Questions Tagged with #Jstl

JSTL (JSP Standard Tag Library) is a JSP based standard tag library which offers tags to control the flow in the JSP page, date/number formatting and internationalization facilities and several utility EL functions.

Evaluate empty or null JSTL c tags

How can I validate if a String is null or empty using the c tags of JSTL? I have a variable of name var1 and I can display it, but I want to add a comparator to validate it. <c:out value="${var1}..

How to install JSTL? The absolute uri: cannot be resolved

I don't know what I've done incorrectly, but I can't include JSTL. I have jstl-1.2.jar, but unfortunately I get exception: org.apache.jasper.JasperException: The absolute uri:

How to get a index value from foreach loop in jstl

I have a value set in the request object like the following, String[] categoriesList=null; categoriesList = engine.getCategoryNamesArray(); request.setAttribute("categoriesList", categoriesList ); ..

EL access a map value by Integer key

I have a Map keyed by Integer. Using EL, how can I access a value by its key? Map<Integer, String> map = new HashMap<Integer, String>(); map.put(1, "One"); map.put(2, "Two"); map.put(3, "..

Access Enum value using EL with JSTL

I have an Enum called Status defined as such: public enum Status { VALID("valid"), OLD("old"); private final String val; Status(String val) { this.val = val; } public..

How do I compare if a string is not equal to?

I'm trying to only show something based on if a string is not equal to: <c:if test="${content.getContentType().getName() != "MCE"}"> <li><a href="#publish-history" id="publishHistoryTa..

How to resolve : Can not find the tag library descriptor for ""

<%@ taglib prefix="c" uri="" %> <%@ page import="com.library.controller.*"%> <%@ page import="com.library.dao.*" %> <%@ page import="java.util.*" ..

Access Session attribute on jstl

I am trying to access a session attribute from a jsp page which is set and dispatched by a servlet, but I am getting the error message "jsp:attribute must be the subelement of a standard or custom act..

How to do if-else in Thymeleaf?

What's the best way to do a simple if-else in Thymeleaf? I want to achieve in Thymeleaf the same effect as <c:choose> <c:when test="${potentially_complex_expression}"> <h2>H..

How do you get the length of a list in the JSF expression language?

How would I get the length of an ArrayList using a JSF EL expression? #{MyBean.somelist.length} does not work...

JSTL if tag for equal strings

I've got a variable from an object on my JSP page: <%= ansokanInfo.getPSystem() %> The value of the variable is NAT which is correct and I want to apply certain page elements for this value. H..

Sun JSTL taglib declaration fails with "Can not find the tag library descriptor"

I am using a JSP page to print an array of values. I'm trying to use JSTL <c:forEach> for this. <c:forEach items="${objects}" var="object"> <td>${} </td> </c..

Evaluate list.contains string in JSTL

I need to hide an element if certain values are present in the JSP The values are stored in a List so I tried: <c:if test="${ mylist.contains( myValue ) }">style='display:none;'</c:if>..

Set HTML dropdown selected option using JSTL

In the same context i have another query <select multiple="multiple" name="prodSKUs"> <c:forEach items="${productSubCategoryList}" var="productSubCategoryList"> <..

How to select the first element of a set with JSTL?

I managed to do it with the next code but there must be an easier way. <%@ taglib prefix="c" uri="" %> <%@ taglib prefix="fn" uri="

JSP : JSTL's <c:out> tag

Writing a JSP page, what exactly does the <c:out> do? I've noticed that the following both has the same result: <p>The person's name is <c:out value="${}" /></p> &l..

How to set the JSTL variable value in javascript?

How to set the JSTL variable value in java script? <script> function function1() { var val1 = document.getElementById('userName').value; <c:set var="user" value=""/> // how do..

Adding external resources (CSS/JavaScript/images etc) in JSP

I added an external CSS stylesheet to my project and placed in the WEB-CONTENTS folder of my project in Eclipse. When I deployed it on the Tomcat, the stylesheet was not applied. When I debugged it in..

I can pass a variable from a JSP scriptlet to JSTL but not from JSTL to a JSP scriptlet without an error

The following code causes an error: <c:set var="test" value="test1"/> <% String resp = "abc"; resp = resp + test; pageContext.setAttribute("resp", resp); %> <c:out value="..

How to compare two object variables in EL expression language?

I am creating a drop down list of all languages. The default language selection for the list will be determined by information added by the user: <select> <c:forEach items="${languages}..

String Concatenation in EL

I would like to concatenate a string within a ternary operator in EL(Expression Language). Suppose there is a variable named value. If it's empty, I want to use some default text. Otherwise, I need t..

java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config

When I am run my application after entering the URL, this exception is coming.I am using Eclipse and Tomcat7.0.35. I also added Jstl.jar and jstl1.2.jar My code is java.lang.ClassNotFoundException: ..

Loop through a Map with JSTL

I'm looking to have JSTL loop through a Map<String, String> and output the value of the key and it's value. For example I have a Map<String, String> which can have any number of entries, ..

The absolute uri: cannot be resolved in either web.xml or the jar files deployed with this application

I am using JDK 1.7, Apache Tomcat 7.0.23 and I have placed JSTL core library(1.2) and STANDARD jar in WEB_INF lib folder it is not giving me any warning but when I will try to run the code <%@ ta..

Get value from hashmap based on key to JSTL

I want to get the value of HashMap based on key. HashMap<String, ArrayList<String>> map = new HashMap<String, ArrayList<String>>(); ArrayList<String> arrayList = ne..

How to use if-else option in JSTL

Is there an if-else tag available in JSTL?..

Can not find the tag library descriptor for ""

I'm trying to use JSTL, but I get the following error: Can not find the tag library descriptor for "" How is this caused and how can I solve it? ..

Use JSTL forEach loop's varStatus as an ID

I want to use the count from the JSTL forEach loop, but my code doesnt seem to work. <c:forEach items="${loopableObject}" var="theObject" varStatus="theCount"> <div id="divIDNo${theCount..

Increment counter with loop

This question is related to my previous question : Jsp iterate trough object list I want to insert counter that starts from 0 in my for loop, I've tried several combinations so far : 1. <c:forE..

javax.el.PropertyNotFoundException: Property 'foo' not found on type com.example.Bean

I have results from Query query = session.createQuery("From Pool as p left join fetch p.poolQuestion as s"); query and I would like to display it on JSP. I have loop: <c:forEach items="${pools..

Correct syntax to compare values in JSTL <c:if test="${values.type}=='object'">

I have an if statement that I am trying to perform with JSTL. My code is below (the variables values is an ArrayList that contains a user defined object and type is a private property of that object,..

How to access at request attributes in JSP?

Currently I use: <% final String message = (String) request.getAttribute ("Error_Message"); %> and then <%= message %> However I wonder if the same can be done with EL or JSTL instea..

Iterate over elements of List and Map using JSTL <c:forEach> tag

If I have a JSF backing bean return an object of type ArrayList, I should be able to use <c:foreach> to iterate over the elements in the list. Each element contains a map and although the quest..

Check a collection size with JSTL

How can I check the size of a collection with JSTL? Something like: <c:if test="${companies.size() > 0}"> </c:if> ..

How to use if, else condition in jsf to display image

I have a condition where I have an enrollment form in which if userid is 0 it should show the dummy image and when I edit user from any update, I check for if userid which is not equal to 0 then displ..

if...else within JSP or JSTL

I want to output some HTML code based on some condition in a JSP file. if (condition 1) { Some HTML code specific for condition 1 } else if (condition 2) { Some HTML code specific for conditi..

How do I check two or more conditions in one <c:if>?

How do I check two conditions in one <c:if>? I tried this, but it raises an error: <c:if test="${ISAJAX == 0} && ${ISDATE == 0}"> ..

Evaluate if list is empty JSTL

I've been trying to evaluate if this array list is empty or not but none of these have even compiled: <c:if test="${myObject.featuresList.size == 0 }"> <c:if test="${myObj..

Where can I download JSTL jar

Does anyone know because all the places I've tried seem to timeout!..

Iterating through a List Object in JSP

I am working on a project to try and teach myself spring and struts. I am currently stuck on a JSP page. I have a pojo class with variables eid and ename with getters/setters, I also have a table in s..

test attribute in JSTL <c:if> tag

I saw some code like the following in a JSP <c:if test="<%=request.isUserInRole(RoleEnum.USER.getCode())%>"> <li>user</li> </c:if> My confusion is over the "=" tha..

Selected value for JSP drop down using JSTL

I have SortedMap in Servlet to populate drop down values in JSP and I have the following code SortedMap<String, String> dept = findDepartment(); request.setAttribute("dept ", dept); a..

Converting Decimal to Binary Java

I am trying to convert decimal to binary numbers from the user's input using Java. I'm getting errors. package reversedBinary; import java.util.Scanner; public class ReversedBinary { public stat..

Creating virtual directories in IIS express

Is there any way to create a virtual directory in IIS express? I know that Cassini can't do this and it would be nice to be able to do this without using a full version of IIS. I've got it so far tha..

HTTP 415 unsupported media type error when calling Web API 2 endpoint

I have an existing Web API 2 service and need to modify one of the methods to take a custom object as another parameter, currently the method has one parameter which is a simple string coming from the..

Age from birthdate in python

How can I find an age in python from today's date and a persons birthdate? The birthdate is a from a DateField in a Django model...

Turn off deprecated errors in PHP 5.3

My server is running PHP 5.3 and my WordPress install is spitting these errors out on me, causing my session_start() to break. Deprecated: Assigning the return value of new by reference is deprecat..

Peak signal detection in realtime timeseries data

Update: The best performing algorithm so far is this one. This question explores robust algorithms for detecting sudden peaks in real-time timeseries data. Consider the following dataset: Example o..

function is not defined error in Python

I am trying to define a basic function in python but I always get the following error when I run a simple test program; >>> pyth_test(1, 2) Traceback (most recent call last): File "<py..

Hover and Active only when not disabled

I use hover, active and disabled to style Buttons. But the problem is when the button is disabled the hover and active styles still applies. How to apply hover and active only on enabled buttons?..

Hide Command Window of .BAT file that Executes Another .EXE File

This is a batch file in Windows. Here is my .bat file @echo off copy "C:\Remoting.config-Training" "C:\Remoting.config" "C:\ThirdParty.exe" This works fine except the .bat file leaves the..

How to properly URL encode a string in PHP?

I'm making a search page, where you type a search query and the form is submitted to search.php?query=your query. What PHP function is the best and that I should use for encoding/decoding the search q..

Shortcut for echo "<pre>";print_r($myarray);echo "</pre>";

Is there a Shortcut for echo "<pre>"; print_r($myarray); echo "</pre>"; It is really annoying typing those just to get a readable format of an array...

UIView touch event in controller

How can I add UIView touchbegin action or touchend action programmatically as Xcode is not providing from Main.storyboard?..

How do I get the current username in Windows PowerShell?

How do I get the current username in Windows PowerShell?..

FIX CSS <!--[if lt IE 8]> in IE

How can I use this: <!--[if lt IE 8]> <style type='text/css'> #header ul#h-menu li a{font-weight:normal!important} </style> <![endif]--> If I remove <..

What to gitignore from the .idea folder?

Possible Duplicate: Intellij Idea 9/10, what folders to check into (or not check into) source control? I started using WebStorm for web development and am not sure what to add and what to e..

How to display a loading screen while site content loads

I'm working on a site which contains a whole bunch of mp3s and images, and I'd like to display a loading gif while all the content loads. I have no idea how to achieve this, but I do have the animat..

Multiple Buttons' OnClickListener() android

I'm currently making a simple calculator app on Android. Im trying to set up the code so that when a number button is pressed it updates the calculator screen with that number. Currently I'm doing it ..

find vs find_by vs where

I am new to rails. What I see that there are a lot of ways to find a record: find_by_<columnname>(<columnvalue>) find(:first, :conditions => { <columnname> => <columnvalue..

Ruby capitalize every word first letter

I need to make the first character of every word uppercase, and make the rest lowercase... manufacturer.MFA_BRAND.first.upcase is only setting the first letter uppercase, but I need this: ALFA ROM..

How To Check If A Key in **kwargs Exists?

Python 3.2.3. There were some ideas listed here, which work on regular var's, but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs ..

How do I configure Notepad++ to use spaces instead of tabs?

Notepad++ keeps inserting tabs which later messes up my code. This doesn't just happen when I hit the tab key, but other times as well. I want it to use 4 spaces instead of tabs. How can I make Notep..

Checking if an object is a given type in Swift

I have an array that is made up of AnyObject. I want to iterate over it, and find all elements that are array instances. How can I check if an object is of a given type in Swift?..

Pushing value of Var into an Array

I know this is probably a simple question, but I'm attempting a tweak in a plugin & js is not my expertise and I got stumped on how to do the following: I have an array that can contain a number ..

How can I show an image using the ImageView component in javafx and fxml?

I suppose it's a very simple thing but I just can't get behind it. All I want is to show an image over an ImageView linked to fxml. Here is my code: package application; import; import..

Numpy: Get random set of rows from 2D array

I have a very large 2D array which looks something like this: a= [[a1, b1, c1], [a2, b2, c2], ..., [an, bn, cn]] Using numpy, is there an easy way to get a new 2D array with, e.g., 2 random rows..

What languages are Windows, Mac OS X and Linux written in?

I was just wondering who knows what programming languages Windows, Mac OS X and Linux are made up from and what languages are used for each part of the OS (ie: Kernel, plug-in architecture, GUI compon..

How do I make Visual Studio pause after executing a console application in debug mode?

I have a collection of Boost unit tests I want to run as a console application. When I'm working on the project and I run the tests I would like to be able to debug the tests, and I would like to hav..

Rails and PostgreSQL: Role postgres does not exist

I have installed PostgreSQL on my Mac OS Lion, and am working on a rails app. I use RVM to keep everything separate from my other Rails apps. For some reason when I try to migrate the db for the firs..

How to add extra whitespace in PHP?

I was wondering how can I add extra whitespace in php is it something like \s please help thanks. Is there a tutorial that list these kind of things thanks...

How to make a <button> in Bootstrap look like a normal link in nav-tabs?

I'm working in (formerly Twitter) Bootstrap 2 and I wanted to style buttons as though they were normal links. Not just any normal links, though; these are going in a <ul class="nav nav-tabs nav-sta..

How to get the selected radio button value using js

I am using this code to get the value of currently selected radio button, but it doesn't work. var mailcopy = document.getElementById('mailCopy').value; How to get the currently selected radio but..

How to change TIMEZONE for a java.util.Calendar/Date

I would like to change the TIMEZONE value in a Java Calendar instance at runtime. I tried below. But the output is the same in both instances: Calendar cSchedStartCal = Calendar.getInstance(TimeZ..

Obtain form input fields using jQuery?

I have a form with many input fields. When I catch the submit form event with jQuery, is it possible to get all the input fields of that form in an associative array?..

How to disable auto-play for local video in iframe

How to disable auto-play for video when src is from my local pc? <iframe width="465" height="315" src="videos/example.mp4"></iframe> I have tried the following, but it doesn't work: ..

How to lose margin/padding in UITextView?

I have a UITextView in my iOS Application, which displays a large amount of text. I am then paging this text by using the offset margin parameter of the UITextView. My problem is that the padding of..

How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD)

I'm working on web application that needs to render a page and make a screenshot on the client (browser) side. I don't need the screenshot to be saved on the local HDD though, just kept it in RAM an..

PostgreSQL Autoincrement

I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0)...

How do I redirect output to a variable in shell?

I have a script like that genhash --use-ssl -s $IP -p 443 --url $URL | grep MD5 | grep -c $MD5 I want to get stream generated by genhash in a variable. How do I redirect it into a variable $hash to..

How to extract one column of a csv file

If I have a csv file, is there a quick bash way to print out the contents of only any single column? It is safe to assume that each row has the same number of columns, but each column's content would..

EC2 instance types's exact network performance?

I cannot find exact network performance details for different EC2 instance types on Amazon. Instead, they are only saying: High Moderate Low What does this even mean? I especially want to know the..

Sql server - log is full due to ACTIVE_TRANSACTION

I have a very large database (50+ GB). In order to free space in my hard drive, I tried deleting old records from one of the tables . I ran the command: delete from Table1 where TheDate<'2004-01-0..

How to set space between listView Items in Android

I tried to use marginBottom on the listView to make space between listView Item, but still the items are attached together. Is it even possible? If yes, is there a specific way to do it? My code is ..

How to see local history changes in Visual Studio Code?

I'm looking for a way to see my local history changes. Kind of the equivalent way in WebStorm: ..

How do I get cURL to not show the progress bar?

I'm trying to use cURL in a script and get it to not show the progress bar. I've tried the -s, -silent, -S, and -quiet options, but none of them work. Here's a typical command I've tried: curl -s ..

How to check Spark Version

I want to check the spark version in cdh 5.7.0. I have searched on the internet but not able to understand. Please help...

How do I use arrays in C++?

C++ inherited arrays from C where they are used virtually everywhere. C++ provides abstractions that are easier to use and less error-prone (std::vector<T> since C++98 and std::array<T, n>..

Can I get div's background-image url?

I have a button of which when I click it I want to alert the background-image URL of #div1. Is it possible?..

Change SQLite database mode to read-write

How can I change an SQLite database from read-only to read-write? When I executed the update statement, I always got: SQL error: attempt to write a readonly database The SQLite file is a writea..

UITableView - change section header color

How can I change color of a section header in UITableView? EDIT: The answer provided by DJ-S should be considered for iOS 6 and above. The accepted answer is out of date...

ArrayList or List declaration in Java

What is the difference between these two declarations? Declaration 1: ArrayList<String> arrayList = new ArrayList<String>(); Declaration 2: List<String> arrayList = new ArrayLis..

Android view layout_width - how to change programmatically?

This is my view, and I wish to change layout_width to "10dip". How do I do so programmatically? Note, this is not a LinearLayout, it's a View. <View android:id="@+id/nutrition_bar_filled" ..

R plot: size and resolution

I have stacked into the question: I need to plot the image with DPI=1200 and specific print size. By default the png looks ok... png("test.png",width=3.25,height=3.25,units="in",res=1200) par(mar=c..

Get all photos from Instagram which have a specific hashtag with PHP

I need to get some pictures which have a specific hashtag using PHP ? Any help will be awesome, or hint ?..

Get device information (such as product, model) from adb command

One way to achieve this is as follows: adb devices -l example output: 123abc12 device product:<id> model:<id> device:<id> 456abc45 device product:<..

warning about too many open figures

In a script where I create many figures with fix, ax = plt.subplots(...), I get the warning RuntimeWarning: More than 20 figures have been opened. Figures created through the pyplot interface (matplot..

How to get the PYTHONPATH in shell?

debian@debian:~$ echo $PYTHONPATH /home/qiime/lib/: debian@debian:~$ python Python 2.7.3 (default, Jan 2 2013, 16:53:07) [GCC 4.7.2] on linux2 Type "help", "copyright", "credits" or "licen..

Pass entire form as data in jQuery Ajax function

I have a jQuery ajax function and would like to submit an entire form as post data. We are constantly updating the form so it becomes tedious to constantly update the form inputs that should be sent i..

Java - Find shortest path between 2 points in a distance weighted map

I need an algorithm to find shortest path between two points in a map where road distance is indicated by a number. what is given: Start City A Destination City Z List of Distances between Cities: ..

DISTINCT clause with WHERE

How can I use the DISTINCT clause with WHERE? For example: SELECT * FROM table WHERE DISTINCT email; -- email is a column name I want to select all columns from a table with distinct email addresse..

font-family is inherit. How to find out the font-family in chrome developer pane?

In the Chrome's developer pane, I can see these css settings of an element. As far as I can see, every single font-family value is inherit. How can I find what is the actual value of the font fam..

Ajax LARAVEL 419 POST error

I would really appreciate some help on this. I tried tons of solutions as posted in this forum, but I cannot get it to work. My ajax call is something like $(document).ready(function() { $("#co..

pandas groupby sort within groups

I want to group my dataframe by two columns and then sort the aggregated results within the groups. In [167]: df Out[167]: count job source 0 2 sales A 1 4 sales B 2 6 sales C 3 ..

Run Excel Macro from Outside Excel Using VBScript From Command Line

I'm trying to run an Excel macro from outside of the Excel file. I'm currently using a ".vbs" file run from the command line, but it keeps telling me the macro can't be found. Here is the script I'm t..

Format / Suppress Scientific Notation from Python Pandas Aggregation Results

How can one modify the format for the output from a groupby operation in pandas that produces scientific notation for very large numbers? I know how to do string formatting in python but I'm at a lo..

Replacing some characters in a string with another character

I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x, y, and z with _. How can I achieve this? I know that echo "$string" | tr 'x' '_' | tr 'y' '_' would work..

How do you use String.substringWithRange? (or, how do Ranges work in Swift?)

I have not yet been able to figure out how to get a substring of a String in Swift: var str = “Hello, playground” func test(str: String) -> String { return str.substringWithRange( /* What goe..

Check if a value is in an array or not with Excel VBA

I've got some code below, that is supposed to be checking if a value is in an Array or not. Sub test() vars1 = Array("Examples") vars2 = Array("Example") If IsInArray(Range("A1").Value, v..

How do I remove time part from JavaScript date?

I have a date '12/12/1955 12:00:00 AM' stored in a hidden column. I want to display the date without the time. How do I do this?..

Build the full path filename in Python

I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string? The directory may or may not exist at the time of call. For..

When to use single quotes, double quotes, and backticks in MySQL

I am trying to learn the best way to write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real t..

Convert DataTable to IEnumerable<T>

I am trying to convert a DataTable to an IEnumerable. Where T is a custom type I created. I know I can do it by creating a List<T> but I was thinking if there is a slicker way to do it using IEn..

Python-Requests close http connection

I was wondering, how do you close a connection with Requests ( With httplib it's HTTPConnection.close(), but how do I do the same with Requests? Code: r ="http..

How to extract week number in sql

I have a transdate column of varchar2 type which has the following entrees 01/02/2012 01/03/2012 etc. I converted it in to date format in another column using to_date function. This is the format..

AngularJS Folder Structure

How do you layout a folder structure for a large and scaleable AngularJS application?..

Accessing Session Using ASP.NET Web API

I realize session and REST don't exactly go hand in hand but is it not possible to access session state using the new Web API? HttpContext.Current.Session is always null...

Get key and value of object in JavaScript?

Given a JavaScript array of objects, how can I get the key and value of each object? The code below shows what I'd like to do, but obviously doesn't work: var top_brands = [ { 'Adidas' : 100 }, { 'N..

Calling a phone number in swift

I'm trying to call a number not using specific numbers but a number that is being called in a variable or at least tell it to pull up the number in your phone. This number that is being called in a va..

How to download a file via FTP with Python ftplib

I have the following code which easily connects to the FTP server and opens a zip file. I want to download that file into the local system. How to do that? # Open the file for writing in binary mode ..

Can you have if-then-else logic in SQL?

I need to do select data from a table based on some kind of priority like so: select product, price from table1 where project = 1 -- pseudo: if no price found, do this: select product, price from ta..

Assignment inside lambda expression in Python

I have a list of objects and I want to remove all objects that are empty except for one, using filter and a lambda expression. For example if the input is: [Object(name=""), Object(name="fake_name..

What is the result of % in Python?

What does the % in a calculation? I can't seem to work out what it does. Does it work out a percent of the calculation for example: 4 % 2 is apparently equal to 0. How?..

Matplotlib scatter plot legend

I created a 4D scatter plot graph to represent different temperatures in a specific area. When I create the legend, the legend shows the correct symbol and color but adds a line through it. The code I..

How to trim white space from all elements in array?

I was just wondering what the best way to remove the white space from all the elements of a list would be. For example if I had String [] array = {" String", "Tom Selleck "," Fish "} How could I ge..

convert php date to mysql format

I have a date field in php which is using this code: $date = mysql_real_escape_string($_POST['intake_date']); How do I convert this to MySql format 0000-00-00 for inclusion in db. Is it along the ..

Change header text of columns in a GridView

I have a GridView which i programmatically bind using c# code. The problem is, the columns get their header texts directly from Database, which can look odd when presented on websites. So basically, i..

Are there .NET implementation of TLS 1.2?

Since I just discovered that RFC 5425 requires TLS 1.2 to be used, and that .NET doesn't yet support it, I wonder if there are any implementation, possibly open source, of TLS 1.2 protocol, as defined..

What is the point of WORKDIR on Dockerfile?

I'm learning Docker. For many times I've seen that Dockerfile has WORKDIR command: FROM node:latest RUN mkdir -p /usr/src/app WORKDIR /usr/src/app COPY package.json /usr/src/app/ RUN npm install COPY..

Android - Adding at least one Activity with an ACTION-VIEW intent-filter after Updating SDK version 23

I am getting the following tool tip in AndroidManifest.xml: App is not indexable by Google Search; consider adding at least one Activity with an ACTION-VIEW intent-filler. See issue explanation for m..

setup android on eclipse but don't know SDK directory

According to the beginner guide, to setup the ADT Plugin, one of the procedures is For the SDK Location in the main panel, click Bro..

Spring boot - configure EntityManager

I was using Google guice in my project and now I tried to convert the framework to SpringBoot totally. I configured the Bean for persistence.xml like below in @Autowired @Bean(name = "transactionMan..

Variable used in lambda expression should be final or effectively final

Variable used in lambda expression should be final or effectively final When I try to use calTz it is showing this error. private TimeZone extractCalendarTimeZoneComponent(Calendar cal, TimeZone..

How do I detect whether a Python variable is a function?

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