this is an .htaccess file that forward almost all to index.php
# if a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-l
RewriteCond %{REQUEST_URI} !-l
RewriteCond %{REQUEST_FILENAME} !\.(ico|css|png|jpg|gif|js)$ [NC]
# otherwise forward it to index.php
RewriteRule . index.php
then is up to you parse $_SERVER["REQUEST_URI"] and route to picture.php or whatever
Sadly, @jason-robinson answer above didn't work for me.
Although the rotate function works perfectly:
public static Bitmap rotateImage(Bitmap source, float angle) {
Matrix matrix = new Matrix();
matrix.postRotate(angle);
return Bitmap.createBitmap(source, 0, 0, source.getWidth(), source.getHeight(), matrix,
true);
}
I had to do the following to get the orientation as the Exif orientation was always 0
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode,resultCode,data);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && data != null) {
Uri selectedImage = data.getData();
String[] orientationColumn = {MediaStore.Images.Media.ORIENTATION};
Cursor cur = managedQuery(imageUri, orientationColumn, null, null, null);
int orientation = -1;
if (cur != null && cur.moveToFirst()) {
orientation = cur.getInt(cur.getColumnIndex(orientationColumn[0]));
}
InputStream imageStream = getContentResolver().openInputStream(selectedImage);
Bitmap bitmap = BitmapFactory.decodeStream(imageStream);
switch(orientation) {
case 90:
bitmap = rotateImage(chosen_image_bitmap, 90);
break;
case 180:
bitmap = rotateImage(chosen_image_bitmap, 180);
break;
case 270:
bitmap = rotateImage(chosen_image_bitmap, 270);
break;
default:
break;
}
imageView.setImageBitmap(bitmap );
A simple fix that I use to add space in horizontal legends, simply add spaces in the labels (see extract below):
scale_fill_manual(values=c("red","blue","white"),
labels=c("Label of category 1 ",
"Label of category 2 ",
"Label of category 3"))
Recently I unfortunately had to work with Excel 2010 again for a while and I missed the SWITCH function a lot. I came up with the following to try to minimize my pain:
=CHOOSE(SUM((A1={"a";"b";"c"})*ROW(INDIRECT(1&":"&3))),1,2,3)
CTRL+SHIFT+ENTER
where A1 is where your condition lies (it could be a formula, whatever). The good thing is that we just have to provide the condition once (just like SWITCH) and the cases (in this example: a,b,c) and results (in this example: 1,2,3) are ordered, which makes it easy to reason about.
Here is how it works:
The function returns a static 2D array
const int N = 6;
int (*(MakeGridOfCounts)())[N] {
static int cGrid[N][N] = {{0, }, {0, }, {0, }, {0, }, {0, }, {0, }};
return cGrid;
}
int main() {
int (*arr)[N];
arr = MakeGridOfCounts();
}
You need to make the array static since it will be having a block scope, when the function call ends, the array will be created and destroyed. Static scope variables last till the end of program.
I used the handler below to handle 404 error with a static .ejs
file.
Put this code in a route script and then require that file.js
through app.use()
in your app.js
/server.js
/www.js
(if using IntelliJ for NodeJS)
You can also use a static .html
file.
//Unknown route handler
router.get("[otherRoute]", function(request, response) {
response.status(404);
response.render("error404.[ejs]/[html]");
response.end();
});
This way, the running express server will response with a proper 404 error
and your website can also include a page that properly displays the server's 404 response properly. You can also include a navbar
in that 404 error template
that links to other important content of your website.
In Laravel 6 you have to add 'change' to your migrations file as follows:
$table->enum('is_approved', array('0','1'))->default('0')->change();
If we have a dynamic value that needs to go in a css background or background-image attribute, it can be just a bit more tricky to specify.
Let’s say we have a getImage() function in our controller. This function returns a string formatted similar to this: url(icons/pen.png). If we do, the ngStyle declaration is specified the exact same way as before:
ng-style="{ 'background-image': getImage() }"
Make sure to put quotes around the background-image key name. Remember, this must be formatted as a valid Javascript object key.
You can use fork()
and system()
so that your program doesn't have to wait until system()
returns.
#include <stdio.h>
#include <stdlib.h>
int main(int argc,char* argv[]){
int status;
// By calling fork(), a child process will be created as a exact duplicate of the calling process.
// Search for fork() (maybe "man fork" on Linux) for more information.
if(fork() == 0){
// Child process will return 0 from fork()
printf("I'm the child process.\n");
status = system("my_app");
exit(0);
}else{
// Parent process will return a non-zero value from fork()
printf("I'm the parent.\n");
}
printf("This is my main program and it will continue running and doing anything i want to...\n");
return 0;
}
another one:
if(this.checkValidity() == false) {
$(this).addClass('was-validated');
e.preventDefault();
e.stopPropagation();
e.stopImmediatePropagation();
return false;
}
use $slice
operator to limit array elements
GeoLocation.find({},{name: 1, geolocation:{$slice: -5}})
.then((result) => {
res.json(result);
})
.catch((err) => {
res.status(500).json({ success: false, msg: `Something went wrong. ${err}` });
});
where geolocation
is array of data, from that we get last 5 record.
List<"classname"> getreport = cs.getcompletionreport();
var getreported = getreport.Select(c => new { demographic = c.rName);
where cs.getcompletionreport()
reference class file is Business Layer for App
I hope this helps.
The logic you present is not MVC, then not Rails, compatible.
A controller renders a view or redirect
A method executes code
From these considerations, I advise you to create methods in your controller and call them from your action.
Example:
def index
get_variable
end
private
def get_variable
@var = Var.all
end
That said you can do exactly the same through different controllers and summon a method from controller A while you are in controller B.
Vocabulary is extremely important that's why I insist much.
Scenario
In a college there are many students doing different courses, and after an examination we have to prepare a marks card showing grade. I can calculate grade two ways
1. I can write some code like this
if(totalMark <= 100 && totalMark > 90) { grade = "A+"; }
else if(totalMark <= 90 && totalMark > 80) { grade = "A"; }
else if(totalMark <= 80 && totalMark > 70) { grade = "B"; }
else if(totalMark <= 70 && totalMark > 60) { grade = "C"; }
2. You can ask user to enter grade definition some where and save that data
Something like storing into a database table
In the first case the grade is common for all the courses and if the rule changes the code needs to be changed. But for second case we are giving user the provision to enter grade based on their requirement. So the code will be not be changed when the grade rules changes.
That's the important thing when you give more provision for users to define business logic. The first case is nothing but Hard Coding.
So in your question if you ask the user to enter the path of the file at the start, then you can remove the hard coded path in your code.
Add border-collapse: collapse
into the style
attribute value of the inner table
element. You could alternatively add the attribute cellspacing=0
there, but then you would have a double border between the cells.
I.e.:
<table class="main-story-image" style="float: left; width: 180px; margin: 0 25px 25px 25px; border-collapse: collapse">
You need to use bitwise operators |
instead of or
and &
instead of and
in pandas, you can't simply use the bool statements from python.
For much complex filtering create a mask
and apply the mask on the dataframe.
Put all your query in the mask and apply it.
Suppose,
mask = (df["col1"]>=df["col2"]) & (stock["col1"]<=df["col2"])
df_new = df[mask]
And if all else fails, such as ensuring that the target frameworks are the same, and you are dealing with a WPF class library in VS2010, simply restart Visual Studio. That did it for me.
Understanding AngularJS Factory, Service and Provider
All of these are used to share reusable singleton objects. It helps to share reusable code across your app/various components/modules.
From Docs Service/Factory:
- Lazily instantiated – Angular only instantiates a service/factory when an application component depends on it.
- Singletons – Each component dependent on a service gets a reference to the single instance generated by the service factory.
A factory is function where you can manipulate/add logic before creating an object, then the newly created object gets returned.
app.factory('MyFactory', function() {
var serviceObj = {};
//creating an object with methods/functions or variables
serviceObj.myFunction = function() {
//TO DO:
};
//return that object
return serviceObj;
});
Usage
It can be just a collection of functions like a class. Hence, it can be instantiated in different controllers when you are injecting it inside your controller/factory/directive functions. It is instantiated only once per app.
Simply while looking at the services think about the array prototype. A service is a function which instantiates a new object using the 'new' keyword. You can add properties and functions to a service object by using the this
keyword. Unlike a factory, it doesn't return anything (it returns an object which contains methods/properties).
app.service('MyService', function() {
//directly binding events to this context
this.myServiceFunction = function() {
//TO DO:
};
});
Usage
Use it when you need to share a single object throughout the application. For example, authenticated user details, share-able methods/data, Utility functions etc.
A provider is used to create a configurable service object. You can configure the service setting from config function. It returns a value by using the $get()
function. The $get
function gets executed on the run phase in angular.
app.provider('configurableService', function() {
var name = '';
//this method can be be available at configuration time inside app.config.
this.setName = function(newName) {
name = newName;
};
this.$get = function() {
var getName = function() {
return name;
};
return {
getName: getName //exposed object to where it gets injected.
};
};
});
Usage
When you need to provide module-wise configuration for your service object before making it available, eg. suppose you want to set your API URL on basis of your Environment like dev
, stage
or prod
NOTE
Only provider will be available in config phase of angular, while service & factory are not.
Hope this has cleared up your understanding about Factory, Service and Provider.
The following is nasty, but serves to demonstrate how you can treat functions like any other kind of object.
var foo = function () { alert('default function'); }
function pickAFunction(a_or_b) {
var funcs = {
a: function () {
alert('a');
},
b: function () {
alert('b');
}
};
foo = funcs[a_or_b];
}
foo();
pickAFunction('a');
foo();
pickAFunction('b');
foo();
On my machine:
C:\Program Files (x86)\OpenERP 6.1-20121026-233219\PostgreSQL\data
As of PostgreSQL 9.3, you can use the command pg_isready
to determine the connection status of a PostgreSQL server.
From the docs:
pg_isready returns 0 to the shell if the server is accepting connections normally, 1 if the server is rejecting connections (for example during startup), 2 if there was no response to the connection attempt, and 3 if no attempt was made (for example due to invalid parameters).
All the space elimination techniques for display:inline-block
are nasty hacks...
Use Flexbox
It's awesome, solves all this inline-block layout bs, and as of 2017 has 98% browser support (more if you don't care about old IEs).
Convert.ToString()
handles null
, while ToString()
doesn't.
You can't do that in JavaScript, since JS is executed in the browser, not in the server, so it didn't know anything about directories or other server resources.
The best option is using a server side script like the one posted by jellyfishtree.
to use sendmail from the shell script
subject="mail subject"
body="Hello World"
from="[email protected]"
to="[email protected],[email protected]"
echo -e "Subject:${subject}\n${body}" | sendmail -f "${from}" -t "${to}"
The .NET Data Providers consist of a number of classes used to connect to a data source, execute commands, and return recordsets. The Command Object in ADO.NET provides a number of Execute methods that can be used to perform the SQL queries in a variety of fashions.
A stored procedure is a pre-compiled executable object that contains one or more SQL statements. In many cases stored procedures accept input parameters and return multiple values . Parameter values can be supplied if a stored procedure is written to accept them. A sample stored procedure with accepting input parameter is given below :
CREATE PROCEDURE SPCOUNTRY
@COUNTRY VARCHAR(20)
AS
SELECT PUB_NAME FROM publishers WHERE COUNTRY = @COUNTRY
GO
The above stored procedure is accepting a country name (@COUNTRY VARCHAR(20)) as parameter and return all the publishers from the input country. Once the CommandType is set to StoredProcedure, you can use the Parameters collection to define parameters.
command.CommandType = CommandType.StoredProcedure;
param = new SqlParameter("@COUNTRY", "Germany");
param.Direction = ParameterDirection.Input;
param.DbType = DbType.String;
command.Parameters.Add(param);
The above code passing country parameter to the stored procedure from C# application.
using System;
using System.Data;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string connetionString = null;
SqlConnection connection ;
SqlDataAdapter adapter ;
SqlCommand command = new SqlCommand();
SqlParameter param ;
DataSet ds = new DataSet();
int i = 0;
connetionString = "Data Source=servername;Initial Catalog=PUBS;User ID=sa;Password=yourpassword";
connection = new SqlConnection(connetionString);
connection.Open();
command.Connection = connection;
command.CommandType = CommandType.StoredProcedure;
command.CommandText = "SPCOUNTRY";
param = new SqlParameter("@COUNTRY", "Germany");
param.Direction = ParameterDirection.Input;
param.DbType = DbType.String;
command.Parameters.Add(param);
adapter = new SqlDataAdapter(command);
adapter.Fill(ds);
for (i = 0; i <= ds.Tables[0].Rows.Count - 1; i++)
{
MessageBox.Show (ds.Tables[0].Rows[i][0].ToString ());
}
connection.Close();
}
}
}
I would disagree with converting it on the server side. If you do that it's going to come back as a string type rather than a date type with all that entails (it will sort as a string for example)
My principle when dealing with dates is to keep them typed as a date for as long as you possibly can.
If your facing a performance bottleneck on the report server there are better ways to handle it than compromising your logic.
If the client has Java installed, you could do something like this:
ipAddress = java.net.InetAddress.getLocalHost().getHostAddress();
Other than that, you will probably have to use a server side script.
Also CON, PRN, AUX, NUL, COM# and a few others are never legal filenames in any directory with any extension.
It seems like Github has changed their layout since you posted this question. I just created a repository and it used to give you instructions on screen. It appears they have changed that approach.
Here is the information they used to give on repo creation:
Open xcode and in the top menu go to xcode > Preferences > Downloads and you will be given the option to download old sdks to use with xcode. You can also download command line tools and Device Debugging Support.
The CSS below stops users from being able to select text.
-webkit-user-select: none; /* Safari */
-moz-user-select: none; /* Firefox */
-ms-user-select: none; /* IE10+/Edge */
user-select: none; /* Standard */
To target IE9 downwards the html attribute unselectable
must be used instead:
<p unselectable="on">Test Text</p>
There's a nice article with code on this topic on MSDN. I'm assuming that setting the Style property to ProgressBarStyle.Marquee is not appropriate (or is that what you are trying to control?? -- I don't think it is possible to stop/start this animation although you can control the speed as @Paul indicates).
To avoid getting expections at run time , do something like this.
There are chances of having empty string sometimes,
string a = "abc,xyz,wer";
string b=string.Empty;
if(!string.IsNullOrEmpty(a ))
{
b = a.Split(',')[0];
}
Imagine you have have a Book model and a Page model,
1:N means:
One book can have **many** pages. One page can only be in **one** book.
N:N means:
One book can have **many** pages. And one page can be in **many** books.
Try the following:
=IF(OR(E2="in play",E2="pre play",E2="complete",E2="suspended"),
IF(E2="in play",IF(F2="closed",3,IF(F2="suspended",2,IF(ISBLANK(F2),1,-2))),
IF(E2="pre play",IF(ISBLANK(F2),-1,-2),IF(E2="completed",IF(F2="closed",2,-2),
IF(E2="suspended",IF(ISBLANK(F2),3,-2))))),-2)
You can also use ICACLS.
To grant the Users group Full Control to a folder:
>icacls "C:\MyFolder" /grant Users:F
To grant Modify permission to IIS users for C:\MyFolder
(if you need your IIS has ability to R/W files into specific folder):
>icacls "C:\MyFolder" /grant IIS_IUSRS:M
If you do ICACLS /? you will be able to see all available options.
You can use elementFromPoint:
document.elementFromPoint(x, y);
supported in all browsers: https://caniuse.com/#feat=element-from-point
Firewall might be the cause, just try disabling it In my case it was due to the firewall. I tried all these suggestions in the answers and none of them worked for me. Finally I disabled the firewall It worked for me.
Consider a skewed binary tree with 3 nodes as 7, 3, 2. For any operation like for searching 2, we have to traverse 3 nodes, for deleting 2 also, we have to traverse 3 nodes and for for inserting 1 also, we have to traverse 3 nodes. So, binary tree has worst case complexity of O(n).
Well, to answer the immediate question:
>>> s = "http://www.domain.com/?s=some&two=20"
The rfind
method returns the index of right-most substring:
>>> s.rfind("&")
29
You can take all elements up to a given index with the slicing operator:
>>> "foobar"[:4]
'foob'
Putting the two together:
>>> s[:s.rfind("&")]
'http://www.domain.com/?s=some'
If you are dealing with URLs in particular, you might want to use built-in libraries that deal with URLs. If, for example, you wanted to remove two
from the above query string:
First, parse the URL as a whole:
>>> import urlparse, urllib
>>> parse_result = urlparse.urlsplit("http://www.domain.com/?s=some&two=20")
>>> parse_result
SplitResult(scheme='http', netloc='www.domain.com', path='/', query='s=some&two=20', fragment='')
Take out just the query string:
>>> query_s = parse_result.query
>>> query_s
's=some&two=20'
Turn it into a dict
:
>>> query_d = urlparse.parse_qs(parse_result.query)
>>> query_d
{'s': ['some'], 'two': ['20']}
>>> query_d['s']
['some']
>>> query_d['two']
['20']
Remove the 'two'
key from the dict:
>>> del query_d['two']
>>> query_d
{'s': ['some']}
Put it back into a query string:
>>> new_query_s = urllib.urlencode(query_d, True)
>>> new_query_s
's=some'
And now stitch the URL back together:
>>> result = urlparse.urlunsplit((
parse_result.scheme, parse_result.netloc,
parse_result.path, new_query_s, parse_result.fragment))
>>> result
'http://www.domain.com/?s=some'
The benefit of this is that you have more control over the URL. Like, if you always wanted to remove the two
argument, even if it was put earlier in the query string ("two=20&s=some"
), this would still do the right thing. It might be overkill depending on what you want to do.
If someone is still struggling to make predictions on images, here is the optimized code to load the saved model and make predictions:
# Modify 'test1.jpg' and 'test2.jpg' to the images you want to predict on
from keras.models import load_model
from keras.preprocessing import image
import numpy as np
# dimensions of our images
img_width, img_height = 320, 240
# load the model we saved
model = load_model('model.h5')
model.compile(loss='binary_crossentropy',
optimizer='rmsprop',
metrics=['accuracy'])
# predicting images
img = image.load_img('test1.jpg', target_size=(img_width, img_height))
x = image.img_to_array(img)
x = np.expand_dims(x, axis=0)
images = np.vstack([x])
classes = model.predict_classes(images, batch_size=10)
print classes
# predicting multiple images at once
img = image.load_img('test2.jpg', target_size=(img_width, img_height))
y = image.img_to_array(img)
y = np.expand_dims(y, axis=0)
# pass the list of multiple images np.vstack()
images = np.vstack([x, y])
classes = model.predict_classes(images, batch_size=10)
# print the classes, the images belong to
print classes
print classes[0]
print classes[0][0]
I take this and it works.
#!/bin/bash
cd "$(dirname "$0")"
CUR_DIR=$(pwd)
You should be able to do this with JavaScript:
<input type="button" value="Click Me!" onclick="submitForms()" />
If your forms have IDs:
submitForms = function(){
document.getElementById("form1").submit();
document.getElementById("form2").submit();
}
If your forms don't have IDs but have names:
submitForms = function(){
document.forms["form1"].submit();
document.forms["form2"].submit();
}
Just (temporarily) killed my Macbook with
killall -u pu -m .
where pu is my userid. Watch the dot at the end of the command.
Also try
pkill -u pu
or
ps -o pid -u pu | xargs kill -1
Step.1
$ git submodule update
Step.2
To be commented out the dependences of classpass
If you are on mac try this :
cd Users/<Your name>
Make sure that you are on the right path by looking for .gradle with
ls -la
then run that to delete .gradle
rm -rf .gradle
This will remove everything. Then launch your commande again and it will work !
A quick search of the docs for the ListView class has turned up getChildCount() and getChildAt() methods inherited from ViewGroup. Can you iterate through them using these? I'm not sure but it's worth a try.
Found it here
By removing the parameter from the anonymous function will be available in the body.
myButton.onclick = function() { alert(myMessage); };
For more info search for 'javascript closures'
Of-course this is an old thread but to make it complete.
From SQL 2008 you can use DATE datatype so you can simply do:
SELECT CONVERT(DATE,GETDATE())
OR
Select * from [User] U
where CONVERT(DATE,U.DateCreated) = '2014-02-07'
Also, if you're performing the query on the Bash command line, I believe the tr
command can be used to substitute the default tabs to arbitrary delimiters.
$ echo "SELECT * FROM Table123" | mysql Database456 | tr "\t" ,
I had the same Problem. I had start my Oracle TNS Listener, then it works normally again.
TAB has a specific meaning in PowerShell. It's for command completion. So if you enter "getch" and then type a TAB. It changes what you typed into "GetChildItem" (it corrects the case, even though that's unnecessary).
From your question, it looks like TAB completion and command completion would overload the TAB key. I'm pretty sure the PowerShell designers didn't want that.
\d
means 'digit'. +
means, '1 or more times'. So \d+
means one or more digit. It will match 12
and 1
.
Just store a regular datetime and ignore everything else. Why spend extra time writing code that loads an int, manipulates it, and converts it into a datetime, when you could just load a datetime?
InnoDB offers:
ACID transactions
row-level locking
foreign key constraints
automatic crash recovery
table compression (read/write)
spatial data types (no spatial indexes)
In InnoDB all data in a row except for TEXT and BLOB can occupy 8,000 bytes at most. No full text indexing is available for InnoDB. In InnoDB the COUNT(*)s (when WHERE, GROUP BY, or JOIN is not used) execute slower than in MyISAM because the row count is not stored internally. InnoDB stores both data and indexes in one file. InnoDB uses a buffer pool to cache both data and indexes.
MyISAM offers:
fast COUNT(*)s (when WHERE, GROUP BY, or JOIN is not used)
full text indexing
smaller disk footprint
very high table compression (read only)
spatial data types and indexes (R-tree)
MyISAM has table-level locking, but no row-level locking. No transactions. No automatic crash recovery, but it does offer repair table functionality. No foreign key constraints. MyISAM tables are generally more compact in size on disk when compared to InnoDB tables. MyISAM tables could be further highly reduced in size by compressing with myisampack if needed, but become read-only. MyISAM stores indexes in one file and data in another. MyISAM uses key buffers for caching indexes and leaves the data caching management to the operating system.
Overall I would recommend InnoDB for most purposes and MyISAM for specialized uses only. InnoDB is now the default engine in new MySQL versions.
Use a list comprehension.
[x + 2 for x in [1, 2, 3]]
If you really, really, really want to use map
, give it an anonymous function as the first argument:
map(lambda x: x + 2, [1,2,3])
I have at least one situation where the data is not automatically cleaned up, which would eventually lead to "Out of Memory" errors. In a UserForm I had:
Public mainPicture As StdPicture
...
mainPicture = LoadPicture(PAGE_FILE)
When UserForm was destroyed (after Unload Me
) the memory allocated for the data loaded in the mainPicture
was not being de-allocated. I had to add an explicit
mainPicture = Nothing
in the terminate event.
Assembly.GetEntryAssembly()
list1 = list1.stream().filter(str1->
list2.stream().map(x->x.getStr()).collect(Collectors.toSet())
.contains(str1)).collect(Collectors.toList());
This may work more efficient.
this works for me, sudo apt-get install libx11-dev
From http://pyyaml.org/wiki/PyYAMLDocumentation:
add_path_resolver(tag, path, kind)
adds a path-based implicit tag resolver. A path is a list of keys that form a path to a node in the representation graph. Paths elements can be string values, integers, or None. The kind of a node can be str, list, dict, or None.
#!/usr/bin/env python
import yaml
class Person(yaml.YAMLObject):
yaml_tag = '!person'
def __init__(self, name):
self.name = name
yaml.add_path_resolver('!person', ['Person'], dict)
data = yaml.load("""
Person:
name: XYZ
""")
print data
# {'Person': <__main__.Person object at 0x7f2b251ceb10>}
print data['Person'].name
# XYZ
You can use Comparator.reverseOrder()
to have a comparator giving the reverse of the natural ordering.
If you want to reverse the ordering of an existing comparator, you can use Comparator.reversed()
.
Sample code:
Stream.of(1, 4, 2, 5)
.sorted(Comparator.reverseOrder());
// stream is now [5, 4, 2, 1]
Stream.of("foo", "test", "a")
.sorted(Comparator.comparingInt(String::length).reversed());
// stream is now [test, foo, a], sorted by descending length
import numpy as np
def find_nearest(array, value):
array = np.asarray(array)
idx = (np.abs(array - value)).argmin()
return array[idx]
array = np.random.random(10)
print(array)
# [ 0.21069679 0.61290182 0.63425412 0.84635244 0.91599191 0.00213826
# 0.17104965 0.56874386 0.57319379 0.28719469]
value = 0.5
print(find_nearest(array, value))
# 0.568743859261
You should include the repository where you want to deploy in the distribution management section of the pom.xml
.
Example:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
...
<distributionManagement>
<repository>
<uniqueVersion>false</uniqueVersion>
<id>corp1</id>
<name>Corporate Repository</name>
<url>scp://repo/maven2</url>
<layout>default</layout>
</repository>
...
</distributionManagement>
...
</project>
When you change your passwords in the security tab, there are two sections, one above and one below. I think the common mistake here is that others try to log-in with the account they have set "below" the one used for htaccess, whereas they should log in to the password they set on the above section. That's how I fixed mine.
You can create multiple workspaces in Eclipse. You have to just specify the path of the workspace during Eclipse startup. You can even switch workspaces via File?Switch workspace.
You can then import project to your workspace, copy paste project to your new workspace folder, then
File?Import?Existing project in to workspace?select project.
For others unexpectedly getting the Window element, a common pitfall:
<a href="javascript:myfunction(this)">click here</a>
which actually scopes this
to the Window object. Instead:
<a href="javascript:nop()" onclick="myfunction(this)">click here</a>
passes the a
object as expected. (nop() is just any empty function.)
It is better to add new Maven repository (preferably using your own artifactory) to your project instead of installing it to your local repository.
Maven syntax:
<dependency>
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3</version>
</dependency>
...
<repositories>
<repository>
<id>codelds</id>
<url>https://code.lds.org/nexus/content/groups/main-repo</url>
</repository>
</repositories>
Grails example:
mavenRepo "https://code.lds.org/nexus/content/groups/main-repo"
build 'com.oracle:ojdbc6:11.2.0.3'
This is not an error, it is a warning from your Microsoft compiler.
Select your project and click "Properties" in the context menu.
In the dialog, chose Configuration Properties
-> C/C++
-> Preprocessor
In the field PreprocessorDefinitions add ;_CRT_SECURE_NO_WARNINGS
to turn those warnings off.
You could use np.isreal
to check the type of each element (applymap applies a function to each element in the DataFrame):
In [11]: df.applymap(np.isreal)
Out[11]:
a b
item
a True True
b True True
c True True
d False True
e True True
If all in the row are True then they are all numeric:
In [12]: df.applymap(np.isreal).all(1)
Out[12]:
item
a True
b True
c True
d False
e True
dtype: bool
So to get the subDataFrame of rouges, (Note: the negation, ~, of the above finds the ones which have at least one rogue non-numeric):
In [13]: df[~df.applymap(np.isreal).all(1)]
Out[13]:
a b
item
d bad 0.4
You could also find the location of the first offender you could use argmin:
In [14]: np.argmin(df.applymap(np.isreal).all(1))
Out[14]: 'd'
As @CTZhu points out, it may be slightly faster to check whether it's an instance of either int or float (there is some additional overhead with np.isreal):
df.applymap(lambda x: isinstance(x, (int, float)))
Jon's answer talks about TimeZone, but I'd suggest using TimeZoneInfo instead.
Personally I like keeping things in UTC where possible (at least for the past; storing UTC for the future has potential issues), so I'd suggest a structure like this:
public struct DateTimeWithZone
{
private readonly DateTime utcDateTime;
private readonly TimeZoneInfo timeZone;
public DateTimeWithZone(DateTime dateTime, TimeZoneInfo timeZone)
{
var dateTimeUnspec = DateTime.SpecifyKind(dateTime, DateTimeKind.Unspecified);
utcDateTime = TimeZoneInfo.ConvertTimeToUtc(dateTimeUnspec, timeZone);
this.timeZone = timeZone;
}
public DateTime UniversalTime { get { return utcDateTime; } }
public TimeZoneInfo TimeZone { get { return timeZone; } }
public DateTime LocalTime
{
get
{
return TimeZoneInfo.ConvertTime(utcDateTime, timeZone);
}
}
}
You may wish to change the "TimeZone" names to "TimeZoneInfo" to make things clearer - I prefer the briefer names myself.
It's quite simple if you're using SourceTree.
Basically you just need to remove and re-add the conflicting tag:
In my case I had a solution with VB Web Forms project that referenced a C# UserControl. Both the VB project and the CS project had a Service Reference to the same service. The reference appeared under Service References in the VB project and under the Connected Services grouping in the CS (framework) project.
In order to update the service reference (ie, get the Reference.vb file to not be empty) in the VB web forms project, I needed to REMOVE THE CS PROJECT, then update the VB Service Reference, then add the CS project back into the solution.
If str
is null, undefined or 0, this code will set it to "hai"
function(nodeBox, str) {
str = str || "hai";
.
.
.
If you also need to pass 0, you can use:
function(nodeBox, str) {
if (typeof str === "undefined" || str === null) {
str = "hai";
}
.
.
.
For cross Python 2/3 compatibility, you can use input
via the six
library:
import six
six.moves.input( 'Press the <ENTER> key to continue...' )
The easiest way is to iterate. For example we want to find the minimum value of array and it's index:
public static Pair<Integer, Integer> getMinimumAndIndex(int[] array) {
int min = array[0];
int index = 0;
for (int i = 1; i < array.length; i++) {
if (array[i] < min) {
min = array[i];
index = i;
}
return new Pair<min, index>;
This way you test all array values and if some of them is minimum you also know minimums index. It can work the same with searching some value:
public static int indexOfNumber(int[] array) {
int index = 0;
for (int i = 0; i < array.length; i++) {
if (array[i] == 77) { // here you pass some value for example 77
index = i;
}
}
return index;
}
Example:
import math
x = 5.55
print((math.floor(x*100)%100))
This is will give you two numbers after the decimal point, 55 from that example. If you need one number you reduce by 10 the above calculations or increase depending on how many numbers you want after the decimal.
saveLeaves(vec,msh);
I'm assuming takes the msh
pointer and puts it inside of vec
. Since msh
is just a pointer to the memory, if you delete it, it will also get deleted inside of the vector.
Guava cache is easy to implementation.We can expires key on time base using guava cache. I have read fully post and below gives key of my study.
cache = CacheBuilder.newBuilder().refreshAfterWrite(2,TimeUnit.SECONDS).
build(new CacheLoader<String, String>(){
@Override
public String load(String arg0) throws Exception {
// TODO Auto-generated method stub
return addcache(arg0);
}
}
Reference : guava cache example
If what you want is to have the print operation automatically change floats to only show 2 decimal places, consider writing a function to replace 'print'. For instance:
def fp(*args): # fp means 'floating print'
tmps = []
for arg in args:
if type(arg) is float: arg = round(arg, 2) # transform only floats
tmps.append(str(arg))
print(" ".join(tmps)
Use fp() in place of print ...
fp("PI is", 3.14159)
... instead of ... print "PI is", 3.14159
I did it in this way that is compatible with Bash and Dash (sh):
testOutput="my test"
pattern="my"
case $testOutput in (*"$pattern"*)
echo "if there is a match"
exit 1
;;
(*)
! echo there is no coincidence!
;;esac
This is another example using defined column/table names.
DELETE FROM jos_jomres_gdpr_optins WHERE `date_time` < '2020-10-21 08:21:22';
Looking at Ruby only:
TL;DR
Use none?
passing it a block with ==
for the comparison:
[1, 2].include?(1)
#=> true
[1, 2].none? { |n| 1 == n }
#=> false
Array#include?
accepts one argument and uses ==
to check against each element in the array:
player = [1, 2, 3]
player.include?(1)
#=> true
Enumerable#none?
can also accept one argument in which case it uses ===
for the comparison. To get the opposing behaviour to include?
we omit the parameter and pass it a block using ==
for the comparison.
player.none? { |n| 7 == n }
#=> true
!player.include?(7) #notice the '!'
#=> true
In the above example we can actually use:
player.none?(7)
#=> true
That's because Integer#==
and Integer#===
are equivalent. But consider:
player.include?(Integer)
#=> false
player.none?(Integer)
#=> false
none?
returns false
because Integer === 1 #=> true
. But really a legit notinclude?
method should return true
. So as we did before:
player.none? { |e| Integer == e }
#=> true
I got same error after publish my project to my physical server. My web application works perfectly on my computer when I compile on VS2013
. When I checked connection string on sql server manager, everything works perfect on server too. I also checked firewall (I switched it off). But still didn't work. I remotely try to connect database by SQL Manager with exactly same user/pass and instance name etc with protocol pipe/tcp and I saw that everything working normally. But when I try to open website I'm getting this error. Is there anyone know 4th option for fix this problem?.
NOTE: My App: ASP.NET 4.5 (by VS2013)
, Server: Windows 2008 R2 64bit
, SQL: MS-SQL WEB 2012 SP1
Also other web applications works great at web browsers with their database on same server.
After one day suffering I found the solution of my issue:
First I checked all the logs and other details but i could find nothing. Suddenly I recognize that; when I try to use connection string which is connecting directly to published DB and run application on my computer by VS2013, I saw that it's connecting another database file. I checked local directories and I found it. ASP.NET Identity not using my connection string as I wrote in web.config file. And because of this VS2013 is creating or connecting a new database with the name "DefaultConnection.mdf" in App_Data folder. Then I found the solution, it was in IdentityModel.cs.
I changed code as this:
public class ApplicationUser : IdentityUser
{
}
public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
//public ApplicationDbContext() : base("DefaultConnection") ---> this was original
public ApplicationDbContext() : base("<myConnectionStringNameInWebConfigFile>") //--> changed
{
}
}
So, after all, I re-builded and published my project and everything works fine now :)
String[] columnDetail = new String[11];
columnDetail = column.split("\t", -1); // unlimited
OR
columnDetail = column.split("\t", 11); // if you are sure about limit.
* The {@code limit} parameter controls the number of times the
* pattern is applied and therefore affects the length of the resulting
* array. If the limit <i>n</i> is greater than zero then the pattern
* will be applied at most <i>n</i> - 1 times, the array's
* length will be no greater than <i>n</i>, and the array's last entry
* will contain all input beyond the last matched delimiter. If <i>n</i>
* is non-positive then the pattern will be applied as many times as
* possible and the array can have any length. If <i>n</i> is zero then
* the pattern will be applied as many times as possible, the array can
* have any length, and trailing empty strings will be discarded.
You should be able to add:
restart: always
to every service you want to restart in the docker-compose.yml
file.
See: https://github.com/compose-spec/compose-spec/blob/master/spec.md#restart
$("#form input , select , textarea").keypress(function(e){
if(e.keyCode == 13){
var enter_position = $(this).index();
$("#form input , select , textarea").eq(enter_position+1).focus();
}
});
Integer objects are immutable. You can't change the value of the integer held by the object itself, but you can just create a new Integer object to hold the result:
Integer start = new Integer(5);
Integer end = start + 5; // end == 10;
This happened to me too with .NET and MVC 5 and after a while I realized that within the label on Index.cshtml file:
<div data-ng-view=""></div>
again included as section scripts happens to you. To solve the problem on the server side what I do is return the partial view. Something like:
public class HomeController : Controller
{
public ActionResult Index()
{
return View();
}
public ActionResult Login()
{
return PartialView();
}
public ActionResult About()
{
return PartialView();
}
}
Changes work when staged and non-staged with this command. New files work when staged:
$ git diff HEAD
If they are not staged, you will only see file differences.
1,Download the bat to exe converter and install it 2,Run the bat to exe application 3,Download .pco images if you want to make good looking exe 4,specify the bat file location(c:\my.bat) 5,Specify the location for saving the exe(ex:c:/my.exe) 6,Select Version Information Tab 7,Choose the icon file (downloaded .pco image) 8,if you want fill the information like version,comapny name etc 9,change the tab to option 10,Select the invisible application(This will hide the command prompt while running the application) 11,Choose 32 bit(if you select 64 bit exe will work only in 32 bit OS) 12,Compile 13,Copy the exe to the location where bat file executed properly 14,Run the exe
git reset HEAD <file>
for removing a particular file from the index.
and
git reset HEAD
for removing all indexed files.
Go to the start menu. Open up cmd (command prompt) and type in the following.
wmic process list brief | find /i "tomcat"
This would tell you if the tomcat is running or not.
Interestingly enough I tried both of these in LinqPad and the variant using group from Dmitry Gribkov by appears to be quicker. (also the final distinct is not required as the result is already distinct.
My (somewhat simple) code was:
public class Pair
{
public int id {get;set;}
public string Arb {get;set;}
}
void Main()
{
var theList = new List<Pair>();
var randomiser = new Random();
for (int count = 1; count < 10000; count++)
{
theList.Add(new Pair
{
id = randomiser.Next(1, 50),
Arb = "not used"
});
}
var timer = new Stopwatch();
timer.Start();
var distinct = theList.GroupBy(c => c.id).Select(p => p.First().id);
timer.Stop();
Debug.WriteLine(timer.Elapsed);
timer.Start();
var otherDistinct = theList.Select(p => p.id).Distinct();
timer.Stop();
Debug.WriteLine(timer.Elapsed);
}
Clickatell is a popular SMS gateway. It works in 200+ countries.
Their API offers a choice of connection options via: HTTP/S, SMPP, SMTP, FTP, XML, SOAP. Any of these options can be used from php.
The HTTP/S method is as simple as this:
http://api.clickatell.com/http/sendmsg?to=NUMBER&msg=Message+Body+Here
The SMTP method consists of sending a plain-text e-mail to: [email protected]
, with the following body:
user: xxxxx
password: xxxxx
api_id: xxxxx
to: 448311234567
text: Meet me at home
You can also test the gateway (incoming and outgoing) for free from your browser
It depends on how often you insert or read. You can increase the array by more than one if needed.
numberOfItems = ??
' ...
If numberOfItems+1 >= arr.Length Then
Array.Resize(arr, arr.Length + 10)
End If
arr(numberOfItems) = newItem
numberOfItems += 1
Also for A, you only need to get the array if needed.
Dim list As List(Of Integer)(arr) ' Do this only once, keep a reference to the list
' If you create a new List everything you add an item then this will never be fast
'...
list.Add(newItem)
arrayWasModified = True
' ...
Function GetArray()
If arrayWasModified Then
arr = list.ToArray()
End If
Return Arr
End Function
If you have the time, I suggest you convert it all to List and remove arrays.
* My code might not compile
One is a static import (<%=@ include...>"), the other is a dynamic one (jsp:include). It will affect for example the path you gonna have to specify for your included file. A little research on Google will tell you more.
I like the last two answers, but I experienced an issue if the the subclass referenced "this"
in ngOnDestroy
.
I modified it to be this, and it looks like it resolved that issue.
export abstract class BaseComponent implements OnDestroy {
protected componentDestroyed$: Subject<boolean>;
constructor() {
this.componentDestroyed$ = new Subject<boolean>();
let f = this.ngOnDestroy;
this.ngOnDestroy = function() {
// without this I was getting an error if the subclass had
// this.blah() in ngOnDestroy
f.bind(this)();
this.componentDestroyed$.next(true);
this.componentDestroyed$.complete();
};
}
/// placeholder of ngOnDestroy. no need to do super() call of extended class.
ngOnDestroy() {}
}
You can use File.WriteAllBytes
UNIT TESTING
Unit testing includes testing of smallest unit of code which usually are functions or methods. Unit testing is mostly done by developer of unit/method/function, because they understand the core of a function. The main goal of the developer is to cover code by unit tests.
It has a limitation that some functions cannot be tested through unit tests. Even after the successful completion of all the unit tests; it does not guarantee correct operation of the product. The same function can be used in few parts of the system while the unit test was written only for one usage.
FUNCTIONAL TESTING
It is a type of Black Box testing where testing will be done on the functional aspects of a product without looking into the code. Functional testing is mostly done by a dedicated Software tester. It will include positive, negative and BVA techniques using un standardized data for testing the specified functionality of product. Test coverage is conducted in an improved manner by functional tests than by unit tests. It uses application GUI for testing, so it’s easier to determine what exactly a specific part of the interface is responsible for rather to determine what a code is function responsible for.
Download Json.NET from here http://james.newtonking.com/projects/json-net.aspx
name deserializedName = JsonConvert.DeserializeObject<name>(jsonData);
I faced similar issue.
The folder was shared and Authenticated Users permission was provided, which solved my issue.
The answer of Pardeep Jain can be useful for static data, but what if we have an array in JSON?
For example, we have i values and get the value of id field
alert(obj[i].id); //works!
But what if we need key with spaces?
In this case, the following construction can help (without point between [] blocks):
alert(obj[i]["No. of interfaces"]); //works too!
Update: Some people say one should -never- use eval. I disagree. I think the risk arises when corrupt input can be passed to eval
. However there are many common situations where that is not a risk, and therefore it is worth knowing how to use eval in any case. This stackoverflow answer explains the risks of eval and alternatives to eval. Ultimately it is up to the user to determine if/when eval is safe and efficient to use.
The bash eval
statement allows you to execute lines of code calculated or acquired, by your bash script.
Perhaps the most straightforward example would be a bash program that opens another bash script as a text file, reads each line of text, and uses eval
to execute them in order. That's essentially the same behavior as the bash source
statement, which is what one would use, unless it was necessary to perform some kind of transformation (e.g. filtering or substitution) on the content of the imported script.
I rarely have needed eval
, but I have found it useful to read or write variables whose names were contained in strings assigned to other variables. For example, to perform actions on sets of variables, while keeping the code footprint small and avoiding redundancy.
eval
is conceptually simple. However, the strict syntax of the bash language, and the bash interpreter's parsing order can be nuanced and make eval
appear cryptic and difficult to use or understand. Here are the essentials:
The argument passed to eval
is a string expression that is calculated at runtime. eval
will execute the final parsed result of its argument as an actual line of code in your script.
Syntax and parsing order are stringent. If the result isn't an executable line of bash code, in scope of your script, the program will crash on the eval
statement as it tries to execute garbage.
When testing you can replace the eval
statement with echo
and look at what is displayed. If it is legitimate code in the current context, running it through eval
will work.
Example 1:
eval
statement in front of 'normal' code is a NOP$ eval a=b
$ eval echo $a
b
In the above example, the first eval
statements has no purpose and can be eliminated. eval
is pointless in the first line because there is no dynamic aspect to the code, i.e. it already parsed into the final lines of bash code, thus it would be identical as a normal statement of code in the bash script. The 2nd eval
is pointless too, because, although there is a parsing step converting $a
to its literal string equivalent, there is no indirection (e.g. no referencing via string value of an actual bash noun or bash-held script variable), so it would behave identically as a line of code without the eval
prefix.
Example 2:
$ key="mykey"
$ val="myval"
$ eval $key=$val
$ echo $mykey
myval
If you were to echo $key=$val
, the output would be:
mykey=myval
That, being the final result of string parsing, is what will be executed by eval, hence the result of the echo statement at the end...
Example 3:
$ keyA="keyB"
$ valA="valB"
$ keyB="that"
$ valB="amazing"
$ eval eval \$$keyA=\$$valA
$ echo $that
amazing
The above is a bit more complicated than the previous example, relying more heavily on the parsing-order and peculiarities of bash. The eval
line would roughly get parsed internally in the following order (note the following statements are pseudocode, not real code, just to attempt to show how the statement would get broken down into steps internally to arrive at the final result).
eval eval \$$keyA=\$$valA # substitution of $keyA and $valA by interpreter
eval eval \$keyB=\$valB # convert '$' + name-strings to real vars by eval
eval $keyB=$valB # substitution of $keyB and $valB by interpreter
eval that=amazing # execute string literal 'that=amazing' by eval
If the assumed parsing order doesn't explain what eval is doing enough, the third example may describe the parsing in more detail to help clarify what is going on.
Example 4:
a="User-provided"
b="Another user-provided optional value"
c=""
myvarname_a="a"
myvarname_b="b"
myvarname_c="c"
for varname in "myvarname_a" "myvarname_b" "myvarname_c"; do
eval varval=\$$varname
if [ -z "$varval" ]; then
read -p "$varname? " $varname
fi
done
In the first iteration:
varname="myvarname_a"
Bash parses the argument to eval
, and eval
sees literally this at runtime:
eval varval=\$$myvarname_a
The following pseudocode attempts to illustrate how bash interprets the above line of real code, to arrive at the final value executed by eval
. (the following lines descriptive, not exact bash code):
1. eval varval="\$" + "$varname" # This substitution resolved in eval statement
2. .................. "$myvarname_a" # $myvarname_a previously resolved by for-loop
3. .................. "a" # ... to this value
4. eval "varval=$a" # This requires one more parsing step
5. eval varval="User-provided" # Final result of parsing (eval executes this)
Once all the parsing is done, the result is what is executed, and its effect is obvious, demonstrating there is nothing particularly mysterious about eval
itself, and the complexity is in the parsing of its argument.
varval="User-provided"
The remaining code in the example above simply tests to see if the value assigned to $varval is null, and, if so, prompts the user to provide a value.
I managed to do a portable, non-polling solution with 3 processes by abusing terminal control and sessions.
The trick is:
That way:
Shortcomings:
Most recent solution:
HTML
<div class="parent">
<img src="image.jpg" height="600" width="600"/>
</div>
CSS
.parent {
width: 200px;
height: 200px;
overflow: hidden;
/* Magic */
display: flex;
align-items: center; /* vertical */
justify-content: center; /* horizontal */
}
public nameOfTheClass() {
final Container c = this.getContentPane();
public void actionPerformed(ActionEvent e) {
c.setBackground(Color.white);
}
}
As user @aaracrr pointed out in a comment on another answer probably the best answer is to re-require the package with the same version constraint.
ie.
composer require vendor/package
or specifying a version constraint
composer require vendor/package:^1.0.0
You have a few options depending on why you want to return different types.
a) You can just return an object, and the caller can cast it (possibly after type checks) to what they want. This means of course, that you lose a lot of the advantages of static typing.
b) If the types returned all have a 'requirement' in common, you might be able to use generics with constriants.
c) Create a common interface between all of the possible return types and then return the interface.
d) Switch to F# and use pattern matching and discriminated unions. (Sorry, slightly tongue in check there!)
.MERGE_MSG.swp is open in your git, you just need to delete this .swp file. In my case I used following command and it worked fine.
rm .MERGE_MSG.swp
PuTTY usually comes with a client called psftp which you can leverage for this purpose. I don't believe you can do it through the standard PuTTY client (although I may be proven wrong on that).
PuTTY only gives you access to manipulate the remote machine. It doesn't provide a direct link between the two file systems any more than sitting down at the remote machine does.
Don't pass db models directly to your views. You're lucky enough to be using MVC, so encapsulate using view models.
Create a view model class like this:
public class EmployeeAddViewModel
{
public Employee employee { get; set; }
public Dictionary<int, string> staffTypes { get; set; }
// really? a 1-to-many for genders
public Dictionary<int, string> genderTypes { get; set; }
public EmployeeAddViewModel() { }
public EmployeeAddViewModel(int id)
{
employee = someEntityContext.Employees
.Where(e => e.ID == id).SingleOrDefault();
// instantiate your dictionaries
foreach(var staffType in someEntityContext.StaffTypes)
{
staffTypes.Add(staffType.ID, staffType.Type);
}
// repeat similar loop for gender types
}
}
Controller:
[HttpGet]
public ActionResult Add()
{
return View(new EmployeeAddViewModel());
}
[HttpPost]
public ActionResult Add(EmployeeAddViewModel vm)
{
if(ModelState.IsValid)
{
Employee.Add(vm.Employee);
return View("Index"); // or wherever you go after successful add
}
return View(vm);
}
Then, finally in your view (which you can use Visual Studio to scaffold it first), change the inherited type to ShadowVenue.Models.EmployeeAddViewModel. Also, where the drop down lists go, use:
@Html.DropDownListFor(model => model.employee.staffTypeID,
new SelectList(model.staffTypes, "ID", "Type"))
and similarly for the gender dropdown
@Html.DropDownListFor(model => model.employee.genderID,
new SelectList(model.genderTypes, "ID", "Gender"))
Update per comments
For gender, you could also do this if you can be without the genderTypes in the above suggested view model (though, on second thought, maybe I'd generate this server side in the view model as IEnumerable). So, in place of new SelectList...
below, you would use your IEnumerable.
@Html.DropDownListFor(model => model.employee.genderID,
new SelectList(new SelectList()
{
new { ID = 1, Gender = "Male" },
new { ID = 2, Gender = "Female" }
}, "ID", "Gender"))
Finally, another option is a Lookup table. Basically, you keep key-value pairs associated with a Lookup type. One example of a type may be gender, while another may be State, etc. I like to structure mine like this:
ID | LookupType | LookupKey | LookupValue | LookupDescription | Active
1 | Gender | 1 | Male | male gender | 1
2 | State | 50 | Hawaii | 50th state | 1
3 | Gender | 2 | Female | female gender | 1
4 | State | 49 | Alaska | 49th state | 1
5 | OrderType | 1 | Web | online order | 1
I like to use these tables when a set of data doesn't change very often, but still needs to be enumerated from time to time.
Hope this helps!
@echo off
setlocal enableextensions disabledelayedexpansion
set "search=%1"
set "replace=%2"
set "textFile=Input.txt"
for /f "delims=" %%i in ('type "%textFile%" ^& break ^> "%textFile%" ') do (
set "line=%%i"
setlocal enabledelayedexpansion
>>"%textFile%" echo(!line:%search%=%replace%!
endlocal
)
for /f
will read all the data (generated by the type
comamnd) before starting to process it. In the subprocess started to execute the type
, we include a redirection overwritting the file (so it is emptied). Once the do
clause starts to execute (the content of the file is in memory to be processed) the output is appended to the file.
For variable argument functions like printf
and scanf
, the arguments are promoted, for example, any smaller integer types are promoted to int
, float
is promoted to double
.
scanf
takes parameters of pointers, so the promotion rule takes no effect. It must use %f
for float*
and %lf
for double*
.
printf
will never see a float
argument, float
is always promoted to double
. The format specifier is %f
. But C99 also says %lf
is the same as %f
in printf
:
C99 §7.19.6.1 The
fprintf
function
l
(ell) Specifies that a followingd
,i
,o
,u
,x
, orX
conversion specifier applies to along int
orunsigned long int
argument; that a followingn
conversion specifier applies to a pointer to along int
argument; that a followingc
conversion specifier applies to awint_t
argument; that a followings
conversion specifier applies to a pointer to awchar_t
argument; or has no effect on a followinga
,A
,e
,E
,f
,F
,g
, orG
conversion specifier.
This is how I do this in order to work with LINQ.
DateTime date_time_to_compare = DateTime.Now;
//Compare only date parts
context.YourObject.FirstOrDefault(r =>
EntityFunctions.TruncateTime(r.date) == EntityFunctions.TruncateTime(date_to_compare));
If you only use dtOne.Date == dtTwo.Date
it wont work with LINQ (Error: The specified type member 'Date' is not supported in LINQ to Entities)
Here's another method for generating a random string:
SELECT SUBSTRING(MD5(RAND()) FROM 1 FOR 8) AS myrandomstring
I had to do a :
git checkout -b master
as git said that it doesn't exists, because it's been wipe with the
git -D master
if re.search(r'pattern', string):
Simple if-test:
if re.search(r'ing\b', "seeking a great perhaps"): # any words end with ing?
print("yes")
Pattern check, extract a substring, case insensitive:
match_object = re.search(r'^OUGHT (.*) BE$', "ought to be", flags=re.IGNORECASE)
if match_object:
assert "to" == match_object.group(1) # what's between ought and be?
Notes:
Use re.search()
not re.match. Match restricts to the start of strings, a confusing convention if you ask me. If you do want a string-starting match, use caret or \A
instead, re.search(r'^...', ...)
Use raw string syntax r'pattern'
for the first parameter. Otherwise you would need to double up backslashes, as in re.search('ing\\b', ...)
In this example, \b
is a special sequence meaning word-boundary in regex. Not to be confused with backspace.
re.search()
returns None
if it doesn't find anything, which is always falsy.
re.search()
returns a Match object if it finds anything, which is always truthy.
a group is what matched inside parentheses
group numbering starts at 1
Oracle has released JDK 7 for OS X.
Try this
function removeElements(){
$('#models').html("");
}
You can try this with Color.FromArgb
:
Random rnd = new Random();
lbl.ForeColor = Color.FromArgb(rnd.Next(255), rnd.Next(255), rnd.Next(255));
The Simpler Way Of Converting A String To Integer In Groovy Is As Follows...
String aa="25"
int i= aa.toInteger()
Now "i" Holds The Integer Value.
Here is a useful git alias
that works for me.
git config --global alias.tree '! git ls-tree --full-name --name-only -t -r HEAD | sed -e "s/[^-][^\/]*\// |/g" -e "s/|\([^ ]\)/|-- \1/"'
Here is the output of git tree
jonavon@XPS13:~/projects/roman-numerals$ git tree
.gitignore
pom.xml
src
|-- main
| |-- java
| | |-- com
| | | |-- foxguardsolutions
| | | | |-- jonavon
| | | | | |-- AbstractFile.java
| | | | | |-- roman
| | | | | | |-- Main.java
| | | | | | |-- Numeral.java
| | | | | | |-- RomanNumberInputFile.java
| | | | | | |-- RomanNumeralToDecimalEvaluator.java
|-- test
| |-- java
| | |-- com
| | | |-- foxguardsolutions
| | | | |-- jonavon
| | | | | |-- roman
| | | | | | |-- InterpretSteps.java
| | | | | | |-- RunCukesTest.java
| |-- resources
| | |-- com
| | | |-- foxguardsolutions
| | | | |-- jonavon
| | | | | |-- roman
| | | | | | |-- Interpret.feature
| | |-- sample-input.txt
The comparable tree
command
jonavon@XPS13:~/projects/roman-numerals$ tree -n
.
+-- pom.xml
+-- src
¦ +-- main
¦ ¦ +-- java
¦ ¦ +-- com
¦ ¦ +-- foxguardsolutions
¦ ¦ +-- jonavon
¦ ¦ +-- AbstractFile.java
¦ ¦ +-- roman
¦ ¦ +-- Main.java
¦ ¦ +-- Numeral.java
¦ ¦ +-- RomanNumberInputFile.java
¦ ¦ +-- RomanNumeralToDecimalEvaluator.java
¦ +-- test
¦ +-- java
¦ ¦ +-- com
¦ ¦ +-- foxguardsolutions
¦ ¦ +-- jonavon
¦ ¦ +-- roman
¦ ¦ +-- InterpretSteps.java
¦ ¦ +-- RunCukesTest.java
¦ +-- resources
¦ +-- com
¦ ¦ +-- foxguardsolutions
¦ ¦ +-- jonavon
¦ ¦ +-- roman
¦ ¦ +-- Interpret.feature
¦ +-- sample-input.txt
+-- target
+-- classes
¦ +-- com
¦ +-- foxguardsolutions
¦ +-- jonavon
¦ +-- AbstractFile.class
¦ +-- roman
¦ +-- Main.class
¦ +-- Numeral.class
¦ +-- RomanNumberInputFile.class
¦ +-- RomanNumeralToDecimalEvaluator.class
+-- generated-sources
¦ +-- annotations
+-- maven-status
+-- maven-compiler-plugin
+-- compile
+-- default-compile
+-- createdFiles.lst
+-- inputFiles.lst
30 directories, 17 files
Clearly tree has better output, but I would like it to use my .gitignore file. So that my compiled content doesn't show
public static String MD5Hash(String toHash) throws RuntimeException {
try{
return String.format("%032x", // produces lower case 32 char wide hexa left-padded with 0
new BigInteger(1, // handles large POSITIVE numbers
MessageDigest.getInstance("MD5").digest(toHash.getBytes())));
}
catch (NoSuchAlgorithmException e) {
// do whatever seems relevant
}
}
I think you may be looking for the StringBuilder class. If not, then the generic List class in string form:
List<string> myStringList = new List<string();
myStringList.Add("Test 1");
myStringList.Add("Test 2");
Or, if you need to be absolutely sure that the strings remain in order:
Queue<string> myStringInOriginalOrder = new Queue<string();
myStringInOriginalOrder.Enqueue("Testing...");
myStringInOriginalOrder.Enqueue("1...");
myStringInOriginalOrder.Enqueue("2...");
myStringInOriginalOrder.Enqueue("3...");
Remember, with the List class, the order of the items is an implementation detail and you are not guaranteed that they will stay in the same order you put them in.
Put the following in your .cs file:
using System.Linq;
You will then be able to use the following extension method from System.Linq.Enumerable:
public static TSource[] ToArray<TSource>(this System.Collections.Generic.IEnumerable<TSource> source)
I.e.
IEnumerable<object> query = ...;
object[] bob = query.ToArray();
Getting rid of Integrated Security=true
worked for me.
Install the following to resolve your error.
2007 Office System Driver: Data Connectivity Components
AccessDatabaseEngine.exe (25.3 MB)
This download will install a set of components that facilitate the transfer of data between existing Microsoft Office files such as Microsoft Office Access 2007 (*.mdb and .accdb) files and Microsoft Office Excel 2007 (.xls, *.xlsx, and *.xlsb) files to other data sources such as Microsoft SQL Server.
I do not know why there is no answer directly addressing the problem. When you
want to compile C++ program, it is best to use clang++
. For example, the
following works for me:
clang++ -Wall -std=c++11 test.cc -o test
If compiled correctly, it will produce the executable file test
, and you can
run the file by using ./test
.
Or you can just use clang++ test.cc
to compile the program. It will produce a
default executable file named a.out
. Use ./a.out
to run the file.
The whole process is a lot like g++ if you are familiar with g++. See this
post to check which warnings are included with -Wall
option. This
page shows a list of diagnostic flags supported by Clang.
A note on using clang -x c++
: Kim Gräsman says that you can also use
clang -x c++
to compile cpp programs, but that may not be true. For example,
I am having a simple program below:
#include <iostream>
#include <vector>
int main() {
/* std::vector<int> v = {1, 2, 3, 4, 5}; */
std::vector<int> v(10, 5);
int sum = 0;
for (int i = 0; i < v.size(); i++){
sum += v[i]*2;
}
std::cout << "sum is " << sum << std::endl;
return 0;
}
clang++ test.cc -o test
will compile successfully, but clang -x c++
will
not, showing a lot undefined references errors. So I guess they are not exactly
equivalent. It is best to use clang++
instead of clang -x c++
when
compiling c++ programs to avoid extra troubles.
try this one:
x = document.getElementById("td35");
if (x.childElementCount > 0) {
x = document.getElementById("LastRow");
x.style.display = "block";
}
else {
x = document.getElementById("LastRow");
x.style.display = "none";
}
With the most recent version of jquery, you can use $("#superpics div").children().length
.
There is a limit, yes. See ulimit
.
Also you need to consider the TIMED_WAIT
state. Once a TCP socket is closed (by default) the port remains occupied in TIMED_WAIT
status for 2 minutes. This value is tunable. This will also "run you out of sockets" even though they are closed.
Run netstat
to see the TIMED_WAIT
stuff in action.
P.S. The reason for TIMED_WAIT
is to handle the case of packets arriving after the socket is closed. This can happen because packets are delayed or the other side just doesn't know that the socket has been closed yet. This allows the OS to silently drop those packets without a chance of "infecting" a different, unrelated socket connection.
Just try this:
Bitmap bitmap = BitmapFactory.decodeFile("/path/images/image.jpg");
ByteArrayOutputStream blob = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.PNG, 0 /* Ignored for PNGs */, blob);
byte[] bitmapdata = blob.toByteArray();
If bitmapdata
is the byte array then getting Bitmap
is done like this:
Bitmap bitmap = BitmapFactory.decodeByteArray(bitmapdata, 0, bitmapdata.length);
Returns the decoded Bitmap
, or null
if the image could not be decoded.
If Maven build works fine, try to synchronizing structure of Maven and IntelliJ IDEA projects.
In the Maven tool window, click refresh button . On pressing this button, IntelliJ IDEA parses the project structure in the Maven tool window.
Note that this might not help if you're using EAP build, since Maven synchronization feature may be broken sometimes.
* Uses proxy env variable http_proxy == 'https://proxy.in.tum.de:8080' ^^^^^
The https://
is wrong, it should be http://
. The proxy itself should be accessed by HTTP and not HTTPS even though the target URL is HTTPS. The proxy will nevertheless properly handle HTTPS connection and keep the end-to-end encryption. See HTTP CONNECT method for details how this is done.
You can use NSTask
. Here's an example that would run '/usr/bin/grep foo bar.txt
'.
int pid = [[NSProcessInfo processInfo] processIdentifier];
NSPipe *pipe = [NSPipe pipe];
NSFileHandle *file = pipe.fileHandleForReading;
NSTask *task = [[NSTask alloc] init];
task.launchPath = @"/usr/bin/grep";
task.arguments = @[@"foo", @"bar.txt"];
task.standardOutput = pipe;
[task launch];
NSData *data = [file readDataToEndOfFile];
[file closeFile];
NSString *grepOutput = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding];
NSLog (@"grep returned:\n%@", grepOutput);
NSPipe
and NSFileHandle
are used to redirect the standard output of the task.
For more detailed information on interacting with the operating system from within your Objective-C application, you can see this document on Apple's Development Center: Interacting with the Operating System.
Edit: Included fix for NSLog problem
If you are using NSTask to run a command-line utility via bash, then you need to include this magic line to keep NSLog working:
//The magic line that keeps your log where it belongs
task.standardOutput = pipe;
An explanation is here: https://web.archive.org/web/20141121094204/https://cocoadev.com/HowToPipeCommandsWithNSTask
Actually the minimum amount of Angular to be used (as requested in the original question) is just adding a class to the DOM element when show
variable is true, and perform the animation/transition via CSS.
So your minimum Angular code is this:
<div class="box-opener" (click)="show = !show">
Open/close the box
</div>
<div class="box" [class.opened]="show">
<!-- Content -->
</div>
With this solution, you need to create CSS rules for the transition, something like this:
.box {
background-color: #FFCC55;
max-height: 0px;
overflow-y: hidden;
transition: ease-in-out 400ms max-height;
}
.box.opened {
max-height: 500px;
transition: ease-in-out 600ms max-height;
}
If you have retro-browser-compatibility issues, just remember to add the vendor prefixes in the transition
s.
See the example here
Javascript is pretty good at manipulating css.
document.body.style.cursor = *cursor-url*;
//OR
var elementToChange = document.getElementsByTagName("body")[0];
elementToChange.style.cursor = "url('cursor url with protocol'), auto";
or with jquery:
$("html").css("cursor: url('cursor url with protocol'), auto");
Firefox will not work unless you specify a default cursor after the imaged one!
Also remember that IE6 only supports .cur and .ani cursors.
If cursor doesn't change: In case you are moving the element under the cursor relative to the cursor position (e.g. element dragging) you have to force a redraw on the element:
// in plain js
document.getElementById('parentOfElementToBeRedrawn').style.display = 'none';
document.getElementById('parentOfElementToBeRedrawn').style.display = 'block';
// in jquery
$('#parentOfElementToBeRedrawn').hide().show(0);
working sample:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>First jQuery-Enabled Page</title>
<style type="text/css">
div {
height: 100px;
width: 1000px;
background-color: red;
}
</style>
<script type="text/javascript" src="jquery-1.3.2.js"></script></head>
<body>
<div>
hello with a fancy cursor!
</div>
</body>
<script type="text/javascript">
document.getElementsByTagName("body")[0].style.cursor = "url('http://wiki-devel.sugarlabs.org/images/e/e2/Arrow.cur'), auto";
</script>
</html>
1.Close your project:Completely quit Xcode. 2.Go to your project location:there you will find two files in you root folder with varying extensions: Appname.xcodeproj and Appname.xcworkspace
Now open your project by Double clicking on file with the extensions xcworkspace.(***Appname.xcworkspace*)**
Yourproject will open in xcode. Now run your project again.
If you pay close attention when installing your pods,firebase makes it clear to open your project with your-project.xcworkspace after installing pods firebaseIOS Setup
$ cd your-project directory
$ pod init
Add to Podfile
pod 'Firebase/Core'
And finally:
$ pod install
$ open your-project.xcworkspace
Dont forget to add firebase to your AppDelegate
Create an array to store the objects:
ArrayList<MyObject> list = new ArrayList<MyObject>();
In a single step:
list.add(new MyObject (1, 2, 3)); //Create a new object and adding it to list.
or
MyObject myObject = new MyObject (1, 2, 3); //Create a new object.
list.add(myObject); // Adding it to the list.
If you want to present the image, add a method as a helper class or to the model itself and allow the method to convert the byte array image to a image format like PNG or JPG then convert to Base64 string. Once you have that, bind the base64 value on your view in the format
"data:image/[image file type extension];base64,[your base64 string goes here]"
The above is assigned to the img
tag's src
attribute.
The only issue I have with this is the base64 string being too long. So, I would not recommend it for multiple models being shown in a view.
This feature has been added in dplyr v0.3. You can now pass a named character vector to the by
argument in left_join
(and other joining functions) to specify which columns to join on in each data frame. With the example given in the original question, the code would be:
left_join(test_data, kantrowitz, by = c("first_name" = "name"))
You can use jQuery load method to get the contents and insert into an element.
Try this:
$(document).ready(function() {
$("#lesen").click(function() {
$(".text").load("helloworld.txt");
});
});
You, can also add a call back to execute something once the load process is complete
e.g:
$(document).ready(function() {
$("#lesen").click(function() {
$(".text").load("helloworld.txt", function(){
alert("Done Loading");
});
});
});
Note that openpyxl does not have a large toolbox for manipulating and editing images. Xlsxwriter has methods for images, but on the other hand cannot import existing worksheets...
I have found that this works for rows... I'm sure there's a way to do it for columns...
import openpyxl
oxl = openpyxl.load_workbook('File Loction Here')
xl = oxl.['SheetName']
x=0
col = "A"
row = x
while (row <= 100):
y = str(row)
cell = col + row
xl[cell] = x
row = row + 1
x = x + 1
private Uri imageUri;
....
Intent intent = new Intent(this, GoogleActivity.class);
intent.putExtra("imageUri", imageUri.toString());
startActivity(intent);
this.finish();
And then you can fetch it like this:
imageUri = Uri.parse(extras.getString("imageUri"));
Note that const declarations are block-scoped.
const el: HTMLElement | null = document.getElementById('content');
if (el) {
const definitelyAnElement: HTMLElement = el;
}
So the value of definitelyAnElement is not accessible outside of the {}.
(I would have commented above, but I do not have enough Reputation apparently.)
A simple return
statement will 'stop' or return the function; in precise terms, it 'returns' function execution to the point at which the function was called - the function is terminated without further action.
That means you could have a number of places throughout your function where it might return. Like this:
def player():
# do something here
check_winner_variable = check_winner() # check something
if check_winner_variable == '1':
return
second_test_variable = second_test()
if second_test_variable == '1':
return
# let the computer do something
computer()
A public class is one option, if you want something more encapsulated you can use an abstract/anonymous class combination. My favorite part is that autocomplete still works (for PhpStorm) for this but I don't have a public class sitting around.
<?php
final class MyParentClass
{
/**
* @return MyStruct[]
*/
public function getData(): array
{
return array(
$this->createMyObject("One", 1.0, new DateTime("now")),
$this->createMyObject("Two", 2.0, new DateTime("tommorow"))
);
}
private function createMyObject(string $description, float $magnitude, DateTime $timeStamp): MyStruct
{
return new class(func_get_args()) extends MyStruct {
protected function __construct(array $args)
{
$this->description = $args[0];
$this->magnitude = $args[1];
$this->timeStamp = $args[2];
}
};
}
}
abstract class MyStruct
{
public string $description;
public float $magnitude;
public DateTime $timeStamp;
}
This is in response to a number of comments as my reputation isn't high enough to comment directly.
You can specify the profile at runtime as long as the application context has not yet been loaded.
// Previous answers incorrectly used "spring.active.profiles" instead of
// "spring.profiles.active" (as noted in the comments).
// Use AbstractEnvironment.ACTIVE_PROFILES_PROPERTY_NAME to avoid this mistake.
System.setProperty(AbstractEnvironment.ACTIVE_PROFILES_PROPERTY_NAME, environment);
ApplicationContext applicationContext = new ClassPathXmlApplicationContext("/META-INF/spring/applicationContext.xml");
You could declare your parameters in the file, like param:
[string]$para1
[string]$param2
And then call the PowerShell file like so .\temp.ps1 para1 para2....para10
, etc.
Open Extensions Sidebar (Ctrl + Shift + X)
Search for open in browser and install it
Right click on your html file, and select "Open in Browser" (Alt + B)
I tried the following code and it worked for me.
<button class="btn btn-default center-block" type="submit">Button</button>
The button control is in a div and using center-block class of bootstrap helped me to align the button to the center of div
Check the link where you will find the center-block class
Other answers create a new copy of the array, if you want to modify the array in place you can use:
arr.splice(_.findIndex(arr, { id: 3 }), 1);
But that assumes that the element will always be found inside the array (because if is not found it will still remove the last element). To be safe you can use:
var index = _.findIndex(arr, { id: 3 });
if (index > -1) {
arr.splice(index, 1);
}
Swift 5
let vc = self.storyboard!.instantiateViewController(withIdentifier: "CVIdentifier")
self.present(vc, animated: true, completion: nil)
Debug.Print
outputs to the "Immediate" window.
Also, you can simply type ?
and then a statement directly into the immediate window (and then press Enter) and have the output appear right below, like this:
This can be very handy to quickly output the property of an object...
? myWidget.name
...to set the property of an object...
myWidget.name = "thingy"
...or to even execute a function or line of code, while in debugging mode:
Sheet1.MyFunction()
Here is representation of screen eclipse to make hierarachical.
If you prefer a non-visual mode method and acknowledge the line numbers, I would like to suggest you an another straightforward way.
Example
I want to delete text from line 45 to line 101.
My method suggests you to type a below command in command-mode:
45Gd101G
It reads:
Go to line 45 (
45G
) then delete text (d
) from the current line to the line 101 (101G
).
Note that on vim
you might use gg
in stead of G
.
Compare to the @Bonnie Varghese's answer which is:
:45,101d[enter]
The command above from his answer requires 9 times typing including enter, where my answer require 8 - 10 times typing. Thus, a speed of my method is comparable.
Personally, I myself prefer 45Gd101G
over :45,101d
because I like to stick to the syntax of the vi's command, in this case is:
+---------+----------+--------------------+
| syntax | <motion> | <operator><motion> |
+---------+----------+--------------------+
| command | 45G | d101G |
+---------+----------+--------------------+
For more complex tasks there is expect
( http://en.wikipedia.org/wiki/Expect ).
It basically simulates a user, you can code a script how to react to specific program outputs and related stuff.
This also works in cases like ssh
that prohibits piping passwords to it.
Use the styles
left: 0px;
or/and
right: 0px;
or/and
top: 0px;
or/and
bottom: 0px;
I think for most cases that will do the job
$arr1 = array(
"0" => array("fid" => 1, "tid" => 1, "name" => "Melon"),
"1" => array("fid" => 1, "tid" => 4, "name" => "Tansuozhe"),
"2" => array("fid" => 1, "tid" => 6, "name" => "Chao"),
"3" => array("fid" => 1, "tid" => 7, "name" => "Xi"),
"4" => array("fid" => 2, "tid" => 9, "name" => "Xigua")
);
if you want to convert this array as following:
$arr2 = array(
"0" => array(
"0" => array("fid" => 1, "tid" => 1, "name" => "Melon"),
"1" => array("fid" => 1, "tid" => 4, "name" => "Tansuozhe"),
"2" => array("fid" => 1, "tid" => 6, "name" => "Chao"),
"3" => array("fid" => 1, "tid" => 7, "name" => "Xi")
),
"1" => array(
"0" =>array("fid" => 2, "tid" => 9, "name" => "Xigua")
)
);
so, my answer will be like this:
$outer_array = array();
$unique_array = array();
foreach($arr1 as $key => $value)
{
$inner_array = array();
$fid_value = $value['fid'];
if(!in_array($value['fid'], $unique_array))
{
array_push($unique_array, $fid_value);
unset($value['fid']);
array_push($inner_array, $value);
$outer_array[$fid_value] = $inner_array;
}else{
unset($value['fid']);
array_push($outer_array[$fid_value], $value);
}
}
var_dump(array_values($outer_array));
hope this answer will help somebody sometime.
There's a bit more to it than just local vs global. Global variables created with var
are different than those created without. Consider this:
var foo = 1; // declared properly
bar = 2; // implied global
window.baz = 3; // global via window object
Based on the answers so far, these global variables, foo
, bar
, and baz
are all equivalent. This is not the case. Global variables made with var
are (correctly) assigned the internal [[DontDelete]]
property, such that they cannot be deleted.
delete foo; // false
delete bar; // true
delete baz; // true
foo; // 1
bar; // ReferenceError
baz; // ReferenceError
This is why you should always use var
, even for global variables.
If your got timeout, Check Gradle Scripts -> gradle.properties
in Android Studio, I found that I do have set a socket
proxy in Android Studio settings, but in this gradle.properties
file, my proxy became to http
, so I just removed this http proxy setting
lines, and finally works.
I would go with something like this JSFiddle:
HTML:
<a class="green" href="#">green text</a>
<a class="yellow" href="#">yellow text</a>
CSS:
body { background: #ccc }
/* Green */
a.green,
a.green:hover { color: green; }
/* Yellow */
a.yellow,
a.yellow:hover { color: yellow; }
If you are using express
you can use the cors package to allow CORS like so instead of writing your middleware;
var express = require('express')
, cors = require('cors')
, app = express();
app.use(cors());
app.get(function(req,res){
res.send('hello');
});
It's probably best to use the Python Image Library to do this which I'm afraid is a separate download.
The easiest way to do what you want is via the load() method on the Image object which returns a pixel access object which you can manipulate like an array:
from PIL import Image
im = Image.open('dead_parrot.jpg') # Can be many different formats.
pix = im.load()
print im.size # Get the width and hight of the image for iterating over
print pix[x,y] # Get the RGBA Value of the a pixel of an image
pix[x,y] = value # Set the RGBA Value of the image (tuple)
im.save('alive_parrot.png') # Save the modified pixels as .png
Alternatively, look at ImageDraw which gives a much richer API for creating images.
If You want to REMOVE page break from document
use Edit / Find-Replace
\f
with regex
If You want to TURN OFF (as You asked)
uncheck "Print Layout" from the "View" menu, but dotted lines will remain indicating page breaks
Here's stored procedure, which will generate the table based on data from one table and column and data from other table and column.
The function 'sum(if(col = value, 1,0)) as value ' is used. You can choose from different functions like MAX(if()) etc.
delimiter //
create procedure myPivot(
in tableA varchar(255),
in columnA varchar(255),
in tableB varchar(255),
in columnB varchar(255)
)
begin
set @sql = NULL;
set @sql = CONCAT('select group_concat(distinct concat(
\'SUM(IF(',
columnA,
' = \'\'\',',
columnA,
',\'\'\', 1, 0)) AS \'\'\',',
columnA,
',\'\'\'\') separator \', \') from ',
tableA, ' into @sql');
-- select @sql;
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
-- select @sql;
SET @sql = CONCAT('SELECT p.',
columnB,
', ',
@sql,
' FROM ', tableB, ' p GROUP BY p.',
columnB,'');
-- select @sql;
/* */
PREPARE stmt FROM @sql;
EXECUTE stmt;
/* */
DEALLOCATE PREPARE stmt;
end//
delimiter ;
I had to specify individual commands first and then use the *
to bring all in command.
from tkinter import filedialog
from tkinter import *
Explicitly specifying the max_iter
resolves the warning as the default max_iter
is 100. [For Logistic Regression].
logreg = LogisticRegression(max_iter=1000)
You want the (standard) POSIXt
type from base R that can be had in 'compact form' as a POSIXct
(which is essentially a double representing fractional seconds since the epoch) or as long form in POSIXlt
(which contains sub-elements). The cool thing is that arithmetic etc are defined on this -- see help(DateTimeClasses)
Quick example:
R> now <- Sys.time()
R> now
[1] "2009-12-25 18:39:11 CST"
R> as.numeric(now)
[1] 1.262e+09
R> now + 10 # adds 10 seconds
[1] "2009-12-25 18:39:21 CST"
R> as.POSIXlt(now)
[1] "2009-12-25 18:39:11 CST"
R> str(as.POSIXlt(now))
POSIXlt[1:9], format: "2009-12-25 18:39:11"
R> unclass(as.POSIXlt(now))
$sec
[1] 11.79
$min
[1] 39
$hour
[1] 18
$mday
[1] 25
$mon
[1] 11
$year
[1] 109
$wday
[1] 5
$yday
[1] 358
$isdst
[1] 0
attr(,"tzone")
[1] "America/Chicago" "CST" "CDT"
R>
As for reading them in, see help(strptime)
As for difference, easy too:
R> Jan1 <- strptime("2009-01-01 00:00:00", "%Y-%m-%d %H:%M:%S")
R> difftime(now, Jan1, unit="week")
Time difference of 51.25 weeks
R>
Lastly, the zoo package is an extremely versatile and well-documented container for matrix with associated date/time indices.
as explained here
With help from numpy one can calculate for example a linear fitting.
# plot the data itself
pylab.plot(x,y,'o')
# calc the trendline
z = numpy.polyfit(x, y, 1)
p = numpy.poly1d(z)
pylab.plot(x,p(x),"r--")
# the line equation:
print "y=%.6fx+(%.6f)"%(z[0],z[1])
/^0|[1-9]\d*$/
Another fairly simple way to go about this is to make a method like this:
def _write_frame_to_new_sheet(path_to_file=None, sheet_name='sheet', data_frame=None):
book = None
try:
book = load_workbook(path_to_file)
except Exception:
logging.debug('Creating new workbook at %s', path_to_file)
with pd.ExcelWriter(path_to_file, engine='openpyxl') as writer:
if book is not None:
writer.book = book
data_frame.to_excel(writer, sheet_name, index=False)
The idea here is to load the workbook at path_to_file if it exists and then append the data_frame as a new sheet with sheet_name. If the workbook does not exist, it is created. It seems that neither openpyxl or xlsxwriter append, so as in the example by @Stefano above, you really have to load and then rewrite to append.
I know this is an old post, but I wanted to add something I learned for the next folks who land here while googling.
In Powershell 5.1, you want to use continue
to move onto the next item in your loop. I tested with 6 items in an array, had a foreach
loop through, but put an if statement with:
foreach($i in $array){
write-host -fore green "hello $i"
if($i -like "something"){
write-host -fore red "$i is bad"
continue
write-host -fore red "should not see this"
}
}
Of the 6 items, the 3rd one was something. As expected, it looped through the first 2, then the matching something gave me the red line where $i
matched, I saw something is bad
and then it went on to the next item in the array without saying should not see this
. I tested with return
and it exited the loop altogether.
public class ConsecutiveNumberPrint {
private static class NumberGenerator {
public int MAX = 100;
private volatile boolean evenNumberPrinted = true;
public NumberGenerator(int max) {
this.MAX = max;
}
public void printEvenNumber(int i) throws InterruptedException {
synchronized (this) {
if (evenNumberPrinted) {
wait();
}
System.out.println("e = \t" + i);
evenNumberPrinted = !evenNumberPrinted;
notify();
}
}
public void printOddNumber(int i) throws InterruptedException {
synchronized (this) {
if (!evenNumberPrinted) {
wait();
}
System.out.println("o = \t" + i);
evenNumberPrinted = !evenNumberPrinted;
notify();
}
}
}
private static class EvenNumberGenerator implements Runnable {
private NumberGenerator numberGenerator;
public EvenNumberGenerator(NumberGenerator numberGenerator) {
this.numberGenerator = numberGenerator;
}
@Override
public void run() {
for(int i = 2; i <= numberGenerator.MAX; i+=2)
try {
numberGenerator.printEvenNumber(i);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
private static class OddNumberGenerator implements Runnable {
private NumberGenerator numberGenerator;
public OddNumberGenerator(NumberGenerator numberGenerator) {
this.numberGenerator = numberGenerator;
}
@Override
public void run() {
for(int i = 1; i <= numberGenerator.MAX; i+=2) {
try {
numberGenerator.printOddNumber(i);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
public static void main(String[] args) {
NumberGenerator numberGenerator = new NumberGenerator(100);
EvenNumberGenerator evenNumberGenerator = new EvenNumberGenerator(numberGenerator);
OddNumberGenerator oddNumberGenerator = new OddNumberGenerator(numberGenerator);
new Thread(oddNumberGenerator).start();
new Thread(evenNumberGenerator).start();
}
}
RogerB over at CodeProject has one of the slickest solutions to this answer, and he did that back in '04, and it's still bangin'
Basically, you go here to his project and download the CS file. In case that link ever dies, I've got a backup gist here. Add the CS file to your project, or copy/paste the code somewhere if you'd rather do that.
Then, all you'd have to do is switch
DialogResult result = MessageBox.Show("Text","Title", MessageBoxButtons.CHOICE)
to
DialogResult result = MessageBoxEx.Show("Text","Title", MessageBoxButtons.CHOICE, timer_ms)
And you're good to go.
You can always refresh the user's access token every time the user logs into your site through facebook. The offline access can't guarantee you get a life-long time access token, the access token changes whenever the user revoke you application access or the user changes his/her password.
Quoted from facebook http://developers.facebook.com/docs/authentication/
Note: If the application has not requested offline_access permission, the access token is time-bounded. Time-bounded access token also get invalidated when the user logs out of Facebook. If the application has obtained offline_access permission from the user, the access token does not have an expiry. However it gets invalidated whenever the user changes his/her password.
Assume you store the user's facebook uid and access token in a users table in your database,every time the user clicks on the "Login with facebook" button, you check the login statususing facebook Javascript API, and then examine the connection status from the response,if the user has connected to your site, you can then update the access token in the table.
I was getting this error in websphere 8.5:
java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=com/xxx/Whatever, offset=6
I had my project JDK level set at 1.7 in eclipse and was8 by default runs on JDK 1.6 so there was a clash. I had to install the optional SDK 1.7 to my websphere server and then the problem went away. I guess I could have also set my project level down to 1.6 in eclipse but I wanted to code to 1.7.
Don't forget to include <typeinfo>
I believe what you are referring to is runtime type identification. You can achieve the above by doing .
#include <iostream>
#include <typeinfo>
using namespace std;
int main() {
int i;
cout << typeid(i).name();
return 0;
}
As it has more pixels in height, things like GCRectMake that use coordinates won't work seamlessly between versions, as it happened when we got the Retina.
Well, they do work the same with Retina displays - it's just that 1 unit in the CoreGraphics coordinate system will correspond to 2 physical pixels, but you don't/didn't have to do anything, the logic stayed the same. (Have you actually tried to run one of your non-retina apps on a retina iPhone, ever?)
For the actual question: that's why you shouldn't use explicit CGRectMakes and co... That's why you have stuff like [[UIScreen mainScreen] applicationFrame]
.
As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you.
And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for copying files; NIO can significantly increase file-copying performance, in a large part because the NIO routines defer copying directly to the OS/filesystem rather than handle it by reading and writing bytes through the Java layer. So if you're looking for performance, it might be worth checking that you are using a recent version of FileUtils.
git config --list
is one way to go. I usually just open up .gitconfig
though.
Are you sure the curl module honors ini_set('user_agent',...)? There is an option CURLOPT_USERAGENT described at http://docs.php.net/function.curl-setopt.
Could there also be a cookie tested by the server? That you can handle by using CURLOPT_COOKIE, CURLOPT_COOKIEFILE and/or CURLOPT_COOKIEJAR.
edit: Since the request uses https there might also be error in verifying the certificate, see CURLOPT_SSL_VERIFYPEER.
$url="https://new.aol.com/productsweb/subflows/ScreenNameFlow/AjaxSNAction.do?s=username&f=firstname&l=lastname";
$agent= 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)';
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_VERBOSE, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, $agent);
curl_setopt($ch, CURLOPT_URL,$url);
$result=curl_exec($ch);
var_dump($result);
let trimString = function (string, length) {
return string.length > length ?
string.substring(0, length) + '...' :
string;
};
Use Case,
let string = 'How to trim a string to N chars in Javascript';
trimString(string, 20);
//How to trim a string...
You have to validate the connection.
If you use Oracle it is likely that you use Oracle´s Universal Connection Pool. The following assumes that you do so.
The easiest way to validate the connection is to tell Oracle that the connection must be validated while borrowing it. This can be done with
pool.setValidateConnectionOnBorrow(true);
But it works only if you hold the connection for a short period. If you borrow the connection for a longer time, it is likely that the connection gets broken while you hold it. In that case you have to validate the connection explicitly with
if (connection == null || !((ValidConnection) connection).isValid())
See the Oracle documentation for further details.
I had this problem yesterday. Before in the my solution, chek this settings.
git config --global user.email "[email protected]"
git config --global user.name "your_name"
Where "user" is the user of the laptop.
Example: dias@dias-hp-pavilion$ git config --global dias.email ...
So, confirm the informations add, doing:
dias@dias-hp-pavilion:/home/dias$ git config --global dias.email
[email protected]
dias@dias-hp-pavilion:/home/dias$ git config --global dias.name
my_name
or
nano /home/user_name/.gitconfig
and check this informations.
Doing it and the error persists, try another Git IDE (GUI Clients). I used git-cola and this error appeared, so I changed of IDE, and currently I use the CollabNet GitEye. Try you also!
I hope have helped!
After a long research I build this reg expression. I hope it will help others too.......
url = 'https://google.co.in';
var re = /[a-z0-9-\.]+\.[a-z]{2,4}\/?([^\s<>\#%"\,\{\}\\|\\\^\[\]`]+)?$/;
if (!re.test(url)) {
alert("url error");
return false;
}else{
alert('success')
}
I had a similar problem - essentially I was getting a NPE in an async task after the user had destroyed the fragment. After researching the problem on Stack Overflow, I adopted the following solution:
volatile boolean running;
public void onActivityCreated (Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
running=true;
...
}
public void onDestroy() {
super.onDestroy();
running=false;
...
}
Then, I check "if running" periodically in my async code. I have stress tested this and I am now unable to "break" my activity. This works perfectly and has the advantage of being simpler than some of the solutions I have seen on SO.
Using Dict Comprehensions
final_dict = {key: t[key] for key in t if key not in [key1, key2]}
where key1 and key2 are to be removed.
In the example below, keys "b" and "c" are to be removed & it's kept in a keys list.
>>> a
{'a': 1, 'c': 3, 'b': 2, 'd': 4}
>>> keys = ["b", "c"]
>>> print {key: a[key] for key in a if key not in keys}
{'a': 1, 'd': 4}
>>>
Using only standard API, pass the string to a URL
object then convert it to a URI
object. This will accurately determine the validity of the URL according to the RFC2396 standard.
Example:
public boolean isValidURL(String url) {
try {
new URL(url).toURI();
} catch (MalformedURLException | URISyntaxException e) {
return false;
}
return true;
}
You can use jQuery to achieve this using simple $.get
method. .html
work like innerHtml and replace the content of your div.
$.get("/YourUrl", {},
function (returnedHtml) {
$("#here").html(returnedHtml);
});
And call this using javascript setInterval
method.
SQLFiddle will let you test out your queries, while it doesn't explicitly correct syntax etc. per se it does let you play around with the script and will definitely let you know if things are working or not.
If a method (instance or static) only references variables scoped within that method then it is thread safe because each thread has its own stack:
In this instance, multiple threads could call ThreadSafeMethod
concurrently without issue.
public class Thing
{
public int ThreadSafeMethod(string parameter1)
{
int number; // each thread will have its own variable for number.
number = parameter1.Length;
return number;
}
}
This is also true if the method calls other class method which only reference locally scoped variables:
public class Thing
{
public int ThreadSafeMethod(string parameter1)
{
int number;
number = this.GetLength(parameter1);
return number;
}
private int GetLength(string value)
{
int length = value.Length;
return length;
}
}
If a method accesses any (object state) properties or fields (instance or static) then you need to use locks to ensure that the values are not modified by a different thread.
public class Thing
{
private string someValue; // all threads will read and write to this same field value
public int NonThreadSafeMethod(string parameter1)
{
this.someValue = parameter1;
int number;
// Since access to someValue is not synchronised by the class, a separate thread
// could have changed its value between this thread setting its value at the start
// of the method and this line reading its value.
number = this.someValue.Length;
return number;
}
}
You should be aware that any parameters passed in to the method which are not either a struct or immutable could be mutated by another thread outside the scope of the method.
To ensure proper concurrency you need to use locking.
for further information see lock statement C# reference and ReadWriterLockSlim.
lock is mostly useful for providing one at a time functionality,
ReadWriterLockSlim
is useful if you need multiple readers and single writers.
Modificaton to dustyburwell's answer. (I don't have enough rep to edit it myself.) Like his answer, it works with "Visual Styles" enabled. You can just set the progressbar's ForeColor property in whatever form's design view.
using System;
using System.Windows.Forms;
using System.Drawing;
public class ProgressBarEx : ProgressBar
{
private SolidBrush brush = null;
public ProgressBarEx()
{
this.SetStyle(ControlStyles.UserPaint, true);
}
protected override void OnPaint(PaintEventArgs e)
{
if (brush == null || brush.Color != this.ForeColor)
brush = new SolidBrush(this.ForeColor);
Rectangle rec = new Rectangle(0, 0, this.Width, this.Height);
if (ProgressBarRenderer.IsSupported)
ProgressBarRenderer.DrawHorizontalBar(e.Graphics, rec);
rec.Width = (int)(rec.Width * ((double)Value / Maximum)) - 4;
rec.Height = rec.Height - 4;
e.Graphics.FillRectangle(brush, 2, 2, rec.Width, rec.Height);
}
}
I see in the documentation page an example like this:
<source src="foo.ogg" type="video/ogg; codecs="dirac, speex"">
Maybe you should enclose the codec
information with "
entities instead of actual quotes and the type
attribute with quotes instead of apostrophes.
You can also try removing the codec info altogether.