You can try the following one because it also validates number, null, string but the above-marked answer is not working correctly it's just a fix of the above function:
function isJson(str) {
try {
const obj = JSON.parse(str);
if (obj && typeof obj === `object`) {
return true;
}
} catch (err) {
return false;
}
return false;
}
I was able to use nginx to handle the 301 redirect to the aws signin page.
Go to your nginx conf folder (in my case it's /etc/nginx/sites-available
in which I create a symlink to /etc/nginx/sites-enabled
for the enabled conf files).
Then add a redirect path
server {
listen 80;
server_name aws.example.com;
return 301 https://myaccount.signin.aws.amazon.com/console;
}
If you are using nginx, you will most likely have additional server blocks (virtualhosts in apache terminology) to handle your zone apex (example.com) or however you have it setup. Make sure that you have one of them set to be your default server.
server {
listen 80 default_server;
server_name example.com;
# rest of config ...
}
In Route 53, add an A record
for aws.example.com
and set the value to the same IP used for your zone apex.
Have you tried val?
$("textarea#ExampleMessage").val(result.exampleMessage);
This is a basic sample of how to create an Alert Dialog :
AlertDialog.Builder dialog = new AlertDialog.Builder(MainActivity.this);
dialog.setCancelable(false);
dialog.setTitle("Dialog on Android");
dialog.setMessage("Are you sure you want to delete this entry?" );
dialog.setPositiveButton("Delete", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
//Action for "Delete".
}
})
.setNegativeButton("Cancel ", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//Action for "Cancel".
}
});
final AlertDialog alert = dialog.create();
alert.show();
while true ; do
...
if [ something ]; then
break
fi
done
Caveat: I'm running Ubuntu
sudo service --status-all
you can get a list of all running services by typing this command,
If you're running Tomcat as a service it will showes up as ("tomcat"), so run :
sudo service tomcat7 stop
(tomcat7 or 8 or depending to the name that you have in the list of running services )
else and if you are using apache tomcat you will see ("apache2") showing up with the list of services then run :
sudo service apache2 stop
I've done something a bit different. Not the best, but it works for me. Maybe it could be "genericized".
private static final Object[][] ENTRIES =
{
{new Integer(1), "one"},
{new Integer(2), "two"},
};
private static final Map myMap = newMap(ENTRIES);
private static Map newMap(Object[][] entries)
{
Map map = new HashMap();
for (int x = 0; x < entries.length; x++)
{
Object[] entry = entries[x];
map.put(entry[0], entry[1]);
}
return map;
}
GitHub help page for this issue: https://help.github.com/articles/updating-credentials-from-the-osx-keychain/
There are many examples of smooth scrolling using JS libraries like jQuery, Mootools, Prototype, etc.
The following example is on pure JavaScript. If you have no jQuery/Mootools/Prototype on page or you don't want to overload page with heavy JS libraries the example will be of help.
HTML Part:
<div class="first"><button type="button" onclick="smoothScroll(document.getElementById('second'))">Click Me!</button></div>
<div class="second" id="second">Hi</div>
CSS Part:
.first {
width: 100%;
height: 1000px;
background: #ccc;
}
.second {
width: 100%;
height: 1000px;
background: #999;
}
JS Part:
window.smoothScroll = function(target) {
var scrollContainer = target;
do { //find scroll container
scrollContainer = scrollContainer.parentNode;
if (!scrollContainer) return;
scrollContainer.scrollTop += 1;
} while (scrollContainer.scrollTop == 0);
var targetY = 0;
do { //find the top of target relatively to the container
if (target == scrollContainer) break;
targetY += target.offsetTop;
} while (target = target.offsetParent);
scroll = function(c, a, b, i) {
i++; if (i > 30) return;
c.scrollTop = a + (b - a) / 30 * i;
setTimeout(function(){ scroll(c, a, b, i); }, 20);
}
// start scrolling
scroll(scrollContainer, scrollContainer.scrollTop, targetY, 0);
}
I'm using Spring STS plugin and a Spring webmvc template project. I had to install the Maven m2e plugin first: http://www.eclipse.org/m2e/
And then clean the project. Under Project -> Clean...
What if you compile it using another machine? A fresh installed one would be lovely. I hope your machine is not jealous.
As already mentioned in other answers, use BufferedInputStreams.
After that, I guess the buffer size does not really matter. Either the program is I/O bound, and growing buffer size over BIS default, will not make any big impact on performance.
Or the program is CPU bound inside the MessageDigest.update(), and majority of the time is not spent in the application code, so tweaking it will not help.
(Hmm... with multiple cores, threads might help.)
package Test1;
public class AbstractClassConstructor {
public AbstractClassConstructor() {
}
public static void main(String args[]) {
Demo obj = new Test("Test of code has started");
obj.test1();
}
}
abstract class Demo{
protected final String demoValue;
public Demo(String testName){
this.demoValue = testName;
}
public abstract boolean test1();
}
class Test extends Demo{
public Test(String name){
super(name);
}
@Override
public boolean test1() {
System.out.println( this.demoValue + " Demo test started");
return true;
}
}
On linux, find dblink.sql, then execute in the postgresql console something like this to create all required functions:
\i /usr/share/postgresql/8.4/contrib/dblink.sql
you might need to install the contrib packages: sudo apt-get install postgresql-contrib
For what it's worth, from my IE9 testing, it looks like there's a difference for URLs that contain a hashbang (a single page app, in my case):
http://www.example.com#page
The driver.get("http://www.example.com#anotherpage")
method is handled by the browser as a fragment identifier and JavaScript variables are retained from the previous URL.
While, the navigate().to("http://www.example.com#anotherpage")
method is handled by the browser as a address/location/URL bar input and JavaScript variables are not retained from the previous URL.
I think you should define your origins
for client side as bellow:
//server.js_x000D_
const socket = require('socket.io');_x000D_
const app = require('express')();_x000D_
const server = app.listen('port');_x000D_
_x000D_
const io = socket().attach(server);_x000D_
io.origins("your_domain:port www.your_domain:port your_IP:port your_domain:*")_x000D_
_x000D_
io.on('connection', (socket) => {_x000D_
console.log('connected a new client');_x000D_
});_x000D_
_x000D_
//client.js_x000D_
var socket = io('ws://:port');
_x000D_
I guess this may work, in Eclipse select your project ? then click on project menu bar on top ? goto to properties ? click on Targeted Runtimes ? now you must select a check box next to the server you are using to run current project ? click Apply ? then click OK button. That's it, give a try.
unnest
can be used as well.
It expands array to a set of rows and then simply checking a value exists or not is as simple as using IN
or NOT IN
.
e.g.
id => uuid
exception_list_ids => uuid[]
select * from table where id NOT IN (select unnest(exception_list_ids) from table2)
So there's loads of posts on the web that show how to do this, I've found 3 ways, same as pointed out by Johan & Sjoerd. I couldn't get any of these queries to work, well obviously they work fine it's my database that's not working correctly and those queries all ran slow.
So I worked out another way that someone else may find useful:
The basic jist of it is to create a temporary table and fill it with all the information, then remove all the rows that ARE in the other table.
So I did these 3 queries, and it ran quickly (in a couple moments).
CREATE TEMPORARY TABLE
`database1`.`newRows`
SELECT
`t1`.`id` AS `columnID`
FROM
`database2`.`table` AS `t1`
.
CREATE INDEX `columnID` ON `database1`.`newRows`(`columnID`)
.
DELETE FROM `database1`.`newRows`
WHERE
EXISTS(
SELECT `columnID` FROM `database1`.`product_details` WHERE `columnID`=`database1`.`newRows`.`columnID`
)
I like this:
if (wlocation !== undefined)
But if you prefer the second way wouldn't be as you posted. It would be:
if (typeof wlocation !== "undefined")
Suppose if I have GetAllEmployees.cshtml
<h2>GetAllEmployees</h2>
<p>
<a asp-action="Create">Create New</a>
</p>
<table class="table">
<thead>
// do something ...
</thead>
<tbody>
// do something ...
</tbody>
</table>
//Added my custom scripts in the scripts sections
@section Scripts
{
<script src="~/js/customScripts.js"></script>
}
And another view "GetEmployeeDetails.cshtml" with no scripts
<h2>GetEmployeeByDetails</h2>
@Model.PageTitle
<p>
<a asp-action="Create">Create New</a>
</p>
<table class="table">
<thead>
// do something ...
</thead>
<tbody>
// do something ...
</tbody>
</table>
And my layout page "_layout.cshtml"
@RenderSection("Scripts", required: true)
So, when I navigate to GetEmployeeDetails.cshtml. I get the error that there is no section scripts to be rendered in GetEmployeeDetails.cshtml.
If I change the flag in @RenderSection()
from required : true
to ``required : false`. It means render the scripts defined in the @section scripts of the views if present.Else, do nothing.
And the refined approach would be in _layout.cshtml
@if (IsSectionDefined("Scripts"))
{
@RenderSection("Scripts", required: true)
}
Like the following. It will make the user database owner.
EXEC sp_addrolemember N'db_owner', N'USerNAme'
try this:
#/usr/bin/env python
import os, sys, atexit
try:
# Set PID file
def set_pid_file():
pid = str(os.getpid())
f = open('myCode.pid', 'w')
f.write(pid)
f.close()
def goodby():
pid = str('myCode.pid')
os.remove(pid)
atexit.register(goodby)
set_pid_file()
# Place your code here
except KeyboardInterrupt:
sys.exit(0)
Use screen: Start screen
, start your script, press Ctrl+A, D. Reattach with screen -r
.
Make a script that takes your "1" as a parameter, run nohup yourscript
:
#!/bin/bash
(time bash executeScript $1 input fileOutput $> scrOutput) &> timeUse.txt
cd /path/to/directories &&
find . -type d -exec mkdir -p -- /path/to/backup/{} \;
I managed to condense it into two lines of code:
string = input("Enter your string\n")
print(len(string) - string.count(" "))
very simple go for this
$str;
foreach ($arrays as $arr) {
$str .= $arr["tag_name"] . ",";
}
$str = trim($str, ',');//removes the final comma
C++ does not have the for_each
loop feature in its syntax. You have to use c++11 or use the template function std::for_each
.
struct Function {
int input;
Function(int input): input(input) {}
void operator()(Attack& attack) {
if(attack->m_num == input) attack->makeDamage();
}
};
Function f(input);
std::for_each(m_attack.begin(), m_attack.end(), f);
You need to go one level deeper in what you are retrieving.
Dim tbl As ListObject
Set tbl = ActiveSheet.ListObjects("MyTable")
MsgBox tbl.Range.Rows.Count
MsgBox tbl.HeaderRowRange.Rows.Count
MsgBox tbl.DataBodyRange.Rows.Count
Set tbl = Nothing
More information at:
ListObject Interface
ListObject.Range Property
ListObject.DataBodyRange Property
ListObject.HeaderRowRange Property
Use xpath selector (here's quick tutorial) instead of id:
#python:
from selenium.webdriver import Firefox
YOUR_PAGE_URL = 'http://mypage.com/'
NEXT_BUTTON_XPATH = '//input[@type="submit" and @title="next"]'
browser = Firefox()
browser.get(YOUR_PAGE_URL)
button = browser.find_element_by_xpath(NEXT_BUTTON_XPATH)
button.click()
Or, if you use "vanilla" Selenium, just use same xpath selector instead of button id:
NEXT_BUTTON_XPATH = '//input[@type="submit" and @title="next"]'
selenium.click(NEXT_BUTTON_XPATH)
' Create an HTTP object
myURL = "http://www.google.com"
Set objHTTP = CreateObject( "WinHttp.WinHttpRequest.5.1" )
' Download the specified URL
objHTTP.Open "GET", myURL, False
objHTTP.Send
intStatus = objHTTP.Status
If intStatus = 200 Then
WScript.Echo " " & intStatus & " A OK " +myURL
Else
WScript.Echo "OOPS" +myURL
End If
then
C:\>cscript geturl.vbs
Microsoft (R) Windows Script Host Version 5.7
Copyright (C) Microsoft Corporation. All rights reserved.
200 A OK http://www.google.com
or just double click it to test in windows
For IE, how about using a CSS expression:
<style type="text/css">
table td {
h: expression(this.style.border = (this == this.parentNode.lastChild ? 'none' : '1px solid #000' ) );
}
</style>
use getBoundingClientRect
if $el
is the actual DOM object:
var top = $el.getBoundingClientRect().top;
Fiddle will show that this will get the same value that jquery's offset top will give you
Edit: as mentioned in comments this does not account for scrolled content, below is the code that jQuery uses
https://github.com/jquery/jquery/blob/master/src/offset.js (5/13/2015)
offset: function( options ) {
//...
var docElem, win, rect, doc,
elem = this[ 0 ];
if ( !elem ) {
return;
}
rect = elem.getBoundingClientRect();
// Make sure element is not hidden (display: none) or disconnected
if ( rect.width || rect.height || elem.getClientRects().length ) {
doc = elem.ownerDocument;
win = getWindow( doc );
docElem = doc.documentElement;
return {
top: rect.top + win.pageYOffset - docElem.clientTop,
left: rect.left + win.pageXOffset - docElem.clientLeft
};
}
}
took the challenge to solve this issue. comment number 5 (M.Ali) asked for --"The required answer is 97.36 % (not 0.97 %) .." so for that i'm attaching a photo who compare between post number 3 (sqluser) to my solution. (i'm using the postgre_sql on a mac)
Use numpy.concatenate(list1 , list2)
or numpy.append()
Look into the thread at Append a NumPy array to a NumPy array.
Use the "+" symbol to cast a string to a number.
window.location.hash = +page_number;
To read characters try
scan("/PathTo/file.csv", "")
If you're reading numeric values, then just use
scan("/PathTo/file.csv")
scan
by default will use white space as separator. The type of the second arg defines 'what' to read (defaults to double()).
It makes no sense to return values from a callback. Instead, do the "foo()" work you want to do inside your callback.
Asynchronous callbacks are invoked by the browser or by some framework like the Google geocoding library when events happen. There's no place for returned values to go. A callback function can return a value, in other words, but the code that calls the function won't pay attention to the return value.
if (capital.touched && capital != undefined && capital.length < 1 ) {
//capital does exists
}
If we have fewer number of reports which are less complex and consumed by asp.net web pages. It's better to go with rdlc,reason is we can avoid maintaing reports on RS instance. but we have to fetch the data from DB manually and bind it to rdlc.
Cons:designing rdlc in visual studio is little difficult compared to SSrs designer.
Pro:Maintenance is easy. while exporting the report from we page,observed that performance gain compared to server side reports.
another option would be to give the span display:table;
and center it via margin:0 auto;
span {
display:table;
margin:0 auto;
}
I've just solved a problem related to this which may help other people.
Initially when loading up MSSMSE it had the server as PC_NAME\SQLEXPRESS
and when I tried to connect it gave me Error: 26 - Error Locating Server/Instance Specified
, so I went into SQL Server Configuration Manager to check if my SQL Server Browser
and SQL Server
services were running and set to automatic, only to find that instead of saying SQL Server (SQLEXPRESS)
it says SQL Server(MSSQLSERVER)
.
I then tried connecting to PC-NAME\MSSQLSERVER
and this time got SQL Network Interfaces, error: 25 - Connection string is not valid) (MicrosoftSQL Server, Error: 87) The parameter is incorrect
so I googled this error and found that somebody had suggested that instead of using PC-NAME\MSSQLSERVER
just use PC-NAME
as the Server Name at the server connection interface, and this seems to work.
There's a link here http://learningsqlserver.wordpress.com/2011/01/21/what-version-of-sql-server-do-i-have/ which explains that MSSQLSERVER is the default instance and can be connected to by using just your hostname.
I think this may have arisen because I've had SQL Server 2008 installed at some point in the past.
I use this function as a parameter to the PHP filter_var
function.
yyyy-mm-dd hh:mm:ss
formatfunction filter_mydate($s) {
if (preg_match('@^(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d):(\d\d)$@', $s, $m) == false) {
return false;
}
if (checkdate($m[2], $m[3], $m[1]) == false || $m[4] >= 24 || $m[5] >= 60 || $m[6] >= 60) {
return false;
}
return $s;
}
It sounds like you're looking for applicationHost.config
, which is located in C:\Windows\System32\inetsrv\config
.
Yes, it's an XML file, and yes, editing the file by hand will affect the IIS config after a restart. You can think of IIS Manager as a GUI front-end for editing applicationHost.config
and web.config
.
How about
sub foo()
dim r As Range, rows As Long, i As Long
Set r = ActiveSheet.Range("A1:Z50")
rows = r.rows.Count
For i = rows To 1 Step (-1)
If WorksheetFunction.CountA(r.rows(i)) = 0 Then r.rows(i).Delete
Next
End Sub
Try this
Option Explicit
Sub Sample()
Dim i As Long
Dim DelRange As Range
On Error GoTo Whoa
Application.ScreenUpdating = False
For i = 1 To 50
If Application.WorksheetFunction.CountA(Range("A" & i & ":" & "Z" & i)) = 0 Then
If DelRange Is Nothing Then
Set DelRange = Range("A" & i & ":" & "Z" & i)
Else
Set DelRange = Union(DelRange, Range("A" & i & ":" & "Z" & i))
End If
End If
Next i
If Not DelRange Is Nothing Then DelRange.Delete shift:=xlUp
LetsContinue:
Application.ScreenUpdating = True
Exit Sub
Whoa:
MsgBox Err.Description
Resume LetsContinue
End Sub
IF you want to delete the entire row then use this code
Option Explicit
Sub Sample()
Dim i As Long
Dim DelRange As Range
On Error GoTo Whoa
Application.ScreenUpdating = False
For i = 1 To 50
If Application.WorksheetFunction.CountA(Range("A" & i & ":" & "Z" & i)) = 0 Then
If DelRange Is Nothing Then
Set DelRange = Rows(i)
Else
Set DelRange = Union(DelRange, Rows(i))
End If
End If
Next i
If Not DelRange Is Nothing Then DelRange.Delete shift:=xlUp
LetsContinue:
Application.ScreenUpdating = True
Exit Sub
Whoa:
MsgBox Err.Description
Resume LetsContinue
End Sub
First solution
Avoid System.IO.File.Move
solutions posted here (marked answer included).
It fails over networks. However, copy/delete pattern works locally and over networks. Follow one of the move solutions, but replace it with Copy instead. Then use File.Delete to delete the original file.
You can create a Rename method to simplify it.
Ease of use
Use the VB assembly in C#. Add reference to Microsoft.VisualBasic
Then to rename the file:
Microsoft.VisualBasic.FileIO.FileSystem.RenameFile(myfile, newName);
Both are strings. Note that myfile has the full path. newName does not. For example:
a = "C:\whatever\a.txt";
b = "b.txt";
Microsoft.VisualBasic.FileIO.FileSystem.RenameFile(a, b);
The C:\whatever\
folder will now contain b.txt
.
I think the best library is : https://github.com/chrisbanes/Android-PullToRefresh.
Works with:
ListView
ExpandableListView
GridView
WebView
ScrollView
HorizontalScrollView
ViewPager
similar to @python-starter solution. But, commands package is not avilable on python3.x. So Alternative solution is to use subprocess in python3.x
import subprocess
cmd = "hive -S -e 'SELECT * FROM db_name.table_name LIMIT 1;' "
status, output = subprocess.getstatusoutput(cmd)
if status == 0:
print(output)
else:
print("error")
var isOldTitle = true;_x000D_
var oldTitle = document.title;_x000D_
var newTitle = "New Title";_x000D_
var interval = null;_x000D_
function changeTitle() {_x000D_
document.title = isOldTitle ? oldTitle : newTitle;_x000D_
isOldTitle = !isOldTitle;_x000D_
}_x000D_
interval = setInterval(changeTitle, 700);_x000D_
_x000D_
$(window).focus(function () {_x000D_
clearInterval(interval);_x000D_
$("title").text(oldTitle);_x000D_
});
_x000D_
.text is correct, the following code works for me:
$('#lb'+(n+1)).text(a[i].attributes[n].name+": "+ a[i].attributes[n].value);
To refresh page you don't need react-router, simple js:
window.location.reload();
To re-render view in React component, you can just fire update with props/state.
Include <%@ page isELIgnored="false"%>
on top of your jsp page.
I've been running this bit of code with success
declare @UnicodeData table (
data nvarchar(500)
)
insert into
@UnicodeData
values
(N'Horse?')
,(N'Dog')
,(N'Cat')
select
data
from
@UnicodeData
where
data collate LATIN1_GENERAL_BIN != cast(data as varchar(max))
Which works well for known columns.
For extra credit, I wrote this quick script to search all nvarchar columns in a given table for Unicode characters.
declare
@sql varchar(max) = ''
,@table sysname = 'mytable' -- enter your table here
;with ColumnData as (
select
RowId = row_number() over (order by c.COLUMN_NAME)
,c.COLUMN_NAME
,ColumnName = '[' + c.COLUMN_NAME + ']'
,TableName = '[' + c.TABLE_SCHEMA + '].[' + c.TABLE_NAME + ']'
from
INFORMATION_SCHEMA.COLUMNS c
where
c.DATA_TYPE = 'nvarchar'
and c.TABLE_NAME = @table
)
select
@sql = @sql + 'select FieldName = ''' + c.ColumnName + ''', InvalidCharacter = [' + c.COLUMN_NAME + '] from ' + c.TableName + ' where ' + c.ColumnName + ' collate LATIN1_GENERAL_BIN != cast(' + c.ColumnName + ' as varchar(max)) ' + case when c.RowId <> (select max(RowId) from ColumnData) then ' union all ' else '' end + char(13)
from
ColumnData c
-- check
-- print @sql
exec (@sql)
I'm not a fan of dynamic SQL but it does have its uses for exploratory queries like this.
The answer probably depends on what format your date is in, but here is an example using the Date
class:
dt <- as.Date("2010/02/10")
new.dt <- dt - as.difftime(2, unit="days")
You can even play with different units like weeks.
After trying almost every key on my keyboard:
C:\Users\Tim>cd ^
Mehr? Desktop
C:\Users\Tim\Desktop>
So it seems to be the ^ key.
This is how you can achieve your desired setup with Bootstrap 3:
<div class="container-fluid">
<div class="row"> <!-- Give this div your desired background color -->
<div class="container">
<div class="row">
<div class="col-md-12">
... your content here ...
</div>
</div>
</div>
</div>
</div>
The container-fluid
part makes sure that you can change the background over the full width. The container
part makes sure that your content is still wrapped in a fixed width.
This approach works, but personally I don't like all the nesting. However, I haven't found a better solution so far.
DECIMAL(18,0)
will allow 0 digits after the decimal point.
Use something like DECIMAL(18,4)
instead that should do just fine!
That gives you a total of 18 digits, 4 of which after the decimal point (and 14 before the decimal point).
Not really a direct answer, but I'd highly recommend using LINQPad for this kind of "exploratory" C# programming.
I have the following as a saved "query" in LINQPad:
var p = new System.Diagnostics.Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.Arguments = "/c echo Foo && echo Bar";
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.StandardOutput.ReadToEnd().Dump();
Feel free to adapt as needed.
You can extract all the information from the DbEntityValidationException
with the following code (you need to add the namespaces: System.Data.Entity.Validation
and System.Diagnostics
to your using
list):
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}",
validationError.PropertyName,
validationError.ErrorMessage);
}
}
}
Use numpy.dot
or a.dot(b)
. See the documentation here.
>>> a = np.array([[ 5, 1 ,3],
[ 1, 1 ,1],
[ 1, 2 ,1]])
>>> b = np.array([1, 2, 3])
>>> print a.dot(b)
array([16, 6, 8])
This occurs because numpy arrays are not matrices, and the standard operations *, +, -, /
work element-wise on arrays. Instead, you could try using numpy.matrix
, and *
will be treated like matrix multiplication.
Also know there are other options:
As noted below, if using python3.5+ the @
operator works as you'd expect:
>>> print(a @ b)
array([16, 6, 8])
If you want overkill, you can use numpy.einsum
. The documentation will give you a flavor for how it works, but honestly, I didn't fully understand how to use it until reading this answer and just playing around with it on my own.
>>> np.einsum('ji,i->j', a, b)
array([16, 6, 8])
As of mid 2016 (numpy 1.10.1), you can try the experimental numpy.matmul
, which works like numpy.dot
with two major exceptions: no scalar multiplication but it works with stacks of matrices.
>>> np.matmul(a, b)
array([16, 6, 8])
numpy.inner
functions the same way as numpy.dot
for matrix-vector multiplication but behaves differently for matrix-matrix and tensor multiplication (see Wikipedia regarding the differences between the inner product and dot product in general or see this SO answer regarding numpy's implementations).
>>> np.inner(a, b)
array([16, 6, 8])
# Beware using for matrix-matrix multiplication though!
>>> b = a.T
>>> np.dot(a, b)
array([[35, 9, 10],
[ 9, 3, 4],
[10, 4, 6]])
>>> np.inner(a, b)
array([[29, 12, 19],
[ 7, 4, 5],
[ 8, 5, 6]])
If you have tensors (arrays of dimension greater than or equal to one), you can use numpy.tensordot
with the optional argument axes=1
:
>>> np.tensordot(a, b, axes=1)
array([16, 6, 8])
Don't use numpy.vdot
if you have a matrix of complex numbers, as the matrix will be flattened to a 1D array, then it will try to find the complex conjugate dot product between your flattened matrix and vector (which will fail due to a size mismatch n*m
vs n
).
OSX users can follow by Nicolay77 or mikkom that uses the mdbtools utility. You can install it via Homebrew. Just have your homebrew installed and then go
$ homebrew install mdbtools
Then create one of the scripts described by the guys and use it. I've used mikkom's one, converted all my mdb files into sql.
$ ./to_mysql.sh myfile.mdb > myfile.sql
(which btw contains more than 1 table)
pip list
shows ALL installed packages.
pip freeze
shows packages YOU installed via pip
(or pipenv
if using that tool) command in a requirements format.
Remark below that setuptools, pip, wheel are installed when pipenv shell
creates my virtual envelope. These packages were NOT installed by me using pip
:
test1 % pipenv shell
Creating a virtualenv for this project…
Pipfile: /Users/terrence/Development/Python/Projects/test1/Pipfile
Using /usr/local/Cellar/pipenv/2018.11.26_3/libexec/bin/python3.8 (3.8.1) to create virtualenv…
? Creating virtual environment...
<SNIP>
Installing setuptools, pip, wheel...
done.
? Successfully created virtual environment!
<SNIP>
Now review & compare the output of the respective commands where I've only installed cool-lib and sampleproject (of which peppercorn is a dependency):
test1 % pip freeze <== Packages I'VE installed w/ pip
-e git+https://github.com/gdamjan/hello-world-python-package.git@10<snip>71#egg=cool_lib
peppercorn==0.6
sampleproject==1.3.1
test1 % pip list <== All packages, incl. ones I've NOT installed w/ pip
Package Version Location
------------- ------- --------------------------------------------------------------------------
cool-lib 0.1 /Users/terrence/.local/share/virtualenvs/test1-y2Zgz1D2/src/cool-lib <== Installed w/ `pip` command
peppercorn 0.6 <== Dependency of "sampleproject"
pip 20.0.2
sampleproject 1.3.1 <== Installed w/ `pip` command
setuptools 45.1.0
wheel 0.34.2
EDIT: Amended by answer to replace just the first and last '\' character.
System.err.println("\\joe\\jill\\".replaceAll("^\\\\|\\\\$", ""));
After updating to El Capitan, /usr/local
has root:wheel
rights.
Change the rights back to the user using:
sudo chown -R $(whoami):admin /usr/local
and:
brew doctor && brew update
This helped me to get Homebrew working again.
Based on @SvenMarnach 's Answer, but bit simpler and without using deque
>>> def skip(iterable, at_start=0, at_end=0):
it = iter(iterable)
it = itertools.islice(it, at_start, None)
it, it1 = itertools.tee(it)
it1 = itertools.islice(it1, at_end, None)
return (next(it) for _ in it1)
>>> list(skip(range(10), at_start=2, at_end=2))
[2, 3, 4, 5, 6, 7]
>>> list(skip(range(10), at_start=2, at_end=5))
[2, 3, 4]
Also Note, based on my timeit
result, this is marginally faster than the deque solution
>>> iterable=xrange(1000)
>>> stmt1="""
def skip(iterable, at_start=0, at_end=0):
it = iter(iterable)
it = itertools.islice(it, at_start, None)
it, it1 = itertools.tee(it)
it1 = itertools.islice(it1, at_end, None)
return (next(it) for _ in it1)
list(skip(iterable,2,2))
"""
>>> stmt2="""
def skip(iterable, at_start=0, at_end=0):
it = iter(iterable)
for x in itertools.islice(it, at_start):
pass
queue = collections.deque(itertools.islice(it, at_end))
for x in it:
queue.append(x)
yield queue.popleft()
list(skip(iterable,2,2))
"""
>>> timeit.timeit(stmt = stmt1, setup='from __main__ import iterable, skip, itertools', number = 10000)
2.0313770640908047
>>> timeit.timeit(stmt = stmt2, setup='from __main__ import iterable, skip, itertools, collections', number = 10000)
2.9903135454296716
Just write the "include" command :
import os
def include(filename):
if os.path.exists(filename):
execfile(filename)
include('myfile.py')
@Deleet :
@bfieck remark is correct, for python 2 and 3 compatibility, you need either :
Python 2 and 3: alternative 1
from past.builtins import execfile
execfile('myfile.py')
Python 2 and 3: alternative 2
exec(compile(open('myfile.py').read()))
Try the following to see if you have the proper repository installed:
# yum search java | grep 'java-'
This is going to return a list of available packages that have java in the title. Specifically we are interested in the java- anything, as the jdk will typically be in 'java-version#' type format... Anyhow, if you have to install a repo look at Dag Wieers repo:
http://dag.wieers.com/rpm/FAQ.php#B
After you've got it installed try yum search again... This time you'll have a bunch of java stuff.
# yum search java | grep 'java-'
This will return the list of the available java packages. You can install one like this:
# yum install java-1.7.0-openjdk.x86_64
You can add property to your model as follows:
public string DetailsClass { get { return Details.Count > 0 ? "show" : "hide" } }
and then your view will be simpler and will contain no logic at all:
<div class="details @Model.DetailsClass"/>
This will work even with many classes and will not render class if it is null:
<div class="@Model.Class1 @Model.Class2"/>
with 2 not null properties will render:
<div class="class1 class2"/>
if class1 is null
<div class=" class2"/>
Generally speaking:
all
and any
are functions that take some iterable and return True
, if
all()
, no values in the iterable are falsy;any()
, at least one value is truthy.A value x
is falsy iff bool(x) == False
.
A value x
is truthy iff bool(x) == True
.
Any non-booleans in the iterable will be fine — bool(x)
will coerce any x
according to these rules: 0
, 0.0
, None
, []
, ()
, []
, set()
, and other empty collections will yield False
, anything else True
. The docstring for bool
uses the terms 'true'/'false' for 'truthy'/'falsy', and True
/False
for the concrete boolean values.
In your specific code samples:
You misunderstood a little bit how these functions work. Hence, the following does something completely not what you thought:
if any(foobars) == big_foobar:
...because any(foobars)
would first be evaluated to either True
or False
, and then that boolean value would be compared to big_foobar
, which generally always gives you False
(unless big_foobar
coincidentally happened to be the same boolean value).
Note: the iterable can be a list, but it can also be a generator/generator expression (˜ lazily evaluated/generated list) or any other iterator.
What you want instead is:
if any(x == big_foobar for x in foobars):
which basically first constructs an iterable that yields a sequence of booleans—for each item in foobars
, it compares the item to big_foobar
and emits the resulting boolean into the resulting sequence:
tmp = (x == big_foobar for x in foobars)
then any
walks over all items in tmp
and returns True
as soon as it finds the first truthy element. It's as if you did the following:
In [1]: foobars = ['big', 'small', 'medium', 'nice', 'ugly']
In [2]: big_foobar = 'big'
In [3]: any(['big' == big_foobar, 'small' == big_foobar, 'medium' == big_foobar, 'nice' == big_foobar, 'ugly' == big_foobar])
Out[3]: True
Note: As DSM pointed out, any(x == y for x in xs)
is equivalent to y in xs
but the latter is more readable, quicker to write and runs faster.
Some examples:
In [1]: any(x > 5 for x in range(4))
Out[1]: False
In [2]: all(isinstance(x, int) for x in range(10))
Out[2]: True
In [3]: any(x == 'Erik' for x in ['Erik', 'John', 'Jane', 'Jim'])
Out[3]: True
In [4]: all([True, True, True, False, True])
Out[4]: False
See also: http://docs.python.org/2/library/functions.html#all
You could base something on the ObjectDumper code that ships with the Linq samples.
Have also a look at the answer of this related question to get a sample.
Both of the examples immediately above didn't work for me. Opening a recordset on the table and adding a record does work to add the record, except:
myLong = CLng(rs!AutoNumberField)
returns Null if put between rs.AddNew and rs.Update. If put after rs.Update, it does return something, but it's always wrong, and always the same incorrect value. Looking at the table directly after adding the new record shows an autonumber field value different than the one returned by the above statement.
myLong = DLookup("AutoNumberField","TableName","SomeCriteria")
will work properly, as long as it's done after rs.Update, and there are any other fields which can uniquely identify the record.
A problem that you get when you allow constructors in interfaces comes from the possibility to implement several interfaces at the same time. When a class implements several interfaces that define different constructors, the class would have to implement several constructors, each one satisfying only one interface, but not the others. It will be impossible to construct an object that calls each of these constructors.
Or in code:
interface Named { Named(String name); }
interface HasList { HasList(List list); }
class A implements Named, HasList {
/** implements Named constructor.
* This constructor should not be used from outside,
* because List parameter is missing
*/
public A(String name) {
...
}
/** implements HasList constructor.
* This constructor should not be used from outside,
* because String parameter is missing
*/
public A(List list) {
...
}
/** This is the constructor that we would actually
* need to satisfy both interfaces at the same time
*/
public A(String name, List list) {
this(name);
// the next line is illegal; you can only call one other super constructor
this(list);
}
}
I had the same issue. Using MySQL 6.1 Workbench.
After a while (2 mins), it just crashed. Reported bug, saved files and reopened. It works now.
I guess I would suggest if that happens again, to immediately save the open scripts, close MySQL and restart it.
import UIKit
// Example iso date time
let isoDateArray = [
"2020-03-18T07:32:39.88Z",
"2020-03-18T07:32:39Z",
"2020-03-18T07:32:39.8Z",
"2020-03-18T07:32:39.88Z",
"2020-03-18T07:32:39.8834Z"
]
let dateFormatterGetWithMs = DateFormatter()
let dateFormatterGetNoMs = DateFormatter()
// Formater with and without millisecond
dateFormatterGetWithMs.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
dateFormatterGetNoMs.dateFormat = "yyyy-MM-dd'T'HH:mm:ss'Z'"
let dateFormatterPrint = DateFormatter()
dateFormatterPrint.dateFormat = "MMM dd,yyyy"
for dateString in isoDateArray {
var date: Date? = dateFormatterGetWithMs.date(from: dateString)
if (date == nil){
date = dateFormatterGetNoMs.date(from: dateString)
}
print("===========>",date!)
}
Load your two-dimensional string array into an actual DataTable (System.Data.DataTable), and then use the DataTable object's Select() method to generate a sorted array of DataRow objects (or use a DataView for a similar effect).
// assumes stringdata[row, col] is your 2D string array
DataTable dt = new DataTable();
// assumes first row contains column names:
for (int col = 0; col < stringdata.GetLength(1); col++)
{
dt.Columns.Add(stringdata[0, col]);
}
// load data from string array to data table:
for (rowindex = 1; rowindex < stringdata.GetLength(0); rowindex++)
{
DataRow row = dt.NewRow();
for (int col = 0; col < stringdata.GetLength(1); col++)
{
row[col] = stringdata[rowindex, col];
}
dt.Rows.Add(row);
}
// sort by third column:
DataRow[] sortedrows = dt.Select("", "3");
// sort by column name, descending:
sortedrows = dt.Select("", "COLUMN3 DESC");
You could also write your own method to sort a two-dimensional array. Both approaches would be useful learning experiences, but the DataTable approach would get you started on learning a better way of handling tables of data in a C# application.
There's also concat, but it doesn't get used much
select concat('a','b') from dual;
Logic should be something like:
First step: For class MyData implements Comparable interface, override the compareTo method as per the per object requirement.
Second step: When it comes to list comparison (after checking for nulls), 2.1 Check the size of both lists, if equal returns true else return false, continue to object iteration 2.2 If step 2.1 returns true, iterate over elements from both lists and invoke something like,
listA.get(i).compareTo(listB.get(i))
This will be as per the code mentioned in step-1.
You can make the field nullable, if that suits your specific modeling concerns. A null date won't be coerced to a date that isn't within the range of the SQL DateTime type the way a default value would. Another option is to explicitly map to a different type, perhaps with,
.HasColumnType("datetime2")
To create all intermediate-level destination directories you could use os.makedirs()
before copying:
import os
import shutil
srcfile = 'a/long/long/path/to/file.py'
dstroot = '/home/myhome/new_folder'
assert not os.path.isabs(srcfile)
dstdir = os.path.join(dstroot, os.path.dirname(srcfile))
os.makedirs(dstdir) # create all directories, raise an error if it already exists
shutil.copy(srcfile, dstdir)
Not tested, but probably something like if(preg_match("/^[0-9,]+$/", $a)) $a = str_replace(...)
Do it the other way around:
$a = "1,435";
$b = str_replace( ',', '', $a );
if( is_numeric( $b ) ) {
$a = $b;
}
The easiest would be:
$var = intval(preg_replace('/[^\d.]/', '', $var));
or if you need float:
$var = floatval(preg_replace('/[^\d.]/', '', $var));
No, you can use only some escape sequences - \n for example (maybe only this one).
The design of your classes will make it hard to test them. Using hardcoded connection strings or instantiating collaborators in your methods with new
can be considered as test-antipatterns. Have a look at the DependencyInjection pattern. Frameworks like Spring might be of help here.
To have your DAO tested you need to have control over your database connection in your unit tests. So the first thing you would want to do is extract it out of your DAO into a class that you can either mock or point to a specific test database, which you can setup and inspect before and after your tests run.
A technical solution for testing db/DAO code might be dbunit. You can define your test data in a schema-less XML and let dbunit populate it in your test database. But you still have to wire everything up yourself. With Spring however you could use something like spring-test-dbunit which gives you lots of leverage and additional tooling.
As you call yourself a total beginner I suspect this is all very daunting. You should ask yourself if you really need to test your database code. If not you should at least refactor your code, so you can easily mock out all database access. For mocking in general, have a look at Mockito.
There are many differences between ListView and RecyclerView, but you should be aware of the following in particular:
Its due to mismatch between column name defined in entity and the column name of table (in SQL db )
java.sql.SQLException: ORA-00904: "table_name"."column_name": invalid identifier e.g.java.sql.SQLException: ORA-00904: "STUDENT"."NAME": invalid identifier
issue can be like
in Student.java(entity file)
You have mentioned column name as "NAME" only.
But in STUDENT table ,column name is lets say "NMAE"
Difference between app.use
& app.get
:
app.use
? It is generally used for introducing middlewares in your application and can handle all type of HTTP requests.
app.get
? It is only for handling GET HTTP requests.
Now, there is a confusion between app.use
& app.all
. No doubt, there is one thing common in them, that both can handle all kind of HTTP requests.
But there are some differences which recommend us to use app.use for middlewares and app.all for route handling.
app.use()
? It takes only one callback.
app.all()
? It can take multiple callbacks.
app.use()
will only see whether url starts with specified path.
But, app.all()
will match the complete path.
For example,
app.use( "/book" , middleware);
// will match /book
// will match /book/author
// will match /book/subject
app.all( "/book" , handler);
// will match /book
// won't match /book/author
// won't match /book/subject
app.all( "/book/*" , handler);
// won't match /book
// will match /book/author
// will match /book/subject
next()
call inside the app.use()
will call either the next middleware or any route handler, but next()
call inside app.all()
will invoke the next route handler (app.all()
, app.get/post/put...
etc.) only. If there is any middleware after, it will be skipped. So, it is advisable to put all the middlewares always above the route handlers.In Visual Studio 2010 the key sequence CTRL+E, S will also toggle display of whitespace characters.
Here's a sample method that adds two extra columns programmatically to the grid view:
private void AddColumnsProgrammatically()
{
// I created these columns at function scope but if you want to access
// easily from other parts of your class, just move them to class scope.
// E.g. Declare them outside of the function...
var col3 = new DataGridViewTextBoxColumn();
var col4 = new DataGridViewCheckBoxColumn();
col3.HeaderText = "Column3";
col3.Name = "Column3";
col4.HeaderText = "Column4";
col4.Name = "Column4";
dataGridView1.Columns.AddRange(new DataGridViewColumn[] {col3,col4});
}
A great way to figure out how to do this kind of process is to create a form, add a grid view control and add some columns. (This process will actually work for ANY kind of form control. All instantiation and initialization happens in the Designer.) Then examine the form's Designer.cs file to see how the construction takes place. (Visual Studio does everything programmatically but hides it in the Form Designer.)
For this example I created two columns for the view named Column1 and Column2 and then searched Form1.Designer.cs for Column1 to see everywhere it was referenced. The following information is what I gleaned and, copied and modified to create two more columns dynamically:
// Note that this info scattered throughout the designer but can easily collected.
System.Windows.Forms.DataGridViewTextBoxColumn Column1;
System.Windows.Forms.DataGridViewCheckBoxColumn Column2;
this.Column1 = new System.Windows.Forms.DataGridViewTextBoxColumn();
this.Column2 = new System.Windows.Forms.DataGridViewCheckBoxColumn();
this.dataGridView1.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
this.Column1,
this.Column2});
this.Column1.HeaderText = "Column1";
this.Column1.Name = "Column1";
this.Column2.HeaderText = "Column2";
this.Column2.Name = "Column2";
None of the 'overflow' solutions worked for me. I'm coding a parallax effect with JavaScript using jQuery. In Chrome and Safari on OSX the elastic/rubber-band effect was messing up my scroll numbers, since it actually scrolls past the document's height and updates the window variables with out-of-boundary numbers. What I had to do was check if the scrolled amount was larger than the actual document's height, like so:
$(window).scroll(
function() {
if ($(window).scrollTop() + $(window).height() > $(document).height()) return;
updateScroll(); // my own function to do my parallaxing stuff
}
);
I've created a new scheme based on my current app.config to get the messages to disappear. I just used the button in Visual Studio that says "Create Schema" and an xsd schema was created for me.
Save the schema in an apropriate place and see the "Properties" tab of the app.config file where there is a property named Schemas. If you click the change button there you can select to use both the original dotnetconfig schema and your own newly created one.
Yet another try - Using event lambda expressions
As form initializes a single event handler can be assigned to all controls of type RadioButton in a group box, and use .tabIndex or .tag property to identify what option is checked when it changes.
This way you can subscribe to any of the events of each radio button in one go
int priceOption = 0;
foreach (RadioButton rbtn in grp_PriceOpt.Controls.OfType<RadioButton>())
{
rbtn.CheckedChanged += (o, e) =>
{
var button = (RadioButton)o;
if (button.Checked)
{
priceOption = button.TabIndex;
}
};
}
As events are assigned to radio buttons only, no type checking of sender is implemented.
Also notice as we loop all buttons this could be a perfect moment to assign data properties, change text etc.
This isn't a JSON question, per se. Its a javascript array question.
Try this:
people.sort(function(a,b){
var x = a.name < b.name? -1:1;
return x;
});
You have a few choices:
typeof(IMyInterface).IsAssignableFrom(typeof(MyType))
typeof(MyType).GetInterfaces().Contains(typeof(IMyInterface))
For a generic interface, it’s a bit different.
typeof(MyType).GetInterfaces().Any(i => i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IMyInterface<>))
Simple code that finds the mode of the list without any imports:
nums = #your_list_goes_here
nums.sort()
counts = dict()
for i in nums:
counts[i] = counts.get(i, 0) + 1
mode = max(counts, key=counts.get)
In case of multiple modes, it should return the minimum node.
Works for primitives and immutable classes like String
, Wrapper classes Character, Byte.
int i=0,j=2
String s1,s2
s1 = s2 = "java rocks"
For mutable classes
Reference r1 = Reference r2 = Reference r3 = new Object();`
Three references + one object are created. All references point to the same object and your program will misbehave.
So your myscript
output 3 lines, could look like:
myscript() { echo $'abc\ndef\nghi'; }
or
myscript() { local i; for i in abc def ghi ;do echo $i; done ;}
Ok this is a function, not a script (no need of path ./
), but output is same
myscript
abc
def
ghi
To check for result code, test function will become:
myscript() { local i;for i in abc def ghi ;do echo $i;done;return $((RANDOM%128));}
Your operation is correct:
RESULT=$(myscript)
About result code, you could add:
RCODE=$?
even in same line:
RESULT=$(myscript) RCODE=$?
Then
echo $RESULT
abc def ghi
echo "$RESULT"
abc
def
ghi
echo ${RESULT@Q}
$'abc\ndef\nghi'
printf "%q\n" "$RESULT"
$'abc\ndef\nghi'
but for showing variable definition, use declare -p
:
declare -p RESULT
declare -- RESULT="abc
def
ghi"
mapfile
Storing answer into myvar
variable:
mapfile -t myvar < <(myscript)
echo ${myvar[2]}
ghi
Showing $myvar
:
declare -p myvar
declare -a myvar=([0]="abc" [1]="def" [2]="ghi")
In case you have to check for result code, you could:
RESULT=$(myscript) RCODE=$?
mapfile -t myvar <<<"$RESULT"
read
in command group{ read firstline; read secondline; read thirdline;} < <(myscript)
echo $secondline
def
Showing variables:
declare -p firstline secondline thirdline
declare -- firstline="abc"
declare -- secondline="def"
declare -- thirdline="ghi"
I often use:
{ read foo;read foo total use free foo ;} < <(df -k /)
Then
declare -p use free total
declare -- use="843476"
declare -- free="582128"
declare -- total="1515376"
Same prepended step:
RESULT=$(myscript) RCODE=$?
{ read firstline; read secondline; read thirdline;} <<<"$RESULT"
declare -p firstline secondline thirdline RCODE
declare -- firstline="abc"
declare -- secondline="def"
declare -- thirdline="ghi"
declare -- RCODE="50"
Here is another way to do this
Use \Carbon\Carbon;
$date = Carbon::now();
echo $date->toRfc850String();
Output will be like this
Saturday, 11-May-19 06:28:04 UTC
I use this extension method:
public static IQueryable<T> Page<T, TResult>(this IQueryable<T> obj, int page, int pageSize, System.Linq.Expressions.Expression<Func<T, TResult>> keySelector, bool asc, out int rowsCount)
{
rowsCount = obj.Count();
int innerRows = rowsCount - (page * pageSize);
if (innerRows < 0)
{
innerRows = 0;
}
if (asc)
return obj.OrderByDescending(keySelector).Take(innerRows).OrderBy(keySelector).Take(pageSize).AsQueryable();
else
return obj.OrderBy(keySelector).Take(innerRows).OrderByDescending(keySelector).Take(pageSize).AsQueryable();
}
public IEnumerable<Data> GetAll(int RowIndex, int PageSize, string SortExpression)
{
int totalRows;
int pageIndex = RowIndex / PageSize;
List<Data> data= new List<Data>();
IEnumerable<Data> dataPage;
bool asc = !SortExpression.Contains("DESC");
switch (SortExpression.Split(' ')[0])
{
case "ColumnName":
dataPage = DataContext.Data.Page(pageIndex, PageSize, p => p.ColumnName, asc, out totalRows);
break;
default:
dataPage = DataContext.vwClientDetails1s.Page(pageIndex, PageSize, p => p.IdColumn, asc, out totalRows);
break;
}
foreach (var d in dataPage)
{
clients.Add(d);
}
return data;
}
public int CountAll()
{
return DataContext.Data.Count();
}
import urllib
import urllib.request
from bs4 import BeautifulSoup
with urllib.request.urlopen("http://www.newegg.com/") as url:
s = url.read()
print(s)
soup = BeautifulSoup(s, "html.parser")
all_tag_a = soup.find_all("a", limit=10)
for links in all_tag_a:
#print(links.get('href'))
print(links)
If the problem allows it, try with EXISTS, since it's optimized to end as soon as a result is found (And don't buffer any response), so, if you are just trying to normalize data for a WHERE clause like this
SELECT FROM SOMETHING S WHERE S.ID IN ( SELECT DISTINCT DCR.SOMETHING_ID FROM DIFF_CARDINALITY_RELATIONSHIP DCR ) -- to keep same cardinality
A faster response would be:
SELECT FROM SOMETHING S WHERE EXISTS ( SELECT 1 FROM DIFF_CARDINALITY_RELATIONSHIP DCR WHERE DCR.SOMETHING_ID = S.ID )
This isn't always possible but when available you will see a faster response.
If you have mysqladmin
available, you may get the list of queries with:
> mysqladmin -uUSERNAME -pPASSWORD pr
+-----+------+-----------------+--------+---------+------+--------------+------------------+
| Id | User | Host | db | Command | Time | State | Info |
+-----+------+-----------------+--------+---------+------+--------------+------------------+
| 137 | beet | localhost:53535 | people | Query | 292 | Sending data | DELETE FROM |
| 145 | root | localhost:55745 | | Query | 0 | | show processlist |
+-----+------+-----------------+--------+---------+------+--------------+------------------+
Then you may stop the mysql process that is hosting the long running query:
> mysqladmin -uUSERNAME -pPASSWORD kill 137
I use Google Chart Tools https://developers.google.com/chart/ It's well documented and the charts look great. Being javascript, you can feed it json data via ajax.
Here's the simplest solution I have come across. I have learnt this from Beginning iOS 5 Development book.
Assuming the number field is called numberField
.
In ViewController
, add the following method:
-(IBAction)closeKeyboard:(id)sender;
In ViewController.m
, add the following code:
-(IBAction)closeKeyboard:(id)sender
{
[numberField resignFirstResponder];
}
Go back to nib
file.
Utilities
pan.Identity inspector
under Utilities
pan.View
(in nib file) once. Make sure you have not clicked on any of the items in the view. For the sake of clarification, you should see UIView under Class
in Identity inspector
.Connection Inspector
. Touch Down
and drop the arrow on File Owner
icon. (FYI... File Owner icon is displayed on the left of View
and appears as a hollow cube with yellow frame.)closeKeyboard
.Now when you click anywhere on background of View
, you should be able to dismiss the keyboard.
Hope this helps you solve your problem. :-)
I prefer something like the following:
type StringRef []byte
func (s StringRef) String() string {
return string(s[:])
}
…
// rather silly example, but ...
fmt.Printf("foo=%s\n",StringRef("bar"))
Another spin on the same theme:
protected void OnWindowSizeChanged(object sender, SizeChangedEventArgs e)
{
dataGrid.Width = e.NewSize.Width - (e.NewSize.Width * .1);
foreach (var column in dataGrid.Columns)
{
column.Width = dataGrid.Width / dataGrid.Columns.Count;
}
}
Disable the firewall and try to connect.
If that works, then enable the firewall and
Windows Defender Firewall -> Advanced Settings -> Inbound Rules(Right Click) -> New Rules -> Port -> Allow Port 1433 (Public and Private) -> Add
Do the same for Outbound Rules.
Then Try again.
If you want to iterate over a list and create a new list with "transformed" objects, you should use the map()
function of stream + collect()
. In the following example I find all people with the last name "l1" and each person I'm "mapping" to a new Employee instance.
public class Test {
public static void main(String[] args) {
List<Person> persons = Arrays.asList(
new Person("e1", "l1"),
new Person("e2", "l1"),
new Person("e3", "l2"),
new Person("e4", "l2")
);
List<Employee> employees = persons.stream()
.filter(p -> p.getLastName().equals("l1"))
.map(p -> new Employee(p.getName(), p.getLastName(), 1000))
.collect(Collectors.toList());
System.out.println(employees);
}
}
class Person {
private String name;
private String lastName;
public Person(String name, String lastName) {
this.name = name;
this.lastName = lastName;
}
// Getter & Setter
}
class Employee extends Person {
private double salary;
public Employee(String name, String lastName, double salary) {
super(name, lastName);
this.salary = salary;
}
// Getter & Setter
}
try this
$directory = "mytheme/images/myimages";
$images = glob($directory . "/*.jpg");
foreach($images as $image)
{
echo $image;
}
Jquery VS javascript, I am completely against the OP in this question. Comparison happens with two similar things, not in such case.
Jquery is Javascript. A javascript library to reduce vague coding, collection commonly used javascript functions which has proven to help in efficient and fast coding.
Javascript is the source, the actual scripts that browser responds to.
label.setForeground(Color.RED)
(I would probably put two labels next to each other using a GridLayout
or something, but here goes...)
You could use html in your label text as follows:
frame.add(new JLabel("<html>Text color: <font color='red'>red</font></html>"));
which produces:
I realise that this is a rather old post and you have probably moved on.
But I had the same problem as you so I decided to write my own program.
The problem with the "xml -> xsd -> classes" route for me was that it just generated a lump of code that was completely unmaintainable and I ended up turfing it.
It is in no way elegant but it did the job for me.
You can get it here: Please make suggestions if you like it.
If you set the AllowsTransparency
property on the Window
(even without setting any transparency values) the border disappears and you can only resize via the grip.
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="640" Height="480"
WindowStyle="None"
AllowsTransparency="True"
ResizeMode="CanResizeWithGrip">
<!-- Content -->
</Window>
Result looks like:
You can use -j
.
-j
--junk-paths
Store just the name of a saved file (junk the path), and do not
store directory names. By default, zip will store the full path
(relative to the current directory).
Today I was trying same in db2 and used below, in my case I had spaces at the end of varchar column data
SELECT EmployeeName FROM EmployeeTable WHERE LENGTH(TRIM(EmployeeName))> 4;
f = open("test.py", "a") Will be created in whatever directory the python file is run from.
I'm not sure about the other error...I don't work in windows.
JSON is perfectly capable of expressing lists of integers, and the JSON you have posted is valid. You can simply separate the integers by commas:
{
"Id": "610",
"Name": "15",
"Description": "1.99",
"ItemModList": [42, 47, 139]
}
From stack trace:
HikariPool: Timeout failure pool HikariPool-0 stats (total=20, active=20, idle=0, waiting=0) Means pool reached maximum connections limit set in configuration.
The next line: HikariPool-0 - Connection is not available, request timed out after 30000ms. Means pool waited 30000ms for free connection but your application not returned any connection meanwhile.
Mostly it is connection leak (connection is not closed after borrowing from pool), set leakDetectionThreshold to the maximum value that you expect SQL query would take to execute.
otherwise, your maximum connections 'at a time' requirement is higher than 20 !
<?php
// Custom PHP MySQL Pagination Tutorial and Script
// You have to put your mysql connection data and alter the SQL queries(both queries)
mysql_connect("DATABASE_Host_Here","DATABASE_Username_Here","DATABASE_Password_Here") or die (mysql_error());
mysql_select_db("DATABASE_Name_Here") or die (mysql_error());
////////////// QUERY THE MEMBER DATA INITIALLY LIKE YOU NORMALLY WOULD
$sql = mysql_query("SELECT id, firstname, country FROM myTable ORDER BY id ASC");
//////////////////////////////////// Pagination Logic ////////////////////////////////////////////////////////////////////////
$nr = mysql_num_rows($sql); // Get total of Num rows from the database query
if (isset($_GET['pn'])) { // Get pn from URL vars if it is present
$pn = preg_replace('#[^0-9]#i', '', $_GET['pn']); // filter everything but numbers for security(new)
//$pn = ereg_replace("[^0-9]", "", $_GET['pn']); // filter everything but numbers for security(deprecated)
} else { // If the pn URL variable is not present force it to be value of page number 1
$pn = 1;
}
//This is where we set how many database items to show on each page
$itemsPerPage = 10;
// Get the value of the last page in the pagination result set
$lastPage = ceil($nr / $itemsPerPage);
// Be sure URL variable $pn(page number) is no lower than page 1 and no higher than $lastpage
if ($pn < 1) { // If it is less than 1
$pn = 1; // force if to be 1
} else if ($pn > $lastPage) { // if it is greater than $lastpage
$pn = $lastPage; // force it to be $lastpage's value
}
// This creates the numbers to click in between the next and back buttons
// This section is explained well in the video that accompanies this script
$centerPages = "";
$sub1 = $pn - 1;
$sub2 = $pn - 2;
$add1 = $pn + 1;
$add2 = $pn + 2;
if ($pn == 1) {
$centerPages .= ' <span class="pagNumActive">' . $pn . '</span> ';
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $add1 . '">' . $add1 . '</a> ';
} else if ($pn == $lastPage) {
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $sub1 . '">' . $sub1 . '</a> ';
$centerPages .= ' <span class="pagNumActive">' . $pn . '</span> ';
} else if ($pn > 2 && $pn < ($lastPage - 1)) {
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $sub2 . '">' . $sub2 . '</a> ';
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $sub1 . '">' . $sub1 . '</a> ';
$centerPages .= ' <span class="pagNumActive">' . $pn . '</span> ';
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $add1 . '">' . $add1 . '</a> ';
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $add2 . '">' . $add2 . '</a> ';
} else if ($pn > 1 && $pn < $lastPage) {
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $sub1 . '">' . $sub1 . '</a> ';
$centerPages .= ' <span class="pagNumActive">' . $pn . '</span> ';
$centerPages .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $add1 . '">' . $add1 . '</a> ';
}
// This line sets the "LIMIT" range... the 2 values we place to choose a range of rows from database in our query
$limit = 'LIMIT ' .($pn - 1) * $itemsPerPage .',' .$itemsPerPage;
// Now we are going to run the same query as above but this time add $limit onto the end of the SQL syntax
// $sql2 is what we will use to fuel our while loop statement below
$sql2 = mysql_query("SELECT id, firstname, country FROM myTable ORDER BY id ASC $limit");
//////////////////////////////// END Pagination Logic ////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////// Pagination Display Setup /////////////////////////////////////////////////////////////////////
$paginationDisplay = ""; // Initialize the pagination output variable
// This code runs only if the last page variable is ot equal to 1, if it is only 1 page we require no paginated links to display
if ($lastPage != "1"){
// This shows the user what page they are on, and the total number of pages
$paginationDisplay .= 'Page <strong>' . $pn . '</strong> of ' . $lastPage. ' ';
// If we are not on page 1 we can place the Back button
if ($pn != 1) {
$previous = $pn - 1;
$paginationDisplay .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $previous . '"> Back</a> ';
}
// Lay in the clickable numbers display here between the Back and Next links
$paginationDisplay .= '<span class="paginationNumbers">' . $centerPages . '</span>';
// If we are not on the very last page we can place the Next button
if ($pn != $lastPage) {
$nextPage = $pn + 1;
$paginationDisplay .= ' <a href="' . $_SERVER['PHP_SELF'] . '?pn=' . $nextPage . '"> Next</a> ';
}
}
///////////////////////////////////// END Pagination Display Setup ///////////////////////////////////////////////////////////////////////////
// Build the Output Section Here
$outputList = '';
while($row = mysql_fetch_array($sql2)){
$id = $row["id"];
$firstname = $row["firstname"];
$country = $row["country"];
$outputList .= '<h1>' . $firstname . '</h1><h2>' . $country . ' </h2><hr />';
} // close while loop
?>
<html>
<head>
<title>Simple Pagination</title>
</head>
<body>
<div style="margin-left:64px; margin-right:64px;">
<h2>Total Items: <?php echo $nr; ?></h2>
</div>
<div style="margin-left:58px; margin-right:58px; padding:6px; background-color:#FFF; border:#999 1px solid;"><?php echo $paginationDisplay; ?></div>
<div style="margin-left:64px; margin-right:64px;"><?php print "$outputList"; ?></div>
<div style="margin-left:58px; margin-right:58px; padding:6px; background-color:#FFF; border:#999 1px solid;"><?php echo $paginationDisplay; ?></div>
</body>
</html>
In Kotlin Android EditText listener is set using,
val searchTo : EditText = findViewById(R.id.searchTo)
searchTo.addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(s: Editable) {
// you can call or do what you want with your EditText here
// yourEditText...
}
override fun beforeTextChanged(s: CharSequence, start: Int, count: Int, after: Int) {}
override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {}
})
I catch all the exceptions and store it in database, so errors can be corrected easily - the page, place, date etc stored
try
{
Cart = DB.BuyOnlineCartMasters.Where(c => c.CmpyID == LoginID && c.Active == true).FirstOrDefault();
}
catch (Exception e)
{
ErrorReport.StoreError("CartMinifiedPartial-Company", e);
-- storing the error for reference
}
Storing
public static void StoreError(string ErrorPage, Exception e)
{
try
{
eDurar.Models.db_edurarEntities1 DB = new Models.db_edurarEntities1();
eDurar.Models.ErrorTable Err = new eDurar.Models.ErrorTable();
Err.ErrorPage = ErrorPage;
if (e.Message != null)
{
Err.ErrorDetails = e.Message;
}
if (e.InnerException != null)
{
Err.InnerException = e.InnerException.Message.ToString();
}
Err.Date = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZoneInfo.FindSystemTimeZoneById("India Standard Time"));
DB.ErrorTables.AddObject(Err);
DB.SaveChanges();
}
In response to the good solution from macek. The solution didn't work for me. I have to bind the values of the datas to the export function. This solution works for me:
function exportToForm(a, b, c, d, e) {
console.log(a, b, c, d, e);
}
var images = document.getElementsByTagName("img");
for (var i=0, len=images.length, img; i<len; i++) {
var img = images[i];
var boundExportToForm = exportToForm.bind(undefined,
img.getAttribute("data-a"),
img.getAttribute("data-b"),
img.getAttribute("data-c"),
img.getAttribute("data-d"),
img.getAttribute("data-e"))
img.addEventListener("click", boundExportToForm);
}
Imho this is not really possible. All posted solutions fails for strings like "test" and so on. If they can be divided through 4, are not null or empty, and if they are a valid base64 character, they will pass all tests. That can be many strings ...
So there is no real solution other than knowing that this is a base 64 encoded string. What I've come up with is this:
if (base64DecodedString.StartsWith("<xml>")
{
// This was really a base64 encoded string I was expecting. Yippie!
}
else
{
// This is gibberish.
}
I expect that the decoded string begins with a certain structure, so I check for that.
Here's an example:
char myChar = '|';
string myString = "||";
Chars are delimited by single quotes, and strings by double quotes.
The good news is C# switch statements work with strings!
switch (mytoken)
{
case "==":
//Something here.
break;
default:
//Handle when no token is found.
break;
}
button1 in activity2
code written in activity 2
button1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v)
{
// starting background task to update product
Intent fp=new Intent(getApplicationContext(),activity1.class);
startActivity(fp);
}
});
This might help
You need to set index=False
in to_excel
in order for it to not write the index column out, this semantic is followed in other Pandas IO tools, see http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.to_excel.html and http://pandas.pydata.org/pandas-docs/stable/io.html
Try this
"[A-Za-z0-9_-]+"
Should allow underscores and hyphens
Saw this thread while looking for something else and I know it is super old, but I wanted to add my 2 cents.
NEVER USE VLOOKUP. It's one of the worst performing formulas in excel. Use index match instead. It even works without sorting data, unless you have a -1 or 1 in the end of the match formula (explained more below)
Here is a link with the appropriate formulas.
The Sheet 2 formula would be this: =IF(A2="","",INDEX(Sheet1!B:B,MATCH($A2,Sheet1!$A:$A,0)))
More information on the Index/Match formula
Other fun facts: $ means absolute in a formula. So if you specify $B$1 when filling a formula down or over keeps that same value. If you over $B1, the B remains the same across the formula, but if you fill down, the 1 increases with the row count. Likewise, if you used B$1, filling to the right will increment the B, but keep the reference of row 1.
I also included the use of indirect in the second section. What indirect does is allow you to use the text of another cell in a formula. Since I created a named range sheet1!A:A = ID, sheet1!B:B = Name, and sheet1!C:C=Price, I can use the column name to have the exact same formula, but it uses the column heading to change the search criteria.
Good luck! Hope this helps.
Easy and handy commands
To delete all images
docker rmi $(docker images -a)
To delete containers which are in exited state
docker rm $(docker ps -a -f status=exited -q)
To delete containers which are in created state
docker rm $(docker ps -a -f status=created -q)
NOTE: Remove all the containers then remove the images
For those of you on Windows using TortoiseGit, you can get a somewhat visual comparison through this rather obscure feature:
shift
and right-click itctrl
to select two branches to compareI got the same error but I was trying to run a node application using a Docker container.
I fixed it by adding a .dockerignore file to ignore the node_modules directory to make sure that when the docker image builds, it builds the native packages for the image I wanted (Alpine) instead of copying over the node_modules compiled for my host (Debian).
As @epascarello mentioned for W3C standard browsers, you should use:
body.addEventListener("load", init, false);
However, if you want it to work on IE<9 as well you can use:
var prefix = window.addEventListener ? "" : "on";
var eventName = window.addEventListener ? "addEventListener" : "attachEvent";
document.body[eventName](prefix + "load", init, false);
Or if you want it in a single line:
document.body[window.addEventListener ? 'addEventListener' : 'attachEvent'](
window.addEventListener ? "load" : "onload", init, false);
Note: here I get a straight reference to the body element via the document, saving the need for the first line.
Also, if you're using jQuery, and you want to use the DOM ready
event rather than when the body load
s, the answer can be even shorter...
$(init);
Just a note: for Anaconda install packages command:
Seems to work
$(".selector").change(function() {
var $value = $(this).val();
var $title = $(this).children('option[value='+$value+']').html();
$('#bacon').val($title);
});
Just check with your firebug. And don't put css on hidden input.
WARNING: size()
was deprecated in jQuery 1.8 and removed in jQuery 3.0, use .length
instead
Working Demo: http://jsfiddle.net/cse_tushar/6FzSb/
$(document).ready(function () {
size_li = $("#myList li").size();
x=3;
$('#myList li:lt('+x+')').show();
$('#loadMore').click(function () {
x= (x+5 <= size_li) ? x+5 : size_li;
$('#myList li:lt('+x+')').show();
});
$('#showLess').click(function () {
x=(x-5<0) ? 3 : x-5;
$('#myList li').not(':lt('+x+')').hide();
});
});
$(document).ready(function () {
size_li = $("#myList li").size();
x=3;
$('#myList li:lt('+x+')').show();
$('#loadMore').click(function () {
x= (x+5 <= size_li) ? x+5 : size_li;
$('#myList li:lt('+x+')').show();
$('#showLess').show();
if(x == size_li){
$('#loadMore').hide();
}
});
$('#showLess').click(function () {
x=(x-5<0) ? 3 : x-5;
$('#myList li').not(':lt('+x+')').hide();
$('#loadMore').show();
$('#showLess').show();
if(x == 3){
$('#showLess').hide();
}
});
});
CSS
#showLess {
color:red;
cursor:pointer;
display:none;
}
Working Demo: http://jsfiddle.net/cse_tushar/6FzSb/2/
My solution is to use these 2 mappings:
map <leader>n <Esc><Esc>0qq
map <leader>m q:'<,'>-1normal!@q<CR><Down>
How to use them:
V12j
<leader>n
<leader>m
To make another edit you don't need to make the selection again. Just press <leader>n
, make your edit and press <leader>m
to apply.
How this works:
<Esc><Esc>0qq
Exit the visual selection, go to the beginning of the line and start recording a macro.
q
Stop recording the macro.
:'<,'>-1normal!@q<CR>
From the start of the visual selection to the line before the end, play the macro on each line.
<Down>
Go back down to the last line.
You can also just map the same key but for different modes:
vmap <leader>m <Esc><Esc>0qq
nmap <leader>m q:'<,'>-1normal!@q<CR><Down>
Although this messes up your ability to make another edit. You'll have to re-select your lines.
use
LDFLAGS= -L<Directory where the library resides> -l<library name>
Like :
LDFLAGS = -L. -lmine
for ensuring static compilation you can also add
LDFLAGS = -static
Or you can just get rid of the whole library searching, and link with with it directly.
say you have main.c fun.c
and a static library libmine.a
then you can just do in your final link line of the Makefile
$(CC) $(CFLAGS) main.o fun.o libmine.a
If you don't want to add a wrapper, you could just add the code manually, since you know the ID you are targeting:
var myID = "xxx";
var newCode = "<div id='"+myID+"'>"+$("#"+myID).html()+"</div>";
MAMP takes only two highest versions of the PHP in the following folder /Application/MAMP/bin/php
As you can see here highest versions are 7.0.10 and 5.6.25
Now 7.0.10 version is removed and as you can see highest two versions are 5.6.25 and 5.5.38 as shown in preferences
That syntax should work OK, but you can try this alternative.
<a href="javascript:void(0);" onclick="ShowOld(2367,146986,2);">
or
<a href="javascript:ShowOld(2367, 146986, 2);">
UPDATED ANSWER FOR STRING VALUES
If you are passing strings, use single quotes for your function's parameters
<a href="javascript:ShowOld('foo', 146986, 'bar');">
Why use PHP for this, when you can use wget, e.g.
wget -r -l 1 http://www.example.com
For how to parse the contents, see Best Methods to parse HTML and use the search function for examples. How to parse HTML has been answered multiple times before.
I had some issues creating a file in Windows Explorer with a .
at the beginning.
A workaround was to go into the commandshell and create a new file using "edit".
Add to your settings.py
:
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'file': {
'level': 'DEBUG',
'class': 'logging.FileHandler',
'filename': 'debug.log',
},
},
'loggers': {
'django': {
'handlers': ['file'],
'level': 'DEBUG',
'propagate': True,
},
},
}
And it will create a file called debug.log
in the root of your.
https://docs.djangoproject.com/en/1.10/topics/logging/
See: RFC 3092: Etymology of "Foo", D. Eastlake 3rd et al.
Quoting only the relevant definitions from that RFC for brevity:
Used very generally as a sample name for absolutely anything, esp. programs and files (esp. scratch files).
First on the standard list of metasyntactic variables used in syntax examples (bar, baz, qux, quux, corge, grault, garply, waldo, fred, plugh, xyzzy, thud). [JARGON]
Simply put inside your script :
source FILE
Or
. FILE # POSIX compliant
$ LANG=C help source
source: source filename [arguments]
Execute commands from a file in the current shell.
Read and execute commands from FILENAME in the current shell. The
entries in $PATH are used to find the directory containing FILENAME.
If any ARGUMENTS are supplied, they become the positional parameters
when FILENAME is executed.
Exit Status:
Returns the status of the last command executed in FILENAME; fails if
FILENAME cannot be read.
Another approach if you are using Directory.EnumerateFiles
and want to read files in latest modified by first.
foreach (string file in Directory.EnumerateFiles(fileDirectory, fileType).OrderByDescending(f => new FileInfo(f).LastWriteTime))
}
var orig = new Date();
var copy = new Date(+orig);
console.log(orig, copy);
_x000D_
import os
path, dirs, files = next(os.walk("/usr/lib"))
file_count = len(files)
Apparently, the compiler thinks NSSearchPathDirectory:0
is an array, and of course it expects the type NSSearchPathDirectory
instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the function definition:
func NSSearchPathForDirectoriesInDomains(
directory: NSSearchPathDirectory,
domainMask: NSSearchPathDomainMask,
expandTilde: Bool) -> AnyObject[]!
directory
and domainMask
are the names, you are using the types, but you should leave them out for functions anyway. They are used primarily in methods.So that leaves us with (updated for Swift 2.0):
let documentsPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0]
and for Swift 3:
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
Indexing a list is done using double bracket, i.e. hypo_list[[1]]
(e.g. have a look here: http://www.r-tutor.com/r-introduction/list). BTW: read.table
does not return a table but a dataframe (see value section in ?read.table
). So you will have a list of dataframes, rather than a list of table objects. The principal mechanism is identical for tables and dataframes though.
Note: In R, the index for the first entry is a 1
(not 0
like in some other languages).
Dataframes
l <- list(anscombe, iris) # put dfs in list
l[[1]] # returns anscombe dataframe
anscombe[1:2, 2] # access first two rows and second column of dataset
[1] 10 8
l[[1]][1:2, 2] # the same but selecting the dataframe from the list first
[1] 10 8
Table objects
tbl1 <- table(sample(1:5, 50, rep=T))
tbl2 <- table(sample(1:5, 50, rep=T))
l <- list(tbl1, tbl2) # put tables in a list
tbl1[1:2] # access first two elements of table 1
Now with the list
l[[1]] # access first table from the list
1 2 3 4 5
9 11 12 9 9
l[[1]][1:2] # access first two elements in first table
1 2
9 11
Basically you can sort arrays with method sort, but if you want to sort objects then you have to pass function to sort method of array, so I will give you an example using your array
user = [{
bio: "<null>",
email: "[email protected]",
firstname: 'Anna',
id: 318,
"last_avatar": "<null>",
"last_message": "<null>",
lastname: 'Nickson',
nickname: 'anny'
},
{
bio: "<null>",
email: "[email protected]",
firstname: 'Senad',
id: 318,
"last_avatar": "<null>",
"last_message": "<null>",
lastname: 'Nickson',
nickname: 'anny'
},
{
bio: "<null>",
email: "[email protected]",
firstname: 'Muhamed',
id: 318,
"last_avatar": "<null>",
"last_message": "<null>",
lastname: 'Nickson',
nickname: 'anny'
}];
var ar = user.sort(function(a, b)
{
var nA = a.firstname.toLowerCase();
var nB = b.firstname.toLowerCase();
if(nA < nB)
return -1;
else if(nA > nB)
return 1;
return 0;
});
docker rmi $(docker images -a -q)
Stated the following images where in use. I think this command gets rid of unwanted images.
If all you need is a simple countdown timer, this is a good alternative instead of installing a package. Happy coding!
countDownTimer() async {
int timerCount;
for (int x = 5; x > 0; x--) {
await Future.delayed(Duration(seconds: 1)).then((_) {
setState(() {
timerCount -= 1;
});
});
}
}
In C++ 11 you can use std::chrono::system_clock::now()
Example (copied from en.cppreference.com):
#include <iostream>
#include <chrono>
#include <ctime>
int main()
{
auto start = std::chrono::system_clock::now();
// Some computation here
auto end = std::chrono::system_clock::now();
std::chrono::duration<double> elapsed_seconds = end-start;
std::time_t end_time = std::chrono::system_clock::to_time_t(end);
std::cout << "finished computation at " << std::ctime(&end_time)
<< "elapsed time: " << elapsed_seconds.count() << "s\n";
}
This should print something like this:
finished computation at Mon Oct 2 00:59:08 2017
elapsed time: 1.88232s
Try this, you will not force to inject $rootScope
in controller.
app.run(function($rootScope) {
$rootScope.Currency = 'USD';
});
You can only use it in run block because config block will not provide you to use service of $rootScope.
In my case it looks like Chrome locking some resources, preventing from debugger to attach. After I closing Chrome, I able to attach again.
Put a single listener on the table. When it gets a click from an input with a button that has a name of "edit" and value "edit", change its value to "modify". Get rid of the input's id (they aren't used for anything here), or make them all unique.
<script type="text/javascript">
function handleClick(evt) {
var node = evt.target || evt.srcElement;
if (node.name == 'edit') {
node.value = "Modify";
}
}
</script>
<table id="table1" border="1" onclick="handleClick(event);">
<thead>
<tr>
<th>Select
</thead>
<tbody>
<tr>
<td>
<form name="f1" action="#" >
<input id="edit1" type="submit" name="edit" value="Edit">
</form>
<tr>
<td>
<form name="f2" action="#" >
<input id="edit2" type="submit" name="edit" value="Edit">
</form>
<tr>
<td>
<form name="f3" action="#" >
<input id="edit3" type="submit" name="edit" value="Edit">
</form>
</tbody>
</table>
so if you need want use this code )
import { useRoutes } from "./routes";
import { BrowserRouter as Router } from "react-router-dom";
export const App = () => {
const routes = useRoutes(true);
return (
<Router>
<div className="container">{routes}</div>
</Router>
);
};
// ./routes.js
import { Switch, Route, Redirect } from "react-router-dom";
export const useRoutes = (isAuthenticated) => {
if (isAuthenticated) {
return (
<Switch>
<Route path="/links" exact>
<LinksPage />
</Route>
<Route path="/create" exact>
<CreatePage />
</Route>
<Route path="/detail/:id">
<DetailPage />
</Route>
<Redirect path="/create" />
</Switch>
);
}
return (
<Switch>
<Route path={"/"} exact>
<AuthPage />
</Route>
<Redirect path={"/"} />
</Switch>
);
};
You've made an array of arrays (multidimensional), so options[0] in this case is the size array. you need to reference the first element of the child, which for you is: options[0][0].
If you wanted to loop through all entries you can use the for .. in ...
syntax which is described here.
var a = [1,2,4,5,120,12];
for (var val in t) {
console.log(t[val]);
}
var b = ['S','M','L'];
var both = [a,b];
for (var val in both) {
for(val2 in both[val]){console.log(both[val][val2])}
}
I had to set the value in '' and ""
spring:
jpa:
properties:
hibernate:
default_schema: '"schema"'
Basend on the example of Gary Kerr and as proposed here one may create empty circles related to specified values with following code:
import matplotlib.pyplot as plt
import numpy as np
from matplotlib.markers import MarkerStyle
x = np.random.randn(60)
y = np.random.randn(60)
z = np.random.randn(60)
g=plt.scatter(x, y, s=80, c=z)
g.set_facecolor('none')
plt.colorbar()
plt.show()
% draw simple vector from pt a to pt b
% wtr : with respect to
scale=0;%for drawin vectors with true scale
a = [10 20 30];% wrt origine O(0,0,0)
b = [10 10 20];% wrt origine O(0,0,0)
starts=a;% a now is the origine of my vector to draw (from a to b) so we made a translation from point O to point a = to vector a
c = b-a;% c is the new coordinates of b wrt origine a
ends=c;%
plot3(a(1),a(2),a(3),'*b')
hold on
plot3(b(1),b(2),b(3),'*g')
quiver3(starts(:,1), starts(:,2), starts(:,3), ends(:,1), ends(:,2), ends(:,3),scale);% Use scale = 0 to plot the vectors without the automatic scaling.
% axis equal
hold off
<div class="container">
<img src="http://i.stack.imgur.com/2OrtT.jpg"/>
</div>
<style>
.container {
width: 150px;
height: 100px;
overflow: hidden;
}
</style>
Form.Close() is use to close an instance of a Form with in .NET application it does not kill the entire application. Application.exit() kills your application.
Swift version to get Bool?
NSUserDefaults.standardUserDefaults().objectForKey(DefaultsIsGiver) as? Bool
As the file handlers points to i-nodes (which are stored independently from file names) on Linux/Unix systems You can rename the default nohup.out
to any other filename any time after starting nohup something&
. So also one could do the following:
$ nohup something&
$ mv nohup.out nohup2.out
$ nohup something2&
Now something
adds lines to nohup2.out
and something2
to nohup.out
.
After lot of trial and error I found that there is a very easy way to do this that is by creating an interface in adapter class and implementing that in fragment now here comes the twist, I instansiated the view model inside my override function present In the fragment now you can send the data from that function to viemodel and from there anywhere.
I don't know if this method is good coding method but please let me know in comment and if any wants to see the let me know in the comment section I regularly open stackover flow.
$objPHPExcel
->getActiveSheet()
->getStyle('A1')
->getFill()
->setFillType(PHPExcel_Style_Fill::FILL_SOLID)
->getStartColor()
->setRGB('colorcode'); //i.e,colorcode=D3D3D3
It turns out that the string needed to be turned into a bytearray and to do this I editted the code to
ser.write("%01#RDD0010000107**\r".encode())
This solved the problem
input:-webkit-autofill { background: #fff !important; }
<form onSubmit="return captureForm()">
that should do. Make sure that your captureForm()
method returns false
.
parentNode.insertBefore(newChild, refChild)
Inserts the node newChild as a child of parentNode before the existing child node refChild. (Returns newChild.)
If refChild is null, newChild is added at the end of the list of children. Equivalently, and more readably, use parentNode.appendChild(newChild).
You can use a FilenameFilter, like so:
File dir = new File(directory);
File[] matches = dir.listFiles(new FilenameFilter()
{
public boolean accept(File dir, String name)
{
return name.startsWith("temp") && name.endsWith(".txt");
}
});
The Laravel Hash facade provides secure Bcrypt hashing for storing user passwords.
Basic usage required two things:
First include the Facade in your file
use Illuminate\Support\Facades\Hash;
and use Make
Method to generate password.
$hashedPassword = Hash::make($request->newPassword);
and when you want to match the Hashed string you can use the below code:
Hash::check($request->newPasswordAtLogin, $hashedPassword)
You can learn more with the Laravel document link below for Hashing: https://laravel.com/docs/5.5/hashing
You can do it like this:
#Just an example how the dictionary may look like
myDict = {'age': ['12'], 'address': ['34 Main Street, 212 First Avenue'],
'firstName': ['Alan', 'Mary-Ann'], 'lastName': ['Stone', 'Lee']}
def search(values, searchFor):
for k in values:
for v in values[k]:
if searchFor in v:
return k
return None
#Checking if string 'Mary' exists in dictionary value
print search(myDict, 'Mary') #prints firstName
This has worked for me!
$('#selected-option option:selected').val()
Hope this helps someone!
Use the FIND_IN_SET function:
SELECT t.*
FROM YOUR_TABLE t
WHERE FIND_IN_SET(3, t.ids) > 0
please find more deatils or download the script from below link https://gallery.technet.microsoft.com/SIZE-OF-ALL-DATABASES-IN-0337f6d5#content
DECLARE @spacetable table
(
database_name varchar(50) ,
total_size_data int,
space_util_data int,
space_data_left int,
percent_fill_data float,
total_size_data_log int,
space_util_log int,
space_log_left int,
percent_fill_log char(50),
[total db size] int,
[total size used] int,
[total size left] int
)
insert into @spacetable
EXECUTE master.sys.sp_MSforeachdb 'USE [?];
select x.[DATABASE NAME],x.[total size data],x.[space util],x.[total size data]-x.[space util] [space left data],
x.[percent fill],y.[total size log],y.[space util],
y.[total size log]-y.[space util] [space left log],y.[percent fill],
y.[total size log]+x.[total size data] ''total db size''
,x.[space util]+y.[space util] ''total size used'',
(y.[total size log]+x.[total size data])-(y.[space util]+x.[space util]) ''total size left''
from (select DB_NAME() ''DATABASE NAME'',
sum(size*8/1024) ''total size data'',sum(FILEPROPERTY(name,''SpaceUsed'')*8/1024) ''space util''
,case when sum(size*8/1024)=0 then ''less than 1% used'' else
substring(cast((sum(FILEPROPERTY(name,''SpaceUsed''))*1.0*100/sum(size)) as CHAR(50)),1,6) end ''percent fill''
from sys.master_files where database_id=DB_ID(DB_NAME()) and type=0
group by type_desc ) as x ,
(select
sum(size*8/1024) ''total size log'',sum(FILEPROPERTY(name,''SpaceUsed'')*8/1024) ''space util''
,case when sum(size*8/1024)=0 then ''less than 1% used'' else
substring(cast((sum(FILEPROPERTY(name,''SpaceUsed''))*1.0*100/sum(size)) as CHAR(50)),1,6) end ''percent fill''
from sys.master_files where database_id=DB_ID(DB_NAME()) and type=1
group by type_desc )y'
select * from @spacetable
order by database_name
ls whateveryouwant | xargs -n 1 basename
Does that work for you?
Otherwise you can (cd /the/directory && ls)
(yes, parentheses intended)
The .swapcase method transforms the uppercase latters in a string to lowercase and the lowercase letters to uppercase.
'TESTING'.swapcase #=> testing
'testing'.swapcase #=> TESTING
Similar to @tremby's answer, here is @Kobi's answer as a plugin that will match either prefixes or suffixes.
btn-mini
and btn-danger
but not btn
when stripClass("btn-")
.horsebtn
and cowbtn
but not btn-mini
or btn
when stripClass('btn', 1)
$.fn.stripClass = function (partialMatch, endOrBegin) {
/// <summary>
/// The way removeClass should have been implemented -- accepts a partialMatch (like "btn-") to search on and remove
/// </summary>
/// <param name="partialMatch">the class partial to match against, like "btn-" to match "btn-danger btn-active" but not "btn"</param>
/// <param name="endOrBegin">omit for beginning match; provide a 'truthy' value to only find classes ending with match</param>
/// <returns type=""></returns>
var x = new RegExp((!endOrBegin ? "\\b" : "\\S+") + partialMatch + "\\S*", 'g');
// https://stackoverflow.com/a/2644364/1037948
this.attr('class', function (i, c) {
if (!c) return; // protect against no class
return c.replace(x, '');
});
return this;
};
As a one-liner into vim:
:set tabstop=4 shiftwidth=4
For permanent setup, add these lines to ~/.vimrc:
set tabstop=4
set shiftwidth=4
NOTE: Add set expandtab
if you prefer 4-spaces indentation, instead of a tab indentation.
Often this question is asked in the context of Ron de Bruin's RangeToHTML
function, which creates an HTML PublishObject
from an Excel.Range
, extracts that via FSO, and inserts the resulting stream HTML in to the email's HTMLBody
. In doing so, this removes the default signature (the RangeToHTML
function has a helper function GetBoiler
which attempts to insert the default signature).
Unfortunately, the poorly-documented Application.CommandBars
method is not available via Outlook:
wdDoc.Application.CommandBars.ExecuteMso "PasteExcelTableSourceFormatting"
It will raise a runtime 6158:
But we can still leverage the Word.Document
which is accessible via the MailItem.GetInspector
method, we can do something like this to copy & paste the selection from Excel to the Outlook email body, preserving your default signature (if there is one).
Dim rng as Range
Set rng = Range("A1:F10") 'Modify as needed
With OutMail
.To = "[email protected]"
.BCC = ""
.Subject = "Subject"
.Display
Dim wdDoc As Object '## Word.Document
Dim wdRange As Object '## Word.Range
Set wdDoc = OutMail.GetInspector.WordEditor
Set wdRange = wdDoc.Range(0, 0)
wdRange.InsertAfter vbCrLf & vbCrLf
'Copy the range in-place
rng.Copy
wdRange.Paste
End With
Note that in some cases this may not perfectly preserve the column widths or in some instances the row heights, and while it will also copy shapes and other objects in the Excel range, this may also cause some funky alignment issues, but for simple tables and Excel ranges, it is very good:
Try putting a +
before R.xyz
. That should start showing additional folders, e.g.:
+ R.raw.beep.mp3
I think using md5 or sha256 or any hash optimized for speed is perfectly fine and am very curious to hear any rebuttle other users might have. Here are my reasons
If you allow users to use weak passwords such as God, love, war, peace then no matter the encryption you will still be allowing the user to type in the password not the hash and these passwords are often used first, thus this is NOT going to have anything to do with encryption.
If your not using SSL or do not have a certificate then attackers listening to the traffic will be able to pull the password and any attempts at encrypting with javascript or the like is client side and easily cracked and overcome. Again this is NOT going to have anything to do with data encryption on server side.
Brute force attacks will take advantage weak passwords and again because you allow the user to enter the data if you do not have the login limitation of 3 or even a little more then the problem will again NOT have anything to do with data encryption.
If your database becomes compromised then most likely everything has been compromised including your hashing techniques no matter how cryptic you've made it. Again this could be a disgruntled employee XSS attack or sql injection or some other attack that has nothing to do with your password encryption.
I do believe you should still encrypt but the only thing I can see the encryption does is prevent people that already have or somehow gained access to the database from just reading out loud the password. If it is someone unauthorized to on the database then you have bigger issues to worry about that's why Sony got took because they thought an encrypted password protected everything including credit card numbers all it does is protect that one field that's it.
The only pure benefit I can see to complex encryptions of passwords in a database is to delay employees or other people that have access to the database from just reading out the passwords. So if it's a small project or something I wouldn't worry to much about security on the server side instead I would worry more about securing anything a client might send to the server such as sql injection, XSS attacks or the plethora of other ways you could be compromised. If someone disagrees I look forward to reading a way that a super encrypted password is a must from the client side.
The reason I wanted to try and make this clear is because too often people believe an encrypted password means they don't have to worry about it being compromised and they quit worrying about securing the website.
Atomicity atomic (default)
Atomic is the default: if you don’t type anything, your property is atomic. An atomic property is guaranteed that if you try to read from it, you will get back a valid value. It does not make any guarantees about what that value might be, but you will get back good data, not just junk memory. What this allows you to do is if you have multiple threads or multiple processes pointing at a single variable, one thread can read and another thread can write. If they hit at the same time, the reader thread is guaranteed to get one of the two values: either before the change or after the change. What atomic does not give you is any sort of guarantee about which of those values you might get. Atomic is really commonly confused with being thread-safe, and that is not correct. You need to guarantee your thread safety other ways. However, atomic will guarantee that if you try to read, you get back some kind of value.
nonatomic
On the flip side, non-atomic, as you can probably guess, just means, “don’t do that atomic stuff.” What you lose is that guarantee that you always get back something. If you try to read in the middle of a write, you could get back garbage data. But, on the other hand, you go a little bit faster. Because atomic properties have to do some magic to guarantee that you will get back a value, they are a bit slower. If it is a property that you are accessing a lot, you may want to drop down to nonatomic to make sure that you are not incurring that speed penalty. Access
courtesy https://academy.realm.io/posts/tmi-objective-c-property-attributes/
Atomicity property attributes (atomic and nonatomic) are not reflected in the corresponding Swift property declaration, but the atomicity guarantees of the Objective-C implementation still hold when the imported property is accessed from Swift.
So — if you define an atomic property in Objective-C it will remain atomic when used by Swift.
courtesy https://medium.com/@YogevSitton/atomic-vs-non-atomic-properties-crash-course-d11c23f4366c
I found myself using the HttpClient library to query RESTful APIs as the code is very straightforward and fully async'ed.
(Edit: Adding JSON from question for clarity)
{
"agent": {
"name": "Agent Name",
"version": 1
},
"username": "Username",
"password": "User Password",
"token": "xxxxxx"
}
With two classes representing the JSON-Structure you posted that may look like this:
public class Credentials
{
[JsonProperty("agent")]
public Agent Agent { get; set; }
[JsonProperty("username")]
public string Username { get; set; }
[JsonProperty("password")]
public string Password { get; set; }
[JsonProperty("token")]
public string Token { get; set; }
}
public class Agent
{
[JsonProperty("name")]
public string Name { get; set; }
[JsonProperty("version")]
public int Version { get; set; }
}
you could have a method like this, which would do your POST request:
var payload = new Credentials {
Agent = new Agent {
Name = "Agent Name",
Version = 1
},
Username = "Username",
Password = "User Password",
Token = "xxxxx"
};
// Serialize our concrete class into a JSON String
var stringPayload = await Task.Run(() => JsonConvert.SerializeObject(payload));
// Wrap our JSON inside a StringContent which then can be used by the HttpClient class
var httpContent = new StringContent(stringPayload, Encoding.UTF8, "application/json");
using (var httpClient = new HttpClient()) {
// Do the actual request and await the response
var httpResponse = await httpClient.PostAsync("http://localhost/api/path", httpContent);
// If the response contains content we want to read it!
if (httpResponse.Content != null) {
var responseContent = await httpResponse.Content.ReadAsStringAsync();
// From here on you could deserialize the ResponseContent back again to a concrete C# type using Json.Net
}
}
You don't want to lose the user scaling option if you can help it. I like this JS solution from here.
<script type="text/javascript">
(function(doc) {
var addEvent = 'addEventListener',
type = 'gesturestart',
qsa = 'querySelectorAll',
scales = [1, 1],
meta = qsa in doc ? doc[qsa]('meta[name=viewport]') : [];
function fix() {
meta.content = 'width=device-width,minimum-scale=' + scales[0] + ',maximum-scale=' + scales[1];
doc.removeEventListener(type, fix, true);
}
if ((meta = meta[meta.length - 1]) && addEvent in doc) {
fix();
scales = [.25, 1.6];
doc[addEvent](type, fix, true);
}
}(document));
</script>
If it's in a class, you can use getattr:
class MyClass(object):
def install(self):
print "In install"
method_name = 'install' # set by the command line options
my_cls = MyClass()
method = None
try:
method = getattr(my_cls, method_name)
except AttributeError:
raise NotImplementedError("Class `{}` does not implement `{}`".format(my_cls.__class__.__name__, method_name))
method()
or if it's a function:
def install():
print "In install"
method_name = 'install' # set by the command line options
possibles = globals().copy()
possibles.update(locals())
method = possibles.get(method_name)
if not method:
raise NotImplementedError("Method %s not implemented" % method_name)
method()
For sake of completeness, here is a script which actually could be a one-liner to get a backup from a database, excluding (ignoring) all the views. The db name is assumed to be employees:
ignore=$(mysql --login-path=root1 INFORMATION_SCHEMA \
--skip-column-names --batch \
-e "select
group_concat(
concat('--ignore-table=', table_schema, '.', table_name) SEPARATOR ' '
)
from tables
where table_type = 'VIEW' and table_schema = 'employees'")
mysqldump --login-path=root1 --column-statistics=0 --no-data employees $ignore > "./backups/som_file.sql"
You can update the logic of the query. In general using group_concat
and concat
you can generate almost any desired string or shell command.
Also, check to make sure you have enough disk space on /var/core
or wherever your core dumps get written. If the partition is almos full or at 100% disk usage then that would be the problem. My core dumps average a few gigs so you should be sure to have at least 5-10 gig available on the partition.
For student level programs, Clang has the benefit that it is, by default, stricter wrt. the C standard. For example, the following K&R version of Hello World is accepted without warning by GCC, but rejected by Clang with some pretty descriptive error messages:
main()
{
puts("Hello, world!");
}
With GCC, you have to give it -Werror
to get it to really make a point about this not being a valid C89 program. Also, you still need to use c99
or gcc -std=c99
to get the C99 language.
Casting int
to char
involves losing data and the compiler will probably warn you.
Extracting a particular byte from an int
sounds more reasonable and can be done like this:
number & 0x000000ff; /* first byte */
(number & 0x0000ff00) >> 8; /* second byte */
(number & 0x00ff0000) >> 16; /* third byte */
(number & 0xff000000) >> 24; /* fourth byte */
Wait and notify method always called on object so whether it may be Thread object or simple object (which does not extends Thread class) Given Example will clear your all the doubts.
I have called wait and notify on class ObjB and that is the Thread class so we can say that wait and notify are called on any object.
public class ThreadA {
public static void main(String[] args){
ObjB b = new ObjB();
Threadc c = new Threadc(b);
ThreadD d = new ThreadD(b);
d.setPriority(5);
c.setPriority(1);
d.start();
c.start();
}
}
class ObjB {
int total;
int count(){
for(int i=0; i<100 ; i++){
total += i;
}
return total;
}}
class Threadc extends Thread{
ObjB b;
Threadc(ObjB objB){
b= objB;
}
int total;
@Override
public void run(){
System.out.print("Thread C run method");
synchronized(b){
total = b.count();
System.out.print("Thread C notified called ");
b.notify();
}
}
}
class ThreadD extends Thread{
ObjB b;
ThreadD(ObjB objB){
b= objB;
}
int total;
@Override
public void run(){
System.out.print("Thread D run method");
synchronized(b){
System.out.println("Waiting for b to complete...");
try {
b.wait();
System.out.print("Thread C B value is" + b.total);
}
catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
You will have an if-check no matter how efficient you try to optimize this not-so-intensive computation :) You can subtract the upper bound from the number and if it's positive you know you are out of range. You can perhaps perform some boolean bit-shift logic to figure it out and you can even use Fermat's theorem if you want (kidding :) But the point is "why" do you need to optimize this comparison? What's the purpose?
If you stuck in python command line and none of above solutions worked for you,
try exit(2)
the link to getdate: https://api.jqueryui.com/datepicker/#method-getDate
$("#datepicker").datepicker( 'getDate' );
Here is class structure of UIDevice
+ (UIDevice *)currentDevice;
@property(nonatomic,readonly,strong) NSString *name; // e.g. "My iPhone"
@property(nonatomic,readonly,strong) NSString *model; // e.g. @"iPhone", @"iPod touch"
@property(nonatomic,readonly,strong) NSString *localizedModel; // localized version of model
@property(nonatomic,readonly,strong) NSString *systemName; // e.g. @"iOS"
@property(nonatomic,readonly,strong) NSString *systemVersion;
Taking a guess at what it is you're asking for. I'm assuming by millisecond frame timer you're looking for something that acts like the following,
double mticks()
{
struct timeval tv;
gettimeofday(&tv, 0);
return (double) tv.tv_usec / 1000 + tv.tv_sec * 1000;
}
but uses std::chrono
instead,
double mticks()
{
typedef std::chrono::high_resolution_clock clock;
typedef std::chrono::duration<float, std::milli> duration;
static clock::time_point start = clock::now();
duration elapsed = clock::now() - start;
return elapsed.count();
}
Hope this helps.
Swift 5:
If you have UILabel and someway boundingRect isn't working for you (I faced this problem. It always returned 1 line height.) there is an extension to easily calculate label size.
extension UILabel {
func getSize(constrainedWidth: CGFloat) -> CGSize {
return systemLayoutSizeFitting(CGSize(width: constrainedWidth, height: UIView.layoutFittingCompressedSize.height), withHorizontalFittingPriority: .required, verticalFittingPriority: .fittingSizeLevel)
}
}
You can use it like this:
let label = UILabel()
label.text = "My text\nIs\nAwesome"
let labelSize = label.getSize(constrainedWidth:200.0)
Works for me
I got this error “No such file or directory”
but it exists because my file was created in Windows and I tried to run it on Ubuntu and the file contained invalid 15\r where ever a new line was there.
I just created a new file truncating unwanted stuff
sleep: invalid time interval ‘15\r’
Try 'sleep --help' for more information.
script.sh: 5: script.sh: /opt/ag/cont: not found
script.sh: 6: script.sh: /opt/ag/cont: not found
root@Ubuntu14:/home/abc12/Desktop# vi script.sh
root@Ubuntu14:/home/abc12/Desktop# od -c script.sh
0000000 # ! / u s r / b i n / e n v b
0000020 a s h \r \n w g e t h t t p : /
0000400 : 4 1 2 0 / \r \n
0000410
root@Ubuntu14:/home/abc12/Desktop# tr -d \\015 < script.sh > script.sh.fixed
root@Ubuntu14:/home/abc12/Desktop# od -c script.sh.fixed
0000000 # ! / u s r / b i n / e n v b
0000020 a s h \n w g e t h t t p : / /
0000400 / \n
0000402
root@Ubuntu14:/home/abc12/Desktop# sh -x script.sh.fixed