Strict aliasing is not allowing different pointer types to the same data.
This article should help you understand the issue in full detail.
On Linux it's Monospace
10 pt. (the exact monospace font used may vary on different Linux distributions or versions), on Windows it's Consolas
10 pt., and on OS X it's Menlo Regular
12 pt.
(The color scheme is Neon
, the syntax highlighting is from PackageDev
, and the font is Liberation Mono
This information is found in the Packages/Default
directory (where Packages
is the directory opened by the Preferences ? Browse Packages...
menu option), in the Preferences (OS).sublime-settings
file where OS
is one of Windows
, Linux
, or OSX
.
You should only customize the font (or any other setting) in Packages/User/Preferences.sublime-settings
, opened by Preferences ? Settings—User
, as Settings—Default
is over-written on upgrade, and also serves as a backup in case you really screw something up in your user settings. This is the case for both the main Sublime settings as well as those for extra packages/plugins.
These default fonts are the same in Sublime Text 2, Sublime Text 3, and the new version currently in development.
While you should certainly provide more information, if you are trying to go through each row, you can just iterate with a for loop:
import numpy
m = numpy.ones((3,5),dtype='int')
for row in m:
print str(row)
Also one can use this:
{% if forloop.first %}
or
{% if forloop.last %}
How about:
import copy
d = { ... }
d2 = copy.deepcopy(d)
Python 2 or 3:
Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import copy
>>> my_dict = {'a': [1, 2, 3], 'b': [4, 5, 6]}
>>> my_copy = copy.deepcopy(my_dict)
>>> my_dict['a'][2] = 7
>>> my_copy['a'][2]
3
>>>
Try CONVERT instead of CAST.
CONVERT allows a third parameter indicating the date format.
List of formats is here: http://msdn.microsoft.com/en-us/library/ms187928.aspx
Update after another answer has been selected as the "correct" answer:
I don't really understand why an answer is selected that clearly depends on the NLS settings on your server, without indicating this restriction.
You could fix merge conflicts in a number of ways as other have detailed.
I think the real key is knowing how changes flow with local and remote repositories. The key to this is understanding tracking branches. I have found that I think of the tracking branch as the 'missing piece in the middle' between me my local, actual files directory and the remote defined as origin.
I've personally got into the habit of 2 things to help avoid this.
Instead of:
git add .
git commit -m"some msg"
Which has two drawbacks -
a) All new/changed files get added and that might include some unwanted changes.
b) You don't get to review the file list first.
So instead I do:
git add file,file2,file3...
git commit # Then type the files in the editor and save-quit.
This way you are more deliberate about which files get added and you also get to review the list and think a bit more while using the editor for the message. I find it also improves my commit messages when I use a full screen editor rather than the -m
option.
[Update - as time has passed I've switched more to:
git status # Make sure I know whats going on
git add .
git commit # Then use the editor
]
Also (and more relevant to your situation), I try to avoid:
git pull
or
git pull origin master.
because pull implies a merge and if you have changes locally that you didn't want merged you can easily end up with merged code and/or merge conflicts for code that shouldn't have been merged.
Instead I try to do
git checkout master
git fetch
git rebase --hard origin/master # or whatever branch I want.
You may also find this helpful:
git branch, fork, fetch, merge, rebase and clone, what are the differences?
By using the analytic solution to the barycentric coordinates (pointed out by Andreas Brinck) and:
One can minimize the number of "costly" operations:
function ptInTriangle(p, p0, p1, p2) {
var dX = p.x-p2.x;
var dY = p.y-p2.y;
var dX21 = p2.x-p1.x;
var dY12 = p1.y-p2.y;
var D = dY12*(p0.x-p2.x) + dX21*(p0.y-p2.y);
var s = dY12*dX + dX21*dY;
var t = (p2.y-p0.y)*dX + (p0.x-p2.x)*dY;
if (D<0) return s<=0 && t<=0 && s+t>=D;
return s>=0 && t>=0 && s+t<=D;
}
Code can be pasted in Perro Azul jsfiddle or try it by clicking "Run code snippet" below
var ctx = $("canvas")[0].getContext("2d");_x000D_
var W = 500;_x000D_
var H = 500;_x000D_
_x000D_
var point = { x: W / 2, y: H / 2 };_x000D_
var triangle = randomTriangle();_x000D_
_x000D_
$("canvas").click(function(evt) {_x000D_
point.x = evt.pageX - $(this).offset().left;_x000D_
point.y = evt.pageY - $(this).offset().top;_x000D_
test();_x000D_
});_x000D_
_x000D_
$("canvas").dblclick(function(evt) {_x000D_
triangle = randomTriangle();_x000D_
test();_x000D_
});_x000D_
_x000D_
test();_x000D_
_x000D_
function test() {_x000D_
var result = ptInTriangle(point, triangle.a, triangle.b, triangle.c);_x000D_
_x000D_
var info = "point = (" + point.x + "," + point.y + ")\n";_x000D_
info += "triangle.a = (" + triangle.a.x + "," + triangle.a.y + ")\n";_x000D_
info += "triangle.b = (" + triangle.b.x + "," + triangle.b.y + ")\n";_x000D_
info += "triangle.c = (" + triangle.c.x + "," + triangle.c.y + ")\n";_x000D_
info += "result = " + (result ? "true" : "false");_x000D_
_x000D_
$("#result").text(info);_x000D_
render();_x000D_
}_x000D_
_x000D_
function ptInTriangle(p, p0, p1, p2) {_x000D_
var A = 1/2 * (-p1.y * p2.x + p0.y * (-p1.x + p2.x) + p0.x * (p1.y - p2.y) + p1.x * p2.y);_x000D_
var sign = A < 0 ? -1 : 1;_x000D_
var s = (p0.y * p2.x - p0.x * p2.y + (p2.y - p0.y) * p.x + (p0.x - p2.x) * p.y) * sign;_x000D_
var t = (p0.x * p1.y - p0.y * p1.x + (p0.y - p1.y) * p.x + (p1.x - p0.x) * p.y) * sign;_x000D_
_x000D_
return s > 0 && t > 0 && (s + t) < 2 * A * sign;_x000D_
}_x000D_
_x000D_
function render() {_x000D_
ctx.fillStyle = "#CCC";_x000D_
ctx.fillRect(0, 0, 500, 500);_x000D_
drawTriangle(triangle.a, triangle.b, triangle.c);_x000D_
drawPoint(point);_x000D_
}_x000D_
_x000D_
function drawTriangle(p0, p1, p2) {_x000D_
ctx.fillStyle = "#999";_x000D_
ctx.beginPath();_x000D_
ctx.moveTo(p0.x, p0.y);_x000D_
ctx.lineTo(p1.x, p1.y);_x000D_
ctx.lineTo(p2.x, p2.y);_x000D_
ctx.closePath();_x000D_
ctx.fill();_x000D_
ctx.fillStyle = "#000";_x000D_
ctx.font = "12px monospace";_x000D_
ctx.fillText("1", p0.x, p0.y);_x000D_
ctx.fillText("2", p1.x, p1.y);_x000D_
ctx.fillText("3", p2.x, p2.y);_x000D_
}_x000D_
_x000D_
function drawPoint(p) {_x000D_
ctx.fillStyle = "#F00";_x000D_
ctx.beginPath();_x000D_
ctx.arc(p.x, p.y, 5, 0, 2 * Math.PI);_x000D_
ctx.fill();_x000D_
}_x000D_
_x000D_
function rand(min, max) {_x000D_
return Math.floor(Math.random() * (max - min + 1)) + min;_x000D_
}_x000D_
_x000D_
function randomTriangle() {_x000D_
return {_x000D_
a: { x: rand(0, W), y: rand(0, H) },_x000D_
b: { x: rand(0, W), y: rand(0, H) },_x000D_
c: { x: rand(0, W), y: rand(0, H) }_x000D_
};_x000D_
}
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>_x000D_
<pre>Click: place the point._x000D_
Double click: random triangle.</pre>_x000D_
<pre id="result"></pre>_x000D_
<canvas width="500" height="500"></canvas>
_x000D_
Leading to:
This compares quite well with Kornel Kisielewicz solution (25 recalls, 1 storage, 15 subtractions, 6 multiplications, 5 comparisons), and might be even better if clockwise/counter-clockwise detection is needed (which takes 6 recalls, 1 addition, 2 subtractions, 2 multiplications and 1 comparison in itself, using the analytic solution determinant, as pointed out by rhgb).
There is a slight performance benefit to setting the value in the declaration. If you set it in the constructor it is actually being set twice (first to the default value, then reset in the ctor).
With the introduction of C# 6 (in VS 2015), you can now have get
-only automatic properties, in which the implicit backing field is readonly
(i.e. values can be assigned in the constructor but not elsewhere):
public string Name { get; }
public Customer(string name) // Constructor
{
Name = name;
}
private void SomeFunction()
{
Name = "Something Else"; // Compile-time error
}
And you can now also initialise properties (with or without a setter) inline:
public string Name { get; } = "Boris";
Referring back to the question, this gives you the advantages of option 2 (public member is a property, not a field) with the brevity of option 1.
Unfortunately, it doesn't provide a guarantee of immutability at the level of the public interface (as in @CodesInChaos's point about self-documentation), because to a consumer of the class, having no setter is indistinguishable from having a private setter.
Instead of explicitly writing the class name you could use
this.getClass().getResource("/unibo/lsb/res/dice.jpg");
if you want to use the each function, it should look like this:
$('#formId').children().each(
function(){
//access to form element via $(this)
}
);
Just switch out the closing curly bracket for a close paren. Thanks for pointing it out, jobscry, you saved me some time.
The following works for me.
#include <algorithm>
void toUpperCase(std::string& str)
{
std::transform(str.begin(), str.end(), str.begin(), ::toupper);
}
int main()
{
std::string str = "hello";
toUpperCase(&str);
}
I had similiar issue but only with Chrome, Firefox was working. I noticed that Chrome was adding an Origin parameter in the header request.
So in my nginx.conf I added the parameter to avoid it under location/ block
proxy_set_header Origin "";
Im not sure If this will help anyone but I was getting this error (although I was using php to create it instead of the command line) and to fix it I had to ensure that no old .key or .pem files were in the directory I was looking at. By deleting them and making fresh files with the authentication it worked perfectly!
I would suggest using R and the package RSQLite
#install.packages("RSQLite") #perhaps needed
library("RSQLite")
# connect to the sqlite file
sqlite <- dbDriver("SQLite")
exampledb <- dbConnect(sqlite,"database.sqlite")
dbListTables(exampledb)
This function is to convert duration in minutes to readable hours and minutes format. i.e 2h30m. It eliminates the hours if the duration is less than one hour, and shows only the hours if the duration in hours with no extra minutes.
CREATE FUNCTION [dbo].[MinutesToDuration]
(
@minutes int
)
RETURNS nvarchar(30)
AS
BEGIN
declare @hours nvarchar(20)
SET @hours =
CASE WHEN @minutes >= 60 THEN
(SELECT CAST((@minutes / 60) AS VARCHAR(2)) + 'h' +
CASE WHEN (@minutes % 60) > 0 THEN
CAST((@minutes % 60) AS VARCHAR(2)) + 'm'
ELSE
''
END)
ELSE
CAST((@minutes % 60) AS VARCHAR(2)) + 'm'
END
return @hours
END
To use this function :
SELECT dbo.MinutesToDuration(23)
Results: 23m
SELECT dbo.MinutesToDuration(120)
Results: 2h
SELECT dbo.MinutesToDuration(147)
Results: 2h27m
Hope this helps!
Given your edited problem description, I'd suggest using COALESCE()
instead of that unwieldy CASE
expression:
SELECT FullName
FROM (
SELECT COALESCE(LastName+', '+FirstName, FirstName) AS FullName
FROM customers
) c
GROUP BY FullName;
I could see that there is a better library than the apache commons exec library. You can execute your job using Java Secure Shell (JSch).
I had the same problem. I used JSch to solve this problem. Apache commons had some issues running commands on a different server. Plus JSch gave me result and errors InputStreams. I found it more elegant. Sample solution can be found here : http://wiki.jsch.org/index.php?Manual%2FExamples%2FJschExecExample
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.commons.exec.*;
import com.jcraft.*;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.ChannelExec;
import java.util.Arrays;
import java.util.List;
import java.util.ArrayList;
import java.util.HashMap;
public class exec_linux_cmd {
public HashMap<String,List<String>> exec_cmd (
String USERNAME,
String PASSWORD,
String host,
int port,
String cmd)
{
List<String> result = new ArrayList<String>();
List<String> errors = new ArrayList<String>();
HashMap<String,List<String>> result_map = new HashMap<String,List<String>>();
//String line = "echo `eval hostname`";
try{
JSch jsch = new JSch();
/*
* Open a new session, with your username, host and port
* Set the password and call connect.
* session.connect() opens a new connection to remote SSH server.
* Once the connection is established, you can initiate a new channel.
* this channel is needed to connect and remotely execute the program
*/
Session session = jsch.getSession(USERNAME, host, port);
session.setConfig("StrictHostKeyChecking", "no");
session.setPassword(PASSWORD);
session.connect();
//create the excution channel over the session
ChannelExec channelExec = (ChannelExec)session.openChannel("exec");
// Gets an InputStream for this channel. All data arriving in as messages from the remote side can be read from this stream.
InputStream in = channelExec.getInputStream();
InputStream err = channelExec.getErrStream();
// Set the command that you want to execute
// In our case its the remote shell script
channelExec.setCommand(cmd);
//Execute the command
channelExec.connect();
// read the results stream
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
// read the errors stream. This will be null if no error occured
BufferedReader err_reader = new BufferedReader(new InputStreamReader(err));
String line;
//Read each line from the buffered reader and add it to result list
// You can also simple print the result here
while ((line = reader.readLine()) != null)
{
result.add(line);
}
while ((line = err_reader.readLine()) != null)
{
errors.add(line);
}
//retrieve the exit status of the remote command corresponding to this channel
int exitStatus = channelExec.getExitStatus();
System.out.println(exitStatus);
//Safely disconnect channel and disconnect session. If not done then it may cause resource leak
channelExec.disconnect();
session.disconnect();
System.out.println(exitStatus);
result_map.put("result", result);
result_map.put("error", errors);
if(exitStatus < 0){
System.out.println("Done--> " + exitStatus);
System.out.println(Arrays.asList(result_map));
//return errors;
}
else if(exitStatus > 0){
System.out.println("Done -->" + exitStatus);
System.out.println(Arrays.asList(result_map));
//return errors;
}
else{
System.out.println("Done!");
System.out.println(Arrays.asList(result_map));
//return result;
}
}
catch (Exception e)
{
System.out.print(e);
}
return result_map;
}
//CommandLine commandLine = CommandLine.parse(cmd);
//DefaultExecutor executor = new DefaultExecutor();
//executor.setExitValue(1);
//int exitValue = executor.execute(commandLine);
public static void main(String[] args)
{
//String line = args[0];
final String USERNAME ="abc"; // username for remote host
final String PASSWORD ="abc"; // password of the remote host
final String host = "3.98.22.10"; // remote host address
final int port=22; // remote host port
HashMap<String,List<String>> result = new HashMap<String,List<String>>();
//String cmd = "echo `eval hostname`"; // command to execute on remote host
exec_linux_cmd ex = new exec_linux_cmd();
result = ex.exec_cmd(USERNAME, PASSWORD , host, port, cmd);
System.out.println("Result ---> " + result.get("result"));
System.out.println("Error Msg ---> " +result.get("error"));
//System.out.println(Arrays.asList(result));
/*
for (int i =0; i < result.get("result").size();i++)
{
System.out.println(result.get("result").get(i));
}
*/
}
}
EDIT 1: In order to find your process (if its a long-running one) being executed on Unix, use the ps -aux | grep java
. The process ID should be listed alongwith the unix command you are executing.
This should work and protect your form from being submitted if the number of files is greater then max_file_number.
$(function() {
var // Define maximum number of files.
max_file_number = 3,
// Define your form id or class or just tag.
$form = $('form'),
// Define your upload field class or id or tag.
$file_upload = $('#image_upload', $form),
// Define your submit class or id or tag.
$button = $('.submit', $form);
// Disable submit button on page ready.
$button.prop('disabled', 'disabled');
$file_upload.on('change', function () {
var number_of_images = $(this)[0].files.length;
if (number_of_images > max_file_number) {
alert(`You can upload maximum ${max_file_number} files.`);
$(this).val('');
$button.prop('disabled', 'disabled');
} else {
$button.prop('disabled', false);
}
});
});
Actually there is a simpler way to do this, just:
if ($("#input").is(':empty')) {
console.log('empty');
} else {
console.log('not empty');
}
src: https://www.geeksforgeeks.org/how-to-check-an-html-element-is-empty-using-jquery/
The problem you're running into is that you're trying to replace an entire row object. That is not allowed by the DataTable API. Instead you have to update the values in the columns of a row object. Or add a new row to the collection.
To update the column of a particular row you can access it by name or index. For instance you could write the following code to update the column "Foo" to be the value strVerse
dtResult.Rows(i)("Foo") = strVerse
Dirty way to find running services. (sometime it is not accurate because some custom script doesn't have |status| option)
[root@server ~]# for qw in `ls /etc/init.d/*`; do $qw status | grep -i running; done
auditd (pid 1089) is running...
crond (pid 1296) is running...
fail2ban-server (pid 1309) is running...
httpd (pid 7895) is running...
messagebus (pid 1145) is running...
mysqld (pid 1994) is running...
master (pid 1272) is running...
radiusd (pid 1712) is running...
redis-server (pid 1133) is running...
rsyslogd (pid 1109) is running...
openssh-daemon (pid 7040) is running...
NSDictionary *defaultsDictionary = [[NSUserDefaults standardUserDefaults] dictionaryRepresentation];
for (NSString *key in [defaultsDictionary allKeys]) {
[[NSUserDefaults standardUserDefaults] removeObjectForKey:key];
}
Just had same problem. Using Xcode 8.3.3 and wanted to use AppIcon in Assests catalogue. Tried all sorts of Stack Overflow answers without success.
Finally learned about a deep clean step from Ken/Apple Forum:
added a new asset catalogue and called it "Assets" right clicked in Assets folder and added new app icon set - changed that one in inspector to be for iOS >=7 triple
checked all my icon files OUTSIDE of Xcode (all were already png files of right resolution, but some had still colour profile attached from photoshop elements or did have indexed colour instead of RGB profile. so I made sure I only save a png file without colour profile and from a background layer) - not sure that was necessary
Whilst the listed answer is correct, may I suggest that if your column is to hold case sensitive strings you read the documentation and alter your table definition accordingly.
In my case this amounted to defining my column as:
`tag` varchar(255) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL DEFAULT ''
This is in my opinion preferential to adjusting your queries.
My problem is cookies are not working "within" the same session. –
Burak: I had the same problem. Enabling cookies fixed the issue.
CookieManager.getInstance().setAcceptCookie(true);
format
is definitely the most elegant way, but afaik you can't use that with python's logging
module, so here's how you can do it using the %
formatting:
formatter = logging.Formatter(
fmt='%(asctime)s | %(name)-20s | %(levelname)-10s | %(message)s',
)
Here, the -
indicates left-alignment, and the number before s
indicates the fixed width.
Some sample output:
2017-03-14 14:43:42,581 | this-app | INFO | running main
2017-03-14 14:43:42,581 | this-app.aux | DEBUG | 5 is an int!
2017-03-14 14:43:42,581 | this-app.aux | INFO | hello
2017-03-14 14:43:42,581 | this-app | ERROR | failed running main
More info at the docs here: https://docs.python.org/2/library/stdtypes.html#string-formatting-operations
jquery:
$('div.animalcontent').hide();
$('div').hide();
$('p.animal').bind('mouseover', function() {
$('div.animalcontent').fadeOut();
$('#'+$(this).attr('id')+'content').fadeIn();
});
html:
<p class='animal' id='dog'>dog url</p><div id='dogcontent' class='animalcontent'>Doggiecontent!</div>
<p class='animal' id='cat'>cat url</p><div id='catcontent' class='animalcontent'>Pussiecontent!</div>
<p class='animal' id='snake'>snake url</p><div id='snakecontent'class='animalcontent'>Snakecontent!</div>
-edit-
yeah sure, here you go -- JSFiddle
I also had this issue and ended up using Andy's code to create a function to clean things up when multiple commands need to be run.
It'll return stderr, stdout, and exit codes as objects. One thing to note: the function won't accept .\
in the path; full paths must be used.
Function Execute-Command ($commandTitle, $commandPath, $commandArguments)
{
$pinfo = New-Object System.Diagnostics.ProcessStartInfo
$pinfo.FileName = $commandPath
$pinfo.RedirectStandardError = $true
$pinfo.RedirectStandardOutput = $true
$pinfo.UseShellExecute = $false
$pinfo.Arguments = $commandArguments
$p = New-Object System.Diagnostics.Process
$p.StartInfo = $pinfo
$p.Start() | Out-Null
$p.WaitForExit()
[pscustomobject]@{
commandTitle = $commandTitle
stdout = $p.StandardOutput.ReadToEnd()
stderr = $p.StandardError.ReadToEnd()
ExitCode = $p.ExitCode
}
}
Here's how to use it:
$DisableACMonitorTimeOut = Execute-Command -commandTitle "Disable Monitor Timeout" -commandPath "C:\Windows\System32\powercfg.exe" -commandArguments " -x monitor-timeout-ac 0"
Also make sure to update your Oracle VM Virtual Box. I tried everything but later realized that the issue was due to the use of older version of Virtual Box.
For those wondering if jQuery id selectors are slower than document.getElementById, the answer is yes, but not because of the preconception that it searches through the entire DOM looking for an element. jQuery does actually use the native method. It's actually because jQuery uses a regular expression first to separate out strings in the selector to check by, and of course running the constructor:
rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/
Whereas using a DOM element as an argument returns immediately with 'this'.
So this:
$(document.getElementById('blah')).doSomething();
Will always be faster than this:
$('#blah').doSomething();
To send image along with json data in postman you just have to follow the below steps .
my controller :
public function sendImage(Request $request)
{
$image=new ImgUpload;
if($request->hasfile('image'))
{
$file=$request->file('image');
$extension=$file->getClientOriginalExtension();
$filename=time().'.'.$extension;
$file->move('public/upload/userimg/',$filename);
$image->image=$filename;
}
else
{
return $request;
$image->image='';
}
$image->save();
return response()->json(['response'=>['code'=>'200','message'=>'image uploaded successfull']]);
}
That's it hope it will help you
To convert from hex to decimal, there are many ways to do it in the shell or with an external program:
With bash:
$ echo $((16#FF))
255
with bc:
$ echo "ibase=16; FF" | bc
255
with perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e 'p "FF".to_i(16)'
255
with node.js:
$ nodejs <<< "console.log(parseInt('FF', 16))"
255
with rhino:
$ rhino<<EOF
print(parseInt('FF', 16))
EOF
...
255
with groovy:
$ groovy -e 'println Integer.parseInt("FF",16)'
255
Inner join, join two table where column name is same.
Natural join, join two table where column name and data types are same.
In objectMapper we have writeValueAsString() which accepts object as parameter. We can pass object list as parameter get the string back.
List<Apartment> aptList = new ArrayList<Apartment>();
Apartment aptmt = null;
for(int i=0;i<5;i++){
aptmt= new Apartment();
aptmt.setAptName("Apartment Name : ArrowHead Ranch");
aptmt.setAptNum("3153"+i);
aptmt.setPhase((i+1));
aptmt.setFloorLevel(i+2);
aptList.add(aptmt);
}
mapper.writeValueAsString(aptList)
Two Answers
1. Answer to the asked question.
2. A simple change equals a better way!
Answer 1 - Pass the Vars Array to the __construct() in a class, you could also leave the construct empty and pass the Arrays through your functions instead.
<?php
// Create an Array with all needed Sub Arrays Example:
// Example Sub Array 1
$content_arrays["modals"]= array();
// Example Sub Array 2
$content_arrays["js_custom"] = array();
// Create a Class
class Array_Pushing_Example_1 {
// Public to access outside of class
public $content_arrays;
// Needed in the class only
private $push_value_1;
private $push_value_2;
private $push_value_3;
private $push_value_4;
private $values;
private $external_values;
// Primary Contents Array as Parameter in __construct
public function __construct($content_arrays){
// Declare it
$this->content_arrays = $content_arrays;
}
// Push Values from in the Array using Public Function
public function array_push_1(){
// Values
$this->push_values_1 = array(1,"2B or not 2B",3,"42",5);
$this->push_values_2 = array("a","b","c");
// Loop Values and Push Values to Sub Array
foreach($this->push_values_1 as $this->values){
$this->content_arrays["js_custom"][] = $this->values;
}
// Loop Values and Push Values to Sub Array
foreach($this->push_values_2 as $this->values){
$this->content_arrays["modals"][] = $this->values;
}
// Return Primary Array with New Values
return $this->content_arrays;
}
// GET Push Values External to the Class with Public Function
public function array_push_2($external_values){
$this->push_values_3 = $external_values["values_1"];
$this->push_values_4 = $external_values["values_2"];
// Loop Values and Push Values to Sub Array
foreach($this->push_values_3 as $this->values){
$this->content_arrays["js_custom"][] = $this->values;
}
// Loop Values and Push Values to Sub Array
foreach($this->push_values_4 as $this->values){
$this->content_arrays["modals"][] = $this->values;
}
// Return Primary Array with New Values
return $this->content_arrays;
}
}
// Start the Class with the Contents Array as a Parameter
$content_arrays = new Array_Pushing_Example_1($content_arrays);
// Push Internal Values to the Arrays
$content_arrays->content_arrays = $content_arrays->array_push_1();
// Push External Values to the Arrays
$external_values = array();
$external_values["values_1"] = array("car","house","bike","glass");
$external_values["values_2"] = array("FOO","foo");
$content_arrays->content_arrays = $content_arrays->array_push_2($external_values);
// The Output
echo "Array Custom Content Results 1";
echo "<br>";
echo "<br>";
echo "Modals - Count: ".count($content_arrays->content_arrays["modals"]);
echo "<br>";
echo "-------------------";
echo "<br>";
// Get Modals Array Results
foreach($content_arrays->content_arrays["modals"] as $modals){
echo $modals;
echo "<br>";
}
echo "<br>";
echo "JS Custom - Count: ".count($content_arrays->content_arrays["js_custom"]);
echo "<br>";
echo "-------------------";
echo "<br>";
// Get JS Custom Array Results
foreach($content_arrays->content_arrays["js_custom"] as $js_custom){
echo $js_custom;
echo "<br>";
}
echo "<br>";
?>
Answer 2 - A simple change however would put it inline with modern standards. Just declare your Arrays in the Class.
<?php
// Create a Class
class Array_Pushing_Example_2 {
// Public to access outside of class
public $content_arrays;
// Needed in the class only
private $push_value_1;
private $push_value_2;
private $push_value_3;
private $push_value_4;
private $values;
private $external_values;
// Declare Contents Array and Sub Arrays in __construct
public function __construct(){
// Declare them
$this->content_arrays["modals"] = array();
$this->content_arrays["js_custom"] = array();
}
// Push Values from in the Array using Public Function
public function array_push_1(){
// Values
$this->push_values_1 = array(1,"2B or not 2B",3,"42",5);
$this->push_values_2 = array("a","b","c");
// Loop Values and Push Values to Sub Array
foreach($this->push_values_1 as $this->values){
$this->content_arrays["js_custom"][] = $this->values;
}
// Loop Values and Push Values to Sub Array
foreach($this->push_values_2 as $this->values){
$this->content_arrays["modals"][] = $this->values;
}
// Return Primary Array with New Values
return $this->content_arrays;
}
// GET Push Values External to the Class with Public Function
public function array_push_2($external_values){
$this->push_values_3 = $external_values["values_1"];
$this->push_values_4 = $external_values["values_2"];
// Loop Values and Push Values to Sub Array
foreach($this->push_values_3 as $this->values){
$this->content_arrays["js_custom"][] = $this->values;
}
// Loop Values and Push Values to Sub Array
foreach($this->push_values_4 as $this->values){
$this->content_arrays["modals"][] = $this->values;
}
// Return Primary Array with New Values
return $this->content_arrays;
}
}
// Start the Class without the Contents Array as a Parameter
$content_arrays = new Array_Pushing_Example_2();
// Push Internal Values to the Arrays
$content_arrays->content_arrays = $content_arrays->array_push_1();
// Push External Values to the Arrays
$external_values = array();
$external_values["values_1"] = array("car","house","bike","glass");
$external_values["values_2"] = array("FOO","foo");
$content_arrays->content_arrays = $content_arrays->array_push_2($external_values);
// The Output
echo "Array Custom Content Results 1";
echo "<br>";
echo "<br>";
echo "Modals - Count: ".count($content_arrays->content_arrays["modals"]);
echo "<br>";
echo "-------------------";
echo "<br>";
// Get Modals Array Results
foreach($content_arrays->content_arrays["modals"] as $modals){
echo $modals;
echo "<br>";
}
echo "<br>";
echo "JS Custom - Count: ".count($content_arrays->content_arrays["js_custom"]);
echo "<br>";
echo "-------------------";
echo "<br>";
// Get JS Custom Array Results
foreach($content_arrays->content_arrays["js_custom"] as $js_custom){
echo $js_custom;
echo "<br>";
}
echo "<br>";
?>
Both options output the same information and allow a function to push and retrieve information from an Array and sub Arrays to any place in the code(Given that the data has been pushed first). The second option gives more control over how the data is used and protected. They can be used as is just modify to your needs but if they were used to extend a Controller they could share their values among any of the Classes the Controller is using. Neither method requires the use of a Global(s).
Output:
Array Custom Content Results
Modals - Count: 5
a
b
c
FOO
foo
JS Custom - Count: 9
1
2B or not 2B
3
42
5
car
house
bike
glass
After all i got the answer thanks to wikisona, first the beans:
@Bean
public TomcatEmbeddedServletContainerFactory tomcatFactory() {
return new TomcatEmbeddedServletContainerFactory() {
@Override
protected TomcatEmbeddedServletContainer getTomcatEmbeddedServletContainer(
Tomcat tomcat) {
tomcat.enableNaming();
return super.getTomcatEmbeddedServletContainer(tomcat);
}
@Override
protected void postProcessContext(Context context) {
ContextResource resource = new ContextResource();
resource.setName("jdbc/myDataSource");
resource.setType(DataSource.class.getName());
resource.setProperty("driverClassName", "your.db.Driver");
resource.setProperty("url", "jdbc:yourDb");
context.getNamingResources().addResource(resource);
}
};
}
@Bean(destroyMethod="")
public DataSource jndiDataSource() throws IllegalArgumentException, NamingException {
JndiObjectFactoryBean bean = new JndiObjectFactoryBean();
bean.setJndiName("java:comp/env/jdbc/myDataSource");
bean.setProxyInterface(DataSource.class);
bean.setLookupOnStartup(false);
bean.afterPropertiesSet();
return (DataSource)bean.getObject();
}
the full code it's here: https://github.com/wilkinsona/spring-boot-sample-tomcat-jndi
You can use this:
myDropDown.Items.Remove(myDropDown.Items.FindByValue("TextToFind"));
How about calling a function from within your callback instead of returning a value in sync_call()?
function sync_call(input) {
var value;
// Assume the async call always succeed
async_call(input, function(result) {
value = result;
use_value(value);
} );
}
As seen in Install crontab on CentOS, the crontab package in CentOS is vixie-cron
. Hence, do install it with:
yum install vixie-cron
And then start it with:
service crond start
To make it persistent, so that it starts on boot, use:
chkconfig crond on
On CentOS 7 you need to use cronie
:
yum install cronie
On CentOS 6 you can install vixie-cron
, but the real package is cronie
:
yum install vixie-cron
and
yum install cronie
In both cases you get the same output:
.../...
==================================================================
Package Arch Version Repository Size
==================================================================
Installing:
cronie x86_64 1.4.4-12.el6 base 73 k
Installing for dependencies:
cronie-anacron x86_64 1.4.4-12.el6 base 30 k
crontabs noarch 1.10-33.el6 base 10 k
exim x86_64 4.72-6.el6 epel 1.2 M
Transaction Summary
==================================================================
Install 4 Package(s)
Does the race conditions really matter if you first try an update followed by an insert? Lets say you have two threads that want to set a value for key key:
Thread 1: value = 1
Thread 2: value = 2
Example race condition scenario
The other thread fails with insert (with error duplicate key) - thread 2.
But; in a multithreaded environment, the OS scheduler decides on the order of the thread execution - in the above scenario, where we have this race condition, it was the OS that decided on the sequence of execution. Ie: It is wrong to say that "thread 1" or "thread 2" was "first" from a system viewpoint.
When the time of execution is so close for thread 1 and thread 2, the outcome of the race condition doesn't matter. The only requirement should be that one of the threads should define the resulting value.
For the implementation: If update followed by insert results in error "duplicate key", this should be treated as success.
Also, one should of course never assume that value in the database is the same as the value you wrote last.
You can have static classes in PHP but they don't call the constructor automatically (if you try and call self::__construct()
you'll get an error).
Therefore you'd have to create an initialize()
function and call it in each method:
<?php
class Hello
{
private static $greeting = 'Hello';
private static $initialized = false;
private static function initialize()
{
if (self::$initialized)
return;
self::$greeting .= ' There!';
self::$initialized = true;
}
public static function greet()
{
self::initialize();
echo self::$greeting;
}
}
Hello::greet(); // Hello There!
?>
On Bootstrap 4 you can use:
<p class="font-weight-bold">Bold text.</p>
<p class="font-weight-normal">Normal weight text.</p>
<p class="font-weight-light">Light weight text.</p>
Uncaught exception messages go to STDERR, so instead of implementing your logging in Python itself you could send STDERR to a file using whatever shell you're using to run your Python script. In a Bash script, you can do this with output redirection, as described in the BASH guide.
Append errors to file, other output to the terminal:
./test.py 2>> mylog.log
Overwrite file with interleaved STDOUT and STDERR output:
./test.py &> mylog.log
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.
There is no built-in function. You could write one
CREATE FUNCTION is_numeric( p_str IN VARCHAR2 )
RETURN NUMBER
IS
l_num NUMBER;
BEGIN
l_num := to_number( p_str );
RETURN 1;
EXCEPTION
WHEN value_error
THEN
RETURN 0;
END;
and/or
CREATE FUNCTION my_to_number( p_str IN VARCHAR2 )
RETURN NUMBER
IS
l_num NUMBER;
BEGIN
l_num := to_number( p_str );
RETURN l_num;
EXCEPTION
WHEN value_error
THEN
RETURN NULL;
END;
You can then do
IF( is_numeric( str ) = 1 AND
my_to_number( str ) >= 1000 AND
my_to_number( str ) <= 7000 )
If you happen to be using Oracle 12.2 or later, there are enhancements to the to_number
function that you could leverage
IF( to_number( str default null on conversion error ) >= 1000 AND
to_number( str default null on conversion error ) <= 7000 )
To answer your question: no, it's not possible to have multiple versions of IE (if that is what you meant) installed in a 'normal' way (i.e. not a hack, a sandbox or a VM etc). It's perfectly ok to have multiple browsers of different types installed on the same machine, such as IE8, Firefox 3 and Chrome all at once.
SandboxIE should allow you to install multiple versions of IE side-by-side (as well as other software), and this is less hassle than going down the virtual machine route.
However, from a QA point of view I'd strongly recommend installing different versions on different machines as the best option from a testing point of view. This will give you the most realistic testing environment. If you don't have the hardware for that, then virtual machines are the next best option as mentioned in some of the other answers.
Here is a simple and elegant way of getting filtered files
var allowedFileExtensions = ".csv,.txt";
var files = Directory.EnumerateFiles(@"C:\MyFolder", "*.*", SearchOption.TopDirectoryOnly)
.Where(s => allowedFileExtensions.IndexOf(Path.GetExtension(s)) > -1).ToArray();
On smaller screen's like laptop the dialog will shrink. To auto-fix, try the following option
Additional Reading https://material.angular.io/cdk/layout/overview
Thanks to the solution in answersicouldntfindanywhereelse (2nd para). it worked for me.
Following is needed
import { Breakpoints, BreakpointObserver } from '@angular/cdk/layout'
You can use:
adb shell monkey -p com.package.name -c android.intent.category.LAUNCHER 1
This will start the LAUNCHER Activity of the application using monkeyrunner test tool.
// Create lag time before redirecting
setTimeout(function() {
window.location.href = "thankyou.php";
}, 2000);
$errors=null;
if ( ($name == "Name") ) {
$errors = $nameError; // no name entered
}
if ( ($email == "E-mail address") ) {
$errors .= $emailError; // no email address entered
}
if ( !(preg_match($match,$email)) ) {
$errors .= $invalidEmailError; // checks validity of email
}
if ( $spam != "10" ) {
$errors .= $spamError; // spam error
}
if ( !($errors) ) {
mail ($to, $subject, $message, $headers);
echo "Your message was successfully sent!";
//instead of echoing this message, I want a page redirect to thankyou.html
// redirect
setTimeout();
} else {
echo "<p id='errors'>";
echo $errors;
echo "</p>";
}
Check this one:
public static void main(String[] args) {
String input = null;
int number = 0;
try {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
input = bufferedReader.readLine();
number = Integer.parseInt(input);
} catch (NumberFormatException ex) {
System.out.println("Not a number !");
} catch (IOException e) {
e.printStackTrace();
}
}
If you just want to experiment, there's an Objective-C compiler for .NET (Windows) here: qckapp
Following on from Lennart, there's also numpy which implements homogeneous multi-dimensional arrays.
Also check it
jQuery: Customizable layout using drag and drop (examples)
Although PHP_INT_*
constants exist for a very long time, the same MIN / MAX values could be found programmatically by left shifting until reaching the negative number:
$x = 1;
while ($x > 0 && $x <<= 1);
echo "MIN: ", $x;
echo PHP_EOL;
echo "MAX: ", ~$x;
There seems to be multiple modules to do that, some are deprecated.
This one looks active:
https://github.com/jshttp/basic-auth
Here's a use example:
// auth.js
var auth = require('basic-auth');
var admins = {
'[email protected]': { password: 'pa$$w0rd!' },
};
module.exports = function(req, res, next) {
var user = auth(req);
if (!user || !admins[user.name] || admins[user.name].password !== user.pass) {
res.set('WWW-Authenticate', 'Basic realm="example"');
return res.status(401).send();
}
return next();
};
// app.js
var auth = require('./auth');
var express = require('express');
var app = express();
// ... some not authenticated middlewares
app.use(auth);
// ... some authenticated middlewares
Make sure you put the auth
middleware in the correct place, any middleware before that will not be authenticated.
You can achieve customized radio buttons in two pure CSS ways
Via removing standard appearance using CSS appearance
and applying custom appearance. Unfortunately this was doesn't work in IE for Desktop (but works in IE for Windows Phone). Demo:
input[type="radio"] {
/* remove standard background appearance */
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
/* create custom radiobutton appearance */
display: inline-block;
width: 25px;
height: 25px;
padding: 6px;
/* background-color only for content */
background-clip: content-box;
border: 2px solid #bbbbbb;
background-color: #e7e6e7;
border-radius: 50%;
}
/* appearance for checked radiobutton */
input[type="radio"]:checked {
background-color: #93e026;
}
/* optional styles, I'm using this for centering radiobuttons */
.flex {
display: flex;
align-items: center;
}
_x000D_
<div class="flex">
<input type="radio" name="radio" id="radio1" />
<label for="radio1">RadioButton1</label>
</div>
<div class="flex">
<input type="radio" name="radio" id="radio2" />
<label for="radio2">RadioButton2</label>
</div>
<div class="flex">
<input type="radio" name="radio" id="radio3" />
<label for="radio3">RadioButton3</label>
</div>
_x000D_
Via hiding radiobutton and setting custom radiobutton appearance to label
's pseudoselector. By the way no need for absolute positioning here (I see absolute positioning in most demos). Demo:
*,
*:before,
*:after {
box-sizing: border-box;
}
input[type="radio"] {
display: none;
}
input[type="radio"]+label:before {
content: "";
/* create custom radiobutton appearance */
display: inline-block;
width: 25px;
height: 25px;
padding: 6px;
margin-right: 3px;
/* background-color only for content */
background-clip: content-box;
border: 2px solid #bbbbbb;
background-color: #e7e6e7;
border-radius: 50%;
}
/* appearance for checked radiobutton */
input[type="radio"]:checked + label:before {
background-color: #93e026;
}
/* optional styles, I'm using this for centering radiobuttons */
label {
display: flex;
align-items: center;
}
_x000D_
<input type="radio" name="radio" id="radio1" />
<label for="radio1">RadioButton1</label>
<input type="radio" name="radio" id="radio2" />
<label for="radio2">RadioButton2</label>
<input type="radio" name="radio" id="radio3" />
<label for="radio3">RadioButton3</label>
_x000D_
new Date().toISOString().split('T')[0];
Globally install Composer on OS X 10.11 El Capitan
This command will NOT work in OS X 10.11:
curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/bin --filename=composer
Instead, let's write to the /usr/local/bin path for the user:
curl -sS https://getcomposer.org/installer | sudo php -- --install-dir=/usr/local/bin --filename=composer
Now we can access the composer command globally, just like before.
Struggled with the same problem: Many applications, BUT make at least this part "pleasant": The trick is called Batch-Uninstall
.
So use one of these three programs i can recommend:
Take no.2 in imho, 1 is nice but sometimes encounters some bugs :-)
this is answer for your question.
GridViewRow gvr = (GridViewRow)((ImageButton)e.CommandSource).NamingContainer;
int RowIndex = gvr.RowIndex;
You can do this a number of non-DNS ways. The landing page at subdomain.hostone.com can have an HTTP redirect. The webserver at hostone.com can be configured to redirect (easy in Apache, not sure about IIS), etc.
I was looking for something and I found this post. I post this code that managed many-to-many relationships in case someone needs it.
var UserInRole = db.UsersInRoles.Include(u => u.UserProfile).Include(u => u.Roles)
.Select (m => new
{
UserName = u.UserProfile.UserName,
RoleName = u.Roles.RoleName
});
For some reason Brice's answer is not working for me. I was able to manipulate it a bit to get it to work. It might just be because I have a newer version of PowerMock. I'm using 1.6.5.
import java.util.Random;
public class CodeWithPrivateMethod {
public void meaningfulPublicApi() {
if (doTheGamble("Whatever", 1 << 3)) {
throw new RuntimeException("boom");
}
}
private boolean doTheGamble(String whatever, int binary) {
Random random = new Random(System.nanoTime());
boolean gamble = random.nextBoolean();
return gamble;
}
}
The test class looks as follows:
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.anyString;
import static org.powermock.api.mockito.PowerMockito.doReturn;
@RunWith(PowerMockRunner.class)
@PrepareForTest(CodeWithPrivateMethod.class)
public class CodeWithPrivateMethodTest {
private CodeWithPrivateMethod classToTest;
@Test(expected = RuntimeException.class)
public void when_gambling_is_true_then_always_explode() throws Exception {
classToTest = PowerMockito.spy(classToTest);
doReturn(true).when(classToTest, "doTheGamble", anyString(), anyInt());
classToTest.meaningfulPublicApi();
}
}
I run into this problem as well, the case with me was incorrect naming . I was migrating from local server to online server. my SQL command had "database.tablename.column" structure. the name of database in online server was different. for example my code was "pet.item.name" while it needed to be "pet_app.item.name" changing database name solved my problem.
This solved my 720 problem. The idea is to change the driver of the faulty WAN to another network adaptar driver, and then we are able to uninstall the WAN device and then reboot the system.
It's not generally correct that you can "remove an item from a database" with both methods. To be precise it is like so:
ObjectContext.DeleteObject(entity)
marks the entity as Deleted
in the context. (It's EntityState
is Deleted
after that.) If you call SaveChanges
afterwards EF sends a SQL DELETE
statement to the database. If no referential constraints in the database are violated the entity will be deleted, otherwise an exception is thrown.
EntityCollection.Remove(childEntity)
marks the relationship between parent and childEntity
as Deleted
. If the childEntity
itself is deleted from the database and what exactly happens when you call SaveChanges
depends on the kind of relationship between the two:
If the relationship is optional, i.e. the foreign key that refers from the child to the parent in the database allows NULL
values, this foreign will be set to null and if you call SaveChanges
this NULL
value for the childEntity
will be written to the database (i.e. the relationship between the two is removed). This happens with a SQL UPDATE
statement. No DELETE
statement occurs.
If the relationship is required (the FK doesn't allow NULL
values) and the relationship is not identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject
then). If you don't do any of these a referential constraint is violated and EF will throw an exception when you call SaveChanges
- the infamous "The relationship could not be changed because one or more of the foreign-key properties is non-nullable" exception or similar.
If the relationship is identifying (it's necessarily required then because any part of the primary key cannot be NULL
) EF will mark the childEntity
as Deleted
as well. If you call SaveChanges
a SQL DELETE
statement will be sent to the database. If no other referential constraints in the database are violated the entity will be deleted, otherwise an exception is thrown.
I am actually a bit confused about the Remarks section on the MSDN page you have linked because it says: "If the relationship has a referential integrity constraint, calling the Remove method on a dependent object marks both the relationship and the dependent object for deletion.". This seems unprecise or even wrong to me because all three cases above have a "referential integrity constraint" but only in the last case the child is in fact deleted. (Unless they mean with "dependent object" an object that participates in an identifying relationship which would be an unusual terminology though.)
Use height()
:
var result = $("#myDiv").height();
alert(result);
This will give you the unit-less computed height in pixels. "px" will be stripped from the result. I.e. if the height is 400px, the result will be 400, but the result will be in pixels.
If you want to do it without jQuery, you can use plain JavaScript:
var result = document.getElementById("myDiv").offsetHeight;
Change your onCreateOptionsMenu
method to return true
. To quote the docs:
You must return true for the menu to be displayed; if you return false it will not be shown.
A.splice(0);
I just did this on some code I am working on. It cleared the array.
For me (Mac user) the problem was that the keychain already had an entry stored for my credentials, but the access rights were not right.
Deleting the entry in the key chain app and then recreating it by using svn fixed the issue.
From XMLGregorianCalendar to java.util.Date you can simply do:
java.util.Date dt = xmlGregorianCalendarInstance.toGregorianCalendar().getTime();
With ANY operator you can search for only one value.
For example,
select * from mytable where 'Book' = ANY(pub_types);
If you want to search multiple values, you can use @> operator.
For example,
select * from mytable where pub_types @> '{"Journal", "Book"}';
You can specify in which ever order you like.
cd /usr/local
git status
git status
til it's cleanbrew update
Additionally if someone have a use case where he needs group names before executing search on Regex object he can use:
var regex = new Regex(pattern); // initialized somewhere
// ...
var groupNames = regex.GetGroupNames();
adjust video start and end time when using the video tag in html5;
http://www.yoursite.com/yourfolder/yourfile.mp4#t=5,15
where left of comma is start time in seconds, right of comma is end time in seconds. drop the comma and end time to effect the start time only.
I found a solution to this. It's bloody witchcraft, but it works.
When you install the client, open Control Panel > Network Connections.
You'll see a disabled network connection that was added by the TAP installer (Local Area Connection 3 or some such).
Right Click it, click Enable.
The device will not reset itself to enabled, but that's ok; try connecting w/ the client again. It'll work.
try this package, works wonders, and was made for date/time...
library(lubridate)
Portfolio$Date2 <- mdy(Portfolio.all$Date2)
you may be create function before so, update your function again using.
Alter FUNCTION dbo.Afisho_rankimin(@emri_rest int)
RETURNS int
AS
BEGIN
Declare @rankimi int
Select @rankimi=dbo.RESTORANTET.Rankimi
From RESTORANTET
Where dbo.RESTORANTET.ID_Rest=@emri_rest
RETURN @rankimi
END
GO
SELECT dbo.Afisho_rankimin(5) AS Rankimi
GO
Client need to send base64 to server.
And above answer described code is work perfectly:
$imageData = base64_decode($imageData);
$source = imagecreatefromstring($imageData);
$rotate = imagerotate($source, $angle, 0); // if want to rotate the image
$imageSave = imagejpeg($rotate,$imageName,100);
imagedestroy($source);
Thanks
On my AWS beanstalk server, I don't see $_SERVER['HTTPS'] variable. I do see $_SERVER['HTTP_X_FORWARDED_PROTO'] which can be either 'http' or 'https' so if you're hosting on AWS, use this:
if ($_SERVER['HTTP_HOST'] != 'localhost' and $_SERVER['HTTP_X_FORWARDED_PROTO'] != "https") {
$location = 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
header('HTTP/1.1 301 Moved Permanently');
header('Location: ' . $location);
exit;
}
There have been previous answers that showed the trick. In essence:
you must retain POSIXct
types to take advantage of all the existing plotting functions
if you want to 'overlay' several days worth on a single plot, highlighting the intra-daily variation, the best trick is too ...
impose the same day (and month and even year if need be, which is not the case here)
which you can do by overriding the day-of-month and month components when in POSIXlt
representation, or just by offsetting the 'delta' relative to 0:00:00 between the different days.
So with times
and val
as helpfully provided by you:
## impose month and day based on first obs
ntimes <- as.POSIXlt(times) # convert to 'POSIX list type'
ntimes$mday <- ntimes[1]$mday # and $mon if it differs too
ntimes <- as.POSIXct(ntimes) # convert back
par(mfrow=c(2,1))
plot(times,val) # old times
plot(ntimes,val) # new times
yields this contrasting the original and modified time scales:
Just add padding as required. Heed Michael's warning, however.
b64_string += "=" * ((4 - len(b64_string) % 4) % 4) #ugh
Try this link format: https://t.me/[YourUserName]
I was looking for such a thing, BUT with text in (like the one that WhatsApp got)
Here's a simple way:
=NUMBERVALUE( CONCAT(5.66,"%") )
Just concatenate a %
symbol after the number.
By itself, this output would be text, so we also tuck the CONCAT function inside the NUMBERVALUE function.
p.s., in old excel, you might need to type the full word "CONCATENATE"
Did you try passwd -d root
? Most likely, this will do what you want.
You can also manually edit /etc/shadow
: (Create a backup copy. Be sure that you can log even if you mess up, for example from a rescue system.) Search for "root". Typically, the root entry looks similar to
root:$X$SK5xfLB1ZW:0:0...
There, delete the second field (everything between the first and second colon):
root::0:0...
Some systems will make you put an asterisk (*) in the password field instead of blank, where a blank field would allow no password (CentOS 8 for example)
root:*:0:0...
Save the file, and try logging in as root. It should skip the password prompt. (Like passwd -d
, this is a "no password" solution. If you are really looking for a "blank password", that is "ask for a password, but accept if the user just presses Enter", look at the manpage of mkpasswd
, and use mkpasswd
to create the second field for the /etc/shadow.)
Steps:
All the commands and variables which begin with that letter are now going to appear
no, you can't do that, but you can use event handlers to change the title:
<img src="foo.jpg" onmouseover="this.title='it is now ' + new Date()" />
http://docs.oracle.com/javase/tutorial/java/package/namingpkgs.html
Companies use their reversed Internet domain name to begin their package names—for example, com.example.mypackage for a package named mypackage created by a programmer at example.com.
Name collisions that occur within a single company need to be handled by convention within that company, perhaps by including the region or the project name after the company name (for example, com.example.region.mypackage).
If you have a company domain www.example.com
Then you should use:
com.example.region.projectname
If you own a domain name like example.co.uk than it should be:
uk.co.example.region.projectname
If you do not own a domain, you should then use your email address:
for [email protected] it should be:
com.example.name.region.projectname
Here is a script that will do it for you .....
You can add a list of users (or just one user) if you want, all in one go and each will have a different password. As a bonus you are presented at the end of the script with a list of each users password. .... If you want you can add some user maintenance options
like:
chage -m 18 $user
chage -M 28 $user
to the script that will set the password age and so on.
=======
#!/bin/bash
# Checks if you have the right privileges
if [ "$USER" = "root" ]
then
# CHANGE THIS PARAMETERS FOR A PARTICULAR USE
PERS_HOME="/home/"
PERS_SH="/bin/bash"
# Checks if there is an argument
[ $# -eq 0 ] && { echo >&2 ERROR: You may enter as an argument a text file containing users, one per line. ; exit 1; }
# checks if there a regular file
[ -f "$1" ] || { echo >&2 ERROR: The input file does not exists. ; exit 1; }
TMPIN=$(mktemp)
# Remove blank lines and delete duplicates
sed '/^$/d' "$1"| sort -g | uniq > "$TMPIN"
NOW=$(date +"%Y-%m-%d-%X")
LOGFILE="AMU-log-$NOW.log"
for user in $(more "$TMPIN"); do
# Checks if the user already exists.
cut -d: -f1 /etc/passwd | grep "$user" > /dev/null
OUT=$?
if [ $OUT -eq 0 ];then
echo >&2 "ERROR: User account: \"$user\" already exists."
echo >&2 "ERROR: User account: \"$user\" already exists." >> "$LOGFILE"
else
# Create a new user
/usr/sbin/useradd -d "$PERS_HOME""$user" -s "$PERS_SH" -m "$user"
# passwdgen must be installed
pass=$(passwdgen -paq --length 8)
echo $pass | passwd --stdin $user
# save user and password in a file
echo -e $user"\t"$pass >> "$LOGFILE"
echo "The user \"$user\" has been created and has the password: $pass"
fi
done
rm -f "$TMPIN"
exit 0
else
echo >&2 "ERROR: You must be a root user to execute this script."
exit 1
fi
===========
Hope this helps.
Cheers, Carel
The command git config --list
will list the settings. There you should also find user.name
and user.email
.
You can try this
var lastPostDate = reader[3] == DBNull.Value ?
default(DateTime?):
Convert.ToDateTime(reader[3]);
Application locks are one way to roll your own locking with custom granularity while avoiding "helpful" lock escalation. See sp_getapplock.
The code below demonstrates on how to do this.
var http = new XMLHttpRequest();
var url = 'get_data.php';
var params = 'orem=ipsum&name=binny';
http.open('POST', url, true);
//Send the proper header information along with the request
http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
http.onreadystatechange = function() {//Call a function when the state changes.
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);
In case you have/create an object you can turn it into params using the following code, i.e:
var params = new Object();
params.myparam1 = myval1;
params.myparam2 = myval2;
// Turn the data object into an array of URL-encoded key/value pairs.
let urlEncodedData = "", urlEncodedDataPairs = [], name;
for( name in params ) {
urlEncodedDataPairs.push(encodeURIComponent(name)+'='+encodeURIComponent(params[name]));
}
Here is a clearer solution.
def freeze(o):
if isinstance(o,dict):
return frozenset({ k:freeze(v) for k,v in o.items()}.items())
if isinstance(o,list):
return tuple([freeze(v) for v in o])
return o
def make_hash(o):
"""
makes a hash out of anything that contains only list,dict and hashable types including string and numeric types
"""
return hash(freeze(o))
I had to play with the widths of my main containers:
html {
@media only screen and (orientation: portrait) and (max-width: 555px) {
transform: rotate(90deg);
width: calc(155%);
.content {
width: calc(155%);
}
}
}
You can use isin
method:
In [1]: df = pd.DataFrame({'A': [5,6,3,4], 'B': [1,2,3,5]})
In [2]: df
Out[2]:
A B
0 5 1
1 6 2
2 3 3
3 4 5
In [3]: df[df['A'].isin([3, 6])]
Out[3]:
A B
1 6 2
2 3 3
And to get the opposite use ~
:
In [4]: df[~df['A'].isin([3, 6])]
Out[4]:
A B
0 5 1
3 4 5
def conversion():
e=raw_input("enter hexadecimal no.:")
e1=("a","b","c","d","e","f")
e2=(10,11,12,13,14,15)
e3=1
e4=len(e)
e5=()
while e3<=e4:
e5=e5+(e[e3-1],)
e3=e3+1
print e5
e6=1
e8=()
while e6<=e4:
e7=e5[e6-1]
if e7=="A":
e7=10
if e7=="B":
e7=11
if e7=="C":
e7=12
if e7=="D":
e7=13
if e7=="E":
e7=14
if e7=="F":
e7=15
else:
e7=int(e7)
e8=e8+(e7,)
e6=e6+1
print e8
e9=1
e10=len(e8)
e11=()
while e9<=e10:
e12=e8[e9-1]
a1=e12
a2=()
a3=1
while a3<=1:
a4=a1%2
a2=a2+(a4,)
a1=a1/2
if a1<2:
if a1==1:
a2=a2+(1,)
if a1==0:
a2=a2+(0,)
a3=a3+1
a5=len(a2)
a6=1
a7=""
a56=a5
while a6<=a5:
a7=a7+str(a2[a56-1])
a6=a6+1
a56=a56-1
if a5<=3:
if a5==1:
a8="000"
a7=a8+a7
if a5==2:
a8="00"
a7=a8+a7
if a5==3:
a8="0"
a7=a8+a7
else:
a7=a7
print a7,
e9=e9+1
Here is the best solution I found:
function digitsum(n) {
n = n.toString();
let result = 0;
for (let i = 0; i < n.length; i++) {
result += parseInt(n[i]);
}
return result;
}
console.log(digitsum(192));
Facebook login for smarttv/devices without facebook sdk is possible throught code , check the documentation here :
https://developers.facebook.com/docs/facebook-login/for-devices
if you have Mac just use help option (usually the last option on Mac's menu bar) then type: "tab indentation" and choose a tab indentation width
but generally, you can follow this path: view -> indentation
If you really, really want to use strlen(), then
cout << strlen(str.c_str()) << endl;
else the use of .length() is more in keeping with C++.
This is a good exercise for yourself to work on :)
You should break your library into three parts
So you are looking at writing a CSVDocument class that contains:
So that you may use your library like this:
CSVDocument doc;
doc.Load("file.csv");
CSVDocumentBody* body = doc.GetBody();
CSVDocumentRow* header = body->GetRow(0);
for (int i = 0; i < header->GetFieldCount(); i++)
{
CSVDocumentField* col = header->GetField(i);
cout << col->GetText() << "\t";
}
for (int i = 1; i < body->GetRowCount(); i++) // i = 1 so we skip the header
{
CSVDocumentRow* row = body->GetRow(i);
for (int p = 0; p < row->GetFieldCount(); p++)
{
cout << row->GetField(p)->GetText() << "\t";
}
cout << "\n";
}
body->GetRecord(10)->SetText("hello world");
CSVDocumentRow* lastRow = body->AddRow();
lastRow->AddField()->SetText("Hey there");
lastRow->AddField()->SetText("Hey there column 2");
doc->Save("file.csv");
Which gives us the following interfaces:
class CSVDocument
{
public:
void Load(const char* file);
void Save(const char* file);
CSVDocumentBody* GetBody();
};
class CSVDocumentBody
{
public:
int GetRowCount();
CSVDocumentRow* GetRow(int index);
CSVDocumentRow* AddRow();
};
class CSVDocumentRow
{
public:
int GetFieldCount();
CSVDocumentField* GetField(int index);
CSVDocumentField* AddField(int index);
};
class CSVDocumentField
{
public:
const char* GetText();
void GetText(const char* text);
};
Now you just have to fill in the blanks from here :)
Believe me when I say this - investing your time into learning how to make libraries, especially those dealing with the loading, manipulation and saving of data, will not only remove your dependence on the existence of such libraries but will also make you an all-around better programmer.
:)
EDIT
I don't know how much you already know about string manipulation and parsing; so if you get stuck I would be happy to help.
When you export a class module and open the file in Notepad, you'll notice, near the top, a bunch of hidden attributes (the VBE doesn't display them, and doesn't expose functionality to tweak most of them either). One of them is VB_PredeclaredId
:
Attribute VB_PredeclaredId = False
Set it to True
, save, and re-import the module into your VBA project.
Classes with a PredeclaredId
have a "global instance" that you get for free - exactly like UserForm
modules (export a user form, you'll see its predeclaredId attribute is set to true).
A lot of people just happily use the predeclared instance to store state. That's wrong - it's like storing instance state in a static class!
Instead, you leverage that default instance to implement your factory method:
[Employee
class]
'@PredeclaredId
Option Explicit
Private Type TEmployee
Name As String
Age As Integer
End Type
Private this As TEmployee
Public Function Create(ByVal emplName As String, ByVal emplAge As Integer) As Employee
With New Employee
.Name = emplName
.Age = emplAge
Set Create = .Self 'returns the newly created instance
End With
End Function
Public Property Get Self() As Employee
Set Self = Me
End Property
Public Property Get Name() As String
Name = this.Name
End Property
Public Property Let Name(ByVal value As String)
this.Name = value
End Property
Public Property Get Age() As String
Age = this.Age
End Property
Public Property Let Age(ByVal value As String)
this.Age = value
End Property
With that, you can do this:
Dim empl As Employee
Set empl = Employee.Create("Johnny", 69)
Employee.Create
is working off the default instance, i.e. it's considered a member of the type, and invoked from the default instance only.
Problem is, this is also perfectly legal:
Dim emplFactory As New Employee
Dim empl As Employee
Set empl = emplFactory.Create("Johnny", 69)
And that sucks, because now you have a confusing API. You could use '@Description
annotations / VB_Description
attributes to document usage, but without Rubberduck there's nothing in the editor that shows you that information at the call sites.
Besides, the Property Let
members are accessible, so your Employee
instance is mutable:
empl.Name = "Jane" ' Johnny no more!
The trick is to make your class implement an interface that only exposes what needs to be exposed:
[IEmployee
class]
Option Explicit
Public Property Get Name() As String : End Property
Public Property Get Age() As Integer : End Property
And now you make Employee
implement IEmployee
- the final class might look like this:
[Employee
class]
'@PredeclaredId
Option Explicit
Implements IEmployee
Private Type TEmployee
Name As String
Age As Integer
End Type
Private this As TEmployee
Public Function Create(ByVal emplName As String, ByVal emplAge As Integer) As IEmployee
With New Employee
.Name = emplName
.Age = emplAge
Set Create = .Self 'returns the newly created instance
End With
End Function
Public Property Get Self() As IEmployee
Set Self = Me
End Property
Public Property Get Name() As String
Name = this.Name
End Property
Public Property Let Name(ByVal value As String)
this.Name = value
End Property
Public Property Get Age() As String
Age = this.Age
End Property
Public Property Let Age(ByVal value As String)
this.Age = value
End Property
Private Property Get IEmployee_Name() As String
IEmployee_Name = Name
End Property
Private Property Get IEmployee_Age() As Integer
IEmployee_Age = Age
End Property
Notice the Create
method now returns the interface, and the interface doesn't expose the Property Let
members? Now calling code can look like this:
Dim empl As IEmployee
Set empl = Employee.Create("Immutable", 42)
And since the client code is written against the interface, the only members empl
exposes are the members defined by the IEmployee
interface, which means it doesn't see the Create
method, nor the Self
getter, nor any of the Property Let
mutators: so instead of working with the "concrete" Employee
class, the rest of the code can work with the "abstract" IEmployee
interface, and enjoy an immutable, polymorphic object.
// 2 dimensional array of arrays of Ints
var arr = [[Int]]()
OR:
// 2 dimensional array of arrays of Ints
var arr: [[Int]] = []
OR if you need an array of predefined size (as mentioned by @0x7fffffff in comments):
// 2 dimensional array of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
arr[0][1] = 18
OR
let myVar = 18
arr[0][1] = myVar
arr[1] = [123, 456, 789]
OR
arr[0] += 234
OR
arr[0] += [345, 678]
If you had 3x2 array of 0(zeros) before these changes, now you have:
[
[0, 0, 234, 345, 678], // 5 elements!
[123, 456, 789],
[0, 0]
]
So be aware that sub arrays are mutable and you can redefine initial array that represented matrix.
let a = 0
let b = 1
if arr.count > a && arr[a].count > b {
println(arr[a][b])
}
Remarks: Same markup rules for 3 and N dimensional arrays.
.
matches any character. Used in conjunction with the curly braces already mentioned:
$: cat > test
========
============================
oo
ooooooooooooooooooooooo
$: grep -E '(.)\1{10}' test
============================
ooooooooooooooooooooooo
I solved it by writing
[self.navigationController presentViewController:viewController
animated:TRUE
completion:NULL];
Modern browsers now consider displaying a custom message to be a security hazard and it has therefore been removed from all of them. Browsers now only display generic messages. Since we no longer have to worry about setting the message, it is as simple as:
// Enable navigation prompt
window.onbeforeunload = function() {
return true;
};
// Remove navigation prompt
window.onbeforeunload = null;
Read below for legacy browser support.
The orginal answer is suitable for IE6-8 and FX1-3.5 (which is what we were targeting back in 2009 when it was written), but is rather out of date now and won't work in most current browsers - I've left it below for reference.
The window.onbeforeunload
is not treated consistently by all browsers. It should be a function reference and not a string (as the original answer stated) but that will work in older browsers because the check for most of them appears to be whether anything is assigned to onbeforeunload
(including a function that returns null
).
You set window.onbeforeunload
to a function reference, but in older browsers you have to set the returnValue
of the event instead of just returning a string:
var confirmOnPageExit = function (e)
{
// If we haven't been passed the event get the window.event
e = e || window.event;
var message = 'Any text will block the navigation and display a prompt';
// For IE6-8 and Firefox prior to version 4
if (e)
{
e.returnValue = message;
}
// For Chrome, Safari, IE8+ and Opera 12+
return message;
};
You can't have that confirmOnPageExit
do the check and return null if you want the user to continue without the message. You still need to remove the event to reliably turn it on and off:
// Turn it on - assign the function that returns the string
window.onbeforeunload = confirmOnPageExit;
// Turn it off - remove the function entirely
window.onbeforeunload = null;
To turn it on:
window.onbeforeunload = "Are you sure you want to leave?";
To turn it off:
window.onbeforeunload = null;
Bear in mind that this isn't a normal event - you can't bind to it in the standard way.
To check for values? That depends on your validation framework.
In jQuery this could be something like (very basic example):
$('input').change(function() {
if( $(this).val() != "" )
window.onbeforeunload = "Are you sure you want to leave?";
});
Remember to put not only the tag but also the repository in which that tag is, this way:
docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
elixir 1.7-centos7_3 e15e6bf57262 20 hours ago 925MB
You should reference it this way:
elixir:1.7-centos7_3
C:/blah/blah/foldercontainJava
javac javafile.java
I had the same issue today. Problem was caused by uglify-js. After I executed same non-uglified code problem was solved. Removing of
--mangle-props
from uglify-js was enough to have working uglified code.
Perhaps, the best practice is to use some prefix for properties that has to be mangled with regex rule for uglify-js.
Here is the source:
var data = JSON.parse( content);
...
this.pageIndex = parseInt(data.index);
this.pageTotal = parseInt(data.total);
this.pageLimit = parseInt(data.limit);
and here is how it was uglified:
var n = JSON.parse( t);
...
this._ = parseInt(n.index), this.g = parseInt(n.total), this.D = parseInt(n.C)
I've always heard them used in the opposite sense:
&
is the reference operator -- it gives you a reference (pointer) to some object
*
is the dereference operator -- it takes a reference (pointer) and gives you back the referred to object;
You can use .sortBy
, it will always return an ascending list:
_.sortBy([2, 3, 1], function(num) {
return num;
}); // [1, 2, 3]
But you can use the .reverse method to get it descending:
var array = _.sortBy([2, 3, 1], function(num) {
return num;
});
console.log(array); // [1, 2, 3]
console.log(array.reverse()); // [3, 2, 1]
Or when dealing with numbers add a negative sign to the return to descend the list:
_.sortBy([-3, -2, 2, 3, 1, 0, -1], function(num) {
return -num;
}); // [3, 2, 1, 0, -1, -2, -3]
Under the hood .sortBy
uses the built in .sort([handler])
:
// Default is ascending:
[2, 3, 1].sort(); // [1, 2, 3]
// But can be descending if you provide a sort handler:
[2, 3, 1].sort(function(a, b) {
// a = current item in array
// b = next item in array
return b - a;
});
Use position:fixed
on the video, set it to 100% width/height, and put a negative z-index
on it so it appears behind everything.
If you look at VideoJS, the controls are just html elements sitting on top of the video, using z-index to make sure they're above.
HTML
<video id="video_background" src="video.mp4" autoplay>
(Add webm and ogg sources to support more browsers)
CSS
#video_background {
position: fixed;
top: 0;
left: 0;
bottom: 0;
right: 0;
z-index: -1000;
}
It'll work in most HTML5 browsers, but probably not iPhone/iPad, where the video needs to be activated, and doesn't like elements over it.
viewNoteDateMonth.text = [[displayDate objectAtIndex:2] uppercaseString];
You can also use lowercaseString and capitalizedString
If you want to use the SQL ISO standard INFORMATION_SCHEMA and not the SQL Server-specific sysobjects
, you can do this:
IF EXISTS (
SELECT ROUTINE_NAME FROM INFORMATION_SCHEMA.ROUTINES WHERE ROUTINE_NAME = N'FunctionName'
)
DROP FUNCTION [dbo].[FunctionName]
GO
document.getElementById('test').options[document.getElementById('test').selectedIndex].text;
This won't solve your problem, but if you only needed lat/long data for these addresses, the Google Maps API will parse non-formatted addresses pretty well.
Good suggestion, alternatively you can execute a CURL request for each address to Google Maps and it will return the properly formatted address. From that, you can regex to your heart's content.
If nothing worked for you, make sure the file is not open in another program. I was trying to import an xlsx file and Excel was blocking me from doing so.
Building on top of Tomas's answer, this is the best approach of finding the location tap position as an integer I found:
adb shell getevent -l | grep ABS_MT_POSITION --line-buffered | awk '{a = substr($0,54,8); sub(/^0+/, "", a); b = sprintf("0x%s",a); printf("%d\n",strtonum(b))}'
Use adb shell getevent -l
to get a list of events, the using grep for ABS_MT_POSITION
(gets the line with touch events in hex) and finally use awk to get the relevant hex values, strip them of zeros and convert hex to integer. This continuously prints the x and y coordinates in the terminal only when you press on the device.
You can then use this adb shell command to send the command:
adb shell input tap x y
If lists always have the same structure, as in the example, then a simpler solution is
mapply(c, first, second, SIMPLIFY=FALSE)
To get an elements from Array in tableView cell touched or clicked in swift
func tableView(_ tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("CellIdentifier", forIndexPath: indexPath) as UITableViewCell
cell.textLabel?.text= arr_AsianCountries[indexPath.row]
return cell
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let indexpath = arr_AsianCountries[indexPath.row]
print("indexpath:\(indexpath)")
}
Make sure you are not dynamically applying relative constraints to a view which is not yet there in view hierarchy.
UIView *bottomView = [[UIView alloc] initWithFrame:CGRectZero];
[self.view addSubview:bottomView];
bottomConstraint = [NSLayoutConstraint constraintWithItem:bottomView
attribute:NSLayoutAttributeBottom
relatedBy:NSLayoutRelationEqual
toItem:self.view
attribute:NSLayoutAttributeBottom
multiplier:1
constant:0];
bottomConstraint.active = YES;
In above example, bottomView has been made part of view hierarchy before applying relative constraints on it.
You certainly are able to have multiple CTEs in a single query expression. You just need to separate them with a comma. Here is an example. In the example below, there are two CTEs. One is named CategoryAndNumberOfProducts
and the second is named ProductsOverTenDollars
.
WITH CategoryAndNumberOfProducts (CategoryID, CategoryName, NumberOfProducts) AS
(
SELECT
CategoryID,
CategoryName,
(SELECT COUNT(1) FROM Products p
WHERE p.CategoryID = c.CategoryID) as NumberOfProducts
FROM Categories c
),
ProductsOverTenDollars (ProductID, CategoryID, ProductName, UnitPrice) AS
(
SELECT
ProductID,
CategoryID,
ProductName,
UnitPrice
FROM Products p
WHERE UnitPrice > 10.0
)
SELECT c.CategoryName, c.NumberOfProducts,
p.ProductName, p.UnitPrice
FROM ProductsOverTenDollars p
INNER JOIN CategoryAndNumberOfProducts c ON
p.CategoryID = c.CategoryID
ORDER BY ProductName
As Gary's Student mentioned, you would need to remove the dot before Cells
to make the code work as you originally wrote it. I can't be sure, since you only included the one line of code, but the error you got when you deleted the dots might have something to do with how you defined your variables.
I ran your line of code with the variables defined as integers and it worked:
Sub TestClearLastColumn()
Dim LastColData As Long
Set LastColData = Range("A1").End(xlToRight).Column
Dim LastRowData As Long
Set LastRowData = Range("A1").End(xlDown).Row
Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData)).ClearContents
End Sub
I don't think a With
statement is appropriate to the line of code you shared, but if you were to use one, the With
would be at the start of the line that defines the object you are manipulating. Here is your code rewritten using an unnecessary With
statement:
With Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData))
.ClearContents
End With
With
statements are designed to save you from retyping code and to make your coding easier to read. It becomes useful and appropriate if you do more than one thing with an object. For example, if you wanted to also turn the column red and add a thick black border, you might use a With
statement like this:
With Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData))
.ClearContents
.Interior.Color = vbRed
.BorderAround Color:=vbBlack, Weight:=xlThick
End With
Otherwise you would have to declare the range for each action or property, like this:
Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData)).ClearContents
Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData)).Interior.Color = vbRed
Worksheets("Sheet1").Range(Cells(2, LastColData), Cells(LastRowData, LastColData)).BorderAround Color:=vbBlack, Weight:=xlThick
I hope this gives you a sense for why Gary's Student believed the compiler might be expecting a With
(even though it was inappropriate) and how and when a With
can be useful in your code.
Based on Tim's second edit and this page you could do this:
@echo off
if "%1"=="loop" (
for /l %%f in (1,1,1000000) do (
echo %%f
if exist %%f exit
)
goto :eof
)
cmd /v:on /q /d /c "%0 loop"
echo done
This page suggests a way to use a goto inside a loop, it seems it does work, but it takes some time in a large loop. So internally it finishes the loop before the goto is executed.
A modified version of above solution to make it more dynamic.
Private Declare Function URLDownloadToFile Lib "urlmon" Alias "URLDownloadToFileA" (ByVal pCaller As Long, ByVal szURL As String, ByVal szFileName As String, ByVal dwReserved As Long, ByVal lpfnCB As Long) As Long
Public Function DownloadFileA(ByVal URL As String, ByVal DownloadPath As String) As Boolean
On Error GoTo Failed
DownloadFileA = False
'As directory must exist, this is a check
If CreateObject("Scripting.FileSystemObject").FolderExists(CreateObject("Scripting.FileSystemObject").GetParentFolderName(DownloadPath)) = False Then Exit Function
Dim returnValue As Long
returnValue = URLDownloadToFile(0, URL, DownloadPath, 0, 0)
'If return value is 0 and the file exist, then it is considered as downloaded correctly
DownloadFileA = (returnValue = 0) And (Len(Dir(DownloadPath)) > 0)
Exit Function
Failed:
End Function
If you want to modify the original array instead of returning a new array, use .push()
...
array1.push.apply(array1, array2);
array1.push.apply(array1, array3);
I used .apply
to push the individual members of arrays 2
and 3
at once.
or...
array1.push.apply(array1, array2.concat(array3));
To deal with large arrays, you can do this in batches.
for (var n = 0, to_add = array2.concat(array3); n < to_add.length; n+=300) {
array1.push.apply(array1, to_add.slice(n, n+300));
}
If you do this a lot, create a method or function to handle it.
var push_apply = Function.apply.bind([].push);
var slice_call = Function.call.bind([].slice);
Object.defineProperty(Array.prototype, "pushArrayMembers", {
value: function() {
for (var i = 0; i < arguments.length; i++) {
var to_add = arguments[i];
for (var n = 0; n < to_add.length; n+=300) {
push_apply(this, slice_call(to_add, n, n+300));
}
}
}
});
and use it like this:
array1.pushArrayMembers(array2, array3);
var push_apply = Function.apply.bind([].push);_x000D_
var slice_call = Function.call.bind([].slice);_x000D_
_x000D_
Object.defineProperty(Array.prototype, "pushArrayMembers", {_x000D_
value: function() {_x000D_
for (var i = 0; i < arguments.length; i++) {_x000D_
var to_add = arguments[i];_x000D_
for (var n = 0; n < to_add.length; n+=300) {_x000D_
push_apply(this, slice_call(to_add, n, n+300));_x000D_
}_x000D_
}_x000D_
}_x000D_
});_x000D_
_x000D_
var array1 = ['a','b','c'];_x000D_
var array2 = ['d','e','f'];_x000D_
var array3 = ['g','h','i'];_x000D_
_x000D_
array1.pushArrayMembers(array2, array3);_x000D_
_x000D_
document.body.textContent = JSON.stringify(array1, null, 4);
_x000D_
With text files, maybe the EOF is -1 when using BufferReader.read(), char by char. I made a test with BufferReader.readLine()!=null and it worked properly.
In order for Webpack to return the correct asset paths, you need to use require('./relative/path/to/file.jpg'), which will get processed by file-loader and returns the resolved URL.
computed: {
iconUrl () {
return require('./assets/img.png')
// The path could be '../assets/img.png', etc., which depends on where your vue file is
}
}
Microsoft has an article about this issue. It goes through it all step by step.
In short it involves starting up the instance of sqlserver with -m
like all the other answers suggest. However Microsoft provides slightly more detailed instructions.
From the Start page, start SQL Server Management Studio. On the View menu, select Registered Servers. (If your server is not already registered, right-click Local Server Groups, point to Tasks, and then click Register Local Servers.)
In the Registered Servers area, right-click your server, and then click SQL Server Configuration Manager. This should ask for permission to run as administrator, and then open the Configuration Manager program.
Close Management Studio.
In SQL Server Configuration Manager, in the left pane, select SQL Server Services. In the right-pane, find your instance of SQL Server. (The default instance of SQL Server includes (MSSQLSERVER) after the computer name. Named instances appear in upper case with the same name that they have in Registered Servers.) Right-click the instance of SQL Server, and then click Properties.
On the Startup Parameters tab, in the Specify a startup parameter box, type -m and then click Add. (That's a dash then lower case letter m.)
Note
For some earlier versions of SQL Server there is no Startup Parameters tab. In that case, on the Advanced tab, double-click Startup Parameters. The parameters open up in a very small window. Be careful not to change any of the existing parameters. At the very end, add a new parameter ;-m and then click OK. (That's a semi-colon then a dash then lower case letter m.)
Click OK, and after the message to restart, right-click your server name, and then click Restart.
After SQL Server has restarted your server will be in single-user mode. Make sure that that SQL Server Agent is not running. If started, it will take your only connection.
On the Windows 8 start screen, right-click the icon for Management Studio. At the bottom of the screen, select Run as administrator. (This will pass your administrator credentials to SSMS.)
Note
For earlier versions of Windows, the Run as administrator option appears as a sub-menu.
In some configurations, SSMS will attempt to make several connections. Multiple connections will fail because SQL Server is in single-user mode. You can select one of the following actions to perform. Do one of the following.
a) Connect with Object Explorer using Windows Authentication (which includes your Administrator credentials). Expand Security, expand Logins, and double-click your own login. On the Server Roles page, select sysadmin, and then click OK.
b) Instead of connecting with Object Explorer, connect with a Query Window using Windows Authentication (which includes your Administrator credentials). (You can only connect this way if you did not connect with Object Explorer.) Execute code such as the following to add a new Windows Authentication login that is a member of the sysadmin fixed server role. The following example adds a domain user named CONTOSO\PatK.
CREATE LOGIN [CONTOSO\PatK] FROM WINDOWS; ALTER SERVER ROLE sysadmin ADD MEMBER [CONTOSO\PatK];
c) If your SQL Server is running in mixed authentication mode, connect with a Query Window using Windows Authentication (which includes your Administrator credentials). Execute code such as the following to create a new SQL Server Authentication login that is a member of the sysadmin fixed server role.
CREATE LOGIN TempLogin WITH PASSWORD = '************'; ALTER SERVER ROLE sysadmin ADD MEMBER TempLogin;
Warning:
Replace ************ with a strong password.
d) If your SQL Server is running in mixed authentication mode and you want to reset the password of the sa account, connect with a Query Window using Windows Authentication (which includes your Administrator credentials). Change the password of the sa account with the following syntax.
ALTER LOGIN sa WITH PASSWORD = '************'; Warning
Replace ************ with a strong password.
The following steps now change SQL Server back to multi-user mode. Close SSMS.
In SQL Server Configuration Manager, in the left pane, select SQL Server Services. In the right-pane, right-click the instance of SQL Server, and then click Properties.
On the Startup Parameters tab, in the Existing parameters box, select -m and then click Remove.
Note
For some earlier versions of SQL Server there is no Startup Parameters tab. In that case, on the Advanced tab, double-click Startup Parameters. The parameters open up in a very small window. Remove the ;-m which you added earlier, and then click OK.
Right-click your server name, and then click Restart.
Now you should be able to connect normally with one of the accounts which is now a member of the sysadmin fixed server role.
I had issue with the solutions mentioned above as specifying the string key would give me javax.el.PropertyNotFoundException. The code shown below worked for me. In this I used status to count the index of for each loop and displayed the value of index I am interested on
<c:forEach items="${requestScope.key}" var="map" varStatus="status" >
<c:if test="${status.index eq 1}">
<option><c:out value=${map.value}/></option>
</c:if>
</c:forEach>
private void SortDataTable(DataTable dt, string sort)
{
DataTable newDT = dt.Clone();
int rowCount = dt.Rows.Count;
DataRow[] foundRows = dt.Select(null, sort);
// Sort with Column name
for (int i = 0; i < rowCount; i++)
{
object[] arr = new object[dt.Columns.Count];
for (int j = 0; j < dt.Columns.Count; j++)
{
arr[j] = foundRows[i][j];
}
DataRow data_row = newDT.NewRow();
data_row.ItemArray = arr;
newDT.Rows.Add(data_row);
}
//clear the incoming dt
dt.Rows.Clear();
for (int i = 0; i < newDT.Rows.Count; i++)
{
object[] arr = new object[dt.Columns.Count];
for (int j = 0; j < dt.Columns.Count; j++)
{
arr[j] = newDT.Rows[i][j];
}
DataRow data_row = dt.NewRow();
data_row.ItemArray = arr;
dt.Rows.Add(data_row);
}
}
class UserDefaults_WorstPresidentName {
static let key = "appname.worstPresidentName"
static var value: String? {
get {
return UserDefaults.standard.string(forKey: key)
}
set {
if newValue != nil {
UserDefaults.standard.set(newValue, forKey: key)
} else {
UserDefaults.standard.removeObject(forKey: key)
}
}
}
}
I know it has been quite sometime that you asked this but, if someone else needs, I did what was saying here " How to upload a project to Github " and after the top answer of this question right here. And after was the top answer was saying here "git error: failed to push some refs to" I don't know what exactly made everything work. But now is working.
Try this code...
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
</dependency>
You can use VARRAY for a fixed-size array:
declare
type array_t is varray(3) of varchar2(10);
array array_t := array_t('Matt', 'Joanne', 'Robert');
begin
for i in 1..array.count loop
dbms_output.put_line(array(i));
end loop;
end;
Or TABLE for an unbounded array:
...
type array_t is table of varchar2(10);
...
The word "table" here has nothing to do with database tables, confusingly. Both methods create in-memory arrays.
With either of these you need to both initialise and extend the collection before adding elements:
declare
type array_t is varray(3) of varchar2(10);
array array_t := array_t(); -- Initialise it
begin
for i in 1..3 loop
array.extend(); -- Extend it
array(i) := 'x';
end loop;
end;
The first index is 1 not 0.
>>> average = [1,3,2,1,1,0,24,23,7,2,727,2,7,68,7,83,2]
>>> matches = [i for i in range(0,len(average)) if average[i]<2 or average[i]>4]
>>> matches
[0, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15]
In JDK7, "more NIO features" should have methods to apply the visitor pattern over a file tree or just the immediate contents of a directory - no need to find all the files in a potentially huge directory before iterating over them.
Your solution is correct, but there is some redundancy in your regex.
The similar result can also be obtained from the following regex:
^([A-Z]{3})$
The {3}
indicates that the [A-Z]
must appear exactly 3 times.
strings.xml
<string name="sentence">This price is <b>%1$s</b> USD</string>
page.java
String successMessage = getText(R.string.message,"5.21");
This price 5.21 USD
I recently came up with a version that avoids loops, using log2
to determine the size order which doubles as a shift and an index into the suffix list:
from math import log2
_suffixes = ['bytes', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB']
def file_size(size):
# determine binary order in steps of size 10
# (coerce to int, // still returns a float)
order = int(log2(size) / 10) if size else 0
# format file size
# (.4g results in rounded numbers for exact matches and max 3 decimals,
# should never resort to exponent values)
return '{:.4g} {}'.format(size / (1 << (order * 10)), _suffixes[order])
Could well be considered unpythonic for its readability, though.
In PHP >= 5.3 it can be done like this:
$offerArray = array_map(function($value) {
return $value[4];
}, $offer);
This can be done using Visual Studio
too (at least in version 2013 onwards).
In VS 2013 it is also possible to filter the list of rows the inserts statement are based on, this is something not possible in SSMS as for as I know.
Perform the following steps:
This will create the (conditional) insert statements for the selected table to the active window or file.
The "Filter" and "Script" buttons Visual Studio 2013:
If your process gives a huge stdout and no stderr, communicate()
might be the wrong way to go due to memory restrictions.
Instead,
process = subprocess.Popen(cmd, shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# wait for the process to terminate
for line in process.stdout: do_something(line)
errcode = process.returncode
might be the way to go.
process.stdout
is a file-like object which you can treat as any other such object, mainly:
read()
from itreadline()
from it andThe latter is what I do above in order to get its contents line by line.
URLs can give a lot of clues, especially with Content Management Systems.
For example "http://abcxyz.com/node/46" looks a lot like Drupal.
Also many frameworks have standard JavaScript and CSS files they use.
You can resize and then use imagejpeg()
Don't pass 100 as the quality for imagejpeg() - anything over 90 is generally overkill and just gets you a bigger JPEG. For a thumbnail, try 75 and work downwards until the quality/size tradeoff is acceptable.
imagejpeg($tn, $save, 75);
Leaflet also has LatLngBounds that even has an extend function, just like google maps.
http://leafletjs.com/reference.html#latlngbounds
So you could simply use:
var latlngbounds = new L.latLngBounds();
The rest is exactly the same.
I like to use filter:
var id_tag = [1,2,3,78,5,6,7,8,47,34,90];
// delete where id_tag = 90
id_tag = id_tag.filter(function(x) {
if (x !== 90) {
return x;
}
});
Here is the best answer that I have found on the Microsoft Excel Support Team Blog
For some users, Forms Controls (FM20.dll) are no longer working as expected after installing December 2014 updates. Issues are experienced at times such as when they open files with existing VBA projects using forms controls, try to insert a forms control in to a new worksheet or run third party software that may use these components.
You may received errors such as:
"Cannot insert object" "Object library invalid or contains references to object definitions that could not be found"
Additionally, you may be unable to use or change properties of an ActiveX control on a worksheet or receive an error when trying to refer to an ActiveX control as a member of a worksheet via code. Steps to follow after the update:
To resolve this issue, you must delete the cached versions of the control type libraries (extender files) on the client computer. To do this, you must search your hard disk for files that have the ".exd" file name extension and delete all the .exd files that you find. These .exd files will be re-created automatically when you use the new controls the next time that you use VBA. These extender files will be under the user's profile and may also be in other locations, such as the following:
%appdata%\Microsoft\forms
%temp%\Excel8.0
%temp%\VBE
Scripting solution:
Because this problem may affect more than one machine, it is also possible to create a scripting solution to delete the EXD files and run the script as part of the logon process using a policy. The script you would need should contain the following lines and would need to be run for each USER as the .exd files are USER specific.
del %temp%\vbe\*.exd
del %temp%\excel8.0\*.exd
del %appdata%\microsoft\forms\*.exd
del %appdata%\microsoft\local\*.exd
del %appdata%\Roaming\microsoft\forms\*.exd
del %temp%\word8.0\*.exd
del %temp%\PPT11.0\*.exd
Additional step:
If the steps above do not resolve your issue, another step that can be tested (see warning below):
On a fully updated machine and after removing the .exd files, open the file in Excel with edit permissions.
Open Visual Basic for Applications > modify the project by adding a comment or edit of some kind to any code module > Debug > Compile VBAProject.
Save and reopen the file. Test for resolution. If resolved, provide this updated project to additional users.
Warning: If this step resolves your issue, be aware that after deploying this updated project to the other users, these users will also need to have the updates applied on their systems and .exd files removed as well.
If this does not resolve your issue, it may be a different issue and further troubleshooting may be necessary.
Microsoft is currently working on this issue. Watch the blog for updates.
If you want to link, say, libapplejuice statically, but not, say, liborangejuice, you can link like this:
gcc object1.o object2.o -Wl,-Bstatic -lapplejuice -Wl,-Bdynamic -lorangejuice -o binary
There's a caveat -- if liborangejuice
uses libapplejuice
, then libapplejuice
will be dynamically linked too.
You'll have to link liborangejuice
statically alongside with libapplejuice
to get libapplejuice
static.
And don't forget to keep -Wl,-Bdynamic
else you'll end up linking everything static, including libc
(which isn't a good thing to do).
You have to add a manifest to the jar, which tells the java runtime what the main class is. Create a file 'Manifest.mf' with the following content:
Manifest-Version: 1.0
Main-Class: your.programs.MainClass
Change 'your.programs.MainClass' to your actual main class. Now put the file into the Jar-file, in a subfolder named 'META-INF'. You can use any ZIP-utility for that.
I am pretty sure that this is the shortest way to create your random array without any repeats
var random_array = new Array(40).fill().map((a, i) => a = i).sort(() => Math.random() - 0.5);
I tried JSON. It worked. But I hate having to create the struct of the exact fields and types I might be setting. To me that was a pain. I noticed it was the method used by all the configuration options I could find. Maybe my background in dynamic languages makes me blind to the benefits of such verboseness. I made a new simple config file format, and a more dynamic-ish lib for reading it out.
https://github.com/chrisftw/ezconf
I am pretty new to the Go world, so it might not be the Go way. But it works, it is pretty quick, and super simple to use.
For me I put my dependencies in the wrong spot.
buildscript {
dependencies {
//Don't put dependencies here.
}
}
dependencies {
//Put them here
}
private Paint green = new Paint();
private int greenx , greeny;
green.setColor(Color.GREEN);
green.setAntiAlias(false);
canvas.drawCircle(greenx,greeny,20,green);
To get the actual scrollable height of the areas scrolled by the window scrollbar, I used $('body').prop('scrollHeight')
. This seems to be the simplest working solution, but I haven't checked extensively for compatibility. Emanuele Del Grande notes on another solution that this probably won't work for IE below 8.
Most of the other solutions work fine for scrollable elements, but this works for the whole window. Notably, I had the same issue as Michael for Ankit's solution, namely, that $(document).prop('scrollHeight')
is returning undefined
.
As of October 2014:
For latest remote version:
npm view <module_name> version
Note, version is singular.
If you'd like to see all available (remote) versions, then do:
npm view <module_name> versions
Note, versions is plural. This will give you the full listing of versions to choose from.
To get the version you actually have locally you could use:
npm list --depth=0 | grep <module_name>
Note, even with package.json declaring your versions, the installed version might actually differ slightly - for instance if tilda was used in the version declaration
Should work across NPM versions 1.3.x, 1.4.x, 2.x and 3.x
I know there is an accepted answer but I recommend
Simple REST Client Extension for Chrome.
example:
To correctly parse the string given in the question without changing it, use the following:
using System.Globalization;
string dateString = "Tue, 1 Jan 2008 00:00:00 UTC";
DateTime parsedDate = DateTime.ParseExact(dateString, "ddd, d MMM yyyy hh:mm:ss UTC", CultureInfo.CurrentCulture, DateTimeStyles.AssumeUniversal);
This implementation uses a string to specify the exact format of the date string that is being parsed. The DateTimeStyles parameter is used to specify that the given string is a coordinated universal time string.
You can use the -quit
option of find
:
find <dir> -maxdepth 1 -type d -name '*foo*' -print -quit
You can also run this:
php artisan migrate:status
It makes a db connection connection to get migrations from migrations table. It'll throw an exception if the connection fails.
When you declare:
new Vue({
el: '#app',
data () {
return {}
}
)}
That is typically your root Vue instance that the rest of the application descends from. This hangs off the root element declared in an html document, for example:
<html>
...
<body>
<div id="app"></div>
</body>
</html>
The other syntax is declaring a component which can be registered and reused later. For example, if you create a single file component like:
// my-component.js
export default {
name: 'my-component',
data () {
return {}
}
}
You can later import this and use it like:
// another-component.js
<template>
<my-component></my-component>
</template>
<script>
import myComponent from 'my-component'
export default {
components: {
myComponent
}
data () {
return {}
}
...
}
</script>
Also, be sure to declare your data
properties as functions, otherwise they are not going to be reactive.
I'm not familiar with python 3 yet, but it seems like urllib.request.urlopen().read()
returns a byte
object rather than string.
You might try to feed it into a StringIO
object, or even do a str(response)
.
IE9 no longer supports triggering the Print() VBScript by calling window.print() like IE7 and IE8 do, and thus window.print() will now always trigger the print dialog in IE9.
The fix is pretty simple. You just need to call Print() itself, instead of window.print() in the onclick event.
I've described the fix in more detail in an answer to another question, with a working code example sporting slightly updated HTML syntax (as much as possible while still tested as working code).
You can find that sample code here:
Additionally a simpler example:
return (T)Activator.CreateInstance(typeof(T), new object[] { weight });
Note that using the new() constraint on T is only to make the compiler check for a public parameterless constructor at compile time, the actual code used to create the type is the Activator class.
You will need to ensure yourself regarding the specific constructor existing, and this kind of requirement may be a code smell (or rather something you should just try to avoid in the current version on c#).
You can also use the ExifRead module:
import exifread
# Open image file for reading (binary mode)
f = open(path_name, 'rb')
# Return Exif tags
tags = exifread.process_file(f)
I think the most succinct way of putting it is the following:
Shared properties => abstract class.
Shared functionality => interface.
And to put it less succinctly...
Abstract Class Example:
public abstract class BaseAnimal
{
public int NumberOfLegs { get; set; }
protected BaseAnimal(int numberOfLegs)
{
NumberOfLegs = numberOfLegs;
}
}
public class Dog : BaseAnimal
{
public Dog() : base(4) { }
}
public class Human : BaseAnimal
{
public Human() : base(2) { }
}
Since animals have a shared property - number of legs in this case - it makes sense to make an abstract class containing this shared property. This also allows us to write common code that operates on that property. For example:
public static int CountAllLegs(List<BaseAnimal> animals)
{
int legCount = 0;
foreach (BaseAnimal animal in animals)
{
legCount += animal.NumberOfLegs;
}
return legCount;
}
Interface Example:
public interface IMakeSound
{
void MakeSound();
}
public class Car : IMakeSound
{
public void MakeSound() => Console.WriteLine("Vroom!");
}
public class Vuvuzela : IMakeSound
{
public void MakeSound() => Console.WriteLine("VZZZZZZZZZZZZZ!");
}
Note here that Vuvuzelas and Cars are completely different things, but they have shared functionality: making a sound. Thus, an interface makes sense here. Further, it will allow programmers to group things that make sounds together under a common interface -- IMakeSound
in this case. With this design, you could write the following code:
List<IMakeSound> soundMakers = new List<ImakeSound>();
soundMakers.Add(new Car());
soundMakers.Add(new Vuvuzela());
soundMakers.Add(new Car());
soundMakers.Add(new Vuvuzela());
soundMakers.Add(new Vuvuzela());
foreach (IMakeSound soundMaker in soundMakers)
{
soundMaker.MakeSound();
}
Can you tell what that would output?
Lastly, you can combine the two.
Combined Example:
public interface IMakeSound
{
void MakeSound();
}
public abstract class BaseAnimal : IMakeSound
{
public int NumberOfLegs { get; set; }
protected BaseAnimal(int numberOfLegs)
{
NumberOfLegs = numberOfLegs;
}
public abstract void MakeSound();
}
public class Cat : BaseAnimal
{
public Cat() : base(4) { }
public override void MakeSound() => Console.WriteLine("Meow!");
}
public class Human : BaseAnimal
{
public Human() : base(2) { }
public override void MakeSound() => Console.WriteLine("Hello, world!");
}
Here, we're requiring all BaseAnimal
s make a sound, but we don't know its implementation yet. In such a case, we can abstract the interface implementation and delegate its implementation to its subclasses.
One last point, remember how in the abstract class example we were able to operate on the shared properties of different objects and in the interface example we were able to invoke the shared functionality of different objects? In this last example, we could do both.
This is directly from http://www.programcreek.com/2011/10/java-class-instance-initializers/
Look at the following class, do you know which one gets executed first?
public class Foo {
//instance variable initializer
String s = "abc";
//constructor
public Foo() {
System.out.println("constructor called");
}
//static initializer
static {
System.out.println("static initializer called");
}
//instance initializer
{
System.out.println("instance initializer called");
}
public static void main(String[] args) {
new Foo();
new Foo();
}
}
Output:
static initializer called
instance initializer called
constructor called
instance initializer called
constructor called
The instance initializer above contains a println statement. To understand how it works, we can treat it as a variable assignment statement, e.g., b = 0
. This can make it more obvious to understand.
Instead of
int b = 0
, you could write
int b;
b = 0;
Therefore, instance initializers and instance variable initializers are pretty much the same.
The use of instance initializers are rare, but still it can be a useful alternative to instance variable initializers if:
Of course, such code could be written in constructors. But if a class had multiple constructors, you would have to repeat the code in each constructor.
With an instance initializer, you can just write the code once, and it will be executed no matter what constructor is used to create the object. (I guess this is just a concept, and it is not used often.)
Another case in which instance initializers are useful is anonymous inner classes, which can’t declare any constructors at all. (Will this be a good place to place a logging function?)
Thanks to Derhein.
Also note that Anonymous classes that implement interfaces [1] have no constructors. Therefore instance initializers are needed to execute any kinds of expressions at construction time.
I think it is telling you exactly what is wrong. You cannot compare an integer with a varchar. PostgreSQL is strict and does not do any magic typecasting for you. I'm guessing SQLServer does typecasting automagically (which is a bad thing).
If you want to compare these two different beasts, you will have to cast one to the other using the casting syntax ::
.
Something along these lines:
create view view1
as
select table1.col1,table2.col1,table3.col3
from table1
inner join
table2
inner join
table3
on
table1.col4::varchar = table2.col5
/* Here col4 of table1 is of "integer" type and col5 of table2 is of type "varchar" */
/* ERROR: operator does not exist: integer = character varying */
....;
Notice the varchar
typecasting on the table1.col4.
Also note that typecasting might possibly render your index on that column unusable and has a performance penalty, which is pretty bad. An even better solution would be to see if you can permanently change one of the two column types to match the other one. Literately change your database design.
Or you could create a index on the casted values by using a custom, immutable function which casts the values on the column. But this too may prove suboptimal (but better than live casting).
Here's a solution that also works on Firefox:
transition: all 0.3s ease, background-position 1ms;
I made a small demo: http://jsfiddle.net/aWzwh/
If anyone need sort according to key best is to use below
usort($array, build_sorter('order'));
function build_sorter($key) {
return function ($a, $b) use ($key) {
return strnatcmp($a[$key], $b[$key]);
};
}
Find and Replace:
jcenter()
maven {
url "https://maven.google.com"
}
to:
maven {
url "https://maven.google.com"
}
jcenter()
Serialize both objects and compare the resulting strings
Use LinearLayout.LayoutParams
:
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
params.weight = 1.0f;
Button button = new Button(this);
button.setLayoutParams(params);
EDIT: Ah, Erich's answer is easier!
For Python 3 you should use sudo apt-get install libpq-dev python3-dev
under Debian.
Okay, so this question is old... but I wanted to do something similar and I found a solution that works for me. Maybe it might help someone else.
I have a List<QuestionType>
that I fill a drop down with. I want to put that selection into the QuestionType
property on the Question
object that I'm creating in the form. I'm using Knockout.js
for the select binding. This sets the self.QuestionType
knockout observable property to a QuestionType
object when the user selects one.
<select class="form-control form-control-sm"
data-bind="options: QuestionTypes, optionsText: 'QuestionTypeText', value: QuestionType, optionsCaption: 'Choose...'">
</select>
I have a hidden field that will hold this object:
@Html.Hidden("NewQuestion.QuestionTypeJson", Model.NewQuestion.QuestionTypeJson)
In the subscription for the observable, I set the hidden field to a JSON.stringify
-ed version of the object.
self.QuestionType.subscribe(function(newValue) {
if (newValue !== null && newValue !== undefined) {
document.getElementById('NewQuestion_QuestionTypeJson').value = JSON.stringify(newValue);
}
});
In the Question
object, I have a field called QuestionTypeJson
that is filled when the user selects a question type. I use this field to get the QuestionType
in the Question
object like this:
public string QuestionTypeJson { get; set; }
private QuestionType _questionType = new QuestionType();
public QuestionType QuestionType
{
get => string.IsNullOrEmpty(QuestionTypeJson) ? _questionType : JsonConvert.DeserializeObject<QuestionType>(QuestionTypeJson);
set => _questionType = value;
}
So if the QuestionTypeJson
field contains something, it will deserialize that and use it for QuestionType
, otherwise it'll just use what is in the backing field.
I have essentially 'passed' a JavaScript object to my model without using Razor
or an Ajax
call. You can probably do something similar to this without using Knockout.js
, but that's what I'm using so...
You can also use window.location.href=window.location.href;
All your exercise conditionals are separate and the else is only tied to the last if statement. Use else if
to bind them all together in the way I believe you intend.
I received this error when I tried to launch app from Xcode as I figured I had selected distribution profile only. Build was successful so I created .ipa file. I used testflightapp.com to run the app. You can use iTunes as well.
The Android resource linking failed error can also appear if you have an error in any of your XML resources. In my case I was using the following line twice in one of my XML drawables in drawable folder:
<?xml version="1.0" encoding="UTF-8"?>
<?xml version="1.0" encoding="UTF-8"?>
I removed the duplicate line and the error disappeared. The error was a bit misleading:
Android resource linking failed Output: /Users/johndoe/Desktop/myapp/app/src/main/res/layout/activity_main.xml:2: error: resource drawable/bg_main (aka com.example.myproject:drawable/bg_main) not found.
According to the above error, the first thing you need to do is to proof read all the drawable resources that are accessed in the activity_main because the chances are higher that you will find the error. In the worst case scenario you might end up checking all your resource files.
A somewhat clumsy ascii-art to demonstrate the mechanism:
The join()
is presumably called by the main-thread. It could also be called by another thread, but would needlessly complicate the diagram.
join
-calling should be placed in the track of the main-thread, but to express thread-relation and keep it as simple as possible, I choose to place it in the child-thread instead.
without join:
+---+---+------------------ main-thread
| |
| +........... child-thread(short)
+.................................. child-thread(long)
with join
+---+---+------------------***********+### main-thread
| | |
| +...........join() | child-thread(short)
+......................join()...... child-thread(long)
with join and daemon thread
+-+--+---+------------------***********+### parent-thread
| | | |
| | +...........join() | child-thread(short)
| +......................join()...... child-thread(long)
+,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, child-thread(long + daemonized)
'-' main-thread/parent-thread/main-program execution
'.' child-thread execution
'#' optional parent-thread execution after join()-blocked parent-thread could
continue
'*' main-thread 'sleeping' in join-method, waiting for child-thread to finish
',' daemonized thread - 'ignores' lifetime of other threads;
terminates when main-programs exits; is normally meant for
join-independent tasks
So the reason you don't see any changes is because your main-thread does nothing after your join
.
You could say join
is (only) relevant for the execution-flow of the main-thread.
If, for example, you want to concurrently download a bunch of pages to concatenate them into a single large page, you may start concurrent downloads using threads, but need to wait until the last page/thread is finished before you start assembling a single page out of many. That's when you use join()
.
use document.write for example,
<script>
document.write(' <?php add(1,2); ?> ');
document.write(' <?php milt(1,2); ?> ');
document.write(' <?php divide(1,2); ?> ');
</script>
Do you do:
Application.Run(myForm);
in your Main()?
I found it a very easy way to kill the application when the form is closed.
To get the whole HTML raw data (with <head>
and <body>
):
NSString *html = [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.outerHTML"];
It is also possible to use FormData()
. But you need to set contentType
as false
:
var data = new FormData();
data.append('name', 'Bob');
function sendData() {
$.ajax({
url: '/helloworld',
type: 'POST',
contentType: false,
data: data,
dataType: 'json'
});
}
For anyone meaning to do this more reliably for different Minecraft versions, I have a Python script (adapted from parts of minecraft-launcher-lib) that does the job very nicely
Besides setting some basic variables near the top after the functions, it calls a get_classpath
that goes through for example ~/.minecraft/versions/1.16.5/1.16.5.json
, and loops over the libraries
array, checking to see if each object (within the array), is supposed to be added to the classpath (cp
variable). whether this library is added to the java classpath is governed by the should_use_library
function, deterministic based on the computer's architecture and operating system. finally, some jarfiles that are platform specific have extra things prepended to them (ex. natives-linux
in org/lwjgl/lwjgl/3.2.1/lwjgl-3.2.1-natives-linux.jar
). this extra prepended string is handled by get_natives_string
and is empty if it doesn't apply to the current library
tested on Linux, distribution Arch Linux
#!/usr/bin/env python
import json
import os
import platform
from pathlib import Path
import subprocess
"""Debug output
"""
def debug(str):
if os.getenv('DEBUG') != None:
print(str)
"""
[Gets the natives_string toprepend to the jar if it exists. If there is nothing native specific, returns and empty string]
"""
def get_natives_string(lib):
arch = ""
if platform.architecture()[0] == "64bit":
arch = "64"
elif platform.architecture()[0] == "32bit":
arch = "32"
else:
raise Exception("Architecture not supported")
nativesFile=""
if not "natives" in lib:
return nativesFile
# i've never seen ${arch}, but leave it in just in case
if "windows" in lib["natives"] and platform.system() == 'Windows':
nativesFile = lib["natives"]["windows"].replace("${arch}", arch)
elif "osx" in lib["natives"] and platform.system() == 'Darwin':
nativesFile = lib["natives"]["osx"].replace("${arch}", arch)
elif "linux" in lib["natives"] and platform.system() == "Linux":
nativesFile = lib["natives"]["linux"].replace("${arch}", arch)
else:
raise Exception("Platform not supported")
return nativesFile
"""[Parses "rule" subpropery of library object, testing to see if should be included]
"""
def should_use_library(lib):
def rule_says_yes(rule):
useLib = None
if rule["action"] == "allow":
useLib = False
elif rule["action"] == "disallow":
useLib = True
if "os" in rule:
for key, value in rule["os"].items():
os = platform.system()
if key == "name":
if value == "windows" and os != 'Windows':
return useLib
elif value == "osx" and os != 'Darwin':
return useLib
elif value == "linux" and os != 'Linux':
return useLib
elif key == "arch":
if value == "x86" and platform.architecture()[0] != "32bit":
return useLib
return not useLib
if not "rules" in lib:
return True
shouldUseLibrary = False
for i in lib["rules"]:
if rule_says_yes(i):
return True
return shouldUseLibrary
"""
[Get string of all libraries to add to java classpath]
"""
def get_classpath(lib, mcDir):
cp = []
for i in lib["libraries"]:
if not should_use_library(i):
continue
libDomain, libName, libVersion = i["name"].split(":")
jarPath = os.path.join(mcDir, "libraries", *
libDomain.split('.'), libName, libVersion)
native = get_natives_string(i)
jarFile = libName + "-" + libVersion + ".jar"
if native != "":
jarFile = libName + "-" + libVersion + "-" + native + ".jar"
cp.append(os.path.join(jarPath, jarFile))
cp.append(os.path.join(mcDir, "versions", lib["id"], f'{lib["id"]}.jar'))
return os.pathsep.join(cp)
version = '1.16.5'
username = '{username}'
uuid = '{uuid}'
accessToken = '{token}'
mcDir = os.path.join(os.getenv('HOME'), '.minecraft')
nativesDir = os.path.join(os.getenv('HOME'), 'versions', version, 'natives')
clientJson = json.loads(
Path(os.path.join(mcDir, 'versions', version, f'{version}.json')).read_text())
classPath = get_classpath(clientJson, mcDir)
mainClass = clientJson['mainClass']
versionType = clientJson['type']
assetIndex = clientJson['assetIndex']['id']
debug(classPath)
debug(mainClass)
debug(versionType)
debug(assetIndex)
subprocess.call([
'/usr/bin/java',
f'-Djava.library.path={nativesDir}',
'-Dminecraft.launcher.brand=custom-launcher',
'-Dminecraft.launcher.version=2.1',
'-cp',
classPath,
'net.minecraft.client.main.Main',
'--username',
username,
'--version',
version,
'--gameDir',
mcDir,
'--assetsDir',
os.path.join(mcDir, 'assets'),
'--assetIndex',
assetIndex,
'--uuid',
uuid,
'--accessToken',
accessToken,
'--userType',
'mojang',
'--versionType',
'release'
])
Fragmentation. Char reserves space and VarChar does not. Page split can be required to accommodate update to varchar.
<xs:element name="price" type="decimal">
<xs:attribute name="currency" type="xs:string" value="(euros|pounds|dollars)" />
</element>
This would eliminate the need for enumeration completely. You could change type to double if required.
I use AlamofireImage it works fine for me for Loading url within ImageView, which also has Placeholder option.
func setImage (){
let image = “https : //i.imgur.com/w5rkSIj.jpg”
if let url = URL (string: image)
{
//Placeholder Image which was in your Local(Assets)
let image = UIImage (named: “PlacehoderImageName”)
imageViewName.af_setImage (withURL: url, placeholderImage: image)
}
}
Note:- Dont forget to Add AlamofireImage in your Pod file as well as in Import Statment
Say Example,
pod 'AlamofireImage' within Your PodFile and in ViewController import AlamofireImage
For Angular 5+ only preform steps 1 and 4
In order to access your file locally in Angular 2+ you should do the following (4 steps):
[1] Inside your assets folder create a .json file, example: data.json
[2] Go to your angular.cli.json (angular.json in Angular 6+) inside your project and inside the assets array put another object (after the package.json object) like this:
{ "glob": "data.json", "input": "./", "output": "./assets/" }
full example from angular.cli.json
"apps": [
{
"root": "src",
"outDir": "dist",
"assets": [
"assets",
"favicon.ico",
{ "glob": "package.json", "input": "../", "output": "./assets/" },
{ "glob": "data.json", "input": "./", "output": "./assets/" }
],
Remember, data.json is just the example file we've previously added in the assets folder (you can name your file whatever you want to)
[3] Try to access your file via localhost. It should be visible within this address, http://localhost:your_port/assets/data.json
If it's not visible then you've done something incorrectly. Make sure you can access it by typing it in the URL field in your browser before proceeding to step #4.
[4] Now preform a GET request to retrieve your .json file (you've got your full path .json URL and it should be simple)
constructor(private http: HttpClient) {}
// Make the HTTP request:
this.http.get('http://localhost:port/assets/data.json')
.subscribe(data => console.log(data));
In the old days, "/opt" was used by UNIX vendors like AT&T, Sun, DEC and 3rd-party vendors to hold "Option" packages; i.e. packages that you might have paid extra money for. I don't recall seeing "/opt" on Berkeley BSD UNIX. They used "/usr/local" for stuff that you installed yourself.
But of course, the true "meaning" of the different directories has always been somewhat vague. That is arguably a good thing, because if these directories had precise (and rigidly enforced) meanings you'd end up with a proliferation of different directory names.
According to the Filesystem Hierarchy Standard, /opt is for "the installation of add-on application software packages". /usr/local is "for use by the system administrator when installing software locally".
A ListView is a specialized ListBox (that is, it inherits from ListBox). It allows you to specify different views rather than a straight list. You can either roll your own view, or use GridView (think explorer-like "details view"). It's basically the multi-column listbox, the cousin of windows form's listview.
If you don't need the additional capabilities of ListView, you can certainly use ListBox if you're simply showing a list of items (Even if the template is complex).
Open a TCP socket on port 80, start listening for new connections, implement this. Depending on your purposes, you can ignore almost everything. At the easiest, you can send the same response for every request, which just involves writing text to the socket.
The main problem is that operator [] is used to insert and read a value into and from the map, so it cannot be const. If the key does not exist, it will create a new entry with a default value in it, incrementing the size of the map, that will contain a new key with an empty string ,in this particular case, as a value if the key does not exist yet. You should avoid operator[] when reading from a map and use, as was mention before, "map.at(key)" to ensure bound checking. This is one of the most common mistakes people often do with maps. You should use "insert" and "at" unless your code is aware of this fact. Check this talk about common bugs Curiously Recurring C++ Bugs at Facebook
You might be interested in pyp. Citing my other answer:
"The Pyed Piper", or pyp, is a linux command line text manipulation tool similar to awk or sed, but which uses standard python string and list methods as well as custom functions evolved to generate fast results in an intense production environment.
I just found Scandinavian Keyboard as a fine solution to this problem. It do also have English and German keyboard, but neither Dutch nor Spanish - but I guess they could be added. And I guess there is other alternatives out there.
Declare an instance of the CBetfairAPI class or make it static.