calling non-static method in static method in Java [duplicate]

calling non-static method in static method in Java [duplicate]

This question already has an answer here: Cannot make a static reference to the non-static method 8 answers I'm getting an error when I try to call a n

ORA-00979 not a group by expression

ORA-00979 not a group by expression

I am getting ORA-00979 with the following query:SELECT cr.review_sk, cr.cs_sk, cr.full_name,tolist(to_char(cf.fact_date, 'mm/dd/yyyy')) "appt",cs.cs_id, cr.tracking_numberfrom review cr, cs, fact cfwhere cr.cs_sk = cs.cs_skand UPPER(cs.cs_i

How to pass variables and data from PHP to JavaScript?

How to pass variables and data from PHP to JavaScript?

I have a variable in PHP, and I need its value in my JavaScript code. How can I get my variable from PHP to JavaScript?I have code that looks like this:<?php ... $val = $myService->getValue(); // makes an api and db call?>I have Jav

Using std::unique_ptr for Windows HANDLEs

Using std::unique_ptr for Windows HANDLEs

I am attempting to use std::unique_ptrs to manage Windows HANDLEs in an exception-safe manner.First I tried:struct HandleDeleter{ void operator()( HANDLE handle ) { if( handle ) { FindVolumeClose( handle )

Adding git subtree from a branch

Adding git subtree from a branch

I'm trying to add a repo (called cow) to my project using git subtree add. In particular, I'd like to add the branch stable (which is not the master branch). I tried:git subtree add -P cow https://github.com/geoffryan/cow.git stableBut th

How to make Xcode automatically conform to a protocol

How to make Xcode automatically conform to a protocol

When I use a prototype table view, I always have to conform to the protocol TableViewDataSource. I always forget what methods I need to implement, so I have to look at the source of the protocol every time. This is really time consuming.I t

CSS - Internet Explorer and the  tag background

CSS - Internet Explorer and the tag background

I have a pretty simple layout which renders fine in both Firefox and Chrome, but Internet Explorer (version 11) seems to be unable to render any kind of background color for the element.I have the element as a child of the element and ne

idioms for returning multiple values in shell scripting

idioms for returning multiple values in shell scripting

Are there any idioms for returning multiple values from a bash function within a script?http://tldp.org/LDP/abs/html/assortedtips.html describes how to echo multiple values and process the results (e.g., example 35-17), but that gets tricky

What is the unit of time in MySQL's slow-query log?

What is the unit of time in MySQL's slow-query log?

I'm looking at the slow query log from a drupal-based webapp, and have lines that look like this:# Query_time: 3257 Lock_time: 0 Rows_sent: 272 Rows_examined: 272# Query_time: 1654 Lock_time: 0 Rows_sent: 222 Rows_examined: 222# Query

How to Explode String Right to Left?

How to Explode String Right to Left?

$split_point = ' - ';$string = 'this is my - string - and more';How can i make a split using the second instance of $split_point and not the first one. Can I specify somehow a right to left search? Best simple approach?Basically how do I ex

pandas: how to run a pivot with a multi-index?

pandas: how to run a pivot with a multi-index?

I would like to run a pivot on a pandas DataFrame, with the index being two columns, not one. For example, one field for the year, one for the month, an 'item' field which shows 'item 1' and 'item 2' and a 'value' field with numerical value

Part of fragment inside ViewPager getting cut off at bottom of screen(Android)

Part of fragment inside ViewPager getting cut off at bottom of screen(Android)

I have defined a basic Coordinator layout for my view: There are multiple tabs in my view pager. I am posting one of my simple fragments:What happens is that the FAB goes out of screen. It's just not the FAB, but

jQuery Duplicate Selector error

jQuery Duplicate Selector error

I am currently trying to set up a table with 6 clickable cels that allow for a input box to appear so you can add comments but I am getting a duplicated jQuery selector error and also through debugging my second function I found that .html(

Why are there two colons here? span::before

Why are there two colons here? span::before

This is the full line of code I'm looking at, and here is its context: http://acidmartin.wordpress.com/2011/02/24/custom-crossbrowser-styling-for-checkboxes-and-radio-buttonsinput[type="radio"] + span::before { content: ""; display: inline-

Placeholder CSS not being applied in IE 11

Placeholder CSS not being applied in IE 11

I am getting some problem in applying placeholder css.I am trying to apply css (i.e. color:#898F9C;) on input-box placeholder using pseudo-class selector :-ms-input-placeholder, but it's not working in IE.Demo After some hit and try, I get

Data type conversion in MongoDB

Data type conversion in MongoDB

I have a collection called Document in MongoDB. Documents in this collection have a field called CreationDate stored in ISO date type. My task is to count the number of documents created per day and sort by the number asynchronously. The ou

Facebook debugger: why complaining about app_id missing

Facebook debugger: why complaining about app_id missing

While using the facebook debugger, it complains: Warning fb:app_id hasn't been included in the meta tags. Specify the app ID so that stories shared to Facebook will be properly attributed to the app. Alternatively, app_id can be set in ur

How can it be that this == null?

How can it be that this == null?

EDIT: This is not a duplicate of this question as this one is a practical example working with Delegate.CreateDelegate and the other one is a theoretical discussion about IL. Nothing to do one with each other besides the words this and null

Angular JS $watch vs $on

Angular JS $watch vs $on

I want to execute a function inside a directive, whenever there is a state change in the parent scope.The obvious way to achieve this is to use event broadcasts ($broadcast) and listeners ($on).I am curious if using a $watch is an alternati

HoughLines transform in opencv

HoughLines transform in opencv

I am working on image processing using opencv and Eclipse. vector lines; HoughLines(dst, lines, 1, CV_PI/180, 100, 0, 0 ); for( size_t i = 0; i Can anyone explain that how the points are being defined by this code. We are using y=(-cos

How does MySQL Cluster determine which data nodes to search for a SELECT query?

How does MySQL Cluster determine which data nodes to search for a SELECT query?

I'm researching how to resolve a situation where a client needs all data for a particular customer (and only the data for that customer) to be stored on a geographically disparate database server.For example, all data should be stored in da

opencv estimateRigidTransform: How to get global scale?

opencv estimateRigidTransform: How to get global scale?

I'm using openCV's estimateRigidTransform to stabilize a series of video frames, which works very well.The function returns a 2x3 transformation matrix M:| a_11 a_12 b_1 || -a_12 a_11 b_2 |As far as I understand the b elements represent th

Android Bind Spinner to Class

Android Bind Spinner to Class

I'm having some trouble with the Spinner widget. Given the following code: ArrayList people= new ArrayList(); Person = null; for(int i = 0; i!= 10; i++) { p = new Person(); s.setID(i); s.setName("Name " + i);

How to send and receive data in Android Programming using bluetooth without pairing?

How to send and receive data in Android Programming using bluetooth without pairing?

I am new to Android programming, and have java concept, I want to know that how can I send and receive data using bluetooth without pairing or any password (Only if both device has my app installed), any suggestion? 1:As far as I know it

Constructor Chaining in Java

Constructor Chaining in Java

I hava slight doubt regarding the Output of the Program of Constructor Chaining I showed Below:class Cube { int length; int breadth; int height; public int getVolume() { return (length * breadth * height); } Cube()