Replacement for deprecated sizeWithFont: in iOS 7?

Try this syntax:

NSAttributedString *attributedText =
    [[NSAttributedString alloc] initWithString:text 
                                    attributes:@{NSFontAttributeName: font}];

Programmatically Creating UILabel

UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(20, 30, 300, 50)];
label.backgroundColor = [UIColor clearColor];
label.textAlignment = NSTextAlignmentCenter;
label.textColor = [UIColor whiteColor];
label.numberOfLines = 0;
label.lineBreakMode = UILineBreakModeWordWrap;
label.text = @"Your Text";
[self.view addSubview:label];

Setting custom UITableViewCells height

I saw a lot of solutions but all was wrong or uncomplet. You can solve all problems with 5 lines in viewDidLoad and autolayout. This for objetive C:

_tableView.delegate = self;
_tableView.dataSource = self;
self.tableView.estimatedRowHeight = 80;//the estimatedRowHeight but if is more this autoincremented with autolayout
self.tableView.rowHeight = UITableViewAutomaticDimension;
[self.tableView setNeedsLayout];
[self.tableView layoutIfNeeded];
self.tableView.contentInset = UIEdgeInsetsMake(20, 0, 0, 0) ;

For swift 2.0:

 self.tableView.estimatedRowHeight = 80
 self.tableView.rowHeight = UITableViewAutomaticDimension      
 self.tableView.setNeedsLayout()
 self.tableView.layoutIfNeeded()
 self.tableView.contentInset = UIEdgeInsetsMake(20, 0, 0, 0)

Now create your cell with xib or into tableview in your Storyboard With this you no need implement nothing more or override. (Don forget number os lines 0) and the bottom label (constrain) downgrade "Content Hugging Priority -- Vertical to 250"

You can donwload the code in the next url: https://github.com/jposes22/exampleTableCellCustomHeight

How to process POST data in Node.js?

Here is how you can do it if you use node-formidable:

var formidable = require("formidable");

var form = new formidable.IncomingForm();
form.parse(request, function (err, fields) {
    console.log(fields.parameter1);
    console.log(fields.parameter2);
    // ...
});

Is there any way to start with a POST request using Selenium?

from selenium import webdriver

driver = webdriver.Firefox()
driver.implicitly_wait(12)
driver.set_page_load_timeout(10)

def _post_selenium(self, url: str, data: dict):
    input_template = '{k} <input type="text" name="{k}" id="{k}" value="{v}"><BR>\n'
    inputs = ""
    if data:
        for k, v in data.items():
            inputs += input_template.format(k=k, v=v)
    html = f'<html><body>\n<form action="{url}" method="post" id="formid">\n{inputs}<input type="submit" id="inputbox">\n</form></body></html>'

    html_file = os.path.join(os.getcwd(), 'temp.html')
    with open(html_file, "w") as text_file:
        text_file.write(html)

    driver.get(f"file://{html_file}")
    driver.find_element_by_id('inputbox').click()

_post_selenium("post.to.my.site.url", {"field1": "val1"})

driver.close()

How to do a PUT request with curl?

Quick Answer:

In a single line, the curl command would be:

a) If sending form data:

curl -X PUT -H "Content-Type: multipart/form-data;" -F "key1=val1" "YOUR_URI"

b) If sending raw data as json:

curl -X PUT -H "Content-Type: application/json" -d '{"key1":"value"}' "YOUR_URI"

c) If sending a file with a POST request:

curl -X POST "YOUR_URI" -F 'file=@/file-path.csv'

Alternative solution:

You can use the POSTMAN app from Chrome Store to get the equivalent cURL request. This is especially useful when writing more complicated requests.

For the request with other formats or for different clients like java, PHP, you can check out POSTMAN/comment below.

POSTMAN to get the request code

How to restore to a different database in sql server?

If no database exists I use the following code:

ALTER PROCEDURE [dbo].[RestoreBackupToNewDB]    
         @pathToBackup  varchar(500),--where to take backup from
         @pathToRestoreFolder  varchar(500), -- where to put the restored db files 
         @newDBName varchar(100)
    AS
    BEGIN

            SET NOCOUNT ON
            DECLARE @fileListTable TABLE (
            [LogicalName]           NVARCHAR(128),
            [PhysicalName]          NVARCHAR(260),
            [Type]                  CHAR(1),
            [FileGroupName]         NVARCHAR(128),
            [Size]                  NUMERIC(20,0),
            [MaxSize]               NUMERIC(20,0),
            [FileID]                BIGINT,
            [CreateLSN]             NUMERIC(25,0),
            [DropLSN]               NUMERIC(25,0),
            [UniqueID]              UNIQUEIDENTIFIER,
            [ReadOnlyLSN]           NUMERIC(25,0),
            [ReadWriteLSN]          NUMERIC(25,0),
            [BackupSizeInBytes]     BIGINT,
            [SourceBlockSize]       INT,
            [FileGroupID]           INT,
            [LogGroupGUID]          UNIQUEIDENTIFIER,
            [DifferentialBaseLSN]   NUMERIC(25,0),
            [DifferentialBaseGUID]  UNIQUEIDENTIFIER,
            [IsReadOnly]            BIT,
            [IsPresent]             BIT,
            [TDEThumbprint]         VARBINARY(32) -- remove this column if using SQL 2005
            )
            INSERT INTO @fileListTable EXEC('RESTORE FILELISTONLY FROM DISK ='''+ @pathToBackup+'''')
            DECLARE @restoreDatabaseFilePath NVARCHAR(500)
            DECLARE @restoreLogFilePath NVARCHAR(500)
            DECLARE @databaseLogicName NVARCHAR(500)
            DECLARE @logLogicName NVARCHAR(500)
            DECLARE @pathSalt uniqueidentifier = NEWID()

            SET @databaseLogicName = (SELECT LogicalName FROM @fileListTable WHERE [Type]='D') 
            SET @logLogicName = (SELECT LogicalName FROM @fileListTable WHERE [Type]='L')           
            SET @restoreDatabaseFilePath= @pathToRestoreFolder + @databaseLogicName + convert(nvarchar(50), @pathSalt) + '.mdf'
            SET @restoreLogFilePath= @pathToRestoreFolder + @logLogicName + convert(nvarchar(50), @pathSalt) + '.ldf'

            RESTORE DATABASE @newDBName FROM DISK=@pathToBackup     
            WITH 
               MOVE @databaseLogicName TO @restoreDatabaseFilePath,
               MOVE @logLogicName TO @restoreLogFilePath

            SET NOCOUNT OFF
    END

How can I safely create a nested directory?

Check os.makedirs: (It makes sure the complete path exists.)
To handle the fact the directory might exist, catch OSError. (If exist_ok is False (the default), an OSError is raised if the target directory already exists.)

import os
try:
    os.makedirs('./path/to/somewhere')
except OSError:
    pass

How to support different screen size in android

Beginning with Android 3.2 (API level 13), size groups (folders small, normal, large, xlarge) are deprecated in favor of a new technique for managing screen sizes based on the available screen width.

There are different resource configurations that you can specify based on the space available for your layout:

1) Smallest Width - The fundamental size of a screen, as indicated by the shortest dimension of the available screen area.

Qualifier Value: sw'dp value'dp

Eg. res/sw600dp/layout.xml -> will be used for all screen sizes bigger or equal to 600dp. This does not take the device orientation into account.

2) Available Screen Width - Specifies a minimum available width in dp units at which the resources should be used.

Qualifier Value: w'dp value'dp

Eg. res/w600dp/layout.xml -> will be used for all screens, which width is greater than or equal to 600dp.

3) Available Screen Height - Specifies a minimum screen height in dp units at which the resources should be used.

Qualifier Value: h'dp value'dp

Eg. res/h600dp/layout.xml -> will be used for all screens, which height is greater than or equal to 600dp.

So at the end your folder structure might look like this:

res/layout/layout.xml -> for handsets (smaller than 600dp available width)
res/layout-sw600dp/layout.xml -> for 7” tablets (600dp wide and bigger)
res/layout-sw720dp/layout.xml -> for 10” tablets (720dp wide and bigger)

For more information please read the official documentation:
https://developer.android.com/guide/practices/screens_support.html#DeclaringTabletLayouts

AngularJS $http, CORS and http authentication

For making a CORS request one must add headers to the request along with the same he needs to check of mode_header is enabled in Apache.

For enabling headers in Ubuntu:

sudo a2enmod headers

For php server to accept request from different origin use:

Header set Access-Control-Allow-Origin *
Header set Access-Control-Allow-Methods "GET, POST, PUT, DELETE"
Header always set Access-Control-Allow-Headers "x-requested-with, Content-Type, origin, authorization, accept, client-security-token"

jQuery and TinyMCE: textarea value doesn't submit

You can configure TinyMCE as follows to keep the values of hidden textareas in sync as changes are made via TinyMCE editors:

tinymce.init({
    selector: "textarea",
    setup: function (editor) {
        editor.on('change', function () {
            editor.save();
        });
    }
});

The textarea elements will be kept up to date automatically and you won't need any extra steps before serializing forms etc.

This has been tested on TinyMCE 4.0

Demo running at: http://jsfiddle.net/9euk9/49/

Update: The code above has been updated based on DOOManiac's comment

Handling NULL values in Hive

Try using isnull(a), isnotnull(a), nvl(), etc. On some versions(potentially in conjunction with the server settings - atleast with the one I am working on) of hive the 'IS NULL' and 'IS NOT NULL' syntax does not execute the logic when it is compiled. Check here for more information.

How to change icon on Google map marker

var marker = new google.maps.Marker({
                position: new google.maps.LatLng(23.016427,72.571156),
                map: map,
                icon: 'images/map_marker_icon.png',
                title: 'Hi..!'
            });

apply local path on icon only

Finding Number of Cores in Java

If you want to dubbel check the amount of cores you have on your machine to the number your java program is giving you.

In Linux terminal: lscpu

In Windows terminal (cmd): echo %NUMBER_OF_PROCESSORS%

In Mac terminal: sysctl -n hw.ncpu

store return json value in input hidden field

You can store it in a hidden field, OR store it in a javascript object (my preference) as the likely access will be via javascript.

NOTE: since you have an array, this would then be accessed as myvariable[0] for the first element (as you have it).

EDIT show example:

clip...
            success: function(msg)
            {
                LoadProviders(msg);
            },
...

var myvariable ="";

function LoadProviders(jdata)
{
  myvariable = jdata;
};
alert(myvariable[0].id);// shows "15aea3fa" in the alert

EDIT: Created this page:http://jsfiddle.net/GNyQn/ to demonstrate the above. This example makes the assumption that you have already properly returned your named string values in the array and simply need to store it per OP question. In the example, I also put the values of the first array returned (per OP example) into a div as text.

I am not sure why this has been viewed as "complex" as I see no simpler way to handle these strings in this array.

When do items in HTML5 local storage expire?

While local storage does not supply an expiration mechanism, cookies do. Simply pairing a local storage key with a cookie provides an easy way to ensure that local storage can be updated with the same expiration parameters as a cookie.

Example in jQuery:

if (!$.cookie('your_key') || !localStorage.getItem('your_key')) {
    //get your_data from server, then...
    localStorage.setItem('your_key', 'your_data' );
    $.cookie('your_key', 1);
} else {
    var your_data = localStorage.getItem('your_key');
}
// do stuff with your_data

This example sets a cookie with the default parameter to expire when the browser is closed. Thus, when the browser is closed and re-opened, the local data store for your_data gets refreshed by a server-side call.

Note that this is not exactly the same as removing the local data store, it is instead updating the local data store whenever the cookie expires. However, if your main goal is to be able to store more than 4K client-side (the limitation for cookie size), this pairing of cookie and local storage will help you to accomplish a larger storage size using the same expiration parameters as a cookie.

ExecuteNonQuery doesn't return results

You use EXECUTENONQUERY() for INSERT,UPDATE and DELETE.

But for SELECT you must use EXECUTEREADER().........

Javascript Array Alert

If you want to see the array as an array, you can say

alert(JSON.stringify(aCustomers));

instead of all those document.writes.

http://jsfiddle.net/5b2eb/

However, if you want to display them cleanly, one per line, in your popup, do this:

alert(aCustomers.join("\n"));

http://jsfiddle.net/5b2eb/1/

No Persistence provider for EntityManager named

After <persistence-unit name="agisdb">, define the persistence provider name:

<provider>org.hibernate.ejb.HibernatePersistence</provider>

How to convert datetime to timestamp using C#/.NET (ignoring current timezone)

At the moment you're calling ToUniversalTime() - just get rid of that:

private long ConvertToTimestamp(DateTime value)
{
    long epoch = (value.Ticks - 621355968000000000) / 10000000;
    return epoch;
}

Alternatively, and rather more readably IMO:

private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
...

private static long ConvertToTimestamp(DateTime value)
{
    TimeSpan elapsedTime = value - Epoch;
    return (long) elapsedTime.TotalSeconds;
}

EDIT: As noted in the comments, the Kind of the DateTime you pass in isn't taken into account when you perform subtraction. You should really pass in a value with a Kind of Utc for this to work. Unfortunately, DateTime is a bit broken in this respect - see my blog post (a rant about DateTime) for more details.

You might want to use my Noda Time date/time API instead which makes everything rather clearer, IMO.

How to set a string's color

setColor(). Assuming you use Graphics g in an AWT context.

Please refer to the documentation for additional information.

Declaring functions in JSP?

You need to enclose that in <%! %> as follows:

<%!

public String getQuarter(int i){
String quarter;
switch(i){
        case 1: quarter = "Winter";
        break;

        case 2: quarter = "Spring";
        break;

        case 3: quarter = "Summer I";
        break;

        case 4: quarter = "Summer II";
        break;

        case 5: quarter = "Fall";
        break;

        default: quarter = "ERROR";
}

return quarter;
}

%>

You can then invoke the function within scriptlets or expressions:

<%
     out.print(getQuarter(4));
%>

<%= getQuarter(17) %>

Use ffmpeg to add text subtitles

Simple Example:

videoSource=test.mp4
videoEncoded=test2.mp4
videoSubtitle=test.srt
videoFontSize=24
ffmpeg -i "$videoSource" -vf subtitles="$videoSubtitle":force_style='Fontsize="$videoFontSize"' "$videoEncoded"

Only replace the linux variables

File changed listener in Java

There is a lib called jnotify that wraps inotify on linux and has also support for windows. Never used it and I don't know how good it is, but it's worth a try I'd say.

sql query with multiple where statements

You need to consider that GROUP BY happens after the WHERE clause conditions have been evaluated. And the WHERE clause always considers only one row, meaning that in your query, the meta_key conditions will always prevent any records from being selected, since one column cannot have multiple values for one row.

And what about the redundant meta_value checks? If a value is allowed to be both smaller and greater than a given value, then its actual value doesn't matter at all - the check can be omitted.

According to one of your comments you want to check for places less than a certain distance from a given location. To get correct distances, you'd actually have to use some kind of proper distance function (see e.g. this question for details). But this SQL should give you an idea how to start:

SELECT items.* FROM items i, meta_data m1, meta_data m2
    WHERE i.item_id = m1.item_id and i.item_id = m2.item_id
    AND m1.meta_key = 'lat' AND m1.meta_value >= 55 AND m1.meta_value <= 65
    AND m2.meta_key = 'lng' AND m2.meta_value >= 20 AND m2.meta_value <= 30

Using grep and sed to find and replace a string

If you are to replace a fixed string or some pattern, I would also like to add the bash builtin pattern string replacement variable substitution construct. Instead of describing it myself, I am quoting the section from the bash manual:

${parameter/pattern/string}

The pattern is expanded to produce a pattern just as in pathname expansion. parameter is expanded and the longest match of pattern against its value is replaced with string. If pattern begins with /, all matches of pattern are replaced with string. Normally only the first match is replaced. If pattern begins with #, it must match at the beginning of the expanded value of parameter. If pattern begins with %, it must match at the end of the expanded value of parameter. If string is null, matches of pattern are deleted and the / following pattern may be omitted. If parameter is @ or *, the substitution operation is applied to each positional parameter in turn, and the expansion is the resultant list. If parameter is an array variable subscripted with @ or *, the substitution operation is applied to each member of the array in turn, and the expansion is the resultant list.

How to set width of a p:column in a p:dataTable in PrimeFaces 3.0?

Inline styling would work in any case

  <p-column field="Quantity" header="Qté" [style]="{'width':'48px'}">

What's a .sh file?

open the location in terminal then type these commands 1. chmod +x filename.sh 2. ./filename.sh that's it

Center/Set Zoom of Map to cover all visible Markers?

The size of array must be greater than zero. ?therwise you will have unexpected results.

function zoomeExtends(){
  var bounds = new google.maps.LatLngBounds();
  if (markers.length>0) { 
      for (var i = 0; i < markers.length; i++) {
         bounds.extend(markers[i].getPosition());
        }    
        myMap.fitBounds(bounds);
    }
}

Finding partial text in range, return an index

You can use "wildcards" with MATCH so assuming "ASDFGHJK" in H1 as per Peter's reply you can use this regular formula

=INDEX(G:G,MATCH("*"&H1&"*",G:G,0)+3)

MATCH can only reference a single column or row so if you want to search 6 columns you either have to set up a formula with 6 MATCH functions or change to another approach - try this "array formula", assuming search data in A2:G100

=INDIRECT("R"&REPLACE(TEXT(MIN(IF(ISNUMBER(SEARCH(H1,A2:G100)),(ROW(A2:G100)+3)*1000+COLUMN(A2:G100))),"000000"),4,0,"C"),FALSE)

confirmed with Ctrl-Shift-Enter

Adb Devices can't find my phone

I have a Fascinate as well, and had to change the phone's USB communication mode from MODEM to PDA. Use:

enter **USBUI (**87284)

to change both USB and UART to PDA mode. I also had to disconnect and reconnect the USB cable. Once Windows re-recognized the device again, "adb devices" started returning my device.

BTW if you use CDMA workshop or the equivalent, you will need to switch the setting back to MODEM.

How to create a custom-shaped bitmap marker with Android map API v2

From lambda answer, I have made something closer to the requirements.

boolean imageCreated = false;

Bitmap bmp = null;
Marker currentLocationMarker;
private void doSomeCustomizationForMarker(LatLng currentLocation) {
    if (!imageCreated) {
        imageCreated = true;
        Bitmap.Config conf = Bitmap.Config.ARGB_8888;
        bmp = Bitmap.createBitmap(400, 400, conf);
        Canvas canvas1 = new Canvas(bmp);

        Paint color = new Paint();
        color.setTextSize(30);
        color.setColor(Color.WHITE);

        BitmapFactory.Options opt = new BitmapFactory.Options();
        opt.inMutable = true;

        Bitmap imageBitmap=BitmapFactory.decodeResource(getResources(),
                R.drawable.messi,opt);
        Bitmap resized = Bitmap.createScaledBitmap(imageBitmap, 320, 320, true);
        canvas1.drawBitmap(resized, 40, 40, color);

        canvas1.drawText("Le Messi", 30, 40, color);

        currentLocationMarker = mMap.addMarker(new MarkerOptions().position(currentLocation)
                .icon(BitmapDescriptorFactory.fromBitmap(bmp))
                // Specifies the anchor to be at a particular point in the marker image.
                .anchor(0.5f, 1));
    } else {
        currentLocationMarker.setPosition(currentLocation);
    }

}

How to upload files to server using Putty (ssh)

You need an scp client. Putty is not one. You can use WinSCP or PSCP. Both are free software.

Iterating through a JSON object

Your loading of the JSON data is a little fragile. Instead of:

json_raw= raw.readlines()
json_object = json.loads(json_raw[0])

you should really just do:

json_object = json.load(raw)

You shouldn't think of what you get as a "JSON object". What you have is a list. The list contains two dicts. The dicts contain various key/value pairs, all strings. When you do json_object[0], you're asking for the first dict in the list. When you iterate over that, with for song in json_object[0]:, you iterate over the keys of the dict. Because that's what you get when you iterate over the dict. If you want to access the value associated with the key in that dict, you would use, for example, json_object[0][song].

None of this is specific to JSON. It's just basic Python types, with their basic operations as covered in any tutorial.

ALTER TABLE DROP COLUMN failed because one or more objects access this column

You need to do a few things:

You first need to check if the constrain exits in the information schema
then you need to query by joining the sys.default_constraints and sys.columns if the columns and default_constraints have the same object ids
When you join in step 2, you would get the constraint name from default_constraints. You drop that constraint. Here is an example of one such drops I did.

-- 1. Remove constraint and drop column
IF EXISTS(SELECT *
          FROM INFORMATION_SCHEMA.COLUMNS
          WHERE TABLE_NAME = N'TABLE_NAME'
            AND COLUMN_NAME = N'LOWER_LIMIT')
   BEGIN
    DECLARE @sql NVARCHAR(MAX)
    WHILE 1=1
        BEGIN
            SELECT TOP 1 @sql = N'alter table [TABLE_NAME] drop constraint ['+dc.name+N']'
            FROM sys.default_constraints dc
            JOIN sys.columns c
            ON c.default_object_id = dc.object_id
            WHERE dc.parent_object_id = OBJECT_ID('[TABLE_NAME]') AND c.name = N'LOWER_LIMIT'
            IF @@ROWCOUNT = 0
                BEGIN
                    PRINT 'DELETED Constraint on column LOWER_LIMIT'
                    BREAK
                END
        EXEC (@sql)
    END;
    ALTER TABLE TABLE_NAME DROP COLUMN LOWER_LIMIT;
    PRINT 'DELETED column LOWER_LIMIT'
   END
ELSE
   PRINT 'Column LOWER_LIMIT does not exist'
GO

Error : ORA-01704: string literal too long

What are you using when operate with CLOB?

In all events you can do it with PL/SQL

DECLARE
  str varchar2(32767);
BEGIN
  str := 'Very-very-...-very-very-very-very-very-very long string value';
  update t1 set col1 = str;
END;
/

Proof link on SQLFiddle

How can I determine the type of an HTML element in JavaScript?

nodeName is the attribute you are looking for. For example:

var elt = document.getElementById('foo');
console.log(elt.nodeName);

Note that nodeName returns the element name capitalized and without the angle brackets, which means that if you want to check if an element is an <div> element you could do it as follows:

elt.nodeName == "DIV"

While this would not give you the expected results:

elt.nodeName == "<div>"

How to make a ssh connection with python?

Notice that this doesn't work in Windows.
The module pxssh does exactly what you want:
For example, to run 'ls -l' and to print the output, you need to do something like that :

from pexpect import pxssh
s = pxssh.pxssh()
if not s.login ('localhost', 'myusername', 'mypassword'):
    print "SSH session failed on login."
    print str(s)
else:
    print "SSH session login successful"
    s.sendline ('ls -l')
    s.prompt()         # match the prompt
    print s.before     # print everything before the prompt.
    s.logout()

Some links :
Pxssh docs : http://dsnra.jpl.nasa.gov/software/Python/site-packages/Contrib/pxssh.html
Pexpect (pxssh is based on pexpect) : http://pexpect.readthedocs.io/en/stable/

403 Forbidden vs 401 Unauthorized HTTP responses

In the case of 401 vs 403, this has been answered many times. This is essentially a 'HTTP request environment' debate, not an 'application' debate.

There seems to be a question on the roll-your-own-login issue (application).

In this case, simply not being logged in is not sufficient to send a 401 or a 403, unless you use HTTP Auth vs a login page (not tied to setting HTTP Auth). It sounds like you may be looking for a "201 Created", with a roll-your-own-login screen present (instead of the requested resource) for the application-level access to a file. This says:

"I heard you, it's here, but try this instead (you are not allowed to see it)"

javascript date + 7 days

The simple way to get a date x days in the future is to increment the date:

function addDays(dateObj, numDays) {
  return dateObj.setDate(dateObj.getDate() + numDays);
}

Note that this modifies the supplied date object, e.g.

function addDays(dateObj, numDays) {
   dateObj.setDate(dateObj.getDate() + numDays);
   return dateObj;
}

var now = new Date();
var tomorrow = addDays(new Date(), 1);
var nextWeek = addDays(new Date(), 7);

alert(
    'Today: ' + now +
    '\nTomorrow: ' + tomorrow +
    '\nNext week: ' + nextWeek
);

How do you perform address validation?

I will refer you to my blog post - A lesson in address storage, I go into some of the techniques and algorithms used in the process of address validation. My key thought is "Don't be lazy with address storage, it will cause you nothing but headaches in the future!"

Also, there is another StackOverflow question that asks this question. Entitled How should international geographic addresses be stored in a relational database.

Example: Communication between Activity and Service using Messaging

Everything is fine.Good example of activity/service communication using Messenger.

One comment : the method MyService.isRunning() is not required.. bindService() can be done any number of times. no harm in that.

If MyService is running in a different process then the static function MyService.isRunning() will always return false. So there is no need of this function.

Change the On/Off text of a toggle button Android

Yes you can change the on / off button

    android:textOn="Light ON"
    android:textOff="Light OFF"

Refer for more

http://androidcoding.in/2016/09/11/android-tutorial-toggle-button

Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit

I found this page in the documentation which has an objective-c enum for all of the error codes under the NSURLErrorDomain.

https://developer.apple.com/library/ios/documentation/Cocoa/Reference/Foundation/Miscellaneous/Foundation_Constants/index.html#//apple_ref/doc/constant_group/URL_Loading_System_Error_Codes

Ubuntu: Using curl to download an image

If you want to keep the original name — use uppercase -O

curl -O https://www.python.org/static/apple-touch-icon-144x144-precomposed.png

If you want to save remote file with a different name — use lowercase -o

curl -o myPic.png https://www.python.org/static/apple-touch-icon-144x144-precomposed.png

What is attr_accessor in Ruby?

I think part of what confuses new Rubyists/programmers (like myself) is:

"Why can't I just tell the instance it has any given attribute (e.g., name) and give that attribute a value all in one swoop?"

A little more generalized, but this is how it clicked for me:

Given:

class Person
end

We haven't defined Person as something that can have a name or any other attributes for that matter.

So if we then:

baby = Person.new

...and try to give them a name...

baby.name = "Ruth"

We get an error because, in Rubyland, a Person class of object is not something that is associated with or capable of having a "name" ... yet!

BUT we can use any of the given methods (see previous answers) as a way to say, "An instance of a Person class (baby) can now have an attribute called 'name', therefore we not only have a syntactical way of getting and setting that name, but it makes sense for us to do so."

Again, hitting this question from a slightly different and more general angle, but I hope this helps the next instance of class Person who finds their way to this thread.

How do I serialize a C# anonymous type to a JSON string?

Try the JavaScriptSerializer instead of the DataContractJsonSerializer

JavaScriptSerializer serializer = new JavaScriptSerializer();
var output = serializer.Serialize(your_anon_object);

Pycharm and sys.argv arguments

Notice that for some unknown reason, it is not possible to add command line arguments in the PyCharm Edu version. It can be only done in Professional and Community editions.

Ternary operator (?:) in Bash

If the condition is merely checking if a variable is set, there's even a shorter form:

a=${VAR:-20}

will assign to a the value of VAR if VAR is set, otherwise it will assign it the default value 20 -- this can also be a result of an expression.

This approach is technically called "Parameter Expansion".

Windows equivalent of linux cksum command

In the year 2019, Microsoft offers the following solution for Windows 10. This solution works for SHA256 checksum.

https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/get-filehash?view=powershell-6

Press the Windows key. Type PowerShell. Select Windows Powershell. Press Enter key. Paste the command

Get-FileHash C:\Users\Donald\Downloads\File-to-be-checked-by-sha256.exe | Format-List

Replace File-to-be-checked-by-sha256.exe by the name of your file to be checked.

Replace the path to your path where the file is. Press Enter key. Powershell shows then the following

Algorithm : SHA256 Hash : 123456789ABCDEFGH1234567890... Path : C:\Users\Donald\Downloads\File-to-be-checked-by-sha256.exe

Standard deviation of a list

In python 2.7 you can use NumPy's numpy.std() gives the population standard deviation.

In Python 3.4 statistics.stdev() returns the sample standard deviation. The pstdv() function is the same as numpy.std().

MySQL Multiple Where Clause

May be using this query you don't get any result or empty result. You need to use OR instead of AND in your query like below.

$query = mysql_query("SELECT image_id FROM list WHERE (style_id = 24 AND style_value = 'red') OR (style_id = 25 AND style_value = 'big') OR (style_id = 27 AND style_value = 'round');

Try out this query.

How to get the range of occupied cells in excel sheet

See the Range.SpecialCells method. For example, to get cells with constant values or formulas use:

_xlWorksheet.UsedRange.SpecialCells(
        Microsoft.Office.Interop.Excel.XlCellType.xlCellTypeConstants |
        Microsoft.Office.Interop.Excel.XlCellType.xlCellTypeFormulas)

Adding options to select with javascript

None of the above solutions worked for me. Append method didn't give error when i tried but it didn't solve my problem. In the end i solved my problem with data property of select2. I used json and got the array and then give it in select2 element initialize. For more detail you can see my answer at below post.

https://stackoverflow.com/a/41297283/4928277

Make a bucket public in Amazon S3

You can set a bucket policy as detailed in this blog post:

http://ariejan.net/2010/12/24/public-readable-amazon-s3-bucket-policy/

As per @robbyt's suggestion, create a bucket policy with the following JSON:

{
  "Version": "2008-10-17",
  "Statement": [{
    "Sid": "AllowPublicRead",
    "Effect": "Allow",
    "Principal": { "AWS": "*" },
    "Action": ["s3:GetObject"],
    "Resource": ["arn:aws:s3:::bucket/*" ]
  }]
}

Important: replace bucket in the Resource line with the name of your bucket.

How to select all checkboxes with jQuery?

Faced with the problem, none of the above answers do not work. The reason was in jQuery Uniform plugin (work with theme metronic).I hope the answer will be useful :)

Work with jQuery Uniform

$('#select-all').change(function() {
    var $this = $(this);
    var $checkboxes = $this.closest('form')
        .find(':checkbox');

    $checkboxes.prop('checked', $this.is(':checked'))
        .not($this)
        .change();
});

Adding a month to a date in T SQL

Use DATEADD:

DATEADD(month, 1, reference_dt)

Entity Framework change connection at runtime

I have two extension methods to convert the normal connection string to the Entity Framework format. This version working well with class library projects without copying the connection strings from app.config file to the primary project. This is VB.Net but easy to convert to C#.

Public Module Extensions

    <Extension>
    Public Function ToEntityConnectionString(ByRef sqlClientConnStr As String, ByVal modelFileName As String, Optional ByVal multipleActiceResultSet As Boolean = True)
        Dim sqlb As New SqlConnectionStringBuilder(sqlClientConnStr)
        Return ToEntityConnectionString(sqlb, modelFileName, multipleActiceResultSet)
    End Function

    <Extension>
    Public Function ToEntityConnectionString(ByRef sqlClientConnStrBldr As SqlConnectionStringBuilder, ByVal modelFileName As String, Optional ByVal multipleActiceResultSet As Boolean = True)
        sqlClientConnStrBldr.MultipleActiveResultSets = multipleActiceResultSet
        sqlClientConnStrBldr.ApplicationName = "EntityFramework"

        Dim metaData As String = "metadata=res://*/{0}.csdl|res://*/{0}.ssdl|res://*/{0}.msl;provider=System.Data.SqlClient;provider connection string='{1}'"
        Return String.Format(metaData, modelFileName, sqlClientConnStrBldr.ConnectionString)
    End Function

End Module

After that I create a partial class for DbContext:

Partial Public Class DlmsDataContext

    Public Shared Property ModelFileName As String = "AvrEntities" ' (AvrEntities.edmx)

    Public Sub New(ByVal avrConnectionString As String)
        MyBase.New(CStr(avrConnectionString.ToEntityConnectionString(ModelFileName, True)))
    End Sub

End Class

Creating a query:

Dim newConnectionString As String = "Data Source=.\SQLEXPRESS;Initial Catalog=DB;Persist Security Info=True;User ID=sa;Password=pass"

Using ctx As New DlmsDataContext(newConnectionString)
    ' ...
    ctx.SaveChanges()
End Using

Browser Timeouts

You can see the default value in Chrome in this link

int64_t g_used_idle_socket_timeout_s = 300 // 5 minutes

In Chrome, as far as I know, there isn't an easy way (as Firefox do) to change the timeout value.

What is pycache?

A __pycache__ folder is created when you use the line:

import file_name

or try to get information from another file you have created. This makes it a little faster when running your program the second time to open the other file.

Can I have an onclick effect in CSS?

Okay, this maybe an old post... but was first result in google and decided to make your own mix on this as..

FIRSTLY I WILL USE FOCUS

The reason for this is that it works nicely for the example i'm showing, if someone wants a mouse down type event then use active

THE HTML CODE:

<button class="mdT mdI1" ></button>
<button class="mdT mdI2" ></button>
<button class="mdT mdI3" ></button>
<button class="mdT mdI4" ></button>

THE CSS CODE:

/* Change Button Size/Border/BG Color And Align To Middle */
    .mdT {
        width:96px;
        height:96px;
        border:0px;
        outline:0;
        vertical-align:middle;
        background-color:#AAAAAA;
    }
    .mdT:focus {
        width:256px;
        height:256px;
    }

/* Change Images Depending On Focus */
    .mdI1       {   background-image:url('http://placehold.it/96x96/AAAAAA&text=img1');     }
    .mdI1:focus {   background-image:url('http://placehold.it/256x256/555555&text=Image+1');   }
    .mdI2       {   background-image:url('http://placehold.it/96x96/AAAAAA&text=img2');     }
    .mdI2:focus {   background-image:url('http://placehold.it/256x256/555555&text=Image+2');   }
    .mdI3       {   background-image:url('http://placehold.it/96x96/AAAAAA&text=img3');     }
    .mdI3:focus {   background-image:url('http://placehold.it/256x256/555555&text=Image+3');   }
    .mdI4       {   background-image:url('http://placehold.it/96x96/AAAAAA&text=img4');     }
    .mdI4:focus {   background-image:url('http://placehold.it/256x256/555555&text=Image+4');   }

JS FIDDLE LINK: http://jsfiddle.net/00wwkjux/

So why am i posting this in an old thread, well because the examples here vary and i thought to provide one back to the community which is a working example.

As already answered by the thread creator, they only want the effect to last during the click event. Now while this is not exact for that need, its close. active will animate while the mouse is down and any changes that you need to have last longer need to be done with javascript.

What are all the user accounts for IIS/ASP.NET and how do they differ?

This is a very good question and sadly many developers don't ask enough questions about IIS/ASP.NET security in the context of being a web developer and setting up IIS. So here goes....

To cover the identities listed:

IIS_IUSRS:

This is analogous to the old IIS6 IIS_WPG group. It's a built-in group with it's security configured such that any member of this group can act as an application pool identity.

IUSR:

This account is analogous to the old IUSR_<MACHINE_NAME> local account that was the default anonymous user for IIS5 and IIS6 websites (i.e. the one configured via the Directory Security tab of a site's properties).

For more information about IIS_IUSRS and IUSR see:

Understanding Built-In User and Group Accounts in IIS 7

DefaultAppPool:

If an application pool is configured to run using the Application Pool Identity feature then a "synthesised" account called IIS AppPool\<pool name> will be created on the fly to used as the pool identity. In this case there will be a synthesised account called IIS AppPool\DefaultAppPool created for the life time of the pool. If you delete the pool then this account will no longer exist. When applying permissions to files and folders these must be added using IIS AppPool\<pool name>. You also won't see these pool accounts in your computers User Manager. See the following for more information:

Application Pool Identities

ASP.NET v4.0: -

This will be the Application Pool Identity for the ASP.NET v4.0 Application Pool. See DefaultAppPool above.

NETWORK SERVICE: -

The NETWORK SERVICE account is a built-in identity introduced on Windows 2003. NETWORK SERVICE is a low privileged account under which you can run your application pools and websites. A website running in a Windows 2003 pool can still impersonate the site's anonymous account (IUSR_ or whatever you configured as the anonymous identity).

In ASP.NET prior to Windows 2008 you could have ASP.NET execute requests under the Application Pool account (usually NETWORK SERVICE). Alternatively you could configure ASP.NET to impersonate the site's anonymous account via the <identity impersonate="true" /> setting in web.config file locally (if that setting is locked then it would need to be done by an admin in the machine.config file).

Setting <identity impersonate="true"> is common in shared hosting environments where shared application pools are used (in conjunction with partial trust settings to prevent unwinding of the impersonated account).

In IIS7.x/ASP.NET impersonation control is now configured via the Authentication configuration feature of a site. So you can configure to run as the pool identity, IUSR or a specific custom anonymous account.

LOCAL SERVICE:

The LOCAL SERVICE account is a built-in account used by the service control manager. It has a minimum set of privileges on the local computer. It has a fairly limited scope of use:

LocalService Account

LOCAL SYSTEM:

You didn't ask about this one but I'm adding for completeness. This is a local built-in account. It has fairly extensive privileges and trust. You should never configure a website or application pool to run under this identity.

LocalSystem Account

In Practice:

In practice the preferred approach to securing a website (if the site gets its own application pool - which is the default for a new site in IIS7's MMC) is to run under Application Pool Identity. This means setting the site's Identity in its Application Pool's Advanced Settings to Application Pool Identity:

enter image description here

In the website you should then configure the Authentication feature:

enter image description here

Right click and edit the Anonymous Authentication entry:

enter image description here

Ensure that "Application pool identity" is selected:

enter image description here

When you come to apply file and folder permissions you grant the Application Pool identity whatever rights are required. For example if you are granting the application pool identity for the ASP.NET v4.0 pool permissions then you can either do this via Explorer:

enter image description here

Click the "Check Names" button:

enter image description here

Or you can do this using the ICACLS.EXE utility:

icacls c:\wwwroot\mysite /grant "IIS AppPool\ASP.NET v4.0":(CI)(OI)(M)

...or...if you site's application pool is called BobsCatPicBlogthen:

icacls c:\wwwroot\mysite /grant "IIS AppPool\BobsCatPicBlog":(CI)(OI)(M)

I hope this helps clear things up.

Update:

I just bumped into this excellent answer from 2009 which contains a bunch of useful information, well worth a read:

The difference between the 'Local System' account and the 'Network Service' account?

$date + 1 year?

I prefer the OO approach:

$date = new \DateTimeImmutable('today'); //'today' gives midnight, leave blank for current time.
$futureDate = $date->add(\DateInterval::createFromDateString('+1 Year'))

Use DateTimeImmutable otherwise you will modify the original date too! more on DateTimeImmutable: http://php.net/manual/en/class.datetimeimmutable.php

If you just want from todays date then you can always do:

new \DateTimeImmutable('-1 Month');

Getting data from Yahoo Finance

To your first question, you can't really do any query through YQL to get data for all companies. It's more oriented towards obtaining data for a smaller query. (I.e., it's not going to give you a full data dump of the whole Yahoo! Finance database.)

To your second question, here's how you can get started exploring the Yahoo! Finance tables in YQL:

Start at the YQL Console
In the upper left corner, make sure Show Community Tables is checked
Type finance in the search field
You'll see all the Yahoo Finance tables (about 15)

Then you can try some example queries like the following:

select * from yahoo.finance.quote where symbol in ("YHOO","AAPL","GOOG","MSFT")

Update 2016-04-04: Here's a current screenshot showing the location of the Show Community Tables checkbox which must be clicked to see these finance tables:

Code for printf function in C

Here's the GNU version of printf... you can see it passing in stdout to vfprintf:

__printf (const char *format, ...)
{
   va_list arg;
   int done;

   va_start (arg, format);
   done = vfprintf (stdout, format, arg);
   va_end (arg);

   return done;
}

See here.

Here's a link to vfprintf... all the formatting 'magic' happens here.

The only thing that's truly 'different' about these functions is that they use varargs to get at arguments in a variable length argument list. Other than that, they're just traditional C. (This is in contrast to Pascal's printf equivalent, which is implemented with specific support in the compiler... at least it was back in the day.)

phpinfo() is not working on my CentOS server

Save the page which contains

<?php
    phpinfo();
?>

with the .php extension. Something like info.php, not info.html...

How to insert a new key value pair in array in php?

Try this:

foreach($array as $k => $obj) { 
    $obj->{'newKey'} = "value"; 
}

Rails create or update magic?

Rails 6

Rails 6 added an upsert and upsert_all methods that deliver this functionality.

Model.upsert(column_name: value)

[upsert] It does not instantiate any models nor does it trigger Active Record callbacks or validations.

Rails 5, 4, and 3

Not if you are looking for an "upsert" (where the database executes an update or an insert statement in the same operation) type of statement. Out of the box, Rails and ActiveRecord have no such feature. You can use the upsert gem, however.

Otherwise, you can use: find_or_initialize_by or find_or_create_by, which offer similar functionality, albeit at the cost of an additional database hit, which, in most cases, is hardly an issue at all. So unless you have serious performance concerns, I would not use the gem.

For example, if no user is found with the name "Roger", a new user instance is instantiated with its name set to "Roger".

user = User.where(name: "Roger").first_or_initialize
user.email = "[email protected]"
user.save

Alternatively, you can use find_or_initialize_by.

user = User.find_or_initialize_by(name: "Roger")

In Rails 3.

user = User.find_or_initialize_by_name("Roger")
user.email = "[email protected]"
user.save

You can use a block, but the block only runs if the record is new.

User.where(name: "Roger").first_or_initialize do |user|
  # this won't run if a user with name "Roger" is found
  user.save 
end

User.find_or_initialize_by(name: "Roger") do |user|
  # this also won't run if a user with name "Roger" is found
  user.save
end

If you want to use a block regardless of the record's persistence, use tap on the result:

User.where(name: "Roger").first_or_initialize.tap do |user|
  user.email = "[email protected]"
  user.save
end

How to get a certain element in a list, given the position?

If you frequently need to access the Nth element of a sequence, std::list, which is implemented as a doubly linked list, is probably not the right choice. std::vector or std::deque would likely be better.

That said, you can get an iterator to the Nth element using std::advance:

std::list<Object> l;
// add elements to list 'l'...

unsigned N = /* index of the element you want to retrieve */;
if (l.size() > N)
{
    std::list<Object>::iterator it = l.begin();
    std::advance(it, N);
    // 'it' points to the element at index 'N'
}

For a container that doesn't provide random access, like std::list, std::advance calls operator++ on the iterator N times. Alternatively, if your Standard Library implementation provides it, you may call std::next:

if (l.size() > N)
{
    std::list<Object>::iterator it = std::next(l.begin(), N);
}

std::next is effectively wraps a call to std::advance, making it easier to advance an iterator N times with fewer lines of code and fewer mutable variables. std::next was added in C++11.

How to get a Char from an ASCII Character Code in c#

It is important to notice that in C# the char type is stored as Unicode UTF-16.

From ASCII equivalent integer to char

char c = (char)88;

char c = Convert.ToChar(88)

From char to ASCII equivalent integer

int asciiCode = (int)'A';

The literal must be ASCII equivalent. For example:

string str = "X?????????";
Console.WriteLine((int)str[0]);
Console.WriteLine((int)str[1]);

will print

X
3626

Extended ASCII ranges from 0 to 255.

From default UTF-16 literal to char

Using the Symbol

char c = 'X';

Using the Unicode code

char c = '\u0058';

Using the Hexadecimal

char c = '\x0058';

how to prevent this error : Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in ... on line 11

The proper syntax is (in example):

$query = mysql_query('SELECT * FROM beer ORDER BY quality');
while($row = mysql_fetch_assoc($query)) $results[] = $row;

Unused arguments in R

You could use dots: ... in your function definition.

myfun <- function(a, b, ...){
  cat(a,b)
}

myfun(a=4,b=7,hello=3)

# 4 7

How do I find which rpm package supplies a file I'm looking for?

Well finding the package when you are connected to internet (repository) is easy however when you only have access to RPM packages inside Redhat or Centos DVD (this happens frequently to me when I have to recover a server and I need an application) I recommend using the commands below which is completely independent of internet and repositories. (supposably you have lots of uninstalled packages in a DVD). Let's say you have mounted Package folder in ~/cent_os_dvd and you are looking for a package that provides "semanage" then you can run:

for file in `find ~/cent_os_dvd/ -iname '*.rpm'`;  do rpm -qlp $file |grep '.*bin/semanage';  if [ $? -eq 0 ]; then echo "is in";echo $file  ; fi;  done

change html text from link with jquery

$('#a_tbnotesverbergen').text('My New Link Text');

$('#a_tbnotesverbergen').html('My New Link Text or HTML');

How to reload / refresh model data from the server programmatically?

Before I show you how to reload / refresh model data from the server programmatically? I have to explain for you the concept of Data Binding. This is an extremely powerful concept that will truly revolutionize the way you develop. So may be you have to read about this concept from this link or this seconde link in order to unterstand how AngularjS work.

now I'll show you a sample example that exaplain how can you update your model from server.

HTML Code:

<div ng-controller="PersonListCtrl">
    <ul>
        <li ng-repeat="person in persons">
            Name: {{person.name}}, Age {{person.age}}
        </li>
    </ul>
   <button ng-click="updateData()">Refresh Data</button>
</div>

So our controller named: PersonListCtrl and our Model named: persons. go to your Controller js in order to develop the function named: updateData() that will be invoked when we are need to update and refresh our Model persons.

Javascript Code:

app.controller('adsController', function($log,$scope,...){

.....

$scope.updateData = function(){
$http.get('/persons').success(function(data) {
       $scope.persons = data;// Update Model-- Line X
     });
}

});

Now I explain for you how it work: when user click on button Refresh Data, the server will call to function updateData() and inside this function we will invoke our web service by the function $http.get() and when we have the result from our ws we will affect it to our model (Line X).Dice that affects the results for our model, our View of this list will be changed with new Data.

Delete a closed pull request from GitHub

5 step to do what you want if you made the pull request from a forked repository:

reopen the pull request
checkout to the branch which you made the pull request
reset commit to the last master commit(that means remove all you new code)
git push --force
delete your forked repository which made the pull request

And everything is done, good luck!

ASP.NET MVC: What is the correct way to redirect to pages/actions in MVC?

RedirectToAction("actionName", "controllerName");

It has other overloads as well, please check up!

Also, If you are new and you are not using T4MVC, then I would recommend you to use it!

It gives you intellisence for actions,Controllers,views etc (no more magic strings)

How to SHUTDOWN Tomcat in Ubuntu?

Caveat: I'm running Ubuntu

sudo service --status-all

you can get a list of all running services by typing this command,

If you're running Tomcat as a service it will showes up as ("tomcat"), so run :

sudo service tomcat7 stop

(tomcat7 or 8 or depending to the name that you have in the list of running services )

else and if you are using apache tomcat you will see ("apache2") showing up with the list of services then run :

sudo service apache2 stop

Undo working copy modifications of one file in Git?

This answers is for command needed for undoing local changes which are in multiple specific files in same or multiple folders (or directories). This answers specifically addresses question where a user has more than one file but the user doesn't want to undo all local changes:

if you have one or more files you could apply the same command (git checkout -- file ) to each of those files by listing each of their location separated by space as in:

git checkout -- name1/name2/fileOne.ext nameA/subFolder/fileTwo.ext

mind the space above between name1/name2/fileOne.ext nameA/subFolder/fileTwo.ext

For multiple files in the same folder:

If you happen to need to discard changes for all of the files in a certain directory, use the git checkout as follows:

git checkout -- name1/name2/*

The asterisk in the above does the trick of undoing all files at that location under name1/name2.

And, similarly the following can undo changes in all files for multiple folders:

git checkout -- name1/name2/* nameA/subFolder/*

again mind the space between name1/name2/* nameA/subFolder/* in the above.

Note: name1, name2, nameA, subFolder - all of these example folder names indicate the folder or package where the file(s) in question may be residing.

HTML form with multiple "actions"

the best way (for me) to make it it's the next infrastructure:

<form method="POST">
<input type="submit" formaction="default_url_when_press_enter" style="visibility: hidden; display: none;">
<!-- all your inputs -->
<input><input><input>
<!-- all your inputs -->
<button formaction="action1">Action1</button>
<button formaction="action2">Action2</button>
<input type="submit" value="Default Action">
</form>

with this structure you will send with enter a direction and the infinite possibilities for the rest of buttons.

How to round an image with Glide library?

You can simply call the RoundedCornersTransformation constructor, which has cornerType enum input. Like this:

Glide.with(context)
            .load(bizList.get(position).getCover())
            .bitmapTransform(new RoundedCornersTransformation(context,20,0, RoundedCornersTransformation.CornerType.TOP))
            .into(holder.bizCellCoverImg);

but first you have to add Glide Transformations to your project.

urllib and "SSL: CERTIFICATE_VERIFY_FAILED" Error

Solution for Anaconda

My setup is Anaconda Python 3.7 on MacOS with a proxy. The paths are different.

This is how you get the correct certificates path:

import ssl
ssl.get_default_verify_paths()

which on my system produced

Out[35]: DefaultVerifyPaths(cafile='/miniconda3/ssl/cert.pem', capath=None,
 openssl_cafile_env='SSL_CERT_FILE', openssl_cafile='/miniconda3/ssl/cert.pem',
 openssl_capath_env='SSL_CERT_DIR', openssl_capath='/miniconda3/ssl/certs')

Once you know where the certificate goes, then you concatenate the certificate used by the proxy to the end of that file.

I had already set up conda to work with my proxy, by running:

conda config --set ssl_verify <pathToYourFile>.crt

If you don't remember where your cert is, you can find it in ~/.condarc:

ssl_verify: <pathToYourFile>.crt

Now concatenate that file to the end of /miniconda3/ssl/cert.pem and requests should work, and in particular sklearn.datasets and similar tools should work.

Further Caveats

The other solutions did not work because the Anaconda setup is slightly different:

The path Applications/Python\ 3.X simply doesn't exist.
The path provided by the commands below is the WRONG path

from requests.utils import DEFAULT_CA_BUNDLE_PATH
DEFAULT_CA_BUNDLE_PATH

How to sort a Ruby Hash by number value?

Since value is the last entry, you can do:

metrics.sort_by(&:last)

how to exit a python script in an if statement

This works fine for me:

while True:
   answer = input('Do you want to continue?:')
   if answer.lower().startswith("y"):
      print("ok, carry on then")
   elif answer.lower().startswith("n"):
      print("sayonara, Robocop")
      exit()

edit: use input in python 3.2 instead of raw_input

Less aggressive compilation with CSS3 calc

There is several escaping options with same result:

body { width: ~"calc(100% - 250px - 1.5em)"; }
body { width: calc(~"100% - 250px - 1.5em"); }
body { width: calc(100% ~"-" 250px ~"-" 1.5em); }

Plotting a fast Fourier transform in Python

I write this additional answer to explain the origins of the diffusion of the spikes when using FFT and especially discuss the scipy.fftpack tutorial with which I disagree at some point.

In this example, the recording time tmax=N*T=0.75. The signal is sin(50*2*pi*x) + 0.5*sin(80*2*pi*x). The frequency signal should contain two spikes at frequencies 50 and 80 with amplitudes 1 and 0.5. However, if the analysed signal does not have a integer number of periods diffusion can appear due to the truncation of the signal:

Pike 1: 50*tmax=37.5 => frequency 50 is not a multiple of 1/tmax => Presence of diffusion due to signal truncation at this frequency.
Pike 2: 80*tmax=60 => frequency 80 is a multiple of 1/tmax => No diffusion due to signal truncation at this frequency.

Here is a code that analyses the same signal as in the tutorial (sin(50*2*pi*x) + 0.5*sin(80*2*pi*x)), but with the slight differences:

The original scipy.fftpack example.
The original scipy.fftpack example with an integer number of signal periods (tmax=1.0 instead of 0.75 to avoid truncation diffusion).
The original scipy.fftpack example with an integer number of signal periods and where the dates and frequencies are taken from the FFT theory.

The code:

import numpy as np
import matplotlib.pyplot as plt
import scipy.fftpack

# 1. Linspace
N = 600
# Sample spacing
tmax = 3/4
T = tmax / N # =1.0 / 800.0
x1 = np.linspace(0.0, N*T, N)
y1 = np.sin(50.0 * 2.0*np.pi*x1) + 0.5*np.sin(80.0 * 2.0*np.pi*x1)
yf1 = scipy.fftpack.fft(y1)
xf1 = np.linspace(0.0, 1.0/(2.0*T), N//2)

# 2. Integer number of periods
tmax = 1
T = tmax / N # Sample spacing
x2 = np.linspace(0.0, N*T, N)
y2 = np.sin(50.0 * 2.0*np.pi*x2) + 0.5*np.sin(80.0 * 2.0*np.pi*x2)
yf2 = scipy.fftpack.fft(y2)
xf2 = np.linspace(0.0, 1.0/(2.0*T), N//2)

# 3. Correct positioning of dates relatively to FFT theory ('arange' instead of 'linspace')
tmax = 1
T = tmax / N # Sample spacing
x3 = T * np.arange(N)
y3 = np.sin(50.0 * 2.0*np.pi*x3) + 0.5*np.sin(80.0 * 2.0*np.pi*x3)
yf3 = scipy.fftpack.fft(y3)
xf3 = 1/(N*T) * np.arange(N)[:N//2]

fig, ax = plt.subplots()
# Plotting only the left part of the spectrum to not show aliasing
ax.plot(xf1, 2.0/N * np.abs(yf1[:N//2]), label='fftpack tutorial')
ax.plot(xf2, 2.0/N * np.abs(yf2[:N//2]), label='Integer number of periods')
ax.plot(xf3, 2.0/N * np.abs(yf3[:N//2]), label='Correct positioning of dates')
plt.legend()
plt.grid()
plt.show()

Output:

As it can be here, even with using an integer number of periods some diffusion still remains. This behaviour is due to a bad positioning of dates and frequencies in the scipy.fftpack tutorial. Hence, in the theory of discrete Fourier transforms:

the signal should be evaluated at dates t=0,T,...,(N-1)*T where T is the sampling period and the total duration of the signal is tmax=N*T. Note that we stop at tmax-T.
the associated frequencies are f=0,df,...,(N-1)*df where df=1/tmax=1/(N*T) is the sampling frequency. All harmonics of the signal should be multiple of the sampling frequency to avoid diffusion.

In the example above, you can see that the use of arange instead of linspace enables to avoid additional diffusion in the frequency spectrum. Moreover, using the linspace version also leads to an offset of the spikes that are located at slightly higher frequencies than what they should be as it can be seen in the first picture where the spikes are a little bit at the right of the frequencies 50 and 80.

I'll just conclude that the example of usage should be replace by the following code (which is less misleading in my opinion):

import numpy as np
from scipy.fftpack import fft

# Number of sample points
N = 600
T = 1.0 / 800.0
x = T*np.arange(N)
y = np.sin(50.0 * 2.0*np.pi*x) + 0.5*np.sin(80.0 * 2.0*np.pi*x)
yf = fft(y)
xf = 1/(N*T)*np.arange(N//2)
import matplotlib.pyplot as plt
plt.plot(xf, 2.0/N * np.abs(yf[0:N//2]))
plt.grid()
plt.show()

Output (the second spike is not diffused anymore):

I think this answer still bring some additional explanations on how to apply correctly discrete Fourier transform. Obviously, my answer is too long and there is always additional things to say (ewerlopes talked briefly about aliasing for instance and a lot can be said about windowing), so I'll stop.

I think that it is very important to understand deeply the principles of discrete Fourier transform when applying it because we all know so much people adding factors here and there when applying it in order to obtain what they want.

How to store(bitmap image) and retrieve image from sqlite database in android?

If you are working with Android's MediaStore database, here is how to store an image and then display it after it is saved.

on button click write this

 Intent in = new Intent(Intent.ACTION_PICK,
                    android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
            in.putExtra("crop", "true");
            in.putExtra("outputX", 100);
            in.putExtra("outputY", 100);
            in.putExtra("scale", true);
            in.putExtra("return-data", true);

            startActivityForResult(in, 1);

then do this in your activity

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // TODO Auto-generated method stub
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == 1 && resultCode == RESULT_OK && data != null) {

            Bitmap bmp = (Bitmap) data.getExtras().get("data");

            img.setImageBitmap(bmp);
            btnadd.requestFocus();

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            bmp.compress(Bitmap.CompressFormat.JPEG, 100, baos);
            byte[] b = baos.toByteArray();
            String encodedImageString = Base64.encodeToString(b, Base64.DEFAULT);

            byte[] bytarray = Base64.decode(encodedImageString, Base64.DEFAULT);
            Bitmap bmimage = BitmapFactory.decodeByteArray(bytarray, 0,
                    bytarray.length);

        }

    }

If greater than batch files

How to use Git for Unity3D source control?

To add to everything stated, it is also ideal to use git lfs with Unity. I have been using this since it came out and I had no trouble with it.

You will want to add this .gitattributes next to your .gitignore file

*.cs diff=csharp text
*.cginc text
*.shader text

*.mat merge=unityyamlmerge eol=lf
*.anim merge=unityyamlmerge eol=lf
*.unity merge=unityyamlmerge eol=lf
*.prefab merge=unityyamlmerge eol=lf
*.physicsMaterial2D merge=unityyamlmerge eol=lf
*.physicsMaterial merge=unityyamlmerge eol=lf
*.asset merge=unityyamlmerge eol=lf
*.meta merge=unityyamlmerge eol=lf
*.controller merge=unityyamlmerge eol=lf

*.a filter=lfs diff=lfs merge=lfs -text
*.mp3 filter=lfs diff=lfs merge=lfs -text
*.wav filter=lfs diff=lfs merge=lfs -text
*.aif filter=lfs diff=lfs merge=lfs -text
*.ttf filter=lfs diff=lfs merge=lfs -text
*.png filter=lfs diff=lfs merge=lfs -text
*.jpg filter=lfs diff=lfs merge=lfs -text
*.exr filter=lfs diff=lfs merge=lfs -text
*.fbx filter=lfs diff=lfs merge=lfs -text
*.FBX filter=lfs diff=lfs merge=lfs -text
*.rns filter=lfs diff=lfs merge=lfs -text
*.reason filter=lfs diff=lfs merge=lfs -text
*.lxo filter=lfs diff=lfs merge=lfs -text

That is my rolling file list. If you use additional binary files not listed, add them.

I also have files configured to use yamlmerge, you would need to set this up. You can read about it here: http://docs.unity3d.com/Manual/SmartMerge.html

How do I make Git use the editor of my choice for commits?

If you want to set the editor only for Git, do either (you don’t need both):

Set core.editor in your Git config: git config --global core.editor "vim"
Set the GIT_EDITOR environment variable: export GIT_EDITOR=vim

If you want to set the editor for Git and also other programs, set the standardized VISUAL and EDITOR environment variables*:

export VISUAL=vim
export EDITOR="$VISUAL"

_{* Setting both is not necessarily needed, but some programs may not use the more-correct VISUAL. See VISUAL vs. EDITOR.}

Some editors require a --wait flag, or they will open a blank page. For example:

Sublime Text (if correctly set up; or use the full path to the executable in place of subl):

export VISUAL="subl --wait"
VS Code (after adding the shell command):

export VISUAL="code --wait"

Running Groovy script from the command line

It will work on Linux kernel 2.6.28 (confirmed on 4.9.x). It won't work on FreeBSD and other Unix flavors.

Your /usr/local/bin/groovy is a shell script wrapping the Java runtime running Groovy.

See the Interpreter Scripts section of EXECVE(2) and EXECVE(2).

Redirect echo output in shell script to logfile

You can easily redirect different parts of your shell script to a file (or several files) using sub-shells:

{
  command1
  command2
  command3
  command4
} > file1
{
  command5
  command6
  command7
  command8
} > file2

Prevent Bootstrap Modal from disappearing when clicking outside or pressing escape?

If you need disable clicking outside but enable pressing escape

$('#myModal').modal({
    backdrop: 'static',   // This disable for click outside event
    keyboard: true        // This for keyboard event
})

Android Studio: Drawable Folder: How to put Images for Multiple dpi?

In android studio you may see the following folder drawable xhdpi, drawable-hdpi, drawable-mdpi and more... You can put images of different dpi in these folder accordingly and android will take care which images should be draw according to the screen density of device.

NOTE: You have to put the images with the same name.

How do you allow spaces to be entered using scanf?

/*reading string which contains spaces*/
#include<stdio.h>
int main()
{
   char *c,*p;
   scanf("%[^\n]s",c);
   p=c;                /*since after reading then pointer points to another 
                       location iam using a second pointer to store the base 
                       address*/ 
   printf("%s",p);
   return 0;
 }

How to implement OnFragmentInteractionListener

For those of you who visit this page looking for further clarification on this error, in my case the activity making the call to the fragment needed to have 2 implements in this case, like this:

public class MyActivity extends Activity implements 
    MyFragment.OnFragmentInteractionListener, 
    NavigationDrawerFragment.NaviationDrawerCallbacks {
    ...// rest of the code
}

HTML forms - input type submit problem with action=URL when URL contains index.aspx

Use method=POST then it will pass key&value.

Adding additional data to select options using jQuery

HTML Markup

<select id="select">
  <option value="1" data-foo="dogs">this</option>
  <option value="2" data-foo="cats">that</option>
  <option value="3" data-foo="gerbils">other</option>
</select>

Code

// JavaScript using jQuery
$(function(){
    $('select').change(function(){
       var selected = $(this).find('option:selected');
       var extra = selected.data('foo'); 
       ...
    });
});

// Plain old JavaScript
var sel = document.getElementById('select');
var selected = sel.options[sel.selectedIndex];
var extra = selected.getAttribute('data-foo');

See this as a working sample using jQuery here: http://jsfiddle.net/GsdCj/1/
See this as a working sample using plain JavaScript here: http://jsfiddle.net/GsdCj/2/

By using data attributes from HTML5 you can add extra data to elements in a syntactically-valid manner that is also easily accessible from jQuery.

CSS how to make scrollable list

As per your question vertical listing have a scrollbar effect.

CSS / HTML :

_x000D_

nav ul{height:200px; width:18%;}_x000D_
nav ul{overflow:hidden; overflow-y:scroll;}

_x000D_

<!DOCTYPE html>_x000D_
<html>_x000D_
    <head>_x000D_
        <meta charset="utf-8">_x000D_
        <title>JS Bin</title>_x000D_
    </head>_x000D_
    <body>_x000D_
        <header>header area</header>_x000D_
        <nav>_x000D_
            <ul>_x000D_
                <li>Link 1</li>_x000D_
                <li>Link 2</li>_x000D_
                <li>Link 3</li>_x000D_
                <li>Link 4</li>_x000D_
                <li>Link 5</li>_x000D_
                <li>Link 6</li> _x000D_
                <li>Link 7</li> _x000D_
                <li>Link 8</li>_x000D_
                <li>Link 9</li>_x000D_
                <li>Link 10</li>_x000D_
                <li>Link 11</li>_x000D_
                <li>Link 13</li>_x000D_
                <li>Link 13</li>_x000D_
_x000D_
            </ul>_x000D_
        </nav>_x000D_
        _x000D_
        <footer>footer area</footer>_x000D_
    </body>_x000D_
</html>

_x000D_

Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa

This is the full onClick handler for the Image/Button to show/hide the password.

    new OnClickListener() {
        @Override
        public void onClick(View v) {
            // current ursor position
            int cursorPosition = edtPassword.getSelectionStart();

            // toggles the control variable
            isPassworsVisible = !isPassworsVisible;

            // sets the image toggler inside edit text
            passwordVisible.setImageDrawable(getResources().getDrawable(isPassworsVisible ? R.drawable.ic_eye_checked : R.drawable.ic_eye_unchecked));

            // apply input type
            edtPassword.setInputType(isPassworsVisible ? InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD : InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);

            // returns cursor to position
            edtPassword.setSelection(cursorPosition);
        }
    };

ActiveModel::ForbiddenAttributesError when creating new user

Alternatively you can use the Protected Attributes gem, however this defeats the purpose of requiring strong params. However if you're upgrading an older app, Protected Attributes does provide an easy pathway to upgrade until such time that you can refactor the attr_accessible to strong params.

How to create a thread?

The following ways work.

// The old way of using ParameterizedThreadStart. This requires a
// method which takes ONE object as the parameter so you need to
// encapsulate the parameters inside one object.
Thread t = new Thread(new ParameterizedThreadStart(StartupA));
t.Start(new MyThreadParams(path, port));

// You can also use an anonymous delegate to do this.
Thread t2 = new Thread(delegate()
{
    StartupB(port, path);
});
t2.Start();

// Or lambda expressions if you are using C# 3.0
Thread t3 = new Thread(() => StartupB(port, path));
t3.Start();

The Startup methods have following signature for these examples.

public void StartupA(object parameters);

public void StartupB(int port, string path);

How to set back button text in Swift

override func viewWillAppear(_ animated: Bool) {

    self.tabBarController?.navigationItem.title = "Notes"

    let sendButton = UIBarButtonItem(title: "New", style: .plain, target: self, action: #selector(goToNoteEditorViewController))

    self.tabBarController?.navigationItem.rightBarButtonItem = sendButton
}

func goToNoteEditorViewController(){
   // action what you want
}

Hope it helps!! #swift 3

Python pandas: fill a dataframe row by row

This is a simpler version

import pandas as pd
df = pd.DataFrame(columns=('col1', 'col2', 'col3'))
for i in range(5):
   df.loc[i] = ['<some value for first>','<some value for second>','<some value for third>']`

How can I suppress the newline after a print statement?

There's some information on printing without newline here.

In Python 3.x we can use ‘end=’ in the print function. This tells it to end the string with a character of our choosing rather than ending with a newline. For example:

print("My 1st String", end=","); print ("My 2nd String.")

This results in:

My 1st String, My 2nd String.

Regular expression to validate US phone numbers?

The easiest way to match both

^\([0-9]{3}\)[0-9]{3}-[0-9]{4}$

and

^[0-9]{3}-[0-9]{3}-[0-9]{4}$

is to use alternation ((...|...)): specify them as two mostly-separate options:

^(\([0-9]{3}\)|[0-9]{3}-)[0-9]{3}-[0-9]{4}$

By the way, when Americans put the area code in parentheses, we actually put a space after that; for example, I'd write (123) 123-1234, not (123)123-1234. So you might want to write:

^(\([0-9]{3}\) |[0-9]{3}-)[0-9]{3}-[0-9]{4}$

(Though it's probably best to explicitly demonstrate the format that you expect phone numbers to be in.)

Run .jar from batch-file

You can create a batch file with .bat extension with the following contents

Use java for .jar that does not have UI and is a command line application

@ECHO OFF
start java -jar <your_jar_file_name>.jar

Use javaw for .jar that has a UI

@ECHO OFF
start javaw -jar <your_jar_file_name>.jar

Please make sure your JAVA_HOME is set in the environment variables.

How to draw a standard normal distribution in R

Something like this perhaps?

x<-rnorm(100000,mean=10, sd=2)
hist(x,breaks=150,xlim=c(0,20),freq=FALSE)
abline(v=10, lwd=5)
abline(v=c(4,6,8,12,14,16), lwd=3,lty=3)

Should I use 'has_key()' or 'in' on Python dicts?

There is one example where in actually kills your performance.

If you use in on a O(1) container that only implements __getitem__ and has_key() but not __contains__ you will turn an O(1) search into an O(N) search (as in falls back to a linear search via __getitem__).

Fix is obviously trivial:

def __contains__(self, x):
    return self.has_key(x)

How to get a unix script to run every 15 seconds?

Since my previous answer I came up with another solution that is different and perhaps better. This code allows processes to be run more than 60 times a minute with microsecond precision. You need the usleep program to make this work. Should be good to up to 50 times a second.

#! /bin/sh

# Microsecond Cron
# Usage: cron-ms start
# Copyright 2014 by Marc Perkel
# docs at http://wiki.junkemailfilter.com/index.php/How_to_run_a_Linux_script_every_few_seconds_under_cron"
# Free to use with attribution

basedir=/etc/cron-ms

if [ $# -eq 0 ]
then
   echo
   echo "cron-ms by Marc Perkel"
   echo
   echo "This program is used to run all programs in a directory in parallel every X times per minute."
   echo "Think of this program as cron with microseconds resolution."
   echo
   echo "Usage: cron-ms start"
   echo
   echo "The scheduling is done by creating directories with the number of"
   echo "executions per minute as part of the directory name."
   echo
   echo "Examples:"
   echo "  /etc/cron-ms/7      # Executes everything in that directory  7 times a minute"
   echo "  /etc/cron-ms/30     # Executes everything in that directory 30 times a minute"
   echo "  /etc/cron-ms/600    # Executes everything in that directory 10 times a second"
   echo "  /etc/cron-ms/2400   # Executes everything in that directory 40 times a second"
   echo
   exit
fi

# If "start" is passed as a parameter then run all the loops in parallel
# The number of the directory is the number of executions per minute
# Since cron isn't accurate we need to start at top of next minute

if [ $1 = start ]
then
   for dir in $basedir/* ; do
      $0 ${dir##*/} 60000000 &
   done
   exit
fi

# Loops per minute and the next interval are passed on the command line with each loop

loops=$1
next_interval=$2

# Sleeps until a specific part of a minute with microsecond resolution. 60000000 is full minute

usleep $(( $next_interval - 10#$(date +%S%N) / 1000 ))

# Run all the programs in the directory in parallel

for program in $basedir/$loops/* ; do
   if [ -x $program ] 
   then
      $program &> /dev/null &
   fi
done

# Calculate next_interval

next_interval=$(($next_interval % 60000000 + (60000000 / $loops) ))

# If minute is not up - call self recursively

if [ $next_interval -lt $(( 60000000 / $loops * $loops)) ]
then
   . $0 $loops $next_interval &
fi

# Otherwise we're done

Auto select file in Solution Explorer from its open tab

That's the screenshot of the answer for your question.

TypeError: 'NoneType' object has no attribute 'getitem'

move.CompleteMove() does not return a value (perhaps it just prints something). Any method that does not return a value returns None, and you have assigned None to self.values.

Here is an example of this:

>>> def hello(x):
...    print x*2
...
>>> hello('world')
worldworld
>>> y = hello('world')
worldworld
>>> y
>>>

You'll note y doesn't print anything, because its None (the only value that doesn't print anything on the interactive prompt).

How do you create a Spring MVC project in Eclipse?

You don't necessarily have to create a Spring project. Almost all Java web applications have he same project structure. In almost every project I create, I automatically add these source folder:

src/main/java
src/main/resources
src/test/java
src/test/resources
src/main/webapp*

src/main/webapp isn't actually a source folder. The web.xml file under src/main/webapp/WEB-INF will allow you to run your java application on any Java enabled web server (Tomcat, Jetty, etc.). I typically add the Jetty Plugin to my POM (assuming you use Maven), and launch the web app in development using mvn clean jetty:run.

How to completely remove a dialog on close

An ugly solution that works like a charm for me:

$("#mydialog").dialog(
    open: function(){
        $('div.ui-widget-overlay').hide();
        $("div.ui-dialog").not(':first').remove();
}
});

Android - Pulling SQlite database android device

A common way to achieve what you desire is to use the ADB pull command.

Another way I prefer in most cases is to copy the database by code to SD card:

try {
    File sd = Environment.getExternalStorageDirectory();

    if (sd.canWrite()) {
        String currentDBPath = "/data/data/" + getPackageName() + "/databases/yourdatabasename";
        String backupDBPath = "backupname.db";
        File currentDB = new File(currentDBPath);
        File backupDB = new File(sd, backupDBPath);

        if (currentDB.exists()) {
            FileChannel src = new FileInputStream(currentDB).getChannel();
            FileChannel dst = new FileOutputStream(backupDB).getChannel();
            dst.transferFrom(src, 0, src.size());
            src.close();
            dst.close();
        }
    }
} catch (Exception e) {

}

Don't forget to set the permission to write on SD in your manifest, like below.

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

Argument of type 'X' is not assignable to parameter of type 'X'

You miss parenthesis:

var value: string = dataObjects[i].getValue(); 
var id: number = dataObjects[i].getId();

phpMyAdmin Error: The mbstring extension is missing. Please check your PHP configuration

this ones solved my problem

1.open command prompt in administration

then open apache bin folder like this,

c:\ cd wamp\bin\apache\apache2.4.17\bin>
then type after the above

c:\ cd wamp\bin\apache\apache2.4.17\bin> mklink php.ini d:\wamp\bin\php\php5.6.15\phpForApache.ini
thats it close the command prompt and restart the wamp and open it in admin mode.
original post : PHP: No php.ini file thanks to xiao.

Easy way of running the same junit test over and over?

This is essentially the answer that Yishai provided above, re-written in Kotlin :

@RunWith(Parameterized::class)
class MyTest {

    companion object {

        private const val numberOfTests = 200

        @JvmStatic
        @Parameterized.Parameters
        fun data(): Array<Array<Any?>> = Array(numberOfTests) { arrayOfNulls<Any?>(0) }
    }

    @Test
    fun testSomething() { }
}

How to align content of a div to the bottom

You can simply achieved flex

_x000D_

header {_x000D_
  border: 1px solid blue;_x000D_
  height: 150px;_x000D_
  display: flex;                   /* defines flexbox */_x000D_
  flex-direction: column;          /* top to bottom */_x000D_
  justify-content: space-between;  /* first item at start, last at end */_x000D_
}_x000D_
h1 {_x000D_
  margin: 0;_x000D_
}

_x000D_

<header>_x000D_
  <h1>Header title</h1>_x000D_
  Some text aligns to the bottom_x000D_
</header>

_x000D_

Val and Var in Kotlin

val and var both are used to declare a variable.

var is like general variable and it's known as a mutable variable in kotlin and can be assigned multiple times.

val is like Final variable and it's known as immutable in kotlin and can be initialized only single time.

For more information what is val and var please see below link

http://blog.danlew.net/2017/05/30/mutable-vals-in-kotlin/

Curl: Fix CURL (51) SSL error: no alternative certificate subject name matches

It usually happens when the certificate does not match with the host name.

The solution would be to contact the host and ask it to fix its certificate.
Otherwise you can turn off cURL's verification of the certificate, use the -k (or --insecure) option.
Please note that as the option said, it is insecure. You shouldn't use this option because it allows man-in-the-middle attacks and defeats the purpose of HTTPS.

More can be found in here: http://curl.haxx.se/docs/sslcerts.html

Replace all values in a matrix <0.1 with 0

AngularJS: Service vs provider vs factory

All the good answers already. I would like to add few more points on Service and Factory. Along with the difference between service/factory. And one can also have questions like:

Should I use service or factory? What’s the difference?
Is they do same or have same behaviour?

Lets start with the difference between Service and factory:

Both are Singletons: Whenever Angular find these as a dependency first time,it create a single instance of service/factory. Once the instance is created, same instance is used forever.
Can be used to model an object with behavior: They can both have methods, internal state variables, and so on. Though the way you write that code will differ.

Services:

A service is a constructor function, and Angular will instantiate it by calling new yourServiceName(). This means a couple of things.

Functions and instance variables will be properties of this.
You don’t need to return a value. When Angular calls new yourServiceName(), it’ll receive the this object with all the properties you put on it.

Sample Example:

angular.service('MyService', function() {
  this.aServiceVariable = "Ved Prakash"
  this.aServiceMethod = function() {
    return //code
  };
});

When Angular injects this MyService service into a controller that depends on it, that controller will get a MyService that it can call functions on, e.g. MyService.aServiceMethod ().

Be careful with this:

Since the constructed service is an object, the methods inside it can refer to this when they’re called:

angular.service('ScoreKeeper', function($http) {
  this.score = 0;

  this.getScore = function() {
    return this.score;
  };

  this.setScore = function(newScore) {
    this.score = newScore;
  };

  this.addOne = function() {
    this.score++;
  };
});

You might be tempted to call ScoreKeeper.setScore in a promise chain, for instance if you initialized the score by grabbing it from the server: $http.get('/score').then(ScoreKeeper.setScore). The trouble with this is that ScoreKeeper.setScore will be called with this bound to null and you’ll get errors. The better way would be $http.get('/score').then(ScoreKeeper.setScore.bind(ScoreKeeper)). Whether you choose to use this in your service methods or not, be careful how you call them.

Returning a Value from a Service:

Due to how JavaScript constructors work, if you return a complex value (i.e., an Object) from a constructor function, the caller will get that Object instead of the this instance.

This means that you can basically copy-paste the factory example from below, replace factory with service, and it’ll work:

angular.service('MyService', function($http) {
  var api = {};

  api.aServiceMethod= function() {
    return $http.get('/users');
  };
  return api;
});

So when Angular constructs your service with new MyService(), it’ll get that api object instead of the MyService instance.

This is the behavior for any complex values (objects, functions) but not for primitive types.

Factories:

A factory is a plain old function that returns a value. The return value is what gets injected into things that depend on the factory. A typical factory pattern in Angular is to return an object with functions as properties, like this:

angular.factory('MyFactory', function($http) {
  var api = {};

  api.aFactoryMethod= function() {
    return $http.get('/users');
  };

  return api;
});

The injected value for a factory dependency is the factory’s return value, and it doesn’t have to be an object. It could be a function

Answers for above 1 and 2 questions:

For the most part, just stick with using factories for everything. Their behavior is easier to understand. There’s no choice to make about whether to return a value or not, and furthermore, no bugs to be introduced if you do the wrong thing.

I still refer to them as “services” when I’m talking about injecting them as dependencies, though.

Service/Factory behavior is very similar, and some people will say that either one is fine. That’s somewhat true, but I find it easier to follow the advice of John Papa’s style guide and just stick with factories.**

Export to CSV using MVC, C# and jQuery

In addition to Biff MaGriff's answer. To export the file using JQuery, redirect the user to a new page.

$('#btn_export').click(function () {
    window.location.href = 'NewsLetter/Export';
});

How to get difference between two rows for a column field?

select t1.rowInt,t1.Value,t2.Value-t1.Value as diff
from (select * from myTable) as t1,
     (select * from myTable where rowInt!=1
      union all select top 1 rowInt=COUNT(*)+1,Value=0 from myTable) as t2
where t1.rowInt=t2.rowInt-1

Joining pairs of elements of a list

You can use slice notation with steps:

>>> x = "abcdefghijklm"
>>> x[0::2] #0. 2. 4...
'acegikm'
>>> x[1::2] #1. 3. 5 ..
'bdfhjl'
>>> [i+j for i,j in zip(x[::2], x[1::2])] # zip makes (0,1),(2,3) ...
['ab', 'cd', 'ef', 'gh', 'ij', 'kl']

Same logic applies for lists too. String lenght doesn't matter, because you're simply adding two strings together.

Playing sound notifications using Javascript?

Use this plugin: https://github.com/admsev/jquery-play-sound

$.playSound('http://example.org/sound.mp3');

LF will be replaced by CRLF in git - What is that and is it important?

If you want, you can deactivate this feature in your git core config using

git config core.autocrlf false

But it would be better to just get rid of the warnings using

git config core.autocrlf true

How do I add a delay in a JavaScript loop?

Here is a function that I use for looping over an array:

function loopOnArrayWithDelay(theArray, delayAmount, i, theFunction, onComplete){

    if (i < theArray.length && typeof delayAmount == 'number'){

        console.log("i "+i);

        theFunction(theArray[i], i);

        setTimeout(function(){

            loopOnArrayWithDelay(theArray, delayAmount, (i+1), theFunction, onComplete)}, delayAmount);
    }else{

        onComplete(i);
    }
}

You use it like this:

loopOnArrayWithDelay(YourArray, 1000, 0, function(e, i){
    //Do something with item
}, function(i){
    //Do something once loop has completed
}

Clip/Crop background-image with CSS

You can put the graphic in a pseudo-element with its own dimensional context:

#graphic {
  position: relative;
  width: 200px;
  height: 100px;
}
#graphic::before {
  position: absolute;
  content: '';
  z-index: -1;
  width: 200px;
  height: 50px;
  background-image: url(image.jpg);
}

_x000D_

#graphic {_x000D_
    width: 200px;_x000D_
    height: 100px;_x000D_
    position: relative;_x000D_
}_x000D_
#graphic::before {_x000D_
    content: '';_x000D_
    _x000D_
    position: absolute;_x000D_
    width: 200px;_x000D_
    height: 50px;_x000D_
    z-index: -1;_x000D_
    _x000D_
    background-image: url(http://placehold.it/500x500/); /* Image is 500px by 500px, but only 200px by 50px is showing. */_x000D_
}

_x000D_

<div id="graphic">lorem ipsum</div>

_x000D_

Browser support is good, but if you need to support IE8, use a single colon :before. IE has no support for either syntax in versions prior to that.

How do I concatenate strings?

To concatenate multiple strings into a single string, separated by another character, there are a couple of ways.

The nicest I have seen is using the join method on an array:

fn main() {
    let a = "Hello";
    let b = "world";
    let result = [a, b].join("\n");

    print!("{}", result);
}

Depending on your use case you might also prefer more control:

fn main() {
    let a = "Hello";
    let b = "world";
    let result = format!("{}\n{}", a, b);

    print!("{}", result);
}

There are some more manual ways I have seen, some avoiding one or two allocations here and there. For readability purposes I find the above two to be sufficient.

Python datetime strptime() and strftime(): how to preserve the timezone information

Try this:

import pytz
import datetime

fmt = '%Y-%m-%d %H:%M:%S %Z'

d = datetime.datetime.now(pytz.timezone("America/New_York"))
d_string = d.strftime(fmt)
d2 = pytz.timezone('America/New_York').localize(d.strptime(d_string,fmt), is_dst=None)
print(d_string)
print(d2.strftime(fmt))

concat scope variables into string in angular directive expression

I've created a working CodePen example demonstrating how to do this.

Relevant HTML:

<section ng-app="app" ng-controller="MainCtrl">
  <a href="#" ng-click="doSomething('#/path/{{obj.val1}}/{{obj.val2}}')">Click Me</a><br>
  debug: {{debug.val}}
</section>

Relevant javascript:

var app = angular.module('app', []);

app.controller('MainCtrl', function($scope) {
  $scope.obj = {
    val1: 'hello',
    val2: 'world'
  };

  $scope.debug = {
    val: ''
  };

  $scope.doSomething = function(input) {
    $scope.debug.val = input;
  };
});

Call break in nested if statements

I had a similar problem today and found refactoring the conditional logic into a separate function to help.

I find it more readable than the labels and people are more comfortable with return than break. Inline functions are similar but the indentation can get a bit confusing.

In your case it would look like this.

function doThing() {
  checkConditions();

  // Rest of the code here
}

function checkConditions() {
  if (c1) {
    if (c2) {
      return do1();
    else {
      return;
    }
  } else {
    return do3();
  }
}

Android how to use Environment.getExternalStorageDirectory()

Have in mind though, that getExternalStorageDirectory() is not going to work properly on some phones e.g. my Motorola razr maxx, as it has 2 cards /mnt/sdcard and /mnt/sdcard-ext - for internal and external SD cards respectfully. You will be getting the /mnt/sdcard only reply every time. Google must provide a way to deal with such a situation. As it renders many SD card aware apps (i.e card backup) failing miserably on these phones.

WordPress - Check if user is logged in

Example: Display different output depending on whether the user is logged in or not.

<?php

if ( is_user_logged_in() ) {
    echo 'Welcome, registered user!';
} else {
    echo 'Welcome, visitor!';
}

?>

JPA: JOIN in JPQL

Join on one-to-many relation in JPQL looks as follows:

select b.fname, b.lname from Users b JOIN b.groups c where c.groupName = :groupName

When several properties are specified in select clause, result is returned as Object[]:

Object[] temp = (Object[]) em.createNamedQuery("...")
    .setParameter("groupName", groupName)
    .getSingleResult(); 
String fname = (String) temp[0];
String lname = (String) temp[1];

By the way, why your entities are named in plural form, it's confusing. If you want to have table names in plural, you may use @Table to specify the table name for the entity explicitly, so it doesn't interfere with reserved words:

@Entity @Table(name = "Users")     
public class User implements Serializable { ... }

Display image at 50% of its "native" size

It's somewhat weird, but it seems that Webkit, at least in newest stable version of Chrome, supports Microsoft's zoom property. The good news is that its behaviour is closer to what you want.

Unfortunately DOM clientWidth and similar properties still return the original values as if the image was not resized.

_x000D_

// hack: wait a moment for img to load_x000D_
setTimeout(function() {_x000D_
   var img = document.getElementsByTagName("img")[0];_x000D_
   document.getElementById("c").innerHTML = "clientWidth, clientHeight = " + img.clientWidth + ", " +_x000D_
      img.clientHeight;_x000D_
}, 1000);

_x000D_

img {_x000D_
  zoom: 50%;_x000D_
}_x000D_
/* -- not important below -- */_x000D_
#t {_x000D_
  width: 400px;_x000D_
  height: 300px;_x000D_
  background-color: #F88;_x000D_
}_x000D_
#s {_x000D_
  width: 200px;_x000D_
  height: 150px;_x000D_
  background-color: #8F8;_x000D_
}

_x000D_

<img src="data:image/png;base64,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" />_x000D_
<div id="s">div with explicit size for comparison 200px by 150px</div>_x000D_
<div id="t">div with explicit size for comparison 400px by 300px</div>_x000D_
<div id="c"></div>

_x000D_

What is a software framework?

A framework helps us about using the "already created", a metaphore can be like,

think that earth material is the programming language,

and for example "a camera" is the program, and you decided to create a notebook. You don't need to recreate the camera everytime, you just use the earth framework (for example to a technology store) take the camera and integrate it to your notebook.

C# how to change data in DataTable?

You should probably set the property dt.Columns["columnName"].ReadOnly = false; before.

What causes "Unable to access jarfile" error?

First run: java -version

and then run: java -jar Calculator.jar

This worked for me.

Load dimension value from res/values/dimension.xml from source code

Context.getResources().getDimension(int id);

Reading binary file and looping over each byte

Python 3, read all of the file at once:

with open("filename", "rb") as binary_file:
    # Read the whole file at once
    data = binary_file.read()
    print(data)

You can iterate whatever you want using data variable.

How to find and replace with regex in excel

As an alternative to Regex, running:

Sub Replacer()
   Dim N As Long, i As Long
   N = Cells(Rows.Count, "A").End(xlUp).Row

   For i = 1 To N
      If Left(Cells(i, "A").Value, 9) = "texts are" Then
         Cells(i, "A").Value = "texts are replaced"
      End If
   Next i
End Sub

will produce:

References with text in LaTeX

I think you can do this with the hyperref package, although I've not tried it myself. From the relevant LaTeX Wikibook section:

The hyperref package introduces another useful command; \autoref{}. This command creates a reference with additional text corresponding to the targets type, all of which will be a hyperlink. For example, the command \autoref{sec:intro} would create a hyperlink to the \label{sec:intro} command, wherever it is. Assuming that this label is pointing to a section, the hyperlink would contain the text "section 3.4", or similar (capitalization rules will be followed, which makes this very convenient). You can customize the prefixed text by redefining \typeautorefname to the prefix you want, as in:

\def\subsectionautorefname{section}

JavaScript: Upload file

Unless you're trying to upload the file using ajax, just submit the form to /upload/image.

<form enctype="multipart/form-data" action="/upload/image" method="post">
    <input id="image-file" type="file" />
</form>

If you do want to upload the image in the background (e.g. without submitting the whole form), you can use ajax:

How do you copy and paste into Git Bash

console2 ( http://sourceforge.net/projects/console/ ) is my go to terminal front end.

it add great features like copy/paste, resizable windows, and tabs. you can also integrate as many "terminals" as you want into the app. i personally use cmd (the basic windows prompt), mingW/msysGit, and i have shortcuts for diving directly into the python and mysql interpreters.

the "shell" argument i use for git (on a win7 machine) is:

C:\Windows\SysWOW64\cmd.exe /c ""C:\Program Files (x86)\Git\bin\sh.exe" --login -i"

How does one capture a Mac's command key via JavaScript?

Here is how I did it in AngularJS

app = angular.module('MM_Graph')

class Keyboard
  constructor: ($injector)->
    @.$injector  = $injector
    @.$window    = @.$injector.get('$window')                             # get reference to $window and $rootScope objects
    @.$rootScope = @.$injector.get('$rootScope')

  on_Key_Down:($event)=>
    @.$rootScope.$broadcast 'keydown', $event                             # broadcast a global keydown event

    if $event.code is 'KeyS' and ($event.ctrlKey or $event.metaKey)       # detect S key pressed and either OSX Command or Window's Control keys pressed
      @.$rootScope.$broadcast '', $event                                  # broadcast keyup_CtrS event
      #$event.preventDefault()                                             # this should be used by the event listeners to prevent default browser behaviour

  setup_Hooks: ()=>
    angular.element(@.$window).bind "keydown", @.on_Key_Down              # hook keydown event in window (only called once per app load)
    @

app.service 'keyboard', ($injector)=>
  return new Keyboard($injector).setup_Hooks()

How to kill an Android activity when leaving it so that it cannot be accessed from the back button?

Setting android:noHistory="true" on the activity in your manifest will remove an activity from the stack whenever it is navigated away from. see here

Run javascript script (.js file) in mongodb including another file inside js

To call external file you can use :

load ("path\file")

Exemple: if your file.js file is on your "Documents" file (on windows OS), you can type:

load ("C:\users\user_name\Documents\file.js")

CodeIgniter: Load controller within controller

According to this blog post you can load controller within another controller in codeigniter.

http://www.techsirius.com/2013/01/load-controller-within-another.html

First of all you need to extend CI_Loader

<?php

class MY_Loader extends CI_Loader {

    public function __construct() {
        parent::__construct();
    }

    public function controller($file_name) {
        $CI = & get_instance();
        $file_path = APPPATH.'controllers/' . $file_name . '.php';
        $object_name = $file_name;
        $class_name = ucfirst($file_name);

        if (file_exists($file_path)) {
            require $file_path;

            $CI->$object_name = new $class_name();
        }
        else {
            show_error('Unable to load the requested controller class: ' . $class_name);
        }
    }
}

then load controller within another controller.

PHP PDO returning single row

how about using limit 0,1 for mysql optimisation

and about your code:

$DBH = new PDO( "connection string goes here" );

$STH - $DBH -> prepare( "select figure from table1" );

$STH -> execute();

$result = $STH ->fetch(PDO::FETCH_ASSOC)

echo $result["figure"];

$DBH = null;

Proper way to rename solution (and directories) in Visual Studio

Remove/add project file method

This method is entirely aimed at renaming the directory for the project, as viewed in Windows Explorer.

Backup your entire project using something like GIT, SVN, or WinZip (important!).
Within the solution in Visual Studio, remove the project.
Rename the directory in Windows Explorer.
Add the project back in again within Visual Studio.

Advantages

You can make the directory within Windows Explorer match the project name within the solution.

Disadvantages

If you remove a library, it removes any references to the said library from other projects. The solution may not compile after this until you add the references to said library back in (this is quite easy). This is the reason why step 1 (backup) is so important.
If you have source control, you will lose the history of the file.

Right-clicking on a project and selecting "Open Folder in Windows Explorer" is useful to keep track of where the project is stored while you are performing this process.

Git merge errors

It's worth understanding what those error messages mean - needs merge and error: you need to resolve your current index first indicate that a merge failed, and that there are conflicts in those files. If you've decided that whatever merge you were trying to do was a bad idea after all, you can put things back to normal with:

git reset --merge

However, otherwise you should resolve those merge conflicts, as described in the git manual.

Once you've dealt with that by either technique you should be able to checkout the 9-sign-in-out branch. The problem with just renaming your 9-sign-in-out to master, as suggested in wRAR's answer is that if you've shared your previous master branch with anyone, this will create problems for them, since if the history of the two branches diverged, you'll be publishing rewritten history.

Essentially what you want to do is to merge your topic branch 9-sign-in-out into master but exactly keep the versions of the files in the topic branch. You could do this with the following steps:

# Switch to the topic branch:
git checkout 9-sign-in-out

# Create a merge commit, which looks as if it's merging in from master, but is
# actually discarding everything from the master branch and keeping everything
# from 9-sign-in-out:
git merge -s ours master

# Switch back to the master branch:
git checkout master

# Merge the topic branch into master - this should now be a fast-forward
# that leaves you with master exactly as 9-sign-in-out was:
git merge 9-sign-in-out

How to find out when a particular table was created in Oracle?

SELECT created
  FROM dba_objects
 WHERE object_name = <<your table name>>
   AND owner = <<owner of the table>>
   AND object_type = 'TABLE'

will tell you when a table was created (if you don't have access to DBA_OBJECTS, you could use ALL_OBJECTS instead assuming you have SELECT privileges on the table).

The general answer to getting timestamps from a row, though, is that you can only get that data if you have added columns to track that information (assuming, of course, that your application populates the columns as well). There are various special cases, however. If the DML happened relatively recently (most likely in the last couple hours), you should be able to get the timestamps from a flashback query. If the DML happened in the last few days (or however long you keep your archived logs), you could use LogMiner to extract the timestamps but that is going to be a very expensive operation particularly if you're getting timestamps for many rows. If you build the table with ROWDEPENDENCIES enabled (not the default), you can use

SELECT scn_to_timestamp( ora_rowscn ) last_modified_date,
       ora_rowscn last_modified_scn,
       <<other columns>>
  FROM <<your table>>

to get the last modification date and SCN (system change number) for the row. By default, though, without ROWDEPENDENCIES, the SCN is only at the block level. The SCN_TO_TIMESTAMP function also isn't going to be able to map SCN's to timestamps forever.

How to get local server host and port in Spring Boot?

One solution mentioned in a reply by @M. Deinum is one that I've used in a number of Akka apps:

object Localhost {

  /**
   * @return String for the local hostname
   */
  def hostname(): String = InetAddress.getLocalHost.getHostName

  /**
   * @return String for the host IP address
   */
  def ip(): String = InetAddress.getLocalHost.getHostAddress

}

I've used this method when building a callback URL for Oozie REST so that Oozie could callback to my REST service and it's worked like a charm

TypeError: $ is not a function WordPress

I was able to resolve this very easily my simply enqueuing jQuery wp_enqueue_script("jquery");

Regex date format validation on Java

Construct a SimpleDateFormat with the mask, and then call: SimpleDateFormat.parse(String s, ParsePosition p)

How do I find the index of a character within a string in C?

You can also use strcspn(string, "e") but this may be much slower since it's able to handle searching for multiple possible characters. Using strchr and subtracting the pointer is the best way.

HTML button to NOT submit form

I think this is the most annoying little peculiarity of HTML... That button needs to be of type "button" in order to not submit.

<button type="button">My Button</button>

Update 5-Feb-2019: As per the HTML Living Standard (and also HTML 5 specification):

The missing value default and invalid value default are the Submit Button state.

TypeScript enum to object array

If you are using ES8

For this case only it will work perfectly fine. It will give you value array of the given enum.

enum Colors {
  WHITE = 0,
  BLACK = 1,
  BLUE = 3
}

const colorValueArray = Object.values(Colors); //[ 'WHITE', 'BLACK', 'BLUE', 0, 1, 3 ]

You will get colorValueArray like this [ 'WHITE', 'BLACK', 'BLUE', 0, 1, 3 ]. All the keys will be in first half of the array and all the values in second half.

Even this kind of enum will work fine

enum Operation {
    READ,
    WRITE,
    EXECUTE
}

But this solution will not work for Heterogeneous enums like this

enum BooleanLikeHeterogeneousEnum {
  No = 0,
  Yes = "YES",
}

Variable scoping in PowerShell

Using a Python subprocess call to invoke a Python script

subprocess.call expects the same arguments as subprocess.Popen - that is a list of strings (the argv in C) rather than a single string.

It's quite possible that your child process attempted to run "s" with the parameters "o", "m", "e", ...

openpyxl - adjust column width size

We can convert numbers to their ASCII values and give it to column_dimension parameter

import openpyxl as xl

work_book = xl.load_workbook('file_location')
sheet = work_book['Sheet1']
column_number = 2
column = str(chr(64 + column_number))
sheet.column_dimensions[column].width = 20
work_book.save('file_location')

How to show only next line after the matched one?

grep /Pattern/ | tail -n 2 | head -n 1

Tail first 2 and then head last one to get exactly first line after match.

UILabel with text of two different colors

extension UILabel{

    func setSubTextColor(pSubString : String, pColor : UIColor){


        let attributedString: NSMutableAttributedString = self.attributedText != nil ? NSMutableAttributedString(attributedString: self.attributedText!) : NSMutableAttributedString(string: self.text!);


        let range = attributedString.mutableString.range(of: pSubString, options:NSString.CompareOptions.caseInsensitive)
        if range.location != NSNotFound {
            attributedString.addAttribute(NSForegroundColorAttributeName, value: pColor, range: range);
        }
        self.attributedText = attributedString

    }
}

Angular2 change detection: ngOnChanges not firing for nested object

I stumbled upon the same need. And I read a lot on this so, here is my copper on the subject.

If you want your change detection on push, then you would have it when you change a value of an object inside right ? And you also would have it if somehow, you remove objects.

As already said, use of changeDetectionStrategy.onPush

Say you have this component you made, with changeDetectionStrategy.onPush:

<component [collection]="myCollection"></component>

Then you'd push an item and trigger the change detection :

myCollection.push(anItem);
refresh();

or you'd remove an item and trigger the change detection :

myCollection.splice(0,1);
refresh();

or you'd change an attrbibute value for an item and trigger the change detection :

myCollection[5].attribute = 'new value';
refresh();

Content of refresh :

refresh() : void {
    this.myCollection = this.myCollection.slice();
}

The slice method returns the exact same Array, and the [ = ] sign make a new reference to it, triggering the change detection every time you need it. Easy and readable :)

Regards,

Installing Bower on Ubuntu

sudo apt-get install nodejs

installs nodejs

sudo apt-get install npm

installs npm

sudo npm install bower -g

installs bower via npm

E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation

Just install the updated versions of all of them.

apt-get install -y gnupg2 gnupg gnupg1

HTML CSS Button Positioning

[type=submit]{
    margin-left: 121px;
    margin-top: 19px;
    width: 84px;
    height: 40px;   
    font-size:14px;
    font-weight:700;
}

How to check if one of the following items is in a list?

This will do it in one line.

>>> a=[2,3,4]
>>> b=[1,2]
>>> bool(sum(map(lambda x: x in b, a)))
True

How do you clear the focus in javascript?

document.activeElement.blur();

Works wrong on IE9 - it blurs the whole browser window if active element is document body. Better to check for this case:

if (document.activeElement != document.body) document.activeElement.blur();

TERM environment variable not set

You can see if it's really not set. Run the command set | grep TERM.

If not, you can set it like that: export TERM=xterm

Why am I getting an Exception with the message "Invalid setup on a non-virtual (overridable in VB) member..."?

As help to anybody that had the same problem as me, I accidentally mistyped the implementation type instead of the interface e.g.

var mockFileBrowser = new Mock<FileBrowser>();

instead of

var mockFileBrowser = new Mock<IFileBrowser>();

Open fancybox from function

function myfunction(){
    $('.classname').fancybox().trigger('click'); 
}

It works for me..

How to generate a random String in Java

Random ran = new Random();
int top = 3;
char data = ' ';
String dat = "";

for (int i=0; i<=top; i++) {
  data = (char)(ran.nextInt(25)+97);
  dat = data + dat;
}

System.out.println(dat);

Html.DropdownListFor selected value not being set

If you know what will be in the view, you can also set the default value from Controller as well rather then set up it into the view/cshtml file. No need to set default value from HTML side.

In the Controller file.

commission.TypeofCommission = 1;
return View(commission);

In the .cshtml file.

@Html.DropDownListFor(row => row.TypeofCommission, new SelectList(Model.commissionTypeModelList, "type", "typeName"), "--Select--")

Detecting a redirect in ajax request?

The AJAX request never has the opportunity to NOT follow the redirect (i.e., it must follow the redirect). More information can be found in this answer https://stackoverflow.com/a/2573589/965648

Amazon S3 direct file upload from client browser - private key disclosure

Here is how you generate a policy document using node and serverless

"use strict";

const uniqid = require('uniqid');
const crypto = require('crypto');

class Token {

    /**
     * @param {Object} config SSM Parameter store JSON config
     */
    constructor(config) {

        // Ensure some required properties are set in the SSM configuration object
        this.constructor._validateConfig(config);

        this.region = config.region; // AWS region e.g. us-west-2
        this.bucket = config.bucket; // Bucket name only
        this.bucketAcl = config.bucketAcl; // Bucket access policy [private, public-read]
        this.accessKey = config.accessKey; // Access key
        this.secretKey = config.secretKey; // Access key secret

        // Create a really unique videoKey, with folder prefix
        this.key = uniqid() + uniqid.process();

        // The policy requires the date to be this format e.g. 20181109
        const date = new Date().toISOString();
        this.dateString = date.substr(0, 4) + date.substr(5, 2) + date.substr(8, 2);

        // The number of minutes the policy will need to be used by before it expires
        this.policyExpireMinutes = 15;

        // HMAC encryption algorithm used to encrypt everything in the request
        this.encryptionAlgorithm = 'sha256';

        // Client uses encryption algorithm key while making request to S3
        this.clientEncryptionAlgorithm = 'AWS4-HMAC-SHA256';
    }

    /**
     * Returns the parameters that FE will use to directly upload to s3
     *
     * @returns {Object}
     */
    getS3FormParameters() {
        const credentialPath = this._amazonCredentialPath();
        const policy = this._s3UploadPolicy(credentialPath);
        const policyBase64 = new Buffer(JSON.stringify(policy)).toString('base64');
        const signature = this._s3UploadSignature(policyBase64);

        return {
            'key': this.key,
            'acl': this.bucketAcl,
            'success_action_status': '201',
            'policy': policyBase64,
            'endpoint': "https://" + this.bucket + ".s3-accelerate.amazonaws.com",
            'x-amz-algorithm': this.clientEncryptionAlgorithm,
            'x-amz-credential': credentialPath,
            'x-amz-date': this.dateString + 'T000000Z',
            'x-amz-signature': signature
        }
    }

    /**
     * Ensure all required properties are set in SSM Parameter Store Config
     *
     * @param {Object} config
     * @private
     */
    static _validateConfig(config) {
        if (!config.hasOwnProperty('bucket')) {
            throw "'bucket' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('region')) {
            throw "'region' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('accessKey')) {
            throw "'accessKey' is required in SSM Parameter Store Config";
        }
        if (!config.hasOwnProperty('secretKey')) {
            throw "'secretKey' is required in SSM Parameter Store Config";
        }
    }

    /**
     * Create a special string called a credentials path used in constructing an upload policy
     *
     * @returns {String}
     * @private
     */
    _amazonCredentialPath() {
        return this.accessKey + '/' + this.dateString + '/' + this.region + '/s3/aws4_request';
    }

    /**
     * Create an upload policy
     *
     * @param {String} credentialPath
     *
     * @returns {{expiration: string, conditions: *[]}}
     * @private
     */
    _s3UploadPolicy(credentialPath) {
        return {
            expiration: this._getPolicyExpirationISODate(),
            conditions: [
                {bucket: this.bucket},
                {key: this.key},
                {acl: this.bucketAcl},
                {success_action_status: "201"},
                {'x-amz-algorithm': 'AWS4-HMAC-SHA256'},
                {'x-amz-credential': credentialPath},
                {'x-amz-date': this.dateString + 'T000000Z'}
            ],
        }
    }

    /**
     * ISO formatted date string of when the policy will expire
     *
     * @returns {String}
     * @private
     */
    _getPolicyExpirationISODate() {
        return new Date((new Date).getTime() + (this.policyExpireMinutes * 60 * 1000)).toISOString();
    }

    /**
     * HMAC encode a string by a given key
     *
     * @param {String} key
     * @param {String} string
     *
     * @returns {String}
     * @private
     */
    _encryptHmac(key, string) {
        const hmac = crypto.createHmac(
            this.encryptionAlgorithm, key
        );
        hmac.end(string);

        return hmac.read();
    }

    /**
     * Create an upload signature from provided params
     * https://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-authenticating-requests.html#signing-request-intro
     *
     * @param policyBase64
     *
     * @returns {String}
     * @private
     */
    _s3UploadSignature(policyBase64) {
        const dateKey = this._encryptHmac('AWS4' + this.secretKey, this.dateString);
        const dateRegionKey = this._encryptHmac(dateKey, this.region);
        const dateRegionServiceKey = this._encryptHmac(dateRegionKey, 's3');
        const signingKey = this._encryptHmac(dateRegionServiceKey, 'aws4_request');

        return this._encryptHmac(signingKey, policyBase64).toString('hex');
    }
}

module.exports = Token;

The configuration object used is stored in SSM Parameter Store and looks like this

{
    "bucket": "my-bucket-name",
    "region": "us-west-2",
    "bucketAcl": "private",
    "accessKey": "MY_ACCESS_KEY",
    "secretKey": "MY_SECRET_ACCESS_KEY",
}

MSBuild doesn't copy references (DLL files) if using project dependencies in solution

Another scenario where this shows up is if you are using the older "Web Site" project type in Visual Studio. For that project type, it is unable to reference .dlls that are outside of it's own directory structure (current folder and down). So in the answer above, let's say your directory structure looks like this:

Where ProjectX and ProjectY are parent/child directories, and ProjectX references A.dll which in turn references B.dll, and B.dll is outside the directory structure, such as in a Nuget package on the root (Packages), then A.dll will be included, but B.dll will not.

Check if object is a jQuery object

The best way to check the instance of an object is through instanceof operator or with the method isPrototypeOf() which inspects if the prototype of an object is in another object's prototype chain.

obj instanceof jQuery;
jQuery.prototype.isPrototypeOf(obj);

But sometimes it might fail in the case of multiple jQuery instances on a document. As @Georgiy Ivankin mentioned:

if I have $ in my current namespace pointing to jQuery2 and I have an object from outer namespace (where $ is jQuery1) then I have no way to use instanceof for checking if that object is a jQuery object

One way to overcome that problem is by aliasing the jQuery object in a closure or IIFE

//aliases jQuery as $
(function($, undefined) {
    /*... your code */

    console.log(obj instanceof $);
    console.log($.prototype.isPrototypeOf(obj));

    /*... your code */
}(jQuery1));
//imports jQuery1

Other way to overcome that problem is by inquiring the jquery property in obj

'jquery' in obj

However, if you try to perform that checking with primitive values, it will throw an error, so you can modify the previous checking by ensuring obj to be an Object

'jquery' in Object(obj)

Although the previous way is not the safest (you can create the 'jquery' property in an object), we can improve the validation by working with both approaches:

if (obj instanceof jQuery || 'jquery' in Object(obj)) { }

The problem here is that any object can define a property jquery as own, so a better approach would be to ask in the prototype, and ensure that the object is not null or undefined

if (obj && (obj instanceof jQuery || obj.constructor.prototype.jquery)) { }

Due to coercion, the if statement will make short circuit by evaluating the && operator when obj is any of the falsy values (null, undefined, false, 0, ""), and then proceeds to perform the other validations.

Finally we can write an utility function:

function isjQuery(obj) {
  return (obj && (obj instanceof jQuery || obj.constructor.prototype.jquery));
}

Let's take a look at: Logical Operators and truthy / falsy

How to send 500 Internal Server Error error from a PHP script

You can simplify it like this:

if ( that_happened || something_else_happened )
{
    header('X-Error-Message: Incorrect username or password', true, 500);
    die;
}

It will return following header:

HTTP/1.1 500 Internal Server Error
...
X-Error-Message: Incorrect username or password
...

Added: If you need to know exactly what went wrong, do something like this:

if ( that_happened )
{
    header('X-Error-Message: Incorrect username', true, 500);
    die('Incorrect username');
}

if ( something_else_happened )
{
    header('X-Error-Message: Incorrect password', true, 500);
    die('Incorrect password');
}

What does "Failure [INSTALL_FAILED_OLDER_SDK]" mean in Android Studio?

Make sure you don't have a minSdkVersion set in your build.gradle with a value higher than 8. If you don't specify it at all, it's supposed to use the value in your AndroidManfiest.xml, which seems to already be properly set.

Converting string format to datetime in mm/dd/yyyy

You need an uppercase M for the month part.

string strDate = DateTime.Now.ToString("MM/dd/yyyy");

Lowercase m is for outputting (and parsing) a minute (such as h:mm).

e.g. a full date time string might look like this:

string strDate = DateTime.Now.ToString("MM/dd/yyyy h:mm");

Notice the uppercase/lowercase mM difference.

Also if you will always deal with the same datetime format string, you can make it easier by writing them as C# extension methods.

public static class DateTimeMyFormatExtensions
{
  public static string ToMyFormatString(this DateTime dt)
  {
    return dt.ToString("MM/dd/yyyy");
  }
}

public static class StringMyDateTimeFormatExtension
{
  public static DateTime ParseMyFormatDateTime(this string s)
  {
    var culture = System.Globalization.CultureInfo.CurrentCulture;
    return DateTime.ParseExact(s, "MM/dd/yyyy", culture);
  }
}

EXAMPLE: Translating between DateTime/string

DateTime now = DateTime.Now;

string strNow = now.ToMyFormatString();
DateTime nowAgain = strNow.ParseMyFormatDateTime();

Note that there is NO way to store a custom DateTime format information to use as default as in .NET most string formatting depends on the currently set culture, i.e.

System.Globalization.CultureInfo.CurrentCulture.

The only easy way you can do is to roll a custom extension method.

Also, the other easy way would be to use a different "container" or "wrapper" class for your DateTime, i.e. some special class with explicit operator defined that automatically translates to and from DateTime/string. But that is dangerous territory.

Regular expression which matches a pattern, or is an empty string

I'm not sure why you'd want to validate an optional email address, but I'd suggest you use

^$|^[^@\s]+@[^@\s]+$

meaning

^$        empty string
|         or
^         beginning of string
[^@\s]+   any character but @ or whitespace
@         
[^@\s]+
$         end of string

You won't stop fake emails anyway, and this way you won't stop valid addresses.

Linux c++ error: undefined reference to 'dlopen'

You have to link against libdl, add

-ldl

to your linker options

Endless loop in C/C++

I use for(;/*ever*/;).

It is easy to read and it takes a bit longer to type (due to the shifts for the asterisks), indicating I should be really careful when using this type of loop. The green text that shows up in the conditional is also a pretty odd sight—another indication this construct is frowned upon unless absolutely necessary.

iptables block access to port 8000 except from IP address

This question should be on Server Fault. Nevertheless, the following should do the trick, assuming you're talking about TCP and the IP you want to allow is 1.2.3.4:

iptables -A INPUT -p tcp --dport 8000 -s 1.2.3.4 -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP

How to write console output to a txt file

To write console output to a txt file

public static void main(String[] args) {
    int i;
    List<String> ls = new ArrayList<String>();
    for (i = 1; i <= 100; i++) {
        String str = null;
        str = +i + ":-  HOW TO WRITE A CONSOLE OUTPUT IN A TEXT FILE";
        ls.add(str);
    }
    String listString = "";
    for (String s : ls) {
        listString += s + "\n";
    }
    FileWriter writer = null;
    try {
        writer = new FileWriter("final.txt");
        writer.write(listString);
        writer.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

If you want to generate the PDF rather then the text file, you use the dependency given below:

<dependency>
        <groupId>com.itextpdf</groupId>
        <artifactId>itextpdf</artifactId>
        <version>5.0.6</version>
</dependency>

To generate a PDF, use this code:

public static void main(String[] args) {
    int i;
    List<String> ls = new ArrayList<String>();
    for (i = 1; i <= 100; i++) {
        String str = null;
        str = +i + ":- HOW TO WRITE A CONSOLE OUTPUT IN A PDF";
        ls.add(str);
    }
    String listString = "";

    for (String s : ls) {
        listString += s + "\n";
    }
    Document document = new Document();
    try {
        PdfWriter writer1 = PdfWriter
                .getInstance(
                        document,
                        new FileOutputStream(
                                "final_pdf.pdf"));
        document.open();
        document.add(new Paragraph(listString));
        document.close();
        writer1.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

Convert String to Integer in XSLT 1.0

Adding to jelovirt's answer, you can use number() to convert the value to a number, then round(), floor(), or ceiling() to get a whole integer.

Example

<xsl:variable name="MyValAsText" select="'5.14'"/>
<xsl:value-of select="number($MyValAsText) * 2"/> <!-- This outputs 10.28 -->
<xsl:value-of select="floor($MyValAsText)"/> <!-- outputs 5 -->
<xsl:value-of select="ceiling($MyValAsText)"/> <!-- outputs 6 -->
<xsl:value-of select="round($MyValAsText)"/> <!-- outputs 5 -->

The server is not responding (or the local MySQL server's socket is not correctly configured) in wamp server

I had a similar issues fresh install and same error surprising. Finally I figured out it was a problem with browser cookies...

Try cleaning your browser cookies and see it helps to resolve this issue, before even trying any configuration changes.
Try using XAMPP Control panel "Admin" button instead of usual http://localhost or http://localhost/phpmyadmin
Try direct link: http://localhost/phpmyadmin/main.php or http://127.0.0.1/phpmyadmin/main.php
Finally try this: http://localhost/phpmyadmin/index.php?db=phpmyadmin&server=1&target=db_structure.php

Somehow if you have old installation and you upgraded to new version it keeps track of your old settings through cookies.

If this solution helped let me know.

How can I set the default timezone in node.js?

i work with this npm package unix-system-timezone

Get the index of the object inside an array, matching a condition

var index;
yourArray.some(function (elem, i) {
    return elem.prop2 === 'yutu' ? (index = i, true) : false;
});

Iterate over all elements of array. It returns either the index and true or false if the condition does not match.

Important is the explicit return value of true (or a value which boolean result is true). The single assignment is not sufficient, because of a possible index with 0 (Boolean(0) === false), which would not result an error but disables the break of the iteration.

Edit

An even shorter version of the above:

yourArray.some(function (elem, i) {
    return elem.prop2 === 'yutu' && ~(index = i);
});

MySQL Check if username and password matches in Database

1.) Storage of database passwords Use some kind of hash with a salt and then alter the hash, obfuscate it, for example add a distinct value for each byte. That way your passwords a super secured against dictionary attacks and rainbow tables.

2.) To check if the password matches, create your hash for the password the user put in. Then perform a query against the database for the username and just check if the two password hashes are identical. If they are, give the user an authentication token.

The query should then look like this:

select hashedPassword from users where username=?

Then compare the password to the input.

Further questions?

Why can't I display a pound (£) symbol in HTML?

Have you tried displaying a £ ?

Here is an overwhelming list.

Laravel is there a way to add values to a request array

$request->offsetSet(key, value);

How do I change select2 box height

I had a similar problem, and most of these solutions are close but no cigar. Here is what works in its simplest form:

.select2-selection {
    min-height: 10px !important;
}

You can set the min-height to what ever you want. The height will expand as needed. I personally found the padding a bit unbalanced, and the font too big, so I added those here also.

Build .so file from .c file using gcc command line

To generate a shared library you need first to compile your C code with the -fPIC (position independent code) flag.

gcc -c -fPIC hello.c -o hello.o

This will generate an object file (.o), now you take it and create the .so file:

gcc hello.o -shared -o libhello.so

EDIT: Suggestions from the comments:

You can use

gcc -shared -o libhello.so -fPIC hello.c

to do it in one step. – Jonathan Leffler

I also suggest to add -Wall to get all warnings, and -g to get debugging information, to your gcc commands. – Basile Starynkevitch

CSS Progress Circle

Another pure css based solution that is based on two clipped rounded elements that i rotate to get to the right angle:

http://jsfiddle.net/maayan/byT76/

That's the basic css that enables it:

.clip1 {
    position:absolute;
    top:0;left:0;
    width:200px;
    height:200px;
    clip:rect(0px,200px,200px,100px);
}
.slice1 {
    position:absolute;
    width:200px;
    height:200px;
    clip:rect(0px,100px,200px,0px);
    -moz-border-radius:100px;
    -webkit-border-radius:100px; 
    border-radius:100px;
    background-color:#f7e5e1;
    border-color:#f7e5e1;
    -moz-transform:rotate(0);
    -webkit-transform:rotate(0);
    -o-transform:rotate(0);
    transform:rotate(0);
}

.clip2 
{
    position:absolute;
    top:0;left:0;
    width:200px;
    height:200px;
    clip:rect(0,100px,200px,0px);
}

.slice2
{
    position:absolute;
    width:200px;
    height:200px;
    clip:rect(0px,200px,200px,100px);
    -moz-border-radius:100px;
    -webkit-border-radius:100px; 
    border-radius:100px;
    background-color:#f7e5e1;
    border-color:#f7e5e1;
    -moz-transform:rotate(0);
    -webkit-transform:rotate(0);
    -o-transform:rotate(0);
    transform:rotate(0);
}

and the js rotates it as required.

quite easy to understand..

Hope it helps, Maayan

Wpf control size to content?

For most controls, you set its height and width to Auto in the XAML, and it will size to fit its content.

In code, you set the width/height to double.NaN. For details, see FrameworkElement.Width, particularly the "remarks" section.

Clear the entire history stack and start a new activity on Android

Try this:

Intent logout_intent = new Intent(DashboardActivity.this, LoginActivity.class);
logout_intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
logout_intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
logout_intent.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
startActivity(logout_intent);
finish();

Detect when an image fails to load in Javascript

The answer is nice, but it introduces one problem. Whenever you assign onload or onerror directly, it may replace the callback that was assigned earlier. That is why there's a nice method that "registers the specified listener on the EventTarget it's called on" as they say on MDN. You can register as many listeners as you want on the same event.

Let me rewrite the answer a little bit.

function testImage(url) {
    var tester = new Image();
    tester.addEventListener('load', imageFound);
    tester.addEventListener('error', imageNotFound);
    tester.src = url;
}

function imageFound() {
    alert('That image is found and loaded');
}

function imageNotFound() {
    alert('That image was not found.');
}

testImage("http://foo.com/bar.jpg");

Because the external resource loading process is asynchronous, it would be even nicer to use modern JavaScript with promises, such as the following.

function testImage(url) {

    // Define the promise
    const imgPromise = new Promise(function imgPromise(resolve, reject) {

        // Create the image
        const imgElement = new Image();

        // When image is loaded, resolve the promise
        imgElement.addEventListener('load', function imgOnLoad() {
            resolve(this);
        });

        // When there's an error during load, reject the promise
        imgElement.addEventListener('error', function imgOnError() {
            reject();
        })

        // Assign URL
        imgElement.src = url;

    });

    return imgPromise;
}

testImage("http://foo.com/bar.jpg").then(

    function fulfilled(img) {
        console.log('That image is found and loaded', img);
    },

    function rejected() {
        console.log('That image was not found');
    }

);

NTFS performance and large volumes of files and directories

I am building a File-Structure to host up to 2 billion (2^32) files and performed the following tests that show a sharp drop in Navigate + Read Performance at about 250 Files or 120 Directories per NTFS Directory on a Solid State Drive (SSD):

The File Performance drops by 50% between 250 and 1000 Files.
The Directory Performance drops by 60% between 120 and 1000 Directories.
Values for Numbers > 1000 remain relatively stable

Interestingly the Number of Directories and Files do NOT significantly interfere.

So the Lessons are:

File Numbers above 250 cost a Factor of 2
Directories above 120 cost a Factor of 2.5
The File-Explorer in Windows 7 can handle large #Files or #Dirs, but Usability is still bad.
Introducing Sub-Directories is not expensive

This is the Data (2 Measurements for each File and Directory):

(FOPS = File Operations per Second)
(DOPS = Directory Operations per Second)

#Files  lg(#)   FOPS    FOPS2   DOPS    DOPS2
   10   1.00    16692   16692   16421   16312
  100   2.00    16425   15943   15738   16031
  120   2.08    15716   16024   15878   16122
  130   2.11    15883   16124   14328   14347
  160   2.20    15978   16184   11325   11128
  200   2.30    16364   16052   9866    9678
  210   2.32    16143   15977   9348    9547
  220   2.34    16290   15909   9094    9038
  230   2.36    16048   15930   9010    9094
  240   2.38    15096   15725   8654    9143
  250   2.40    15453   15548   8872    8472
  260   2.41    14454   15053   8577    8720
  300   2.48    12565   13245   8368    8361
  400   2.60    11159   11462   7671    7574
  500   2.70    10536   10560   7149    7331
 1000   3.00    9092    9509    6569    6693
 2000   3.30    8797    8810    6375    6292
10000   4.00    8084    8228    6210    6194
20000   4.30    8049    8343    5536    6100
50000   4.70    7468    7607    5364    5365

And this is the Test Code:

[TestCase(50000, false, Result = 50000)]
[TestCase(50000, true, Result = 50000)]
public static int TestDirPerformance(int numFilesInDir, bool testDirs) {
    var files = new List<string>();
    var dir = Path.GetTempPath() + "\\Sub\\" + Guid.NewGuid() + "\\";
    Directory.CreateDirectory(dir);
    Console.WriteLine("prepare...");
    const string FILE_NAME = "\\file.txt";
    for (int i = 0; i < numFilesInDir; i++) {
        string filename = dir + Guid.NewGuid();
        if (testDirs) {
            var dirName = filename + "D";
            Directory.CreateDirectory(dirName);
            using (File.Create(dirName + FILE_NAME)) { }
        } else {
            using (File.Create(filename)) { }
        }
        files.Add(filename);
    }
    //Adding 1000 Directories didn't change File Performance
    /*for (int i = 0; i < 1000; i++) {
        string filename = dir + Guid.NewGuid();
        Directory.CreateDirectory(filename + "D");
    }*/
    Console.WriteLine("measure...");
    var r = new Random();
    var sw = new Stopwatch();
    sw.Start();
    int len = 0;
    int count = 0;
    while (sw.ElapsedMilliseconds < 5000) {
        string filename = files[r.Next(files.Count)];
        string text = File.ReadAllText(testDirs ? filename + "D" + FILE_NAME : filename);
        len += text.Length;
        count++;
    }
    Console.WriteLine("{0} File Ops/sec ", count / 5);
    return numFilesInDir; 
}

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