In case you don't want this changes to be committed at all do
git reset --hard
.
Next you can checkout to wanted branch, but remember that uncommitted changes will be lost.
Your vncserver have a configuration file somewher that set the display number. To do it automaticaly, one solution is to parse this file, extract the number and set it correctly. A simpler (better) is to have this display number set in a config script and use it in both your VNC server config and in your init scripts.
You can drop in and out of the PHP context using the <?php
and ?>
tags. For example...
<?php
$array = array(1, 2, 3, 4);
?>
<table>
<thead><tr><th>Number</th></tr></thead>
<tbody>
<?php foreach ($array as $num) : ?>
<tr><td><?= htmlspecialchars($num) ?></td></tr>
<?php endforeach ?>
</tbody>
</table>
On Linux try these:
set wrap off
set trimout ON
set trimspool on
set serveroutput on
set pagesize 0
set long 20000000
set longchunksize 20000000
set linesize 4000
You need to read your input as a string first, then parse the string to see if it contains valid numeric characters. If it does then you can convert it to an integer.
char s[MAX_LINE];
valid = FALSE;
fgets(s, sizeof(s), stdin);
len = strlen(s);
while (len > 0 && isspace(s[len - 1]))
len--; // strip trailing newline or other white space
if (len > 0)
{
valid = TRUE;
for (i = 0; i < len; ++i)
{
if (!isdigit(s[i]))
{
valid = FALSE;
break;
}
}
}
localStorage
is something that is kept on the client side. There is no data transmitted to the server side.
You can only get the data with JavaScript and you can send it to the server side with Ajax.
As of Java 7 (and Android API level 19):
System.lineSeparator()
Documentation: Java Platform SE 7
For older versions of Java, use:
System.getProperty("line.separator");
See https://java.sun.com/docs/books/tutorial/essential/environment/sysprop.html for other properties.
Use YouTube Android Player API.
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.andreaskonstantakos.vfy.MainActivity">
<com.google.android.youtube.player.YouTubePlayerView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:visibility="visible"
android:layout_centerHorizontal="true"
android:id="@+id/youtube_player"
android:layout_alignParentTop="true" />
<Button
android:text="Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="195dp"
android:visibility="visible"
android:id="@+id/button" />
</RelativeLayout>
MainActivity.java:
package com.example.andreaskonstantakos.vfy;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import com.google.android.youtube.player.YouTubeBaseActivity;
import com.google.android.youtube.player.YouTubeInitializationResult;
import com.google.android.youtube.player.YouTubePlayer;
import com.google.android.youtube.player.YouTubePlayerView;
public class MainActivity extends YouTubeBaseActivity {
YouTubePlayerView youTubePlayerView;
Button button;
YouTubePlayer.OnInitializedListener onInitializedListener;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
youTubePlayerView = (YouTubePlayerView) findViewById(R.id.youtube_player);
button = (Button) findViewById(R.id.button);
onInitializedListener = new YouTubePlayer.OnInitializedListener(){
@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean b) {
youTubePlayer.loadVideo("Hce74cEAAaE");
youTubePlayer.play();
}
@Override
public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult youTubeInitializationResult) {
}
};
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
youTubePlayerView.initialize(PlayerConfig.API_KEY,onInitializedListener);
}
});
}
}
and the PlayerConfig.java class:
package com.example.andreaskonstantakos.vfy;
/**
* Created by Andreas Konstantakos on 13/4/2017.
*/
public class PlayerConfig {
PlayerConfig(){}
public static final String API_KEY =
"xxxxx";
}
Replace the "Hce74cEAAaE" with your video ID from https://www.youtube.com/watch?v=Hce74cEAAaE. Get your API_KEY from Console.developers.google.com and also replace it on the PlayerConfig.API_KEY. For any further information you can follow the following tutorial step by step: https://www.youtube.com/watch?v=3LiubyYpEUk
In addition to what eugene and stevenl posted, you might encounter problems with using both <>
and <STDIN>
in one script: <>
iterates through (=concatenating) all files given as command line arguments.
However, should a user ever forget to specify a file on the command line, it will read from STDIN, and your code will wait forever on input
I tried the solution above for my problem at it worked like a charm. Thanks!
http://jsfiddle.net/leighboone/wn9Ym/7/
Here is my version of that:
var myApp = angular.module('myApp', []);
function MyCtrl($scope) {
$scope.models = [{
name: 'Device1',
checked: true
}, {
name: 'Device1',
checked: true
}, {
name: 'Device1',
checked: true
}];
}
and my HTML
<div ng-app="myApp">
<div ng-controller="MyCtrl">
<h1>Fun with Fields and ngModel</h1>
<p>names: {{models}}</p>
<table class="table table-striped">
<thead>
<tr>
<th></th>
<th>Feature 1</td>
<th>Feature 2</th>
<th>Feature 3</th>
</tr>
</thead>
<tbody>
<tr>
<td>Device</td>
<td ng-repeat="modelCheck in models" class=""> <span>
{{modelCheck.checked}}
</span>
</td>
</tr>
<tr>
<td>
<label class="control-label">Which devices?</label>
</td>
<td ng-repeat="model in models">{{model.name}}
<input type="checkbox" class="checkbox inline" ng-model="model.checked" />
</td>
</tr>
</tbody>
</table>
</div>
</div>
Further more to the Above Accepted Answer
For those who were wondering about :=
& =
Significant difference between :=
and =
, and that is that :=
works as a variable-assignment operator everywhere, while =
only works that way in SET statements, and is a comparison operator everywhere else.
So SELECT @var = 1 + 1;
will leave @var
unchanged and return a boolean (1 or 0 depending on the current value of @var), while SELECT @var := 1 + 1;
will change @var
to 2, and return 2.
[Source]
If you have setter and getter as private it will come up in PMD checks.
The suggested options of using to_utc
or utc
to fix the local time offset does not work. For me I found using Time.utc()
worked correctly and the code involves less steps:
> Time.utc(2016, 12, 25).to_i
=> 1482624000 # correct
vs
> Date.new(2016, 12, 25).to_time.utc.to_i
=> 1482584400 # incorrect
Here is what happens when you call utc after using Date
....
> Date.new(2016, 12, 25).to_time
=> 2016-12-25 00:00:00 +1100 # This will use your system's time offset
> Date.new(2016, 12, 25).to_time.utc
=> 2016-12-24 13:00:00 UTC
...so clearly calling to_i
is going to give the wrong timestamp.
The process manager + task scheduler approach I posted a year ago works well with some one-off service installations. But recently I started to design system in a micro-service fashion, with many small services talking to each other via IPC. So manually configuring each service has become unbearable.
Towards the goal of installing services without manual configuration, I created serman, a command line tool (install with npm i -g serman
) to install an executable as a service. All you need to write (and only write once) is a simple service configuration file along with your executable. Run
serman install <path_to_config_file>
will install the service. stdout
and stderr
are all logged. For more info, take a look at the project website.
A working configuration file is very simple, as demonstrated below. But it also has many useful features such as <env>
and <persistent_env>
below.
<service>
<id>hello</id>
<name>hello</name>
<description>This service runs the hello application</description>
<executable>node.exe</executable>
<!--
{{dir}} will be expanded to the containing directory of your
config file, which is normally where your executable locates
-->
<arguments>"{{dir}}\hello.js"</arguments>
<logmode>rotate</logmode>
<!-- OPTIONAL FEATURE:
NODE_ENV=production will be an environment variable
available to your application, but not visible outside
of your application
-->
<env name="NODE_ENV" value="production"/>
<!-- OPTIONAL FEATURE:
FOO_SERVICE_PORT=8989 will be persisted as an environment
variable machine-wide.
-->
<persistent_env name="FOO_SERVICE_PORT" value="8989" />
</service>
Always use UTC:
For example I have a schedule component that takes in one parameter DATETIME. When I call this using a GET verb I use the following format where my incoming parameter name is scheduleDate.
Example:
https://localhost/api/getScheduleForDate?scheduleDate=2003-11-21T01:11:11Z
Upon hours of debugging, it was just an c# error in my html view. Check your view and track down any error
Don't comment c# code using html style ie
All you need to do is reverse your ORDER BY
. Add or remove DESC
to it.
I've came across some other documents which they use \set
to declare scripting variable but the value is seems to be like constant value and I'm finding for way that can be acts like a variable not a constant variable.
Ex:
\set Comm 150
select sal, sal+:Comm from emp
Here sal
is the value that is present in the table 'emp' and comm
is the constant value.
Let your callback return false
and pass that on to the onclick
handler:
<a href="#" onclick="return callmymethod(24)">Call</a>
function callmymethod(myVal){
//doing custom things with myVal
//here I want to prevent default
return false;
}
To create maintainable code, however, you should abstain from using "inline Javascript" (i.e.: code that's directly within an element's tag) and modify an element's behavior via an included Javascript source file (it's called unobtrusive Javascript).
The mark-up:
<a href="#" id="myAnchor">Call</a>
The code (separate file):
// Code example using Prototype JS API
$('myAnchor').observe('click', function(event) {
Event.stop(event); // suppress default click behavior, cancel the event
/* your onclick code goes here */
});
You can use this function
public void delete()
{
File f = new File("E://implementation1/");
File[] files = f.listFiles();
for (File file : files) {
file.delete();
}
}
That's a very complex question for a simple answer.
You may want to take a look at existing API frameworks, like Swagger Specification (OpenAPI), and services like apiary.io and apiblueprint.org.
Also, here's an example of the same REST API described, organized and even styled in three different ways. It may be a good start for you to learn from existing common ways.
At the very top level I think quality REST API docs require at least the following:
Also there are a lot of JSON/XML-based doc frameworks which can parse your API definition or schema and generate a convenient set of docs for you. But the choice for a doc generation system depends on your project, language, development environment and many other things.
There are also several jquery plugins that deal with this issue, but many do not handle multiple lines of text. Following works:
There also some preformance tests.
myWebView.loadData(myHtmlString, "text/html; charset=UTF-8", null);
This works flawlessly, especially on Android 4.0, which apparently ignores character encoding inside HTML.
Tested on 2.3 and 4.0.3.
In fact, I have no idea about what other values besides "base64" does the last parameter take. Some Google examples put null in there.
1. Rename master
branch to your newbranch
(assuming you are on master
branch):
git branch -m newbranch
2. Create master
branch from the commit that you wish:
git checkout -b master <seven_char_commit_id>
e.g. git checkout -b master a34bc22
I solve the problem the following way (MySQL only)
$q = $dbh->prepare("DESCRIBE tablename");
$q->execute();
$table_fields = $q->fetchAll(PDO::FETCH_COLUMN);
Like all OO languages, Groovy has no concept of "global" by itself (unlike, say, BASIC, Python or Perl).
If you have several methods that need to share the same variable, use a field:
class Foo {
def a;
def foo() {
a = 1;
}
def bar() {
print a;
}
}
https://www.youtube.com/watch?v=g789PvvW4qo really helped me. What had done is open SDK Manager and download any new SDK Platform (dont worry it wont affect your desired api level).
Because with downlaoding any SDK Platforms(API level), you should accept licences. That's the trick worked for me.
public static byte[] ToByteArray(Stream stream)
{
if (stream is MemoryStream)
{
return ((MemoryStream)stream).ToArray();
}
else
{
byte[] buffer = new byte[16 * 1024];
using (MemoryStream ms = new MemoryStream())
{
int read;
while ((read = stream.Read(buffer, 0, buffer.Length)) > 0)
{
ms.Write(buffer, 0, read);
}
return ms.ToArray();
}
}
}
private void button4_Click(object sender, EventArgs e)
{
String st = "DELETE FROM supplier WHERE supplier_id =" + textBox1.Text;
SqlCommand sqlcom = new SqlCommand(st, myConnection);
try
{
sqlcom.ExecuteNonQuery();
MessageBox.Show("????");
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message);
}
}
private void button6_Click(object sender, EventArgs e)
{
String st = "SELECT * FROM suppliers";
SqlCommand sqlcom = new SqlCommand(st, myConnection);
try
{
sqlcom.ExecuteNonQuery();
SqlDataReader reader = sqlcom.ExecuteReader();
DataTable datatable = new DataTable();
datatable.Load(reader);
dataGridView1.DataSource = datatable;
//MessageBox.Show("LEFT OUTER??");
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message);
}
}
Your form should look like this :
<form action="myprocessingscript.php" method="POST">
<input name="field1" type="text" />
<input name="field2" type="text" />
<input type="submit" name="submit" value="Save Data">
</form>
and the PHP
<?php
if(isset($_POST['field1']) && isset($_POST['field2'])) {
$data = $_POST['field1'] . '-' . $_POST['field2'] . "\r\n";
$ret = file_put_contents('/tmp/mydata.txt', $data, FILE_APPEND | LOCK_EX);
if($ret === false) {
die('There was an error writing this file');
}
else {
echo "$ret bytes written to file";
}
}
else {
die('no post data to process');
}
I wrote to /tmp/mydata.txt
because this way I know exactly where it is. using data.txt
writes to that file in the current working directory which I know nothing of in your example.
file_put_contents
opens, writes and closes files for you. Don't mess with it.
Further reading: file_put_contents
It's certainly possible to grab a screenshot using the .NET Framework. The simplest way is to create a new Bitmap
object and draw into that using the Graphics.CopyFromScreen
method.
Sample code:
using (Bitmap bmpScreenCapture = new Bitmap(Screen.PrimaryScreen.Bounds.Width,
Screen.PrimaryScreen.Bounds.Height))
using (Graphics g = Graphics.FromImage(bmpScreenCapture))
{
g.CopyFromScreen(Screen.PrimaryScreen.Bounds.X,
Screen.PrimaryScreen.Bounds.Y,
0, 0,
bmpScreenCapture.Size,
CopyPixelOperation.SourceCopy);
}
Caveat: This method doesn't work properly for layered windows. Hans Passant's answer here explains the more complicated method required to get those in your screen shots.
$("#ddlMultiselect").val('').trigger("change");
for multi-select drop-down, it will clear displayed text.
So the base idea is that you are running a UI operation on a fragment that is getting in the onDetach lifecycle.
When this is happening the fragment is getting off the stack and losing the context of the Activity.
So when you call UI related functions for example calling the progress spinner and you want to leave the fragment check if the Fragment is added to the stack, like this:
if(isAdded){ progressBar.visibility=View.VISIBLE }
You escape '
by doubling it, so:
Select * from tblStudents where name like 'Daniel O''Neal'
Note that if you're accepting "Daniel O'Neal" from user input, the broken quotation is a serious security issue. You should always sanitize the string or use parametrized queries.
public static void main(String[] args) {
List<String> list = Arrays.asList("one", "two", "three", "seven", "nine");
AtomicBoolean yes = new AtomicBoolean(true);
list.stream().takeWhile(value -> yes.get()).forEach(value -> {
System.out.println("prior cond" + value);
if (value.equals("two")) {
System.out.println(value);
yes.set(false);
}
});
//System.out.println("Hello World");
}
Both 'is' and 'as' are valid syntax. Output is disabled by default. Try a procedure that also enables output...
create or replace procedure temp_proc is
begin
DBMS_OUTPUT.ENABLE(1000000);
DBMS_OUTPUT.PUT_LINE('Test');
end;
...and call it in a PLSQL block...
begin
temp_proc;
end;
...as SQL is non-procedural.
You can easily pick image from asset without UIImage(named: "green-square-Retina")
.
Instead use the image object directly from bundle.
Start typing the image name and you will get suggestions with actual image from bundle. It is advisable practice and less prone to error.
See this Stackoverflow answer for reference.
This is the Kotlin way:
In fragment_map.xml
you should have:
<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent" />
In your MapFragment.kt
you should have:
private fun setupMap() {
(childFragmentManager.findFragmentById(R.id.map) as SupportMapFragment?)!!.getMapAsync(this)
}
Call setupMap()
in onCreateView
.
Just finish it up.
string sqlCommand = "SELECT * FROM TABLE";
string connectionString = "blahblah";
DataSet ds = GetDataSet(sqlCommand, connectionString);
DataSet GetDataSet(string sqlCommand, string connectionString)
{
DataSet ds = new DataSet();
using (SqlCommand cmd = new SqlCommand(
sqlCommand, new SqlConnection(connectionString)))
{
cmd.Connection.Open();
DataTable table = new DataTable();
table.Load(cmd.ExecuteReader());
ds.Tables.Add(table);
}
return ds;
}
You can use Mockito.any() when arguments are arrays also. I used it like this:
verify(myMock, times(0)).setContents(any(), any());
It's something they've built themselves - it's called Bigtable.
http://en.wikipedia.org/wiki/BigTable
There is a paper by Google on the database:
I have tried these hash functions and got the following result. I have about 960^3 entries, each 64 bytes long, 64 chars in different order, hash value 32bit. Codes from here.
Hash function | collision rate | how many minutes to finish
==============================================================
MurmurHash3 | 6.?% | 4m15s
Jenkins One.. | 6.1% | 6m54s
Bob, 1st in link | 6.16% | 5m34s
SuperFastHash | 10% | 4m58s
bernstein | 20% | 14s only finish 1/20
one_at_a_time | 6.16% | 7m5s
crc | 6.16% | 7m56s
One strange things is that almost all the hash functions have 6% collision rate for my data.
Go to
Keychain Access
-> Right-click on login
-> Lock & unlock again
Xcode
-> Clean Xcode project
->Make build again
Based on the community wiki algorithm and this SO answer for transposing arrays, here is a Swift 4 version to rotate some 2D array 90 degrees counter-clockwise. This assumes matrix
is a 2D array:
func rotate(matrix: [[Int]]) -> [[Int]] {
let transposedPoints = transpose(input: matrix)
let rotatedPoints = transposedPoints.map{ Array($0.reversed()) }
return rotatedPoints
}
fileprivate func transpose<T>(input: [[T]]) -> [[T]] {
if input.isEmpty { return [[T]]() }
let count = input[0].count
var out = [[T]](repeating: [T](), count: count)
for outer in input {
for (index, inner) in outer.enumerated() {
out[index].append(inner)
}
}
return out
}
For four_grams it is already in NLTK, here is a piece of code that can help you toward this:
from nltk.collocations import *
import nltk
#You should tokenize your text
text = "I do not like green eggs and ham, I do not like them Sam I am!"
tokens = nltk.wordpunct_tokenize(text)
fourgrams=nltk.collocations.QuadgramCollocationFinder.from_words(tokens)
for fourgram, freq in fourgrams.ngram_fd.items():
print fourgram, freq
I hope it helps.
It's browser dependent. "By default, Internet Explorer has a KeepAliveTimeout value of one minute and an additional limiting factor (ServerInfoTimeout) of two minutes. Either setting can cause Internet Explorer to reset the socket." - from IE support http://support.microsoft.com/kb/813827
Firefox is around the same value I think as well.
Usually though server timeout are set lower than browser timeouts, but at least you can control that and set it higher.
You'd rather handle the timeout though, so that way you can act upon such an event. See this thread: How to detect timeout on an AJAX (XmlHttpRequest) call in the browser?
I tried all of the above solutions and none worked.
What I did was:
And then it worked. The shocking thing was that I had entered the Storyboar ID in interface builder and it got removed/deleted after opening Xcode again.
Hope this helps someone.
To give more elaboration on the bitwise operator method for those of us who didn't do much boolean algebra during our studies, here is an explanation. Probably not of much use to the OP, but I felt like making it clear why NUMBER & 1 works.
Please note like as someone answered above, the way negative numbers are represented can stop this method working. In fact it can even break the modulo operator method too since each language can differ in how it deals with negative operands.
However if you know that NUMBER will always be positive, this works well.
As Tooony above made the point that only the last digit in binary (and denary) is important.
A boolean logic AND gate dictates that both inputs have to be a 1 (or high voltage) for 1 to be returned.
1 & 0 = 0.
0 & 1 = 0.
0 & 0 = 0.
1 & 1 = 1.
If you represent any number as binary (I have used an 8 bit representation here), odd numbers have 1 at the end, even numbers have 0.
For example:
1 = 00000001
2 = 00000010
3 = 00000011
4 = 00000100
If you take any number and use bitwise AND (& in java) it by 1 it will either return 00000001, = 1 meaning the number is odd. Or 00000000 = 0, meaning the number is even.
E.g
Is odd?
1 & 1 =
00000001 &
00000001 =
00000001 <— Odd
2 & 1 =
00000010 &
00000001 =
00000000 <— Even
54 & 1 =
00000001 &
00110110 =
00000000 <— Even
This is why this works:
if(number & 1){
//Number is odd
} else {
//Number is even
}
Sorry if this is redundant.
For a lot of utility-type methods, the apache commons libraries have solid implementations that you can either leverage or get additional insight from. In this case, there is a method for finding the smallest of three doubles available in org.apache.commons.lang.math.NumberUtils. Their implementation is actually nearly identical to your initial thought:
public static double min(double a, double b, double c) {
return Math.min(Math.min(a, b), c);
}
Here's a more flexible way.
let's say this is your form.
<form>
<input type='checkbox' name='user_ids[]' value='1'id='checkbox_1' />
<input type='checkbox' name='user_ids[]' value='2'id='checkbox_2' />
<input type='checkbox' name='user_ids[]' value='3'id='checkbox_3' />
<input name="confirm" type="button" value="confirm" onclick="submit_form();" />
</form>
And this is your jquery ajax below...
// Don't get confused at this portion right here
// cuz "var data" will get all the values that the form
// has submitted in the $_POST. It doesn't matter if you
// try to pass a text or password or select form element.
// Remember that the "form" is not a name attribute
// of the form, but the "form element" itself that submitted
// the current post method
var data = $("form").serialize();
$.ajax({
url: "link/of/your/ajax.php", // link of your "whatever" php
type: "POST",
async: true,
cache: false,
data: data, // all data will be passed here
success: function(data){
alert(data) // The data that is echoed from the ajax.php
}
});
And in your ajax.php, you try echoing or print_r your post to see what's happening inside it. This should look like this. Only checkboxes that you checked will be returned. If you didn't checked any, it will return an error.
<?php
print_r($_POST); // this will be echoed back to you upon success.
echo "This one too, will be echoed back to you";
Hope that is clear enough.
Changing your lists to numpy
arrays will do the job!!
import matplotlib.pyplot as plt
from scipy import stats
import numpy as np
x = np.array([0.46,0.59,0.68,0.99,0.39,0.31,1.09,0.77,0.72,0.49,0.55,0.62,0.58,0.88,0.78]) # x is a numpy array now
y = np.array([0.315,0.383,0.452,0.650,0.279,0.215,0.727,0.512,0.478,0.335,0.365,0.424,0.390,0.585,0.511]) # y is a numpy array now
xerr = [0.01]*15
yerr = [0.001]*15
plt.rc('font', family='serif', size=13)
m, b = np.polyfit(x, y, 1)
plt.plot(x,y,'s',color='#0066FF')
plt.plot(x, m*x + b, 'r-') #BREAKS ON THIS LINE
plt.errorbar(x,y,xerr=xerr,yerr=0,linestyle="None",color='black')
plt.xlabel('$\Delta t$ $(s)$',fontsize=20)
plt.ylabel('$\Delta p$ $(hPa)$',fontsize=20)
plt.autoscale(enable=True, axis=u'both', tight=False)
plt.grid(False)
plt.xlim(0.2,1.2)
plt.ylim(0,0.8)
plt.show()
I hope to provide more background knowledge here.
First, constructor signature of the of method threading::Thread:
class threading.Thread(group=None, target=None, name=None, args=(), kwargs={}, *, daemon=None)
args is the argument tuple for the target invocation. Defaults to ().
Second, A quirk in Python about tuple
:
Empty tuples are constructed by an empty pair of parentheses; a tuple with one item is constructed by following a value with a comma (it is not sufficient to enclose a single value in parentheses).
On the other hand, a string is a sequence of characters, like 'abc'[1] == 'b'
. So if send a string to args
, even in parentheses (still a sting), each character will be treated as a single parameter.
However, Python is so integrated and is not like JavaScript where extra arguments can be tolerated. Instead, it throws an TypeError
to complain.
BundleConfig
is nothing more than bundle configuration moved to separate file. It used to be part of app startup code (filters, bundles, routes used to be configured in one class)
To add this file, first you need to add the Microsoft.AspNet.Web.Optimization
nuget package to your web project:
Install-Package Microsoft.AspNet.Web.Optimization
Then under the App_Start folder create a new cs file called BundleConfig.cs
. Here is what I have in my mine (ASP.NET MVC 5, but it should work with MVC 4):
using System.Web;
using System.Web.Optimization;
namespace CodeRepository.Web
{
public class BundleConfig
{
// For more information on bundling, visit http://go.microsoft.com/fwlink/?LinkId=301862
public static void RegisterBundles(BundleCollection bundles)
{
bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
"~/Scripts/jquery-{version}.js"));
bundles.Add(new ScriptBundle("~/bundles/jqueryval").Include(
"~/Scripts/jquery.validate*"));
// Use the development version of Modernizr to develop with and learn from. Then, when you're
// ready for production, use the build tool at http://modernizr.com to pick only the tests you need.
bundles.Add(new ScriptBundle("~/bundles/modernizr").Include(
"~/Scripts/modernizr-*"));
bundles.Add(new ScriptBundle("~/bundles/bootstrap").Include(
"~/Scripts/bootstrap.js",
"~/Scripts/respond.js"));
bundles.Add(new StyleBundle("~/Content/css").Include(
"~/Content/bootstrap.css",
"~/Content/site.css"));
}
}
}
Then modify your Global.asax and add a call to RegisterBundles()
in Application_Start()
:
using System.Web.Optimization;
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
}
A closely related question: How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
First things first, if the date property is storing a date, store it using a DateTime. If you parse the date through the sort you have to parse it for each item being compared, that's not very efficient...
You can then make an IComparer:
public class TagComparer : IComparer<cTag>
{
public int Compare(cTag first, cTag second)
{
if (first != null && second != null)
{
// We can compare both properties.
return first.date.CompareTo(second.date);
}
if (first == null && second == null)
{
// We can't compare any properties, so they are essentially equal.
return 0;
}
if (first != null)
{
// Only the first instance is not null, so prefer that.
return -1;
}
// Only the second instance is not null, so prefer that.
return 1;
}
}
var list = new List<cTag>();
// populate list.
list.Sort(new TagComparer());
You can even do it as a delegate:
list.Sort((first, second) =>
{
if (first != null && second != null)
return first.date.CompareTo(second.date);
if (first == null && second == null)
return 0;
if (first != null)
return -1;
return 1;
});
Ok, first e.preventDefault();
it's not a Jquery element, it's a method of javascript, now what it's true it's if you add this method you avoid the submit the event, now what you could do it's send the form by ajax something like this
$('#subscription_order_form').submit(function(e){
$.ajax({
url: $(this).attr('action'),
data : $(this).serialize(),
success : function (data){
}
});
e.preventDefault();
});
The your seems a multi-array, not a JSON object.
If you want access the object like an array, you have to use some sort of key/value, such as:
var JSONObject = {
"city": ["Blankaholm, "Gamleby"],
"date": ["2012-10-23", "2012-10-22"],
"description": ["Blankaholm. Under natten har det varit inbrott", "E22 i med Gamleby. Singelolycka. En bilist har.],
"lat": ["57.586174","16.521841"],
"long": ["57.893162","16.406090"]
}
and access it with:
JSONObject.city[0] // => Blankaholm
JSONObject.date[1] // => 2012-10-22
and so on...
or
JSONObject['city'][0] // => Blankaholm
JSONObject['date'][1] // => 2012-10-22
and so on...
or, in last resort, if you don't want change your structure, you can do something like that:
var JSONObject = {
"data": [
["Blankaholm, "Gamleby"],
["2012-10-23", "2012-10-22"],
["Blankaholm. Under natten har det varit inbrott", "E22 i med Gamleby. Singelolycka. En bilist har.],
["57.586174","16.521841"],
["57.893162","16.406090"]
]
}
JSONObject.data[0][1] // => Gambleby
% mysql --user=root mysql
CREATE USER 'monty'@'localhost' IDENTIFIED BY 'some_pass';
GRANT ALL PRIVILEGES ON *.* TO 'monty'@'localhost' WITH GRANT OPTION;
CREATE USER 'monty'@'%' IDENTIFIED BY 'some_pass';
GRANT ALL PRIVILEGES ON *.* TO 'monty'@'%' WITH GRANT OPTION;
CREATE USER 'admin'@'localhost';
GRANT RELOAD,PROCESS ON *.* TO 'admin'@'localhost';
CREATE USER 'dummy'@'localhost';
FLUSH PRIVILEGES;
That work for me
this.array.pop(index);
for example index = 3
this.array.pop(3);
I would try the program screen.
R doesn't have a concept of increment operator
(as for example ++ in C). However, it is not difficult to implement one yourself, for example:
inc <- function(x)
{
eval.parent(substitute(x <- x + 1))
}
In that case you would call
x <- 10
inc(x)
However, it introduces function call overhead, so it's slower than typing x <- x + 1
yourself. If I'm not mistaken increment operator
was introduced to make job for compiler easier, as it could convert the code to those machine language instructions directly.
There only solution that worked for me: and only for Angular Projects:
Just go into your project ".editorconfig" file and paste 'quote_type = single'. Hope it should work for you as well.
To run once, daily at 10PM you should do something like this:
0 22 * * *
Full size image: http://i.stack.imgur.com/BeXHD.jpg
Source: softpanorama.org
For mac, Uncheck Offline Work
from Preference -> Build, Execution, Deployment -> Build Tools -> Gradle -> Global Gradle Settings
tip: cmd
+,
to open Preference
via shortcut key
This worked well for me when trying to do something similar:
grep -F ABB.log a.tmp
Use these commands :-
mysqldump <other mysqldump options> --routines > outputfile.sql
If we want to backup ONLY the stored procedures and triggers and not the mysql tables and data then we should run something like:
mysqldump --routines --no-create-info --no-data --no-create-db --skip-opt <database> > outputfile.sql
If you need to import them to another db/server you will have to run something like:
mysql <database> < outputfile.sql
Once you understand full process running machinery in *unix, you will easily find simplier solution:
Consider this simple example how to make timeoutable communicate() meth using select.select() (available alsmost everythere on *nix nowadays). This also can be written with epoll/poll/kqueue, but select.select() variant could be a good example for you. And major limitations of select.select() (speed and 1024 max fds) are not applicapable for your task.
This works under *nix, does not create threads, does not uses signals, can be lauched from any thread (not only main), and fast enought to read 250mb/s of data from stdout on my machine (i5 2.3ghz).
There is a problem in join'ing stdout/stderr at the end of communicate. If you have huge program output this could lead to big memory usage. But you can call communicate() several times with smaller timeouts.
class Popen(subprocess.Popen):
def communicate(self, input=None, timeout=None):
if timeout is None:
return subprocess.Popen.communicate(self, input)
if self.stdin:
# Flush stdio buffer, this might block if user
# has been writing to .stdin in an uncontrolled
# fashion.
self.stdin.flush()
if not input:
self.stdin.close()
read_set, write_set = [], []
stdout = stderr = None
if self.stdin and input:
write_set.append(self.stdin)
if self.stdout:
read_set.append(self.stdout)
stdout = []
if self.stderr:
read_set.append(self.stderr)
stderr = []
input_offset = 0
deadline = time.time() + timeout
while read_set or write_set:
try:
rlist, wlist, xlist = select.select(read_set, write_set, [], max(0, deadline - time.time()))
except select.error as ex:
if ex.args[0] == errno.EINTR:
continue
raise
if not (rlist or wlist):
# Just break if timeout
# Since we do not close stdout/stderr/stdin, we can call
# communicate() several times reading data by smaller pieces.
break
if self.stdin in wlist:
chunk = input[input_offset:input_offset + subprocess._PIPE_BUF]
try:
bytes_written = os.write(self.stdin.fileno(), chunk)
except OSError as ex:
if ex.errno == errno.EPIPE:
self.stdin.close()
write_set.remove(self.stdin)
else:
raise
else:
input_offset += bytes_written
if input_offset >= len(input):
self.stdin.close()
write_set.remove(self.stdin)
# Read stdout / stderr by 1024 bytes
for fn, tgt in (
(self.stdout, stdout),
(self.stderr, stderr),
):
if fn in rlist:
data = os.read(fn.fileno(), 1024)
if data == '':
fn.close()
read_set.remove(fn)
tgt.append(data)
if stdout is not None:
stdout = ''.join(stdout)
if stderr is not None:
stderr = ''.join(stderr)
return (stdout, stderr)
I had the same problem because I changed the user from myself to someone else:
su
For some reason, after did the normal compiling I was not able to execute it (the same error message). Directly ssh to the other user account works.
Just spent a hour or so doing this and with the help of Brad's advice and a few additional changes it all worked.
I've done this using the following: 10.7.3, Xcode 4.3.2, iOS 5.1 btw.
1) Right click on your myapp.xcodeproj
and select package contents
2) open project.pbxproj
with a text editor (don't recommend textedit as it may screw up the formatting)
3) Scroll all the way down until you find /* Begin XCBuildConfiguration section */
4) Notice that you have a debug and release sections
5) In the release section take a look at CODE_SIGN_IDENTITY
& "CODE_SIGN_IDENTITY[sdk=iphoneos*]"
it should look something like this:
CODE_SIGN_IDENTITY = "iPhone Distribution: MyCompany LLC";
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution: MyCompany LLC";
6) Take a look at PROVISIONING_PROFILE
and "PROVISIONING_PROFILE[sdk=iphoneos*]"
they should look like this:
PROVISIONING_PROFILE = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
"PROVISIONING_PROFILE[sdk=iphoneos*]" = "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX";
This should match your provisioning profile in Xcode. To see if they match open Xcode > Window > Organizer > Devices > Provisioning Profiles > Right click on the profile > Reveal in Finder > The filename of the .mobileprovision is your profile id.
7) Scroll down in the project.pbxproj
and find a second instance of the release section. The second instance of the release section should end with a comment saying /* End XCBuildConfiguration section */
8) make sure that the second section matches the first section so that CODE_SIGN_IDENTITY, "CODE_SIGN_IDENTITY[sdk=iphoneos*]
, and PROVISIONING_PROFILE
are all filled in.
You can use the button :
1 - make the text empty
2 - set the background for it
+3 - you can use the selector to more useful and nice button
About the imagebutton you can set the image source and the background the same picture and it must be (*.png) when you do it you can make any design for the button
and for more beauty button use the selector //just Google it ;)
Unfortunately, np.polynomial.polynomial.polyfit
returns the coefficients in the opposite order of that for np.polyfit
and np.polyval
(or, as you used np.poly1d
). To illustrate:
In [40]: np.polynomial.polynomial.polyfit(x, y, 4)
Out[40]:
array([ 84.29340848, -100.53595376, 44.83281408, -8.85931101,
0.65459882])
In [41]: np.polyfit(x, y, 4)
Out[41]:
array([ 0.65459882, -8.859311 , 44.83281407, -100.53595375,
84.29340846])
In general: np.polynomial.polynomial.polyfit
returns coefficients [A, B, C]
to A + Bx + Cx^2 + ...
, while np.polyfit
returns: ... + Ax^2 + Bx + C
.
So if you want to use this combination of functions, you must reverse the order of coefficients, as in:
ffit = np.polyval(coefs[::-1], x_new)
However, the documentation states clearly to avoid np.polyfit
, np.polyval
, and np.poly1d
, and instead to use only the new(er) package.
You're safest to use only the polynomial package:
import numpy.polynomial.polynomial as poly
coefs = poly.polyfit(x, y, 4)
ffit = poly.polyval(x_new, coefs)
plt.plot(x_new, ffit)
Or, to create the polynomial function:
ffit = poly.Polynomial(coefs) # instead of np.poly1d
plt.plot(x_new, ffit(x_new))
For people still looking for this answer, since configuration.locale
was deprecated from API 24, you can now use:
configuration.setLocale(locale);
Take in consideration that the minSkdVersion for this method is API 17.
Full example code:
@SuppressWarnings("deprecation")
private void setLocale(Locale locale){
SharedPrefUtils.saveLocale(locale); // optional - Helper method to save the selected language to SharedPreferences in case you might need to attach to activity context (you will need to code this)
Resources resources = getResources();
Configuration configuration = resources.getConfiguration();
DisplayMetrics displayMetrics = resources.getDisplayMetrics();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1){
configuration.setLocale(locale);
} else{
configuration.locale=locale;
}
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N){
getApplicationContext().createConfigurationContext(configuration);
} else {
resources.updateConfiguration(configuration,displayMetrics);
}
}
Don't forget that, if you change the locale with a running Activity, you will need to restart it for the changes to take effect.
EDIT 11th MAY 2018
As from @CookieMonster's post, you might have problems keeping the locale change in higher API versions. If so, add the following code to your Base Activity so that you update the context locale on every Activity creation:
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(updateBaseContextLocale(base));
}
private Context updateBaseContextLocale(Context context) {
String language = SharedPrefUtils.getSavedLanguage(); // Helper method to get saved language from SharedPreferences
Locale locale = new Locale(language);
Locale.setDefault(locale);
if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N) {
return updateResourcesLocale(context, locale);
}
return updateResourcesLocaleLegacy(context, locale);
}
@TargetApi(Build.VERSION_CODES.N_MR1)
private Context updateResourcesLocale(Context context, Locale locale) {
Configuration configuration = new Configuration(context.getResources().getConfiguration())
configuration.setLocale(locale);
return context.createConfigurationContext(configuration);
}
@SuppressWarnings("deprecation")
private Context updateResourcesLocaleLegacy(Context context, Locale locale) {
Resources resources = context.getResources();
Configuration configuration = resources.getConfiguration();
configuration.locale = locale;
resources.updateConfiguration(configuration, resources.getDisplayMetrics());
return context;
}
If you use this, don't forget to save the language to SharedPreferences when you set the locale with setLocate(locale)
EDIT 7th APRIL 2020
You might be experiencing issues in Android 6 and 7, and this happens due to an issue in the androidx libraries while handling the night mode. For this you will also need to override applyOverrideConfiguration
in your base activity and update the configuration's locale in case a fresh new locale one is created.
Sample code:
@Override
public void applyOverrideConfiguration(Configuration overrideConfiguration) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && Build.VERSION.SDK_INT <= Build.VERSION_CODES.N_MR1) {
// update overrideConfiguration with your locale
setLocale(overrideConfiguration) // you will need to implement this
}
super.applyOverrideConfiguration(overrideConfiguration);
}
You can change it by editing Globas.asax file (not Global.asax.cs). Find it in app folder in windows explorer then edit
<%@ Application Codebehind="Global.asax.cs" Inherits="YourAppName.Global" Language="C#" %>
to
<%@ Application Codebehind="Global.asax.cs" Inherits="YourAppName.MvcApplication" Language="C#" %>
The approach I would take is: when reading the chapters from the database, instead of a collection of chapters, use a collection of books. This will have your chapters organised into books and you'll be able to use information from both classes to present the information to the user (you can even present it in a hierarchical way easily when using this approach).
I'm finding that Tomcat can't seem to find classes defined in other projects, maybe even in the main project. It's failing on the filter definition which is the first definition in web.xml. If I add the project and its dependencies to the server's launch configuration then I just move on to a new error, all of which seems to point to it not setting up the project properly.
Our setup is quite complex. We have multiple components as projects in Eclipse with separate output projects. We have a separate webapp directory which contains the static HTML and images, as well as our WEB-INF.
Eclipse is "Europa Winter release". Tomcat is 6.0.18. I tried version 2.4 and 2.5 of the "Dynamic Web Module" facet.
Thanks for any help!
You should use contains not matches
if(nom.contains("."))
System.out.println("OK");
else
System.out.println("Bad");
This is pure JPA without using getters/setters. As of 2013/2014 it is the best answer without using any Hibernate specific annotations, but please note this solution is JPA 2.1, and was not available when the question was first asked:
@Entity
public class Person {
@Convert(converter=BooleanToStringConverter.class)
private Boolean isAlive;
...
}
And then:
@Converter
public class BooleanToStringConverter implements AttributeConverter<Boolean, String> {
@Override
public String convertToDatabaseColumn(Boolean value) {
return (value != null && value) ? "Y" : "N";
}
@Override
public Boolean convertToEntityAttribute(String value) {
return "Y".equals(value);
}
}
Edit:
The implementation above considers anything different from character "Y", including null
, as false
. Is that correct? Some people here consider this incorrect, and believe that null
in the database should be null
in Java.
But if you return null
in Java, it will give you a NullPointerException
if your field is a primitive boolean. In other words, unless some of your fields actually use the class Boolean it's best to consider null
as false
, and use the above implementation. Then Hibernate will not to emit any exceptions regardless of the contents of the database.
And if you do want to accept null
and emit exceptions if the contents of the database are not strictly correct, then I guess you should not accept any characters apart from "Y", "N" and null
. Make it consistent, and don't accept any variations like "y", "n", "0" and "1", which will only make your life harder later. This is a more strict implementation:
@Override
public String convertToDatabaseColumn(Boolean value) {
if (value == null) return null;
else return value ? "Y" : "N";
}
@Override
public Boolean convertToEntityAttribute(String value) {
if (value == null) return null;
else if (value.equals("Y")) return true;
else if (value.equals("N")) return false;
else throw new IllegalStateException("Invalid boolean character: " + value);
}
And yet another option, if you want to allow for null
in Java but not in the database:
@Override
public String convertToDatabaseColumn(Boolean value) {
if (value == null) return "-";
else return value ? "Y" : "N";
}
@Override
public Boolean convertToEntityAttribute(String value) {
if (value.equals("-") return null;
else if (value.equals("Y")) return true;
else if (value.equals("N")) return false;
else throw new IllegalStateException("Invalid boolean character: " + value);
}
The Immediate Window can also be used to execute commands. Just type a >
followed by the command.
For example >shell cmd
will start a command shell (this can be useful to check what environment variables were passed to Visual Studio, for example). >cls
will clear the screen.
Here is a list of commands that are so commonly used that they have their own aliases: https://msdn.microsoft.com/en-us/library/c3a0kd3x.aspx
In case you want to initialize a fixed array of pre-initialized equal (non-null
or other than default
) elements, use this:
var array = Enumerable.Repeat(string.Empty, 37).ToArray();
Also please take part in this discussion.
Using the getBytes
method, giving it the appropriate Charset
(or Charset
name).
Example:
String s = "Hello, there.";
byte[] b = s.getBytes(StandardCharsets.US_ASCII);
(Before Java 7: byte[] b = s.getBytes("US-ASCII");
)
I don't suggest you just hidding the stricts errors on your project. Intead, you should turn your method to static or try to creat a new instance of the object:
$var = new YourClass();
$var->method();
You can also use the new way to do the same since PHP 5.4:
(new YourClass)->method();
I hope it helps you!
Make sure JAVA_HOME is set and the path in environment variables. The PATH should be able to find the keytools.exe
Open “Windows search” and search for "Environment Variables"
Under “System variables” click the “New…” button and enter JAVA_HOME as “Variable name” and the path to your Java JDK directory under “Variable value” it should be similar to this C:\Program Files\Java\jre1.8.0_231
A static factory method is good when you want to ensure that only one single instance is going to return the concrete class to be used.
For example, in a database connection class, you may want to have only one class create the database connection, so that if you decide to switch from Mysql to Oracle you can just change the logic in one class, and the rest of the application will use the new connection.
If you want to implement database pooling, then that would also be done without affecting the rest of the application.
It protects the rest of the application from changes that you may make to the factory, which is the purpose.
The reason for it to be static is if you want to keep track of some limited resource (number of socket connections or file handles) then this class can keep track of how many have been passed out and returned, so you don't exhaust the limited resource.
I think this is a simple and intuitive method:
data = np.array([[0, 0], [0, 1] , [1, 0] , [1, 1]])
reward = np.array([1,0,1,0])
dataset = pd.DataFrame()
dataset['StateAttributes'] = data.tolist()
dataset['reward'] = reward.tolist()
dataset
returns:
But there are performance implications detailed here:
dataset <- matrix(sample(c(NA, 1:5), 25, replace = TRUE), 5);
data <- as.data.frame(dataset)
[,1] [,2] [,3] [,4] [,5] [1,] 2 3 5 5 4 [2,] 2 4 3 2 4 [3,] 2 NA NA NA 2 [4,] 2 3 NA 5 5 [5,] 2 3 2 2 3
data[is.na(data)] <- 0
Use &
SCSS
.container {
background:red;
color:white;
&.hello {
padding-left:50px;
}
}
https://sass-lang.com/documentation/style-rules/parent-selector
Here's an example of sending a POST request that properly encodes parameters using application/x-www-form-urlencoded
content type:
using (var client = new WebClient())
{
var values = new NameValueCollection
{
{ "param1", "value1" },
{ "param2", "value2" },
};
var result = client.UploadValues("http://foo.com", values);
}
While there are many ways to skin this cat, I prefer to wrap such code into reusable extension methods that make it trivial to do going forward. When using extension methods, you can also avoid RegEx as it is slower than a direct character check. I like using the extensions in the Extensions.cs NuGet package. It makes this check as simple as:
using Extensions;
" to the top of your code."smith23".IsAlphaNumeric()
will return True whereas "smith 23".IsAlphaNumeric(false)
will return False. By default the .IsAlphaNumeric()
method ignores spaces, but it can also be overridden as shown above. If you want to allow spaces such that "smith 23".IsAlphaNumeric()
will return True, simple default the arg.MyString.IsAlphaNumeric()
.This can be done with 3 lines of CSS and is compatible back to (and including) IE9:
.element {
position: relative;
top: 50%;
transform: translateY(-50%);
}
Example: http://jsfiddle.net/cas07zq8/
Could you try something like this for example I think what you are wanting to utilize is the port.ReadExisting() Method
using System;
using System.IO.Ports;
class SerialPortProgram
{
// Create the serial port with basic settings
private SerialPort port = new SerialPort("COM1",
9600, Parity.None, 8, StopBits.One);
[STAThread]
static void Main(string[] args)
{
// Instatiate this
SerialPortProgram();
}
private static void SerialPortProgram()
{
Console.WriteLine("Incoming Data:");
// Attach a method to be called when there
// is data waiting in the port's buffer
port.DataReceived += new SerialDataReceivedEventHandler(port_DataReceived);
// Begin communications
port.Open();
// Enter an application loop to keep this thread alive
Console.ReadLine();
}
private void port_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
// Show all the incoming data in the port's buffer
Console.WriteLine(port.ReadExisting());
}
}
Or is you want to do it based on what you were trying to do , you can try this
public class MySerialReader : IDisposable
{
private SerialPort serialPort;
private Queue<byte> recievedData = new Queue<byte>();
public MySerialReader()
{
serialPort = new SerialPort();
serialPort.Open();
serialPort.DataReceived += serialPort_DataReceived;
}
void serialPort_DataReceived(object s, SerialDataReceivedEventArgs e)
{
byte[] data = new byte[serialPort.BytesToRead];
serialPort.Read(data, 0, data.Length);
data.ToList().ForEach(b => recievedData.Enqueue(b));
processData();
}
void processData()
{
// Determine if we have a "packet" in the queue
if (recievedData.Count > 50)
{
var packet = Enumerable.Range(0, 50).Select(i => recievedData.Dequeue());
}
}
public void Dispose()
{
if (serialPort != null)
{
serialPort.Dispose();
}
}
We had trouble finding one that worked the way we wanted it to so I wrote one. I maintain the source and fix bugs as they arise plus provide free support.
http://www.yart.com.au/Resources/Programming/ASP-NET-JQuery-Date-Time-Control.aspx
On the command line:
php -i | grep sourceguardian
If it's there, then you'll get some text. If not, you won't get a thing.
Your closing your instance of the settings window right after you create it. You need to display the settings window first then wait for a dialog result. If it comes back as canceled then close the window. For Example:
private void button1_Click(object sender, EventArgs e)
{
Settings newSettingsWindow = new Settings();
if (newSettingsWindow.ShowDialog() == DialogResult.Cancel)
{
newSettingsWindow.Close();
}
}
Darkest Dark is the best dark theme. It also comes with different toolbar icon shapes. Here's the link :
https://marketplace.eclipse.org/content/darkest-dark-theme
Hope you like it.
There is a handy HAProxy wrapper.
docker run -it -p LOCALPORT:PROXYPORT --rm --link TARGET_CONTAINER:EZNAME -e "BACKEND_HOST=EZNAME" -e "BACKEND_PORT=PROXYPORT" demandbase/docker-tcp-proxy
This creates an HAProxy to the target container. easy peasy.
I was able to call my callback function at minimum of 250ms using audio tag and handling its ontimeupdate event. Its called 3-4 times in a second. Its better than one second lagging setTimeout
TextView textv = (TextView) findViewById(R.id.textview1);
textv.setShadowLayer(1, 0, 0, Color.BLACK);
use array detect
method if you wanted to return first value where block returns true
[1,2,3,11,34].detect(&:even?) #=> 2
OR
[1,2,3,11,34].detect{|i| i.even?} #=> 2
If you wanted to return all values where block returns true then use select
[1,2,3,11,34].select(&:even?) #=> [2, 34]
assertEquals(Object, Object)
from JUnit4/JUnit 5 or assertThat(actual, is(expected));
from Hamcrest proposed in the other answers will work only as both equals()
and toString()
are overrided for the classes (and deeply) of the compared objects.
It matters because the equality test in the assertion relies on equals()
and the test failure message relies on toString()
of the compared objects.
For built-in classes such as String
, Integer
and so for ... no problem as these override both equals()
and toString()
. So it is perfectly valid to assert List<String>
or List<Integer>
with assertEquals(Object,Object)
.
And about this matter : you have to override equals()
in a class because it makes sense in terms of object equality, not only to make assertions easier in a test with JUnit.
To make assertions easier you have other ways.
As a good practice I favor assertion/matcher libraries.
Here is a AssertJ solution.
org.assertj.core.api.ListAssert.containsExactly()
is what you need : it verifies that the actual group contains exactly the given values and nothing else, in order as stated in the javadoc.
Suppose a Foo
class where you add elements and where you can get that.
A unit test of Foo
that asserts that the two lists have the same content could look like :
import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;
@Test
void add() throws Exception {
Foo foo = new Foo();
foo.add("One", "Two", "Three");
Assertions.assertThat(foo.getElements())
.containsExactly("One", "Two", "Three");
}
A AssertJ good point is that declaring a List
as expected is needless : it makes the assertion straighter and the code more readable :
Assertions.assertThat(foo.getElements())
.containsExactly("One", "Two", "Three");
But Assertion/matcher libraries are a must because these will really further.
Suppose now that Foo
doesn't store String
s but Bar
s instances.
That is a very common need.
With AssertJ the assertion is still simple to write. Better you can assert that the list content are equal even if the class of the elements doesn't override equals()/hashCode()
while JUnit way requires that :
import org.assertj.core.api.Assertions;
import static org.assertj.core.groups.Tuple.tuple;
import org.junit.jupiter.api.Test;
@Test
void add() throws Exception {
Foo foo = new Foo();
foo.add(new Bar(1, "One"), new Bar(2, "Two"), new Bar(3, "Three"));
Assertions.assertThat(foo.getElements())
.extracting(Bar::getId, Bar::getName)
.containsExactly(tuple(1, "One"),
tuple(2, "Two"),
tuple(3, "Three"));
}
Or
import smtplib
from email.message import EmailMessage
from getpass import getpass
password = getpass()
message = EmailMessage()
message.set_content('Message content here')
message['Subject'] = 'Your subject here'
message['From'] = "USERNAME@DOMAIN"
message['To'] = "[email protected]"
try:
smtp_server = None
smtp_server = smtplib.SMTP("YOUR.MAIL.SERVER", 587)
smtp_server.ehlo()
smtp_server.starttls()
smtp_server.ehlo()
smtp_server.login("USERNAME@DOMAIN", password)
smtp_server.send_message(message)
except Exception as e:
print("Error: ", str(e))
finally:
if smtp_server is not None:
smtp_server.quit()
If you want to use Port 465 you have to create an SMTP_SSL
object.
Did you try the ||
operator ?
$(function() {
$('#sortable').sortable({
start: function(event, ui) {
var start_pos = ui.item.index();
ui.item.data('start_pos', start_pos);
},
change: function(event, ui) {
var start_pos = ui.item.data('start_pos');
var index = ui.placeholder.index();
if (start_pos < index) {
$('#sortable li:nth-child(' + index + ')').addClass('highlights');
} else {
$('#sortable li:eq(' + (index + 1) + ')').addClass('highlights');
}
},
update: function(event, ui) {
$('#sortable li').removeClass('highlights');
}
});
});
This can be done in one line, there's no need for a loop, be it a for-loop or an apply. Use unlist() instead :
# testdata
Df <- data.frame(
x = as.factor(sample(1:5,30,r=TRUE)),
y = as.factor(sample(1:5,30,r=TRUE)),
z = as.factor(sample(1:5,30,r=TRUE)),
w = as.factor(sample(1:5,30,r=TRUE))
)
##
Df[,c("y","w")] <- as.numeric(as.character(unlist(Df[,c("y","w")])))
str(Df)
Edit : for your code, this becomes :
id <- c(1,3:ncol(stats)))
stats[,id] <- as.numeric(as.character(unlist(stats[,id])))
Obviously, if you have a one-column data frame and you don't want the automatic dimension reduction of R to convert it to a vector, you'll have to add the drop=FALSE
argument.
you can even do this by numpy
import numpy as np
np.array(your_list,dtype=float)
this return np array of your list as float
you also can set 'dtype' as int
First of all, there is no difference between View.OnClickListener
and OnClickListener
. If you just use View.OnClickListener
directly, then you don't need to write-
import android.view.View.OnClickListener
You set an OnClickListener instance (e.g. myListener
named object)as the listener to a view via setOnclickListener()
. When a click
event is fired, that myListener
gets notified and it's onClick(View view)
method is called. Thats where we do our own task.
Hope this helps you.
You can do the following to learn/test the concept:
Open new Excel Workbook and in Excel VBA editor right-click on Modules->Insert->Module
In newly added Module1 add the declaration; Public Global1 As String
in Worksheet VBA Module Sheet1(Sheet1) put the code snippet:
Sub setMe() Global1 = "Hello" End Sub
Sub showMe() Debug.Print (Global1) End Sub
setMe()
and then Sub showMe()
to test the global visibility/accessibility of the var Global1
Hope this will help.
Here is a version based on the accepted answer. It fixes two problems...
I found this tool to be fast and effective for both JPG and PNG files.
private static FileInfo CreateThumbnailImage(string imageFileName, string thumbnailFileName)
{
const int thumbnailSize = 150;
using (var image = Image.FromFile(imageFileName))
{
var imageHeight = image.Height;
var imageWidth = image.Width;
if (imageHeight > imageWidth)
{
imageWidth = (int) (((float) imageWidth / (float) imageHeight) * thumbnailSize);
imageHeight = thumbnailSize;
}
else
{
imageHeight = (int) (((float) imageHeight / (float) imageWidth) * thumbnailSize);
imageWidth = thumbnailSize;
}
using (var thumb = image.GetThumbnailImage(imageWidth, imageHeight, () => false, IntPtr.Zero))
//Save off the new thumbnail
thumb.Save(thumbnailFileName);
}
return new FileInfo(thumbnailFileName);
}
File descriptor 1 is the standard output (stdout
).
File descriptor 2 is the standard error (stderr
).
Here is one way to remember this construct (although it is not entirely accurate): at first, 2>1
may look like a good way to redirect stderr
to stdout
. However, it will actually be interpreted as "redirect stderr
to a file named 1
". &
indicates that what follows and precedes is a file descriptor and not a filename. So the construct becomes: 2>&1
.
Consider >&
as redirect merger operator.
Give a class for eg: scroll
to the textarea tag. And in the css add this property -
.scroll::-webkit-scrollbar {
display: none;
}
_x000D_
<textarea class='scroll'></textarea>
_x000D_
It worked for without missing the scroll part
You can use a select into
statement. See more at W3Schools.
The right key can be obtained from the app itself by adding the following code to toast the proper key hash (in case of Facebook SDK 3.0 onwards, this works)
try {
PackageInfo info = getPackageManager().getPackageInfo("com.package.mypackage", PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
String sign=Base64.encodeToString(md.digest(), Base64.DEFAULT);
Log.e("MY KEY HASH:", sign);
Toast.makeText(getApplicationContext(),sign, Toast.LENGTH_LONG).show();
}
} catch (NameNotFoundException e) {
} catch (NoSuchAlgorithmException e) {
}
Replace com.package.mypackage with your package name
In ES6 you can do this:
let cake = '';
let pan = {
[cake]: '',
};
// Output -> { '': '' }
Old Way
let cake = '';
let pan = {};
pan[cake] = '';
// Output -> { '': '' }
open the flutter_console.bat file from the flutter SDK root folder and run the command
flutter doctor --android-licenses
it will accept the licenses of newly downloaded updates of Android SDK. You need to run it every time whenever you download and update the Android SDK.
// TODO: Finish.
I would use an intermediary object (itemsMap
), thus avoiding quadratic complexity:
function createItemsMap(itemsArray) { // {"a": ["Anne"], "b": ["Bob", "Henry"], …}
var itemsMap = {};
for (var i = 0, item; (item = itemsArray[i]); ++i) {
(itemsMap[item[1]] || (itemsMap[item[1]] = [])).push(item[0]);
}
return itemsMap;
}
function sortByKeys(itemsArray, sortingArr) {
var itemsMap = createItemsMap(itemsArray), result = [];
for (var i = 0; i < sortingArr.length; ++i) {
var key = sortingArr[i];
result.push([itemsMap[key].shift(), key]);
}
return result;
}
Microsoft has also implemented the operators '<' and '>'. So you use these to compare two dates.
if (date1 < DateTime.Now)
Console.WriteLine("Less than the current time!");
It doesn't work if you use Function, but works if you Sub. However, you cannot call a sub from a cell using formula.
I started to use
git show-branch --no-name <hash>
It seems to be faster than
git show -s --format=%s <hash>
Both give the same result
I actually wrote a small tool to see the status of all my repos. You can find it on github.
In addition, you need the "AllowOverride Options" directive for this to work. (Apache 2.2.15)
If anyone got an error while signing in to Google and this message appear:
Couldn't Sign In
can't establish a reliable connection to the server...
then try to sign in from the browser - in YouTube, Gmail, Google sites, etc.
This helped me. After signing in in the browser I was able to sign in the Google Play app...
html {
position:relative;
top:0px;
left:0px;
overflow:auto;
height:auto
}
add this as default to your css
.class-on-html{
position:fixed;
top:0px;
left:0px;
overflow:hidden;
height:100%;
}
toggleClass this class to to cut page
when you turn off this class first line will call scrolling bar back
protected void btnExportExcel_Click(object sender, EventArgs e)
{
DataTable _datatable = new DataTable();
for (int i = 0; i < grdReport.Columns.Count; i++)
{
_datatable.Columns.Add(grdReport.Columns[i].ToString());
}
foreach (GridViewRow row in grdReport.Rows)
{
DataRow dr = _datatable.NewRow();
for (int j = 0; j < grdReport.Columns.Count; j++)
{
if (!row.Cells[j].Text.Equals(" "))
dr[grdReport.Columns[j].ToString()] = row.Cells[j].Text;
}
_datatable.Rows.Add(dr);
}
ExportDataTableToExcel(_datatable);
}
Download it from here and extract LatoOFL.rar
then go to TTF and open this font-face-generator click at Choose File
choose font which you want to use and click at generate then download it and then go html
file open it and you see the code like this
@font-face {
font-family: "Lato Black";
src: url('698242188-Lato-Bla.eot');
src: url('698242188-Lato-Bla.eot?#iefix') format('embedded-opentype'),
url('698242188-Lato-Bla.svg#Lato Black') format('svg'),
url('698242188-Lato-Bla.woff') format('woff'),
url('698242188-Lato-Bla.ttf') format('truetype');
font-weight: normal;
font-style: normal;
}
body{
font-family: "Lato Black";
direction: ltr;
}
change the src code and give the url where your this font directory placed, now you can use it at your website...
If you don't want to download it use this
<link type='text/css' href='http://fonts.googleapis.com/css?family=Lato:400,700' />
try launching it via android-studio/eclipse plugin. Thats how I had similar issue when launching it from ubuntu.
In my own experience, even though theoretically many JetBrains products share the same functionalities, the new features that get introduced in some apps don't get immediately introduced in the others. In particular, IntelliJ IDEA has a new version once per year, while WebStorm and PHPStorm get 2 to 3 per year I think. Keep that in mind when choosing an IDE. :)
This is an edge case, but you can also get this error if you are building an MFC application with CMake.
In that case, you need to add the following definitions:
ADD_DEFINITIONS(-D_AFXDLL)
SET(CMAKE_MFC_FLAG 2) # or 1 if you are looking for the static library
If you are compiling with unicode, the following properties also need to be added:
set_target_properties(MyApp PROPERTIES
COMPILE_DEFINITIONS
_AFXDLL,_UNICODE,UNICODE,_BIND_TO_CURRENT_CRT_VERSION,_BIND_TO_CURRENT_MFC_VERSION
LINK_FLAGS "/ENTRY:\"wWinMainCRTStartup\""
)
You need to make sure the IIS Management Console is installed.
Here's a function I wrote another application. Feel free to reuse:
function writeCookie (key, value, days) {
var date = new Date();
// Default at 365 days.
days = days || 365;
// Get unix milliseconds at current time plus number of days
date.setTime(+ date + (days * 86400000)); //24 * 60 * 60 * 1000
window.document.cookie = key + "=" + value + "; expires=" + date.toGMTString() + "; path=/";
return value;
};
you can use high layout_weight attribute. Below you can see a layout where ListView takes all free space with buttons at bottom:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
tools:context=".ConfigurationActivity"
android:orientation="vertical"
>
<ListView
android:id="@+id/listView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1000"
/>
<Button
android:id="@+id/btnCreateNewRule"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Create New Rule" />
<Button
android:id="@+id/btnConfigureOk"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Ok" />
</LinearLayout>
I had to do something similar to Sean and ilalex's answer.
But I had too many options to explicitly define the sort order for and only needed to float certain entries to the front of the list ... in the specified (non-natural) order.
Hopefully this is helpful to someone else.
public class CarComparator implements Comparator<Car> {
//sort these items in this order to the front of the list
private static List<String> ORDER = Arrays.asList("dd", "aa", "cc", "bb");
public int compare(final Car o1, final Car o2) {
int result = 0;
int o1Index = ORDER.indexOf(o1.getName());
int o2Index = ORDER.indexOf(o2.getName());
//if neither are found in the order list, then do natural sort
//if only one is found in the order list, float it above the other
//if both are found in the order list, then do the index compare
if (o1Index < 0 && o2Index < 0) result = o1.getName().compareTo(o2.getName());
else if (o1Index < 0) result = 1;
else if (o2Index < 0) result = -1;
else result = o1Index - o2Index;
return result;
}
//Testing output: dd,aa,aa,cc,bb,bb,bb,a,aaa,ac,ac,ba,bd,ca,cb,cb,cd,da,db,dc,zz
}
I used pyplot
's axes
object to manually adjust the sizes without using GridSpec
:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(0, 10, 0.2)
y = np.sin(x)
# definitions for the axes
left, width = 0.07, 0.65
bottom, height = 0.1, .8
bottom_h = left_h = left+width+0.02
rect_cones = [left, bottom, width, height]
rect_box = [left_h, bottom, 0.17, height]
fig = plt.figure()
cones = plt.axes(rect_cones)
box = plt.axes(rect_box)
cones.plot(x, y)
box.plot(y, x)
plt.show()
Perhaps:
document.getElementById("myEle").className = "class1 class2";
Not tested, but should work.
what if your wrapping div was 100% and you used padding for a pixel amount, then if the padding # needs to be dynamic, you can easily use jQuery to modify your padding amount when your events fire.
Mapping in web.xml is what i have done :-
packagename.filename between opening and closing of servlet-class tag in xml file.
Both methods dont work with one another , so either i use annotation method of files mentioned when we create servlet or the way of mapping , then i delete or comment the annotation line. Eg:
<servlet>
<servlet-name>s1</servlet-name>
<servlet-class>performance.FirstServ</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>s1</servlet-name>
<url-pattern>/FirstServ</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>s2</servlet-name>
<servlet-class>performance.SecondServ</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>s2</servlet-name>
<url-pattern>/SecondServ</url-pattern>
</servlet-mapping>
Commenting the annotation line of code in the respective file,if mapping in xml is done.
//@WebServlet("/FirstServ")
//@WebServlet("/SecondServ")
You can try YConsole a js embedded console. It is lightweight and simple to use.
How to use :
<script type="text/javascript" src="js/YConsole-compiled.js"></script>
<script type="text/javascript" >YConsole.show();</script>
Why all people want to use '==' instead of simple '=' ? It is bad habit! It used only in [[ ]] expression. And in (( )) too. But you may use just = too! It work well in any case. If you use numbers, not strings use not parcing to strings and then compare like strings but compare numbers. like that
let -i i=5 # garantee that i is nubmber
test $i -eq 5 && echo "$i is equal 5" || echo "$i not equal 5"
It's match better and quicker. I'm expert in C/C++, Java, JavaScript. But if I use bash i never use '==' instead '='. Why you do so?
<style type="text/css">
#warning-message { display: none; }
@media only screen and (orientation:portrait){
#wrapper { display:none; }
#warning-message { display:block; }
}
@media only screen and (orientation:landscape){
#warning-message { display:none; }
}
</style>
....
<div id="wrapper">
<!-- your html for your website -->
</div>
<div id="warning-message">
this website is only viewable in landscape mode
</div>
You have no control over the user moving the orientation however you can at least message them. This example will hide the wrapper if in portrait mode and show the warning message and then hide the warning message in landscape mode and show the portrait.
I don't think this answer is any better than @Golmaal , only a compliment to it. If you like this answer, make sure to give @Golmaal the credit.
Update
I've been working with Cordova a lot recently and it turns out you CAN control it when you have access to the native features.
Another Update
So after releasing Cordova it is really terrible in the end. It is better to use something like React Native if you want JavaScript. It is really amazing and I know it isn't pure web but the pure web experience on mobile kind of failed.
The typical usage of shifting a variable and assigning back to the variable can be rewritten with shorthand operators <<=, >>=, or >>>=, also known in the spec as Compound Assignment Operators.
For example,
i >>= 2
produces the same result as
i = i >> 2
\if what you have posted is exactly what you are using then your problem is a bit obvious. Now assuming in your web.config you have you connection string defined like this
<add name="SiteSqlServer" connectionString="Data Source=(local);Initial Catalog=some_db;User ID=sa;Password=uvx8Pytec" providerName="System.Data.SqlClient" />
In your code you should use the value in the name attribute to refer to the connection string you want (you could actually define several connection strings to different databases), so you would have
con.ConnectionString = ConfigurationManager.ConnectionStrings["SiteSqlServer"].ConnectionString;
My implementation uses the svg element in html and I also made a generator for making the wave you want:
https://smooth.ie/blogs/news/svg-wavey-transitions-between-sections
<div style="height: 150px; overflow: hidden;">
<svg viewBox="0 0 500 150" preserveAspectRatio="none" style="height: 100%; width: 100%;">
<path d="M0.00,92.27 C216.83,192.92 304.30,8.39 500.00,109.03 L500.00,0.00 L0.00,0.00 Z" style="stroke: none;fill: #e1efe3;"></path>
</svg>
</div>
Intent intent = new Intent(getApplicationContext(),SomeClass.class);
intent.putExtra("value",all_thumbs);
startActivity(intent);
In SomeClass.java
Bundle b = getIntent().getExtras();
if(b != null)
thumbs = (List<Thumbnail>) b.getSerializable("value");
if you want the color to change when you have simply add the :hover
pseudo
div.e:hover {
background-color:red;
}
I know this question has been answered however I personally would not do @JasonMcCays answer due to the fact that cursors stream and this could cause an infinite cursor loop if the collection is still being used. Instead I would use a snapshot():
http://www.mongodb.org/display/DOCS/How+to+do+Snapshotted+Queries+in+the+Mongo+Database
@bens answer is also a good one and works well for hot backups of collections not only that but mongorestore does not need to share the same mongod.
It can be very pragmatic to configure specific infrastructure concerns as singletons or global variables. My favourite example of this is Dependency Injection frameworks that make use of singletons to act as a connection point to the framework.
In this case you are taking a dependency on the infrastructure to simplify using the library and avoid unneeded complexity.
Haven't you heard about the Comparable
interface being implemented by String
? If no, try to use
"abcda".compareTo("abcza")
And it will output a good root for a solution to your problem.
Try changing your CSS to this
button #rock {
background: url('img/rock.png') no-repeat;
}
...provided that the image is in that place
There is no inherent reason that a simple batch file would run in XP but not Windows 10. It is possible you are referencing a command or a 3rd party utility that no longer exists. To know more about what is actually happening, you will need to do one of the following:
pause
to the batch file so that you can see what is happening before it exits.
.bat
files and select "edit". This will open the file in notepad.pause
.- OR -
.bat
files are located, hold down the "shift" key and right click in the white space.Once you have done this, I recommend creating a new question with the output you see after using one of the methods above.
For a hyperlink just use www.facebook.com/++page ID++/like
Eg: www.facebook.com/MYPAGEISAWESOME/like
To make it work with m.facebook.com
here's what you do:
Open the Facebook page you're looking for then change the URL to the mobile URL ( which is www.m.facebook.com/MYPAGEISAWESOME
).
Now you should see a big version of the mobile Facebook page. Copy the target URL of the like button.
Pop that URL into the QR generator to make a "scan to like" barcode. This will open the m.Facebook
page in the browser of most mobiles directly from the QR reader. If they are not logged into Facebook then they will be prompted to log in and then click 'like'. If logged in, it will auto like.
Hope this helps!
Also, definitely include something with a "click here/scan here to like us on Facebook"
simply use delete
, but be aware that you should read fully what the effects are of using this:
delete object.index; //true
object.index; //undefined
but if I was to use like so:
var x = 1; //1
delete x; //false
x; //1
but if you do wish to delete variables in the global namespace, you can use it's global object such as window
, or using this
in the outermost scope i.e
var a = 'b';
delete a; //false
delete window.a; //true
delete this.a; //true
http://perfectionkills.com/understanding-delete/
another fact is that using delete on an array will not remove the index but only set the value to undefined, meaning in certain control structures such as for loops, you will still iterate over that entity, when it comes to array's you should use splice
which is a prototype of the array object.
Example Array:
var myCars=new Array();
myCars[0]="Saab";
myCars[1]="Volvo";
myCars[2]="BMW";
if I was to do:
delete myCars[1];
the resulting array would be:
["Saab", undefined, "BMW"]
but using splice like so:
myCars.splice(1,1);
would result in:
["Saab", "BMW"]
You can convert the SecretKey
to a byte array (byte[]
), then Base64 encode that to a String
. To convert back to a SecretKey
, Base64 decode the String and use it in a SecretKeySpec
to rebuild your original SecretKey
.
SecretKey to String:
// create new key
SecretKey secretKey = KeyGenerator.getInstance("AES").generateKey();
// get base64 encoded version of the key
String encodedKey = Base64.getEncoder().encodeToString(secretKey.getEncoded());
String to SecretKey:
// decode the base64 encoded string
byte[] decodedKey = Base64.getDecoder().decode(encodedKey);
// rebuild key using SecretKeySpec
SecretKey originalKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES");
NOTE I: you can skip the Base64 encoding/decoding part and just store the byte[]
in SQLite. That said, performing Base64 encoding/decoding is not an expensive operation and you can store strings in almost any DB without issues.
NOTE II: Earlier Java versions do not include a Base64 in one of the java.lang
or java.util
packages. It is however possible to use codecs from Apache Commons Codec, Bouncy Castle or Guava.
SecretKey to String:
// CREATE NEW KEY
// GET ENCODED VERSION OF KEY (THIS CAN BE STORED IN A DB)
SecretKey secretKey;
String stringKey;
try {secretKey = KeyGenerator.getInstance("AES").generateKey();}
catch (NoSuchAlgorithmException e) {/* LOG YOUR EXCEPTION */}
if (secretKey != null) {stringKey = Base64.encodeToString(secretKey.getEncoded(), Base64.DEFAULT)}
String to SecretKey:
// DECODE YOUR BASE64 STRING
// REBUILD KEY USING SecretKeySpec
byte[] encodedKey = Base64.decode(stringKey, Base64.DEFAULT);
SecretKey originalKey = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");
AStyle can be customized in great detail for C++ and Java (and others too)
This is a source code formatting tool.
clang-format is a powerful command line tool bundled with the clang compiler which handles even the most obscure language constructs in a coherent way.
It can be integrated with Visual Studio, Emacs, Vim (and others) and can format just the selected lines (or with git/svn to format some diff).
It can be configured with a variety of options listed here.
When using config files (named .clang-format
) styles can be per directory - the closest such file in parent directories shall be used for a particular file.
Styles can be inherited from a preset (say LLVM or Google) and can later override different options
It is used by Google and others and is production ready.
Also look at the project UniversalIndentGUI. You can experiment with several indenters using it: AStyle, Uncrustify, GreatCode, ... and select the best for you. Any of them can be run later from a command line.
Uncrustify has a lot of configurable options. You'll probably need Universal Indent GUI (in Konstantin's reply) as well to configure it.
Try This
String matchString="ID0001"//assuming we have to find rows having key=ID0001
DataTable dtTarget = new DataTable();
dtTarget = dtSource.Clone();
DataRow[] rowsToCopy;
rowsToCopy = dtSource.Select("key='" + matchString + "'");
foreach (DataRow temp in rowsToCopy)
{
dtTarget.ImportRow(temp);
}
I wrote rabbitmq-dump-queue which allows dumping messages from a RabbitMQ queue to local files and requeuing the messages in their original order.
Example usage (to dump the first 50 messages of queue incoming_1
):
rabbitmq-dump-queue -url="amqp://user:[email protected]:5672/" -queue=incoming_1 -max-messages=50 -output-dir=/tmp
If you need performance (like in games):
Math.round(number * 100) / 100
It's about 100 times as fast as parseFloat(number.toFixed(2))
Use Linq's Union:
using System.Linq;
var l1 = new List<int>() { 1,2,3,4,5 };
var l2 = new List<int>() { 3,5,6,7,8 };
var l3 = l1.Union(l2).ToList();
A better way to achieve this is by using two things: call:
NavUtils.navigateUpFromSameTask(this);
Now, in order for this to work, you need to have your manifest file state that activity A has a parent activity B. The parent activity doesn't need anything. In version 4 and above you will get a nice back arrow with no additional effort (this can be done on lower versions as well with a little code, I'll put it below) You can set this data in the manifest->application tab in the GUI (scroll down to the parent activity name, and put it by hand)
Support node:
if you wish to support version below version 4, you need to include metadata as well. right click on the activity, add->meta data, name =android.support.PARENT_ACTIVITY and value = your.full.activity.name
to get the nice arrow in lower versions as well:
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
please note you will need support library version 7 to get this all working, but it is well worth it!
I assume that you have some sort of List
component and some sort of Item
component. The way I did it in one project was to let the item know if it was active or not; the item would ask the list to scroll it into view if necessary. Consider the following pseudocode:
class List extends React.Component {
render() {
return <div>{this.props.items.map(this.renderItem)}</div>;
}
renderItem(item) {
return <Item key={item.id} item={item}
active={item.id === this.props.activeId}
scrollIntoView={this.scrollElementIntoViewIfNeeded} />
}
scrollElementIntoViewIfNeeded(domNode) {
var containerDomNode = React.findDOMNode(this);
// Determine if `domNode` fully fits inside `containerDomNode`.
// If not, set the container's scrollTop appropriately.
}
}
class Item extends React.Component {
render() {
return <div>something...</div>;
}
componentDidMount() {
this.ensureVisible();
}
componentDidUpdate() {
this.ensureVisible();
}
ensureVisible() {
if (this.props.active) {
this.props.scrollIntoView(React.findDOMNode(this));
}
}
}
A better solution is probably to make the list responsible for scrolling the item into view (without the item being aware that it's even in a list). To do so, you could add a ref
attribute to a certain item and find it with that:
class List extends React.Component {
render() {
return <div>{this.props.items.map(this.renderItem)}</div>;
}
renderItem(item) {
var active = item.id === this.props.activeId;
var props = {
key: item.id,
item: item,
active: active
};
if (active) {
props.ref = "activeItem";
}
return <Item {...props} />
}
componentDidUpdate(prevProps) {
// only scroll into view if the active item changed last render
if (this.props.activeId !== prevProps.activeId) {
this.ensureActiveItemVisible();
}
}
ensureActiveItemVisible() {
var itemComponent = this.refs.activeItem;
if (itemComponent) {
var domNode = React.findDOMNode(itemComponent);
this.scrollElementIntoViewIfNeeded(domNode);
}
}
scrollElementIntoViewIfNeeded(domNode) {
var containerDomNode = React.findDOMNode(this);
// Determine if `domNode` fully fits inside `containerDomNode`.
// If not, set the container's scrollTop appropriately.
}
}
If you don't want to do the math to determine if the item is visible inside the list node, you could use the DOM method scrollIntoView()
or the Webkit-specific scrollIntoViewIfNeeded
, which has a polyfill available so you can use it in non-Webkit browsers.
if ([ $NUM1 == 1 ] || [ $NUM2 == 1 ]) && [ -z "$STR" ]
then
echo STR is empty but should have a value.
fi
You can also do this using DOM Level 2 CSS interfaces (MDN):
var sheet = window.document.styleSheets[0];
sheet.insertRule('strong { color: red; }', sheet.cssRules.length);
...on all but (naturally) IE8 and prior, which uses its own marginally-different wording:
sheet.addRule('strong', 'color: red;', -1);
There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to worry about putting special HTML characters in the innerHTML, but in practice style elements are CDATA in legacy HTML, and ‘<’ and ‘&’ are rarely used in stylesheets anyway.
You do need a stylesheet in place before you can started appending to it like this. That can be any existing active stylesheet: external, embedded or empty, it doesn't matter. If there isn't one, the only standard way to create it at the moment is with createElement.
Because %
is only defined for integer types. That's the modulus operator.
5.6.2 of the standard:
The operands of * and / shall have arithmetic or enumeration type; the operands of % shall have integral or enumeration type. [...]
As Oli pointed out, you can use fmod()
. Don't forget to include math.h
.
Include sites-available/default
in sites-enabled/default
. It requires only one line.
In sites-enabled/default
(new config version?):
It seems that the include path is relative to the file that included it
include sites-available/default;
See the include
documentation.
I believe that certain versions of nginx allows including/linking to other files purely by having a single line with the relative path to the included file. (At least that's what it looked like in some "inherited" config files I've been using, until a new nginx version broke them.)
In sites-enabled/default
(old config version?):
It seems that the include path is relative to the current file
../sites-available/default
The database is a MySQL database, not a phpMyAdmin database. phpMyAdmin is only PHP code that connects to the DB.
mysql_connect('localhost', 'username', 'password') or die (mysql_error());
mysql_select_database('db_name') or die (mysql_error());
// now you are connected
Why am I unable to use a string for a newline in write() but I can use it in writelines()?
The idea is the following: if you want to write a single string you can do this with write()
. If you have a sequence of strings you can write them all using writelines()
.
write(arg)
expects a string as argument and writes it to the file. If you provide a list of strings, it will raise an exception (by the way, show errors to us!).
writelines(arg)
expects an iterable as argument (an iterable object can be a tuple, a list, a string, or an iterator in the most general sense). Each item contained in the iterator is expected to be a string. A tuple of strings is what you provided, so things worked.
The nature of the string(s) does not matter to both of the functions, i.e. they just write to the file whatever you provide them. The interesting part is that writelines()
does not add newline characters on its own, so the method name can actually be quite confusing. It actually behaves like an imaginary method called write_all_of_these_strings(sequence)
.
What follows is an idiomatic way in Python to write a list of strings to a file while keeping each string in its own line:
lines = ['line1', 'line2']
with open('filename.txt', 'w') as f:
f.write('\n'.join(lines))
This takes care of closing the file for you. The construct '\n'.join(lines)
concatenates (connects) the strings in the list lines
and uses the character '\n' as glue. It is more efficient than using the +
operator.
Starting from the same lines
sequence, ending up with the same output, but using writelines()
:
lines = ['line1', 'line2']
with open('filename.txt', 'w') as f:
f.writelines("%s\n" % l for l in lines)
This makes use of a generator expression and dynamically creates newline-terminated strings. writelines()
iterates over this sequence of strings and writes every item.
Edit: Another point you should be aware of:
write()
and readlines()
existed before writelines()
was introduced. writelines()
was introduced later as a counterpart of readlines()
, so that one could easily write the file content that was just read via readlines()
:
outfile.writelines(infile.readlines())
Really, this is the main reason why writelines
has such a confusing name. Also, today, we do not really want to use this method anymore. readlines()
reads the entire file to the memory of your machine before writelines()
starts to write the data. First of all, this may waste time. Why not start writing parts of data while reading other parts? But, most importantly, this approach can be very memory consuming. In an extreme scenario, where the input file is larger than the memory of your machine, this approach won't even work. The solution to this problem is to use iterators only. A working example:
with open('inputfile') as infile:
with open('outputfile') as outfile:
for line in infile:
outfile.write(line)
This reads the input file line by line. As soon as one line is read, this line is written to the output file. Schematically spoken, there always is only one single line in memory (compared to the entire file content being in memory in case of the readlines/writelines approach).
You can simply use jQuery’s delay() method to set the delay time interval.
HTML code:
<div class="box"></div>
JQuery code:
$(document).ready(function(){
$(".show-box").click(function(){
$(this).text('loading...').delay(1000).queue(function() {
$(this).hide();
showBox();
$(this).dequeue();
});
});
});
You can see an example here: How to Call a Function After Some Time in jQuery
You can set a bucket policy as detailed in this blog post:
http://ariejan.net/2010/12/24/public-readable-amazon-s3-bucket-policy/
As per @robbyt's suggestion, create a bucket policy with the following JSON:
{
"Version": "2008-10-17",
"Statement": [{
"Sid": "AllowPublicRead",
"Effect": "Allow",
"Principal": { "AWS": "*" },
"Action": ["s3:GetObject"],
"Resource": ["arn:aws:s3:::bucket/*" ]
}]
}
Important: replace bucket
in the Resource
line with the name of your bucket.
This can also be done like
@model IEnumerable<ItemList>
<select id="dropdowntipo">_x000D_
<option value="0">Select Item</option>_x000D_
_x000D_
@{_x000D_
foreach(var item in Model)_x000D_
{_x000D_
<option value= "@item.Value">@item.DisplayText</option>_x000D_
}_x000D_
}_x000D_
_x000D_
</select>
_x000D_
Just use replace
instead of replaceAll
(which expects regex):
str = str.replace(",", ".");
or
str = str.replace(',', '.');
(replace
takes as input either char
or CharSequence
, which is an interface implemented by String
)
Also note that you should reassign the result
Here are the various ways to do this so you can compare how it looks and choose what you like. I've ordered them in a way that I think is most "pythonic", and commented the pros and cons that might not be obvious at first glance:
Using collections.defaultdict
:
import collections
dict_x = collections.defaultdict(list)
...
dict_x[key].append(value)
Pros: Probably best performance. Cons: Not available in Python 2.4.x.
Using dict().setdefault()
:
dict_x = {}
...
dict_x.setdefault(key, []).append(value)
Cons: Inefficient creation of unused list()
s.
Using try ... except
:
dict_x = {}
...
try:
values = dict_x[key]
except KeyError:
values = dict_x[key] = []
values.append(value)
Or:
try:
dict_x[key].append(value)
except KeyError:
dict_x[key] = [value]
I hope this could help: http://selenium.googlecode.com/svn/trunk/docs/api/java/org/openqa/selenium/WebElement.html
Here is described Java method:
java.lang.String getText()
But unfortunately it's not available in Python. So you can translate the method names to Python from Java and try another logic using present methods without getting the whole page source...
E.g.
my_id = elem[0].get_attribute('my-id')
Worked for me
<script type="text/javascript">
if (typeof window.event != 'undefined')
document.onkeydown = function()
{
if (event.srcElement.tagName.toUpperCase() != 'INPUT')
return (event.keyCode != 8);
}
else
document.onkeypress = function(e)
{
if (e.target.nodeName.toUpperCase() != 'INPUT')
return (e.keyCode != 8);
}
</script>
As stated by Harry Joy, you can do it on the onclick
attr like so:
<input type="button" onclick="func1();func2();" value="Call2Functions" />
Or, in your JS like so:
document.getElementById( 'Call2Functions' ).onclick = function()
{
func1();
func2();
};
Or, if you are assigning an onclick programmatically, and aren't sure if a previous onclick existed (and don't want to overwrite it):
var Call2FunctionsEle = document.getElementById( 'Call2Functions' ),
func1 = Call2FunctionsEle.onclick;
Call2FunctionsEle.onclick = function()
{
if( typeof func1 === 'function' )
{
func1();
}
func2();
};
If you need the functions run in scope of the element which was clicked, a simple use of apply could be made:
document.getElementById( 'Call2Functions' ).onclick = function()
{
func1.apply( this, arguments );
func2.apply( this, arguments );
};
The server SHOULD put double quotes around the filename, as mentioned by @cusman and @Touko in their replies.
For example:
Response.AddHeader("Content-Disposition", "attachment;filename=\"" + filename + "\"");
For starters,
mysql_connect() should not have a $ accompanying it; it is not a variable, it is a predefined function. Remove the $ to properly connect to the database.
Why do you have an XML tag at the top of this document? This is HTML/PHP - a HTML doctype should suffice.
From line 215, update:
if (isset($_POST)) {
$Name = $_POST['Name'];
$Surname = $_POST['Surname'];
$Username = $_POST['Username'];
$Email = $_POST['Email'];
$C_Email = $_POST['C_Email'];
$Password = $_POST['password'];
$C_Password = $_POST['c_password'];
$SecQ = $_POST['SecQ'];
$SecA = $_POST['SecA'];
}
POST variables are coming from your form, and you have to check whether they exist or not, else PHP will give you a NOTICE error. You can disable these notices by placing error_reporting(0); at the top of your document. It's best to keep these visible for development purposes.
You should only be interacting with the database (inserting, checking) under the condition that the form has been submitted. If you do not, PHP will run all of these operations without any input from the user. Its best to use an IF statement, like so:
if (isset($_POST['submit']) {
// blah blah
// check if user exists, check if fields are blank
// insert the user if all of this stuff checks out..
} else {
// just display the form
}
Awesome form tutorial: http://php.about.com/od/learnphp/ss/php_forms.htm
If you need to remove white spaces at the end then here is a solution: https://www.geeksforgeeks.org/urlify-given-string-replace-spaces/
const stringQ1 = (string)=>{_x000D_
//remove white space at the end _x000D_
const arrString = string.split("")_x000D_
for(let i = arrString.length -1 ; i>=0 ; i--){_x000D_
let char = arrString[i];_x000D_
_x000D_
if(char.indexOf(" ") >=0){_x000D_
arrString.splice(i,1)_x000D_
}else{_x000D_
break;_x000D_
}_x000D_
}_x000D_
_x000D_
let start =0;_x000D_
let end = arrString.length -1;_x000D_
_x000D_
_x000D_
//add %20_x000D_
while(start < end){_x000D_
if(arrString[start].indexOf(' ') >=0){_x000D_
arrString[start] ="%20"_x000D_
_x000D_
}_x000D_
_x000D_
start++;_x000D_
}_x000D_
_x000D_
return arrString.join('');_x000D_
}_x000D_
_x000D_
console.log(stringQ1("Mr John Smith "))
_x000D_
I think what you want is to set the android:layout_weight,
http://developer.android.com/resources/tutorials/views/hello-linearlayout.html
something like this (I'm just putting text views above and below as placeholders):
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:weightSum="1">
<TextView
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="68"/>
<Gallery
android:id="@+id/gallery"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="16"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="16"/>
</LinearLayout>
When you create a database in Microsoft SQL Server you can have multiple file groups, where storage is created in multiple places, directories or disks. Each file group can be named. The PRIMARY file group is the default one, which is always created, and so the SQL you've given creates your table ON the PRIMARY file group.
See MSDN for the full syntax.
I find the quickest way to locate a global function is simply:
... this syntax is part of ES6 and not something which you can use only in React.It can be used in two different ways; as a spread operator OR as a rest parameter.You can find more from this article: https://www.techiediaries.com/react-spread-operator-props-setstate/
what you have mentioned in the question is something like this, let's assume like this,
function HelloUser() {
return <Hello Name="ABC" City="XYZ" />;
}
with the use of spread operator you can pass props to the component like this.
function HelloUser() {
const props = {Name: 'ABC', City: 'XYZ'};
return <Hello {...props} />;
}
this code is tested with pdfminer for python 3 (pdfminer-20191125)
from pdfminer.layout import LAParams
from pdfminer.converter import PDFPageAggregator
from pdfminer.pdfinterp import PDFResourceManager
from pdfminer.pdfinterp import PDFPageInterpreter
from pdfminer.pdfpage import PDFPage
from pdfminer.layout import LTTextBoxHorizontal
def parsedocument(document):
# convert all horizontal text into a lines list (one entry per line)
# document is a file stream
lines = []
rsrcmgr = PDFResourceManager()
laparams = LAParams()
device = PDFPageAggregator(rsrcmgr, laparams=laparams)
interpreter = PDFPageInterpreter(rsrcmgr, device)
for page in PDFPage.get_pages(document):
interpreter.process_page(page)
layout = device.get_result()
for element in layout:
if isinstance(element, LTTextBoxHorizontal):
lines.extend(element.get_text().splitlines())
return lines
use NestedScrollView
instead of ScrollView
Please go through NestedScrollView reference document for more information.
and add recyclerView.setNestedScrollingEnabled(false);
to your RecyclerView
I had a similar query and a similar issue.
SELECT
*
FROM
Users ru
LEFT OUTER JOIN
(
SELECT ru1.UserID, COUNT(*)
FROM Referral r
LEFT OUTER JOIN Users ru1 ON r.ReferredUserId = ru1.UserID
GROUP BY ru1.UserID
) ReferralTotalCount ON ru.UserID = ReferralTotalCount.UserID
I found that SQL Server was choking on the COUNT(*)
column, and was giving me the error No column was specified for column 2.
Putting an alias on the COUNT(*)
column fixed the issue.
SELECT
*
FROM
Users ru
LEFT OUTER JOIN
(
SELECT ru1.UserID, COUNT(*) AS -->MyCount<--
FROM Referral r
LEFT OUTER JOIN Users ru1 ON r.ReferredUserId = ru1.UserID
GROUP BY ru1.UserID
) ReferralTotalCount ON ru.UserID = ReferralTotalCount.UserID
update Angular 5
ngOutletContext
was renamed to ngTemplateOutletContext
See also https://github.com/angular/angular/blob/master/CHANGELOG.md#500-beta5-2017-08-29
original
Templates (<template>
, or <ng-template>
since 4.x) are added as embedded views and get passed a context.
With let-col
the context property $implicit
is made available as col
within the template for bindings.
With let-foo="bar"
the context property bar
is made available as foo
.
For example if you add a template
<ng-template #myTemplate let-col let-foo="bar">
<div>{{col}}</div>
<div>{{foo}}</div>
</ng-template>
<!-- render above template with a custom context -->
<ng-template [ngTemplateOutlet]="myTemplate"
[ngTemplateOutletContext]="{
$implicit: 'some col value',
bar: 'some bar value'
}"
></ng-template>
See also this answer and ViewContainerRef#createEmbeddedView.
*ngFor
also works this way. The canonical syntax makes this more obvious
<ng-template ngFor let-item [ngForOf]="items" let-i="index" let-odd="odd">
<div>{{item}}</div>
</ng-template>
where NgFor
adds the template as embedded view to the DOM for each item
of items
and adds a few values (item
, index
, odd
) to the context.
This specific example will just check for inputs but you could tweak it however, Add something like this to your .ajax function:
beforeSend: function() {
$empty = $('form#yourForm').find("input").filter(function() {
return this.value === "";
});
if($empty.length) {
alert('You must fill out all fields in order to submit a change');
return false;
}else{
return true;
};
},
I had the same issue and I resolved it with MySQL workbench, as shown in the attached screenshot:
Hope that helps!
Travis-ci and Jenkins, while both are tools for continuous integration are very different.
Travis is a hosted service (free for open source) while you have to host, install and configure Jenkins.
Travis does not have jobs as in Jenkins. The commands to run to test the code are taken from a file named .travis.yml
which sits along your project code. This makes it easy to have different test code per branch since each branch can have its own version of the .travis.yml file.
You can have a similar feature with Jenkins if you use one of the following plugins:
.jervis.yml
file found at the root of project code. If .jervis.yml
does not exist, it will fall back to using .travis.yml
file instead.There are other hosted services you might also consider for continuous integration (non exhaustive list):
You might want to stay with Jenkins because you are familiar with it or don't want to depend on 3rd party for your continuous integration system. Else I would drop Jenkins and go with one of the free hosted CI services as they save you a lot of trouble (host, install, configure, prepare jobs)
Depending on where your code repository is hosted I would make the following choices:
To setup Travis-CI on a github project, all you have to do is:
The features you get are:
The ActiveDirectory
module for powershell can be installed by adding the RSAT-AD-Powershell
feature.
In an elevated powershell window:
Add-WindowsFeature RSAT-AD-PowerShell
or
Enable-WindowsOptionalFeature -FeatureName ActiveDirectory-Powershell -Online -All
in rails 5 you can use this command in the terminal:
rails generate migration remove_COLUMNNAME_from_TABLENAME COLUMNNAME:DATATYPE
for example to remove the column access_level(string) from table users:
rails generate migration remove_access_level_from_users access_level:string
and then run:
rake db:migrate
Just use
If @searchType is null means 'return the whole table' then use
WHERE p.[Type] = @SearchType OR @SearchType is NULL
If @searchType is an empty string means 'return the whole table' then use
WHERE p.[Type] = @SearchType OR @SearchType = ''
If @searchType is null or an empty string means 'return the whole table' then use
WHERE p.[Type] = @SearchType OR Coalesce(@SearchType,'') = ''
Here's an extension function:
public static string ToBinary(this string data, bool formatBits = false)
{
char[] buffer = new char[(((data.Length * 8) + (formatBits ? (data.Length - 1) : 0)))];
int index = 0;
for (int i = 0; i < data.Length; i++)
{
string binary = Convert.ToString(data[i], 2).PadLeft(8, '0');
for (int j = 0; j < 8; j++)
{
buffer[index] = binary[j];
index++;
}
if (formatBits && i < (data.Length - 1))
{
buffer[index] = ' ';
index++;
}
}
return new string(buffer);
}
You can use it like:
Console.WriteLine("Testing".ToBinary());
and if you add 'true' as a parameter, it will automatically separate each binary sequence.
If you want a graphical interface to batch process with ffmpegX, try Quick Batcher. It's free and will take your last ffmpegX settings to convert files you drop into it.
Note that you can't drag-drop folders onto Quick Batcher. So select files and then put them through Quick Batcher.
First of all your mouse key must be focus in editor to enable Toggle Block Selection Mode
Click on toggleButton
as shown in figure and it will enable Vertical selection
. After selection toggle it again.
Split the CSV into two files in Notepad. It's a pain, but you can just edit each of them individually in Excel after that.
No.
An ArrayList can be empty (or with nulls as items) an not be null. It would be considered empty. You can check for am empty ArrayList with:
ArrayList arrList = new ArrayList();
if(arrList.isEmpty())
{
// Do something with the empty list here.
}
Or if you want to create a method that checks for an ArrayList with only nulls:
public static Boolean ContainsAllNulls(ArrayList arrList)
{
if(arrList != null)
{
for(object a : arrList)
if(a != null) return false;
}
return true;
}
I'd use head --bytes -1
, or head -c-1
for short.
COMPANY_NAME=`cat file.txt | grep "company_name" | cut -d '=' -f 2 | head --bytes -1`
head
outputs only the beginning of a stream or file. Typically it counts lines, but it can be made to count characters/bytes instead. head --bytes 10
will output the first ten characters, but head --bytes -10
will output everything except the last ten.
NB: you may have issues if the final character is multi-byte, but a semi-colon isn't
I'd recommend this solution over sed
or cut
because
head
was designed to do, thus less command-line options and an easier-to-read commandUnfortunately, there's no way to do that with CSS.
It's not very difficult with JavaScript though:
// JavaScript code:
document.getElementsByClassName("active")[0].parentNode;
// jQuery code:
$('.active').parent().get(0); // This would be the <a>'s parent <li>.
More easy by end()
function is an inbuilt function in PHP and is used to find the last element of the given array. The end() function changes the internal pointer of an array to point to the last element and returns the value of the last element.
Below is an example with non integer index:
<?php
$arr = array(
'first' =>
array('id' => 1, 'label' => 'one'),
'second' =>
array('id' => 2, 'label' => 'two'),
'last' =>
array('id' => 9, 'label' => 'nine')
);
$lastIndexArr = end($arr);
print_r($lastIndexArr);
Check here the last array as an output.
You need to render it as block level;
img {
display: block;
width: auto;
margin: auto;
}
This will do:
▢
It is ?
(known as a "WHITE SQUARE WITH ROUNDED CORNERS" on fileformat.info)
Or
◻
as ?
(known as a "WHITE MEDIUM SQUARE" on the same website)
Two with shadow:
❏
❑
as ? and ? . The difference between them is the shadows' shape. You can see it if you zoom in or if you print it out. (They are known as "LOWER RIGHT DROP-SHADOWED WHITE SQUARE" and "LOWER RIGHT SHADOWED WHITE SQUARE", respectively).
You can also use
☐
which is ?
(known as a "BALLOT BOX").
A sample is at http://jsfiddle.net/S2QCt/267/
(a note: on the Mac, ▢
is quite nice, because it is bigger and somewhat more elegant than ☐
On Windows, ☐
looks more standard, while ▢
is somewhat small.)