From version 1.9 Easier and official way of getting json

from django.http import JsonResponse
from django.forms.models import model_to_dict


return JsonResponse(  model_to_dict(modelinstance) )

For Rails 5 (and likely Rails 4)

Bad:

Something.last(5)

because:

Something.last(5).class
=> Array

so:

Something.last(50000).count

will likely blow up your memory or take forever.

Good approach:

Something.limit(5).order('id desc')

because:

Something.limit(5).order('id desc').class
=> Image::ActiveRecord_Relation

Something.limit(5).order('id desc').to_sql
=> "SELECT  \"somethings\".* FROM \"somethings\" ORDER BY id desc LIMIT 5"

The latter is an unevaluated scope. You can chain it, or convert it to an array via .to_a. So:

Something.limit(50000).order('id desc').count

... takes a second.

I tried some of the suggested answers but it didn't resolve the issue. Finally I found out that the default connection timeout (not command timeout) is 15 seconds and once I increased it to 60 it almost never happened again. simply add this to you connection string: ;Connection Timeout=60 I chose 60 seconds but you can put any value you think would fit the best to your needs.

This worked for me perfectly:

1.git stash to save your local modifications

If you want to discard changes
git clean -df
git checkout -- .
git clean removes all untracked files (warning: while it won't delete ignored files mentioned directly in .gitignore, it may delete ignored files residing in folders) and git checkout clears all unstaged changes.

2.git checkout master to switch to the main branch (Assuming you want to use master)
3.git pull to pull last commit from master branch
4.git status in order to check everything looks great

On branch master
Your branch is up-to-date with 'origin/master'.

Another reason to the error may be if you are running a cron job that updates a subversion working copy and then has attempted to run a versioned script that was in a conflicted state after the update...

use std::stringstream

unsigned int x;   
std::stringstream ss;
ss << std::hex << "fffefffe";
ss >> x;

the following example produces -65538 as its result:

#include <sstream>
#include <iostream>

int main() {
    unsigned int x;   
    std::stringstream ss;
    ss << std::hex << "fffefffe";
    ss >> x;
    // output it as a signed type
    std::cout << static_cast<int>(x) << std::endl;
}

In the new C++11 standard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.com/w/cpp/string/basic_string/stol and http://en.cppreference.com/w/cpp/string/basic_string/stoul). These are essentially thin wrappers around C's string to number conversion functions, but know how to deal with a std::string

So, the simplest answer for newer code would probably look like this:

std::string s = "0xfffefffe";
unsigned int x = std::stoul(s, nullptr, 16);

NOTE: Below is my original answer, which as the edit says is not a complete answer. For a functional solution, stick the code above the line :-).

It appears that since lexical_cast<> is defined to have stream conversion semantics. Sadly, streams don't understand the "0x" notation. So both the boost::lexical_cast and my hand rolled one don't deal well with hex strings. The above solution which manually sets the input stream to hex will handle it just fine.

Boost has some stuff to do this as well, which has some nice error checking capabilities as well. You can use it like this:

try {
    unsigned int x = lexical_cast<int>("0x0badc0de");
} catch(bad_lexical_cast &) {
    // whatever you want to do...
}

If you don't feel like using boost, here's a light version of lexical cast which does no error checking:

template<typename T2, typename T1>
inline T2 lexical_cast(const T1 &in) {
    T2 out;
    std::stringstream ss;
    ss << in;
    ss >> out;
    return out;
}

which you can use like this:

// though this needs the 0x prefix so it knows it is hex
unsigned int x = lexical_cast<unsigned int>("0xdeadbeef"); 

There are two major options in matplotlib (pylab) to control the image size:

1. You can set the size of the resulting image in inches
2. You can define the DPI (dots per inch) for output file (basically, it is a resolution)

Normally, you would like to do both, because this way you will have full control over the resulting image size in pixels. For example, if you want to render exactly 800x600 image, you can use DPI=100, and set the size as 8 x 6 in inches:

import matplotlib.pyplot as plt
# plot whatever you need...
# now, before saving to file:
figure = plt.gcf() # get current figure
figure.set_size_inches(8, 6)
# when saving, specify the DPI
plt.savefig("myplot.png", dpi = 100)

One can use any DPI. In fact, you might want to play with various DPI and size values to get the result you like the most. Beware, however, that using very small DPI is not a good idea, because matplotlib may not find a good font to render legend and other text. For example, you cannot set the DPI=1, because there are no fonts with characters rendered with 1 pixel :)

From other comments I understood that other issue you have is proper text rendering. For this, you can also change the font size. For example, you may use 6 pixels per character, instead of 12 pixels per character used by default (effectively, making all text twice smaller).

import matplotlib
#...
matplotlib.rc('font', size=6)

Finally, some references to the original documentation: http://matplotlib.sourceforge.net/api/pyplot_api.html#matplotlib.pyplot.savefig, http://matplotlib.sourceforge.net/api/pyplot_api.html#matplotlib.pyplot.gcf, http://matplotlib.sourceforge.net/api/figure_api.html#matplotlib.figure.Figure.set_size_inches, http://matplotlib.sourceforge.net/users/customizing.html#dynamic-rc-settings

P.S. Sorry, I didn't use pylab, but as far as I'm aware, all the code above will work same way in pylab - just replace plt in my code with the pylab (or whatever name you assigned when importing pylab). Same for matplotlib - use pylab instead.

The ideal way is not to use ioutil.ReadAll, but rather use a decoder on the reader directly. Here's a nice function that gets a url and decodes its response onto a target structure.

var myClient = &http.Client{Timeout: 10 * time.Second}

func getJson(url string, target interface{}) error {
    r, err := myClient.Get(url)
    if err != nil {
        return err
    }
    defer r.Body.Close()

    return json.NewDecoder(r.Body).Decode(target)
}

Example use:

type Foo struct {
    Bar string
}

func main() {
    foo1 := new(Foo) // or &Foo{}
    getJson("http://example.com", foo1)
    println(foo1.Bar)

    // alternately:

    foo2 := Foo{}
    getJson("http://example.com", &foo2)
    println(foo2.Bar)
}

You should not be using the default *http.Client structure in production as this answer originally demonstrated! (Which is what http.Get/etc call to). The reason is that the default client has no timeout set; if the remote server is unresponsive, you're going to have a bad day.

If you want to create a garage and fill it up with new cars that can be accessed later, use this code:

for (int i = 0; i < garage.length; i++)
     garage[i] = new Car("argument");

Also, the cars are later accessed using:

garage[0];
garage[1];
garage[2];
etc.

You can use # at the beginning of a line to start a comment (whitespaces before # are allowed):

# do some stuff
RUN apt-get update \
    # install some packages
    apt-get install -y cron

#'s in the middle of a string are passed to the command itself, e.g.:

RUN echo 'we are running some # of cool things'

1. How to find it

• Open Android studio, go to Android Studio > Preferences
• Search for sdk
• Something similar to this (this is a Windows box as you can see) will show

You can see the location there – most of the time it is:

/Users/<name>/Library/Android/sdk

2. How to install it, if not there

• Go to Android standalone SDK download page
• Download the zip file for macOS
• Extract it to a directory

3. How to add it to the path

Open your Terminal edit your ~/.bash_profile file in nano by typing:

nano ~/.bash_profile

If you use Zsh, edit ~/.zshrc instead.

Go to the end of the file and add the directory path to your $PATH:

export PATH="${HOME}/Library/Android/sdk/tools:${HOME}/Library/Android/sdk/platform-tools:${PATH}"

• Save it by pressing Ctrl+X
• Restart the Terminal
• To see if it is working or not, type in the name of any file or binary which are inside the directories that you've added (e.g. adb) and verify it is opened/executed

Turning Marc Gravell's answer into an extension method, I made the following.

internal static IEnumerable<Tuple<TLeft, TRight>> LeftJoin<TLeft, TRight, TKey>(
    this IEnumerable<TLeft> left,
    IEnumerable<TRight> right,
    Func<TLeft, TKey> selectKeyLeft,
    Func<TRight, TKey> selectKeyRight,
    TRight defaultRight = default(TRight),
    IEqualityComparer<TKey> cmp = null)
{
    return left.GroupJoin(
            right,
            selectKeyLeft,
            selectKeyRight,
            (x, y) => new Tuple<TLeft, IEnumerable<TRight>>(x, y),
            cmp ?? EqualityComparer<TKey>.Default)
        .SelectMany(
            x => x.Item2.DefaultIfEmpty(defaultRight),
            (x, y) => new Tuple<TLeft, TRight>(x.Item1, y));
}

A quick way to do it in sql server 2012 is as follows:

SELECT FORMAT(GETDATE() , 'dd/MM/yyyy HH:mm:ss')

 <! ––  add this code in your class called menu_links -->
<style> 
.menu_links{
cursor: pointer;
}
</style>

In the above code [cursor:pointer] is used to access the hand like cursor that appears when you hover over a link.

And if you use [cursor: default] it will show the usual arrow cursor that appears.

To know more about cursors and their appearance click the below link: https://www.w3schools.com/cssref/pr_class_cursor.asp

You can use JSONPath

Doing something like this:

results = JSONPath(null, TestObj, "$..[?(@.id=='A')]")

Note that JSONPath returns an array of results

(I have not tested the expression "$..[?(@.id=='A')]" btw. Maybe it needs to be fine-tuned with the help of a browser console)

You can use the function RESHAPE:

B = reshape(A.',1,[]);

Is there use case you can provide?

Anywhere you want to store an object name for use by database maintenance scripts. For example, a script purges old rows from certain tables that have a date column. It's configured with a table that gives table name, column name to filter on, and how many days of history to keep. Another script dumps certain tables to CSV files, and again is configured with a table listing the tables to dump. These configuration tables can use the sysname type to store table and column names.

Steve Ebersole & other members,
Would you kindly explain the reason for an id with a larger gap(by default 50)? I am using Hibernate 4.2.15 and found the following code in org.hibernate.id.enhanced.OptimizerFactory cass.

if ( lo > maxLo ) {
   lastSourceValue = callback.getNextValue();
   lo = lastSourceValue.eq( 0 ) ? 1 : 0;
   hi = lastSourceValue.copy().multiplyBy( maxLo+1 ); 
}  
value = hi.copy().add( lo++ );

Whenever it hits the inside of the if statement, hi value is getting much larger. So, my id during the testing with the frequent server restart generates the following sequence ids:
1, 2, 3, 4, 19, 250, 251, 252, 400, 550, 750, 751, 752, 850, 1100, 1150.

I know you already said it didn't conflict with the spec, but I believe this will be very unexpected situation for most developers.

Anyone's input will be much helpful.

Jihwan

UPDATE: ne1410s: Thanks for the edit.
cfrick: OK. I will do that. It was my first post here and wasn't sure how to use it.

Now, I understood better why maxLo was used for two purposes: Since the hibernate calls the DB sequence once, keep increase the id in Java level, and saves it to the DB, the Java level id value should consider how much was changed without calling the DB sequence when it calls the sequence next time.

For example, sequence id was 1 at a point and hibernate entered 5, 6, 7, 8, 9 (with allocationSize = 5). Next time, when we get the next sequence number, DB returns 2, but hibernate needs to use 10, 11, 12... So, that is why "hi = lastSourceValue.copy().multiplyBy( maxLo+1 )" is used to get a next id 10 from the 2 returned from the DB sequence. It seems only bothering thing was during the frequent server restart and this was my issue with the larger gap.

So, when we use the SEQUENCE ID, the inserted id in the table will not match with the SEQUENCE number in DB.

As Phil noted, the empty string is treated as a NULL, and NULL is not equal or unequal to anything. If you expect empty strings or NULLs, you'll need to handle those with NVL():

 DECLARE
 str1  varchar2(4000);
 str2  varchar2(4000);
 BEGIN
   str1:='';
   str2:='sdd';
-- Provide an alternate null value that does not exist in your data:
   IF(NVL(str1,'X') != NVL(str2,'Y')) THEN
    dbms_output.put_line('The two strings are not equal');
   END IF;
 END;
 /

Concerning null comparisons:

According to the Oracle 12c documentation on NULLS, null comparisons using IS NULL or IS NOT NULL do evaluate to TRUE or FALSE. However, all other comparisons evaluate to UNKNOWN, not FALSE. The documentation further states:

A condition that evaluates to UNKNOWN acts almost like FALSE. For example, a SELECT statement with a condition in the WHERE clause that evaluates to UNKNOWN returns no rows. However, a condition evaluating to UNKNOWN differs from FALSE in that further operations on an UNKNOWN condition evaluation will evaluate to UNKNOWN. Thus, NOT FALSE evaluates to TRUE, but NOT UNKNOWN evaluates to UNKNOWN.

A reference table is provided by Oracle:

Condition       Value of A    Evaluation
----------------------------------------
a IS NULL       10            FALSE
a IS NOT NULL   10            TRUE        
a IS NULL       NULL          TRUE
a IS NOT NULL   NULL          FALSE
a = NULL        10            UNKNOWN
a != NULL       10            UNKNOWN
a = NULL        NULL          UNKNOWN
a != NULL       NULL          UNKNOWN
a = 10          NULL          UNKNOWN
a != 10         NULL          UNKNOWN

I also learned that we should not write PL/SQL assuming empty strings will always evaluate as NULL:

Oracle Database currently treats a character value with a length of zero as null. However, this may not continue to be true in future releases, and Oracle recommends that you do not treat empty strings the same as nulls.

As a hack,

Check if the folder path it is complaining exists or not. If not, try creating them manually and rerun the installation, after clearing the cache

I had success with this, when running the installation from command prompt as an Administrator didn't work

It is the same as the HTML or JavaScript block comments:

<!-- The to-be-commented XML block goes here. -->

set is what you want, so you should use set. Trying to be clever introduces subtle bugs like forgetting to add one tomax(mylist)! Code defensively. Worry about what's faster when you determine that it is too slow.

range(min(mylist), max(mylist) + 1)  # <-- don't forget to add 1

I think it is telling you exactly what is wrong. You cannot compare an integer with a varchar. PostgreSQL is strict and does not do any magic typecasting for you. I'm guessing SQLServer does typecasting automagically (which is a bad thing).

If you want to compare these two different beasts, you will have to cast one to the other using the casting syntax ::.

Something along these lines:

create view view1
as 
select table1.col1,table2.col1,table3.col3
from table1 
inner join
table2 
inner join 
table3
on 
table1.col4::varchar = table2.col5
/* Here col4 of table1 is of "integer" type and col5 of table2 is of type "varchar" */
/* ERROR: operator does not exist: integer = character varying */
....;

Notice the varchar typecasting on the table1.col4.

Also note that typecasting might possibly render your index on that column unusable and has a performance penalty, which is pretty bad. An even better solution would be to see if you can permanently change one of the two column types to match the other one. Literately change your database design.

Or you could create a index on the casted values by using a custom, immutable function which casts the values on the column. But this too may prove suboptimal (but better than live casting).

In addition to the dropDuplicates option there is the method named as we know it in pandas drop_duplicates:

drop_duplicates() is an alias for dropDuplicates().

Example

s_df = sqlContext.createDataFrame([("foo", 1),
                                   ("foo", 1),
                                   ("bar", 2),
                                   ("foo", 3)], ('k', 'v'))
s_df.show()

+---+---+
|  k|  v|
+---+---+
|foo|  1|
|foo|  1|
|bar|  2|
|foo|  3|
+---+---+

Drop by subset

s_df.drop_duplicates(subset = ['k']).show()

+---+---+
|  k|  v|
+---+---+
|bar|  2|
|foo|  1|
+---+---+
s_df.drop_duplicates().show()


+---+---+
|  k|  v|
+---+---+
|bar|  2|
|foo|  3|
|foo|  1|
+---+---+

Yes, H2 supports executing SQL statements when connecting. You could run a script, or just a statement or two:

String url = "jdbc:h2:mem:test;" + 
             "INIT=CREATE SCHEMA IF NOT EXISTS TEST"
String url = "jdbc:h2:mem:test;" + 
             "INIT=CREATE SCHEMA IF NOT EXISTS TEST\\;" + 
                  "SET SCHEMA TEST";
String url = "jdbc:h2:mem;" + 
             "INIT=RUNSCRIPT FROM '~/create.sql'\\;" + 
                  "RUNSCRIPT FROM '~/populate.sql'";

Please note the double backslash (\\) is only required within Java. The backslash(es) before ; within the INIT is required.

I will add my experience using saga in production system in addition to the library author's rather thorough answer.

Pro (using saga):

• Testability. It's very easy to test sagas as call() returns a pure object. Testing thunks normally requires you to include a mockStore inside your test.

• redux-saga comes with lots of useful helper functions about tasks. It seems to me that the concept of saga is to create some kind of background worker/thread for your app, which act as a missing piece in react redux architecture(actionCreators and reducers must be pure functions.) Which leads to next point.

• Sagas offer independent place to handle all side effects. It is usually easier to modify and manage than thunk actions in my experience.

Con:

• Generator syntax.

• Lots of concepts to learn.

• API stability. It seems redux-saga is still adding features (eg Channels?) and the community is not as big. There is a concern if the library makes a non backward compatible update some day.

Use the oncontextmenu event.

Here's an example:

<div oncontextmenu="javascript:alert('success!');return false;">
    Lorem Ipsum
</div>

And using event listeners (credit to rampion from a comment in 2011):

el.addEventListener('contextmenu', function(ev) {
    ev.preventDefault();
    alert('success!');
    return false;
}, false);

Don't forget to return false, otherwise the standard context menu will still pop up.

If you are going to use a function you've written rather than javascript:alert("Success!"), remember to return false in BOTH the function AND the oncontextmenu attribute.

If you have a more complicated use case than described in the answer of Glennie Helles Sindholt e.g. you have other/few non-join column names that are also same and want to distinguish them while selecting it's best to use aliasses, e.g:

df3 = df1.select("a", "b").alias("left")\
   .join(df2.select("a", "b").alias("right"), ["a"])\
   .select("left.a", "left.b", "right.b")

df3.columns
['a', 'b', 'b']

This design was not mentioned yet:

Multiple lineage columns

Though it has limitations, if you can bear them, it's very simple and very efficient. Features:

• Columns: one for each lineage level, refers to all the parents up to the root, levels below the current items' level are set to 0 (or NULL)
• There is a fixed limit to how deep the hierarchy can be
• Cheap ancestors, descendants, level
• Cheap insert, delete, move of the leaves
• Expensive insert, delete, move of the internal nodes

Here follows an example - taxonomic tree of birds so the hierarchy is Class/Order/Family/Genus/Species - species is the lowest level, 1 row = 1 taxon (which corresponds to species in the case of the leaf nodes):

CREATE TABLE `taxons` (
  `TaxonId` smallint(6) NOT NULL default '0',
  `ClassId` smallint(6) default NULL,
  `OrderId` smallint(6) default NULL,
  `FamilyId` smallint(6) default NULL,
  `GenusId` smallint(6) default NULL,
  `Name` varchar(150) NOT NULL default ''
);

and the example of the data:

+---------+---------+---------+----------+---------+-------------------------------+
| TaxonId | ClassId | OrderId | FamilyId | GenusId | Name                          |
+---------+---------+---------+----------+---------+-------------------------------+
|     254 |       0 |       0 |        0 |       0 | Aves                          |
|     255 |     254 |       0 |        0 |       0 | Gaviiformes                   |
|     256 |     254 |     255 |        0 |       0 | Gaviidae                      |
|     257 |     254 |     255 |      256 |       0 | Gavia                         |
|     258 |     254 |     255 |      256 |     257 | Gavia stellata                |
|     259 |     254 |     255 |      256 |     257 | Gavia arctica                 |
|     260 |     254 |     255 |      256 |     257 | Gavia immer                   |
|     261 |     254 |     255 |      256 |     257 | Gavia adamsii                 |
|     262 |     254 |       0 |        0 |       0 | Podicipediformes              |
|     263 |     254 |     262 |        0 |       0 | Podicipedidae                 |
|     264 |     254 |     262 |      263 |       0 | Tachybaptus                   |

This is great because this way you accomplish all the needed operations in a very easy way, as long as the internal categories don't change their level in the tree.

The scroll speed CAN be changed, adjusted, reversed, all of the above - via javascript (or a js library such as jQuery).

WHY would you want to do this? Parallax is just one of the reasons. I have no idea why anyone would argue against doing so -- the same negative arguments can be made against hiding DIVs, sliding elements up/down, etc. Websites are always a combination of technical functionality and UX design -- a good designer can use almost any technical capability to improve UX. That is what makes him/her good.

Toni Almeida of Portugal created a brilliant demo, reproduced below:

jsFiddle Demo

HTML:

<div id="myDiv">
    Use the mouse wheel (not the scroll bar) to scroll this DIV. You will see that the scroll eventually slows down, and then stops. <span class="boldit">Use the mouse wheel (not the scroll bar) to scroll this DIV. You will see that the scroll eventually slows down, and then stops. </span>
</div>

javascript/jQuery:

  function wheel(event) {
      var delta = 0;
      if (event.wheelDelta) {(delta = event.wheelDelta / 120);}
      else if (event.detail) {(delta = -event.detail / 3);}

      handle(delta);
      if (event.preventDefault) {(event.preventDefault());}
      event.returnValue = false;
  }

  function handle(delta) {
      var time = 1000;
      var distance = 300;

      $('html, body').stop().animate({
          scrollTop: $(window).scrollTop() - (distance * delta)
      }, time );
  }

  if (window.addEventListener) {window.addEventListener('DOMMouseScroll', wheel, false);}
    window.onmousewheel = document.onmousewheel = wheel;

Source:

How to change default scrollspeed,scrollamount,scrollinertia of a webpage

If you want to copy a source directory entirely with the same directory structure, Then don't use a star(*). Write COPY command in Dockerfile as below.

COPY . destinatio-directory/ 

First create the file you want, with any editor like vi r gedit. And save with. Py extension.In that the first line should be

!/usr/bin/env python

Here is another simple solution

try
{
    int temp=Convert.ToInt32(txtEvDistance.Text);
}
catch(Exception h)
{
    MessageBox.Show("Please provide number only");
}

This is a good example to demonstrate that BFS is better than DFS in certain case. https://leetcode.com/problems/01-matrix/

When correctly implemented, both solutions should visit cells that have farther distance than the current cell +1. But DFS is inefficient and repeatedly visited the same cell resulting O(n*n) complexity.

For example,

1,1,1,1,1,1,1,1, 
1,1,1,1,1,1,1,1, 
1,1,1,1,1,1,1,1, 
0,0,0,0,0,0,0,0,

This should do what you want:

sed 's/two.*/BLAH/'

$ echo "   one  two  three  five
>    four two  five five six
>    six  one  two seven four" | sed 's/two.*/BLAH/'
   one  BLAH
   four BLAH
   six  one  BLAH

The $ is unnecessary because the .* will finish at the end of the line anyways, and the g at the end is unnecessary because your first match will be the first two to the end of the line.

On a system with both Python 2 and 3 installed and with pip2-installed Pillow failing to provide Image, it is possible to install PIL for Python 2 in a way that will solve ImportError: No module named Image:

easy_install-2.7 --user PIL

or

sudo easy_install-2.7 PIL

&& and || are what is called "short circuiting". That means that they will not evaluate the second operand if the first operand is enough to determine the value of the expression.

For example if the first operand to && is false then there is no point in evaluating the second operand, since it can't change the value of the expression (false && true and false && false are both false). The same goes for || when the first operand is true.

You can read more about this here: http://en.wikipedia.org/wiki/Short-circuit_evaluation From the table on that page you can see that && is equivalent to AndAlso in VB.NET, which I assume you are referring to.

Here's a slightly different approach (I don't think the other answers do this). I'm not sure whether I love it or hate it, but it works!

export function addDaySuffix(day: number) { 
  const suffixes =
      '  stndrdthththththththththththththththththstndrdthththththththst';
    const startIndex = day * 2;

    return `${day}${suffixes.substring(startIndex, startIndex + 2)}`;
  }

You want to do something like this instead:

<Button>
    <StackPanel>
        <Image Source="Pictures/apple.jpg" />
        <TextBlock>Disconnect from Server</TextBlock>
    </StackPanel>
</Button>

After you extract your "selenium-java-.zip" file you need to configure your build path from your IDE. Import all the jar files under "lib" folder and both selenium standalone server & Selenium java version jar files.

I used SOAP UI for functional and automated testing. SOAP UI allows you to run the tests on the click of a button. There is also a spring controllers testing page created by Ted Young. I used this article to create Rest unit tests in our application.

Jquery :-

jQuery is a lightweight and feature-rich JavaScript Library that helps web developers
by simplifying the usage of client-side scripting for web applications using JavaScript.
It extensively simplifies using JavaScript on a website and it’s lightweight as well as fast.

So, using jQuery, we can:

easily manipulate the contents of a webpage
apply styles to make UI more attractive
easy DOM traversal
effects and animation
simple to make AJAX calls and
utilities and much more… 

AngularJS :-

AngularJS is a product by none other the Search Engine Giant Google and it’s an open source
MVC-based framework(considered to be the best and only next generation framework). AngularJS
is a great tool for building highly rich client-side web applications.

As being a framework, it dictates us to follow some rules and a structured approach. It’s
not just a JavaScript library but a framework that is perfectly designed (framework tools
are designed to work together in a truly interconnected way).

In comparison of features jQuery Vs AngularJS, AngularJS simply offers more features:

Two-Way data binding
REST friendly
MVC-based Pattern
Deep Linking
Template
Form Validation
Dependency Injection
Localization
Full Testing Environment
Server Communication

To do it without using a JavaScript library such as jQuery, you'd do it like this:

var span = document.getElementById("myspan"),
    text = document.createTextNode(''+intValue);
span.innerHTML = ''; // clear existing
span.appendChild(text);

If you do want to use jQuery, it's just this:

$("#myspan").text(''+intValue);

I follow the Python Idioms and Efficiency guidelines, by Rob Knight. I think they are exactly the same as PEP 8, but are more synthetic and based on examples.

If you are using wxPython you might also want to check Style Guide for wxPython code, by Chris Barker, as well.

If your object is not polymorphic (and a stack implementation likely isn't), then as per other answers here, what you want is the copy constructor. Please note that there are differences between copy construction and assignment in C++; if you want both behaviors (and the default versions don't fit your needs), you'll have to implement both functions.

If your object is polymorphic, then slicing can be an issue and you might need to jump through some extra hoops to do proper copying. Sometimes people use as virtual method called clone() as a helper for polymorphic copying.

Finally, note that getting copying and assignment right, if you need to replace the default versions, is actually quite difficult. It is usually better to set up your objects (via RAII) in such a way that the default versions of copy/assign do what you want them to do. I highly recommend you look at Meyer's Effective C++, especially at items 10,11,12.

The .BAK files from SQL server are in Microsoft Tape Format (MTF) ref: http://www.fpns.net/willy/msbackup.htm

The bak file will probably contain the LDF and MDF files that SQL server uses to store the database.

You will need to use SQL server to extract these. SQL Server Express is free and will do the job.

So, install SQL Server Express edition, and open the SQL Server Powershell. There execute sqlcmd -S <COMPUTERNAME>\SQLExpress (whilst logged in as administrator)

then issue the following command.

restore filelistonly from disk='c:\temp\mydbName-2009-09-29-v10.bak';
GO

This will list the contents of the backup - what you need is the first fields that tell you the logical names - one will be the actual database and the other the log file.

RESTORE DATABASE mydbName FROM disk='c:\temp\mydbName-2009-09-29-v10.bak'
WITH 
   MOVE 'mydbName' TO 'c:\temp\mydbName_data.mdf', 
   MOVE 'mydbName_log' TO 'c:\temp\mydbName_data.ldf';
GO

At this point you have extracted the database - then install Microsoft's "Sql Web Data Administrator". together with this export tool and you will have an SQL script that contains the database.

A directive which adds another directive to the same element:

Similar answers:

• How to get ng-class with $dirty working in a directive?
• creating a new directive with angularjs

Here is a plunker: http://plnkr.co/edit/ziU8d826WF6SwQllHHQq?p=preview

app.directive("myDir", function($compile) {
  return {
    priority:1001, // compiles first
    terminal:true, // prevent lower priority directives to compile after it
    compile: function(el) {
      el.removeAttr('my-dir'); // necessary to avoid infinite compile loop
      el.attr('ng-click', 'fxn()');
      var fn = $compile(el);
      return function(scope){
        fn(scope);
      };
    }
  };
});

Much cleaner solution - not to use ngClick at all:

A plunker: http://plnkr.co/edit/jY10enUVm31BwvLkDIAO?p=preview

app.directive("myDir", function($parse) {
  return {
    compile: function(tElm,tAttrs){
      var exp = $parse('fxn()');
      return function (scope,elm){
        elm.bind('click',function(){
          exp(scope);
        });  
      };
    }
  };
});

The help for copy explains that wildcards can be used to concatenate multiple files into one.

For example, to copy all .txt files in the current folder that start with "abc" into a single file named xyz.txt:

copy abc*.txt xyz.txt

You can use from getActionBar().setDisplayHomeAsUpEnabled() :

@Override
public void onBackStackChanged() {
    int backStackEntryCount = getFragmentManager().getBackStackEntryCount();

    if(backStackEntryCount > 0){
        getActionBar().setDisplayHomeAsUpEnabled(true);
    }else{
        getActionBar().setDisplayHomeAsUpEnabled(false);
    }
}

Example for Remove table header or table body with jquery

function removeTableHeader(){_x000D_
  $('#myTableId thead').empty();_x000D_
}_x000D_
_x000D_
function removeTableBody(){_x000D_
    $('#myTableId tbody').empty();_x000D_
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<table id='myTableId'  border="1">_x000D_
  <thead>_x000D_
    <th>1st heading</th>_x000D_
    <th>2nd heading</th>_x000D_
    <th>3rd heading</th>_x000D_
  </thead>  _x000D_
  <tbody>_x000D_
    <tr>_x000D_
      <td>1st content</td>_x000D_
      <td>1st content</td>_x000D_
      <td>1st content</td>_x000D_
    </tr>_x000D_
    <tr>_x000D_
      <td>2nd content</td>_x000D_
      <td>2nd content</td>_x000D_
      <td>2nd content</td>_x000D_
    </tr>_x000D_
    <tr>_x000D_
      <td>3rd content</td>_x000D_
      <td>3rd content</td>_x000D_
      <td>3rd content</td>_x000D_
    </tr>_x000D_
  </tbody>_x000D_
</table>_x000D_
<br/>_x000D_
<form>_x000D_
  <input type='button' value='Remove Table Header' onclick='removeTableHeader()'/>_x000D_
  <input type='button' value='Remove Table Body' onclick='removeTableBody()'/>_x000D_
</form>

To fully disable logging:

logging.disable(sys.maxint) # Python 2

logging.disable(sys.maxsize) # Python 3

To enable logging:

logging.disable(logging.NOTSET)

Other answers provide work arounds which don't fully solve the problem, such as

logging.getLogger().disabled = True

and, for some n greater than 50,

logging.disable(n)

The problem with the first solution is that it only works for the root logger. Other loggers created using, say, logging.getLogger(__name__) are not disabled by this method.

The second solution does affect all logs. But it limits output to levels above that given, so one could override it by logging with a level greater than 50.

That can be prevented by

logging.disable(sys.maxint)

which as far as I can tell (after reviewing the source) is the only way to fully disable logging.

If for some reason you have position absolute on the div, do this:

<div class="something"></div>

.something {
    position:absolute;
    left:0;
    right:0;
    margin-left:auto;
    margin-right:auto;
}

I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pairs together the keys and the associated values.

When you iterate over a std::map, you're iterating over all of these std::pairs. When you dereference one of these iterators, you get a std::pair containing the key and its associated value.

std::map<std::string, int> m = /* fill it */;
auto it = m.begin();

Here, if you now do *it, you will get the the std::pair for the first element in the map.

Now the type std::pair gives you access to its elements through two members: first and second. So if you have a std::pair<X, Y> called p, p.first is an X object and p.second is a Y object.

So now you know that dereferencing a std::map iterator gives you a std::pair, you can then access its elements with first and second. For example, (*it).first will give you the key and (*it).second will give you the value. These are equivalent to it->first and it->second.

Assume the date as milliseconds date is 1526813885836, so you can access the date as string with this sample code:

console.log(new Date(1526813885836).toString());

For clearness see below code:

const theTime = new Date(1526813885836);
console.log(theTime.toString());

Tested and working!

• with https, user & password

   <?php 
   //Data, connection, auth
   $dataFromTheForm = $_POST['fieldName']; // request data from the form
   $soapUrl = "https://connecting.website.com/soap.asmx?op=DoSomething"; // asmx URL of WSDL
   $soapUser = "username";  //  username
   $soapPassword = "password"; // password
  
   // xml post structure
  
   $xml_post_string = '<?xml version="1.0" encoding="utf-8"?>
                       <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
                         <soap:Body>
                           <GetItemPrice xmlns="http://connecting.website.com/WSDL_Service"> // xmlns value to be set to your WSDL URL
                             <PRICE>'.$dataFromTheForm.'</PRICE> 
                           </GetItemPrice >
                         </soap:Body>
                       </soap:Envelope>';   // data from the form, e.g. some ID number
  
      $headers = array(
                   "Content-type: text/xml;charset=\"utf-8\"",
                   "Accept: text/xml",
                   "Cache-Control: no-cache",
                   "Pragma: no-cache",
                   "SOAPAction: http://connecting.website.com/WSDL_Service/GetPrice", 
                   "Content-length: ".strlen($xml_post_string),
               ); //SOAPAction: your op URL
  
       $url = $soapUrl;
  
       // PHP cURL  for https connection with auth
       $ch = curl_init();
       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
       curl_setopt($ch, CURLOPT_USERPWD, $soapUser.":".$soapPassword); // username and password - declared at the top of the doc
       curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
       curl_setopt($ch, CURLOPT_TIMEOUT, 10);
       curl_setopt($ch, CURLOPT_POST, true);
       curl_setopt($ch, CURLOPT_POSTFIELDS, $xml_post_string); // the SOAP request
       curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
  
       // converting
       $response = curl_exec($ch); 
       curl_close($ch);
  
       // converting
       $response1 = str_replace("<soap:Body>","",$response);
       $response2 = str_replace("</soap:Body>","",$response1);
  
       // convertingc to XML
       $parser = simplexml_load_string($response2);
       // user $parser to get your data out of XML response and to display it. 
   ?>
  

How can I check if a value is null or empty with XSL?

For example, if categoryName is empty?

This is probably the simplest XPath expression (the one in accepted answer provides a test for the opposite, and would be longer, if negated):

not(string(categoryName))

Explanation:

The argument to the not() function above is false() exactly when there is no categoryName child ("null") of the context item, or the (single such) categoryName child has string value -- the empty string.

I'm using a when choosing construct.

For example:

<xsl:choose>
    <xsl:when test="categoryName !=null">
        <xsl:value-of select="categoryName " />
    </xsl:when>
    <xsl:otherwise>
        <xsl:value-of select="other" />
    </xsl:otherwise>
</xsl:choose>

In XSLT 2.0 use:

<xsl:copy-of select="concat(categoryName,  $vOther[not(string(current()/categoryName))])"/>

Here is a complete example:

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
     <xsl:output omit-xml-declaration="yes" indent="yes"/>

 <xsl:variable name="vOther" select="'Other'"/>

 <xsl:template match="/">
  <xsl:copy-of select="concat(categoryName,$vOther[not(string(current()/categoryName))])"/>
 </xsl:template>
</xsl:stylesheet>

When this transformation is applied on the following XML document:

<categoryName>X</categoryName>

the wanted, correct result is produced:

X

When applied on this XML document:

<categoryName></categoryName>

or on this:

<categoryName/>

or on this

<somethingElse>Y</somethingElse>

the correct result is produced:

Other

Similarly, use this XSLT 1.0 transformation:

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output omit-xml-declaration="yes" indent="yes"/>

 <xsl:variable name="vOther" select="'Other'"/>

  <xsl:template match="/">
    <xsl:copy-of select=
    "concat(categoryName,  substring($vOther, 1 div not(string(categoryName))))"/>
  </xsl:template>
</xsl:stylesheet>

Do note: No conditionals are used at all. Learn more about the importance of avoiding conditional constructs in this nice Pluralsight course:

"Tactical Design Patterns in .NET: Control Flow"

With user input and fancy output formatting:

[CmdletBinding(SupportsShouldProcess=$True)] 
Param( 
    [Parameter(Mandatory = $True)] 
    [String]$UserName 
) 
Import-Module ActiveDirectory 
If ($UserName) { 
    $UserName = $UserName.ToUpper().Trim() 
    $Res = (Get-ADPrincipalGroupMembership $UserName | Measure-Object).Count 
    If ($Res -GT 0) { 
        Write-Output "`n" 
        Write-Output "$UserName AD Group Membership:" 
        Write-Output "===========================================================" 
        Get-ADPrincipalGroupMembership $UserName | Select-Object -Property Name, GroupScope, GroupCategory | Sort-Object -Property Name | FT -A 
    } 
}

I don't endorse this solution in any way, shape or form. But if you add a variable to the __builtin__ module, it will be accessible as if a global from any other module that includes __builtin__ -- which is all of them, by default.

a.py contains

print foo

b.py contains

import __builtin__
__builtin__.foo = 1
import a

The result is that "1" is printed.

Edit: The __builtin__ module is available as the local symbol __builtins__ -- that's the reason for the discrepancy between two of these answers. Also note that __builtin__ has been renamed to builtins in python3.

Try this simple solution to convert file to base64 string

String base64String = imageFileToByte(file);

public String imageFileToByte(File file){

    Bitmap bm = BitmapFactory.decodeFile(file.getAbsolutePath());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); //bm is the bitmap object
    byte[] b = baos.toByteArray();
    return Base64.encodeToString(b, Base64.DEFAULT);
}

Look in JavaScript split() Method

• Mozilla Developer Network
• W3Schools

Usage:

"something -- something_else".split(" -- ") 

in the latest packages you can also use

vp.getCurrentItem()

or

vp is the viewPager ,

pageListener = new PageListener();
vp.setOnPageChangeListener(pageListener);

you have to put a page change listener for your viewPager. There is no method on viewPager to get the current page.

private int currentPage;

    private static class PageListener extends SimpleOnPageChangeListener{
            public void onPageSelected(int position) {
                Log.i(TAG, "page selected " + position);
                   currentPage = position;
        }
    }

you can use the alias in this way on the delete statement

DELETE  th.*
FROM term_hierarchy th
INNER JOIN term_hierarchy th2 ON (th1.tid = th2.tid AND th2.parent != 1015)
WHERE th.parent = 1015;

What am I missing?

Why not:

url.split('?')[0] 

I'd like to contribute another option to solve this issue; since the solutions proposed above did not solve my scenario.

(function()
    {
      // Initialize the previous-attribute
      var selects = $('select');
      selects.data('previous', selects.val());

      // Listen on the body for changes to selects
      $('body').on('change', 'select',
        function()
        {
          $(this).data('previous', $(this).val());
        }
      );
    }
)();

This does use jQuery so that def. is a dependency here, but this can be adapted to work in pure javascript. (Add a listener to the body, check if the original target was a select, execute function, ...).

By attaching the change listener to the body, you can pretty much be sure this will fire after specific listeners for the selects, otherwise the value of 'data-previous' will be overwritten before you can even read it.

This is of course assuming that you prefer to use separate listeners for your set-previous and check-value. It fits right in with the single-responsibility pattern.

Note: This adds this 'previous' functionality to all selects, so be sure to fine-tune the selectors if needed.

just put this

    <init-param>
        <param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
        <param-value>true</param-value>
    </init-param>

$("#subject_name").autocomplete({
  source: function(request, response) {
    $.ajax({
      url: "api/listBasicsubject",
      dataType: "json",
      type: "post",
      data: {
        search: request.term
      },
      success: function(data) {

        if (!data.length) {
          var result = [{
            label: 'Subject not found',
            value: response.term
          }];
          response(result);
        } else {
          //response(data.data);
          response($.map(data.data, function(item) {
            return {
              label: item.subject_name,
              value: item.subject_id
            }
          }));
        }
      }
    });
  },
  change: function(event, ui) {
    if (ui.item == null) {
      $("#subject_name").val("");
      $("#subject_code").val("");
      $("#subject_name").focus();
    }
  },

  minLength: 0,
  classes: {
    "ui-autocomplete": "auto_compl-cat"
  },

  focus: function(event, ui) {
    event.preventDefault();
    // $("#subject_name").val(ui.item.label);

    $("#subject_name").val(ui.item.label);

  },

  select: function(event, ui) {
    if (ui.item.label == "Subject not found") {

      $("#subject_name").val('');
      $("#subject_code").val('');
      event.preventDefault();
      return false;
    }
    //console.log( "Selected: " + ui.item.label + " aka " + ui.item.value);
    $("#subject_name").val(ui.item.label);
    $("#subject_code").val(ui.item.value);
    return false;
  }
});

man,,, the answer is that you're basically testing PHP and not a database.

don't bother iterating the results, whether commenting out the print or not. there's a chunk of time.

   foreach ($cursor as $obj)
    {
        //echo $obj["thread_title"] . "<br><Br>";
    }

while the other chunk is spend yacking up a bunch of rand numbers.

function get_15_random_numbers()
{
    $numbers = array();
    for($i=1;$i<=15;$i++)
    {
        $numbers[] = mt_rand(1, 20000000) ;

    }
    return $numbers;
}

then theres a major difference b/w implode and in.

and finally what is going on here. looks like creating a connection each time, thus its testing the connection time plus the query time.

$m = new Mongo();

vs

$db = new AQLDatabase();

so your 101% faster might turn out to be 1000% faster for the underlying query stripped of jazz.

urghhh.

Basically it contains all the attributes which describe the object in question. It can be used to alter or read the attributes. Quoting from the documentation for __dict__

A dictionary or other mapping object used to store an object's (writable) attributes.

Remember, everything is an object in Python. When I say everything, I mean everything like functions, classes, objects etc (Ya you read it right, classes. Classes are also objects). For example:

def func():
    pass

func.temp = 1

print(func.__dict__)

class TempClass:
    a = 1
    def temp_function(self):
        pass

print(TempClass.__dict__)

will output

{'temp': 1}
{'__module__': '__main__', 
 'a': 1, 
 'temp_function': <function TempClass.temp_function at 0x10a3a2950>, 
 '__dict__': <attribute '__dict__' of 'TempClass' objects>, 
 '__weakref__': <attribute '__weakref__' of 'TempClass' objects>, 
 '__doc__': None}

<DataGridTextColumn Header="Quantity" Binding="{Binding Quantity}" >
  <DataGridTextColumn.ElementStyle>
    <Style TargetType="{x:Type TextBlock}">
       <Setter Property="HorizontalAlignment" Value="Right" />
    </Style>
  </DataGridTextColumn.ElementStyle>
</DataGridTextColumn>

you use the scrollTop attribute

var position = document.getElementById('id').scrollTop;

Lightsail VPSs are bundles of existing AWS products, offered through a significantly simplified interface. The difference is that Lightsail offers you a limited and fixed menu of options but with much greater ease of use. Other than the narrower scope of Lightsail in order to meet the requirements for simplicity and low cost, the underlying technology is the same.

The pre-defined bundles can be described:

% aws lightsail --region us-east-1 get-bundles
{
    "bundles": [
        {
            "name": "Nano",
            "power": 300,
            "price": 5.0,
            "ramSizeInGb": 0.5,
            "diskSizeInGb": 20,
            "transferPerMonthInGb": 1000,
            "cpuCount": 1,
            "instanceType": "t2.nano",
            "isActive": true,
            "bundleId": "nano_1_0"
        },
        ...
    ]
}

It's worth reading through the Amazon EC2 T2 Instances documentation, particularly the CPU Credits section which describes the base and burst performance characteristics of the underlying instances.

Importantly, since your Lightsail instances run in VPC, you still have access to the full spectrum of AWS services, e.g. S3, RDS, and so on, as you would from any EC2 instance.

first_list = [1, 2, 2, 5]
second_list = [2, 5, 7, 9]

print( set( first_list + second_list ) )

You cannot use PuTTY to download the files, but you can use PSCP from the PuTTY developers to get the files or dump any directory that you want.

Please see the following link on how to download a file/folder: https://the.earth.li/~sgtatham/putty/0.60/htmldoc/Chapter5.html

I took some help from MSDN, but this is my answer:

double number;
string localStringNumber;
string doubleNumericValueasString = "65.89875";
System.Globalization.NumberStyles style = System.Globalization.NumberStyles.AllowDecimalPoint;

if (double.TryParse(doubleNumericValueasString, style, System.Globalization.CultureInfo.InvariantCulture, out number))
    Console.WriteLine("Converted '{0}' to {1}.", doubleNumericValueasString, number);
else
    Console.WriteLine("Unable to convert '{0}'.", doubleNumericValueasString);
localStringNumber =number.ToString(System.Globalization.CultureInfo.CreateSpecificCulture("de-DE"));

I recently ran into the same problem having the TCPDF work with my CSS. Take a look at the code below. It worked for me after I changed the standard CSS to a format PHP would understand

Code Sample Below

$table = '<table width="100%" cellspacing="0" cellpadding="55%">
          <tr valign="bottom">
                <td class="header1" rowspan="2" align="center" valign="middle"
                      width="6%">Category</td>
                <td class="header1" rowspan="2" align="center" valign="middle"
                      width="26%">Project Description</td>
          </tr></table>';

Keep it fast, keep it simple

put this in your ~/.bashrc file.

git_stuff() {
  git_branch=$(git branch --show-current 2> /dev/null)
  if [[ $git_branch == "" ]];then
    echo -e ""
  elif [[ $git_branch == *"Nocommit"* ]];then
    echo -e "No commits"
  else
    echo -e "$git_branch"
  fi
}
prompt() {
  PS1="\e[2m$(date +%H:%M:%S.%3N) \e[4m$(git_stuff)\033[0m\n\w$ "
}
PROMPT_COMMAND=prompt

Then source ~/.bashrc

There's an automatic refresh-on-change tool for IE. It's called ReloadIt, and is available at http://reloadit.codeplex.com . Free.

You choose a URL that you'd like to auto-reload, and specify one or more directory paths to monitor for changes. Press F12 to start monitoring.

After you set it, minimize it. Then edit your content files. When you save any change, the page gets reloaded. like this:

Simple. easy.

You can know the correct content-type for any file by just doing the following:

1) Select interested file,

2) And run in console this:

console.log($('.file-input')[0].files[0].type);

You can also set attribute "multiple" for your input to check content-type for several files at a time and do next:

for (var i = 0; i < $('.file-input')[0].files.length; i++){
    console.log($('.file-input')[0].files[i].type);
}

Attribute accept has some problems with multiple attribute and doesn't work correctly in this case.

Make sure the folder with the standard header files is in the projects path.

I don't know where this is in Turbo C, but I would think there's a way of doing this.

JavaScript does require semicolons, it's just that the interpreter will insert them for you on line breaks where possible^*.

Unfortunately, the code

var a = new B(args)(stuff)()

does not result in a syntax error, so no ; will be inserted. (An example which can run is

var answer = new Function("x", "return x")(function(){return 42;})();

To avoid surprises like this, train yourself to always end a statement with ;.

The "this" is already coloured in Javascript.

View->Syntax-> and choose your language to highlight.

NOTE: urllib2 is no longer available in Python 3

You can try following code.

import urllib.request 
res = urllib.request.urlopen('url')
output = res.read()
print(output)

You can get more idea about urllib.request from this link.

Using :urllib3

import urllib3
http = urllib3.PoolManager()
r = http.request('GET', 'url')
print(r.status)
print( r.headers)
print(r.data)

Also if you want more details about urllib3. follow this link.

There should not be a space after name.

Incorrect:

{% url 'author' name = p.article_author.name.username %}

Correct:

{% url 'author' name=p.article_author.name.username %}

To use latest Async/Await features

https://www.npmjs.com/package/request-promise-native

npm install --save request
npm install --save request-promise-native

//code

async function getData (){
    try{
          var rp = require ('request-promise-native');
          var options = {
          uri:'https://reqres.in/api/users/2',
          json:true
        };

        var response = await rp(options);
        return response;
    }catch(error){
        throw error;
    }        
}

try{
    console.log(getData());
}catch(error){
    console.log(error);
}

I was facing the same issue but above solutions did not help.

So, after lot of struggle I found out that sestatus was set to enforce which blocks all the ports and by setting it to permissive all the issues were resolved.

sudo setenforce 0

Hope this helps someone like me.

In Swift 3.0

Type 1: Convert NSString to String

    let stringNumb:NSString = "1357"
    let someNumb = Int(stringNumb as String) // 1357 as integer

Type 2: If the String has Integer only

    let stringNumb = "1357"
    let someNumb = Int(stringNumb) // 1357 as integer

Type 3: If the String has Float value

    let stringNumb = "13.57"
    if let stringToFloat = Float(stringNumb){
        let someNumb = Int(stringToFloat)// 13 as Integer
    }else{
       //do something if the stringNumb not have digit only. (i.e.,) let stringNumb = "13er4"
    }

The punkt tokenizers data is quite large at over 35 MB, this can be a big deal if like me you are running nltk in an environment such as lambda that has limited resources.

If you only need one or perhaps a few language tokenizers you can drastically reduce the size of the data by only including those languages .pickle files.

If all you only need to support English then your nltk data size can be reduced to 407 KB (for the python 3 version).

Steps

1. Download the nltk punkt data: https://raw.githubusercontent.com/nltk/nltk_data/gh-pages/packages/tokenizers/punkt.zip
2. Somewhere in your environment create the folders: nltk_data/tokenizers/punkt, if using python 3 add another folder PY3 so that your new directory structure looks like nltk_data/tokenizers/punkt/PY3. In my case I created these folders at the root of my project.
3. Extract the zip and move the .pickle files for the languages you want to support into the punkt folder you just created. Note: Python 3 users should use the pickles from the PY3 folder. With your language files loaded it should look something like: example-folder-stucture
4. Now you just need to add your nltk_data folder to the search paths, assuming your data is not in one of the pre-defined search paths. You can add your data using either the environment variable NLTK_DATA='path/to/your/nltk_data'. You can also add a custom path at runtime in python by doing:

from nltk import data
data.path += ['/path/to/your/nltk_data']

NOTE: If you don't need to load in the data at runtime or bundle the data with your code, it would be best to create your nltk_data folders at the built-in locations that nltk looks for.

Based on comment of @alessandro-pezzato. Run multiples commands by using & between the commands.

Example:

$ sleep 3 & sleep 5 & sleep 2 &

It's will execute the commands in background.

The above are all excellent answers. I just wanted to add that when there are multiple characters to check against, an if-else might turn out better since you could instead write the following.

// switch on vowels, digits, punctuation, or consonants
char c; // assign some character to 'c'
if ("aeiouAEIOU".indexOf(c) != -1) {
  // handle vowel case
} else if ("!@#$%,.".indexOf(c) != -1) {
  // handle punctuation case
} else if ("0123456789".indexOf(c) != -1) {
  // handle digit case
} else {
  // handle consonant case, assuming other characters are not possible
}

Of course, if this gets any more complicated, I'd recommend a regex matcher.

If you cannot git rm a tracked file because other people might need it (warning, even if you git rm --cached, when someone else gets this change, their files will be deleted in their filesystem). These are often done due to config file overrides, authentication credentials, etc. Please look at https://gist.github.com/1423106 for ways people have worked around the problem.

To summarize:

• Have your application look for an ignored file config-overide.ini and use that over the committed file config.ini (or alternately, look for ~/.config/myapp.ini, or $MYCONFIGFILE)
• Commit file config-sample.ini and ignore file config.ini, have a script or similar copy the file as necessary if necessary.
• Try to use gitattributes clean/smudge magic to apply and remove the changes for you, for instance smudge the config file as a checkout from an alternate branch and clean the config file as a checkout from HEAD. This is tricky stuff, I don't recommend it for the novice user.
• Keep the config file on a deploy branch dedicated to it that is never merged to master. When you want to deploy/compile/test you merge to that branch and get that file. This is essentially the smudge/clean approach except using human merge policies and extra-git modules.
• Anti-recommentation: Don't use assume-unchanged, it will only end in tears (because having git lie to itself will cause bad things to happen, like your change being lost forever).

Optional<User>.ifPresent() takes a Consumer<? super User> as argument. You're passing it an expression whose type is void. So that doesn't compile.

A Consumer is intended to be implemented as a lambda expression:

Optional<User> user = ...
user.ifPresent(theUser -> doSomethingWithUser(theUser));

Or even simpler, using a method reference:

Optional<User> user = ...
user.ifPresent(this::doSomethingWithUser);

This is basically the same thing as

Optional<User> user = ...
user.ifPresent(new Consumer<User>() {
    @Override
    public void accept(User theUser) {
        doSomethingWithUser(theUser);
    }
});

The idea is that the doSomethingWithUser() method call will only be executed if the user is present. Your code executes the method call directly, and tries to pass its void result to ifPresent().

The real problem is how Netbeans JARs its projects. The "Class-Path:" in the Manifest file is unnecessary when actually publishing your program for others to use. If you have an external Library added in Netbeans it acts as a package. I suggest you use a program like WINRAR to view the files within the jar and add your libraries as packages directly into the jar file.

How the inside of the jar file should look:

MyProject.jar

    Manifest.MF
         Main-Class: mainClassFolder.Mainclass

    mainClassFolder
         Mainclass.class

    packageFolder
         IamUselessWithoutMain.class

Why not just put this in your css:

input --webkit-autocomplete {
  color: inherit;
  background: inherit;
  border: inherit;
}

That should take care of your issue. Although it does raise a usability issue because now the user can't see that the form was autofilled in the way he/she is used to.

[edit] After posting this I saw that a similar answer was already given and that you commented on it that it didn't work. I don't quite see why because it did work when I tested it.

I know this question is quite old, but I found another way of initializing, using constexpr and currying:

struct mp_struct_t {
    public:
        constexpr mp_struct_t(int member1) : mp_struct_t(member1, 0, 0) {}
        constexpr mp_struct_t(int member1, int member2, int member3) : member1(member1), member2(member2), member3(member3) {}
        constexpr mp_struct_t another_member(int member) { return {member1, member,     member2}; }
        constexpr mp_struct_t yet_another_one(int member) { return {member1, member2, member}; }

    int member1, member2, member3;
};

static mp_struct_t a_struct = mp_struct_t{1}
                           .another_member(2)
                           .yet_another_one(3);

This method also works for global static variables and even constexpr ones. The only disadvantage is the bad maintainability: Everytime another member has to be made initializable using this method, all member initialization methods have to be changed.

I make a link. A link is a link. A link navigates to another page. That is what links are for and everybody understands that. So Method 3 is the only correct method in my book.

I wouldn't want my link to look like a button at all, and when I do, I still think functionality is more important than looks.

Buttons are less accessible, not only due to the need of Javascript, but also because tools for the visually impaired may not understand this Javascript enhanced button well.

Method 4 would work as well, but it is more a trick than a real functionality. You abuse a form to post 'nothing' to this other page. It's not clean.

Go to first line

• :1

• or Ctrl + Home

Go to last line

• :%

• or Ctrl + End

Go to another line (f.i. 27)

• :27

[Works On VIM 7.4 (2016) and 8.0 (2018)]

I think I found another solution to this question.

Go to Project > Properties > Java Build Path > tab [Order and Export] > Tick Android Version Checkbox Then if your workspace does not build automatically…

Properties again > Build Project

Didnt work for me.

I created a new key and string value and managed to get it working

Key= HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\eventlog\Application\<Your app name>\
String EventMessageFile value=C:\Windows\Microsoft.NET\Framework\v2.0.50727\EventLogMessages.dll

For +300k concurrent connection:

Set these variables in /etc/sysctl.conf:

fs.file-max = 10000000 
fs.nr_open = 10000000

Also, change these variables in /etc/security/limits.conf:

* soft nofile 10000000
* hard nofile 10000000
root soft nofile 10000000
root hard nofile 10000000

And finally, increase TCP buffers in /etc/sysctl.conf, too:

net.ipv4.tcp_mem = 786432 1697152 1945728
net.ipv4.tcp_rmem = 4096 4096 16777216
net.ipv4.tcp_wmem = 4096 4096 16777216

for more information please refer to this.

Sometime, the binding info is cached

To clear Team Explorer's cache:

Go to C:\Users\<user>\AppData\Local\Microsoft\Team Foundation\2.0
Delete or rename the Cache folder.

This come from a website I could not find now. Thanks for that guy for the tip.

In my case, I needed to Edit Inbound Rules on my AWS RDS instance to accept All Traffic. The default TCP/IP constraint prevented me from creating a database from my local machine otherwise.

Maybe?

[regex]$regex = (get-content <regex file> |
foreach {
          '(?:{0})' -f $_
        }) -join '|'

Get-Content <filespec> -ReadCount 10000 |
 foreach {
           if ($_ -match $regex)
             {
              $true
              break
             }
         }

So I was looking all over for a way to remove all files in a directory except for some directories, and files, I wanted to keep around. After much searching I devised a way to do it using find.

find -E . -regex './(dir1|dir2|dir3)' -and -type d -prune -o -print -exec rm -rf {} \;

Essentially it uses regex to select the directories to exclude from the results then removes the remaining files. Just wanted to put it out here in case someone else needed it.

Might be lately posted but hopefully this will help someone to see primary key list in sql server by using this t-sql query:

SELECT  schema_name(t.schema_id) AS [schema_name], t.name AS TableName,        
    COL_NAME(ic.OBJECT_ID,ic.column_id) AS PrimaryKeyColumnName,
    i.name AS PrimaryKeyConstraintName
FROM    sys.tables t 
INNER JOIN sys.indexes AS i  on t.object_id=i.object_id 
INNER JOIN  sys.index_columns AS ic ON  i.OBJECT_ID = ic.OBJECT_ID
                            AND i.index_id = ic.index_id 
WHERE OBJECT_NAME(ic.OBJECT_ID) = 'YourTableNameHere'

You can see the list of all foreign keys by using this query if you may want:

SELECT
f.name as ForeignKeyConstraintName
,OBJECT_NAME(f.parent_object_id) AS ReferencingTableName
,COL_NAME(fc.parent_object_id, fc.parent_column_id) AS ReferencingColumnName
,OBJECT_NAME (f.referenced_object_id) AS ReferencedTableName
,COL_NAME(fc.referenced_object_id, fc.referenced_column_id) AS 
 ReferencedColumnName  ,delete_referential_action_desc AS 
DeleteReferentialActionDesc ,update_referential_action_desc AS 
UpdateReferentialActionDesc
FROM sys.foreign_keys AS f
INNER JOIN sys.foreign_key_columns AS fc
ON f.object_id = fc.constraint_object_id
 --WHERE OBJECT_NAME(f.parent_object_id) = 'YourTableNameHere' 
 --If you want to know referecing table details 
 WHERE OBJECT_NAME(f.referenced_object_id) = 'YourTableNameHere' 
 --If you want to know refereced table details 
ORDER BY f.name

use like this your inline css

<td width="178" rowspan="3" valign="top" 
align="right" background="images/left.jpg" 
style="background-repeat:background-position: right top;">
</td>

Have you considered List.BinarySearch(item)?

You said that your large collection is already sorted so this seems like the perfect opportunity? A hash would definitely be the fastest, but this brings about its own problems and requires a lot more overhead for storage.

Here's the filter that I ended up using for strftime in Jinja2 and Flask

@app.template_filter('strftime')
def _jinja2_filter_datetime(date, fmt=None):
    date = dateutil.parser.parse(date)
    native = date.replace(tzinfo=None)
    format='%b %d, %Y'
    return native.strftime(format) 

And then you use the filter like so:

{{car.date_of_manufacture|strftime}}

This should help:

document.getElementById('FrameID').contentWindow.location.reload(true);

EDIT: Fixed the object name as per @Joro's comment.

Without explicitly defining the height I determined I need to apply the flex value to the parent and grandparent div elements...

<div style="display: flex;">
<div style="display: flex;">
 <img alt="No, he'll be an engineer." src="theknack.png" style="margin: auto;" />
</div>
</div>

If you're using a single element (e.g. dead-centered text in a single flex element) use the following:

align-items: center;
display: flex;
justify-content: center;

If you are using bash, you might as well write

echo -n "hello" >/dev/udp/localhost/8000

and avoid all the idiosyncrasies and incompatibilities of netcat.

This also works sending to other hosts, ex:

echo -n "hello" >/dev/udp/remotehost/8000

These are not "real" devices on the file system, but bash "special" aliases. There is additional information in the Bash Manual.

It's a newbie coding style recommendation, well-intentioned, and advised by the manual.

• Eschewing ?> however solves just a trickle of the common headers already sent causes (raw output, BOM, notices, etc.) and their follow-up problems.

• PHP actually contains some magic to eat up single linebreaks after the ?> closing token. Albeit that has historic issues, and leaves newcomers still susceptible to flaky editors and unawarely shuffling in other whitespace after ?>.

• Stylistically some developers prefer to view <?php and ?> as SGML tags / XML processing instructions, implying the balance consistency of a trailing close token. (Which btw, is useful for dependency-conjoining class includes to supplant inefficient file-by-file autoloading.)

• Somewhat uncommonly the opening <?php is characterized as PHPs shebang (and fully feasible per binfmt_misc), thereby validating the redundancy of a corresponding close tag.

• There's an obvious advise discrepancy between classic PHP syntax guides mandating ?>\n and the more recent ones (PSR-2) agreeing on omission.
  (For the record: Zend Framework postulating one over the other does not imply its inherent superiority. It's a misconception that experts were drawn to / target audience of unwieldy APIs).

• SCMs and modern IDEs provide builtin solutions mostly alleviating close tag caretaking.

Discouraging any use of the ?> close tag merely delays explaining basic PHP processing behaviour and language semantics to eschew infrequent issues. It is practical still for collaborative software development due to proficiency variations in participants.

Close tag variations

• The regular ?> close tag is also known as T_CLOSE_TAG, or thus "close token".

• It comprises a few more incarnations, because of PHPs magic newline eating:

  ?>\n (Unix linefeed)

  ?>\r (Carriage return, classic MACs)

  ?>\r\n (CR/LF, on DOS/Win)

  PHP doesn't support the Unicode combo linebreak NEL (U+0085) however.

  Early PHP versions had IIRC compile-ins limiting platform-agnosticism somewhat (FI even just used > as close marker), which is the likely historic origin of the close-tag-avoidance.

• Often overlooked, but until PHP7 removes them, the regular <?php opening token can be validly paired with the rarely used </script> as odd closing token.

• The "hard close tag" isn't even one -- just made that term up for analogy. Conceptionally and usage-wise __halt_compiler should however be recognized as close token.

  __HALT_COMPILER();
  ?>
  

  Which basically has the tokenizer discard any code or plain HTML sections thereafter. In particular PHAR stubs make use of that, or its redundant combination with ?> as depicted.

• Likewise does a void return; infrequently substitute in include scripts, rendering any ?> with trailing whitespace noneffective.

• Then there are all kinds of soft / faux close tag variations; lesser known and seldomly used, but usually per commented-out tokens:

  • Simple spacing // ? > to evade detection by PHPs tokenizer.

  • Or fancy Unicode substitutes // ?? (U+FE56 SMALL QUESTION MARK, U+FE65 SMALL ANGLE BRACKET) which a regexp can grasp.

  Both mean nothing to PHP, but can have practical uses for PHP-unaware or semi-aware external toolkits. Again cat-joined scripts come to mind, with resulting // ? > <?php concatenations that inline-retain the former file sectioning.

So there are context-dependent but practical alternatives to an imperative close tag omission.

Manual babysitting of ?> close tags is not very contemporary either way. There always have been automation tools for that (even if just sed/awk or regex-oneliners). In particular:

phptags tag tidier

https://fossil.include-once.org/phptags/

Which could generally be used to --unclose php tags for third-party code, or rather just fix any (and all) actual whitespace/BOM issues:

• phptags --warn --whitespace *.php

It also handles --long tag conversion etc. for runtime/configuration compatibility.

Just use this:

colspan="100%"

It works on Firefox 3.6, IE 7 and Opera 11! (and I guess on others, I couldn't try)

Warning: as mentioned in the comments below this is actually the same as colspan="100". Hence, this solution will break for tables with css table-layout: fixed, or more than 100 columns.

If you are using Rails 5 and above, the following solution will work.

#delete based on id
user_id = 50
User.find(id: user_id).delete_all

#delete based on condition
threshold_age = 20
User.where(age: threshold_age).delete_all

https://www.rubydoc.info/docs/rails/ActiveRecord%2FNullRelation:delete_all

How about this? I needed the exact same thing, I had to create one from scratch. It's PURE CSS, and works in IE9+ Feel-free to improve upon it.

Demo: http://www.d-k-j.com/Articles/Web_Development/Pure_CSS_5_Star_Rating_System_with_Radios/

<ul class="form">
    <li class="rating">
        <input type="radio" name="rating" value="0" checked /><span class="hide"></span>
        <input type="radio" name="rating" value="1" /><span></span>
        <input type="radio" name="rating" value="2" /><span></span>
        <input type="radio" name="rating" value="3" /><span></span>
        <input type="radio" name="rating" value="4" /><span></span>
        <input type="radio" name="rating" value="5" /><span></span>
    </li>
</ul>

CSS:

.form {
    margin:0;
}

.form li {
    list-style:none;
}

.hide {
    display:none;
}

.rating input[type="radio"] {
    position:absolute;
    filter:alpha(opacity=0);
    -moz-opacity:0;
    -khtml-opacity:0;
    opacity:0;
    cursor:pointer;
    width:17px;
}

.rating span {
    width:24px;
    height:16px;
    line-height:16px;
    padding:1px 22px 1px 0; /* 1px FireFox fix */
    background:url(stars.png) no-repeat -22px 0;
}

.rating input[type="radio"]:checked + span {
    background-position:-22px 0;
}

.rating input[type="radio"]:checked + span ~ span {
    background-position:0 0;
}

In app.js:

app.use(express.static(path.join(__dirname, 'public')));

Assuming the icon resides in "/public/images/favicon.ico" add next link in html's head:

<link rel='icon' href='/images/favicon.ico' class='js-favicon'>

This worked fine in a project auto-generated with the command:

express my-project

If you want a pure CSS solution, this trick works very well - use the transform object. This also works with images when they're cached or not:

CSS:

.main_container{
    position: relative;
    width: 500px;
    height: 300px;
    background-color: #cccccc;
}

.center_horizontally{
  position: absolute;
  width: 100px;
  height: 100px;
  background-color: green;
  left: 50%;
  top: 0;
  transform: translate(-50%,0);
}

.center_vertically{
  position: absolute;
  top: 50%;
  left: 0;
  width: 100px;
  height: 100px;
  background-color: blue;
  transform: translate(0,-50%);
}

.center{
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  background-color: red;
  transform: translate(-50%,-50%);
}

HTML:

<div class="main_container">
  <div class="center_horizontally"></div>
  <div class="center_vertically"></div>
  <div class="center"></div>
  </div>
</div

Codepen example

Codepen LESS example

Here is what the standard (SI) says:

http://physics.nist.gov/Pubs/SP330/sp330.pdf#page=34

df.shape, where df is your DataFrame.

This is a mix of HTML and code but it's pretty basic, easy to understand and should be fairly simple to decouple to suit your needs I think.

try {

    // Find out how many items are in the table
    $total = $dbh->query('
        SELECT
            COUNT(*)
        FROM
            table
    ')->fetchColumn();

    // How many items to list per page
    $limit = 20;

    // How many pages will there be
    $pages = ceil($total / $limit);

    // What page are we currently on?
    $page = min($pages, filter_input(INPUT_GET, 'page', FILTER_VALIDATE_INT, array(
        'options' => array(
            'default'   => 1,
            'min_range' => 1,
        ),
    )));

    // Calculate the offset for the query
    $offset = ($page - 1)  * $limit;

    // Some information to display to the user
    $start = $offset + 1;
    $end = min(($offset + $limit), $total);

    // The "back" link
    $prevlink = ($page > 1) ? '<a href="?page=1" title="First page">&laquo;</a> <a href="?page=' . ($page - 1) . '" title="Previous page">&lsaquo;</a>' : '<span class="disabled">&laquo;</span> <span class="disabled">&lsaquo;</span>';

    // The "forward" link
    $nextlink = ($page < $pages) ? '<a href="?page=' . ($page + 1) . '" title="Next page">&rsaquo;</a> <a href="?page=' . $pages . '" title="Last page">&raquo;</a>' : '<span class="disabled">&rsaquo;</span> <span class="disabled">&raquo;</span>';

    // Display the paging information
    echo '<div id="paging"><p>', $prevlink, ' Page ', $page, ' of ', $pages, ' pages, displaying ', $start, '-', $end, ' of ', $total, ' results ', $nextlink, ' </p></div>';

    // Prepare the paged query
    $stmt = $dbh->prepare('
        SELECT
            *
        FROM
            table
        ORDER BY
            name
        LIMIT
            :limit
        OFFSET
            :offset
    ');

    // Bind the query params
    $stmt->bindParam(':limit', $limit, PDO::PARAM_INT);
    $stmt->bindParam(':offset', $offset, PDO::PARAM_INT);
    $stmt->execute();

    // Do we have any results?
    if ($stmt->rowCount() > 0) {
        // Define how we want to fetch the results
        $stmt->setFetchMode(PDO::FETCH_ASSOC);
        $iterator = new IteratorIterator($stmt);

        // Display the results
        foreach ($iterator as $row) {
            echo '<p>', $row['name'], '</p>';
        }

    } else {
        echo '<p>No results could be displayed.</p>';
    }

} catch (Exception $e) {
    echo '<p>', $e->getMessage(), '</p>';
}

It's rather hacky, but you could use one1 as a Float64Index to do everything in one go:

df.set_index('one').sort_index().groupby('key1')['two'].plot(style='--o', legend=True)

Note that as of 0.20.3, sorting the index is necessary, and the legend is a bit wonky.

You can create a delay using the following example

setInterval(function(){alert("Hello")},3000);

Replace 3000 with # of milliseconds

You can place the content of what you want executed inside the function.

There's absolutely nothing wrong with including the entirety of jQuery within your Greasemonkey script. Just take the source, and place it at the top of your user script. No need to make a script tag, since you're already executing JavaScript!

The user only downloads the script once anyways, so size of script is not a big concern. In addition, if you ever want your Greasemonkey script to work in non-GM environments (such as Opera's GM-esque user scripts, or Greasekit on Safari), it'll help not to use GM-unique constructs such as @require.

   /* worked for me  */
     <div id="divid"> </div>
     <script type="text/javascript">
         var hold = document.getElementById("divid");
         var checkbox = document.createElement('input');
         checkbox.type = "checkbox";
         checkbox.name = "chkbox1";
         checkbox.id = "cbid";
         var label = document.createElement('label');
         var tn = document.createTextNode("Not A RoBot");
         label.htmlFor="cbid";
         label.appendChild(tn); 
         hold.appendChild(label);
         hold.appendChild(checkbox);
      </script>  

The following is my preferred way to assign a multi-line string to a variable (I think it looks nice).

read -r -d '' my_variable << \
_______________________________________________________________________________

String1
String2
String3
...
StringN
_______________________________________________________________________________

The number of underscores is the same (here 80) in both cases.

In addition to the answers above:

If you created/edited your .sh script file in Windows, make sure it was saved with line ending in Unix format. By default many editors in Windows will convert Unix line endings to Windows format and Linux will not recognize shebang (#!/bin/sh) at the beginning of the file. So Linux will produce the error message like if there is no shebang.

Tips:

• If you use Notepad++, you need to click "Edit/EOL Conversion/UNIX (LF)"
• If you use Visual Studio, I would suggest installing "End Of Line" plugin. Then you can make line endings visible by pressing Ctrl-R, Ctrl-W. And to set Linux style endings you can press Ctrl-R, Ctrl-L. For Windows style, press Ctrl-R, Ctrl-C.

My solution to this error was that a copy and paste from another project that had a reference to @Model.Id. This particular page didn't have a model but the error line was so far off from the actual error I about never found it!

objArray.sort((a, b) => a.DepartmentName.localeCompare(b.DepartmentName))

Use Gravity Property in the TextView to center the Text Vertically and Horizontally.

android:gravity="center"

I got same problem... and I did it.

My code before:

<link rel="stylesheet" href="../css/style.default.css" type="text/css" />

And the problem solved after I changed my code into this:

<link rel="stylesheet" href="css/style.default.css" type="text/css" />

So I think "href=../" is not allowed, because I don't have problem when I use "../" in "src=../"

Backing up the other users, you will need to run Virtual PC instances on your Windows box. If you try to do a multi install of Internet Explorer, you will break conditional comments on pages, which will make testing difficult anyway (For example, With Internet Explorer 5, 6 and 7. On a Windows box, the IF Internet Explorer statements will resolve to Internet Explorer 7 even in Internet Explorer 5, which means even more weird bugs.

More information and a link to download and run a Internet Explorer 6 Virtual Image: http://blogs.msdn.com/ie/archive/2007/04/17/ie7-virtual-pc-image-and-ie6-virtual-pc-image-refresh.aspx

If you have Virtual PC already, here is the image: http://www.microsoft.com/Downloads/details.aspx?FamilyID=21eabb90-958f-4b64-b5f1-73d0a413c8ef&displaylang=en

From the quick start window, choose Configure, then choose Project Defaults, and then choose Project Structure. Then on the left under Platform Settings choose SDKs. Then to the right of that choose the current android platform, mine was Android 4.2.2 Platform, and delete it using the red minus button at the top, then add a new android platform using the green plus button at the top and point it to your current SDK folder and that is it.

You can just check if the jQuery object exists:

if( typeof jQuery !== 'undefined' ) ... // jQuery loaded

jQuery().jquery has the version number.

As for the prefix, jQuery should always work. If you want to use $ you can wrap your code to a function and pass jQuery to it as the parameter:

(function( $ ) {
    $( '.class' ).doSomething();  // works always
})( jQuery )

You can use text-align: center; line-height: 65px;

Demo

CSS

.loginBtn {
    background:url(images/loginBtn-center.jpg) repeat-x;
    width:175px;
    height:65px;
    margin:20px auto;
    border-radius:10px;
    -webkit-border-radius:10px;
    box-shadow:0 1px 2px #5e5d5b;
    text-align: center;  <--------- Here
    line-height: 65px;   <--------- Here
}

hope this would help:

window.location.href = '/url_after_domain';

ole@T:~$ docker run -it --rm alpine /bin/ash
(inside container) / # 

Options used above:

• /bin/ash is Ash (Almquist Shell) provided by BusyBox
• --rm Automatically remove the container when it exits (docker run --help)
• -i Interactive mode (Keep STDIN open even if not attached)
• -t Allocate a pseudo-TTY

If there is thread class with a handler in your project, when you started from one of the fragment class if you wanted to stop here is the solution how to stop and avoid crashing the app when fragment removes from the stack.

This code is in Kotlin. It perfectly works.

class NewsFragment : Fragment() {

    private var mGetRSSFeedsThread: GetRSSFeedsThread? = null

    private val mHandler = object : Handler() {

        override fun handleMessage(msg: Message?) {


            if (msg?.what == GetRSSFeedsThread.GETRSSFEEDSTHREAD_SUCCESS) {
                val updateXMLdata = msg.obj as String
                if (!updateXMLdata.isNullOrEmpty())
                    parseUpdatePager(CommonUtils.getJSONObjectFromXML(updateXMLdata).toString())

            } else if (msg?.what == GetRSSFeedsThread.GETRSSFEEDSTHREAD_SUCCESS) {
                BaseActivity.make_toast(activity, resources.getString(R.string.pleaseTryAgain))
            }

        }
    }
    private var rootview: View? = null;
    override fun onCreateView(inflater: LayoutInflater?, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        rootview = inflater?.inflate(R.layout.fragment_news, container, false);

        news_listView = rootview?.findViewById(R.id.news_listView)
        mGetRSSFeedsThread = GetRSSFeedsThread(this.activity, mHandler)


        if (CommonUtils.isInternetAvailable(activity)) {
            mGetRSSFeedsThread?.start()
        }


        return rootview
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setHasOptionsMenu(true);

    }



    override fun onAttach(context: Context?) {
        super.onAttach(context)
        println("onAttach")
    }

    override fun onPause() {
        super.onPause()
        println("onPause fragment may return to active state again")

        Thread.interrupted()

    }

    override fun onStart() {
        super.onStart()
        println("onStart")

    }

    override fun onResume() {
        super.onResume()
        println("onResume fragment may return to active state again")

    }

    override fun onDetach() {
        super.onDetach()
        println("onDetach fragment never return to active state again")

    }

    override fun onDestroy() {
        super.onDestroy()

        println("onDestroy fragment never return to active state again")
       //check the state of the task
        if (mGetRSSFeedsThread != null && mGetRSSFeedsThread?.isAlive!!) {
            mGetRSSFeedsThread?.interrupt();
        } else {

        }

    }

    override fun onDestroyView() {
        super.onDestroyView()
        println("onDestroyView fragment may return to active state again")



    }

    override fun onStop() {
        super.onStop()
        println("onStop fragment may return to active state again")



    }
}

Above code stops the running thread when you switch to any other fragment or activity from current fragment. also it recreates when you return to current fragment

Section

• Use this for defining a section of your layout. It could be mid,left,right ,etc..
• This has a meaning of connection with some other element, put simply, it's DEPENDENT.

Article

• Use this where you have independent content which make sense on its own .

• Article has its own complete meaning.

I think you probably want to view the minification of each set of css as a separate task

task minifyBrandACss(type: com.eriwen.gradle.css.tasks.MinifyCssTask) {
     source = "src/main/webapp/css/brandA/styles.css"
     dest = "${buildDir}/brandA/styles.css"
}

etc etc

BTW executing your minify tasks in an action of the war task seems odd to me - wouldn't it make more sense to make them a dependency of the war task?

For normal form you can do

class MyModelForm(forms.ModelForm):
    slug = forms.CharField(widget=forms.HiddenInput())

If you have model form you can do the following

class MyModelForm(forms.ModelForm):
    class Meta:
        model = TagStatus
        fields = ('slug', 'ext')
        widgets = {'slug': forms.HiddenInput()}

You can also override __init__ method

class Myform(forms.Form):
    def __init__(self, *args, **kwargs):
        super(Myform, self).__init__(*args, **kwargs)
        self.fields['slug'].widget = forms.HiddenInput()

It doesn't make any sense to have a named overloaded constructor in an anonymous class, as there would be no way to call it, anyway.

Depending on what you are actually trying to do, just accessing a final local variable declared outside the class, or using an instance initializer as shown by Arne, might be the best solution.

SqlCommand.ExecuteNonQuery Method

You can use the ExecuteNonQuery to perform catalog operations (for example, querying the structure of a database or creating database objects such as tables), or to change the data in a database without using a DataSet by executing UPDATE, INSERT, or DELETE statements. Although the ExecuteNonQuery returns no rows, any output parameters or return values mapped to parameters are populated with data. For UPDATE, INSERT, and DELETE statements, the return value is the number of rows affected by the command. When a trigger exists on a table being inserted or updated, the return value includes the number of rows affected by both the insert or update operation and the number of rows affected by the trigger or triggers. For all other types of statements, the return value is -1. If a rollback occurs, the return value is also -1.

SqlCommand.ExecuteScalar Method Executes a Transact-SQL statement against the connection and returns the number of rows affected.

So to get no. of statements returned by SELECT statement you have to use ExecuteScalar method.

Reference: http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommand.executenonquery(v=vs.110).aspx

So try below code:

SqlConnection conn = new SqlConnection("Data Source=;Initial Catalog=;Persist Security Info=True;User ID=;Password=");
conn.Open();

SqlCommand command = new SqlCommand("Select id from [table1] where name=@zip", conn);
command.Parameters.AddWithValue("@zip","india");
 // int result = command.ExecuteNonQuery();
using (SqlDataReader reader = command.ExecuteReader())
{
  if (reader.Read())
  {
     Console.WriteLine(String.Format("{0}",reader["id"]));
   }
}

conn.Close();

Put it as a background on your holder e.g.

<div style="background:url(path/to/image/myimage.jpg) center center; width:120px; height:120px;">
&nbsp;
</div>

This will center your image inside a 120x120 div chopping off any excess of the image

If you want to test whether a variable is really NULL, use the identity operator:

$user_id === NULL  // FALSE == NULL is true, FALSE === NULL is false
is_null($user_id)

If you want to check whether a variable is not set:

!isset($user_id)

Or if the variable is not empty, an empty string, zero, ..:

empty($user_id)

If you want to test whether a variable is not an empty string, ! will also be sufficient:

!$user_id

In ASP.NET Core 2 Web API, using Swashbuckle.AspNetCore package 2.1.0, implement a IDocumentFilter:

SwaggerSecurityRequirementsDocumentFilter.cs

using System.Collections.Generic;
using Swashbuckle.AspNetCore.Swagger;
using Swashbuckle.AspNetCore.SwaggerGen;

namespace api.infrastructure.filters
{
    public class SwaggerSecurityRequirementsDocumentFilter : IDocumentFilter
    {
        public void Apply(SwaggerDocument document, DocumentFilterContext context)
        {
            document.Security = new List<IDictionary<string, IEnumerable<string>>>()
            {
                new Dictionary<string, IEnumerable<string>>()
                {
                    { "Bearer", new string[]{ } },
                    { "Basic", new string[]{ } },
                }
            };
        }
    }
}

In Startup.cs, configure a security definition and register the custom filter:

public void ConfigureServices(IServiceCollection services)
{
    services.AddSwaggerGen(c =>
    {
        // c.SwaggerDoc(.....

        c.AddSecurityDefinition("Bearer", new ApiKeyScheme()
        {
            Description = "Authorization header using the Bearer scheme",
            Name = "Authorization",
            In = "header"
        });

        c.DocumentFilter<SwaggerSecurityRequirementsDocumentFilter>();
    });
}

In Swagger UI, click on Authorize button and set value for token.

Result:

curl -X GET "http://localhost:5000/api/tenants" -H "accept: text/plain" -H "Authorization: Bearer ABCD123456"

Looks like you've got the syntax slightly wrong... I'm assuming based on your code that you're trying to scroll down 100px in 800ms, if so then this works (using scrollTo 1.4.1):

$.scrollTo('+=100px', 800, { axis:'y' });

The following will give you all the elements which is not equal to your special characters!

review = jQuery.grep( review, function ( value ) {
    return ( value !== '\u2022 \u2022 \u2022' );
} );

The solution from the blog Prevent desktop lock or screensaver with PowerShell is working for me. Here is the relevant script, which simply sends a single period to the shell:

param($minutes = 60)

$myshell = New-Object -com "Wscript.Shell"

for ($i = 0; $i -lt $minutes; $i++) {
  Start-Sleep -Seconds 60
  $myshell.sendkeys(".")
}

and an alternative from the comments, which moves the mouse a single pixel:

$Pos = [System.Windows.Forms.Cursor]::Position
[System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point((($Pos.X) + 1) , $Pos.Y)
$Pos = [System.Windows.Forms.Cursor]::Position
[System.Windows.Forms.Cursor]::Position = New-Object System.Drawing.Point((($Pos.X) - 1) , $Pos.Y)

Usually when I use a select menu, each option has a value associated with it. For example

<select id="nfl">
  <option value="Bears Still...">Chicago Bears</option>
  <option selected="selected" value="Go Pack">Green Bay Packers</option>
</select>
console.log($('#nfl').val()) logs "Go Pack" to the console
Set the value to an empty string $('#nfl').val("")
console.log($('#nfl').val()) logs "" to the console

Now this doesn't remove the selected attribute from the option but all I really want is the value.

So left div style depends on the presence of right div. I can't think of a CSS selector allowing that kind of behavior yet.

Thus it seems to me that you'll need to programmatically add a class server side (or in JS) on parent div or left div to do that.

<div id="parent twocols">
  <div class="left"></div>
  <div class="right"></div>
</div>

or

<div id="parent">
  <div class="left"></div>
</div>

So right style is always :

.right {
    float: right;
    width: 200px; /* or whatever value you need */
    /* margin and padding at your discretion */
}

and left style is :

.parent.twocols .left {
    margin-right: 200px; /* according to right div width + margin + padding*/
}

import sys

def write():
    print('Creating new text file') 

    name = raw_input('Enter name of text file: ')+'.txt'  # Name of text file coerced with +.txt

    try:
        file = open(name,'a')   # Trying to create a new file or open one
        file.close()

    except:
        print('Something went wrong! Can\'t tell what?')
        sys.exit(0) # quit Python

write()

this will work promise :)

The problem with most of these solutions is that they do not work correctly when changing the cursor position within the input field.

The onmouseup event changes the cursor position within the field, which is fired after onfocus (at least within Chrome and FF). If you unconditionally discard the mouseup then the user cannot change the cursor position with the mouse.

function selectOnFocus(input) {
    input.each(function (index, elem) {
        var jelem = $(elem);
        var ignoreNextMouseUp = false;

        jelem.mousedown(function () {
            if (document.activeElement !== elem) {
                ignoreNextMouseUp = true;
            }
        });
        jelem.mouseup(function (ev) {
            if (ignoreNextMouseUp) {
                ev.preventDefault();
                ignoreNextMouseUp = false;
            }
        });
        jelem.focus(function () {
            jelem.select();
        });
    });
}
selectOnFocus($("#myInputElement"));

The code will conditionally prevent the mouseup default behaviour if the field does not currently have focus. It works for these cases:

• clicking when field is not focused
• clicking when field has focus
• tabbing into the field

I have tested this within Chrome 31, FF 26 and IE 11.

Another solution would be as below where the list is placed under a drop-down button.

  <button class="btn dropdown-toggle btn-primary btn-sm" data-toggle="dropdown"
    >Markets<span class="caret"></span></button>

    <ul class="dropdown-menu", style="height:40%; overflow:hidden; overflow-y:scroll;">
      {{ form.markets }}
    </ul>

You can extend TextView to set custom fonts as I learned here.

TextViewPlus.java:

package com.example;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Typeface;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.TextView;

public class TextViewPlus extends TextView {
    private static final String TAG = "TextView";

    public TextViewPlus(Context context) {
        super(context);
    }

    public TextViewPlus(Context context, AttributeSet attrs) {
        super(context, attrs);
        setCustomFont(context, attrs);
    }

    public TextViewPlus(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        setCustomFont(context, attrs);
    }

    private void setCustomFont(Context ctx, AttributeSet attrs) {
        TypedArray a = ctx.obtainStyledAttributes(attrs, R.styleable.TextViewPlus);
        String customFont = a.getString(R.styleable.TextViewPlus_customFont);
        setCustomFont(ctx, customFont);
        a.recycle();
    }

    public boolean setCustomFont(Context ctx, String asset) {
        Typeface tf = null;
        try {
        tf = Typeface.createFromAsset(ctx.getAssets(), asset);  
        } catch (Exception e) {
            Log.e(TAG, "Could not get typeface: "+e.getMessage());
            return false;
        }

        setTypeface(tf);  
        return true;
    }

}

attrs.xml: (in res/values)

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <declare-styleable name="TextViewPlus">
        <attr name="customFont" format="string"/>
    </declare-styleable>
</resources>

main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:foo="http://schemas.android.com/apk/res/com.example"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <com.example.TextViewPlus
        android:id="@+id/textViewPlus1"
        android:layout_height="match_parent"
        android:layout_width="match_parent"
        android:text="@string/showingOffTheNewTypeface"
        foo:customFont="saxmono.ttf">
    </com.example.TextViewPlus>
</LinearLayout>

You would put "saxmono.ttf" in the assets folder.

UPDATE 8/1/13

There are serious memory concerns with this method. See chedabob's comment below.

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

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

Use the open source okHttp library from Square. okHttp works from Android 2.3 and up and has an Apache 2.0 license on GitHub.

Sending POST data is as simple as adding the following in an AsyncTask:

OkHttpClient client = new OkHttpClient();
RequestBody formBody = new FormBody.Builder()
                      .add("email", emailString) // A sample POST field
                      .add("comment", commentString) // Another sample POST field
                      .build();
Request request = new Request.Builder()
                 .url("https://yourdomain.org/callback.php") // The URL to send the data to
                 .post(formBody)
                 .build();

okHttp also has a namespace on maven, so adding it to your Android Studio project is simple. Just add compile 'com.squareup.okhttp3:okhttp:3.11.0' to your app's build.gradle.

Complete Code

Add the following to your activity:

public class CallAPI extends AsyncTask<String, String, String> {

    String emailString;
    String commentString;

    public CallAPI(String email, String commnt){
           emailString = email;
           commentString = commnt;
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
    }

    @Override
    protected String doInBackground(String... params) {
        OkHttpClient client = new OkHttpClient();
        RequestBody formBody = new FormBody.Builder()
                      .add("email", emailString) // A sample POST field
                      .add("comment", commentString) // Another sample POST field
                      .build();
        Request request = new Request.Builder()
                 .url("https://yourdomain.org/callback.php") // The URL to send the data to
                 .post(formBody)
                 .build();
        return "";
    }

    @Override
    protected void onPostExecute(String s) {
        super.onPostExecute(s);
    }
}

And call it using:

new CallAPI(emailString, commentString).execute();

I have a Samsung Galaxy Tab 2 7.0 with Android 4.1.1. Apparently it does NOT sync to ntp. I loaded an app that says my tablet is 20 seconds off of ntp, but it can't set it unless I root the device.

Got this error even though I had already been sending csrf token. Turned out there was no more space left on server.

Please add this line in your web.xml It works for me

<context-param>
        <param-name>org.ajax4jsf.handleViewExpiredOnClient</param-name> 
        <param-value>true</param-value>     
    </context-param>

Yes you can do it with String.format:

String result = String.format("%.2f", 10.0 / 3.0);
// result:  "3.33"

result = String.format("%.3f", 2.5);
// result:  "2.500"

Even you don't need to run the loop for that.

You can delete all the node_modules by using the only single command:-

npm uninstall `ls -1 node_modules | tr '/\n' ' '`

Manual bootstrapping both the modules will work. Look at this

  <!-- IN HTML -->
  <div id="dvFirst">
    <div ng-controller="FirstController">
      <p>1: {{ desc }}</p>
    </div>
  </div>

  <div id="dvSecond">
    <div ng-controller="SecondController ">
      <p>2: {{ desc }}</p>
    </div>
  </div>



// IN SCRIPT       
var dvFirst = document.getElementById('dvFirst');
var dvSecond = document.getElementById('dvSecond');

angular.element(document).ready(function() {
   angular.bootstrap(dvFirst, ['firstApp']);
   angular.bootstrap(dvSecond, ['secondApp']);
});

Here is the link to the Plunker http://plnkr.co/edit/1SdZ4QpPfuHtdBjTKJIu?p=preview

NOTE: In html, there is no ng-app. id has been used instead.

If you want to retrieve the key's value if it exists, you can also use

try:
    value = a[key]
except KeyError:
    # Key is not present
    pass

If you want to retrieve a default value when the key does not exist, use value = a.get(key, default_value). If you want to set the default value at the same time in case the key does not exist, use value = a.setdefault(key, default_value).

I just had the same problem and discovered an alternative solution using the validation API - works without black magic in all major browsers (Chrome, Firefox, Safari) except IE. This solution simply prevents users from entering invalid values. I also included a fallback for IE, which is not nice but works at least.

Context: onInput function is called on input events, setInputValue is used to set the value of the input element, previousInputValue contains the last valid input value (updated in setInputValue calls).

    function onInput (event) {
        const inputValue = event.target.value;

        // badInput supported on validation api (except IE)
        // in IE it will be undefined, so we need strict value check
        const badInput = event.target.validity.badInput;

        // simply prevent modifying the value
        if (badInput === true) {
        // it's still possible to enter invalid values in an empty input, so we'll need this trick to prevent that
            if (previousInputValue === '') {
                setInputValue(' ');
                setTimeout(() => {
                    setInputValue('');
                }, 1);
            }
            return;
        }

        if (badInput === false) {
            setInputValue(inputValue);
            return;
        }

        // fallback case for IE and other abominations

        // remove everything from the string expect numbers, point and comma
        // replace comma with points (parseFloat works only with points)
        let stringVal = String(inputValue)
            .replace(/([^0-9.,])/g, '')
            .replace(/,/g, '.');

        // remove all but first point
        const pointIndex = stringVal.indexOf('.');
        if (pointIndex !== -1) {
            const pointAndBefore = stringVal.substring(0, pointIndex + 1);
            const afterPoint = stringVal.substring(pointIndex + 1);

            // removing all points after the first
            stringVal = `${pointAndBefore}${afterPoint.replace(/\./g, '')}`;
        }

        const float = parseFloat(stringVal);
        if (isNaN(float)) {
            // fallback to emptying the input if anything goes south
            setInputValue('');
            return;
        }
        setInputValue(stringVal);
}

NAudio wraps the WaveOutXXXX API. I haven't looked at the source, but if NAudio exposes the waveOutWrite() function in a way that doesn't automatically stop playback on each call, then you should be able to do what you really want, which is to start playing the audio stream before you've received all the data.

Using the waveOutWrite() function allows you to "read ahead" and dump smaller chunks of audio into the output queue - Windows will automatically play the chunks seamlessly. Your code would have to take the compressed audio stream and convert it to small chunks of WAV audio on the fly; this part would be really difficult - all the libraries and components I've ever seen do MP3-to-WAV conversion an entire file at a time. Probably your only realistic chance is to do this using WMA instead of MP3, because you can write simple C# wrappers around the multimedia SDK.

It depends on the nature of your application. And, since you did not describe it in great detail, it is an impossible question to answer. I find Backbone to be the easiest, but I work in Angular all day. Performance is more up to the coder than the framework, in my opinion.

Are you doing heavy DOM manipulation? I would use jQuery and Backbone.

Very data driven app? Angular with its nice data binding.

Game programming? None - direct to canvas; maybe a game engine.

If your spring-context.xml and my.config files are in different jars then you will need to use classpath*:my.config?

More info here

Also, make sure you are using resource.getInputStream() not resource.getFile() when loading from inside a jar file.

Great one from leaked Windows 2000 source code :

!!!!!!!IF YOU CHANGE TABS TO SPACES, YOU WILL BE KILLED!!!!!!! *
!!!!!!!!!!!!!!DOING SO FUCKS THE BUILD PROCESS!!!!!!!!!!!!!!!! *
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

http://www.kuro5hin.org/story/2004/2/15/71552/7795

It's a little tricky because of the nested IFs but here is my answer (confirmed in Google Spreadsheets):

=IF(AND(A2>=0,    A2<500),  "Less than 500", 
 IF(AND(A2>=500,  A2<1000), "Between 500 and 1000", 
 IF(AND(A2>=1000, A2<1500), "Between 1000 and 1500", 
 IF(AND(A2>=1500, A2<2000), "Between 1500 and 2000", "Undefined"))))

Added shortcut Ctrl+Shift+X C to Keybindings (Window -> Preferences -> filter for Keys) when 'Editing Java Source' for 'Remove Active Session'.

Use round()

$float_val = 4.5;

echo round($float_val);

You can also set param for precision and rounding mode, for more info

Update (According to your updated question):

$float_val = 1.0000124668092E+14;
printf('%.0f', $float_val / 1E+14); //Output Rounds Of To 1000012466809201

Use a data list instead.

<form action="/action_page.php" method="get">
      <input list="browsers" name="browser">
      <datalist id="browsers">
        <option value="Internet Explorer">
        <option value="Firefox">
        <option value="Chrome">
        <option value="Opera">
        <option value="Safari">
      </datalist>
      <input type="submit">
    </form>

Not supported I.E. 9 and back. https://www.w3schools.com/tags/tryit.asp?filename=tryhtml5_datalist

This font is not standard on all devices. It is installed by default on some Macs, but rarely on PCs and mobile devices.

To use this font on all devices, use a @font-face declaration in your CSS to link to it on your domain if you wish to use it.

@font-face { font-family: Delicious; src: url('Delicious-Roman.otf'); } 
@font-face { font-family: Delicious; font-weight: bold; src: url('Delicious-Bold.otf'); }

Taken from css3.info

I was trying to find a way with Redirect but failed. Redirecting onClick is simpler than we think. Just place the following basic JavaScript within your onClick function, no monkey business:

window.location.href="pagelink"

I just wanted to add that with flatMap, you don't really need to use your own custom Observable inside the function and you can rely on standard factory methods/operators:

Observable.from(jsonFile).flatMap(new Func1<File, Observable<String>>() {
    @Override public Observable<String> call(final File file) {
        try {
            String json = new Gson().toJson(new FileReader(file), Object.class);
            return Observable.just(json);
        } catch (FileNotFoundException ex) {
            return Observable.<String>error(ex);
        }
    }
});

Generally, you should avoid throwing (Runtime-) exceptions from onXXX methods and callbacks if possible, even though we placed as many safeguards as we could in RxJava.

This should display the image inline:

.content-dir-item img.mail {
    display: inline-block;
    *display: inline; /* for older IE */
    *zoom: 1; /* for older IE */
}

All necessary git bash commands to push and pull into Github:

git status 
git pull
git add filefullpath

git commit -m "comments for checkin file" 
git push origin branch/master
git remote -v 
git log -2 

If you want to edit a file then:

edit filename.* 

To see all branches and their commits:

git show-branch

You can use the python-n2w library, Just do

pip install n2w

then simply

print(n2w.convert(your-number-here))

inline if:

(('hypothesis') ? 'truthy conclusion' : 'falsey conclusion')

truthy conclusion: statements executed when hypothesis is true

falsey conclusion: statements executed when hypothesis is false

your example:

var c = ((a < b) ? 'a<b statements' : '!(a<b) statements');

The style that you give the "g" element will apply the child elements, not the "g" element itself.

Add a rectangle element and position around the group you wish to style.

See: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g

EDIT: updated wording and added fiddle in comments.

If you don't have a company, leave your name, it doesn't matter as long as both bundle id in info.plist file and the one you've submitted in iTunes Connect match.

In Bundle ID Suffix you should write full name of bundle ID.

Example:

Bundle ID suffix = thebestapp (NOT CORRECT!!!!)

Bundle ID suffix = com.awesomeapps.thebestapp (CORRECT!!)

The reason for this is explained in the Developer Portal:

The App ID string contains two parts separated by a period (.) — an App ID Prefix (your Team ID by default, e.g. ABCDE12345), and an App ID Suffix (a Bundle ID search string, e.g. com.mycompany.appname). [emphasis added]

So in this case the suffix is the full string com.awesomeapps.thebestapp.

We can also use postgresql-easy. It is built on node-postgres and sqlutil. Note: pg_connection.js & your_handler.js are in the same folder. db.js is in the config folder placed.

pg_connection.js

const PgConnection = require('postgresql-easy');
const dbConfig = require('./config/db');
const pg = new PgConnection(dbConfig);
module.exports = pg;

./config/db.js

module.exports =  {
  database: 'your db',
  host: 'your host',
  port: 'your port',
  user: 'your user',
  password: 'your pwd',
}

your_handler.js

  const pg_conctn = require('./pg_connection');

  pg_conctn.getAll('your table')
    .then(res => {
         doResponseHandlingstuff();
      })
    .catch(e => {
         doErrorHandlingStuff()     
      })

I'll add that arrays are very low-level constructs in C++ and you should try to stay away from them as much as possible when "learning the ropes" -- even Bjarne Stroustrup recommends this (he's the designer of C++).

Vectors come very close to the same performance as arrays, but with a great many conveniences and safety features. You'll probably start using arrays when interfacing with API's that deal with raw arrays, or when building your own collections.

On a Mac: Quit Chrome, then run the following command in a terminal window:

open -a "Google Chrome" --args --auto-open-devtools-for-tabs

Some action, very possibly not represented in the visible code, has closed the interactive screen device. It could be done either by a "click" on a close-button. (Could also be done by an extra dev.off() when plotting to a file-graphics device. This may happen if you paste in a mult-line plotting command that has a dev,off() at the end of it but errors out at the opening of the external device but then has hte dev.off() on a separate line so it accidentally closes the interactive device).

Some (most?) R implementations will start up a screen graphics device open automatically, but if you close it down, you then need to re-initialize it. On Windows that might be window(); on a Mac, quartz(); and on a linux box, x11(). You also may need to issue a plot.new() command. I just follow orders. When I get that error I issue plot.new() and if I don't see a plot window, I issue quartz() as well. I then start over from the beginning with a new plot(., ., ...) command and any further additions to that plot screen image.

You can get this issue if Apple update their terms. Simply log into your dev account and accept any updated terms and you should be good (you will need to goto Xcode -> project->signing and capabilities and retry the certificate check. This should get you going if terms are the issue.

Object destructuring the parameter object is what many of the answers above are aiming for and Typescript now has the methods in place to make it much easier to read and intuitively understand.

Destructuring Basics: By destructuring an object, you can choose properties from an object by key name. You can define as few or as many of the properties you like, and default values are set by a basic syntax of let {key = default} = object.

let {firstName, lastName = 'Smith'} = myParamsObject;

//Compiles to:
var firstName = myParamsObject.firstName, 
_a = myParamsObject.lastName, 
lastName = _a === void 0 ? 'Smith' : _a;

Writing an interface, type or class for the parameter object improves legibility.

type FullName = {_x000D_
  firstName: string;_x000D_
   _x000D_
  /** @default 'Smith' */_x000D_
  lastName ? : string;_x000D_
}_x000D_
_x000D_
function sayName(params: FullName) {_x000D_
_x000D_
  // Set defaults for parameter object_x000D_
  var { firstName, lastName = 'Smith'} = params;_x000D_
_x000D_
  // Do Stuff_x000D_
  var name = firstName + " " + lastName;_x000D_
  alert(name);_x000D_
}_x000D_
_x000D_
// Use it_x000D_
sayName({_x000D_
  firstName: 'Bob'_x000D_
});

There are several ways to do a cross join or cartesian product:

SELECT column_names FROM table1 CROSS JOIN table2;

SELECT column_names FROM table1, table2;

SELECT column_names FROM table1 JOIN table2;

Neglecting the on condition in the third case is what results in a cross join.

That approach will be good if the date-time in question is in UTC, or represents local time in an area that has never observed daylight saving time. The DateTime difference routines do not take into account Daylight Saving Time, and consequently will regard midnight June 1 as being a multiple of 24 hours after midnight January 1. I'm unaware of anything in Windows that reports historical daylight-saving rules for the current locale, so I don't think there's any good way to correctly handle any time prior to the most recent daylight-saving rule change.

The first answer mentioned how to get the description property programatically. If you're going to bother with program anyway, since the comments in the query are so kludgy, instead of trying to put the comments in the query, maybe it's better to put them in a program and use the program to make all your queries

Dim dbs As DAO.Database
Dim qry As DAO.QueryDef

Set dbs = CurrentDb
'put your comments wherever in your program makes the most sense
dbs.QueryDefs("qryName").SQL = "SELECT whatever.fields FROM whatever_table;"
DoCmd.OpenQuery "qryname"

If you need some complete solution, you can use this :

http://jsfiddle.net/7Vv8u/2703/

JS (jQuery)

var text = $('.text-overflow'),
     btn = $('.btn-overflow'),
       h = text.scrollHeight; 

if(h > 120) {
    btn.addClass('less');
    btn.css('display', 'block');
}

btn.click(function(e) 
{
  e.stopPropagation();

  if (btn.hasClass('less')) {
      btn.removeClass('less');
      btn.addClass('more');
      btn.text('Show less');

      text.animate({'height': h});
  } else {
      btn.addClass('less');
      btn.removeClass('more');
      btn.text('Show more');
      text.animate({'height': '120px'});
  }  
});

HTML

<script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"></script>
<div class="text-overflow">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</div>
<a class="btn-overflow" href="#">Show more</a> 

CSS

.text-overflow {
  width:250px;
  height:120px;
  display:block; 
  overflow:hidden;
  word-break: break-word;
  word-wrap: break-word;
}

.btn-overflow {
  display: none;
  text-decoration: none; 
}

First make sure that you've installed the plugin, but it's likely that the workspace directory isn't properly set. Just check Pylint and edit the underlying settings.json file.

{
    "python.pythonPath": "/usr/local/bin/python3",
    "git.ignoreLimitWarning": true
}

call concat and pass param axis=1 to concatenate column-wise:

In [5]:

pd.concat([df_a,df_b], axis=1)
Out[5]:
        AAseq Biorep  Techrep Treatment     mz      AAseq1 Biorep1  Techrep1  \
0  ELVISLIVES      A        1         C  500.0  ELVISLIVES       A         1   
1  ELVISLIVES      A        1         C  500.5  ELVISLIVES       A         1   
2  ELVISLIVES      A        1         C  501.0  ELVISLIVES       A         1   

  Treatment1  inte1  
0          C   1100  
1          C   1050  
2          C   1010  

There is a useful guide to the various methods of merging, joining and concatenating online.

For example, as you have no clashing columns you can merge and use the indices as they have the same number of rows:

In [6]:

df_a.merge(df_b, left_index=True, right_index=True)
Out[6]:
        AAseq Biorep  Techrep Treatment     mz      AAseq1 Biorep1  Techrep1  \
0  ELVISLIVES      A        1         C  500.0  ELVISLIVES       A         1   
1  ELVISLIVES      A        1         C  500.5  ELVISLIVES       A         1   
2  ELVISLIVES      A        1         C  501.0  ELVISLIVES       A         1   

  Treatment1  inte1  
0          C   1100  
1          C   1050  
2          C   1010  

And for the same reasons as above a simple join works too:

In [7]:

df_a.join(df_b)
Out[7]:
        AAseq Biorep  Techrep Treatment     mz      AAseq1 Biorep1  Techrep1  \
0  ELVISLIVES      A        1         C  500.0  ELVISLIVES       A         1   
1  ELVISLIVES      A        1         C  500.5  ELVISLIVES       A         1   
2  ELVISLIVES      A        1         C  501.0  ELVISLIVES       A         1   

  Treatment1  inte1  
0          C   1100  
1          C   1050  
2          C   1010  

In general, I/O means Input or Output. Those methods throw the IOException whenever an input or output operation is failed or interpreted. Note that this won't be thrown for reading or writing to memory as Java will be handling it automatically.

Here are some cases which result in IOException.

• Reading from a closed inputstream
• Try to access a file on the Internet without a network connection

I was writing my code in PHP, and I had a bit of trouble using concat and union functions, and also did not use SQL variables, any ways I got it to work, here is my code:

//first I connected to the information_scheme DB

$headercon=mysqli_connect("localhost", "USERNAME", "PASSWORD", "information_schema");

//took the healders out in a string (I could not get the concat function to work, so I wrote a loop for it)

    $headers = '';
    $sql = "SELECT column_name AS columns FROM `COLUMNS` WHERE table_schema = 'YOUR_DB_NAME' AND table_name = 'YOUR_TABLE_NAME'";
    $result = $headercon->query($sql);
    while($row = $result->fetch_row())
    {
        $headers = $headers . "'" . $row[0] . "', ";
    }
$headers = substr("$headers", 0, -2);

// connect to the DB of interest

$con=mysqli_connect("localhost", "USERNAME", "PASSWORD", "YOUR_DB_NAME");

// export the results to csv
$sql4 = "SELECT $headers UNION SELECT * FROM YOUR_TABLE_NAME WHERE ... INTO OUTFILE '/output.csv' FIELDS TERMINATED BY ','";
$result4 = $con->query($sql4);

Document has already explain the usage. So I am using SQL to explain these methods

Example:

Assuming there is an Order (orders) has many OrderItem (order_items).

And you have already build the relationship between them.

// App\Models\Order:
public function orderItems() {
    return $this->hasMany('App\Models\OrderItem', 'order_id', 'id');
}

These three methods are all based on a relationship.

With

Result: with() return the model object and its related results.

Advantage: It is eager-loading which can prevent the N+1 problem.

When you are using the following Eloquent Builder:

Order::with('orderItems')->get();

Laravel change this code to only two SQL:

// get all orders:
SELECT * FROM orders; 

// get the order_items based on the orders' id above
SELECT * FROM order_items WHERE order_items.order_id IN (1,2,3,4...);

And then laravel merge the results of the second SQL as different from the results of the first SQL by foreign key. At last return the collection results.

So if you selected columns without the foreign_key in closure, the relationship result will be empty:

Order::with(['orderItems' => function($query) { 
           // $query->sum('quantity');
           $query->select('quantity'); // without `order_id`
       }
])->get();

#=> result:
[{  id: 1,
    code: '00001',
    orderItems: [],    // <== is empty
  },{
    id: 2,
    code: '00002',
    orderItems: [],    // <== is empty
  }...
}]

Has

Has will return the model's object that its relationship is not empty.

Order::has('orderItems')->get();

Laravel change this code to one SQL:

select * from `orders` where exists (
    select * from `order_items` where `order`.`id` = `order_item`.`order_id`
)

whereHas

whereHas and orWhereHas methods to put where conditions on your has queries. These methods allow you to add customized constraints to a relationship constraint.

Order::whereHas('orderItems', function($query) {
   $query->where('status', 1);
})->get();

Laravel change this code to one SQL:

select * from `orders` where exists (
    select * 
    from `order_items` 
    where `orders`.`id` = `order_items`.`order_id` and `status` = 1
)

Another option would be to use a procedure with output parameters - Using a Stored Procedure with Output Parameters

It's recommended to try any or all of the following:

• Restart Visual Studio

• Try Running As Administrator (right-click Visual Studio and choose "Run As Administrator")

• Check for any updates for Visual Studio (download and install them if any are available)

• Try opening a different solution / project

If problems persist, you might try the following options:

• Restart your local machine

• Attempt to reset Visual Studio to System Defaults (this can be done from the options within Visual Studio)

• Attempt to repair your Visual Studio installation

I am using python 3 in windows. I also faced this issue. I just uninstalled 'mysqlclient' and then installed it again. It worked somehow

QFile file("bigimage.jpg");

if (file.open(QIODevice::ReadOnly))
{
    QByteArray fileData = file.readAll();

    QByteArray hashData = QCryptographicHash::hash(fileData,QCryptographicHash::Md5); // or QCryptographicHash::Sha1
    qDebug() << hashData.toHex();  // 0e0c2180dfd784dd84423b00af86e2fc

}

This was a very important issue for me in order for my site to be multilingual. So here is my conclusion tested in Firefox and Chrome.

jQuery trigger comes in handy.

So this hides the standard boring type=file labels. You can place any label you want and format anyway. I customized a script from http://demo.smarttutorials.net/ajax1/. The script allows multiple file uploads with thumbnail preview and uses PHP and MySQL.

<form enctype="multipart/form-data" name='imageform' role="form"    ="imageform" method="post" action="upload_ajax.php">
    <div class="form-group">
        <div id="select_file">Select a file</div>
        <input class='file' type="file" style="display: none " class="form-control" name="images_up" id="images_up" placeholder="Please choose your image">
        <div id="my_file"></div>
        <span class="help-block"></span>
    </div>
    <div id="loader" style="display: none;">
        Please wait image uploading to server....
    </div>
    <input type="submit" value="Upload" name="image_upload" id="image_upload" class="btn"/>
</form>

$('#select_file').click(function() {
    $('#images_up').trigger('click');
    $('#images_up').change(function() {
        var filename = $('#images_up').val();
        if (filename.substring(3,11) == 'fakepath') {
            filename = filename.substring(12);
        } // Remove c:\fake at beginning from localhost chrome
        $('#my_file').html(filename);
   });
});