#Infinite | Questions on Infinite

Is it possible to set a number to NaN or infinity?

Is it possible to set an element of an array to NaN in Python? Additionally, is it possible to set a variable to +/- infinity? If so, is there any function to check whether a number is infinity or no..

How can I represent an infinite number in Python?

How can I represent an infinite number in python? No matter which number you enter in the program, no number should be greater than this representation of infinity...

Bash: infinite sleep (infinite blocking)

I use startx to start X which will evaluate my .xinitrc. In my .xinitrc I start my window manager using /usr/bin/mywm. Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too ..

Mac OS X and multiple Java versions

How can I install an additional java on MacOS? I installed jdk8 and that works fine. but now I need a jdk7 installation for development purposes. When trying to install the old version via DMG file, ..

If WorkSheet("wsName") Exists

I'm wondering if there is clean cut functionality that returns True or False if a worksheet inside a workbook exists? It would be good, but not essential, if it's possible to do it without skipping ..

Which version of Python do I have installed?

I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter? I was thinking of updating to the latest version of Python...

Open files always in a new tab

I am using Visual Studio Code 1.3.1 with the newly introduced tabs. When I click on files, the first file will open in a tab. If I do not make any changes to this file, the second clicked file will o..

7-zip commandline

I'm creating a backup utility that zips all the files listed in a text file. I am using MS ACCESS as my front-end and 7-Zip for compression. These are the commands I am using: 7zG.exe a c:\Backup\bac..

How do I add a auto_increment primary key in SQL Server database?

I have a table set up that currently has no primary key. All I need to do is add a primary key, no null, auto_increment. I'm working with a Microsoft SQL Server database. I understand that it can't b..

Why Anaconda does not recognize conda command?

I installed the latest version of Anaconda. Now I want to install OpenCV within it. When I type: conda install -c https://conda.binstar.org/anaconda opencv I get this message error: "conda is not r..

PHP shell_exec() vs exec()

I'm struggling to understand the difference between shell_exec() and exec()... I've always used exec() to execute server side commands, when would I use shell_exec()? Is shell_exec() just a shorthan..

AngularJS ui router passing data between states without URL

I am facing this problem of passing data between two states without exposing the data in the url, it's like user cannot really directly land on this state. For example. I have two states "A" and "B"...

Current user in Magento?

I'm customizing the product view page and I need to show the user's name. How do I access the account information of the current user (if he's logged in) to get Name etc. ?..

Alter table add multiple columns ms sql

Can anyone tell me where is the mistake in the following query ALTER TABLE Countries ADD ( HasPhotoInReadyStorage bit, HasPhotoInWorkStorage bit, HasPhotoInMaterialStorage bit, HasText bit); ..

Sorting a List<int>

Using C# what is the best way to sort a List numerically? my list has items 5,7,3 and I would like them sorted 3,5,7. I know some longer ways, but I would imagine linq has a quicker way? sorry this ..

How do I remove an array item in TypeScript?

I have an array that I've created in TypeScript and it has a property that I use as a key. If I have that key, how can I remove an item from it?..

When I catch an exception, how do I get the type, file, and line number?

Catching an exception that would print like this: Traceback (most recent call last): File "c:/tmp.py", line 1, in <module> 4 / 0 ZeroDivisionError: integer division or modulo by zero I ..

How to redirect to Index from another controller?

I have been looking through trying to find some way to redirect to an Index view from another controller. public ActionResult Index() { ApplicationController viewModel = new Appl..

Angular - ui-router get previous state

Is there a way to get the previous state of the current state? For example I would like to know what the previous state was before current state B (where previous state would have been state A). I..

android: how to use getApplication and getApplicationContext from non activity / service class

I'm using extending application class on Android to share my data across the entire app. I can use getApplication() method from all my activities. However, there are certain custom helper classes I ..

How to show PIL Image in ipython notebook

This is my code from PIL import Image pil_im = Image.open('data/empire.jpg') I would like to do some image manipulation on it, and then show it on screen. I am having problem with showing PIL Image..

What is the volatile keyword useful for?

At work today, I came across the volatile keyword in Java. Not being very familiar with it, I found this explanation. Given the detail in which that article explains the keyword in question, do you ev..

Select multiple columns from a table, but group by one

The table name is "OrderDetails" and columns are given below: OrderDetailID || ProductID || ProductName || OrderQuantity I'm trying to select multiple columns and Group By ProductID while having SU..

How do you change the width and height of Twitter Bootstrap's tooltips?

I created a tooltip using Twitter Bootstrap. The tooltip is displaying with three lines. However, I would like to display the tooltip with only one line. How do I change the width of the tooltip? Is..

jQuery Button.click() event is triggered twice

I have the following problem with this code: <button id="delete">Remove items</button> $("#delete").button({ icons: { primary: 'ui-icon-trash' } }).click(function(..

Cannot import keras after installation

I'm trying to setup keras deep learning library for Python3.5 on Ubuntu 16.04 LTS and use Tensorflow as a backend. I have Python2.7 and Python3.5 installed. I have installed Anaconda and with help of ..

How to append in a json file in Python?

I have the a json file whose contents is {"67790": {"1": {"kwh": 319.4}}}. Now I create a dictionary a_dict which I need to append it into the json file. I tried the following but was not able to do i..

Bootstrap datepicker hide after selection

How do I hide the calendar after a date is selected? Is there a specific function that I can use? My code below: $('#dp1').datepicker({ format: 'mm-dd-yyyy', startDate: '-15d', autoclose..

What is the difference between .text, .value, and .value2?

What is the difference between .text, .value, and .value2? Such as when should target.text, target.value, and target.value2 be used?..

When a 'blur' event occurs, how can I find out which element focus went to?

Suppose I attach an blur function to an HTML input box like this: <input id="myInput" onblur="function() { ... }"></input> Is there a way to get the ID of the element which caused the b..

DateTime and CultureInfo

I have this in my code: var date1 = DateTime.ParseExact(date, "dd.MM.yyyy HH:mm:ss", System.Globalization.CultureInfo.InvariantCulture); And when my current cultur is dutch (nl-NL) instead of May 1..

How to customize the background color of a UITableViewCell?

I would like to customize the background (and maybe the border too) of all of the UITableViewCells within my UITableView. So far I have not been able to customize this stuff, so I have a bunch of whit..

How to set editor theme in IntelliJ Idea

I'm trying to change the editor color schemes in IntelliJ Idea 13.1.3 community edition to a darker theme. I downloaded a theme from a website [Editor's note: the website has since been replaced with ..

AND/OR in Python?

I know that the and and or expressions exist in python, but is there any and/or expression? Or some way to combine them in order to produce the same effect as a and/or expression? my code looks somet..

How to find when a web page was last updated

Is there a way to find out how much time has passed since a web page was changed? For example, I have a page hosted at: www.mywebsitenotupdated.com Is there a way to find out when this HTML page w..

How do you scroll up/down on the console of a Linux VM

I recognize that Up/Down will give you the command history. But, how do you look at past output by scrolling up and down? I have used Shift+Page Up/Page Down, Alt+Shift+Up/Down and Page Up/Page Down ..

Converting a Uniform Distribution to a Normal Distribution

How can I convert a uniform distribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?..

jQuery function to get all unique elements from an array?

jQuery.unique lets you get unique elements of an array, but the docs say the function is mostly for internal use and only operates on DOM elements. Another SO response said the unique() function worke..

Right HTTP status code to wrong input

What is optimal HTTP response Code when not reporting 200 (everything OK) but error in input? Like, you submit some data to server, and it will response that your data is wrong using 500 looks m..

Equivalent of varchar(max) in MySQL?

What is the equivalent of varchar(max) in MySQL?..

How to write and save html file in python?

This is what I know about writing to an HTML file and saving it: html_file = open("filename","w") html_file.write() html_file.close() But how do I save to the file if I want to wr..

Reset push notification settings for app

I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the fi..

Oracle: How to find out if there is a transaction pending?

I'm looking for a way to find out if there are uncommited INSERT, UPDATE or DELETE statements in the current session. One way would be to check v$lock with the current sid, but that requires read acce..

Python - Locating the position of a regex match in a string?

I'm currently using regular expressions to search through RSS feeds to find if certain words and phrases are mentioned, and would then like to extract the text on either side of the match as well. For..

Rendering HTML inside textarea

I need to be able to render some HTML tags inside a textarea (namely <strong>, <i>, <u>, <a>) but textareas only interpret their content as text. Is there an easy way of doing ..

Can I try/catch a warning?

I need to catch some warnings being thrown from some php native functions and then handle them. Specifically: array dns_get_record ( string $hostname [, int $type= DNS_ANY [, array &$authns ..

Shift elements in a numpy array

Following-up from this question years ago, is there a canonical "shift" function in numpy? I don't see anything from the documentation. Here's a simple version of what I'm looking for: def shift(xs,..

Ruby class instance variable vs. class variable

I read "https://stackoverflow.com/questions/826734/when-do-ruby-instance-variables-get-set" but I'm of two minds when to use class instance variables. Class variables are shared by all objec..

How can I determine if a date is between two dates in Java?

How can I check if a date is between two other dates, in the case where all three dates are represented by instances of java.util.Date?..

AngularJS - Access to child scope

If I have the following controllers: function parent($scope, service) { $scope.a = 'foo'; $scope.save = function() { service.save({ a: $scope.a, b: $scope.b..

Does my application "contain encryption"?

I'm uploading a binary for the first time. iTunes Connect has asked me: Export laws require that products containing encryption be properly authorized for export. Failure to comply could result ..

Swift: How to get substring from start to last index of character

I want to learn the best/simplest way to turn a string into another string but with only a subset, starting at the beginning and going to the last index of a character. For example, convert "www.stac..

Replace whitespaces with tabs in linux

How do I replace whitespaces with tabs in linux in a given text file?..

Truncate a string straight JavaScript

I'd like to truncate a dynamically loaded string using straight JavaScript. It's a url, so there are no spaces, and I obviously don't care about word boundaries, just characters. Here's what I got..

Return rows in random order

Is it possible to write SQL query that returns table rows in random order every time the query run?..

Difference between signed / unsigned char

So I know that the difference between a signed int and unsigned int is that a bit is used to signify if the number if positive or negative, but how does this apply to a char? How can a character be po..

How to configure multi-module Maven + Sonar + JaCoCo to give merged coverage report?

I've searched up and down the internet for this one. There's lots of half-answers out there, to do with Maven properties such as ${sonar.jacoco.reportPath}, or org.jacoco:jacoco-maven-plugin:prepare-a..

How can I roll back my last delete command in MySQL?

I accidentally deleted some huge number of rows from a table... How can I roll it back? I executed the query using PuTTY. I'll be grateful if any of you can guide me safely out of this.....

Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone

You can use the function tz_localize to make a Timestamp or DateTimeIndex timezone aware, but how can you do the opposite: how can you convert a timezone aware Timestamp to a naive one, while preservi..

What's a good, free serial port monitor for reverse-engineering?

I'm reverse-engineering a serial protocol and getting frustrated by bad tools. Does anyone know of a good, free tool for logging data to/from serial ports on Windows? Requirements: Must be free Mu..

install cx_oracle for python

Am on Debian 5, I've been trying to install cx_oracle module for python without any success. First, I installed oracle-xe-client and its dependency (followed tutorial in the following link here). Th..

How to add Headers on RESTful call using Jersey Client API

Here is the Format for RESTful call: HEADERS: Content-Type: application/json;charset=UTF-8 Authorization: Bearer Rc7JE8P7XUgSCPogjhdsVLMfITqQQrjg REQUEST: GET https://api.example.com/1/r..

An "and" operator for an "if" statement in Bash

I'm trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work: #!/usr/bin/env bash WEBSITE=domain.com SUBJECT="$WEBSITE DOWN!" EMAILID..

Getting Unexpected Token Export

I am trying to run some ES6 code in my project but I am getting an unexpected token export error. export class MyClass { constructor() { console.log("es6"); } } ..

Java getting the Enum name given the Enum Value

How can I get the name of a Java Enum type given its value? I have the following code which works for a particular Enum type, can I make it more generic? public enum Category { APPLE("3"), ..

How can I list all commits that changed a specific file?

Is there a way to list all commits that changed a specific file?..

Disallow Twitter Bootstrap modal window from closing

I am creating a modal window using Twitter Bootstrap. The default behavior is if you click outside the modal area, the modal will automatically close. I would like to disable that -- i.e. not close th..

Turning off auto indent when pasting text into vim

I am making the effort to learn Vim. When I paste code into my document from the clipboard, I get extra spaces at the start of each new line: line line line I know you can turn off auto inde..

How to redirect to another page using PHP

I'm building a website which includes a login page. I need to redirect the user to their profile page once they've logged in successfully, but I don't know how to do that in PHP (It's my first site). ..

Why am I seeing net::ERR_CLEARTEXT_NOT_PERMITTED errors after upgrading to Cordova Android 8?

After upgrading to Cordova Android 8.0, I am seeing net::ERR_CLEARTEXT_NOT_PERMITTED errors when trying to connect to http:// targets. Why is that and how can I resolve this?..

Exception in thread "main" java.util.NoSuchElementException

Whenever I run this, the chooseCave() function works fine with the in.nextInt(). When I choose the cave, the messages pop up at 2-second intervals, and then as soon as it gets past that part, it gives..

A simple scenario using wait() and notify() in java

Can I get a complete simple scenario i.e. tutorial that suggest how this should be used, specifically with a Queue?..

Printing Python version in output

How can I print the version number of the current Python installation from my script?..

Alter a SQL server function to accept new optional parameter

I already have a function in SQL Server 2005 as: ALTER function [dbo].[fCalculateEstimateDate] (@vWorkOrderID numeric) Returns varchar(100) AS Begin <Function Body> End I want to modify th..

C++ printing boolean, what is displayed?

I print a bool to an output stream like this: #include <iostream> int main() { std::cout << false << std::endl; } Does the standard require a specific result on the stream (e..

Using GitLab token to clone without authentication

I want to clone GitLab repository without prompt for my automation script, by using my private token from my GitLab account. Can someone provide me a sample? I know I can do so with user and password:..

Confirm button before running deleting routine from website

I have a page on my website that is dynamically created with information from an SQL database. As well as the data being displayed a delete link is also created for each record which links to a php fi..

Find the PID of a process that uses a port on Windows

My service crash on startup with the classic: java.rmi.server.ExportException: Listen failed on port: 9999 How can I find the process for killing it?..

fatal error: mpi.h: No such file or directory #include <mpi.h>

when I compile my script with only #include <mpi.h> it tells me that there is no such file or directory. But when i include the path to mpi.h as #include "/usr/include/mpi/mpi.h" (the path..

Warning: mysqli_connect(): (HY000/1045): Access denied for user 'username'@'localhost' (using password: YES)

Warning: mysqli_connect(): (HY000/1045): Access denied for user 'username'@'localhost' (using password: YES) in C:\Users\xampp\htdocs\PHP_Login_Script\config.php on line 6 Warning: mysqli_real..

How to disable Django's CSRF validation?

I have commented out csrf processor and middleware lines in settings.py: 122 123 TEMPLATE_CONTEXT_PROCESSORS = ( 124 'django.contrib.auth.context_processors.auth', 125 # 'django.core.context_..

How do I control how Emacs makes backup files?

Emacs puts backup files named foo~ everywhere and I don't like having to remember to delete them. Also, if I edit a file that has a hard link somewhere else in the file system, the hard link points t..

right align an image using CSS HTML

How can I right-align an image using CSS. I do not want the text to wrap-around the image. I want the right aligned image to be on a line by itself...

Running multiple AsyncTasks at the same time -- not possible?

I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.) However, only the first gets executed. Here's a simple snippet to describe my problem: public class AndroidJunk..

Using both Python 2.x and Python 3.x in IPython Notebook

I use IPython notebooks and would like to be able to select to create a 2.x or 3.x python notebook in IPython. I initially had Anaconda. With Anaconda a global environment variable had to be changed..

Android - how to make a scrollable constraintlayout?

I want to make a layout that lets me scroll down using constraint layout, but I don't know how to go about it. Should the ScrollView be the parent of the ConstraintLayout like this? <?xml version=..

What is difference between png8 and png24

I want to know about uses of png files. There are two formats available for png images; one is png8 and the another one is png24. I would like to know that if I use either type in my html page, will..

Modifying location.hash without page scrolling

We've got a few pages using ajax to load in content and there's a few occasions where we need to deep link into a page. Instead of having a link to "Users" and telling people to click "settings" it's ..

Padding a table row

<html> <head> <title>Table Row Padding Issue</title> <style type="text/css"> tr { padding: 20px; } <..

What is the Java equivalent of PHP var_dump?

PHP has a var_dump() function which outputs the internal contents of an object, showing an object's type and content. For example: class Person { private $firstName; private $lastName; public..

How do you decrease navbar height in Bootstrap 3?

I want to make my navbar in BS3 to be of height 20px. How do I do this? I've tried the following: .tnav .navbar .container { height: 28px; } Did nothing. .navbar-fixed-top { height: 25px; /* ..

How can I build for release/distribution on the Xcode 4?

Build for debug is just press on the PLAY symbol, but I don't know how to Build for distribution/release? ..

What are the uses of the exec command in shell scripts?

Can anyone explain what are the uses of the exec command in shell scripting with simple examples?..

C++: variable 'std::ifstream ifs' has initializer but incomplete type

Sorry if this is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream: vector<string> load_f(string file) { vector<string> text; ifstream i..

What is the difference between <html lang="en"> and <html lang="en-US">?

What is the difference between <html lang="en"> and <html lang="en-US">? What other values can follow the dash? According to w3.org "Any two-letter subcode is understood to be a [ISO3166]..

How to use Bootstrap in an Angular project?

I am starting my first Angular application and my basic setup is done. How can I add Bootstrap to my application? If you can provide an example then it would be a great help...

Removing nan values from an array

I want to figure out how to remove nan values from my array. My array looks something like this: x = [1400, 1500, 1600, nan, nan, nan ,1700] #Not in this exact configuration How can I remove the n..

When to use Common Table Expression (CTE)

I have begun reading about Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there ..

Writing outputs to log file and console

In Unix shell, I have a env file (env file defines the parameters required for running the user script like log file name and path, redirect outputs and errors to log file, database connection details..

How to create a QR code reader in a HTML5 website?

I was looking for possibility to create QR code reader in my HTML5 based web page. I've done some googling and all the links point me to the mobile applications. Please help me with some pointers as..

Submit form on pressing Enter with AngularJS

In this particular case, what options do I have to make these inputs call a function when I press Enter? // HTML view // <form> <input type="text" ng-model="name" <!-- Press ENTER and..

How to set a CMake option() at command line

I created a CMakeLists.txt that contains the following project(P4V) cmake_minimum_required(VERSION 2.6) option(BUILD_STATIC_LIBS "Build the static library" ON) option(BUILD_SHARED_LIBS "Build the sh..

#1214 - The used table type doesn't support FULLTEXT indexes

I'm getting an error saying that the table type doesn't support FULLTEXT indices. How can I achieve this? Here's my table: CREATE TABLE gamemech_chat ( id bigint(20) unsigned NOT NULL auto_increme..

How to create an empty DataFrame with a specified schema?

I want to create on DataFrame with a specified schema in Scala. I have tried to use JSON read (I mean reading empty file) but I don't think that's the best practice...

How to use a decimal range() step value?

Is there a way to step between 0 and 1 by 0.1? I thought I could do it like the following, but it failed: for i in range(0, 1, 0.1): print i Instead, it says that the step argument cannot be ..

How can I create a marquee effect?

I'm creating a marquee effect with CSS3 animation. _x000D_ _x000D_ #caption {_x000D_ position: fixed;_x000D_ bottom: 0;_x000D_ left: 0;_x000D_ font-size: 20px;_x000D_ line-height:..

avrdude: stk500v2_ReceiveMessage(): timeout

This is the main error that I get when I try to run my ARDUINO program. The full list of errors is as follows: avrdude: stk500v2_ReceiveMessage(): timeout avrdude: stk500v2_ReceiveMessage(): timeout ..

How can I render Partial views in asp.net mvc 3?

I have some data in ViewData.Model, and in my views I want to write a partial view and to pass their current model I have in my page. How I can pass their current ViewData.Model and render them throu..

C++ error: "Array must be initialized with a brace enclosed initializer"

I am getting the following C++ error: array must be initialized with a brace enclosed initializer From this line of C++ int cipher[Array_size][Array_size] = 0; What is the problem here? What do..

ssl.SSLError: tlsv1 alert protocol version

I'm using the REST API for a Cisco CMX device, and trying to write Python code which makes a GET request to the API for information. The code is as follows and is the same as that in the file except w..

How do you attach and detach from Docker's process?

I can attach to a docker process but Ctrl+c doesn't work to detach from it. exit basically halts the process. What's the recommended workflow to have the process running, occasionally attaching to i..

Replace single quotes in SQL Server

I have this function in SQL Server to replace single quotes. But when I insert a single quote it throws an error on Replace(@strip,''','')): Create Function [dbo].[fn_stripsingleQuote] (@strStri..

Why is my CSS bundling not working with a bin deployed MVC4 app?

I have bin deployed an MVC4 application to my hosting provider, based on advice given here and one or two on-the-fly fixes, but the most immediately apparent problem is that the bundling for css doesn..

Nginx upstream prematurely closed connection while reading response header from upstream, for large requests

I am using nginx and node server to serve update requests. I get a gateway timeout when I request an update on large data. I saw this error from the nginx error logs : 2016/04/07 00:46:04 [error] 285..

How to generate a simple popup using jQuery

I am designing a web page. When we click the content of div named mail, how can I show a popup window containing a label email and text box?..

How do I set the proxy to be used by the JVM

Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading an XML file and needs to download its schema. I am behind a proxy server. How can I set my ..

ES6 Class Multiple inheritance

I've done most of my research on this on BabelJS and on MDN (which has no information at all), but please feel free to tell me if I have not been careful enough in looking around for more information ..

What is the best way to measure execution time of a function?

Obviously I can do and DateTime.Now.After - DateTime.Now.Before but there must be something more sophisticated. Any tips appreciated...

How can I undo a `git commit` locally and on a remote after `git push`

I have performed git commit followed by a git push. How can I revert that change on both local and remote repositories? $ git log commit 364705c23011b0fc6a7ca2d80c86cef4a7c4db7ac8 Author: Michael Si..

Is there a better way to do optional function parameters in JavaScript?

I've always handled optional parameters in JavaScript like this: function myFunc(requiredArg, optionalArg){ optionalArg = optionalArg || 'defaultValue'; // Do stuff } Is there a better way to ..

How to fix request failed on channel 0

When I want to connect to my server like this ssh -a [email protected] -p 22 it gives me two error messages: PTY allocation request failed on channel 0 shell request failed on channel 0 When..

Save a file in json format using Notepad++

I have a json format (let's say text) in Notepad++. I want to save it as a json file using filename.json format. How can I make it in Notepad++ (because I can't find the extension when I go to save ..

ASP.NET MVC Page Won't Load and says "The resource cannot be found"

I am having a problem where I try to open my ASP.NET MVC application but I get the ASP.NET error page which says this: Server Error in '/' Application. The resource cannot be found. Descri..

What is the significance of 1/1/1753 in SQL Server?

Why 1753? What do they have against 1752? My great great great great great great great grandfather would be very offended...

how does Request.QueryString work?

I have a code example like this : location.href = location.href + "/Edit?pID=" + hTable.getObj().ID; ; //aspx parID = Request.QueryString["pID"]; //c# it works, my question is - how ? what i..

Where does forever store console.log output?

I installed forever and am using it, finding it quite funny. But I realized that the logs are placed to somewhere else. Is there any tips?..

How can I make a HTML a href hyperlink open a new window?

This is my code: <a href="http://www.google.com" onClick="window.location.href='http://www.yahoo.com';return false;" target="_blank">test</a> When you click it, it takes you to Yahoo bu..

Could not load file or assembly 'CrystalDecisions.ReportAppServer.CommLayer, Version=13.0.2000.0

I have developed a simple project. where i have to print some crystal report. the project runs very well in local machine, but when i up this on a web hosting server, it shows me an error when crystal..

Installing mysql-python on Centos

I'm trying to get the MySQL-python lib installed on centos 5.5. I ran sudo yum install MySQL-python but then when I tried: import MySQLdb I get this error: Traceback (most recent call last): ..

Spring RestTemplate GET with parameters

I have to make a REST call that includes custom headers and query parameters. I set my HttpEntity with just the headers (no body), and I use the RestTemplate.exchange() method as follows: HttpHeaders..

Convert negative data into positive data in SQL Server

The current data of the table is: a b --------- -1 5 -11 2 -5 32 My request is to convert every data into a positive value. Unfortunately, I forgot the name of the built-in function of SQL..

How to convert a JSON string to a Map<String, String> with Jackson JSON

I'm trying to do something like this but it doesn't work: Map<String, String> propertyMap = new HashMap<String, String>(); propertyMap = JacksonUtils.fromJSON(properties, Map.class); B..

What's the Kotlin equivalent of Java's String[]?

I see that Kotlin has ByteArray, ShortArray, IntArray, CharArray, DoubleArray, FloatArray, which are equivalent to byte[], short[], int[],char[], double[], float[] in Java. Now I'm wondering, is ther..

SQL query for getting data for last 3 months

How can you get today's date and convert it to 01/mm /yyyy format and get data from the table with delivery month 3 months ago? Table already contains delivery month as 01/mm/yyyy...

How to install JSON.NET using NuGet?

I am trying to download JSON.NET from NuGet. Is it available? What's the correct command?..

When would you use the different git merge strategies?

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