The brackets can be used when column names are reserved words.
If you are programatically generating the SQL statement from a collection of column names you don't control, then you can avoid problems by always using the brackets.
You can do something simple like: Left(path, InStrRev(path, "\"))
Example:
Function GetDirectory(path)
GetDirectory = Left(path, InStrRev(path, Application.PathSeparator))
End Function
This is a global solution, not dependent on particular package or bin.
In my case, I removed Packages folder from my root directory.
Maybe it happens because of your packages are there but compiler is not finding it's reference. so remove older packages first and add new packages.
Steps to Add new packages
This is not proper solution, but I posted it here because I face same issue.
In my case, I wasn't even able to open my solution in visual studio and didn't get any help with other SO answers.
In my case there was no DEFINER
or root@localhost
mentioned in my SQL file. Actually I was trying to import and run SQL file into SQLYog from Database
->Import
->Execute SQL Script
menu. That was giving error.
Then I copied all the script from SQL file and ran in SQLYog query editor. That worked perfectly fine.
The time problem has to do with the ID3 headers of the MP3 files, which is something your method isn't taking into account as the entire file is copied.
Do you have a language of choice that you want to use or doesn't it matter? That will affect what libraries are available that support the operations you want.
Modern, clean and shortest
fetch('https://www.randomtext.me/api/lorem')
let url = 'https://www.randomtext.me/api/lorem';
// to only send GET request without waiting for response just call
fetch(url);
// to wait for results use 'then'
fetch(url).then(r=> r.json().then(j=> console.log('\nREQUEST 2',j)));
// or async/await
(async()=>
console.log('\nREQUEST 3', await(await fetch(url)).json())
)();
_x000D_
Open Chrome console network tab to see request
_x000D_
Here's another pattern that may be useful to you. It's for a Get but the same principle and code applies for a Post/Put but in reverse. It essentially works on the principle of converting objects down to this ObjectWrapper class which persists the Type's name to the other side:
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
namespace WebAPI
{
public class ObjectWrapper
{
#region Public Properties
public string RecordJson { get; set; }
public string TypeFullName { get; set; }
#endregion
#region Constructors
public ObjectWrapper() : this(null, null)
{
}
public ObjectWrapper(object objectForWrapping) : this(objectForWrapping, null)
{
}
public ObjectWrapper(object objectForWrapping, string typeFullName)
{
if (typeFullName == null && objectForWrapping != null)
{
TypeFullName = objectForWrapping.GetType().FullName;
}
else
{
TypeFullName = typeFullName;
}
RecordJson = JsonConvert.SerializeObject(objectForWrapping);
}
#endregion
#region Public Methods
public object ToObject()
{
var type = Type.GetType(TypeFullName);
return JsonConvert.DeserializeObject(RecordJson, type);
}
#endregion
#region Public Static Methods
public static List<ObjectWrapper> WrapObjects(List<object> records)
{
var retVal = new List<ObjectWrapper>();
records.ForEach
(item =>
{
retVal.Add
(
new ObjectWrapper(item)
);
}
);
return retVal;
}
public static List<object> UnwrapObjects(IEnumerable<ObjectWrapper> objectWrappers)
{
var retVal = new List<object>();
foreach(var item in objectWrappers)
{
retVal.Add
(
item.ToObject()
);
}
return retVal;
}
#endregion
}
}
In the REST code:
[HttpGet]
public IEnumerable<ObjectWrapper> Get()
{
var records = new List<object>();
records.Add(new TestRecord1());
records.Add(new TestRecord2());
var wrappedObjects = ObjectWrapper.WrapObjects(records);
return wrappedObjects;
}
This is the code on the client side (UWP) using a REST client library. The client library just uses the Newtonsoft Json serialization library - nothing fancy.
private static async Task<List<object>> Getobjects()
{
var result = await REST.Get<List<ObjectWrapper>>("http://localhost:50623/api/values");
var wrappedObjects = (IEnumerable<ObjectWrapper>) result.Data;
var unwrappedObjects = ObjectWrapper.UnwrapObjects(wrappedObjects);
return unwrappedObjects;
}
import os
os.system('python filename.py')
note: put the file in the same directory of your main python file.
Fluent facade API:
Response response = Request.Get(uri)
.connectTimeout(MILLIS_ONE_SECOND)
.socketTimeout(MILLIS_ONE_SECOND)
.execute();
HttpResponse httpResponse = response.returnResponse();
StatusLine statusLine = httpResponse.getStatusLine();
if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
// ??????????(???????)
String responseContent = EntityUtils.toString(
httpResponse.getEntity(), StandardCharsets.UTF_8.name());
}
I would like to recommend a single header C++ 11 YAML parser mini-yaml.
A quick-start example taken from the above repository.
file.txt
key: foo bar
list:
- hello world
- integer: 123
boolean: true
.cpp
Yaml::Node root;
Yaml::Parse(root, "file.txt");
// Print all scalars.
std::cout << root["key"].As<std::string>() << std::endl;
std::cout << root["list"][0].As<std::string>() << std::endl;
std::cout << root["list"][1]["integer"].As<int>() << std::endl;
std::cout << root["list"][1]["boolean"].As<bool>() << std::endl;
// Iterate second sequence item.
Node & item = root[1];
for(auto it = item.Begin(); it != item.End(); it++)
{
std::cout << (*it).first << ": " << (*it).second.As<string>() << std::endl;
}
Output
foo bar
hello world
123
1
integer: 123
boolean: true
In Linux, Open the VIM configuration file
$ sudo -H gedit /etc/vim/vimrc
Added following lines:
set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936
set termencoding=utf-8
set encoding=utf-8
Save and exit, and terminal command:
$ source /etc/vim/vimrc
At this time VIM will correctly display Chinese.
A normal broadcast Intent is not available anymore after is was send and processed by the system. If you use the sendStickyBroadcast(Intent) method, the Intent is sticky, meaning the Intent you are sending stays around after the broadcast is complete.
you refer to my blog:enter link description here
Putting this code at the end of your body
tag will focus the first visible, non-hidden enabled element on the screen automatically. It will handle most cases I can come up with on short notice.
<script>
(function(){
var forms = document.forms || [];
for(var i = 0; i < forms.length; i++){
for(var j = 0; j < forms[i].length; j++){
if(!forms[i][j].readonly != undefined && forms[i][j].type != "hidden" && forms[i][j].disabled != true && forms[i][j].style.display != 'none'){
forms[i][j].focus();
return;
}
}
}
})();
</script>
Alternate way.
If you don't want to add the PATH as the previous well written answers pointed out,
but you want to execute pip as your command then you can do that with py -m
as prefix.
Given that you have to do it again and again.
eg.
py -m <command>
as in
py -m pip install --upgrade pip setuptools
Also make sure to have pip
and py
installed
This question is very similar to:
Here is how I solved this problem, and dealt with the user hitting the X as well as Ctrl-C. Notice the use of ManualResetEvents. These will cause the main thread to sleep which frees the CPU to process other threads while waiting for either exit, or cleanup. NOTE: It is necessary to set the TerminationCompletedEvent at the end of main. Failure to do so causes unnecessary latency in termination due to the OS timing out while killing the application.
namespace CancelSample
{
using System;
using System.Threading;
using System.Runtime.InteropServices;
internal class Program
{
/// <summary>
/// Adds or removes an application-defined HandlerRoutine function from the list of handler functions for the calling process
/// </summary>
/// <param name="handler">A pointer to the application-defined HandlerRoutine function to be added or removed. This parameter can be NULL.</param>
/// <param name="add">If this parameter is TRUE, the handler is added; if it is FALSE, the handler is removed.</param>
/// <returns>If the function succeeds, the return value is true.</returns>
[DllImport("Kernel32")]
private static extern bool SetConsoleCtrlHandler(ConsoleCloseHandler handler, bool add);
/// <summary>
/// The console close handler delegate.
/// </summary>
/// <param name="closeReason">
/// The close reason.
/// </param>
/// <returns>
/// True if cleanup is complete, false to run other registered close handlers.
/// </returns>
private delegate bool ConsoleCloseHandler(int closeReason);
/// <summary>
/// Event set when the process is terminated.
/// </summary>
private static readonly ManualResetEvent TerminationRequestedEvent;
/// <summary>
/// Event set when the process terminates.
/// </summary>
private static readonly ManualResetEvent TerminationCompletedEvent;
/// <summary>
/// Static constructor
/// </summary>
static Program()
{
// Do this initialization here to avoid polluting Main() with it
// also this is a great place to initialize multiple static
// variables.
TerminationRequestedEvent = new ManualResetEvent(false);
TerminationCompletedEvent = new ManualResetEvent(false);
SetConsoleCtrlHandler(OnConsoleCloseEvent, true);
}
/// <summary>
/// The main console entry point.
/// </summary>
/// <param name="args">The commandline arguments.</param>
private static void Main(string[] args)
{
// Wait for the termination event
while (!TerminationRequestedEvent.WaitOne(0))
{
// Something to do while waiting
Console.WriteLine("Work");
}
// Sleep until termination
TerminationRequestedEvent.WaitOne();
// Print a message which represents the operation
Console.WriteLine("Cleanup");
// Set this to terminate immediately (if not set, the OS will
// eventually kill the process)
TerminationCompletedEvent.Set();
}
/// <summary>
/// Method called when the user presses Ctrl-C
/// </summary>
/// <param name="reason">The close reason</param>
private static bool OnConsoleCloseEvent(int reason)
{
// Signal termination
TerminationRequestedEvent.Set();
// Wait for cleanup
TerminationCompletedEvent.WaitOne();
// Don't run other handlers, just exit.
return true;
}
}
}
Each row has an ID. All you have to do is to send this ID to the function setSelected()
, store it (in $scope.idSelectedVote
for instance), and then check for each row if the selected ID is the same as the current one. Here is a solution (see the documentation for ngClass
, if needed):
$scope.idSelectedVote = null;
$scope.setSelected = function (idSelectedVote) {
$scope.idSelectedVote = idSelectedVote;
};
<ul ng-repeat="vote in votes" ng-click="setSelected(vote.id)" ng-class="{selected: vote.id === idSelectedVote}">
...
</ul>
Component code:
import { Component } from "@angular/core";
@Component({
templateUrl:"home.html"
})
export class HomePage {
public items: Array<string>;
constructor() {
this.items = ["item1", "item2", "item3"]
}
public open(event, item) {
alert('Open ' + item);
}
}
View:
<ion-header>
<ion-navbar primary>
<ion-title>
<span>My App</span>
</ion-title>
</ion-navbar>
</ion-header>
<ion-content>
<ion-list>
<ion-item *ngFor="let item of items" (click)="open($event, item)">
{{ item }}
</ion-item>
</ion-list>
</ion-content>
As you can see in the code, I'm declaring the click handler like this (click)="open($event, item)"
and sending both the event and the item (declared in the *ngFor
) to the open()
method (declared in the component code).
If you just want to show the item and you don't need to get info from the event, you can just do (click)="open(item)"
and modify the open
method like this public open(item) { ... }
export NODE_ENV=production
is bad solution, it disappears after restart.
if you want not to worry about that variable anymore - add it to this file:
/etc/environment
don't use export syntax, just write (in new line if some content is already there):
NODE_ENV=production
it works after restart. You will not have to re-enter export NODE_ENV=production command anymore anywhere and just use node with anything you'd like - forever, pm2...
For heroku:
heroku config:set NODE_ENV="production"
which is actually default.
Take a look at this site, it explains two methods for reading from console in java, using Scanner
or the classical InputStreamReader
from System.in.
Following code is taken from cited website:
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class ReadConsoleSystem {
public static void main(String[] args) {
System.out.println("Enter something here : ");
try{
BufferedReader bufferRead = new BufferedReader(new InputStreamReader(System.in));
String s = bufferRead.readLine();
System.out.println(s);
}
catch(IOException e)
{
e.printStackTrace();
}
}
}
--
import java.util.Scanner;
public class ReadConsoleScanner {
public static void main(String[] args) {
System.out.println("Enter something here : ");
String sWhatever;
Scanner scanIn = new Scanner(System.in);
sWhatever = scanIn.nextLine();
scanIn.close();
System.out.println(sWhatever);
}
}
Regards.
Make it serializable
// example error
let err = new Error('I errored')
// one liner converting Error into regular object that can be stringified
err = Object.getOwnPropertyNames(err).reduce((acc, key) => { acc[key] = err[key]; return acc; }, {})
If you want to send this object from child process, worker or though the network there's no need to stringify. It will be automatically stringified and parsed like any other normal object
On windows 10 run cmd.exe with admin rights then type :
1) cd \Python27\scripts
2) pip install requests
It should work. My case was with python 2.7
Also, would I be right in concluding that a list comprehension is the most efficient way to do this?
Maybe. List comprehensions are not inherently computationally efficient. It is still running in linear time.
From my personal experience: I have significantly reduced computation time when dealing with large data sets by replacing list comprehensions (specifically nested ones) with for-loop/list-appending type structures you have above. In this application I doubt you will notice a difference.
An even better solution consists of using button tags to submit the form:
<form>
...
<button type="submit" name="action" value="update">Update</button>
<button type="submit" name="action" value="delete">Delete</button>
</form>
The HTML inside the button (e.g. ..>Update<..
is what is seen by the user; because there is HTML provided, the value
is not user-visible; it is only sent to server. This way there is no inconvenience with internationalization and multiple display languages (in the former solution, the label of the button is also the value sent to the server).
In Active Directory environment, it's important to know:
All member machines synchronizes with any domain controller.
In a domain, all domain controllers synchronize from the PDC Emulator (PDCe) of that domain.
The PDC Emulator of a domain should synchronize with local or NTP.
It's important to consider this when setting the time in vmware or configuring the time sync.
Extracted from: http://www.sysadmit.com/2016/12/vmware-esxi-configurar-hora.html
Note also that if you have wordpress just scroll down to the bottom of the webpage when in edit mode, and select "featured image" (bottom right side of screen).
You can use a datetime
field and set it's default value to GetDate()
.
CREATE TABLE [dbo].[Test](
[TimeStamp] [datetime] NOT NULL CONSTRAINT [DF_Test_TimeStamp] DEFAULT (GetDate()),
[Foo] [varchar](50) NOT NULL
) ON [PRIMARY]
Here's the complete answer using jQuery
I test it and it works 100% :D
// when the button (select_unit_button) is clicked it returns all the checed checkboxes values
$("#select_unit_button").on("click", function(e){
var arr = [];
$(':checkbox:checked').each(function(i){
arr[i] = $(this).val(); // u can get id or anything else
});
//console.log(arr); // u can test it using this in google chrome
});
you can give it a max-height and max-width in your .css
.fontpixel{max-width:200px; max-height:200px;}
in addition to your height and width properties
If you are using the Spring Framework, the most straightforward way to do this is:
private Integer laancNotifyPort = SocketUtils.findAvailableTcpPort();
You can also set an acceptable range, and it will search in this range:
private Integer laancNotifyPort = SocketUtils.findAvailableTcpPort(9090, 10090);
This is a convenience method that abstracts away the complexity but internally is similar to a lot of the other answers on this thread.
I agree with @GregoryKlopper that the right way to solve the general problem of finding Waldo (or any object of interest) in an arbitrary image would be to train a supervised machine learning classifier. Using many positive and negative labeled examples, an algorithm such as Support Vector Machine, Boosted Decision Stump or Boltzmann Machine could likely be trained to achieve high accuracy on this problem. Mathematica even includes these algorithms in its Machine Learning Framework.
The two challenges with training a Waldo classifier would be:
A quick Google image search turns up some good data -- I'm going to have a go at collecting some training examples and coding this up right now!
However, even a machine learning approach (or the rule-based approach suggested by @iND) will struggle for an image like the Land of Waldos!
lookup only works on localhost. If you want to retrieve variables from a variables file you made remotely use include_vars: {{ varfile }}
. Contents of {{ varfile }}
should be a dictionary of the form {"key":"value"}
, you will find ansible gives you trouble if you include a space after the colon.
Try
os.path.getsize(filename)
It should return the size of a file, reported by os.stat().
More recent and much cleaner: use event.key
. No more arbitrary number codes!
note.addEventListener('keydown', function(event) {
const key = event.key; // const {key} = event; ES6+
if (key === "Backspace") {
// Do something
}
});
@gaurwraith, install poppler for Windows and use pdftoppm.exe as follows:
Download zip file with Poppler's latest binaries/dlls from http://blog.alivate.com.au/poppler-windows/ and unzip to a new folder in your program files folder. For example: "C:\Program Files (x86)\Poppler".
Add "C:\Program Files (x86)\Poppler\poppler-0.68.0\bin" to your SYSTEM PATH environment variable.
From cmd line install pdf2image module -> "pip install pdf2image".
@vishvAs vAsuki, this code should generate the jpgs you want through the subprocess module for all pages of one or more pdfs in a given folder:
import os, subprocess
pdf_dir = r"C:\yourPDFfolder"
os.chdir(pdf_dir)
pdftoppm_path = r"C:\Program Files (x86)\Poppler\poppler-0.68.0\bin\pdftoppm.exe"
for pdf_file in os.listdir(pdf_dir):
if pdf_file.endswith(".pdf"):
subprocess.Popen('"%s" -jpeg %s out' % (pdftoppm_path, pdf_file))
Or using the pdf2image module:
import os
from pdf2image import convert_from_path
pdf_dir = r"C:\yourPDFfolder"
os.chdir(pdf_dir)
for pdf_file in os.listdir(pdf_dir):
if pdf_file.endswith(".pdf"):
pages = convert_from_path(pdf_file, 300)
pdf_file = pdf_file[:-4]
for page in pages:
page.save("%s-page%d.jpg" % (pdf_file,pages.index(page)), "JPEG")
I am pretty sure that what you are looking for is called --find-links
option.
You can do
pip install mypackage --no-index --find-links file:///srv/pkg/mypackage
Here is a way to do it without adding an ID to the form elements.
<form method="post">
...
<select name="List">
<option value="1">Test1</option>
<option value="2">Test2</option>
</select>
<select name="List">
<option value="3">Test3</option>
<option value="4">Test4</option>
</select>
...
</form>
public ActionResult OrderProcessor()
{
string[] ids = Request.Form.GetValues("List");
}
Then ids will contain all the selected option values from the select lists. Also, you could go down the Model Binder route like so:
public class OrderModel
{
public string[] List { get; set; }
}
public ActionResult OrderProcessor(OrderModel model)
{
string[] ids = model.List;
}
Hope this helps.
private static void GCD(int a, int b) {
int temp;
// make a greater than b
if (b > a) {
temp = a;
a = b;
b = temp;
}
while (b !=0) {
// gcd of b and a%b
temp = a%b;
// always make a greater than bf
a =b;
b =temp;
}
System.out.println(a);
}
you can use html radio/checkbox input with labels and css to achieve the expanding effects you want.
A solution that nobody mentioned is use white-space: nowrap
for the table and add overflow-x
to the wrapper.
(http://jsfiddle.net/xc7jLuyx/11/)
CSS
.wrapper { overflow-x: auto; }
.wrapper table { white-space: nowrap }
HTML
<div class="wrapper">
<table></table>
</div>
This is an ideal scenario if you don't want rows with multiple lines.
To add break lines you need to use <br/>
.
I feel that one of the mentioned cons for "Handlebars" isnt' really valid anymore.
Handlebars.java now allows us to share the same template languages for both client and server which is a big win for large projects with 1000+ components that require serverside rendering for SEO
Take a look at https://github.com/jknack/handlebars.java
AngularJS has some methods called JQlite so we can use it. see link
Select the element in DOM is
angular.element( document.querySelector( '#div1' ) );
add the class like .addClass('alpha');
So finally
var myEl = angular.element( document.querySelector( '#div1' ) );
myEl.addClass('alpha');
A little late to the party, so mostly a reminder to me next time I do this search!
I have been able to use:
p/x *(&vec[2])@4
to print 4 elements (as hex) from vec
starting at vec[2]
.
One way
SELECT t1.*
FROM db.table t1
WHERE exists
(SELECT *
FROM db.table t2
where t1.pk != t2.pk
and t1.someField = t2.someField)
Surprisingly nobody have mentioned all powerful SUDO. Had the same problem and sudo fixed it
In you app config file change the url
to localhost/example/public
Then when you want to link to something
<a href="{{ url('page') }}">Some Text</a>
without blade
<a href="<?php echo url('page') ?>">Some Text</a>
Register would notify the compiler that the coder believed this variable would be written/read enough to justify its storage in one of the few registers available for variable use. Reading/writing from registers is usually faster and can require a smaller op-code set.
Nowadays, this isn't very useful, as most compilers' optimizers are better than you at determining whether a register should be used for that variable, and for how long.
Based in @TMS answer, I like it because there's no need for subqueries but I think ommiting the 'OR'
part will be sufficient and much simpler to understand and read.
SELECT t1.*
FROM lms_attendance AS t1
LEFT JOIN lms_attendance AS t2
ON t1.user = t2.user
AND t1.time < t2.time
WHERE t2.user IS NULL
if you are not interested in rows with null times you can filter them in the WHERE
clause:
SELECT t1.*
FROM lms_attendance AS t1
LEFT JOIN lms_attendance AS t2
ON t1.user = t2.user
AND t1.time < t2.time
WHERE t2.user IS NULL and t1.time IS NOT NULL
For Swift:
navigationController!.interactivePopGestureRecognizer!.enabled = false
If the mysql dump was a .gz file, you need to gunzip to uncompress the file by typing $ gunzip mysqldump.sql.gz
This will uncompress the .gz file and will just store mysqldump.sql in the same location.
Type the following command to import sql data file:
$ mysql -u username -p -h localhost test-database < mysqldump.sql password: _
You will have to write a wrapper for C in C++ if you want to do this. C++ is backwards compatible, but C is not forwards compatible.
Use the following block of query to update Table1 with Table2 based on ID:
UPDATE Table1, Table2
SET Table1.DataColumn= Table2.DataColumn
where Table1.ID= Table2.ID;
This is the easiest and fastest way to tackle this problem.
Here is the best solution if you want some extra flexibility and don't want to change your model field. Just add this custom validator:
#Imports
from django.core.exceptions import ValidationError
class validate_range_or_null(object):
compare = lambda self, a, b, c: a > c or a < b
clean = lambda self, x: x
message = ('Ensure this value is between %(limit_min)s and %(limit_max)s (it is %(show_value)s).')
code = 'limit_value'
def __init__(self, limit_min, limit_max):
self.limit_min = limit_min
self.limit_max = limit_max
def __call__(self, value):
cleaned = self.clean(value)
params = {'limit_min': self.limit_min, 'limit_max': self.limit_max, 'show_value': cleaned}
if value: # make it optional, remove it to make required, or make required on the model
if self.compare(cleaned, self.limit_min, self.limit_max):
raise ValidationError(self.message, code=self.code, params=params)
And it can be used as such:
class YourModel(models.Model):
....
no_dependents = models.PositiveSmallIntegerField("How many dependants?", blank=True, null=True, default=0, validators=[validate_range_or_null(1,100)])
The two parameters are max and min, and it allows nulls. You can customize the validator if you like by getting rid of the marked if statement or change your field to be blank=False, null=False in the model. That will of course require a migration.
Note: I had to add the validator because Django does not validate the range on PositiveSmallIntegerField, instead it creates a smallint (in postgres) for this field and you get a DB error if the numeric specified is out of range.
Hope this helps :) More on Validators in Django.
PS. I based my answer on BaseValidator in django.core.validators, but everything is different except for the code.
Math.trunc() function removes all the fractional digits.
For positive number it behaves exactly the same as Math.floor():
console.log(Math.trunc(89.13349)); // output is 89
For negative numbers it behaves same as Math.ceil():
console.log(Math.trunc(-89.13349)); //output is -89
With recent builds of mongodb community edition, this is straightforward.
When you install via brew, it tells you what exactly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.6.yosemite.bottle.tar.gz ### 100.0%
==> Pouring mongodb-3.0.6.yosemite.bottle.tar.gz
==> Caveats
To have launchd start mongodb at login:
ln -sfv /usr/local/opt/mongodb/*.plist ~/Library/LaunchAgents
Then to load mongodb now:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
Or, if you don't want/need launchctl, you can just run:
mongod --config /usr/local/etc/mongod.conf
==> Summary
/usr/local/Cellar/mongodb/3.0.6: 17 files, 159M
With the introduction of formatted string literals ("f-strings" for short) in Python 3.6, it is now possible to write this with a briefer syntax:
>>> name = "Fred"
>>> f"He said his name is {name}."
'He said his name is Fred.'
With the example given in the question, it would look like this
plot.savefig(f'hanning{num}.pdf')
Storm's answer is not correct. No hard feelings Storm, and apologies to the OP as I'm a bit late to the party here (wish I could have helped sooner, but I didn't run into the problem until today, or this stack overflow answer until I was figuring out a solution.)
The Visual C++ 2003 runtime was not available as a seperate download because it was included with the .NET 1.1 runtime.
If you install the .NET 1.1 runtime you will get msvcr71.dll installed, and in addition added to C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322.
The .NET 1.1 runtime is available here: http://www.microsoft.com/downloads/en/details.aspx?familyid=262d25e3-f589-4842-8157-034d1e7cf3a3&displaylang=en (23.1 MB)
If you are looking for a file that ends with a "P" such as msvcp71.dll, this indicates that your file was compiled against a C++ runtime (as opposed to a C runtime), in some situations I noticed these files were only installed when I installed the full SDK. If you need one of these files, you may need to install the full .NET 1.1 SDK as well, which is available here: http://www.microsoft.com/downloads/en/details.aspx?FamilyID=9b3a2ca6-3647-4070-9f41-a333c6b9181d (106.2 MB)
After installing the SDK I now have both msvcr71.dll and msvcp71.dll in my System32 folder, and the application I'm trying to run (boomerang c++ decompiler) works fine without any missing DLL errors.
Also on a side note: be VERY aware of the difference between a Hotfix Update and a Regular Update. As noted in the linked KB932298 download (linked below by Storm): "Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes."
Hotfixes are NOT meant for general users, but rather users who are facing a very specific problem. As described in the article only install that Hotfix if you are have having specific daylight savings time issues with the rules that changed in 2007. -- Likely this was a pre-release for customers who "just couldn't wait" for the official update (probably for some business critical application) -- for regular users Windows Update should be all you need.
Thanks, and I hope this helps others who run into this issue!
You can't for Internet Explorer.
See this comment I wrote on a related topic:
There doesn't seem to be a good way, see: How to change color of disabled html controls in IE8 using css - you can set the input to
readonly
instead, but that has other consequences (such as withreadonly
, theinput
will be sent to the server on submit, but withdisabled
, it won't be): http://jsfiddle.net/wCFBw/40
Also, see: Changing font colour in Textboxes in IE which are disabled
use this extension
extension String {
func isBlankOrEmpty() -> Bool {
// Check empty string
if self.isEmpty {
return true
}
// Trim and check empty string
return (self.trimmingCharacters(in: .whitespaces) == "")
}
}
like so
// Disable the Save button if the text field is empty.
let text = nameTextField.text ?? ""
saveButton.isEnabled = !text.isBlankOrEmpty()
As mentioned before, inset -webkit-box-shadow for me works best.
/* Code witch overwrites input background-color */
input:-webkit-autofill {
-webkit-box-shadow: 0 0 0px 1000px #fbfbfb inset;
}
Also code snippet to change text color:
input:-webkit-autofill:first-line {
color: #797979;
}
If this is coming from SQL Server Import Wizard, try editing the definition of the column on the Data Source, it is 50 characters by default, but it can be longer.
Data Soruce -> Advanced -> Look at the column that goes in error -> change OutputColumnWidth to 200 and try again.
I created a jsfiddle for you here: JSFiddle HTML & CSS Example
CSS
div.raspberry {
float: left;
margin: 2px;
}
div p {
text-align: center;
}
HTML (apply CSS above to get what you need)
<div>
<div class = "raspberry">
<img src="http://31.media.tumblr.com/tumblr_lwlpl7ZE4z1r8f9ino1_500.jpg" width="100" height="100" alt="Screen 2"/>
<p>Raspberry <br> For You!</p>
</div>
<div class = "raspberry">
<img src="http://31.media.tumblr.com/tumblr_lwlpl7ZE4z1r8f9ino1_500.jpg" width="100" height="100" alt="Screen 3"/>
<p>Raspberry <br> For You!</p>
</div>
<div class = "raspberry">
<img src="http://31.media.tumblr.com/tumblr_lwlpl7ZE4z1r8f9ino1_500.jpg" width="100" height="100" alt="Screen 3"/>
<p>Raspberry <br> For You!</p>
</div>
</div>
Issue resolved.!!! Below are the solutions.
For Java 6: Add below jars into {JAVA_HOME}/jre/lib/ext. 1. bcprov-ext-jdk15on-154.jar 2. bcprov-jdk15on-154.jar
Add property into {JAVA_HOME}/jre/lib/security/java.security security.provider.1=org.bouncycastle.jce.provider.BouncyCastleProvider
Java 7:download jar from below link and add to {JAVA_HOME}/jre/lib/security http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
Java 8:download jar from below link and add to {JAVA_HOME}/jre/lib/security http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
Issue is that it is failed to decrypt 256 bits of encryption.
If a parameter is passed as Any to your function, you can test on a special type like so :
func isADate ( aValue : Any?) -> Bool{
if (aValue as? Date) != nil {
print ("a Date")
return true
}
else {
print ("This is not a date ")
return false
}
}
This is the query I normally use,
select s.sid
,s.serial#
,s.username
,s.machine
,s.status
,s.lockwait
,t.used_ublk
,t.used_urec
,t.start_time
from v$transaction t
inner join v$session s on t.addr = s.taddr;
If you're doing jQuery, and you've got a serializeArray thing going on concerning your form data, such as :
var postData = $('#yourform').serializeArray();
// postData (array with objects) :
// [{name: "firstname", value: "John"}, {name: "lastname", value: "Doe"}, etc]
...and you need to add a key/value to this array with the same structure, for instance when posting to a PHP ajax request then this :
postData.push({"name": "phone", "value": "1234-123456"});
Result:
// postData :
// [{name: "firstname", value: "John"}, {name: "lastname", value: "Doe"}, {"name":"phone","value":"1234-123456"}]
To change the labels for Pandas df.plot()
use ax.legend([...])
:
import pandas as pd
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
df = pd.DataFrame({'A':26, 'B':20}, index=['N'])
df.plot(kind='bar', ax=ax)
#ax = df.plot(kind='bar') # "same" as above
ax.legend(["AAA", "BBB"]);
Another approach is to do the same by plt.legend([...])
:
import matplotlib.pyplot as plt
df.plot(kind='bar')
plt.legend(["AAA", "BBB"]);
You are creating an array of three elements and assigning all three to the same thing, which is itself an array of three elements (three Doubles).
When you do the modifications you are modifying the floats in the internal array.
Assuming you are using MagicalRecord
and have a default persistence store:
I don't like all the solutions that assume certain files to exist and/or demand entering the entities names or classes. This is a Swift(2), safe way to delete all the data from all the entities. After deleting it will recreate a fresh stack too (I am actually not sure as to how neccessery this part is).
It's godo for "logout" style situations when you want to delete everything but have a working store and moc to get new data in (once the user logs in...)
extension NSManagedObject {
class func dropAllData() {
MagicalRecord.saveWithBlock({ context in
for name in NSManagedObjectModel.MR_defaultManagedObjectModel().entitiesByName.keys {
do { try self.deleteAll(name, context: context) }
catch { print("?? ?? Error when deleting \(name): \(error)") }
}
}) { done, err in
MagicalRecord.cleanUp()
MagicalRecord.setupCoreDataStackWithStoreNamed("myStoreName")
}
}
private class func deleteAll(name: String, context ctx: NSManagedObjectContext) throws {
let all = NSFetchRequest(entityName: name)
all.includesPropertyValues = false
let allObjs = try ctx.executeFetchRequest(all)
for obj in allObjs {
obj.MR_deleteEntityInContext(ctx)
}
}
}
you could do like this:
return inObj == DBNull.Value ? "" : (Convert.ToDateTime(inObj)).ToString("MM/dd/yyyy").ToString();
sprintf can do this:
#include <stdio.h>
int main() {
float w = 234.567;
char x[__SIZEOF_FLOAT__];
sprintf(x, "%g", w);
puts(x);
}
You should use LoadXml method, not Load:
xmlDoc.LoadXml(myXML);
Load method is trying to load xml from a file and LoadXml from a string. You could also use XPath:
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml);
string xpath = "myDataz/listS/sog";
var nodes = xmlDoc.SelectNodes(xpath);
foreach (XmlNode childrenNode in nodes)
{
HttpContext.Current.Response.Write(childrenNode.SelectSingleNode("//field1").Value);
}
To find all the filenames use os.listdir()
.
Then you loop over the filenames. Like so:
import os
for filename in os.listdir('dirname'):
callthecommandhere(blablahbla, filename, foo)
If you prefer subprocess, use subprocess. :-)
You get this error when you try to run a 32-bit build on your 64-bit Linux.
Also contrast what file
had to say on the binary you tried (ie: 32-bit) with what you get for your /bin/gzip
:
$ file /bin/gzip
/bin/gzip: ELF 64-bit LSB executable, x64-64, version 1 (SYSV), \
dynamically linked (uses shared libs), for GNU/Linux 2.6.15, stripped
which is what I get on Ubuntu 9.10 for amd64 aka x86_64.
Edit: Your expanded post shows that as the readelf
output also reflects a 32-bit build.
None of the other answers were working for me immediately on ElementaryOS Freya (based on Ubuntu 14.04); I was getting the
[TerminalIPythonApp] WARNING | File not found: 'kernelspec'
error that quickbug described under Matt's answer. I had to first do:
sudo apt-get install pip3
, then
sudo pip3 install ipython[all]
At that point you can then run the commands that Matt suggested; namely: ipython kernelspec install-self
and ipython3 kernelspec install-self
Now when I launch ipython notebook
and then open a notebook, I am able to select the Python 3 kernel from the Kernel menu.
In my case i did following thing. In the UserMaster userId is PK and in UserAccess userId is FK of UserMaster
UserAccess.belongsTo(UserMaster,{foreignKey: 'userId'});
UserMaster.hasMany(UserAccess,{foreignKey : 'userId'});
var userData = await UserMaster.findAll({include: [UserAccess]});
In my case, I had folders whose names started with _
(like _css
and _js
), which GH Pages ignores as per Jekyll processing rules. If you don't use Jekyll, the workaround is to place a file named .nojekyll
in the root directory. Otherwise, you can remove the underscores from these folders
An alternative solution:
function numberWithSpaces(value, pattern) {_x000D_
var i = 0,_x000D_
phone = value.toString();_x000D_
return pattern.replace(/#/g, _ => phone[i++]);_x000D_
}_x000D_
_x000D_
console.log(numberWithSpaces('2124771000', '###-###-####'));
_x000D_
Just showing the answer of Pandincus with "of the shelf" code and some explanation: You need two solutions for this example ( I know it could be done via one also ; ), let the advanced students present it ...
So here is the DDL SQL for the table :
USE [ocms_dev]
GO
CREATE TABLE [dbo].[Role](
[RoleId] [int] IDENTITY(1,1) NOT NULL,
[RoleName] [varchar](50) NULL
) ON [PRIMARY]
So here is the console program producing the dll:
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Reflection.Emit;
using System.Data.Common;
using System.Data;
using System.Data.SqlClient;
namespace DynamicEnums
{
class EnumCreator
{
// after running for first time rename this method to Main1
static void Main ()
{
string strAssemblyName = "MyEnums";
bool flagFileExists = System.IO.File.Exists (
AppDomain.CurrentDomain.SetupInformation.ApplicationBase +
strAssemblyName + ".dll"
);
// Get the current application domain for the current thread
AppDomain currentDomain = AppDomain.CurrentDomain;
// Create a dynamic assembly in the current application domain,
// and allow it to be executed and saved to disk.
AssemblyName name = new AssemblyName ( strAssemblyName );
AssemblyBuilder assemblyBuilder =
currentDomain.DefineDynamicAssembly ( name,
AssemblyBuilderAccess.RunAndSave );
// Define a dynamic module in "MyEnums" assembly.
// For a single-module assembly, the module has the same name as
// the assembly.
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule (
name.Name, name.Name + ".dll" );
// Define a public enumeration with the name "MyEnum" and
// an underlying type of Integer.
EnumBuilder myEnum = moduleBuilder.DefineEnum (
"EnumeratedTypes.MyEnum",
TypeAttributes.Public,
typeof ( int )
);
#region GetTheDataFromTheDatabase
DataTable tableData = new DataTable ( "enumSourceDataTable" );
string connectionString = "Integrated Security=SSPI;Persist " +
"Security Info=False;Initial Catalog=ocms_dev;Data " +
"Source=ysg";
using (SqlConnection connection =
new SqlConnection ( connectionString ))
{
SqlCommand command = connection.CreateCommand ();
command.CommandText = string.Format ( "SELECT [RoleId], " +
"[RoleName] FROM [ocms_dev].[dbo].[Role]" );
Console.WriteLine ( "command.CommandText is " +
command.CommandText );
connection.Open ();
tableData.Load ( command.ExecuteReader (
CommandBehavior.CloseConnection
) );
} //eof using
foreach (DataRow dr in tableData.Rows)
{
myEnum.DefineLiteral ( dr[1].ToString (),
Convert.ToInt32 ( dr[0].ToString () ) );
}
#endregion GetTheDataFromTheDatabase
// Create the enum
myEnum.CreateType ();
// Finally, save the assembly
assemblyBuilder.Save ( name.Name + ".dll" );
} //eof Main
} //eof Program
} //eof namespace
Here is the Console programming printing the output ( remember that it has to reference the dll ). Let the advance students present the solution for combining everything in one solution with dynamic loading and checking if there is already build dll.
// add the reference to the newly generated dll
use MyEnums ;
class Program
{
static void Main ()
{
Array values = Enum.GetValues ( typeof ( EnumeratedTypes.MyEnum ) );
foreach (EnumeratedTypes.MyEnum val in values)
{
Console.WriteLine ( String.Format ( "{0}: {1}",
Enum.GetName ( typeof ( EnumeratedTypes.MyEnum ), val ),
val ) );
}
Console.WriteLine ( "Hit enter to exit " );
Console.ReadLine ();
} //eof Main
} //eof Program
If you (or other searchers of this question) were actually interested in creating a contiguous array to fill with integers, consider bytearray and memoryivew:
# cast() is available starting Python 3.3
size = 10**6
ints = memoryview(bytearray(size)).cast('i')
ints.contiguous, ints.itemsize, ints.shape
# (True, 4, (250000,))
ints[0]
# 0
ints[0] = 16
ints[0]
# 16
As with all technologies, it has its ups and downs. If you are using an iframe to get around a properly developed site, then of course it is bad practice. However sometimes an iframe is acceptable.
One of the main problems with an iframe has to do with bookmarks and navigation. If you are using it to simply embed a page inside your content, I think that is fine. That is what an iframe is for.
However I've seen iframes abused as well. It should never be used as an integral part of your site, but as a piece of content within a site.
Usually, if you can do it without an iframe, that is a better option. I'm sure others here may have more information or more specific examples, it all comes down to the problem you are trying to solve.
With that said, if you are limited to HTML and have no access to a backend like PHP or ASP.NET etc, sometimes an iframe is your only option.
Here's the solution using jQuery:
$().ready(function () {
$(".formToValidate").validate();
$(".checkBox").each(function (item) {
$(this).rules("add", {
required: true,
minlength:3
});
});
});
If you don't mind getting a new data frame object returned as opposed to updating the original Pandas .assign() will avoid SettingWithCopyWarning
. Your example:
df = df.assign(B=df1['E'])
In Three.js R59, object.rotation.setEulerFromRotationMatrix(object.matrix);
has been changed to object.rotation.setFromRotationMatrix(object.matrix);
3js is changing so rapidly :D
If you don't want an array then how about an object?
var months = {
'Jan' : '01',
'Feb' : '02',
'Mar' : '03',
'Apr' : '04',
'May' : '05',
'Jun' : '06',
'Jul' : '07',
'Aug' : '08',
'Sep' : '09',
'Oct' : '10',
'Nov' : '11',
'Dec' : '12'
}
Since it sounds like I can't speed up the deletion, I think a good approach might be to process the file in batches like this:
While file1 not empty
file2 = head -n1000 file1
process file2
sed -i -e "1000d" file1
end
The drawback of this is that if the program gets killed in the middle (or if there's some bad sql in there - causing the "process" part to die or lock-up), there will be lines that are either skipped, or processed twice.
(file1 contains lines of sql code)
With deferred
(another promise/deferred implementation) you can do:
// Setup 'pdrop', promise version of 'drop' method
var deferred = require('deferred');
mongoose.Collection.prototype.pdrop =
deferred.promisify(mongoose.Collection.prototype.drop);
// Drop collections:
deferred.map(['aaa','bbb','ccc'], function(name){
return conn.collection(name).pdrop()(function () {
console.log("dropped");
});
}).end(function () {
console.log("all dropped");
}, null);
this will work for sure..
RelativeLayout layout = new RelativeLayout(R.layout.your_layour);
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.CENTER_IN_PARENT);
params.addRule(LinearLayout.CENTER_IN_PARENT);
textView.setLayoutParams(params);
textView.setGravity(Gravity.CENTER);
layout.addView(textView);
setcontentView(layout);
I'm not sure that there isn't a bit too much fussing around here. I recently had problems with md5 and files stored as blobs on MySQL so I experimented with various file sizes and the straightforward Python approach, viz:
FileHash=hashlib.md5(FileData).hexdigest()
I could detect no noticeable performance difference with a range of file sizes 2Kb to 20Mb and therefore no need to 'chunk' the hashing. Anyway, if Linux has to go to disk, it will probably do it at least as well as the average programmer's ability to keep it from doing so. As it happened, the problem was nothing to do with md5. If you're using MySQL, don't forget the md5() and sha1() functions already there.
For SQL Server 2012, though I believe it would work in SQL Server 2008R2, I use the following approach to get time slicing down to the millisecond:
DATEADD(MILLISECOND, -DATEDIFF(MILLISECOND, CAST(time AS DATE), time) % @msPerSlice, time)
This works by:
@ms = DATEDIFF(MILLISECOND, CAST(time AS DATE), time)
@rms = @ms % @msPerSlice
DATEADD(MILLISECOND, -@rms, time)
Unfortunately, as is this overflows with microseconds and smaller units, so larger, finer data sets would need to use a less convenient fixed point.
I have not rigorously benchmarked this and I am not in big data, so your mileage may vary, but performance was not noticeably worse than the other methods tried on our equipment and data sets, and the payout in developer convenience for arbitrary slicing makes it worthwhile for us.
Unfortunately you're probably done with the animation and presentation already. In the hopes this answer can help future questioners, however, this blog post has a walkthrough of steps that can loop a single slide as a sort of sub-presentation.
First, click Slide Show > Set Up Show.
Put a checkmark to Loop continuously until 'Esc'.
Click Ok. Now, Click Slide Show > Custom Shows. Click New.
Select the slide you are looping, click Add. Click Ok and Close.
Click on the slide you are looping. Click Slide Show > Slide Transition. Under Advance slide, put a checkmark to Automatically After. This will allow the slide to loop automatically. Do NOT Apply to all slides.
Right click on the thumbnail of the current slide, select Hide Slide.
Now, you will need to insert a new slide just before the slide you are looping. On the new slide, insert an action button. Set the hyperlink to the custom show you have created. Put a checkmark on "Show and Return"
This has worked for me.
You can use each
for this:
$('#productList li').each(function(i, li) {
var $product = $(li);
// your code goes here
});
That being said - are you sure you want to be updating the values to be +1 each time? Couldn't you just find the count and then set the values based on that?
Both are Creational patterns, to create Object.
1) Factory Pattern - Assume, you have one super class and N number of sub classes. The object is created depends on which parameter/value is passed.
2) Builder pattern - to create complex object.
Ex: Make a Loan Object. Loan could be house loan, car loan ,
education loan ..etc. Each loan will have different interest rate, amount ,
duration ...etc. Finally a complex object created through step by step process.
There are several ways rsync compares files -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync compares metadata and if it looks like it doesn't need to copy the file because size and timestamp match between source and destination it doesn't look further. If they don't match, it cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended.
Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size is the same, but the corrected file will have a newer timestamp. --size-only
says "don't look at the time; if size matches assume files match", which would be the wrong choice in this case.
On the other hand, suppose you accidentally did a big cp -r A B
yesterday, but you forgot to preserve the time stamps, and now you want to do the operation in reverse rsync B A
. All those files you cp'ed have yesterday's time stamp, even though they weren't really modified yesterday, and rsync will by default end up copying all those files, and updating the timestamp to yesterday too. --size-only
may be your friend in this case (modulo the example above).
--ignore-times
says to compare the files regardless of whether the files have the same modify time. Consider the typo example above, but then not only did you correct the typo but you used touch
to make the corrected file have the same modify time as the original file -- let's just say you're sneaky that way. Well --ignore-times
will do a diff of the files even though the size and time match.
Since there's no answer using regular array find
:
var one = {id: 1, name: 'one'};
var two = {id: 2, name:'two'}
var arr = [one, two]
var found = arr.find((a) => a.id === 2)
found === two // true
arr.indexOf(found) // 1
Now there is an official way to add "PlantUML integration" plugin to your JetBrains product.
Installation steps please refer: https://stackoverflow.com/a/53387418/5320704
Simply add alignSelf: "stretch"
to your item's stylesheet.
line1: {
backgroundColor: '#FDD7E4',
alignSelf: 'stretch',
textAlign: 'center',
},
Use the following notations:
Thanks @lit for your ideal answer in below comment:
Use the environment variables %ProgramFiles% and %ProgramFiles(x86)%
:
I've encountered such issue recently. Though code was correct, I didn't turn on permissions in app settings. So, all permissions hasn't been set by default on emulators, so you should do it yourself.
You can just replace each space with %
SELECT `name` FROM `table` WHERE `name` LIKE '%Stylus%2100%'
It may help to think of an image as a "snapshot" of a container.
You can make images from a container (new "snapshots"), and you can also start new containers from an image (instantiate the "snapshot"). For example, you can instantiate a new container from a base image, run some commands in the container, and then "snapshot" that as a new image. Then you can instantiate 100 containers from that new image.
Other things to consider:
docker images
.My pycharm ce had the same error, was easy to fix it, if someone has that error, just uninstall and delete the folder, use ctrl+h
if you can't find the folder in your documents, install the software again and should work again.
Remember to save the scratches folder before erasing the pycharm folder.
Another method is by using the menu within visual studio. Project -> Add Reference... I recommend copying the needed .dll to your resource folder, or local project folder.
please see below answer.
Custom_CameraActivity.java
public class Custom_CameraActivity extends Activity {
private Camera mCamera;
private CameraPreview mCameraPreview;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mCamera = getCameraInstance();
mCameraPreview = new CameraPreview(this, mCamera);
FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview);
preview.addView(mCameraPreview);
Button captureButton = (Button) findViewById(R.id.button_capture);
captureButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mCamera.takePicture(null, null, mPicture);
}
});
}
/**
* Helper method to access the camera returns null if it cannot get the
* camera or does not exist
*
* @return
*/
private Camera getCameraInstance() {
Camera camera = null;
try {
camera = Camera.open();
} catch (Exception e) {
// cannot get camera or does not exist
}
return camera;
}
PictureCallback mPicture = new PictureCallback() {
@Override
public void onPictureTaken(byte[] data, Camera camera) {
File pictureFile = getOutputMediaFile();
if (pictureFile == null) {
return;
}
try {
FileOutputStream fos = new FileOutputStream(pictureFile);
fos.write(data);
fos.close();
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
}
};
private static File getOutputMediaFile() {
File mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
"MyCameraApp");
if (!mediaStorageDir.exists()) {
if (!mediaStorageDir.mkdirs()) {
Log.d("MyCameraApp", "failed to create directory");
return null;
}
}
// Create a media file name
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
.format(new Date());
File mediaFile;
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "IMG_" + timeStamp + ".jpg");
return mediaFile;
}
}
CameraPreview.java
public class CameraPreview extends SurfaceView implements
SurfaceHolder.Callback {
private SurfaceHolder mSurfaceHolder;
private Camera mCamera;
// Constructor that obtains context and camera
@SuppressWarnings("deprecation")
public CameraPreview(Context context, Camera camera) {
super(context);
this.mCamera = camera;
this.mSurfaceHolder = this.getHolder();
this.mSurfaceHolder.addCallback(this);
this.mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
@Override
public void surfaceCreated(SurfaceHolder surfaceHolder) {
try {
mCamera.setPreviewDisplay(surfaceHolder);
mCamera.startPreview();
} catch (IOException e) {
// left blank for now
}
}
@Override
public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
mCamera.stopPreview();
mCamera.release();
}
@Override
public void surfaceChanged(SurfaceHolder surfaceHolder, int format,
int width, int height) {
// start preview with new settings
try {
mCamera.setPreviewDisplay(surfaceHolder);
mCamera.startPreview();
} catch (Exception e) {
// intentionally left blank for a test
}
}
}
main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >
<FrameLayout
android:id="@+id/camera_preview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1" />
<Button
android:id="@+id/button_capture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Capture" />
</LinearLayout>
Add Below Lines to your androidmanifest.xml file
<uses-feature android:name="android.hardware.camera" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
you can print it as string:
printf("%s\n", foo);
In addition to Harry's answer, I think it's crucial to add/emphasize that :last-child will not work if the element is not the VERY LAST element in a container. For whatever reason it took me hours to realize that, and even though Harry's answer is very thorough I couldn't extract that information from "The last-child selector is used to select the last child element of a parent."
Suppose this is my selector: a:last-child {}
This works:
<div>
<a></a>
<a>This will be selected</a>
</div>
This doesn't:
<div>
<a></a>
<a>This will no longer be selected</a>
<div>This is now the last child :'( </div>
</div>
It doesn't because the a
element is not the last element inside its parent.
It may be obvious, but it was not for me...
You are declaring a local variable, not a class variable. To set an instance variable (attribute), use
class Example(object):
def the_example(self):
self.itsProblem = "problem" # <-- remember the 'self.'
theExample = Example()
theExample.the_example()
print(theExample.itsProblem)
To set a class variable (a.k.a. static member), use
class Example(object):
def the_example(self):
Example.itsProblem = "problem"
# or, type(self).itsProblem = "problem"
# depending what you want to do when the class is derived.
I have used pdflib for this.
p = new pdflib();
/* Open the input PDF */
indoc = p.open_pdi_document("myTestFile.pdf", "");
pageCount = (int) p.pcos_get_number(indoc, "length:pages");
For something with 2 parameters, you could use BiFunction
. If you need more, you can define your own function interface, like so:
@FunctionalInterface
public interface FourParameterFunction<T, U, V, W, R> {
public R apply(T t, U u, V v, W w);
}
If there is more than one parameter, you need to put parentheses around the argument list, like so:
FourParameterFunction<String, Integer, Double, Person, String> myLambda = (a, b, c, d) -> {
// do something
return "done something";
};
From the error, I infer that referenceElement
is a dictionary (see repro below). A dictionary cannot be hashed and therefore cannot be used as a key to another dictionary (or itself for that matter!).
>>> d1, d2 = {}, {}
>>> d1[d2] = 1
Traceback (most recent call last):
File "<input>", line 1, in <module>
TypeError: unhashable type: 'dict'
You probably meant either for element in referenceElement.keys()
or for element in json['referenceElement'].keys()
. With more context on what types json
and referenceElement
are and what they contain, we will be able to better help you if neither solution works.
Firstly, it probably depends which version of Solaris you're running, but also what hardware you have.
On SPARC at least, you have psrinfo
to show you processor information, which run on its own will show you the number of CPU
s the machine sees. psrinfo -p
shows you the number of physical processors installed. From that you can deduce the number of threads/cores per physical processors.
prtdiag
will display a fair bit of info about the hardware in your machine. It looks like on a V240 you do get memory channel info from prtdiag
, but you don't on a T2000. I guess that's an architecture issue between UltraSPARC IIIi and UltraSPARC T1.
Either you can use CSV functions or PHPExcel
or you can try like below
<?php
$file="demo.xls";
$test="<table ><tr><td>Cell 1</td><td>Cell 2</td></tr></table>";
header("Content-type: application/vnd.ms-excel");
header("Content-Disposition: attachment; filename=$file");
echo $test;
?>
The header for .xlsx files is Content-type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
SELECT SC.StoreId
FROM StoreClients SC
WHERE SC.StoreId NOT IN (SELECT StoreId FROM StoreClients WHERE ClientId = 5)
In this way neither JOIN
nor GROUP BY
is necessary.
Full version:
<? echo date('F Y'); ?>
Short version:
<? echo date('M Y'); ?>
Here is a good reference for the different date options.
update
To show the previous month we would have to introduce the mktime() function and make use of the optional timestamp
parameter for the date() function. Like this:
echo date('F Y', mktime(0, 0, 0, date('m')-1, 1, date('Y')));
This will also work (it's typically used to get the last day of the previous month):
echo date('F Y', mktime(0, 0, 0, date('m'), 0, date('Y')));
Hope that helps.
In windows 8:
$ C:\xxx\xxx\AppData\Local\Android\sdk\tools\android.bat
Make sure AutoSizeRowsMode
is set to None
else the row height won't matter because well... it'll auto-size the rows.
Should be an easy thing but I fought this for a few hours before I figured it out.
Better late than never to respond =)
cURL can return HTTP code I don’t think all that extra code is necessary?
function urlExists($url=NULL)
{
if($url == NULL) return false;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($ch);
$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if($httpcode>=200 && $httpcode<300){
return true;
} else {
return false;
}
}
The current directory is a system-level feature; it returns the directory that the server was launched from. It has nothing to do with the website.
You want HttpRuntime.AppDomainAppPath
.
If you're in an HTTP request, you can also call Server.MapPath("~/Whatever")
.
I had the same errors.
I added System.Data.Entity.Repository from Nuget Packages and the errors disappears.
Hope it wil help!
Now there is special method - get_fields()
>>> from django.contrib.auth.models import User
>>> User._meta.get_fields()
It accepts two parameters that can be used to control which fields are returned:
include_parents
True by default. Recursively includes fields defined on parent classes. If set to False, get_fields() will only search for fields declared directly on the current model. Fields from models that directly inherit from abstract models or proxy classes are considered to be local, not on the parent.
include_hidden
False by default. If set to True, get_fields() will include fields that are used to back other field’s functionality. This will also include any fields that have a related_name (such as ManyToManyField, or ForeignKey) that start with a “+”
Pointing to Best Practices for Using Strings in the .NET Framework:
StringComparison.Ordinal
or StringComparison.OrdinalIgnoreCase
for comparisons as your safe default for culture-agnostic string matching.StringComparison.Ordinal
or StringComparison.OrdinalIgnoreCase
for better performance.StringComparison.Ordinal
or StringComparison.OrdinalIgnoreCase
values instead of string operations based on CultureInfo.InvariantCulture
when the comparison is linguistically irrelevant (symbolic, for example).And finally:
StringComparison.InvariantCulture
in most cases. One of the few exceptions is when you are persisting linguistically meaningful but culturally agnostic data.The main problem you're having is that you're learning programming for the first time with Java and I think Java isn't the best language to start.
I suppose that you're addressing a work project, Is this the case? That pressure might make things worse. Depending on how complex the project is you might success but learning Java in 10 weeks without background knowledge is another issue.
Use this -
create table dummy_table_name as select * from source_table_name;
This will create the new table with existing data available on source_table_name
.
StreamWriter is available for NET 1.1. and for the Compact framework. Just open the file and apply the ToString to your StringBuilder:
StringBuilder sb = new StringBuilder();
sb.Append(......);
StreamWriter sw = new StreamWriter("\\hereIAm.txt", true);
sw.Write(sb.ToString());
sw.Close();
Also, note that you say that you want to append debug messages to the file (like a log). In this case, the correct constructor for StreamWriter is the one that accepts an append
boolean flag. If true then it tries to append to an existing file or create a new one if it doesn't exists.
help('modules')
should do it for you.
in IPython :
In [1]: import #import press-TAB
Display all 631 possibilities? (y or n)
ANSI audiodev markupbase
AptUrl audioop markupsafe
ArgImagePlugin avahi marshal
BaseHTTPServer axi math
Bastion base64 md5
BdfFontFile bdb mhlib
BmpImagePlugin binascii mimetools
BufrStubImagePlugin binhex mimetypes
CDDB bisect mimify
CDROM bonobo mmap
CGIHTTPServer brlapi mmkeys
Canvas bsddb modulefinder
CommandNotFound butterfly multifile
ConfigParser bz2 multiprocessing
ContainerIO cPickle musicbrainz2
Cookie cProfile mutagen
Crypto cStringIO mutex
CurImagePlugin cairo mx
DLFCN calendar netrc
DcxImagePlugin cdrom new
Dialog cgi nis
DiscID cgitb nntplib
DistUpgrade checkbox ntpath
Here is my solution using AnimatorSet which seems to be a bit more reliable than AnimationSet.
// Custom animation on image
ImageView myView = (ImageView)splashDialog.findViewById(R.id.splashscreenImage);
ObjectAnimator fadeOut = ObjectAnimator.ofFloat(myView, "alpha", 1f, .3f);
fadeOut.setDuration(2000);
ObjectAnimator fadeIn = ObjectAnimator.ofFloat(myView, "alpha", .3f, 1f);
fadeIn.setDuration(2000);
final AnimatorSet mAnimationSet = new AnimatorSet();
mAnimationSet.play(fadeIn).after(fadeOut);
mAnimationSet.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
super.onAnimationEnd(animation);
mAnimationSet.start();
}
});
mAnimationSet.start();
$('#divId > input, #divId > select, #divId > textarea').serialize();
BOM tends to boom (no pun intended (sic)) somewhere, someplace. And when it booms (for example, doesn't get recognized by browsers, editors, etc.), it shows up as the weird characters 
at the start of the document (for example, HTML file, JSON response, RSS, etc.) and causes the kind of embarrassments like the recent encoding issue experienced during the talk of Obama on Twitter.
It's very annoying when it shows up at places hard to debug or when testing is neglected. So it's best to avoid it unless you must use it.
Healpix solves a closely related problem (pixelating the sphere with equal area pixels):
http://healpix.sourceforge.net/
It's probably overkill, but maybe after looking at it you'll realize some of it's other nice properties are interesting to you. It's way more than just a function that outputs a point cloud.
I landed here trying to find it again; the name "healpix" doesn't exactly evoke spheres...
Answers provided here as which camera api to use are wrong. Or better to say they are insufficient.
Some phones (for example Samsung Galaxy S6) could be above api level 21 but still may not support Camera2 api.
CameraCharacteristics mCameraCharacteristics = mCameraManager.getCameraCharacteristics(mCameraId);
Integer level = mCameraCharacteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL);
if (level == null || level == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) {
return false;
}
CameraManager class in Camera2Api has a method to read camera characteristics. You should check if hardware wise device is supporting Camera2 Api or not.
But there are more issues to handle if you really want to make it work for a serious application: Like, auto-flash option may not work for some devices or battery level of the phone might create a RuntimeException on Camera or phone could return an invalid camera id and etc.
So best approach is to have a fallback mechanism as for some reason Camera2 fails to start you can try Camera1 and if this fails as well you can make a call to Android to open default Camera for you.
I just run into the similar issue today. Unfortunately my HD died on me so I couldn't do the migration mentioned here in the accepted answer. I had to do the following steps:
The same action is also mentioned on this post.
JSON is a format that encodes objects in a string. Serialization means to convert an object into that string, and deserialization is its inverse operation (convert string -> object).
When transmitting data or storing them in a file, the data are required to be byte strings, but complex objects are seldom in this format. Serialization can convert these complex objects into byte strings for such use. After the byte strings are transmitted, the receiver will have to recover the original object from the byte string. This is known as deserialization.
Say, you have an object:
{foo: [1, 4, 7, 10], bar: "baz"}
serializing into JSON will convert it into a string:
'{"foo":[1,4,7,10],"bar":"baz"}'
which can be stored or sent through wire to anywhere. The receiver can then deserialize this string to get back the original object. {foo: [1, 4, 7, 10], bar: "baz"}
.
http://www.rodsdot.com/ee/cross_browser_clipboard_copy_with_pop_over_message.asp works with Flash 10 and all Flash enabled browsers.
Also ZeroClipboard has been updated to avoid the bug mentioned about page scrolling causing the Flash movie to no longer be in the correct place.
Since that method "Requires" the user to click a button to copy this is a convenience to the user and nothing nefarious is occurring.
You know, all this stuff about the joins and the 'complex transactions' -- but it was Monty himself who, many years ago, explained away the "need" for COMMIT / ROLLBACK, saying that 'all that is done in the logic classes (and not the database) anyway' -- so it's the same thing all over again. What is needed is a dumb yet incredibly tidy and fast data storage/retrieval engine, for 99% of what the web apps do.
It should be Ctrl + J.
Additionally to what Chris Taylor wrote: if you have something serialized as an attribute, you can have a property on your class named {PropertyName}Specified
to control if it should be serialized. In code:
public class MyClass
{
[XmlAttribute]
public int MyValue;
[XmlIgnore]
public bool MyValueSpecified;
}
Yep, both and
and or
operators short-circuit -- see the docs.
Simplest Answer is "No Direct method of getting it because there is no pre-compiler"
But you can do it by yourself. Use classes and then define variables as final so that it can be assumed as constant throughout the program
Don't forget to use final and variable as public or protected not private otherwise you won't be able to access it from outside that class
This error might occur when you return an object instead of a string in your __unicode__
method. For example:
class Author(models.Model):
. . .
name = models.CharField(...)
class Book(models.Model):
. . .
author = models.ForeignKey(Author, ...)
. . .
def __unicode__(self):
return self.author # <<<<<<<< this causes problems
To avoid this error you can cast the author instance to unicode:
class Book(models.Model):
. . .
def __unicode__(self):
return unicode(self.author) # <<<<<<<< this is OK
Collection is an Interface which can used to Represent a Group of Individual object as a single Entity.
Collections is an utility class to Define several Utility Methods for Collection object.
Use LEFT combined with CHARINDEX:
UPDATE MyTable
SET MyText = LEFT(MyText, CHARINDEX(';', MyText) - 1)
WHERE CHARINDEX(';', MyText) > 0
Note that the WHERE clause skips updating rows in which there is no semicolon.
Here is some code to verify the SQL above works:
declare @MyTable table ([id] int primary key clustered, MyText varchar(100))
insert into @MyTable ([id], MyText)
select 1, 'some text; some more text'
union all select 2, 'text again; even more text'
union all select 3, 'text without a semicolon'
union all select 4, null -- test NULLs
union all select 5, '' -- test empty string
union all select 6, 'test 3 semicolons; second part; third part;'
union all select 7, ';' -- test semicolon by itself
UPDATE @MyTable
SET MyText = LEFT(MyText, CHARINDEX(';', MyText) - 1)
WHERE CHARINDEX(';', MyText) > 0
select * from @MyTable
I get the following results:
id MyText
-- -------------------------
1 some text
2 text again
3 text without a semicolon
4 NULL
5 (empty string)
6 test 3 semicolons
7 (empty string)
You've just published that private key, so now the whole world knows what it is. Hopefully that was just for testing.
EDIT: Others have noted that the openssl text header of the published key, -----BEGIN RSA PRIVATE KEY-----, indicates that it is PKCS#1. However, the actual Base64 contents of the key in question is PKCS#8. Evidently the OP copy and pasted the header and trailer of a PKCS#1 key onto the PKCS#8 key for some unknown reason. The sample code I've provided below works with PKCS#8 private keys.
Here is some code that will create the private key from that data. You'll have to replace the Base64 decoding with your IBM Base64 decoder.
public class RSAToy {
private static final String BEGIN_RSA_PRIVATE_KEY = "-----BEGIN RSA PRIVATE KEY-----\n"
+ "MIIEuwIBADAN ...skipped the rest\n"
// + ...
// + ... skipped the rest
// + ...
+ "-----END RSA PRIVATE KEY-----";
public static void main(String[] args) throws Exception {
// Remove the first and last lines
String privKeyPEM = BEGIN_RSA_PRIVATE_KEY.replace("-----BEGIN RSA PRIVATE KEY-----\n", "");
privKeyPEM = privKeyPEM.replace("-----END RSA PRIVATE KEY-----", "");
System.out.println(privKeyPEM);
// Base64 decode the data
byte [] encoded = Base64.decode(privKeyPEM);
// PKCS8 decode the encoded RSA private key
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(encoded);
KeyFactory kf = KeyFactory.getInstance("RSA");
PrivateKey privKey = kf.generatePrivate(keySpec);
// Display the results
System.out.println(privKey);
}
}
Difference between a Spy and a Mock
When Mockito creates a mock – it does so from the Class of a Type, not from an actual instance. The mock simply creates a bare-bones shell instance of the Class, entirely instrumented to track interactions with it. On the other hand, the spy will wrap an existing instance. It will still behave in the same way as the normal instance – the only difference is that it will also be instrumented to track all the interactions with it.
In the following example – we create a mock of the ArrayList class:
@Test
public void whenCreateMock_thenCreated() {
List mockedList = Mockito.mock(ArrayList.class);
mockedList.add("one");
Mockito.verify(mockedList).add("one");
assertEquals(0, mockedList.size());
}
As you can see – adding an element into the mocked list doesn’t actually add anything – it just calls the method with no other side-effect. A spy on the other hand will behave differently – it will actually call the real implementation of the add method and add the element to the underlying list:
@Test
public void whenCreateSpy_thenCreate() {
List spyList = Mockito.spy(new ArrayList());
spyList.add("one");
Mockito.verify(spyList).add("one");
assertEquals(1, spyList.size());
}
Here we can surely say that the real internal method of the object was called because when you call the size() method you get the size as 1, but this size() method isn’t been mocked! So where does 1 come from? The internal real size() method is called as size() isn’t mocked (or stubbed) and hence we can say that the entry was added to the real object.
Source: http://www.baeldung.com/mockito-spy + self notes.
I usually use this workaround:
try:
from .mymodule import myclass
except Exception: #ImportError
from mymodule import myclass
Which means your IDE should pick up the right code location and the python interpreter will manage to run your code.
The answer by Nils describes how to convert objects to maps, which I found very useful. However, the OP was also wondering where this information is in the MDN docs. While it may not have been there when the question was originally asked, it is now on the MDN page for Object.entries() under the heading Converting an Object to a Map which states:
Converting an Object to a Map
The
new Map()
constructor accepts an iterable ofentries
. WithObject.entries
, you can easily convert fromObject
toMap
:const obj = { foo: 'bar', baz: 42 }; const map = new Map(Object.entries(obj)); console.log(map); // Map { foo: "bar", baz: 42 }
<session-config>
<session-timeout>-1</session-timeout>
</session-config>
You can use "-1" where the session never expires. Since you do not know how much time it will take for the thread to complete.
Go to Tools >> Preferences >> IPython console >> Graphics >> Backend:Inline, change "Inline" to "Automatic", click "OK"
Reset the kernel at the console, and the plot will appear in a separate window
One issue I've had, and it was horribly tricky, was that the OCI call to describe a column attributes behaves diffrently depending on Oracle versions. Describing a simple NUMBER column created without any prec or scale returns differenlty on 9i, 1Og and 11g
Your main problem is you create new figures in your loop, so each vector gets drawn on a different figure. Here's what I came up with, let me know if it's still not what you expect:
CODE:
import numpy as np
import matplotlib.pyplot as plt
M = np.array([[1,1],[-2,2],[4,-7]])
rows,cols = M.T.shape
#Get absolute maxes for axis ranges to center origin
#This is optional
maxes = 1.1*np.amax(abs(M), axis = 0)
for i,l in enumerate(range(0,cols)):
xs = [0,M[i,0]]
ys = [0,M[i,1]]
plt.plot(xs,ys)
plt.plot(0,0,'ok') #<-- plot a black point at the origin
plt.axis('equal') #<-- set the axes to the same scale
plt.xlim([-maxes[0],maxes[0]]) #<-- set the x axis limits
plt.ylim([-maxes[1],maxes[1]]) #<-- set the y axis limits
plt.legend(['V'+str(i+1) for i in range(cols)]) #<-- give a legend
plt.grid(b=True, which='major') #<-- plot grid lines
plt.show()
OUTPUT:
EDIT CODE:
import numpy as np
import matplotlib.pyplot as plt
M = np.array([[1,1],[-2,2],[4,-7]])
rows,cols = M.T.shape
#Get absolute maxes for axis ranges to center origin
#This is optional
maxes = 1.1*np.amax(abs(M), axis = 0)
colors = ['b','r','k']
for i,l in enumerate(range(0,cols)):
plt.axes().arrow(0,0,M[i,0],M[i,1],head_width=0.05,head_length=0.1,color = colors[i])
plt.plot(0,0,'ok') #<-- plot a black point at the origin
plt.axis('equal') #<-- set the axes to the same scale
plt.xlim([-maxes[0],maxes[0]]) #<-- set the x axis limits
plt.ylim([-maxes[1],maxes[1]]) #<-- set the y axis limits
plt.grid(b=True, which='major') #<-- plot grid lines
plt.show()
If you're the app developer, you may see a more specific error message, but generally that message means one of two things:
As has already been mentioned, if you control the server side then it should be possible to send the initial request headers back to the client in the initial response.
In Express, for example, the following works:
app.get('/somepage', (req, res) => {
res.render('somepage.hbs', {headers: req.headers});
})
The headers are then available within the template, so could be hidden visually but included in the markup and read by clientside javascript.
If you want to remove the default value constraint, you can do:
ALTER TABLE <table> ALTER COLUMN <column> DROP DEFAULT;
Try using this:
$description = preg_replace("/\r\n|\r|\n/", '<br/>', $description);
Just use DROP TABLE IF EXISTS
:
DROP TABLE IF EXISTS `foo`;
CREATE TABLE `foo` ( ... );
Try searching the MySQL documentation first if you have any other problems.
No, you cannot do this. The values in the IN clause must be exact matches. You could modify the select thusly:
SELECT *
FROM tbl
WHERE my_col LIKE %val1%
OR my_col LIKE %val2%
OR my_col LIKE %val3%
...
If the val1, val2, val3... are similar enough, you might be able to use regular expressions in the REGEXP_LIKE operator.
Regex for Facebook-like validation:
public static final String REGEX_EMAIL_VALIDATION = "^[\\w-\\+]+(\\.[\\w]+)*@[\\w-]+(\\.[\\w]+)*(\\.[a-zA-Z]{2,})$";
Dto for Unit tests(with Lombok):
@Data
@Accessors(chain = true)
@FieldDefaults(level = AccessLevel.PRIVATE)
public class UserCreateDto {
@NotNull
@Pattern(regexp = REGEX_EMAIL_VALIDATION)
@Size(min = 1, max = 254)
String email;
}
Valid/invalid emails below with Unit tests:
public class UserCreateValidationDtoTest {
private static final String[] VALID_EMAILS = new String[]{"[email protected]", "[email protected]",
"[email protected]", "[email protected]", "[email protected]",
"[email protected]", "[email protected]", "[email protected]",
"[email protected]", "[email protected]", "[email protected]"};
private static final String[] INVALID_EMAILS = new String[]{"[email protected]", "email@111",
"email", "[email protected]", "email123@gmail.", "[email protected]", "[email protected]",
"[email protected]", "email()*@gmAil.com", "eEmail()*@gmail.com", "email@%*.com", "[email protected]",
"[email protected]", "email@[email protected]", "[email protected]."};
private Validator validator;
@Before
public void setUp() throws Exception {
ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
validator = factory.getValidator();
}
@Test
public void emailValidationShouldBeValid() throws Exception {
Arrays.stream(VALID_EMAILS)
.forEach(email -> {
Set<ConstraintViolation<UserCreateDto>> violations = validateEmail(
new UserCreateDto().setEmail(email));
System.out.println("Email: " + email + ", violations: " + violations);
Assert.assertTrue(violations.isEmpty());
}
);
}
@Test
public void emailValidationShouldBeNotValid() throws Exception {
Arrays.stream(INVALID_EMAILS)
.forEach(email -> {
Set<ConstraintViolation<UserCreateDto>> violations = validateEmail(
new UserCreateDto().setEmail(email));
System.out.println("Email: " + email + ", violations: " + violations);
Assert.assertTrue(!violations.isEmpty());
}
);
}
private Set<ConstraintViolation<UserCreateDto>> validateEmail(UserCreateDto user) {
String emailFieldName = "email";
return validator.validateProperty(user, emailFieldName);
}
}
The traditional method for checking for packages in Python is "it's better to beg forgiveness than ask permission", or rather, "it's better to catch an exception than test a condition."
try:
import numpy
HAS_NUMPY = True
except ImportError:
HAS_NUMPY = False
As mentioned above
Application.Current.DispatcherUnhandledException will not catch exceptions that are thrown from another thread then the main thread.
That actual depend on how the thread was created
One case that is not handled by Application.Current.DispatcherUnhandledException is System.Windows.Forms.Timer for which Application.ThreadException can be used to handle these if you run Forms on other threads than the main thread you will need to set Application.ThreadException from each such thread
I suggest looking into background-size
options to adjust the image size.
Instead of having the image in the page if you have it set as a background image you can set:
background-size: contain
or
background-size: cover
These options take into account both the height and width when scaling the image. This will work in IE9 and all other recent browsers.
This is a headbreaker for a long time. I see now it's OSX.. i change it system-wide and it works perfect
When i add this the LANG in Centos6 and Fedora is also my preferred LANG. You can also "uncheck" export or set locale in terminal settings (OSX) /etc/profile
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
IF your array is sorted and is very large, this is a much faster solution:
def find_nearest(array,value):
idx = np.searchsorted(array, value, side="left")
if idx > 0 and (idx == len(array) or math.fabs(value - array[idx-1]) < math.fabs(value - array[idx])):
return array[idx-1]
else:
return array[idx]
This scales to very large arrays. You can easily modify the above to sort in the method if you can't assume that the array is already sorted. It’s overkill for small arrays, but once they get large this is much faster.
If anybody is still looking for this, this is how it worked for me.
You need to find the IP of your machine with respect to the device/emulator you are connected. For Emulators on of the way is by following below steps;
Provide this IP to access the localhost from emulator. The Port is same as you have provided while running/publishing your services.
Note #1 : Make sure you have taken care of firewalls and inbound rules.
Note #2 : Please check this IP after you restart your machine. For some reason, even If I provided "Use the following IP" The Host-Only IP got changed.
javap
to read the bytecodeThe javap
command takes class-names without the .class
extension. Try
javap -c ClassName
javap
will however not give you the implementations of the methods in java-syntax. It will at most give it to you in JVM bytecode format.
To actually decompile (i.e., do the reverse of javac
) you will have to use proper decompiler. See for instance the following related question:
This would also happen when you are trying to restore a newer version backup in a older SQL database. For example when you try to restore a DB backup that is created in 2012 with 110 compatibility and you are trying to restore it in 2008 R2.
Remote pick directory path should be the exact path on the ftp server you are tryng to access.. here is the script to download files from the server.. you can add or modify with SSLMode..
#ftp server
$ftp = "ftp://example.com/"
$user = "XX"
$pass = "XXX"
$SetType = "bin"
$remotePickupDir = Get-ChildItem 'c:\test' -recurse
$webclient = New-Object System.Net.WebClient
$webclient.Credentials = New-Object System.Net.NetworkCredential($user,$pass)
foreach($item in $remotePickupDir){
$uri = New-Object System.Uri($ftp+$item.Name)
#$webclient.UploadFile($uri,$item.FullName)
$webclient.DownloadFile($uri,$item.FullName)
}
There are several ways to do this:
You can use the InStr
build-in function to test if a String contains a substring. InStr
will either return the index of the first match, or 0. So you can test if a String begins with a substring by doing the following:
If InStr(1, "Hello World", "Hello W") = 1 Then
MsgBox "Yep, this string begins with Hello W!"
End If
If InStr
returns 1
, then the String ("Hello World"), begins with the substring ("Hello W").
You can also use the like
comparison operator along with some basic pattern matching:
If "Hello World" Like "Hello W*" Then
MsgBox "Yep, this string begins with Hello W!"
End If
In this, we use an asterisk (*) to test if the String begins with our substring.
From the pthread function prototype:
int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine)(void*), void *arg);
The function passed to pthread_create must have a prototype of
void* name(void *arg)
Why not use an object1?
var dict = { "a": 1, "b": 2, "c": 3 };
Then you can update it like so
dict.a = 23;
or
dict["a"] = 23;
If you wan't to delete2 a particular key, it's as simple as:
delete dict.a;
1 See Objects vs arrays in Javascript for key/value pairs.
2 See the delete
operator.
I find that when I can't conceptually grasp something, thinking about why one would use X is helpful to understand X. (Not to say you haven't tried that, I'm just setting the stage.)
[stuff you know]A common way to classify algorithms is by runtime, and by citing the big-Oh complexity of an algorithm, you can get a pretty good estimation of which one is "better" -- whichever has the "smallest" function in the O! Even in the real world, O(N) is "better" than O(N²), barring silly things like super-massive constants and the like.[/stuff you know]
Let's say there's some algorithm that runs in O(N). Pretty good, huh? But let's say you (you brilliant person, you) come up with an algorithm that runs in O(N⁄loglogloglogN). YAY! Its faster! But you'd feel silly writing that over and over again when you're writing your thesis. So you write it once, and you can say "In this paper, I have proven that algorithm X, previously computable in time O(N), is in fact computable in o(n)."
Thus, everyone knows that your algorithm is faster --- by how much is unclear, but they know its faster. Theoretically. :)
Try this way,hope this will help you to solve your problem.
main.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center">
<WebView
android:id="@+id/webView"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
MyActivity.java
public class MyActivity extends Activity {
private WebView webView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
webView = (WebView) findViewById(R.id.webView);
webView.loadData("<a href=\"tel:+1800229933\">Call us free!</a>", "text/html", "utf-8");
}
}
Please add this permission in AndroidManifest.xml
<uses-permission android:name="android.permission.CALL_PHONE"/>
atop also works well and installs easily even on older CentOS 5.x systems which can't run iotop. Hit d
to show disk details, ?
for help.
ATOP - mybox 2014/09/08 15:26:00 ------ 10s elapsed
PRC | sys 0.33s | user 1.08s | | #proc 161 | #zombie 0 | clones 31 | | #exit 16 |
CPU | sys 4% | user 11% | irq 0% | idle 306% | wait 79% | | steal 1% | guest 0% |
cpu | sys 2% | user 8% | irq 0% | idle 11% | cpu000 w 78% | | steal 0% | guest 0% |
cpu | sys 1% | user 1% | irq 0% | idle 98% | cpu001 w 0% | | steal 0% | guest 0% |
cpu | sys 1% | user 1% | irq 0% | idle 99% | cpu003 w 0% | | steal 0% | guest 0% |
cpu | sys 0% | user 1% | irq 0% | idle 99% | cpu002 w 0% | | steal 0% | guest 0% |
CPL | avg1 2.09 | avg5 2.09 | avg15 2.09 | | csw 54184 | intr 33581 | | numcpu 4 |
MEM | tot 8.0G | free 81.9M | cache 2.9G | dirty 0.8M | buff 174.7M | slab 305.0M | | |
SWP | tot 2.0G | free 2.0G | | | | | vmcom 8.4G | vmlim 6.0G |
LVM | Group00-root | busy 85% | read 0 | write 30658 | KiB/w 4 | MBr/s 0.00 | MBw/s 11.98 | avio 0.28 ms |
DSK | xvdb | busy 85% | read 0 | write 23706 | KiB/w 5 | MBr/s 0.00 | MBw/s 11.97 | avio 0.36 ms |
NET | transport | tcpi 2705 | tcpo 2008 | udpi 36 | udpo 43 | tcpao 14 | tcppo 45 | tcprs 1 |
NET | network | ipi 2788 | ipo 2072 | ipfrw 0 | deliv 2768 | | icmpi 7 | icmpo 20 |
NET | eth0 ---- | pcki 2344 | pcko 1623 | si 1455 Kbps | so 781 Kbps | erri 0 | erro 0 | drpo 0 |
NET | lo ---- | pcki 423 | pcko 423 | si 88 Kbps | so 88 Kbps | erri 0 | erro 0 | drpo 0 |
NET | eth1 ---- | pcki 22 | pcko 26 | si 3 Kbps | so 5 Kbps | erri 0 | erro 0 | drpo 0 |
PID RDDSK WRDSK WCANCL DSK CMD 1/1
9862 0K 53124K 0K 98% java
358 0K 636K 0K 1% jbd2/dm-0-8
13893 0K 192K 72K 0% java
1699 0K 60K 0K 0% syslogd
4668 0K 24K 0K 0% zabbix_agentd
This clearly shows java pid 9862 is the culprit.
p = subprocess.Popen(command,
bufsize=0,
universal_newlines=True)
I am writing a GUI for rsync in python, and have the same probelms. This problem has troubled me for several days until i find this in pyDoc.
If universal_newlines is True, the file objects stdout and stderr are opened as text files in universal newlines mode. Lines may be terminated by any of '\n', the Unix end-of-line convention, '\r', the old Macintosh convention or '\r\n', the Windows convention. All of these external representations are seen as '\n' by the Python program.
It seems that rsync will output '\r' when translate is going on.
Suppose you store float value in "X"
and you are storing integer value in "Y"
.
Var Y = Int(x);
or
var myIntValue = Int(myFloatValue)
If the above solutions don't work on ubuntu/linux then you can try this
sudo fuser -k -n tcp port
Run it several times to kill processes on your port of choosing. port could be 3000 for example. You would have killed all the processes if you see no output after running the command
Board.setPreferredSize(new Dimension(x, y));
.
.
//Main.add(Board, BorderLayout.CENTER);
Main.add(Board, BorderLayout.CENTER);
Main.setLocations(x, y);
Main.pack();
Main.setVisible(true);
Bulk imports seems to perform best if you can chunk your INSERT/UPDATE statements. A value of 10,000 or so has worked well for me on a table with only a few rows, YMMV...
You can try something like this I guess:
new_str = ""
str_value = "rojbasr"
for i in str_value:
new_str += "0x%s " % (i.encode('hex'))
print new_str
Your output would be something like this:
0x72 0x6f 0x6a 0x62 0x61 0x73 0x72
dietbuddha has a nice answer. In cases where you don't have a MINUS or EXCEPT, one option is to do a union all between the tables, group by with all the columns and make sure there is two of everything:
SELECT col1, col2, col3
FROM
(SELECT * FROM tableA
UNION ALL
SELECT * FROM tableB) data
GROUP BY col1, col2, col3
HAVING count(*)!=2
You are looking for the insert
function, found in the table
section of the main library.
foo = {}
table.insert(foo, "bar")
table.insert(foo, "baz")
Using an auxiliary Spannable Class as Android String Resources shares at the bottom of the webpage. You can approach this by creatingCharSquences
and giving them a style.
But in the example they give us, is just for bold, italic, and even colorize text. I needed to wrap several styles in aCharSequence
in order to set them in a TextView
. So to that Class (I named it CharSequenceStyles
) I just added this function.
public static CharSequence applyGroup(LinkedList<CharSequence> content){
SpannableStringBuilder text = new SpannableStringBuilder();
for (CharSequence item : content) {
text.append(item);
}
return text;
}
And in the view I added this.
message.push(postMessageText);
message.push(limitDebtAmount);
message.push(pretMessageText);
TextView.setText(CharSequenceStyles.applyGroup(message));
I hope this help you!
<div id="image">Example to have Background Image</div>
We need to Add the below content in Style tag:
.image {
background-image: url('C:\Users\ajai\Desktop\10.jpg');
}
It's plain and simple.
span
does not affect the layout because it's inline(in line
(one should not confuse because things could be wrapped))div
affects the layout, the content inside appears in the new line(block element
), when the element you wanna add has no special semantic meaning and you want it to appear in new line use <div>
.Try:
float x = (float)rand()/(float)(RAND_MAX/a);
To understand how this works consider the following.
N = a random value in [0..RAND_MAX] inclusively.
The above equation (removing the casts for clarity) becomes:
N/(RAND_MAX/a)
But division by a fraction is the equivalent to multiplying by said fraction's reciprocal, so this is equivalent to:
N * (a/RAND_MAX)
which can be rewritten as:
a * (N/RAND_MAX)
Considering N/RAND_MAX
is always a floating point value between 0.0 and 1.0, this will generate a value between 0.0 and a
.
Alternatively, you can use the following, which effectively does the breakdown I showed above. I actually prefer this simply because it is clearer what is actually going on (to me, anyway):
float x = ((float)rand()/(float)(RAND_MAX)) * a;
Note: the floating point representation of a
must be exact or this will never hit your absolute edge case of a
(it will get close). See this article for the gritty details about why.
Sample
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(int argc, char *argv[])
{
srand((unsigned int)time(NULL));
float a = 5.0;
for (int i=0;i<20;i++)
printf("%f\n", ((float)rand()/(float)(RAND_MAX)) * a);
return 0;
}
Output
1.625741
3.832026
4.853078
0.687247
0.568085
2.810053
3.561830
3.674827
2.814782
3.047727
3.154944
0.141873
4.464814
0.124696
0.766487
2.349450
2.201889
2.148071
2.624953
2.578719
For casting varchar fields/values to number format can be little hack used:
SELECT (`PROD_CODE` * 1) AS `PROD_CODE` FROM PRODUCT`
Here is the example:
var charCode = "a".charCodeAt(0);_x000D_
console.log(charCode);
_x000D_
Or if you have longer strings:
var string = "Some string";_x000D_
_x000D_
for (var i = 0; i < string.length; i++) {_x000D_
console.log(string.charCodeAt(i));_x000D_
}
_x000D_
String.charCodeAt(x)
method will return ASCII character code at a given position.
As of 2017 it's a functionality included in GitHub itself.
The example search used by them is repo:torvalds/linux merge:false crypto policy
GIF image from https://github.com/blog/2299-search-commit-messages
<script type="text/javascript">
if(screen.width <= 699){
<?php $screen = 'mobile';?>
}else{
<?php $screen = 'default';?>
}
</script>
<?php echo $screen; ?>
You should try this way. It will definitely work.
(function() {
var app = angular.module('myApp', []);
app.controller('myController', ['$scope', function($scope) {
$scope.myText = "Object Push inside ";
$scope.arrayText = [
];
$scope.addText = function() {
$scope.arrayText.push(this.myText);
}
}]);
})();
In your case $scope.arrayText
is an object. You should initialize as a array.
I found the answer.
You can configure IE8 to display application/json in the browser window by updating the registry. There's no need for an external tool. I haven't tested this broadly, but it works with IE8 on Vista.
To use this, remember, all the usual caveats about updating the registry apply. Stop IE. Then, cut and paste the following into a file, by the name of json-ie.reg
.
Windows Registry Editor Version 5.00
;
; Tell IE to open JSON documents in the browser.
; 25336920-03F9-11cf-8FD0-00AA00686F13 is the CLSID for the "Browse in place" .
;
[HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/json]
"CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
"Encoding"=hex:08,00,00,00
[HKEY_CLASSES_ROOT\MIME\Database\Content Type\text/json]
"CLSID"="{25336920-03F9-11cf-8FD0-00AA00686F13}"
"Encoding"=hex:08,00,00,00
Then double-click the .reg file. Restart IE. The new behavior you get when tickling a URL that returns a doc with Content-Type: application/json
or Content-Type: text/json
is like this:
What it does, why it works:
The 25336920-03F9-11cf-8FD0-00AA00686F13
is the CLSID for the "Browse in place" action. Basically this registry entry is telling IE that for docs that have a mime type of application/json, just view it in place. This won't affect any application/json documents downloaded via <script>
tags, or via XHR, and so on.
The CLSID and Encoding keys get the same values used for image/gif
, image/jpeg
, and text/html
.
This hint came from this site, and from Microsoft's article Handling MIME Types in Internet Explorer .
In FF, you don't need an external add-on either. You can just use the view-source:
pseudo-protocol. Enter a URL like this into the address bar:
view-source:http://myserver/MyUrl/That/emits/Application/json
This pseudo-protocol used to be supported in IE, also, until WinXP-sp2, when Microsoft disabled it for security reasons.
In short:
JWT vs Cookie Auth
| | Cookie | JWT |
| Stateless | No | Yes |
| Cross domain usage | No | Yes |
| Mobile ready | No | Yes |
| Performance | Low | High (no need in request to DB) |
| Add to request | Automatically | Manually (if not in cookie) |
By design, getRequestURL()
gives you the full URL, missing only the query string.
In HttpServletRequest
, you can get individual parts of the URI using the methods below:
// Example: http://myhost:8080/people?lastname=Fox&age=30
String uri = request.getScheme() + "://" + // "http" + "://
request.getServerName() + // "myhost"
":" + // ":"
request.getServerPort() + // "8080"
request.getRequestURI() + // "/people"
"?" + // "?"
request.getQueryString(); // "lastname=Fox&age=30"
.getScheme()
will give you "https"
if it was a https://domain
request..getServerName()
gives domain
on http(s)://domain
..getServerPort()
will give you the port.String uri = request.getScheme() + "://" +
request.getServerName() +
("http".equals(request.getScheme()) && request.getServerPort() == 80 || "https".equals(request.getScheme()) && request.getServerPort() == 443 ? "" : ":" + request.getServerPort() ) +
request.getRequestURI() +
(request.getQueryString() != null ? "?" + request.getQueryString() : "");
This snippet above will get the full URI, hiding the port if the default one was used, and not adding the "?"
and the query string if the latter was not provided.
Note, that if your request passes through a proxy, you need to look at the X-Forwarded-Proto
header since the scheme might be altered:
request.getHeader("X-Forwarded-Proto")
Also, a common header is X-Forwarded-For
, which show the original request IP instead of the proxys IP.
request.getHeader("X-Forwarded-For")
If you are responsible for the configuration of the proxy/load balancer yourself, you need to ensure that these headers are set upon forwarding.
try this
Calendar c = Calendar.getInstance();
int mseconds = c.get(Calendar.MILLISECOND)
an alternative would be
Calendar rightNow = Calendar.getInstance();
long offset = rightNow.get(Calendar.ZONE_OFFSET) +
rightNow.get(Calendar.DST_OFFSET);
long sinceMid = (rightNow.getTimeInMils() + offset) %
(24 * 60 * 60 * 1000);
System.out.println(sinceMid + " milliseconds since midnight");
You would use data validation for this. Click in the cell you want to have a multiple drop down > DATA > Validation > Criteria (List from a Range) - here you select form a list of items you want in the drop down. And .. you are good. I have included an example to reference.
The standard way to import AAR file in an application is given in https://developer.android.com/studio/projects/android-library.html#AddDependency
Click File > New > New Module. Click Import .JAR/.AAR Package then click Next. Enter the location of the compiled AAR or JAR file then click Finish.
Please refer the link above for next steps.
For length including white-space:
$("#id").val().length
For length without white-space:
$("#id").val().replace(/ /g,'').length
For removing only beginning and trailing white-space:
$.trim($("#test").val()).length
For example, the string " t e s t "
would evaluate as:
//" t e s t "
$("#id").val();
//Example 1
$("#id").val().length; //Returns 9
//Example 2
$("#id").val().replace(/ /g,'').length; //Returns 4
//Example 3
$.trim($("#test").val()).length; //Returns 7
Here is a demo using all of them.
If the answers already posted didn't help, one can try with $location.search().myParam; with URLs http://example.domain#?myParam=paramValue
Just pass parameter
like
body - The content(query) from the customer
subject - subject that defined in mail subject
username - nothing name anything
mail - mail (required)
public static bool SendMail(String body, String subject, string username, String mail)
{
bool isSendSuccess = false;
try
{
var fromEmailAddress = ConfigurationManager.AppSettings["FromEmailAddress"].ToString();
var fromEmailDisplayName = ConfigurationManager.AppSettings["FromEmailDisplayName"].ToString();
var fromEmailPassword = ConfigurationManager.AppSettings["FromEmailPassword"].ToString();
var smtpHost = ConfigurationManager.AppSettings["SMTPHost"].ToString();
var smtpPort = ConfigurationManager.AppSettings["SMTPPort"].ToString();
MailMessage message = new MailMessage(new MailAddress(fromEmailAddress, fromEmailDisplayName),
new MailAddress(mail, username));
message.Subject = subject;
message.IsBodyHtml = true;
message.Body = body;
var client = new SmtpClient();
client.UseDefaultCredentials = false;
client.Credentials = new NetworkCredential(fromEmailAddress, fromEmailPassword);
client.Host = smtpHost;
client.EnableSsl = false;
client.Port = !string.IsNullOrEmpty(smtpPort) ? Convert.ToInt32(smtpPort) : 0;
client.Send(message);
isSendSuccess = true;
}
catch (Exception ex)
{
throw (new Exception("Mail send failed to loginId " + mail + ", though registration done."+ex.ToString()+"\n"+ex.StackTrace));
}
return isSendSuccess;
}
if your using go daddy server this work . add this in web.config
<appSettings>
---other ---setting
<add key="FromEmailAddress" value="[email protected]" />
<add key="FromEmailDisplayName" value="anyname" />
<add key="FromEmailPassword" value="mypassword@" />
<add key="SMTPHost" value="relay-hosting.secureserver.net" />
<add key="SMTPPort" value="25" />
</appSettings>
if you are using localhost or vps server change this configuration to this
<appSettings>
---other ---setting
<add key="FromEmailAddress" value="[email protected]" />
<add key="FromEmailDisplayName" value="anyname" />
<add key="FromEmailPassword" value="mypassword@" />
<add key="SMTPHost" value="smtp.gmail.com" />
<add key="SMTPPort" value="587" />
</appSettings>
change the code
client.EnableSsl = true;
if your are using gmail please enable secure app. using this link https://myaccount.google.com/lesssecureapps?pli=1&rapt=AEjHL4Pd6h3XxE663Flvd-FfeRXxW_eNrIsGTBlZklgkAHZEeuHvheCQuZ1-djB9uIWaB-2EV7hyLCU0dWKA7D0JzYKe4ZRkuA