Programs & Examples On #Activestate

For any users having the same issue in 2017, I solved it the following way:

NavBar.contextTypes = {
    router: React.PropTypes.object,
    location: React.PropTypes.object
}

and use it like this:

componentDidMount () {
    console.log(this.context.location.pathname);
}

You could use the 'tailer' library: https://pypi.python.org/pypi/tailer/

It has an option to get the last few lines:

# Get the last 3 lines of the file
tailer.tail(open('test.txt'), 3)
# ['Line 9', 'Line 10', 'Line 11']

And it can also follow a file:

# Follow the file as it grows
for line in tailer.follow(open('test.txt')):
    print line

If one wants tail-like behaviour, that one seems to be a good option.

Install distribute, which comes with egg_info.

Should be as simple as pip install Distribute.

Distribute has been merged into Setuptools as of version 0.7. If you are using a version <=0.6, upgrade using pip install --upgrade setuptools or easy_install -U setuptools.

This is a quick tutorial on how to get Python 3.7 working with Mysql
Thanks to all from who I got answers to my questions
- hope this helps somebody someday.
----------------------------------------------------
My System:
Windows Version: Pro 64-bit

REQUIREMENTS.. download and install these first...
1. Download Xampp..
https://www.apachefriends.org/download.html
2. Download Python
https://www.python.org/downloads/windows/

--------------
//METHOD
--------------
Install xampp first after finished installing - install Python 3.7.
Once finished installing both - reboot your windows system.
Now start xampp and from the control panel - start the mysql server.
Confirm the versions by opening up CMD and in the terminal type

c:\>cd c:\xampp\mysql\bin

c:\xampp\mysql\bin>mysql -h localhost -v
Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 2
Server version: 10.1.21-MariaDB mariadb.org binary distribution

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

This is to check the MYSQL version

c:\xampp\mysql\bin>python
Python 3.7.0b3 (v3.7.0b3:4e7efa9c6f, Mar 29 2018, 18:42:04) [MSC v.1913 64 bit (AMD64)] on win32

This is to check the Python version
Now that both have been confirmed type the following into the CMD...

c:\xampp\mysql\bin>pip install pymysql

After the install of pymysql is completed.
create a new file called "testconn.py" on your desktop or whereever for quick access.
Open this file with sublime or another text editor and put this into it.
Remember to change the settings to reflect your database.

#!/usr/bin/python
import pymysql
pymysql.install_as_MySQLdb() 

import MySQLdb
db = MySQLdb.connect(user="yourusernamehere",passwd="yourpasswordhere",host="yourhosthere",db="yourdatabasehere")
cursor = db.cursor()
cursor.execute("SELECT * from yourmysqltablehere")
data=cursor.fetchall()
for row in data :
    print (row)
db.close()

Now in your CMD - type

c:\Desktop>testconn.py

And thats it... your now fully connected from a python script to mysql...
Enjoy...

There are three packagers, and two compilers:

free packager: PAR
commercial packagers: perl2exe, perlapp
compilers: B::C, B::CC

http://search.cpan.org/dist/B-C/perlcompile.pod

(Note: perlfaq3 is still wrong)

For strawberry you need perl-5.16 and B-C from git master (1.43), as B-C-1.42 does not support 5.16.

given the adjacency matrix:

{0, 1, 3, 4, 0, 0}

{0, 0, 2, 1, 2, 0}

{0, 1, 0, 3, 0, 0}

{0, 1, 1, 0, 0, 1}

{0, 0, 0, 0, 0, 6}

{0, 1, 0, 1, 0, 0}

the following Wolfram Mathematica code solve the problem to find all the simple paths between two nodes of a graph. I used simple recursion, and two global var to keep track of cycles and to store the desired output. the code hasn't been optimized just for the sake of code clarity. the "print" should be helpful to clarify how it works.

cycleQ[l_]:=If[Length[DeleteDuplicates[l]] == Length[l], False, True];
getNode[matrix_, node_]:=Complement[Range[Length[matrix]],Flatten[Position[matrix[[node]], 0]]];

builtTree[node_, matrix_]:=Block[{nodes, posAndNodes, root, pos},
    If[{node} != {} && node != endNode ,
        root = node;
        nodes = getNode[matrix, node];
        (*Print["root:",root,"---nodes:",nodes];*)

        AppendTo[lcycle, Flatten[{root, nodes}]];
        If[cycleQ[lcycle] == True,
            lcycle = Most[lcycle]; appendToTree[root, nodes];,
            Print["paths: ", tree, "\n", "root:", root, "---nodes:",nodes];
            appendToTree[root, nodes];

        ];
    ];

appendToTree[root_, nodes_] := Block[{pos, toAdd},
    pos = Flatten[Position[tree[[All, -1]], root]];
    For[i = 1, i <= Length[pos], i++,
        toAdd = Flatten[Thread[{tree[[pos[[i]]]], {#}}]] & /@ nodes;
        (* check cycles!*)            
        If[cycleQ[#] != True, AppendTo[tree, #]] & /@ toAdd;
    ];
    tree = Delete[tree, {#} & /@ pos];
    builtTree[#, matrix] & /@ Union[tree[[All, -1]]];
    ];
];

to call the code: initNode = 1; endNode = 6; lcycle = {}; tree = {{initNode}}; builtTree[initNode, matrix];

paths: {{1}} root:1---nodes:{2,3,4}

paths: {{1,2},{1,3},{1,4}} root:2---nodes:{3,4,5}

paths: {{1,3},{1,4},{1,2,3},{1,2,4},{1,2,5}} root:3---nodes:{2,4}

paths: {{1,4},{1,2,4},{1,2,5},{1,3,4},{1,2,3,4},{1,3,2,4},{1,3,2,5}} root:4---nodes:{2,3,6}

paths: {{1,2,5},{1,3,2,5},{1,4,6},{1,2,4,6},{1,3,4,6},{1,2,3,4,6},{1,3,2,4,6},{1,4,2,5},{1,3,4,2,5},{1,4,3,2,5}} root:5---nodes:{6}

RESULTS:{{1, 4, 6}, {1, 2, 4, 6}, {1, 2, 5, 6}, {1, 3, 4, 6}, {1, 2, 3, 4, 6}, {1, 3, 2, 4, 6}, {1, 3, 2, 5, 6}, {1, 4, 2, 5, 6}, {1, 3, 4, 2, 5, 6}, {1, 4, 3, 2, 5, 6}}

...Unfortunately I cannot upload images to show the results in a better way :(

http://textanddatamining.blogspot.com

An alternative -- create a normal, non-daemonized Python program then externally daemonize it using supervisord. This can save a lot of headaches, and is *nix- and language-portable.

Here's something I put together a while ago, it's windows only but may help you get part of what you need done.

Derived from: "for sys available mem" http://msdn2.microsoft.com/en-us/library/aa455130.aspx

"individual process information and python script examples" http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true

NOTE: the WMI interface/process is also available for performing similar tasks I'm not using it here because the current method covers my needs, but if someday it's needed to extend or improve this, then may want to investigate the WMI tools a vailable.

WMI for python:

http://tgolden.sc.sabren.com/python/wmi.html

The code:

'''
Monitor window processes

derived from:
>for sys available mem
http://msdn2.microsoft.com/en-us/library/aa455130.aspx

> individual process information and python script examples
http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true

NOTE: the WMI interface/process is also available for performing similar tasks
        I'm not using it here because the current method covers my needs, but if someday it's needed
        to extend or improve this module, then may want to investigate the WMI tools available.
        WMI for python:
        http://tgolden.sc.sabren.com/python/wmi.html
'''

__revision__ = 3

import win32com.client
from ctypes import *
from ctypes.wintypes import *
import pythoncom
import pywintypes
import datetime


class MEMORYSTATUS(Structure):
    _fields_ = [
                ('dwLength', DWORD),
                ('dwMemoryLoad', DWORD),
                ('dwTotalPhys', DWORD),
                ('dwAvailPhys', DWORD),
                ('dwTotalPageFile', DWORD),
                ('dwAvailPageFile', DWORD),
                ('dwTotalVirtual', DWORD),
                ('dwAvailVirtual', DWORD),
                ]


def winmem():
    x = MEMORYSTATUS() # create the structure
    windll.kernel32.GlobalMemoryStatus(byref(x)) # from cytypes.wintypes
    return x    


class process_stats:
    '''process_stats is able to provide counters of (all?) the items available in perfmon.
    Refer to the self.supported_types keys for the currently supported 'Performance Objects'

    To add logging support for other data you can derive the necessary data from perfmon:
    ---------
    perfmon can be run from windows 'run' menu by entering 'perfmon' and enter.
    Clicking on the '+' will open the 'add counters' menu,
    From the 'Add Counters' dialog, the 'Performance object' is the self.support_types key.
    --> Where spaces are removed and symbols are entered as text (Ex. # == Number, % == Percent)
    For the items you wish to log add the proper attribute name in the list in the self.supported_types dictionary,
    keyed by the 'Performance Object' name as mentioned above.
    ---------

    NOTE: The 'NETFramework_NETCLRMemory' key does not seem to log dotnet 2.0 properly.

    Initially the python implementation was derived from:
    http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true
    '''
    def __init__(self,process_name_list=[],perf_object_list=[],filter_list=[]):
        '''process_names_list == the list of all processes to log (if empty log all)
        perf_object_list == list of process counters to log
        filter_list == list of text to filter
        print_results == boolean, output to stdout
        '''
        pythoncom.CoInitialize() # Needed when run by the same process in a thread

        self.process_name_list = process_name_list
        self.perf_object_list = perf_object_list
        self.filter_list = filter_list

        self.win32_perf_base = 'Win32_PerfFormattedData_'

        # Define new datatypes here!
        self.supported_types = {
                                    'NETFramework_NETCLRMemory':    [
                                                                        'Name',
                                                                        'NumberTotalCommittedBytes',
                                                                        'NumberTotalReservedBytes',
                                                                        'NumberInducedGC',    
                                                                        'NumberGen0Collections',
                                                                        'NumberGen1Collections',
                                                                        'NumberGen2Collections',
                                                                        'PromotedMemoryFromGen0',
                                                                        'PromotedMemoryFromGen1',
                                                                        'PercentTimeInGC',
                                                                        'LargeObjectHeapSize'
                                                                     ],

                                    'PerfProc_Process':              [
                                                                          'Name',
                                                                          'PrivateBytes',
                                                                          'ElapsedTime',
                                                                          'IDProcess',# pid
                                                                          'Caption',
                                                                          'CreatingProcessID',
                                                                          'Description',
                                                                          'IODataBytesPersec',
                                                                          'IODataOperationsPersec',
                                                                          'IOOtherBytesPersec',
                                                                          'IOOtherOperationsPersec',
                                                                          'IOReadBytesPersec',
                                                                          'IOReadOperationsPersec',
                                                                          'IOWriteBytesPersec',
                                                                          'IOWriteOperationsPersec'     
                                                                      ]
                                }

    def get_pid_stats(self, pid):
        this_proc_dict = {}

        pythoncom.CoInitialize() # Needed when run by the same process in a thread
        if not self.perf_object_list:
            perf_object_list = self.supported_types.keys()

        for counter_type in perf_object_list:
            strComputer = "."
            objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator")
            objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2")

            query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type)
            colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# changed from Win32_Thread        

            if len(colItems) > 0:        
                for objItem in colItems:
                    if hasattr(objItem, 'IDProcess') and pid == objItem.IDProcess:

                            for attribute in self.supported_types[counter_type]:
                                eval_str = 'objItem.%s' % (attribute)
                                this_proc_dict[attribute] = eval(eval_str)

                            this_proc_dict['TimeStamp'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.') + str(datetime.datetime.now().microsecond)[:3]
                            break

        return this_proc_dict      


    def get_stats(self):
        '''
        Show process stats for all processes in given list, if none given return all processes   
        If filter list is defined return only the items that match or contained in the list
        Returns a list of result dictionaries
        '''    
        pythoncom.CoInitialize() # Needed when run by the same process in a thread
        proc_results_list = []
        if not self.perf_object_list:
            perf_object_list = self.supported_types.keys()

        for counter_type in perf_object_list:
            strComputer = "."
            objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator")
            objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2")

            query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type)
            colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# changed from Win32_Thread

            try:  
                if len(colItems) > 0:
                    for objItem in colItems:
                        found_flag = False
                        this_proc_dict = {}

                        if not self.process_name_list:
                            found_flag = True
                        else:
                            # Check if process name is in the process name list, allow print if it is
                            for proc_name in self.process_name_list:
                                obj_name = objItem.Name
                                if proc_name.lower() in obj_name.lower(): # will log if contains name
                                    found_flag = True
                                    break

                        if found_flag:
                            for attribute in self.supported_types[counter_type]:
                                eval_str = 'objItem.%s' % (attribute)
                                this_proc_dict[attribute] = eval(eval_str)

                            this_proc_dict['TimeStamp'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.') + str(datetime.datetime.now().microsecond)[:3]
                            proc_results_list.append(this_proc_dict)

            except pywintypes.com_error, err_msg:
                # Ignore and continue (proc_mem_logger calls this function once per second)
                continue
        return proc_results_list     


def get_sys_stats():
    ''' Returns a dictionary of the system stats'''
    pythoncom.CoInitialize() # Needed when run by the same process in a thread
    x = winmem()

    sys_dict = { 
                    'dwAvailPhys': x.dwAvailPhys,
                    'dwAvailVirtual':x.dwAvailVirtual
                }
    return sys_dict


if __name__ == '__main__':
    # This area used for testing only
    sys_dict = get_sys_stats()

    stats_processor = process_stats(process_name_list=['process2watch'],perf_object_list=[],filter_list=[])
    proc_results = stats_processor.get_stats()

    for result_dict in proc_results:
        print result_dict

    import os
    this_pid = os.getpid()
    this_proc_results = stats_processor.get_pid_stats(this_pid)

    print 'this proc results:'
    print this_proc_results

http://monkut.webfactional.com/blog/archive/2009/1/21/windows-process-memory-logging-python

The PDFMiner package has changed since codeape posted.

EDIT (again):

PDFMiner has been updated again in version 20100213

You can check the version you have installed with the following:

>>> import pdfminer
>>> pdfminer.__version__
'20100213'

Here's the updated version (with comments on what I changed/added):

def pdf_to_csv(filename):
    from cStringIO import StringIO  #<-- added so you can copy/paste this to try it
    from pdfminer.converter import LTTextItem, TextConverter
    from pdfminer.pdfparser import PDFDocument, PDFParser
    from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter

    class CsvConverter(TextConverter):
        def __init__(self, *args, **kwargs):
            TextConverter.__init__(self, *args, **kwargs)

        def end_page(self, i):
            from collections import defaultdict
            lines = defaultdict(lambda : {})
            for child in self.cur_item.objs:
                if isinstance(child, LTTextItem):
                    (_,_,x,y) = child.bbox                   #<-- changed
                    line = lines[int(-y)]
                    line[x] = child.text.encode(self.codec)  #<-- changed

            for y in sorted(lines.keys()):
                line = lines[y]
                self.outfp.write(";".join(line[x] for x in sorted(line.keys())))
                self.outfp.write("\n")

    # ... the following part of the code is a remix of the 
    # convert() function in the pdfminer/tools/pdf2text module
    rsrc = PDFResourceManager()
    outfp = StringIO()
    device = CsvConverter(rsrc, outfp, codec="utf-8")  #<-- changed 
        # becuase my test documents are utf-8 (note: utf-8 is the default codec)

    doc = PDFDocument()
    fp = open(filename, 'rb')
    parser = PDFParser(fp)       #<-- changed
    parser.set_document(doc)     #<-- added
    doc.set_parser(parser)       #<-- added
    doc.initialize('')

    interpreter = PDFPageInterpreter(rsrc, device)

    for i, page in enumerate(doc.get_pages()):
        outfp.write("START PAGE %d\n" % i)
        interpreter.process_page(page)
        outfp.write("END PAGE %d\n" % i)

    device.close()
    fp.close()

    return outfp.getvalue()

Edit (yet again):

Here is an update for the latest version in pypi, 20100619p1. In short I replaced LTTextItem with LTChar and passed an instance of LAParams to the CsvConverter constructor.

def pdf_to_csv(filename):
    from cStringIO import StringIO  
    from pdfminer.converter import LTChar, TextConverter    #<-- changed
    from pdfminer.layout import LAParams
    from pdfminer.pdfparser import PDFDocument, PDFParser
    from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter

    class CsvConverter(TextConverter):
        def __init__(self, *args, **kwargs):
            TextConverter.__init__(self, *args, **kwargs)

        def end_page(self, i):
            from collections import defaultdict
            lines = defaultdict(lambda : {})
            for child in self.cur_item.objs:
                if isinstance(child, LTChar):               #<-- changed
                    (_,_,x,y) = child.bbox                   
                    line = lines[int(-y)]
                    line[x] = child.text.encode(self.codec)

            for y in sorted(lines.keys()):
                line = lines[y]
                self.outfp.write(";".join(line[x] for x in sorted(line.keys())))
                self.outfp.write("\n")

    # ... the following part of the code is a remix of the 
    # convert() function in the pdfminer/tools/pdf2text module
    rsrc = PDFResourceManager()
    outfp = StringIO()
    device = CsvConverter(rsrc, outfp, codec="utf-8", laparams=LAParams())  #<-- changed
        # becuase my test documents are utf-8 (note: utf-8 is the default codec)

    doc = PDFDocument()
    fp = open(filename, 'rb')
    parser = PDFParser(fp)       
    parser.set_document(doc)     
    doc.set_parser(parser)       
    doc.initialize('')

    interpreter = PDFPageInterpreter(rsrc, device)

    for i, page in enumerate(doc.get_pages()):
        outfp.write("START PAGE %d\n" % i)
        if page is not None:
            interpreter.process_page(page)
        outfp.write("END PAGE %d\n" % i)

    device.close()
    fp.close()

    return outfp.getvalue()

EDIT (one more time):

Updated for version 20110515 (thanks to Oeufcoque Penteano!):

def pdf_to_csv(filename):
    from cStringIO import StringIO  
    from pdfminer.converter import LTChar, TextConverter
    from pdfminer.layout import LAParams
    from pdfminer.pdfparser import PDFDocument, PDFParser
    from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter

    class CsvConverter(TextConverter):
        def __init__(self, *args, **kwargs):
            TextConverter.__init__(self, *args, **kwargs)

        def end_page(self, i):
            from collections import defaultdict
            lines = defaultdict(lambda : {})
            for child in self.cur_item._objs:                #<-- changed
                if isinstance(child, LTChar):
                    (_,_,x,y) = child.bbox                   
                    line = lines[int(-y)]
                    line[x] = child._text.encode(self.codec) #<-- changed

            for y in sorted(lines.keys()):
                line = lines[y]
                self.outfp.write(";".join(line[x] for x in sorted(line.keys())))
                self.outfp.write("\n")

    # ... the following part of the code is a remix of the 
    # convert() function in the pdfminer/tools/pdf2text module
    rsrc = PDFResourceManager()
    outfp = StringIO()
    device = CsvConverter(rsrc, outfp, codec="utf-8", laparams=LAParams())
        # becuase my test documents are utf-8 (note: utf-8 is the default codec)

    doc = PDFDocument()
    fp = open(filename, 'rb')
    parser = PDFParser(fp)       
    parser.set_document(doc)     
    doc.set_parser(parser)       
    doc.initialize('')

    interpreter = PDFPageInterpreter(rsrc, device)

    for i, page in enumerate(doc.get_pages()):
        outfp.write("START PAGE %d\n" % i)
        if page is not None:
            interpreter.process_page(page)
        outfp.write("END PAGE %d\n" % i)

    device.close()
    fp.close()

    return outfp.getvalue()

Your code doesn't work for binary files because they can't be cast to strings in the data event handler. If you need to manipulate binary files you'll need to use a buffer. Sorry, I do not have an example of using a buffer because in my case I needed to manipulate HTML files. I just check the content type and then for text/html files update them as needed:

app.get('/*', function(clientRequest, clientResponse) {
  var options = { 
    hostname: 'google.com',
    port: 80, 
    path: clientRequest.url,
    method: 'GET'
  };  

  var googleRequest = http.request(options, function(googleResponse) { 
    var body = ''; 

    if (String(googleResponse.headers['content-type']).indexOf('text/html') !== -1) {
      googleResponse.on('data', function(chunk) {
        body += chunk;
      }); 

      googleResponse.on('end', function() {
        // Make changes to HTML files when they're done being read.
        body = body.replace(/google.com/gi, host + ':' + port);
        body = body.replace(
          /<\/body>/, 
          '<script src="http://localhost:3000/new-script.js" type="text/javascript"></script></body>'
        );

        clientResponse.writeHead(googleResponse.statusCode, googleResponse.headers);
        clientResponse.end(body);
      }); 
    }   
    else {
      googleResponse.pipe(clientResponse, {
        end: true
      }); 
    }   
  }); 

  googleRequest.end();
});    

You can Do It by --

Using Ad Hoc Command

ansible all -m command -a" mv /path/to/foo /path/to/bar"

Or You if you want to do it by using playbook

- name: Move File foo to destination bar
  command: mv /path/to/foo /path/to/bar

Use split(regex) method. The result is an array of strings that was splited by regex.

String s = "Today is Holdiay Day";
System.out.println("Word count is = " + s.split(" ").length);

Add a

getter

and a

setter

and the problem is solved.

In ES6 standard there is a new spread operator ... which does exactly that.

call_me(...x)

It is supported by all major browsers except for IE.

The spread operator can do many other useful things, and the linked documentation does a really good job at showing that.

Keycode 13 means the Enter key.

If you would want to get more keycodes and what the key the key is, go to: https://keycode.info

I recommend the Boost.Random library, it's super detailed and well-documented, lets you explicitly specify what distribution you want, and in non-cryptographic scenarios can actually outperform a typical C library rand implementation.

   <!DOCTYPE html>
   <html>
   <head>
   <script   src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
  <script>
  $(document).ready(function(){
   $("#btn1").click(function(){
    $("p").append(" <b>Appended text</b>.");
   });

  });
 </script>
  </head>
 <body>

 <p>This is a paragraph.</p>
  <p>This is another paragraph.</p>



 <button id="btn1">Append text</button>


</body>
</html>

It's not evil. Like many things in C++, it's good if used correctly, but there are many pitfalls you should be aware of when using it (like returning a reference to a local variable).

There are good things that can be achieved with it (like map[name] = "hello world")

Try this

myApp.config(['$httpProvider', function($httpProvider) {
        $httpProvider.defaults.useXDomain = true;
        delete $httpProvider.defaults.headers.common['X-Requested-With'];
    }
]);

Just setting useXDomain = true is not enough. AJAX request are also send with the X-Requested-With header, which indicate them as being AJAX. Removing the header is necessary, so the server is not rejecting the incoming request.

This is a much simpler example for people only looking for removable usb drives.

using System.IO;

foreach (DriveInfo drive in DriveInfo.GetDrives())
{
    if (drive.DriveType == DriveType.Removable)
    {
        Console.WriteLine(string.Format("({0}) {1}", drive.Name.Replace("\\",""), drive.VolumeLabel));
    }
}

It's simple enough when you find out.

Open /etc/hosts (unix) or C:\WINDOWS\system32\drivers\etc\hosts.

If your domain is foo.com, then add this line:

127.0.0.1    local.foo.com

When you are testing, open local.foo.com in your browser and it should work.

If you installed using apt-get in ubuntu 14.04, you will found the default password in /var/lib/jenkins/secrets/initialAdminPassword location.

If you want a less verbose hack:

void deleteDirectory(String path) {
  Runtime.getRuntime().exec(String.format("rm -rf %s", path));
}

You must put your mathematical expressions inside $(( )).

One-liner:

for i in {1..600}; do wget http://example.com/search/link$(($i % 5)); done;

Multiple lines:

for i in {1..600}; do
    wget http://example.com/search/link$(($i % 5))
done

Daniel answer is right on the spot. If you want to query more than one field do this:

Employee.objects.values_list('eng_name','rank')

This will return list of tuples. You cannot use named=Ture when querying more than one field.

Moreover if you know that only one field exists with that info and you know the pk id then do this:

Employee.objects.values_list('eng_name','rank').get(pk=1)

For those wanting to display an icon, and accepting a "black and white" solution, one possibility is using character entities:

   <select>
      <option>100 &euro;</option>
      <option>89 &pound;</option>
    </select>

By extension, your icons can be stored in a custom font. Here's an example using the font FontAwesome: https://jsfiddle.net/14606fv9/2/ https://jsfiddle.net/14606fv9/2/

One benefit is that it doesn't require any Javascript. However, pay attention that loading the full font doesn't slow down the loading of your page.

Nota bene: The solution of using a background image doesn't seem working anymore in Firefox (at least in version 57 "Quantum"):

<select>
  <option style="background-image:url(euro.png);">100</option>
  <option style="background-image:url(pound.png);">89</option>
</select>

Apache, as usual, has a good answer from Apache Commons-Lang in the form of NumberUtils.isCreatable(String).

Handles nulls, no try/catch block required.

Another option would be to use a routine. If cases 1-3 all execute the same logic then wrap that logic in a routine and call it for each case. I know this doesn't actually get rid of the case statements, but it does implement good style and keep maintenance to a minimum.....

[Edit] Added alternate implementation to match original question...[/Edit]

switch (x)
{
   case 1:
      DoSomething();
      break;
   case 2:
      DoSomething();
      break;
   case 3:
      DoSomething();
      break;
   ...
}

private void DoSomething()
{
   ...
}

Alt

switch (x)
{
   case 1:
   case 2:
   case 3:
      DoSomething();
      break;
   ...
}

private void DoSomething()
{
   ...
}

In my case, Unity turned out to be a red herring. My problem was a result of different projects targeting different versions of .NET. Unity was set up right and everything was registered with the container correctly. Everything compiled fine. But the type was in a class library, and the class library was set to target .NET Framework 4.0. The WebApi project using Unity was set to target .NET Framework 4.5. Changing the class library to also target 4.5 fixed the problem for me.

I discovered this by commenting out the DI constructor and adding default constructor. I commented out the controller methods and had them throw NotImplementedException. I confirmed that I could reach the controller, and seeing my NotImplementedException told me it was instantiating the controller fine. Next, in the default constructor, I manually instantiated the dependency chain instead of relying on Unity. It still compiled, but when I ran it the error message came back. This confirmed for me that I still got the error even when Unity was out of the picture. Finally, I started at the bottom of the chain and worked my way up, commenting out one line at a time and retesting until I no longer got the error message. This pointed me in the direction of the offending class, and from there I figured out that it was isolated to a single assembly.

Label's aren't form elements. They don't have a value. They have innerHTML and textContent.

Thus,

$('#telefon').html() 
// or
$('#telefon').text()

or

var telefon = document.getElementById('telefon');
telefon.innerHTML;

If you are starting with your form element, check out the labels list of it. That is,

var el = $('#myformelement');
var label = $( el.prop('labels') );
// label.html();
// el.val();
// blah blah blah you get the idea

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

Solution for R to determine direction and reverse if clockwise (found it necessary for owin objects):

coords <- cbind(x = c(5,6,4,1,1),y = c(0,4,5,5,0))
a <- numeric()
for (i in 1:dim(coords)[1]){
  #print(i)
  q <- i + 1
  if (i == (dim(coords)[1])) q <- 1
  out <- ((coords[q,1]) - (coords[i,1])) * ((coords[q,2]) + (coords[i,2]))
  a[q] <- out
  rm(q,out)
} #end i loop

rm(i)

a <- sum(a) #-ve is anti-clockwise

b <- cbind(x = rev(coords[,1]), y = rev(coords[,2]))

if (a>0) coords <- b #reverses coords if polygon not traced in anti-clockwise direction

Instead of storing the data as pure JSON store it instead as a JavaScript Object Literal; E.g.

window.portalData = [_x000D_
  {_x000D_
    "kpi" : "NDAR",_x000D_
    "data": [15,152,2,45,0,2,0,16,88,0,174,0,30,63,0,0,0,0,448,4,0,139,1,7,12,0,211,37,182,154]_x000D_
  },_x000D_
  {_x000D_
     "kpi" : "NTI",_x000D_
     "data" : [195,299,31,32,438,12,0,6,136,31,71,5,40,40,96,46,4,49,106,127,43,366,23,36,7,34,196,105,30,77]_x000D_
  },_x000D_
  {_x000D_
     "kpi" : "BS",_x000D_
     "data" : [745,2129,1775,1089,517,720,2269,334,1436,517,3219,1167,2286,266,1813,509,1409,988,1511,972,730,2039,1067,1102,1270,1629,845,1292,1107,1800]_x000D_
  },_x000D_
  {_x000D_
     "kpi" : "SISS",_x000D_
     "data" :  [75,547,260,430,397,91,0,0,217,105,563,136,352,286,244,166,287,319,877,230,100,437,108,326,145,749,0,92,191,469]_x000D_
  },_x000D_
  {_x000D_
 "kpi" : "MID",_x000D_
 "data" : [6,17,14,8,13,7,4,6,8,5,72,15,6,3,1,13,17,32,9,3,25,21,7,49,23,10,13,18,36,9,12]_x000D_
  }_x000D_
];

You can then do the following in your HTML

<script src="server_data.js"> </script>


function getServerData(kpiCode)
{
    var elem = $(window.portalData).filter(function(idx){
        return window.portalData[idx].kpi == kpiCode;
     });

    return elem[0].data;
};

var defData = getServerData('NDAR');

How do I run an executable JAR file? If you have a jar file called Example.jar, follow these rules:

Open a notepad.exe.
Write : java -jar Example.jar.
Save it with the extension .bat.
Copy it to the directory which has the .jar file.
Double click it to run your .jar file.

My answer at How to tell if a <video> element is currently playing?:

MediaElement does not have a property that tells about if its playing or not. But you could define a custom property for it.

Object.defineProperty(HTMLMediaElement.prototype, 'playing', {
    get: function(){
        return !!(this.currentTime > 0 && !this.paused && !this.ended && this.readyState > 2);
    }
})

Now you can use it on video or audio elements like this:

if(document.querySelector('video').playing){
    // Do anything you want to
}

I have seen this most often when a corporate firewall on a workstation/laptop gets in the way, it kills the connection.

eg. I have a server process and a client process on the same machine. The server is listening on all interfaces (0.0.0.0) and the client attempts a connection to the public/home interface (note not the loopback interface 127.0.0.1).

If the machine is has its network disconnected (eg wifi turned off) then the connection is formed. If the machine is connected to the corporate network (directly or vpn) then the connection is formed.

However, if the machine is connected to a public wifi (or home network) then the firewall kicks in an kills the connection. In this situation connecting the client to the loopback interface works fine, just not to the home/public interface.

Hope this helps.

VB.Net has no such feature and it will not be coming in Visual Studio 2010. The feature that jirwin is refering is called implicit line continuation. It has to do with removing the _ from a multi-line statement or expression. This does remove the need to terminate a multiline string with _ but there is still no mult-line string literal in VB.

Example for multiline string

Visual Studio 2008

Dim x = "line1" & vbCrlf & _
        "line2"

Visual Studio 2010

Dim x = "line1" & vbCrlf & 
        "line2"

Here is an implementation of a delete cookie function with unicode support from Mozilla:

function removeItem(sKey, sPath, sDomain) {
    document.cookie = encodeURIComponent(sKey) + 
                  "=; expires=Thu, 01 Jan 1970 00:00:00 GMT" + 
                  (sDomain ? "; domain=" + sDomain : "") + 
                  (sPath ? "; path=" + sPath : "");
}

removeItem("cookieName");

If you use AngularJs, try $cookies.remove (underneath it uses a similar approach):

$cookies.remove('cookieName');

checkout these easy to use Kotlin extensions for date format

fun String.getStringDate(initialFormat: String, requiredFormat: String, locale: Locale = Locale.getDefault()): String {
    return this.toDate(initialFormat, locale).toString(requiredFormat, locale)
}

fun String.toDate(format: String, locale: Locale = Locale.getDefault()): Date = SimpleDateFormat(format, locale).parse(this)

fun Date.toString(format: String, locale: Locale = Locale.getDefault()): String {
    val formatter = SimpleDateFormat(format, locale)
    return formatter.format(this)
}

Just pass your regression model into the following function:

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

Use as follows:

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

plot_coeffs(model)

I had this problem because I had a typo in my template near [(ngModel)]]. Extra bracket. Example:

<input id="descr" name="descr" type="text" required class="form-control width-half"
      [ngClass]="{'is-invalid': descr.dirty && !descr.valid}" maxlength="16" [(ngModel)]]="category.descr"
      [disabled]="isDescrReadOnly" #descr="ngModel">

I tried this with python3 and it worked, source

def output_reader(proc):
    for line in iter(proc.stdout.readline, b''):
        print('got line: {0}'.format(line.decode('utf-8')), end='')


def main():
    proc = subprocess.Popen(['python', 'fake_utility.py'],
                            stdout=subprocess.PIPE,
                            stderr=subprocess.STDOUT)

    t = threading.Thread(target=output_reader, args=(proc,))
    t.start()

    try:
        time.sleep(0.2)
        import time
        i = 0

        while True:
        print (hex(i)*512)
        i += 1
        time.sleep(0.5)
    finally:
        proc.terminate()
        try:
            proc.wait(timeout=0.2)
            print('== subprocess exited with rc =', proc.returncode)
        except subprocess.TimeoutExpired:
            print('subprocess did not terminate in time')
    t.join()

I built a RSS feed app in which I have a Pull To refresh feature that originally had some of the problems listed above.

But to add to the users answers above, I was looking everywhere for my use case and could not find it. I was downloading data from the web (RSSFeed) and I wanted to pull down on my tableView of stories to refresh.

What is mentioned above cover the right areas but with some of the problems people are having, here is what I did and it works a treat:

I took @Blankarsch 's approach and went to my main.storyboard and select the table view to use refresh, then what wasn't mentioned is creating IBOutlet and IBAction to use the refresh efficiently

//Created from main.storyboard cntrl+drag refresh from left scene to assistant editor_x000D_
@IBOutlet weak var refreshButton: UIRefreshControl_x000D_
_x000D_
override func viewDidLoad() {_x000D_
  ...... _x000D_
  ......_x000D_
  //Include your code_x000D_
  ......_x000D_
  ......_x000D_
  //Is the function called below, make sure to put this in your viewDidLoad _x000D_
  //method or not data will be visible when running the app_x000D_
  getFeedData()_x000D_
}_x000D_
_x000D_
//Function the gets my data/parse my data from the web (if you havnt already put this in a similar function)_x000D_
//remembering it returns nothing, hence return type is "-> Void"_x000D_
func getFeedData() -> Void{_x000D_
  ....._x000D_
  ....._x000D_
}_x000D_
_x000D_
//From main.storyboard cntrl+drag to assistant editor and this time create an action instead of outlet and _x000D_
//make sure arguments are set to none and note sender_x000D_
@IBAction func refresh() {_x000D_
  //getting our data by calling the function which gets our data/parse our data_x000D_
  getFeedData()_x000D_
_x000D_
  //note: refreshControl doesnt need to be declared it is already initailized. Got to love xcode_x000D_
  refreshControl?.endRefreshing()_x000D_
}

Hope this helps anyone in same situation as me

I was with Angular 8 and the only thing which worked for me was this:

  getCustomHeaders(): HttpHeaders {
    const headers = new HttpHeaders()
      .set('Content-Type', 'application/json')
      .set('Api-Key', 'xxx');
    return headers;
  }

You need to return your promise to the calling function.

islogged:function(){
    var cUid=sessionService.get('uid');
    alert("in loginServce, cuid is "+cUid);
    var $checkSessionServer=$http.post('data/check_session.php?cUid='+cUid);
    $checkSessionServer.then(function(){
        alert("session check returned!");
        console.log("checkSessionServer is "+$checkSessionServer);
    });
    return $checkSessionServer; // <-- return your promise to the calling function
}

You can't do this: {this.state.arrayFromJson} As your error suggests what you are trying to do is not valid. You are trying to render the whole array as a React child. This is not valid. You should iterate through the array and render each element. I use .map to do that.

I am pasting a link from where you can learn how to render elements from an array with React.

http://jasonjl.me/blog/2015/04/18/rendering-list-of-elements-in-react-with-jsx/

Hope it helps!

I tried the standard library's calendar.timegm and it works quite well:

# convert a datetime to milliseconds since Epoch
def datetime_to_utc_milliseconds(aDateTime):
    return int(calendar.timegm(aDateTime.timetuple())*1000)

Ref: https://docs.python.org/2/library/calendar.html#calendar.timegm

There is the option Microsoft Software Licensing and Protection (SLP) Services as well. After reading about it I really wish I could use it.

I really like the idea of blocking parts of code based on the license. Hot stuff, and the most secure for .NET. Interesting read even if you don't use it!

Microsoft® Software Licensing and Protection (SLP) Services is a software activation service that enables independent software vendors (ISVs) to adopt flexible licensing terms for their customers. Microsoft SLP Services employs a unique protection method that helps safeguard your application and licensing information allowing you to get to market faster while increasing customer compliance.

Note: This is the only way I would release a product with sensitive code (such as a valuable algorithm).

As of JDK6U18 following are configurations for the Heap Size.

In the Client JVM, the default Java heap configuration has been modified to improve the performance of today's rich client applications. Initial and maximum heap sizes are larger and settings related to generational garbage collection are better tuned.

The default maximum heap size is half of the physical memory up to a physical memory size of 192 megabytes and otherwise one fourth of the physical memory up to a physical memory size of 1 gigabyte. For example, if your machine has 128 megabytes of physical memory, then the maximum heap size is 64 megabytes, and greater than or equal to 1 gigabyte of physical memory results in a maximum heap size of 256 megabytes. The maximum heap size is not actually used by the JVM unless your program creates enough objects to require it. A much smaller amount, termed the initial heap size, is allocated during JVM initialization. This amount is at least 8 megabytes and otherwise 1/64 of physical memory up to a physical memory size of 1 gigabyte.

Source : http://www.oracle.com/technetwork/java/javase/6u18-142093.html

If you're trying to get a lambda, I found that ending the handler with context.done() got the lambda to finish. Before adding that 1 line, It would just run and run until it timed out.

abs() : Returns the absolute value as per the argument i.e. if argument is int then it returns int, if argument is float it returns float. Also it works on complex variable also i.e. abs(a+bj) also works and returns absolute value i.e.math.sqrt(((a)**2)+((b)**2)

math.fabs() : It only works on the integer or float values. Always returns the absolute float value no matter what is the argument type(except for the complex numbers).

As @Roko mentioned you can do this in multiple ways.

1.Using the jQuery first-child selector - SnoopCode

   $(document).ready(function(){
    $(".alldivs onediv:first-child").css("background-color","yellow");
        }

2. Using jQuery eq Selector - SnoopCode

    $( "body" ).find( "onediv" ).eq(1).addClass( "red" );
   

3. Using jQuery Id Selector - SnoopCode

      $(document).ready(function(){
        $("#div1").css("background-color: red;");
      });
   

jQuery and console.log are unrelated entities, although useful when used together.

If you use a browser's built-in dev tools, console.log will log information about the object being passed to the log function.

If the console is not active, logging will not work, and may break your script. Be certain to check that the console exists before logging:

if (window.console) console.log('foo');

The shortcut form of this might be seen instead:

window.console&&console.log('foo');

There are other useful debugging functions as well, such as debug, dir and error. Firebug's wiki lists the available functions in the console api.

Try to avoid conversion of variable to str(variable). Sometimes, It may cause the issue.

Simple tip to avoid :

try: 
    data=str(data)
except:
    data = data #Don't convert to String

The above example will solve Encode error also.

What exactly are you planning on doing with it (what you want to do makes a difference with what you will need to call).

hashCode, as defined in the JavaDocs, says:

As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java™ programming language.)

So if you are using hashCode() to find out if it is a unique object in memory that isn't a good way to do it.

System.identityHashCode does the following:

Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode(). The hash code for the null reference is zero.

Which, for what you are doing, sounds like what you want... but what you want to do might not be safe depending on how the library is implemented.

If you download the latest version of Adobe Acrobat Reader, it will tell you if your pdf is PDF/A compliant. Just open the PDF file and a big blue marking should appear.

OpenOffice supports PDF/A. For some reason "PDF/A-1" is called

"SelectPdfVersion"

The different values can be

0 = PDFXNONE
1 = PDFX1A2001
2 = PDFX32002
3 = PDFA1A
4 = PDFA1B

You set

FilterData

HashMap('SelectPdfVersion',1) //1 for PDFX1A2001

On Windows you do not link with a .dll file directly – you must use the accompanying .lib file instead. To do that go to Project -> Properties -> Configuration Properties -> Linker -> Additional Dependencies and add path to your .lib as a next line.

You also must make sure that the .dll file is either in the directory contained by the %PATH% environment variable or that its copy is in Output Directory (by default, this is Debug\Release under your project's folder).

If you don't have access to the .lib file, one alternative is to load the .dll manually during runtime using WINAPI functions such as LoadLibrary and GetProcAddress.

How about:

(sleep 5; echo "Hello World") &

If you want to compare pair of map you can use this method:

typedef map<double, double> TestMap;
TestMap testMap;
pair<map<double,double>::iterator,bool> controlMapValues;

controlMapValues= testMap.insert(std::pair<double,double>(x,y));
if (controlMapValues.second == false )
{
    TestMap::iterator it;
    it = testMap.find(x);

    if (it->second == y)
    {
        cout<<"Given value is already exist in Map"<<endl;
    }
}

This is a useful technique.

Install the following packages from Nuget :-

1. Microsoft.EntityFrameworkCore
2. Microsoft.EntityFrameworkCore.Sqlite.Core

Mac OS X and some other Unixes at least have the user path compiled into sshd for security reasons so those of us that install git as /usr/local/git/{bin,lib,...} can run into trouble as the git executables are not in the precompiled path. To override this I prefer to edit my /etc/sshd_config changing:

#PermitUserEnvironment no

to

PermitUserEnvironment yes

and then create ~/.ssh/environment files as needed. My git users have the following in their ~/.ssh/environment file:

PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/git/bin

Note variable expansion does not occur when the ~/.ssh/environment file is read so:

PATH=$PATH:/usr/local/git/bin

will not work.

I had this issue and I solved it by creating a directory in mysite folder to hold my db.sqlite3 file. so I did /home/user/src/mysite/database/db.sqlite3. In my django setting file I change my

 DATABASES = {
'default': {
    'ENGINE': 'django.db.backends.sqlite3',
    'NAME': "/home/user/src/mysite/database/db.sqlite3" ,
}}

I did this to make Django aware that I am storing my database in a sub directory of the base directory, which mysite in my case. Now you need to grant the permission to apache to be able read write the database.

chown user:www-data database/db.sqlite3
chown user:www-data database 
chmod 755 database
 chmod 755 database/db.sqlite3

This solved my problem. Here is a list of the different permissions. You can use choose the one that fits you but avoid 777 and 666

-rw------- (600) -- Only the user has read and write permissions.

-rw-r--r-- (644) -- Only user has read and write permissions; the group and others can read only.

-rwx------ (700) -- Only the user has read, write and execute permissions.

-rwxr-xr-x (755) -- The user has read, write and execute permissions; the group and others can only read and execute.

-rwx--x--x (711) -- The user has read, write and execute permissions; the group and others can only execute.

-rw-rw-rw- (666) -- Everyone can read and write to the file. Bad idea.

-rwxrwxrwx (777) -- Everyone can read, write and execute. Another bad idea.

Here are a couple common settings for directories:

drwx------ (700) -- Only the user can read, write in this directory.

drwxr-xr-x (755) -- Everyone can read the directory, but its contents can only be changed by the user.

here is a link to an article to [learn more][1]

[1]: http://ftp.kh.edu.tw/Linux/Redhat/en_6.2/doc/gsg/s1-navigating-chmodnum.htm#:~:text=%2Drwxr%2Dxr%2Dx%20(,and%20others%20can%20only%20execute.

It works in user-style, and it seems not to work in web pages. I have not found official direction from Mozilla on this. While it may have worked at some point, Firefox does not have official support for this. This bug is still open https://bugzilla.mozilla.org/show_bug.cgi?id=77790

scrollbar {
/*  clear useragent default style*/
   -moz-appearance: none !important;
}
/* buttons at two ends */
scrollbarbutton {
   -moz-appearance: none !important;
}
/* the sliding part*/
thumb{
   -moz-appearance: none !important;
}
scrollcorner {
   -moz-appearance: none !important;
   resize:both;
}
/* vertical or horizontal */
scrollbar[orient="vertical"] {
    color:silver;
}

check http://codemug.com/html/custom-scrollbars-using-css/ for details.

The accepted answer works perfectly fine. I just want to mention a minor problem with the answer devXen has given.

If you set the icon like this:

<link rel="shortcut icon" type="image/x-icon" href="icon.ico">

The icon will work as expected:

However, if you set it like devXen has suggested:

<title> Amir A. Shabani</title>

The title of the page moves upon refresh:

So I would advise using <link> instead.

Use an call thru section, it works

<div id="content">
     <section id="home">
               ...
     </section>

Call the above the thru

 <a href="#home">page1</a>

Scrolling needs jquery paste this.. on above to ending body closing tag..

<script>
  $(function() {
      $('a[href*=#]:not([href=#])').click(function() {
          if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
              var target = $(this.hash);
              target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
              if (target.length) {
                  $('html,body').animate({
                      scrollTop: target.offset().top
                  }, 1000);
                  return false;
              }
          }
      });
  });
</script>

Use sorted function, like this:

map(lambda x: sorted(x)[1],lst)

printf("\nmaximum of %d and %d is = %d",a,b,c);

Your code concatenates three strings, then converts the result to a number.

You need to convert each variable to a number by calling parseFloat() around each one.

total = parseFloat(myInt1) + parseFloat(myInt2) + parseFloat(myInt3);

Typing /** + then pressing Enter above a method signature will create Javadoc stubs for you.

If your Python interpreter is old (1.5.2, for example, which is common on some older Linux distributions), you may not have join() available as a method on any old string object, and you will instead need to use the string module. Example:

a = ['a', 'b', 'c', 'd']

try:
    b = ''.join(a)

except AttributeError:
    import string
    b = string.join(a, '')

The string b will be 'abcd'.

add is a local variable not a global variable try this

var add;_x000D_
var input = document.getElementById("input");_x000D_
_x000D_
function start() {_x000D_
  add = setInterval("input.value++", 1000);_x000D_
}_x000D_
start();

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<input type="number" id="input" />_x000D_
<input type="button" onclick="clearInterval(add)" value="stop" />_x000D_
<input type="button" onclick="start()" value="start" />

In the case of integers that are included at the string, if you want to avoid casting them to int individually you can do:

mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]

It is called list comprehension, and it is based on set builder notation.

ex:

>>> mStr = "1,A,B,3,4"
>>> mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
>>> mList
>>> [1,'A','B',3,4]

For Android Studion version 3.3.2

1) I updated the gradle distribution URL to distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip in gradle-wrapper.properties file

2) Within the top-level build.gradle file updated the gradle plugin to version 3.3.2

dependencies {
    classpath 'com.android.tools.build:gradle:3.3.2'
    classpath 'com.google.gms:google-services:4.2.0'
}

Is date_field of type datetime? Also you need to put the eariler date first.

It should be:

SELECT * FROM `objects` 
WHERE  (date_field BETWEEN '2010-01-30 14:15:55' AND '2010-09-29 10:15:55')

A simple check like this will let you know if it exists/defined:

if (this.onsubmit)
{
  // do stuff;
}

I had the same issue with RS232 communication. The reason, is that your program executes much faster than the comport (or slow serial communication).

To fix it, I had to check if the IAsyncResult.IsCompleted==true. If not completed, then IAsyncResult.AsyncWaitHandle.WaitOne()

Like this :

Stream s = this.GetStream();
IAsyncResult ar = s.BeginWrite(data, 0, data.Length, SendAsync, state);
if (!ar.IsCompleted)
    ar.AsyncWaitHandle.WaitOne();

Most of the time, ar.IsCompleted will be true.

Try this one.

ALTER TABLE tb_TableName
ALTER COLUMN Record_Status VARCHAR(20) NOT NULL

ALTER TABLE tb_TableName
ADD CONSTRAINT DEF_Name DEFAULT '' FOR Record_Status

Use jQuery's noConflict. It did wonders for me

var example=jQuery.noConflict();
example(function(){
example('div#rift_connect').click(function(){
    example('span#resultado').text("Hello, dude!");
    });
});

That is, assuming you included jQuery on your HTML

<script language="javascript" type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>

The answer posted by Craig White has a big performance penalty

SELECT *  FROM `table` WHERE BINARY `column` = 'value'

because it doesn't use indexes. So, either you need to change the table collation like mention here https://dev.mysql.com/doc/refman/5.7/en/case-sensitivity.html.

OR

Easiest fix, you should use a BINARY of value.

SELECT *  FROM `table` WHERE `column` = BINARY 'value'

E.g.

mysql> EXPLAIN SELECT * FROM temp1 WHERE BINARY col1 = "ABC" AND col2 = "DEF" ;
+----+-------------+--------+------+---------------+------+---------+------+--------+-------------+
| id | select_type | table  | type | possible_keys | key  | key_len | ref  | rows   | Extra       |
+----+-------------+--------+------+---------------+------+---------+------+--------+-------------+
|  1 | SIMPLE      | temp1  | ALL  | NULL          | NULL | NULL    | NULL | 190543 | Using where |
+----+-------------+--------+------+---------------+------+---------+------+--------+-------------+

VS

mysql> EXPLAIN SELECT * FROM temp1 WHERE col1 = BINARY "ABC" AND col2 = "DEF" ;
+----+-------------+-------+-------+---------------+---------------+---------+------+------+------------------------------------+
| id | select_type | table | type  | possible_keys | key           | key_len | ref  | rows | Extra                              |
+----+-------------+-------+-------+---------------+---------------+---------+------+------+------------------------------------+
|  1 | SIMPLE      | temp1 | range | col1_2e9e898e | col1_2e9e898e | 93      | NULL |    2 | Using index condition; Using where |
+----+-------------+-------+-------+---------------+---------------+---------+------+------+------------------------------------+
enter code here

1 row in set (0.00 sec)

You can use a cast on null to make it work.

public static class YoutTypeExtensionExample
{
    public static void Example()
    {
        ((YourType)null).ExtensionMethod();
    }
}

The extension:

public static class YourTypeExtension
{
    public static void ExtensionMethod(this YourType x) { }
}

YourType:

public class YourType { }

As it was said already @INC is an array and you're free to add anything you want.

My CGI REST script looks like:

#!/usr/bin/perl
use strict;
use warnings;
BEGIN {
    push @INC, 'fully_qualified_path_to_module_wiht_our_REST.pm';
}
use Modules::Rest;
gone(@_);

Subroutine gone is exported by Rest.pm.

I had this exact issue while trying to install mayavi.

So I also had the common error: Microsoft Visual C++ 14.0 is required when pip installing a library.

After looking across many web pages and the solutions to this thread, with none of them working. I figured these steps (most taken from previous solutions) allowed this to work.

1. Go to Build Tools for Visual Studio 2017 and install Build Tools for Visual Studio 2017. Which is under All downloads (scroll down) >> Tools for Visual Studio 2017
   • If you have already installed this skip to 2.

2. Select the C++ Components you require (I didn't know which I required so installed many of them).
   • If you have already installed Build Tools for Visual Studio 2017 then open the application Visual Studio Installer then go to Visual Studio Build Tools 2017 >> Modify >> Individual Components and selected the required components.
   • From other answers important components appear to be: C++/CLI support, VC++ 2017 version <...> latest, Visual C++ 2017 Redistributable Update, Visual C++ tools for CMake, Windows 10 SDK <...> for Desktop C++, Visual C++ Build Tools core features, Visual Studio C++ core features.

3. Install/Modify these components for Visual Studio Build Tools 2017.

4. This is the important step. Open the application Visual Studio Installer then go to Visual Studio Build Tools >> Launch. Which will open a CMD window at the correct location for Microsoft Visual Studio\YYYY\BuildTools.

5. Now enter python -m pip install --upgrade setuptools within this CMD window.

6. Finally, in this same CMD window pip install your python library: pip install -U <library>.

just install ojdbc-full, That contains the 12.1.0.1 release.

Simply doing the vim "save and quit" command :wq should do the trick.

In order to have Git open it in another editor, you need to change the Git core.editor setting to a command which runs the editor you want.

git config --global core.editor "command to start sublime text 2"

For emulating Ruby syntax (and convey the semantics) of opening and reading a file, consider this implicit class (Scala 2.10 and upper),

import java.io.File

def open(filename: String) = new File(filename)

implicit class RichFile(val file: File) extends AnyVal {
  def read = io.Source.fromFile(file).getLines.mkString("\n")
}

In this way,

open("file.txt").read

I like to check if it isset and if it's empty in a ternary operator.

// POST variable check
$userID  = (isset( $_POST['userID'] )    && !empty( $_POST['userID'] ))   ? $_POST['userID']   :  null;
$line    = (isset( $_POST['line'] )      && !empty( $_POST['line'] ))     ? $_POST['line']     :  null;
$message = (isset( $_POST['message'] )   && !empty( $_POST['message'] ))  ? $_POST['message']  :  null;
$source  = (isset( $_POST['source'] )    && !empty( $_POST['source'] ))   ? $_POST['source']   :  null;
$version = (isset( $_POST['version'] )   && !empty( $_POST['version'] ))  ? $_POST['version']  :  null;
$release = (isset( $_POST['release'] )   && !empty( $_POST['release'] ))  ? $_POST['release']  :  null;

This is the shortest version I could find,saving/hiding an extra conversion:

pil_image = PIL.Image.open('image.jpg')
opencvImage = cv2.cvtColor(numpy.array(pil_image), cv2.COLOR_RGB2BGR)

If reading a file from a URL:

import cStringIO
import urllib
file = cStringIO.StringIO(urllib.urlopen(r'http://stackoverflow.com/a_nice_image.jpg').read())
pil_image = PIL.Image.open(file)
opencvImage = cv2.cvtColor(numpy.array(pil_image), cv2.COLOR_RGB2BGR)

Open files

Processes with open files are the usual culprits. Display them:

lsof +f -- <mountpoint or device>

There is an advantage to using /dev/<device> rather than /mountpoint: a mountpoint will disappear after an umount -l, or it may be hidden by an overlaid mount.

fuser can also be used, but to my mind lsof has a more useful output. However fuser is useful when it comes to killing the processes causing your dramas so you can get on with your life.

List files on <mountpoint> (see caveat above):

fuser -vmM <mountpoint>

Interactively kill only processes with files open for writing:

fuser -vmMkiw <mountpoint>

After remounting read-only (mount -o remount,ro <mountpoint>), it is safe(r) to kill all remaining processes:

fuser -vmMk <mountpoint>

Mountpoints

The culprit can be the kernel itself. Another filesystem mounted on the filesystem you are trying to umount will cause grief. Check with:

mount | grep <mountpoint>/

For loopback mounts, also check the output of:

losetup -la

Anonymous inodes (Linux)

Anonymous inodes can be created by:

• Temporary files (open with O_TMPFILE)
• inotify watches
• [eventfd]
• [eventpoll]
• [timerfd]

These are the most elusive type of pokemon, and appear in lsof's TYPE column as a_inode (which is undocumented in the lsof man page).

They won't appear in lsof +f -- /dev/<device>, so you'll need to:

lsof | grep a_inode

For killing processes holding anonymous inodes, see: List current inotify watches (pathname, PID).

Here's a potential solution that will set the width of the bookType column (i.e. format of the bookTypes value) based on the longest bookTypes value.

public class Test {
    public static void main(String[] args) {
        String[] bookTypes = { "Newspaper", "Paper Back", "Hardcover book", "Electronic book", "Magazine" };
        double[] costs = { 1.0, 7.5, 10.0, 2.0, 3.0 };

        // Find length of longest bookTypes value.
        int maxLengthItem = 0;
        boolean firstValue = true;
        for (String bookType : bookTypes) {
            maxLengthItem = (firstValue) ? bookType.length() : Math.max(maxLengthItem, bookType.length());
            firstValue = false;
        }

        // Display rows of data
        for (int i = 0; i < bookTypes.length; i++) {
            // Use %6.2 instead of %.2 so that decimals line up, assuming max
            // book cost of $999.99. Change 6 to a different number if max cost
            // is different
            String format = "%d. %-" + Integer.toString(maxLengthItem) + "s \t\t $%9.2f\n";
            System.out.printf(format, i + 1, bookTypes[i], costs[i]);
        }
    }
}

hope this help you or Ctrl + Alt + Shift + S => select Dependencies tab and find what you need ( see my image)

Ya session storage and local storage are same in behaviour except one that is local storage will store the data until and unless the user delete the cache and cookies and session storage data will retain in the system until we close the session i,e until we close the session storage created window.

Make the splits depend on the same list of abis as the external build. Single source of truth.

android {
// ...
defaultConfig {
// ...
    externalNativeBuild {
        cmake {
            cppFlags "-std=c++17"
            abiFilters 'x86', 'armeabi-v7a', 'x86_64'
        }
    }
} //defaultConfig

splits {
    abi {
        enable true
        reset()
        include defaultConfig.externalNativeBuild.getCmake().getAbiFilters().toListString()
        universalApk true
    }
}
} //android

if you're using windows OS open Anaconda Prompt and type activate yourenvname

And if you're using mac or Linux OS open Terminal and type source activate yourenvname

yourenvname here is your desired environment in which you want to install pip package

after typing above command you must see that your environment name is changed from base to your typed environment yourenvname in console output (which means you're now in your desired environment context)

Then all you need to do is normal pip install command e.g pip install yourpackage

By doing so, the pip package will be installed in your Conda environment

Pure javascript would be like this

var children = document.getElementById('test').children;

If you are using jQuery it would be like this

$("#test").children()

In C# 6 you can use string interpolation:

string name = "John";
string result = $"Hello {name}";

The syntax highlighting for this in Visual Studio makes it highly readable and all of the tokens are checked.

You can use SimpleDateformat for change string to date

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
String strDate = "2000-01-01";
Date date = sdf.parse(strDate);

I would probably use an integer as your primary key, and then just have your string (I assume it's some sort of ID) as a separate column.

create table sample (
  sample_pk             INT NOT NULL AUTO_INCREMENT,
  sample_id             VARCHAR(100) NOT NULL,
  ...
  PRIMARY KEY(sample_pk)
);

You can always do queries and joins conditionally on the string (ID) column (where sample_id = ...).

Fundamentally if you use it as part of a business then its commercial use - so its not a matter of whether the tools are directly generating income or not rather one of if they are being used in support of income generation directly or indirectly.

To take your specific example, if the purpose of the site is to sell or promote your paid services/product then its a commercial enterprise.

In case you want jquery validate to auto pick validations on dynamically added items, you can simply remove and add validation on the whole form like below

//remove validations on entire form
$("#yourFormId")
    .removeData("validator")
    .removeData("unobtrusiveValidation");

//Simply add it again
$.validator
    .unobtrusive
    .parse("#yourFormId");

If you want to DROP a table which has been referenced by other table using the foreign key use

DROP TABLE *table_name* CASCADE CONSTRAINTS;
I think it should work for you.

select sum(qty), name
from (
    select count(m.owner_id) as qty, o.name
    from transport t,owner o,motorbike m
    where t.type='motobike' and o.owner_id=m.owner_id
        and t.type_id=m.motorbike_id
    group by m.owner_id

    union all

    select count(c.owner_id) as qty, o.name,
    from transport t,owner o,car c
    where t.type='car' and o.owner_id=c.owner_id and t.type_id=c.car_id
    group by c.owner_id
) t
group by name

auto s = string("one").append("two").append("three")

For anyone looking for a solution in 2021 you can use Currency.js.

After much research this was the most reliable method I found for production, I didn't have any issues so far. In addition it's very active on Github.

currency(123);      // 123.00
currency(1.23);     // 1.23
currency("1.23")    // 1.23
currency("$12.30")  // 12.30

var value = currency("123.45");
currency(value);    // 123.45

The following will solve your problem:

td.last {
    width: 1px;
    white-space: nowrap;
}

Flexible, Class-Based Solution

And a more flexible solution is creating a .fitwidth class and applying that to any columns you want to ensure their contents are fit on one line:

td.fitwidth {
    width: 1px;
    white-space: nowrap;
}

And then in your HTML:

<tr>
    <td class="fitwidth">ID</td>
    <td>Description</td>
    <td class="fitwidth">Status</td>
    <td>Notes</td>
</tr>

If your project is not AndroidX (mean Appcompat) and got this error, try to downgrade dependencies versions that triggers this error, in my case play-services-location ("implementation 'com.google.android.gms:play-services-location:17.0.0'") , I solved the problem by downgrading to com.google.android.gms:play-services-location:16.0.0'

Had a weird situation where I had a decimal variable, when serializing 55.50 it always sets default value mathematically as 55.5. But whereas, our client system is seriously expecting 55.50 for some reason and they definitely expected decimal. Thats when I had write the below helper, which always converts any decimal value padded to 2 digits with zeros instead of sending a string.

public static class DecimalExtensions
{
    public static decimal WithTwoDecimalPoints(this decimal val)
    {
        return decimal.Parse(val.ToString("0.00"));
    }
}

Usage should be

var sampleDecimalValueV1 = 2.5m;
Console.WriteLine(sampleDecimalValueV1.WithTwoDecimalPoints());

decimal sampleDecimalValueV1 = 2;
Console.WriteLine(sampleDecimalValueV1.WithTwoDecimalPoints());

Output:

2.50
2.00

You can create a util method that converts any collection to a java list

public static List<?> convertObjectToList(Object obj) {
    List<?> list = new ArrayList<>();
    if (obj.getClass().isArray()) {
        list = Arrays.asList((Object[])obj);
    } else if (obj instanceof Collection) {
        list = new ArrayList<>((Collection<?>)obj);
    }
    return list;
}

you can also mix with this validation below:

public static boolean isCollection(Object obj) {
  return obj.getClass().isArray() || obj instanceof Collection;
}

Linux based Tomcat6 should have /etc/tomcat6/tomcat6.conf

# System-wide configuration file for tomcat6 services
# This will be sourced by tomcat6 and any secondary service
# Values will be overridden by service-specific configuration
# files in /etc/sysconfig
#
# Use this one to change default values for all services
# Change the service specific ones to affect only one service
# (see, for instance, /etc/sysconfig/tomcat6)
#

# Where your java installation lives
#JAVA_HOME="/usr/lib/jvm/java-1.5.0"

# Where your tomcat installation lives
CATALINA_BASE="/usr/share/tomcat6"
...

*)If a variable is declared as private then it is not visible outside of the class.this is called as datahiding.

*)If a variable is declared as static then the value of the variable is same for all the instances and we no need to create an object to call that variable.we can call that variable by simply

classname.variablename;

string html = File.ReadAllText(path);

You should be setting the src using this:

document["pic1"].src = searchPic.src;

or

$("#pic1").attr("src", searchPic.src);

Useful Python XML parsers:

1. Minidom - functional but limited
2. ElementTree - decent performance, more functionality
3. lxml - high-performance in most cases, high functionality including real xpath support

Any of those is better than trying to update the XML file as strings of text.

What that means to you:

Open your file with an XML parser of your choice, find the node you're interested in, replace the value, serialize the file back out.

One way is to use the code Gamlet posted in his answer:

• Save it as curl.php

• Then in your file:

  require 'curl.php';
  
  $photo="https://graph.facebook.com/me/picture?access_token=" . $session['access_token'];
  $sample = new sfFacebookPhoto;
  $thephotoURL = $sample->getRealUrl($photo);
  echo $thephotoURL;
  

I thought I would post this, because it took me a bit of time to figure out the particulars... Even though profile pictures are public, you still need to have an access token in there to get it when you curl it.

First install pillow

pip install pillow

Example

from PIL import Image, ImageDraw, ImageFont

image = Image.open('Focal.png')
width, height = image.size 

draw = ImageDraw.Draw(image)

text = 'https://devnote.in'
textwidth, textheight = draw.textsize(text)

margin = 10
x = width - textwidth - margin
y = height - textheight - margin

draw.text((x, y), text)

image.save('devnote.png')

# optional parameters like optimize and quality
image.save('optimized.png', optimize=True, quality=50)

I had this problem as well on two different Windows computers when communicating with a Arduino Leonardo. The reliable solution was:

• Find the COM port in device manager and open the device properties.
• Open the "Port Settings" tab, and click the advanced button.
• There, uncheck the box "Use FIFO buffers (required 16550 compatible UART), and press OK.

Unfortunately, I don't know what this feature does, or how it affects this issue. After several PC restarts and a dozen device connection cycles, this is the only thing that reliably fixed the issue.

df.to_sql(name = "owner", con= db_connection, schema = 'aws', if_exists='replace', index = >True, index_label='id')

I tried about first 5 solutions and different variations of them, but they didn't work for me.

Finally I got it working with these two functions.

$(document).on('click', '.nav-link', function () {
    $(".nav-item").find(".active").removeClass("active");
})

$(document).ready(function() {
    $('a[href="' + location.pathname + '"]').closest('.nav-item').addClass('active'); 
});

For iPhone and iPod touch, create icons that measure:

    57 X 57 pixels
    114 X 114 pixels (high resolution @2X)

For iPad, create an icon that measures:

    72 x 72 pixels
    144 X 144 pixels (high resolution @2X)

In this code you are not comparing string values, you are comparing pointer values. If you want to compare string values you need to use a string comparison function such as strcmp.

if ( 0 == strcmp(var1, "dev")) {
  ..
}

You can also do it like this:

...
constructor() {
    super();
    this.state = { input1: 0, input2: 0 };
    this.handleChange = this.handleChange.bind(this);
}

handleChange(input, value) {
    this.setState({
        [input]: value
    })
}

render() {
    const total = this.state.input1 + this.state.input2;
    return (
        <div>
            {total}<br />
            <input type="text" onChange={e => this.handleChange('input1', e.target.value)} />
            <input type="text" onChange={e => this.handleChange('input2', e.target.value)} />
        </div>
    )
}

In IOS 8 do it like

navigationController?.hidesBarsOnTap = true

but only when it's part of a UINavigationController

make it false when you want it back

We have found that adding the Apptentive cocoa pod to an existing Xcode project may potentially not include some of our required frameworks.

Check your linker flags:

Target > Build Settings > Other Linker Flags 

You should see -lApptentiveConnect listed as a linker flag:

... -ObjC -lApptentiveConnect ... 

You should also see our required Frameworks listed:

• Accelerate
• CoreData
• CoreText
• CoreGraphics
• CoreTelephony
• Foundation
• QuartzCore
• StoreKit
• SystemConfiguration

• UIKit

  -ObjC -lApptentiveConnect -framework Accelerate -framework CoreData -framework CoreGraphics -framework CoreText -framework Foundation -framework QuartzCore -framework SystemConfiguration -framework UIKit -framework CoreTelephony -framework StoreKit  

While using Column, use this inside the column widget :

mainAxisAlignment: MainAxisAlignment.center

It align its children(s) to the center of its parent Space is its main axis i.e. vertically

or, wrap the column with a Center widget:

Center(
  child: Column(
    children: <ListOfWidgets>,
  ),
)

if it doesn't resolve the issue wrap the parent container with a Expanded widget..

Expanded(
   child:Container(
     child: Column(
       mainAxisAlignment: MainAxisAlignment.center,
       children: children,
     ),
   ),
)

I've updated the great utility jenv to make it easy to setup on macOS.

Follow the instructions on https://github.com/hiddenswitch/jenv

That's not possible. localhost always defaults to the loopback device on the local operating system.
As your virtual machine runs its own operating system it has its own loopback device which you cannot access from the outside.

If you want to access it e.g. in a browser, connect to it using the local IP instead:

http://192.168.180.1:8000

This is just an example of course, you can find out the actual IP by issuing an ifconfig command on a shell in the guest operating system.

You want to know if the column is null

select * from foo where bar is null

If you want to check for some value not equal to something and the column also contains null values you will not get the columns with null in it

does not work:

select * from foo where bar <> 'value'

does work:

select * from foo where bar <> 'value' or bar is null

in Oracle (don't know on other DBMS) some people use this

select * from foo where NVL(bar,'n/a') <> 'value'

if I read the answer from tdammers correctly then in MS SQL Server this is like that

select * from foo where ISNULL(bar,'n/a') <> 'value'

in my opinion it is a bit of a hack and the moment 'value' becomes a variable the statement tends to become buggy if the variable contains 'n/a'.

XCODE 9 AND ABOVE

#if DEVELOP
    //
#elseif PRODCTN
    //
#else
    //
#endif

ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/spring-servlet.xml");

Then you can retrieve the bean:

MyClass myClass = (MyClass) context.getBean("myClass");

Reference: springbyexample.org

"In the default mode, Dot (.) matches any character except a newline. If the DOTALL flag has been specified, this matches any character including a newline." (python Doc)

So, if you want to evaluate dot literaly, I think you should put it in square brackets:

>>> p = re.compile(r'\b(\w+[.]\w+)')
>>> resp = p.search("blah blah blah [email protected] blah blah")
>>> resp.group()
'test.this'

which theme you have used in activity add below one line code

for white

<style name="AppTheme.NoActionBar">
      <item name="android:tint">#ffffff</item>
  </style>

or 
 <style name="AppThemeName" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="android:tint">#ffffff</item>
</style>

for black

   <style name="AppTheme.NoActionBar">
      <item name="android:tint">#000000</item>
  </style>

or 
 <style name="AppThemeName" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="android:tint">#000000</item>
</style>

If you install Web Essentials into Visual studio you can go to Edit => Past special => paste JSON as class.

That is probably the easiest there is.

Web Essentials: http://vswebessentials.com/

On Window machine install any version of Git. I installed

Git-2.14.1-64-bit.exe

. Got to search program and search for git.exe. The file can be located under

C:\Users\sd\AppData\Local\Programs\Git\bin\git.exe

.

Open Intelli IDEA>Settings>Version Control>Git. On Path To Git executable add the path. Click on Test button. It will show a message as

Git executed successfully

Now click on Apply and Save. This will solve the issue. .

For solving this issue i would recommend to define explicitly the version for the ext variables at the android/build.gradle at your root project

ext {
    googlePlayServicesVersion = "16.1.0" // default: "+"
    firebaseVersion = "15.0.2" // default: "+"

    // Other settings
    compileSdkVersion = <Your compile SDK version> // default: 23
    buildToolsVersion = "<Your build tools version>" // default: "23.0.1"
    targetSdkVersion = <Your target SDK version> // default: 23
    supportLibVersion = "<Your support lib version>" // default: 23.1.1
}

reference https://github.com/zo0r/react-native-push-notification/issues/1109#issuecomment-506414941

Yes - .gitignore system only ignores files not currently under version control from git.

I.e. if you've already added a file called test.txt using git-add, then adding test.txt to .gitignore will still cause changes to test.txt to be tracked.

You would have to git rm test.txt first and commit that change. Only then will changes to test.txt be ignored.

import React from 'react';
import {connect} from 'react-redux';
import Userlist from './Userlist';

class Userdetails extends React.Component{

render(){
    return(
        <div>
            <p>Name : <span>{this.props.user.name}</span></p>
            <p>ID : <span>{this.props.user.id}</span></p>
            <p>Working : <span>{this.props.user.Working}</span></p>
            <p>Age : <span>{this.props.user.age}</span></p>
        </div>
    );
 }

}

 function mapStateToProps(state){  
  return {
    user:state.activeUser  
}

}

  export default connect(mapStateToProps, null)(Userdetails);

The CSS table model is based on the HTML table model http://www.w3.org/TR/CSS21/tables.html

A table is divided into ROWS, and each row contains one or more cells. Cells are children of ROWS, they are NEVER children of columns.

"display: table-column" does NOT provide a mechanism for making columnar layouts (e.g. newspaper pages with multiple columns, where content can flow from one column to the next).

Rather, "table-column" ONLY sets attributes that apply to corresponding cells within the rows of a table. E.g. "The background color of the first cell in each row is green" can be described.

The table itself is always structured the same way it is in HTML.

In HTML (observe that "td"s are inside "tr"s, NOT inside "col"s):

<table ..>
  <col .. />
  <col .. />
  <tr ..>
    <td ..></td>
    <td ..></td>
  </tr>
  <tr ..>
    <td ..></td>
    <td ..></td>
  </tr>
</table>

Corresponding HTML using CSS table properties (Note that the "column" divs do not contain any contents -- the standard does not allow for contents directly in columns):

.mytable {_x000D_
  display: table;_x000D_
}_x000D_
.myrow {_x000D_
  display: table-row;_x000D_
}_x000D_
.mycell {_x000D_
  display: table-cell;_x000D_
}_x000D_
.column1 {_x000D_
  display: table-column;_x000D_
  background-color: green;_x000D_
}_x000D_
.column2 {_x000D_
  display: table-column;_x000D_
}

<div class="mytable">_x000D_
  <div class="column1"></div>_x000D_
  <div class="column2"></div>_x000D_
  <div class="myrow">_x000D_
    <div class="mycell">contents of first cell in row 1</div>_x000D_
    <div class="mycell">contents of second cell in row 1</div>_x000D_
  </div>_x000D_
  <div class="myrow">_x000D_
    <div class="mycell">contents of first cell in row 2</div>_x000D_
    <div class="mycell">contents of second cell in row 2</div>_x000D_
  </div>_x000D_
</div>

OPTIONAL: both "rows" and "columns" can be styled by assigning multiple classes to each row and cell as follows. This approach gives maximum flexibility in specifying various sets of cells, or individual cells, to be styled:

//Useful css declarations, depending on what you want to affect, include:_x000D_
_x000D_
/* all cells (that have "class=mycell") */_x000D_
.mycell {_x000D_
}_x000D_
_x000D_
/* class row1, wherever it is used */_x000D_
.row1 {_x000D_
}_x000D_
_x000D_
/* all the cells of row1 (if you've put "class=mycell" on each cell) */_x000D_
.row1 .mycell {_x000D_
}_x000D_
_x000D_
/* cell1 of row1 */_x000D_
.row1 .cell1 {_x000D_
}_x000D_
_x000D_
/* cell1 of all rows */_x000D_
.cell1 {_x000D_
}_x000D_
_x000D_
/* row1 inside class mytable (so can have different tables with different styles) */_x000D_
.mytable .row1 {_x000D_
}_x000D_
_x000D_
/* all the cells of row1 of a mytable */_x000D_
.mytable .row1 .mycell {_x000D_
}_x000D_
_x000D_
/* cell1 of row1 of a mytable */_x000D_
.mytable .row1 .cell1 {_x000D_
}_x000D_
_x000D_
/* cell1 of all rows of a mytable */_x000D_
.mytable .cell1 {_x000D_
}

<div class="mytable">_x000D_
  <div class="column1"></div>_x000D_
  <div class="column2"></div>_x000D_
  <div class="myrow row1">_x000D_
    <div class="mycell cell1">contents of first cell in row 1</div>_x000D_
    <div class="mycell cell2">contents of second cell in row 1</div>_x000D_
  </div>_x000D_
  <div class="myrow row2">_x000D_
    <div class="mycell cell1">contents of first cell in row 2</div>_x000D_
    <div class="mycell cell2">contents of second cell in row 2</div>_x000D_
  </div>_x000D_
</div>

In today's flexible designs, which use <div> for multiple purposes, it is wise to put some class on each div, to help refer to it. Here, what used to be <tr> in HTML became class myrow, and <td> became class mycell. This convention is what makes the above CSS selectors useful.

PERFORMANCE NOTE: putting class names on each cell, and using the above multi-class selectors, is better performance than using selectors ending with *, such as .row1 * or even .row1 > *. The reason is that selectors are matched last first, so when matching elements are being sought, .row1 * first does *, which matches all elements, and then checks all the ancestors of each element, to find if any ancestor has class row1. This might be slow in a complex document on a slow device. .row1 > * is better, because only the immediate parent is examined. But it is much better still to immediately eliminate most elements, via .row1 .cell1. (.row1 > .cell1 is an even tighter spec, but it is the first step of the search that makes the biggest difference, so it usually isn't worth the clutter, and the extra thought process as to whether it will always be a direct child, of adding the child selector >.)

The key point to take away re performance is that the last item in a selector should be as specific as possible, and should never be *.

Java doesn't have "true" multidimensional arrays.

For example, arr[i][j][k] is equivalent to ((arr[i])[j])[k]. In other words, arr is simply an array, of arrays, of arrays.

So, if you know how arrays work, you know how multidimensional arrays work!

Declaration:

int[][][] threeDimArr = new int[4][5][6];

or, with initialization:

int[][][] threeDimArr = { { { 1, 2 }, { 3, 4 } }, { { 5, 6 }, { 7, 8 } } };

Access:

int x = threeDimArr[1][0][1];

or

int[][] row = threeDimArr[1];

String representation:

Arrays.deepToString(threeDimArr);

yields

"[[[1, 2], [3, 4]], [[5, 6], [7, 8]]]"

Useful articles

• Java: Initializing a multidimensional array
• Java: Matrices and Multidimensional Arrays

Several definitions of the same name

<C-w>g<C-]> open the definition in a split, but also do :tjump which either goes to the definition or, if there are several definitions, presents you with a list of definitions to choose from.

Use DATESTR

>> datestr(40189)
ans =
12-Jan-0110

Unfortunately, Excel starts counting at 1-Jan-1900. Find out how to convert serial dates from Matlab to Excel by using DATENUM

>> datenum(2010,1,11)
ans =
      734149
>> datenum(2010,1,11)-40189
ans =
      693960
>> datestr(40189+693960)
ans =
11-Jan-2010

In other words, to convert any serial Excel date, call

datestr(excelSerialDate + 693960)

EDIT

To get the date in mm/dd/yyyy format, call datestr with the specified format

excelSerialDate = 40189;
datestr(excelSerialDate + 693960,'mm/dd/yyyy')
ans =
01/11/2010

Also, if you want to get rid of the leading zero for the month, you can use REGEXPREP to fix things

excelSerialDate = 40189;
regexprep(datestr(excelSerialDate + 693960,'mm/dd/yyyy'),'^0','')
ans =
1/11/2010

Calculating point around circumference of circle given distance travelled.
For comparison... This may be useful in Game AI when moving around a solid object in a direct path.

public static Point DestinationCoordinatesArc(Int32 startingPointX, Int32 startingPointY,
    Int32 circleOriginX, Int32 circleOriginY, float distanceToMove,
    ClockDirection clockDirection, float radius)
{
    // Note: distanceToMove and radius parameters are float type to avoid integer division
    // which will discard remainder

    var theta = (distanceToMove / radius) * (clockDirection == ClockDirection.Clockwise ? 1 : -1);
    var destinationX = circleOriginX + (startingPointX - circleOriginX) * Math.Cos(theta) - (startingPointY - circleOriginY) * Math.Sin(theta);
    var destinationY = circleOriginY + (startingPointX - circleOriginX) * Math.Sin(theta) + (startingPointY - circleOriginY) * Math.Cos(theta);

    // Round to avoid integer conversion truncation
    return new Point((Int32)Math.Round(destinationX), (Int32)Math.Round(destinationY));
}

/// <summary>
/// Possible clock directions.
/// </summary>
public enum ClockDirection
{
    [Description("Time moving forwards.")]
    Clockwise,
    [Description("Time moving moving backwards.")]
    CounterClockwise
}

private void ButtonArcDemo_Click(object sender, EventArgs e)
{
    Brush aBrush = (Brush)Brushes.Black;
    Graphics g = this.CreateGraphics();

    var startingPointX = 125;
    var startingPointY = 75;
    for (var count = 0; count < 62; count++)
    {
        var point = DestinationCoordinatesArc(
            startingPointX: startingPointX, startingPointY: startingPointY,
            circleOriginX: 75, circleOriginY: 75,
            distanceToMove: 5,
            clockDirection: ClockDirection.Clockwise, radius: 50);
        g.FillRectangle(aBrush, point.X, point.Y, 1, 1);

        startingPointX = point.X;
        startingPointY = point.Y;

        // Pause to visually observe/confirm clock direction
        System.Threading.Thread.Sleep(35);

        Debug.WriteLine($"DestinationCoordinatesArc({point.X}, {point.Y}");
    }
}

If mutt is not working or not installed,try this-

*#!/bin/sh

FilePath=$1
FileName=$2
Message=$3
MailList=$4

cd $FilePath

Rec_count=$(wc -l < $FileName)
if [ $Rec_count -gt 0 ]
then
(echo "The attachment contains $Message" ; uuencode $FileName $FileName.csv ) | mailx -s "$Message" $MailList
fi*

You could query the table_privileges table in the information schema:

SELECT table_catalog, table_schema, table_name, privilege_type
FROM   information_schema.table_privileges 
WHERE  grantee = 'MY_USER'

If you are using Git Gui on windows,

1. Abort the merge
2. Make sure you are on your target branch
3. Delete the conflicting file from explorer
4. Rescan for changes in Git Gui (F5)
5. Notice that conflicting file is deleted
6. Select Stage Changed Files To Commit (Ctrl-I) from Commit menu
7. Enter a commit comment like "deleted conflicting file"
8. Commit (ctrl-enter)
9. Now if you restart the merge it will (hopefully) work.

I think the JavaScriptSerializer does not create a dynamic object.

So you should define the class first:

class MyObj {
    public int arg1 {get;set;}
    public int arg2 {get;set;}
}

And deserialize that instead of object:

serializer.Deserialize<MyObj>(str);

Not testet, please try.

For UltraEdit and anything for that matter, I use the good old Courier New.

alt text http://www.identifont.com/samples/microsoft/CourierNew.gif

I've found Consolas to difficult to read with it's over anti-aliasing.

You need to make sure requestAnimFrame stops being called once game == 1. A break statement only exits a traditional loop (e.g. while()).

function loop() {
    if (isPlaying) {
        jet1.draw();
        drawAllEnemies();
        if (game != 1) {
            requestAnimFrame(loop);
        }
    }
}

Or alternatively you could simply skip the second if condition and change the first condition to if (isPlaying && game !== 1). You would have to make a variable called game and give it a value of 0. Add 1 to it every game.

step by step

given you have a textbox as following,

<asp:TextBox ID="TextBox13" runat="server" 
  onkeypress="return functionx(event)" >
</asp:TextBox>

you create a JavaScript function like this:

     <script type = "text/javascript">
         function functionx(evt) 
         {
            if (evt.charCode > 31 && (evt.charCode < 48 || evt.charCode > 57))
                  {
                    alert("Allow Only Numbers");
                    return false;
                  }
          }
     </script>

the first part of the if-statement excludes the ASCII control chars, the or statements exclued anything, that is not a number

Generally speaking, the cli/php.ini file is used when the PHP binary is called from the command-line.
You can check that running php --ini from the command-line.

fpm/php.ini will be used when PHP is run as FPM -- which is the case with an nginx installation.
And you can check that calling phpinfo() from a php page served by your webserver.

cgi/php.ini, in your situation, will most likely not be used.

Using two distinct php.ini files (one for CLI, and the other one to serve pages from your webserver) is done quite often, and has one main advantages : it allows you to have different configuration values in each case.

Typically, in the php.ini file that's used by the web-server, you'll specify a rather short max_execution_time : web pages should be served fast, and if a page needs more than a few dozen seconds (30 seconds, by default), it's probably because of a bug -- and the page's generation should be stopped.
On the other hand, you can have pretty long scripts launched from your crontab (or by hand), which means the php.ini file that will be used is the one in cli/. For those scripts, you'll specify a much longer max_execution_time in cli/php.ini than you did in fpm/php.ini.

max_execution_time is a common example ; you could do the same with several other configuration directives, of course.

If you are still getting "find: missing argument to -exec" try wrapping the execute argument in quotes.

find <file path> -type f -exec "chmod 664 {} \;"

Similar to other syntax above but for learning - can you sort by column names?

sort(colnames(test[1:ncol(test)] ))

You can use 'skimage' library in Python

Example:

from skimage.io import imsave
imsave('Path_to_your_folder/File_name.jpg',your_array)

There is a very easy to install and great tool made for Django that I use for styling and it can be used for every frontend framework like Bootstrap, Materialize, Foundation, etc. It is called widget-tweaks Documentation: Widget Tweaks

1. You can use it with Django's generic views
2. Or with your own forms:

from django import forms

class ContactForm(forms.Form):
    subject = forms.CharField(max_length=100)
    email = forms.EmailField(required=False)
    message = forms.CharField(widget=forms.Textarea)

Instead of using default:

{{ form.as_p }} or {{ form.as_ul }}

You can edit it your own way using the render_field attribute that gives you a more html-like way of styling it like this example:

template.html

{% load widget_tweaks %}

<div class="container">
   <div class="col-md-4">
      {% render_field form.subject class+="form-control myCSSclass" placeholder="Enter your subject here" %}
   </div>
   <div class="col-md-4">
      {% render_field form.email type="email" class+="myCSSclassX myCSSclass2" %}
   </div>
   <div class="col-md-4">
      {% render_field form.message class+="myCSSclass" rows="4" cols="6" placeholder=form.message.label %}
   </div>
</div>

This library gives you the opportunity to have well separated yout front end from your backend

I got a way to reproduce this exception.

I use 2 AsyncTask. One do long task and another do short task. After short task complete, call finish(). When long task complete and call Dialog.dismiss(), it crashes.

Here's my sample code:

public class MainActivity extends Activity {
    private static final String TAG = "MainActivity";
    private ProgressDialog mProgressDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Log.d(TAG, "onCreate");

        new AsyncTask<Void, Void, Void>(){
            @Override
            protected void onPreExecute() {
                mProgressDialog = ProgressDialog.show(MainActivity.this, "", "plz wait...", true);
            }

            @Override
            protected Void doInBackground(Void... nothing) {
                try {
                    Log.d(TAG, "long thread doInBackground");
                    Thread.sleep(20000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                return null;
            }

            @Override
            protected void onPostExecute(Void result) {
                Log.d(TAG, "long thread onPostExecute");
                if (mProgressDialog != null && mProgressDialog.isShowing()) {
                    mProgressDialog.dismiss();
                    mProgressDialog = null;
                }
                Log.d(TAG, "long thread onPostExecute call dismiss");
            }
        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);

        new AsyncTask<Void, Void, Void>(){
            @Override
            protected Void doInBackground(Void... params) {
                try {
                    Log.d(TAG, "short thread doInBackground");
                    Thread.sleep(5000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(Void aVoid) {
                super.onPostExecute(aVoid);
                Log.d(TAG, "short thread onPostExecute");
                finish();
                Log.d(TAG, "short thread onPostExecute call finish");
            }
        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.d(TAG, "onDestroy");
    }
}

You can try this and find out what is the best way to fix this issue. From my study, there are at least 4 ways to fix it:

1. @erakitin's answer: call isFinishing() to check activity's state
2. @Kapé's answer: set flag to check activity's state
3. Use try/catch to handle it.
4. Call AsyncTask.cancel(false) in onDestroy(). It will prevent the asynctask to execute onPostExecute() but execute onCancelled() instead.
   Note: onPostExecute() will still execute even you call AsyncTask.cancel(false) on older Android OS, like Android 2.X.X.

You can choose the best one for you.

Just do

git pull origin [branch]

and then you should be able to push.

If you have commits on your own and didn't push it the branch yet, try

git pull --rebase origin [branch]

and then you should be able to push.

Read more about handling branches with Git.

My preference.

lineIter= iter(aFile)
for line in lineIter:
    if line.startswith( ">" ):
         someVaryingText= line
         break
assert len( lineIter.next().strip() ) == 0
acids= []
for line in lineIter:
    if len(line.strip()) == 0:
        break
    acids.append( line )

At this point you have someVaryingText as a string, and the acids as a list of strings. You can do "".join( acids ) to make a single string.

I find this less frustrating (and more flexible) than multiline regexes.

Try this

String[] array = values.split("\\|",-1); 

According to the official documentation, a click on any link in WebView launches an application that handles URLs, which by default is a browser. You need to override the default behavior like this

    myWebView.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return false;
        }
    });

If the actual problem at hand is to concatenate two 1-D arrays vertically, and we are not fixated on using concatenate to perform this operation, I would suggest the use of np.column_stack:

In []: a = np.array([1,2,3])
In []: b = np.array([4,5,6])
In []: np.column_stack((a, b))
array([[1, 4],
       [2, 5],
       [3, 6]])

In addition to all the other answers I'd like to note that if you want to write that number as a literal in your Java code, you'll need to append a L or l to tell the compiler that it's a long constant:

long l1 = 9999999999;  // this won't compile
long l2 = 9999999999L; // this will work

armhf stands for "arm hard float", and is the name given to a debian port for arm processors (armv7+) that have hardware floating point support.

On the beaglebone black, for example:

:~$ dpkg --print-architecture
armhf

Although other commands (such as uname -a or arch) will just show armv7l

:~$ cat /proc/cpuinfo 
processor       : 0
model name      : ARMv7 Processor rev 2 (v7l)
BogoMIPS        : 995.32
Features        : half thumb fastmult vfp edsp thumbee neon vfpv3 tls
...

The vfpv3 listed under Features is what refers to the floating point support.

Incidentally, armhf, if your processor supports it, basically supersedes Raspbian, which if I understand correctly was mainly a rebuild of armhf with work arounds to deal with the lack of floating point support on the original raspberry pi's. Nowdays, of course, there's a whole ecosystem build up around Raspbian, so they're probably not going to abandon it. However, this is partly why the beaglebone runs straight debian, and that's ok even if you're used to Raspbian, unless you want some of the special included non-free software such as Mathematica.

URL-encoding variables using only AngularJS services

With AngularJS 1.4 and up, two services can handle the process of url-encoding data for POST requests, eliminating the need to manipulate the data with transformRequest or using external dependencies like jQuery:

1. $httpParamSerializerJQLike - a serializer inspired by jQuery's .param() (recommended)

2. $httpParamSerializer - a serializer used by Angular itself for GET requests

Example usage

$http({
  url: 'some/api/endpoint',
  method: 'POST',
  data: $httpParamSerializerJQLike($scope.appForm.data), // Make sure to inject the service you choose to the controller
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded' // Note the appropriate header
  }
}).then(function(response) { /* do something here */ });

See a more verbose Plunker demo

How are $httpParamSerializerJQLike and $httpParamSerializer different

In general, it seems $httpParamSerializer uses less "traditional" url-encoding format than $httpParamSerializerJQLike when it comes to complex data structures.

For example (ignoring percent encoding of brackets):

• Encoding an array

{sites:['google', 'Facebook']} // Object with array property

sites[]=google&sites[]=facebook // Result with $httpParamSerializerJQLike

sites=google&sites=facebook // Result with $httpParamSerializer

• Encoding an object

{address: {city: 'LA', country: 'USA'}} // Object with object property

address[city]=LA&address[country]=USA // Result with $httpParamSerializerJQLike

address={"city": "LA", country: "USA"} // Result with $httpParamSerializer

You need to use AND statement in your formula

=IF(AND(IF(NOT(ISBLANK(Q2));TRUE;FALSE);Q2<=R2);"1";"0")

And if both conditions are met, return 1.

You could also add more conditions in your AND statement.

You can do it with SQL Management Studio -

Server Properties - Security - [Server Authentication section] you check Sql Server and Windows authentication mode

Here is the msdn source - http://msdn.microsoft.com/en-us/library/ms188670.aspx

If you are using Eclipse, then you can setup your JDK (not JRE) in Installed JREs, and then use Open Type (Ctrl + Shift + T), give something like java.util.Collections

There are other solutions you can look into http://ngmodules.org/modules/ngUpload as discussed here file uploader integration for angularjs

If you are looking for empty string in addition to whitespace you meed to use * rather than +

var regex = /^\s*$/ ;
                ^

To answer the first part of your question: Microsoft published their Entity Framework version history here.

Check out the substring function.

To get the last character:

id.substring(id.length - 1, id.length);

You may have to concatenate the % signs with your parameter, e.g.:

LIKE '%' || @query || '%'

Edit: Actually, that may not make any sense at all. I think I may have misunderstood your problem.

Try this

 select * from test where Convert(varchar, date,111)= '03/19/2014'

For any Single File Component users, here is how I set up global variable(s)

1. Assuming you are using Vue-Cli's webpack template

2. Declare your variable(s) in somewhere variable.js

   const shallWeUseVuex = false;
   

3. Export it in variable.js

   module.exports = { shallWeUseVuex : shallWeUseVuex };
   

4. Require and assign it in your vue file

   export default {
       data() {
           return {
               shallWeUseVuex: require('../../variable.js')
           };
       }
   }
   

Ref: https://vuejs.org/v2/guide/state-management.html#Simple-State-Management-from-Scratch

In 2019, you can install using chocolatey. Open your cmd or powershell, type "choco install python".

import urllib
from bs4 import BeautifulSoup

url = "https://www.yahoo.com"
html = urllib.urlopen(url).read()
soup = BeautifulSoup(html)

# kill all script and style elements
for script in soup(["script", "style"]):
    script.extract()    # rip it out

# get text
text = soup.get_text()

# break into lines and remove leading and trailing space on each
lines = (line.strip() for line in text.splitlines())
# break multi-headlines into a line each
chunks = (phrase.strip() for line in lines for phrase in line.split("  "))
# drop blank lines
text = '\n'.join(chunk for chunk in chunks if chunk)

print(text.encode('utf-8'))

You need a delimiter for your pattern. It should be added at the start and end of the pattern like so:

$pattern = "/My name is '(.*)' and im fine/";  // With / as a delimeter 

Don't. It just leads to problems. One clbuttic personal experience I have with profanity filters is the time where I was kick/banned from an IRC channel for mentioning that I was "heading over the bridge to Hancock for a couple hours" or something to that effect.

The recommended way is to let str.format handle the casting (docs). Methods with %s substitution may be deprecated eventually (see PEP3101).

>>> answer = True
>>> myvar = "the answer is {}".format(answer)
>>> print(myvar)
the answer is True

In Python 3.6+ you may use literal string interpolation:

 >>> print(f"the answer is {answer}")
the answer is True

You can specify the destination directory as second parameter of the git clone command, so you can do:

git clone <remote> .

This will clone the repository directly in the current local directory.

Based on Wikipedia's articles.

Greedy Approach

A greedy algorithm is an algorithm that follows the problem solving heuristic of making the locally optimal choice at each stage with the hope of finding a global optimum. In many problems, a greedy strategy does not in general produce an optimal solution, but nonetheless a greedy heuristic may yield locally optimal solutions that approximate a global optimal solution in a reasonable time.

We can make whatever choice seems best at the moment and then solve the subproblems that arise later. The choice made by a greedy algorithm may depend on choices made so far but not on future choices or all the solutions to the subproblem. It iteratively makes one greedy choice after another, reducing each given problem into a smaller one.

Dynamic programming

The idea behind dynamic programming is quite simple. In general, to solve a given problem, we need to solve different parts of the problem (subproblems), then combine the solutions of the subproblems to reach an overall solution. Often when using a more naive method, many of the subproblems are generated and solved many times. The dynamic programming approach seeks to solve each subproblem only once, thus reducing the number of computations: once the solution to a given subproblem has been computed, it is stored or "memo-ized": the next time the same solution is needed, it is simply looked up. This approach is especially useful when the number of repeating subproblems grows exponentially as a function of the size of the input.

Difference

Greedy choice property

We can make whatever choice seems best at the moment and then solve the subproblems that arise later. The choice made by a greedy algorithm may depend on choices made so far but not on future choices or all the solutions to the subproblem. It iteratively makes one greedy choice after another, reducing each given problem into a smaller one. In other words, a greedy algorithm never reconsiders its choices.

This is the main difference from dynamic programming, which is exhaustive and is guaranteed to find the solution. After every stage, dynamic programming makes decisions based on all the decisions made in the previous stage, and may reconsider the previous stage's algorithmic path to solution.

For example, let's say that you have to get from point A to point B as fast as possible, in a given city, during rush hour. A dynamic programming algorithm will look into the entire traffic report, looking into all possible combinations of roads you might take, and will only then tell you which way is the fastest. Of course, you might have to wait for a while until the algorithm finishes, and only then can you start driving. The path you will take will be the fastest one (assuming that nothing changed in the external environment).

On the other hand, a greedy algorithm will start you driving immediately and will pick the road that looks the fastest at every intersection. As you can imagine, this strategy might not lead to the fastest arrival time, since you might take some "easy" streets and then find yourself hopelessly stuck in a traffic jam.

Some other details...

In mathematical optimization, greedy algorithms solve combinatorial problems having the properties of matroids.

Dynamic programming is applicable to problems exhibiting the properties of overlapping subproblems and optimal substructure.

The correct php way is to use parse_url()

http://php.net/manual/en/function.parse-url.php

(from php manual)

This function parses a URL and returns an associative array containing any of the various components of the URL that are present.

This function is not meant to validate the given URL, it only breaks it up into the above listed parts. Partial URLs are also accepted, parse_url() tries its best to parse them correctly.

<a data-toggle="tooltip" data-placement="top" title="My Tooltip text!">+</a>

Year(Date)

Year(): Returns the year portion of the date argument.
Date: Current date only.

Explanation of both of these functions from here.

I do it like this <center></center>

<div class="form-actions">
            <center>
                    <button type="submit" class="submit btn btn-primary ">
                        Sign In <i class="icon-angle-right"></i>
                    </button>
            </center>
</div>

I also got this error .I was using Text inside body after changing to XML(text/xml) , got result as expected.

• If your request is XML Request use XML(text/xml).

• If your request is JSON Request use JSON(application/json)

Did find the answer on my own. My problem was, that i use two temporary tables for a join and create the second one out of the first one. But the Index was not copied during creation...

CREATE TEMPORARY TABLE tmpLivecheck (tmpid INTEGER NOT NULL AUTO_INCREMENT, PRIMARY    
KEY(tmpid), INDEX(tmpid))
SELECT * FROM tblLivecheck_copy WHERE tblLivecheck_copy.devId = did;

CREATE TEMPORARY TABLE tmpLiveCheck2 (tmpid INTEGER NOT NULL, PRIMARY KEY(tmpid), 
INDEX(tmpid))  
SELECT * FROM tmpLivecheck;

... solved my problem.

Greetings...

Why parentheses?

Here is the quote from the book programming in scala.

Another important idea illustrated by this example will give you insight into why arrays are accessed with parentheses in Scala. Scala has fewer special cases than Java. Arrays are simply instances of classes like any other class in Scala. When you apply parentheses surrounding one or more values to a variable, Scala will transform the code into an invocation of a method named apply on that variable. So greetStrings(i) gets transformed into greetStrings.apply(i). Thus accessing an element of an array in Scala is simply a method call like any other. This principle is not restricted to arrays: any application of an object to some arguments in parentheses will be transformed to an apply method call. Of course this will compile only if that type of object actually defines an apply method. So it's not a special case; it's a general rule.

Here are a few examples how to pull certain element (first elem in this case) using functional programming style.

  // Create a multdimension Array 
  scala> val a = Array.ofDim[String](2, 3)
  a: Array[Array[String]] = Array(Array(null, null, null), Array(null, null, null))
  scala> a(0) = Array("1","2","3")
  scala> a(1) = Array("4", "5", "6")
  scala> a
  Array[Array[String]] = Array(Array(1, 2, 3), Array(4, 5, 6))

  // 1. paratheses
  scala> a.map(_(0))
  Array[String] = Array(1, 4)
  // 2. apply
  scala> a.map(_.apply(0))
  Array[String] = Array(1, 4)
  // 3. function literal
  scala> a.map(a => a(0))
  Array[String] = Array(1, 4)
  // 4. lift
  scala> a.map(_.lift(0))
  Array[Option[String]] = Array(Some(1), Some(4))
  // 5. head or last 
  scala> a.map(_.head)
  Array[String] = Array(1, 4)

With condition HAVING you will eliminate data with cash not ultrapass 0 if you want, generating more efficiency in your query.

SELECT SUM(cash) AS money FROM Table t1, Table2 t2 WHERE t1.branch = t2.branch 
AND t1.transID = t2.transID
AND ValueDate > @startMonthDate HAVING money > 0;

First install without -g (global) on root. After try using -g (global) It worked for me.

Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.

32-bit programs should be marked with *32.

I considered with timezone in my Google Docs like this:

timezone = "GMT+" + new Date().getTimezoneOffset()/60
var date = Utilities.formatDate(new Date(), timezone, "yyyy-MM-dd HH:mm"); // "yyyy-MM-dd'T'HH:mm:ss'Z'"

my script for Google docs

In Java, static methods belong to the class rather than the instance. This means that you cannot call other instance methods from static methods unless they are called in an instance that you have initialized in that method.

Here's something you might want to do:

public class Foo
{
  public void fee()
  {
     //do stuff  
  }

  public static void main (String[]arg) 
  { 
     Foo foo = new Foo();
     foo.fee();
  } 
}

Notice that you are running an instance method from an instance that you've instantiated. You can't just call call a class instance method directly from a static method because there is no instance related to that static method.

Be sure that you do not have a session timeout that is very short, and also make sure that if you are using cookie based sessions that you are accepting the session.

The FireFox webDeveloperToolbar is helpful at times like this as you can see the cookies set for your application.

Try like this:

this.notifyDataSetChanged();

instead of:

adapter.notifyDataSetChanged();

You have to notifyDataSetChanged() to the ListView not to the adapter class.

Use --build-arg in lower case environment variable:

docker build --build-arg http_proxy=http://proxy:port/ --build-arg https_proxy=http://proxy:port/ --build-arg ftp_proxy=http://proxy:port --build-arg no_proxy=localhost,127.0.0.1,company.com -q=false .

You just want to set the field separator as . using the -F option and print the first field:

$ echo aaa0.bbb.ccc | awk -F'.' '{print $1}'
aaa0

Same thing but using cut:

$ echo aaa0.bbb.ccc | cut -d'.' -f1
aaa0

Or with sed:

$ echo aaa0.bbb.ccc | sed 's/[.].*//'
aaa0

Even grep:

$ echo aaa0.bbb.ccc | grep -o '^[^.]*'
aaa0

I have got this error on open page from Google Cache.

I think, cached page(client) disconnecting on page loading.

You can ignore this error log with try-catch on filter.

Short answer

Either:

• ,[\s\S]*$ or ,.*$ to match everything after the first comma (see explanation for which one to use); or

• [^,]*$ to match everything after the last comma (which is probably what you want).

You can use, for example, /[^,]*/.exec(s)[0] in JavaScript, where s is the original string. If you wanted to use multiline mode and find all matches that way, you could use s.match(/[^,]*/mg) to get an array (if you have more than one of your posted example lines in the variable on separate lines).

Explanation

• [\s\S] is a character class that matches both whitespace and non-whitespace characters (i.e. all of them). This is different from . in that it matches newlines.
• [^,] is a negated character class that matches everything except for commas.
• * means that the previous item can repeat 0 or more times.
• $ is the anchor that requires that the end of the match be at the end of the string (or end of line if using the /m multiline flag).

For the first match, the first regex finds the first comma , and then matches all characters afterward until the end of line [\s\S]*$, including commas.

The second regex matches as many non-comma characters as possible before the end of line. Thus, the entire match will be after the last comma.

var data = [ 
 {"Id": 10004, "PageName": "club"}, 
 {"Id": 10040, "PageName": "qaz"}, 
 {"Id": 10059, "PageName": "jjjjjjj"}
];

$.each(data, function(i, item) {
    alert(data[i].PageName);
});

$.each(data, function(i, item) {
    alert(item.PageName);
});

these two options work well, unless you have something like:

var data.result = [ 
 {"Id": 10004, "PageName": "club"}, 
 {"Id": 10040, "PageName": "qaz"}, 
 {"Id": 10059, "PageName": "jjjjjjj"}
];

$.each(data.result, function(i, item) {
    alert(data.result[i].PageName);
});

EDIT:

try with this and describes what the result

$.get('/Cms/GetPages/123', function(data) {
  alert(data);
});

FOR EDIT 3:

this corrects the problem, but not the idea to use "eval", you should see how are the response in '/Cms/GetPages/123'.

$.get('/Cms/GetPages/123', function(data) {
  $.each(eval(data.replace(/[\r\n]/, "")), function(i, item) {
   alert(item.PageName);
  });
});

var ofd = new Microsoft.Win32.OpenFileDialog() {Filter = "JPEG Files (*.jpeg)|*.jpeg|PNG Files (*.png)|*.png|JPG Files (*.jpg)|*.jpg|GIF Files (*.gif)|*.gif"}; 
var result = ofd.ShowDialog();
if (result == false) return;
textBox1.Text = ofd.FileName;

In v2.0 of the Graph API, calling /me/friends returns the person's friends who also use the app.

In addition, in v2.0, you must request the user_friends permission from each user. user_friends is no longer included by default in every login. Each user must grant the user_friends permission in order to appear in the response to /me/friends. See the Facebook upgrade guide for more detailed information, or review the summary below.

The /me/friendlists endpoint and user_friendlists permission are not what you're after. This endpoint does not return the users friends - its lets you access the lists a person has made to organize their friends. It does not return the friends in each of these lists. This API and permission is useful to allow you to render a custom privacy selector when giving people the opportunity to publish back to Facebook.

If you want to access a list of non-app-using friends, there are two options:

1. If you want to let your people tag their friends in stories that they publish to Facebook using your App, you can use the /me/taggable_friends API. Use of this endpoint requires review by Facebook and should only be used for the case where you're rendering a list of friends in order to let the user tag them in a post.

2. If your App is a Game AND your Game supports Facebook Canvas, you can use the /me/invitable_friends endpoint in order to render a custom invite dialog, then pass the tokens returned by this API to the standard Requests Dialog.

In other cases, apps are no longer able to retrieve the full list of a user's friends (only those friends who have specifically authorized your app using the user_friends permission).

For apps wanting allow people to invite friends to use an app, you can still use the Send Dialog on Web or the new Message Dialog on iOS and Android.

train_test_split is now in model_selection. Just type:

from sklearn.model_selection import train_test_split

it should work

As the other answers have described, lit and typedLit are how to add constant columns to DataFrames. lit is an important Spark function that you will use frequently, but not for adding constant columns to DataFrames.

You'll commonly be using lit to create org.apache.spark.sql.Column objects because that's the column type required by most of the org.apache.spark.sql.functions.

Suppose you have a DataFrame with a some_date DateType column and would like to add a column with the days between December 31, 2020 and some_date.

Here's your DataFrame:

+----------+
| some_date|
+----------+
|2020-09-23|
|2020-01-05|
|2020-04-12|
+----------+

Here's how to calculate the days till the year end:

val diff = datediff(lit(Date.valueOf("2020-12-31")), col("some_date"))
df
  .withColumn("days_till_yearend", diff)
  .show()

+----------+-----------------+
| some_date|days_till_yearend|
+----------+-----------------+
|2020-09-23|               99|
|2020-01-05|              361|
|2020-04-12|              263|
+----------+-----------------+

You could also use lit to create a year_end column and compute the days_till_yearend like so:

import java.sql.Date

df
  .withColumn("yearend", lit(Date.valueOf("2020-12-31")))
  .withColumn("days_till_yearend", datediff(col("yearend"), col("some_date")))
  .show()

+----------+----------+-----------------+
| some_date|   yearend|days_till_yearend|
+----------+----------+-----------------+
|2020-09-23|2020-12-31|               99|
|2020-01-05|2020-12-31|              361|
|2020-04-12|2020-12-31|              263|
+----------+----------+-----------------+

Most of the time, you don't need to use lit to append a constant column to a DataFrame. You just need to use lit to convert a Scala type to a org.apache.spark.sql.Column object because that's what's required by the function.

See the datediff function signature:

As you can see, datediff requires two Column arguments.

Update for the new 64bit arch

Ranges:
CHAR_MIN:   -128
CHAR_MAX:   127
SHRT_MIN:   -32768
SHRT_MAX:   32767
INT_MIN:    -2147483648
INT_MAX:    2147483647
LONG_MIN:   -9223372036854775808
LONG_MAX:   9223372036854775807
ULONG_MAX:  18446744073709551615
LLONG_MIN:  -9223372036854775808
LLONG_MAX:  9223372036854775807
ULLONG_MAX: 18446744073709551615

BufferedImage is a subclass of Image. You don't need to do any conversion.

here i show you my orignal code for automating jqueryui calender from its official site "https://jqueryui.com/resources/demos/datepicker/default.html".

copy paste the code and see it working like charm :)

vote up if you like it :) regards Avadh Goyal

public class JQueryDatePicker2 {
static int targetDay = 0, targetMonth = 0, targetYear = 0;

static int currenttDate = 0, currenttMonth = 0, currenttYear = 0;

static int jumMonthBy = 0;

static boolean increment = true;

public static void main(String[] args) throws InterruptedException {
    // TODO Auto-generated method stub
    String dateToSet = "16/12/2016";

    getCurrentDayMonth();
    System.out.println(currenttDate);
    System.out.println(currenttMonth);
    System.out.println(currenttYear);

    getTargetDayMonthYear(dateToSet);
    System.out.println(targetDay);
    System.out.println(targetMonth);
    System.out.println(targetYear);

    calculateToHowManyMonthToJump();
    System.out.println(jumMonthBy);
    System.out.println(increment);

    System.setProperty("webdriver.chrome.driver",
            "C:\\Users\\avadh.goyal\\Desktop\\selenium-2.52.0\\web driver\\chromedriver.exe");
    WebDriver driver = new ChromeDriver();
    driver.navigate().to(
            "https://jqueryui.com/resources/demos/datepicker/default.html");
    driver.manage().window().maximize();
    Thread.sleep(3000);

    driver.findElement(By.xpath("//*[@id='datepicker']")).click();

    for (int i = 0; i < jumMonthBy; i++) {
        if (increment) {
            driver.findElement(
                    By.xpath("//*[@id='ui-datepicker-div']/div/a[2]/span"))
                    .click();
        } else {
            driver.findElement(
                    By.xpath("//*[@id='ui-datepicker-div']/div/a[1]/span"))
                    .click();
        }
        Thread.sleep(1000);

    }

    driver.findElement(By.linkText(Integer.toString(targetDay))).click();

}

public static void getCurrentDayMonth() {

    Calendar cal = Calendar.getInstance();
    currenttDate = cal.get(Calendar.DAY_OF_MONTH);
    currenttMonth = cal.get(Calendar.MONTH) + 1;
    currenttYear = cal.get(Calendar.YEAR);
}

public static void getTargetDayMonthYear(String dateString) {
    int firstIndex = dateString.indexOf("/");
    int lastIndex = dateString.lastIndexOf("/");

    String day = dateString.substring(0, firstIndex);
    targetDay = Integer.parseInt(day);

    String month = dateString.substring(firstIndex + 1, lastIndex);
    targetMonth = Integer.parseInt(month);

    String year = dateString.substring(lastIndex + 1, dateString.length());
    targetYear = Integer.parseInt(year);

}

public static void calculateToHowManyMonthToJump() {

    if ((targetMonth - currenttMonth) > 0) {
        jumMonthBy = targetMonth - currenttMonth;

    } else {
        jumMonthBy = currenttMonth - targetMonth;
        increment = false;
    }
}

}

From the WordPress Codex:

<?php
$the_slug = 'my_slug';
$args = array(
  'name'        => $the_slug,
  'post_type'   => 'post',
  'post_status' => 'publish',
  'numberposts' => 1
);
$my_posts = get_posts($args);
if( $my_posts ) :
  echo 'ID on the first post found ' . $my_posts[0]->ID;
endif;
?>

WordPress Codex Get Posts

If you want find one value from array, use Array#find:

arr = [1,2,6,4,9] 
arr.find {|e| e % 3 == 0}   #=>  6

See also:

arr.select {|e| e % 3 == 0} #=> [ 6, 9 ]
e.include? 6              #=> true

To find if a value exists in an Array you can also use #in? when using ActiveSupport. #in? works for any object that responds to #include?:

arr = [1, 6]
6.in? arr                 #=> true

Sharing my notes which I usually maintain while reading from Internet, I hope it may be helpful to someone

Candidate Key or available keys

Candidate keys are those keys which is candidate for primary key of a table. In simple words we can understand that such type of keys which full fill all the requirements of primary key which is not null and have unique records is a candidate for primary key. So thus type of key is known as candidate key. Every table must have at least one candidate key but at the same time can have several.

Primary Key

Such type of candidate key which is chosen as a primary key for table is known as primary key. Primary keys are used to identify tables. There is only one primary key per table. In SQL Server when we create primary key to any table then a clustered index is automatically created to that column.

Foreign Key

Foreign key are those keys which is used to define relationship between two tables. When we want to implement relationship between two tables then we use concept of foreign key. It is also known as referential integrity. We can create more than one foreign key per table. Foreign key is generally a primary key from one table that appears as a field in another where the first table has a relationship to the second. In other words, if we had a table A with a primary key X that linked to a table B where X was a field in B, then X would be a foreign key in B.

Alternate Key or Secondary

If any table have more than one candidate key, then after choosing primary key from those candidate key, rest of candidate keys are known as an alternate key of that table. Like here we can take a very simple example to understand the concept of alternate key. Suppose we have a table named Employee which has two columns EmpID and EmpMail, both have not null attributes and unique value. So both columns are treated as candidate key. Now we make EmpID as a primary key to that table then EmpMail is known as alternate key.

Composite Key

When we create keys on more than one column then that key is known as composite key. Like here we can take an example to understand this feature. I have a table Student which has two columns Sid and SrefNo and we make primary key on these two column. Then this key is known as composite key.

Natural keys

A natural key is one or more existing data attributes that are unique to the business concept. For the Customer table there was two candidate keys, in this case CustomerNumber and SocialSecurityNumber. Link http://www.agiledata.org/essays/keys.html

Surrogate key

Introduce a new column, called a surrogate key, which is a key that has no business meaning. An example of which is the AddressID column of the Address table in Figure 1. Addresses don't have an "easy" natural key because you would need to use all of the columns of the Address table to form a key for itself (you might be able to get away with just the combination of Street and ZipCode depending on your problem domain), therefore introducing a surrogate key is a much better option in this case. Link http://www.agiledata.org/essays/keys.html

Unique key

A unique key is a superkey--that is, in the relational model of database organization, a set of attributes of a relation variable for which it holds that in all relations assigned to that variable, there are no two distinct tuples (rows) that have the same values for the attributes in this set

Aggregate or Compound keys

When more than one column is combined to form a unique key, their combined value is used to access each row and maintain uniqueness. These keys are referred to as aggregate or compound keys. Values are not combined, they are compared using their data types.

Simple key

Simple key made from only one attribute.

Super key

A superkey is defined in the relational model as a set of attributes of a relation variable (relvar) for which it holds that in all relations assigned to that variable there are no two distinct tuples (rows) that have the same values for the attributes in this set. Equivalently a super key can also be defined as a set of attributes of a relvar upon which all attributes of the relvar are functionally dependent.

Partial Key or Discriminator key

It is a set of attributes that can uniquely identify weak entities and that are related to same owner entity. It is sometime called as Discriminator.

If that's your exact format, you can go through the list and modify the dictionaries.

for item in list_of_dicts:
    for key, value in item.iteritems():
        try:
            item[key] = int(value)
        except ValueError:
            item[key] = float(value)

If you've got something more general, then you'll have to do some kind of recursive update on the dictionary. Check if the element is a dictionary, if it is, use the recursive update. If it's able to be converted into a float or int, convert it and modify the value in the dictionary. There's no built-in function for this and it can be quite ugly (and non-pythonic since it usually requires calling isinstance).