you can use more than one useEffect
for example if my variable is data1 i can use all of this in my component
useEffect( () => console.log("mount"), [] );
useEffect( () => console.log("will update data1"), [ data1 ] );
useEffect( () => console.log("will update any") );
useEffect( () => () => console.log("will update data1 or unmount"), [ data1 ] );
useEffect( () => () => console.log("unmount"), [] );
Put your css/js files in folder src/main/webapp/resources
. Don't put them in WEB-INF
or src/main/resources
.
Then add this line to spring-dispatcher-servlet.xml
<mvc:resources mapping="/resources/**" location="/resources/" />
Include css/js files in jsp pages
<link href="<c:url value="/resources/style.css" />" rel="stylesheet">
Don't forget to declare taglib in your jsp
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
var data = [_x000D_
{ "name": "bill", "age": 20 },_x000D_
{ "name": "jhon", "age": 19 },_x000D_
{ "name": "steve", "age": 16 },_x000D_
{ "name": "larry", "age": 22 },_x000D_
null, null, null_x000D_
];_x000D_
_x000D_
//eliminate all the null values from the data_x000D_
data = data.filter(function(x) { return x !== null }); _x000D_
_x000D_
console.log("data: " + JSON.stringify(data));
_x000D_
Not an expert on encoding, but after reading these...
... it seems fairly clear that the $OutputEncoding variable only affects data piped to native applications.
If sending to a file from withing PowerShell, the encoding can be controlled by the -encoding
parameter on the out-file
cmdlet e.g.
write-output "hello" | out-file "enctest.txt" -encoding utf8
Nothing else you can do on the PowerShell front then, but the following post may well help you:.
Select UIViewController on your storyboard an uncheck option Extend Edges Under Top Bars. Worked for me. : )
The '-Wait' option seemed to block for me even though my process had finished.
I tried Adrian's solution and it works. But I used Wait-Process instead of relying on a side effect of retrieving the process handle.
So:
$proc = Start-Process $msbuild -PassThru
Wait-Process -InputObject $proc
if ($proc.ExitCode -ne 0) {
Write-Warning "$_ exited with status code $($proc.ExitCode)"
}
I had the same error, when I tried to update some records within read loop.
I've tried the most voted answer MultipleActiveResultSets=true
and found, that it's just workaround to get the next error
New transaction is not allowed because there are other threads running in the session
The best approach, that will work for huge ResultSets is to use chunks and open separate context for each chunk as described in SqlException from Entity Framework - New transaction is not allowed because there are other threads running in the session
System.Diagnostics.Process.Start(BatchFileName, Parameters);
I know this will work for batch file and parameters, but no ideas how to get the results in C#. Usually, the outputs are defined in the batch file.
I had a similar issue when attempting to start a process without showing the console window. I tested with several different combinations of property values until I found one that exhibited the behavior I wanted.
Here is a page detailing why the UseShellExecute
property must be set to false.
http://msdn.microsoft.com/en-us/library/system.diagnostics.processstartinfo.createnowindow.aspx
Under Remarks section on page:
If the UseShellExecute property is true or the UserName and Password properties are not null, the CreateNoWindow property value is ignored and a new window is created.
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = fullPath;
startInfo.Arguments = args;
startInfo.RedirectStandardOutput = true;
startInfo.RedirectStandardError = true;
startInfo.UseShellExecute = false;
startInfo.CreateNoWindow = true;
Process processTemp = new Process();
processTemp.StartInfo = startInfo;
processTemp.EnableRaisingEvents = true;
try
{
processTemp.Start();
}
catch (Exception e)
{
throw;
}
Does your console app require user interaction? If so, that's a serious no-no and you should redesign your application. While there are some hacks to make this sort of work in older versions of the OS, this is guaranteed to break in the future.
If your app does not require user interaction, then perhaps your problem is related to the user the service is running as. Try making sure that you run as the correct user, or that the user and/or resources you are using have the right permissions.
If you require some kind of user-interaction, then you will need to create a client application and communicate with the service and/or sub-application via rpc, sockets, or named pipes.
This works for me:
public void updatedatabase()
{
SqlConnection conn = new SqlConnection("Data Source=" + txtserver.Text.Trim() + ";Initial Catalog=" + txtdatabase.Text.Trim() + ";User ID=" + txtuserid.Text.Trim() + ";Password=" + txtpwd.Text.Trim() + "");
try
{
conn.Open();
string script = File.ReadAllText(Server.MapPath("~/Script/DatingDemo.sql"));
// split script on GO command
IEnumerable<string> commandStrings = Regex.Split(script, @"^\s*GO\s*$", RegexOptions.Multiline | RegexOptions.IgnoreCase);
foreach (string commandString in commandStrings)
{
if (commandString.Trim() != "")
{
new SqlCommand(commandString, conn).ExecuteNonQuery();
}
}
lblmsg.Text = "Database updated successfully.";
}
catch (SqlException er)
{
lblmsg.Text = er.Message;
lblmsg.ForeColor = Color.Red;
}
finally
{
conn.Close();
}
}
Couldn't you just write all the commands into a .cmd file in the temp folder and then execute that file?
Here is what you are looking for:
Service hangs up at WaitForExit after calling batch file
It's about a question as to why a service can't execute a file, but it shows all the code necessary to do so.
Here's some full and simple code to do this. This worked fine when I used it.
var processStartInfo = new ProcessStartInfo
{
FileName = @"C:\SomeProgram",
Arguments = "Arguments",
RedirectStandardOutput = true,
UseShellExecute = false
};
var process = Process.Start(processStartInfo);
var output = process.StandardOutput.ReadToEnd();
process.WaitForExit();
Note that this only captures standard output; it doesn't capture standard error. If you want both, use this technique for each stream.
Credit to EM0 for https://stackoverflow.com/a/17600012/4151626
The other solutions (including EM0's) still deadlocked for my application, due to internal timeouts and the use of both StandardOutput and StandardError by the spawned application. Here is what worked for me:
Process p = new Process()
{
StartInfo = new ProcessStartInfo()
{
FileName = exe,
Arguments = args,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true
}
};
p.Start();
string cv_error = null;
Thread et = new Thread(() => { cv_error = p.StandardError.ReadToEnd(); });
et.Start();
string cv_out = null;
Thread ot = new Thread(() => { cv_out = p.StandardOutput.ReadToEnd(); });
ot.Start();
p.WaitForExit();
ot.Join();
et.Join();
Edit: added initialization of StartInfo to code sample
Can someone point to an RFC indicating that a URL with a space must be encoded?
URIs, and thus URLs, are defined in RFC 3986.
If you look at the grammar defined over there you will eventually note that a space character never can be part of a syntactically legal URL, thus the term "URL with a space" is a contradiction in itself.
Check that you did not filter out many options inside the Window > Preferences > Java > Appearance > Type Filters
Items in this list will not be appear in quick fix, be autocompleted, or appear in other various places like the Open Type dialog.
I've been playing around with the preferences and added the following to my brackets.json
file (access in Menu Bar: Debug: "Open Preferences File").
"closeTags": {
"dontCloseTags": ["br", "hr", "img", "input", "link", "meta", "area", "base", "col", "command", "embed", "keygen", "param", "source", "track", "wbr"],
"indentTags": ["ul", "ol", "div", "section", "table", "tr"],
}
dontCloseTags
are tags such as <br>
which shouldn't be closed.indentTags
are tags that you want to automatically create a new
indented line - add more as needed!One of the first things you need to learn about SQL (and relational databases) is that you shouldn't store multiple values in a single field.
You should create another table and store one value per row.
This will make your querying easier, and your database structure better.
select
case when exists (select countryname from itemcountries where yourtable.id=itemcountries.id and countryname = @country) then 'national' else 'regional' end
from yourtable
You can use a shortcut that links to the batch file. Just go into properties for the shortcut and select advanced, then "run as administrator".
Then just make the batch file hidden, and run the shortcut.
This way, you can even set your own icon for the shortcut.
If you want a fluffier interface than the terminal, http://hurl.it/ is awesome.
It's likely that the download was corrupted if you are getting an error with the disk image. Go back to the downloads page at https://developers.google.com/appengine/downloads and look at the SHA1 checksum. Then, go to your Terminal app on your mac and run the following:
openssl sha1 [put the full path to the file here without brackets]
For example:
openssl sha1 /Users/me/Desktop/myFile.dmg
If you get a different value than the one on the Downloads page, you know your file is not properly downloaded and you should try again.
Don't forget that you can treat pointers as iterators:
w_.assign(w, w + len);
If your code should work in both Python 2 and 3, you can achieve this by loading this at the beginning of your program:
from __future__ import print_function # If code has to work in Python 2 and 3!
Then you can print in the Python 3 way:
print("python")
If you want to print something without creating a new line - you can do this:
for number in range(0, 10):
print(number, end=', ')
I combined the answer above with certbot SSL cert and CORS access-control-allow-headers and got it working so I thought I would share the results.
Apache httpd.conf added to the bottom of the file:
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_http_module modules/mod_proxy_http.so
Apache VirtualHost settings (doc root for PHP is under Apache and SSL with Certbot, while node.js/socket.io site runs on port 3000 - and uses SSL cert from Apache) Also notice the node.js site uses the proxy for the folder /nodejs, socket.io, and ws (websockets):
<IfModule mod_ssl.c>
<VirtualHost *:443>
ServerName www.example.com
ServerAlias www.example.com
DocumentRoot /var/html/www.example.com
ErrorLog /var/html/log/error.log
CustomLog /var/html/log/requests.log combined
SSLCertificateFile /etc/letsencrypt/live/www.example.com/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/www.example.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
RewriteEngine On
RewriteCond %{REQUEST_URI} ^socket.io [NC]
RewriteCond %{QUERY_STRING} transport=websocket [NC]
RewriteRule /{.*} ws://localhost:3000/$1 [P,L]
RewriteCond %{HTTP:Connection} Upgrade [NC]
RewriteRule /(.*) ws://localhost:3000/$1 [P,L]
ProxyPass /nodejs http://localhost:3000/
ProxyPassReverse /nodejs http://localhost:3000/
ProxyPass /socket.io http://localhost:3000/socket.io
ProxyPassReverse /socket.io http://localhost:3000/socket.io
ProxyPass /socket.io ws://localhost:3000/socket.io
ProxyPassReverse /socket.io ws://localhost:3000/socket.io
</VirtualHost>
</IfModule>
Then my node.js app (app.js):
var express = require('express');
var app = express();
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "X-Requested-With");
res.header("Access-Control-Allow-Headers", "Content-Type");
res.header("Access-Control-Allow-Methods", "PUT, GET, POST, DELETE, OPTIONS");
next();
});
var http = require('http').Server(app);
var io = require('socket.io')(http);
http.listen({host:'0.0.0.0',port:3000});
I force a ip4 listener, but that is optional - you can substitute:
http.listen(3000);
node.js app (app.js) code continues with:
io.of('/nodejs').on('connection', function(socket) {
//optional settings:
io.set('heartbeat timeout', 3000);
io.set('heartbeat interval', 1000);
//listener for when a user is added
socket.on('add user', function(data) {
socket.join('AnyRoomName');
socket.broadcast.emit('user joined', data);
});
//listener for when a user leaves
socket.on('remove user', function(data) {
socket.leave('AnyRoomName');
socket.broadcast.emit('user left', data);
});
//sample listener for any other function
socket.on('named-event', function(data) {
//code....
socket.broadcast.emit('named-event-broadcast', data);
});
// add more listeners as needed... use different named-events...
});
finally, on the client side (created as nodejs.js):
//notice the /nodejs path
var socket = io.connect('https://www.example.com/nodejs');
//listener for user joined
socket.on('user joined', function(data) {
// code... data shows who joined...
});
//listener for user left
socket.on('user left', function(data) {
// code... data shows who left...
});
// sample listener for any function:
socket.on('named-event-broadcast', function(data) {
// this receives the broadcast data (I use json then parse and execute code)
console.log('data1=' + data.data1);
console.log('data2=' + data.data2);
});
// sample send broadcast json data for user joined:
socket.emit('user joined', {
'userid': 'userid-value',
'username':'username-value'
});
// sample send broadcast json data for user left
//(I added the following with an event listener for 'beforeunload'):
// socket.emit('user joined', {
// 'userid': 'userid-value',
// 'username':'username-value'
// });
// sample send broadcast json data for any named-event:
socket.emit('named-event', {
'data1': 'value1',
'data2':'value2'
});
In this example when the JS loads, it will emit to the socket a "named-event" sending the data in JSON to the node.js/socket.io server.
Using the io and socket on the server under path /nodejs (connected by client), receives the data an then resends it as a broadcast. Any other users in the socket would receive the data with their listener "named-event-broadcast". Note that the sender does not receive their own broadcast.
Agreeing with r-dub, keep it in source control, but to me, the real benefit is this:
collaboration in identical environments (disregarding the windohs and linux/mac stuff). Before Gemfile.lock, the next dude to install the project might see all kinds of confusing errors, blaming himself, but he was just that lucky guy getting the next version of super gem, breaking existing dependencies.
Worse, this happened on the servers, getting untested version unless being disciplined and install exact version. Gemfile.lock makes this explicit, and it will explicitly tell you that your versions are different.
Note: remember to group stuff, as :development and :test
Interfaces do not contain any implementation.
int myInt = 65;
char myChar = (char)myInt; // myChar should now be the letter A
char[20] myString = {0}; // make an empty string.
myString[0] = myChar;
myString[1] = myChar; // Now myString is "AA"
This should all be found in any intro to C book, or by some basic online searching.
DataGrid get selected rows' column values it can be access by below code. Here grid1 is name of Gride.
private void Edit_Click(object sender, RoutedEventArgs e)
{
DataRowView rowview = grid1.SelectedItem as DataRowView;
string id = rowview.Row[0].ToString();
}
i wrote my own function to return list of object for populate combo box :
public static String getJSONList(java.util.List<Object> list,String kelas,String name, String label) {
try {
Object[] args={};
Class cl = Class.forName(kelas);
Method getName = cl.getMethod(name, null);
Method getLabel = cl.getMethod(label, null);
String json="[";
for (int i = 0; i < list.size(); i++) {
Object o = list.get(i);
if(i>0){
json+=",";
}
json+="{\"label\":\""+getLabel.invoke(o,args)+"\",\"name\":\""+getName.invoke(o,args)+"\"}";
//System.out.println("Object = " + i+" -> "+o.getNumber());
}
json+="]";
return json;
} catch (ClassNotFoundException ex) {
Logger.getLogger(JSONHelper.class.getName()).log(Level.SEVERE, null, ex);
} catch (Exception ex) {
System.out.println("Error in get JSON List");
ex.printStackTrace();
}
return "";
}
and call it from anywhere like :
String toreturn=JSONHelper.getJSONList(list, "com.bean.Contact", "getContactID", "getNumber");
Well, I'm not sure to understand your question...
In C, Char[] and Char* are the same thing.
Edit : thanks for this interesting link.
Having to return the count of a unique Bill of Materials (BOM) where each BOM have multiple positions, I dd something like this:
select t_item, t_pono, count(distinct ltrim(rtrim(t_item)) + cast(t_pono as varchar(3))) as [BOM Pono Count]
from BOMMaster
where t_pono = 1
group by t_item, t_pono
Given t_pono is a smallint datatype and t_item is a varchar(16) datatype
Here is a very simple piece of C# code to test the CommandTimeout with. It creates a new command which will wait for 2 seconds. Set the CommandTimeout to 1 second and you will see an exception when running it. Setting the CommandTimeout to either 0 or something higher than 2 will run fine. By the way, the default CommandTimeout is 30 seconds.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SqlClient;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
var builder = new SqlConnectionStringBuilder();
builder.DataSource = "localhost";
builder.IntegratedSecurity = true;
builder.InitialCatalog = "master";
var connectionString = builder.ConnectionString;
using (var connection = new SqlConnection(connectionString))
{
connection.Open();
using (var command = connection.CreateCommand())
{
command.CommandText = "WAITFOR DELAY '00:00:02'";
command.CommandTimeout = 1;
command.ExecuteNonQuery();
}
}
}
}
}
Building on alko's answer that almost worked for me, except for the filtering step (where I get: ValueError: cannot reindex from a duplicate axis
), here is the final solution I used:
# join the dataframes
united_data = pd.concat([data1, data2, data3, ...])
# group the data by the whole row to find duplicates
united_data_grouped = united_data.groupby(list(united_data.columns))
# detect the row indices of unique rows
uniq_data_idx = [x[0] for x in united_data_grouped.indices.values() if len(x) == 1]
# extract those unique values
uniq_data = united_data.iloc[uniq_data_idx]
Lots of answers, but the one that worked for me (El Capitan, Xcode 8.2) was to close iTunes. If that has a connection to the IOS device then although Xcode can load the app components it will still fail to run it.
The simplest solution would be (using 'upstream
' as the remote name referencing the original repo forked):
git remote add upstream /url/to/original/repo
git fetch upstream
git checkout master
git reset --hard upstream/master
git push origin master --force
(Similar to this GitHub page, section "What should I do if I’m in a bad situation?")
Be aware that you can lose changes done on the master
branch (both locally, because of the reset --hard
, and on the remote side, because of the push --force
).
An alternative would be, if you want to preserve your commits on master
, to replay those commits on top of the current upstream/master
.
Replace the reset part by a git rebase upstream/master
. You will then still need to force push.
See also "What should I do if I’m in a bad situation?"
A more complete solution, backing up your current work (just in case) is detailed in "Cleanup git master branch and move some commit to new branch".
See also "Pull new updates from original GitHub repository into forked GitHub repository" for illustrating what "upstream
" is.
Note: recent GitHub repos do protect the master
branch against push --force
.
So you will have to un-protect master
first (see picture below), and then re-protect it after force-pushing).
Note: on GitHub specifically, there is now (February 2019) a shortcut to delete forked repos for pull requests that have been merged upstream.
This is a derivative of @Ralph suggestion that I've been using. Add the c:url
to the top of your JSP.
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<c:url value="/" var="root" />
Then just reference the root variable in your page:
<link rel="stylesheet" href="${root}templates/style/main.css">
I restarted Visual studio and even the whole PC. I cleaned the project, rebuild, and deleted bin file.
Nothing helped until i changed the configuration from x64 to x86. It worked on x86 but when i changed it back it also worked!
to run this
enter alt+shift+f
or
press F1
or ctrl+shift+p
and then enter beautify ..
an another one - JS-CSS-HTML Formatter
i think both this extension uses js-beautify internally
The first push should be a:
git push -u origin branchname
That would make sure:
origin
',simple
'Any future git push will, with that default policy, only push the current branch, and only if that branch has an upstream branch with the same name.
that avoid pushing all matching branches (previous default policy), where tons of test branches were pushed even though they aren't ready to be visible on the upstream repo.
The reason it is not working is because you are adding an item to the list and then overriding the whole list with a new DataSource
which will clear and re-populate your list, losing the first manually added item.
So, you need to do this in reverse like this:
Status status = new Status();
DropDownList1.DataSource = status.getData();
DropDownList1.DataValueField = "ID";
DropDownList1.DataTextField = "Description";
DropDownList1.DataBind();
// Then add your first item
DropDownList1.Items.Insert(0, "Select");
express.bodyParser()
is no longer bundled as part of express. You need to install it separately before loading:
npm i body-parser
// then in your app
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
// create application/json parser
var jsonParser = bodyParser.json()
// create application/x-www-form-urlencoded parser
var urlencodedParser = bodyParser.urlencoded({ extended: false })
// POST /login gets urlencoded bodies
app.post('/login', urlencodedParser, function (req, res) {
res.send('welcome, ' + req.body.username)
})
// POST /api/users gets JSON bodies
app.post('/api/users', jsonParser, function (req, res) {
// create user in req.body
})
See here for further info
You must make sure that you define all configurations BEFORE defining routes. If you do so, you can continue to use express.bodyParser()
.
An example is as follows:
var express = require('express'),
app = express(),
port = parseInt(process.env.PORT, 10) || 8080;
app.configure(function(){
app.use(express.bodyParser());
app.use(app.router);
});
app.listen(port);
app.post("/someRoute", function(req, res) {
console.log(req.body);
res.send({ status: 'SUCCESS' });
});
This just works:
$body = @{
"UserSessionId"="12345678"
"OptionalEmail"="[email protected]"
} | ConvertTo-Json
$header = @{
"Accept"="application/json"
"connectapitoken"="97fe6ab5b1a640909551e36a071ce9ed"
"Content-Type"="application/json"
}
Invoke-RestMethod -Uri "http://MyServer/WSVistaWebClient/RESTService.svc/member/search" -Method 'Post' -Body $body -Headers $header | ConvertTo-HTML
Should update the figure caption automatically.
My question is tho, how can one also 'assign' referenced figures '(Fig.4)' in the text to do the same thing - aka change when an image is added above it?
EDIT: Figured it out.. In word go to Insert and Cross-ref and assign the ref. Then Ctrl+A and F9 and everything should sort itself out.
{ flex: 1, resizeMode: 'contain' }
worked for me. I didn't need the aspectRatio
A few answers have been given, but it appears that the best method is to use is:
id -u
This appears to be more reliable than the other methods, and it seems that it return an id of 0 even if the script is run through sudo
.
An Angular approach to the methods previously described is to import DOCUMENT
from @angular/common
(or @angular/platform-browser
in Angular
< 4) and use
document.location.href = 'https://stackoverflow.com';
inside a function.
some-page.component.ts
import { DOCUMENT } from '@angular/common';
...
constructor(@Inject(DOCUMENT) private document: Document) { }
goToUrl(): void {
this.document.location.href = 'https://stackoverflow.com';
}
some-page.component.html
<button type="button" (click)="goToUrl()">Click me!</button>
Check out the plateformBrowser repo for more info.
If this occures on a SELECT with many columns, the cause can be that mysql is creating a temporary table. If this table is too large to fit in memory, it will use its default temp table format, which is InnoDB, to store it on Disk. In this case the InnoDB size limits apply.
You then have 4 options:
change the default temp table format to MYISAM, this is what i did. Change in my.cnf:
internal_tmp_disk_storage_engine=MYISAM
Restart mysql, query works.
This is what type traits are there for. Unfortunately, they have to be defined manually. In your case, imagine the following:
template <typename T>
struct response_trait {
static bool const has_tostring = false;
};
template <>
struct response_trait<your_type_with_tostring> {
static bool const has_tostring = true;
}
npm-check-updates
is a utility that automatically adjusts a package.json with the
latest version of all dependencies
see https://www.npmjs.org/package/npm-check-updates
$ npm install -g npm-check-updates
$ ncu -u
$ npm install
[EDIT] A slightly less intrusive (avoids a global install) way of doing this if you have a modern version of npm
is:
$ npx npm-check-updates -u
$ npm install
I do this quite often on results returned from a query..
e.g.
// $MyQueryResult is an array of results from a query
foreach ($MyQueryResult as $key=>$value)
{
${$key}=$value;
}
Now I can just use $MyFieldname (which is easier in echo statements etc) rather than $MyQueryResult['MyFieldname']
Yep, it's probably lazy, but I've never had any problems.
You can now also use a convention I created which enables invoking stored procedures (including stored procedures returning multiple resultsets), TVFs and scalar UDFs natively from EF.
Until Entity Framework 6.1 was released store functions (i.e. Table Valued Functions and Stored Procedures) could be used in EF only when doing Database First. There were some workarounds which made it possible to invoke store functions in Code First apps but you still could not use TVFs in Linq queries which was one of the biggest limitations. In EF 6.1 the mapping API was made public which (along with some additional tweaks) made it possible to use store functions in your Code First apps.
I pushed quite hard for the past two weeks and here it is – the beta version of the convention that enables using store functions (i.e. stored procedures, table valued functions etc.) in applications that use Code First approach and Entity Framework 6.1.1 (or newer). I am more than happy with the fixes and new features that are included in this release.
using zlib.h (http://refspecs.linuxbase.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/zlib-crc32-1.html):
#include <zlib.h>
unsigned long crc = crc32(0L, Z_NULL, 0);
crc = crc32(crc, (const unsigned char*)data_address, data_len);
In rails 5, we need to add 2 lines of code
skip_before_action :verify_authenticity_token
protect_from_forgery prepend: true, with: :exception
Use the keyword and
, not &
because &
is a bit operator.
Be careful with this... just so you know, in Java and C++, the &
operator is ALSO a bit operator. The correct way to do a boolean comparison in those languages is &&
. Similarly |
is a bit operator, and ||
is a boolean operator. In Python and
and or
are used for boolean comparisons.
By their mathematical definition, OR and AND are binary operators; they verify the LHS and RHS conditions regardless, similarly to | and &.
|| and && alter the properties of the OR and AND operators by stopping them when the LHS condition isn't fulfilled.
You just need to transfer the first value to float, before it gets involved in further computations:
float z = x * 1.0 / y;
Using the currently recommended (as of 2015) APIs (per the Node docs), this is what I do:
var fs = require('fs');
function fileExists(filePath)
{
try
{
return fs.statSync(filePath).isFile();
}
catch (err)
{
return false;
}
}
In response to the EPERM issue raised by @broadband in the comments, that brings up a good point. fileExists() is probably not a good way to think about this in many cases, because fileExists() can't really promise a boolean return. You may be able to determine definitively that the file exists or doesn't exist, but you may also get a permissions error. The permissions error doesn't necessarily imply that the file exists, because you could lack permission to the directory containing the file on which you are checking. And of course there is the chance you could encounter some other error in checking for file existence.
So my code above is really doesFileExistAndDoIHaveAccessToIt(), but your question might be doesFileNotExistAndCouldICreateIt(), which would be completely different logic (that would need to account for an EPERM error, among other things).
While the fs.existsSync answer addresses the question asked here directly, that is often not going to be what you want (you don't just want to know if "something" exists at a path, you probably care about whether the "thing" that exists is a file or a directory).
The bottom line is that if you're checking to see if a file exists, you are probably doing that because you intend to take some action based on the result, and that logic (the check and/or subsequent action) should accommodate the idea that a thing found at that path may be a file or a directory, and that you may encounter EPERM or other errors in the process of checking.
With Python 3.5 you could do it this way:
import os
import subprocess
my_env = {**os.environ, 'PATH': '/usr/sbin:/sbin:' + os.environ['PATH']}
subprocess.Popen(my_command, env=my_env)
Here we end up with a copy of os.environ
and overridden PATH
value.
It was made possible by PEP 448 (Additional Unpacking Generalizations).
Another example. If you have a default environment (i.e. os.environ
), and a dict you want to override defaults with, you can express it like this:
my_env = {**os.environ, **dict_with_env_variables}
google.com is not responding to HTTP HEAD
requests, which is why you are seeing a hang for the first command.
It does respond to GET
requests, which is why the third command works.
As for the second, curl just prints the headers from a standard request.
This happened to me, and once I removed this: enctype="multipart/form-data" It started working without the warning
A short and simple explanation:
Try to understand the scenario with and without Façade:
If you want to transfer the money from accout1 to account2 then the two subsystems to be invoked are, withdraw from account1 and deposit to account2.
You can pass custom http headers with RestTemplate exchange method as below.
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Arrays.asList(new MediaType[] { MediaType.APPLICATION_JSON }));
headers.setContentType(MediaType.APPLICATION_JSON);
headers.set("X-TP-DeviceID", "your value");
HttpEntity<RestRequest> entityReq = new HttpEntity<RestRequest>(request, headers);
RestTemplate template = new RestTemplate();
ResponseEntity<RestResponse> respEntity = template
.exchange("RestSvcUrl", HttpMethod.POST, entityReq, RestResponse.class);
EDIT : Below is the updated code. This link has several ways of calling rest service with examples
RestTemplate restTemplate = new RestTemplate();
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
headers.setContentType(MediaType.APPLICATION_JSON);
headers.set("X-TP-DeviceID", "your value");
HttpEntity<String> entity = new HttpEntity<String>("parameters", headers);
ResponseEntity<Mall[]> respEntity = restTemplate.exchange(url, HttpMethod.POST, entity, Mall[].class);
Mall[] resp = respEntity.getBody();
@Peter: This could work out for you-
echo "Start!";for p in $(cat ./pep); do
echo $p
done
This would return the output-
Start!
RKEKNVQ
IPKKLLQK
QYFHQLEKMNVK
IPKKLLQK
GDLSTALEVAIDCYEK
QYFHQLEKMNVKIPENIYR
RKEKNVQ
VLAKHGKLQDAIN
ILGFMK
LEDVALQILL
dict.iteritems() in python 2 is equivalent to dict.items() in python 3.
Sometimes Excel will hiccup and needs a kick-start to reapply an equation. This happens in some cases when you are using custom formulas.
Make sure that you have the following script
ActiveSheet.EnableCalculation = True
Reapply the equation of choice.
Cells(RowA,ColB).Formula = Cells(RowA,ColB).Formula
This can then be looped as needed.
I guess something like this would do the job.
var option = document.createElement("option");
option.text = "Text";
option.value = "myvalue";
var select = document.getElementById("daySelect");
select.appendChild(option);
The cast (int) myobject
should just work.
If that gives you an invalid cast exception then it is probably because the variant type isn't VT_I4. My bet is that a variant with VT_I4 is converted into a boxed int, VT_I2 into a boxed short, etc.
When doing a cast on a boxed value type it is only valid to cast it to the type boxed.
Foe example, if the returned variant is actually a VT_I2 then (int) (short) myObject
should work.
Easiest way to find out is to inspect the returned object and take a look at its type in the debugger. Also make sure that in the interop assembly you have the return value marked with MarshalAs(UnmanagedType.Struct)
You can use SimpleDateFormat
to do it. You just have to know 2 things.
.getTime()
returns the number of milliseconds since 1970-01-01 00:00:00 UTC.package se.wederbrand.milliseconds;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
public class Main {
public static void main(String[] args) throws Exception {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
String inputString = "00:01:30.500";
Date date = sdf.parse("1970-01-01 " + inputString);
System.out.println("in milliseconds: " + date.getTime());
}
}
If your array of objects is items
, you can do:
var items = [{_x000D_
id: 1,_x000D_
name: 'john'_x000D_
}, {_x000D_
id: 2,_x000D_
name: 'jane'_x000D_
}, {_x000D_
id: 2000,_x000D_
name: 'zack'_x000D_
}];_x000D_
_x000D_
var names = items.map(function(item) {_x000D_
return item['name'];_x000D_
});_x000D_
_x000D_
console.log(names);_x000D_
console.log(items);
_x000D_
Documentation: map()
If you know how many rows there will be in total you can use the ROW_NUMBER() function. Here's an examble from MSDN (http://msdn.microsoft.com/en-us/library/ms186734.aspx)
USE AdventureWorks;
GO
WITH OrderedOrders AS
(
SELECT SalesOrderID, OrderDate,
ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber'
FROM Sales.SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 50 AND 60;
Download xcode 10.2 from below link https://developer.apple.com/services-account/download?path=/Developer_Tools/Xcode_10.2/Xcode_10.2.xip
Edit: Minimum System Version* to 10.13.6 in Info.plist at below paths
Xcode.app/Contents/Info.plist
Xcode.app/Contents/Developer/Applications/Simulator.app/Contents/Info.plist
Replace: Xcode.app/Contents/Developer/usr/bin/xcodebuild
from Xcode 10
****OR*****
you can install disk image of 12.2 in your existing xcode to run on 12.2 devices Download disk image from here https://github.com/xushuduo/Xcode-iOS-Developer-Disk-Image/releases/download/12.2/12.2.16E5191d.zip
And paste at Path: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
Note: Restart the Xcode
I also ran into the similar issue and was using CNTLM for proxy configuration. In my case HTTP_PROXY
and HTTPS_PROXY
are taking higher precedence over http_proxy
and https_proxy
so be aware of changing all proxy variables.
env|grep -i proxy
and make sure all of the below proxy variables should point to the same proxy.
HTTP-PROXY = "http://localhost:3128"
HTTPS-PROXY = "https://localhost:3128"
HTTPS_PROXY = "http://localhost:3128"
HTTP_PROXY = "http://localhost:3128"
PROXY = "http://localhost:3128"
http-proxy = "http://localhost:3128"
http_proxy = "http://localhost:3128"
https-proxy = "https://localhost:3128/"
https_proxy = "https://localhost:3128"
proxy = "http://localhost:3128/"
I know some variables are unneccessary but I'm not sure which is using what.
You can use simple way for genarate RSA . Use rsa library
pip install rsa
If you want all the bars to get the same color (fill
), you can easily add it inside geom_bar
.
ggplot(data=df, aes(x=c1+c2/2, y=c3)) +
geom_bar(stat="identity", width=c2, fill = "#FF6666")
Add fill = the_name_of_your_var
inside aes
to change the colors depending of the variable :
c4 = c("A", "B", "C")
df = cbind(df, c4)
ggplot(data=df, aes(x=c1+c2/2, y=c3, fill = c4)) +
geom_bar(stat="identity", width=c2)
Use scale_fill_manual()
if you want to manually the change of colors.
ggplot(data=df, aes(x=c1+c2/2, y=c3, fill = c4)) +
geom_bar(stat="identity", width=c2) +
scale_fill_manual("legend", values = c("A" = "black", "B" = "orange", "C" = "blue"))
Just Close()
all active/existing forms and the application should exit.
First get pytz and tzlocal modules
pip install pytz tzlocal
then
from tzlocal import get_localzone
local = get_localzone()
then you can do things like
from datetime import datetime
print(datetime.now(local))
If you can create a string xml you can easily transform it to the xml document object e.g. -
String xmlString = "<?xml version=\"1.0\" encoding=\"utf-8\"?><a><b></b><c></c></a>";
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
try {
builder = factory.newDocumentBuilder();
Document document = builder.parse(new InputSource(new StringReader(xmlString)));
} catch (Exception e) {
e.printStackTrace();
}
You can use the document object and xml parsing libraries or xpath to get back the ip address.
Just use CLng(Date)
.
Note that you need to use Long
not Integer
for this as the value for the current date is > 32767
Heredoc may be an option, see example 2 here: http://php.net/manual/en/language.types.string.php
My solution.
Before doing anything check:
if (!$this->entityManager->isOpen()) {
$this->entityManager = $this->entityManager->create(
$this->entityManager->getConnection(),
$this->entityManager->getConfiguration()
);
}
All entities will be saved. But it is handy for particular class or some cases. If you have some services with injected entitymanager, it still be closed.
How about more simply: Select * from tblStudents where [name] = replace(YourName,"'","''")
if you use bootstrap + modal, this worked for me :
$(myModal).modal('toggle');
$(myModal).on('shown.bs.modal', function() {
$('#modalSearchBox').focus()
});
You can use Count property of List in c#
please find below code which checks list empty and null both in a single condition
if(myList == null || myList.Count == 0)
{
//Do Something
}
Assuming that you know the table name, and want the names of the data columns you can use the listed code will do it in a simple and elegant way to my taste:
import sqlite3
def get_col_names():
#this works beautifully given that you know the table name
conn = sqlite3.connect("t.db")
c = conn.cursor()
c.execute("select * from tablename")
return [member[0] for member in c.description]
First off, EC2 and Elastic Compute Cloud are the same thing.
Next, AWS encompasses the range of Web Services that includes EC2 and Elastic Beanstalk. It also includes many others such as S3, RDS, DynamoDB, and all the others.
EC2 is Amazon's service that allows you to create a server (AWS calls these instances) in the AWS cloud. You pay by the hour and only what you use. You can do whatever you want with this instance as well as launch n
number of instances.
Elastic Beanstalk is one layer of abstraction away from the EC2 layer. Elastic Beanstalk will setup an "environment" for you that can contain a number of EC2 instances, an optional database, as well as a few other AWS components such as a Elastic Load Balancer, Auto-Scaling Group, Security Group. Then Elastic Beanstalk will manage these items for you whenever you want to update your software running in AWS. Elastic Beanstalk doesn't add any cost on top of these resources that it creates for you. If you have 10 hours of EC2 usage, then all you pay is 10 compute hours.
For running Wordpress, it is whatever you are most comfortable with. You could run it straight on a single EC2 instance, you could use a solution from the AWS Marketplace, or you could use Elastic Beanstalk.
In the case that you want to reduce system operations and just focus on the website, then Elastic Beanstalk would be the best choice for that. Elastic Beanstalk supports a PHP stack (as well as others). You can keep your site in version control and easily deploy to your environment whenever you make changes. It will also setup an Autoscaling group which can spawn up more EC2 instances if traffic is growing.
Here's the first result off of Google when searching for "elastic beanstalk wordpress": https://www.otreva.com/blog/deploying-wordpress-amazon-web-services-aws-ec2-rds-via-elasticbeanstalk/
There was a confusion between RichTextBox in System.Windows.Forms and in System.Windows.Control
I am using the one in the Control as I am using WPF. In there, there is no Text property, and in order to get a text, I should have used this line:
string myText = new TextRange(transcriberArea.Document.ContentStart, transcriberArea.Document.ContentEnd).Text;
thanks
Change your Action to:
powershell -noprofile -executionpolicy bypass -file C:\path\event4740.ps1
On a Windows 2008 server R2: In Task Scheduler under the General Tab - Make sure the 'Run As' user is set to an account with the right permissions it takes to execute the script.
Also, I believe you have the "Run only when user is logged on" Option checked off. Change that to "Run whether user is logged on or not". Leave the Do Not Store password option unchecked, and you'll probably need the "Run with Highest Privileges" option marked.
Try using this attribute, for example for password min length:
[StringLength(100, ErrorMessage = "???????????? ????? ?????? 20 ????????", MinimumLength = User.PasswordMinLength)]
lista = list.sort(lista)
This should be
lista.sort()
The .sort()
method is in-place, and returns None. If you want something not in-place, which returns a value, you could use
sorted_list = sorted(lista)
Aside #1: please don't call your lists list
. That clobbers the builtin list type.
Aside #2: I'm not sure what this line is meant to do:
print str("value 1a")+str(" + ")+str("value 2")+str(" = ")+str("value 3a ")+str("value 4")+str("\n")
is it simply
print "value 1a + value 2 = value 3a value 4"
? In other words, I don't know why you're calling str on things which are already str.
Aside #3: sometimes you use print("something")
(Python 3 syntax) and sometimes you use print "something"
(Python 2). The latter would give you a SyntaxError in py3, so you must be running 2.*, in which case you probably don't want to get in the habit or you'll wind up printing tuples, with extra parentheses. I admit that it'll work well enough here, because if there's only one element in the parentheses it's not interpreted as a tuple, but it looks strange to the pythonic eye..
The exception TypeError: 'NoneType' object is not subscriptable
happens because the value of lista
is actually None
. You can reproduce TypeError
that you get in your code if you try this at the Python command line:
None[0]
The reason that lista
gets set to None is because the return value of list.sort()
is None
... it does not return a sorted copy of the original list. Instead, as the documentation points out, the list gets sorted in-place instead of a copy being made (this is for efficiency reasons).
If you do not want to alter the original version you can use
other_list = sorted(lista)
import torch.nn as nn
# a simple network
rand_net = nn.Sequential(nn.Linear(in_features, h_size),
nn.BatchNorm1d(h_size),
nn.ReLU(),
nn.Linear(h_size, h_size),
nn.BatchNorm1d(h_size),
nn.ReLU(),
nn.Linear(h_size, 1),
nn.ReLU())
# initialization function, first checks the module type,
# then applies the desired changes to the weights
def init_normal(m):
if type(m) == nn.Linear:
nn.init.uniform_(m.weight)
# use the modules apply function to recursively apply the initialization
rand_net.apply(init_normal)
You could also try the following to add an inline style to the element:
$(this).attr('style', 'text-align: center');
This should make sure that other styling rules aren't overriding what you thought would work. I believe inline styles usually get precedence.
EDIT: Also, another tool that may help you is Jash (http://www.billyreisinger.com/jash/). It gives you a javascript command prompt so you can ensure you easily test javascript statements and make sure you're selecting the right element, etc.
I also faced the error code when i upgraded my java version to 1.8. The problem was with my eclipse.
My jdk which was installed on my system is of 32 - bit and my eclipse was of 64 - bit.
So solve this problem i downloaded the 32 - bit eclipse.
IMO this Architecture miss match problem
Plese match your architecture type of JDK and eclipse.
You can also try this.Here you are returning the function "inside" and invoking with the second set of parenthesis.
function outer() {
return (function inside(){
console.log("Inside inside function");
});
}
outer()();
Or
function outer2() {
let inside = function inside(){
console.log("Inside inside");
};
return inside;
}
outer2()();
CDasherComponent
has a body for the destructor? It's definitely not here - the question is if it is in the .cc file.CDasherModule
should explicitly define its destructor virtual
.CGameModule
has an extra }
at the end (after the }; // for the class
).CGameModule
being linked against the libraries that define CDasherModule
and CDasherComponent
?I have experienced that it is not safe (VS2010) to delete[] NULL (i.e. array syntax). I'm not sure whether this is according to the C++ standard.
It is safe to delete NULL (scalar syntax).
I ended up adding the following to my build.gradle:
bootRun {
environment SPRING_PROFILES_ACTIVE: environment.SPRING_PROFILES_ACTIVE ?: "local"
}
test {
environment SPRING_PROFILES_ACTIVE: environment.SPRING_PROFILES_ACTIVE ?: "test"
}
So now when running bootRun from IntelliJ, it defaults to the "local" profile.
On our other environments, we will simply set the 'SPRING_PROFILES_ACTIVE' environment variable in Tomcat.
I got this from a comment found here: https://github.com/spring-projects/spring-boot/pull/592
Check this out:
plt.hist(myarray, density = True)
Setting verify=False only skips verifying the server certificate, but will not help to resolve SSL protocol errors.
This issue is likely due to SSLv2 being disabled on the web server, but Python 2.x tries to establish a connection with PROTOCOL_SSLv23 by default. This happens at https://github.com/python/cpython/blob/360aa60b2a36f5f6e9e20325efd8d472f7559b1e/Lib/ssl.py#L1057
You can monkey-patch ssl.wrap_socket() in the ssl module by overriding the ssl_version keyword parameter. The following code can be used as-is. Put this at the start of your program before making any requests.
import ssl
from functools import wraps
def sslwrap(func):
@wraps(func)
def bar(*args, **kw):
kw['ssl_version'] = ssl.PROTOCOL_TLSv1
return func(*args, **kw)
return bar
ssl.wrap_socket = sslwrap(ssl.wrap_socket)
Swift and Xcode 10+
#if DEBUG
will pass in ANY development/ad-hoc build, device or simulator. It's only false for App Store and TestFlight builds.
Example:
#if DEBUG
print("Not App Store build")
#else
print("App Store build")
#endif
This will show original dimensions of Image on Hover using jQuery custom code
HTML
<ul class="thumb">
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/1.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/2.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/3.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/4.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/5.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/6.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/7.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/8.jpg)"></div>
</a>
</li>
<li>
<a href="javascript:void(0)">
<div class="thumbnail-wrap" style="background-image:url(./images/9.jpg)"></div>
</a>
</li>
</ul>
CSS
ul.thumb {
float: left;
list-style: none;
padding: 10px;
width: 360px;
margin: 80px;
}
ul.thumb li {
margin: 0;
padding: 5px;
float: left;
position: relative;
/* Set the absolute positioning base coordinate */
width: 110px;
height: 110px;
}
ul.thumb li .thumbnail-wrap {
width: 100px;
height: 100px;
/* Set the small thumbnail size */
-ms-interpolation-mode: bicubic;
/* IE Fix for Bicubic Scaling */
border: 1px solid #ddd;
padding: 5px;
position: absolute;
left: 0;
top: 0;
background-size: cover;
background-repeat: no-repeat;
-webkit-box-shadow: inset -3px 0px 40px -15px rgba(0, 0, 0, 1);
-moz-box-shadow: inset -3px 0px 40px -15px rgba(0, 0, 0, 1);
box-shadow: inset -3px 0px 40px -15px rgba(0, 0, 0, 1);
}
ul.thumb li .thumbnail-wrap.hover {
-webkit-box-shadow: -2px 1px 22px -1px rgba(0, 0, 0, 0.75);
-moz-box-shadow: -2px 1px 22px -1px rgba(0, 0, 0, 0.75);
box-shadow: -2px 1px 22px -1px rgba(0, 0, 0, 0.75);
}
.thumnail-zoomed-wrapper {
display: none;
position: fixed;
top: 0px;
left: 0px;
height: 100vh;
width: 100%;
background: rgba(0, 0, 0, 0.2);
z-index: 99;
}
.thumbnail-zoomed-image {
margin: auto;
display: block;
text-align: center;
margin-top: 12%;
}
.thumbnail-zoomed-image img {
max-width: 100%;
}
.close-image-zoom {
z-index: 10;
float: right;
margin: 10px;
cursor: pointer;
}
jQuery
var perc = 40;
$("ul.thumb li").hover(function () {
$("ul.thumb li").find(".thumbnail-wrap").css({
"z-index": "0"
});
$(this).find(".thumbnail-wrap").css({
"z-index": "10"
});
var imageval = $(this).find(".thumbnail-wrap").css("background-image").slice(5);
var img;
var thisImage = this;
img = new Image();
img.src = imageval.substring(0, imageval.length - 2);
img.onload = function () {
var imgh = this.height * (perc / 100);
var imgw = this.width * (perc / 100);
$(thisImage).find(".thumbnail-wrap").addClass("hover").stop()
.animate({
marginTop: "-" + (imgh / 4) + "px",
marginLeft: "-" + (imgw / 4) + "px",
width: imgw + "px",
height: imgh + "px"
}, 200);
}
}, function () {
var thisImage = this;
$(this).find(".thumbnail-wrap").removeClass("hover").stop()
.animate({
marginTop: "0",
marginLeft: "0",
top: "0",
left: "0",
width: "100px",
height: "100px",
padding: "5px"
}, 400, function () {});
});
//Show thumbnail in fullscreen
$("ul.thumb li .thumbnail-wrap").click(function () {
var imageval = $(this).css("background-image").slice(5);
imageval = imageval.substring(0, imageval.length - 2);
$(".thumbnail-zoomed-image img").attr({
src: imageval
});
$(".thumnail-zoomed-wrapper").fadeIn();
return false;
});
//Close fullscreen preview
$(".thumnail-zoomed-wrapper .close-image-zoom").click(function () {
$(".thumnail-zoomed-wrapper").hide();
return false;
});
For POI 3.17 this worked for me
switch (cellh.getCellTypeEnum()) {
case FORMULA:
if (cellh.getCellFormula().indexOf("LINEST") >= 0) {
value = Double.toString(cellh.getNumericCellValue());
} else {
value = XLS_getDataFromCellValue(evaluator.evaluate(cellh));
}
break;
case NUMERIC:
value = Double.toString(cellh.getNumericCellValue());
break;
case STRING:
value = cellh.getStringCellValue();
break;
case BOOLEAN:
if(cellh.getBooleanCellValue()){
value = "true";
} else {
value = "false";
}
break;
default:
value = "";
break;
}
Most Android and iPhone apps I have seen use an initial screen or dialog box to ask for credentials. I think it is cumbersome for the user to have to re-enter their name/password often, so storing that info makes sense from a usability perspective.
The advice from the (Android dev guide) is:
In general, we recommend minimizing the frequency of asking for user credentials -- to make phishing attacks more conspicuous, and less likely to be successful. Instead use an authorization token and refresh it.
Where possible, username and password should not be stored on the device. Instead, perform initial authentication using the username and password supplied by the user, and then use a short-lived, service-specific authorization token.
Using the AccountManger is the best option for storing credentials. The SampleSyncAdapter provides an example of how to use it.
If this is not an option to you for some reason, you can fall back to persisting credentials using the Preferences mechanism. Other applications won't be able to access your preferences, so the user's information is not easily exposed.
See: http://www.postgresql.org/docs/9.1/static/arrays.html
If your non-native driver still does not allow you to pass arrays, then you can:
pass a string representation of an array (which your stored procedure can then parse into an array -- see string_to_array
)
CREATE FUNCTION my_method(TEXT) RETURNS VOID AS $$
DECLARE
ids INT[];
BEGIN
ids = string_to_array($1,',');
...
END $$ LANGUAGE plpgsql;
then
SELECT my_method(:1)
with :1 = '1,2,3,4'
rely on Postgres itself to cast from a string to an array
CREATE FUNCTION my_method(INT[]) RETURNS VOID AS $$
...
END $$ LANGUAGE plpgsql;
then
SELECT my_method('{1,2,3,4}')
choose not to use bind variables and issue an explicit command string with all parameters spelled out instead (make sure to validate or escape all parameters coming from outside to avoid SQL injection attacks.)
CREATE FUNCTION my_method(INT[]) RETURNS VOID AS $$
...
END $$ LANGUAGE plpgsql;
then
SELECT my_method(ARRAY [1,2,3,4])
You could make id
a series of comma-seperated values, like this:
index.php?id=1,2,3&name=john
Then, within your PHP code, explode it into an array:
$values = explode(",", $_GET["id"]);
print count($values) . " values passed.";
This will maintain brevity. The other (more commonly used with $_POST) method is to use array-style square-brackets:
index.php?id[]=1&id[]=2&id[]=3&name=john
But that clearly would be much more verbose.
My example
private options = new RequestOptions({headers: new Headers({'Content-Type': 'application/json'})});
My method
getUserByName(name: string): Observable<MyObject[]> {
//set request params
let params: URLSearchParams = new URLSearchParams();
params.set("name", name);
//params.set("surname", surname); for more params
this.options.search = params;
let url = "http://localhost:8080/test/user/";
console.log("url: ", url);
return this.http.get(url, this.options)
.map((resp: Response) => resp.json() as MyObject[])
.catch(this.handleError);
}
private handleError(err) {
console.log(err);
return Observable.throw(err || 'Server error');
}
in my component
userList: User[] = [];
this.userService.getUserByName(this.userName).subscribe(users => {
this.userList = users;
});
By postman
http://localhost:8080/test/user/?name=Ethem
Ok, I know this was answered a long time ago... but, here's some new info:
Say the Contact class in question already has a defined natural ordering via implementing Comparable, but you want to override that ordering, say by name. Here's the modern way to do it:
List<Contact> contacts = ...;
contacts.sort(Comparator.comparing(Contact::getName).reversed().thenComparing(Comparator.naturalOrder());
This way it will sort by name first (in reverse order), and then for name collisions it will fall back to the 'natural' ordering implemented by the Contact class itself.
you could also use display: table
insted of tables. Divs are way more flexible than tables.
Example:
.table {_x000D_
display: table;_x000D_
border-collapse: collapse;_x000D_
}_x000D_
_x000D_
.table .table-row {_x000D_
display: table-row;_x000D_
}_x000D_
_x000D_
.table .table-cell {_x000D_
display: table-cell;_x000D_
text-align: left;_x000D_
vertical-align: top;_x000D_
border: 1px solid black;_x000D_
}
_x000D_
<div class="table">_x000D_
<div class="table-row">_x000D_
<div class="table-cell">test</div>_x000D_
<div class="table-cell">test1123</div>_x000D_
</div>_x000D_
<div class="table-row">_x000D_
<div class="table-cell">test</div>_x000D_
<div class="table-cell">test123</div>_x000D_
</div>_x000D_
</div>
_x000D_
1--> {Simple Insertion when table column sequence is known}
Insert into Table1
values(1,2,...)
2--> {Simple insertion mention column}
Insert into Table1(col2,col4)
values(1,2)
3--> {bulk insertion when num of selected collumns of a table(#table2) are equal to Insertion table(Table1) }
Insert into Table1 {Column sequence}
Select * -- column sequence should be same.
from #table2
4--> {bulk insertion when you want to insert only into desired column of a table(table1)}
Insert into Table1 (Column1,Column2 ....Desired Column from Table1)
Select Column1,Column2..desired column from #table2
Taking up @ZF007's answer, this is not answering your question as a whole, but can be the solution for the same error. I post it here since I have not found a direct solution as an answer to this error message elsewhere on Stack Overflow.
The error appears when you check whether an array was empty or not.
if np.array([1,2]): print(1)
--> ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()
.
if np.array([1,2])[0]: print(1)
--> no ValueError, but: if np.array([])[0]: print(1)
--> IndexError: index 0 is out of bounds for axis 0 with size 0
.
if np.array([1]): print(1)
--> no ValueError, but again will not help at an array with many elements.
if np.array([]): print(1)
--> DeprecationWarning: The truth value of an empty array is ambiguous. Returning False, but in future this will result in an error. Use 'array.size > 0' to check that an array is not empty.
Doing so:
if np.array([]).size: print(1)
solved the error.Well, I use this method on my site:
<a class="share-btn" href="https://www.facebook.com/sharer/sharer.php?app_id=[your_app_id]&sdk=joey&u=[full_article_url]&display=popup&ref=plugin&src=share_button" onclick="return !window.open(this.href, 'Facebook', 'width=640,height=580')">
Works perfectly.
I wrestled with this for some time. The problem lies not in how to load the data, but how to construct the table to hold it. You must generate a DDL statement to build the table before importing the data.
Particularly difficult if the table has a large number of columns.
Here's a python script that (almost) does the job:
#!/usr/bin/python
import sys
import csv
# get file name (and hence table name) from command line
# exit with usage if no suitable argument
if len(sys.argv) < 2:
sys.exit('Usage: ' + sys.argv[0] + ': input CSV filename')
ifile = sys.argv[1]
# emit the standard invocation
print 'create table ' + ifile + ' ('
with open(ifile + '.csv') as inputfile:
reader = csv.DictReader(inputfile)
for row in reader:
k = row.keys()
for item in k:
print '`' + item + '` TEXT,'
break
print ')\n'
The problem it leaves to solve is that the final field name and data type declaration is terminated with a comma, and the mySQL parser won't tolerate that.
Of course it also has the problem that it uses the TEXT data type for every field. If the table has several hundred columns, then VARCHAR(64) will make the table too large.
This also seems to break at the maximum column count for mySQL. That's when it's time to move to Hive or HBase if you are able.
Adding an answer because none of the existing answers specifically address the confusion in the official literature.
Generator functions are ordinary functions defined using yield
instead of return
. When called, a generator function returns a generator object, which is a kind of iterator - it has a next()
method. When you call next()
, the next value yielded by the generator function is returned.
Either the function or the object may be called the "generator" depending on which Python source document you read. The Python glossary says generator functions, while the Python wiki implies generator objects. The Python tutorial remarkably manages to imply both usages in the space of three sentences:
Generators are a simple and powerful tool for creating iterators. They are written like regular functions but use the yield statement whenever they want to return data. Each time next() is called on it, the generator resumes where it left off (it remembers all the data values and which statement was last executed).
The first two sentences identify generators with generator functions, while the third sentence identifies them with generator objects.
Despite all this confusion, one can seek out the Python language reference for the clear and final word:
The yield expression is only used when defining a generator function, and can only be used in the body of a function definition. Using a yield expression in a function definition is sufficient to cause that definition to create a generator function instead of a normal function.
When a generator function is called, it returns an iterator known as a generator. That generator then controls the execution of a generator function.
So, in formal and precise usage, "generator" unqualified means generator object, not generator function.
The above references are for Python 2 but Python 3 language reference says the same thing. However, the Python 3 glossary states that
generator ... Usually refers to a generator function, but may refer to a generator iterator in some contexts. In cases where the intended meaning isn’t clear, using the full terms avoids ambiguity.
Boys and Girls!
Since Django's 1.7 in send_email method the html_message
parameter was added.
html_message: If html_message is provided, the resulting email will be a multipart/alternative email with message as the text/plain content type and html_message as the text/html content type.
So you can just:
from django.core.mail import send_mail
from django.template.loader import render_to_string
msg_plain = render_to_string('templates/email.txt', {'some_params': some_params})
msg_html = render_to_string('templates/email.html', {'some_params': some_params})
send_mail(
'email title',
msg_plain,
'[email protected]',
['[email protected]'],
html_message=msg_html,
)
If you want to due this in component.ts
HTML:
<button class="class1 class2" (click)="clicked($event)">Click me</button>
Component:
clicked(event) {
event.target.classList.add('class3'); // To ADD
event.target.classList.remove('class1'); // To Remove
event.target.classList.contains('class2'); // To check
event.target.classList.toggle('class4'); // To toggle
}
For more options, examples and browser compatibility visit this link.
You get this error if you have constrained T
to being a class
There are various web APIs that will do this for you. Here's an example using my service, http://ipinfo.io:
$ip = $_SERVER['REMOTE_ADDR'];
$details = json_decode(file_get_contents("http://ipinfo.io/{$ip}"));
echo $details->country; // -> "US"
Web APIs are a nice quick and easy solution, but if you need to do a lot of lookups then having an IP -> country database on your own machine is a better solution. MaxMind offer a free database that you can use with various PHP libraries, including GeoIP.
After wrestling with this problem today my opinion is this: BEGIN...END brackets code just like {....} does in C languages, e.g. code blocks for if...else and loops
GO is (must be) used when succeeding statements rely on an object defined by a previous statement. USE database is a good example above, but the following will also bite you:
alter table foo add bar varchar(8);
-- if you don't put GO here then the following line will error as it doesn't know what bar is.
update foo set bar = 'bacon';
-- need a GO here to tell the interpreter to execute this statement, otherwise the Parser will lump it together with all successive statements.
It seems to me the problem is this: the SQL Server SQL Parser, unlike the Oracle one, is unable to realise that you're defining a new symbol on the first line and that it's ok to reference in the following lines. It doesn't "see" the symbol until it encounters a GO token which tells it to execute the preceding SQL since the last GO, at which point the symbol is applied to the database and becomes visible to the parser.
Why it doesn't just treat the semi-colon as a semantic break and apply statements individually I don't know and wish it would. Only bonus I can see is that you can put a print() statement just before the GO and if any of the statements fail the print won't execute. Lot of trouble for a minor gain though.
angular.module('formComponents', [])
.directive('formInput', function() {
return {
restrict: 'E',
compile: function(element, attrs) {
var type = attrs.type || 'text';
var required = attrs.hasOwnProperty('required') ? "required='required'" : "";
var htmlText = '<div class="control-group">' +
'<label class="control-label" for="' + attrs.formId + '">' + attrs.label + '</label>' +
'<div class="controls">' +
'<input type="' + type + '" class="input-xlarge" id="' + attrs.formId + '" name="' + attrs.formId + '" ' + required + '>' +
'</div>' +
'</div>';
element.replaceWith(htmlText);
}
};
})
Regex was not meant to validate number ranges(this number must be from 1 to 5 when the number preceding it happens to be a 2 and the number preceding that happens to be below 6). Just look for the pattern of placement of numbers in regex. If you need to validate is qualities of a date, put it in a date object js/c#/vb, and interogate the numbers there.
When appending only once or once every now and again, using np.append
on your array should be fine. The drawback of this approach is that memory is allocated for a completely new array every time it is called. When growing an array for a significant amount of samples it would be better to either pre-allocate the array (if the total size is known) or to append to a list and convert to an array afterward.
Using np.append
:
b = np.array([0])
for k in range(int(10e4)):
b = np.append(b, k)
1.2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to array afterward:
d = [0]
for k in range(int(10e4)):
d.append(k)
f = np.array(d)
13.5 ms ± 277 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
Pre-allocating numpy array:
e = np.zeros((n,))
for k in range(n):
e[k] = k
9.92 ms ± 752 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
When the final size is unkown pre-allocating is difficult, I tried pre-allocating in chunks of 50 but it did not come close to using a list.
85.1 ms ± 561 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
Have a look at XPCOM, there might be something that you can use if Firefox 3 is used by a client.
The problem is due to git/https buffer settings. In order to solve it (taken from Git fails when pushing commit to github)
git config http.postBuffer 524288000
And run the command again
Another way to solve this is like this:
tensor_shape[0].value
This will return the int value of the Dimension object.
Add bind(this) to your setTimeout callback function
setTimeout(function () {
this.basketAddSuccess = false
}.bind(this), 2000)
I read the answers. Then I noticed for me that the check box was already unchecked, but it still always reloaded the files. This is the Settings->Preferences->MISC->"Remember current session for next launch" check box on version 6.3.2. The following got rid of the problem:
1. Check the check box.
2. Exit the program.
3. Start the program again.
4. Uncheck the checkbox.
Assuming your ints are 0, 375, 668,5 and 6:
{
"Id": "610",
"Name": "15",
"Description": "1.99",
"ItemModList": [
0,
375,
668,
5,
6
]
}
I suggest that you change "Id": "610" to "Id": 610 since it is a integer/long and not a string. You can read more about the JSON format and examples here http://json.org/
I think groupby should work.
df.groupby(['A', 'B']).max()['C']
If you need a dataframe back you can chain the reset index call.
df.groupby(['A', 'B']).max()['C'].reset_index()
If it doesn't work from Team ? Manage Connections ? Local Git Repositories ? Clone, one can try either one these two ways.
Menu File ? Start Page ? Open ? Go for Git
(or)
Menu File ? Open ? Open from source control
In addition, you can use the "&" sign to run many processes through one (1) ssh connections in order to to keep minimum number of terminals. For example, I have one process that listens for messages in order to extract files, the second process listens for messages in order to upload files: Using the "&" I can run both services in one terminal, through single ssh connection to my server.
*****I just realized that these processes running through the "&" will also "stay alive" after ssh session is closed! pretty neat and useful if your connection to the server is interrupted**
Assuming your dataframe is mydf:
mydf$task <- factor(mydf$task, levels = c("up", "down", "left", "right", "front", "back"))
My recommendation when working with dates is to parse the date into individual fields from user input. You can use it as a full string, but you are playing with fire.
JavaScript can treat two equal dates in different formats differently.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse
Never do anything like:
new Date('date as text');
Once you have your date parsed into its individual fields from user input, create a date object. Once the date object is created convert it to UTC by adding the time zone offset. I can't stress how important it is to use the offset from the date object due to DST (that's another discussion however to show why).
var year = getFullYear('date as text');
var month = getMonth('date as text');
var dayOfMonth = getDate('date as text');
var date = new Date(year, month, dayOfMonth);
var offsetInMs = ((date.getTimezoneOffset() * 60) // Seconds
* 1000); // Milliseconds
var utcDate = new Date(date.getTime + offsetInMs);
Now you can pass the date to the server in UTC time. Again I would highly recommend against using any date strings. Either pass it to the server broken down to the lowest granularity you need e.g. year, month, day, minute or as a value like milliseconds from the unix epoch.
I'm using Laravel 5.7 and tried all of the above answers but nothing seemed to be hitting the spot.
For me, it was a rather simple fix by removing the cache files created by Laravel.
It seemed that my changes were not being reflected, and therefore my application wasn't seeing the routes.
A bit overkill, but I decided to reset all my cache at the same time using the following commands:
php artisan route:clear
php artisan view:clear
php artisan cache:clear
The main one here is the first command which will delete the bootstrap/cache/routes.php
file.
The second command will remove the cached files for the views that are stored in the storage/framework/cache
folder.
Finally, the last command will clear the application cache.
Might be it will help someone, 4 level and 2 child's on each level
Library.Include(a => a.Library.Select(b => b.Library.Select(c => c.Library)))
.Include(d=>d.Book.)
.Include(g => g.Library.Select(h=>g.Book))
.Include(j => j.Library.Select(k => k.Library.Select(l=>l.Book)))
Another way, you can use a pass-through object to capture the last value and then do something with it:
List<Integer> list = new ArrayList<Integer>();
Integer lastValue = null;
for (Integer i : list) {
// do stuff
lastValue = i;
}
// do stuff with last value
Use urllib2 and create a Request object which you then hand to urlopen. http://docs.python.org/library/urllib2.html
I dont really use the "old" urllib anymore.
req = urllib2.Request("http://google.com", None, {'User-agent' : 'Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5'})
response = urllib2.urlopen(req).read()
untested....
Swift 3 example of Ethan Strider's answer. A function that takes a hex string and returns a UIColor.
(You can enter hex strings with either format: #ffffff
or ffffff
)
Example:
func hexStringToUIColor (hex:String) -> UIColor {
var cString: String = hex.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines).uppercased()
if (cString.hasPrefix("#")) {
if let range = cString.range(of: cString) {
cString = cString.substring(from: cString.index(range.lowerBound, offsetBy: 1))
}
}
if ((cString.characters.count) != 6) {
return UIColor.gray
}
var rgbValue: UInt32 = 0
Scanner(string: cString).scanHexInt32(&rgbValue)
return UIColor(
red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
blue: CGFloat(rgbValue & 0x0000FF) / 255.0,
alpha: CGFloat(1.0)
)
}
Usage:
var color1 = hexStringToUIColor("#d3d3d3")
Use this one to add background---
background-image: url('images-path');
You can also add repeat or no-repeat function in it!
background: url('images-path') no-repeat 00;
simple use "accept" and "required" in and avoiding so much typical and unwanted coding.
I give the answer because I need to compare 2 files in notepad++ and there is no option available.
So first enable the plugin manager as asked by question here, Then follow this step to compare 2 files which is free in this software.
1.open notepad++, go to
Plugin -> Plugin Manager -> Show Plugin Manager
2.Show the available plugin list, choose Compare and Install
3.Restart Notepad++.
http://www.technicaloverload.com/compare-two-files-using-notepad/
@{
List<CategoryModel> CategoryList = CategoryModel.GetCategoryList(UserID);
IEnumerable<SelectListItem> CategorySelectList = CategoryList.Select(x => new SelectListItem() { Text = x.CategoryName.Trim(), Value = x.CategoryID.Trim() });
}
<tr>
<td>
<B>Assigned Category:</B>
</td>
<td>
@Html.DropDownList("CategoryList", CategorySelectList, "Select a Category (Optional)")
</td>
</tr>
Are you trying do a cross-domain AJAX call? Meaning, your service is not hosted in your same web application path? Your web-service must support method injection in order to do JSONP.
Your code seems fine and it should work if your web services and your web application hosted in the same domain.
When you do a $.ajax
with dataType: 'jsonp'
meaning that jQuery is actually adding a new parameter to the query URL.
For instance, if your URL is http://10.211.2.219:8080/SampleWebService/sample.do
then jQuery will add ?callback={some_random_dynamically_generated_method}
.
This method is more kind of a proxy actually attached in window
object. This is nothing specific but does look something like this:
window.some_random_dynamically_generated_method = function(actualJsonpData) {
//here actually has reference to the success function mentioned with $.ajax
//so it just calls the success method like this:
successCallback(actualJsonData);
}
Summary
Your client code seems just fine. However, you have to modify your server-code to wrap your JSON data with a function name that passed with query string. i.e.
If you have reqested with query string
?callback=my_callback_method
then, your server must response data wrapped like this:
my_callback_method({your json serialized data});
Returns the duplicate item in array and creates a new array with no duplicates:
var a = ["hello", "hi", "hi", "juice", "juice", "test"];
var b = ["ding", "dong", "hi", "juice", "juice", "test"];
var c = a.concat(b);
var dupClearArr = [];
function dupArray(arr) {
for (i = 0; i < arr.length; i++) {
if (arr.indexOf(arr[i]) != i && arr.indexOf(arr[i]) != -1) {
console.log('duplicate item ' + arr[i]);
} else {
dupClearArr.push(arr[i])
}
}
console.log('actual array \n' + arr + ' \nno duplicate items array \n' + dupClearArr)
}
dupArray(c);
With recent browser support of "Clear-Site-Data" headers, you can clear different types of data: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Clear-Site-Data
header('Clear-Site-Data: "cache", "cookies", "storage", "executionContexts"');
Use a tool such as wait-for-it or dockerize. These are small wrapper scripts which you can include in your application’s image. Or write your own wrapper script to perform a more application-specific commands. according to: https://docs.docker.com/compose/startup-order/
All you need to do is this: click on (window) on the dropdown manue on top of your screen. click on (Editor). click on (zoom in) as many times as you need to.
As others have pointed out queries will be slower. I'd suggest to add at least an '_ID' column to query by that instead.
This is sort of an appendage @znq's answer...
There are many cases where you want to know the row position for a clicked item AND you want to know which view in the row was tapped. This is going to be a lot more important in tablet UIs.
You can do this with the following custom adapter:
private static class CustomCursorAdapter extends CursorAdapter {
protected ListView mListView;
protected static class RowViewHolder {
public TextView mTitle;
public TextView mText;
}
public CustomCursorAdapter(Activity activity) {
super();
mListView = activity.getListView();
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
// do what you need to do
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View view = View.inflate(context, R.layout.row_layout, null);
RowViewHolder holder = new RowViewHolder();
holder.mTitle = (TextView) view.findViewById(R.id.Title);
holder.mText = (TextView) view.findViewById(R.id.Text);
holder.mTitle.setOnClickListener(mOnTitleClickListener);
holder.mText.setOnClickListener(mOnTextClickListener);
view.setTag(holder);
return view;
}
private OnClickListener mOnTitleClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
final int position = mListView.getPositionForView((View) v.getParent());
Log.v(TAG, "Title clicked, row %d", position);
}
};
private OnClickListener mOnTextClickListener = new OnClickListener() {
@Override
public void onClick(View v) {
final int position = mListView.getPositionForView((View) v.getParent());
Log.v(TAG, "Text clicked, row %d", position);
}
};
}
Starting with NUnit 2.5 you can use /framework switch e.g.:
nunit-console myassembly.dll /framework:net-1.1
This is from NUnit's help pages.
if you want to filter the tuples you can use on this way:
select distinct (case a > b then (a,b) else (b,a) end) from pairs
the good stuff is you don't have to use group by.
Please do the following two steps on IIS 8.0
Add new MIME type & HttpHandler
Extension: .svc, MIME type: application/octet-stream
Request path: *.svc, Type: System.ServiceModel.Activation.HttpHandler, Name: svc-Integrated
Try using printf
function or the concatination operator
The easiest way would be to make a mask with a rounded corner layer.
CALayer *maskLayer = [CALayer layer];
maskLayer.frame = CGRectMake(0,0,maskWidth ,maskHeight);
maskLayer.contents = (__bridge id)[[UIImage imageNamed:@"maskImageWithRoundedCorners.png"] CGImage];
aUIView.layer.mask = maskLayer;
And don't forget to:
#import <QuartzCore/QuartzCore.h>
Swift 4:
To add an overlay, or the popup view You can also use the Container View with which you get a free View Controller ( you get the Container View from the usual object palette/library)
Steps:
Have a View (ViewForContainer in the pic) that holds this Container View, to dim it when the contents of Container View are displayed. Connect the outlet inside the first View Controller
Hide this View when 1st VC loads
To dim this View when the Container View content is displayed, set the Views Background to Black and opacity to 30%
If you create your gems with bundler:
# do this in the proper directory
bundle gem foobar
You can install them with rake after they are written:
# cd into your gem directory
rake install
Chances are, that your downloaded gem will know rake install
, too.
doAnswer
and thenReturn
do the same thing if:
Let's mock this BookService
public interface BookService {
String getAuthor();
void queryBookTitle(BookServiceCallback callback);
}
You can stub getAuthor() using doAnswer
and thenReturn
.
BookService service = mock(BookService.class);
when(service.getAuthor()).thenReturn("Joshua");
// or..
doAnswer(new Answer() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
return "Joshua";
}
}).when(service).getAuthor();
Note that when using doAnswer
, you can't pass a method on when
.
// Will throw UnfinishedStubbingException
doAnswer(invocation -> "Joshua").when(service.getAuthor());
So, when would you use doAnswer
instead of thenReturn
? I can think of two use cases:
Using doAnswer you can do some additionals actions upon method invocation. For example, trigger a callback on queryBookTitle.
BookServiceCallback callback = new BookServiceCallback() {
@Override
public void onSuccess(String bookTitle) {
assertEquals("Effective Java", bookTitle);
}
};
doAnswer(new Answer() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
BookServiceCallback callback = (BookServiceCallback) invocation.getArguments()[0];
callback.onSuccess("Effective Java");
// return null because queryBookTitle is void
return null;
}
}).when(service).queryBookTitle(callback);
service.queryBookTitle(callback);
When using when-thenReturn on Spy Mockito will call real method and then stub your answer. This can cause a problem if you don't want to call real method, like in this sample:
List list = new LinkedList();
List spy = spy(list);
// Will throw java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
when(spy.get(0)).thenReturn("java");
assertEquals("java", spy.get(0));
Using doAnswer we can stub it safely.
List list = new LinkedList();
List spy = spy(list);
doAnswer(invocation -> "java").when(spy).get(0);
assertEquals("java", spy.get(0));
Actually, if you don't want to do additional actions upon method invocation, you can just use doReturn
.
List list = new LinkedList();
List spy = spy(list);
doReturn("java").when(spy).get(0);
assertEquals("java", spy.get(0));
If you are using a database that supports map-reduce, like couchdb, storing tags in a plain text field or list field is indeed the best way. Example:
tagcloud: {
map: function(doc){
for(tag in doc.tags){
emit(doc.tags[tag],1)
}
}
reduce: function(keys,values){
return values.length
}
}
Running this with group=true will group the results by tag name, and even return a count of the number of times that tag was encountered. It's very similar to counting the occurrences of a word in text.
long a = 1111;
Long b = new Long(1113);
System.out.println(b.equals(a) ? "equal" : "different");
System.out.println((long) b == a ? "equal" : "different");
There's actually a good reason:
The non-static access does not always work, for reasons of ambiguity.
Suppose we have two classes, A and B, the latter being a subclass of A, with static fields with the same name:
public class A {
public static String VALUE = "Aaa";
}
public class B extends A {
public static String VALUE = "Bbb";
}
Direct access to the static variable:
A.VALUE (="Aaa")
B.VALUE (="Bbb")
Indirect access using an instance (gives a compiler warning that VALUE should be statically accessed):
new B().VALUE (="Bbb")
So far, so good, the compiler can guess which static variable to use, the one on the superclass is somehow farther away, seems somehow logical.
Now to the point where it gets tricky: Interfaces can also have static variables.
public interface C {
public static String VALUE = "Ccc";
}
public interface D {
public static String VALUE = "Ddd";
}
Let's remove the static variable from B, and observe following situations:
B implements C, D
B extends A implements C
B extends A implements C, D
B extends A implements C
where A implements D
B extends A implements C
where C extends D
The statement new B().VALUE
is now ambiguous, as the compiler cannot decide which static variable was meant, and will report it as an error:
error: reference to VALUE is ambiguous
both variable VALUE in C and variable VALUE in D match
And that's exactly the reason why static variables should be accessed in a static way.
java.lang.String
class has method substring
not substr
, thats the error in your program.
Moreover you can do this in one single line if you are ok in using regular expression.
a.replaceAll("\\s+","");
For byte Array type data you can use magic.from_buffer(_byte_array,mime=True)
if (!file_get_contents($data)) {
exit('<h1>ERROR MESSAGE</h1>');
} else {
return file_get_contents($data);
}
Try one of below options.
For 32 bit JVM:
jmap -dump:format=b,file=<heap_dump_filename> <pid>
For 64 bit JVM (explicitly quoting):
jmap -J-d64 -dump:format=b,file=<heap_dump_filename> <pid>
For 64 bit JVM with G1GC algorithm in VM parameters (Only live objects heap is generated with G1GC algorithm):
jmap -J-d64 -dump:live,format=b,file=<heap_dump_filename> <pid>
Related SE question: Java heap dump error with jmap command : Premature EOF
Have a look at various options of jmap
at this article
A possible idea would be to:
width: 25%; float:left;
from the style of your divsstyle="width: 25%; float:left;"
The advantage with this approach is that all four columns will have equal width and the gap between them will always be 5px * 2.
Here's what it looks like:
.cellContainer {_x000D_
width: 25%;_x000D_
float: left;_x000D_
}
_x000D_
<div style="width:100%; height: 200px; background-color: grey;">_x000D_
<div class="cellContainer">_x000D_
<div style="margin: 5px; background-color: red;">A</div>_x000D_
</div>_x000D_
<div class="cellContainer">_x000D_
<div style="margin: 5px; background-color: orange;">B</div>_x000D_
</div>_x000D_
<div class="cellContainer">_x000D_
<div style="margin: 5px; background-color: green;">C</div>_x000D_
</div>_x000D_
<div class="cellContainer">_x000D_
<div style="margin: 5px; background-color: blue;">D</div>_x000D_
</div>_x000D_
</div>
_x000D_
If you use Integrated Security, you might want to know that you simply need to use -E
like this:
sqlcmd -S Serverinstance -E -i import_file.sql
If you are using AngularJS, you can use $routeParams
using ngRoute
module
You have to add a module to your app
angular.module('myApp', ['ngRoute'])
Now you can use service $routeParams
:
.controller('AppCtrl', function($routeParams) {
console.log($routeParams); // JSON object
}
You could use querySelector()
with attribute selector '[attribute="value"]'
, then affect css rule using .style
, as you can see in the example below:
document.querySelector('a[aria-expanded="true"]').style.backgroundColor = "#42DCA3";
_x000D_
<ul><li class="active">_x000D_
<a href="#3a" class="btn btn-default btn-lg" data-toggle="tab" aria-expanded="true"> <span class="network-name">Google+ with aria expanded true</span></a>_x000D_
</li>_x000D_
<li>_x000D_
<a href="#3a" class="btn btn-default btn-lg" data-toggle="tab" aria-expanded="false"> <span class="network-name">Google+ with aria expanded false</span></a>_x000D_
</li>_x000D_
</ul>
_x000D_
jQuery solution :
If you want to use a jQuery solution you could simply use css()
method :
$('a[aria-expanded="true"]').css('background-color','#42DCA3');
Hope this helps.
None of those are precisely the same, though they will all have the same net effect.
The difference between the first and the second is that if you happen to be on the main application thread when executing the code, the first one (runOnUiThread()
) will execute the Runnable
immediately. The second one (post()
) always puts the Runnable
at the end of the event queue, even if you are already on the main application thread.
The third one, assuming you create and execute an instance of BackgroundTask
, will waste a lot of time grabbing a thread out of the thread pool, to execute a default no-op doInBackground()
, before eventually doing what amounts to a post()
. This is by far the least efficient of the three. Use AsyncTask
if you actually have work to do in a background thread, not just for the use of onPostExecute()
.
Good Question & Matt's was a good answer. To expand on the syntax a little if the oldtable has an identity a user could run the following:
SELECT col1, col2, IDENTITY( int ) AS idcol
INTO #newtable
FROM oldtable
That would be if the oldtable was scripted something as such:
CREATE TABLE [dbo].[oldtable]
(
[oldtableID] [numeric](18, 0) IDENTITY(1,1) NOT NULL,
[col1] [nvarchar](50) NULL,
[col2] [numeric](18, 0) NULL,
)
You need
.abc,.ab {
display: none;
}
#f:hover ~ .ab {
display: block;
}
#s:hover ~ .abc {
display: block;
}
#s:hover ~ .a,
#f:hover ~ .a{
display: none;
}
Updated demo at http://jsfiddle.net/gaby/n5fzB/2/
The problem in your original CSS was that the ,
in css selectors starts a completely new selector. it is not combined.. so #f:hover ~ .abc,.a
means #f:hover ~ .abc
and .a
. You set that to display:none
so it was always set to be hidden for all .a
elements.
This is late to the party... but I thought I'd share it. I love the popover but it has so little built-in functionality. I wrote a bootstrap extension .bubble() that is everything I'd like popover to be. Four ways to dismiss. Click outside, toggle on the link, click the X, and hit escape.
It positions automatically so it never goes off the page.
https://github.com/Itumac/bootstrap-bubble
This is not a gratuitous self promo...I've grabbed other people's code so many times in my life, I wanted to offer my own efforts. Give it a whirl and see if it works for you.
i fixed My issue by adding the annotation of @Lob which will create the byte[] in oracle as blob , but this annotation will create the field as oid which not work properly , To make byte[] created as bytea i made customer Dialect for postgres as below
Public class PostgreSQLDialectCustom extends PostgreSQL82Dialect {
public PostgreSQLDialectCustom() {
System.out.println("Init PostgreSQLDialectCustom");
registerColumnType( Types.BLOB, "bytea" );
}
@Override
public SqlTypeDescriptor remapSqlTypeDescriptor(SqlTypeDescriptor sqlTypeDescriptor) {
if (sqlTypeDescriptor.getSqlType() == java.sql.Types.BLOB) {
return BinaryTypeDescriptor.INSTANCE;
}
return super.remapSqlTypeDescriptor(sqlTypeDescriptor);
}
}
Also need to override parameter for the Dialect
spring.jpa.properties.hibernate.dialect=com.ntg.common.DBCompatibilityHelper.PostgreSQLDialectCustom
more hint can be found her : https://dzone.com/articles/postgres-and-oracle
I presume you meant false
instead of 'false'
Also, [disabled]
is expecting a Boolean
. You should avoid returning a null
.
If you are using bootstrap.js then the below code might be useful. This is very simple. Dont have to write anything in js to invoke the pop-up.
Source :http://www.w3schools.com/bootstrap/tryit.asp?filename=trybs_modal&stacked=h
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Modal Example</h2>
<!-- Trigger the modal with a button -->
<button type="button" class="btn btn-info btn-lg" data-toggle="modal" data-target="#myModal">Open Modal</button>
<!-- Modal -->
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog">
<!-- Modal content-->
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title">Modal Header</h4>
</div>
<div class="modal-body">
<p>Some text in the modal.</p>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
you can implement your adapter's onClickListener:
public class AdapterClass extends RecyclerView.Adapter<AdapterClass.MyViewHolder>implements View.OnClickListener
and use interface with method in it
public interface mClickListener {
public void mClick(View v, int position);
}
and in your onClick method call the method in the interface and pass it the view and position
in your main activity implement that interface
public class MainActivity extends ActionBarActivity implements AdapterClass.mClickListener
and override that method
@Override
public void onCommentsClick(View v, int position) {
final Intent intent = new Intent(this, OtherActivity.class);
}
as its better to manage your activity transition by the activity not other classes
I have tried changing the tnsnames.ora file putting the IP of the server instead of localhost or loopback address, it did not work. The firewall was blocking the requests. Please configure your firewall or turn it off(not recommended), it would work.
In your code sample you are trying to divide an integer with another integer. This is the cause of all your trouble. Here is an article that might find interesting on that subject.
With the notion of integer division you can see right away that this is not what you want in your formula. Instead, you need to use some floating point literals.
I am a rather confused by the title of this thread and your code sample. Do you want to convert Celsius degrees to Fahrenheit or do the opposite?
I will base my code sample on your own code sample until you give more details on what you want.
Here is an example of what you can do :
#include <iostream>
//no need to use the whole std namespace... use what you need :)
using std::cout;
using std::cin;
using std::endl;
int main()
{
//Variables
float celsius, //represents the temperature in Celsius degrees
fahrenheit; //represents the converted temperature in Fahrenheit degrees
//Ask for the temperature in Celsius degrees
cout << "Enter Celsius temperature: ";
cin >> celsius;
//Formula to convert degrees in Celsius to Fahrenheit degrees
//Important note: floating point literals need to have the '.0'!
fahrenheit = celsius * 9.0/5.0 + 32.0;
//Print the converted temperature to the console
cout << "Fahrenheit = " << fahrenheit << endl;
}
When you define any variable then you do not have to put in any extra spaces.
E.g.
name = "Stack Overflow"
// it is not valid, you will get an error saying- "Command not found"
So remove spaces:
name="Stack Overflow"
and it will work fine.
I had the same problem and none of the solutions worked. When I checked the history I figured out the issue. I had this warning
Task Scheduler did not launch task "\TASK_NAME" because instance "{34a206d4-7fce-3895-bfcd-2456f6ed6533}" of the same task is already running.
In the settings tab there is a drop down option for "If the task is already running, then the following rule applies:" and the default is "Do not start a new instance". Change that to "Run a new instance in parallel" or "Stop the existing instance" based on what you actually need to be done.
I know it's an old thread and multiple solutions are good here, this is just what worked for me. Hope it helps.
I have resolved it , this way
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
public class DateParser {
public static void main(String args[]) throws Exception {
DateParser dateParser = new DateParser();
String str = dateParser.getparsedDate("2012-11-17T00:00:00.000-05:00");
System.out.println(str);
}
private String getparsedDate(String date) throws Exception {
DateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS", Locale.US);
String s1 = date;
String s2 = null;
Date d;
try {
d = sdf.parse(s1);
s2 = (new SimpleDateFormat("MM/yyyy")).format(d);
} catch (ParseException e) {
e.printStackTrace();
}
return s2;
}
}
like Paul said, use
conda create --prefix=/users/.../yourEnvName python=x.x
if you are located in the folder in which you want to create your virtual environment, just omit the path and use
conda create --prefix=yourEnvName python=x.x
conda only keep track of the environments included in the folder envs inside the anaconda folder. The next time you will need to activate your new env, move to the folder where you created it and activate it with
source activate yourEnvName
try
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long diffHours = diff / (60 * 60 * 1000);
NOTE: this assumes that diff
is non-negative.
Variables everywhere are taken as globals in Coldfusion, no matter where they are placed.
<cffunction name="one" returntype="void">
<cfset var wtf="coldfusion">
<cfinvoke method="second">
</cffunction>
<cffunction name="two" returntype="void">
<cfoutput>#wtf#</cfoutput>
</cffunction>
This error will also occur when using pdsh to hosts which are not contained in your "known_hosts" file.
I was able to correct this by SSH'ing into each host manually and accepting the question "Do you want to add this to known hosts".
var test = $("#test").val();
if (test != 'A' && test != 'B'){
do stuff;
}
else {
do other stuff;
}
Like the following. It will make the user database owner.
EXEC sp_addrolemember N'db_owner', N'USerNAme'
Not with CSS you can't. You need to use JS. A quick example copying the img to the background:
var $el = document.getElementById( 'rightflower' )
, $img = $el.getElementsByTagName( 'img' )[0]
, src = $img.src
$el.innerHTML = "";
$el.style.background = "url( " + src + " ) repeat-y;"
Or you can actually repeat the image, but how many times?
var $el = document.getElementById( 'rightflower' )
, str = ""
, imgHTML = $el.innerHTML
, i, i2;
for( i=0,i2=10; i<i2; i++ ){
str += imgHTML;
}
$el.innerHTML = str;
while not any( x in ('AND','OR','NOT') for x in list)
EDIT:
thank you for the upvotes , but etarion's solution is better since it tests if the words AND, OR, NOT are in the list, that is to say 3 tests.
Mine does as many tests as there are words in list.
EDIT2:
Also there is
while not ('AND' in list,'OR' in list,'NOT' in list)==(False,False,False)
Bundle is not only to transfer data between two different components but more importantly it is used to restore the values stored before activity is destroyed into new activity.
such as the text in an EditText
widget or the scroll position of a ListView
.
I assume you have already read Wikipedia and other academic resources on this, so I won't recycle any of that information. I must also caveat that I am not a computer science expert by any means, but I'll share my two cents on my understanding of these topics...
Breaks the problem down into discrete subproblems. The recursive algorithm for the Fibonacci sequence is an example of Dynamic Programming, because it solves for fib(n) by first solving for fib(n-1). In order to solve the original problem, it solves a different problem.
These algorithms typically solve similar pieces of the problem, and then put them together at the end. Mergesort is a classic example of divide and conquer. The main difference between this example and the Fibonacci example is that in a mergesort, the division can (theoretically) be arbitrary, and no matter how you slice it up, you are still merging and sorting. The same amount of work has to be done to mergesort the array, no matter how you divide it up. Solving for fib(52) requires more steps than solving for fib(2).
.values
in favour of these methods!From v0.24.0 onwards, we will have two brand spanking new, preferred methods for obtaining NumPy arrays from Index
, Series
, and DataFrame
objects: they are to_numpy()
, and .array
. Regarding usage, the docs mention:
We haven’t removed or deprecated
Series.values
orDataFrame.values
, but we highly recommend and using.array
or.to_numpy()
instead.
See this section of the v0.24.0 release notes for more information.
df.index.to_numpy()
# array(['a', 'b'], dtype=object)
df['A'].to_numpy()
# array([1, 4])
By default, a view is returned. Any modifications made will affect the original.
v = df.index.to_numpy()
v[0] = -1
df
A B
-1 1 2
b 4 5
If you need a copy instead, use to_numpy(copy=True
);
v = df.index.to_numpy(copy=True)
v[-1] = -123
df
A B
a 1 2
b 4 5
Note that this function also works for DataFrames (while .array
does not).
array
Attribute
This attribute returns an ExtensionArray
object that backs the Index/Series.
pd.__version__
# '0.24.0rc1'
# Setup.
df = pd.DataFrame([[1, 2], [4, 5]], columns=['A', 'B'], index=['a', 'b'])
df
A B
a 1 2
b 4 5
df.index.array
# <PandasArray>
# ['a', 'b']
# Length: 2, dtype: object
df['A'].array
# <PandasArray>
# [1, 4]
# Length: 2, dtype: int64
From here, it is possible to get a list using list
:
list(df.index.array)
# ['a', 'b']
list(df['A'].array)
# [1, 4]
or, just directly call .tolist()
:
df.index.tolist()
# ['a', 'b']
df['A'].tolist()
# [1, 4]
Regarding what is returned, the docs mention,
For
Series
andIndex
es backed by normal NumPy arrays,Series.array
will return a newarrays.PandasArray
, which is a thin (no-copy) wrapper around anumpy.ndarray
.arrays.PandasArray
isn’t especially useful on its own, but it does provide the same interface as any extension array defined in pandas or by a third-party library.
So, to summarise, .array
will return either
ExtensionArray
backing the Index/Series, or ExtensionArray
object is created as a thin wrapper over the underlying array. Rationale for adding TWO new methods
These functions were added as a result of discussions under two GitHub issues GH19954 and GH23623.
Specifically, the docs mention the rationale:
[...] with
.values
it was unclear whether the returned value would be the actual array, some transformation of it, or one of pandas custom arrays (likeCategorical
). For example, withPeriodIndex
,.values
generates a newndarray
of period objects each time. [...]
These two functions aim to improve the consistency of the API, which is a major step in the right direction.
Lastly, .values
will not be deprecated in the current version, but I expect this may happen at some point in the future, so I would urge users to migrate towards the newer API, as soon as you can.
It seems that some apps won't read symlinked /etc/hosts
(on macOS at least), you need to hardlink it.
ln /path/to/hosts_file /etc/hosts
a thorough reading of jQuery AJAX cross domain seems to indicate that the server you are querying is returning a header string that prohibits cross-domain json requests. Check the headers of the response you are receiving to see if the Access-Control-Allow-Origin header is set, and whether its value restricts cross-domain requests to the local host.
You can also call cancelAll
on the notification manager, so you don't even have to worry about the notification ids.
NotificationManager notifManager= (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
notifManager.cancelAll();
EDIT : I was downvoted so maybe I should specify that this will only remove the notification from your application.
To reference a commit, simply write its SHA-hash, and it'll automatically get turned into a link.
"Java 8 support for Eclipse Kepler SR2", and the new "JavaSE-1.8" execution environment showed up automatically.
Download this one:- Eclipse kepler SR2
and then follow this link:- Eclipse_Java_8_Support_For_Kepler
This setting useOldUTF8Behavior=true worked fine for me. It gave no incorrect string errors but it converted special characters like à into multiple characters and saved in the database.
To avoid such situations, I removed this property from the JDBC parameter and instead converted the datatype of my column to BLOB. This worked perfect.
If you happen to be using the Ruby gem redcarpet to render Markdown, you may still have this problem.
You can escape the numbering, and redcarpet will happily ignore any special meaning:
1\. Some heading
text text
text text
text text
2\. Some other heading
blah blah
more blah blah
My guess is that the system-status
element is declared after the variable declaration is run. Thus, at the time the variable is declared, it is actually being set to null?
You should declare it only, then assign its value from an onLoad
handler instead, because then you will be sure that it has properly initialized (loaded) the element in question.
You could also try putting the script at the bottom of the page (or at least somewhere after the system-status
element is declared) but it's not guaranteed to always work.
The XLSB format is also dedicated to the macros embeded in an hidden workbook file located in excel startup folder (XLSTART).
A quick & dirty test with a xlsm or xlsb in XLSTART folder:
Measure-Command { $x = New-Object -com Excel.Application ;$x.Visible = $True ; $x.Quit() }
0,89s with a xlsb (binary) versus 1,3s with the same content in xlsm format (xml in a zip file) ... :)
Strings, though they are not set
types, have a valuable in
property during validation in scripts:
yn = input("Are you sure you want to do this? ")
if yn in "yes":
#accepts 'y' OR 'e' OR 's' OR 'ye' OR 'es' OR 'yes'
return True
return False
I hope this helps you better understand the use of in
with this example.
git branch
with no arguments displays the current branch marked with an asterisk in front of it:
user@host:~/gittest$ git branch
* master
someotherbranch
In order to not have to type this all the time, I can recommend git prompt:
https://github.com/git/git/blob/master/contrib/completion/git-prompt.sh
In the AIX box how I can see that I am using master or inside a particular branch. What changes inside .git that drives which branch I am on?
Git stores the HEAD
in the file .git/HEAD
. If you're on the master
branch, it could look like this:
$ cat .git/HEAD
ref: refs/heads/master
I usually do something along the lines of:
<View style={this.jewelStyle()} />
...
jewelStyle = function(options) {
return {
borderRadius: 12,
background: randomColor(),
}
}
Every time View is rendered, a new style object will be instantiated with a random color associated with it. Of course, this means that the colors will change every time the component is re-rendered, which is perhaps not what you want. Instead, you could do something like this:
var myColor = randomColor()
<View style={jewelStyle(myColor)} />
...
jewelStyle = function(myColor) {
return {
borderRadius: 10,
background: myColor,
}
}
I've just removed the tags "portrait" from the non full-screen elements and everything went fine.
android:screenOrientation="portrait"
I ended up using Jsch- it was pretty straightforward, and seemed to scale up pretty well (I was grabbing a few thousand files every few minutes).
When you execute a method (i.e. function assigned to an object), inside it you can use this
variable to refer to this object, for example:
var obj = {_x000D_
someProperty: true,_x000D_
someMethod: function() {_x000D_
console.log(this.someProperty);_x000D_
}_x000D_
};_x000D_
obj.someMethod(); // logs true
_x000D_
If you assign a method from one object to another, its this
variable refers to the new object, for example:
var obj = {_x000D_
someProperty: true,_x000D_
someMethod: function() {_x000D_
console.log(this.someProperty);_x000D_
}_x000D_
};_x000D_
_x000D_
var anotherObj = {_x000D_
someProperty: false,_x000D_
someMethod: obj.someMethod_x000D_
};_x000D_
_x000D_
anotherObj.someMethod(); // logs false
_x000D_
The same thing happens when you assign requestAnimationFrame
method of window
to another object. Native functions, such as this, has build-in protection from executing it in other context.
There is a Function.prototype.call()
function, which allows you to call a function in another context. You just have to pass it (the object which will be used as context) as a first parameter to this method. For example alert.call({})
gives TypeError: Illegal invocation
. However, alert.call(window)
works fine, because now alert
is executed in its original scope.
If you use .call()
with your object like that:
support.animationFrame.call(window, function() {});
it works fine, because requestAnimationFrame
is executed in scope of window
instead of your object.
However, using .call()
every time you want to call this method, isn't very elegant solution. Instead, you can use Function.prototype.bind()
. It has similar effect to .call()
, but instead of calling the function, it creates a new function which will always be called in specified context. For example:
window.someProperty = true;_x000D_
var obj = {_x000D_
someProperty: false,_x000D_
someMethod: function() {_x000D_
console.log(this.someProperty);_x000D_
}_x000D_
};_x000D_
_x000D_
var someMethodInWindowContext = obj.someMethod.bind(window);_x000D_
someMethodInWindowContext(); // logs true
_x000D_
The only downside of Function.prototype.bind()
is that it's a part of ECMAScript 5, which is not supported in IE <= 8. Fortunately, there is a polyfill on MDN.
As you probably already figured out, you can use .bind()
to always execute requestAnimationFrame
in context of window
. Your code could look like this:
var support = {
animationFrame: (window.requestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.msRequestAnimationFrame ||
window.oRequestAnimationFrame).bind(window)
};
Then you can simply use support.animationFrame(function() {});
.
You can try this also...
button {
background: none;
border: 0;
box-sizing: border-box;
margin: 1em;
padding: 1em 2em;
box-shadow: inset 0 0 0 2px #f45e61;
color: #f45e61;
font-size: inherit;
font-weight: 700;
vertical-align: middle;
position: relative;
}
button::before, button::after {
box-sizing: inherit;
content: '';
position: absolute;
width: 100%;
height: 100%;
}
.draw {
-webkit-transition: color 0.25s;
transition: color 0.25s;
}
.draw::before, .draw::after {
border: 2px solid transparent;
width: 0;
height: 0;
}
.draw::before {
top: 0;
left: 0;
}
.draw::after {
bottom: 0;
right: 0;
}
.draw:hover {
color: #60daaa;
}
.draw:hover::before, .draw:hover::after {
width: 100%;
height: 100%;
}
.draw:hover::before {
border-top-color: #60daaa;
border-right-color: #60daaa;
-webkit-transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
}
.draw:hover::after {
border-bottom-color: #60daaa;
border-left-color: #60daaa;
-webkit-transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
}
_x000D_
<section class="buttons">
<button class="draw">Draw</button>
</section>
_x000D_
According to the documentation, just like with any css selector, you can specify as many conditions as you want, and they are treated as logical 'OR'.
This example returns a list of all div elements within the document with a class of either "note" or "alert":
var matches = document.querySelectorAll("div.note, div.alert");
source: https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelectorAll
Meanwhile to get the 'AND' functionality you can for example simply use a multiattribute selector, as jquery says:
https://api.jquery.com/multiple-attribute-selector/
ex. "input[id][name$='man']"
specifies both id and name of the element and both conditions must be met. For classes it's as obvious as ".class1.class2
" to require object of 2 classes.
All possible combinations of both are valid, so you can easily get equivalent of more sophisticated 'OR' and 'AND' expressions.
I had a similar error while I was creating a custom modal.
const CustomModal = (visible, modalText, modalHeader) => {}
Problem was that I didn't wrap my values to curly brackets like this.
const CustomModal = ({visible, modalText, modalHeader}) => {}
If you have multiple values to pass to the component, you should use curly brackets around it.
Another way is to edit the .gitconfig
(create one if not exist), for instance:
vim ~/.gitconfig
and then add:
[color]
diff = auto
status = auto
branch = auto
The final
keyword can be interpreted in two different ways depending on what it's used on:
Value types: For int
s, double
s etc, it will ensure that the value cannot change,
Reference types: For references to objects, final
ensures that the reference will never change, meaning that it will always refer to the same object. It makes no guarantees whatsoever about the values inside the object being referred to staying the same.
As such, final List<Whatever> foo;
ensures that foo
always refers to the same list, but the contents of said list may change over time.
Old question but I should warn:
.split('')
You'll get weird results with non-BMP (non-Basic-Multilingual-Plane) character sets.
Reason is that methods like .split()
and .charCodeAt()
only respect the characters with a code point below 65536; bec. higher code points are represented by a pair of (lower valued) "surrogate" pseudo-characters.
''.length // —> 6
''.split('') // —> ["?", "?", "?", "?", "?", "?"]
''.length // —> 2
''.split('') // —> ["?", "?"]
Using the spread operator:
let arr = [...str];
Or Array.from
let arr = Array.from(str);
Or split
with the new u
RegExp flag:
let arr = str.split(/(?!$)/u);
Examples:
[...''] // —> ["", "", ""]
[...''] // —> ["", "", ""]
I came up with this function that internally uses MDN example to get the correct code point of each character.
function stringToArray() {
var i = 0,
arr = [],
codePoint;
while (!isNaN(codePoint = knownCharCodeAt(str, i))) {
arr.push(String.fromCodePoint(codePoint));
i++;
}
return arr;
}
This requires knownCharCodeAt()
function and for some browsers; a String.fromCodePoint()
polyfill.
if (!String.fromCodePoint) {
// ES6 Unicode Shims 0.1 , © 2012 Steven Levithan , MIT License
String.fromCodePoint = function fromCodePoint () {
var chars = [], point, offset, units, i;
for (i = 0; i < arguments.length; ++i) {
point = arguments[i];
offset = point - 0x10000;
units = point > 0xFFFF ? [0xD800 + (offset >> 10), 0xDC00 + (offset & 0x3FF)] : [point];
chars.push(String.fromCharCode.apply(null, units));
}
return chars.join("");
}
}
Examples:
stringToArray('') // —> ["", "", ""]
stringToArray('') // —> ["", "", ""]
Note: str[index]
(ES5) and str.charAt(index)
will also return weird results with non-BMP charsets. e.g. ''.charAt(0)
returns "?"
.
UPDATE: Read this nice article about JS and unicode.
For Compare two date like MM/DD/YYYY to MM/DD/YYYY . Remember First thing column type of Field must be dateTime. Example : columnName : payment_date dataType : DateTime .
after that you can easily compare it. Query is :
select * from demo_date where date >= '3/1/2015' and date <= '3/31/2015'.
It very simple ...... It tested it.....