Probably, you need to insert schema identifier here:

in.addValue("po_system_users", null, OracleTypes.ARRAY, "your_schema.T_SYSTEM_USER_TAB");

I'd factor out the prepared statement handling to at least a method. In this case, because there are no results it is fairly simple (and assuming that the connection is an instance variable that doesn't change):

private PreparedStatement updateSales;
public void updateSales(int sales, String cof_name) throws SQLException {
    if (updateSales == null) {
        updateSales = con.prepareStatement(
            "UPDATE COFFEES SET SALES = ? WHERE COF_NAME LIKE ?");
    }
    updateSales.setInt(1, sales);
    updateSales.setString(2, cof_name);
    updateSales.executeUpdate();
}

At that point, it is then just a matter of calling:

updateSales(75, "Colombian");

Which is pretty simple to integrate with other things, yes? And if you call the method many times, the update will only be constructed once and that will make things much faster. Well, assuming you don't do crazy things like doing each update in its own transaction...

Note that the types are fixed. This is because for any particular query/update, they should be fixed so as to allow the database to do its job efficiently. If you're just pulling arbitrary strings from a CSV file, pass them in as strings. There's also no locking; far better to keep individual connections to being used from a single thread instead.

IMHO returning a null is a bad solution because now you have the problem of sending and interpreting it at the (likely) front end client. I had the same error and I solved it by simply returning a List<FooObject>. I used JDBCTemplate.query().

At the front end (Angular web client), I simply examine the list and if it is empty (of zero length), treat it as no records found.

If you get an exception for : Invalid column type

Please use getNamedParameterJdbcTemplate() instead of getJdbcTemplate()

 List<Foo> foo = getNamedParameterJdbcTemplate().query("SELECT * FROM foo WHERE a IN (:ids)",parameters,
 getRowMapper());

Note that the second two arguments are swapped around.

we can use update for both insert and update/delte

I found it in http://www.baeldung.com/hikaricp and it works.

Your pom.xml

<dependency>
            <groupId>com.zaxxer</groupId>
            <artifactId>HikariCP</artifactId>
            <version>2.6.3</version>
        </dependency>

Your data.xml

<bean id="hikariConfig" class="com.zaxxer.hikari.HikariConfig">
    <property name="driverClassName" value="${jdbc.driverClassName}"/>
    <property name="jdbcUrl" value="${jdbc.databaseurl}"/>
    <property name="username" value="${jdbc.username}"/>
    <property name="password" value="${jdbc.password}"/>
</bean>
<bean id="dataSource" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
    <constructor-arg ref="hikariConfig" />
</bean>
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"
      p:dataSource-ref="dataSource"
/>

Your jdbc.properties

jdbc.driverClassName=org.postgresql.Driver
jdbc.dialect=org.hibernate.dialect.PostgreSQL94Dialect
jdbc.databaseurl=jdbc:postgresql://localhost:5432/dev_db
jdbc.username=dev
jdbc.password=dev

You can do something like this.

 List<Map<String, Object>> mapList = jdbctemplate.queryForList(query));
    return mapList.stream().collect(Collectors.toMap(k -> (Long) k.get("userid"), k -> (String) k.get("username")));

Output:

 {
  1: "abc",
  2: "def",
  3: "ghi"
}

Use following code

List data = getJdbcTemplate().queryForList(query,String.class)

queryForList returns a List of LinkedHashMap objects.

You need to cast it first like this:

    List list = jdbcTemplate.queryForList(...);
    for (Object o : list) {
       Map m = (Map) o;
       ...
    }

You can call [aDictionary description], or anywhere you would need a format string, just use %@ to stand in for the dictionary:

[NSString stringWithFormat:@"my dictionary is %@", aDictionary];

or

NSLog(@"My dictionary is %@", aDictionary);

I think you could do it using a specs file.

Under MinGW you could run
gcc -dumpspecs > specs

Where it says

*cpp:
%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT}

You change it to

*cpp:
%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} -std=c++11

And then place it in
/mingw/lib/gcc/mingw32/<version>/specs

I'm sure you could do the same without a MinGW build. Not sure where to place the specs file though.

The folder is probably either /gcc/lib/ or /gcc/.

Came up with this solution:

function scrollToTop() {
let currentOffset = window.pageYOffset;
const arr = [];

for (let i = 100; i >= 0; i--) {
    arr.push(new Promise(res => {
            setTimeout(() => {
                    res(currentOffset * (i / 100));
                },
                2 * (100 - i))
        })
    );
}

arr.reduce((acc, curr, index, arr) => {
    return acc.then((res) => {
        if (typeof res === 'number')
            window.scrollTo(0, res)
        return curr
    })
}, Promise.resolve(currentOffset)).then(() => {
    window.scrollTo(0, 0)
})}

There are many ways to do that. For example:

lst = [1,2,3,4,5,6]
[(lst[i], lst[i+1]) for i,_ in enumerate(lst[:-1])]    
>>>[(1, 2), (2, 3), (3, 4), (4, 5), (5, 6)]

[i for i in zip(*[iter(lst)]*2)]    
>>>[(1, 2), (3, 4), (5, 6)]

The error says it all, change:

ViewPager mPager = (ViewPager) findViewById(R.id.fieldspager);

to

final ViewPager mPager = (ViewPager) findViewById(R.id.fieldspager);

Use a repository manager and install this kind of jars into it. That solves your problems at all and for all computers in your network.

I also ran into this fault when I used open(file_path). My reason for this fault was that my file_path had a special character like "?" or "<".

Agree with neubert about the DECLARE statements, this will fix syntax error. But I would suggest you to avoid using openning cursors, they may be slow.

For your task: use INSERT...SELECT statement which will help you to copy data from one table to another using only one query.

INSERT ... SELECT Syntax.

The missing part is:

thead, tbody {
    display: block;
}

Demo

If you return a serializable object, WebAPI will automatically send JSON or XML based on the Accept header that your client sends.

If you return a string, you'll get a string.

(.* word1.* word2.* )|(.* word2.* word1.*)

So I have been lurking on stack for so many years. This is actually my first time posting on here.

Anyhow, this might seem insane but I came across this post while struggling with the same issue and came up with a dirty solution. I know there are more elegant ways to perhaps set this as a property value but:

if you look at lines 12880-12883 in tcpdf.php :

$fx = ((($w - $this->getAbsFontMeasure($tmpfont['cw'][`110`])) / 2) * $this->k);
$fy = (($w - ((($tmpfont['desc']['Ascent'] - $tmpfont['desc']['Descent']) * $this->FontSizePt / 1000) / $this->k)) * $this->k);
$popt['ap']['n'][$onvalue] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(`110`).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
$popt['ap']['n']['Off'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(`111`).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);

and lines 13135-13138 :

$fx = ((($w - $this->getAbsFontMeasure($tmpfont['cw'][`108`])) / 2) * $this->k);
$fy = (($w - ((($tmpfont['desc']['Ascent'] - $tmpfont['desc']['Descent']) * $this->FontSizePt / 1000) / $this->k)) * $this->k);
$popt['ap']['n']['Yes'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(`108`).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);
$popt['ap']['n']['Off'] = sprintf('q %s BT /F%d %F Tf %F %F Td ('.chr(`109`).') Tj ET Q', $this->TextColor, $tmpfont['i'], $this->FontSizePt, $fx, $fy);

Those widgets are rendered from the zapfdingbats font set... just swap the character codes and voila... checks are radios and/or vice versa. This also opens up ideas to make a custom font set to use here and add some nice styling to your form elements.

Anyhow, just figured I would offer my two cents ... it worked awesome for me.

_msize(array) in Windows or malloc_usable_size(array) in Linux should work for the dynamic array

Both are located within malloc.h and both return a size_t

For anyone still confused about how to define the service name parameter, the forward slash goes immediately after the application package name in the fully qualified class name.

So given an application package name of: app.package.name

And a full path to the service of: app.package.name.example.package.path.MyServiceClass

Then the command would look like this:

adb shell am startservice app.package.name/.example.package.path.MyServiceClass

Are methods using FOR XML PATH like below really that slow? Itzik Ben-Gan writes that this method has good performance in his T-SQL Querying book (Mr. Ben-Gan is a trustworthy source, in my view).

create table #t (id int, name varchar(20))

insert into #t
values (1, 'Matt'), (1, 'Rocks'), (2, 'Stylus')

select  id
        ,Names = stuff((select ', ' + name as [text()]
        from #t xt
        where xt.id = t.id
        for xml path('')), 1, 2, '')
from #t t
group by id

i got [ReflectionException] Class Seeder does not exist too and when i use composer dump-autoload, i got an error preg_match(): JIT compilation failed: no more memory when i run it.

What i did is that i change ;pcre.jit=1 to pcre.jit=Off in php.ini! You can find the path by using php --ini in your terminal!

I am using mac with php 7.3! Hope that help any of you guys out there!

same from above example - if you are just looking for json (not an array of object) just use

function getJsonDetails() {
      item = {}
      item ["token1"] = token1val;
      item ["token2"] = token1val;
      return item;
}
console.log(JSON.stringify(getJsonDetails()))

this output ll print as (a valid json)

{ 
   "token1":"samplevalue1",
   "token2":"samplevalue2"
}

The dash is a special character in Bash as noted at http://tldp.org/LDP/abs/html/special-chars.html#DASHREF. So escaping this once just gets you past Bash, but Grep still has it's own meaning to dashes (by providing options).

So you really need to escape it twice (if you prefer not to use the other mentioned answers). The following will/should work

grep \\-X
grep '\-X'
grep "\-X"

One way to try out how Bash passes arguments to a script/program is to create a .sh script that just echos all the arguments. I use a script called echo-args.sh to play with from time to time, all it contains is:

echo $*

I invoke it as:

bash echo-args.sh \-X
bash echo-args.sh \\-X
bash echo-args.sh "\-X"

You get the idea.

Build URL '/search' as string. Like

"/search?fname="+fname"+"&lname="+lname

Actually I didn't use

 `$http({method:'GET', url:'/search', params:{fname: fname, lname: lname}})` 

but I'm sure "params" should be JSON.stringify like for POST

var jsonData = JSON.stringify(
    {
        fname: fname,
        lname: lname 
    }
);

After:

$http({
  method:'GET',
  url:'/search',
  params: jsonData
});

Delete the most recent commit, keeping the work you've done:

git reset --soft HEAD~1

Delete the most recent commit, destroying the work you've done:

git reset --hard HEAD~1

Hypothetically, if search landed you on this question then you probably want this:

doReturn(someReturn).when(someObject).doSomething(argThat(argument -> argument.getName().equals("Bob")));

Why? Because like me you value time and you are not going to implement .equals just for the sake of the single test scenario.

And 99 % of tests fall apart with null returned from Mock and in a reasonable design you would avoid return null at all costs, use Optional or move to Kotlin. This implies that verify does not need to be used that often and ArgumentCaptors are just too tedious to write.

To set the range of the x-axis, you can use set_xlim(left, right), here are the docs

Update:

It looks like you want an identical plot, but only change the 'tick values', you can do that by getting the tick values and then just changing them to whatever you want. So for your need it would be like this:

ticks = your_plot.get_xticks()*10**9
your_plot.set_xticklabels(ticks)

There are three ways to fetch multiple rows returned by PDO statement.

The simplest one is just to iterate over PDOStatement itself:

$stmt = $pdo->prepare("SELECT * FROM auction WHERE name LIKE ?")
$stmt->execute(array("%$query%"));
// iterating over a statement
foreach($stmt as $row) {
    echo $row['name'];
}

another one is to fetch rows using fetch() method inside a familiar while statement:

$stmt = $pdo->prepare("SELECT * FROM auction WHERE name LIKE ?")
$stmt->execute(array("%$query%"));
// using while
while($row = $stmt->fetch()) {
    echo $row['name'];
}

but for the modern web application we should have our datbase iteractions separated from output and thus the most convenient method would be to fetch all rows at once using fetchAll() method:

$stmt = $pdo->prepare("SELECT * FROM auction WHERE name LIKE ?")
$stmt->execute(array("%$query%"));
// fetching rows into array
$data = $stmt->fetchAll();

or, if you need to preprocess some data first, use the while loop and collect the data into array manually

$result = [];
$stmt = $pdo->prepare("SELECT * FROM auction WHERE name LIKE ?")
$stmt->execute(array("%$query%"));
// using while
while($row = $stmt->fetch()) {
    $result[] = [
        'newname' => $row['oldname'],
        // etc
    ];
}

and then output them in a template:

<ul>
<?php foreach($data as $row): ?>
    <li><?=$row['name']?></li>
<?php endforeach ?>
</ul>

Note that PDO supports many sophisticated fetch modes, allowing fetchAll() to return data in many different formats.

Open CMD (Run as administrator) type command:

git config --system --unset credential.helper

then enter new password for Git remote server.

Using C++14 user defined literals and std::to_string the code becomes easier.

using namespace std::literals::string_literals;
std::string str;
str += "Hello World, "s + "nice to see you, "s + "or not"s;
str += "Hello World, "s + std::to_string(my_int) + other_string;

Note that concatenating string literals can be done at compile time. Just remove the +.

str += "Hello World, " "nice to see you, " "or not";

I don't know if this is accurate, but I have found that python/ruby works much better for scripts that have a lot of mathematical computations. Otherwise you have to use dc or some other "arbitrary precision calculator". It just becomes a very big pain. With python you have much more control over floats vs ints and it is much easier to perform a lot of computations and sometimes.

In particular, I would never work with a bash script to handle binary information or bytes. Instead I would use something like python (maybe) or C++ or even Node.JS.

If you are using any Payment Gateway to hit any url just to send a message, then i used a webview by following it : How can load https url without use of ssl in android webview

and make a webview in your activity with visibility gone. What you need to do : just load that webview.. like this:

 webViewForSms.setWebViewClient(new SSLTolerentWebViewClient());
                webViewForSms.loadUrl(" https://bulksms.com/" +
                        "?username=test&password=test@123&messageType=text&mobile="+
                        mobileEditText.getText().toString()+"&senderId=ATZEHC&message=Your%20OTP%20for%20A2Z%20registration%20is%20124");

Easy.

You will get this: SSLTolerentWebViewClient from this link: How can load https url without use of ssl in android webview

More universal way is to set search_path (should work in PostgreSQL 7.x and above):

SET search_path TO myschema;

Note that set schema myschema is an alias to above command that is not available in 8.x.

See also: http://www.postgresql.org/docs/9.3/static/ddl-schemas.html

You can use the String.format method as used in another answer to generate a string of 0's,

String.format("%0"+length+"d",0)

This can be applied to your problem by dynamically adjusting the number of leading 0's in a format string:

public String leadingZeros(String s, int length) {
     if (s.length() >= length) return s;
     else return String.format("%0" + (length-s.length()) + "d%s", 0, s);
}

It's still a messy solution, but has the advantage that you can specify the total length of the resulting string using an integer argument.

getClass().getResource(path) loads resources from the classpath, not from a filesystem path.

UIView's also have a center property. If you just want to move the position rather than resize, you can just change that - eg:

aView.center = CGPointMake(50, 200);

Otherwise you would do it the way you posted.

You can use moment js for this purpose. momentJs 'fromNow()' will give you any time difference from current time.

var m1 = any date time on moment format;

console.log(m1.fromNow());

I am now using Google Apps (for Email) and Heroku as web server. I am using Google Apps 301 Permanent Redirect feature to redirect the naked domain to WWW.your_domain.com

You can find the step-by-step instructions here https://stackoverflow.com/a/20115583/1440255

Sometimes sorting the whole data ahead is very time consuming. We can groupby first and doing topk for each group:

g = df.groupby(['id']).apply(lambda x: x.nlargest(topk,['value'])).reset_index(drop=True)

If you don't wanna use rfind then this will do the trick/

def find_last(s, t):
    last_pos = -1
    while True:
        pos = s.find(t, last_pos + 1)
        if pos == -1:
            return last_pos
        else:
            last_pos = pos

If you want to use std::string reliably, you must #include <string>.

Its easy go to File - Data Modeler - Import - Data Dictionary - DB connection - OK

What kind of business data? Trade secrets or just stuff that they don't want people to see but if it got out, it wouldn't be a big deal? If we are talking trade secrets, financial information, customer information and stuff that's generally confidential. Then don't even go down that route.

I'm wondering whether I need to use a secured connection (https) or just the forms authentication is enough.

Use a secure connection all the way.

Do I need to alter the code / Config

Yes. Well may be not. You may want to have an expert do this for you.

Is SSL and https one and the same...

Mostly yes. People usually refer to those things as the same thing.

Do I need to apply with someone to get some license or something.

You probably want to have your certificate signed by a certificate authority. It will cost you or your client a bit of money.

Do I need to make all my pages secured or only the login page...

Use https throughout. Performance is usually not an issue if the site is meant for internal users.

I was searching Internet for answer, but I was not able to get all these points... Any whitepaper or other references would also be helpful...

Start here for some pointers: http://www.owasp.org/index.php/Category:OWASP_Guide_Project

Note that SSL is a minuscule piece of making your web site secure once it is accessible from the internet. It does not prevent most sort of hacking.

You need to include a declaration of the printf() function.

#include <stdio.h>

You can use urllib:

import urllib.request
urllib.request.urlretrieve(url, "filename.pdf")

Running a simple local HTTP server

To test such examples, one needs a local webserver. One of the easiest ways to do this for our purposes is to use Python's SimpleHTTPServer (or http.server, depending on the version of Python installed.)

# Install Python & try one of the following depending on your python version. if the version is 3.X
python3 -m http.server
# On windows try "python" instead of "python3", or "py -3"
# If Python version is 2.X
python -m SimpleHTTPServer

In the VSCode file tasks.json, the "command": "tsc" will try to find the tsc windows command script in some folder that it deems to be your modules folder.

If you know where the command npm install -g typescript or npm install typescript is saving to, I would recommend replacing:

"command": "tsc"

with

"command": "D:\\Projects\\TS\\Tutorial\\node_modules\\.bin\\tsc"

where D:\\...\\bin is the folder that contains my tsc windows executable

Will determine where my vscode is natively pointing to right now to find the tsc and fix it I guess.

Adding one more to the list, because I find all of the above not quite "KISS" enough.

This one uses regex to find either commas or newlines while skipping over quoted items. Hopefully this is something noobies can read through on their own. The splitFinder regexp has three things it does (split by a |):

1. , - finds commas
2. \r?\n - finds new lines, (potentially with carriage return if the exporter was nice)
3. "(\\"|[^"])*?" - skips anynthing surrounded in quotes, because commas and newlines don't matter in there. If there is an escaped quote \\" in the quoted item, it will get captured before an end quote can be found.

const splitFinder = /,|\r?\n|"(\\"|[^"])*?"/g;_x000D_
_x000D_
function csvTo2dArray(parseMe) {_x000D_
  let currentRow = [];_x000D_
  const rowsOut = [currentRow];_x000D_
  let lastIndex = splitFinder.lastIndex = 0;_x000D_
  _x000D_
  // add text from lastIndex to before a found newline or comma_x000D_
  const pushCell = (endIndex) => {_x000D_
    endIndex = endIndex || parseMe.length;_x000D_
    const addMe = parseMe.substring(lastIndex, endIndex);_x000D_
    // remove quotes around the item_x000D_
    currentRow.push(addMe.replace(/^"|"$/g, ""));_x000D_
    lastIndex = splitFinder.lastIndex;_x000D_
  }_x000D_
_x000D_
_x000D_
  let regexResp;_x000D_
  // for each regexp match (either comma, newline, or quoted item)_x000D_
  while (regexResp = splitFinder.exec(parseMe)) {_x000D_
    const split = regexResp[0];_x000D_
_x000D_
    // if it's not a quote capture, add an item to the current row_x000D_
    // (quote captures will be pushed by the newline or comma following)_x000D_
    if (split.startsWith(`"`) === false) {_x000D_
      const splitStartIndex = splitFinder.lastIndex - split.length;_x000D_
      pushCell(splitStartIndex);_x000D_
_x000D_
      // then start a new row if newline_x000D_
      const isNewLine = /^\r?\n$/.test(split);_x000D_
      if (isNewLine) { rowsOut.push(currentRow = []); }_x000D_
    }_x000D_
  }_x000D_
  // make sure to add the trailing text (no commas or newlines after)_x000D_
  pushCell();_x000D_
  return rowsOut;_x000D_
}_x000D_
_x000D_
const rawCsv = `a,b,c\n"test\r\n","comma, test","\r\n",",",\nsecond,row,ends,with,empty\n"quote\"test"`_x000D_
const rows = csvTo2dArray(rawCsv);_x000D_
console.log(rows);

Try this:

alter table Documents drop
  FK__Documents__Custo__2A4B4B5E

Go to conversation tab then come down there is one "close pull request" button is there use that button to close pull request, Take ref of attached image

in the iframe tag, you can easily add width='100%' instead of the preset value giving to you by the map

like this:

 <iframe src="https://www.google.com/maps/embed?anyLocation" width="100%" height="400" frameborder="0" style="border:0;" allowfullscreen=""></iframe>

If you simply need a new byte array, then use the following:

byte[] Combine(byte[] a1, byte[] a2, byte[] a3)
{
    byte[] ret = new byte[a1.Length + a2.Length + a3.Length];
    Array.Copy(a1, 0, ret, 0, a1.Length);
    Array.Copy(a2, 0, ret, a1.Length, a2.Length);
    Array.Copy(a3, 0, ret, a1.Length + a2.Length, a3.Length);
    return ret;
}

Alternatively, if you just need a single IEnumerable, consider using the C# 2.0 yield operator:

IEnumerable<byte> Combine(byte[] a1, byte[] a2, byte[] a3)
{
    foreach (byte b in a1)
        yield return b;
    foreach (byte b in a2)
        yield return b;
    foreach (byte b in a3)
        yield return b;
}

Give it a try :

public LatLng getLocation()
    {
     // Get the location manager
     LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
     Criteria criteria = new Criteria();
     String bestProvider = locationManager.getBestProvider(criteria, false);
     Location location = locationManager.getLastKnownLocation(bestProvider);
     Double lat,lon;
     try {
       lat = location.getLatitude ();
       lon = location.getLongitude ();
       return new LatLng(lat, lon);
     }
     catch (NullPointerException e){
         e.printStackTrace();
       return null;
     }
    }

simply run the following command:

ng update

note: this will not update globally.

Try the following solutions (for Windows):

• Go to your sdk tool installation path, and under \sdk\platform-tools folder and run this command:

  adb devices

If your device it listed it should show something like this:

C:\android\sdk\platform-tools>adb devices
List of devices attached
081e96500591f039        device

If not, follow this:

• Try these commands:

  adb kill-server

  adb start-server

• Make sure your phone has Developer Options in Settings (if not, go to Settings, About phone (or device), click on Android Version multiple times until you see a message).

• Make sure USB debugging on your phone is enabled (go to Developer Options in Settings and turn it on)

• Make sure you have Select USB Configuration set to MTP (this is also in Developer Options).

• Make sure you can see your files in your device in Windows Explorer when you connect via USB.

• Make sure you have the driver for your device properly installed (most of the time, this happens when you first plug in your USB cable).

• In Windows, right click on Computer, and go to Device Manager, check if you have Android Device right on the root folder and under it should be Android Composite ADB Interface. If you don't have this, you have to download the Google USB Driver. Get it here:

http://developer.android.com/sdk/win-usb.html

• In Device Manager, find your device (should have yellow Exclamation point), right click, and update driver (open the folder with the driver you just downloaded)

• If this doesn't work, try restarting Android Studio or plugging your device back in again.

Some cheap devices (some $30 tablets) don't provide the USB drivers to connect in Device Manager, so in this case you are out of luck.

There are two ways:

1. Use the axes methods of the subplot object (e.g. ax.set_xticks and ax.set_xticklabels) or
2. Use plt.sca to set the current axes for the pyplot state machine (i.e. the plt interface).

As an example (this also illustrates using setp to change the properties of all of the subplots):

import matplotlib.pyplot as plt

fig, axes = plt.subplots(nrows=3, ncols=4)

# Set the ticks and ticklabels for all axes
plt.setp(axes, xticks=[0.1, 0.5, 0.9], xticklabels=['a', 'b', 'c'],
        yticks=[1, 2, 3])

# Use the pyplot interface to change just one subplot...
plt.sca(axes[1, 1])
plt.xticks(range(3), ['A', 'Big', 'Cat'], color='red')

fig.tight_layout()
plt.show()

My solution was to avoid using NOW() when writing sql with your programming language, and substitute with a string. The problem with NOW() as you indicate is it includes current time. So to capture from the beginning of the query day (0 hour and minute) instead of:

r.date <= DATE_SUB(NOW(), INTERVAL 99 DAY)

I did (php):

$current_sql_date = date('Y-m-d 00:00:00');

in the sql:

$sql_x = "r.date <= DATE_SUB('$current_sql_date', INTERVAL 99 DAY)"

With that, you will be retrieving data from midnight of the given day

There's 2 ways you can do this:

1, Create a segue to your ViewController in your Storyboard as explained in my answer here: How to perform a segue that is not related to user input in iOS 5?

2, Give your ViewController and identifier and call it using the code in my answer here: Call storyboard scene programmatically (without needing segue)?

If you got Invalid URL or resource not found put your icon.png in the "bin" folder in your workspace.

You can do it manually. (I know, that that isn't great solution, but..) use while loop till the result hasn't a value

kickOff().then(function(result) {
   while(true){
       if (result === undefined) continue;
       else {
            $("#output").append(result);
            return;
       }
   }
});

Not sure if any of these help, but this might get you started: http://studiostyles.info

I know that the site owner has been gradually adding functionality to allow support for new color assignments, so perhaps there's something there.

Try this:

var isPalindrome = function (string) {
    if (string == string.split('').reverse().join('')) {
        alert(string + ' is palindrome.');
    }
    else {
        alert(string + ' is not palindrome.');
    }
}

document.getElementById('form_id').onsubmit = function() {
   isPalindrome(document.getElementById('your_input').value);
}

So this script alerts the result, is it palindrome or not. You need to change the your_id with your input id and form_id with your form id to get this work.

Demo!

 static void Main()
    {
        // A.
        // Example strings with multiple whitespaces.
        string s1 = "He saw   a cute\tdog.";
        string s2 = "There\n\twas another sentence.";

        // B.
        // Create the Regex.
        Regex r = new Regex(@"\s+");

        // C.
        // Strip multiple spaces.
        string s3 = r.Replace(s1, @" ");
        Console.WriteLine(s3);

        // D.
        // Strip multiple spaces.
        string s4 = r.Replace(s2, @" ");
        Console.WriteLine(s4);
        Console.ReadLine();
    }

OUTPUT:

He saw a cute dog. There was another sentence. He saw a cute dog.

The argument is of length zero takes places when you get an output as an integer of length 0 and not a NULL output.i.e., integer(0).

You can further verify my point by finding the class of your output- >class(output) "integer"

For those checking this around the year 2020:

Microsoft's System.Text.Json namespace is the new king in town. In terms of performance, it is the best as far as I can tell:

var model = new Model
{
    Name = "Test Name",
    Age = 5
};

string json = JsonSerializer.Serialize(model);

As some others have mentioned, NewtonSoft.Json is a very nice library as well.

For Swift 3 and 4, if you're willing to use IBInspectables, there's this:

@IBDesignable extension UIView {
    @IBInspectable var borderColor:UIColor? {
        set {
            layer.borderColor = newValue!.cgColor
        }
        get {
            if let color = layer.borderColor {
                return UIColor(cgColor: color)
            }
            else {
                return nil
            }
        }
    }
    @IBInspectable var borderWidth:CGFloat {
        set {
            layer.borderWidth = newValue
        }
        get {
            return layer.borderWidth
        }
    }
    @IBInspectable var cornerRadius:CGFloat {
        set {
            layer.cornerRadius = newValue
            clipsToBounds = newValue > 0
        }
        get {
            return layer.cornerRadius
        }
    }
}

i'd also like to know the right way, but you can always peek either into:

$ cat .git/packed-refs 

or:

$ cat .git/refs/tags/*

Then you'd want to do this instead:

print str(int(1.0/3.0*100))+'%'

The .0 denotes them as floats and int() rounds them to integers afterwards again.

It frees memory allocated to objects that are not being used by the program any more - hence the name "garbage". For example:

public static Object otherMethod(Object obj) {
    return new Object();
}

public static void main(String[] args) {
    Object myObj = new Object();
    myObj = otherMethod(myObj);
    // ... more code ...  
}

I know this is extremely contrived, but here after you call otherMethod() the original Object created is made unreachable - and that's "garbage" that gets garbage collected.

In Java the GC runs automatically, but you can also call it explicitly with System.gc() and try to force a major garbage collection. As Pascal Thivent points out, you really shouldn't have to do this and it might do more harm than good (see this question).

For more, see the wikipedia entry on Garbage collection and Tuning Garbage Collection (from Oracle)

Similar error with Glassfish 4.0 and several JDK installed:

SEVERE: GlassFish requires JDK 7, you are using JDK version 6.

There is no AS_JAVA reference in "C:\glassfish\config\asenv.bat" by default. After adding manually

set AS_JAVA=C:\Program Files\Java\jdk1.7.0_25 

it works.

Here is how you do it:

In .h

#ifdef BUILD_DLL
#define EXPORT __declspec(dllexport)
#else
#define EXPORT __declspec(dllimport)
#endif

extern "C" // Only if you are using C++ rather than C
{    
  EXPORT int __stdcall add2(int num);
  EXPORT int __stdcall mult(int num1, int num2);
}

in .cpp

extern "C" // Only if you are using C++ rather than C
{    
EXPORT int __stdcall add2(int num)
{
  return num + 2;
}


EXPORT int __stdcall mult(int num1, int num2)
{
  int product;
  product = num1 * num2;
  return product;
}
}

The macro tells your module (i.e your .cpp files) that they are providing the dll stuff to the outside world. People who incude your .h file want to import the same functions, so they sell EXPORT as telling the linker to import. You need to add BUILD_DLL to the project compile options, and you might want to rename it to something obviously specific to your project (in case a dll uses your dll).

You might also need to create a .def file to rename the functions and de-obfuscate the names (C/C++ mangles those names). This blog entry might be an interesting launching off point about that.

Loading your own custom dlls is just like loading system dlls. Just ensure that the DLL is on your system path. C:\windows\ or the working dir of your application are an easy place to put your dll.

To play the same sample multiple times, wouldn't it be possible to do something like this:

e.pause(); // Perhaps optional
e.currentTime = 0;
e.play();

(e is the audio element)

Perhaps I completely misunderstood your problem, do you want the sound effect to play multiple times at the same time? Then this is completely wrong.

If using moment.js, there is a simpler solution, which will give you the difference in days in one single line of code.

moment(endDate).diff(moment(beginDate), 'days');

Additional details can be found in the moment.js page

Cheers, Miguel

I had to add X-Frame-Options for IE and Content-Security-Policy for other browsers. So i did something like following.

if allowed_domains.present?
  request_host = URI.parse(request.referer)
  _domain = allowed_domains.split(" ").include?(request_host.host) ? "#{request_host.scheme}://#{request_host.host}" : app_host
  response.headers['Content-Security-Policy'] = "frame-ancestors #{_domain}"
  response.headers['X-Frame-Options'] = "ALLOW-FROM #{_domain}"
else
  response.headers.except! 'X-Frame-Options'
end

There is also the _reindex option

From documentation:

Through the Elasticsearch reindex API, available in version 5.x and later, you can connect your new Elasticsearch Service deployment remotely to your old Elasticsearch cluster. This pulls the data from your old cluster and indexes it into your new one. Reindexing essentially rebuilds the index from scratch and it can be more resource intensive to run.

POST _reindex
{
  "source": {
    "remote": {
      "host": "https://REMOTE_ELASTICSEARCH_ENDPOINT:PORT",
      "username": "USER",
      "password": "PASSWORD"
    },
    "index": "INDEX_NAME",
    "query": {
      "match_all": {}
    }
  },
  "dest": {
    "index": "INDEX_NAME"
  }
}

I had the same problem but also wanted to get the content of the file (after the YAML front-matter).

This is the best solution I have found:

if (md = contents.match(/^(?<metadata>---\s*\n.*?\n?)^(---\s*$\n?)/m))
  self.contents = md.post_match
  self.metadata = YAML.load(md[:metadata])
end

Source and discussion: https://practicingruby.com/articles/tricks-for-working-with-text-and-files

Per RVM's troubleshooting documentation "How do I completely clean out all traces of RVM from my system, including for system wide installs?":

Here is a custom script which we name as 'cleanout-rvm'. While you can definitely use rvm implode as a regular user or rvmsudo rvm implode for a system wide install, this script is useful as it steps completely outside of RVM and cleans out RVM without using RVM itself, leaving no traces.

#!/bin/bash
/usr/bin/sudo rm -rf $HOME/.rvm $HOME/.rvmrc /etc/rvmrc /etc/profile.d/rvm.sh /usr/local/rvm /usr/local/bin/rvm
/usr/bin/sudo /usr/sbin/groupdel rvm
/bin/echo "RVM is removed. Please check all .bashrc|.bash_profile|.profile|.zshrc for RVM source lines and delete or comment out if this was a Per-User installation."

The bug is probably somewhere else in your code, because it should work fine:

>>> 3 not in [2, 3, 4]
False
>>> 3 not in [4, 5, 6]
True

Or with tuples:

>>> (2, 3) not in [(2, 3), (5, 6), (9, 1)]
False
>>> (2, 3) not in [(2, 7), (7, 3), "hi"]
True

Answer is adding this 2 lines of code to Global.asax.cs Application_Start method

var json = GlobalConfiguration.Configuration.Formatters.JsonFormatter;
json.SerializerSettings.PreserveReferencesHandling = 
    Newtonsoft.Json.PreserveReferencesHandling.All;

Reference: Handling Circular Object References

As @Devart says, the total length of your index is too long.

The short answer is that you shouldn't be indexing such long VARCHAR columns anyway, because the index will be very bulky and inefficient.

The best practice is to use prefix indexes so you're only indexing a left substring of the data. Most of your data will be a lot shorter than 255 characters anyway.

You can declare a prefix length per column as you define the index. For example:

...
KEY `index` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50))
...

But what's the best prefix length for a given column? Here's a method to find out:

SELECT
 ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10,
 ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_link`),2) AS pct_length_20,
 ROUND(SUM(LENGTH(`menu_link`)<50)*100/COUNT(`menu_link`),2) AS pct_length_50,
 ROUND(SUM(LENGTH(`menu_link`)<100)*100/COUNT(`menu_link`),2) AS pct_length_100
FROM `pds_core_menu_items`;

It tells you the proportion of rows that have no more than a given string length in the menu_link column. You might see output like this:

+---------------+---------------+---------------+----------------+
| pct_length_10 | pct_length_20 | pct_length_50 | pct_length_100 |
+---------------+---------------+---------------+----------------+
|         21.78 |         80.20 |        100.00 |         100.00 |
+---------------+---------------+---------------+----------------+

This tells you that 80% of your strings are less than 20 characters, and all of your strings are less than 50 characters. So there's no need to index more than a prefix length of 50, and certainly no need to index the full length of 255 characters.

PS: The INT(1) and INT(32) data types indicates another misunderstanding about MySQL. The numeric argument has no effect related to storage or the range of values allowed for the column. INT is always 4 bytes, and it always allows values from -2147483648 to 2147483647. The numeric argument is about padding values during display, which has no effect unless you use the ZEROFILL option.

Time Zone Location Web Services

• Google Maps Time Zone API
• Bing Maps Time Zone API
• Azure Maps Time Zone API
• GeoNames Time Zone API
• TimeZoneDB API
• AskGeo - commercial (but arguably more accurate than GeoNames)
• GeoGarage Time Zone API - commercial, focusing on Nautical time zones.

Raw Time Zone Boundary Data

• Timezone Boundary Builder - builds time zone shapefiles from OpenStreetMaps map data. Includes territorial waters near coastlines.

The following projects have previously been sources of time zone boundary data, but are no longer actively maintained.

• tz_world - the original shapefile data from Eric Muller
• whereonearth-timezone - GeoJSON version with WOEDB data merged in

Time Zone Geolocation Offline Implementations

Implementations that use the Timezone Boundary Builder data

• node-geo-tz - JavaScript library (Node.js only)
• timespace - JavaScript library
• tz-lookup-oss - JavaScript library
• GeoTimeZone - .NET library
• Geo-Timezone - PHP library
• timezonefinder - Python library
• ZoneDetect - C library
• Timeshape - Java library
• TimeZoneMap - Java and Android library
• lutz - R library
• go-tz - Go library
• Timezone lookup - Go library
• docker-timezone-lookup - docker container wrapping node-geo-tz

Implementations that use the older tz_world data

• latlong - Go library (Read this post also.)
• TimeZoneMapper - Java library
• tzwhere - JavaScript/Node library
• pytzwhere - Python library
• timezone_finder - Ruby library
• LatLongToTimeZone - Java and Swift libraries
• What Time is it here? - Blog post describing PHP and MongoDB
• rundel/timezone - R library

Libraries that call one of the web services

• timezone - Ruby gem that calls GeoNames
• AskGeo has its own libraries for calling from Java or .Net
• GeoNames has client libraries for just about everything

Self-hosted web services

• geo2tz - based on Timezone lookup, available via Docker image

Other Ideas

• Find the nearest city with an R-Tree
• Find the nearest city with MySQL

Please update this list if you know of any others

Also, note that the nearest-city approach may not yield the "correct" result, just an approximation.

Conversion To Windows Zones

Most of the methods listed will return an IANA time zone id. If you need to convert to a Windows time zone for use with the TimeZoneInfo class in .NET, use the TimeZoneConverter library.

Don't use zone.tab

The tz database includes a file called zone.tab. This file is primarily used to present a list of time zones for a user to pick from. It includes the latitude and longitude coordinates for the point of reference for each time zone. This allows a map to be created highlighting these points. For example, see the interactive map shown on the moment-timezone home page.

While it may be tempting to use this data to resolve the time zone from a latitude and longitude coordinates, consider that these are points - not boundaries. The best one could do would be to determine the closest point, which in many cases will not be the correct point.

Consider the following example:

The two squares represent different time zones, where the black dot in each square is the reference location, such as what can be found in zone.tab. The blue dot represents the location we are attempting to find a time zone for. Clearly, this location is within the orange zone on the left, but if we just look at closest distance to the reference point, it will resolve to the greenish zone on the right.

Use foreach($fields as &$field){ - so you will work with the original array.

Here is more about passing by reference.

Try this tutorial it has the explanation and it will be helpful http://www.ccs.neu.edu/home/kathleen/classes/cs3200/JDBCtutorial.pdf

Although the accepted answer works fine, since v0.21.0rc1 it gives a warning

UserWarning: Pandas doesn't allow columns to be created via a new attribute name

Instead, one can do

df[["X", "A", "B", "C"]].plot(x="X", kind="bar")

You can also use rlutil:

• cross platform,
• header only (rlutil.h),
• works for C and C++,
• implements setColor(), cls(), getch(), gotoxy(), etc.
• License: WTFPL

Your code would become something like this:

#include <stdio.h>

#include "rlutil.h"

int main(int argc, char* argv[])
{
    setColor(BLUE);
    printf("\n \n \t This is dummy program for text color ");
    getch();

    return 0;
}

Have a look at example.c and test.cpp for C and C++ examples.

You can create a static method that will return desired IEnumerable like this :

public static IEnumerable<T> CreateEnumerable<T>(params T[] values) =>
    values;
//And then use it
IEnumerable<string> myStrings = CreateEnumerable("first item", "second item");//etc..

Alternatively just do :

IEnumerable<string> myStrings = new []{ "first item", "second item"};

When Bootstrap Select initializes, it'll build a set of custom divs that run alongside the original <select> element and will typically synchronize state between the two input mechanisms.

Which is to say that one way to handle events on bootstrap select is to listen for events on the original select that it modifies, regardless of who updated it.

Solution 1 - Native Events

Just listen for a change event and get the selected value using javascript or jQuery like this:

$('select').on('change', function(e){
  console.log(this.value,
              this.options[this.selectedIndex].value,
              $(this).find("option:selected").val(),);
});

^{*NOTE: As with any script reliant on the DOM, make sure you wait for the DOM ready event before executing}

Demo in Stack Snippets:

$(function() {_x000D_
_x000D_
  $('select').on('change', function(e){_x000D_
    console.log(this.value,_x000D_
                this.options[this.selectedIndex].value,_x000D_
                $(this).find("option:selected").val(),);_x000D_
  });_x000D_
  _x000D_
});

<link href="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/css/bootstrap.css" rel="stylesheet"/>_x000D_
<link href="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/css/bootstrap-select.css" rel="stylesheet"/>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.js"></script>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/js/bootstrap.js"></script>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/bootstrap-select.js"></script>_x000D_
_x000D_
<select class="selectpicker">_x000D_
  <option val="Must"> Mustard </option>_x000D_
  <option val="Cat" > Ketchup </option>_x000D_
  <option val="Rel" > Relish  </option>_x000D_
</select>

Solution 2 - Bootstrap Select Custom Events

As this answer alludes, Bootstrap Select has their own set of custom events, including changed.bs.select which:

fires after the select's value has been changed. It passes through event, clickedIndex, newValue, oldValue.

And you can use that like this:

$("select").on("changed.bs.select", 
      function(e, clickedIndex, newValue, oldValue) {
    console.log(this.value, clickedIndex, newValue, oldValue)
});

Demo in Stack Snippets:

$(function() {_x000D_
_x000D_
  $("select").on("changed.bs.select", _x000D_
        function(e, clickedIndex, newValue, oldValue) {_x000D_
      console.log(this.value, clickedIndex, newValue, oldValue)_x000D_
  });_x000D_
_x000D_
});

<link href="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/css/bootstrap.css" rel="stylesheet"/>_x000D_
<link href="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/css/bootstrap-select.css" rel="stylesheet"/>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.js"></script>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.2/js/bootstrap.js"></script>_x000D_
<script src="//cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.4/js/bootstrap-select.js"></script>_x000D_
_x000D_
<select class="selectpicker">_x000D_
  <option val="Must"> Mustard </option>_x000D_
  <option val="Cat" > Ketchup </option>_x000D_
  <option val="Rel" > Relish  </option>_x000D_
</select>

Super easy.

Just divide the number of allocated bytes by the number of bytes of the array's data type using sizeof().

For example, given an integer array called myArray

int numArrElements = sizeof(myArray) / sizeof(int);

Now, if the data type of your array isn't constant and could possibly change, make the divisor in the equation use the size of the first value as the size of the data type

For example:

int numArrElements = sizeof(myArray) / sizeof(myArray[0]);

The union statement cause a deal time in huge data. It is good to perform the select in 2 steps:

1. select the id
2. then select the main table with it

By adding using System.Timers; to your program you can use this function:

private static void delay(int Time_delay)
{
   int i=0;
  //  ameTir = new System.Timers.Timer();
    _delayTimer = new System.Timers.Timer();
    _delayTimer.Interval = Time_delay;
    _delayTimer.AutoReset = false; //so that it only calls the method once
    _delayTimer.Elapsed += (s, args) => i = 1;
    _delayTimer.Start();
    while (i == 0) { };
}

Delay is a function and can be used like:

delay(5000);

Send HTTP POST/GET request with parameters using HttpURLConnection :

POST with Parameters:

fun sendPostRequest(userName:String, password:String) {

    var reqParam = URLEncoder.encode("username", "UTF-8") + "=" + URLEncoder.encode(userName, "UTF-8")
    reqParam += "&" + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(password, "UTF-8")
    val mURL = URL("<Your API Link>")

    with(mURL.openConnection() as HttpURLConnection) {
        // optional default is GET
        requestMethod = "POST"

        val wr = OutputStreamWriter(getOutputStream());
        wr.write(reqParam);
        wr.flush();

        println("URL : $url")
        println("Response Code : $responseCode")

        BufferedReader(InputStreamReader(inputStream)).use {
            val response = StringBuffer()

            var inputLine = it.readLine()
            while (inputLine != null) {
                response.append(inputLine)
                inputLine = it.readLine()
            }
            println("Response : $response")
        }
    }
}

GET with Parameters:

fun sendGetRequest(userName:String, password:String) {

        var reqParam = URLEncoder.encode("username", "UTF-8") + "=" + URLEncoder.encode(userName, "UTF-8")
        reqParam += "&" + URLEncoder.encode("password", "UTF-8") + "=" + URLEncoder.encode(password, "UTF-8")

        val mURL = URL("<Yout API Link>?"+reqParam)

        with(mURL.openConnection() as HttpURLConnection) {
            // optional default is GET
            requestMethod = "GET"

            println("URL : $url")
            println("Response Code : $responseCode")

            BufferedReader(InputStreamReader(inputStream)).use {
                val response = StringBuffer()

                var inputLine = it.readLine()
                while (inputLine != null) {
                    response.append(inputLine)
                    inputLine = it.readLine()
                }
                it.close()
                println("Response : $response")
            }
        }
    }

you want

import os
os.getcwd()
os.chdir('..')

Honestly, I've always been happy with emacs. Then again, I started out using emacs, so I've no doubt that it colours my perceptions. Still, it gives syntax highlighting and formatting, and can easily be configured to build the LaTeX. Check out the TeX mode.

I think the project you are looking for is: https://github.com/sarxos/webcam-capture (I'm the author)

There is an example working exactly as you've described - after it's run, the window appear where, after you press "Start" button, you can see live image from webcam device and save it to file after you click on "Snapshot" (source code available, please note that FPS counter in the corner can be disabled):

The project is portable (WinXP, Win7, Win8, Linux, Mac, Raspberry Pi) and does not require any additional software to be installed on the PC.

API is really nice and easy to learn. Example how to capture single image and save it to PNG file:

Webcam webcam = Webcam.getDefault();
webcam.open();
ImageIO.write(webcam.getImage(), "PNG", new File("test.png"));

var jsonStringNoQuotes = [{"Id":"10","Name":"Matt"},{"Id":"1","Name":"Rock"}];

it will create json object. no need to parse.

jsonStringQuotes = "'" + jsonStringNoQuotes + "'";

will return '[object]'

thats why it(below) is causing error

var myData = JSON.parse(jsonStringQuotes);

Interestingly, this solution can break, but a workaround: Looking for my database called KeyWorks.accdb which must exist:

Run this:

Dim strDataPath As String = GetSetting("KeyWorks", "dataPath", "01", "") 'get from registry

If Not strDataPath.Contains("KeyWorks.accdb") Then....etc.

If my database is named KeyWorksBB.accdb, the If statement will find this acceptable and exit the If statement because it did indeed find KeyWorks and accdb.

If I surround the If statement qualifier with single quotes like 'KeyWorks.accdb', it now looks for all the consecutive characters in order and would enter the If block because it did not match.

Why should you learn Python Programming Language?

Python offers a stepping stone into the world of programming. Even though Python Programming Language has been around for 25 years, it is still rising in popularity. Some of the biggest advantage of Python are it's

• Easy to Read & Easy to Learn
• Very productive or small as well as big projects
• Big libraries for many things

What is Python Programming Language used for?

As a general purpose programming language, Python can be used for multiple things. Python can be easily used for small, large, online and offline projects. The best options for utilizing Python are web development, simple scripting and data analysis. Below are a few examples of what Python will let you do:

Web Development:

You can use Python to create web applications on many levels of complexity. There are many excellent Python web frameworks including, Pyramid, Django and Flask, to name a few.

Data Analysis:

Python is the leading language of choice for many data scientists. Python has grown in popularity, within this field, due to its excellent libraries including; NumPy and Pandas and its superb libraries for data visualisation like Matplotlib and Seaborn.

Machine Learning:

What if you could predict customer satisfaction or analyse what factors will affect household pricing or to predict stocks over the next few days, based on previous years data? There are many wonderful libraries implementing machine learning algorithms such as Scikit-Learn, NLTK and TensorFlow.

Computer Vision:

You can do many interesting things such as Face detection, Color detection while using Opencv and Python.

Internet Of Things With Raspberry Pi:

Raspberry Pi is a very tiny and affordable computer which was developed for education and has gained enormous popularity among hobbyists with do-it-yourself hardware and automation. You can even build a robot and automate your entire home. Raspberry Pi can be used as the brain for your robot in order to perform various actions and/or react to the environment. The coding on a Raspberry Pi can be performed using Python. The Possibilities are endless!

Game Development:

Create a video game using module Pygame. Basically, you use Python to write the logic of the game. PyGame applications can run on Android devices.

Web Scraping:

If you need to grab data from a website but the site does not have an API to expose data, use Python to scraping data.

Writing Scripts:

If you're doing something manually and want to automate repetitive stuff, such as emails, it's not difficult to automate once you know the basics of this language.

Browser Automation:

Perform some neat things such as opening a browser and posting a Facebook status, you can do it with Selenium with Python.

GUI Development:

Build a GUI application (desktop app) using Python modules Tkinter, PyQt to support it.

Rapid Prototyping:

Python has libraries for just about everything. Use it to quickly built a (lower-performance, often less powerful) prototype. Python is also great for validating ideas or products for established companies and start-ups alike.

Python can be used in so many different projects. If you're a programmer looking for a new language, you want one that is growing in popularity. As a newcomer to programming, Python is the perfect choice for learning quickly and easily.

You can't free types that aren't dynamically allocated. Although arrays are syntactically similar (int* x = malloc(sizeof(int) * 4) can be used in the same way that int x[4] is), calling free(firstName) would likely cause an error for the latter.

For example, take this code:

int x;
free(&x);

free() is a function which takes in a pointer. &x is a pointer. This code may compile, even though it simply won't work.

If we pretend that all memory is allocated in the same way, x is "allocated" at the definition, "freed" at the second line, and then "freed" again after the end of the scope. You can't free the same resource twice; it'll give you an error.

This isn't even mentioning the fact that for certain reasons, you may be unable to free the memory at x without closing the program.

tl;dr: Just free the struct and you'll be fine. Don't call free on arrays; only call it on dynamically allocated memory.

Number((6.688689).toFixed(1)); // 6.7

var number = 6.688689;
var roundedNumber = Math.round(number * 10) / 10;

Use toFixed() function.

(6.688689).toFixed(); // equal to "7"
(6.688689).toFixed(1); // equal to "6.7"
(6.688689).toFixed(2); // equal to "6.69"

You may try something like that:

    public Stream ConvertToBase64(Stream stream)
    {
        Byte[] inArray = new Byte[(int)stream.Length];
        Char[] outArray = new Char[(int)(stream.Length * 1.34)];
        stream.Read(inArray, 0, (int)stream.Length);
        Convert.ToBase64CharArray(inArray, 0, inArray.Length, outArray, 0);
        return new MemoryStream(Encoding.UTF8.GetBytes(outArray));
    }

What you can do to resolve your conflict is

svn resolve --accept working -R <path>

where <path> is where you have your conflict (can be the root of your repo).

Explanations:

• resolve asks svn to resolve the conflict
• accept working specifies to keep your working files
• -R stands for recursive

Hope this helps.

EDIT:

To sum up what was said in the comments below:

• <path> should be the directory in conflict (C:\DevBranch\ in the case of the OP)
• it's likely that the origin of the conflict is
  • either the use of the svn switch command
  • or having checked the Switch working copy to new branch/tag option at branch creation
• more information about conflicts can be found in the dedicated section of Tortoise's documentation.
• to be able to run the command, you should have the CLI tools installed together with Tortoise:

If the shell scripts start with #!/bin/bash, they will always run with bash from /bin. If they however start with #!/usr/bin/env bash, they will search for bash in $PATH and then start with the first one they can find.

Why would this be useful? Assume you want to run bash scripts, that require bash 4.x or newer, yet your system only has bash 3.x installed and currently your distribution doesn't offer a newer version or you are no administrator and cannot change what is installed on that system.

Of course, you can download bash source code and build your own bash from scratch, placing it to ~/bin for example. And you can also modify your $PATH variable in your .bash_profile file to include ~/bin as the first entry (PATH=$HOME/bin:$PATH as ~ will not expand in $PATH). If you now call bash, the shell will first look for it in $PATH in order, so it starts with ~/bin, where it will find your bash. Same thing happens if scripts search for bash using #!/usr/bin/env bash, so these scripts would now be working on your system using your custom bash build.

One downside is, that this can lead to unexpected behavior, e.g. same script on the same machine may run with different interpreters for different environments or users with different search paths, causing all kind of headaches.

The biggest downside with env is that some systems will only allow one argument, so you cannot do this #!/usr/bin/env <interpreter> <arg>, as the systems will see <interpreter> <arg> as one argument (they will treat it as if the expression was quoted) and thus env will search for an interpreter named <interpreter> <arg>. Note that this is not a problem of the env command itself, which always allowed multiple parameters to be passed through but with the shebang parser of the system that parses this line before even calling env. Meanwhile this has been fixed on most systems but if your script wants to be ultra portable, you cannot rely that this has been fixed on the system you will be running.

It can even have security implications, e.g. if sudo was not configured to clean environment or $PATH was excluded from clean up. Let me demonstrate this:

Usually /bin is a well protected place, only root is able to change anything there. Your home directory is not, though, any program you run is able to make changes to it. That means malicious code could place a fake bash into some hidden directory, modify your .bash_profile to include that directory in your $PATH, so all scripts using #!/usr/bin/env bash will end up running with that fake bash. If sudo keeps $PATH, you are in big trouble.

E.g. consider a tool creates a file ~/.evil/bash with the following content:

#!/bin/bash

if [ $EUID -eq 0 ]; then
  echo "All your base are belong to us..."
  # We are root - do whatever you want to do
fi

/bin/bash "$@"

Let's make a simple script sample.sh:

#!/usr/bin/env bash

echo "Hello World"

Proof of concept (on a system where sudo keeps $PATH):

$ ./sample.sh
Hello World

$ sudo ./sample.sh
Hello World

$ export PATH="$HOME/.evil:$PATH"

$ ./sample.sh
Hello World

$ sudo ./sample.sh
All your base are belong to us...
Hello World

Usually the classic shells should all be located in /bin and if you don't want to place them there for whatever reason, it's really not an issue to place a symlink in /bin that points to their real locations (or maybe /bin itself is a symlink), so I would always go with #!/bin/sh and #!/bin/bash. There's just too much that would break if these wouldn't work anymore. It's not that POSIX would require these position (POSIX does not standardize path names and thus it doesn't even standardize the shebang feature at all) but they are so common, that even if a system would not offer a /bin/sh, it would probably still understand #!/bin/sh and know what to do with it and may it only be for compatibility with existing code.

But for more modern, non standard, optional interpreters like Perl, PHP, Python, or Ruby, it's not really specified anywhere where they should be located. They may be in /usr/bin but they may as well be in /usr/local/bin or in a completely different hierarchy branch (/opt/..., /Applications/..., etc.). That's why these often use the #!/usr/bin/env xxx shebang syntax.

I think what you want to do is this:

$(this).children('img').eq(0);

this will give you a jquery object containing the first img element, whereas

$(this).children('img')[0];

will give you the img element itself.

Detect key press, including key combinations:

window.addEventListener('keydown', function (e) {
  if (e.ctrlKey && e.keyCode == 90) {
    // Ctrl + z pressed
  }
});

Benefit here is that you are not overwriting any global properties, but instead merely introducing a side effect. Not good, but definitely a whole lot less nefarious than other suggestions on here.

SELECT UPPER(firstname) FROM Person

SELECT LOWER(firstname) FROM Person

It is clear by now, that they are not the same. The way to code that is

var var1, var2, var3
var1 = var2 = var3 = 1

And, what about let assigment? Exactly the same as var, don't let the let assigment confuse you because of block scope.

let var1 = var2 = 1 // here var2 belong to the global scope

We could do the following:

let v1, v2, v3
v1 = v2 = v3 = 2

Note: btw, I do not recommend use multiple assignments, not even multiple declarations in the same line.

In Swift it solves like this.

class Label: UILabel {
    override func drawTextInRect(rect: CGRect) {
        super.drawTextInRect(UIEdgeInsetsInsetRect(rect, UIEdgeInsets(top: 0, left: 10, bottom: 0, right: 10)))
    }
}

You have to explicitly set the position of the parent container along with the position of the child container. The typical way to do that is something like this:

div.parent{
    position: relative;
    left: 0px;  /* stick it wherever it was positioned by default */
    top: 0px;
}

div.child{
    position: absolute;
    left: 10px;
    top: 10px;
}

You need to create a thread to handle the update loop and use it to update the textarea. The tricky part though is that only the main thread can actually modify the ui so the update loop thread needs to signal the main thread to do the update. This is done using a Handler.

Check out this link: http://developer.android.com/guide/topics/ui/dialogs.html# Click on the section titled "Example ProgressDialog with a second thread". It's an example of exactly what you need to do, except with a progress dialog instead of a textfield.

There is a package that converts it for you and returns the svg as a string to implement into your reactJS file.

https://www.npmjs.com/package/convert-svg-react

Here is a simple way of running MySQL queries in the bash shell

mysql -u [database_username] -p [database_password] -D [database_name] -e "SELECT * FROM [table_name]"

Use the instanceof operator:

if(a instanceof MyClass)
{
    //do something
}

Why would you pass a parameter to a stored procedure that doesn't use it?

It sounds to me like you might be better of building dynamic SQL statements and then executing them. What you are trying to do with the SP won't work, and even if you could change what you are doing in such a way to accommodate varying numbers of parameters, you would then essentially be using dynamically generated SQL you are defeating the purpose of having/using a SP in the first place. SP's have a role, but there are not the solution in all cases.

Why don't you let PHP do the job?

"UPDATE member_profile SET points= ' ". ($points+1) ." '  WHERE user_id = '".$userid."'"

resulting_list = list(first_list)
resulting_list.extend(x for x in second_list if x not in resulting_list)

 var fs = require('fs');
 fs.writeFile(path + "\\message.txt", "Hello", function(err){
 if (err) throw err;
  console.log("success");
}); 

For example : read file and write to another file :

  var fs = require('fs');
    var path = process.cwd();
    fs.readFile(path+"\\from.txt",function(err,data)
                {
                    if(err)
                        console.log(err)
                    else
                        {
                            fs.writeFile(path+"\\to.text",function(erro){
                                if(erro)
                                    console.log("error : "+erro);
                                else
                                    console.log("success");
                            });
                        }
                });

I've used ZetaHtmlTidy in the past to load random websites and then hit against various parts of the content with xpath (eg /html/body//p[@class='textblock']). It worked well but there were some exceptional sites that it had problems with, so I don't know if it's the absolute best solution.

Try this:

$("a").each(function() {
    if ($('[href$="?"]', this).length()) {
        alert("Contains questionmark");
    }
});

Perhaps the pandas interface has changed since @Rutger answered, but in the version I'm using (0.15.2), the date_parser function receives a list of dates instead of a single value. In this case, his code should be updated like so:

dateparse = lambda dates: [pd.datetime.strptime(d, '%Y-%m-%d %H:%M:%S') for d in dates]

df = pd.read_csv(infile, parse_dates=['datetime'], date_parser=dateparse)

As suggested in official docker document also. Try running this:

• sudo vi /etc/apt/sources.list

Then remove/comment any (deb [arch=amd64] https://download.docker.com/linux/ubuntu/ xenial stable) such entry at the last lines of the file.

Then in terminal run this command:

• sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu/ bionic stable"

• sudo apt-get update

It worked in my case.

AStyle can be customized in great detail for C++ and Java (and others too)

This is a source code formatting tool.

clang-format is a powerful command line tool bundled with the clang compiler which handles even the most obscure language constructs in a coherent way.

It can be integrated with Visual Studio, Emacs, Vim (and others) and can format just the selected lines (or with git/svn to format some diff).

It can be configured with a variety of options listed here.

When using config files (named .clang-format) styles can be per directory - the closest such file in parent directories shall be used for a particular file.

Styles can be inherited from a preset (say LLVM or Google) and can later override different options

It is used by Google and others and is production ready.

Also look at the project UniversalIndentGUI. You can experiment with several indenters using it: AStyle, Uncrustify, GreatCode, ... and select the best for you. Any of them can be run later from a command line.

Uncrustify has a lot of configurable options. You'll probably need Universal Indent GUI (in Konstantin's reply) as well to configure it.

This works with all DBRM/SQL, it is standard ANSI:

SELECT *
  FROM owner.tablename A
 WHERE condition
  AND  n+1 <= (
         SELECT COUNT(DISTINCT b.column_order)
           FROM owner.tablename B
          WHERE condition
            AND b.column_order>a.column_order
          )
ORDER BY a.column_order DESC

Imagine that this is your Json response

{"Visit":{"VisitId":8,"Description":"visit8"}}

This is how you parse the response and access the values

    Ext.Ajax.request({
    headers: {
        'Content-Type': 'application/json'
    },
    url: 'api/fullvisit/getfullvisit/' + visitId,
    method: 'GET',
    dataType: 'json',
    success: function (response, request) {
        obj = JSON.parse(response.responseText);
        alert(obj.Visit.VisitId);
    }
});

This will alert the VisitId field

This is now possible with move_to_end(key, last=True)

>>> d = OrderedDict.fromkeys('abcde')
>>> d.move_to_end('b')
>>> ''.join(d.keys())
'acdeb'
>>> d.move_to_end('b', last=False)
>>> ''.join(d.keys())
'bacde'

https://docs.python.org/3/library/collections.html#collections.OrderedDict.move_to_end

It can be done much easier:

\S which equals [^ \t\r\n\v\f]

The XPath turns into this:

Get me all of the div elements that have an id equal to container.

As for getting the first etc, you have two options.

Turn it into a .findElement() - this will just return the first one for you anyway.

or

To explicitly do this in XPath, you'd be looking at:

(//div[@id='container'])[1]

for the first one, for the second etc:

(//div[@id='container'])[2]

Then XPath has a special indexer, called last, which would (you guessed it) get you the last element found:

(//div[@id='container'])[last()]

Worth mentioning that XPath indexers will start from 1 not 0 like they do in most programming languages.

As for getting the parent 'node', well, you can use parent:

//div[@id='container']/parent::*

That would get the div's direct parent.

You could then go further and say I want the first *div* with an id of container, and I want his parent:

(//div[@id='container'])[1]/parent::*

Hope that helps!

UPDATE 2017-12-13

You can now download the extension directly from the marketplace.

As of Visual Studio Code 1.7.1 dragging or opening the extension does not work any more. In order to install it manually you need to:

• open the extensions sidebar
• click on the ellipsis in the right upper corner
• choose Install from VSIX

Old Method

According to the documentation it is possible to download an extension directly:

An extension's direct download URL is in the form:

https://${publisher}.gallery.vsassets.io/_apis/public/gallery/publisher/${publisher}/extension/${extension name}/${version}/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage

This means that in order to download the extension you need to know

• the publisher name
• the version
• the extension name

You can find all this information in the URL.

Example

Here's an example for downloading an installing the C# v1.3.0 extension:

Publisher, Extension and Version

You can find the publisher and the extension names on the extension's homepage inside its URL:

https://marketplace.visualstudio.com/items?itemName=ms-vscode.csharp

Here the publisher is ms-vscode and the extension name is csharp.

The version can be found on the right side in the More Info area.

To download it you need to create a link from the template above:

https://ms-vscode.gallery.vsassets.io/_apis/public/gallery/publisher/ms-vscode/extension/csharp/1.3.0/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage

All packages will have the same name Microsoft.VisualStudio.Services.VSIXPackage, so you'll need to rename it after downloading if you want to know what package it was later.

Installation

In order to install the extension

• Rename the file and give it the *.vsix extension
• Open Visual Studio Code, go to menu File → Open File... or Ctrl + O and select the .vsix file
• If everything went fine, you should see this message at the top of the window:

Extension was successfully installed. Restart to enable it.

You can also use:

.rhead {
    width:300px;
}

but this will only with with some browsers, if I remember correctly IE8 does not allow this. Over all, It is safer to just put the width="" attribute in the <td> itself.

Use str.replace.

>>> papa.replace('papa', '')
' is a good man'
>>> app.replace('papa', '')
'app is important'

Alternatively use re and use regular expressions. This will allow the removal of leading/trailing spaces.

>>> import re
>>> papa = 'papa is a good man'
>>> app = 'app is important'
>>> papa3 = 'papa is a papa, and papa'
>>>
>>> patt = re.compile('(\s*)papa(\s*)')
>>> patt.sub('\\1mama\\2', papa)
'mama is a good man'
>>> patt.sub('\\1mama\\2', papa3)
'mama is a mama, and mama'
>>> patt.sub('', papa3)
'is a, and'

This is working for me:

AlertDialog.Builder builder = new AlertDialog.Builder(getApplicationContext());

    builder.setTitle("Confirm");
    builder.setMessage("Are you sure?");

    builder.setPositiveButton("YES", new DialogInterface.OnClickListener() {

        public void onClick(DialogInterface dialog, int which) {

            // Do nothing, but close the dialog
            dialog.dismiss();
        }
    });

    builder.setNegativeButton("NO", new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {

            // Do nothing
            dialog.dismiss();
        }
    });

    AlertDialog alert = builder.create();
    alert.show();

strip() is a method for strings, you are calling it on a list, hence the error.

>>> 'strip' in dir(str)
True
>>> 'strip' in dir(list)
False

To do what you want, just do

>>> l = ['Facebook;Google+;MySpace', 'Apple;Android']
>>> l1 = [elem.strip().split(';') for elem in l]
>>> print l1
[['Facebook', 'Google+', 'MySpace'], ['Apple', 'Android']]

Since, you want the elements to be in a single list (and not a list of lists), you have two options.

1. Create an empty list and append elements to it.
2. Flatten the list.

To do the first, follow the code:

>>> l1 = []
>>> for elem in l:
        l1.extend(elem.strip().split(';'))  
>>> l1
['Facebook', 'Google+', 'MySpace', 'Apple', 'Android']

To do the second, use itertools.chain

>>> l1 = [elem.strip().split(';') for elem in l]
>>> print l1
[['Facebook', 'Google+', 'MySpace'], ['Apple', 'Android']]
>>> from itertools import chain
>>> list(chain(*l1))
['Facebook', 'Google+', 'MySpace', 'Apple', 'Android']

$result = mysql_query($query) or die("Data not found."); 
$rows=array(); 
while($r=mysql_fetch_assoc($result))
{ 
$rows[]=$r;
}
header("Content-type:application/json"); 
echo json_encode($rows);

As of Genymotion 2.10.0 and onwards, GApps can be installed from the emulator toolbar. Please refer to answer by @MichaelStoddart.

Next follows former answer kept here for historic reason:

Genymotion doesn't provide Google Apps. To install Google Apps:

1. Upgrade Genymotion and VirtualBox to the latest version.

2. Download two zip files:
   - ARM Translation Installer v1.1
   - Google Apps for your Android version: 2.3.7 - 4.4.4 or 4.4 - 6.0 (with platform and variant) You can also find the GApps list in the wbroek user GitHubGist page.

3. Open Genymotion emulator and go to home screen then drag and drop the first file Genymotion-ARM-Translation_v1.1.zip over the emulator. A dialog will appear and show as file transfer in progress, then another dialog will appear and ask that do you want to flash it on the emulator. Click OK and reboot the device by running adb reboot from your terminal or command prompt.

4. Drag and drop the second file gapps-*-signed.zip and repeat the same steps as above. Run adb reboot again and, once rebooted, Google Apps will be in the emulator.

5. At this point 'Google Apps Services' will crash frequently with the following message google play services has stopped working. Open Google Play. After providing your account details, open Google Play and update your installed Google Apps. This seems to make Google Play realize you have an old Google Play Services and will ask you to update (in my case, updating Google Hangouts required a new version of Google Play Services). I've also heard that simply waiting will also prompt you to update. The 'Google Play Services' app doesn't seem to appear otherwise - you can't search for it. You should then see an offer to update Google Play Services. Once the new Google Play Services is installed you will now have stable, working access to Google Play

Use docker container ls to list all running containers.

Use the flag -a to show all containers (not just running). i.e. docker container ls -a

Use the flag -q to show containers and their numeric IDs. i.e. docker container ls -q

Visit the documentation to learn all available options for this command.

you need length() function

select length(customer_name) from ar.ra_customers

simple Media Player with streaming example.For xml part you need one button with id button1 and two images in your drawable folder with name button_pause and button_play and please don't forget to add the internet permission in your manifest.

public class MainActivity extends Activity {
private Button btn;
/**
 * help to toggle between play and pause.
 */
private boolean playPause;
private MediaPlayer mediaPlayer;
/**
 * remain false till media is not completed, inside OnCompletionListener make it true.
 */
private boolean intialStage = true;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    btn = (Button) findViewById(R.id.button1);
    mediaPlayer = new MediaPlayer();
    mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
    btn.setOnClickListener(pausePlay);

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.activity_main, menu);
    return true;
}

private OnClickListener pausePlay = new OnClickListener() {

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        // TODO Auto-generated method stub

        if (!playPause) {
            btn.setBackgroundResource(R.drawable.button_pause);
            if (intialStage)
                new Player()
                        .execute("http://www.virginmegastore.me/Library/Music/CD_001214/Tracks/Track1.mp3");
            else {
                if (!mediaPlayer.isPlaying())
                    mediaPlayer.start();
            }
            playPause = true;
        } else {
            btn.setBackgroundResource(R.drawable.button_play);
            if (mediaPlayer.isPlaying())
                mediaPlayer.pause();
            playPause = false;
        }
    }
};
/**
 * preparing mediaplayer will take sometime to buffer the content so prepare it inside the background thread and starting it on UI thread.
 * @author piyush
 *
 */

class Player extends AsyncTask<String, Void, Boolean> {
    private ProgressDialog progress;

    @Override
    protected Boolean doInBackground(String... params) {
        // TODO Auto-generated method stub
        Boolean prepared;
        try {

            mediaPlayer.setDataSource(params[0]);

            mediaPlayer.setOnCompletionListener(new OnCompletionListener() {

                @Override
                public void onCompletion(MediaPlayer mp) {
                    // TODO Auto-generated method stub
                    intialStage = true;
                    playPause=false;
                    btn.setBackgroundResource(R.drawable.button_play);
                    mediaPlayer.stop();
                    mediaPlayer.reset();
                }
            });
            mediaPlayer.prepare();
            prepared = true;
        } catch (IllegalArgumentException e) {
            // TODO Auto-generated catch block
            Log.d("IllegarArgument", e.getMessage());
            prepared = false;
            e.printStackTrace();
        } catch (SecurityException e) {
            // TODO Auto-generated catch block
            prepared = false;
            e.printStackTrace();
        } catch (IllegalStateException e) {
            // TODO Auto-generated catch block
            prepared = false;
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            prepared = false;
            e.printStackTrace();
        }
        return prepared;
    }

    @Override
    protected void onPostExecute(Boolean result) {
        // TODO Auto-generated method stub
        super.onPostExecute(result);
        if (progress.isShowing()) {
            progress.cancel();
        }
        Log.d("Prepared", "//" + result);
        mediaPlayer.start();

        intialStage = false;
    }

    public Player() {
        progress = new ProgressDialog(MainActivity.this);
    }

    @Override
    protected void onPreExecute() {
        // TODO Auto-generated method stub
        super.onPreExecute();
        this.progress.setMessage("Buffering...");
        this.progress.show();

    }
}

@Override
protected void onPause() {
    // TODO Auto-generated method stub
    super.onPause();
    if (mediaPlayer != null) {
        mediaPlayer.reset();
        mediaPlayer.release();
        mediaPlayer = null;
    }
}

reloadRowsAtIndexPaths: is fine, but still will force UITableViewDelegate methods to fire.

The simplest approach I can imagine is:

UITableViewCell* cell = [self.tableView cellForRowAtIndexPath:indexPath];
[self configureCell:cell forIndexPath:indexPath];

It's important to invoke your configureCell: implementation on main thread, as it wont work on non-UI thread (the same story with reloadData/reloadRowsAtIndexPaths:). Sometimes it might be helpful to add:

dispatch_async(dispatch_get_main_queue(), ^
{
    [self configureCell:cell forIndexPath:indexPath];
});

It's also worth to avoid work that would be done outside of the currently visible view:

BOOL cellIsVisible = [[self.tableView indexPathsForVisibleRows] indexOfObject:indexPath] != NSNotFound;
if (cellIsVisible)
{
    ....
}

This works in webpack 3:

in the webpack.config.babel.js file:

resolve: {
    alias: {
         jquery: "jquery/src/jquery"
    },
 ....
}

And use ProvidePlugin

new webpack.ProvidePlugin({
        '$': 'jquery',
        'jQuery': 'jquery',
    })

Regex won't help much. First of all, you will want to take into account the operators precedence, and second, you need to work with parentheses which is impossible with regex.

Depending on what exactly kind of expression you need to parse, you may try either Python AST or (more likely) pyparsing. But, first of all, I'd recommend to read something about syntax analysis in general and the Shunting yard algorithm in particular.

And fight the temptation of using eval, that's not safe.

Topics are for the publisher-subscriber model, while queues are for point-to-point.

instead of clearing the name text use placeholder attribute it is good practice

<input type="text" placeholder="name"  name="name">

Here's how you can do it

By default, the Terminal has these shortcuts to move (left and right) word-by-word:

• esc+B (left)
• esc+F (right)

You can configure alt+← and → to generate those sequences for you:

• Open Terminal preferences (cmd+,);
• At Settings tab, select Keyboard and double-click ? ? if it's there, or add it if it's not.
• Set the modifier as desired, and type the shortcut key in the box: esc+B, generating the text \033b (you can't type this text manually).
• Repeat for word-right (esc+F becomes \033f)

Alternatively, you can refer to this blog post over at textmate:

http://blog.macromates.com/2006/word-movement-in-terminal/

Note that this may also work:

SELECT * FROM table WHERE s=ANY(array)

Tried to do the solution with:

body {
  overflow-y: scroll;
}

But I ended up with two scrollbars in Firefox in this case. So I recommend to use it on the html element like this:

html {
  overflow-y: scroll;
}

Edit:

Are you trying to do sth like this? See: http://twitter.github.com/bootstrap/javascript.html#tabs

See the working example: http://jsfiddle.net/U6aKT/

<a href="#id">go to id</a>
<div style="margin-top:2000px;"></div>
<a id="id">id</a>

Dec 2020

You can use the gdown.

• pip install gdown
• gdown https://drive.google.com/uc?id=file_id

The file_id should look something like 0Bz8a_Dbh9QhbNU3SGlFaDg

You can get it by right clicking on the file and then Get shareable link. Only work on open access files (Anyone who has a link can View). Does not work for directories. Tested on Google Colab. Works best on file download. Use tar/zip to make it a single file.

Example: to download the readme file from this directory

gdown https://drive.google.com/uc?id=0B7EVK8r0v71pOXBhSUdJWU1MYUk

The other answers are preferable, but for a pure Bash solution, I've modified the script in my answer here to be able to output a continuous stream of hex characters representing the contents of a file. (Its normal mode is to emulate hexdump -C.)

first, get the container id of the desired container by

docker ps

you will get something like this:

CONTAINER ID        IMAGE                  COMMAND             CREATED             STATUS                          PORTS                    NAMES
3ac548b6b315        frontend_react-web     "npm run start"     48 seconds ago      Up 47 seconds                   0.0.0.0:3000->3000/tcp   frontend_react-web_1

now copy this container id and run the following command:

docker exec -it container_id sh

docker exec -it 3ac548b6b315 sh

Alternatively (since Git 1.8.4), it is also possible to just get all the commits which has changed a specific part of a file. You can get this by passing the starting line and the ending line number.

The result returned would be the list of commits that modified this particular part. The command goes like:

git log --pretty=short -u -L <upperLimit>,<lowerLimit>:<path_to_filename>

where upperLimit is the start_line_number and lowerLimit is the ending_line_number

More Info - https://www.techpurohit.com/list-some-useful-git-commands

select propety

Row Source Type => Value List

Code :

ListbName.ColumnCount=2

ListbName.AddItem "value column1;value column2"

It's very simple.

1. Create a new empty repository in GitHub (without readme or license, you can add them later) and the following screen will show.

2. In the import code option, paste your Bitbucket repo's URL and voilà!!

class MY_Controller extends CI_Controller {

    public $CI = NULL;

    public function __construct() {
        parent::__construct();
        $this->CI = & get_instance();
    }

    public function yourMethod() {

    }

}

// in view just call
$this->CI->yourMethod();

In case anyone using Spring, there is a class org.springframework.util.comparator.NullSafeComparator that does this for you as well. Just decorate your own comparable with it like this

new NullSafeComparator<YourObject>(new YourComparable(), true)

https://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/util/comparator/NullSafeComparator.html

Syntax:

ALTER TABLE TABLE_NAME DROP COLUMN COLUMN_NAME;

For Example:

alter table Employee drop column address;

For those who are still trying, this link helped me out, too; it just puts it all together:

http://dotnetslackers.com/VB_NET/re-36138_How_To_Get_Selected_Date_from_MonthCalendar_control.aspx

private void MonthCalendar1_DateChanged(object sender, System.Windows.Forms.DateRangeEventArgs e)
{
//Display the dates for selected range
Label1.Text = "Dates Selected from :" + (MonthCalendar1.SelectionRange.Start() + " to " + MonthCalendar1.SelectionRange.End);

//To display single selected of date
//MonthCalendar1.MaxSelectionCount = 1;

//To display single selected of date use MonthCalendar1.SelectionRange.Start/ MonthCalendarSelectionRange.End
Label2.Text = "Date Selected :" + MonthCalendar1.SelectionRange.Start;
}

Combining the two answers:

First create sql to make all index unusable:

alter session set skip_unusable_indexes = true;
select 'alter index ' || u.index_name || ' unusable;' from user_indexes u;

Do import...

select 'alter index ' || u.index_name || ' rebuild online;' from user_indexes u;

With jQuery it will be something like that:

$(document).ready(function() {
  $('#yourDiv').on('mousedown', function(e) {
      e.preventDefault();
  });
});

In my case I wanted to disable the user from drop text in the inputs so I used "drop" instead "mousedown".

$(document).ready(function() {
  $('input').on('drop', function(event) {
    event.preventDefault();
  });
});

Instead event.preventDefault() you can return false. Here's the difference.

And the code:

$(document).ready(function() {
  $('input').on('drop', function() {
    return false;
  });
});

After attempting all of the above solutions to eliminate the "curl: (60) SSL certificate problem: unable to get local issuer certificate" error, the solution that finally worked for me on OSX 10.9 was:

1. Locate the curl certificate PEM file location 'curl-config --ca' -- > /usr/local/etc/openssl/cert.pem

2. Use the folder location to identify the PEM file 'cd /usr/local/etc/openssl'

3. Create a backup of the cert.pem file 'cp cert.pem cert_pem.bkup'

4. Download the updated Certificate file from the curl website 'sudo wget http://curl.haxx.se/ca/cacert.pem'

5. Copy the downloaded PEM file to replace the old PEM file 'cp cacert.pem cert.pem'

   This is a modified version of a solution posted to correct the same issue in Ubuntu found here:

https://serverfault.com/questions/151157/ubuntu-10-04-curl-how-do-i-fix-update-the-ca-bundle

You can disable caching globally using $.ajaxSetup(), for example:

$.ajaxSetup({ cache: false });

This appends a timestamp to the querystring when making the request. To turn cache off for a particular $.ajax() call, set cache: false on it locally, like this:

$.ajax({
  cache: false,
  //other options...
});

PostgreSQL drivers jars are included in Central Repository of Maven:

• List of included versions of PostgreSQL drivers.

For PostgreSQL up to 9.1, use:

<dependency>
    <groupId>postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <version>VERSION</version>
</dependency>

or for 9.2+

<dependency>
    <groupId>org.postgresql</groupId>
    <artifactId>postgresql</artifactId>
    <version>VERSION</version>
</dependency>

(Thanks to @Caspar for the correction)

For me, the mysql server was not running. So, i started the mysql server through

mysql.server start

then

mysql_secure_installation

to secure the server and now I can visit the MySQL server through

mysql -u root -p

or

sudo mysql -u root -p

depending on your installation.

If it is something that you reference but never mutate, then use const:

declare const bootbox;

Take a look at the System log in Windows EventViewer (eventvwr from the command line).
You should see entries with source as 'Service Control Manager'. e.g. on my WinXP machine,

Event Type: Information
Event Source:   Service Control Manager
Event Category: None
Event ID:   7036
Date:       7/1/2009
Time:       12:09:43 PM
User:       N/A
Computer:   MyMachine
Description:
The Background Intelligent Transfer Service service entered the running state.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

I saw earlier answers which have been given for reloading the activity using Intent. Those will work but you can also do the same using recreate() method given in Activity class itself.

Instead of writing this

// Refresh main activity upon close of dialog box

Intent refresh = new Intent(this, clsMainUIActivity.class);
startActivity(refresh);
this.finish();

This can be done by writing this only

recreate();

bool IsExist = System.IO.Directory.Exists(HttpContext.Current.Server.MapPath("/UploadedFiles/"));
if (!IsExist)
    System.IO.Directory.CreateDirectory(HttpContext.Current.Server.MapPath("/UploadedFiles/"));

StreamWriter textWriter = File.CreateText(Path.Combine(HttpContext.Current.Server.MapPath("/UploadedFiles/") + "FileName.csv"));
var csvWriter = new CsvWriter(textWriter, System.Globalization.CultureInfo.CurrentCulture);
csvWriter.WriteRecords(classVM);

Here is my solution:

chrome.runtime.onMessage.addListener(function(request, sender) {
        if (request.action == "getSource") {
            this.pageSource = request.source;
            var title = this.pageSource.match(/<title[^>]*>([^<]+)<\/title>/)[1];
            alert(title)
        }
    });

    chrome.tabs.query({ active: true, currentWindow: true }, tabs => {
        chrome.tabs.executeScript(
            tabs[0].id,
            { code: 'var s = document.documentElement.outerHTML; chrome.runtime.sendMessage({action: "getSource", source: s});' }
        );
    });

With async/await of ES2016 (and maybe some features of ES2018), this can be reduced to this form:

function readFile(file) {
  ... // Returns a promise.
}

async function readFiles(files) {
  for (file in files) {
     await readFile(file)
  }
}

I haven't seen another answer express that simplicity. The OP said parallel execution of readFile was not desired. However, with IO like this it really makes sense to not be blocking on a single file read, while keeping the loop execution synchronous (you don't want to do the next step until all files have been read). Since I just learned about this and am a bit excited about it, I'll share that approach of parallel asynchronous execution of readFile with overall synchronous execution of readFiles.

async function readFiles(files) {
  await Promise.all(files.map(readFile))
}

Isn't that a thing of beauty?

If you are using the 'pylab' for interactive plotting you can set the labelsize at creation time with pylab.ylabel('Example', fontsize=40).

If you use pyplot programmatically you can either set the fontsize on creation with ax.set_ylabel('Example', fontsize=40) or afterwards with ax.yaxis.label.set_size(40).

Adding below to server.js resolved mine

    server.post('/your-rest-endpt/*', function(req,res){
    console.log('');
    console.log('req.url: '+req.url);
    console.log('req.headers: ');   
    console.dir(req.headers);
    console.log('req.body: ');
    console.dir(req.body);  

    var options = {
        host: 'restAPI-IP' + ':' + '8080'

        , protocol: 'http'
        , pathname: 'your-rest-endpt/'
    };
    console.log('options: ');
    console.dir(options);   

    var reqUrl = url.format(options);
    console.log("Forward URL: "+reqUrl);

    var parsedUrl = url.parse(req.url, true);
    console.log('parsedUrl: ');
    console.dir(parsedUrl);

    var queryParams = parsedUrl.query;

    var path = parsedUrl.path;
    var substr = path.substring(path.lastIndexOf("rest/"));
    console.log('substr: ');
    console.dir(substr);

    reqUrl += substr;
    console.log("Final Forward URL: "+reqUrl);

    var newHeaders = {
    };

    //Deep-copy it, clone it, but not point to me in shallow way...
    for (var headerKey in req.headers) {
        newHeaders[headerKey] = req.headers[headerKey];
    };

    var newBody = (req.body == null || req.body == undefined ? {} : req.body);

    if (newHeaders['Content-type'] == null
            || newHeaders['Content-type'] == undefined) {
        newHeaders['Content-type'] = 'application/json';
        newBody = JSON.stringify(newBody);
    }

    var requestOptions = {
        headers: {
            'Content-type': 'application/json'
        }
        ,body: newBody
        ,method: 'POST'
    };

    console.log("server.js : routes to URL : "+ reqUrl);

    request(reqUrl, requestOptions, function(error, response, body){
        if(error) {
            console.log('The error from Tomcat is --> ' + error.toString());
            console.dir(error);
            //return false;
        }

        if (response.statusCode != null 
                && response.statusCode != undefined
                && response.headers != null
                && response.headers != undefined) {
            res.writeHead(response.statusCode, response.headers);
        } else {
            //404 Not Found
            res.writeHead(404);         
        }
        if (body != null
                && body != undefined) {

            res.write(body);            
        }
        res.end();
    });
});

I don't think mongodb supports this type of selective upserting. I have the same problem as LeMiz, and using update(criteria, newObj, upsert, multi) doesn't work right when dealing with both a 'created' and 'updated' timestamp. Given the following upsert statement:

update( { "name": "abc" }, 
        { $set: { "created": "2010-07-14 11:11:11", 
                  "updated": "2010-07-14 11:11:11" }},
        true, true ) 

Scenario #1 - document with 'name' of 'abc' does not exist: New document is created with 'name' = 'abc', 'created' = 2010-07-14 11:11:11, and 'updated' = 2010-07-14 11:11:11.

Scenario #2 - document with 'name' of 'abc' already exists with the following: 'name' = 'abc', 'created' = 2010-07-12 09:09:09, and 'updated' = 2010-07-13 10:10:10. After the upsert, the document would now be the same as the result in scenario #1. There's no way to specify in an upsert which fields be set if inserting, and which fields be left alone if updating.

My solution was to create a unique index on the critera fields, perform an insert, and immediately afterward perform an update just on the 'updated' field.

So there's loads of posts on the web that show how to do this, I've found 3 ways, same as pointed out by Johan & Sjoerd. I couldn't get any of these queries to work, well obviously they work fine it's my database that's not working correctly and those queries all ran slow.

So I worked out another way that someone else may find useful:

The basic jist of it is to create a temporary table and fill it with all the information, then remove all the rows that ARE in the other table.

So I did these 3 queries, and it ran quickly (in a couple moments).

CREATE TEMPORARY TABLE

`database1`.`newRows`

SELECT

`t1`.`id` AS `columnID`

FROM

`database2`.`table` AS `t1`

.

CREATE INDEX `columnID` ON `database1`.`newRows`(`columnID`)

.

DELETE FROM `database1`.`newRows`

WHERE

EXISTS(
    SELECT `columnID` FROM `database1`.`product_details` WHERE `columnID`=`database1`.`newRows`.`columnID`
)

You are trying to read xls with explicit implementation poi classes for xlsx.

G:\Selenium Jar Files\TestData\Data.xls

Either use HSSFWorkbook and HSSFSheet classes or make your implementation more generic by using shared interfaces, like;

Change:

XSSFWorkbook workbook = new XSSFWorkbook(file);

To:

 org.apache.poi.ss.usermodel.Workbook workbook = WorkbookFactory.create(file);

And Change:

XSSFSheet sheet = workbook.getSheetAt(0);

To:

org.apache.poi.ss.usermodel.Sheet sheet = workbook.getSheetAt(0);

For everyone using editors like Komodo Edit (win10) add sys.stdout.flush() to:

def mp_worker((inputs, the_time)):
    print " Process %s\tWaiting %s seconds" % (inputs, the_time)
    time.sleep(int(the_time))
    print " Process %s\tDONE" % inputs
    sys.stdout.flush()

or as first line to:

    if __name__ == '__main__':
       sys.stdout.flush()

This helps to see what goes on during the run of the script; in stead of having to look at the black command line box.

Add the below code

input[type="submit"]:hover {
    border: 1px solid #999;
    color: #000;
}

If you need only for these button then you can add id name

#paginate input[type="submit"]:hover {
    border: 1px solid #999;
    color: #000;
}

DEMO

You can have a different goroutine that detects syscall.SIGINT and syscall.SIGTERM signals and relay them to a channel using signal.Notify. You can send a hook to that goroutine using a channel and save it in a function slice. When the shutdown signal is detected on the channel, you can execute those functions in the slice. This can be used to clean up the resources, wait for running goroutines to finish, persist data, or print partial run totals.

I wrote a small and simple utility to add and run hooks at shutdown. Hope it can be of help.

https://github.com/ankit-arora/go-utils/blob/master/go-shutdown-hook/shutdown-hook.go

You can do this in a 'defer' fashion.

example for shutting down a server gracefully :

srv := &http.Server{}

go_shutdown_hook.ADD(func() {
    log.Println("shutting down server")
    srv.Shutdown(nil)
    log.Println("shutting down server-done")
})

l, err := net.Listen("tcp", ":3090")

log.Println(srv.Serve(l))

go_shutdown_hook.Wait()

Use DateTime.Today property. It will return date component of DateTime.Now. It is equivalent of DateTime.Now.Date.

What it does

Maven is a "build management tool", it is for defining how your .java files get compiled to .class, packaged into .jar (or .war or .ear) files, (pre/post)processed with tools, managing your CLASSPATH, and all others sorts of tasks that are required to build your project. It is similar to Apache Ant or Gradle or Makefiles in C/C++, but it attempts to be completely self-contained in it that you shouldn't need any additional tools or scripts by incorporating other common tasks like downloading & installing necessary libraries etc.

It is also designed around the "build portability" theme, so that you don't get issues as having the same code with the same buildscript working on one computer but not on another one (this is a known issue, we have VMs of Windows 98 machines since we couldn't get some of our Delphi applications compiling anywhere else). Because of this, it is also the best way to work on a project between people who use different IDEs since IDE-generated Ant scripts are hard to import into other IDEs, but all IDEs nowadays understand and support Maven (IntelliJ, Eclipse, and NetBeans). Even if you don't end up liking Maven, it ends up being the point of reference for all other modern builds tools.

Why you should use it

There are three things about Maven that are very nice.

1. Maven will (after you declare which ones you are using) download all the libraries that you use and the libraries that they use for you automatically. This is very nice, and makes dealing with lots of libraries ridiculously easy. This lets you avoid "dependency hell". It is similar to Apache Ant's Ivy.

2. It uses "Convention over Configuration" so that by default you don't need to define the tasks you want to do. You don't need to write a "compile", "test", "package", or "clean" step like you would have to do in Ant or a Makefile. Just put the files in the places in which Maven expects them and it should work off of the bat.

3. Maven also has lots of nice plug-ins that you can install that will handle many routine tasks from generating Java classes from an XSD schema using JAXB to measuring test coverage with Cobertura. Just add them to your pom.xml and they will integrate with everything else you want to do.

The initial learning curve is steep, but (nearly) every professional Java developer uses Maven or wishes they did. You should use Maven on every project although don't be surprised if it takes you a while to get used to it and that sometimes you wish you could just do things manually, since learning something new sometimes hurts. However, once you truly get used to Maven you will find that build management takes almost no time at all.

How to Start

The best place to start is "Maven in 5 Minutes". It will get you start with a project ready for you to code in with all the necessary files and folders set-up (yes, I recommend using the quickstart archetype, at least at first).

After you get started you'll want a better understanding over how the tool is intended to be used. For that "Better Builds with Maven" is the most thorough place to understand the guts of how it works, however, "Maven: The Complete Reference" is more up-to-date. Read the first one for understanding, but then use the second one for reference.

You need to define a class for the bullets you want to hide. For examples

.no-bullets {
    list-style-type: none;
}

Then apply it to the list you want hidden bullets:

<ul class="no-bullets">

All other lists (without a specific class) will show the bulltets as usual.

I dont think youre returning json object from server. just a string.

you need the dataType of the return object to be json

See .offset() here in the jQuery doc. It gives the position relative to the document, not to the parent. You perhaps have .offset() and .position() confused. If you want the position in the window instead of the position in the document, you can subtract off the .scrollTop() and .scrollLeft() values to account for the scrolled position.

Here's an excerpt from the doc:

The .offset() method allows us to retrieve the current position of an element relative to the document. Contrast this with .position(), which retrieves the current position relative to the offset parent. When positioning a new element on top of an existing one for global manipulation (in particular, for implementing drag-and-drop), .offset() is the more useful.

To combine these:

var offset = $("selector").offset();
var posY = offset.top - $(window).scrollTop();
var posX = offset.left - $(window).scrollLeft(); 

You can try it here (scroll to see the numbers change): http://jsfiddle.net/jfriend00/hxRPQ/

Quick Answer

You should use the equals method since this is implemented to perform the comparison you want. toString() itself uses an iterator just like equals but it is a more inefficient approach. Additionally, as @Teepeemm pointed out, toString is affected by order of elements (basically iterator return order) hence is not guaranteed to provide the same output for 2 different maps (especially if we compare two different maps).

Note/Warning: Your question and my answer assume that classes implementing the map interface respect expected toString and equals behavior. The default java classes do so, but a custom map class needs to be examined to verify expected behavior.

See: http://docs.oracle.com/javase/7/docs/api/java/util/Map.html

boolean equals(Object o)

Compares the specified object with this map for equality. Returns true if the given object is also a map and the two maps represent the same mappings. More formally, two maps m1 and m2 represent the same mappings if m1.entrySet().equals(m2.entrySet()). This ensures that the equals method works properly across different implementations of the Map interface.

Implementation in Java Source (java.util.AbstractMap)

Additionally, java itself takes care of iterating through all elements and making the comparison so you don't have to. Have a look at the implementation of AbstractMap which is used by classes such as HashMap:

 // Comparison and hashing

    /**
     * Compares the specified object with this map for equality.  Returns
     * <tt>true</tt> if the given object is also a map and the two maps
     * represent the same mappings.  More formally, two maps <tt>m1</tt> and
     * <tt>m2</tt> represent the same mappings if
     * <tt>m1.entrySet().equals(m2.entrySet())</tt>.  This ensures that the
     * <tt>equals</tt> method works properly across different implementations
     * of the <tt>Map</tt> interface.
     *
     * <p>This implementation first checks if the specified object is this map;
     * if so it returns <tt>true</tt>.  Then, it checks if the specified
     * object is a map whose size is identical to the size of this map; if
     * not, it returns <tt>false</tt>.  If so, it iterates over this map's
     * <tt>entrySet</tt> collection, and checks that the specified map
     * contains each mapping that this map contains.  If the specified map
     * fails to contain such a mapping, <tt>false</tt> is returned.  If the
     * iteration completes, <tt>true</tt> is returned.
     *
     * @param o object to be compared for equality with this map
     * @return <tt>true</tt> if the specified object is equal to this map
     */
    public boolean equals(Object o) {
        if (o == this)
            return true;

        if (!(o instanceof Map))
            return false;
        Map<K,V> m = (Map<K,V>) o;
        if (m.size() != size())
            return false;

        try {
            Iterator<Entry<K,V>> i = entrySet().iterator();
            while (i.hasNext()) {
                Entry<K,V> e = i.next();
                K key = e.getKey();
                V value = e.getValue();
                if (value == null) {
                    if (!(m.get(key)==null && m.containsKey(key)))
                        return false;
                } else {
                    if (!value.equals(m.get(key)))
                        return false;
                }
            }
        } catch (ClassCastException unused) {
            return false;
        } catch (NullPointerException unused) {
            return false;
        }

        return true;
    }

Comparing two different types of Maps

toString fails miserably when comparing a TreeMap and HashMap though equals does compare contents correctly.

Code:

public static void main(String args[]) {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("2", "whatever2");
map.put("1", "whatever1");
TreeMap<String, Object> map2 = new TreeMap<String, Object>();
map2.put("2", "whatever2");
map2.put("1", "whatever1");

System.out.println("Are maps equal (using equals):" + map.equals(map2));
System.out.println("Are maps equal (using toString().equals()):"
        + map.toString().equals(map2.toString()));

System.out.println("Map1:"+map.toString());
System.out.println("Map2:"+map2.toString());
}

Output:

Are maps equal (using equals):true
Are maps equal (using toString().equals()):false
Map1:{2=whatever2, 1=whatever1}
Map2:{1=whatever1, 2=whatever2}

I just wanted to illustrate that the built-in solutions (SQL-only) are not always the best ones. At first I thought that because Django's QuerySet.objects.order_by method accepts multiple arguments, you could easily chain them:

ordered_authors = Author.objects.order_by('-score', 'last_name')[:30]

But, it does not work as you would expect. Case in point, first is a list of presidents sorted by score (selecting top 5 for easier reading):

>>> auths = Author.objects.order_by('-score')[:5]
>>> for x in auths: print x
... 
James Monroe (487)
Ulysses Simpson (474)
Harry Truman (471)
Benjamin Harrison (467)
Gerald Rudolph (464)

Using Alex Martelli's solution which accurately provides the top 5 people sorted by last_name:

>>> for x in sorted(auths, key=operator.attrgetter('last_name')): print x
... 
Benjamin Harrison (467)
James Monroe (487)
Gerald Rudolph (464)
Ulysses Simpson (474)
Harry Truman (471)

And now the combined order_by call:

>>> myauths = Author.objects.order_by('-score', 'last_name')[:5]
>>> for x in myauths: print x
... 
James Monroe (487)
Ulysses Simpson (474)
Harry Truman (471)
Benjamin Harrison (467)
Gerald Rudolph (464)

As you can see it is the same result as the first one, meaning it doesn't work as you would expect.

Odd nobody's mentioned ctags. Download "exuberant ctags" and put it ahead of the crappy preinstalled version you already have in your search path. Cd to the root of whatever you're working on; for example the Android kernel distribution. Type "ctags -R ." to build an index of source files anywhere beneath that dir in a file named "tags". This contains all tags, nomatter the language nor where in the dir, in one file, so cross-language work is easy.

Then open vim in that folder and read :help ctags for some commands. A few I use often:

• Put cursor on a method call and type CTRL-] to go to the method definition.

• Type :ta name to go to the definition of name.

For Python 3:

import collections.abc

if isinstance(obj, collections.abc.Sequence) and not isinstance(obj, str):
    print("obj is a sequence (list, tuple, etc) but not a string")

Changed in version 3.3: Moved Collections Abstract Base Classes to the collections.abc module. For backwards compatibility, they will continue to be visible in this module as well until version 3.8 where it will stop working.

For Python 2:

import collections

if isinstance(obj, collections.Sequence) and not isinstance(obj, basestring):
    print "obj is a sequence (list, tuple, etc) but not a string or unicode"

Simply:

For Each ctrl In Me.Controls.OfType(Of Button)()
   ctrl.Text = "Hello World!"
Next

The error for me was that I read the SQL statement from a text file, and the text file was saved in the UTF-8 with BOM (byte order mark) format.

To solve this, I opened the file in Notepad++ and under Encoding, chose UTF-8. Alternatively you can remove the first three bytes of the file with a hex editor.

For me both these methods didn't work:

• navigationView.getMenu().getItem(0).setChecked(true);
• navigationView.setCheckedItem(id);

Try this one, it works for me.

onNavigationItemSelected(navigationView.getMenu().findItem(R.id.nav_profile));

Your code loops until it reads a single word, then exits. So if you give it multiple words it will read the first and exit, while if you give it an empty input, it will loop forever. In any case, it will only print random garbage from uninitialized memory. This is apparently not what you want, but what do you want? If you just want to read and print the first word (if it exists), use if:

if (scanf("%15s", word) == 1)
    printf("%s\n", word);

If you want to loop as long as you can read a word, use while:

while (scanf("%15s", word) == 1)
    printf("%s\n", word);

Also, as others have noted, you need to give the word array a size that is big enough for your scanf:

char word[16];

Others have suggested testing for EOF instead of checking how many items scanf matched. That's fine for this case, where scanf can't fail to match unless there's an EOF, but is not so good in other cases (such as trying to read integers), where scanf might match nothing without reaching EOF (if the input isn't a number) and return 0.

edit

Looks like you changed your question to match my code which works fine when I run it -- loops reading words until EOF is reached and then exits. So something else is going on with your code, perhaps related to how you are feeding it input as suggested by David

public List<Object> GetProjectForCombo()
{
    using (MyDataContext db = new MyDataContext (DBHelper.GetConnectionString()))
     {
         var query = from pro in db.Projects
                     select new {pro.ProjectName,pro.ProjectId};

         return query.ToList<Object>();
    }
}

The default argument allows you to call the function without passing an argument. If you don't pass the argument, then the default argument is supplied. So using your code, this...

test()

...is exactly the same as this:

test(nil)

If you leave out the default argument like this...

func test(firstThing: Int?) {
    if firstThing != nil {
        print(firstThing!)
    }
    print("done")
}

...then you can no longer do this...

test()

If you do, you will get the "missing argument" error that you described. You must pass an argument every time, even if that argument is just nil:

test(nil)   // this works

For @angular/cli v6.2.1

The project configuration file angular.json is able to handle multiple projects (workspaces) which can be individually served.

ng config projects.my-test-project.targets.serve.options.port 4201

Where the my-test-project part is the project name what you set with the ng new command just like here:

$ ng new my-test-project
$ cd my-test-project
$ ng config projects.my-test-project.targets.serve.options.port 4201
$ ng serve
** Angular Live Development Server is listening on localhost:4201, open your browser on http://localhost:4201/ **

Legacy:

I usually use the ng set command to change the Angular CLI settings for project level.

ng set defaults.serve.port=4201

It changes change your .angular.cli.json and adds the port settings as it mentioned earlier.

After this change you can use simply ng serve and it going to use the prefered port without the need of specifying it every time.

For Xcode 11 on macOS 10.14, this can happen even after installing Xcode and installing command-line tools and accepting the license with

sudo xcode-select --install
sudo xcodebuild -license accept

The issue is that Xcode 11 ships the macOS 10.15 SDK which includes headers for ruby2.6, but not for macOS 10.14's ruby2.3. You can verify that this is your problem by running

ruby -rrbconfig -e 'puts RbConfig::CONFIG["rubyhdrdir"]'

which on macOS 10.14 with Xcode 11 prints the non-existent path

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0

However, Xcode 11 installs a macOS 10.14 SDK within /Library/Developer/CommandLineTools/SDKs/MacOS10.14.sdk. It isn't necessary to pollute the system directories by installing the old header files as suggested in other answers. Instead, by selecting that SDK, the appropriate ruby2.3 headers will be found:

sudo xcode-select --switch /Library/Developer/CommandLineTools
ruby -rrbconfig -e 'puts RbConfig::CONFIG["rubyhdrdir"]'

This should now correctly print

/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0

Likewise, gem install should work while that SDK is selected.

To switch back to the current Xcode SDK, use

sudo xcode-select --switch /Applications/Xcode.app

You can try to use the bringChildToFront, you can check if this documentation is helpful in the Android Developers page.

Wamp server default disk is "C:\" if you install it to another disk for ex G:\: go to

1. g:\wamp\bin\apache\apache2.4.9\bin\

2 .call cmd

3 .execute httpd.exe -t

you will see errors

4. go to g:\wamp\bin\apache\apache2.4.9\conf\extra\httpd-autoindex.conf

5. change in line 23 to :

Alias /icons/ "g:/Apache24/icons/"

<Directory "g:/Apache24/icons">
    Options Indexes MultiViews
    AllowOverride None
    Require all granted
</Directory>

6. Restart All services. Done. Resolved

list1 = sorted(csv1, key=lambda x: (x[1], x[2]) )

I ran into the same problem. Placing a forward slash after the folder name worked for me.

ex: git add foldername/

I found a solution using set-url which is concise and fairly easy to understand:

1. create a new repo at Github
2. cd into the existing repository on your local machine (if you haven't cloned it yet, then do this first)
3. git remote set-url origin https://github.com/user/example.git
4. git push -u origin master

No need for any Java or Kotlin code to make it a clickable link, now you just need to follow given below code. And you can also link text color change by using textColorLink.

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:autoLink="web"
android:textColorLink="@color/white"/>

This questions is already answered here. Just put height: 100% in both the div and the container td.

The above behavior is happening because of Branch prediction.

To understand branch prediction one must first understand Instruction Pipeline:

Any instruction is broken into a sequence of steps so that different steps can be executed concurrently in parallel. This technique is known as instruction pipeline and this is used to increase throughput in modern processors. To understand this better please see this example on Wikipedia.

Generally, modern processors have quite long pipelines, but for ease let's consider these 4 steps only.

1. IF -- Fetch the instruction from memory
2. ID -- Decode the instruction
3. EX -- Execute the instruction
4. WB -- Write back to CPU register

4-stage pipeline in general for 2 instructions.

Moving back to the above question let's consider the following instructions:

                        A) if (data[c] >= 128)
                                /\
                               /  \
                              /    \
                        true /      \ false
                            /        \
                           /          \
                          /            \
                         /              \
              B) sum += data[c];          C) for loop or print().

Without branch prediction, the following would occur:

To execute instruction B or instruction C the processor will have to wait till the instruction A doesn't reach till EX stage in the pipeline, as the decision to go to instruction B or instruction C depends on the result of instruction A. So the pipeline will look like this.

when if condition returns true:

When if condition returns false:

As a result of waiting for the result of instruction A, the total CPU cycles spent in the above case (without branch prediction; for both true and false) is 7.

So what is branch prediction?

Branch predictor will try to guess which way a branch (an if-then-else structure) will go before this is known for sure. It will not wait for the instruction A to reach the EX stage of the pipeline, but it will guess the decision and go to that instruction (B or C in case of our example).

In case of a correct guess, the pipeline looks something like this:

If it is later detected that the guess was wrong then the partially executed instructions are discarded and the pipeline starts over with the correct branch, incurring a delay. The time that is wasted in case of a branch misprediction is equal to the number of stages in the pipeline from the fetch stage to the execute stage. Modern microprocessors tend to have quite long pipelines so that the misprediction delay is between 10 and 20 clock cycles. The longer the pipeline the greater the need for a good branch predictor.

In the OP's code, the first time when the conditional, the branch predictor does not have any information to base up prediction, so the first time it will randomly choose the next instruction. Later in the for loop, it can base the prediction on the history. For an array sorted in ascending order, there are three possibilities:

1. All the elements are less than 128
2. All the elements are greater than 128
3. Some starting new elements are less than 128 and later it become greater than 128

Let us assume that the predictor will always assume the true branch on the first run.

So in the first case, it will always take the true branch since historically all its predictions are correct. In the 2nd case, initially it will predict wrong, but after a few iterations, it will predict correctly. In the 3rd case, it will initially predict correctly till the elements are less than 128. After which it will fail for some time and the correct itself when it sees branch prediction failure in history.

In all these cases the failure will be too less in number and as a result, only a few times it will need to discard the partially executed instructions and start over with the correct branch, resulting in fewer CPU cycles.

But in case of a random unsorted array, the prediction will need to discard the partially executed instructions and start over with the correct branch most of the time and result in more CPU cycles compared to the sorted array.

For OS X my connection.xml files are in

/Users/<username>/.sqldeveloper/system<sqldeveloper_version>/o.jdeveloper.db.connection.<oracle_version?>/

I think that they should perform generally the same, but there are some differences. START is generally used to start applications or to start the default application for a given file type. That way if you START http://mywebsite.com it doesn't do START iexplore.exe http://mywebsite.com.

START myworddoc.docx would start Microsoft Word and open myworddoc.docx.CALL myworddoc.docx does the same thing... however START provides more options for the window state and things of that nature. It also allows process priority and affinity to be set.

In short, given the additional options provided by start, it should be your tool of choice.

START ["title"] [/D path] [/I] [/MIN] [/MAX] [/SEPARATE | /SHARED]
  [/LOW | /NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL]
  [/NODE <NUMA node>] [/AFFINITY <hex affinity mask>] [/WAIT] [/B]
  [command/program] [parameters]

"title"     Title to display in window title bar.
path        Starting directory.
B           Start application without creating a new window. The
            application has ^C handling ignored. Unless the application
            enables ^C processing, ^Break is the only way to interrupt
            the application.
I           The new environment will be the original environment passed
            to the cmd.exe and not the current environment.
MIN         Start window minimized.
MAX         Start window maximized.
SEPARATE    Start 16-bit Windows program in separate memory space.
SHARED      Start 16-bit Windows program in shared memory space.
LOW         Start application in the IDLE priority class.
NORMAL      Start application in the NORMAL priority class.
HIGH        Start application in the HIGH priority class.
REALTIME    Start application in the REALTIME priority class.
ABOVENORMAL Start application in the ABOVENORMAL priority class.
BELOWNORMAL Start application in the BELOWNORMAL priority class.
NODE        Specifies the preferred Non-Uniform Memory Architecture (NUMA)
            node as a decimal integer.
AFFINITY    Specifies the processor affinity mask as a hexadecimal number.
            The process is restricted to running on these processors.

            The affinity mask is interpreted differently when /AFFINITY and
            /NODE are combined.  Specify the affinity mask as if the NUMA
            node's processor mask is right shifted to begin at bit zero.
            The process is restricted to running on those processors in
            common between the specified affinity mask and the NUMA node.
            If no processors are in common, the process is restricted to
            running on the specified NUMA node.
WAIT        Start application and wait for it to terminate.

Make it the following:

.nav.navbar-nav.navbar-right li a {
    color: blue;
}

The above will target the specific links, which is what you want, versus styling the entire list blue, which is what you were initially doing. Here is a JsFiddle.

The other way would be creating another class and implementing it like so:

HTML

<li><a href="#" class="color-me"><span class="glyphicon glyphicon-list-alt"></span> R&eacute;sum&eacute;</a></li>

CSS

.color-me{
    color:blue;
}

Also demonstrated in this JsFiddle

function getFileName(path, isExtension){

  var fullFileName, fileNameWithoutExtension;

  // replace \ to /
  while( path.indexOf("\\") !== -1 ){
    path = path.replace("\\", "/");
  }

  fullFileName = path.split("/").pop();
  return (isExtension) ? fullFileName : fullFileName.slice( 0, fullFileName.lastIndexOf(".") );
}

Python 3 has the facility of Launching parallel tasks. This makes our work easier.

It has for thread pooling and Process pooling.

The following gives an insight:

ThreadPoolExecutor Example

import concurrent.futures
import urllib.request

URLS = ['http://www.foxnews.com/',
        'http://www.cnn.com/',
        'http://europe.wsj.com/',
        'http://www.bbc.co.uk/',
        'http://some-made-up-domain.com/']

# Retrieve a single page and report the URL and contents
def load_url(url, timeout):
    with urllib.request.urlopen(url, timeout=timeout) as conn:
        return conn.read()

# We can use a with statement to ensure threads are cleaned up promptly
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
    # Start the load operations and mark each future with its URL
    future_to_url = {executor.submit(load_url, url, 60): url for url in URLS}
    for future in concurrent.futures.as_completed(future_to_url):
        url = future_to_url[future]
        try:
            data = future.result()
        except Exception as exc:
            print('%r generated an exception: %s' % (url, exc))
        else:
            print('%r page is %d bytes' % (url, len(data)))

Another Example

import concurrent.futures
import math

PRIMES = [
    112272535095293,
    112582705942171,
    112272535095293,
    115280095190773,
    115797848077099,
    1099726899285419]

def is_prime(n):
    if n % 2 == 0:
        return False

    sqrt_n = int(math.floor(math.sqrt(n)))
    for i in range(3, sqrt_n + 1, 2):
        if n % i == 0:
            return False
    return True

def main():
    with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
        for number, prime in zip(PRIMES, executor.map(is_prime, PRIMES)):
            print('%d is prime: %s' % (number, prime))

if __name__ == '__main__':
    main()