Use eval()
instead of ast.literal_eval()
if the input is trusted (which it is in your case).
raw_data = userfile.read().split('\n')
for a in raw_data :
print a
btc_history.append(eval(a))
This works for me in Python 3.6.0
If all you need is a user provided dictionary, possible better solution is json.loads
. The main limitation is that json dicts requires string keys. Also you can only provide literal data, but that is also the case for literal_eval
.
From https://pypi.org/project/pytesseract/ :
pytesseract.pytesseract.tesseract_cmd = '<full_path_to_your_tesseract_executable>'
# Include the above line, if you don't have tesseract executable in your PATH
# Example tesseract_cmd: 'C:\\Program Files (x86)\\Tesseract-OCR\\tesseract'
$('select[name=selValue]').val(1);
$('.selectpicker').selectpicker('refresh');
This is all you need to do. No need to change the generated html of selectpicker directly, just change the hidden select field, and then call the selectpicker('refresh').
In case that it serves to someone, I leave here the Windows 10 base register for Python 3.4.4 - 64 bit:
Por si alguien lo necesita todavía, este es el registro base de Windows 10 para Python 3.4.4:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4]
"DisplayName"="Python 3.4 (64-bit)"
"SupportUrl"="http://www.python.org/"
"Version"="3.4.4"
"SysVersion"="3.4"
"SysArchitecture"="64bit"
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\Help]
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\Help\Main Python Documentation]
@="C:\\Python34\\Doc\\python364.chm"
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\Idle]
@="C:\\Python34\\Lib\\idlelib\\idle.pyw"
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\IdleShortcuts]
@=dword:00000001
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\InstalledFeatures]
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\InstallPath]
@="C:\\Python34\\"
"ExecutablePath"="C:\\Python34\\python.exe"
"WindowedExecutablePath"="C:\\Python34\\pythonw.exe"
[HKEY_CURRENT_USER\Software\Python\PythonCore\3.4\PythonPath]
@="C:\\Python34\\Lib\\;C:\\Python34\\DLLs\\"
What SSL private key should be sent along with the client certificate?
None of them :)
One of the appealing things about client certificates is it does not do dumb things, like transmit a secret (like a password), in the plain text to a server (HTTP basic_auth
). The password is still used to unlock the key for the client certificate, its just not used directly to during exchange or tp authenticate the client.
Instead, the client chooses a temporary, random key for that session. The client then signs the temporary, random key with his cert and sends it to the server (some hand waiving). If a bad guy intercepts anything, its random so it can't be used in the future. It can't even be used for a second run of the protocol with the server because the server will select a new, random value, too.
Fails with: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure
Use TLS 1.0 and above; and use Server Name Indication.
You have not provided any code, so its not clear to me how to tell you what to do. Instead, here's the OpenSSL command line to test it:
openssl s_client -connect www.example.com:443 -tls1 -servername www.example.com \
-cert mycert.pem -key mykey.pem -CAfile <certificate-authority-for-service>.pem
You can also use -CAfile
to avoid the “verify error:num=20”. See, for example, “verify error:num=20” when connecting to gateway.sandbox.push.apple.com.
You can do it setting the transparency via style right within the table tag:
<table id="Main table" style="background-color:rgba(0, 0, 0, 0);">
The last digit in the rgba function is for transparency. 1 means 100% opaque, while 0 stands for 100% transparent.
I solved these problem by doing the following steps:
In Emulator:
You have to use the latest API Google APIs(Google Inc.)-API Level
19
.
Do the rest of the things placed in the screenshot itself.
API Key:
Create New API Key and Check carefully about Google Map API key and SHA Key.
Google Play Services:
You have to download the latest Google Play Services
com.android.vending-4.8.20.apk.In that site if google play
services wasn't working means you can find a lot of sites in
internet named com.android.vending 4.8.20.apk
.
you can run the Google play Services by using the Command Prompt
adb install com.android.vending 4.8.20.apk
.
Note: You have to download the latest Google play services because year by year latest version will be updated in internet.
output:
If you don't know the correct Locale and the string can have a thousand separator this could be a last resort:
doubleStrIn = doubleStrIn.replaceAll("[^\\d,\\.]++", "");
if (doubleStrIn.matches(".+\\.\\d+,\\d+$"))
return Double.parseDouble(doubleStrIn.replaceAll("\\.", "").replaceAll(",", "."));
if (doubleStrIn.matches(".+,\\d+\\.\\d+$"))
return Double.parseDouble(doubleStrIn.replaceAll(",", ""));
return Double.parseDouble(doubleStrIn.replaceAll(",", "."));
Be aware: this will happily parse strings like "R 1 52.43,2" to "15243.2".
C++20 std::source_location
C++ has finally added a non-macro option, and it will likely dominate at some point in the future when C++20 becomes widespread:
The documentation says:
constexpr const char* function_name() const noexcept;
6 Returns: If this object represents a position in the body of a function, returns an implementation-defined NTBS that should correspond to the function name. Otherwise, returns an empty string.
where NTBS means "Null Terminated Byte String".
I'll give it a try when support arrives to GCC, GCC 9.1.0 with g++-9 -std=c++2a
still doesn't support it.
https://en.cppreference.com/w/cpp/utility/source_location claims usage will be like:
#include <iostream>
#include <string_view>
#include <source_location>
void log(std::string_view message,
const std::source_location& location std::source_location::current()
) {
std::cout << "info:"
<< location.file_name() << ":"
<< location.line() << ":"
<< location.function_name() << " "
<< message << '\n';
}
int main() {
log("Hello world!");
}
Possible output:
info:main.cpp:16:main Hello world!
__PRETTY_FUNCTION__
vs __FUNCTION__
vs __func__
vs std::source_location::function_name
Answered at: What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
You can use Calendar.
Calendar rightNow = Calendar.getInstance();
Date4j alternative to Date, Calendar, and related Java classes
You could return to the previous page by using ViewBag.ReturnUrl
property.
FOR MySQL
CREATE TABLE newtable LIKE oldtable ;
INSERT newtable SELECT * FROM oldtable ;
FOR MSSQL
Use MyDatabase
:
Select * into newCustomersTable from oldCustomersTable;
This SQL is used for copying tables, here the contents of oldCustomersTable will be copied to newCustomersTable
.
Make sure the newCustomersTable
does not exist in the database.
There is an easy fix (text-indent) to keep the indented list effect with the :before
pseudo class.
ul {_x000D_
margin: 0;_x000D_
}_x000D_
ul.dashed {_x000D_
list-style-type: none;_x000D_
}_x000D_
ul.dashed > li {_x000D_
text-indent: -5px;_x000D_
}_x000D_
ul.dashed > li:before {_x000D_
content: "-";_x000D_
text-indent: -5px;_x000D_
}
_x000D_
Some text_x000D_
<ul class="dashed">_x000D_
<li>First</li>_x000D_
<li>Second</li>_x000D_
<li>Third</li>_x000D_
</ul>_x000D_
<ul>_x000D_
<li>First</li>_x000D_
<li>Second</li>_x000D_
<li>Third</li>_x000D_
</ul>_x000D_
Last text
_x000D_
I just bumped into the same problem and I used the following solution (all from Package Manager Console)
PM> Enable-Migrations -MigrationsDirectory "Migrations\ContextA" -ContextTypeName MyProject.Models.ContextA
PM> Enable-Migrations -MigrationsDirectory "Migrations\ContextB" -ContextTypeName MyProject.Models.ContextB
This will create 2 separate folders in the Migrations folder. Each will contain the generated Configuration.cs
file. Unfortunately you still have to rename those Configuration.cs
files otherwise there will be complaints about having two of them. I renamed my files to ConfigA.cs
and ConfigB.cs
EDIT: (courtesy Kevin McPheat) Remember when renaming the Configuration.cs files, also rename the class names and constructors /EDIT
With this structure you can simply do
PM> Add-Migration -ConfigurationTypeName ConfigA
PM> Add-Migration -ConfigurationTypeName ConfigB
Which will create the code files for the migration inside the folder next to the config files (this is nice to keep those files together)
PM> Update-Database -ConfigurationTypeName ConfigA
PM> Update-Database -ConfigurationTypeName ConfigB
And last but not least those two commands will apply the correct migrations to their corrseponding databases.
EDIT 08 Feb, 2016: I have done a little testing with EF7 version 7.0.0-rc1-16348
I could not get the -o|--outputDir option to work. It kept on giving Microsoft.Dnx.Runtime.Common.Commandline.CommandParsingException: Unrecognized command or argument
However it looks like the first time an migration is added it is added into the Migrations folder, and a subsequent migration for another context is automatically put into a subdolder of migrations.
The original names ContextA
seems to violate some naming conventions so I now use ContextAContext
and ContextBContext
. Using these names you could use the following commands:
(note that my dnx still works from the package manager console and I do not like to open a separate CMD window to do migrations)
PM> dnx ef migrations add Initial -c "ContextAContext"
PM> dnx ef migrations add Initial -c "ContextBContext"
This will create a model snapshot and a initial migration in the Migrations
folder for ContextAContext
. It will create a folder named ContextB
containing these files for ContextBContext
I manually added a ContextA
folder and moved the migration files from ContextAContext
into that folder. Then I renamed the namespace inside those files (snapshot file, initial migration and note that there is a third file under the initial migration file ... designer.cs). I had to add .ContextA
to the namespace, and from there the framework handles it automatically again.
Using the following commands would create a new migration for each context
PM> dnx ef migrations add Update1 -c "ContextAContext"
PM> dnx ef migrations add Update1 -c "ContextBContext"
and the generated files are put in the correct folders.
I wanted to know what is the performance difference between using utf8_general_ci
and utf8_unicode_ci
, but I did not find any benchmarks listed on the internet, so I decided to create benchmarks myself.
I created a very simple table with 500,000 rows:
CREATE TABLE test(
ID INT(11) DEFAULT NULL,
Description VARCHAR(20) DEFAULT NULL
)
ENGINE = INNODB
CHARACTER SET utf8
COLLATE utf8_general_ci;
Then I filled it with random data by running this stored procedure:
CREATE PROCEDURE randomizer()
BEGIN
DECLARE i INT DEFAULT 0;
DECLARE random CHAR(20) ;
theloop: loop
SET random = CONV(FLOOR(RAND() * 99999999999999), 20, 36);
INSERT INTO test VALUES (i+1, random);
SET i=i+1;
IF i = 500000 THEN
LEAVE theloop;
END IF;
END LOOP theloop;
END
Then I created the following stored procedures to benchmark simple SELECT
, SELECT
with LIKE
, and sorting (SELECT
with ORDER BY
):
CREATE PROCEDURE benchmark_simple_select()
BEGIN
DECLARE i INT DEFAULT 0;
theloop: loop
SELECT *
FROM test
WHERE Description = 'test' COLLATE utf8_general_ci;
SET i = i + 1;
IF i = 30 THEN
LEAVE theloop;
END IF;
END LOOP theloop;
END;
CREATE PROCEDURE benchmark_select_like()
BEGIN
DECLARE i INT DEFAULT 0;
theloop: loop
SELECT *
FROM test
WHERE Description LIKE '%test' COLLATE utf8_general_ci;
SET i = i + 1;
IF i = 30 THEN
LEAVE theloop;
END IF;
END LOOP theloop;
END;
CREATE PROCEDURE benchmark_order_by()
BEGIN
DECLARE i INT DEFAULT 0;
theloop: loop
SELECT *
FROM test
WHERE ID > FLOOR(1 + RAND() * (400000 - 1))
ORDER BY Description COLLATE utf8_general_ci LIMIT 1000;
SET i = i + 1;
IF i = 10 THEN
LEAVE theloop;
END IF;
END LOOP theloop;
END;
In the stored procedures above utf8_general_ci
collation is used, but of course during the tests I used both utf8_general_ci
and utf8_unicode_ci
.
I called each stored procedure 5 times for each collation (5 times for utf8_general_ci
and 5 times for utf8_unicode_ci
) and then calculated the average values.
My results are:
benchmark_simple_select()
utf8_general_ci
: 9,957 ms utf8_unicode_ci
: 10,271 ms In this benchmark using utf8_unicode_ci
is slower than utf8_general_ci
by 3.2%.
benchmark_select_like()
utf8_general_ci
: 11,441 ms utf8_unicode_ci
: 12,811 ms In this benchmark using utf8_unicode_ci
is slower than utf8_general_ci
by 12%.
benchmark_order_by()
utf8_general_ci
: 11,944 ms utf8_unicode_ci
: 12,887 ms In this benchmark using utf8_unicode_ci
is slower than utf8_general_ci
by 7.9%.
If I have open a package in BIDS ("Business Intelligence Development Studio", the tool you use to design the packages), and do not select any item in it, I have a "Properties" pane in the bottom right containing - among others, the MaximumErrorCount
property. If you do not see it, maybe it is minimized and you have to open it (have a look at tabs in the right).
If you cannot find it this way, try the menu: View/Properties Window.
Or try the F4 key.
You can also use it with Page Object Pattern, e.g:
Try this code:
@FindBy(xpath = "//*[contains(text(), 'Best Choice')]")
WebElement buttonBestChoice;
For Objective C:
submitButton.layer.cornerRadius = 5;
submitButton.clipsToBounds = YES;
For Swift:
submitButton.layer.cornerRadius = 5
submitButton.clipsToBounds = true
Use the following instead:
boost::function<void (int)> f2( boost::bind( &myclass::fun2, this, _1 ) );
This forwards the first parameter passed to the function object to the function using place-holders - you have to tell Boost.Bind how to handle the parameters. With your expression it would try to interpret it as a member function taking no arguments.
See e.g. here or here for common usage patterns.
Note that VC8s cl.exe regularly crashes on Boost.Bind misuses - if in doubt use a test-case with gcc and you will probably get good hints like the template parameters Bind-internals were instantiated with if you read through the output.
Declare:
SET @a = 1;
Usage:
INSERT INTO `t` (`c`) VALUES (@a);
My interpretation is: I think of YouTube it has a comment-section, and inside the comment-section there are multiple articles (in this case comments).
So a section is like a div-container that holds articles.
The use of http.createClient
is now deprecated. You can pass Headers in options collection as below.
var options = {
hostname: 'example.com',
path: '/somePath.php',
method: 'GET',
headers: {'Cookie': 'myCookie=myvalue'}
};
var results = '';
var req = http.request(options, function(res) {
res.on('data', function (chunk) {
results = results + chunk;
//TODO
});
res.on('end', function () {
//TODO
});
});
req.on('error', function(e) {
//TODO
});
req.end();
Here's a solution that doesn't use JS at all. It uses checkboxes instead.
You can hide the checkbox by adding this to your CSS:
.container input{
display: none;
}
And then add some styling to make it look like a button.
For simple test project, g++
or make
standalone are good options as already answered:
g++ -o hi hi.cpp
or
make hi
For real projects, however, the usage of a project manager is required. At the time I write this answer, the most used and open-source is cmake
(an alternative could be QT qmake ).
Following is a simple CMake example:
Make sure you installed cmake
on your linux distribution apt-get install cmake
or yum install cmake
.
Create a file CMakeLists.txt
(the name is important) together with your source hi.cpp
project("hi")
add_executable( hi hi.cpp )
Then compile and run as:
cmake .
make
./hi
This allows the project to scale easily with libraries, sources, and much more. It also makes most IDEs to understand the project properly (Most IDEs accept CMake natively, like kdevelop, qtCreator, etc..)
You could also generate Visual-Studio or XCode projects from CMake, in case you decide to port the software to other platforms in the future.
cmake -G Xcode . #will generate `hi.xcodeproj` you can load on macOS
If you using Gulp + Babel for a frontend you need to use babel-polyfill
npm install babel-polyfill
and then add a script tag to index.html above all other script tags and reference babel-polyfill from node_modules
If you want blanks and NULLS to be displayed as other text, such as "Uncategorized" you can simply say...
SELECT ISNULL(NULLIF([PropertyValue], ''), 'Uncategorized') FROM UserProfile
The above answers the main question very well. This answer is an extension of that and is of value to readers.
$.extend($.expr[':'], {
unchecked: function (obj) {
return ((obj.type == 'checkbox' || obj.type == 'radio') && !$(obj).is(':checked'));
}
});
$("input:checked")
$("input:unchecked")
The user has the ability to kill his own programs, using kill or Control+C, but I get the impression that's not what happened, and that the user complained to you.
root has the ability to kill programs of course, but if someone has root on your machine and is killing stuff you have bigger problems.
If you are not the sysadmin, the sysadmin may have set up quotas on CPU, RAM, ort disk usage and auto-kills processes that exceed them.
Other than those guesses, I'm not sure without more info about the program.
from child component to parent component as below
parent component
class Parent extends React.Component {
state = { message: "parent message" }
callbackFunction = (childData) => {
this.setState({message: childData})
},
render() {
return (
<div>
<Child parentCallback = {this.callbackFunction}/>
<p> {this.state.message} </p>
</div>
);
}
}
child component
class Child extends React.Component{
sendBackData = () => {
this.props.parentCallback("child message");
},
render() {
<button onClick={sendBackData}>click me to send back</button>
}
};
I hope this work
tree /f /a
About
The Windows command tree /f /a
produces a tree of the current folder and all files & folders contained within it in ASCII format.
The output can be redirected to a text file using the >
parameter.
Method
For Windows 8.1 or Windows 10, follow these steps:
tree /f /a > tree.txt
and press Enter.tree.txt
file in your favourite text editor/viewer.Note: Windows 7, Vista, XP and earlier users can type cmd
in the run command box in the start menu for a command window.
You could simply convert the datetime. Something like:
@Convert.ToString(string.Format("{0:dd/MM/yyyy}", Model.Returndate))
You should be able to access the INSERTED
table and retrieve ID or table's primary key. Something similar to this example ...
CREATE TRIGGER [dbo].[after_update] ON [dbo].[MYTABLE]
AFTER UPDATE AS
BEGIN
DECLARE @id AS INT
SELECT @id = [IdColumnName]
FROM INSERTED
UPDATE MYTABLE
SET mytable.CHANGED_ON = GETDATE(),
CHANGED_BY=USER_NAME(USER_ID())
WHERE [IdColumnName] = @id
Here's a link on MSDN on the INSERTED
and DELETED
tables available when using triggers: http://msdn.microsoft.com/en-au/library/ms191300.aspx
The simplest way to connect is through an OdbcConnection using code like this
using System.Data.Odbc;
using(OdbcConnection myConnection = new OdbcConnection())
{
myConnection.ConnectionString = myConnectionString;
myConnection.Open();
//execute queries, etc
}
where myConnectionString is something like this
myConnectionString = @"Driver={Microsoft Access Driver (*.mdb)};" +
"Dbq=C:\mydatabase.mdb;Uid=Admin;Pwd=;
In alternative you could create a DSN and then use that DSN in your connection string
now your connectionString could be written in this way
myConnectionString = "DSN=myDSN;"
Specify the /FA switch for the cl compiler. Depending on the value of the switch either only assembly code or high-level code and assembly code is integrated. The filename gets .asm file extension. Here are the supported values:
I tried some of these answers, but they didnt work for me (sorry guys); after some more net searching I found this.
With a little modification to his code I now have this function that will return the point of intersection or if no intersection is found it will return -1,-1.
Public Function intercetion(ByVal ax As Integer, ByVal ay As Integer, ByVal bx As Integer, ByVal by As Integer, ByVal cx As Integer, ByVal cy As Integer, ByVal dx As Integer, ByVal dy As Integer) As Point
'// Determines the intersection point of the line segment defined by points A and B
'// with the line segment defined by points C and D.
'//
'// Returns YES if the intersection point was found, and stores that point in X,Y.
'// Returns NO if there is no determinable intersection point, in which case X,Y will
'// be unmodified.
Dim distAB, theCos, theSin, newX, ABpos As Double
'// Fail if either line segment is zero-length.
If ax = bx And ay = by Or cx = dx And cy = dy Then Return New Point(-1, -1)
'// Fail if the segments share an end-point.
If ax = cx And ay = cy Or bx = cx And by = cy Or ax = dx And ay = dy Or bx = dx And by = dy Then Return New Point(-1, -1)
'// (1) Translate the system so that point A is on the origin.
bx -= ax
by -= ay
cx -= ax
cy -= ay
dx -= ax
dy -= ay
'// Discover the length of segment A-B.
distAB = Math.Sqrt(bx * bx + by * by)
'// (2) Rotate the system so that point B is on the positive X axis.
theCos = bx / distAB
theSin = by / distAB
newX = cx * theCos + cy * theSin
cy = cy * theCos - cx * theSin
cx = newX
newX = dx * theCos + dy * theSin
dy = dy * theCos - dx * theSin
dx = newX
'// Fail if segment C-D doesn't cross line A-B.
If cy < 0 And dy < 0 Or cy >= 0 And dy >= 0 Then Return New Point(-1, -1)
'// (3) Discover the position of the intersection point along line A-B.
ABpos = dx + (cx - dx) * dy / (dy - cy)
'// Fail if segment C-D crosses line A-B outside of segment A-B.
If ABpos < 0 Or ABpos > distAB Then Return New Point(-1, -1)
'// (4) Apply the discovered position to line A-B in the original coordinate system.
'*X=Ax+ABpos*theCos
'*Y=Ay+ABpos*theSin
'// Success.
Return New Point(ax + ABpos * theCos, ay + ABpos * theSin)
End Function
Try Server.UrlEncode()
, or System.Web.HttpUtility.UrlEncode()
for instances when you don't have access to the Server
object. You can also use System.Uri.EscapeUriString()
to avoid adding a reference to the System.Web
assembly.
'ftl' stands for freemarker. It combines server side objects and view side (HTML/JQuery) contents into a single viewable template on the client browser.
Some documentation which might help:
Tutorials:
http://www.vogella.com/tutorials/FreeMarker/article.html
http://viralpatel.net/blogs/freemaker-template-hello-world-tutorial/
I use a percentage method to achieve
border: 3px solid rgb(1, 1, 1);
border-top-left-radius: 100% 200%;
border-top-right-radius: 100% 200%;
There is no difference between them.
If you don't specify a value for any of the half-dozen properties that background
is a shorthand for, then it is set to its default value. none
and transparent
are the defaults.
One explicitly sets the background-image
to none
and implicitly sets the background-color
to transparent
. The other is the other way around.
If it is not defined in the web service or application or server (apache or IIS) that is hosting the web service consumable then you could create infinite connections until failure
Try to use it this way:
let current_time = moment().format("HH:mm")
If your application is already using Apache Commons lib, you can slightly modify the accepted answer to not create a new empty array each time:
List<String> list = ..;
String[] array = list.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
// or if using static import
String[] array = list.toArray(EMPTY_STRING_ARRAY);
There are a few more preallocated empty arrays of different types in ArrayUtils
.
Also we can trick JVM to create en empty array for us this way:
String[] array = list.toArray(ArrayUtils.toArray());
// or if using static import
String[] array = list.toArray(toArray());
But there's really no advantage this way, just a matter of taste, IMO.
Updated for Swift 4
Works for iOS 11
Some of the other answers are okay but I ended up mixing and matching a few of them to rather come up with this :
@IBAction func showAlert(sender: AnyObject) {
let alert = UIAlertController(title: "Title", message: "Please Select an Option", preferredStyle: .actionSheet)
alert.addAction(UIAlertAction(title: "Approve", style: .default , handler:{ (UIAlertAction)in
print("User click Approve button")
}))
alert.addAction(UIAlertAction(title: "Edit", style: .default , handler:{ (UIAlertAction)in
print("User click Edit button")
}))
alert.addAction(UIAlertAction(title: "Delete", style: .destructive , handler:{ (UIAlertAction)in
print("User click Delete button")
}))
alert.addAction(UIAlertAction(title: "Dismiss", style: .cancel, handler:{ (UIAlertAction)in
print("User click Dismiss button")
}))
//uncomment for iPad Support
//alert.popoverPresentationController?.sourceView = self.view
self.present(alert, animated: true, completion: {
print("completion block")
})
}
Enjoy :)
Run eclipse.exe file as an Administrator. It worked for me
The Snack Sound Toolkit can play wav, au and mp3 files.
s = Sound()
s.read('sound.wav')
s.play()
You can use the following solution to solve your problem:
echo date('H:i');
The safest way to ensure you get a valid integer:
let integer = (parseInt(value, 10) || 0);
Examples:
// Example 1 - Invalid value:
let value = null;
let integer = (parseInt(value, 10) || 0);
// => integer = 0
// Example 2 - Valid value:
let value = "1230.42";
let integer = (parseInt(value, 10) || 0);
// => integer = 1230
// Example 3 - Invalid value:
let value = () => { return 412 };
let integer = (parseInt(value, 10) || 0);
// => integer = 0
I disagree with the document.write
technique (see suggestion of Vahan Margaryan). I like document.getElementsByTagName('head')[0].appendChild(...)
(see suggestion of Matt Ball), but there is one important issue: the script execution order.
Recently, I have spent a lot of time reproducing one similar issue, and even the well-known jQuery plugin uses the same technique (see src here) to load the files, but others have also reported the issue. Imagine you have JavaScript library which consists of many scripts, and one loader.js
loads all the parts. Some parts are dependent on one another. Imagine you include another main.js
script per <script>
which uses the objects from loader.js
immediately after the loader.js
. The issue was that sometimes main.js
is executed before all the scripts are loaded by loader.js
. The usage of $(document).ready(function () {/*code here*/});
inside of main.js
script does not help. The usage of cascading onload
event handler in the loader.js
will make the script loading sequential instead of parallel, and will make it difficult to use main.js
script, which should just be an include somewhere after loader.js
.
By reproducing the issue in my environment, I can see that **the order of execution of the scripts in Internet Explorer 8 can differ in the inclusion of the JavaScript*. It is a very difficult issue if you need include scripts that are dependent on one another. The issue is described in Loading Javascript files in parallel, and the suggested workaround is to use document.writeln
:
document.writeln("<script type='text/javascript' src='Script1.js'></script>");
document.writeln("<script type='text/javascript' src='Script2.js'></script>");
So in the case of "the scripts are downloaded in parallel but executed in the order they're written to the page", after changing from document.getElementsByTagName('head')[0].appendChild(...)
technique to document.writeln
, I had not seen the issue anymore.
So I recommend that you use document.writeln
.
UPDATED: If somebody is interested, they can try to load (and reload) the page in Internet Explorer (the page uses the document.getElementsByTagName('head')[0].appendChild(...)
technique), and then compare with the fixed version used document.writeln
. (The code of the page is relatively dirty and is not from me, but it can be used to reproduce the issue).
This check
static bool IsValidFileName(string name)
{
return
!string.IsNullOrWhiteSpace(name) &&
name.IndexOfAny(Path.GetInvalidFileNameChars()) < 0 &&
!Path.GetFullPath(name).StartsWith(@"\\.\");
}
filters out names with invalid chars (<>:"/\|?*
and ASCII 0-31), as well as reserved DOS devices (CON
, NUL
, COMx
). It allows leading spaces and all-dot-names, consistent with Path.GetFullPath
. (Creating file with leading spaces succeeds on my system).
Used .NET Framework 4.7.1, tested on Windows 7.
var d = new Date();
var curr_date = d.getDate();
var curr_month = d.getMonth();
var curr_year = d.getFullYear();
document.write(curr_date + "-" + curr_month + "-" + curr_year);
using this you can format date.
you can change the appearance in the way you want then
for more info you can visit here
I had trouble getting the answer back from the dialog box but eventually came up with a solution by combining the answer from this other question display-yes-and-no-buttons-instead-of-ok-and-cancel-in-confirm-box with part of the code from the modal-confirmation dialog
This is what was suggested for the other question:
Create your own confirm box:
<div id="confirmBox">
<div class="message"></div>
<span class="yes">Yes</span>
<span class="no">No</span>
</div>
Create your own confirm()
method:
function doConfirm(msg, yesFn, noFn)
{
var confirmBox = $("#confirmBox");
confirmBox.find(".message").text(msg);
confirmBox.find(".yes,.no").unbind().click(function()
{
confirmBox.hide();
});
confirmBox.find(".yes").click(yesFn);
confirmBox.find(".no").click(noFn);
confirmBox.show();
}
Call it by your code:
doConfirm("Are you sure?", function yes()
{
form.submit();
}, function no()
{
// do nothing
});
MY CHANGES
I have tweaked the above so that instead of calling confirmBox.show()
I used confirmBox.dialog({...})
like this
confirmBox.dialog
({
autoOpen: true,
modal: true,
buttons:
{
'Yes': function () {
$(this).dialog('close');
$(this).find(".yes").click();
},
'No': function () {
$(this).dialog('close');
$(this).find(".no").click();
}
}
});
The other change I made was to create the confirmBox div within the doConfirm function, like ThulasiRam did in his answer.
import tkinter as tk
from tkinter import ttk
from PIL import Image, ImageTk
win = tk. Tk()
image1 = Image. open("Aoran. jpg")
image2 = ImageTk. PhotoImage(image1)
image_label = ttk. Label(win , image =.image2)
image_label.place(x = 0 , y = 0)
win.mainloop()
Try this:
var body = document.getElementsByTagName('BODY')[0];
// CONDITION DOES NOT WORK
if ((body && body.readyState == 'loaded') || (body && body.readyState == 'complete') ) {
DoStuffFunction();
} else {
// CODE BELOW WORKS
if (window.addEventListener) {
window.addEventListener('load', DoStuffFunction, false);
} else {
window.attachEvent('onload',DoStuffFunction);
}
}
To do this manually, you'd need something like:
List<string> existing;
if (!myDic.TryGetValue(key, out existing)) {
existing = new List<string>();
myDic[key] = existing;
}
// At this point we know that "existing" refers to the relevant list in the
// dictionary, one way or another.
existing.Add(extraValue);
However, in many cases LINQ can make this trivial using ToLookup
. For example, consider a List<Person>
which you want to transform into a dictionary of "surname" to "first names for that surname". You could use:
var namesBySurname = people.ToLookup(person => person.Surname,
person => person.FirstName);
I found this hard way after trying all of the solutions above. If you're using sub-directories in the zip file, ensure you include the __init__.py
file in each of the sub-directories and that worked for me.
Using Windows and MINGW64 GitBash ((mintty 3.2.0), i found the file under:
C:\Users\<user name>\AppData\Local\Programs\Git\etc\profile.d\aliases.sh
Just add the alias there and i worked for me
Felipsmartins is correct.
It is worth mentioning that it is because you cannot really use the -d/--data option if this is not a POST request. But this is still possible if you use the -G option.
Which means you can do this:
curl -X DELETE -G 'http://localhost:5000/locations' -d 'id=3'
Here it is a bit silly but when you are on the command line and you have a lot of parameters, it is a lot tidier.
I am saying this because cURL commands are usually quite long, so it is worth making it on more than one line escaping the line breaks.
curl -X DELETE -G \
'http://localhost:5000/locations' \
-d id=3 \
-d name=Mario \
-d surname=Bros
This is obviously a lot more comfortable if you use zsh. I mean when you need to re-edit the previous command because zsh lets you go line by line. (just saying)
Hope it helps.
int x = 3;
if(ceil(x) == x) {
System.out.println("x is an integer");
} else {
System.out.println("x is not an integer");
}
SOLUTION: @Before building your component (using mvn clean install). Build the entire project once and build your component again
WHY SO :
I get this error many times.
Most of the times I will try to build my component alone (As I have not made changes elsewhere).
Right, But that extra jar which has been downloaded recently might have affected by changes done by a third party(inside their component). Making a full mvn clean install on entire project saved me many times
// Checking the format
var urlString: NSString = NSString(data: jsonData, encoding: NSUTF8StringEncoding)
// Convert your data and set your request's HTTPBody property
var stringData: NSString = NSString(string: "jsonRequest=\(urlString)")
var requestBodyData: NSData = stringData.dataUsingEncoding(NSUTF8StringEncoding)!
Use sonar.coverage.exclusions property.
mvn clean install -Dsonar.coverage.exclusions=**/*ToBeExcluded.java
This should exclude the classes from coverage calculation.
Arch Linux (tested in xfce4-terminal
with Python 3):
# Clear or wipe console (terminal):
# Use: clear() or wipe()
import os
def clear():
os.system('clear')
def wipe():
os.system("clear && printf '\e[3J'")
... added to ~/.pythonrc
clear()
clears screenwipe()
wipes entire terminal bufferAnd if you need to style your form elements according to it's state (modified/not modified) dynamically or to test whether some values has actually changed, you can use the following module, developed by myself: https://github.com/betsol/angular-input-modified
It adds additional properties and methods to the form and it's child elements. With it, you can test whether some element contains new data or even test if entire form has new unsaved data.
You can setup the following watch: $scope.$watch('myForm.modified', handler)
and your handler will be called if some form elements actually contains new data or if it reversed to initial state.
Also, you can use modified
property of individual form elements to actually reduce amount of data sent to a server via AJAX call. There is no need to send unchanged data.
As a bonus, you can revert your form to initial state via call to form's reset()
method.
You can find the module's demo here: http://plnkr.co/edit/g2MDXv81OOBuGo6ORvdt?p=preview
Cheers!
I build a module that allows do this kind of tests. But it is focused not only in repeat. But in guarantee that some piece of code is Thread safe.
https://github.com/anderson-marques/concurrent-testing
Maven dependency:
<dependency>
<groupId>org.lite</groupId>
<artifactId>concurrent-testing</artifactId>
<version>1.0.0</version>
</dependency>
Example of use:
package org.lite.concurrent.testing;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import ConcurrentTest;
import ConcurrentTestsRule;
/**
* Concurrent tests examples
*/
public class ExampleTest {
/**
* Create a new TestRule that will be applied to all tests
*/
@Rule
public ConcurrentTestsRule ct = ConcurrentTestsRule.silentTests();
/**
* Tests using 10 threads and make 20 requests. This means until 10 simultaneous requests.
*/
@Test
@ConcurrentTest(requests = 20, threads = 10)
public void testConcurrentExecutionSuccess(){
Assert.assertTrue(true);
}
/**
* Tests using 10 threads and make 20 requests. This means until 10 simultaneous requests.
*/
@Test
@ConcurrentTest(requests = 200, threads = 10, timeoutMillis = 100)
public void testConcurrentExecutionSuccessWaitOnly100Millissecond(){
}
@Test(expected = RuntimeException.class)
@ConcurrentTest(requests = 3)
public void testConcurrentExecutionFail(){
throw new RuntimeException("Fail");
}
}
This is a open source project. Feel free to improve.
They are slightly different - the ETag does not have any information that the client can use to determine whether or not to make a request for that file again in the future. If ETag is all it has, it will always have to make a request. However, when the server reads the ETag from the client request, the server can then determine whether to send the file (HTTP 200) or tell the client to just use their local copy (HTTP 304). An ETag is basically just a checksum for a file that semantically changes when the content of the file changes.
The Expires header is used by the client (and proxies/caches) to determine whether or not it even needs to make a request to the server at all. The closer you are to the Expires date, the more likely it is the client (or proxy) will make an HTTP request for that file from the server.
So really what you want to do is use BOTH headers - set the Expires header to a reasonable value based on how often the content changes. Then configure ETags to be sent so that when clients DO send a request to the server, it can more easily determine whether or not to send the file back.
One last note about ETag - if you are using a load-balanced server setup with multiple machines running Apache you will probably want to turn off ETag generation. This is because inodes are used as part of the ETag hash algorithm which will be different between the servers. You can configure Apache to not use inodes as part of the calculation but then you'd want to make sure the timestamps on the files are exactly the same, to ensure the same ETag gets generated for all servers.
Yes, you can!
$ ln -sfn source_file_or_directory_name softlink_name
I just got this error message, and the problem was that I was not setting up my middleware properly.
I am building a blog in the MEAN stack and needed body parsing for the .jade files that I was using on the front end side. Here is the snippet of code from my "/middleware/index.js" file, from my project.
var express = require('express');
var morgan = require('morgan');
var session = require('express-session');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
module.exports = function (app) {
app.use(morgan('dev'));
// Good for now
// In the future, use connect-mongo or similar
// for persistant sessions
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: true
}));
app.use(cookieParser());
app.use(session({secret: 'building a blog', saveUninitialized: true, resave: true}));
Also, here is my "package.json" file, you may be using different versions of technologies. Note: because I am not sure of the dependencies between them, I am including the whole file here:
"dependencies": {
"body-parser": "1.12.3",
"consolidate": "0.12.1",
"cookie-parser": "1.3.4",
"crypto": "0.0.3",
"debug": "2.1.1",
"express": "4.12.2",
"express-mongoose": "0.1.0",
"express-session": "1.11.1",
"jade": "1.9.2",
"method-override": "2.3.2",
"mongodb": "2.0.28",
"mongoose": "4.0.2",
"morgan": "1.5.1",
"request": "2.55.0",
"serve-favicon": "2.2.0",
"swig": "1.4.2"
}
Hope this helps someone! All the best!
Yes you have another process bound to the same port.
TCPView (Windows only) from Windows Sysinternals is my favorite app whenever I have a JVM_BIND error. It shows which processes are listening on which port. It also provides a convenient context menu to either kill the process or close the connection that is getting in the way.
In addition to the very good points that others have made, I think there's another reason: what if the superclass does not have a superclass?
Since every class naturally extends (at least) Object
, super.whatever()
will always refer to a method in the superclass. But what if your class only extends Object
- what would super.super
refer to then? How should that behavior be handled - a compiler error, a NullPointer, etc?
I think the primary reason why this is not allowed is that it violates encapsulation, but this might be a small reason too.
The modular crypt format for bcrypt consists of
$2$
, $2a$
or $2y$
identifying the hashing algorithm and format$
.
, /
, 0
–9
, A
–Z
, a
–z
that is different to the standard Base 64 Encoding alphabet) consisting of:
Thus the total length is 59 or 60 bytes respectively.
As you use the 2a format, you’ll need 60 bytes. And thus for MySQL I’ll recommend to use the CHAR(60) BINARY
or BINARY(60)
(see The _bin and binary Collations for information about the difference).
CHAR
is not binary safe and equality does not depend solely on the byte value but on the actual collation; in the worst case A
is treated as equal to a
. See The _bin
and binary
Collations for more information.
actually this depends on what DBMS you are using but in regular SQL convert(varchar,DateColumn,101)
will change the DATETIME format to date (one day)
so:
SELECT
sum(amount)
FROM
sales
GROUP BY
convert(varchar,created,101)
the magix number 101
is what date format it is converted to
You can do the following. Add your ggplot code after the first line of code and end with dev.off()
.
tiff("test.tiff", units="in", width=5, height=5, res=300)
# insert ggplot code
dev.off()
res=300
specifies that you need a figure with a resolution of 300 dpi. The figure file named 'test.tiff' is saved in your working directory.
Change width
and height
in the code above depending on the desired output.
Note that this also works for other R
plots including plot
, image
, and pheatmap
.
Other file formats
In addition to TIFF, you can easily use other image file formats including JPEG, BMP, and PNG. Some of these formats require less memory for saving.
Try this:
Since you are fetching based on a single column value you can simplify your query likewise:
$reservations = Reservation::whereBetween('reservation_from', array($from, $to))->get();
Retrieve based on condition: laravel docs
Hope this helped.
Default user for MySQL is "root", and server "localhost".
General ? Appearance ? Colors and Fonts ? Java Editor text font
See the image:
2018 10 25. Update.
Notepad++ 7.5.8 does not have plugin manager by default. You have to download plugins manually.
Keep in mind, if you use 64 bit version of Notepad++, you should also use 64 bit version of plugin. I had a similar issue here.
Here is how I do it on iOS 9 in Swift -
import UIKit
class CustomView : UIView {
init() {
super.init(frame: UIScreen.mainScreen().bounds);
//for debug validation
self.backgroundColor = UIColor.blueColor();
print("My Custom Init");
return;
}
required init?(coder aDecoder: NSCoder) { fatalError("init(coder:) has not been implemented"); }
}
Here is a full project with example:
I've found the python inspect module to be very useful
For example with teststuff.py
import inspect
def dostuff():
return __name__
DOSTUFF_SOURCE = inspect.getsource(dostuff)
if __name__ == "__main__":
dostuff()
And from the another script or the python console
import teststuff
exec(DOSTUFF_SOURCE)
dostuff()
And now dostuff should be in the local scope and dostuff() will return the console or scripts _name_ whereas executing test.dostuff() will return the python modules name.
I came across your post as I was looking for a solution to the same problem for myself. I put together the following solution using a directive based on a number of posts. You can try it here (try resizing the browser window): http://jsfiddle.net/zbjLh/2/
View:
<div ng-app="miniapp" ng-controller="AppController" ng-style="style()" resize>
window.height: {{windowHeight}} <br />
window.width: {{windowWidth}} <br />
</div>
Controller:
var app = angular.module('miniapp', []);
function AppController($scope) {
/* Logic goes here */
}
app.directive('resize', function ($window) {
return function (scope, element) {
var w = angular.element($window);
scope.getWindowDimensions = function () {
return { 'h': w.height(), 'w': w.width() };
};
scope.$watch(scope.getWindowDimensions, function (newValue, oldValue) {
scope.windowHeight = newValue.h;
scope.windowWidth = newValue.w;
scope.style = function () {
return {
'height': (newValue.h - 100) + 'px',
'width': (newValue.w - 100) + 'px'
};
};
}, true);
w.bind('resize', function () {
scope.$apply();
});
}
})
FYI I originally had it working in a controller (http://jsfiddle.net/zbjLh/), but from subsequent reading found that this is uncool from Angular's perspective, so I have now converted it to use a directive.
Importantly, note the true
flag at the end of the 'watch' function, for comparing the getWindowDimensions return object's equality (remove or change to false if not using an object).
This Twilio blog page made on March 24, 2017 by Marcos Placona may be helpful.
Google Spreadsheets and .NET Core
It references Google.Api.Sheets.v4 and OAuth2.
New in the most recent version of Visual Studio, there is View --> Terminal, which will open a PowerShell instance as a VS dockable window, rather than a floating PowerShell or cmd instance from the Developer Command Prompt.
Oh, I have just the thing you need!
$host = "ftp://example.com/dir/";
$savePath = "downloadedFiles";
if($check = isFtpUp($host)){
echo $ip." -is alive<br />";
$check = trim($check);
$files = explode("\n",$check);
foreach($files as $n=>$file){
$file = trim($file);
if($file !== "." || $file !== ".."){
if(!saveFtpFile($file, $host.$file, $savePath)){
// downloading failed. possible reason: $file is a folder name.
// echo "Error downloading file.<br />";
}else{
echo "File: ".$file." - saved!<br />";
}
}else{
// do nothing
}
}
}else{
echo $ip." - is down.<br />";
}
and functions isFtpUp
and saveFtpFile
are as follows:
function isFtpUp($host){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $host);
curl_setopt($ch, CURLOPT_USERPWD, "anonymous:[email protected]");
curl_setopt($ch, CURLOPT_FTPLISTONLY, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 3);
$result = curl_exec($ch);
return $result;
}
function saveFtpFile( $targetFile = null, $sourceFile = null, $savePath){
// function settings
set_time_limit(60);
$timeout = 60;
$ftpuser = "anonymous";
$ftppassword = "[email protected]";
$savePath = "downloadedFiles"; // should exist!
$curl = curl_init();
$file = @fopen ($savePath.'/'.$targetFile, 'w');
if(!$file){
return false;
}
curl_setopt($curl, CURLOPT_URL, $sourceFile);
curl_setopt($curl, CURLOPT_USERPWD, $ftpuser.':'.$ftppassword);
// curl settings
// curl_setopt($curl, CURLOPT_FAILONERROR, 1);
// curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
curl_setopt($curl, CURLOPT_FILE, $file);
$result = curl_exec($curl);
if(!$result){
return false;
}
curl_close($curl);
fclose($file);
return $result;
}
EDIT:
it's a php script. save it as a .php file, put it on your webserver, change $ip to address(need not be ip) of ftp server you want to download files from, create a directory named downloadedFiles on the same directory as this file.
Check this list of seven uml tools for python
Put this in your server directive:
location /issue {
rewrite ^/issue(.*) http://$server_name/shop/issues/custom_issue_name$1 permanent;
}
Or duplicate it:
location /issue1 {
rewrite ^/.* http://$server_name/shop/issues/custom_issue_name1 permanent;
}
location /issue2 {
rewrite ^.* http://$server_name/shop/issues/custom_issue_name2 permanent;
}
...
In some case NTLM authentication still won't work if given the correct credential.
There's a mechanism which will void NTLM auth within WebClient, see here for more information: System.Net.WebClient doesn't work with Windows Authentication
If you're trying above answer and it's still not working, follow the above link to add registry to make the domain whitelisted.
Post this here to save other's time ;)
Note: the question was originally about compilation time, but later it turned out that the OP really meant execution time. But maybe this answer will still be useful for someone.
For Visual Studio: go to Tools / Options / Projects and Solutions / VC++ Project Settings
and set Build Timing
option to 'yes
'. After that the time of every build will be displayed in the Output window.
Modify the package you're using:
import org.apache.commons.codec.binary.Base64;
And then use it like this:
byte[] decoded = Base64.decodeBase64("YWJjZGVmZw==");
System.out.println(new String(decoded, "UTF-8") + "\n");
I can not add comment as of now so adding this as an answer.
@Andy's answer is good and the same results can be achieved with the following line of code:
tableView.tableFooterView = [UIView new];
'new' method belongs to NSObject
class and invokes alloc
and init
methods for UIView
.
You can throw your own custom errors by extending the Exception class.
class CustomException : Exception {
[string] $additionalData
CustomException($Message, $additionalData) : base($Message) {
$this.additionalData = $additionalData
}
}
try {
throw [CustomException]::new('Error message', 'Extra data')
} catch [CustomException] {
# NOTE: To access your custom exception you must use $_.Exception
Write-Output $_.Exception.additionalData
# This will produce the error message: Didn't catch it the second time
throw [CustomException]::new("Didn't catch it the second time", 'Extra data')
}
My five cents:
Both direction array of integers function.
When range(0, 5) become [0, 1, 2, 3, 4, 5]
.
And range(5, 0) become [5, 4, 3, 2, 1, 0]
.
Based on this answer.
function range(start, end) {
const isReverse = (start > end);
const targetLength = isReverse ? (start - end) + 1 : (end - start ) + 1;
const arr = new Array(targetLength);
const b = Array.apply(null, arr);
const result = b.map((discard, n) => {
return (isReverse) ? n + end : n + start;
});
return (isReverse) ? result.reverse() : result;
}
P.S. For use in real life you should also check args for isFinite()
and isNaN()
.
I believe that Mayras XML-approach can come in neat. However it is possible to make it more accurate, with one view only by setting the weightSum. I would not call this a hack anymore but in my opinion the most straightforward approach:
<LinearLayout android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:weightSum="1">
<ImageView android:layout_height="fill_parent"
android:layout_width="0dp"
android:layout_weight="0.5"/>
</LinearLayout>
Like this you can use any weight, 0.6 for instance (and centering) is the weight I like to use for buttons.
changing:
.ui-menu .ui-menu-item {
margin: 0;
padding: 0;
zoom: 1;
width: 100%;
}
to:
.ui-menu .ui-menu-item {
margin: 0;
padding: 0;
zoom: 1;
width: auto;
float:left;
}
should start you off.
1) Graphically intuitive way you can generate Gaussian random numbers is by using something similar to the Monte Carlo method. You would generate a random point in a box around the Gaussian curve using your pseudo-random number generator in C. You can calculate if that point is inside or underneath the Gaussian distribution using the equation of the distribution. If that point is inside the Gaussian distribution, then you have got your Gaussian random number as the x value of the point.
This method isn't perfect because technically the Gaussian curve goes on towards infinity, and you couldn't create a box that approaches infinity in the x dimension. But the Guassian curve approaches 0 in the y dimension pretty fast so I wouldn't worry about that. The constraint of the size of your variables in C may be more of a limiting factor to your accuracy.
2) Another way would be to use the Central Limit Theorem which states that when independent random variables are added, they form a normal distribution. Keeping this theorem in mind, you can approximate a Gaussian random number by adding a large amount of independent random variables.
These methods aren't the most practical, but that is to be expected when you don't want to use a preexisting library. Keep in mind this answer is coming from someone with little or no calculus or statistics experience.
I had similar problem. I was trying to display results of Analog to Digital value from a Char type Array. The problem was when I was turning the Pot to get lower voltage or lower converted decimal value like 5 from between (1023 - 0), the lift over characters from array was staying beside the number 5. I used this method to get rid of the problem:
LCD_Send_String(" "); \ used spaces as string characters LCD_Send_Command (LCD_THIRD_ROW); \Returned the cursor back at the start of line.
The first approach is building separate Django and React apps. Django will be responsible for serving the API built using Django REST framework and React will consume these APIs using the Axios client or the browser's fetch API. You'll need to have two servers, both in development and production, one for Django(REST API) and the other for React (to serve static files).
The second approach is different the frontend and backend apps will be coupled. Basically you'll use Django to both serve the React frontend and to expose the REST API. So you'll need to integrate React and Webpack with Django, these are the steps that you can follow to do that
First generate your Django project then inside this project directory generate your React application using the React CLI
For Django project install django-webpack-loader with pip:
pip install django-webpack-loader
Next add the app to installed apps and configure it in settings.py
by adding the following object
WEBPACK_LOADER = {
'DEFAULT': {
'BUNDLE_DIR_NAME': '',
'STATS_FILE': os.path.join(BASE_DIR, 'webpack-stats.json'),
}
}
Then add a Django template that will be used to mount the React application and will be served by Django
{ % load render_bundle from webpack_loader % }
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width" />
<title>Django + React </title>
</head>
<body>
<div id="root">
This is where React will be mounted
</div>
{ % render_bundle 'main' % }
</body>
</html>
Then add an URL in urls.py
to serve this template
from django.conf.urls import url
from django.contrib import admin
from django.views.generic import TemplateView
urlpatterns = [
url(r'^', TemplateView.as_view(template_name="main.html")),
]
If you start both the Django and React servers at this point you'll get a Django error saying the webpack-stats.json
doesn't exist. So next you need to make your React application able to generate the stats file.
Go ahead and navigate inside your React app then install webpack-bundle-tracker
npm install webpack-bundle-tracker --save
Then eject your Webpack configuration and go to config/webpack.config.dev.js
then add
var BundleTracker = require('webpack-bundle-tracker');
//...
module.exports = {
plugins: [
new BundleTracker({path: "../", filename: 'webpack-stats.json'}),
]
}
This add BundleTracker plugin to Webpack and instruct it to generate webpack-stats.json
in the parent folder.
Make sure also to do the same in config/webpack.config.prod.js
for production.
Now if you re-run your React server the webpack-stats.json
will be generated and Django will be able to consume it to find information about the Webpack bundles generated by React dev server.
There are some other things to. You can find more information from this tutorial.
Try this...
SqlCommand cmd = new SqlCommand( "Select * from Employee",con);
SqlDataReader dr = cmd.ExecuteReader( );
DataTable dt = new DataTable( "Employee" );
dt.Load( dr );
var Data = dt.AsEnumerable( );
var names = from emp in Data select emp.Field<String>( dt.Columns[1] );
foreach( var name in names )
{
Console.WriteLine( name );
}
use css :
input.upper { text-transform: uppercase; }
probably best to use the style, and convert serverside. There's also a jQuery plugin to force uppercase: http://plugins.jquery.com/plugin-tags/uppercase
Either you set LDAP_DOMAIN variable or you misconfigured it. Jump inside of ldap machine/container and run:
slapcat > backup.ldif
If it fails, check punctuation, quotes etc while you assigned variable "LDAP_DOMAIN" Otherwise you will find answer inside on backup.ldif file.
public static void duplicatesInteger(int arr[]){
Arrays.sort(arr);
int count=0;
Set s=new HashSet();
for(int i=0;i<=arr.length-1;i++){
for(int j=i+1;j<=arr.length-1;j++){
if(arr[i]==arr[j] && s.add(arr[i])){
count=count+1;
}
}
System.out.println(count);
}
}
Are you passing myClass out of a function, or expecting it to exist outside that function? As some others said, it is all about scope when you aren't allocating on the heap. When you leave the function, it goes away (eventually). One of the classic mistakes made by beginners is the attempt to create a local object of some class in a function and return it without allocating it on the heap. I can remember debugging this kind of thing back in my earlier days doing c++.
You have to import the following two libraries:
import java.util.*
import kotlin.concurrent.schedule
and after that use it in this way:
Timer().schedule(10000){
//do something
}
ERR_CACHE_MISS
error solutionyou just need add one line code <uses-permission android:name="android.permission.INTERNET"/>
in your app/src/main/AndroidManifest.xml
file as below screenshots shows.
After you get from Eclipse the ugly CheckoutConflictException, the Eclipse-Merge Tool button is disabled.
Git need alle your files added to the Index for enable Merging.
So, to merge your Changes and commit them you need to add your files first to the index "Add to Index" and "Commit" them without "Push". Then you should see one pending pull and one pending push request in Eclipse. You see that in one up arrow and one down arrow.
If all conflict Files are in the commit, you can "pull" again. Then you will see something like:
\< < < < < < < HEAD Server Version \======= Local Version > > > > > > > branch 'master' of ....git
Then you either change it by the Merge-Tool, which is now enable or just do the merge by hand direct in the file. In the last step, you have to add the modified files again to the index and "Commit and Push" them.
Checking done!
On Error Statement - Specifies that when a run-time error occurs, control goes to the statement immediately following the statement. How ever Err object got populated.(Err.Number, Err.Count etc)
I just put this
$result = mb_convert_encoding($result,'UTF-8','UTF-8');
$result = json_decode($result);
and it's working
<ul id="category-tabs">
<li><a href="javascript:void"><i class="fa fa-plus-circle"></i>Category 1</a>
<ul>
<li><a href="javascript:void">item 1</a></li>
<li><a href="javascript:void">item 2</a></li>
<li><a href="javascript:void">item 3</a></li>
</ul>
</li> </ul>
//Jquery
$(document).ready(function() {
$('li').click(function() {
$('i').toggleClass('fa-plus-square fa-minus-square');
});
});
Like in [a if condition1 else b for i in list1 if condition2]
, the two if
s with condition1
and condition2
doing two different things. The part (a if condition1 else b)
is from a lambda expression:
lambda x: a if condition1 else b
while the other condition2
is another lambda:
lambda x: condition2
Whole list comprehension can be regard as combination of map
and filter
:
map(lambda x: a if condition1 else b, filter(lambda x: condition2, list1))
import React from 'react'; <--as normal
import PropTypes from 'prop-types'; <--add this as a second line
App.propTypes = {
monkey: PropTypes.string, <--omit "React."
cat: PropTypes.number.isRequired <--omit "React."
};
Wrong: React.PropTypes.string
Right: PropTypes.string
Try with below code.
Like GridView in LinkButton, Label, HtmlAnchor and HtmlInputControl.
<asp:GridView ID="mainGrid" runat="server" AutoGenerateColumns="false" CssClass="table table-bordered table-hover tablesorter"
OnRowDataBound="mainGrid_RowDataBound" EmptyDataText="No Data Found.">
<Columns>
<asp:TemplateField HeaderText="HeaderName" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label runat="server" ID="lblName" Text=' <%# Eval("LabelName") %>'></asp:Label>
<asp:LinkButton ID="btnLink" runat="server">ButtonName</asp:LinkButton>
<a href="javascript:void(0);" id="btnAnchor" runat="server">ButtonName</a>
<input type="hidden" runat="server" id="hdnBtnInput" value='<%#Eval("ID") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
Handling RowDataBound event,
protected void mainGrid_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
Label lblName = (Label)e.Row.FindControl("lblName");
LinkButton btnLink = (LinkButton)e.Row.FindControl("btnLink");
HtmlAnchor btnAnchor = (HtmlAnchor)e.Row.FindControl("btnAnchor");
HtmlInputControl hdnBtnInput = (HtmlInputControl)e.Row.FindControl("hdnBtnInput");
}
}
In Activity A
private void startSwitcher() {
int yourInt = 200;
Intent myIntent = new Intent(A.this, B.class);
intent.putExtra("yourIntName", yourInt);
startActivity(myIntent);
}
in Activity B
int score = getIntent().getIntExtra("yourIntName", 0);
The reason why it is throwing the error is the object is disposed and after that we are trying to access the table values through the object, but object is disposed.Better to convert that into ToList() so that we can have values
Maybe it isn't actually getting the data until you use it (it is lazy loading), so dataContext doesn't exist when you are trying to do the work. I bet if you did the ToList() in scope it would be ok.
try
{
IQueryable<User> users;
var ret = null;
using (var dataContext = new dataContext())
{
users = dataContext.Users.Where(x => x.AccountID == accountId && x.IsAdmin == false);
if(users.Any())
{
ret = users.Select(x => x.ToInfo()).ToList();
}
}
Return ret;
}
catch (Exception ex)
{
...
}
Use proper escaping: string.split("\\|")
Or, in Java 5+, use the helper Pattern.quote()
which has been created for exactly this purpose:
string.split(Pattern.quote("|"))
which works with arbitrary input strings. Very useful when you need to quote / escape user input.
I am late for the answer but I think this is another solution which is not mentioned here so posting.
Step 1: Make a xml of menu which you want to add like I have to add a filter action on my action bar so I have created a xml filter.xml. The main line to notice is android:orderInCategory this will show the action icon at first or last wherever you want to show. One more thing to note down is the value, if the value is less then it will show at first and if value is greater then it will show at last.
filter.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools" >
<item
android:id="@+id/action_filter"
android:title="@string/filter"
android:orderInCategory="10"
android:icon="@drawable/filter"
app:showAsAction="ifRoom" />
</menu>
Step 2: In onCreate() method of fragment just put the below line as mentioned, which is responsible for calling back onCreateOptionsMenu(Menu menu, MenuInflater inflater) method just like in an Activity.
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
Step 3: Now add the method onCreateOptionsMenu which will be override as:
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
inflater.inflate(R.menu.filter, menu); // Use filter.xml from step 1
}
Step 4: Now add onOptionsItemSelected method by which you can implement logic whatever you want to do when you select the added action icon from actionBar:
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if(id == R.id.action_filter){
//Do whatever you want to do
return true;
}
return super.onOptionsItemSelected(item);
}
Try using rextract. It will let you extract text using a regular expression and reformat it.
Example:
$ echo "This is 02G05 a test string 20-Jul-2012" | ./rextract '([\d]+G[\d]+)' '${1}'
2G05
Following command will let you run something in the background without getting nohup.out:
nohup command |tee &
In this way, you will be able to get console output while running script on the remote server:
If you want to check contents are equal or not then just use JSON.stringify(obj)
Eg - var a ={key:val};
var b ={key:val};
JSON.stringify(a) == JSON.stringify(b) -----> If contents are same you gets true.
Firebase Remote Config is better.
Implementing Remote Config on Android
Adding the Remote Config dependancy
compile 'com.google.firebase:firebase-config:9.6.0'
Once done, we can then access the FirebaseRemoteConfig instance throughout our application where required:
FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
Retrieving Remote Config values
boolean someBoolean = firebaseRemoteConfig.getBoolean("some_boolean");
byte[] someArray = firebaseRemoteConfig.getByteArray("some_array");
double someDouble = firebaseRemoteConfig.getDouble("some_double");
long someLong = firebaseRemoteConfig.getLong("some_long");
String appVersion = firebaseRemoteConfig.getString("appVersion");
Fetch Server-Side values
firebaseRemoteConfig.fetch(cacheExpiration)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
mFirebaseRemoteConfig.activateFetched();
// We got our config, let's do something with it!
if(appVersion < CurrentVersion){
//show update dialog
}
} else {
// Looks like there was a problem getting the config...
}
}
});
Now once uploaded the new version to playstore, we have to update the version number inside firebase. Now if it is new version the update dialog will display
Since PHP 5.5, you can use array_column
:
$ids = array_column($users, 'id');
This is the preferred option on any modern project. However, if you must support PHP<5.5, the following alternatives exist:
Since PHP 5.3, you can use array_map
with an anonymous function, like this:
$ids = array_map(function ($ar) {return $ar['id'];}, $users);
Before (Technically PHP 4.0.6+), you must create an anonymous function with create_function
instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
Old question, I know, but all the responses seem to keep calling ps, which I didn't like.
This awk-based solution doesn't require recursion and only calls ps once.
awk 'BEGIN {
p=1390
while ("ps -o ppid,pid"|getline) a[$1]=a[$1]" "$2
o=1
while (o==1) {
o=0
split(p, q, " ")
for (i in q) if (a[q[i]]!="") {
p=p""a[q[i]]
o=1
a[q[i]]=""
}
}
system("kill -TERM "p)
}'
Or on a single-line:
awk 'BEGIN {p=1390;while ("ps -o ppid,pid"|getline) a[$1]=a[$1]" "$2;o=1;while (o==1) {o=0;split(p, q, " ");for (i in q) {if (a[q[i]]!="") {p=p""a[q[i]];o=1;a[q[i]]=""}}}system("kill -TERM "p)}'
Basically the idea is that we build up an array (a) of parent:child entries, then loop around the array finding children for our matching parents, adding them to our parents list (p) as we go.
If you don't want to kill the top-level process, then doing
sub(/[0-9]*/, "", p)
just before the system() line would remove it from the kill set.
Bear in mind that there is a race condition here, but that's true (as far as I can see) of all of the solutions. It does what I needed because the script I needed it for doesn't create lots of short-lived children.
An exercise for the reader would be to make it a 2-pass loop: after the first pass, send SIGSTOP to all processes in the p list, then loop to run ps again and after the second pass send SIGTERM, then SIGCONT. If you don't care about nice endings then second-pass could just be SIGKILL, I suppose.
Open your page in Firefox and get the HTTPFox addon. It will tell you all that you need.
Found this on archivist.incuito:
http://archivist.incutio.com/viewlist/css-discuss/76444
When you first request a page, your browser sends a GET request to the server, which returns the HTML to the browser. The browser then starts parsing the page (possibly before all of it has been returned).
When it finds a reference to an external entity such as a CSS file, an image file, a script file, a Flash file, or anything else external to the page (either on the same server/domain or not), it prepares to make a further GET request for that resource.
However the HTTP standard specifies that the browser should not make more than two concurrent requests to the same domain. So it puts each request to a particular domain in a queue, and as each entity is returned it starts the next one in the queue for that domain.
The time it takes for an entity to be returned depends on its size, the load the server is currently experiencing, and the activity of every single machine between the machine running the browser and the server. The list of these machines can in principle be different for every request, to the extent that one image might travel from the USA to me in the UK over the Atlantic, while another from the same server comes out via the Pacific, Asia and Europe, which takes longer. So you might get a sequence like the following, where a page has (in this order) references to three script files, and five image files, all of differing sizes:
- GET script1 and script2; queue request for script3 and images1-5.
- script2 arrives (it's smaller than script1): GET script3, queue images1-5.
- script1 arrives; GET image1, queue images2-5.
- image1 arrives, GET image2, queue images3-5.
- script3 fails to arrive due to a network problem - GET script3 again (automatic retry).
- image2 arrives, script3 still not here; GET image3, queue images4-5.
- image 3 arrives; GET image4, queue image5, script3 still on the way.
- image4 arrives, GET image5;
- image5 arrives.
- script3 arrives.
In short: any old order, depending on what the server is doing, what the rest of the Internet is doing, and whether or not anything has errors and has to be re-fetched. This may seem like a weird way of doing things, but it would quite literally be impossible for the Internet (not just the WWW) to work with any degree of reliability if it wasn't done this way.
Also, the browser's internal queue might not fetch entities in the order they appear in the page - it's not required to by any standard.
(Oh, and don't forget caching, both in the browser and in caching proxies used by ISPs to ease the load on the network.)
Pick it up again, in C# - added line for copying the attributes:
static XElement stripNS(XElement root)
{
XElement res = new XElement(
root.Name.LocalName,
root.HasElements ?
root.Elements().Select(el => stripNS(el)) :
(object)root.Value
);
res.ReplaceAttributes(
root.Attributes().Where(attr => (!attr.IsNamespaceDeclaration)));
return res;
}
YES the warning is backwards.
And in fact it shouldn't even be a warning in the first place. Because all this warning is saying (but backwards unfortunately) is that the CRLF characters in your file with Windows line endings will be replaced with LF's on commit. Which means it's normalized to the same line endings used by *nix and MacOS.
Nothing strange is going on, this is exactly the behavior you would normally want.
This warning in it's current form is one of two things:
;)
you just need to add disabled at the end
<input type="text" value="3" class="field left" disabled>
The reason your original code doesn't compile is that <? extends Serializable>
does not mean, "any class that extends Serializable," but "some unknown but specific class that extends Serializable."
For example, given the code as written, it is perfectly valid to assign new TreeMap<String, Long.class>()
to expected
. If the compiler allowed the code to compile, the assertThat()
would presumably break because it would expect Date
objects instead of the Long
objects it finds in the map.
when do you call timerReset()? Perhaps you get that error when trying to call it after setTimeout() has already done its thing?
wrap it in
if (window.myTimeout) {
clearTimeout(myTimeout);
myTimeout = setTimeout("timerDone()", 1000 * 1440);
}
edit: Actually, upon further reflection, since you did mention jQuery (and yet don't have any actual jQuery code here... I wonder if you have this nested within some jQuery (like inside a $(document).ready(..
and this is a matter of variable scope. If so, try this:
window.message="Logged in";
window.myTimeout = setTimeout("timerDone()",1000 * 1440);
function timerDone()
{
window.message="Logged out";
}
function timerReset()
{
clearTimeout(window.myTimeout);
window.myTimeout = setTimeout("timerDone()", 1000 * 1440);
}
java.math.BigInteger has a nextProbablePrime() method. Whilst I'm guessing this is meant for cryptography you could use it for you work.
BigInteger prime = BigInteger.valueOf(0);
for (int i = 0; i < n; i++) {
prime = prime.nextProbablePrime();
}
System.out.println(prime.intValue());
EG : COMPARE TO VILLAGE NAME
ALTER PROCEDURE POSMAST
(@COLUMN_NAME VARCHAR(50))
AS
SELECT * FROM TABLE_NAME
WHERE
village_name LIKE + @VILLAGE_NAME + '%';
The recommended approach is:
window.greeting = "Hello World!"
You can then access it within any function:
function foo() {
alert(greeting); // Hello World!
alert(window["greeting"]); // Hello World!
alert(window.greeting); // Hello World! (recommended)
}
This approach is preferred for two reasons.
The intent is explicit. The use of the var
keyword can easily lead to declaring global vars
that were intended to be local or vice versa. This sort of variable scoping is a point of confusion for a lot of Javascript developers. So as a general rule, I make sure all variable declarations are preceded with the keyword var
or the prefix window
.
You standardize this syntax for reading the variables this way as well which means that a locally scoped var
doesn't clobber the global var
or vice versa. For example what happens here is ambiguous:
greeting = "Aloha";
function foo() {
greeting = "Hello"; // overrides global!
}
function bar(greeting) {
alert(greeting);
}
foo();
bar("Howdy"); // does it alert "Hello" or "Howdy" ?
However, this is much cleaner and less error prone (you don't really need to remember all the variable scoping rules):
function foo() {
window.greeting = "Hello";
}
function bar(greeting) {
alert(greeting);
}
foo();
bar("Howdy"); // alerts "Howdy"
Thats the natural behavior of the buttons. You could try putting a max-width/max-height on the parent container, but I'm not sure if that would do it.
max-width:something px;
max-height:something px;
The other option would be to use the devlopr tools and see if you can remove the natural padding.
padding: 0;
Your service must answer an OPTIONS
request with headers like these:
Access-Control-Allow-Origin: [the same origin from the request]
Access-Control-Allow-Methods: GET, POST, PUT
Access-Control-Allow-Headers: [the same ACCESS-CONTROL-REQUEST-HEADERS from request]
Here is a good doc: http://www.html5rocks.com/en/tutorials/cors/#toc-adding-cors-support-to-the-server
"We can break the $.each() loop at a particular iteration by making the callback function return false. Returning non-false is the same as a continue statement in a for loop; it will skip immediately to the next iteration."
from http://api.jquery.com/jquery.each/
Yea, this is old BUT, JUST to answer the question, this can be a bit simpler:
function findXX(word) {_x000D_
$.each(someArray, function(index, value) {_x000D_
$('body').append('-> ' + index + ":" + value + '<br />');_x000D_
return !(value == word);_x000D_
});_x000D_
}_x000D_
$(function() {_x000D_
someArray = new Array();_x000D_
someArray[0] = 't5';_x000D_
someArray[1] = 'z12';_x000D_
someArray[2] = 'b88';_x000D_
someArray[3] = 's55';_x000D_
someArray[4] = 'e51';_x000D_
someArray[5] = 'o322';_x000D_
someArray[6] = 'i22';_x000D_
someArray[7] = 'k954';_x000D_
findXX('o322');_x000D_
});
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
_x000D_
A bit more with comments:
function findXX(myA, word) {_x000D_
let br = '<br />';//create once_x000D_
let myHolder = $("<div />");//get a holder to not hit DOM a lot_x000D_
let found = false;//default return_x000D_
$.each(myA, function(index, value) {_x000D_
found = (value == word);_x000D_
myHolder.append('-> ' + index + ":" + value + br);_x000D_
return !found;_x000D_
});_x000D_
$('body').append(myHolder.html());// hit DOM once_x000D_
return found;_x000D_
}_x000D_
$(function() {_x000D_
// no horrid global array, easier array setup;_x000D_
let someArray = ['t5', 'z12', 'b88', 's55', 'e51', 'o322', 'i22', 'k954'];_x000D_
// pass the array and the value we want to find, return back a value_x000D_
let test = findXX(someArray, 'o322');_x000D_
$('body').append("<div>Found:" + test + "</div>");_x000D_
});
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
_x000D_
NOTE: array .includes()
may better suit here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes
Or just .find()
to get that https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
1) The SQL server will have to utilize more resources (allocated memory and cpu time) when dealing with nvarchar(max) vs nvarchar(n) where n is a number specific to the field.
2) What does this mean in regards to performance?
On SQL Server 2005, I queried 13,000 rows of data from a table with 15 nvarchar(max) columns. I timed the queries repeatedly and then changed the columns to nvarchar(255) or less.
The queries prior to the optimization averaged at 2.0858 seconds. The queries after the change returned in an average of 1.90 seconds. That was about 184 milliseconds of improvement to the basic select * query. That is an 8.8% improvement.
3) My results are in concurrence with a few other articles that indicated that there was a performance difference. Depending on your database and the query, the percentage of improvement can vary. If you don't have a lot of concurrent users or very many records, then the performance difference won't be an issue for you. However, the performance difference will increase as more records and concurrent users increase.
Using collections.defaultdict
is a big time-saver when you're building dicts and don't know beforehand which keys you're going to have.
Here it's used twice: for the resulting dict, and for each of the values in the dict.
import collections
def aggregate_names(errors):
result = collections.defaultdict(lambda: collections.defaultdict(list))
for real_name, false_name, location in errors:
result[real_name][false_name].append(location)
return result
Combining this with your code:
dictionary = aggregate_names(previousFunction(string))
Or to test:
EXAMPLES = [
('Fred', 'Frad', 123),
('Jim', 'Jam', 100),
('Fred', 'Frod', 200),
('Fred', 'Frad', 300)]
print aggregate_names(EXAMPLES)
After installing git-extentions (http://gitextensions.github.io/) you can run .sh file from the command prompt. (No ./script.sh required, just run it like a bat/cmd file) Or you can run them in a "full" bash environment by using the MinGW Git bash shell.
I am not a great fan of Cygwin (yes I am sure it's really powerful), so running bash scripts on windows without having to install it perfect for me.
The solution proposed from superM worked for me for a long time, but lately I tested it on 4.2 (HTC One) and it stopped working there. I am aware that this is a workaround, but it was the only one which worked for me with all devices and versions.
According to the documentation, developers are asked to "use the system MediaStore" to send binary content. This, however, has the (dis-)advantage, that the media content will be saved permanently on the device.
If this is an option for you, you might want to grant permission WRITE_EXTERNAL_STORAGE
and use the system-wide MediaStore.
Bitmap icon = mBitmap;
Intent share = new Intent(Intent.ACTION_SEND);
share.setType("image/jpeg");
ContentValues values = new ContentValues();
values.put(Images.Media.TITLE, "title");
values.put(Images.Media.MIME_TYPE, "image/jpeg");
Uri uri = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI,
values);
OutputStream outstream;
try {
outstream = getContentResolver().openOutputStream(uri);
icon.compress(Bitmap.CompressFormat.JPEG, 100, outstream);
outstream.close();
} catch (Exception e) {
System.err.println(e.toString());
}
share.putExtra(Intent.EXTRA_STREAM, uri);
startActivity(Intent.createChooser(share, "Share Image"));
For several columns, You can put columns order what you want:
#['A', 'B', 'C'] <-this is your columns order
df = df[['C', 'B', 'A']]
This example shows sorting and slicing columns:
d = {'col1':[1, 2, 3], 'col2':[4, 5, 6], 'col3':[7, 8, 9], 'col4':[17, 18, 19]}
df = pandas.DataFrame(d)
You get:
col1 col2 col3 col4
1 4 7 17
2 5 8 18
3 6 9 19
Then do:
df = df[['col3', 'col2', 'col1']]
Resulting in:
col3 col2 col1
7 4 1
8 5 2
9 6 3
As of JDK6U18 following are configurations for the Heap Size.
In the Client JVM, the default Java heap configuration has been modified to improve the performance of today's rich client applications. Initial and maximum heap sizes are larger and settings related to generational garbage collection are better tuned.
The default maximum heap size is half of the physical memory up to a physical memory size of 192 megabytes and otherwise one fourth of the physical memory up to a physical memory size of 1 gigabyte. For example, if your machine has 128 megabytes of physical memory, then the maximum heap size is 64 megabytes, and greater than or equal to 1 gigabyte of physical memory results in a maximum heap size of 256 megabytes. The maximum heap size is not actually used by the JVM unless your program creates enough objects to require it. A much smaller amount, termed the initial heap size, is allocated during JVM initialization. This amount is at least 8 megabytes and otherwise 1/64 of physical memory up to a physical memory size of 1 gigabyte.
Source : http://www.oracle.com/technetwork/java/javase/6u18-142093.html
Just to improve on the answers above i have included Views as well and Concatenated the Schema and Table/View together making the Results more apparent.
DECLARE @COLUMNNAME AS VARCHAR(100);
SET @COLUMNNAME = '%Absence%';
SELECT CASE
WHEN [T].[NAME] IS NULL
THEN 'View'
WHEN [T].[NAME] = ''
THEN 'View'
ELSE 'Table'
END AS [TYPE], '[' + [S].[NAME] + '].' + '[' + CASE
WHEN [T].[NAME] IS NULL
THEN [V].[NAME]
WHEN [T].[NAME] = ''
THEN [V].[NAME]
ELSE [T].[NAME]
END + ']' AS [TABLE], [C].[NAME] AS [COLUMN]
FROM [SYS].[SCHEMAS] AS [S] LEFT JOIN [SYS].[TABLES] AS [T] ON [S].SCHEMA_ID = [T].SCHEMA_ID
LEFT JOIN [SYS].[VIEWS] AS [V] ON [S].SCHEMA_ID = [V].SCHEMA_ID
INNER JOIN [SYS].[COLUMNS] AS [C] ON [T].OBJECT_ID = [C].OBJECT_ID
OR
[V].OBJECT_ID = [C].OBJECT_ID
INNER JOIN [SYS].[TYPES] AS [TY] ON [C].[SYSTEM_TYPE_ID] = [TY].[SYSTEM_TYPE_ID]
WHERE [C].[NAME] LIKE @COLUMNNAME
GROUP BY '[' + [S].[NAME] + '].' + '[' + CASE
WHEN [T].[NAME] IS NULL
THEN [V].[NAME]
WHEN [T].[NAME] = ''
THEN [V].[NAME]
ELSE [T].[NAME]
END + ']', [T].[NAME], [C].[NAME], [S].[NAME]
ORDER BY '[' + [S].[NAME] + '].' + '[' + CASE
WHEN [T].[NAME] IS NULL
THEN [V].[NAME]
WHEN [T].[NAME] = ''
THEN [V].[NAME]
ELSE [T].[NAME]
END + ']', CASE
WHEN [T].[NAME] IS NULL
THEN 'View'
WHEN [T].[NAME] = ''
THEN 'View'
ELSE 'Table'
END, [T].[NAME], [C].[NAME];
For those times when you need to use jquery to set !important properties, here is a plugin I build that will allow you to do so.
$.fn.important = function(key, value) {
var q = Object.assign({}, this.style)
q[key] = `${value} !important`;
$(this).css("cssText", Object.entries(q).filter(x => x[1]).map(([k, v]) => (`${k}: ${v}`)).join(';'));
};
$('div').important('color', 'red');
Let's say you have a column 'birth_day' in your table which is in string format, you should use the following query to filter using birth_day
date_Format(birth_day, 'yyyy-MM-dd')
You can use it in a query in the following way
select * from yourtable
where
date_Format(birth_day, 'yyyy-MM-dd') = '2019-04-16';
To get started , just to view something in Recycler view
recycler view adapter can be something like this.
class CustomAdapter: RecyclerView.Adapter<CustomAdapter.ViewHolder>() {
var data = listOf<String>()
set(value) {
field = value
notifyDataSetChanged()
}
override fun getItemCount() =data.size
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
holder.txt.text= data[position]
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
return ViewHolder(
LayoutInflater.from(parent.context).inflate(R.layout.item_view, parent, false)
)
}
class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView){
val txt: TextView = itemView.findViewById(R.id.item_text_view)
}
}
and to attach the adapter to the recycler view and to attach data to adapter
val view = findViewById<RecyclerView>(R.id.recycler_view)
val adapter = CustomAdapter()
val data = listOf("text1", "text2", "text3")
adapter.data = data
view.layoutManager = LinearLayoutManager(this, RecyclerView.VERTICAL, false)
view.adapter = adapter
It's now possible to add a forced line break
with two blank spaces at the end of the line:
line1??
line2
will be formatted as:
line1
line2
The %b
option of sprintf() will convert a boolean to an integer:
echo sprintf("False will print as %b", false); //False will print as 0
echo sprintf("True will print as %b", true); //True will print as 1
If you're not familiar with it: You can give this function an arbitrary amount of parameters while the first one should be your ouput string spiced with replacement strings like %b
or %s
for general string replacement.
Each pattern will be replaced by the argument in order:
echo sprintf("<h1>%s</h1><p>%s<br/>%s</p>", "Neat Headline", "First Line in the paragraph", "My last words before this demo is over");
Even if the following proposal should not be considered as a final solution you can achieve the goal by doing something like this:
SET SESSION group_concat_max_len = 1000000;
SET @search = 'Text_To_Search';
DROP table IF EXISTS table1;
CREATE TEMPORARY TABLE table1 AS
(SELECT
CONCAT('SELECT \'',TABLE_NAME,'\' as \'table_name\',\'',COLUMN_NAME,'\' as \'column_name\',CONVERT(count(*),char) as \'matches\' FROM `',
TABLE_NAME,'` where `',COLUMN_NAME,'` like \'%',@search,'%\' UNION ') as 'query'
FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'db_name' limit 1000000);
set @query = (SELECT GROUP_CONCAT(t1.`query` SEPARATOR '') as 'final_query' from table1 t1 limit 1);
set @query = (SELECT SUBSTRING(@query, 1, length(@query) - 7));
PREPARE stmt FROM @query;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
Please remember that:
Options: group_concat_max_len and limit 1000000 not always are needed, it will depends of your server/IDE configuration. Just in case I added them.
After executing this you will get a 3 column response: [table_name], [column_name], [matches]
Column 'matches' is the number of occurrences in the given table/column.
This query is very fast.
DISCLAIMER: It would be useful only for personal use, in other words please don't use it in a production system, because it is sensitive to SQL Injection attacks given that the search parameter is concatenated with other strings. If you want to create a prod. ready function, then you will need to create a store procedure with a LOOP.
If the client quota is exceeded it is a server error, avoid 5xx in this instance.
I think this is because you are using client software and not the server.
mysql
is client mysqld
is the serverTry:
sudo service mysqld start
To check that service is running use: ps -ef | grep mysql | grep -v grep
.
Uninstalling:
sudo apt-get purge mysql-server
sudo apt-get autoremove
sudo apt-get autoclean
Re-Installing:
sudo apt-get update
sudo apt-get install mysql-server
Backup entire folder before doing this:
sudo rm /etc/apt/apt.conf.d/50unattended-upgrades*
sudo apt-get update
sudo apt-get upgrade
If you know the extension, you can use basename
$ basename /home/jsmith/base.wiki .wiki
base
If you have a text as
var sampleText ="ä_öü_ßÄ_ TESTED Ö_Ü!@#$%^&())(&&++===.XYZ"
To replace all special character (!@#$%^&())(&&++= ==.) without replacing the characters(including umlaut)
Use below regex
sampleText = sampleText.replace(/[`~!@#$%^&*()|+-=?;:'",.<>{}[]\/\s]/gi,'');
OUTPUT : sampleText = "ä_öü_ßÄ____TESTED_Ö_Ü_____________________XYZ"
This would replace all with an underscore which is provided as second argument to the replace function.You can add whatever you want as per your requirement
Anyone working on Jupyter Notebook to print DataFrame without index column, this worked for me:
display(table.hide_index())
The other answers on this work, but if you want to avoid having to remember command line arguments, you can also just add to the downloadSources and downloadJavadocs config to the maven-eclipse-plugin section of your pom.xml:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
... other stuff ...
</configuration>
</plugin>
</plugins>
</build>
...
</project>
The simplest way is just to accept the incoming request, and pull out the variables you want in the Controller:
Route::get('search', ['as' => 'search', 'uses' => 'SearchController@search']);
and then in SearchController@search
:
class SearchController extends BaseController {
public function search()
{
$category = Input::get('category', 'default category');
$term = Input::get('term', false);
// do things with them...
}
}
Usefully, you can set defaults in Input::get()
in case nothing is passed to your Controller's action.
As joe_archer says, it's not necessary to put these terms into the URL, and it might be better as a POST (in which case you should update your call to Form::open()
and also your search route in routes.php - Input::get()
remains the same)
You could use a VBA script that changes the conditional formatting of a selection (you might have to adjust the condition & formatting accordingly):
For Each i In Selection
i.FormatConditions.Delete
i.FormatConditions.Add Type:=xlCellValue, Operator:=xlLess, Formula1:="=" & i.Offset(0, -1).Address
With i.FormatConditions(1).Font
.Bold = True
End With
Next i
'\r' = carriage return and '\n' = line feed.
In fact, there are some different behaviors when you use them in different OSes. On Unix it is '\n', but it is '\r''\n' on Windows.
Just do this. It doesn't affect the horizontal position.
.test {
position: fixed;
left: 0;
right: 0;
}
You want to convert it to an object first and then access normally making sure to cast it.
JObject obj = JObject.Parse(json);
string name = (string) obj["Name"];
I had this problem when using X2Go. The problem happened in a folder that was shared between the remote computer and my local PC.
Solution: cd out of that folder and in again. That fixed it.
It needs to set same Security level in all zones. To do that follow the steps below:
Finally, set Zoom level to 100% by right clicking on the gear located at the top right corner and enabling the status-bar. Default zoom level is now displayed at the lower right.
If you are using anaconda to go into python environment you should have build up different environment for different python version
The following scripts may help you build up a new environment(running in anaconda prompt)
conda create -n py27 python=2.7 #for version 2.7
activate py27
conda create -n py36 python=3.6 #for version 3.6
activate py36
you may leave the environment back to your global env by typing
deactivate py27
or
deactivate py36
and then you can either switch to different environment using your anaconda UI with @Francisco Camargo 's answer
or you can stick to anaconda prompt using @Dan 's answer
This is the most simple solution that use:
// Use this as first line upon load of page
$sort = $_GET['s'];
// Then simply sort according to that variable
$sql="SELECT * FROM tracks ORDER BY $sort";
echo '<tr>';
echo '<td><a href="report_tracks.php?s=title">Title</a><td>';
echo '<td><a href="report_tracks.php?s=album">Album</a><td>';
echo '<td><a href="report_tracks.php?s=artist">Artist</a><td>';
echo '<td><a href="report_tracks.php?s=count">Count</a><td>';
echo '</tr>';
Instead Of using find(), One of the easy way is the Use of 'in' as above.
if 'substring' is present in 'str' then if part will execute otherwise else part will execute.
numpy.ndarray
can contain any type of element, e.g. int
, float
, string
etc. Check the type an do a conversion if neccessary.
In case you are using fish shell
and do not want to add to $path
for security reason. We can add the below function to run local node executables.
### run executables in node_module/.bin directory
function n
set -l npmbin (npm bin)
set -l argvCount (count $argv)
switch $argvCount
case 0
echo please specify the local node executable as 1st argument
case 1
# for one argument, we can eval directly
eval $npmbin/$argv
case '*'
set --local executable $argv[1]
# for 2 or more arguments we cannot append directly after the $npmbin/ since the fish will apply each array element after the the start string: $npmbin/arg1 $npmbin/arg2...
# This is just how fish interoperate array.
set --erase argv[1]
eval $npmbin/$executable $argv
end
end
Now you can run thing like:
n coffee
or more arguments like:
n browser-sync --version
Note, if you are bash
user, then @Bob9630 answers is the way to go by leveraging bash's $@
, which is not available in fishshell
.
With two capturing groups would have been also possible; I would have also included two dashes, as additional left and right boundaries, before and after the digits, and the modified expression would have looked like:
(.*name=".+_)\d+(_[^"]+".*)
const regex = /(.*name=".+_)\d+(_[^"]+".*)/g;_x000D_
const str = `some_data_before name="some_text_0_some_text" and then some_data after`;_x000D_
const subst = `$1!NEW_ID!$2`;_x000D_
const result = str.replace(regex, subst);_x000D_
console.log(result);
_x000D_
If you wish to explore/simplify/modify the expression, it's been explained on the top right panel of regex101.com. If you'd like, you can also watch in this link, how it would match against some sample inputs.
jex.im visualizes regular expressions:
Whereas @jbarrueta answer is perfect, in the 2.12 version of Jackson was introduced a new long-awaited type for the @JsonTypeInfo
annotation, DEDUCTION
.
It is useful for the cases when you have no way to change the incoming json or must not do so. I'd still recommend to use use = JsonTypeInfo.Id.NAME
, as the new way may throw an exception in complex cases when it has no way to determine which subtype to use.
Now you can simply write
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
@JsonIgnoreProperties(ignoreUnknown = true)
@JsonTypeInfo(use = JsonTypeInfo.Id.DEDUCTION)
@JsonSubTypes({
@JsonSubTypes.Type(Dog.class),
@JsonSubTypes.Type(Cat.class) }
)
public abstract class Animal {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
And it will produce {"name":"ruffus", "breed":"english shepherd"}
and {"name":"goya", "favoriteToy":"mice"}
Once again, it's safer to use NAME
if some of the fields may be not present, like breed
or favoriteToy
.
You can try this one
img{
max-height:500px;
max-width:500px;
height:auto;
width:auto;
}
This keeps the aspect ratio of the image and prevents either the two dimensions exceed 500px
You can check this post
Well if you want to look into this differently, you just need to know what are options does the React has that non exhaustive-deps
? One of the reason you should not use a closure function inside the effect is on every render, it will be re-created/destroy again.
So there are multiple React methods in hooks that is considered stable and non-exhausted where you do not have to apply to the useEffect
dependencies, and in turn will not break the rules engagement of react-hooks/exhaustive-deps
. For example the second return variable of useReducer
or useState
which is a function.
const [,dispatch] = useReducer(reducer, {});
useEffect(() => {
dispatch(); // non-exhausted, eslint won't nag about this
}, []);
So in turn you can have all your external dependencies together with your current dependencies coexist together within your reducer function.
const [,dispatch] = useReducer((current, update) => {
const { foobar } = update;
// logic
return { ...current, ...update };
}), {});
const [foobar, setFoobar] = useState(false);
useEffect(() => {
dispatch({ foobar }); // non-exhausted `dispatch` function
}, [foobar]);
You can try with this code - based on Rows.Add method
DataTable table = new DataTable();
DataRow row = table.NewRow();
table.Rows.Add(row);
Link : https://msdn.microsoft.com/en-us/library/9yfsd47w.aspx
for refresh my table I do this:
In my ControllerA who named RequisicionesController
I do this
@FXML public TableView<Requisiciones> reqtable;
public TableView<Requisiciones> getReqtable() {
return reqtable;
}
public void setReqtable(TableView<Requisiciones> reqtable) {
this.reqtable = reqtable;
}
in the FXML loader I get ControllerB who also named RevisionReqController
RevisionReqController updateReq = cargarevisionreq.<RevisionReqController>getController();
RequisicionesController.this.setReqtable(selecciondedatosreq());
updateReq.setGetmodeltable(RequisicionesController.this.getReqtable());
in my ControllerB I do this:
public TableView<Requisiciones> getmodeltable;
public TableView<Requisiciones> getGetmodeltable() {
return getmodeltable;
}
public void setGetmodeltable(TableView<Requisiciones> getmodeltable) {
this.getmodeltable = getmodeltable;
}
then:
public void refresh () {
mybutton.setonMouseClicked(e -> {
ObservableList<Requisiciones> datostabla = FXCollections.observableArrayList();
try {
// rest of code
String Query= " select..";
PreparedStatement pss =Conexion.prepareStatement(Query);
ResultSet rs = pss.executeQuery();
while(rs.next()) {
datostabla.add(new Requisiciones(
// al requisiciones data
));
}
RevisionReqController.this.getGetmodeltable().getItems().clear();
RevisionReqController.this.getGetmodeltable().setItems(datostabla);
} catch(Exception ee) {
//my message here
}
}
so in my controllerA I just load the table with setCellValueFactory , that's its all.
My model has a boolean that has to be nullable
Why? This doesn't make sense. A checkbox has two states: checked/unchecked, or True/False if you will. There is no third state.
Or wait you are using your domain models in your views instead of view models? That's your problem. So the solution for me is to use a view model in which you will define a simple boolean property:
public class MyViewModel
{
public bool Foo { get; set; }
}
and now you will have your controller action pass this view model to the view and generate the proper checkbox.
Just combine them. I think this should work but it's untested:
p <- ggplot(visual1, aes(ISSUE_DATE,COUNTED)) + geom_point() +
geom_smooth(fill="blue", colour="darkblue", size=1)
p <- p + geom_point(data=visual2, aes(ISSUE_DATE,COUNTED)) +
geom_smooth(data=visual2, fill="red", colour="red", size=1)
print(p)
c functions below only ... c++ you have to do char array then use a string copy then user the string tokenizor functions... c++ made it a-lot harder to do anythng
#include <iostream>
#include <fstream>
#include <cstring>
#define TRUE 1
#define FALSE 0
typedef int Bool;
using namespace std;
Bool PalTrueFalse(char str[]);
int main(void)
{
char string[1000], ch;
int i = 0;
cout<<"Enter a message: ";
while((ch = getchar()) != '\n') //grab users input string untill
{ //Enter is pressed
if (!isspace(ch) && !ispunct(ch)) //Cstring functions checking for
{ //spaces and punctuations of all kinds
string[i] = tolower(ch);
i++;
}
}
string[i] = '\0'; //hitting null deliminator once users input
cout<<"Your string: "<<string<<endl;
if(PalTrueFalse(string)) //the string[i] user input is passed after
//being cleaned into the null function.
cout<<"is a "<<"Palindrome\n"<<endl;
else
cout<<"Not a palindrome\n"<<endl;
return 0;
}
Bool PalTrueFalse(char str[])
{
int left = 0;
int right = strlen(str)-1;
while (left<right)
{
if(str[left] != str[right]) //comparing most outer values of string
return FALSE; //to inner values.
left++;
right--;
}
return TRUE;
}
How about this one?
SELECT TO_CHAR(ASOFDATE, 'YYYY') FROM PSASOFDATE
Make sure your AUTO_INCREMENT
is not out of range. In that case, set a new value for it with:
ALTER TABLE table_name AUTO_INCREMENT=100 -- Change 100 to the desired number
AUTO_INCREMENT
can contain a number that is bigger than the maximum value allowed by the datatype. This can happen if you filled up a table that you emptied afterward but the AUTO_INCREMENT
stayed the same, but there might be different reasons as well. In this case a new entry's id would be out of range.
If this is the cause of your problem, you can fix it by setting AUTO_INCREMENT
to one bigger than the latest row's id. So if your latest row's id is 100 then:
ALTER TABLE table_name AUTO_INCREMENT=101
If you would like to check AUTO_INCREMENT
's current value, use this command:
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'DatabaseName'
AND TABLE_NAME = 'TableName';
How about a very simple method
+call your while loop in a function
- set your value inside (nonsense, but shows the example)
- return your value inside
+capture your value outside
+set outside
+display outside
#!/bin/bash
# set -e
# set -u
# No idea why you need this, not using here
foo=0
bar="hello"
if [[ "$bar" == "hello" ]]
then
foo=1
echo "Setting \$foo to $foo"
fi
echo "Variable \$foo after if statement: $foo"
lines="first line\nsecond line\nthird line"
function my_while_loop
{
echo -e $lines | while read line
do
if [[ "$line" == "second line" ]]
then
foo=2; return 2;
echo "Variable \$foo updated to $foo inside if inside while loop"
fi
echo -e $lines | while read line
do
if [[ "$line" == "second line" ]]
then
foo=2;
echo "Variable \$foo updated to $foo inside if inside while loop"
return 2;
fi
# Code below won't be executed since we returned from function in 'if' statement
# We aready reported the $foo var beint set to 2 anyway
echo "Value of \$foo in while loop body: $foo"
done
}
my_while_loop; foo="$?"
echo "Variable \$foo after while loop: $foo"
Output:
Setting $foo 1
Variable $foo after if statement: 1
Value of $foo in while loop body: 1
Variable $foo after while loop: 2
bash --version
GNU bash, version 3.2.51(1)-release (x86_64-apple-darwin13)
Copyright (C) 2007 Free Software Foundation, Inc.
This question already has a great answer, but I ran into the same error, in a different scenario: displaying a List
in an EditorTemplate.
I have a model like this:
public class Foo
{
public string FooName { get; set; }
public List<Bar> Bars { get; set; }
}
public class Bar
{
public string BarName { get; set; }
}
And this is my main view:
@model Foo
@Html.TextBoxFor(m => m.Name, new { @class = "form-control" })
@Html.EditorFor(m => m.Bars)
And this is my Bar EditorTemplate (Bar.cshtml)
@model List<Bar>
<div class="some-style">
@foreach (var item in Model)
{
<label>@item.BarName</label>
}
</div>
And I got this error:
The model item passed into the dictionary is of type 'Bar', but this dictionary requires a model item of type 'System.Collections.Generic.List`1[Bar]
The reason for this error is that EditorFor
already iterates the List
for you, so if you pass a collection to it, it would display the editor template once for each item in the collection.
This is how I fixed this problem:
Brought the styles outside of the editor template, and into the main view:
@model Foo
@Html.TextBoxFor(m => m.Name, new { @class = "form-control" })
<div class="some-style">
@Html.EditorFor(m => m.Bars)
</div>
And changed the EditorTemplate (Bar.cshtml) to this:
@model Bar
<label>@Model.BarName</label>
Tested below for Linux: You can directly download pip from https://pypi.org/simple/pip/ untar and use directly with your latest python.
tar -xvf pip-0.2.tar.gz
cd pip-0.2
Check for the contents.
anant$ ls
docs pip.egg-info pip-log.txt pip.py PKG-INFO regen-docs scripts setup.cfg setup.py tests
Execute directly:
anant$ python pip.py --help
Usage: pip.py COMMAND [OPTIONS]
Options:
--version show program's version number and exit
-h, --help show this help message and exit
-E DIR, --environment=DIR
virtualenv environment to run pip in (either give the
interpreter or the environment base directory)
-v, --verbose Give more output
-q, --quiet Give less output
--log=FILENAME Log file where a complete (maximum verbosity) record
will be kept
--proxy=PROXY Specify a proxy in the form
user:[email protected]:port. Note that the
user:password@ is optional and required only if you
are behind an authenticated proxy. If you provide
[email protected]:port then you will be prompted for a
password.
--timeout=SECONDS Set the socket timeout (default 15 seconds)
Suprisingly these 3 steps helped me:
mvn clean
mvn package
mvn spring-boot:run
You can also get them with pure javascript.
For example:
new URL(location.href).searchParams.get('page')
For this url: websitename.com/user/?page=1, it would return a value of 1
I created a routing class to handle dynamic navigation and keep clean AppDelegate class, I hope it will help other too.
//
// Routing.swift
//
//
// Created by Varun Naharia on 02/02/17.
// Copyright © 2017 TechNaharia. All rights reserved.
//
import Foundation
import UIKit
import CoreLocation
class Routing {
class func decideInitialViewController(window:UIWindow){
let userDefaults = UserDefaults.standard
if((Routing.getUserDefault("isFirstRun")) == nil)
{
Routing.setAnimatedAsInitialViewContoller(window: window)
}
else if((userDefaults.object(forKey: "User")) != nil)
{
Routing.setHomeAsInitialViewContoller(window: window)
}
else
{
Routing.setLoginAsInitialViewContoller(window: window)
}
}
class func setAnimatedAsInitialViewContoller(window:UIWindow) {
Routing.setUserDefault("Yes", KeyToSave: "isFirstRun")
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let animatedViewController: AnimatedViewController = mainStoryboard.instantiateViewController(withIdentifier: "AnimatedViewController") as! AnimatedViewController
window.rootViewController = animatedViewController
window.makeKeyAndVisible()
}
class func setHomeAsInitialViewContoller(window:UIWindow) {
let userDefaults = UserDefaults.standard
let decoded = userDefaults.object(forKey: "User") as! Data
User.currentUser = NSKeyedUnarchiver.unarchiveObject(with: decoded) as! User
if(User.currentUser.userId != nil && User.currentUser.userId != "")
{
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let homeViewController: HomeViewController = mainStoryboard.instantiateViewController(withIdentifier: "HomeViewController") as! HomeViewController
let loginViewController: UINavigationController = mainStoryboard.instantiateViewController(withIdentifier: "LoginNavigationViewController") as! UINavigationController
loginViewController.viewControllers.append(homeViewController)
window.rootViewController = loginViewController
}
window.makeKeyAndVisible()
}
class func setLoginAsInitialViewContoller(window:UIWindow) {
let mainStoryboard: UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
let loginViewController: UINavigationController = mainStoryboard.instantiateViewController(withIdentifier: "LoginNavigationViewController") as! UINavigationController
window.rootViewController = loginViewController
window.makeKeyAndVisible()
}
class func setUserDefault(_ ObjectToSave : Any? , KeyToSave : String)
{
let defaults = UserDefaults.standard
if (ObjectToSave != nil)
{
defaults.set(ObjectToSave, forKey: KeyToSave)
}
UserDefaults.standard.synchronize()
}
class func getUserDefault(_ KeyToReturnValye : String) -> Any?
{
let defaults = UserDefaults.standard
if let name = defaults.value(forKey: KeyToReturnValye)
{
return name as Any
}
return nil
}
class func removetUserDefault(_ KeyToRemove : String)
{
let defaults = UserDefaults.standard
defaults.removeObject(forKey: KeyToRemove)
UserDefaults.standard.synchronize()
}
}
And in your AppDelegate call this
self.window = UIWindow(frame: UIScreen.main.bounds)
Routing.decideInitialViewController(window: self.window!)
Although this is an old question, to support answer by user187291
In case of fixed length of desired substring I would use substr()
with negative argument for its short and readable syntax
"xxx_456".substr(-3)
For now it is compatible with common browsers and not yet strictly deprecated.
You can use this -
let array2d = [[1, 2, 3], [5, 4], [7, 8]];
let array1d = array2d.reduce((merged, block) => {
merged.push(...block);
return merged;
}, []);
console.log(array1d); // [1, 2, 3, 5, 4, 7, 8]
OR this which I liked from one of the answers above -
let array2d = [[1, 2, 3], [5, 4], [7, 8]];
console.log([].concat(...array2d)); // [1, 2, 3, 5, 4, 7, 8]
OR this which I discovered -
let array2d = [[1, 2, 3], [5, 4], [7, 8]];
console.log(array2d.join().split(',').map(Number); // [1, 2, 3, 5, 4, 7, 8]
Though this question is very old but as a new in Software Development I can't stop my self to share what I have learnt :D
Creation of Stored Procedure:
CREAET PROC usp_ValidateUSer
(
@UserName nVARCHAR(50),
@Password nVARCHAR(50)
)
AS
BEGIN
IF EXISTS(SELECT '#' FROM Users WHERE Username=@UserName AND Password=@Password)
BEGIN
SELECT u.UserId, u.Username, r.UserRole
FROM Users u
INNER JOIN UserRoles r
ON u.UserRoleId=r.UserRoleId
END
END
Execution of Stored Procedure:
(If you want to test the execution of Stored Procedure in SQL)
EXEC usp_ValidateUSer @UserName='admin', @Password='admin'
Th Output:
If lib/__init__.py
defines the Helper class then in settings.py you can use:
from . import Helper
This works because . is the current directory, and acts as a synonym for the lib package from the point of view of the settings module. Note that it is not necessary to export Helper via __all__
.
(Confirmed with python 2.7.10, running on Windows.)
Using the auto operator really makes it easy to use as one does not have to worry about the data type and the size of the vector or any other data structure
Iterating vector using auto and for loop
vector<int> vec = {1,2,3,4,5}
for(auto itr : vec)
cout << itr << " ";
Output:
1 2 3 4 5
You can also use this method to iterate sets and list. Using auto automatically detects the data type used in the template and lets you use it.
So, even if we had a vector
of string
or char
the same syntax will work just fine
Use snprintf()
from stdlib.h
. Worked for me.
double num = 123412341234.123456789;
char output[50];
snprintf(output, 50, "%f", num);
printf("%s", output);
Just give an id
to the element and process it normally eg:
<div id="dv">
<a href="#"></a>
<span></span>
</div>
Now you can do like:
var div = document.getElementById('dv');
div.appendChild(......);
Or with jQuery:
$('#dv').get(0).appendChild(........);
This is the best solution I have found till now. Updates the ngModel
on blur
and debounce
import { Directive, Input, Output, EventEmitter,ElementRef } from '@angular/core';
import { NgControl, NgModel } from '@angular/forms';
import 'rxjs/add/operator/debounceTime';
import 'rxjs/add/operator/distinctUntilChanged';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/fromEvent';
import 'rxjs/add/operator/map';
@Directive({
selector: '[ngModel][debounce]',
})
export class DebounceDirective {
@Output()
public onDebounce = new EventEmitter<any>();
@Input('debounce')
public debounceTime: number = 500;
private isFirstChange: boolean = true;
constructor(private elementRef: ElementRef, private model: NgModel) {
}
ngOnInit() {
const eventStream = Observable.fromEvent(this.elementRef.nativeElement, 'keyup')
.map(() => {
return this.model.value;
})
.debounceTime(this.debounceTime);
this.model.viewToModelUpdate = () => {};
eventStream.subscribe(input => {
this.model.viewModel = input;
this.model.update.emit(input);
});
}
}
as borrowed from https://stackoverflow.com/a/47823960/3955513
Then in HTML:
<input [(ngModel)]="hero.name"
[debounce]="3000"
(blur)="hero.name = $event.target.value"
(ngModelChange)="onChange()"
placeholder="name">
On blur
the model is explicitly updated using plain javascript.
Example here: https://stackblitz.com/edit/ng2-debounce-working
Just use the Cells function and loop thru columns. Cells(Row,Column)
You have to specify project_id
:
reverse('edit_project', kwargs={'project_id':4})
Doc here
Generate a form on Page B with all the required data and action set to Page C and submit it with JavaScript on page load. Your data will be sent to Page C without much hassle to the user.
This is the only way to do it. A redirect is a 303 HTTP header that you can read up on http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html, but I'll quote some of it:
The response to the request can be found under a different URI and SHOULD be retrieved using a GET method on that resource. This method exists primarily to allow the output of a POST-activated script to redirect the user agent to a selected resource. The new URI is not a substitute reference for the originally requested resource. The 303 response MUST NOT be cached, but the response to the second (redirected) request might be cacheable.
The only way to achieve what you're doing is with a intermediate page that sends the user to Page C. Here's a small/simple snippet on how you can achieve that:
<form id="myForm" action="Page_C.php" method="post">
<?php
foreach ($_POST as $a => $b) {
echo '<input type="hidden" name="'.htmlentities($a).'" value="'.htmlentities($b).'">';
}
?>
</form>
<script type="text/javascript">
document.getElementById('myForm').submit();
</script>
You should also have a simple "confirm" form inside a noscript tag to make sure users without Javascript will be able to use your service.
the html:
<a class="xyz">your content</a>
the css:
.xyz{
display: block;
}
This will make the anchor be a block level element like a div.
The following worked for me.
This would create the required meta data and other internal eclipse project file system which will display your project's files.
You can also import the project directly as a file system. Follow the above steps if you are unable to import it directly.
So actually, my comment that you should do a console.log(el.nativeElement)
should have pointed you in the right direction, but I didn't expect the output to be just a string representing the DOM Element
.
What you have to do to inspect it in the way it helps you with your problem, is to do a console.log(el)
in your example, then you'll have access to the nativeElement
object and will see a property called innerHTML
.
Which will lead to the answer to your original question:
let myCurrentContent:string = el.nativeElement.innerHTML; // get the content of your element
el.nativeElement.innerHTML = 'my new content'; // set content of your element
Since it's the accepted answer and web workers are getting more important day to day (and it's considered best practice anyway) I want to add this suggestion by Mark Rajcok here.
The best way to manipulate DOM Elements
programmatically is using the Renderer:
constructor(private _elemRef: ElementRef, private _renderer: Renderer) {
this._renderer.setElementProperty(this._elemRef.nativeElement, 'innerHTML', 'my new content');
}
Since Renderer
is deprecated now, use Renderer2 instead with setProperty
This question with its answer explained the console.log
behavior.
Which means that console.dir(el.nativeElement)
would be the more direct way of accessing the DOM Element
as an "inspectable" Object in your console for this situation.
Hope this helped.
This answer is late, but I was having the same issue. I found something that works.
In eclipse Project Explorer, right click the project name -> select "Run As" -> "Maven Build..."
In the goals, enter spring-boot:run
then click Run button.
I have the STS plug-in (i.e. SpringSource Tool Suite), so on some projects I will get a "Spring Boot App" option under Run As. But, it doesn't always show up for some reason. I use the above workaround for those.
Here is a reference that explains how to run Spring boot apps:
Spring boot tutorial
You are replacing the starting tag and then putting that back in innerHTML
, so the code will be invalid. Make all the replacements before you put the code back in the element:
var html = strMessage1.innerHTML;
html = html.replace( /aaaaaa./g,'<a href=\"http://www.google.com/');
html = html.replace( /.bbbbbb/g,'/world\">Helloworld</a>');
strMessage1.innerHTML = html;
on debian 8 I fix it with installing libapr1-dev
:
apt-get install libtcnative-1 libapr1-dev
&
is always evaluated in a string context, while +
may not concatenate if one of the operands is no string:
"1" + "2" => "12"
"1" + 2 => 3
1 + "2" => 3
"a" + 2 => type mismatch
This is simply a subtle source of potential bugs and therefore should be avoided. &
always means "string concatenation", even if its arguments are non-strings:
"1" & "2" => "12"
"1" & 2 => "12"
1 & "2" => "12"
1 & 2 => "12"
"a" & 2 => "a2"
Nothing wrong with SC Create command. Just you need to know the correct args :
SC CREATE "MySVC" binpath= "D:\Me\Services\MySVC\MySVC.exe"
You need to store the psftp script (lines from open
to bye
) into a separate file and pass that to psftp
using -b
switch:
cd "C:\Program Files (x86)\PuTTY"
psftp -b "C:\path\to\script\script.txt"
Reference:
https://the.earth.li/~sgtatham/putty/latest/htmldoc/Chapter6.html#psftp-option-b
EDIT: For username+password: As you cannot use psftp
commands in a batch file, for the same reason, you cannot specify the username and the password as psftp
commands. These are inputs to the open
command. While you can specify the username with the open
command (open <user>@<IP>
), you cannot specify the password this way. This can be done on a psftp
command line only. Then it's probably cleaner to do all on the command-line:
cd "C:\Program Files (x86)\PuTTY"
psftp -b script.txt <user>@<IP> -pw <PW>
And remove the open
, <user>
and <PW>
lines from your script.txt
.
Reference:
https://the.earth.li/~sgtatham/putty/latest/htmldoc/Chapter6.html#psftp-starting
https://the.earth.li/~sgtatham/putty/latest/htmldoc/Chapter3.html#using-cmdline-pw
What you are doing atm is that you run psftp
without any parameter or commands. Once you exit it (like by typing bye
), your batch file continues trying to run open
command (and others), what Windows shell obviously does not understand.
If you really want to keep everything in one file (the batch file), you can write commands to psftp standard input, like:
(
echo cd ...
echo lcd ...
echo put log.sh
) | psftp -b script.txt <user>@<IP> -pw <PW>
As an appendix to Clint's answer, you can simplify PackageResource
using contextlib.contextmanager
:
@contextlib.contextmanager
def packageResource():
class Package:
...
package = Package()
yield package
package.cleanup()
Alternatively, though probably not as Pythonic, you can override Package.__new__
:
class Package(object):
def __new__(cls, *args, **kwargs):
@contextlib.contextmanager
def packageResource():
# adapt arguments if superclass takes some!
package = super(Package, cls).__new__(cls)
package.__init__(*args, **kwargs)
yield package
package.cleanup()
def __init__(self, *args, **kwargs):
...
and simply use with Package(...) as package
.
To get things shorter, name your cleanup function close
and use contextlib.closing
, in which case you can either use the unmodified Package
class via with contextlib.closing(Package(...))
or override its __new__
to the simpler
class Package(object):
def __new__(cls, *args, **kwargs):
package = super(Package, cls).__new__(cls)
package.__init__(*args, **kwargs)
return contextlib.closing(package)
And this constructor is inherited, so you can simply inherit, e.g.
class SubPackage(Package):
def close(self):
pass