);
    console.log(data)
}

So all I really did was change this.response to this.responseText.

Maybe like this:

list('abcdefgh') # ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']

You're way off track here.

You already have a nice, big error message. Why on Earth would you want to write code that checks $? explicitly after every single command? This is enormously cumbersome and error prone. The correct solution is stop checking $?.

Instead, use PowerShell's built in mechanism to blow up for you. You enable it by setting the error preference to the highest level:

$ErrorActionPreference = 'Stop'

I put this at the top of every single script I ever write, and now I don't have to check $?. This makes my code vastly simpler and more reliable.

If you run into situations where you really need to disable this behavior, you can either catch the error or pass a setting to a particular function using the common -ErrorAction. In your case, you probably want your process to stop on the first error, catch the error, and then log it.

Do note that this doesn't handle the case when external executables fail (exit code nonzero, conventionally), so you do still need to check $LASTEXITCODE if you invoke any. Despite this limitation, the setting still saves a lot of code and effort.

Additional reliability

You might also want to consider using strict mode:

Set-StrictMode -Version Latest

This prevents PowerShell from silently proceeding when you use a non-existent variable and in other weird situations. (See the -Version parameter for details about what it restricts.)

Combining these two settings makes PowerShell much more of fail-fast language, which makes programming in it vastly easier.

to set unlimited number of rows use

None

i.e.,

pd.set_option('display.max_cols', None)

now the notebook will display all the rows in all datasets within the notebook ;)

Similarly you can set to show all columns as

pd.set_option('display.max_rows', None)

now if you use run the cell with only dataframe with out any head or tail tags as

df

then it will show all the rows and columns in the dataframe df

(Sorry I can't comment just yet, otherwise I would)

To add to Christian's answer you might consider using json_encode and json_decode instead of serialize and unserialize to keep you safe. See a warning from the PHP man page:

Warning

Do not pass untrusted user input to unserialize(). Unserialization can result in code being loaded and executed due to object instantiation and autoloading, and a malicious user may be able to exploit this. Use a safe, standard data interchange format such as JSON (via json_decode() and json_encode()) if you need to pass serialized data to the user.

So your final solution might have the following:

$file = '/tmp/file';
$content = json_encode($my_variable);
file_put_contents($file, $content);
$content = json_decode(file_get_contents($file), TRUE);

"dependencies": {
  "some-package": "github:github_username/some-package"
}

or just

"dependencies": {
  "some-package": "github_username/some-package"
}

https://docs.npmjs.com/files/package.json#github-urls

A more modern version of kaiido's answer using fetch would be:

function toObjectUrl(url) {
  return fetch(url)
      .then((response)=> {
        return response.blob();
      })
      .then(blob=> {
        return URL.createObjectURL(blob);
      });
}

https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch

Edit: As pointed out in the comments this will return an object url which points to a file in your local system instead of an actual DataURL so depending on your use case this might not be what you need.

You can look at the following answer to use fetch and an actual dataURL: https://stackoverflow.com/a/50463054/599602

This stores 5 alphanumeric characters in variable c.

for(var c = ''; c.length < 5;) c += Math.random().toString(36).substr(2, 1)

As you can see in the below source code, BeanUtils.copyProperties internally uses reflection and there's additional internal cache lookup steps as well which is going to add cost wrt performance

 private static void copyProperties(Object source, Object target, @Nullable Class<?> editable,
                @Nullable String... ignoreProperties) throws BeansException {

            Assert.notNull(source, "Source must not be null");
            Assert.notNull(target, "Target must not be null");

            Class<?> actualEditable = target.getClass();
            if (editable != null) {
                if (!editable.isInstance(target)) {
                    throw new IllegalArgumentException("Target class [" + target.getClass().getName() +
                            "] not assignable to Editable class [" + editable.getName() + "]");
                }
                actualEditable = editable;
            }
            **PropertyDescriptor[] targetPds = getPropertyDescriptors(actualEditable);**
            List<String> ignoreList = (ignoreProperties != null ? Arrays.asList(ignoreProperties) : null);

            for (PropertyDescriptor targetPd : targetPds) {
                Method writeMethod = targetPd.getWriteMethod();
                if (writeMethod != null && (ignoreList == null || !ignoreList.contains(targetPd.getName()))) {
                    PropertyDescriptor sourcePd = getPropertyDescriptor(source.getClass(), targetPd.getName());
                    if (sourcePd != null) {
                        Method readMethod = sourcePd.getReadMethod();
                        if (readMethod != null &&
                                ClassUtils.isAssignable(writeMethod.getParameterTypes()[0], readMethod.getReturnType())) {
                            try {
                                if (!Modifier.isPublic(readMethod.getDeclaringClass().getModifiers())) {
                                    readMethod.setAccessible(true);
                                }
                                Object value = readMethod.invoke(source);
                                if (!Modifier.isPublic(writeMethod.getDeclaringClass().getModifiers())) {
                                    writeMethod.setAccessible(true);
                                }
                                writeMethod.invoke(target, value);
                            }
                            catch (Throwable ex) {
                                throw new FatalBeanException(
                                        "Could not copy property '" + targetPd.getName() + "' from source to target", ex);
                            }
                        }
                    }
                }
            }
        }

So it's better to use plain setters given the cost reflection

This happens when Maven tries to run your test cases while building the jar. You can simply skip running the test cases by adding -DskipTests at the end of your maven command.

Ex: mvn clean install -DskipTests or mvn clean package -DskipTests

The other difference between divide and conquer and dynamic programming could be:

Divide and conquer:

1. Does more work on the sub-problems and hence has more time consumption.
2. In divide and conquer the sub-problems are independent of each other.

Dynamic programming:

1. Solves the sub-problems only once and then stores it in the table.
2. In dynamic programming the sub-problem are not independent.

public void expand(final View v) {
        ScaleAnimation scaleAnimation = new ScaleAnimation(1, 1, 1, 0, 0, 0);
        scaleAnimation.setDuration(250);
        scaleAnimation.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                v.setVisibility(View.INVISIBLE);
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });
        v.startAnimation(scaleAnimation);
    }

    public void collapse(final View v) {
        ScaleAnimation scaleAnimation = new ScaleAnimation(1, 1, 0, 1, 0, 0);
        scaleAnimation.setDuration(250);
        scaleAnimation.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                v.setVisibility(View.VISIBLE);
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });
        v.startAnimation(scaleAnimation);
    }

You can try to hide characters using html entities in hexa (ex: &#x40 for @). This is convenient solution, as a correct browser will translate it, and you can have a normal link. The drawback is that a bot can translate it theorically, but it's a bit unusual. I use this to protect my e-mail on my blog.

Another solution is to use javascript to assemble part of the address and to decode on-the-fly the address. The drawback is that a javascript-disabled browser won't show your adress.

The most effective solution is to use an image, but it's a pain for the user to have to copy the address by hand.

Your solution is pretty good, as you only add a drawback (writing manually the @) only for user that have javascript disabled. You can also be more secure with :

onclick="this.href='mailto:' + 'admin' + '@' + 'domain.com'"

Also note that if you want to apply an instance method to an array, you need to pass the function as:

call_user_func_array(array($instance, "MethodName"), $myArgs);

Hexyl formats nicely: sudo apt install hexyl

You can stash your local changes first, then pull, then pop the stash.

git stash
git pull origin master
git stash pop

Anything that overrides changes from remote will have conflicts which you will have to manually resolve.

The only reason that the linter complains about using setState({..}) in componentDidMount and componentDidUpdate is that when the component render the setState immediately causes the component to re-render. But the most important thing to note: using it inside these component's lifecycles is not an anti-pattern in React.

Please take a look at this issue. you will understand more about this topic. Thanks for reading my answer.

Try this, you can parse nested JSON

public static String getJsonValue(String jsonReq, String key) {
        JSONObject json = new JSONObject(jsonReq);
        boolean exists = json.has(key);
        Iterator<?> keys;
        String nextKeys;
        String val = "";
        if (!exists) {
            keys = json.keys();
            while (keys.hasNext()) {
                nextKeys = (String) keys.next();
                try {
                    if (json.get(nextKeys) instanceof JSONObject) {
                        return getJsonValue(json.getJSONObject(nextKeys).toString(), key);
                    } else if (json.get(nextKeys) instanceof JSONArray) {
                        JSONArray jsonArray = json.getJSONArray(nextKeys);
                        int i = 0;
                        if (i < jsonArray.length()) do {
                            String jsonArrayString = jsonArray.get(i).toString();
                            JSONObject innerJson = new JSONObject(jsonArrayString);
                            return getJsonValue(innerJson.toString(),key);
                        } while (i < jsonArray.length());
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        } else {
            val = json.get(key).toString();
        }
        return val;
    }

Import-Csv C:\test.csv |
Foreach-Object {
  NET USER    $ _.username   $ _.password /ADD
  NET LOCALGROUP "group" $_.username  /ADD
}

edit csv as username,password and change "group" for your groupname

:) worked on 2012 R2

i use Mac and i deleted ADT bundle source. faced the same error so i went to project > clean and adb ran normally.

Delete your source tree that was gunzipped or gzipped and extracted to folder and reextract again. Supply your options again

./configure --with-option=/path/etc ...

Then if all libs are present, your make should succeed.

One more trick is to disable automatic builds.

You can produce the javascript file via PHP. Nothing says a javascript file must have a .js extention. For example in your HTML:

<script src='javascript.php'></script>

Then your script file:

<?php header("Content-type: application/javascript"); ?>

$(function() {
    $( "#progressbar" ).progressbar({
        value: <?php echo $_SESSION['value'] ?>
    });

    // ... more javascript ...

If this particular method isn't an option, you could put an AJAX request in your javascript file, and have the data returned as JSON from the server side script.

This has happened to me several times migrating from Apache 2.2.

What I have found is that there is an Order,Deny that I missed with VIM's Search feature somehow that is the default main Vhost, line 379. Hope this helps someone. I commented out the Order Deny,Allow and Deny from All and it worked!

You can Use the following function in you code directly,

    function artoxml($arr, $i=1,$flag=false){
    $sp = "";
    for($j=0;$j<=$i;$j++){
        $sp.=" ";
     }
    foreach($arr as $key=>$val){
        echo "$sp&lt;".$key."&gt;";
        if($i==1) echo "\n";
        if(is_array($val)){
            if(!$flag){echo"\n";}
            artoxml($val,$i+5);
            echo "$sp&lt;/".$key."&gt;\n";
        }else{
              echo "$val"."&lt;/".$key."&gt;\n";
         }
    }

}

Call the function with first argument as your array and the second argument must be 1, this will be increased for perfect indentation, and third must be true.

for example, if the array variable to be converted is $array1 then, calling would be, the calling function should be encapsulated with <pre> tag.

  artoxml($array1,1,true);   

Please see the page source after executing the file, because the < and > symbols won't be displayed in a html page.

Something that has worked for me in the past was to determine the offset (in milliseconds) between the user's timezone and GMT. Once you have the offset, you can simply add/subtract (depending on which way the conversion is going) to get the appropriate time in either timezone. I would usually accomplish this by setting the milliseconds field of a Calendar object, but I'm sure you could easily apply it to a timestamp object. Here's the code I use to get the offset

int offset = TimeZone.getTimeZone(timezoneId).getRawOffset();

timezoneId is the id of the user's timezone (such as EST).

DISTINCT: will gives you unique values.

SELECT GROUP_CONCAT(DISTINCT(categories )) AS categories FROM table

Your original string, a = 'a\\nb' does not actually have two '\' characters, the first one is an escape for the latter. If you do, print a, you'll see that you actually have only one '\' character.

>>> a = 'a\\nb'
>>> print a
a\nb

If, however, what you mean is to interpret the '\n' as a newline character, without escaping the slash, then:

>>> b = a.replace('\\n', '\n')
>>> b
'a\nb'
>>> print b
a
b

TRY THIS:

StringVariable=ByteVariable.decode('UTF-8','ignore')

TO TEST TYPE:

print(type(StringVariable))

Here 'StringVariable' represented as a string. 'ByteVariable' represent as Byte. Its not relevent to question Variables..

this fails:

 DECLARE @vPortalUID NVARCHAR(32)
 SET @vPortalUID='2A66057D-F4E5-4E2B-B2F1-38C51A96D385'
 DECLARE @nPortalUID AS UNIQUEIDENTIFIER
 SET @nPortalUID = CAST(@vPortalUID AS uniqueidentifier)
 PRINT @nPortalUID

this works

 DECLARE @vPortalUID NVARCHAR(36)
 SET @vPortalUID='2A66057D-F4E5-4E2B-B2F1-38C51A96D385'
 DECLARE @nPortalUID AS UNIQUEIDENTIFIER
 SET @nPortalUID = CAST(@vPortalUID AS UNIQUEIDENTIFIER)
 PRINT @nPortalUID

the difference is NVARCHAR(36), your input parameter is too small!

i got this error when trying to commit some files, only it was a file/folder that didn't exist in my working copy. I REALLY didn't want to go through the hassle of moving the files and rechecking out, in the end, i ended up editing the .svn/entries file and removed the offending directory reference.

The book HTML5 Guidelines for Web Developers: Structure and Semantics for Documents suggested this way (option 1):

<aside id="sidebar">
    <section id="widget_1"></section>
    <section id="widget_2"></section>
    <section id="widget_3"></section>
</aside>

It also points out that you can use sections in the footer. So section can be used outside of the actual page content.

Just to expand on and improve some of the above answers:

First, I'll check the mkdir man page for GNU Coreutils 8.26 -- it gives us this information about the option '-m' and '-p' (can also be given as --mode=MODE and --parents, respectively):

...set[s] file mode (as in chmod), not a=rwx - umask

...no error if existing, make parent directories as needed

The statements are vague and unclear in my opinion. But basically, it says that you can make the directory with permissions specified by "chmod numeric notation" (octals) or you can go "the other way" and use a/your umask.

Side note: I say "the other way" since the umask value is actually exactly what it sounds like -- a mask, hiding/removing permissions rather than "granting" them as with chmod's numeric octal notation.

You can execute the shell-builtin command umask to see what your 3-digit umask is; for me, it's 022. This means that when I execute mkdir yodirectory in a given folder (say, mahome) and stat it, I'll get some output resembling this:

               755                   richard:richard         /mahome/yodirectory
 #          permissions                 user:group      what I just made (yodirectory),
 # (owner,group,others--in that order)                 where I made it (i.e. in mahome)
 # 

Now, to add just a tiny bit more about those octal permissions. When you make a directory, "your system" take your default directory perms' [which applies for new directories (its value should 777)] and slaps on yo(u)mask, effectively hiding some of those perms'. My umask is 022--now if we "subtract" 022 from 777 (technically subtracting is an oversimplification and not always correct - we are actually turning off perms or masking them)...we get 755 as stated (or "statted") earlier.

We can omit the '0' in front of the 3-digit octal (so they don't have to be 4 digits) since in our case we didn't want (or rather didn't mention) any sticky bits, setuids or setgids (you might want to look into those, btw, they might be useful since you are going 777). So in other words, 0777 implies (or is equivalent to) 777 (but 777 isn't necessarily equivalent to 0777--since 777 only specifies the permissions, not the setuids, setgids, etc.)

Now, to apply this to your question in a broader sense--you have (already) got a few options. All the answers above work (at least according to my coreutils). But you may (or are pretty likely to) run into problems with the above solutions when you want to create subdirectories (nested directories) with 777 permissions all at once. Specifically, if I do the following in mahome with a umask of 022:

mkdir -m 777 -p yodirectory/yostuff/mastuffinyostuff
# OR (you can swap 777 for 0777 if you so desire, outcome will be the same)
install -d -m 777 -p yodirectory/yostuff/mastuffinyostuff

I will get perms 755 for both yodirectory and yostuff, with only 777 perms for mastuffinyostuff. So it appears that the umask is all that's slapped on yodirectory and yostuff...to get around this we can use a subshell:

( umask 000 && mkdir -p yodirectory/yostuff/mastuffinyostuff )

and that's it. 777 perms for yostuff, mastuffinyostuff, and yodirectory.

Like that

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

or even easier

var purchCount = myBlaContext.purchases.Count()

The keyword "Selection" is already a vba Range object so you can use it directly, and you don't have to select cells to copy, for example you can be on Sheet1 and issue these commands:

ThisWorkbook.worksheets("sheet2").Range("namedRange_or_address").Copy
ThisWorkbook.worksheets("sheet1").Range("namedRange_or_address").Paste

If it is a multiple selection you should use the Area object in a for loop:

Dim a as Range
For Each a in ActiveSheet.Selection.Areas
    a.Copy
    ThisWorkbook.worksheets("sheet2").Range("A1").Paste
Next

Regards

Thomas

l = [1,2,3,4,5]
sum = 0
for x in l:
    sum = sum + x

And you can change l for any list you want.

It can be useful to someone that uses a different system that does not have that library readily available. If that is not declared and you have some functions in your script that are not supported by that system, you should declare #/bin/bash. I've ran into this problem before at work and now I just include it as a practice.

Sometimes you need to apply a function to the members of a list in place. The following code worked for me:

>>> def func(a, i):
...     a[i] = a[i].lower()
>>> a = ['TEST', 'TEXT']
>>> list(map(lambda i:func(a, i), range(0, len(a))))
[None, None]
>>> print(a)
['test', 'text']

Please note, the output of map() is passed to the list constructor to ensure the list is converted in Python 3. The returned list filled with None values should be ignored, since our purpose was to convert list a in place

You have a few options:

• Release an update for your app that uses a different hostname that isn't in anyone's cache.
• Same thing, but using the IP address of your server
• Have your users go into settings -> applications -> Network Location -> Clear data.

You may want to check that last step because i don't know for a fact that this is the appropriate service. I can't really test that right now. Good luck!

I'm 99% sure that RollingFileAppender/DailyRollingFileAppender, while it gives you the date-rolling functionality you want, doesn't have any way to specify that the current log file should use the DatePattern as well.

You might just be able to simply subclass RollingFileAppender (or DailyRollingFileAppender, I forget which is which in log4net) and modify the naming logic.

It is apparently possible to manually install offline voice recognition by downloading the files directly and installing them in the right locations manually. I guess this is just a way to bypass Google hardware requirements. However, personally I didn't have to reboot or anything, simply changing to UK and back again did it.

I must cautiously doubt the previously accepted answer that using a DialogFragment is the best option. The intended (primary) purpose of the DialogFragment seems to be to display fragments that are dialogs themselves, not to display fragments that have dialogs to display.

I believe that using the fragment's activity to mediate between the dialog and the fragment is the preferable option.

I find the quickest and easiest way to work with a PHP array in Javascript is to do this:

PHP:

$php_arr = array('a','b','c','d');

Javascript:

//this gives me a JSON object
js_arr = '<?php echo JSON_encode($php_arr);?>';


//Depending on what I use it for I sometimes parse the json so I can work with a straight forward array:
js_arr = JSON.parse('<?php echo JSON_encode($php_arr);?>');

A matrix is really just a vector with a dim attribute (for the dimensions). So you can add dimensions to vec using the dim() function and vec will then be a matrix:

vec <- 1:49
dim(vec) <- c(7, 7)  ## (rows, cols)
vec

> vec <- 1:49
> dim(vec) <- c(7, 7)  ## (rows, cols)
> vec
     [,1] [,2] [,3] [,4] [,5] [,6] [,7]
[1,]    1    8   15   22   29   36   43
[2,]    2    9   16   23   30   37   44
[3,]    3   10   17   24   31   38   45
[4,]    4   11   18   25   32   39   46
[5,]    5   12   19   26   33   40   47
[6,]    6   13   20   27   34   41   48
[7,]    7   14   21   28   35   42   49

You can use the decompose method in bs4:

soup = bs4.BeautifulSoup('<body><a href="http://example.com/">I linked to <i>example.com</i></a></body>')

for a in soup.find('a').children:
    if isinstance(a,bs4.element.Tag):
        a.decompose()

print soup

Out: <html><body><a href="http://example.com/">I linked to </a></body></html>

As a workaround, There is a Kotlin stdlib function that can be used in a nice way and fully compatible with Java's String format (it's only a wrapper around Java's String.format())

See Kotlin's documentation

Your code would be:

val pi = 3.14159265358979323
val s = "pi = %.2f".format(pi)

_textField .keyboardType = UIKeyboardTypeAlphabet;
_textField .keyboardType = UIKeyboardTypeASCIICapable;
_textField .keyboardType = UIKeyboardTypeDecimalPad;
_textField .keyboardType = UIKeyboardTypeDefault;
_textField .keyboardType = UIKeyboardTypeEmailAddress;
_textField .keyboardType = UIKeyboardTypeNamePhonePad;
_textField .keyboardType = UIKeyboardTypeNumberPad;
_textField .keyboardType = UIKeyboardTypeNumbersAndPunctuation;
_textField .keyboardType = UIKeyboardTypePhonePad;
_textField .keyboardType = UIKeyboardTypeTwitter;
_textField .keyboardType = UIKeyboardTypeURL;
_textField .keyboardType = UIKeyboardTypeWebSearch;

Wont the below basic approach doesn't suffice your requirements?

HTML Code having a div

<div id="mydiv" onscroll='myMethod();'>

JS will have below code

function myMethod(){ alert(1); }

When you use JSON stringify then use html_entity_decode first before json_decode.

$tempData = html_entity_decode($tempData);
$cleanData = json_decode($tempData);

You can find the latest features of the .NET Framework 4.5 beta here

It breaks down the changes to the framework in the following categories:

• .NET for Metro style Apps
• Portable Class Libraries
• Core New Features and Improvements
• Parallel Computing
• Web
• Networking
• Windows Presentation Foundation (WPF)
• Windows Communication Foundation (WCF)
• Windows Workflow Foundation (WF)

You sound like you are more interested in the Web section as this shows the changes to ASP.NET 4.5. The rest of the changes can be found under the other headings.

You can also see some of the features that were new when the .NET Framework 4.0 was shipped here.

Type the command mvn -version directly in your maven directory, you probably haven't added it to your PATH. Here are explained details of how to add maven to your PATH variable (I guess you use Windows because you are talking about CMD).

So for people who want semantics similar to:

$ chmod 755 somefile

Use:

$ python -c "import os; os.chmod('somefile', 0o755)"

If your Python is older than 2.6:

$ python -c "import os; os.chmod('somefile', 0755)"

Try with keyListener in your textfield

jTextField.addKeyListener(new KeyListener() {

        @Override
        public void keyTyped(KeyEvent e) {
        }

        @Override
        public void keyPressed(KeyEvent e) {
            if (text.getText().length() >= 1) {
                button.setEnabled(true);
            } else {
                button.setEnabled(false);
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
        }

    });

As other answers detail, this is a bug in the JDK (up to u45) which will be fixed in JDK7u60 - while this is not out yet, you may download the b01 from: https://jdk7.java.net/download.html

It's beta, but fixed that issue for me.

Best practice: one form per product is definitely the way to go.

Benefits:

• It will save you the hassle of having to parse the data to figure out which product was clicked
• It will reduce the size of data being posted

In your specific situation

If you only ever intend to have one form element, in this case a submit button, one form for all should work just fine.

My recommendation Do one form per product, and change your markup to something like:

<form method="post" action="">
    <input type="hidden" name="product_id" value="123">
    <button type="submit" name="action" value="add_to_cart">Add to Cart</button>
</form>

This will give you a much cleaner and usable POST. No parsing. And it will allow you to add more parameters in the future (size, color, quantity, etc).

Note: There's no technical benefit to using <button> vs. <input>, but as a programmer I find it cooler to work with action=='add_to_cart' than action=='Add to Cart'. Besides, I hate mixing presentation with logic. If one day you decide that it makes more sense for the button to say "Add" or if you want to use different languages, you could do so freely without having to worry about your back-end code.

dex file is a file that is executed on the Dalvik VM.

Dalvik VM includes several features for performance optimization, verification, and monitoring, one of which is Dalvik Executable (DEX).

Java source code is compiled by the Java compiler into .class files. Then the dx (dexer) tool, part of the Android SDK processes the .class files into a file format called DEX that contains Dalvik byte code. The dx tool eliminates all the redundant information that is present in the classes. In DEX all the classes of the application are packed into one file. The following table provides comparison between code sizes for JVM jar files and the files processed by the dex tool.

The table compares code sizes for system libraries, web browser applications, and a general purpose application (alarm clock app). In all cases dex tool reduced size of the code by more than 50%.

In standard Java environments each class in Java code results in one .class file. That means, if the Java source code file has one public class and two anonymous classes, let’s say for event handling, then the java compiler will create total three .class files.

The compilation step is same on the Android platform, thus resulting in multiple .class files. But after .class files are generated, the “dx” tool is used to convert all .class files into a single .dex, or Dalvik Executable, file. It is the .dex file that is executed on the Dalvik VM. The .dex file has been optimized for memory usage and the design is primarily driven by sharing of data.

For Files - svn revert filename

For Folders - svn revert -R folder

If you are in a directory or folder where the script file is available then simply change the file permission in executable mode by doing

chmod +x your_filename.sh

After that you will run the script by using the following command.

$ sudo ./your_filename.sh

Above the "." represent the current directory. Note! If you are not in the directory where the bash script file is present then you change the directory where the file is located by using

cd Directory_name/write the complete path

command. Otherwise your script can not run.

We can use data.table to get it quickly. First create df without factors,

df <- data.frame(list(A=c("","xyz","jkl"), B=c(12,"",100)), stringsAsFactors=F)

Now you can use

setDT(df)
for (jj in 1:ncol(df)) set(df, i = which(df[[jj]]==""), j = jj, v = NA)

and you can convert it back to a data.frame

setDF(df)

If you only want to use data.frame and keep factors it's more difficult, you need to work with

levels(df$value)[levels(df$value)==""] <- NA

where value is the name of every column. You need to insert it in a loop.

Adding the following method to your repository should allow you to call $repo->getCourseCount() from your Controller.

/**
 * @return array
 */
public function getCourseCount()
{
    $qb = $this->getEntityManager()->createQueryBuilder();

    $qb
        ->select('count(course.id)')
        ->from('CRMPicco\Component\Course\Model\Course', 'course')
    ;

    $query = $qb->getQuery();

    return $query->getSingleScalarResult();
}

Google, as of now, cannot open w/out saving. As a workaround, I use IE Tab from the Chrome Store. It is an extension that runs IE - which does allow opening w/ out saving- inside of the Chrome browser application.

Not the best solution, but it's an effective "patch" for now.

function update() {
  $("#notice_div").html('Loading..'); 
  $.ajax({
    type: 'GET',
    url: 'jbede.php',
    timeout: 2000,
    success: function(data) {
      $("#some_div").html(data);
      $("#notice_div").html(''); 
      window.setTimeout(update, 10000);
    },
    error: function (XMLHttpRequest, textStatus, errorThrown) {
      $("#notice_div").html('Timeout contacting server..');
      window.setTimeout(update, 60000);
    }
});
}
$(document).ready(function() {
    update();
});

This is Better Code

Try android:scrollbarAlwaysDrawVerticalTrack="true" for vertical. and Try android:scrollbarAlwaysDrawHorizontalTrack="true" for horizontal

In my case (ASP.NET MVC 4 application), the Global.asax file was missing. It was appearing in Solution explorer with an exclamation mark. I replaced it and the error went away.

You are trying to index into a scalar (non-iterable) value:

[y[1] for y in y_test]
#  ^ this is the problem

When you call [y for y in test] you are iterating over the values already, so you get a single value in y.

Your code is the same as trying to do the following:

y_test = [1, 2, 3]
y = y_test[0] # y = 1
print(y[0]) # this line will fail

I'm not sure what you're trying to get into your results array, but you need to get rid of [y[1] for y in y_test].

If you want to append each y in y_test to results, you'll need to expand your list comprehension out further to something like this:

[results.append(..., y) for y in y_test]

Or just use a for loop:

for y in y_test:
    results.append(..., y)

You can access to the properties you want passing an argument to your callback function (like evt), and then accessing the files with it (evt.target.files[0].name) :

$("document").ready(function(){
  $("main").append('<input type="file" name="photo" id="upload-photo"/>');
  $('#upload-photo').on('change',function(evt) {
    alert(evt.target.files[0].name);
  });
});

I use this function to indent my output (for example to print a tree structure). The indent is the number of spaces before the string.

void print_with_indent(int indent, char * string)
{
    printf("%*s%s", indent, "", string);
}

There are also these 'ways':

>>> dict.fromkeys(range(1, 4))
{1: None, 2: None, 3: None}
>>> dict(zip(range(1, 4), range(1, 4)))
{1: 1, 2: 2, 3: 3}

Another tip to remember: Since v7.0 OpenSSH disables DSS/DSA SSH keys by default due to their inherit weakness. So if you have OpenSSH v7.0+, make sure your key is not ssh-dss.

If you are stuck with DSA keys, you can re-enable support locally by updating your sshd_config and ~/.ssh/config files with lines like so: PubkeyAcceptedKeyTypes=+ssh-dss

Button inputs don't have a submit event. Try attaching the event handler to the form instead:

<script type="text/javascript">
     $('#login_form').submit(function() {
       $('#gif').show(); 
       return true;
     });
 </script>

One of the possible reasons is when you load jQuery TWICE ,like:

<script src='..../jquery.js'></script>
....
....
....
....
....
<script src='......./jquery.js'></script>

So, check your source code and remove duplicate jQuery load.

ArrayList<String> arrayList = new ArrayList<String>();
Object[] objectList = arrayList.toArray();
String[] stringArray =  Arrays.copyOf(objectList,objectList.length,String[].class);

Using copyOf, ArrayList to arrays might be done also.

There is a constructor accepting two pointer parameters, so the code is simply

 std::string cppstr(cstr, cstr + min(max_length, strlen(cstr)));

this is also going to be as efficient as std::string cppstr(cstr) if the length is smaller than max_length.

Please try this

    <input type="button" value="Home" class="homebutton" id="btnHome" onClick="Javascript:window.location.href = 'http://www.website.com/index.php';" />

window.location.href example:

 window.location.href = 'http://www.google.com'; //Will take you to Google.

window.open() example:

     window.open('http://www.google.com'); //This will open Google in a new window.

the time signal is not built into network antennas: you have to use the NTP protocol in order to retrieve the time on a ntp server. there are plenty of ntp clients, available as standalone executables or libraries.

the gps signal does indeed include a precise time signal, which is available with any "fix".

however, if nor the network, nor the gps are available, your only choice is to resort on the time of the phone... your best solution would be to use a system wide setting to synchronize automatically the phone time to the gps or ntp time, then always use the time of the phone.

note that the phone time, if synchronized regularly, should not differ much from the gps or ntp time. also note that forcing a user to synchronize its time may be intrusive, you 'd better ask your user if he accepts synchronizing. at last, are you sure you absolutely need a time that precise ?

If you have already migrated to androidx, you should change your layout xml from

<android.support.design.widget.NavigationView ... />

to

<com.google.android.material.navigation.NavigationView ... />

below answer support api level below and above 10

 if (Build.VERSION.SDK_INT >= 11) {
            Point size = new Point();
            try {
                this.getWindowManager().getDefaultDisplay().getRealSize(size);
                screenWidth = size.x;
                screenHeight = size.y;
            } catch (NoSuchMethodError e) {
                 screenHeight = this.getWindowManager().getDefaultDisplay().getHeight();
                 screenWidth=this.getWindowManager().getDefaultDisplay().getWidth();
            }

        } else {
            DisplayMetrics metrics = new DisplayMetrics();
            this.getWindowManager().getDefaultDisplay().getMetrics(metrics);
            screenWidth = metrics.widthPixels;
            screenHeight = metrics.heightPixels;
        }

I'm a few years late, but why not this?

[Tt][Ee][Ss][Tt]

In my case Xcode was not accessing certificates from the keychain, I followed these steps:

1. delete certificates from the keychain.
2. restart the mac.
3. generate new certificates.
4. install new certificates.
5. clean build folder.
6. build project.
7. again clean build folder.
8. archive now. It works That's it.

function chgAction( action_name )
{
    if( action_name=="aaa" ) {
        document.search-theme-form.action = "/AAA";
    }
    else if( action_name=="bbb" ) {
        document.search-theme-form.action = "/BBB";
    }
    else if( action_name=="ccc" ) {
        document.search-theme-form.action = "/CCC";
    }
}

And your form needs to have name in this case:

<form action="/"  accept-charset="UTF-8" method="post" name="search-theme-form" id="search-theme-form">

Make sure the value that you are inserting into the foreign key exists in the parent table. That helped me. For example if you insert user_id = 2 into table.2, but table.1 does not have a user_id = 2, then the constraint will throw an error. Mine was error code #1452 to be exact. Hope this helps anyone else with the same problem!

!members.find()

I think now the best way to solve this issue is code above. It works since Groovy 1.8.1 http://docs.groovy-lang.org/docs/next/html/groovy-jdk/java/util/Collection.html#find(). Examples:

def lst1 = []
assert !lst1.find()

def lst2 = [null]
assert !lst2.find()

def lst3 = [null,2,null]
assert lst3.find()

def lst4 = [null,null,null]
assert !lst4.find()

def lst5 = [null, 0, 0.0, false, '', [], 42, 43]
assert lst5.find() == 42

def lst6 = null; 
assert !lst6.find()

I don't think you can tell with the std::string class. However, if you really need this information, you could always derive a class from std::string and give the derived class the ability to tell if it had been changed since construction (or some other arbitrary time). Or better yet, just write a new class that wraps std::string since deriving from std::string may not be a good idea given the lack of a base class virtual destructor. That's probably more work, but more work tends to be needed for an optimal solution.

Of course, you can always just assume if it contains something other than "" then it has been "set", this won't detect it manually getting set to "" though.

However this answer is simple, infact very simple and yea many have mentioned it that simply put the id of image into the following link https://drive.google.com/uc?export=view&id={fileId}

But however easy that is, I made a script to run in the console. Feed in an array of complete sharable links from google drive and get them converted into the above link. Then they can be simply used as static addresses.

array = ['https://drive.google.com/open?id=0B8kNn6zsgGEtUE5FaGNtcEthNWc','https://drive.google.com/open?id=0B8kNn6zsgGEtM2traVppYkhsV2s','https://drive.google.com/open?id=0B8kNn6zsgGEtNHgzT2x0MThJUlE']_x000D_
_x000D_
function separateDriveImageId(arr) {_x000D_
for (n=0;n<arr.length;n++){_x000D_
_x000D_
str = arr[n]_x000D_
_x000D_
for(i=0;i<str.length;i++){_x000D_
if( str.charAt(i)== '=' ){_x000D_
var num = i+1;_x000D_
var extrctdStrng = str.substr(num)_x000D_
_x000D_
}_x000D_
}_x000D_
console.log('https://drive.google.com/uc?export=view&id='+extrctdStrng)_x000D_
window.open('https://drive.google.com/uc?export=view&id='+extrctdStrng,'_blank')_x000D_
}_x000D_
_x000D_
_x000D_
}_x000D_
separateDriveImageId(array)

There is no support for MapFragment, Android team says is working on it since Android 3.0. Here more information about the issue But what you can do it by creating a Fragment that returns a MapActivity. Here is a code example. Thanks to inazaruk:

How it works :

• MainFragmentActivity is the activity that extends FragmentActivity and hosts two MapFragments.
• MyMapActivity extends MapActivity and has MapView.
• LocalActivityManagerFragment hosts LocalActivityManager.
• MyMapFragment extends LocalActivityManagerFragment and with help of TabHost creates internal instance of MyMapActivity.

If you have any doubt please let me know

If you are newbie, welcome to Symfony2, an open-source project so if you want to learn a lot, you can open the source !

From "Form.php" :

getData() getNormData() getViewData()

You can find more details in this file.

time.time() may only give resolution to the second, the preferred approach for milliseconds is datetime.

from datetime import datetime
dt = datetime.now()
dt.microsecond

Unless you want to loop through the string and do it "manually" you could solve it like this:

yourString.replace("", " ").trim()

This replaces all "empty substrings" with a space, and then trims off the leading / trailing spaces.

ideone.com demonstration

An alternative solution using regular expressions:

yourString.replaceAll(".(?=.)", "$0 ")

Basically it says "Replace all characters (except the last one) with with the character itself followed by a space".

ideone.com demonstration

Documentation of...

• String.replaceAll (including the $0 syntax)
• The positive look ahead (i.e., the (?=.) syntax)

I've tried the other answers listed above, but they are very far from decent solutions when dealing with large files -- especially once a single line's size occupies more than ~1/4 of available RAM.

Both bash and awk slurp the entire line, even though for this problem it's not needed. Bash will error out once a line is too long, even if you have enough memory.

I've implemented an extremely simple, fairly unoptimized python script that when tested with large files (~4 GB per line) doesn't slurp, and is by far a better solution than those given.

If this is time critical code for production, you can rewrite the ideas in C or perform better optimizations on the read call (instead of only reading a single byte at a time), after testing that this is indeed a bottleneck.

Code assumes newline is a linefeed character, which is a good assumption for Unix, but YMMV on Mac OS/Windows. Be sure the file ends with a linefeed to ensure the last line character count isn't overlooked.

from sys import stdin, exit

counter = 0
while True:
    byte = stdin.buffer.read(1)
    counter += 1
    if not byte:
        exit()
    if byte == b'\x0a':
        print(counter-1)
        counter = 0

For me the tricky part was figuring out the transformation function between the two axis. I used myCurveFit for that.

> dput(combined_80_8192 %>% filter (time > 270, time < 280))
structure(list(run = c(268L, 268L, 268L, 268L, 268L, 268L, 268L, 
268L, 268L, 268L, 263L, 263L, 263L, 263L, 263L, 263L, 263L, 263L, 
263L, 263L, 269L, 269L, 269L, 269L, 269L, 269L, 269L, 269L, 269L, 
269L, 261L, 261L, 261L, 261L, 261L, 261L, 261L, 261L, 261L, 261L, 
267L, 267L, 267L, 267L, 267L, 267L, 267L, 267L, 267L, 267L, 265L, 
265L, 265L, 265L, 265L, 265L, 265L, 265L, 265L, 265L, 266L, 266L, 
266L, 266L, 266L, 266L, 266L, 266L, 266L, 266L, 262L, 262L, 262L, 
262L, 262L, 262L, 262L, 262L, 262L, 262L, 264L, 264L, 264L, 264L, 
264L, 264L, 264L, 264L, 264L, 264L, 260L, 260L, 260L, 260L, 260L, 
260L, 260L, 260L, 260L, 260L), repetition = c(8L, 8L, 8L, 8L, 
8L, 8L, 8L, 8L, 8L, 8L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 
9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 5L, 5L, 
5L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 6L, 6L, 6L, 6L, 6L, 6L, 6L, 6L, 
6L, 6L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 4L, 4L, 4L, 4L, 
4L, 4L, 4L, 4L, 4L, 4L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L
), module = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = "scenario.node[0].nicVLCTail.phyVLC", class = "factor"), 
    configname = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 
    1L, 1L), .Label = "Road-Vlc", class = "factor"), packetByteLength = c(8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 
    8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L, 8192L
    ), numVehicles = c(2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 
    2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L, 2L
    ), dDistance = c(80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 
    80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 
    80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 80L, 
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    0.00020004849911333, 1.9393279417733e-06, 5.9354475879597e-10, 
    6.4258355913627e-10, 2.6065221215415e-05), ookSnrBer = c(8.8808636558081e-24, 
    3.2219795637026e-27, 2.6468895519653e-28, 3.9807779074715e-20, 
    1.0849324265615e-15, 2.5705217057696e-05, 4.7313805615763e-08, 
    1.8800438086075e-12, 0.00021005320203921, 1.9147343768384e-06, 
    8.8808636558081e-24, 3.0694773489537e-27, 2.6468895519653e-28, 
    3.9807779074715e-20, 1.0849324265615e-15, 2.5705217057696e-05, 
    4.7223753038869e-08, 1.8800438086075e-12, 0.00021005320203921, 
    1.9171738578051e-06, 8.8229427230445e-24, 3.9715925056443e-27, 
    2.6045198111088e-28, 3.9014083702734e-20, 1.0342658440386e-15, 
    0.00019591630514278, 6.4692014108683e-08, 1.8600094209271e-12, 
    0.0002140067535655, 1.9074922485477e-06, 8.7096574467175e-24, 
    4.2779443633862e-27, 2.5231916788231e-28, 3.5761615214425e-20, 
    1.9750692814982e-12, 0.0001960392878411, 1.9748966344895e-06, 
    1.7515881895994e-12, 2.2078334799411e-06, 1.8649940680806e-06, 
    8.954486301678e-24, 3.2021085732779e-25, 2.690441113724e-28, 
    4.0627628846548e-20, 1.1134484878561e-15, 2.6061691733331e-05, 
    4.777159157954e-08, 9.4891388749738e-16, 0.00020359398491544, 
    1.9542110660398e-06, 8.8229427230445e-24, 3.9715925056443e-27, 
    2.6045198111088e-28, 3.8819641115984e-20, 1.0237769828158e-15, 
    0.00019562832342849, 6.4455095380046e-08, 1.8468752030971e-12, 
    0.0010099091367628, 1.9051035165106e-06, 8.8085966897635e-24, 
    3.9715925056443e-27, 2.594108048185e-28, 3.8819641115984e-20, 
    1.0237769828158e-15, 0.00019562832342849, 6.4455095380046e-08, 
    1.8468752030971e-12, 0.0010088638355194, 1.9051035165106e-06, 
    8.7096574467175e-24, 4.2987746909572e-27, 2.5231916788231e-28, 
    3.593647329558e-20, 1.9750692814982e-12, 0.00019705170257492, 
    1.9748966344895e-06, 1.7515881895994e-12, 2.1868296425817e-06, 
    1.8649940680806e-06, 8.7517439682173e-24, 4.3621551072316e-27, 
    2.553168170837e-28, 3.6469582463164e-20, 1.0032983660212e-15, 
    0.00019385229409318, 1.9830820164805e-06, 1.7760568361323e-12, 
    2.919419915209e-05, 1.8741284335866e-06, 2.8285944348148e-25, 
    4.1960751547207e-27, 7.8468215407139e-29, 8.0407329049747e-16, 
    1.9380328071065e-12, 0.00020004849911333, 1.9393279417733e-06, 
    5.9354475879597e-10, 6.4258355913627e-10, 2.6065221215415e-05
    )), class = "data.frame", row.names = c(NA, -100L), .Names = c("run", 
"repetition", "module", "configname", "packetByteLength", "numVehicles", 
"dDistance", "time", "distanceToTx", "headerNoError", "receivedPower_dbm", 
"snr", "frameId", "packetOkSinr", "snir", "ookSnirBer", "ookSnrBer"
))

Finding the transformation function

1. y1 --> y2 This function is used to transform the data of the secondary y axis to be "normalized" according to the first y axis

transformation function: f(y1) = 0.025*x + 2.75

2. y2 --> y1 This function is used to transform the break points of the first y axis to the values of the second y axis. Note that the axis are swapped now.

transformation function: f(y1) = 40*x - 110

Plotting

Note how the transformation functions are used in the ggplot call to transform the data "on-the-fly"

ggplot(data=combined_80_8192 %>% filter (time > 270, time < 280), aes(x=time) ) +
  stat_summary(aes(y=receivedPower_dbm ), fun.y=mean, geom="line", colour="black") +
  stat_summary(aes(y=packetOkSinr*40 - 110 ), fun.y=mean, geom="line", colour="black", position = position_dodge(width=10)) +
  scale_x_continuous() +
  scale_y_continuous(breaks = seq(-0,-110,-10), "y_first", sec.axis=sec_axis(~.*0.025+2.75, name="y_second") ) 

The first stat_summary call is the one that sets the base for the first y axis. The second stat_summary call is called to transform the data. Remember that all of the data will take as base the first y axis. So that data needs to be normalized for the first y axis. To do that I use the transformation function on the data: y=packetOkSinr*40 - 110

Now to transform the second axis I use the opposite function within the scale_y_continuous call: sec.axis=sec_axis(~.*0.025+2.75, name="y_second").

None of the above worked for me. what worked for me is to go to File -> Invalidate Caches / Restart

According to MSDN maxAllowedContentLength has type uint, its maximum value is 4,294,967,295 bytes = 3,99 gb

So it should work fine.

See also Request Limits article. Does IIS return one of these errors when the appropriate section is not configured at all?

See also: Maximum request length exceeded

For short arrays I suggest using np.argsort() by finding the indices of the sorted negatived array, which is slightly faster than reversing the sorted array:

In [37]: temp = np.random.randint(1,10, 10)

In [38]: %timeit np.sort(temp)[::-1]
100000 loops, best of 3: 4.65 µs per loop

In [39]: %timeit temp[np.argsort(-temp)]
100000 loops, best of 3: 3.91 µs per loop

You can use this:

Collections.sort(list, org.joda.time.DateTimeComparator.getInstance());

Since SELECT INTO assumes that a single row will be returned, you can use a statement of the form:

SELECT MAX(column)
  INTO var
  FROM table
 WHERE conditions;

IF var IS NOT NULL
THEN ...

The SELECT will give you the value if one is available, and a value of NULL instead of a NO_DATA_FOUND exception. The overhead introduced by MAX() will be minimal-to-zero since the result set contains a single row. It also has the advantage of being compact relative to a cursor-based solution, and not being vulnerable to concurrency issues like the two-step solution in the original post.

Inline media queries are possible by using something like Breakpoint for Sass

This blog post does a good job explaining how inline media queries are more manageable than separate blocks: There Is No Breakpoint

Related to inline media queries is the idea of "element queries", a few interesting reads are:

1. Thoughts on Media Queries for Elements
2. Media Queries are a Hack
3. Media Queries Are Not The Answer: Element Query Polyfill
4. if else blocks

Basically, you can include your JAR files in three different ways. The last one is remote library that is using https://bintray.com/ jcenter online repository. But, if you do it in one of the two other ways, the JAR file will be included physically in your project. Please read this link https://stackoverflow.com/a/35369267/5475941 for more information. In this post I explained how to import your JAR file in Android studio and I explained all possible ways.

In summary, if it is like this (local address), they are downloaded and these JAR files are physically in the project:

But, if it is an internet address like this, they are remote libraries (bintray.com jcenter part) and they will be used remotely:

I hope it helps.

I always like to use Ansi escape characters:

echo -e "Enter your password: \x1B[8m"
echo -e "\x1B[0m"

8m makes text invisible and 0m resets text to "normal." The -e makes Ansi escapes possible.

The only caveat is that you can still copy and paste the text that is there, so you probably shouldn't use this if you really want security.

It just lets people not look at your passwords when you type them in. Just don't leave your computer on afterwards. :)

NOTE:

The above is platform independent as long as it supports Ansi escape sequences.

However, for another Unix solution, you could simply tell read to not echo the characters...

printf "password: "
let pass $(read -s)
printf "\nhey everyone, the password the user just entered is $pass\n"

In any situation, if you have to bind a value with a checkbox which is not boolean then you can try the below options

In the Html file:

<div class="checkbox">
<label for="favorite-animal">Without boolean Value</label>
<input type="checkbox" value="" [checked]="ischeckedWithOutBoolean == 'Y'" 
(change)="ischeckedWithOutBoolean = $event.target.checked ? 'Y': 'N'">
</div>

in the componentischeckedWithOutBoolean: any = 'Y';

See in the stackblitz https://stackblitz.com/edit/angular-5szclb?embed=1&file=src/app/app.component.html

The answer was very funny for me and my team, and worked like a charm

• In the Interface Builder, Just move the tableview under another view in the view hierarchy.

REASON:

We observed that this happens only for the First View in the View Hierarchy, if this first view is a UITableView. So, all other similar UITableViews do not have this annoying section, except the first. We Tried moving the UITableView out of the first place in the view hierarchy, and everything was working as expected.

IF NOT USING THE SHORT HAND VERSION: Make sure the animation-fill-mode: forwards is AFTER the animation declaration or it will not work...

animation-fill-mode: forwards;
animation-name: appear;
animation-duration: 1s;
animation-delay: 1s;

vs

animation-name: appear;
animation-duration: 1s;
animation-fill-mode: forwards;
animation-delay: 1s;

In Python for assertion I use:

assert len(driver.find_elements_by_css_selector("your_css_selector")) == 0

this also works in a pinch

from flask import Flask, jsonify


from OpenSSL import SSL
context = SSL.Context(SSL.PROTOCOL_TLSv1_2)
context.use_privatekey_file('server.key')
context.use_certificate_file('server.crt')   


app = Flask(__name__)


@app.route('/')
def index():
    return 'Flask is running!'


@app.route('/data')
def names():
    data = {"names": ["John", "Jacob", "Julie", "Jennifer"]}
    return jsonify(data)


#if __name__ == '__main__':
#    app.run()
if __name__ == '__main__':  
     app.run(host='127.0.0.1', debug=True, ssl_context=context)

This commonly happened use case for any developer.

It is better to have it as function in your local system. (So better to keep this script in one of the shell profile like ksh/zsh or bash profile based on the user preference)

function killport {
   kill -9 `lsof -i tcp:"$1" | grep LISTEN | awk '{print $2}'`
}

Usage:

killport port_number

Example:

killport 8080

Found this absolute hack that actually works quite well:

https://codepen.io/nikitahl/pen/vyZbwR

Not CSS only though.

The basic gist is to have a container on the dropdown, .select-container in this case. That container has it's ::before set up to display content based on its data-content attribute/dataset, along with all of the overflow:hidden; text-overflow: ellipsis; and sizing necessary to make the ellipsis work.

When the select changes, javascript assigns the value (or you could retrieve the text of the option out of the select.options list) to the dataset.content of the container, and voila!

Copying content of the codepen here:

var selectContainer = document.querySelector(".select-container");_x000D_
var select = selectContainer.querySelector(".select");_x000D_
select.value = "lingua latina non penis canina";_x000D_
_x000D_
selectContainer.dataset.content = select.value;_x000D_
_x000D_
function handleChange(e) {_x000D_
  selectContainer.dataset.content = e.currentTarget.value;_x000D_
  console.log(select.value);_x000D_
}_x000D_
_x000D_
select.addEventListener("change", handleChange);

span {_x000D_
  margin: 0 10px 0 0;_x000D_
}_x000D_
_x000D_
.select-container {_x000D_
  position: relative;_x000D_
  display: inline-block;_x000D_
}_x000D_
_x000D_
.select-container::before {_x000D_
  content: attr(data-content);_x000D_
  position: absolute;_x000D_
  top: 0;_x000D_
  right: 10px;_x000D_
  bottom: 0;_x000D_
  left: 0;_x000D_
  padding: 7px;_x000D_
  font: 11px Arial, sans-serif;_x000D_
  white-space: nowrap;_x000D_
  text-overflow: ellipsis;_x000D_
  overflow: hidden;_x000D_
  text-transform: capitalize;_x000D_
  pointer-events: none;_x000D_
}_x000D_
_x000D_
.select {_x000D_
  width: 80px;_x000D_
  padding: 5px;_x000D_
  appearance: none;_x000D_
  background: transparent url("https://cdn4.iconfinder.com/data/icons/ionicons/512/icon-arrow-down-b-128.png") no-repeat calc(~"100% - 5px") 7px;_x000D_
  background-size: 10px 10px;_x000D_
  color: transparent;_x000D_
}_x000D_
_x000D_
.regular {_x000D_
  display: inline-block;_x000D_
  margin: 10px 0 0;_x000D_
  .select {_x000D_
    color: #000;_x000D_
  }_x000D_
}

<span>Hack:</span><div class="select-container" data-content="">_x000D_
  <select class="select" id="words">_x000D_
    <option value="lingua latina non penis canina">Lingua latina non penis canina</option>_x000D_
    <option value="lorem">Lorem</option>_x000D_
    <option value="ipsum">Ipsum</option>_x000D_
    <option value="dolor">Dolor</option>_x000D_
    <option value="sit">Sit</option>_x000D_
    <option value="amet">Amet</option>_x000D_
    <option value="lingua">Lingua</option>_x000D_
    <option value="latina">Latina</option>_x000D_
    <option value="non">Non</option>_x000D_
    <option value="penis">Penis</option>_x000D_
    <option value="canina">Canina</option>_x000D_
  </select>_x000D_
</div>_x000D_
<br />_x000D_
_x000D_
<span>Regular:</span>_x000D_
<div class="regular">_x000D_
  <select style="width: 80px;">_x000D_
    <option value="lingua latina non penis canina">Lingua latina non penis canina</option>_x000D_
    <option value="lorem">Lorem</option>_x000D_
    <option value="ipsum">Ipsum</option>_x000D_
    <option value="dolor">Dolor</option>_x000D_
    <option value="sit">Sit</option>_x000D_
    <option value="amet">Amet</option>_x000D_
    <option value="lingua">Lingua</option>_x000D_
    <option value="latina">Latina</option>_x000D_
    <option value="non">Non</option>_x000D_
    <option value="penis">Penis</option>_x000D_
    <option value="canina">Canina</option>_x000D_
  </select>_x000D_
</div>

This is the only solution that keeps a tab from ever getting inserted for me, without a sequence or conversion of tabs to spaces. Both of those seemed adequate, but wasteful:

(setq-default
    indent-tabs-mode nil
    tab-width 4
    tab-stop-list (quote (4 8))
)

Note that quote needs two numbers to work (but not more!).

Also, in most major modes (Python for instance), indentation is automatic in Emacs. If you need to indent outside of the auto indent, use:

M-i

A negative look ahead is a correct answer, but it can be written more cleanly like:

(\\)(?!.*\\)

This looks for an occurrence of \ and then in a check that does not get matched, it looks for any number of characters followed by the character you don't want to see after it. Because it's negative, it only matches if it does not find a match.

Future

The TypeScript team, and other TypeScript involved teams, plan to create a standard formal TSDoc specification. The 1.0.0 draft hasn't been finalised yet: https://github.com/Microsoft/tsdoc#where-are-we-on-the-roadmap

Current

TypeScript uses JSDoc. e.g.

/** This is a description of the foo function. */
function foo() {
}

To learn jsdoc : https://jsdoc.app/

But you don't need to use the type annotation extensions in JSDoc.

You can (and should) still use other jsdoc block tags like @returns etc.

Example

Just an example. Focus on the types (not the content).

JSDoc version (notice types in docs):

/**
 * Returns the sum of a and b
 * @param {number} a
 * @param {number} b
 * @returns {number}
 */
function sum(a, b) {
    return a + b;
}

TypeScript version (notice the re-location of types):

/**
 * Takes two numbers and returns their sum
 * @param a first input to sum
 * @param b second input to sum
 * @returns sum of a and b
 */
function sum(a: number, b: number): number {
    return a + b;
}

executePendingTransactions() , commitNow() not worked (

Worked in androidx (jetpack).

private final FragmentManager fragmentManager = getSupportFragmentManager();

public void removeFragment(FragmentTag tag) {
    Fragment fragmentRemove = fragmentManager.findFragmentByTag(tag.toString());
    if (fragmentRemove != null) {
        fragmentManager.beginTransaction()
                .remove(fragmentRemove)
                .commit();

        // fix by @Ogbe
        fragmentManager.popBackStackImmediate(tag.toString(), 
            FragmentManager.POP_BACK_STACK_INCLUSIVE);
    }
}

Here, if you are converting string into byte[].There is a utility code :

    String[] str = result.replaceAll("\\[", "").replaceAll("\\]","").split(", ");
    byte[] dataCopy = new byte[str.length] ;
    int i=0;
    for(String s:str ) {
        dataCopy[i]=Byte.valueOf(s);
        i++;
    }
    return dataCopy;

My team really got sick of trying to find the tenant ID for our O365 and Azure projects. The devs, the support team, the sales team, everyone needs it at some point and never remembers how to do it.

So we've built this small site in the same vein as whatismyip.com. Hope you find it useful!

How to find my Microsoft 365, Azure or SharePoint Online tenant ID?

I recommend that not to use checkBox.setOnCheckedChangeListener in recyclerViewAdapter. Because on scrolling recyclerView, checkBox.setOnCheckedChangeListener will be fired by adapter. It's not safe. Instead, use checkBox.setOnClickListener to interact with user inputs.

For example:

     public void onBindViewHolder(final ViewHolder holder, int position) {
        /*
         .
         .
         .
         .
         .
         .
        */

        holder.checkBoxAdapterTasks.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                boolean isChecked =  holder.checkBoxAdapterTasks.isChecked();
                if(isChecked){
                    //checkBox clicked and checked
                }else{
                    //checkBox clicked and unchecked
                }

            }
        });

    }

From the MSDN library:

The First<TSource>(IEnumerable<TSource>) method throws an exception if source contains no elements. To instead return a default value when the source sequence is empty, use the FirstOrDefault method.

DataContractAttribute Class is in the System.Runtime.Serialization namespace.

You should add a reference to System.Runtime.Serialization.dll. That assembly isn't referenced by default though. To add the reference to your project you have to go to References -> Add Reference in the Solution Explorer and add an assembly reference manually.

This will eventually get to your question, but I first want to address a number of issues you raise in your various comments to the various answers already given at the time of this writing. I have no intention of changing your mind -- rather, these are here for others who come to read this post in the future.

The point is that I cannot allow for Android to determine when my app is going to be terminated. that must be the choice of the user.

Millions of people are perfectly happy with the model where the environment closes up the application as needed. Those users simply don't think about "terminating" the Android app, any more than they think about "terminating" a Web page or "terminating" a thermostat.

iPhone users are much the same way, in that pressing the iPhone button does not necessarily "feel" like the app was terminated since many iPhone apps pick up where the user left off, even if the app really was shut down (since iPhone only allows one third-party app at a time, at present).

As I said above, there is a lot of things going on in my app (data being PUSHed to the device, lists with tasks that always should be there, etc.).

I don't know what "lists with tasks that always should be there" means, but the "data being PUSHed to the device" is a pleasant fiction and should not be done by activity in any case. Use a scheduled task (via AlarmManager) to update your data for maximum reliability.

Our users log in and can't be doing that every time they get a phone call and Android decides to kill the app.

There are many iPhone and Android applications that deal with this. Usually, it is because they hold onto login credentials, rather than forcing users to log in every time manually.

For example, we want to check updates when exiting the application

That is a mistake on any operating system. For all you know, the reason your application is being "exited" is because the OS is shutting down, and then your update process will fail mid-stream. Generally, that's not a good thing. Either check updates on start or check updates totally asynchronously (e.g., via a scheduled task), never on exit.

Some comments suggest that hitting the back button does not kill the app at all (see link in my question above).

Pressing the BACK button does not "kill the app". It finishes the activity that was on-screen when the user pressed the BACK button.

It should only terminate when the users want to terminate it - never ever any other way. If you can't write apps that behave like that in Android, then I think that Android can't be used for writing real apps =(

Then neither can Web applications. Or WebOS, if I understand their model correctly (haven't had a chance to play with one yet). In all of those, users don't "terminate" anything -- they just leave. iPhone is a bit different, in that it only presently allows one thing to run at a time (with a few exceptions), and so the act of leaving implies a fairly immediate termination of the app.

Is there a way for me to really quit the application?

As everybody else told you, users (via BACK) or your code (via finish()) can close up your currently-running activity. Users generally don't need anything else, for properly-written applications, any more than they need a "quit" option for using Web applications.

No two application environments are the same, by definition. This means that you can see trends in environments as new ones arise and others get buried.

For example, there is a growing movement to try to eliminate the notion of the "file". Most Web applications don't force users to think of files. iPhone apps typically don't force users to think of files. Android apps generally don't force users to think of files. And so on.

Similarly, there is a growing movement to try to eliminate the notion of "terminating" an app. Most Web applications don't force the user to log out, but rather implicitly log the user out after a period of inactivity. Same thing with Android, and to a lesser extent, iPhone (and possibly WebOS).

This requires more emphasis on application design, focusing on business goals, and not sticking with an implementation model tied to a previous application environment. Developers who lack the time or inclination to do this will get frustrated with newer environments that break their existing mental model. This is not the fault of either environment, any more than it is the fault of a mountain for storms flowing around it rather than through it.

For example, some development environments, like Hypercard and Smalltalk, had the application and the development tools co-mingled in one setup. This concept did not catch on much, outside of language extensions to apps (e.g., VBA in Excel, Lisp in AutoCAD). Developers who came up with mental models that presumed the existence of development tools in the app itself, therefore, either had to change their model or limit themselves to environments where their model would hold true.

So, when you write:

Along with other messy things I discovered, I think that developing our app for Android is not going to happen.

That would appear to be for the best, for you, for right now. Similarly, I would counsel you against attempting to port your application to the Web, since some of the same problems you have reported with Android you will find in Web applications as well (e.g., no "termination"). Or, conversely, someday if you do port your app to the Web, you may find that the Web application's flow may be a better match for Android, and you can revisit an Android port at that time.

>>> import subprocess
>>> cmd = [ 'echo', 'arg1', 'arg2' ]
>>> output = subprocess.Popen( cmd, stdout=subprocess.PIPE ).communicate()[0]
>>> print output
arg1 arg2

>>> 

There is a bug in using of the subprocess.PIPE. For the huge output use this:

import subprocess
import tempfile

with tempfile.TemporaryFile() as tempf:
    proc = subprocess.Popen(['echo', 'a', 'b'], stdout=tempf)
    proc.wait()
    tempf.seek(0)
    print tempf.read()

rpm -Uvh http://yum.chrislea.com/centos/5/i386/chl-release-5-3.noarch.rpm
rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CHL
rpm -Uvh ftp://ftp.pbone.net/mirror/centos.karan.org/el5/extras/testing/i386/RPMS/libffi-3.0.5-1.el5.kb.i386.rpm
yum install python26
python26

for dos that just dont know :=)

If you are storing values via any programming language

Here is an example in C#

To store date you have to convert it first and then store it

insert table1 (foodate)
   values (FooDate.ToString("MM/dd/yyyy"));

FooDate is datetime variable which contains your date in your format.

Improving the lovasoa's very good answer.

If you are using python 3.6+, you can use:
pip install marshmallow-enum and
pip install marshmallow-dataclass

Its simple and type safe.

You can transform your class in a string-json and vice-versa:

From Object to String Json:

    from marshmallow_dataclass import dataclass
    user = User("Danilo","50","RedBull",15,OrderStatus.CREATED)
    user_json = User.Schema().dumps(user)
    user_json_str = user_json.data

From String Json to Object:

    json_str = '{"name":"Danilo", "orderId":"50", "productName":"RedBull", "quantity":15, "status":"Created"}'
    user, err = User.Schema().loads(json_str)
    print(user,flush=True)

Class definitions:

class OrderStatus(Enum):
    CREATED = 'Created'
    PENDING = 'Pending'
    CONFIRMED = 'Confirmed'
    FAILED = 'Failed'

@dataclass
class User:
    def __init__(self, name, orderId, productName, quantity, status):
        self.name = name
        self.orderId = orderId
        self.productName = productName
        self.quantity = quantity
        self.status = status

    name: str
    orderId: str
    productName: str
    quantity: int
    status: OrderStatus

The best way to solve this is using view you can create view with required columns and retrieve data form it

example

mysql> SELECT * FROM calls;
+----+------------+---------+
| id | date       | user_id |
+----+------------+---------+
|  1 | 2016-06-22 |       1 |
|  2 | 2016-06-22 |    NULL |
|  3 | 2016-06-22 |    NULL |
|  4 | 2016-06-23 |       2 |
|  5 | 2016-06-23 |       1 |
|  6 | 2016-06-23 |       1 |
|  7 | 2016-06-23 |    NULL |
+----+------------+---------+
7 rows in set (0.06 sec)

mysql> CREATE VIEW C_VIEW AS
    ->     SELECT id,date from calls;
Query OK, 0 rows affected (0.20 sec)

mysql> select * from C_VIEW;
+----+------------+
| id | date       |
+----+------------+
|  1 | 2016-06-22 |
|  2 | 2016-06-22 |
|  3 | 2016-06-22 |
|  4 | 2016-06-23 |
|  5 | 2016-06-23 |
|  6 | 2016-06-23 |
|  7 | 2016-06-23 |
+----+------------+
7 rows in set (0.00 sec)

I changed

compile 'com.android.support:appcompat-v7:19.1.+'

into

compile 'com.android.support:appcompat-v7:22.1.+'

in build.gradle and after sync I didn't get any errors

UPDATE! - SOLVED + GUIDE

I've managed to figure it out :) And down below you can read step-by-step guide so it hopefully can help others with the same problem as I had ;)

1. Install Apache Ant - (See this YouTube video for config help)
2. Download the ZXing source from ZXing homepage and extract it
3. With the use of Windows Commandline (Run->CMD) navigate to the root directory of the downloaded zxing src.
4. In the commandline window - Type ant -f core/build.xml press enter and let Apache work it's magic [having issues?]
5. Enter Eclipse -> new Android Project, based on the android folder in the directory you just extracted
6. Right-click project folder -> Properties -> Java Build Path -> Library -> Add External JARs...
7. Navigate to the newly extracted folder and open the core directory and select core.jar ... hit enter!

Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, based on the ZXing source ;)

Happy coding guys - I hope it can help others :)

No. But you should really use console.log() instead of alert() for debugging.

In Chrome it even has the advantage of being able to print out entire objects (not just toString()).

There is 2 way for sort data

1) sorting just data and fill into grid:

DataGridView datagridview1 = new DataGridView(); // for show data
DataTable dt1 = new DataTable(); // have data
DataTable dt2 = new DataTable(); // temp data table
DataRow[] dra = dt1.Select("", "ID DESC");
if (dra.Length > 0)
    dt2 = dra.CopyToDataTable();
datagridview1.DataSource = dt2;

2) sort default view that is like of sort with grid column header:

DataGridView datagridview1 = new DataGridView(); // for show data
DataTable dt1 = new DataTable(); // have data
dt1.DefaultView.Sort = "ID DESC";
datagridview1.DataSource = dt1;

Ask them how they ensure their pages continue to be usable when the user has JavaScript turned off or JavaScript isn't available.

There's no One True Answer, but you're fishing for an answer talking about some strategies for Progressive Enhancement.

Progressive Enhancement consists of the following core principles:

• basic content should be accessible to all browsers
• basic functionality should be accessible to all browsers
• sparse, semantic markup contains all content
• enhanced layout is provided by externally linked CSS
• enhanced behavior is provided by [[Unobtrusive JavaScript|unobtrusive]], externally linked JavaScript
• end user browser preferences are respected

As @kojiro said, you don't want to "run" this file. Source it as he says. It should get "sourced" at startup. Sourcing just means running every line in the file, including the one you want to get run. If you want to make sure a folder is in a certain path environment variable (as it seems you want from one of your comments on another solution), execute

$ echo $PATH

At the command line. If you want to check that your ~/.bash_profile is being sourced, either at startup as it should be, or when you source it manually, enter the following line into your ~/.bash_profile file:

$ echo "Hello I'm running stuff in the ~/.bash_profile!"

The reason is because you are using the transform property twice. Due to CSS rules with the cascade, the last declaration wins if they have the same specificity. As both transform declarations are in the same rule set, this is the case.

What it is doing is this:

1. rotate the text 90 degrees. Ok.
2. translate 50% by 50%. Ok, this is same property as step one, so do this step and ignore step 1.

See http://jsfiddle.net/Lx76Y/ and open it in the debugger to see the first declaration overwritten

As the translate is overwriting the rotate, you have to combine them in the same declaration instead: http://jsfiddle.net/Lx76Y/1/

To do this you use a space separated list of transforms:

#rotatedtext {
    transform-origin: left;
    transform: translate(50%, 50%) rotate(90deg) ;
}

Remember that they are specified in a chain, so the translate is applied first, then the rotate after that.

This is improved @Vicky solution - it has clearInterval() added so it prevents a loop of reloading if the redirect takes too long:

                            $(document).ready(function () {
                                var myTimer = window.setInterval(function () {
                                    var timeLeft = $("#countdown").html();
                                    if (eval(timeLeft) == 0) {
                                        console.log('Now redirecting');
                                        clearInterval(myTimer);
                                        window.location = ("@Html.Raw(HttpUtility.HtmlDecode(redirectUrl))");
                                    } else {
                                        $("#countdown").html(eval(timeLeft) - eval(1));
                                    }
                                }, 1000);
                            });

To force a reload of the php.ini you should restart apache.

Try sudo service apache2 restart from the command line. Or sudo /etc/init.d/apache2 restart

pg_dump -h localhost -p 5432 -U postgres -d mydb -t my_table > backup.sql

You can take the backup of a single table but I would suggest to take the backup of whole database and then restore whichever table you need. It is always good to have backup of whole database.

9 ways to use pg_dump

Here is an example with @RequestBody, First look at the controller !!

  public ResponseEntity<Void> postNewProductDto(@RequestBody NewProductDto newProductDto) {

   ...
        productService.registerProductDto(newProductDto);
        return new ResponseEntity<>(HttpStatus.CREATED);
   ....

}

And here is angular controller

function postNewProductDto() {
                var url = "/admin/products/newItem";
                $http.post(url, vm.newProductDto).then(function () {
                            //other things go here...
                            vm.newProductMessage = "Product successful registered";
                        }
                        ,
                        function (errResponse) {
                            //handling errors ....
                        }
                );
            }

And a short look at form

 <label>Name: </label>
 <input ng-model="vm.newProductDto.name" />

<label>Price </label> 
 <input ng-model="vm.newProductDto.price"/>

 <label>Quantity </label>
  <input ng-model="vm.newProductDto.quantity"/>

 <label>Image </label>
 <input ng-model="vm.newProductDto.photo"/>

 <Button ng-click="vm.postNewProductDto()" >Insert Item</Button>

 <label > {{vm.newProductMessage}} </label>

As dfsq said i just had to use removeClass("hide") instead of toggle()

Save your dataset in CSV file and open that file and copy the dataset and paste to the excel file. and then crtl + g will work on your file, means the excel will recognize that blank is really blank.

You can use getline with delimiter:

string s, tmp; 
stringstream ss(s);
vector<string> words;

while(getline(ss, tmp, ',')){
    words.push_back(tmp);
    .....
}

As usually, there are multiple ways of doing the same thing but I would avoid using Number.prototype.toLocaleString since it can return different values based on the user settings.

I also don't recommend extending the Number.prototype - extending native objects prototypes is a bad practice since it can cause conflicts with other people code (e.g. libraries/frameworks/plugins) and may not be compatible with future JavaScript implementations/versions.

I believe that Regular Expressions are the best approach for the problem, here is my implementation:

/**
 * Converts number into currency format
 * @param {number} number   Number that should be converted.
 * @param {string} [decimalSeparator]    Decimal separator, defaults to '.'.
 * @param {string} [thousandsSeparator]    Thousands separator, defaults to ','.
 * @param {int} [nDecimalDigits]    Number of decimal digits, defaults to `2`.
 * @return {string} Formatted string (e.g. numberToCurrency(12345.67) returns '12,345.67')
 */
function numberToCurrency(number, decimalSeparator, thousandsSeparator, nDecimalDigits){
    //default values
    decimalSeparator = decimalSeparator || '.';
    thousandsSeparator = thousandsSeparator || ',';
    nDecimalDigits = nDecimalDigits == null? 2 : nDecimalDigits;

    var fixed = number.toFixed(nDecimalDigits), //limit/add decimal digits
        parts = new RegExp('^(-?\\d{1,3})((?:\\d{3})+)(\\.(\\d{'+ nDecimalDigits +'}))?$').exec( fixed ); //separate begin [$1], middle [$2] and decimal digits [$4]

    if(parts){ //number >= 1000 || number <= -1000
        return parts[1] + parts[2].replace(/\d{3}/g, thousandsSeparator + '$&') + (parts[4] ? decimalSeparator + parts[4] : '');
    }else{
        return fixed.replace('.', decimalSeparator);
    }
}

edited on 2010/08/30: added option to set number of decimal digits. edited on 2011/08/23: added option to set number of decimal digits to zero.

DECLARE @DOB datetime
set @DOB ='11/25/1985'

select floor(
( cast(convert(varchar(8),getdate(),112) as int)-
cast(convert(varchar(8),@DOB,112) as int) ) / 10000
)

source: http://beginsql.wordpress.com/2012/04/26/how-to-calculate-age-in-sql-server/

From Wikipedia:

The HTTP response status code 302 Found is the most common way of performing a redirection. It is an example of industrial practice contradicting the standard.

Weird, your code seems to work for me:

import java.util.Arrays;

public class Test
{
    public static void main(String[] args)
    {
        // args is the list of guests
        Arrays.sort(args);
        for(int i = 0; i < args.length; i++)
            System.out.println(args[i]);
    }
}

I ran that code using "java Test Bobby Joe Angel" and here is the output:

$ java Test Bobby Joe Angel
Angel
Bobby
Joe

lots of correct answers, but as I landed here to copy & paste a folder rename with history, I found that this

git mv <old name> <new name>

will move the old folder (itself) to nest within the new folder

while

git mv <old name>/ <new name>

(note the '/') will move the nested content from the old folder to the new folder

both commands didn't copy along the history of nested files. I eventually renamed each nested folder individually ?

git mv <old name>/<nest-folder> <new name>/<nest-folder>

I resolved the issue by converting the source feed from http://www.news18.com/rss/politics.xml to https://www.news18.com/rss/politics.xml

with http below code was creating an empty file which was causing the issue down the line

    String feedUrl = "https://www.news18.com/rss/politics.xml"; 
    File feedXmlFile = null;

    try {
    feedXmlFile =new File("C://opinionpoll/newsFeed.xml");
    FileUtils.copyURLToFile(new URL(feedUrl),feedXmlFile);


          DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
          DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
          Document doc = dBuilder.parse(feedXmlFile);

Below is example you can use:

create temp table test2 (
  id1  numeric,
  id2  numeric,
  id3  numeric,
  id4  numeric,
  id5  numeric,
  id6  numeric,
  id7  numeric,
  id8  numeric,
  id9  numeric,
  id10 numeric) 
with (oids = false);

do
$do$
declare
     i int;
begin
for  i in 1..100000
loop
    insert into test2  values (random(), i * random(), i / random(), i + random(), i * random(), i / random(), i + random(), i * random(), i / random(), i + random());
end loop;
end;
$do$;

Here's how I do it using a DataTable. This is a working piece of TEST code.

using (SqlConnection con = new SqlConnection(connStr))
{
    con.Open();

    // Create a table with some rows. 
    DataTable table = MakeTable();

    // Get a reference to a single row in the table. 
    DataRow[] rowArray = table.Select();

    using (SqlBulkCopy bulkCopy = new SqlBulkCopy(con))
    {
        bulkCopy.DestinationTableName = "dbo.CarlosBulkTestTable";

        try
        {
            // Write the array of rows to the destination.
            bulkCopy.WriteToServer(rowArray);
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.Message);
        }

    }

}//using

I had to use nl2br to display the carriage returns correctly and it worked for me:

<?php
echo nl2br(file_get_contents( "filename.php" )); // get the contents, and echo it out.
?>

If you go to C:\Windows\system32\Windowspowershell\v1.0 (and C:\Windows\syswow64\Windowspowershell\v1.0 on x64 machines) in Windows Explorer and double-click powershell.exe you will see that it opens PowerShell with a black background. The PowerShell console shows up as blue when opened from the start menu because the console properties for shortcuts to powershell.exe can be set independently from the default properties.

To set the default options, font, colors and layout, open a PowerShell console, type Alt-Space, and select the Defaults menu option.

Running start powershell from cmd.exe should start a new console with your default settings.

According to Android Sqlite get last insert row id there is another query:

SELECT rowid from your_table_name order by ROWID DESC limit 1

To help with not forgetting to reenable drawing:

public static void SuspendDrawing(Control control, Action action)
{
    SendMessage(control.Handle, WM_SETREDRAW, false, 0);
    action();
    SendMessage(control.Handle, WM_SETREDRAW, true, 0);
    control.Refresh();
}

usage:

SuspendDrawing(myControl, () =>
{
    somemethod();
});

add this line in your css file:

.classname ul li {
    float: left;
}

Simple as the best is to do in this way :

<script>

setInterval(function(){

    $(".flash-it").toggleClass("hide");

},700)
</script>

Dot operator can't be overloaded, arrow operator can be overloaded. Arrow operator is generally meant to be applied to pointers (or objects that behave like pointers, like smart pointers). Dot operator can't be applied to pointers.

EDIT When applied to pointer arrow operator is equivalent to applying dot operator to pointee e.g. ptr->field is equivalent to (*ptr).field.

We could not uninstall a program, stuck with the "Windows error 2 cannot load Java VM". Added the Java path to the PATH variable, uninstalled and re-installed Java 8, the problem would not go away.

Then I found this solution online and it worked for us on the first shot: - Uninstall Java 8 - Install Java 6

Whatever the reason, with Java 6, the error went away, we uninstalled the program, and re-installed Java 8.

MYSQL: To get column values as one comma separated value use GROUP_CONCAT( ) function as

GROUP_CONCAT(  `column_name` )

for example

SELECT GROUP_CONCAT(  `column_name` ) 
FROM  `table_name` 
WHERE 1 
LIMIT 0 , 30

To quickly resolve this, use this very helpful shortcut in Android Studio:

Right-click widget-in-question > Constraint Layout > Infer Constraints:

Thereafter, you can tweak the constraints as described here: https://stackoverflow.com/a/37960888/5556250

Update

This is not correct for the Android Studio v3 and up. As per @purpleladydragons's comment:

"Constraint Layout" is not in the dropdown menu. Use the magic wand icon in the toolbar menu above the design preview; there is the "Infer Constraints" button.

Python's idiom for doing this is newList = oldList[:]

You use a singleton when you need to manage a shared resource. For instance a printer spooler. Your application should only have a single instance of the spooler in order to avoid conflicting request for the same resource.

Or a database connection or a file manager etc.

The suggestions to use cookies aside, the only comprehensive set of identifying attributes available to interrogate are contained in the HTTP request header. So it is possible to use some subset of these to create a pseudo-unique identifier for a user agent (i.e., browser). Further, most of this information is possibly already being logged in the so-called "access log" of your web server software by default and, if not, can be easily configured to do so. Then, a utlity could be developed that simply scans the content of this log, creating fingerprints of each request comprised of, say, the IP address and User Agent string, etc. The more data available, even including the contents of specific cookies, adds to the quality of the uniqueness of this fingerprint. Though, as many others have stated already, the HTTP protocol doesn't make this 100% foolproof - at best it can only be a fairly good indicator.

In addition to move_to_element() and scrollIntoView() I wanted to pose the following code which attempts to center the element in the view:

desired_y = (element.size['height'] / 2) + element.location['y']
window_h = driver.execute_script('return window.innerHeight')
window_y = driver.execute_script('return window.pageYOffset')
current_y = (window_h / 2) + window_y
scroll_y_by = desired_y - current_y

driver.execute_script("window.scrollBy(0, arguments[0]);", scroll_y_by)

Just set

webView.mediaPlaybackRequiresUserAction = NO;

The autoplay works for me on iOS.

import AVFoundation
var player:AVAudioPlayer!

func Play(){
    guard let path = Bundle.main.path(forResource: "KurdishSong", ofType: "mp3")else{return}
    let soundURl = URL(fileURLWithPath: path)
    player = try? AVAudioPlayer(contentsOf: soundURl)
    player.prepareToPlay()
    player.play()
    //player.pause()
    //player.stop()
}

Here is another simple answer, but without using classes.

from tkinter import *


def raise_frame(frame):
    frame.tkraise()

root = Tk()

f1 = Frame(root)
f2 = Frame(root)
f3 = Frame(root)
f4 = Frame(root)

for frame in (f1, f2, f3, f4):
    frame.grid(row=0, column=0, sticky='news')

Button(f1, text='Go to frame 2', command=lambda:raise_frame(f2)).pack()
Label(f1, text='FRAME 1').pack()

Label(f2, text='FRAME 2').pack()
Button(f2, text='Go to frame 3', command=lambda:raise_frame(f3)).pack()

Label(f3, text='FRAME 3').pack(side='left')
Button(f3, text='Go to frame 4', command=lambda:raise_frame(f4)).pack(side='left')

Label(f4, text='FRAME 4').pack()
Button(f4, text='Goto to frame 1', command=lambda:raise_frame(f1)).pack()

raise_frame(f1)
root.mainloop()

• Pro base64: the encoded representation you handle is a pretty safe string. It contains neither control chars nor quotes. The latter point helps against SQL injection attempts. I wouldn't expect any problem to just add the value to a "hand coded" SQL query string.

• Pro BLOB: the database manager software knows what type of data it has to expect. It can optimize for that. If you'd store base64 in a TEXT field it might try to build some index or other data structure for it, which would be really nice and useful for "real" text data but pointless and a waste of time and space for image data. And it is the smaller, as in number of bytes, representation.

When not told otherwise commands take over the foreground. You only have one "foreground" process running in a single shell session. The & symbol instructs commands to run in a background process and immediately returns to the command line for additional commands.

sh my_script.sh &

A background process will not stay alive after the shell session is closed. SIGHUP terminates all running processes. By default anyway. If your command is long-running or runs indefinitely (ie: microservice) you need to pr-pend it with nohup so it remains running after you disconnect from the session:

nohup sh my_script.sh &

EDIT: There does appear to be a gray area regarding the closing of background processes when & is used. Just be aware that the shell may close your process depending on your OS and local configurations (particularly on CENTOS/RHEL): https://serverfault.com/a/117157.

You need to install some packages such as Unlocker, GuestOSx, etc.

Android studio version 0.8.9 and above has a bug creating AVDs.

See Issue 78434.

Workaround

• go to your ADV folder in .android folder and find your AVD config.ini
• open it with a text editor that can handle unix newlines. (Notepad will run the lines together since they don't have CR-LFs.)
• change hw.sdCard=no to hw.sdCard=yes

this should work for everyone in new builds

I was having this issue on one of my webservers when trying to switch an apppool from classic to integrated. It worked fine on two of my other webservers, not just this one. It's Server 2012, so you can't do the aspnet_regiis and there was no setupcache folder to try that repair. Everything was set correctly under features.

After going through %windir%\system32\inetsrv\config\applicationHost.config I found one critical missing bit. Under my non-working one was missing the following two lines:

        <add name="ManagedEngineV4.0_32bit" image="C:\Windows\Microsoft.NET\Framework\v4.0.30319\webengine4.dll" preCondition="integratedMode,runtimeVersionv4.0,bitness32" />
        <add name="ManagedEngineV4.0_64bit" image="C:\Windows\Microsoft.NET\Framework64\v4.0.30319\webengine4.dll" preCondition="integratedMode,runtimeVersionv4.0,bitness64" />

Once I added them, everything worked great.

Found it somewhere long time ago and it works perfectly!

let payload = {
  key: "val",
  key2: "val2"
};

let url = "path/to/api.php";
let form = $('<form>', {'method': 'POST', 'action': url}).hide();
$.each(payload, (k, v) => form.append($('<input>', {'type': 'hidden', 'name': k, 'value': v})) );
$('body').append(form);
form.submit();
form.remove();

Here is the example I use for all of my form email inputs. This example is ASP.NET, but applies to any:

<asp:TextBox runat="server" class="form-control" placeholder="Contact's email" 
    name="contact_email" ID="contact_email" title="Contact's email (format: [email protected])" 
    type="email" TextMode="Email" validate="required:true"
    pattern="[a-zA-Z0-9!#$%&'*+\/=?^_`{|}~.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*" >
</asp:TextBox>

HTML5 still validates using the pattern when not required. Haven't found one yet that was a false positive.

This renders as the following HTML:

<input class="form-control" placeholder="Contact's email" 
    name="contact_email" id="contact_email" type="email" 
    title="Contact's email (format: [email protected])" 
    pattern="[a-zA-Z0-9!#$%&amp;'*+\/=?^_`{|}~.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*">

If you are using sublime then this code may work if you add it in build as code for building system. You can use this link for more information.

{
    "shell_cmd": "g++ \"${file}\" -std=c++1y -o \"${file_path}/${file_base_name}\"",
    "file_regex": "^(..[^:]*):([0-9]+):?([0-9]+)?:? (.*)$",
    "working_dir": "${file_path}",
    "selector": "source.c, source.c++",

    "variants":
    [
        {
            "name": "Run",
            "shell_cmd": "g++ \"${file}\" -std=c++1y -o \"${file_path}/${file_base_name}\" && \"${file_path}/${file_base_name}\""
        }
    ]
}

1. gitk --all
2. Select the first commit
3. Right click on the other, then diff selected → this

It's database specific. You haven't specified what database engine you are using.

e.g. in PostgreSQL you do cast(myvalue as date).

In Laravel 5.1, this works in a Blade:

<?php
    switch( $machine->disposal ) {
        case 'DISPO': echo 'Send to Property Disposition'; break;
        case 'UNIT':  echo 'Send to Unit'; break;
        case 'CASCADE': echo 'Cascade the machine'; break;
        case 'TBD':   echo 'To Be Determined (TBD)'; break;
    }
?>

You can also do that by :sus to fall into shell and back by fg.

Wrong syntax. Here you are:

insert into user_by_category (game_category,customer_id) VALUES ('Goku','12');

or:

insert into user_by_category ("game_category","customer_id") VALUES ('Kakarot','12');

The second one is normally used for case-sensitive column names.

I had the same problem on VS 2013 and was able to fix it by changing the Platform Toolset.

You can find it in project settings, general.

E.g. switching Platform Toolset to VS 2010 will cause VS to use the Windows\v7.0A SDK.

You can check which SDK path is used by adding this to your prebuild event:

echo using SDK $(WindowsSdkDir)

If you want to avoid inline script, you can simply listen for a click event on the radio. This can be achieved with plain Javascript by listening to a click event on

for (var radioCounter = 0 ; radioCounter < document.getElementsByName('myRadios').length; radioCounter++) {
      document.getElementsByName('myRadios')[radioCounter].onclick = function() {
        //VALUE OF THE CLICKED RADIO ELEMENT
        console.log('this : ',this.value);
      }
}

I was able to use the name attribute that you described in your example for the loop I am working on and it worked, perhaps because I created unique ids? I'm still considering whether I should switch to an editor template instead as mentioned in the links in another answer.

    @Html.RadioButtonFor(modelItem => item.Answers.AnswerYesNo, "true", new {Name = item.Description.QuestionId, id = string.Format("CBY{0}", item.Description.QuestionId), onclick = "setDescriptionVisibility(this)" }) Yes

    @Html.RadioButtonFor(modelItem => item.Answers.AnswerYesNo, "false", new { Name = item.Description.QuestionId, id = string.Format("CBN{0}", item.Description.QuestionId), onclick = "setDescriptionVisibility(this)" } ) No

Only for using as a value:

x = 3 if a==2 else 0

or

return 3 if a==2 else 0

If you try to run 32-bit applications on IIS 7 (and/or 64-bit OS machine), you will get the same error. So, from the IIS 7, right click on the applications' application pool and go to "advanced settings" and change "Enable 32-Bit Applications" to "TRUE".

Restart your website and it should work.

Never mind got the way to do it.

def plotGraph(X,Y):
     fignum = random.randint(0,sys.maxint)
     fig = plt.figure(fignum)
     ### Plotting arrangements ###
     return fig

------ plotting module ------

----- mainModule ----

 import matplotlib.pyplot as plt
 ### tempDLStats, tempDLlabels are the argument
 plot1 = plotGraph(tempDLstats, tempDLlabels)
 plot2 = plotGraph(tempDLstats_1, tempDLlabels_1)
 plot3 = plotGraph(tempDLstats_2, tempDLlabels_2)
 plt.show()
 plot1.savefig('plot1.png')
 plot2.savefig('plot2.png')
 plot3.savefig('plot3.png')

----- mainModule -----

The hexadecimal value you are looking for is %2B

To get it automatically in PHP run your string through urlencode($stringVal). And then run it rhough urldecode($stringVal) to get it back.

If you want the JavaScript to handle it, use escape( str )

Edit

After @bobince's comment I did more reading and he is correct. Use encodeURIComponent(str) and decodeURIComponent(str). Escape will not convert the characters, only escape them with \'s

I also faced similar issues when tried to do ng serve. I was able to resolve it as below.
Note:

C:\Windows\system32> is on windows command prompt
C:\apps\workspace\testProj>  is on VS code Terminal (can also be doable in another command prompt)

Following are the steps which I used to resolve this.

Step1. Verify the cli version installed on command prompt (will be Angular CLI global version)

C:\Windows\system32>ng --version

Angular CLI: 8.3.13

If cli was installed earlier, it shows the global cli version.

If cli was not installed, we may get the error
ng is not recognized as an internal or external command

a. (Optional Step) Install Angular CLI global version

C:\Windows\system32>npm install -g @angular/cli
C:\Windows\system32>npm install -g @angular-cli/latest

b. Check version again

C:\Windows\system32>ng --version
Angular CLI: 8.3.13

Step2. Verify the local cli version installed on your angular project(VS code ide or command prompt cd'd to your project project)

C:\apps\workspace\testProj>ng --version
Angular CLI: 7.3.8

Note: Clearly versions are not in sync. Do the following in your angular project

C:\apps\workspace\testProj>ng update @angular/cli        -> important to sync with global cli version

Note: If upgrade donot work using above command (ref: How to upgrade Angular CLI to the latest version) On command prompt, uninstall global angular cli, clean the cache and reinstall the cli

C:\Windows\system32>npm uninstall -g angular-cli
C:\Windows\system32>npm cache clean or npm cache verify #(if npm > 5)
C:\Windows\system32>npm install -g @angular/cli@latest

Now update your local project version, because cli version of your local project is having higher priority than global one when you try to execute your project.

C:\apps\workspace\testProj>rm -rf node_modules
C:\apps\workspace\testProj>npm uninstall --save-dev angular-cli
C:\apps\workspace\testProj>npm install --save-dev @angular/cli@latest
C:\apps\workspace\testProj>npm install
C:\apps\workspace\testProj>ng update @angular/cli

Step3. Verify if local project cli version now in sync with global one

C:\Windows\system32>ng --version
Angular CLI: 8.3.13

C:\apps\workspace\testProj>ng --version
Angular CLI: 8.3.13

Step4.. Revalidate on the project

C:\apps\workspace\testProj>ng serve

Should work now

Fully working code sample how to share file from inner app folder. Tested on Android 7 and Android 5.

AndroidManifest.xml

</application>
   ....
    <provider
        android:name="androidx.core.content.FileProvider"
        android:authorities="android.getqardio.com.gmslocationtest"
        android:exported="false"
        android:grantUriPermissions="true">
        <meta-data
            android:name="android.support.FILE_PROVIDER_PATHS"
            android:resource="@xml/provider_paths"/>
    </provider>
</application>

xml/provider_paths

<?xml version="1.0" encoding="utf-8"?>
<paths>
    <files-path
        name="share"
        path="external_files"/>
</paths>

Code itself

    File imagePath = new File(getFilesDir(), "external_files");
    imagePath.mkdir();
    File imageFile = new File(imagePath.getPath(), "test.jpg");

    // Write data in your file

    Uri uri = FileProvider.getUriForFile(this, getPackageName(), imageFile);

    Intent intent = ShareCompat.IntentBuilder.from(this)
                .setStream(uri) // uri from FileProvider
                .setType("text/html")
                .getIntent()
                .setAction(Intent.ACTION_VIEW) //Change if needed
                .setDataAndType(uri, "image/*")
                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);

   startActivity(intent);

Yes, you can enforce the constraint only when the value is not NULL. This can be easily tested with the following example:

CREATE DATABASE t;
USE t;

CREATE TABLE parent (id INT NOT NULL,
                     PRIMARY KEY (id)
) ENGINE=INNODB;

CREATE TABLE child (id INT NULL, 
                    parent_id INT NULL,
                    FOREIGN KEY (parent_id) REFERENCES parent(id)
) ENGINE=INNODB;


INSERT INTO child (id, parent_id) VALUES (1, NULL);
-- Query OK, 1 row affected (0.01 sec)


INSERT INTO child (id, parent_id) VALUES (2, 1);

-- ERROR 1452 (23000): Cannot add or update a child row: a foreign key 
-- constraint fails (`t/child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY
-- (`parent_id`) REFERENCES `parent` (`id`))

The first insert will pass because we insert a NULL in the parent_id. The second insert fails because of the foreign key constraint, since we tried to insert a value that does not exist in the parent table.

The standard does say this:

Programming languages vary widely on whether they support objects, and if so, what characteristics and constraints the objects offer. The models of object systems can be wildly divergent and are continuing to evolve. JSON instead provides a simple notation for expressing collections of name/value pairs. Most programming languages will have some feature for representing such collections, which can go by names like record, struct, dict, map, hash, or object.

The bug is in node.js at least. This code succeeds in node.js.

try {
     var json = {"name":"n","name":"v"};
     console.log(json); // outputs { name: 'v' }
} catch (e) {
     console.log(e);
}

You can do it with:

/etc/passwd

Edit the user home directory and then move the required files and directories to it:

cp/mv -r /home/$user/.bash* /home/newdir

.bash_profile
.ssh/ 

Set the correct permission

chmod -R $user:$user /home/newdir/.bash*