The full list is:
DB, DW, DD, DQ, DT, DDQ, and DO (used to declare initialized data in the output file.)
See: http://www.tortall.net/projects/yasm/manual/html/nasm-pseudop.html
They can be invoked in a wide range of ways: (Note: for Visual-Studio - use "h" instead of "0x" syntax - eg: not 0x55 but 55h instead):
db 0x55 ; just the byte 0x55
db 0x55,0x56,0x57 ; three bytes in succession
db 'a',0x55 ; character constants are OK
db 'hello',13,10,'$' ; so are string constants
dw 0x1234 ; 0x34 0x12
dw 'A' ; 0x41 0x00 (it's just a number)
dw 'AB' ; 0x41 0x42 (character constant)
dw 'ABC' ; 0x41 0x42 0x43 0x00 (string)
dd 0x12345678 ; 0x78 0x56 0x34 0x12
dq 0x1122334455667788 ; 0x88 0x77 0x66 0x55 0x44 0x33 0x22 0x11
ddq 0x112233445566778899aabbccddeeff00
; 0x00 0xff 0xee 0xdd 0xcc 0xbb 0xaa 0x99
; 0x88 0x77 0x66 0x55 0x44 0x33 0x22 0x11
do 0x112233445566778899aabbccddeeff00 ; same as previous
dd 1.234567e20 ; floating-point constant
dq 1.234567e20 ; double-precision float
dt 1.234567e20 ; extended-precision float
DT does not accept numeric constants as operands, and DDQ does not accept float constants as operands. Any size larger than DD does not accept strings as operands.
_.unescape
does what you're looking for
If you want to sort data either in Ascending or Descending order based on particular column, using sequlize js
, use the order
method of sequlize
as follows
// Will order the specified column by descending order
order: sequelize.literal('column_name order')
e.g. order: sequelize.literal('timestamp DESC')
You may consider writing a generic escape function:
def mk_esc(esc_chars):
return lambda s: ''.join(['\\' + c if c in esc_chars else c for c in s])
>>> esc = mk_esc('&#')
>>> print esc('Learn & be #1')
Learn \& be \#1
This way you can make your function configurable with a list of character that should be escaped.
I found this question as I had a similar problem. While data-backdrop
does "solve" the issue; I found another problem in my markup.
I had the button which launched this modal and the modal dialog itself was in the footer. The problem is that the footer was defined as navbar_fixed_bottom
, and that contained position:fixed
.
After I moved the dialog outside of the fixed section, everything worked as expected.
In Windows
Select the lines you want to comment. Then press Ctrl + /
It's related about revert origin : to set origin when the object is drag : just use $(this).data("draggable").originalPosition = {top:0, left:0};
For example : i use like this
drag: function() {
var t = $(this);
left = parseInt(t.css("left")) * -1;
if(left > 0 ){
left = 0;
t.draggable( "option", "revert", true );
$(this).data("draggable").originalPosition = {top:0, left:0};
}
else t.draggable( "option", "revert", false );
$(".slider-work").css("left", left);
}
To run jar, first u have to create
executable jar
then
java -jar xyz.jar
command will work
I followed the solution by poke with a minor adjustment in the end. My steps follow
- git fetch --prune
;
- git branch -a
printing the following
master
branch
remotes/origin/HEAD -> origin/master
remotes/origin/master
remotes/origin/branch
(remote branch to remove)
- git push origin --delete branch
.
Here, the branch to remove is not named as remotes/origin/branch
but simply branch
. And the branch is removed.
I ran into this issue with a Web Application - my .cshtml
files got stuck on the System.Web.WebPages.WebViewPage
base class when I needed the System.Web.Mvc.WebViewPage
.
First, ensure your ~/Views/web.config file has the correct pageBaseType
. In my case, I set to System.Web.Mvc.WebViewPage
.
<configuration>
<system.web.webPages.razor>
<pages pageBaseType="System.Web.Mvc.WebViewPage">
<!-- ... -->
</pages>
</system.web.webPages.razor>
</configuration>
Then, importantly, some people have found this is key if the above is already good:
.user
file that Visual Studio generated next to the project. For VS2015, the .user
and .sln
files have moved to the .vs
hidden folder that is created next to the .sln
file. However, from comments below, the error messages imply to me that the tooling is using the wrong version of MVC entirely, and deleting this folder does not fix the issue. To my knowledge, there is not a known solution.
The usual way is to use UPDATE:
UPDATE mytable
SET new_column = <expr containing old_column>
You should be able to do this is a single transaction.
Given a list:
var list = new List<Child>()
{
new Child()
{School = "School1", FavoriteColor = "blue", Friend = "Bob", Name = "John"},
new Child()
{School = "School2", FavoriteColor = "blue", Friend = "Bob", Name = "Pete"},
new Child()
{School = "School1", FavoriteColor = "blue", Friend = "Bob", Name = "Fred"},
new Child()
{School = "School2", FavoriteColor = "blue", Friend = "Fred", Name = "Bob"},
};
The query would look like:
var newList = list
.GroupBy(x => new {x.School, x.Friend, x.FavoriteColor})
.Select(y => new ConsolidatedChild()
{
FavoriteColor = y.Key.FavoriteColor,
Friend = y.Key.Friend,
School = y.Key.School,
Children = y.ToList()
}
);
Test code:
foreach(var item in newList)
{
Console.WriteLine("School: {0} FavouriteColor: {1} Friend: {2}", item.School,item.FavoriteColor,item.Friend);
foreach(var child in item.Children)
{
Console.WriteLine("\t Name: {0}", child.Name);
}
}
Result:
School: School1 FavouriteColor: blue Friend: Bob
Name: John
Name: Fred
School: School2 FavouriteColor: blue Friend: Bob
Name: Pete
School: School2 FavouriteColor: blue Friend: Fred
Name: Bob
This technique by Jeff Atwood for Stackoverflow is the simplest method I've come across. It relies on the "cache item removed" callback mechanism build into ASP.NET's cache system
Update: Stackoverflow has outgrown this method. It only works while the website is running but it's a very simple technique that is useful for many people.
Also check out Quartz.NET
Okay, I figured this out.
You will need html2canvas and pdfmake. You do NOT need to do any injection in your app.js to either, just include in your script tags
On the div that you want to create the PDF of, add an ID name like below:
<div id="exportthis">
In your Angular controller use the id of the div in your call to html2canvas:
change the canvas to an image using toDataURL()
Then in your docDefinition for pdfmake assign the image to the content.
The completed code in your controller will look like this:
html2canvas(document.getElementById('exportthis'), {
onrendered: function (canvas) {
var data = canvas.toDataURL();
var docDefinition = {
content: [{
image: data,
width: 500,
}]
};
pdfMake.createPdf(docDefinition).download("Score_Details.pdf");
}
});
I hope this helps someone else. Happy coding!
You can use my script from CodePen by just wrapping all the content within a .levit-container DIV.
~function () {
function Smooth () {
this.$container = document.querySelector('.levit-container');
this.$placeholder = document.createElement('div');
}
Smooth.prototype.init = function () {
var instance = this;
setContainer.call(instance);
setPlaceholder.call(instance);
bindEvents.call(instance);
}
function bindEvents () {
window.addEventListener('scroll', handleScroll.bind(this), false);
}
function setContainer () {
var style = this.$container.style;
style.position = 'fixed';
style.width = '100%';
style.top = '0';
style.left = '0';
style.transition = '0.5s ease-out';
}
function setPlaceholder () {
var instance = this,
$container = instance.$container,
$placeholder = instance.$placeholder;
$placeholder.setAttribute('class', 'levit-placeholder');
$placeholder.style.height = $container.offsetHeight + 'px';
document.body.insertBefore($placeholder, $container);
}
function handleScroll () {
this.$container.style.transform = 'translateZ(0) translateY(' + (window.scrollY * (- 1)) + 'px)';
}
var smooth = new Smooth();
smooth.init();
}();
You can't initialize a
and b
in B
because they are not members of B
. They are members of A
, therefore only A
can initialize them. You can make them public, then do assignment in B
, but that is not a recommended option since it would destroy encapsulation. Instead, create a constructor in A
to allow B
(or any subclass of A
) to initialize them:
class A
{
protected:
A(int a, int b) : a(a), b(b) {} // Accessible to derived classes
// Change "protected" to "public" to allow others to instantiate A.
private:
int a, b; // Keep these variables private in A
};
class B : public A
{
public:
B() : A(0, 0) // Calls A's constructor, initializing a and b in A to 0.
{
}
};
jsondata = '{"0001":{"FirstName":"John","LastName":"Mark","MiddleName":"Lewis","username":"johnlewis2","password":"2910"}}'
import json
import pandas as pd
jdata = json.loads(jsondata)
df = pd.DataFrame(jdata)
print df.T
This should look like this:.
FirstName LastName MiddleName password username 0001 John Mark Lewis 2910 johnlewis2
I found three different ways here: http://www.rgagnon.com/javadetails/java-0596.html
The most elegant one, as he also notes, I think is this one:
static final String HEXES = "0123456789ABCDEF";
public static String getHex( byte [] raw ) {
if ( raw == null ) {
return null;
}
final StringBuilder hex = new StringBuilder( 2 * raw.length );
for ( final byte b : raw ) {
hex.append(HEXES.charAt((b & 0xF0) >> 4))
.append(HEXES.charAt((b & 0x0F)));
}
return hex.toString();
}
Create class with namespace name might resovle your issue
namespace.Employee employee = new namespace.Employee();
employee.ExampleMethod();
var visibleNotification = false;
function open_notification() {
if (visibleNotification == false) {
$('.notification-panel').css('visibility', 'visible');
visibleNotification = true;
} else {
$('.notification-panel').css('visibility', 'hidden');
visibleNotification = false;
}
}
$(document).click(function (evt) {
var target = evt.target.className;
if(target!="fa fa-bell-o bell-notification")
{
var inside = $(".fa fa-bell-o bell-notification");
if ($.trim(target) != '') {
if ($("." + target) != inside) {
if (visibleNotification == true) {
$('.notification-panel').css('visibility', 'hidden');
visibleNotification = false;
}
}
}
}
});
The saga continues with the Windows 10 version. I had to install Win Debug Tools on clean Windows 10 OS with Visual Studio 2015.
To make a long story short, just follow the instructions in the link provided by David Black. After downloading the files, instead of running the SDK installer, browse to the installers directory and execute the msi files directly.
I wonder how many man hours have been lost through the last decade because of MS sloppiness in regards to WDK/SDK installation?
MYSQL IS NOT NULL WITH JOINS AND SELECT, INSERT INTO, DELETE & LOGICAL OPERATOR LIKE OR , NOT
Using IS NOT NULL On Join Conditions
SELECT * FROM users
LEFT JOIN posts ON post.user_id = users.id
WHERE user_id IS NOT NULL;
Using IS NOT NULL With AND Logical Operator
SELECT * FROM users
WHERE email_address IS NOT NULL
AND mobile_number IS NOT NULL;
Using IS NOT NULL With OR Logical Operator
SELECT * FROM users
WHERE email_address IS NOT NULL
OR mobile_number IS NOT NULL;
The R packages dplyr and sf import the operator %>% from the R package magrittr.
Help is available by using the following command:
?'%>%'
Of course the package must be loaded before by using e.g.
library(sf)
The documentation of the magrittr forward-pipe operator gives a good example: When functions require only one argument, x %>% f is equivalent to f(x)
I am getting this issue when using owl carousal and scrolling the images.
So get solved just adding below CSS in your page.
.owl-carousel {
-ms-touch-action: pan-y;
touch-action: pan-y;
}
or
.owl-carousel {
-ms-touch-action: none;
touch-action: none;
}
I would iterate over the results array using an angularjs filter like this:
var foundResultObject = getObjectFromResultsList(results, 1);
function getObjectFromResultsList(results, resultIdToRetrieve) {
return $filter('filter')(results, { id: resultIdToRetrieve }, true)[0];
}
I just ran into this issue and checked all of the above answers to make sure I wasn't missing anything obvious. Well, I had a semi-obvious issue. My casing of my classname in code and the classname I used in the configuration file didn't match.
For example: if the class name is CalculatorService and the configuration file refers to Calculatorservice ... you will get this error.
For compare hashed password with the plain text password string you can use the PHP password_verify
if(password_verify('1234567', $crypt_password_string)) {
// in case if "$crypt_password_string" actually hides "1234567"
}
Why not just:
IF object_id('YourFunctionName', 'FN') IS NOT NULL
BEGIN
DROP FUNCTION [dbo].[YourFunctionName]
END
GO
The second argument of object_id
is optional, but can help to identify the correct object. There are numerous possible values for this type argument, particularly:
Wikipedia has the best description
In C++03, the compiler must instantiate a template whenever a fully specified template is encountered in a translation unit. If the template is instantiated with the same types in many translation units, this can dramatically increase compile times. There is no way to prevent this in C++03, so C++11 introduced extern template declarations, analogous to extern data declarations.
C++03 has this syntax to oblige the compiler to instantiate a template:
template class std::vector<MyClass>;
C++11 now provides this syntax:
extern template class std::vector<MyClass>;
which tells the compiler not to instantiate the template in this translation unit.
nonstandard extension used...
Microsoft VC++ used to have a non-standard version of this feature for some years already (in C++03). The compiler warns about that to prevent portability issues with code that needed to compile on different compilers as well.
Look at the sample in the linked page to see that it works roughly the same way. You can expect the message to go away with future versions of MSVC, except of course when using other non-standard compiler extensions at the same time.
private members are only accessible from within the class, protected members are accessible in the class and derived classes. It's a feature of inheritance in OO languages.
You can have private, protected and public inheritance in C++, which will determine what derived classes can access in the inheritance hierarchy. C# for example only has public inheritance.
The runas command does not allow a password on its command line. This is by design (and also the reason you cannot pipe a password to it as input). Raymond Chen says it nicely:
The RunAs program demands that you type the password manually. Why doesn't it accept a password on the command line?
This was a conscious decision. If it were possible to pass the password on the command line, people would start embedding passwords into batch files and logon scripts, which is laughably insecure.
In other words, the feature is missing to remove the temptation to use the feature insecurely.
To get better results and robustness against differents types of matrices, you can do this in addition to the first answer, that copy the data :
cv::Mat source = getYourSource();
// Setup a rectangle to define your region of interest
cv::Rect myROI(10, 10, 100, 100);
// Crop the full image to that image contained by the rectangle myROI
// Note that this doesn't copy the data
cv::Mat croppedRef(source, myROI);
cv::Mat cropped;
// Copy the data into new matrix
croppedRef.copyTo(cropped);
SQLite Boolean Datatype:
SQLite does not have a separate Boolean storage class. Instead, Boolean values are stored as integers 0 (false) and 1 (true).
You can convert boolean to int in this way:
int flag = (boolValue)? 1 : 0;
You can convert int back to boolean as follows:
// Select COLUMN_NAME values from db.
// This will be integer value, you can convert this int value back to Boolean as follows
Boolean flag2 = (intValue == 1)? true : false;
If you want to explore sqlite, here is a tutorial.
I have given one answer here. It is working for them.
For me, I had ~6 different Nuget packages to update and when I selected Microsoft.AspNetCore.All first, I got the referenced error.
I started at the bottom and updated others first (EF Core, EF Design Tools, etc), then when the only one that was left was Microsoft.AspNetCore.All it worked fine.
Check if the cell is being registered with self.collectionView.registerClass(cellClass: AnyClass?, forCellWithReuseIdentifier identifier: String)
. If so, then remove that line of code.
See this answer for more info: Why is UICollectionViewCell's outlet nil?
"If you are using a storyboard you don't want to call this. It will overwrite what you have in your storyboard."
HSQLDB may cause problems for large applications, its not quite that stable.
The best I've heard (not first hand experience however) is berkleyDB. But unless you opensource it, it will cost you an arm and a leg to use due to licensing...see this http://www.oracle.com/technology/software/products/berkeley-db/htdocs/licensing.html for details.
ps. berkleyDB is not a relational database in case you didnt know.
When is a github repository not empty, like .gitignore and license
Use pull --allow-unrelated-histories and push --force-with-lease
Use commands
git init
git add .
git commit -m "initial commit"
git remote add origin https://github.com/...
git pull origin master --allow-unrelated-histories
git push --force-with-lease
Before your write to Excel need to change the format:
xlApp = New Excel.Application
xlWorkSheet = xlWorkBook.Sheets("Sheet1")
Dim cells As Excel.Range = xlWorkSheet.Cells
'set each cell's format to Text
cells.NumberFormat = "@"
'reset horizontal alignment to the right
cells.HorizontalAlignment = Excel.XlHAlign.xlHAlignRight
The ?
operand makes match non-greedy. E.g. .*
is greedy while .*?
isn't. So you can use something like <img.*?>
to match the whole tag. Or <img[^>]*>
.
But remember that the whole set of HTML can't be actually parsed with regular expressions.
because js regex doesn't support recursive match, i can't make balanced parentheses matching work.
so this is a simple javascript for loop version that make "method(arg)" string into array
push(number) map(test(a(a()))) bass(wow, abc)
$$(groups) filter({ type: 'ORGANIZATION', isDisabled: { $ne: true } }) pickBy(_id, type) map(test()) as(groups)
const parser = str => {
let ops = []
let method, arg
let isMethod = true
let open = []
for (const char of str) {
// skip whitespace
if (char === ' ') continue
// append method or arg string
if (char !== '(' && char !== ')') {
if (isMethod) {
(method ? (method += char) : (method = char))
} else {
(arg ? (arg += char) : (arg = char))
}
}
if (char === '(') {
// nested parenthesis should be a part of arg
if (!isMethod) arg += char
isMethod = false
open.push(char)
} else if (char === ')') {
open.pop()
// check end of arg
if (open.length < 1) {
isMethod = true
ops.push({ method, arg })
method = arg = undefined
} else {
arg += char
}
}
}
return ops
}
// const test = parser(`$$(groups) filter({ type: 'ORGANIZATION', isDisabled: { $ne: true } }) pickBy(_id, type) map(test()) as(groups)`)
const test = parser(`push(number) map(test(a(a()))) bass(wow, abc)`)
console.log(test)
the result is like
[ { method: 'push', arg: 'number' },
{ method: 'map', arg: 'test(a(a()))' },
{ method: 'bass', arg: 'wow,abc' } ]
[ { method: '$$', arg: 'groups' },
{ method: 'filter',
arg: '{type:\'ORGANIZATION\',isDisabled:{$ne:true}}' },
{ method: 'pickBy', arg: '_id,type' },
{ method: 'map', arg: 'test()' },
{ method: 'as', arg: 'groups' } ]
System.ArgumentNullException: Value cannot be null. Parameter name: value
This error message is not very helpful!
You can get this error in many different ways. The error may not always be with the parameter name: value. It could be whatever parameter name is being passed into a function.
As a generic way to solve this, look at the stack trace or call stack:
Test method GetApiModel threw exception:
System.ArgumentNullException: Value cannot be null.
Parameter name: value
at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
You can see that the parameter name value
is the first parameter for DeserializeObject
. This lead me to check my AutoMapper mapping where we are deserializing a JSON string. That string is null in my database.
You can change the code to check for null.
I came across this question as I had exact same problem. Although accepted answer works good but with matplotlib version 2.1.0
, it is pretty straight forward to have two scatter plots in one plot without using a reference to Axes
import matplotlib.pyplot as plt
plt.scatter(x,y, c='b', marker='x', label='1')
plt.scatter(x, y, c='r', marker='s', label='-1')
plt.legend(loc='upper left')
plt.show()
The Java language specification says you can have return with no expression if your method returns void.
Also we can try like this,
string[] selectedColumns = new[] { "Column1","Column2"};
DataTable dt= new DataView(fromDataTable).ToTable(false, selectedColumns);
try this declare the function outside the ready event.
$(document).ready(function(){
setInterval(swapImages(),1000);
});
function swapImages(){
var active = $('.active');
var next = ($('.active').next().length > 0) ? $('.active').next() : $('#siteNewsHead img:first');
active.removeClass('active');
next.addClass('active');
}
Using internal-ip:
const internalIp = require("internal-ip")
console.log(internalIp.v4.sync())
Use Jackson-annotations.jar will solve the problem, as it worked for me.
If you image is in document directory, Add this URL extension:
extension URL {
func compressedImageURL(quality: CGFloat = 0.3) throws -> URL? {
let imageData = try Data(contentsOf: self)
debugPrint("Image file size before compression: \(imageData.count) bytes")
let compressedURL = NSURL.fileURL(withPath: NSTemporaryDirectory() + NSUUID().uuidString + ".jpg")
guard let actualImage = UIImage(data: imageData) else { return nil }
guard let compressedImageData = UIImageJPEGRepresentation(actualImage, quality) else {
return nil
}
debugPrint("Image file size after compression: \(compressedImageData.count) bytes")
do {
try compressedImageData.write(to: compressedURL)
return compressedURL
} catch {
return nil
}
}
}
Usage:
guard let localImageURL = URL(string: "< LocalImagePath.jpg >") else {
return
}
//Here you will get URL of compressed image
guard let compressedImageURL = try localImageURL.compressedImageURL() else {
return
}
debugPrint("compressedImageURL: \(compressedImageURL.absoluteString)")
Note:- Change < LocalImagePath.jpg > with your local jpg image path.
In Python 3.8+ you can do
import hashlib
with open("your_filename.txt", "rb") as f:
file_hash = hashlib.md5()
while chunk := f.read(8192):
file_hash.update(chunk)
print(file_hash.digest())
print(file_hash.hexdigest()) # to get a printable str instead of bytes
Consider using hashlib.blake2b
instead of md5
(just replace md5
with blake2b
in the above snippet). It's cryptographically secure and faster than MD5.
I also recommend to use SerializationUtils tool. I want to make a ajust on a wrong comment by @Abilash. The SerializationUtils.serialize()
method is not restricted to 1024 bytes, contrary to another answer here.
public static byte[] serialize(Object object) {
if (object == null) {
return null;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
try {
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(object);
oos.flush();
}
catch (IOException ex) {
throw new IllegalArgumentException("Failed to serialize object of type: " + object.getClass(), ex);
}
return baos.toByteArray();
}
At first sight, you may think that new ByteArrayOutputStream(1024)
will only allow a fixed size. But if you take a close look at the ByteArrayOutputStream
, you will figure out the the stream will grow if necessary:
This class implements an output stream in which the data is written into a byte array. The buffer automatically grows as data is written to it. The data can be retrieved using
toByteArray()
andtoString()
.
Here are two quickie approaches I know of:
In base
AQ1 <- airquality
AQ1[is.na(AQ1 <- airquality)] <- 0
AQ1
Not in base
library(qdap)
NAer(airquality)
PS P.S. Does my command above create a new dataframe called AQ1?
Look at AQ1 and see
I found the solution was to use the TSD command:
tsd install node --save
Which adds/updates the typings/tsd.d.ts
file and that file contains all the type definitions that are required for a node application.
At the top of my file, I put a reference to the tsd.d.ts
like this:
/// <reference path="../typings/tsd.d.ts" />
The require is defined like this as of January 2016:
declare var require: NodeRequire;
interface NodeModule {
exports: any;
require: NodeRequireFunction;
id: string;
filename: string;
loaded: boolean;
parent: any;
children: any[];
}
This is what i did for rendering html files. And it solved the errors. Install consolidate and mustache by executing the below command in your project folder.
$ sudo npm install consolidate mustache --save
And make the following changes to your app.js file
var engine = require('consolidate');
app.set('views', __dirname + '/views');
app.engine('html', engine.mustache);
app.set('view engine', 'html');
And now html pages will be rendered properly.
Here's my simple version of converting an array of objects ito CSV (assuming those objects all share the same attributes):
var csv = []
if (items.length) {
var keys = Object.keys(items[0])
csv.push(keys.join(','))
items.forEach(item => {
let vals = keys.map(key => item[key] || '')
csv.push(vals.join(','))
})
}
csv = csv.join('\n')
tl;dr Remove all unused modules which have a dependency on the support library from your settings.gradle
.
Long version:
In our case we had declared the support library as a dependency for all of our modules (one app module and multiple library modules) in a common.gradle
file which is imported by every module. However there was one library module which wasn't declared as a dependency for any other module and therefore wasn't build. In every few syncs Android Studio would pick that exact module as the one where to look for the support library (that's why it appeared to happen randomly for us). As this module was never used it never got build which in turn caused the jar file not being in the intermediates folder of the module.
Removing this library module from settings.gradle
and syncing again fixed the problem for us.
I added customBinding to the web.config.
<configuration>
<system.serviceModel>
<bindings>
<customBinding>
<binding name="CustomSoapBinding">
<security includeTimestamp="false"
authenticationMode="UserNameOverTransport"
defaultAlgorithmSuite="Basic256"
requireDerivedKeys="false"
messageSecurityVersion="WSSecurity10WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10">
</security>
<textMessageEncoding messageVersion="Soap11"></textMessageEncoding>
<httpsTransport maxReceivedMessageSize="2000000000"/>
</binding>
</customBinding>
</bindings>
<client>
<endpoint address="https://test.com:443/services/testService"
binding="customBinding"
bindingConfiguration="CustomSoapBinding"
contract="testService.test"
name="test" />
</client>
</system.serviceModel>
<startup>
<supportedRuntime version="v4.0"
sku=".NETFramework,Version=v4.0"/>
</startup>
</configuration>
After adding customBinding, I can pass username and password to client service like as follows:
service.ClientCridentials.UserName.UserName = "testUser";
service.ClientCridentials.UserName.Password = "testPass";
In this way you can pass username, password in the header to a SOAP WCF Service.
@Mayur "4.2 [Using query with complex JOIN]" with Common Table Expressions (CTEs) did the trick for me.
WITH cte AS (
SELECT e.id, e.postcode
FROM employees e
LEFT JOIN locations lc ON lc.postcode=cte.postcode
WHERE e.id=1
)
UPDATE employee_location SET lat=lc.lat, longitude=lc.longi
FROM cte
WHERE employee_location.id=cte.id;
Hope this helps... :D
This has nothing to do with the MIME type, but the Content-Disposition header, which should be something like:
Content-Disposition: attachment; filename=genome.jpeg;
Make sure it is actually correctly passed to the client (not filtered by the server, proxy or something). Also you could try to change the order of writing headers and set them before getting output stream.
Typically we would place one of these at or near the top of the script. Scripts that parse their command lines would do the redirection after parsing.
Send stdout to a file
exec > file
with stderr
exec > file
exec 2>&1
append both stdout and stderr to file
exec >> file
exec 2>&1
As Jonathan Leffler mentioned in his comment:
exec
has two separate jobs. The first one is to replace the currently executing shell (script) with a new program. The other is changing the I/O redirections in the current shell. This is distinguished by having no argument to exec
.
It doesn't when you start a long operation behind, because everything STOPS since you'Re in the same thread.
I know this is possible if the other application can attach itself to a win32 window handle. For example, we have a separate C# application that hosts a DirectX application inside one of its windows. I'm not familiar with the exact details of how this is implemented, but I think just passing the win32 Handle
of your panel to the other application is enough for that application to attach its DirectX surface.
Try this, with strings:
set "var=string1string2string3"
and with string variables:
set "var=%string1%%string2%%string3%"
In my case there was no start command in the script section of package.json
file.
When I created the package.json
file with npm init
I did not create a start script command.
So I went to the package.json
file, under scripts I added a new entry:
"scripts": {
"start": "node index.js"
},
Saved it and uploaded to Heroku and it worked
It depends on what you need to do. You can use replace
since you want to replace the value:
select replace(email, '.com', '.org')
from yourtable
Then to UPDATE
your table with the new ending, then you would use:
update yourtable
set email = replace(email, '.com', '.org')
You can also expand on this by checking the last 4 characters of the email value:
update yourtable
set email = replace(email, '.com', '.org')
where right(email, 4) = '.com'
However, the issue with replace()
is that .com
can be will in other locations in the email not just the last one. So you might want to use substring()
the following way:
update yourtable
set email = substring(email, 1, len(email) -4)+'.org'
where right(email, 4) = '.com';
Using substring()
will return the start of the email value, without the final .com
and then you concatenate the .org
to the end. This prevents the replacement of .com
elsewhere in the string.
Alternatively you could use stuff()
, which allows you to do both deleting and inserting at the same time:
update yourtable
set email = stuff(email, len(email) - 3, 4, '.org')
where right(email, 4) = '.com';
This will delete 4 characters at the position of the third character before the last one (which is the starting position of the final .com
) and insert .org
instead.
See SQL Fiddle with Demo for this method as well.
You can use this command to clone your repo with all the submodules:
git clone --recursive YOUR-GIT-REPO-URL
Or if you have already cloned the project, you can use:
git submodule init
git submodule update
In Java, using JNA with the Kernel32.dll library, similar to a C++ solution. Runs the CtrlCSender main method as a Process which just gets the console of the process to send the Ctrl+C event to and generates the event. As it runs separately without a console the Ctrl+C event does not need to be disabled and enabled again.
CtrlCSender.java - Based on Nemo1024's and KindDragon's answers.
Given a known process ID, this consoless application will attach the console of targeted process and generate a CTRL+C Event on it.
import com.sun.jna.platform.win32.Kernel32;
public class CtrlCSender {
public static void main(String args[]) {
int processId = Integer.parseInt(args[0]);
Kernel32.INSTANCE.AttachConsole(processId);
Kernel32.INSTANCE.GenerateConsoleCtrlEvent(Kernel32.CTRL_C_EVENT, 0);
}
}
Main Application - Runs CtrlCSender as a separate consoless process
ProcessBuilder pb = new ProcessBuilder();
pb.command("javaw", "-cp", System.getProperty("java.class.path", "."), CtrlCSender.class.getName(), processId);
pb.redirectErrorStream();
pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
pb.redirectError(ProcessBuilder.Redirect.INHERIT);
Process ctrlCProcess = pb.start();
ctrlCProcess.waitFor();
tray this:
getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_close);
inside onCreate()
;
Answer : I found this and wants to share it with you.
Sub Copier4()
Dim x As Integer
For x = 1 To ActiveWorkbook.Sheets.Count
'Loop through each of the sheets in the workbook
'by using x as the sheet index number.
ActiveWorkbook.Sheets(x).Copy _
After:=ActiveWorkbook.Sheets(ActiveWorkbook.Sheets.Count)
'Puts all copies after the last existing sheet.
Next
End Sub
But the question, can we use it with following code to rename the sheets, if yes, how can we do so?
Sub CreateSheetsFromAList()
Dim MyCell As Range, MyRange As Range
Set MyRange = Sheets("Summary").Range("A10")
Set MyRange = Range(MyRange, MyRange.End(xlDown))
For Each MyCell In MyRange
Sheets.Add After:=Sheets(Sheets.Count) 'creates a new worksheet
Sheets(Sheets.Count).Name = MyCell.Value ' renames the new worksheet
Next MyCell
End Sub
If I understand correctly, you want PowerShell to send the ENTER keystroke to some interactive application?
$wshell = New-Object -ComObject wscript.shell;
$wshell.AppActivate('title of the application window')
Sleep 1
$wshell.SendKeys('~')
If that interactive application is a PowerShell script, just use whatever is in the title bar of the PowerShell window as the argument to AppActivate (by default, the path to powershell.exe). To avoid ambiguity, you can have your script retitle its own window by using the title 'new window title'
command.
A few notes:
{ENTER}
, though they're not identical - that's the keypad's ENTER key. A complete list is available here: http://msdn.microsoft.com/en-us/library/office/aa202943%28v=office.10%29.aspx.Sleep 1
statement is to wait 1 second because it takes a moment for the window to activate, and if you invoke SendKeys immediately, it'll send the keys to the PowerShell window, or to nowhere.Sometimes wscript.shell's SendKeys method can be a little quirky, so if you run into problems, replace the fourth line above with this:
Add-Type -AssemblyName System.Windows.Forms
[System.Windows.Forms.SendKeys]::SendWait('~');
Just to point out the generic way to iterate over any map:
private <K, V> void iterateOverMap(Map<K, V> map) {
for (Map.Entry<K, V> entry : map.entrySet()) {
System.out.println("key ->" + entry.getKey() + ", value->" + entry.getValue());
}
}
You can use the .forEach() method of JavaScript for looping through JSON.
var datesBooking = [_x000D_
{"date": "04\/24\/2018"},_x000D_
{"date": "04\/25\/2018"}_x000D_
];_x000D_
_x000D_
datesBooking.forEach(function(data, index) {_x000D_
console.log(data);_x000D_
});
_x000D_
In newer versions of Eclipse that use the M2E plugin it is:
Right-click on your project(s) --> Maven --> Update Project...
In the following dialog is a checkbox for forcing the update ("Force Update of Snapshots/Releases")
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.Warmup;
import java.util.concurrent.TimeUnit;
@State(Scope.Thread)
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 5, time = 1)
@Fork(value = 1)
@Measurement(iterations = 5, time = 1)
public class StringFirstCharBenchmark {
private String source;
@Setup
public void init() {
source = "MALE";
}
@Benchmark
public String substring() {
return source.substring(0, 1);
}
@Benchmark
public String indexOf() {
return String.valueOf(source.indexOf(0));
}
}
Results:
+----------------------------------------------------------------------+
| Benchmark Mode Cnt Score Error Units |
+----------------------------------------------------------------------+
| StringFirstCharBenchmark.indexOf avgt 5 23.777 ? 5.788 ns/op |
| StringFirstCharBenchmark.substring avgt 5 11.305 ? 1.411 ns/op |
+----------------------------------------------------------------------+
Install "Configuration Transform Tool" in Visual Studio from Marketplace and restart VS. You will be able to see menu preview transform for app.config as well.
https://marketplace.visualstudio.com/items?itemName=GolanAvraham.ConfigurationTransform
Here is a simpler solution to list all files in a directory and to download it.
In your index.php file
<?php
$dir = "./";
$allFiles = scandir($dir);
$files = array_diff($allFiles, array('.', '..')); // To remove . and ..
foreach($files as $file){
echo "<a href='download.php?file=".$file."'>".$file."</a><br>";
}
The scandir() function list all files and directories inside the specified path. It works with both PHP 5 and PHP 7.
Now in the download.php
<?php
$filename = basename($_GET['file']);
// Specify file path.
$path = ''; // '/uplods/'
$download_file = $path.$filename;
if(!empty($filename)){
// Check file is exists on given path.
if(file_exists($download_file))
{
header('Content-Disposition: attachment; filename=' . $filename);
readfile($download_file);
exit;
}
else
{
echo 'File does not exists on given path';
}
}
You can use like this
$(".jsgrid-cell").each(function(i,v){
var txt=$(v).text();
if(txt.length>100){
var shortText=txt.substring(0, 100)+
"<span onclick='$(this).hide();$(this).next().toggle();'>"+
"..."+
"</span>"+
"<span style='display:none'>"+
txt.substring(100, txt.length)+
"</span>";
$(v).html(shortText );
}
});
I would rather create a map
export class item{
name: string;
id: string
}
let caches = new Map<string, item>();
and then you can simply
this.caches[newitem.id] = newitem;
even
this.caches.set(newitem.id, newitem);
array is so 1999. :)
You can try this code .
private enum DownloadType {
AUDIO , VIDEO , AUDIO_AND_VIDEO ;
}
You can use this enumeration as like this : DownloadType.AUDIO.ordinal()
. Hope this code snippet will help you .
UpdatE: Make it into a nice function for you: http://jsfiddle.net/wesbos/KH25r/1/
function swapOutSource(url, newSource) {
params = url.split('&');
var src = params[0].split('=');
params.shift();
src[1] = newSource;
var newUrl = ( src.join('=') + params.join('&'));
return newUrl;
}
Then go at it!
var newUrl = swapOutSource("http://localhost/mysite/includes/phpThumb.php?src=http://media2.jupix.co.uk/v3/clients/4/properties/795/IMG_795_1_large.jpg&w=592&aoe=1&q=100","http://link/to/new.jpg");
console.log(newUrl);
Another option...
To make this works
docker run -d --rm $IMG_NAME "bash:command1&&command2&&command3"
in dockerfile
ENTRYPOINT ["/entrypoint.sh"]
in entrypoint.sh
#!/bin/sh
entrypoint_params=$1
printf "==>[entrypoint.sh] %s\n" "entry_point_param is $entrypoint_params"
PARAM1=$(echo $entrypoint_params | cut -d':' -f1) # output is 1 must be 'bash' it will be tested
PARAM2=$(echo $entrypoint_params | cut -d':' -f2) # the real command separated by &&
printf "==>[entrypoint.sh] %s\n" "PARAM1=$PARAM1"
printf "==>[entrypoint.sh] %s\n" "PARAM2=$PARAM2"
if [ "$PARAM1" = "bash" ];
then
printf "==>[entrypoint.sh] %s\n" "about to running $PARAM2 command"
echo $PARAM2 | tr '&&' '\n' | while read cmd; do
$cmd
done
fi
It works for me for opening small text file... I didn't try in other file
protected void viewhelper(Intent intent) {
Uri a = intent.getData();
if (!a.toString().startsWith("content:")) {
return;
}
//Ok Let's do it
String content = readUri(a);
//do something with this content
}
here is the readUri(Uri uri) method
private String readUri(Uri uri) {
InputStream inputStream = null;
try {
inputStream = getContentResolver().openInputStream(uri);
if (inputStream != null) {
byte[] buffer = new byte[1024];
int result;
String content = "";
while ((result = inputStream.read(buffer)) != -1) {
content = content.concat(new String(buffer, 0, result));
}
return content;
}
} catch (IOException e) {
Log.e("receiver", "IOException when reading uri", e);
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (IOException e) {
Log.e("receiver", "IOException when closing stream", e);
}
}
}
return null;
}
I got it from this repository https://github.com/zhutq/android-file-provider-demo/blob/master/FileReceiver/app/src/main/java/com/demo/filereceiver/MainActivity.java
I modified some code so that it work.
Manifest file:
<activity android:name=".MainActivity">
<intent-filter >
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="*/*" />
</intent-filter>
</activity>
You need to add
@Override
protected void onCreate(Bundle savedInstanceState) {
/*
* Your OnCreate
*/
Intent intent = getIntent();
String action = intent.getAction();
String type = intent.getType();
//VIEW"
if (Intent.ACTION_VIEW.equals(action) && type != null) {
viewhelper(intent); // Handle text being sent
}
}
Instead of .encode('utf-8')
, use .encode('latin-1')
.
if you have table and fields on database you can simply use this command :
php artisan db:seed --class=UsersTableSeeder --database=YOURDATABSE
Back in 2002, Novell developed some software called NetDrive that can map a WebDAV, FTP, SFTP, etc. share to a windows drive letter. It is now abandonware, so it's no longer maintained (and not available on the Novell website), but it's free to use. I found quite a few available to download by searching for "netdrive.exe" I actually downloaded a few and compared their md5sums to make sure that I was getting a common (and hopefully safe) version.
Update 10 Nov 2017 SFTPNetDrive is the current project from the original netdrive project. And they made it free for personal use:
We Made SFTP Net Drive FREE for Personal Use
They have paid options as well on the website.
An utility method like the following can be used to solve this.
import (
"os"
"path/filepath"
"log"
)
func ensureDir(fileName string) {
dirName := filepath.Dir(fileName)
if _, serr := os.Stat(dirName); serr != nil {
merr := os.MkdirAll(dirName, os.ModePerm)
if merr != nil {
panic(merr)
}
}
}
func main() {
_, cerr := os.Create("a/b/c/d.txt")
if cerr != nil {
log.Fatal("error creating a/b/c", cerr)
}
log.Println("created file in a sub-directory.")
}
This applies to Mac and Windows users (I use on Mac) . I've used several of the listed answers over the years and have found that FileZilla suits my needs well when editing files on a remote host that I have SSH access to. It's also quick to setup.
View/Edit
. This brings up my default editor (Sublime) but it will work with any editor you have installed.
Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think.
A callback is a callable (see further down) accepted by a class or function, used to customize the current logic depending on that callback.
One reason to use callbacks is to write generic code which is independant from the logic in the called function and can be reused with different callbacks.
Many functions of the standard algorithms library <algorithm>
use callbacks. For example the for_each
algorithm applies an unary callback to every item in a range of iterators:
template<class InputIt, class UnaryFunction>
UnaryFunction for_each(InputIt first, InputIt last, UnaryFunction f)
{
for (; first != last; ++first) {
f(*first);
}
return f;
}
which can be used to first increment and then print a vector by passing appropriate callables for example:
std::vector<double> v{ 1.0, 2.2, 4.0, 5.5, 7.2 };
double r = 4.0;
std::for_each(v.begin(), v.end(), [&](double & v) { v += r; });
std::for_each(v.begin(), v.end(), [](double v) { std::cout << v << " "; });
which prints
5 6.2 8 9.5 11.2
Another application of callbacks is the notification of callers of certain events which enables a certain amount of static / compile time flexibility.
Personally, I use a local optimization library that uses two different callbacks:
Thus, the library designer is not in charge of deciding what happens with the information that is given to the programmer via the notification callback and he needn't worry about how to actually determine function values because they're provided by the logic callback. Getting those things right is a task due to the library user and keeps the library slim and more generic.
Furthermore, callbacks can enable dynamic runtime behaviour.
Imagine some kind of game engine class which has a function that is fired, each time the users presses a button on his keyboard and a set of functions that control your game behaviour. With callbacks you can (re)decide at runtime which action will be taken.
void player_jump();
void player_crouch();
class game_core
{
std::array<void(*)(), total_num_keys> actions;
//
void key_pressed(unsigned key_id)
{
if(actions[key_id]) actions[key_id]();
}
// update keybind from menu
void update_keybind(unsigned key_id, void(*new_action)())
{
actions[key_id] = new_action;
}
};
Here the function key_pressed
uses the callbacks stored in actions
to obtain the desired behaviour when a certain key is pressed.
If the player chooses to change the button for jumping, the engine can call
game_core_instance.update_keybind(newly_selected_key, &player_jump);
and thus change the behaviour of a call to key_pressed
(which the calls player_jump
) once this button is pressed the next time ingame.
See C++ concepts: Callable on cppreference for a more formal description.
Callback functionality can be realized in several ways in C++(11) since several different things turn out to be callable*:
std::function
objectsoperator()
)* Note: Pointer to data members are callable as well but no function is called at all.
Note: As of C++17, a call like f(...)
can be written as std::invoke(f, ...)
which also handles the pointer to member case.
A function pointer is the 'simplest' (in terms of generality; in terms of readability arguably the worst) type a callback can have.
Let's have a simple function foo
:
int foo (int x) { return 2+x; }
A function pointer type has the notation
return_type (*)(parameter_type_1, parameter_type_2, parameter_type_3)
// i.e. a pointer to foo has the type:
int (*)(int)
where a named function pointer type will look like
return_type (* name) (parameter_type_1, parameter_type_2, parameter_type_3)
// i.e. f_int_t is a type: function pointer taking one int argument, returning int
typedef int (*f_int_t) (int);
// foo_p is a pointer to function taking int returning int
// initialized by pointer to function foo taking int returning int
int (* foo_p)(int) = &foo;
// can alternatively be written as
f_int_t foo_p = &foo;
The using
declaration gives us the option to make things a little bit more readable, since the typedef
for f_int_t
can also be written as:
using f_int_t = int(*)(int);
Where (at least for me) it is clearer that f_int_t
is the new type alias and recognition of the function pointer type is also easier
And a declaration of a function using a callback of function pointer type will be:
// foobar having a callback argument named moo of type
// pointer to function returning int taking int as its argument
int foobar (int x, int (*moo)(int));
// if f_int is the function pointer typedef from above we can also write foobar as:
int foobar (int x, f_int_t moo);
The call notation follows the simple function call syntax:
int foobar (int x, int (*moo)(int))
{
return x + moo(x); // function pointer moo called using argument x
}
// analog
int foobar (int x, f_int_t moo)
{
return x + moo(x); // function pointer moo called using argument x
}
A callback function taking a function pointer can be called using function pointers.
Using a function that takes a function pointer callback is rather simple:
int a = 5;
int b = foobar(a, foo); // call foobar with pointer to foo as callback
// can also be
int b = foobar(a, &foo); // call foobar with pointer to foo as callback
A function ca be written that doesn't rely on how the callback works:
void tranform_every_int(int * v, unsigned n, int (*fp)(int))
{
for (unsigned i = 0; i < n; ++i)
{
v[i] = fp(v[i]);
}
}
where possible callbacks could be
int double_int(int x) { return 2*x; }
int square_int(int x) { return x*x; }
used like
int a[5] = {1, 2, 3, 4, 5};
tranform_every_int(&a[0], 5, double_int);
// now a == {2, 4, 6, 8, 10};
tranform_every_int(&a[0], 5, square_int);
// now a == {4, 16, 36, 64, 100};
A pointer to member function (of some class C
) is a special type of (and even more complex) function pointer which requires an object of type C
to operate on.
struct C
{
int y;
int foo(int x) const { return x+y; }
};
A pointer to member function type for some class T
has the notation
// can have more or less parameters
return_type (T::*)(parameter_type_1, parameter_type_2, parameter_type_3)
// i.e. a pointer to C::foo has the type
int (C::*) (int)
where a named pointer to member function will -in analogy to the function pointer- look like this:
return_type (T::* name) (parameter_type_1, parameter_type_2, parameter_type_3)
// i.e. a type `f_C_int` representing a pointer to member function of `C`
// taking int returning int is:
typedef int (C::* f_C_int_t) (int x);
// The type of C_foo_p is a pointer to member function of C taking int returning int
// Its value is initialized by a pointer to foo of C
int (C::* C_foo_p)(int) = &C::foo;
// which can also be written using the typedef:
f_C_int_t C_foo_p = &C::foo;
Example: Declaring a function taking a pointer to member function callback as one of its arguments:
// C_foobar having an argument named moo of type pointer to member function of C
// where the callback returns int taking int as its argument
// also needs an object of type c
int C_foobar (int x, C const &c, int (C::*moo)(int));
// can equivalently declared using the typedef above:
int C_foobar (int x, C const &c, f_C_int_t moo);
The pointer to member function of C
can be invoked, with respect to an object of type C
by using member access operations on the dereferenced pointer.
Note: Parenthesis required!
int C_foobar (int x, C const &c, int (C::*moo)(int))
{
return x + (c.*moo)(x); // function pointer moo called for object c using argument x
}
// analog
int C_foobar (int x, C const &c, f_C_int_t moo)
{
return x + (c.*moo)(x); // function pointer moo called for object c using argument x
}
Note: If a pointer to C
is available the syntax is equivalent (where the pointer to C
must be dereferenced as well):
int C_foobar_2 (int x, C const * c, int (C::*meow)(int))
{
if (!c) return x;
// function pointer meow called for object *c using argument x
return x + ((*c).*meow)(x);
}
// or equivalent:
int C_foobar_2 (int x, C const * c, int (C::*meow)(int))
{
if (!c) return x;
// function pointer meow called for object *c using argument x
return x + (c->*meow)(x);
}
A callback function taking a member function pointer of class T
can be called using a member function pointer of class T
.
Using a function that takes a pointer to member function callback is -in analogy to function pointers- quite simple as well:
C my_c{2}; // aggregate initialization
int a = 5;
int b = C_foobar(a, my_c, &C::foo); // call C_foobar with pointer to foo as its callback
std::function
objects (header <functional>
)The std::function
class is a polymorphic function wrapper to store, copy or invoke callables.
std::function
object / type notationThe type of a std::function
object storing a callable looks like:
std::function<return_type(parameter_type_1, parameter_type_2, parameter_type_3)>
// i.e. using the above function declaration of foo:
std::function<int(int)> stdf_foo = &foo;
// or C::foo:
std::function<int(const C&, int)> stdf_C_foo = &C::foo;
The class std::function
has operator()
defined which can be used to invoke its target.
int stdf_foobar (int x, std::function<int(int)> moo)
{
return x + moo(x); // std::function moo called
}
// or
int stdf_C_foobar (int x, C const &c, std::function<int(C const &, int)> moo)
{
return x + moo(c, x); // std::function moo called using c and x
}
The std::function
callback is more generic than function pointers or pointer to member function since different types can be passed and implicitly converted into a std::function
object.
3.3.1 Function pointers and pointers to member functions
A function pointer
int a = 2;
int b = stdf_foobar(a, &foo);
// b == 6 ( 2 + (2+2) )
or a pointer to member function
int a = 2;
C my_c{7}; // aggregate initialization
int b = stdf_C_foobar(a, c, &C::foo);
// b == 11 == ( 2 + (7+2) )
can be used.
3.3.2 Lambda expressions
An unnamed closure from a lambda expression can be stored in a std::function
object:
int a = 2;
int c = 3;
int b = stdf_foobar(a, [c](int x) -> int { return 7+c*x; });
// b == 15 == a + (7*c*a) == 2 + (7+3*2)
3.3.3 std::bind
expressions
The result of a std::bind
expression can be passed. For example by binding parameters to a function pointer call:
int foo_2 (int x, int y) { return 9*x + y; }
using std::placeholders::_1;
int a = 2;
int b = stdf_foobar(a, std::bind(foo_2, _1, 3));
// b == 23 == 2 + ( 9*2 + 3 )
int c = stdf_foobar(a, std::bind(foo_2, 5, _1));
// c == 49 == 2 + ( 9*5 + 2 )
Where also objects can be bound as the object for the invocation of pointer to member functions:
int a = 2;
C const my_c{7}; // aggregate initialization
int b = stdf_foobar(a, std::bind(&C::foo, my_c, _1));
// b == 1 == 2 + ( 2 + 7 )
3.3.4 Function objects
Objects of classes having a proper operator()
overload can be stored inside a std::function
object, as well.
struct Meow
{
int y = 0;
Meow(int y_) : y(y_) {}
int operator()(int x) { return y * x; }
};
int a = 11;
int b = stdf_foobar(a, Meow{8});
// b == 99 == 11 + ( 8 * 11 )
Changing the function pointer example to use std::function
void stdf_tranform_every_int(int * v, unsigned n, std::function<int(int)> fp)
{
for (unsigned i = 0; i < n; ++i)
{
v[i] = fp(v[i]);
}
}
gives a whole lot more utility to that function because (see 3.3) we have more possibilities to use it:
// using function pointer still possible
int a[5] = {1, 2, 3, 4, 5};
stdf_tranform_every_int(&a[0], 5, double_int);
// now a == {2, 4, 6, 8, 10};
// use it without having to write another function by using a lambda
stdf_tranform_every_int(&a[0], 5, [](int x) -> int { return x/2; });
// now a == {1, 2, 3, 4, 5}; again
// use std::bind :
int nine_x_and_y (int x, int y) { return 9*x + y; }
using std::placeholders::_1;
// calls nine_x_and_y for every int in a with y being 4 every time
stdf_tranform_every_int(&a[0], 5, std::bind(nine_x_and_y, _1, 4));
// now a == {13, 22, 31, 40, 49};
Using templates, the code calling the callback can be even more general than using std::function
objects.
Note that templates are a compile-time feature and are a design tool for compile-time polymorphism. If runtime dynamic behaviour is to be achieved through callbacks, templates will help but they won't induce runtime dynamics.
Generalizing i.e. the std_ftransform_every_int
code from above even further can be achieved by using templates:
template<class R, class T>
void stdf_transform_every_int_templ(int * v,
unsigned const n, std::function<R(T)> fp)
{
for (unsigned i = 0; i < n; ++i)
{
v[i] = fp(v[i]);
}
}
with an even more general (as well as easiest) syntax for a callback type being a plain, to-be-deduced templated argument:
template<class F>
void transform_every_int_templ(int * v,
unsigned const n, F f)
{
std::cout << "transform_every_int_templ<"
<< type_name<F>() << ">\n";
for (unsigned i = 0; i < n; ++i)
{
v[i] = f(v[i]);
}
}
Note: The included output prints the type name deduced for templated type F
. The implementation of type_name
is given at the end of this post.
The most general implementation for the unary transformation of a range is part of the standard library, namely std::transform
,
which is also templated with respect to the iterated types.
template<class InputIt, class OutputIt, class UnaryOperation>
OutputIt transform(InputIt first1, InputIt last1, OutputIt d_first,
UnaryOperation unary_op)
{
while (first1 != last1) {
*d_first++ = unary_op(*first1++);
}
return d_first;
}
The compatible types for the templated std::function
callback method stdf_transform_every_int_templ
are identical to the above mentioned types (see 3.4).
Using the templated version however, the signature of the used callback may change a little:
// Let
int foo (int x) { return 2+x; }
int muh (int const &x) { return 3+x; }
int & woof (int &x) { x *= 4; return x; }
int a[5] = {1, 2, 3, 4, 5};
stdf_transform_every_int_templ<int,int>(&a[0], 5, &foo);
// a == {3, 4, 5, 6, 7}
stdf_transform_every_int_templ<int, int const &>(&a[0], 5, &muh);
// a == {6, 7, 8, 9, 10}
stdf_transform_every_int_templ<int, int &>(&a[0], 5, &woof);
Note: std_ftransform_every_int
(non templated version; see above) does work with foo
but not using muh
.
// Let
void print_int(int * p, unsigned const n)
{
bool f{ true };
for (unsigned i = 0; i < n; ++i)
{
std::cout << (f ? "" : " ") << p[i];
f = false;
}
std::cout << "\n";
}
The plain templated parameter of transform_every_int_templ
can be every possible callable type.
int a[5] = { 1, 2, 3, 4, 5 };
print_int(a, 5);
transform_every_int_templ(&a[0], 5, foo);
print_int(a, 5);
transform_every_int_templ(&a[0], 5, muh);
print_int(a, 5);
transform_every_int_templ(&a[0], 5, woof);
print_int(a, 5);
transform_every_int_templ(&a[0], 5, [](int x) -> int { return x + x + x; });
print_int(a, 5);
transform_every_int_templ(&a[0], 5, Meow{ 4 });
print_int(a, 5);
using std::placeholders::_1;
transform_every_int_templ(&a[0], 5, std::bind(foo_2, _1, 3));
print_int(a, 5);
transform_every_int_templ(&a[0], 5, std::function<int(int)>{&foo});
print_int(a, 5);
The above code prints:
1 2 3 4 5
transform_every_int_templ <int(*)(int)>
3 4 5 6 7
transform_every_int_templ <int(*)(int&)>
6 8 10 12 14
transform_every_int_templ <int& (*)(int&)>
9 11 13 15 17
transform_every_int_templ <main::{lambda(int)#1} >
27 33 39 45 51
transform_every_int_templ <Meow>
108 132 156 180 204
transform_every_int_templ <std::_Bind<int(*(std::_Placeholder<1>, int))(int, int)>>
975 1191 1407 1623 1839
transform_every_int_templ <std::function<int(int)>>
977 1193 1409 1625 1841
type_name
implementation used above#include <type_traits>
#include <typeinfo>
#include <string>
#include <memory>
#include <cxxabi.h>
template <class T>
std::string type_name()
{
typedef typename std::remove_reference<T>::type TR;
std::unique_ptr<char, void(*)(void*)> own
(abi::__cxa_demangle(typeid(TR).name(), nullptr,
nullptr, nullptr), std::free);
std::string r = own != nullptr?own.get():typeid(TR).name();
if (std::is_const<TR>::value)
r += " const";
if (std::is_volatile<TR>::value)
r += " volatile";
if (std::is_lvalue_reference<T>::value)
r += " &";
else if (std::is_rvalue_reference<T>::value)
r += " &&";
return r;
}
Have a look at GROUP_CONCAT
if your MySQL version (4.1) supports it. See the documentation for more details.
It would look something like:
SELECT GROUP_CONCAT(hobbies SEPARATOR ', ')
FROM peoples_hobbies
WHERE person_id = 5
GROUP BY 'all';
ToAddress = "[email protected]"
ToAddress1 = "[email protected]"
ToAddress2 = "[email protected]"
MessageSubject = "It works!."
Set ol = CreateObject("Outlook.Application")
Set newMail = ol.CreateItem(olMailItem)
newMail.Subject = MessageSubject
newMail.RecipIents.Add(ToAddress)
newMail.RecipIents.Add(ToAddress1)
newMail.RecipIents.Add(ToAddress2)
newMail.Send
The difference between static and instantiated methods and properties seem to be one of the biggest obstacles to those just starting out with OOP PHP in PHP 5.
The double colon operator (which is called the Paamayim Nekudotayim from Hebrew - trivia) is used when calling an object or property from a static context. This means an instance of the object has not been created yet.
The arrow operator, conversely, calls methods or properties that from a reference of an instance of the object.
Static methods can be especially useful in object models that are linked to a database for create and delete methods, since you can set the return value to the inserted table id and then use the constructor to instantiate the object by the row id.
The simplest option is to use a global variable. Then create a function that gets the current word.
current_word = ''
def oneFunction(lists):
global current_word
word=random.choice(lists[category])
current_word = word
def anotherFunction():
for letter in get_word():
print("_",end=" ")
def get_word():
return current_word
The advantage of this is that maybe your functions are in different modules and need to access the variable.
This worked for me Angular cli 6.x:
import {Router} from '@angular/router';
constructor(private artistService: ArtistService, private router: Router) { }
selectRow(id: number): void{
this.router.navigate([`./artist-detail/${id}`]);
}
Answer to add multiple markers.
UPDATE (GEOCODE MULTIPLE ADDRESSES)
Here's the working Example Geocoding with multiple addresses.
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
var delay = 100;
var infowindow = new google.maps.InfoWindow();
var latlng = new google.maps.LatLng(21.0000, 78.0000);
var mapOptions = {
zoom: 5,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
}
var geocoder = new google.maps.Geocoder();
var map = new google.maps.Map(document.getElementById("map"), mapOptions);
var bounds = new google.maps.LatLngBounds();
function geocodeAddress(address, next) {
geocoder.geocode({address:address}, function (results,status)
{
if (status == google.maps.GeocoderStatus.OK) {
var p = results[0].geometry.location;
var lat=p.lat();
var lng=p.lng();
createMarker(address,lat,lng);
}
else {
if (status == google.maps.GeocoderStatus.OVER_QUERY_LIMIT) {
nextAddress--;
delay++;
} else {
}
}
next();
}
);
}
function createMarker(add,lat,lng) {
var contentString = add;
var marker = new google.maps.Marker({
position: new google.maps.LatLng(lat,lng),
map: map,
});
google.maps.event.addListener(marker, 'click', function() {
infowindow.setContent(contentString);
infowindow.open(map,marker);
});
bounds.extend(marker.position);
}
var locations = [
'New Delhi, India',
'Mumbai, India',
'Bangaluru, Karnataka, India',
'Hyderabad, Ahemdabad, India',
'Gurgaon, Haryana, India',
'Cannaught Place, New Delhi, India',
'Bandra, Mumbai, India',
'Nainital, Uttranchal, India',
'Guwahati, India',
'West Bengal, India',
'Jammu, India',
'Kanyakumari, India',
'Kerala, India',
'Himachal Pradesh, India',
'Shillong, India',
'Chandigarh, India',
'Dwarka, New Delhi, India',
'Pune, India',
'Indore, India',
'Orissa, India',
'Shimla, India',
'Gujarat, India'
];
var nextAddress = 0;
function theNext() {
if (nextAddress < locations.length) {
setTimeout('geocodeAddress("'+locations[nextAddress]+'",theNext)', delay);
nextAddress++;
} else {
map.fitBounds(bounds);
}
}
theNext();
</script>
As we can resolve this issue with setTimeout()
function.
Still we should not geocode known locations every time you load your page as said by @geocodezip
Another alternatives of these are explained very well in the following links:
How To Avoid GoogleMap Geocode Limit!
MySQL use this system variable to control where you can import you files
mysql> SHOW VARIABLES LIKE "secure_file_priv";
+------------------+-------+
| Variable_name | Value |
+------------------+-------+
| secure_file_priv | NULL |
+------------------+-------+
So problem is how to change system variables such as secure_file_priv
.
mysqld
sudo mysqld_safe --secure_file_priv=""
now you may see like this:
mysql> SHOW VARIABLES LIKE "secure_file_priv";
+------------------+-------+
| Variable_name | Value |
+------------------+-------+
| secure_file_priv | |
+------------------+-------+
Use below code snippet to achieve this.:
$('#checkAll').click(function(){
$("#checkboxes input").attr('checked','checked');
});
$('#UncheckAll').click(function(){
$("#checkboxes input").attr('checked',false);
});
Or you can do the same with single check box:
$('#checkAll').click(function(e) {
if($('#checkAll').attr('checked') == 'checked') {
$("#checkboxes input").attr('checked','checked');
$('#checkAll').val('off');
} else {
$("#checkboxes input").attr('checked', false);
$('#checkAll').val('on');
}
});
For demo: http://jsfiddle.net/creativegala/hTtxe/
This way worked for me:
adding the path that you like:
export PYTHONPATH=$PYTHONPATH:/path/you/want/to/add
checking: you can run 'export' cmd and check the output or you can check it using this cmd:
python -c "import sys; print(sys.path)"
If you have the product's ID you can use that to create a product object:
$_product = wc_get_product( $product_id );
Then from the object you can run any of WooCommerce's product methods.
$_product->get_regular_price();
$_product->get_sale_price();
$_product->get_price();
Update
Please review the Codex article on how to write your own shortcode.
Integrating the WooCommerce product data might look something like this:
function so_30165014_price_shortcode_callback( $atts ) {
$atts = shortcode_atts( array(
'id' => null,
), $atts, 'bartag' );
$html = '';
if( intval( $atts['id'] ) > 0 && function_exists( 'wc_get_product' ) ){
$_product = wc_get_product( $atts['id'] );
$html = "price = " . $_product->get_price();
}
return $html;
}
add_shortcode( 'woocommerce_price', 'so_30165014_price_shortcode_callback' );
Your shortcode would then look like [woocommerce_price id="99"]
You might have set oracle not to start automatically. Goto Start and search for Services. Scroll down and look for OracleServiceORCL (or OracleServiceSID). Double click and change startup type to automatic if it is set as manual.
If you're on Linux, or have cygwin available on Windows, you can run the input XML through a simple sed script that will replace <Active>True</Active>
with <Active>true</Active>
, like so:
cat <your XML file> | sed 'sX<Active>True</Active>X<Active>true</Active>X' | xmllint --schema -
If you're not, you can still use a non-validating xslt pocessor (xalan, saxon etc.) to run a simple xslt transformation on the input, and only then pipe it to xmllint.
What the xsl should contain something like below, for the example you listed above (the xslt processor should be 2.0 capable):
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<xsl:for-each select="XML">
<xsl:for-each select="Active">
<xsl:value-of select=" replace(current(), 'True','true')"/>
</xsl:for-each>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
See also here: http://sqlblog.com/blogs/alexander_kuznetsov/archive/2008/06/26/fun-with-dbcc-chekident.aspx
This is documented behavior, why do you run CHECKIDENT if you recreate the table, in that case skip the step or use TRUNCATE (if you don't have FK relationships)
I released a library based on my answer below.
It mimics the Shortcuts application overlay. See this article for details.
The main component of the library is the OverlayContainerViewController
. It defines an area where a view controller can be dragged up and down, hiding or revealing the content underneath it.
let contentController = MapsViewController()
let overlayController = SearchViewController()
let containerController = OverlayContainerViewController()
containerController.delegate = self
containerController.viewControllers = [
contentController,
overlayController
]
window?.rootViewController = containerController
Implement OverlayContainerViewControllerDelegate
to specify the number of notches wished:
enum OverlayNotch: Int, CaseIterable {
case minimum, medium, maximum
}
func numberOfNotches(in containerViewController: OverlayContainerViewController) -> Int {
return OverlayNotch.allCases.count
}
func overlayContainerViewController(_ containerViewController: OverlayContainerViewController,
heightForNotchAt index: Int,
availableSpace: CGFloat) -> CGFloat {
switch OverlayNotch.allCases[index] {
case .maximum:
return availableSpace * 3 / 4
case .medium:
return availableSpace / 2
case .minimum:
return availableSpace * 1 / 4
}
}
A SwiftUI version of the library is now available.
Color.red.dynamicOverlay(Color.green)
I think there is a significant point that is not treated in the suggested solutions: the transition between the scroll and the translation.
In Maps, as you may have noticed, when the tableView reaches contentOffset.y == 0
, the bottom sheet either slides up or goes down.
The point is tricky because we can not simply enable/disable the scroll when our pan gesture begins the translation. It would stop the scroll until a new touch begins. This is the case in most of the proposed solutions here.
Here is my try to implement this motion.
To start our investigation, let's visualize the view hierarchy of Maps (start Maps on a simulator and select Debug
> Attach to process by PID or Name
> Maps
in Xcode 9).
It doesn't tell how the motion works, but it helped me to understand the logic of it. You can play with the lldb and the view hierarchy debugger.
Let's create a basic version of the Maps ViewController architecture.
We start with a BackgroundViewController
(our map view):
class BackgroundViewController: UIViewController {
override func loadView() {
view = MKMapView()
}
}
We put the tableView in a dedicated UIViewController
:
class OverlayViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
lazy var tableView = UITableView()
override func loadView() {
view = tableView
tableView.dataSource = self
tableView.delegate = self
}
[...]
}
Now, we need a VC to embed the overlay and manage its translation.
To simplify the problem, we consider that it can translate the overlay from one static point OverlayPosition.maximum
to another OverlayPosition.minimum
.
For now it only has one public method to animate the position change and it has a transparent view:
enum OverlayPosition {
case maximum, minimum
}
class OverlayContainerViewController: UIViewController {
let overlayViewController: OverlayViewController
var translatedViewHeightContraint = ...
override func loadView() {
view = UIView()
}
func moveOverlay(to position: OverlayPosition) {
[...]
}
}
Finally we need a ViewController to embed the all:
class StackViewController: UIViewController {
private var viewControllers: [UIViewController]
override func viewDidLoad() {
super.viewDidLoad()
viewControllers.forEach { gz_addChild($0, in: view) }
}
}
In our AppDelegate, our startup sequence looks like:
let overlay = OverlayViewController()
let containerViewController = OverlayContainerViewController(overlayViewController: overlay)
let backgroundViewController = BackgroundViewController()
window?.rootViewController = StackViewController(viewControllers: [backgroundViewController, containerViewController])
Now, how to translate our overlay?
Most of the proposed solutions use a dedicated pan gesture recognizer, but we actually already have one : the pan gesture of the table view.
Moreover, we need to keep the scroll and the translation synchronised and the UIScrollViewDelegate
has all the events we need!
A naive implementation would use a second pan Gesture and try to reset the contentOffset
of the table view when the translation occurs:
func panGestureAction(_ recognizer: UIPanGestureRecognizer) {
if isTranslating {
tableView.contentOffset = .zero
}
}
But it does not work. The tableView updates its contentOffset
when its own pan gesture recognizer action triggers or when its displayLink callback is called. There is no chance that our recognizer triggers right after those to successfully override the contentOffset
.
Our only chance is either to take part of the layout phase (by overriding layoutSubviews
of the scroll view calls at each frame of the scroll view) or to respond to the didScroll
method of the delegate called each time the contentOffset
is modified. Let's try this one.
We add a delegate to our OverlayVC
to dispatch the scrollview's events to our translation handler, the OverlayContainerViewController
:
protocol OverlayViewControllerDelegate: class {
func scrollViewDidScroll(_ scrollView: UIScrollView)
func scrollViewDidStopScrolling(_ scrollView: UIScrollView)
}
class OverlayViewController: UIViewController {
[...]
func scrollViewDidScroll(_ scrollView: UIScrollView) {
delegate?.scrollViewDidScroll(scrollView)
}
func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
delegate?.scrollViewDidStopScrolling(scrollView)
}
}
In our container, we keep track of the translation using a enum:
enum OverlayInFlightPosition {
case minimum
case maximum
case progressing
}
The current position calculation looks like :
private var overlayInFlightPosition: OverlayInFlightPosition {
let height = translatedViewHeightContraint.constant
if height == maximumHeight {
return .maximum
} else if height == minimumHeight {
return .minimum
} else {
return .progressing
}
}
We need 3 methods to handle the translation:
The first one tells us if we need to start the translation.
private func shouldTranslateView(following scrollView: UIScrollView) -> Bool {
guard scrollView.isTracking else { return false }
let offset = scrollView.contentOffset.y
switch overlayInFlightPosition {
case .maximum:
return offset < 0
case .minimum:
return offset > 0
case .progressing:
return true
}
}
The second one performs the translation. It uses the translation(in:)
method of the scrollView's pan gesture.
private func translateView(following scrollView: UIScrollView) {
scrollView.contentOffset = .zero
let translation = translatedViewTargetHeight - scrollView.panGestureRecognizer.translation(in: view).y
translatedViewHeightContraint.constant = max(
Constant.minimumHeight,
min(translation, Constant.maximumHeight)
)
}
The third one animates the end of the translation when the user releases its finger. We calculate the position using the velocity & the current position of the view.
private func animateTranslationEnd() {
let position: OverlayPosition = // ... calculation based on the current overlay position & velocity
moveOverlay(to: position)
}
Our overlay's delegate implementation simply looks like :
class OverlayContainerViewController: UIViewController {
func scrollViewDidScroll(_ scrollView: UIScrollView) {
guard shouldTranslateView(following: scrollView) else { return }
translateView(following: scrollView)
}
func scrollViewDidStopScrolling(_ scrollView: UIScrollView) {
// prevent scroll animation when the translation animation ends
scrollView.isEnabled = false
scrollView.isEnabled = true
animateTranslationEnd()
}
}
The translation is now pretty efficient. But there is still a final problem: the touches are not delivered to our background view. They are all intercepted by the overlay container's view.
We can not set isUserInteractionEnabled
to false
because it would also disable the interaction in our table view. The solution is the one used massively in the Maps app, PassThroughView
:
class PassThroughView: UIView {
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
let view = super.hitTest(point, with: event)
if view == self {
return nil
}
return view
}
}
It removes itself from the responder chain.
In OverlayContainerViewController
:
override func loadView() {
view = PassThroughView()
}
Here is the result:
You can find the code here.
Please if you see any bugs, let me know ! Note that your implementation can of course use a second pan gesture, specially if you add a header in your overlay.
We can replace scrollViewDidEndDragging
with
willEndScrollingWithVelocity
rather than enabling
/disabling
the scroll when the user ends dragging:
func scrollView(_ scrollView: UIScrollView,
willEndScrollingWithVelocity velocity: CGPoint,
targetContentOffset: UnsafeMutablePointer<CGPoint>) {
switch overlayInFlightPosition {
case .maximum:
break
case .minimum, .progressing:
targetContentOffset.pointee = .zero
}
animateTranslationEnd(following: scrollView)
}
We can use a spring animation and allow user interaction while animating to make the motion flow better:
func moveOverlay(to position: OverlayPosition,
duration: TimeInterval,
velocity: CGPoint) {
overlayPosition = position
translatedViewHeightContraint.constant = translatedViewTargetHeight
UIView.animate(
withDuration: duration,
delay: 0,
usingSpringWithDamping: velocity.y == 0 ? 1 : 0.6,
initialSpringVelocity: abs(velocity.y),
options: [.allowUserInteraction],
animations: {
self.view.layoutIfNeeded()
}, completion: nil)
}
lvalue
means "left value" -- it should be assignable. You cannot change the value of text
since it is an array, not a pointer.
Either declare it as char pointer (in this case it's better to declare it as const char*
):
const char *text;
if(number == 2)
text = "awesome";
else
text = "you fail";
Or use strcpy:
char text[60];
if(number == 2)
strcpy(text, "awesome");
else
strcpy(text, "you fail");
I'd share what I did, which works not only for Git, but MSYS/MinGW as well.
The HOME
environment variable is not normally set for Windows applications, so creating it through Windows did not affect anything else. From the Computer Properties (right-click on Computer - or whatever it is named - in Explorer, and select Properties, or Control Panel -> System and Security -> System), choose Advanced system settings
, then Environment Variables...
and create a new one, HOME
, and assign it wherever you like.
If you can't create new environment variables, the other answer will still work. (I went through the details of how to create environment variables precisely because it's so dificult to find.)
If width:100%
works in any cases, just use that, otherwise you can use vw
in this case which is relative to 1% of the width of the viewport.
That means if you want to cover off the width, just use 100vw
.
Look at the image I draw for you here:
Try the snippet I created for you as below:
.full-width {_x000D_
width: 100vw;_x000D_
height: 100px;_x000D_
margin-bottom: 40px;_x000D_
background-color: red;_x000D_
}_x000D_
_x000D_
.one-vw-width {_x000D_
width: 1vw;_x000D_
height: 100px;_x000D_
background-color: red;_x000D_
}
_x000D_
<div class="full-width"></div>_x000D_
<div class="one-vw-width"></div>
_x000D_
You should create a variable of the type SelectionneNonSelectionne.
struct SelectionneNonSelectionne var;
After that pass that variable to the function like
characterSelection(screen, var);
The error is caused since you are passing the type name SelectionneNonSelectionne
See also these answers.
In particular it wasn't too difficult to use abego TreeLayout to produce results shown below with the default settings.
If you try that tool, note this caveat: It prints children in the order they were added. For a BST where left vs right matters I found this library to be inappropriate without modification.
Also, the method to add children simply takes a parent
and child
node as parameters. (So to process a bunch of nodes, you must take the first one separately to create a root.)
I ended up using this solution above, modifying it to take in the type <Node>
so as to have access to Node
's left and right (children).
Disclaimer: this is the Swift
version of how to create a delegate
.
So, what are delegates? …in software development, there are general reusable solution architectures that help to solve commonly occurring problems within a given context, these “templates”, so to speak, are best known as design patterns. Delegates are a design pattern that allows one object to send messages to another object when a specific event happens. Imagine an object A calls an object B to perform an action. Once the action is complete, object A should know that B has completed the task and take necessary action, this can be achieved with the help of delegates!
For a better explanation, I am going to show you how to create a custom delegate that passes data between classes, with Swift in a simple application,start by downloading or cloning this starter project and run it!
You can see an app with two classes, ViewController A
and ViewController B
. B has two views that on tap changes the background color of the ViewController
, nothing too complicated right? well now let’s think in an easy way to also change the background color of class A when the views on class B are tapped.
The problem is that this views are part of class B and have no idea about class A, so we need to find a way to communicate between this two classes, and that’s where delegation shines. I divided the implementation into 6 steps so you can use this as a cheat sheet when you need it.
step 1: Look for the pragma mark step 1 in ClassBVC file and add this
//MARK: step 1 Add Protocol here.
protocol ClassBVCDelegate: class {
func changeBackgroundColor(_ color: UIColor?)
}
The first step is to create a protocol
, in this case, we will create the protocol in class B, inside the protocol you can create as many functions that you want based on the requirements of your implementation. In this case, we just have one simple function that accepts an optional UIColor
as an argument.
Is a good practice to name your protocols adding the word delegate
at the end of the class name, in this case, ClassBVCDelegate
.
step 2: Look for the pragma mark step 2 in ClassVBC
and add this
//MARK: step 2 Create a delegate property here.
weak var delegate: ClassBVCDelegate?
Here we just create a delegate property for the class, this property must adopt the protocol
type, and it should be optional. Also, you should add the weak keyword before the property to avoid retain cycles and potential memory leaks, if you don’t know what that means don’t worry for now, just remember to add this keyword.
step 3: Look for the pragma mark step 3 inside the handleTap method
in ClassBVC
and add this
//MARK: step 3 Add the delegate method call here.
delegate?.changeBackgroundColor(tapGesture.view?.backgroundColor)
One thing that you should know, run the app and tap on any view, you won’t see any new behavior and that’s correct but the thing that I want to point out is that the app it’s not crashing when the delegate is called, and it’s because we create it as an optional value and that’s why it won’t crash even the delegated doesn’t exist yet. Let’s now go to ClassAVC
file and make it, the delegated.
step 4: Look for the pragma mark step 4 inside the handleTap method in ClassAVC
and add this next to your class type like this.
//MARK: step 4 conform the protocol here.
class ClassAVC: UIViewController, ClassBVCDelegate {
}
Now ClassAVC adopted the ClassBVCDelegate
protocol, you can see that your compiler is giving you an error that says “Type ‘ClassAVC does not conform to protocol ‘ClassBVCDelegate’ and this only means that you didn’t use the methods of the protocol yet, imagine that when class A adopts the protocol is like signing a contract with class B and this contract says “Any class adopting me MUST use my functions!”
Quick note: If you come from an Objective-C
background you are probably thinking that you can also shut up that error making that method optional, but for my surprise, and probably yours, Swift
language does not support optional protocols
, if you want to do it you can create an extension for your protocol
or use the @objc keyword in your protocol
implementation.
Personally, If I have to create a protocol with different optional methods I would prefer to break it into different protocols
, that way I will follow the concept of giving one single responsibility to my objects, but it can vary based on the specific implementation.
here is a good article about optional methods.
step 5: Look for the pragma mark step 5 inside the prepare for segue method and add this
//MARK: step 5 create a reference of Class B and bind them through the `prepareforsegue` method.
if let nav = segue.destination as? UINavigationController, let classBVC = nav.topViewController as? ClassBVC {
classBVC.delegate = self
}
Here we are just creating an instance of ClassBVC
and assign its delegate to self, but what is self here? well, self is the ClassAVC
which has been delegated!
step 6: Finally, look for the pragma step 6 in ClassAVC
and let’s use the functions of the protocol
, start typing func changeBackgroundColor and you will see that it’s auto-completing it for you. You can add any implementation inside it, in this example, we will just change the background color, add this.
//MARK: step 6 finally use the method of the contract
func changeBackgroundColor(_ color: UIColor?) {
view.backgroundColor = color
}
Now run the app!
Delegates
are everywhere and you probably use them without even notice, if you create a tableview
in the past you used delegation, many classes of UIKIT
works around them and many other frameworks
too, they solve these main problems.
Congratulations, you just implement a custom delegate, I know that you are probably thinking, so much trouble just for this? well, delegation is a very important design pattern to understand if you want to become an iOS
developer, and always keep in mind that they have one to one relationship between objects.
You can see the original tutorial here
I am not a big fan of if...else; so I took a simpler approach.
$(document).ready(function(event) {
$('ul.nav.nav-tabs a:first').tab('show'); // Select first tab
$('ul.nav.nav-tabs a[href="'+ window.location.hash+ '"]').tab('show'); // Select tab by name if provided in location hash
$('ul.nav.nav-tabs a[data-toggle="tab"]').on('shown', function (event) { // Update the location hash to current tab
window.location.hash= event.target.hash;
})
});
Doesn't address scrolling to requested hash; but should it?
The following worked for me:
The interface consist of you logic methods plus additional identity method:
public interface MyService {
String getType();
void checkStatus();
}
Some implementations:
@Component
public class MyServiceOne implements MyService {
@Override
public String getType() {
return "one";
}
@Override
public void checkStatus() {
// Your code
}
}
@Component
public class MyServiceTwo implements MyService {
@Override
public String getType() {
return "two";
}
@Override
public void checkStatus() {
// Your code
}
}
@Component
public class MyServiceThree implements MyService {
@Override
public String getType() {
return "three";
}
@Override
public void checkStatus() {
// Your code
}
}
And the factory itself as following:
@Service
public class MyServiceFactory {
@Autowired
private List<MyService> services;
private static final Map<String, MyService> myServiceCache = new HashMap<>();
@PostConstruct
public void initMyServiceCache() {
for(MyService service : services) {
myServiceCache.put(service.getType(), service);
}
}
public static MyService getService(String type) {
MyService service = myServiceCache.get(type);
if(service == null) throw new RuntimeException("Unknown service type: " + type);
return service;
}
}
I've found such implementation easier, cleaner and much more extensible. Adding new MyService is as easy as creating another spring bean implementing same interface without making any changes in other places.
I figured it out! The page was rendering using IE8 mode... had
<meta http-equiv="X-UA-Compatible" content="IE=8">
in the header... changed it to
<meta http-equiv="X-UA-Compatible" content="IE=9">
9 and it worked!
I have used the following method in a project and it's working successfully.
private string identifier(string wmiClass, string wmiProperty)
//Return a hardware identifier
{
string result = "";
System.Management.ManagementClass mc = new System.Management.ManagementClass(wmiClass);
System.Management.ManagementObjectCollection moc = mc.GetInstances();
foreach (System.Management.ManagementObject mo in moc)
{
//Only get the first one
if (result == "")
{
try
{
result = mo[wmiProperty].ToString();
break;
}
catch
{
}
}
}
return result;
}
you can call the above method as mentioned below,
string modelNo = identifier("Win32_DiskDrive", "Model");
string manufatureID = identifier("Win32_DiskDrive", "Manufacturer");
string signature = identifier("Win32_DiskDrive", "Signature");
string totalHeads = identifier("Win32_DiskDrive", "TotalHeads");
If you need a unique identifier, use a combination of these IDs.
If you don't need to use reflection and you have an object, you can use this:
if(myObject is IMyInterface )
{
// it's implementing IMyInterface
}
Actually you don't have to deal with the static metamodel if you had your annotations right.
With the following entities :
@Entity
public class Pet {
@Id
protected Long id;
protected String name;
protected String color;
@ManyToOne
protected Set<Owner> owners;
}
@Entity
public class Owner {
@Id
protected Long id;
protected String name;
}
You can use this :
CriteriaQuery<Pet> cq = cb.createQuery(Pet.class);
Metamodel m = em.getMetamodel();
EntityType<Pet> petMetaModel = m.entity(Pet.class);
Root<Pet> pet = cq.from(Pet.class);
Join<Pet, Owner> owner = pet.join(petMetaModel.getSet("owners", Owner.class));
I don't think the order can be guaranteed, otherwise it would be easy enough to slice the second half of Object.entries
result and map from there.
The only (very minor) issues with the answers above is that
type StandardEnum = { [id: string]: number | string; [nu: number]: string;}
function enumToList<T extends StandardEnum> (enm: T) : { id: number; description: string }[] {
return Object.entries(enm).reduce((accum, kv) => {
if (typeof kv[1] === 'number') {
accum.push({ id: kv[1], description: kv[0] })
}
return accum
}, []) // if enum is huge, perhaps pre-allocate with new Array(entries.length / 2), however then push won't work, so tracking an index would also be required
}
Yes using Interface is a hassle because anytime we add a method in the class we have to add the signature in the interface. Also, what if we already have a class with a bunch of methods but no Interface for it? we have to manually create Interface for all the classes that we want to inherit from. And the worst thing is, we have to implement all methods in the Interfaces in the child class if the child class is to inherit from the multiple interface.
By following Facade design pattern we can simulate inheriting from multiple classes using accessors. Declare the classes as properties with {get;set;} inside the class that need to inherit and all public properties and methods are from that class, and in the constructor of the child class instantiate the parent classes.
For example:
namespace OOP
{
class Program
{
static void Main(string[] args)
{
Child somechild = new Child();
somechild.DoHomeWork();
somechild.CheckingAround();
Console.ReadLine();
}
}
public class Father
{
public Father() { }
public void Work()
{
Console.WriteLine("working...");
}
public void Moonlight()
{
Console.WriteLine("moonlighting...");
}
}
public class Mother
{
public Mother() { }
public void Cook()
{
Console.WriteLine("cooking...");
}
public void Clean()
{
Console.WriteLine("cleaning...");
}
}
public class Child
{
public Father MyFather { get; set; }
public Mother MyMother { get; set; }
public Child()
{
MyFather = new Father();
MyMother = new Mother();
}
public void GoToSchool()
{
Console.WriteLine("go to school...");
}
public void DoHomeWork()
{
Console.WriteLine("doing homework...");
}
public void CheckingAround()
{
MyFather.Work();
MyMother.Cook();
}
}
}
with this structure class Child will have access to all methods and properties of Class Father and Mother, simulating multiple inheritance, inheriting an instance of the parent classes. Not quite the same but it is practical.
well, just a quick and dirty suggestion for simple 1-level directory structure without spaces, [edit] and for directories containing only ONE type of files that I found useful (at some point from http://www.pcreview.co.uk/forums/can-check-if-folder-empty-bat-file-t1468868.html):
for /f %a in ('dir /ad/b') do if not exist %a\*.xml echo %a Empty
/ad : shows only directory entries
/b : use bare format (just names)
[edit] using plain asterisk to check for ANY file (%a\* above) won't work, thanks for correction
therefore, deleting would be:
for /f %a in ('dir /ad/b') do if not exist %a\*.xml rmdir %a
I know this question is old but I spend an hour trying to export a complex query to csv and I wanted to share my thoughts. First I couldn't get any of the json to csv converters to work (although this one looked promising). What I ended up doing was manually writing the csv file in my mongo script.
This is a simple version but essentially what I did:
print("name,id,email");
db.User.find().forEach(function(user){
print(user.name+","+user._id.valueOf()+","+user.email);
});
This I just piped the query to stdout
mongo test export.js > out.csv
where test
is the name of the database I use.
No CURSOR, WHILE loop, or User-Defined Function needed.
Just need to be creative with FOR XML and PATH.
[Note: This solution only works on SQL 2005 and later. Original question didn't specify the version in use.]
CREATE TABLE #YourTable ([ID] INT, [Name] CHAR(1), [Value] INT)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'A',4)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (1,'B',8)
INSERT INTO #YourTable ([ID],[Name],[Value]) VALUES (2,'C',9)
SELECT
[ID],
STUFF((
SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX))
FROM #YourTable
WHERE (ID = Results.ID)
FOR XML PATH(''),TYPE).value('(./text())[1]','VARCHAR(MAX)')
,1,2,'') AS NameValues
FROM #YourTable Results
GROUP BY ID
DROP TABLE #YourTable
According to the Go spec, the order of iteration over a map is undefined, and may vary between runs of the program. In practice, not only is it undefined, it's actually intentionally randomized. This is because it used to be predictable, and the Go language developers didn't want people relying on unspecified behavior, so they intentionally randomized it so that relying on this behavior was impossible.
What you'll have to do, then, is pull the keys into a slice, sort them, and then range over the slice like this:
var m map[keyType]valueType
keys := sliceOfKeys(m) // you'll have to implement this
for _, k := range keys {
v := m[k]
// k is the key and v is the value; do your computation here
}
You could try jsawk as suggested in this answer.
Really you could whip up a quick python script to do this though.
For the recent version of MySQL,
default-character-set = utf8
causes a problem. It's deprecated I think.
As Justin Ball says in "Upgrade to MySQL 5.5.12 and now MySQL won’t start, you should:
Remove that directive and you should be good.
Then your configuration file ('/etc/my.cnf' for example) should look like that:
[mysqld]
collation-server = utf8_unicode_ci
init-connect='SET NAMES utf8'
character-set-server = utf8
Restart MySQL.
For making sure, your MySQL is UTF-8, run the following queries in your MySQL prompt:
First query:
mysql> show variables like 'char%';
The output should look like:
+--------------------------+---------------------------------+
| Variable_name | Value |
+--------------------------+---------------------------------+
| character_set_client | utf8 |
| character_set_connection | utf8 |
| character_set_database | utf8 |
| character_set_filesystem | binary |
| character_set_results | utf8 |
| character_set_server | utf8 |
| character_set_system | utf8 |
| character_sets_dir | /usr/local/mysql/share/charsets/|
+--------------------------+---------------------------------+
Second query:
mysql> show variables like 'collation%';
And the query output is:
+----------------------+-----------------+
| Variable_name | Value |
+----------------------+-----------------+
| collation_connection | utf8_general_ci |
| collation_database | utf8_unicode_ci |
| collation_server | utf8_unicode_ci |
+----------------------+-----------------+
Convert a String to ByteBuffer, then from ByteBuffer back to String using Java:
import java.nio.charset.Charset;
import java.nio.*;
String babel = "obufscate thdé alphebat and yolo!!";
System.out.println(babel);
//Convert string to ByteBuffer:
ByteBuffer babb = Charset.forName("UTF-8").encode(babel);
try{
//Convert ByteBuffer to String
System.out.println(new String(babb.array(), "UTF-8"));
}
catch(Exception e){
e.printStackTrace();
}
Which prints the printed bare string first, and then the ByteBuffer casted to array():
obufscate thdé alphebat and yolo!!
obufscate thdé alphebat and yolo!!
Also this was helpful for me, reducing the string to primitive bytes can help inspect what's going on:
String text = "?????";
//convert utf8 text to a byte array
byte[] array = text.getBytes("UTF-8");
//convert the byte array back to a string as UTF-8
String s = new String(array, Charset.forName("UTF-8"));
System.out.println(s);
//forcing strings encoded as UTF-8 as an incorrect encoding like
//say ISO-8859-1 causes strange and undefined behavior
String sISO = new String(array, Charset.forName("ISO-8859-1"));
System.out.println(sISO);
Prints your string interpreted as UTF-8, and then again as ISO-8859-1:
?????
ããã«ã¡ã¯
A minor update to this: a sender should never set the Return-Path:
header. There's no such thing as a Return-Path:
header for a message in transit. That header is set by the MTA that makes final delivery, and is generally set to the value of the 5321.From
unless the local system needs some kind of quirky routing.
It's a common misunderstanding because users rarely see an email without a Return-Path:
header in their mailboxes. This is because they always see delivered messages, but an MTA should never see a Return-Path:
header on a message in transit. See http://tools.ietf.org/html/rfc5321#section-4.4
To override the error that you might experience in Chrome (and probably in Safari), try to set the Ajax parameter as dataType: "json"
. Then you shouldn't call parseJSON()
on the obj
because the response you'll get comes deserialized.
AFAIK there is no way to visually see line endings in the editor space, but in the bottom-right corner of the window there is an indicator that says "CLRF" or "LF" which will let you set the line endings for a particular file. Clicking on the text will allow you to change the line endings as well.
You can put the script into a separate file, then use $.getScript
to load and run it.
Example:
$.getScript("test.js", function(){
alert("Running test.js");
});
This is probably not the main reason why the create_all()
method call doesn't work for people, but for me, the cobbled together instructions from various tutorials have it such that I was creating my db in a request context, meaning I have something like:
# lib/db.py
from flask import g, current_app
from flask_sqlalchemy import SQLAlchemy
def get_db():
if 'db' not in g:
g.db = SQLAlchemy(current_app)
return g.db
I also have a separate cli command that also does the create_all:
# tasks/db.py
from lib.db import get_db
@current_app.cli.command('init-db')
def init_db():
db = get_db()
db.create_all()
I also am using a application factory.
When the cli command is run, a new app context is used, which means a new db is used. Furthermore, in this world, an import model in the init_db method does not do anything, because it may be that your model file was already loaded(and associated with a separate db).
The fix that I came around to was to make sure that the db was a single global reference:
# lib/db.py
from flask import g, current_app
from flask_sqlalchemy import SQLAlchemy
db = None
def get_db():
global db
if not db:
db = SQLAlchemy(current_app)
return db
I have not dug deep enough into flask, sqlalchemy, or flask-sqlalchemy to understand if this means that requests to the db from multiple threads are safe, but if you're reading this you're likely stuck in the baby stages of understanding these concepts too.
Once you have detected the bounding box of the document, you can perform a four-point perspective transform to obtain a top-down birds eye view of the image. This will fix the skew and isolate only the desired object.
Input image:
Detected text object
Top-down view of text document
Code
from imutils.perspective import four_point_transform
import cv2
import numpy
# Load image, grayscale, Gaussian blur, Otsu's threshold
image = cv2.imread("1.png")
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
blur = cv2.GaussianBlur(gray, (7,7), 0)
thresh = cv2.threshold(blur, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU)[1]
# Find contours and sort for largest contour
cnts = cv2.findContours(thresh, cv2.RETR_EXTERNAL,cv2.CHAIN_APPROX_SIMPLE)
cnts = cnts[0] if len(cnts) == 2 else cnts[1]
cnts = sorted(cnts, key=cv2.contourArea, reverse=True)
displayCnt = None
for c in cnts:
# Perform contour approximation
peri = cv2.arcLength(c, True)
approx = cv2.approxPolyDP(c, 0.02 * peri, True)
if len(approx) == 4:
displayCnt = approx
break
# Obtain birds' eye view of image
warped = four_point_transform(image, displayCnt.reshape(4, 2))
cv2.imshow("thresh", thresh)
cv2.imshow("warped", warped)
cv2.imshow("image", image)
cv2.waitKey()
For some reason Patrick Cuff's code doesn't work on my system (Windows 7) probably due to tryingToBeClever's comment. Modifying it a little did the trick:
@echo OFF
setlocal ENABLEEXTENSIONS
set KEY_NAME=HKEY_CURRENT_USER\Software\Microsoft\Command Processor
set VALUE_NAME=DefaultColor
FOR /F "tokens=1-3" %%A IN ('REG QUERY %KEY_NAME% /v %VALUE_NAME% 2^>nul') DO (
set ValueName=%%A
set ValueType=%%B
set ValueValue=%%C
)
if defined ValueName (
@echo Value Name = %ValueName%
@echo Value Type = %ValueType%
@echo Value Value = %ValueValue%
) else (
@echo %KEY_NAME%\%VALUE_NAME% not found.
)
One can use .toFixed(NumberOfDecimalPlaces)
.
var str = 10.234.toFixed(2); // => '10.23'
var number = Number(str); // => 10.23
I just want to add one example of the kind of unchecked warning I see quite often. If you use classes that implement an interface like Serializable, often you will call methods that return objects of the interface, and not the actual class. If the class being returned must be cast to a type based on generics, you can get this warning.
Here is a brief (and somewhat silly) example to demonstrate:
import java.io.Serializable;
public class SimpleGenericClass<T> implements Serializable {
public Serializable getInstance() {
return this;
}
// @SuppressWarnings("unchecked")
public static void main() {
SimpleGenericClass<String> original = new SimpleGenericClass<String>();
// java: unchecked cast
// required: SimpleGenericClass<java.lang.String>
// found: java.io.Serializable
SimpleGenericClass<String> returned =
(SimpleGenericClass<String>) original.getInstance();
}
}
getInstance() returns an object that implements Serializable. This must be cast to the actual type, but this is an unchecked cast.
Cause :
This issue is caused:
1- tomcat can't find the jvm file from the directory specified to start the service because is deleted.
2- Incorrect permissions to the java folder for read&write access
3- Incorrect JAVA_HOME path.
4- Antivirus deleted the jvm file from java folder
Resolution:
1- confirm that especified file exisit in the java directoy.
2- Make sure that file has read&write permissions.
3- Confirm that JAVA_HOME is correct for java version.
4- if file has been deleted reinstall same java version to recreate missing files.
The parser is having trouble concatenating your string. Try this:
write-host 'value is : '$i' '$($ds.Tables[1].Rows[$i][0])
Edit: Using double quotes might also be clearer since you can include the expressions within the quoted string:
write-host "value is : $i $($ds.Tables[1].Rows[$i][0])"
To add more python modules (espcially 3rd party ones), most people seem to use PYTHONPATH environment variables or they add symlinks or directories in their site-packages directories. Another way, is to use *.pth files. Here's the official python doc's explanation:
"The most convenient way [to modify python's search path] is to add a path configuration file to a directory that's already on Python's path, usually to the .../site-packages/ directory. Path configuration files have an extension of .pth, and each line must contain a single path that will be appended to sys.path. (Because the new paths are appended to sys.path, modules in the added directories will not override standard modules. This means you can't use this mechanism for installing fixed versions of standard modules.)"
If you need to go a step further than @alon's detailed steps and also create a self signed ca:
https.createServer({
key: fs.readFileSync(NODE_SSL_KEY),
cert: fs.readFileSync(NODE_SSL_CERT),
ca: fs.readFileSync(NODE_SSL_CA),
}, app).listen(PORT, () => {});
package.json
"setup:https": "openssl genrsa -out src/server/ssl/localhost.key 2048
&& openssl req -new -x509 -key src/server/ssl/localhost.key -out src/server/ssl/localhost.crt -config src/server/ssl/localhost.cnf
&& openssl req -new -out src/server/ssl/localhost.csr -config src/server/ssl/localhost.cnf
&& openssl x509 -req -in src/server/ssl/localhost.csr -CA src/server/ssl/localhost.crt -CAkey src/server/ssl/localhost.key -CAcreateserial -out src/server/ssl/ca.crt",
Using the localhost.cnf as described:
[req]
distinguished_name = req_distinguished_name
x509_extensions = v3_req
prompt = no
[req_distinguished_name]
C = UK
ST = State
L = Location
O = Organization Name
OU = Organizational Unit
CN = www.localhost.com
[v3_req]
keyUsage = critical, digitalSignature, keyAgreement
extendedKeyUsage = serverAuth
subjectAltName = @alt_names
[alt_names]
DNS.1 = www.localhost.com
DNS.2 = localhost.com
DNS.3 = localhost
Look at the ToLookup
and/or ToDictionary
extension methods.
This may fit better as a comment but I don't have enough reputation, so I put it here.
It worth mentioning that the load()
function will retain the object name that was originally saved no matter how you name the .Rdata
file.
Please check the name of the data.frame object used in the save()
function. If you were using RStudio, you could check the upper right panel, Global Environment-Data, to find the name of the data you load.
If you're on Debian 8 (Jessie) Linux, try to cd
into the directory of the 'metropolises.sql'
. Run mysql
and execute SOURCE ./metropolises.sql;
Basically, try the relative path. I tried this and it works.
Pscp.exe is painfully slow.
Uploading files using WinSCP is like 10 times faster.
So, to do that from command line, first you got to add the winscp.com
file to your %PATH%. It's not a top-level domain, but an executable .com
file, which is located in your WinSCP installation directory.
Then just issue a simple command and your file will be uploaded much faster putty ever could:
WinSCP.com /command "open sftp://username:[email protected]:22" "put your_large_file.zip /var/www/somedirectory/" "exit"
And make sure your check the synchronize folders feature, which is basically what rsync
does, so you won't ever want to use pscp.exe again.
WinSCP.com /command "help synchronize"
Add "cd your_repos_path" to your Git profile, which is under the %
.
Try this:
$('#parent').on('click', '#child', function() {
// Code
});
From the $.on()
documentation:
Event handlers are bound only to the currently selected elements; they must exist on the page at the time your code makes the call to
.on()
.
Your #child
element doesn't exist when you call $.on()
on it, so the event isn't bound (unlike $.live()
). #parent
, however, does exist, so binding the event to that is fine.
The second argument in my code above acts as a 'filter' to only trigger if the event bubbled up to #parent
from #child
.
:first-child
selects the first h1
if and only if it is the first child of its parent element. In your example, the ul
is the first child of the div
.
The name of the pseudo-class is somewhat misleading, but it's explained pretty clearly here in the spec.
jQuery's :first
selector gives you what you're looking for. You can do this:
$('.detail_container h1:first').css("color", "blue");
To get the lines that contain the texts 8768
, 9875
or 2353
, use:
^.*(8768|9875|2353).*$
What it means:
^ from the beginning of the line
.* get any character except \n (0 or more times)
(8768|9875|2353) if the line contains the string '8768' OR '9875' OR '2353'
.* and get any character except \n (0 or more times)
$ until the end of the line
If you do want the literal *
char, you'd have to escape it:
^.*(\*8768|\*9875|\*2353).*$
$('input').focus(function () {
var self = $(this);
setTimeout(function () {
self.select();
}, 1);
});
Edit: Per @DavidG's request, I can't provide details because I'm not sure why this works, but I believe it has something to do with the focus event propagating up or down or whatever it does and the input element getting the notification it's received focus. Setting the timeout gives the element a moment to realize it's done so.
My bible for JPA work is the Java Persistence wikibook. It has a section on unidirectional OneToMany
which explains how to do this with a @JoinColumn
annotation. In your case, i think you would want:
@OneToMany
@JoinColumn(name="TXTHEAD_CODE")
private Set<Text> text;
I've used a Set
rather than a List
, because the data itself is not ordered.
The above is using a defaulted referencedColumnName
, unlike the example in the wikibook. If that doesn't work, try an explicit one:
@OneToMany
@JoinColumn(name="TXTHEAD_CODE", referencedColumnName="DATREG_META_CODE")
private Set<Text> text;
You can try something like this
r = requests.get(ENDPOINT, params=params, headers={'Authorization': 'Basic %s' % API_KEY})
For me just SET FOREIGN_KEY_CHECKS=0;
wasn't enough.
I was still having a com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException
.
I had to add ALTER TABLE myTable DISABLE KEYS;
.
So:
SET FOREIGN_KEY_CHECKS=0;
ALTER TABLE myTable DISABLE KEYS;
DELETE FROM myTable;
ALTER TABLE myTable ENABLE KEYS;
SET FOREIGN_KEY_CHECKS=1;
Dissenting voice here: after 5 years of rspec I don't like let
very much.
It becomes difficult to reason about setup when some things that have been declared in setup are not actually affecting state, while others are.
Eventually, out of frustration someone just changes let
to let!
(same thing without lazy evaluation) in order to get their spec working. If this works out for them, a new habit is born: when a new spec is added to an older suite and it doesn't work, the first thing the writer tries is to add bangs to random let
calls.
Pretty soon all the performance benefits are gone.
I would rather teach Ruby to my team than the tricks of rspec. Instance variables or method calls are useful everywhere in this project and others, let
syntax will only be useful in rspec.
let()
is good for expensive dependencies that we don't want to create over and over.
It also pairs well with subject
, allowing you to dry up repeated calls to multi-argument methods
Expensive dependencies repeated in many times, and methods with big signatures are both points where we could make the code better:
In all these cases, I can address the symptom of difficult tests with a soothing balm of rspec magic, or I can try address the cause. I feel like I spent way too much of the last few years on the former and now I want some better code.
To answer the original question: I would prefer not to, but I do still use let
. I mostly use it to fit in with the style of the rest of the team (it seems like most Rails programmers in the world are now deep into their rspec magic so that is very often). Sometimes I use it when I'm adding a test to some code that I don't have control of, or don't have time to refactor to a better abstraction: i.e. when the only option is the painkiller.
An example:
log4j.rootLogger=ERROR, logfile
log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.datePattern='-'dd'.log'
log4j.appender.logfile.File=log/radius-prod.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n
log4j.logger.foo.bar.Baz=DEBUG, myappender
log4j.additivity.foo.bar.Baz=false
log4j.appender.myappender=org.apache.log4j.DailyRollingFileAppender
log4j.appender.myappender.datePattern='-'dd'.log'
log4j.appender.myappender.File=log/access-ext-dmz-prod.log
log4j.appender.myappender.layout=org.apache.log4j.PatternLayout
log4j.appender.myappender.layout.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n
Duplicates in a repeater are not allowed. Use 'track by' expression to specify unique keys. Repeater: sdetail in mydt, Duplicate key: string: , Duplicate value:
I faced this error because i had written wrong database name in my php api part......
So this error may also occurs when you are fetching the data from database base, whose name is written incorrect by you.
Windows 10:
open cmd
change directory where you want to create text file(movie_list.txt) for the folder (d:\videos\movies)
type following command
d:\videos\movies> dir /b /a-d > movie_list.txt
Removing the outline is an accessibility nightmare. People tabbing using keyboards will never know what item they're on.
Best to leave it, as most clicked buttons will take you somewhere anyway, or if you HAVE to remove the outline then isolate it a specific class name.
.no-outline {
outline: none;
}
Then you can apply that class whenever you need to.
This can be done through the youtube player API:
Working example:
<div id="player"></div>
<script src="http://www.youtube.com/player_api"></script>
<script>
// create youtube player
var player;
function onYouTubePlayerAPIReady() {
player = new YT.Player('player', {
width: '640',
height: '390',
videoId: '0Bmhjf0rKe8',
events: {
onReady: onPlayerReady,
onStateChange: onPlayerStateChange
}
});
}
// autoplay video
function onPlayerReady(event) {
event.target.playVideo();
}
// when video ends
function onPlayerStateChange(event) {
if(event.data === 0) {
alert('done');
}
}
</script>
var d = new Date("2013/01/01");_x000D_
console.log(d.toLocaleDateString());_x000D_
d.setMonth(d.getMonth() + 18);_x000D_
console.log(d.toLocaleDateString());
_x000D_
Without Iframe We can do this by JQuery but it will give you only HTML page source and no dynamic links or html tags will display. Almost same as php solution but in JQuery :) Code---
var purl = "http://www.othersite.com";
$.getJSON('http://whateverorigin.org/get?url=' +
encodeURIComponent(purl) + '&callback=?',
function (data) {
$('#viewer').html(data.contents);
});
In Simple words, tabindex
is used to focus on elements.
Syntax: tabindex="numeric_value"
This numeric_value
is the weight of element. Lower value will be accessed first.
Check chart.Boxplot from package PerformanceAnalytics
. It lets you define the symbol to use for the mean of the distribution.
By default, the chart.Boxplot(data)
command adds the mean as a red circle and the median as a black line.
Here is the output with sample data; MWE:
#install.packages(PerformanceAnalytics)
library(PerformanceAnalytics)
chart.Boxplot(cars$speed)
In java/groovy try:
import java.awt.Toolkit;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.Point;
...
java.awt.Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension maximizedScreenSize = new Dimension((int) screenSize.getWidth(), (int) screenSize.getHeight());
driver.manage().window().setPosition(new Point(0, 0));
driver.manage().window().setSize(maximizedScreenSize);
this will open browser in fullscreen
Direct link to the .Net-3.5-Full-Setup
http://download.microsoft.com/download/6/0/f/60fc5854-3cb8-4892-b6db-bd4f42510f28/dotnetfx35.exe
Direct link to the .Net-3.5-SP1-Full-Setup
http://download.microsoft.com/download/2/0/e/20e90413-712f-438c-988e-fdaa79a8ac3d/dotnetfx35.exe
Thanks to Dzmitry Lahoda!
let path = Bundle.main.path(forResource: "svgNameFileHere", ofType: "svg")!
if path != "" {
let fileURL:URL = URL(fileURLWithPath: path)
let req = URLRequest(url: fileURL)
self.webView.scalesPageToFit = false
self.webView.loadRequest(req)
}
else {
//handle here if path not found
}
Third party libraries
https://github.com/exyte/Macaw
https://github.com/mchoe/SwiftSVG
UIWebView and WKWebView booster to load faster
The best solution is to keep multiple Views
in a Single View / View Group
and then keep that one view in the SrcollView. ie.
Format -
<ScrollView>
<Another View>
<RecyclerView>
<TextView>
<And Other Views>
</Another View>
</ScrollView>
Eg.
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:text="any text"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<TextView
android:text="any text"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</ScrollView>
Another Eg. of ScrollView with multiple Views
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="vertical"
android:layout_weight="1">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/imageView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#FFFFFF"
/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingHorizontal="10dp"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/CategoryItem"
android:textSize="20sp"
android:textColor="#000000"
/>
<TextView
android:textColor="#000000"
android:text="?1000"
android:textSize="18sp"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<TextView
android:textColor="#000000"
android:text="so\nugh\nos\nghs\nrgh\n
sghs\noug\nhro\nghreo\nhgor\ngheroh\ngr\neoh\n
og\nhrf\ndhog\n
so\nugh\nos\nghs\nrgh\nsghs\noug\nhro\n
ghreo\nhgor\ngheroh\ngr\neoh\nog\nhrf\ndhog"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
</LinearLayout>
</ScrollView>
You need to render it as block level;
img {
display: block;
width: auto;
margin: auto;
}
Pasting RedFilter code in two parts ,so as to avoid link rot
References:
https://github.com/mb16/geocoderNet/blob/master/build/sql/doubleMetaphone.sql
Part1:
--WEB LISTING 1: Double Metaphone Script
-------------------------------------
IF OBJECT_ID('fnIsVowel') IS NOT NULL BEGIN DROP FUNCTION fnIsVowel END
GO;
CREATE FUNCTION fnIsVowel( @c char(1) )
RETURNS bit
AS
BEGIN
IF (@c = 'A') OR (@c = 'E') OR (@c = 'I') OR (@c = 'O') OR (@c = 'U') OR (@c = 'Y')
BEGIN
RETURN 1
END
--'ELSE' would worry SQL Server, it wants RETURN last in a scalar function
RETURN 0
END
GO;
-----------------------------------------------
IF OBJECT_ID('fnSlavoGermanic') IS NOT NULL BEGIN DROP FUNCTION fnSlavoGermanic
END
GO;
CREATE FUNCTION fnSlavoGermanic( @Word char(50) )
RETURNS bit
AS
BEGIN
--Catch NULL also...
IF (CHARINDEX('W',@Word) > 0) OR (CHARINDEX('K',@Word) > 0) OR
(CHARINDEX('CZ',@Word) > 0)
--'WITZ' test is in original Lawrence Philips C++ code, but appears to be a subset of the first test for 'W'
-- OR (CHARINDEX('WITZ',@Word) > 0)
BEGIN
RETURN 1
END
--ELSE
RETURN 0
END
GO;
---------------------------------------------------------------------------------------------------------------------------------
----------------------
--Lawrence Philips calls for a length argument, but this has two drawbacks:
--1. All target strings must be of the same length
--2. It presents an opportunity for subtle bugs, ie fnStringAt( 1, 7, 'Search me please', 'Search' ) returns 0 (no matter what is in the searched string)
--So I've eliminated the argument and fnStringAt checks the length of each target as it executes
--DEFAULTS suck with UDFs. Have to specify DEFAULT in caller - why bother?
IF OBJECT_ID('fnStringAtDef') IS NOT NULL BEGIN DROP FUNCTION fnStringAtDef END
GO;
CREATE FUNCTION fnStringAtDef( @Start int, @StringToSearch varchar(50),
@Target1 varchar(50),
@Target2 varchar(50) = NULL,
@Target3 varchar(50) = NULL,
@Target4 varchar(50) = NULL,
@Target5 varchar(50) = NULL,
@Target6 varchar(50) = NULL )
RETURNS bit
AS
BEGIN
IF CHARINDEX(@Target1,@StringToSearch,@Start) > 0 RETURN 1
--2 Styles, test each optional argument for NULL, nesting further tests
--or just take advantage of CHARINDEX behavior with a NULL arg (unless 65 compatibility - code check before CREATE FUNCTION?
--Style 1:
--IF @Target2 IS NOT NULL
--BEGIN
-- IF CHARINDEX(@Target2,@StringToSearch,@Start) > 0 RETURN 1
-- (etc.)
--END
--Style 2:
IF CHARINDEX(@Target2,@StringToSearch,@Start) > 0 RETURN 1
IF CHARINDEX(@Target3,@StringToSearch,@Start) > 0 RETURN 1
IF CHARINDEX(@Target4,@StringToSearch,@Start) > 0 RETURN 1
IF CHARINDEX(@Target5,@StringToSearch,@Start) > 0 RETURN 1
IF CHARINDEX(@Target6,@StringToSearch,@Start) > 0 RETURN 1
RETURN 0
END
GO;
-------------------------------------------------------------------------------------------------
IF OBJECT_ID('fnStringAt') IS NOT NULL BEGIN DROP FUNCTION fnStringAt END
GO;
CREATE FUNCTION fnStringAt( @Start int, @StringToSearch varchar(50), @TargetStrings
varchar(2000) )
RETURNS bit
AS
BEGIN
DECLARE @SingleTarget varchar(50)
DECLARE @CurrentStart int
DECLARE @CurrentLength int
--Eliminate special cases
--Trailing space is needed to check for end of word in some cases, so always append comma
--loop tests should fairly quickly ignore ',,' termination
SET @TargetStrings = @TargetStrings + ','
SET @CurrentStart = 1
--Include terminating comma so spaces don't get truncated
SET @CurrentLength = (CHARINDEX(',',@TargetStrings,@CurrentStart) -
@CurrentStart) + 1
SET @SingleTarget = SUBSTRING(@TargetStrings,@CurrentStart,@CurrentLength)
WHILE LEN(@SingleTarget) > 1
BEGIN
IF SUBSTRING(@StringToSearch,@Start,LEN(@SingleTarget)-1) =
LEFT(@SingleTarget,LEN(@SingleTarget)-1)
BEGIN
RETURN 1
END
SET @CurrentStart = (@CurrentStart + @CurrentLength)
SET @CurrentLength = (CHARINDEX(',',@TargetStrings,@CurrentStart) -
@CurrentStart) + 1
IF NOT @CurrentLength > 1 --getting trailing comma
BEGIN
BREAK
END
SET @SingleTarget =
SUBSTRING(@TargetStrings,@CurrentStart,@CurrentLength)
END
RETURN 0
END
GO;
------------------------------------------------------------------------
IF OBJECT_ID('fnDoubleMetaphoneTable') IS NOT NULL BEGIN DROP FUNCTION
fnDoubleMetaphoneTable END
GO;
CREATE FUNCTION fnDoubleMetaphoneTable( @Word varchar(50) )
RETURNS @DMP TABLE ( Metaphone1 char(4), Metaphone2 char(4) )
AS
BEGIN
DECLARE @MP1 varchar(4), @MP2 varchar(4)
SET @MP1 = ''
SET @MP2 = ''
DECLARE @CurrentPosition int, @WordLength int, @CurrentChar char(1)
SET @CurrentPosition = 1
SET @WordLength = LEN(@Word)
IF @WordLength < 1
BEGIN
RETURN
END
--ensure case insensitivity
SET @Word = UPPER(@Word)
IF dbo.fnStringAt(1, @Word, 'GN,KN,PN,WR,PS') = 1
BEGIN
SET @CurrentPosition = @CurrentPosition + 1
END
IF 'X' = LEFT(@Word,1)
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'S'
SET @CurrentPosition = @CurrentPosition + 1
END
WHILE (4 > LEN(RTRIM(@MP1))) OR (4 > LEN(RTRIM(@MP2)))
BEGIN
IF @CurrentPosition > @WordLength
BEGIN
BREAK
END
SET @CurrentChar = SUBSTRING(@Word,@CurrentPosition,1)
IF @CurrentChar IN('A','E','I','O','U','Y')
BEGIN
IF @CurrentPosition = 1
BEGIN
SET @MP1 = @MP1 + 'A'
SET @MP2 = @MP2 + 'A'
END
SET @CurrentPosition = @CurrentPosition + 1
END
ELSE IF @CurrentChar = 'B'
BEGIN
SET @MP1 = @MP1 + 'P'
SET @MP2 = @MP2 + 'P'
IF 'B' = SUBSTRING(@Word,@CurrentPosition + 1,1)
BEGIN
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
SET @CurrentPosition = @CurrentPosition + 1
END
END
ELSE IF @CurrentChar = 'Ç'
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'S'
SET @CurrentPosition = @CurrentPosition + 1
END
ELSE IF @CurrentChar = 'C'
BEGIN
--various germanic
IF (@CurrentPosition > 2)
AND (dbo.fnIsVowel(SUBSTRING(@Word,@CurrentPosition-2,1))=0)
AND (dbo.fnStringAt(@CurrentPosition-1,@Word,'ACH') = 1)
AND ((SUBSTRING(@Word,@CurrentPosition+2,1) <> 'I')
AND ((SUBSTRING(@Word,@CurrentPosition+2,1) <> 'E') OR
(dbo.fnStringAt(@CurrentPosition-2,@Word,'BACHER,MACHER')=1)))
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
-- 'caesar'
ELSE IF (@CurrentPosition = 1) AND
(dbo.fnStringAt(@CurrentPosition,@Word,'CAESAR') = 1)
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'S'
SET @CurrentPosition = @CurrentPosition + 2
END
-- 'chianti'
ELSE IF dbo.fnStringAt(@CurrentPosition,@Word,'CHIA') = 1
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE IF dbo.fnStringAt(@CurrentPosition,@Word,'CH') = 1
BEGIN
-- Find 'michael'
IF (@CurrentPosition > 1) AND
(dbo.fnStringAt(@CurrentPosition,@Word,'CHAE') = 1)
BEGIN
--First instance of alternate encoding
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'X'
SET @CurrentPosition = @CurrentPosition + 2
END
--greek roots e.g. 'chemistry', 'chorus'
ELSE IF (@CurrentPosition = 1) AND (dbo.fnStringAt(2, @Word,
'HARAC,HARIS,HOR,HYM,HIA,HEM') = 1) AND (dbo.fnStringAt(1,@Word,'CHORE') = 0)
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
--germanic, greek, or otherwise 'ch' for 'kh' sound
ELSE IF ((dbo.fnStringAt(1,@Word,'VAN ,VON ,SCH')=1) OR
(dbo.fnStringAt(@CurrentPosition-
2,@Word,'ORCHES,ARCHIT,ORCHID')=1) OR
(dbo.fnStringAt(@CurrentPosition+2,@Word,'T,S')=1) OR
(((dbo.fnStringAt(@CurrentPosition-1,@Word,'A,O,U,E')=1)
OR
(@CurrentPosition = 1))
AND
(dbo.fnStringAt(@CurrentPosition+2,@Word,'L,R,N,M,B,H,F,V,W, ')=1)))
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
--is this a given?
IF (@CurrentPosition > 1)
BEGIN
IF (dbo.fnStringAt(1,@Word,'MC') = 1)
BEGIN
--eg McHugh
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
END
ELSE
BEGIN
--Alternate encoding
SET @MP1 = @MP1 + 'X'
SET @MP2 = @MP2 + 'K'
END
END
ELSE
BEGIN
SET @MP1 = @MP1 + 'X'
SET @MP2 = @MP2 + 'X'
END
SET @CurrentPosition = @CurrentPosition + 2
END
END
--e.g, 'czerny'
ELSE IF (dbo.fnStringAt(@CurrentPosition,@Word,'CZ')=1) AND
(dbo.fnStringAt((@CurrentPosition - 2),@Word,'WICZ')=0)
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'X'
SET @CurrentPosition = @CurrentPosition + 2
END
--e.g., 'focaccia'
ELSE IF(dbo.fnStringAt((@CurrentPosition + 1),@Word,'CIA')=1)
BEGIN
SET @MP1 = @MP1 + 'X'
SET @MP2 = @MP2 + 'X'
SET @CurrentPosition = @CurrentPosition + 3
END
--double 'C', but not if e.g. 'McClellan'
ELSE IF(dbo.fnStringAt(@CurrentPosition,@Word,'CC')=1) AND NOT
((@CurrentPosition = 2) AND (LEFT(@Word,1) = 'M'))
--'bellocchio' but not 'bacchus'
IF (dbo.fnStringAt((@CurrentPosition + 2),@Word,'I,E,H')=1) AND
(dbo.fnStringAt((@CurrentPosition + 2),@Word,'HU')=0)
BEGIN
--'accident', 'accede' 'succeed'
IF (((@CurrentPosition = 2) AND
(SUBSTRING(@Word,@CurrentPosition - 1,1) = 'A'))
OR (dbo.fnStringAt((@CurrentPosition -
1),@Word,'UCCEE,UCCES')=1))
BEGIN
SET @MP1 = @MP1 + 'KS'
SET @MP2 = @MP2 + 'KS'
END
--'bacci', 'bertucci', other italian
ELSE
BEGIN
SET @MP1 = @MP1 + 'X'
SET @MP2 = @MP2 + 'X'
END
SET @CurrentPosition = @CurrentPosition + 3
END
--Pierce's rule
ELSE
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE IF (dbo.fnStringAt(@CurrentPosition,@Word,'CK,CG,CQ')=1)
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE IF (dbo.fnStringAt(@CurrentPosition,@Word,'CI,CE,CY')=1)
BEGIN
--italian vs. english
IF (dbo.fnStringAt(@CurrentPosition,@Word,'CIO,CIE,CIA')=1)
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'X'
END
ELSE
BEGIN
SET @MP1 = @MP1 + 'S'
SET @MP2 = @MP2 + 'S'
END
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
--name sent in 'mac caffrey', 'mac gregor
IF (dbo.fnStringAt((@CurrentPosition + 1),@Word,' C, Q, G')=1)
BEGIN
SET @CurrentPosition = @CurrentPosition + 3
END
ELSE
BEGIN
IF (dbo.fnStringAt((@CurrentPosition + 1),@Word,'C,K,Q')=1)
AND (dbo.fnStringAt((@CurrentPosition + 1), 2, 'CE,CI')=0)
BEGIN
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
SET @CurrentPosition = @CurrentPosition + 1
END
END
END
END
ELSE IF @CurrentChar = 'D'
BEGIN
IF (dbo.fnStringAt(@CurrentPosition, @Word, 'DG')=1)
BEGIN
IF (dbo.fnStringAt((@CurrentPosition + 2),@Word,'I,E,Y')=1)
BEGIN
--e.g. 'edge'
SET @MP1 = @MP1 + 'J'
SET @MP2 = @MP2 + 'J'
SET @CurrentPosition = @CurrentPosition + 3
END
ELSE
BEGIN
--e.g. 'edgar'
SET @MP1 = @MP1 + 'TK'
SET @MP2 = @MP2 + 'TK'
SET @CurrentPosition = @CurrentPosition + 2
END
END
ELSE IF (dbo.fnStringAt(@CurrentPosition,@Word,'DT,DD')=1)
BEGIN
SET @MP1 = @MP1 + 'T'
SET @MP2 = @MP2 + 'T'
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
SET @MP1 = @MP1 + 'T'
SET @MP2 = @MP2 + 'T'
SET @CurrentPosition = @CurrentPosition + 1
END
END
ELSE IF @CurrentChar = 'F'
BEGIN
IF (SUBSTRING(@Word,@CurrentPosition + 1,1) = 'F')
BEGIN
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
SET @CurrentPosition = @CurrentPosition + 1
END
SET @MP1 = @MP1 + 'F'
SET @MP2 = @MP2 + 'F'
END
ELSE IF @CurrentChar = 'G'
BEGIN
IF (SUBSTRING(@Word,@CurrentPosition + 1,1) = 'H')
BEGIN
IF (@CurrentPosition > 1) AND
(dbo.fnIsVowel(SUBSTRING(@Word,@CurrentPosition - 1,1)) = 0)
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
SET @CurrentPosition = @CurrentPosition + 2
END
--'ghislane', ghiradelli
ELSE IF (@CurrentPosition = 1)
BEGIN
IF (SUBSTRING(@Word,@CurrentPosition + 2,1) = 'I')
BEGIN
SET @MP1 = @MP1 + 'J'
SET @MP2 = @MP2 + 'J'
END
ELSE
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
END
SET @CurrentPosition = @CurrentPosition + 2
END
--Parker's rule (with some further refinements) - e.g., 'hugh'
ELSE IF (((@CurrentPosition > 2) AND (dbo.fnStringAt((@CurrentPosition
- 2),@Word,'B,H,D')=1) )
--e.g., 'bough'
OR ((@CurrentPosition > 3) AND (dbo.fnStringAt((@CurrentPosition
- 3),@Word,'B,H,D')=1) )
--e.g., 'broughton'
OR ((@CurrentPosition > 4) AND (dbo.fnStringAt((@CurrentPosition
- 4),@Word,'B,H')=1) ) )
BEGIN
SET @CurrentPosition = @CurrentPosition + 2
END
ELSE
BEGIN
--e.g., 'laugh', 'McLaughlin', 'cough', 'gough', 'rough', 'tough'
IF ((@CurrentPosition > 3)
AND (SUBSTRING(@Word,@CurrentPosition - 1,1) = 'U')
AND (dbo.fnStringAt((@CurrentPosition -
3),@Word,'C,G,L,R,T')=1) )
BEGIN
SET @MP1 = @MP1 + 'F'
SET @MP2 = @MP2 + 'F'
END
ELSE
BEGIN
IF ((@CurrentPosition > 1) AND
SUBSTRING(@Word,@CurrentPosition - 1,1) <> 'I')
BEGIN
SET @MP1 = @MP1 + 'K'
SET @MP2 = @MP2 + 'K'
END
END
SET @CurrentPosition = @CurrentPosition + 2
END
END
ELSE IF (SUBSTRING(@Word,@CurrentPosition + 1,1) = 'N')
BEGIN
IF ((@CurrentPosition = 2) AND (dbo.fnIsVowel(LEFT(@Word,1))=1) AND
(dbo.fnSlavoGermanic(@Word)=0))
BEGIN
SET @MP1 = @MP1 + 'KN'
SET @MP2 = @MP2 + 'N'
END
ELSE
BEGIN
--not e.g. 'cagney'
IF ((dbo.fnStringAt((@CurrentPosition + 2),@Word,'EY')=0)
AND (SUBSTRING(@Word,@CurrentPosition + 1,1) <>
'Y') AND (dbo.fnSlavoGermanic(@Word)=0))
Your function is probably in a different namespace than the one you're calling it from.
If you take a look at the official docs, you'll see right below append
, extend
. That's what your looking for.
There's also itertools.chain
if you are more interested in efficient iteration than ending up with a fully populated data structure.
I copied a picture (instead of text) that I had in my excel 2007 file and that solved the problem for me. The picture copied to the (then empty) clipboard. I could then copy cells normally even after clearing the clipboard of the picture. I think a graph object should also do the trick.
You can refer to the following code (of course you can customize to get more details of the network response):
try {
RequestQueue requestQueue = Volley.newRequestQueue(this);
String URL = "http://...";
JSONObject jsonBody = new JSONObject();
jsonBody.put("Title", "Android Volley Demo");
jsonBody.put("Author", "BNK");
final String requestBody = jsonBody.toString();
StringRequest stringRequest = new StringRequest(Request.Method.POST, URL, new Response.Listener<String>() {
@Override
public void onResponse(String response) {
Log.i("VOLLEY", response);
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("VOLLEY", error.toString());
}
}) {
@Override
public String getBodyContentType() {
return "application/json; charset=utf-8";
}
@Override
public byte[] getBody() throws AuthFailureError {
try {
return requestBody == null ? null : requestBody.getBytes("utf-8");
} catch (UnsupportedEncodingException uee) {
VolleyLog.wtf("Unsupported Encoding while trying to get the bytes of %s using %s", requestBody, "utf-8");
return null;
}
}
@Override
protected Response<String> parseNetworkResponse(NetworkResponse response) {
String responseString = "";
if (response != null) {
responseString = String.valueOf(response.statusCode);
// can get more details such as response.headers
}
return Response.success(responseString, HttpHeaderParser.parseCacheHeaders(response));
}
};
requestQueue.add(stringRequest);
} catch (JSONException e) {
e.printStackTrace();
}
Check again for SDK update because API 23: Android N (preview)
is now available, download it properly OR select the API 23: Android 6.0
from the top right of the preview window. check the image
.
.
It (Android Studio) automatically selects the latest one even if it not properly installed. So,
What you need to do is :
install the new one properly
OR
click on the previous one.
For double in c# this might be helpful:
public static double Conv_DegreesToRadians(this double degrees)
{
//return degrees * (Math.PI / 180d);
return degrees * 0.017453292519943295d;
}
public static double Conv_RadiansToDegrees(this double radians)
{
//return radians * (180d / Math.PI);
return radians * 57.295779513082323d;
}
Actually, you will get the best performance if you avoid +
operator and use concat()
in this case. It is the best option for merging just 2 strings (not so good for many strings though). In that case the code would look like this:
String output = input.substring(0, 1).toUpperCase().concat(input.substring(1));
Buying a new processor is one solution, but for some of us that means buying other components as well. Alternatively you could just buy an Android phone that supports your lowest target API level and run your apps off the phone. You can find some of those phones on Amazon, Ebay, craigslist for pennies (sometimes). Plus this grants you the benefit of actually running on the minimum hardware you intend to support. While this may be a bit slower than installing your app on an emulated system, it will probably save you money.
Android, device testing/debugging link: http://developer.android.com/tools/device.html
My try is combined solution.
string = string.replace(',', '.').replace(/[^\d\.]/g, "").replace(/\./, "x").replace(/\./g, "").replace(/x/, ".");
string = Math.round( parseFloat(string) * 100) / 100;
First line solution from here: regex replacing multiple periods in floating number . It replaces comma "," with dot "." ; Replaces first comma with x; Removes all dots and replaces x back to dot.
Second line cleans numbers after dot.
The only practical way to get the zero-based index of your tabs is to step through each of the elements that make the tabset (the LI>A s) and match on their inner text. It can probably be done in a cleaner way, but here's how I did it.
$('#tabs ul li a').each(function(i) {
if (this.text == 'Two') {$('#reqTab').val(i)}
});
$("#tabs").tabs({
selected: $('#reqTab').val()
});
You can see that I used a hidden <input id="reqTab"> field in the page to make sure the variable moved from one function to the other.
NOTE: There is a little bit of a gotcha -- selecting tabs after the tabset is activated doesn't seem to work as advertised in jQuery UI 1.8, which is why I used the identified index from my first pass in order to initialize the tabset with the desired tab selected.
https://github.com/fruitcake/laravel-cors
Use this library. Follow the instruction mention in this repo.
Remember don't use dd()
or die()
in the CORS URL because this library will not work. Always use return with the CORS URL.
Thanks
For me it turned out that I had a @JsonManagedReferece
in one entity without a @JsonBackReference
in the other referenced entity. This caused the marshaller to throw an error.
Suppose you have a data.frame
A
and you want to sort it using column called x
descending order. Call the sorted data.frame
newdata
newdata <- A[order(-A$x),]
If you want ascending order then replace "-"
with nothing. You can have something like
newdata <- A[order(-A$x, A$y, -A$z),]
where x
and z
are some columns in data.frame
A
. This means sort data.frame
A
by x
descending, y
ascending and z
descending.
This should be fine:
const char* bool_cast(const bool b) {
return b ? "true" : "false";
}
But, if you want to do it more C++-ish:
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
string bool_cast(const bool b) {
ostringstream ss;
ss << boolalpha << b;
return ss.str();
}
int main() {
cout << bool_cast(true) << "\n";
cout << bool_cast(false) << "\n";
}
The other answers are not incorrect. However, now there are more options for opening files. For example, if you want the app to have long term, permanent acess to a file, you can use ACTION_OPEN_DOCUMENT
instead. Refer to the official documentation: Open files using storage access framework. Also refer to this answer.
If you are not using any primary key, then execute following queries at one single stroke. By replacing values:
# table_name - Your Table Name
# column_name_of_duplicates - Name of column where duplicate entries are found
create table table_name_temp like table_name;
insert into table_name_temp select distinct(column_name_of_duplicates),value,type from table_name group by column_name_of_duplicates;
delete from table_name;
insert into table_name select * from table_name_temp;
drop table table_name_temp
It is always advisable to take backup of database before you play with it.
You need to start the Apache Tomcat services.
Win+R --> sevices.msc
Then, search for Apache Tomcat and right click on it and click on Start. This will start the service and then you'll be able to see Apache Tomcat homepage on the localhost
.
You can use this:
string alpha = "abcdefghijklmnopqrstuvwxyz";
int length = alpha.Length;
for (int i = length - ((length - 1) % 5 + 1); i > 0; i -= 5)
{
alpha = alpha.Insert(i, "-");
}
Works perfectly with any string. As always, the size doesn't matter. ;)
You need the ip of the other pc and do:
scp user@ip_of_remote_pc:/home/user/stuff.php /Users/djorge/Desktop
it will ask you for 'user's password on the other pc.
When you use Vector *one
you are merely creating a pointer to the structure but there is no memory allocated to it.
Simply use one = (Vector *)malloc(sizeof(Vector));
to declare memory and instantiate it.
Solution for pandas 0.24+ for converting numeric with missing values:
df = pd.DataFrame({'column name':[7500000.0,7500000.0, np.nan]})
print (df['column name'])
0 7500000.0
1 7500000.0
2 NaN
Name: column name, dtype: float64
df['column name'] = df['column name'].astype(np.int64)
ValueError: Cannot convert non-finite values (NA or inf) to integer
#http://pandas.pydata.org/pandas-docs/stable/user_guide/integer_na.html
df['column name'] = df['column name'].astype('Int64')
print (df['column name'])
0 7500000
1 7500000
2 NaN
Name: column name, dtype: Int64
I think you need cast to numpy.int64
:
df['column name'].astype(np.int64)
Sample:
df = pd.DataFrame({'column name':[7500000.0,7500000.0]})
print (df['column name'])
0 7500000.0
1 7500000.0
Name: column name, dtype: float64
df['column name'] = df['column name'].astype(np.int64)
#same as
#df['column name'] = df['column name'].astype(pd.np.int64)
print (df['column name'])
0 7500000
1 7500000
Name: column name, dtype: int64
If some NaN
s in columns need replace them to some int
(e.g. 0
) by fillna
, because type
of NaN
is float
:
df = pd.DataFrame({'column name':[7500000.0,np.nan]})
df['column name'] = df['column name'].fillna(0).astype(np.int64)
print (df['column name'])
0 7500000
1 0
Name: column name, dtype: int64
Also check documentation - missing data casting rules
EDIT:
Convert values with NaN
s is buggy:
df = pd.DataFrame({'column name':[7500000.0,np.nan]})
df['column name'] = df['column name'].values.astype(np.int64)
print (df['column name'])
0 7500000
1 -9223372036854775808
Name: column name, dtype: int64
def LongestEntry(lstName):
totalEntries = len(lstName)
currentEntry = 0
longestLength = 0
while currentEntry < totalEntries:
thisEntry = len(str(lstName[currentEntry]))
if int(thisEntry) > int(longestLength):
longestLength = thisEntry
longestEntry = currentEntry
currentEntry += 1
return longestLength
The steps to remove the newline character in the perhaps most obvious way:
NAME
by using strlen()
, header string.h
. Note that strlen()
does not count the terminating \0
.size_t sl = strlen(NAME);
\0
character (empty string). In this case sl
would be 0
since strlen()
as I said above doesn´t count the \0
and stops at the first occurrence of it: if(sl == 0)
{
// Skip the newline replacement process.
}
'\n'
. If this is the case, replace \n
with a \0
. Note that index counts start at 0
so we will need to do NAME[sl - 1]
:if(NAME[sl - 1] == '\n')
{
NAME[sl - 1] = '\0';
}
Note if you only pressed Enter at the fgets()
string request (the string content was only consisted of a newline character) the string in NAME
will be an empty string thereafter.
if
-statement by using the logic operator &&
:if(sl > 0 && NAME[sl - 1] == '\n')
{
NAME[sl - 1] = '\0';
}
size_t sl = strlen(NAME);
if(sl > 0 && NAME[sl - 1] == '\n')
{
NAME[sl - 1] = '\0';
}
If you rather like a function for use this technique by handling fgets
output strings in general without retyping each and every time, here is fgets_newline_kill
:
void fgets_newline_kill(char a[])
{
size_t sl = strlen(a);
if(sl > 0 && a[sl - 1] == '\n')
{
a[sl - 1] = '\0';
}
}
In your provided example, it would be:
printf("Enter your Name: ");
if (fgets(Name, sizeof Name, stdin) == NULL) {
fprintf(stderr, "Error reading Name.\n");
exit(1);
}
else {
fgets_newline_kill(NAME);
}
Note that this method does not work if the input string has embedded \0
s in it. If that would be the case strlen()
would only return the amount of characters until the first \0
. But this isn´t quite a common approach, since the most string-reading functions usually stop at the first \0
and take the string until that null character.
Aside from the question on its own. Try to avoid double negations that make your code unclearer: if (!(fgets(Name, sizeof Name, stdin) != NULL) {}
. You can simply do if (fgets(Name, sizeof Name, stdin) == NULL) {}
.
Others have very well described the difference between First()
and FirstOrDefault()
. I want to take a further step in interpreting the semantics of these methods. In my opinion FirstOrDefault
is being overused a lot. In the majority of the cases when you’re filtering data you would either expect to get back a collection of elements matching the logical condition or a single unique element by its unique identifier – such as a user, book, post etc... That’s why we can even get as far as saying that FirstOrDefault()
is a code smell not because there is something wrong with it but because it’s being used way too often. This blog post explores the topic in details. IMO most of the times SingleOrDefault()
is a much better alternative so watch out for this mistake and make sure you use the most appropriate method that clearly represents your contract and expectations.
Example 3 in the Ruby's net/http documentation shows how to download a document over HTTP, and to output the file instead of just loading it into memory, substitute puts with a binary write to a file, e.g. as shown in Dejw's answer.
More complex cases are shown further down in the same document.
Try writting the lambda with the same conditions as the delegate. like this:
List<AnalysisObject> analysisObjects =
analysisObjectRepository.FindAll().Where(
(x =>
(x.ID == packageId)
|| (x.Parent != null && x.Parent.ID == packageId)
|| (x.Parent != null && x.Parent.Parent != null && x.Parent.Parent.ID == packageId)
).ToList();
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
.
The Alert Method, authenticateUsing()
lets you skip the Http Basic Authentication box.
WebDriverWait wait = new WebDriverWait(driver, 10);
Alert alert = wait.until(ExpectedConditions.alertIsPresent());
alert.authenticateUsing(new UserAndPassword(username, password));
As of Selenium 3.4 it is still in beta
Right now implementation is only done for
InternetExplorerDriver
Using CSS {height: 100%;}
matches the height of the parent. This could be anything, meaning smaller or bigger than the screen. Using {height: 100vh;}
matches the height of the viewport.
.container {
height: 100vh;
overflow: auto;
}
According to Mozilla's official documents, 1vh is:
Equal to 1% of the height of the viewport's initial containing block.
Many tricks work, but the Ajax request split the file name at 19 characters? Look at the output of the ajax request to see that:
The file name is okay to go into the href attribute, but the $(this).attr("href")
use
the text of the <a href='full/file/name' >
Split file name </a>
So the $(data).find("a:contains(.jpg)")
is not able to detect the extension.
I hope this is useful
Node.js is an open source command line tool built for the server side JavaScript code. You can download a tarball, compile and install the source. It lets you run JavaScript programs.
The JavaScript is executed by the V8, a JavaScript engine developed by Google which is used in Chrome browser. It uses a JavaScript API to access the network and file system.
It is popular for its performance and the ability to perform parallel operations.
Understanding node.js is the best explanation of node.js I have found so far.
Following are some good articles on the topic.
You should have name column as a unique constraint. here is a 3 lines of code to change your issues
First find out the primary key constraints by typing this code
\d table_name
you are shown like this at bottom "some_constraint" PRIMARY KEY, btree (column)
Drop the constraint:
ALTER TABLE table_name DROP CONSTRAINT some_constraint
Add a new primary key column with existing one:
ALTER TABLE table_name ADD CONSTRAINT some_constraint PRIMARY KEY(COLUMN_NAME1,COLUMN_NAME2);
That's All.
You can do it directly with the HTTPS URL like this:
pip install git+https://github.com/username/repo.git
This also works just appending that line in the requirements.txt in a Django project, for instance.
In order to execute multiple programs, I also needed a profiles
section:
<profiles>
<profile>
<id>traverse</id>
<activation>
<property>
<name>traverse</name>
</property>
</activation>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<configuration>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<argument>org.dhappy.test.NeoTraverse</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
This is then executable as:
mvn exec:exec -Ptraverse
in these cases you can try ssh if https is stuck.
Also you can try increasing the buffer size to an astronomical figure so that you dont have to worry about the buffer size any more git config http.postBuffer 100000000
<textarea style="width:100px; word-wrap:break-word;">
place your text here
</textarea>
I have used the following code. It works fine for me.
$('a').bind('click', function(e) {
e.stopPropagation();
});