1) A property is in the DOM; an attribute is in the HTML that is parsed into the DOM.
2) $( elem ).attr( "checked" ) (1.6.1+) "checked" (String) Will change with checkbox state
3) $( elem ).attr( "checked" ) (pre-1.6) true (Boolean) Changed with checkbox state
Mostly we want to use for DOM object rather then custom attribute
like data-img, data-xyz
.
Also some of difference when accessing checkbox
value and href
with attr()
and prop()
as thing change with DOM output with
prop()
as full link from origin
and Boolean
value for checkbox
(pre-1.6)
We can only access DOM elements with prop
other then it gives undefined
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.0/jquery.min.js"></script>_x000D_
<!doctype html>_x000D_
<html lang="en">_x000D_
_x000D_
<head>_x000D_
<meta charset="utf-8">_x000D_
<title>prop demo</title>_x000D_
<style>_x000D_
p {_x000D_
margin: 20px 0 0;_x000D_
}_x000D_
b {_x000D_
color: blue;_x000D_
}_x000D_
</style>_x000D_
_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
_x000D_
<input id="check1" type="checkbox" checked="checked">_x000D_
<label for="check1">Check me</label>_x000D_
<p></p>_x000D_
_x000D_
<script>_x000D_
$("input").change(function() {_x000D_
var $input = $(this);_x000D_
$("p").html(_x000D_
".attr( \"checked\" ): <b>" + $input.attr("checked") + "</b><br>" +_x000D_
".prop( \"checked\" ): <b>" + $input.prop("checked") + "</b><br>" +_x000D_
".is( \":checked\" ): <b>" + $input.is(":checked")) + "</b>";_x000D_
}).change();_x000D_
</script>_x000D_
_x000D_
</body>_x000D_
_x000D_
</html>
_x000D_
You can start a thread like:
Thread thread=new Thread(new Runnable() {
@Override
public void run() {
try {
//Do you task
}catch (Exception ex){
ex.printStackTrace();}
}
});
thread.start();
To stop a Thread:
thread.join();//it will kill you thread
//if you want to know whether your thread is alive or dead you can use
System.out.println("Thread is "+thread.isAlive());
Its advisable to create a new thread rather than restarting it.
Take a look at the JavaDoc for RestTemplate.
There is the corresponding getForObject
methods that are the HTTP GET equivalents of postForObject
, but they doesn't appear to fulfil your requirements of "GET with headers", as there is no way to specify headers on any of the calls.
Looking at the JavaDoc, no method that is HTTP GET specific allows you to also provide header information. There are alternatives though, one of which you have found and are using. The exchange
methods allow you to provide an HttpEntity
object representing the details of the request (including headers). The execute
methods allow you to specify a RequestCallback
from which you can add the headers upon its invocation.
Not Obvious, But Fast
f, u = pd.factorize(df.name.values)
counts = np.bincount(f)
u[counts == counts.max()]
array(['alex', 'helen'], dtype=object)
You can get user input using BufferedReader
.
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String accStr;
System.out.println("Enter your Account number: ");
accStr = br.readLine();
It will store a String
value in accStr
so you have to parse it to an int
using Integer.parseInt
.
int accInt = Integer.parseInt(accStr);
Deprecated in general means "don't use it".
A deprecated function may or may not work, but it is not guaranteed to work.
Stuarts' answer is correct, but if you are not sure if you are saving the titles in lowercase, you can also make a case insensitive search
There are a lot of answered questions in Stack Overflow with more data on this:
I struggled with this issue for a long time... My solution was to modify the php.ini file, in the folder that contained the php script. This was important, as modifying the php.ini at the root did not resolve the problem (I have a php.ini in each folder for granular control). The relevant entries in my php.ini looked like this.... (the output_buffering is not likely needed for this issue)
output_buffering = On
upload_max_filesize = 20M
post_max_size = 21M
I'll try to keep this short, I've done this a few months ago for a game I was trying to build, it does a UDP "Client-Server" connection that acts like TCP, you can send (message) (message + object) using this. I've done some testing with it and it works just fine, feel free to modify it if needed.
The registry path for official images (without a slash in the name) is library/<image>
. Try this instead:
docker pull registry.hub.docker.com/library/busybox
The solution for your question is:
public static void restartActivity(Activity act){
Intent intent=new Intent();
intent.setClass(act, act.getClass());
((Activity)act).startActivity(intent);
((Activity)act).finish();
}
You need to cast to activity context to start new activity and as well as to finish the current activity.
Hope this helpful..and works for me.
Your family tree should use directed relations. This way you won't have a cycle.
if somebody else comes across this... and you really need to drop it like while in a loop, you can just delete all from the table variable:
DELETE FROM @tableVariableName
Most of answers works beside a fact, that when u scroll to the bottom, listener is triggered several times, which in my case is undesirable. To avoid this behavior I've added flag scrollPositionChanged that checks if scroll position even changed before calling method once again.
public class EndDetectingScrollView extends ScrollView {
private boolean scrollPositionChanged = true;
private ScrollEndingListener scrollEndingListener;
public interface ScrollEndingListener {
void onScrolledToEnd();
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
View view = this.getChildAt(this.getChildCount() - 1);
int diff = (view.getBottom() - (this.getHeight() + this.getScrollY()));
if (diff <= 0) {
if (scrollPositionChanged) {
scrollPositionChanged = false;
if (scrollEndingListener != null) {
scrollEndingListener.onScrolledToEnd();
}
}
} else {
scrollPositionChanged = true;
}
}
public void setScrollEndingListener(ScrollEndingListener scrollEndingListener) {
this.scrollEndingListener = scrollEndingListener;
}
}
Then just set listener
scrollView.setScrollEndingListener(new EndDetectingScrollView.ScrollEndingListener() {
@Override
public void onScrolledToEnd() {
//do your stuff here
}
});
You may do the same thing if u do in like
scrollView.getViewTreeObserver().addOnScrollChangedListener(...)
but you have to provide flag from class your adding this listener.
Once you have IIS Express installed (the easiest way is through Microsoft Web Platform Installer), you will find the executable file in %PROGRAMFILES%\IIS Express
(%PROGRAMFILES(x86)%\IIS Express
on x64 architectures) and its called iisexpress.exe
.
To see all the possible command-line options, just run:
iisexpress /?
and the program detailed help will show up.
If executed without parameters, all the sites defined in the configuration file and marked to run at startup will be launched. An icon in the system tray will show which sites are running.
There are a couple of useful options once you have some sites created in the configuration file (found in %USERPROFILE%\Documents\IISExpress\config\applicationhost.config
): the /site
and /siteId
.
With the first one, you can launch a specific site by name:
iisexpress /site:SiteName
And with the latter, you can launch by specifying the ID:
iisexpress /siteId:SiteId
With this, if IISExpress is launched from the command-line, a list of all the requests made to the server will be shown, which can be quite useful when debugging.
Finally, a site can be launched by specifying the full directory path. IIS Express will create a virtual configuration file and launch the site (remember to quote the path if it contains spaces):
iisexpress /path:FullSitePath
This covers the basic IISExpress usage from the command line.
/*working only in ipad portrait device*/
@media only screen and (width: 768px) and (height: 1024px) and (orientation:portrait) {
body{
background: red !important;
}
}
/*working only in ipad landscape device*/
@media all and (width: 1024px) and (height: 768px) and (orientation:landscape){
body{
background: green !important;
}
}
In the media query of specific devices, please use '!important' keyword to override the default CSS. Otherwise that does not change your webpage view on that particular devices.
x=[1,2,3,4,5]
sum=0
for s in range(0,len(x)):
sum=sum+x[s]
print sum
I happened to have to set up Apache & PHP on two laptops recently. After much weeping and gnashing of teeth, I noticed in phpinfo's output that (for whatever reason: not paying attention during PHP install, bad installer) Apache expected php.ini to be somewhere where it wasn't.
Two choices:
... and restart Apache. Timezone settings should be recognized at that point.
Inside bootstrap.css search the next code:
.fixed-table-body {
overflow-x: auto;
overflow-y: auto;
height: 100%;
}
...and update with this:
.fixed-table-body {
overflow-x: visible;
overflow-y: visible;
height: 100%;
}
If question i.e.
$a = [
[
"_id" => "5a96933414d48831a41901f2",
"discount_amount" => 3.29,
"discount_id" => "5a92656a14d488570c2c44a2",
],
[
"_id" => "5a9790fd14d48879cf16a9e8",
"discount_amount" => 4.53,
"discount_id" => "5a9265b914d488548513b122",
],
[
"_id" => "5a98083614d488191304b6c3",
"discount_amount" => 15.24,
"discount_id" => "5a92806a14d48858ff5c2ec3",
],
[
"_id" => "5a982a4914d48824721eafe3",
"discount_amount" => 45.74,
"discount_id" => "5a928ce414d488609e73b443",
],
[
"_id" => "5a982a4914d48824721eafe55",
"discount_amount" => 10.26,
"discount_id" => "5a928ce414d488609e73b443",
],
];
Ans:
function searchForId($id, $array) {
$did=0;
$dia=0;
foreach ($array as $key => $val) {
if ($val['discount_id'] === $id) {
$dia +=$val['discount_amount'];
$did++;
}
}
if($dia != '') {
echo $dia;
var_dump($did);
}
return null;
};
print_r(searchForId('5a928ce414d488609e73b443',$a));
You can do this:
sql = "Select * from ... your sql query here"
records_array = ActiveRecord::Base.connection.execute(sql)
records_array
would then be the result of your sql query in an array which you can iterate through.
It is also beneficial to store data into sessionStorage
// Save data to sessionStorage
sessionStorage.setItem('key', 'value');
// Get saved data from sessionStorage
var data = sessionStorage.getItem('key');
// Remove saved data from sessionStorage
sessionStorage.removeItem('key');
// Remove all saved data from sessionStorage
sessionStorage.clear();
for details https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage
UTF-8 is variable 1 to 4 bytes.
UTF-16 is variable 2 or 4 bytes.
UTF-32 is fixed 4 bytes.
Note: UTF-8 can take 1 to 6 bytes with latest convention: https://lists.gnu.org/archive/html/help-flex/2005-01/msg00030.html
if you are getting id from url try
$id = (isset($_GET['id']) ? $_GET['id'] : '');
if getting from form you need to use POST
method cause your form has method="post"
$id = (isset($_POST['id']) ? $_POST['id'] : '');
For php notices use isset()
or empty()
to check values exist or not or initialize variable first with blank or a value
$id= '';
I had to figure it out myself but some svgs your need to match the viewBox & width+height in.
E.g. if it already has width="x"
height="y"
then =>
add <svg ... viewBox="0 0 [width] [height]">
and the opposite.
After that it will scale with <svg ... style="width: xxx; height: yyy;">
In this case, it turns out the error is very clear: Entity Framework cannot track an entity using multiple instances of IEntityChangeTracker
or typically, multiple instances of DbContext
. The solutions are: use one instance of DbContext
; access all needed entities through a single repository (depending on one instance of DbContext
); or turning off tracking for all entities accessed via a repository other than the one throwing this particular exception.
When following an inversion of control pattern in .Net Core Web API, I frequently find that I have controllers with dependencies such as:
private readonly IMyEntityRepository myEntityRepo; // depends on MyDbContext
private readonly IFooRepository fooRepo; // depends on MyDbContext
private readonly IBarRepository barRepo; // depends on MyDbContext
public MyController(
IMyEntityRepository myEntityRepo,
IFooRepository fooRepo,
IBarRepository barRepo)
{
this.fooRepo = fooRepo;
this.barRepo = barRepo;
this.myEntityRepo = myEntityRepo;
}
and usage like
...
myEntity.Foo = await this.fooRepository.GetFoos().SingleOrDefaultAsync(f => f.Id == model.FooId);
if (model.BarId.HasValue)
{
myEntity.Foo.Bar = await this.barRepository.GetBars().SingleOrDefaultAsync(b => b.Id == model.BarId.Value);
}
...
await this.myEntityRepo.UpdateAsync(myEntity); // this throws an error!
Since all three repositories depend on different DbContext
instances per request, I have two options to avoid the problem and maintain separate repositories: change the injection of the DbContext to create a new instance only once per call:
// services.AddTransient<DbContext, MyDbContext>(); <- one instance per ctor. bad
services.AddScoped<DbContext, MyDbContext>(); // <- one instance per call. good!
or, if the child entity is being used in a read-only manner, turning off tracking on that instance:
myEntity.Foo.Bar = await this.barRepo.GetBars().AsNoTracking().SingleOrDefault(b => b.Id == model.BarId);
In PHP, the best way to verify if a string contains a certain substring, is to use a simple helper function like this:
function contains($haystack, $needle, $caseSensitive = false) {
return $caseSensitive ?
(strpos($haystack, $needle) === FALSE ? FALSE : TRUE):
(stripos($haystack, $needle) === FALSE ? FALSE : TRUE);
}
strpos
finds the position of the first occurrence of a case-sensitive substring in a string.stripos
finds the position of the first occurrence of a case-insensitive substring in a string.myFunction($haystack, $needle) === FALSE ? FALSE : TRUE
ensures that myFunction
always returns a boolean and fixes unexpected behavior when the index of the substring is 0.$caseSensitive ? A : B
selects either strpos
or stripos
to do the work, depending on the value of $caseSensitive
.var_dump(contains('bare','are')); // Outputs: bool(true)
var_dump(contains('stare', 'are')); // Outputs: bool(true)
var_dump(contains('stare', 'Are')); // Outputs: bool(true)
var_dump(contains('stare', 'Are', true)); // Outputs: bool(false)
var_dump(contains('hair', 'are')); // Outputs: bool(false)
var_dump(contains('aren\'t', 'are')); // Outputs: bool(true)
var_dump(contains('Aren\'t', 'are')); // Outputs: bool(true)
var_dump(contains('Aren\'t', 'are', true)); // Outputs: bool(false)
var_dump(contains('aren\'t', 'Are')); // Outputs: bool(true)
var_dump(contains('aren\'t', 'Are', true)); // Outputs: bool(false)
var_dump(contains('broad', 'are')); // Outputs: bool(false)
var_dump(contains('border', 'are')); // Outputs: bool(false)
The best way is to use an And
clause in your While
statement
Dim count as Integer
count =0
While True And count <= 10
count=count+1
Debug.Print(count)
Wend
For maven projects add following dependancy :
<!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.0.1</version>
<scope>provided</scope>
</dependency>
For gradle projects:
dependencies {
providedCompile group: 'javax.servlet', name: 'javax.servlet-api', version: '3.0.1'
}
or download javax.servlet.jar
and add to your project.
This is the implemented code needed:
var dataString = String(data: fooData, encoding: String.Encoding.utf8)
or just
var dataString = String(data: fooData, encoding: .utf8)
Older swift version:
in Swift 2.0:
import Foundation
var dataString = String(data: fooData, encoding: NSUTF8StringEncoding)
in Swift 1.0:
var dataString = NSString(data: fooData, encoding:NSUTF8StringEncoding)
def f(dic):
if 'a' in dic:
print dic['a'],
pass
else: print 'None',
if 'b' in dic:
print dic['b'],
pass
else: print 'None',
if 'c' in dic:
print dic['c'],
pass
else: print 'None',
print
pass
f({})
f({'a':20,
'c':30})
f({'a':20,
'c':30,
'b':'red'})
____________
the above code will output
None None None
20 None 30
20 red 30
This is as good as passing variable arguments by means of a dictionary
How about for example https://github.com/joyent/node/wiki/modules#wiki-tcp. A very quick summary =>
Underscore is a wildcard for something. for example 'A_%' will look for all match that Start whit 'A' and have minimum 1 extra character after that
Or you can write your own filter using lodash.
app.filter('unique', function() {
return function (arr, field) {
return _.uniq(arr, function(a) { return a[field]; });
};
});
ISO 8601-esque datestrings, as excellent as the standard is, are still not widely supported.
This is a great resource to figure out which datestring format you should use:
http://dygraphs.com/date-formats.html
Yes, that means that your datestring could be as simple as as opposed to
"2014/10/13 23:57:52"
instead of
"2014-10-13 23:57:52"
I'll not address the order of tests, sorry. Others already did it. Also, if you know about "ordered tests" - well, this is MS VS's response to the problem. I know that those ordered-tests are no fun. But they thought it will be "it" and there's really nothing more in MSTest about that.
I write about one of your assumptions:
as there is no way to tear down the static class.
Unless your static class represents some process-wide external state external to your code (like ie. the state of an unmanaged native DLL library thats P/Invoked by the rest of your code), your assumption that there is no way
is not true.
If your static class refers to this, then sorry, you are perfectly right, the rest of this anwer is irrelevant. Still, as you didn't say that, I assume your code is "managed".
Think and check the AppDomain
thingy. Rarely it is needed, but this is exactly the case when you'd probably like to use them.
You can create a new AppDomain, and instantiate the test there, and run the test method there. Static data used by managed code will isolated there and upon completion, you will be able to unload the AppDomain and all the data, statics included, will evaporate. Then, next test would initialize another appdomain, and so on.
This will work unless you have external state that you must track. AppDomains only isolate the managed memory. Any native DLL will still be load per-process and their state will be shared by all AppDomains.
Also, creating/tearing down the appdomains will, well, slow down the tests. Also, you may have problems with assembly resolution in the child appdomain, but they are solvable with reasonable amount of reusable code.
Also, you may have small problems with passing test data to - and back from - the child AppDomain. Objects passed will either have to be serializable in some way, or be MarshalByRef
or etc. Talking cross-domain is almost like IPC.
However, take care here, it will be 100% managed talking. If you take some extra care and add a little work to the AppDomain setup, you will be able to even pass delegates and run them in the target domain. Then, instead of making some hairy cross-domain setup, you can wrap your tests with to something like:
void testmethod()
{
TestAppDomainHelper.Run( () =>
{
// your test code
});
}
or even
[IsolatedAppDomain]
void testmethod()
{
// your test code
}
if your test framework supports creating such wrappers/extensions. After some initial research and work, using them is almost trivial.
If every input asks the same question, you should use a for
loop and an array of inputs:
Scanner dd = new Scanner(System.in);
int[] vars = new int[3];
for(int i = 0; i < vars.length; i++) {
System.out.println("Enter next var: ");
vars[i] = dd.nextInt();
}
Or as Chip suggested, you can parse the input from one line:
Scanner in = new Scanner(System.in);
int[] vars = new int[3];
System.out.println("Enter "+vars.length+" vars: ");
for(int i = 0; i < vars.length; i++)
vars[i] = in.nextInt();
You were on the right track, and what you did works. This is just a nicer and more flexible way of doing things.
Here is what worked for me:
import mock
@mock.patch('requests.get', mock.Mock(side_effect = lambda k:{'aurl': 'a response', 'burl' : 'b response'}.get(k, 'unhandled request %s'%k)))
Alter table table_name drop partition (partition_name);
I think you want $data[$category] = $question;
Or in case you want an array that maps categories to array of questions:
$data = array();
foreach($file_data as $value) {
list($category, $question) = explode('|', $value, 2);
if(!isset($data[$category])) {
$data[$category] = array();
}
$data[$category][] = $question;
}
print_r($data);
According to the Facebook documentation it's not possible to get all the fans of a page:
Although you can't get a list of all the fans of a Facebook Page, you can find out whether a specific person has liked a Page.
There is now a beta available of Google Maps KML Importing Utility.
It is part of the Google Maps Android API Utility Library. As documented it allows loading KML files from streams
KmlLayer layer = new KmlLayer(getMap(), kmlInputStream, getApplicationContext());
or local resources
KmlLayer layer = new KmlLayer(getMap(), R.raw.kmlFile, getApplicationContext());
After you have created a KmlLayer, call addLayerToMap() to add the imported data onto the map.
layer.addLayerToMap();
Use git format-patch
to slice out the part of the commit you care about and git am
to apply it to another branch
git format-patch <sha> -- path/to/file
git checkout other-branch
git am *.patch
Maybe better to make an anchor with DeleteJob url instead of button?
<a href="<%=Url.Action("DeleteJob", "YourController", new {selectedObject="someObject"})%>" onclick="return DeleteJob()">Löschen</a>
and use your javascript you wrote already:
function DeleteJob() {
if (confirm("Do you really want to delete selected job/s?"))
return true;
else
return false;
}
So if function return true - you will be redirected. If function return false - you still stay on the page.
I think that all that solutions are inefficient. They require a lot of recursive calls to get the result.
unsigned fib(unsigned n) {
if(n == 0) return 0;
if(n == 1) return 1;
return fib(n-1) + fib(n-2);
}
This code requires 14 calls to get result for fib(5), 177 for fin(10) and 2.7kk for fib(30).
You should better use this approach or if you want to use recursion try this:
unsigned fib(unsigned n, unsigned prev1 = 0, unsigned prev2 = 1, int depth = 2)
{
if(n == 0) return 0;
if(n == 1) return 1;
if(depth < n) return fib(n, prev2, prev1+prev2, depth+1);
return prev1+prev2;
}
This function requires n recursive calls to calculate Fibonacci number for n. You can still use it by calling fib(10) because all other parameters have default values.
The usual WPF timer is the DispatcherTimer
, which is not a control but used in code. It basically works the same way like the WinForms timer:
System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += dispatcherTimer_Tick;
dispatcherTimer.Interval = new TimeSpan(0,0,1);
dispatcherTimer.Start();
private void dispatcherTimer_Tick(object sender, EventArgs e)
{
// code goes here
}
More on the DispatcherTimer can be found here
try
{
//Handle the alert pop-up using seithTO alert statement
Alert alert = driver.switchTo().alert();
//Print alert is present
System.out.println("Alert is present");
//get the message which is present on pop-up
String message = alert.getText();
//print the pop-up message
System.out.println(message);
alert.sendKeys("");
//Click on OK button on pop-up
alert.accept();
}
catch (NoAlertPresentException e)
{
//if alert is not present print message
System.out.println("alert is not present");
}
if you give a 2D array to the plot function of matplotlib it will assume the columns to be lines:
If x and/or y is 2-dimensional, then the corresponding columns will be plotted.
In your case your shape is not accepted (100, 1, 1, 8000). As so you can using numpy squeeze to solve the problem quickly:
np.squeez doc: Remove single-dimensional entries from the shape of an array.
import numpy as np
import matplotlib.pyplot as plt
data = np.random.randint(3, 7, (10, 1, 1, 80))
newdata = np.squeeze(data) # Shape is now: (10, 80)
plt.plot(newdata) # plotting by columns
plt.show()
But notice that 100 sets of 80 000 points is a lot of data for matplotlib. I would recommend that you look for an alternative. The result of the code example (run in Jupyter) is:
Double perValue = 96.57;
int roundVal= (int) Math.round(perValue);
Solved my purpose.
I found that if the exception is thrown in the same method that it is caught, the stack trace is not preserved, for what it's worth.
void testExceptionHandling()
{
try
{
throw new ArithmeticException("illegal expression");
}
catch (Exception ex)
{
throw;
}
finally
{
System.Diagnostics.Debug.WriteLine("finally called.");
}
}
If there are no credentials provided in the request headers, the following is the minimum response required for IE to prompt the user for credentials and resubmit the request.
Response.Clear();
Response.StatusCode = (Int32)HttpStatusCode.Unauthorized;
Response.AddHeader("WWW-Authenticate", "Basic");
The show command may be what you want. Try
git show -s --format=%ci <commit>
Other formats for the date string are available as well. Check the manual page for details.
I have found a variety of runtimes including Visual Studio(VS) versions are available at http://scn.sap.com/docs/DOC-7824
AkashG's solution don't work for me. When I set up check.xml to background it's just stratched in vertical direction. To solve this problem you should set up check.xml to "android:button" property:
<ToggleButton
android:id="@+id/toggle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:button="@drawable/check" //check.xml
android:background="@null"/>
check.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<!-- When selected, use grey -->
<item android:drawable="@drawable/selected_image"
android:state_checked="true" />
<!-- When not selected, use white-->
<item android:drawable="@drawable/unselected_image"
android:state_checked="false"/>
</selector>
I think the following is the easiest way to do it.
<asp:TextBox ID="DateControl" runat="server" Visible="False"></asp:TextBox>
<asp:RangeValidator ID ="rvDate" runat ="server" ControlToValidate="DateControl" ErrorMessage="Invalid Date" Type="Date" MinimumValue="01/01/1900" MaximumValue="01/01/2100" Display="Dynamic"></asp:RangeValidator>
You need to loop through and parse/convert the elements in your array, like this:
var result_string = 'a,b,c,d|1,2,3,4',
result = result_string.split("|"),
alpha = result[0],
count = result[1],
count_array = count.split(",");
for(var i=0; i<count_array.length;i++) count_array[i] = +count_array[i];
//now count_array contains numbers
You can test it out here. If the +
, is throwing, think of it as:
for(var i=0; i<count_array.length;i++) count_array[i] = parseInt(count_array[i], 10);
If you have object, you can make array of keys, than map through, and create new object from previous object keys, and values.
Object.keys(myObject)
.map(el =>{
const obj = {};
obj[el]=myObject[el].code;
console.log(obj);
});
$("#button").click(function () {
$("#frame").attr("src", "http://www.example.com/");
});
HTML:
<div id="mydiv">
<iframe id="frame" src="" width="100%" height="300">
</iframe>
</div>
<button id="button">Load</button>
You can remove this by adding !important to your outline.
button{
outline: none !important;
}
The W3C solution:
var len = document.getElementById("input1").length;
one more, after you create user by following cmd-1, please assign read/write/root role to the user by cmd-2. then restart mongodb by cmd "mongod --auth".
The benefit of assign role to the user is you can do read/write operation by mongo shell or python/java and so on, otherwise you will meet "pymongo.errors.OperationFailure: not authorized" when you try to read/write your db.
cmd-1:
use admin
db.createUser({
user: "newUsername",
pwd: "password",
roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
})
cmd-2:
db.grantRolesToUser('newUsername',[{ role: "root", db: "admin" }])
The best practice is to use a style sheet specifically for printing, and and set its media
attribute to print
.
In it, show/hide the elements that you want to be printed on paper.
<link rel="stylesheet" type="text/css" href="print.css" media="print" />
Take a look at the documentation for HttpServletRequest
.
In order to build the URL in your example you will need to use:
getScheme()
getServerName()
getServerPort()
getContextPath()
Here is a method that will return your example:
public static String getURLWithContextPath(HttpServletRequest request) {
return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath();
}
The following does not plot anything in the plot and it will remain empty.
plot(NULL, xlim=c(0,1), ylim=c(0,1), ylab="y label", xlab="x lablel")
This is useful when you want to add lines or dots afterwards within a for
loop or something similar. Just remember to change the xlim
and ylim
values based on the data you want to plot.
As a side note:
This can also be used for Boxplot, Violin plots and swarm plots. for those remember to add add = TRUE
to their plotting function and also specify at =
to specify on which number you want to plot them (default is x axis unless you have set horz = TRUE
in these functions.
You can also use serializeArray function to do the same.
yes use \n, unless you are generating html code, in which you want to use <br />
Yes, but not with that version of the constructor. You can do this:
>>> dict([(1, 2), (3, 4)])
{1: 2, 3: 4}
There are several different ways to make a dict. As documented, "providing keyword arguments [...] only works for keys that are valid Python identifiers."
I'd rather like to answer comprehensively.
LocalbroadcastManager included in android 3.0 and above so you have to use support library v4 for early releases. see instructions here
Create a broadcast receiver:
private BroadcastReceiver onNotice= new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
// intent can contain anydata
Log.d("sohail","onReceive called");
tv.setText("Broadcast received !");
}
};
Register your receiver in onResume of activity like:
protected void onResume() {
super.onResume();
IntentFilter iff= new IntentFilter(MyIntentService.ACTION);
LocalBroadcastManager.getInstance(this).registerReceiver(onNotice, iff);
}
//MyIntentService.ACTION is just a public static string defined in MyIntentService.
unRegister receiver in onPause:
protected void onPause() {
super.onPause();
LocalBroadcastManager.getInstance(this).unregisterReceiver(onNotice);
}
Now whenever a localbroadcast is sent from applications' activity or service, onReceive of onNotice will be called :).
Edit: You can read complete tutorial here LocalBroadcastManager: Intra application message passing
If you need refresh, this is another posibility:
setTimeout(function () {
$("#jsSegurosProductos").jsGrid("refresh");
}, 1000);
From this blog post:
XE: Changing the default http port
Oracle XE uses the embedded http listener that comes with the XML DB (XDB) to serve http requests. The default port for HTTP access is 8080.
EDIT:
Update 8080 port to which port(9090 for example) you like
SQL> -- set http port
SQL> begin
2 dbms_xdb.sethttpport('9090');
3 end;
4 /
After changing the port, when we start Oracle it will go on port 8080, we should type manually new port(9090) in the address bar to run Oracle XE.
I had the same problem ("Uncaught TypeError: Cannot read property 'top' of undefined")
I tried every solution I could find and noting helped. But then I've spotted that my DIV had two IDs.
So, I removed second ID and it worked.
I just wish somebody told me to check my IDs earlier))
Console console = System.console();
String username = console.readLine("Username: ");
char[] password = console.readPassword("Password: ");
Its worth remembering that when crawling external links (I do appreciate the OP relates to a users own page) you should be aware of robots.txt. I have found the following which will hopefully help http://www.the-art-of-web.com/php/parse-robots/.
If you need to initialise a small array you can use:
byte[] smallArray = new byte[] { 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
If you have a larger array, then you could use:
byte[] bitBiggerArray Enumerable.Repeat(0x20, 7000).ToArray();
Which is simple, and easy for the next guy/girl to read. And will be fast enough 99.9% of the time. (Normally will be the BestOption™)
However if you really really need super speed, calling out to the optimized memset method, using P/invoke, is for you: (Here wrapped up in a nice to use class)
public static class Superfast
{
[DllImport("msvcrt.dll",
EntryPoint = "memset",
CallingConvention = CallingConvention.Cdecl,
SetLastError = false)]
private static extern IntPtr MemSet(IntPtr dest, int c, int count);
//If you need super speed, calling out to M$ memset optimized method using P/invoke
public static byte[] InitByteArray(byte fillWith, int size)
{
byte[] arrayBytes = new byte[size];
GCHandle gch = GCHandle.Alloc(arrayBytes, GCHandleType.Pinned);
MemSet(gch.AddrOfPinnedObject(), fillWith, arrayBytes.Length);
gch.Free();
return arrayBytes;
}
}
Usage:
byte[] oneofManyBigArrays = Superfast.InitByteArray(0x20,700000);
I had this concern when working on a Rails application with Docker.
My most preferred approach is to generally not use quotes. This includes not using quotes for:
${RAILS_ENV}
postgres-log:/var/log/postgresql
I, however, use double-quotes for integer
values that need to be converted to strings like:
version: "3.8"
"8080:8080"
However, for special cases like booleans
, floats
, integers
, and other cases, where using double-quotes for the entry values could be interpreted as strings
, please do not use double-quotes.
Here's a sample docker-compose.yml
file to explain this concept:
version: "3"
services:
traefik:
image: traefik:v2.2.1
command:
- --api.insecure=true # Don't do that in production
- --providers.docker=true
- --providers.docker.exposedbydefault=false
- --entrypoints.web.address=:80
ports:
- "80:80"
- "8080:8080"
volumes:
- /var/run/docker.sock:/var/run/docker.sock:ro
That's all.
I hope this helps
Use
if(isset($_POST['submit'])) // name of your submit button
The first thing I would recommend is to take measurements. Where are you losing your time? Is it in the read, or the write?
Over 100,000 accesses (sum the times): How much time is spent allocating the buffer array? How much time is spent opening the file for read (is it the same file every time?) How much time is spent in read and write operations?
If you aren't doing any type of transformation on the file, do you need a BinaryWriter, or can you use a filestream for writes? (try it, do you get identical output? does it save time?)
You can clear out their values by just setting value to an empty string:
var1.value = '';
var2.value = '';
len = max(key for (item, key) in list)
newlist = [[] for i in range(len+1)]
for item,key in list:
newlist[key].append(item)
You can do it in a single list comprehension, perhaps more elegant but O(n**2):
[[item for (item,key) in list if key==i] for i in range(max(key for (item,key) in list)+1)]
Though I upvoted the answer marked as correct. I wanted to touch on a few things for anyone stumbling upon this.
In general, if you're filtering specifically on Date values alone. Microsoft recommends using the language neutral format of ymd
or y-m-d
.
Note that the form '2007-02-12' is considered language-neutral only for the data types DATE, DATETIME2, and DATETIMEOFFSET.
To do a date comparison using the aforementioned approach is simple. Consider the following, contrived example.
--112 is ISO format 'YYYYMMDD'
declare @filterDate char(8) = CONVERT(char(8), GETDATE(), 112)
select
*
from
Sales.Orders
where
CONVERT(char(8), OrderDate, 112) = @filterDate
In a perfect world, performing any manipulation to the filtered column should be avoided because this can prevent SQL Server from using indexes efficiently. That said, if the data you're storing is only ever concerned with the date and not time, consider storing as DATETIME
with midnight as the time. Because:
When SQL Server converts the literal to the filtered column’s type, it assumes midnight when a time part isn’t indicated. If you want such a filter to return all rows from the specified date, you need to ensure that you store all values with midnight as the time.
Thus, assuming you are only concerned with date, and store your data as such. The above query can be simplified to:
--112 is ISO format 'YYYYMMDD'
declare @filterDate char(8) = CONVERT(char(8), GETDATE(), 112)
select
*
from
Sales.Orders
where
OrderDate = @filterDate
iOS 9.2.1, Xcode 7.2.1, ARC enabled
You can always append the '%' by itself without any other format specifiers in the string you are appending, like so...
int test = 10;
NSString *stringTest = [NSString stringWithFormat:@"%d", test];
stringTest = [stringTest stringByAppendingString:@"%"];
NSLog(@"%@", stringTest);
For iOS7.0+
To expand the answer to other characters that might cause you conflict you may choose to use:
- (NSString *)stringByAddingPercentEncodingWithAllowedCharacters:(NSCharacterSet *)allowedCharacters
Written out step by step it looks like this:
int test = 10;
NSString *stringTest = [NSString stringWithFormat:@"%d", test];
stringTest = [[stringTest stringByAppendingString:@"%"]
stringByAddingPercentEncodingWithAllowedCharacters:
[NSCharacterSet alphanumericCharacterSet]];
stringTest = [stringTest stringByRemovingPercentEncoding];
NSLog(@"percent value of test: %@", stringTest);
Or short hand:
NSLog(@"percent value of test: %@", [[[[NSString stringWithFormat:@"%d", test]
stringByAppendingString:@"%"] stringByAddingPercentEncodingWithAllowedCharacters:
[NSCharacterSet alphanumericCharacterSet]] stringByRemovingPercentEncoding]);
Thanks to all the original contributors. Hope this helps. Cheers!
A couple of distinctions that weren't touched on here:
Compare:
exec('ls', $out);
var_dump($out);
// Look an array
$out = shell_exec('ls');
var_dump($out);
// Look -- a string with newlines in it
Conversely, if the output of the command is xml or json, then having each line as part of an array is not what you want, as you'll need to post-process the input into some other form, so in that case use shell_exec.
It's also worth pointing out that shell_exec is an alias for the backtic operator, for those used to *nix.
$out = `ls`;
var_dump($out);
exec also supports an additional parameter that will provide the return code from the executed command:
exec('ls', $out, $status);
if (0 === $status) {
var_dump($out);
} else {
echo "Command failed with status: $status";
}
As noted in the shell_exec manual page, when you actually require a return code from the command being executed, you have no choice but to use exec.
There isn't a definite list, it's up to the browser. The only standard we have is DOM Level 2 HTML, according to which the only elements that have a focus()
method are
HTMLInputElement
, HTMLSelectElement
, HTMLTextAreaElement
and HTMLAnchorElement
. This notably omits HTMLButtonElement
and HTMLAreaElement
.
Today's browsers define focus()
on HTMLElement, but an element won't actually take focus unless it's one of:
disabled
(IE actually gives you an error if you try), and file uploads have unusual behaviour for security reasonstabindex
There are likely to be other subtle exceptions and additions to this behaviour depending on browser.
After fixing the build.gradle version, It started working 4.0.0 to 3.5.0
You need to use a constant.
CONST NumberOfZombies = 20000
Dim Zombies(NumberOfZombies) As Zombies
or if you want to use a variable you have to do it this way:
Dim NumberOfZombies As Integer
NumberOfZombies = 20000
Dim Zombies() As Zombies
ReDim Zombies(NumberOfZombies)
Instead of coding all the constrains you could use a subclass that handles .intrinsicContentSize
of UIView
class in a simpler way.
This solution improves also Interface Builder a little in a way to support with "intrinsicWidth" and "intrinsicHeight" of views. While you could extend UIView's and have those properties available on all UIViews in IB its cleaner to subclass.
// IntrinsicView.h
@import UIKit
IB_DESIGNABLE
@interface IntrinsicView : UIView
-(instancetype)initWithFrame:(CGRect)rect;
@property IBInspectable CGSize intrinsic;
@end
// IntrinsicView.m
#import "IntrinsicView.h"
@implementation IntrinsicView {
CGSize _intrinsic;
}
- (instancetype)initWithFrame:(CGRect)frame {
_intrinsic = frame.size;
if ( !(self = [super initWithFrame:frame]) ) return nil;
// your stuff here..
return self;
}
-(CGSize)intrinsicContentSize {
return _intrinsic;
}
-(void)prepareForInterfaceBuilder {
self.frame = CGRectMake(self.frame.origin.x, self.frame.origin.y, _intrinsic.width,_intrinsic.height);
}
@end
Which means you can just allocate those IntrinsicView's and the self.frame.size
is taken as intrinsicContentSize
. That way it does not disturb the normal layout and you dont need to set constraint relations that don't even apply in full with UIStackViews
#import "IntrinsicView.h"
- (void)viewDidLoad {
[super viewDidLoad];
UIStackView *column = [[UIStackView alloc] initWithFrame:self.view.frame];
column.spacing = 2;
column.alignment = UIStackViewAlignmentFill;
column.axis = UILayoutConstraintAxisVertical; //Up-Down
column.distribution = UIStackViewDistributionFillEqually;
for (int row=0; row<5; row++) {
//..frame:(CGRect) defines here proportions and
//relation to axis of StackView
IntrinsicView *intrinsicView = [[IntrinsicView alloc] initWithFrame:CGRectMake(0, 0, 30.0, 30.0)];
[column addArrangedSubview:intrinsicView];
}
[self.view addSubview:column];
}
now you can go crazy with UIStackView's
or in swift + encoding, decoding, IB support, Objective-C support
@IBDesignable @objc class IntrinsicView : UIView {
@IBInspectable var intrinsic : CGSize
@objc override init(frame: CGRect) {
intrinsic = frame.size
super.init(frame: frame)
}
required init?(coder: NSCoder) {
intrinsic = coder.decodeCGSize(forKey: "intrinsic")
super.init(coder: coder)
}
override func encode(with coder: NSCoder) {
coder.encode(intrinsic, forKey: "intrinsic")
super.encode(with: coder)
}
override var intrinsicContentSize: CGSize {
return intrinsic
}
override func prepareForInterfaceBuilder() {
frame = CGRect(x: self.frame.origin.x, y: self.frame.origin.y, width: intrinsic.width, height: intrinsic.height)
}
}
If you only want to hide the search form for example because you have column input filters or may be because you already have a CMS search form able to return results from the table then all you have to do is inspect the form and get its id - (at the time of writing this, it looks as such[tableid]-table_filter.dataTables_filter
). Then simply do [tableid]-table_filter.dataTables_filter{display:none;}
retaining all other features of datatables.
2.0 Compatible Answer: While above mentioned answer explain in detail on how to use GPU on Keras Model, I want to explain how it can be done for Tensorflow Version 2.0
.
To know how many GPUs are available, we can use the below code:
print("Num GPUs Available: ", len(tf.config.experimental.list_physical_devices('GPU')))
To find out which devices your operations and tensors are assigned to,
put tf.debugging.set_log_device_placement(True)
as the first statement of your program.
Enabling device placement logging causes any Tensor allocations or operations to be printed. For example, running the below code:
tf.debugging.set_log_device_placement(True)
# Create some tensors
a = tf.constant([[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]])
b = tf.constant([[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]])
c = tf.matmul(a, b)
print(c)
gives the Output shown below:
Executing op MatMul in device /job:localhost/replica:0/task:0/device:GPU:0 tf.Tensor( [[22. 28.] [49. 64.]], shape=(2, 2), dtype=float32)
For more information, refer this link
You could read the entire input line from scanner, then split the line by ,
then you have a String[]
, parse each number into int[]
with index one to one matching...(assuming valid input and no NumberFormatExceptions
) like
String line = scanner.nextLine();
String[] numberStrs = line.split(",");
int[] numbers = new int[numberStrs.length];
for(int i = 0;i < numberStrs.length;i++)
{
// Note that this is assuming valid input
// If you want to check then add a try/catch
// and another index for the numbers if to continue adding the others (see below)
numbers[i] = Integer.parseInt(numberStrs[i]);
}
As YoYo's answer suggests, the above can be achieved more concisely in Java 8:
int[] numbers = Arrays.stream(line.split(",")).mapToInt(Integer::parseInt).toArray();
To handle invalid input
You will need to consider what you want need to do in this case, do you want to know that there was bad input at that element or just skip it.
If you don't need to know about invalid input but just want to continue parsing the array you could do the following:
int index = 0;
for(int i = 0;i < numberStrs.length;i++)
{
try
{
numbers[index] = Integer.parseInt(numberStrs[i]);
index++;
}
catch (NumberFormatException nfe)
{
//Do nothing or you could print error if you want
}
}
// Now there will be a number of 'invalid' elements
// at the end which will need to be trimmed
numbers = Arrays.copyOf(numbers, index);
The reason we should trim the resulting array is that the invalid elements at the end of the int[]
will be represented by a 0
, these need to be removed in order to differentiate between a valid input value of 0
.
Results in
Input: "2,5,6,bad,10"
Output: [2,3,6,10]
If you need to know about invalid input later you could do the following:
Integer[] numbers = new Integer[numberStrs.length];
for(int i = 0;i < numberStrs.length;i++)
{
try
{
numbers[i] = Integer.parseInt(numberStrs[i]);
}
catch (NumberFormatException nfe)
{
numbers[i] = null;
}
}
In this case bad input (not a valid integer) the element will be null.
Results in
Input: "2,5,6,bad,10"
Output: [2,3,6,null,10]
You could potentially improve performance by not catching the exception (see this question for more on this) and use a different method to check for valid integers.
you can find custom list adapter class with filterable using text change in edit text...
create custom list adapter class with implementation of Filterable:
private class CustomListAdapter extends BaseAdapter implements Filterable{
private LayoutInflater inflater;
private ViewHolder holder;
private ItemFilter mFilter = new ItemFilter();
public CustomListAdapter(List<YourCustomData> newlist) {
filteredData = newlist;
}
@Override
public int getCount() {
return filteredData.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
holder = new ViewHolder();
if(inflater==null)
inflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if(convertView == null){
convertView = inflater.inflate(R.layout.row_listview_item, null);
holder.mTextView = (TextView)convertView.findViewById(R.id.row_listview_member_tv);
convertView.setTag(holder);
}else{
holder = (ViewHolder)convertView.getTag();
}
holder.mTextView.setText(""+filteredData.get(position).getYourdata());
return convertView;
}
@Override
public Filter getFilter() {
return mFilter;
}
}
class ViewHolder{
TextView mTextView;
}
private class ItemFilter extends Filter {
@SuppressLint("DefaultLocale")
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String filterString = constraint.toString().toLowerCase();
FilterResults results = new FilterResults();
final List<YourCustomData> list = YourObject.getYourDataList();
int count = list.size();
final ArrayList<YourCustomData> nlist = new ArrayList<YourCustomData>(count);
String filterableString ;
for (int i = 0; i < count; i++) {
filterableString = ""+list.get(i).getYourText();
if (filterableString.toLowerCase().contains(filterString)) {
YourCustomData mYourCustomData = list.get(i);
nlist.add(mYourCustomData);
}
}
results.values = nlist;
results.count = nlist.size();
return results;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
filteredData = (ArrayList<YourCustomData>) results.values;
mCustomListAdapter.notifyDataSetChanged();
}
}
mEditTextSearch.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if(mCustomListAdapter!=null)
mCustomListAdapter.getFilter().filter(s.toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void afterTextChanged(Editable s) {
}
});
ActiveRecord is clever enough to know that the parameter referred to by the ?
is a string, and so it encloses it in single quotes. You could as one post suggests use Ruby string interpolation to pad the string with the required %
symbols. However, this might expose you to SQL-injection (which is bad). I would suggest you use the SQL CONCAT()
function to prepare the string like so:
"name LIKE CONCAT('%',?,'%') OR postal_code LIKE CONCAT('%',?,'%')", search, search)
Well as we all know that it gets erased. But it can be known under some circumstances where the type is explicitly mentioned in the class hierarchy:
import java.lang.reflect.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.stream.Collectors;
public abstract class CaptureType<T> {
/**
* {@link java.lang.reflect.Type} object of the corresponding generic type. This method is useful to obtain every kind of information (including annotations) of the generic type.
*
* @return Type object. null if type could not be obtained (This happens in case of generic type whose information cant be obtained using Reflection). Please refer documentation of {@link com.types.CaptureType}
*/
public Type getTypeParam() {
Class<?> bottom = getClass();
Map<TypeVariable<?>, Type> reifyMap = new LinkedHashMap<>();
for (; ; ) {
Type genericSuper = bottom.getGenericSuperclass();
if (!(genericSuper instanceof Class)) {
ParameterizedType generic = (ParameterizedType) genericSuper;
Class<?> actualClaz = (Class<?>) generic.getRawType();
TypeVariable<? extends Class<?>>[] typeParameters = actualClaz.getTypeParameters();
Type[] reified = generic.getActualTypeArguments();
assert (typeParameters.length != 0);
for (int i = 0; i < typeParameters.length; i++) {
reifyMap.put(typeParameters[i], reified[i]);
}
}
if (bottom.getSuperclass().equals(CaptureType.class)) {
bottom = bottom.getSuperclass();
break;
}
bottom = bottom.getSuperclass();
}
TypeVariable<?> var = bottom.getTypeParameters()[0];
while (true) {
Type type = reifyMap.get(var);
if (type instanceof TypeVariable) {
var = (TypeVariable<?>) type;
} else {
return type;
}
}
}
/**
* Returns the raw type of the generic type.
* <p>For example in case of {@code CaptureType<String>}, it would return {@code Class<String>}</p>
* For more comprehensive examples, go through javadocs of {@link com.types.CaptureType}
*
* @return Class object
* @throws java.lang.RuntimeException If the type information cant be obtained. Refer documentation of {@link com.types.CaptureType}
* @see com.types.CaptureType
*/
public Class<T> getRawType() {
Type typeParam = getTypeParam();
if (typeParam != null)
return getClass(typeParam);
else throw new RuntimeException("Could not obtain type information");
}
/**
* Gets the {@link java.lang.Class} object of the argument type.
* <p>If the type is an {@link java.lang.reflect.ParameterizedType}, then it returns its {@link java.lang.reflect.ParameterizedType#getRawType()}</p>
*
* @param type The type
* @param <A> type of class object expected
* @return The Class<A> object of the type
* @throws java.lang.RuntimeException If the type is a {@link java.lang.reflect.TypeVariable}. In such cases, it is impossible to obtain the Class object
*/
public static <A> Class<A> getClass(Type type) {
if (type instanceof GenericArrayType) {
Type componentType = ((GenericArrayType) type).getGenericComponentType();
Class<?> componentClass = getClass(componentType);
if (componentClass != null) {
return (Class<A>) Array.newInstance(componentClass, 0).getClass();
} else throw new UnsupportedOperationException("Unknown class: " + type.getClass());
} else if (type instanceof Class) {
Class claz = (Class) type;
return claz;
} else if (type instanceof ParameterizedType) {
return getClass(((ParameterizedType) type).getRawType());
} else if (type instanceof TypeVariable) {
throw new RuntimeException("The type signature is erased. The type class cant be known by using reflection");
} else throw new UnsupportedOperationException("Unknown class: " + type.getClass());
}
/**
* This method is the preferred method of usage in case of complex generic types.
* <p>It returns {@link com.types.TypeADT} object which contains nested information of the type parameters</p>
*
* @return TypeADT object
* @throws java.lang.RuntimeException If the type information cant be obtained. Refer documentation of {@link com.types.CaptureType}
*/
public TypeADT getParamADT() {
return recursiveADT(getTypeParam());
}
private TypeADT recursiveADT(Type type) {
if (type instanceof Class) {
return new TypeADT((Class<?>) type, null);
} else if (type instanceof ParameterizedType) {
ArrayList<TypeADT> generic = new ArrayList<>();
ParameterizedType type1 = (ParameterizedType) type;
return new TypeADT((Class<?>) type1.getRawType(),
Arrays.stream(type1.getActualTypeArguments()).map(x -> recursiveADT(x)).collect(Collectors.toList()));
} else throw new UnsupportedOperationException();
}
}
public class TypeADT {
private final Class<?> reify;
private final List<TypeADT> parametrized;
TypeADT(Class<?> reify, List<TypeADT> parametrized) {
this.reify = reify;
this.parametrized = parametrized;
}
public Class<?> getRawType() {
return reify;
}
public List<TypeADT> getParameters() {
return parametrized;
}
}
And now you can do things like:
static void test1() {
CaptureType<String> t1 = new CaptureType<String>() {
};
equals(t1.getRawType(), String.class);
}
static void test2() {
CaptureType<List<String>> t1 = new CaptureType<List<String>>() {
};
equals(t1.getRawType(), List.class);
equals(t1.getParamADT().getParameters().get(0).getRawType(), String.class);
}
private static void test3() {
CaptureType<List<List<String>>> t1 = new CaptureType<List<List<String>>>() {
};
equals(t1.getParamADT().getRawType(), List.class);
equals(t1.getParamADT().getParameters().get(0).getRawType(), List.class);
}
static class Test4 extends CaptureType<List<String>> {
}
static void test4() {
Test4 test4 = new Test4();
equals(test4.getParamADT().getRawType(), List.class);
}
static class PreTest5<S> extends CaptureType<Integer> {
}
static class Test5 extends PreTest5<Integer> {
}
static void test5() {
Test5 test5 = new Test5();
equals(test5.getTypeParam(), Integer.class);
}
static class PreTest6<S> extends CaptureType<S> {
}
static class Test6 extends PreTest6<Integer> {
}
static void test6() {
Test6 test6 = new Test6();
equals(test6.getTypeParam(), Integer.class);
}
class X<T> extends CaptureType<T> {
}
class Y<A, B> extends X<B> {
}
class Z<Q> extends Y<Q, Map<Integer, List<List<List<Integer>>>>> {
}
void test7(){
Z<String> z = new Z<>();
TypeADT param = z.getParamADT();
equals(param.getRawType(), Map.class);
List<TypeADT> parameters = param.getParameters();
equals(parameters.get(0).getRawType(), Integer.class);
equals(parameters.get(1).getRawType(), List.class);
equals(parameters.get(1).getParameters().get(0).getRawType(), List.class);
equals(parameters.get(1).getParameters().get(0).getParameters().get(0).getRawType(), List.class);
equals(parameters.get(1).getParameters().get(0).getParameters().get(0).getParameters().get(0).getRawType(), Integer.class);
}
static void test8() throws IllegalAccessException, InstantiationException {
CaptureType<int[]> type = new CaptureType<int[]>() {
};
equals(type.getRawType(), int[].class);
}
static void test9(){
CaptureType<String[]> type = new CaptureType<String[]>() {
};
equals(type.getRawType(), String[].class);
}
static class SomeClass<T> extends CaptureType<T>{}
static void test10(){
SomeClass<String> claz = new SomeClass<>();
try{
claz.getRawType();
throw new RuntimeException("Shouldnt come here");
}catch (RuntimeException ex){
}
}
static void equals(Object a, Object b) {
if (!a.equals(b)) {
throw new RuntimeException("Test failed. " + a + " != " + b);
}
}
More info here. But again, it is almost impossible to retrieve for:
class SomeClass<T> extends CaptureType<T>{}
SomeClass<String> claz = new SomeClass<>();
where it gets erased.
@RequestMapping(value = "so", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
public @ResponseBody String so() {
return "This is a String";
}
There was almost the same question on GitHub a year ago.
The idea was to rename the master branch:
git branch -m master development
git branch -m published master
git push -f origin master
Making master have what you want people to use, and do all other work in branches.
(a "git-symbolic-ref HEAD refs/head/published
" would not be propagated to the remote repo)
This is similar to "How do I delete origin/master in Git".
As said in this thread: (emphasis mine)
"
git clone
" creates only a single local branch.
To do that, it looks at theHEAD ref
of the remote repo, and creates a local branch with the same name as the remote branch referenced by it.So to wrap that up, you have repo
A
and clone it:
HEAD
referencesrefs/heads/master
and that exists
-> you get a local branch calledmaster
, starting fromorigin/master
HEAD references
refs/heads/anotherBranch
and that exists
-> you get a local branch calledanotherBranch
, starting fromorigin/anotherBranch
HEAD references
refs/heads/master
and that doesn't exist
-> "git clone
" complainsNot sure if there's any way to directly modify the
HEAD
ref in a repo.
(which is the all point of your question, I know ;) )
Maybe the only way would be a "publication for the poor", where you:
$ git-symbolic-ref HEAD refs/head/published
$ git-update-server-info
$ rsync -az .git/* server:/local_path_to/git/myRepo.git/
But that would involve write access to the server, which is not always possible.
As I explain in "Git: Correct way to change Active Branch in a bare repository?", git remote set-head
wouldn't change anything on the remote repo.
It would only change the remote tracking branch stored locally in your local repo, in remotes/<name>/HEAD
.
With Git 2.29 (Q4 2020), "git remote set-head
(man)" that failed still said something that hints the operation went through, which was misleading.
See commit 5a07c6c (17 Sep 2020) by Christian Schlack (cschlack
).
(Merged by Junio C Hamano -- gitster
-- in commit 39149df, 22 Sep 2020)
remote
: don't show success message whenset-head
failsSigned-off-by: Christian Schlack
Suppress the message 'origin/HEAD set to master' in case of an error.
$ git remote set-head origin -a error: Not a valid ref: refs/remotes/origin/master origin/HEAD set to master
Use:
ImageView image = (ImageView) findViewById(R.id.image);
image.setAlpha(150); // Value: [0-255]. Where 0 is fully transparent
// and 255 is fully opaque. Set the value according
// to your choice, and you can also use seekbar to
// maintain the transparency.
Here's a helpful article on long polling (long-held HTTP request) using jQuery. A code snippet derived from this article:
(function poll() {
setTimeout(function() {
$.ajax({
url: "/server/api/function",
type: "GET",
success: function(data) {
console.log("polling");
},
dataType: "json",
complete: poll,
timeout: 2000
})
}, 5000);
})();
This will make the next request only after the ajax request has completed.
A variation on the above that will execute immediately the first time it is called before honouring the wait/timeout interval.
(function poll() {
$.ajax({
url: "/server/api/function",
type: "GET",
success: function(data) {
console.log("polling");
},
dataType: "json",
complete: setTimeout(function() {poll()}, 5000),
timeout: 2000
})
})();
I think I know where your question is headed. And since this question is the one that pop ups in google's search main results, I can give a plain answer on what the @Valid annotation does.
I'll present 3 scenarios on how I've used @Valid
Model:
public class Employee{
private String name;
@NotNull(message="cannot be null")
@Size(min=1, message="cannot be blank")
private String lastName;
//Getters and Setters for both fields.
//...
}
JSP:
...
<form:form action="processForm" modelAttribute="employee">
<form:input type="text" path="name"/>
<br>
<form:input type="text" path="lastName"/>
<form:errors path="lastName"/>
<input type="submit" value="Submit"/>
</form:form>
...
Controller for scenario 1:
@RequestMapping("processForm")
public String processFormData(@Valid @ModelAttribute("employee") Employee employee){
return "employee-confirmation-page";
}
In this scenario, after submitting your form with an empty lastName field, you'll get an error page since you're applying validation rules but you're not handling it whatsoever.
Example of said error: Exception page
Controller for scenario 2:
@RequestMapping("processForm")
public String processFormData(@Valid @ModelAttribute("employee") Employee employee,
BindingResult bindingResult){
return bindingResult.hasErrors() ? "employee-form" : "employee-confirmation-page";
}
In this scenario, you're passing all the results from that validation to the bindingResult, so it's up to you to decide what to do with the validation results of that form.
Controller for scenario 3:
@RequestMapping("processForm")
public String processFormData(@Valid @ModelAttribute("employee") Employee employee){
return "employee-confirmation-page";
}
@ExceptionHandler(MethodArgumentNotValidException.class)
@ResponseStatus(HttpStatus.BAD_REQUEST)
public Map<String, String> invalidFormProcessor(MethodArgumentNotValidException ex){
//Your mapping of the errors...etc
}
In this scenario you're still not handling the errors like in the first scenario, but you pass that to another method that will take care of the exception that @Valid triggers when processing the form model. Check this see what to do with the mapping and all that.
To sum up: @Valid on its own with do nothing more that trigger the validation of validation JSR 303 annotated fields (@NotNull, @Email, @Size, etc...), you still need to specify a strategy of what to do with the results of said validation.
Hope I was able to clear something for people that might stumble with this.
You can also use the following format
strtotime("-3 days", time());
strtotime("+1 day", strtotime($date));
You can stack changes this way:
strtotime("+1 day", strtotime("+1 year", strtotime($date)));
Note the difference between this approach and the one in other answers: instead of concatenating the values +1 day
and <timestamp>
, you can just pass in the timestamp as the second parameter of strtotime
.
I feel like I should add my answer to this because it took me quite long to make this work:
This answer is for you if:
bquote
) in your labels and I basically put the labels in a named vector so labels would not get confused or switched. The labeller
expression could probably be simpler, but this at least works (improvements are very welcome). Note the ` (back quotes) to protect the facet-factor.
n <- 10
x <- seq(0, 300, length.out = n)
# I have my data in a "long" format
my_data <- data.frame(
Type = as.factor(c(rep('dl/l', n), rep('alpha', n))),
T = c(x, x),
Value = c(x*0.1, sqrt(x))
)
# the label names as a named vector
type_names <- c(
`nonsense` = "this is just here because it looks good",
`dl/l` = Linear~Expansion~~Delta*L/L[Ref]~"="~"[%]", # bquote expression
`alpha` = Linear~Expansion~Coefficient~~alpha~"="~"[1/K]"
)
ggplot() +
geom_point(data = my_data, mapping = aes(T, Value)) +
facet_wrap(. ~ Type, scales="free_y",
labeller = label_bquote(.(as.expression(
eval(parse(text = paste0('type_names', '$`', Type, '`')))
)))) +
labs(x="Temperature [K]", y="", colour = "") +
theme(legend.position = 'none')
Would something like this work for you?
SELECT * FROM FB WHERE Dte >= DATE(NOW() - INTERVAL 2 MONTH);
Using Stopwatch class we can achieve it from System.Diagnostics
.
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
stopwatch.Stop();
Debug.WriteLine(stopwatch.ElapsedMilliseconds);
Try setting an implicit wait of maybe 10 seconds.
gmail.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
Or set an explicit wait. An explicit waits is code you define to wait for a certain condition to occur before proceeding further in the code. In your case, it is the visibility of the password input field. (Thanks to ainlolcat's comment)
WebDriver gmail= new ChromeDriver();
gmail.get("https://www.gmail.co.in");
gmail.findElement(By.id("Email")).sendKeys("abcd");
gmail.findElement(By.id("next")).click();
WebDriverWait wait = new WebDriverWait(gmail, 10);
WebElement element = wait.until(
ExpectedConditions.visibilityOfElementLocated(By.id("Passwd")));
gmail.findElement(By.id("Passwd")).sendKeys("xyz");
Explanation: The reason selenium can't find the element is because the id of the password input field is initially Passwd-hidden. After you click on the "Next" button, Google first verifies the email address entered and then shows the password input field (by changing the id from Passwd-hidden to Passwd). So, when the password field is still hidden (i.e. Google is still verifying the email id), your webdriver starts searching for the password input field with id Passwd which is still hidden. And hence, an exception is thrown.
Get the date difference in days using DATEDIFF
SELECT DATEDIFF('2010-10-08 18:23:13', '2010-09-21 21:40:36') AS days;
+------+
| days |
+------+
| 17 |
+------+
OR
Refer the below link MySql difference between two timestamps in days?
If you don't want to be IDE dependent and want to work directly with the command line, you can use 'jdb' (Java Debugger)
As mentioned by Samuel with small modification (set suspend=y instead of suspend=n, y means yes which suspends the program and not run it so you that can set breakpoints to debug it, if suspend=n means it may run the program to completion before you can even debug it)
On the directory which contains your pom.xml, execute:
mvn exec:exec -Dexec.executable="java" -Dexec.args="-classpath %classpath -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=1044 com.mycompany.app.App"
Then, open up a new terminal and execute:
jdb -attach 1044
You can then use jdb to debug your program!=)
The very simple way of doing this is-
$ cd My\ Folder
In bash, run DIR command and in the results you would see that the folder or path names having space between them has been written in the results like this -
$dir
My\ Folder
New\ Folder
After this:
INSERT INTO aspnet_GameProfiles(UserId, GameId) OUTPUT INSERTED.ID VALUES(@UserId, @GameId)
Execute this
int id = (int)command.ExecuteScalar;
It will work
Reference types do not store the object directly into the variable to which it is assigned, so the object variable in the example below, doesn’t actually contain the object instance. Instead, it holds a pointer (or reference) to the location in memory, where the object exists.
var object = new Object();
if you assign one reference typed variable to another, each variable gets a copy of the pointer, and both still reference to the same object in memory.
var object1 = new Object();
var object2 = object1;
JavaScript is a garbage-collected language, so you don’t really need to worry about memory allocations when you use reference types. However, it’s best to dereference objects that you no longer need so that the garbage collector can free up that memory. The best way to do this is to set the object variable to null.
var object1 = new Object();
// do something
object1 = null; // dereference
Dereferencing objects is especially important in very large applications that use millions of objects.
from The Principles of Object-Oriented JavaScript - NICHOLAS C. ZAKAS
This Technical Note TN2328 from Apple Developer Library helped me a lot about Changes To Embedding Python Using Xcode 5.0.
Select / Option elements are rendered by the OS, not HTML. You cannot change the style for these elements.
You have downloaded Jersey 2 (which RI of JAX-RS 2). The tutorial you're referring to uses Jersey 1. Download Jersey 1.17.1 from (here), should be sufficient for you.
Jersey 1 uses com.sun.jersey
, and Jersey 2 uses org.glassfish.jersey
hence the exception.
Also note that also init-param
starting with com.sun.jersey
won't be recognized by Jersey 2.
Registering Resources and Providers in Jersey 2 contains additional info on how to register classes/instances in Jersey 2.
[id] [int] IDENTITY(1,1) NOT NULL,
of course since you're creating the table in SQL Server Management Studio you could use the table designer to set the Identity Specification.
A string is just a sequence of bytes, hence it's actually binary data in PHP. What exactly are you trying to do?
EDIT
If you want to store binary data in your database, the problem most often is the column definition in your database. PHP does not differentiate between binary data and strings, but databases do. In MySQL for example you should store binary data in BINARY
, VARBINARY
or BLOB
columns.
Another option would be to base64_encode
your PHP string and store it in some VARCHAR
or TEXT
column in the database. But be aware that the string's length will increase when base64_encode
is used.
Processes are like two people using two different computers, who use the network to share data when necessary. Threads are like two people using the same computer, who don't have to share data explicitly but must carefully take turns.
Conceptually, threads are just multiple worker bees buzzing around in the same address space. Each thread has its own stack, its own program counter, etc., but all threads in a process share the same memory. Imagine two programs running at the same time, but they both can access the same objects.
Contrast this with processes. Processes each have their own address space, meaning a pointer in one process cannot be used to refer to an object in another (unless you use shared memory).
I guess the key things to understand are:
This statement will definitely help you:
env = env.OrderByDescending(c => c.ReportDate).ToList();
You can try to do something like:
textView.getBackground().setAlpha(51);
Here you can set the opacity between 0 (fully transparent) to 255 (completely opaque). The 51 is exactly the 20% you want.
This works well for me:
fieldset {_x000D_
text-align:left;_x000D_
border:none_x000D_
}_x000D_
fieldset ol, fieldset ul {_x000D_
padding:0;_x000D_
list-style:none_x000D_
}_x000D_
fieldset li {_x000D_
padding-bottom:1.5em;_x000D_
float:none;_x000D_
clear:left_x000D_
}_x000D_
label {_x000D_
float:left;_x000D_
width:7em;_x000D_
margin-right:1em_x000D_
}_x000D_
fieldset.checkboxes li {_x000D_
clear:both;_x000D_
padding:.75em_x000D_
}_x000D_
fieldset.checkboxes label {_x000D_
margin:0 0 0 1em;_x000D_
width:20em_x000D_
}_x000D_
fieldset.checkboxes input {_x000D_
float:left_x000D_
}
_x000D_
<form>_x000D_
<fieldset class="checkboxes">_x000D_
<ul>_x000D_
<li>_x000D_
<input type="checkbox" name="happy" value="yep" id="happy" />_x000D_
<label for="happy">Happy?</label>_x000D_
</li>_x000D_
<li>_x000D_
<input type="checkbox" name="hungry" value="yep" id="hungry" />_x000D_
<label for="hungry">Hungry?</label>_x000D_
</li>_x000D_
</ul>_x000D_
</fieldset>_x000D_
</form>
_x000D_
Just little elaboration of regex for search a directory and file
Find a directroy with name like book
find . -name "*book*" -type d
Find a file with name like book word
find . -name "*book*" -type f
As a few people have mentioned, the parameters in paramMap
should be accessed using the common Map
API:
To get a snapshot of the params, when you don't care that they may change:
this.bankName = this.route.snapshot.paramMap.get('bank');
To subscribe and be alerted to changes in the parameter values (typically as a result of the router's navigation)
this.route.paramMap.subscribe( paramMap => {
this.bankName = paramMap.get('bank');
})
Since Angular 4, params
have been deprecated in favor of the new interface paramMap
. The code for the problem above should work if you simply substitute one for the other.
If you inject ActivatedRoute
in your component, you'll be able to extract the route parameters
import {ActivatedRoute} from '@angular/router';
...
constructor(private route:ActivatedRoute){}
bankName:string;
ngOnInit(){
// 'bank' is the name of the route parameter
this.bankName = this.route.snapshot.params['bank'];
}
If you expect users to navigate from bank to bank directly, without navigating to another component first, you ought to access the parameter through an observable:
ngOnInit(){
this.route.params.subscribe( params =>
this.bankName = params['bank'];
)
}
For the docs, including the differences between the two check out this link and search for "activatedroute"
A. Grab file data from the file field
The first thing to do is bind a function to the change event on your file field and a function for grabbing the file data:
// Variable to store your files
var files;
// Add events
$('input[type=file]').on('change', prepareUpload);
// Grab the files and set them to our variable
function prepareUpload(event)
{
files = event.target.files;
}
This saves the file data to a file variable for later use.
B. Handle the file upload on submit
When the form is submitted you need to handle the file upload in its own AJAX request. Add the following binding and function:
$('form').on('submit', uploadFiles);
// Catch the form submit and upload the files
function uploadFiles(event)
{
event.stopPropagation(); // Stop stuff happening
event.preventDefault(); // Totally stop stuff happening
// START A LOADING SPINNER HERE
// Create a formdata object and add the files
var data = new FormData();
$.each(files, function(key, value)
{
data.append(key, value);
});
$.ajax({
url: 'submit.php?files',
type: 'POST',
data: data,
cache: false,
dataType: 'json',
processData: false, // Don't process the files
contentType: false, // Set content type to false as jQuery will tell the server its a query string request
success: function(data, textStatus, jqXHR)
{
if(typeof data.error === 'undefined')
{
// Success so call function to process the form
submitForm(event, data);
}
else
{
// Handle errors here
console.log('ERRORS: ' + data.error);
}
},
error: function(jqXHR, textStatus, errorThrown)
{
// Handle errors here
console.log('ERRORS: ' + textStatus);
// STOP LOADING SPINNER
}
});
}
What this function does is create a new formData object and appends each file to it. It then passes that data as a request to the server. 2 attributes need to be set to false:
C. Upload the files
Quick and dirty php script to upload the files and pass back some info:
<?php // You need to add server side validation and better error handling here
$data = array();
if(isset($_GET['files']))
{
$error = false;
$files = array();
$uploaddir = './uploads/';
foreach($_FILES as $file)
{
if(move_uploaded_file($file['tmp_name'], $uploaddir .basename($file['name'])))
{
$files[] = $uploaddir .$file['name'];
}
else
{
$error = true;
}
}
$data = ($error) ? array('error' => 'There was an error uploading your files') : array('files' => $files);
}
else
{
$data = array('success' => 'Form was submitted', 'formData' => $_POST);
}
echo json_encode($data);
?>
IMP: Don't use this, write your own.
D. Handle the form submit
The success method of the upload function passes the data sent back from the server to the submit function. You can then pass that to the server as part of your post:
function submitForm(event, data)
{
// Create a jQuery object from the form
$form = $(event.target);
// Serialize the form data
var formData = $form.serialize();
// You should sterilise the file names
$.each(data.files, function(key, value)
{
formData = formData + '&filenames[]=' + value;
});
$.ajax({
url: 'submit.php',
type: 'POST',
data: formData,
cache: false,
dataType: 'json',
success: function(data, textStatus, jqXHR)
{
if(typeof data.error === 'undefined')
{
// Success so call function to process the form
console.log('SUCCESS: ' + data.success);
}
else
{
// Handle errors here
console.log('ERRORS: ' + data.error);
}
},
error: function(jqXHR, textStatus, errorThrown)
{
// Handle errors here
console.log('ERRORS: ' + textStatus);
},
complete: function()
{
// STOP LOADING SPINNER
}
});
}
Final note
This script is an example only, you'll need to handle both server and client side validation and some way to notify users that the file upload is happening. I made a project for it on Github if you want to see it working.
it is basically multiplying and dividing with the base power 2
shift left = x * 2 ^ y
shift right = x / 2 ^ y
shl eax,2 = 2 * 2 ^ 2 = 8
shr eax,3 = 2 / 2 ^ 3 = 1/4
See here:
Use
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE10">
I just tried it and it showed IE10 compatibility mode in the debug window.
Note that many cultures have 'second surnames' often called family names. For example, if you are dealing with Spanish people, they will appreciate having a family name separated from their 'surname'.
Best bet is to define a data type for the name components, use those for a data type for the surname and tweak depending on locale.
If you get a model instance from the database, then calling the save method will always update that instance. For example:
t = TemperatureData.objects.get(id=1)
t.value = 999 # change field
t.save() # this will update only
If your goal is prevent any INSERTs, then you can override the save
method, test if the primary key exists and raise an exception. See the following for more detail:
i recommend to look this article
http://www.456bereastreet.com/lab/developing_with_web_standards/csslayout/2-col/
see 4. Place the columns side by side special
To make the two columns (#main and #sidebar) display side by side we float them, one to the left and the other to the right. We also specify the widths of the columns.
#main {
float:left;
width:500px;
background:#9c9;
}
#sidebar {
float:right;
width:250px;
background:#c9c;
}
Note that the sum of the widths should be equal to the width given to #wrap in Step 3.
Please add in setting.gradle
(root folder)
startParameter.offline=true
In "Attributes Inspector" of your Tab Bar Controller within Interface Builder make sure your Bottom Bar is set to Opaque Tab Bar:
Now goto your AppDelegate.m file. Find:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
And then add this code between the curly braces to change the colors of both the tab bar buttons and the tab bar background:
///----------------SET TAB BAR COLOR------------------------//
//--------------FOR TAB BAR BUTTON COLOR---------------//
[[UITabBar appearance] setTintColor:[UIColor greenColor]];
//-------------FOR TAB BAR BACKGROUND COLOR------------//
[[UITabBar appearance] setBarTintColor:[UIColor whiteColor]];
As per @kexik's suggestion using the UNIX time function as below :
time_t result = time(NULL);
NSLog([NSString stringWithFormat:@"The current Unix epoch time is %d",(int)result]);
.As per my experience - don't use timeIntervalSince1970 , it gives epoch timestamp - number of seconds you are behind GMT.
There used to be a bug with [[NSDate date]timeIntervalSince1970] , it used to add/subtract time based on the timezone of the phone but it seems to be resolved now.
You can try one of the following:
Method 1:
MyProject
go build
./MyProject
You can do both steps at once by typing go build && ./MyProject
. Go files of the package main
are compiled to an executable.
Method 2:
go run *.go
. It won't create any executable but it runs.You can also try this, if this is what you need:
<style type="text/css">
....
table td div {height:20px;overflow-y:hidden;}
table td.col1 div {width:100px;}
table td.col2 div {width:300px;}
</style>
<table>
<tbody>
<tr><td class="col1"><div>test</div></td></tr>
<tr><td class="col2"><div>test</div></td></tr>
</tbody>
</table>
As you've discovered above, you can use a combination of window.onbeforeunload
and $locationChangeStart
to message the user. In addition, you can utilize ngForm.$dirty
to only message the user when they have made changes.
I've written an angularjs directive that you can apply to any form that will automatically watch for changes and message the user if they reload the page or navigate away. @see https://github.com/facultymatt/angular-unsavedChanges
Hopefully you find this directive useful!
I can see great answers, so there's no need to repeat here, so I'd like to offer some advice:
I would recommend using a Unix Timestamp integer instead of a human-readable date format to handle time internally, then use PHP's date()
function to convert the timestamp value into a human-readable date format for user display. Here's a crude example of how it should be done:
// Get unix timestamp in seconds
$current_time = date();
// Or if you need millisecond precision
// Get unix timestamp in milliseconds
$current_time = microtime(true);
Then use $current_time
as needed in your app (store, add or subtract, etc), then when you need to display the date value it to your users, you can use date()
to specify your desired date format:
// Display a human-readable date format
echo date('d-m-Y', $current_time);
This way you'll avoid much headache dealing with date formats, conversions and timezones, as your dates will be in a standardized format (Unix Timestamp) that is compact, timezone-independent (always in UTC) and widely supported in programming languages and databases.
Andrew's answer is good.
And just to help you out a bit more, here's how you use multiple formatting in one string
"Hello %s, my name is %s" % ('john', 'mike') # Hello john, my name is mike".
If you are using ints instead of string, use %d instead of %s.
"My name is %s and i'm %d" % ('john', 12) #My name is john and i'm 12
Since c++11, you can use the standard library instead of FormatMessage
:
#include <system_error>
std::string GetLastErrorAsString(){
DWORD errorMessageID = ::GetLastError();
if (errorMessageID == 0) {
return std::string(); //No error message has been recorded
} else {
return std::system_category().message(errorMessageID);
}
}
I had this problem and all I had to do is return true
from touchend and the warning went away.
Sometimes, it occurs when you add Junit Library in Module path. So, Delete it there and add in Class path.
ng --version command returns the details of the version of Angular CLI installed
For Windows you can check it using PowerShell
$PathInvalidChars = [System.IO.Path]::GetInvalidPathChars() #36 chars
To display UTF-8 codes you can convert
$enc = [system.Text.Encoding]::UTF8
$PathInvalidChars | foreach { $enc.GetBytes($_) }
$FileNameInvalidChars = [System.IO.Path]::GetInvalidFileNameChars() #41 chars
$FileOnlyInvalidChars = @(':', '*', '?', '\', '/') #5 chars - as a difference
@jkschneider's answer is right. However there is a better approach.
Write the needed changes in an sql file for each update as described in the link https://riggaroo.co.za/android-sqlite-database-use-onupgrade-correctly/
from_1_to_2.sql
ALTER TABLE books ADD COLUMN book_rating INTEGER;
from_2_to_3.sql
ALTER TABLE books RENAME TO book_information;
from_3_to_4.sql
ALTER TABLE book_information ADD COLUMN calculated_pages_times_rating INTEGER;
UPDATE book_information SET calculated_pages_times_rating = (book_pages * book_rating) ;
These .sql files will be executed in onUpgrade() method according to the version of the database.
DatabaseHelper.java
public class DatabaseHelper extends SQLiteOpenHelper {
private static final int DATABASE_VERSION = 4;
private static final String DATABASE_NAME = "database.db";
private static final String TAG = DatabaseHelper.class.getName();
private static DatabaseHelper mInstance = null;
private final Context context;
private DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
this.context = context;
}
public static synchronized DatabaseHelper getInstance(Context ctx) {
if (mInstance == null) {
mInstance = new DatabaseHelper(ctx.getApplicationContext());
}
return mInstance;
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(BookEntry.SQL_CREATE_BOOK_ENTRY_TABLE);
// The rest of your create scripts go here.
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
Log.e(TAG, "Updating table from " + oldVersion + " to " + newVersion);
// You will not need to modify this unless you need to do some android specific things.
// When upgrading the database, all you need to do is add a file to the assets folder and name it:
// from_1_to_2.sql with the version that you are upgrading to as the last version.
try {
for (int i = oldVersion; i < newVersion; ++i) {
String migrationName = String.format("from_%d_to_%d.sql", i, (i + 1));
Log.d(TAG, "Looking for migration file: " + migrationName);
readAndExecuteSQLScript(db, context, migrationName);
}
} catch (Exception exception) {
Log.e(TAG, "Exception running upgrade script:", exception);
}
}
@Override
public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
private void readAndExecuteSQLScript(SQLiteDatabase db, Context ctx, String fileName) {
if (TextUtils.isEmpty(fileName)) {
Log.d(TAG, "SQL script file name is empty");
return;
}
Log.d(TAG, "Script found. Executing...");
AssetManager assetManager = ctx.getAssets();
BufferedReader reader = null;
try {
InputStream is = assetManager.open(fileName);
InputStreamReader isr = new InputStreamReader(is);
reader = new BufferedReader(isr);
executeSQLScript(db, reader);
} catch (IOException e) {
Log.e(TAG, "IOException:", e);
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
Log.e(TAG, "IOException:", e);
}
}
}
}
private void executeSQLScript(SQLiteDatabase db, BufferedReader reader) throws IOException {
String line;
StringBuilder statement = new StringBuilder();
while ((line = reader.readLine()) != null) {
statement.append(line);
statement.append("\n");
if (line.endsWith(";")) {
db.execSQL(statement.toString());
statement = new StringBuilder();
}
}
}
}
An example project is provided in the same link also : https://github.com/riggaroo/AndroidDatabaseUpgrades
@agilityvision's answer translated to Swift4/iOS11. I haven't used localized strings, but you can change that easily:
import UIKit
/** An alert controller that can be called without a view controller.
Creates a blank view controller and presents itself over that
**/
class AlertPlusViewController: UIAlertController {
private var alertWindow: UIWindow?
override func viewDidLoad() {
super.viewDidLoad()
}
override func viewDidDisappear(_ animated: Bool) {
super.viewDidDisappear(animated)
self.alertWindow?.isHidden = true
alertWindow = nil
}
func show() {
self.showAnimated(animated: true)
}
func showAnimated(animated _: Bool) {
let blankViewController = UIViewController()
blankViewController.view.backgroundColor = UIColor.clear
let window = UIWindow(frame: UIScreen.main.bounds)
window.rootViewController = blankViewController
window.backgroundColor = UIColor.clear
window.windowLevel = UIWindowLevelAlert + 1
window.makeKeyAndVisible()
self.alertWindow = window
blankViewController.present(self, animated: true, completion: nil)
}
func presentOkayAlertWithTitle(title: String?, message: String?) {
let alertController = AlertPlusViewController(title: title, message: message, preferredStyle: .alert)
let okayAction = UIAlertAction(title: "Ok", style: .default, handler: nil)
alertController.addAction(okayAction)
alertController.show()
}
func presentOkayAlertWithError(error: NSError?) {
let title = "Error"
let message = error?.localizedDescription
presentOkayAlertWithTitle(title: title, message: message)
}
}
I was just creating the database link incorrectly.
Simple fix for me was to simply change 'SID' to SERVICE_NAME
CREATE DATABASE LINK my_db_link
CONNECT TO myUser IDENTIFIED BY myPassword
USING
'
(
DESCRIPTION=
(
ADDRESS=
(PROTOCOL=TCP)
(HOST=host-name-heren)
(PORT=1521)
)
(CONNECT_DATA=(SID=theNameOfTheDatabase))
)';
Changing
SID=theNameOfTheDatabase
to
SERVICE_NAME=theNameOfTheDatabase
resolved my issue.
Use DateTime.TryParseExact()
if you want to match against a specific date format
string format = "yyyyMMdd";
DateTime dateTime;
DateTime.TryParseExact(dateString, format, CultureInfo.InvariantCulture,
DateTimeStyles.None, out dateTime);
You can get this in 2 way using moment and also using Javascript
const date = moment("2015-07-02"); // Thursday Feb 2015_x000D_
const usingMoment_1 = date.day();_x000D_
const usingMoment_2 = date.isoWeekday();_x000D_
_x000D_
console.log('usingMoment: date.day() ==> ',usingMoment_1);_x000D_
console.log('usingMoment: date.isoWeekday() ==> ',usingMoment_2);_x000D_
_x000D_
_x000D_
const usingJS= new Date("2015-07-02").getDay();_x000D_
console.log('usingJavaSript: new Date("2015-07-02").getDay() ===> ',usingJS);
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
_x000D_
Try using display: inline-block;
on the inner div.
#outer {
width:500px;
height:200px;
background:#FFCCCC;
margin:50px auto 0 auto;
display:block;
}
#inner {
background:#FFCC33;
margin:50px 50px 50px 50px;
padding:10px;
display:inline-block;
}
length
and dbms_lob.getlength
return the number of characters when applied to a CLOB (Character LOB). When applied to a BLOB (Binary LOB), dbms_lob.getlength
will return the number of bytes, which may differ from the number of characters in a multi-byte character set.
As the documentation doesn't specify what happens when you apply length
on a BLOB, I would advise against using it in that case. If you want the number of bytes in a BLOB, use dbms_lob.getlength
.
In order to set color of a TextView, TextView.setTextColor(R.color.YOURCOLOR)
is not enough!
It has to be used like this –
TextView myText = (TextView) findViewById(R.id.YoutTextViewID);
myText.setTextColor(getResources().getColor(R.color.YOURCOLOR);
OR
myText.setTextColor(Color.parseColor("#54D66A"));
If you get this while in interactive shell and need a quick fix, do this:
from django.db import connection
connection._rollback()
originally seen in this answer
This is not the recommended way to solve this error but you can suppress it quickly, it will do the job . I prefer this for prototypes or demos . add
CheckForIllegalCrossThreadCalls = false
in Form1()
constructor .
ls -lR
is to display all files, directories and sub directories of the current directory
ls -lR | more
is used to show all the files in a flow.
Here is a one line Pythonic version:
import os
dir = 'given_directory_name'
filenames = [os.path.join(os.path.dirname(os.path.abspath(__file__)),dir,i) for i in os.listdir(dir)]
This code lists the full path of all files and directories in the given directory name.
The 1
s are because everything is perfectly correlated with itself, and the NA
s are because there are NA
s in your variables.
You will have to specify how you want R to compute the correlation when there are missing values, because the default is to only compute a coefficient with complete information.
You can change this behavior with the use
argument to cor
, see ?cor
for details.
I had a similar problem (join
worked, but concat
failed).
Check for duplicate index values in df1
and s1
, (e.g. df1.index.is_unique
)
Removing duplicate index values (e.g., df.drop_duplicates(inplace=True)
) or one of the methods here https://stackoverflow.com/a/34297689/7163376 should resolve it.
Remove those char * ret
declarations inside if
blocks which hide outer ret
. Therefor you have memory leak and on the other hand un-allocated memory for ret
.
To compare a c-style string you should use strcmp(array,"")
not array!=""
. Your final code should looks like below:
char* appendCharToCharArray(char* array, char a)
{
size_t len = strlen(array);
char* ret = new char[len+2];
strcpy(ret, array);
ret[len] = a;
ret[len+1] = '\0';
return ret;
}
Note that, you must handle the allocated memory of returned ret
somewhere by delete[]
it.
Why you don't use std::string
? it has .append
method to append a character at the end of a string:
std::string str;
str.append('x');
// or
str += x;
Not sure if JSF provides a built-in functionality, but you could use java.sql.Date
's constructor to convert to a date object: http://download.oracle.com/javase/1.5.0/docs/api/java/sql/Date.html#Date(long)
Then you should be able to use higher level features provided by Java SE, Java EE to display and format the extracted date. You could instantiate a java.util.Calendar
and explicitly set the time: http://download.oracle.com/javase/1.5.0/docs/api/java/util/Calendar.html#setTime(java.util.Date)
EDIT: The JSF components should not take care of the conversion. Your data access layer (persistence layer) should take care of this. In other words, your JSF components should not handle the long
typed attributes but only a Date
or Calendar
typed attributes.
If you want to replace only the newlines:
var input = @"sdfhlu \r\n sdkuidfs\r\ndfgdgfd";
var match = @"[\\ ]+";
var replaceWith = " ";
Console.WriteLine("input: " + input);
var x = Regex.Replace(input.Replace(@"\n", replaceWith).Replace(@"\r", replaceWith), match, replaceWith);
Console.WriteLine("output: " + x);
If you want to replace newlines, tabs and white spaces:
var input = @"sdfhlusdkuidfs\r\ndfgdgfd";
var match = @"[\\s]+";
var replaceWith = "";
Console.WriteLine("input: " + input);
var x = Regex.Replace(input, match, replaceWith);
Console.WriteLine("output: " + x);
You might want to replace <br/>
and </p>
tags with newlines before stripping the HTML to prevent it becoming an illegible mess as Tim suggests.
The only way I can think of removing HTML tags but leaving non-HTML between angle brackets would be check against a list of HTML tags. Something along these lines...
replaceAll("\\<[\s]*tag[^>]*>","")
Then HTML-decode special characters such as &
. The result should not be considered to be sanitized.
I wrote a script and created a git repository, which solves this issue here: https://github.com/Cazaimi/boot-github-shell-win .
The readme contains instructions on how to set the script up, so that each time you open a new window/tab the private key is added to ssh-agent
automatically, and you don't have to worry about this, if you're working with remote git repositories.
I don't think there are any machine code decompilers that produce Pascal code. Most "Delphi decompilers" parse form and RTTI data, but do not actually decompile the machine code. I can only recommend using something like DeDe (or similar software) to extract symbol information in combination with a C decompiler, then translate the decompiled C code to Delphi (there are many source code converters out there).
A char
is an integral type. When you write
char ch = 'A';
you're setting the value of ch
to whatever number your compiler uses to represent the character 'A'
. That's usually the ASCII code for 'A'
these days, but that's not required. You're almost certainly using a system that uses ASCII.
Like any numeric type, you can initialize it with an ordinary number:
char ch = 13;
If you want do do arithmetic on a char
value, just do it: ch = ch + 1;
etc.
However, in order to display the value you have to get around the assumption in the iostreams library that you want to display char
values as characters rather than numbers. There are a couple of ways to do that.
std::cout << +ch << '\n';
std::cout << int(ch) << '\n'
Try this: select right('00000' + cast(Your_Field as varchar(5)), 5)
It will get the result in 5 digits, ex: 00001,...., 01234
This script outputs the number of unique values in each column of a given file. It assumes that first line of given file is header line. There is no need for defining number of fields. Simply save the script in a bash file (.sh) and provide the tab delimited file as a parameter to this script.
Code
#!/bin/bash
awk '
(NR==1){
for(fi=1; fi<=NF; fi++)
fname[fi]=$fi;
}
(NR!=1){
for(fi=1; fi<=NF; fi++)
arr[fname[fi]][$fi]++;
}
END{
for(fi=1; fi<=NF; fi++){
out=fname[fi];
for (item in arr[fname[fi]])
out=out"\t"item"_"arr[fname[fi]][item];
print(out);
}
}
' $1
Execution Example:
bash> ./script.sh <path to tab-delimited file>
Output Example
isRef A_15 C_42 G_24 T_18
isCar YEA_10 NO_40 NA_50
isTv FALSE_33 TRUE_66
You must use some of the C # conversion systems:
string to boolean: True to true
string str = "True";
bool mybool = System.Convert.ToBoolean(str);
boolean to string: true to True
bool mybool = true;
string str = System.Convert.ToString(mybool);
//or
string str = mybool.ToString();
bool.Parse
expects one parameter which in this case is str, even .
Convert.ToBoolean
expects one parameter.
bool.TryParse
expects two parameters, one entry (str) and one out (result).
If TryParse
is true, then the conversion was correct, otherwise an error occurred
string str = "True";
bool MyBool = bool.Parse(str);
//Or
string str = "True";
if(bool.TryParse(str, out bool result))
{
//Correct conversion
}
else
{
//Incorrect, an error has occurred
}
I've created a little Powershell function to emulate MSDOS pause
. This handles whether running Powershell ISE or non ISE. (ReadKey
does not work in powershell ISE). When running Powershell ISE, this function opens a Windows MessageBox
. This can sometimes be confusing, because the MessageBox
does not always come to the forefront. Anyway, here it goes:
Usage:
pause "Press any key to continue"
Function definition:
Function pause ($message)
{
# Check if running Powershell ISE
if ($psISE)
{
Add-Type -AssemblyName System.Windows.Forms
[System.Windows.Forms.MessageBox]::Show("$message")
}
else
{
Write-Host "$message" -ForegroundColor Yellow
$x = $host.ui.RawUI.ReadKey("NoEcho,IncludeKeyDown")
}
}
It appears the default setting for Adobe Reader X is for the toolbars not to be shown by default unless they are explicitly turned on by the user. And even when I turn them back on during a session, they don't show up automatically next time. As such, I suspect you have a preference set contrary to the default.
The state you desire, with the top and left toolbars not shown, is called "Read Mode". If you right-click on the document itself, and then click "Page Display Preferences" in the context menu that is shown, you'll be presented with the Adobe Reader Preferences dialog. (This is the same dialog you can access by opening the Adobe Reader application, and selecting "Preferences" from the "Edit" menu.) In the list shown in the left-hand column of the Preferences dialog, select "Internet". Finally, on the right, ensure that you have the "Display in Read Mode by default" box checked:
You can also turn off the toolbars temporarily by clicking the button at the right of the top toolbar that depicts arrows pointing to opposing corners:
Finally, if you have "Display in Read Mode by default" turned off, but want to instruct the page you're loading not to display the toolbars (i.e., override the user's current preferences), you can append the following to the URL:
#toolbar=0&navpanes=0
So, for example, the following code will disable both the top toolbar (called "toolbar") and the left-hand toolbar (called "navpane"). However, if the user knows the keyboard combination (F8, and perhaps other methods as well), they will still be able to turn them back on.
string url = @"http://www.domain.com/file.pdf#toolbar=0&navpanes=0";
this._WebBrowser.Navigate(url);
You can read more about the parameters that are available for customizing the way PDF files open here on Adobe's developer website.
You can get the current activity with getActivity()
Toast.makeText(getActivity(),"Toast your message" ,Toast.LENGTH_SHORT).show();
This code work for me. I also handled case "Never Ask Me"
In AndroidManifest.xml
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
In build.gradle (Module: app)
dependencies {
....
implementation "com.google.android.gms:play-services-location:16.0.0"
}
This is CurrentLocationManager.kt
import android.Manifest
import android.app.Activity
import android.content.Context
import android.content.IntentSender
import android.content.pm.PackageManager
import android.location.Location
import android.location.LocationListener
import android.location.LocationManager
import android.os.Bundle
import android.os.CountDownTimer
import android.support.v4.app.ActivityCompat
import android.support.v4.content.ContextCompat
import android.util.Log
import com.google.android.gms.common.api.ApiException
import com.google.android.gms.common.api.CommonStatusCodes
import com.google.android.gms.common.api.ResolvableApiException
import com.google.android.gms.location.LocationRequest
import com.google.android.gms.location.LocationServices
import com.google.android.gms.location.LocationSettingsRequest
import com.google.android.gms.location.LocationSettingsStatusCodes
import java.lang.ref.WeakReference
object CurrentLocationManager : LocationListener {
const val REQUEST_CODE_ACCESS_LOCATION = 123
fun checkLocationPermission(activity: Activity) {
if (ContextCompat.checkSelfPermission(
activity,
Manifest.permission.ACCESS_FINE_LOCATION
) != PackageManager.PERMISSION_GRANTED
) {
ActivityCompat.requestPermissions(
activity,
arrayOf(Manifest.permission.ACCESS_FINE_LOCATION),
REQUEST_CODE_ACCESS_LOCATION
)
} else {
Thread(Runnable {
// Moves the current Thread into the background
android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_BACKGROUND)
//
requestLocationUpdates(activity)
}).start()
}
}
/**
* be used in HomeActivity.
*/
const val REQUEST_CHECK_SETTINGS = 55
/**
* The number of millis in the future from the call to start().
* until the countdown is done and onFinish() is called.
*
*
* It is also the interval along the way to receive onTick(long) callbacks.
*/
private const val TWENTY_SECS: Long = 20000
/**
* Timer to get location from history when requestLocationUpdates don't return result.
*/
private var mCountDownTimer: CountDownTimer? = null
/**
* WeakReference of current activity.
*/
private var mWeakReferenceActivity: WeakReference<Activity>? = null
/**
* user's location.
*/
var currentLocation: Location? = null
@Synchronized
fun requestLocationUpdates(activity: Activity) {
if (mWeakReferenceActivity == null) {
mWeakReferenceActivity = WeakReference(activity)
} else {
mWeakReferenceActivity?.clear()
mWeakReferenceActivity = WeakReference(activity)
}
//create location request: https://developer.android.com/training/location/change-location-settings.html#prompt
val mLocationRequest = LocationRequest()
// Which your app prefers to receive location updates. Note that the location updates may be
// faster than this rate, or slower than this rate, or there may be no updates at all
// (if the device has no connectivity)
mLocationRequest.interval = 20000
//This method sets the fastest rate in milliseconds at which your app can handle location updates.
// You need to set this rate because other apps also affect the rate at which updates are sent
mLocationRequest.fastestInterval = 10000
mLocationRequest.priority = LocationRequest.PRIORITY_HIGH_ACCURACY
//Get Current Location Settings
val builder = LocationSettingsRequest.Builder().addLocationRequest(mLocationRequest)
//Next check whether the current location settings are satisfied
val client = LocationServices.getSettingsClient(activity)
val task = client.checkLocationSettings(builder.build())
//Prompt the User to Change Location Settings
task.addOnSuccessListener(activity) {
Log.d("CurrentLocationManager", "OnSuccessListener")
// All location settings are satisfied. The client can initialize location requests here.
// If it's failed, the result after user updated setting is sent to onActivityResult of HomeActivity.
val activity1 = mWeakReferenceActivity?.get()
if (activity1 != null) {
startRequestLocationUpdate(activity1.applicationContext)
}
}
task.addOnFailureListener(activity) { e ->
Log.d("CurrentLocationManager", "addOnFailureListener")
val statusCode = (e as ApiException).statusCode
when (statusCode) {
CommonStatusCodes.RESOLUTION_REQUIRED ->
// Location settings are not satisfied, but this can be fixed
// by showing the user a dialog.
try {
val activity1 = mWeakReferenceActivity?.get()
if (activity1 != null) {
// Show the dialog by calling startResolutionForResult(),
// and check the result in onActivityResult().
val resolvable = e as ResolvableApiException
resolvable.startResolutionForResult(
activity1, REQUEST_CHECK_SETTINGS
)
}
} catch (sendEx: IntentSender.SendIntentException) {
// Ignore the error.
sendEx.printStackTrace()
}
LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE -> {
// Location settings are not satisfied. However, we have no way
// to fix the settings so we won't show the dialog.
}
}
}
}
fun startRequestLocationUpdate(appContext: Context) {
val mLocationManager = appContext.getSystemService(Context.LOCATION_SERVICE) as LocationManager
if (ActivityCompat.checkSelfPermission(
appContext.applicationContext,
Manifest.permission.ACCESS_FINE_LOCATION
) == PackageManager.PERMISSION_GRANTED
) {
//Utilities.showProgressDialog(mWeakReferenceActivity.get());
if (mLocationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
mLocationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER, 10000, 0f, this
)
} else {
mLocationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, 10000, 0f, this
)
}
}
/*Timer to call getLastKnownLocation() when requestLocationUpdates don 't return result*/
countDownUpdateLocation()
}
override fun onLocationChanged(location: Location?) {
if (location != null) {
stopRequestLocationUpdates()
currentLocation = location
}
}
override fun onStatusChanged(provider: String, status: Int, extras: Bundle) {
}
override fun onProviderEnabled(provider: String) {
}
override fun onProviderDisabled(provider: String) {
}
/**
* Init CountDownTimer to to get location from history when requestLocationUpdates don't return result.
*/
@Synchronized
private fun countDownUpdateLocation() {
mCountDownTimer?.cancel()
mCountDownTimer = object : CountDownTimer(TWENTY_SECS, TWENTY_SECS) {
override fun onTick(millisUntilFinished: Long) {}
override fun onFinish() {
if (mWeakReferenceActivity != null) {
val activity = mWeakReferenceActivity?.get()
if (activity != null && ActivityCompat.checkSelfPermission(
activity,
Manifest.permission.ACCESS_FINE_LOCATION
) == PackageManager.PERMISSION_GRANTED
) {
val location = (activity.applicationContext
.getSystemService(Context.LOCATION_SERVICE) as LocationManager)
.getLastKnownLocation(LocationManager.PASSIVE_PROVIDER)
stopRequestLocationUpdates()
onLocationChanged(location)
} else {
stopRequestLocationUpdates()
}
} else {
mCountDownTimer?.cancel()
mCountDownTimer = null
}
}
}.start()
}
/**
* The method must be called in onDestroy() of activity to
* removeUpdateLocation and cancel CountDownTimer.
*/
fun stopRequestLocationUpdates() {
val activity = mWeakReferenceActivity?.get()
if (activity != null) {
/*if (ActivityCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {*/
(activity.applicationContext
.getSystemService(Context.LOCATION_SERVICE) as LocationManager).removeUpdates(this)
/*}*/
}
mCountDownTimer?.cancel()
mCountDownTimer = null
}
}
In MainActivity.kt
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
...
CurrentLocationManager.checkLocationPermission(this@LoginActivity)
}
override fun onDestroy() {
CurrentLocationManager.stopRequestLocationUpdates()
super.onDestroy()
}
override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults)
if (requestCode == CurrentLocationManager.REQUEST_CODE_ACCESS_LOCATION) {
if (grantResults[0] == PackageManager.PERMISSION_DENIED) {
//denied
val builder = AlertDialog.Builder(this)
builder.setMessage("We need permission to use your location for the purpose of finding friends near you.")
.setTitle("Device Location Required")
.setIcon(com.eswapp.R.drawable.ic_info)
.setPositiveButton("OK") { _, _ ->
if (ActivityCompat.shouldShowRequestPermissionRationale(
this,
Manifest.permission.ACCESS_FINE_LOCATION
)
) {
//only deny
CurrentLocationManager.checkLocationPermission(this@LoginActivity)
} else {
//never ask again
val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
val uri = Uri.fromParts("package", packageName, null)
intent.data = uri
startActivityForResult(intent, CurrentLocationManager.REQUEST_CHECK_SETTINGS)
}
}
.setNegativeButton("Ask Me Later") { _, _ ->
}
// Create the AlertDialog object and return it
val dialog = builder.create()
dialog.show()
} else if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
CurrentLocationManager.requestLocationUpdates(this)
}
}
}
//Forward Login result to the CallBackManager in OnActivityResult()
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
when (requestCode) {
//case 1. After you allow the app access device location, Another dialog will be displayed to request you to turn on device location
//case 2. Or You chosen Never Ask Again, you open device Setting and enable location permission
CurrentLocationManager.REQUEST_CHECK_SETTINGS -> when (resultCode) {
RESULT_OK -> {
Log.d("REQUEST_CHECK_SETTINGS", "RESULT_OK")
//case 1. You choose OK
CurrentLocationManager.startRequestLocationUpdate(applicationContext)
}
RESULT_CANCELED -> {
Log.d("REQUEST_CHECK_SETTINGS", "RESULT_CANCELED")
//case 1. You choose NO THANKS
//CurrentLocationManager.requestLocationUpdates(this)
//case 2. In device Setting screen: user can enable or not enable location permission,
// so when user back to this activity, we should re-call checkLocationPermission()
CurrentLocationManager.checkLocationPermission(this@LoginActivity)
}
else -> {
//do nothing
}
}
else -> {
super.onActivityResult(requestCode, resultCode, data)
}
}
}
Its a good idea to stay away from parseInt and use Number and Math.round unless you need hex or octal. Both can use strings. Why stay away from it?
parseInt(0.001, 10)
0
parseInt(-0.0000000001, 10)
-1
parseInt(0.0000000001, 10)
1
parseInt(4000000000000000000000, 10)
4
It completly butchers really large or really small numbers. Oddly enough it works normally if these inputs are a string.
parseInt("-0.0000000001", 10)
0
parseInt("0.0000000001", 10)
0
parseInt("4000000000000000000000", 10)
4e+21
Instead of risking hard to find bugs with this and the other gotchas people mentioned, I would just avoid parseInt unless you need to parse something other than base 10. Number, Math.round, Math.foor, and .toFixed(0) can all do the same things parseInt can be used for without having these types of bugs.
If you really want or need to use parseInt for some of it's other qualities, never use it to convert floats to ints.
You need to use the openssl pkcs12 -export -chain -in server.crt -CAfile ...
Java 8 has introduced a new class, Optional<T>
, that can be used in such cases. To use it, you'd modify your code slightly as follows:
interface B<E>{ Optional<E> method(); }
class A implements B<Void>{
public Optional<Void> method(){
// do something
return Optional.empty();
}
}
This allows you to ensure that you always get a non-null return value from your method, even when there isn't anything to return. That's especially powerful when used in conjunction with tools that detect when null
can or can't be returned, e.g. the Eclipse @NonNull
and @Nullable
annotations.
There was an issue posted here about this: https://github.com/twbs/bootstrap/issues/14107
The issue was solved by this commit: https://github.com/twbs/bootstrap/commit/bd292ca3b89da982abf34473318c77ace3417fb5
The solution therefore is to override it back to #999
and not white
as suggested (and also overriding all bootstraps styles, not just for webkit-styles):
.form-control::-moz-placeholder {
color: #999;
}
.form-control:-ms-input-placeholder {
color: #999;
}
.form-control::-webkit-input-placeholder {
color: #999;
}
ActiveWorkbook.RefreshAll
refreshes everything, not only the pivot tables but also the ODBC queries. I have a couple of VBA queries that refer to Data connections and using this option crashes as the command runs the Data connections without the detail supplied from the VBA
I recommend the option if you only want the pivots refreshed
Sub RefreshPivotTables()
Dim pivotTable As PivotTable
For Each pivotTable In ActiveSheet.PivotTables
pivotTable.RefreshTable
Next
End Sub
Here is a method I used and worked for me
public static String toSql(Session session, Criteria criteria){
String sql="";
Object[] parameters = null;
try{
CriteriaImpl c = (CriteriaImpl) criteria;
SessionImpl s = (SessionImpl)c.getSession();
SessionFactoryImplementor factory = (SessionFactoryImplementor)s.getSessionFactory();
String[] implementors = factory.getImplementors( c.getEntityOrClassName() );
CriteriaLoader loader = new CriteriaLoader((OuterJoinLoadable)factory.getEntityPersister(implementors[0]), factory, c, implementors[0], s.getEnabledFilters());
Field f = OuterJoinLoader.class.getDeclaredField("sql");
f.setAccessible(true);
sql = (String)f.get(loader);
Field fp = CriteriaLoader.class.getDeclaredField("traslator");
fp.setAccessible(true);
CriteriaQueryTranslator translator = (CriteriaQueryTranslator) fp.get(loader);
parameters = translator.getQueryParameters().getPositionalParameterValues();
}
catch(Exception e){
throw new RuntimeException(e);
}
if (sql !=null){
int fromPosition = sql.indexOf(" from ");
sql = "SELECT * "+ sql.substring(fromPosition);
if (parameters!=null && parameters.length>0){
for (Object val : parameters) {
String value="%";
if(val instanceof Boolean){
value = ((Boolean)val)?"1":"0";
}else if (val instanceof String){
value = "'"+val+"'";
}
sql = sql.replaceFirst("\\?", value);
}
}
}
return sql.replaceAll("left outer join", "\nleft outer join").replace(" and ", "\nand ").replace(" on ", "\non ");
}
if you are using matplotlib version 3.1.1 or above, you can try:
import matplotlib.pyplot as plt
from matplotlib.colors import ListedColormap
x = [1, 3, 4, 6, 7, 9]
y = [0, 0, 5, 8, 8, 8]
classes = ['A', 'B', 'C']
values = [0, 0, 1, 2, 2, 2]
colours = ListedColormap(['r','b','g'])
scatter = plt.scatter(x, y,c=values, cmap=colours)
plt.legend(handles=scatter.legend_elements()[0], labels=classes)
Use the following methods
1: Method one
var count = 123;
var message = $"Rows count is: {count}";
2: Method two
var count = 123;
var message = "Rows count is:" + count;
3: Method three
var count = 123;
var message = string.Format("Rows count is:{0}", count);
4: Method four
var count = 123;
var message = @"Rows
count
is:{0}" + count;
5: Method five
var count = 123;
var message = $@"Rows
count
is: {count}";
<table style="width: auto;" ...
works fine. Tested in Chrome 38 , IE 11 and Firefox 34.
jsfiddle : http://jsfiddle.net/rpaul/taqodr8o/
There are possible solutions here: http://forums.mysql.com/read.php?35,64808,254785#msg-254785 and here: http://forums.mysql.com/read.php?35,23138,254786#msg-254786
All of these are config settings. In my case I have two computers with everything in XAMPP synced. On the other computer phpMyAdmin did start normally. So the problem in my case seemed to be with the specific computer, not the config files. Stopping firewall didn't help.
Finally, more or less by accident, I bumped into the file:
...path_to_XAMPP\XAMPP...\mysql\bin\mysqld-debug.exe
Doubleclicking that file miraculously gave me back PhpMyAdmin. Posted here in case anyone might be helped by this too.
So what I did was to have the standard src/main/resources/application.properties
and also a src/test/resources/application-default.properties
where i override some settings for ALL my tests.
I ran into the same problem and was not using profiles either so far. It seemed to be bothersome to have to do it now and remember declaring the profile -- which can be easily forgotten.
The trick is, to leverage that a profile specific application-<profile>.properties
overrides settings in the general profile. See https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-external-config.html#boot-features-external-config-profile-specific-properties.
Swift 4.2
You can use a general function for your every textField just add the following function in your base controller
// White space validation.
func checkTextFieldIsNotEmpty(text:String) -> Bool
{
if (text.trimmingCharacters(in: .whitespaces).isEmpty)
{
return false
}else{
return true
}
}
Two End Registration or Users Automatically Registered to "Shouttoday" by ajax when they Complete Registration by form submission.
var deffered = $.ajax({
url:"code.shouttoday.com/ajax_registration",
type:"POST",
data: $('form').serialize()
});
$(function(){
var form;
$('form').submit( function(event) {
var formId = $(this).attr("id");
form = this;
event.preventDefault();
deffered.done(function(response){
alert($('form').serializeArray());alert(response);
alert("success");
alert('Submitting');
form.submit();
})
.error(function(){
alert(JSON.stringify($('form').serializeArray()).toString());
alert("error");
form.submit();
});
});
});
Here's a cross browser function I have in my standard library:
function getCursorPos(input) {
if ("selectionStart" in input && document.activeElement == input) {
return {
start: input.selectionStart,
end: input.selectionEnd
};
}
else if (input.createTextRange) {
var sel = document.selection.createRange();
if (sel.parentElement() === input) {
var rng = input.createTextRange();
rng.moveToBookmark(sel.getBookmark());
for (var len = 0;
rng.compareEndPoints("EndToStart", rng) > 0;
rng.moveEnd("character", -1)) {
len++;
}
rng.setEndPoint("StartToStart", input.createTextRange());
for (var pos = { start: 0, end: len };
rng.compareEndPoints("EndToStart", rng) > 0;
rng.moveEnd("character", -1)) {
pos.start++;
pos.end++;
}
return pos;
}
}
return -1;
}
Use it in your code like this:
var cursorPosition = getCursorPos($('#myTextarea')[0])
Here's its complementary function:
function setCursorPos(input, start, end) {
if (arguments.length < 3) end = start;
if ("selectionStart" in input) {
setTimeout(function() {
input.selectionStart = start;
input.selectionEnd = end;
}, 1);
}
else if (input.createTextRange) {
var rng = input.createTextRange();
rng.moveStart("character", start);
rng.collapse();
rng.moveEnd("character", end - start);
rng.select();
}
}
//xn=list of parent nodes......
foreach (XmlNode xn in xnList)
{
foreach (XmlNode child in xn.ChildNodes)
{
if (child.Name.Equals("name"))
{
name = child.InnerText;
}
if (child.Name.Equals("age"))
{
age = child.InnerText;
}
}
}
Alternative Solution
Instead halting a debug session to add some throw-away statements to then recompile and restart, why not just use the debugger to answer that question immediately when a breakpoint is hit?
That can be done by opening up the Immediate Window
of the debugger and typing a GetType
off of the exception and hitting Enter. The immediate window also allows one to interrogate variables as needed.
See VS Docs: Immediate Window
For example I needed to know what the exception was and just extracted the Name
property of GetType
as such without having to recompile:
Random Key Generator
keyLength argument is the character length you want for the key
function keyGen(keyLength) {
var i, key = "", characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
var charactersLength = characters.length;
for (i = 0; i < keyLength; i++) {
key += characters.substr(Math.floor((Math.random() * charactersLength) + 1), 1);
}
return key;
}
keyGen(12)
"QEt9mYBiTpYD"
SELECT TOP 14 A, B, C
FROM MyDatabase
Where EXISTS
(
Select Distinct[A] FROM MyDatabase
)
In oracle you can use the following sql command to generate the sql commands you need:
select
"select * "
" from "||table_name||
" where "||column_name||" like '%123abcd%' ;" as sql_command
from user_tab_columns
where data_type='VARCHAR2';
I agree with chrylis: you believe you changed your project's compliance settings but probably you didnt.
Right click on your project and:
By the way you can "tell" eclipse that jre8 is 1.6 compliance clicking on Window/Preferences/Java/Installed JREs/Execution Environment and selecting in the left panel, Execution Environments, JavaSE-1.6 and in the Compatible JRE's panel, jre8
Unfortunately, most of these tools only return the NS record as provided by the actual name server itself. To be more accurate in determining which name servers are actually responsible for a domain, you'd have to either use "whois" and check the domains listed there OR use "dig [domain] NS @[root name server]" and run that recursively until you get the name server listings...
I wish there were a simple command line that you could run to get THAT result dependably and in a consistent format, not just the result that is given from the name server itself. The purpose of this for me is to be able to query about 330 domain names that I manage so I can determine exactly which name server each domain is pointing to (as per their registrar settings).
Anyone know of a command using "dig" or "host" or something else on *nix?
This solution can help :
public class FragmentItem extends Android.Support.V4.App.Fragment
{
View rootView;
TextView textView;
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (rootView != null)
{
ViewGroup parent = (ViewGroup)rootView.Parent;
parent.RemoveView(rootView);
} else {
rootView = inflater.Inflate(Resource.Layout.FragmentItem, container, false);
textView = rootView.FindViewById<TextView>(Resource.Id.textViewDisplay);
}
return rootView;
}
}
Here's an example using XHR2:
function xhrToSend(){
// Attempt to creat the XHR2 object
var xhr;
try{
xhr = new XMLHttpRequest();
}catch (e){
try{
xhr = new XDomainRequest();
} catch (e){
try{
xhr = new ActiveXObject('Msxml2.XMLHTTP');
}catch (e){
try{
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}catch (e){
statusField('\nYour browser is not' +
' compatible with XHR2');
}
}
}
}
xhr.open('POST', 'startStopResume.aspx', true);
xhr.setRequestHeader("chunk", numberOfBLObsSent + 1);
xhr.onreadystatechange = function (e) {
if (xhr.readyState == 4 && xhr.status == 200) {
receivedChunks++;
}
};
xhr.send(chunk);
numberOfBLObsSent++;
};
Hope that helps.
If you create your object, you can use the setRequestHeader function to assign a name, and a value before you send the request.
My situation is cross-origin related.
Situation: Browser sends OPTIONS
request before sending the real request like GET
or POST
. Backend developer forgets to deal with the OPTIONS
request, letting it go through the service code, making the processing time too long. Longer than the timeout setting I wrote in the axios
initialization, which is 5000 milliseconds. Therefore, the real request couldn't be sent, and then I encountered the provisional headers are shown
problem.
Solution: When it comes to OPTIONS
request, backend api just return result, it makes the request faster and the real request can be sent before timeout.
On Windows 7:
Create a shortcut to that batch file
Right click on that shortcut file and choose Properties
Click the Advanced
button to find a checkbox for running as administrator
Check the screenshot below
If you want to get rid of the extra xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
and xmlns:xsd="http://www.w3.org/2001/XMLSchema"
, but still keep your own namespace xmlns="http://schemas.YourCompany.com/YourSchema/"
, you use the same code as above except for this simple change:
// Add lib namespace with empty prefix
ns.Add("", "http://schemas.YourCompany.com/YourSchema/");
While pow( base, exp )
is a great suggestion, be aware that it typically works in floating-point.
This may or may not be what you want: on some systems a simple loop multiplying on an accumulator will be faster for integer types.
And for square specifically, you might as well just multiply the numbers together yourself, floating-point or integer; it's not really a decrease in readability (IMHO) and you avoid the performance overhead of a function call.
wrote:
"The switch statement does a constant time branch regardless of how many cases you have."
Since the language allows the string type to be used in a switch statement I presume the compiler is unable to generate code for a constant time branch implementation for this type and needs to generate an if-then style.
@mweerden - Ah I see. Thanks.
I do not have a lot of experience in C# and .NET but it seems the language designers do not allow static access to the type system except in narrow circumstances. The typeof keyword returns an object so this is accessible at run-time only.
in case anyone using Drupal 8 face this issue with mysql 8, I fixed that by overriding the default configuration by adding this piece of code.
Source: https://www.drupal.org/project/drupal/issues/2856270
I want to warn you that $('a[data-attribute=true]')
doesn't work, as per Ashley's reply, if you attached data to a DOM element via the data() function.
It works as you'd expect if you added an actual data-attr in your HTML, but jQuery stores the data in memory, so the results you'd get from $('a[data-attribute=true]')
would not be correct.
You'll need to use the data plugin http://code.google.com/p/jquerypluginsblog/, use Dmitri's filter
solution, or do a $.each over all the elements and check .data() iteratively
Update
Since extract_numeric
is deprecated, we can use parse_number
from readr
package.
library(readr)
parse_number(years)
Here is another option with extract_numeric
library(tidyr)
extract_numeric(years)
#[1] 20 1