It appears I cannot use an if statement.
Arrow functions either allow to use an expression or a block as their body. Passing an expression
foo => bar
is equivalent to the following block
foo => { return bar; }
However,
if (person.age > 18) person
is not an expression, if
is a statement. Hence you would have to use a block, if you wanted to use if
in an arrow function:
foo => { if (person.age > 18) return person; }
While that technically solves the problem, this a confusing use of .filter
, because it suggests that you have to return the value that should be contained in the output array. However, the callback passed to .filter
should return a Boolean, i.e. true
or false
, indicating whether the element should be included in the new array or not.
So all you need is
family.filter(person => person.age > 18);
In ES5:
family.filter(function (person) {
return person.age > 18;
});
Your range value is incorrect. You are referencing cell "75" which does not exist. You might want to use the R1C1 notation to use numeric columns easily without needing to convert to letters.
http://www.bettersolutions.com/excel/EED883/YI416010881.htm
Range("R" & DataImportRow & "C" & DataImportColumn).Offset(0, 2).Value = iFirstCustomerSales
This should fix your problem.
not sure if my code is efficeient, anyone care to comment?
from math import isqrt
def isPrime(n):
if n >= 2: # cheating the 2, is 2 even prime?
for i in range(3, int(n / 2 + 1),2): # dont waste time with even numbers
if n % i == 0:
return False
return True
def primesTo(n):
x = [2] if n >= 2 else [] # cheat the only even prime
if n >= 2:
for i in range(3, n + 1,2): # dont waste time with even numbers
if isPrime(i):
x.append(i)
return x
def primes2(n): # trying to do this using set methods and the "Sieve of Eratosthenes"
base = {2} # again cheating the 2
base.update(set(range(3, n + 1, 2))) # build the base of odd numbers
for i in range(3, isqrt(n) + 1, 2): # apply the sieve
base.difference_update(set(range(2 * i, n + 1 , i)))
return list(base)
print(primesTo(10000)) # 2 different methods for comparison
print(primes2(10000))
By typing 'jupyter notebook --NotebookApp.iopub_data_rate_limit=1.0e10'
in Anaconda
PowerShell
or prompt, the Jupyter notebook will open with the new configuration. Try now to run your query.
"Domain" is not a property of an LDAP object. It is more like the name of the database the object is stored in.
So you have to connect to the right database (in LDAP terms: "bind to the domain/directory server") in order to perform a search in that database.
Once you bound successfully, your query in it's current shape is all you need.
BTW: Choosing "ObjectCategory=Person"
over "ObjectClass=user"
was a good decision. In AD, the former is an "indexed property" with excellent performance, the latter is not indexed and a tad slower.
SELECT CONCAT(LOWER(LAST_NAME), UPPER(LAST_NAME)
INITCAP(LAST_NAME), HIRE DATE AS ‘up_low_init_hdate’)
FROM EMPLOYEES
WHERE HIRE DATE = 1995
plt.autoscale()
worked for me.
To remove the .html extension from your urls, you can use the following code in root/htaccess :
RewriteEngine on
RewriteCond %{THE_REQUEST} /([^.]+)\.html [NC]
RewriteRule ^ /%1 [NC,L,R]
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule ^ %{REQUEST_URI}.html [NC,L]
NOTE: If you want to remove any other extension, for example to remove the .php extension, just replace the html everywhere with php in the code above.
I have an application that works similarly to Eran's example, except I attach the click event to the body when I open the menu... Kinda like this:
$('#menucontainer').click(function(event) {
$('html').one('click',function() {
// Hide the menus
});
event.stopPropagation();
});
More information on jQuery's one()
function
(Sorry, can't add comments)
In Blaise's answer above, if you change:
@XmlJavaTypeAdapter(MapAdapter.class)
public Map<String, String> getMapProperty() {
return mapProperty;
}
to:
@XmlJavaTypeAdapter(MapAdapter.class)
@XmlPath(".") // <<-- add this
public Map<String, String> getMapProperty() {
return mapProperty;
}
then this should get rid of the <mapProperty>
tag, and so give you:
<?xml version="1.0" encoding="UTF-8"?>
<root>
<map>
<key>value</key>
<key2>value2</key2>
</map>
</root>
ALTERNATIVELY:
You can also change it to:
@XmlJavaTypeAdapter(MapAdapter.class)
@XmlAnyElement // <<-- add this
public Map<String, String> getMapProperty() {
return mapProperty;
}
and then you can get rid of AdaptedMap
altogether, and just change MapAdapter
to marshall to a Document
object directly. I've only tested this with marshalling, so there may be unmarshalling issues.
I'll try and find the time to knock up a full example of this, and edit this post accordingly.
Aggregation implies a relationship where the child can exist independently of the parent. Example: Class (parent) and Student (child). Delete the Class and the Students still exist.
Composition implies a relationship where the child cannot exist independent of the parent. Example: House (parent) and Room (child). Rooms don't exist separate to a House.
The above two are forms of containment (hence the parent-child relationships).
Dependency is a weaker form of relationship and in code terms indicates that a class uses another by parameter or return type.
Dependency is a form of association.
Please make sure two things:
1- Use @Bean
annotation with the method.
@Bean
public RestTemplate restTemplate(RestTemplateBuilder builder){
return builder.build();
}
2- Scope of this method should be public not private.
Complete Example -
@Service
public class MakeHttpsCallImpl implements MakeHttpsCall {
@Autowired
private RestTemplate restTemplate;
@Override
public String makeHttpsCall() {
return restTemplate.getForObject("https://localhost:8085/onewayssl/v1/test",String.class);
}
@Bean
public RestTemplate restTemplate(RestTemplateBuilder builder){
return builder.build();
}
}
In this way, you can initialize the int array in koltin.
val values: IntArray = intArrayOf(1, 2, 3, 4, 5,6,7)
The subtle difference is that 3NF makes a distinction between key and non-key attributes (also called non-prime attributes) whereas BCNF does not.
This is best explained using Zaniolo's definition of 3NF, which is equivalent to Codd's:
A relation, R, is in 3NF iff for every nontrivial FD (X->A) satisfied by R at least ONE of the following conditions is true:
(a) X is a superkey for R, or
(b) A is a key attribute for R
BCNF requires (a) but doesn't treat (b) as a special case of its own. In other words BCNF requires that every nontrivial determinant is a superkey even its dependent attributes happen to be part of a key.
A relation, R, is in BCNF iff for every nontrivial FD (X->A) satisfied by R the following condition is true:
(a) X is a superkey for R
BCNF is therefore more strict.
The difference is so subtle that what many people informally describe as 3NF is actually BCNF. For example, you stated here that 3NF means "data depends on the key[s]... and nothing but the key[s]", but that is really an informal description of BCNF and not 3NF. 3NF could more accurately be described as "non-key data depends on the keys... and nothing but the keys".
You also stated:
the 3NF quote explicitly says "nothing but the key" meaning that all attributes depend solely on the primary key.
That's an oversimplification. 3NF and BCNF and all the Normal Forms are concerned with all candidate keys and/or superkeys, not just one "primary" key.
I think this is the most clear solution, using an extension method:
public static class HttpRequestMessageExtensions
{
private const string HttpContext = "MS_HttpContext";
private const string RemoteEndpointMessage = "System.ServiceModel.Channels.RemoteEndpointMessageProperty";
public static string GetClientIpAddress(this HttpRequestMessage request)
{
if (request.Properties.ContainsKey(HttpContext))
{
dynamic ctx = request.Properties[HttpContext];
if (ctx != null)
{
return ctx.Request.UserHostAddress;
}
}
if (request.Properties.ContainsKey(RemoteEndpointMessage))
{
dynamic remoteEndpoint = request.Properties[RemoteEndpointMessage];
if (remoteEndpoint != null)
{
return remoteEndpoint.Address;
}
}
return null;
}
}
So just use it like:
var ipAddress = request.GetClientIpAddress();
We use this in our projects.
Source/Reference: Retrieving the client’s IP address in ASP.NET Web API
The VS equivalent of a makefile is a "Solution" (over-simplified, I know).
I've noticed that if you set the theme in the AndroidManifest, it seems to get rid of that short time where you can see the action bar. So, try adding this to your manifest:
<android:theme="@android:style/Theme.NoTitleBar">
Just add it to your application
tag to apply it app-wide.
var json = {"ListID" : "1", "ItemName":"test"};
$.ajax({
url: url,
type: 'POST',
data: username,
cache:false,
beforeSend: function(xhr) {
xhr.setRequestHeader("Accept", "application/json");
xhr.setRequestHeader("Content-Type", "application/json");
},
success:function(response){
console.log("Success")
},
error : function(xhr, status, error) {
console.log("error")
}
);
Updating to use tibble()
You can pass a named vector of length greater than 1 to the by
argument of left_join()
:
library(dplyr)
d1 <- tibble(
x = letters[1:3],
y = LETTERS[1:3],
a = rnorm(3)
)
d2 <- tibble(
x2 = letters[3:1],
y2 = LETTERS[3:1],
b = rnorm(3)
)
left_join(d1, d2, by = c("x" = "x2", "y" = "y2"))
Go to >system preferences >mysql >initialize database
-Change password -Click use legacy password -Click start sql server
it should work now
Make this in your test.ps1, at the first line
param(
[string]$a
)
Write-Host $a
Then you can call it with
./Test.ps1 "Here is your text"
In my case, I had all of the required features, but I had installed the Team Explorer version (accidentally used the wrong installer) before installing Professional.
When running the Team Explorer version, only the Blank Solution option was available.
The Team Explorer EXE was located in: "C:\Program Files (x86)\Microsoft Visual Studio\2017\TeamExplorer\Common7\IDE\devenv.exe"
Once I launched the correct EXE, Visual Studio started working as expected.
The Professional EXE was located in: "C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\devenv.exe"
This solved my issue, and the reason was I had enterprise edition previously installed and then uninstalled and installed the professional edition. Team Explorer was not modified later when I moved to professional from enterprise edition.
I had a similiar problem. All I needed to do was type store.load();
in the delete handler. There was no need to subsequently type grid.getView().refresh();
.
Instead of all this you can also type store.remove(record)
in the delete handler; - this ensures that the deleted record no longer shows on the grid.
It's pretty simple. Pay attention and you'll get it right away! :)
You will create a html array, which will be then sent to php array. Your html code will look like this:
<input type="checkbox" name="check_list[1]" alt="Checkbox" value="checked">
<input type="checkbox" name="check_list[2]" alt="Checkbox" value="checked">
<input type="checkbox" name="check_list[3]" alt="Checkbox" value="checked">
Where [1] [2] [3]
are the ID
s of your messages, meaning that you will echo
your $row['Report ID']
in their place.
Then, when you submit the form, your PHP array will look like this:
print_r($check_list)
[1] => checked
[3] => checked
Depending on which were checked and which were not.
I'm sure you can continue from this point forward.
Pushing and popping registers are behind the scenes equivalent to this:
push reg <= same as => sub $8,%rsp # subtract 8 from rsp
mov reg,(%rsp) # store, using rsp as the address
pop reg <= same as=> mov (%rsp),reg # load, using rsp as the address
add $8,%rsp # add 8 to the rsp
Note this is x86-64 At&t syntax.
Used as a pair, this lets you save a register on the stack and restore it later. There are other uses, too.
The JLS 5, Section 15.18.1.1 JLS 8 § 15.18.1 "String Concatenation Operator +", leading to JLS 8, § 5.1.11 "String Conversion", requires this operation to succeed without failure:
...Now only reference values need to be considered. If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l). Otherwise, the conversion is performed as if by an invocation of the toString method of the referenced object with no arguments; but if the result of invoking the toString method is null, then the string "null" is used instead.
Let's look at the bytecode! The compiler takes your code:
String s = null;
s = s + "hello";
System.out.println(s); // prints "nullhello"
and compiles it into bytecode as if you had instead written this:
String s = null;
s = new StringBuilder(String.valueOf(s)).append("hello").toString();
System.out.println(s); // prints "nullhello"
(You can do so yourself by using javap -c
)
The append methods of StringBuilder
all handle null just fine. In this case because null
is the first argument, String.valueOf()
is invoked instead since StringBuilder does not have a constructor that takes any arbitrary reference type.
If you were to have done s = "hello" + s
instead, the equivalent code would be:
s = new StringBuilder("hello").append(s).toString();
where in this case the append method takes the null and then delegates it to String.valueOf()
.
Note: String concatenation is actually one of the rare places where the compiler gets to decide which optimization(s) to perform. As such, the "exact equivalent" code may differ from compiler to compiler. This optimization is allowed by JLS, Section 15.18.1.2:
To increase the performance of repeated string concatenation, a Java compiler may use the StringBuffer class or a similar technique to reduce the number of intermediate String objects that are created by evaluation of an expression.
The compiler I used to determine the "equivalent code" above was Eclipse's compiler, ecj.
I was getting this same error and searching for it led me here. My fix appeared to be simply to add @Component annotation to the implementation of the abstract service.
In this case, that would look like:
import org.springframework.stereotype.Component;
...
@Component
public class ContactServiceImpl implements ContactService {
display
syntax instead, for clarityThe display
CSS property in fact sets two things at once: the outer display type, and the inner display type. The outer display type affects how the element (which acts as a container) is displayed in its context. The inner display type affects how the children of the element (or the children of the container) are laid out.
If you use the two-value display
syntax, which is only supported in some browsers like Firefox, the difference between the two is much more obvious:
display: block
is equivalent to display: block flow
display: inline
is equivalent to display: inline flow
display: flex
is equivalent to display: block flex
display: inline-flex
is equivalent to display: inline flex
display: grid
is equivalent to display: block grid
display: inline-grid
is equivalent to display: inline grid
block
or inline
:An element with the outer display type of block
will take up the whole width available to it, like <div>
does. An element with the outer display type of inline
will only take up the width that it needs, with wrapping, like <span>
does.
flow
, flex
or grid
:The inner display type flow
is the default inner display type when flex
or grid
is not specified. It is the way of laying out children elements that we are used to in a <p>
for instance. flex
and grid
are new ways of laying out children that each deserve their own post.
The difference between display: flex
and display: inline-flex
is the outer display type, the first's outer display type is block
, and the second's outer display type is inline
. Both of them have the inner display type of flex
.
As Adrian said, the plugins are going to work the same way. There are three basic parts you're going to need:
1: Event handler for 'contextmenu'
event:
$(document).bind("contextmenu", function(event) {
event.preventDefault();
$("<div class='custom-menu'>Custom menu</div>")
.appendTo("body")
.css({top: event.pageY + "px", left: event.pageX + "px"});
});
Here, you could bind the event handler to any selector that you want to show a menu for. I've chosen the entire document.
2: Event handler for 'click'
event (to close the custom menu):
$(document).bind("click", function(event) {
$("div.custom-menu").hide();
});
3: CSS to control the position of the menu:
.custom-menu {
z-index:1000;
position: absolute;
background-color:#C0C0C0;
border: 1px solid black;
padding: 2px;
}
The important thing with the CSS is to include the z-index
and position: absolute
It wouldn't be too tough to wrap all of this in a slick jQuery plugin.
You can see a simple demo here: http://jsfiddle.net/andrewwhitaker/fELma/
In Swift 2.0, the minElement
and maxElement
become methods of SequenceType
protocol, you should call them like:
let a = [1, 2, 3]
print(a.maxElement()) //3
print(a.minElement()) //1
Using maxElement
as a function like maxElement(a)
is unavailable now.
The syntax of Swift is in flux, so I can just confirm this in Xcode version7 beta6.
It may be modified in the future, so I suggest that you'd better check the doc before you use these methods.
Add this 2 lines in your code -
mWebView.setWebChromeClient(new WebChromeClient());
mWebView.setWebViewClient(new WebViewClient());?
This answer might only apply to certain circumstances; If you set a height to your elements, this will be obeyed by the column styling. There-by keeping anything that is contained within that height to a row.
I had a list, like the op, but it contained two elements, items and buttons to act upon those items. I treated it like a table <ul> - table
, <li> - table-row
, <div> - table-cell
put the UL in a 4 column layout. The columns were sometimes being split between the item and it's buttons. The trick I used was to give the Div elements a line height to cover the buttons.
Check this has everything you need
http://www.html5rocks.com/en/mobile/fullscreen/
The Chrome team has recently implemented a feature that tells the browser to launch the page fullscreen when the user has added it to the home screen. It is similar to the iOS Safari model.
<meta name="mobile-web-app-capable" content="yes">
I ended up just downloading my pdf using below code
function downloadPdfDocument(fileName){
var req = new XMLHttpRequest();
req.open("POST", "/pdf/" + fileName, true);
req.responseType = "blob";
fileName += "_" + new Date() + ".pdf";
req.onload = function (event) {
var blob = req.response;
//for IE
if (window.navigator && window.navigator.msSaveOrOpenBlob) {
window.navigator.msSaveOrOpenBlob(blob, fileName);
} else {
var link = document.createElement('a');
link.href = window.URL.createObjectURL(blob);
link.download = fileName;
link.click();
}
};
req.send();
}
In a nutshell, ZooKeeper helps you build distributed applications.
You may describe ZooKeeper as a replicated synchronization service with eventual consistency. It is robust, since the persisted data is distributed between multiple nodes (this set of nodes is called an "ensemble") and one client connects to any of them (i.e., a specific "server"), migrating if one node fails; as long as a strict majority of nodes are working, the ensemble of ZooKeeper nodes is alive. In particular, a master node is dynamically chosen by consensus within the ensemble; if the master node fails, the role of master migrates to another node.
The master is the authority for writes: in this way writes can be guaranteed to be persisted in-order, i.e., writes are linear. Each time a client writes to the ensemble, a majority of nodes persist the information: these nodes include the server for the client, and obviously the master. This means that each write makes the server up-to-date with the master. It also means, however, that you cannot have concurrent writes.
The guarantee of linear writes is the reason for the fact that ZooKeeper does not perform well for write-dominant workloads. In particular, it should not be used for interchange of large data, such as media. As long as your communication involves shared data, ZooKeeper helps you. When data could be written concurrently, ZooKeeper actually gets in the way, because it imposes a strict ordering of operations even if not strictly necessary from the perspective of the writers. Its ideal use is for coordination, where messages are exchanged between the clients.
This is where ZooKeeper excels: reads are concurrent since they are served by the specific server that the client connects to. However, this is also the reason for the eventual consistency: the "view" of a client may be outdated, since the master updates the corresponding server with a bounded but undefined delay.
The replicated database of ZooKeeper comprises a tree of znodes, which are entities roughly representing file system nodes (think of them as directories). Each znode may be enriched by a byte array, which stores data. Also, each znode may have other znodes under it, practically forming an internal directory system.
Interestingly, the name of a znode can be sequential, meaning that the name the client provides when creating the znode is only a prefix: the full name is also given by a sequential number chosen by the ensemble. This is useful, for example, for synchronization purposes: if multiple clients want to get a lock on a resource, they can each concurrently create a sequential znode on a location: whoever gets the lowest number is entitled to the lock.
Also, a znode may be ephemeral: this means that it is destroyed as soon as the client that created it disconnects. This is mainly useful in order to know when a client fails, which may be relevant when the client itself has responsibilities that should be taken by a new client. Taking the example of the lock, as soon as the client having the lock disconnects, the other clients can check whether they are entitled to the lock.
The example related to client disconnection may be problematic if we needed to periodically poll the state of znodes. Fortunately, ZooKeeper offers an event system where a watch can be set on a znode. These watches may be set to trigger an event if the znode is specifically changed or removed or new children are created under it. This is clearly useful in combination with the sequential and ephemeral options for znodes.
A canonical example of Zookeeper usage is distributed-memory computation, where some data is shared between client nodes and must be accessed/updated in a very careful way to account for synchronization.
ZooKeeper offers the library to construct your synchronization primitives, while the ability to run a distributed server avoids the single-point-of-failure issue you have when using a centralized (broker-like) message repository.
ZooKeeper is feature-light, meaning that mechanisms such as leader election, locks, barriers, etc. are not already present, but can be written above the ZooKeeper primitives. If the C/Java API is too unwieldy for your purposes, you should rely on libraries built on ZooKeeper such as cages and especially curator.
Official documentation apart, which is pretty good, I suggest to read Chapter 14 of Hadoop: The Definitive Guide which has ~35 pages explaining essentially what ZooKeeper does, followed by an example of a configuration service.
The accepted answer didn't work for me when the ref was packed. This does however:
$ git remote add public http://anything.com/bogus.git
$ git remote rm public
>>> import this
The Zen of Python, by Tim Peters
Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Flat is better than nested.
Sparse is better than dense.
Readability counts.
Special cases aren't special enough to break the rules.
Although practicality beats purity.
Errors should never pass silently.
Unless explicitly silenced.
In the face of ambiguity, refuse the temptation to guess.
There should be one-- and preferably only one --obvious way to do it.
Although that way may not be obvious at first unless you're Dutch.
Now is better than never.
Although never is often better than right now.
If the implementation is hard to explain, it's a bad idea.
If the implementation is easy to explain, it may be a good idea.
Namespaces are one honking great idea -- let's do more of those!
So, here is my opinion. Whenever you find an error, you should do something to handle it, i.e. write it in logfile or something else. At least, it informs you that there used to be a error.
The question is 'What is the simplest SOAP example using Javascript?'
This answer is of an example in the Node.js environment, rather than a browser. (Let's name the script soap-node.js) And we will use the public SOAP web service from Europe PMC as an example to get the reference list of an article.
const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
const DOMParser = require('xmldom').DOMParser;
function parseXml(text) {
let parser = new DOMParser();
let xmlDoc = parser.parseFromString(text, "text/xml");
Array.from(xmlDoc.getElementsByTagName("reference")).forEach(function (item) {
console.log('Title: ', item.childNodes[3].childNodes[0].nodeValue);
});
}
function soapRequest(url, payload) {
let xmlhttp = new XMLHttpRequest();
xmlhttp.open('POST', url, true);
// build SOAP request
xmlhttp.onreadystatechange = function () {
if (xmlhttp.readyState == 4) {
if (xmlhttp.status == 200) {
parseXml(xmlhttp.responseText);
}
}
}
// Send the POST request
xmlhttp.setRequestHeader('Content-Type', 'text/xml');
xmlhttp.send(payload);
}
soapRequest('https://www.ebi.ac.uk/europepmc/webservices/soap',
`<?xml version="1.0" encoding="UTF-8"?>
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
<S:Header />
<S:Body>
<ns4:getReferences xmlns:ns4="http://webservice.cdb.ebi.ac.uk/"
xmlns:ns2="http://www.scholix.org"
xmlns:ns3="https://www.europepmc.org/data">
<id>C7886</id>
<source>CTX</source>
<offSet>0</offSet>
<pageSize>25</pageSize>
<email>[email protected]</email>
</ns4:getReferences>
</S:Body>
</S:Envelope>`);
Before running the code, you need to install two packages:
npm install xmlhttprequest
npm install xmldom
Now you can run the code:
node soap-node.js
And you'll see the output as below:
Title: Perspective: Sustaining the big-data ecosystem.
Title: Making proteomics data accessible and reusable: current state of proteomics databases and repositories.
Title: ProteomeXchange provides globally coordinated proteomics data submission and dissemination.
Title: Toward effective software solutions for big biology.
Title: The NIH Big Data to Knowledge (BD2K) initiative.
Title: Database resources of the National Center for Biotechnology Information.
Title: Europe PMC: a full-text literature database for the life sciences and platform for innovation.
Title: Bio-ontologies-fast and furious.
Title: BioPortal: ontologies and integrated data resources at the click of a mouse.
Title: PubMed related articles: a probabilistic topic-based model for content similarity.
Title: High-Impact Articles-Citations, Downloads, and Altmetric Score.
Go offline
USE master
GO
ALTER DATABASE YourDatabaseName
SET OFFLINE WITH ROLLBACK IMMEDIATE
GO
Go online
USE master
GO
ALTER DATABASE YourDatabaseName
SET ONLINE
GO
For PHPStorm 2020.3.2 on ubuntu inorder to reset expiration license, you should run following commands:
sudo rm ~/.config/JetBrains/PhpStorm2020.3/options/other.xml
sudo rm ~/.config/JetBrains/PhpStorm2020.3/eval/*
sudo rm -rf .java/.userPrefs
There is no difference, except that Pragma
is only defined as applicable to the requests by the client, whereas Cache-Control
may be used by both the requests of the clients and the replies of the servers.
So, as far as standards go, they can only be compared from the perspective of the client making a requests and the server receiving a request from the client. The http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.32 defines the scenario as follows:
HTTP/1.1 caches SHOULD treat "Pragma: no-cache" as if the client had sent "Cache-Control: no-cache". No new Pragma directives will be defined in HTTP.
Note: because the meaning of "Pragma: no-cache as a response header field is not actually specified, it does not provide a reliable replacement for "Cache-Control: no-cache" in a response
The way I would read the above:
if you're writing a client and need no-cache
:
Pragma: no-cache
in your requests, since you may not know if Cache-Control
is supported by the server;Cache-Control
if you're writing a server:
Cache-Control
; if not found, check for Pragma: no-cache
, and execute the Cache-Control: no-cache
logic;Cache-Control
.Of course, reality might be different from what's written or implied in the RFC!
So far, nobody has answered the actual question.
Someone can figure what is happening ?
The problem here is that while the value of your $JAVA_HOME
is correct, you defined it in the wrong place.
~/.bash_profile
file. Thus, when you enter echo $JAVA_HOME
, it will return the value that has been set there.~/.bash_profile
… why should it? So to IntelliJ, this variable is not set.There are two possible solutions to this:
"/Applications/IntelliJ IDEA.app/Contents/MacOS/idea"
. The idea
process will inherit any environment variables of Bash that have been export
ed. (Since you did export JAVA_HOME=…
, it works!), or, the sophisticated way:Set global environment variables that apply to all programs, not only Bash sessions. This is more complicated than you might think, and is explained here and here, for example. What you should do is run
/bin/launchctl setenv JAVA_HOME $(/usr/libexec/java_home)
However, this gets reset after a reboot. To make sure this gets run on every boot, execute
cat << EOF > ~/Library/LaunchAgents/setenv.JAVA_HOME.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>setenv.JAVA_HOME</string>
<key>ProgramArguments</key>
<array>
<string>/bin/launchctl</string>
<string>setenv</string>
<string>JAVA_HOME</string>
<string>$(/usr/libexec/java_home)</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>ServiceIPC</key>
<false/>
</dict>
</plist>
EOF
Note that this also affects the Terminal process, so there is no need to put anything in your ~/.bash_profile
.
In Kotlin
private fun removeLastChar(str: String?): String? {
return if (str == null || str.isEmpty()) str else str.substring(0, str.length - 1)
}
This is the code to subtract one date from another. This example converts the dates to objects as the getTime() function won't work unless it's an Date object.
var dat1 = document.getElementById('inputDate').value;
var date1 = new Date(dat1)//converts string to date object
alert(date1);
var dat2 = document.getElementById('inputFinishDate').value;
var date2 = new Date(dat2)
alert(date2);
var oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
var diffDays = Math.abs((date1.getTime() - date2.getTime()) / (oneDay));
alert(diffDays);
android:ems
or setEms(n)
sets the width of a TextView to fit a text of n 'M' letters regardless of the actual text extension and text size. See wikipedia Em unit
but only when the layout_width
is set to "wrap_content"
. Other layout_width
values override the ems width setting.
Adding an android:textSize
attribute determines the physical width of the view to the textSize * length of a text of n 'M's set above.
Create your list before your loop, else it will be created at each loop.
>>> list1 = []
>>> for i in range(10) :
... list1.append( range(i,10) )
...
>>> list1
[[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [1, 2, 3, 4, 5, 6, 7, 8, 9], [2, 3, 4, 5, 6, 7, 8, 9], [3, 4, 5, 6, 7, 8, 9], [4, 5, 6, 7, 8, 9], [5, 6, 7, 8, 9], [6, 7, 8, 9], [7, 8, 9], [8, 9], [9]]
1. The SQL Joins clause is used to combine records from two or more tables in a database. A JOIN is a means for combining fields from two tables by using values common to each.
2. The SQL UNION operator combines the result of two or more SELECT statements. Each SELECT statement within the UNION must have the same number of columns. The columns must also have similar data types. Also, the columns in each SELECT statement must be in the same order.
for example: table 1 customers/table 2 orders
inner join:
SELECT ID, NAME, AMOUNT, DATE
FROM CUSTOMERS?
INNER JOIN ORDERS?
ON CUSTOMERS.ID = ORDERS.CUSTOMER_ID;
union:
SELECT ID, NAME, AMOUNT, DATE
?FROM CUSTOMERS?
LEFT JOIN ORDERS?
ON CUSTOMERS.ID = ORDERS.CUSTOMER_ID
UNION
SELECT ID, NAME, AMOUNT, DATE ? FROM CUSTOMERS?
RIGHT JOIN ORDERS?
ON CUSTOMERS.ID = ORDERS.CUSTOMER_ID;
I am assuming you mean using XSD files. Surprisingly there aren't many python XML libraries that support this. lxml does however. Check Validation with lxml. The page also lists how to use lxml to validate with other schema types.
You will have to annotate your service with @Service
since you have said I am using annotations for mapping
If you don't mind using CMake, there is also tensorflow_cc project that builds and installs TF C++ API for you, along with convenient CMake targets you can link against. The project README contains an example and Dockerfiles you can easily follow.
Just add this to your global CSS style:
a { cursor: pointer; }
This way you're not dependent on the browser default cursor style anymore.
You push your local repository to the remote repository using the git push
command after first establishing a relationship between the two with the git remote add [alias] [url]
command. If you visit your Github repository, it will show you the URL to use for pushing. You'll first enter something like:
git remote add origin [email protected]:username/reponame.git
Unless you started by running git clone
against the remote repository, in which case this step has been done for you already.
And after that, you'll type:
git push origin master
After your first push, you can simply type:
git push
when you want to update the remote repository in the future.
Note: If your app targets API level 26 or higher, the system imposes restrictions on using or creating background services unless the app itself is in the foreground.
If an app needs to create a foreground service, the app should call startForegroundService()
. That method creates a background service, but the method signals to the system that the service will promote itself to the foreground.
Once the service has been created, the service must call its startForeground() method within five seconds.
Use:
git log --graph --abbrev-commit --decorate --first-parent <branch_name>
It is only for the target branch (of course --graph, --abbrev-commit --decorate are more polishing).
The key option is --first-parent
: "Follow only the first parent commit upon seeing a merge commit" (https://git-scm.com/docs/git-log)
It prevents the commit forks from being displayed.
Just want to add to Ben's answer on drop_duplicates:
keep
: {‘first’, ‘last’, False}, default ‘first’
first : Drop duplicates except for the first occurrence.
last : Drop duplicates except for the last occurrence.
False : Drop all duplicates.
So setting keep
to False will give you desired answer.
DataFrame.drop_duplicates(*args, **kwargs) Return DataFrame with duplicate rows removed, optionally only considering certain columns
Parameters: subset : column label or sequence of labels, optional Only consider certain columns for identifying duplicates, by default use all of the columns keep : {‘first’, ‘last’, False}, default ‘first’ first : Drop duplicates except for the first occurrence. last : Drop duplicates except for the last occurrence. False : Drop all duplicates. take_last : deprecated inplace : boolean, default False Whether to drop duplicates in place or to return a copy cols : kwargs only argument of subset [deprecated] Returns: deduplicated : DataFrame
Note that solutions with timedelta.total_seconds()
work on python-2.7+.
Use calendar.timegm(future.utctimetuple())
for lower versions of Python.
1. Include the Open Graph XML namespace extension to your HTML declaration
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:fb="http://ogp.me/ns/fb#">
2. Inside your <head></head>
use the following meta tag to define the image you want to use
<meta property="og:image" content="fully_qualified_image_url_here" />
Read more about open graph protocol here.
After doing the above, use the Facebook "Object Debugger" if the image does not show up correctly. Also note the first time shared it still won't show up unless height and width are also specified, see Share on Facebook - Thumbnail not showing for the first time
Solved using JavaScript + jQuery! I just need similar solution to my project but current solution with HTML and CSS is not ok for me because there is issue with column height + I need more then one column to be fixed. So I create simple javascript solution using jQuery
You can try it here https://jsfiddle.net/kindrosker/ffwqvntj/
All you need is setup home many columsn will be fixed in data-count-fixed-columns parameter
<table class="table" data-count-fixed-columns="2" cellpadding="0" cellspacing="0">
and run js function
app_handle_listing_horisontal_scroll($('#table-listing'))
A Python 2+3 compatible solution is:
import sys
if sys.version_info[0] >= 3:
from urllib.request import urlretrieve
else:
# Not Python 3 - today, it is most likely to be Python 2
# But note that this might need an update when Python 4
# might be around one day
from urllib import urlretrieve
# Get file from URL like this:
urlretrieve("http://www-scf.usc.edu/~chiso/oldspice/m-b1-hello.mp3")
If you need locale-aware number formatting, use QLocale::toString instead.
I found a way that works if I use JavaScript combined with TypeScript.
logging.d.ts:
declare var log: log4javascript.Logger;
log-declaration.js:
log = null;
initalize-app.ts
import './log-declaration.js';
// Call stuff to actually setup log.
// Similar to this:
log = functionToSetupLog();
This puts it in the global scope and TypeScript knows about it. So I can use it in all my files.
NOTE: I think this only works because I have the allowJs
TypeScript option set to true.
If someone posts an pure TypeScript solution, I will accept that.
Setting android:noHistory="true"
on the activity in your manifest will remove an activity from the stack whenever it is navigated away from. see here
In Swift 5.0 and Xcode 10.2
//UIButton extension
extension UIButton {
//UIButton properties
func btnMultipleLines() {
titleLabel?.numberOfLines = 0
titleLabel?.lineBreakMode = .byWordWrapping
titleLabel?.textAlignment = .center
}
}
In your ViewController call like this
button.btnMultipleLines()//This is your button
You can use the following approach:
SimpleDateFormat formater=new SimpleDateFormat("yyyy-MM-dd");
long d1=formater.parse("2001-1-1").getTime();
long d2=formater.parse("2001-1-2").getTime();
System.out.println(Math.abs((d1-d2)/(1000*60*60*24)));
value="<?php echo htmlspecialchars($name); ?>"
In Ef .net core there are two options that you can do; first with data annotations:
public class Blog
{
public int BlogId { get; set; }
[Required]
public string Url { get; set; }
}
Or with fluent api:
class MyContext : DbContext
{
public DbSet<Blog> Blogs { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Entity<Blog>()
.Property(b => b.Url)
.IsRequired(false)//optinal case
.IsRequired()//required case
;
}
}
public class Blog
{
public int BlogId { get; set; }
public string Url { get; set; }
}
There are more details here
You can get your result by simply use substr():
Syntax substr(string,start,length)
Example
<?php
$myStr = "HelloWordl";
echo substr($myStr,0,5);
?>
Output :
Hello
I just ran into this error and it took days to resolve. We were thrown for a loop by the red-herring error message mentioned in the initial question, plus the Windows Event Viewer error log indicated something similar:
Login failed for user '(domain\name-PC)$'. Reason: Could not find a login matching the name provided. [CLIENT: <local machine>]
Neither of these was true, the user had all the necessary permissions in SQL Server.
In our case, the solution was to switch the Application Pool Identity in IIS to NetworkService
.
To fetch only one distinct record from duplicate column of two rows you can use "rowid" column which is maintained by oracle itself as Primary key,so first try
"select rowid,RequestID,CreatedDate,HistoryStatus from temptable;"
and then you can fetch second row only by it's value of 'rowid' column by using in SELECT statement.
For people who are still getting error despite of passing absolute path, should check that if file has a valid name. For me I was trying to create a file with '/' in the file name. As soon as I removed '/', I was able to create the file.
def datetime_to_epoch(d1):
# create 1,1,1970 in same timezone as d1
d2 = datetime(1970, 1, 1, tzinfo=d1.tzinfo)
time_delta = d1 - d2
ts = int(time_delta.total_seconds())
return ts
def epoch_to_datetime_string(ts, tz_name="UTC"):
x_timezone = timezone(tz_name)
d1 = datetime.fromtimestamp(ts, x_timezone)
x = d1.strftime("%d %B %Y %H:%M:%S")
return x
This happened to me recently when I close one Android Studio project and imported another Eclipse project. It seemed to be some bug in Android Studio where it preserves some gradle settings from previously open project and then get confused in the new project.
The solution was extremely simple: Close the project and shut down Android Studio completely, before re-opening it and then import/open the new project. Everything goes smoothly from then on.
There's sooo many ways to continue a line in powershell, with pipes, brackets, parentheses, operators, dots, even with a comma. Here's a blog about it: https://get-powershellblog.blogspot.com/2017/07/bye-bye-backtick-natural-line.html
You can continue right after statements like foreach and if as well.
Here is what I disclosed regarding the question in Linux kernel code:
/**
* skip_spaces - Removes leading whitespace from @s.
* @s: The string to be stripped.
*
* Returns a pointer to the first non-whitespace character in @s.
*/
char *skip_spaces(const char *str)
{
while (isspace(*str))
++str;
return (char *)str;
}
/**
* strim - Removes leading and trailing whitespace from @s.
* @s: The string to be stripped.
*
* Note that the first trailing whitespace is replaced with a %NUL-terminator
* in the given string @s. Returns a pointer to the first non-whitespace
* character in @s.
*/
char *strim(char *s)
{
size_t size;
char *end;
size = strlen(s);
if (!size)
return s;
end = s + size - 1;
while (end >= s && isspace(*end))
end--;
*(end + 1) = '\0';
return skip_spaces(s);
}
It is supposed to be bug free due to the origin ;-)
Mine one piece is closer to KISS principle I guess:
/**
* trim spaces
**/
char * trim_inplace(char * s, int len)
{
// trim leading
while (len && isspace(s[0]))
{
s++; len--;
}
// trim trailing
while (len && isspace(s[len - 1]))
{
s[len - 1] = 0; len--;
}
return s;
}
in swift 3 'CGRectGetWidth' has been replaced by property 'CGRect.width'
view.layer.cornerRadius = view.frame.width/4.0
view.clipsToBounds = true
As Matt Ball's answer explains, or
is "and/or". But or
doesn't work with in
the way you use it above. You have to say if "a" in someList or "á" in someList or...
. Or better yet,
if any(c in someList for c in ("a", "á", "à", "ã", "â")):
...
That's the answer to your question as asked.
However, there are a few more things to say about the example code you've posted. First, the chain of someList.remove... or someList remove...
statements here is unnecessary, and may result in unexpected behavior. It's also hard to read! Better to break it into individual lines:
someList.remove("a")
someList.remove("á")
...
Even that's not enough, however. As you observed, if the item isn't in the list, then an error is thrown. On top of that, using remove
is very slow, because every time you call it, Python has to look at every item in the list. So if you want to remove 10 different characters, and you have a list that has 100 characters, you have to perform 1000 tests.
Instead, I would suggest a very different approach. Filter the list using a set
, like so:
chars_to_remove = set(("a", "á", "à", "ã", "â"))
someList = [c for c in someList if c not in chars_to_remove]
Or, change the list in-place without creating a copy:
someList[:] = (c for c in someList if c not in chars_to_remove)
These both use list comprehension syntax to create a new list. They look at every character in someList
, check to see of the character is in chars_to_remove
, and if it is not, they include the character in the new list.
This is the most efficient version of this code. It has two speed advantages:
someList
once. Instead of performing 1000 tests, in the above scenario, it performs only 100. chars_to_remove
is a set
. If it chars_to_remove
were a list
or tuple
, then each test would really be 10 tests in the above scenario -- because each character in the list would need to be checked individually.There is 2 good answers to slugfy your data, use it https://stackoverflow.com/a/3987966/971619 or it https://stackoverflow.com/a/7610586/971619
What parsers and lexers have in common:
*
, ==
, <=
, ^
will be classified as "operator" token by the C/C++ lexer.[number][operator][number]
, [id][operator][id]
, [id][operator][number][operator][number]
will be classified as "expression" nonterminal by the C/C++ parser.[TXT][TAG][TAG][TXT][TAG][TXT]...
.As you can see, parsers and tokenizers have much in common. One parser can be a tokenizer for other parser, which reads its input tokens as symbols from its own alphabet (tokens are simply symbols of some alphabet) in the same way as sentences from one language can be alphabetic symbols of some other, higher-level language. For example, if *
and -
are the symbols of the alphabet M
(as "Morse code symbols"), then you can build a parser which recognizes strings of these dots and lines as letters encoded in the Morse code. The sentences in the language "Morse Code" could be tokens for some other parser, for which these tokens are atomic symbols of its language (e.g. "English Words" language). And these "English Words" could be tokens (symbols of the alphabet) for some higher-level parser which understands "English Sentences" language. And all these languages differ only in the complexity of the grammar. Nothing more.
So what's all about these "Chomsky's grammar levels"? Well, Noam Chomsky classified grammars into four levels depending on their complexity:
a
,b
), their concatenations (ab
,aba
,bbb
etd.), or alternatives (e.g. a|b
).(()()(()()))
, nested HTML/BBcode tags, nested blocks etc. It's because state automata to deal with it should have to have infinitely many states to handle infinitely many nesting levels.x+3
and in one context this x
could be a name of a variable, and in other context it could be a name of a function etc.I do some similar things See suitable for you or not
View Press Effect Helper:
usage : do some simple press effect like iOS
Simple Usage:
ImageView img = (ImageView) findViewById(R.id.img);
require 'time'
require 'date'
t = Time.now
d = DateTime.now
dd = DateTime.parse(t.to_s)
tt = Time.parse(d.to_s)
./gradlew clean
Uses your project's gradle wrapper to execute your project's clean
task. Usually, this just means the deletion of the build directory.
./gradlew clean assembleDebug
Again, uses your project's gradle wrapper to execute the clean
and assembleDebug
tasks, respectively. So, it will clean first, then execute assembleDebug
, after any non-up-to-date dependent tasks.
./gradlew clean :assembleDebug
Is essentially the same as #2. The colon represents the task path. Task paths are essential in gradle multi-project's, not so much in this context. It means run the root project's assembleDebug task. Here, the root project is the only project.
Android Studio --> Build --> Clean
Is essentially the same as ./gradlew clean
. See here.
For more info, I suggest taking the time to read through the Android docs, especially this one.
For My Mac OS mountain Lion device :
Works perfect !
Try promise-abortable: https://www.npmjs.com/package/promise-abortable
$ npm install promise-abortable
import AbortablePromise from "promise-abortable";
const timeout = new AbortablePromise((resolve, reject, signal) => {
setTimeout(reject, timeToLive, error);
signal.onabort = resolve;
});
Promise.resolve(fn()).then(() => {
timeout.abort();
});
You can do the same thing which i did for dictionary.
Create a list and empty dictionary:
dictionary_items = {}
fields = [['Name', 'Himanshu Kanojiya'], ['email id', '[email protected]']]
l = fields[0][0]
m = fields[0][1]
n = fields[1][0]
q = fields[1][1]
dictionary_items[l] = m
dictionary_items[n] = q
print dictionary_items
Tried and tested approach.
public static ArrayList<String> listToArrayList(List<Object> myList) {
ArrayList<String> arl = new ArrayList<String>();
for (Object object : myList) {
arl.add((String) object);
}
return arl;
}
It's working to me.
I use Asp.net core 2.2
(this way supported in asp.net core 2.1
and upper version).
add Kestrel
section in appsettings.json
file.
like this:
{
"Kestrel": {
"EndPoints": {
"Http": {
"Url": "http://localhost:4300"
}
}
},
"Logging": {
"LogLevel": {
"Default": "Warning"
}
},
"AllowedHosts": "*"
}
and in Startup.cs
:
public Startup(IConfiguration configuration, IHostingEnvironment env)
{
var builder = new ConfigurationBuilder()
.SetBasePath(env.ContentRootPath)
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddEnvironmentVariables();
Configuration = builder.Build();
}
You need to iterate through all the enum values in Animal and return the value that matches the description you need.
If you need a weak reference to the cell value:
object field = d.Rows[0][3]
or
object field = d.Rows[0].ItemArray[3]
Should do it
If you need a strongly typed reference (string in your case) you can use the DataRowExtensions.Field extension method:
string field = d.Rows[0].Field<string>(3);
(make sure System.Data is in listed in the namespaces in this case)
Indexes are 0 based so we first access the first row (0) and then the 4th column in this row (3)
The problem is because of post back happens on submit button click. So while posting data on submit click again write before returning View()
ViewData["Submarkets"] = new SelectList(submarketRep.AllOrdered(), "id", "name");
Hooking .remove()
is not the best way to handle this as there are many ways to remove elements from the page (e.g. by using .html()
, .replace()
, etc).
In order to prevent various memory leak hazards, internally jQuery will try to call the function jQuery.cleanData()
for each removed element regardless of the method used to remove it.
See this answer for more details: javascript memory leaks
So, for best results, you should hook the cleanData
function, which is exactly what the jquery.event.destroyed plugin does:
http://v3.javascriptmvc.com/jquery/dist/jquery.event.destroyed.js
View.GONE makes the view invisible without the view taking up space in the layout. View.INVISIBLE makes the view just invisible still taking up space.
You are first using GONE and then INVISIBLE on the same view.Since, the code is executed sequentially, first the view becomes GONE then it is overridden by the INVISIBLE type still taking up space.
You should add button listener on the button and inside the onClick() method make the views visible. This should be the logic according to me in your onCreate() method.
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setting);
final DatePicker dp2 = (DatePicker) findViewById(R.id.datePick2);
final Button btn2 = (Button) findViewById(R.id.btnDate2);
final Button btn3 = (Button) findViewById(R.id.btnVisibility);
dp2.setVisibility(View.INVISIBLE);
btn2.setVisibility(View.INVISIBLE);
bt3.setOnClickListener(new View.OnCLickListener(){
@Override
public void onClick(View view)
{
dp2.setVisibility(View.VISIBLE);
bt2.setVisibility(View.VISIBLE);
}
});
}
I think this should work easily. Hope this helps.
You can also simply surround the chart with container (according to official doc http://www.chartjs.org/docs/latest/general/responsive.html#important-note)
<div class="chart-container">
<canvas id="myCanvas"></canvas>
</div>
CSS
.chart-container {
width: 1000px;
height:600px
}
and with options
responsive:true
maintainAspectRatio: false
don't they both keep a value for another request?
Yes they do, but when the first one is void
, the second one returns and object
:
public void Keep(string key)
{
_retainedKeys.Add(key); // just adds the key to the collection for retention
}
public object Peek(string key)
{
object value;
_data.TryGetValue(key, out value);
return value; // returns an object without marking it for deletion
}
As of Ansible 2.8, you can just use:
{{ p.User['first_name'] }}
See https://docs.ansible.com/ansible/latest/porting_guides/porting_guide_2.8.html#jinja-undefined-values
There 3 functions you want to look at here:
I ran a sample in Excel with your OPS values in Column B and Players in Column C, see below:
=LARGE($B$2:$B$11, A13)
=INDEX($C$2:$C$11,MATCH(B13,$B$2:$B$11,0))
Works with \n
but if the script is into a java tag you must write \\\n
<script type="text/javascript">alert('text\ntext');</script>
or
<h:commandButton action="#{XXXXXXX.xxxxxxxxxx}" value="XXXXXXXX"
onclick="alert('text\\\ntext');" />
to clarify a bit on dragon's answer (since it took me a while to figure out what to do with Handler.Callback
):
Handler
can be used to execute callbacks in the current or another thread, by passing it Message
s. the Message
holds data to be used from the callback. a Handler.Callback
can be passed to the constructor of Handler
in order to avoid extending Handler directly. thus, to execute some code via callback from the current thread:
Message message = new Message();
<set data to be passed to callback - eg message.obj, message.arg1 etc - here>
Callback callback = new Callback() {
public boolean handleMessage(Message msg) {
<code to be executed during callback>
}
};
Handler handler = new Handler(callback);
handler.sendMessage(message);
EDIT: just realized there's a better way to get the same result (minus control of exactly when to execute the callback):
post(new Runnable() {
@Override
public void run() {
<code to be executed during callback>
}
});
At the moment there are three realy powerfull cmd.exe alternatives:
cmder is an enhancement off ConEmu and Clink
All have features like Copy & Paste, Window Resize per Mouse, Splitscreen, Tabs and a lot of other usefull features.
Like others have said before, you could use binary serialization, but it may produce an extra bytes or be deserialized into an objects with not exactly same data. Using reflection on the other hand is quite complicated and very slow. There is an another solution that can strictly convert your objects to bytes and vise-versa - marshalling:
var size = Marshal.SizeOf(your_object);
// Both managed and unmanaged buffers required.
var bytes = new byte[size];
var ptr = Marshal.AllocHGlobal(size);
// Copy object byte-to-byte to unmanaged memory.
Marshal.StructureToPtr(your_object, ptr, false);
// Copy data from unmanaged memory to managed buffer.
Marshal.Copy(ptr, bytes, 0, size);
// Release unmanaged memory.
Marshal.FreeHGlobal(ptr);
And to convert bytes to object:
var bytes = new byte[size];
var ptr = Marshal.AllocHGlobal(size);
Marshal.Copy(bytes, 0, ptr, size);
var your_object = (YourType)Marshal.PtrToStructure(ptr, typeof(YourType));
Marshal.FreeHGlobal(ptr);
It's noticeably slower and partly unsafe to use this approach for small objects and structs comparing to your own serialization field by field (because of double copying from/to unmanaged memory), but it's easiest way to strictly convert object to byte[] without implementing serialization and without [Serializable] attribute.
execute following command from your terminal
sudo pip install --allow-external mysql-connector-python mysql-connector-python
I wrote a little 2,2kb library of saving image in localStorage JQueryImageCaching Usage:
<img data-src="path/to/image">
<script>
$('img').imageCaching();
</script>
Ternary ? operator alternatives | golang if else one line You can’t write a short one-line conditional in Go language ; there is no ternary conditional operator. Read more about if..else of Golang
From c++20:
A non-member function introduced std::erase
, which takes the vector and value to be removed as inputs.
ex:
std::vector<int> v = {90,80,70,60,50};
std::erase(v,50);
Scripting languages are programming languages that don't require an explicit compilation step.
For example, in the normal case, you have to compile a C program before you can run it. But in the normal case, you don't have to compile a JavaScript program before you run it. So JavaScript is sometimes called a "scripting" language.
This line is getting more and more blurry since compilation can be so fast with modern hardware and modern compilation techniques. For instance, V8, the JavaScript engine in Google Chrome and used a lot outside of the browser as well, actually compiles the JavaScript code on the fly into machine code, rather than interpreting it. (In fact, V8's an optimizing two-phase compiler.)
Also note that whether a language is a "scripting" language or not can be more about the environment than the language. There's no reason you can't write a C interpreter and use it as a scripting language (and people have). There's also no reason you can't compile JavaScript to machine code and store that in an executable file (and people have). The language Ruby is a good example of this: The original implementation was entirely interpreted (a "scripting" language), but there are now multiple compilers for it.
Some examples of "scripting" languages (e.g., languages that are traditionally used without an explicit compilation step):
And a small smattering of ones traditionally used with an explicit compilation step:
...and then you have things like Python that sit in both camps: Python is widely used without a compilation step, but the main implementation (CPython) does that by compiling to bytecode on-the-fly and then running the bytecode in a VM, and it can write that bytecode out to files (.pyc
, .pyo
) for use without recompiling.
That's just a very few, if you do some research you can find a lot more.
In addition to setting the registry entry for AuthServerWhitelist you should also set AuthSchemes: "ntlm,negotiate" (or just "ntlm" as appropriate for your situation). Using the above templates the policy for that will be "Supported authentication schemes"
Sure, use the .format method. E.g.,
print('{:10s} {:3d} {:7.2f}'.format('xxx', 123, 98))
print('{:10s} {:3d} {:7.2f}'.format('yyyy', 3, 1.0))
print('{:10s} {:3d} {:7.2f}'.format('zz', 42, 123.34))
will print
xxx 123 98.00
yyyy 3 1.00
zz 42 123.34
You can adjust the field sizes as desired. Note that .format
works independently of print
to format a string. I just used print to display the strings. Brief explanation:
10s
format a string with 10 spaces, left justified by default
3d
format an integer reserving 3 spaces, right justified by default
7.2f
format a float, reserving 7 spaces, 2 after the decimal point, right justfied by default.
There are many additional options to position/format strings (padding, left/right justify etc), String Formatting Operations will provide more information.
Update for f-string mode. E.g.,
text, number, other_number = 'xxx', 123, 98
print(f'{text:10} {number:3d} {other_number:7.2f}')
For right alignment
print(f'{text:>10} {number:3d} {other_number:7.2f}')
You can use the Console.SetCursorPosition
function to go to a specific line number.
Than you can use this function to clear the line
public static void ClearCurrentConsoleLine()
{
int currentLineCursor = Console.CursorTop;
Console.SetCursorPosition(0, Console.CursorTop);
Console.Write(new string(' ', Console.WindowWidth));
Console.SetCursorPosition(0, currentLineCursor);
}
Console.WriteLine("Test");
Console.SetCursorPosition(0, Console.CursorTop - 1);
ClearCurrentConsoleLine();
Objective C
Post API with parameters and validate with url to navigate if json
response key with status:"success"
NSString *string= [NSString stringWithFormat:@"url?uname=%@&pass=%@&uname_submit=Login",self.txtUsername.text,self.txtPassword.text];
NSLog(@"%@",string);
NSURL *url = [NSURL URLWithString:string];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
[request setHTTPMethod:@"POST"];
NSURLResponse *response;
NSError *err;
NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];
NSLog(@"responseData: %@", responseData);
NSString *str = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];
NSLog(@"responseData: %@", str);
NSDictionary* json = [NSJSONSerialization JSONObjectWithData:responseData
options:kNilOptions
error:nil];
NSDictionary* latestLoans = [json objectForKey:@"status"];
NSString *str2=[NSString stringWithFormat:@"%@", latestLoans];
NSString *str3=@"success";
if ([str3 isEqualToString:str2 ])
{
[self performSegueWithIdentifier:@"move" sender:nil];
NSLog(@"successfully.");
}
else
{
UIAlertController *alert= [UIAlertController
alertControllerWithTitle:@"Try Again"
message:@"Username or Password is Incorrect."
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* ok = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action){
[self.view endEditing:YES];
}
];
[alert addAction:ok];
[[UIView appearanceWhenContainedIn:[UIAlertController class], nil] setTintColor:[UIColor redColor]];
[self presentViewController:alert animated:YES completion:nil];
[self.view endEditing:YES];
}
JSON Response : {"status":"success","user_id":"58","user_name":"dilip","result":"You have been logged in successfully"} Working code
**
Minutes mod 60 will gives hours with minutes remaining.
This can also happen in safari if you try a selector with a missing ], for example
$('select[name="something"')
but interestingly, this same jquery selector with a missing bracket will work in chrome.
As explained by this answer, the exact location of the string pool is not specified and can vary from one JVM implementation to another.
It is interesting to note that until Java 7, the pool was in the permgen space of the heap on hotspot JVM but it has been moved to the main part of the heap since Java 7:
Area: HotSpot
Synopsis: In JDK 7, interned strings are no longer allocated in the permanent generation of the Java heap, but are instead allocated in the main part of the Java heap (known as the young and old generations), along with the other objects created by the application. This change will result in more data residing in the main Java heap, and less data in the permanent generation, and thus may require heap sizes to be adjusted. Most applications will see only relatively small differences in heap usage due to this change, but larger applications that load many classes or make heavy use of the String.intern() method will see more significant differences. RFE: 6962931
And in Java 8 Hotspot, Permanent Generation has been completely removed.
Extension to answer of bjornd .
var myObj = {
1: [1, [2], 3],
2: [4, 5, [6]]
}, count = 0,
i;
//count the JavaScript object length supporting IE < 9 also
for (i in myObj) {
if (myObj.hasOwnProperty(i)) {
count++;
}
}
//count = Object.keys(myObj).length;// but not support IE < 9
myObj.length = count + 1; //max index + 1
myArr = Array.prototype.slice.apply(myObj);
console.log(myArr);
The obvious answer to this is "that's what the JLS says."
Thinking about why that is, consider that this behavior can be useful in certain cases. Let's say you want to check a string against a set of other strings, but the number of other strings can vary.
So you have something like this:
for(String s : myStrings) {
check(aString.contains(s));
}
where some s
's are empty strings.
If the empty string is interpreted as "no input," and if your purpose here is ensure that aString
contains all the "inputs" in myStrings
, then it is misleading for the empty string to return false
. All strings contain it because it is nothing. To say they didn't contain it would imply that the empty string had some substance that was not captured in the string, which is false.
PyInstaller will create a single-file executable if you use the --onefile
option (though what it actually does is extracts then runs itself).
There's a simple PyInstaller tutorial here. If you have any questions about using it, please post them...
I had tried:
string[] sample = new string[0];
But I could only insert one string into it, and then I got an exceptionOutOfBound error, so I just simply put a size for it, like
string[] sample = new string[100];
Or another way that work for me:
List<string> sample = new List<string>();
Assigning Value for list:
sample.Add(your input);
$(function() {
$("#datepicker").datepicker({
//showOn: both - datepicker will come clicking the input box as well as the calendar icon
//showOn: button - datepicker will come only clicking the calendar icon
showOn: 'button',
//you can use your local path also eg. buttonImage: 'images/x_office_calendar.png'
buttonImage: 'http://theonlytutorials.com/demo/x_office_calendar.png',
buttonImageOnly: true,
changeMonth: true,
changeYear: true,
showAnim: 'slideDown',
duration: 'fast',
dateFormat: 'dd-mm-yy'
});
});
The above code belongs to this link
Splitting an empty string with String.split() returns a single element array containing an empty string. In most cases you'd probably prefer to get an empty array, or a null if you passed in a null, which is exactly what you get with org.apache.commons.lang3.StringUtils.split(str).
import org.apache.commons.lang3.StringUtils;
StringUtils.split(null) => null
StringUtils.split("") => []
StringUtils.split("abc def") => ["abc", "def"]
StringUtils.split("abc def") => ["abc", "def"]
StringUtils.split(" abc ") => ["abc"]
Another option is google guava Splitter.split() and Splitter.splitToList() which return an iterator and a list correspondingly. Unlike the apache version Splitter will throw an NPE on null
:
import com.google.common.base.Splitter;
Splitter SPLITTER = Splitter.on(',').trimResults().omitEmptyStrings();
SPLITTER.split("a,b, c , , ,, ") => [a, b, c]
SPLITTER.split("") => []
SPLITTER.split(" ") => []
SPLITTER.split(null) => NullPointerException
If you want a list rather than an iterator then use Splitter.splitToList().
If both arrays are in the correct order; where each item corresponds to its associated member identifier then you can simply use.
var merge = _.merge(arr1, arr2);
Which is the short version of:
var merge = _.chain(arr1).zip(arr2).map(function(item) {
return _.merge.apply(null, item);
}).value();
Or, if the data in the arrays is not in any particular order, you can look up the associated item by the member value.
var merge = _.map(arr1, function(item) {
return _.merge(item, _.find(arr2, { 'member' : item.member }));
});
You can easily convert this to a mixin. See the example below:
_.mixin({_x000D_
'mergeByKey' : function(arr1, arr2, key) {_x000D_
var criteria = {};_x000D_
criteria[key] = null;_x000D_
return _.map(arr1, function(item) {_x000D_
criteria[key] = item[key];_x000D_
return _.merge(item, _.find(arr2, criteria));_x000D_
});_x000D_
}_x000D_
});_x000D_
_x000D_
var arr1 = [{_x000D_
"member": 'ObjectId("57989cbe54cf5d2ce83ff9d6")',_x000D_
"bank": 'ObjectId("575b052ca6f66a5732749ecc")',_x000D_
"country": 'ObjectId("575b0523a6f66a5732749ecb")'_x000D_
}, {_x000D_
"member": 'ObjectId("57989cbe54cf5d2ce83ff9d8")',_x000D_
"bank": 'ObjectId("575b052ca6f66a5732749ecc")',_x000D_
"country": 'ObjectId("575b0523a6f66a5732749ecb")'_x000D_
}];_x000D_
_x000D_
var arr2 = [{_x000D_
"member": 'ObjectId("57989cbe54cf5d2ce83ff9d8")',_x000D_
"name": 'yyyyyyyyyy',_x000D_
"age": 26_x000D_
}, {_x000D_
"member": 'ObjectId("57989cbe54cf5d2ce83ff9d6")',_x000D_
"name": 'xxxxxx',_x000D_
"age": 25_x000D_
}];_x000D_
_x000D_
var arr3 = _.mergeByKey(arr1, arr2, 'member');_x000D_
_x000D_
document.body.innerHTML = JSON.stringify(arr3, null, 4);
_x000D_
body { font-family: monospace; white-space: pre; }
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.14.0/lodash.min.js"></script>
_x000D_
function select_option(index)
{
var optwewant;
for (opts in $('#span_id').children('select'))
{
if (opts.value() = index)
{
optwewant = opts;
break;
}
}
alert (optwewant);
}
Window.close( ) does not work as it used to. Can be seen here:
window.close and self.close do not close the window in Chrome
In my case, I realized that I didn't need to close the page. So you can redirect the user to another page with:
window.location.replace("https://stackoverflow.com/");
I checked off Google API as project build target.
That is irrelevant, as that is for Maps V1, and you are trying to use Maps V2.
I included .jar file for maps by right-clicking on my project, went to build path and added external archive locating it in my SDK: android-sdk-windows\add-ons\addon_google_apis_google_inc_8\libs\maps
This is doubly wrong.
First, never manually modify the build path in an Android project. If you are doing that, at best, you will crash at runtime, because the JAR you think you put in your project (via the manual build path change) is not in your APK. For an ordinary third-party JAR, put it in the libs/
directory of your project, which will add it to your build path automatically and add its contents to your APK file.
However, Maps V2 is not a JAR. It is an Android library project that contains a JAR. You need the whole library project.
You need to import the android-sdk-windows\add-ons\addon_google_apis_google_inc_8
project into Eclipse, then add it to your app as a reference to an Android library project.
With Java 8's date time API change, Use LocalDate
LocalDate date = LocalDate.now().minusDays(300);
Similarly you can have
LocalDate date = someLocalDateInstance.minusDays(300);
Refer to https://stackoverflow.com/a/23885950/260990 for translation between java.util.Date <--> java.time.LocalDateTime
Date in = new Date();
LocalDateTime ldt = LocalDateTime.ofInstant(in.toInstant(), ZoneId.systemDefault());
Date out = Date.from(ldt.atZone(ZoneId.systemDefault()).toInstant());
Calendar cal = Calendar.getInstance();
cal.setTime(dateInstance);
cal.add(Calendar.DATE, -30);
Date dateBefore30Days = cal.getTime();
Once you've got ec2-metadata
and ec2-describe-tags
installed (as mentioned in Ranieri's answer above), here's an example shell command to get the "name" of the current instance, assuming you have a "Name=Foo" tag on it.
Assumes EC2_PRIVATE_KEY and EC2_CERT environment variables are set.
ec2-describe-tags \
--filter "resource-type=instance" \
--filter "resource-id=$(ec2-metadata -i | cut -d ' ' -f2)" \
--filter "key=Name" | cut -f5
This returns Foo
.
You might have not closed the the output. Close the output, clean and rebuild the file. You might be able to run the file now.
You can in fact use range
without referencing it's return values by using for range
against your type:
arr := make([]uint8, 5)
i,j := 0,0
for range arr {
fmt.Println("Array Loop",i)
i++
}
for range "bytes" {
fmt.Println("String Loop",j)
j++
}
In case of multiple type of select and/or if you want to remove already selected items one by one, directly within a dropdown list items, you can use something like:
jQuery("body").on("click", ".result-selected", function() {
var locID = jQuery(this).attr('class').split('__').pop();
// I have a class name: class="result-selected locvalue__209"
var arrayCurrent = jQuery('#searchlocation').val();
var index = arrayCurrent.indexOf(locID);
if (index > -1) {
arrayCurrent.splice(index, 1);
}
jQuery('#searchlocation').val(arrayCurrent).trigger('chosen:updated');
});
This solution works same as iFrame. I have created a PHP script that can get all the contents from the other website, and most important part is you can easily apply your custom jQuery to that external content. Please refer to the following script that can get all the contents from the other website and then you can apply your cusom jQuery/JS as well. This content can be used anywhere, inside any element or any page.
<div id='myframe'>
<?php
/*
Use below function to display final HTML inside this div
*/
//Display Frame
echo displayFrame();
?>
</div>
<?php
/*
Function to display frame from another domain
*/
function displayFrame()
{
$webUrl = 'http://[external-web-domain.com]/';
//Get HTML from the URL
$content = file_get_contents($webUrl);
//Add custom JS to returned HTML content
$customJS = "
<script>
/* Here I am writing a sample jQuery to hide the navigation menu
You can write your own jQuery for this content
*/
//Hide Navigation bar
jQuery(\".navbar\").hide();
</script>";
//Append Custom JS with HTML
$html = $content . $customJS;
//Return customized HTML
return $html;
}
Try this
<allow users="?" />
Now you are using <deny users="?" />
that means you are not allowing authenticated user to use your site.
raw.githubusercontent.com/username/repo-name/branch-name/path
Replace username
with the username of the user that created the repo.
Replace repo-name
with the name of the repo.
Replace branch-name
with the name of the branch.
Replace path
with the path to the file.
To reverse to go to GitHub.com:
GitHub.com/username/repo-name/directory-path/blob/branch-name/filename
var array = [{
id: "123",
name: "aaaaaaaa"
}, {
id: "123",
name: "aaaaaaaa"
}, {
id: '456',
name: 'bbbbbbbbbb'
}, {
id: '789',
name: 'ccccccccc'
}, {
id: '789',
name: 'ccccccccc'
}, {
id: '098',
name: 'dddddddddddd'
}];
//if you want to group this array
group(array, key) {
console.log(array);
let finalArray = [];
array.forEach(function(element) {
var newArray = [];
array.forEach(function(element1) {
if (element[key] == element1[key]) {
newArray.push(element)
}
});
if (!(finalArray.some(arrVal => newArray[0][key] == arrVal[0][key]))) {
finalArray.push(newArray);
}
});
return finalArray
}
//and call this function
groupArray(arr, key) {
console.log(this.group(arr, key))
}
You can also rely on the default value of the constructor if you wish to create a typed array:
> $a = new-object bool[] 5
> $a
False
False
False
False
False
The default value of a bool is apparently false so this works in your case. Likewise if you create a typed int[] array, you'll get the default value of 0.
Another cool way that I use to initialze arrays is with the following shorthand:
> $a = ($false, $false, $false, $false, $false)
> $a
False
False
False
False
False
Or if you can you want to initialize a range, I've sometimes found this useful:
> $a = (1..5) > $a 1 2 3 4 5
Hope this was somewhat helpful!
with the "new" Object api you can do something like this:
var obj = {};
Object.defineProperty(obj, 'CONSTANT', {
configurable: false
enumerable: true,
writable: false,
value: "your constant value"
});
take a look at this on the Mozilla MDN for more specifics. It's not a first level variable, as it is attached to an object, but if you have a scope, anything, you can attach it to that. this
should work as well.
So for example doing this in the global scope will declare a pseudo constant value on the window (which is a really bad idea, you shouldn't declare global vars carelessly)
Object.defineProperty(this, 'constant', {
enumerable: true,
writable: false,
value: 7,
configurable: false
});
> constant
=> 7
> constant = 5
=> 7
note: assignment will give you back the assigned value in the console, but the variable's value will not change
In addition to the other answer, I would like to point out that this reasoning is also known as the De Morgan's law. It's actually more about mathematics than programming, but it is so fundamental that every programmer should know about it.
Your problem started like this:
enabled = A and B
disabled = not ( A and B )
So far so good, but you went one step further and tried to remove the braces.
And that's a little tricky, because you have to replace the and
/&&
with an or
/||
.
not ( A and B ) = not(A) OR not(B)
Or in a more mathematical notation:
I always keep this law in mind whenever I simplify conditions or work with probabilities.
The OP asked, is it possible to reference a table, not how to add a table. So the working equivalent of
Sheets("Sheet1").Table("A_Table").Select
would be this statement:
Sheets("Sheet1").ListObjects("A_Table").Range.Select
or to select parts (like only the data in the table):
Dim LO As ListObject
Set LO = Sheets("Sheet1").ListObjects("A_Table")
LO.HeaderRowRange.Select ' Select just header row
LO.DataBodyRange.Select ' Select just data cells
LO.TotalsRowRange.Select ' Select just totals row
For the parts, you may want to test for the existence of the header and totals rows before selecting them.
And seriously, this is the only question on referencing tables in VBA in SO? Tables in Excel make so much sense, but they're so hard to work with in VBA!
You should be able to access the local database by using the name localhost
. There is also a way to determine the hostname of the computer you're running on, but it doesn't sound like you need that. As for the username, you can either (1) give permissions to the account that PHP runs under to access the database without a password, or (2) store the username and password that you need to connect with (hard-coded or stored in a config file), and pass those as arguments to mysql_connect
. See http://php.net/manual/en/function.mysql-connect.php.
char *charPtr = "test string";
cout << charPtr << endl;
string str = charPtr;
cout << str << endl;
While executing the job we need to pass Job parameters as follows:
JobParameters jobParameters= new JobParametersBuilder().addString("file.name", "filename.txt").toJobParameters();
JobExecution execution = jobLauncher.run(job, jobParameters);
by using the expression language we can import the value as follows:
#{jobParameters['file.name']}
Use assertNotNull(obj)
. assert
means must be
.
You need a git client to upload your project to git servers. For eclipse EGIT is a nice plugin to use GIT.
to learn the basic of git , see here // i think you should have the basic first
math.fabs()
converts its argument to float if it can (if it can't, it throws an exception). It then takes the absolute value, and returns the result as a float.
In addition to floats, abs()
also works with integers and complex numbers. Its return type depends on the type of its argument.
In [7]: type(abs(-2))
Out[7]: int
In [8]: type(abs(-2.0))
Out[8]: float
In [9]: type(abs(3+4j))
Out[9]: float
In [10]: type(math.fabs(-2))
Out[10]: float
In [11]: type(math.fabs(-2.0))
Out[11]: float
In [12]: type(math.fabs(3+4j))
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/npe/<ipython-input-12-8368761369da> in <module>()
----> 1 type(math.fabs(3+4j))
TypeError: can't convert complex to float
CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(
Convert.ToInt32(e.Row.Cells[7].Text.Substring(3,2))).Substring(0,3)
+ "-"
+ Convert.ToDateTime(e.Row.Cells[7].Text).ToString("yyyy");
Input the following formula in C1
:
=IF(ISNA(A1),B1,A1*B1
)
Screenshots:
When #N/A:
When not #N/A:
Let us know if this helps.
Once you declare the type of a variable, you don't need to cast it to that same type. So you can write a=&b;
. Finally, you declared c
incorrectly. Since you assign it to be the address of a
, where a
is a pointer to int
, you must declare it to be a pointer to a pointer to int
.
#include <stdio.h>
int main(void)
{
int b=10;
int *a=&b;
int **c=&a;
printf("%d", **c);
return 0;
}
See What is the maximum length of a URL in different browsers?
The length of the url can't be changed in PHP. The linked question is about the URL size limit, you will find what you want.
This is resolve my case as found on Where to find the win32api module for Python?
pip install pypiwin32
The equivalent would be class SortedDictionary<TKey, TValue>
in the System.Collections.Generic
namespace.
If you don't care about the order the class Dictionary<TKey, TValue>
in the System.Collections.Generic
namespace would probably be sufficient.
If the length is non zero, you can also
str[str.length() - 1] = '\0';
You would think that simply authenticating a user in Active Directory would be a pretty simple process using LDAP in PHP without the need for a library. But there are a lot of things that can complicate it pretty fast:
It's actually easier in most cases to use a LDAP library supporting the above. I ultimately ended up rolling my own library which handles all the above points: LdapTools (Well, not just for authentication, it can do much more). It can be used like the following:
use LdapTools\Configuration;
use LdapTools\DomainConfiguration;
use LdapTools\LdapManager;
$domain = (new DomainConfiguration('example.com'))
->setUsername('username') # A separate AD service account used by your app
->setPassword('password')
->setServers(['dc1', 'dc2', 'dc3'])
->setUseTls(true);
$config = new Configuration($domain);
$ldap = new LdapManager($config);
if (!$ldap->authenticate($username, $password, $message)) {
echo "Error: $message";
} else {
// Do something...
}
The authenticate call above will:
There are other libraries to do this too (Such as Adldap2). However, I felt compelled enough to provide some additional information as the most up-voted answer is actually a security risk to rely on with no input validation done and not using TLS.
This solves the problem on my end.
var files = sftp.ListDirectory(remoteVendorDirectory).Where(f => !f.IsDirectory);
foreach (var file in files)
{
var filename = $"{LocalDirectory}/{file.Name}";
if (!File.Exists(filename))
{
Console.WriteLine("Downloading " + file.FullName);
var localFile = File.OpenWrite(filename);
sftp.DownloadFile(file.FullName, localFile);
}
}
Convert Date to String using this function
public String convertDateToString(Date date, String format) {
String dateStr = null;
DateFormat df = new SimpleDateFormat(format);
try {
dateStr = df.format(date);
} catch (Exception ex) {
System.out.println(ex);
}
return dateStr;
}
From Convert Date to String in Java . And convert string to date again
public Date convertStringToDate(String dateStr, String format) {
Date date = null;
DateFormat df = new SimpleDateFormat(format);
try {
date = df.parse(dateStr);
} catch (Exception ex) {
System.out.println(ex);
}
return date;
}
You can just create your own .white
class and add it to the glyphicon element.
.white, .white a {
color: #fff;
}
<i class="glyphicon glyphicon-home white"></i>
Ref: https://garbagevalue.com/blog/4-simle-ways-to-check-ip-adress-in-centos-7
I'm using CentOS 7 and command
ip a
is enough to do the job.
Just slice out the IP address part from that test.
ip a | grep 192
This is the only solution that worked for me after trying several of those above. Switch to your c:\users folder and search for .sln and then remove all .sln files that have your project name. Then restart your computer and rebuild the solution (F5) and it worked!
It is a Generic Type Parameter.
A generic type parameter allows you to specify an arbitrary type T to a method at compile-time, without specifying a concrete type in the method or class declaration.
For example:
public T[] Reverse<T>(T[] array)
{
var result = new T[array.Length];
int j=0;
for(int i=array.Length - 1; i>= 0; i--)
{
result[j] = array[i];
j++;
}
return result;
}
reverses the elements in an array. The key point here is that the array elements can be of any type, and the function will still work. You specify the type in the method call; type safety is still guaranteed.
So, to reverse an array of strings:
string[] array = new string[] { "1", "2", "3", "4", "5" };
var result = reverse(array);
Will produce a string array in result
of { "5", "4", "3", "2", "1" }
This has the same effect as if you had called an ordinary (non-generic) method that looks like this:
public string[] Reverse(string[] array)
{
var result = new string[array.Length];
int j=0;
for(int i=array.Length - 1; i >= 0; i--)
{
result[j] = array[i];
j++;
}
return result;
}
The compiler sees that array
contains strings, so it returns an array of strings. Type string
is substituted for the T
type parameter.
Generic type parameters can also be used to create generic classes. In the example you gave of a SampleCollection<T>
, the T
is a placeholder for an arbitrary type; it means that SampleCollection
can represent a collection of objects, the type of which you specify when you create the collection.
So:
var collection = new SampleCollection<string>();
creates a collection that can hold strings. The Reverse
method illustrated above, in a somewhat different form, can be used to reverse the collection's members.
Try editing your eclipse.ini file and add the following at the top
-vm
/Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home
Of course the path may be slightly different, looks like I have an older version...
I'm not sure if it will add itself automatically. If not go into
Preferences --> Java --> Installed JREs
Click Add and follow the instructions there to add it
When you call loc
with a scalar value, you get a pd.Series
. That series will then have one dtype
. If you want to see the row as it is in the dataframe, you'll want to pass an array like indexer to loc
.
Wrap your index value with an additional pair of square brackets
print(df.loc[[159220]])
To have unique Categories:
var uniqueCategories = repository.GetAllProducts()
.Select(p=>p.Category)
.Distinct();
I normally just run git mergetool
and it will prompt me if I want to keep the modified file or keep it deleted. This is the quickest way IMHO since it's one command instead of several per file.
If you have a bunch of deleted files in a specific subdirectory and you want all of them to be resolved by deleting the files, you can do this:
yes d | git mergetool -- the/subdirectory
The d
is provided to choose deleting each file. You can also use m
to keep the modified file. Taken from the prompt you see when you run mergetool
:
Use (m)odified or (d)eleted file, or (a)bort?
A little bit simpler using regex and toJSON()
.
var now = new Date();
var timeRegex = /^.*T(\d{2}):(\d{2}):(\d{2}).*$/
var dateRegex = /^(\d{4})-(\d{2})-(\d{2})T.*$/
var dateData = dateRegex.exec(now.toJSON());
var timeData = timeRegex.exec(now.toJSON());
var myFormat = dateData[1]+dateData[2]+dateData[3]+timeData[1]+timeData[2]+timeData[3]
Which at the time of writing gives you "20151111180924"
.
The good thing of using toJSON()
is that everything comes already padded.
You could try something like this (as shown here: Select a Directory with a JFileChooser):
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class DemoJFileChooser extends JPanel
implements ActionListener {
JButton go;
JFileChooser chooser;
String choosertitle;
public DemoJFileChooser() {
go = new JButton("Do it");
go.addActionListener(this);
add(go);
}
public void actionPerformed(ActionEvent e) {
chooser = new JFileChooser();
chooser.setCurrentDirectory(new java.io.File("."));
chooser.setDialogTitle(choosertitle);
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
//
// disable the "All files" option.
//
chooser.setAcceptAllFileFilterUsed(false);
//
if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
System.out.println("getCurrentDirectory(): "
+ chooser.getCurrentDirectory());
System.out.println("getSelectedFile() : "
+ chooser.getSelectedFile());
}
else {
System.out.println("No Selection ");
}
}
public Dimension getPreferredSize(){
return new Dimension(200, 200);
}
public static void main(String s[]) {
JFrame frame = new JFrame("");
DemoJFileChooser panel = new DemoJFileChooser();
frame.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
}
);
frame.getContentPane().add(panel,"Center");
frame.setSize(panel.getPreferredSize());
frame.setVisible(true);
}
}
As a bare minimum:
tsconfig:
"lib": [
"es2015"
]
and install a polyfill such as https://github.com/zloirock/core-js if you want IE < 11 support: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
I know it's an old post but I'd like to contribute with a class I've created based on Jeremy Ruten's answer and improved with suggestions in comments:
class RandomString
{
private static $characters = 'abcdefghijklmnopqrstuvwxyz0123456789';
private static $string;
private static $length = 8; //default random string length
public static function generate($length = null)
{
if($length){
self::$length = $length;
}
$characters_length = strlen(self::$characters) - 1;
for ($i = 0; $i < self::$length; $i++) {
self::$string .= self::$characters[mt_rand(0, $characters_length)];
}
return self::$string;
}
}
The easiest way is to use Resource Manager
Then you can select each density
And after importing you can see the 6 different versions of this image
You can concatenate strings by using the sprintf() function. In your case, for example:
char file[80];
sprintf(file,"%s%s",name,extension);
And you'll end having the concatenated string in "file".
Javascript is a programming language whereas jQuery is a library to help make writing in javascript easier. It's particularly useful for simply traversing the DOM in an HTML page.
You can do a recursive removal in one line using json.stringify's replacer argument
const removeEmptyValues = obj => (
JSON.parse(JSON.stringify(obj, (k,v) => v ?? undefined))
)
Usage:
removeEmptyValues({a:{x:1,y:null,z:undefined}}) // Returns {a:{x:1}}
As mentioned in Emmanuel's comment, this technique only worked if your data structure contains only data types that can be put into JSON format (strings, numbers, lists, etc).
(This answer has been updated to use the new Nullish Coalescing operator. depending on browser support needs you may want to use this function instead: (k,v) => v!=null ? v : undefined
)
You can style input[type=text]
differently depending on whether or not the input has text by styling the placeholder. This is not an official standard at this point but has wide browser support, though with different prefixes:
input[type=text] {
color: red;
}
input[type=text]:-moz-placeholder {
color: green;
}
input[type=text]::-moz-placeholder {
color: green;
}
input[type=text]:-ms-input-placeholder {
color: green;
}
input[type=text]::-webkit-input-placeholder {
color: green;
}
All this peace of code put into *.bat file and run all at once:
My code for creating user in oracle. crate_drop_user.sql file
drop user "USER" cascade;
DROP TABLESPACE "USER";
CREATE TABLESPACE USER DATAFILE 'D:\ORA_DATA\ORA10\USER.ORA' SIZE 10M REUSE
AUTOEXTEND
ON NEXT 5M EXTENT MANAGEMENT LOCAL
SEGMENT SPACE MANAGEMENT AUTO
/
CREATE TEMPORARY TABLESPACE "USER_TEMP" TEMPFILE
'D:\ORA_DATA\ORA10\USER_TEMP.ORA' SIZE 10M REUSE AUTOEXTEND
ON NEXT 5M EXTENT MANAGEMENT LOCAL
UNIFORM SIZE 1M
/
CREATE USER "USER" PROFILE "DEFAULT"
IDENTIFIED BY "user_password" DEFAULT TABLESPACE "USER"
TEMPORARY TABLESPACE "USER_TEMP"
/
alter user USER quota unlimited on "USER";
GRANT CREATE PROCEDURE TO "USER";
GRANT CREATE PUBLIC SYNONYM TO "USER";
GRANT CREATE SEQUENCE TO "USER";
GRANT CREATE SNAPSHOT TO "USER";
GRANT CREATE SYNONYM TO "USER";
GRANT CREATE TABLE TO "USER";
GRANT CREATE TRIGGER TO "USER";
GRANT CREATE VIEW TO "USER";
GRANT "CONNECT" TO "USER";
GRANT SELECT ANY DICTIONARY to "USER";
GRANT CREATE TYPE TO "USER";
create file import.bat and put this lines in it:
SQLPLUS SYSTEM/systempassword@ORA_alias @"crate_drop_user.SQL"
IMP SYSTEM/systempassword@ORA_alias FILE=user.DMP FROMUSER=user TOUSER=user GRANTS=Y log =user.log
Be carefull if you will import from one user to another. For example if you have user named user1 and you will import to user2 you may lost all grants , so you have to recreate it.
Good luck, Ivan
You can get the first column as a Series by following code:
x[x.columns[0]]
public class Mode {
public static void main(String[] args) {
int[] unsortedArr = new int[] { 3, 1, 5, 2, 4, 1, 3, 4, 3, 2, 1, 3, 4, 1 ,-1,-1,-1,-1,-1};
Map<Integer, Integer> countMap = new HashMap<Integer, Integer>();
for (int i = 0; i < unsortedArr.length; i++) {
Integer value = countMap.get(unsortedArr[i]);
if (value == null) {
countMap.put(unsortedArr[i], 0);
} else {
int intval = value.intValue();
intval++;
countMap.put(unsortedArr[i], intval);
}
}
System.out.println(countMap.toString());
int max = getMaxFreq(countMap.values());
List<Integer> modes = new ArrayList<Integer>();
for (Entry<Integer, Integer> entry : countMap.entrySet()) {
int value = entry.getValue();
if (value == max)
modes.add(entry.getKey());
}
System.out.println(modes);
}
public static int getMaxFreq(Collection<Integer> valueSet) {
int max = 0;
boolean setFirstTime = false;
for (Iterator iterator = valueSet.iterator(); iterator.hasNext();) {
Integer integer = (Integer) iterator.next();
if (!setFirstTime) {
max = integer;
setFirstTime = true;
}
if (max < integer) {
max = integer;
}
}
return max;
}
}
Test data
Modes {1,3} for { 3, 1, 5, 2, 4, 1, 3, 4, 3, 2, 1, 3, 4, 1 };
Modes {-1} for { 3, 1, 5, 2, 4, 1, 3, 4, 3, 2, 1, 3, 4, 1 ,-1,-1,-1,-1,-1};
Someone's going to post a much better answer than this, but just wanted to make the point that personally I would never store a phone number in any kind of integer field, mainly because:
In general though, I seem to almost exclusively use:
Of course there are exceptions, but I find that covers most eventualities.
mythreads = threading.enumerate()
Enumerate returns a list of all Thread objects still alive. https://docs.python.org/3.6/library/threading.html
The new
and delete
operators can operate on classes and structures, whereas malloc
and free
only work with blocks of memory that need to be cast.
Using new/delete
will help to improve your code as you will not need to cast allocated memory to the required data structure.
I did this in Excel 2000.
This statement should be: ms = Round(temp - Int(temp), 3) * 1000
You need to create a custom format for the result cell of [h]:mm:ss.000
It is not clear from your question what the criteria for deciding what strings to remove is, but if you have or can make a list of the strings that you want to remove , you could do the following:
my_strings = ['a','b','c','d','e']
undesirable_strings = ['b','d']
for undesirable_string in undesirable_strings:
for i in range(my_strings.count(undesirable_string)):
my_strings.remove(undesirable_string)
which changes my_strings to ['a', 'c', 'e']
Close Android Studio Go to C:\Users\UserName.android and rename the folder:
Go to C:\Users\UserName.AndroidStudio3.x\system OR (Android studio 4 and Higher) Go to C:\Users\UserName\AppData\Local\Google\AndroidStudio4.x and rename these folders:
caches to caches_old
compiler to compiler_old
compile-server to compile-server_old
conversion to conversion_old
external_build_system to external_build_system_old
frameworks to frameworks_old
gradle to gradle_old
resource_folder_cache to resource_folder_cache_old
Open the Android Studio and open your project again.
Thank you @Blorgbeard for the genious idea.
By the way Blorgbeard's query was not working for me so I edited it:
DECLARE @Table_Name as VARCHAR(50) SET @Table_Name = 'MyTable' -- put here you table name
DECLARE @Column_Like as VARCHAR(20) SET @Column_Like = '%something%' -- put here you element
DECLARE @sql NVARCHAR(MAX) SET @sql = 'select '
SELECT @sql = @sql + '[' + sys.columns.name + '],'
FROM sys.columns
JOIN sys.tables ON sys.columns.object_id = tables.object_id
WHERE sys.columns.name like @Column_Like
and sys.tables.name = @Table_Name
SET @sql = left(@sql,len(@sql)-1) -- remove trailing comma
SET @sql = @sql + ' from ' + @Table_Name
EXEC sp_executesql @sql
To generate a shared library you need first to compile your C code with the -fPIC
(position independent code) flag.
gcc -c -fPIC hello.c -o hello.o
This will generate an object file (.o), now you take it and create the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also suggest to add -Wall
to get all warnings, and -g
to get debugging information, to your gcc
commands. – Basile Starynkevitch
I fix the lack of example's library here:
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/3.5.2/select2.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/3.5.2/select2.js">
ASP.NET Core 3.1
This is my implementation of the feature, it works on server side as well as with jquery validation unobtrusive with a custom error message just like any other attribute:
The attribute:
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
public class MustBeIntegerAttribute : ValidationAttribute, IClientModelValidator
{
public void AddValidation(ClientModelValidationContext context)
{
MergeAttribute(context.Attributes, "data-val", "true");
var errorMsg = FormatErrorMessage(context.ModelMetadata.GetDisplayName());
MergeAttribute(context.Attributes, "data-val-mustbeinteger", errorMsg);
}
public override bool IsValid(object value)
{
return int.TryParse(value?.ToString() ?? "", out int newVal);
}
private bool MergeAttribute(
IDictionary<string, string> attributes,
string key,
string value)
{
if (attributes.ContainsKey(key))
{
return false;
}
attributes.Add(key, value);
return true;
}
}
Client side logic:
$.validator.addMethod("mustbeinteger",
function (value, element, parameters) {
return !isNaN(parseInt(value)) && isFinite(value);
});
$.validator.unobtrusive.adapters.add("mustbeinteger", [], function (options) {
options.rules.mustbeinteger = {};
options.messages["mustbeinteger"] = options.message;
});
And finally the Usage:
[MustBeInteger(ErrorMessage = "You must provide a valid number")]
public int SomeNumber { get; set; }
The difference between starting an Activity from a Fragment and an Activity is how you get the context, because in both cases it has to be an activity.
From an activity:
The context is the current activity (this
)
Intent intent = new Intent(this, NewActivity.class);
startActivity(intent);
From a fragment:
The context is the parent activity (getActivity()
). Notice, that the fragment itself can start the activity via startActivity()
, this is not necessary to be done from the activity.
Intent intent = new Intent(getActivity(), NewActivity.class);
startActivity(intent);
Here's a script that will find all files matching a pattern you pass it, and then converting them from their current file encoding to UTF-8. If the encoding is US ASCII, then it will still show as US ASCII, since that is a subset of UTF-8.
#!/usr/bin/env bash
find . -name "${1}" |
while read line;
do
echo "***************************"
echo "Converting ${line}"
encoding=$(file -b --mime-encoding ${line})
echo "Found Encoding: ${encoding}"
iconv -f "${encoding}" -t "utf-8" ${line} -o ${line}.tmp
mv ${line}.tmp ${line}
done
When you execute a program the child program inherits its environment variables from the parent. For instance if $HOME
is set to /root
in the parent then the child's $HOME
variable is also set to /root
.
This only applies to environment variable that are marked for export. If you set a variable at the command-line like
$ FOO="bar"
That variable will not be visible in child processes. Not unless you export it:
$ export FOO
You can combine these two statements into a single one in bash (but not in old-school sh):
$ export FOO="bar"
Here's a quick example showing the difference between exported and non-exported variables. To understand what's happening know that sh -c
creates a child shell process which inherits the parent shell's environment.
$ FOO=bar
$ sh -c 'echo $FOO'
$ export FOO
$ sh -c 'echo $FOO'
bar
Note: To get help on shell built-in commands use help export
. Shell built-ins are commands that are part of your shell rather than independent executables like /bin/ls
.
Yes, it is because you are using auto layout. Setting the view frame and resizing mask will not work.
You should read Working with Auto Layout Programmatically and Visual Format Language.
You will need to get the current constraints, add the text field, adjust the contraints for the text field, then add the correct constraints on the text field.
Use bootstrap .collapse instead of .hidden
Later in JQuery you can use .show() or .hide() to manipulate it
One additional step I needed to take was to switch my URL from http://localhost
to http://127.0.0.0
This answer is not relevant for particular recepient, but maybe useful for others. I had similiar issue with 'selecting' right 'option' by value returned from database. I solved it by adding additional tag with applied display:none.
<?php
$status = "NOT_ON_LIST";
$text = "<html>
<head>
</head>
<body>
<select id=\"statuses\">
<option value=\"status\" selected=\"selected\" style=\"display:none\">$status</option>
<option value=\"status\">OK</option>
<option value=\"status\">DOWN</option>
<option value=\"status\">UNKNOWN</option>
</select>
</body>
</html>";
print $text;
?>
You may be forgetting something. Before #include <iostream>
, write #include <stdafx.h>
and maybe that will help. Then, when you are done writing, click test, than click output from build, then when it is done processing/compiling, press Ctrl+F5 to open the Command Prompt and it should have the output and "press any key to continue."
You need to write() the read() data into the new file:
ssize_t nrd;
int fd;
int fd1;
fd = open(aa[1], O_RDONLY);
fd1 = open(aa[2], O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
while (nrd = read(fd,buffer,50)) {
write(fd1,buffer,nrd);
}
close(fd);
close(fd1);
Update: added the proper opens...
Btw, the O_CREAT can be OR'd (O_CREAT | O_WRONLY). You are actually opening too many file handles. Just do the open once.
Another way to set the column types is to first construct a numpy record array with your desired types, fill it out and then pass it to a DataFrame constructor.
import pandas as pd
import numpy as np
x = np.empty((10,), dtype=[('x', np.uint8), ('y', np.float64)])
df = pd.DataFrame(x)
df.dtypes ->
x uint8
y float64
you can also use .between()
method
emp = pd.read_csv("C:\\py\\programs\\pandas_2\\pandas\\employees.csv")
emp[emp["Salary"].between(60000, 61000)]
Output
curious - why doesn't the 'nothing easier than this' answer (above) not work? it looks logical? http://206.251.38.181/jquery-learn/ajax/iframe.html
Here is the function:
document.body.setScaledFont = function(f) {
var s = this.offsetWidth, fs = s * f;
this.style.fontSize = fs + '%';
return this
};
Then convert all your documents child element font sizes to em's or %.
Then add something like this to your code to set the base font size.
document.body.setScaledFont(0.35);
window.onresize = function() {
document.body.setScaledFont(0.35);
}
I faced a similar problem, on my Windows computer, please do check that you have set the Environment Variables correctly.
To check that Environment variable is set correctly:
Open cmd.exe
Type Python and press return
(a) If it outputs the version of python then the environment variables are set correctly.
(b) If it outputs "no such program or file name" then your environment variable are not set correctly.
To set environment variable:
If you have correct variables already set; then you are calling the file inside the python interpreter.
replace:true
is DeprecatedFrom the Docs:
replace
([DEPRECATED!], will be removed in next major release - i.e. v2.0)specify what the template should replace. Defaults to
false
.
true
- the template will replace the directive's element.false
- the template will replace the contents of the directive's element.
-- AngularJS Comprehensive Directive API
From GitHub:
Caitp-- It's deprecated because there are known, very silly problems with
replace: true
, a number of which can't really be fixed in a reasonable fashion. If you're careful and avoid these problems, then more power to you, but for the benefit of new users, it's easier to just tell them "this will give you a headache, don't do it".
Note:
replace: true
is deprecated and not recommended to use, mainly due to the issues listed here. It has been completely removed in the new Angular.
transclude: element
in the replace template root can have unexpected effectsFor more information, see
There is another way , if you want to get sub string before and after a character
String s ="123dance456";
String[] split = s.split("dance");
String firstSubString = split[0];
String secondSubString = split[1];
check this post- how to find before and after sub-string in a string
This homebrew function have precision down to a 10th of a second or less.
function sleep (a)
local sec = tonumber(os.clock() + a);
while (os.clock() < sec) do
end
end
Use:
DefaultTableModel model = new DefaultTableModel();
JTable table = new JTable(model);
// Create a couple of columns
model.addColumn("Col1");
model.addColumn("Col2");
// Append a row
model.addRow(new Object[]{"v1", "v2"});