Tomcat in Eclipse does not use catalina.sh or bat. To setup memory for managed Tomcat use VM settings in server run configuration
At first I thought this was a coercion bug where null
was getting coerced to "null"
and a test of "null" == null
was passing. It's not. I was close, but so very, very wrong. Sorry about that!
I've since done lots of fiddling on wonderfl.net and tracing through the code in mx.rpc.xml.*
. At line 1795 of XMLEncoder
(in the 3.5 source), in setValue
, all of the XMLEncoding boils down to
currentChild.appendChild(xmlSpecialCharsFilter(Object(value)));
which is essentially the same as:
currentChild.appendChild("null");
This code, according to my original fiddle, returns an empty XML element. But why?
According to commenter Justin Mclean on bug report FLEX-33664, the following is the culprit (see last two tests in my fiddle which verify this):
var thisIsNotNull:XML = <root>null</root>;
if(thisIsNotNull == null){
// always branches here, as (thisIsNotNull == null) strangely returns true
// despite the fact that thisIsNotNull is a valid instance of type XML
}
When currentChild.appendChild
is passed the string "null"
, it first converts it to a root XML element with text null
, and then tests that element against the null literal. This is a weak equality test, so either the XML containing null is coerced to the null type, or the null type is coerced to a root xml element containing the string "null", and the test passes where it arguably should fail. One fix might be to always use strict equality tests when checking XML (or anything, really) for "nullness."
CDATA values are the most appropriate way to mutate an entire text value that would otherwise cause encoding/decoding problems. Hex encoding, for instance, is meant for individual characters. CDATA values are preferred when you're escaping the entire text of an element. The biggest reason for this is that it maintains human readability.
If you want to find both the min and max at the same time, the loop can be modified as follows:
int min = int.maxValue;
int max = int.minValue;
foreach num in someArray {
if(num < min)
min = num;
if(num > max)
max = num;
}
This should get achieve O(n) timing.
@eeezyy's answer didn't work for me, although I'm using Spring Boot (2.0.4) and it may differ, but a variation here in 2018 works thus:
@Autowired
private HttpServletRequest request;
Check out this blog. It has a ton of information. Also if installing through brew don´t miss this note:
You may need to link the Java bindings into the Java Extensions folder:
$ sudo mkdir -p /Library/Java/Extensions
$ sudo ln -s /usr/local/lib/libsvnjavahl-1.dylib /Library/Java/Extensions/libsvnjavahl-1.dylib
var formatedDate = DateTime.Now.ToString("yyyy-MM-dd",System.Globalization.CultureInfo.InvariantCulture);
To ensure the user's local settings don't affect it
The key is calling the parent's method using super.methodName();
class A {
// A protected method
protected doStuff()
{
alert("Called from A");
}
// Expose the protected method as a public function
public callDoStuff()
{
this.doStuff();
}
}
class B extends A {
// Override the protected method
protected doStuff()
{
// If we want we can still explicitly call the initial method
super.doStuff();
alert("Called from B");
}
}
var a = new A();
a.callDoStuff(); // Will only alert "Called from A"
var b = new B()
b.callDoStuff(); // Will alert "Called from A" then "Called from B"
As mentioned by others, Heap can do findMin
or findMax
in O(1) but not both in the same data structure. However I disagree that Heap is better in findMin/findMax. In fact, with a slight modification, the BST can do both findMin
and findMax
in O(1).
In this modified BST, you keep track of the the min node and max node everytime you do an operation that can potentially modify the data structure. For example in insert operation you can check if the min value is larger than the newly inserted value, then assign the min value to the newly added node. The same technique can be applied on the max value. Hence, this BST contain these information which you can retrieve them in O(1). (same as binary heap)
In this BST (Balanced BST), when you pop min
or pop max
, the next min value to be assigned is the successor of the min node, whereas the next max value to be assigned is the predecessor of the max node. Thus it perform in O(1). However we need to re-balance the tree, thus it will still run O(log n). (same as binary heap)
I would be interested to hear your thought in the comment below. Thanks :)
Cross reference to similar question Can we use binary search tree to simulate heap operation? for more discussion on simulating Heap using BST.
In case you get this error, it might also be related to how you included the JavaScript file into your html page. When loading modules, you have to explicitly declare those files as such. Here's an example:
//module.js:
function foo(){
return "foo";
}
var bar = "bar";
export { foo, bar };
When you include the script like this:
<script src="module.js"></script>
You will get the error:
Uncaught SyntaxError: Unexpected token export
You need to include the file with a type attribute set to "module":
<script type="module" src="module.js"></script>
then it should work as expected and you are ready to import your module in another module:
import { foo, bar } from "./module.js";
console.log( foo() );
console.log( bar );
Adding on a previous answer, if you prefer using the command line, entering git add -e myfile
gives you the choice to choose line by line what you want to commit because this command will open an editor with the differences, like so:
As you may known lines that start with +
are addtions, lines that start with -
are deletions. So:
-
with space
.This is what git add -h
says about adding files this way (patching files):
added content Added content is represented by lines beginning with "+". You can prevent staging any addition lines by deleting them.
removed content: Removed content is represented by lines beginning with "-". You can prevent staging their removal by converting the "-" to a " " (space).
modified content: Modified content is represented by "-" lines (removing the old content) followed by "+" lines (adding the replacement content). You can prevent staging the modification by converting "-" lines to " ", and removing "+" lines. Beware that modifying only half of the pair is likely to introduce confusing changes to the index.
Caution: do not change the content of the file, this is not a good place to do so. Just change the operators of deleted or added lines.
For easy fix follow these steps:
The ensurepip
module was added in version 3.4 and then backported to 2.7.9.
So make sure your Python version is at least 2.7.9 if using Python 2, and at least 3.4 if using Python 3.
As long as your program die, then without detach or join of the thread, this error will occur. Without detaching and joining the thread, you should give endless loop after creating thread.
int main(){
std::thread t(thread,1);
while(1){}
//t.detach();
return 0;}
It is also interesting that, after sleeping or looping, thread can be detach or join. Also with this way you do not get this error.
Below example also shows that, third thread can not done his job before main die. But this error can not happen also, as long as you detach somewhere in the code. Third thread sleep for 8 seconds but main will die in 5 seconds.
void thread(int n) {std::this_thread::sleep_for (std::chrono::seconds(n));}
int main() {
std::cout << "Start main\n";
std::thread t(thread,1);
std::thread t2(thread,3);
std::thread t3(thread,8);
sleep(5);
t.detach();
t2.detach();
t3.detach();
return 0;}
Try this:
window.open(url, '_blank');
This will open in new tab (if your code is synchronous and in this case it is. in other case it would open a window)
With the following code you can access the parent of the object:
var Users = function(parent) {
this.parent = parent;
};
Users.prototype.guys = function(){
this.parent.nameAndDestroy(['test-name-and-destroy']);
};
Users.prototype.girls = function(){
this.parent.kiss(['test-kiss']);
};
var list = {
users : function() {
return new Users(this);
},
nameAndDestroy : function(group){ console.log(group); },
kiss : function(group){ console.log(group); }
};
list.users().guys(); // should output ["test-name-and-destroy"]
list.users().girls(); // should output ["test-kiss"]
I would recommend you read about javascript Objects to get to know how you can work with Objects, it helped me a lot. I even found out about functions that I didn't even knew they existed.
In my case I forgot to change the database from postgres (on my production) back to sqlite3 which I was using for development.
If TomCat is install. Perhaps it is not installed Java EE. Services-> plug-ins-> additional plug-ins-> in the search dial tomcat. and install the module java ee. then in the services, servers, add the tomcat server.
Run -> Edit configurations -> Select your build configuration -> JRE - change Default to one of actual JDK paths
if you want to use the name "ping.bat", a small trick is to use this code:
@echo off
cd\
ping google.com -t
Just add that "cd\" and you are fine... ;)
Make two static cultures, one for comma and one for point.
var commaCulture = new CultureInfo("en")
{
NumberFormat =
{
NumberDecimalSeparator = ","
}
};
var pointCulture = new CultureInfo("en")
{
NumberFormat =
{
NumberDecimalSeparator = "."
}
};
Then use each one respectively, depending on the input (using a function):
public double ConvertToDouble(string input)
{
input = input.Trim();
if (input == "0") {
return 0;
}
if (input.Contains(",") && input.Split(',').Length == 2)
{
return Convert.ToDouble(input, commaCulture);
}
if (input.Contains(".") && input.Split('.').Length == 2)
{
return Convert.ToDouble(input, pointCulture);
}
throw new Exception("Invalid input!");
}
Then loop through your arrays
var strings = new List<string> {"0,12", "0.122", "1,23", "00,0", "0.00", "12.5000", "0.002", "0,001"};
var doubles = new List<double>();
foreach (var value in strings) {
doubles.Add(ConvertToDouble(value));
}
This should work even though the host environment and culture changes.
You can update the value like following
auto itr = m.find('ch');
if (itr != m.end()){
(*itr).second = 98;
}
The only thing that worked for me was modifying the call to suptitle:
fig.suptitle("title", y=.995)
I assume one uses print_r for debugging. I would then suggest using libraries like Kint. This allows displaying big arrays in a readable format:
$data = [['Natural Child 1', 'Natural Child 2', 'Natural Child 3']];
Kint::dump($data, $_SERVER);
No, you can't with pure redirection.
But with some tricks (like tee.bat) you can.
I try to explain the redirection a bit.
You redirect one of the ten streams with > file or < file
It is unimportant, if the redirection is before or after the command,
so these two lines are nearly the same.
dir > file.txt
> file.txt dir
The redirection in this example is only a shortcut for 1>, this means the stream 1 (STDOUT) will be redirected.
So you can redirect any stream with prepending the number like 2> err.txt and it is also allowed to redirect multiple streams in one line.
dir 1> files.txt 2> err.txt 3> nothing.txt
In this example the "standard output" will go into files.txt, all errors will be in err.txt and the stream3 will go into nothing.txt (DIR doesn't use the stream 3).
Stream0 is STDIN
Stream1 is STDOUT
Stream2 is STDERR
Stream3-9 are not used
But what happens if you try to redirect the same stream multiple times?
dir > files.txt > two.txt
"There can be only one", and it is always the last one!
So it is equal to dir > two.txt
Ok, there is one extra possibility, redirecting a stream to another stream.
dir 1>files.txt 2>&1
2>&1 redirects stream2 to stream1 and 1>files.txt redirects all to files.txt.
The order is important here!
dir ... 1>nul 2>&1
dir ... 2>&1 1>nul
are different. The first one redirects all (STDOUT and STDERR) to NUL,
but the second line redirects the STDOUT to NUL and STDERR to the "empty" STDOUT.
As one conclusion, it is obvious why the examples of Otávio Décio and andynormancx can't work.
command > file >&1
dir > file.txt >&2
Both try to redirect stream1 two times, but "There can be only one", and it's always the last one.
So you get
command 1>&1
dir 1>&2
And in the first sample redirecting of stream1 to stream1 is not allowed (and not very useful).
Hope it helps.
Get fields where a timestamp is greater than date in postgresql:
SELECT * from yourtable
WHERE your_timestamp_field > to_date('05 Dec 2000', 'DD Mon YYYY');
Subtract minutes from timestamp in postgresql:
SELECT * from yourtable
WHERE your_timestamp_field > current_timestamp - interval '5 minutes'
Subtract hours from timestamp in postgresql:
SELECT * from yourtable
WHERE your_timestamp_field > current_timestamp - interval '5 hours'
Stored Procedures are used as scripts. They run a series of commands for you and you can schedule them to run at certain times. Usually runs multiples DML statements like INSERT, UPDATE, DELETE, etc. or even SELECT.
Functions are used as methods. You pass it something and it returns a result. Should be small and fast - does it on the fly. Usually used in a SELECT statement.
The .getTimezoneOffset()
method reports the time-zone offset in minutes, counting "westwards" from the GMT/UTC timezone, resulting in an offset value that is negative to what one is commonly accustomed to. (Example, New York time would be reported to be +240 minutes or +4 hours)
To the get a normal time-zone offset in hours, you need to use:
var timeOffsetInHours = -(new Date()).getTimezoneOffset()/60
Important detail:
Note that daylight savings time is factored into the result - so what this method gives you is really the time offset - not the actual geographic time-zone offset.
Make sure your database myAttribute field contains null instead of zero.
Two things I noticed (they may be mistakes from when you wrote it down though).
$('.navlink').click
)return $(this).data("selected")==true
)From the node.js documentation, "To have a module execute code multiple times, export a function, and call that function", you could use node.js module.export and have a single file to manage the db connections.You can find more at Node.js documentation. Let's say db.js file be like:
const mysql = require('mysql');
var connection;
module.exports = {
dbConnection: function () {
connection = mysql.createConnection({
host: "127.0.0.1",
user: "Your_user",
password: "Your_password",
database: 'Your_bd'
});
connection.connect();
return connection;
}
};
Then, the file where you are going to use the connection could be like useDb.js:
const dbConnection = require('./db');
var connection;
function callDb() {
try {
connection = dbConnectionManager.dbConnection();
connection.query('SELECT 1 + 1 AS solution', function (error, results, fields) {
if (!error) {
let response = "The solution is: " + results[0].solution;
console.log(response);
} else {
console.log(error);
}
});
connection.end();
} catch (err) {
console.log(err);
}
}
I got the error "The table/view 'dbo.vMyView' does not have a primary key defined" after I created a view in SQL server query designer. I solved the problem by using ISNULL on a column to force entity framework to use it as a primary key. You might have to restart visual studio to get the warnings to go away.
CREATE VIEW [dbo].[vMyView]
AS
SELECT ISNULL(Id, -1) AS IdPrimaryKey, Name
FROM dbo.MyTable
Well first of all I think rolling out your own solution for this all you need is urllib2 or httplib2 . Anyways in case you do require a generic REST client check this out .
https://github.com/scastillo/siesta
However i think the feature set of the library will not work for most web services because they shall probably using oauth etc .. . Also I don't like the fact that it is written over httplib which is a pain as compared to httplib2 still should work for you if you don't have to handle a lot of redirections etc ..
From http://docs.python.org/library/csv.html#csv.writer:
If csvfile is a file object, it must be opened with the ‘b’ flag on platforms where that makes a difference.
In other words, when opening the file you pass 'wb' as opposed to 'w'.
You can also use a with
statement to close the file when you're done writing to it.
Tested example below:
from __future__ import with_statement # not necessary in newer versions
import csv
headers=['id', 'year', 'activity', 'lineitem', 'datum']
with open('file3.csv','wb') as fou: # note: 'wb' instead of 'w'
output = csv.DictWriter(fou,delimiter=',',fieldnames=headers)
output.writerow(dict((fn,fn) for fn in headers))
output.writerows(rows)
I demonstrate how to receive a string, for example "-484876800000" and tryparse the string to make sure it can be assigned to a long. I calculate the Date from universaltime and return a string. When you convert a string to a number, you must decide the numeric type and precision and test if the string data can be parse, otherwise, it will throw and error.
function universalToDate
{
param (
$paramValue
)
$retVal=""
if ($paramValue)
{
$epoch=[datetime]'1/1/1970'
[long]$returnedLong = 0
[bool]$result = [long]::TryParse($paramValue,[ref]$returnedLong)
if ($result -eq 1)
{
$val=$returnedLong/1000.0
$retVal=$epoch.AddSeconds($val).ToString("yyyy-MM-dd")
}
}
else
{
$retVal=$null
}
return($retVal)
}
I handle the ajax request by using Selenium and the Firefox web driver. It is not that fast if you need the crawler as a daemon, but much better than any manual solution. I wrote a short tutorial here for reference
Building on top of the Mozdev post that natevw references I've started a small project to render HTML to canvas in Firefox, Chrome & Safari. So for example you can simply do:
rasterizeHTML.drawHTML('<span class="color: green">This is HTML</span>'
+ '<img src="local_img.png"/>', canvas);
Source code and a more extensive example is here.
An overkill approach: in inline css in the div did the trick:
style="margin:0 auto;
margin-left:auto;
margin-right:auto;
align:center;
text-align:center;"
Centers like a charm!
IF EXISTS (SELECT 1 FROM Table WHERE FieldValue='')
BEGIN
SELECT TableID FROM Table WHERE FieldValue=''
END
ELSE
BEGIN
INSERT INTO TABLE(FieldValue) VALUES('')
SELECT SCOPE_IDENTITY() AS TableID
END
See here for more information on IF ELSE
Note: written without a SQL Server install handy to double check this but I think it is correct
Also, I've changed the EXISTS bit to do SELECT 1 rather than SELECT * as you don't care what is returned within an EXISTS, as long as something is I've also changed the SCOPE_IDENTITY() bit to return just the identity assuming that TableID is the identity column
I never use PHP so I completely forgot where apache was installed on my mac as it was running on port 8080 mocking me, installed in a non-standard path. After giving up on the internet, I tried this...
httpd -t -D DUMP_INCLUDES
Because httpd was running it produced the httpd.config path and then the clouds parted and the sun shown brightly on my face. Victory! as within it lies the path to localhost.
ServerRoot "/your/path"
If you have a Decimal or similar numeric type, you can use:
Math.Round(myNumber, 2)
EDIT: So, in your case, it would be:
Public Class Form1
Private Sub btncalc_Click(ByVal sender As System.Object,
ByVal e As System.EventArgs) Handles btncalc.Click
txtA.Text = Math.Round((Val(txtD.Text) / Val(txtC.Text) * Val(txtF.Text) / Val(txtE.Text)), 2)
txtB.Text = Math.Round((Val(txtA.Text) * 1000 / Val(txtG.Text)), 2)
End Sub
End Class
this method also encounter a deprecate warning:
org.junit.Assert.assertEquals(float expected,float actual) //deprecated
It is because currently junit prefer a third parameter rather than just two float variables input.
The third parameter is delta:
public static void assertEquals(double expected,double actual,double delta) //replacement
this is mostly used to deal with inaccurate Floating point calculations
for more information, please refer this problem: Meaning of epsilon argument of assertEquals for double values
Note that cp A B; rm A
is exactly mv A B
. It'll be faster too, as you don't have to actually copy the bytes (assuming the destination is on the same filesystem), just rename the file. So you want cp A B; mv A C
You can get the Silverlight Chart Controls running on WPF, they're quite nice (and free).
There is no need to know where the files are, because when you launch a bat file the working directory is the directory where it was launched (the "master folder"), so if you have this structure:
.\mydocuments\folder\mybat.bat
.\mydocuments\folder\subfolder\file.txt
And the user starts the "mybat.bat", the working directory is ".\mydocuments\folder", so you only need to write the subfolder name in your script:
@Echo OFF
REM Do anything with ".\Subfolder\File1.txt"
PUSHD ".\Subfolder"
Type "File1.txt"
Pause&Exit
Anyway, the working directory is stored in the "%CD%" variable, and the directory where the bat was launched is stored on the argument 0. Then if you want to know the working directory on any computer you can do:
@Echo OFF
Echo Launch dir: "%~dp0"
Echo Current dir: "%CD%"
Pause&Exit
Use encodeURI()
in client JS and use URLDecoder.decode()
in server Java side works.
Example:
Javascript:
$.getJSON(
url,
{
"user": encodeURI(JSON.stringify(user))
},
onSuccess
);
Java:
java.net.URLDecoder.decode(params.user, "UTF-8");
From the YouTube help:
You will automatically be opted into showing ads on embedded videos if you've associated your YouTube and AdSense accounts and have enabled your videos for embedding.
If you don't want to show overlay ads on your embedded videos, you can opt your videos out of showing overlay ads, though this will also disable overlay ads on your videos on YouTube.com. You may also disable your videos for embedding.
https://support.google.com/youtube/answer/132596?hl=en
Another technical solution could be to use a custom video player, and streamline the youtube video with that one. Have not tried but guess that the ads cannot be displayed in a custom player. However, could be forbidden.
Change Minute to be 0
. That's it :)
Note: you can check your "crons" in http://cronchecker.net/
Just pointing out that it is use of parentheses that invokes auto-concatenation. That's fine if you happen to already be using them in the statement. Otherwise, I would just use '\' rather than inserting parentheses (which is what most IDEs do for you automatically). The indent should align the string continuation so it is PEP8 compliant. E.g.:
my_string = "The quick brown dog " \
"jumped over the lazy fox"
If you are uploading your files through GIT from your local machine then you can use the same command you are using in your local machine while you are connected to your live server using BASH or something like.You can use this as like you use locally.
php artisan cache:clear
php artisan route:cache
It should work.
If you want to add a photo rotate button that'll keep rotating the photo in 90 degree increments, here you go. (finalImage
is a UIImage that's already been created elsewhere.)
- (void)rotatePhoto {
UIImage *rotatedImage;
if (finalImage.imageOrientation == UIImageOrientationRight)
rotatedImage = [[UIImage alloc] initWithCGImage: finalImage.CGImage
scale: 1.0
orientation: UIImageOrientationDown];
else if (finalImage.imageOrientation == UIImageOrientationDown)
rotatedImage = [[UIImage alloc] initWithCGImage: finalImage.CGImage
scale: 1.0
orientation: UIImageOrientationLeft];
else if (finalImage.imageOrientation == UIImageOrientationLeft)
rotatedImage = [[UIImage alloc] initWithCGImage: finalImage.CGImage
scale: 1.0
orientation: UIImageOrientationUp];
else
rotatedImage = [[UIImage alloc] initWithCGImage: finalImage.CGImage
scale: 1.0
orientation: UIImageOrientationRight];
finalImage = rotatedImage;
}
A Daemon is just program that runs as a background process, rather than being under the direct control of an interactive user...
[The below bash code is for Debian systems - Ubuntu, Linux Mint distros and so on]
The simple way:
The simple way would be to edit your /etc/rc.local file and then just have your script run from there (i.e. everytime you boot up the system):
sudo nano /etc/rc.local
Add the following and save:
#For a BASH script
/bin/sh TheNameOfYourScript.sh > /dev/null &
The better way to do this would be to create a Daemon via Upstart:
sudo nano /etc/init/TheNameOfYourDaemon.conf
add the following:
description "My Daemon Job"
author "Your Name"
start on runlevel [2345]
pre-start script
echo "[`date`] My Daemon Starting" >> /var/log/TheNameOfYourDaemonJobLog.log
end script
exec /bin/sh TheNameOfYourScript.sh > /dev/null &
Save this.
Confirm that it looks ok:
init-checkconf /etc/init/TheNameOfYourDaemon.conf
Now reboot the machine:
sudo reboot
Now when you boot up your system, you can see the log file stating that your Daemon is running:
cat /var/log/TheNameOfYourDaemonJobLog.log
• Now you may start/stop/restart/get the status of your Daemon via:
restart: this will stop, then start a service
sudo service TheNameOfYourDaemonrestart restart
start: this will start a service, if it's not running
sudo service TheNameOfYourDaemonstart start
stop: this will stop a service, if it's running
sudo service TheNameOfYourDaemonstop stop
status: this will display the status of a service
sudo service TheNameOfYourDaemonstatus status
Here is what works for me on Swift 3
let _ = (dict[key].map { $0 as? String } ?? "")
txtUsuario.Attributes.Add("placeholder", "Texto");
Put the select statement in a dynamic PL/SQL block.
CREATE OR REPLACE FUNCTION get_num_of_employees (p_loc VARCHAR2, p_job VARCHAR2)
RETURN NUMBER
IS
v_query_str VARCHAR2(1000);
v_num_of_employees NUMBER;
BEGIN
v_query_str := 'begin SELECT COUNT(*) INTO :into_bind FROM emp_'
|| p_loc
|| ' WHERE job = :bind_job; end;';
EXECUTE IMMEDIATE v_query_str
USING out v_num_of_employees, p_job;
RETURN v_num_of_employees;
END;
/
A simple modification of the accepted answer that returns a new list instead of working in-place, and accepts the more general IEnumerable<T>
as many other Linq methods do.
private static Random rng = new Random();
/// <summary>
/// Returns a new list where the elements are randomly shuffled.
/// Based on the Fisher-Yates shuffle, which has O(n) complexity.
/// </summary>
public static IEnumerable<T> Shuffle<T>(this IEnumerable<T> list) {
var source = list.ToList();
int n = source.Count;
var shuffled = new List<T>(n);
shuffled.AddRange(source);
while (n > 1) {
n--;
int k = rng.Next(n + 1);
T value = shuffled[k];
shuffled[k] = shuffled[n];
shuffled[n] = value;
}
return shuffled;
}
Instead of
mount -o rw,remount /system/
use
mount -o rw,remount /system
mind the '/' at the end of the command. you ask why this matters? /system/ is the directory under /system while /system is the volume name.
Syntax:
void sleep(unsigned seconds);
sleep() suspends execution for an interval (seconds). With a call to sleep, the current program is suspended from execution for the number of seconds specified by the argument seconds. The interval is accurate only to the nearest hundredth of a second or to the accuracy of the operating system clock, whichever is less accurate.
This example should make it clear:
#include <dos.h>
#include <stdio.h>
#include <conio.h>
int main()
{
printf("Message 1\n");
sleep(2); //Parameter in sleep is in seconds
printf("Message 2 a two seconds after Message 1");
return 0;
}
Remember you have to #include dos.h
EDIT:
You could also use winAPI.
VOID WINAPI Sleep(
DWORD dwMilliseconds
);
Just a note,the parameter in the function provided by winapi is in milliseconds ,so the sleep line at the code snippet above would look like this "Sleep(2000);"
Maybe use std::fill_n()
?
char* c = new char[length];
std::fill_n(c,length,0);
There is a list option in Data validation. If this is combined with a VLOOKUP formula you would be able to convert the selected value into a number.
The steps in Excel 2010 are:
In a cell enter a formula like this
=VLOOKUP(A2,$D$3:$E$5,2,FALSE)
which will return the matching value from the second part of your list.
Alternatively, Form controls can be placed on a worksheet. They can be linked to a range and return the position number of the selected value to a specific cell.
The steps in Excel 2010 are:
The Pixastic library does exactly what you want. However, it will only work on browsers that have canvas support. For those older browsers, you'll either need to:
Of course, option #2 isn't very user-friendly. However, if your intent is to provide a pure client-only tool and/or you can't support a fallback back-end cropper (e.g. maybe you're writing a browser extension or offline Chrome app, or maybe you can't afford a decent hosting provider that provides image manipulation libraries), then it's probably fair to limit your user base to modern browsers.
EDIT: If you don't want to learn Pixastic, I have added a very simple cropper on jsFiddle here. It should be possible to modify and integrate and use the drawCroppedImage
function with Jcrop.
#!/usr/bin/env python
#-*- coding: utf-8 -*-
u = u'moçambique'
print u.encode("utf-8")
print u
chmod +x test.py
./test.py
moçambique
moçambique
./test.py > output.txt
Traceback (most recent call last):
File "./test.py", line 5, in <module>
print u
UnicodeEncodeError: 'ascii' codec can't encode character
u'\xe7' in position 2: ordinal not in range(128)
on shell works , sending to sdtout not , so that is one workaround, to write to stdout .
I made other approach, which is not run if sys.stdout.encoding is not define, or in others words , need export PYTHONIOENCODING=UTF-8 first to write to stdout.
import sys
if (sys.stdout.encoding is None):
print >> sys.stderr, "please set python env PYTHONIOENCODING=UTF-8, example: export PYTHONIOENCODING=UTF-8, when write to stdout."
exit(1)
so, using same example:
export PYTHONIOENCODING=UTF-8
./test.py > output.txt
will work
$ string="test"
$ string="${string}test2"
$ echo $string
testtest2
The best way to accomplish this is by simply adding "href" to the link button like below.
<asp:LinkButton runat="server" id="SomeLinkButton" href="url" CssClass="btn btn-primary btn-sm">Button Text</asp:LinkButton>
Using javascript, or doing this programmatically in the page_load, will work as well but is not the best way to go about doing this.
You will get this result:
<a id="MainContent_ctl00_SomeLinkButton" class="btn btn-primary btn-sm" href="url" href="javascript:__doPostBack('ctl00$MainContent$ctl00$lSomeLinkButton','')">Button Text</a>
You can also get the same results by using using a regular
<a href="" class=""></a>
.
In .NET4.5
, MVC 5
no need for widgets.
Javascript:
object in JS:
mechanism that does post.
$('.button-green-large').click(function() {
$.ajax({
url: 'Quote',
type: "POST",
dataType: "json",
data: JSON.stringify(document.selectedProduct),
contentType: 'application/json; charset=utf-8',
});
});
C#
Objects:
public class WillsQuoteViewModel
{
public string Product { get; set; }
public List<ClaimedFee> ClaimedFees { get; set; }
}
public partial class ClaimedFee //Generated by EF6
{
public long Id { get; set; }
public long JourneyId { get; set; }
public string Title { get; set; }
public decimal Net { get; set; }
public decimal Vat { get; set; }
public string Type { get; set; }
public virtual Journey Journey { get; set; }
}
Controller:
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Quote(WillsQuoteViewModel data)
{
....
}
Object received:
Hope this saves you some time.
"resizeMode"
isn't style property. Should move to Image component's Props
like below code.
const win = Dimensions.get('window');
const styles = StyleSheet.create({
image: {
flex: 1,
alignSelf: 'stretch',
width: win.width,
height: win.height,
}
});
...
<Image
style={styles.image}
resizeMode={'contain'} /* <= changed */
source={require('../../../images/collection-imag2.png')} />
...
Image's height won't become automatically because Image component is required both width and height in style props
. So you can calculate by using getSize() method for remote images like this answer and you can also calculate image ratio for static images like this answer.
There are a lot of useful open source libraries -
shopList = []
maxLengthList = 6
while len(shopList) < maxLengthList:
item = input("Enter your Item to the List: ")
shopList.append(item)
print shopList
print "That's your Shopping List"
print shopList
if you have table and fields on database you can simply use this command :
php artisan db:seed --class=UsersTableSeeder --database=YOURDATABSE
There are two cases in which you might want to clear a list:
old_list
further in your code;In case 1 you just go on with the assigment:
old_list = [] # or whatever you want it to be equal to
In case 2 the del
statement would reduce the reference count to the list object the name old list
points at. If the list object is only pointed by the name old_list
at, the reference count would be 0, and the object would be freed for garbage collection.
del old_list
In my case, The syntax was correct, yet I had that error when a class calls a second class within the same DLL. the CPP file of the second class had the wrong Properties->Item Type
inside visual studio, in my case it was set to C/C++ Header
instead of the correct one C/C++ compiler
so the compiler didn't compile the CPP file while building it and cause the Error LNK2019
here's an example, Assuming the syntax is correct you should get the error by changing the item type in properties
//class A header file
class ClassB; // FORWARD DECLERATION
class ClassA
{
public:
ClassB* bObj;
ClassA(HINSTANCE hDLL) ;
// member functions
}
--------------------------------
//class A cpp file
ClassA::ClassA(HINSTANCE hDLL)
{
bObj = new ClassB();// LNK2019 occures here
bObj ->somefunction();// LNK2019 occures here
}
/*************************/
//classB Header file
struct mystruct{}
class ClassB{
public:
ClassB();
mystruct somefunction();
}
------------------------------
//classB cpp file
/* This is the file with the wrong property item type in visual studio --C/C++ Header-*/
ClassB::somefunction(){}
ClassB::ClassB(){}
When you read()
the file, you may get a newline character '\n'
in your string. Try either
if UserInput.strip() == 'List contents':
or
if 'List contents' in UserInput:
Also note that your second file open
could also use with
:
with open('/Users/.../USER_INPUT.txt', 'w+') as UserInputFile: if UserInput.strip() == 'List contents': # or if s in f: UserInputFile.write("ls") else: print "Didn't work"
First you need to get the current date
var currentDate = new Date();
Then you need to place it in the arguments of datepicker like given below
$("#datepicker").datepicker("setDate", currentDate);
Check the following jsfiddle.
Add this to an htaccess file (and see edit notes added below):
<IfModule mod_php5.c>
php_value post_max_size 200M
php_value upload_max_filesize 200M
php_value memory_limit 300M
php_value max_execution_time 259200
php_value max_input_time 259200
php_value session.gc_maxlifetime 1200
</IfModule>
Additional resources and information:
2021 EDIT:
As PHP and Apache evolve and grow, I think it is important for me to take a moment to mention a few things to consider and possible "gotchas" to consider:
<IfModule
is loaded.mod_php5.c
in the first line. If you are using PHP 7, you would replace that with mod_php7.c
.php.ini
config file(s). This method is usually only useful in the event your hosting provider does not give you access to change those files. In circumstances where you can edit the PHP configuration, it is recommended that you apply these settings there.You can use dict.pop
:
mydict.pop("key", None)
Note that if the second argument, i.e. None
is not given, KeyError
is raised if the key is not in the dictionary. Providing the second argument prevents the conditional exception.
Join on one-to-many relation in JPQL looks as follows:
select b.fname, b.lname from Users b JOIN b.groups c where c.groupName = :groupName
When several properties are specified in select
clause, result is returned as Object[]
:
Object[] temp = (Object[]) em.createNamedQuery("...")
.setParameter("groupName", groupName)
.getSingleResult();
String fname = (String) temp[0];
String lname = (String) temp[1];
By the way, why your entities are named in plural form, it's confusing. If you want to have table names in plural, you may use @Table
to specify the table name for the entity explicitly, so it doesn't interfere with reserved words:
@Entity @Table(name = "Users")
public class User implements Serializable { ... }
I'm thinking something like, just give an idea, to convert the column to string, and work with string is easier. however this does not work with strings containing numbers, like bad123
. and ~
is taking the complement of selection.
df['a'] = df['a'].astype(str)
df[~df['a'].str.contains('0|1|2|3|4|5|6|7|8|9')]
df['a'] = df['a'].astype(object)
and using '|'.join([str(i) for i in range(10)])
to generate '0|1|...|8|9'
or using np.isreal()
function, just like the most voted answer
df[~df['a'].apply(lambda x: np.isreal(x))]
Although they are rendered by browsers through CSS as if they were like other real DOM elements, pseudo-elements themselves are not part of the DOM, because pseudo-elements, as the name implies, are not real elements, and therefore you can't select and manipulate them directly with jQuery (or any JavaScript APIs for that matter, not even the Selectors API). This applies to any pseudo-elements whose styles you're trying to modify with a script, and not just ::before
and ::after
.
You can only access pseudo-element styles directly at runtime via the CSSOM (think window.getComputedStyle()
), which is not exposed by jQuery beyond .css()
, a method that doesn't support pseudo-elements either.
You can always find other ways around it, though, for example:
Applying the styles to the pseudo-elements of one or more arbitrary classes, then toggling between classes (see seucolega's answer for a quick example) — this is the idiomatic way as it makes use of simple selectors (which pseudo-elements are not) to distinguish between elements and element states, the way they're intended to be used
Manipulating the styles being applied to said pseudo-elements, by altering the document stylesheet, which is much more of a hack
var pause_menu = {
pause_button : { someProperty : "prop1", someOther : "prop2" },
resume_button : { resumeProp : "prop", resumeProp2 : false },
quit_button : false
};
then:
pause_menu.pause_button.someProperty //evaluates to "prop1"
etc etc.
I got the same question here. If the document is huge, it is not a good idea to use XmlDocument. The fact is that the first element is the root element, based on which XmlReader can be used to get the root element. Using XmlReader will be much more efficient than using XmlDocument as it doesn't require load the whole document into memory.
using (XmlReader reader = XmlReader.Create(<your_xml_file>)) {
while (reader.Read()) {
// first element is the root element
if (reader.NodeType == XmlNodeType.Element) {
System.Console.WriteLine(reader.Name);
break;
}
}
}
Using the each syntax will prevent the entire set of keys from being generated at once. This can be important if you're using a tie-ed hash to a database with millions of rows. You don't want to generate the entire list of keys all at once and exhaust your physical memory. In this case each serves as an iterator whereas keys actually generates the entire array before the loop starts.
So, the only place "each" is of real use is when the hash is very large (compared to the memory available). That is only likely to happen when the hash itself doesn't live in memory itself unless you're programming a handheld data collection device or something with small memory.
If memory is not an issue, usually the map or keys paradigm is the more prevelant and easier to read paradigm.
shoud be @drawable/image where image could have any extension like: image.png, image.xml, image.gif. Android will automatically create a reference in R class with its name, so you cannot have in any drawable folder image.png and image.gif.
A bit involved. Easiest would be to refer to this SQL Fiddle I created for you that produces the exact result. There are ways you can improve it for performance or other considerations, but this should hopefully at least be clearer than some alternatives.
The gist is, you get a canonical ranking of your data first, then use that to segment the data into groups, then find an end date for each group, then eliminate any intermediate rows. ROW_NUMBER() and CROSS APPLY help a lot in doing it readably.
EDIT 2019:
The SQL Fiddle does in fact seem to be broken, for some reason, but it appears to be a problem on the SQL Fiddle site. Here's a complete version, tested just now on SQL Server 2016:
CREATE TABLE Source
(
EmployeeID int,
DateStarted date,
DepartmentID int
)
INSERT INTO Source
VALUES
(10001,'2013-01-01',001),
(10001,'2013-09-09',001),
(10001,'2013-12-01',002),
(10001,'2014-05-01',002),
(10001,'2014-10-01',001),
(10001,'2014-12-01',001)
SELECT *,
ROW_NUMBER() OVER (PARTITION BY EmployeeID ORDER BY DateStarted) AS EntryRank,
newid() as GroupKey,
CAST(NULL AS date) AS EndDate
INTO #RankedData
FROM Source
;
UPDATE #RankedData
SET GroupKey = beginDate.GroupKey
FROM #RankedData sup
CROSS APPLY
(
SELECT TOP 1 GroupKey
FROM #RankedData sub
WHERE sub.EmployeeID = sup.EmployeeID AND
sub.DepartmentID = sup.DepartmentID AND
NOT EXISTS
(
SELECT *
FROM #RankedData bot
WHERE bot.EmployeeID = sup.EmployeeID AND
bot.EntryRank BETWEEN sub.EntryRank AND sup.EntryRank AND
bot.DepartmentID <> sup.DepartmentID
)
ORDER BY DateStarted ASC
) beginDate (GroupKey);
UPDATE #RankedData
SET EndDate = nextGroup.DateStarted
FROM #RankedData sup
CROSS APPLY
(
SELECT TOP 1 DateStarted
FROM #RankedData sub
WHERE sub.EmployeeID = sup.EmployeeID AND
sub.DepartmentID <> sup.DepartmentID AND
sub.EntryRank > sup.EntryRank
ORDER BY EntryRank ASC
) nextGroup (DateStarted);
SELECT * FROM
(
SELECT *, ROW_NUMBER() OVER (PARTITION BY GroupKey ORDER BY EntryRank ASC) AS GroupRank FROM #RankedData
) FinalRanking
WHERE GroupRank = 1
ORDER BY EntryRank;
DROP TABLE #RankedData
DROP TABLE Source
You can use:
set content=
for /f "delims=" %%i in ('type text.txt') do set content=!content! %%i
In order to keep track of dependency issues, I like to use the conda installer, which simply boils down to:
conda install openpyxl
I prefer RENAME rather than DELETE
All my branches are named in the form of
Fix/fix-<somedescription>
or Ftr/ftr-<somedescription>
or Using Tower as my git front end, it neatly organizes all the Ftr/
, Fix/
, Test/
etc. into folders.
Once I am done with a branch, I rename them to Done/...-<description>
.
That way they are still there (which can be handy to provide history) and I can always go back knowing what it was (feature, fix, test, etc.)
ECUs (EC2 Computer Units) are a rough measure of processor performance that was introduced by Amazon to let you compare their EC2 instances ("servers").
CPU performance is of course a multi-dimensional measure, so putting a single number on it (like "5 ECU") can only be a rough approximation. If you want to know more exactly how well a processor performs for a task you have in mind, you should choose a benchmark that is similar to your task.
In early 2014, there was a nice benchmarking site comparing cloud hosting offers by tens of different benchmarks, over at CloudHarmony benchmarks. However, this seems gone now (and archive.org can't help as it was a web application). Only an introductory blog post is still available.
Also useful: ec2instances.info, which at least aggregates the ECU information of different EC2 instances for comparison. (Add column "Compute Units (ECU)" to make it work.)
Thank you very much for the replies!
Saggi Malachi, that query unfortunately sums the invoice amount in cases where there is more than one payment. Say there are two payments to a $39 invoice of $18 and $12. So rather than ending up with a result that looks like:
1 39.00 9.00
You'll end up with:
1 78.00 48.00
Charles Bretana, in the course of trimming my query down to the simplest possible query I (stupidly) omitted an additional table, customerinvoices, which provides a link between customers and invoices. This can be used to see invoices for which payments haven't made.
After much struggling, I think that the following query returns what I need it to:
SELECT DISTINCT i.invoiceid, i.amount, ISNULL(i.amount - p.amount, i.amount) AS amountdue
FROM invoices i
LEFT JOIN invoicepayments ip ON i.invoiceid = ip.invoiceid
LEFT JOIN customerinvoices ci ON i.invoiceid = ci.invoiceid
LEFT JOIN (
SELECT invoiceid, SUM(p.amount) amount
FROM invoicepayments ip
LEFT JOIN payments p ON ip.paymentid = p.paymentid
GROUP BY ip.invoiceid
) p
ON p.invoiceid = ip.invoiceid
LEFT JOIN payments p2 ON ip.paymentid = p2.paymentid
LEFT JOIN customers c ON ci.customerid = c.customerid
WHERE c.customernumber='100'
Would you guys concur?
Emulation may seem daunting but is actually quite easier than simulating.
Any processor typically has a well-written specification that describes states, interactions, etc.
If you did not care about performance at all, then you could easily emulate most older processors using very elegant object oriented programs. For example, an X86 processor would need something to maintain the state of registers (easy), something to maintain the state of memory (easy), and something that would take each incoming command and apply it to the current state of the machine. If you really wanted accuracy, you would also emulate memory translations, caching, etc., but that is doable.
In fact, many microchip and CPU manufacturers test programs against an emulator of the chip and then against the chip itself, which helps them find out if there are issues in the specifications of the chip, or in the actual implementation of the chip in hardware. For example, it is possible to write a chip specification that would result in deadlocks, and when a deadline occurs in the hardware it's important to see if it could be reproduced in the specification since that indicates a greater problem than something in the chip implementation.
Of course, emulators for video games usually care about performance so they don't use naive implementations, and they also include code that interfaces with the host system's OS, for example to use drawing and sound.
Considering the very slow performance of old video games (NES/SNES, etc.), emulation is quite easy on modern systems. In fact, it's even more amazing that you could just download a set of every SNES game ever or any Atari 2600 game ever, considering that when these systems were popular having free access to every cartridge would have been a dream come true.
vi /usr/local/etc/redis.conf
Look for dir, logfile
# The working directory.
#
# The DB will be written inside this directory, with the filename specified
# above using the 'dbfilename' configuration directive.
#
# The Append Only File will also be created inside this directory.
#
# Note that you must specify a directory here, not a file name.
dir /usr/local/var/db/redis/
# Specify the log file name. Also the empty string can be used to force
# Redis to log on the standard output. Note that if you use standard
# output for logging but daemonize, logs will be sent to /dev/null
logfile "redis_log"
So the log file is created at /usr/local/var/db/redis/redis_log
with the name redis_log
You can also try MONITOR
command from redis-cli
to review the number of commands executed.
You can see that your locks are pretty much working as you are using them, if you slow down the process and make them block a bit more. You had the right idea, where you surround critical pieces of code with the lock. Here is a small adjustment to your example to show you how each waits on the other to release the lock.
import threading
import time
import inspect
class Thread(threading.Thread):
def __init__(self, t, *args):
threading.Thread.__init__(self, target=t, args=args)
self.start()
count = 0
lock = threading.Lock()
def incre():
global count
caller = inspect.getouterframes(inspect.currentframe())[1][3]
print "Inside %s()" % caller
print "Acquiring lock"
with lock:
print "Lock Acquired"
count += 1
time.sleep(2)
def bye():
while count < 5:
incre()
def hello_there():
while count < 5:
incre()
def main():
hello = Thread(hello_there)
goodbye = Thread(bye)
if __name__ == '__main__':
main()
Sample output:
...
Inside hello_there()
Acquiring lock
Lock Acquired
Inside bye()
Acquiring lock
Lock Acquired
...
Maybe these examples will help illustrate what in
does. It basically translate to Is this item in this other item?
listOfNums = [ 1, 2, 3, 4, 5, 6, 45, 'j' ]
>>> 3 in listOfNums:
>>> True
>>> 'j' in listOfNums:
>>> True
>>> 66 in listOfNums:
>>> False
I solved this issue by doing the following:
When using ECMAScript 6 modules from the browser, use the .js extension in your files and in the script tag add type = "module"
.
When using ECMAScript 6 modules from a Node.js environment, use the extension .mjs
in your files and use this command to run the file:
node --experimental-modules filename.mjs
You can set a property on the form to do this for you if you have a button on the form that closes the form already.
Set the CancelButton
property of the form to that button.
Gets or sets the button control that is clicked when the user presses the Esc key.
If you don't have a cancel button then you'll need to add a KeyDown
handler and check for the Esc key in that:
private void Form_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
this.Close();
}
}
You will also have to set the KeyPreview
property to true.
Gets or sets a value indicating whether the form will receive key events before the event is passed to the control that has focus.
However, as Gargo points out in his answer this will mean that pressing Esc to abort an edit on a control in the dialog will also have the effect of closing the dialog. To avoid that override the ProcessDialogKey
method as follows:
protected override bool ProcessDialogKey(Keys keyData)
{
if (Form.ModifierKeys == Keys.None && keyData == Keys.Escape)
{
this.Close();
return true;
}
return base.ProcessDialogKey(keyData);
}
Make sure you pass a proxy attribute in your command forexample - pip install --proxy=http://proxyhost:proxyport pixiedust
Use a proxy port which has direct connection (with / without password). Speak with your corporate IT administrator. Quick way is find out network settings used in eclipse which will have direct connection.
You will encouter this issue often if you work behind a corporate firewall. You will have to check your internet explorer - InternetOptions -LAN Connection - Settings
Uncheck - Use automatic configuration script Check - Use a proxy server for your LAN. Ensure you have given the right address and port.
Click Ok Come back to anaconda terminal and you can try install commands
In my case I changed:
return <variable>
with:
return str(<variable>)
try with the following and it must work:
str(round((a/b)*0.9*c))
If you are creating the SVG programmatically you can simplify it and do something like this:
<g>
<rect x={x} y={y} width={width} height={height} />
<text
x={x + width / 2}
y={y + height / 2}
dominant-baseline="middle"
text-anchor="middle"
>
{label}
</text>
</g>
I had a similar issue, but it was related to Hibernate's bi-directional relationships. I wanted to show one side of the relationship and programmatically ignore the other, depending on what view I was dealing with. If you can't do that, you end up with nasty StackOverflowException
s. For instance, if I had these objects
public class A{
Long id;
String name;
List<B> children;
}
public class B{
Long id;
A parent;
}
I would want to programmatically ignore the parent
field in B if I were looking at A, and ignore the children
field in A if I were looking at B.
I started off using mixins to do this, but that very quickly becomes horrible; you have so many useless classes laying around that exist solely to format data. I ended up writing my own serializer to handle this in a cleaner way: https://github.com/monitorjbl/json-view.
It allows you programmatically specify what fields to ignore:
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(JsonView.class, new JsonViewSerializer());
mapper.registerModule(module);
List<A> list = getListOfA();
String json = mapper.writeValueAsString(JsonView.with(list)
.onClass(B.class, match()
.exclude("parent")));
It also lets you easily specify very simplified views through wildcard matchers:
String json = mapper.writeValueAsString(JsonView.with(list)
.onClass(A.class, match()
.exclude("*")
.include("id", "name")));
In my original case, the need for simple views like this was to show the bare minimum about the parent/child, but it also became useful for our role-based security. Less privileged views of objects needed to return less information about the object.
All of this comes from the serializer, but I was using Spring MVC in my app. To get it to properly handle these cases, I wrote an integration that you can drop in to existing Spring controller classes:
@Controller
public class JsonController {
private JsonResult json = JsonResult.instance();
@Autowired
private TestObjectService service;
@RequestMapping(method = RequestMethod.GET, value = "/bean")
@ResponseBody
public List<TestObject> getTestObject() {
List<TestObject> list = service.list();
return json.use(JsonView.with(list)
.onClass(TestObject.class, Match.match()
.exclude("int1")
.include("ignoredDirect")))
.returnValue();
}
}
Both are available on Maven Central. I hope it helps someone else out there, this is a particularly ugly problem with Jackson that didn't have a good solution for my case.
I had this issue while using Python installed with sudo make altinstall
on Opensuse linux. It seems that the compiled libraries are installed in /usr/local/lib64
but Python is looking for them in /usr/local/lib
.
I solved it by creating a dynamic link to the relevant directory in /usr/local/lib
sudo ln -s /usr/local/lib64/python3.8/lib-dynload/ /usr/local/lib/python3.8/lib-dynload
I suspect the better thing to do would be to specify libdir
as an argument to configure
(at the start of the build process) but I haven't tested it that way.
You can definitely use the section tag as a container. It is there to group content in a more semantically significant way than with a div or as the html5 spec says:
The section element represents a generic section of a document or application. A section, in this context, is a thematic grouping of content, typically with a heading. http://www.w3.org/TR/html5/sections.html#the-section-element
I would suggest Jquery:
$("#log").html("Type what you want to be shown to the user");
If you are using Backbone and React, I'd recommend one of the following,
They both help integrate Backbone models and collections with React views. You can use Backbone events just like you do with Backbone views. I've dabbled in both and didn't see much of a difference except one is a mixin and the other changes React.createClass
to React.createBackboneClass
.
This question has been already answered in Unicode characters in Windows command line - how?
You missed one step -> you need to use Lucida console fonts in addition to executing chcp 65001 from cmd console.
An old question but I recently needed to do an AS3>JS port, and for the sake of speed I wrote a simple AS3-style Dictionary object for JS:
http://jsfiddle.net/MickMalone1983/VEpFf/2/
If you didn't know, the AS3 dictionary allows you to use any object as the key, as opposed to just strings. They come in very handy once you've found a use for them.
It's not as fast as a native object would be, but I've not found any significant problems with it in that respect.
API:
//Constructor
var dict = new Dict(overwrite:Boolean);
//If overwrite, allows over-writing of duplicate keys,
//otherwise, will not add duplicate keys to dictionary.
dict.put(key, value);//Add a pair
dict.get(key);//Get value from key
dict.remove(key);//Remove pair by key
dict.clearAll(value);//Remove all pairs with this value
dict.iterate(function(key, value){//Send all pairs as arguments to this function:
console.log(key+' is key for '+value);
});
dict.get(key);//Get value from key
You can use TRUNC on DateTime to remove Time part of the DateTime. So your where clause can be:
AND TRUNC(p1.PA_VALUE) >= TO_DATE('25/10/2012', 'DD/MM/YYYY')
The TRUNCATE (datetime) function returns date with the time portion of the day truncated to the unit specified by the format model.
Use the str_contains
function.
if (str_contains($str, "."))
{
echo 'Found it';
}
else
{
echo 'Not found.';
}
if (strpos($str, '.') !== FALSE)
{
echo 'Found it';
}
else
{
echo 'Not found.';
}
Note that you need to use the !==
operator. If you use !=
or <>
and the '.'
is found at position 0
, the comparison will evaluate to true because 0
is loosely equal to false
.
I fixed in the below way with typescript
pageNumbers: number[] = [];
than populate it
for (let i = 1; i < 201; i++) {
this.pageNumbers.push(i);
}
Simply delete and created gear avd again.It will work.
In my case this code did'n work until I move apply plugin: 'kotlin-android'
from bottom to top.
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
android {
...
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = "1.8"
}
}
A slightly lighter task that doesn't unnecessarily copy files to a dir:
task downloadDependencies(type: Exec) {
configurations.testRuntime.files
commandLine 'echo', 'Downloaded all dependencies'
}
Updated for kotlin & gradle 6.2.0, with buildscript dependency resolution added:
fun Configuration.isDeprecated() = this is DeprecatableConfiguration && resolutionAlternatives != null
fun ConfigurationContainer.resolveAll() = this
.filter { it.isCanBeResolved && !it.isDeprecated() }
.forEach { it.resolve() }
tasks.register("downloadDependencies") {
doLast {
configurations.resolveAll()
buildscript.configurations.resolveAll()
}
}
I believe my answer covers your new concerns about handling any type of line endings since both "\r\n"
and "\r"
are converted to Linux standard "\n"
before parsing the lines.
To support the "\r"
EOL character along with the regular "\n"
, and "\r\n"
from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
Check the following: https://www.visualstudio.com/vs/compare/ Visual studio community is free version for students and other academics, individual developers, open-source projects, and small non-enterprise teams (see "Usage" section at bottom of linked page). While VSUltimate is for companies. You also get more things with paid versions!
You should put your processing into the class constructor or an OnInit
hook method.
To select an odd id from a table:
select * from Table_Name where id%2=1;
To select an even id from a table:
select * from Table_Name where id%2=0;
You asked where do you see loaded extensions in phpinfo() output.
Answer:
They are listed towards the bottom as separate sections/tables and ONLY if they are loaded. Here is an example of extension Curl loaded.
I installed it on Linux Debian with
sudo apt-get install php7.4-curl
Check the server configuration and folders' routes:
Open servers view (Window -> Open view... -> Others... -> Search for 'servers'.
Right click on server (mine is Tomcat v6.0) -> properties -> Click on 'Swicth Location' (check that location's like /servers...
Double click on the server. This will open a new servers page. In the 'Servers Locations' area, check the 'Use Tomcat Installation (takes control of Tomcat Installation)' option.
Restart your server.
Enjoy!
The query below returns a list of information about each field, including the MySQL field type. Here is an example:
SHOW FIELDS FROM tablename
/* returns "Field", "Type", "Null", "Key", "Default", "Extras" */
See this manual page.
fsspec is a great option for this, it offers a filesystem like implementation of sftp.
from fsspec.implementations.sftp import SFTPFileSystem
fs = SFTPFileSystem(host=host, username=username, password=password)
# list a directory
fs.ls("/")
# open a file
with fs.open(file_name) as file:
content = file.read()
Also worth noting that fsspec uses paramiko in the implementation.
The accounts property is defined like this:
"accounts":{"github":"sergiotapia"}
Your POCO states this:
public List<Account> Accounts { get; set; }
Try using this Json:
"accounts":[{"github":"sergiotapia"}]
An array of items (which is going to be mapped to the list) is always enclosed in square brackets.
Edit: The Account Poco will be something like this:
class Account {
public string github { get; set; }
}
and maybe other properties.
Edit 2: To not have an array use the property as follows:
public Account Accounts { get; set; }
with something like the sample class I've posted in the first edit.
The call to getTableCellRendererComponent(...)
includes the value of the cell for which a renderer is sought.
You can use that value to compute a color. If you're also using an AbstractTableModel, you can provide a value of arbitrary type to your renderer.
Once you have a color, you can setBackground()
on the component that you're returning.
Check whether your config string is okay:
Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=9999
I just had this issue today, and in my case it was because there was an invisible character in the jpda config parameter.
To be precise, I had dos line endings in my setenv.sh file on tomcat, causing a carriage-return character right after 'dt_socket'
It happens when you have a file with the same name as Makefile target name in the directory where the Makefile is present.
When you installed composer pretty sure you used $ sudo
command because of that the ~/.composer
folder was created by the root.
Run this to fix the issue:
$ sudo chown -R $USER $HOME/.composer
<style type="text/css">
td { word-wrap: break-word;max-width:50px; }
</style>
None of these solutions worked for me. These two similar problems offer temporary solutions that worked, it seems the simulator process isn't being shutdown correctly:
Killing Simulator Processes
From https://stackoverflow.com/a/52533391/11279823
Activity monitor
, selected cpu
option and search for sim
, killing all the process shown as result.sudo xcrun simctl erase all
. It will delete all content of all simulators. By content if you logged in somewhere password will be gone, all developer apps installed in that simulator will be gone.Opening Simulator before starting the package
From https://stackoverflow.com/a/55374768/11279823
open -a Simulator; npm start
Hopefully a permanent solution is found.
I was getting the same error message when I tried to change the domain for iframe.src.
For me, the answer was to change the iframe.src to a url on the same domain, but which was actually an html re-direct page to the desired domain. The other domain then showed up in my iframe without any errors.
Worked like a charm.:)
You do not have to reference std::cout
or std::endl
explicitly.
They are both included in the namespace std
. using namespace std
instead of using scope resolution operator ::
every time makes is easier and cleaner.
#include<iostream>
#include<string>
using namespace std;
setInterval(function () {document.getElementById("myButtonId").click();}, 1000);
End of the user session means when the browser is shut down.
Read this: http://en.wikipedia.org/wiki/HTTP_cookie#Expires_and_Max-Age
First off, when you create a "bare repository", you're not going to be doing any work with it (it doesn't contain a working copy, so the git branch
command is not useful).
Now, the reason you wouldn't have a master
branch even after doing a git init
is that there are no commits: when you create your first commit, you will then have a master
branch.
EL expression:
${requestScope.Error_Message}
There are several implicit objects in JSP EL. See Expression Language under the "Implicit Objects" heading.
In Layman terms, you need to include external js file in your HTML file & thereafter you could directly call your JS method written in an external js file from HTML page. Follow the code snippet for insight:-
caller.html
<script type="text/javascript" src="external.js"></script>
<input type="button" onclick="letMeCallYou()" value="run external javascript">
external.js
function letMeCallYou()
{
alert("Bazinga!!! you called letMeCallYou")
}
Using Python to make a flushproject command, you use :
from django.db import connection
cursor = connection.cursor()
cursor.execute(“DROP DATABASE %s;”, [connection.settings_dict['NAME']])
cursor.execute(“CREATE DATABASE %s;”, [connection.settings_dict['NAME']])
Use filter
, or if the number of dictionaries in exampleSet
is too high, use ifilter
of the itertools
module. It would return an iterator, instead of filling up your system's memory with the entire list at once:
from itertools import ifilter
for elem in ifilter(lambda x: x['type'] in keyValList, exampleSet):
print elem
Try to use the following: chmod +rx /home/*
The easiest way to do this, as noted by Umar is, for example
mysql> SET GLOBAL time_zone = 'America/New_York';
Using the named timezone is important for timezone that has a daylights saving adjustment. However, for some linux builds you may get the following response:
#1298 - Unknown or incorrect time zone
If you're seeing this, you may need to run a tzinfo_to_sql translation... it's easy to do, but not obvious. From the linux command line type in:
mysql_tzinfo_to_sql /usr/share/zoneinfo/|mysql -u root mysql -p
Provide your root password (MySQL root, not Linux root) and it will load any definitions in your zoneinfo into mysql. You can then go back and run your
mysql> SET GLOBAL time_zone = timezone;
Try display phpinfo() by file and check this var.
sudo nginx -t
should test all files and return errors and warnings locations
HTML5 has included a much better solution than using hashchange which is the HTML5 State Management APIs - https://developer.mozilla.org/en/DOM/Manipulating_the_browser_history - they allow you to change the url of the page, without needing to use hashes!
Though the HTML5 State Functionality is only available to HTML5 Browsers. So you probably want to use something like History.js which provides a backwards compatible experience to HTML4 Browsers (via hashes, but still supports data and titles as well as the replaceState functionality).
You can read more about it here: https://github.com/browserstate/History.js
Just to add to how to use map files. I use chrome for ubuntu and if I go to sources and click on a file, if there is a map file a message comes up telling me that I can view the original file and how to do it.
For the Angular files that I worked with today I click
Ctrl-P and a list of original files comes up in a small window.
I can then browse through the list to view the file that I would like to inspect and check where the issue might be.
This should work:
SELECT model, date FROM doc GROUP BY model ORDER BY date DESC
It just sort the dates from last to first and by grouping it only grabs the first one.
We were using a static SystemTime object, but ran into problems running parallel unit tests. I attempted to use Henk van Boeijen's solution but had problems across spawned asynchronous threads, ended up using using AsyncLocal in a manner similar to this below:
public static class Clock
{
private static Func<DateTime> _utcNow = () => DateTime.UtcNow;
static AsyncLocal<Func<DateTime>> _override = new AsyncLocal<Func<DateTime>>();
public static DateTime UtcNow => (_override.Value ?? _utcNow)();
public static void Set(Func<DateTime> func)
{
_override.Value = func;
}
public static void Reset()
{
_override.Value = null;
}
}
Sourced from https://gist.github.com/CraftyFella/42f459f7687b0b8b268fc311e6b4af08
I think you want $data[$category] = $question;
Or in case you want an array that maps categories to array of questions:
$data = array();
foreach($file_data as $value) {
list($category, $question) = explode('|', $value, 2);
if(!isset($data[$category])) {
$data[$category] = array();
}
$data[$category][] = $question;
}
print_r($data);
The problem happens because in same hibernate session you are trying to save two objects with same identifier.There are two solutions:-
This is happening because you have not configured your mapping.xml file correctly for id fields as below:-
<id name="id">
<column name="id" sql-type="bigint" not-null="true"/>
<generator class="hibernateGeneratorClass"</generator>
</id>
Overload the getsession method to accept a Parameter like isSessionClear, and clear the session before returning the current session like below
public static Session getSession(boolean isSessionClear) {
if (session.isOpen() && isSessionClear) {
session.clear();
return session;
} else if (session.isOpen()) {
return session;
} else {
return sessionFactory.openSession();
}
}
This will cause existing session objects to be cleared and even if hibernate doesn't generate a unique identifier ,assuming you have configured your database properly for a primary key using something like Auto_Increment,it should work for you.
Small devices (landscape phones, 576px and up)
@media (min-width: 576px) {
#my-content{
width:100%;
}
// Medium devices (tablets, 768px and up)
@media (min-width: 768px) {
#my-content{
width:100%;
}
}
// Large devices (desktops, 992px and up)
@media (min-width: 992px) {
display: none;
}
// Extra large devices (large desktops, 1200px and up)
@media (min-width: 1200px) {
// Havent code only get for more informations
}
Two generic ways to do the same thing... I'm not aware of any specific open solutions to do this, but it'd be rather trivial to do.
You could write a daily or weekly cron/jenkins job to scrape the previous time period's email from the archive looking for your keyworkds/combinations. Sending a batch digest with what it finds, if anything.
But personally, I'd Setup a specific email account to subscribe to the various security lists you're interested in. Add a simple automated script to parse the new emails for various keywords or combinations of keywords, when it finds a match forward that email on to you/your team. Just be sure to keep the keywords list updated with new products you're using.
You could even do this with a gmail account and custom rules, which is what I currently do, but I have setup an internal inbox in the past with a simple python script to forward emails that were of interest.
I was getting a cross domain permissions issue when trying to run the answer to this question so I went with:
function UrlExists(url) {
$('<img src="'+ url +'">').load(function() {
return true;
}).bind('error', function() {
return false;
});
}
It seems to work great, hope this helps someone!
Despite Daniel Böhmer's working solution, Ohad Schneider offered a better solution in a comment:
If the file is usually ignored, and you force adding it - it can be accidentally ignored again in the future (like when the file is deleted, then a commit is made and the file is re-created.
You should just un-ignore it in the .gitignore file like that: Unignore subdirectories of ignored directories in Git
You can pass an object as argument to the Thread.Start
and use it as a shared data storage between the current thread and the initiating thread.
You can also just directly access (with the appropriate locking of course) your data members, if you started the thread using the instance form of the ThreadStart
delegate.
You can't use attributes to create shared data between threads. You can use the attribute instances attached to your class as a data storage, but I fail to see how that is better than using static or instance data members.
For me it worked using flexbox, which is in my opinion the cleanest solution.
Add a css class around the parent div / element with :
.parent {
display: flex;
}
and for the button use:
.button {
justify-content: center;
}
You should use a parent div, otherwise the button doesn't 'know' what the middle of the page / element is.
If this is not working, try :
#wrapper {
display:flex;
justify-content: center;
}
100vh works for me, but at first I had used javascript (actually jQuery, but you can adapt it), to tackle a similar problw.
HTML
<body>
<div id="wrapper">
<div id="header">header</div>
<div id="content">content</div>
</div>
</body>
js/jQuery
var innerWindowHeight = $(window).height();
var headerHeight = $("#header").height();
var contentHeight = innerWindowHeight - headerHeight;
$(".content").height(contentHeight + "px");
Alternately, you can just use 111px if you don't want to calculate headerHeight.
Also, you may want to put this in a window resize event, to rerun the script if the window height increases for example.
Once you define a class (MyDTOClass) indicating what you expect to receive it should be as simple as...
public ActionResult Post([FromBody]MyDTOClass inputData){
... do something with input data ...
}
Thx to Julias:
Make sure your request is sent with the http header:
Content-Type: application/json
You could simply use ArrayUtils.contains
from Apache Commons Lang library
.
public boolean contains(final int[] array, final int key) {
return ArrayUtils.contains(array, key);
}
Based on the suggestion of using the PushbackInputStream, you'll find an exemple implementation here:
/**
* @author Lorber Sebastien <i>([email protected])</i>
*/
public class NonEmptyInputStream extends FilterInputStream {
/**
* Once this stream has been created, do not consume the original InputStream
* because there will be one missing byte...
* @param originalInputStream
* @throws IOException
* @throws EmptyInputStreamException
*/
public NonEmptyInputStream(InputStream originalInputStream) throws IOException, EmptyInputStreamException {
super( checkStreamIsNotEmpty(originalInputStream) );
}
/**
* Permits to check the InputStream is empty or not
* Please note that only the returned InputStream must be consummed.
*
* see:
* http://stackoverflow.com/questions/1524299/how-can-i-check-if-an-inputstream-is-empty-without-reading-from-it
*
* @param inputStream
* @return
*/
private static InputStream checkStreamIsNotEmpty(InputStream inputStream) throws IOException, EmptyInputStreamException {
Preconditions.checkArgument(inputStream != null,"The InputStream is mandatory");
PushbackInputStream pushbackInputStream = new PushbackInputStream(inputStream);
int b;
b = pushbackInputStream.read();
if ( b == -1 ) {
throw new EmptyInputStreamException("No byte can be read from stream " + inputStream);
}
pushbackInputStream.unread(b);
return pushbackInputStream;
}
public static class EmptyInputStreamException extends RuntimeException {
public EmptyInputStreamException(String message) {
super(message);
}
}
}
And here are some passing tests:
@Test(expected = EmptyInputStreamException.class)
public void test_check_empty_input_stream_raises_exception_for_empty_stream() throws IOException {
InputStream emptyStream = new ByteArrayInputStream(new byte[0]);
new NonEmptyInputStream(emptyStream);
}
@Test
public void test_check_empty_input_stream_ok_for_non_empty_stream_and_returned_stream_can_be_consummed_fully() throws IOException {
String streamContent = "HELLooooô wörld";
InputStream inputStream = IOUtils.toInputStream(streamContent, StandardCharsets.UTF_8);
inputStream = new NonEmptyInputStream(inputStream);
assertThat(IOUtils.toString(inputStream,StandardCharsets.UTF_8)).isEqualTo(streamContent);
}
If you don't need typesafe, just bring block to a new separated file and change the extension to .js,.jsx
The answer given here works for some MVC versions but not for others.
The simple solution worked for MVC1 but on upgrading to MVC2 the views were no longer being compliled. This was due to a bug in the website project files. See this Haacked article.
See this: http://haacked.com/archive/2011/05/09/compiling-mvc-views-in-a-build-environment.aspx
When you get a connection to PostgreSQL
it is always to a particular database. To access a different database, you must get a new connection.
Using \c
in psql closes the old connection and acquires a new one, using the specified database and/or credentials. You get a whole new back-end process and everything.
Thanks for the code example. I had to modify it go get it to work with a context menu. This is my solution.
static final Class<?>[] constructorSignature = new Class[] {Context.class, AttributeSet.class};
class MenuColorFix implements LayoutInflater.Factory {
public View onCreateView(String name, Context context, AttributeSet attrs) {
if (name.equalsIgnoreCase("com.android.internal.view.menu.ListMenuItemView")) {
try {
Class<? extends ViewGroup> clazz = context.getClassLoader().loadClass(name).asSubclass(ViewGroup.class);
Constructor<? extends ViewGroup> constructor = clazz.getConstructor(constructorSignature);
final ViewGroup view = constructor.newInstance(new Object[]{context,attrs});
new Handler().post(new Runnable() {
public void run() {
try {
view.setBackgroundColor(Color.BLACK);
List<View> children = getAllChildren(view);
for(int i = 0; i< children.size(); i++) {
View child = children.get(i);
if ( child instanceof TextView ) {
((TextView)child).setTextColor(Color.WHITE);
}
}
}
catch (Exception e) {
Log.i(TAG, "Caught Exception!",e);
}
}
});
return view;
}
catch (Exception e) {
Log.i(TAG, "Caught Exception!",e);
}
}
return null;
}
}
public List<View> getAllChildren(ViewGroup vg) {
ArrayList<View> result = new ArrayList<View>();
for ( int i = 0; i < vg.getChildCount(); i++ ) {
View child = vg.getChildAt(i);
if ( child instanceof ViewGroup) {
result.addAll(getAllChildren((ViewGroup)child));
}
else {
result.add(child);
}
}
return result;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
LayoutInflater lInflater = getLayoutInflater();
if ( lInflater.getFactory() == null ) {
lInflater.setFactory(new MenuColorFix());
}
super.onCreateContextMenu(menu, v, menuInfo);
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.myMenu, menu);
}
For me this works with Android 1.6, 2.03 and 4.03.
@Ali Shakiba your code needs some modification. Error part:
for (int i = 0; i < myArray.length; i++) {
myStatement.setString(i, myArray[i][1]);
myStatement.setString(i, myArray[i][2]);
}
Updated code:
String myArray[][] = {
{"1-1", "1-2"},
{"2-1", "2-2"},
{"3-1", "3-2"}
};
StringBuffer mySql = new StringBuffer("insert into MyTable (col1, col2) values (?, ?)");
for (int i = 0; i < myArray.length - 1; i++) {
mySql.append(", (?, ?)");
}
mysql.append(";"); //also add the terminator at the end of sql statement
myStatement = myConnection.prepareStatement(mySql.toString());
for (int i = 0; i < myArray.length; i++) {
myStatement.setString((2 * i) + 1, myArray[i][1]);
myStatement.setString((2 * i) + 2, myArray[i][2]);
}
myStatement.executeUpdate();
var test = parseInt($("#testid").val());
Watch out for certain headers such as HTTP_X_FORWARDED_FOR
that appear to contain a single IP address. They may actually contain multiple addresses (a chain of proxies I assume).
They will appear to be comma delimited - and can be a lot longer than 45 characters total - so check before storing in DB.
$('#new_user_form').find('input').each(function(){
//your code here
});
grep has a -P switch allowing to use perl regexp syntax the perl regex allows to look at bytes, using \x.. syntax.
so you can look for a given hex string in a file with: grep -aP "\xdf"
but the outpt won't be very useful; indeed better do a regexp on the hexdump output;
The grep -P can be useful however to just find files matrching a given binary pattern. Or to do a binary query of a pattern that actually happens in text (see for example How to regexp CJK ideographs (in utf-8) )
With java 8 you can try this:
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
public class JSONUtil {
public static JSONObject parseJSONFile(String filename) throws JSONException, IOException {
String content = new String(Files.readAllBytes(Paths.get(filename)));
return new JSONObject(content);
}
public static void main(String[] args) throws IOException, JSONException {
String filename = "path/to/file/abc.json";
JSONObject jsonObject = parseJSONFile(filename);
//do anything you want with jsonObject
}
}
Using with FILEPATH
option might work:
set(CMAKE_CXX_COMPILER:FILEPATH C:/MinGW/bin/gcc.exe)
Based on Daniel Krom's solution. This is version in swift 3.0. Works great with AutoLayout, and moves whole view when keyboard appears.
extension UIView {
func bindToKeyboard(){
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillChange), name: NSNotification.Name.UIKeyboardWillChangeFrame, object: nil)
}
func unbindFromKeyboard(){
NotificationCenter.default.removeObserver(self, name: NSNotification.Name.UIKeyboardWillChangeFrame, object: nil)
}
@objc
func keyboardWillChange(notification: NSNotification) {
guard let userInfo = notification.userInfo else { return }
let duration = userInfo[UIKeyboardAnimationDurationUserInfoKey] as! Double
let curve = userInfo[UIKeyboardAnimationCurveUserInfoKey] as! UInt
let curFrame = (userInfo[UIKeyboardFrameBeginUserInfoKey] as! NSValue).cgRectValue
let targetFrame = (userInfo[UIKeyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
let deltaY = targetFrame.origin.y - curFrame.origin.y
UIView.animateKeyframes(withDuration: duration, delay: 0.0, options: UIViewKeyframeAnimationOptions(rawValue: curve), animations: {
self.frame.origin.y += deltaY
})
}
}
How to use it:
Add bindToKeyboard
function in viewDidLoad
like:
override func viewDidLoad() {
super.viewDidLoad()
view.bindToKeyboard()
}
And add unbindFromKeyboard
function in deinit:
deinit {
view.unbindFromKeyboard()
}
I've just made a solution of it working only in template. The solution is
<span ng-repeat="gettingParentIndex in products">
<div class="row" ng-if="$index<products.length/2+1"> <!-- 2 columns -->
<span ng-repeat="product in products">
<div class="col-sm-6" ng-if="$index>=2*$parent.$index && $index <= 2*($parent.$index+1)-1"> <!-- 2 columns -->
{{product.foo}}
</div>
</span>
</div>
</span>
Point is using data twice, one is for an outside loop. Extra span tags will remain, but it depends on how you trade off.
If it's a 3 column layout, it's going to be like
<span ng-repeat="gettingParentIndex in products">
<div class="row" ng-if="$index<products.length/3+1"> <!-- 3 columns -->
<span ng-repeat="product in products">
<div class="col-sm-4" ng-if="$index>=3*$parent.$index && $index <= 3*($parent.$index+1)-1"> <!-- 3 columns -->
{{product.foo}}
</div>
</span>
</div>
</span>
Honestly I wanted
$index<Math.ceil(products.length/3)
Although it didn't work.
you can change firstItem to id and it will work
you can change the routing on global.asax (i do not recommed that)
and, can't believe no one mentioned this, you can call :
http://localhost:2316/Inventory/ViewStockNext?firstItem=11
In a @Url.Action would be :
@Url.Action("ViewStockNext", "Inventory", new {firstItem=11});
depending on the type of what you are doing, the last will be more suitable. Also you should consider not doing ViewStockNext action and instead a ViewStock action with index. (my 2cents)
My rule of thumb is:
Use pointers if you want to do pointer arithmetic with them (e.g. incrementing the pointer address to step through an array) or if you ever have to pass a NULL-pointer.
Use references otherwise.
In order an element to appear in front of another you have to give higher z-index to the front element, and lower z-index to the back element, also you should indicate position: absolute/fixed...
Example:
<div style="z-index:100; position: fixed;">Hello</div>
<div style="z-index: -1;">World</div>
You can do it with the HTMLWorker
class (deprecated) like this:
import com.itextpdf.text.html.simpleparser.HTMLWorker;
//...
try {
String k = "<html><body> This is my Project </body></html>";
OutputStream file = new FileOutputStream(new File("C:\\Test.pdf"));
Document document = new Document();
PdfWriter.getInstance(document, file);
document.open();
HTMLWorker htmlWorker = new HTMLWorker(document);
htmlWorker.parse(new StringReader(k));
document.close();
file.close();
} catch (Exception e) {
e.printStackTrace();
}
or using the XMLWorker
, (download from this jar) using this code:
import com.itextpdf.tool.xml.XMLWorkerHelper;
//...
try {
String k = "<html><body> This is my Project </body></html>";
OutputStream file = new FileOutputStream(new File("C:\\Test.pdf"));
Document document = new Document();
PdfWriter writer = PdfWriter.getInstance(document, file);
document.open();
InputStream is = new ByteArrayInputStream(k.getBytes());
XMLWorkerHelper.getInstance().parseXHtml(writer, document, is);
document.close();
file.close();
} catch (Exception e) {
e.printStackTrace();
}
A quick jump into Reflector.NET shows that the Close()
method on StreamWriter
is:
public override void Close()
{
this.Dispose(true);
GC.SuppressFinalize(this);
}
And StreamReader
is:
public override void Close()
{
this.Dispose(true);
}
The Dispose(bool disposing)
override in StreamReader
is:
protected override void Dispose(bool disposing)
{
try
{
if ((this.Closable && disposing) && (this.stream != null))
{
this.stream.Close();
}
}
finally
{
if (this.Closable && (this.stream != null))
{
this.stream = null;
/* deleted for brevity */
base.Dispose(disposing);
}
}
}
The StreamWriter
method is similar.
So, reading the code it is clear that that you can call Close()
& Dispose()
on streams as often as you like and in any order. It won't change the behaviour in any way.
So it comes down to whether or not it is more readable to use Dispose()
, Close()
and/or using ( ... ) { ... }
.
My personal preference is that using ( ... ) { ... }
should always be used when possible as it helps you to "not run with scissors".
But, while this helps correctness, it does reduce readability. In C# we already have plethora of closing curly braces so how do we know which one actually performs the close on the stream?
So I think it is best to do this:
using (var stream = ...)
{
/* code */
stream.Close();
}
It doesn't affect the behaviour of the code, but it does aid readability.
Under Linux you can use the very powerful recode command to try and convert between the different charsets as well as any line ending issues. recode -l will show you all of the formats and encodings that the tool can convert between. It is likely to be a VERY long list.
You can use the -f operator
$a = "{0:D}" -f (get-date)
$a = "{0:dddd}" -f (get-date)
Spécificator Type Example (with [datetime]::now)
d Short date 26/09/2002
D Long date jeudi 26 septembre 2002
t Short Hour 16:49
T Long Hour 16:49:31
f Date and hour jeudi 26 septembre 2002 16:50
F Long Date and hour jeudi 26 septembre 2002 16:50:51
g Default Date 26/09/2002 16:52
G Long default Date and hour 26/09/2009 16:52:12
M Month Symbol 26 septembre
r Date string RFC1123 Sat, 26 Sep 2009 16:54:50 GMT
s Sortable string date 2009-09-26T16:55:58
u Sortable string date universal local hour 2009-09-26 16:56:49Z
U Sortable string date universal GMT hour samedi 26 septembre 2009 14:57:22 (oups)
Y Year symbol septembre 2002
Spécificator Type Example Output Example
dd Jour {0:dd} 10
ddd Name of the day {0:ddd} Jeu.
dddd Complet name of the day {0:dddd} Jeudi
f, ff, … Fractions of seconds {0:fff} 932
gg, … position {0:gg} ap. J.-C.
hh Hour two digits {0:hh} 10
HH Hour two digits (24 hours) {0:HH} 22
mm Minuts 00-59 {0:mm} 38
MM Month 01-12 {0:MM} 12
MMM Month shortcut {0:MMM} Sep.
MMMM complet name of the month {0:MMMM} Septembre
ss Seconds 00-59 {0:ss} 46
tt AM or PM {0:tt} ““
yy Years, 2 digits {0:yy} 02
yyyy Years {0:yyyy} 2002
zz Time zone, 2 digits {0:zz} +02
zzz Complete Time zone {0:zzz} +02:00
: Separator {0:hh:mm:ss} 10:43:20
/ Separator {0:dd/MM/yyyy} 10/12/2002
<div class="author_">Lord Byron</div>
.author_ { font-family: 'Playfair Display', serif; font-size: 1.25em; font-weight: 700;letter-spacing: 0.25em; font-style: italic;_x000D_
position:relative;_x000D_
margin-top: -0.5em;_x000D_
color: black;_x000D_
z-index:1;_x000D_
overflow:hidden;_x000D_
text-align:center;_x000D_
_x000D_
}_x000D_
_x000D_
_x000D_
.author_:after{_x000D_
left:20px;_x000D_
margin:0 -100% 0 0;_x000D_
display: inline-block;_x000D_
height: 10px;_x000D_
content: url(data:image/svg+xml,%0A%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22120px%22%20height%3D%2220px%22%20viewBox%3D%220%200%201200%20200%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%3E%0A%20%20%3Cpath%20stroke%3D%22black%22%20stroke-width%3D%223%22%20fill%3D%22none%22%20d%3D%22M1145%2085c17%2C7%208%2C24%20-4%2C29%20-12%2C4%20-40%2C6%20-48%2C-8%20-9%2C-15%209%2C-34%2026%2C-42%2017%2C-7%2045%2C-6%2062%2C2%2017%2C9%2019%2C18%2020%2C27%201%2C9%200%2C29%20-27%2C52%20-28%2C23%20-52%2C34%20-102%2C33%20-49%2C0%20-130%2C-31%20-185%2C-50%20-56%2C-18%20-74%2C-21%20-96%2C-23%20-22%2C-2%20-29%2C-2%20-56%2C7%20-27%2C8%20-44%2C17%20-44%2C17%20-13%2C5%20-15%2C7%20-40%2C16%20-25%2C9%20-69%2C14%20-120%2C11%20-51%2C-3%20-126%2C-23%20-181%2C-32%20-54%2C-9%20-105%2C-20%20-148%2C-23%20-42%2C-3%20-71%2C1%20-104%2C5%20-34%2C5%20-65%2C15%20-98%2C22%22%2F%3E%0A%3C%2Fsvg%3E%0A);_x000D_
}_x000D_
.author_:before {_x000D_
right:20px;_x000D_
margin:0 0 0 -100%;_x000D_
display: inline-block;_x000D_
height: 10px;_x000D_
content: url(data:image/svg+xml,%0A%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22120px%22%20height%3D%2220px%22%20viewBox%3D%220%200%201200%20130%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%3E%0A%20%20%3Cpath%20stroke%3D%22black%22%20stroke-width%3D%223%22%20fill%3D%22none%22%20d%3D%22M55%2068c-17%2C6%20-8%2C23%204%2C28%2012%2C5%2040%2C7%2048%2C-8%209%2C-15%20-9%2C-34%20-26%2C-41%20-17%2C-8%20-45%2C-7%20-62%2C2%20-18%2C8%20-19%2C18%20-20%2C27%20-1%2C9%200%2C29%2027%2C52%2028%2C23%2052%2C33%20102%2C33%2049%2C-1%20130%2C-31%20185%2C-50%2056%2C-19%2074%2C-21%2096%2C-23%2022%2C-2%2029%2C-2%2056%2C6%2027%2C8%2043%2C17%2043%2C17%2014%2C6%2016%2C7%2041%2C16%2025%2C9%2069%2C15%20120%2C11%2051%2C-3%20126%2C-22%20181%2C-32%2054%2C-9%20105%2C-20%20148%2C-23%2042%2C-3%2071%2C1%20104%2C6%2034%2C4%2065%2C14%2098%2C22%22%2F%3E%0A%3C%2Fsvg%3E%0A);_x000D_
}
_x000D_
<div class="author_">Lord Byron</div>
_x000D_
Convenient tool for SVG encoding url-encoder
Git stash clear will clear complete stash,
cmd: git stash clear
If you want to delete a particular stash with a stash index, you can use the drop.
cmd: git stash drop 4
(4 is stash id or stash index)
For some reason, none of the other methods worked for me...So i tried this and worked. Hope it helps..
JFileChooser c= new JFileChooser();
c.showOpenDialog(c);
File write_file = c.getSelectedFile();
String Content = "Writing into file\n hi \n hello \n hola";
try
{
RandomAccessFile raf = new RandomAccessFile(write_file, "rw");
long length = raf.length();
System.out.println(length);
raf.setLength(length + 1); //+ (integer value) for spacing
raf.seek(raf.length());
raf.writeBytes(Content);
raf.close();
}
catch (Exception e) {
System.out.println(e);
}
This might be what you are looking for:
yourStream
.filter(/* your criteria */)
.findFirst()
.get();
And better, if there's a possibility of matching no element, in which case get()
will throw a NPE. So use:
yourStream
.filter(/* your criteria */)
.findFirst()
.orElse(null); /* You could also create a default object here */
public static void main(String[] args) {
class Stop {
private final String stationName;
private final int passengerCount;
Stop(final String stationName, final int passengerCount) {
this.stationName = stationName;
this.passengerCount = passengerCount;
}
}
List<Stop> stops = new LinkedList<>();
stops.add(new Stop("Station1", 250));
stops.add(new Stop("Station2", 275));
stops.add(new Stop("Station3", 390));
stops.add(new Stop("Station2", 210));
stops.add(new Stop("Station1", 190));
Stop firstStopAtStation1 = stops.stream()
.filter(e -> e.stationName.equals("Station1"))
.findFirst()
.orElse(null);
System.out.printf("At the first stop at Station1 there were %d passengers in the train.", firstStopAtStation1.passengerCount);
}
Output is:
At the first stop at Station1 there were 250 passengers in the train.
Download & Install install JDK
$ java -version
Set JAVA_HOME environment variable
$ open -t .zprofile
Or create . zprofile file
$
open -t .zprofile
export JAVA_HOME=$(/usr/libexec/java_home)
Save .zprofile and close the bash file & then write in the terminal for work perfectly.
$ source .zprofile
Setup test in terminal
$ echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk/Contents/Home
The problem with other proposed solutions is that they will either drop characters that cannot be directly mapped to ASCII, or replace them with a marker character like ?
.
You might desire to have for example accented characters converted to that same character without the accent. There are a couple of tricks to do this (including building a static mapping table yourself or leveraging existing 'normalization' defined for unicode), but those methods are far from complete.
Your best bet is using the junidecode library, which cannot be complete either but incorporates a lot of experience in the most sane way of transliterating Unicode to ASCII.
Should I put the shebang in my Python scripts?
Put a shebang into a Python script to indicate:
python
executable explicitlyAre these equally portable? Which form is used most?
If you write a shebang manually then always use #!/usr/bin/env python
unless you have a specific reason not to use it. This form is understood even on Windows (Python launcher).
Note: installed scripts should use a specific python executable e.g., /usr/bin/python
or /home/me/.virtualenvs/project/bin/python
. It is bad if some tool breaks if you activate a virtualenv in your shell. Luckily, the correct shebang is created automatically in most cases by setuptools
or your distribution package tools (on Windows, setuptools
can generate wrapper .exe
scripts automatically).
In other words, if the script is in a source checkout then you will probably see #!/usr/bin/env python
. If it is installed then the shebang is a path to a specific python executable such as #!/usr/local/bin/python
(NOTE: you should not write the paths from the latter category manually).
To choose whether you should use python
, python2
, or python3
in the shebang, see PEP 394 - The "python" Command on Unix-Like Systems:
...
python
should be used in the shebang line only for scripts that are source compatible with both Python 2 and 3.in preparation for an eventual change in the default version of Python, Python 2 only scripts should either be updated to be source compatible with Python 3 or else to use
python2
in the shebang line.
Check if the element is a child of <html>
via Node::contains()
:
const div = document.createElement('div');
document.documentElement.contains(div); //-> false
document.body.appendChild(div);
document.documentElement.contains(div); //-> true
I've covered this and more in is-dom-detached.
OK, finally we have an answer...
You are correctly specifying headers: {"Content-Type": "application/json"},
to set your content type. Under the hood either the package http
or the lower level dart:io HttpClient
is changing this to application/json; charset=utf-8
. However, your server web application obviously isn't expecting the suffix.
To prove this I tried it in Java, with the two versions
conn.setRequestProperty("content-type", "application/json; charset=utf-8"); // fails
conn.setRequestProperty("content-type", "application/json"); // works
Are you able to contact the web application owner to explain their bug? I can't see where Dart is adding the suffix, but I'll look later.
EDIT
Later investigation shows that it's the http
package that, while doing a lot of the grunt work for you, is adding the suffix that your server dislikes. If you can't get them to fix the server then you can by-pass http
and use the dart:io HttpClient
directly. You end up with a bit of boilerplate which is normally handled for you by http
.
Working example below:
import 'dart:convert';
import 'dart:io';
import 'dart:async';
main() async {
String url =
'https://pae.ipportalegre.pt/testes2/wsjson/api/app/ws-authenticate';
Map map = {
'data': {'apikey': '12345678901234567890'},
};
print(await apiRequest(url, map));
}
Future<String> apiRequest(String url, Map jsonMap) async {
HttpClient httpClient = new HttpClient();
HttpClientRequest request = await httpClient.postUrl(Uri.parse(url));
request.headers.set('content-type', 'application/json');
request.add(utf8.encode(json.encode(jsonMap)));
HttpClientResponse response = await request.close();
// todo - you should check the response.statusCode
String reply = await response.transform(utf8.decoder).join();
httpClient.close();
return reply;
}
Depending on your use case, it may be more efficient to re-use the HttpClient, rather than keep creating a new one for each request. Todo - add some error handling ;-)
I wondered the same myself. I found that under File(menu) there is an item "Project Settings". It opens a dialog box with 3 choices: "Default Location", "Project-relative Location", and "Custom location" "Project-relative" puts the build products in the project folder, like before. This is not in the Preferences menu and must be set every time a project is created. Hope this helps.
To resolve the Could not load file or assembly 'System.Web.Http' error use NuGet to install the Web API 2.1 WebHost.
In solution explorer in the references right click and select manage nuget packages. (if not there install nuget)
In the manage NuGet Packages window on the left side click online then in top right search for Web Host and install Microsoft ASP.NET Web API 2.1 Web Host. (Once installed the install button will change to a green check)
After that the project will reload and when it's build again the error will be resolved and the project will debug and run. The error will be gone and you may be 'The resource cannot be found. Just append the url ( ex from localhost:52088/ to localhost:52088api/products )
Your question was good and helped me.
Hope this answer helps!
Check out this Sample Camera Preview code, CameraPreview
. This would help you in devloping video recording code for video preview, create MediaRecorder
object, and set video recording parameters.
It is important to remember the evaluations to true
and false
in JavaScript:
Everything with a "Value" is true
(namely truthy), for example:
101
,3.1415
,-11
,"Lucky Brain"
,new Object()
true
Everything without a "Value" is false
(namely falsy), for example:
0
,-0
,""
(empty string),undefined
,null
,NaN
(not a number)false
Applying the "logical not" operator (!
) evaluates the operand, converting it to boolean
and then negating it. Applying it twice will negate the negation, effectively converting the value to boolean
. Not applying the operator will just be a regular assignment of the exact value. Examples:
var value = 23; // number
var valueAsNegatedBoolean = !value; // boolean falsy (because 23 is truthy)
var valueAsBoolean = !!value; // boolean truthy
var copyOfValue = value; // number 23
var value2 = 0;
var value2AsNegatedBoolean = !value2; // boolean truthy (because 0 is falsy)
var value2AsBoolean = !!value2; // boolean falsy
var copyOfValue2 = value2; // number 0
value2 = value;
assigns the exact object value
even if it is not boolean
hence value2
won't necessarily end up being boolean
.value2 = !!value;
assigns a guaranteed boolean
as the result of the double negation of the operand value
and it is equivalent to the following but much shorter and readable:if (value) {
value2 = true;
} else {
value2 = false;
}
_x000D_
It works perfectly in my case.
document.getElementById("form1").submit();
Also, you can use it in a function as below:
function formSubmit()
{
document.getElementById("form1").submit();
}
I think you set the marquee width related to 5 images total width. It works fine
ex: <marquee style="width:700px"></marquee>
I had this issue and fixed it by adding README.md file
You should return json always, but change its status, or in following example the ResponseCode property:
if(callbackResults.ResponseCode!="200"){
/* Some error, you can add a message too */
} else {
/* All fine, proceed with code */
};
You need to use regular expressions to identify the unwanted characters. For the most easily readable code, you want the str_replace_all
from the stringr
package, though gsub
from base R works just as well.
The exact regular expression depends upon what you are trying to do. You could just remove those specific characters that you gave in the question, but it's much easier to remove all punctuation characters.
x <- "a1~!@#$%^&*(){}_+:\"<>?,./;'[]-=" #or whatever
str_replace_all(x, "[[:punct:]]", " ")
(The base R equivalent is gsub("[[:punct:]]", " ", x)
.)
An alternative is to swap out all non-alphanumeric characters.
str_replace_all(x, "[^[:alnum:]]", " ")
Note that the definition of what constitutes a letter or a number or a punctuatution mark varies slightly depending upon your locale, so you may need to experiment a little to get exactly what you want.
You fixed the push, but, independently of that push issue (which I explained in "Why do I need to explicitly push a new branch?": git push -u origin master
or git push -u origin --all
), you need now to resolve the authentication issue.
That depends on your url (ssh as in '[email protected]/yourRepo
, or https as in https://github.com/You/YourRepo
)
For https url:
If your account is protected by the two-factor authentication, your regular password won't work (for https url), as explained here or here.
Same problem if your password contains special character (as in this answer)
If https doesn't work (because you don't want to generate a secondary key, a PAT: personal Access Token), then you can switch to ssh, as I have shown here.
As noted by qwerty in the comments, you can automatically create the branch of same name on the remote with:
git push -u origin head
Why?
.git\HEAD
file) has the refspec of the currently checked out branch (for example: ref: refs/heads/master
)Since the refpec used for this push is head: (no destination), a missing :<dst>
means to update the same ref as the <src>
(head, which is a branch).
That won't work if HEAD is detached though.
You need to use background-image instead of backgroundImage. For example:
$(function() {
$('.home').click(function() {
$(this).css('background-image', 'url(images/tabs3.png)');
});
}):
Eg:
Datatable newTable = new DataTable();
foreach(string s1 in list)
{
if (s1 != string.Empty) {
dvProducts.RowFilter = "(CODE like '" + serachText + "*') AND (CODE <> '" + s1 + "')";
foreach(DataRow dr in dvProducts.ToTable().Rows)
{
newTable.ImportRow(dr);
}
}
}
ListView1.DataSource = newTable;
ListView1.DataBind();
You can create such form where label and form control are side using two method -
1. Inline form layout
<form class="form-inline" role="form">
<div class="form-group">
<label for="inputEmail">Email</label>
<input type="email" class="form-control" id="inputEmail" placeholder="Email">
</div>
<div class="form-group">
<label for="inputPassword">Password</label>
<input type="password" class="form-control" id="inputPassword" placeholder="Password">
</div>
<button type="reset" class="btn btn-default">Reset</button>
<button type="submit" class="btn btn-primary">Login</button>
</form>
2. Horizontal Form Layout
<form class="form-horizontal">
<div class="row">
<div class="col-sm-4">
<div class="form-group">
<label for="inputEmail" class="control-label col-xs-3">Email</label>
<div class="col-xs-9">
<input type="email" class="form-control" id="inputEmail" placeholder="Email">
</div>
</div>
</div>
<div class="col-sm-5">
<div class="form-group">
<label for="inputPassword" class="control-label col-xs-3">Password</label>
<div class="col-xs-9">
<input type="password" class="form-control" id="inputPassword" placeholder="Password">
</div>
</div>
</div>
<div class="col-sm-3">
<button type="reset" class="btn btn-default">Reset</button>
<button type="submit" class="btn btn-primary">Login</button>
</div>
</div>
</form>
You can check out this page for more information and live demo - http://www.tutorialrepublic.com/twitter-bootstrap-tutorial/bootstrap-forms.php
Something like:
jar -xf foo.jar && find . -iname "*.class" | xargs /opt/local/bin/jad -r
maybe?
public static String removechar(String fromString, Character character) {
int indexOf = fromString.indexOf(character);
if(indexOf==-1)
return fromString;
String front = fromString.substring(0, indexOf);
String back = fromString.substring(indexOf+1, fromString.length());
return front+back;
}
Jquery :-
jQuery is a lightweight and feature-rich JavaScript Library that helps web developers
by simplifying the usage of client-side scripting for web applications using JavaScript.
It extensively simplifies using JavaScript on a website and it’s lightweight as well as fast.
So, using jQuery, we can:
easily manipulate the contents of a webpage
apply styles to make UI more attractive
easy DOM traversal
effects and animation
simple to make AJAX calls and
utilities and much more…
AngularJS :-
AngularJS is a product by none other the Search Engine Giant Google and it’s an open source
MVC-based framework(considered to be the best and only next generation framework). AngularJS
is a great tool for building highly rich client-side web applications.
As being a framework, it dictates us to follow some rules and a structured approach. It’s
not just a JavaScript library but a framework that is perfectly designed (framework tools
are designed to work together in a truly interconnected way).
In comparison of features jQuery Vs AngularJS, AngularJS simply offers more features:
Two-Way data binding
REST friendly
MVC-based Pattern
Deep Linking
Template
Form Validation
Dependency Injection
Localization
Full Testing Environment
Server Communication
Pros
Cons
This actually sums it up pretty nicely.
API Levels generally mean that as a programmer, you can communicate with the devices' built in functions and functionality. As the API level increases, functionality adds up (although some of it can get deprecated).
Choosing an API level for an application development should take at least two thing into account:
Android API levels can be divided to five main groups (not scientific, but what the heck):
If BranchA has not been pushed to a remote then you can reorder the commits using rebase
and then simply merge
. It's preferable to use merge
over rebase
when possible because it doesn't create duplicate commits.
git checkout BranchA
git rebase -i HEAD~113
... reorder the commits so the 10 you want are first ...
git checkout BranchB
git merge [the 10th commit]
I use Django 2.2.16. And this is how I solve this problem:
from typing import Any
from django.core.exceptions import ObjectDoesNotExist
from django.db import models
from django.db.models.base import ModelBase
from django.db.models.manager import Manager
class SManager(Manager):
def get_if_exist(self, *args: Any, **kwargs: Any):
try:
return self.get(*args, **kwargs)
except ObjectDoesNotExist:
return None
class SModelBase(ModelBase):
def _prepare(cls):
manager = SManager()
manager.auto_created = True
cls.add_to_class("objects", manager)
super()._prepare()
class Meta:
abstract = True
class SModel(models.Model, metaclass=SModelBase):
managers = False
class Meta:
abstract = True
And after that, in every models, you just need to import in:
from custom.models import SModel
class SUser(SModel):
pass
And in views
, you can call like this:
SUser.objects.get_if_exist(id=1)
Here I have written a few steps for How to Get RegID and Notification starting from scratch
You can find a complete tutorial here:
Code snippet to get Registration ID (Device Token for Push Notification).
Configure project for GCM
To enable GCM in our project we need to add a few permissions to our manifest file. Go to AndroidManifest.xml
and add this code:
Add Permissions
<uses-permission android:name="android.permission.INTERNET”/>
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name=“.permission.RECEIVE" />
<uses-permission android:name=“<your_package_name_here>.permission.C2D_MESSAGE" />
<permission android:name=“<your_package_name_here>.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
Add GCM Broadcast Receiver declaration in your application tag:
<application
<receiver
android:name=".GcmBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND" ]]>
<intent-filter]]>
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
<category android:name="" />
</intent-filter]]>
</receiver]]>
<application/>
Add GCM Service declaration
<application
<service android:name=".GcmIntentService" />
<application/>
Now Go to your Launch/Splash Activity
Add Constants and Class Variables
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
public static final String EXTRA_MESSAGE = "message";
public static final String PROPERTY_REG_ID = "registration_id";
private static final String PROPERTY_APP_VERSION = "appVersion";
private final static String TAG = "LaunchActivity";
protected String SENDER_ID = "Your_sender_id";
private GoogleCloudMessaging gcm =null;
private String regid = null;
private Context context= null;
Update OnCreate and OnResume methods
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_launch);
context = getApplicationContext();
if (checkPlayServices()) {
gcm = GoogleCloudMessaging.getInstance(this);
regid = getRegistrationId(context);
if (regid.isEmpty()) {
registerInBackground();
} else {
Log.d(TAG, "No valid Google Play Services APK found.");
}
}
}
@Override
protected void onResume() {
super.onResume();
checkPlayServices();
}
// # Implement GCM Required methods(Add below methods in LaunchActivity)
private boolean checkPlayServices() {
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultCode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, this,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.d(TAG, "This device is not supported - Google Play Services.");
finish();
}
return false;
}
return true;
}
private String getRegistrationId(Context context) {
final SharedPreferences prefs = getGCMPreferences(context);
String registrationId = prefs.getString(PROPERTY_REG_ID, "");
if (registrationId.isEmpty()) {
Log.d(TAG, "Registration ID not found.");
return "";
}
int registeredVersion = prefs.getInt(PROPERTY_APP_VERSION, Integer.MIN_VALUE);
int currentVersion = getAppVersion(context);
if (registeredVersion != currentVersion) {
Log.d(TAG, "App version changed.");
return "";
}
return registrationId;
}
private SharedPreferences getGCMPreferences(Context context) {
return getSharedPreferences(LaunchActivity.class.getSimpleName(),
Context.MODE_PRIVATE);
}
private static int getAppVersion(Context context) {
try {
PackageInfo packageInfo = context.getPackageManager()
.getPackageInfo(context.getPackageName(), 0);
return packageInfo.versionCode;
} catch (NameNotFoundException e) {
throw new RuntimeException("Could not get package name: " + e);
}
}
private void registerInBackground() {
new AsyncTask() {
@Override
protected Object doInBackground(Object...params) {
String msg = "";
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(context);
}
regid = gcm.register(SENDER_ID);
Log.d(TAG, "########################################");
Log.d(TAG, "Current Device's Registration ID is: " + msg);
} catch (IOException ex) {
msg = "Error :" + ex.getMessage();
}
return null;
}
protected void onPostExecute(Object result) {
//to do here
};
}.execute(null, null, null);
}
Note : please store REGISTRATION_KEY
, it is important for sending PN Message to GCM. Also keep in mind: this key will be unique for all devices and GCM will send Push Notifications by REGISTRATION_KEY
only.
I am running CentOS 5.6 as my development environment and the following worked for me.
su -
pecl install ssh2
echo "extension=ssh2.so" > /etc/php.d/ssh2.ini
/etc/init.d/httpd restart
Before you try searching for the elements within the iframe you will have to switch Selenium focus to the iframe.
Try this before searching for the elements within the iframe:
driver.switchTo().frame(driver.findElement(By.name("iFrameTitle")));