This page describes an answer with awk
awk '{while(match($0,"[$]{[^}]*}")) {var=substr($0,RSTART+2,RLENGTH -3);gsub("[$]{"var"}",ENVIRON[var])}}1' < input.txt > output.txt
Check out this answer on SuperUser:
In short: Reinstall both IIS and WAS.
In details -
Step 1
Go to "Add remove programs" "Turn windows features on or off" Remove both IIS and WAS (Windows Process Activation Service) Restart the PC Step 2
Go to "Add remove programs" "Turn windows features on or off" Turn on both IIS and WAS (Windows Process Activation Service) Note: Reinstalling IIS alone won't help. You have to reinstall both IIS and WAS
This approach fixed the problem for me.
In my case, my co-worker changed the solution name so that after I get latest version of the project, I run my web application with IIS EXPRESS, then I got the message ERR_CONNECTION_REFUSED
in my google chrome.
After I try all the solution that I find on the internet, finally I solved the problem with these steps :
Run As Administrator VS
Open Debug > [Your Application] Properties > Web
Change the port in Project URL and don't forget using https
because in my case, when I'm using http
it still did not work.
Click Create virtual directory
Run the application again using IIS EXPRESS.
And the web application ran successfully.
Hope these helps.
A combination of the 2 answers worked for me
git rm -r one-of-the-directories
git commit . -m "Remove duplicated directory"
git push
if it still shows some warning, remove the files manually
git filter-branch --tree-filter 'rm -rf path/to/your/file' HEAD
git push
In my case, apart from these steps:
I have needed to put the class as public in order to create productName-Swift.h file:
import UIKit
@objc public class TestSwift: NSObject {
func sayHello() {
print("Hi there!")
}
}
During maven compilation you can skip test execution by adding following plugin in pom.xml
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.20.1</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
In Java 8 we can solve it as:
String str = "xyz";
str.chars().forEachOrdered(i -> System.out.print((char)i));
str.codePoints().forEachOrdered(i -> System.out.print((char)i));
The method chars() returns an IntStream
as mentioned in doc:
Returns a stream of int zero-extending the char values from this sequence. Any char which maps to a surrogate code point is passed through uninterpreted. If the sequence is mutated while the stream is being read, the result is undefined.
The method codePoints()
also returns an IntStream
as per doc:
Returns a stream of code point values from this sequence. Any surrogate pairs encountered in the sequence are combined as if by Character.toCodePoint and the result is passed to the stream. Any other code units, including ordinary BMP characters, unpaired surrogates, and undefined code units, are zero-extended to int values which are then passed to the stream.
How is char and code point different? As mentioned in this article:
Unicode 3.1 added supplementary characters, bringing the total number of characters to more than the 2^16 = 65536 characters that can be distinguished by a single 16-bit
char
. Therefore, achar
value no longer has a one-to-one mapping to the fundamental semantic unit in Unicode. JDK 5 was updated to support the larger set of character values. Instead of changing the definition of thechar
type, some of the new supplementary characters are represented by a surrogate pair of twochar
values. To reduce naming confusion, a code point will be used to refer to the number that represents a particular Unicode character, including supplementary ones.
Finally why forEachOrdered
and not forEach
?
The behaviour of forEach
is explicitly nondeterministic where as the forEachOrdered
performs an action for each element of this stream, in the encounter order of the stream if the stream has a defined encounter order. So forEach
does not guarantee that the order would be kept. Also check this question for more.
For difference between a character, a code point, a glyph and a grapheme check this question.
There is no syntax for block quote in VBA. The work around is to use the button to quickly block or unblock multiple lines of code.
As pointed by @RSK IE8 doesn't support background-size. To figure out a way to deal with this, I used some IE specific hacks as showed here:
//IE8.0 Hack!
@media \0screen {
.brand {
background-image: url("./images/logo1.png");
margin-top: 8px;
}
.navbar .brand {
margin-left: -2px;
padding-bottom: 2px;
}
}
//IE7.0 Hack!
*+html .brand {
background-image: url("./images/logo1.png");
margin-top: 8px;
}
*+html .navbar .brand {
margin-left: -2px;
padding-bottom: 2px;
}
Using this I was able to change my logo image to a ugly resided picture. But the final result is fine. I suggest u try something like this.
You should be able to use the IF function for that. the syntax is =IF(condition, value_if_true, value_if_false)
. To add an extra column with only the non-reimbursed amounts, you would use something like:
=IF(B1="No", A1, 0)
and sum that. There's probably a way to include it in a single cell below the column as well, but off the top of my head I can't think of anything simple.
It depends on the type of data you need access to. If you have some kind of data pool that needs to persist across Activity
s then Erich's answer is the way to go. If you just need to pass a few objects from one activity to another then you can have them implement Serializable
and pass them in the extras of the Intent
to start the new Activity
.
I had similar issues when using 'java' at the beginning of the package name, e.g. java.jem.pc
Check your console output, I was receiving:
Exception in thread "main" java.lang.SecurityException: Prohibited package name: java.jem.pc
npm install --silent
Seems to suppress the funding issue.
select getdate()
O/P
----
2011-05-25 17:29:44.763
select convert(varchar(30),getdate(),131) >= '12/04/2011 12:00:00 AM'
O/P
---
22/06/1432 5:29:44:763PM
It is little tricky when you try to combine optional parameter and default value for that parameter. Like this,
func test(param: Int? = nil)
These two are completely opposite ideas. When you have an optional type parameter but you also provide default value to it, it is no more an optional type now since it has a default value. Even if the default is nil, swift simply removes the optional binding without checking what the default value is.
So it is always better not to use nil as default value.
please make sure following changes should be uncommented, which I did and got succeed in centos7
vi /etc/ssh/sshd_config
1.PubkeyAuthentication yes
2.PasswordAuthentication yes
3.GSSAPIKeyExchange no
4.GSSAPICleanupCredentials no
systemctl restart sshd
ssh-keygen
chmod 777 /root/.ssh/id_rsa.pub
ssh-copy-id -i /root/.ssh/id_rsa.pub user@ipaddress
thank you all and good luck
In many cases, you have an interface and pass along an object that implements it. Dialogs for example have the OnClickListener.
Just as a random example:
// The callback interface
interface MyCallback {
void callbackCall();
}
// The class that takes the callback
class Worker {
MyCallback callback;
void onEvent() {
callback.callbackCall();
}
}
// Option 1:
class Callback implements MyCallback {
void callbackCall() {
// callback code goes here
}
}
worker.callback = new Callback();
// Option 2:
worker.callback = new MyCallback() {
void callbackCall() {
// callback code goes here
}
};
I probably messed up the syntax in option 2. It's early.
Collection initializers are only available in VB.NET 2010, released 2010-04-12:
Dim theVar = New List(Of String) From { "one", "two", "three" }
No, I think you are thinking of stack space. Heap space is occupied by objects. The way to increase it is -Xmx256m, replacing the 256 with the amount you need on the command line.
Consider that we need to create the following XML document:
<?xml version="1.0"?>
<people>
<person first-name="eric" middle-initial="H" last-name="jung">
<address street="321 south st" city="denver" state="co" country="usa"/>
<address street="123 main st" city="arlington" state="ma" country="usa"/>
</person>
<person first-name="jed" last-name="brown">
<address street="321 north st" city="atlanta" state="ga" country="usa"/>
<address street="123 west st" city="seattle" state="wa" country="usa"/>
<address street="321 south avenue" city="denver" state="co" country="usa"/>
</person>
</people>
we can write the following code to generate the above XML
var doc = document.implementation.createDocument("", "", null);
var peopleElem = doc.createElement("people");
var personElem1 = doc.createElement("person");
personElem1.setAttribute("first-name", "eric");
personElem1.setAttribute("middle-initial", "h");
personElem1.setAttribute("last-name", "jung");
var addressElem1 = doc.createElement("address");
addressElem1.setAttribute("street", "321 south st");
addressElem1.setAttribute("city", "denver");
addressElem1.setAttribute("state", "co");
addressElem1.setAttribute("country", "usa");
personElem1.appendChild(addressElem1);
var addressElem2 = doc.createElement("address");
addressElem2.setAttribute("street", "123 main st");
addressElem2.setAttribute("city", "arlington");
addressElem2.setAttribute("state", "ma");
addressElem2.setAttribute("country", "usa");
personElem1.appendChild(addressElem2);
var personElem2 = doc.createElement("person");
personElem2.setAttribute("first-name", "jed");
personElem2.setAttribute("last-name", "brown");
var addressElem3 = doc.createElement("address");
addressElem3.setAttribute("street", "321 north st");
addressElem3.setAttribute("city", "atlanta");
addressElem3.setAttribute("state", "ga");
addressElem3.setAttribute("country", "usa");
personElem2.appendChild(addressElem3);
var addressElem4 = doc.createElement("address");
addressElem4.setAttribute("street", "123 west st");
addressElem4.setAttribute("city", "seattle");
addressElem4.setAttribute("state", "wa");
addressElem4.setAttribute("country", "usa");
personElem2.appendChild(addressElem4);
var addressElem5 = doc.createElement("address");
addressElem5.setAttribute("street", "321 south avenue");
addressElem5.setAttribute("city", "denver");
addressElem5.setAttribute("state", "co");
addressElem5.setAttribute("country", "usa");
personElem2.appendChild(addressElem5);
peopleElem.appendChild(personElem1);
peopleElem.appendChild(personElem2);
doc.appendChild(peopleElem);
If any text need to be written between a tag we can use innerHTML property to achieve it.
Example
elem = doc.createElement("Gender")
elem.innerHTML = "Male"
parent_elem.appendChild(elem)
For more details please follow the below link. The above example has been explained there in more details.
https://developer.mozilla.org/en-US/docs/Web/API/Document_object_model/How_to_create_a_DOM_tree
Get the entire record as you want using the condition with inner select query.
SELECT *
FROM member
WHERE email IN (SELECT email
FROM member
WHERE login_id = [email protected])
Config is written to .npmrc
files so just delete it. NPM looks up config in this order, setting in the next overwrites the previous one. So make sure there might be global config that usually is overwritten in per-project that becomes active after you have deleted the per-project config file. npm config list
will allways list the active config.
/path/to/npm/npmrc
)$PREFIX/etc/npmrc
)$HOME/.npmrc
)/path/to/my/project/.npmrc
)chrome://settings/content
Javascript/Manage Exceptions
Ctrl + A, Ctrl + \ - Exit screen and terminate all programs in this screen. It is helpful, for example, if you need to close a tty connection.
Ctrl + D, D or - Ctrl + A, Ctrl + D - "minimize" screen and screen -r
to restore it.
A very simple check you can do with Cell formulas:
Sheet 1 (new - old)
=(if(AND(Ref_New<>"";Ref_Old="");Ref_New;"")
Sheet 2 (old - new)
=(if(AND(Ref_Old<>"";Ref_New="");Ref_Old;"")
This formulas should work for an ENGLISH Excel. For other languages they need to be translated. (For German i can assist)
You need to open all three Excel Documents, then copy the first formula into A1 of your sheet 1 and the second into A1 of sheet 2. Now click in A1 of the first cell and mark "Ref_New", now you can select your reference, go to the new file and click in the A1, go back to sheet1 and do the same for "Ref_Old" with the old file. Replace also the other "Ref_New".
Doe the same for Sheet two.
Now copy the formaula form A1 over the complete range where zour data is in the old and the new file.
But two cases are not covered here:
To cover this two cases also, you should create your own function, means learn VBA. A very useful Excel page is cpearson.com
Even user has got answer and @Michael - sqlbot has covered mostly points very well in his post but one point is missing, so just trying to cover it.
If you want to provide read permission to a simple user (Not admin kind of)-
GRANT SELECT, EXECUTE ON DB_NAME.* TO 'user'@'localhost' IDENTIFIED BY 'PASSWORD';
Note: EXECUTE is required here, so that user can read data if there is a stored procedure which produce a report (have few select statements).
Replace localhost with specific IP from which user will connect to DB.
Additional Read Permissions are-
I'm new to Spring, but I discovered this working solution. Please tell me if it's a deprecable way.
I make Spring inject applicationContext
in this bean:
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
@Component
public class SpringUtils {
public static ApplicationContext ctx;
/**
* Make Spring inject the application context
* and save it on a static variable,
* so that it can be accessed from any point in the application.
*/
@Autowired
private void setApplicationContext(ApplicationContext applicationContext) {
ctx = applicationContext;
}
}
You can put this code also in the main application class if you want.
Other classes can use it like this:
MyBean myBean = (MyBean)SpringUtils.ctx.getBean(MyBean.class);
In this way any bean can be obtained by any object in the application (also intantiated with new
) and in a static way.
My regular question is rather "anything new or changed in repo" so whatchanged comes handy. Found it here.
git whatchanged origin/master -n 1
My solution, deep clones objects, arrays and functions.
let superClone = (object) => {
let cloning = {};
Object.keys(object).map(prop => {
if(Array.isArray(object[prop])) {
cloning[prop] = [].concat(object[prop])
} else if(typeof object[prop] === 'object') {
cloning[prop] = superClone(object[prop])
} else cloning[prop] = object[prop]
})
return cloning
}
example
let obj = {
a: 'a',
b: 'b',
c: {
deep: 'try and copy me',
d: {
deeper: 'try me again',
callDeeper() {
return this.deeper
}
},
arr: [1, 2, 3]
},
hi() {
return this.a
}
};
const cloned = superClone(obj)
obj.a = 'A'
obj.c.deep = 'i changed'
obj.c.arr = [45,454]
obj.c.d.deeper = 'i changed'
console.log(cloned) // unchanged object
If your objects contain methods don't use JSON to deep clone, JSON deep cloning doesn't clone methods.
If you take a look at this, object person2
only clones the name, not person1
's greet method.
const person1 = {
name: 'John',
greet() {
return `HI, ${this.name}`
}
}
const person2 = JSON.parse(JSON.stringify(person1))
console.log(person2) // { name: 'John' }
Basic qustion if you are using generics in your base control. If yes:
lets say we have control:
public class MyComboDropDown : ComboDropDownComon<MyType>
{
public MyComboDropDown() { }
}
MyComboDropDown will not allow to open designer on it and will be not shown in Toolbox. Why? Because base control is not already compiled - when MyComboDropDown is complied. You can modify to this:
public class MyComboDropDown : MyComboDropDownBase
{
public MyComboDropDown() { }
}
public class MyComboDropDownBase : ComboDropDownComon<MyType>
{
}
Than after rebuild, and reset toolbox it should be able to see MyComboDropDown in designer and also in Toolbox
It's very simple.
If you want to have something like a glyphicon icon and then "Wish List",
<span class="glyphicon-heart"></span> @Html.ActionLink("Wish List (0)", "Index", "Home")
The difference between
import java.util.*;
and
import java.util.*;
import java.util.List;
import java.util.Arrays;
becomes apparent when the code refers to some other List
or Arrays
(for example, in the same package, or also imported generally). In the first case, the compiler will assume that the Arrays
declared in the same package is the one to use, in the latter, since it is declared specifically, the more specific java.util.Arrays
will be used.
That's not exactly what I had in mind. What do you do if you have a generic type to only be known at runtime?
public MyDTO toObject() {
try {
var methodInfo = MethodBase.GetCurrentMethod();
if (methodInfo.DeclaringType != null) {
var fullName = methodInfo.DeclaringType.FullName + "." + this.dtoName;
Type type = Type.GetType(fullName);
if (type != null) {
var obj = JsonConvert.DeserializeObject(payload);
//var obj = JsonConvert.DeserializeObject<type.MemberType.GetType()>(payload); // <--- type ?????
...
}
}
// Example for java.. Convert this to C#
return JSONUtil.fromJSON(payload, Class.forName(dtoName, false, getClass().getClassLoader()));
} catch (Exception ex) {
throw new ReflectInsightException(MethodBase.GetCurrentMethod().Name, ex);
}
}
IE11 no longer reports as MSIE
, according to this list of changes it's intentional to avoid mis-detection.
What you can do if you really want to know it's IE is to detect the Trident/
string in the user agent if navigator.appName
returns Netscape
, something like (the untested);
function getInternetExplorerVersion()_x000D_
{_x000D_
var rv = -1;_x000D_
if (navigator.appName == 'Microsoft Internet Explorer')_x000D_
{_x000D_
var ua = navigator.userAgent;_x000D_
var re = new RegExp("MSIE ([0-9]{1,}[\\.0-9]{0,})");_x000D_
if (re.exec(ua) != null)_x000D_
rv = parseFloat( RegExp.$1 );_x000D_
}_x000D_
else if (navigator.appName == 'Netscape')_x000D_
{_x000D_
var ua = navigator.userAgent;_x000D_
var re = new RegExp("Trident/.*rv:([0-9]{1,}[\\.0-9]{0,})");_x000D_
if (re.exec(ua) != null)_x000D_
rv = parseFloat( RegExp.$1 );_x000D_
}_x000D_
return rv;_x000D_
}_x000D_
_x000D_
console.log('IE version:', getInternetExplorerVersion());
_x000D_
Note that IE11 (afaik) still is in preview, and the user agent may change before release.
None of the answers mention writing a unit testable solution. You could use System.IO.Abstractions
as it provides a testable wrapper around FileSystem operations, using which you can create a mocked file system objects and write unit tests.
using System.IO.Abstractions;
IFileInfo fileInfo = _fileSystem.FileInfo.FromFileName("filePathAndName");
fileInfo.MoveTo(Path.Combine(fileInfo.DirectoryName, newName));
It was tested, and it is working code to rename a file.
another easy way using re will be
import re, clr
text = 'some string... this part will be removed.'
text= re.search(r'(\A.*)\.\.\..+',url,re.DOTALL|re.IGNORECASE).group(1)
// text = some string
You likely have other files (such as the default
configuration) located in /etc/nginx/sites-enabled
that needs to be removed.
This issue is caused by a repeat of the default_server
parameter supplied to one or more listen
directives in your files. You'll likely find this conflicting directive reads something similar to:
listen 80 default_server;
As the nginx core module documentation for listen
states:
The
default_server
parameter, if present, will cause the server to become the default server for the specifiedaddress:port
pair. If none of the directives have thedefault_server
parameter then the first server with theaddress:port
pair will be the default server for this pair.
This means that there must be another file or server
block defined in your configuration with default_server
set for port 80. nginx is encountering that first before your mysite.com
file so try removing or adjusting that other configuration.
If you are struggling to find where these directives and parameters are set, try a search like so:
grep -R default_server /etc/nginx
In the old days, when we could assume that most computers used ASCII, we would just do
int i = c[0] - '0';
But in these days of Unicode, it's not a good idea. It was never a good idea if your code had to run on a non-ASCII computer.
Edit: Although it looks hackish, evidently it is guaranteed by the standard to work. Thanks @Earwicker.
I used recursive to solve nested list with any depth
def combine_nlist(nlist,init=0,combiner=lambda x,y: x+y):
'''
apply function: combiner to a nested list element by element(treated as flatten list)
'''
current_value=init
for each_item in nlist:
if isinstance(each_item,list):
current_value =combine_nlist(each_item,current_value,combiner)
else:
current_value = combiner(current_value,each_item)
return current_value
So after i define function combine_nlist, it is easy to use this function do flatting. Or you can combine it into one function. I like my solution because it can be applied to any nested list.
def flatten_nlist(nlist):
return combine_nlist(nlist,[],lambda x,y:x+[y])
result
In [379]: flatten_nlist([1,2,3,[4,5],[6],[[[7],8],9],10])
Out[379]: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
I've been bashing my head for a whole day with this exact problem. I've just fixed it. Here's how...
The service had to run over SSL (i.e. it's at https://mydomain.com/MyService.svc)
Adding a service reference to the WCF service on a development server worked just fine.
Deploying the exact same build of the WCF service on the live production server, then switching to the client application and configuring the service reference to point to the live service displayed no errors but the app wouldn't build: It turns out that the service reference's Reference.cs file was completely empty! Updating the service reference made no difference. Cleaning the solution didn't help. Restarting VS2010 made no difference. Creating a new blank solution, starting a console project and adding a service reference to the live service exhibited exactly the same problem.
I didn't think it was due to conflicting types or anything, but what the heck - I reconfigured the WCF service reference by unchecking "Reuse types in all referenced assemblies". No joy; I put the check mark back.
Next step was to try svcutil on the reference URL to see if that would help uncover the problem. Here's the command:
svcutil /t:code https://mydomain.com/MyService.svc /d:D:\test
This produced the following:
Microsoft (R) Service Model Metadata Tool
[Microsoft (R) Windows (R) Communication Foundation, Version 4.0.30319.1]
Copyright (c) Microsoft Corporation. All rights reserved.
Attempting to download metadata from 'https://mydomain.com/MyService.svc' using WS-Metadata Exchange or DISCO.
Error: Cannot import wsdl:portType
Detail: An exception was thrown while running a WSDL import extension: System.ServiceModel.Description.DataContractSerializerMessageContractImporter
Error: Schema with target namespace 'http://mynamespace.com//' could not be found.
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://mynamespace.com//']/wsdl:portType[@name='IMyService']
Error: Cannot import wsdl:binding
Detail: There was an error importing a wsdl:portType that the wsdl:binding is dependent on.
XPath to wsdl:portType: //wsdl:definitions[@targetNamespace='http://mynamespace.com//']/wsdl:portType[@name='IMyService']
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='WSHttpBinding_IMyService']
Error: Cannot import wsdl:port
Detail: There was an error importing a wsdl:binding that the wsdl:port is dependent on.
XPath to wsdl:binding: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:binding[@name='WSHttpBinding_IMyService']
XPath to Error Source: //wsdl:definitions[@targetNamespace='http://tempuri.org/']/wsdl:service[@name='MyService']/wsdl:port[@name='WSHttpBinding_IMyService']
Generating files...
Warning: No code was generated.
If you were trying to generate a client, this could be because the metadata documents did not contain any valid contracts or services
or because all contracts/services were discovered to exist in /reference assemblies. Verify that you passed all the metadata documents to the tool.
Warning: If you would like to generate data contracts from schemas make sure to use the /dataContractOnly option.
That had me completely stumped. Despite heavy googling and getting really rather cross, and reconsidering a career as a bus driver, I finally considered why it worked OK on the development box. Could it be an IIS configuration issue?
I remoted simultaneously into both the development and live boxes, and on each I fired up the IIS Manager (running IIS 7.5). Next, I went through each configuration setting on each box, comparing the values on each server.
And there's the problem: Under "SSL Settings" for the site, make sure "Require SSL" is checked, and check the Client Certificates radio button for "Accept". Problem fixed!
If you support IE, for versions of Internet Explorer 8 and above, this:
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7" />
Forces the browser to render as that particular version's standards. It is not supported for IE7 and below.
If you separate with semi-colon, it sets compatibility levels for different versions. For example:
<meta http-equiv="X-UA-Compatible" content="IE=7; IE=9" />
Renders IE7 and IE8 as IE7, but IE9 as IE9. It allows for different levels of backwards compatibility. In real life, though, you should only chose one of the options:
<meta http-equiv="X-UA-Compatible" content="IE=8" />
This allows for much easier testing and maintenance. Although generally the more useful version of this is using Emulate:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" />
For this:
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
It forces the browser the render at whatever the most recent version's standards are.
For more information, there is plenty to read about on MSDN,
Please refer below Ajax overview:
Make a JavaScript control that before the submit cheek that the selected option is different to your first option
In 2020, this is still not possible on Mobile Safari.
The next best solution is to show instructions on the steps to adding your page to the homescreen.
Picture is from this great article which covers that an many other tips on how to make your PWA feel iOS native.
Use https://www.npmjs.com/package/uri-parse-lib for this
var t = parserURI("http://user:[email protected]:8080/directory/file.ext?query=1&next=4&sed=5#anchor");
Another worthy optimization is the c_str ( ) member of the STL string classes, which returns an immutable null terminated string that can be passed around as a LPCTSTR, e. g., to a custom function that expects a LPCTSTR. Although I haven't traced through the destructor to confirm it, I suspect that the string class looks after the memory in which it creates the copy.
Careful - append()
will append HTML, and you may run into cross-site-scripting problems if you use it all the time and a user makes you append('<script>alert("Hello")</script>')
.
Use text()
to replace element content with text, or append(document.createTextNode(x))
to append a text node.
All libraries like stdio.h
and stdlib.h
have their implementation in libc.so
or libc.a
and get linked by the linker by default. The libraries for libc.so
are automatically linked while compiling and is included in the executable file.
But math.h
has its implementations in libm.so
or libm.a
which is seperate from libc.so
and it does not get linked by default and you have to manually link it while compiling your program
in gcc
by using -lm
flag.
The gnu gcc team designed it to be seperate from the other header files, while the other header files get linked by default but math.h file doesn't.
Here read the item no 14.3, you could read it all if you wish:
Reason why math.h is needs to be linked
Look at this article: why we have to link math.h in gcc?
Have a look at the usage:
using the library
If you are trying to determine the width of a mix of text nodes and elements inside a given element, you need to wrap all the contents with wrapInner(), calculate the width, and then unwrap the contents.
*Note: You will also need to extend jQuery to add an unwrapInner() function since it is not provided by default.
$.fn.extend({
unwrapInner: function(selector) {
return this.each(function() {
var t = this,
c = $(t).children(selector);
if (c.length === 1) {
c.contents().appendTo(t);
c.remove();
}
});
},
textWidth: function() {
var self = $(this);
$(this).wrapInner('<span id="text-width-calc"></span>');
var width = $(this).find('#text-width-calc').width();
$(this).unwrapInner();
return width;
}
});
It depends on what you want the search to do:
if you want to find all matches, use the built-in grep:
my @matches = grep { /pattern/ } @list_of_strings;
if you want to find the first match, use first
in List::Util:
use List::Util 'first';
my $match = first { /pattern/ } @list_of_strings;
if you want to find the count of all matches, use true
in List::MoreUtils:
use List::MoreUtils 'true';
my $count = true { /pattern/ } @list_of_strings;
if you want to know the index of the first match, use first_index
in List::MoreUtils:
use List::MoreUtils 'first_index';
my $index = first_index { /pattern/ } @list_of_strings;
if you want to simply know if there was a match, but you don't care which element it was or its value, use any
in List::Util:
use List::Util 1.33 'any';
my $match_found = any { /pattern/ } @list_of_strings;
All these examples do similar things at their core, but their implementations have been heavily optimized to be fast, and will be faster than any pure-perl implementation that you might write yourself with grep, map or a for loop.
Note that the algorithm for doing the looping is a separate issue than performing the individual matches. To match a string case-insensitively, you can simply use the i
flag in the pattern: /pattern/i
. You should definitely read through perldoc perlre if you have not previously done so.
It is always an option to enter python on the command line with the command python
then import your file so import example_file
then run the command with example_file.hello()
This avoids the weird .pyc copy function that crops up every time you run python -c etc.
Maybe not as convenient as a single-command, but a good quick fix to text a file from the command line, and allows you to use python to call and execute your file.
You use new
to perform dynamic allocation. It returns a pointer that points to the dynamically allocated object.
You have no reason to use new
, since A
is an automatic variable. You can simply initialise A
using its constructor:
vector<vector<int> > A(dimension, vector<int>(dimension));
You could also use XPCOM
, say in XUL
based apps like Firefox, Thunderbird or Komodo.
To know the react version, Open package.json file in root folder, search the keywork react. You will see like "react": "^16.4.0",
Do you want the decimal or not?
If not, use
select ceiling(@value),floor(@value)
If you do it with 0 then do a round:
select round(@value,2)
It seems to me that simply: ls -lt mydirectory
does the job...
Have you tried using dictionary comprehension with dictionary mapping:
a = {'a': 1, 'b': 2}
b = {'c': 3, 'd': 4}
c = {**a, **b}
# c = {"a": 1, "b": 2, "c": 3, "d": 4}
Another way of doing is by Using dict(iterable, **kwarg)
c = dict(a, **b)
# c = {'a': 1, 'b': 2, 'c': 3, 'd': 4}
In Python 3.9 you can add two dict using union | operator
# use the merging operator |
c = a | b
# c = {'a': 1, 'b': 2, 'c': 3, 'd': 4}
This seems to work nicely for me (so far), also works if you are using attribute routing.
public class BaseController : Controller
{
protected string CurrentAction { get; private set; }
protected string CurrentController { get; private set; }
protected override void Initialize(RequestContext requestContext)
{
this.PopulateControllerActionInfo(requestContext);
}
private void PopulateControllerActionInfo(RequestContext requestContext)
{
RouteData routedata = requestContext.RouteData;
object routes;
if (routedata.Values.TryGetValue("MS_DirectRouteMatches", out routes))
{
routedata = (routes as List<RouteData>)?.FirstOrDefault();
}
if (routedata == null)
return;
Func<string, string> getValue = (s) =>
{
object o;
return routedata.Values.TryGetValue(s, out o) ? o.ToString() : String.Empty;
};
this.CurrentAction = getValue("action");
this.CurrentController = getValue("controller");
}
}
So I assume your permissions table has a foreign key reference to admin_accounts table. If so because of referential integrity you will only be able to add permissions for account ids exsiting in the admin accounts table. Which also means that you wont be able to enter a user_account_id [assuming there are no duplicates!]
Here's my version. Can easily be adapted to other scenarios.
function setNumericFormat(value) {
var length = value.toString().length;
if (length < 4) {
var prefix = "";
for (var i = 1; i <= 4 - length; i++) {
prefix += "0";
}
return prefix + value.toString();
}
return value.toString();
}
I am using PuTTY and the vi editor. If I select five lines using my mouse and I want to delete those lines, how can I do that?
Forget the mouse. To remove 5 lines, either:
Also, how can I select the lines using my keyboard as I can in Windows where I press Shift and move the arrows to select the text? How can I do that in vi?
As I said, either use Shift-v to enter linewise selection mode or v to enter characterwise selection mode or Ctrl-v to enter blockwise selection mode. Then move with h, j, k and l.
I suggest spending some time with the Vim Tutor (run vimtutor
) to get more familiar with Vim in a very didactic way.
The defaultdict solution is better. But for completeness you could also check and create empty list before the append. Add the + lines:
+ if not u in self.adj.keys():
+ self.adj[u] = []
self.adj[u].append(edge)
.
.
You can do that simple with Files.size(new File(filename).toPath())
.
You may have to take care of edgecase. This is a generic method.
public class Test {
public static void main(String[] args){
System.out.println(padCharacter("0",8,"hello"));
}
public static String padCharacter(String c, int num, String str){
for(int i=0;i<=num-str.length()+1;i++){str = c+str;}
return str;
}
}
try this
var value = iterate('tr.item span.value');
var quantity = iterate('tr.item span.quantity');
function iterate(selector)
{
var result = '';
if ($(selector))
{
$(selector).each(function ()
{
if (result == '')
{
result = $(this).html();
}
else
{
result = result + "," + $(this).html();
}
});
}
}
You can also close the application:
Application.Exit();
It will end the processes.
This is how you implement a strtok()
like function (taken from a BSD licensed string processing library for C, called zString).
Below function differs from the standard strtok()
in the way it recognizes consecutive delimiters, whereas the standard strtok()
does not.
char *zstring_strtok(char *str, const char *delim) {
static char *static_str=0; /* var to store last address */
int index=0, strlength=0; /* integers for indexes */
int found = 0; /* check if delim is found */
/* delimiter cannot be NULL
* if no more char left, return NULL as well
*/
if (delim==0 || (str == 0 && static_str == 0))
return 0;
if (str == 0)
str = static_str;
/* get length of string */
while(str[strlength])
strlength++;
/* find the first occurance of delim */
for (index=0;index<strlength;index++)
if (str[index]==delim[0]) {
found=1;
break;
}
/* if delim is not contained in str, return str */
if (!found) {
static_str = 0;
return str;
}
/* check for consecutive delimiters
*if first char is delim, return delim
*/
if (str[0]==delim[0]) {
static_str = (str + 1);
return (char *)delim;
}
/* terminate the string
* this assignmetn requires char[], so str has to
* be char[] rather than *char
*/
str[index] = '\0';
/* save the rest of the string */
if ((str + index + 1)!=0)
static_str = (str + index + 1);
else
static_str = 0;
return str;
}
Below is an example code that demonstrates the usage
Example Usage
char str[] = "A,B,,,C";
printf("1 %s\n",zstring_strtok(s,","));
printf("2 %s\n",zstring_strtok(NULL,","));
printf("3 %s\n",zstring_strtok(NULL,","));
printf("4 %s\n",zstring_strtok(NULL,","));
printf("5 %s\n",zstring_strtok(NULL,","));
printf("6 %s\n",zstring_strtok(NULL,","));
Example Output
1 A
2 B
3 ,
4 ,
5 C
6 (null)
You can even use a while loop (standard library's strtok()
would give the same result here)
char s[]="some text here;
do {
printf("%s\n",zstring_strtok(s," "));
} while(zstring_strtok(NULL," "));
You can't wait()
on an object unless the current thread owns that object's monitor. To do that, you must synchronize
on it:
class Runner implements Runnable
{
public void run()
{
try
{
synchronized(Main.main) {
Main.main.wait();
}
} catch (InterruptedException e) {}
System.out.println("Runner away!");
}
}
The same rule applies to notify()
/notifyAll()
as well.
The Javadocs for wait()
mention this:
This method should only be called by a thread that is the owner of this object's monitor. See the
Throws:notify
method for a description of the ways in which a thread can become the owner of a monitor.
IllegalMonitorStateException
– if the current thread is not the owner of this object's monitor.
And from notify()
:
A thread becomes the owner of the object's monitor in one of three ways:
- By executing a synchronized instance method of that object.
- By executing the body of a
synchronized
statement that synchronizes on the object.- For objects of type
Class
, by executing a synchronized static method of that class.
In some contexts, you can leverage margin settings to effectively specify "100% width minus N pixels". See the accepted answer to this question.
Here is an easier way :
import numpy as np
twoD = np.array([[]*m]*n)
For initializing all cells with any 'x' value use :
twoD = np.array([[x]*m]*n
I remove -XX:+UseStringDeduplication from eclipse.ini . If you run eclipsec.exe you get better descryiption .
For those who couldn't find this option. Install JDK Parameter Plugin
I had the same problem but now here is how I solved it
Go to https://developers.facebook.com/
• Click on the Apps menu on the top bar.
• Select the respective app from the drop down.
• Click Settings from the table in the left side of the page
• Then under the Contact Email type in your email you would like to use
• Then click save settings button
• Go to 'Status & Review' from the table in the left side of the page.
• Do you want to make this app and all its live features available to the general public? - Select switch to set YES/NO value.
I'm sure after years you probably have an answer already. But in case someone else is looking for an answer in the future.
For my problem, I didn't have to at anything to the web.config. I didn't think I would need to either as it was working previously.
Make sure no folder is named the same as your page, I had a folder called "blog" and a page named "blog.aspx", it was trying to load the folder, I noticed this in the link, changed the folder to blogContent, now it loads fine.
I'm posting a copy here as you're the first in the search query.
It sounds like you're not asking for a general-purpose memoization decorator (i.e., you're not interested in the general case where you want to cache return values for different argument values). That is, you'd like to have this:
x = obj.name # expensive
y = obj.name # cheap
while a general-purpose memoization decorator would give you this:
x = obj.name() # expensive
y = obj.name() # cheap
I submit that the method-call syntax is better style, because it suggests the possibility of expensive computation while the property syntax suggests a quick lookup.
[Update: The class-based memoization decorator I had linked to and quoted here previously doesn't work for methods. I've replaced it with a decorator function.] If you're willing to use a general-purpose memoization decorator, here's a simple one:
def memoize(function):
memo = {}
def wrapper(*args):
if args in memo:
return memo[args]
else:
rv = function(*args)
memo[args] = rv
return rv
return wrapper
Example usage:
@memoize
def fibonacci(n):
if n < 2: return n
return fibonacci(n - 1) + fibonacci(n - 2)
Another memoization decorator with a limit on the cache size can be found here.
There is an open source offline package deployer for Windows which I wrote:
http://siddharthbarman.com/apd/
You can try this out to see if it meets your needs.
I would ensure all containers are docker-compose
'd to the same network by composing them together at the same time, using:
docker compose --file ~/front/docker-compose.yml --file ~/api/docker-compose.yml up -d
In golang's wiki it show some tricks for slice, including delete an element from slice.
Link: enter link description here
For example a is the slice which you want to delete the number i element.
a = append(a[:i], a[i+1:]...)
OR
a = a[:i+copy(a[i:], a[i+1:])]
<object classid="CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=5,1,52,701"
height="285" id="mediaPlayer" standby="Loading Microsoft Windows Media Player components..."
type="application/x-oleobject" width="360" style="margin-bottom:30px;">
<param name="fileName" value="mms://my_IP_Address:my_port" />
<param name="animationatStart" value="true" />
<param name="transparentatStart" value="true" />
<param name="autoStart" value="true" />
<param name="showControls" value="true" />
<param name="loop" value="true" />
<embed autosize="-1" autostart="true" bgcolor="darkblue" designtimesp="5311" displaysize="4"
height="285" id="mediaPlayer" loop="true" name="mediaPlayer" pluginspage="http://microsoft.com/windows/mediaplayer/en/download/"
showcontrols="true" showdisplay="0" showstatusbar="-1" showtracker="-1" src="mms://my_IP_Address:my_port"
type="application/x-mplayer2" videoborder3d="-1" width="360"></embed>
</object>
Found the issue. Qt Creator wants you to use a compiler listed under one of their Qt libraries. Use the Maintenance Tool to install this.
To do so:
Go to Tools -> Options.... Select Build & Run on left. Open Kits tab. You should have Manual -> Desktop (default) line in list. Choose it. Now select something like Qt 5.5.1 in PATH (qt5) in Qt version combobox and click Apply button. From now you should be able to create, build and run empty Qt project.
I don't think you can downcast an object, however there is a simple way to "downcast" the object outside the box. It isn't type safe, but it works. First serialize the object into json, then deserialize it into the child class object. It works the same as if you were passing the object between apis. So, while there are some people who may say "this doesn't work or isn't good", I would argue that it is exactly the way our internet currently works, so... why not use that method? No mapping required as long as parameter names are the same, and they will be if it is a child class. Note: This will likely not copy any private fields; if you have a constructor with parameters, this probably needs to be tested as well to ensure there aren't side effects.
Here's my toolbox:
public static string ConvertToJson<T>(this T obj)
{
return JsonConvert.SerializeObject(obj);
}
public static T ConvertToObject<T>(this string json)
{
if (string.IsNullOrEmpty(json))
{
return Activator.CreateInstance<T>();
}
return JsonConvert.DeserializeObject<T>(json);
}
Here's how to use it:
var sfcl = networkClient.ConvertToJson().ConvertToObject<SkyfilterClient>();
Thanks Cody heres the c# for ref:
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
DataGridView.HitTestInfo hit = dgv_track.HitTest(e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.None)
{
dgv_track.ClearSelection();
dgv_track.CurrentCell = null;
}
}
BigDecimal decPrec = (BigDecimal)yo.get("Avg");
decPrec = decPrec.setScale(5, RoundingMode.CEILING);
String value= String.valueOf(decPrec);
This way you can set specific precision of a BigDecimal
.
The value of decPrec was 1.5726903423607562595809913132345426
which is rounded off to 1.57267
.
Add this to the stylesheet:
table {
border-collapse: collapse;
}
The reason why it behaves this way is actually described pretty well in the specification:
There are two distinct models for setting borders on table cells in CSS. One is most suitable for so-called separated borders around individual cells, the other is suitable for borders that are continuous from one end of the table to the other.
... and later, for collapse
setting:
In the collapsing border model, it is possible to specify borders that surround all or part of a cell, row, row group, column, and column group.
The standard "nop" in Python is the pass
statement:
try:
do_something()
except Exception:
pass
Using except Exception
instead of a bare except
avoid catching exceptions like SystemExit
, KeyboardInterrupt
etc.
Because of the last thrown exception being remembered in Python 2, some of the objects involved in the exception-throwing statement are being kept live indefinitely (actually, until the next exception). In case this is important for you and (typically) you don't need to remember the last thrown exception, you might want to do the following instead of pass
:
try:
do_something()
except Exception:
sys.exc_clear()
This clears the last thrown exception.
In Python 3, the variable that holds the exception instance gets deleted on exiting the except
block. Even if the variable held a value previously, after entering and exiting the except
block it becomes undefined again.
The last parameter to the rgba()
function is the "alpha" or "opacity" parameter. If you set it to 0
it will mean "completely transparent", and the first three parameters (the red
, green
, and blue
channels) won't matter because you won't be able to see the color anyway.
With that in mind, I would choose rgba(0, 0, 0, 0)
because:
You could avoid the rgba
model altogether and use the transparent
keyword instead, which according to w3.org, is equivalent to "transparent black" and should compute to rgba(0, 0, 0, 0)
. For example:
h1 {
background-color: transparent;
}
This saves you yet another couple bytes while your intentions of using transparency are obvious (in case one is unfamiliar with RGBA).
As of CSS3, you can use the transparent
keyword for any CSS property that accepts a color.
Also for openCV in python you can do:
img = cv2.imread('myImage.jpg')
height, width, channels = img.shape
This worked for me after i tryed many solutions:
For some reason the adb process didn't restart itself after installing new packages. Manualy killing adb.exe and attempt to import the project another time solved this problem for me.
You can raise a notice in Postgres
as follows:
raise notice 'Value: %', deletedContactId;
Read here
I am writing tips and tricks only. It may be useful in tests and exams.
n = n*2
: n = n<<1
n = n/2
: n = n>>1
!(n & (n-1))
n
: n |= (1 << x)
x&1 == 0
(even)x ^ (1<<n)
If you have multiple activities, you can set it like this in AndroidManifest.xml
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".NumbersActivity"
android:label="@string/category_numbers"
android:theme="@style/category_numbers" />
<activity
android:name=".FamilyActivity"
android:label="@string/category_family"
android:theme="@style/category_family" />
<activity
android:name=".ColorsActivity"
android:label="@string/category_colors"
android:theme="@style/category_colors" />
<activity
android:name=".PhrasesActivity"
android:label="@string/category_phrases"
android:theme="@style/category_phrases" />
<activity
android:name=".ExperimentActivity"
android:label="@string/category_experiment"
android:theme="@style/category_experiment" />
</application>
According to the doc about Run tests by node ids
since you have all node ids in foo.txt, just run
pytest `cat foo.txt | tr '\n' ' '`
this is same with below command (with file content in the question)
pytest tests_directory/foo.py::test_001 tests_directory/bar.py::test_some_other_test
I agree with a previous answer that Google Guava is probably helping a lot here, readability-wise:
final Iterables.removeIf(list, new Predicate<String>() {
@Override
public boolean apply(String input) {
if(input.contains("How")) { //or more complex pattern matching
return true;
}
return false;
}
});
Please note that this is basically a duplicate of Guava - How to remove from a list, based on a predicate, keeping track of what was removed?
<input type="button" value="submit" style="height: 100px; width: 100px; left: 250; top: 250;">
Use this with your requirements.
'SELECT * FROM Employ where number = ' + parseInt(val, 10) + ';'
For example, if val
is "10"
then this will end up building the string:
"SELECT * FROM Employ where number = 10;"
Width and/or height in tables are not standard anymore; as Ianzz says, they are deprecated. Instead the best way to do this is to have a block element inside your table cell that will hold the cell open to your desired size:
<table>
<tr>
<td valign="top">
<div class="left_menu">
<div class="menu_item">
<a href="#">Home</a>
</div>
</div>
</td>
<td valign="top" class="content">Content</td>
</tr>
</table>
CSS
.content {
width: 1000px;
}
.left_menu {
background: none repeat scroll 0 0 #333333;
border-radius: 5px 5px 5px 5px;
font-family: Arial,Helvetica,sans-serif;
font-size: 12px;
font-weight: bold;
padding: 5px;
width: 200px;
}
.menu_item {
background: none repeat scroll 0 0 #CCCCCC;
border-bottom: 1px solid #999999;
border-radius: 5px 5px 5px 5px;
border-top: 1px solid #FFFFCC;
cursor: pointer;
padding: 5px;
}
Someone has to champion use of vertical whitespace here! :)
if ( cond1 == val1
and cond2 == val2
and cond3 == val3
):
do_stuff()
This makes each condition clearly visible. It also allows cleaner expression of more complex conditions:
if ( cond1 == val1
or
( cond2_1 == val2_1
and cond2_2 >= val2_2
and cond2_3 != bad2_3
)
):
do_more_stuff()
Yes, we're trading off a bit of vertical real estate for clarity. Well worth it IMO.
private void PictureBox1_Click(object sender, EventArgs e)
{
MessageBox.Show("Click Succes");
}
private void TextBox1_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == 13)
{
PictureBox1_Click(sender, e); //or try this one "this.PictureBox1_Click(sender, AcceptButton);"
}
}
Go to http://dev.mysql.com/downloads/connector/j and with in the dropdown select "Platform Independent" then it will show you the options to download tar.gz file or zip file.
Download zip file and extract it, with in that you will find mysql-connector-XXX.jar
file
If you are using maven then you can add the dependency from the link http://mvnrepository.com/artifact/mysql/mysql-connector-java
Select the version you want to use and add the dependency in your pom.xml
file
Try the following:
$("#myanchor")[0].click()
As simple as that.
I know this is an old question but I use synonyms. Supposedly the query is executed within database server A, and looks for a table in a database server B that does not exist on server A. Add then a synonym on A database that calls your table from server B. Your query doesn't have to include any schemas, or different database names, just call the table name per usual and it will work.
There's no need to link servers as synonyms per say are sort of linking.
An update to Martin Alléus's answer, to get the full screen whether it is a phone or a iPad without having to hard code:
CGRect rect = [[UIScreen mainScreen] bounds];
CGSize screenSize = rect.size;
UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0,0,screenSize.width,screenSize.height)];
NSString *path = [[NSBundle mainBundle] pathForResource:@"pdf" ofType:@"pdf"];
NSURL *targetURL = [NSURL fileURLWithPath:path];
NSURLRequest *request = [NSURLRequest requestWithURL:targetURL];
[webView loadRequest:request];
[self.view addSubview:webView];
even better, this will measure the average of n iterations of your query! Great for a more accurate reading.
declare @tTOTAL int = 0
declare @i integer = 0
declare @itrs integer = 100
while @i < @itrs
begin
declare @t0 datetime = GETDATE()
--your query here
declare @t1 datetime = GETDATE()
set @tTotal = @tTotal + DATEDIFF(MICROSECOND,@t0,@t1)
set @i = @i + 1
end
select @tTotal/@itrs
If you are using vue2-google-maps like me, the code to set the size looks like this:
<gmap-marker
..
:icon="{
..
anchor: { x: iconSize, y: iconSize },
scaledSize: { height: iconSize, width: iconSize },
}"
>
Building on RobertoNovelo's answer:
import * as fs from 'fs';
is currently the simplest way to do it.
It was tested with a Node.js project (Node.js v10.15.3), with esm, allowing to use import
.
static String string_swap(String str, int x, int y)
{
if( x < 0 || x >= str.length() || y < 0 || y >= str.length())
return "Invalid index";
char arr[] = str.toCharArray();
char tmp = arr[x];
arr[x] = arr[y];
arr[y] = tmp;
return new String(arr);
}
It took me some time to figure out the whole picture and I'd like to share here.
Visual Studio has two approaches to use package restore: Automatic Package Restore and MSBuild-Integrated package restore. The 'MSBuild-Integrated Package Restore' restores packages DURING the building process that might cause issues in some scenarios. The 'Automatic Package Restore' is the recommended approach by the NuGet team.
There are several steps to to make 'Automatic Package Restore' work:
In Visual Studio, Tools -> Extensions and Updates, Upgrade NuGet if there is a newer version (Version 2.7 or later)
If you use TFS, in your solution's .nuget folder, remove the NuGet.exe and NuGet.targes files. Then edit NuGet.Config to not check in NuGet packages:
<configuration>
<solution>
<add key="disableSourceControlIntegration" value="true" />
</solution>
</configuration>
If you checked in the solution's packages folder to TFS before, delete the folder and check in the deletion of package folder deletion.
If you don't use TFS, delete the .nuget folder.
In each project file (.csproj or .vbproj) in your solution, remove the line that references NuGet.targets file. The reference looks like this:
<Import Project="$(SolutionDir)\.nuget\NuGet.targets" Condition="Exists('$(SolutionDir)\.nuget\NuGet.targets')" />
Remove this line in every project file in your solution.
In Visual Studio menu, either through
Tools -> Options -> Package Manager -> General or Tools -> NuGet Package Manager -> Package Manager Settings
please enable the following two options 1) 'Allow NuGet to download missing packages' 2) 'Automatically check for missing packages during build in Visual Studio'
Test your package restore configuration by the following steps
This is still the top post when searching, but it's no longer valid. Best answer is here, but the TLDR is
<c-b>:resize-window -A
I like to use the program Artistic Style. According to their website:
Artistic Style is a source code indenter, formatter, and beautifier for the C, C++, C# and Java programming languages.
It runs in Window, Linux and Mac. It will do things like indenting, replacing tabs with spaces or vice-versa, putting spaces around operations however you like (converting if(x<2)
to if ( x<2 )
if that's how you like it), putting braces on the same line as function definitions, or moving them to the line below, etc. All the options are controlled by command line parameters.
In order to use it in vim, just set the formatprg option to it, and then use the gq command. So, for example, I have in my .vimrc:
autocmd BufNewFile,BufRead *.cpp set formatprg=astyle\ -T4pb
so that whenever I open a .cpp file, formatprg is set with the options I like. Then, I can type gg to go to the top of the file, and gqG to format the entire file according to my standards. If I only need to reformat a single function, I can go to the top of the function, then type gq][ and it will reformat just that function.
The options I have for astyle, -T4pb
, are just my preferences. You can look through their docs, and change the options to have it format the code however you like.
Here's a demo. Before astyle:
int main(){if(x<2){x=3;}}
float test()
{
if(x<2)
x=3;
}
After astyle (gggqG):
int main()
{
if (x < 2)
{
x = 3;
}
}
float test()
{
if (x < 2)
x = 3;
}
Hope that helps.
I recently moved my local repo from one Windows x64 system to another. The first time I use it half my files appear to be changed. Thanks to Jacek Szybisz for sending me to Configuring Git to handle line endings where I found the following one-liner that removed all the no-change files from Gitkraken's change queue:
git config --global core.autocrlf true
To check version of cocoapods from terminal:
For Sudoless:
gem which cocoapods
For Sudo:
sudo gem which cocoapods
Also note: If you want to edit podfile or podfile.lock don't edit it in editors. Open only with XCode.
An alternative approach would be:
df1 = sqlContext.createDataFrame(
[(1, "a", 2.0), (2, "b", 3.0), (3, "c", 3.0)],
("x1", "x2", "x3"))
df2 = sqlContext.createDataFrame(
[(1, "f", -1.0), (2, "b", 0.0)], ("x1", "x2", "x4"))
df = df1.join(df2, ['x1','x2'])
df.show()
which outputs:
+---+---+---+---+
| x1| x2| x3| x4|
+---+---+---+---+
| 2| b|3.0|0.0|
+---+---+---+---+
With the main advantage being that the columns on which the tables are joined are not duplicated in the output, reducing the risk of encountering errors such as org.apache.spark.sql.AnalysisException: Reference 'x1' is ambiguous, could be: x1#50L, x1#57L.
Whenever the columns in the two tables have different names, (let's say in the example above, df2
has the columns y1
, y2
and y4
), you could use the following syntax:
df = df1.join(df2.withColumnRenamed('y1','x1').withColumnRenamed('y2','x2'), ['x1','x2'])
Everytime you save MAMP config (PHP section), it saves the current version of PHP on ~/.profile
file and creates the alias for php, pear and pecl, to point to the current configured version. (Note: you need to check "Make this version available on the command line" option in MAMP)
However, you need to refresh your terminal (open another session) to get this file refreshed. You can also type source ~/.profile
to refesh the aliases manually.
If you want to extract this curerent version in a PHP_VERSION variable - as commented above - for further use, you can do:
export PHP_VERSION=`grep "alias php" ~/.profile | cut -d"/" -f6 | cut -c4-`
And then you'll have $PHP_VERSION available with the current version of MAMP.
Finally, if you want to run your php using the current configured version on mamp, you just need to add to your ~/.bash_profile
the following:
export PHP_VERSION=`grep "alias php" ~/.profile | cut -d"/" -f6 | cut -c4-`
export PHPRC="/Library/Application Support/appsolute/MAMP PRO/conf/" #point to your php.ini folder to use the same php settings
export PATH=/Applications/MAMP/bin/php/php$PHP_VERSION/bin:$PATH
Now, even script that relies on /usr/bin/env php
will read the correct version from Mamp config.
Looks like the question has been long ago answered but the solution did not work for me. When I was getting that error, I was able to fix the problem by downloading PyWin32
you can use the following code to check whether
{% if var is defined %}
var is variable is SET
{% endif %}
if the database is InnoDB you dont need to do joins in deletion. only
DELETE FROM spawnlist WHERE spawnlist.type = "monster";
can be used to delete the all the records that linked with foreign keys in other tables, to do that you have to first linked your tables in design time.
CREATE TABLE IF NOT EXIST spawnlist (
npc_templateid VARCHAR(20) NOT NULL PRIMARY KEY
)ENGINE=InnoDB;
CREATE TABLE IF NOT EXIST npc (
idTemplate VARCHAR(20) NOT NULL,
FOREIGN KEY (idTemplate) REFERENCES spawnlist(npc_templateid) ON DELETE CASCADE
)ENGINE=InnoDB;
if you uses MyISAM you can delete records joining like this
DELETE a,b
FROM `spawnlist` a
JOIN `npc` b
ON a.`npc_templateid` = b.`idTemplate`
WHERE a.`type` = 'monster';
in first line i have initialized the two temp tables for delet the record, in second line i have assigned the existance table to both a and b but here i have linked both tables together with join keyword, and i have matched the primary and foreign key for both tables that make link, in last line i have filtered the record by field to delete.
You can try this:
SELECT u.*, p.*
FROM users AS u LEFT JOIN (
SELECT *, ROW_NUMBER() OVER(PARTITION BY userid ORDER BY [Date] DESC) AS RowNo
FROM payments
) AS p ON u.userid = p.userid AND p.RowNo=1
Maybe something like this structure:
|-- app
|-- modules
|-- home
|-- [+] components
|-- pages
|-- home
|-- home.component.ts|html|scss|spec
|-- home-routing.module.ts
|-- home.module.ts
|-- core
|-- authentication
|-- authentication.service.ts|spec.ts
|-- footer
|-- footer.component.ts|html|scss|spec.ts
|-- guards
|-- auth.guard.ts
|-- no-auth-guard.ts
|-- admin-guard.ts
|-- http
|-- user
|-- user.service.ts|spec.ts
|-- api.service.ts|spec.ts
|-- interceptors
|-- api-prefix.interceptor.ts
|-- error-handler.interceptor.ts
|-- http.token.interceptor.ts
|-- mocks
|-- user.mock.ts
|-- services
|-- srv1.service.ts|spec.ts
|-- srv2.service.ts|spec.ts
|-- header
|-- header.component.ts|html|scss|spec.ts
|-- core.module.ts
|-- ensureModuleLoadedOnceGuard.ts
|-- logger.service.ts
|-- shared
|-- components
|-- loader
|-- loader.component.ts|html|scss|spec.ts
|-- buttons
|-- favorite-button
|-- favorite-button.component.ts|html|scss|spec.ts
|-- collapse-button
|-- collapse-button.component.ts|html|scss|spec.ts
|-- directives
|-- auth.directive.ts|spec.ts
|-- pipes
|-- capitalize.pipe.ts
|-- safe.pipe.ts
|-- configs
|-- app-settings.config.ts
|-- dt-norwegian.config.ts
|-- scss
|-- [+] partials
|-- _base.scss
|-- styles.scss
|-- assets
1) Why is the WebSockets protocol better?
WebSockets is better for situations that involve low-latency communication especially for low latency for client to server messages. For server to client data you can get fairly low latency using long-held connections and chunked transfer. However, this doesn't help with client to server latency which requires a new connection to be established for each client to server message.
Your 48 byte HTTP handshake is not realistic for real-world HTTP browser connections where there is often several kilobytes of data sent as part of the request (in both directions) including many headers and cookie data. Here is an example of a request/response to using Chrome:
Example request (2800 bytes including cookie data, 490 bytes without cookie data):
GET / HTTP/1.1
Host: www.cnn.com
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.68 Safari/537.17
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
Cookie: [[[2428 byte of cookie data]]]
Example response (355 bytes):
HTTP/1.1 200 OK
Server: nginx
Date: Wed, 13 Feb 2013 18:56:27 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: CG=US:TX:Arlington; path=/
Last-Modified: Wed, 13 Feb 2013 18:55:22 GMT
Vary: Accept-Encoding
Cache-Control: max-age=60, private
Expires: Wed, 13 Feb 2013 18:56:54 GMT
Content-Encoding: gzip
Both HTTP and WebSockets have equivalent sized initial connection handshakes, but with a WebSocket connection the initial handshake is performed once and then small messages only have 6 bytes of overhead (2 for the header and 4 for the mask value). The latency overhead is not so much from the size of the headers, but from the logic to parse/handle/store those headers. In addition, the TCP connection setup latency is probably a bigger factor than the size or processing time for each request.
2) Why was it implemented instead of updating HTTP protocol?
There are efforts to re-engineer the HTTP protocol to achieve better performance and lower latency such as SPDY, HTTP 2.0 and QUIC. This will improve the situation for normal HTTP requests, but it is likely that WebSockets and/or WebRTC DataChannel will still have lower latency for client to server data transfer than HTTP protocol (or it will be used in a mode that looks a lot like WebSockets anyways).
Update:
Here is a framework for thinking about web protocols:
text/event-stream
MIME type. The browser API (which is fairly similar to the WebSocket API) is called the EventSource API.References:
On Laravel 5.5, the cleanest way to do this is:
Theme::with('user:userid,name,address')->get()
You add a colon and the fields you wish to select separated by a comma and without a space between them.
Check out the class java.util.Formatter.
Use win APIs in your main function:
Then write another function which handles win's messages (mentioned in #1). When you receive the message WM_CREATE you have to call CreateWindow(). The class is what control is that window, for example "edit" is a text box and "button" is a.. button :). You have to specify an ID for each control (of your choice but unique among all). CreateWindow() returns a handle to that control, which needs to be memorized. When the user clicks on a control you receive the WM_COMMAND message with the ID of that control. Here you can handle that event. You might find useful SetWindowText() and GetWindowText() which allows you to set/get the text of any control.
You will need only the win32 SDK. You can get it here.
`ALTER TABLE `table_name` CHANGE `column_name`
timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
ON UPDATE CURRENT_TIMESTAMP
Can be used to update the timestamp on update.
If you don't specify indexes on your initial array, you get the regular numric ones. Arrays must have some form of unique index
There are several ways to do that. Using HTML alone, you can write
<table border=1 frame=void rules=rows>
or, if you want a border above the first row and below the last row too,
<table border=1 frame=hsides rules=rows>
This is rather inflexible, though; you cannot e.g. make the lines dotted this way, or thicker than one pixel. This is why in the past people used special separator rows, consisting of nothing but some content intended to produce a line (it gets somewhat dirty, especially when you need to make rows e.g. just a few pixels high, but it’s possible).
For the most of it, people nowadays use CSS border
properties for the purpose. It’s fairly simple and cross-browser. But note that to make the lines continuous, you need to prevent spacing between cells, using either the cellspacing=0
attribute in the table
tag or the CSS rule table { border-collapse: collapse; }
. Removing such spacing may necessitate adding some padding (with CSS, preferably) inside the cells.
At the simplest, you could use
<style>
table {
border-collapse: collapse;
}
tr {
border: solid;
border-width: 1px 0;
}
</style>
This puts a border above the first row and below the last row too. To prevent that, add e.g. the following into the style sheet:
tr:first-child {
border-top: none;
}
tr:last-child {
border-bottom: none;
}
The solution we came to having a state that took 2 parameters was changing:
.state('somestate', {
url: '/somestate',
views: {...}
}
to
.state('somestate', {
url: '/somestate?id=:&sub=:',
views: {...}
}
If you are looking at a Table, a Pivot Table, or something with conditional formatting, you can try:
ActiveCell.DisplayFormat.Interior.Color
This also seems to work just fine on regular cells.
I have just finished updating and sending an iOS 6.0 version of one of my Apps to the store. This version is backwards compatible with iOS 5.0, thus I kept the shouldAutorotateToInterfaceOrientation:
method and added the new ones as listed below.
I had to do the following:
Autorotation is changing in iOS 6. In iOS 6, the shouldAutorotateToInterfaceOrientation:
method of UIViewController is deprecated. In its place, you should use the supportedInterfaceOrientationsForWindow:
and shouldAutorotate
methods.
Thus, I added these new methods (and kept the old for iOS 5 compatibility):
- (BOOL)shouldAutorotate {
return YES;
}
- (NSUInteger)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskAllButUpsideDown;
}
viewWillLayoutSubviews
method and adjust the layout using the view’s bounds rectangle. willRotateToInterfaceOrientation:duration:
,willAnimateRotationToInterfaceOrientation:duration:
, anddidRotateFromInterfaceOrientation:
methods are no longer called on
any view controller that makes a full-screen presentation overpresentViewController:animated:completion:
.[email protected]
and the size is 640×1136. It´s also allowed to supply 640×1096 for the same portrait mode (Statusbar removed). Similar sizes may also be supplied in landscape mode if your app only allows landscape orientation on the iPhone.armv6
code has been dropped. Thus, all devices that I am able to support now (running armv7
) can be upgraded to iOS 5.That was all but just remember to test the autorotation in iOS 5 and iOS 6 because of the changes in rotation.
Depending on how much metadata you want, this is working for me: where could be the whole thing like Northwind.dbo.Products or just Products
SELECT c.name Field,
t.name Type,
c.Precision,
c.Scale,
c.is_nullable,
c.collation_name
FROM sys.columns c
INNER JOIN sys.types t ON t.system_type_id=c.system_type_id
WHERE object_id=object_id('<table to inspect>')
ORDER BY column_id
Here is an example `
$(document).ready(function() {
var lastItem = null;
$(".our-work-group > p > a").click(function(e) {
e.preventDefault();
var item = $(this).html(); //Here value of "this" is ".our-work-group > p > a"
if (item == lastItem) {
lastItem = null;
$('.our-work-single-page').show();
} else {
lastItem = item;
$('.our-work-single-page').each(function() {
var imgAlt = $(this).find('img').attr('alt'); //Here value of "this" is '.our-work-single-page'.
if (imgAlt != item) {
$(this).hide();
} else {
$(this).show();
}
});
}
});
});`
So you can see that value of this is two different values depending on the DOM element you target but when you add "that" to the code above you change the value of "this" you are targeting.
`$(document).ready(function() {
var lastItem = null;
$(".our-work-group > p > a").click(function(e) {
e.preventDefault();
var item = $(this).html(); //Here value of "this" is ".our-work-group > p > a"
if (item == lastItem) {
lastItem = null;
var that = this;
$('.our-work-single-page').show();
} else {
lastItem = item;
$('.our-work-single-page').each(function() {
***$(that).css("background-color", "#ffe700");*** //Here value of "that" is ".our-work-group > p > a"....
var imgAlt = $(this).find('img').attr('alt');
if (imgAlt != item) {
$(this).hide();
} else {
$(this).show();
}
});
}
});
});`
.....$(that).css("background-color", "#ffe700"); //Here value of "that" is ".our-work-group > p > a" because the value of var that = this; so even though we are at "this"= '.our-work-single-page', still we can use "that" to manipulate previous DOM element.
For the timer part of your script i highly reccomend using:
echo.
echo Waiting For One Hour...
TIMEOUT /T 3600 /NOBREAK
echo.
echo (Put some Other Processes Here)
echo.
pause >nul
This script waits for 1 hour (3600 seconds) and then continues on with the script and the user cannot press any buttons to bypass the timer (besides CTRL+C).
You can use
Timeout /t 3600 /nobreak >nul
If you don't want to see a countdown on the screen.
If you want to see what is run in the database use dd(DB::getQueryLog())
to see what queries were run.
Try this
BookingDates::where('email', Input::get('email'))
->orWhere('name', 'like', '%' . Input::get('name') . '%')->get();
Even though Sheena's answer does the job, pip
doesn't stop just there.
From Sheena's answer:
- Download the package
- unzip it if it is zipped
- cd into the directory containing setup.py
- If there are any installation instructions contained in documentation contained herein, read and follow the instructions OTHERWISE
- type in
python setup.py install
At the end of this, you'll end up with a .egg
file in site-packages
.
As a user, this shouldn't bother you. You can import
and uninstall
the package normally. However, if you want to do it the pip
way, you can continue the following steps.
In the site-packages
directory,
unzip <.egg file>
EGG-INFO
directory as <pkg>-<version>.dist-info
<pkg-directory>
find <pkg-directory> > <pkg>-<version>.dist-info/RECORD
find <pkg>-<version>.dist-info >> <pkg>-<version>.dist-info/RECORD
. The >>
is to prevent overwrite.Now, looking at the site-packages
directory, you'll never realize you installed without pip
. To uninstall
, just do the usual pip uninstall <pkg>
.
its done through service.bat file in apache tomcat7
visit this blog .. install tomcat7 on windows
the core functions are getBytes(String charset)
and new String(byte[] data)
. you can use these functions to do UTF-8 decoding.
UTF-8 decoding actually is a string to string conversion, the intermediate buffer is a byte array. since the target is an UTF-8 string, so the only parameter for new String()
is the byte array, which calling is equal to new String(bytes, "UTF-8")
Then the key is the parameter for input encoded string to get internal byte array, which you should know beforehand. If you don't, guess the most possible one, "ISO-8859-1" is a good guess for English user.
The decoding sentence should be
String decoded = new String(encoded.getBytes("ISO-8859-1"));
UPDATE
receipt_invoices dest,
(
SELECT
`receipt_id`,
CAST((net * 100) / 112 AS DECIMAL (11, 2)) witoutvat
FROM
receipt
WHERE CAST((net * 100) / 112 AS DECIMAL (11, 2)) != total
AND vat_percentage = 12
) src
SET
dest.price = src.witoutvat,
dest.amount = src.witoutvat
WHERE col_tobefixed = 1
AND dest.`receipt_id` = src.receipt_id ;
Hope this will help you in a case where you have to match and update between two tables.
I guess you can use @CollectionOfElements
(for hibernate/jpa 1) / @ElementCollection
(jpa 2) to map a collection of "entity properties" to a List
in entity
.
You can create the EntityProperty
type and annotate it with @Embeddable
I received a similar error message once, in my case it was because my pandas dataframe contained NULLs. I will recommend to try & handle this in pandas before converting to spark (this resolved the issue in my case).
I am not sure if this is the best way to use GSON, but works for me. You can use some like this on the MainActivity
:
public void readJson() {
dataArrayList = new ArrayList<>();
String json = "[\n" + IOHelper.getData(this) + "\n]\n";
Log.d(TAG, json);
try{
JSONArray channelSearchEnums = new JSONArray(json);
for(int i=0; i< channelSearchEnums.length(); i++)
{
JSONObject enum = channelSearchEnums.getJSONObject(i);
ChannelSearchEnum channel = new ChannelSearchEnum(
enum.getString("updated_at"), enum.getString("fetched_at"),
enum.getString("description"), enum.getString("language"),
enum.getString("title"), enum.getString("url"),
enum.getString("icon_url"), enum.getString("logo_url"),
enum.getString("id"), enum.getString("modified"))
dataArrayList.add(channel);
}
//The code and place you want to show your data
}catch (Exception e)
{
Log.d(TAG, e.getLocalizedMessage());
}
}
You only have strings, but if you would have doubles or int, you could put getDouble
or getInt
too.
The method of IOHelper
class is the next (Here, the path is save on the internal Storage):
public static String getData(Context context) {
try {
File f = new File(context.getFilesDir().getPath() + "/" + fileName);
//check whether file exists
FileInputStream is = new FileInputStream(f);
int size = is.available();
byte[] buffer = new byte[size];
is.read(buffer);
is.close();
return new String(buffer);
} catch (IOException e) {
Log.e("TAG", "Error in Reading: " + e.getLocalizedMessage());
return null;
}
}
If you want more information about this, you can see this video, where I get the code of readJson()
; and this thread where I get the code of getData()
.
F# is not yet-another-programming-language if you are comparing it to C#, C++, VB. C#, C, VB are all imperative or procedural programming languages. F# is a functional programming language.
Two main benefits of functional programming languages (compared to imperative languages) are 1. that they don't have side-effects. This makes mathematical reasoning about properties of your program a lot easier. 2. that functions are first class citizens. You can pass functions as parameters to another functions just as easily as you can other values.
Both imperative and functional programming languages have their uses. Although I have not done any serious work in F# yet, we are currently implementing a scheduling component in one of our products based on C# and are going to do an experiment by coding the same scheduler in F# as well to see if the correctness of the implementation can be validated more easily than with the C# equivalent.
I encounter the same problem. I inited a bean object in static block like below:
static {
try{
mqttConfiguration = SpringBootBeanUtils.<MqttConfiguration>getBean(MqttConfiguration.class);
}catch (Throwable e){
System.out.println(e);
}
}
Just because the process the my bean obejct inition caused a NPE, I get trouble into it. So I think you should check you static code block carefully.
I've never implemented this, but I've looked into a similar problem, and here's what I would try.
First, I would see if you could simply fire a keypress
event for the Tab key on the element that currently has focus. There may be a different way of doing this for different browsers.
Referencing the jQuery implementation, you must:
Listening for Tab and Shift+Tab are probably well-covered elsewhere on the web, so I'll skip that part.
Knowing which elements are tab-able is trickier. Basically, an element is tab-able if it is focusable and does not have the attribute tabindex="-1"
set. So then we must ask which elements are focusable. The following elements are focusable:
input
, select
, textarea
, button
, and object
elements that aren't disabled.a
and area
elements that have an href
or have a numerical value for tabindex
set.tabindex
set.Furthermore, an element is focusable only if:
display: none
.visibility
is visible
. This means that the nearest ancestor to have visibility
set must have a value of visible
. If no ancestor has visibility
set, then the computed value is visible
.More details are in another Stack Overflow answer.
The tab order of elements in a document is controlled by the tabindex
attribute. If no value is set, the tabindex
is effectively 0
.
The tabindex
order for the document is: 1, 2, 3, …, 0.
Initially, when the body
element (or no element) has focus, the first element in the tab order is the lowest non-zero tabindex
. If multiple elements have the same tabindex
, you then go in document order until you reach the last element with that tabindex
. Then you move to the next lowest tabindex
and the process continues. Finally, finish with those elements with a zero (or empty) tabindex
.
You should use the ISO-8601 format for string representations of dates - anything else is dependent on the SQL Server language and dateformat settings.
The ISO-8601 format for a DATETIME
when using only the date is: YYYYMMDD
(no dashes or antyhing!)
For a DATETIME
with the time portion, it's YYYY-MM-DDTHH:MM:SS
(with dashes, and a T
in the middle to separate date and time portions).
If you want to convert a string to a DATE
for SQL Server 2008 or newer, you can use YYYY-MM-DD
(with the dashes) to achieve the same result. And don't ask me why this is so inconsistent and confusing - it just is, and you'll have to work with that for now.
So in your case, you should try:
declare @a datetime
declare @b datetime
set @a = '2012-04-06T12:23:45' -- 6th of April, 2012
set @b = '2012-08-06T21:10:12' -- 6th of August, 2012
exec LogProcedure 'AccountLog', N'test', @a, @b
Furthermore - your stored proc has problem, since you're concatenating together datetime
and string into a string, but you're not converting the datetime
to string first, and also, you're forgetting the close quotes in your statement after both dates.
So change this line here to this:
IF @DateFirst <> '' and @DateLast <> ''
SET @FinalSQL = @FinalSQL + ' OR CONVERT(Date, DateLog) >= ''' +
CONVERT(VARCHAR(50), @DateFirst, 126) + -- convert @DateFirst to string for concatenation!
''' AND CONVERT(Date, DateLog) <=''' + -- you need closing quotes after @DateFirst!
CONVERT(VARCHAR(50), @DateLast, 126) + '''' -- convert @DateLast to string and also: closing tags after that missing!
With these settings, and once you've fixed your stored procedure which contains problems right now, it will work.
If you want to make temporary files in Python, there's a module called tempfile in Python's standard libraries. If you want to launch other programs to operate on the file, use tempfile.mkstemp() to create files, and os.fdopen() to access the file descriptors that mkstemp() gives you.
Incidentally, you say you're running commands from a Python program? You should almost certainly be using the subprocess module.
So you can quite merrily write code that looks like:
import subprocess
import tempfile
import os
(fd, filename) = tempfile.mkstemp()
try:
tfile = os.fdopen(fd, "w")
tfile.write("Hello, world!\n")
tfile.close()
subprocess.Popen(["/bin/cat", filename]).wait()
finally:
os.remove(filename)
Running that, you should find that the cat
command worked perfectly well, but the temporary file was deleted in the finally
block. Be aware that you have to delete the temporary file that mkstemp() returns yourself - the library has no way of knowing when you're done with it!
(Edit: I had presumed that NamedTemporaryFile did exactly what you're after, but that might not be so convenient - the file gets deleted immediately when the temp file object is closed, and having other processes open the file before you've closed it won't work on some platforms, notably Windows. Sorry, fail on my part.)
Well, in this case the car
variable will be null
, so dereferencing it (as you do when you access car.length
) will throw a NullPointerException
.
In fact, you can't access that variable at all until some value has definitely been assigned to it - otherwise the compiler will complain that "variable car might not have been initialized".
What is it you're trying to do here (it's not clear to me exactly what "solution" you're looking for)?
initialize the Session class in the constructor of controller using
$this->load->library('session');
for example :
function __construct()
{
parent::__construct();
$this->load->model('user','',TRUE);
$this->load->model('user_activity','',TRUE);
$this->load->library('session');
}
Under the circumstances, you're almost certainly better off skipping the check for self-assignment -- when you're only assigning one member that seems to be a simple type (probably a double), it's generally faster to do that assignment than avoid it, so you'd end up with:
SimpleCircle & SimpleCircle::operator=(const SimpleCircle & rhs)
{
itsRadius = rhs.getRadius(); // or just `itsRadius = rhs.itsRadius;`
return *this;
}
I realize that many older and/or lower quality books advise checking for self assignment. At least in my experience, however, it's sufficiently rare that you're better off without it (and if the operator depends on it for correctness, it's almost certainly not exception safe).
As an aside, I'd note that to define a circle, you generally need a center and a radius, and when you copy or assign, you want to copy/assign both.
If you'd like to use CSS3, you can do it pretty simply using background-size, like so:
background-size: 100%;
It is supported by all major browsers (including IE9+). If you'd like to get it working in IE8 and before, check out the answers to this question.
I searched for any solution to not use the "SendKeys(CHR(13))
" methode I ever used to submit stuff in Browser. In this case I was happy to see your
InvokeMember("click")
but dont know why you know that you have to write "click" in there. Anyway Thanks
Check the name of your angular module...what is the name of your module in your app.js?
In your TransportersController, you have:
angular.module('mean.transporters')
and in your TransportersService you have:
angular.module('transporterService', [])
You probably want to reference the same module in each:
angular.module('myApp')
A raw type is the name of a generic class or interface without any type arguments. For example, given the generic Box class:
public class Box<T> {
public void set(T t) { /* ... */ }
// ...
}
To create a parameterized type of Box<T>
, you supply an actual type argument for the formal type parameter T
:
Box<Integer> intBox = new Box<>();
If the actual type argument is omitted, you create a raw type of Box<T>
:
Box rawBox = new Box();
Therefore, Box
is the raw type of the generic type Box<T>
. However, a non-generic class or interface type is not a raw type.
Raw types show up in legacy code because lots of API classes (such as the Collections classes) were not generic prior to JDK 5.0. When using raw types, you essentially get pre-generics behavior — a Box
gives you Object
s. For backward compatibility, assigning a parameterized type to its raw type is allowed:
Box<String> stringBox = new Box<>();
Box rawBox = stringBox; // OK
But if you assign a raw type to a parameterized type, you get a warning:
Box rawBox = new Box(); // rawBox is a raw type of Box<T>
Box<Integer> intBox = rawBox; // warning: unchecked conversion
You also get a warning if you use a raw type to invoke generic methods defined in the corresponding generic type:
Box<String> stringBox = new Box<>();
Box rawBox = stringBox;
rawBox.set(8); // warning: unchecked invocation to set(T)
The warning shows that raw types bypass generic type checks, deferring the catch of unsafe code to runtime. Therefore, you should avoid using raw types.
The Type Erasure section has more information on how the Java compiler uses raw types.
As mentioned previously, when mixing legacy code with generic code, you may encounter warning messages similar to the following:
Note: Example.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
This can happen when using an older API that operates on raw types, as shown in the following example:
public class WarningDemo {
public static void main(String[] args){
Box<Integer> bi;
bi = createBox();
}
static Box createBox(){
return new Box();
}
}
The term "unchecked" means that the compiler does not have enough type information to perform all type checks necessary to ensure type safety. The "unchecked" warning is disabled, by default, though the compiler gives a hint. To see all "unchecked" warnings, recompile with -Xlint:unchecked.
Recompiling the previous example with -Xlint:unchecked reveals the following additional information:
WarningDemo.java:4: warning: [unchecked] unchecked conversion
found : Box
required: Box<java.lang.Integer>
bi = createBox();
^
1 warning
To completely disable unchecked warnings, use the -Xlint:-unchecked flag. The @SuppressWarnings("unchecked")
annotation suppresses unchecked warnings. If you are unfamiliar with the @SuppressWarnings
syntax, see Annotations.
Original source: Java Tutorials
If you are facing trouble while reverting back the migration, and somehow have messed it, you can perform fake
migrations.
./manage.py migrate <name> --ignore-ghost-migrations --merge --fake
For django version < 1.7 this will create entry in south_migrationhistory
table, you need to delete that entry.
Now you'll be able to revert back the migration easily.
PS: I was stuck for a lot of time and performing fake migration and then reverting back helped me out.
Clone target repository same way like you cloning any other project:
git clone [email protected]:myuser/foo.git
Then install it in develop mode:
cd foo
pip install -e .
You can change anything you wan't and every code using foo
package will use modified code.
There 2 benefits ot this solution:
.git
dir, so it's regular Git repository. You can push to your fork right away.System properties are set on the Java command line using the -Dpropertyname=value
syntax. They can also be added at runtime
using System.setProperty(String key, String value)
or via the various
System.getProperties().load()
methods.
To get a specific system property you can use System.getProperty(String key)
or System.getProperty(String key, String def)
.
Environment variables are set in the OS, e.g. in Linux export HOME=/Users/myusername
or on Windows SET WINDIR=C:\Windows
etc,
and, unlike properties, may not be set at runtime.
To get a specific environment variable you can use System.getenv(String name)
.
As a button value is an attribute you need to use the .attr() method in jquery. This should do it
<script type="text/javascript">
$(document).ready(function() {
$('.my_button').click(function() {
alert($(this).attr("value"));
});
});
</script>
You can also use attr to set attributes, more info in the docs.
This only works in JQuery 1.6+. See postpostmodern's answer for older versions.
I did not find where the .rnd file is so I ran the cmd as administrator and it worked like a charm.
try this one
return Content("<form action='actionname' id='frmTest' method='post'><input type='hidden' name='someValue' value='" + someValue + "' /><input type='hidden' name='anotherValue' value='" + anotherValue + "' /></form><script>document.getElementById('frmTest').submit();</script>");
You must allow for more than a digit (the +
sign) as in:
String regex = "[0-9]+";
String data = "23343453";
System.out.println(data.matches(regex));
The easier way is through the web management console:
Once you have an image you can launch another cloned instance, data and all. :)
if (Build.BRAND.equalsIgnoreCase("generic")) {
// Is the emulator
}
All BUILD references are build.prop values, so you have to consider that if you are going to put this into release code, you may have some users with root that have modified theirs for whatever reason. There are virtually no modifications that require using generic as the brand unless specifically trying to emulate the emulator.
Fingerprint is the build compile and kernel compile signature. There are builds that use generic, usually directly sourced from Google.
On a device that has been modified, the IMEI has a possibility of being zeroed out as well, so that is unreliable unless you are blocking modified devices altogether.
Goldfish is the base android build that all other devices are extended from. EVERY Android device has an init.goldfish.rc unless hacked and removed for unknown reasons.
template<class...>struct types{using type=types;};
template<class T>struct tag{using type=T;};
template<class Tag>using type_t=typename Tag::type;
the above helpers let you work with types as values.
class A {
template<class T>
A( tag<T> );
};
the tag<T>
type is a variable with no state besides the type it caries. You can use this to pass a pure-type value into a template function and have the type be deduced by the template function:
auto a = A(tag<int>{});
You can pass in more than one type:
class A {
template<class T, class U, class V>
A( types<T,U,V> );
};
auto a = A(types<int,double,std::string>{});
My resolution was kind of stupid.
I installed a copy of .net 3.5
Created another app pool and selected .net 3.5 (it says 2.0.5077 in the drop down)
Added my website to that app pool
Recycled the old and new pools and the site started working.
It came down to me not having 3.5 installed even though the turn on windows features said I did and creating another app pool to use. I hope this helps others.
Tested with kafka 0.10
1. stop zookeeper & Kafka server,
2. then go to 'kafka-logs' folder , there you will see list of kafka topic folders, delete folder with topic name
3. go to 'zookeeper-data' folder , delete data inside that.
4. start zookeeper & kafka server again.
Note : if you are deleting topic folder/s inside kafka-logs but not from zookeeper-data folder, then you will see topics are still there.
I recommend that you get in the habit, right now, of using ANSI-style joins, meaning you should use the INNER JOIN
, LEFT OUTER JOIN
, RIGHT OUTER JOIN
, FULL OUTER JOIN
, and CROSS JOIN
elements in your SQL statements rather than using the "old-style" joins where all the tables are named together in the FROM
clause and all the join conditions are put in the the WHERE
clause. ANSI-style joins are easier to understand and less likely to be miswritten and/or misinterpreted than "old-style" joins.
I'd rewrite your query as:
SELECT bc.firstname,
bc.lastname,
b.title,
TO_CHAR(bo.orderdate, 'MM/DD/YYYY') "Order Date",
p.publishername
FROM BOOK_CUSTOMER bc
INNER JOIN books b
ON b.BOOK_ID = bc.BOOK_ID
INNER JOIN book_order bo
ON bo.BOOK_ID = b.BOOK_ID
INNER JOIN publisher p
ON p.PUBLISHER_ID = b.PUBLISHER_ID
WHERE p.publishername = 'PRINTING IS US';
Share and enjoy.
In case you need to do that from the command line, just copy, adapt & paste this snippet:
mysql -e "CREATE DATABASE \`new_database\`;"
for table in `mysql -B -N -e "SHOW TABLES;" old_database`
do
mysql -e "RENAME TABLE \`old_database\`.\`$table\` to \`new_database\`.\`$table\`"
done
mysql -e "DROP DATABASE \`old_database\`;"
You could also try out http://code.google.com/p/android-multitouch-controller/
The library is really great, although initially a little hard to grasp.
this is a good sample for understand directive phases http://codepen.io/anon/pen/oXMdBQ?editors=101
var app = angular.module('myapp', [])
app.directive('slngStylePrelink', function() {
return {
scope: {
drctvName: '@'
},
controller: function($scope) {
console.log('controller for ', $scope.drctvName);
},
compile: function(element, attr) {
console.log("compile for ", attr.name)
return {
post: function($scope, element, attr) {
console.log('post link for ', attr.name)
},
pre: function($scope, element, attr) {
$scope.element = element;
console.log('pre link for ', attr.name)
// from angular.js 1.4.1
function ngStyleWatchAction(newStyles, oldStyles) {
if (oldStyles && (newStyles !== oldStyles)) {
forEach(oldStyles, function(val, style) {
element.css(style, '');
});
}
if (newStyles) element.css(newStyles);
}
$scope.$watch(attr.slngStylePrelink, ngStyleWatchAction, true);
// Run immediately, because the watcher's first run is async
ngStyleWatchAction($scope.$eval(attr.slngStylePrelink));
}
};
}
};
});
html
<body ng-app="myapp">
<div slng-style-prelink="{height:'500px'}" drctv-name='parent' style="border:1px solid" name="parent">
<div slng-style-prelink="{height:'50%'}" drctv-name='child' style="border:1px solid red" name='child'>
</div>
</div>
</body>
In case anyone else runs into this. I have a web site that was working fine on the desktop browser but I was getting 400 errors with Android devices.
It turned out to be the anti forgery token.
$.ajax({
url: "/Cart/AddProduct/",
data: {
__RequestVerificationToken: $("[name='__RequestVerificationToken']").val(),
productId: $(this).data("productcode")
},
The problem was that the .Net controller wasn't set up correctly.
I needed to add the attributes to the controller:
[AllowAnonymous]
[IgnoreAntiforgeryToken]
[DisableCors]
[HttpPost]
public async Task<JsonResult> AddProduct(int productId)
{
The code needs review but for now at least I know what was causing it. 400 error not helpful at all.
Use https://github.com/kristerkari/react-native-svg-transformer
In this package it is mentioned that .svg
files are not supported in React Native v0.57 and lower so use .svgx
extension for svg files.
For web or react-native-web use https://www.npmjs.com/package/@svgr/webpack
To render svg files using react-native-svg-uri
with react-native version 0.57 and lower, you need to add following files to your root project
Note: change extension
svg
tosvgx
transformer.js
to project's root// file: transformer.js
const cleanupSvg = require('./cleanup-svg');
const upstreamTransformer = require("metro/src/transformer");
// const typescriptTransformer = require("react-native-typescript-transformer");
// const typescriptExtensions = ["ts", "tsx"];
const svgExtensions = ["svgx"]
// function cleanUpSvg(text) {
// text = text.replace(/width="([#0-9]+)px"/gi, "");
// text = text.replace(/height="([#0-9]+)px"/gi, "");
// return text;
// }
function fixRenderingBugs(content) {
// content = cleanUpSvg(content); // cleanupSvg removes width and height attributes from svg
return "module.exports = `" + content + "`";
}
module.exports.transform = function ({ src, filename, options }) {
// if (typescriptExtensions.some(ext => filename.endsWith("." + ext))) {
// return typescriptTransformer.transform({ src, filename, options })
// }
if (svgExtensions.some(ext => filename.endsWith("." + ext))) {
return upstreamTransformer.transform({
src: fixRenderingBugs(src),
filename,
options
})
}
return upstreamTransformer.transform({ src, filename, options });
}
rn-cli.config.js
to project's rootmodule.exports = {
getTransformModulePath() {
return require.resolve("./transformer");
},
getSourceExts() {
return [/* "ts", "tsx", */ "svgx"];
}
};
The above mentioned solutions will work in production apps too ?
There are several correct ways to display a down-pointing and upward-pointing triangle.
HTML :
▲
▼
HTML :
▲
▼
HTML :
?
?
HTML :
<span class='icon-up'></span>
<span class='icon-down'></span>
CSS :
.icon-up:before {
content: "\25B2";
}
.icon-down:before {
content: "\25BC";
}
Each of these three methods should have the same output. For other symbols, the same three options exist. Some even have a fourth option, allowing you to use a string based reference (eg. ♥
to display ?).
You can use a reference website like Unicode-table.com to find which icons are supported in UNICODE and which codes they correspond with. For example, you find the values for the down-pointing triangle at http://unicode-table.com/en/25BC/.
Note that these methods are sufficient only for icons that are available by default in every browser. For symbols like ?,?,?,?,?,? or ?, this is far less likely to be the case. While it is possible to provide cross-browser support for other UNICODE symbols, the procedure is a bit more complicated.
If you want to know how to add support for less common UNICODE characters, see Create webfont with Unicode Supplementary Multilingual Plane symbols for more info on how to do this.
A totally different strategy is the use of background-images instead of fonts. For optimal performance, it's best to embed the image in your CSS file by base-encoding it, as mentioned by eg. @weasel5i2 and @Obsidian. I would recommend the use of SVG rather than GIF, however, is that's better both for performance and for the sharpness of your symbols.
This following code is the base64 for and SVG version of the icon :
/* size: 0.9kb */
url(data:image/svg+xml;base64,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
For many use cases, SVG-based background images and icon fonts are largely equivalent with regards to performance and flexibility. To decide which to pick, consider the following differences:
SVG images
color
, font-size
, line-height
, background-color
or other font related styling rules to change the display of your icon, but you can reference different components of the icon as shapes individually.Icon fonts
color
, font-size
, line-height
, background-color
or other font related styling rules to change the display of your iconPersonally, I would recommend the use of background-images only when you need multiple colors and those color can't be achieved by means of color
, background-color
and other color-related CSS rules for fonts.
The main benefit of using SVG images is that you can give different components of a symbol their own styling. If you embed your SVG XML code in the HTML document, this is very similar to styling the HTML. This would, however, result in a web page that uses both HTML tags and SVG tags, which could significantly reduce the readability of a webpage. It also adds extra bloat if the symbol is repeated across multiple pages and you need to consider that old versions of IE have no or limited support for SVG.
As far as I know, there's no way you can do this in CSS.
But I think that a little server-side logic could easily do as you suggest. CSS stylesheets are normally static assets, but there is no reason they couldn't be dynamically generated by server-side code. Your server-side script would:
Links to this CSS-generating page would look something like:
<link rel="stylesheet" href="http://yoursite.com/custom.ashx?user=1231">
If you don't use the .css extension be sure to set the MIME-type correctly so that the browser knows to interpret the file as CSS.
(Note that to make colours lighter you have to raise each of the RGB values)
There is nothing like kafka --version
at this point. So you should either check the version from your kafka/libs/
folder or you can run
find ./libs/ -name \*kafka_\* | head -1 | grep -o '\kafka[^\n]*'
from your kafka folder (and it will do the same for you). It will return you something like kafka_2.9.2-0.8.1.1.jar.asc
where 0.8.1.1
is your kafka version.
Store as JSON a numpy.ndarray or any nested-list composition.
class NumpyEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, np.ndarray):
return obj.tolist()
return json.JSONEncoder.default(self, obj)
a = np.array([[1, 2, 3], [4, 5, 6]])
print(a.shape)
json_dump = json.dumps({'a': a, 'aa': [2, (2, 3, 4), a], 'bb': [2]}, cls=NumpyEncoder)
print(json_dump)
Will output:
(2, 3)
{"a": [[1, 2, 3], [4, 5, 6]], "aa": [2, [2, 3, 4], [[1, 2, 3], [4, 5, 6]]], "bb": [2]}
To restore from JSON:
json_load = json.loads(json_dump)
a_restored = np.asarray(json_load["a"])
print(a_restored)
print(a_restored.shape)
Will output:
[[1 2 3]
[4 5 6]]
(2, 3)
Since PyYAML's yaml.load()
function parses YAML documents to native Python data structures, you can just access items by key or index. Using the example from the question you linked:
import yaml
with open('tree.yaml', 'r') as f:
doc = yaml.load(f)
To access branch1 text
you would use:
txt = doc["treeroot"]["branch1"]
print txt
"branch1 text"
because, in your YAML document, the value of the branch1
key is under the treeroot
key.
You can use calc (100% - 100px) on the fluid element, along with display:inline-block for both elements.
Be aware that there should not be any space between the tags, otherwise you will have to consider that space in your calc too.
.left{
display:inline-block;
width:100px;
}
.right{
display:inline-block;
width:calc(100% - 100px);
}
<div class=“left”></div><div class=“right”></div>
Quick example: http://jsfiddle.net/dw689mt4/1/
The error message explains it pretty well:
ValueError: The truth value of an array with more than one element is ambiguous.
Use a.any() or a.all()
What should bool(np.array([False, False, True]))
return? You can make several plausible arguments:
(1) True
, because bool(np.array(x))
should return the same as bool(list(x))
, and non-empty lists are truelike;
(2) True
, because at least one element is True
;
(3) False
, because not all elements are True
;
and that's not even considering the complexity of the N-d case.
So, since "the truth value of an array with more than one element is ambiguous", you should use .any()
or .all()
, for example:
>>> v = np.array([1,2,3]) == np.array([1,2,4])
>>> v
array([ True, True, False], dtype=bool)
>>> v.any()
True
>>> v.all()
False
and you might want to consider np.allclose
if you're comparing arrays of floats:
>>> np.allclose(np.array([1,2,3+1e-8]), np.array([1,2,3]))
True
When you use DateTime you are able to store a date and a time inside a variable.
The date can be a local time or a UTC time, it depend on you.
For example, I'm in Italy (+2 UTC)
var dt1 = new DateTime(2011, 6, 27, 12, 0, 0); // store 2011-06-27 12:00:00
var dt2 = dt1.ToUniversalTime() // store 2011-06-27 10:00:00
So, what happen when I print dt1 and dt2 including the timezone?
dt1.ToString("MM/dd/yyyy hh:mm:ss z")
// Compiler alert...
// Output: 06/27/2011 12:00:00 +2
dt2.ToString("MM/dd/yyyy hh:mm:ss z")
// Compiler alert...
// Output: 06/27/2011 10:00:00 +2
dt1 and dt2 contain only a date and a time information. dt1 and dt2 don't contain the timezone offset.
So where the "+2" come from if it's not contained in the dt1 and dt2 variable?
It come from your machine clock setting.
The compiler is telling you that when you use the 'zzz' format you are writing a string that combine "DATE + TIME" (that are store in dt1 and dt2) + "TIMEZONE OFFSET" (that is not contained in dt1 and dt2 because they are DateTyme type) and it will use the offset of the server machine that it's executing the code.
The compiler tell you "Warning: the output of your code is dependent on the machine clock offset"
If i run this code on a server that is positioned in London (+1 UTC) the result will be completly different: instead of "+2" it will write "+1"
...
dt1.ToString("MM/dd/yyyy hh:mm:ss z")
// Output: 06/27/2011 12:00:00 +1
dt2.ToString("MM/dd/yyyy hh:mm:ss z")
// Output: 06/27/2011 10:00:00 +1
The right solution is to use DateTimeOffset data type in place of DateTime. It's available in sql Server starting from the 2008 version and in the .Net framework starting from the 3.5 version
Simple answer.
The map
operation can produce a Stream
of Stream
.EX Stream<Stream<Integer>>
flatMap
operation will only produce Stream
of something. EX Stream<Integer>
This is the best way to make add images/screenshots of your app and keep your repository look clean.
Create a screenshot
folder in your repository and add the images you want to display.
Now go to README.md
and add this HTML code to form a table.
#### Flutter App Screenshots
<table>
<tr>
<td>First Screen Page</td>
<td>Holiday Mention</td>
<td>Present day in purple and selected day in pink</td>
</tr>
<tr>
<td><img src="screenshots/Screenshot_1582745092.png" width=270 height=480></td>
<td><img src="screenshots/Screenshot_1582745125.png" width=270 height=480></td>
<td><img src="screenshots/Screenshot_1582745139.png" width=270 height=480></td>
</tr>
</table>
In the <td><img src="(COPY IMAGE PATH HERE)" width=270 height=480></td>
** To get the image path --> Go to the screenshot
folder and open the image
and on the right most side, you will find Copy path
button.
You will get a table like this in your repository--->
Things to remember:
class A
has an object of class B
as a member or vice versa. Read the FAQ:
tr td
{
border-bottom: 2px solid silver;
}
or if you want the border inside the TR tag, you can do this:
tr td {
box-shadow: inset 0px -2px 0px silver;
}
Data in jQuery ajax()
function accepts anonymous objects as its input, see documentation. So example of what you're looking for is:
dataString = {key: 'val', key2: 'val2'};
$.ajax({
type: "POST",
url: "script.php",
data: dataString,
cache: false,
success: function(){
alert("OK");
}
});
You may also write POST/GET query on your own, like key=val&key2=val2
, but you'd have to handle escaping yourself which is impractical.
Btw, you cannot encrypt with DSA, only sign. Although they are mathematically equivalent (more or less) you cannot use DSA in practice as an encryption scheme, only as a digital signature scheme.
I haven't needed to turn on anti-alias because it's on by default but I have needed to turn it off. And if it can be turned off it can also be turned on.
ctx.imageSmoothingEnabled = true;
I usually shut it off when I'm working on my canvas rpg so when I zoom in the images don't look blurry.
Russian Edition
offers CSV
, CSV (Macintosh)
and CSV (DOS)
.
When saving in plain CSV
, it uses windows-1251
.
I just tried to save French word Résumé
along with the Russian text, it saved it in HEX
like 52 3F 73 75 6D 3F
, 3F
being the ASCII
code for question mark
.
When I opened the CSV
file, the word, of course, became unreadable (R?sum?
)
if just using internet then use-
<uses-permission android:name="android.permission.INTERNET" />
if you are getting the state of internet then use also -
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
just above the application tag.
You can add multiple classes to a single DOM element, e.g.
<div class="firstClass secondClass thirdclass fourthclass"></div>
Rules given in later classes (or which are more specific) override. So the fourthclass
in that example kind of prevails.
Inheritance is not part of the CSS standard.
For no particular reason, arrays cannot be assigned to one another. Use std::copy
instead:
#include <algorithm>
// ...
int a[8] = {2, 3, 5, 7, 11, 13, 17, 19};
int b[8];
std::copy(a + 0, a + 8, b);
This is more flexible than what true array assignment could provide because it is possible to copy slices of larger arrays into smaller arrays.
std::copy
is usually specialized for primitive types to give maximum performance. It is unlikely that std::memcpy
performs better. If in doubt, measure.
Although you cannot assign arrays directly, you can assign structs and classes which contain array members. That is because array members are copied memberwise by the assignment operator which is provided as a default by the compiler. If you define the assignment operator manually for your own struct or class types, you must fall back to manual copying for the array members.
Arrays cannot be passed by value. You can either pass them by pointer or by reference.
Since arrays themselves cannot be passed by value, usually a pointer to their first element is passed by value instead. This is often called "pass by pointer". Since the size of the array is not retrievable via that pointer, you have to pass a second parameter indicating the size of the array (the classic C solution) or a second pointer pointing after the last element of the array (the C++ iterator solution):
#include <numeric>
#include <cstddef>
int sum(const int* p, std::size_t n)
{
return std::accumulate(p, p + n, 0);
}
int sum(const int* p, const int* q)
{
return std::accumulate(p, q, 0);
}
As a syntactic alternative, you can also declare parameters as T p[]
, and it means the exact same thing as T* p
in the context of parameter lists only:
int sum(const int p[], std::size_t n)
{
return std::accumulate(p, p + n, 0);
}
You can think of the compiler as rewriting T p[]
to T *p
in the context of parameter lists only. This special rule is partly responsible for the whole confusion about arrays and pointers. In every other context, declaring something as an array or as a pointer makes a huge difference.
Unfortunately, you can also provide a size in an array parameter which is silently ignored by the compiler. That is, the following three signatures are exactly equivalent, as indicated by the compiler errors:
int sum(const int* p, std::size_t n)
// error: redefinition of 'int sum(const int*, size_t)'
int sum(const int p[], std::size_t n)
// error: redefinition of 'int sum(const int*, size_t)'
int sum(const int p[8], std::size_t n) // the 8 has no meaning here
Arrays can also be passed by reference:
int sum(const int (&a)[8])
{
return std::accumulate(a + 0, a + 8, 0);
}
In this case, the array size is significant. Since writing a function that only accepts arrays of exactly 8 elements is of little use, programmers usually write such functions as templates:
template <std::size_t n>
int sum(const int (&a)[n])
{
return std::accumulate(a + 0, a + n, 0);
}
Note that you can only call such a function template with an actual array of integers, not with a pointer to an integer. The size of the array is automatically inferred, and for every size n
, a different function is instantiated from the template. You can also write quite useful function templates that abstract from both the element type and from the size.
You can run these two commands:
# Revert changes to modified files.
git reset --hard
# Remove all untracked files and directories.
# '-f' is force, '-d' is remove directories.
git clean -fd
other.component.ts
So final correct solution is :
import { Component, OnInit } from '@angular/core';
import { Location } from '@angular/common';
import { Router } from '@angular/router';
/* 'router' it must be in small case */
@Component({
selector: 'app-other',
templateUrl: './other.component.html',
styleUrls: ['./other.component.css']
})
export class OtherComponent implements OnInit {
public href: string = "";
url: string = "asdf";
constructor(private router : Router) {} // make variable private so that it would be accessible through out the component
ngOnInit() {
this.href = this.router.url;
console.log(this.router.url);
}
}
You can create a winform project in VS2005/ VS2008 and then change its properties to be a command line application. It can then be started from the command line, but will still open a winform.
How to find out the document width and height very easily?
in HTML
<span id="hidden_placer" style="position:absolute;right:0;bottom:0;visibility:hidden;"></span>
in javascript
var c=document.querySelector('#hidden_placer');
var r=c.getBoundingClientRect();
r.right=document width
r.bottom=document height`
You may update this on every window resize event, if needed.
Starting a Session:
Put below code at the top of file.
<?php session_start();?>
Storing a session variable:
<?php $_SESSION['id']=10; ?>
To Check if data stored in session variable:
<?php if(isset($_SESSION['id']) && !empty(isset($_SESSION['id'])))
echo “Session id “.$_SESSION['id'].” exist”;
else
echo “Session not set “;?>
?> detail here http://skillrow.com/sessions-in-php-4/
;WITH Split_Names (Name, xmlname)
AS
(
SELECT
Name,
CONVERT(XML,'<Names><name>'
+ REPLACE(Name,' ', '</name><name>') + '</name></Names>') AS xmlname
FROM somenames
)
SELECT
xmlname.value('/Names[1]/name[1]','varchar(100)') AS first_name,
xmlname.value('/Names[1]/name[2]','varchar(100)') AS last_name
FROM Split_Names
and also check the link below for reference
http://jahaines.blogspot.in/2009/06/converting-delimited-string-of-values.html
you need the set key and value in foreach loop for that:
foreach($item AS $key -> $value) {
echo $value;
}
this should do the trick :)
class MathsOperations:
def __init__ (self, x, y):
self.a = x
self.b = y
def testAddition (self):
return (self.a + self.b)
def testMultiplication (self):
return (self.a * self.b)
then
temp = MathsOperations()
print(temp.testAddition())
Use a T-SQL IF
:
IF @ABC IS NOT NULL AND @ABC != -1
UPDATE [TABLE_NAME] SET XYZ=@ABC
Take a look at the MSDN docs.
String interpolation is a nice way to pass in a formatted string.
values = ', '.join('$%s' % v for v in value_list)