Apparently the correct form is without the ""

As in

set JAVA_OPTS=-Xms512M -Xmx1024M

For those having the percentages in a pandas Series, here is my implemantation of the Largest remainder method (as in Varun Vohra's answer), where you can even select the decimals to which you want to round.

import numpy as np

def largestRemainderMethod(pd_series, decimals=1):

    floor_series = ((10**decimals * pd_series).astype(np.int)).apply(np.floor)
    diff = 100 * (10**decimals) - floor_series.sum().astype(np.int)
    series_decimals = pd_series - floor_series / (10**decimals)
    series_sorted_by_decimals = series_decimals.sort_values(ascending=False)

    for i in range(0, len(series_sorted_by_decimals)):
        if i < diff:
            series_sorted_by_decimals.iloc[[i]] = 1
        else:
            series_sorted_by_decimals.iloc[[i]] = 0

    out_series = ((floor_series + series_sorted_by_decimals) / (10**decimals)).sort_values(ascending=False)

    return out_series

Is there some reason why you think that:

while(in.hasNext())
{
    in.next();
    words++;
}

will not consume the entire input stream?

It will do so, meaning that your other two while loops will never iterate. That's why your values for words and lines are still set to zero.

You're probably better off reading the file one character at a time, increasing the character count each time through the loop, and also detecting the character to decide whether or not to increment the other counters.

Basically, wherever you find a \n, increase the line count - you should probably also do this if the last character in the stream wasn't \n.

And, whenever you transition from white-space to non-white-space, increase the word count (there'll probably be some tricky edge case processing at the stream beginning but that's an implementation issue).

You're looking at something like the following pseudo-code:

# Init counters and last character

charCount = 0
wordCount = 0
lineCount = 0
lastChar = ' '

# Start loop.

currChar = getNextChar()
while currChar != EOF:
    # Every character counts.

    charCount++;

    # Words only on whitespace transitions.

    if isWhite(lastChar) && !isWhite(currChar):
        wordCount++

    # Lines only on newline characters.

    if currChar == '\n':
        lineCount++;
    lastChar = currChar
    currChar = getNextChar()

# Handle incomplete last line.

if lastChar != '\n':
    lineCount++;

    /* To eliminate Duplicate rows */
    private void RemoveDuplicates(DataTable dt)
    {

        if (dt.Rows.Count > 0)
        {
            for (int i = dt.Rows.Count - 1; i >= 0; i--)
            {
                if (i == 0)
                {
                    break;
                }
                for (int j = i - 1; j >= 0; j--)
                {
                    if (Convert.ToInt32(dt.Rows[i]["ID"]) == Convert.ToInt32(dt.Rows[j]["ID"]) && dt.Rows[i]["Name"].ToString() == dt.Rows[j]["Name"].ToString())
                    {
                        dt.Rows[i].Delete();
                        break;
                    }
                }
            }
            dt.AcceptChanges();
        }
    }

The duplicate values in any column can be deleted with a simple for loop.

Sub remove()
Dim a As Long
For a = Cells(Rows.Count, 1).End(xlUp).Row To 1 Step -1
If WorksheetFunction.CountIf(Range("A1:A" & a), Cells(a, 1)) > 1 Then Rows(a).Delete
Next
End Sub

I found this article and tried the tutorial. Basically, you can use the date constructor to parse a date, then write get the seconds from the getTime() method

var d=new Date("October 13, 1975 11:13:00");
document.write(d.getTime() + " milliseconds since 1970/01/01");

Does this work?

HTML, CSS, JS are all good as given in above answers. However they won't stop user from clicking the loader and visiting page. And if page time is large, it looks broken and defeats the purpose.

So in CSS consider adding

pointer-events: none;
cursor: default;

Also, instead of using gif files, if you are using fontawesome which everybody uses now a days, consider using in your html

<i class="fa fa-spinner fa-spin">

All the approaches described did not work for me because I was adding the click event with on() to the document where the element was created at run-time:

$(document).on("click", ".button", function() {
    doSomething();
});

My workaround:

As I could not unbind the ".button" class I just assigned another class to the button that had the same CSS styles. By doing so the live/on-event-handler ignored the click finally:

// prevent another click on the button by assigning another class
$(".button").attr("class","buttonOff");

Hope that helps.

If you are using Ubuntu and PHP 7.2, use this...

sudo apt-get update
sudo apt-get install zip unzip php7.2-zip

scaleLabel : "<%= Number(value).toFixed(2).replace('.', ',') + ' $'%>"

Some addition to JoshRiver's answer according to my case;

var functionCallbacks = [];
    var functionLock = false;
    var getData = function (url, callback) {
                   if (functionLock) {
                        functionCallbacks.push(callback);
                   } else {
                       functionLock = true;
                       functionCallbacks.push(callback);
                        $.getJSON(url, function (data) {
                            while (functionCallbacks.length) {
                                var thisCallback = functionCallbacks.pop();
                                thisCallback(data);
                            }
                            functionLock = false;
                        });
                    }
                };

// Usage
getData("api/orders",function(data){
    barChart(data);
});
getData("api/orders",function(data){
  lineChart(data);
});

There will be just one api call and these two function will consume same result.

Well from its description it appears it tries to make the user agent's default style consistent across all browsers rather than stripping away all the default styling as a reset would.

Preserves useful defaults, unlike many CSS resets.

ddd is a graphical front-end to gdb that is pretty nice. One of the down sides is a classic X interface, but I seem to recall it being pretty intuitive.

str_replace will do the trick thusly

$new_str = str_replace(' ', '', $old_str);

After a server crash we had a site start giving the "HTTP 500.19 0x80070005 Error - Cannot read configuration file web.config" error. Normally it would be permissions or the anonymous user configuration, but those were set fine and hadn't changed. Suspecting something got corrupted in the IIS metabase (or in the in %windir%\system32\inetsrv\config\applicationHost.config since IIS7) I was able to get it back up and running by deleting the site in IIS and re-creating it.

In SQL Server 2008 and above just do this:

SELECT DATEADD(day, 1, Getdate()) AS DateAdd;

I had this same issue while trying to test a very similar function that uses a SELECT statement to decide if a INSERT or an UPDATE should be done. This function was a re-write of a T-SQL stored procedure.
When I tested the function from the query window I got the error "query has no destination for result data". I finally figured out that because I used a SELECT statement inside the function that I could not test the function from the query window until I assigned the results of the SELECT to a local variable using an INTO statement. This fixed the problem.

If the original function in this thread was changed to the following it would work when called from the query window,

$BODY$
DECLARE
   v_temp integer;
BEGIN
SELECT 1 INTO v_temp
FROM "USERS"
WHERE "userID" = $1;

You can use dictionaries to accomplish this. Dictionaries are stores of keys and values.

>>> dct = {'x': 1, 'y': 2, 'z': 3}
>>> dct
{'y': 2, 'x': 1, 'z': 3}
>>> dct["y"]
2

You can use variable key names to achieve the effect of variable variables without the security risk.

>>> x = "spam"
>>> z = {x: "eggs"}
>>> z["spam"]
'eggs'

For cases where you're thinking of doing something like

var1 = 'foo'
var2 = 'bar'
var3 = 'baz'
...

a list may be more appropriate than a dict. A list represents an ordered sequence of objects, with integer indices:

lst = ['foo', 'bar', 'baz']
print(lst[1])           # prints bar, because indices start at 0
lst.append('potatoes')  # lst is now ['foo', 'bar', 'baz', 'potatoes']

For ordered sequences, lists are more convenient than dicts with integer keys, because lists support iteration in index order, slicing, append, and other operations that would require awkward key management with a dict.

This was not as straightforward as I would have hoped. You need to use enumerate to keep track of how many columns you have. Then use that counter to look up the name of the column. The accepted answer does not show you how to access the column names dynamically.

for row in df.itertuples(index=False, name=None):
    for k,v in enumerate(row):
        print("column: {0}".format(df.columns.values[k]))
        print("value: {0}".format(v)

Let's say we have an external table called employee

hive> SHOW CREATE TABLE employee;
OK
CREATE EXTERNAL TABLE employee(
  id string,
  fname string,
  lname string, 
  salary double)
ROW FORMAT SERDE
  'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
WITH SERDEPROPERTIES (
  'colelction.delim'=':',
  'field.delim'=',',
  'line.delim'='\n',
  'serialization.format'=',')
STORED AS INPUTFORMAT
  'org.apache.hadoop.mapred.TextInputFormat'
OUTPUTFORMAT
  'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
LOCATION
  'maprfs:/user/hadoop/data/employee'
TBLPROPERTIES (
  'COLUMN_STATS_ACCURATE'='false',
  'numFiles'='0',
  'numRows'='-1',
  'rawDataSize'='-1',
  'totalSize'='0',
  'transient_lastDdlTime'='1487884795')

1. To create a person table like employee

   CREATE TABLE person LIKE employee;

2. To create a person external table like employee

   CREATE TABLE person LIKE employee LOCATION 'maprfs:/user/hadoop/data/person';

3. then use DESC person; to see the newly created table schema.

i do it with os.system temp file:

import tempfile,os
def readcmd(cmd):
    ftmp = tempfile.NamedTemporaryFile(suffix='.out', prefix='tmp', delete=False)
    fpath = ftmp.name
    if os.name=="nt":
        fpath = fpath.replace("/","\\") # forwin
    ftmp.close()
    os.system(cmd + " > " + fpath)
    data = ""
    with open(fpath, 'r') as file:
        data = file.read()
        file.close()
    os.remove(fpath)
    return data

Simple:

if string.isalpha():
    print("It's all letters")

str.isalpha() is only true if all characters in the string are letters:

Return true if all characters in the string are alphabetic and there is at least one character, false otherwise.

Demo:

>>> 'hello'.isalpha()
True
>>> '42hello'.isalpha()
False
>>> 'hel lo'.isalpha()
False

Great answer above. Another way is to use the great yaml jq wrapper tool, yq at https://github.com/kislyuk/yq

Save your JSON example to a file, say ex.json and then

yq -y '.' ex.json

AAPL:
- shares: -75.088
  date: 11/27/2015
- shares: 75.088
  date: 11/26/2015

Your query will work in MYSQL if you set to disable ONLY_FULL_GROUP_BY server mode (and by default It is). But in this case, you are using different RDBMS. So to make your query work, add all non-aggregated columns to your GROUP BY clause, eg

SELECT col1, col2, SUM(col3) totalSUM
FROM tableName
GROUP BY col1, col2

Non-Aggregated columns means the column is not pass into aggregated functions like SUM, MAX, COUNT, etc..

I am no expert, but I copy the .git folder to a new folder, then invoke: git reset --hard

Briefly:

1. Get the self signed certificate
2. Put it into some (e.g. ~/git-certs/cert.pem) file
3. Set git to trust this certificate using http.sslCAInfo parameter

In more details:

Get self signed certificate of remote server

Assuming, the server URL is repos.sample.com and you want to access it over port 443.

There are multiple options, how to get it.

Get certificate using openssl

$ openssl s_client -connect repos.sample.com:443

Catch the output into a file cert.pem and delete all but part between (and including) -BEGIN CERTIFICATE- and -END CERTIFICATE-

Content of resulting file ~/git-certs/cert.pem may look like this:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Get certificate using your web browser

I use Redmine with Git repositories and I access the same URL for web UI and for git command line access. This way, I had to add exception for that domain into my web browser.

Using Firefox, I went to Options -> Advanced -> Certificates -> View Certificates -> Servers, found there the selfsigned host, selected it and using Export button I got exactly the same file, as created using openssl.

Note: I was a bit surprised, there is no name of the authority visibly mentioned. This is fine.

Having the trusted certificate in dedicated file

Previous steps shall result in having the certificate in some file. It does not matter, what file it is as long as it is visible to your git when accessing that domain. I used ~/git-certs/cert.pem

Note: If you need more trusted selfsigned certificates, put them into the same file:

-----BEGIN CERTIFICATE-----
MIIDnzCCAocCBE/xnXAwDQYJKoZIhvcNAQEFBQAwgZMxCzAJBgNVBAYTAkRFMRUw
...........
/27/jIdVQIKvHok2P/u9tvTUQA==
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
AnOtHeRtRuStEdCeRtIfIcAtEgOeShErExxxxxxxxxxxxxxxxxxxxxxxxxxxxxxw
...........
/27/jIdVQIKvHok2P/u9tvTUQA==
-----END CERTIFICATE-----

This shall work (but I tested it only with single certificate).

Configure git to trust this certificate

$ git config --global http.sslCAInfo /home/javl/git-certs/cert.pem

You may also try to do that system wide, using --system instead of --global.

And test it: You shall now be able communicating with your server without resorting to:

$ git config --global http.sslVerify false #NO NEED TO USE THIS

If you already set your git to ignorance of ssl certificates, unset it:

$ git config --global --unset http.sslVerify

and you may also check, that you did it all correctly, without spelling errors:

$ git config --global --list

what should list all variables, you have set globally. (I mispelled http to htt).

Try this:

//using System.Security.Cryptography.X509Certificates;
public static X509Certificate2 selectCert(StoreName store, StoreLocation location, string windowTitle, string windowMsg)
{

    X509Certificate2 certSelected = null;
    X509Store x509Store = new X509Store(store, location);
    x509Store.Open(OpenFlags.ReadOnly);

    X509Certificate2Collection col = x509Store.Certificates;
    X509Certificate2Collection sel = X509Certificate2UI.SelectFromCollection(col, windowTitle, windowMsg, X509SelectionFlag.SingleSelection);

    if (sel.Count > 0)
    {
        X509Certificate2Enumerator en = sel.GetEnumerator();
        en.MoveNext();
        certSelected = en.Current;
    }

    x509Store.Close();

    return certSelected;
}

You can use with express ^4.15.4:

var express = require('express'),
    router = express.Router();
router.get('/', function (req, res, next) {
    console.log(req.query);
});

Hope this helps.

There are lots of different things about static and dynamic languages. For me, the main difference is that in dynamic languages the variables don't have fixed types; instead, the types are tied to values. Because of this, the exact code that gets executed is undetermined until runtime.

In early or naïve implementations this is a huge performance drag, but modern JITs get tantalizingly close to the best you can get with optimizing static compilers. (in some fringe cases, even better than that).

To diagnose it, follow this answer.

But to fix it, knowing you are the only one changing it, do:
1 - backup your project (I did only the files on git, ./src folder)
2 - git pull
3 - restore you backup over the many "messed" files (with merge indicators)

I tried git pull -s recursive -X ours but didnt work the way I wanted, it could be an option tho, but backup first!!!

Make sure the differences/changes (at git gui) are none. This is my case, there is nothing to merge at all, but github keeps saying I should merge...

How about not using strings at all...

This should work for any number of digits...

int[] nums = {1, 0, 2, 2, 1};

int retval = 0;

for (int digit : nums)
{
    retval *= 10;
    retval += digit;
}

System.out.println("Return value is: " + retval);

I have the same issue and I change any hostname that matches the local host name to 0.0.0.0, it seems to work after I do that.

step 1: add

<asp:FileUpload runat="server" id="fileUpload1" Multiple="Multiple">
    </asp:FileUpload>

step 2: add

Protected Sub uploadBtn_Click(sender As Object, e As System.EventArgs) Handles uploadBtn.Click
    Dim ImageFiles As HttpFileCollection = Request.Files
    For i As Integer = 0 To ImageFiles.Count - 1
        Dim file As HttpPostedFile = ImageFiles(i)
        file.SaveAs(Server.MapPath("Uploads/") & ImageFiles(i).FileName)
    Next

End Sub

Change the type from datetime to timestamp and it will work! I had the same issue for mysql 5.5.56-MariaDB - MariaDB Server Hope it can help... sorry if depricated

I've the same problem, and by the "trial and error" method I have the steps to install the guest additions on a MacOS guest:

1. insert the guest additions cd
2. open the cd on file manager
3. double click on VBoxDarwinAdditions.pkg
4. the installer opens, then click contine
5. next screen to set location of installed files, only press install
6. your password can be asked a couple of time while installing, write it and continue
7. this is the tricky part, on my installation, macos show an message about the driver created by oracle won't be installed because a security issue, it has the option to enable it, so click on the button to open security screen and click on the allow button next to the oracle software listed at bottom of the security settings window, it will ask your password again. Meanwhile the pkg installer continued as if it has permissions and will say "install finished", but I don't believe it so, once I unlocked the oracle drivers installations I repeat the whole process from step 3, and in the second round all installs without asking more than the first password to install.

And it is done!

[https://github.com/tensorflow/tensorflow/tree/master/tensorflow/examples/android][1]

For people trying out this example and facing issues with latest NDK. Can follow this solution. In build.gradle change this

classpath 'com.android.tools.build:gradle:3.0.1'

To

classpath 'com.android.tools.build:gradle:3.1.2'

The reason is mips are deprecated in the latest ndk versions, Gradle version 3.1.2 will not have a compulsion for mips. It assumes the presence for these missing folders.

What language?? There are different tools for almost every imaginable programming language, since they all have different syntactic rules and conventions.

Good ol' indent is a nice, customizable, command-line utility to format C and C++ programs.

notice, that code is:

std::abs((x - y)/x) <= epsilon

you are requiring that the "relative error" on the var is <= epsilon, not that the absolute difference is

If a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as

module Mods
  def self.foo
     puts "Mods.foo(self)"
  end
end

The module_function approach below will avoid breaking any classes which include all of Mods.

module Mods
  def foo
    puts "Mods.foo"
  end
end

class Includer
  include Mods
end

Includer.new.foo

Mods.module_eval do
  module_function(:foo)
  public :foo
end

Includer.new.foo # this would break without public :foo above

class Thing
  def bar
    Mods.foo
  end
end

Thing.new.bar  

However, I'm curious why a set of unrelated functions are all contained within the same module in the first place?

Edited to show that includes still work if public :foo is called after module_function :foo

I was getting similar problem for other reason (url pattern test-response not added in csrf token) I resolved it by allowing my URL pattern in following property in config/local.properties:

csrf.allowed.url.patterns = /[^/]+(/[^?])+(sop-response)$,/[^/]+(/[^?])+(merchant_callback)$,/[^/]+(/[^?])+(hop-response)$

modified to

csrf.allowed.url.patterns = /[^/]+(/[^?])+(sop-response)$,/[^/]+(/[^?])+(merchant_callback)$,/[^/]+(/[^?])+(hop-response)$,/[^/]+(/[^?])+(test-response)$

If I've understood this right, bootstrap provides a CSS class for just this case. Add 'pull-right' to the menu 'ul':

<ul class="dropdown-menu pull-right">

..and the end result is that the menu options appear right-aligned, in line with the button they drop down from.

In addition to other nice answers, a quote from Linux system programming written by Google's expert Robert Love:

Advantages of mmap( )

Manipulating files via mmap( ) has a handful of advantages over the standard read( ) and write( ) system calls. Among them are:

• Reading from and writing to a memory-mapped file avoids the extraneous copy that occurs when using the read( ) or write( ) system calls, where the data must be copied to and from a user-space buffer.

• Aside from any potential page faults, reading from and writing to a memory-mapped file does not incur any system call or context switch overhead. It is as simple as accessing memory.

• When multiple processes map the same object into memory, the data is shared among all the processes. Read-only and shared writable mappings are shared in their entirety; private writable mappings have their not-yet-COW (copy-on-write) pages shared.

• Seeking around the mapping involves trivial pointer manipulations. There is no need for the lseek( ) system call.

For these reasons, mmap( ) is a smart choice for many applications.

Disadvantages of mmap( )

There are a few points to keep in mind when using mmap( ):

• Memory mappings are always an integer number of pages in size. Thus, the difference between the size of the backing file and an integer number of pages is "wasted" as slack space. For small files, a significant percentage of the mapping may be wasted. For example, with 4 KB pages, a 7 byte mapping wastes 4,089 bytes.

• The memory mappings must fit into the process' address space. With a 32-bit address space, a very large number of various-sized mappings can result in fragmentation of the address space, making it hard to find large free contiguous regions. This problem, of course, is much less apparent with a 64-bit address space.

• There is overhead in creating and maintaining the memory mappings and associated data structures inside the kernel. This overhead is generally obviated by the elimination of the double copy mentioned in the previous section, particularly for larger and frequently accessed files.

For these reasons, the benefits of mmap( ) are most greatly realized when the mapped file is large (and thus any wasted space is a small percentage of the total mapping), or when the total size of the mapped file is evenly divisible by the page size (and thus there is no wasted space).

I had trouble getting this to work and added another solution for anyone wanting/ needing to use FromCollection.

Instead of:

@Html.CheckBoxFor(model => true, item.TemplateId) 

Format html helper like so:

@Html.CheckBoxFor(model => model.SomeProperty, new { @class = "form-control", Name = "SomeProperty"})

Then in the viewmodel/model wherever your logic is:

public void Save(FormCollection frm)
{   
    // to do instantiate object.

    instantiatedItem.SomeProperty = (frm["SomeProperty"] ?? "").Equals("true", StringComparison.CurrentCultureIgnoreCase);

    // to do and save changes in database.
}

I wanted to display logs on stdout and log file along with the timestamp. None of the above answers worked for me. I made use of process substitution and exec command and came up with the following code. Sample logs:

2017-06-21 11:16:41+05:30 Fetching information about files in the directory...

Add following lines at the top of your script:

LOG_FILE=script.log
exec > >(while read -r line; do printf '%s %s\n' "$(date --rfc-3339=seconds)" "$line" | tee -a $LOG_FILE; done)
exec 2> >(while read -r line; do printf '%s %s\n' "$(date --rfc-3339=seconds)" "$line" | tee -a $LOG_FILE; done >&2)

Hope this helps somebody!

In which scenarios does one out-perform the other?

For smaller tables (less than 1000 rows) use a temp variable, otherwise use a temp table.

I am happy with the listings package:

Here is how I configure it:

\lstset{
language=C,
basicstyle=\small\sffamily,
numbers=left,
numberstyle=\tiny,
frame=tb,
columns=fullflexible,
showstringspaces=false
}

I use it like this:

\begin{lstlisting}[caption=Caption example.,
  label=a_label,
  float=t]
// Insert the code here
\end{lstlisting}

This is my gradle.properties, please note those HTTPS portion

systemProp.http.proxyHost=127.0.0.1
systemProp.http.proxyPort=8118
systemProp.https.proxyHost=127.0.0.1
systemProp.https.proxyPort=8118

Use: Path.GetFileName Method

var onlyFileName = System.IO.Path.GetFileName(ofd.FileName);

Normally you cant update a page from a servlet. Client (browser) has to request an update. Eiter client loads a whole new page or it requests an update to a part of an existing page. This technique is called Ajax.

You can use PyVirtualDisplay (a Python wrapper for Xvfb) to run headless WebDriver tests.

#!/usr/bin/env python

from pyvirtualdisplay import Display
from selenium import webdriver

display = Display(visible=0, size=(800, 600))
display.start()

# now Firefox will run in a virtual display. 
# you will not see the browser.
browser = webdriver.Firefox()
browser.get('http://www.google.com')
print browser.title
browser.quit()

display.stop()

more info

You can also use xvfbwrapper, which is a similar module (but has no external dependencies):

from xvfbwrapper import Xvfb

vdisplay = Xvfb()
vdisplay.start()

# launch stuff inside virtual display here

vdisplay.stop()

or better yet, use it as a context manager:

from xvfbwrapper import Xvfb

with Xvfb() as xvfb:
    # launch stuff inside virtual display here.
    # It starts/stops in this code block.

Remove static keyword in method definition. Keep it just in your class definition.

static keyword placed in .cpp file means that a certain function has a static linkage, ie. it is accessible only from other functions in the same file.

Once I had this "simple" task and I used (new Date()).getTimezoneOffset() - the approach that is widely suggested here. But it turned out that the solution wasn't quite right. For some undocumented reasons in my case new Date() was returning GMT+0200 when new Date(0) was returning GMT+0300 which was right. Since then I always use

(new Date(0)).getTimezoneOffset() to get a correct timeshift.

In python 3.2 and later, there is a useful contextmanager for this in the stdlib https://docs.python.org/3/library/tempfile.html#tempfile.TemporaryDirectory

You use something like

from flask import send_file

@app.route('/get_image')
def get_image():
    if request.args.get('type') == '1':
       filename = 'ok.gif'
    else:
       filename = 'error.gif'
    return send_file(filename, mimetype='image/gif')

to send back ok.gif or error.gif, depending on the type query parameter. See the documentation for the send_file function and the request object for more information.

Make sure you format the string like this or it wont work

 $content = "BEGIN:VCALENDAR\n".
            "VERSION:2.0\n".
            "PRODID:-//hacksw/handcal//NONSGML v1.0//EN\n".
            "BEGIN:VEVENT\n".
            "UID:".uniqid()."\n".
            "DTSTAMP:".$time."\n".
            "DTSTART:".$time."\n".
            "DTEND:".$time."\n".
            "SUMMARY:".$summary."\n".
            "END:VEVENT\n".
            "END:VCALENDAR";

I am sorry, but I must disagree with many of the other answers. I would like to stop this muddled misunderstanding of the definition of declarative programming.

Definition

Referential transparency (RT) of the sub-expressions is the only required attribute of a declarative programming expression, because it is the only attribute which is not shared with imperative programming.

Other cited attributes of declarative programming, derive from this RT. Please click the hyperlink above for the detailed explanation.

Spreadsheet example

Two answers mentioned spreadsheet programming. In the cases where the spreadsheet programming (a.k.a. formulas) does not access mutable global state, then it is declarative programming. This is because the mutable cell values are the monolithic input and output of the main() (the entire program). The new values are not written to the cells after each formula is executed, thus they are not mutable for the life of the declarative program (execution of all the formulas in the spreadsheet). Thus relative to each other, the formulas view these mutable cells as immutable. An RT function is allowed to access immutable global state (and also mutable local state).

Thus the ability to mutate the values in the cells when the program terminates (as an output from main()), does not make them mutable stored values in the context of the rules. The key distinction is the cell values are not updated after each spreadsheet formula is performed, thus the order of performing the formulas does not matter. The cell values are updated after all the declarative formulas have been performed.

1) File -> Invalide Caches (in IDE IDEA)

2) Manually, got to C:\Users\\AppData\Local\JetBrains\IntelliJ IDEA \system\caches and delete

JetBrains: https://intellij-support.jetbrains.com/hc/en-us/articles/206544519-Directories-used-by-the-IDE-to-store-settings-caches-plugins-and-logs

Add this to the scope - https://www.googleapis.com/auth/userinfo.profile

And after authorization is done, get the information from - https://www.googleapis.com/oauth2/v1/userinfo?alt=json

It has loads of stuff - including name, public profile url, gender, photo etc.

$rootScope.$broadcast is a convenient way to raise a "global" event which all child scopes can listen for. You only need to use $rootScope to broadcast the message, since all the descendant scopes can listen for it.

The root scope broadcasts the event:

$rootScope.$broadcast("myEvent");

Any child Scope can listen for the event:

$scope.$on("myEvent",function () {console.log('my event occurred');} );

Why we use $rootScope.$broadcast? You can use $watch to listen for variable changes and execute functions when the variable state changes. However, in some cases, you simply want to raise an event that other parts of the application can listen for, regardless of any change in scope variable state. This is when $broadcast is helpful.

You use the -classpath argument. You can use either a relative or absolute path. What that means is you can use a path relative to your current directory, OR you can use an absolute path that starts at the root /.

Example:

bash$ java -classpath path/to/jar/file MyMainClass

In this example the main function is located in MyMainClass and would be included somewhere in the jar file.

For compiling you need to use javac

Example:

bash$ javac -classpath path/to/jar/file MyMainClass.java

You can also specify the classpath via the environment variable, follow this example:

bash$ export CLASSPATH="path/to/jar/file:path/tojar/file2"
bash$ javac MyMainClass.java

For any normally complex java project you should look for the ant script named build.xml

A contribution, for date before 1970-01-01 and after 2038-01-19

function DateDiff(aDate1, aDate2) {
  let dDay = 0;
  this.isBissexto = (aYear) => {
    return (aYear % 4 == 0 && aYear % 100 != 0) || (aYear % 400 == 0);
  };
  this.getDayOfYear = (aDate) => {
    let count = 0;
    for (let m = 0; m < aDate.getUTCMonth(); m++) {
      count += m == 1 ? this.isBissexto(aDate.getUTCFullYear()) ? 29 : 28 : /(3|5|8|10)/.test(m) ? 30 : 31;
    }
    count += aDate.getUTCDate();
    return count;
  };
  this.toDays = () => {
    return dDay;
  };
  (() => {
    let startDate = aDate1.getTime() <= aDate2.getTime() ? new Date(aDate1.toISOString()) : new Date(aDate2.toISOString());
    let endDate = aDate1.getTime() <= aDate2.getTime() ? new Date(aDate2.toISOString()) : new Date(aDate1.toISOString());
    while (startDate.getUTCFullYear() != endDate.getUTCFullYear()) {
      dDay += (this.isBissexto(startDate.getFullYear())? 366 : 365) - this.getDayOfYear(startDate) + 1;
      startDate = new Date(startDate.getUTCFullYear()+1, 0, 1);
    }
    dDay += this.getDayOfYear(endDate) - this.getDayOfYear(startDate);
  })();
}

Actually you get promise on $http.get.

Try to use followed flow:

<li ng-repeat="document in documents" ng-class="IsFiltered(document.Filtered)">
    <span><input type="checkbox" name="docChecked" id="doc_{{document.Id}}" ng-model="document.Filtered" /></span>
    <span>{{document.Name}}</span>
</li>

Where documents is your array.

$scope.documents = [];

$http.get('/Documents/DocumentsList/' + caseId).then(function(result) {
    result.data.forEach(function(val, i) { 
        $scope.documents.push(/* put data here*/);
    });
}, function(error) {
    alert(error.message);
});                       

A simple DIY way would be to make the grid yourself:

import matplotlib.pyplot as plt

fig = plt.figure()
ax = fig.add_subplot(111)

ax.plot([1,2,3], [2,3,4], 'ro')

for xmaj in ax.xaxis.get_majorticklocs():
  ax.axvline(x=xmaj, ls='-')
for xmin in ax.xaxis.get_minorticklocs():
  ax.axvline(x=xmin, ls='--')

for ymaj in ax.yaxis.get_majorticklocs():
  ax.axhline(y=ymaj, ls='-')
for ymin in ax.yaxis.get_minorticklocs():
  ax.axhline(y=ymin, ls='--')
plt.show()

How about the SQuirreL SQL Client? As mentioned in another SO question, this programs has the capability to generate a simple ER diagram.

You can create your mask array in one step like this

mask_data = input_mask_data < 3

This creates a boolean array which can then be used as a pixel mask. Note that we haven't changed the input array (as in your code) but have created a new array to hold the mask data - I would recommend doing it this way.

>>> input_mask_data = np.random.randint(0, 5, (3, 4))
>>> input_mask_data
array([[1, 3, 4, 0],
       [4, 1, 2, 2],
       [1, 2, 3, 0]])
>>> mask_data = input_mask_data < 3
>>> mask_data
array([[ True, False, False,  True],
       [False,  True,  True,  True],
       [ True,  True, False,  True]], dtype=bool)
>>> 

you could use setAttribute.

Example: For adding one class:

 document.getElementById('main').setAttribute("class","classOne"); 

For multiple classes:

 document.getElementById('main').setAttribute("class", "classOne classTwo"); 

Note the url in DocumentCompleted can be different than navigating url due to server transfer or url normalization (e.g. you navigate to www.microsoft.com and got http://www.microsoft.com in documentcomplete)

In pages with no frames, this event fires one time after loading is complete. In pages with multiple frames, this event fires for each navigating frame (note navigation is supported inside a frame, for instance clicking a link in a frame could navigate the frame to another page). The highest level navigating frame, which may or may not be the top level browser, fires the final DocumentComplete event.

In native code you would compare the sender of the DocumentComplete event to determine if the event is the final event in the navigation or not. However in Windows Forms the sender parameter is not wrapped by WebBrowserDocumentCompletedEventArgs. You can either sink the native event to get the parameter's value, or check the readystate property of the browser or frame documents in the DocumentCompleted event handler to see if all frames are in the ready state.

There is a prolblem with the readystate method as if a download manager is present and the navigation is to a downloadable file, the navigation could be cancelled by the download manager and the readystate won't become complete.

Another shorthand to (@maudulus's answer) to remove {maxFractionDigits} since it's optional.

You can use {{numberExample | number : '1.2'}}

def printProgressBar(value,label):
    n_bar = 40 #size of progress bar
    max = 100
    j= value/max
    sys.stdout.write('\r')
    bar = '¦' * int(n_bar * j)
    bar = bar + '-' * int(n_bar * (1-j))

    sys.stdout.write(f"{label.ljust(10)} | [{bar:{n_bar}s}] {int(100 * j)}% ")
    sys.stdout.flush()

call:

printProgressBar(30,"IP")

IP | [¦¦¦¦¦¦¦¦¦¦¦¦----------------------------] 30%

this will work

   String myName="domanokz";
   String p=myName.replace(myName.charAt(4),'x');
   System.out.println(p);

Output : domaxokz

You can't set colour of the padding.

You will have to create a wrapper element with the desired background colour. Add border to this element and set it's padding.

Look here for an example: http://jsbin.com/abanek/1/edit

Spinner xml:

<Spinner
      android:id="@+id/spinner"
      android:layout_width="wrap_content"
      android:layout_height="match_parent" />

java:

public class MainActivity extends AppCompatActivity implements AdapterView.OnItemSelectedListener{

    private Spinner spinner;
    private static final String[] paths = {"item 1", "item 2", "item 3"};

    @Override
    protected void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_layout);

        spinner = (Spinner)findViewById(R.id.spinner);
        ArrayAdapter<String>adapter = new ArrayAdapter<String>(MainActivity.this,
                android.R.layout.simple_spinner_item,paths);

        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(adapter);
        spinner.setOnItemSelectedListener(this);

    }

    @Override
    public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {

        switch (position) {
            case 0:
                // Whatever you want to happen when the first item gets selected
                break;
            case 1:
                // Whatever you want to happen when the second item gets selected
                break;
            case 2:
                // Whatever you want to happen when the thrid item gets selected
                break;

        }
    }

    @Override
    public void onNothingSelected(AdapterView<?> parent) {
            // TODO Auto-generated method stub
        }

}

table

We have Teacher table

Oracle Syntax

SELECT * FROM   
(
SELECT column_name FROM table_name  
ORDER BY dbms_random.value
)  
WHERE rownum = 1;

For better understanding follow screenshot

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

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

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

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

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

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

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

when using 'git bash',

1) I execute the command:

docker exec -it 726fe4999627 /bin/bash

I have the error:

the input device is not a TTY.  If you are using mintty, try prefixing the command with 'winpty'

2) then, I execute the command:

winpty docker exec -it 726fe4999627 /bin/bash

I have another error:

OCI runtime exec failed: exec failed: container_linux.go:344: starting container process caused "exec: \"D:/Git/usr/bin/
bash.exe\": stat D:/Git/usr/bin/bash.exe: no such file or directory": unknown

3) third, I execute the:

winpty docker exec -it 726fe4999627 bash

it worked.

when I using 'powershell', all worked well.

The best approach would be to map a unique ID to each enum type, thus avoiding the pitfalls of ORDINAL and STRING. See this post which outlines 5 ways you can map an enum.

Taken from the link above:

1&2. Using @Enumerated

There are currently 2 ways you can map enums within your JPA entities using the @Enumerated annotation. Unfortunately both EnumType.STRING and EnumType.ORDINAL have their limitations.

If you use EnumType.String then renaming one of your enum types will cause your enum value to be out of sync with the values saved in the database. If you use EnumType.ORDINAL then deleting or reordering the types within your enum will cause the values saved in the database to map to the wrong enums types.

Both of these options are fragile. If the enum is modified without performing a database migration, you could jeopodise the integrity of your data.

3. Lifecycle Callbacks

A possible solution would to use the JPA lifecycle call back annotations, @PrePersist and @PostLoad. This feels quite ugly as you will now have two variables in your entity. One mapping the value stored in the database, and the other, the actual enum.

4. Mapping unique ID to each enum type

The preferred solution is to map your enum to a fixed value, or ID, defined within the enum. Mapping to predefined, fixed value makes your code more robust. Any modification to the order of the enums types, or the refactoring of the names, will not cause any adverse effects.

5. Using Java EE7 @Convert

If you are using JPA 2.1 you have the option to use the new @Convert annotation. This requires the creation of a converter class, annotated with @Converter, inside which you would define what values are saved into the database for each enum type. Within your entity you would then annotate your enum with @Convert.

My preference: (Number 4)

The reason why I prefer to define my ID's within the enum as oppose to using a converter, is good encapsulation. Only the enum type should know of its ID, and only the entity should know about how it maps the enum to the database.

See the original post for the code example.

Probably the shortest solution (works only in modern browsers)

This small piece of CSS makes "the middle content part fill 100% of the space in between with the footer fixed to the bottom":

html, body { height: 100%; }
your_container { min-height: calc(100% - height_of_your_footer); }

the only requirement is that you need to have a fixed height footer.

For example for this layout:

    <html><head></head><body>
      <main> your main content </main>
      </footer> your footer content </footer>
    </body></html>

you need this CSS:

    html, body { height: 100%; }
    main { min-height: calc(100% - 2em); }
    footer { height: 2em; }

I have solved this problem You just need to Create file in Android Folder

Go android folder

Create file local.properties

then just add this code in local.properties file:-

If you are using MacBook then sdk.dir=/Users/USERNAME/Library/android/sdk

if you are using Windows then sdk.dir=C:\Users\USERNAME\AppData\Local\Android\sdk

if you are using Linux then sdk.dir = /home/USERNAME/Android/sdk

if you want to know what is your system USERNAME then just use command for Mac whoami

and then just rerun command react-native run-android

Thanks :)

I think it actually depends on what are you going to do inside your doSomething function. If you are going to access MyObject properties using this keyword then you have to use that. But I think that the following code fragment will also work if you are not doing any special things using object(MyObject) properties.

function doSomething(){
  .........
}

$("#foobar").ready('click', function(){

});

Use display:flex and white-space:nowrap

p{_x000D_
  display:flex;_x000D_
  white-space:nowrap;_x000D_
  overflow:auto;_x000D_
}

<h2>Sample Text.</h2>_x000D_
_x000D_
<p>Some example text that will not wrap..lla et dictum interdum, nisi lorem egestas odio, vitae scelerisque enim ligula venenatis dolor. Maecenas nisl est, ultrices nec congue eget, auctor vitae massa. Fusce luctus vestibulum augue ut aliquet. Mauris ante ligula, facilisis sed ornare eu, lobortis in odio. Praesent convallis urna a lacus interdum ut hendrerit risus congue. Nunc sagittis dictum nisi, sed ullamcorper ipsum d</p>_x000D_
_x000D_
<h3>Then some other text</h3>

func buttonAction(sender:UIButton!)
    {
        var position: CGPoint = sender.convertPoint(CGPointZero, toView: self.tablevw)
        let indexPath = self.tablevw.indexPathForRowAtPoint(position)
        let cell: TableViewCell = tablevw.cellForRowAtIndexPath(indexPath!) as TableViewCell
        println(indexPath?.row)
        println("Button tapped")
    }

Maybe a bit late, but i had same problem.

Click on "Move up" button for Java path and move it at top.

It fixed problem for me

As seen in Install crontab on CentOS, the crontab package in CentOS is vixie-cron. Hence, do install it with:

yum install vixie-cron

And then start it with:

service crond start

To make it persistent, so that it starts on boot, use:

chkconfig crond on

On CentOS 7 you need to use cronie:

yum install cronie

On CentOS 6 you can install vixie-cron, but the real package is cronie:

yum install vixie-cron

and

yum install cronie

In both cases you get the same output:

.../...
==================================================================
 Package         Arch       Version         Repository      Size
==================================================================
Installing:
 cronie          x86_64     1.4.4-12.el6    base             73 k
Installing for dependencies:
 cronie-anacron  x86_64     1.4.4-12.el6    base             30 k
 crontabs        noarch     1.10-33.el6     base             10 k
 exim            x86_64     4.72-6.el6      epel            1.2 M

Transaction Summary
==================================================================
Install       4 Package(s)

thanks, try this instead

Select 
  STR(account_code) as account_code_Numeric,
  descr 
from account 
where  STR(account_code) = 1

I'm happy to help you

Just write the command "ping your server IP" without the double quote. save file name as filename.bat and then run the batch file as administrator

A jQuery solution:

$("#frame1").ready( function() {

  $("#frame1").contents().scrollTop( $("#frame1").contents().scrollTop() + 10 );

});

1)

var merged = {};
for(key in obj1)
    merged[key] = obj1[key];
for(key in obj2)
    merged[key] = obj2[key];

2)

var merged = {};
Object.keys(obj1).forEach(k => merged[k] = obj1[k]);
Object.keys(obj2).forEach(k => merged[k] = obj2[k]);

OR

Object.keys(obj1)
    .concat(Object.keys(obj2))
    .forEach(k => merged[k] = k in obj2 ? obj2[k] : obj1[k]);

3) Simplest way:

var merged = {};
Object.assign(merged, obj1, obj2);

In addition to the example given in the Advanced Bash Scripting Guide referenced by Jefromi, these examples show how pipes create subshells:

$ echo $$ $BASHPID | cat -
11656 31528
$ echo $$ $BASHPID
11656 11656
$ echo $$ | while read line; do echo $line $$ $BASHPID; done
11656 11656 31497
$ while read line; do echo $line $$ $BASHPID; done <<< $$
11656 11656 11656

Use waitpid() like this:

pid_t childPid;  // the child process that the execution will soon run inside of. 
childPid = fork();

if(childPid == 0)  // fork succeeded 
{   
   // Do something   
   exit(0); 
}

else if(childPid < 0)  // fork failed 
{    
   // log the error
}

else  // Main (parent) process after fork succeeds 
{    
    int returnStatus;    
    waitpid(childPid, &returnStatus, 0);  // Parent process waits here for child to terminate.

    if (returnStatus == 0)  // Verify child process terminated without error.  
    {
       printf("The child process terminated normally.");    
    }

    if (returnStatus == 1)      
    {
       printf("The child process terminated with an error!.");    
    }
}

How to work-it in Tomcat 7

I wanted to support a self signed certificate in a Tomcat App but the following snippet failed to work

import java.io.DataOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class HTTPSPlayground {
    public static void main(String[] args) throws Exception {

        URL url = new URL("https:// ... .com");
        HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();

        httpURLConnection.setRequestMethod("POST");
        httpURLConnection.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        httpURLConnection.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(httpURLConnection.getOutputStream());

        String serializedMessage = "{}";
        wr.writeBytes(serializedMessage);
        wr.flush();
        wr.close();

        int responseCode = httpURLConnection.getResponseCode();
        System.out.println(responseCode);
    }
}

this is what solved my issue:

1) Download the .crt file

echo -n | openssl s_client -connect <your domain>:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' > ~/<your domain>.crt

• replace <your domain> with your domain (e.g. jossef.com)

2) Apply the .crt file in Java's cacerts certificate store

keytool -import -v -trustcacerts -alias <your domain> -file ~/<your domain>.crt -keystore <JAVA HOME>/jre/lib/security/cacerts -keypass changeit -storepass changeit

• replace <your domain> with your domain (e.g. jossef.com)
• replace <JAVA HOME> with your java home directory

3) Hack it

Even though iv'e installed my certificate in Java's default certificate stores, Tomcat ignores that (seems like it's not configured to use Java's default certificate stores).

To hack this, add the following somewhere in your code:

String certificatesTrustStorePath = "<JAVA HOME>/jre/lib/security/cacerts";
System.setProperty("javax.net.ssl.trustStore", certificatesTrustStorePath);

// ...

You can use [] to extract values from a QueryDict object like you would any ordinary dictionary.

# HTTP POST variables
request.POST['section'] # => [39]
request.POST['MAINS'] # => [137]

# HTTP GET variables
request.GET['section'] # => [39]
request.GET['MAINS'] # => [137]

# HTTP POST and HTTP GET variables (Deprecated since Django 1.7)
request.REQUEST['section'] # => [39]
request.REQUEST['MAINS'] # => [137]

css is enough :

width : desired_width;
height: auto;/*to preserve the aspect ratio of the image*/

Yesterday Date can be calculated as:-

let now = new Date();
    var defaultDate = now - 1000 * 60 * 60 * 24 * 1;
    defaultDate = new Date(defaultDate);

You can use HttpEntity to read both Body and Headers.

   @RequestMapping(value = "/restURL")
   public String serveRest(HttpEntity<String> httpEntity){
                MultiValueMap<String, String> headers = 
                httpEntity.getHeaders();
                Iterator<Map.Entry<String, List<String>>> s = 
                headers.entrySet().iterator();
                while(s.hasNext()) {
                    Map.Entry<String, List<String>> obj = s.next();
                    String key = obj.getKey();
                    List<String> value = obj.getValue();
                }
                
                String body = httpEntity.getBody();

    }

Enums represent a complete enumeration of possible values. So the (unhelpful) answer is no.

As an example of a real problem take weekdays, weekend days and, the union, days of week. We could define all days within days-of-week but then we would not be able to represent properties special to either weekdays and weekend-days.

What we could do, is have three enum types with a mapping between weekdays/weekend-days and days-of-week.

public enum Weekday {
    MON, TUE, WED, THU, FRI;
    public DayOfWeek toDayOfWeek() { ... }
}
public enum WeekendDay {
    SAT, SUN;
    public DayOfWeek toDayOfWeek() { ... }
}
public enum DayOfWeek {
    MON, TUE, WED, THU, FRI, SAT, SUN;
}

Alternatively, we could have an open-ended interface for day-of-week:

interface Day {
    ...
}
public enum Weekday implements Day {
    MON, TUE, WED, THU, FRI;
}
public enum WeekendDay implements Day {
    SAT, SUN;
}

Or we could combine the two approaches:

interface Day {
    ...
}
public enum Weekday implements Day {
    MON, TUE, WED, THU, FRI;
    public DayOfWeek toDayOfWeek() { ... }
}
public enum WeekendDay implements Day {
    SAT, SUN;
    public DayOfWeek toDayOfWeek() { ... }
}
public enum DayOfWeek {
    MON, TUE, WED, THU, FRI, SAT, SUN;
    public Day toDay() { ... }
}

If treating strings as bytes is more your thing, you can use the following functions

function u_atob(ascii) {
    return Uint8Array.from(atob(ascii), c => c.charCodeAt(0));
}

function u_btoa(buffer) {
    var binary = [];
    var bytes = new Uint8Array(buffer);
    for (var i = 0, il = bytes.byteLength; i < il; i++) {
        binary.push(String.fromCharCode(bytes[i]));
    }
    return btoa(binary.join(''));
}


// example, it works also with astral plane characters such as ''
var encodedString = new TextEncoder().encode('?');
var base64String = u_btoa(encodedString);
console.log('?' === new TextDecoder().decode(u_atob(base64String)))

The problem is that pyarrow is saved by pip into dist-packages (in your case /usr/local/lib/python2.7/dist-packages). This path is skipped by Jupyter so pip won't help.

As a solution I suggest adding in the first block

import sys
sys.path.append('/usr/local/lib/python2.7/dist-packages')

or whatever is path or python version. In case of Python 3.5 this is

import sys
sys.path.append("/usr/local/lib/python3.5/dist-packages")

Based on some of the previous answers, I'm going to break my answer down into three areas.

First, physical limitations of using Action<T1, T2, T2... > vs using a derived class of EventArgs. There are three: First, if you change the number or types of parameters, every method that subscribes to will have to be changed to conform to the new pattern. If this is a public facing event that 3rd party assemblies will be using, and there is any possiblity that the event args would change, this would be a reason to use a custom class derived from event args for consistencies sake (remember, you COULD still use an Action<MyCustomClass>) Second, using Action<T1, T2, T2... > will prevent you from passing feedback BACK to the calling method unless you have a some kind of object (with a Handled property for instance) that is passed along with the Action. Third, you don't get named parameters, so if you're passing 3 bool's an int, two string's, and a DateTime, you have no idea what the meaning of those values are. As a side note, you can still have a "Fire this event safely method while still using Action<T1, T2, T2... >".

Secondly, consistency implications. If you have a large system you're already working with, it's nearly always better to follow the way the rest of the system is designed unless you have an very good reason not too. If you have publicly facing events that need to be maintained, the ability to substitute derived classes can be important. Keep that in mind.

Thirdly, real life practice, I personally find that I tend to create a lot of one off events for things like property changes that I need to interact with (Particularly when doing MVVM with view models that interact with each other) or where the event has a single parameter. Most of the time these events take on the form of public event Action<[classtype], bool> [PropertyName]Changed; or public event Action SomethingHappened;. In these cases, there are two benefits. First, I get a type for the issuing class. If MyClass declares and is the only class firing the event, I get an explicit instance of MyClass to work with in the event handler. Secondly, for simple events such as property change events, the meaning of the parameters is obvious and stated in the name of the event handler and I don't have to create a myriad of classes for these kinds of events.

For string concatenation in C++, you should use the + operator.

nametext = "Your name is" + name;

I found the solution here:

How to properly -filter multiple strings in a PowerShell copy script

You have to use -Include flag for Get-ChildItem

My Example:

$Location = "C:\user\files" 
$result = (Get-ChildItem $Location\* -Include *.png, *.gif, *.jpg)

Dont forget put "*" after path location.

use this command mode option

ggguG


gg - Goto the first line 
g  - start to converting from current line    
u  - Convert into lower case for all characters
G  - To end of the file.

I think you don't need to update only some specific field. Just update whole data.

@Update query

It is a given query basically. No need to make some new query.

@Dao
interface MemoDao {

    @Insert
    suspend fun insert(memo: Memo)

    @Delete
    suspend fun delete(memo: Memo)

    @Update
    suspend fun update(memo: Memo)
}

Memo.class

@Entity
data class Memo (
    @PrimaryKey(autoGenerate = true) val id: Int,
    @ColumnInfo(name = "title") val title: String?,
    @ColumnInfo(name = "content") val content: String?,
    @ColumnInfo(name = "photo") val photo: List<ByteArray>?
)

Only thing you need to know is 'id'. For instance, if you want to update only 'title', you can reuse 'content' and 'photo' from already inserted data. In real code, use like this

val memo = Memo(id, title, content, byteArrayList)
memoViewModel.update(memo)

Late joining the conversation. Based on:

https://codereview.stackexchange.com/a/179091/184415

There is indeed an O(n) complexity solution to this problem even if duplicate ints are involved in the input:

solution(A)
Filter out non-positive values from A
For each int in filtered
    Let a zero-based index be the absolute value of the int - 1
    If the filtered range can be accessed by that index  and  filtered[index] is not negative
        Make the value in filtered[index] negative

For each index in filtered
    if filtered[index] is positive
        return the index + 1 (to one-based)

If none of the elements in filtered is positive
    return the length of filtered + 1 (to one-based)

So an array A = [1, 2, 3, 5, 6], would have the following transformations:

abs(A[0]) = 1, to_0idx = 0, A[0] = 1, make_negative(A[0]), A = [-1,  2,  3,  5,  6]
abs(A[1]) = 2, to_0idx = 1, A[1] = 2, make_negative(A[1]), A = [-1, -2,  3,  5,  6]
abs(A[2]) = 3, to_0idx = 2, A[2] = 3, make_negative(A[2]), A = [-1, -2, -3,  5,  6]
abs(A[3]) = 5, to_0idx = 4, A[4] = 6, make_negative(A[4]), A = [-1, -2, -3,  5, -6]
abs(A[4]) = 6, to_0idx = 5, A[5] is inaccessible,          A = [-1, -2, -3,  5, -6]

A linear search for the first positive value returns an index of 3. Converting back to a one-based index results in solution(A)=3+1=4

Here's an implementation of the suggested algorithm in C# (should be trivial to convert it over to Java lingo - cut me some slack common):

public int solution(int[] A)
{
    var positivesOnlySet = A
        .Where(x => x > 0)
        .ToArray();

    if (!positivesOnlySet.Any())
        return 1;

    var totalCount = positivesOnlySet.Length;
    for (var i = 0; i < totalCount; i++) //O(n) complexity
    {
        var abs = Math.Abs(positivesOnlySet[i]) - 1;
        if (abs < totalCount && positivesOnlySet[abs] > 0) //notice the greater than zero check 
            positivesOnlySet[abs] = -positivesOnlySet[abs];
    }

    for (var i = 0; i < totalCount; i++) //O(n) complexity
    {
        if (positivesOnlySet[i] > 0)
            return i + 1;
    }

    return totalCount + 1;
}

The "best" way to share a Jupyter notebook is to simply to place it on GitHub (and view it directly) or some other public link and use the Jupyter Notebook Viewer. When privacy is more of an issue then there are alternatives but it's certainly more complex; there's no built-in way to do this in Jupyter alone, but a couple of options are:

Host your own nbviewer

GitHub and the Jupyter Notebook Veiwer both use the same tool to render .ipynb files into static HTML, this tool is nbviewer.

The installation instructions are more complex than I'm willing to go into here but if your company/team has a shared server that doesn't require password access then you could host the nbviewer on that server and direct it to load from your credentialed server. This will probably require some more advanced configuration than you're going to find in the docs.

Set up a deployment script

If you don't necessarily need live updating HTML then you could set up a script on your credentialed server that will simply use Jupyter's built-in export options to create the static HTML files and then send those to a more publicly accessible server.

Using javascript seems to be unnecessary if you choose CSS3.

By using :before selector, you can do this in two lines of CSS. (no script involved).

Another advantage of this approach is that it does not rely on <label> tag and works even it is missing.

Note: in browsers without CSS3 support, checkboxes will look normal. (backward compatible).

input[type=checkbox]:before { content:""; display:inline-block; width:12px; height:12px; background:red; }
input[type=checkbox]:checked:before { background:green; }?

You can see a demo here: http://jsfiddle.net/hqZt6/1/

and this one with images:

http://jsfiddle.net/hqZt6/6/

If the user clicks Cancel, a zero-length string is returned. You can't differentiate this from entering an empty string. You can however make your own custom InputBox class...

EDIT to properly differentiate between empty string and cancel, according to this answer.

Your example

Private Sub test()
    Dim result As String
    result = InputBox("Enter Date MM/DD/YYY", "Date Confirmation", Now)
    If StrPtr(result) = 0 Then
        MsgBox ("User canceled!")
    ElseIf result = vbNullString Then
        MsgBox ("User didn't enter anything!")
    Else
        MsgBox ("User entered " & result)
    End If
End Sub

Would tell the user they canceled when they delete the default string, or they click cancel.

See http://msdn.microsoft.com/en-us/library/6z0ak68w(v=vs.90).aspx

Great suggestion! Here's my reusable take on it:

public class StreamUtils {

    public static <T> Stream<T> asStream(Iterator<T> sourceIterator) {
        return asStream(sourceIterator, false);
    }

    public static <T> Stream<T> asStream(Iterator<T> sourceIterator, boolean parallel) {
        Iterable<T> iterable = () -> sourceIterator;
        return StreamSupport.stream(iterable.spliterator(), parallel);
    }
}

And usage (make sure to statically import asStream):

List<String> aPrefixedStrings = asStream(sourceIterator)
                .filter(t -> t.startsWith("A"))
                .collect(toList());

Polling like this is definitely the least preferred solution.

I assume that you have another thread that will do something to make the condition true. There are several ways to synchronize threads. The easiest one in your case would be a notification via an Object:

Main thread:

synchronized(syncObject) {
    try {
        // Calling wait() will block this thread until another thread
        // calls notify() on the object.
        syncObject.wait();
    } catch (InterruptedException e) {
        // Happens if someone interrupts your thread.
    }
}

Other thread:

// Do something
// If the condition is true, do the following:
synchronized(syncObject) {
    syncObject.notify();
}

syncObject itself can be a simple Object.

There are many other ways of inter-thread communication, but which one to use depends on what precisely you're doing.

import os
import shutil
os.chdir('C:\\') #Make sure you add your source and destination path below

dir_src = ("C:\\foooo\\")
dir_dst = ("C:\\toooo\\")

for filename in os.listdir(dir_src):
    if filename.endswith('.txt'):
        shutil.copy( dir_src + filename, dir_dst)
    print(filename)

The solution is to change the DropDownStyle property to DropDownList. It will help.

Check the latest version of Has on Intel website and install it. Let the ram in recommended size "preset 2048", then try to run the app. Things should work fine.

Static function means that it is associated with class (not a particular instance of class but the class itself) and it can be invoked even when no class instances exist.

Static class means that class contains only static members.

webpack.config.js

{
    test: /\.(png|jpe?g|gif)$/i,
    loader: 'file-loader',
    options: {
        name: '[name].[ext]',
    },
}

anyfile.html

<img src={image_name.jpg} />

In my case, clearing caché didn't work.

On SDK Manager, be sure to check the box on "show package descriptions"; then you should also select the "Google APIs" for the version you are willing to install.

Install it and then you should be ok

Actualy the Gabin Smith's answer needs to be changed a bit to work, because you can't resume with without an error.

Sub MyFunc()
...
    For Each oSheet In ActiveWorkbook.Sheets
        On Error GoTo errHandler:
        Set qry = oSheet.ListObjects(1).QueryTable
        oCmbBox.AddItem oSheet.name

    ...
NextSheet:
    Next oSheet

...
Exit Sub

errHandler:
Resume NextSheet        
End Sub

Not for entire application or particular class.

CurrentUICulture and CurrentCulture are settable per thread as discussed here Is there a way of setting culture for a whole application? All current threads and new threads?. You can't change InvariantCulture at all.

Sample code to change cultures for current thread:

CultureInfo ci = new CultureInfo(theCultureString);
Thread.CurrentThread.CurrentCulture = ci;
Thread.CurrentThread.CurrentUICulture = ci;

For class you can set/restore culture inside critical methods, but it would be significantly safe to use appropriate overrides for most formatting related methods that take culture as one of arguments:

(3.3).ToString(new CultureInfo("fr-FR"))

var model = {"Id": "xx", "Name":"Ravi"};
$.ajax({    url: 'test/set',
                        type: "POST",
                        data: model,
                        success: function (res) {
                            if (res != null) {
                                alert("done.");
                            }
                        },
                        error: function (res) {

                        }
                    });

This issue is caused due to use of newer version of gradle in the project. There are two options to resolve this:

Option 1: Change gradle/wrapper/gradle-wrapper.properties file

distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip

Change project level gradle build.gradle file

classpath("com.android.tools.build:gradle:3.3.2")

Option 2: Update your Android Studio to newer version. (Highly recommended)

This is now possible as of TFS 2015 by using the Code Search plugin. https://marketplace.visualstudio.com/items?itemName=ms.vss-code-search

The search is done via the web interface, and does not require you to download the code to your local machine which is nice.

My example comment to @qubyte above got chopped, so here's something that's easier to read...

The method @surjikal described above works for branch commits, but it didn't work for a tree commit I was trying include.

The archive mode also works for commits. For example, fetch @ a2fbf83

npm:

npm install  https://github.com/github/fetch/archive/a2fbf834773b8dc20eef83bb53d081863d3fc87f.tar.gz

yarn:

yarn add  https://github.com/github/fetch/archive/a2fbf834773b8dc20eef83bb53d081863d3fc87f.tar.gz

format:

 https://github.com/<owner>/<repo>/archive/<commit-id>.tar.gz

yarn add  https://github.com/vuejs/vuex/archive/c3626f779b8ea902789dd1c4417cb7d7ef09b557.tar.gz

for the related vuex commit

The easiest way is to pass this to the click123 function or you can also do something like this(cross-browser):

function click123(e){
  e = e || window.event;
  var src = e.target || e.srcElement;
  //src element is the eventsource
}

You can use a Junit Rule to create this temporary folder for your test:

@Rule public TemporaryFolder temporaryFolder = new TemporaryFolder(); File file = temporaryFolder.newFile(".src/test/resources/abc.xml");

SQL Loader helps load csv files into tables: SQL*Loader

If you want sqlplus only, then it gets a bit complicated. You need to locate your sqlloader script and csv file, then run the sqlldr command.

@Chaibi Alaa, To make the user able to add only once, and move the marker; You can set the marker on first click and then just change the position on subsequent clicks.

var marker;

google.maps.event.addListener(map, 'click', function(event) {
   placeMarker(event.latLng);
});


function placeMarker(location) {

    if (marker == null)
    {
          marker = new google.maps.Marker({
             position: location,
             map: map
          }); 
    } 
    else 
    {
        marker.setPosition(location); 
    } 
}

When reading input from any file (stdin included) where you do not know the length, it is often better to use getline rather than scanf or fgets because getline will handle memory allocation for your string automatically so long as you provide a null pointer to receive the string entered. This example will illustrate:

#include <stdio.h>
#include <stdlib.h>

int main (int argc, char *argv[]) {

    char *line = NULL;  /* forces getline to allocate with malloc */
    size_t len = 0;     /* ignored when line = NULL */
    ssize_t read;

    printf ("\nEnter string below [ctrl + d] to quit\n");

    while ((read = getline(&line, &len, stdin)) != -1) {

        if (read > 0)
            printf ("\n  read %zd chars from stdin, allocated %zd bytes for line : %s\n", read, len, line);

        printf ("Enter string below [ctrl + d] to quit\n");
    }

    free (line);  /* free memory allocated by getline */

    return 0;
}

The relevant parts being:

char *line = NULL;  /* forces getline to allocate with malloc */
size_t len = 0;     /* ignored when line = NULL */
/* snip */
read = getline (&line, &len, stdin);

Setting line to NULL causes getline to allocate memory automatically. Example output:

$ ./getline_example

Enter string below [ctrl + d] to quit
A short string to test getline!

  read 32 chars from stdin, allocated 120 bytes for line : A short string to test getline!

Enter string below [ctrl + d] to quit
A little bit longer string to show that getline will allocated again without resetting line = NULL

  read 99 chars from stdin, allocated 120 bytes for line : A little bit longer string to show that getline will allocated again without resetting line = NULL

Enter string below [ctrl + d] to quit

So with getline you do not need to guess how long your user's string will be.

#div-name

{

  background-image: url('../images/background-art-main.jpg');
  background-position: top right 50px;
  background-repeat: no-repeat;
}

Two small contributions to Codo's answer:

' "recursive" version of GetObjectProperty
Public Function GetObjectProperty(ByVal JsonObject As Object, ByVal propertyName As String) As Object
    Dim names() As String
    Dim i As Integer

    names = Split(propertyName, ".")

    For i = 0 To UBound(names)
        Set JsonObject = ScriptEngine.Run("getProperty", JsonObject, names(i))
    Next

    Set GetObjectProperty = JsonObject
End Function

' shortcut to object array
Public Function GetObjectArrayProperty(ByVal JsonObject As Object, ByVal propertyName As String) As Object()
    Dim a() As Object
    Dim i As Integer
    Dim l As Integer

    Set JsonObject = GetObjectProperty(JsonObject, propertyName)

    l = GetProperty(JsonObject, "length") - 1

    ReDim a(l)

    For i = 0 To l
        Set a(i) = GetObjectProperty(JsonObject, CStr(i))
    Next

    GetObjectArrayProperty = a
End Function

So now I can do stuff like:

Dim JsonObject As Object
Dim Value() As Object
Dim i As Integer
Dim Total As Double

Set JsonObject = DecodeJsonString(CStr(request.responseText))

Value = GetObjectArrayProperty(JsonObject, "d.Data")

For i = 0 To UBound(Value)
    Total = Total + Value(i).Amount
Next

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

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

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

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

    }
};

After creating your client specifying the binding and endpoint address, you can assign an OperationTimeout,

client.InnerChannel.OperationTimeout = new TimeSpan(0, 5, 0);

Steps for configuring Sublime Text Editor3 for Python3 :-

1. Go to preferences in the toolbar.
2. Select Package Control.
3. A pop up will open.
4. Type/Select Package Control:Install Package.
5. Wait for a minute till repositories are loading.
6. Another Pop up will open.
7. Search for Python 3.
8. Now sublime text is set for Python3.
9. Now go to Tools-> Build System.
10. Select Python3.

Enjoy Coding.

WebElement element = driver.findElement(By.id("foo"));
String contents = (String)((JavascriptExecutor)driver).executeScript("return arguments[0].innerHTML;", element); 

This code really works to get JavaScript from source as well!

Well to be honest, first and foremost you shouldn't generate UML model from code, but code from UML model ;).

Even if you are in a rare situation, when you need to do this reverse engineering, it is generally suggested that you do it by hand or at least tidy-up the diagrams, as auto-generated UML has really poor visual (=information) value most of the time.

If you just need to generate the diagrams, it's probably a good thing to ask yourself why exactly? Who is the intended audience and what is the goal? What does the auto-generated diagram have to offer, what code doesn't?

Basicly I accept only one answer to that question. It just got too big and incomprehensible.

Which again is a reason to start with UML in the first place, as opposed to start coding ;) It's called analysis and it's on decline, because every second guy in business thinks it's a bit too expensive and not really necessary.

still alloca use is discouraged, why?

I don't perceive such a consensus. Lots of strong pros; a few cons:

• C99 provides variable length arrays, which would often be used preferentially as the notation's more consistent with fixed-length arrays and intuitive overall
• many systems have less overall memory/address-space available for the stack than they do for the heap, which makes the program slightly more susceptible to memory exhaustion (through stack overflow): this may be seen as a good or a bad thing - one of the reasons the stack doesn't automatically grow the way heap does is to prevent out-of-control programs from having as much adverse impact on the entire machine
• when used in a more local scope (such as a while or for loop) or in several scopes, the memory accumulates per iteration/scope and is not released until the function exits: this contrasts with normal variables defined in the scope of a control structure (e.g. for {int i = 0; i < 2; ++i) { X } would accumulate alloca-ed memory requested at X, but memory for a fixed-sized array would be recycled per iteration).
• modern compilers typically do not inline functions that call alloca, but if you force them then the alloca will happen in the callers' context (i.e. the stack won't be released until the caller returns)
• a long time ago alloca transitioned from a non-portable feature/hack to a Standardised extension, but some negative perception may persist
• the lifetime is bound to the function scope, which may or may not suit the programmer better than malloc's explicit control
• having to use malloc encourages thinking about the deallocation - if that's managed through a wrapper function (e.g. WonderfulObject_DestructorFree(ptr)), then the function provides a point for implementation clean up operations (like closing file descriptors, freeing internal pointers or doing some logging) without explicit changes to client code: sometimes it's a nice model to adopt consistently
  • in this pseudo-OO style of programming, it's natural to want something like WonderfulObject* p = WonderfulObject_AllocConstructor(); - that's possible when the "constructor" is a function returning malloc-ed memory (as the memory remains allocated after the function returns the value to be stored in p), but not if the "constructor" uses alloca
    • a macro version of WonderfulObject_AllocConstructor could achieve this, but "macros are evil" in that they can conflict with each other and non-macro code and create unintended substitutions and consequent difficult-to-diagnose problems
  • missing free operations can be detected by ValGrind, Purify etc. but missing "destructor" calls can't always be detected at all - one very tenuous benefit in terms of enforcement of intended usage; some alloca() implementations (such as GCC's) use an inlined macro for alloca(), so runtime substitution of a memory-usage diagnostic library isn't possible the way it is for malloc/realloc/free (e.g. electric fence)
• some implementations have subtle issues: for example, from the Linux manpage:

  On many systems alloca() cannot be used inside the list of arguments of a function call, because the stack space reserved by alloca() would appear on the stack in the middle of the space for the function arguments.

I know this question is tagged C, but as a C++ programmer I thought I'd use C++ to illustrate the potential utility of alloca: the code below (and here at ideone) creates a vector tracking differently sized polymorphic types that are stack allocated (with lifetime tied to function return) rather than heap allocated.

#include <alloca.h>
#include <iostream>
#include <vector>

struct Base
{
    virtual ~Base() { }
    virtual int to_int() const = 0;
};

struct Integer : Base
{
    Integer(int n) : n_(n) { }
    int to_int() const { return n_; }
    int n_;
};

struct Double : Base
{
    Double(double n) : n_(n) { }
    int to_int() const { return -n_; }
    double n_;
};

inline Base* factory(double d) __attribute__((always_inline));

inline Base* factory(double d)
{
    if ((double)(int)d != d)
        return new (alloca(sizeof(Double))) Double(d);
    else
        return new (alloca(sizeof(Integer))) Integer(d);
}

int main()
{
    std::vector<Base*> numbers;
    numbers.push_back(factory(29.3));
    numbers.push_back(factory(29));
    numbers.push_back(factory(7.1));
    numbers.push_back(factory(2));
    numbers.push_back(factory(231.0));
    for (std::vector<Base*>::const_iterator i = numbers.begin();
         i != numbers.end(); ++i)
    {
        std::cout << *i << ' ' << (*i)->to_int() << '\n';
        (*i)->~Base();   // optionally / else Undefined Behaviour iff the
                         // program depends on side effects of destructor
    }
}

You’re looking for urllib.parse.urlencode

import urllib.parse

params = {'username': 'administrator', 'password': 'xyz'}
encoded = urllib.parse.urlencode(params)
# Returns: 'username=administrator&password=xyz'

The simple way to fill the shape with the Radius is:

(view.getBackground()).setColorFilter(Color.parseColor("#FFDE03"), PorterDuff.Mode.SRC_IN);

In IE 5.5+, you can use the contentWindow property:

iframe.height = iframe.contentWindow.document.scrollHeight;

In Netscape 6 (assuming firefox as well), contentDocument property:

iframe.height = iframe.contentDocument.scrollHeight

First, sudo pip install 'package-name' means nothing it will return

sudo: pip: command not found

You get the Permission denied, you shouldn't use pip install as root anyway. You can just install the packages into your own user like mentionned above with

pip install 'package-name' --user

and it will work as you intend. If you need it in any other user just run the same command and you'll be good to go.

<script>
    function initMap() {
        //echo hiii;

        var map = new google.maps.Map(document.getElementById('map'), {
          center: new google.maps.LatLng(8.5241, 76.9366),
          zoom: 12
        });
        var infoWindow = new google.maps.InfoWindow;

        // Change this depending on the name of your PHP or XML file
        downloadUrl('https://storage.googleapis.com/mapsdevsite/json/mapmarkers2.xml', function(data) {
            var xml = data.responseXML;
            var markers = xml.documentElement.getElementsByTagName('package');
            Array.prototype.forEach.call(markers, function(markerElem) {
                var id = markerElem.getAttribute('id');
                // var name = markerElem.getAttribute('name');
                // var address = markerElem.getAttribute('address');
                // var type = markerElem.getAttribute('type');
                // var latitude = results[0].geometry.location.lat();
                // var longitude = results[0].geometry.location.lng();
                var point = new google.maps.LatLng(
                    parseFloat(markerElem.getAttribute('latitude')),
                    parseFloat(markerElem.getAttribute('longitude'))
                );

                var infowincontent = document.createElement('div');
                var strong = document.createElement('strong');
                strong.textContent = name
                infowincontent.appendChild(strong);
                infowincontent.appendChild(document.createElement('br'));

                var text = document.createElement('text');
                text.textContent = address
                infowincontent.appendChild(text);
                var icon = customLabel[type] || {};
                var package = new google.maps.Marker({
                    map: map,
                    position: point,
                    label: icon.label
                });

                package.addListener('click', function() {
                    infoWindow.setContent(infowincontent);
                    infoWindow.open(map, package);
                });
            });
        });
    }


    function downloadUrl(url, callback) {
        var request = window.ActiveXObject ?
            new ActiveXObject('Microsoft.XMLHTTP') :
            new XMLHttpRequest;

        request.onreadystatechange = function() {
            if (request.readyState == 4) {
                request.onreadystatechange = doNothing;
                callback(request, request.status);
            }
        };

        request.open('GET', url, true);
        request.send(null);
    }

I just found out that there must not be any character between the back tick and the line break. Even whitespace will cause the command to not work.

I suspect the problem is that you've put the "-D" after the -jar. Try this:

java -Dtest="true" -jar myApplication.jar

From the command line help:

java [-options] -jar jarfile [args...]

In other words, the way you've got it at the moment will treat -Dtest="true" as one of the arguments to pass to main instead of as a JVM argument.

(You should probably also drop the quotes, but it may well work anyway - it probably depends on your shell.)

Queue in Java is defined as an interface and many ready-to-use implementation is present as part of JDK release. Here are some: LinkedList, Priority Queue, ArrayBlockingQueue, ConcurrentLinkedQueue, Linked Transfer Queue, Synchronous Queue etc.

SO You can create any of these class and hold it as Queue reference. for example

import java.util.LinkedList;
import java.util.Queue;

public class QueueExample {

 public static void main (String[] args) {
  Queue que = new LinkedList();
  que.add("first");
  que.offer("second");
  que.offer("third");
  System.out.println("Queue Print:: " + que);
  
  String head = que.element();
  System.out.println("Head element:: " + head);
  
  String element1 = que.poll();
  System.out.println("Removed Element:: " + element1);
  
  System.out.println("Queue Print after poll:: " + que);
  String element2 = que.remove();
  System.out.println("Removed Element:: " + element2);
  
  System.out.println("Queue Print after remove:: " + que);  
 }
}

You can also implement your own custom Queue implementing Queue interface.

To prevent the flex items from shrinking, set the flex shrink factor to 0:

The flex shrink factor determines how much the flex item will shrink relative to the rest of the flex items in the flex container when negative free space is distributed. When omitted, it is set to 1.

.boxcontainer .box {
  flex-shrink: 0;
}

* {_x000D_
  box-sizing: border-box;_x000D_
}_x000D_
.wrapper {_x000D_
  width: 200px;_x000D_
  background-color: #EEEEEE;_x000D_
  border: 2px solid #DDDDDD;_x000D_
  padding: 1rem;_x000D_
}_x000D_
.boxcontainer {_x000D_
  position: relative;_x000D_
  left: 0;_x000D_
  border: 2px solid #BDC3C7;_x000D_
  transition: all 0.4s ease;_x000D_
  display: flex;_x000D_
}_x000D_
.boxcontainer .box {_x000D_
  width: 100%;_x000D_
  padding: 1rem;_x000D_
  flex-shrink: 0;_x000D_
}_x000D_
.boxcontainer .box:first-child {_x000D_
  background-color: #F47983;_x000D_
}_x000D_
.boxcontainer .box:nth-child(2) {_x000D_
  background-color: #FABCC1;_x000D_
}_x000D_
#slidetrigger:checked ~ .wrapper .boxcontainer {_x000D_
  left: -100%;_x000D_
}_x000D_
#overflowtrigger:checked ~ .wrapper {_x000D_
  overflow: hidden;_x000D_
}

<input type="checkbox" id="overflowtrigger" />_x000D_
<label for="overflowtrigger">Hide overflow</label><br />_x000D_
<input type="checkbox" id="slidetrigger" />_x000D_
<label for="slidetrigger">Slide!</label>_x000D_
<div class="wrapper">_x000D_
  <div class="boxcontainer">_x000D_
    <div class="box">_x000D_
      First bunch of content._x000D_
    </div>_x000D_
    <div class="box">_x000D_
      Second load  of content._x000D_
    </div>_x000D_
  </div>_x000D_
</div>

Use the isin method:

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

You most likely ran out of battery and your postgresql server didn't shutdown correctly.

The easiest workaround is to download the official postgresql app and launch it: it will force the server to start (http://postgresapp.com/)

Starting with your data frame DF, you could use the data.table package:

library(data.table)

## EDIT: As suggested by @MichaelChirico, setDT converts a
## data.frame to a data.table by reference and is preferred
## if you don't mind losing the data.frame
setDT(DF)

# EDIT: To get the column name 'Mean':

DF[, .(Mean = rowMeans(.SD)), by = ID]

#      ID     Mean
# [1,]  A 3.666667
# [2,]  B 4.333333
# [3,]  C 3.333333
# [4,]  D 4.666667
# [5,]  E 4.333333

input[type="text"]
{
    background: transparent;
    border: none;
}

Nobody will even know it's there.

public class Array_2D {
int arr[][];
public Array_2D() {
    Random r=new Random(10);
     arr = new int[5][10];
     for(int i=0;i<5;i++)
     {
         for(int j=0;j<10;j++)
         {
             arr[i][j]=(int)r.nextInt(10);
         }
     }
 }
  public void display()
  {
         for(int i=0;i<5;i++)

         {
             for(int j=0;j<10;j++)
             {
                 System.out.print(arr[i][j]+" "); 
             }
             System.out.println("");
         }
   }
     public static void main(String[] args) {
     Array_2D s=new Array_2D();
     s.display();
   }  
  }

ES6 now supports the startsWith() and endsWith() method for checking beginning and ending of strings. If you want to support pre-es6 engines, you might want to consider adding one of the suggested methods to the String prototype.

if (typeof String.prototype.startsWith != 'function') {
  String.prototype.startsWith = function (str) {
    return this.match(new RegExp("^" + str));
  };
}

if (typeof String.prototype.endsWith != 'function') {
  String.prototype.endsWith = function (str) {
    return this.match(new RegExp(str + "$"));
  };
}

var str = "foobar is not barfoo";
console.log(str.startsWith("foob"); // true
console.log(str.endsWith("rfoo");   // true

If you had all the branches to delete in a text file (branches-to-del.txt) (one branch per line), then you could do this to delete all such branches from the remote (origin): xargs -a branches-to-del.txt git push --delete origin

You (still) can not choose the position of the column using ALTER TABLE: it can only be added to the end of the table. You can obviously select the columns in any order you want, so unless you are using SELECT * FROM column order shouldn't be a big deal.

If you really must have them in a particular order and you can't drop and recreate the table, then you might be able to drop and recreate columns instead:-

First copy the table

CREATE TABLE my_tab_temp AS SELECT * FROM my_tab;

Then drop columns that you want to be after the column you will insert

ALTER TABLE my_tab DROP COLUMN three;

Now add the new column (two in this example) and the ones you removed.

ALTER TABLE my_tab ADD (two NUMBER(2), three NUMBER(10));

Lastly add back the data for the re-created columns

UPDATE my_tab SET my_tab.three = (SELECT my_tab_temp.three FROM my_tab_temp WHERE my_tab.one = my_tab_temp.one);

Obviously your update will most likely be more complex and you'll have to handle indexes and constraints and won't be able to use this in some cases (LOB columns etc). Plus this is a pretty hideous way to do this - but the table will always exist and you'll end up with the columns in a order you want. But does column order really matter that much?

By referring to all of the above comments, I have come to a solution.

This works if the Date passed is in ISO format or need to manipulate for other formats.

var isISO = "2018-08-01T18:30:00.000Z";

if (new Date(isISO) !== "Invalid Date" && !isNaN(new Date(isISO))) {
    if(isISO == new Date(isISO).toISOString()) {
        console.log("Valid date");
    } else {
        console.log("Invalid date");
    }
} else {
    console.log("Invalid date");
}

You can play here on JSFiddle.

Converting to unix timestamps makes doing date math easier in php:

$startTime = strtotime( '2010-05-01 12:00' );
$endTime = strtotime( '2010-05-10 12:00' );

// Loop between timestamps, 24 hours at a time
for ( $i = $startTime; $i <= $endTime; $i = $i + 86400 ) {
  $thisDate = date( 'Y-m-d', $i ); // 2010-05-01, 2010-05-02, etc
}

When using PHP with a timezone having DST, make sure to add a time that is not 23:00, 00:00 or 1:00 to protect against days skipping or repeating.

If you use the ASCIISTR function to convert the Unicode to literals of the form \nnnn, you can then use REGEXP_REPLACE to strip those literals out, like so...

UPDATE table SET field = REGEXP_REPLACE(ASCIISTR(field), '\\[[:xdigit:]]{4}', '')

...where field and table are your field and table names respectively.

"But glyph", I hear you asking, "what if I have to determine the maximum value for an opaque type whose maximum might eventually change?" You might continue: "What if it's a typedef in a library I don't control?"

I'm glad you asked, because I just spent a couple of hours cooking up a solution (which I then had to throw away, because it didn't solve my actual problem).

You can use this handy maxof macro to determine the size of any valid integer type.

#define issigned(t) (((t)(-1)) < ((t) 0))

#define umaxof(t) (((0x1ULL << ((sizeof(t) * 8ULL) - 1ULL)) - 1ULL) | \
                    (0xFULL << ((sizeof(t) * 8ULL) - 4ULL)))

#define smaxof(t) (((0x1ULL << ((sizeof(t) * 8ULL) - 1ULL)) - 1ULL) | \
                    (0x7ULL << ((sizeof(t) * 8ULL) - 4ULL)))

#define maxof(t) ((unsigned long long) (issigned(t) ? smaxof(t) : umaxof(t)))

You can use it like so:

int main(int argc, char** argv) {
    printf("schar: %llx uchar: %llx\n", maxof(char), maxof(unsigned char));
    printf("sshort: %llx ushort: %llx\n", maxof(short), maxof(unsigned short));
    printf("sint: %llx uint: %llx\n", maxof(int), maxof(unsigned int));
    printf("slong: %llx ulong: %llx\n", maxof(long), maxof(unsigned long));
    printf("slong long: %llx ulong long: %llx\n",
           maxof(long long), maxof(unsigned long long));
    return 0;
}

If you'd like, you can toss a '(t)' onto the front of those macros so they give you a result of the type that you're asking about, and you don't have to do casting to avoid warnings.

With PictureBox1
    .Visible = False
    .Width = TextBox1.Width + 4
    .Height = TextBox1.Height + 4
    .Left = TextBox1.Left - 2
    .Top = TextBox1.Top - 2
    .SendToBack()
    .Visible = True
End With

You can use contains too:

element = findElement(By.xpath("//input[contains (@test-id,"test-username")]");

I just went through the character map to get these. They are all in Calibri.

Number    Name                   HTML Code    Appearance
------    --------------------   ---------    ----------
U+2000    En Quad                       " "
U+2001    Em Quad                       " "
U+2002    En Space                      " "
U+2003    Em Space                      " "
U+2004    Three-Per-Em Space            " "
U+2005    Four-Per-Em Space             " "
U+2006    Six-Per-Em Space              " "
U+2007    Figure Space                  " "
U+2008    Punctuation Space             " "
U+2009    Thin Space                    " "
U+200A    Hair Space                    " "
U+200B    Zero-Width Space       ​      "​"
U+200C    Zero Width Non-Joiner  ‌      "‌"
U+200D    Zero Width Joiner      ‍      "‍"
U+200E    Left-To-Right Mark     ‎      "‎"
U+200F    Right-To-Left Mark     ‏      "‏"
U+202F    Narrow No-Break Space         " "

When you do not know the exact length of non-nil bytes in the array, you can trim it first:

string(bytes.Trim(arr, "\x00"))

.clearfix is defined in less/mixins.less. Right above its definition is a comment with a link to this article:

A new micro clearfix hack

The article explains how it all works.

UPDATE: Yes, link-only answers are bad. I knew this even at the time that I posted this answer, but I didn't feel like copying and pasting was OK due to copyright, plagiarism, and what have you. However, I now feel like it's OK since I have linked to the original article. I should also mention the author's name, though, for credit: Nicolas Gallagher. Here is the meat of the article (note that "Thierry’s method" is referring to Thierry Koblentz’s “clearfix reloaded”):

This “micro clearfix” generates pseudo-elements and sets their display to table. This creates an anonymous table-cell and a new block formatting context that means the :before pseudo-element prevents top-margin collapse. The :after pseudo-element is used to clear the floats. As a result, there is no need to hide any generated content and the total amount of code needed is reduced.

Including the :before selector is not necessary to clear the floats, but it prevents top-margins from collapsing in modern browsers. This has two benefits:

• It ensures visual consistency with other float containment techniques that create a new block formatting context, e.g., overflow:hidden

• It ensures visual consistency with IE 6/7 when zoom:1 is applied.

N.B.: There are circumstances in which IE 6/7 will not contain the bottom margins of floats within a new block formatting context. Further details can be found here: Better float containment in IE using CSS expressions.

The use of content:" " (note the space in the content string) avoids an Opera bug that creates space around clearfixed elements if the contenteditable attribute is also present somewhere in the HTML. Thanks to Sergio Cerrutti for spotting this fix. An alternative fix is to use font:0/0 a.

Legacy Firefox

Firefox < 3.5 will benefit from using Thierry’s method with the addition of visibility:hidden to hide the inserted character. This is because legacy versions of Firefox need content:"." to avoid extra space appearing between the body and its first child element, in certain circumstances (e.g., jsfiddle.net/necolas/K538S/.)

Alternative float-containment methods that create a new block formatting context, such as applying overflow:hidden or display:inline-block to the container element, will also avoid this behaviour in legacy versions of Firefox.

I use an interface and create an anonymous instance of it like so:

AppEntryPoint.java

public interface AppEntryPoint
{
    public void entryMethod();
}

Main.java

public class Main
{
    public static AppEntryPoint entryPoint;

    public static void main(String[] args)
    {
        entryPoint = new AppEntryPoint()
        {

            //You now have an environment to run your app from

            @Override
            public void entryMethod()
            {
                //Do something...
                System.out.println("Hello World!");
            }
        }

        entryPoint.entryMethod();
    }

    public static AppEntryPoint getApplicationEntryPoint()
    {
        return entryPoint;
    }
}

Not as elegant as creating an instance of that class and calling its own method, but accomplishes the same thing, essentially. Just another way to do it.

float and double are floating binary point types. In other words, they represent a number like this:

10001.10010110011

The binary number and the location of the binary point are both encoded within the value.

decimal is a floating decimal point type. In other words, they represent a number like this:

12345.65789

Again, the number and the location of the decimal point are both encoded within the value – that's what makes decimal still a floating point type instead of a fixed point type.

The important thing to note is that humans are used to representing non-integers in a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when using a floating decimal point as well – the result of dividing 1 by 3 can't be exactly represented, for example.

As for what to use when:

• For values which are "naturally exact decimals" it's good to use decimal. This is usually suitable for any concepts invented by humans: financial values are the most obvious example, but there are others too. Consider the score given to divers or ice skaters, for example.

• For values which are more artefacts of nature which can't really be measured exactly anyway, float/double are more appropriate. For example, scientific data would usually be represented in this form. Here, the original values won't be "decimally accurate" to start with, so it's not important for the expected results to maintain the "decimal accuracy". Floating binary point types are much faster to work with than decimals.

You need to add annotations to the Junit class, telling it to use the SpringJunitRunner. The ones you want are:

@ContextConfiguration("/test-context.xml")
@RunWith(SpringJUnit4ClassRunner.class)

This tells Junit to use the test-context.xml file in same directory as your test. This file should be similar to the real context.xml you're using for spring, but pointing to test resources, naturally.

Python IndentationError unindent does not match any outer indentation level

# usr/bin/bash -tt

or

# usr/bin/python -tt

Saving large files

Long data URIs can give performance problems in browsers. Another option to save client-side generated files, is to put their contents in a Blob (or File) object and create a download link using URL.createObjectURL(blob). This returns an URL that can be used to retrieve the contents of the blob. The blob is stored inside the browser until either URL.revokeObjectURL() is called on the URL or the document that created it is closed. Most web browsers have support for object URLs, Opera Mini is the only one that does not support them.

Forcing a download

If the data is text or an image, the browser can open the file, instead of saving it to disk. To cause the file to be downloaded upon clicking the link, you can use the the download attribute. However, not all web browsers have support for the download attribute. Another option is to use application/octet-stream as the file's mime-type, but this causes the file to be presented as a binary blob which is especially user-unfriendly if you don't or can't specify a filename. See also 'Force to open "Save As..." popup open at text link click for pdf in HTML'.

Specifying a filename

If the blob is created with the File constructor, you can also set a filename, but only a few web browsers (including Chrome & Firefox) have support for the File constructor. The filename can also be specified as the argument to the download attribute, but this is subject to a ton of security considerations. Internet Explorer 10 and 11 provides its own method, msSaveBlob, to specify a filename.

Example code

var file;_x000D_
var data = [];_x000D_
data.push("This is a test\n");_x000D_
data.push("Of creating a file\n");_x000D_
data.push("In a browser\n");_x000D_
var properties = {type: 'text/plain'}; // Specify the file's mime-type._x000D_
try {_x000D_
  // Specify the filename using the File constructor, but ..._x000D_
  file = new File(data, "file.txt", properties);_x000D_
} catch (e) {_x000D_
  // ... fall back to the Blob constructor if that isn't supported._x000D_
  file = new Blob(data, properties);_x000D_
}_x000D_
var url = URL.createObjectURL(file);_x000D_
document.getElementById('link').href = url;

<a id="link" target="_blank" download="file.txt">Download</a>

A simple switch statement should do the trick:

function abc() {
    var elem=document.getElementById('test'),color;
    switch(elem.style.color) {
        case('red'):
            color='black';
            break;
        case('black'):
        default:
            color='red';
    }
    elem.style.color=color;
}

Ensure you have the option "Contact all update sites during install to find required software". This option is located in the lower left corner on the first screen after choosing Help/Add New Software. This is unchecked by default. This WILL FIX the issue if it was unchecked.

The plugin will install in 3.7 32bit and 64bit.

(originally from Ways to sort lists of objects in Java based on multiple fields)

Original working code in this gist

Using Java 8 lambda's (added April 10, 2019)

Java 8 solves this nicely by lambda's (though Guava and Apache Commons might still offer more flexibility):

Collections.sort(reportList, Comparator.comparing(Report::getReportKey)
            .thenComparing(Report::getStudentNumber)
            .thenComparing(Report::getSchool));

Thanks to @gaoagong's answer below.

Note that one advantage here is that the getters are evaluated lazily (eg. getSchool() is only evaluated if relevant).

Messy and convoluted: Sorting by hand

Collections.sort(pizzas, new Comparator<Pizza>() {  
    @Override  
    public int compare(Pizza p1, Pizza p2) {  
        int sizeCmp = p1.size.compareTo(p2.size);  
        if (sizeCmp != 0) {  
            return sizeCmp;  
        }  
        int nrOfToppingsCmp = p1.nrOfToppings.compareTo(p2.nrOfToppings);  
        if (nrOfToppingsCmp != 0) {  
            return nrOfToppingsCmp;  
        }  
        return p1.name.compareTo(p2.name);  
    }  
});  

This requires a lot of typing, maintenance and is error prone. The only advantage is that getters are only invoked when relevant.

The reflective way: Sorting with BeanComparator

ComparatorChain chain = new ComparatorChain(Arrays.asList(
   new BeanComparator("size"), 
   new BeanComparator("nrOfToppings"), 
   new BeanComparator("name")));

Collections.sort(pizzas, chain);  

Obviously this is more concise, but even more error prone as you lose your direct reference to the fields by using Strings instead (no typesafety, auto-refactorings). Now if a field is renamed, the compiler won’t even report a problem. Moreover, because this solution uses reflection, the sorting is much slower.

Getting there: Sorting with Google Guava’s ComparisonChain

Collections.sort(pizzas, new Comparator<Pizza>() {  
    @Override  
    public int compare(Pizza p1, Pizza p2) {  
        return ComparisonChain.start().compare(p1.size, p2.size).compare(p1.nrOfToppings, p2.nrOfToppings).compare(p1.name, p2.name).result();  
        // or in case the fields can be null:  
        /* 
        return ComparisonChain.start() 
           .compare(p1.size, p2.size, Ordering.natural().nullsLast()) 
           .compare(p1.nrOfToppings, p2.nrOfToppings, Ordering.natural().nullsLast()) 
           .compare(p1.name, p2.name, Ordering.natural().nullsLast()) 
           .result(); 
        */  
    }  
});  

This is much better, but requires some boiler plate code for the most common use case: null-values should be valued less by default. For null-fields, you have to provide an extra directive to Guava what to do in that case. This is a flexible mechanism if you want to do something specific, but often you want the default case (ie. 1, a, b, z, null).

And as noted in the comments below, these getters are all evaluated immediately for each comparison.

Sorting with Apache Commons CompareToBuilder

Collections.sort(pizzas, new Comparator<Pizza>() {  
    @Override  
    public int compare(Pizza p1, Pizza p2) {  
        return new CompareToBuilder().append(p1.size, p2.size).append(p1.nrOfToppings, p2.nrOfToppings).append(p1.name, p2.name).toComparison();  
    }  
});  

Like Guava’s ComparisonChain, this library class sorts easily on multiple fields, but also defines default behavior for null values (ie. 1, a, b, z, null). However, you can’t specify anything else either, unless you provide your own Comparator.

Again, as noted in the comments below, these getters are all evaluated immediately for each comparison.

Thus

Ultimately it comes down to flavor and the need for flexibility (Guava’s ComparisonChain) vs. concise code (Apache’s CompareToBuilder).

Bonus method

I found a nice solution that combines multiple comparators in order of priority on CodeReview in a MultiComparator:

class MultiComparator<T> implements Comparator<T> {
    private final List<Comparator<T>> comparators;

    public MultiComparator(List<Comparator<? super T>> comparators) {
        this.comparators = comparators;
    }

    public MultiComparator(Comparator<? super T>... comparators) {
        this(Arrays.asList(comparators));
    }

    public int compare(T o1, T o2) {
        for (Comparator<T> c : comparators) {
            int result = c.compare(o1, o2);
            if (result != 0) {
                return result;
            }
        }
        return 0;
    }

    public static <T> void sort(List<T> list, Comparator<? super T>... comparators) {
        Collections.sort(list, new MultiComparator<T>(comparators));
    }
}

Ofcourse Apache Commons Collections has a util for this already:

ComparatorUtils.chainedComparator(comparatorCollection)

Collections.sort(list, ComparatorUtils.chainedComparator(comparators));

I found no answer to my satisfaction, so I figured out myself.

Here is the answer to you if you want to add external source codes to your project and don't want to copy over the entire codes. I have many dependencies on other gits and they are updated hourly if not minutely. I can't do copy every hour to sync up. Here is what you need to do.

Assume this is structure:

/root/projA/src

/root/projA/includes

/root/projB/src

/root/projB/includes

/root/yourProj/src

/root/yourProj/includes

1. Start your VS solution.
2. Right-click the project name right below the Solution.
3. Then click the "Add", "New Filter", put the name "projA" for projA.
4. Right-click on the "projA", click "Add", "New Filter", enter name "src"
5. Right-click on the "projA", click "Add", "New Filter", enter name "includes"
6. Right-click "projA"/"src", click "Add", "Existing Item", then browse to the /root/projA/src to add all source codes or one by one for the ones you want.
7. Do same for "projA"/"includes"

8. Do same for projB. Now the external/existing projects outside yours are present in your solution/project. The VS will compile them together. Here is an trick. Since the projA and projB are virtual folders under your project, the compiler may not find the projA/includes.

9. If it doesn't find the projA/includes, then right click the project, select the "Properties".

10. Navigate to "C/C++". Edit "Additional Include Directories", add your projA/include as such "../projA/includes", relative path.

One caveat, if there are duplicated include/header files, the "exclude from project" on the "Header file" doesn't really work. It's a bug in VS.

If you don't care about the columns where the missing files are, considering that the dataframe has the name New and one wants to assign the new dataframe to the same variable, simply run

New = New.drop_duplicates()

If you specifically want to remove the rows for the empty values in the column Tenant this will do the work

New = New[New.Tenant != '']

This may also be used for removing rows with a specific value - just change the string to the value that one wants.

Note: If instead of an empty string one has NaN, then

New = New.dropna(subset=['Tenant'])

Just click on attach source and select folder path ... name will be same as folder name (in my case). Remember one thing you need to select path upto project folder base location with "\" at suffix ex D:\MyProject\

If you just want to see your DB & Tables then the esiest way is to use Stetho. Pretty cool tool for every Android developer who uses SQLite buit by Facobook developed.

Steps to use the tool

1. Add below dependeccy in your application`s gradle file (Module: app)

'compile 'com.facebook.stetho:stetho:1.4.2'

2. Add below lines of code in your Activity onCreate() method

@Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 Stetho.initializeWithDefaults(this);
 setContentView(R.layout.activity_main);
 }

Now, build your application & When the app is running, you can browse your app database, by opening chrome in the url:

chrome://inspect/#devices

Screenshots of the same are as below_

ChromeInspact

Your DB

Hope this will help to all! :)

I need to decrypt a password. The password is crypted with password_hash function.

$password = 'examplepassword';
$crypted = password_hash($password, PASSWORD_DEFAULT);

Its not clear to me if you need password_verify, or you are trying to gain unauthorized access to the application or database. Other have talked about password_verify, so here's how you could gain unauthorized access. Its what bad guys often do when they try to gain access to a system.

First, create a list of plain text passwords. A plain text list can be found in a number of places due to the massive data breaches from companies like Adobe. Sort the list and then take the top 10,000 or 100,000 or so.

Second, create a list of digested passwords. Simply encrypt or hash the password. Based on your code above, it does not look like a salt is being used (or its a fixed salt). This makes the attack very easy.

Third, for each digested password in the list, perform a select in an attempt to find a user who is using the password:

$sql_script = 'select * from USERS where password="'.$digested_password.'"'

Fourth, profit.

So, rather than picking a user and trying to reverse their password, the bad guy picks a common password and tries to find a user who is using it. Odds are on the bad guy's side...

Because the bad guy does these things, it would behove you to not let users choose common passwords. In this case, take a look at ProCheck, EnFilter or Hyppocrates (et al). They are filtering libraries that reject bad passwords. ProCheck achieves very high compression, and can digest multi-million word password lists into a 30KB data file.

For a class diagram using Oracle database, use the following steps:

File ? Data Modeler ? Import ? Data Dictionary ? select DB connection ? Next ? select database->select tabels -> Finish

If you are trying to embed external js scripts to the vue.js component template, follow below:

I wanted to add a external javascript embed code to my component like this:

<template>
  <div>
    This is my component
    <script src="https://badge.dimensions.ai/badge.js"></script>
  </div>
<template>

And Vue showed me this error:

Templates should only be responsible for mapping the state to the UI. Avoid placing tags with side-effects in your templates, such as , as they will not be parsed.

The way I solved it was by adding type="application/javascript" (See this question to learn more about MIME type for js):

<script type="application/javascript" defer src="..."></script>

You may notice the defer attribute. If you want to learn more watch this video by Kyle

For angular 6 there is a new way of doing it. On your input tag add

(keyup.enter)="keyUpFunction($event)"

Where keyUpFunction($event) is your function.

why not try opening your file as text?

with open(fname, 'rt') as f:
    lines = [x.strip() for x in f.readlines()]

Additionally here is a link for python 3.x on the official page: https://docs.python.org/3/library/io.html And this is the open function: https://docs.python.org/3/library/functions.html#open

If you are really trying to handle it as a binary then consider encoding your string.

Have you verified that there is in fact a row where Staff_Id = @PersonID? What you've posted works fine in a test script, assuming the row exists. If you comment out the insert statement, then the error is raised.

set nocount on

create table Timesheet_Hours (Staff_Id int, BookedHours int, Posted_Flag bit)

insert into Timesheet_Hours (Staff_Id, BookedHours, Posted_Flag) values (1, 5.5, 0)

declare @PersonID int
set @PersonID = 1

IF EXISTS    
    (
    SELECT 1    
    FROM Timesheet_Hours    
    WHERE Posted_Flag = 1    
        AND Staff_Id = @PersonID    
    )    
    BEGIN
        RAISERROR('Timesheets have already been posted!', 16, 1)
        ROLLBACK TRAN
    END
ELSE
    IF NOT EXISTS
        (
        SELECT 1
        FROM Timesheet_Hours
        WHERE Staff_Id = @PersonID
        )
        BEGIN
            RAISERROR('Default list has not been loaded!', 16, 1)
            ROLLBACK TRAN
        END
    ELSE
        print 'No problems here'

drop table Timesheet_Hours

To answer your extra question:

You can set which rows should be repeated on every page using:

$objPHPExcel->getActiveSheet()->getPageSetup()->setRowsToRepeatAtTopByStartAndEnd(1, 5);

Now, row 1, 2, 3, 4 and 5 will be repeated.

It may be the typo if you incorrectly wrote the placeholder word. In my case I misspelled it as placehoder and got the error like this: AttributeError: 'module' object has no attribute 'placehoder'

You need to use the cURL library to send this request.

<?php
// Your ID and token
$blogID = '8070105920543249955';
$authToken = 'OAuth 2.0 token here';

// The data to send to the API
$postData = array(
    'kind' => 'blogger#post',
    'blog' => array('id' => $blogID),
    'title' => 'A new post',
    'content' => 'With <b>exciting</b> content...'
);

// Setup cURL
$ch = curl_init('https://www.googleapis.com/blogger/v3/blogs/'.$blogID.'/posts/');
curl_setopt_array($ch, array(
    CURLOPT_POST => TRUE,
    CURLOPT_RETURNTRANSFER => TRUE,
    CURLOPT_HTTPHEADER => array(
        'Authorization: '.$authToken,
        'Content-Type: application/json'
    ),
    CURLOPT_POSTFIELDS => json_encode($postData)
));

// Send the request
$response = curl_exec($ch);

// Check for errors
if($response === FALSE){
    die(curl_error($ch));
}

// Decode the response
$responseData = json_decode($response, TRUE);

// Close the cURL handler
curl_close($ch);

// Print the date from the response
echo $responseData['published'];

If, for some reason, you can't/don't want to use cURL, you can do this:

<?php
// Your ID and token
$blogID = '8070105920543249955';
$authToken = 'OAuth 2.0 token here';

// The data to send to the API
$postData = array(
    'kind' => 'blogger#post',
    'blog' => array('id' => $blogID),
    'title' => 'A new post',
    'content' => 'With <b>exciting</b> content...'
);

// Create the context for the request
$context = stream_context_create(array(
    'http' => array(
        // http://www.php.net/manual/en/context.http.php
        'method' => 'POST',
        'header' => "Authorization: {$authToken}\r\n".
            "Content-Type: application/json\r\n",
        'content' => json_encode($postData)
    )
));

// Send the request
$response = file_get_contents('https://www.googleapis.com/blogger/v3/blogs/'.$blogID.'/posts/', FALSE, $context);

// Check for errors
if($response === FALSE){
    die('Error');
}

// Decode the response
$responseData = json_decode($response, TRUE);

// Print the date from the response
echo $responseData['published'];

I've had this problem too, I had just forgotten to type workon myproject in the terminal before executing my program.

.className {
   content: '\&#x2713';
}

Using CSS content Property you can show tick with an image or other codesign.

DataRow dataRow = dataTable.AsEnumerable().FirstOrDefault(r => Convert.ToInt32(r["ID"]) == 5);
if (dataRow != null)
{
    // code
}

If it is a typed DataSet:

MyDatasetType.MyDataTableRow dataRow = dataSet.MyDataTable.FirstOrDefault(r => r.ID == 5);
if (dataRow != null)
{
    // code
}

You can use the name property for that particular element. For example to set a border of 2px around an input element with name xyz, you can use;

$(function() {
    $("input[name = 'xyz']").css("border","2px solid red");
})

DEMO

Dedicated functions, nafill and setnafill, for that purpose is in data.table. Whenever available, they distribute columns to be computed on multiple threads.

library(data.table)

ans_df <- nafill(df, fill=0)

# or even faster, in-place
setnafill(df, fill=0)

This works well for console in debug mode

log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.Threshold=DEBUG
log4j.appender.console.Target=System.out
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.conversionPattern=%d{yyyy-MM-dd HH:mm:ss,SSS} %-5p - %m%n

I would like to recommend:
Microsoft Edge Run Wrapper
https://github.com/mihula/RunEdge

You run it this way:

RunEdge.exe [URL]

• where URL may or may not contains protocol (http://), when not provided, wrapper adds http://
• if URL not provided at all, it just opens edge

Examples:

RunEdge.exe http://google.com
RunEdge.exe www.stackoverflow.com

It is not exactly new way how to do it, but it is wrapped as exe file, which could be useful in some situations. For me it is way how to start Edge from IBM Notes Basic client.

Flexbox spec editor here.

This is an encouraged use of flexbox, but there are a few things you should tweak for best behavior.

• Don't use prefixes. Unprefixed flexbox is well-supported across most browsers. Always start with unprefixed, and only add prefixes if necessary to support it.

• Since your header and footer aren't meant to flex, they should both have flex: none; set on them. Right now you have a similar behavior due to some overlapping effects, but you shouldn't rely on that unless you want to accidentally confuse yourself later. (Default is flex:0 1 auto, so they start at their auto height and can shrink but not grow, but they're also overflow:visible by default, which triggers their default min-height:auto to prevent them from shrinking at all. If you ever set an overflow on them, the behavior of min-height:auto changes (switching to zero rather than min-content) and they'll suddenly get squished by the extra-tall <article> element.)

• You can simplify the <article> flex too - just set flex: 1; and you'll be good to go. Try to stick with the common values in https://drafts.csswg.org/css-flexbox/#flex-common unless you have a good reason to do something more complicated - they're easier to read and cover most of the behaviors you'll want to invoke.

Do this:

"android:style/Theme.Holo.Light.DarkActionBar"

You missed the android keyword before style. This denotes that it is an inbuilt style for Android.

text_file = open("Output.txt", "w")
text_file.write("Purchase Amount: %s" % TotalAmount)
text_file.close()

If you use a context manager, the file is closed automatically for you

with open("Output.txt", "w") as text_file:
    text_file.write("Purchase Amount: %s" % TotalAmount)

If you're using Python2.6 or higher, it's preferred to use str.format()

with open("Output.txt", "w") as text_file:
    text_file.write("Purchase Amount: {0}".format(TotalAmount))

For python2.7 and higher you can use {} instead of {0}

In Python3, there is an optional file parameter to the print function

with open("Output.txt", "w") as text_file:
    print("Purchase Amount: {}".format(TotalAmount), file=text_file)

Python3.6 introduced f-strings for another alternative

with open("Output.txt", "w") as text_file:
    print(f"Purchase Amount: {TotalAmount}", file=text_file)

1.Goto File -> New -> Import Module
   2.Source Directory -> Browse the project path.
   3.Specify the Module Name – it is used for internal project reference.

Open build.gradle (Module:app) file.

 implementation project(':library')

Here are some links that I found on face recognition libraries.

• Android's FaceDetector.Face
  • Tutorial: Implementing Face Detection in Android
• OpenCV Facerecog

Image Identification links:

• Moodstocks
• Ltutech

I believe you could addClass to the element. But either way you'd have to use Jquery or reg JS

div {
  opacity:0;
  transition:opacity 1s linear;*
}
div.SomeClass {
  opacity:1;
}

You can use

DispatchQueue.main.asyncAfter(deadline: .now() + .microseconds(100)) {
        // Code
    }

//create a file handler by opening the file
$myTextFileHandler = @fopen("filelist.txt","r+");

//truncate the file to zero
//or you could have used the write method and written nothing to it
@ftruncate($myTextFileHandler, 0);

//use location header to go back to index.html
header("Location:index.html");

I don't exactly know where u want to show the result.

var firstNumber=5000,
secondeNumber=37;

var decimalResult = decimal.Divide(firstNumber,secondeNumber);

Console.WriteLine(decimalResult );

In my case I created a database and gave the collation 'utf8_general_ci' but the required collation was 'latin1'. After changing my collation type to latin1_bin the error was gone.

Actually, if you're using AngularJS, you don't need jQuery anymore. AngularJS itself has the binding and directive, which is a very good "replacement" for most things you can do with jQuery.

I usually develop mobile applications using AngularJS and Cordova. The ONLY thing from jQuery I needed is the Selector.

By googling, I see that there is a standalone jQuery selector module out there. It's Sizzle.

And I decided to make a tiny code snippet that help me quickly start a website using AngularJS with the power of jQuery Selector (using Sizzle).

I shared my code here: https://github.com/huytd/Sizzular

I recently saw this one-liner:

def foo(name: str, opts: dict=None) -> str:
    opts = {} if not opts else opts
    pass

You can use the not function rather than the :not selector:

$(".content a").not(this).hide("slow")

Unobtrusive Javascript has many many advantages, here are the steps it takes and why it's good to use.

1. the link loads as normal:

   <a id="DaLink" href="http://host/toAnewPage.html">click here</a>

this is important becuase it will work for browsers with javascript not enabled, or if there is an error in the javascript code that doesn't work.

2. javascript runs on page load:

    window.onload = function(){
           document.getElementById("DaLink").onclick = function(){
                  if(funcitonToCall()){
                      // most important step in this whole process
                      return false;
                  }
           }
    }
   

3. if the javascript runs successfully, maybe loading the content in the current page with javascript, the return false cancels the link firing. in other words putting return false has the effect of disabling the link if the javascript ran successfully. While allowing it to run if the javascript does not, making a nice backup so your content gets displayed either way, for search engines and if your code breaks, or is viewed on an non-javascript system.

best book on the subject is "Dom Scription" by Jeremy Keith