Possible Duplicate:
ReSharper and var
After I have installed ReSharper it demands(by warnings) that I use var whenever possible, for example
UnhandledExceptionEventArgs ue = (UnhandledExce..
I've seen many times the following syntax which defines a column in a create/alter DDL statement:
ALTER TABLE tbl ADD COLUMN col VARCHAR(20) NOT NULL DEFAULT "MyDefault"
The question is: since a de..
I keep getting an error with the following code:
Dictionary<string, string> rct3Features = new Dictionary<string, string>();
Dictionary<string, string> rct4Features = new Dictionary..
What are some good ways to do this? Is it even possible to do cleanly?
Ideally I'd like to use packet headers to decide which server should handle requests. However, if there is an easier/better way..
I'm on Kubuntu 12.04, and after installing mysql via an apt-get (mysql ver: 5.5.35), i'm trying to start mysql service, but I got this error:
sudo service mysql start
start: Job failed to sta..
I'm trying to convert a longish hollow "data" class into a named tuple. My class currently looks like this:
class Node(object):
def __init__(self, val, left=None, right=None):
self.val = ..
This is done automatically for every browser except Chrome.
I'm guessing I have to specifically target Chrome.
Any solutions?
If not with CSS, then with jQuery?
Kind regards...
What is the best Java library to use for HTTP POST, GET etc. in terms of performance, stability, maturity etc.? Is there one particular library that is used more than others?
My requirements are subm..
I saw this code in someone's iPython notebook, and I'm very confused as to how this code works. As far as I understood, pd.loc[] is used as a location based indexer where the format is:
df.loc[index,..
I am trying to create a simple JavaScript function. When someone inserts a number in an input field, the value of another field should change to that value. Here is what I have at the moment:
function..
I want to write a program in C that displays each word of a whole sentence (taken as input) at a seperate line. This is what i have done so far:
void manipulate(char *buffer);
int get_words(char *b..
I want an event to fire client side when a checkbox is checked / unchecked:
$('.checkbox').click(function() {
if ($(this).is(':checked')) {
// Do stuff
}
});
Basically I want it to happen f..
How do I stop Notepad++ from loading all files from the past session?
Every time I open a file I have 10 other open tabs with all my past files. I don't want that. When I hit the close button I exp..
As part of a project for school, I need to replace a string from the form:
5 * x^3 - 6 * x^1 + 1
to something like:
5x<sup>3</sup> - 6x<sup>1</sup> + 1
I believe this can..
I have a string vaguely like this:
foo,bar,c;qual="baz,blurb",d;junk="quux,syzygy"
that I want to split by commas -- but I need to ignore commas in quotes. How can I do this? Seems like a regexp ap..
I have a batch file to copy over files from Visual Studio to my Web folder. I want to copy all files in my web project, EXCEPT for *.cs files. I can't seem to get this to work:
xcopy /r /d /i /s /y..
Recently I've been doing a lot of modal window pop-ups and what not, for which I used jQuery. The method that I used to create the new elements on the page has overwhelmingly been along the lines of: ..
I am using Nginx in front of 10 mongrels.
When I make a request with size larger then 2900 I get back an:
error code 414: uri too large
Does anyone know the setting in the nginx configuration f..
I want to be able to have my program display an alert, notice, whatever that displays my custom text. How is this done? Also, is it possible to make one with several buttons that sets a variable?
Sim..
When I clicked SDK Manager on Program Files or run it in cmd, nothing happened. I did:
Installed latest JDK
Installed latest Android SDK
Set environment JAVA_HOME and put %JAVA_HOME%\bin in path var..
I'm trying something like this, but this example does not work.
jsObj = {};
for (var i = 1; i <= 10; i++) {
jsObj{'key' + i} = 'example ' + 1;
}
What can I do to make a dynamic key like thi..
I am trying to define a function to make the perimeter of a rectangle. Here is the code:
width = input()
height = input()
def rectanglePerimeter(width, height):
return ((width + height)*2)
print(r..
I'm trying to install Tomcat in Eclipse but I can't get a server tab to show up.
When I go to Window -> Show View -> Other and type in "server", I don't get any results.
When I go to File -> New -> O..
I want to delete multiple rows from MYSQL database. I have created this delete.php file to select various links and delete them using checkboxes.
<html>
<head>
<title>Links Page&l..
I need to run a java jar in server in order to communicate between two applications. I have written two shell scripts to run it, but once I start up that script I can't shut down / terminate the proce..
I'm simply trying to convert a string that is generated from a barcode scanner to an int so that I can manipulate it by taking getting the remainder to generate a set number of integers. So far I hav..
Is there a way to resolve conflict for all files using checkout --ours and --theirs? I know that you can do it for individual files but couldn't find a way to do it for all...
I have this piece of code which creates a new note..WHen I try to print I get the following error even though it prints the output
Error:
C:\Python27\Basics\OOP\formytesting>python notebook.py
Mem..
I must be missing some basic thing about cookies. On localhost, when I set a cookie on server side and specify the domain explicitly as localhost (or .localhost). the cookie does not seem to be accept..
I have following jQuery code to prevent double clicking a button. It works fine. I am using Page_ClientValidate() to ensure that the double click is prevented only if the page is valid. [If there are..
I'm trying to figure out what collation I should be using for various types of data. 100% of the content I will be storing is user-submitted.
My understanding is that I should be using UTF-8 General ..
I need to know exactly the width and height for an arbitrary g element in my SVG because I need to draw a selection marker around it once the user has clicked it.
What I've seen in the internet is so..
I'm having trouble with import cv in my python code.
My issue is I need to draw a rectangle around regions of interest in an image.
How can this be done in python? I'm doing object detection and woul..
Following
How to use async/await with axios in react
I am trying to make a simple get request to my server using Async/Await in a React.js App.
The server loads a simple JSON at /data which looks ..
Using C# and WinForms in VS2008, I want to create a file browser control that looks and acts like the left pane in Windows Explorer. To my astonishment, such a control does not ship with .NET by defau..
PostgreSQL just introduced JSONB and it's already trending on hacker news. It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What ar..
Possible Duplicate:
Generate Random numbers uniformly over entire range
I want to generate the random number in c++ with in some range let say i want to have number between 25 and 63.
How ..
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
For the record, below is the original version of the question, with examples.
I'm writing a script in b..
I am trying to learn Angular 2.
I would like to access to a child component from a parent component using the @ViewChild Annotation.
Here some lines of code:
In BodyContent.ts I have:
import {View..
I have question around this code
dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSData* data = [NSData dataWithContentsOfURL:
kLatestKivaLoansURL];
..
I'm trying to mix background-image and background-size properties in a shorthanded background property. Based on W3C documentation background-size should come after background-position property separa..
In a Git code repository I want to list all commits that contain a certain word. I tried this
git log -p | grep --context=4 "word"
but it does not necessarily give me back the filename (unless it's..
I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string>, and one of the comments says this:
Stop using new so much. I can't see any reason you ..
What is a way in C that someone could find the length of a Character array?
I will happily accept psuedo-code, but am not averse to someone writing it out if they'd like to :)..
I want to execute the multiple queries or job in one execute.
Something like this
eg:
String query="select * from tab1;insert into tab1 values(...);update tab1..;delete from tab1...;"
Statement st =..
I have an html Ordered list with type set to "A"
<ol type="A">...</ol>
Thus, each list item will start with A, B, C, etc.
I would like to style the A, B, C letters to be bold. I have t..
How do you tell if caps lock is on using JavaScript?
One caveat though: I did google it and the best solution I could find was to attach an onkeypress event to every input, then check each time if th..
I'm writing a simple test page to download a text file from a browser on button click. I am getting a really strange error that I have never seen before. Any thoughts?
The error occurs on Response...
I have a python script that can receive either zero or three command line arguments. (Either it runs on default behavior or needs all three values specified.)
What's the ideal syntax for something li..
I have imported maven project in STS, when I run update update project I receive:
"Updating Maven Project". Unsupported IClasspathEntry kind=4
Is there a workaround for this?..
I have a web app that displays rows with go and delete buttons.
If a user clicks go, it should open new tab/window with url built from the row's data.
how can I do this in jquery? What I'm doing is ..
Can the mutate be used when the mutation is conditional (depending on the values of certain column values)?
This example helps showing what I mean.
structure(list(a = c(1, 3, 4, 6, 3, 2, 5, 1), b = ..
I want a java program that reads a user specified filename from the current directory (the same directory where the .class file is run).
In other words, if the user specifies the file name to be "myF..
I'm trying to load a PNG image using SDL but the program doesn't work and this error appears in the console
libpng warning: iCCP: known incorrect sRGB profile
Why does this warning appear? What ..
I have a piece of my code where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False. So now I just want to re..
I need to read, write and create an INI file with Python3.
FILE.INI
default_path = "/path/name/"
default_file = "file.txt"
Python File:
# Read file and and create if it not exists
config = ini..
This might be a very basic question; believe me I found very hard to find the answer to this question on the internet. I have 3 HTML pages stored in my server (Tomcat locally) & i want to open t..
I have a class called CachedObject that stores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise i..
I have a Microsoft SQL Server 2008 query that returns data from three tables using a left outer join. Many times, there is no data in the second and third tables and so I get a null which I think is ..
I have this bat file and I want to minimize the cmd window when I run it:
@echo off
cd /d C:\leads\ssh
call C:\Ruby192\bin\setrbvars.bat
ruby C:\leads\ssh\put_leads.rb
Basically I want the command..
I want to send json data in POST request using C#.
I have tried few ways but facing lot of issues . I need to request using request body as raw json from string and json data from json file.
How can..
Here is my problem: is it somehow possible to check for the existence of a dynamically attached event listener? Or how can I check the status of the "onclick" (?) property in the DOM? I have..
I'm trying to use dynamic variable names (I'm not sure what they're actually called) But pretty much like this:
for($i=0; $i<=2; $i++) {
$("file" . $i) = file($filelist[$i]);
}
var_dump($file..
What is the fastest way to export files (blobs) stored in a SQL Server table into a file on the hard drive? I have over 2.5 TB of files (90 kb avg) stored as varbinary and I need to extract each one ..
Some days ago I began to study this Spring Hello World Tutorial: http://viralpatel.net/blogs/spring-3-mvc-create-hello-world-application-spring-3-mvc/
In this tutorial Spring DispatcherServlet is con..
I am trying to use Java 8 Streams to find elements in a LinkedList. I want to guarantee, however, that there is one and only one match to the filter criteria.
Take this code:
public static void main..
I am creating a textview and adding to the layout dynamically. I am using textView.setTextSize(18) method to set the text size.I tested it on samsung tablet and found that the font size is too small f..
To launch programs from my Python-scripts, I'm using the following method:
def execute(command):
process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
..
Eclipse was running fine yesterday (and has been since I installed it about a year ago). Now all the sudden I'm getting the following error on startup:
"A Java Runtime Environment (JRE) or Java Devel..
I have both TypeScript and HTML files in my project, in both files tabs are converted to spaces.
I want to turn the auto-conversion off and make sure that my project has only tabs.
Edit:
With this set..
Given a plot of signal in time representation, how to draw lines marking corresponding time index?
Specifically, given a signal plot with time index ranging from 0 to 2.6(s), I want to draw vertical ..
I am having a little confusion about the various ways to print (echo) to the console. I have seen that there are multiple ways to write output to the console, such as:
Write-Host "Hello world1"
"Hell..
how to download folder(contains folder inside folder and files) from putty using ssh client
i want download entire Dump to local Drive...
can any one guide me .....
I'll explain by example:
Elvis Operator (?: )
The "Elvis operator" is a shortening
of Java's ternary operator. One
instance of where this is handy is for
returning a 'sensible default' valu..
I have a project with 2 packages:
tkorg.idrs.core.searchengines
tkorg.idrs.core.searchengines
In package (2) I have a text file ListStopWords.txt, in package (1) I have a class FileLoadder. Here ..
I have some stuff in settings.py that I'd like to be able to access from a template, but I can't figure out how to do it. I already tried
{{CONSTANT_NAME}}
but that doesn't seem to work. Is this po..
I want to version control my web server as described in Version control for my web server, by creating a git repo out of my /var/www directory. My hope was that I would then be able to push web cont..
I'm trying to set a regexp which will check the start of a string, and if it contains either http:// or https:// it should match it.
How can I do that? I'm trying the following which isn't working:
..
I have couple of update panels and jquery tabs on page. And also I am loading couple user controls on update panels. After user waited for couple of minutes (not checked the time approx 40 mins). when..
I'm trying to set a header in my Go web server. I'm using gorilla/mux and net/http packages.
I'd like to set Access-Control-Allow-Origin: * to allow cross domain AJAX.
Here's my Go code:
func saveH..
For the following ajax post request for Flask (how can I use data posted from ajax in flask?):
$.ajax({
url: "http://127.0.0.1:5000/foo",
type: "POST",
contentType: "application/json",
..
I have multiple fragment inside an activity. On a button click I am starting a new fragment, adding it to backstack. I naturally expected the onPause() method of current Fragment and onResume() of new..
How can I count the number of elements in an array, because contrary to logic array.count(string) does not count all the elements in the array, it just searches for the number of occurrences of string..
I am developing a web application with Eclipse and I generate the project with a maven archetype.
When I enable maven dependency management, Eclipse mark some errors in the pom file, this error is:
..
I'm trying to pick up the windows username when debugging in Visual Studio 2013. I am simply using:
httpcontext.current.user.identity.name
If I run this on my Dev Server it works fine, if I run it ..
I am trying to extend my header to cover the full page. http://dev.webgrowth.biz/ and I want it look like this one http://www.webgrowth.biz/ I have been trying everything for hours now. any help would..
I want to check to see if a file exists and if it does, I want to open it and read the 1st line,
If the file doesn't exist or if the file has no contents then I want to fail silently without letting ..
sorry to be a pain... I have: HashMap<String, String> o
o.get('uses_votes'); // "1"
Yet...
Boolean.parseBoolean(o.get('uses_votes')); // "false"
I'm guessing that ....parseBoolean doesn't ..
I am quite confused. I should be able to set
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
and IE8 and IE9 should render the page using the latest rendering engine. However, I just..
How do I call the parent function from a derived class using C++? For example, I have a class called parent, and a class called child which is derived from parent. Within
each class there is a print ..
I need to create a random number with x amount of digits.
So lets say x is 5, I need a number to be eg. 35562
If x is 3, then it would throw back something like; 463
Could someone show me how this i..
We have a custom service that we install with our application. The only problem is that after it is installed, it will not start, generating the error above. I have tried to diagnose what the proble..
When I tried to alter the table it showed the error:
ERROR 1067 (42000): Invalid default value for 'created_at'
I googled for this error but all I found was as if they tried to alter the timestamp ..
Background
Many times we need to auto-fit the font of the TextView to the boundaries given to it.
The problem
Sadly, even though there are many threads and posts (and suggested solutions) talking a..
...for example...
<div class="month" *ngFor="#item of myCollection; #i = index">
...
</div>
Is possible to do something like...
<div class="month" *ngFor="#item of 10; #i = index"&g..
I'm using Retrofit 2.0.0-beta1.
In tests i have an alternate scenario and expect error HTTP 400
I would like to have retrofit.Response<MyError> response
but response.body() == null
MyError is..
Very simply put:
I have a class that consists mostly of static public members, so I can group similar functions together that still have to be called from other classes/functions.
Anyway, I have def..
I have models in Django set up as below.
class Pupil(models.Model):
forename = models.CharField(max_length=30)
surname = models.CharField(max_length=30)
dateofbirth = models.DateField()
..
I'd like a very simple XML configuration file with a console and a file appender using log4j2.
(The Apache Website is killing me with much Information.)..
I have a general question. How does one start a systemd unit *.service after a particular *.service has started successfully?
More specific question is, how do I start website.service only after mong..
What is the difference between Data Access Objects (DAO) and Repository patterns? I am developing an application using Enterprise Java Beans (EJB3), Hibernate ORM as infrastructure, and Domain-Driven ..
I am new to R and am trying to plot 3 histograms onto the same graph.
Everything worked fine, but my problem is that you don't see where 2 histograms overlap - they look rather cut off.
When I make de..
I want to create a communication between a parent and a child process, both written in C#.
It should be asynchronous, event-driven.
I don't want to run a thread in every process to handle the very rar..
I'm new to Laravel and am doing some Laravel 5.3 Passport project with OAuth2.0 password grant. When I curl the API with the params it responds with token. However, in browser it needs an additional s..
I am working on an iPad app, using AutoLayout, where if the user enables a certain mode ("heads-up" mode), I want to support only portrait (or portrait upside down) orientation, and furthermore, if th..
I'm developing a php app that uses a database class to query mySQL.
the class is here: http://net.tutsplus.com/tutorials/php/real-world-oop-with-php-and-mysql/
I made some tweaks on the class to fit..
I need to setup an Apache 2 server with SSL.
I have my *.key file, but all the documentation I've found online, *.crt files are specified, and my CA only provided me with a *.cer file.
Are *.cer fil..
Is there a way to change the name (Launcher App Label) of an app without creating a new project?
Note: Name of the App and The label shown on the Launcher Icon on Home Screen on Mobiles can be differ..
I can't really think of any reason why Python needs the del keyword (and most languages seem to not have a similar keyword). For instance, rather than deleting a variable, one could just assign None t..
I have a Set instance:
Set<String> siteIdSet = (Set<String>) pContext.getParent().getPropertyValue(getCatalogProperties().getSitesPropertyName());
The pContext.getParent().getPropertyValu..
I do an ajax call but I keep getting this error:
419 (unknown status)
No idea what is causing this I saw on other posts it has to do something with csrf token but I have no form so I dont know h..
Which is best way to pause the console in C++ programs?
using cin.get()
or using system("pause")
or using C functions like getch() or getchar()?
Is it true that use of system("pause") leads to non..
Please don't say EHCache or OSCache, etc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithrea..
I have a list 'a'
a= [(1,2),(1,4),(3,5),(5,7)]
I need to find all the tuples for a particular number. say for 1 it will be
result = [(1,2),(1,4)]
How do I do that?..
I have a simple drop down and I want to have it so that if the user selects Have a Baby the message changes to Have a Baby, but for any other selection. The message stays the same (nothing), but this..
The query:
SELECT COUNT(*) as count_all,
posts.id as post_id
FROM posts
INNER JOIN votes ON votes.post_id = posts.id
GROUP BY posts.id;
Returns n records in Postgresql:
count_all | p..
I have the following mysql query. Could you please tell me how to write the same query in Codeigniter's way ?
SELECT * FROM myTable
WHERE trans_id IN ( SELECT trans_id FROM myTable WHERE co..
When I try to set a text input to blank (when clicked) using $(this).value="", this does not work. I have to use $(this).val('').
Why? What is the difference? What is the mechanism behind the val fun..
How would you use a switch case when you need to test for a or b in the same case?
switch (pageid) {
case "listing-page" || "home-page":
alert("hello");
break;
case "details-page":
al..
I have created a custom UITableViewCell. The table view is showing data fine. What I am stuck in is when user touches cell of tableview, then I want to show the background color of the cell other than..
I'm looking to update multiple rows in PostgreSQL in one statement. Is there a way to do something like the following?
UPDATE table
SET
column_a = 1 where column_b = '123',
column_a = 2 where col..
Let me explain the result of this code for asking my issue easily.
const ForExample = () => {
const [name, setName] = useState('');
const [username, setUsername] = useState('');
useEf..
I need to round a float to be displayed in a UI. E.g, to one significant figure:
1234 -> 1000
0.12 -> 0.1
0.012 -> 0.01
0.062 -> 0.06
6253 -> 6000
1999 -> 2000
Is there a nice way to do this u..
I can't find enough information to decide which compiler should I use to compile my project. There are several programs on different computers simulating a process. On Linux, I'm using GCC. Everything..
I replaced j2ee.jar with servle-api.com from my tomcat 6.0 installation directory:
And that yields the error below. I'm presently trying to figure out the cause. What might the problem be.
I have a ..
If I try to update my subversion repo, it says I must run cleanup. If I run cleanup, it says a file is missing. (I deleted a MASSIVE directory of files that failed to commit this morning from my home ..
I need a big null array in C as a global. Is there any way to do this besides typing out
char ZEROARRAY[1024] = {0, 0, 0, /* ... 1021 more times... */ };
?..
I have a button, and I added some eventlistners to it:
document.getElementById("btn").addEventListener("click", funcA, false);
document.getElementById("btn").addEventListener("click", funcB, false);
..
How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod?
Neither is a viable option at the moment.
I'd like to test on the devi..
I have the following code:
// Obtain the string names of all the elements within myEnum
String[] names = Enum.GetNames( typeof( myEnum ) );
// Obtain the values of all the elements within myEnum
A..
When using the example code from the jQuery documentation for the keypress event handler, I'm unable to capture the Delete key. The snippet below is going to log 0 when the Delete key is pressed in Fi..
I need to change render function and run some sub render function when a specific state given,
For example:
render() {
return (
<View style={styles.container}>
if (..
I have date time in a particular timezone as a string and I want to convert this to the local time. But, I don't know how to set the timezone in the Date object.
For example, I have Feb 28 2013 7:00 ..
I'm trying to push my project via the https protocol on bitbucket using sourcetree.
But I can't connect to bitbucket with my login and password (which work on the website), I have a fatal error : "Aut..
I am opening my blog page in my website. The problem is I can give a width to an iframe but the height should be dynamic so that there is no scrollbar in the iframe, and it looks like a single page.....
I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate th..
I am retrieving a lot of information in a list, linked to a database and I want to create a string of groups, for someone who is connected to the website.
I use this to test but this is not dynamic, ..
I have been working on this problem for the last few days. With no luck on trying to display the stream on <embed src> tag, I just tried to display it on a new window.
The new window shows PDF ..
I am working on an Android project and I am trying to make use of the Google Drive API and I've got most of it working but I am having an issue in how I perform a download.
I can't find anywhere how..
I have written some JUnit tests using JUnit 4 and spring-test libraries. When I run the tests inside Eclipse then run fine and pass. But when I run them using Maven (during the build process), they fa..
I have created an application with android studio, never change a single word in any file.
when trying to run it on the emulator I got the following error:
W/EGL_emulation? eglSurfaceAttrib not imp..
Here my code I used below code to calculate the distance between two location using their latitude and longitude. It is giving wrong distance. sometimes getting right and sometimes getting irrelevant ..
How do I upgrade OpenSSL in CentOS 6.5?
I have used these commands, but nothings happens:
cd /usr/src
wget http://www.openssl.org/source/openssl-1.0.1g.tar.gz
tar -zxf openssl-1.0.1g.tar.gz
cd o..
Which is more efficient for clearing all values in an array? The first one would require me to use that function each time in the loop of the second example.
foreach ($array as $i => $value) {
..
I've tried msysGit and Git on Cygwin. Both work just fine in and of themselves and both run gitk and git-gui perfectly.
Now how the heck do I configure a mergetool? (Vimdiff works on Cygwin, but pref..
I have a Visual Studio Windows app project. I've added code to download an installer update file. The installer after it has finished downloading would need administrator privileges to run. I have add..
How can I use a a search filter to display users of a specific group?
I've tried the following:
(&
(objectCategory=user)
(memberOf=MyCustomGroup)
)
and this:
(&
(objectCategor..
I need to read and print data from a file.
I wrote the program like below,
#include<stdio.h>
#include<conio.h>
int main(void)
{
char item[9], status;
FILE *fp;
if( (fp = fopen("D:\\Sa..
I have some code that looks like
my ($ids,$nIds);
while (<myFile>){
chomp;
$ids.= $_ . " ";
$nIds++;
}
This should concatenate every line in my myFile, and nIds should be my numbe..
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..
I am following this example, the server.R, file is here.
I plan to do a similar filter, but am lost as to what %>% does.
# Apply filters
m <- all_movies %>%
filter(
Revie..
I have a data service that looks like this:
@Injectable()
export class DataService {
baseUrl = 'http://localhost'
constructor(
private httpClient: HttpClient) {
}
get(url,..
I want to delete all the files it created and roll back any changes made, but not necessarily to the database, but more to the config files.
I'd like to automatically delete all the resource mappings..
I need to run a command to copy a file from one location to another through Command Prompt using a vbs file. this is what I have however it keeps throwing an error at me.
'Dim oShell
Set oShell = WSc..
I know that python has a len() function that is used to determine the size of a string, but I was wondering why it's not a method of the string object.
Update
Ok, I realized I was embarrassingly mis..
I have nginx up and running with a Ruby/Sinatra app and all is well. However, I'm now trying to have a second application running from the same server and I noticed something weird. First, here's my n..
I need to use a unique ID for an Android app and I thought the serial number for the device would be a good candidate. How do I retrieve the serial number of an Android device in my app ?..
I am new to Laravel. I was trying to open http://localhost/test/public/ and I got
Error in exception handler.
I googled around and changed the permission of storage directory using chmod -R 77..
I know there are a lot of questions like this, but none I've seen have fixed my issue. I've used at least 3 microframeworks already. All of them fail at doing a simple POST, which should return the da..
Using Spark 1.6.1 version I need to fetch distinct values on a column and then perform some specific transformation on top of it. The column contains more than 50 million records and can grow larger.
..
Is it possible to do something like this in Java for Android (this is a pseudo code)
IF (some_string.equals("john" OR "mary" OR "peter" OR "etc."){
THEN do something
}
?
At the moment this is d..
How does one handle type casting in TypeScript or Javascript?
Say I have the following TypeScript code:
module Symbology {
export class SymbolFactory {
createStyle( symbolInfo : Sy..
I had successfully imported a database using command line, but now my pain area is how to import a single table with its data to the existing database using command line...
I have a react/redux application and I'm trying to do a simple GET request to a sever:
fetch('http://example.com/api/node', {
mode: "no-cors",
method: "GET",
headers: {
"Accept": "applicat..
I'm trying to parse some huge JSON file (like http://eu.battle.net/auction-data/258993a3c6b974ef3e6f22ea6f822720/auctions.json) using gson library (http://code.google.com/p/google-gson/) in JAVA.
I ..
How do I sort a list of date and/or datetime objects? The accepted answer here isn't working for me:
from datetime import datetime,date,timedelta
a=[date.today(), date.today() + timedelta(days=1), ..
By using R, is it possible to place 2 ggplot together (i.e., on the same plot)? I wish to show a trend from 2 different data frames and instead of putting them one next to the other, I'd like to integ..
I am new to Maven, I have a Java based web project with maven configured in my MyEclipse.
Now if I modified any java files then do I need to do Run as -> Mvn install or Mvn package?..
I have created an object array in JavaScript. How can I print the object array in the browser window, similar to print_r function in PHP?
var lineChartData = [{
date: new Date(2009, 10, 2..
I want to create a simple MySQL function, I have this MySQL procedure:
CREATE PROCEDURE getUser(gU INT)
SELECT * FROM Company
WHERE id_number = gU;
CALL getUser(2);
I need some help making t..
In my application I generate files at random opportunities. To ensure a unique naming, I tried to use the nano seconds since 1.1.1970:
long time = DateTime.Now.Ticks;
String fileName = Convert.ToStri..
What is the preferred method for returning null values in JSON? Is there a different preference for primitives?
For example, if my object on the server has an Integer called "myCount" with n..
What is the string literal \\ backslash? What does it do? I have thought about it but I do not understand it. I also read it on wikipedia. When I try to print the following:
System.out.println("Mango..
I have got into a bad state with my ASP.Net MVC 5 project, using Code-First Entity Framework. I don't care about losing data, I just want to be able to start fresh, recreate the database and start usi..
I'm attempting to make my first program in Java. The goal is to write a program that browses to a website and downloads a file for me. However, I don't know how to use Java to interact with the intern..
I want to take a floating-point number and round it down to the nearest integer. However, if it's not a whole, I always want to round down the variable, regardless of how close it is to the next integ..
How does one specify the maximum value representable for an unsigned integer type?
I would like to know how to initialize min in the loop below that iteratively computes min and max lengths from some..