The plugin vagrant-vbguest solved my problem:

$ vagrant plugin install vagrant-vbguest

Output:

$ vagrant reload
==> default: Attempting graceful shutdown of VM...
...
==> default: Machine booted and ready!
GuestAdditions 4.3.12 running --- OK.
==> default: Checking for guest additions in VM...
==> default: Configuring and enabling network interfaces...
==> default: Exporting NFS shared folders...
==> default: Preparing to edit /etc/exports. Administrator privileges will be required...
==> default: Mounting NFS shared folders...
==> default: VM already provisioned. Run `vagrant provision` or use `--provision` to force it

Just make sure you are running the latest version of VirtualBox

If the NFS server disappeared and you can't get it back online, one trick that I use is to add an alias to the interface with the IP of the NFS server (in this example, 192.0.2.55).

Linux

The command for that is something roughly like:

ifconfig eth0:fakenfs 192.0.2.55 netmask 255.255.255.255

Where 192.0.2.55 is the IP of the NFS server that went away. You should then be able to ping the address, and you should also be able to unmount the filesystem (use unmount -f). You should then destroy the aliased interface so you no longer route traffic to the old NFS server to yourself with:

ifconfig eth0:fakenfs down

FreeBSD and similar operating systems

The command would be something like:

ifconfig em0 alias 192.0.2.55 netmask 255.255.255.255

And then to remove it:

ifconfig em0 delete 192.0.2.55

man ifconfig(8) for more!

BitConverter.GetBytes(int) almost does what you want, except the endianness is wrong.

You can use the IPAddress.HostToNetwork method to swap the bytes within the the integer value before using BitConverter.GetBytes or use Jon Skeet's EndianBitConverter class. Both methods do the right thing(tm) regarding portability.

int value;
byte[] bytes = BitConverter.GetBytes(IPAddress.HostToNetworkOrder(value));

When running the command: cordova plugin remove <PLUGIN NAME>, ensure that you do not add the version number to the plugin name. Just plain plugin name, for example:

cordova plugin remove cordova.plugin_name 

and not:

cordova plugin remove cordova.plugin_name 0.01 

or

cordova plugin remove "cordova.plugin_name 0.01"

In case there is a privilege issue, run with sudo if you are on a *nix system, for example:

sudo cordova plugin remove cordova.plugin_name

Then you may add --save to remove it from the config.xml file. For example:

cordova plugin remove cordova.plugin_name --save

A bit late answer, but I suggest you have a look at a not well known project on codeplex called ConferenceXP

ConferenceXP is an open source research platform that provides simple, flexible, and extensible conferencing and collaboration using high-bandwidth networks and the advanced multimedia capabilities of Microsoft Windows. ConferenceXP helps researchers and educators develop innovative applications and solutions that feature broadcast-quality audio and video in support of real-time distributed collaboration and distance learning environments.

Full source (it's huge!) is provided. It implements the RTP protocol.

This won't win a code golf competition, and borrows from the previous answers - but clearly shows how the key is added, and how the join works. This creates 2 new data frames from lists, then adds the key to do the cartesian product on.

My use case was that I needed a list of all store IDs on for each week in my list. So, I created a list of all the weeks I wanted to have, then a list of all the store IDs I wanted to map them against.

The merge I chose left, but would be semantically the same as inner in this setup. You can see this in the documentation on merging, which states it does a Cartesian product if key combination appears more than once in both tables - which is what we set up.

days = pd.DataFrame({'date':list_of_days})
stores = pd.DataFrame({'store_id':list_of_stores})
stores['key'] = 0
days['key'] = 0
days_and_stores = days.merge(stores, how='left', on = 'key')
days_and_stores.drop('key',1, inplace=True)

If you used the Visual Studio 2012 ASP.NET Web Forms Application template then you would have gotten that reference. I'm assuming it's the one you would get via Nuget instead of the framework System.Data.Entity reference.

I would do it by...

Search backwards from the end of the string until you find the first backslash/forward slash.

Then search backwards again from the end of the string until you find the first dot (.)

You then have the start and end of the file name.

Simples...

1) Plug in Phone through USB (w/ Developer Debugging options enabled)

2) Open Terminal and Navigate to your Android SDK (for Mac):

cd ~/Library/Android/sdk/platform-tools

3) Logcat from that directory (in your terminal) to generate a constant flow of logs (for Mac):

./adb logcat

4) Open your app that crashes to generate crash logs

5) Ctrl+C to stop terminal and look for the logs associated with the app that crashes. It may say something like the following:

AndroidRuntime: FATAL EXCEPTION: main

On some operating sytems (mostly some linux distros, I am looking at you raspbian), .env files don't work. rename them and import that

You can also compare with double value

BigDecimal a= new BigDecimal("1.1"); BigDecimal b =new BigDecimal("1.1");
System.out.println(a.doubleValue()==b.doubleValue());

The following line is looking for the exact NavigableString 'Python':

>>> soup.body.findAll(text='Python')
[]

Note that the following NavigableString is found:

>>> soup.body.findAll(text='Python Jobs') 
[u'Python Jobs']

Note this behaviour:

>>> import re
>>> soup.body.findAll(text=re.compile('^Python$'))
[]

So your regexp is looking for an occurrence of 'Python' not the exact match to the NavigableString 'Python'.

1. What database column types you should use

Your first question was:

What data types would you use in the database (assuming MySQL, possibly in a different timezone that the JVM)? Will the data types be timezone-aware?

In MySQL, the TIMESTAMP column type does a shifting from the JDBC driver local time zone to the database timezone, but it can only store timestamps up to 2038-01-19 03:14:07.999999, so it's not the best choice for the future.

So, better to use DATETIME instead, which doesn't have this upper boundary limitation. However, DATETIME is not timezone aware. So, for this reason, it's best to use UTC on the database side and use the hibernate.jdbc.time_zone Hibernate property.

2. What entity property type you should use

Your second question was:

What data types would you use in Java (Date, Calendar, long, ...)?

On the Java side, you can use the Java 8 LocalDateTime. You can also use the legacy Date, but the Java 8 Date/Time types are better since they are immutable, and don't do a timezone shifting to local timezone when logging them.

Now, we can also answer this question:

What annotations would you use for the mapping (e.g. @Temporal)?

If you are using the LocalDateTime or java.sql.Timestamp to map a timestamp entity property, then you don't need to use @Temporal since HIbernate already knows that this property is to be saved as a JDBC Timestamp.

Only if you are using java.util.Date, you need to specify the @Temporal annotation, like this:

@Temporal(TemporalType.TIMESTAMP)
@Column(name = "created_on")
private Date createdOn;

But, it's much better if you map it like this:

@Column(name = "created_on")
private LocalDateTime createdOn;

How to generate the audit column values

Your third question was:

Whom would you make responsible for setting the timestamps—the database, the ORM framework (Hibernate), or the application programmer?

What annotations would you use for the mapping (e.g. @Temporal)?

There are many ways you can achieve this goal. You can allow the database to do that..

For the create_on column, you could use a DEFAULT DDL constraint, like :

ALTER TABLE post 
ADD CONSTRAINT created_on_default 
DEFAULT CURRENT_TIMESTAMP() FOR created_on;

For the updated_on column, you could use a DB trigger to set the column value with CURRENT_TIMESTAMP() every time a given row is modified.

Or, use JPA or Hibernate to set those.

Let's assume you have the following database tables:

And, each table has columns like:

• created_by
• created_on
• updated_by
• updated_on

Using Hibernate @CreationTimestamp and @UpdateTimestamp annotations

Hibernate offers the @CreationTimestamp and @UpdateTimestamp annotations that can be used to map the created_on and updated_on columns.

You can use @MappedSuperclass to define a base class that will be extended by all entities:

@MappedSuperclass
public class BaseEntity {
 
    @Id
    @GeneratedValue
    private Long id;
 
    @Column(name = "created_on")
    @CreationTimestamp
    private LocalDateTime createdOn;
 
    @Column(name = "created_by")
    private String createdBy;
 
    @Column(name = "updated_on")
    @UpdateTimestamp
    private LocalDateTime updatedOn;
 
    @Column(name = "updated_by")
    private String updatedBy;
 
    //Getters and setters omitted for brevity
}

And, all entities will extend the BaseEntity, like this:

@Entity(name = "Post")
@Table(name = "post")
public class Post extend BaseEntity {
 
    private String title;
 
    @OneToMany(
        mappedBy = "post",
        cascade = CascadeType.ALL,
        orphanRemoval = true
    )
    private List<PostComment> comments = new ArrayList<>();
 
    @OneToOne(
        mappedBy = "post",
        cascade = CascadeType.ALL,
        orphanRemoval = true,
        fetch = FetchType.LAZY
    )
    private PostDetails details;
 
    @ManyToMany
    @JoinTable(
        name = "post_tag",
        joinColumns = @JoinColumn(
            name = "post_id"
        ),
        inverseJoinColumns = @JoinColumn(
            name = "tag_id"
        )
    )
    private List<Tag> tags = new ArrayList<>();
 
    //Getters and setters omitted for brevity
}

However, even if the createdOn and updateOn properties are set by the Hibernate-specific @CreationTimestamp and @UpdateTimestamp annotations, the createdBy and updatedBy require registering an application callback, as illustrated by the following JPA solution.

Using JPA @EntityListeners

You can encapsulate the audit properties in an Embeddable:

@Embeddable
public class Audit {
 
    @Column(name = "created_on")
    private LocalDateTime createdOn;
 
    @Column(name = "created_by")
    private String createdBy;
 
    @Column(name = "updated_on")
    private LocalDateTime updatedOn;
 
    @Column(name = "updated_by")
    private String updatedBy;
 
    //Getters and setters omitted for brevity
}

And, create an AuditListener to set the audit properties:

public class AuditListener {
 
    @PrePersist
    public void setCreatedOn(Auditable auditable) {
        Audit audit = auditable.getAudit();
 
        if(audit == null) {
            audit = new Audit();
            auditable.setAudit(audit);
        }
 
        audit.setCreatedOn(LocalDateTime.now());
        audit.setCreatedBy(LoggedUser.get());
    }
 
    @PreUpdate
    public void setUpdatedOn(Auditable auditable) {
        Audit audit = auditable.getAudit();
 
        audit.setUpdatedOn(LocalDateTime.now());
        audit.setUpdatedBy(LoggedUser.get());
    }
}

To register the AuditListener, you can use the @EntityListeners JPA annotation:

@Entity(name = "Post")
@Table(name = "post")
@EntityListeners(AuditListener.class)
public class Post implements Auditable {
 
    @Id
    private Long id;
 
    @Embedded
    private Audit audit;
 
    private String title;
 
    @OneToMany(
        mappedBy = "post",
        cascade = CascadeType.ALL,
        orphanRemoval = true
    )
    private List<PostComment> comments = new ArrayList<>();
 
    @OneToOne(
        mappedBy = "post",
        cascade = CascadeType.ALL,
        orphanRemoval = true,
        fetch = FetchType.LAZY
    )
    private PostDetails details;
 
    @ManyToMany
    @JoinTable(
        name = "post_tag",
        joinColumns = @JoinColumn(
            name = "post_id"
        ),
        inverseJoinColumns = @JoinColumn(
            name = "tag_id"
        )
    )
    private List<Tag> tags = new ArrayList<>();
 
    //Getters and setters omitted for brevity
}

For instances where running a local webserver is not an option, you can allow Chrome access to file:// files via a browser switch. After some digging, I found this discussion, which mentions a browser switch in opening post. Run your Chrome instance with:

chrome.exe --allow-file-access-from-files

This may be acceptable for development environments, but little else. You certainly don't want this on all the time. This still appears to be an open issue (as of Jan 2011).

See also: Problems with jQuery getJSON using local files in Chrome

In Windows 10, I had to run the windows command prompt (cmd) as administrator. Doing that solved this problem for me.

If the file is large, you may not want to load it entirely into memory at once. This approach avoids that. (Of course, making a dict out of it could still take up some RAM, but it's guaranteed to be smaller than the original file.)

my_dict = {}
for i, line in enumerate(file):
    if (i - 8) % 7:
        continue
    k, v = line.split("\t")[:3:2]
    my_dict[k] = v

Edit: Not sure where I got extend from before. I meant update

Looks like they have moved away from bitbucket and are now on github (https://github.com/pypa/setuptools)

Command to run is:

wget https://bootstrap.pypa.io/ez_setup.py -O - | sudo python

Interfaces are only at compile time. This allows only you to check that the expected data received follows a particular structure. For this you can cast your content to this interface:

this.http.get('...')
    .map(res => <Product[]>res.json());

See these questions:

• How do I cast a JSON object to a typescript class
• How to get Date object from json Response in typescript

You can do something similar with class but the main differences with class are that they are present at runtime (constructor function) and you can define methods in them with processing. But, in this case, you need to instantiate objects to be able to use them:

this.http.get('...')
    .map(res => {
      var data = res.json();
      return data.map(d => {
        return new Product(d.productNumber,
          d.productName, d.productDescription);
      });
    });

The alert() function can't output an object in a read-friendly manner. Try using console.log(object) instead, and fire up your browser's console to debug.

Following this doc you can do this that way:

{{ p.User['first_name']|default('NONE') }}

For those who get this (terribly unclear) error:

COPY failed: stat /var/lib/docker/tmp/docker-builderXXXXXXX/abc.txt: no such file or directory

There could be loads of reasons, including:

• For docker-compose users, remember that the docker-compose.yml context overwrites the context of the Dockerfile. Your COPY statements now need to navigate a path relative to what is defined in docker-compose.yml instead of relative to your Dockerfile.
• Trailing comments or a semicolon on the COPY line: COPY abc.txt /app #This won't work
• The file is in a directory ignored by .dockerignore or .gitignore files (be wary of wildcards)
• You made a typo

Sometimes WORKDIR /abc followed by COPY . xyz/ works where COPY /abc xyz/ fails, but it's a bit ugly.

To anyone else looking for this, I wasn't able to use certutil -importpfx into a specific store, and I didn't want to download the importpfx tool supplied by jaspernygaard's answer in order to avoid the requirement of copying the file to a large number of servers. I ended up finding my answer in a powershell script shown here.

The code uses System.Security.Cryptography.X509Certificates to import the certificate and then moves it into the desired store:

function Import-PfxCertificate { 

    param([String]$certPath,[String]$certRootStore = “localmachine”,[String]$certStore = “My”,$pfxPass = $null) 
    $pfx = new-object System.Security.Cryptography.X509Certificates.X509Certificate2 

    if ($pfxPass -eq $null) 
    {
        $pfxPass = read-host "Password" -assecurestring
    } 

    $pfx.import($certPath,$pfxPass,"Exportable,PersistKeySet") 

    $store = new-object System.Security.Cryptography.X509Certificates.X509Store($certStore,$certRootStore) 
    $store.open("MaxAllowed") 
    $store.add($pfx) 
    $store.close() 
}

You need to use .change() event as well as using # to target element by id:

$('#EventStartTimeMin').change(function() {
    if($(this).val()===""){ 
        console.log('empty');    
    }
});

Fiddle Demo

You can always use a sub-string method:

import datetime;

today = str(datetime.date.today());
curr_year = int(today[:4]);
curr_month = int(today[5:7]);

This will get you the current month and year in integer format. If you want them to be strings you simply have to remove the " int " precedence while assigning values to the variables curr_year and curr_month.

private void ButtonClick(object sender, System.EventArgs e)
{
    MyForm form = new MyForm();
    form.Show(); // or form.ShowDialog(this);
}

Why don't you use your values from the DB and store them on an ArrayList and then just use:

yourSpinner.setSelection(yourArrayList.indexOf("Category 1"));

Assuming you are using an iframe to import content available to the public but not owned by you into your website, you can always use the page anchor to direct you iframe to load where you want it to.

First you create an iframe with the width and height needed to display the data.

<iframe src="http://www.mygreatsite.com/page2.html" width="200px" height="100px"></iframe>

Second install addon such as Show Anchors 2 for Firefox and use it to display all the page anchors on the page you would like display in your iframe. Find the anchor point you want your frame to use and copy the anchor location by right clicking on it.

(You can download and install the plugin here => https://addons.mozilla.org/en-us/firefox/addon/show-anchors-2/)

Third use the copied web address with anchor point as your iframe source. When the frame loads, it will show the page starting at the anchor point you specified.

<iframe src="http://www.mygreatsite.com/page2.html#anchorname_1" width="200px" height="100px"></iframe>

That is the condensed instruction list. Hope it helps!

Like this?

In LINQ:

var sortedList = originalList.OrderBy(foo => !foo.AVC)
                             .ToList();

Or in-place:

originalList.Sort((foo1, foo2) => foo2.AVC.CompareTo(foo1.AVC));

As Jon Skeet says, the trick here is knowing that false is considered to be 'smaller' than true.

If you find that you are doing these ordering operations in lots of different places in your code, you might want to get your type Foo to implement the IComparable<Foo> and IComparable interfaces.

Assuming WinForms, the ForeColor property allows to change all the text in the TextBox (not just what you're about to add):

TextBox.ForeColor = Color.Red;

To only change the color of certain words, look at RichTextBox.

Use the matplotlib savefig function with the keyword argument transparent=True to save the image as a png file.

In [30]: x = np.linspace(0,6,31)

In [31]: y = np.exp(-0.5*x) * np.sin(x)

In [32]: plot(x, y, 'bo-')
Out[32]: [<matplotlib.lines.Line2D at 0x3f29750>]            

In [33]: savefig('demo.png', transparent=True)

Result:

Of course, that plot doesn't demonstrate the transparency. Here's a screenshot of the PNG file displayed using the ImageMagick display command. The checkerboard pattern is the background that is visible through the transparent parts of the PNG file.

If you don't mind using sed then,

$ cat test 
this is line 1
$ sed -i '$ a\this is line 2 without redirection' test 
$ cat test 
this is line 1
this is line 2 without redirection

As the documentation may be a bit long to go through, some explanations :

• -i means an inplace transformation, so all changes will occur in the file you specify
• $ is used to specify the last line
• a means append a line after
• \ is simply used as a delimiter

The following should suffice:

[^ ]

If you want to expand that to anything but white-space (line breaks, tabs, spaces, hard spaces):

[^\s]

or

\S  # Note this is a CAPITAL 'S'!

If you want an alternative to pickle or json, you can use klepto.

>>> init = {'y': 2, 'x': 1, 'z': 3}
>>> import klepto
>>> cache = klepto.archives.file_archive('memo', init, serialized=False)
>>> cache        
{'y': 2, 'x': 1, 'z': 3}
>>>
>>> # dump dictionary to the file 'memo.py'
>>> cache.dump() 
>>> 
>>> # import from 'memo.py'
>>> from memo import memo
>>> print memo
{'y': 2, 'x': 1, 'z': 3}

With klepto, if you had used serialized=True, the dictionary would have been written to memo.pkl as a pickled dictionary instead of with clear text.

You can get klepto here: https://github.com/uqfoundation/klepto

dill is probably a better choice for pickling then pickle itself, as dill can serialize almost anything in python. klepto also can use dill.

You can get dill here: https://github.com/uqfoundation/dill

The additional mumbo-jumbo on the first few lines are because klepto can be configured to store dictionaries to a file, to a directory context, or to a SQL database. The API is the same for whatever you choose as the backend archive. It gives you an "archivable" dictionary with which you can use load and dump to interact with the archive.

http://www.minixml.org is also pretty good. Small and just ANSI C.

If you would like to ignore case you could use the following:

String s = "yip";
String best = "yodel";
int compare = s.compareToIgnoreCase(best);
if(compare < 0){
    //-1, --> s is less than best. ( s comes alphabetically first)
}
else if(compare > 0 ){
// best comes alphabetically first.
}
else{
    // strings are equal.
}

Eg: Add data:-

   Bundle bundle = new Bundle();
   bundle.putString("latitude", latitude);
   bundle.putString("longitude", longitude);
   bundle.putString("board_id", board_id);
   MapFragment mapFragment = new MapFragment();
   mapFragment.setArguments(bundle);

Eg: Get data :-

String latitude =  getArguments().getString("latitude")

Cygwin has fully featured fork() on Windows. Thus if using Cygwin is acceptable for you, then the problem is solved in the case performance is not an issue.

Otherwise you can take a look at how Cygwin implements fork(). From a quite old Cygwin's architecture doc:

5.6. Process Creation The fork call in Cygwin is particularly interesting because it does not map well on top of the Win32 API. This makes it very difficult to implement correctly. Currently, the Cygwin fork is a non-copy-on-write implementation similar to what was present in early flavors of UNIX.

The first thing that happens when a parent process forks a child process is that the parent initializes a space in the Cygwin process table for the child. It then creates a suspended child process using the Win32 CreateProcess call. Next, the parent process calls setjmp to save its own context and sets a pointer to this in a Cygwin shared memory area (shared among all Cygwin tasks). It then fills in the child's .data and .bss sections by copying from its own address space into the suspended child's address space. After the child's address space is initialized, the child is run while the parent waits on a mutex. The child discovers it has been forked and longjumps using the saved jump buffer. The child then sets the mutex the parent is waiting on and blocks on another mutex. This is the signal for the parent to copy its stack and heap into the child, after which it releases the mutex the child is waiting on and returns from the fork call. Finally, the child wakes from blocking on the last mutex, recreates any memory-mapped areas passed to it via the shared area, and returns from fork itself.

While we have some ideas as to how to speed up our fork implementation by reducing the number of context switches between the parent and child process, fork will almost certainly always be inefficient under Win32. Fortunately, in most circumstances the spawn family of calls provided by Cygwin can be substituted for a fork/exec pair with only a little effort. These calls map cleanly on top of the Win32 API. As a result, they are much more efficient. Changing the compiler's driver program to call spawn instead of fork was a trivial change and increased compilation speeds by twenty to thirty percent in our tests.

However, spawn and exec present their own set of difficulties. Because there is no way to do an actual exec under Win32, Cygwin has to invent its own Process IDs (PIDs). As a result, when a process performs multiple exec calls, there will be multiple Windows PIDs associated with a single Cygwin PID. In some cases, stubs of each of these Win32 processes may linger, waiting for their exec'd Cygwin process to exit.

Sounds like a lot of work, doesn't it? And yes, it is slooooow.

EDIT: the doc is outdated, please see this excellent answer for an update

Since nobody said how to check if the file exists AND get the current folder the executable is in (Working Directory):

if (File.Exists(Directory.GetCurrentDirectory() + @"\YourFile.txt")) {
                //do stuff
}

The @"\YourFile.txt" is not case sensitive, that means stuff like @"\YoUrFiLe.txt" and @"\YourFile.TXT" or @"\yOuRfILE.tXt" is interpreted the same.

You could use underscore.js and the each function:

_.each({key1: "value1", key2: "value2"}, function(value) {
  console.log(value);
});

Sometime I have to work from home and connect to office through vpn. Internal domain names should be resolved to different IPs at home. There are several names that have to be changed between office and home. For example:

At office, a => 192.168.0.3, b => 192.168.0.52. 
At home, a => 10.6.1.7, b => 10.4.5.23. 

My solution is to create two files: C:\WINDOWS\system32\drivers\etc\hosts-home and C:\WINDOWS\system32\drivers\etc\hosts-office. Each of them contains set of name-to-IP mapping. From Administrator PowerShell, When I work at the office, execute

C:\WINDOWS\system32> cp .\drivers\etc\hosts-office .\drivers\etc\hosts

When I arrive at home, execute

C:\WINDOWS\system32> cp .\drivers\etc\hosts-home .\drivers\etc\hosts

Set the type of the field as TIMESTAMP too.

Here's a twist on the solution provided by @Anatoliy.

I needed to generate only light colours (for backgrounds), so I went with three letter (#AAA) format:

function get_random_color() {
    var letters = 'ABCDE'.split('');
    var color = '#';
    for (var i=0; i<3; i++ ) {
        color += letters[Math.floor(Math.random() * letters.length)];
    }
    return color;
}

Some operations are quicker than java heap space manager. Delaying operations for some time can free memory space. You can use this method to escape heap size error:

waitForGarbageCollector(new Runnable() {
  @Override
  public void run() {
    // Your operations.
  }
});

/**
 * Measure used memory and give garbage collector time to free up some
 * of the space.
 *
 * @param callback Callback operations to be done when memory is free.
 */
public static void waitForGarbageCollector(final Runnable callback) {

  Runtime runtime;
  long maxMemory;
  long usedMemory;
  double availableMemoryPercentage = 1.0;
  final double MIN_AVAILABLE_MEMORY_PERCENTAGE = 0.1;
  final int DELAY_TIME = 5 * 1000;

  runtime =
    Runtime.getRuntime();

  maxMemory =
    runtime.maxMemory();

  usedMemory =
    runtime.totalMemory() -
    runtime.freeMemory();

  availableMemoryPercentage =
    1 -
    (double) usedMemory /
    maxMemory;

  if (availableMemoryPercentage < MIN_AVAILABLE_MEMORY_PERCENTAGE) {
    try {
      Thread.sleep(DELAY_TIME);
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
    waitForGarbageCollector(
      callback);
  } else {
    // Memory resources are available, go to next operation:
    callback.run();
  }
}

I use something like this to load properties file.

        final ResourceBundle bundle = ResourceBundle
                .getBundle("properties/errormessages");

        for (final Enumeration<String> keys = bundle.getKeys(); keys
                .hasMoreElements();) {
            final String key = keys.nextElement();
            final String value = bundle.getString(key);
            prop.put(key, value);
        }

An Angular universal solution; I needed to wait for a particular element to be on the page before loading a script to play a video.

import {Inject, Injectable, PLATFORM_ID} from '@angular/core';
import {isPlatformBrowser} from "@angular/common";

@Injectable({
  providedIn: 'root'
})
export class ScriptLoaderService {

  constructor(
    @Inject(PLATFORM_ID) private platformId: Object,
  ) {
  }

  load(scriptUrl: string) {
    if (isPlatformBrowser(this.platformId)) {
      let node: any = document.createElement('script');
      node.src = scriptUrl;
      node.type = 'text/javascript';
      node.async = true;
      node.charset = 'utf-8';
      document.getElementsByTagName('head')[0].appendChild(node);
    }
  }
}

Some advantages to the second option:

1. You can use this inside onclick to reference the anchor itself (doing the same in option 1 will give you window instead).

2. You can set the href to a non-JS compatible URL to support older browsers (or those that have JS disabled); browsers that support JavaScript will execute the function instead (to stay on the page you have to use onclick="return someFunction();" and return false from inside the function or onclick="return someFunction(); return false;" to prevent default action).

3. I've seen weird stuff happen when using href="javascript:someFunction()" and the function returns a value; the whole page would get replaced by just that value.

Pitfalls

Inline code:

1. Runs in document scope as opposed to code defined inside <script> tags which runs in window scope; therefore, symbols may be resolved based on an element's name or id attribute, causing the unintended effect of attempting to treat an element as a function.

2. Is harder to reuse; delicate copy-paste is required to move it from one project to another.

3. Adds weight to your pages, whereas external code files can be cached by the browser.

Since you're dealing with values that are just supposed to be boolean anyway, just use == and convert the logical response to as.integer:

df <- data.frame(col = c("true", "true", "false"))
df
#     col
# 1  true
# 2  true
# 3 false
df$col <- as.integer(df$col == "true")
df
#   col
# 1   1
# 2   1
# 3   0

If you want to transpose a matrix like A = np.array([[1,2],[3,4]]), then you can simply use A.T, but for a vector like a = [1,2], a.T does not return a transpose! and you need to use a.reshape(-1, 1), as below

import numpy as np
a = np.array([1,2])
print('a.T not transposing Python!\n','a = ',a,'\n','a.T = ', a.T)
print('Transpose of vector a is: \n',a.reshape(-1, 1))

A = np.array([[1,2],[3,4]])
print('Transpose of matrix A is: \n',A.T)

This thread was quite helpful. The jQuery selector need to be told which of the selected elements the following code applies to. The easiest way is to append a

    [0]

such as

    $(".test")[0].play();

I created a more comprehensive and cleaner version that some people might find useful for remembering which name corresponds to which value. I used Chrome Dev Tool's color code and labels are organized symmetrically to pick up analogies faster:

• Note 1: clientLeft also includes the width of the vertical scroll bar if the direction of the text is set to right-to-left (since the bar is displayed to the left in that case)

• Note 2: the outermost line represents the closest positioned parent (an element whose position property is set to a value different than static or initial). Thus, if the direct container isn’t a positioned element, then the line doesn’t represent the first container in the hierarchy but another element higher in the hierarchy. If no positioned parent is found, the browser will take the html or body element as reference

Hope somebody finds it useful, just my 2 cents ;)

try the + symbol: It is Adjacent sibling combinator. It combines two sequences of simple selectors having the same parent and the second one must come IMMEDIATELY after the first.

As such:

input[type="radio"]:checked+label{ font-weight: bold; } 
 //a label that immediately follows an input of type radio that is checked 

works very nicely for the following markup:

<input id="rad1" type="radio" name="rad"/><label for="rad1">Radio 1</label>
<input id="rad2" type="radio" name="rad"/><label for="rad2">Radio 2</label>

... and it will work for any structure, with or without divs etc as long as the label follows the radio input.

Example:

input[type="radio"]:checked+label { font-weight: bold; }

<input id="rad1" type="radio" name="rad"/><label for="rad1">Radio 1</label>_x000D_
<input id="rad2" type="radio" name="rad"/><label for="rad2">Radio 2</label>

Laravel Server Requirements mention that BCMath, Ctype, JSON, Mbstring, OpenSSL, PDO, Tokenizer, and XML extensions are required. Most of the extensions are installed and enabled by default.

You can run the following command in Ubuntu to make sure the extensions are installed.

sudo apt install openssl php-common php-curl php-json php-mbstring php-mysql php-xml php-zip

PHP version specific installation (if PHP 7.4 installed)

sudo apt install php7.4-common php7.4-bcmath openssl php7.4-json php7.4-mbstring

You may need other PHP extensions for your composer packages. Find from links below.

PHP extensions for Ubuntu 20.04 LTS (Focal Fossa)

PHP extensions for Ubuntu 18.04 LTS (Bionic)

PHP extensions for Ubuntu 16.04 LTS (Xenial)

It is called the Card Security Code (CSC) according to Wikipedia, but has also been known as other things, such as the Card Verification Value (CVV) or Card Verfication Code (CVC).

The second code, and the most cited, is CVV2 or CVC2. This CSC (also known as a CCID or Credit Card ID) is often asked for by merchants for them to secure "card not present" transactions occurring over the Internet, by mail, fax or over the phone. In many countries in Western Europe, due to increased attempts at card fraud, it is now mandatory to provide this code when the cardholder is not present in person.

Because this seems to be known by multiple names, and its name doesn't seem to be printed on the card itself, you'll probably (unfortunately) still need to tell your users how to find the code - ie by describing it as the "3 digit code on back of card".

2018 update

The situation has not improved, and is now worse - there are even more different names now. However, you can if you like use different terms depending on the card type:

• "CVC2" or "Card Validation Code" – MasterCard
• "CVV2" or "Card Verification Value 2" – Visa
• "CSC" or "Card Security Code" – American Express

Note that some American Express and Discover cards use a 4-digit code on the front of the card. See the above linked Wikipedia article for more.

This turns out to be a very interesting question. With over a hundred properties being set, you'd think that you'd be allowed to type .clickable { onclick : "alert('hi!');" ; } in your CSS, and it'd work. It's intuitive, it makes so much sense. This would be amazingly useful in monkey-patching dynamically-generated massive UIs.

The problem:
The CSS police, in their infinite wisdom, have drawn a Chinese wall between presentation and behavior. Any HTML properly labeled on-whatever is intentionally not supported by CSS. (Full Properties Table)

The best way around this is to use jQuery, which sets up an interpreted engine in the background to execute what you were trying to do with the CSS anyway. See this page: Add Javascript Onclick To .css File.

Good luck.

You can have a look at my library here. Under the documentation section, you will find how to import a data table.

You just have to write

using (var doc = new SpreadsheetDocument(@"C:\OpenXmlPackaging.xlsx")) {
    Worksheet sheet1 = doc.Worksheets.Add("My Sheet");
    sheet1.ImportDataTable(ds.Tables[0], "A1", true);
}

Hope it helps!

I don't have access to Python right now, but off the top of my head:

fig = plt.figure()

axes1 = fig.add_subplot(111)
# set props for left y-axis here

axes2 = axes1.twinx()   # mirror them
axes2.set_ylabel(...)

" To solve this problem You need set ServerName.

1: $ vim /etc/apache2/conf.d/name For example set add ServerName localhost or any other name:

2: ServerName localhost Restart Apache 2

3: $ service apache restart For this example I use Ubuntu 11.10.1.125"

A parameter is the variable which is part of the method’s signature (method declaration). An argument is an expression used when calling the method.

Consider the following code:

void Foo(int i, float f)
{
    // Do things
}

void Bar()
{
    int anInt = 1;
    Foo(anInt, 2.0);
}

Here i and f are the parameters, and anInt and 2.0 are the arguments.

if you're doing a string of characters. make:

let linkGoogle = 'https://www.google.com/maps/dir/?api=1'; 
let origin = '&origin=' + locations[0][1] + ',' + locations[0][2];


aNav.href = linkGoogle + origin;

Yes, here's an example:

CREATE TABLE myTable ( col1 int, createdDate datetime DEFAULT(getdate()), updatedDate datetime DEFAULT(getdate()) )

You can INSERT into the table without indicating the createdDate and updatedDate columns:

INSERT INTO myTable (col1) VALUES (1)

Or use the keyword DEFAULT:

INSERT INTO myTable (col1, createdDate, updatedDate) VALUES (1, DEFAULT, DEFAULT)

Then create a trigger for updating the updatedDate column:

CREATE TRIGGER dbo.updateMyTable 
ON dbo.myTable
FOR UPDATE 
AS 
BEGIN 
    IF NOT UPDATE(updatedDate) 
        UPDATE dbo.myTable SET updatedDate=GETDATE() 
        WHERE col1 IN (SELECT col1 FROM inserted) 
END 
GO

I just had the same issue on an application that is loading a script with a relative path.

It appeared the script was simply blocked by Adblock Plus.

Try to disable your ad/script blocker (Adblock, uBlock Origin, Privacy Badger…) or relocate the script such that it does not match your ad blocker's rules.

If you don't have such a plugin installed, try to reproduce the issue while running Firefox in safe mode.

• If you cannot reproduce it in safe mode, it means your issue is linked to one of your plugins or settings.
• Otherwise, it might be a different issue. Make sure you have the same error message as in the question. Also look at the network tab of the developer tools to check if your script is listed (reload the page first if needed).

I think this might have something to do with caching (possibly in Windows Explorer). I was having the old PyInstaller icon show up in a few places too, but when I copied the exe somewhere else, all the old icons were gone.

Whenever a function calls itself, creating a loop, then that's recursion. As with anything there are good uses and bad uses for recursion.

The most simple example is tail recursion where the very last line of the function is a call to itself:

int FloorByTen(int num)
{
    if (num % 10 == 0)
        return num;
    else
        return FloorByTen(num-1);
}

However, this is a lame, almost pointless example because it can easily be replaced by more efficient iteration. After all, recursion suffers from function call overhead, which in the example above could be substantial compared to the operation inside the function itself.

So the whole reason to do recursion rather than iteration should be to take advantage of the call stack to do some clever stuff. For example, if you call a function multiple times with different parameters inside the same loop then that's a way to accomplish branching. A classic example is the Sierpinski triangle.

You can draw one of those very simply with recursion, where the call stack branches in 3 directions:

private void BuildVertices(double x, double y, double len)
{
    if (len > 0.002)
    {
        mesh.Positions.Add(new Point3D(x, y + len, -len));
        mesh.Positions.Add(new Point3D(x - len, y - len, -len));
        mesh.Positions.Add(new Point3D(x + len, y - len, -len));
        len *= 0.5;
        BuildVertices(x, y + len, len);
        BuildVertices(x - len, y - len, len);
        BuildVertices(x + len, y - len, len);
    }
}

If you attempt to do the same thing with iteration I think you'll find it takes a lot more code to accomplish.

Other common use cases might include traversing hierarchies, e.g. website crawlers, directory comparisons, etc.

Conclusion

In practical terms, recursion makes the most sense whenever you need iterative branching.

Beware false negatives from the trim() function — it performs a cast-to-string before trimming, and thus will return e.g. "Array" if you pass it an empty array. That may not be an issue, depending on how you process your data, but with the code you supply, a field named question[] could be supplied in the POST data and appear to be a non-empty string. Instead, I would suggest:

$question = $_POST['question'];

if (!is_string || ($question = trim($question))) {
    // Handle error here
}

// If $question was a string, it will have been trimmed by this point

In terms of WCF, we can communicate with the server and client through messages. For transferring messages, and from a security prospective, we need to make a data/message in a serialized format.

For serializing data we use [datacontract] and [datamember] attributes. In your case if you are using datacontract WCF uses DataContractSerializer else WCF uses XmlSerializer which is the default serialization technique.

Let me explain in detail:

basically WCF supports 3 types of serialization:

1. XmlSerializer
2. DataContractSerializer
3. NetDataContractSerializer

XmlSerializer :- Default order is Same as class

DataContractSerializer/NetDataContractSerializer :- Default order is Alphabetical

XmlSerializer :- XML Schema is Extensive

DataContractSerializer/NetDataContractSerializer :- XML Schema is Constrained

XmlSerializer :- Versioning support not possible

DataContractSerializer/NetDataContractSerializer :- Versioning support is possible

XmlSerializer :- Compatibility with ASMX

DataContractSerializer/NetDataContractSerializer :- Compatibility with .NET Remoting

XmlSerializer :- Attribute not required in XmlSerializer

DataContractSerializer/NetDataContractSerializer :- Attribute required in this serializing

so what you use depends on your requirements...

I just read in the MySQL documentation that SHOW FULL PROCESSLIST by default only lists the threads from your current user connection.

Quote from the MySQL SHOW FULL PROCESSLIST documentation:

If you have the PROCESS privilege, you can see all threads.

So you can enable the Process_priv column in your mysql.user table. Remember to execute FLUSH PRIVILEGES afterwards :)

I would recommend EasyInstall, a package management application for Python.

Once you've installed EasyInstall, you should be able to go to a command window and type:

easy_install simplejson

This may require putting easy_install.exe on your PATH first, I don't remember if the EasyInstall setup does this for you (something like C:\Python25\Scripts).

A good reason is for security - this can prevent CSRF attacks because this header cannot be added to the AJAX request cross domain without the consent of the server via CORS.

Only the following headers are allowed cross domain:

• Accept
• Accept-Language
• Content-Language
• Last-Event-ID
• Content-Type

any others cause a "pre-flight" request to be issued in CORS supported browsers.

Without CORS it is not possible to add X-Requested-With to a cross domain XHR request.

If the server is checking that this header is present, it knows that the request didn't initiate from an attacker's domain attempting to make a request on behalf of the user with JavaScript. This also checks that the request wasn't POSTed from a regular HTML form, of which it is harder to verify it is not cross domain without the use of tokens. (However, checking the Origin header could be an option in supported browsers, although you will leave old browsers vulnerable.)

New Flash bypass discovered

You may wish to combine this with a token, because Flash running on Safari on OSX can set this header if there's a redirect step. It appears it also worked on Chrome, but is now remediated. More details here including different versions affected.

OWASP Recommend combining this with an Origin and Referer check:

This defense technique is specifically discussed in section 4.3 of Robust Defenses for Cross-Site Request Forgery. However, bypasses of this defense using Flash were documented as early as 2008 and again as recently as 2015 by Mathias Karlsson to exploit a CSRF flaw in Vimeo. But, we believe that the Flash attack can't spoof the Origin or Referer headers so by checking both of them we believe this combination of checks should prevent Flash bypass CSRF attacks. (NOTE: If anyone can confirm or refute this belief, please let us know so we can update this article)

However, for the reasons already discussed checking Origin can be tricky.

Update

Written a more in depth blog post on CORS, CSRF and X-Requested-With here.

I faced this problem while trying to extend an existing class from GitHub. I'm gonna try to explain myself, first writing the class as I though it should be, and then the class as it is now.

What I though

namespace mycompany\CutreApi;

use mycompany\CutreApi\ClassOfVendor;

class CutreApi extends \vendor\AwesomeApi\AwesomeApi
{
   public function whatever(): ClassOfVendor
   {
        return new ClassOfVendor();
   }
}

What I've finally done

namespace mycompany\CutreApi;

use \vendor\AwesomeApi\ClassOfVendor;

class CutreApi extends \vendor\AwesomeApi\AwesomeApi
{
   public function whatever(): ClassOfVendor
   {
        return new \mycompany\CutreApi\ClassOfVendor();
   }
}

So seems that this errror raises also when you're using a method that return a namespaced class, and you try to return the same class but with other namespace. Fortunately I have found this solution, but I do not fully understand the benefit of this feature in php 7.2, for me it is normal to rewrite existing class methods as you need them, including the redefinition of input parameters and / or even behavior of the method.

One downside of the previous aproach, is that IDE's could not recognise the new methods implemented in \mycompany\CutreApi\ClassOfVendor(). So, for now, I will go with this implementation.

Currently done

namespace mycompany\CutreApi;

use mycompany\CutreApi\ClassOfVendor;

class CutreApi extends \vendor\AwesomeApi\AwesomeApi
{
   public function getWhatever(): ClassOfVendor
   {
        return new ClassOfVendor();
   }
}

So, instead of trying to use "whatever" method, I wrote a new one called "getWhatever". In fact both of them are doing the same, just returning a class, but with diferents namespaces as I've described before.

Hope this can help someone.

Try adding "bDestroy": true to the options object literal, e.g.

$('#dataTable').dataTable({
    ...
    ....
    "bDestroy": true
});

Source: iodocs.com

or Remove the first:

$(document).ready(function() {
    $('#example').dataTable();
} );

In your case is the best option vjk.

Easy.

open xampp control panel -> Config -> my.ini edit with notepad. now add this below [mysqld]

skip-grant-tables

Save. Start apache and mysql.

I hope help you

The set of paths where the compiler looks for the header files can be checked by the command:-

cpp -v

If you declare #include "" , the compiler first searches in current directory of source file and if not found, continues to search in the above retrieved directories.

If you declare #include <> , the compiler searches directly in those directories obtained from the above command.

Source:- http://commandlinefanatic.com/cgi-bin/showarticle.cgi?article=art026

I had to check the box for the debugger on the phone "always allow on this phone". I then did a adb devices and then entered the adb command to clear the adds. It worked fine. Before that, it did not recognize the pm and other commands

Another option I've just run across is bashplotlib. Here's an example run on (roughly) the same data as my eplot example:

[$]> git shortlog -s -n | awk '{print $1}' | hist

 33|   o
 32|   o
 30|   o
 28|   o
 27|   o
 25|   o
 23|   o
 22|   o
 20|   o
 18|   o
 16|   o
 15|   o
 13|   o
 11|   o
 10|   o
  8|   o
  6|   o
  5|   o
  3|   o o     o
  1|   o o     o o       o
  0|   o o o o o o       o
    ----------------------

-----------------------
|       Summary       |
-----------------------
|   observations: 50  |
| min value: 1.000000 |
|  mean : 519.140000  |
|max value: 3207.000000|
-----------------------

Adjusting the bins helps the resolution a bit:

[$]> git shortlog -s -n | awk '{print $1}' | hist --nosummary --bins=40

 18|   o
   |   o
 17|   o
 16|   o
 15|   o
 14|   o
 13|   o
 12|   o
 11|   o
 10|   o
  9|   o
  8|   o
  7|   o
  6|   o
  5|   o   o
  4|   o   o o
  3|   o o o o   o
  2|   o o o o   o
  1|   o o o o   o                     o       o
  0|   o o o o o o           o     o   o o   o o                                 o
   |   o o o o o o           o     o   o o   o o                                 o
    --------------------------------------------------------------------------------

There can be multiple ways to do these, which are as follows

//first method
$filter = array_map("unserialize", array_unique(array_map("serialize", $arr)));

//second method
$array = array_unique($arr, SORT_REGULAR);

This is the error line:

if (called_from.equalsIgnoreCase("add")) {  --->38th error line

This means that called_from is null. Simple check if it is null above:

String called_from = getIntent().getStringExtra("called");

if(called_from == null) {
    called_from = "empty string";
}
if (called_from.equalsIgnoreCase("add")) {
    // do whatever
} else {
    // do whatever
}

That way, if called_from is null, it'll execute the else part of your if statement.

Updated answer for Django migrations without south plugin:

Like T.T suggested in his answer, my previous answer was for south migration plugin, when Django hasn't any schema migration features. Now (works in Django 1.9+):

T.T wrote:

You can try this!

python manage.py makemigrations

python manage.py migrate --run-syncdb

Outdated for south migrations plugin

As I can see you done it all in wrong order, to fix it up your should complete this checklist (I assume you can't delete sqlite3 database file to start over):

1. Grab any SQLite GUI tool (i.e. http://sqliteadmin.orbmu2k.de/)
2. Change your model definition to match database definition (best approach is to comment new fields)
3. Delete migrations folder in your model
4. Delete rows in south_migrationhistory table where app_name match your application name (probably homework)
5. Invoke: ./manage.py schemamigration <app_name> --initial
6. Create tables by ./manage.py migrate <app_name> --fake (--fake will skip SQL execute because table already exists in your database)
7. Make changes to your app's model
8. Invoke ./manage.py schemamigration <app_name> --auto
9. Then apply changes to database: ./manage.py migrate <app_name>

Steps 7,8,9 repeat whenever your model needs any changes.

If you are facing this issue on you Mac. Follow these steps

First checking who is owner of this file by using below command

ls -la /usr/local/lib/node_modules

you will find some file like below one of them is below

drwxr-xr-x   3 root    wheel  768 May 29 02:21 node_modules

have you notice that above file is own by root, for make changes inside for you need to change owner ship of path.

you can use check who is current user by this command

id -un (in my case user is yamsol)

and then you can change by calling this command (just replace your user name with ownerName)

sudo chown -R ownerName: /usr/local/lib/node_modules

in my case as you know user is "yamsol" i will call this command in this way

sudo chown -R yamsol: /usr/local/lib/node_modules

thats it.

Separate with commas:

http://localhost:8080/MovieDB/GetJson?name=Actor1,Actor2,Actor3&startDate=20120101&endDate=20120505

or:

http://localhost:8080/MovieDB/GetJson?name=Actor1&name=Actor2&name=Actor3&startDate=20120101&endDate=20120505

or:

http://localhost:8080/MovieDB/GetJson?name[0]=Actor1&name[1]=Actor2&name[2]=Actor3&startDate=20120101&endDate=20120505

Either way, your method signature needs to be:

@RequestMapping(value = "/GetJson", method = RequestMethod.GET) 
public void getJson(@RequestParam("name") String[] ticker, @RequestParam("startDate") String startDate, @RequestParam("endDate") String endDate) {
   //code to get results from db for those params.
 }

public void dumpMe(Map m) { dumpMe(m, ""); }

private void dumpMe(Map m, String padding) 
{
    Set s = m.keySet();
    java.util.Iterator ir = s.iterator();
    while (ir.hasNext()) 
    {
        String key = (String) ir.next();
        AttributeValue value = (AttributeValue)m.get(key);
        if (value == null) 
            continue;
        if (value.getM() != null)
        {
            System.out.println (padding + key + " = {");
            dumpMe((Map)value, padding + "  ");
            System.out.println(padding + "}");          
        }
        else if (value.getS() != null  ||
                 value.getN() != null ) 
        {
            System.out.println(padding + key + " = " + value.toString());
        }
        else 
        { 
            System.out.println(padding + key + " = UNKNOWN OBJECT: " + value.toString());
            // You could also throw an exception here
        }      
    } // while
}

//This code worked for me.

If the error message only occurs locally, try opening the sql file and press the play button.

This is because findViewById() searches in the activity_main layout, while the button is located in the fragment's layout fragment_main.

Move that piece of code in the onCreateView() method of the fragment:

//...

View rootView = inflater.inflate(R.layout.fragment_main, container, false);
Button buttonClick = (Button)rootView.findViewById(R.id.button);
buttonClick.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        onButtonClick((Button) view);
    }
});

Notice that now you access it through rootView view:

Button buttonClick = (Button)rootView.findViewById(R.id.button);

otherwise you would get again NullPointerException.

It worked for me. So you can try following command

$ pip install numpy -I

I found that adding "-i" to the commit command fixes this problem for me. The -i basically tells it to stage additional files before committing. That is:

git commit -i myfile.php

You can also try using runuser (as root) to run a command as a different user

*/1 * * * * runuser php5 \
            --command="/var/www/web/includes/crontab/queue_process.php \
                       >> /var/www/web/includes/crontab/queue.log 2>&1"

See also: man runuser

your string is NOT a valid json to start with.

a valid json will be,

{
    "area": [
        {
            "area": "kothrud"
        },
        {
            "area": "katraj"
        }
    ]
}

if you do a json_decode, it will yield,

stdClass Object
(
    [area] => Array
        (
            [0] => stdClass Object
                (
                    [area] => kothrud
                )

            [1] => stdClass Object
                (
                    [area] => katraj
                )

        )

)

Update: to use

$string = '

{
    "area": [
        {
            "area": "kothrud"
        },
        {
            "area": "katraj"
        }
    ]
}

';
            $area = json_decode($string, true);

            foreach($area['area'] as $i => $v)
            {
                echo $v['area'].'<br/>';
            }

Output:

kothrud
katraj

Update #2:

for that true:

When TRUE, returned objects will be converted into associative arrays. for more information, click here

CMake 3.13 on Ubuntu 16.04

This approach is more flexible because it doesn't constraint MY_VARIABLE to a type:

$ cat CMakeLists.txt 
message("MY_VARIABLE=${MY_VARIABLE}")
if( MY_VARIABLE ) 
    message("MY_VARIABLE evaluates to True")
endif()

$ mkdir build && cd build

$ cmake ..
MY_VARIABLE=
-- Configuring done
-- Generating done
-- Build files have been written to: /path/to/build

$ cmake .. -DMY_VARIABLE=True
MY_VARIABLE=True
MY_VARIABLE evaluates to True
-- Configuring done
-- Generating done
-- Build files have been written to: /path/to/build

$ cmake .. -DMY_VARIABLE=False
MY_VARIABLE=False
-- Configuring done
-- Generating done
-- Build files have been written to: /path/to/build

$ cmake .. -DMY_VARIABLE=1
MY_VARIABLE=1
MY_VARIABLE evaluates to True
-- Configuring done
-- Generating done
-- Build files have been written to: /path/to/build

$ cmake .. -DMY_VARIABLE=0
MY_VARIABLE=0
-- Configuring done
-- Generating done
-- Build files have been written to: /path/to/build

This one-liner tells where the shell script is, does not matter if you ran it or if you sourced it. Also, it resolves any symbolic links involved, if that is the case:

dir=$(dirname $(test -L "$BASH_SOURCE" && readlink -f "$BASH_SOURCE" || echo "$BASH_SOURCE"))

By the way, I suppose you are using /bin/bash.

You might need to allow different combinations of data in your intent filter to get it to work in different cases (http/ vs https/, www. vs no www., etc).

For example, I had to do the following for an app which would open when the user opened a link to Google Drive forms (www.docs.google.com/forms)

Note that path prefix is optional.

        <intent-filter>
            <action android:name="android.intent.action.VIEW" />
            <category android:name="android.intent.category.DEFAULT" />
            <category android:name="android.intent.category.BROWSABLE" />

            <data android:scheme="http" />
            <data android:scheme="https" />

            <data android:host="www.docs.google.com" />
            <data android:host="docs.google.com" />

            <data android:pathPrefix="/forms" />
        </intent-filter>

Sounds like it might be a realative uri. I ran into this problem when doing cross-browser Silverlight; on my blog I mentioned a workaround: pass a "context" uri as the first parameter.

If the uri is realtive, the context uri is used to create a full uri. If the uri is absolute, then the context uri is ignored.

EDIT: You need a "scheme" in the uri, e.g., "ftp://" or "http://"

This code is working fine for me in a loop

$remove = array(
    "market_value",
    "sector_id"
);

foreach($remove as $key){
    unset($obj_name->$key);
}

Yes, you can make a web method like..

[WebMethod]
public static String SetName(string name)
{
    return "Your String"
}

And then call it in JavaScript like,

PageMethods.SetName(parameterValueIfAny, onSuccessMethod,onFailMethod);

This is also required :

<asp:ScriptManager ID="ScriptMgr" runat="server" EnablePageMethods="true"></asp:ScriptManager>

I wouldn't stretch things as far as to say that who uses empty catch blocks is a bad programmer and doesn't know what he is doing...

I use empty catch blocks if necessary. Sometimes programmer of library I'm consuming doesn't know what he is doing and throws exceptions even in situations when nobody needs it.

For example, consider some http server library, I couldn't care less if server throws exception because client has disconnected and index.html couldn't be sent.

It may be a little late, but you could use the helper function time() to get the current timestamp. I tried this function and it did the job, no need for classes :).

You can find this in the official documentation at https://laravel.com/docs/5.0/templates

Regards.

Just as you said, I'd recommend weights. Percentages would be incredibly useful (don't know why they aren't supported), but one way you could do it is like so:

<LinearLayout
    android:layout_height="fill_parent"
    android:layout_width="fill_parent"
    >
    <LinearLayout
        android:layout_height="0dp"
        android:layout_width="fill_parent"
        android:layout_weight="1"
        >
    </LinearLayout>
    <View
        android:layout_height="0dp"
        android:layout_width="fill_parent"
        android:layout_weight="1"
    />
</LinearLayout>

The takeaway being that you have an empty View that will take up the remaining space. Not ideal, but it does what you're looking for.

You should be careful to leave a space between the sign of '[' and double quotes where the variable contains this:

if [ "$s1" == "$s2" ]; then
#   ^     ^  ^     ^
   echo match
fi

The ^s show the blank spaces you need to leave.

x='buffalo'    
exec("%s = %d" % (x,2))

After that you can check it by:

print buffalo

As an output you will see: 2

hyperjaxb (versions 2 and 3) actually generates hibernate mapping files and related entity objects and also does a round trip test for a given XSD and sample XML file. You can capture the log output and see the DDL statements for yourself. I had to tweak them a little bit, but it gives you a basic blue print to start with.

First and foremost, I highly recommend you buy the PDF/E-Book from PHP Architect. It's US$20, but is the only straightforward "Here's how Magento works" resource I've been able to find. I've also started writing Magento tutorials at my own website.

Second, if you have a choice, and aren't an experienced programmer or don't have access to an experienced programmer (ideally in PHP and Java), pick another cart. Magento is well engineered, but it was engineered to be a shopping cart solution that other programmers can build modules on top of. It was not engineered to be easily understood by people who are smart, but aren't programmers.

Third, Magento MVC is very different from the Ruby on Rails, Django, CodeIgniter, CakePHP, etc. MVC model that's popular with PHP developers these days. I think it's based on the Zend model, and the whole thing is very Java OOP-like. There's two controllers you need to be concerned about. The module/frontName controller, and then the MVC controller.

Fourth, the Magento application itself is built using the same module system you'll be using, so poking around the core code is a useful learning tactic. Also, a lot of what you'll be doing with Magento is overriding existing classes. What I'm covering here is creating new functionality, not overriding. Keep this in mind when you're looking at the code samples out there.

I'm going to start with your first question, showing you how to setup a controller/router to respond to a specific URL. This will be a small novel. I might have time later for the model/template related topics, but for now, I don't. I will, however, briefly speak to your SQL question.

Magento uses an EAV database architecture. Whenever possible, try to use the model objects the system provides to get the information you need. I know it's all there in the SQL tables, but it's best not to think of grabbing data using raw SQL queries, or you'll go mad.

Final disclaimer. I've been using Magento for about two or three weeks, so caveat emptor. This is an exercise to get this straight in my head as much as it is to help Stack Overflow.

Create a module

All additions and customizations to Magento are done through modules. So, the first thing you'll need to do is create a new module. Create an XML file in app/modules named as follows

cd /path/to/store/app
touch etc/modules/MyCompanyName_HelloWorld.xml

<?xml version="1.0"?>
<config>
     <modules>
        <MyCompanyName_HelloWorld>
            <active>true</active>
            <codePool>local</codePool>
        </MyCompanyName_HelloWorld>
     </modules>
</config>

MyCompanyName is a unique namespace for your modifications, it doesn't have to be your company's name, but that the recommended convention my magento. HelloWorld is the name of your module.

Clear the application cache

Now that the module file is in place, we'll need to let Magento know about it (and check our work). In the admin application

1. Go to System->Cache Management
2. Select Refresh from the All Cache menu
3. Click Save Cache settings

Now, we make sure that Magento knows about the module

1. Go to System->Configuration
2. Click Advanced
3. In the "Disable modules output" setting box, look for your new module named "MyCompanyName_HelloWorld"

If you can live with the performance slow down, you might want to turn off the application cache while developing/learning. Nothing is more frustrating then forgetting the clear out the cache and wondering why your changes aren't showing up.

Setup the directory structure

Next, we'll need to setup a directory structure for the module. You won't need all these directories, but there's no harm in setting them all up now.

mkdir -p app/code/local/MyCompanyName/HelloWorld/Block
mkdir -p app/code/local/MyCompanyName/HelloWorld/controllers
mkdir -p app/code/local/MyCompanyName/HelloWorld/Model
mkdir -p app/code/local/MyCompanyName/HelloWorld/Helper
mkdir -p app/code/local/MyCompanyName/HelloWorld/etc
mkdir -p app/code/local/MyCompanyName/HelloWorld/sql

And add a configuration file

touch app/code/local/MyCompanyName/HelloWorld/etc/config.xml

and inside the configuration file, add the following, which is essentially a "blank" configuration.

<?xml version="1.0"?>
<config>
    <modules>
        <MyCompanyName_HelloWorld>
            <version>0.1.0</version>
        </MyCompanyName_HelloWorld>
    </modules>
</config>

Oversimplifying things, this configuration file will let you tell Magento what code you want to run.

Setting up the router

Next, we need to setup the module's routers. This will let the system know that we're handling any URLs in the form of

http://example.com/magento/index.php/helloworld

So, in your configuration file, add the following section.

<config>
<!-- ... -->
    <frontend>
        <routers>
            <!-- the <helloworld> tagname appears to be arbitrary, but by
            convention is should match the frontName tag below-->
            <helloworld>
                <use>standard</use>
                <args>
                    <module>MyCompanyName_HelloWorld</module>
                    <frontName>helloworld</frontName>
                </args>
            </helloworld>
        </routers>
    </frontend>
<!-- ... -->
</config>

What you're saying here is "any URL with the frontName of helloworld ...

http://example.com/magento/index.php/helloworld

should use the frontName controller MyCompanyName_HelloWorld".

So, with the above configuration in place, when you load the helloworld page above, you'll get a 404 page. That's because we haven't created a file for our controller. Let's do that now.

touch app/code/local/MyCompanyName/HelloWorld/controllers/IndexController.php

Now try loading the page. Progress! Instead of a 404, you'll get a PHP/Magento exception

Controller file was loaded but class does not exist

So, open the file we just created, and paste in the following code. The name of the class needs to be based on the name you provided in your router.

<?php
class MyCompanyName_HelloWorld_IndexController extends Mage_Core_Controller_Front_Action{
    public function indexAction(){
        echo "We're echoing just to show that this is what's called, normally you'd have some kind of redirect going on here";
    }
}

What we've just setup is the module/frontName controller. This is the default controller and the default action of the module. If you want to add controllers or actions, you have to remember that the tree first part of a Magento URL are immutable they will always go this way http://example.com/magento/index.php/frontName/controllerName/actionName

So if you want to match this url

http://example.com/magento/index.php/helloworld/foo

You will have to have a FooController, which you can do this way :

touch app/code/local/MyCompanyName/HelloWorld/controllers/FooController.php

<?php
class MyCompanyName_HelloWorld_FooController extends Mage_Core_Controller_Front_Action{
    public function indexAction(){
        echo 'Foo Index Action';
    }

    public function addAction(){
        echo 'Foo add Action';
    }

    public function deleteAction(){
        echo 'Foo delete Action';
    }
}

Please note that the default controller IndexController and the default action indexAction can by implicit but have to be explicit if something come after it. So http://example.com/magento/index.php/helloworld/foo will match the controller FooController and the action indexAction and NOT the action fooAction of the IndexController. If you want to have a fooAction, in the controller IndexController you then have to call this controller explicitly like this way : http://example.com/magento/index.php/helloworld/index/foo because the second part of the url is and will always be the controllerName. This behaviour is an inheritance of the Zend Framework bundled in Magento.

You should now be able to hit the following URLs and see the results of your echo statements

http://example.com/magento/index.php/helloworld/foo
http://example.com/magento/index.php/helloworld/foo/add
http://example.com/magento/index.php/helloworld/foo/delete

So, that should give you a basic idea on how Magento dispatches to a controller. From here I'd recommended poking at the existing Magento controller classes to see how models and the template/layout system should be used.

It can be something as simple as typing the package name in the wrong case...

I had the same problem - turned out I was entering the package name in all lower case when the actual package name included upper case characters.

adb uninstall -k <packageName - eg. com.test.app>

( If you're explicitly uninstalling you probably don't want the -k which keeps the app data and cache directories around. )

installing python packages offline

For windows users:

To download into a file open your cmd and folow this:

cd <*the file-path where you want to save it*>

pip download <*package name*>

the package and the dependencies will be downloaded in the current working directory.

To install from the current working directory:

set your folder where you downloaded as the cwd then follow these:

pip install <*the package name which is downloded as .whl*> --no-index --find-links <*the file locaation where the files are downloaded*>

this will search for dependencies in that location.

for Laravel 5.6+ users, you can just do

    $posts = Post::whereDate('created_at', Carbon::today())->get();

Happy coding

Use .net:

[System.IO.Path]::GetFileName("c:\foo.txt") returns foo.txt. [System.IO.Path]::GetFileNameWithoutExtension("c:\foo.txt") returns foo

In 2020, I use apply() with argument result_type='expand'

>>> appiled_df = df.apply(lambda row: fn(row.text), axis='columns', result_type='expand')
>>> df = pd.concat([df, appiled_df], axis='columns')

I think you need think more in principle. Instead you final class use his interface and mock interface instead.

For this:

 public class RainOnTrees{

   fun startRain():Observable<Boolean>{

        // some code here
   }
}

add

interface iRainOnTrees{
  public void startRain():Observable<Boolean>
}

and mock you interface:

 @Before
    fun setUp() {
        rainService= Mockito.mock(iRainOnTrees::class.java)

        `when`(rainService.startRain()).thenReturn(
            just(true).delay(3, TimeUnit.SECONDS)
        )

    }

You can get all the information of active transaction by the help of below query

SELECT
trans.session_id AS [SESSION ID],
ESes.host_name AS [HOST NAME],login_name AS [Login NAME],
trans.transaction_id AS [TRANSACTION ID],
tas.name AS [TRANSACTION NAME],tas.transaction_begin_time AS [TRANSACTION 
BEGIN TIME],
tds.database_id AS [DATABASE ID],DBs.name AS [DATABASE NAME]
FROM sys.dm_tran_active_transactions tas
JOIN sys.dm_tran_session_transactions trans
ON (trans.transaction_id=tas.transaction_id)
LEFT OUTER JOIN sys.dm_tran_database_transactions tds
ON (tas.transaction_id = tds.transaction_id )
LEFT OUTER JOIN sys.databases AS DBs
ON tds.database_id = DBs.database_id
LEFT OUTER JOIN sys.dm_exec_sessions AS ESes
ON trans.session_id = ESes.session_id
WHERE ESes.session_id IS NOT NULL

and it will give below similar result

and you close that transaction by the help below KILL query by refering session id

KILL 77

Columns of data frames are already vectors, you just have to pull them out. Note that you place the column you want after the comma, not before it:

> newV <- df[,1]
> newV
[1] 1 2 4 2

If you actually want a row, then do what Ben said and please use words correctly in the future.

This should handle addition/subtraction, just put a negative value in to subtract and a positive value to add. This also solves the month crossover problem.

function monthAdd(date, month) {
    var temp = date;
    temp = new Date(date.getFullYear(), date.getMonth(), 1);
    temp.setMonth(temp.getMonth() + (month + 1));
    temp.setDate(temp.getDate() - 1); 

    if (date.getDate() < temp.getDate()) { 
        temp.setDate(date.getDate()); 
    }

    return temp;    
}

The same way you declare any other variable, just use the bit type:

DECLARE @MyVar bit
Set @MyVar = 1  /* True */
Set @MyVar = 0  /* False */

SELECT * FROM [MyTable] WHERE MyBitColumn = @MyVar

'a' in x

and a quick search reveals some nice information about it: http://docs.python.org/3/tutorial/datastructures.html#dictionaries

Try pysed:

pysed -r '# deb' 'deb' /etc/apt/sources.list

(SELECT <some columns>
FROM mytable
<maybe some joins here>
WHERE <various conditions>
ORDER BY date DESC
LIMIT 10)

UNION ALL

(SELECT <some columns>
FROM mytable
<maybe some joins here>
WHERE <various conditions>
ORDER BY date ASC    
LIMIT 10)

Consider using the Restlet framework, which has great semantics for this sort of thing. It's powerful and flexible.

The code could be as simple as:

Client client = new Client(Protocol.HTTP);
Response response = client.get(url);
if (response.getStatus().isError()) {
    // uh oh!
}

You can limit the number of lines, or arguments (if there are spaces between each argument) using the --max-lines or --max-args flags, respectively.

  -L max-lines
         Use at most max-lines nonblank input lines per command line.  Trailing blanks cause an input line to be logically continued on the next  input
         line.  Implies -x.

  --max-lines[=max-lines], -l[max-lines]
         Synonym  for  the -L option.  Unlike -L, the max-lines argument is optional.  If max-args is not specified, it defaults to one.  The -l option
         is deprecated since the POSIX standard specifies -L instead.

  --max-args=max-args, -n max-args
         Use at most max-args arguments per command line.  Fewer than max-args arguments will be used if the size (see  the  -s  option)  is  exceeded,
         unless the -x option is given, in which case xargs will exit.

substring(field, 1,3) will work on your examples.

select substring(field, 1,3) from table

Also, if the alphabetic part is of variable length, you can do this to extract the alphabetic part:

select substring(field, 1, PATINDEX('%[1234567890]%', field) -1) 
from table
where PATINDEX('%[1234567890]%', field) > 0

Change

var ID = $(this).attr("id");

to

var ID = $(obj).attr("id");

Also you can change it to use jQuery event handler:

$('#race').change(function() {
    var select = $(this);
    var id = select.attr('id');
    if(select.val() == 'other') {
        select.replaceWith("<input type='text' name='" + id + "' id='" + id + "' />");
    } else {
        select.hide();
    }
});

Let object1 and object2 be two JSON object.

var object1 = [{"name": "John"}];
var object2 = [{"location": "San Jose"}];

object1.push(object2);

This will simply append object2 in object1:

[{"name":"John"},{"location":"San Jose"}]

From spark 3.0

data_cl = reg_data.exceptAll(data_fr)

Note: Calling a lifecycle method from another one is not a good practice. In below example I tried to achieve that your onNewIntent will be always called irrespective of your Activity type.

OnNewIntent() always get called for singleTop/Task activities except for the first time when activity is created. At that time onCreate is called providing to solution for few queries asked on this thread.

You can invoke onNewIntent always by putting it into onCreate method like

@Override
public void onCreate(Bundle savedState){
    super.onCreate(savedState);
    onNewIntent(getIntent());
}

@Override
protected void onNewIntent(Intent intent) {
  super.onNewIntent(intent);
  //code
}

with jquery you can use this:

$('#iframeid',window.parent.document).attr('src',$('#iframeid',window.parent.document).attr('src'));

I think that const solves the problem for most people looking for this anwwer. If you really need an immutable constant, look into the other answers. To keep everything organized I save all constants on a folder and then require the whole folder.

src/main.js file

const constants = require("./consts_folder");

src/consts_folder/index.js

const deal = require("./deal.js")
const note = require("./note.js")


module.exports = {
  deal,
  note
}

Ps. here the deal and note will be first level on the main.js

src/consts_folder/note.js

exports.obj = {
  type: "object",
  description: "I'm a note object"
}

Ps. obj will be second level on the main.js

src/consts_folder/deal.js

exports.str = "I'm a deal string"

Ps. str will be second level on the main.js

Final result on main.js file:

console.log(constants.deal); Ouput:

{ deal: { str: 'I\'m a deal string' },

console.log(constants.note); Ouput:

note: { obj: { type: 'object', description: 'I\'m a note object' } }

Convert JSONObject into String and save as TEXT/ VARCHAR. While retrieving the same column convert the String into JSONObject.

For example

Write into DB

String stringToBeInserted = jsonObject.toString();
//and insert this string into DB

Read from DB

String json = Read_column_value_logic_here
JSONObject jsonObject = new JSONObject(json);

In C#, int is just an alias for System.Int32, string for System.String, double for System.Double etc...

Personally I prefer int, string, double, etc. because they don't require a using System; statement :) A silly reason, I know...

svn checkout --force svn://repo website.dir

then

svn revert -R website.dir

Will check out on top of existing files in website.dir, but not overwrite them. Then the revert will overwrite them. This way you do not need to take the site down to complete it.

you can use data-tag in html5 and do this using this code:

<script>_x000D_
 $('#mainCat').on('change', function() {_x000D_
  var selected = $(this).val();_x000D_
  $("#expertCat option").each(function(item){_x000D_
   console.log(selected) ;  _x000D_
   var element =  $(this) ; _x000D_
   console.log(element.data("tag")) ; _x000D_
   if (element.data("tag") != selected){_x000D_
    element.hide() ; _x000D_
   }else{_x000D_
    element.show();_x000D_
   }_x000D_
  }) ; _x000D_
  _x000D_
  $("#expertCat").val($("#expertCat option:visible:first").val());_x000D_
  _x000D_
});_x000D_
</script>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>_x000D_
<select id="mainCat">_x000D_
   <option value = '1'>navid</option>_x000D_
   <option value = '2'>javad</option>_x000D_
   <option value = '3'>mamal</option>_x000D_
  </select>_x000D_
  _x000D_
  <select id="expertCat">_x000D_
   <option  value = '1' data-tag='2'>UI</option>_x000D_
   <option  value = '2' data-tag='2'>Java Android</option>_x000D_
   <option  value = '3' data-tag='1'>Web</option>_x000D_
   <option  value = '3' data-tag='1'>Server</option>_x000D_
   <option  value = '3' data-tag='3'>Back End</option>_x000D_
   <option  value = '3' data-tag='3'>.net</option>_x000D_
  </select>

Something like...

Minutes.minutesBetween(getStart(), getEnd()).getMinutes();

Updated for RC.5

With Angular 2 we can debounce using RxJS operator debounceTime() on a form control's valueChanges observable:

import {Component}   from '@angular/core';
import {FormControl} from '@angular/forms';
import {Observable}  from 'rxjs/Observable';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/throttleTime';
import 'rxjs/add/observable/fromEvent';

@Component({
  selector: 'my-app',
  template: `<input type=text [value]="firstName" [formControl]="firstNameControl">
    <br>{{firstName}}`
})
export class AppComponent {
  firstName        = 'Name';
  firstNameControl = new FormControl();
  formCtrlSub: Subscription;
  resizeSub:   Subscription;
  ngOnInit() {
    // debounce keystroke events
    this.formCtrlSub = this.firstNameControl.valueChanges
      .debounceTime(1000)
      .subscribe(newValue => this.firstName = newValue);
    // throttle resize events
    this.resizeSub = Observable.fromEvent(window, 'resize')
      .throttleTime(200)
      .subscribe(e => {
        console.log('resize event', e);
        this.firstName += '*';  // change something to show it worked
      });
  }
  ngDoCheck() { console.log('change detection'); }
  ngOnDestroy() {
    this.formCtrlSub.unsubscribe();
    this.resizeSub  .unsubscribe();
  }
} 

Plunker

The code above also includes an example of how to throttle window resize events, as asked by @albanx in a comment below.

Although the above code is probably the Angular-way of doing it, it is not efficient. Every keystroke and every resize event, even though they are debounced and throttled, results in change detection running. In other words, debouncing and throttling do not affect how often change detection runs. (I found a GitHub comment by Tobias Bosch that confirms this.) You can see this when you run the plunker and you see how many times ngDoCheck() is being called when you type into the input box or resize the window. (Use the blue "x" button to run the plunker in a separate window to see the resize events.)

A more efficient technique is to create RxJS Observables yourself from the events, outside of Angular's "zone". This way, change detection is not called each time an event fires. Then, in your subscribe callback methods, manually trigger change detection – i.e., you control when change detection is called:

import {Component, NgZone, ChangeDetectorRef, ApplicationRef, 
        ViewChild, ElementRef} from '@angular/core';
import {Observable} from 'rxjs/Observable';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/throttleTime';
import 'rxjs/add/observable/fromEvent';

@Component({
  selector: 'my-app',
  template: `<input #input type=text [value]="firstName">
    <br>{{firstName}}`
})
export class AppComponent {
  firstName = 'Name';
  keyupSub:  Subscription;
  resizeSub: Subscription;
  @ViewChild('input') inputElRef: ElementRef;
  constructor(private ngzone: NgZone, private cdref: ChangeDetectorRef,
    private appref: ApplicationRef) {}
  ngAfterViewInit() {
    this.ngzone.runOutsideAngular( () => {
      this.keyupSub = Observable.fromEvent(this.inputElRef.nativeElement, 'keyup')
        .debounceTime(1000)
        .subscribe(keyboardEvent => {
          this.firstName = keyboardEvent.target.value;
          this.cdref.detectChanges();
        });
      this.resizeSub = Observable.fromEvent(window, 'resize')
        .throttleTime(200)
        .subscribe(e => {
          console.log('resize event', e);
          this.firstName += '*';  // change something to show it worked
          this.cdref.detectChanges();
        });
    });
  }
  ngDoCheck() { console.log('cd'); }
  ngOnDestroy() {
    this.keyupSub .unsubscribe();
    this.resizeSub.unsubscribe();
  }
} 

Plunker

I use ngAfterViewInit() instead of ngOnInit() to ensure that inputElRef is defined.

detectChanges() will run change detection on this component and its children. If you would rather run change detection from the root component (i.e., run a full change detection check) then use ApplicationRef.tick() instead. (I put a call to ApplicationRef.tick() in comments in the plunker.) Note that calling tick() will cause ngDoCheck() to be called.

ODBC:- Only for relational databases (Sql Server, Oracle etc)

OLE DB:- For both relational and non-relational databases. (Oracle, Sql-Server, Excel, raw files, etc)

Make sure you commit .pfx files to repository.

I just found *.pfx in my default .gitignore. Comment it (by #) and commit changes. Then pull repository and rebuild.

using flask library in Python you can achieve that. remember to store your HTML page to a folder named "templates" inside where you are running your python script.

so your folder would look like

1. templates (folder which would contain your HTML file)
2. your python script

this is a small example of your python script. This simply checks for plagiarism.

from flask import Flask
from flask import request
from flask import render_template
import stringComparison

app = Flask(__name__)

@app.route('/')
def my_form():
    return render_template("my-form.html") # this should be the name of your html file

@app.route('/', methods=['POST'])
def my_form_post():
    text1 = request.form['text1']
    text2 = request.form['text2']
    plagiarismPercent = stringComparison.extremelySimplePlagiarismChecker(text1,text2)
    if plagiarismPercent > 50 :
        return "<h1>Plagiarism Detected !</h1>"
    else :
        return "<h1>No Plagiarism Detected !</h1>"

if __name__ == '__main__':
    app.run()

This a small template of HTML file that is used

<!DOCTYPE html>
<html lang="en">
<body>
    <h1>Enter the texts to be compared</h1>
    <form action="." method="POST">
        <input type="text" name="text1">
        <input type="text" name="text2">
        <input type="submit" name="my-form" value="Check !">
    </form>
</body>
</html>

This is a small little way through which you can achieve a simple task of comparing two string and which can be easily changed to suit your requirements

This worked for me in Swift 5.0. Set the Storyboard Id in the identity inspector as "destinationVC".

@IBAction func buttonTapped(_ sender: Any) {
    let storyboard: UIStoryboard = UIStoryboard(name: "Main", bundle: Bundle.main)
    let destVC = storyboard.instantiateViewController(withIdentifier: "destinationVC") as! MyViewController

    destVC.modalPresentationStyle = UIModalPresentationStyle.overCurrentContext
    destVC.modalTransitionStyle = UIModalTransitionStyle.crossDissolve

    self.present(destVC, animated: true, completion: nil)
}

Try below code:

@Override
    public void onBackPressed() {
        Fragment myFragment = getSupportFragmentManager().findFragmentById(R.id.container);
        if (myFragment != null && myFragment instanceof StepOneFragment) {
            finish();
        } else {
            if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
                getSupportFragmentManager().popBackStack();
            } else {
                super.onBackPressed();
            }
        }
    }

With Java 7 or above you could use

ThreadLocalRandom.current().nextInt(int origin, int bound)

Javadoc: ThreadLocalRandom.nextInt

If the application is not doing anything in that 10 seconds, this will form a bad design only to make the user wait for 10 seconds doing nothing.

If there is something going on in that, or if you wish to implement 10 seconds delay splash screen,Here is the Code :

ProgressDialog pd;
pd = ProgressDialog.show(this,"Please Wait...", "Loading Application..", false, true);
pd.setCanceledOnTouchOutside(false);
Thread t = new Thread()
{ 
      @Override
      public void run()
      {
                try
                {
                    sleep(10000)  //Delay of 10 seconds
                } 
        catch (Exception e) {}
        handler.sendEmptyMessage(0);
        }
} ;
t.start();

//Handles the thread result of the Backup being executed.
private Handler handler = new Handler()
{
    @Override
    public void handleMessage(Message msg) 
    {
        pd.dismiss();
        //Start the Next Activity here...

    }
};

I generally use a small jQuery snippet globally to open any external links in a new tab / window. I've added the selector for a form for my own site and it works fine so far:

// URL target
    $('a[href*="//"]:not([href*="'+ location.hostname +'"]),form[action*="//"]:not([href*="'+ location.hostname +'"]').attr('target','_blank');

More detail, which may perhaps be helpful to someone:

Due to my own explorations, I now know how to set environment variables in 7 of 8 different ways. I was trying to get an envar through to an application I'm developing under Xcode. I set "tracer" envars using these different methods to tell me which ones get it into the scope of my application. From the below, you can see that editing the "scheme" in Xcode to add arguments works, as does "putenv". What didn't set it in that scope: ~/.MACOS/environment.plist, app-specific plist, .profile, and adding a build phase to run a custom script (I found another way in Xcode [at least] to set one but forgot what I called the tracer and can't find it now; maybe it's on another machine....)

GPU_DUMP_DEVICE_KERNEL is 3

GPU_DUMP_TRK_ENVPLIST is (null)

GPU_DUMP_TRK_APPPLIST is (null)

GPU_DUMP_TRK_DOTPROFILE is (null)

GPU_DUMP_TRK_RUNSCRIPT is (null)

GPU_DUMP_TRK_SCHARGS is 1

GPU_DUMP_TRK_PUTENV is 1

... on the other hand, if I go into Terminal and say "set", it seems the only one it gets is the one from .profile (I would have thought it would pick up environment.plist also, and I'm sure once I did see a second tracer envar in Terminal, so something's probably gone wonky since then. Long day....)

You could put an index on MemberType.

Try figsize param in df.plot(figsize=(width,height)):

df = pd.DataFrame({"a":[1,2],"b":[1,2]})
df.plot(figsize=(3,3));

df = pd.DataFrame({"a":[1,2],"b":[1,2]})
df.plot(figsize=(5,3));

The size in figsize=(5,3) is given in inches per (width, height)

https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.plot.html

You should use Adaptive hashing like http://en.wikipedia.org/wiki/Bcrypt for securing passwords

What's you've got there should be fine to work, but there is no actual "Is Mobile/Tablet" media query so you're always going to be stuck.

There are media queries for common breakpoints , but with the ever changing range of devices they're not guaranteed to work moving forwards.

The idea is that your site maintains the same brand across all sizes, so you should want the styles to cascade across the breakpoints and only update the widths and positioning to best suit that viewport.

To further the answer above, using Modernizr with a no-touch test will allow you to target touch devices which are most likely tablets and smart phones, however with the new releases of touch based screens that is not as good an option as it once was.

If you are using Google Chrome browser, you can use chrome console api:

• console.time: call it at the point in your code where you want to start the timer
• console.timeEnd: call it to stop the timer

The elapsed time between these two calls is displayed in the console.

For detail info, please see the doc link: https://developers.google.com/chrome-developer-tools/docs/console

I had the same problem. libcurl is really complete. There is a C++ wrapper curlpp that might interest you as you ask for a C++ library. neon is another interesting C library that also support WebDAV.

curlpp seems natural if you use C++. There are many examples provided in the source distribution. To get the content of an URL you do something like that (extracted from examples) :

// Edit : rewritten for cURLpp 0.7.3
// Note : namespace changed, was cURLpp in 0.7.2 ...

#include <curlpp/cURLpp.hpp>
#include <curlpp/Options.hpp>

// RAII cleanup

curlpp::Cleanup myCleanup;

// Send request and get a result.
// Here I use a shortcut to get it in a string stream ...

std::ostringstream os;
os << curlpp::options::Url(std::string("http://www.wikipedia.org"));

string asAskedInQuestion = os.str();

See the examples directory in curlpp source distribution, there is a lot of more complex cases, as well as a simple complete minimal one using curlpp.

my 2 cents ...

The openssl documentation says that file supplied as the -in argument must be in PEM format.

Turns out that, contrary to the CA's manual, the certificate returned by the CA which I stored in myCert.cer is not PEM format rather it is PKCS7.

In order to create my .p12, I had to first convert the certificate to PEM:

openssl pkcs7 -in myCert.cer -print_certs -out certs.pem

and then execute

openssl pkcs12 -export -out keyStore.p12 -inkey myKey.pem -in certs.pem

Not tested but you can try something like this :

Declare @count as int
Set @count=1
Declare @inputFile varchar(max)
Declare @Sample Table
(id int,filepath varchar(max) ,Isexists char(3))

while @count<(select max(id) from yourTable)
BEGIN
Set @inputFile =(Select filepath from yourTable where id=@count)
DECLARE @isExists INT
exec master.dbo.xp_fileexist @inputFile , 
@isExists OUTPUT
insert into @Sample
Select @count,@inputFile ,case @isExists 
when 1 then 'Yes' 
else 'No' 
end as isExists
set @count=@count+1
END

In case anyone was wondering - it was probably my css...

@font-face
  font-family: "bingo"
  src: url('bingo.eot')
  src: local('bingo')
  src: url('bingo.svg#bingo') format('svg')
  src: url('bingo.otf') format('opentype')

will render as

@font-face {
  font-family: "bingo";
  src: url('bingo.eot');
  src: local('bingo');
  src: url('bingo.svg#bingo') format('svg');
  src: url('bingo.otf') format('opentype'); }

which seems to be close enough... just need to check the SVG rendering

It seems that Luiggi Mendoza and joey rohan both already answered this, but I think it can be clarified a little.

You can write it as a single if statement:

if (inventory.contains("bread") && !inventory.contains("water")) {
    // do something
}

Yes, as you can see the support-package instantiates the fragments too (when they get destroyed and re-opened). Your Fragment subclasses need a public empty constructor as this is what's being called by the framework.

In addition to the published answers I can say that a metaclass defines the behaviour for a class. So, you can explicitly set your metaclass. Whenever Python gets a keyword class then it starts searching for the metaclass. If it's not found – the default metaclass type is used to create the class's object. Using the __metaclass__ attribute, you can set metaclass of your class:

class MyClass:
   __metaclass__ = type
   # write here other method
   # write here one more method

print(MyClass.__metaclass__)

It'll produce the output like this:

class 'type'

And, of course, you can create your own metaclass to define the behaviour of any class that are created using your class.

For doing that, your default metaclass type class must be inherited as this is the main metaclass:

class MyMetaClass(type):
   __metaclass__ = type
   # you can write here any behaviour you want

class MyTestClass:
   __metaclass__ = MyMetaClass

Obj = MyTestClass()
print(Obj.__metaclass__)
print(MyMetaClass.__metaclass__)

The output will be:

class '__main__.MyMetaClass'
class 'type'

I been seeking the same thing without using some unsupported PHP class. Excel CSV dosn't always use the quote separators and escapes the quotes using "" because the algorithm was probably made back the 80's or something. After looking at several .csv parsers in the comments section on PHP.NET, I seen ones that even used callbacks or eval'd code and they either didnt work like needed or simply didnt work at all. So, I wrote my own routines for this and they work in the most basic PHP configuration. The array keys can either be numeric or named as the fields given in the header row. Hope this helps.

    function SW_ImplodeCSV(array $rows, $headerrow=true, $mode='EXCEL', $fmt='2D_FIELDNAME_ARRAY')
    // SW_ImplodeCSV - returns 2D array as string of csv(MS Excel .CSV supported)
    // AUTHOR: [email protected]
    // RELEASED: 9/21/13 BETA
      { $r=1; $row=array(); $fields=array(); $csv="";
        $escapes=array('\r', '\n', '\t', '\\', '\"');  //two byte escape codes
        $escapes2=array("\r", "\n", "\t", "\\", "\""); //actual code

        if($mode=='EXCEL')// escape code = ""
         { $delim=','; $enclos='"'; $rowbr="\r\n"; }
        else //mode=STANDARD all fields enclosed
           { $delim=','; $enclos='"'; $rowbr="\r\n"; }

          $csv=""; $i=-1; $i2=0; $imax=count($rows);

          while( $i < $imax )
          {
            // get field names
            if($i == -1)
             { $row=$rows[0];
               if($fmt=='2D_FIELDNAME_ARRAY')
                { $i2=0; $i2max=count($row);
                  while( list($k, $v) = each($row) )
                   { $fields[$i2]=$k;
                     $i2++;
                   }
                }
               else //if($fmt='2D_NUMBERED_ARRAY')
                { $i2=0; $i2max=(count($rows[0]));
                  while($i2<$i2max)
                   { $fields[$i2]=$i2;
                     $i2++;
                   }
                }

               if($headerrow==true) { $row=$fields; }
               else                 { $i=0; $row=$rows[0];}
             }
            else
             { $row=$rows[$i];
             }

            $i2=0;  $i2max=count($row); 
            while($i2 < $i2max)// numeric loop (order really matters here)
            //while( list($k, $v) = each($row) )
             { if($i2 != 0) $csv=$csv.$delim;

               $v=$row[$fields[$i2]];

               if($mode=='EXCEL') //EXCEL 2quote escapes
                    { $newv = '"'.(str_replace('"', '""', $v)).'"'; }
               else  //STANDARD
                    { $newv = '"'.(str_replace($escapes2, $escapes, $v)).'"'; }
               $csv=$csv.$newv;
               $i2++;
             }

            $csv=$csv."\r\n";

            $i++;
          }

         return $csv;
       }

    function SW_ExplodeCSV($csv, $headerrow=true, $mode='EXCEL', $fmt='2D_FIELDNAME_ARRAY')
     { // SW_ExplodeCSV - parses CSV into 2D array(MS Excel .CSV supported)
       // AUTHOR: [email protected]
       // RELEASED: 9/21/13 BETA
       //SWMessage("SW_ExplodeCSV() - CALLED HERE -");
       $rows=array(); $row=array(); $fields=array();// rows = array of arrays

       //escape code = '\'
       $escapes=array('\r', '\n', '\t', '\\', '\"');  //two byte escape codes
       $escapes2=array("\r", "\n", "\t", "\\", "\""); //actual code

       if($mode=='EXCEL')
        {// escape code = ""
          $delim=','; $enclos='"'; $esc_enclos='""'; $rowbr="\r\n";
        }
       else //mode=STANDARD 
        {// all fields enclosed
          $delim=','; $enclos='"'; $rowbr="\r\n";
        }

       $indxf=0; $indxl=0; $encindxf=0; $encindxl=0; $enc=0; $enc1=0; $enc2=0; $brk1=0; $rowindxf=0; $rowindxl=0; $encflg=0;
       $rowcnt=0; $colcnt=0; $rowflg=0; $colflg=0; $cell="";
       $headerflg=0; $quotedflg=0;
       $i=0; $i2=0; $imax=strlen($csv);   

       while($indxf < $imax)
         {
           //find first *possible* cell delimiters
           $indxl=strpos($csv, $delim, $indxf);  if($indxl===false) { $indxl=$imax; }
           $encindxf=strpos($csv, $enclos, $indxf); if($encindxf===false) { $encindxf=$imax; }//first open quote
           $rowindxl=strpos($csv, $rowbr, $indxf); if($rowindxl===false) { $rowindxl=$imax; }

           if(($encindxf>$indxl)||($encindxf>$rowindxl))
            { $quoteflg=0; $encindxf=$imax; $encindxl=$imax;
              if($rowindxl<$indxl) { $indxl=$rowindxl; $rowflg=1; }
            }
           else 
            { //find cell enclosure area (and real cell delimiter)
              $quoteflg=1;
              $enc=$encindxf; 
              while($enc<$indxl) //$enc = next open quote
               {// loop till unquoted delim. is found
                 $enc=strpos($csv, $enclos, $enc+1); if($enc===false) { $enc=$imax; }//close quote
                 $encindxl=$enc; //last close quote
                 $indxl=strpos($csv, $delim, $enc+1); if($indxl===false)  { $indxl=$imax; }//last delim.
                 $enc=strpos($csv, $enclos, $enc+1); if($enc===false) { $enc=$imax; }//open quote
                 if(($indxl==$imax)||($enc==$imax)) break;
               }
              $rowindxl=strpos($csv, $rowbr, $enc+1); if($rowindxl===false) { $rowindxl=$imax; }
              if($rowindxl<$indxl) { $indxl=$rowindxl; $rowflg=1; }
            }

           if($quoteflg==0)
            { //no enclosured content - take as is
              $colflg=1;
              //get cell 
             // $cell=substr($csv, $indxf, ($indxl-$indxf)-1);
              $cell=substr($csv, $indxf, ($indxl-$indxf));
            }
           else// if($rowindxl > $encindxf)
            { // cell enclosed
              $colflg=1;

             //get cell - decode cell content
              $cell=substr($csv, $encindxf+1, ($encindxl-$encindxf)-1);

              if($mode=='EXCEL') //remove EXCEL 2quote escapes
                { $cell=str_replace($esc_enclos, $enclos, $cell);
                }
              else //remove STANDARD esc. sceme
                { $cell=str_replace($escapes, $escapes2, $cell);
                }
            }

           if($colflg)
            {// read cell into array
              if( ($fmt=='2D_FIELDNAME_ARRAY') && ($headerflg==1) )
               { $row[$fields[$colcnt]]=$cell; }
              else if(($fmt=='2D_NUMBERED_ARRAY')||($headerflg==0))
               { $row[$colcnt]=$cell; } //$rows[$rowcnt][$colcnt] = $cell;

              $colcnt++; $colflg=0; $cell="";
              $indxf=$indxl+1;//strlen($delim);
            }
           if($rowflg)
            {// read row into big array
              if(($headerrow) && ($headerflg==0))
                {  $fields=$row;
                   $row=array();
                   $headerflg=1;
                }
              else
                { $rows[$rowcnt]=$row;
                  $row=array();
                  $rowcnt++; 
                }
               $colcnt=0; $rowflg=0; $cell="";
               $rowindxf=$rowindxl+2;//strlen($rowbr);
               $indxf=$rowindxf;
            }

           $i++;
           //SWMessage("SW_ExplodeCSV() - colcnt = ".$colcnt."   rowcnt = ".$rowcnt."   indxf = ".$indxf."   indxl = ".$indxl."   rowindxf = ".$rowindxf);
           //if($i>20) break;
         }

       return $rows;
     }

...bob can now go back to his speadsheets

If you have a request going to an application in the site, make sure you set maxRequestLength in the root web.config. The maxRequestLength in the applications's web.config appears to be ignored.

From The Java™ Tutorials - Abstract Classes Compared to Interfaces

Which should you use, abstract classes or interfaces?

• Consider using abstract classes if any of these statements apply to your situation:
  • You want to share code among several closely related classes.
  • You expect that classes that extend your abstract class have many common methods or fields, or require access modifiers other than public (such as protected and private).
  • You want to declare non-static or non-final fields. This enables you to define methods that can access and modify the state of the object to which they belong.
• Consider using interfaces if any of these statements apply to your situation:
  • You expect that unrelated classes would implement your interface. For example, the interfaces Comparable and Cloneable are implemented by many unrelated classes.
  • You want to specify the behavior of a particular data type, but not concerned about who implements its behavior.
  • You want to take advantage of multiple inheritance of type.

An example of an abstract class in the JDK is AbstractMap, which is part of the Collections Framework. Its subclasses (which include HashMap, TreeMap, and ConcurrentHashMap) share many methods (including get, put, isEmpty, containsKey, and containsValue) that AbstractMap defines.

I just want to add that orderby is way more useful.

Why? Because I can do this:

Dim thisAccountBalances = account.DictOfBalances.Values.ToList
thisAccountBalances.ForEach(Sub(x) x.computeBalanceOtherFactors())
thisAccountBalances=thisAccountBalances.OrderBy(Function(x) x.TotalBalance).tolist
listOfBalances.AddRange(thisAccountBalances)

Why complicated comparer? Just sort based on a field. Here I am sorting based on TotalBalance.

Very easy.

I can't do that with sort. I wonder why. Do fine with orderBy.

As for speed it's always O(n).

For the final, compiled code of your application, the short answer is “no”. Different tools are able to extract different information from the code (e.g. the forms setups) and there are P code decompilers (see Edgar's excellent link for such tools). However, up to this day, there is no decompiler for native code. I'm not aware of anything similar for other high-level languages either.

Version 12 of the ReportViewer bits is referred to as Microsoft Report Viewer 2015 Runtime and can downloaded for installation from the following link:

https://www.microsoft.com/en-us/download/details.aspx?id=45496

UPDATE:

The ReportViewer bits are also available as a NUGET package: https://www.nuget.org/packages/Microsoft.ReportViewer.Runtime.Common/12.0.2402.15

Install-Package Microsoft.ReportViewer.Runtime.Common

"user.dir" is the current working directory, not the home directory It is all described here.

http://docs.oracle.com/javase/tutorial/essential/environment/sysprop.html

Also, by using \\ instead of File.separator, you will lose portability with *nix system which uses / for file separator.

UPDATED ANSWER

Google Analytics Admin panel has 3 panels, wherein deleting can be done on any of the following :

1. Account (Contains multiple properties, and views)
2. Properties (Contains Views, a subset of Account)
3. Views (subset of properties)

Deleting an Account

Deleting the account, will remove all data pertaining to that account, along with all properties/profiles it contains. This is (usually) as good as removing the entire website data.

To delete the account, follow the following steps : (refer to image below)

• Choose the account you want to delete.

• Click on Account Settings

• Bottom right, a small link that says delete this account.

• You will get a confirmation, if you are sure to, click Delete Account
• It will give you details, and will confirm deletion (and provide additional info like to remove GA snippet on your website, etc)

Note : If you have multiple accounts linked with your login, the other accounts are NOT touched, only this account will be deleted.

Deleting a property

Deleting a property will remove the selected property, and all the views it holds. To delete a property, delete all views it contains individually (see below for deleting views)

• Choose the property

• All profiles related to that property appear on the right
• Delete all the views related to the property individually (details in next section).

Deleting a View (profile)

Deleting a profile will remove only data pertaining to that view, if there is a single profile, the property is automatically deleted.

• Choose the profile you want to delete

• Click View Settings

• Click on delete View (Bottom right)

• Click Confirm, and that view will be deleted. If there is only a single view in the property, that property gets automatically deleted.

I want to keep the data, but not see them in the list

Sometimes you have a lot of websites, which you want to keep the data, but remove them from the list, since you don't view them often. I thought of a workaround, in case you do not want to delete the data.

Use another account.

1. Say, your primary account is A, and you make another account B.
2. Make B an administrator from A
3. Remove A

Since A was your primary account, you no longer will be able to access it from the list!
And you still have your data saved, just that you'll have to log in via the other (spare) account.

Previous Answer :

These are the steps to delete a profile from Google Support page :

Delete profiles

Remember, too, that when you delete a profile, you also delete all data associated with that profile, and it is not possible to retrieve that deleted data.

To delete a profile:

1. Click the Admin tab at the top right of any Analytics page.
2. Click the account that contains the profile you want to delete.
3. Click the web property from which you want to delete the profile.
4. Use the Profile menu to select the profile.
5. Click the Profile Settings tab.
6. Click Delete this profile at the bottom of the page.
7. Click Delete in the confirmation message.

i reached this question while trying to find all procedures which use a certain table

Oracle SQL Developer offers this capability, as pointed out in this article : https://www.thatjeffsmith.com/archive/2012/09/search-and-browse-database-objects-with-oracle-sql-developer/

From the View menu, choose Find DB Object. Choose a DB connection. Enter the name of the table. At Object Types, keep only functions, procedures and packages. At Code section, check All source lines.

You can use the .rows property and check it's .length, like this:

var rowCount = document.getElementById('myTableID').rows.length;

Unicode string handling is already standardized in Python 3.

1. char's are already stored in Unicode (32-bit) in memory

2. You only need to open file in utf-8
   (32-bit Unicode to variable-byte-length utf-8 conversion is automatically performed from memory to file.)

   out1 = "(???? ??? ??´ ??` ???` )"
   fobj = open("t1.txt", "w", encoding="utf-8")
   fobj.write(out1)
   fobj.close()
   

What I need is to use Docker with MariaDb on different port /3301/ on my Ubuntu machine because I already had MySql installed and running on 3306.

To do this after half day searching did it using:

docker run -it -d -p 3301:3306 -v ~/mdbdata/mariaDb:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=root --name mariaDb mariadb

This pulls the image with latest MariaDb, creates container called mariaDb, and run mysql on port 3301. All data of which is located in home directory in /mdbdata/mariaDb.

To login in mysql after that can use:

mysql -u root -proot -h 127.0.0.1 -P3301

Used sources are:

The answer of Iarks in this article /using -it -d was the key :) /

how-to-install-and-use-docker-on-ubuntu-16-04

installing-and-using-mariadb-via-docker

mariadb-and-docker-use-cases-part-1

Good luck all!

Add and define terms for the style="" to the input field, that's the easiest way to go about it: Example:

<form>
    <div class="form-group">
        <label for="email">Email address:</label>
        <input type="email" class="form-control" id="email" style="width:200px;">
    </div>
    <div class="form-group">
        <label for="pwd">Password:</label>
        <input type="password" class="form-control" id="pwd" style="width:200px">
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
</form>

Günter's answer is great (question is asking for dynamic class attribute) but I thought I would add just for completeness...

If you're looking for a quick and clean way to add one or more static classes to the host element of your component (i.e., for theme-styling purposes) you can just do:

@Component({
   selector: 'my-component',
   template: 'app-element',
   host: {'class': 'someClass1'}
})
export class App implements OnInit {
...
}

And if you use a class on the entry tag, Angular will merge the classes, i.e.,

<my-component class="someClass2">
  I have both someClass1 & someClass2 applied to me
</my-component>

This problem comes from a strange quirk within Office/Windows.

After developing the same piece of VBA code and running it hundreds of times (literally) over the last couple days I ran into this problem just now. The only thing that has been different is that just prior to experiencing this perplexing problem I accidentally ended the execution of the VBA code with an unorthodox method.

I cleaned out all temp files, rebooted, etc... When I ran the code again after all of this I still got the issue - before I entered the first loop. It makes sense that "press "Debug" button in the popup, then press twice [Ctrl+Break] and after this can continue without stops" because something in the combination of Office/Windows has not released the execution. It is stuck.

The redundant Ctrl+Break action probably resolves the lingering execution.

It can be achieved if you are using a string resource xml file, which supports HTML tags like <b></b>, <i></i> and <u></u>.

<resources>
    <string name="your_string_here">This is an <u>underline</u>.</string>
</resources>

If you want to underline something from code use:

TextView textView = (TextView) view.findViewById(R.id.textview);
SpannableString content = new SpannableString("Content");
content.setSpan(new UnderlineSpan(), 0, content.length(), 0);
textView.setText(content);

Use append method, eg:

lst = []
line = np.genfromtxt('temp.txt', usecols=3, dtype=[('floatname','float')], skip_header=1)
lst.append(line)

SELECT CAST(FLOOR(CAST(GETDATE() AS float)) as datetime)

or

SELECT CONVERT(datetime,FLOOR(CONVERT(float,GETDATE())))

if you know the remote branch you want to check, you can find out the latest via:

git ls-tree -r <remote_branch> --name-only

I wouldn't use arrays. They're problematic for several reasons and you can't declare it in terms of a specific array size anyway. Try:

List<List<String>> addresses = new ArrayList<List<String>>();

But honestly for addresses, I'd create a class to model them.

If you were to use arrays it would be:

List<String[]> addresses = new ArrayList<String[]>();

ie you can't declare the size of the array.

Lastly, don't declare your types as concrete types in instances like this (ie for addresses). Use the interface as I've done above. This applies to member variables, return types and parameter types.

Using <summary> and <details>

Using <summary> and <details> elements is the simplest but see browser support as current IE is not supporting it. You can polyfill though (most are jQuery-based). Do note that unsupported browser will simply show the expanded version of course, so that may be acceptable in some cases.

/* Optional styling */_x000D_
summary::-webkit-details-marker {_x000D_
  color: blue;_x000D_
}_x000D_
summary:focus {_x000D_
  outline-style: none;_x000D_
}

<details>_x000D_
  <summary>Summary, caption, or legend for the content</summary>_x000D_
  Content goes here._x000D_
</details>

See also how to style the <details> element (HTML5 Doctor) (little bit tricky).

Pure CSS3

The :target selector has a pretty good browser support, and it can be used to make a single collapsible element within the frame.

.details,_x000D_
.show,_x000D_
.hide:target {_x000D_
  display: none;_x000D_
}_x000D_
.hide:target + .show,_x000D_
.hide:target ~ .details {_x000D_
  display: block;_x000D_
}

<div>_x000D_
  <a id="hide1" href="#hide1" class="hide">+ Summary goes here</a>_x000D_
  <a id="show1" href="#show1" class="show">- Summary goes here</a>_x000D_
  <div class="details">_x000D_
    Content goes here._x000D_
  </div>_x000D_
</div>_x000D_
<div>_x000D_
  <a id="hide2" href="#hide2" class="hide">+ Summary goes here</a>_x000D_
  <a id="show2" href="#show2" class="show">- Summary goes here</a>_x000D_
  <div class="details">_x000D_
    Content goes here._x000D_
  </div>_x000D_
</div>

If you are getting error like

• branch master -> FETCH_HEAD error: The following untracked working tree files would be overwritten by merge: src/dj/abc.html Please move or remove them before you merge. Aborting

Try removing the above file manually(Careful). Git will merge this file from master branch.

Don’t Repeat Your CSS

 a.abc, a.xyz{
    margin-left:20px;
 }

OR

 a{
    margin-left:20px;
 }

The setting for the list throttle

• Open the SharePoint Central Administration,
• go to Application Management --> Manage Web Applications
• Click to select the web application that hosts your list (eg. SharePoint - 80)
• At the Ribbon, select the General Settings and select Resource Throttling
• Then, you can see the 5000 List View Threshold limit and you can edit the value you want.
• Click OK to save it.

For addtional reading: http://blogs.msdn.com/b/dinaayoub/archive/2010/04/22/sharepoint-2010-how-to-change-the-list-view-threshold.aspx

You have to use various ways to get current value of an input element.

METHOD - 1

If you want to use a simple .val(), try this:

<input type="text" id="txt_name" />

Get values from Input

// use to select with DOM element.
$("input").val();

// use the id to select the element.
$("#txt_name").val();

// use type="text" with input to select the element
$("input:text").val();

Set value to Input

// use to add "text content" to the DOM element.
$("input").val("text content");

// use the id to add "text content" to the element.
$("#txt_name").val("text content");

// use type="text" with input to add "text content" to the element
$("input:text").val("text content");

METHOD - 2

Use .attr() to get the content.

<input type="text" id="txt_name" value="" />

I just add one attribute to the input field. value="" attribute is the one who carry the text content that we entered in input field.

$("input").attr("value");

METHOD - 3

you can use this one directly on your input element.

$("input").keyup(function(){
    alert(this.value);
});

I use a batch script to compile and run C#:

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc /out:%1 %2

@echo off

if errorlevel 1 (
    pause
    exit
)

start %1 %1

I call it like this:

C:\bin\csc.bat "C:\code\MyProgram.exe" "C:\code\MyProgram.cs"

I also have a shortcut in Notepad++, which you can define by going to Run > Run...:

C:\bin\csc.bat "$(CURRENT_DIRECTORY)\$(NAME_PART).exe" "$(FULL_CURRENT_PATH)"

I assigned this shortcut to my F5 key for maximum laziness.

The only thing that worked for me was to connect my phone to my MacBook using Bluetooth. (I did this after first pairing my phone with Xcode while connected via cable per ios_dev's answer above.)

On my phone, I went to Settings > Bluetooth and tapped my MacBook's name under "MY DEVICES" to connect.

I then went to Xcode > Devices and Simulators, selected my phone and checked "Connect via network". After a few seconds, the globe icon appeared next to my phone and I could run and debug my app on my phone.

This worked even when my MacBook was connected to a WiFi network and my phone was using LTE. The only downside is that it was quite slow installing the app to the phone.

.onclick should be set to a function instead of a string. Try

elemm.onclick = function() { alert('blah'); };

instead.

You could do the opposite of what you proposed.

location (/test)/ {
   set $folder $1;
}

location (/test_/something {
   set $folder $1;
}

Win + R and type copy paste command and press OK:

powershell Set-ExecutionPolicy -Scope "CurrentUser" -ExecutionPolicy "RemoteSigned"

And execute your script.

Then revert changes like:

powershell Set-ExecutionPolicy -Scope "CurrentUser" -ExecutionPolicy "AllSigned"

There is a version of string.Split that takes an array of strings and a StringSplitOptions parameter:

http://msdn.microsoft.com/en-us/library/tabh47cf.aspx

I used jsPDF and dom-to-image library to export HTML to PDF.

I post here as reference to whom concern.

$('#downloadPDF').click(function () {
    domtoimage.toPng(document.getElementById('content2'))
      .then(function (blob) {
          var pdf = new jsPDF('l', 'pt', [$('#content2').width(), $('#content2').height()]);
          pdf.addImage(blob, 'PNG', 0, 0, $('#content2').width(), $('#content2').height());
          pdf.save("test.pdf");
      });
});

Demo: https://jsfiddle.net/viethien/md03wb21/27/

Your regex should work 'as-is'. Assuming that it is doing what you want it to.

wordA(\s*)wordB(?! wordc)

This means match wordA followed by 0 or more spaces followed by wordB, but do not match if followed by wordc. Note the single space between ?! and wordc which means that wordA wordB wordc will not match, but wordA wordB wordc will.

Here are some example matches and the associated replacement output:

Note that all matches are replaced no matter how many spaces. There are a couple of other points: -

• (?! wordc) is a negative lookahead, so you wont match lines wordA wordB wordc which is assume is intended (and is why the last line is not matched). Currently you are relying on the space after ?! to match the whitespace. You may want to be more precise and use (?!\swordc). If you want to match against more than one space before wordc you can use (?!\s*wordc) for 0 or more spaces or (?!\s*+wordc) for 1 or more spaces depending on what your intention is. Of course, if you do want to match lines with wordc after wordB then you shouldn't use a negative lookahead.

• * will match 0 or more spaces so it will match wordAwordB. You may want to consider + if you want at least one space.

• (\s*) - the brackets indicate a capturing group. Are you capturing the whitespace to a group for a reason? If not you could just remove the brackets, i.e. just use \s.

Update based on comment

Hello the problem is not the expression but the HTML out put   that are not considered as whitespace. it's a Joomla website.

Preserving your original regex you can use:

wordA((?:\s| )*)wordB(?!(?:\s| )wordc)

The only difference is that not the regex matches whitespace OR  . I replaced wordc with \swordc since that is more explicit. Note as I have already pointed out that the negative lookahead ?! will not match when wordB is followed by a single whitespace and wordc. If you want to match multiple whitespaces then see my comments above. I also preserved the capture group around the whitespace, if you don't want this then remove the brackets as already described above.

Example matches:

Run Visual Studio as Administrator and put your SQL SERVER authentication login (who has the permission to create a DB) and password in the connection string, it worked for me

Generally, the parameters are what are used inside the function and the arguments are the values passed when the function is called. (Unless you take the opposite view — Wikipedia mentions alternative conventions when discussing parameters and arguments).

double sqrt(double x)
{
    ...
    return x;
}

void other(void)
{
     double two = sqrt(2.0);
}

Under my thesis, x is the parameter to sqrt() and 2.0 is the argument.

The terms are often used at least somewhat interchangeably.

Try sgrep. It's not clear exactly what you are trying to do, but I surely would not attempt writing an XML parser in bash.

Some cloud solutions exist, such as macincloud (not free)

Here is how I did it!

//create the font

try {
    //create the font to use. Specify the size!
    Font customFont = Font.createFont(Font.TRUETYPE_FONT, new File("Fonts\\custom_font.ttf")).deriveFont(12f);
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    //register the font
    ge.registerFont(customFont);
} catch (IOException e) {
    e.printStackTrace();
} catch(FontFormatException e) {
    e.printStackTrace();
}

//use the font
yourSwingComponent.setFont(customFont);

php artisan dump-autoload was deprecated on Laravel 5, so you need to use composer dump-autoload

This, combined with the lack of real closures, is my biggest gripe for Java. Honestly, most of the methods mentioned above are pretty easy to read and REALLY efficient; however, after spending time with .Net, Erlang, etc... list comprehension integrated at the language level makes everything so much cleaner. Without additions at the language level, Java just cant be as clean as many other languages in this area.

If performance is a huge concern, Google collections is the way to go (or write your own simple predicate utility). Lambdaj syntax is more readable for some people, but it is not quite as efficient.

And then there is a library I wrote. I will ignore any questions in regard to its efficiency (yea, its that bad)...... Yes, i know its clearly reflection based, and no I don't actually use it, but it does work:

LinkedList<Person> list = ......
LinkedList<Person> filtered = 
           Query.from(list).where(Condition.ensure("age", Op.GTE, 21));

OR

LinkedList<Person> list = ....
LinkedList<Person> filtered = Query.from(list).where("x => x.age >= 21");

Try this way:

    HashMap<String, Integer> hashMap = new HashMap();

    for (int i=1; i<=3; i++) {
        hashMap.put("n" + i, 5);
    }

There is a way to iterate throw rows while getting a DataFrame in return, and not a Series. I don't see anyone mentioning that you can pass index as a list for the row to be returned as a DataFrame:

for i in range(len(df)):
    row = df.iloc[[i]]

Note the usage of double brackets. This returns a DataFrame with a single row.

Try this type header for Retrofit 1.9 and 2.0. For Json Content Type.

@Headers({"Accept: application/json"})
@POST("user/classes")
Call<playlist> addToPlaylist(@Body PlaylistParm parm);

You can add many more headers i.e

@Headers({
        "Accept: application/json",
        "User-Agent: Your-App-Name",
        "Cache-Control: max-age=640000"
    })

Dynamically Add to headers:

@POST("user/classes")
Call<ResponseModel> addToPlaylist(@Header("Content-Type") String content_type, @Body RequestModel req);

Call you method i.e

mAPI.addToPlayList("application/json", playListParam);

Or

Want to pass everytime then Create HttpClient object with http Interceptor:

OkHttpClient httpClient = new OkHttpClient();
        httpClient.networkInterceptors().add(new Interceptor() {
            @Override
            public com.squareup.okhttp.Response intercept(Chain chain) throws IOException {
                Request.Builder requestBuilder = chain.request().newBuilder();
                requestBuilder.header("Content-Type", "application/json");
                return chain.proceed(requestBuilder.build());
            }
        });

Then add to retrofit object

Retrofit retrofit = new Retrofit.Builder().baseUrl(BASE_URL).client(httpClient).build();

UPDATE if you are using Kotlin remove the { } else it will not work

Note that if you're using Sublime as your commit editor, you need the -n -w flags, otherwise git keeps thinking your commit message is empty and aborting.

I see a couple of issues.

First:

ser.read() is only going to return 1 byte at a time.

If you specify a count

ser.read(5)

it will read 5 bytes (less if timeout occurrs before 5 bytes arrive.)

If you know that your input is always properly terminated with EOL characters, better way is to use

ser.readline()

That will continue to read characters until an EOL is received.

Second:

Even if you get ser.read() or ser.readline() to return multiple bytes, since you are iterating over the return value, you will still be handling it one byte at a time.

Get rid of the

for line in ser.read():

and just say:

line = ser.readline()

Using the idea of totem and zlangner, I have created a KnownTypeConverter that will be able to determine the most appropriate inheritor, while taking into account that json data may not have optional elements.

So, the service sends a JSON response that contains an array of documents (incoming and outgoing). Documents have both a common set of elements and different ones. In this case, the elements related to the outgoing documents are optional and may be absent.

In this regard, a base class Document was created that includes a common set of properties. Two inheritor classes are also created: - OutgoingDocument adds two optional elements "device_id" and "msg_id"; - IncomingDocument adds one mandatory element "sender_id";

The task was to create a converter that based on json data and information from KnownTypeAttribute will be able to determine the most appropriate class that allows you to save the largest amount of information received. It should also be taken into account that json data may not have optional elements. To reduce the number of comparisons of json elements and properties of data models, I decided not to take into account the properties of the base class and to correlate with json elements only the properties of the inheritor classes.

Data from the service:

{
    "documents": [
        {
            "document_id": "76b7be75-f4dc-44cd-90d2-0d1959922852",
            "date": "2019-12-10 11:32:49",
            "processed_date": "2019-12-10 11:32:49",
            "sender_id": "9dedee17-e43a-47f1-910e-3a88ff6bc258",
        },
        {
            "document_id": "5044a9ac-0314-4e9a-9e0c-817531120753",
            "date": "2019-12-10 11:32:44",
            "processed_date": "2019-12-10 11:32:44",
        }
    ], 
    "total": 2
}

Data models:

/// <summary>
/// Service response model
/// </summary>
public class DocumentsRequestIdResponse
{
    [JsonProperty("documents")]
    public Document[] Documents { get; set; }

    [JsonProperty("total")]
    public int Total { get; set; }
}

// <summary>
/// Base document
/// </summary>
[JsonConverter(typeof(KnownTypeConverter))]
[KnownType(typeof(OutgoingDocument))]
[KnownType(typeof(IncomingDocument))]
public class Document
{
    [JsonProperty("document_id")]
    public Guid DocumentId { get; set; }

    [JsonProperty("date")]
    public DateTime Date { get; set; }

    [JsonProperty("processed_date")]
    public DateTime ProcessedDate { get; set; } 
}

/// <summary>
/// Outgoing document
/// </summary>
public class OutgoingDocument : Document
{
    // this property is optional and may not be present in the service's json response
    [JsonProperty("device_id")]
    public string DeviceId { get; set; }

    // this property is optional and may not be present in the service's json response
    [JsonProperty("msg_id")]
    public string MsgId { get; set; }
}

/// <summary>
/// Incoming document
/// </summary>
public class IncomingDocument : Document
{
    // this property is mandatory and is always populated by the service
    [JsonProperty("sender_sys_id")]
    public Guid SenderSysId { get; set; }
}

Converter:

public class KnownTypeConverter : JsonConverter
{
    public override bool CanConvert(Type objectType)
    {
        return System.Attribute.GetCustomAttributes(objectType).Any(v => v is KnownTypeAttribute);
    }

    public override bool CanWrite => false;

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
    {
        // load the object 
        JObject jObject = JObject.Load(reader);

        // take custom attributes on the type
        Attribute[] attrs = Attribute.GetCustomAttributes(objectType);

        Type mostSuitableType = null;
        int countOfMaxMatchingProperties = -1;

        // take the names of elements from json data
        HashSet<string> jObjectKeys = GetKeys(jObject);

        // take the properties of the parent class (in our case, from the Document class, which is specified in DocumentsRequestIdResponse)
        HashSet<string> objectTypeProps = objectType.GetProperties(BindingFlags.Instance | BindingFlags.Public)
            .Select(p => p.Name)
            .ToHashSet();

        // trying to find the right "KnownType"
        foreach (var attr in attrs.OfType<KnownTypeAttribute>())
        {
            Type knownType = attr.Type;
            if(!objectType.IsAssignableFrom(knownType))
                continue;

            // select properties of the inheritor, except properties from the parent class and properties with "ignore" attributes (in our case JsonIgnoreAttribute and XmlIgnoreAttribute)
            var notIgnoreProps = knownType.GetProperties(BindingFlags.Instance | BindingFlags.Public)
                .Where(p => !objectTypeProps.Contains(p.Name)
                            && p.CustomAttributes.All(a => a.AttributeType != typeof(JsonIgnoreAttribute) && a.AttributeType != typeof(System.Xml.Serialization.XmlIgnoreAttribute)));

            //  get serializable property names
            var jsonNameFields = notIgnoreProps.Select(prop =>
            {
                string jsonFieldName = null;
                CustomAttributeData jsonPropertyAttribute = prop.CustomAttributes.FirstOrDefault(a => a.AttributeType == typeof(JsonPropertyAttribute));
                if (jsonPropertyAttribute != null)
                {
                    // take the name of the json element from the attribute constructor
                    CustomAttributeTypedArgument argument = jsonPropertyAttribute.ConstructorArguments.FirstOrDefault();
                    if(argument != null && argument.ArgumentType == typeof(string) && !string.IsNullOrEmpty((string)argument.Value))
                        jsonFieldName = (string)argument.Value;
                }
                // otherwise, take the name of the property
                if (string.IsNullOrEmpty(jsonFieldName))
                {
                    jsonFieldName = prop.Name;
                }

                return jsonFieldName;
            });


            HashSet<string> jKnownTypeKeys = new HashSet<string>(jsonNameFields);

            // by intersecting the sets of names we determine the most suitable inheritor
            int count = jObjectKeys.Intersect(jKnownTypeKeys).Count();

            if (count == jKnownTypeKeys.Count)
            {
                mostSuitableType = knownType;
                break;
            }

            if (count > countOfMaxMatchingProperties)
            {
                countOfMaxMatchingProperties = count;
                mostSuitableType = knownType;
            }
        }

        if (mostSuitableType != null)
        {
            object target = Activator.CreateInstance(mostSuitableType);
            using (JsonReader jObjectReader = CopyReaderForObject(reader, jObject))
            {
                serializer.Populate(jObjectReader, target);
            }
            return target;
        }

        throw new SerializationException($"Could not serialize to KnownTypes and assign to base class {objectType} reference");
    }

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
    {
        throw new NotImplementedException();
    }

    private HashSet<string> GetKeys(JObject obj)
    {
        return new HashSet<string>(((IEnumerable<KeyValuePair<string, JToken>>) obj).Select(k => k.Key));
    }

    public static JsonReader CopyReaderForObject(JsonReader reader, JObject jObject)
    {
        JsonReader jObjectReader = jObject.CreateReader();
        jObjectReader.Culture = reader.Culture;
        jObjectReader.DateFormatString = reader.DateFormatString;
        jObjectReader.DateParseHandling = reader.DateParseHandling;
        jObjectReader.DateTimeZoneHandling = reader.DateTimeZoneHandling;
        jObjectReader.FloatParseHandling = reader.FloatParseHandling;
        jObjectReader.MaxDepth = reader.MaxDepth;
        jObjectReader.SupportMultipleContent = reader.SupportMultipleContent;
        return jObjectReader;
    }
}

PS: In my case, if no one inheritor has not been selected by converter (this can happen if the JSON data contains information only from the base class or the JSON data does not contain optional elements from the OutgoingDocument), then an object of the OutgoingDocument class will be created, since it is listed first in the list of KnownTypeAttribute attributes. At your request, you can vary the implementation of the KnownTypeConverter in this situation.

Here is how I do it. A short example, but made my query much more manageable

$visitorTraffic = PageView::where('created_at', '>=', \Carbon\Carbon::now->subMonth())
                        ->groupBy(DB::raw('Date(created_at)'))
                        ->orderBy('created_at', 'DESC')->get();

Well just a small change 'cause the above solution outputs

"I want anapple"

instead of

"I want an apple"

To get the output as

"I want an apple"

use the following modified code

var output = a.substr(0, position) + " " + b + a.substr(position);

Answers by ‘smartnut007’, ‘Bill Karwin’, and ‘sqlvogel’ are excellent. Yet let me put an interesting perspective to it.

Well, we have prime and non-prime keys.

When we focus on how non-primes depend on primes, we see two cases:

Non-primes can be dependent or not.

• When dependent: we see they must depend on a full candidate key. This is 2NF.

• When not dependent: there can be no-dependency or transitive dependency

  • Not even transitive dependency: Not sure what normalization theory addresses this.
  • When transitively dependent: It is deemed undesirable. This is 3NF.

What about dependencies among primes?

Now you see, we’re not addressing the dependency relationship among primes by either 2nd or 3rd NF. Further such dependency, if any, is not desirable and thus we’ve a single rule to address that. This is BCNF.

Referring to the example from Bill Karwin's post here, you’ll notice that both ‘Topping’, and ‘Topping Type’ are prime keys and have a dependency. Had they been non-primes with dependency, then 3NF would have kicked in.

Note:

The definition of BCNF is very generic and without differentiating attributes between prime and non-prime. Yet, the above way of thinking helps to understand how some anomaly is percolated even after 2nd and 3rd NF.

Advanced Topic: Mapping generic BCNF to 2NF & 3NF

Now that we know BCNF provides a generic definition without reference to any prime/non-prime attribues, let's see how BCNF and 2/3 NF's are related.

First, BCNF requires (other than the trivial case) that for each functional dependency X -> Y (FD), X should be super-key. If you just consider any FD, then we've three cases - (1) Both X and Y non-prime, (2) Both prime and (3) X prime and Y non-prime, discarding the (nonsensical) case X non-prime and Y prime.

For case (1), 3NF takes care of.

For case (3), 2NF takes care of.

For case (2), we find the use of BCNF

1) To access DOM in component.

import {BrowserDomAdapter } from '@angular/platform-browser/src/browser/browser_adapter';
constructor(el: ElementRef,public zone:NgZone) {
     this.el = el.nativeElement;
     this.dom = new BrowserDomAdapter();
 }
 ngOnInit() {
   this.dom.setValue(this.el,"Adding some content from ngOnInit"); 
 }

You can include jQuery in following way. 2) Include you jquery file in index.html before angular2 loads

      <head>
    <title>Angular 2 QuickStart</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="styles.css">

    <!-- jquery file -->
    <script src="js/jquery-2.0.3.min.js"></script>
    <script src="js/jquery-ui.js"></script>
    <script src="node_modules/es6-shim/es6-shim.min.js"></script>
    <script src="node_modules/zone.js/dist/zone.js"></script>
    <script src="node_modules/reflect-metadata/Reflect.js"></script>
    <script src="node_modules/systemjs/dist/system.src.js"></script>
    <script src="systemjs.config.js"></script>
    <script>
      System.import('app').catch(function(err){ console.error(err); });
    </script>
  </head>

You can use Jquery in following way, Here i am using JQuery Ui date picker.

    import { Directive, ElementRef} from '@angular/core';
    declare  var $:any;
    @Directive({
      selector: '[uiDatePicker]',
     })
    export class UiDatePickerDirective {
      private el: HTMLElement;
      constructor(el: ElementRef) {
        this.el = el.nativeElement;

     }

    ngOnInit() {
        $(this.el).datepicker({
         onSelect: function(dateText:string) {
            //do something on select
         }
        });
    }
}

This work for me.

I found this in forums.oracle.com

Allows the reuse of a process to execute multiple commands in Windows: http://kr.forums.oracle.com/forums/thread.jspa?messageID=9250051

You need something like

   String[] command =
    {
        "cmd",
    };
    Process p = Runtime.getRuntime().exec(command);
    new Thread(new SyncPipe(p.getErrorStream(), System.err)).start();
    new Thread(new SyncPipe(p.getInputStream(), System.out)).start();
    PrintWriter stdin = new PrintWriter(p.getOutputStream());
    stdin.println("dir c:\\ /A /Q");
    // write any other commands you want here
    stdin.close();
    int returnCode = p.waitFor();
    System.out.println("Return code = " + returnCode);

SyncPipe Class:

class SyncPipe implements Runnable
{
public SyncPipe(InputStream istrm, OutputStream ostrm) {
      istrm_ = istrm;
      ostrm_ = ostrm;
  }
  public void run() {
      try
      {
          final byte[] buffer = new byte[1024];
          for (int length = 0; (length = istrm_.read(buffer)) != -1; )
          {
              ostrm_.write(buffer, 0, length);
          }
      }
      catch (Exception e)
      {
          e.printStackTrace();
      }
  }
  private final OutputStream ostrm_;
  private final InputStream istrm_;
}

Try this:

btn.requestFocusFromTouch();

Use overflow-y: auto; on the div.

Also, you should be setting the width as well.

From the page on Random:

The method nextLong is implemented by class Random as if by:

public long nextLong() {
   return ((long)next(32) << 32) + next(32);
}

Because class Random uses a seed with only 48 bits, this algorithm will not return all possible long values.

So if you want to get a Long, you're already not going to get the full 64 bit range.

I would suggest that if you have a range that falls near a power of 2, you build up the Long as in that snippet, like this:

next(32) + ((long)nextInt(8) << 3)

to get a 35 bit range, for example.