This works perfectly

<i class="fa fa-power-off text-gray" style="transform: rotate(90deg);"></i>

You can use SUBSTRING(locations.raw,-6,4) for where conditon

SELECT `users`.`first_name`, `users`.`last_name`, `users`.`email`,
SUBSTRING(`locations`.`raw`,-6,4) AS `guaranteed_postcode`
FROM `users` LEFT OUTER JOIN `locations`
ON `users`.`id` = `locations`.`user_id`
WHERE SUBSTRING(`locations`.`raw`,-6,4) NOT IN #this is where the fake col is being used
(
SELECT `postcode` FROM `postcodes` WHERE `region` IN
(
 'australia'
)
)

The settings from the example above didn't work for the server I was using (authsmtp.com). I kept on getting this error:

javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?

I removed the mail.smtp.socketFactory settings and everything worked. The final settings were this (SMTP auth was not used and I set the port elsewhere):

java.util.Properties props = new java.util.Properties();
props.put("mail.smtp.starttls.enable", "true");

This should work

$(function(){
     $('body').on('contextmenu', 'img', function(e){ 
         return false; 
     });
 });

The issue you are encountering is a documented feature of get_or_create.

When using keyword arguments other than "defaults" the return value of get_or_create is an instance. That's why it is showing you the parens in the return value.

you could use customer.source = Source.objects.get_or_create(name="Website")[0] to get the correct value.

Here is a link for the documentation: http://docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create-kwargs

arr.slice(begin[,end])

is non destructive, splice and shift will modify your original array

We faced the same issue and fixed it. Below is the reason and solution.

Problem

When the connection pool mechanism is used, the application server (in our case, it is JBOSS) creates connections according to the min-connection parameter. If you have 10 applications running, and each has a min-connection of 10, then a total of 100 sessions will be created in the database. Also, in every database, there is a max-session parameter, if your total number of connections crosses that border, then you will get Got minus one from a read call.

FYI: Use the query below to see your total number of sessions:

SELECT username, count(username) FROM v$session 
WHERE username IS NOT NULL group by username

Solution: With the help of our DBA, we increased that max-session parameter, so that all our application min-connection can accommodate.

According to Dangerously Set innerHTML,

Improper use of the innerHTML can open you up to a cross-site scripting (XSS) attack. Sanitizing user input for display is notoriously error-prone, and failure to properly sanitize is one of the leading causes of web vulnerabilities on the internet.

Our design philosophy is that it should be "easy" to make things safe, and developers should explicitly state their intent when performing “unsafe” operations. The prop name dangerouslySetInnerHTML is intentionally chosen to be frightening, and the prop value (an object instead of a string) can be used to indicate sanitized data.

After fully understanding the security ramifications and properly sanitizing the data, create a new object containing only the key __html and your sanitized data as the value. Here is an example using the JSX syntax:

function createMarkup() {
    return {
       __html: 'First · Second'    };
 }; 

<div dangerouslySetInnerHTML={createMarkup()} /> 

Read more about it using below link:

documentation: React DOM Elements - dangerouslySetInnerHTML.

The best part of working with any open source technology is that you can inspect length and breadth of it. Checkout this link

find_by ~> Finds the first record matching the specified conditions. There is no implied ordering so if order matters, you should specify it yourself. If no record is found, returns nil.

find ~> Finds the first record matching the specified conditions , but if no record is found, it raises an exception but that is done deliberately.

Do checkout the above link, it has all the explanation and use cases for the following two functions.

If you can safely make (firstName, lastName) the PRIMARY KEY or at least put a UNIQUE key on them, then you could do this:

INSERT INTO logins (firstName, lastName, logins) VALUES ('Steve', 'Smith', 1)
ON DUPLICATE KEY UPDATE logins = logins + 1;

If you can't do that, then you'd have to fetch whatever that primary key is first, so I don't think you could achieve what you want in one query.

1. Install latest version of node
2. Run: npm cache clean
3. Run: npm install cordova -g

The legend titles can be labeled by specific aesthetic.

This can be achieved using the guides() or labs() functions from ggplot2 (more here and here). It allows you to add guide/legend properties using the aesthetic mapping.

Here's an example using the mtcars data set and labs():

ggplot(mtcars, aes(x=mpg, y=disp, size=hp, col=as.factor(cyl), shape=as.factor(gear))) +
  geom_point() +
  labs(x="miles per gallon", y="displacement", size="horsepower", 
       col="# of cylinders", shape="# of gears")

Answering the OP's question using guides():

# transforming the data from wide to long
require(reshape2)
dfm <- melt(df, id="TY")

# creating a scatterplot
ggplot(data = dfm, aes(x=TY, y=value, color=variable)) + 
  geom_point(size=5) +
  labs(title="Temperatures\n", x="TY [°C]", y="Txxx") +
  scale_color_manual(labels = c("T999", "T888"), values = c("blue", "red")) +
  theme_bw() +
  guides(color=guide_legend("my title"))  # add guide properties by aesthetic

$('.second').find('div:first')

Pending design decision. Meanwhile, use exclude()

The Django issue tracker has the remarkable entry #5763, titled "Queryset doesn't have a "not equal" filter operator". It is remarkable because (as of April 2016) it was "opened 9 years ago" (in the Django stone age), "closed 4 years ago", and "last changed 5 months ago".

Read through the discussion, it is interesting. Basically, some people argue __ne should be added while others say exclude() is clearer and hence __ne should not be added.

(I agree with the former, because the latter argument is roughly equivalent to saying Python should not have != because it has == and not already...)

Given that Windows has no sys/socket.h, you might consider just doing something like this:

#ifdef __WIN32__
# include <winsock2.h>
#else
# include <sys/socket.h>
#endif

I know you indicated that you won't use WinSock, but since WinSock is how TCP networking is done under Windows, I don't see that you have any alternative. Even if you use a cross-platform networking library, that library will be calling WinSock internally. Most of the standard BSD sockets API calls are implemented in WinSock, so with a bit of futzing around, you can make the same sockets-based program compile under both Windows and other OS's. Just don't forget to do a

#ifdef __WIN32__
   WORD versionWanted = MAKEWORD(1, 1);
   WSADATA wsaData;
   WSAStartup(versionWanted, &wsaData);
#endif

at the top of main()... otherwise all of your socket calls will fail under Windows, because the WSA subsystem wasn't initialized for your process.

I had the same issue, as it was giving error-415-unsupported-media-type while hitting post call using json while i already had the

@Consumes(MediaType.APPLICATION_JSON) 

and request headers as in my restful web service using Jersey 2.0+

Accept:application/json
Content-Type:application/json

I resolved this issue by adding following dependencies to my project

<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-jackson</artifactId>
<version>2.25</version>
</dependency>

this will add following jars to your library :

1. jersey-media-json-jackson-2.25.jar
2. jersey-entity-filtering-2.25.jar
3. jackson-module-jaxb-annotations-2.8.4.jar
4. jackson-jaxrs-json-provider-2.8.4.jar
5. jackson-jaxrs-base-2.8.4.jar

I hope it will works for others too as it did for me.

You can try setting the target attribute of your form to a hidden iframe, so the page containing the form won't get reloaded.

I tried it with file uploads (which we know can't be done via AJAX), and it worked beautifully.

exDict = {1:1, 2:2, 3:3}
with open('file.txt', 'w+') as file:
    file.write(str(exDict))

If the label immediately follows a specified input element:

input#example + label { ... }
input:checked + label { ... }

You missed a space: db.execSQL("delete * from " + TABLE_NAME);

Also there is no need to even include *, the correct query is:

db.execSQL("delete from "+ TABLE_NAME);

If you are using Spring

return new ResponseEntity<String>("your response", HttpStatus.ACCEPTED);

From adb --help:

connect <host>:<port>         - Connect to a device via TCP/IP

That's a command-line option by the way.

You should try connecting the phone to your Wi-Fi, and then get its IP address from your router. It's not going to work on the cell network.

The port is 5554.

Worth noting that if nothing worked for you, you may have forgotten to escape your path.
For example, this code:

f = open("C:\Some\Path\To\file.csv")

Would result in an error:

SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

To fix, simply do:

f = open("C:\\Some\\Path\\To\\file.csv")

If you are using Java code based on Spring MVC configuration then enable the DefaultServletHandlerConfigurer in the WebMvcConfigurerAdapter object.

@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) { 
        configurer.enable();
}

Regarding whitehawk's accepted answer. I am just trying to add a bit hands on experience. Was just trying to add a comments, but SO complains it's too long.

Basically, without IE 9 installed, the registry switch FEATURE_BROWSER_EMULATION won't work AT ALL.

For example, my own experience today I was trying to get the .net webcontrol to work with IE10 mode because one html I am trying to render won't work with .netControl under VS2012, and not even work when I load the html to IE8 directly, still css won't render properly(even after I say allow blocked content). But I have tested the same html ok with IE10 on a friend's win 8 machine. That's why I am trying to set the .net webControl to IE 10 mode but just keeps failing...

Now I figured this is bcos my win 7 machine only have IE8 installed, so regardless which value I set to the FEATURE_BROWSER_EMULATION switch(value to IE9, IE10 IE11), it just won't work AT ALL !

Then I downloaded and installed IE 10 on my win 7 machine. Still it won't work, then I added the FEATURE_BROWSER_EMULATION, it started working !

Also I noticed regardless which value I set , even set it to value 0 by default, the webControl is still using IE 10 mode which still works for me.

So to summarise, If you have IE X installed but you want your .Net webControl to work under IE (X+N) N>0 modo, TWO things you need to do:

1. Go to MS website & download and install IE (X+N) on your machine, you will need to reboot after installation.

2. apply whitehawk's answer.

Basically: To control the value of this feature by using the registry, add the name of your executable file to the following setting and set the value to match the desired setting.

HKEY_LOCAL_MACHINE (or HKEY_CURRENT_USER)
   SOFTWARE
      Microsoft
         Internet Explorer
            Main
               FeatureControl
                  FEATURE_BROWSER_EMULATION
                     contoso.exe = (DWORD) 00009000

Windows Internet Explorer 8 and later. The FEATURE_BROWSER_EMULATION feature defines the default emulation mode for Internet Explorer and supports the following values.

Value Description

• 11001 (0x2AF9 Internet Explorer 11. Webpages are displayed in IE11 edge mode, regardless of the !DOCTYPE directive.

  11000 (0x2AF8) IE11. Webpages containing standards-based !DOCTYPE directives are displayed in IE11 edge mode. Default value for IE11.

  10001 (0x2711) Internet Explorer 10. Webpages are displayed in IE10 Standards mode, regardless of the !DOCTYPE directive.

  10000 (0x02710) Internet Explorer 10. Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode. Default value for Internet Explorer 10.

  9999 (0x270F) Windows Internet Explorer 9. Webpages are displayed in IE9 Standards mode, regardless of the !DOCTYPE directive.

  9000 (0x2328) Internet Explorer 9. Webpages containing standards-based !DOCTYPE directives are displayed in IE9 mode. Default value for Internet Explorer 9.

  Important In Internet Explorer 10, Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.

  8888 (0x22B8) Webpages are displayed in IE8 Standards mode, regardless of the !DOCTYPE directive.

  8000 (0x1F40) Webpages containing standards-based !DOCTYPE directives are displayed in IE8 mode. Default value for Internet Explorer 8 Important In Internet Explorer 10, Webpages containing standards-based !DOCTYPE directives are displayed in IE10 Standards mode.

  7000 (0x1B58) Webpages containing standards-based !DOCTYPE directives are displayed in IE7 Standards mode. Default value for applications hosting the WebBrowser Control.

Full ref here

Does the unsigned keyword default to a data type in C++

Yes,signed and unsigned may also be used as standalone type specifiers

The integer data types char, short, long and int can be either signed or unsigned depending on the range of numbers needed to be represented. Signed types can represent both positive and negative values, whereas unsigned types can only represent positive values (and zero).

An unsigned integer containing n bits can have a value between 0 and 2ⁿ - 1 (which is 2ⁿ different values).

However,signed and unsigned may also be used as standalone type specifiers, meaning the same as signed int and unsigned int respectively. The following two declarations are equivalent:

unsigned NextYear;
unsigned int NextYear;

wait is defined in Object, and not it Thread. The monitor on Thread is a little unpredictable.

Although all Java objects have monitors, it is generally better to have a dedicated lock:

private final Object lock = new Object();

You can get slightly easier to read diagnostics, at a small memory cost (about 2K per process) by using a named class:

private static final class Lock { }
private final Object lock = new Lock();

In order to wait or notify/notifyAll an object, you need to be holding the lock with the synchronized statement. Also, you will need a while loop to check for the wakeup condition (find a good text on threading to explain why).

synchronized (lock) {
    while (!isWakeupNeeded()) {
        lock.wait();
    }
}

To notify:

synchronized (lock) {
    makeWakeupNeeded();
    lock.notifyAll();
}

It is well worth getting to understand both Java language and java.util.concurrent.locks locks (and java.util.concurrent.atomic) when getting into multithreading. But use java.util.concurrent data structures whenever you can.

I made this change and now it works for me.

//BufferedReader reader = new BufferedReader(new InputStreamReader(is, "iso-8859-1"), 8);
BufferedReader reader = new BufferedReader(new InputStreamReader(is, HTTP.UTF_8), 8);

Make use of onResume method... both on the fragment activity and the activity holding the fragment.

I believe this is what you're looking for:

Convert Decimal Numbers to Text showing only the non-zero decimals

Especially this line might be helpful:

StringVar text     :=  Totext ( {Your.NumberField} , 6 , ""  )  ;

The first parameter is the decimal to be converted, the second parameter is the number of decimal places and the third parameter is the separator for thousands/millions etc.

getView() method create new View or ViewGroup for each row of Listview or Spinner . You can define this View or ViewGroup in a Layout XML file in res/layout folder and can give the reference it to Adapter class Object.

if you have 4 item in a Array passed to Adapter. getView() method will create 4 View for 4 rows of Adaper.

LayoutInflater class has a Method inflate() whic create View Object from XML resource layout.

Remove the '#' and do

Color c = Color.FromArgb(int.Parse("#FFFFFF".Replace("#",""),
                         System.Globalization.NumberStyles.AllowHexSpecifier));

Flask with SQLAlchemy has boolean.

https://overiq.com/flask-101/database-modelling-in-flask/

just try to push it to your branch again. This will ask your username and password again, so you can feed in the changed password. So that your new password will be stored again in the cache.

To disable past dates, Add this given js:

var $input = $('.datepicker').pickadate();
var picker = $input.pickadate('picker');
picker.set('min',true);`][1]

Here is a link that describes how to print permutations of a string. http://nipun-linuxtips.blogspot.in/2012/11/print-all-permutations-of-characters-in.html

Starting from Laravel 5.1.26, tagged on 2015-12-02, a useCurrent() modifier has been added:

Schema::table('users', function ($table) {
    $table->timestamp('created')->useCurrent();
});

PR 10962 (followed by commit 15c487fe) leaded to this addition.

You may also want to read issues 3602 and 11518 which are of interest.

Basically, MySQL 5.7 (with default config) requires you to define either a default value or nullable for time fields.

LINQ-to-SQL is a remarkable piece of technology that is very simple to use, and by and large generates very good queries to the back end. LINQ-to-EF was slated to supplant it, but historically has been extremely clunky to use and generated far inferior SQL. I don't know the current state of affairs, but Microsoft promised to migrate all the goodness of L2S into L2EF, so maybe it's all better now.

Personally, I have a passionate dislike of ORM tools (see my diatribe here for the details), and so I see no reason to favour L2EF, since L2S gives me all I ever expect to need from a data access layer. In fact, I even think that L2S features such as hand-crafted mappings and inheritance modeling add completely unnecessary complexity. But that's just me. ;-)

.jar isn't executable. Instantiate classes or make call to any static method.

EDIT: Add Main-Class entry while creating a JAR.

>p.mf (content of p.mf)

Main-Class: pk.Test

>Test.java

package pk;
public class Test{
  public static void main(String []args){
    System.out.println("Hello from Test");
  }
}

Use Process class and it's methods,

public class Exec
{
   public static void main(String []args) throws Exception
    {
        Process ps=Runtime.getRuntime().exec(new String[]{"java","-jar","A.jar"});
        ps.waitFor();
        java.io.InputStream is=ps.getInputStream();
        byte b[]=new byte[is.available()];
        is.read(b,0,b.length);
        System.out.println(new String(b));
    }
}

The best way I've found is to delegate the exception to the HandlerExceptionResolver

@Component("restAuthenticationEntryPoint")
public class RestAuthenticationEntryPoint implements AuthenticationEntryPoint {

    @Autowired
    private HandlerExceptionResolver resolver;

    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        resolver.resolveException(request, response, null, exception);
    }
}

then you can use @ExceptionHandler to format the response the way you want.

11 years later...
Taking a website screenshot using Python3.6 and Google PageSpeedApi Insights v5:

import base64
import requests
import traceback
import urllib.parse as ul

# It's possible to make requests without the api key, but the number of requests is very limited  

url = "https://duckgo.com"
urle = ul.quote_plus(url)
image_path = "duckgo.jpg"

key = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
strategy = "desktop" # "mobile"
u = f"https://www.googleapis.com/pagespeedonline/v5/runPagespeed?key={key}&strategy={strategy}&url={urle}"

try:
    j = requests.get(u).json()
    ss_encoded = j['lighthouseResult']['audits']['final-screenshot']['details']['data'].replace("data:image/jpeg;base64,", "")
    ss_decoded = base64.b64decode(ss_encoded)
    with open(image_path, 'wb+') as f:
        f.write(ss_decoded) 
except :
    print(traceback.format_exc())
    exit(1)

Notes:

• Live Demo
• Pros: Free
• Conns: Low Resolution
• Get API Key
• Docs
• Limits:
  • Queries per day = 25,000
  • Queries per 100 seconds = 400

Well, the above answer is correct, auto_now_add and auto_now would do it, but it would be better to make an abstract class and use it in any model where you require created_at and updated_at fields.

class TimeStampMixin(models.Model):
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        abstract = True

Now anywhere you want to use it you can do a simple inherit and you can use timestamp in any model you make like.

class Posts(TimeStampMixin):
    name = models.CharField(max_length=50)
    ...
    ...

In this way, you can leverage object-oriented reusability, in Django DRY(don't repeat yourself)

I have a very similar problem. Actually the problem is deeper as I thought. I am using jquery $.post which uses Content-Type:application/x-www-form-urlencoded; charset=UTF-8 as default. Unfortunately I based my system on that and when I needed a complex object as a @RequestParam I couldn't just make it happen.

In my case I am trying to send user preferences with something like;

 $.post("/updatePreferences",  
    {id: 'pr', preferences: p}, 
    function (response) {
 ...

On client side the actual raw data sent to the server is;

...
id=pr&preferences%5BuserId%5D=1005012365&preferences%5Baudio%5D=false&preferences%5Btooltip%5D=true&preferences%5Blanguage%5D=en
...

parsed as;

id:pr
preferences[userId]:1005012365
preferences[audio]:false
preferences[tooltip]:true
preferences[language]:en

and the server side is;

@RequestMapping(value = "/updatePreferences")
public
@ResponseBody
Object updatePreferences(@RequestParam("id") String id, @RequestParam("preferences") UserPreferences preferences) {

    ...
        return someService.call(preferences);
    ...
}

I tried @ModelAttribute, added setter/getters, constructors with all possibilities to UserPreferences but no chance as it recognized the sent data as 5 parameters but in fact the mapped method has only 2 parameters. I also tried Biju's solution however what happens is that, spring creates an UserPreferences object with default constructor and doesn't fill in the data.

I solved the problem by sending JSon string of the preferences from the client side and handle it as if it is a String on the server side;

client:

 $.post("/updatePreferences",  
    {id: 'pr', preferences: JSON.stringify(p)}, 
    function (response) {
 ...

server:

@RequestMapping(value = "/updatePreferences")
public
@ResponseBody
Object updatePreferences(@RequestParam("id") String id, @RequestParam("preferences") String preferencesJSon) {


        String ret = null;
        ObjectMapper mapper = new ObjectMapper();
        try {
            UserPreferences userPreferences = mapper.readValue(preferencesJSon, UserPreferences.class);
            return someService.call(userPreferences);
        } catch (IOException e) {
            e.printStackTrace();
        }
}

to brief, I did the conversion manually inside the REST method. In my opinion the reason why spring doesn't recognize the sent data is the content-type.

Personally, I find that using the os module is the easiest method as outlined below. If you are only going up one level, replace ('../..') with ('..').

    import os
    os.chdir('../..')

--Check:
    os.getcwd()

ls -lart | tail -n +2 #argument means starting with line 2

1. Add Admin user with password
2. Go to wwwroot props
3. Give this user a full access to this folder and its children
4. Change the user of the AppPool to the added user using this article http://technet.microsoft.com/en-us/library/cc771170(v=ws.10).aspx
5. Change the User of the website using this article http://techblog.sunsetsurf.co.uk/2010/07/changing-the-user-iis-runs-as-windows-2008-iis-7-5/ Put the same username and password you have created at step (1).

It is working now congrats

You could also get this error if you are viewing accessing the page locally (via file:// instead of http://)..

There is some discussion about this here: https://github.com/jeromegn/Backbone.localStorage/issues/55

If you used ms build tools to install node the path is here:

C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Microsoft\VisualStudio\NodeJs

SqlPubWiz.exe (for me, it's in C:\Program Files (x86)\Microsoft SQL Server\90\Tools\Publishing\1.2>)

Run it with no arguments for a wizard. Give it arguments to run on commandline.

SqlPubWiz.exe script -C "<ConnectionString>" <OutputFile>

You're trying to import all of those modules at once. Even if one of them fails, the rest will not import. For example:

try:
    import datetime
    import foo
    import sys
except ImportError:
    pass

Let's say foo doesn't exist. Then only datetime will be imported.

What you can do is import the sys module at the beginning of the file, before the try/except statement:

import sys
try:
    import numpy as np
    import pyfits as pf
    import scipy.ndimage as nd
    import pylab as pl
    import os
    import heapq
    from scipy.optimize import leastsq

except ImportError:
    print "Error: missing one of the libraries (numpy, pyfits, scipy, matplotlib)"
    sys.exit()

I think you meant that you want to clear all the cells in the jTable and make it just like a new blank jTable. For an example, if your table is myTable, you can do following.

DefaultTableModel model = new DefaultTableModel();
myTable.setModel(model);

I've got a solution that allows you to check for different values of a prop and thus different <th> elements will become active/inactive. Using vue 2 syntax.

<th 
class="initial " 
@click.stop.prevent="myFilter('M')"
:class="[(activeDay == 'M' ? 'active' : '')]">
<span class="wkday">M</span>
</th>
...
<th 
class="initial " 
@click.stop.prevent="myFilter('T')"
:class="[(activeDay == 'T' ? 'active' : '')]">
<span class="wkday">T</span>
</th>



new Vue({
  el: '#my-container',

  data: {
      activeDay: 'M'
  },

  methods: {
    myFilter: function(day){
        this.activeDay = day;
      // some code to filter users
    }
  }
})

Both pandas and matplotlib.dates use matplotlib.units for locating the ticks.

But while matplotlib.dates has convenient ways to set the ticks manually, pandas seems to have the focus on auto formatting so far (you can have a look at the code for date conversion and formatting in pandas).

So for the moment it seems more reasonable to use matplotlib.dates (as mentioned by @BrenBarn in his comment).

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt 
import matplotlib.dates as dates

idx = pd.date_range('2011-05-01', '2011-07-01')
s = pd.Series(np.random.randn(len(idx)), index=idx)

fig, ax = plt.subplots()
ax.plot_date(idx.to_pydatetime(), s, 'v-')
ax.xaxis.set_minor_locator(dates.WeekdayLocator(byweekday=(1),
                                                interval=1))
ax.xaxis.set_minor_formatter(dates.DateFormatter('%d\n%a'))
ax.xaxis.grid(True, which="minor")
ax.yaxis.grid()
ax.xaxis.set_major_locator(dates.MonthLocator())
ax.xaxis.set_major_formatter(dates.DateFormatter('\n\n\n%b\n%Y'))
plt.tight_layout()
plt.show()

(my locale is German, so that Tuesday [Tue] becomes Dienstag [Di])

Yes, there is awesome simple bash script I found, which allows you to update the Postman Linux app, straight from the terminal, called postman-updater-linux.

Just install it using NPM:

npm install -g postman-updater-linux

Then check for updates:

sudo postman-updater check

Then install:

sudo postman-updater install

Or update:

sudo postman-updater update

All three last commands can be used with custom location by adding -l /your/custom/path to end of this command.

You can do this the easy way by setting the size attribute to the length of the input contents:

function resizeInput() {
    $(this).attr('size', $(this).val().length);
}

$('input[type="text"]')
    // event handler
    .keyup(resizeInput)
    // resize on page load
    .each(resizeInput);

See: http://jsfiddle.net/nrabinowitz/NvynC/

This seems to add some padding on the right that I suspect is browser dependent. If you wanted it to be really tight to the input, you could use a technique like the one I describe in this related answer, using jQuery to calculate the pixel size of your text.

If you'd like to know what is the numeric version of FireFox you can use the following snippet:

var match = window.navigator.userAgent.match(/Firefox\/([0-9]+)\./);
var ver = match ? parseInt(match[1]) : 0;

editText.setOnKeyListener(new View.OnKeyListener() {
    @Override
    public boolean onKey(View v, int keyCode, KeyEvent event) {
        editText.setSelection(editText.getText().length());
        return false;
    }
});

Dictionary objects allow you to iterate over their items. Also, with pattern matching and the division from __future__ you can do simplify things a bit.

Finally, you can separate your logic from your printing to make things a bit easier to refactor/debug later.

from __future__ import division

def Pythag(league):
    def win_percentages():
        for team, (runs_scored, runs_allowed) in league.iteritems():
            win_percentage = round((runs_scored**2) / ((runs_scored**2)+(runs_allowed**2))*1000)
            yield win_percentage

    for win_percentage in win_percentages():
        print win_percentage

As of Docker Compose 1.6, there is now improved support for data volumes in Docker Compose. The following compose file will create a data image which will persist between restarts (or even removal) of parent containers:

Here is the blog announcement: Compose 1.6: New Compose file for defining networks and volumes

Here's an example compose file:

version: "2"

services:
  db:
    restart: on-failure:10
    image: postgres:9.4
    volumes:
      - "db-data:/var/lib/postgresql/data"
  web:
    restart: on-failure:10
    build: .
    command: gunicorn mypythonapp.wsgi:application -b :8000 --reload
    volumes:
      - .:/code
    ports:
      - "8000:8000"
    links:
      - db

volumes:
  db-data:

As far as I can understand: This will create a data volume container (db_data) which will persist between restarts.

If you run: docker volume ls you should see your volume listed:

local               mypthonapp_db-data
...

You can get some more details about the data volume:

docker volume inspect mypthonapp_db-data
[
  {
    "Name": "mypthonapp_db-data",
    "Driver": "local",
    "Mountpoint": "/mnt/sda1/var/lib/docker/volumes/mypthonapp_db-data/_data"
  }
]

Some testing:

# Start the containers
docker-compose up -d

# .. input some data into the database
docker-compose run --rm web python manage.py migrate
docker-compose run --rm web python manage.py createsuperuser
...

# Stop and remove the containers:
docker-compose stop
docker-compose rm -f

# Start it back up again
docker-compose up -d

# Verify the data is still there
...
(it is)

# Stop and remove with the -v (volumes) tag:

docker-compose stop
docker=compose rm -f -v

# Up again ..
docker-compose up -d

# Check the data is still there:
...
(it is).

Notes:

• You can also specify various drivers in the volumes block. For example, You could specify the Flocker driver for db_data:

  volumes:
    db-data:
      driver: flocker
  

• As they improve the integration between Docker Swarm and Docker Compose (and possibly start integrating Flocker into the Docker eco-system (I heard a rumor that Docker has bought Flocker), I think this approach should become increasingly powerful.

Disclaimer: This approach is promising, and I'm using it successfully in a development environment. I would be apprehensive to use this in production just yet!

as your variable bool is pointing to a null, you will always get a NullPointerException, you need to initialize the variable first somewhere with a not null value, and then modify it.

You're looking for the <iframe> tag, or, better yet, a server-side templating language.

Well i am trying to open a .vbs within a batch file without having to click open but the answer to this question is ...

SET APPDATA=%CD%

start (your file here without the brackets with a .vbs if it is a vbd file)

You can do this

[self performSelector:@selector(MethodToExecute) withObject:nil afterDelay:1.0 ];

The answer by @Mobilpadde is nice. But this is my solution with regex using preg_replace which might be faster according to my tests.

echo preg_replace('/<br\s?\/?>/i', "\r\n", "testing<br/><br /><BR><br>");

function function_one() {
    preg_replace('/<br\s?\/?>/i', "\r\n", "testing<br/><br /><BR><br>");
}

function function_two() {
    str_ireplace(['<br />','<br>','<br/>'], "\r\n", "testing<br/><br /><BR><br>");
}

function benchmark() {
    $count = 10000000;
    $before = microtime(true);

    for ($i=0 ; $i<$count; $i++) {
        function_one();
    }

    $after = microtime(true);
    echo ($after-$before)/$i . " sec/function one\n";



    $before = microtime(true);

    for ($i=0 ; $i<$count; $i++) {
        function_two();
    }

    $after = microtime(true);
    echo ($after-$before)/$i . " sec/function two\n";
}
benchmark();

Results:

1.1471637010574E-6 sec/function one (preg_replace)
1.6027762889862E-6 sec/function two (str_ireplace)

I would suggest you take a look at Modernizr. Its a small light weight library that you can asynchronously load your javascript with features that allow you to check if the file is loaded and execute the script in the other you specify.

Here is an example of loading jquery:

Modernizr.load([
  {
    load: '//ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.js',
    complete: function () {
      if ( !window.jQuery ) {
            Modernizr.load('js/libs/jquery-1.6.1.min.js');
      }
    }
  },
  {
    // This will wait for the fallback to load and
    // execute if it needs to.
    load: 'needs-jQuery.js'
  }
]);

Some super smart person (tmburnell) that is not me suggests re-writing the route data:

let route = this.router.config.find(r => r.path === '/path');
route.data = { entity: 'entity' };
this.router.navigateByUrl('/path');

As seen here in the comments.

I hope someone will find this useful

Injection already existed in Java EE 5 with the @Resource, @PersistentUnit or @EJB annotations, for example. But it was limited to certain resources (datasource, EJB . . .) and into certain components (Servlets, EJBs, JSF backing bean . . .). With CDI you can inject nearly anything anywhere thanks to the @Inject annotation.

I recomend this one-liner

List<Video> videos = Arrays.asList(new Gson().fromJson(json, Video[].class));

Warning: the list of videos, returned by Arrays.asList is immutable - you can't insert new values. If you need to modify it, wrap in new ArrayList<>(...).

Reference:

1. Method Arrays#asList
2. Constructor Gson
3. Method Gson#fromJson (source json may be of type JsonElement, Reader, or String)
4. Interface List
5. JLS - Arrays
6. JLS - Generic Interfaces

i have solve this problem several times using the same steps :

1- Close Eclipse.

2- Restart your phone.

3- End adb.exe process in Task Manager (Windows). In Mac, force close in Activity Monitor.

4- Issue kill and start command in \platform-tools\

C:\sdk\platform-tools>adb kill-server

C:\sdk\platform-tools>adb start-server

5- If it says something like 'started successfully', you are good.

but now it's doesn't work cause i have an anti-virus called "Baidu", this program have run "Baidu ADB server", finally i turn this process off and retry above steps it's work properly.

I have used both JXL (now "JExcel") and Apache POI. At first I used JXL, but now I use Apache POI.

First, here are the things where both APIs have the same end functionality:

• Both are free
• Cell styling: alignment, backgrounds (colors and patterns), borders (types and colors), font support (font names, colors, size, bold, italic, strikeout, underline)
• Formulas
• Hyperlinks
• Merged cell regions
• Size of rows and columns
• Data formatting: Numbers and Dates
• Text wrapping within cells
• Freeze Panes
• Header/Footer support
• Read/Write existing and new spreadsheets
• Both attempt to keep existing objects in spreadsheets they read in intact as far as possible.

However, there are many differences:

• Perhaps the most significant difference is that Java JXL does not support the Excel 2007+ ".xlsx" format; it only supports the old BIFF (binary) ".xls" format. Apache POI supports both with a common design.
• Additionally, the Java portion of the JXL API was last updated in 2009 (3 years, 4 months ago as I write this), although it looks like there is a C# API. Apache POI is actively maintained.
• JXL doesn't support Conditional Formatting, Apache POI does, although this is not that significant, because you can conditionally format cells with your own code.
• JXL doesn't support rich text formatting, i.e. different formatting within a text string; Apache POI does support it.
• JXL only supports certain text rotations: horizontal/vertical, +/- 45 degrees, and stacked; Apache POI supports any integer number of degrees plus stacked.
• JXL doesn't support drawing shapes; Apache POI does.
• JXL supports most Page Setup settings such as Landscape/Portrait, Margins, Paper size, and Zoom. Apache POI supports all of that plus Repeating Rows and Columns.
• JXL doesn't support Split Panes; Apache POI does.
• JXL doesn't support Chart creation or manipulation; that support isn't there yet in Apache POI, but an API is slowly starting to form.
• Apache POI has a more extensive set of documentation and examples available than JXL.

Additionally, POI contains not just the main "usermodel" API, but also an event-based API if all you want to do is read the spreadsheet content.

In conclusion, because of the better documentation, more features, active development, and Excel 2007+ format support, I use Apache POI.

I was trying to to the same, I found lots of information on reading .docx but much less on .doc; Anyway, I managed to read the text using the following:

import win32com.client

word = win32com.client.Dispatch("Word.Application")
word.visible = False
wb = word.Documents.Open("myfile.doc")
doc = word.ActiveDocument
print(doc.Range().Text)

$("#yourdropdownid option:selected").text(); // selected option text
$("#yourdropdownid").val(); // selected option value

"location of notepad file" > notepad Filename

C:\Users\Desktop\Anaconda> notepad myfile

works for me! :)

var regex = new RegExp("^[A-Za-z0-9? ,_-]+$");
            var key = String.fromCharCode(event.charCode ? event.which : event.charCode);
            if (!regex.test(key)) {
                event.preventDefault();
                return false;
            }

in the regExp [A-Za-z0-9?spaceHere,_-] there is a literal space after the question mark '?'. This matches space. Others like /^[-\w\s]+$/ and /^[a-z\d\-_\s]+$/i were not working for me.

the dictionary

d = {1:2, 3:4, 5:6, 7:8}

the subset of keys I'm interested in

l = (1,5)

answer

{key: d[key] for key in l}

Both Redirect::to() and Redirect::away() should work.

Difference

Redirect::to() does additional URL checks and generations. Those additional steps are done in Illuminate\Routing\UrlGenerator and do the following, if the passed URL is not a fully valid URL (even with protocol):

Determines if URL is secure
rawurlencode() the URL
trim() URL

src : https://medium.com/@zwacky/laravel-redirect-to-vs-redirect-away-dd875579951f

In case also setting the height of the html and the body to 100% makes everything messier for you as it did for me, the following worked for me:

height: calc(100vh - 33rem)

The - 33rem is the height of the elements coming after the one we want to take full height, i.e., 100vh. By subtracting the height, we will make sure there is no overflow and it will always be responsive (assuming we are working with rem instead of px).

I create wrapper for this case:

func addDefaultHeaders(fn http.HandlerFunc) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        w.Header().Set("Access-Control-Allow-Origin", "*")
        fn(w, r)
    }
}

There is no default database for user. There is default database for current session.

You can get it using DATABASE() function -

SELECT DATABASE();

And you can set it using USE statement -

USE database1;

You should set it manually - USE db_name, or in the connection string.

Both source and target should be specified. I recommend providing ant defaults, that way you do not need to specify source/target attribute for every javac task:

<property name="ant.build.javac.source" value="1.5"/>
<property name="ant.build.javac.target" value="1.5"/>

See Java cross-compiling notes for more information.

I have faced this problem many times. Try one of these steps it helped me a lot. Maybe it will also help you.

1. First of all check your file permissions.
2. To fix file permissions sudo chmod 755 -R your_project
3. Then chmod -R o+w your_project/storage to write file to storage folder.
4. php artisan cache:clear
   composer dump-autoload
5. php artisan key:generate
6. Then check server requirements as per the laravel requirement.
7. Many times you got this error because of the php version. Try changing your php version in cpanel.
8. Then configure your .htaccess file properly

Finally, Google released an official version of the pull-to-refresh library!

It is called SwipeRefreshLayout, inside the support library, and the documentation is here:

1. Add SwipeRefreshLayout as a parent of view which will be treated as a pull to refresh the layout. (I took ListView as an example, it can be any View like LinearLayout, ScrollView etc.)

   <android.support.v4.widget.SwipeRefreshLayout
       android:id="@+id/pullToRefresh"
       android:layout_width="match_parent"
       android:layout_height="wrap_content">
       <ListView
           android:id="@+id/listView"
           android:layout_width="match_parent"
           android:layout_height="match_parent"/>
   </android.support.v4.widget.SwipeRefreshLayout>
   

2. Add a listener to your class

   protected void onCreate(Bundle savedInstanceState) {
       final SwipeRefreshLayout pullToRefresh = findViewById(R.id.pullToRefresh);
       pullToRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
           @Override
           public void onRefresh() {
               refreshData(); // your code
               pullToRefresh.setRefreshing(false);
           }
       });
   }
   

You can also call pullToRefresh.setRefreshing(true/false); as per your requirement.

UPDATE

Android support libraries have been deprecated and have been replaced by AndroidX. The link to the new library can be found here.

Also, you need to add the following dependency to your project:

implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.0.0'

OR

You can go to Refactor>>Migrate to AndroidX and Android Studio will handle the dependencies for you.

as_json

You should use as_json method which converts ActiveRecord objects to Ruby Hashes despite its name

tasks_records = TaskStoreStatus.all
tasks_records = tasks_records.as_json

# You can now add new records and return the result as json by calling `to_json`

tasks_records << TaskStoreStatus.last.as_json
tasks_records << { :task_id => 10, :store_name => "Koramanagala", :store_region => "India" }
tasks_records.to_json

serializable_hash

You can also convert any ActiveRecord objects to a Hash with serializable_hash and you can convert any ActiveRecord results to an Array with to_a, so for your example :

tasks_records = TaskStoreStatus.all
tasks_records.to_a.map(&:serializable_hash)

And if you want an ugly solution for Rails prior to v2.3

JSON.parse(tasks_records.to_json) # please don't do it

Visit https://play.golang.org/p/dx6PTtuBXQW

package main

import (
    "fmt"
    "sort"
)

func main() {
    mapEg := map[string]string{"c":"a","a":"c","b":"b"}
    keys := make([]string, 0, len(mapEg))
    for k := range mapEg {
        keys = append(keys, k)
    }
    sort.Strings(keys)
    fmt.Println(keys)
}

You should be using the json module. json.dumps(string). It can also serialize other python data types.

import json

>>> s = 'my string with "double quotes" blablabla'

>>> json.dumps(s)
<<< '"my string with \\"double quotes\\" blablabla"'

You should assign an array of char pointers, and then, for each pointer assign enough memory for the string:

char **orderedIds;

orderedIds = malloc(variableNumberOfElements * sizeof(char*));
for (int i = 0; i < variableNumberOfElements; i++)
    orderedIds[i] = malloc((ID_LEN+1) * sizeof(char)); // yeah, I know sizeof(char) is 1, but to make it clear...

Seems like a good way to me. Although you perform many mallocs, you clearly assign memory for a specific string, and you can free one block of memory without freeing the whole "string array"

Another way (which avoids extended switch-case statements) is to define arrays of file extensions for similar processing and use a function to check the extension result against an array (with comments):

// Define valid file extension arrays (according to your needs)
var _docExts = ["pdf", "doc", "docx", "odt"];
var _imgExts = ["jpg", "jpeg", "png", "gif", "ico"];
// Checks whether an extension is included in the array
function isExtension(ext, extnArray) {
    var result = false;
    var i;
    if (ext) {
        ext = ext.toLowerCase();
        for (i = 0; i < extnArray.length; i++) {
            if (extnArray[i].toLowerCase() === ext) {
                result = true;
                break;
            }
        }
    }
    return result;
}
// Test file name and extension
var testFileName = "example-filename.jpeg";
// Get the extension from the filename
var extn = testFileName.split('.').pop();
// boolean check if extensions are in parameter array
var isDoc = isExtension(extn, _docExts);
var isImg = isExtension(extn, _imgExts);
console.log("==> isDoc: " + isDoc + " => isImg: " + isImg);
// Process according to result: if(isDoc) { // .. etc }

I use this: if you declare var x = 0; before the functions declarations, the variable works for all the code files, but the variable will be declare every time that you edit a cell in the spreadsheet

#include <cstdio>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>

std::string exec(const char* cmd) {
    std::array<char, 128> buffer;
    std::string result;
    std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
    if (!pipe) {
        throw std::runtime_error("popen() failed!");
    }
    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
        result += buffer.data();
    }
    return result;
}

Pre-C++11 version:

#include <iostream>
#include <stdexcept>
#include <stdio.h>
#include <string>

std::string exec(const char* cmd) {
    char buffer[128];
    std::string result = "";
    FILE* pipe = popen(cmd, "r");
    if (!pipe) throw std::runtime_error("popen() failed!");
    try {
        while (fgets(buffer, sizeof buffer, pipe) != NULL) {
            result += buffer;
        }
    } catch (...) {
        pclose(pipe);
        throw;
    }
    pclose(pipe);
    return result;
}

Replace popen and pclose with _popen and _pclose for Windows.

The tabularx package gives you

1. the total width as a first parameter, and
2. a new column type X, all X columns will grow to fill up the total width.

For your example:

\usepackage{tabularx}
% ...    
\begin{document}
% ...

\begin{tabularx}{\textwidth}{|X|X|X|}
\hline
Input & Output& Action return \\
\hline
\hline
DNF &  simulation & jsp\\
\hline
\end{tabularx}

This is the simplest way to do it.

let total = parseInt(('100,000.00'.replace(',',''))) + parseInt(('500,000.00'.replace(',','')))

VirtualBox is a virtualizer, not an emulator. (The name kinda gives it away.) I.e. it can only virtualize a CPU that is actually there, not emulate one that isn't. In particular, VirtualBox can only virtualize x86 and AMD64 CPUs. iOS only runs on ARM CPUs.

list = new List<ProcedureTime>(); sortedList = list.OrderByDescending(ProcedureTime=> ProcedureTime.EndTime).ToList();

Which works for me to show the time sorted in descending order.

setInterval(function() {
    updatechat();
}, 2000);

function updatechat() {
    alert('hello world');
}

I know this question is old, but for the one's what are new, here is what you can do:

HTML

<img id="demo" src="myImage.png">

<button onclick="myFunction()">Click Me!</button>

JAVASCRIPT

function myFunction() {
document.getElementById('demo').src = "myImage.png";
}

Apparently the question poorly describes the OP's problem, but this question is the top search result for dragging to reorder table rows, so that is what I will answer. I wasn't interested in bringing in jQuery UI for something so simple, so here is a jQuery only solution:

$(".grab").mousedown(function(e) {
  var tr = $(e.target).closest("TR"),
    si = tr.index(),
    sy = e.pageY,
    b = $(document.body),
    drag;
  if (si == 0) return;
  b.addClass("grabCursor").css("userSelect", "none");
  tr.addClass("grabbed");

  function move(e) {
    if (!drag && Math.abs(e.pageY - sy) < 10) return;
    drag = true;
    tr.siblings().each(function() {
      var s = $(this),
        i = s.index(),
        y = s.offset().top;
      if (i > 0 && e.pageY >= y && e.pageY < y + s.outerHeight()) {
        if (i < tr.index())
          tr.insertAfter(s);
        else
          tr.insertBefore(s);
        return false;
      }
    });
  }

  function up(e) {
    if (drag && si != tr.index()) {
      drag = false;
      alert("moved!");
    }
    $(document).unbind("mousemove", move).unbind("mouseup", up);
    b.removeClass("grabCursor").css("userSelect", "none");
    tr.removeClass("grabbed");
  }
  $(document).mousemove(move).mouseup(up);
});

.grab {
  cursor: grab;
}

.grabbed {
  box-shadow: 0 0 13px #000;
}

.grabCursor,
.grabCursor * {
  cursor: grabbing !important;
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table>
  <tr>
    <th></th>
    <th>Table Header</th>
  </tr>
  <tr>
    <td class="grab">&#9776;</td>
    <td>Table Cell 1</td>
  </tr>
  <tr>
    <td class="grab">&#9776;</td>
    <td>Table Cell 2</td>
  </tr>
  <tr>
    <td class="grab">&#9776;</td>
    <td>Table Cell 3</td>
  </tr>
</table>

Note si == 0 and i > 0 ignores the first row, which for me contains TH tags. Replace the alert with your "drag finished" logic.

case 1-->9 8 7 6 5 4 3 2 1
case 2--> 50 10 8 25 ........
case 3--> 50 50 10 8 25.........
case 4--> 50 50 10 8 50 25.......

public void second element()  
{
      int a[10],i,max1,max2;  
      max1=a[0],max2=a[1];  
      for(i=1;i<a.length();i++)  
      {  
         if(a[i]>max1)  
          {
             max2=max1;  
             max1=a[i];  
          }  
         else if(a[i]>max2 &&a[i]!=max1)  
           max2=a[i];  
         else if(max1==max2)  
           max2=a[i];  
      }  
}

Using str()

 typeOfOneAsString=str(type(1))

I use this in my code in a custom class. Comes in handy for sending out emails like [email protected] "no-reply@" + BaseSiteUrl Works fine on any site.

// get a sites base urll ex: example.com
public static string BaseSiteUrl
{
    get
    {
        HttpContext context = HttpContext.Current;
        string baseUrl = context.Request.Url.Authority + context.Request.ApplicationPath.TrimEnd('/');
        return baseUrl;
    }

}

If you want to use it in codebehind get rid of context.

Lets say above one is your original dataframe and you want to add a new column 'old'

If age greater than 50 then we consider as older=yes otherwise False

step 1: Get the indexes of rows whose age greater than 50

row_indexes=df[df['age']>=50].index

step 2: Using .loc we can assign a new value to column

df.loc[row_indexes,'elderly']="yes"

same for age below less than 50

row_indexes=df[df['age']<50].index

df[row_indexes,'elderly']="no"

moment.utc(date).format(...); 

is the way to go, since

moment().utc(date).format(...);

does behave weird...

I wanted to add a method which I think was simplest of all.

1. Simply right click the pfx file, click "Install" follow the wizard, and add it to a store (I added to the Personal store).

2. In start menu type certmgr.msc and go to CertManager program.

3. Find your pfx certificate (tabs at top are the various stores), click the export button and follow the wizard (there is an option to export as .CER)

Essentially it does the same thing as Andrew's answer, but it avoids using Windows Management Console (goes straight to the import/export).

If the question is how to easily use Eclipse with multiple different workspaces, then you have to use a kludge because shortcuts in OS X do not provide a mechanism for passing command line arguments, for example the "--data" argument that Eclipse takes to specify the workspace. While there may be different reasons to create a duplicate copy of your Eclipse install, doing it for this purpose is, IMNSHO, lame (now you have to maintain multiple eclipse configurations, plugins, etc?).

In any case, here is a workaround. Create the following script in the (single) Eclipse directory (the directory that contains Eclipse.app), and give it a ".command" suffix (e.g. eclipse-workspace2.command) so that you can create an alias from it:

#!/bin/sh
# open, as suggested by Milhous
open -n $(dirname $0)/Eclipse.app --args -data /path/to/your/other/workspace

Now create an alias to that file on your desktop or wherever you want it. You will probably have to repeat this process for each different workspace, but at least it will use the same Eclipse installation.

If you got nothing when inputted fastboot devices, it meaned you devices fail to enter fastboot model. Make sure that you enter fastboot model via press these three button simultaneously, power key, volume key(both '+' and '-'). Then you can see you devices via fastboot devices and continue to flash your devices.

note:I entered fastboot model only pressed 'power key' and '-' key before, and present the same problem.

Correct way described in this answer: https://stackoverflow.com/a/52772444/2519714 Most popular answer at current moment is not totally correct.

This way https://stackoverflow.com/a/24838367/2519714 is not correct in some cases like: sub select has where bindings, then joining table to sub select, then other wheres added to all query. For example query: select * from (select * from t1 where col1 = ?) join t2 on col1 = col2 and col3 = ? where t2.col4 = ? To make this query you will write code like:

$subQuery = DB::query()->from('t1')->where('t1.col1', 'val1');
$query = DB::query()->from(DB::raw('('. $subQuery->toSql() . ') AS subquery'))
    ->mergeBindings($subQuery->getBindings());
$query->join('t2', function(JoinClause $join) {
    $join->on('subquery.col1', 't2.col2');
    $join->where('t2.col3', 'val3');
})->where('t2.col4', 'val4');

During executing this query, his method $query->getBindings() will return bindings in incorrect order like ['val3', 'val1', 'val4'] in this case instead correct ['val1', 'val3', 'val4'] for raw sql described above.

One more time correct way to do this:

$subQuery = DB::query()->from('t1')->where('t1.col1', 'val1');
$query = DB::query()->fromSub($subQuery, 'subquery');
$query->join('t2', function(JoinClause $join) {
    $join->on('subquery.col1', 't2.col2');
    $join->where('t2.col3', 'val3');
})->where('t2.col4', 'val4');

Also bindings will be automatically and correctly merged to new query.

Unfortunately the only way I could resolve my problem is to root the device.

Here is a good tutorial for Nexus S:

http://nexusshacks.com/nexus-s-root/how-to-root-nexus-s-or-nexus-s-4g-on-ics-or-gingerbread/

Don't define variables in headers. Put declarations in header and definitions in one of the .c files.

In config.h

extern const char *names[];

In some .c file:

const char *names[] =
    {
        "brian", "stefan", "steve"
    };

If you put a definition of a global variable in a header file, then this definition will go to every .c file that includes this header, and you will get multiple definition error because a varible may be declared multiple times but can be defined only once.

git add .
git reset

git add . will stage ALL the files telling git that you have resolved the conflict

git reset will unstage ALL the staged files without creating a commit

Try df['quantity'] = df['quantity'] * -1.

Change the default block from "Code" to "Markdown" before running this code:

![<caption>](image_filename.png)

If image file is in another folder, you can do the following:

![<caption>](folder/image_filename.png)

I think what you want to do is

<link rel="stylesheet" type="text/css" href="font/font-face/my-font-face.css">

For example, I used in a Firefox console:

[].forEach.call(document.getElementsByTagName('pre'), function(e){ 
   console.log(e);
})

You can use querySelectorAll to get same result

document.querySelectorAll('pre').forEach( (e) => { 
   console.log(e.textContent);
})

<pre>text 1</pre>
<pre>text 2</pre>
<pre>text 3</pre>

let a = $("<a>bfCaptchaEntry</a>");
a.attr("onClick", "function(" + someParameter+ ")");

Add display: block; or display: inline-block; to your #User_Apps_Content .DLD_App a

demo

I have also tried this combination within both the single quotes and double quotes. But none has worked. Instead of using \n better use <br/> in the double quotes. Like this..

$variable = "and";
echo "part 1 $variable part 2<br/>";
echo "part 1 ".$variable." part 2";

ExecuteNonQuery():

1. will work with Action Queries only (Create,Alter,Drop,Insert,Update,Delete).
2. Returns the count of rows effected by the Query.
3. Return type is int
4. Return value is optional and can be assigned to an integer variable.

ExecuteReader():

1. will work with Action and Non-Action Queries (Select)
2. Returns the collection of rows selected by the Query.
3. Return type is DataReader.
4. Return value is compulsory and should be assigned to an another object DataReader.

ExecuteScalar():

1. will work with Non-Action Queries that contain aggregate functions.
2. Return the first row and first column value of the query result.
3. Return type is object.
4. Return value is compulsory and should be assigned to a variable of required type.

Reference URL:

http://nareshkamuni.blogspot.in/2012/05/what-is-difference-between.html

use the following command to know the pid of the node already running.

curl -XGET 'http://localhost:9200/_nodes/process'

It took me an hour to find out the way to kill the node and could finally do it after using this command in the terminal window.

In Visual Basic, it should be:

Public Enum Question
    Role = 2
    ProjectFunding = 3
    TotalEmployee = 4
    NumberOfServers = 5
    TopBusinessConcern = 6
End Enum

Private value As Integer = CInt(Question.Role)

Using Concat on the group by will work

SELECT clients.id, clients.name, portfolios.id, SUM ( portfolios.portfolio + portfolios.cash ) AS total
FROM clients, portfolios
WHERE clients.id = portfolios.client_id
GROUP BY CONCAT(portfolios.id, "-", clients.id)
ORDER BY total DESC
LIMIT 30

$('#saveBtn').off('click').click(function(){saveQuestion(id)});

COMMON PROBLEMS:

1) There should be NO output (i.e. echo... or HTML parts) before the header(...); command.

2) After header(...); you must use exit();

3) Remove any white-space(or newline) before <?php and after ?> tags.

4) Check that php file (and also other .php files, that are included) - they should have UTF8 without BOM encoding (and not just UTF-8). Because default UTF8 adds invisible character in the start of file (called "BOM"), so you should avoid that !!!!!!!!!!!

5) Use 301 or 302 reference:

header("location: http://example.com",  true,  301 );  exit;

6) Turn on error reporting. And tell the error.

7) If none of above helps, use JAVASCRIPT redirection (however, discouraged method), may be the last chance in custom cases...:

echo "<script type='text/javascript'>window.top.location='http://website.com/';</script>"; exit;

${string:position:length}

I would recommend at least Eclipse Indigo (v 3.7) for Android Development because even though a minimum of Helios (v 3.6) is required for ADT 22.0.1 as explained here...

http://developer.android.com/tools/sdk/eclipse-adt.html

... Indigo is required for Android NDK development using CDT, as explained here:

http://tools.android.com/recent/usingthendkplugin

Simple pass Intent first:

Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);

And you will get picture path on your onActivityResult:

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
            Uri selectedImage = data.getData();
            String[] filePathColumn = { MediaStore.Images.Media.DATA };
            Cursor cursor = getContentResolver().query(selectedImage,filePathColumn, null, null, null);
            cursor.moveToFirst();
            int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
            String picturePath = cursor.getString(columnIndex);
            cursor.close();
            ImageView imageView = (ImageView) findViewById(R.id.imgView);
            imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));
        }
    }

for full source code here

That agony has been solved for me. I found out that what was taking over port 80 is http api service. I wrote in cmd:

net stop http

Asked me "The following services will be stopped, do you want to continue?" Pressed y

It stopped a number of services actually.

Then wrote localhost and wallah, Apache is up and running on port 80.
Hope this helps

Important: Skype uses port 80 by default, you can change this in skype options > advanced > connection - and uncheck "use port 80"

This is an old posting but maybe still useful for someone.

I had the same error message. In the end the problem was an invalid name for the second argument, i.e., I had a line like:

   window.open('/somefile.html', 'a window title', 'width=300');

The problem was 'a window title' as it is not valid. It worked fine with the following line:

   window.open('/somefile.html', '', 'width=300');

In fact, reading carefully I realized that Microsoft does not support a name as second argument. When you look at the official documentation page, you see that Microsoft only allows the following arguments, If using that argument at all:

• _blank
• _media
• _parent
• _search
• _self
• _top

You are correct. You can't do new E(). But you can change it to

private static class SomeContainer<E> {
    E createContents(Class<E> clazz) {
        return clazz.newInstance();
    }
}

It's a pain. But it works. Wrapping it in the factory pattern makes it a little more tolerable.

when is marginLeft being used:

$("div").css({
    marginLeft:'12px',
    backgroundPosition:'10px -10px',
    minHeight: '40px'
});

As you can see, attributes that has a hyphen on it are converted to camelcased format. Using the margin-left from the previous code block above would make JavaScript bonkers because it will treat the hyphen as an operation for subtraction.

when is margin-left used:

$("div").css("margin-left","12px").css("background-position","10px -10px").css("min-height","40px");

Theoretically, both code blocks will do the same thing. We can allow hyphens on the second block because it is a string value while compared to the first block, it is somewhat an object.
Now that should make sense.

lsof -i tcp:port_number - will list the process running on that port

kill -9 PID - will kill the process

in your case, it will be

lsof -i tcp:3000 from your terminal find the PID of process

kill -9 PID

I previously had this problem with my EC2 instance (I was serving couchdb to serve resources -- am considering Amazon's S3 for the future).

One thing to check (assuming Ec2) is that the couchdb port is added to your open ports within your security policy.

I specifically encountered

"[Errno 111] Connection refused"

over EC2 when the instance was stopped and started. The problem seems to be a pidfile race. The solution for me was killing couchdb (entirely and properly) via:

pkill -f couchdb

and then restarting with:

/etc/init.d/couchdb restart

If I understand correctly you want to change the CSS style of an element by clicking an item in a ul list. Am I right?

HTML:

<div class="results" style="background-color:Red;">
</div>

 <ul class="colors-list">
     <li>Red</li>
     <li>Blue</li>
     <li>#ffee99</li>
 </ul>

jquery

$('.colors-list li').click(function(e){
    var color = $(this).text();
    $('.results').css('background-color',color);
});

Note that jquery can use addClass, removeClass and toggleClass if you want to use classes rather than inline styling. This means that you can do something like that:

$('.results').addClass('selected');

And define the 'selected' styling in the CSS.

Working example: http://jsfiddle.net/uuJmP/

As an alternative, I would suggest looking at your conda config file.

Reason

Sometimes for creating a virtual env at a specified location other than the pre-defined path at ~/anaconda3/envs we append the conda config file using: conda config --append envs_dirs /path/to/envs where envs_dirs is a specified function in config file for allocating different paths where conda can find your virtual envs. Removing a recently added path in this config file may solve the problem.

Solution

$:> conda config --show envs_dirs

    envs_dirs:
    - /home/some_recent_path    # remove this
    - /home/.../anaconda3/envs

Note the value specifing a different directory other than the predefined location, and remove it using

$:> conda config --remove envs_dirs /home/some_recent_path

Now the config file envs_dirs is set to default location of envs. Try creating a new env now.

Ozi, when you create a new datetime object as in datetime foo = new datetime(); foo is constructed with the time datetime.minvalue() in building a parameterized query, you could check to see if the values entered are equal to datetime.minvalue()

-Just a side thought. seems you have things working.

If you can run javascript, which seems like you can, create a new iframe, and post to that iframe instead. You can do <form target="iframe-id" ...> That way all the redirects happen in the iframe and you still have control of the page.

The other solution is to also do a post via ajax. But that's a little more tricky if the page needs to error check or something.

Here is an example:

$("<iframe id='test' />").appendTo(document.body);
$("form").attr("target", "test");

The BASE acronym was defined by Eric Brewer, who is also known for formulating the CAP theorem.

The CAP theorem states that a distributed computer system cannot guarantee all of the following three properties at the same time:

• Consistency
• Availability
• Partition tolerance

A BASE system gives up on consistency.

• Basically available indicates that the system does guarantee availability, in terms of the CAP theorem.
• Soft state indicates that the state of the system may change over time, even without input. This is because of the eventual consistency model.
• Eventual consistency indicates that the system will become consistent over time, given that the system doesn't receive input during that time.

Brewer does admit that the acronym is contrived:

I came up with [the BASE] acronym with my students in their office earlier that year. I agree it is contrived a bit, but so is "ACID" -- much more than people realize, so we figured it was good enough.

You should not use ftp. Like telnet it is not using secure protocols, and passwords are transmitted in clear text. This makes it very easy for third parties to capture your username and password.

To copy remote directories remotely, these options are better:

• rsync is the best-suited tool if you can login via ssh, because it copies only the differences, and can easily restart in the middle in case the connection breaks.

• ssh -r is the second-best option to recursively copy directory structures.

See:

• rsync man page

• ssh man page

Use the isin method:

rpt[rpt['STK_ID'].isin(stk_list)]

\includegraphics{myfig.pdf}

After jQuery 1.6, using promise seems like a better option.

var $div1 = $('#div1');
var fadeOutDone = $div1.fadeOut().promise();
// do your logic here, e.g.fetch your 2nd image url
$.get('secondimageinfo.json').done(function(data){
  fadeoOutDone.then(function(){
    $div1.html('<img src="' + data.secondImgUrl + '" alt="'data.secondImgAlt'">');
    $div1.fadeIn();
  });
});

Rather than re-explaining, I will link to this rather extensive & highly rated question/answer:

Vertically align text to top within a UILabel

The short answer is no, Apple didn't make this easy, but it is possible by changing the frame size.

I did it in Android using Calendar and SimpleDateFormat. The following method returns a Calendar with the "GMT" TimeZone (This is the universal time zone). Then you can use the Calendar class to set the hour between differents time zones, using the method setTimeZone() of the Calendar class.

private static final String GMT = "GMT";
private static final String DATE_FORMAT_ISO = "yyyyMMdd'T'HHmmss";

public static Calendar isoToCalendar(final String inputDate) {
    Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone(GMT));
    try {
        SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT_ISO, Locale.US);
        dateFormat.setTimeZone(TimeZone.getTimeZone(GMT));
        Date date = dateFormat.parse(inputDate);
        calendar.setTime(date);
    } catch (ParseException e) {
        Log.e("TAG",e.getMessage());
    }
    return calendar;
}

REMEMBER: The Date class doesn't know about the TimeZone existence. By this reason, if you debug one date,you always see the date for your current timezone.

Based on the answer by Fred-II I wanted to share my take on the getOS function, it avoids globals, merges both lists and detects the architecture (x32/x64)

/**
 * @param $user_agent null
 * @return string
 */
function getOS($user_agent = null)
{
    if(!isset($user_agent) && isset($_SERVER['HTTP_USER_AGENT'])) {
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
    }

    // https://stackoverflow.com/questions/18070154/get-operating-system-info-with-php
    $os_array = [
        'windows nt 10'                              =>  'Windows 10',
        'windows nt 6.3'                             =>  'Windows 8.1',
        'windows nt 6.2'                             =>  'Windows 8',
        'windows nt 6.1|windows nt 7.0'              =>  'Windows 7',
        'windows nt 6.0'                             =>  'Windows Vista',
        'windows nt 5.2'                             =>  'Windows Server 2003/XP x64',
        'windows nt 5.1'                             =>  'Windows XP',
        'windows xp'                                 =>  'Windows XP',
        'windows nt 5.0|windows nt5.1|windows 2000'  =>  'Windows 2000',
        'windows me'                                 =>  'Windows ME',
        'windows nt 4.0|winnt4.0'                    =>  'Windows NT',
        'windows ce'                                 =>  'Windows CE',
        'windows 98|win98'                           =>  'Windows 98',
        'windows 95|win95'                           =>  'Windows 95',
        'win16'                                      =>  'Windows 3.11',
        'mac os x 10.1[^0-9]'                        =>  'Mac OS X Puma',
        'macintosh|mac os x'                         =>  'Mac OS X',
        'mac_powerpc'                                =>  'Mac OS 9',
        'linux'                                      =>  'Linux',
        'ubuntu'                                     =>  'Linux - Ubuntu',
        'iphone'                                     =>  'iPhone',
        'ipod'                                       =>  'iPod',
        'ipad'                                       =>  'iPad',
        'android'                                    =>  'Android',
        'blackberry'                                 =>  'BlackBerry',
        'webos'                                      =>  'Mobile',

        '(media center pc).([0-9]{1,2}\.[0-9]{1,2})'=>'Windows Media Center',
        '(win)([0-9]{1,2}\.[0-9x]{1,2})'=>'Windows',
        '(win)([0-9]{2})'=>'Windows',
        '(windows)([0-9x]{2})'=>'Windows',

        // Doesn't seem like these are necessary...not totally sure though..
        //'(winnt)([0-9]{1,2}\.[0-9]{1,2}){0,1}'=>'Windows NT',
        //'(windows nt)(([0-9]{1,2}\.[0-9]{1,2}){0,1})'=>'Windows NT', // fix by bg

        'Win 9x 4.90'=>'Windows ME',
        '(windows)([0-9]{1,2}\.[0-9]{1,2})'=>'Windows',
        'win32'=>'Windows',
        '(java)([0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,2})'=>'Java',
        '(Solaris)([0-9]{1,2}\.[0-9x]{1,2}){0,1}'=>'Solaris',
        'dos x86'=>'DOS',
        'Mac OS X'=>'Mac OS X',
        'Mac_PowerPC'=>'Macintosh PowerPC',
        '(mac|Macintosh)'=>'Mac OS',
        '(sunos)([0-9]{1,2}\.[0-9]{1,2}){0,1}'=>'SunOS',
        '(beos)([0-9]{1,2}\.[0-9]{1,2}){0,1}'=>'BeOS',
        '(risc os)([0-9]{1,2}\.[0-9]{1,2})'=>'RISC OS',
        'unix'=>'Unix',
        'os/2'=>'OS/2',
        'freebsd'=>'FreeBSD',
        'openbsd'=>'OpenBSD',
        'netbsd'=>'NetBSD',
        'irix'=>'IRIX',
        'plan9'=>'Plan9',
        'osf'=>'OSF',
        'aix'=>'AIX',
        'GNU Hurd'=>'GNU Hurd',
        '(fedora)'=>'Linux - Fedora',
        '(kubuntu)'=>'Linux - Kubuntu',
        '(ubuntu)'=>'Linux - Ubuntu',
        '(debian)'=>'Linux - Debian',
        '(CentOS)'=>'Linux - CentOS',
        '(Mandriva).([0-9]{1,3}(\.[0-9]{1,3})?(\.[0-9]{1,3})?)'=>'Linux - Mandriva',
        '(SUSE).([0-9]{1,3}(\.[0-9]{1,3})?(\.[0-9]{1,3})?)'=>'Linux - SUSE',
        '(Dropline)'=>'Linux - Slackware (Dropline GNOME)',
        '(ASPLinux)'=>'Linux - ASPLinux',
        '(Red Hat)'=>'Linux - Red Hat',
        // Loads of Linux machines will be detected as unix.
        // Actually, all of the linux machines I've checked have the 'X11' in the User Agent.
        //'X11'=>'Unix',
        '(linux)'=>'Linux',
        '(amigaos)([0-9]{1,2}\.[0-9]{1,2})'=>'AmigaOS',
        'amiga-aweb'=>'AmigaOS',
        'amiga'=>'Amiga',
        'AvantGo'=>'PalmOS',
        //'(Linux)([0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,3}(rel\.[0-9]{1,2}){0,1}-([0-9]{1,2}) i([0-9]{1})86){1}'=>'Linux',
        //'(Linux)([0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,3}(rel\.[0-9]{1,2}){0,1} i([0-9]{1}86)){1}'=>'Linux',
        //'(Linux)([0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,3}(rel\.[0-9]{1,2}){0,1})'=>'Linux',
        '[0-9]{1,2}\.[0-9]{1,2}\.[0-9]{1,3}'=>'Linux',
        '(webtv)/([0-9]{1,2}\.[0-9]{1,2})'=>'WebTV',
        'Dreamcast'=>'Dreamcast OS',
        'GetRight'=>'Windows',
        'go!zilla'=>'Windows',
        'gozilla'=>'Windows',
        'gulliver'=>'Windows',
        'ia archiver'=>'Windows',
        'NetPositive'=>'Windows',
        'mass downloader'=>'Windows',
        'microsoft'=>'Windows',
        'offline explorer'=>'Windows',
        'teleport'=>'Windows',
        'web downloader'=>'Windows',
        'webcapture'=>'Windows',
        'webcollage'=>'Windows',
        'webcopier'=>'Windows',
        'webstripper'=>'Windows',
        'webzip'=>'Windows',
        'wget'=>'Windows',
        'Java'=>'Unknown',
        'flashget'=>'Windows',

        // delete next line if the script show not the right OS
        //'(PHP)/([0-9]{1,2}.[0-9]{1,2})'=>'PHP',
        'MS FrontPage'=>'Windows',
        '(msproxy)/([0-9]{1,2}.[0-9]{1,2})'=>'Windows',
        '(msie)([0-9]{1,2}.[0-9]{1,2})'=>'Windows',
        'libwww-perl'=>'Unix',
        'UP.Browser'=>'Windows CE',
        'NetAnts'=>'Windows',
    ];

    // https://github.com/ahmad-sa3d/php-useragent/blob/master/core/user_agent.php
    $arch_regex = '/\b(x86_64|x86-64|Win64|WOW64|x64|ia64|amd64|ppc64|sparc64|IRIX64)\b/ix';
    $arch = preg_match($arch_regex, $user_agent) ? '64' : '32';

    foreach ($os_array as $regex => $value) {
        if (preg_match('{\b('.$regex.')\b}i', $user_agent)) {
            return $value.' x'.$arch;
        }
    }

    return 'Unknown';
}

Just use the build-in feature of Angular CLI

ng update

to update to the latest version.

Uninstalling all C++ redistributables and unchecking the C++ option worked for me. Note that I have VS2010 SP1, and VS2012 installed already.

JChronic is your best choice. Here's an example that adds a .fromString() method to the Date class that parses just about anything you can throw at it:

Date.metaClass.'static'.fromString = { str ->
    com.mdimension.jchronic.Chronic.parse(str).beginCalendar.time
}

You can call it like this:

println Date.fromString("Tue Aug 10 16:02:43 PST 2010")
println Date.fromString("july 1, 2012")
println Date.fromString("next tuesday")

:last-child will not work if the element is not the VERY LAST element

In addition to Harry's answer, I think it's crucial to add/emphasize that :last-child will not work if the element is not the VERY LAST element in a container. For whatever reason it took me hours to realize that, and even though Harry's answer is very thorough I couldn't extract that information from "The last-child selector is used to select the last child element of a parent."

Suppose this is my selector: a:last-child {}

This works:

<div>
    <a></a>
    <a>This will be selected</a>
</div>

This doesn't:

<div>
    <a></a>
    <a>This will no longer be selected</a>
    <div>This is now the last child :'( </div>
</div>

It doesn't because the a element is not the last element inside its parent.

It may be obvious, but it was not for me...

Kind of beating a dead horse now but, I want to clarify one thing that may not be quite so obvious. Yes indeed you need to edit the PATH environment variable as already stated many times. The key for me was to edit the PATH under SYSTEM variables. I had inadvertently edited the PATH under USER variables. Why did this matter? On my machine I have to log in as an Administrator to edit environment variables. So editing the User variables was not helping because I run the command prompt under my login (non-admin) account. Grrr!

Also, I found that closing the command prompt window, and re-opening it after the PATH variable update was required. Changing the order of the values, adding semi-colons, etc. didn't make a difference for me.

Cheers

Assuming you start with variables:

int i=12;
int j=12;

This will give output 1212:

System.out.print(i+""+j); 

And this will give output 24:

System.out.print(i+j);

Why must it work?

The JLS 5, Section 15.18.1.1 JLS 8 § 15.18.1 "String Concatenation Operator +", leading to JLS 8, § 5.1.11 "String Conversion", requires this operation to succeed without failure:

...Now only reference values need to be considered. If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l). Otherwise, the conversion is performed as if by an invocation of the toString method of the referenced object with no arguments; but if the result of invoking the toString method is null, then the string "null" is used instead.

How does it work?

Let's look at the bytecode! The compiler takes your code:

String s = null;
s = s + "hello";
System.out.println(s); // prints "nullhello"

and compiles it into bytecode as if you had instead written this:

String s = null;
s = new StringBuilder(String.valueOf(s)).append("hello").toString();
System.out.println(s); // prints "nullhello"

(You can do so yourself by using javap -c)

The append methods of StringBuilder all handle null just fine. In this case because null is the first argument, String.valueOf() is invoked instead since StringBuilder does not have a constructor that takes any arbitrary reference type.

If you were to have done s = "hello" + s instead, the equivalent code would be:

s = new StringBuilder("hello").append(s).toString();

where in this case the append method takes the null and then delegates it to String.valueOf().

Note: String concatenation is actually one of the rare places where the compiler gets to decide which optimization(s) to perform. As such, the "exact equivalent" code may differ from compiler to compiler. This optimization is allowed by JLS, Section 15.18.1.2:

To increase the performance of repeated string concatenation, a Java compiler may use the StringBuffer class or a similar technique to reduce the number of intermediate String objects that are created by evaluation of an expression.

The compiler I used to determine the "equivalent code" above was Eclipse's compiler, ecj.

In order to see the installed compiler version of VC#:

Open Visual Studio command prompt and just type csc then press Enter.

You will see something like following:

Microsoft (R) Visual C# Compiler version 4.0.30319.34209

for Microsoft (R) .NET Framework 4.5

Copyright (C) Microsoft Corporation. All rights reserved.

P.S.: "CSC" stand for "C Sharp Compiler". Actually using this command you run csc.exe which is an executable file which is located in "c:\Windows\Microsoft.NET\Framework\vX.X.XXX". For more information about CSC visit http://www.file.net/process/csc.exe.html

DELETE FROM deadline where ID IN (
    SELECT d.ID FROM `deadline` d LEFT JOIN `job` ON deadline.job_id = job.job_id WHERE `status` =  'szamlazva' OR `status` = 'szamlazhato' OR `status` = 'fizetve' OR `status` = 'szallitva' OR `status` = 'storno');

I am not sure if that kind of sub query works in MySQL, but try it. I am assuming you have an ID column in your deadline table.

Docker Compose does not support the deploy key. It's only respected when you use your version 3 YAML file in a Docker Stack.

This message is printed when you add the deploy key to you docker-compose.yml file and then run docker-compose up -d

WARNING: Some services (database) use the 'deploy' key, which will be ignored. Compose does not support 'deploy' configuration - use docker stack deploy to deploy to a swarm.

The documentation (https://docs.docker.com/compose/compose-file/#deploy) says:

Specify configuration related to the deployment and running of services. This only takes effect when deploying to a swarm with docker stack deploy, and is ignored by docker-compose up and docker-compose run.

I had a similar problem, what solved it was html_entity_decode.

My code is:

$content = file_get_contents("http://example.com/fr");
$x = new SimpleXMLElement($content);
foreach($x->channel->item as $entry) {
    $subEntry = html_entity_decode($entry->description);
}

In here I am retrieving an xml file (in French), that's why I'm using this $x object variable. And only then I decode it into this variable $subEntry.

I tried mb_convert_encoding but this didn't work for me.

Here i have written a logic try it :)

public class palindromeClass{

public  static String longestPalindromeString(String in) {
        char[] input = in.toCharArray();
        int longestPalindromeStart = 0;
        int longestPalindromeEnd = 0;

        for (int mid = 0; mid < input.length; mid++) {
            // for odd palindrome case like 14341, 3 will be the mid
            int left = mid-1;
            int right = mid+1;
            // we need to move in the left and right side by 1 place till they reach the end
            while (left >= 0 && right < input.length) {
                // below check to find out if its a palindrome
                if (input[left] == input[right]) {
                    // update global indexes only if this is the longest one till now
                    if (right - left > longestPalindromeEnd
                            - longestPalindromeStart) {
                        longestPalindromeStart = left;
                        longestPalindromeEnd = right;
                    }
                }
                else
                    break;
                left--;
                right++;
            }
            // for even palindrome, we need to have similar logic with mid size 2
            // for that we will start right from one extra place
            left = mid;
            right = mid + 1;// for example 12333321 when we choose 33 as mid
            while (left >= 0 && right < input.length)
            {
                if (input[left] == input[right]) {
                    if (right - left > longestPalindromeEnd
                            - longestPalindromeStart) {
                        longestPalindromeStart = left;
                        longestPalindromeEnd = right;
                    }
                }
                else
                    break;
                left--;
                right++;
            }


        }
        // we have the start and end indexes for longest palindrome now
        return in.substring(longestPalindromeStart, longestPalindromeEnd + 1);
    }
public static void main(String args[]){
System.out.println(longestPalindromeString("HYTBCABADEFGHABCDEDCBAGHTFYW12345678987654321ZWETYGDE"));
}

}

You need execute permission on your static files directory. Also they need to be chown'ed by your nginx user and group.

pip install pyqt5 for python3 for ubuntu

The problem is in your pubspec.yaml, here you need to delete the last comma.

uses-material-design: true,

Use Activity.getWindow() to get the window of your activity; use Window.addFlags() to add whichever of the following flags in WindowManager.LayoutParams that you desire:

• FLAG_DISMISS_KEYGUARD

• FLAG_SHOW_WHEN_LOCKED

• FLAG_TURN_SCREEN_ON

You can sub-class a UIButton named MyButton, and pass the parameter by MyButton's properties.

Then, get the parameter back from (id)sender.

Why all people want to use '==' instead of simple '=' ? It is bad habit! It used only in [[ ]] expression. And in (( )) too. But you may use just = too! It work well in any case. If you use numbers, not strings use not parcing to strings and then compare like strings but compare numbers. like that

let -i i=5 # garantee that i is nubmber
test $i -eq 5 && echo "$i is equal 5" || echo "$i not equal 5"

It's match better and quicker. I'm expert in C/C++, Java, JavaScript. But if I use bash i never use '==' instead '='. Why you do so?

Use -regex:

From the man page:

-regex pattern
       File name matches regular expression pattern.  This is a match on the whole path, not a search.  For example, to match a file named './fubar3',  you  can  use  the
       regular expression '.*bar.' or '.*b.*3', but not 'b.*r3'.

Also, I don't believe find supports regex extensions such as \d. You need to use [0-9].

find . -regex '.*test\.log\.[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\.zip'

• @PathVariable is to obtain some placeholder from the URI (Spring call it an URI Template) — see Spring Reference Chapter 16.3.2.2 URI Template Patterns
• @RequestParam is to obtain a parameter from the URI as well — see Spring Reference Chapter 16.3.3.3 Binding request parameters to method parameters with @RequestParam

If the URL http://localhost:8080/MyApp/user/1234/invoices?date=12-05-2013 gets the invoices for user 1234 on December 5th, 2013, the controller method would look like:

@RequestMapping(value="/user/{userId}/invoices", method = RequestMethod.GET)
public List<Invoice> listUsersInvoices(
            @PathVariable("userId") int user,
            @RequestParam(value = "date", required = false) Date dateOrNull) {
  ...
}

Also, request parameters can be optional, and as of Spring 4.3.3 path variables can be optional as well. Beware though, this might change the URL path hierarchy and introduce request mapping conflicts. For example, would /user/invoices provide the invoices for user null or details about a user with ID "invoices"?

In 12c, here's the new way:

select bla
  from bla
 where bla
 order by finaldate desc
 fetch first 1 rows only; 

How nice is that!

For strings containing   I've had to double-decode the string. First decode would turn it into the second pass would correctly decode it to the expected character.

There are people that will tell you that the Earth is round (or perhaps that the Earth is an oblate spheroid if they want to use strange words). They are lying.

There are people that will tell you that Regular Expressions shouldn't be recursive. They are limiting you. They need to subjugate you, and they do it by keeping you in ignorance.

You can live in their reality or take the red pill.

Like Lord Marshal (is he a relative of the Marshal .NET class?), I have seen the Underverse Stack Based Regex-Verse and returned with powers knowledge you can't imagine. Yes, I think there were an Old One or two protecting them, but they were watching football on the TV, so it wasn't difficult.

I think the XML case is quite simple. The RegEx (in the .NET syntax), deflated and coded in base64 to make it easier to comprehend by your feeble mind, should be something like this:
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The options to set is RegexOptions.ExplicitCapture. The capture group you are looking for is ELEMENTNAME. If the capture group ERROR is not empty then there was a parsing error and the Regex stopped.

If you have problems reconverting it to a human-readable regex, this should help:

static string FromBase64(string str)
{
    byte[] byteArray = Convert.FromBase64String(str);

    using (var msIn = new MemoryStream(byteArray))
    using (var msOut = new MemoryStream()) {
        using (var ds = new DeflateStream(msIn, CompressionMode.Decompress)) {
            ds.CopyTo(msOut);
        }

        return Encoding.UTF8.GetString(msOut.ToArray());
    }
}

If you are unsure, no, I'm NOT kidding (but perhaps I'm lying). It WILL work. I've built tons of unit tests to test it, and I have even used (part of) the conformance tests. It's a tokenizer, not a full-blown parser, so it will only split the XML into its component tokens. It won't parse/integrate DTDs.

Oh... if you want the source code of the regex, with some auxiliary methods:

regex to tokenize an xml or the full plain regex

HTML:

<div>
    <img src='' class='class' />
    <img src='' class='class' />
    <img src='' class='class' />
</div>

    

JavaScript:

var numItems = $('.class').length; 
        
alert(numItems);

Fiddle demo for inside only div

In my case, I was facing this error because my directory and its file were opened in my editor (VS code) while I was running npm install. I solved the issue by closing my editor and running npm install through the command line.

The results from json.Unmarshal (into var data interface{}) do not directly match your Go type and variable declarations. For example,

package main

import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "net/http"
    "os"
)

type Tracks struct {
    Toptracks []Toptracks_info
}

type Toptracks_info struct {
    Track []Track_info
    Attr  []Attr_info
}

type Track_info struct {
    Name       string
    Duration   string
    Listeners  string
    Mbid       string
    Url        string
    Streamable []Streamable_info
    Artist     []Artist_info
    Attr       []Track_attr_info
}

type Attr_info struct {
    Country    string
    Page       string
    PerPage    string
    TotalPages string
    Total      string
}

type Streamable_info struct {
    Text      string
    Fulltrack string
}

type Artist_info struct {
    Name string
    Mbid string
    Url  string
}

type Track_attr_info struct {
    Rank string
}

func get_content() {
    // json data
    url := "http://ws.audioscrobbler.com/2.0/?method=geo.gettoptracks&api_key=c1572082105bd40d247836b5c1819623&format=json&country=Netherlands"
    url += "&limit=1" // limit data for testing
    res, err := http.Get(url)
    if err != nil {
        panic(err.Error())
    }
    body, err := ioutil.ReadAll(res.Body)
    if err != nil {
        panic(err.Error())
    }
    var data interface{} // TopTracks
    err = json.Unmarshal(body, &data)
    if err != nil {
        panic(err.Error())
    }
    fmt.Printf("Results: %v\n", data)
    os.Exit(0)
}

func main() {
    get_content()
}

Output:

Results: map[toptracks:map[track:map[name:Get Lucky (feat. Pharrell Williams) listeners:1863 url:http://www.last.fm/music/Daft+Punk/_/Get+Lucky+(feat.+Pharrell+Williams) artist:map[name:Daft Punk mbid:056e4f3e-d505-4dad-8ec1-d04f521cbb56 url:http://www.last.fm/music/Daft+Punk] image:[map[#text:http://userserve-ak.last.fm/serve/34s/88137413.png size:small] map[#text:http://userserve-ak.last.fm/serve/64s/88137413.png size:medium] map[#text:http://userserve-ak.last.fm/serve/126/88137413.png size:large] map[#text:http://userserve-ak.last.fm/serve/300x300/88137413.png size:extralarge]] @attr:map[rank:1] duration:369 mbid: streamable:map[#text:1 fulltrack:0]] @attr:map[country:Netherlands page:1 perPage:1 totalPages:500 total:500]]]

To make a batch file for its current directory and sub directories:

cd %~dp0
attrib -h -r -s /s /d /l *.*

To remove you can use this directly:

getSupportFragmentManager().beginTransaction().remove(fragment).
                            commitAllowingStateLoss();

fragment is the fragment you want to remove.

The command for commiting all changed files:

git commit -a -m 'My commit comments'

-a = all edited files

-m = following string is a comment.

This will commit to your local drives / folders repo. If you want to push your changes to a git server / remotely hosted server, after the above command type:

git push

GitHub's cheat sheet is quite handy.

I am adding this answer since programmers coming to VBA from more modern languages and searching Stack Overflow for multithreading in VBA might be unaware of a couple of native VBA approaches which sometimes help to compensate for VBA's lack of true multithreading.

If the motivation of multithreading is to have a more responsive UI that doesn't hang when long-running code is executing, VBA does have a couple of low-tech solutions that often work in practice:

1) Userforms can be made to display modelessly - which allows the user to interact with Excel while the form is open. This can be specified at runtime by setting the Userform's ShowModal property to false or can be done dynamically as the from loads by putting the line

UserForm1.Show vbModeless

in the user form's initialize event.

2) The DoEvents statement. This causes VBA to cede control to the OS to execute any events in the events queue - including events generated by Excel. A typical use-case is updating a chart while code is executing. Without DoEvents the chart won't be repainted until after the macro is run, but with Doevents you can create animated charts. A variation of this idea is the common trick of creating a progress meter. In a loop which is to execute 10,000,000 times (and controlled by the loop index i ) you can have a section of code like:

If i Mod 10000 = 0 Then
    UpdateProgressBar(i) 'code to update progress bar display
    DoEvents
End If

None of this is multithreading -- but it might be an adequate kludge in some cases.

Pandas >= 0.21

set_value has been deprecated. You can now use DataFrame.at to set by label, and DataFrame.iat to set by integer position.

Setting Cell Values with at/iat

# Setup
df = pd.DataFrame({'A': [12, 23], 'B': [['a', 'b'], ['c', 'd']]})
df

    A       B
0  12  [a, b]
1  23  [c, d]

df.dtypes

A     int64
B    object
dtype: object

If you want to set a value in second row of the "B" to some new list, use DataFrane.at:

df.at[1, 'B'] = ['m', 'n']
df

    A       B
0  12  [a, b]
1  23  [m, n]

You can also set by integer position using DataFrame.iat

df.iat[1, df.columns.get_loc('B')] = ['m', 'n']
df

    A       B
0  12  [a, b]
1  23  [m, n]

What if I get ValueError: setting an array element with a sequence?

I'll try to reproduce this with:

df

    A   B
0  12 NaN
1  23 NaN

df.dtypes

A      int64
B    float64
dtype: object

df.at[1, 'B'] = ['m', 'n']
# ValueError: setting an array element with a sequence.

This is because of a your object is of float64 dtype, whereas lists are objects, so there's a mismatch there. What you would have to do in this situation is to convert the column to object first.

df['B'] = df['B'].astype(object)
df.dtypes

A     int64
B    object
dtype: object

Then, it works:

df.at[1, 'B'] = ['m', 'n']
df

    A       B
0  12     NaN
1  23  [m, n]

Possible, But Hacky

Even more wacky, I've found you can hack through DataFrame.loc to achieve something similar if you pass nested lists.

df.loc[1, 'B'] = [['m'], ['n'], ['o'], ['p']]
df

    A             B
0  12        [a, b]
1  23  [m, n, o, p]

You can read more about why this works here.

Exact solution to your problem

You can change the image on hover by using content:url("YOUR-IMAGE-PATH");

For image hover use below line in your css:

img:hover

and to change the image on hover using the below config inside img:hover:

img:hover{
content:url("https://www.planwallpaper.com/static/images/9-credit-1.jpg");
}

Something like this:

for (/* stuff */)
{
    var x = '<option value="' + col + '" '
        + (col === 'screwdriver' ? 'selected' : '')
        + '>Very roomy</option>';
    // snip...
}

you are calling the context of not existing activity...so just replace your code in onClick(View v) as Intent intent=new Intent(this,Katra_home.class); startActivity(intent); it will definitely works....

My recipe to fix it:

1. DID NOT WORK >> Set as system environment variable: I had set the environment variable in my mac bash_profile, however, Tomcat did not see that variable.

2. DID NOT WORK >> setenv.sh: Apache's recommendation was to have user-defined environment variables in setenv.sh file and I did that.

3. THIS WORKED!! >> After a little research into Tomcat startup scripts, I found that environment variables set using setenv.sh are lost during the startup. So I had to edit my catalina.sh against the recommendation of Apache and that did the trick.

Add your -DUSER_DEFINED variable in the run command in catalina.sh.

eval exec "\"$_RUNJAVA\"" "\"$LOGGING_CONFIG\"" $LOGGING_MANAGER $JAVA_OPTS $CATALINA_OPTS \
  -classpath "\"$CLASSPATH\"" \
  -Djava.security.manager \
  -Djava.security.policy=="\"$CATALINA_BASE/conf/catalina.policy\"" \
  -Dcatalina.base="\"$CATALINA_BASE\"" \
  -Dcatalina.home="\"$CATALINA_HOME\"" \
  -Djava.io.tmpdir="\"$CATALINA_TMPDIR\"" \
  -DUSER_DEFINED="$USER_DEFINED" \
  org.apache.catalina.startup.Bootstrap "$@" start

P.S: This problem could have been local to my computer. Others would have different problems. Adding my answer to this post just in case anyone is still facing issues with Tomcat not seeing the environment vars after trying out all recommended approaches.

To summarize the other answers, for general use:

Multi-line if...then statement

if [ foo ]; then
    a; b
elif [ bar ]; then
    c; d
else
    e; f
fi

Single-line version

if [ foo ]; then a && b; elif [ bar ]; c && d; else e && f; fi

Using the OR operator

( foo && a && b ) || ( bar && c && d ) || e && f;

Notes

Remember that the AND and OR operators evaluate whether or not the result code of the previous operation was equal to true/success (0). So if a custom function returns something else (or nothing at all), you may run into problems with the AND/OR shorthand. In such cases, you may want to replace something like ( a && b ) with ( [ a == 'EXPECTEDRESULT' ] && b ), etc.

Also note that ( and [ are technically commands, so whitespace is required around them.

Instead of a group of && statements like then a && b; else, you could also run statements in a subshell like then $( a; b ); else, though this is less efficient. The same is true for doing something like result1=$( foo; a; b ); result2=$( bar; c; d ); [ "$result1" -o "$result2" ] instead of ( foo && a && b ) || ( bar && c && d ). Though at that point you'd be getting more into less-compact, multi-line stuff anyway.

rbind.ordered=function(x,y){

  diffCol = setdiff(colnames(x),colnames(y))
  if (length(diffCol)>0){
    cols=colnames(y)
    for (i in 1:length(diffCol)) y=cbind(y,NA)
    colnames(y)=c(cols,diffCol)
  }

  diffCol = setdiff(colnames(y),colnames(x))
  if (length(diffCol)>0){
    cols=colnames(x)
    for (i in 1:length(diffCol)) x=cbind(x,NA)
    colnames(x)=c(cols,diffCol)
  }
  return(rbind(x, y[, colnames(x)]))
}

I am using Eclipse. I have resolved this problem by the following:

1. Open servers tab.
2. Double click on the server you are using.
3. On the server configuration page go to server options page.
4. Check Serve module without publishing.
5. Then save the page and configurations.
6. Restart the server by rebuild all the applications.

You will not get any this kind of error.

with css

body,html{
  overflow:hidden
}

~/.subversion/config or /etc/subversion/config

for Mac/Linux

and

%appdata%\subversion\config

for Windows

I have used componentDidUpdate() in highchart.

Here is a simple example of this component.

import React, { PropTypes, Component } from 'react';
window.Highcharts = require('highcharts');

export default class Chartline extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      chart: ''
    };
  }

  public componentDidUpdate() {
    // console.log(this.props.candidate, 'this.props.candidate')
    if (this.props.category) {
      const category = this.props.category ? this.props.category : {};
      console.log('category', category);
      window.Highcharts.chart('jobcontainer_' + category._id, {
        title: {
          text: ''
        },
        plotOptions: {
          series: {
            cursor: 'pointer'
          }
        },
        chart: {
          defaultSeriesType: 'spline'
        },
        xAxis: {
          // categories: candidate.dateArr,
          categories: ['Day1', 'Day2', 'Day3', 'Day4', 'Day5', 'Day6', 'Day7'],
          showEmpty: true
        },
        labels: {
          style: {
            color: 'white',
            fontSize: '25px',
            fontFamily: 'SF UI Text'
          }
        },
        series: [
          {
            name: 'Low',
            color: '#9B260A',
            data: category.lowcount
          },
          {
            name: 'High',
            color: '#0E5AAB',
            data: category.highcount
          },
          {
            name: 'Average',
            color: '#12B499',
            data: category.averagecount
          }
        ]
      });
    }
  }
  public render() {
    const category = this.props.category ? this.props.category : {};
    console.log('render category', category);
    return <div id={'jobcontainer_' + category._id} style={{ maxWidth: '400px', height: '180px' }} />;
  }
}

String before = EMPTY_SPACE+TAB+"word"+TAB+EMPTY_SPACE;

In summary, it has to pause the programs execution and make a system call and allocate unnecessary resources when you could be using something as simple as cin.get(). People use System("PAUSE") because they want the program to wait until they hit enter to they can see their output. If you want a program to wait for input, there are built in functions for that which are also cross platform and less demanding.

Further explanation in this article.

Square brackets:

jsObj['key' + i] = 'example' + 1;

In JavaScript, all arrays are objects, but not all objects are arrays. The primary difference (and one that's pretty hard to mimic with straight JavaScript and plain objects) is that array instances maintain the length property so that it reflects one plus the numeric value of the property whose name is numeric and whose value, when converted to a number, is the largest of all such properties. That sounds really weird, but it just means that given an array instance, the properties with names like "0", "5", "207", and so on, are all treated specially in that their existence determines the value of length. And, on top of that, the value of length can be set to remove such properties. Setting the length of an array to 0 effectively removes all properties whose names look like whole numbers.

OK, so that's what makes an array special. All of that, however, has nothing at all to do with how the JavaScript [ ] operator works. That operator is an object property access mechanism which works on any object. It's important to note in that regard that numeric array property names are not special as far as simple property access goes. They're just strings that happen to look like numbers, but JavaScript object property names can be any sort of string you like.

Thus, the way the [ ] operator works in a for loop iterating through an array:

for (var i = 0; i < myArray.length; ++i) {
  var value = myArray[i]; // property access
  // ...
}

is really no different from the way [ ] works when accessing a property whose name is some computed string:

var value = jsObj["key" + i];

The [ ] operator there is doing precisely the same thing in both instances. The fact that in one case the object involved happens to be an array is unimportant, in other words.

When setting property values using [ ], the story is the same except for the special behavior around maintaining the length property. If you set a property with a numeric key on an array instance:

myArray[200] = 5;

then (assuming that "200" is the biggest numeric property name) the length property will be updated to 201 as a side-effect of the property assignment. If the same thing is done to a plain object, however:

myObj[200] = 5;

there's no such side-effect. The property called "200" of both the array and the object will be set to the value 5 in otherwise the exact same way.

One might think that because that length behavior is kind-of handy, you might as well make all objects instances of the Array constructor instead of plain objects. There's nothing directly wrong about that (though it can be confusing, especially for people familiar with some other languages, for some properties to be included in the length but not others). However, if you're working with JSON serialization (a fairly common thing), understand that array instances are serialized to JSON in a way that only involves the numerically-named properties. Other properties added to the array will never appear in the serialized JSON form. So for example:

var obj = [];
obj[0] = "hello world";
obj["something"] = 5000;

var objJSON = JSON.stringify(obj);

the value of "objJSON" will be a string containing just ["hello world"]; the "something" property will be lost.

ES2015:

If you're able to use ES6 JavaScript features, you can use Computed Property Names to handle this very easily:

var key = 'DYNAMIC_KEY',
    obj = {
        [key]: 'ES6!'
    };

console.log(obj);
// > { 'DYNAMIC_KEY': 'ES6!' }

In a class you might call it like this:

public static string GetIPAddress(HttpRequestBase request) 
{
    string ip;
    try
    {
        ip = request.ServerVariables["HTTP_X_FORWARDED_FOR"];
        if (!string.IsNullOrEmpty(ip))
        {
            if (ip.IndexOf(",") > 0)
            {
                string[] ipRange = ip.Split(',');
                int le = ipRange.Length - 1;
                ip = ipRange[le];
            }
        } else
        {
            ip = request.UserHostAddress;
        }
    } catch { ip = null; }

    return ip; 
}

I used this in a razor app with great results.

Try this method:

set t=20;
select *
from myTable
where age > '${hiveconf:t}'; 

it works well on my platform.

This is with reference to @Ladislav Mrnka's answer on using fluent api for configuring one-to-one relationship.

Had a situation where having FK of dependent must be it's PK was not feasible.

E.g., Foo already has one-to-many relationship with Bar.

public class Foo {
   public Guid FooId;
   public virtual ICollection<> Bars; 
}
public class Bar {
   //PK
   public Guid BarId;
   //FK to Foo
   public Guid FooId;
   public virtual Foo Foo;
}

Now, we had to add another one-to-one relationship between Foo and Bar.

public class Foo {
   public Guid FooId;
   public Guid PrimaryBarId;// needs to be removed(from entity),as we specify it in fluent api
   public virtual Bar PrimaryBar;
   public virtual ICollection<> Bars;
}
public class Bar {
   public Guid BarId;
   public Guid FooId;
   public virtual Foo PrimaryBarOfFoo;
   public virtual Foo Foo;
}

Here is how to specify one-to-one relationship using fluent api:

modelBuilder.Entity<Bar>()
            .HasOptional(p => p.PrimaryBarOfFoo)
            .WithOptionalPrincipal(o => o.PrimaryBar)
            .Map(x => x.MapKey("PrimaryBarId"));

Note that while adding PrimaryBarId needs to be removed, as we specifying it through fluent api.

Also note that method name [WithOptionalPrincipal()][1] is kind of ironic. In this case, Principal is Bar. WithOptionalDependent() description on msdn makes it more clear.

Erland Sommarskog has an exhaustive post about passing data in SQL Server located here:

http://www.sommarskog.se/share_data.html

He covers SQL Server 2000, 2005, and 2008, and it should probably be read in its full detail as there is ample coverage of each method's advantages and drawbacks. However, here are the highlights of the article (frozen in time as of July 2015) for the sake of providing search terms that can be used to look greater details:

This article tackles two related questions:

• How can I use the result set from one stored procedure in another, also expressed as How can I use the result set from a stored
  procedure in a SELECT statement?
• How can I pass a table data in a parameter from one stored procedure to another?

OUTPUT Parameters

• Not generally applicable, but sometimes overlooked.

Table-valued Functions

• Often the best choice for output-only, but there are several restrictions.
• Examples:
  • Inline Functions: Use this to reuse a single SELECT.
  • Multi-statement Functions: When you need to encapsulate more complex logic.

Using a Table

• The most general solution. My favoured choice for input/output scenarios.
• Examples:
  • Sharing a Temp Table: Mainly for a single pair of caller/callee.
  • Process-keyed Table: Best choice for many callers to the same callee.
  • Global Temp Tables: A variation of process-keyed.

Table-valued Parameters

• Req. Version: SQL 2008
• Mainly useful when passing data from a client.

INSERT-EXEC

• Deceivingly appealing, but should be used sparingly.

Using the CLR

• Req. Version: SQL 2005
• Complex, but useful as a last resort when INSERT-EXEC does not work.

OPENQUERY

• Tricky with many pitfalls. Discouraged.

Using XML

• Req. Version: SQL 2005
• A bit of a kludge, but not without advantages.

Using Cursor Variables

• Not recommendable.

You cannot compare String Concatenation and String.Format by the program above.

You may try this also be interchanging the position of using your String.Format and Concatenation in your code block like the below

public static void main(String[] args) throws Exception {      
  long start = System.currentTimeMillis();

  for( int i=0;i<1000000; i++){
    String s = String.format( "Hi %s; Hi to you %s",i, + i*2);
  }

  long end = System.currentTimeMillis();
  System.out.println("Format = " + ((end - start)) + " millisecond");
  start = System.currentTimeMillis();

  for( int i=0;i<1000000; i++){
    String s = "Hi " + i + "; Hi to you " + i*2;
  }

  end = System.currentTimeMillis();
  System.out.println("Concatenation = " + ((end - start)) + " millisecond") ;
}

You will be surprised to see that Format works faster here. This is since the intial objects created might not be released and there can be an issue with memory allocation and thereby the performance.

One of the error could be that the file is not read as 'archive' format. check out ZipArchive not opening file - Error Code: 19. Open the downloaded file in text editor, if you have any html tags or debug statements at the starting, clear the buffer before reading the file.

ob_clean();
flush();
readfile("$archive_file_name");

Lee's approach can be simplified further

public static void InvokeIfRequired(this Control control, MethodInvoker action)
{
    // See Update 2 for edits Mike de Klerk suggests to insert here.

    if (control.InvokeRequired) {
        control.Invoke(action);
    } else {
        action();
    }
}

And can be called like this

richEditControl1.InvokeIfRequired(() =>
{
    // Do anything you want with the control here
    richEditControl1.RtfText = value;
    RtfHelpers.AddMissingStyles(richEditControl1);
});

There is no need to pass the control as parameter to the delegate. C# automatically creates a closure.

UPDATE:

According to several other posters Control can be generalized as ISynchronizeInvoke:

public static void InvokeIfRequired(this ISynchronizeInvoke obj,
                                         MethodInvoker action)
{
    if (obj.InvokeRequired) {
        var args = new object[0];
        obj.Invoke(action, args);
    } else {
        action();
    }
}

DonBoitnott pointed out that unlike Control the ISynchronizeInvoke interface requires an object array for the Invoke method as parameter list for the action.

UPDATE 2

Edits suggested by Mike de Klerk (see comment in 1st code snippet for insert point):

// When the form, thus the control, isn't visible yet, InvokeRequired  returns false,
// resulting still in a cross-thread exception.
while (!control.Visible)
{
    System.Threading.Thread.Sleep(50);
}

See ToolmakerSteve's comment below for concerns about this suggestion.

For Alpine Linux:

apk add openssl-dev

Only slightly related to the question, but try to wrap your head around this one. So un-intuitive:

import java.nio.file.*;
class Main {
  public static void main(String[] args) {
    Path p1 = Paths.get("/personal/./photos/./readme.txt");
    Path p2 = Paths.get("/personal/index.html");
    Path p3 = p1.relativize(p2);
    System.out.println(p3); //prints  ../../../../index.html  !!
  }
}

I had this same issue and started using user123444555621's answer. However, I also needed to add padding and a border to each li, which that solution doesn't allow because each li is a table-row.

First, we use a counter to replicate the ol's numbers.

We then set display: table; on each li and display: table-cell on the :before to give us the indentation.

Finally, the tricky part. Since we aren't using a table layout for the whole ol we need to ensure each :before is the same width. We can use the ch unit to roughly keep the width equal to the number of characters. In order to keep the widths uniform when the number of digits for the :before's differ, we can implement quantity queries. Assuming you know your lists won't be 100 items or more, you only need one quantity query rule to tell :before to change its width, but you can easily add more.

ol {_x000D_
  counter-reset: ol-num;_x000D_
  margin: 0;_x000D_
  padding: 0;_x000D_
}_x000D_
_x000D_
ol li {_x000D_
  counter-increment: ol-num;_x000D_
  display: table;_x000D_
  padding: 0.2em 0.4em;_x000D_
  border-bottom: solid 1px gray;_x000D_
}_x000D_
_x000D_
ol li:before {_x000D_
  content: counter(ol-num) ".";_x000D_
  display: table-cell;_x000D_
  width: 2ch; /* approximately two characters wide */_x000D_
  padding-right: 0.4em;_x000D_
  text-align: right;_x000D_
}_x000D_
_x000D_
/* two digits */_x000D_
ol li:nth-last-child(n+10):before,_x000D_
ol li:nth-last-child(n+10) ~ li:before {_x000D_
  width: 3ch;_x000D_
}_x000D_
_x000D_
/* three digits */_x000D_
ol li:nth-last-child(n+100):before,_x000D_
ol li:nth-last-child(n+100) ~ li:before {_x000D_
  width: 4ch;_x000D_
}

<ol>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
  <li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequuntur facere veniam saepe vel cumque, nobis quisquam! Velit maiores blanditiis cum in mollitia quas facere sint harum, officia laborum, amet vero!</li>_x000D_
</ol>

If using JDBC driver you may use function escape sequence like this:

select {fn MOD(5, 2)}
#Result 1

select  mod(5, 2)
#SQL Error [195] [S00010]: 'mod' is not a recognized built-in function name.

If the long string to multiple lines confuses you. Then you may install mz-tools addin which is a freeware and has the utility which splits the line for you.

Download Mz-tools

If your string looks like below

SqlQueryString = "Insert into Employee values(" & txtEmployeeNo.Value & "','" & txtContractStartDate.Value & "','" & txtSeatNo.Value & "','" & txtFloor.Value & "','" & txtLeaves.Value & "')"

Simply select the string > right click on VBA IDE > Select MZ-tools > Split Lines

Since you want to append elements to existing list, you can use var List[Int] and then keep on adding elements to the same list. Note -> You have to make sure that you insert an element into existing list as follows:-

var l: List[int] = List() // creates an empty list

l = 3 :: l // adds 3 to the head of the list

l = 4 :: l // makes int 4 as the head of the list

// Now when you will print l, you will see two elements in the list ( 4, 3)

Similar to Underscore library there is another library called as 'lodash' that has one method "orderBy" which takes in the parameter to determine in which order to sort it. You can use it like

_.orderBy('collection', 'propertyName', 'desc')

For some reason, it's not documented on the website docs.