Programs & Examples On #Avr

I think the main difference I can describe relates to record oriented vs. column oriented formats. Record oriented formats are what we're all used to -- text files, delimited formats like CSV, TSV. AVRO is slightly cooler than those because it can change schema over time, e.g. adding or removing columns from a record. Other tricks of various formats (especially including compression) involve whether a format can be split -- that is, can you read a block of records from anywhere in the dataset and still know it's schema? But here's more detail on columnar formats like Parquet.

Parquet, and other columnar formats handle a common Hadoop situation very efficiently. It is common to have tables (datasets) having many more columns than you would expect in a well-designed relational database -- a hundred or two hundred columns is not unusual. This is so because we often use Hadoop as a place to denormalize data from relational formats -- yes, you get lots of repeated values and many tables all flattened into a single one. But it becomes much easier to query since all the joins are worked out. There are other advantages such as retaining state-in-time data. So anyway it's common to have a boatload of columns in a table.

Let's say there are 132 columns, and some of them are really long text fields, each different column one following the other and use up maybe 10K per record.

While querying these tables is easy with SQL standpoint, it's common that you'll want to get some range of records based on only a few of those hundred-plus columns. For example, you might want all of the records in February and March for customers with sales > $500.

To do this in a row format the query would need to scan every record of the dataset. Read the first row, parse the record into fields (columns) and get the date and sales columns, include it in your result if it satisfies the condition. Repeat. If you have 10 years (120 months) of history, you're reading every single record just to find 2 of those months. Of course this is a great opportunity to use a partition on year and month, but even so, you're reading and parsing 10K of each record/row for those two months just to find whether the customer's sales are > $500.

In a columnar format, each column (field) of a record is stored with others of its kind, spread all over many different blocks on the disk -- columns for year together, columns for month together, columns for customer employee handbook (or other long text), and all the others that make those records so huge all in their own separate place on the disk, and of course columns for sales together. Well heck, date and months are numbers, and so are sales -- they are just a few bytes. Wouldn't it be great if we only had to read a few bytes for each record to determine which records matched our query? Columnar storage to the rescue!

Even without partitions, scanning the small fields needed to satisfy our query is super-fast -- they are all in order by record, and all the same size, so the disk seeks over much less data checking for included records. No need to read through that employee handbook and other long text fields -- just ignore them. So, by grouping columns with each other, instead of rows, you can almost always scan less data. Win!

But wait, it gets better. If your query only needed to know those values and a few more (let's say 10 of the 132 columns) and didn't care about that employee handbook column, once it had picked the right records to return, it would now only have to go back to the 10 columns it needed to render the results, ignoring the other 122 of the 132 in our dataset. Again, we skip a lot of reading.

(Note: for this reason, columnar formats are a lousy choice when doing straight transformations, for example, if you're joining all of two tables into one big(ger) result set that you're saving as a new table, the sources are going to get scanned completely anyway, so there's not a lot of benefit in read performance, and because columnar formats need to remember more about the where stuff is, they use more memory than a similar row format).

One more benefit of columnar: data is spread around. To get a single record, you can have 132 workers each read (and write) data from/to 132 different places on 132 blocks of data. Yay for parallelization!

And now for the clincher: compression algorithms work much better when it can find repeating patterns. You could compress AABBBBBBCCCCCCCCCCCCCCCC as 2A6B16C but ABCABCBCBCBCCCCCCCCCCCCCC wouldn't get as small (well, actually, in this case it would, but trust me :-) ). So once again, less reading. And writing too.

So we read a lot less data to answer common queries, it's potentially faster to read and write in parallel, and compression tends to work much better.

Columnar is great when your input side is large, and your output is a filtered subset: from big to little is great. Not as beneficial when the input and outputs are about the same.

But in our case, Impala took our old Hive queries that ran in 5, 10, 20 or 30 minutes, and finished most in a few seconds or a minute.

Hope this helps answer at least part of your question!

In pyspark,SparkSql syntax:

where column_n like 'xyz%'

might not work.

Use:

where column_n RLIKE '^xyz' 

This works perfectly fine.

The "Getting Started" page is the introduction to the documentation. Most documentation will start off with installation instructions, just like Composer's do.

The page that contains information on the composer.json file is located here - under "Basic Usage", the second page.

I'd recommend reading over the documentation in full, so that you gain a better understanding of how to use Composer. I'd also recommend removing what you have and following the installation instructions provided in the documentation.

This is how I solved the problem. In Device Manager you will find the Arduino COM port.

Go to the Advanced properties of the port

Set the COM port number to COM1.

Then replug the USB.

I just wanted to say that after trying a bunch of things, what fixed my CORS problem was simply using an older version of socket.io (version 2.2.0). My package.json file now looks like this:

{
  "name": "current-project",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "devStart": "nodemon server.js"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "socket.io": "^2.2.0"
  },
  "devDependencies": {
    "nodemon": "^1.19.0"
  }
}

If you execute npm install with this, you may find that the CORS problem goes away when trying to use socket.io. At least it worked for me.

Use FileSaver.js. It supports Chrome, Edge, Firefox, and IE 10+ (and probably IE < 10 with a few "polyfills" - see Note 4). FileSaver.js implements the saveAs() FileSaver interface in browsers that do not natively support it:
     https://github.com/eligrey/FileSaver.js

Minified version is really small at < 2.5KB, gzipped < 1.2KB.

Usage:

/* TODO: replace the blob content with your byte[] */
var blob = new Blob([yourBinaryDataAsAnArrayOrAsAString], {type: "application/octet-stream"});
var fileName = "myFileName.myExtension";
saveAs(blob, fileName);

You might need Blob.js in some browsers (see Note 3). Blob.js implements the W3C Blob interface in browsers that do not natively support it. It is a cross-browser implementation:
     https://github.com/eligrey/Blob.js

Consider StreamSaver.js if you have files larger than blob's size limitations.

Complete example:

/* Two options_x000D_
 * 1. Get FileSaver.js from here_x000D_
 *     https://github.com/eligrey/FileSaver.js/blob/master/FileSaver.min.js -->_x000D_
 *     <script src="FileSaver.min.js" />_x000D_
 *_x000D_
 * Or_x000D_
 *_x000D_
 * 2. If you want to support only modern browsers like Chrome, Edge, Firefox, etc., _x000D_
 *    then a simple implementation of saveAs function can be:_x000D_
 */_x000D_
function saveAs(blob, fileName) {_x000D_
    var url = window.URL.createObjectURL(blob);_x000D_
_x000D_
    var anchorElem = document.createElement("a");_x000D_
    anchorElem.style = "display: none";_x000D_
    anchorElem.href = url;_x000D_
    anchorElem.download = fileName;_x000D_
_x000D_
    document.body.appendChild(anchorElem);_x000D_
    anchorElem.click();_x000D_
_x000D_
    document.body.removeChild(anchorElem);_x000D_
_x000D_
    // On Edge, revokeObjectURL should be called only after_x000D_
    // a.click() has completed, atleast on EdgeHTML 15.15048_x000D_
    setTimeout(function() {_x000D_
        window.URL.revokeObjectURL(url);_x000D_
    }, 1000);_x000D_
}_x000D_
_x000D_
(function() {_x000D_
    // convert base64 string to byte array_x000D_
    var byteCharacters = atob("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");_x000D_
    var byteNumbers = new Array(byteCharacters.length);_x000D_
    for (var i = 0; i < byteCharacters.length; i++) {_x000D_
        byteNumbers[i] = byteCharacters.charCodeAt(i);_x000D_
    }_x000D_
    var byteArray = new Uint8Array(byteNumbers);_x000D_
    _x000D_
    // now that we have the byte array, construct the blob from it_x000D_
    var blob1 = new Blob([byteArray], {type: "application/octet-stream"});_x000D_
_x000D_
    var fileName1 = "cool.gif";_x000D_
    saveAs(blob1, fileName1);_x000D_
_x000D_
    // saving text file_x000D_
    var blob2 = new Blob(["cool"], {type: "text/plain"});_x000D_
    var fileName2 = "cool.txt";_x000D_
    saveAs(blob2, fileName2);_x000D_
})();

Tested on Chrome, Edge, Firefox, and IE 11 (use FileSaver.js for supporting IE 11).
You can also save from a canvas element. See https://github.com/eligrey/FileSaver.js#saving-a-canvas.

Demos: https://eligrey.com/demos/FileSaver.js/

Blog post by author of FileSaver.js: http://eligrey.com/blog/post/saving-generated-files-on-the-client-side

Note 1: Browser support: https://github.com/eligrey/FileSaver.js#supported-browsers

Note 2: Failed to execute 'atob' on 'Window'

Note 3: Polyfill for browsers not supporting Blob: https://github.com/eligrey/Blob.js
                See http://caniuse.com/#search=blob

Note 4: IE < 10 support (I've not tested this part):
                https://github.com/eligrey/FileSaver.js#ie--10
                https://github.com/eligrey/FileSaver.js/issues/56#issuecomment-30917476

Downloadify is a Flash-based polyfill for supporting IE6-9: https://github.com/dcneiner/downloadify (I don't recommend Flash-based solutions in general, though.)
Demo using Downloadify and FileSaver.js for supporting IE6-9 also: http://sheetjs.com/demos/table.html

Note 5: Creating a BLOB from a Base64 string in JavaScript

Note 6: FileSaver.js examples: https://github.com/eligrey/FileSaver.js#examples

I got same problem, I tried all above, noting solved my problem. Luckely, I solved the problem this way:

echo $SHELL

Output

/bin/zsh
OR 
/bin/bash

If it showing "bash" in output. You have to add env properties in .bashrc file (.bash_profile i did not tried, you can try) or else
It is showing 'zsh' in output. You have to add env properties in .zshrc file, if not exist already you create one no issue.

Just thought I'd point out that my brand new Arduino Uno Rev3 board uses the following LInux driver:

Device Drivers    
|-USB Drivers
  |-USB Modem (CDC ACM) support

This is known as the: CONFIG_USB_ACM: option in the most recent LInux 3.x kernel.

This device then comes up as: /dev/ttyACM0 or similar.

The error message basically means that the programmer is unable to contact the bootloader on the device; the code you're trying to upload has no bearing on the problem.

What causes this can be numerous and varied, some possible issues:

1. UART communications

   • Blinking is happening, so hopefully you aren't using the wrong port. It might be worth checking again though, sometimes USB COM devices install on strange port numbers.

   • Connect TX to RX (and disconnect them from the AVR if possible) then open a terminal on the COM port, you should see characters echoed if you type them. If you don't, something is wrong up-stream of the chip, it could be the communications chip (I think the Arduino 2560 uses a secondary AVR instead of an FTDI for some reason, so that could be broken, either its software or hardware)

2. ATmega* bootloader

   • The AVR is not executing the bootloader for some reason. If the programmer is not resetting the micro before attempting to connect, this might be the reason. Try to reset the AVR (press and release the button) while the programmer is attempting to connect. Sometimes software that runs in a tight loop will prevent the bootloader from connecting.

   • Barring that, the fuses might have gotten messed up or the code erased. You would need to reflash the bootloader and proper fuses, again, see the appropriate info page for your device.

3. Arduino Mega 2560 only: ATmega8U/16U software

   • Might not be working and would need reprogramming. See the Programming section on the info page, you will need the firmware and Atmel-compatible DFU (device firmware update) software on your computer to reflash the target.

4. Hardware damage to the board, AVR(s), or FTDI chip

   • You're hosed; need a new chip.

Check this forum post for some more ideas.

Used the Accepted Answer to do a check for IE and convert the dataURI to UInt8Array; an accepted form by PDFJS

        Ext.isIE ? pdfAsDataUri = me.convertDataURIToBinary(pdfAsDataUri): '';_x000D_
_x000D_
        convertDataURIToBinary: function(dataURI) {_x000D_
          var BASE64_MARKER = ';base64,',_x000D_
            base64Index = dataURI.indexOf(BASE64_MARKER) + BASE64_MARKER.length,_x000D_
            base64 = dataURI.substring(base64Index),_x000D_
            raw = window.atob(base64),_x000D_
            rawLength = raw.length,_x000D_
            array = new Uint8Array(new ArrayBuffer(rawLength));_x000D_
_x000D_
          for (var i = 0; i < rawLength; i++) {_x000D_
            array[i] = raw.charCodeAt(i);_x000D_
          }_x000D_
          return array;_x000D_
        },

when you use lxml all simple:

tree = lxml.html.fromstring(html)
i_need_element = tree.xpath('//a[@class="shared-components"]/@href')

but when use BeautifulSoup BS4 all simple too:

• first remove "//" and "@"
• second - add star before "="

try this magic:

soup = BeautifulSoup(html, "lxml")
i_need_element = soup.select ('a[class*="shared-components"]')

as you see, this does not support sub-tag, so i remove "/@href" part

In C++ a class with at least one pure virtual function is called abstract class. You can not create objects of that class, but may only have pointers or references to it.

If you are deriving from an abstract class, then make sure you override and define all pure virtual functions for your class.

From your snippet Your class AliceUniversity seems to be an abstract class. It needs to override and define all the pure virtual functions of the classes Graduate and UniversityGraduate.

Pure virtual functions are the ones with = 0; at the end of declaration.

Example: virtual void doSomething() = 0;

For a specific answer, you will need to post the definition of the class for which you get the error and the classes from which that class is deriving.

I use the Apache commons HTTP Client package to do this in my current project and it works fine with SSL and a self-signed cert (after installing it into cacerts like you mentioned). Please take a look at it here:

http://hc.apache.org/httpclient-3.x/tutorial.html

http://hc.apache.org/httpclient-3.x/sslguide.html

If you want to snap particular running Windows app you’ll have to acquire a handle by looping over all open windows in your system.

It’s easier if you can open this app from Python script. Then you can convert process pid into window handle.

Another challenge is to snap the app that runs in particular monitor. I have 3 monitor system and I had to figure out how to snap display 2 and 3.

This example will take multiple application snapshots and save them into JPEG files.

import wx

print(wx.version())
app=wx.App()  # Need to create an App instance before doing anything
dc=wx.Display.GetCount()
print(dc)
#e(0)
displays = (wx.Display(i) for i in range(wx.Display.GetCount()))
sizes = [display.GetGeometry().GetSize() for display in displays]

for (i,s) in enumerate(sizes):
    print("Monitor{} size is {}".format(i,s))   
screen = wx.ScreenDC()
#pprint(dir(screen))
size = screen.GetSize()

print("Width = {}".format(size[0]))
print("Heigh = {}".format(size[1]))

width=size[0]
height=size[1]
x,y,w,h =putty_rect

bmp = wx.Bitmap(w,h)
mem = wx.MemoryDC(bmp)

for i in range(98):
    if 1:
        #1-st display:

        #pprint(putty_rect)
        #e(0)

        mem.Blit(-x,-y,w+x,h+y, screen, 0,0)

    if 0:
        #2-nd display:
        mem.Blit(0, 0, x,y, screen, width,0)
    #e(0)

    if 0:
        #3-rd display:
        mem.Blit(0, 0, width, height, screen, width*2,0)

    bmp.SaveFile(os.path.join(home,"image_%s.jpg" % i), wx.BITMAP_TYPE_JPEG)    
    print (i)
    sleep(0.2)
del mem

Details are here

The solutions already posted came with the sideffect, that the first .show() call did not animate the ActionBar for me. I got another nice solution, which fixed that:

Create a transparent drawable - something like that:

<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <solid
       android:color="#00000000" />
</shape>

Set the actual actionbar background to a invisible custom view which you set on the actionbar:

getSupportActionBar().setCustomView(R.layout.actionbar_custom_layout);
      getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
              ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_SHOW_TITLE);

Set the transparent background for the actionbar in onCreate:

getSupportActionBar().setBackgroundDrawable(getResources().getDrawable(R.drawable.background_transparent));

Imortant: Don't hide the actionbar immediately in onCreate, but with a little delay later - e.g. when the layout is finished with creation:

getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
                @Override
                public void onGlobalLayout() {
                    getSupportActionBar().hide();
                }
            });

Before your first .show() call set the custom view visible:

_actionbarRoot.setVisibility(View.VISIBLE);
getSupportActionBar().show();

You can use this Android Library: https://github.com/danielemaddaluno/Android-Update-Checker. It aims to provide a reusable instrument to check asynchronously if exists any newer released update of your app on the Store. It is based on the use of Jsoup (http://jsoup.org/) to test if a new update really exists parsing the app page on the Google Play Store:

private boolean web_update(){
    try {       
        String curVersion = applicationContext.getPackageManager().getPackageInfo(package_name, 0).versionName; 
        String newVersion = curVersion;
        newVersion = Jsoup.connect("https://play.google.com/store/apps/details?id=" + package_name + "&hl=en")
                .timeout(30000)
                .userAgent("Mozilla/5.0 (Windows; U; WindowsNT 5.1; en-US; rv1.8.1.6) Gecko/20070725 Firefox/2.0.0.6")
                .referrer("http://www.google.com")
                .get()
                .select("div[itemprop=softwareVersion]")
                .first()
                .ownText();
        return (value(curVersion) < value(newVersion)) ? true : false;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

And as "value" function the following (works if values are beetween 0-99):

private long value(String string) {
    string = string.trim();
    if( string.contains( "." )){ 
        final int index = string.lastIndexOf( "." );
        return value( string.substring( 0, index ))* 100 + value( string.substring( index + 1 )); 
    }
    else {
        return Long.valueOf( string ); 
    }
}

If you want only to verify a mismatch beetween versions, you can change:

value(curVersion) < value(newVersion) with value(curVersion) != value(newVersion)

Use the Number function toFixed and this function to add the commas.

function addCommas(nStr)
{
    nStr += '';
    var x = nStr.split('.');
    var x1 = x[0];
    var x2 = x.length > 1 ? '.' + x[1] : '';
    var rgx = /(\d+)(\d{3})/;
    while (rgx.test(x1)) {
        x1 = x1.replace(rgx, '$1' + ',' + '$2');
    }
    return x1 + x2;
}
n = 10000;
r = n.toFixed(2); //10000.00

addCommas(r); // 10,000.00

http://www.mredkj.com/javascript/numberFormat.html

If you don't have any kind of interesting log in your terminal (or they are not directly related to your app), maybe your problem is due to a native library. In that case, you should check for the "tombstone" files within your terminal.

The default location for the tombstone files depends on every device, but if that's the case, you will have a log telling: Tombstone written to: /data/tombstones/tombstone_06

For more information, check on https://source.android.com/devices/tech/debug.

Try this python obfuscator:

pyob.oxyry.com pyob.oxyry.c

__all__ = ['foo']

a = 'a'
_b = 'b'

def foo():
    print(a)

def bar():
    print(_b)

def _baz():
    print(a + _b)

foo()
bar()
_baz()

will translated to

__all__ =['foo']#line:1
OO00OO0OO0O00O0OO ='a'#line:3
_O00OO0000OO0O0O0O ='b'#line:4
def foo ():#line:6
    print (OO00OO0OO0O00O0OO )#line:7
def O0000000OOOO00OO0 ():#line:9
    print (_O00OO0000OO0O0O0O )#line:10
def _OOO00000O000O0OOO ():#line:12
    print (OO00OO0OO0O00O0OO +_O00OO0000OO0O0O0O )#line:13
foo ()#line:15
O0000000OOOO00OO0 ()#line:16
_OOO00000O000O0OOO ()#line:17

I think that more accurate is this syntax:

SELECT CONVERT(CHAR(10), GETDATE(), 103)

I add SELECT and GETDATE() for instant testing purposes :)

if its something you wish to switch, fading one out and fading another in the same place, you can place a {position:absolute} attribute on the divs, so both the animations play on top of one another, and you don't have to wait for one animation to be over before starting up the next.

Use the Oracle documentation and search for keyword "trigger" in your browser.

This approach should work with other metadata type questions.

It seemed quite hard to find this information, but eventually, I came across this question
You have to look at the 'System' event log, and filter by the WAS source.
Here is more info about the WAS (Windows Process Activation Service)

You can do this by using a content provider. Each data item used in the application remains private to the application. If an application want to share data accross applications, there is only technique to achieve this, using a content provider, which provides interface to access that private data.

You can also use css rules:

position: fixed ; and top: 0px ;

on your menu tag.

I've used Sothink SWF decompiler a couple of times, the only problem is that as project gets more complex, the output of decompiler gets harder to compile back again. But it ensures that you can get your .as files most of the time, compilable fla is a question.

Sothink SWF Decompiler

Should the benchmark measure time/iteration or iterations/time, and why?

It depends on what you are trying to test.

If you are interested in latency, use time/iteration and if you are interested in throughput, use iterations/time.

You can try to get index or position of list or array first, then use for loop to assign current array to a temp list, filter out unwanted item and store wanted item back to original array

removeItem(index) {
    var tempList = this.uploadFile;
    this.uploadFile = [];

    for (var j = 0; j < tempList.length; j++) {
      if (j != index)
        this.uploadFile.push(tempList[j]);
    }
  }

Give a class .border-lb and give this CSS

.border-lb {border: 1px solid #ccc; border-width: 0 0 1px 1px;}

And the HTML

<table width="770">
  <tr>
    <td class="border-lb">picture (border only to the left and bottom ) </td>
    <td>text</td>
  </tr>
  <tr>
    <td>text</td>
    <td class="border-lb">picture (border only to the left and bottom) </td>
  </tr>
</table>

Screenshot

Fiddle: http://jsfiddle.net/FXMVL/

Use below command to change computer hostname remotely , Require system reboot after change..

psexec.exe -h -e \\\IPADDRESS -u USERNAME -p PASSWORD netdom renamecomputer CurrentComputerName /newname:NewComputerName /force

You can use ng-repeat with option like this:

<form>
    <select ng-model="yourSelect" 
        ng-options="option as option for option in ['var1', 'var2', 'var3']"
        ng-init="yourSelect='var1'"></select>
    <input type="hidden" name="yourSelect" value="{{yourSelect}}" />
</form>

When you submit your form you can get value of input hidden.

DEMO

ng-selected ng-repeat

This is working as documented. Any paths specified in PYTHONPATH are documented as normally coming after the working directory but before the standard interpreter-supplied paths. sys.path.append() appends to the existing path. See here and here. If you want a particular directory to come first, simply insert it at the head of sys.path:

import sys
sys.path.insert(0,'/path/to/mod_directory')

That said, there are usually better ways to manage imports than either using PYTHONPATH or manipulating sys.path directly. See, for example, the answers to this question.

No need for jQuery.

JavaScript arrays have a find method, so you can achieve that in one line:

array.find((o) => { return o[propertyName] === propertyValue }

Example

const purposeObjects = [
    {purpose: "daily"},
    {purpose: "weekly"},
    {purpose: "monthly"}
];

purposeObjects.find((o) => { return o["purpose"] === "weekly" }

// output -> {purpose: "weekly"}

If you need IE compatibility, import this polyfill in your code.

This code work in my mysql db:

ALTER TABLE `goods`
ADD COLUMN `id` INT NOT NULL AUTO_INCREMENT,
ADD PRIMARY KEY (`id`);

I modified the code of william with a output comments for better understandable

   static void changeStr(String in) { 
      in = in+" changed";
      System.out.println("fun:"+in); //value changed 
    }
    static void changeStrBuf(StringBuffer in) {
      in.append(" changed");   //value changed
    }

    public static void main(String[] args) {
       StringBuffer sb = new StringBuffer("value");
       String str = "value";
       changeStrBuf(sb);
       changeStr(str);
       System.out.println("StringBuffer: "+sb); //value changed
       System.out.println("String: "+str);       // value 
    }

In above code , look at the value of str in both main() and changeStr() , even though u r changing the value of str in changeStr() it is affecting only to that function but in the main function the value is not changed , but it not in the case of StringBuffer..

In StringBuffer changed value is affected as a global..

hence String is immutable and StringBuffer is mutable...

In Simple , whatever u changed to String Object will affecting only to that function By going to String Pool. but not Changed...

There are 2 techniques which can come in handy for this common scenario. Each have their drawbacks but can both be useful at times.

box-sizing: border-box includes padding and border width in the width of an item. For example, if you set the width of a div with 20px 20px padding and 1px border to 100px, the actual width would be 142px but with border-box, both padding and margin are inside the 100px.

.bb{
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;     
    width: 100%;
    height:200px;
    padding: 50px;
}

Here's an excellent article on it: http://css-tricks.com/box-sizing/ and here's a fiddle http://jsfiddle.net/L3Rvw/

And then there's position: absolute

.padded{
    position: absolute;
    top: 50px;
    right: 50px;
    left: 50px;
    bottom: 50px;
    background-color: #aefebc;
}

http://jsfiddle.net/Mw9CT/1/

Neither are perfect of course, box-sizing doesn't exactly fit the question as the element is actually 100% width, rather than 100% - 100px (however a child div would be). And absolute positioning definitely can't be used in every situation, but is usually okay as long as the parent height is set.

LandingScreenViewController *nextView=[self.storyboard instantiateViewControllerWithIdentifier:@"nextView"];
[self presentViewController:nextView animated:YES completion:^{}];

As of R 3.3.0, one may use startsWith() as a faster alternative to grepl():

which(startsWith(mydata_2$height_seca1, 1578))

I had a hard time finding where it is so here the image depicting it in 2019.

Post data to backend using retrofit

 implementation 'com.squareup.retrofit2:retrofit:2.8.1'
 implementation 'com.squareup.retrofit2:converter-gson:2.8.1'
 implementation 'com.google.code.gson:gson:2.8.6'
 implementation 'com.squareup.okhttp3:logging-interceptor:4.5.0'

public interface UserService {
  @POST("users/")
  Call<UserResponse> userRegistration(@Body UserRegistration 
    userRegistration);
}



public class ApiClient {

    private static Retrofit getRetrofit(){
        HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor();
        httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

        OkHttpClient okHttpClient = new OkHttpClient
                .Builder()
                .addInterceptor(httpLoggingInterceptor)
                .build();

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("http://api.larntech.net/")
                .addConverterFactory(GsonConverterFactory.create())
                .client(okHttpClient)
                .build();



        return retrofit;

    }


    public static UserService getService(){
        UserService userService = getRetrofit().create(UserService.class);
        return userService;
    }

}

If you are using EntityFrameworkCore you can do the following in your controller post action (The Attach method recursively attaches navigation properties including collections):

_context.Attach(modelPostedToController);

IEnumerable<EntityEntry> unchangedEntities = _context.ChangeTracker.Entries().Where(x => x.State == EntityState.Unchanged);

foreach(EntityEntry ee in unchangedEntities){
     ee.State = EntityState.Modified;
}

await _context.SaveChangesAsync();

It is assumed that each entity that was updated has all properties set and provided in the post data from the client (eg. won't work for partial update of an entity).

You also need to make sure that you are using a new/dedicated entity framework database context for this operation.

To know the actual date format, insert a record by using sysdate. That way you can find the actual date format. for example

insert into emp values(7936, 'Mac', 'clerk', 7782, sysdate, 1300, 300, 10);

now, select the inserted record.

select ename, hiredate from emp where ename='Mac';

the result is

ENAME   HIREDATE
Mac     06-JAN-13

voila, now your actual date format is found.

bash 5.1 introduces a new variable, SRANDOM, which gets its random data from the system's entropy engine and so is not linear and cannot be reseeded to get an identical random sequence. This variable can be used as a substitute for RANDOM for generating more random numbers.

$ echo $((1 + SRANDOM % 10))
4

try this, calling the activity in the constructor

public class WebService {
private Activity activity;

        public WebService(Activity _activity){
            activity=_activity;
            helper=new Helper(activity);

        }
}

This might depend on how much you want to engineer the solution - if the array is never going to be that big and you don't care about sorting the list you might want to try something similar to the following:

    public string[] RemoveDuplicates(string[] myList) {
        System.Collections.ArrayList newList = new System.Collections.ArrayList();

        foreach (string str in myList)
            if (!newList.Contains(str))
                newList.Add(str);
        return (string[])newList.ToArray(typeof(string));
    }

The "cd" command changes the directory, but not what drive you are working with. So when you go "cd d:\temp", you are changing the D drive's directory to temp, but staying in the C drive.

Execute these two commands:

D:
cd temp

That will get you the results you want.

For Python3+ URLopener is deprecated. And when used you will get error as below:

url_opener = urllib.URLopener() AttributeError: module 'urllib' has no attribute 'URLopener'

So, try:

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

I'd rather not turn an integer into a string, so here's the function I use for this:

def digitize(n, base=10):
    if n == 0:
        yield 0
    while n:
        n, d = divmod(n, base)
        yield d

Examples:

tuple(digitize(123456789)) == (9, 8, 7, 6, 5, 4, 3, 2, 1)
tuple(digitize(0b1101110, 2)) == (0, 1, 1, 1, 0, 1, 1)
tuple(digitize(0x123456789ABCDEF, 16)) == (15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)

As you can see, this will yield digits from right to left. If you'd like the digits from left to right, you'll need to create a sequence out of it, then reverse it:

reversed(tuple(digitize(x)))

You can also use this function for base conversion as you split the integer. The following example splits a hexadecimal number into binary nibbles as tuples:

import itertools as it
tuple(it.zip_longest(*[digitize(0x123456789ABCDEF, 2)]*4, fillvalue=0)) == ((1, 1, 1, 1), (0, 1, 1, 1), (1, 0, 1, 1), (0, 0, 1, 1), (1, 1, 0, 1), (0, 1, 0, 1), (1, 0, 0, 1), (0, 0, 0, 1), (1, 1, 1, 0), (0, 1, 1, 0), (1, 0, 1, 0), (0, 0, 1, 0), (1, 1, 0, 0), (0, 1, 0, 0), (1, 0, 0, 0))

Note that this method doesn't handle decimals, but could be adapted to.

Try avoiding unnecessary loops and go for this if needed.

string SearchByColumn = "ColumnName=" + value;
DataRow[] hasRows = currentDataTable.Select(SearchByColumn);
if (hasRows.Length == 0)
{
    //your logic goes here
}
else
{
    //your logic goes here
}

If you want to search by specific ID then there should be a primary key in a table.

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

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

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

    return temp;    
}

1. insert is not a recommended way - it is one of the ways to insert into map. The difference with operator[] is that the insert can tell whether the element is inserted into the map. Also, if your class has no default constructor, you are forced to use insert.
2. operator[] needs the default constructor because the map checks if the element exists. If it doesn't then it creates one using default constructor and returns a reference (or const reference to it).

Because map containers do not allow for duplicate key values, the insertion operation checks for each element inserted whether another element exists already in the container with the same key value, if so, the element is not inserted and its mapped value is not changed in any way.

Here is my experience and Solution. I didn't touched code

1. Select view (UILabel, UIImage etc)
2. Editor > Pin > (Select...) to Superview
3. Editor > Resolve Auto Layout Issues > Add Missing Constraints

I didn't know, but found the question interesting. So I dug in the android code... Thanks open-source :)

The screen you show is DateTimeSettings. The checkbox "Use network-provided values" is associated to the shared preference String KEY_AUTO_TIME = "auto_time"; and also to Settings.System.AUTO_TIME

This settings is observed by an observed called mAutoTimeObserver in the 2 network ServiceStateTrackers: GsmServiceStateTracker and CdmaServiceStateTracker.

Both implementations call a method called revertToNitz() when the settings becomes true. Apparently NITZ is the equivalent of NTP in the carrier world.

Bottom line: You can set the time to the value provided by the carrier thanks to revertToNitz(). Unfortunately, I haven't found a mechanism to get the network time. If you really need to do this, I'm afraid, you'll have to copy these ServiceStateTrackers implementations, catch the intent raised by the framework (I suppose), and add a getter to mSavedTime.

You can use the Logical NOT ! operator:

if (!$(this).parent().next().is('ul')){

Or equivalently (see comments below):

if (! ($(this).parent().next().is('ul'))){

For more information, see the Logical Operators section of the MDN docs.

Even more concise if you are on python 2.7:

>>> t = ((1,'a'),(2,'b'))
>>> {y:x for x,y in t}
{'a':1, 'b':2}

Reading the friendly manual? Who'd want to do that?

start = Time.now
largest_known_fixnum = 1
smallest_known_bignum = nil

until smallest_known_bignum == largest_known_fixnum + 1
  if smallest_known_bignum.nil?
    next_number_to_try = largest_known_fixnum * 1000
  else
    next_number_to_try = (smallest_known_bignum + largest_known_fixnum) / 2 # Geometric mean would be more efficient, but more risky
  end

  if next_number_to_try <= largest_known_fixnum ||
       smallest_known_bignum && next_number_to_try >= smallest_known_bignum
    raise "Can't happen case" 
  end

  case next_number_to_try
    when Bignum then smallest_known_bignum = next_number_to_try
    when Fixnum then largest_known_fixnum = next_number_to_try
    else raise "Can't happen case"
  end
end

finish = Time.now
puts "The largest fixnum is #{largest_known_fixnum}"
puts "The smallest bignum is #{smallest_known_bignum}"
puts "Calculation took #{finish - start} seconds"

I had the same issue, and I have solved it by changing my net connection. In fact, my last internet connection was too slow (45 kbit/s). So you should try again with a faster net connection.

In my case, where the timezones are not available on the server, this works great:

SELECT CONVERT_TZ(`date_field`,'+00:00',@@global.time_zone) FROM `table`

Note: global.time_zone uses the server timezone. You have to make sure, that it has the desired timezone!

Maybe not the fastest, but certainly pretty readable:

function findLongestWord(array) {
  var longestWord = "";

  array.forEach(function(word) {
    if(word.length > longestWord.length) {
      longestWord = word;
    }
  });

  return longestWord;
}

var word = findLongestWord(["The","quick","brown", "fox", "jumped", "over", "the", "lazy", "dog"]);
console.log(word); // result is "jumped"

The array function forEach has been supported since IE9+.

You can specify the whole day by doing a range, like so:

WHERE bk_date >= TO_DATE('2012-03-18', 'YYYY-MM-DD')
AND bk_date <  TO_DATE('2012-03-19', 'YYYY-MM-DD')

More simply you can use TRUNC:

WHERE TRUNC(bk_date) = TO_DATE('2012-03-18', 'YYYY-MM-DD')

TRUNC without parameter removes hours, minutes and seconds from a DATE.

For the first case you propose you can use: '[[:blank:]]+[A-Z0-9]+[[:blank:]]+', for example:

echo "The thing P1 must connect to the J236 thing in the Foo position" | grep -oE '[[:blank:]]+[A-Z0-9]+[[:blank:]]+'

In the second case maybe you need to use something else and not a regex, maybe a script with a dictionary of technical words...

Cheers, Fernando

The bit shift operators are more efficient as compared to the / or * operators.

In computer architecture, divide(/) or multiply(*) take more than one time unit and register to compute result, while, bit shift operator, is just one one register and one time unit computation.

You can able to download Xcode DMG file from the

Apple Developer portal

Xcode 9.4 Beta

Xcode 9.3

For myself, I would assume unsigned int is platform specific. Integer could be 8 bits, 16 bits, 32 bits or even 64 bits.

DWORD in the other hand, specifies its own size, which is Double Word. Word are 16 bits so DWORD will be known as 32 bit across all platform

You'll need the cookie plugin, which provides several additional signatures to the cookie function.

$.cookie('cookie_name', 'cookie_value') stores a transient cookie (only exists within this session's scope, while $.cookie('cookie_name', 'cookie_value', 'cookie_expiration") creates a cookie that will last across sessions - see http://www.stilbuero.de/2006/09/17/cookie-plugin-for-jquery/ for more information on the JQuery cookie plugin.

If you want to set cookies that are used for the entire site, you'll need to use JavaScript like this:

document.cookie = "name=value; expires=date; domain=domain; path=path; secure"

The problem you are having is the query command is taking too long. I believe that the default timeout for a query to execute is 15 seconds. You need to set the CommandTimeout (in seconds) so that it is long enough for the command to complete its execution. The "CommandTimeout" is different than the "Connection Timeout" in your connection string and must be set for each command.

In your sql Selecting Event, use the command:

e.Command.CommandTimeout = 60

for example:

Protected Sub SqlDataSource1_Selecting(sender As Object, e As System.Web.UI.WebControls.SqlDataSourceSelectingEventArgs)
    e.Command.CommandTimeout = 60
End Sub

In a word - speed. An index for up to a million rows fits in a 32-bit word, so it can be used efficiently on 32-bit processors. Function arguments that fit in a CPU register are extremely efficient, while ones that are larger require accessing memory on each function call, a far slower operation. Updating a spreadsheet can be an intensive operation involving many cell references, so speed is important. Besides, the Excel team expects that anyone dealing with more than a million rows will be using a database rather than a spreadsheet.

haml is a good choice for node.js

http://github.com/creationix/haml-js

haml-js

!!! XML
!!! strict
%html{ xmlns: "http://www.w3.org/1999/xhtml" }
  %head
    %title Sample haml template
  %body
    .profile
      .left.column
        #date= print_date()
        #address= current_user.address
      .right.column
        #email= current_user.email
        #bio= current_user.bio

html

<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Sample haml template
</title></head><body><div class="profile"><div class="left column"><div id="date">January 1, 2009
</div><div id="address">Richardson, TX
</div></div><div class="right column"><div id="email">[email protected]
</div><div id="bio">Experienced software professional...
</div></div></div></body></html>

Try deleting Bolts.framework from linked framework and re-add it. Also, in your Framework Search Path keep path until Bolts.framework like $(PROJECT_DIR)/Bolts if it is inside Bolts folder at your project directory path.

yes, we can declare an abstract class without any abstract method. the purpose of declaring a class as abstract is not to instantiate the class.

so two cases

1) abstract class with abstract methods.

these type of classes, we must inherit a class from this abstract class and must override the abstract methods in our class, ex: GenricServlet class

2) abstract class without abstract methods.

these type of classes, we must inherit a class from this abstract class, ex: HttpServlet class purpose of doing is although you if you don't implement your logic in child class you can get the parent logic

please check the HttpServlet source code

In server.js, please include

var express = require("express");
var app     = express();
var path    = require("path");


app.get('/',function(req,res){
  res.sendFile(path.join(__dirname+'/index.html'));
  //__dirname : It will resolve to your project folder.
});

The SQL you need is:

Update table set table_column = "test";

The SQL you posted creates a new row rather than updating existing rows.

To get both stdout and stderr, I use:

Function GetProgramOutput([string]$exe, [string]$arguments)
{
    $process = New-Object -TypeName System.Diagnostics.Process
    $process.StartInfo.FileName = $exe
    $process.StartInfo.Arguments = $arguments

    $process.StartInfo.UseShellExecute = $false
    $process.StartInfo.RedirectStandardOutput = $true
    $process.StartInfo.RedirectStandardError = $true
    $process.Start()

    $output = $process.StandardOutput.ReadToEnd()   
    $err = $process.StandardError.ReadToEnd()

    $process.WaitForExit()

    $output
    $err
}

$exe = "cmd"
$arguments = '/c echo hello 1>&2'   #this writes 'hello' to stderr

$runResult = (GetProgramOutput $exe $arguments)
$stdout = $runResult[-2]
$stderr = $runResult[-1]

[System.Console]::WriteLine("Standard out: " + $stdout)
[System.Console]::WriteLine("Standard error: " + $stderr)

0 is, by definition, a magic number. EXIT_SUCCESS is almost universally equal to 0, happily enough. So why not just return/exit 0?

exit(EXIT_SUCCESS); is abundantly clear in meaning.

exit(0); on the other hand, is counterintuitive in some ways. Someone not familiar with shell behavior might assume that 0 == false == bad, just like every other usage of 0 in C. But no - in this one special case, 0 == success == good. For most experienced devs, not going to be a problem. But why trip up the new guy for absolutely no reason?

tl;dr - if there's a defined constant for your magic number, there's almost never a reason not to used the constant in the first place. It's more searchable, often clearer, etc. and it doesn't cost you anything.

As suggested by A Star, I always use something along the lines of:

DATE(NOW()) - INTERVAL 1 MONTH

Similarly you can do:

NOW() + INTERVAL 5 MINUTE
"2013-01-01 00:00:00" + INTERVAL 10 DAY

and so on. Much easier than typing DATE_ADD or DATE_SUB all the time :)!

set -e stops the execution of a script if a command or pipeline has an error - which is the opposite of the default shell behaviour, which is to ignore errors in scripts. Type help set in a terminal to see the documentation for this built-in command.

This function works in any OS (Unix, Linux, macOS, and Windows)
Python 2 and Python 3

EDITS:
By @radato os.system was replaced by subprocess.call. This avoids shell injection vulnerability in cases where your hostname string might not be validated.

import platform    # For getting the operating system name
import subprocess  # For executing a shell command

def ping(host):
    """
    Returns True if host (str) responds to a ping request.
    Remember that a host may not respond to a ping (ICMP) request even if the host name is valid.
    """

    # Option for the number of packets as a function of
    param = '-n' if platform.system().lower()=='windows' else '-c'

    # Building the command. Ex: "ping -c 1 google.com"
    command = ['ping', param, '1', host]

    return subprocess.call(command) == 0

Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.

Explanation

The command is ping in both Windows and Unix-like systems.
The option -n (Windows) or -c (Unix) controls the number of packets which in this example was set to 1.

platform.system() returns the platform name. Ex. 'Darwin' on macOS.
subprocess.call() performs a system call. Ex. subprocess.call(['ls','-l']).

You cannot compare date-strings. It is good habit to use PHP's DateTime object instead:

$paymentDate = new DateTime(); // Today
echo $paymentDate->format('d/m/Y'); // echos today! 
$contractDateBegin = new DateTime('2001-01-01');
$contractDateEnd  = new DateTime('2015-01-01');

if (
  $paymentDate->getTimestamp() > $contractDateBegin->getTimestamp() && 
  $paymentDate->getTimestamp() < $contractDateEnd->getTimestamp()){
  echo "is between";
}else{
   echo "NO GO!";  
}

difference between Primary Key and Unique Key

Both Primary key and Unique Key are used to uniquely define of a row in a table. Primary Key creates a clustered index of the column whereas a Unique creates an unclustered index of the column.

A Primary Key doesn’t allow NULL value, however a Unique Key does allow one NULL value.

The code below gives the HEX and RGB value of the range whether formatted using conditional formatting or otherwise. If the range is not formatted using Conditional Formatting and you intend to use iColor function in the Excel as UDF. It won't work. Read the below excerpt from MSDN.

Note that the DisplayFormat property does not work in user defined functions. For example, in a worksheet function that returns the interior color of a cell, if you use a line similar to:

Range.DisplayFormat.Interior.ColorIndex

then the worksheet function executes to return a #VALUE! error. If you are not finding color of the conditionally formatted range, then I encourage you to rather use

Range.Interior.ColorIndex

as then the function can also be used as UDF in Excel. Such as iColor(B1,"HEX")

Public Function iColor(rng As Range, Optional formatType As String) As Variant
'formatType: Hex for #RRGGBB, RGB for (R, G, B) and IDX for VBA Color Index
    Dim colorVal As Variant
    colorVal = rng.DisplayFormat.Interior.Color
    Select Case UCase(formatType)
        Case "HEX"
            iColor = "#" & Format(Hex(colorVal Mod 256),"00") & _
                           Format(Hex((colorVal \ 256) Mod 256),"00") & _
                           Format(Hex((colorVal \ 65536)),"00")
        Case "RGB"
            iColor = Format((colorVal Mod 256),"00") & ", " & _
                     Format(((colorVal \ 256) Mod 256),"00") & ", " & _
                     Format((colorVal \ 65536),"00")
        Case "IDX"
            iColor = rng.Interior.ColorIndex
        Case Else
            iColor = colorVal
    End Select
End Function

'Example use of the iColor function
Sub Get_Color_Format()
    Dim rng As Range

    For Each rng In Selection.Cells
        rng.Offset(0, 1).Value = iColor(rng, "HEX")
        rng.Offset(0, 2).Value = iColor(rng, "RGB")
    Next
End Sub

Just u can use with using System.Linq;

List<string> stringList = line.Split(',')     // this is array
 .ToList();     // this is a list which you can loop in all split string

In my case the

 Error loading [https://.../token?wsdl]: java.lang.Exception: Failed to load url; https://.../token?wsdl, 0 

was caused by fake certificate. If you get the following in browser

"There is a problem with this website’s security certificate." 

this is the case.

The resolution was to import a certificate to

 C:\Program Files (x86)\SmartBear\SoapUI-5.0.0\jre\lib\security\cacerts 

Which is default java used by SOAPUI

You can't: It's a security feature in all modern browsers.

For IE8, it's off by default, but can be reactivated using a security setting:

When a file is selected by using the input type=file object, the value of the value property depends on the value of the "Include local directory path when uploading files to a server" security setting for the security zone used to display the Web page containing the input object.

The fully qualified filename of the selected file is returned only when this setting is enabled. When the setting is disabled, Internet Explorer 8 replaces the local drive and directory path with the string C:\fakepath\ in order to prevent inappropriate information disclosure.

In all other current mainstream browsers I know of, it is also turned off. The file name is the best you can get.

More detailed info and good links in this question. It refers to getting the value server-side, but the issue is the same in JavaScript before the form's submission.

From youMightNotNeedJquery.com + JSON.stringify

var request = new XMLHttpRequest();
request.open('POST', '/my/url', true);
request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
request.send(JSON.stringify(data));

PHP, by default, always returns the following header: "Content-Type: text/html" (notice no charset), therefore you must use

<?php header('Content-type: text/plain; charset=utf-8'); ?>

You might find the draft international standard for C++0x useful.

Putting plot.tight_layout() after all changes on the graph, just before show() or savefig() will solve the problem.

I found this blog post very helpful, Its using loopJ to download file, it has only one Simple function, will be helpful to some new android guys.

If you are on python 3.3 or above then it already has a built-in function for computing log2(x)

import math
'finds log base2 of x'
answer = math.log2(x)

If you are on older version of python then you can do like this

import math
'finds log base2 of x'
answer = math.log(x)/math.log(2)

Have you tried it?

If you do:

var HI = 'Hello World';

In global.js. And then do:

alert(HI);

In js1.js it will alert it fine. You just have to include global.js prior to the rest in the HTML document.

The only catch is that you have to declare it in the window's scope (not inside any functions).

You could just nix the var part and create them that way, but it's not good practice.

while not condition1 or not condition2 or val == -1:

But there was nothing wrong with your original of using an if inside of a while True.

Easy! Just use jQuery's click function:

$("#theElement").click();

I feel we had a related discussion earlier: How to upload preview image before upload through JavaScript

I have a solution which is not specified here

z = {}
z.update(x) or z.update(y)

This will not update x as well as y. Performance? I don't think it will be terribly slow.

PID and lockfiles are definitely the most reliable. When you attempt to run the program, it can check for the lockfile which and if it exists, it can use ps to see if the process is still running. If it's not, the script can start, updating the PID in the lockfile to its own.

Regarding the comment of Andrew Mairose - Although a fine solution, I would just like to add that this solution will not work on fixed size lists.

You could attempt doing like so:

Arrays.asList(new String[]{"a", "b", null, "c", "    "})
    .removeIf(item -> item == null || "".equals(item));

But you'll encounter an UnsupportedOperationException at java.util.AbstractList.remove(since asList returns a non-resizable List).

A different solution might be this:

List<String> collect =
    Stream.of(new String[]{"a", "b", "c", null, ""})
        .filter(item -> item != null && !"".equals(item))
        .collect(Collectors.toList());

Which will produce a nice list of strings :-)

There's no built-in option to make the json module functions return byte strings instead of unicode strings. However, this short and simple recursive function will convert any decoded JSON object from using unicode strings to UTF-8-encoded byte strings:

def byteify(input):
    if isinstance(input, dict):
        return {byteify(key): byteify(value)
                for key, value in input.iteritems()}
    elif isinstance(input, list):
        return [byteify(element) for element in input]
    elif isinstance(input, unicode):
        return input.encode('utf-8')
    else:
        return input

Just call this on the output you get from a json.load or json.loads call.

A couple of notes:

• To support Python 2.6 or earlier, replace return {byteify(key): byteify(value) for key, value in input.iteritems()} with return dict([(byteify(key), byteify(value)) for key, value in input.iteritems()]), since dictionary comprehensions weren't supported until Python 2.7.
• Since this answer recurses through the entire decoded object, it has a couple of undesirable performance characteristics that can be avoided with very careful use of the object_hook or object_pairs_hook parameters. Mirec Miskuf's answer is so far the only one that manages to pull this off correctly, although as a consequence, it's significantly more complicated than my approach.

If you need to do it manually, one time:

First, merge in a temporary table, with something like:

create table MERGED as select * from table 1 UNION select * from table 2

Then, identify the primary key constraints with something like

SELECT COUNT(*), PK from MERGED GROUP BY PK HAVING COUNT(*) > 1

Where PK is the primary key field...

Solve the duplicates.

Rename the table.

[edited - removed brackets in the UNION query, which was causing the error in the comment below]

Needed background on concurrency approaches:

Different web servers implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple models for handling requests, one of which (called the worker MPM) uses threads. But it supports another concurrency model called the prefork MPM which uses processes -- that is, the web server will create/dedicate a single process for each request.

There are also other completely different concurrency models (using Asynchronous sockets and I/O), as well as ones that mix two or even three models together. For the purpose of answering this question, we are only concerned with the two models above, and taking Apache HTTP server as an example.

Needed background on how PHP "integrates" with web servers:

PHP itself does not respond to the actual HTTP requests -- this is the job of the web server. So we configure the web server to forward requests to PHP for processing, then receive the result and send it back to the user. There are multiple ways to chain the web server with PHP. For Apache HTTP Server, the most popular is "mod_php". This module is actually PHP itself, but compiled as a module for the web server, and so it gets loaded right inside it.

There are other methods for chaining PHP with Apache and other web servers, but mod_php is the most popular one and will also serve for answering your question.

You may not have needed to understand these details before, because hosting companies and GNU/Linux distros come with everything prepared for us.

Now, onto your question!

Since with mod_php, PHP gets loaded right into Apache, if Apache is going to handle concurrency using its Worker MPM (that is, using Threads) then PHP must be able to operate within this same multi-threaded environment -- meaning, PHP has to be thread-safe to be able to play ball correctly with Apache!

At this point, you should be thinking "OK, so if I'm using a multi-threaded web server and I'm going to embed PHP right into it, then I must use the thread-safe version of PHP". And this would be correct thinking. However, as it happens, PHP's thread-safety is highly disputed. It's a use-if-you-really-really-know-what-you-are-doing ground.

Final notes

In case you are wondering, my personal advice would be to not use PHP in a multi-threaded environment if you have the choice!

Speaking only of Unix-based environments, I'd say that fortunately, you only have to think of this if you are going to use PHP with Apache web server, in which case you are advised to go with the prefork MPM of Apache (which doesn't use threads, and therefore, PHP thread-safety doesn't matter) and all GNU/Linux distributions that I know of will take that decision for you when you are installing Apache + PHP through their package system, without even prompting you for a choice. If you are going to use other webservers such as nginx or lighttpd, you won't have the option to embed PHP into them anyway. You will be looking at using FastCGI or something equal which works in a different model where PHP is totally outside of the web server with multiple PHP processes used for answering requests through e.g. FastCGI. For such cases, thread-safety also doesn't matter. To see which version your website is using put a file containing <?php phpinfo(); ?> on your site and look for the Server API entry. This could say something like CGI/FastCGI or Apache 2.0 Handler.

If you also look at the command-line version of PHP -- thread safety does not matter.

Finally, if thread-safety doesn't matter so which version should you use -- the thread-safe or the non-thread-safe? Frankly, I don't have a scientific answer! But I'd guess that the non-thread-safe version is faster and/or less buggy, or otherwise they would have just offered the thread-safe version and not bothered to give us the choice!

The requests module may ease your pain.

url = 'http://myserver/post_service'
data = dict(name='joe', age='10')

r = requests.post(url, data=data, allow_redirects=True)
print r.content

I was having a similar problem. I was not using the ACL stuff, so I didn't need s3:PutObjectAcl.

In my case, I was doing (in Serverless Framework YML):

- Effect: Allow
  Action:
    - s3:PutObject
  Resource: "arn:aws:s3:::MyBucketName"

Instead of:

- Effect: Allow
  Action:
    - s3:PutObject
  Resource: "arn:aws:s3:::MyBucketName/*"

Which adds a /* to the end of the bucket ARN.

Hope this helps.

some_instance.attributes

Source: blog

There is also strptime() which expects exactly one format:

$a = strptime('22-09-2008', '%d-%m-%Y');
$timestamp = mktime(0, 0, 0, $a['tm_mon']+1, $a['tm_mday'], $a['tm_year']+1900);

• A leading slash tells the browser to start at the root directory.
• If you don't have the leading slash, you're referencing from the current directory.
• If you add two dots before the leading slash, it means you're referencing the parent of the current directory.

Take the following folder structure

notice:

• the ROOT checkmark is green,
• the second checkmark is orange,
• the third checkmark is purple,
• the forth checkmark is yellow

Now in the index.html.en file you'll want to put the following markup

<p>
    <span>src="check_mark.png"</span>
    <img src="check_mark.png" />
    <span>I'm purple because I'm referenced from this current directory</span>
</p>

<p>
    <span>src="/check_mark.png"</span>
    <img src="/check_mark.png" />
    <span>I'm green because I'm referenced from the ROOT directory</span>
</p>

<p>
    <span>src="subfolder/check_mark.png"</span>
    <img src="subfolder/check_mark.png" />
    <span>I'm yellow because I'm referenced from the child of this current directory</span>
</p>

<p>
    <span>src="/subfolder/check_mark.png"</span>
    <img src="/subfolder/check_mark.png" />
    <span>I'm orange because I'm referenced from the child of the ROOT directory</span>
</p>

<p>
    <span>src="../subfolder/check_mark.png"</span>
    <img src="../subfolder/check_mark.png" />
    <span>I'm purple because I'm referenced from the parent of this current directory</span>
</p>

<p>
    <span>src="subfolder/subfolder/check_mark.png"</span>
    <img src="subfolder/subfolder/check_mark.png" />
    <span>I'm [broken] because there is no subfolder two children down from this current directory</span>
</p>

<p>
    <span>src="/subfolder/subfolder/check_mark.png"</span>
    <img src="/subfolder/subfolder/check_mark.png" />
    <span>I'm purple because I'm referenced two children down from the ROOT directory</span>
</p>

Now if you load up the index.html.en file located in the second subfolder
http://example.com/subfolder/subfolder/

This will be your output

From VS2019 Project Properties - Advanced - Advanced Properties - Character Set

Also if there is _UNICODE;UNICODE Preprocessors Definitions remove them. Project Properties - C/C++ - Preprocessor - Preprocessor Definition

Semaphore can also be used as a ... semaphore. For example if you have multiple process enqueuing data to a queue, and only one task consuming data from the queue. If you don't want your consuming task to constantly poll the queue for available data, you can use semaphore.

Here the semaphore is not used as an exclusion mechanism, but as a signaling mechanism. The consuming task is waiting on the semaphore The producing task are posting on the semaphore.

This way the consuming task is running when and only when there is data to be dequeued

Here is the MooTools date picker

http://www.monkeyphysics.com/mootools/script/2/datepicker Example http://www.monkeyphysics.com/mootools/script/2/datepicker#examples

ECMAScript 6 introduced String.prototype.includes:

const string = "foo";_x000D_
const substring = "oo";_x000D_
_x000D_
console.log(string.includes(substring));

includes doesn’t have Internet Explorer support, though. In ECMAScript 5 or older environments, use String.prototype.indexOf, which returns -1 when a substring cannot be found:

var string = "foo";_x000D_
var substring = "oo";_x000D_
_x000D_
console.log(string.indexOf(substring) !== -1);

It will be something like:

R.drawable.resourcename

Make sure you don't have the Android.R namespace imported as it can confuse Eclipse (if that's what you're using).

If that doesn't work, you can always use a context's getResources method ...

Drawable resImg = this.context.getResources().getDrawable(R.drawable.resource);

Where this.context is intialised as an Activity, Service or any other Context subclass.

Update:

If it's the name you want, the Resources class (returned by getResources()) has a getResourceName(int) method, and a getResourceTypeName(int)?

Update 2:

The Resources class has this method:

public int getIdentifier (String name, String defType, String defPackage) 

Which returns the integer of the specified resource name, type & package.

Use HH for 24 hour hours format:

DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss")

Or the tt format specifier for the AM/PM part:

DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss tt")

Take a look at the custom Date and Time format strings documentation.

When you run a shell script, it's done in a sub-shell so it cannot affect the parent shell's environment. You want to source the script by doing:

. ./setfoo.sh

This executes it in the context of the current shell, not as a sub shell.

From the bash man page:

. filename [arguments]
source filename [arguments]

Read and execute commands from filename in the current shell environment and return the exit status of the last command executed from filename.

If filename does not contain a slash, file names in PATH are used to find the directory containing filename.

The file searched for in PATH need not be executable. When bash is not in POSIX mode, the current directory is searched if no file is found in PATH.

If the sourcepath option to the shopt builtin command is turned off, the PATH is not searched.

If any arguments are supplied, they become the positional parameters when filename is executed.

Otherwise the positional parameters are unchanged. The return status is the status of the last command exited within the script (0 if no commands are executed), and false if filename is not found or cannot be read.

Here are several prominent libraries that handle browser detection as of Dec 2019.

Bowser by lancedikson - 4,065?s - Last updated Oct 2, 2019 - 4.8KB

var result = bowser.getParser(window.navigator.userAgent);_x000D_
console.log(result);_x000D_
document.write("You are using " + result.parsedResult.browser.name +_x000D_
               " v" + result.parsedResult.browser.version + _x000D_
               " on " + result.parsedResult.os.name);

<script src="https://unpkg.com/[email protected]/es5.js"></script>

*supports Edge based on Chromium

Platform.js by bestiejs - 2,550?s - Last updated Apr 14, 2019 - 5.9KB

console.log(platform);_x000D_
document.write("You are using " + platform.name +_x000D_
               " v" + platform.version + _x000D_
               " on " + platform.os);

<script src="https://cdnjs.cloudflare.com/ajax/libs/platform/1.3.5/platform.min.js"></script>

jQuery Browser by gabceb - 504?s - Last updated Nov 23, 2015 - 1.3KB

console.log($.browser)_x000D_
document.write("You are using " + $.browser.name +_x000D_
               " v" + $.browser.versionNumber + _x000D_
               " on " + $.browser.platform);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-browser/0.1.0/jquery.browser.min.js"></script>

Detect.js (Archived) by darcyclarke - 522?s - Last updated Oct 26, 2015 - 2.9KB

var result = detect.parse(navigator.userAgent);_x000D_
console.log(result);_x000D_
document.write("You are using " + result.browser.family +_x000D_
               " v" + result.browser.version + _x000D_
               " on " + result.os.family);

<script src="https://cdnjs.cloudflare.com/ajax/libs/Detect.js/2.2.2/detect.min.js"></script>

Browser Detect (Archived) by QuirksMode - Last updated Nov 14, 2013 - 884B

console.log(BrowserDetect)_x000D_
document.write("You are using " + BrowserDetect.browser +_x000D_
               " v" + BrowserDetect.version + _x000D_
               " on " + BrowserDetect.OS);

<script src="https://kylemit.github.io/libraries/libraries/BrowserDetect.js"></script>

Notable Mentions:

• WhichBrowser - 1,355?s - Last updated Oct 2, 2018
• Modernizr - 23,397?s - Last updated Jan 12, 2019 - To feed a fed horse, feature detection should drive any canIuse style questions. Browser detection is really just for providing customized images, download files, or instructions for individual browsers.

Further Reading

• Stack Overflow - Browser detection in JavaScript?
• Stack Overflow - How can you detect the version of a browser?

I'm going to add a quick two cents to this. One reason this issue is confusing is because this scenario seems to return the same result with error reporting not on full:

$a = null;
var_dump($a); // NULL
var_dump($b); // NULL

You could assume from this result that the difference between $a = null and not defining $b at all is nothing.

Crank error reporting up:

NULL

Notice: Undefined variable: b in xxx on line n
NULL

Note: it threw an undefined variable error, but the output value of var_dump is still NULL.

PHP obviously does have an internal ability to distinguish between a null variable and an undefined variable. It seems to me that there should be a built in function to check for this.

I think the accepted answer is good for the most part, but if I was going to implement it I would write a wrapper for it. As previously mentioned in this answer, I have to agree that I haven't actually encountered a situation where this has been a problem. I seem to almost always end up in a scenario where my variables are either set and defined, or they aren't (undefined, unset, null, blank, etc). Not to say that a situation like this won't occur in future, but as it seems to be quite a unique issue I'm not surprised that the PHP devs haven't bothered to put this in.

bit rate : no of bits(0 or 1 for binary signal) transmitted per second.

baud rate : no of symbols per second.

A symbol consists of 'n' number of bits.

Baud rate = (bit rate)/n

So baud rate is always less than or equal to bit rate.It is equal when signal is binary.

JustinStolle's answer in a different way. A few notes:

• The print statement may truncate the string to 4000 characters, but my test string for example was 9520 characters in length.
• The [tr/th] indicates hierarchy, e.g., <tr><th>...</th></tr>.
• The [@name] adds fields as XML attributes.
• MS SQL XML concatenates fields of the same name, so null in between fields prevents that.

declare @body nvarchar(max)

select @body = cast((
    select N'2' [@cellpadding], N'2' [@cellspacing], N'1' [@border],
           N'Database Table' [tr/th], null [tr/td],
           N'Entity Count' [tr/th], null [tr/td],
           N'Total Rows' [tr/th], null,
           (select  object_name( object_id ) [td], null,
                    count( distinct name ) [td], null,
                    count( * )  [td], null
             from sys.columns
             group by object_name( object_id )
             for xml path('tr'), type)
        for xml path('table'), type
        ) as nvarchar(max))

print @body  -- only shows up to 4000 characters depending

Alternatively, you can use npx which comes along with the npm > 5.6.

npx bower install

If you use file_put_contents you don't need to do a fopen -> fwrite -> fclose, the file_put_contents does all that for you. You should also check if the webserver has write rights in the directory where you are trying to write your "data.txt" file.

Depending on your PHP version (if it's old) you might not have the file_get/put_contents functions. Check your webserver log to see if any error appeared when you executed the script.

According to the official default HTML stylesheet, there is no defined default link color. However, you can find out the default your browser uses by either taking a screenshot and using the pipette tool in any decent graphic editor or using the developer tools of your browser (select an a element, look for computed values>color).

Take a look at highlight (jQuery plugin).

Use a library to (a) read the sound file(s) and (b) play them back. (I'd recommend trying both yourself at some point in your spare time, but...)

Perhaps (*nix):

• http://www.underbit.com/products/mad/
• https://www.xiph.org/ao/
• http://libsdl.org/

Windows: DirectX.

If you’re willing to cause all zeroes in the worksheet to disappear, go into “Excel Options”, “Advanced” page, “Display options for this worksheet” section, and clear the “Show a zero in cells that have a zero value” checkbox.  (This is the navigation for Excel 2007; YMMV.)

Regarding your answer (2), you can save a couple of keystrokes by typing 0;-0; –– as far as I can tell, that’s equivalent to 0;-0;;@.  Conversely, if you want to be a little more general, you can use the format General;-General;.  No, that doesn’t automagically handle dates, but, as Barry points out, if you’re expecting a date value, you can use a format like d-mmm-yyyy;;.

Another easy way to achieve this is to perform a fade using AlphaAnimation.

1. Make your view a ViewGroup
2. Add a child view to it at index 0, with match_parent layout dimensions
3. Give your child the same background as the container
4. Change to background of the container to the target color
5. Fade out the child using AlphaAnimation.
6. Remove the child when the animation is complete (using an AnimationListener)

dochoffiday's answer is a great starting point, but for me it did not cut it (the CSS part needed a buff) so I made a modified version with several improvements.

See it in action, then come back for the description.

JavaScript

(function ($) {
    $.fn.styleTable = function (options) {
        var defaults = {
            css: 'ui-styled-table'
        };
        options = $.extend(defaults, options);

        return this.each(function () {
            $this = $(this);
            $this.addClass(options.css);

            $this.on('mouseover mouseout', 'tbody tr', function (event) {
                $(this).children().toggleClass("ui-state-hover",
                                               event.type == 'mouseover');
            });

            $this.find("th").addClass("ui-state-default");
            $this.find("td").addClass("ui-widget-content");
            $this.find("tr:last-child").addClass("last-child");
        });
    };
})(jQuery);

Differences with the original version:

• the default CSS class has been changed to ui-styled-table (it sounds more consistent)
• the .live call was replaced with the recommended .on for jQuery 1.7 upwards
• the explicit conditional has been replaced by .toggleClass (a terser equivalent)
• code that sets the misleadingly-named CSS class first on table cells has been removed
• the code that dynamically adds .last-child to the last table row is necessary to fix a visual glitch on Internet Explorer 7 and Internet Explorer 8; for browsers that support :last-child it is not necessary

CSS

/* Internet Explorer 7: setting "separate" results in bad visuals; all other browsers work fine with either value. */
/* If set to "separate", then this rule is also needed to prevent double vertical borders on hover:
table.ui-styled-table tr * + th, table.ui-styled-table tr * + td  { border-left-width: 0px !important; } */
table.ui-styled-table { border-collapse: collapse; }

/* Undo the "bolding" that jQuery UI theme may cause on hovered elements
/* Internet Explorer 7: does not support "inherit", so use a MS proprietary expression along with an Internet Explorer <= 7 targeting hack
        to make the visuals consistent across all supported browsers */
table.ui-styled-table td.ui-state-hover {
    font-weight: inherit;
    *font-weight: expression(this.parentNode.currentStyle['fontWeight']);
}

/* Initally remove bottom border for all cells. */
table.ui-styled-table th, table.ui-styled-table td { border-bottom-width: 0px !important; }

/* Hovered-row cells should show bottom border (will be highlighted) */
table.ui-styled-table tbody tr:hover th,
table.ui-styled-table tbody tr:hover td
{ border-bottom-width: 1px !important; }

/* Remove top border if the above row is being hovered to prevent double horizontal borders. */
table.ui-styled-table tbody tr:hover + tr th,
table.ui-styled-table tbody tr:hover + tr td
{ border-top-width: 0px !important; }

/* Last-row cells should always show bottom border (not necessarily highlighted if not hovered). */
/* Internet Explorer 7, Internet Explorer 8: selector dependent on CSS classes because of no support for :last-child */
table.ui-styled-table tbody tr.last-child th,
table.ui-styled-table tbody tr.last-child td
{ border-bottom-width: 1px !important; }

/* Last-row cells should always show bottom border (not necessarily highlighted if not hovered). */
/* Internet Explorer 8 BUG: if these (unsupported) selectors are added to a rule, other selectors for that rule will stop working as well! */
/* Internet Explorer 9 and later, Firefox, Chrome: make sure the visuals are working even without the CSS classes crutch. */
table.ui-styled-table tbody tr:last-child th,
table.ui-styled-table tbody tr:last-child td
{ border-bottom-width: 1px !important; }

Notes

I have tested this on Internet Explorer 7 and upwards, Firefox 11 and Google Chrome 18 and confirmed that it works perfectly. I have not tested reasonably earlier versions of Firefox and Chrome or any version of Opera; however, those browsers are well-known for good CSS support and since we are not using any bleeding-edge functionality here I assume it will work just fine there as well.

If you are not interested in Internet Explorer 7 support there is one CSS attribute (introduced with the star hack) that can go.

If you are not interested in Internet Explorer 8 support either, the CSS and JavaScript related to adding and targeting the last-child CSS class can go as well.

Edit your index.html file location in the public folder. Copy your image to same location as index.html in public folder. And then replace the part of the contents of index.html containing <div id="root"> </div> tags to the below given html code.

<div id="root">  <img src="logo-dark300w.png" alt="Spideren" style="vertical-align: middle; position: absolute;
   top: 50%;
   left: 50%;
   margin-top: -100px; /* Half the height */
   margin-left: -250px; /* Half the width */" />  </div>

Logo will now appear in the middle of the page during the loading process. And will then be replaced after a few seconds by React.

str.lower() converts all cased characters to lowercase.

I would use a single Context class inheriting from IdentityDbContext. This way you can have the context be aware of any relations between your classes and the IdentityUser and Roles of the IdentityDbContext. There is very little overhead in the IdentityDbContext, it is basically a regular DbContext with two DbSets. One for the users and one for the roles.

Clang's document on Objective-C Automatic Reference Counting (ARC) explains the ownership qualifiers and modifiers clearly:

There are four ownership qualifiers:

• __autoreleasing
• __strong
• __*unsafe_unretained*
• __weak

A type is nontrivially ownership-qualified if it is qualified with __autoreleasing, __strong, or __weak.

Then there are six ownership modifiers for declared property:

• assign implies __*unsafe_unretained* ownership.
• copy implies __strong ownership, as well as the usual behavior of copy semantics on the setter.
• retain implies __strong ownership.
• strong implies __strong ownership.
• *unsafe_unretained* implies __*unsafe_unretained* ownership.
• weak implies __weak ownership.

With the exception of weak, these modifiers are available in non-ARC modes.

Semantics wise, the ownership qualifiers have different meaning in the five managed operations: Reading, Assignment, Initialization, Destruction and Moving, in which most of times we only care about the difference in Assignment operation.

Assignment occurs when evaluating an assignment operator. The semantics vary based on the qualification:

• For __strong objects, the new pointee is first retained; second, the lvalue is loaded with primitive semantics; third, the new pointee is stored into the lvalue with primitive semantics; and finally, the old pointee is released. This is not performed atomically; external synchronization must be used to make this safe in the face of concurrent loads and stores.
• For __weak objects, the lvalue is updated to point to the new pointee, unless the new pointee is an object currently undergoing deallocation, in which case the lvalue is updated to a null pointer. This must execute atomically with respect to other assignments to the object, to reads from the object, and to the final release of the new pointee.
• For __*unsafe_unretained* objects, the new pointee is stored into the lvalue using primitive semantics.
• For __autoreleasing objects, the new pointee is retained, autoreleased, and stored into the lvalue using primitive semantics.

The other difference in Reading, Init, Destruction and Moving, please refer to Section 4.2 Semantics in the document.

Answering my question based on the suggestions from Maudicus and Hit.

Check the WebView tutorial here. Just implement the web client and set it before loadUrl. The simplest way is:

myWebView.setWebViewClient(new WebViewClient());

For more advanced processing for the web content, consider the ChromeClient.

You can do

[5, 10].min

or

[4, 7].max

They come from the Enumerable module, so anything that includes Enumerable will have those methods available.

v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.

@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max].

[4, 5, 7, 10].minmax
=> [4, 10]

checked is boolean property so you can directly use it in IF condition:-

 <script type="text/javascript">
    function validate() {
        if (document.getElementById('remember').checked) {
            alert("checked");
        } else {
            alert("You didn't check it! Let me check it for you.");
        }
    }
    </script>

console.log().

Chrome, Safari, and IE 8+ come with built-in consoles (as part of a larger set of development tools). If you're using Firefox, getfirebug.com.

For linuxes I've figured out that ECU could be measured by sysbench:

sysbench --num-threads=128 --test=cpu --cpu-max-prime=50000 --max-requests=50000 run

Total time (t) should be calculated by formula:

ECU=1925/t

And my example test results:

|   instance type   |   time   |   ECU   |
|-------------------|----------|---------|
| m1.small          |  1735,62 |       1 |
| m3.xlarge         |   147,62 |      13 |
| m3.2xlarge        |    74,61 |      26 |
| r3.large          |   295,84 |       7 |
| r3.xlarge         |   148,18 |      13 |
| m4.xlarge         |   146,71 |      13 |
| m4.2xlarge        |    73,69 |      26 |
| c4.xlarge         |   123,59 |      16 |
| c4.2xlarge        |    61,91 |      31 |
| c4.4xlarge        |    31,14 |      62 |

The answers here are kind of all over the map, and try to accomplish several different things. I'll just point you to the answer I recently gave that discusses the forced rounding UP -- i.e., no rounding toward zero at all. The answers in here cover different types of rounding, and ana's answer for example is for forced rounding up.

To be clear, the original question was how to "round normally" -- so, "for value > 0.5, round up. And for value < 0.5, round down".

The answer that I link to there discusses forced rounding up, which you sometimes also want to do. Whereas Excel's normal ROUND uses round-half-up, its ROUNDUP uses round-away-from-zero. So here are two functions that imitate ROUNDUP in VBA, the second of which only rounds to a whole number.

Function RoundUpVBA(InputDbl As Double, Digits As Integer) As Double

    If InputDbl >= O Then
        If InputDbl = Round(InputDbl, Digits) Then RoundUpVBA = InputDbl Else RoundUpVBA = Round(InputDbl + 0.5 / (10 ^ Digits), Digits)
    Else
        If InputDbl = Round(InputDbl, Digits) Then RoundUpVBA = InputDbl Else RoundUpVBA = Round(InputDbl - 0.5 / (10 ^ Digits), Digits)
    End If

End Function

Or:

Function RoundUpToWhole(InputDbl As Double) As Integer

    Dim TruncatedDbl As Double

    TruncatedDbl = Fix(InputDbl)

    If TruncatedDbl <> InputDbl Then
        If TruncatedDbl >= 0 Then RoundUpToWhole = TruncatedDbl + 1 Else RoundUpToWhole = TruncatedDbl - 1
    Else
        RoundUpToWhole = TruncatedDbl
    End If

End Function

Some of the answers above cover similar territory, but these here are self-contained. I also discuss in my other answer some one-liner quick-and-dirty ways to round up.

I would go with linking the second object into a property of the first object. If the second object is the result of a function or method, use references. Ex:

//Not the result of a method
$obj1->extra = new Class2();

//The result of a method, for instance a factory class
$obj1->extra =& Factory::getInstance('Class2');

This is what finally ended up working for me

        binding.rows.addItemDecoration(object: RecyclerView.ItemDecoration(){
            val px = resources.getDimensionPixelSize(R.dimen.grid_spacing)
            val spanCount = 2
            override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
                val index = parent.getChildLayoutPosition(view)
                val isLeft = (index % spanCount == 0)
                outRect.set(
                    if (isLeft) px else px/2,
                    0,
                    if (isLeft) px/2 else px,
                    px
                )
            }
        })

Since there are only 2 columns for me (val spanCount = 2), I can do with just isLeft. If there were > 2 columns, then I'd need a isMiddle as well, and the value for both sides would be px/2.

I wish there was a way to get the app:spanCount from directly from the RecyclerView, but I don't believe there is.

I find using the pipe character with some top and bottom padding works well. Using a div with a border will require more CSS to vertically align it and get the horizontal spacing even with the other elements.

CSS

.divider-vertical {
    padding-top: 14px;
    padding-bottom: 14px;
}

HTML

<ul class="nav navbar-nav">
    <li class="active"><a href="#">Home</a></li>
    <li class="divider-vertical">&#124;</li>
    <li><a href="#">Faq</a></li>
    <li class="divider-vertical">&#124;</li>
    <li><a href="#">News</a></li>
    <li class="divider-vertical">&#124;</li>
    <li><a href="#">Contact</a></li>
</ul>

Another way is to use Cairographics-based SVG, PDF and PostScript Graphics Devices. This way you don't need to setEPS()

cairo_ps("image.eps")
plot(1, 10)
dev.off()

Get Username and password

Make it more clear to read but put it on a better position over the screen

#!/bin/bash
clear
echo 
echo 
echo
counter=0
unset username
prompt="  Enter Username:"
while IFS= read -p "$prompt" -r -s -n 1 char
do
    if [[ $char == $'\0' ]]; then
        break
    elif [ $char == $'\x08' ] && [ $counter -gt 0 ]; then
        prompt=$'\b \b'
        username="${username%?}"
        counter=$((counter-1))
    elif [ $char == $'\x08' ] && [ $counter -lt 1 ]; then
        prompt=''
        continue
    else
        counter=$((counter+1))
        prompt="$char"
        username+="$char"
    fi
done
echo
unset password
prompt="  Enter Password:"
while IFS= read -p "$prompt" -r -s -n 1 char
do
    if [[ $char == $'\0' ]]; then
        break
    elif [ $char == $'\x08' ] && [ $counter -gt 0 ]; then
        prompt=$'\b \b'
        password="${password%?}"
        counter=$((counter-1))
    elif [ $char == $'\x08' ] && [ $counter -lt 1 ]; then
        echo
        prompt="  Enter Password:"
        continue
    else
        counter=$((counter+1))
        prompt='*'
        password+="$char"
    fi
done

Javascript isn't threaded, so a "wait" would freeze the entire page (and probably cause the browser to stop running the script entirely).

To specifically address your problem, you should remove the brackets after donothing in your setTimeout call, and make waitsecs a number not a string:

console.log('before');
setTimeout(donothing,500); // run donothing after 0.5 seconds
console.log('after');

But that won't stop execution; "after" will be logged before your function runs.

To wait properly, you can use anonymous functions:

console.log('before');
setTimeout(function(){
    console.log('after');
},500);

All your variables will still be there in the "after" section. You shouldn't chain these - if you find yourself needing to, you need to look at how you're structuring the program. Also you may want to use setInterval / clearInterval if it needs to loop.

Create build.gradle file in facebook sdk project:

apply plugin: 'android-library'

dependencies {
    compile 'com.android.support:support-v4:18.0.+'
}

android {
    compileSdkVersion 8
    buildToolsVersion "19.0.0"

    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            resources.srcDirs = ['src']
            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
        }

        // Move the build types to build-types/<type>
        // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ...
        // This moves them out of them default location under src/<type>/... which would
        // conflict with src/ being used by the main source set.
        // Adding new build types or product flavors should be accompanied
        // by a similar customization.
        debug.setRoot('build-types/debug')
        release.setRoot('build-types/release')
    }
}

Then add include ':libs:facebook' equals <project_directory>/libs/facebook (path to library) in settings.gradle.

Using CSS {height: 100%;} matches the height of the parent. This could be anything, meaning smaller or bigger than the screen. Using {height: 100vh;} matches the height of the viewport.

.container {
    height: 100vh;
    overflow: auto;
}

According to Mozilla's official documents, 1vh is:

Equal to 1% of the height of the viewport's initial containing block.

I've more recently found a much cleaner approach to this, which can be executed at any time, rather than being forced to do it synchronously when the script loads.

Use stackinfo to get a stacktrace at a current location, and grab the info.file name off the top of the stack.

info = stackinfo()
console.log('This is the url of the script '+info[0].file)

Don't forget SET SCHEMA 'myschema' which you could use in a separate Statement

SET SCHEMA 'value' is an alias for SET search_path TO value. Only one schema can be specified using this syntax.

And since 9.4 and possibly earlier versions on the JDBC driver, there is support for the setSchema(String schemaName) method.

Execute the workbench.action.reloadWindow command.

There are some ways to do so:

1. Open the command palette (Ctrl + Shift + P) and execute the command:

   >Reload Window    
   

2. Define a keybinding for the command (for example CTRL+F5) in keybindings.json:

   [
     {
       "key": "ctrl+f5",
       "command": "workbench.action.reloadWindow",
       "when": "editorTextFocus"
     }
   ]
   

Following solution is very basic and simple approach to send data from VC2 to VC1 using delegate .

PS: This solution is made in Xcode 9.X and Swift 4

Declared a protocol and created a delegate var into ViewControllerB

    import UIKit

    //Declare the Protocol into your SecondVC
    protocol DataDelegate {
        func sendData(data : String)
    }

    class ViewControllerB : UIViewController {

    //Declare the delegate property in your SecondVC
        var delegate : DataDelegate?
        var data : String = "Send data to ViewControllerA."
        override func viewDidLoad() {
            super.viewDidLoad()
        }

        @IBAction func btnSendDataPushed(_ sender: UIButton) {
                // Call the delegate method from SecondVC
                self.delegate?.sendData(data:self.data)
                dismiss(animated: true, completion: nil)
            }
        }

ViewControllerA confirms the protocol and expected to receive data via delegate method sendData

    import UIKit
        // Conform the  DataDelegate protocol in ViewControllerA
        class ViewControllerA : UIViewController , DataDelegate {
        @IBOutlet weak var dataLabel: UILabel!

        override func viewDidLoad() {
            super.viewDidLoad()
        }

        @IBAction func presentToChild(_ sender: UIButton) {
            let childVC =  UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier:"ViewControllerB") as! ViewControllerB
            //Registered delegate
            childVC.delegate = self
            self.present(childVC, animated: true, completion: nil)
        }

        // Implement the delegate method in ViewControllerA
        func sendData(data : String) {
            if data != "" {
                self.dataLabel.text = data
            }
        }
    }

You can also use QueryFirst. Like Dapper, this is totally outside EF. Unlike Dapper (or EF), you don't need to maintain the POCO, you edit your sql SQL in a real environment, and it's continually revalidated against the DB. Disclaimer: I'm the author of QueryFirst.

You don't need jQuery, just use javascript's Math.random function.

edit: If you want to have a number from 1 to 6 show randomly every second, you can do something like this:

<span id="number"></span>

<script language="javascript">
  function generate() {
    $('#number').text(Math.floor(Math.random() * 6) + 1);
  }
  setInterval(generate, 1000);
</script>

Might want to include the old A: and B: drives as you never know who might be using them! I got tired of USB drives bumping my two SDHC drives that are just for Readyboost. I had been assigning them to High letters Z: Y: with a utility that will assign drive letters to devices as you wish. I wondered.... Can I make a Readyboost drive letter A: ? YES! Can I put my second SDHC drive letter as B: ? YES!

I've used Floppy Drives back in the day, never thought that A: or B: would come in handy for Readyboost.

My point is, don't assume A: & B: will not be used by anyone for anything You might even find the old SUBST command being used!

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

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

yq -y '.' ex.json

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

Setting the Anonymous Authentication Credentials to Application Pool Identity did the trick for me.

With this method, your script doesnt have to wait for the background process, you will only have to monitor a temporary file for the exit status.

FUNCmyCmd() { sleep 3;return 6; };

export retFile=$(mktemp); 
FUNCexecAndWait() { FUNCmyCmd;echo $? >$retFile; }; 
FUNCexecAndWait&

now, your script can do anything else while you just have to keep monitoring the contents of retFile (it can also contain any other information you want like the exit time).

PS.: btw, I coded thinking in bash

This might not be applicable to all scenarios, but I found that the position: sticky (same thing with position: fixed) only works on old iPhones when the scrolling container is not the body, but inside something else.

Example pseudo html:

body                         <- scrollbar
   relative div
       sticky div

The sticky div will be sticky on desktop browsers, but with certain devices, tested with: Chromium: dev tools: device emultation: iPhone 6/7/8, and with Android 4 Firefox, it will not.

What will work, however, is

body
    div overflow=auto       <- scrollbar
        relative div
            sticky div

I had the same issue and resolved it by adding the /bin directory location to the PATH Environment Variable.

1. Search for the file location where Git was installed, mine is C:\Users\(My UserName)\AppData\Local\GitHub. It may also be C:\Program Files (x86)\Git

2. Once you have the location of Git you should see a /bin sub-folder. It may be in a PortableGit folder (mine is PortableGit_015aa71ef18c047ce8509ffb2f9e4bb0e3e73f13). Copy this path.

3. Go to Control Panel > System > System Protection > Advanced > Environment Variables

4. Choose PATH, click edit and paste the bin path there. If there are already any values in your PATH paste your Git path at the end separated with a semi-colon.

Now you can access Git command from CMD.

You should have a 'skeleton' somewhere in /etc, probably /etc/skeleton, or check the default settings, probably /etc/default or something. Those are scripts that define standard environment variables getting set during a login.

If it is just for your own account: check the (hidden) file ~/.profile and ~/.login. Or generate them, if they don't exist. These are also evaluated by the login process.

Steps:

1. first remove all accents
2. apply the regular expression

To strip the accents:

private static string RemoveAccents(string s)
{
    s = s.Normalize(NormalizationForm.FormD);
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < s.Length; i++)
    {
        if (CharUnicodeInfo.GetUnicodeCategory(s[i]) != UnicodeCategory.NonSpacingMark) sb.Append(s[i]);
    }
    return sb.ToString();
}

Not exactly that, but std::string has many replace overloaded functions.

Go through this link to see explanation of each, with examples as to how they're used.

Also, there are several versions of string::find functions (listed below) which you can use in conjunction with string::replace.

• find
• rfind
• find_first_of
• find_last_of
• find_first_not_of
• find_last_not_of

Also, note that there are several versions of replace functions available from <algorithm> which you can also use (instead of string::replace):

• replace
• replace_if
• replace_copy
• replace_copy_if

The mipmap folders are for placing your app/launcher icons (which are shown on the homescreen) in only. Any other drawable assets you use should be placed in the relevant drawable folders as before.

According to this Google blogpost:

It’s best practice to place your app icons in mipmap- folders (not the drawable- folders) because they are used at resolutions different from the device’s current density.

When referencing the mipmap- folders ensure you are using the following reference:

android:icon="@mipmap/ic_launcher"

The reason they use a different density is that some launchers actually display the icons larger than they were intended. Because of this, they use the next size up.

sprintf can do this:

#include <stdio.h>
int main() {
  float w = 234.567;
  char x[__SIZEOF_FLOAT__];
  sprintf(x, "%g", w);
  puts(x);
}

What about something like :

angle = angle % 360;

CRON="1 2 3 4 5 /root/bin/backup.sh" 
cat < (crontab -l) |grep -v "${CRON}" < (echo "${CRON}")

add -w parameter to grep exact command, without -w parameter adding the cronjob "testing" cause deletion of cron job "testing123"

script function to add/remove cronjobs. no duplication entries :

cronjob_editor () {         
# usage: cronjob_editor '<interval>' '<command>' <add|remove>

if [[ -z "$1" ]] ;then printf " no interval specified\n" ;fi
if [[ -z "$2" ]] ;then printf " no command specified\n" ;fi
if [[ -z "$3" ]] ;then printf " no action specified\n" ;fi

if [[ "$3" == add ]] ;then
    # add cronjob, no duplication:
    ( crontab -l | grep -v -F -w "$2" ; echo "$1 $2" ) | crontab -
elif [[ "$3" == remove ]] ;then
    # remove cronjob:
    ( crontab -l | grep -v -F -w "$2" ) | crontab -
fi 
} 
cronjob_editor "$1" "$2" "$3"

tested :

$ ./cronjob_editor.sh '*/10 * * * *' 'echo "this is a test" > export_file' add
$ crontab  -l
$ */10 * * * * echo "this is a test" > export_file

Javascript

var ie = (function(){

    var undef,
        v = 3,
        div = document.createElement('div'),
        all = div.getElementsByTagName('i');

    while (
        div.innerHTML = '<!--[if gt IE ' + (++v) + ']><i></i><![endif]-->',
        all[0]
    );

    return v > 4 ? v : undef;

}());

You can then do:

ie < 9

By James Panolsey from here: http://james.padolsey.com/javascript/detect-ie-in-js-using-conditional-comments

Change it to for(int i=0;i<=9;i++)

You need to print to get that output.
You should do

>>> x = "\n".join(['I', 'would', 'expect', 'multiple', 'lines'])
>>> x                   # this is the value, returned by the join() function
'I\nwould\nexpect\nmultiple\nlines'
>>> print x    # this prints your string (the type of output you want)
I
would
expect
multiple
lines

When Modernizr runs, it removes the "no-js" class and replaces it with "js". This is a way to apply different CSS rules depending on whether or not Javascript support is enabled.

See Modernizer's source code.

There is a file in your git root directory named .gitignore. It's a file, not a command. You just need to insert the names of the files that you want to ignore, and they will automatically be ignored. For example, if you wanted to ignore all emacs autosave files, which end in ~, then you could add this line:

*~

If you want to remove the unwanted files from your branch, you can use git add -A, which "removes files that are no longer in the working tree".

Note: What I called the "git root directory" is simply the directory in which you used git init for the first time. It is also where you can find the .git directory.

I tried all the solutions mentioned above, but I was still facing the issue. Finally I stumbled upon the following which resolved the issue.

(On MacOS) Went to Preferences -> Memory Settings -> Find existing grade demon(s) -> Stopped all of them.

If you want all the li tags in an array even when they are in different ul tags then you can simply do

var lis = document.getElementByTagName('li'); 

and if you want to get particular div tag li's then:

var lis = document.getElementById('divID').getElementByTagName('li'); 

else if you want to search a ul first and then its li tags then you can do:

var uls = document.getElementsByTagName('ul');
for(var i=0;i<uls.length;i++){
    var lis=uls[i].getElementsByTagName('li');
    for(var j=0;j<lis.length;j++){
        console.log(lis[j].innerHTML);
    }
}

I've been searching the internet for RNG for a while now. Everything I saw was either TOO complex or was just not what I was looking for. After reading a few articles I was able to come up with this simple code.

{
  Random rnd = new Random(DateTime.Now.Millisecond);
  int[] b = new int[10] { 5, 8, 1, 7, 3, 2, 9, 0, 4, 6 };
  textBox1.Text = Convert.ToString(b[rnd.Next(10)])
}

Simple explanation,

1. create a 1 dimensional integer array.
2. full up the array with unordered numbers.
3. use the rnd.Next to get the position of the number that will be picked.

This works well.

To obtain a random number less than 100 use

{
  Random rnd = new Random(DateTime.Now.Millisecond);
  int[] b = new int[10] { 5, 8, 1, 7, 3, 2, 9, 0, 4, 6 };
  int[] d = new int[10] { 9, 4, 7, 2, 8, 0, 5, 1, 3, 4 };
  textBox1.Text = Convert.ToString(b[rnd.Next(10)]) + Convert.ToString(d[rnd.Next(10)]);
}

and so on for 3, 4, 5, and 6 ... digit random numbers.

Hope this assists someone positively.

As mentioned by Seeker, the problem could have been that you setup the click() function too soon. From your code snippet, we cannot know where you placed the script and whether it gets run at the right time.

An important point is to run such scripts after the document is ready. This is done by placing the click() initialization within that other function as in:

jQuery(document).ready(function()
  {
    jQuery("body").click(function()
      {
        // ... your click code here ...
      });
  });

This is usually the best method, especially if you include your JavaScript code in your <head> tag. If you include it at the very bottom of the page, then the ready() function is less important, but it may still be useful.

I would put this as a comment, but I don't have the rep for it. What Josh Crozier answered is correct, but for IE .cur and .ani are the only supported formats for this. So you should probably have a fallback just in case:

.test {
    cursor:url("http://www.javascriptkit.com/dhtmltutors/cursor-hand.gif"), url(foo.cur), auto;
}

what worked for me is converting the props.data to an array using data = Array.from(props.data); then I could use the data.map() function

If you are using JSP 2.0 and above It will come with the EL support: so that you can write in plain english and use and with empty operators to write your test:

<c:if test="${(empty object_1.attribute_A) and (empty object_2.attribute_B)}">

I think by using the content"."; The dot becomes too squared if made too big, thus I believe that this is a better solution, here you can decide the size of the "disc" without affecting the font size.

li {_x000D_
    list-style: none;_x000D_
   display: list-item;_x000D_
   margin-left: 50px;_x000D_
}_x000D_
_x000D_
li:before {_x000D_
    content: "";_x000D_
   border: 5px #000 solid !important;_x000D_
   border-radius: 50px;_x000D_
   margin-top: 5px;_x000D_
   margin-left: -20px;_x000D_
   position: absolute;_x000D_
}

<h2>Look at these examples!</h2>_x000D_
<li>This is an example</li>_x000D_
<li>This is another example</li>

You edit the size of the disk by editing the size of the border px. and you can adjust the distance to the text by how much - margin left you give it. As well as adjust the y position by editing the margin top.

Setting CSS width to 1% or 100% of an element according to all specs I could find out is related to the parent. Although Blink Rendering Engine (Chrome) and Gecko (Firefox) at the moment of writing seems to handle that 1% or 100% (make a columns shrink or a column to fill available space) well, it is not guaranteed according to all CSS specifications I could find to render it properly.

One option is to replace table with CSS4 flex divs:

https://css-tricks.com/snippets/css/a-guide-to-flexbox/

That works in new browsers i.e. IE11+ see table at the bottom of the article.

Another way is to use only a '-' in the argument for argsort as in : "df[np.argsort(-df[:, 0])]", provided df is the dataframe and you want to sort it by the first column (represented by the column number '0'). Change the column-name as appropriate. Of course, the column has to be a numeric one.

If you wanted to do this inline and didn't need recursive descent, this might work:

DATA = { u'spam': u'eggs', u'foo': True, u'bar': { u'baz': 97 } }
print DATA
# "{ u'spam': u'eggs', u'foo': True, u'bar': { u'baz': 97 } }"

STRING_DATA = dict([(str(k), v) for k, v in data.items()])
print STRING_DATA
# "{ 'spam': 'eggs', 'foo': True, 'bar': { u'baz': 97 } }"

Weston Ruther built a similar thing using the WebKit proposal for css transitions:

http://weston.ruter.net/projects/jquery-css-transitions/

This implementation might be useful for you.

Many solutions here did not account for rounding. For example:

Event happened at 3pm two days ago. If you are checking at 2pm, it will show one day ago. If you are checking at 4pm it will show two days ago.

If you are working with unix time, this helps:

// how long since event has passed in seconds
$secs = time() - $time_ago;

// how many seconds in a day
$sec_per_day = 60*60*24;

// days elapsed
$days_elapsed = floor($secs / $sec_per_day);

// how many seconds passed today
$today_seconds = date('G')*3600 + date('i') * 60 + date('s');

// how many seconds passed in the final day calculation
$remain_seconds = $secs % $sec_per_day;

if($today_seconds < $remain_seconds)
{
    $days_elapsed++;
}

echo 'The event was '.$days_ago.' days ago.';

It is not perfect if you are worried about leap seconds and daylight savings time.

This is what you're looking for.

I had this problem too. And like you, the answer is very hard to find. But there IS an easy way to get the ViewHolder from a specific position (something you'll probably do a lot in the Adapter).

myRecyclerView.findViewHolderForAdapterPosition(pos);

NOTE: If the View has been recycled, this will return null. Thanks to Michael for quickly catching my important omission.

Use the ng-click directive:

<button my-directive ng-click="alertFn()">Click Me!</button>

// In <script>:
app.directive('myDirective' function() {
  return function(scope, element, attrs) {
    scope.alertFn = function() { alert('click'); };
  };
};

Note that you don't need my-directive in this example, you just need something to bind alertFn on the current scope.

Update: You also want the angular libraries loaded before your <script> block.

The first example you link to shows how MongoDB references behave much like lazy loading not like a join. There isn't a query there that's happening on both collections, rather you query one and then you lookup items from another collection by reference.

why not just skip .get altogether and do something like this?:

for x in range(len(dictionary["C1"]))
    dictionary["C1"][x] += 10

If you dont want to merge the changes and still want to update your local then run:

git reset --hard HEAD  

This will reset your local with HEAD and then pull your remote using git pull.

If you've already committed your merge locally (but haven't pushed to remote yet), and want to revert it as well:

git reset --hard HEAD~1 

Adding on to the main response that recommends the usage of WpfAnimatedGif, you must add the following lines in the end if you are swapping an image with a Gif to ensure the animation actually executes:

ImageBehavior.SetRepeatBehavior(img, new RepeatBehavior(0));
ImageBehavior.SetRepeatBehavior(img, RepeatBehavior.Forever);

So your code will look like:

var image = new BitmapImage();
image.BeginInit();
image.UriSource = new Uri(fileName);
image.EndInit();
ImageBehavior.SetAnimatedSource(img, image);
ImageBehavior.SetRepeatBehavior(img, new RepeatBehavior(0));
ImageBehavior.SetRepeatBehavior(img, RepeatBehavior.Forever);

Distinct and the aggregation framework are not inter-operable.

Instead you just want:

db.zips.aggregate([ 
    {$group:{_id:{city:'$city', state:'$state'}, numberOfzipcodes:{$sum:1}}}, 
    {$sort:{numberOfzipcodes:-1}},
    {$group:{_id:'$_id.state', city:{$first:'$_id.city'}, 
              numberOfzipcode:{$first:'$numberOfzipcodes'}}}
]);

I have to point that out as a lot of people can struggle into that without knowing the problem.

If you want the kb to hide when clicking Done, and you set android:imeOptions="actionDone" & android:maxLines="1" without setting your EditText inputType it will NOT work as the default inputType for the EditText is not "text" as a lot of people think.

so, setting only inputType will give you the results you desire whatever what you are setting it to like "text", "number", ...etc.

I am also still figuring out the internals of git, and have figured out this so far:

1. HEAD is a file in your .git/ directory that normally looks something like this:

% cat .git/HEAD
ref: refs/heads/master

2. refs/heads/master is itself a file that normally has the hash value of the latest commit:

% cat .git/refs/heads/master 
cbf01a8e629e8d884888f19ac203fa037acd901f

3. If you git checkout a remote branch that is ahead of your master, this may cause your HEAD file to be updated to contain the hash of the latest commit in the remote master:

% cat .git/HEAD
8e2c815f83231f85f067f19ed49723fd1dc023b7

This is called a detached HEAD. The remote master is ahead of your local master. When you do git submodule --remote myrepo to get the latest commit of your submodule, it will by default do a checkout, which will update HEAD. Since your current branch master is behind, HEAD becomes 'detached' from your current branch, so to speak.

see for your js path that may be the causing issue...because You only get this error if jQuery is not correctly loaded.

Another reason why you should avoid converting the column to varchar(max) is because you cannot create an index on a varchar(max) column.

(For those who read all answers). My case was simply the fact that I created a SQL expression using the format Forms!Table!Control. That format is Ok within a query, but DAO doesn't recognize it. I'm surprised that nobody commented this.

This doesn't work:

Dim rs As DAO.Recordset, strSQL As String
strSQL = "SELECT * FROM Table1 WHERE Name = Forms!Table!Control;"
Set rs = CurrentDb.OpenRecordset(strSQL)

This is Ok:

Dim rs As DAO.Recordset, strSQL, val As String
val = Forms!Table!Control
strSQL = "SELECT * FROM Table1 WHERE Name = '" & val & "';"
Set rs = CurrentDb.OpenRecordset(strSQL)

Put your JavaScript code after your tag <canvas></canvas>

As previously stated, it's not directly possible, but you can set up Apache or nginx + SSL on a EC2 instance, CNAME your desired domain to that, and reverse-proxy to the (non-custom domain) S3 URLs.

You can use String.Replace which basically removes all occurrences

line.Replace(@"\", ""); 

Yep, why not?

fs.Write(myByteArray, 0, myByteArray.Length);

git checkout master

That's result something like this:

Warning: you are leaving 2 commits behind, not connected to
any of your branches:

1e7822f readme
0116b5b returned to clean django

If you want to keep them by creating a new branch, this may be a good time to do so with:
git branch new_branch_name 1e7822f25e376d6a1182bb86a0adf3a774920e1e

So, let's do it:

git merge 1e7822f25e376d6a1182bb86a0adf3a774920e1e

I was able to call stored procedure in a view (SQL Server 2005).

CREATE FUNCTION [dbo].[dimMeasure] 
   RETURNS  TABLE  AS

    (
     SELECT * FROM OPENROWSET('SQLNCLI', 'Server=localhost; Trusted_Connection=yes;', 'exec ceaw.dbo.sp_dimMeasure2')
    )
RETURN
GO

Inside stored procedure we need to set:

set nocount on
SET FMTONLY OFF

CREATE VIEW [dbo].[dimMeasure]
AS

SELECT * FROM OPENROWSET('SQLNCLI', 'Server=localhost;Trusted_Connection=yes;', 'exec ceaw.dbo.sp_dimMeasure2')

GO

Use Object.getClass(). It returns the runtime type of the object.

If you insist on using ForEach-Object, then I would suggest adding a "break condition" like this:

$Break = $False;

1,2,3,4 | Where-Object { $Break -Eq $False } | ForEach-Object {

    $Break = $_ -Eq 3;

    Write-Host "Current number is $_";
}

The above code must output 1,2,3 and then skip (break before) 4. Expected output:

Current number is 1
Current number is 2
Current number is 3

Try:

  string output = YourString.replaceAll("\\s","")

s - indicates space character (tab characters etc)

I believe if a file is modified but not yet added (staged), it is purely "private".
Meaning it cannot be restored by GIT if overwritten with the index or the HEAD version (unless you have a copy of your current work somewhere).

A "private" content is one only visible in your current directory, but not registered in any way in Git.

Note: As explained in other answers, you can recover your changes if you use an IDE (with local history) or have an open editor (ctrl+Z).

If your url looks something like this:

somesite.com/something/123

Where '123' is a parameter named 'id' (url like /something/:id), try with:

this.$route.params.id

Store their UserId and a RememberMeToken. When they login with remember me checked generate a new RememberMeToken (which invalidate any other machines which are marked are remember me).

When they return look them up by the remember me token and make sure the UserId matches.

Storing files in your database will lead to a huge database size. You may not like that, for development, testing, backups, etc.

Instead, you'd use FileStream (SQL-Server) or BFILE (Oracle).

There is no default-implementation of BFILE/FileStream in Postgres, but you can add it: https://github.com/darold/external_file

And further information (in french) can be obtained here:
http://blog.dalibo.com/2015/01/26/Extension_BFILE_pour_PostgreSQL.html

To answer the acual question:
Apart from bytea, for really large files, you can use LOBS:

// http://stackoverflow.com/questions/14509747/inserting-large-object-into-postgresql-returns-53200-out-of-memory-error
// https://github.com/npgsql/Npgsql/wiki/User-Manual
public int InsertLargeObject()
{
    int noid;
    byte[] BinaryData = new byte[123];

    // Npgsql.NpgsqlCommand cmd ;
    // long lng = cmd.LastInsertedOID;

    using (Npgsql.NpgsqlConnection connection = new Npgsql.NpgsqlConnection(GetConnectionString()))
    {
        using (Npgsql.NpgsqlTransaction transaction = connection.BeginTransaction())
        {
            try
            {
                NpgsqlTypes.LargeObjectManager manager = new NpgsqlTypes.LargeObjectManager(connection);
                noid = manager.Create(NpgsqlTypes.LargeObjectManager.READWRITE);
                NpgsqlTypes.LargeObject lo = manager.Open(noid, NpgsqlTypes.LargeObjectManager.READWRITE);

                // lo.Write(BinaryData);
                int i = 0;
                do
                {
                    int length = 1000;
                    if (i + length > BinaryData.Length)
                        length = BinaryData.Length - i;

                    byte[] chunk = new byte[length];
                    System.Array.Copy(BinaryData, i, chunk, 0, length);
                    lo.Write(chunk, 0, length);
                    i += length;
                } while (i < BinaryData.Length);

                lo.Close();
                transaction.Commit();
            } // End Try
            catch
            {
                transaction.Rollback();
                throw;
            } // End Catch

            return noid;
        } // End Using transaction 

    } // End using connection

} // End Function InsertLargeObject 



public System.Drawing.Image GetLargeDrawing(int idOfOID)
{
    System.Drawing.Image img;

    using (Npgsql.NpgsqlConnection connection = new Npgsql.NpgsqlConnection(GetConnectionString()))
    {
        lock (connection)
        {
            if (connection.State != System.Data.ConnectionState.Open)
                connection.Open();

            using (Npgsql.NpgsqlTransaction trans = connection.BeginTransaction())
            {
                NpgsqlTypes.LargeObjectManager lbm = new NpgsqlTypes.LargeObjectManager(connection);
                NpgsqlTypes.LargeObject lo = lbm.Open(takeOID(idOfOID), NpgsqlTypes.LargeObjectManager.READWRITE); //take picture oid from metod takeOID
                byte[] buffer = new byte[32768];

                using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
                {
                    int read;
                    while ((read = lo.Read(buffer, 0, buffer.Length)) > 0)
                    {
                        ms.Write(buffer, 0, read);
                    } // Whend

                    img = System.Drawing.Image.FromStream(ms);
                } // End Using ms

                lo.Close();
                trans.Commit();

                if (connection.State != System.Data.ConnectionState.Closed)
                    connection.Close();
            } // End Using trans

        } // End lock connection

    } // End Using connection

    return img;
} // End Function GetLargeDrawing



public void DeleteLargeObject(int noid)
{
    using (Npgsql.NpgsqlConnection connection = new Npgsql.NpgsqlConnection(GetConnectionString()))
    {
        if (connection.State != System.Data.ConnectionState.Open)
            connection.Open();

        using (Npgsql.NpgsqlTransaction trans = connection.BeginTransaction())
        {
            NpgsqlTypes.LargeObjectManager lbm = new NpgsqlTypes.LargeObjectManager(connection);
            lbm.Delete(noid);

            trans.Commit();

            if (connection.State != System.Data.ConnectionState.Closed)
                connection.Close();
        } // End Using trans 

    } // End Using connection

} // End Sub DeleteLargeObject 

With the atom editor, you just need to install the git-plus package.

Changing the ng-src value is actually very simple. Like this:

<html ng-app>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script>
</head>
<body>
<img ng-src="{{img_url}}">
<button ng-click="img_url = 'https://farm4.staticflickr.com/3261/2801924702_ffbdeda927_d.jpg'">Click</button>
</body>
</html>

Here is a jsFiddle of a working example: http://jsfiddle.net/Hx7B9/2/

Well, sometime there is just ERROR! message is shown in mysql comment on terminal. Then, just reinstall (overwrite) XAMPP, then it can be solved.

What you can do is set specific width and height to your iframe (for example these could be equal to your window dimensions) and then applying a scale transformation to it. The scale value will be the ratio between your window width and the dimension you wanted to set to your iframe.

E.g.

<iframe width="1024" height="768" src="http://www.bbc.com" style="-webkit-transform:scale(0.5);-moz-transform-scale(0.5);"></iframe>

Once again the problem with unit-testing comes from manually creating objects using new operator. Consider passing already created Second instead:

class First {

  private Second second;

  public First(int num, Second second) {
    this.second = second;
    this.num = num;
  }

  // some other methods...
}

I know this might mean major rewrite of your API, but there is no other way. Also this class doesn't have any sense:

Mockito.when(new Second(any(String.class).thenReturn(null)));

First of all Mockito can only mock methods, not constructors. Secondly, even if you could mock constructor, you are mocking constructor of just created object and never really doing anything with that object.

I managed to find a blog post on the subject, which links off to an open source project that implements RestSharp. Hopefully of some help to you.

http://dkdevelopment.net/2010/05/18/dropbox-api-and-restsharp-for-a-c-developer/ The blog post is a 2 parter, and the project is here: https://github.com/dkarzon/DropNet

It might help if you had a full example of what wasn't working. It's difficult to get context on how the client was set up if you don't provide the code.

There's also this quick (and somewhat dirty) one-liner:

$linecount=0; $i=0; Get-Content .\BIG_LOG_FILE.txt | %{ Add-Content OUT$i.log "$_"; $linecount++; if ($linecount -eq 3000) {$I++; $linecount=0 } }

You can tweak the number of first lines per batch by changing the hard-coded 3000 value.

If you get a model instance from the database, then calling the save method will always update that instance. For example:

t = TemperatureData.objects.get(id=1)
t.value = 999  # change field
t.save() # this will update only

If your goal is prevent any INSERTs, then you can override the save method, test if the primary key exists and raise an exception. See the following for more detail:

• How Django knows to UPDATE vs. INSERT