For those wanting a simple solution without jQuery, here's a way.
textarea and message container to put in your form:
<textarea onKeyUp="count_it()" id="text" name="text"></textarea>
Length <span id="counter"></span>
JavaScript:
<script>
function count_it() {
document.getElementById('counter').innerHTML = document.getElementById('text').value.length;
}
count_it();
</script>
The script counts the characters initially and then for every keystroke and puts the number in the counter span.
Martin
returning true or false indicates that whether execution should continue or stop right there. So just an example
<input type="button" onclick="return func();" />
Now if func() is defined like this
function func()
{
// do something
return false;
}
the click event will never get executed. On the contrary if return true is written then the click event will always be executed.
<HTML>
<HEAD>
<TITLE>Sum</TITLE>
<script type="text/javascript">
function sum()
{
var num1 = document.myform.number1.value;
var num2 = document.myform.number2.value;
var sum = parseInt(num1) + parseInt(num2);
document.getElementById('add').value = sum;
}
</script>
</HEAD>
<BODY>
<FORM NAME="myform">
<INPUT TYPE="text" NAME="number1" VALUE=""/> +
<INPUT TYPE="text" NAME="number2" VALUE=""/>
<INPUT TYPE="button" NAME="button" Value="=" onClick="sum()"/>
<INPUT TYPE="text" ID="add" NAME="result" VALUE=""/>
</FORM>
</BODY>
</HTML>
This should work properly. 1. use .value instead of "innerHTML" when setting the 3rd field (input field) 2. Close the input tags
you could do similar to what facebook does, just add padding around. It is not as good as one could wish but looks reasonably well.
I know this doesn't use flexbox, but for the simple use-case of three items (one at left, one at center, one at right), this can be accomplished easily using display: grid
on the parent, grid-area: 1/1/1/1;
on the children, and justify-self
for positioning of those children.
<div style="border: 1px solid red; display: grid; width: 100px; height: 25px;">_x000D_
<div style="border: 1px solid blue; width: 25px; grid-area: 1/1/1/1; justify-self: left;"></div>_x000D_
<div style="border: 1px solid blue; width: 25px; grid-area: 1/1/1/1; justify-self: center;"></div>_x000D_
<div style="border: 1px solid blue; width: 25px; grid-area: 1/1/1/1; justify-self: right;"></div>_x000D_
</div>
_x000D_
There are three ways to keep the model in sync.
Delete the modified tables from the designer, and drag them back onto the designer surface from the Database Explorer. I have found that, for this to work reliably, you have to:
a. Refresh the database schema in the Database Explorer (right-click, refresh)
b. Save the designer after deleting the tables
c. Save again after dragging the tables back.
Note though that if you have modified any properties (for instance, turning off the child property of an association), this will obviously lose those modifications — you'll have to make them again.
Use SQLMetal to regenerate the schema from your database. I have seen a number of blog posts that show how to script this.
Make changes directly in the Properties pane of the DBML. This works for simple changes, like allowing nulls on a field.
The DBML designer is not installed by default in Visual Studio 2015, 2017 or 2019. You will have to close VS, start the VS installer and modify your installation. The LINQ to SQL tools is the feature you must install. For VS 2017/2019, you can find it under Individual Components > Code Tools.
I solved the problem by changing the compileSdkVersion
in the Gradle.build file from 18 to 17.
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.5.+'
}
}
apply plugin: 'android'
repositories {
mavenCentral()
}
android {
compileSdkVersion 17
buildToolsVersion "17.0.0"
defaultConfig {
minSdkVersion 10
targetSdkVersion 18
}
}
dependencies {
compile 'com.android.support:support-v4:13.0.+'
}
Just wanted to mention, that you also may have to set the https_proxy
OS environment variable in case https URLs need to be accessed.
In my case it was not obvious to me and I tried for hours to discover this.
My use case: Win 7, jython-standalone-2.5.3.jar, setuptools installation via ez_setup.py
I see that this topic is almost 6 years old, and we now have new version of Visual studio but I will reply anyway. I had that order problem in Visual Studio 19 and I figured it out by adding capital letter (you can also add small letter) in front of your method name and in alphabetical order like this:
[TestMethod]
public void AName1()
{}
[TestMethod]
public void BName2()
{}
And so on. I know that this doesn't look appealing, but it looks like Visual is sorting your tests in test explorer in alphabetical order, doesn't matter how you write it in your code. Playlist didn't work for me in this case.
Hope that this will help.
What i suggest is , its better to use post than get. here are some difference between post VS get
Some notes on GET requests:
Some notes on POST requests:
HTML Code
<html>
<head></head>
<body>
<form action="output.php" method="post">
Red<input type="checkbox" name="color[]" id="color" value="red">
Green<input type="checkbox" name="color[]" id="color" value="green">
Blue<input type="checkbox" name="color[]" id="color" value="blue">
Cyan<input type="checkbox" name="color[]" id="color" value="cyan">
Magenta<input type="checkbox" name="color[]" id="color" value="Magenta">
Yellow<input type="checkbox" name="color[]" id="color" value="yellow">
Black<input type="checkbox" name="color[]" id="color" value="black">
<input type="submit" value="submit">
</form>
<body>
</html>
PHP code
<?php
if(isset($_POST['color'])) {
$name = $_POST['color'];
echo "You chose the following color(s): <br>";
foreach ($name as $color){
echo $color."<br />";
}} // end brace for if(isset
else {
echo "You did not choose a color.";
}
?>
I defined an alias, workoff, as the opposite of workon:
alias workoff='deactivate'
It is easy to remember:
[bobstein@host ~]$ workon django_project
(django_project)[bobstein@host ~]$ workoff
[bobstein@host ~]$
In addition to others' suggestions you can get CSRF token errors if your session storage is not working.
In a recent case a colleague of mine changed 'session_prefix' to a value that had a space in it.
session_prefix: 'My Website'
This broke session storage, which in turn meant my form could not obtain the CSRF token from the session.
/*-------- Bootstrap Modal Popup in Center of Screen --------------*/
/*---------------extra css------*/
.modal {
text-align: center;
padding: 0 !important;
}
.modal:before {
content: '';
display: inline-block;
height: 100%;
vertical-align: middle;
margin-right: -4px;
}
.modal-dialog {
display: inline-block;
text-align: left;
vertical-align: middle;
}
/*----- Modal Popup -------*/
<div class="modal fade" role="dialog">
<div class="modal-dialog" >
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
<h5 class="modal-title">Header</h5>
</div>
<div class="modal-body">
body here
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
A makefile task example for new 2.0.0 tasks.json version.
In the snippet below some comments I hope they will be useful.
{
"version": "2.0.0",
"tasks": [
{
"label": "<TASK_NAME>",
"type": "shell",
"command": "make",
// use options.cwd property if the Makefile is not in the project root ${workspaceRoot} dir
"options": {
"cwd": "${workspaceRoot}/<DIR_WITH_MAKEFILE>"
},
// start the build without prompting for task selection, use "group": "build" otherwise
"group": {
"kind": "build",
"isDefault": true
},
"presentation": {
"echo": true,
"reveal": "always",
"focus": false,
"panel": "shared"
},
// arg passing example: in this case is executed make QUIET=0
"args": ["QUIET=0"],
// Use the standard less compilation problem matcher.
"problemMatcher": {
"owner": "cpp",
"fileLocation": ["absolute"],
"pattern": {
"regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
"file": 1,
"line": 2,
"column": 3,
"severity": 4,
"message": 5
}
}
}
]
}
I think the question asker is (was) thinking that git bash is a command like git init or git checkout. Git bash is not a command, it is an interface. I will also assume the asker is not a linux user because bash is very popular the unix/linux world. The name "bash" is an acronym for "Bourne Again SHell". Bash is a text-only command interface that has features which allow automated scripts to be run. A good analogy would be to compare bash to the new PowerShell interface in Windows7/8. A poor analogy (but one likely to be more readily understood by more people) is the combination of the command prompt and .BAT (batch) command files from the days of DOS and early versions of Windows.
REFERENCES:
It used to be a required part of a package (old, pre-3.3 "regular package", not newer 3.3+ "namespace package").
Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an
__init__.py
file. When a regular package is imported, this__init__.py
file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The__init__.py
file can contain the same Python code that any other module can contain, and Python will add some additional attributes to the module when it is imported.
But just click the link, it contains an example, more information, and an explanation of namespace packages, the kind of packages without __init__.py
.
Here is a Kotlin
method to make parts of a TextView
clickable:
private fun makeTextLink(textView: TextView, str: String, underlined: Boolean, color: Int?, action: (() -> Unit)? = null) {
val spannableString = SpannableString(textView.text)
val textColor = color ?: textView.currentTextColor
val clickableSpan = object : ClickableSpan() {
override fun onClick(textView: View) {
action?.invoke()
}
override fun updateDrawState(drawState: TextPaint) {
super.updateDrawState(drawState)
drawState.isUnderlineText = underlined
drawState.color = textColor
}
}
val index = spannableString.indexOf(str)
spannableString.setSpan(clickableSpan, index, index + str.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
textView.text = spannableString
textView.movementMethod = LinkMovementMethod.getInstance()
textView.highlightColor = Color.TRANSPARENT
}
It can be called multiple times to create several links within a TextView:
makeTextLink(myTextView, str, false, Color.RED, action = { Log.d("onClick", "link") })
makeTextLink(myTextView, str1, true, null, action = { Log.d("onClick", "link1") })
I had this issue when working on a Java Project in Debian 10 with Tomcat as the application server.
The issue was that the application already had https defined as it's default protocol while I was using http to call the application in the browser. So when I try running the application I get this error in my log file:
org.apache.coyote.http11.AbstractHttp11Processor process
INFO: Error parsing HTTP request header
Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
I however tried using the https protocol in the browser but it didn't connect throwing the error:
Here's how I solved it:
You need a certificate to setup the https protocol for the application. I first had to create a keystore file for the application, more like a self-signed certificate for the https protocol:
sudo keytool -genkey -keyalg RSA -alias tomcat -keystore /usr/share/tomcat.keystore
Note: You need to have Java installed on the server to be able to do this. Java can be installed using sudo apt install default-jdk
.
Next, I added a https Tomcat server connector for the application in the Tomcat server configuration file (/opt/tomcat/conf/server.xml
):
sudo nano /opt/tomcat/conf/server.xml
Add the following to the configuration of the application. Notice that the keystore file location and password are specified. Also a port for the https protocol is defined, which is different from the port for the http protocol:
<Connector protocol="org.apache.coyote.http11.Http11Protocol"
port="8443" maxThreads="200" scheme="https"
secure="true" SSLEnabled="true"
keystoreFile="/usr/share/tomcat.keystore"
keystorePass="my-password"
clientAuth="false" sslProtocol="TLS"
URIEncoding="UTF-8"
compression="force"
compressableMimeType="text/html,text/xml,text/plain,text/javascript,text/css"/>
So the full server configuration for the application looked liked this in the Tomcat server configuration file (/opt/tomcat/conf/server.xml
):
<Service name="my-application">
<Connector protocol="org.apache.coyote.http11.Http11Protocol"
port="8443" maxThreads="200" scheme="https"
secure="true" SSLEnabled="true"
keystoreFile="/usr/share/tomcat.keystore"
keystorePass="my-password"
clientAuth="false" sslProtocol="TLS"
URIEncoding="UTF-8"
compression="force"
compressableMimeType="text/html,text/xml,text/plain,text/javascript,text/css"/>
<Connector port="8009" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
<Engine name="my-application" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
prefix="localhost_access_log" suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" />
</Host>
</Engine>
</Service>
This time when I tried accessing the application from the browser using:
https://my-server-ip-address:https-port
In my case it was:
https:35.123.45.6:8443
it worked fine. Although, I had to accept a warning which added a security exception for the website since the certificate used is a self-signed one.
That's all.
I hope this helps
If you want that behavior for all commands in your script, just add
set -e
set -o pipefail
at the beginning of the script. This pair of options tell the bash interpreter to exit whenever a command returns with a non-zero exit code.
This does not allow you to print an exit message, though.
Blanket.js works perfect too.
npm install --save-dev blanket
in front of your test/tests.js
require('blanket')({
pattern: function (filename) {
return !/node_modules/.test(filename);
}
});
run mocha -R html-cov > coverage.html
What do you mean by impacts? Content will flow around a float. That's how they work.
If you want it to appear above your design, try setting:
z-index: 10;
position: absolute;
right: 0;
top: 0;
Though it is too late, I have found a better solution (that works for me) that will replace all consecutive same type white spaces with one white space of its type. That is:
Hello!\n\n\nMy World
will be
Hello!\nMy World
Notice there are still leading and trailing white spaces. So my complete solution is:
str = str.trim().replaceAll("(\\s)+", "$1"));
Here, trim()
replaces all leading and trailing white space strings with "". (\\s)
is for capturing \\s
(that is white spaces such as ' ', '\n', '\t') in group #1. +
sign is for matching 1 or more preceding token. So (\\s)+
can be consecutive characters (1 or more) among any single white space characters (' ', '\n' or '\t'). $1
is for replacing the matching strings with the group #1 string (which only contains 1 white space character) of the matching type (that is the single white space character which has matched). The above solution will change like this:
Hello!\n\n\nMy World
will be
Hello!\nMy World
I have not found my above solution here so I have posted it.
Change the bundle identifier to something more unique.
If you are following a tutorial and just put a generic identifier then adding a few numbers to the end will likely solve your issues.
i.e. if you had HelloWorld change it to HelloWorld12345
Your Action is expecting string parameters, but you're sending a composite object.
You need to create an object that matches what you're sending.
public class Data
{
public string username { get;set; }
public string password { get;set; }
}
public JsonResult Login(Data data)
{
}
EDIT
In addition, toStringify() is probably not what you want here. Just send the object itself.
data: data,
Your syntax is incorrect, you should pass the value as the second parameter:
jQuery(this).prev("li").attr("id","newId");
I faced the same basic problem: trying to combine the functionality of a textbox and a select box which are fundamentally different things in the html spec.
The good news is that selectize.js does exactly this:
Selectize is the hybrid of a textbox and box. It's jQuery-based and it's useful for tagging, contact lists, country selectors, and so on.
You can split date month year from current date as follows:
DateTime todaysDate = DateTime.Now.Date;
Day:
int day = todaysDate.Day;
Month:
int month = todaysDate.Month;
Year:
int year = todaysDate.Year;
If javacpl does not open and gives you Could not find the main class:, it could be that Java is confused because of changes in deployment.properties (can be found in C:\Users\<username>\AppData\LocalLow\Sun\Java\Deployment on Win7
). Delete that file and everything's fine.
This bug seems to be 6 years old, cf. An app should be able to ignore properties that have become obsolete over time, shouldn't it?
I was behind firewall|proxy
.
In my case with Studio, ERROR: Gradle sync failed
& Cannot find symbol
.
I have used
repositories {
jcenter(); // Points to HTTPS://jcenter.bintray.com
}
Replace it with http and maven
repositories {
maven { url "http://jcenter.bintray.com" }
}
That code isn't going to work, and it's not going to help you learn proper C++ if we fix it. It's better if you do something different. Raw arrays (especially multi-dimensional arrays) are difficult to pass correctly to and from functions. I think you'll be much better off starting with an object that represents an array but can be safely copied. Look up the documentation for std::vector
.
In your code, you could use vector<vector<int> >
or you could simulate a 2-D array with a 36-element vector<int>
.
Organizing your application using class make it easy to you and others who work with you to debug problems and improve the app easily.
You can easily organize your application like this:
class hello(Tk):
def __init__(self):
super(hello, self).__init__()
self.btn = Button(text = "Click me", command=close)
self.btn.pack()
def close():
self.destroy()
app = hello()
app.mainloop()
bottomline: if you are working offline with selects on large chunks of data, MyISAM will probably give you better (much better) speeds.
there are some situations when MyISAM is infinitely more efficient than InnoDB: when manipulating large data dumps offline (because of table lock).
example: I was converting a csv file (15M records) from NOAA which uses VARCHAR fields as keys. InnoDB was taking forever, even with large chunks of memory available.
this an example of the csv (first and third fields are keys).
USC00178998,20130101,TMAX,-22,,,7,0700
USC00178998,20130101,TMIN,-117,,,7,0700
USC00178998,20130101,TOBS,-28,,,7,0700
USC00178998,20130101,PRCP,0,T,,7,0700
USC00178998,20130101,SNOW,0,T,,7,
since what i need to do is run a batch offline update of observed weather phenomena, i use MyISAM table for receiving data and run JOINS on the keys so that i can clean the incoming file and replace VARCHAR fields with INT keys (which are related to external tables where the original VARCHAR values are stored).
A bin file is just the bits and bytes that go into the rom or a particular address from which you will run the program. You can take this data and load it directly as is, you need to know what the base address is though as that is normally not in there.
An elf file contains the bin information but it is surrounded by lots of other information, possible debug info, symbols, can distinguish code from data within the binary. Allows for more than one chunk of binary data (when you dump one of these to a bin you get one big bin file with fill data to pad it to the next block). Tells you how much binary you have and how much bss data is there that wants to be initialised to zeros (gnu tools have problems creating bin files correctly).
The elf file format is a standard, arm publishes its enhancements/variations on the standard. I recommend everyone writes an elf parsing program to understand what is in there, dont bother with a library, it is quite simple to just use the information and structures in the spec. Helps to overcome gnu problems in general creating .bin files as well as debugging linker scripts and other things that can help to mess up your bin or elf output.
Using begin and end seemed to work for me to select a range of elements. This gives me three separate lists. The first list with items 1-9, second list with items 10-18, and the last list with items 11-25.
<ul>
<c:forEach items="${actionBean.top25Teams}" begin="0" end="8" var="team" varStatus="counter">
<li>${team.name}</li>
</c:forEach>
</ul>
<ul>
<c:forEach items="${actionBean.top25Teams}" begin="9" end="17" var="team" varStatus="counter">
<li>${team.name}</li>
</c:forEach>
</ul>
<ul>
<c:forEach items="${actionBean.top25Teams}" begin="18" end="25" var="team" varStatus="counter">
<li>${team.name}</li>
</c:forEach>
</ul>
You can use do it like this:
import matplotlib.pyplot as plt
import pandas as pd
plt.figure()
values = [[1, 2], [2, 5]]
df2 = pd.DataFrame(values, columns=['Type A', 'Type B'],
index=['Index 1', 'Index 2'])
df2.plot(lw=2, colormap='jet', marker='.', markersize=10,
title='Video streaming dropout by category')
plt.xlabel('xlabel')
plt.ylabel('ylabel')
plt.show()
Obviously you have to replace the strings 'xlabel' and 'ylabel' with what you want them to be.
They're actually the same. There's one difference I can see. With Application class you can initialize your variables in Application.onCreate() and destroy them in Application.onTerminate(). With singleton you have to rely VM initializing and destroying statics.
For more completeness..
ls -l | (for ((x=0;x<2;x++)) ; do read ; done ; head -n1)
Throw away lines until you get to the second, then print out the first line after that. So, it prints the 3rd line.
If it's just the second line..
ls -l | (read; head -n1)
Put as many 'read's as necessary.
if you already know your folder is: E:\ftproot\sales then you do not need to use Server.MapPath, this last one is needed if you only have a relative virtual path like ~/folder/folder1 and you want to know the real path in the disk...
In Java there isn't Null values for primitive Data types. If you need to check Null use Integer Class instead of primitive type. You don't need to worry about data type difference. Java converts int primitive type data to Integer. When concerning about the memory Integer takes more memory than int. But the difference of memory allocation, nothing to be considered.
In this case you must use Inter instead of int
Try below snippet and see example for more info,
Integer id;
String name;
//Refer this example
Integer val = 0;
`
if (val != null){
System.out.println("value is not null");
}
`
Also you can assign Null as below,
val = null;
You can use the function toprettyxml()
from xml.dom.minidom
in order to do that:
def prettify(elem):
"""Return a pretty-printed XML string for the Element.
"""
rough_string = ElementTree.tostring(elem, 'utf-8')
reparsed = minidom.parseString(rough_string)
return reparsed.toprettyxml(indent="\t")
The idea is to print your Element
in a string, parse it using minidom and convert it again in XML using the toprettyxml
function.
Source: http://pymotw.com/2/xml/etree/ElementTree/create.html
There isn't currently a built-in PowerShell method for doing the SFTP part. You'll have to use something like psftp.exe or a PowerShell module like Posh-SSH.
Here is an example using Posh-SSH:
# Set the credentials
$Password = ConvertTo-SecureString 'Password1' -AsPlainText -Force
$Credential = New-Object System.Management.Automation.PSCredential ('root', $Password)
# Set local file path, SFTP path, and the backup location path which I assume is an SMB path
$FilePath = "C:\FileDump\test.txt"
$SftpPath = '/Outbox'
$SmbPath = '\\filer01\Backup'
# Set the IP of the SFTP server
$SftpIp = '10.209.26.105'
# Load the Posh-SSH module
Import-Module C:\Temp\Posh-SSH
# Establish the SFTP connection
$ThisSession = New-SFTPSession -ComputerName $SftpIp -Credential $Credential
# Upload the file to the SFTP path
Set-SFTPFile -SessionId ($ThisSession).SessionId -LocalFile $FilePath -RemotePath $SftpPath
#Disconnect all SFTP Sessions
Get-SFTPSession | % { Remove-SFTPSession -SessionId ($_.SessionId) }
# Copy the file to the SMB location
Copy-Item -Path $FilePath -Destination $SmbPath
Some additional notes:
That should give you a decent starting point.
You could have probably concluded your question after the second paragraph, rather than calling people "insane" simply because they have a different viewpoint than you do and otherwise trying to mock professionals who may have a very good reason for feeling the way that they do.
As to your question, while there are certainly situations where a cursor may be called for, in my experience developers decide that a cursor "must" be used FAR more often than is actually the case. The chance of someone erring on the side of too much use of cursors vs. not using them when they should is MUCH higher in my opinion.
Recently I came across a very similar problem. Just wanted to share our solution with you all. I wanted to I created an instance of a Car<CarA>
from a json object using which had an enum:
Dictionary<MyEnum, Type> mapper = new Dictionary<MyEnum, Type>();
mapper.Add(1, typeof(CarA));
mapper.Add(2, typeof(BarB));
public class Car<T> where T : class
{
public T Detail { get; set; }
public Car(T data)
{
Detail = data;
}
}
public class CarA
{
public int PropA { get; set; }
public CarA(){}
}
public class CarB
{
public int PropB { get; set; }
public CarB(){}
}
var jsonObj = {"Type":"1","PropA":"10"}
MyEnum t = GetTypeOfCar(jsonObj);
Type objectT = mapper[t]
Type genericType = typeof(Car<>);
Type carTypeWithGenerics = genericType.MakeGenericType(objectT);
Activator.CreateInstance(carTypeWithGenerics , new Object[] { JsonConvert.DeserializeObject(jsonObj, objectT) });
Suppose we have this dummy collection:
{ "_id" : ObjectId("5ea53fedaa79db20d4e14284"), "item" : "planner", "qty" : 75 }
simply use:
db.inventory.deleteOne({ _id: ObjectId("5ea53fedaa79db20d4e14284") })
it will be deleted with this as a response:
{ "acknowledged" : true, "deletedCount" : 1 }
Thats it.
To return a value from a VBScript function, assign the value to the name of the function, like this:
Function getNumber
getNumber = "423"
End Function
here's for SQL server, Oracle, PostgreSQL
which support window functions.
SELECT ROW_NUMBER() OVER (ORDER BY first_name, last_name) Sequence_no,
first_name,
last_name
FROM tableName
Example to recieve it through a request:
a) http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.historical
OR
b) http://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.quotes
process.stdin.pipe(process.stdout);
Well, despite of this entry being very old. I was using bootstrap's modal this week and came along this "issue". My solution was somehow a mix of everything, just posting it as it may help someone :)
First check the Z-index war to get a fix there!
The first thing you can do is deactivate the modal backdrop, I had the Stackoverflow post before but I lost it, so I wont take the credit for it, keep that in mind; but it goes like this in the HTML code:
<!-- from the bootstrap's docs -->_x000D_
<div class="modal fade" tabindex="-1" role="dialog" data-backdrop="false">_x000D_
<!-- mind the data-backdrop="false" -->_x000D_
<div class="modal-dialog" role="document">_x000D_
<!-- ... modal content -->_x000D_
</div>_x000D_
</div>
_x000D_
The second approach was to have an event listener attached to the bootstrap's shown modal event. This is somehow not so pretty as you may think but maybe with some tricks by your own may somehow work. The advantage of this is that the element attaches the event listener and you can completely forget about it as long as you have the event listener attached :)
var element = $('selector-to-your-modal');_x000D_
_x000D_
// also taken from bootstrap 3 docs_x000D_
$(element).on('shown.bs.modal', function(e) {_x000D_
// keep in mind this only works as long as Bootstrap only supports 1 modal at a time, which is the case in Bootstrap 3 so far..._x000D_
var backDrop = $('.modal-backdrop');_x000D_
$(element).append($(backDrop));_x000D_
});
_x000D_
The second.1 approach is basically the same than the previous but without the event listener.
Hope it helps someone!
I found on the sqlite documentation (https://www.sqlite.org/lang_datefunc.html) this text:
Compute the date and time given a unix timestamp 1092941466, and compensate for your local timezone.
SELECT datetime(1092941466, 'unixepoch', 'localtime');
That didn't look like it fit my needs, so I tried changing the "datetime" function around a bit, and wound up with this:
select datetime(timestamp, 'localtime')
That seems to work - is that the correct way to convert for your timezone, or is there a better way to do this?
Adding dependencies didn't fix the issue at my end.
The issue was happening at my end because of "additional" fields that are part of the "@Entity" class and don't exist in the database.
I removed the additional fields from the @Entity class and it worked.
Because the code in here looks scary. Here is a function that will also convert a multidimensional array into html form compatible syntax, but which is easier to read.
/**
* Flattens a multi demensional array into a one dimensional
* to be compatible with hidden html fields.
*
* @param array $array
* Array in the form:
* array(
* 'a' => array(
* 'b' => '1'
* )
* )
*
* @return array
* Array in the form:
* array(
* 'a[b]' => 1,
* )
*/
function flatten_array($array) {
// Continue until $array is a one-dimensional array.
$continue = TRUE;
while ($continue) {
$continue = FALSE;
// Walk through top and second level of $array and move
// all values in the second level up one level.
foreach ($array as $key => $value) {
if (is_array($value)) {
// Second level found, therefore continue.
$continue = TRUE;
// Move each value a level up.
foreach ($value as $child_key => $child_value) {
$array[$key . '[' . $child_key . ']'] = $child_value;
}
// Remove second level array from top level.
unset($array[$key]);
}
}
}
return $array;
}
just make it function,
<script type="text/javascript">
function AlertIt() {
var answer = confirm ("Please click on OK to continue.")
if (answer)
window.location="http://www.continue.com";
}
</script>
<a href="javascript:AlertIt();">click me</a>
I had a similar problem . For this you can use a Hashmap which takes "string" and "object" as shown in code below:
/** stores the image database icons */
public static int[] imageIconDatabase = { R.drawable.ball,
R.drawable.catmouse, R.drawable.cube, R.drawable.fresh,
R.drawable.guitar, R.drawable.orange, R.drawable.teapot,
R.drawable.india, R.drawable.thailand, R.drawable.netherlands,
R.drawable.srilanka, R.drawable.pakistan,
};
private void initializeImageList() {
// TODO Auto-generated method stub
for (int i = 0; i < imageIconDatabase.length; i++) {
map = new HashMap<String, Object>();
map.put("Name", imageNameDatabase[i]);
map.put("Icon", imageIconDatabase[i]);
}
}
You can use set
with the /p
argument:
SET /P variable=[promptString]
The /P switch allows you to set the value of a variable to a line of input entered by the user. Displays the specified promptString before reading the line of input. The promptString can be empty.
So, simply use something like
set /p Input=Enter some text:
Later you can use that variable as argument to a command:
myCommand %Input%
Be careful though, that if your input might contain spaces it's probably a good idea to quote it:
myCommand "%Input%"
If you code in C++ as well as Java, it is better to remember that in C++, the string class has the == operator overloaded. But not so in Java. you need to use equals()
or equalsIgnoreCase()
for that.
this.HttpContext.Response.StatusCode = 418; // I'm a teapot
How to end the request?
Try other solution, just:
return StatusCode(418);
You could use StatusCode(???)
to return any HTTP status code.
Also, you can use dedicated results:
Success:
return Ok()
? Http status code 200return Created()
? Http status code 201return NoContent();
? Http status code 204Client Error:
return BadRequest();
? Http status code 400return Unauthorized();
? Http status code 401return NotFound();
? Http status code 404
More details:
I ended up here and my issue was that I was querying for
{$not: {email: /@domain.com/}}
instead of
{email: {$not: /@domain.com/}}
public static String zeroPad(long number, int width) {
long wrapAt = (long)Math.pow(10, width);
return String.valueOf(number % wrapAt + wrapAt).substring(1);
}
The only problem with this approach is that it makes you put on your thinking hat to figure out how it works.
If you are using Eclipse you can move files to and from the SD Card through the Android Perspective (it is called DDMS in Eclipse). Just select the Emulator in the left part of the screen and then choose the File Explorer tab. Above the list with your files should be two symbols, one with an arrow pointing at a phone, clicking this will allow you to choose a file to move to phone memory.
Even more minimal example (draws "Hello world!" in black and with the default font in the top-left of the image):
...
from PIL import ImageDraw
...
ImageDraw.Draw(
image # Image
).text(
(0, 0), # Coordinates
'Hello world!', # Text
(0, 0, 0) # Color
)
This work for my:
log4j.logger.org.hibernate.type=trace
Also can try:
log4j.category.org.hibernate.type=trace
EDIT:
Ok I found why the int.ToString() in LINQtoEF fails, please read this post: Problem with converting int to string in Linq to entities
This works on my side :
List<string> materialTypes = (from u in result.Users
select u.LastName)
.Union(from u in result.Users
select SqlFunctions.StringConvert((double) u.UserId)).ToList();
On yours it should be like this:
IList<String> materialTypes = ((from tom in context.MaterialTypes
where tom.IsActive == true
select tom.Name)
.Union(from tom in context.MaterialTypes
where tom.IsActive == true
select SqlFunctions.StringConvert((double)tom.ID))).ToList();
Thanks, i've learnt something today :)
Sorry, i don't have enough reputation to comment on the @Matyas answer, but if the svg's image is also in base64, it will be drawed to the output.
var svg = document.querySelector('svg');_x000D_
var img = document.querySelector('img');_x000D_
var canvas = document.querySelector('canvas');_x000D_
_x000D_
// get svg data_x000D_
var xml = new XMLSerializer().serializeToString(svg);_x000D_
_x000D_
// make it base64_x000D_
var svg64 = btoa(xml);_x000D_
var b64Start = 'data:image/svg+xml;base64,';_x000D_
_x000D_
// prepend a "header"_x000D_
var image64 = b64Start + svg64;_x000D_
_x000D_
// set it as the source of the img element_x000D_
img.onload = function() {_x000D_
// draw the image onto the canvas_x000D_
canvas.getContext('2d').drawImage(img, 0, 0);_x000D_
}_x000D_
img.src = image64;
_x000D_
svg, img, canvas {_x000D_
display: block;_x000D_
}
_x000D_
SVG_x000D_
_x000D_
<svg height="40">_x000D_
<rect width="40" height="40" style="fill:rgb(255,0,255);" />_x000D_
<image xlink:href="data:image/png;base64,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" height="20px" width="20px" x="10" y="10"></image>_x000D_
</svg>_x000D_
<hr/><br/>_x000D_
_x000D_
IMAGE_x000D_
<img/>_x000D_
<hr/><br/>_x000D_
_x000D_
CANVAS_x000D_
<canvas></canvas>_x000D_
<hr/><br/>
_x000D_
SO...older thread, I know, but...
@RoccoMusolino had a nice catch; here's an alternative:
TL;DR:
const intArray = [...("5 6 7 69 foo 0".split(' ').filter(i => /\d/g.test(i)))]
WRONG: "5 6 note this foo".split(" ").map(Number).filter(Boolean); // [5, 6]
There is a subtle flaw in the more elegant solutions listed here, specifically @amillara and @Marcus' otherwise beautiful answers.
The problem occurs when an element of the string array isn't integer-like, perhaps in a case without validation on an input. For a contrived example...
The problem:
var effedIntArray = "5 6 7 69 foo".split(' ').map(Number); // [5, 6, 7, 69, NaN]
Since you obviously want a PURE int array, that's a problem. Honestly, I didn't catch this until I copy-pasted SO code into my script... :/
The (slightly-less-baller) fix:
var intArray = "5 6 7 69 foo".split(" ").map(Number).filter(Boolean); // [5, 6, 7, 69]
So, now even when you have crap int string, your output is a pure integer array. The others are really sexy in most cases, but I did want to offer my mostly rambly w'actually. It is still a one-liner though, to my credit...
Hope it saves someone time!
COUNT(*)
and COUNT(1)
are same in case of result and performance.
By using the SqlCommand
and its child collection of parameters all the pain of checking for sql injection is taken away from you and will be handled by these classes.
Here is an example, taken from one of the articles above:
private static void UpdateDemographics(Int32 customerID,
string demoXml, string connectionString)
{
// Update the demographics for a store, which is stored
// in an xml column.
string commandText = "UPDATE Sales.Store SET Demographics = @demographics "
+ "WHERE CustomerID = @ID;";
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(commandText, connection);
command.Parameters.Add("@ID", SqlDbType.Int);
command.Parameters["@ID"].Value = customerID;
// Use AddWithValue to assign Demographics.
// SQL Server will implicitly convert strings into XML.
command.Parameters.AddWithValue("@demographics", demoXml);
try
{
connection.Open();
Int32 rowsAffected = command.ExecuteNonQuery();
Console.WriteLine("RowsAffected: {0}", rowsAffected);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
0.0.0.0/0
for all IPv4 addresses
::0/0
for all IPv6 addresses
all
to match any IP address
samehost
to match any of the server's own IP addresses
samenet
to match any address in any subnet that the server is directly connected to.
e.g.
host all all 0.0.0.0/0 md5
If you don't want to change your table structure, you can run the following query:
ALTER TABLE [UserStore]
NOCHECK CONSTRAINT FK_UserStore_User_UserId
ALTER TABLE [UserIdentity]
NOCHECK CONSTRAINT FK_UserIdentity_User_UserId
BEGIN TRAN
UPDATE [user]
SET Id = 10
WHERE Id = 9
UPDATE [dbo].[UserStore]
SET UserId = 10
WHERE UserId = 9
UPDATE [dbo].UserIdentity
SET UserId = 10
WHERE UserId = 9
COMMIT TRAN
ALTER TABLE [UserStore]
CHECK CONSTRAINT FK_UserStore_User_UserId
ALTER TABLE UserIdentity
CHECK CONSTRAINT FK_UserIdentity_User_UserId
it looks something like this :
Baud rate is mostly used in telecommunication and electronics, representing symbol per second or pulses per second, whereas bit rate is simply bit per second. To be simple, the major difference is that symbol may contain more than 1 bit, say n bits, which makes baud rate n times smaller than bit rate.
Suppose a situation where we need to represent a serial-communication signal, we will use 8-bit as one symbol to represent the info. If the symbol rate is 4800 baud, then that translates into an overall bit rate of 38400 bits/s. This could also be true for wireless communication area where you will need multiple bits for purpose of modulation to achieve broadband transmission, instead of simple baseline transmission.
Hope this helps.
refer this pure js npm library for such tab navigation strategies.
keyboard-navigator
this small library handles tab key,arrow key navigation,retaining focus on dom updates,modal focus trap, fallback focus.
"System tray" application is just a regular win forms application, only difference is that it creates a icon in windows system tray area. In order to create sys.tray icon use NotifyIcon component , you can find it in Toolbox(Common controls), and modify it's properties: Icon, tool tip. Also it enables you to handle mouse click and double click messages.
And One more thing , in order to achieve look and feels or standard tray app. add followinf lines on your main form show event:
private void MainForm_Shown(object sender, EventArgs e)
{
WindowState = FormWindowState.Minimized;
Hide();
}
You can use the unicode of a non breaking space :
p:before { content: "\00a0 "; }
See JSfiddle demo
[style improved by @Jason Sperske]
Once you have markers on the map, you can retrieve the Lat/Long coordinates through the API and use this to set the map's center. You'll first just need to determine which marker you wish to center on - I'll leave that up to you.
// "marker" refers to the Marker object you wish to center on
var latLng = marker.getPosition(); // returns LatLng object
map.setCenter(latLng); // setCenter takes a LatLng object
Info windows are separate objects which are typically bound to a marker, so to open the info window you might do something like this (however it will depend on your code):
var infoWindow = marker.infoWindow; // retrieve the InfoWindow object
infoWindow.open(map); // Trigger the "open()" method
Hope this helps.
A simple solution using fscanf
:
void read_ints (const char* file_name)
{
FILE* file = fopen (file_name, "r");
int i = 0;
fscanf (file, "%d", &i);
while (!feof (file))
{
printf ("%d ", i);
fscanf (file, "%d", &i);
}
fclose (file);
}
This was put together with some edited example cmd
@Echo off
Echo ********************************************************
Echo * ZIP Folder Backup using 7Zip *
Echo * Usage: Source Folder, Destination Drive Letter *
Echo * Source Folder will be Zipped to Destination\Backups *
Echo ********************************************************
Echo off
set year=%date:~-4,4%
set month=%date:~-10,2%
set day=%date:~-7,2%
set hour=%time:~-11,2%
set hour=%hour: =0%
set min=%time:~-8,2%
SET /P src=Source Folder to Backup:
SET source=%src%\*
call :file_name_from_path nam %src%
SET /P destination=Backup Drive Letter:
set zipfilename=%nam%.%year%.%month%.%day%.%hour%%min%.zip
set dest="%destination%:\Backups\%zipfilename%"
set AppExePath="%ProgramFiles(x86)%\7-Zip\7z.exe"
if not exist %AppExePath% set AppExePath="%ProgramFiles%\7-Zip\7z.exe"
if not exist %AppExePath% goto notInstalled
echo Backing up %source% to %dest%
%AppExePath% a -r -tzip %dest% %source%
echo %source% backed up to %dest% is complete!
TIMEOUT 5
exit;
:file_name_from_path <resultVar> <pathVar>
(
set "%~1=%~nx2"
exit /b
)
:notInstalled
echo Can not find 7-Zip, please install it from:
echo http://7-zip.org/
:end
PAUSE
This is one of the biggest sources of confusion with VB.Net, IMO.
Nothing
in VB.Net is the equivalent of default(T)
in C#: the default value for the given type.
0
for Integer
, False
for Boolean
, DateTime.MinValue
for DateTime
, ... null
value (a reference that refers to, well, nothing).The statement d Is Nothing
is therefore equivalent to d Is DateTime.MinValue
, which obviously does not compile.
Solutions: as others have said
DateTime?
(i.e. Nullable(Of DateTime)
). This is my preferred solution.d = DateTime.MinValue
or equivalently d = Nothing
In the context of the original code, you could use:
Dim d As DateTime? = Nothing
Dim boolNotSet As Boolean = d.HasValue
A more comprehensive explanation can be found on Anthony D. Green's blog
Considering Ionic's ability to cache view elements and scope data mentioned above, this might be another way of doing, if you want to run the controller every time the view gets loaded. You can globally disable the caching mechanism used by ionic by doing:
$ionicConfigProvider.views.maxCache(0);
Else, the way I had it working for me was doing
$scope.$on("$ionicView.afterLeave", function () {
$ionicHistory.clearCache();
});
This is to clear the cache before leaving the view to re-run controller every time you enter back again.
This will remove all lines containing only whitespace (spaces & tabs)
sed '/^[[:space:]]*$/d'
Just take whatever you are working with and pipe it to that
cat filename | sed '/^[[:space:]]*$/d'
For example,
package main
import (
"fmt"
"strings"
)
func main() {
s := "\t Hello, World\n "
fmt.Printf("%d %q\n", len(s), s)
t := strings.TrimSpace(s)
fmt.Printf("%d %q\n", len(t), t)
}
Output:
16 "\t Hello, World\n "
12 "Hello, World"
I run into same problem.
What I found from documentation, we should use namedspace.
in your case {% url login:login_view %}
Not gonna happen with CSS only
Inline javascript
<a href='index.html'
onmouseover='this.style.textDecoration="none"'
onmouseout='this.style.textDecoration="underline"'>
Click Me
</a>
In a working draft of the CSS2 spec it was declared that you could use pseudo-classes inline like this:
<a href="http://www.w3.org/Style/CSS"
style="{color: blue; background: white} /* a+=0 b+=0 c+=0 */
:visited {color: green} /* a+=0 b+=1 c+=0 */
:hover {background: yellow} /* a+=0 b+=1 c+=0 */
:visited:hover {color: purple} /* a+=0 b+=2 c+=0 */
">
</a>
but it was never implemented in the release of the spec as far as I know.
http://www.w3.org/TR/2002/WD-css-style-attr-20020515#pseudo-rules
Is it possible that you are using GCC 5?
If you get linker errors about undefined references to symbols that involve types in the std::__cxx11 namespace or the tag [abi:cxx11] then it probably indicates that you are trying to link together object files that were compiled with different values for the _GLIBCXX_USE_CXX11_ABI macro. This commonly happens when linking to a third-party library that was compiled with an older version of GCC. If the third-party library cannot be rebuilt with the new ABI then you will need to recompile your code with the old ABI.
Source: GCC 5 Release Notes/Dual ABI
Defining the following macro before including any standard library headers should fix your problem: #define _GLIBCXX_USE_CXX11_ABI 0
CPython uses the Global Interpreter Lock which makes parallel programing a bit more interesting than C++
This topic has several useful examples and descriptions of the challenge:
Python Global Interpreter Lock (GIL) workaround on multi-core systems using taskset on Linux?
This is the very basic
awk '/pattern/{ print $0 }' file
ask awk
to search for pattern
using //
, then print out the line, which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
In your example a credit card is expired on 6/2008.
Without knowing what you are doing I cannot say definitively you should not be validating ahead of time but be aware that sometimes business rules defy all logic.
For example, where I used to work they often did not process a card at all or would continue on transaction failure simply so they could contact the customer and get a different card.
So the thing with the sizeof operator is that it returns you the amount of storage needed, in bytes, to store the operand.
The amount of storage needed to store a char is always 1 byte. So the sizeof(char)
will always return 1.
char a[] = "aaaaa";
int len1 = sizeof(a)/sizeof(char); // length = 6
int len2 = sizeof(a); // length = 6;
This is the same for both len1
and len2
because this division of 1 does not influence the equation.
The reason why both len1
and len2
carry the value 6 has to do with the string termination char '\0'
. Which is also a char which adds another char to the length. Therefore your length is going to be 6 instead of the 5 you were expecting.
char *a = new char[10];
int length = sizeof(a)/sizeof(char);
You already mentioned that the length turns out to be 4 here, which is correct. Again, the sizeof operator returns the storage amount for the operand and in your case it is a pointer a
. A pointer requires 4 bytes of storage and therefore the length is 4 in this case. Since you probably compile it to a 32-bit binary. If you'd created a 64-bit binary the outcome would be 8.
This explanation might be here already be here. Just want to share my two cents.
If you need to install an older version (for example 0.25):
pod _0.25.0_ install
Simple code please check
SELECT * FROM table_name WHERE created <= (NOW() - INTERVAL 1 MONTH)
If you just need read-only access, then c_str()
will do it:
char const *c = myString.c_str();
If you need read/write access, then you can copy the string into a vector. vectors manage dynamic memory for you. You don't have to mess with allocation/deallocation then:
std::vector<char> bytes(myString.begin(), myString.end());
bytes.push_back('\0');
char *c = &bytes[0];
The Answer by OscarRyz is correct, and should have been the accepted Answer. But now that Answer is out-dated.
In Java 8 and later, we have the new java.time package (inspired by Joda-Time, defined by JSR 310, with tutorial, extended by ThreeTen-Extra project).
The old java.util.Date/.Calendar, SimpleDateFormat, and java.sql.Date classes are a confusing mess. For one thing, j.u.Date has date and time-of-day while j.s.Date is date-only without time-of-day. Oh, except that j.s.Date only pretends to not have a time-of-day. As a subclass of j.u.Date, j.s.Date inherits the time-of-day but automatically adjusts that time-of-day to midnight (00:00:00.000
). Confusing? Yes. A bad hack, frankly.
For this and many more reasons, those old classes should be avoided, used only a last resort. Use java.time where possible, with Joda-Time as a fallback.
LocalDate
In java.time, the LocalDate
class cleanly represents a date-only value without any time-of-day or time zone. That is what we need for this Question’s solution.
To get that LocalDate object, we parse the input string. But rather than use the old SimpleDateFormat
class, java.time provides a new DateTimeFormatter
class in the java.time.format package.
String input = "01/01/2009" ;
DateTimeFormatter formatter = DateTimeFormatter.ofPattern( "MM/dd/yyyy" ) ;
LocalDate localDate = LocalDate.parse( input, formatter ) ;
JDBC drivers compliant with JDBC 4.2 or later can use java.time types directly via the PreparedStatement::setObject
and ResultSet::getObject
methods.
PreparedStatement pstmt = connection.prepareStatement(
"INSERT INTO USERS ( USER_ID, FIRST_NAME, LAST_NAME, SEX, DATE ) " +
" VALUES (?, ?, ?, ?, ? )");
pstmt.setString( 1, userId );
pstmt.setString( 3, myUser.getLastName() );
pstmt.setString( 2, myUser.getFirstName() ); // please use "getFir…" instead of "GetFir…", per Java conventions.
pstmt.setString( 4, myUser.getSex() );
pstmt.setObject( 5, localDate ) ; // Pass java.time object directly, without any need for java.sql.*.
But until you have such an updated JDBC driver, fallback on using the java.sql.Date class. Fortunately, that old java.sql.Date
class has been gifted by Java 8 with a new convenient conversion static method, valueOf( LocalDate )
.
In the sample code of the sibling Answer by OscarRyz, replace its "sqlDate =" line with this one:
java.sql.Date sqlDate = java.sql.Date.valueOf( localDate ) ;
if you're doing a lot of this kind of thing you should consider using numpy
.
In [56]: import random, numpy
In [57]: lst = numpy.array([random.uniform(0, 5) for _ in range(1000)]) # example list
In [58]: a, b = 1, 3
In [59]: numpy.flatnonzero((lst > a) & (lst < b))[:10]
Out[59]: array([ 0, 12, 13, 15, 18, 19, 23, 24, 26, 29])
In response to Seanny123's question, I used this timing code:
import numpy, timeit, random
a, b = 1, 3
lst = numpy.array([random.uniform(0, 5) for _ in range(1000)])
def numpy_way():
numpy.flatnonzero((lst > 1) & (lst < 3))[:10]
def list_comprehension():
[e for e in lst if 1 < e < 3][:10]
print timeit.timeit(numpy_way)
print timeit.timeit(list_comprehension)
The numpy version is over 60 times faster.
It was a while ago, but I rolled a GA to evolve what were in effect image processing kernels to remove cosmic ray traces from Hubble Space Telescope (HST) images. The standard approach is to take multiple exposures with the Hubble and keep only the stuff that is the same in all the images. Since HST time is so valuable, I'm an astronomy buff, and had recently attended the Congress on Evolutionary Computation, I thought about using a GA to clean up single exposures.
The individuals were in the form of trees that took a 3x3 pixel area as input, performed some calculations, and produced a decision about whether and how to modify the center pixel. Fitness was judged by comparing the output with an image cleaned up in the traditional way (i.e. stacking exposures).
It actually sort of worked, but not well enough to warrant foregoing the original approach. If I hadn't been time-constrained by my thesis, I might have expanded the genetic parts bin available to the algorithm. I'm pretty sure I could have improved it significantly.
Libraries used: If I recall correctly, IRAF and cfitsio for astronomical image data processing and I/O.
The question is with JQuery, it's just FYI.
let textareaID = document.getElementById('textareaID');
let yourBtnID = document.getElementById('yourBtnID');
textareaID.addEventListener('input', function() {
yourBtnID.style.display = 'none';
if (textareaID.value.length) {
yourBtnID.style.display = 'inline-block';
}
});
<textarea id="textareaID"></textarea>
<button id="yourBtnID" style="display: none;">click me</div>
If it cannot be avoided the suggested pattern extracted from the React docs would be:
import React, { Component } from 'react';
const Child = ({ setRef }) => <input type="text" ref={setRef} />;
class Parent extends Component {
constructor(props) {
super(props);
this.setRef = this.setRef.bind(this);
}
componentDidMount() {
// Calling a function on the Child DOM element
this.childRef.focus();
}
setRef(input) {
this.childRef = input;
}
render() {
return <Child setRef={this.setRef} />
}
}
The Parent forwards a function as prop bound to Parent's this
. When React calls the Child's ref
prop setRef
it will assign the Child's ref
to the Parent's childRef
property.
Ref forwarding is an opt-in feature that lets some components take a ref they receive, and pass it further down (in other words, “forward” it) to a child.
We create Components that forward their ref
with React.forwardRef
.
The returned Component ref prop must be of the same type as the return type of React.createRef
. Whenever React mounts the DOM node then property current
of the ref
created with React.createRef
will point to the underlying DOM node.
import React from "react";
const LibraryButton = React.forwardRef((props, ref) => (
<button ref={ref} {...props}>
FancyButton
</button>
));
class AutoFocus extends React.Component {
constructor(props) {
super(props);
this.childRef = React.createRef();
this.onClick = this.onClick.bind(this);
}
componentDidMount() {
this.childRef.current.focus();
}
onClick() {
console.log("fancy!");
}
render() {
return <LibraryButton onClick={this.onClick} ref={this.childRef} />;
}
}
Created Components are forwarding their ref
to a child node.
function logProps(Component) {
class LogProps extends React.Component {
componentDidUpdate(prevProps) {
console.log('old props:', prevProps);
console.log('new props:', this.props);
}
render() {
const {forwardedRef, ...rest} = this.props;
// Assign the custom prop "forwardedRef" as a ref
return <Component ref={forwardedRef} {...rest} />;
}
}
// Note the second param "ref" provided by React.forwardRef.
// We can pass it along to LogProps as a regular prop, e.g. "forwardedRef"
// And it can then be attached to the Component.
return React.forwardRef((props, ref) => {
return <LogProps {...props} forwardedRef={ref} />;
});
}
See Forwarding Refs in React docs.
I use this c code for printing coloured shell output. The code is based on this post.
//General Formatting
#define GEN_FORMAT_RESET "0"
#define GEN_FORMAT_BRIGHT "1"
#define GEN_FORMAT_DIM "2"
#define GEN_FORMAT_UNDERSCORE "3"
#define GEN_FORMAT_BLINK "4"
#define GEN_FORMAT_REVERSE "5"
#define GEN_FORMAT_HIDDEN "6"
//Foreground Colors
#define FOREGROUND_COL_BLACK "30"
#define FOREGROUND_COL_RED "31"
#define FOREGROUND_COL_GREEN "32"
#define FOREGROUND_COL_YELLOW "33"
#define FOREGROUND_COL_BLUE "34"
#define FOREGROUND_COL_MAGENTA "35"
#define FOREGROUND_COL_CYAN "36"
#define FOREGROUND_COL_WHITE "37"
//Background Colors
#define BACKGROUND_COL_BLACK "40"
#define BACKGROUND_COL_RED "41"
#define BACKGROUND_COL_GREEN "42"
#define BACKGROUND_COL_YELLOW "43"
#define BACKGROUND_COL_BLUE "44"
#define BACKGROUND_COL_MAGENTA "45"
#define BACKGROUND_COL_CYAN "46"
#define BACKGROUND_COL_WHITE "47"
#define SHELL_COLOR_ESCAPE_SEQ(X) "\x1b["X"m"
#define SHELL_FORMAT_RESET ANSI_COLOR_ESCAPE_SEQ(GEN_FORMAT_RESET)
int main(int argc, char* argv[])
{
//The long way
fputs(SHELL_COLOR_ESCAPE_SEQ(GEN_FORMAT_DIM";"FOREGROUND_COL_YELLOW), stdout);
fputs("Text in gold\n", stdout);
fputs(SHELL_FORMAT_RESET, stdout);
fputs("Text in default color\n", stdout);
//The short way
fputs(SHELL_COLOR_ESCAPE_SEQ(GEN_FORMAT_DIM";"FOREGROUND_COL_YELLOW)"Text in gold\n"SHELL_FORMAT_RESET"Text in default color\n", stdout);
return 0;
}
I always use
document.getElementsByTagName('html')[0].innerHTML
Probably not the right way but I can understand it when I see it.
In this case, I'd say the best bet If this script is for a private module intended to run only on *nix-based machines, you can use the control operator for forking processes, which looks like this: &
An example of doing this in a partial package.json file:
{
"name": "npm-scripts-forking-example",
"scripts": {
"bundle": "watchify -vd -p browserify-hmr index.js -o bundle.js",
"serve": "http-server -c 1 -a localhost",
"serve-bundle": "npm run bundle & npm run serve &"
}
You'd then execute them both in parallel via npm run serve-bundle
. You can enhance the scripts to output the pids of the forked process to a file like so:
"serve-bundle": "npm run bundle & echo \"$!\" > build/bundle.pid && npm run serve & echo \"$!\" > build/serve.pid && npm run open-browser",
Google something like bash control operator for forking to learn more on how it works. I've also provided some further context regarding leveraging Unix techniques in Node projects below:
If you're not on Windows, Unix tools/techniques often work well to achieve something with Node scripts because:
Modules for system tasks in Nodeland are also often abstractions or approximations of Unix tools, from fs
to streams
.
I ran into this after calling UIImagePickerController presentViewController: from the callback to a UIAlertView delegate. I solved the issue by pushing the presentViewController: call off the current execution trace using dispatch_async.
- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
{
dispatch_async(dispatch_get_main_queue(), ^{
UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];
imagePickerController.delegate = self;
if (buttonIndex == 1)
imagePickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
else
imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
[self presentViewController: imagePickerController
animated: YES
completion: nil];
});
}
One solution would be to create a Calendar
instance, and start a cycle, increasing it's Calendar.DATE
field until it reaches the desired date. Also, on each step you should create a Date
instance (with corresponding parameters), and put it to your list.
Some dirty code:
public List<Date> getDatesBetween(final Date date1, final Date date2) {
List<Date> dates = new ArrayList<Date>();
Calendar calendar = new GregorianCalendar() {{
set(Calendar.YEAR, date1.getYear());
set(Calendar.MONTH, date1.getMonth());
set(Calendar.DATE, date1.getDate());
}};
while (calendar.get(Calendar.YEAR) != date2.getYear() && calendar.get(Calendar.MONTH) != date2.getMonth() && calendar.get(Calendar.DATE) != date2.getDate()) {
calendar.add(Calendar.DATE, 1);
dates.add(new Date(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DATE)));
}
return dates;
}
In rpy2, the way to get the very same operator as "[" with R is to use ".rx". See the documentation about extracting with rpy2
For creating vectors, if you know your way around with Python there should not be any issue. See the documentation about creating vectors
Starting with PHP 5.6, you can define constant arrays using const
keyword like below
const DEFAULT_ROLES = ['test', 'development', 'team'];
and different elements can be accessed as below:
echo DEFAULT_ROLES[1];
....
Starting with PHP 7, constant arrays can be defined using define
as below:
define('DEFAULT_ROLES', [
'test',
'development',
'team'
]);
and different elements can be accessed same way as before.
My variation of the solution: (scss)
.modal {
.modal-dialog.modal-fs {
width: 100%;
margin: 0;
box-shadow: none;
height: 100%;
.modal-content {
border: none;
border-radius: 0;
box-shadow: none;
box-shadow: none;
height: 100%;
}
}
}
(css)
.modal .modal-dialog.modal-fs {
width: 100%;
margin: 0;
box-shadow: none;
height: 100%;
}
.modal .modal-dialog.modal-fs .modal-content {
border: none;
border-radius: 0;
box-shadow: none;
box-shadow: none;
height: 100%;
}
Apple recommends against relying on the fileExistAtPath: method. It's often better to just try to open a file and deal with the error if the file does not exist.
NSFileManager Class Reference
Note: Attempting to predicate behavior based on the current state of the file system or a particular file on the file system is not recommended. Doing so can cause odd behavior or race conditions. It's far better to attempt an operation (such as loading a file or creating a directory), check for errors, and handle those errors gracefully than it is to try to figure out ahead of time whether the operation will succeed. For more information on file system race conditions, see “Race Conditions and Secure File Operations” in Secure Coding Guide.
Source: Apple Developer API Reference
From the secure coding guide.
To prevent this, programs often check to make sure a temporary file with a specific name does not already exist in the target directory. If such a file exists, the application deletes it or chooses a new name for the temporary file to avoid conflict. If the file does not exist, the application opens the file for writing, because the system routine that opens a file for writing automatically creates a new file if none exists. An attacker, by continuously running a program that creates a new temporary file with the appropriate name, can (with a little persistence and some luck) create the file in the gap between when the application checked to make sure the temporary file didn’t exist and when it opens it for writing. The application then opens the attacker’s file and writes to it (remember, the system routine opens an existing file if there is one, and creates a new file only if there is no existing file). The attacker’s file might have different access permissions than the application’s temporary file, so the attacker can then read the contents. Alternatively, the attacker might have the file already open. The attacker could replace the file with a hard link or symbolic link to some other file (either one owned by the attacker or an existing system file). For example, the attacker could replace the file with a symbolic link to the system password file, so that after the attack, the system passwords have been corrupted to the point that no one, including the system administrator, can log in.
This specifies the default collation for the database. Every text field that you create in tables in the database will use that collation, unless you specify a different one.
A database always has a default collation. If you don't specify any, the default collation of the SQL Server instance is used.
The name of the collation that you use shows that it uses the Latin1 code page 1, is case insensitive (CI) and accent sensitive (AS). This collation is used in the USA, so it will contain sorting rules that are used in the USA.
The collation decides how text values are compared for equality and likeness, and how they are compared when sorting. The code page is used when storing non-unicode data, e.g. varchar fields.
My comments on Renaud Bompuis's answer messed up.
Actually, you can use late binding, and the reference to the 11.0 object library is not required.
The following code will work without any references:
Dim f As Object
Set f = Application.FileDialog(3)
f.AllowMultiSelect = True
f.Show
MsgBox "file choosen = " & f.SelectedItems.Count
Note that the above works well in the runtime also.
Although the answers given here can be used to temporarily change window size, they don't seem to affect font size (at least not on my PC). I have an alternative way. I don't know if this what you're looking for but if you want to make changes automatically/permanently to Console font/window size, you can always do a script that edits the registry:
HKEY_CURRENT_USER\Console
HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_cmd.exe
HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_WindowsPowerShell_v1.0_powershell.exe
Those keys deal with the consoles that come up when your run a script or press shift and select "open command prompt here". The Command Prompt entry in your start menu does not use the registry to store it's preferences but stores the prefs in the shortcut itself.
I have a monitor that I can run in 720p native or 1440p supersampling. I needed a quick way to change my console's font/window size, so I made these scripts. These scripts do two things: (1) change the font/window sizes in the registry and (2) swap out the shortcuts in the Start menu with ones that have a different window and font size. I basically made two sets of copies of the Command Prompt and Power Shell shortcuts and stored them in Documents. One set of shortcuts was configured with Consolas font size at 16 for my monitor is in 720p (called it "Command Prompt.720pRes.lnk") and another version of the same shortcut was configure with font size at 36 (called it "Command Prompt.HighRes.lnk"). The script will copy from the set I want to use to overwrite the Start menu one.
console-1440p.cmd:
::Assign New Window and Font Size for Windows Command Prompt
set CMDpNewFont=00240000
set CMDpNewWindowSize=000f0078
set commandPromptLinkFlag=highRes
::Make temporary .reg file to resize command console
>%temp%\consoleSIZEchanger.reg ECHO Windows Registry Editor Version 5.00
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_cmd.exe]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_WindowsPowerShell_v1.0_powershell.exe]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
::Merge and delete consoleSIZEchanger.reg
REGEDIT /S %temp%\consoleSIZEchanger.reg
del %temp%\consoleSIZEchanger.reg
::Copy Preconfigured Command Prompt/PowerShell shortcuts to Pinned Start Menu, Accessories and any other Custom Location you would define
copy "%homedrive%%homepath%\Documents\Command Prompt.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Command Prompt.lnk"
copy "%homedrive%%homepath%\Documents\Command Prompt.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Command Prompt.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell.%commandPromptLinkFlag%.lnk" "%homedrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Windows PowerShell.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell (x86).%commandPromptLinkFlag%.lnk" "%homedrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell (x86).lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell (x86).%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Windows PowerShell (x86).lnk"
console-720p.cmd:
::Assign New Window and Font Size for Windows Command Prompt
set CMDpNewFont=00100000
set CMDpNewWindowSize=0014007d
set commandPromptLinkFlag=720Res
::Make temporary .reg file to resize command console
>%temp%\consoleSIZEchanger.reg ECHO Windows Registry Editor Version 5.00
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_cmd.exe]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
>>%temp%\consoleSIZEchanger.reg ECHO.
>>%temp%\consoleSIZEchanger.reg ECHO [HKEY_CURRENT_USER\Console\%%SystemRoot%%_system32_WindowsPowerShell_v1.0_powershell.exe]
>>%temp%\consoleSIZEchanger.reg ECHO "WindowSize"=dword:%CMDpNewWindowSize%
>>%temp%\consoleSIZEchanger.reg ECHO "FontSize"=dword:%CMDpNewFont%
::Merge and delete consoleSIZEchanger.reg
REGEDIT /S %temp%\consoleSIZEchanger.reg
del %temp%\consoleSIZEchanger.reg
::Copy Preconfigured Command Prompt/PowerShell shortcuts to Pinned Start Menu, Accessories and any other Custom Location you would define
copy "%homedrive%%homepath%\Documents\Command Prompt.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Command Prompt.lnk"
copy "%homedrive%%homepath%\Documents\Command Prompt.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Command Prompt.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell.%commandPromptLinkFlag%.lnk" "%homedrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell.%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Windows PowerShell.lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell (x86).%commandPromptLinkFlag%.lnk" "%homedrive%\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell (x86).lnk"
copy "%homedrive%%homepath%\Documents\Windows PowerShell (x86).%commandPromptLinkFlag%.lnk" "%homedrive%%homepath%\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\Windows PowerShell (x86).lnk"
Move this
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
editString = ed.getText().toString();
inside onClick
Also you change the state of the toogle button whether its 0
or 1
http://developer.android.com/guide/topics/ui/controls/togglebutton.html
Example:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:layout_marginBottom="20dp"
android:text="Button" />
<EditText
android:id="@+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="26dp"
android:ems="10" >
<requestFocus />
</EditText>
<Switch
android:id="@+id/switch1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/editText1"
android:layout_below="@+id/editText1"
android:layout_marginTop="51dp"
android:text="Switch" />
<ToggleButton
android:id="@+id/togglebutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/button1"
android:layout_below="@+id/switch1"
android:layout_marginTop="58dp"
android:onClick="onToggleClicked"
android:textOff="Vibrate off"
android:textOn="Vibrate on" />
</RelativeLayout>
MainActivity.java
public class MainActivity extends Activity implements OnClickListener {
EditText ed;
Switch sb;
ToggleButton tb;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ed = (EditText) findViewById(R.id.editText1);
Button b = (Button) findViewById(R.id.button1);
sb = (Switch)findViewById(R.id.switch1);
tb = (ToggleButton)findViewById(R.id.togglebutton);
b.setOnClickListener(this);
}
@Override
public void onClick(View v) {
String s = ed.getText().toString();
if(s.equals("1")){
tb.setText("TOGGLE ON");
tb.setActivated(true);
sb.setChecked(true);
}
else if(s.equals("0")){
tb.setText("TOGGLE OFF");
tb.setActivated(false);
sb.setChecked(false);
}
}
}
Snaps
onRestoreInstanceState()
is called only when recreating activity after it was killed by the OS. Such situation happen when:
In contrast: if you are in your activity and you hit Back
button on the device, your activity is finish()ed (i.e. think of it as exiting desktop application) and next time you start your app it is started "fresh", i.e. without saved state because you intentionally exited it when you hit Back
.
Other source of confusion is that when an app loses focus to another app onSaveInstanceState()
is called but when you navigate back to your app onRestoreInstanceState()
may not be called. This is the case described in the original question, i.e. if your activity was NOT killed during the period when other activity was in front onRestoreInstanceState()
will NOT be called because your activity is pretty much "alive".
All in all, as stated in the documentation for onRestoreInstanceState()
:
Most implementations will simply use onCreate(Bundle) to restore their state, but it is sometimes convenient to do it here after all of the initialization has been done or to allow subclasses to decide whether to use your default implementation. The default implementation of this method performs a restore of any view state that had previously been frozen by onSaveInstanceState(Bundle).
As I read it: There is no reason to override onRestoreInstanceState()
unless you are subclassing Activity
and it is expected that someone will subclass your subclass.
In MySQL
:-
RENAME TABLE `Stu Table` TO `Stu Table_10`
I was facing the same issue, I was adding
"types": ["node"]
to tsconfig.json of root folder.
There was one more tsconfig.app.json under src folder and I got solved this by adding
"types": ["node"]
to tsconfig.app.json file under compilerOptions
{
"extends": "../tsconfig.json",
"compilerOptions": {
"outDir": "../out-tsc/app",
"types": ["node"] ----------------------< added node to the array
},
"exclude": [
"test.ts",
"**/*.spec.ts"
]
}
If you want to get the navigationBar
height only, it's simple:
extension UIViewController{
var navigationBarHeight: CGFloat {
return self.navigationController?.navigationBar.frame.height ?? 0.0
}
}
However, if you need the height of top notch of iPhone you don't need to get the navigationBar
height and add to it the statusBar
height, you can simply call safeAreaInsets
that's why exist.
self.view.safeAreaInsets.top
First of all, you should install SignalR.Host.Self on the server application and SignalR.Client on your client application by nuget :
PM> Install-Package SignalR.Hosting.Self -Version 0.5.2
PM> Install-Package Microsoft.AspNet.SignalR.Client
Then add the following code to your projects ;)
(run the projects as administrator)
Server console app:
using System;
using SignalR.Hubs;
namespace SignalR.Hosting.Self.Samples {
class Program {
static void Main(string[] args) {
string url = "http://127.0.0.1:8088/";
var server = new Server(url);
// Map the default hub url (/signalr)
server.MapHubs();
// Start the server
server.Start();
Console.WriteLine("Server running on {0}", url);
// Keep going until somebody hits 'x'
while (true) {
ConsoleKeyInfo ki = Console.ReadKey(true);
if (ki.Key == ConsoleKey.X) {
break;
}
}
}
[HubName("CustomHub")]
public class MyHub : Hub {
public string Send(string message) {
return message;
}
public void DoSomething(string param) {
Clients.addMessage(param);
}
}
}
}
Client console app:
using System;
using SignalR.Client.Hubs;
namespace SignalRConsoleApp {
internal class Program {
private static void Main(string[] args) {
//Set connection
var connection = new HubConnection("http://127.0.0.1:8088/");
//Make proxy to hub based on hub name on server
var myHub = connection.CreateHubProxy("CustomHub");
//Start connection
connection.Start().ContinueWith(task => {
if (task.IsFaulted) {
Console.WriteLine("There was an error opening the connection:{0}",
task.Exception.GetBaseException());
} else {
Console.WriteLine("Connected");
}
}).Wait();
myHub.Invoke<string>("Send", "HELLO World ").ContinueWith(task => {
if (task.IsFaulted) {
Console.WriteLine("There was an error calling send: {0}",
task.Exception.GetBaseException());
} else {
Console.WriteLine(task.Result);
}
});
myHub.On<string>("addMessage", param => {
Console.WriteLine(param);
});
myHub.Invoke<string>("DoSomething", "I'm doing something!!!").Wait();
Console.Read();
connection.Stop();
}
}
}
I found the following solution to be easiest to setup environment variable for Webpack 2:
For example we have a webpack settings:
var webpack = require('webpack')
let webpackConfig = (env) => { // Passing envirmonment through
// function is important here
return {
entry: {
// entries
},
output: {
// outputs
},
plugins: [
// plugins
],
module: {
// modules
},
resolve: {
// resolves
}
}
};
module.exports = webpackConfig;
Add Environment Variable in Webpack:
plugins: [
new webpack.EnvironmentPlugin({
NODE_ENV: 'development',
}),
]
Define Plugin Variable and add it to plugins
:
new webpack.DefinePlugin({
'NODE_ENV': JSON.stringify(env.NODE_ENV || 'development')
}),
Now when running webpack command, pass env.NODE_ENV
as argument:
webpack --env.NODE_ENV=development
// OR
webpack --env.NODE_ENV development
Now you can access NODE_ENV
variable anywhere in your code.
Open your font-awesome.css theres code like :
@font-face {
font-family: 'FontAwesome';
src: url('../fonts/fontawesome-webfont.eot?v=4.5.0');
src: url('../fonts/fontawesome-webfont.eot?#iefix&v=4.5.0') format('embedded-opentype'), url('../fonts/fontawesome-webfont.woff2?v=4.5.0') format('woff2'), url('../fonts/fontawesome-webfont.woff?v=4.5.0') format('woff'), url('../fonts/fontawesome-webfont.ttf?v=4.5.0') format('truetype'), url('../fonts/fontawesome-webfont.svg?v=4.5.0#fontawesomeregular') format('svg');
font-weight: normal;
font-style: normal;
}
you must have folder like :
font awesome -> css
-> fonts
or the easiest way :
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css">
You should specify
<input type="checkbox" name="Days[]" value="Daily">Daily<br>
as array.
Add []
to all names Days
and work at php with this like an array.
After it, you can INSERT
values at different columns at db, or use implode
and save values into one column.
Didn't tested it, but you can try like this. Don't forget to replace mysql
with mysqli
.
<html>
<body>
<form method="post" action="chk123.php">
Flights on: <br/>
<input type="checkbox" name="Days[]" value="Daily">Daily<br>
<input type="checkbox" name="Days[]" value="Sunday">Sunday<br>
<input type="checkbox" name="Days[]" value="Monday">Monday<br>
<input type="checkbox" name="Days[]" value="Tuesday">Tuesday <br>
<input type="checkbox" name="Days[]" value="Wednesday">Wednesday<br>
<input type="checkbox" name="Days[]" value="Thursday">Thursday <br>
<input type="checkbox" name="Days[]" value="Friday">Friday<br>
<input type="checkbox" name="Days[]" value="Saturday">Saturday <br>
<input type="submit" name="submit" value="submit">
</form>
</body>
</html>
<?php
// Make a MySQL Connection
mysql_connect("localhost", "root", "") or die(mysql_error());
mysql_select_db("test") or die(mysql_error());
$checkBox = implode(',', $_POST['Days']);
if(isset($_POST['submit']))
{
$query="INSERT INTO example (orange) VALUES ('" . $checkBox . "')";
mysql_query($query) or die (mysql_error() );
echo "Complete";
}
?>
You can use readelf
to explore the ELF headers. readelf -d
will list the direct dependencies as NEEDED
sections.
$ readelf -d elfbin
Dynamic section at offset 0xe30 contains 22 entries:
Tag Type Name/Value
0x0000000000000001 (NEEDED) Shared library: [libssl.so.1.0.0]
0x0000000000000001 (NEEDED) Shared library: [libc.so.6]
0x000000000000000c (INIT) 0x400520
0x000000000000000d (FINI) 0x400758
...
Code like this
<html>
<head>
<script type="text/javascript" src="path/to/script.js"></script>
<!--other script and also external css included over here-->
</head>
<body>
<form>
<select name="users" onChange="showUser(this.value)">
<option value="1">Tom</option>
<option value="2">Bob</option>
<option value="3">Joe</option>
</select>
</form>
</body>
</html>
I hope it will help you.... thanks
I prefer using the ggfortify
library. It is a ggplot2
wrapper that recognizes the type of object inside the autoplot function and chooses the best ggplot methods to plot. At least I don't have to remember the syntax of ggplot2.
library(ggfortify)
ts1 <- 1:100
ts2 <- 1:100*0.8
autoplot(ts( cbind(ts1, ts2) , start = c(2010,5), frequency = 12 ),
facets = FALSE)
As soon as you add a "WebApi Controller" under controllers folder, Visual Studio takes care of dependencies automatically;
Visual Studio has added the full set of dependencies for ASP.NET Web API 2 to project 'MyTestProject'.
The Global.asax.cs file in the project may require additional changes to enable ASP.NET Web API.
Add the following namespace references:
using System.Web.Http; using System.Web.Routing;
If the code does not already define an Application_Start method, add the following method:
protected void Application_Start() { }
Add the following lines to the beginning of the Application_Start method:
GlobalConfiguration.Configure(WebApiConfig.Register);
In my case, correct .net version was not installed on my PC. I install the .net 3.5 on my pc and that worked for me.
Remember that a multi-dimensional array is like a table. You don't have an x element and a y element for each entry; you have a string at (for instance) table[1,2]
.
So, each entry is still only one string (in your example), it's just an entry at a specific x/y value. So, to get both entries at table[1, x]
, you'd do a nested for loop. Something like the following (not tested, but should be close)
for (int x = 0; x < table.Length; x++)
{
for (int y = 0; y < table.Length; y += 2)
{
Console.WriteLine("{0} {1}", table[x, y], table[x, y + 1]);
}
}
Below are 2 simple functions for converting Uint8Array to Base64 String and back again
arrayToBase64String(a) {
return btoa(String.fromCharCode(...a));
}
base64StringToArray(s) {
let asciiString = atob(s);
return new Uint8Array([...asciiString].map(char => char.charCodeAt(0)));
}
Thanks all who answered this question.
It seems this is indeed a tough nut to crack. I ended up giving up and creating a static array and getter in my baseclass.
public abstract class Animal{
private static Animal[] animals= null;
public static Animal[] getAnimals(){
if (animals==null){
animals = new Animal[]{
new Dog(),
new Cat(),
new Lion()
};
}
return animals;
}
}
It seems that Java just isn't set up for self-discoverability the way C# is. I suppose the problem is that since a Java app is just a collection of .class files out in a directory / jar file somewhere, the runtime doesn't know about a class until it's referenced. At that time the loader loads it -- what I'm trying to do is discover it before I reference it which is not possible without going out to the file system and looking.
I always like code that can discover itself instead of me having to tell it about itself, but alas this works too.
Thanks again!
Easy option with no tslint errors ...
export interface MyItem {
id: number
name: string
}
export type MyItemList = [MyItem]
I have a potential solution which I guess is relevent, I posted about it here:
https://www.facebook.com/antimatterstudios/posts/10150752380719364
basically, you want a minimum length of 2 or 3, you can adjust how many 0's you put in this piece of code
var d = new Date();
var h = ("0"+d.getHours()).slice(-2);
var m = ("0"+d.getMinutes()).slice(-2);
var s = ("0"+d.getSeconds()).slice(-2);
I knew I would always get a single integer as a minimum (cause hour 1, hour 2) etc, but if you can't be sure of getting anything but an empty string, you can just do "000"+d.getHours() to make sure you get the minimum.
then you want 3 numbers? just use -3 instead of -2 in my code, I'm just writing this because I wanted to construct a 24 hour clock in a super easy fashion.
Simple assigning to window.location
or window.location.href
should be fine:
window.location = newUrl;
However, your new URL will cause the browser to load the new page, but it sounds like you'd like to modify the URL without leaving the current page. You have two options for this:
Use the URL hash. For example, you can go from example.com
to example.com#foo
without loading a new page. You can simply set window.location.hash
to make this easy. Then, you should listen to the HTML5 hashchange
event, which will be fired when the user presses the back button. This is not supported in older versions of IE, but check out jQuery BBQ, which makes this work in all browsers.
You could use HTML5 History to modify the path without reloading the page. This will allow you to change from example.com/foo
to example.com/bar
. Using this is easy:
window.history.pushState("example.com/foo");
When the user presses "back", you'll receive the window's popstate
event, which you can easily listen to (jQuery):
$(window).bind("popstate", function(e) { alert("location changed"); });
Unfortunately, this is only supported in very modern browsers, like Chrome, Safari, and the Firefox 4 beta.
Greedy means your expression will match as large a group as possible, lazy means it will match the smallest group possible. For this string:
abcdefghijklmc
and this expression:
a.*c
A greedy match will match the whole string, and a lazy match will match just the first abc
.
I have found the IIS Log files at the following location.
C:\inetpub\logs\LogFiles\
which help to fix my issue.
I suppose that you are using an array to create your select
form input.
In that case, use an array:
<?php
$selected = array( $_REQUEST['yesnofine'] => 'selected="selected"' );
$fields = array(1 => 'Yes', 2 => 'No', 3 => 'Fine');
?>
<select name=‘yesnofine'>
<?php foreach ($fields as $k => $v): ?>
<option value="<?php echo $k;?>" <?php @print($selected[$k]);?>><?php echo $v;?></options>
<?php endforeach; ?>
</select>
If not, you may just unroll the above loop, and still use an array.
<option value="1" <?php @print($selected[$k]);?>>Yes</options>
<option value="2" <?php @print($selected[$k]);?>>No</options>
<option value="3" <?php @print($selected[$k]);?>>Fine</options>
Notes that I don't know:
$_REQUEST
, You will have to adapt the code to match requirements of the framework you are using, if any.
Also, it is customary in many frameworks to use the alternative syntax in view dedicated scripts.
After installing conda in Linux if you are trying to create env just type bash and hit Enter later you can create env
I removed this issue by adding the following lines
add
multiDexEnabled true
in android>app>build.gradle inside defaultConfigadd
implementation 'com.android.support:multidex:1.0.3'
in android>app>build.gradle inside dependencies
I prefer PyQT although it is pretty big. It has all the features that normal QT has, and that's why it's very usable. I think you can use QML with it too.
I don't think that there's any question about the functional approach to programming "catching on", because it's been in use (as a style of programming) for about 40 years. Whenever an OO programmer writes clean code that favors immutable objects, that code is borrowing functional concepts.
However, languages that enforce a functional style are getting lots of virtual ink these days, and whether those languages will become dominant in the future is an open question. My own suspicion is that hybrid, multi-paradigm languages such as Scala or OCaml will likely dominate over "purist" functional languages in the same way that pure OO language (Smalltalk, Beta, etc.) have influenced mainstream programming but haven't ended up as the most widely-used notations.
Finally, I can't resist pointing out that your comments re FP are highly parallel to the remarks I heard from procedural programmers not that many years ago:
Just as graphical user interfaces and "code as a model of the business" were concepts that helped OO become more widely appreciated, I believe that increased use of immutability and simpler (massive) parallelism will help more programmers see the benefits that the functional approach offers. But as much as we've learned in the past 50 or so years that make up the entire history of digital computer programming, I think we still have much to learn. Twenty years from now, programmers will look back in amazement at the primitive nature of the tools we're currently using, including the now-popular OO and FP languages.
For Django 1.6.6:
BASE_DIR = os.path.dirname(os.path.dirname(__file__))
TEMPLATE_DIRS = os.path.join(BASE_DIR, 'templates')
Also static and media for debug and production mode:
STATIC_URL = '/static/'
MEDIA_URL = '/media/'
if DEBUG:
STATIC_ROOT = os.path.join(BASE_DIR, 'static')
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
else:
STATIC_ROOT = %REAL_PATH_TO_PRODUCTION_STATIC_FOLDER%
MEDIA_ROOT = %REAL_PATH_TO_PRODUCTION_MEDIA_FOLDER%
Into urls.py you must add:
from django.conf.urls import patterns, include, url
from django.contrib import admin
from django.conf.urls.static import static
from django.conf import settings
from news.views import Index
admin.autodiscover()
urlpatterns = patterns('',
url(r'^admin/', include(admin.site.urls)),
...
)
urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
In Django 1.8 you can set template paths, backend and other parameters for templates in one dictionary (settings.py):
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [
path.join(BASE_DIR, 'templates')
],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
This z-scores method is quite effective at peak detection, which is also helpful for outlier removal. Outlier conversations frequently debate statistical value of each point and ethics of changing data.
But in the case of repeated, erroneous sensor values from error-prone serial communications or an error-prone sensor, there is no statistical value in errors, or spurious readings. They need to be identified and removed.
Visually the errors are obvious. The straight lines across the plot below shows what needs removing. But identifying and removing errors with an algorithm is quite challenging. Z-scores work well.
The figure below has values acquired from a sensor via serial communications. Occasional serial communication errors, sensor error or both lead to repeated, clearly erroneous data points.
The z-score peak detector was able to signal on spurious data points and generated a clean resulting data set while preserving the features of the correct data:
I've used this before to setup a query against another server and db via linked server:
EXEC sp_addlinkedserver @server='PWA_ProjectServer', @srvproduct='',
@provider='SQLOLEDB', @datasrc='SERVERNAME\PWA_ProjectServer'
per the comment above:
select * from [server].[database].[schema].[table]
e.g.
select top 6 * from [PWA_ProjectServer].[PWA_ProjectServer_Reporting].[dbo].[MSP_AdminStatus]
I have this code in one of my projects:
from datetime import datetime
## datetime.timezone works in newer versions of python
try:
from datetime import timezone
utc_tz = timezone.utc
except:
import pytz
utc_tz = pytz.utc
def _to_utc_date_string(ts):
# type (Union[date,datetime]]) -> str
"""coerce datetimes to UTC (assume localtime if nothing is given)"""
if (isinstance(ts, datetime)):
try:
## in python 3.6 and higher, ts.astimezone() will assume a
## naive timestamp is localtime (and so do we)
ts = ts.astimezone(utc_tz)
except:
## in python 2.7 and 3.5, ts.astimezone() will fail on
## naive timestamps, but we'd like to assume they are
## localtime
import tzlocal
ts = tzlocal.get_localzone().localize(ts).astimezone(utc_tz)
return ts.strftime("%Y%m%dT%H%M%SZ")
There is a library which allows you to use HttpClient with strongly-typed callbacks.
The data and the error are available directly via these callbacks.
When you use HttpClient with Observable, you have to use .subscribe(x=>...) in the rest of your code.
This is because Observable<HttpResponse
<T
>> is tied to HttpResponse.
This tightly couples the http layer with the rest of your code.
This library encapsulates the .subscribe(x => ...) part and exposes only the data and error through your Models.
With strongly-typed callbacks, you only have to deal with your Models in the rest of your code.
The library is called angular-extended-http-client.
angular-extended-http-client library on GitHub
angular-extended-http-client library on NPM
Very easy to use.
The strongly-typed callbacks are
Success:
T
>T
>Failure:
TError
>TError
>import { HttpClientExtModule } from 'angular-extended-http-client';
and in the @NgModule imports
imports: [
.
.
.
HttpClientExtModule
],
//Normal response returned by the API.
export class RacingResponse {
result: RacingItem[];
}
//Custom exception thrown by the API.
export class APIException {
className: string;
}
In your Service, you just create params with these callback types.
Then, pass them on to the HttpClientExt's get method.
import { Injectable, Inject } from '@angular/core'
import { RacingResponse, APIException } from '../models/models'
import { HttpClientExt, IObservable, IObservableError, ResponseType, ErrorType } from 'angular-extended-http-client';
.
.
@Injectable()
export class RacingService {
//Inject HttpClientExt component.
constructor(private client: HttpClientExt, @Inject(APP_CONFIG) private config: AppConfig) {
}
//Declare params of type IObservable<T> and IObservableError<TError>.
//These are the success and failure callbacks.
//The success callback will return the response objects returned by the underlying HttpClient call.
//The failure callback will return the error objects returned by the underlying HttpClient call.
getRaceInfo(success: IObservable<RacingResponse>, failure?: IObservableError<APIException>) {
let url = this.config.apiEndpoint;
this.client.get(url, ResponseType.IObservable, success, ErrorType.IObservableError, failure);
}
}
In your Component, your Service is injected and the getRaceInfo API called as shown below.
ngOnInit() {
this.service.getRaceInfo(response => this.result = response.result,
error => this.errorMsg = error.className);
}
Both, response and error returned in the callbacks are strongly typed. Eg. response is type RacingResponse and error is APIException.
You only deal with your Models in these strongly-typed callbacks.
Hence, The rest of your code only knows about your Models.
Also, you can still use the traditional route and return Observable<HttpResponse<
T>
> from Service API.
That's not how you do it.
>>> ''.join(['first', 'second', 'other'])
'firstsecondother'
is what you want.
If you do it in a for
loop, it's going to be inefficient as string "addition"/concatenation doesn't scale well (but of course it's possible):
>>> mylist = ['first', 'second', 'other']
>>> s = ""
>>> for item in mylist:
... s += item
...
>>> s
'firstsecondother'
Yes, use the rendered
attribute.
<h:form rendered="#{some boolean condition}">
You usually tie it to the model rather than letting the model grab the component and manipulate it.
E.g.
<h:form rendered="#{bean.booleanValue}" />
<h:form rendered="#{bean.intValue gt 10}" />
<h:form rendered="#{bean.objectValue eq null}" />
<h:form rendered="#{bean.stringValue ne 'someValue'}" />
<h:form rendered="#{not empty bean.collectionValue}" />
<h:form rendered="#{not bean.booleanValue and bean.intValue ne 0}" />
<h:form rendered="#{bean.enumValue eq 'ONE' or bean.enumValue eq 'TWO'}" />
Note the importance of keyword based EL operators such as gt
, ge
, le
and lt
instead of >
, >=
, <=
and <
as angle brackets <
and >
are reserved characters in XML. See also this related Q&A: Error parsing XHTML: The content of elements must consist of well-formed character data or markup.
As to your specific use case, let's assume that the link is passing a parameter like below:
<a href="page.xhtml?form=1">link</a>
You can then show the form as below:
<h:form rendered="#{param.form eq '1'}">
(the #{param}
is an implicit EL object referring to a Map
representing the request parameters)
In addition to the accepted answer from 2009. If you can can target modern browsers, one can make use of the Object.defineProperty.
The Object.defineProperty() method defines a new property directly on an object, or modifies an existing property on an object, and returns the object. Source: Mozilla
var Foo = (function () {
function Foo() {
this._bar = false;
}
Object.defineProperty(Foo.prototype, "bar", {
get: function () {
return this._bar;
},
set: function (theBar) {
this._bar = theBar;
},
enumerable: true,
configurable: true
});
Foo.prototype.toTest = function () {
alert("my value is " + this.bar);
};
return Foo;
}());
// test instance
var test = new Foo();
test.bar = true;
test.toTest();
To see a desktop and mobile compatibility list, see Mozilla's Browser Compatibility list. Yes, IE9+ supports it as well as Safari mobile.
var payeeCountry = document.getElementById( "payeeCountry" );
alert( payeeCountry.options[ yourSelect.selectedIndex ].value );
You should remove the '@' before 'name'; it's not needed anymore (for current jQuery versions).
You're want to return all checked elements with name 'test2', but you don't have any elements with that name, you're using an id of 'test2'.
If you're going to use IDs, just try:
return $('#test2').attr('checked');
You need a terminal multiplexer like either tmux or GNU screen
I'm surprised that a small comment by Ryan Amos' to the original question is the only mention of a solution far preferable to all the others on offer, no matter how clever the python trickery may be and how many upvotes they've received. Further to Ryan's comment, tmux is a nice alternative to GNU screen.
But the principle is the same: if you ever find yourself wanting to leave a terminal job running while you log-out, head to the cafe for a sandwich, pop to the bathroom, go home (etc) and then later, reconnect to your terminal session from anywhere or any computer as though you'd never been away, terminal multiplexers are the answer. Think of them as VNC or remote desktop for terminal sessions. Anything else is a workaround. As a bonus, when the boss and/or partner comes in and you inadvertently ctrl-w / cmd-w your terminal window instead of your browser window with its dodgy content, you won't have lost the last 18 hours-worth of processing!
You can use display:inline-block
.
This property allows a DOM element to have all the attributes of a block element, but keeping it inline. There's some drawbacks, but most of the time it's good enough. Why it's good and why it may not work for you.
EDIT: The only modern browser that has some problems with it is IE7. See Quirksmode.org
you can use lst.pop()
or del lst[-1]
pop()
removes and returns the item, in case you don't want have a return use del
Try below code,
$text = implode(' ', array_slice(explode(' ', $text), 0, 32))
echo $text;
you can't use VALUES
clause when inserting data using another SELECT
query. see INSERT SYNTAX
INSERT INTO user
(
id, name, username, email, opted_in
)
(
SELECT id, name, username, email, opted_in
FROM user
LEFT JOIN user_permission AS userPerm
ON user.id = userPerm.user_id
);
Drop it in a cron job that runs every night (afternoon?) when you're sleeping.
For me the issue wasn't six
but rst2pdf
itself. head -1 $(which rst2pdf)
(3.8) didn't match python3 --version
(3.9). My solution:
pip3 install rst2pdf
jQuery(document).ready(function($) {_x000D_
$('a[href^="#"]').bind('click.smoothscroll',function (e) {_x000D_
e.preventDefault();_x000D_
var target = this.hash,_x000D_
$target = $(target);_x000D_
_x000D_
$('html, body').stop().animate( {_x000D_
'scrollTop': $target.offset().top-40_x000D_
}, 900, 'swing', function () {_x000D_
window.location.hash = target;_x000D_
} );_x000D_
} );_x000D_
} );
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
_x000D_
_x000D_
<ul role="tablist">_x000D_
<li class="active" id="p1"><a href="#pane1" role="tab">Section 1</a></li>_x000D_
<li id="p2"><a href="#pane2" role="tab">Section 2</a></li>_x000D_
<li id="p3"><a href="#pane3" role="tab">Section 3</a></li>_x000D_
</ul>_x000D_
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It is important to define an id in the model
.DataSource(dataSource => dataSource
.Ajax()
.PageSize(20)
.Model(model => model.Id(p => p.id))
)
Right click on data which you want to store
For me, It was an issue where in the IIS binding it had the IP address of the web server. I changed it to use all unassigned IPs and my application started to work.
Step: 1 Create Properties declare class
export class Task {
title: string;
priority: Array<any>;
comment: string;
constructor() {
this.title = '';
this.priority = [];
this.comment = '';
}
}
Stem: 2 Your Component Class
import { Task } from './task';
export class TaskComponent implements OnInit {
priorityList: Array<any> = [
{ value: 0, label: '?' },
{ value: 1, label: '?' },
{ value: 2, label: '??' },
{ value: 3, label: '???' },
{ value: 4, label: '????' },
{ value: 5, label: '?????' }
];
taskModel: Task = new Task();
constructor(private taskService: TaskService) { }
ngOnInit() {
this.taskModel.priority = [3]; // index number
}
}
Step: 3 View File .html
<select class="form-control" name="priority" [(ngModel)]="taskModel.priority" required>
<option *ngFor="let list of priorityList" [value]="list.value">
{{list.label}}
</option>
</select>
Output:
No, I don't believe there is any way to forward-declare a function in Python.
Imagine you are the Python interpreter. When you get to the line
print "\n".join([str(bla) for bla in sorted(mylist, cmp = cmp_configs)])
either you know what cmp_configs is or you don't. In order to proceed, you have to know cmp_configs. It doesn't matter if there is recursion.
DateTimeOffset
is a representation of instantaneous time (also known as absolute time). By that, I mean a moment in time that is universal for everyone (not accounting for leap seconds, or the relativistic effects of time dilation). Another way to represent instantaneous time is with a DateTime
where .Kind
is DateTimeKind.Utc
.
This is distinct from calendar time (also known as civil time), which is a position on someone's calendar, and there are many different calendars all over the globe. We call these calendars time zones. Calendar time is represented by a DateTime
where .Kind
is DateTimeKind.Unspecified
, or DateTimeKind.Local
. And .Local
is only meaningful in scenarios where you have an implied understanding of where the computer that is using the result is positioned. (For example, a user's workstation)
So then, why DateTimeOffset
instead of a UTC DateTime
? It's all about perspective. Let's use an analogy - we'll pretend to be photographers.
Imagine you are standing on a calendar timeline, pointing a camera at a person on the instantaneous timeline laid out in front of you. You line up your camera according to the rules of your timezone - which change periodically due to daylight saving time, or due to other changes to the legal definition of your time zone. (You don't have a steady hand, so your camera is shaky.)
The person standing in the photo would see the angle at which your camera came from. If others were taking pictures, they could be from different angles. This is what the Offset
part of the DateTimeOffset
represents.
So if you label your camera "Eastern Time", sometimes you are pointing from -5, and sometimes you are pointing from -4. There are cameras all over the world, all labeled different things, and all pointing at the same instantaneous timeline from different angles. Some of them are right next to (or on top of) each other, so just knowing the offset isn't enough to determine which timezone the time is related to.
And what about UTC? Well, it's the one camera out there that is guaranteed to have a steady hand. It's on a tripod, firmly anchored into the ground. It's not going anywhere. We call its angle of perspective the zero offset.
So - what does this analogy tell us? It provides some intuitive guidelines-
If you are representing time relative to some place in particular, represent it in calendar time with a DateTime
. Just be sure you don't ever confuse one calendar with another. Unspecified
should be your assumption. Local
is only useful coming from DateTime.Now
. For example, I might get DateTime.Now
and save it in a database - but when I retrieve it, I have to assume that it is Unspecified
. I can't rely that my local calendar is the same calendar that it was originally taken from.
If you must always be certain of the moment, make sure you are representing instantaneous time. Use DateTimeOffset
to enforce it, or use UTC DateTime
by convention.
If you need to track a moment of instantaneous time, but you want to also know "What time did the user think it was on their local calendar?" - then you must use a DateTimeOffset
. This is very important for timekeeping systems, for example - both for technical and legal concerns.
If you ever need to modify a previously recorded DateTimeOffset
- you don't have enough information in the offset alone to ensure that the new offset is still relevant for the user. You must also store a timezone identifier (think - I need the name of that camera so I can take a new picture even if the position has changed).
It should also be pointed out that Noda Time has a representation called ZonedDateTime
for this, while the .Net base class library does not have anything similar. You would need to store both a DateTimeOffset
and a TimeZoneInfo.Id
value.
Occasionally, you will want to represent a calendar time that is local to "whomever is looking at it". For example, when defining what today means. Today is always midnight to midnight, but these represent a near-infinite number of overlapping ranges on the instantaneous timeline. (In practice we have a finite number of timezones, but you can express offsets down to the tick) So in these situations, make sure you understand how to either limit the "who's asking?" question down to a single time zone, or deal with translating them back to instantaneous time as appropriate.
Here are a few other little bits about DateTimeOffset
that back up this analogy, and some tips for keeping it straight:
If you compare two DateTimeOffset
values, they are first normalized to zero offset before comparing. In other words, 2012-01-01T00:00:00+00:00
and 2012-01-01T02:00:00+02:00
refer to the same instantaneous moment, and are therefore equivalent.
If you are doing any unit testing and need to be certain of the offset, test both the DateTimeOffset
value, and the .Offset
property separately.
There is a one-way implicit conversion built in to the .Net framework that lets you pass a DateTime
into any DateTimeOffset
parameter or variable. When doing so, the .Kind
matters. If you pass a UTC kind, it will carry in with a zero offset, but if you pass either .Local
or .Unspecified
, it will assume to be local. The framework is basically saying, "Well, you asked me to convert calendar time to instantaneous time, but I have no idea where this came from, so I'm just going to use the local calendar." This is a huge gotcha if you load up an unspecified DateTime
on a computer with a different timezone. (IMHO - that should throw an exception - but it doesn't.)
Shameless Plug:
Many people have shared with me that they find this analogy extremely valuable, so I included it in my Pluralsight course, Date and Time Fundamentals. You'll find a step-by-step walkthrough of the camera analogy in the second module, "Context Matters", in the clip titled "Calendar Time vs. Instantaneous Time".
Other answers work, but
To get the full/default price:
$product->get_price_html();
Theta Join:
When you make a query for join using any operator,(e.g., =, <, >, >= etc.), then that join query comes under Theta join.
Equi Join:
When you make a query for join using equality operator only, then that join query comes under Equi join.
Example:
> SELECT * FROM Emp JOIN Dept ON Emp.DeptID = Dept.DeptID; > SELECT * FROM Emp INNER JOIN Dept USING(DeptID)
This will show: _________________________________________________ | Emp.Name | Emp.DeptID | Dept.Name | Dept.DeptID | | | | | |
Note: Equi join is also a theta join!
Natural Join:
a type of Equi Join which occurs implicitly by comparing all the same names columns in both tables.
Note: here, the join result has only one column for each pair of same named columns.
Example
SELECT * FROM Emp NATURAL JOIN Dept
This will show: _______________________________ | DeptID | Emp.Name | Dept.Name | | | | |
I was able to resolve this issue on my machine by renaming folders to make the folder path smaller.
DTD is pretty much deprecated because it is limited in its usefulness as a schema language, doesn't support namespace, and does not support data type. In addition, DTD's syntax is quite complicated, making it difficult to understand and maintain..
Review your first line. Your stack trace is clearly not from the code you've pasted here, so I don't know precisely what you've done.
>>> my_set=([1,2,3,4])
>>> my_set
[1, 2, 3, 4]
>>> type(my_set)
<type 'list'>
>>> list(my_set)
[1, 2, 3, 4]
>>> type(_)
<type 'list'>
What you wanted was set([1, 2, 3, 4])
.
>>> my_set = set([1, 2, 3, 4])
>>> my_set
set([1, 2, 3, 4])
>>> type(my_set)
<type 'set'>
>>> list(my_set)
[1, 2, 3, 4]
>>> type(_)
<type 'list'>
The "not callable" exception means you were doing something like set()()
- attempting to call a set
instance.
In a regular expression, you can "capture" parts of the matched string with (brackets)
; in this case, you are capturing the (^|_)
and ([a-z])
parts of the match. These are numbered starting at 1, so you have back-references 1 and 2. Match 0 is the whole matched string.
The /e
modifier takes a replacement string, and substitutes backslash followed by a number (e.g. \1
) with the appropriate back-reference - but because you're inside a string, you need to escape the backslash, so you get '\\1'
. It then (effectively) runs eval
to run the resulting string as though it was PHP code (which is why it's being deprecated, because it's easy to use eval
in an insecure way).
The preg_replace_callback
function instead takes a callback function and passes it an array containing the matched back-references. So where you would have written '\\1'
, you instead access element 1 of that parameter - e.g. if you have an anonymous function of the form function($matches) { ... }
, the first back-reference is $matches[1]
inside that function.
So a /e
argument of
'do_stuff(\\1) . "and" . do_stuff(\\2)'
could become a callback of
function($m) { return do_stuff($m[1]) . "and" . do_stuff($m[2]); }
Or in your case
'strtoupper("\\2")'
could become
function($m) { return strtoupper($m[2]); }
Note that $m
and $matches
are not magic names, they're just the parameter name I gave when declaring my callback functions. Also, you don't have to pass an anonymous function, it could be a function name as a string, or something of the form array($object, $method)
, as with any callback in PHP, e.g.
function stuffy_callback($things) {
return do_stuff($things[1]) . "and" . do_stuff($things[2]);
}
$foo = preg_replace_callback('/([a-z]+) and ([a-z]+)/', 'stuffy_callback', 'fish and chips');
As with any function, you can't access variables outside your callback (from the surrounding scope) by default. When using an anonymous function, you can use the use
keyword to import the variables you need to access, as discussed in the PHP manual. e.g. if the old argument was
'do_stuff(\\1, $foo)'
then the new callback might look like
function($m) use ($foo) { return do_stuff($m[1], $foo); }
preg_replace_callback
is instead of the /e
modifier on the regex, so you need to remove that flag from your "pattern" argument. So a pattern like /blah(.*)blah/mei
would become /blah(.*)blah/mi
./e
modifier used a variant of addslashes()
internally on the arguments, so some replacements used stripslashes()
to remove it; in most cases, you probably want to remove the call to stripslashes
from your new callback.The most recent versions of hibernate JPA provider applies the bean validation constraints (JSR 303) like @NotNull
to DDL by default (thanks to hibernate.validator.apply_to_ddl property
defaults to true
). But there is no guarantee that other JPA providers do or even have the ability to do that.
You should use bean validation annotations like @NotNull
to ensure, that bean properties are set to a none-null value, when validating java beans in the JVM (this has nothing to do with database constraints, but in most situations should correspond to them).
You should additionally use the JPA annotation like @Column(nullable = false)
to give the jpa provider hints to generate the right DDL for creating table columns with the database constraints you want. If you can or want to rely on a JPA provider like Hibernate, which applies the bean validation constraints to DDL by default, then you can omit them.
Here is the codepen demo showing the solution:
Important highlights:
html
, body
, ... .container
, should have the height set to 100%flex
to ANY of the flex items will trigger calculation of the items sizes based on flex distribution:
flex
, for example: flex: 1
then this flex item will occupy the remaining of the spaceflex
property, the calculation will be more complicated. For example, if the item 1 is set to flex: 1
and the item 2 is se to flex: 2
then the item 2 will take twice more of the remaining space
flex-direction
propertyflex
property: https://www.w3.org/TR/css-flexbox-1/#propdef-flex
min-*
and max-*
will be respectedLatest versions of Excel has a new tool called Slicers. Using slicers in VBA is actually more reliable that .CurrentPage (there have been reports of bugs while looping through numerous filter options). Here is a simple example of how you can select a slicer item (remember to deselect all the non-relevant slicer values):
Sub Step_Thru_SlicerItems2()
Dim slItem As SlicerItem
Dim i As Long
Dim searchName as string
Application.ScreenUpdating = False
searchName="Value1"
For Each slItem In .VisibleSlicerItems
If slItem.Name <> .SlicerItems(1).Name Then _
slItem.Selected = False
Else
slItem.Selected = True
End if
Next slItem
End Sub
There are also services like SmartKato that would help you out with setting up your dashboards or reports and/or fix your code.
var results = from p in persons
group p by p.PersonID into g
select new { PersonID = g.Key,
/**/car = g.Select(g=>g.car).FirstOrDefault()/**/}
Go to file ---> switch workspace .It will work
it may be very old post, but I would like to share my experience. I had the same issue when I used Pycharm and I installed the package from Project Interpreter page in the Project Settings/Preferences... That fixed the issue, please check below link: https://www.jetbrains.com/help/pycharm/installing-uninstalling-and-upgrading-packages.html?_ga=2.41088674.1813230270.1594526819-1842497340.1594080707
import platform
platform.architecture()
From the Python docs:
Queries the given executable (defaults to the Python interpreter binary) for various architecture information.
Returns a tuple (bits, linkage) which contain information about the bit architecture and the linkage format used for the executable. Both values are returned as strings.
An unhandled exception will (assuming it's repeatable like bad data as opposed to read errors from a particular data node) eventually fail the job anyway.
You can configure the maximum number of times a particular map or reduce task can fail before the entire job fails through the following properties:
mapred.map.max.attempts
- The maximum number of attempts per map task. In other words, framework will try to execute a map task these many number of times before giving up on it.mapred.reduce.max.attempts
- Same as above, but for reduce tasksIf you want to fail the job out at the first failure, set this value from its default of 4 to 1.
There's nothing innately wrong with the string form.
Rather than avoid the "global" strict form for worry of concatenating non-strict javascript, it's probably better to just fix the damn non-strict javascript to be strict.
I've not tried it myself, but Visual Studio 2005 (and later) support the concept of Debugger Visualizers. This allows you to customize how an object is shown in the IDE. Check out this article for more details.
http://davidhayden.com/blog/dave/archive/2005/12/26/2645.aspx
I had the same problem. Could fix it by stopping the World Wide Web Publishing Service under running services.
$address = str_replace(" ", "+", $address);
$json = file_get_contents("http://maps.google.com/maps/api/geocode/json?address=$address&sensor=false®ion=$region");
$json = json_decode($json);
$lat = $json->{'results'}[0]->{'geometry'}->{'location'}->{'lat'};
$long = $json->{'results'}[0]->{'geometry'}->{'location'}->{'lng'};
use the spread value...
box-shadow has the following values
box-shadow: x y blur spread color;
so you could use something like..
box-shadow: 0px -10px 10px -10px black;
UPDATE: i'm adding a jsfiddle
The library sugar.js has some great functionality for working with dates in JavaScript. And it is very well documented.
Sugar gives the Date class much love starting with the Date.create method which can understand dates in just about any format in 15 major languages, including relative formats like "1 hour ago". Dates can also be output in any format or language using an easy to understand syntax, with shortcuts to commonly used date formats. Complex date comparison is also possible with methods like is, which understand any format and apply built in precision.
A few examples:
Date.create('July 4, 1776') -> July 4, 1776
Date.create(-446806800000) -> November 5, 1955
Date.create(1776, 6, 4) -> July 4, 1776
Date.create('1776?07?04?', 'ja') -> July 4, 1776
Date.utc.create('July 4, 1776', 'en') -> July 4, 1776
Date.create().format('{Weekday} {d} {Month}, {yyyy}') -> Monday July 4, 2003
Date.create().format('{hh}:{mm}') -> 15:57
Date.create().format('{12hr}:{mm}{tt}') -> 3:57pm
Date.create().format(Date.ISO8601_DATETIME) -> 2011-07-05 12:24:55.528Z
Date.create().is('the 7th of June') -> false
Date.create().addMonths(2); ->"Sunday, June 15, 2014 13:39"
Omar's solution is decent* if you cannot upgrade your environment to .NET 4.5 in order to gain access to the async and await APIs. That said, there here is one important change that should be made in order to avoid poor performance. A slight delay should be added between calls to Application.DoEvents() in order to prevent excessive CPU usage. By adding
Thread.Sleep(1);
before the call to Application.DoEvents(), you can add such a delay (1 millisecond) and prevent the application from using all of the cpu cycles available to it.
private void WaitNSeconds(int seconds)
{
if (seconds < 1) return;
DateTime _desired = DateTime.Now.AddSeconds(seconds);
while (DateTime.Now < _desired) {
Thread.Sleep(1);
System.Windows.Forms.Application.DoEvents();
}
}
*See https://blog.codinghorror.com/is-doevents-evil/ for a more detailed discussion on the potential pitfalls of using Application.DoEvents().
This isn't the bubble sort algorithm, you need to repeat until you have nothing to swap :
public void sortArray(int[] x) {//go through the array and sort from smallest to highest
for(;;) {
boolean s = false;
for(int i=1; i<x.length; i++) {
int temp=0;
if(x[i-1] > x[i]) {
temp = x[i-1];
x[i-1] = x[i];
x[i] = temp;
s = true;
}
}
if (!s) return;
}
}
My few cents to previous excellent replies. the site www.sqlite.org works on a sqlite database. Here is the link when the author (Richard Hipp) replies to a similar question.
There are several other ways, besides using the in
operator (easiest):
index()
>>> try:
... "xxxxABCDyyyy".index("test")
... except ValueError:
... print "not found"
... else:
... print "found"
...
not found
find()
>>> if "xxxxABCDyyyy".find("ABCD") != -1:
... print "found"
...
found
re
>>> import re
>>> if re.search("ABCD" , "xxxxABCDyyyy"):
... print "found"
...
found
You can use a BehaviorSubject
for communicating between different components throughout the app. You can define a data sharing service containing the BehaviorSubject
to which you can subscribe and emit changes.
Define a data sharing service
import { Injectable } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
@Injectable()
export class DataSharingService {
public isUserLoggedIn: BehaviorSubject<boolean> = new BehaviorSubject<boolean>(false);
}
Add the DataSharingService
in your AppModule
providers entry.
Next, import the DataSharingService
in your <app-header>
and in the component where you perform the sign-in operation. In <app-header>
subscribe to the changes to isUserLoggedIn
subject:
import { DataSharingService } from './data-sharing.service';
export class AppHeaderComponent {
// Define a variable to use for showing/hiding the Login button
isUserLoggedIn: boolean;
constructor(private dataSharingService: DataSharingService) {
// Subscribe here, this will automatically update
// "isUserLoggedIn" whenever a change to the subject is made.
this.dataSharingService.isUserLoggedIn.subscribe( value => {
this.isUserLoggedIn = value;
});
}
}
In your <app-header>
html template, you need to add the *ngIf
condition e.g.:
<button *ngIf="!isUserLoggedIn">Login</button>
<button *ngIf="isUserLoggedIn">Sign Out</button>
Finally, you just need to emit the event once the user has logged in e.g:
someMethodThatPerformsUserLogin() {
// Some code
// .....
// After the user has logged in, emit the behavior subject changes.
this.dataSharingService.isUserLoggedIn.next(true);
}
Try the following:
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^http://(www\.)?localhost [NC]
RewriteCond %{HTTP_REFERER} !^http://(www\.)?localhost.*$ [NC]
RewriteRule \.(gif|jpg)$ - [F]
Returns 403, if you access images directly, but allows them to be displayed on site.
Note: It is possible that when you open some page with image and then copy that image's path into the address bar you can see that image, it is only because of the browser's cache, in fact that image has not been loaded from the server (from Davo, full comment below).
Have a look at the ToolStrip.Items collection. It even has a find method available.
XmlDocument.Attributes
perhaps? (Which has a method GetNamedItem that will presumably do what you want, although I've always just iterated the attribute collection)
Complicated way but works:
$num = '125.0100';
$index = $num[strlen($num)-1];
$i = strlen($num)-1;
while($index == '0') {
if ($num[$i] == '0') {
$num[$i] = '';
$i--;
}
$index = $num[$i];
}
//remove dot if no numbers exist after dot
$explode = explode('.', $num);
if (isset($explode[1]) && intval($explode[1]) <= 0) {
$num = intval($explode[0]);
}
echo $num; //125.01
the solutions above are the optimal way but in case you want to have your own you could use this. What this algorithm does it starts at the end of string and checks if its 0, if it is it sets to empty string and then goes to the next character from back untill the last character is > 0
See String Formatting Operations:
%d
is the format code for an integer. %f
is the format code for a float.
%s
prints the str()
of an object (What you see when you print(object)
).
%r
prints the repr()
of an object (What you see when you print(repr(object))
.
For a float %s, %r and %f all display the same value, but that isn't the case for all objects. The other fields of a format specifier work differently as well:
>>> print('%10.2s' % 1.123) # print as string, truncate to 2 characters in a 10-place field.
1.
>>> print('%10.2f' % 1.123) # print as float, round to 2 decimal places in a 10-place field.
1.12
Solution for me in 11.2019
Hello i tried a lot of things, but nothing worked. Try just to connect to this site https://cdn.cocoapods.org/ if you can't so just use VPN and do pod install
etc. And don't forget to use --verbose
for understanding what's happening.
Here's a list of the environment variables. I think you might want CURRENT_VARIANT
. See also BUILD_VARIANTS
.
Disable the fields and then enable them before the form is submitted:
jQuery code:
jQuery(function ($) {
$('form').bind('submit', function () {
$(this).find(':input').prop('disabled', false);
});
});
My solution:
Edit > Past Special > Paste XML As Classes
to get the class in your codeList<class1
>), then use the XmlSerializer
to serialize that list to a xml
file.deserialize
it.Code:
StreamReader sr = new StreamReader(@"C:\Users\duongngh\Desktop\Newfolder\abc.txt");
XmlSerializer xml = new XmlSerializer(typeof(Class1[]));
var a = xml.Deserialize(sr);
sr.Close();
NOTE: you must pay attention to the root name, don't change it. Mine is "ArrayOfClass1"