You can also do this without using groupby or loc. By simply including the condition in code. Let the name of dataframe be df. Then you can try :
df[df['a']==1]['b'].sum()
or you can also try :
sum(df[df['a']==1]['b'])
Another way could be to use the numpy library of python :
import numpy as np
print(np.where(df['a']==1, df['b'],0).sum())
line=$((${RANDOM} % $(wc -l < /etc/passwd)))
sed -n "${line}p" /etc/passwd
just with your file instead.
In this example I used the file /etc/password, using the special variable ${RANDOM}
(about which I learned here), and the sed
expression you had, only difference is that I am using double quotes instead of single to allow the variable expansion.
Using arrow function :
You must install stage-2:
npm install babel-preset-stage-2 :
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
value=0
}
}
changeValue = (data) => (e) => {
alert(data); //10
this.setState({ [value]: data })
}
render() {
const data = 10;
return (
<div>
<input type="button" onClick={this.changeValue(data)} />
</div>
);
}
}
export default App;
If your app is generating the error related to the multiple .app
files then removing the .plist
files from "Copy bundle Resources" WILL NOT WORK.
If the error is related to .app file then follow the following steps
Select the Target.
Go to Build Phases
tab.
Output Files
General
Tab in Linked Frameworks and Libraries
that Xcode mentioned in the error.Keep adding these libraries (that Xcode ask through compile errors) in Linked Frameworks and Libraries
until the code compiles successfully.
Hope this helps.
Always nice to have:
Dim myPath As String
Dim folderPath As String
folderPath = Application.ActiveWorkbook.Path
myPath = Application.ActiveWorkbook.FullName
.register a:link{
color:#FFFFFF;
}
If you need to rotate and fix the image orientation below extension would be useful.
extension UIImage {
public func imageRotatedByDegrees(degrees: CGFloat) -> UIImage {
//Calculate the size of the rotated view's containing box for our drawing space
let rotatedViewBox: UIView = UIView(frame: CGRect(x: 0, y: 0, width: self.size.width, height: self.size.height))
let t: CGAffineTransform = CGAffineTransform(rotationAngle: degrees * CGFloat.pi / 180)
rotatedViewBox.transform = t
let rotatedSize: CGSize = rotatedViewBox.frame.size
//Create the bitmap context
UIGraphicsBeginImageContext(rotatedSize)
let bitmap: CGContext = UIGraphicsGetCurrentContext()!
//Move the origin to the middle of the image so we will rotate and scale around the center.
bitmap.translateBy(x: rotatedSize.width / 2, y: rotatedSize.height / 2)
//Rotate the image context
bitmap.rotate(by: (degrees * CGFloat.pi / 180))
//Now, draw the rotated/scaled image into the context
bitmap.scaleBy(x: 1.0, y: -1.0)
bitmap.draw(self.cgImage!, in: CGRect(x: -self.size.width / 2, y: -self.size.height / 2, width: self.size.width, height: self.size.height))
let newImage: UIImage = UIGraphicsGetImageFromCurrentImageContext()!
UIGraphicsEndImageContext()
return newImage
}
public func fixedOrientation() -> UIImage {
if imageOrientation == UIImageOrientation.up {
return self
}
var transform: CGAffineTransform = CGAffineTransform.identity
switch imageOrientation {
case UIImageOrientation.down, UIImageOrientation.downMirrored:
transform = transform.translatedBy(x: size.width, y: size.height)
transform = transform.rotated(by: CGFloat.pi)
break
case UIImageOrientation.left, UIImageOrientation.leftMirrored:
transform = transform.translatedBy(x: size.width, y: 0)
transform = transform.rotated(by: CGFloat.pi/2)
break
case UIImageOrientation.right, UIImageOrientation.rightMirrored:
transform = transform.translatedBy(x: 0, y: size.height)
transform = transform.rotated(by: -CGFloat.pi/2)
break
case UIImageOrientation.up, UIImageOrientation.upMirrored:
break
}
switch imageOrientation {
case UIImageOrientation.upMirrored, UIImageOrientation.downMirrored:
transform.translatedBy(x: size.width, y: 0)
transform.scaledBy(x: -1, y: 1)
break
case UIImageOrientation.leftMirrored, UIImageOrientation.rightMirrored:
transform.translatedBy(x: size.height, y: 0)
transform.scaledBy(x: -1, y: 1)
case UIImageOrientation.up, UIImageOrientation.down, UIImageOrientation.left, UIImageOrientation.right:
break
}
let ctx: CGContext = CGContext(data: nil,
width: Int(size.width),
height: Int(size.height),
bitsPerComponent: self.cgImage!.bitsPerComponent,
bytesPerRow: 0,
space: self.cgImage!.colorSpace!,
bitmapInfo: CGImageAlphaInfo.premultipliedLast.rawValue)!
ctx.concatenate(transform)
switch imageOrientation {
case UIImageOrientation.left, UIImageOrientation.leftMirrored, UIImageOrientation.right, UIImageOrientation.rightMirrored:
ctx.draw(self.cgImage!, in: CGRect(x: 0, y: 0, width: size.height, height: size.width))
default:
ctx.draw(self.cgImage!, in: CGRect(x: 0, y: 0, width: size.width, height: size.height))
break
}
let cgImage: CGImage = ctx.makeImage()!
return UIImage(cgImage: cgImage)
}
}
All previous answers suggest to read though the whole file and count the amount of newlines you find while doing this. You commented some as "not effective" but thats the only way you can do that. A "line" is nothing else as a simple character inside the file. And to count that character you must have a look at every single character within the file.
I'm sorry, but you have no choice. :-)
http://jira.springframework.org/browse/SPR-6464 provided me with what I needed to get things working until Spring MVC offers the functionality (potentially in the 3.0.2 release). Although I simply implemented the classes they have temporarily and added the filter to my web application context. Works great!
Was trying the following in the lldb
pane
[NSString stringWithFormat:@"%@/%@/%@", three, two, one];
which errors.
instead use alloc and initWithFormat
method:
[[NSString alloc] initWithFormat:@"%@/%@/%@", @"three", @"two", @"one"];
You can also pass value directly via URL.
If you want to call method
public static void calling(string name){....}
then you should call usingHttpWebRequest webrequest = (HttpWebRequest)WebRequest.Create("http://localhost:****/Report/calling?name=Priya);
webrequest.Method = "GET";
webrequest.ContentType = "application/text";
Just make sure you are using ?Object = value
in URL
mongodb.com -> new project -> new cluster -> new collection -> connect -> IP address: 0.0.0.0/0 & db cred -> connect your application -> copy connection string and paste in .env file of your node app and make sure to replace "" with the actual password for the user and also replace "/test" with your db name
create new file .env
CONNECTIONSTRING=x --> const client = new MongoClient(CONNECTIONSTRING)
PORT=8080
JWTSECRET=mysuper456secret123phrase
I have also faced the similar problem with the following details Java 1.8.0_121, Spark spark-1.6.1-bin-hadoop2.6, Windows 10 and Eclipse Oxygen.When I ran my WordCount.java in Eclipse using HADOOP_HOME as a system variable as mentioned in the previous post, it did not work, what worked for me is -
System.setProperty("hadoop.home.dir", "PATH/TO/THE/DIR");
PATH/TO/THE/DIR/bin=winutils.exe whether you run within Eclipse as a Java application or by spark-submit from cmd using
spark-submit --class groupid.artifactid.classname --master local[2] /path to the jar file created using maven /path to a demo test file /path to output directory command
Example: Go to the bin location of Spark/home/location/bin and execute the spark-submit as mentioned,
D:\BigData\spark-2.3.0-bin-hadoop2.7\bin>spark-submit --class com.bigdata.abdus.sparkdemo.WordCount --master local[1] D:\BigData\spark-quickstart\target\spark-quickstart-0.0.1-SNAPSHOT.jar D:\BigData\spark-quickstart\wordcount.txt
Sub AddColor()
For Each cell In Selection
R = Round(cell.Value)
G = Round(cell.Offset(0, 1).Value)
B = Round(cell.Offset(0, 2).Value)
Cells(cell.Row, 1).Resize(1, 4).Interior.Color = RGB(R, G, B)
Next cell
End Sub
Assuming that there are 3 columns R, G and B (in this order). Select first column ie R. press alt+F11 and run the above code. We have to select the first column (containing R or red values) and run the code every time we change the values to reflect the changes.
I hope this simpler code helps !
Here is the function example trim generic type of array object
const trimArrayObject = <T>(items: T[]) => {
items.forEach(function (o) {
for (let [key, value] of Object.entries(o)) {
const keyName = <keyof typeof o>key;
if (Array.isArray(value)) {
trimArrayObject(value);
} else if (typeof o[keyName] === "string") {
o[keyName] = value.trim();
}
}
});
};
Assuming that you use mysql, you could use fields that are not case sensitive: http://dev.mysql.com/doc/refman/5.0/en/case-sensitivity.html
In the MySQL Workbech version 6.2 don't exits the PreferenceSQLQueries
options.
SET SQL_SAFE_UPDATES=0;
Without knowing what your data looks like, i.e. the complexity, size, etc...XML is easy to maintain and easily accessible. I would NOT use an Access database, and flat files are more difficult to maintain over the long haul, particularly if you are dealing with more than one data field/element in your file.
I deal with large flat-file data feeds in good quantities daily, and even though an extreme example, flat-file data is much more difficult to maintain than the XML data feeds I process.
A simple example of loading XML data into a dataset using C#:
DataSet reportData = new DataSet();
reportData.ReadXml(fi.FullName);
You can also check out LINQ to XML as an option for querying the XML data...
HTH...
Error Code: 1005
I had a similar issue, so here are few things that I did try (not in any order, except for the solution :) )
Finally, I saw that I had two editors open. One that in PhpStorm (JetBrains) and the other MySQL workbench. It seems that the PhpStorm / MySQL Workbench creates some kind of edit lock.
I closed PhpStorm just to check if locking was the case (it could have been the other way around). This solved my problem.
$hash_type$salt$password
If the hash does not use a salt, then there is no $
sign for that. The actual hash in your case is after the 2nd $
The reason for this is, so you can have many types of hashes with different salts and feeds that string into a function that knows how to match it with some other value.
If you are using ES6 you can:
var sample = [1, 2, 3]
var result = sample.filter(elem => elem !== 2)
/* output */
[1, 3]
Also take notice filter does not update the existing array it will return a new filtered array every time.
If you need an easier way to do it, and don't want much fuss, a simple execution could be:
raise Exception.new('something bad happened!')
This will raise an exception, say e
with e.message = something bad happened!
and then you can rescue it as you are rescuing all other exceptions in general.
The following function will perform a lot faster than the option suggested in the accepted answer:
var repeat = function(str, count) {
var array = [];
for(var i = 0; i < count;)
array[i++] = str;
return array.join('');
}
You'd use it like this :
var repeatedString = repeat("a", 10);
To compare the performance of this function with that of the option proposed in the accepted answer, see this Fiddle and this Fiddle for benchmarks.
In modern browsers, you can now do this using String.prototype.repeat
method:
var repeatedString = "a".repeat(10);
Read more about this method on MDN.
This option is even faster. Unfortunately, it doesn't work in any version of Internet explorer. The numbers in the table specify the first browser version that fully supports the method:
Implemented the same in scala, Please help urself with converting to Java, the core logic and functions used stays the same.
import java.text.SimpleDateFormat
import org.apache.commons.lang.time.DateUtils
object MultiDataFormat {
def main(args: Array[String]) {
val dates =Array("2015-10-31","26/12/2015","19-10-2016")
val possibleDateFormats:Array[String] = Array("yyyy-MM-dd","dd/MM/yyyy","dd-MM-yyyy")
val sdf = new SimpleDateFormat("yyyy-MM-dd") //change it as per the requirement
for (date<-dates) {
val outputDate = DateUtils.parseDateStrictly(date, possibleDateFormats)
System.out.println("inputDate ==> " + date + ", outputDate ==> " +outputDate + " " + sdf.format(outputDate) )
}
}
}
The basic difference is, like you stated, generating GUI events from the BackgroundWorker
. If the thread does not need to update the display or generate events for the main GUI thread, then it can be a simple thread.
A[A==NDV]=numpy.nan
A==NDV will produce a boolean array that can be used as an index for A
The only way that I have found to do this is VIM or Notepad++.
SELECT convert(datetime, '23/07/2009', 103)
Instead of using a submit button, try using a <button type="button">Submit</button>
You can then call a javascript function in the button, and after the alert popup is confirmed, you can manually submit the form with document.getElementById("form").submit(); ... so you'll need to name and id your form for that to work.
There is also a Stanford free lib as an alternative to Cryptojs
To handle many newline delimiters, including character combinations like \r\n
, use splitlines.
Combine join and splitlines to remove/replace all newlines from a string s
:
''.join(s.splitlines())
To remove exactly one trailing newline, pass True
as the keepends
argument to retain the delimiters, removing only the delimiters on the last line:
def chomp(s):
if len(s):
lines = s.splitlines(True)
last = lines.pop()
return ''.join(lines + last.splitlines())
else:
return ''
If you want to support text formatting from within your strings.xml
file, you have to escape the tags – or use a CDATA section.. Otherwise Android simply ignores them when reading the resource file.
e.g
<string name="hello_world">
<![CDATA[
<p>This is a html-formatted string with <b>bold</b> and <i>italic</i> text</p>
<p>This is another paragraph of the same string.</p>
]]>
</string>
OR
String styledText = "This is <font color='red'>simple</font>.";
textView.setText(Html.fromHtml(styledText), TextView.BufferType.SPANNABLE);
function cloneFunction(Func, ...args) {
function newThat(...args2) {
return new Func(...args2);
}
function clone() {
if (this instanceof clone) {
return newThat(...args);
}
return Func.apply(this, args);
}
for (const key in Func) {
if (Func.hasOwnProperty(key)) {
clone[key] = Func[key];
}
}
Object.defineProperty(clone, 'name', { value: Func.name, configurable: true })
return clone
};
function myFunction() {
console.log('Called Function')
}
myFunction.value = 'something';
const newFunction = cloneFunction(myFunction);
newFunction.another = 'somethingelse';
console.log('Equal? ', newFunction === myFunction);
console.log('Names: ', myFunction.name, newFunction.name);
console.log(myFunction);
console.log(newFunction);
console.log('InstanceOf? ', newFunction instanceof myFunction);
myFunction();
newFunction();
While I would never recommend using this, I thought it would be an interesting little challenge to come up with a more precise clone by taking some of the practices that seemed to be the best and fixing it up a bit. Heres the result of the logs:
Equal? false
Names: myFunction myFunction
{ [Function: myFunction] value: 'something' }
{ [Function: myFunction] value: 'something', another: 'somethingelse' }
InstanceOf? false
Called Function
Called Function
An abstract class can be used instead of an interface (in C# 7.3).
// Like interface
abstract class IIO
{
public virtual async Task<string> DoOperation(string Name)
{
throw new NotImplementedException(); // throwing exception
// return await Task.Run(() => { return ""; }); // or empty do
}
}
// Implementation
class IOImplementation : IIO
{
public override async Task<string> DoOperation(string Name)
{
return await await Task.Run(() =>
{
if(Name == "Spiderman")
return "ok";
return "cancel";
});
}
}
On the side note, here is how the various plyr
functions correspond to the base *apply
functions (from the intro to plyr document from the plyr webpage http://had.co.nz/plyr/)
Base function Input Output plyr function
---------------------------------------
aggregate d d ddply + colwise
apply a a/l aaply / alply
by d l dlply
lapply l l llply
mapply a a/l maply / mlply
replicate r a/l raply / rlply
sapply l a laply
One of the goals of plyr
is to provide consistent naming conventions for each of the functions, encoding the input and output data types in the function name. It also provides consistency in output, in that output from dlply()
is easily passable to ldply()
to produce useful output, etc.
Conceptually, learning plyr
is no more difficult than understanding the base *apply
functions.
plyr
and reshape
functions have replaced almost all of these functions in my every day use. But, also from the Intro to Plyr document:
Related functions
tapply
andsweep
have no corresponding function inplyr
, and remain useful.merge
is useful for combining summaries with the original data.
When covering pointers on a programming course at university, we were given two hints as to how to begin learning about them. The first was to view Pointer Fun With Binky. The second was to think about the Haddocks' Eyes passage from Lewis Carroll's Through the Looking-Glass
“You are sad,” the Knight said in an anxious tone: “Let me sing you a song to comfort you.”
“Is it very long?” Alice asked, for she had heard a good deal of poetry that day.
“It's long,” said the Knight, “but it's very, very beautiful. Everybody that hears me sing it - either it brings the tears to their eyes, or else -”
“Or else what?” said Alice, for the Knight had made a sudden pause.
“Or else it doesn't, you know. The name of the song is called ‘Haddocks' Eyes.’”
“Oh, that's the name of the song, is it?" Alice said, trying to feel interested.
“No, you don't understand,” the Knight said, looking a little vexed. “That's what the name is called. The name really is ‘The Aged Aged Man.’”
“Then I ought to have said ‘That's what the song is called’?” Alice corrected herself.
“No, you oughtn't: that's quite another thing! The song is called ‘Ways And Means’: but that's only what it's called, you know!”
“Well, what is the song, then?” said Alice, who was by this time completely bewildered.
“I was coming to that,” the Knight said. “The song really is ‘A-sitting On A Gate’: and the tune's my own invention.”
I thought I had misunderstood but I was right. In this scenario, it will be ActiveWorkbook.Path
But the main issue was not here. The problem was with these 2 lines of code
strFile = Dir(strPath & "*.csv")
Which should have written as
strFile = Dir(strPath & "\*.csv")
and
With .QueryTables.Add(Connection:="TEXT;" & strPath & strFile, _
Which should have written as
With .QueryTables.Add(Connection:="TEXT;" & strPath & "\" & strFile, _
To display the current date function:
Calendar c = Calendar.getInstance();
SimpleDateFormat df = new SimpleDateFormat("dd-MMM-yyyy");
String date = df.format(c.getTime());
Date.setText(date);
You must want to import
import java.text.SimpleDateFormat; import java.util.Calendar;
You must want to use
TextView Date;
Date = (TextView) findViewById(R.id.Date);
A few things happening here:
This should work:
var http = require('http')
, fs = require('fs')
, options
options = {
host: 'www.google.com'
, port: 80
, path: '/images/logos/ps_logo2.png'
}
var request = http.get(options, function(res){
var imagedata = ''
res.setEncoding('binary')
res.on('data', function(chunk){
imagedata += chunk
})
res.on('end', function(){
fs.writeFile('logo.png', imagedata, 'binary', function(err){
if (err) throw err
console.log('File saved.')
})
})
})
You can use normal CSS selectors to select an element by name using jquery. Like this:
Button Code
<button type="button" name="mybutton">Click Me!</button>
Selector & Event Bind Code
$("button[name='mybutton']").click(function() {});
Although not exactly answering the question as formulated, but if you need or can take the end result as string you can also use
string s = Char.ConvertFromUtf32(56);
which will give you surrogate UTF-16 pairs if needed, protecting you if you are out side of the BMP.
To get the current time in the local timezone as a naive datetime object:
from datetime import datetime
naive_dt = datetime.now()
If it doesn't return the expected time then it means that your computer is misconfigured. You should fix it first (it is unrelated to Python).
To get the current time in UTC as a naive datetime object:
naive_utc_dt = datetime.utcnow()
To get the current time as an aware datetime object in Python 3.3+:
from datetime import datetime, timezone
utc_dt = datetime.now(timezone.utc) # UTC time
dt = utc_dt.astimezone() # local time
To get the current time in the given time zone from the tz database:
import pytz
tz = pytz.timezone('Europe/Berlin')
berlin_now = datetime.now(tz)
It works during DST transitions. It works if the timezone had different UTC offset in the past i.e., it works even if the timezone corresponds to multiple tzinfo objects at different times.
I'll add a bit hint: it seems what you pass as the key value of a header depends on your authorization type, in my case that was PRIVATE-TOKEN
header = {'PRIVATE-TOKEN': 'my_token'}
response = requests.get(myUrl, headers=header)
React recommends bind this in all methods that needs to use this of class
instead this of self function
.
constructor(props) {
super(props)
this.onClick = this.onClick.bind(this)
}
onClick () {
this.setState({...})
}
Or you may to use arrow function
instead.
I found the answer on GitHub for Swift2
https://github.com/Alamofire/Alamofire/issues/641
Alamofire.request(.GET, URLString, parameters: ["foo": "bar"])
.responseJSON { request, response, result in
switch result {
case .Success(let JSON):
print("Success with JSON: \(JSON)")
case .Failure(let data, let error):
print("Request failed with error: \(error)")
if let data = data {
print("Response data: \(NSString(data: data, encoding: NSUTF8StringEncoding)!)")
}
}
}
one other way to improve and style the multi-line text is
<button>Click here to<br/>
<span style="color:red;">start playing</span>
</button>
Create an empty file using notepad and name it .htaccess ,Then copy that file in your project directory and add this line and save.
AddType application/x-httpd-php .htm .html
else save the .html file using .php as php can support html,and save it in computer/var/www/html path(linux)
You should probably use the ngHref directive along with the ngClick:
<a ng-href='#here' ng-click='go()' >click me</a>
Here is an example: http://plnkr.co/edit/FSH0tP0YBFeGwjIhKBSx?p=preview
<body ng-controller="MainCtrl">
<p>Hello {{name}}!</p>
{{msg}}
<a ng-href='#here' ng-click='go()' >click me</a>
<div style='height:1000px'>
<a id='here'></a>
</div>
<h1>here</h1>
</body>
var app = angular.module('plunker', []);
app.controller('MainCtrl', function($scope) {
$scope.name = 'World';
$scope.go = function() {
$scope.msg = 'clicked';
}
});
I don't know if this will work with the library you are using but it will at least let you link and use the ngClick function.
** Update **
Here is a demo of the set and get working fine with a service.
http://plnkr.co/edit/FSH0tP0YBFeGwjIhKBSx?p=preview
var app = angular.module('plunker', []);
app.controller('MainCtrl', function($scope, sharedProperties) {
$scope.name = 'World';
$scope.go = function(item) {
sharedProperties.setListName(item);
}
$scope.getItem = function() {
$scope.msg = sharedProperties.getListName();
}
});
app.service('sharedProperties', function () {
var list_name = '';
return {
getListName: function() {
return list_name;
},
setListName: function(name) {
list_name = name;
}
};
});
* Edit *
Please review https://github.com/centralway/lungo-angular-bridge which talks about how to use lungo and angular. Also note that if your page is completely reloading when browsing to another link, you will need to persist your shared properties into localstorage and/or a cookie.
There is may be pre-added UIRefreshControl
. I have this problem with code like this:
self.refreshControl = [[UIRefreshControl alloc] init];{
[self.refreshControl setAttributedTitle:[[NSAttributedString alloc]
initWithString:@"Your string"]];
[self.refreshControl addTarget:self
action:@selector(updateScreen)
forControlEvents:UIControlEventValueChanged];
}
As you see, I set self.refreshController
immediately after init
But, if you set refreshControl
after setup, then top-space don't interfere you.
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];{
[self.refreshControl setAttributedTitle:[[NSAttributedString alloc]
initWithString:@"Your String"]];
[self.refreshControl addTarget:self
action:@selector(updateScreen)
forControlEvents:UIControlEventValueChanged];
self.refreshControl = refreshControl;
}
Example of using PHP to get a value from a form:
Put this in foobar.php:
<html>
<body>
<form action="foobar_submit.php" method="post">
<input name="my_html_input_tag" value="PILLS HERE"/>
<input type="submit" name="my_form_submit_button"
value="Click here for penguins"/>
</form>
</body>
</html>
Read the above code so you understand what it is doing:
"foobar.php is an HTML document containing an HTML form. When the user presses the submit button inside the form, the form's action property is run: foobar_submit.php
. The form will be submitted as a POST request. Inside the form is an input tag with the name "my_html_input_tag". It's default value is "PILLS HERE". That causes a text box to appear with text: 'PILLS HERE' on the browser. To the right is a submit button, when you click it, the browser url changes to foobar_submit.php
and the below code is run.
Put this code in foobar_submit.php in the same directory as foobar.php:
<?php
echo $_POST['my_html_input_tag'];
echo "<br><br>";
print_r($_POST);
?>
Read the above code so you know what its doing:
The HTML form from above populated the $_POST superglobal with key/value pairs representing the html elements inside the form. The echo prints out the value by key: 'my_html_input_tag'. If the key is found, which it is, its value is returned: "PILLS HERE".
Then print_r prints out all the keys and values from $_POST so you can peek as to what else is in there.
The value of the input tag with name=my_html_input_tag
was put into the $_POST and you retrieved it inside another PHP file.
If you have a project consisting of multiple Python files and you want to start running/debugging with the main program independent of which file is current you create the following launch configuration (change MyMain.py
to your main file).
{
"version": "0.2.0",
"configurations": [
{
"name": "Python: Main File",
"type": "python",
"request": "launch",
"program": "${workspaceFolder}/MyMain.py",
"console": "integratedTerminal",
"cwd": "${workspaceFolder}"
}
]
}
For calling javascript in your action link you simply need to write actionlink like this:
@Html.ActionLink("Delete", "Your-Action", new { id = item.id },
new { onclick="return confirm('Are you sure?');"})
Don't get confused between route values and the html attributes.
just use V to select lines or v to select chars or Ctrlv to select a block.
When the selection spans the area you'd like to copy just hit y and use p to paste it anywhere you like...
From Effective Go:
To delete a map entry, use the delete built-in function, whose arguments are the map and the key to be deleted. It's safe to do this even if the key is already absent from the map.
delete(timeZone, "PDT") // Now on Standard Time
Using @angular/forms
when you use a <form>
tag it automatically creates a FormGroup
.
For every contained ngModel
tagged <input>
it will create a FormControl
and add it into the FormGroup
created above; this FormControl
will be named into the FormGroup
using attribute name
.
Example:
<form #f="ngForm">
<input type="text" [(ngModel)]="firstFieldVariable" name="firstField">
<span>{{ f.controls['firstField']?.value }}</span>
</form>
Said this, the answer to your question follows.
When you mark it as standalone: true
this will not happen (it will not be added to the FormGroup
).
Reference: https://github.com/angular/angular/issues/9230#issuecomment-228116474
You can use \n
to concatenate words and then apply this style to container div.
style="white-space: pre;"
More info can be found at https://developer.mozilla.org/en-US/docs/Web/CSS/white-space
<p style="white-space: pre;">_x000D_
This is normal text._x000D_
</p>_x000D_
<p style="white-space: pre;">_x000D_
This _x000D_
text _x000D_
contains _x000D_
new lines._x000D_
</p>
_x000D_
Also, the comment tag
<comment></comment>
is only supported in IE 8 and below, so if that's exactly what you're trying to target, you could wrap them in comment tag. They're the same as
<!--[if lte IE 8]><![endif]-->
In which lte means "less than or equal to".
See: Conditional Comments.
I believe the right answer is "it depends".
As others have pointed out, if the web application that is processing your request is naively receiving and echoing back the received payload or URL parameters (for GET requests) then it might be subject to code injection.
However, if the web application sanitizes and/or filters payload/parameters, it shouldn't be a problem.
It also depends on the user agent (e.g. browser), a customized user agent might inject code without user notice if it detects any in the request (don't know of any public one, but that is also possible).
I had the same problem, but I solve this with the following class:
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.password.NoOpPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
@Configuration
@EnableWebSecurity
public class OAuthSecurityConfiguration extends WebSecurityConfigurerAdapter {
@Bean
@Override
public AuthenticationManager authenticationManager() throws Exception {
return super.authenticationManager();
}
@Bean
public PasswordEncoder passwordEncoder() {
return NoOpPasswordEncoder.getInstance();
}
}
Ctrl + Shift + J opens Developer Tools.
There is two ways: regular expressions and string (str) methods.
String methods are usually faster ( ~2x ).
import re, timeit
p = re.compile('.*(.mp3|.avi)$', re.IGNORECASE)
file_name = 'test.mp3'
print(bool(t.match(file_name))
%timeit bool(t.match(file_name)
792 ns ± 1.83 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
file_name = 'test.mp3'
extensions = ('.mp3','.avi')
print(file_name.lower().endswith(extensions))
%timeit file_name.lower().endswith(extensions)
274 ns ± 4.22 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
From the documentation on http://curl.haxx.se/docs/httpscripting.html :
HTTP Authentication
curl --user name:password http://www.example.com
Put a file to a HTTP server with curl:
curl --upload-file uploadfile http://www.example.com/receive.cgi
Send post data with curl:
curl --data "birthyear=1905&press=%20OK%20" http://www.example.com/when.cgi
I suggest you to have a ~/.mongorc.js
file so you do not have to set the default size everytime.
# execute in your terminal
touch ~/.mongorc.js
echo 'DBQuery.shellBatchSize = 100;' > ~/.mongorc.js
# add one more line to always prettyprint the ouput
echo 'DBQuery.prototype._prettyShell = true; ' >> ~/.mongorc.js
To know more about what else you can do, I suggest you to look at this article: http://mo.github.io/2017/01/22/mongo-db-tips-and-tricks.html
Probably the only choice is to read it on the client side and transfer it manually to the server (GET/POST/AJAX). Regards Artur
You may see also how to play with back button and browser history at Malcan
Internet Control Message Protocol
http://en.wikipedia.org/wiki/Internet_Control_Message_Protocol
ICMP is built on top of a bunch of other protocols, so in that sense your TA is correct. However, ping itself is ICMP.
For anyone who doesn't have the guarantee that the list will not be null, you can use the null-conditional operator to safely check for null and empty lists in a single conditional statement:
if (list?.Any() != true)
{
// Handle null or empty list
}
You might be interested in the StringTokenizer class. However, the java docs advise that you use the .split method as StringTokenizer is a legacy class.
Here is my Maven setup. You can use it as an example. You don't need anything else in order to use Maven.
M2_HOME is used for both Maven 2 and 3
export M2_HOME=/Users/xxx/sdk/apache-maven-3.0.5
export M2=$M2_HOME/bin
export MAVEN_OPTS="-Xmx1048m -Xms256m -XX:MaxPermSize=312M"
export PATH=$M2:$PATH
Case 1 : Yes, this works fine.
Case 2 : This will fail with the error ORA-01441 : cannot decrease column length because some value is too big.
Share and enjoy.
See String.format
method.
String s = "hello %s!";
s = String.format(s, "world");
assertEquals(s, "hello world!"); // should be true
I am trying to set a JPanel's background using an image, however, every example I find seems to suggest extending the panel with its own class
yes you will have to extend JPanel
and override the paintcomponent(Graphics g)
function to do so.
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.drawImage(bgImage, 0, 0, null);
}
I have been looking for a way to simply add the image without creating a whole new class and within the same method (trying to keep things organized and simple).
You can use other component which allows to add image as icon directly e.g. JLabel
if you want.
ImageIcon icon = new ImageIcon(imgURL);
JLabel thumb = new JLabel();
thumb.setIcon(icon);
But again in the bracket trying to keep things organized and simple !! what makes you to think that just creating a new class will lead you to a messy world ?
My situation was settings text color in the options menu (main app menu showed on menu button press).
Tested in API 16 with appcompat-v7-27.0.2 library, AppCompatActivity
for MainActivity
and AppCompat
theme for the application in AndroidManifest.xml.
styles.xml:
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="actionBarPopupTheme">@style/PopupTheme</item>
</style>
<style name="PopupTheme" parent="@style/ThemeOverlay.AppCompat.Light">
<item name="android:textColorSecondary">#f00</item>
</style>
Don't know if that textColorSecondary
affects other elements but it controls the menu text color.
I searched some examples on the topic but all ready-to-use snippets didn't work.
So I wanted to investigate it with the source code for the appcompat-v7 library (specifically with the res folder of the .aar package).
Though in my case I used Eclipse with exploded .aar dependencies. So I could change the default styles and check the results. Don't know how to explode the libraries to use with Gradle or Android Studio directly. It deserves another thread of investigation.
So my purpose was so find which color in the res/values/values.xml file is used for the menu text (I was almost sure the color was there).
#f00
value to all of them.secondary_text_default_material_light
color item.@color/abc_secondary_text_material_light
.Base.ThemeOverlay.AppCompat.Light
and Platform.AppCompat.Light
.android:textColorSecondary
and android:textColorTertiary
in the Base.ThemeOverlay.AppCompat.Light
.android:textColorSecondary
.Theme.AppCompat.Light
and not the ThemeOverlay.AppCompat.Light
).Base.ThemeOverlay.AppCompat.Light
. It had a child ThemeOverlay.AppCompat.Light
.ThemeOverlay.AppCompat.Light
I found its usage in the Base.Theme.AppCompat.Light.DarkActionBar
theme as the actionBarPopupTheme
attribute value.Theme.AppCompat.Light.DarkActionBar
was a child of the found Base.Theme.AppCompat.Light.DarkActionBar
so I could use that attribute in my styles.xml without problems.ThemeOverlay.AppCompat.Light
and changed the android:textColorSecondary
attribute.Not sure why you specify that it has to be within Angular. It's easily accomplished through JavaScript. Look at the navigator
object.
Just open up your console and inspect navigator
. It seems what you're specifically looking for is .userAgent
or .appVersion
.
I don't have IE9 installed, but you could try this following code
//Detect if IE 9
if(navigator.appVersion.indexOf("MSIE 9.")!=-1)
I had a similar problem with a new ASP.NET Core application a while ago. Turns out one of the referenced libraries used a version of Newtonsoft.Json that was lower than 9.0.0.0. So I upgraded the version for that library and the problem was solved. Not sure if you'll be able to do the same here
The following code works for me:
Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, 2);
And here is the result:
protected void onActivityResult(int requestCode, int resultCode, Intent imageReturnedIntent)
{
super.onActivityResult(requestCode, resultCode, imageReturnedIntent);
if(resultCode == RESULT_OK)
{
Uri selectedImage = imageReturnedIntent.getData();
ImageView photo = (ImageView) findViewById(R.id.add_contact_label_photo);
Bitmap mBitmap = null;
try
{
mBitmap = Media.getBitmap(this.getContentResolver(), selectedImage);
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
Assume that you have
const appRoutes: Routes = [
{path: 'recipes', component: RecipesComponent }
];
<a routerLink ="recipes">Recipes</a>
It means that clicking Recipes hyperlink will jump to http://localhost:4200/recipes
Assume that the parameter is 1
<a [routerLink] = "['/recipes', parameter]"></a>
It means that passing dynamic parameter, 1 to the link, then you navigate to http://localhost:4200/recipes/1
First of all, the annotation doesn't annotate List
. It annotates the method, just as RequestMapping
does. Your code is equivalent to
@RequestMapping(value="/orders", method=RequestMethod.GET)
@ResponseBody
public List<Account> accountSummary() {
return accountManager.getAllAccounts();
}
Now what the annotation means is that the returned value of the method will constitute the body of the HTTP response. Of course, an HTTP response can't contain Java objects. So this list of accounts is transformed to a format suitable for REST applications, typically JSON or XML.
The choice of the format depends on the installed message converters, on the values of the produces
attribute of the @RequestMapping
annotation, and on the content type that the client accepts (that is available in the HTTP request headers). For example, if the request says it accepts XML, but not JSON, and there is a message converter installed that can transform the list to XML, then XML will be returned.
Use grep -vc
to ignore grep
in the ps
output and count the lines simultaneously.
if [[ $(ps aux | grep process | grep -vc grep) > 0 ]] ; then echo 1; else echo 0 ; fi
When you call Business.where(:user_id => current_user.id)
you will get an array. This Array may have no objects or one or many objects in it, but it won't be null. Thus the check == nil will never be true.
You can try the following:
if Business.where(:user_id => current_user.id).count == 0
So you check the number of elements in the array and compare them to zero.
or you can try:
if Business.find_by_user_id(current_user.id).nil?
this will return one or nil.
char_seen = []
for char in string:
if char not in char_seen:
char_seen.append(char)
print(''.join(char_seen))
This will preserve the order in which alphabets are coming,
output will be
abcd
This enhances the accepted answer by decorating the $http service with an abort method as follows ...
'use strict';
angular.module('admin')
.config(["$provide", function ($provide) {
$provide.decorator('$http', ["$delegate", "$q", function ($delegate, $q) {
var getFn = $delegate.get;
var cancelerMap = {};
function getCancelerKey(method, url) {
var formattedMethod = method.toLowerCase();
var formattedUrl = encodeURI(url).toLowerCase().split("?")[0];
return formattedMethod + "~" + formattedUrl;
}
$delegate.get = function () {
var cancelerKey, canceler, method;
var args = [].slice.call(arguments);
var url = args[0];
var config = args[1] || {};
if (config.timeout == null) {
method = "GET";
cancelerKey = getCancelerKey(method, url);
canceler = $q.defer();
cancelerMap[cancelerKey] = canceler;
config.timeout = canceler.promise;
args[1] = config;
}
return getFn.apply(null, args);
};
$delegate.abort = function (request) {
console.log("aborting");
var cancelerKey, canceler;
cancelerKey = getCancelerKey(request.method, request.url);
canceler = cancelerMap[cancelerKey];
if (canceler != null) {
console.log("aborting", cancelerKey);
if (request.timeout != null && typeof request.timeout !== "number") {
canceler.resolve();
delete cancelerMap[cancelerKey];
}
}
};
return $delegate;
}]);
}]);
WHAT IS THIS CODE DOING?
To cancel a request a "promise" timeout must be set. If no timeout is set on the HTTP request then the code adds a "promise" timeout. (If a timeout is set already then nothing is changed).
However, to resolve the promise we need a handle on the "deferred". We thus use a map so we can retrieve the "deferred" later. When we call the abort method, the "deferred" is retrieved from the map and then we call the resolve method to cancel the http request.
Hope this helps someone.
LIMITATIONS
Currently this only works for $http.get but you can add code for $http.post and so on
HOW TO USE ...
You can then use it, for example, on state change, as follows ...
rootScope.$on('$stateChangeStart', function (event, toState, toParams) {
angular.forEach($http.pendingRequests, function (request) {
$http.abort(request);
});
});
I can't find a single reference that state that it's possible without involving the serverside.
MSDN on:
From browserLanguage:
In Microsoft Internet Explorer 4.0 and earlier, the browserLanguage property reflects the language of the installed browser's user interface. For example, if you install a Japanese version of Windows Internet Explorer on an English operating system, browserLanguage would be ja.
In Internet Explorer 5 and later, however, the browserLanguage property reflects the language of the operating system regardless of the installed language version of Internet Explorer. However, if Microsoft Windows 2000 MultiLanguage version is installed, the browserLanguage property indicates the language set in the operating system's current menus and dialogs, as found in the Regional Options of the Control Panel. For example, if you install a Japanese version of Internet Explorer 5 on an English (United Kingdom) operating system, browserLanguage would be en-gb. If you install Windows 2000 MultiLanguage version and set the language of the menus and dialogs to French, browserLanguage would be fr, even though you have a Japanese version of Internet Explorer.
Note This property does not indicate the language or languages set by the user in Language Preferences, located in the Internet Options dialog box.
Furthermore, it looks like browserLanguage
is deprecated cause IE8 doesn't list it
I would get the part before and after what you want to replace and put them either side.
Like:
var str = 'asd-0.testing';
var regex = /(asd-)\d(\.\w+)/;
var matches = str.match(regex);
var result = matches[1] + "1" + matches[2];
// With ES6:
var result = `${matches[1]}1${matches[2]}`;
StringUtils.isEmptyOrWhitespaceOnly(<your string>)
will check : - is it null - is it only space - is it empty string ""
It was KB2553154. Microsoft needs to release a fix. As a developer of Excel applications we can't go to all our clients computers and delete files off them. We are getting blamed for something Microsoft caused.
From the ansible docs: If a required variable has not been set, you can skip or fail using Jinja2’s defined test. For example:
tasks:
- shell: echo "I've got '{{ foo }}' and am not afraid to use it!"
when: foo is defined
- fail: msg="Bailing out. this play requires 'bar'"
when: bar is not defined
So in your case, when: deployed_revision is not defined
should work
128 characters. This is the max length of the sysname
datatype (nvarchar(128)
).
In Git, to "fast forward" means to update the HEAD
pointer in such a way that its new value is a direct descendant of the prior value. In other words, the prior value is a parent, or grandparent, or grandgrandparent, ...
Fast forwarding is not possible when the new HEAD
is in a diverged state relative to the stream you want to integrate. For instance, you are on master
and have local commits, and git fetch
has brought new upstream commits into origin/master
. The branch now diverges from its upstream and cannot be fast forwarded: your master
HEAD
commit is not an ancestor of origin/master
HEAD
. To simply reset master
to the value of origin/master
would discard your local commits. The situation requires a rebase or merge.
If your local master
has no changes, then it can be fast-forwarded: simply updated to point to the same commit as the latestorigin/master
. Usually, no special steps are needed to do fast-forwarding; it is done by merge
or rebase
in the situation when there are no local commits.
Is it ok to assume that fast-forward means all commits are replayed on the target branch and the HEAD is set to the last commit on that branch?
No, that is called rebasing, of which fast-forwarding is a special case when there are no commits to be replayed (and the target branch has new commits, and the history of the target branch has not been rewritten, so that all the commits on the target branch have the current one as their ancestor.)
I had to remove packages folder close and re-open (VS2015) solution. I was not migrating and I did not have packages checked into source control. All I can say is something got messed up and this fixed it.
You need use Stream to send file (archive) in a response, what is more you have to use appropriate Content-type in your response header.
There is an example function that do it:
const fs = require('fs');
// Where fileName is name of the file and response is Node.js Reponse.
responseFile = (fileName, response) => {
const filePath = "/path/to/archive.rar" // or any file format
// Check if file specified by the filePath exists
fs.exists(filePath, function(exists){
if (exists) {
// Content-type is very interesting part that guarantee that
// Web browser will handle response in an appropriate manner.
response.writeHead(200, {
"Content-Type": "application/octet-stream",
"Content-Disposition": "attachment; filename=" + fileName
});
fs.createReadStream(filePath).pipe(response);
} else {
response.writeHead(400, {"Content-Type": "text/plain"});
response.end("ERROR File does not exist");
}
});
}
}
The purpose of the Content-Type field is to describe the data contained in the body fully enough that the receiving user agent can pick an appropriate agent or mechanism to present the data to the user, or otherwise deal with the data in an appropriate manner.
"application/octet-stream" is defined as "arbitrary binary data" in RFC 2046, purpose of this content-type is to be saved to disk - it is what you really need.
"filename=[name of file]" specifies name of file which will be downloaded.
For more information please see this stackoverflow topic.
Based on (dangerouslySetInnerHTML).
It's a prop that does exactly what you want. However they name it to convey that it should be use with caution
The 2nd line should be written as:
$form.append('<input type="button" value="button">');
server {
server_name xyz.com;
root /home/ubuntu/project_folder/;
client_max_body_size 10M;
access_log /var/log/nginx/project.access.log;
error_log /var/log/nginx/project.error.log;
location /static {
index index.html;
}
location /media {
alias /home/ubuntu/project/media/;
}
}
Server block to live the static page on nginx.
Well, I've got no problem here :
df <- data.frame(v=1:5, x=sample(LETTERS[1:5],5))
df
# v x
# 1 1 D
# 2 2 A
# 3 3 B
# 4 4 C
# 5 5 E
df <- df[order(df$x),]
df
# v x
# 2 2 A
# 3 3 B
# 4 4 C
# 1 1 D
# 5 5 E
According to https://bugzilla.mozilla.org/show_bug.cgi?id=592284, the pref network.http.connection-retry-timeout controls the amount of time in ms (Milliseconds !) to wait for success on the initial connection before beginning the second one. Setting it to 0 disables the parallel connection.
A technique I've used in the past is to use JavaScript to write a session cookie that simply acts as a flag to say that JavaScript is enabled. Then the server-side code looks for this cookie and if it's not found takes action as appropriate. Of course this technique does rely on cookies being enabled!
It is possible, as long as you know what instantiations you are going to need.
Add the following code at the end of stack.cpp and it'll work :
template class stack<int>;
All non-template methods of stack will be instantiated, and linking step will work fine.
I also had this problem. It was caused by the development server not deleting the django session after a debug abort in Aptana, with subsequent database deletion. (Meaning the id of a non-existent database record was still present in the session the next time the development server started)
To resolve this during development, I used
request.session.flush()
Razor syntax is here:
<input type="button" value="Create" onclick="location.href='@Url.Action("Create", "User")'" />
Java has evolved since this issue was first brought up. You can match all manner of unicode space characters by using the \p{Zs}
group.
Thus if you wanted to replace one or more exotic spaces with a plain space you could do this:
String txt = "whatever my string is";
txt.replaceAll("\\p{Zs}+", " ")
Also worth knowing, if you've used the trim()
string function you should take a look at the (relatively new) strip()
, stripLeading()
, and stripTrailing()
functions on strings. The can help you trim off all sorts of squirrely white space characters. For more information on what what space is included, see Java's Character.isWhitespace()
function.
Here is a manual way to do git remote set-url origin [new repo URL]
:
git clone <old remote>
Open <repository>/.git/config
$ git config -e
[core]
repositoryformatversion = 0
filemode = false
bare = false
logallrefupdates = true
symlinks = false
ignorecase = true
[remote "origin"]
url = <old remote>
fetch = +refs/heads/*:refs/remotes/origin/*
[branch "master"]
remote = origin
merge = refs/heads/master
and change the remote (the url option)
[remote "origin"]
url = <new remote>
fetch = +refs/heads/*:refs/remotes/origin/*
Push the repository to GitHub: git push
You can also use both/multiple remotes.
As described in Cast Functions and Operators:
The type for the result can be one of the following values:
BINARY[(N)]
CHAR[(N)]
DATE
DATETIME
DECIMAL[(M[,D])]
SIGNED [INTEGER]
TIME
UNSIGNED [INTEGER]
Therefore, you should use:
SELECT CAST(PROD_CODE AS UNSIGNED) FROM PRODUCT
If you are not using SSMS then here is the syntax:
ALTER TABLE <table_name>
ADD <constraint_name> FOREIGN KEY
(<column_name1> ,
<column_name2> )
REFERENCES <table_name>
(<column_name1> ,
<column_name2>)
Using table aliases in the join condition:
update addresses a
set cid = b.id
from customers b
where a.id = b.id
The accepted answer (its image) is wrong, at least now in QT5. Instead you should assign a layout to the root object/widget (pointing to the aforementioned image, it should be the MainWindow
instead of centralWidget
). Also note that you must have at least one QObject
created beneath it for this to work. Do this and your ui will become responsive to window resizing.
Using Now() is not a good idea. It only save the current time and date. It will not update the the current date and time, when you update your data. If you want to add the time once, The default value =Now() is best option. If you want to use timestamp. and want to update the this value, each time that row is updated. Then, trigger is best option to use.
These two toturial will help to implement the trigger.
Its pretty straight forward to do it with only shell
while read A B C; do
echo "$C"
done < oldfile >newfile
TLDR: Compress and embed your entire css script between your <style></style>
tags.
I've been chasing down that elusive 100/100 score for about a week now. Like you, the last remaining item was was eliminating "render-blocking css for above the fold content."
Surely there is an easy solve?? Nope. I tried out Filament group's loadCSS solution. Too much .js for my liking.
What about async
attributes for css (like js)? They don't exist.
I was ready to give up. Then it dawned on me. If linking the script was blocking the render, what if I instead embedded my entire css in the head instead. That way there was nothing to block.
It seemed absolutely WRONG to embed 1263 lines of CSS in my style tag. But I gave it a whirl. I compressed it (and prefixed it) first using:
postcss -u autoprefixer --autoprefixer.browsers 'last 2 versions' -u cssnano --cssnano.autoprefixer false *.css -d min/
See the NPM postcss package.
Now it was just one LONG line of space-less css. I plopped the css in <style>your;great-wall-of-china-long;css;here</style>
tags on my home page. Then I re-analyzed with page speed insights.
I went from 90/100 to 99/100 on mobile!!!
This goes against everything in me (and probably you). But it SOLVED the problem. I'm just using it on my home page for now and including the compressed css programmatically via a PHP include.
YMMV (your mileage may vary) pending on the length of your css. Google may ding you for too much above the fold content. But don't assume; test!
I'm only doing this on my home page for now so people get a FAST render on my most important page.
Your css won't get cached. I'm not too worried though. The second they hit another page on my site, the .css will get cached (see Note 1).
awk 'NF' filename
awk 'NF > 0' filename
sed -i '/^$/d' filename
awk '!/^$/' filename
awk '/./' filename
The NF also removes lines containing only blanks or tabs, the regex /^$/
does not.
Is there any particular reason that you need to use find
? You can just use ls
to find files that match a pattern in a directory.
ls /dev/abc-*
If you do need to use find
, you can use the -maxdepth 1
switch to only apply to the specified directory.
Check if the user has scrolled past the header ad, then display the footer ad.
if($(your header ad).position().top < 0) { $(your footer ad).show() }
Am I correct at what you are looking for?
For those who are still getting the error even though you added proper keys into Info.plist:
Make sure you are adding the key into correct Info.plist. Newer version of xCode, apparently has 3 Info.plist.
One is under folder with your app's name which solved problem for me.
Second is under YourappnameTests and third one is under YourappnameUITests.
Hope it helps.
You can either do a Response.Redirect("YourPage.aspx");
or a Server.Transfer("YourPage.aspx");
on your button click event.
So it's gonna be like the following:
protected void btnConfirm_Click(object sender, EventArgs e)
{
Response.Redirect("YourPage.aspx");
//or
Server.Transfer("YourPage.aspx");
}
A box bracket pair denotes one of a list object, or an index subscript, my_List[x].
A curly brace pair denotes a dictionary object.
a_list = ['on', 'off', 1, 2]
a_dict = { on: 1, off: 2 }
A great reason to use 'git reset --soft <sha1>
' is to move HEAD
in a bare repo.
If you try to use the --mixed
or --hard
option, you'll get an error since you're trying to modify and working tree and/or index that does not exist.
Note: You will need to do this directly from the bare repo.
Note Again: You will need to make sure the branch you want to reset in the bare repo is the active branch. If not, follow VonC's answer on how to update the active branch in a bare repo when you have direct access to the repo.
You can use a symbolic link. This makes modifying the file in one project modify it in the other (as it's actually the same file).
To do this:
This has it's drawbacks and pitfalls, but I use it on occasion for duplicate libraries that need different names.
Edit for Anoop: Steps to add to Visual Studio:
These are the steps I follow and works for a couple different projects.
You'll need to write an insert trigger, and possible an update trigger if you want it to change when the record is changed. This article explains it quite nicely:
http://www.revsys.com/blog/2006/aug/04/automatically-updating-a-timestamp-column-in-postgresql/
CREATE OR REPLACE FUNCTION update_modified_column() RETURNS TRIGGER AS $$ BEGIN NEW.modified = now(); RETURN NEW; END; $$ language 'plpgsql';
Apply the trigger like this:
CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column();
I've seen occasional problems with Eclipse forgetting that built-in classes (including Object
and String
) exist. The way I've resolved them is to:
This seems to make Eclipse forget whatever incorrect cached information it had about the available classes.
You did everything correctly!
You might also change the email configuration, depending on if the email server is also the same server. The email configuration is in gitlab.yml for the mails sent by GitLab and also the admin-email.
In Linux, this information is available in the /proc file system. I'm not a big fan of the text file format used, as each Linux distribution seems to customize at least one important file. A quick look as the source to 'ps' reveals the mess.
But here is where to find the information you seek:
/proc/meminfo contains the majority of the system-wide information you seek. Here it looks like on my system; I think you are interested in MemTotal, MemFree, SwapTotal, and SwapFree:
Anderson cxc # more /proc/meminfo
MemTotal: 4083948 kB
MemFree: 2198520 kB
Buffers: 82080 kB
Cached: 1141460 kB
SwapCached: 0 kB
Active: 1137960 kB
Inactive: 608588 kB
HighTotal: 3276672 kB
HighFree: 1607744 kB
LowTotal: 807276 kB
LowFree: 590776 kB
SwapTotal: 2096440 kB
SwapFree: 2096440 kB
Dirty: 32 kB
Writeback: 0 kB
AnonPages: 523252 kB
Mapped: 93560 kB
Slab: 52880 kB
SReclaimable: 24652 kB
SUnreclaim: 28228 kB
PageTables: 2284 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 4138412 kB
Committed_AS: 1845072 kB
VmallocTotal: 118776 kB
VmallocUsed: 3964 kB
VmallocChunk: 112860 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
For CPU utilization, you have to do a little work. Linux makes available overall CPU utilization since system start; this probably isn't what you are interested in. If you want to know what the CPU utilization was for the last second, or 10 seconds, then you need to query the information and calculate it yourself.
The information is available in /proc/stat, which is documented pretty well at http://www.linuxhowtos.org/System/procstat.htm; here is what it looks like on my 4-core box:
Anderson cxc # more /proc/stat
cpu 2329889 0 2364567 1063530460 9034 9463 96111 0
cpu0 572526 0 636532 265864398 2928 1621 6899 0
cpu1 590441 0 531079 265949732 4763 351 8522 0
cpu2 562983 0 645163 265796890 682 7490 71650 0
cpu3 603938 0 551790 265919440 660 0 9040 0
intr 37124247
ctxt 50795173133
btime 1218807985
processes 116889
procs_running 1
procs_blocked 0
First, you need to determine how many CPUs (or processors, or processing cores) are available in the system. To do this, count the number of 'cpuN' entries, where N starts at 0 and increments. Don't count the 'cpu' line, which is a combination of the cpuN lines. In my example, you can see cpu0 through cpu3, for a total of 4 processors. From now on, you can ignore cpu0..cpu3, and focus only on the 'cpu' line.
Next, you need to know that the fourth number in these lines is a measure of idle time, and thus the fourth number on the 'cpu' line is the total idle time for all processors since boot time. This time is measured in Linux "jiffies", which are 1/100 of a second each.
But you don't care about the total idle time; you care about the idle time in a given period, e.g., the last second. Do calculate that, you need to read this file twice, 1 second apart.Then you can do a diff of the fourth value of the line. For example, if you take a sample and get:
cpu 2330047 0 2365006 1063853632 9035 9463 96114 0
Then one second later you get this sample:
cpu 2330047 0 2365007 1063854028 9035 9463 96114 0
Subtract the two numbers, and you get a diff of 396, which means that your CPU had been idle for 3.96 seconds out of the last 1.00 second. The trick, of course, is that you need to divide by the number of processors. 3.96 / 4 = 0.99, and there is your idle percentage; 99% idle, and 1% busy.
In my code, I have a ring buffer of 360 entries, and I read this file every second. That lets me quickly calculate the CPU utilization for 1 second, 10 seconds, etc., all the way up to 1 hour.
For the process-specific information, you have to look in /proc/pid; if you don't care abut your pid, you can look in /proc/self.
CPU used by your process is available in /proc/self/stat. This is an odd-looking file consisting of a single line; for example:
19340 (whatever) S 19115 19115 3084 34816 19115 4202752 118200 607 0 0 770 384 2
7 20 0 77 0 266764385 692477952 105074 4294967295 134512640 146462952 321468364
8 3214683328 4294960144 0 2147221247 268439552 1276 4294967295 0 0 17 0 0 0 0
The important data here are the 13th and 14th tokens (0 and 770 here). The 13th token is the number of jiffies that the process has executed in user mode, and the 14th is the number of jiffies that the process has executed in kernel mode. Add the two together, and you have its total CPU utilization.
Again, you will have to sample this file periodically, and calculate the diff, in order to determine the process's CPU usage over time.
Edit: remember that when you calculate your process's CPU utilization, you have to take into account 1) the number of threads in your process, and 2) the number of processors in the system. For example, if your single-threaded process is using only 25% of the CPU, that could be good or bad. Good on a single-processor system, but bad on a 4-processor system; this means that your process is running constantly, and using 100% of the CPU cycles available to it.
For the process-specific memory information, you ahve to look at /proc/self/status, which looks like this:
Name: whatever
State: S (sleeping)
Tgid: 19340
Pid: 19340
PPid: 19115
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 256
Groups: 0 1 2 3 4 6 10 11 20 26 27
VmPeak: 676252 kB
VmSize: 651352 kB
VmLck: 0 kB
VmHWM: 420300 kB
VmRSS: 420296 kB
VmData: 581028 kB
VmStk: 112 kB
VmExe: 11672 kB
VmLib: 76608 kB
VmPTE: 1244 kB
Threads: 77
SigQ: 0/36864
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: fffffffe7ffbfeff
SigIgn: 0000000010001000
SigCgt: 20000001800004fc
CapInh: 0000000000000000
CapPrm: 00000000ffffffff
CapEff: 00000000fffffeff
Cpus_allowed: 0f
Mems_allowed: 1
voluntary_ctxt_switches: 6518
nonvoluntary_ctxt_switches: 6598
The entries that start with 'Vm' are the interesting ones:
The only item I'm not sure about is Swapspace currently used by my process. I don't know if this is available.
You can try this:
pushd ../
maven install [...]
popd
From the terminal run:
sudo apt-get install python3-numpy
This package contains Numpy for Python 3.
For scipy:
sudo apt-get install python3-scipy
For for plotting graphs use pylab:
sudo apt-get install python3-matplotlib
No, you don't have to bother grep.
find $dir -size 0 ! -name "*.xml"
There is a simpler way to solve this then what Slanec described. Hes solution works when you are using an English keyboard, if not you will have a hard time trying to "map" the key for special characters.
Instead of robot.keyPress
and robot.keyRelease
every single key you can use Toolkit
to copy the String to the clipboard and then paste it.
StringSelection s = new StringSelection("Path to the file");
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(s, null);
Robot robot = new Robot();
robot.keyPress(java.awt.event.KeyEvent.VK_ENTER);
robot.keyRelease(java.awt.event.KeyEvent.VK_ENTER);
robot.keyPress(java.awt.event.KeyEvent.VK_CONTROL);
robot.keyPress(java.awt.event.KeyEvent.VK_V);
robot.keyRelease(java.awt.event.KeyEvent.VK_CONTROL);
Thread.sleep(3000);
robot.keyPress(java.awt.event.KeyEvent.VK_ENTER);
If you just want to filter null values out of a stream, you can simply use a method reference to java.util.Objects.nonNull(Object). From its documentation:
This method exists to be used as a Predicate,
filter(Objects::nonNull)
For example:
List<String> list = Arrays.asList( null, "Foo", null, "Bar", null, null);
list.stream()
.filter( Objects::nonNull ) // <-- Filter out null values
.forEach( System.out::println );
This will print:
Foo
Bar
The most likely place to find this sort of information is in the event viewer (under Administrative tools in XP or run eventvwr) This is where most services log warnings errors etc.
Proper way to remove all elements contained in another array is to make source array same object by remove only elements:
Array.prototype.removeContained = function(array) {
var i, results;
i = this.length;
results = [];
while (i--) {
if (array.indexOf(this[i]) !== -1) {
results.push(this.splice(i, 1));
}
}
return results;
};
Or CoffeeScript equivalent:
Array.prototype.removeContained = (array) ->
i = @length
@splice i, 1 while i-- when array.indexOf(@[i]) isnt -1
Testing inside chrome dev tools:
19:33:04.447 a=1
19:33:06.354 b=2
19:33:07.615 c=3
19:33:09.981 arr = [a,b,c]
19:33:16.460 arr1 = arr19:33:20.317 arr1 === arr
19:33:20.331 true19:33:43.592 arr.removeContained([a,c])
19:33:52.433 arr === arr1
19:33:52.438 true
Using Angular framework is the best way to keep pointer to source object when you update collections without large amount of watchers and reloads.
If you are using spring with application.yml the following will work for you
spring:
datasource:
url: jdbc:h2:mem:mydb;DB_CLOSE_ON_EXIT=FALSE;MODE=PostgreSQL;INIT=CREATE SCHEMA IF NOT EXISTS calendar
One nifty trick that I've recently found is to use PHP's create_function()
to create an anonymous/lambda function for one-shot use. It's useful for PHP functions like array_map()
, preg_replace_callback()
, or usort()
that use callbacks for custom processing. It looks pretty much like it does an eval()
under the covers, but it's still a nice functional-style way to use PHP.
I have a reliable way to generate SQL inserts batly,and you can modify partial parameters in processing.It helps me a lot in my work, for example, copy one hundreds data to database with incompatible structure and fields count. IntellIJ DataGrip , the powerful tool i use. DG can batly receive data from WPS office or MS Excel by column or line. after copying, DG can export data as SQL inserts.
You are trying to delete a row that is referenced by another row (possibly in another table).
You need to delete that row first (or at least re-set its foreign key to something else), otherwise you’d end up with a row that references a non-existing row. The database forbids that.
docker images | grep none | awk '{ print $3; }' | xargs docker rmi
You can try this simply
I know this could be a later post, but, for new visitors I will share my solution, as the OP was asking for a way to pass a JSON object via GET (not POST as suggested in other answers).
I have used this in some cases where I only can do GET calls and it works. Also, this solution is practically cross language.
Specify POST method in form
<form name="registrationform" action="register.php" method="post">
your form code
</form>
Compare the folder META-INF in new jar with old jar (before you added new libraries). It is possibility that there will be new files. If yes, you can remove them. It should helps. Regards, 999michal
Another alternative with .lastIndexOf
:
haystack.lastIndexOf(needle, 0) === 0
This looks backwards through haystack
for an occurrence of needle
starting from index 0
of haystack
. In other words, it only checks if haystack
starts with needle
.
In principle, this should have performance advantages over some other approaches:
haystack
.Using pymongo, you need to have both databases on same mongod, I did the following:
db = original database
db2 = database to be copied to
cursor = db["<collection to copy from>"].find()
for data in cursor:
db2["<new collection>"].insert(data)
There's one big difference between CLOCK_REALTIME and MONOTONIC. CLOCK_REALTIME can jump forward or backward according to NTP. By default, NTP allows the clock rate to be speeded up or slowed down by up to 0.05%, but NTP cannot cause the monotonic clock to jump forward or backward.
Parsing pingtest.txt for each HOST name and result with batch is difficult because the name and result are on different lines.
It is much easier to test the result (the returned error code) of each PING command directly instead of redirecting to a file. It is also more efficient to enclose the entire construct in parens and redirect the final output just once.
>result.txt (
for /f %%i in (testservers.txt) do ping -n 1 %%i >nul && echo %%i UP||echo %%i DOWN
)
just re-installed mongo and it worked. No collections lost. Easiest solution atleast for me
Finding the correct intersection of two line segments is a non-trivial task with lots of edge cases. Here's a well documented, working and tested solution in Java.
In essence, there are three things that can happen when finding the intersection of two line segments:
The segments do not intersect
There is a unique intersection point
The intersection is another segment
NOTE: In the code, I assume that a line segment (x1, y1), (x2, y2) with x1 = x2 and y1 = y2 is a valid line segment. Mathematically speaking, a line segment consists of distinct points, but I am allowing segments to be points in this implementation for completeness.
Code is taken from my github repo
/**
* This snippet finds the intersection of two line segments.
* The intersection may either be empty, a single point or the
* intersection is a subsegment there's an overlap.
*/
import static java.lang.Math.abs;
import static java.lang.Math.max;
import static java.lang.Math.min;
import java.util.ArrayList;
import java.util.List;
public class LineSegmentLineSegmentIntersection {
// Small epsilon used for double value comparison.
private static final double EPS = 1e-5;
// 2D Point class.
public static class Pt {
double x, y;
public Pt(double x, double y) {
this.x = x;
this.y = y;
}
public boolean equals(Pt pt) {
return abs(x - pt.x) < EPS && abs(y - pt.y) < EPS;
}
}
// Finds the orientation of point 'c' relative to the line segment (a, b)
// Returns 0 if all three points are collinear.
// Returns -1 if 'c' is clockwise to segment (a, b), i.e right of line formed by the segment.
// Returns +1 if 'c' is counter clockwise to segment (a, b), i.e left of line
// formed by the segment.
public static int orientation(Pt a, Pt b, Pt c) {
double value = (b.y - a.y) * (c.x - b.x) -
(b.x - a.x) * (c.y - b.y);
if (abs(value) < EPS) return 0;
return (value > 0) ? -1 : +1;
}
// Tests whether point 'c' is on the line segment (a, b).
// Ensure first that point c is collinear to segment (a, b) and
// then check whether c is within the rectangle formed by (a, b)
public static boolean pointOnLine(Pt a, Pt b, Pt c) {
return orientation(a, b, c) == 0 &&
min(a.x, b.x) <= c.x && c.x <= max(a.x, b.x) &&
min(a.y, b.y) <= c.y && c.y <= max(a.y, b.y);
}
// Determines whether two segments intersect.
public static boolean segmentsIntersect(Pt p1, Pt p2, Pt p3, Pt p4) {
// Get the orientation of points p3 and p4 in relation
// to the line segment (p1, p2)
int o1 = orientation(p1, p2, p3);
int o2 = orientation(p1, p2, p4);
int o3 = orientation(p3, p4, p1);
int o4 = orientation(p3, p4, p2);
// If the points p1, p2 are on opposite sides of the infinite
// line formed by (p3, p4) and conversly p3, p4 are on opposite
// sides of the infinite line formed by (p1, p2) then there is
// an intersection.
if (o1 != o2 && o3 != o4) return true;
// Collinear special cases (perhaps these if checks can be simplified?)
if (o1 == 0 && pointOnLine(p1, p2, p3)) return true;
if (o2 == 0 && pointOnLine(p1, p2, p4)) return true;
if (o3 == 0 && pointOnLine(p3, p4, p1)) return true;
if (o4 == 0 && pointOnLine(p3, p4, p2)) return true;
return false;
}
public static List<Pt> getCommonEndpoints(Pt p1, Pt p2, Pt p3, Pt p4) {
List<Pt> points = new ArrayList<>();
if (p1.equals(p3)) {
points.add(p1);
if (p2.equals(p4)) points.add(p2);
} else if (p1.equals(p4)) {
points.add(p1);
if (p2.equals(p3)) points.add(p2);
} else if (p2.equals(p3)) {
points.add(p2);
if (p1.equals(p4)) points.add(p1);
} else if (p2.equals(p4)) {
points.add(p2);
if (p1.equals(p3)) points.add(p1);
}
return points;
}
// Finds the intersection point(s) of two line segments. Unlike regular line
// segments, segments which are points (x1 = x2 and y1 = y2) are allowed.
public static Pt[] lineSegmentLineSegmentIntersection(Pt p1, Pt p2, Pt p3, Pt p4) {
// No intersection.
if (!segmentsIntersect(p1, p2, p3, p4)) return new Pt[]{};
// Both segments are a single point.
if (p1.equals(p2) && p2.equals(p3) && p3.equals(p4))
return new Pt[]{p1};
List<Pt> endpoints = getCommonEndpoints(p1, p2, p3, p4);
int n = endpoints.size();
// One of the line segments is an intersecting single point.
// NOTE: checking only n == 1 is insufficient to return early
// because the solution might be a sub segment.
boolean singleton = p1.equals(p2) || p3.equals(p4);
if (n == 1 && singleton) return new Pt[]{endpoints.get(0)};
// Segments are equal.
if (n == 2) return new Pt[]{endpoints.get(0), endpoints.get(1)};
boolean collinearSegments = (orientation(p1, p2, p3) == 0) &&
(orientation(p1, p2, p4) == 0);
// The intersection will be a sub-segment of the two
// segments since they overlap each other.
if (collinearSegments) {
// Segment #2 is enclosed in segment #1
if (pointOnLine(p1, p2, p3) && pointOnLine(p1, p2, p4))
return new Pt[]{p3, p4};
// Segment #1 is enclosed in segment #2
if (pointOnLine(p3, p4, p1) && pointOnLine(p3, p4, p2))
return new Pt[]{p1, p2};
// The subsegment is part of segment #1 and part of segment #2.
// Find the middle points which correspond to this segment.
Pt midPoint1 = pointOnLine(p1, p2, p3) ? p3 : p4;
Pt midPoint2 = pointOnLine(p3, p4, p1) ? p1 : p2;
// There is actually only one middle point!
if (midPoint1.equals(midPoint2)) return new Pt[]{midPoint1};
return new Pt[]{midPoint1, midPoint2};
}
/* Beyond this point there is a unique intersection point. */
// Segment #1 is a vertical line.
if (abs(p1.x - p2.x) < EPS) {
double m = (p4.y - p3.y) / (p4.x - p3.x);
double b = p3.y - m * p3.x;
return new Pt[]{new Pt(p1.x, m * p1.x + b)};
}
// Segment #2 is a vertical line.
if (abs(p3.x - p4.x) < EPS) {
double m = (p2.y - p1.y) / (p2.x - p1.x);
double b = p1.y - m * p1.x;
return new Pt[]{new Pt(p3.x, m * p3.x + b)};
}
double m1 = (p2.y - p1.y) / (p2.x - p1.x);
double m2 = (p4.y - p3.y) / (p4.x - p3.x);
double b1 = p1.y - m1 * p1.x;
double b2 = p3.y - m2 * p3.x;
double x = (b2 - b1) / (m1 - m2);
double y = (m1 * b2 - m2 * b1) / (m1 - m2);
return new Pt[]{new Pt(x, y)};
}
}
Here is a simple usage example:
public static void main(String[] args) {
// Segment #1 is (p1, p2), segment #2 is (p3, p4)
Pt p1, p2, p3, p4;
p1 = new Pt(-2, 4); p2 = new Pt(3, 3);
p3 = new Pt(0, 0); p4 = new Pt(2, 4);
Pt[] points = lineSegmentLineSegmentIntersection(p1, p2, p3, p4);
Pt point = points[0];
// Prints: (1.636, 3.273)
System.out.printf("(%.3f, %.3f)\n", point.x, point.y);
p1 = new Pt(-10, 0); p2 = new Pt(+10, 0);
p3 = new Pt(-5, 0); p4 = new Pt(+5, 0);
points = lineSegmentLineSegmentIntersection(p1, p2, p3, p4);
Pt point1 = points[0], point2 = points[1];
// Prints: (-5.000, 0.000) (5.000, 0.000)
System.out.printf("(%.3f, %.3f) (%.3f, %.3f)\n", point1.x, point1.y, point2.x, point2.y);
}
On OSX 10.11, you can sudo nano /etc/paths
and add the path(s) you want here, one per line. Way simpler than figuring which of ~/.bashrc
, /etc/profile
, '~/.bash_profile` etc... you should add to. Besides, why export and append $PATH to itself when you can just go and modify PATH directly...?
I had the cancelled in Firefox. Some ajax-calls working perfectly fine for me, but it failed for the coworker who actually had to use it.
When I checked this out via the Chrome tricks mentioned above, I found nothing suspicious. When checking it in firebug, it showed the 'loading' animation after the two mallicous calls, and no result tab.
The solution was mega simple: go to history, find the website, rightclick -> forget website.
Forget, not delete.
After that, no problems anymore. My guess is it has something to do with the .htaccess.
You can set it as a no title bar theme in the activity's xml in the AndroidManifest
<activity
android:name=".AnActivity"
android:label="@string/a_string"
android:theme="@android:style/Theme.NoTitleBar">
</activity>
Only suggestion is to access your resp_dict
via .get()
for a more graceful approach that will degrade well if the data isn't as expected.
resp_dict = json.loads(resp_str)
resp_dict.get('name') # will return None if 'name' doesn't exist
You could also add some logic to test for the key if you want as well.
if 'name' in resp_dict:
resp_dict['name']
else:
# do something else here.
I confronted similar issue when I wanted to post image file to a rest API from Python (Not wechat API though). The solution for me was to use 'data' parameter to post the file in binary data instead of 'files'. Requests API reference
data = open('your_image.png','rb').read()
r = requests.post(your_url,data=data)
Hope this works for your case.
I had a similar issue when I wanted to change the box title and button title of the default confirm box. I have gone for the Jquery Ui dialog plugin http://jqueryui.com/dialog/#modal-confirmation
When I had the following:
function testConfirm() {
if (confirm("Are you sure you want to delete?")) {
//some stuff
}
}
I have changed it to:
function testConfirm() {
var $dialog = $('<div></div>')
.html("Are you sure you want to delete?")
.dialog({
resizable: false,
title: "Confirm Deletion",
modal: true,
buttons: {
Cancel: function() {
$(this).dialog("close");
},
"Delete": function() {
//some stuff
$(this).dialog("close");
}
}
});
$dialog.dialog('open');
}
Can be seen working here https://jsfiddle.net/5aua4wss/2/
Hope that helps.
We can try by using latest jQuery library. I got the same issue. I used jQuery-1.4.2.min before and getting the error. After that I used version 1.9.1 and it works. Thanks
If you convert a Bash script into a function, you typically replace exit N
with return N
. The code that calls the function will treat the return value the same as it would an exit code from a subprocess.
Using exit
inside the function will force the entire script to end.
Thanks to biggates and steakpi. As answer of question Dreamonic, I made a little changes to make all headers clickable (not only title string and gluphs) and took off underline from link. To force an icons appear on same line I added h4 at the end of CSS instructions. Here is the modified code:
<div class="panel-group" id="accordion">
<div class="panel panel-default">
<div class="panel-heading">
<a class="accordion-toggle collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
<h4 class="panel-title">Collapsible Group Item #1</h4>
</a>
</div>
<div id="collapseOne" class="panel-collapse collapse">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<a class="accordion-toggle collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
<h4 class="panel-title">Collapsible Group Item #2</h4>
</a>
</div>
<div id="collapseTwo" class="panel-collapse collapse">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading">
<a class="accordion-toggle collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
<h4 class="panel-title">Collapsible Group Item #3</h4>
</a>
</div>
<div id="collapseThree" class="panel-collapse collapse">
<div class="panel-body">
Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
</div>
</div>
</div>
</div>
And the modified CSS:
.panel-heading .accordion-toggle h4:after {
/* symbol for "opening" panels */
font-family: 'Glyphicons Halflings';
content: "\e114";
float: right;
color: grey;
overflow: no-display;
}
.panel-heading .accordion-toggle.collapsed h4:after {
/* symbol for "collapsed" panels */
content: "\e080";
}
a.accordion-toggle{
text-decoration: none;
}
In this link explain about @model, see a excerpt:
@model
(lowercase "m") is a reserved keyword in Razor views to declare the model type at the top of your view. You have put the namespace too, e.g.:@model MyNamespace.Models.MyModel
Later in the file, you can reference the attribute you want with
@Model.Attribute
(uppercase "M").
np.isnan combined with np.argwhere
x = np.array([[1,2,3,4],
[2,3,np.nan,5],
[np.nan,5,2,3]])
np.argwhere(np.isnan(x))
output:
array([[1, 2],
[2, 0]])
If you want a histogram, you don't need to attach any 'names' to x-values, as on x-axis you would have data bins:
import matplotlib.pyplot as plt
import numpy as np
%matplotlib inline
np.random.seed(42)
x = np.random.normal(size=1000)
plt.hist(x, density=True, bins=30) # density=False would make counts
plt.ylabel('Probability')
plt.xlabel('Data');
Note, the number of bins=30
was chosen arbitrarily, and there is Freedman–Diaconis rule to be more scientific in choosing the "right" bin width:
, where
IQR
is Interquartile range andn
is total number of datapoints to plot
So, according to this rule one may calculate number of bins
as:
q25, q75 = np.percentile(x,[.25,.75])
bin_width = 2*(q75 - q25)*len(x)**(-1/3)
bins = round((x.max() - x.min())/bin_width)
print("Freedman–Diaconis number of bins:", bins)
plt.hist(x, bins = bins);
Freedman–Diaconis number of bins: 82
And finally you can make your histogram a bit fancier with PDF
line, titles, and legend:
import scipy.stats as st
plt.hist(x, density=True, bins=82, label="Data")
mn, mx = plt.xlim()
plt.xlim(mn, mx)
kde_xs = np.linspace(mn, mx, 300)
kde = st.gaussian_kde(x)
plt.plot(kde_xs, kde.pdf(kde_xs), label="PDF")
plt.legend(loc="upper left")
plt.ylabel('Probability')
plt.xlabel('Data')
plt.title("Histogram");
However, if you have limited number of data points, like in OP, a bar plot would make more sense to represent your data. Then you may attach labels to x-axis:
x = np.arange(3)
plt.bar(x, height=[1,2,3])
plt.xticks(x, ['a','b','c'])
I found a way to display the Document Location module
in Office 2010.
File -> Options -> Quick Access Toolbar
From the
Choose commands
list
select All Commands
find "Document Location"
press the "Add>>"
button.
press OK
.
Viola, the file path is at the top of your 2010 office document.
I decide to add on, rather than posting my solution to another post. Below are the solution that I build, may not be perfect, but so far the output are good.
Important: it will pass through all the points!
If you have any idea, to make it better, please share to me. Thanks.
Here are the comparison of before after:
Save this code to HTML to test it out.
<!DOCTYPE html>_x000D_
<html>_x000D_
<body>_x000D_
<canvas id="myCanvas" width="1200" height="700" style="border:1px solid #d3d3d3;">Your browser does not support the HTML5 canvas tag.</canvas>_x000D_
<script>_x000D_
var cv = document.getElementById("myCanvas");_x000D_
var ctx = cv.getContext("2d");_x000D_
_x000D_
function gradient(a, b) {_x000D_
return (b.y-a.y)/(b.x-a.x);_x000D_
}_x000D_
_x000D_
function bzCurve(points, f, t) {_x000D_
//f = 0, will be straight line_x000D_
//t suppose to be 1, but changing the value can control the smoothness too_x000D_
if (typeof(f) == 'undefined') f = 0.3;_x000D_
if (typeof(t) == 'undefined') t = 0.6;_x000D_
_x000D_
ctx.beginPath();_x000D_
ctx.moveTo(points[0].x, points[0].y);_x000D_
_x000D_
var m = 0;_x000D_
var dx1 = 0;_x000D_
var dy1 = 0;_x000D_
_x000D_
var preP = points[0];_x000D_
for (var i = 1; i < points.length; i++) {_x000D_
var curP = points[i];_x000D_
nexP = points[i + 1];_x000D_
if (nexP) {_x000D_
m = gradient(preP, nexP);_x000D_
dx2 = (nexP.x - curP.x) * -f;_x000D_
dy2 = dx2 * m * t;_x000D_
} else {_x000D_
dx2 = 0;_x000D_
dy2 = 0;_x000D_
}_x000D_
ctx.bezierCurveTo(preP.x - dx1, preP.y - dy1, curP.x + dx2, curP.y + dy2, curP.x, curP.y);_x000D_
dx1 = dx2;_x000D_
dy1 = dy2;_x000D_
preP = curP;_x000D_
}_x000D_
ctx.stroke();_x000D_
}_x000D_
_x000D_
// Generate random data_x000D_
var lines = [];_x000D_
var X = 10;_x000D_
var t = 40; //to control width of X_x000D_
for (var i = 0; i < 100; i++ ) {_x000D_
Y = Math.floor((Math.random() * 300) + 50);_x000D_
p = { x: X, y: Y };_x000D_
lines.push(p);_x000D_
X = X + t;_x000D_
}_x000D_
_x000D_
//draw straight line_x000D_
ctx.beginPath();_x000D_
ctx.setLineDash([5]);_x000D_
ctx.lineWidth = 1;_x000D_
bzCurve(lines, 0, 1);_x000D_
_x000D_
//draw smooth line_x000D_
ctx.setLineDash([0]);_x000D_
ctx.lineWidth = 2;_x000D_
ctx.strokeStyle = "blue";_x000D_
bzCurve(lines, 0.3, 1);_x000D_
</script>_x000D_
</body>_x000D_
</html>
_x000D_
For anyone who wants this as a saved view (MySQL doesn't support nested select statements in views):
create view zero_to_nine as
select 0 as n union all
select 1 union all
select 2 union all
select 3 union all
select 4 union all
select 5 union all
select 6 union all
select 7 union all
select 8 union all
select 9;
create view date_range as
select curdate() - INTERVAL (a.n + (10 * b.n) + (100 * c.n)) DAY as date
from zero_to_nine as a
cross join zero_to_nine as b
cross join zero_to_nine as c;
You can then do
select * from date_range
to get
date
---
2017-06-06
2017-06-05
2017-06-04
2017-06-03
2017-06-02
...
I modified fmark's answer to by python 2/3 compatible more pythonic.
See ipython's utility module if you are interested in something with more error handling
# PY2/3 compatibility
from __future__ import print_function
# You could use the six package for this
try:
input_ = raw_input
except NameError:
input_ = input
def query_yes_no(question, default=True):
"""Ask a yes/no question via standard input and return the answer.
If invalid input is given, the user will be asked until
they acutally give valid input.
Args:
question(str):
A question that is presented to the user.
default(bool|None):
The default value when enter is pressed with no value.
When None, there is no default value and the query
will loop.
Returns:
A bool indicating whether user has entered yes or no.
Side Effects:
Blocks program execution until valid input(y/n) is given.
"""
yes_list = ["yes", "y"]
no_list = ["no", "n"]
default_dict = { # default => prompt default string
None: "[y/n]",
True: "[Y/n]",
False: "[y/N]",
}
default_str = default_dict[default]
prompt_str = "%s %s " % (question, default_str)
while True:
choice = input_(prompt_str).lower()
if not choice and default is not None:
return default
if choice in yes_list:
return True
if choice in no_list:
return False
notification_str = "Please respond with 'y' or 'n'"
print(notification_str)
$('nameofDropDownList').prop('selectedIndex', whateverNumberasInt);
Imagine the DDL as an array with indexes, you are selecting one index. Choose the one which you want to set it to with your JS.
When using sp_rename which works like in above answers, check also which objects are affected after renaming, that reference that table, because you need to change those too
I took a code example for table dependencies at Pinal Dave's blog here
USE AdventureWorks
GO
SELECT
referencing_schema_name = SCHEMA_NAME(o.SCHEMA_ID),
referencing_object_name = o.name,
referencing_object_type_desc = o.type_desc,
referenced_schema_name,
referenced_object_name = referenced_entity_name,
referenced_object_type_desc = o1.type_desc,
referenced_server_name, referenced_database_name
--,sed.* -- Uncomment for all the columns
FROM
sys.sql_expression_dependencies sed
INNER JOIN
sys.objects o ON sed.referencing_id = o.[object_id]
LEFT OUTER JOIN
sys.objects o1 ON sed.referenced_id = o1.[object_id]
WHERE
referenced_entity_name = 'Customer'
So, all these dependent objects needs to be updated also
Or use some add-in if you can, some of them have feature to rename object, and all depend,ent objects too
Some things to watch out for:
I generally use /sbin/su to switch to the appropriate user before starting daemons.
If you are running the .java file in Eclipse you need to add the resource path in the build path . after that you will not see this error
If you really have to avoid operators then use Math.signum()
Returns the signum function of the argument; zero if the argument is zero, 1.0 if the argument is greater than zero, -1.0 if the argument is less than zero.
EDIT : As per the comments, this works for only double and float values. For integer values you can use the method:
Assuming you have something like so:
public class MyFirstClass {
...
public ArrayList<Integer> myNumbers() {
ArrayList<Integer> numbers = new ArrayList<Integer>();
numbers.add(5);
numbers.add(11);
numbers.add(3);
return(numbers);
}
...
}
You can call that method like so:
public class MySecondClass {
...
MyFirstClass m1 = new MyFirstClass();
List<Integer> myList = m1.myNumbers();
...
}
Since the method you are trying to call is not static, you will have to create an instance of the class which provides this method. Once you create the instance, you will then have access to the method.
Note, that in the code example above, I used this line: List<Integer> myList = m1.myNumbers();
. This can be changed by the following: ArrayList<Integer> myList = m1.myNumbers();
. However, it is usually recommended to program to an interface, and not to a concrete implementation, so my suggestion for the method you are using would be to do something like so:
public List<Integer> myNumbers() {
List<Integer> numbers = new ArrayList<Integer>();
numbers.add(5);
numbers.add(11);
numbers.add(3);
return(numbers);
}
This will allow you to assign the contents of that list to whatever implements the List
interface.
Here's the solution:
<?php
// here's the pattern:
$pattern = '/<(\w+)(\s+(\w+)\s*\=\s*(\'|")(.*?)\\4\s*)*\s*(\/>|>)/';
// a string to parse:
$string = 'Hello, try clicking <a href="#paragraph">here</a>
<br/>and check out.<hr />
<h2>title</h2>
<a name ="paragraph" rel= "I\'m an anchor"></a>
Fine, <span title=\'highlight the "punch"\'>thanks<span>.
<div class = "clear"></div>
<br>';
// let's get the occurrences:
preg_match_all($pattern, $string, $matches, PREG_PATTERN_ORDER);
// print the result:
print_r($matches[0]);
?>
To test it deeply, I entered in the string auto-closing tags like:
I also entered tags with:
Should you find something which does not work in the proof of concept above, I am available in analyzing the code to improve my skills.
<EDIT> I forgot that the question from the user was to avoid the parsing of self-closing tags. In this case the pattern is simpler, turning into this:
$pattern = '/<(\w+)(\s+(\w+)\s*\=\s*(\'|")(.*?)\\4\s*)*\s*>/';
The user @ridgerunner noticed that the pattern does not allow unquoted attributes or attributes with no value. In this case a fine tuning brings us the following pattern:
$pattern = '/<(\w+)(\s+(\w+)(\s*\=\s*(\'|"|)(.*?)\\5\s*)?)*\s*>/';
</EDIT>
If someone is interested in learning more about the pattern, I provide some line:
Small tip: to better analyze this code it is necessary looking at the source code generated since I did not provide any HTML special characters escaping.
If you're using MariaDB, they mention the following in the NULL Values documentation.
Ordering
When you order by a field that may contain NULL values, any NULLs are considered to have the lowest value. So ordering in DESC order will see the NULLs appearing last. To force NULLs to be regarded as highest values, one can add another column which has a higher value when the main field is NULL. Example:
SELECT col1 FROM tab ORDER BY ISNULL(col1), col1;
Descending order, with NULLs first:
SELECT col1 FROM tab ORDER BY IF(col1 IS NULL, 0, 1), col1 DESC;
All NULL values are also regarded as equivalent for the purposes of the DISTINCT and GROUP BY clauses.
The above shows two ways to order by NULL values, you can combine these with the ASC and DESC keywords as well. For example the other way to get the NULL values first would be:
SELECT col1 FROM tab ORDER BY ISNULL(col1) DESC, col1;
-- ^^^^
If double backslash looks weird to you, C# also allows verbatim string literals where the escaping is not required.
Console.WriteLine(@"Mango \ Nightangle");
Don't you just wish Java had something like this ;-)
to_dict() Convert a SON document to a normal Python dictionary instance.
This is trickier than just dict(...) because it needs to be recursive.
Datatable JS plugin is also one good alternate to accomedate search feature for html table
var table = $('#example').DataTable();
// #myInput is a <input type="text"> element
$('#myInput').on( 'keyup', function () {
table.search( this.value ).draw();
} );
https://datatables.net/examples/basic_init/zero_configuration.html
I was also trying to achieve this. From above codes, what I understood was that you can call getch() function multiple times in order to get both bytes getting from the function. So the ord() function is not necessary if you are just looking to use with byte objects.
while True :
if m.kbhit() :
k = m.getch()
if b'\r' == k :
break
elif k == b'\x08'or k == b'\x1b':
# b'\x08' => BACKSPACE
# b'\x1b' => ESC
pass
elif k == b'\xe0' or k == b'\x00':
k = m.getch()
if k in [b'H',b'M',b'K',b'P',b'S',b'\x08']:
# b'H' => UP ARROW
# b'M' => RIGHT ARROW
# b'K' => LEFT ARROW
# b'P' => DOWN ARROW
# b'S' => DELETE
pass
else:
print(k.decode(),end='')
else:
print(k.decode(),end='')
This code will work print any key until enter key is pressed in CMD or IDE (I was using VS CODE) You can customize inside the if for specific keys if needed
If you know, that your results implements a certain interface you could use the interface as datatype:
public void LogEmployees<T>(IEnumerable<T> list)
{
foreach (T item in list)
{
}
}
You can do this using Input.setSelectionRange
, part of the Range API for interacting with text selections and the text cursor:
var searchInput = $('#Search');
// Multiply by 2 to ensure the cursor always ends up at the end;
// Opera sometimes sees a carriage return as 2 characters.
var strLength = searchInput.val().length * 2;
searchInput.focus();
searchInput[0].setSelectionRange(strLength, strLength);
Demo: Fiddle
This thread helped me a lot with my problem, but I've used $.queue in a different way and thought I would post what I came up with here. What I needed was a sequence of events (frames) to be triggered, but the sequence to be built dynamically. I have a variable number of placeholders, each of which should contain an animated sequence of images. The data is held in an array of arrays, so I loop through the arrays to build each sequence for each of the placeholders like this:
/* create an empty queue */
var theQueue = $({});
/* loop through the data array */
for (var i = 0; i < ph.length; i++) {
for (var l = 0; l < ph[i].length; l++) {
/* create a function which swaps an image, and calls the next function in the queue */
theQueue.queue("anim", new Function("cb", "$('ph_"+i+"' img').attr('src', '/images/"+i+"/"+l+".png');cb();"));
/* set the animation speed */
theQueue.delay(200,'anim');
}
}
/* start the animation */
theQueue.dequeue('anim');
This is a simplified version of the script I have arrived at, but should show the principle - when a function is added to the queue, it is added using the Function constructor - this way the function can be written dynamically using variables from the loop(s). Note the way the function is passed the argument for the next() call, and this is invoked at the end. The function in this case has no time dependency (it doesn't use $.fadeIn or anything like that), so I stagger the frames using $.delay.
Just had a similar issue when I ran pod install
, I saw the following warnings/errors (related to CLANG_CXX_LIBRARY
):
[!] The `Project [Debug]` target overrides the `CLANG_CXX_LIBRARY` build setting defined in `Pods/Target Support Files/Pods/Pods.debug.xcconfig'. This can lead to problems with the CocoaPods installation
- Use the `$(inherited)` flag, or
- Remove the build settings from the target.
[!] The `Project [Release]` target overrides the `CLANG_CXX_LIBRARY` build setting defined in `Pods/Target Support Files/Pods/Pods.release.xcconfig'. This can lead to problems with the CocoaPods installation
- Use the `$(inherited)` flag, or
- Remove the build settings from the target.
Project
so you can see the Build Settings
.Target
(AppName
under Targets
)C++ Standard Library
(It will probably be in BOLD - This means it's overridden).The line should not be bolded anymore and if you run pod install
the warnings/errors should have disappeared.
All browsers support Javascript window object. It defines the window of the browser.
The global objects and functions become part of the window object automatically.
All global variables are window objects properties and all global functions are its methods.
The whole HTML document is a window property too.
So you can use window.location object to get all url related attributes.
Javascript
console.log(window.location.host); //returns host_x000D_
console.log(window.location.hostname); //returns hostname_x000D_
console.log(window.location.pathname); //return path_x000D_
console.log(window.location.href); //returns full current url_x000D_
console.log(window.location.port); //returns the port_x000D_
console.log(window.location.protocol) //returns the protocol
_x000D_
JQuery
console.log("host = "+$(location).attr('host'));_x000D_
console.log("hostname = "+$(location).attr('hostname'));_x000D_
console.log("pathname = "+$(location).attr('pathname')); _x000D_
console.log("href = "+$(location).attr('href')); _x000D_
console.log("port = "+$(location).attr('port')); _x000D_
console.log("protocol = "+$(location).attr('protocol'));
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
_x000D_
best way is
button.setBackgroundResource(android.R.drawable.ic_delete);
OR this for Drawable left and something like that for right etc.
int imgResource = R.drawable.left_img;
button.setCompoundDrawablesWithIntrinsicBounds(imgResource, 0, 0, 0);
and
getResources().getDrawable()
is now deprecated
ASCII: 7 bits. 128 code points.
ISO-8859-1: 8 bits. 256 code points.
UTF-8: 8-32 bits (1-4 bytes). 1,112,064 code points.
Both ISO-8859-1 and UTF-8 are backwards compatible with ASCII, but UTF-8 is not backwards compatible with ISO-8859-1:
#!/usr/bin/env python3
c = chr(0xa9)
print(c)
print(c.encode('utf-8'))
print(c.encode('iso-8859-1'))
Output:
©
b'\xc2\xa9'
b'\xa9'
Use binary search algorithm to improve the performace when the node has large quantity siblings.
function getChildrenIndex(ele){
//IE use Element.sourceIndex
if(ele.sourceIndex){
var eles = ele.parentNode.children;
var low = 0, high = eles.length-1, mid = 0;
var esi = ele.sourceIndex, nsi;
//use binary search algorithm
while (low <= high) {
mid = (low + high) >> 1;
nsi = eles[mid].sourceIndex;
if (nsi > esi) {
high = mid - 1;
} else if (nsi < esi) {
low = mid + 1;
} else {
return mid;
}
}
}
//other browsers
var i=0;
while(ele = ele.previousElementSibling){
i++;
}
return i;
}
I think i understand what the reason of your error. First you click auto AUTO INCREMENT field then select it as a primary key.
The Right way is First You have to select it as a primary key then you have to click auto AUTO INCREMENT field.
Very easy. Thanks
Removing double-quotes
solve my problem, now its:
DEBUG_STORE_PASSWORD=androiddebug
DEBUG_KEY_ALIAS=androiddebug
DEBUG_KEY_PASSWORD=androiddebug
You can get SVN command-line tools with TortoiseSVN 1.7 or later or get a 6.5mb standalone package from VisualSVN.
Starting with TortoiseSVN 1.7, its installer provides you with an option to install the command-line tools.
It also makes sense to check the Apache Subversion "Binary Packages" page. xD
If you want to see what you haven't git add
ed yet:
git diff myfile.txt
or if you want to see already added changes
git diff --cached myfile.txt
May be this will be a good solution: taking in account whether this is Vista/Win7 or XP and without using environment variables:
string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName;
if ( Environment.OSVersion.Version.Major >= 6 ) {
path = Directory.GetParent(path).ToString();
}
Though using the environment variable is much more clear.
There is no way to do this in one method call, you'll have to either chain calls together, or write a function that manually does what you need.
var s = "<>\n";
s = s.replace("<", "<");
s = s.replace(">", ">");
s = s.replace("\n", "<br/>");
You can use git rebase. For example, if you want to modify commit bbc643cd
, run
$ git rebase --interactive 'bbc643cd^'
Please note the caret ^
at the end of the command, because you need actually to rebase back to the commit before the one you wish to modify.
In the default editor, modify pick
to edit
in the line mentioning 'bbc643cd'.
Save the file and exit: git will interpret and automatically execute the commands in the file. You will find yourself in the previous situation in which you just had created commit bbc643cd
.
At this point, bbc643cd
is your last commit and you can easily amend it: make your changes and then commit them with the command:
$ git commit --all --amend --no-edit
After that, type:
$ git rebase --continue
to return back to the previous HEAD commit.
WARNING: Note that this will change the SHA-1 of that commit as well as all children -- in other words, this rewrites the history from that point forward. You can break repos doing this if you push using the command git push --force
Use: .format()
:
print("Total score for {0} is {1}".format(name, score))
Or:
// Recommended, more readable code
print("Total score for {n} is {s}".format(n=name, s=score))
Or:
print("Total score for" + name + " is " + score)
Or:
`print("Total score for %s is %d" % (name, score))`
json strings can't have line breaks in them. You'd have to make it all one line: {"key":"val","key2":"val2",etc....}
.
But don't generate JSON strings yourself. There's plenty of libraries that do it for you, the biggest of which is jquery.
>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>array
[7, 1, 2, 3, 4, 5, 6]
How it works:
array.insert(index, value)
Insert an item at a given position. The first argument is the index of the element before which to insert, so array.insert(0, x)
inserts at the front of the list, and array.insert(len(array), x)
is equivalent to array.append(x)
.Negative values are treated as being relative to the end of the array.
Here are two functions that may help if your backup is corrupted, or you have a few partially corrupted backups as well (this may happen if you backup the corrupted objects).
Run both in the repo you're trying to recover.
Standard warning: only use if you're really desperate and you have backed up your (corrupted) repo. This might not resolve anything, but at least should highlight the level of corruption.
fsck_rm_corrupted() {
corrupted='a'
while [ "$corrupted" ]; do
corrupted=$( \
git fsck --full --no-dangling 2>&1 >/dev/null \
| grep 'stored in' \
| sed -r 's:.*(\.git/.*)\).*:\1:' \
)
echo "$corrupted"
rm -f "$corrupted"
done
}
if [ -z "$1" ] || [ ! -d "$1" ]; then
echo "'$1' is not a directory. Please provide the directory of the git repo"
exit 1
fi
pushd "$1" >/dev/null
fsck_rm_corrupted
popd >/dev/null
and
unpack_rm_corrupted() {
corrupted='a'
while [ "$corrupted" ]; do
corrupted=$( \
git unpack-objects -r < "$1" 2>&1 >/dev/null \
| grep 'stored in' \
| sed -r 's:.*(\.git/.*)\).*:\1:' \
)
echo "$corrupted"
rm -f "$corrupted"
done
}
if [ -z "$1" ] || [ ! -d "$1" ]; then
echo "'$1' is not a directory. Please provide the directory of the git repo"
exit 1
fi
for p in $1/objects/pack/pack-*.pack; do
echo "$p"
unpack_rm_corrupted "$p"
done
Use Array.prototype.filter()
function.
DEMO: https://jsfiddle.net/sumitridhal/r0cz0w5o/4/
JSON
var jsonObj =[
{
"name": "Me",
"info": {
"age": "15",
"favColor": "Green",
"pets": true
}
},
{
"name": "Alex",
"info": {
"age": "16",
"favColor": "orange",
"pets": false
}
},
{
"name": "Kyle",
"info": {
"age": "15",
"favColor": "Blue",
"pets": false
}
}
];
FILTER
var getPerson = function(name){
return jsonObj.filter(function(obj) {
return obj.name === name;
});
}
Another way is to make your user a password-less sudo user
.
Type the following on command line:
sudo visudo
Then add the following and replace the <username>
with yours:
<username> ALL=(ALL) NOPASSWD: ALL
This will allow the user to execute sudo
command without having to ask for password (including application launched by the said user. This might be a security risk though
After scratching my head about this problem, here is a very simple solution that works anytime:
// Empty sketch to fix the upload problem
// Created by Eric Phenix
// Nov 2014
void setup()
{
}
// The loop routine runs over and over again forever:
void loop()
{
delay(1000);
}
Et voila!
There are a few operations you can only do with DI/SI (or their extended counterparts, if you didn't learn ASM in 1985). Among these are
REP STOSB
REP MOVSB
REP SCASB
Which are, respectively, operations for repeated (= mass) storing, loading and scanning. What you do is you set up SI and/or DI to point at one or both operands, perhaps put a count in CX and then let 'er rip. These are operations that work on a bunch of bytes at a time, and they kind of put the CPU in automatic. Because you're not explicitly coding loops, they do their thing more efficiently (usually) than a hand-coded loop.
Just in case you're wondering: Depending on how you set the operation up, repeated storing can be something simple like punching the value 0 into a large contiguous block of memory; MOVSB is used, I think, to copy data from one buffer (well, any bunch of bytes) to another; and SCASB is used to look for a byte that matches some search criterion (I'm not sure if it's only searching on equality, or what – you can look it up :) )
That's most of what those regs are for.
i using FF 16.0.2 and jquery 1.8.3, all the code in the answer didn't work.
I use code like this and work.
$("input[type=text]").focus().select();
Necromancing:
It's relativiely simple to emulate a COUNT DISTINCT over PARTITION BY with MAX via DENSE_RANK:
;WITH baseTable AS
(
SELECT 'RM1' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM1' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM2' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM2' AS RM, 'ADR2' AS ADR
UNION ALL SELECT 'RM2' AS RM, 'ADR2' AS ADR
UNION ALL SELECT 'RM2' AS RM, 'ADR3' AS ADR
UNION ALL SELECT 'RM3' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM2' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM3' AS RM, 'ADR1' AS ADR
UNION ALL SELECT 'RM3' AS RM, 'ADR2' AS ADR
)
,CTE AS
(
SELECT RM, ADR, DENSE_RANK() OVER(PARTITION BY RM ORDER BY ADR) AS dr
FROM baseTable
)
SELECT
RM
,ADR
,COUNT(CTE.ADR) OVER (PARTITION BY CTE.RM ORDER BY ADR) AS cnt1
,COUNT(CTE.ADR) OVER (PARTITION BY CTE.RM) AS cnt2
-- Not supported
--,COUNT(DISTINCT CTE.ADR) OVER (PARTITION BY CTE.RM ORDER BY CTE.ADR) AS cntDist
,MAX(CTE.dr) OVER (PARTITION BY CTE.RM ORDER BY CTE.RM) AS cntDistEmu
FROM CTE
Note:
This assumes the fields in question are NON-nullable fields.
If there is one or more NULL-entries in the fields, you need to subtract 1.
$q="SELECT * FROM projects WHERE YEAR(date) = 2012 AND MONTH(date) = 1;
SHOW STATUS WHERE `variable_name` = 'Threads_connected';
This will show you all the open connections.
My approach:
var urlParams;
(window.onpopstate = function () {
var match,
pl = /\+/g, Regex for replacing addition symbol with a space
search = /([^&=]+)=?([^&]*)/g,
decode = function (s) { return decodeURIComponent(s.replace(pl, " ")); },
query = window.location.search.substring(1);
urlParams = {};
while (match = search.exec(query))
urlParams[decode(match[1])] = decode(match[2]);
})();