One way I managed to fix this (in a Kotlin app with architecture components) was by setting if (recyclerView.adapter == null) recyclerView.adapter = MyAdapter(datasource)
after I fetched the data from the Repository. Apparently it might have something to do with async issues with the suspend functions in the repository because when I fetch data for the first time when starting the activity, it calls the REST API since there is no data in the db, and everything goes smoothly, but after that, that same query cannot be made again, causing a crash.
If you need some advanced explanation you need read both specifications :
If you need a clear explanation of flow differences , this could be help you:
OAuth 1.0 Flow
OAuth 2.0 Flow
function Do-SendKeys {
param (
$SENDKEYS,
$WINDOWTITLE
)
$wshell = New-Object -ComObject wscript.shell;
IF ($WINDOWTITLE) {$wshell.AppActivate($WINDOWTITLE)}
Sleep 1
IF ($SENDKEYS) {$wshell.SendKeys($SENDKEYS)}
}
Do-SendKeys -WINDOWTITLE Print -SENDKEYS '{TAB}{TAB}'
Do-SendKeys -WINDOWTITLE Print
Do-SendKeys -SENDKEYS '%{f4}'
It is the severity level of the error
. The levels are from 11 - 20 which throw an error in SQL
. The higher the level, the more severe the level and the transaction
should be aborted.
You will get the syntax error when you do:
RAISERROR('Cannot Insert where salary > 1000').
Because you have not specified the correct parameters
(severity level
or state
).
If you wish to issue a warning and not an exception
, use levels 0 - 10.
From MSDN:
severity
Is the user-defined severity level associated with this message. When using msg_id to raise a user-defined message created using sp_addmessage, the severity specified on RAISERROR overrides the severity specified in sp_addmessage. Severity levels from 0 through 18 can be specified by any user. Severity levels from 19 through 25 can only be specified by members of the sysadmin fixed server role or users with ALTER TRACE permissions. For severity levels from 19 through 25, the WITH LOG option is required.
state
Is an integer from 0 through 255. Negative values or values larger than 255 generate an error. If the same user-defined error is raised at multiple locations, using a unique state number for each location can help find which section of code is raising the errors. For detailed description here
sqlContext.sql(" select filename from tempTable").rdd.map(r => r(0)).collect.toList.foreach(out_streamfn.println) //remove brackets
it works perfectly
It means you're trying to call something that isn't a function
const foo = 'string'
foo() // error
You need to tell the compiler it has been declared:
declare var bootbox: any;
If you have better type information you can add that too, in place of any
.
Your problem is that the indices returned by match.start()
correspond to the position of the character as it appeared in the original string when you matched it; however, as you rewrite the string c
every time, these indices become incorrect.
The best approach to solve this is to use replaceAll
, for example:
System.out.println(c.replaceAll("[^a-zA-Z0-9]", ""));
You can get and set environment variables via os.environ
:
import os
user_home = os.environ["HOME"]
os.environ["PYTHONPATH"] = "..."
But since your interpreter is already running, this will have no effect. You're better off using
import sys
sys.path.append("...")
which is the array that your PYTHONPATH
will be transformed into on interpreter startup.
A bit simpler one-liner:
import os
from itertools import product, chain
chain.from_iterable([[os.sep.join(w) for w in product([i[0]], i[2])] for i in os.walk(dir)])
Let me use names a
(in place of XXX
and ZZZ
) and b
(in place of YYY
), since that makes the description a bit easier to read.
Say you want to merge repository a
into b
(I'm assuming they're located alongside one another):
cd a
git filter-repo --to-subdirectory-filter a
cd ..
cd b
git remote add a ../a
git fetch a
git merge --allow-unrelated-histories a/master
git remote remove a
For this you need git-filter-repo
installed (filter-branch
is discouraged).
An example of merging 2 big repositories, putting one of them into a subdirectory: https://gist.github.com/x-yuri/9890ab1079cf4357d6f269d073fd9731
More on it here.
Everyone already answered but just for the latest updates. If you want to know where all the configuration files reside then run this command in the shell
SELECT name, setting FROM pg_settings WHERE category = 'File Locations';
There is indeed such a tool, Comeau's C++ compiler. . It will generate C code which you can't manually maintain, but that's no problem. You'll maintain the C++ code, and just convert to C on the fly.
It works as expected,
Try checking IdeOneDemo
public static void main(String[] args) {
long a = 1111;
Long b = 1113l;
if (a == b) {
System.out.println("Equals");
} else {
System.out.println("not equals");
}
}
prints
not equals
for me
Use compareTo()
to compare Long, ==
wil not work in all case as far as the value is cached
If you are on .NET 4.0 use a Tuple:
lookup = new Dictionary<Tuple<TypeA, TypeB, TypeC>, string>();
If not you can define a Tuple
and use that as the key. The Tuple needs to override GetHashCode
, Equals
and IEquatable
:
struct Tuple<T, U, W> : IEquatable<Tuple<T,U,W>>
{
readonly T first;
readonly U second;
readonly W third;
public Tuple(T first, U second, W third)
{
this.first = first;
this.second = second;
this.third = third;
}
public T First { get { return first; } }
public U Second { get { return second; } }
public W Third { get { return third; } }
public override int GetHashCode()
{
return first.GetHashCode() ^ second.GetHashCode() ^ third.GetHashCode();
}
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return false;
}
return Equals((Tuple<T, U, W>)obj);
}
public bool Equals(Tuple<T, U, W> other)
{
return other.first.Equals(first) && other.second.Equals(second) && other.third.Equals(third);
}
}
Edit: This question gave me an itch, so I put up a JSONP webservice on Google App Engine that returns the clients ip address. Usage:
<script type="application/javascript">
function getip(json){
alert(json.ip); // alerts the ip address
}
</script>
<script type="application/javascript" src="http://jsonip.appspot.com/?callback=getip"> </script>
Yay, no server proxies needed.
Pure JS can't. If you have a server script under the same domain that prints it out you could send a XMLHttpRequest to read it.
Your question is kind of confusing; do you want to show only one row per user, or do you want to show a row per picture but suppress repeating values in the U.NAME field? I think you want the second; if not there are plenty of answers for the first.
Whether to display repeating values is display logic, which SQL wasn't really designed for. You can use a cursor in a loop to process the results row-by-row, but you will lose a lot of performance. If you have a "smart" frontend language like a .NET language or Java, whatever construction you put this data into can be cheaply manipulated to suppress repeating values before finally displaying it in the UI.
If you're using Microsoft SQL Server, and the transformation HAS to be done at the data layer, you may consider using a CTE (Computed Table Expression) to hold the initial query, then select values from each row of the CTE based on whether the columns in the previous row hold the same data. It'll be more performant than the cursor, but it'll be kinda messy either way. Observe:
USING CTE (Row, Name, PicID)
AS
(
SELECT ROW_NUMBER() OVER (ORDER BY U.NAME, P.PIC_ID),
U.NAME, P.PIC_ID
FROM USERS U
INNER JOIN POSTINGS P1
ON U.EMAIL_ID = P1.EMAIL_ID
INNER JOIN PICTURES P
ON P1.PIC_ID = P.PIC_ID
WHERE P.CAPTION LIKE '%car%'
ORDER BY U.NAME, P.PIC_ID
)
SELECT
CASE WHEN current.Name == previous.Name THEN '' ELSE current.Name END,
current.PicID
FROM CTE current
LEFT OUTER JOIN CTE previous
ON current.Row = previous.Row + 1
ORDER BY current.Row
The above sample is TSQL-specific; it is not guaranteed to work in any other DBPL like PL/SQL, but I think most of the enterprise-level SQL engines have something similar.
Here what I did on Linux mint 19:
I installed jupyter with:
pip install jupyter
and command:
jupyter notebook
didn't work, so with:
sudo apt install jupyter-notebook
I fixed the issue, jupyter notebook
worked then.
simply using Viewbag data as IEnumerable<> list
@{
var getlist= ViewBag.Listdata as IEnumerable<myproject.models.listmodel>;
foreach (var item in getlist){ //using foreach
<span>item .name</span>
}
}
//---------or just write name inside the getlist
<span>getlist[0].name</span>
What you can do is dynamically build the select string (the 'IN (?)' part) by a simple for loop as soon as you know how many values you need to put inside the IN clause. You can then instantiate the PreparedStatement.
I encountered this issue while trying to build an npm project. It was failing to install a node-sass package and this was the error it was printing. I solved it by setting my npm proxy correctly so that i
replace {userid} and {password} with your id and password in your organization or login to your machine.
npm config set proxy http://{userid}:{password}@proxyip:8080/
npm config set https-proxy http://{userid}:{password}@proxyip:8080/
npm config set http-proxy http://{userid}:{password}@proxyip:8080/
strict-ssl=false
For this type of thing you should use Google Fusion Tables. The API is designed for that purpose.
please try to execute java
from
C:\Program Files\Java\jdk1.7.0_10\bin
i.e from the location where java is installed.
If it is successful, it means that the error lies somewhere in the classpath.
Also, this guy seems to have had the same problem as yours, check it out
Open %windir%\System32 folder and find SQLServerManagerXX.msc
For example:
C:\Windows\System32\SQLServerManager14.msc
Go to protocols settings then enable TCP/IP port is 1433 by default
the worked proposition for me is __call__
on class who create list of little numbers:
import itertools
class SmallNumbers:
def __init__(self, how_much):
self.how_much = int(how_much)
self.work_list = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
self.generated_list = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
start = 10
end = 100
for cmb in range(2, len(str(self.how_much)) + 1):
self.ListOfCombinations(is_upper_then=start, is_under_then=end, combinations=cmb)
start *= 10
end *= 10
def __call__(self, number, *args, **kwargs):
return self.generated_list[number]
def ListOfCombinations(self, is_upper_then, is_under_then, combinations):
multi_work_list = eval(str('self.work_list,') * combinations)
nbr = 0
for subset in itertools.product(*multi_work_list):
if is_upper_then <= nbr < is_under_then:
self.generated_list.append(''.join(subset))
if self.how_much == nbr:
break
nbr += 1
and to run it:
if __name__ == '__main__':
sm = SmallNumbers(56)
print(sm.generated_list)
print(sm.generated_list[34], sm.generated_list[27], sm.generated_list[10])
print('The Best', sm(15), sm(55), sm(49), sm(0))
result
['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', '52', '53', '54', '55', '56']
34 27 10
The Best 15 55 49 0
An alternative approach, without searching for the field html:
var $form = $('#' + DynamicValueAssignedHere).find('form');
var formData = $form.serializeArray();
var myFieldName = 'FirstName';
var myFieldFilter = function (field) {
return field.name == myFieldName;
}
var value = formData.filter(myFieldFilter)[0].value;
Use this:
public static class WebPath
{
public static string Combine(params string[] args)
{
var prefixAdjusted = args.Select(x => x.StartsWith("/") && !x.StartsWith("http") ? x.Substring(1) : x);
return string.Join("/", prefixAdjusted);
}
}
/aa([^a]|a[^a])*aa/
just select '0' as the value for the desired column
In operating systems like Ubuntu python comes preinstalled. So the default version is python 2.7 you can confirm the version by typing below command in your terminal
python -V
if you installed it but didn't set default version you will see
python 2.7
in terminal. I will tell you how to set the default python version in Ubuntu.
A simple safe way would be to use an alias. Place this into ~/.bashrc or ~/.bash_aliases file:
alias python=python3
After adding the above in the file, run the command below:
source ~/.bash_aliases
or source ~/.bashrc
now check python version again using python -V
if python version 3.x.x one, then the error is in your syntax like using print with parenthesis. change it to
test = input("enter the test")
print(test)
I wrote a DateTextField component.
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.JTextField;
import javax.swing.SpinnerNumberModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.border.LineBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class DateTextField extends JTextField {
private static String DEFAULT_DATE_FORMAT = "MM/dd/yyyy";
private static final int DIALOG_WIDTH = 200;
private static final int DIALOG_HEIGHT = 200;
private SimpleDateFormat dateFormat;
private DatePanel datePanel = null;
private JDialog dateDialog = null;
public DateTextField() {
this(new Date());
}
public DateTextField(String dateFormatPattern, Date date) {
this(date);
DEFAULT_DATE_FORMAT = dateFormatPattern;
}
public DateTextField(Date date) {
setDate(date);
setEditable(false);
setCursor(new Cursor(Cursor.HAND_CURSOR));
addListeners();
}
private void addListeners() {
addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent paramMouseEvent) {
if (datePanel == null) {
datePanel = new DatePanel();
}
Point point = getLocationOnScreen();
point.y = point.y + 30;
showDateDialog(datePanel, point);
}
});
}
private void showDateDialog(DatePanel dateChooser, Point position) {
Frame owner = (Frame) SwingUtilities
.getWindowAncestor(DateTextField.this);
if (dateDialog == null || dateDialog.getOwner() != owner) {
dateDialog = createDateDialog(owner, dateChooser);
}
dateDialog.setLocation(getAppropriateLocation(owner, position));
dateDialog.setVisible(true);
}
private JDialog createDateDialog(Frame owner, JPanel contentPanel) {
JDialog dialog = new JDialog(owner, "Date Selected", true);
dialog.setUndecorated(true);
dialog.getContentPane().add(contentPanel, BorderLayout.CENTER);
dialog.pack();
dialog.setSize(DIALOG_WIDTH, DIALOG_HEIGHT);
return dialog;
}
private Point getAppropriateLocation(Frame owner, Point position) {
Point result = new Point(position);
Point p = owner.getLocation();
int offsetX = (position.x + DIALOG_WIDTH) - (p.x + owner.getWidth());
int offsetY = (position.y + DIALOG_HEIGHT) - (p.y + owner.getHeight());
if (offsetX > 0) {
result.x -= offsetX;
}
if (offsetY > 0) {
result.y -= offsetY;
}
return result;
}
private SimpleDateFormat getDefaultDateFormat() {
if (dateFormat == null) {
dateFormat = new SimpleDateFormat(DEFAULT_DATE_FORMAT);
}
return dateFormat;
}
public void setText(Date date) {
setDate(date);
}
public void setDate(Date date) {
super.setText(getDefaultDateFormat().format(date));
}
public Date getDate() {
try {
return getDefaultDateFormat().parse(getText());
} catch (ParseException e) {
return new Date();
}
}
private class DatePanel extends JPanel implements ChangeListener {
int startYear = 1980;
int lastYear = 2050;
Color backGroundColor = Color.gray;
Color palletTableColor = Color.white;
Color todayBackColor = Color.orange;
Color weekFontColor = Color.blue;
Color dateFontColor = Color.black;
Color weekendFontColor = Color.red;
Color controlLineColor = Color.pink;
Color controlTextColor = Color.white;
JSpinner yearSpin;
JSpinner monthSpin;
JButton[][] daysButton = new JButton[6][7];
DatePanel() {
setLayout(new BorderLayout());
setBorder(new LineBorder(backGroundColor, 2));
setBackground(backGroundColor);
JPanel topYearAndMonth = createYearAndMonthPanal();
add(topYearAndMonth, BorderLayout.NORTH);
JPanel centerWeekAndDay = createWeekAndDayPanal();
add(centerWeekAndDay, BorderLayout.CENTER);
reflushWeekAndDay();
}
private JPanel createYearAndMonthPanal() {
Calendar cal = getCalendar();
int currentYear = cal.get(Calendar.YEAR);
int currentMonth = cal.get(Calendar.MONTH) + 1;
JPanel panel = new JPanel();
panel.setLayout(new FlowLayout());
panel.setBackground(controlLineColor);
yearSpin = new JSpinner(new SpinnerNumberModel(currentYear,
startYear, lastYear, 1));
yearSpin.setPreferredSize(new Dimension(56, 20));
yearSpin.setName("Year");
yearSpin.setEditor(new JSpinner.NumberEditor(yearSpin, "####"));
yearSpin.addChangeListener(this);
panel.add(yearSpin);
JLabel yearLabel = new JLabel("Year");
yearLabel.setForeground(controlTextColor);
panel.add(yearLabel);
monthSpin = new JSpinner(new SpinnerNumberModel(currentMonth, 1,
12, 1));
monthSpin.setPreferredSize(new Dimension(35, 20));
monthSpin.setName("Month");
monthSpin.addChangeListener(this);
panel.add(monthSpin);
JLabel monthLabel = new JLabel("Month");
monthLabel.setForeground(controlTextColor);
panel.add(monthLabel);
return panel;
}
private JPanel createWeekAndDayPanal() {
String colname[] = { "S", "M", "T", "W", "T", "F", "S" };
JPanel panel = new JPanel();
panel.setFont(new Font("Arial", Font.PLAIN, 10));
panel.setLayout(new GridLayout(7, 7));
panel.setBackground(Color.white);
for (int i = 0; i < 7; i++) {
JLabel cell = new JLabel(colname[i]);
cell.setHorizontalAlignment(JLabel.RIGHT);
if (i == 0 || i == 6) {
cell.setForeground(weekendFontColor);
} else {
cell.setForeground(weekFontColor);
}
panel.add(cell);
}
int actionCommandId = 0;
for (int i = 0; i < 6; i++)
for (int j = 0; j < 7; j++) {
JButton numBtn = new JButton();
numBtn.setBorder(null);
numBtn.setHorizontalAlignment(SwingConstants.RIGHT);
numBtn.setActionCommand(String
.valueOf(actionCommandId));
numBtn.setBackground(palletTableColor);
numBtn.setForeground(dateFontColor);
numBtn.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
JButton source = (JButton) event.getSource();
if (source.getText().length() == 0) {
return;
}
dayColorUpdate(true);
source.setForeground(todayBackColor);
int newDay = Integer.parseInt(source.getText());
Calendar cal = getCalendar();
cal.set(Calendar.DAY_OF_MONTH, newDay);
setDate(cal.getTime());
dateDialog.setVisible(false);
}
});
if (j == 0 || j == 6)
numBtn.setForeground(weekendFontColor);
else
numBtn.setForeground(dateFontColor);
daysButton[i][j] = numBtn;
panel.add(numBtn);
actionCommandId++;
}
return panel;
}
private Calendar getCalendar() {
Calendar calendar = Calendar.getInstance();
calendar.setTime(getDate());
return calendar;
}
private int getSelectedYear() {
return ((Integer) yearSpin.getValue()).intValue();
}
private int getSelectedMonth() {
return ((Integer) monthSpin.getValue()).intValue();
}
private void dayColorUpdate(boolean isOldDay) {
Calendar cal = getCalendar();
int day = cal.get(Calendar.DAY_OF_MONTH);
cal.set(Calendar.DAY_OF_MONTH, 1);
int actionCommandId = day - 2 + cal.get(Calendar.DAY_OF_WEEK);
int i = actionCommandId / 7;
int j = actionCommandId % 7;
if (isOldDay) {
daysButton[i][j].setForeground(dateFontColor);
} else {
daysButton[i][j].setForeground(todayBackColor);
}
}
private void reflushWeekAndDay() {
Calendar cal = getCalendar();
cal.set(Calendar.DAY_OF_MONTH, 1);
int maxDayNo = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
int dayNo = 2 - cal.get(Calendar.DAY_OF_WEEK);
for (int i = 0; i < 6; i++) {
for (int j = 0; j < 7; j++) {
String s = "";
if (dayNo >= 1 && dayNo <= maxDayNo) {
s = String.valueOf(dayNo);
}
daysButton[i][j].setText(s);
dayNo++;
}
}
dayColorUpdate(false);
}
public void stateChanged(ChangeEvent e) {
dayColorUpdate(true);
JSpinner source = (JSpinner) e.getSource();
Calendar cal = getCalendar();
if (source.getName().equals("Year")) {
cal.set(Calendar.YEAR, getSelectedYear());
} else {
cal.set(Calendar.MONTH, getSelectedMonth() - 1);
}
setDate(cal.getTime());
reflushWeekAndDay();
}
}
}
It needs to be done as following:
getScrollView().post(new Runnable() {
@Override
public void run() {
getScrollView().fullScroll(ScrollView.FOCUS_DOWN);
}
});
This way the view is first updated and then scrolls to the "new" bottom.
just continuing what @Mulki made with his code
public string WebRequestinJson(string url, string postData)
{
string ret = string.Empty;
StreamWriter requestWriter;
var webRequest = System.Net.WebRequest.Create(url) as HttpWebRequest;
if (webRequest != null)
{
webRequest.Method = "POST";
webRequest.ServicePoint.Expect100Continue = false;
webRequest.Timeout = 20000;
webRequest.ContentType = "application/json";
//POST the data.
using (requestWriter = new StreamWriter(webRequest.GetRequestStream()))
{
requestWriter.Write(postData);
}
}
HttpWebResponse resp = (HttpWebResponse)webRequest.GetResponse();
Stream resStream = resp.GetResponseStream();
StreamReader reader = new StreamReader(resStream);
ret = reader.ReadToEnd();
return ret;
}
You define a boolean value with default of true, and then inside an IE conditional comment, set the value to false, and use the value of this to determine whether your advanced code should run. Something like:
<script type="text/javascript">var runFancy = true;</script>
<!--[if IE]>
<script type="text/javascript">
runFancy = false;
//any other IE specific stuff here
</script>
<![endif]-->
<script type="text/javascript">
if (runFancy) {
//do your code that works with sane browsers
}
</script>
In your example, the TMP
variable is set (and the temporary directory created) whenever the rules for out.tar
are evaluated. In order to create the directory only when out.tar
is actually fired, you need to move the directory creation down into the steps:
out.tar :
$(eval TMP := $(shell mktemp -d))
@echo hi $(TMP)/hi.txt
tar -C $(TMP) cf $@ .
rm -rf $(TMP)
The eval function evaluates a string as if it had been typed into the makefile manually. In this case, it sets the TMP
variable to the result of the shell
function call.
edit (in response to comments):
To create a unique variable, you could do the following:
out.tar :
$(eval $@_TMP := $(shell mktemp -d))
@echo hi $($@_TMP)/hi.txt
tar -C $($@_TMP) cf $@ .
rm -rf $($@_TMP)
This would prepend the name of the target (out.tar, in this case) to the variable, producing a variable with the name out.tar_TMP
. Hopefully, that is enough to prevent conflicts.
The other thing to be careful about, is to use the clf
(clear figure) command when you are starting a fresh plot. Otherwise you may be plotting on a pre-existing figure (not possible with the figure
command by itself, but if you do figure(2)
there may already be a figure #2), with more than one axis, or an axis that is placed kinda funny. Use clf
to ensure that you're starting from scratch:
figure(N);
clf;
plot(something);
...
I accepted trebleCode's answer, but I wanted to provide a bit more detail regarding the steps I took to install the nupkg of interest pswindowsupdate.2.0.0.4.nupkg
on my unconnected Win 7 machine by way of following trebleCode's answer.
First: after digging around a bit, I think I found the MS docs that trebleCode refers to:
Bootstrap the NuGet provider and NuGet.exe
To continue, as trebleCode stated, I did the following
Install NuGet provider on my connected machine
On a connected machine (Win 10 machine), from the PS command line, I ran Install-PackageProvider -Name NuGet -RequiredVersion 2.8.5.201 -Force
. The Nuget software was obtained from the 'Net and installed on my local connected machine.
After the install I found the NuGet provider software at C:\Program Files\PackageManagement\ProviderAssemblies
(Note: the folder name \ProviderAssemblies
as opposed to \ReferenceAssemblies
was the one minor difference relative to trebleCode's answer.
The provider software is in a folder structure like this:
C:\Program Files\PackageManagement\ProviderAssemblies
\NuGet
\2.8.5.208
\Microsoft.PackageManagement.NuGetProvider.dll
Install NuGet provider on my unconnected machine
I copied the \NuGet folder (and all its children) from the connected machine onto a thumb drive and copied it to C:\Program Files\PackageManagement\ProviderAssemblies
on my unconnected (Win 7) machine
I started PS (v5) on my unconnected (Win 7) machine and ran Import-PackageProvider -Name NuGet -RequiredVersion 2.8.5.201
to import the provider to the current PowerShell
session.
I ran Get-PackageProvider -ListAvailable
and saw this (NuGet appears where it was not present before):
Name Version DynamicOptions
---- ------- --------------
msi 3.0.0.0 AdditionalArguments
msu 3.0.0.0
NuGet 2.8.5.208 Destination, ExcludeVersion, Scope, SkipDependencies, Headers, FilterOnTag, Contains, AllowPrereleaseVersions, ConfigFile, SkipValidate
PowerShellGet 1.0.0.1 PackageManagementProvider, Type, Scope, AllowClobber, SkipPublisherCheck, InstallUpdate, NoPathUpdate, Filter, Tag, Includes, DscResource, RoleCapability, Command, PublishLocati...
Programs 3.0.0.0 IncludeWindowsInstaller, IncludeSystemComponent
Create local repository on my unconnected machine
On unconnected (Win 7) machine, I created a folder to serve as my PS repository (say, c:\users\foo\Documents\PSRepository
)
I registered the repo: Register-PSRepository -Name fooPsRepository -SourceLocation c:\users\foo\Documents\PSRepository -InstallationPolicy Trusted
Install the NuGet package
I obtained and copied the nupkg pswindowsupdate.2.0.0.4.nupkg
to c:\users\foo\Documents\PSRepository
on my unconnected Win7 machine
I learned the name of the module by executing Find-Module -Repository fooPsRepository
Version Name Repository Description
------- ---- ---------- -----------
2.0.0.4 PSWindowsUpdate fooPsRepository This module contain functions to manage Windows Update Client.
I installed the module by executing Install-Module -Name pswindowsupdate
I verified the module installed by executing Get-Command –module PSWindowsUpdate
CommandType Name Version Source
----------- ---- ------- ------
Alias Download-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Alias Get-WUInstall 2.0.0.4 PSWindowsUpdate
Alias Get-WUList 2.0.0.4 PSWindowsUpdate
Alias Hide-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Alias Install-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Alias Show-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Alias UnHide-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Alias Uninstall-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Cmdlet Add-WUServiceManager 2.0.0.4 PSWindowsUpdate
Cmdlet Enable-WURemoting 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUApiVersion 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUHistory 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUInstallerStatus 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUJob 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WULastResults 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WURebootStatus 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUServiceManager 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUSettings 2.0.0.4 PSWindowsUpdate
Cmdlet Get-WUTest 2.0.0.4 PSWindowsUpdate
Cmdlet Invoke-WUJob 2.0.0.4 PSWindowsUpdate
Cmdlet Remove-WindowsUpdate 2.0.0.4 PSWindowsUpdate
Cmdlet Remove-WUServiceManager 2.0.0.4 PSWindowsUpdate
Cmdlet Set-WUSettings 2.0.0.4 PSWindowsUpdate
Cmdlet Update-WUModule 2.0.0.4 PSWindowsUpdate
I think I'm good to go
If you are using RecyclerView-23.2.1
or later. Following solution will work just fine:
In your layout add RecyclerView like this:
<android.support.v7.widget.RecyclerView
android:id="@+id/review_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical" />
And in your java file:
RecyclerView mRecyclerView = (RecyclerView) view.findViewById(R.id.recyclerView);
LinearLayoutManager layoutManager=new LinearLayoutManager(getContext());
layoutManager.setAutoMeasureEnabled(true);
mRecyclerView.setLayoutManager(layoutManager);
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setAdapter(new YourListAdapter(getContext()));
Here layoutManager.setAutoMeasureEnabled(true);
will do the trick.
Check out this issue and this developer blog for more information.
No need to use a macro. Supposing your first string is in A1.
=RIGHT(A1, 4)
Drag this down and you will get your four last characters.
Edit: To be sure, if you ever have sequences like 'ABC DEF' and want the last four LETTERS and not CHARACTERS you might want to use trimspaces()
=RIGHT(TRIMSPACES(A1), 4)
Edit: As per brettdj's suggestion, you may want to check that your string is actually 4-character long or more:
=IF(TRIMSPACES(A1)>=4, RIGHT(TRIMSPACES(A1), 4), TRIMSPACES(A1))
It works like this:
h4 {
display:inline;
}
h4:after {
content:"\a";
white-space: pre;
}
Example: http://jsfiddle.net/Bb2d7/
The trick comes from here: https://stackoverflow.com/a/66000/509752 (to have more explanation)
String.split(String regex) is convenient but if you don't need the regular expression handling then go with the substring(..) example, java.util.StringTokenizer or use Apache commons lang 1. The performance difference when not using regular expressions can be a gain of 1 to 2 orders of magnitude in speed.
start "" AcroRd32.exe /A "page=207" "C:\Users\abc\Desktop\abc xyz def\abc def xyz 2015.pdf"
You may try this, I did it finally, it works!
Use a for loop. There's nothing built into array. Or switch to a java.util Collection class.
Assuming
var val = $('#person_data[document_type]').value();
you have these cases:
val === 'NULL'; // actual value is a string with content "NULL"
val === ''; // actual value is an empty string
val === null; // actual value is null (absence of any value)
So, use what you need.
For other peeps: If you have to use GridLayout due to project requirements then use it but I would suggest trying out TableLayout as it seems much easier to work with and achieves a similar result.
Docs: https://developer.android.com/reference/android/widget/TableLayout.html
Example:
<TableLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TableRow>
<Button
android:id="@+id/test1"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 1"
android:drawableTop="@mipmap/android_launcher"
/>
<Button
android:id="@+id/test2"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 2"
android:drawableTop="@mipmap/android_launcher"
/>
<Button
android:id="@+id/test3"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 3"
android:drawableTop="@mipmap/android_launcher"
/>
<Button
android:id="@+id/test4"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 4"
android:drawableTop="@mipmap/android_launcher"
/>
</TableRow>
<TableRow>
<Button
android:id="@+id/test5"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 5"
android:drawableTop="@mipmap/android_launcher"
/>
<Button
android:id="@+id/test6"
android:layout_width="wrap_content"
android:layout_height="90dp"
android:text="Test 6"
android:drawableTop="@mipmap/android_launcher"
/>
</TableRow>
</TableLayout>
In case you're already using the transform property for positioning your element (as I currently am), you can also animate the top margin:
.ball {
animation: bounce 1s infinite alternate;
-webkit-animation: bounce 1s infinite alternate;
}
@keyframes bounce {
from {
margin-top: 0;
}
to {
margin-top: -15px;
}
}
// int year =2000; int month =9 ; int day=30;
public int getAge (int year, int month, int day) {
GregorianCalendar cal = new GregorianCalendar();
int y, m, d, noofyears;
y = cal.get(Calendar.YEAR);// current year ,
m = cal.get(Calendar.MONTH);// current month
d = cal.get(Calendar.DAY_OF_MONTH);//current day
cal.set(year, month, day);// here ur date
noofyears = y - cal.get(Calendar.YEAR);
if ((m < cal.get(Calendar.MONTH))
|| ((m == cal.get(Calendar.MONTH)) && (d < cal
.get(Calendar.DAY_OF_MONTH)))) {
--noofyears;
}
if(noofyears < 0)
throw new IllegalArgumentException("age < 0");
System.out.println(noofyears);
return noofyears;
Assuming the type is CV_8UC3 you would do this:
for(int i = 0; i < foo.rows; i++)
{
for(int j = 0; j < foo.cols; j++)
{
Vec3b bgrPixel = foo.at<Vec3b>(i, j);
// do something with BGR values...
}
}
Here is the documentation for Vec3b. Hope that helps! Also, don't forget OpenCV stores things internally as BGR not RGB.
EDIT :
For performance reasons, you may want to use direct access to the data buffer in order to process the pixel values:
Here is how you might go about this:
uint8_t* pixelPtr = (uint8_t*)foo.data;
int cn = foo.channels();
Scalar_<uint8_t> bgrPixel;
for(int i = 0; i < foo.rows; i++)
{
for(int j = 0; j < foo.cols; j++)
{
bgrPixel.val[0] = pixelPtr[i*foo.cols*cn + j*cn + 0]; // B
bgrPixel.val[1] = pixelPtr[i*foo.cols*cn + j*cn + 1]; // G
bgrPixel.val[2] = pixelPtr[i*foo.cols*cn + j*cn + 2]; // R
// do something with BGR values...
}
}
Or alternatively:
int cn = foo.channels();
Scalar_<uint8_t> bgrPixel;
for(int i = 0; i < foo.rows; i++)
{
uint8_t* rowPtr = foo.row(i);
for(int j = 0; j < foo.cols; j++)
{
bgrPixel.val[0] = rowPtr[j*cn + 0]; // B
bgrPixel.val[1] = rowPtr[j*cn + 1]; // G
bgrPixel.val[2] = rowPtr[j*cn + 2]; // R
// do something with BGR values...
}
}
there is no need to use for cycle
you can benefit from bash parameter expansion functions:
var="a b c";
var=${var// /\\n};
echo -e $var
a
b
c
or just use tr:
var="a b c"
echo $var | tr " " "\n"
a
b
c
I know this is an old post but I had a lot of issues trying to solve this and I finally did so I wanted to share.
My issue was that I was adding an event listener within the ontouchstart and removing it in the ontouchend functions - something like this
function onTouchStart() {
window.addEventListener("touchmove", handleTouchMove, {
passive: false
});
}
function onTouchEnd() {
window.removeEventListener("touchmove", handleTouchMove, {
passive: true
});
}
function handleTouchMove(e) {
e.preventDefault();
}
For some reason adding it removing it like this was causing this issue of the event randomly not being cancelable. So to solve this I kept the listener active and toggled a boolean on whether or not it should prevent the event - something like this:
let stopScrolling = false;
window.addEventListener("touchmove", handleTouchMove, {
passive: false
});
function handleTouchMove(e) {
if (!stopScrolling) {
return;
}
e.preventDefault();
}
function onTouchStart() {
stopScrolling = true;
}
function onTouchEnd() {
stopScrolling = false;
}
I was actually using React so my solution involved setting state, but I've simplified it for a more generic solution. Hopefully this helps someone!
Generally you can do
select * from your_table
order by case when name = 'core' then 1 else 2 end,
priority
Especially in MySQL you can also do
select * from your_table
order by name <> 'core',
priority
Since the result of a comparision in MySQL is either 0
or 1
and you can sort by that result.
The file you read in must have exactly the file name you specify: "10_random"
not "10_random.txt" not "10_random.blah", it must exactly match what you are asking for. You can change either one to match so that they line up, but just be sure they do. It may help to show the file extensions in whatever OS you're using.
Also, for file location, it must be located in the working directory (same level) as the final executable (the .class file) that is the result of compilation.
URL url = new URL(yourUrl, "/api/v1/status.xml");
According to the javadocs this constructor just appends whatever resource to the end of your domain, so you would want to create 2 urls:
URL domain = new URL("http://example.com");
URL url = new URL(domain + "/files/resource.xml");
Sources: http://docs.oracle.com/javase/6/docs/api/java/net/URL.html
df = df_try
for i in range(4):
df = df.append(df_try)
# Here, we have df_try times 5
df = df.append(df)
# Here, we have df_try times 10
You need to check the return value against EOF
, not against 1
.
Note that in your example, you also used two different variable names, words
and word
, only declared words
, and didn't declare its length, which should be 16 to fit the 15 characters read in plus a NUL
character.
You want a config.site file. Try:
$ mkdir -p ~/local/share $ cat << EOF > ~/local/share/config.site CPPFLAGS=-I$HOME/local/include LDFLAGS=-L$HOME/local/lib ... EOF
Whenever you invoke an autoconf generated configure script with --prefix=$HOME/local, the config.site will be read and all the assignments will be made for you. CPPFLAGS and LDFLAGS should be all you need, but you can make any other desired assignments as well (hence the ... in the sample above). Note that -I flags belong in CPPFLAGS and not in CFLAGS, as -I is intended for the pre-processor and not the compiler.
Current Date using java 8: First, let's use java.time.LocalDate to get the current system date:
LocalDate localDate = LocalDate.now();
To get the date in any other timezone we can use LocalDate.now(ZoneId):
LocalDate localDate = LocalDate.now(ZoneId.of("GMT+02:30"));
We can also use java.time.LocalDateTime to get an instance of LocalDate:
LocalDateTime localDateTime = LocalDateTime.now();
LocalDate localDate = localDateTime.toLocalDate();
Before the launch of Java SE 7 we were habitual of writing code with multiple catch statements associated with a try block. A very basic Example:
try {
// some instructions
} catch(ATypeException e) {
} catch(BTypeException e) {
} catch(CTypeException e) {
}
But now with the latest update on Java, instead of writing multiple catch statements we can handle multiple exceptions within a single catch clause. Here is an example showing how this feature can be achieved.
try {
// some instructions
} catch(ATypeException|BTypeException|CTypeException ex) {
throw e;
}
So multiple Exceptions in a single catch clause not only simplifies the code but also reduce the redundancy of code. I found this article which explains this feature very well along with its implementation. Improved and Better Exception Handling from Java 7 This may help you too.
With ES6, this is possible in exactly the manner you have described; a detailed description can be found in the documentation.
Default parameters in JavaScript can be implemented in mainly two ways:
function myfunc(a, b)
{
// use this if you specifically want to know if b was passed
if (b === undefined) {
// b was not passed
}
// use this if you know that a truthy value comparison will be enough
if (b) {
// b was passed and has truthy value
} else {
// b was not passed or has falsy value
}
// use this to set b to a default value (using truthy comparison)
b = b || "default value";
}
The expression b || "default value"
evaluates the value AND existence of b
and returns the value of "default value"
if b
either doesn't exist or is falsy.
Alternative declaration:
function myfunc(a)
{
var b;
// use this to determine whether b was passed or not
if (arguments.length == 1) {
// b was not passed
} else {
b = arguments[1]; // take second argument
}
}
The special "array" arguments
is available inside the function; it contains all the arguments, starting from index 0
to N - 1
(where N
is the number of arguments passed).
This is typically used to support an unknown number of optional parameters (of the same type); however, stating the expected arguments is preferred!
Although undefined
is not writable since ES5, some browsers are known to not enforce this. There are two alternatives you could use if you're worried about this:
b === void 0;
typeof b === 'undefined'; // also works for undeclared variables
As of requests
version 2.10.0, released on 2016-04-29, requests
supports SOCKS.
It requires PySocks, which can be installed with pip install pysocks
.
Example usage:
import requests
proxies = {'http': "socks5://myproxy:9191"}
requests.get('http://example.org', proxies=proxies)
An alternative is to use the maven shade plugin to build an uber-jar
.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version> Your Version Here </version>
<configuration>
<!-- put your configurations here -->
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
about Oderik's post:
You can make your enum implement Parcelable which is quite easy for enums:
public enum MyEnum implements Parcelable { ... } You can than use Intent.putExtra(String, Parcelable).
If you define a MyEnum variable myEnum, then do intent.putExtra("Parcelable1", myEnum), you will get a "The method putExtra(String, Parcelable) is ambiguous for the type Intent" error message. because there is also a Intent.putExtra(String, Parcelable) method, and original 'Enum' type itself implements the Serializable interface, so compiler does not know choose which method(intent.putExtra(String, Parcelable/or Serializable)).
Suggest that remove the Parcelable interface from MyEnum, and move the core code into wrap class' Parcelable implementation, like this(Father2 is a Parcelable and contain an enum field):
public class Father2 implements Parcelable {
AnotherEnum mAnotherEnum;
int mField;
public Father2(AnotherEnum myEnum, int field) {
mAnotherEnum = myEnum;
mField = field;
}
private Father2(Parcel in) {
mField = in.readInt();
mAnotherEnum = AnotherEnum.values()[in.readInt()];
}
public static final Parcelable.Creator<Father2> CREATOR = new Parcelable.Creator<Father2>() {
public Father2 createFromParcel(Parcel in) {
return new Father2(in);
}
@Override
public Father2[] newArray(int size) {
return new Father2[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mField);
dest.writeInt(mAnotherEnum.ordinal());
}
}
then we can do:
AnotherEnum anotherEnum = AnotherEnum.Z;
intent.putExtra("Serializable2", AnotherEnum.X);
intent.putExtra("Parcelable2", new Father2(AnotherEnum.X, 7));
First you can use map and with chaining you can use filter
state.map(item => {
if(item.id === action.item.id){
return {
id : action.item.id,
name : item.name,
price: item.price,
quantity : item.quantity-1
}
}else{
return item;
}
}).filter(item => {
if(item.quantity <= 0){
return false;
}else{
return true;
}
});
(SELECT C.I_WORKDATE
FROM T_COMPENSATION C
WHERE C.I_COMPENSATEDDATE = A.I_REQDATE AND ROWNUM <= 1
AND C.I_EMPID = A.I_EMPID)
There are several ways to do it:
Move the code into a new method and return
from it
Wrap the try/catch in a do{}while(false);
loop.
Replace
rake assets:precompile RAILS_ENV=production
with
rake assets:precompile
(RAILS_ENV=production bundle exec rake assets:precompile
is the exact rake task)
Since precompilation is done in production mode only, no need to explicitly specify the environment.
Update:
Try adding the below line to your Gemfile:
group :assets do
gem 'therubyracer'
gem 'sass-rails', " ~> 3.1.0"
gem 'coffee-rails', "~> 3.1.0"
gem 'uglifier'
end
Then run bundle install
.
Hope it will work :)
This is a python pointer (different of c/c++)
>>> a = lambda : print('Hello')
>>> a
<function <lambda> at 0x0000018D192B9DC0>
>>> id(a) == int(0x0000018D192B9DC0)
True
>>> from ctypes import cast, py_object
>>> cast(id(a), py_object).value == cast(int(0x0000018D192B9DC0), py_object).value
True
>>> cast(id(a), py_object).value
<function <lambda> at 0x0000018D192B9DC0>
>>> cast(id(a), py_object).value()
Hello
In my case the answer is pretty simple. Please check carefully the hardcoded url port: it is 8080. For some reason the value has changed to: for example 3030.
Just refresh the port in your ajax url string to the appropriate one.
conn = new WebSocket('ws://localhost:3030'); //should solve the issue
Clone is broken, so dont use it.
THE CLONE METHOD of the Object class is a somewhat magical method that does what no pure Java method could ever do: It produces an identical copy of its object. It has been present in the primordial Object superclass since the Beta-release days of the Java compiler*; and it, like all ancient magic, requires the appropriate incantation to prevent the spell from unexpectedly backfiring
Prefer a method that copies the object
Foo copyFoo (Foo foo){
Foo f = new Foo();
//for all properties in FOo
f.set(foo.get());
return f;
}
Read more http://adtmag.com/articles/2000/01/18/effective-javaeffective-cloning.aspx
Very elegant solution inspired from this one. This one uses only .Net library and does not need to use any command line or Win32 API.
Code for ready reference:
NetworkCredential theNetworkCredential = new NetworkCredential(@"domain\username", "password");
CredentialCache theNetCache = new CredentialCache();
theNetCache.Add(new Uri(@"\\computer"), "Basic", theNetworkCredential);
string[] theFolders = Directory.GetDirectories(@"\\computer\share");
Why not use order by asc limit 1
and the reverse, order by desc limit 1
?
This will work also:
for i in {0..9}{0..9}{0..9}{0..9}
do
echo "$i"
done
If you want to recursively convert the entire array into an Object type (stdClass) then , below is the best method and it's not time-consuming or memory deficient especially when you want to do a recursive (multi-level) conversion compared to writing your own function.
$array_object = json_decode(json_encode($array));
The following will check whether an IP is valid or not: If the IP is within 0.0.0.0 to 255.255.255.255, then the output will be true, otherwise it will be false:
[0<=int(x)<256 for x in re.split('\.',re.match(r'^\d+\.\d+\.\d+\.\d+$',your_ip).group(0))].count(True)==4
Example:
your_ip = "10.10.10.10"
[0<=int(x)<256 for x in re.split('\.',re.match(r'^\d+\.\d+\.\d+\.\d+$',your_ip).group(0))].count(True)==4
Output:
>>> your_ip = "10.10.10.10"
>>> [0<=int(x)<256 for x in re.split('\.',re.match(r'^\d+\.\d+\.\d+\.\d+$',your_ip).group(0))].count(True)==4
True
>>> your_ip = "10.10.10.256"
>>> [0<=int(x)<256 for x in re.split('\.',re.match(r'^\d+\.\d+\.\d+\.\d+$',your_ip).group(0))].count(True)==4
False
>>>
Faced the same issue. To solve it,
$ sdk install gradle
using the package manager or $ brew install gradle
for mac. You might need to first install brew if not yet. This should work!
[HttpPost]
public ActionResult RedirectToImages(int id)
{
return RedirectToAction("Index", "ProductImageManeger", new { id = id });
}
[HttpGet]
public ViewResult Index(int id)
{
return View(_db.ProductImages.Where(rs => rs.ProductId == id).ToList());
}
Notice that you don't have to pass the name of view if you are returning the same view as implemented by the action.
Your view should inherit the model as this:
@model <Your class name>
You can then access your model in view as:
@Model.<property_name>
You could try my Beavertail ADSI browser - it should show you the current AD tree, and from it, you should be able to figure out the path and all.
Or if you're on .NET 3.5, using the System.DirectoryServices.AccountManagement
namespace, you could also do it programmatically:
PrincipalContext ctx = new PrincipalContext(ContextType.Domain);
This would create a basic, default domain context and you should be able to peek at its properties and find a lot of stuff from it.
Or:
UserPrincipal myself = UserPrincipal.Current;
This will give you a UserPrincipal
object for yourself, again, with a ton of properties to inspect. I'm not 100% sure what you're looking for - but you most likely will be able to find it on the context or the user principal somewhere!
You can use an RDLC file provided in visual studio to define your report layout. You can view the rdlc using the ReportViewer control.
Both are provided out of the box with visual studio.
You can do this by following one of the solutions:
This approach will construct the bean requiring some beans as constructor parameters. Within the constructor code you set the static field with the value got as parameter for constructor execution. Sample:
@Component
public class Boo {
private static Foo foo;
@Autowired
public Boo(Foo foo) {
Boo.foo = foo;
}
public static void randomMethod() {
foo.doStuff();
}
}
The idea here is to hand over a bean to a static field after bean is configured by spring.
@Component
public class Boo {
private static Foo foo;
@Autowired
private Foo tFoo;
@PostConstruct
public void init() {
Boo.foo = tFoo;
}
public static void randomMethod() {
foo.doStuff();
}
}
It's all about data types. Take a BOOL
(true or false) for example:
true
also equals 1
and
false
also equals 0
The ==
does not care about the data types when comparing:
So if you had a variable that is 1 (which could also be true
):
$var=1;
And then compare with the ==
:
if ($var == true)
{
echo"var is true";
}
But $var
does not actually equal true
, does it? It has the int value of 1
instead, which in turn, is equal to true.
With ===
, the data types are checked to make sure the two variables/objects/whatever are using the same type.
So if I did
if ($var === true)
{
echo "var is true";
}
that condition would not be true, as $var !== true
it only == true
(if you know what I mean).
Why would you need this?
Simple - let's take a look at one of PHP's functions: array_search()
:
The array_search()
function simply searches for a value in an array, and returns the key of the element the value was found in. If the value could not be found in the array, it returns false. But, what if you did an array_search()
on a value that was stored in the first element of the array (which would have the array key of 0
)....the array_search()
function would return 0...which is equal to false..
So if you did:
$arr = array("name");
if (array_search("name", $arr) == false)
{
// This would return 0 (the key of the element the val was found
// in), but because we're using ==, we'll think the function
// actually returned false...when it didn't.
}
So, do you see how this could be an issue now?
Most people don't use == false
when checking if a function returns false. Instead, they use the !
. But actually, this is exactly the same as using ==false
, so if you did:
$arr = array("name");
if (!array_search("name", $arr)) // This is the same as doing (array_search("name", $arr) == false)
So for things like that, you would use the ===
instead, so that the data type is checked.
Objects in JavaScript are collections of properties and can therefore be looped in a for each statement.
You should think of obj
as an key value collection.
I was the same problem and as Pengyy suggest, that is the fix. Thanks a lot.
My problem on the Browser Console:
PortafolioComponent.html:3 ERROR Error: Error trying to diff '[object Object]'. Only arrays and iterables are allowed(…)
In my case my code fix was:
//productos.service.ts
import { Injectable } from '@angular/core';
import { Http } from '@angular/http';
@Injectable()
export class ProductosService {
productos:any[] = [];
cargando:boolean = true;
constructor( private http:Http) {
this.cargar_productos();
}
public cargar_productos(){
this.cargando = true;
this.http.get('https://webpage-88888a1.firebaseio.com/productos.json')
.subscribe( res => {
console.log(res.json());
this.cargando = false;
this.productos = res.json().productos; // Before this.productos = res.json();
});
}
}
following code works just fine for me.
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(movieurl));
startActivity(intent);
If a global hotkey would suffice, then RegisterHotKey would do the trick
As an addition
To disable all rules for the next line // tslint:disable-next-line
To disable specific rules for the next line: // tslint:disable-next-line:rule1 rule2...
To disable all rules for the current line: someCode(); // tslint:disable-line
To disable specific rules for the current line: someCode(); // tslint:disable-line:rule1
Avoiding redundancy I don't repeat my answer here again.
Please refer to my answer here. (note that answer only covers compiling to python bytecode.)
QT can be as simple as that of Windows. The equivalent code is
if (QMessageBox::Yes == QMessageBox(QMessageBox::Information, "title", "Question", QMessageBox::Yes|QMessageBox::No).exec())
{
}
The same way you do it in other db system, you can use the name of the db for identifying double named tables. unique tablenames can used directly.
select * from ttt.table_name;
or if table name in all attached databases is unique
select * from my_unique_table_name;
But I think the of of sqlite-shell is only for manual lookup or manual data manipulation and therefor this way is more inconsequential
normally you would use sqlite-command-line in a script
I had a different problem. My computer contained older OpenSSL DLL files in system32 and syswow64 so to fix my problem, I had to copy libeay32.dll
and ssleay32.dll
from one folder to another folder within the Git folders of Visual Studio 2017.
FROM: C:\Program Files (x86)\Microsoft Visual Studio\2017\
vs_edition\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\Git\mingw32\bin\
TO: C:\Program Files (x86)\Microsoft Visual Studio\2017\
vs_edition\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\Git\mingw32\libexec\git-core
You can try something like this. Special Characters range for alphabets starts from 192, so you can avoid such characters in the result.
String name = "A função";
StringBuilder result = new StringBuilder();
for(char val : name.toCharArray()) {
if(val < 192) result.append(val);
}
System.out.println("Result "+result.toString());
The curses library can be used for this purpose. Of course, select()
and signal handlers can be used too to a certain extent.
your data grid needs to be bound to a sortable list in the first place.
Create this event handler:
void MakeColumnsSortable_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
{
//Add this as an event on DataBindingComplete
DataGridView dataGridView = sender as DataGridView;
if (dataGridView == null)
{
var ex = new InvalidOperationException("This event is for a DataGridView type senders only.");
ex.Data.Add("Sender type", sender.GetType().Name);
throw ex;
}
foreach (DataGridViewColumn column in dataGridView.Columns)
column.SortMode = DataGridViewColumnSortMode.Automatic;
}
And initialize the event of each of your datragrids like this:
dataGridView1.DataBindingComplete += MakeColumnsSortable_DataBindingComplete;
Use __LINE__
(that's double-underscore LINE double-underscore), the preprocessor will replace it with the line number on which it is encountered.
Here's what I suggest and what has worked for me. In your application class, implement an Application.ActivityLifeCycleCallbacks
listener and set a variable in your application class. Then query the variable as needed.
class YourApplication: Application.ActivityLifeCycleCallbacks {
var currentActivity: Activity? = null
fun onCreate() {
registerActivityLifecycleCallbacks(this)
}
...
override fun onActivityResumed(activity: Activity) {
currentActivity = activity
}
}
Try using isnull(a), isnotnull(a), nvl(), etc. On some versions(potentially in conjunction with the server settings - atleast with the one I am working on) of hive the 'IS NULL' and 'IS NOT NULL' syntax does not execute the logic when it is compiled. Check here for more information.
Instead of using a submit button, try using a <button type="button">Submit</button>
You can then call a javascript function in the button, and after the alert popup is confirmed, you can manually submit the form with document.getElementById("form").submit(); ... so you'll need to name and id your form for that to work.
I've found this line to always work, regardless of whether the file is being sourced or run as a script.
echo "${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]}"
If you want to follow symlinks use readlink
on the path you get above, recursively or non-recursively.
The reason the one-liner works is explained by the use of the BASH_SOURCE
environment variable and its associate FUNCNAME
.
BASH_SOURCE
An array variable whose members are the source filenames where the corresponding shell function names in the FUNCNAME array variable are defined. The shell function ${FUNCNAME[$i]} is defined in the file ${BASH_SOURCE[$i]} and called from ${BASH_SOURCE[$i+1]}.
FUNCNAME
An array variable containing the names of all shell functions currently in the execution call stack. The element with index 0 is the name of any currently-executing shell function. The bottom-most element (the one with the highest index) is "main". This variable exists only when a shell function is executing. Assignments to FUNCNAME have no effect and return an error status. If FUNCNAME is unset, it loses its special properties, even if it is subsequently reset.
This variable can be used with BASH_LINENO and BASH_SOURCE. Each element of FUNCNAME has corresponding elements in BASH_LINENO and BASH_SOURCE to describe the call stack. For instance, ${FUNCNAME[$i]} was called from the file ${BASH_SOURCE[$i+1]} at line number ${BASH_LINENO[$i]}. The caller builtin displays the current call stack using this information.
[Source: Bash manual]
You can't use pip. You have to download from the Riverbank website and run the installer for your version of python. If there is no install for your version, you will have to install Python for one of the available installers, or build from source (which is rather involved). Other answers and comments have the links.
You need to check your statement like this :
string url = "www.example.com/aaa/bbb.jpg";
string lenght = url.Lenght-4;
if(url.Lenght > 15)//eg 15
{
string newString = url.Substring(18, lenght);
}
https://www.microsoft.com/en-us/download/details.aspx?id=14258
which leads to:
Microsoft® Visual Studio Team System 2008 Database Edition GDR R2
Hope this is helpfull
In "configuration file" instead this lines:
<compilation debug="true" targetFramework="4.5" />
<httpRuntime targetFramework="4.5" />
by this lines:
<compilation debug="true" targetFramework="4.0" />
<httpRuntime targetFramework="4.0" />
This error because in version 4.0 library belong to "asp:RequiredFieldValidator" exist but in version 4.5 library not exist so you need to add library by yourself
ad 1. It does not implement its methods.
ad 4. The purpose of one interface extending, not implementing another, is to build a more specific interface. For example, SortedMap
is an interface that extends Map
. A client not interested in the sorting aspect can code against Map
and handle all the instances of for example TreeMap
, which implements SortedMap
. At the same time, another client interested in the sorted aspect can use those same instances through the SortedMap
interface.
In your example you are repeating the methods from the superinterface. While legal, it's unnecessary and doesn't change anything in the end result. The compiled code will be exactly the same whether these methods are there or not. Whatever Eclipse's hover says is irrelevant to the basic truth that an interface does not implement anything.
I'm using mysql-connector-java-8.0.13 and had the same problem. I created my database in the command line console and solved this problem by using @Dimitry Rud's solution on the command line:
SET GLOBAL time_zone = '-6:00';
I didn't need to restart anything, set the time and immediately run my code in eclipse, it connected with no problems.
The bug is supposed to be fixed in an older version, but I think I got this error because after I created the database in the console, I didn't set this. I'm not using workbench nor another app to manage this rather than the console.
You can try this also for setting the class in a div section:
/** CSS **/
.content {
background: url('http://www.gransebryan.com/wp-content/uploads/2016/03/bryan-ganzon-granse-who.png') center no-repeat;
}
.displaybg {
text-align: center;
color: #FFF;
}
_x000D_
<div class="content">
<p class="displaybg">This is just a test</p>
</div>
_x000D_
To grant permissions to all of the existing tables in the schema use:
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA <schema> TO <role>
To specify default permissions that will be applied to future tables use:
ALTER DEFAULT PRIVILEGES IN SCHEMA <schema>
GRANT <privileges> ON TABLES TO <role>;
e.g.
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO admin;
If you use SERIAL
or BIGSERIAL
columns then you will probably want to do the same for SEQUENCES
, or else your INSERT
will fail (Postgres 10's IDENTITY
doesn't suffer from that problem, and is recommended over the SERIAL
types), i.e.
ALTER DEFAULT PRIVILEGES IN SCHEMA <schema> GRANT ALL ON SEQUENCES TO <role>;
See also my answer to PostgreSQL Permissions for Web App for more details and a reusable script.
Ref:
Here's an example with Alarm Manager using Kotlin:
class MainActivity : AppCompatActivity() {
val editText: EditText by bindView(R.id.edit_text)
val timePicker: TimePicker by bindView(R.id.time_picker)
val buttonSet: Button by bindView(R.id.button_set)
val buttonCancel: Button by bindView(R.id.button_cancel)
val relativeLayout: RelativeLayout by bindView(R.id.activity_main)
var notificationId = 0
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
timePicker.setIs24HourView(true)
val alarmManager = getSystemService(Context.ALARM_SERVICE) as AlarmManager
buttonSet.setOnClickListener {
if (editText.text.isBlank()) {
Toast.makeText(applicationContext, "Title is Required!!", Toast.LENGTH_SHORT).show()
return@setOnClickListener
}
alarmManager.set(
AlarmManager.RTC_WAKEUP,
Calendar.getInstance().apply {
set(Calendar.HOUR_OF_DAY, timePicker.hour)
set(Calendar.MINUTE, timePicker.minute)
set(Calendar.SECOND, 0)
}.timeInMillis,
PendingIntent.getBroadcast(
applicationContext,
0,
Intent(applicationContext, AlarmBroadcastReceiver::class.java).apply {
putExtra("notificationId", ++notificationId)
putExtra("reminder", editText.text)
},
PendingIntent.FLAG_CANCEL_CURRENT
)
)
Toast.makeText(applicationContext, "SET!! ${editText.text}", Toast.LENGTH_SHORT).show()
reset()
}
buttonCancel.setOnClickListener {
alarmManager.cancel(
PendingIntent.getBroadcast(
applicationContext, 0, Intent(applicationContext, AlarmBroadcastReceiver::class.java), 0))
Toast.makeText(applicationContext, "CANCEL!!", Toast.LENGTH_SHORT).show()
}
}
override fun onTouchEvent(event: MotionEvent?): Boolean {
(getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager)
.hideSoftInputFromWindow(relativeLayout.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)
relativeLayout.requestFocus()
return super.onTouchEvent(event)
}
override fun onResume() {
super.onResume()
reset()
}
private fun reset() {
timePicker.apply {
val now = Calendar.getInstance()
hour = now.get(Calendar.HOUR_OF_DAY)
minute = now.get(Calendar.MINUTE)
}
editText.setText("")
}
}
Honestly? I've never found a use for staticmethod or classmethod. I've yet to see an operation that can't be done using a global function or an instance method.
It would be different if python used private and protected members more like Java does. In Java, I need a static method to be able to access an instance's private members to do stuff. In Python, that's rarely necessary.
Usually, I see people using staticmethods and classmethods when all they really need to do is use python's module-level namespaces better.
An easy approach would be making all the blank cells NA
and only keeping complete cases. You might also look for na.omit
examples. It is a widely discussed topic.
df[df==""]<-NA
df<-df[complete.cases(df),]
Found this interesting approach when I wanted to implement enums in SQL Server.
The approach mentioned below in the link is quite compelling, considering all your database enum needs could be satisfied with 2 central tables.
I've searched a lot and the best way I've found so far is on this article:
Class to serialize
package net.sghill.example;
import net.sghill.example.UserDeserializer
import net.sghill.example.UserSerializer
import org.codehaus.jackson.map.annotate.JsonDeserialize;
import org.codehaus.jackson.map.annotate.JsonSerialize;
@JsonDeserialize(using = UserDeserializer.class)
public class User {
private ObjectId id;
private String username;
private String password;
public User(ObjectId id, String username, String password) {
this.id = id;
this.username = username;
this.password = password;
}
public ObjectId getId() { return id; }
public String getUsername() { return username; }
public String getPassword() { return password; }
}
Deserializer class
package net.sghill.example;
import net.sghill.example.User;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.ObjectCodec;
import org.codehaus.jackson.map.DeserializationContext;
import org.codehaus.jackson.map.JsonDeserializer;
import java.io.IOException;
public class UserDeserializer extends JsonDeserializer<User> {
@Override
public User deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
ObjectCodec oc = jsonParser.getCodec();
JsonNode node = oc.readTree(jsonParser);
return new User(null, node.get("username").getTextValue(), node.get("password").getTextValue());
}
}
Edit: Alternatively you can look at this article which uses new versions of com.fasterxml.jackson.databind.JsonDeserializer.
rem set defaults:
set filename1="c:\file1.txt"
set filename2="c:\file2.txt"
set filename3="c:\file3.txt"
rem set parameters:
IF NOT "a%1"=="a" (set filename1="%1")
IF NOT "a%2"=="a" (set filename2="%2")
IF NOT "a%3"=="a" (set filename1="%3")
echo %filename1%, %filename2%, %filename3%
Be careful with quotation characters though, you may or may not need them in your variables.
If your form tag is like
<form action="" method="post" id="BookPackageForm">
Then fetch the form element by using forms object.
var formEl = document.forms.BookPackageForm;
Get the data from the form by using FormData objects.
var formData = new FormData(formEl);
Get the value of the fields by the form data object.
var name = formData.get('name');
At long last, we're excited to announce that we FINALLY implemented copy and paste support for Linux/WSL instances in Windows Console via CTRL + SHIFT + [C|V]!
You can enable/disable this feature in case you find a keyboard collision with a command-line app, but this should start working when you install and run any Win10 builds >= 17643.
Thanks for your patience while we re-engineered Console's internals to allow this feature to work :)
Some of the examples here of getting values using coalescing are inefficient.
What you really want is:
return _formsAuthWrapper = _formsAuthWrapper ?? new FormsAuthenticationWrapper();
or
return _formsAuthWrapper ?? (_formsAuthWrapper = new FormsAuthenticationWrapper());
This prevents the object from being recreated every time. Instead of the private variable remaining null and a new object getting created on every request, this ensures the private variable is assigned if the new object is created.
If you just want the INSERT queries, use the following:
mysqldump --skip-triggers --compact --no-create-info
mongodump: To dump all the records:
mongodump --db databasename
To limit the amount of data included in the database dump, you can specify --db and --collection as options to mongodump. For example:
mongodump --collection myCollection --db test
This operation creates a dump of the collection named myCollection from the database 'test' in a dump/ subdirectory of the current working directory. NOTE: mongodump overwrites output files if they exist in the backup data folder.
mongorestore: To restore all data to the original database:
1) mongorestore --verbose \path\dump
or restore to a new database:
2) mongorestore --db databasename --verbose \path\dump\<dumpfolder>
Note: Both requires mongod instances.
@echo off
set array=
setlocal ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION
set nl=^&echo(
set array=auto blue ^!nl!^
bycicle green ^!nl!^
buggy red
echo convert the String in indexed arrays
set /a index=0
for /F "tokens=1,2,3*" %%a in ( 'echo(!array!' ) do (
echo(vehicle[!index!]=%%a color[!index!]=%%b
set vehicle[!index!]=%%a
set color[!index!]=%%b
set /a index=!index!+1
)
echo use the arrays
echo(%vehicle[1]% %color[1]%
echo oder
set index=1
echo(!vehicle[%index%]! !color[%index%]!
You need to remove TFS credentials from Windows Vault to clear and force to ask new TFS credentials in Visual Studio
Go to Control Panel (Start -> Control Panel).
Click User Accounts ( or User Accounts and Family Safety->User Accounts in Windows 7 Machine)
Click Credential Manager (or Manage your credentials)
In Credential Manager page, you can see the two type of credentials
i. Windows Credentials
ii. Generic Credentials
5.Click on two credentials modify link, click the link Remove from vault to remove stored TFS credentials.
Now, When you login into Visual Studio you will be asked to give credentials to connect TFS.
Note: Don't forgot to uncheck the option Remember my credentials to force to ask credentials for every TFS connections.
If you are sure that you selected the Generic iOS device
and still can't see the option, then you simply have to restart Xcode.
This was the missing solution for me as a cordova developer with Xcode 11.2
Thanks to @ahhmarr's solution I was able to solve the same problem in my Angular+ui-router environment, which I'll share here for whoever's interested.
In my index.html
I've added the following script:
<script type="text/javascript">
setTimeout(function() {
$('input').attr('autocomplete', 'off');
}, 2000);
</script>
Then to cover state changes, I've added the following in my root controller:
$rootScope.$on('$stateChangeStart', function() {
$timeout(function () {
$('input').attr('autocomplete', 'off');
}, 2000);
});
The timeouts are for the html to render before applying the jquery.
If you find a better solution please let me know.
Here is a shorter version of the function presented above:
function getWidth() {
if (self.innerWidth) {
return self.innerWidth;
}
else if (document.documentElement && document.documentElement.clientHeight){
return document.documentElement.clientWidth;
}
else if (document.body) {
return document.body.clientWidth;
}
return 0;
}
If you don't want to handle error just NoneType
and use get()
e.g.:
manager.connect.get("")
in your PHP file, when you echo your data use json_encode (http://php.net/manual/en/function.json-encode.php)
e.g.
<?php
//plum or data...
$output = array("data","plum");
echo json_encode($output);
?>
in your javascript code, when your ajax completes the json encoded response data can be turned into an js array like this:
$.ajax({
type: "POST",
url: "process.php",
data: somedata;
success function(json_data){
var data_array = $.parseJSON(json_data);
//access your data like this:
var plum_or_whatever = data_array['output'];.
//continue from here...
}
});
import java.io.*;
public class MultiFolderReading {
public void checkNoOfFiles (String filename) throws IOException {
File dir=new File(filename);
File files[]=dir.listFiles();//files array stores the list of files
for(int i=0;i<files.length;i++)
{
if(files[i].isFile()) //check whether files[i] is file or directory
{
System.out.println("File::"+files[i].getName());
System.out.println();
}
else if(files[i].isDirectory())
{
System.out.println("Directory::"+files[i].getName());
System.out.println();
checkNoOfFiles(files[i].getAbsolutePath());
}
}
}
public static void main(String[] args) throws IOException {
MultiFolderReading mf=new MultiFolderReading();
String str="E:\\file";
mf.checkNoOfFiles(str);
}
}
That number indicates Date and Time Styles
You need to look at CAST and CONVERT (Transact-SQL). Here you can find the meaning of all these Date and Time Styles.
Styles with century (e.g. 100, 101 etc) means year will come in yyyy
format. While styles without century (e.g. 1,7,10) means year will come in yy
format.
You can also refer to SQL Server Date Formats. Here you can find all date formats with examples.
I had the same issue with mind. I tried using sudo apt-get install build-essential It still won't work. I simply created a hardlink to the gcc-x binary in the /usr/bin/ folder. sudo ls /usr/bin/gcc-x /usr/bin/gcc
That worked for me!
It says you don't have a local grunt
so try:
npm install grunt
(without the -g
it's a local grunt
)
Though not directly related, make sure you have Gruntfile.js
in your current folder.
Your solution might be to add the original IP and/or hostname also:
ALLOWED_HOSTS = [
'localhost',
'127.0.0.1',
'111.222.333.444',
'mywebsite.com']
The condition to be satisfied is that the host header (or X-Forwarded-Host
if USE_X_FORWARDED_HOST
is enabled) should match one of the values in ALLOWED_HOSTS
.
$ gcc test.c -o testc $ file testc testc: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped $ ldd testc linux-vdso.so.1 => (0x00007fff227ff000) libc.so.6 => /lib64/libc.so.6 (0x000000391f000000) /lib64/ld-linux-x86-64.so.2 (0x000000391ec00000) $ gcc -m32 test.c -o testc $ file testc testc: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.9, not stripped $ ldd testc linux-gate.so.1 => (0x009aa000) libc.so.6 => /lib/libc.so.6 (0x00780000) /lib/ld-linux.so.2 (0x0075b000)
In short: use the -m32
flag to compile a 32-bit binary.
Also, make sure that you have the 32-bit versions of all required libraries installed (in my case all I needed on Fedora was glibc-devel.i386)
Declare a global var:
var td
Then select your guiena pig <td>
getting it by its id
, if you want to change all of them then
window.onload = function () {
td = document.getElementsByTagName("td");
}
Make a function to be triggered and a loop to change all of your desired td
's
function trigger() {
for(var x = 0; x < td.length; x++) {
td[x].className = "yournewclass";
}
}
Go to your CSS Sheet:
.yournewclass:hover { background-color: #00ff00; }
And that is it, with this you are able to to make all your <td>
tags get a background-color: #00ff00;
when hovered by changing its css propriety directly (switching between css classes).
Just drop the option v
.
-v
is for verbose. If you don't use it then it won't display:
tar -zxf tmp.tar.gz -C ~/tmp1
diawi.com has worked for me, no need for connecting iPhone with cable or etc.: just follow their "My Device" tab that will lead you to install their provision profile and then display the UDID and add option to send it by Email.
1.use db2 describe table
db2 describe table tabschema.tabname
2.use db2 describe output
db2 "describe select * from tabschema.tabname"
3.use db2look utility
db2look -d dbname -e -t tabname
4.find rows in db2 syscat
db2 "Select * from syscat.columns wher tabname='' and tabschema =''"
Instead of "right click"....start your session (once you're in the command prompt window) by keying Alt/SpaceBar. That will open the Command Prompt window menu and you'll see your familiar, underlined keyboard command shortcuts, just like in Windows GUI.
Good luck!
Looping over arrays and objects is a pretty common task, and it's good that you're wanting to learn how to do it. Generally speaking you can do a foreach
loop which cycles over each member, assigning it a new temporary name, and then lets you handle that particular member via that name:
foreach ($arr as $item) {
echo $item->sm_id;
}
In this example each of our values in the $arr
will be accessed in order as $item
. So we can print our values directly off of that. We could also include the index if we wanted:
foreach ($arr as $index => $item) {
echo "Item at index {$index} has sm_id value {$item->sm_id}";
}
For mobile application i did a solution by injecting javascript in the dialog view. There is a hidden web view in my ios app. That load the fb message send dialog api .. then i inject some javascript to set the "to" and "message" field and submit the form.. So that end user need not to do anything. Message sent to facebook inbox silently...
A simple dplyr based reordering of factors can solve this problem:
library(dplyr)
#reorder the table and reset the factor to that ordering
theTable %>%
group_by(Position) %>% # calculate the counts
summarize(counts = n()) %>%
arrange(-counts) %>% # sort by counts
mutate(Position = factor(Position, Position)) %>% # reset factor
ggplot(aes(x=Position, y=counts)) + # plot
geom_bar(stat="identity") # plot histogram
A Bcrypt hash can be stored in a BINARY(40)
column.
BINARY(60)
, as the other answers suggest, is the easiest and most natural choice, but if you want to maximize storage efficiency, you can save 20 bytes by losslessly deconstructing the hash. I've documented this more thoroughly on GitHub: https://github.com/ademarre/binary-mcf
Bcrypt hashes follow a structure referred to as modular crypt format (MCF). Binary MCF (BMCF) decodes these textual hash representations to a more compact binary structure. In the case of Bcrypt, the resulting binary hash is 40 bytes.
Gumbo did a nice job of explaining the four components of a Bcrypt MCF hash:
$<id>$<cost>$<salt><digest>
Decoding to BMCF goes like this:
$<id>$
can be represented in 3 bits.<cost>$
, 04-31, can be represented in 5 bits. Put these together for 1 byte.1 + 16 + 23
You can read more at the link above, or examine my PHP implementation, also on GitHub.
You can install the 32-bit version of JDK on a 64-bit machine. See JDK 7 downloads.
;(function() {
var redirect = false
if (navigator.userAgent.match(/iPhone/i)) {
redirect = true
}
if (navigator.userAgent.match(/iPod/i)) {
redirect = true
}
var isAndroid = /(android)/i.test(navigator.userAgent)
var isMobile = /(mobile)/i.test(navigator.userAgent)
if (isAndroid && isMobile) {
redirect = true
}
if (redirect) {
window.location.replace('jQueryMobileSite')
}
})()
In Visual Studio 2017 with a .NET Core console application do the following:
Right click on the Project in the Solution window, select "Properties", Debug (on the left side), and enter the arguments into the field "Application Arguments".
Note that they should be space-separated.
That's as easy as
IsNull(FieldName, 0)
Or more completely:
SELECT iar.Description,
ISNULL(iai.Quantity,0) as Quantity,
ISNULL(iai.Quantity * rpl.RegularPrice,0) as 'Retail',
iar.Compliance
FROM InventoryAdjustmentReason iar
LEFT OUTER JOIN InventoryAdjustmentItem iai on (iar.Id = iai.InventoryAdjustmentReasonId)
LEFT OUTER JOIN Item i on (i.Id = iai.ItemId)
LEFT OUTER JOIN ReportPriceLookup rpl on (rpl.SkuNumber = i.SkuNo)
WHERE iar.StoreUse = 'yes'
A simple way is to:
find the vectors connecting the point to each of the triangle's three vertices and sum the angles between those vectors. If the sum of the angles is 2*pi then the point is inside the triangle.
Two good sites that explain alternatives are:
To get the selected value of a spinner you can follow this example.
Create a nested class that implements AdapterView.OnItemSelectedListener. This will provide a callback method that will notify your application when an item has been selected from the Spinner.
Within "onItemSelected" method of that class, you can get the selected item:
public class YourItemSelectedListener implements OnItemSelectedListener {
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
String selected = parent.getItemAtPosition(pos).toString();
}
public void onNothingSelected(AdapterView parent) {
// Do nothing.
}
}
Finally, your ItemSelectedListener needs to be registered in the Spinner:
spinner.setOnItemSelectedListener(new MyOnItemSelectedListener());
.flexContainer {_x000D_
display: flex;_x000D_
}_x000D_
_x000D_
.inputField {_x000D_
flex: 1;_x000D_
}
_x000D_
<div class="flexContainer">_x000D_
<input type="password" class="inputField">_x000D_
<button type="submit"><img src="arrow.png" alt="Arrow Icon"></button>_x000D_
</div>
_x000D_
The command to just stream it to a new container (mp4) needed by some applications like Adobe Premiere Pro without encoding (fast) is:
ffmpeg -i input.mov -qscale 0 output.mp4
Alternative as mentioned in the comments, which re-encodes with best quaility (-qscale 0
):
ffmpeg -i input.mov -q:v 0 output.mp4
Maybe you want Underscore's any() or find(), which will stop processing when a condition is met.
Null in Java(tm)
In C and C++, "NULL" is a constant defined in a header file, with a value like:
0
or:
0L
or:
((void*)0)
depending on the compiler and memory model options. NULL is not, strictly speaking, part of C/C++ itself.
In Java(tm), "null" is not a keyword, but a special literal of the null type. It can be cast to any reference type, but not to any primitive type such as int or boolean. The null literal doesn't necessarily have value zero. And it is impossible to cast to the null type or declare a variable of this type.
Following Markus's answer, in newer versions of JS (ES6 I think) you can create a 'struct' factory more simply using Arrow Functions and Rest Parameter like so:
const Struct = (...keys) => ((...v) => keys.reduce((o, k, i) => {o[k] = v[i]; return o} , {}))
const Item = Struct('id', 'speaker', 'country')
var myItems = [
Item(1, 'john', 'au'),
Item(2, 'mary', 'us')
];
console.log(myItems);
console.log(myItems[0].id);
console.log(myItems[0].speaker);
console.log(myItems[0].country);
The result of running this is:
[ { id: 1, speaker: 'john', country: 'au' },
{ id: 2, speaker: 'mary', country: 'us' } ]
1
john
au
You can make it look similar to Python's namedtuple:
const NamedStruct = (name, ...keys) => ((...v) => keys.reduce((o, k, i) => {o[k] = v[i]; return o} , {_name: name}))
const Item = NamedStruct('Item', 'id', 'speaker', 'country')
var myItems = [
Item(1, 'john', 'au'),
Item(2, 'mary', 'us')
];
console.log(myItems);
console.log(myItems[0].id);
console.log(myItems[0].speaker);
console.log(myItems[0].country);
And the results:
[ { _name: 'Item', id: 1, speaker: 'john', country: 'au' },
{ _name: 'Item', id: 2, speaker: 'mary', country: 'us' } ]
1
john
au
To solve the problem do following:
First uninstall numpy
sudo pip uninstall numpy
Install numpy with --no-cache-dir option
sudo pip install --no-cache-dir numpy
And to specify any specific version e.g. 1.14.2
sudo pip install --no-cache-dir numpy==1.14.2
And escape your values with mysql_real_escape_string since PHP6 won't do that for you anymore! :)
I tried all answers here on Linux nothing worked for debugging on unrooted device API Level 23, so i found an Alternative for debugging From Developer Options -> Apps section -> check Do Not keep activities that way when ever you put the app in background it gets killed
P.S remember to uncheck it after you finished debugging
var div = document.getElementById( 'div_id' );
div.onmouseover = function() {
this.style.backgroundColor = 'green';
var h2s = this.getElementsByTagName( 'h2' );
h2s[0].style.backgroundColor = 'blue';
};
div.onmouseout = function() {
this.style.backgroundColor = 'transparent';
var h2s = this.getElementsByTagName( 'h2' );
h2s[0].style.backgroundColor = 'transparent';
};
There are several possible catches. I think that the most common error is in this part of the connection string:
res://xxx/yyy.csdl|res://xxx/yyy.ssdl|res://xxx/yyy.msl;
This is no magic. Once you understand what is stands for you'll get the connection string right.
First the xxx part. That's nothing else than an assembly name where you defined you EF context clas. Usually it would be something like MyProject.Data. Default value is * which stands for all loaded assemblies. It's always better to specify a particular assembly name.
Now the yyy part. That's a resource name in the xxx assembly. It will usually be something like a relative path to your .edmx file with dots instead of slashes. E.g. Models/Catalog - Models.Catalog The easiest way to get the correct string for your application is to build the xxx assembly. Then open the assembly dll file in a text editor (I prefer the Total Commander's default viewer) and search for ".csdl". Usually there won't be more than 1 occurence of that string.
Your final EF connection string may look like this:
res://MyProject.Data/Models.Catalog.DataContext.csdl|res://MyProject.Data/Models.Catalog.DataContext.ssdl|res://MyProject.Data/Models.Catalog.DataContext.msl;
I'm pretty sure it is technically impossible in SQL Server to have a True 1 to 1 relationship, as that would mean you would have to insert both records at the same time (otherwise you'd get a constraint error on insert), in both tables, with both tables having a foreign key relationship to each other.
That being said, your database design described with a foreign key is a 1 to 0..1 relationship. There is no constrain possible that would require a record in tableB. You can have a pseudo-relationship with a trigger that creates the record in tableB.
So there are a few pseudo-solutions
First, store all the data in a single table. Then you'll have no issues in EF.
Or Secondly, your entity must be smart enough to not allow an insert unless it has an associated record.
Or thirdly, and most likely, you have a problem you are trying to solve, and you are asking us why your solution doesn't work instead of the actual problem you are trying to solve (an XY Problem).
UPDATE
To explain in REALITY how 1 to 1 relationships don't work, I'll use the analogy of the Chicken or the egg dilemma. I don't intend to solve this dilemma, but if you were to have a constraint that says in order to add a an Egg to the Egg table, the relationship of the Chicken must exist, and the chicken must exist in the table, then you couldn't add an Egg to the Egg table. The opposite is also true. You cannot add a Chicken to the Chicken table without both the relationship to the Egg and the Egg existing in the Egg table. Thus no records can be every made, in a database without breaking one of the rules/constraints.
Database nomenclature of a one-to-one relationship is misleading. All relationships I've seen (there-fore my experience) would be more descriptive as one-to-(zero or one) relationships.
use base_url()
echo $baseurl=base_url();
if you need to pass url to a function then use site_url()
echo site_url('controller/function');
if you need the root path then FCPATH
..
echo FCPATH;
If you are using Postgres (and since we're in 2017 now) you might want to give their :money
column type a try.
add_column :products, :price, :money, default: 0
According to the IEEE754 • Standard for floating point storage • 32 and 64 bit standards (single precision and double precision) • 8 and 11 bit exponent respectively • Extended formats (both mantissa and exponent) for intermediate results
I strongly favour minimal file headers, by which I mean just:
#!
line) if this is an executable script import os # standard library
import sys
import requests # 3rd party packages
from mypackage import ( # local source
mymodule,
myothermodule,
)
ie. three groups of imports, with a single blank line between them. Within each group, imports are sorted. The final group, imports from local source, can either be absolute imports as shown, or explicit relative imports.
Everything else is a waste of time, visual space, and is actively misleading.
If you have legal disclaimers or licencing info, it goes into a separate file. It does not need to infect every source code file. Your copyright should be part of this. People should be able to find it in your LICENSE
file, not random source code.
Metadata such as authorship and dates is already maintained by your source control. There is no need to add a less-detailed, erroneous, and out-of-date version of the same info in the file itself.
I don't believe there is any other data that everyone needs to put into all their source files. You may have some particular requirement to do so, but such things apply, by definition, only to you. They have no place in “general headers recommended for everyone”.
Order Collection Limit :
$orderCollection = Mage::getResourceModel('sales/order_collection');
$orderCollection->getSelect()->limit(10);
foreach ($orderCollection->getItems() as $order) :
$orderModel = Mage::getModel('sales/order');
$order = $orderModel->load($order['entity_id']);
echo $order->getId().'<br>';
endforeach;
<pre><form name="myform" action="saveNew" method="post" enctype="multipart/form-data">
<input type="text" id="name" name="name" />
<input type="submit"/>
</form></pre>
<script language="JavaScript" type="text/javascript">
var frmvalidator = new Validator("myform");
frmvalidator.EnableFocusOnError(false);
frmvalidator.EnableMsgsTogether();
frmvalidator.addValidation("name","req","Plese Enter Name");
</script>
before using above code you have to add the gen_validatorv31.js js file
/^([A-Za-z0-9+\/]{4})*([A-Za-z0-9+\/]{4}|[A-Za-z0-9+\/]{3}=|[A-Za-z0-9+\/]{2}==)$/
this regular expression helped me identify the base64 in my application in rails, I only had one problem, it is that it recognizes the string "errorDescripcion", I generate an error, to solve it just validate the length of a string.
If you're already on EL 3.0 (Java EE 7; WildFly, Tomcat 8, GlassFish 4, etc), then you could use the new +=
operator for this:
<c:out value="${empty value ? 'none' : value += ' enabled'}" />
If you're however not on EL 3.0 yet, and the value
is a genuine java.lang.String
instance (and thus not e.g. java.lang.Long
), then use EL 2.2 (Java EE 7; JBoss AS 6/7, Tomcat 7, GlassFish 3, etc) capability of invoking direct methods with arguments, which you then apply on String#concat()
:
<c:out value="${empty value ? 'none' : value.concat(' enabled')}" />
Or if you're even not on EL 2.2 yet, then use JSTL <c:set>
to create a new EL variable with the concatenated values just inlined in value:
<c:set var="enabled" value="${value} enabled" />
<c:out value="${empty value ? 'none' : enabled}" />
As a side note, here is a better alternative to implement the same sorting:
alist.sort(key=lambda x: x.foo)
Or alternatively:
import operator
alist.sort(key=operator.attrgetter('foo'))
Check out the Sorting How To, it is very useful.
CGSize maximumLabelSize = CGSizeMake(label.frame.size.width, FLT_MAX);
CGSize expectedLabelSize = [label sizeThatFits:maximumLabelSize];
float heightUse = expectedLabelSize.height;
The accepted answer works for me only for the first 30 characters. This works for me:
select convert(varchar(max), convert(varbinary(max),myBlobColumn)) FROM table_name
For future reference Python is strongly typed. Unlike other dynamic languages, it will not automagically cast objects from one type or the other (say from str
to int
) so you must do this yourself. You'll like that in the long-run, trust me!
I don't know what qualifies as best but zxing has a qr code generator for java, is actively developed, and is liberally licensed.
opacity
applies to the whole element, so if you have a background, border or other effects on that element, those will also become transparent. If you only want the text to be transparent, use rgba
.
#foo {
color: #000; /* Fallback for older browsers */
color: rgba(0, 0, 0, 0.5);
font-size: 16pt;
font-family: Arial, sans-serif;
}
Also, steer far, far away from <font>
. We have CSS for that now.
Personally, I do the following:
session_start();
setcookie(session_name(), '', 100);
session_unset();
session_destroy();
$_SESSION = array();
That way, it kills the cookie, destroys all data stored internally, and destroys the current instance of the session information (which is ignored by session_destroy
).
dgv.Columns[0].HeaderText = "Your Header";
Oracle doesn't provide such IIF Function. Instead, try using one of the following alternatives:
SELECT DECODE(EMP_ID, 1, 'True', 'False') from Employee
SELECT CASE WHEN EMP_ID = 1 THEN 'True' ELSE 'False' END from Employee
com.nhaarman.mockitokotlin2.mock {}
This error occurs when, for example, we create a mock inside another mock
mock {
on { x() } doReturn mock {
on { y() } doReturn z()
}
}
The solution to this is to create the child mock in a variable and use the variable in the scope of the parent mock to prevent the mock creation from being explicitly nested.
val liveDataMock = mock {
on { y() } doReturn z()
}
mock {
on { x() } doReturn liveDataMock
}
GL
Something to add to this (which I would've added as a comment but the time of writing this post I'd not yet enough reputation)
Having multiple inits in the same package I've not yet found any guaranteed way to know what order in which they will be run. For example I have:
package config
- config.go
- router.go
Both config.go
and router.go
contain init()
functions, but when running router.go
's function ran first (which caused my app to panic).
If you're in a situation where you have multiple files, each with its own init()
function be very aware that you aren't guaranteed to get one before the other. It is better to use a variable assignment as OneToOne shows in his example. Best part is: This variable declaration will happen before ALL init()
functions in the package.
config.go:
var ConfigSuccess = configureApplication()
func init() {
doSomething()
}
func configureApplication() bool {
l4g.Info("Configuring application...")
if valid := loadCommandLineFlags(); !valid {
l4g.Critical("Failed to load Command Line Flags")
return false
}
return true
}
router.go:
func init() {
var (
rwd string
tmp string
ok bool
)
if metapath, ok := Config["fs"]["metapath"].(string); ok {
var err error
Conn, err = services.NewConnection(metapath + "/metadata.db")
if err != nil {
panic(err)
}
}
}
regardless of whether var ConfigSuccess = configureApplication()
exists in router.go
or config.go
, it will be run before EITHER init()
is run.
$('.date-picker').datepicker({
autoclose : true,
todayHighlight : true,
clearBtn: true,
format: 'yyyy-mm-dd',
onSelect: function(value, date) {
alert(123);
},
todayBtn: "linked",
startView: 0, maxViewMode: 0,minViewMode:0
}).on('changeDate',function(ev){
//this is right events ,trust me
}
});
Multiple attributes can be connected with an and
:
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
(use find_or_initialize_by
if you don't want to save the record right away)
Edit: The above method is deprecated in Rails 4. The new way to do it will be:
GroupMember.where(:member_id => 4, :group_id => 7).first_or_create
and
GroupMember.where(:member_id => 4, :group_id => 7).first_or_initialize
Edit 2: Not all of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
became
GroupMember.find_or_create_by(member_id: 4, group_id: 7)
HTML :
<div id="myDiv">
<form id="myForm">
</form>
</div>
jQuery :
var chbx='<input type="checkbox" id="Mumbai" name="Mumbai" value="Mumbai" />Mumbai<br /> <input type="checkbox" id=" Delhi" name=" Delhi" value=" Delhi" /> Delhi<br/><input type="checkbox" id=" Bangalore" name=" Bangalore" value=" Bangalore"/>Bangalore<br />';
$("#myDiv form#myForm").html(chbx);
//to insert dynamically created form
$("#myDiv").html("<form id='dynamicForm'>" +chbx + "'</form>");
I regularly use IntelliJ, PHPStorm and WebStorm. Would love to only use IntelliJ. As pointed out by the vendor the "Open Directory" functionality not being in IntelliJ is painful.
Now for the rub part; I have tried using IntelliJ as my single IDE and have found performance to be terrible compared to the lighter weight versions. Intellisense is almost useless in IntelliJ compared to WebStorm.
// TypeScript
const today = new Date();
const firstDayOfYear = new Date(today.getFullYear(), 0, 1);
// Explicitly convert Date to Number
const pastDaysOfYear = ( Number(today) - Number(firstDayOfYear) );
Mind you that in my experience and also of other (PHP - Why is new SQLSRV driver slower than the old mssql driver?) that using PDO_SQLSRV is way slower than through PDO_ODBC.
If you want to use the faster PDO_ODBC you can use:
//use any of these or check exact MSSQL ODBC drivername in "ODBC Data Source Administrator"
$mssqldriver = '{SQL Server}';
$mssqldriver = '{SQL Server Native Client 11.0}';
$mssqldriver = '{ODBC Driver 11 for SQL Server}';
$hostname='127.0.0.1';
$dbname='test';
$username='user';
$password='pw';
$dbDB = new PDO("odbc:Driver=$mssqldriver;Server=$hostname;Database=$dbname", $username, $password);
Even without pop
the list we can do with set_index
pd.DataFrame(table).T.set_index(0).T
Out[11]:
0 Heading1 Heading2
1 1 2
2 3 4
Update from_records
table = [['Heading1', 'Heading2'], [1 , 2], [3, 4]]
pd.DataFrame.from_records(table[1:],columns=table[0])
Out[58]:
Heading1 Heading2
0 1 2
1 3 4
Because os.path.abspath = os.path.dirname + os.path.basename
does not hold. we rather have
os.path.dirname(filename) + os.path.basename(filename) == filename
Both dirname()
and basename()
only split the passed filename into components without taking into account the current directory. If you want to also consider the current directory, you have to do so explicitly.
To get the dirname of the absolute path, use
os.path.dirname(os.path.abspath(__file__))
You need to pass --whitelisted-ips=
into chrome driver (not chrome!). If you use ChromeDriver locally/directly (not using RemoteWebDriver) from code, it shouldn't be your problem.
If you use it remotely (eg. selenium hub/grid) you need to set system property when node starts, like in command:
java -Dwebdriver.chrome.whitelistedIps= testClass etc...
or docker by passing JAVA_OPTS
env
chrome:
image: selenium/node-chrome:3.141.59
container_name: chrome
depends_on:
- selenium-hub
environment:
- HUB_HOST=selenium-hub
- HUB_PORT=4444
- JAVA_OPTS=-Dwebdriver.chrome.whitelistedIps=
Using UITextViewDelegate is the easiest way:
func textViewDidChange(_ textView: UITextView) {
textView.sizeToFit()
textviewHeight.constant = textView.contentSize.height
}
This way you can Create NSArray, NSMutableArray.
NSArray keys =[NSArray arrayWithObjects:@"key1",@"key2",@"key3",nil];
NSArray objects =[NSArray arrayWithObjects:@"value1",@"value2",@"value3",nil];
I used the following query to retrieve the information of constraints in the SQL Server 2012, and works perfectly. I hope it would be useful for you.
SELECT
tab.name AS [Table]
,tab.id AS [Table Id]
,constr.name AS [Constraint Name]
,constr.xtype AS [Constraint Type]
,CASE constr.xtype WHEN 'PK' THEN 'Primary Key' WHEN 'UQ' THEN 'Unique' ELSE '' END AS [Constraint Name]
,i.index_id AS [Index ID]
,ic.column_id AS [Column ID]
,clmns.name AS [Column Name]
,clmns.max_length AS [Column Max Length]
,clmns.precision AS [Column Precision]
,CASE WHEN clmns.is_nullable = 0 THEN 'NO' ELSE 'YES' END AS [Column Nullable]
,CASE WHEN clmns.is_identity = 0 THEN 'NO' ELSE 'YES' END AS [Column IS IDENTITY]
FROM SysObjects AS tab
INNER JOIN SysObjects AS constr ON(constr.parent_obj = tab.id AND constr.type = 'K')
INNER JOIN sys.indexes AS i ON( (i.index_id > 0 and i.is_hypothetical = 0) AND (i.object_id=tab.id) AND i.name = constr.name )
INNER JOIN sys.index_columns AS ic ON (ic.column_id > 0 and (ic.key_ordinal > 0 or ic.partition_ordinal = 0 or ic.is_included_column != 0))
AND (ic.index_id=CAST(i.index_id AS int)
AND ic.object_id=i.object_id)
INNER JOIN sys.columns AS clmns ON clmns.object_id = ic.object_id and clmns.column_id = ic.column_id
WHERE tab.xtype = 'U'
ORDER BY tab.name
I had this problem with Ubuntu 18.04 LTS and Mysql Server version 5.7.27-0ubuntu0.18.04.1 (Ubuntu).
My solution was (running as root with sudo -i
)
mysql <<-EOSQL
use mysql;
update user set plugin="mysql_native_password" where User='root';
FLUSH PRIVILEGES ;
EOSQL
mysqladmin -u root password new_pw
/*for reich text editor */
public options: Object = {
charCounterCount: true,
height: 300,
inlineMode: false,
toolbarFixed: false,
fontFamilySelection: true,
fontSizeSelection: true,
paragraphFormatSelection: true,
events: {
'froalaEditor.blur': (e, editor) => { this.handleContentChange(editor.html.get()); }}
You can handle this question with just two line coding:
_(flatArray).forEach(f=>
{f.nodes=_(flatArray).filter(g=>g.parentId==f.id).value();});
var resultArray=_(flatArray).filter(f=>f.parentId==null).value();
Test Online (see the browser console for created tree)
Requirements:
1- Install lodash 4 (a Javascript library for manipulating objects and collections with performant methods => like the Linq in c#) Lodash
2- A flatArray like below:
var flatArray=
[{
id:1,parentId:null,text:"parent1",nodes:[]
}
,{
id:2,parentId:null,text:"parent2",nodes:[]
}
,
{
id:3,parentId:1,text:"childId3Parent1",nodes:[]
}
,
{
id:4,parentId:1,text:"childId4Parent1",nodes:[]
}
,
{
id:5,parentId:2,text:"childId5Parent2",nodes:[]
}
,
{
id:6,parentId:2,text:"childId6Parent2",nodes:[]
}
,
{
id:7,parentId:3,text:"childId7Parent3",nodes:[]
}
,
{
id:8,parentId:5,text:"childId8Parent5",nodes:[]
}];
Thank Mr. Bakhshabadi
Good luck
I had a similar problem and google was sending me to this post. My solution was a bit different and less compact, but hopefully this can be useful to someone.
Showing your image with matplotlib.pyplot.imshow is generally a fast way to display 2D data. However this by default labels the axes with the pixel count. If the 2D data you are plotting corresponds to some uniform grid defined by arrays x and y, then you can use matplotlib.pyplot.xticks and matplotlib.pyplot.yticks to label the x and y axes using the values in those arrays. These will associate some labels, corresponding to the actual grid data, to the pixel counts on the axes. And doing this is much faster than using something like pcolor for example.
Here is an attempt at this with your data:
import matplotlib.pyplot as plt
# ... define 2D array hist as you did
plt.imshow(hist, cmap='Reds')
x = np.arange(80,122,2) # the grid to which your data corresponds
nx = x.shape[0]
no_labels = 7 # how many labels to see on axis x
step_x = int(nx / (no_labels - 1)) # step between consecutive labels
x_positions = np.arange(0,nx,step_x) # pixel count at label position
x_labels = x[::step_x] # labels you want to see
plt.xticks(x_positions, x_labels)
# in principle you can do the same for y, but it is not necessary in your case
std::vector<unsigned char> intToBytes(int value)
{
std::vector<unsigned char> result;
result.push_back(value >> 24);
result.push_back(value >> 16);
result.push_back(value >> 8);
result.push_back(value );
return result;
}
Suppose you want to create a vector x whose length is zero. Now let v be any vector.
> v<-c(4,7,8)
> v
[1] 4 7 8
> x<-v[0]
> length(x)
[1] 0
I recently found and modified this snippet from an existing SO post that I have not been able to find again but I've found it very useful
// specify any elements you've attached listeners to here
const nodes = [document]
// https://developer.mozilla.org/en-US/docs/Web/Events
const logBrowserEvents = () => {
const AllEvents = {
AnimationEvent: ['animationend', 'animationiteration', 'animationstart'],
AudioProcessingEvent: ['audioprocess'],
BeforeUnloadEvent: ['beforeunload'],
CompositionEvent: [
'compositionend',
'compositionstart',
'compositionupdate',
],
ClipboardEvent: ['copy', 'cut', 'paste'],
DeviceLightEvent: ['devicelight'],
DeviceMotionEvent: ['devicemotion'],
DeviceOrientationEvent: ['deviceorientation'],
DeviceProximityEvent: ['deviceproximity'],
DragEvent: [
'drag',
'dragend',
'dragenter',
'dragleave',
'dragover',
'dragstart',
'drop',
],
Event: [
'DOMContentLoaded',
'abort',
'afterprint',
'beforeprint',
'cached',
'canplay',
'canplaythrough',
'change',
'chargingchange',
'chargingtimechange',
'checking',
'close',
'dischargingtimechange',
'downloading',
'durationchange',
'emptied',
'ended',
'error',
'fullscreenchange',
'fullscreenerror',
'input',
'invalid',
'languagechange',
'levelchange',
'loadeddata',
'loadedmetadata',
'noupdate',
'obsolete',
'offline',
'online',
'open',
'open',
'orientationchange',
'pause',
'play',
'playing',
'pointerlockchange',
'pointerlockerror',
'ratechange',
'readystatechange',
'reset',
'seeked',
'seeking',
'stalled',
'submit',
'success',
'suspend',
'timeupdate',
'updateready',
'visibilitychange',
'volumechange',
'waiting',
],
FocusEvent: [
'DOMFocusIn',
'DOMFocusOut',
'Unimplemented',
'blur',
'focus',
'focusin',
'focusout',
],
GamepadEvent: ['gamepadconnected', 'gamepaddisconnected'],
HashChangeEvent: ['hashchange'],
KeyboardEvent: ['keydown', 'keypress', 'keyup'],
MessageEvent: ['message'],
MouseEvent: [
'click',
'contextmenu',
'dblclick',
'mousedown',
'mouseenter',
'mouseleave',
'mousemove',
'mouseout',
'mouseover',
'mouseup',
'show',
],
// https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Mutation_events
MutationNameEvent: ['DOMAttributeNameChanged', 'DOMElementNameChanged'],
MutationEvent: [
'DOMAttrModified',
'DOMCharacterDataModified',
'DOMNodeInserted',
'DOMNodeInsertedIntoDocument',
'DOMNodeRemoved',
'DOMNodeRemovedFromDocument',
'DOMSubtreeModified',
],
OfflineAudioCompletionEvent: ['complete'],
OtherEvent: ['blocked', 'complete', 'upgradeneeded', 'versionchange'],
UIEvent: [
'DOMActivate',
'abort',
'error',
'load',
'resize',
'scroll',
'select',
'unload',
],
PageTransitionEvent: ['pagehide', 'pageshow'],
PopStateEvent: ['popstate'],
ProgressEvent: [
'abort',
'error',
'load',
'loadend',
'loadstart',
'progress',
],
SensorEvent: ['compassneedscalibration', 'Unimplemented', 'userproximity'],
StorageEvent: ['storage'],
SVGEvent: [
'SVGAbort',
'SVGError',
'SVGLoad',
'SVGResize',
'SVGScroll',
'SVGUnload',
],
SVGZoomEvent: ['SVGZoom'],
TimeEvent: ['beginEvent', 'endEvent', 'repeatEvent'],
TouchEvent: [
'touchcancel',
'touchend',
'touchenter',
'touchleave',
'touchmove',
'touchstart',
],
TransitionEvent: ['transitionend'],
WheelEvent: ['wheel'],
}
const RecentlyLoggedDOMEventTypes = {}
Object.keys(AllEvents).forEach((DOMEvent) => {
const DOMEventTypes = AllEvents[DOMEvent]
if (Object.prototype.hasOwnProperty.call(AllEvents, DOMEvent)) {
DOMEventTypes.forEach((DOMEventType) => {
const DOMEventCategory = `${DOMEvent} ${DOMEventType}`
nodes.forEach((node) => {
node.addEventListener(
DOMEventType,
(e) => {
if (RecentlyLoggedDOMEventTypes[DOMEventCategory]) return
RecentlyLoggedDOMEventTypes[DOMEventCategory] = true
// NOTE: throttle continuous events
setTimeout(() => {
RecentlyLoggedDOMEventTypes[DOMEventCategory] = false
}, 1000)
const isActive = e.target === document.activeElement
// https://developer.mozilla.org/en-US/docs/Web/API/DocumentOrShadowRoot/activeElement
const hasActiveElement = document.activeElement !== document.body
const msg = [
DOMEventCategory,
'target:',
e.target,
...(hasActiveElement
? ['active:', document.activeElement]
: []),
]
if (isActive) {
console.info(...msg)
}
},
true,
)
})
})
}
})
}
logBrowserEvents()
// export default logBrowserEvents
Serialization is the conversion of an object to a series of bytes, so that the object can be easily saved to persistent storage or streamed across a communication link. The byte stream can then be deserialized - converted into a replica of the original object.
With text type of input you can use this for a better validation,
return (event.keyCode? (event.keyCode == 69 ? false : event.keyCode >= 48 && event.keyCode <= 57) : (event.charCode >= 48 && event.charCode <= 57))? true : event.preventDefault();
I create this program:
import pygame, sys, time, random, easygui
skier_images = ["skier_down.png", "skier_right1.png",
"skier_right2.png", "skier_left2.png",
"skier_left1.png"]
class SkierClass(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load("skier_down.png")
self.rect = self.image.get_rect()
self.rect.center = [320, 100]
self.angle = 0
def turn(self, direction):
self.angle = self.angle + direction
if self.angle < -2: self.angle = -2
if self.angle > 2: self.angle = 2
center = self.rect.center
self.image = pygame.image.load(skier_images[self.angle])
self.rect = self.image.get_rect()
self.rect.center = center
speed = [self.angle, 6 - abs(self.angle) * 2]
return speed
def move(self,speed):
self.rect.centerx = self.rect.centerx + speed[0]
if self.rect.centerx < 20: self.rect.centerx = 20
if self.rect.centerx > 620: self.rect.centerx = 620
class ObstacleClass(pygame.sprite.Sprite):
def __init__(self,image_file, location, type):
pygame.sprite.Sprite.__init__(self)
self.image_file = image_file
self.image = pygame.image.load(image_file)
self.location = location
self.rect = self.image.get_rect()
self.rect.center = location
self.type = type
self.passed = False
def scroll(self, t_ptr):
self.rect.centery = self.location[1] - t_ptr
def create_map(start, end):
obstacles = pygame.sprite.Group()
gates = pygame.sprite.Group()
locations = []
for i in range(10):
row = random.randint(start, end)
col = random.randint(0, 9)
location = [col * 64 + 20, row * 64 + 20]
if not (location in locations) :
locations.append(location)
type = random.choice(["tree", "flag"])
if type == "tree": img = "skier_tree.png"
elif type == "flag": img = "skier_flag.png"
obstacle = ObstacleClass(img, location, type)
obstacles.add(obstacle)
return obstacles
def animate():
screen.fill([255,255,255])
pygame.display.update(obstacles.draw(screen))
screen.blit(skier.image, skier.rect)
screen.blit(score_text, [10,10])
pygame.display.flip()
def updateObstacleGroup(map0, map1):
obstacles = pygame.sprite.Group()
for ob in map0: obstacles.add(ob)
for ob in map1: obstacles.add(ob)
return obstacles
pygame.init()
screen = pygame.display.set_mode([640,640])
clock = pygame.time.Clock()
skier = SkierClass()
speed = [0, 6]
map_position = 0
points = 0
map0 = create_map(20, 29)
map1 = create_map(10, 19)
activeMap = 0
obstacles = updateObstacleGroup(map0, map1)
font = pygame.font.Font(None, 50)
a = True
while a:
clock.tick(30)
for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
speed = skier.turn(-1)
elif event.key == pygame.K_RIGHT:
speed = skier.turn(1)
skier.move(speed)
map_position += speed[1]
if map_position >= 640 and activeMap == 0:
activeMap = 1
map0 = create_map(20, 29)
obstacles = updateObstacleGroup(map0, map1)
if map_position >=1280 and activeMap == 1:
activeMap = 0
for ob in map0:
ob.location[1] = ob.location[1] - 1280
map_position = map_position - 1280
map1 = create_map(10, 19)
obstacles = updateObstacleGroup(map0, map1)
for obstacle in obstacles:
obstacle.scroll(map_position)
hit = pygame.sprite.spritecollide(skier, obstacles, False)
if hit:
if hit[0].type == "tree" and not hit[0].passed:
skier.image = pygame.image.load("skier_crash.png")
easygui.msgbox(msg="OOPS!!!")
choice = easygui.buttonbox("Do you want to play again?", "Play", ("Yes", "No"))
if choice == "Yes":
skier = SkierClass()
speed = [0, 6]
map_position = 0
points = 0
map0 = create_map(20, 29)
map1 = create_map(10, 19)
activeMap = 0
obstacles = updateObstacleGroup(map0, map1)
elif choice == "No":
a = False
quit()
elif hit[0].type == "flag" and not hit[0].passed:
points += 10
obstacles.remove(hit[0])
score_text = font.render("Score: " + str(points), 1, (0, 0, 0))
animate()
Link: https://docs.google.com/document/d/1U8JhesA6zFE5cG1Ia3OsTL6dseq0Vwv_vuIr3kqJm4c/edit
This works for me
created a package called logger.go
package logger
import (
"flag"
"os"
"log"
"go/build"
)
var (
Log *log.Logger
)
func init() {
// set location of log file
var logpath = build.Default.GOPATH + "/src/chat/logger/info.log"
flag.Parse()
var file, err1 = os.Create(logpath)
if err1 != nil {
panic(err1)
}
Log = log.New(file, "", log.LstdFlags|log.Lshortfile)
Log.Println("LogFile : " + logpath)
}
import the package wherever you want to log e.g main.go
package main
import (
"logger"
)
const (
VERSION = "0.13"
)
func main() {
// time to use our logger, print version, processID and number of running process
logger.Log.Printf("Server v%s pid=%d started with processes: %d", VERSION, os.Getpid(),runtime.GOMAXPROCS(runtime.NumCPU()))
}