The documentation says that these two methods are equivalent:
StreamReader.Close: This implementation of Close calls the Dispose method passing a true value.
StreamWriter.Close: This implementation of Close calls the Dispose method passing a true value.
Stream.Close: This method calls Dispose, specifying true to release all resources.
So, both of these are equally valid:
/* Option 1, implicitly calling Dispose */
using (StreamWriter writer = new StreamWriter(filename)) {
// do something
}
/* Option 2, explicitly calling Close */
StreamWriter writer = new StreamWriter(filename)
try {
// do something
}
finally {
writer.Close();
}
Personally, I would stick with the first option, since it contains less "noise".
In Python, you can use urllib2
(http://docs.python.org/2/library/urllib2.html) to do all of that work for you.
Simply enough:
import urllib2
f = urllib2.urlopen(url)
print f.read()
Will print the received HTTP response.
To pass GET/POST parameters the urllib.urlencode()
function can be used. For more information, you can refer to the Official Urllib2 Tutorial
private String encodeFileToBase64Binary(File file){
String encodedfile = null;
try {
FileInputStream fileInputStreamReader = new FileInputStream(file);
byte[] bytes = new byte[(int)file.length()];
fileInputStreamReader.read(bytes);
encodedfile = Base64.encodeBase64(bytes).toString();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return encodedfile;
}
You need to write all the lines you read into the output file, even if you don't change them.
Something like:
using (var input = File.OpenText("input.txt"))
using (var output = new StreamWriter("output.txt")) {
string line;
while (null != (line = input.ReadLine())) {
// optionally modify line.
output.WriteLine(line);
}
}
If you want to perform this operation in place then the easiest way is to use a temporary output file and at the end replace the input file with the output.
File.Delete("input.txt");
File.Move("output.txt", "input.txt");
(Trying to perform update operations in the middle of text file is rather hard to get right because always having the replacement the same length is hard given most encodings are variable width.)
EDIT: Rather than two file operations to replace the original file, better to use File.Replace("input.txt", "output.txt", null)
. (See MSDN.)
For all the people that just quickly want the text of a hardcoded file in winforms;
Resources.<name of resource>.toString();
to read the file.I would not recommend this as best practice or anything, but it works quickly and does what it needs to do.
All excellent answers! however, for someone looking for an answer, these appear to be somewhat incomplete.
As a standard String can only of Size X, 2Gb to 4Gb depending on your configuration, these answers do not really fulfil the OP's question. One method is to work with a List of Strings:
List<string> Words = new List<string>();
using (StreamReader sr = new StreamReader(@"C:\Temp\file.txt"))
{
string line = string.Empty;
while ((line = sr.ReadLine()) != null)
{
Words.Add(line);
}
}
Some may want to Tokenise and split the line when processing. The String List now can contain very large volumes of Text.
It depends on the database you are using. MySQL for example supports the (non-standard) group_concat function. So you could write:
SELECT GROUP_CONCAT(ModuleValue) FROM Table_X WHERE ModuleID=@ModuleID
Group-concat is not available at all database servers though.
Using @extend is a fine solution, but be aware that the compiled css will break up the class definition. Any classes that extends the same placeholder will be grouped together and the rules that aren't extended in the class will be in a separate definition. If several classes become extended, it can become unruly to look up a selector in the compiled css or the dev tools. Whereas a mixin will duplicate the mixin code and add any additional styles.
You can see the difference between @extend and @mixin in this sassmeister
I've located a solution that worked better for me, and which has the advantage of being usable with several images (case not illustrated in this example).
From @adeneo's answer on this question :
If you have an element with a background image, like this
<div id="test" style="background-image: url(link/to/image.png)"><div>
You can wait for the background to load by getting the image URL and using it for an image object in javascript with an onload handler
var src = $('#test').css('background-image'); var url = src.match(/\((.*?)\)/)[1].replace(/('|")/g,''); var img = new Image(); img.onload = function() { alert('image loaded'); } img.src = url; if (img.complete) img.onload();
In my case I was dealing with SpringBoot project and I got the same exception.
Solution is made by adding env.properties file into classpath (i.e. src/main/resource folder). What was making the issue is that in log4j configuration there was property like
<Property name="basePath">${bundle:env:log.file.path}</Property>
May be this could help
<script type="text/javascript" language="javascript">
function AddDays(toAdd) {
if (!toAdd || toAdd == '' || isNaN(toAdd)) return;
var d = new Date();
d.setDate(d.getDate() + parseInt(toAdd));
document.getElementById("result").innerHTML = d.getDate() + "/" + d.getMonth() + "/" + d.getFullYear();
}
function SubtractDays(toAdd) {
if (!toAdd || toAdd == '' || isNaN(toAdd)) return;
var d = new Date();
d.setDate(d.getDate() - parseInt(toAdd));
document.getElementById("result").innerHTML = d.getDate() + "/" + d.getMonth() + "/" + d.getFullYear();
}
</script>
---------------------- UI ---------------
<div id="result">
</div>
<input type="text" value="0" onkeyup="AddDays(this.value);" />
<input type="text" value="0" onkeyup="SubtractDays(this.value);" />
How about mkString ?
theStrings.mkString(",")
A variant exists in which you can specify a prefix and suffix too.
See here for an implementation using foldLeft, which is much more verbose, but perhaps worth looking at for education's sake.
An alternative solution is to disable the AOT compiler:
ng build --prod --aot false
- What is the difference between connection and read timeout for sockets?
The connection timeout is the timeout in making the initial connection; i.e. completing the TCP connection handshake. The read timeout is the timeout on waiting to read data1. If the server (or network) fails to deliver any data <timeout> seconds after the client makes a socket read
call, a read timeout error will be raised.
- What does connection timeout set to "infinity" mean? In what situation can it remain in an infinitive loop? and what can trigger that the infinity-loop dies?
It means that the connection attempt can potentially block for ever. There is no infinite loop, but the attempt to connect can be unblocked by another thread closing the socket. (A Thread.interrupt()
call may also do the trick ... not sure.)
- What does read timeout set to "infinity" mean? In what situation can it remain in an infinite loop? What can trigger that the infinite loop to end?
It means that a call to read
on the socket stream may block for ever. Once again there is no infinite loop, but the read
can be unblocked by a Thread.interrupt()
call, closing the socket, and (of course) the other end sending data or closing the connection.
1 - It is not ... as one commenter thought ... the timeout on how long a socket can be open, or idle.
This was working for me so Try This: $ad->getcodes()->distinct('pid')->count()
Follow this easy steps. I am currently running XAMPP on PHP 7.2 but needs PHP 5.6 to work on old projects
STEP 1
Download Thread Safe version of PHP on https://windows.php.net/download
Put files on your [Drive]:\xampp\php5.6
STEP 2
Copy [Drive]:\xampp\apache\conf\extra\httpd-xampp.conf
Rename it to [Drive]:\xampp\apache\conf\extra\httpd-xampp5.6.confRename the file depending on Php version
STEP 3
Edit the newly created 'httpd-xampp5.6.conf'
basically you need to change All the PHP source and .dll
Before
LoadFile "C:/xampp/php/php7ts.dll"
LoadFile "C:/xampp/php/libpq.dll"
LoadModule php7_module "C:/xampp/php/php7apache2_4.dll"
After
LoadFile "C:/xampp/php5.6/php5ts.dll"
LoadFile "C:/xampp/php5.6/libpq.dll"
LoadModule php5_module "C:/xampp/php5.6/php5apache2_4.dll"
Here is my file: https://gist.github.com/mpalencia/f8a20c31bffb02fe20d371218c23d1ec
STEP 4
Edit the file [Drive]:\xampp\apache\conf\httpd.conf
Before
# XAMPP settings
Include "conf/extra/httpd-xampp.conf"
After
# XAMPP settings
Include "conf/extra/httpd-xampp5.6.conf"
STEP 5
Edit your PHP 5.6 configuration - php.ini
Add you extension directory: extension_dir = "C:\xampp\php5.6\ext"
STEP 6
Start Apache
STEP 7
Edit PHP environment variable path on Windows
On OS X, where date
does not support the %N
flag, I recommend installing coreutils
using Homebrew. This will give you access to a command called gdate
that will behave as date
does on Linux systems.
brew install coreutils
For a more "native" experience, you can always add this to your .bash_aliases
:
alias date='gdate'
Then execute
$ date +%s%N
I found a interesting library on npm that might be of some use to you. It's called mime(npm install mime
or https://github.com/broofa/node-mime) and it can determine the mime type of a file. Here's an example of a webserver I wrote using it:
var mime = require("mime"),http = require("http"),fs = require("fs");
http.createServer(function (req, resp) {
path = unescape(__dirname + req.url)
var code = 200
if(fs.existsSync(path)) {
if(fs.lstatSync(path).isDirectory()) {
if(fs.existsSync(path+"index.html")) {
path += "index.html"
} else {
code = 403
resp.writeHead(code, {"Content-Type": "text/plain"});
resp.end(code+" "+http.STATUS_CODES[code]+" "+req.url);
}
}
resp.writeHead(code, {"Content-Type": mime.lookup(path)})
fs.readFile(path, function (e, r) {
resp.end(r);
})
} else {
code = 404
resp.writeHead(code, {"Content-Type":"text/plain"});
resp.end(code+" "+http.STATUS_CODES[code]+" "+req.url);
}
console.log("GET "+code+" "+http.STATUS_CODES[code]+" "+req.url)
}).listen(9000,"localhost");
console.log("Listening at http://localhost:9000")
This will serve any regular text or image file (.html, .css, .js, .pdf, .jpg, .png, .m4a and .mp3 are the extensions I've tested, but it theory it should work for everything)
Here is an example of output that I got with it:
Listening at http://localhost:9000
GET 200 OK /cloud
GET 404 Not Found /cloud/favicon.ico
GET 200 OK /cloud/icon.png
GET 200 OK /
GET 200 OK /501.png
GET 200 OK /cloud/manifest.json
GET 200 OK /config.log
GET 200 OK /export1.png
GET 200 OK /Chrome3DGlasses.pdf
GET 200 OK /cloud
GET 200 OK /-1
GET 200 OK /Delta-Vs_for_inner_Solar_System.svg
Notice the unescape
function in the path construction. This is to allow for filenames with spaces and encoded characters.
You have many flavor, so it mean you will have many difference package id, right? So, just go to the page where you setup/generate your json file and config for each package name. All of it will add to json file.
I'm verry lazy to post picture now, but basically:
When config the file, you can see that google show you the Server API Key + Sender ID. And it is same for all package (flavors)
At the end, you just need only one json file for all flavors.
One more question here that you have to test when you register to get Registration Token, check if is difference for each flavor. I don't touch on it but it think it should be difference. Too late now and i so sleepy :) Hope it help!
You can try the cases
env in amsmath.
\documentclass{article}
\usepackage{amsmath}
\begin{document}
\begin{equation}
f(x)=\begin{cases}
1, & \text{if $x<0$}.\\
0, & \text{otherwise}.
\end{cases}
\end{equation}
\end{document}
I believe that using a combination of interfaces and base classes could work for you. It will enforce behavioral requirements at compile time (rq_ post "below" refers to a post above, which is not this one).
The interface sets the behavioral API that isn't met by the base class. You will not be able to set base class methods to call on methods defined in the interface (because you will not be able to implement that interface in the base class without having to define those behaviors). Maybe someone can come up with a safe trick to allow calling of the interface methods in the parent.
You have to remember to extend and implement in the class you will instantiate. It satisfies concerns about defining runtime-fail code. You also won't even be able to call the methods that would puke if you haven't implemented the interface (such as if you try to instantiate the Animal class). I tried having the interface extend the BaseAnimal below, but it hid the constructor and the 'name' field of BaseAnimal from Snake. If I had been able to do that, the use of a module and exports could have prevented accidental direct instantiation of the BaseAnimal class.
Paste this in here to see if it works for you: http://www.typescriptlang.org/Playground/
// The behavioral interface also needs to extend base for substitutability
interface AbstractAnimal extends BaseAnimal {
// encapsulates animal behaviors that must be implemented
makeSound(input : string): string;
}
class BaseAnimal {
constructor(public name) { }
move(meters) {
alert(this.name + " moved " + meters + "m.");
}
}
// If concrete class doesn't extend both, it cannot use super methods.
class Snake extends BaseAnimal implements AbstractAnimal {
constructor(name) { super(name); }
makeSound(input : string): string {
var utterance = "sssss"+input;
alert(utterance);
return utterance;
}
move() {
alert("Slithering...");
super.move(5);
}
}
var longMover = new Snake("windy man");
longMover.makeSound("...am I nothing?");
longMover.move();
var fulture = new BaseAnimal("bob fossil");
// compile error on makeSound() because it is not defined.
// fulture.makeSound("you know, like a...")
fulture.move(1);
I came across FristvanCampen's answer as linked below. He says abstract classes are an anti-pattern, and suggests that one instantiate base 'abstract' classes using an injected instance of an implementing class. This is fair, but there are counter arguments made. Read for yourself: https://typescript.codeplex.com/discussions/449920
Part 2: I had another case where I wanted an abstract class, but I was prevented from using my solution above, because the defined methods in the "abstract class" needed to refer to the methods defined in the matching interface. So, I tool FristvanCampen's advice, sort of. I have the incomplete "abstract" class, with method implementations. I have the interface with the unimplemented methods; this interface extends the "abstract" class. I then have a class that extends the first and implements the second (it must extend both because the super constructor is inaccessible otherwise). See the (non-runnable) sample below:
export class OntologyConceptFilter extends FilterWidget.FilterWidget<ConceptGraph.Node, ConceptGraph.Link> implements FilterWidget.IFilterWidget<ConceptGraph.Node, ConceptGraph.Link> {
subMenuTitle = "Ontologies Rendered"; // overload or overshadow?
constructor(
public conceptGraph: ConceptGraph.ConceptGraph,
graphView: PathToRoot.ConceptPathsToRoot,
implementation: FilterWidget.IFilterWidget<ConceptGraph.Node, ConceptGraph.Link>
){
super(graphView);
this.implementation = this;
}
}
and
export class FilterWidget<N extends GraphView.BaseNode, L extends GraphView.BaseLink<GraphView.BaseNode>> {
public implementation: IFilterWidget<N, L>
filterContainer: JQuery;
public subMenuTitle : string; // Given value in children
constructor(
public graphView: GraphView.GraphView<N, L>
){
}
doStuff(node: N){
this.implementation.generateStuff(thing);
}
}
export interface IFilterWidget<N extends GraphView.BaseNode, L extends GraphView.BaseLink<GraphView.BaseNode>> extends FilterWidget<N, L> {
generateStuff(node: N): string;
}
better solution is to use pool - ill handle this for you.
const pool = mysql.createPool({_x000D_
host: 'localhost',_x000D_
user: '--',_x000D_
database: '---',_x000D_
password: '----'_x000D_
});_x000D_
_x000D_
// ... later_x000D_
pool.query('select 1 + 1', (err, rows) => { /* */ });
_x000D_
RJSONIO from Omegahat is another package which provides facilities for reading and writing data in JSON format.
rjson does not use S4/S3 methods and so is not readily extensible, but still useful. Unfortunately, it does not used vectorized operations and so is too slow for non-trivial data. Similarly, for reading JSON data into R, it is somewhat slow and so does not scale to large data, should this be an issue.
Update (new Package 2013-12-03):
jsonlite: This package is a fork of the RJSONIO
package. It builds on the parser from RJSONIO
but implements a different mapping between R objects and JSON strings. The C code in this package is mostly from the RJSONIO
Package, the R code has been rewritten from scratch. In addition to drop-in replacements for fromJSON
and toJSON
, the package has functions to serialize objects. Furthermore, the package contains a lot of unit tests to make sure that all edge cases are encoded and decoded consistently for use with dynamic data in systems and applications.
Quite often the issue is a non-breaking space - CHAR(160)
- especially from Web text sources -that CLEAN
can't remove, so I would go a step further than this and try a formula like this which replaces any non-breaking spaces with a standard one
=TRIM(CLEAN(SUBSTITUTE(A1,CHAR(160)," ")))
Ron de Bruin has an excellent post on tips for cleaning data here
You can also remove the CHAR(160)
directly without a workaround formula by
ALT
and type 0160
using the numeric keypadMarc Gravells answer was right for me but my xsd was with extension of .xml. When I used xsd program it gave :
- The table (Amt) cannot be the child table to itself in nested relations.
As per this KB325695 I renamed extension from .xml to .xsd and it worked fine.
GNU find
find /path -type f -name "*.py" -exec md5sum "{}" +;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
//private void Form1_Load(object sender, EventArgs e)
//{
// // Instantiate a new instance of Form1.
// Form1 f1 = new Form1();
// f1.Text = "zzzzzzz";
//}
}
class MainApplication
{
public static void Main()
{
// Instantiate a new instance of Form1.
Form1 f1 = new Form1();
// Display a messagebox. This shows the application
// is running, yet there is nothing shown to the user.
// This is the point at which you customize your form.
System.Windows.Forms.MessageBox.Show("The application "
+ "is running now, but no forms have been shown.");
// Customize the form.
f1.Text = "Running Form";
// Show the instance of the form modally.
f1.ShowDialog();
}
}
}
Yes, bigger than 60x60 are supported. For simplicity, create icons of these 4 sizes:
1) 60x60 <= default
2) 76x76
3) 120x120
4) 152x152
Now, it's preferable to add them as links in your HTML as:
<link rel="apple-touch-icon" href="touch-icon-iphone.png">
<link rel="apple-touch-icon" sizes="76x76" href="touch-icon-ipad.png">
<link rel="apple-touch-icon" sizes="120x120" href="touch-icon-iphone-retina.png">
<link rel="apple-touch-icon" sizes="152x152" href="touch-icon-ipad-retina.png">
You can choose to not declare the 4 links above but just declare a single link, in which case give the highest size of 152x152
or even a size higher than that, say 196x196
. It will always trim down the size for re-purposing. Ensure you mention the size
.
You can also choose not to declare even a single link. Apple mentions that in this scenario, it will lookup the server root first for the size immediately higher that the size it wants (naming format: apple-touch-icon-<size>.png
), and if that's not found then it will next look for the default file:
apple-touch-icon.png
. It's preferable that you define the link(s) as that will minimize the browser querying your server.
Icon necessities:
- use PNG, avoid interlaced
- use 24-bit PNG
- not necessary to use web-safe colors
In versions older than iOS 7, if you don't want it to add effects to your icons, then just add the suffix -precomposed.png
to the file name. (iOS 7 doesn't add effects even without it).
After making the id
unique across the document
,You have to use event delegation
$("#container").on("click", "buttonid", function () {
alert("Hi");
});
Add-ons:If you want for eg: /users as application base for router and /public as base for assets use
$ ng build -prod --base-href /users --deploy-url /public
You can get it at PuTTY: Extreme Makeover Using PuTTY Connection Manager.
When FIND
returns #VALUE!
, it is an error, not a string, so you can't compare FIND(...)
with "#VALUE!"
, you need to check if FIND
returns an error with ISERROR
. Also FIND
can work on multiple characters.
So a simplified and working version of your formula would be:
=IF(ISERROR(FIND("abc",A1))=FALSE, "Green", IF(ISERROR(FIND("xyz",A1))=FALSE, "Yellow", "Red"))
Or, to remove the double negations:
=IF(ISERROR(FIND("abc",A1)), IF(ISERROR(FIND("xyz",A1)), "Red", "Yellow"),"Green")
There is plenty of good answer to this question. Just gonna drop another one into the basket if you wish to do it with lolcat
lolcat FileName.csv | head -n 1
Since I can not comment because of not having enough reward points I have to answer to correct answer given by @Burhan Khalid.
In very layman language Enter key press is combination of carriage return and line feed.
Carriage return points the cursor to the beginning of the line horizontly and Line feed shifts the cursor to the next line vertically.Combination of both gives you new line(\n) effect.
Reference - https://en.wikipedia.org/wiki/Carriage_return#Computers
subset()
is also useful:
subset(DATAFRAME, COLUMNNAME == "")
For a survey package, maybe the survey
package is pertinent?
In order to understand the use of curly braces in import
statements, first, you have to understand the concept of destructuring introduced in ES6
Object destructuring
var bodyBuilder = {
firstname: 'Kai',
lastname: 'Greene',
nickname: 'The Predator'
};
var {firstname, lastname} = bodyBuilder;
console.log(firstname, lastname); // Kai Greene
firstname = 'Morgan';
lastname = 'Aste';
console.log(firstname, lastname); // Morgan Aste
Array destructuring
var [firstGame] = ['Gran Turismo', 'Burnout', 'GTA'];
console.log(firstGame); // Gran Turismo
Using list matching
var [,secondGame] = ['Gran Turismo', 'Burnout', 'GTA'];
console.log(secondGame); // Burnout
Using the spread operator
var [firstGame, ...rest] = ['Gran Turismo', 'Burnout', 'GTA'];
console.log(firstGame);// Gran Turismo
console.log(rest);// ['Burnout', 'GTA'];
Now that we've got that out of our way, in ES6 you can export multiple modules. You can then make use of object destructuring like below.
Let's assume you have a module called module.js
export const printFirstname(firstname) => console.log(firstname);
export const printLastname(lastname) => console.log(lastname);
You would like to import the exported functions into index.js
;
import {printFirstname, printLastname} from './module.js'
printFirstname('Taylor');
printLastname('Swift');
You can also use different variable names like so
import {printFirstname as pFname, printLastname as pLname} from './module.js'
pFname('Taylor');
pLanme('Swift');
Here is Nice Solution for macOs And It works for me :
keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64
Here key store password should be android . Thanks
You can do it programmatically by reading the java
system properties
@Test
public void javaVersion() {
System.out.println(System.getProperty("java.version"));
System.out.println(System.getProperty("java.runtime.version"));
System.out.println(System.getProperty("java.home"));
System.out.println(System.getProperty("java.vendor"));
System.out.println(System.getProperty("java.vendor.url"));
System.out.println(System.getProperty("java.class.path"));
}
This will output somthing like
1.7.0_17
1.7.0_17-b02
C:\workspaces\Oracle\jdk1.7\jre
Oracle Corporation
http://java.oracle.com/
C:\workspaces\Misc\Miscellaneous\bin; ...
The first line shows the version number. You can parse it an see whether it fits your minimun required java version or not. You can find a description for the naming convention here and more infos here.
Solved in my case, i look at
sudo tail -f /var/log/nginx/error.log
and error is php5-fpm.sock not found
I look at sudo ls -lah /var/run/
there was no php5-fpm.sock
I edit the www.conf
sudo vim /etc/php5/fpm/pool.d/www.conf
change
listen = 127.0.0.1:9000
for
listen = /var/run/php5-fpm.sock
and reboot
I think this is more readable given the intent:
$('someTableSelector').children( 'tr:not(:first)' ).remove();
Using children also takes care of the case where the first row contains a table by limiting the depth of the search.
If you had an TBODY element, you can do this:
$("someTableSelector > tbody:last").children().remove();
If you have THEAD or TFOOT elements you'll need to do something different.
I've fixed this…by simply opening a new tab.
Why it wasn't working I'm not entirely sure, but it could have something to do with how Chrome deals with multiple downloads on a page, perhaps it thought they were spam and just ignored them.
The short answer is yes the "new" keyword is incredibly important as when you use it the object data is stored on the heap as opposed to the stack, which is most important!
Go to the source! Grady Booch says (in Object Oriented Analysis and Design, page 49, second edition):
Abstraction and encapsulation are complementary concepts: abstraction focuses on the observable behavior of an object... encapsulation focuses upon the implementation that gives rise to this behavior... encapsulation is most often achieved through information hiding, which is the process of hiding all of the secrets of object that do not contribute to its essential characteristics.
In other words: abstraction = the object externally; encapsulation (achieved through information hiding) = the object internally,
Example:
In the .NET Framework, the System.Text.StringBuilder
class provides an abstraction over a string buffer. This buffer abstraction lets you work with the buffer without regard for its implementation. Thus, you're able to append strings to the buffer without regard for how the StringBuilder
internally keeps track of things such the pointer to the buffer and managing memory when the buffer gets full (which it does with encapsulation via information hiding).
rp
If you just want to update the property on all elements then
someList.All(x => { x.SomeProp = "foo"; return true; })
Instead of using any 3rd party library for query operations, I would rather suggest writing queries on your own. Because using any other 3rd party packages would take away the main advantage of using dapper i.e. flexibility to write queries.
Now, there is a problem with writing Insert or Update query for the entire object. For this, one can simply create helpers like below:
InsertQueryBuilder:
public static string InsertQueryBuilder(IEnumerable < string > fields) {
StringBuilder columns = new StringBuilder();
StringBuilder values = new StringBuilder();
foreach(string columnName in fields) {
columns.Append($ "{columnName}, ");
values.Append($ "@{columnName}, ");
}
string insertQuery = $ "({ columns.ToString().TrimEnd(',', ' ')}) VALUES ({ values.ToString().TrimEnd(',', ' ')}) ";
return insertQuery;
}
Now, by simply passing the name of the columns to insert, the whole query will be created automatically, like below:
List < string > columns = new List < string > {
"UserName",
"City"
}
//QueryBuilder is the class having the InsertQueryBuilder()
string insertQueryValues = QueryBuilderUtil.InsertQueryBuilder(columns);
string insertQuery = $ "INSERT INTO UserDetails {insertQueryValues} RETURNING UserId";
Guid insertedId = await _connection.ExecuteScalarAsync < Guid > (insertQuery, userObj);
You can also modify the function to return the entire INSERT statement by passing the TableName parameter.
Make sure that the Class property names match with the field names in the database. Then only you can pass the entire obj (like userObj in our case) and values will be mapped automatically.
In the same way, you can have the helper function for UPDATE query as well:
public static string UpdateQueryBuilder(List < string > fields) {
StringBuilder updateQueryBuilder = new StringBuilder();
foreach(string columnName in fields) {
updateQueryBuilder.AppendFormat("{0}=@{0}, ", columnName);
}
return updateQueryBuilder.ToString().TrimEnd(',', ' ');
}
And use it like:
List < string > columns = new List < string > {
"UserName",
"City"
}
//QueryBuilder is the class having the UpdateQueryBuilder()
string updateQueryValues = QueryBuilderUtil.UpdateQueryBuilder(columns);
string updateQuery = $"UPDATE UserDetails SET {updateQueryValues} WHERE UserId=@UserId";
await _connection.ExecuteAsync(updateQuery, userObj);
Though in these helper functions also, you need to pass the name of the fields you want to insert or update but at least you have full control over the query and can also include different WHERE clauses as and when required.
Through this helper functions, you will save the following lines of code:
For Insert Query:
$ "INSERT INTO UserDetails (UserName,City) VALUES (@UserName,@City) RETURNING UserId";
For Update Query:
$"UPDATE UserDetails SET UserName=@UserName, City=@City WHERE UserId=@UserId";
There seems to be a difference of few lines of code, but when it comes to performing insert or update operation with a table having more than 10 fields, one can feel the difference.
You can use the nameof operator to pass the field name in the function to avoid typos
Instead of:
List < string > columns = new List < string > {
"UserName",
"City"
}
You can write:
List < string > columns = new List < string > {
nameof(UserEntity.UserName),
nameof(UserEntity.City),
}
Yes, the Map
constructor takes an array of key-value pairs.
Object.entries
is a new Object static method available in ES2017 (19.1.2.5).
const map = new Map(Object.entries({foo: 'bar'}));
map.get('foo'); // 'bar'
It's currently implemented in Firefox 46+ and Edge 14+ and newer versions of Chrome
If you need to support older environments and transpilation is not an option for you, use a polyfill, such as the one recommended by georg:
Object.entries = typeof Object.entries === 'function' ? Object.entries : obj => Object.keys(obj).map(k => [k, obj[k]]);
I can provide two ways,
a.jsp,
<html>
<script language="javascript" type="text/javascript">
function call(){
var name = "xyz";
window.location.replace("a.jsp?name="+name);
}
</script>
<input type="button" value="Get" onclick='call()'>
<%
String name=request.getParameter("name");
if(name!=null){
out.println(name);
}
%>
</html>
b.jsp,
<script>
var v="xyz";
</script>
<%
String st="<script>document.writeln(v)</script>";
out.println("value="+st);
%>
I realize this is a pretty old question, however I am using an html multiple file selection upload to queue any number of files which can be selectively removed in a custom UI before submitting.
Save files in a variable like this:
let uploadedFiles = [];
//inside DOM file select "onChange" event
let selected = e.target.files[0] ? e.target.files : [];
uploadedFiles = [...uploadedFiles , ...selected ];
createElements();
Create UI with "remove a file":
function createElements(){
uploadedFiles.forEach((f,i) => {
//remove DOM elements and re-create them here
/* //you can show an image like this:
* let reader = new FileReader();
* reader.onload = function (e) {
* let url = e.target.result;
* // create <img src=url />
* };
* reader.readAsDataURL(f);
*/
element.addEventListener("click", function () {
uploadedFiles.splice(i, 1);
createElements();
});
}
}
Submit to server:
let fd = new FormData();
uploadedFiles.forEach((f, i) => {
fd.append("files[]", f);
});
fetch("yourEndpoint", {
method: "POST",
body: fd,
headers: {
//do not set Content-Type
}
}).then(...)
Following worked for me:
<context:property-placeholder location="file:src/resources/spring/AppController.properties"/>
Somehow "classpath:xxx" is not picking the file.
Try the following parameter:
-nc
,--no-clobber
: skip downloads that would download to existing files.
Sample usage:
wget -nc http://example.com/pic.png
I want to produce a complementary answer of nacho-soriano's solution ...
I recently search to solve a problem where a Java written application (a Talend ELT job in fact) want to connect to an Oracle database (11g and over) then randomly fail. OS is both RedHat Enterprise and CentOS. Job run very quily in time (no more than half a minute) and occur very often (approximately one run each 5 minutes).
Some times, during night-time as work-time, during database intensive-work usage as lazy work usage, in just a word randomly, connection fail with this message:
Exception in component tOracleConnection_1
java.sql.SQLRecoverableException: Io exception: Connection reset
at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:101)
at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:112)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:173)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:229)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:458)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:411)
at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:490)
at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:202)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:465)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:208)
and StackTrace follow ...
As detailed here
Oracle connection needs some random numbers to assume a good level of security. Linux random number generator produce some numbers bases keyboard and mouse activity (among others) and place them in a stack. You will grant me, on a server, there is not a big amount of such activity. So it can occur that softwares use more random number than generator can produce.
When the pool is empty, reads from /dev/random will block until additional environmental noise is gathered. And Oracle connection fall in timeout (60 seconds by default).
The solution is to give add two parameters given to the JVM while starting:
-Djava.security.egd=file:/dev/./urandom
-Dsecurerandom.source=file:/dev/./urandom
Note: the '/./' is important, do not drop it !
So the launch command line could be:
java -Djava.security.egd=file:/dev/./urandom -Dsecurerandom.source=file:/dev/./urandom -cp <classpath directives> appMainClass <app options and parameters>
One drawback of this solution is that numbers generated are a little less secure as randomness is impacted. If you don't work in a military or secret related industry this solution can be your.
As explained here
Both directives given in solution 1 can be put in Java security setting file.
Take a look at $JAVA_HOME/jre/lib/security/java.security
Change the line
securerandom.source=file:/dev/random
to
securerandom.source=file:/dev/urandom
Change is effective immediately for new running applications.
As for solution #1, one drawback of this solution is that numbers generated are a little less secure as randomness is impacted. This time, it's a global JVM impact. As for solution #1, if you don't work in a military or secret related industry this solution can be your.
We ideally should use "file:/dev/./urandom" after Java 5 as previous path will again point to /dev/random.
Reported Bug : https://bugs.openjdk.java.net/browse/JDK-6202721
Disclamer: I'm not linked to any of hardware vendor or product ...
If your need is to reach a high quality randomness level, you can replace your Linux random number generator software by a piece of hardware.
Some information are available here.
Regards
Thomas
I know this is weird but when I changed GetMapping to PostMapping for both client and server side the error disappeared.
Both client and server are Spring boot projects.
My solution that works for me for multiline ellipsis:
.crd-para {
color: $txt-clr-main;
line-height: 2rem;
font-weight: 600;
margin-bottom: 1rem !important;
overflow: hidden;
span::after {
content: "...";
padding-left: 0.125rem;
}
}
I think the shortcut that you're looking for is:
Ctrl+Shift+R on Windows and Linux/Ubuntu
Cmd+Shift+R on Mac OS X
ref: source
Try with:
select TO_CHAR(dates,'dd/MM/yyy hh24:mi') from ( SELECT min (TO_DATE(a.PAYM_DATE)) as dates from user_payment a )
it could be not the answer for this case, but as I had the same error-message with .to_csv
I tried .toCSV('name.csv')
and the error-message was different ("SparseDataFrame' object has no attribute 'toCSV'
). So the problem was solved by turning dataframe to dense dataframe
df.to_dense().to_csv("submission.csv", index = False, sep=',', encoding='utf-8')
Your problem arises from the fact that $i
has a blank value when your statement fails. Always quote your variables when performing comparisons if there is the slightest chance that one of them may be empty, e.g.:
if [ "$i" -ge 2 ] ; then
...
fi
This is because of how the shell treats variables. Assume the original example,
if [ $i -ge 2 ] ; then ...
The first thing that the shell does when executing that particular line of code is substitute the value of $i
, just like your favorite editor's search & replace function would. So assume that $i
is empty or, even more illustrative, assume that $i
is a bunch of spaces! The shell will replace $i
as follows:
if [ -ge 2 ] ; then ...
Now that variable substitutions are done, the shell proceeds with the comparison and.... fails because it cannot see anything intelligible to the left of -gt
. However, quoting $i
:
if [ "$i" -ge 2 ] ; then ...
becomes:
if [ " " -ge 2 ] ; then ...
The shell now sees the double-quotes, and knows that you are actually comparing four blanks to 2 and will skip the if
.
You also have the option of specifying a default value for $i
if $i
is blank, as follows:
if [ "${i:-0}" -ge 2 ] ; then ...
This will substitute the value 0 instead of $i
is $i
is undefined. I still maintain the quotes because, again, if $i
is a bunch of blanks then it does not count as undefined, it will not be replaced with 0, and you will run into the problem once again.
Please read this when you have the time. The shell is treated like a black box by many, but it operates with very few and very simple rules - once you are aware of what those rules are (one of them being how variables work in the shell, as explained above) the shell will have no more secrets for you.
Menu: You can toggle the visibility of the white space characters from the menu: Edit > Advanced > View White Space.
Button:
If you want to add the button to a toolbar, it is called Toggle Visual Space
in the command category "Edit".
The actual command name is: Edit.ViewWhiteSpace
.
Keyboard Shortcut:
In Visual Studio 2015, 2017 and 2019 the default keyboard shortcut still is CTRL+R, CTRL+W
Type one after the other.
All default shortcuts
Extension:
There is a minimal extension adding the displaying of end-of-line characters (LF and CR) to the visual white space mode, as you would expect. Additionally it supplies buttons and short-cuts to modify all line-endings in a document, or a selection.
VisualStudio gallery: End of the Line
Note: Since Visual Studio 2017 there is no option in the File-menu called Advanced Save Options
. Changing the encoding and line-endings for a file can be done using Save File As ...
and clicking the down-arrow on the right side of the save-button. This shows the option Save with Encoding
. You'll be asked permission to overwrite the current file.
Here is a good tutorial with code. Let me know if it works for you! This is also a good tutorial.
EDIT
In This example, all you need to do is add this line:
gallery.setSelection(1);
after setting the adapter to gallery object, that is this line:
gallery.setAdapter(new ImageAdapter(this));
UPDATE1
Alright, I got your problem. This open source library is your solution. I also have used it for one of my projects. Hope this will solve your problem finally.
UPDATE2:
I would suggest you to go through this tutorial. You might get idea. I think I got your problem, you want the horizontal scrollview with snap. Try to search with that keyword on google or out here, you might get your solution.
You can just substract two date objects.
var d1 = new Date(); //"now"
var d2 = new Date("2011/02/01") // some date
var diff = Math.abs(d1-d2); // difference in milliseconds
a = " ".join(str(i) for i in range(10, 0, -1))
print (a)
I would use the get_cmap method. Ex.:
import matplotlib.pyplot as plt
plt.imshow(matrix, cmap=plt.get_cmap('gray'))
I recommend PyInstaller, a simple python script can be converted to an exe with the following commands:
utils/Makespec.py [--onefile] oldlogs.py
which creates a yourprogram.spec file which is a configuration for building the final exe. Next command builds the exe from the configuration file:
utils/Build.py oldlogs.spec
More can be found here
Assuming that all your inputs are lists and that the double quotes in the input actually don't matter, this can be done with a simple regexp replace. It is a bit perl-y but works like a charm. Note also that the output is now a list of unicode strings, you didn't specify that you needed that, but it seems to make sense given unicode input.
import re
x = u'[ "A","B","C" , " D"]'
junkers = re.compile('[[" \]]')
result = junkers.sub('', x).split(',')
print result
---> [u'A', u'B', u'C', u'D']
The junkers variable contains a compiled regexp (for speed) of all characters we don't want, using ] as a character required some backslash trickery. The re.sub replaces all these characters with nothing, and we split the resulting string at the commas.
Note that this also removes spaces from inside entries u'["oh no"]' ---> [u'ohno']. If this is not what you wanted, the regexp needs to be souped up a bit.
var tooLong = document.getElementById("longText").value;
if (tooLong.length() > 18){
$('#longText').css('text-overflow', 'ellipsis');
}
Typically this is the directory where your app (java) was started (working dir). "Typically" because it can be changed, eg when you run an app with Runtime.exec(String[] cmdarray, String[] envp, File dir)
This is the script I use. A bit tricky but it works. Tested on SQL Server 2012.
DECLARE @backupPath nvarchar(400);
DECLARE @sourceDb nvarchar(50);
DECLARE @sourceDb_log nvarchar(50);
DECLARE @destDb nvarchar(50);
DECLARE @destMdf nvarchar(100);
DECLARE @destLdf nvarchar(100);
DECLARE @sqlServerDbFolder nvarchar(100);
SET @sourceDb = 'db1'
SET @sourceDb_log = @sourceDb + '_log'
SET @backupPath = 'E:\tmp\' + sourceDb + '.bak' --ATTENTION: file must already exist and SQL Server must have access to it
SET @sqlServerDbFolder = 'E:\DB SQL\MSSQL11.MSSQLSERVER\MSSQL\DATA\'
SET @destDb = 'db2'
SET @destMdf = @sqlServerDbFolder + @destDb + '.mdf'
SET @destLdf = @sqlServerDbFolder + @destDb + '_log' + '.ldf'
BACKUP DATABASE @sourceDb TO DISK = @backupPath
RESTORE DATABASE @destDb FROM DISK = @backupPath
WITH REPLACE,
MOVE @sourceDb TO @destMdf,
MOVE @sourceDb_log TO @destLdf
To me this is just one of many idiosyncracies (emphasis on the idio(t) ) of typescript that causes people to pull out their hair and curse the developers. Maybe they could work on coming up with more understandable error messages.
I think I may have found a fairly simple solution. The problem is that the hash in the URL is also an element on the page that you get scrolled to. if I just prepend some text to the hash, now it no longer references an existing element!
$(function(){
//This emulates a click on the correct button on page load
if(document.location.hash){
$("#buttons li a").removeClass('selected');
s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:","");
eval(s);
}
//Click a button to change the hash
$("#buttons li a").click(function(){
$("#buttons li a").removeClass('selected');
$(this).addClass('selected');
document.location.hash="btn_"+$(this).attr("id")
//return false;
});
});
Now the URL appears as page.aspx#btn_elementID
which is not a real ID on the page. I just remove "btn_" and get the actual element ID
If you're using any Mac OS X version which has Notification Center, you can use the terminal-notifier gem. First install it (you may need sudo
):
gem install terminal-notifier
and then simply:
terminal-notifier -message "Hello, this is my message" -title "Message Title"
See also this OS X Daily post.
Once I also got that same type of error.
I.E:
C:\oracle\product\10.2.0\db_2>SQLPLUS SYS AS SYSDBA
Error 6 initializing SQL*Plus
Message file sp1<lang>.msb not found
SP2-0750: You may need to set ORACLE_HOME to your Oracle software directory
This error is occurring as the home path is not correctly set. To rectify this, if you are using Windows, run the below query:
C:\oracle\product\10.2.0\db_2>SET ORACLE_HOME=C:\oracle\product\10.2.0\db_2
C:\oracle\product\10.2.0\db_2>SQLPLUS SYS AS SYSDBA
SQL*Plus: Release 10.2.0.3.0 - Production on Tue Apr 16 13:17:42 2013
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
Or if you are using Linux, then replace set
with export
for the above command like so:
C:\oracle\product\10.2.0\db_2>EXPORT ORACLE_HOME='C:\oracle\product\10.2.0\db_2'
C:\oracle\product\10.2.0\db_2>SQLPLUS SYS AS SYSDBA
SQL*Plus: Release 10.2.0.3.0 - Production on Tue Apr 16 13:17:42 2013
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
You can split the string and compare with each character
public static String extractNumberFromString(String source) {
StringBuilder result = new StringBuilder(100);
for (char ch : source.toCharArray()) {
if (ch >= '0' && ch <= '9') {
result.append(ch);
}
}
return result.toString();
}
Testing Code
@Test
public void test_extractNumberFromString() {
String numberString = NumberUtil.extractNumberFromString("+61 415 987 636");
assertThat(numberString, equalTo("61415987636"));
numberString = NumberUtil.extractNumberFromString("(02)9295-987-636");
assertThat(numberString, equalTo("029295987636"));
numberString = NumberUtil.extractNumberFromString("(02)~!@#$%^&*()+_<>?,.:';9295-{}[=]987-636");
assertThat(numberString, equalTo("029295987636"));
}
The PDB file is a Visual Studio specific file that has the debugging symbols for your project. You can ignore those messages, unless you're hoping to step into the code for those dlls with the debugger (which is doubtful, as those are system dlls). In other words, you can and should ignore them, as you won't have the PDB files for any of those dlls (by default at least, it turns out you can actually obtain them when debugging via the Microsoft Symbol Server). All it means is that when you set a breakpoint and are stepping through the code, you won't be able to step into any of those dlls (which you wouldn't want to do anyways).
Just for completeness, here's the official PDB description from MSDN:
A program database (PDB) file holds debugging and project state information that allows incremental linking of a Debug configuration of your program. A PDB file is created when you compile a C/C++ program with /ZI or /Zi
Also for future reference, if you want to have PDB files for your own code, you would would have to build your project with either the /ZI or /Zi options enabled (you can set them via project properties --> C/C++ --> General, then set the field for "Debug Information Format"). Not relevant to your situation, but I figured it might be useful in the future
Make sure you use the option "insert spaces instead of tabs" in your editor. Then you can choose you want a tab width of, for example 4. You can find those options in gedit under edit-->preferences-->editor.
bottom line: USE SPACES not tabs
update of @Vladimir Tolstikov's answer
Create a Child Component that use ngOnChanges
.
ChildComponent.ts::
import { Component, OnChanges, Input } from '@angular/core';
import { ActivatedRoute } from '@angular/router';
@Component({
selector: 'child',
templateUrl: 'child.component.html',
})
export class ChildComponent implements OnChanges {
@Input() child_id;
constructor(private route: ActivatedRoute) { }
ngOnChanges() {
// create header using child_id
console.log(this.child_id);
}
}
now use it in MasterComponent's template and pass data to ChildComponent like:
<child [child_id]="child_id"></child>
In your PHP code you have set the incorrect port, this is what the code should be
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = '';
$db = 'test_db13';
The port in your code is set to 3360
when it should be 3306
, however as this is the default port, you don't need to specify.
On Windows, you can use the following command to find out the defaults on the system where your applications runs.
java -XX:+PrintFlagsFinal -version | findstr HeapSize
Look for the options MaxHeapSize
(for -Xmx
) and InitialHeapSize
for -Xms
.
On a Unix/Linux system, you can do
java -XX:+PrintFlagsFinal -version | grep HeapSize
I believe the resulting output is in bytes.
$setValidity needs to be called on the ngModelController. Inside the controller, I think that means $scope.myForm.file.$setValidity()
.
See also section "Custom Validation" on the Forms page, if you haven't already.
Also, for the first argument to $setValidity, use just 'filetype' and 'size'.
You can set it directly as the useEffect
callback:
useEffect(fetchBusinesses, [])
It will trigger only once, so make sure all the function's dependencies are correctly set (same as using componentDidMount/componentWillMount...
)
Edit 02/21/2020
Just for completeness:
useEffect
callback (as above)useEffect(fetchBusinesses, [])
useEffect()
useEffect(() => {
function fetchBusinesses() {
...
}
fetchBusinesses()
}, [])
useCallback()
In this case, if you have dependencies in your function, you will have to include them in the useCallback
dependencies array and this will trigger the useEffect
again if the function's params change. Besides, it is a lot of boilerplate... So just pass the function directly to useEffect
as in 1. useEffect(fetchBusinesses, [])
.
const fetchBusinesses = useCallback(() => {
...
}, [])
useEffect(() => {
fetchBusinesses()
}, [fetchBusinesses])
useEffect(() => {
fetchBusinesses()
}, []) // eslint-disable-line react-hooks/exhaustive-deps
Since July 2017 you can use cmp.Equal
with cmpopts.IgnoreFields
option.
func TestPerson(t *testing.T) {
type person struct {
ID int
Name string
}
p1 := person{ID: 1, Name: "john doe"}
p2 := person{ID: 2, Name: "john doe"}
println(cmp.Equal(p1, p2))
println(cmp.Equal(p1, p2, cmpopts.IgnoreFields(person{}, "ID")))
// Prints:
// false
// true
}
I wrote this a long time ago (from years 1985-1992, with just a few tweaks since then), and just copy and paste the bits needed into each project.
You must call cfmakeraw
on a tty
obtained from tcgetattr
. You cannot zero-out a struct termios
, configure it, and then set the tty
with tcsetattr
. If you use the zero-out method, then you will experience unexplained intermittent failures, especially on the BSDs and OS X. "Unexplained intermittent failures" include hanging in read(3)
.
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
int
set_interface_attribs (int fd, int speed, int parity)
{
struct termios tty;
if (tcgetattr (fd, &tty) != 0)
{
error_message ("error %d from tcgetattr", errno);
return -1;
}
cfsetospeed (&tty, speed);
cfsetispeed (&tty, speed);
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8; // 8-bit chars
// disable IGNBRK for mismatched speed tests; otherwise receive break
// as \000 chars
tty.c_iflag &= ~IGNBRK; // disable break processing
tty.c_lflag = 0; // no signaling chars, no echo,
// no canonical processing
tty.c_oflag = 0; // no remapping, no delays
tty.c_cc[VMIN] = 0; // read doesn't block
tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // shut off xon/xoff ctrl
tty.c_cflag |= (CLOCAL | CREAD);// ignore modem controls,
// enable reading
tty.c_cflag &= ~(PARENB | PARODD); // shut off parity
tty.c_cflag |= parity;
tty.c_cflag &= ~CSTOPB;
tty.c_cflag &= ~CRTSCTS;
if (tcsetattr (fd, TCSANOW, &tty) != 0)
{
error_message ("error %d from tcsetattr", errno);
return -1;
}
return 0;
}
void
set_blocking (int fd, int should_block)
{
struct termios tty;
memset (&tty, 0, sizeof tty);
if (tcgetattr (fd, &tty) != 0)
{
error_message ("error %d from tggetattr", errno);
return;
}
tty.c_cc[VMIN] = should_block ? 1 : 0;
tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
if (tcsetattr (fd, TCSANOW, &tty) != 0)
error_message ("error %d setting term attributes", errno);
}
...
char *portname = "/dev/ttyUSB1"
...
int fd = open (portname, O_RDWR | O_NOCTTY | O_SYNC);
if (fd < 0)
{
error_message ("error %d opening %s: %s", errno, portname, strerror (errno));
return;
}
set_interface_attribs (fd, B115200, 0); // set speed to 115,200 bps, 8n1 (no parity)
set_blocking (fd, 0); // set no blocking
write (fd, "hello!\n", 7); // send 7 character greeting
usleep ((7 + 25) * 100); // sleep enough to transmit the 7 plus
// receive 25: approx 100 uS per char transmit
char buf [100];
int n = read (fd, buf, sizeof buf); // read up to 100 characters if ready to read
The values for speed are B115200
, B230400
, B9600
, B19200
, B38400
, B57600
, B1200
, B2400
, B4800
, etc. The values for parity are 0
(meaning no parity), PARENB|PARODD
(enable parity and use odd), PARENB
(enable parity and use even), PARENB|PARODD|CMSPAR
(mark parity), and PARENB|CMSPAR
(space parity).
"Blocking" sets whether a read()
on the port waits for the specified number of characters to arrive. Setting no blocking means that a read()
returns however many characters are available without waiting for more, up to the buffer limit.
Addendum:
CMSPAR
is needed only for choosing mark and space parity, which is uncommon. For most applications, it can be omitted. My header file /usr/include/bits/termios.h
enables definition of CMSPAR
only if the preprocessor symbol __USE_MISC
is defined. That definition occurs (in features.h
) with
#if defined _BSD_SOURCE || defined _SVID_SOURCE
#define __USE_MISC 1
#endif
The introductory comments of <features.h>
says:
/* These are defined by the user (or the compiler)
to specify the desired environment:
...
_BSD_SOURCE ISO C, POSIX, and 4.3BSD things.
_SVID_SOURCE ISO C, POSIX, and SVID things.
...
*/
You can use npm postscribe
to load script in react component
postscribe('#mydiv', '<script src="https://use.typekit.net/foobar.js"></script>')
If you aren't using jQuery, it gets ugly. Here's a snippet that should work on all new browsers. The behavior is different in Quirks mode and standards mode in IE. This takes care of it.
var elem = (document.compatMode === "CSS1Compat") ?
document.documentElement :
document.body;
var height = elem.clientHeight;
var width = elem.clientWidth;
More precisely, add the code below to the private void InitializeComponent()
method of the Form class:
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
The web.config transforms that are part of Visual Studio 2010 use XSLT in order to "transform" the current web.config file into its .Debug or .Release version.
In your .Debug/.Release files, you need to add the following parameter in your connection string fields:
xdt:Transform="SetAttributes" xdt:Locator="Match(name)"
This will cause each connection string line to find the matching name and update the attributes accordingly.
Note: You won't have to worry about updating your providerName parameter in the transform files, since they don't change.
Here's an example from one of my apps. Here's the web.config file section:
<connectionStrings>
<add name="EAF" connectionString="[Test Connection String]" />
</connectionString>
And here's the web.config.release section doing the proper transform:
<connectionStrings>
<add name="EAF" connectionString="[Prod Connection String]"
xdt:Transform="SetAttributes"
xdt:Locator="Match(name)" />
</connectionStrings>
One added note: Transforms only occur when you publish the site, not when you simply run it with F5 or CTRL+F5. If you need to run an update against a given config locally, you will have to manually change your Web.config file for this.
For more details you can see the MSDN documentation
https://msdn.microsoft.com/en-us/library/dd465326(VS.100).aspx
If all you want is to request the URL and if it needs to be done from batch file, without anything outside of the OS, this can help you:
@if (@This==@IsBatch) @then
@echo off
rem **** batch zone *********************************************************
setlocal enableextensions disabledelayedexpansion
rem The batch file will delegate all the work to the script engine
if not "%~1"=="" (
wscript //E:JScript "%~dpnx0" %1
)
rem End of batch file area. Ensure the batch file ends execution
rem before reaching the JavaScript zone
exit /b
@end
// **** JavaScript zone *****************************************************
// Instantiate the needed component to make URL queries
var http = WScript.CreateObject('Msxml2.XMLHTTP.6.0');
// Retrieve the URL parameter
var url = WScript.Arguments.Item(0)
// Make the request
http.open("GET", url, false);
http.send();
// All done. Exit
WScript.Quit(0);
It is just a hybrid batch/JavaScript file and is saved as callurl.cmd
and called as callurl "http://www.google.es"
. It will do what you ask for. No error check, no post, just a skeleton.
If it is possible to use something outside of the OS, wget
or curl
are available as Windows executables and are the best options available.
If you are limited by some kind of security policy, you can get the Internet Information Services (IIS) 6.0 Resource Kit Tools. It includes tinyget
and wfetch
tools that can do what you need.
For some reason I was not able to use my scalar function until I referenced it using brackets, like so:
select [dbo].[fun_functional_score]('01091400003')
if you want to add column name from a list
df=pd.DataFrame()
a=['col1','col2','col3','col4']
for i in a:
df[i]=np.nan
I think you should casting variable or use Integer
class by call out method doubleValue()
.
Android SDK is 32 bit app, and it requires the 32 bit of JDK to work... the 64 bit JDK won't make any use for it...
My goto is
Console.WriteLine( Serialize(dictionary.ToList() ) );
Make sure you include the package using static System.Text.Json.JsonSerializer;
This works like a clock for me:
methods: {
hasHistory () { return window.history.length > 2 }
}
Then, in the template:
<button
type="button"
@click="hasHistory()
? $router.go(-1)
: $router.push('/')" class="my-5 btn btn-outline-success">«
Back
</button>
As the documentation states, 'replace' determines whether the current element is replaced by the directive. The other option is whether it is just added to as a child basically. If you look at the source of your plnkr, notice that for the second directive where replace is false that the div tag is still there. For the first directive it is not.
First result:
<span myd1="">directive template1</span>
Second result:
<div myd2=""><span>directive template2</span></div>
Maybe this code helps:
var chunk_size = 10;_x000D_
var arr = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17];_x000D_
var groups = arr.map( function(e,i){ _x000D_
return i%chunk_size===0 ? arr.slice(i,i+chunk_size) : null; _x000D_
}).filter(function(e){ return e; });_x000D_
console.log({arr, groups})
_x000D_
You can do:
\bjack\b.*\bjames\b|\bjames\b.*\bjack\b
If this is all the object is going to store, then best literal would be
var top_brands = {
'Adidas' : 100,
'Nike' : 50
};
Then all you need is a for...in
loop.
for (var key in top_brands){
console.log(key, top_brands[key]);
}
Not an answer to the very question but perhaps an idea for the underlying task:
When your site logic should not show a certain element, you could insert an invisible "flag" element that you check for.
if condition
renderElement()
else
renderElementNotShownFlag() // used by Selenium test
Another helpful note to add to the above responses is to add some flexbox styling. This will keep the text on one line and will make sure the text doesn't overlap the screen.
<View style={{ display: "flex", flexDirection: "row", flex: 1, flexWrap: 'wrap', margin: 10 }}>
<Text>Add your </Text>
<TouchableOpacity>
<Text style={{ color: 'blue' }} onpress={() => Linking.openURL('https://www.google.com')} >
link
</Text>
</TouchableOpacity>
<Text>here.
</Text>
</View>
IDisposable
is often used to exploit the using
statement and take advantage of an easy way to do deterministic cleanup of managed objects.
public class LoggingContext : IDisposable {
public Finicky(string name) {
Log.Write("Entering Log Context {0}", name);
Log.Indent();
}
public void Dispose() {
Log.Outdent();
}
public static void Main() {
Log.Write("Some initial stuff.");
try {
using(new LoggingContext()) {
Log.Write("Some stuff inside the context.");
throw new Exception();
}
} catch {
Log.Write("Man, that was a heavy exception caught from inside a child logging context!");
} finally {
Log.Write("Some final stuff.");
}
}
}
On the one hand, when you call System.getProperty("java.io.tmpdir")
instruction, Java calls the Win32 API's function GetTempPath
.
According to the MSDN :
The GetTempPath function checks for the existence of environment variables in the following order and uses the first path found:
- The path specified by the TMP environment variable.
- The path specified by the TEMP environment variable.
- The path specified by the USERPROFILE environment variable.
- The Windows directory.
On the other hand, please check the historical reasons on why TMP
and TEMP
coexist. It's really worth reading.
I experienced similar issues with Python 3.7 (3.7.0b4). This was due to some changes regarding some encoding assumptions (Python 3.6 >> Python 3.7)
As a result lots of package installations (e.g. via pip) failed.
Just found that .Net Framework 4.5 now supports TLSv1.2
http://msdn.microsoft.com/en-us/library/system.security.authentication.sslprotocols(v=vs.110).aspx
The Swift 4.1 extension method to calculate label height:
extension UILabel {
func heightForLabel(text:String, font:UIFont, width:CGFloat) -> CGFloat {
let label:UILabel = UILabel(frame: CGRect(x: 0, y: 0, width: width, height: CGFloat.greatestFiniteMagnitude))
label.numberOfLines = 0
label.lineBreakMode = NSLineBreakMode.byWordWrapping
label.font = font
label.text = text
label.sizeToFit()
return label.frame.height
}
}
You have an extra double quote at the end, which is adding it back to the end of the string (after removing both quotes from the string).
Input:
set widget="a very useful item"
set widget
set widget=%widget:"=%
set widget
Output:
widget="a very useful item"
widget=a very useful item
Note: To replace Double Quotes " with Single Quotes ' do the following:
set widget=%widget:"='%
Note: To replace the word "World" (not case sensitive) with BobB do the following:
set widget="Hello World!"
set widget=%widget:world=BobB%
set widget
Output:
widget="Hello BobB!"
As far as your initial question goes (save the following code to a batch file .cmd or .bat and run):
@ECHO OFF
ECHO %0
SET BathFileAndPath=%~0
ECHO %BathFileAndPath%
ECHO "%BathFileAndPath%"
ECHO %~0
ECHO %0
PAUSE
Output:
"C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd"
C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd
"C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd"
C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd
"C:\Users\Test\Documents\Batch Files\Remove Quotes.cmd"
Press any key to continue . . .
%0
is the Script Name and Path.
%1
is the first command line argument, and so on.
Even after 5 years, and having some experience with idea, I still have this problem all the times. Here is the simplest solution.
open project
instead of import project
And then, open conf file for your framework, like pom.xml
or build.sbt
or build.gradle
etc and it will automatically prompts to import project
and when you click and when it finishes, your project is mostly setup correct.
Use fs.writeFileSync inside the try/catch block as below.
`var fs = require('fs');
try {
const file = fs.writeFileSync(ASIN + '.json', JSON.stringify(results))
console.log("JSON saved");
return results;
} catch (error) {
console.log(err);
}`
You can use the strstr
function:
$haystack = "I know programming";
$needle = "know";
$flag = strstr($haystack, $needle);
if ($flag){
echo "true";
}
Without using an inbuilt function:
$haystack = "hello world";
$needle = "llo";
$i = $j = 0;
while (isset($needle[$i])) {
while (isset($haystack[$j]) && ($needle[$i] != $haystack[$j])) {
$j++;
$i = 0;
}
if (!isset($haystack[$j])) {
break;
}
$i++;
$j++;
}
if (!isset($needle[$i])) {
echo "YES";
}
else{
echo "NO ";
}
The functions* quit()
, exit()
, and sys.exit()
function in the same way: they raise the SystemExit
exception. So there is no real difference, except that sys.exit()
is always available but exit()
and quit()
are only available if the site
module is imported.
The os._exit()
function is special, it exits immediately without calling any cleanup functions (it doesn't flush buffers, for example). This is designed for highly specialized use cases... basically, only in the child after an os.fork()
call.
Use exit()
or quit()
in the REPL.
Use sys.exit()
in scripts, or raise SystemExit()
if you prefer.
Use os._exit()
for child processes to exit after a call to os.fork()
.
All of these can be called without arguments, or you can specify the exit status, e.g., exit(1)
or raise SystemExit(1)
to exit with status 1. Note that portable programs are limited to exit status codes in the range 0-255, if you raise SystemExit(256)
on many systems this will get truncated and your process will actually exit with status 0.
* Actually, quit()
and exit()
are callable instance objects, but I think it's okay to call them functions.
Use a ByteArrayOutputStream
. Here is the process:
InputStream
to read dataByteArrayOutputStream
.InputStream
into the OutputStream
byte[]
from the ByteArrayOutputStream
using the toByteArray()
methodWhen the directory is deleted, the inode for that directory (and the inodes for its contents) are recycled. The pointer your shell has to that directory's inode (and its contents's inodes) are now no longer valid. When the directory is restored from backup, the old inodes are not (necessarily) reused; the directory and its contents are stored on random inodes. The only thing that stays the same is that the parent directory reuses the same name for the restored directory (because you told it to).
Now if you attempt to access the contents of the directory that your original shell is still pointing to, it communicates that request to the file system as a request for the original inode, which has since been recycled (and may even be in use for something entirely different now). So you get a stale file handle
message because you asked for some nonexistent data.
When you perform a cd
operation, the shell reevaluates the inode location of whatever destination you give it. Now that your shell knows the new inode for the directory (and the new inodes for its contents), future requests for its contents will be valid.
You can't inject content from another site (domain) using AJAX. The reason an iFrame is suited for these kinds of things is that you can specify the source to be from another domain.
extern "C"
is a linkage specification which is used to call C functions in the Cpp source files. We can call C functions, write Variables, & include headers. Function is declared in extern entity & it is defined outside. Syntax is
Type 1:
extern "language" function-prototype
Type 2:
extern "language"
{
function-prototype
};
eg:
#include<iostream>
using namespace std;
extern "C"
{
#include<stdio.h> // Include C Header
int n; // Declare a Variable
void func(int,int); // Declare a function (function prototype)
}
int main()
{
func(int a, int b); // Calling function . . .
return 0;
}
// Function definition . . .
void func(int m, int n)
{
//
//
}
In case anyone wants to have a responsive flexbox with percentages (%) it is much easier for media queries.
flex-basis: 25%;
This will be a lot smoother when testing.
// VARIABLES
$screen-xs: 480px;
$screen-sm: 768px;
$screen-md: 992px;
$screen-lg: 1200px;
$screen-xl: 1400px;
$screen-xxl: 1600px;
// QUERIES
@media screen (max-width: $screen-lg) {
flex-basis: 25%;
}
@media screen (max-width: $screen-md) {
flex-basis: 33.33%;
}
I liked the solution in the earlier post.
I made a mini-class, called it class AlphabeticalHash
. It also has a method called ap
, which accepts one argument, a Hash
, as input: ap variable
. Akin to pp (pp variable
)
But it will (try and) print in alphabetical list (its keys). Dunno if anyone else wants to use this, it's available as a gem, you can install it as such: gem install alphabetical_hash
For me, this is simple enough. If others need more functionality, let me know, I'll include it into the gem.
EDIT: Credit goes to Peter, who gave me the idea. :)
Multiple posted answer here, but probably this can help who is newly using PowerShell
SO if any space is there in your directory path do not forgot to add double inverted commas "".
Enhanced for loop:
for (String element : array) {
// rest of code handling current element
}
Traditional for loop equivalent:
for (int i=0; i < array.length; i++) {
String element = array[i];
// rest of code handling current element
}
Take a look at these forums: https://blogs.oracle.com/CoreJavaTechTips/entry/using_enhanced_for_loops_with
http://www.java-tips.org/java-se-tips/java.lang/the-enhanced-for-loop.html
type
%matplotlib qt
when you want graphs in a separate window and
%matplotlib inline
when you want an inline plot
The href value inside the base tag will become your reference point for all your relative paths and thus override your current directory path value otherwise - the '~' is the root of your site
<head>
<base href="~/" />
</head>
You can only do this to you own photos. Due to recent upgrades, Facebook has made this more difficult. To do this, go to the album page where the photo is that you want to link to. You should see thumbnail images of the photos in the album. Hold down the "Control" or "Command" key while clicking the photo that you wish to link to. A new browser tab will open with the picture you clicked. Under the picture there is a URL that you can send to others to share the photo. You might have to have the privacy settings for that album set so that anyone can see the photos in that album. If you don't the person who clicks the link may have to be signed in and also be your "friend."
Here is an example of one of my photos: http://www.facebook.com/photo.php?pid=43764341&l=0d8a526a64&id=25502298 -it's my cat.
Update:
The link below the photo no longer appears. Once you open the photo in a new tab you can right click the photo (Control+click for Mac users) and click "Copy Image URL" or similar and then share this link. Based on my tests the person who clicks the link doesn't need to use Facebook. The photo will load without the Facebook interface. Like this - http://a1.sphotos.ak.fbcdn.net/hphotos-ak-ash4/189088_867367406856_25502298_43764341_1304758_n.jpg
Use Come thing link this , This is Based on Bootstrap 3.0
.navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a:focus {
background-color: #977EBD;
color: #FFFFFF;
}
.navbar-default .navbar-nav > li > a:hover, .navbar-default .navbar-nav > li > a:focus {
background-color: #977EBD;
color: #FFFFFF;
}
I created a simple library to handle this. it can also detect more than two clicks (it all depends on you). after you import the ClickCounter class, here is how you use it to detect single and multiple clicks:
ClickCounter counter = new ClickCounter();
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
counter.addClick(); // submits click to be counted
}
});
counter.setClickCountListener(new ClickCounter.ClickCountListener() {
@Override
public void onClickingCompleted(int clickCount) {
rewardUserWithClicks(clickCount); // Thats All!!
}
});
I would re-write the original target test, taking care the needed variable is defined IN THE SAME SUB-PROCESS as the application to launch:
test:
( NODE_ENV=test mocha --harmony --reporter spec test )
I fixed it by following steps:
Admittedly I'm adding my answer to an over-answered question, but this has the advantages of:
-- Not depending on any outside libraries, including jQuery
-- Not polluting global function namespace, by extending 'String'
-- Not creating any global data and doing unnecessary processing after match found
-- Handling encoding issues, and accepting (assuming) non-encoded parameter name
-- Avoiding explicit for
loops
String.prototype.urlParamValue = function() {
var desiredVal = null;
var paramName = this.valueOf();
window.location.search.substring(1).split('&').some(function(currentValue, _, _) {
var nameVal = currentValue.split('=');
if ( decodeURIComponent(nameVal[0]) === paramName ) {
desiredVal = decodeURIComponent(nameVal[1]);
return true;
}
return false;
});
return desiredVal;
};
Then you'd use it as:
var paramVal = "paramName".urlParamValue() // null if no match
I wrote a script that will print out the system.profile log in real time as queries come in. You need to enable logging first as stated in other answers. I needed this because I'm using Windows Subsystem for Linux, for which tail still doesn't work.
The easiest method is to use the OFFSET function. So for the original example, the formula would be: =offset(c2,0,-1)*1.33 ="using current cell (c2) as reference point, get the contents of cell on same row, but one column to the left (b2) and multiply it by 1.33"
Works a treat.
In my case, mismatch of version of two libraries.
I am using angular 7.0.0 and installed
"@swimlane/ngx-dnd": "^8.0.0"
and this caused the problem. Reverting this library to
"@swimlane/ngx-dnd": "6.0.0"
worked for me.
I had the very same issue recently. This was my error:
System.InvalidOperationException : session not created: This version of ChromeDriver only supports Chrome version 76 (SessionNotCreated)
This fix worked for me:
[project_folder]\bin\Debug\netcoreapp2.1
)Take a look at UnCSS. It helps in creating a CSS file of used CSS.
function getUrlVar(key){
var result = new RegExp(key + "=([^&]*)", "i").exec(window.location.search);
return result && unescape(result[1]) || "";
}
Assuming you're interested in whether the variable has been explicitly assigned a value or not, the answer is "not really". There's absolutely no difference between a field (instance variable or class variable) which hasn't been explicitly assigned at all yet, and one which has been assigned its default value - 0, false, null etc.
Now if you know that once assigned, the value will never reassigned a value of null, you can use:
if (box != null) {
box.removeFromCanvas();
}
(and that also avoids a possible NullPointerException
) but you need to be aware that "a field with a value of null" isn't the same as "a field which hasn't been explicitly assigned a value". Null is a perfectly valid variable value (for non-primitive variables, of course). Indeed, you may even want to change the above code to:
if (box != null) {
box.removeFromCanvas();
// Forget about the box - we don't want to try to remove it again
box = null;
}
The difference is also visible for local variables, which can't be read before they've been "definitely assigned" - but one of the values which they can be definitely assigned is null (for reference type variables):
// Won't compile
String x;
System.out.println(x);
// Will compile, prints null
String y = null;
System.out.println(y);
Simple but dirty way
// Swift 1.2
if let intValue = "42".toInt() {
let number1 = NSNumber(integer:intValue)
}
// Swift 2.0
let number2 = Int(stringNumber)
// Using NSNumber
let number3 = NSNumber(float:("42.42" as NSString).floatValue)
The extension-way
This is better, really, because it'll play nicely with locales and decimals.
extension String {
var numberValue:NSNumber? {
let formatter = NSNumberFormatter()
formatter.numberStyle = .DecimalStyle
return formatter.numberFromString(self)
}
}
Now you can simply do:
let someFloat = "42.42".numberValue
let someInt = "42".numberValue
They are used for formatting strings. %s
acts a placeholder for a string while %d
acts as a placeholder for a number. Their associated values are passed in via a tuple using the %
operator.
name = 'marcog'
number = 42
print '%s %d' % (name, number)
will print marcog 42
. Note that name is a string (%s) and number is an integer (%d for decimal).
See https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting for details.
In Python 3 the example would be:
print('%s %d' % (name, number))
I tried this too, and works very well:
<%= link_to home_index_path do %>
<div class='logo-container'>
<div class='logo'>
<%= image_tag('bar.ico') %>
</div>
<div class='brand' style='font-size: large;'>
.BAR
</div>
</div>
<% end %>
For Python 3 you could try using quote
instead of quote_plus
:
import urllib.parse
print(urllib.parse.quote("http://www.sample.com/"))
Result:
http%3A%2F%2Fwww.sample.com%2F
Or:
from requests.utils import requote_uri
requote_uri("http://www.sample.com/?id=123 abc")
Result:
'https://www.sample.com/?id=123%20abc'
Try the solution with is described here: Exact Substring Searches in ElasticSearch
{
"mappings": {
"my_type": {
"index_analyzer":"index_ngram",
"search_analyzer":"search_ngram"
}
},
"settings": {
"analysis": {
"filter": {
"ngram_filter": {
"type": "ngram",
"min_gram": 3,
"max_gram": 8
}
},
"analyzer": {
"index_ngram": {
"type": "custom",
"tokenizer": "keyword",
"filter": [ "ngram_filter", "lowercase" ]
},
"search_ngram": {
"type": "custom",
"tokenizer": "keyword",
"filter": "lowercase"
}
}
}
}
}
To solve the disk usage problem and the too-long search term problem short 8 characters long ngrams are used (configured with: "max_gram": 8). To search for terms with more than 8 characters, turn your search into a boolean AND query looking for every distinct 8-character substring in that string. For example, if a user searched for large yard (a 10-character string), the search would be:
"arge ya AND arge yar AND rge yard.
I use Objective-C to slap the UI together.
But the hard guts of the code is still written in C++.
That is the main purpose of Objective-C the UI interface and handling the events.
And it works great for that purpose.
I still like C++ as the backend for the code though (but that's mainly becuase I like C++) you could quite easily use Objective-C for the backend of the application as well.
Nobody suggested Vagrant yet, so here it is, Vagrant box for OSX
vagrant init https://vagrant-osx.nyc3.digitaloceanspaces.com/osx-sierra-0.3.1.box
vagrant up
and you have a MACOS virtual machine. But according to Apple's EULA, you still need to run it on MacOS hardware :D But anywhere, here's one to all of you geeks who wiped MacOS and installed Ubuntu :D
Unfortunately, you can't run the editors from inside using SSH X-forwarding
option.
$subscription_key ='';
$host = '';
$request_headers = array(
"X-Mashape-Key:" . $subscription_key,
"X-Mashape-Host:" . $host
);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
$season_data = curl_exec($ch);
if (curl_errno($ch)) {
print "Error: " . curl_error($ch);
exit();
}
// Show me the result
curl_close($ch);
$json= json_decode($season_data, true);
You can setup _JAVA_OPTIONS
instead of JAVA_OPTS
. This should work without $_JAVA_OPTIONS
.
var test = parseInt($("#testid").val());
If you specify CSS attributes for your body
element it should apply to anything within <body></body>
so long as you don't override them later in the stylesheet.
Respectively Form.Show() (or Form.ShowDialog() if you want the second form to be modal), and Form.Hide() (or Form.Close(), depending on what you mean by close it
).
Below are the results of a benchmark to compare YAML vs JSON loading times, on Python and Perl
JSON is much faster, at the expense of some readability, and features such as comments
Python 3.8.3 timeit
JSON: 0.108
YAML CLoader: 3.684
YAML: 29.763
Perl 5.26.2-043 Benchmark::cmpthese
JSON XS: 0.107
YAML XS: 0.574
YAML Syck: 1.050
Perl 5.26.2-043 Dumbbench (Brian D Foy, excludes outliers)
JSON XS: 0.102
YAML XS: 0.514
YAML Syck: 1.027
Did you try this?
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/mainlayout" android:orientation="vertical"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<RelativeLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="5px"
android:background="#303030"
>
<RelativeLayout
android:id="@+id/widget42"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
>
<ImageButton
android:id="@+id/map"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="map"
android:src="@drawable/outbox_pressed"
android:background="@null"
android:layout_toRightOf="@+id/location"
/>
<ImageButton
android:id="@+id/location"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="location"
android:src="@drawable/inbox_pressed"
android:background="@null"
/>
</RelativeLayout>
<ImageButton
android:id="@+id/home"
android:src="@drawable/button_back"
android:background="@null"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
/>
</RelativeLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="5px"
android:orientation="horizontal"
android:background="#252525"
>
<EditText
android:id="@+id/searchfield"
android:layout_width="fill_parent"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:background="@drawable/customshape"
/>
<ImageButton
android:id="@+id/search_button"
android:src="@drawable/search_press"
android:background="@null"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
/>
</LinearLayout>
<com.google.android.maps.MapView
android:id="@+id/mapview"
android:layout_weight="1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:clickable="true"
android:apiKey="apikey" />
</TableLayout>
I suggest you to use provider
.
Provide is good when you want to configure it first before to use (against Service/Factory)
Something like:
.provider('Magazines', function() {
this.url = '/';
this.urlArray = '/';
this.organId = 'Default';
this.$get = function() {
var url = this.url;
var urlArray = this.urlArray;
var organId = this.organId;
return {
invoke: function() {
return ......
}
}
};
this.setUrl = function(url) {
this.url = url;
};
this.setUrlArray = function(urlArray) {
this.urlArray = urlArray;
};
this.setOrganId = function(organId) {
this.organId = organId;
};
});
.config(function(MagazinesProvider){
MagazinesProvider.setUrl('...');
MagazinesProvider.setUrlArray('...');
MagazinesProvider.setOrganId('...');
});
And now controller:
function MyCtrl($scope, Magazines) {
Magazines.invoke();
....
}
<%= link_to "http://www.facebook.com/sharer.php?u=" + article_url(article, :text => article.title), :class => "btn btn-primary" do %> <i class="fa fa-facebook"> Facebook Share </i> <%end%>
I am assuming that current_article_url
is http://0.0.0.0:4567/link_to_title
final View activityRootView = findViewById(R.id.rootlayout);
activityRootView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
Rect r = new Rect();
activityRootView.getWindowVisibleDisplayFrame(r);
int screenHeight = activityRootView.getRootView().getHeight();
Log.e("screenHeight", String.valueOf(screenHeight));
int heightDiff = screenHeight - (r.bottom - r.top);
Log.e("heightDiff", String.valueOf(heightDiff));
boolean visible = heightDiff > screenHeight / 3;
Log.e("visible", String.valueOf(visible));
if (visible) {
Toast.makeText(LabRegister.this, "I am here 1", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(LabRegister.this, "I am here 2", Toast.LENGTH_SHORT).show();
}
}
});
Android UI creation using layouts, resources, activities and intents is an implementation of the MVC pattern. Please see the following link for more on this - http://www.cs.otago.ac.nz/cosc346/labs/COSC346-lab2.2up.pdf
For future readers:
To select manually the buttons with the trackball use:
myListView.setItemsCanFocus(true);
And to disable the focus on the whole list items:
myListView.setFocusable(false);
myListView.setFocusableInTouchMode(false);
myListView.setClickable(false);
It works fine for me, I can click on buttons with touchscreen and also alows focus an click using keypad
I would generally recommend using element.attachEvent (IE) or element.addEventListener (other browsers) over setting the onclick event directly as the latter will replace any existing event handlers for that element.
attachEvent / addEventListening allow multiple event handlers to be created.
Yes there is such a built-in function: os.path.join
.
>>> import os.path
>>> os.path.join('/my/root/directory', 'in', 'here')
'/my/root/directory/in/here'
For Mysql You can use this Query
UPDATE table1 a, table2 b SET a.coloumn = b.coloumn WHERE a.id= b.id
A little variation with a more compact lookup table and using C++17 features:
std::string base64_decode(const std::string_view in) {
// table from '+' to 'z'
const uint8_t lookup[] = {
62, 255, 62, 255, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 255,
255, 0, 255, 255, 255, 255, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
255, 255, 255, 255, 63, 255, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51};
static_assert(sizeof(lookup) == 'z' - '+' + 1);
std::string out;
int val = 0, valb = -8;
for (uint8_t c : in) {
if (c < '+' || c > 'z')
break;
c -= '+';
if (lookup[c] >= 64)
break;
val = (val << 6) + lookup[c];
valb += 6;
if (valb >= 0) {
out.push_back(char((val >> valb) & 0xFF));
valb -= 8;
}
}
return out;
}
If you don't have std::string_view, try instead std::experimental::string_view.
The problem is in the import
line. You are importing a module, not a class. Assuming your file is named other_file.py
(unlike java, again, there is no such rule as "one class, one file"):
from other_file import findTheRange
if your file is named findTheRange too, following java's convenions, then you should write
from findTheRange import findTheRange
you can also import it just like you did with random
:
import findTheRange
operator = findTheRange.findTheRange()
Some other comments:
a) @Daniel Roseman is right. You do not need classes here at all. Python encourages procedural programming (when it fits, of course)
b) You can build the list directly:
randomList = [random.randint(0, 100) for i in range(5)]
c) You can call methods in the same way you do in java:
largestInList = operator.findLargest(randomList)
smallestInList = operator.findSmallest(randomList)
d) You can use built in function, and the huge python library:
largestInList = max(randomList)
smallestInList = min(randomList)
e) If you still want to use a class, and you don't need self
, you can use @staticmethod
:
class findTheRange():
@staticmethod
def findLargest(_list):
#stuff...
Look at this complete example https://github.com/marcindulak/python-mycli of a small python package. It is based on packaging recommendations from https://packaging.python.org/en/latest/distributing.html, uses setup.py with distutils and in addition shows how to create RPM and deb packages.
The project's setup.py is included below (see the repo for the full source):
#!/usr/bin/env python
import os
import sys
from distutils.core import setup
name = "mycli"
rootdir = os.path.abspath(os.path.dirname(__file__))
# Restructured text project description read from file
long_description = open(os.path.join(rootdir, 'README.md')).read()
# Python 2.4 or later needed
if sys.version_info < (2, 4, 0, 'final', 0):
raise SystemExit, 'Python 2.4 or later is required!'
# Build a list of all project modules
packages = []
for dirname, dirnames, filenames in os.walk(name):
if '__init__.py' in filenames:
packages.append(dirname.replace('/', '.'))
package_dir = {name: name}
# Data files used e.g. in tests
package_data = {name: [os.path.join(name, 'tests', 'prt.txt')]}
# The current version number - MSI accepts only version X.X.X
exec(open(os.path.join(name, 'version.py')).read())
# Scripts
scripts = []
for dirname, dirnames, filenames in os.walk('scripts'):
for filename in filenames:
if not filename.endswith('.bat'):
scripts.append(os.path.join(dirname, filename))
# Provide bat executables in the tarball (always for Win)
if 'sdist' in sys.argv or os.name in ['ce', 'nt']:
for s in scripts[:]:
scripts.append(s + '.bat')
# Data_files (e.g. doc) needs (directory, files-in-this-directory) tuples
data_files = []
for dirname, dirnames, filenames in os.walk('doc'):
fileslist = []
for filename in filenames:
fullname = os.path.join(dirname, filename)
fileslist.append(fullname)
data_files.append(('share/' + name + '/' + dirname, fileslist))
setup(name='python-' + name,
version=version, # PEP440
description='mycli - shows some argparse features',
long_description=long_description,
url='https://github.com/marcindulak/python-mycli',
author='Marcin Dulak',
author_email='[email protected]',
license='ASL',
# https://pypi.python.org/pypi?%3Aaction=list_classifiers
classifiers=[
'Development Status :: 1 - Planning',
'Environment :: Console',
'License :: OSI Approved :: Apache Software License',
'Natural Language :: English',
'Operating System :: OS Independent',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.4',
'Programming Language :: Python :: 2.5',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.2',
'Programming Language :: Python :: 3.3',
'Programming Language :: Python :: 3.4',
],
keywords='argparse distutils cli unittest RPM spec deb',
packages=packages,
package_dir=package_dir,
package_data=package_data,
scripts=scripts,
data_files=data_files,
)
and and RPM spec file which more or less follows Fedora/EPEL packaging guidelines may look like:
# Failsafe backport of Python2-macros for RHEL <= 6
%{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")}
%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
%{!?python_version: %global python_version %(%{__python} -c "import sys; sys.stdout.write(sys.version[:3])")}
%{!?__python2: %global __python2 %{__python}}
%{!?python2_sitelib: %global python2_sitelib %{python_sitelib}}
%{!?python2_sitearch: %global python2_sitearch %{python_sitearch}}
%{!?python2_version: %global python2_version %{python_version}}
%{!?python2_minor_version: %define python2_minor_version %(%{__python} -c "import sys ; print sys.version[2:3]")}
%global upstream_name mycli
Name: python-%{upstream_name}
Version: 0.0.1
Release: 1%{?dist}
Summary: A Python program that demonstrates usage of argparse
%{?el5:Group: Applications/Scientific}
License: ASL 2.0
URL: https://github.com/marcindulak/%{name}
Source0: https://github.com/marcindulak/%{name}/%{name}-%{version}.tar.gz
%{?el5:BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)}
BuildArch: noarch
%if 0%{?suse_version}
BuildRequires: python-devel
%else
BuildRequires: python2-devel
%endif
%description
A Python program that demonstrates usage of argparse.
%prep
%setup -qn %{name}-%{version}
%build
%{__python2} setup.py build
%install
%{?el5:rm -rf $RPM_BUILD_ROOT}
%{__python2} setup.py install --skip-build --prefix=%{_prefix} \
--optimize=1 --root $RPM_BUILD_ROOT
%check
export PYTHONPATH=`pwd`/build/lib
export PATH=`pwd`/build/scripts-%{python2_version}:${PATH}
%if 0%{python2_minor_version} >= 7
%{__python2} -m unittest discover -s %{upstream_name}/tests -p '*.py'
%endif
%clean
%{?el5:rm -rf $RPM_BUILD_ROOT}
%files
%doc LICENSE README.md
%{_bindir}/*
%{python2_sitelib}/%{upstream_name}
%{?!el5:%{python2_sitelib}/*.egg-info}
%changelog
* Wed Jan 14 2015 Marcin Dulak <[email protected]> - 0.0.1-1
- initial version
You don't need to specify the module path per se. CMake ships with its own set of built-in find_package scripts, and their location is in the default CMAKE_MODULE_PATH.
The more normal use case for dependent projects that have been CMakeified would be to use CMake's external_project command and then include the Use[Project].cmake file from the subproject. If you just need the Find[Project].cmake script, copy it out of the subproject and into your own project's source code, and then you won't need to augment the CMAKE_MODULE_PATH in order to find the subproject at the system level.
Why not use a Single liner ...
IEnumerable<Book> _Book_IE= _Book_List as IEnumerable<Book>;
You can construct a Map with a variable number of tuples. So use the map method on the collection to convert it into a collection of tuples and then use the : _* trick to convert the result into a variable argument.
scala> val list = List("this", "maps", "string", "to", "length") map {s => (s, s.length)}
list: List[(java.lang.String, Int)] = List((this,4), (maps,4), (string,6), (to,2), (length,6))
scala> val list = List("this", "is", "a", "bunch", "of", "strings")
list: List[java.lang.String] = List(this, is, a, bunch, of, strings)
scala> val string2Length = Map(list map {s => (s, s.length)} : _*)
string2Length: scala.collection.immutable.Map[java.lang.String,Int] = Map(strings -> 7, of -> 2, bunch -> 5, a -> 1, is -> 2, this -> 4)
There is also
which aims
- To encode entire script in a proprietary PHP application
- To encode some classes and/or functions in a proprietary PHP application
- To enable the production of php-gtk applications that could be used on client desktops, without the need for a php.exe.
- To do the feasibility study for a PHP to C converter
The extension is available from PECL.
In IDLE and the interactive python, you entered two consecutive CRLF which brings you out of the if statement. It's the problem of IDLE or interactive python. It will be ok when you using any kind of editor, just make sure your indentation is right.
If all you need is mousedown, you may be able to make do with the document.elementFromPoint
method, by:
x
and y
coordinates from the event to the document.elementFromPoint
method to get the element underneath, and thenYou could use setInterval
for this.
<script type="text/javascript">
function myFunction () {
console.log('Executed!');
}
var interval = setInterval(function () { myFunction(); }, 60000);
</script>
Disable the timer by setting clearInterval(interval)
.
See this Fiddle: http://jsfiddle.net/p6NJt/2/
you can use get_result()
on the statement.
Worksheets("Sheet1").Delete
Worksheets("Sheet2").Delete
For Windows users, enter the following command :
set JAVA_OPTS=-Dhttp.proxySet=true -Dhttp.proxyHost=[Your Proxy server] -Dhttp.proxyPort=8080
Try this HTML:
<input type="button" value="Button_name" onclick="window.open('LINKADDRESS')"/>
On Mac, Shift+CMD+F for search and replace. Search for '\n' and replace with Shift+Enter.
If you want to add style in all child and no specification for html tag then use it.
Parent tag div.parent
child tag inside the div.parent like <a>
, <input>
, <label>
etc.
code : div.parent * {color: #045123!important;}
You can also remove important, its not required
From Save MySQL query results into a text or CSV file:
MySQL provides an easy mechanism for writing the results of a select statement into a text file on the server. Using extended options of the INTO OUTFILE nomenclature, it is possible to create a comma separated value (CSV) which can be imported into a spreadsheet application such as OpenOffice or Excel or any other application which accepts data in CSV format.
Given a query such as
SELECT order_id,product_name,qty FROM orders
which returns three columns of data, the results can be placed into the file /tmp/orders.txt using the query:
SELECT order_id,product_name,qty FROM orders INTO OUTFILE '/tmp/orders.txt'
This will create a tab-separated file, each row on its own line. To alter this behavior, it is possible to add modifiers to the query:
SELECT order_id,product_name,qty FROM orders INTO OUTFILE '/tmp/orders.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n'
In this example, each field will be enclosed in double quotes, the fields will be separated by commas, and each row will be output on a new line separated by a newline (\n). Sample output of this command would look like:
"1","Tech-Recipes sock puppet","14.95" "2","Tech-Recipes chef's hat","18.95"
Keep in mind that the output file must not already exist and that the user MySQL is running as has write permissions to the directory MySQL is attempting to write the file to.
Syntax
SELECT Your_Column_Name
FROM Your_Table_Name
INTO OUTFILE 'Filename.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n'
Or you could try to grab the output via the client:
You could try executing the query from the your local client and redirect the output to a local file destination:
mysql -user -pass -e "select cols from table where cols not null" > /tmp/output
Hint: If you don't specify an absoulte path but use something like INTO OUTFILE 'output.csv'
or INTO OUTFILE './output.csv'
, it will store the output file to the directory specified by show variables like 'datadir';
.
Create a migration that has a change_column
statement with a :default =>
value.
change_column :my_table, :my_column, :integer, :default => 0, :null => false
See: change_column
Depending on the database engine you may need to use change_column_null
I think that the "right" solution here is to add your proprietary libraries to your own repository. It should be simple: create pom for your library project and publish the compiled version on your repository. Add this repository to the list of repositories for your mail project and run build. I believe it will work for you.
Converting the date without specifying the current format can bring this error to you easily.
sdate <- "2015.10.10"
date <- as.Date(sdate4) # ==> This will generate the same error"""Error in charToDate(x): character string is not in a standard unambiguous format""".
date <- as.Date(sdate4, format = "%Y.%m.%d") # ==> Error Free Date Conversion.
$("ul li a").live('click', function (e) {
e.preventDefault();
$('<div></div>').appendTo('body')
.html('<div><h6>Are you sure about this?</h6></div>')
.dialog({
modal: true, title: 'Delete message', zIndex: 10000, autoOpen: true,
width: 'auto', modal: true, resizable: false,
buttons: {
Confirm: function () {
// $(obj).removeAttr('onclick');
// $(obj).parents('.Parent').remove();
$(this).dialog("close");
window.location.reload();
},
No: function () {
$(this).dialog("close");
}
},
Cancel: function (event, ui) {
$(this).remove();
}
});
return false;
});
This is works for me
<textarea_x000D_
type='text'_x000D_
style="resize: none"_x000D_
>_x000D_
Some text_x000D_
</textarea>
_x000D_
HTML5 has <input type=number>
, which sounds right for you. Currently, only Opera supports it natively, but there is a project that has a JavaScript implementation.
If you want to initialize along with the creation, you can use fill and map.
const matrix = new Array(5).fill(0).map(() => new Array(4).fill(0));
5 is the number of rows and 4 is the number of columns.
I had this issue when i refereed a library project from a console application, and the library project was using a nuget package which is not refereed in the console application. Referring the same package in the console application helped to resolve this issue.
Seeing the Inner exception can help.
VAR1=value1 VAR2=value2 myScript args ...
Your HTML:
<div class="img-with-text">
<img src="yourimage.jpg" alt="sometext" />
<p>Some text</p>
</div>
If you know the width of your image, your CSS:
.img-with-text {
text-align: justify;
width: [width of img];
}
.img-with-text img {
display: block;
margin: 0 auto;
}
Otherwise your text below the image will free-flow. To prevent this, just set a width to your container.
Either in your admin.py or in a separate forms.py you can add a ModelForm class and then declare your extra fields inside that as you normally would. I've also given an example of how you might use these values in form.save():
from django import forms
from yourapp.models import YourModel
class YourModelForm(forms.ModelForm):
extra_field = forms.CharField()
def save(self, commit=True):
extra_field = self.cleaned_data.get('extra_field', None)
# ...do something with extra_field here...
return super(YourModelForm, self).save(commit=commit)
class Meta:
model = YourModel
To have the extra fields appearing in the admin just:
Like this:
class YourModelAdmin(admin.ModelAdmin):
form = YourModelForm
fieldsets = (
(None, {
'fields': ('name', 'description', 'extra_field',),
}),
)
UPDATE:
In django 1.8 you need to add fields = '__all__'
to the metaclass of YourModelForm.
Unlike in Python 2, the zip
function in Python 3 returns an iterator. Iterators can only be exhausted (by something like making a list out of them) once. The purpose of this is to save memory by only generating the elements of the iterator as you need them, rather than putting it all into memory at once. If you want to reuse your zipped object, just create a list out of it as you do in your second example, and then duplicate the list by something like
test2 = list(zip(lis1,lis2))
zipped_list = test2[:]
zipped_list_2 = list(test2)
pwdx <process id>
This command will fetch the process path from where it is executing.
Imo, the best way to parse your JSON response with GSON would be creating classes that "match" your response and then use Gson.fromJson()
method.
For example:
class Response {
Map<String, App> descriptor;
// standard getters & setters...
}
class App {
String name;
int age;
String[] messages;
// standard getters & setters...
}
Then just use:
Gson gson = new Gson();
Response response = gson.fromJson(yourJson, Response.class);
Where yourJson
can be a String
, any Reader
, a JsonReader
or a JsonElement
.
Finally, if you want to access any particular field, you just have to do:
String name = response.getDescriptor().get("app3").getName();
You can always parse the JSON manually as suggested in other answers, but personally I think this approach is clearer, more maintainable in long term and it fits better with the whole idea of JSON.
In Android studio open build.gradle and edit the following section:
defaultConfig {
applicationId "com.demo.myanswer"
minSdkVersion 14
targetSdkVersion 23
versionCode 1
versionName "1.0"
}
here you can change minSdkVersion from 12 to 14
The important needs to be inside the ;
td.rule2 div { background-color: #ffff00 !important; }
in fact i believe this should override it
td.rule2 { background-color: #ffff00 !important; }
If you are using @Configuation then instantiate below static bean. If not static @Configutation is instantiated very early and and the BeanPostProcessors responsible for resolving annotations like @Value, @Autowired etc, cannot act on it. Refer here
@Bean
public static PropertySourcesPlaceholderConfigurer propertyConfigurer() {
return new PropertySourcesPlaceholderConfigurer();
}
To make a note on Dick's answer, this is correct, but I would not recommend using a For Each loop. For Each creates a temporary reference to the COM Cell behind the scenes that you do not have access to (that you would need in order to dispose of it).
See the following for more discussion:
How do I properly clean up Excel interop objects?
To illustrate the issue, try the For Each example, close your application, and look at Task Manager. You should see that an instance of Excel is still running (because all objects were not disposed of properly).
A cleaner way to handle this is to query the spreadsheet using ADO:
This method removes not only child (and other descendant) elements, but also any text within the set of matched elements. This is because, according to the DOM specification, any string of text within an element is considered a child node of that element.
$('textarea').empty()
I would suggest you check out the various tutorials that are coming out lately. My current fav is:
Hope this helps.
ShareDialog shareDialog = new ShareDialog(this);
if(ShareDialog.canShow(ShareLinkContent.class)) {
ShareLinkContent linkContent = new ShareLinkContent.Builder().setContentTitle(strTitle).setContentDescription(strDescription)
.setContentUrl(Uri.parse(strNewsHtmlUrl))
.build();
shareDialog.show(linkContent);
}
one more, after you create user by following cmd-1, please assign read/write/root role to the user by cmd-2. then restart mongodb by cmd "mongod --auth".
The benefit of assign role to the user is you can do read/write operation by mongo shell or python/java and so on, otherwise you will meet "pymongo.errors.OperationFailure: not authorized" when you try to read/write your db.
cmd-1:
use admin
db.createUser({
user: "newUsername",
pwd: "password",
roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
})
cmd-2:
db.grantRolesToUser('newUsername',[{ role: "root", db: "admin" }])
<?php
$first = reset($arr_nav); // Get the first element
$last = end($arr_nav); // Get the last element
// Ensure that we have a first element and that it's an array
if(is_array($first)) {
$first['class'] = 'first';
}
// Ensure we have a last element and that it differs from the first
if(is_array($last) && $last !== $first) {
$last['class'] = 'last';
}
Now you could just echo the class inside you html-generator. Would probably need some kind of check to ensure that the class is set, or provide a default empty class to the array.
This is not a Hibernate specific issue (it's just SQL nature), and YES, there IS a solution for both SQL and HQL:
@Peter Lang had the right idea, and you had the correct HQL query. I guess you just needed a new clean run to pick up the query changes ;-)
The below code absolutely works and it is great if you keep all your queries in orm.xml
from CountryDTO c where ((:status is null and c.status is null) or c.status = :status) and c.type =:type
If your parameter String is null then the query will check if the row's status is null as well. Otherwise it will resort to compare with the equals sign.
Notes:
The issue may be a specific MySql quirk. I only tested with Oracle.
The above query assumes that there are table rows where c.status is null
The where clause is prioritized so that the parameter is checked first.
The parameter name 'type' may be a reserved word in SQL but it shouldn't matter since it is replaced before the query runs.
If you needed to skip the :status where_clause altogether; you can code like so:
from CountryDTO c where (:status is null or c.status = :status) and c.type =:type
and it is equivalent to:
sql.append(" where ");
if(status != null){
sql.append(" c.status = :status and ");
}
sql.append(" c.type =:type ");
Java 8 introduces the Instant.ofEpochSecond
utility method for creating an Instant
from a Unix timestamp, this can then be converted into a ZonedDateTime
and finally formatted, e.g.:
final DateTimeFormatter formatter =
DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
final long unixTime = 1372339860;
final String formattedDtm = Instant.ofEpochSecond(unixTime)
.atZone(ZoneId.of("GMT-4"))
.format(formatter);
System.out.println(formattedDtm); // => '2013-06-27 09:31:00'
I thought this might be useful for people who are using Java 8.
This should work:
<span class="vote-up@(puzzle.UserVote == VoteType.Up ? "-selected" : "")">Vote Up</span>
b = a[a>threshold]
this should do
I tested as follows:
import numpy as np, datetime
# array of zeros and ones interleaved
lrg = np.arange(2).reshape((2,-1)).repeat(1000000,-1).flatten()
t0 = datetime.datetime.now()
flt = lrg[lrg==0]
print datetime.datetime.now() - t0
t0 = datetime.datetime.now()
flt = np.array(filter(lambda x:x==0, lrg))
print datetime.datetime.now() - t0
I got
$ python test.py
0:00:00.028000
0:00:02.461000
http://docs.scipy.org/doc/numpy/user/basics.indexing.html#boolean-or-mask-index-arrays
return sentence.replaceAll("\s",".");
In addition, for those looking to replace more than one character in a column, you can do it using regular expressions:
import re
chars_to_remove = ['.', '-', '(', ')', '']
regular_expression = '[' + re.escape (''. join (chars_to_remove)) + ']'
df['string_col'].str.replace(regular_expression, '', regex=True)
A tried a slight variation on Luca's answer and it worked for me.
diff file1 file2 | grep ">" | sed 's/^> //g' > diff_file
Note that the searched pattern in sed is a >
followed by a space.