I found this good article about zval in PHP, which mentioned COW too:
Copy On Write (abbreviated as ‘COW’) is a trick designed to save memory. It is used more generally in software engineering. It means that PHP will copy the memory (or allocate new memory region) when you write to a symbol, if this one was already pointing to a zval.
Why not go even simpler with either one of these options:
$("#box").html('<div id="myid" style="display:block; float:left;width:'+width+'px; height:'+height+'px; margin-top:'+positionY+'px;margin-left:'+positionX+'px;border:1px dashed #CCCCCC;"></div>');
Or, if you want to append it to existing content:
$("#box").append('<div id="myid" style="display:block; float:left;width:'+width+'px; height:'+height+'px; margin-top:'+positionY+'px;margin-left:'+positionX+'px;border:1px dashed #CCCCCC;"></div>');
Note: I put the id="myid"
right into the HTML string rather than using separate code to set it.
Both the .html()
and .append()
jQuery methods can take a string of HTML so there's no need to use a separate step for creating the objects.
While the answers above are good they will not catch network errors. As Mark mentioned, BadResponseException is just a super class for ClientException and ServerException. But RequestException is also a super class of BadResponseException. RequestException will be thrown for not only 400 and 500 errors but network errors and infinite redirects too. So let's say you request the page below but your network is playing up and your catch is only expecting a BadResponseException. Well your application will throw an error.
It's better in this case to expect RequestException and check for a response.
try {
$client->get('http://123123123.com')
} catch (RequestException $e) {
// If there are network errors, we need to ensure the application doesn't crash.
// if $e->hasResponse is not null we can attempt to get the message
// Otherwise, we'll just pass a network unavailable message.
if ($e->hasResponse()) {
$exception = (string) $e->getResponse()->getBody();
$exception = json_decode($exception);
return new JsonResponse($exception, $e->getCode());
} else {
return new JsonResponse($e->getMessage(), 503);
}
}
Step 1: Add new column with integer or numeric as per your requirement
Step 2: Populate data from varchar column to numeric column
Step 3: drop varchar column
Step 4: change new numeric column name as per old varchar column
On OSX I had same difficult, but a figure out a solucition
open terminal
put 'cd /Applications/XAMPP/xamppfiles'
put 'sudo ./xampp security'
then put your root password and answer the questions
None of the above answers is currently working for me. It turns out that .scrollTo
is not as widely compatible as .scrollIntoView
.
In our App.js, in componentWillMount()
we added
this.props.history.listen((location, action) => {
setTimeout(() => { document.getElementById('root').scrollIntoView({ behavior: "smooth" }) }, 777)
})
This is the only solution that is working universally for us.
root
is the ID of our App. The "smooth" behavior doesn't work on every browser / device. The 777 timeout is a bit conservative, but we load a lot of data on every page, so through testing this was necessary. A shorter 237 might work for most applications.
To make it easier for yourself you could also create an actionfilterattribute
public class AllowJsonGetAttribute : ActionFilterAttribute
{
public override void OnResultExecuting(ResultExecutingContext filterContext)
{
var jsonResult = filterContext.Result as JsonResult;
if (jsonResult == null)
throw new ArgumentException("Action does not return a JsonResult,
attribute AllowJsonGet is not allowed");
jsonResult.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
base.OnResultExecuting(filterContext);
}
}
and use it on your action
[AllowJsonGet]
public JsonResult MyAjaxAction()
{
return Json("this is my test");
}
uint16_t
is guaranteed to be a unsigned integer that is 16 bits large
unsigned short int
is guaranteed to be a unsigned short integer
, where short integer
is defined by the compiler (and potentially compiler flags) you are currently using. For most compilers for x86 hardware a short integer
is 16 bits large.
Also note that per the ANSI C standard only the minimum size of 16 bits is defined, the maximum size is up to the developer of the compiler
Minimum Type Limits
Any compiler conforming to the Standard must also respect the following limits with respect to the range of values any particular type may accept. Note that these are lower limits: an implementation is free to exceed any or all of these. Note also that the minimum range for a char is dependent on whether or not a char is considered to be signed or unsigned.
Type Minimum Range
signed char -127 to +127 unsigned char 0 to 255 short int -32767 to +32767 unsigned short int 0 to 65535
Try this:
Select u.[username]
,u.[ip]
,q.[time_stamp]
From [users] As u
Inner Join (
Select [username]
,max(time_stamp) as [time_stamp]
From [users]
Group By [username]) As [q]
On u.username = q.username
And u.time_stamp = q.time_stamp
I am a beginner at ajax but I think to use this "data: {status: status, name: name}" method datatype must be set to JSON i.e
$.ajax({
type: "POST",
dataType: "json",
url: "ajax/activity_save.php",
data: {status: status, name: name},
Here is an example. Imagine that you are going to put the files and directory names (under the current folder) to an array and count its items. The script would be like;
my_array=( `ls` )
my_array_length=${#my_array[@]}
echo $my_array_length
Or, you can iterate over this array by adding the following script:
for element in "${my_array[@]}"
do
echo "${element}"
done
Please note that this is the core concept and the input is considered to be sanitized before, i.e. removing extra characters, handling empty Strings, and etc. (which is out of the topic of this thread).
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.imageView.image = [UIImage imageNamed:@"your image name here"];
button.titleLabel.text = @"your text here";
but following code will show label above and image in background
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.background.image = [UIImage imageNamed:@"your image name here"];
button.titleLabel.text = @"your text here";
There is no need to use label and button in same control because UIButton has UILabel and UIimageview properties.
If you just want the button to have different styling while the mouse is pressed you can use the :active
pseudo class.
.button:active {
}
If on the other hand you want the style to stay after clicking you will have to use javascript.
Use float() in place of int() so that your program can handle decimal points. Also, don't use next
as it's a built-in Python function, next().
Also you code as posted is missing import sys
and the definition for dead
Try using rextract. It will let you extract text using a regular expression and reformat it.
Example:
$ echo "This is 02G05 a test string 20-Jul-2012" | ./rextract '([\d]+G[\d]+)' '${1}'
2G05
SQL Server(2012) provides another way to generate script for the SQL Server databases with its objects and data. This script can be used to copy the tables’ schema and data from the source database to the destination one in our case.
SQL Scripting method is useful to generate one single script for the tables’ schema and data, including the indexes and keys. But again this method doesn’t generate the tables’ creation script in the correct order if there are relations between the tables.
SOAP uses WSDL for communication btw consumer and provider, whereas REST just uses XML or JSON to send and receive data
WSDL defines contract between client and service and is static by its nature. In case of REST contract is somewhat complicated and is defined by HTTP, URI, Media Formats and Application Specific Coordination Protocol. It's highly dynamic unlike WSDL.
SOAP doesn't return human readable result, whilst REST result is readable with is just plain XML or JSON
This is not true. Plain XML or JSON are not RESTful at all. None of them define any controls(i.e. links and link relations, method information, encoding information etc...) which is against REST as far as messages must be self contained and coordinate interaction between agent/client and service.
With links + semantic link relations clients should be able to determine what is next interaction step and follow these links and continue communication with service.
It is not necessary that messages be human readable, it's possible to use cryptic format and build perfectly valid REST applications. It doesn't matter whether message is human readable or not.
Thus, plain XML(application/xml) or JSON(application/json) are not sufficient formats for building REST applications. It's always reasonable to use subset of these generic media types which have strong semantic meaning and offer enough control information(links etc...) to coordinate interactions between client and server.
REST is over only HTTP
Not true, HTTP is most widely used and when we talk about REST web services we just assume HTTP. HTTP defines interface with it's methods(GET, POST, PUT, DELETE, PATCH etc) and various headers which can be used uniformly for interacting with resources. This uniformity can be achieved with other protocols as well.
P.S. Very simple, yet very interesting explanation of REST: http://www.looah.com/source/view/2284
Modules are by no means deprecated and are used heavily in the VB language. It's the only way for instance to implement an extension method in VB.Net.
There is one huge difference between Modules and Classes with Static Members. Any method defined on a Module is globally accessible as long as the Module is available in the current namespace. In effect a Module allows you to define global methods. This is something that a class with only shared members cannot do.
Here's a quick example that I use a lot when writing VB code that interops with raw COM interfaces.
Module Interop
Public Function Succeeded(ByVal hr as Integer) As Boolean
...
End Function
Public Function Failed(ByVal hr As Integer) As Boolean
...
End Function
End Module
Class SomeClass
Sub Foo()
Dim hr = CallSomeHrMethod()
if Succeeded(hr) then
..
End If
End Sub
End Class
I've wrote a small extension to do so.
Since you are creating the page using C# you may want to implement this:
https://github.com/felix-d-git/DesktopAppLink
Basically u are creating some registry entries to parse the links you click in your html page.
The browser will then ask to open the specified app.
C#:
DesktopAppLink.CreateLink("applink.sample", "\"<path to exe>\"", "");
HTML:
<a href="applink.sample:">Run Desktop App</a>
Result:
Above answers are in python2. So for python 3 users I am giving this answer. You can use the bellow code:
import pandas as pd
fields = ['star_name', 'ra']
df = pd.read_csv('data.csv', skipinitialspace=True, usecols=fields)
# See the keys
print(df.keys())
# See content in 'star_name'
print(df.star_name)
$("#elementID").html("another string");
and(re.search("bla_bla_pattern", str_item, re.IGNORECASE) == None)
is working.
Capitalization matters as well! Inside my directive, I tried specifying:
templateUrl: 'Views/mytemplate'
and got the "more than once" warning. The warning disappeared when I changed it to:
templateUrl: 'views/mytemplate'
Correct me, but I think this happened because page that I placed the directive on was under "views" and not "Views" in the route config function.
This error happens because your list lstpp
is empty (Nothing at index 0). So either there is a bug in your getResult()
function, or the empty list is normal and you need to handle this case (By checking the size of the list before, or catching the exception).
If you need to run a full repair, use the repairpath
option. Point it to a disk with more available space.
For example, on my Mac I've used:
mongod --config /usr/local/etc/mongod.conf --repair --repairpath /Volumes/X/mongo_repair
Update: Per MongoDB Core Server Ticket 4266, you may need to add --nojournal
to avoid an error:
mongod --config /usr/local/etc/mongod.conf --repair --repairpath /Volumes/X/mongo_repair --nojournal
this is what I use for a cross-platform code:
#ifdef _WIN32
#include <Windows.h>
#else
#include <unistd.h>
#endif
int main()
{
pollingDelay = 100
//do stuff
//sleep:
#ifdef _WIN32
Sleep(pollingDelay);
#else
usleep(pollingDelay*1000); /* sleep for 100 milliSeconds */
#endif
//do stuff again
return 0;
}
You can select a code snippet and use right click menu to choose the action "Execute Selection in console".
Have you verified that there is in fact a row where Staff_Id = @PersonID? What you've posted works fine in a test script, assuming the row exists. If you comment out the insert statement, then the error is raised.
set nocount on
create table Timesheet_Hours (Staff_Id int, BookedHours int, Posted_Flag bit)
insert into Timesheet_Hours (Staff_Id, BookedHours, Posted_Flag) values (1, 5.5, 0)
declare @PersonID int
set @PersonID = 1
IF EXISTS
(
SELECT 1
FROM Timesheet_Hours
WHERE Posted_Flag = 1
AND Staff_Id = @PersonID
)
BEGIN
RAISERROR('Timesheets have already been posted!', 16, 1)
ROLLBACK TRAN
END
ELSE
IF NOT EXISTS
(
SELECT 1
FROM Timesheet_Hours
WHERE Staff_Id = @PersonID
)
BEGIN
RAISERROR('Default list has not been loaded!', 16, 1)
ROLLBACK TRAN
END
ELSE
print 'No problems here'
drop table Timesheet_Hours
No, and the fact that you want to seems like a bad idea. Do you really need a default constructor like this?
You can display all image from a folder using simple php script. Suppose folder name “images” and put some image in this folder and then use any text editor and paste this code and run this script. This is php code
<?php
$files = glob("images/*.*");
for ($i=0; $i<count($files); $i++)
{
$image = $files[$i];
$supported_file = array(
'gif',
'jpg',
'jpeg',
'png'
);
$ext = strtolower(pathinfo($image, PATHINFO_EXTENSION));
if (in_array($ext, $supported_file)) {
echo basename($image)."<br />"; // show only image name if you want to show full path then use this code // echo $image."<br />";
echo '<img src="'.$image .'" alt="Random image" />'."<br /><br />";
} else {
continue;
}
}
?>
if you do not check image type then use this code
<?php
$files = glob("images/*.*");
for ($i = 0; $i < count($files); $i++) {
$image = $files[$i];
echo basename($image) . "<br />"; // show only image name if you want to show full path then use this code // echo $image."<br />";
echo '<img src="' . $image . '" alt="Random image" />' . "<br /><br />";
}
?>
I've never seen any practical use of this, but you should probably consider DOM stylesheets. However, I honestly think that's overkill.
If you simply want to get the width and height of an element, irrespective of where the dimensions are being applied from, just use element.offsetWidth
and element.offsetHeight
.
I got similar error (org.aspectj.apache.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 15) while using aspectj 1.8.13. Solution was to align all compilation into jdk 8 and being careful not to put aspectj library's (1.6.13 for instance) other versions to buildpath/classpath.
Whats about just make a clone of it?
git clone --mirror other/repo.git
Every repository is a backup of its remote.
If you want to set the same value on a collection of rows, you can use the update() method combined with any query term to update all rows in one query:
some_list = ModelClass.objects.filter(some condition).values('id')
ModelClass.objects.filter(pk__in=some_list).update(foo=bar)
If you want to update a collection of rows with different values depending on some condition, you can in best case batch the updates according to values. Let's say you have 1000 rows where you want to set a column to one of X values, then you could prepare the batches beforehand and then only run X update-queries (each essentially having the form of the first example above) + the initial SELECT-query.
If every row requires a unique value there is no way to avoid one query per update. Perhaps look into other architectures like CQRS/Event sourcing if you need performance in this latter case.
You simply need to upgrade your Tomcat version, to Tomcat 8.0.xx. Java8 <-> Tomcat8
This is the configuration that I have been using and it has always worked out well
The ugly truth of the matter is that if you are asking this question you will probably not be able to design and implement a secure system.
Let me illustrate my point: Imagine you are building a web application and you need to store some session data. You could assign each user a session ID and store the session data on the server in a hash map mapping session ID to session data. But then you have to deal with this pesky state on the server and if at some point you need more than one server things will get messy. So instead you have the idea to store the session data in a cookie on the client side. You will encrypt it of course so the user cannot read and manipulate the data. So what mode should you use? Coming here you read the top answer (sorry for singling you out myforwik). The first one covered - ECB - is not for you, you want to encrypt more than one block, the next one - CBC - sounds good and you don't need the parallelism of CTR, you don't need random access, so no XTS and patents are a PITA, so no OCB. Using your crypto library you realize that you need some padding because you can only encrypt multiples of the block size. You choose PKCS7 because it was defined in some serious cryptography standards. After reading somewhere that CBC is provably secure if used with a random IV and a secure block cipher, you rest at ease even though you are storing your sensitive data on the client side.
Years later after your service has indeed grown to significant size, an IT security specialist contacts you in a responsible disclosure. She's telling you that she can decrypt all your cookies using a padding oracle attack, because your code produces an error page if the padding is somehow broken.
This is not a hypothetical scenario: Microsoft had this exact flaw in ASP.NET until a few years ago.
The problem is there are a lot of pitfalls regarding cryptography and it is extremely easy to build a system that looks secure for the layman but is trivial to break for a knowledgeable attacker.
For live connections use TLS (be sure to check the hostname of the certificate and the issuer chain). If you can't use TLS, look for the highest level API your system has to offer for your task and be sure you understand the guarantees it offers and more important what it does not guarantee. For the example above a framework like Play offers client side storage facilities, it does not invalidate the stored data after some time, though, and if you changed the client side state, an attacker can restore a previous state without you noticing.
If there is no high level abstraction available use a high level crypto library. A prominent example is NaCl and a portable implementation with many language bindings is Sodium. Using such a library you do not have to care about encryption modes etc. but you have to be even more careful about the usage details than with a higher level abstraction, like never using a nonce twice. For custom protocol building (say you want something like TLS, but not over TCP or UDP) there are frameworks like Noise and associated implementations that do most of the heavy lifting for you, but their flexibility also means there is a lot of room for error, if you don't understand in depth what all the components do.
If for some reason you cannot use a high level crypto library, for example because you need to interact with existing system in a specific way, there is no way around educating yourself thoroughly. I recommend reading Cryptography Engineering by Ferguson, Kohno and Schneier. Please don't fool yourself into believing you can build a secure system without the necessary background. Cryptography is extremely subtle and it's nigh impossible to test the security of a system.
To prevent padding oracle attacks and changes to the ciphertext, one can compute a message authentication code (MAC) on the ciphertext and only decrypt it if it has not been tampered with. This is called encrypt-then-mac and should be preferred to any other order. Except for very few use cases authenticity is as important as confidentiality (the latter of which is the aim of encryption). Authenticated encryption schemes (with associated data (AEAD)) combine the two part process of encryption and authentication into one block cipher mode that also produces an authentication tag in the process. In most cases this results in speed improvement.
Considering the importance of authentication I would recommend the following two block cipher modes for most use cases (except for disk encryption purposes): If the data is authenticated by an asymmetric signature use CBC, otherwise use GCM.
As already said, the easiest way is to use querystring.
But if you cannot, because of security reason, you should consider using cookies.
Please place this in the head of your Page(s) if the "body" needs the use of 1 and the same font:
<style type="text/css">
body {font-family:FONT-NAME ;
}
</style>
Everything between the tags <body>
and </body>
will have the same font
You don't have any example code but I assume you want to do something like this?
@View({
directives: [NgClass],
styles: [`
.${TodoModel.COMPLETED} {
text-decoration: line-through;
}
.${TodoModel.STARTED} {
color: green;
}
`],
template: `<div>
<span [ng-class]="todo.status" >{{todo.title}}</span>
<button (click)="todo.toggle()" >Toggle status</button>
</div>`
})
You assign ng-class
to a variable which is dynamic (a property of a model called TodoModel
as you can guess).
todo.toggle()
is changing the value of todo.status
and there for the class of the input is changing.
This is an example for class name but actually you could do the same think for css properties.
I hope this is what you meant.
This example is taken for the great egghead tutorial here.
UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
btn.frame = CGRectMake(0, 0, 150, 44);
[btn setBackgroundImage:[UIImage imageNamed:@"buttonimage.png"]
forState:UIControlStateNormal];
[btn addTarget:self
action:@selector(btnSendComment_pressed:)
forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
For 2.3 seconds you should do:
System.Threading.Thread.Sleep(2300);
It depends on how precise you want the comparison to be. If you want to compare for exactly the same number, then just go with ==. (You almost never want to do this unless you actually want exactly the same number.) On any decent platform you can also do the following:
diff= a - b; return fabs(diff)<EPSILON;
as fabs
tends to be pretty fast. By pretty fast I mean it is basically a bitwise AND, so it better be fast.
And integer tricks for comparing doubles and floats are nice but tend to make it more difficult for the various CPU pipelines to handle effectively. And it's definitely not faster on certain in-order architectures these days due to using the stack as a temporary storage area for values that are being used frequently. (Load-hit-store for those who care.)
You could do:
brew reinstall php55-imagick
Where php55 is your PHP version.
Using a terminal command i.e. "clear", in a script called from cron (no terminal) will trigger this error message. In your particular script, the smbmount command expects a terminal in which case the work-arounds above are appropriate.
Use Sessions.
Page1:
session_start();
$_SESSION['message'] = "Some message"
Page2:
session_start();
var_dump($_SESSION['message']);
SharpSSH should do the job. http://www.codeproject.com/Articles/11966/sharpSsh-A-Secure-Shell-SSH-library-for-NET
You can ping an address that doesn't exist and specify the desired timeout:
ping 192.0.2.2 -n 1 -w 10000 > nul
And since the address does not exist, it'll wait 10,000 ms (10 seconds) and return.
-w 10000
part specifies the desired timeout in milliseconds.-n 1
part tells ping that it should only try once (normally it'd try 4 times).> nul
part is appended so the ping command doesn't output anything to screen.You can easily make a sleep command yourself by creating a sleep.bat somewhere in your PATH and using the above technique:
rem SLEEP.BAT - sleeps by the supplied number of seconds
@ping 192.0.2.2 -n 1 -w %1000 > nul
NOTE (September 2002): The 192.0.2.x address is reserved as per RFC 3330 so it definitely will not exist in the real world. Quoting from the spec:
192.0.2.0/24 - This block is assigned as "TEST-NET" for use in documentation and example code. It is often used in conjunction with domain names example.com or example.net in vendor and protocol documentation. Addresses within this block should not appear on the public Internet.
According to the documentation: https://jinja.palletsprojects.com/en/2.10.x/templates/#line-statements you may use multi-line statements as long as the code has parens/brackets around it. Example:
{% if ( (foo == 'foo' or bar == 'bar') and
(fooo == 'fooo' or baar == 'baar') ) %}
<li>some text</li>
{% endif %}
Edit: Using line_statement_prefix = '#'
* the code would look like this:
# if ( (foo == 'foo' or bar == 'bar') and
(fooo == 'fooo' or baar == 'baar') )
<li>some text</li>
# endif
*Here's an example of how you'd specify the line_statement_prefix
in the Environment
:
from jinja2 import Environment, PackageLoader, select_autoescape
env = Environment(
loader=PackageLoader('yourapplication', 'templates'),
autoescape=select_autoescape(['html', 'xml']),
line_statement_prefix='#'
)
Or using Flask:
from flask import Flask
app = Flask(__name__, instance_relative_config=True, static_folder='static')
app.jinja_env.filters['zip'] = zip
app.jinja_env.line_statement_prefix = '#'
When you have repeated notifications at future, you do not want to cancel those notifications, you can clear the item in notification center by:
func clearNotificationCenter() {
UIApplication.sharedApplication().applicationIconBadgeNumber = 1
UIApplication.sharedApplication().applicationIconBadgeNumber = 0
}
You cannot clear notification when your app is open in the foreground by calling the method below immediately after receiving local notification, otherwise you will receive tens of hundreds of notifications. Maybe because the same notification apply again, and now is the time to fire, so you keep fire, apply again, fire, apply....:
[UIApplication sharedApplication].scheduledLocalNotifications = [UIApplication sharedApplication].scheduledLocalNotifications;
I had a column(A) in a data frame with 3 values in it (yes, no, unknown). I wanted to filter only those rows which had a value "yes" for which this is the code, hope this will help you guys as well --
df <- df [(!(df$A=="no") & !(df$A=="unknown")),]
Try this;
function X (id,parameter1,parameter2,...) {
$.ajax({
url: '@Url.Action("Actionre", "controller")',+ id,
type: "Get",
data: { parameter1: parameter1, parameter2: parameter2,...}
}).done(function(result) {
your code...
});
}
So controller method would looks like :
public ActionResult ActionName(id,parameter1, parameter2,...)
{
Your Code .......
}
Here is a real quick temporary fix, at least until you reboot again but it will get rid of a persistent access. I had installed a program that works fine but for some reason, there is a point that did not install correctly in the right file. So when it cannot access the file, it pops up the access denied but instead of just one, it keeps trying to start it up so even searching for the location to stop it permanently, it will continue to pop up more and more and more every 3 seconds. To stop that from happening at least temporarily, do the following...
That will prevent the window from persistently popping up, at least until you reboot. I know that does not solve the problem but like anything, there is a process of elimination and this step here will at least make it a little less annoying.
For SOA system architecture, I use the SOACP Visio stencil. It provides the symbols that are used in Thomas Erl's SOA book series.
I use the Visio Network and Database stencils to model most other requirements.
Use substring
String strOut = "abcdefghijklmnopqrtuvwxyz"
String result = strOut.substring(0, 8) + "...";// count start in 0 and 8 is excluded
System.out.pritnln(result);
Note: substring(int first, int second) takes two parameters. The first is inclusive and the second is exclusive.
Try this. I set the blue box to float right, gave left and right a fixed height, and added a white border on the right of the left div. Also added rounded corners to more match your example (These won't work in ie 8 or less). I also took out the position: relative. You don't need it. Block level elements are set to position relative by default.
See it here: http://jsfiddle.net/ZSgLJ/
#left {
float: left;
width: 44%;
margin: 0;
padding: 0;
border-right: 1px solid white;
height:400px;
}
#right {
position: relative;
float: right;
width: 49%;
margin: 0;
padding: 0;
height:400px;
}
#blue_box {
background-color:blue;
border-radius: 10px;
-moz-border-radius:10px;
-webkit-border-radius: 10px;
width: 45%;
min-width: 400px;
max-width: 600px;
padding: 2%;
float: right;
}
First things first, the definition of "peak" is vague if without further specifications. For example, for the following series, would you call 5-4-5 one peak or two?
1-2-1-2-1-1-5-4-5-1-1-5-1
In this case, you'll need at least two thresholds: 1) a high threshold only above which can an extreme value register as a peak; and 2) a low threshold so that extreme values separated by small values below it will become two peaks.
Peak detection is a well-studied topic in Extreme Value Theory literature, also known as "declustering of extreme values". Its typical applications include identifying hazard events based on continuous readings of environmental variables e.g. analysing wind speed to detect storm events.
I put a jquery plugin here
VERY SHORT VERSION
$('#myDiv').css({top:'50%',left:'50%',margin:'-'+($('#myDiv').height() / 2)+'px 0 0 -'+($('#myDiv').width() / 2)+'px'});
SHORT VERSION
(function($){
$.fn.extend({
center: function () {
return this.each(function() {
var top = ($(window).height() - $(this).outerHeight()) / 2;
var left = ($(window).width() - $(this).outerWidth()) / 2;
$(this).css({position:'absolute', margin:0, top: (top > 0 ? top : 0)+'px', left: (left > 0 ? left : 0)+'px'});
});
}
});
})(jQuery);
Activated by this code :
$('#mainDiv').center();
PLUGIN VERSION
(function($){
$.fn.extend({
center: function (options) {
var options = $.extend({ // Default values
inside:window, // element, center into window
transition: 0, // millisecond, transition time
minX:0, // pixel, minimum left element value
minY:0, // pixel, minimum top element value
withScrolling:true, // booleen, take care of the scrollbar (scrollTop)
vertical:true, // booleen, center vertical
horizontal:true // booleen, center horizontal
}, options);
return this.each(function() {
var props = {position:'absolute'};
if (options.vertical) {
var top = ($(options.inside).height() - $(this).outerHeight()) / 2;
if (options.withScrolling) top += $(options.inside).scrollTop() || 0;
top = (top > options.minY ? top : options.minY);
$.extend(props, {top: top+'px'});
}
if (options.horizontal) {
var left = ($(options.inside).width() - $(this).outerWidth()) / 2;
if (options.withScrolling) left += $(options.inside).scrollLeft() || 0;
left = (left > options.minX ? left : options.minX);
$.extend(props, {left: left+'px'});
}
if (options.transition > 0) $(this).animate(props, options.transition);
else $(this).css(props);
return $(this);
});
}
});
})(jQuery);
Activated by this code :
$(document).ready(function(){
$('#mainDiv').center();
$(window).bind('resize', function() {
$('#mainDiv').center({transition:300});
});
);
is that right ?
From CSS-Tricks
.center {
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%); /* Yep! */
width: 48%;
height: 59%;
}
@CarlosLanderas is correct depending on where you've placed the DIV control. The DIV by the way is not technically an ASP control, which is why you cannot find it directly like other controls. But the best way around this is to turn it into an ASP control.
Use asp:Panel instead. It is rendered into a <div>
tag anyway...
<asp:Panel id="divSubmitted" runat="server" style="text-align:center" visible="false">
<asp:Label ID="labSubmitted" runat="server" Text="Roll Call Submitted"></asp:Label>
</asp:Panel>
And in code behind, simply find the Panel control as per normal...
Panel DivCtl1 = (Panel)gvRollCall.FooterRow.FindControl("divSubmitted");
if (DivCtl1 != null)
DivCtl1.Visible = true;
Please note that I've used FooterRow, as my "psuedo div" is inside the footer row of a Gridview control.
Good coding!
The most straightforward and robust solution is to use command substitution, as other people wrote:
assign()
{
local x
x="Test"
echo "$x"
}
x=$(assign) # This assigns string "Test" to x
The downside is performance as this requires a separate process.
The other technique suggested in this topic, namely passing the name of a variable to assign to as an argument, has side effects, and I wouldn't recommend it in its basic form. The problem is that you will probably need some variables in the function to calculate the return value, and it may happen that the name of the variable intended to store the return value will interfere with one of them:
assign()
{
local x
x="Test"
eval "$1=\$x"
}
assign y # This assigns string "Test" to y, as expected
assign x # This will NOT assign anything to x in this scope
# because the name "x" is declared as local inside the function
You might, of course, not declare internal variables of the function as local, but you really should always do it as otherwise you may, on the other hand, accidentally overwrite an unrelated variable from the parent scope if there is one with the same name.
One possible workaround is an explicit declaration of the passed variable as global:
assign()
{
local x
eval declare -g $1
x="Test"
eval "$1=\$x"
}
If name "x" is passed as an argument, the second row of the function body will overwrite the previous local declaration. But the names themselves might still interfere, so if you intend to use the value previously stored in the passed variable prior to write the return value there, be aware that you must copy it into another local variable at the very beginning; otherwise the result will be unpredictable! Besides, this will only work in the most recent version of BASH, namely 4.2. More portable code might utilize explicit conditional constructs with the same effect:
assign()
{
if [[ $1 != x ]]; then
local x
fi
x="Test"
eval "$1=\$x"
}
Perhaps the most elegant solution is just to reserve one global name for function return values and use it consistently in every function you write.
This is because you have not included web.xml in your web project and trying to build war using maven. To resolve this error, you need to set the failOnMissingWebXml to false in pom.xml file.
For example:
<properties>
<failOnMissingWebXml>false</failOnMissingWebXml>
</properties>
Please see the blog for more details: https://ankurjain26.blogspot.in/2017/05/error-assembling-war-webxml-attribute.html
Barring the CSS solution. The fastest possible way is to hide it immediatly with a script.
<div id="hideme"></div>
<script type="text/javascript">
$("#hideme").hide();
</script>
In this case I would recommend the CSS solution by Vega. But if you need something more complex (like an animation) you can use this approach.
This has some complications (see comments below). If you want this piece of script to really run as fast as possible you can't use jQuery, use native JS only and defer loading of all other scripts.
Those are probably timestamps in seconds and not in milliseconds which is required for the java new Date(long) constructor. Just multiply them by 1000 and you should be allright.
If you've just got the iterator then that's what you'll have to do - it doesn't know how many items it's got left to iterate over, so you can't query it for that result. There are utility methods that will seem to do this efficiently (such as Iterators.size()
in Guava), but underneath they're just consuming the iterator and counting as they go, the same as in your example.
However, many iterators come from collections, which you can often query for their size. And if it's a user made class you're getting the iterator for, you could look to provide a size() method on that class.
In short, in the situation where you only have the iterator then there's no better way, but much more often than not you have access to the underlying collection or object from which you may be able to get the size directly.
If you can include files (PHP include or include via your CMS of choice) in your page, you can add the SVG code and include it into your page. This works the same as pasting the SVG source into the page, but makes the page markup cleaner.
The benefit is that you can target parts of your SVG via CSS for hover -- no javascript required.
http://codepen.io/chriscoyier/pen/evcBu
You just have to use a CSS rule like this:
#pathidorclass:hover { fill: #303 !important; }
Note that the !important
bit is necessary to override the fill color.
public class MainActivity extends FragmentActivity {
List<Overlay> mapOverlays;
GeoPoint point1, point2;
LocationManager locManager;
Drawable drawable;
Document document;
GMapV2GetRouteDirection v2GetRouteDirection;
LatLng fromPosition;
LatLng toPosition;
GoogleMap mGoogleMap;
MarkerOptions markerOptions;
Location location ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
v2GetRouteDirection = new GMapV2GetRouteDirection();
SupportMapFragment supportMapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mGoogleMap = supportMapFragment.getMap();
// Enabling MyLocation in Google Map
mGoogleMap.setMyLocationEnabled(true);
mGoogleMap.getUiSettings().setZoomControlsEnabled(true);
mGoogleMap.getUiSettings().setCompassEnabled(true);
mGoogleMap.getUiSettings().setMyLocationButtonEnabled(true);
mGoogleMap.getUiSettings().setAllGesturesEnabled(true);
mGoogleMap.setTrafficEnabled(true);
mGoogleMap.animateCamera(CameraUpdateFactory.zoomTo(12));
markerOptions = new MarkerOptions();
fromPosition = new LatLng(11.663837, 78.147297);
toPosition = new LatLng(11.723512, 78.466287);
GetRouteTask getRoute = new GetRouteTask();
getRoute.execute();
}
/**
*
* @author VIJAYAKUMAR M
* This class Get Route on the map
*
*/
private class GetRouteTask extends AsyncTask<String, Void, String> {
private ProgressDialog Dialog;
String response = "";
@Override
protected void onPreExecute() {
Dialog = new ProgressDialog(MainActivity.this);
Dialog.setMessage("Loading route...");
Dialog.show();
}
@Override
protected String doInBackground(String... urls) {
//Get All Route values
document = v2GetRouteDirection.getDocument(fromPosition, toPosition, GMapV2GetRouteDirection.MODE_DRIVING);
response = "Success";
return response;
}
@Override
protected void onPostExecute(String result) {
mGoogleMap.clear();
if(response.equalsIgnoreCase("Success")){
ArrayList<LatLng> directionPoint = v2GetRouteDirection.getDirection(document);
PolylineOptions rectLine = new PolylineOptions().width(10).color(
Color.RED);
for (int i = 0; i < directionPoint.size(); i++) {
rectLine.add(directionPoint.get(i));
}
// Adding route on the map
mGoogleMap.addPolyline(rectLine);
markerOptions.position(toPosition);
markerOptions.draggable(true);
mGoogleMap.addMarker(markerOptions);
}
Dialog.dismiss();
}
}
@Override
protected void onStop() {
super.onStop();
finish();
}
}
Route Helper class
public class GMapV2GetRouteDirection {
public final static String MODE_DRIVING = "driving";
public final static String MODE_WALKING = "walking";
public GMapV2GetRouteDirection() { }
public Document getDocument(LatLng start, LatLng end, String mode) {
String url = "http://maps.googleapis.com/maps/api/directions/xml?"
+ "origin=" + start.latitude + "," + start.longitude
+ "&destination=" + end.latitude + "," + end.longitude
+ "&sensor=false&units=metric&mode=driving";
try {
HttpClient httpClient = new DefaultHttpClient();
HttpContext localContext = new BasicHttpContext();
HttpPost httpPost = new HttpPost(url);
HttpResponse response = httpClient.execute(httpPost, localContext);
InputStream in = response.getEntity().getContent();
DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document doc = builder.parse(in);
return doc;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
public String getDurationText (Document doc) {
NodeList nl1 = doc.getElementsByTagName("duration");
Node node1 = nl1.item(0);
NodeList nl2 = node1.getChildNodes();
Node node2 = nl2.item(getNodeIndex(nl2, "text"));
Log.i("DurationText", node2.getTextContent());
return node2.getTextContent();
}
public int getDurationValue (Document doc) {
NodeList nl1 = doc.getElementsByTagName("duration");
Node node1 = nl1.item(0);
NodeList nl2 = node1.getChildNodes();
Node node2 = nl2.item(getNodeIndex(nl2, "value"));
Log.i("DurationValue", node2.getTextContent());
return Integer.parseInt(node2.getTextContent());
}
public String getDistanceText (Document doc) {
NodeList nl1 = doc.getElementsByTagName("distance");
Node node1 = nl1.item(0);
NodeList nl2 = node1.getChildNodes();
Node node2 = nl2.item(getNodeIndex(nl2, "text"));
Log.i("DistanceText", node2.getTextContent());
return node2.getTextContent();
}
public int getDistanceValue (Document doc) {
NodeList nl1 = doc.getElementsByTagName("distance");
Node node1 = nl1.item(0);
NodeList nl2 = node1.getChildNodes();
Node node2 = nl2.item(getNodeIndex(nl2, "value"));
Log.i("DistanceValue", node2.getTextContent());
return Integer.parseInt(node2.getTextContent());
}
public String getStartAddress (Document doc) {
NodeList nl1 = doc.getElementsByTagName("start_address");
Node node1 = nl1.item(0);
Log.i("StartAddress", node1.getTextContent());
return node1.getTextContent();
}
public String getEndAddress (Document doc) {
NodeList nl1 = doc.getElementsByTagName("end_address");
Node node1 = nl1.item(0);
Log.i("StartAddress", node1.getTextContent());
return node1.getTextContent();
}
public String getCopyRights (Document doc) {
NodeList nl1 = doc.getElementsByTagName("copyrights");
Node node1 = nl1.item(0);
Log.i("CopyRights", node1.getTextContent());
return node1.getTextContent();
}
public ArrayList<LatLng> getDirection (Document doc) {
NodeList nl1, nl2, nl3;
ArrayList<LatLng> listGeopoints = new ArrayList<LatLng>();
nl1 = doc.getElementsByTagName("step");
if (nl1.getLength() > 0) {
for (int i = 0; i < nl1.getLength(); i++) {
Node node1 = nl1.item(i);
nl2 = node1.getChildNodes();
Node locationNode = nl2.item(getNodeIndex(nl2, "start_location"));
nl3 = locationNode.getChildNodes();
Node latNode = nl3.item(getNodeIndex(nl3, "lat"));
double lat = Double.parseDouble(latNode.getTextContent());
Node lngNode = nl3.item(getNodeIndex(nl3, "lng"));
double lng = Double.parseDouble(lngNode.getTextContent());
listGeopoints.add(new LatLng(lat, lng));
locationNode = nl2.item(getNodeIndex(nl2, "polyline"));
nl3 = locationNode.getChildNodes();
latNode = nl3.item(getNodeIndex(nl3, "points"));
ArrayList<LatLng> arr = decodePoly(latNode.getTextContent());
for(int j = 0 ; j < arr.size() ; j++) {
listGeopoints.add(new LatLng(arr.get(j).latitude, arr.get(j).longitude));
}
locationNode = nl2.item(getNodeIndex(nl2, "end_location"));
nl3 = locationNode.getChildNodes();
latNode = nl3.item(getNodeIndex(nl3, "lat"));
lat = Double.parseDouble(latNode.getTextContent());
lngNode = nl3.item(getNodeIndex(nl3, "lng"));
lng = Double.parseDouble(lngNode.getTextContent());
listGeopoints.add(new LatLng(lat, lng));
}
}
return listGeopoints;
}
private int getNodeIndex(NodeList nl, String nodename) {
for(int i = 0 ; i < nl.getLength() ; i++) {
if(nl.item(i).getNodeName().equals(nodename))
return i;
}
return -1;
}
private ArrayList<LatLng> decodePoly(String encoded) {
ArrayList<LatLng> poly = new ArrayList<LatLng>();
int index = 0, len = encoded.length();
int lat = 0, lng = 0;
while (index < len) {
int b, shift = 0, result = 0;
do {
b = encoded.charAt(index++) - 63;
result |= (b & 0x1f) << shift;
shift += 5;
} while (b >= 0x20);
int dlat = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
lat += dlat;
shift = 0;
result = 0;
do {
b = encoded.charAt(index++) - 63;
result |= (b & 0x1f) << shift;
shift += 5;
} while (b >= 0x20);
int dlng = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
lng += dlng;
LatLng position = new LatLng((double) lat / 1E5, (double) lng / 1E5);
poly.add(position);
}
return poly;
}
}
Another option is to use KernelReg in statsmodels:
from statsmodels.nonparametric.kernel_regression import KernelReg
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
# The third parameter specifies the type of the variable x;
# 'c' stands for continuous
kr = KernelReg(y,x,'c')
plt.plot(x, y, '+')
y_pred, y_std = kr.fit(x)
plt.plot(x, y_pred)
plt.show()
Sounds like you're trying to avoid passing a reference to this
into the method. Passing this
is way better than finding the caller through the current stack trace. Refactoring to a more OO design is even better. You shouldn't need to know the caller. Pass a callback object if necessary.
And there's yet a third option. In your onCreate() method, find all the button views that you have and save them as class data members. You can then cascade a group of if-else statements to find which is which. It's kind of messy, but it's a must if you don't know the ID of the buttons (which can be complicated if you are generating buttons in java code).
@Override
public void onClick(View v) {
if (v == m_myCards) {
Intent intent = new Intent(this, MyCards.class);
this.startActivity(intent);
}
else if (v == m_exit) {
MyAlertDialog();
}
else if (v == m_back) {
finish();
}
Another nice thing about this technique is that it's flexible and quick (no having to parse IDs). The bad thing is that you need to keep the widgets in memory.
Don't know which method is better.
You can't directly edit your path to execute of a service. For that you can use sc command,
SC CONFIG ServiceName binPath= "Path of your file"
Eg:
sc config MongoDB binPath="I:\Programming\MongoDB\MongoDB\bin\mongod.exe --config I:\Programming\MongoDB\MongoDB\bin\mongod.cfg --service"
Erland Sommarskog has maintained the authoritative answer to this question for the last 16 years: Arrays and Lists in SQL Server.
There are at least a dozen ways to pass an array or list to a query; each has their own unique pros and cons.
I really can't recommend enough to read the article to learn about the tradeoffs among all these options.
Also, consider GForge.
One possible solution which works for me:
Bravo!
In VS 2015
MVC
, you may need to add the reference in the reference manager.The git.exe from Github for windows is located in a path like C:\Users\<username>\AppData\Local\GitHub\PortableGit_<numbersandletters>\bin\git.exe
1 You have to replace <username>
and <numbersandletters>
to the actual situation on your system.
In Android Studio you can specify the path to the Git executable at File->Settings...->Version Control->Git->Path to Git executable
. Here you have to include the actual executable name. As an example, in my case the actual path is: C:\Users\dennis\AppData\Local\GitHub\PortableGit_69703d1db91577f4c666e767a6ca5ec50a48d243\bin\git.exe
Edit: Last git update has put the git.exe file in cmd\ folder instead of bin\ . so now the actual path will be as suggested in the comment below by al3xAndr3w.
C:\Users\<username>\AppData\Local\GitHub\PortableGit_<numbersandletters>\cmd\git.exe
Somewhere in your initialisation put this code.
Array.prototype.contains = function contains(obj) {
for (var i = 0; i < this.length; i++) {
if (this[i] === obj) {
return true;
}
}
return false;
};
Then, you can use it this way:
<li ng-class="{approved: selectedForApproval.contains(jobSet)}"></li>
Well, the solution depends on the type of problem, I use the javascript animate method for the button click. and I use codes from bellow links for the navbar
https://css-tricks.com/snippets/jquery/smooth-scrolling/
$(document).ready(function () {
$(".js--scroll-to-plans").click(function () {
$("body,html").animate(
{
scrollTop: $(".js--section-plans").offset().top,
},
1000
);
return false;
});
$(".js--scroll-to-start").click(function () {
$("body,html").animate(
{
scrollTop: $(".js--section-features").offset().top,
},
1000
);
return false;
});
$('a[href*="#"]')
// Remove links that don't actually link to anything
.not('[href="#"]')
.not('[href="#0"]')
.click(function(event) {
// On-page links
if (
location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '')
&&
location.hostname == this.hostname
) {
// Figure out element to scroll to
var target = $(this.hash);
target = target.length ? target : $('[name=' + this.hash.slice(1) + ']');
// Does a scroll target exist?
if (target.length) {
// Only prevent default if animation is actually gonna happen
event.preventDefault();
$('html, body').animate({
scrollTop: target.offset().top
}, 1000, function() {
// Callback after animation
// Must change focus!
var $target = $(target);
$target.focus();
if ($target.is(":focus")) { // Checking if the target was focused
return false;
} else {
$target.attr('tabindex','-1'); // Adding tabindex for elements not focusable
$target.focus(); // Set focus again
};
});
}
}
});
});
Since setTextAppearance(resId)
is only available for API 23 and above, use:
TextViewCompat.setTextAppearance(textViewGoesHere, resId)
This method is internally implemented as follows:
public static void setTextAppearance(@NonNull TextView textView, @StyleRes int resId) {
if (Build.VERSION.SDK_INT >= 23) {
textView.setTextAppearance(resId);
} else {
textView.setTextAppearance(textView.getContext(), resId);
}
}
is there some other clause in the language specification that this exploits?
Yes, see 12.8 §34 and §35:
When certain criteria are met, an implementation is allowed to omit the copy/move construction of a class object [...] This elision of copy/move operations, called copy elision, is permitted [...] in a return statement in a function with a class return type, when the expression is the name of a non-volatile automatic object with the same cv-unqualified type as the function return type [...]
When the criteria for elision of a copy operation are met and the object to be copied is designated by an lvalue, overload resolution to select the constructor for the copy is first performed as if the object were designated by an rvalue.
Just wanted to add one more point that returning by value should be the default choice here because a named value in the return statement in the worst case, i.e. without elisions in C++11, C++14 and C++17 is treated as an rvalue. So for example the following function compiles with the -fno-elide-constructors
flag
std::unique_ptr<int> get_unique() {
auto ptr = std::unique_ptr<int>{new int{2}}; // <- 1
return ptr; // <- 2, moved into the to be returned unique_ptr
}
...
auto int_uptr = get_unique(); // <- 3
With the flag set on compilation there are two moves (1 and 2) happening in this function and then one move later on (3).
As stated in the relevant RxJS documentation, the .subscribe()
method can take a third argument that is called on completion if there are no errors.
For reference:
[onNext]
(Function
): Function to invoke for each element in the observable sequence.[onError]
(Function
): Function to invoke upon exceptional termination of the observable sequence.[onCompleted]
(Function
): Function to invoke upon graceful termination of the observable sequence.
Therefore you can handle your routing logic in the onCompleted
callback since it will be called upon graceful termination (which implies that there won't be any errors when it is called).
this.httpService.makeRequest()
.subscribe(
result => {
// Handle result
console.log(result)
},
error => {
this.errors = error;
},
() => {
// 'onCompleted' callback.
// No errors, route to new page here
}
);
As a side note, there is also a .finally()
method which is called on completion regardless of the success/failure of the call. This may be helpful in scenarios where you always want to execute certain logic after an HTTP request regardless of the result (i.e., for logging purposes or for some UI interaction such as showing a modal).
Rx.Observable.prototype.finally(action)
Invokes a specified action after the source observable sequence terminates gracefully or exceptionally.
For instance, here is a basic example:
import { Observable } from 'rxjs/Rx';
import 'rxjs/add/operator/finally';
// ...
this.httpService.getRequest()
.finally(() => {
// Execute after graceful or exceptionally termination
console.log('Handle logging logic...');
})
.subscribe (
result => {
// Handle result
console.log(result)
},
error => {
this.errors = error;
},
() => {
// No errors, route to new page
}
);
use the following from mysql command prompt-
source \\home\\user\\Desktop\\test.sql;
Use no quotation. Even if the path contains space(' ') use no quotation at all.
I have to say, if you don't want to change anything in package.json
file, try to update your Node.js version to latest. (currently 12.13.1 LTS)
A simple method of creating the service, adding headers and reading the JSON response,
private static void WebRequest()
{
const string WEBSERVICE_URL = "<<Web Service URL>>";
try
{
var webRequest = System.Net.WebRequest.Create(WEBSERVICE_URL);
if (webRequest != null)
{
webRequest.Method = "GET";
webRequest.Timeout = 20000;
webRequest.ContentType = "application/json";
webRequest.Headers.Add("Authorization", "Basic dcmGV25hZFzc3VudDM6cGzdCdvQ=");
using (System.IO.Stream s = webRequest.GetResponse().GetResponseStream())
{
using (System.IO.StreamReader sr = new System.IO.StreamReader(s))
{
var jsonResponse = sr.ReadToEnd();
Console.WriteLine(String.Format("Response: {0}", jsonResponse));
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
This is simple and works for me very well
add this inside onCreate() method
getSupportActionBar().setHomeButtonEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
add this outside oncreate() method
@Override
public boolean onOptionsItemSelected(MenuItem item) {
onBackPressed();
return true;
}
MySQL has discontinued drop database command from mysql client shell. Need to use mysqladmin to drop a database.
Just to make this thread more complete i am adding my version of answer:
What i wanted to achieve: The surface view shouldn't be stretched, and it should cover the whole screen, Moreover, there was only a landscape mode in my app.
Solution:
The solution is an extremely small extension to F1sher's solution:
=> First step is to integrate F1sher's solution.
=> Now, there might arise a scenario in F1sher's solution when the surface view doesn't covers the whole screen, The solution is to make the surface view greater than the screen dimensions so that it covers the whole screen, for that:
size = getOptimalPreviewSize(mCamera.getParameters().getSupportedPreviewSizes(), screenWidth, screenHeight);
Camera.Parameters parameters = mCamera.getParameters();
parameters.setPreviewSize(size.width, size.height);
mCamera.setParameters(parameters);
double screenRatio = (double) screenHeight / screenWidth;
double previewRatio = (double) size.height / size.width;
if (previewRatio > screenRatio) /*if preview ratio is greater than screen ratio then we will have to recalculate the surface height while keeping the surface width equal to the screen width*/
{
RelativeLayout.LayoutParams params1 = new RelativeLayout.LayoutParams(screenWidth, (int) (screenWidth * previewRatio));
params1.addRule(RelativeLayout.CENTER_IN_PARENT);
flPreview.setLayoutParams(params1);
flPreview.setClipChildren(false);
LayoutParams surfaceParams = new LayoutParams(screenWidth, (int) (screenWidth * previewRatio));
surfaceParams.gravity = Gravity.CENTER;
mPreview.setLayoutParams(surfaceParams);
}
else /*if preview ratio is smaller than screen ratio then we will have to recalculate the surface width while keeping the surface height equal to the screen height*/
{
RelativeLayout.LayoutParams params1 = new RelativeLayout.LayoutParams((int) ((double) screenHeight / previewRatio), screenHeight);
params1.addRule(RelativeLayout.CENTER_IN_PARENT);
flPreview.setLayoutParams(params1);
flPreview.setClipChildren(false);
LayoutParams surfaceParams = new LayoutParams((int) ((double) screenHeight / previewRatio), screenHeight);
surfaceParams.gravity = Gravity.CENTER;
mPreview.setLayoutParams(surfaceParams);
}
flPreview.addView(mPreview);
/* The TopMost layout used is the RelativeLayout, flPreview is the FrameLayout in which Surface View is added, mPreview is an instance of a class which extends SurfaceView */
The answer of this question depends on the number of items and their size and your budget. Depends on that we have following 3 cases:
1- The number of items and size of items in the table are not very much. then as Steffen Opel said you can Use Query rather than Scan to retrieve all items for user_id and then loop over all returned items and either facilitate DeleteItem
or BatchWriteItem
. But keep in mind you may burn a lot of throughput capacity here. For example, consider a situation where you need delete 1000 items from a DynamoDB table. Assume that each item is 1 KB in size, resulting in Around 1MB of data. This bulk-deleting task will require a total of 2000 write capacity units for query and delete. To perform this data load within 10 seconds (which is not even considered as fast in some applications), you would need to set the provisioned write throughput of the table to 200 write capacity units. As you can see its doable to use this way if its for less number of items or small size items.
2- We have a lot of items or very large items in the table and we can store them according to the time into different tables. Then as jonathan Said you can just delete the table. this is much better but I don't think it is matched with your case. As you want to delete all of users data no matter what is the time of creation of logs, so in this case you can't delete a particular table. if you wanna have a separate table for each user then I guess if number of users are high then its so expensive and it is not practical for your case.
3- If you have a lot of data and you can't divide your hot and cold data into different tables and you need to do large scale delete frequently then unfortunately DynamoDB is not a good option for you at all. It may become more expensive or very slow(depends on your budget). In these cases I recommend to find another database for your data.
Using netbeans New Entity Classes from Database with a mysql auto_increment column, creates you an attribute with the following hibernate.hbm.xml: id is auto increment
You can't move a mouse but can lock it. Note: that you must call requestPointerLock in click event.
Small Example:
var canvas = document.getElementById('mycanvas');
canvas.requestPointerLock = canvas.requestPointerLock || canvas.mozRequestPointerLock || canvas.webkitRequestPointerLock;
canvas.requestPointerLock();
Documentation and full code example:
https://developer.mozilla.org/en-US/docs/Web/API/Pointer_Lock_API
Oracle would be
SELECT NVL(MAX(X), 0) AS MaxX
FROM tbl
WHERE XID = 1;
export VAR=value
will set VAR to value. Enclose it in single quotes if you want spaces, like export VAR='my val'
. If you want the variable to be interpolated, use double quotes, like export VAR="$MY_OTHER_VAR"
.
Go to Product > Clean Build Folder
Maybe all fields of your POJO need Getter and Setter.
I fixed it according to this issue. reference:Spring MVC - HttpMediaTypeNotAcceptableException
And 406 is not a useful message to fix the bug. You should debug into the codes and see what the Exception is on earth.
I have made a node module to read large file asynchronously text or JSON. Tested on large files.
var fs = require('fs')
, util = require('util')
, stream = require('stream')
, es = require('event-stream');
module.exports = FileReader;
function FileReader(){
}
FileReader.prototype.read = function(pathToFile, callback){
var returnTxt = '';
var s = fs.createReadStream(pathToFile)
.pipe(es.split())
.pipe(es.mapSync(function(line){
// pause the readstream
s.pause();
//console.log('reading line: '+line);
returnTxt += line;
// resume the readstream, possibly from a callback
s.resume();
})
.on('error', function(){
console.log('Error while reading file.');
})
.on('end', function(){
console.log('Read entire file.');
callback(returnTxt);
})
);
};
FileReader.prototype.readJSON = function(pathToFile, callback){
try{
this.read(pathToFile, function(txt){callback(JSON.parse(txt));});
}
catch(err){
throw new Error('json file is not valid! '+err.stack);
}
};
Just save the file as file-reader.js, and use it like this:
var FileReader = require('./file-reader');
var fileReader = new FileReader();
fileReader.readJSON(__dirname + '/largeFile.json', function(jsonObj){/*callback logic here*/});
For port 80 (which was the original question), Daniel is exactly right. I recently moved to https
and had to switch from iptables
to a light nginx proxy managing the SSL certs. I found a useful answer along with a gist by gabrielhpugliese on how to handle that. Basically I
Created an SSL Certificate Signing Request (CSR) via OpenSSL
openssl genrsa 2048 > private-key.pem
openssl req -new -key private-key.pem -out csr.pem
Changed the location
in /etc/nginx/conf.d/example_ssl.conf
to
location / {
proxy_pass http://localhost:3000;
proxy_set_header X-Real-IP $remote_addr;
}
Formatted the cert for nginx by cat
-ing the individual certs together and linked to it in my nginx example_ssl.conf
file (and uncommented stuff, got rid of 'example' in the name,...)
ssl_certificate /etc/nginx/ssl/cert_bundle.cert;
ssl_certificate_key /etc/nginx/ssl/private-key.pem;
Hopefully that can save someone else some headaches. I'm sure there's a pure-node way of doing this, but nginx was quick and it worked.
the problem is you're trying to use regex features not supported by grep. namely, your \d
won't work. use this instead:
REGEX_DATE="^[[:digit:]]{2}[-/][[:digit:]]{2}[-/][[:digit:]]{4}$"
echo "$1" | grep -qE "${REGEX_DATE}"
echo $?
you need the -E
flag to get ERE in order to use {#}
style.
It means you are trying to implement a non-existing interface or you're extending an non-existing class.
Try to refresh your Eclipse.
If it doesn't work, it may mean that you have a reference to a JAR that is not in the build path. Check your project's classpath and verify that the jar containing the interface or the class is in it.
The ID is only guaranteed to be generated at flush time. Persisting an entity only makes it "attached" to the persistence context. So, either flush the entity manager explicitely:
em.persist(abc);
em.flush();
return abc.getId();
or return the entity itself rather than its ID. When the transaction ends, the flush will happen, and users of the entity outside of the transaction will thus see the generated ID in the entity.
@Override
public ABC addNewABC(ABC abc) {
abcDao.insertABC(abc);
return abc;
}
You can have multiple router-outlet in same template by configuring your router and providing name to your router-outlet, you can achieve this as follows.
Advantage of below approach is thats you can avoid dirty looking URL with it. eg: /home(aux:login) etc.
Assuming on load you are bootstraping appComponent.
app.component.html
<div class="layout">
<div class="page-header">
//first outlet to load required component
<router-outlet name='child1'></router-outlet>
</div>
<div class="content">
//second outlet to load required component
<router-outlet name='child2'></router-outlet>
</div>
</div>
Add following to your router.
{
path: 'home', // you can keep it empty if you do not want /home
component: 'appComponent',
children: [
{
path: '',
component: childOneComponent,
outlet: 'child1'
},
{
path: '',
component: childTwoComponent,
outlet: 'child2'
}
]
}
Now when /home is loaded appComponent will get load with allocated template, then angular router will check the route and load the children component in specified router outlet on the basis of name.
Like above you can configure your router to have multiple router-outlet in same route.
If you are sending this back to asp.net and need the data in request.form[] then you'll need to set the content type to "application/x-www-form-urlencoded; charset=utf-8"
Original post here
Secondly get rid of the Datatype, if your not expecting a return the POST will wait for about 4 minutes before failing. See here
for another answer about this type of question this is my another answer for getting count of product base on product name distinct like this sample below:
select * FROM Product
SELECT DISTINCT(Product_Name),
(SELECT COUNT(Product_Name)
from Product WHERE Product_Name = Prod.Product_Name)
as `Product_Count`
from Product as Prod
Record Count: 4; Execution Time: 2ms
In a .txt
file opened with Notepad++,
press Ctrl-F
go in the tab "Replace"
write the regex pattern \|.+
in the space Find what
and let the space Replace with blank
Then tick the choice matches newlines after the choice Regular expression
and press two times on the Replace button
var formData = new FormData; var arr = ['item1', 'item2', 'item3'];
arr.forEach(item => {
formData.append(
"myFile",item
); });
From http://support.microsoft.com/kb/262499
Example:
CREATE PROCEDURE Myproc
@parm varchar(10),
**@parm1OUT varchar(30) OUTPUT**,
**@parm2OUT varchar(30) OUTPUT**
AS
SELECT @parm1OUT='parm 1' + @parm
SELECT @parm2OUT='parm 2' + @parm
GO
DECLARE @SQLString NVARCHAR(500)
DECLARE @ParmDefinition NVARCHAR(500)
DECLARE @parmIN VARCHAR(10)
DECLARE @parmRET1 VARCHAR(30)
DECLARE @parmRET2 VARCHAR(30)
SET @parmIN=' returned'
SET @SQLString=N'EXEC Myproc @parm,
@parm1OUT OUTPUT, @parm2OUT OUTPUT'
SET @ParmDefinition=N'@parm varchar(10),
@parm1OUT varchar(30) OUTPUT,
@parm2OUT varchar(30) OUTPUT'
EXECUTE sp_executesql
@SQLString,
@ParmDefinition,
@parm=@parmIN,
@parm1OUT=@parmRET1 OUTPUT,@parm2OUT=@parmRET2 OUTPUT
SELECT @parmRET1 AS "parameter 1", @parmRET2 AS "parameter 2"
GO
DROP PROCEDURE Myproc
Hope this helps!
I am a VIMer. I can do some rare Hex edits with:
:%!xxd
to switch into hex mode
:%!xxd -r
to exit from hex mode
But I strongly recommend ht
apt-cache show ht
Package: ht
Version: 2.0.18-1
Installed-Size: 1780
Maintainer: Alexander Reichle-Schmehl <[email protected]>
Homepage: http://hte.sourceforge.net/
Note: The package is called ht
, whereas the executable is named hte
after the package was installed.
Fast way to upgrade ruby to v2.4+
brew upgrade ruby
or
sudo gem update --system
If you're still having issues with the simple approach, creating an empty bucket then Redirect all requests to another host name
under Static web hosting in properties via the console. Ensure that you have set 2 A records in route53, one for final-destination.com
and one for redirect-to.final-destination.com
. The settings for each of these will be identical, but the name will be different so it matches the names that you set for your buckets / URLs.
The data you want is in the "cols" meta-data table:
SELECT * FROM COLS WHERE COLUMN_NAME = 'id'
This one will give you a list of tables that have all of the columns you want:
select distinct
C1.TABLE_NAME
from
cols c1
inner join
cols c2
on C1.TABLE_NAME = C2.TABLE_NAME
inner join
cols c3
on C2.TABLE_NAME = C3.TABLE_NAME
inner join
cols c4
on C3.TABLE_NAME = C4.TABLE_NAME
inner join
tab t
on T.TNAME = C1.TABLE_NAME
where T.TABTYPE = 'TABLE' --could be 'VIEW' if you wanted
and upper(C1.COLUMN_NAME) like upper('%id%')
and upper(C2.COLUMN_NAME) like upper('%fname%')
and upper(C3.COLUMN_NAME) like upper('%lname%')
and upper(C4.COLUMN_NAME) like upper('%address%')
To do this in a different schema, just specify the schema in front of the table, as in
SELECT * FROM SCHEMA1.COLS WHERE COLUMN_NAME LIKE '%ID%';
If you want to combine the searches of many schemas into one output result, then you could do this:
SELECT DISTINCT
'SCHEMA1' AS SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA1.COLS
WHERE COLUMN_NAME LIKE '%ID%'
UNION
SELECT DISTINCT
'SCHEMA2' AS SCHEMA_NAME
,TABLE_NAME
FROM SCHEMA2.COLS
WHERE COLUMN_NAME LIKE '%ID%'
You can use <pre>
to display all spaces & blanks you have typed. E.g.:
<pre>
hello, this is
just an example
....
</pre>
You can truncate text based on CSS. It helps to truncate a text-based on width not fix character.
Example
CSS
.truncate {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.content {
width:100%;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
HTML
<div class="content">
<span class="truncate">Lorem Ipsum is simply dummied text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.</span>
</div>
Note: this code use full for one line not for more than one.
Ketan's Solution is best if you want to do it by Angular
Please check the proposed solution from here that uses a semaphore to determine if an existing instance is already running, works for a WPF application and can pass arguments from second instance to the first already running instance by using a TcpListener and a TcpClient:
It works also for .NET Core, not only for .NET Framework.
Question#1 - These are the only way to handle view clicks.
Question#2 -
Option#1/Option#4 - There's not much difference between option#1 and option#4. The only difference I see is in one case activity is implementing the OnClickListener, whereas, in the other case, there'd be an anonymous implementation.
Option#2 - In this method an anonymous class will be generated. This method is a bit cumborsome, as, you'd need to do it multiple times, if you have multiple buttons. For Anonymous classes, you have to be careful for handling memory leaks.
Option#3 - Though, this is a easy way. Usually, Programmers try not to use any method until they write it, and hence this method is not widely used. You'd see mostly people use Option#4. Because it is cleaner in term of code.
It is possible, they are not connected in InterfaceBuilder.
Text colour(colorWithRed:(188/255) green:(149/255) blue:(88/255))
is correct, may be mistake in connections,
backgroundcolor is used for the background colour of label and textcolor is used for property textcolor.
If the object is actually a Boolean
instance, then just cast it:
boolean di = (Boolean) someObject;
The explicit cast will do the conversion to Boolean
, and then there's the auto-unboxing to the primitive value. Or you can do that explicitly:
boolean di = ((Boolean) someObject).booleanValue();
If someObject
doesn't refer to a Boolean value though, what do you want the code to do?
With rails >= 3.0, you can simply use the placeholder
option.
f.text_field :attr, placeholder: "placeholder text"
You could do something like this:
my $data = <<END;
1) Scheme ID: abc-456-hu5t10 (High priority) *
2) Scheme ID: frt-78f-hj542w (Balanced)
3) Scheme ID: 23f-f974-nm54w (super formula run) *
END
foreach (split(/\n/,$data)) {
$_ =~ /Scheme ID: ([a-z0-9-]+)\s+\(([^)]+)\)\s*(\*)?/ || next;
my ($id,$word,$star) = ($1,$2,$3);
print "$id $word $star\n";
}
The key thing is the Regular expression:
Scheme ID: ([a-z0-9-]+)\s+\(([^)]+)\)\s*(\*)?
Which breaks up as follows.
The fixed String "Scheme ID: ":
Scheme ID:
Followed by one or more of the characters a-z, 0-9 or -. We use the brackets to capture it as $1:
([a-z0-9-]+)
Followed by one or more whitespace characters:
\s+
Followed by an opening bracket (which we escape) followed by any number of characters which aren't a close bracket, and then a closing bracket (escaped). We use unescaped brackets to capture the words as $2:
\(([^)]+)\)
Followed by some spaces any maybe a *, captured as $3:
\s*(\*)?
String filepath="/tmp/employee.csv";
FileWriter sw = new FileWriter(new File(filepath));
CSVWriter writer = new CSVWriter(sw);
writer.writeAll(allRows);
String[] header= new String[]{"ErrorMessage"};
writer.writeNext(header);
List<String[]> errorData = new ArrayList<String[]>();
for(int i=0;i<1;i++){
String[] data = new String[]{"ErrorMessage"+i};
errorData.add(data);
}
writer.writeAll(errorData);
writer.close();
[git checkout "branch_name"
]
is another way to say:
[git checkout -b branch_name origin/branch_name
]
in case "branch_name" exists only remotely.
[git checkout -b branch_name origin/branch_name
] is useful in case you have multiple remotes.
Regarding [git checkout origin 'another_branch'
] I'm not sure this is possible, AFAK you can do this using "fetch" command
-- [git fetch origin 'another_branch'
]
This kind of error can be caused by LF vs CRLF line ending mismatches, e.g. when you're looking at the patch file and you're absolutely sure it should be able to apply, but it just won't.
To test this out, if you have a patch that applies to just one file, you can try running 'unix2dos' or 'dos2unix' on just that file (try both, to see which one causes the file to change; you can get these utilities for Windows as well as Unix), then commit that change as a test commit, then try applying the patch again. If that works, that was the problem.
NB git am
applies patches as LF by default (even if the patch file contains CRLF), so if you want to apply CRLF patches to CRLF files you must use git am --keep-cr
, as per this answer.
If you compile the software in debug mode, many compilers will not inline the accessor functions of the vector. This will make the stl vector implementation much slower in circumstances where performance is an issue. It will also make the code easier to debug since you can see in the debugger how much memory was allocated.
In optimized mode, I would expect the stl vector to approach the efficiency of an array. This is since many of the vector methods are now inlined.
You can change project facet from Project --> Properties --> Project Facet --> Java --> {required JDK version}
In My Godaddy Server the following code worked
Options +ExecCGI
AddType application/x-httpd-php .php .html
AddHandler x-httpd-php5 .php .html
just posting in case anyone else has the same error...
I was using 'await' outside of an 'async' function and for whatever reason that results in a 'missing ) after argument list' error.
The solution was to make the function asynchronous
function functionName(args) {}
becomes
async function functionName(args) {}
Try Portable UTF-8:
$str = utf8_chr( 0x1000 );
$str = utf8_chr( '\u1000' );
$str = utf8_chr( 4096 );
All work exactly the same way. You can get the codepoint of a character with utf8_ord()
. Read more about Portable UTF-8.
Take a look at the autocomplete plugin. I know that it allows you to specify a delay or a minimum number of characters. Even if you don't end up using the plugin, looking through the code will give you some ideas on how to implement it yourself.
I would suggest using following
req.param('<param_name>')
req.param("") works as following
Lookup is performed in the following order:
req.params
req.body
req.query
Direct access to req.body, req.params, and req.query should be favoured for clarity - unless you truly accept input from each object.
My issue was that the encrypt's passPhrase didn't match the decrypt's passPhrase... so it threw this error .. a little misleading.
float
and double
don't store decimal places. They store binary places: float
is (assuming IEEE 754) 24 significant bits (7.22 decimal digits) and double is 53 significant bits (15.95 significant digits).
Converting from double
to float
will give you the closest possible float
, so rounding won't help you. Goining the other way may give you "noise" digits in the decimal representation.
#include <stdio.h>
int main(void) {
double orig = 12345.67;
float f = (float) orig;
printf("%.17g\n", f); // prints 12345.669921875
return 0;
}
To get a double
approximation to the nice decimal value you intended, you can write something like:
double round_to_decimal(float f) {
char buf[42];
sprintf(buf, "%.7g", f); // round to 7 decimal digits
return atof(buf);
}
Simplifying @matt's answer -
git blame -L14,15 -- <file_path>
Here you will get a blame for a lines 14 to 15
.
Since -L
option expects Range
as a param we can't get a Blame
for a single line using the -L
option`.
I am trying to compare date which are in string format like '20110930'
benchMark = datetime.datetime.strptime('20110701', "%Y%m%d")
actualDate = datetime.datetime.strptime('20110930', "%Y%m%d")
if actualDate.date() < benchMark.date():
print True
To flatten a two-dimensional array in one line:
[[1, 2], [3, 4, 5]].reduce(Function.prototype.apply.bind(Array.prototype.concat))
// => [ 1, 2, 3, 4, 5 ]
For current page - window.location.href = "Your url here";
For Parent page - window.top.location.href = "Your url here";
From HTML
<a href="http://someurl" target="_top">link</a>
For Android 2.3 this can be done with some very heavy hacking:
The root cause for the issues with Android 2.3 is that in LayoutInflater the mConstructorArgs[0] = mContext is only set during running calls to
protected void setMenuBackground(){
getLayoutInflater().setFactory( new Factory() {
@Override
public View onCreateView (final String name, final Context context, final AttributeSet attrs ) {
if ( name.equalsIgnoreCase( "com.android.internal.view.menu.IconMenuItemView" ) ) {
try { // Ask our inflater to create the view
final LayoutInflater f = getLayoutInflater();
final View[] view = new View[1]:
try {
view[0] = f.createView( name, null, attrs );
} catch (InflateException e) {
hackAndroid23(name, attrs, f, view);
}
// Kind of apply our own background
new Handler().post( new Runnable() {
public void run () {
view.setBackgroundResource( R.drawable.gray_gradient_background);
}
} );
return view;
}
catch ( InflateException e ) {
}
catch ( ClassNotFoundException e ) {
}
}
return null;
}
});
}
static void hackAndroid23(final String name,
final android.util.AttributeSet attrs, final LayoutInflater f,
final TextView[] view) {
// mConstructorArgs[0] is only non-null during a running call to inflate()
// so we make a call to inflate() and inside that call our dully XmlPullParser get's called
// and inside that it will work to call "f.createView( name, null, attrs );"!
try {
f.inflate(new XmlPullParser() {
@Override
public int next() throws XmlPullParserException, IOException {
try {
view[0] = (TextView) f.createView( name, null, attrs );
} catch (InflateException e) {
} catch (ClassNotFoundException e) {
}
throw new XmlPullParserException("exit");
}
}, null, false);
} catch (InflateException e1) {
// "exit" ignored
}
}
I tested it to work on Android 2.3 and to still work on earlier versions. If anything breaks again in later Android versions you'll simply see the default menu-style instead
You're apparently off by one day, exactly 86400 seconds. Use the number 2209161600 Not the number 2209075200 If you Google the two numbers, you'll find support for the above. I tried your formula but was always coming up 1 day different from my server. It's not obvious from the unix timestamp unless you think in unix instead of human time ;-) but if you double check then you'll see this might be correct.
To catch the error message and its code:
do $$
begin
create table yyy(a int);
create table yyy(a int); -- this will cause an error
exception when others then
raise notice 'The transaction is in an uncommittable state. '
'Transaction was rolled back';
raise notice '% %', SQLERRM, SQLSTATE;
end; $$
language 'plpgsql';
Haven't found the line number yet
UPDATE April, 16, 2019
As suggested by Diego Scaravaggi, for Postgres 9.2 and up, use GET STACKED DIAGNOSTICS:
do language plpgsql $$
declare
v_state TEXT;
v_msg TEXT;
v_detail TEXT;
v_hint TEXT;
v_context TEXT;
begin
create table yyy(a int);
create table yyy(a int); -- this will cause an error
exception when others then
get stacked diagnostics
v_state = returned_sqlstate,
v_msg = message_text,
v_detail = pg_exception_detail,
v_hint = pg_exception_hint,
v_context = pg_exception_context;
raise notice E'Got exception:
state : %
message: %
detail : %
hint : %
context: %', v_state, v_msg, v_detail, v_hint, v_context;
raise notice E'Got exception:
SQLSTATE: %
SQLERRM: %', SQLSTATE, SQLERRM;
raise notice '%', message_text; -- invalid. message_text is contextual to GET STACKED DIAGNOSTICS only
end; $$;
Result:
NOTICE: Got exception:
state : 42P07
message: relation "yyy" already exists
detail :
hint :
context: SQL statement "create table yyy(a int)"
PL/pgSQL function inline_code_block line 11 at SQL statement
NOTICE: Got exception:
SQLSTATE: 42P07
SQLERRM: relation "yyy" already exists
ERROR: column "message_text" does not exist
LINE 1: SELECT message_text
^
QUERY: SELECT message_text
CONTEXT: PL/pgSQL function inline_code_block line 33 at RAISE
SQL state: 42703
Aside from GET STACKED DIAGNOSTICS
is SQL standard-compliant, its diagnostics variables (e.g., message_text
) are contextual to GSD only. So if you have a field named message_text
in your table, there's no chance that GSD can interfere with your field's value.
Still no line number though.
To tint an image, you can use CSS3 background
to stack images and a linear-gradient
. In the example below, I use a linear-gradient
with no actual gradient. The browser treats gradients as images (I think it actually generates a bitmap and overlays it) and thus, is actually stacking multiple images.
background: linear-gradient(0deg, rgba(2,173,231,0.5), rgba(2,173,231,0.5)), url(images/mba-grid-5px-bg.png) repeat;
Will yield a graph-paper with light blue tint, if you had the png. Note that the stacking order might work in reverse to your mental model, with the first item being on top.
Excellent documentation by Mozilla, here:
https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Using_multiple_backgrounds
Tool for building the gradients:
http://www.colorzilla.com/gradient-editor/
Note - doesn't work in IE11! I'll post an update when I find out why, since its supposed to.
For the numeric wrapper types.
e.g Double.POSITVE_INFINITY
Hope this might help you.
import os
import pip
from subprocess import call, check_call
pip_check_list = ['pip', 'pip3']
pip_list = []
FNULL = open(os.devnull, 'w')
for s_pip in pip_check_list:
try:
check_call([s_pip, '-h'], stdout=FNULL)
pip_list.append(s_pip)
except FileNotFoundError:
pass
for dist in pip.get_installed_distributions():
for pip in pip_list:
call("{0} install --upgrade ".format(pip) + dist.project_name, shell=True)
I took Ramana's answer and made it pip3 friendly.
Attention Android Wear developers: "Remove Unused Resources" will delete the xml file where you declare the capability name (res/values/wear.xml) and the phone won't be able to connect to the watch. I spent hours trying to figure out this bug in my app.
You can use Random.Next(int maxValue)
:
Return: A 32-bit signed integer greater than or equal to zero, and less than maxValue; that is, the range of return values ordinarily includes zero but not maxValue. However, if maxValue equals zero, maxValue is returned.
var r = new Random();
// print random integer >= 0 and < 100
Console.WriteLine(r.Next(100));
For this case however you could use Random.Next(int minValue, int maxValue)
, like this:
// print random integer >= 1 and < 101
Console.WriteLine(r.Next(1, 101);)
// or perhaps (if you have this specific case)
Console.WriteLine(r.Next(100) + 1);
I was getting same kinda error but after copying the ojdbc14.jar into lib folder, no more exception.(copy ojdbc14.jar from somewhere and paste it into lib folder inside WebContent.)
if you work on linux OS ,there is a command line file --mimetype
:
String mimetype(file){
//1. run cmd
Object cmd=Runtime.getRuntime().exec("file --mime-type "+file);
//2 get output of cmd , then
//3. parse mimetype
if(output){return output.split(":")[1].trim(); }
return "";
}
Then
mimetype("/home/nyapp.war") // 'application/zip'
mimetype("/var/www/ggg/au.mp3") // 'audio/mp3'
Make sure you are in the project directory before running bundle install
. For example, after running rails new myproject
, you will want to cd myproject
before running bundle install
.
For people using jQuery, there is an excellent plugin for handling key events:
For capturing ?+S and Ctrl+S I'm using this:
$(window).bind('keydown.ctrl_s keydown.meta_s', function(event) {
event.preventDefault();
// Do something here
});
Suppose you have COMPANY and EMPLOYEE. COMPANY has many EMPLOYEES (i.e. EMPLOYEE has a field COMPANY_ID).
In some O/R configurations, when you have a mapped Company object and go to access its Employee objects, the O/R tool will do one select for every employee, wheras if you were just doing things in straight SQL, you could select * from employees where company_id = XX
. Thus N (# of employees) plus 1 (company)
This is how the initial versions of EJB Entity Beans worked. I believe things like Hibernate have done away with this, but I'm not too sure. Most tools usually include info as to their strategy for mapping.
In my case, this message started to appear when I updated the php version to 7.4.
To solve it I had to look for the php.ini files found inside the php version folder (/etc/php/7.4/apache2/ && /etc/php/7.4/cli/) checking the lines where the extensions I could see that the extensions gd2 and intl were uncommented.
So, I tried these other ways, but there was a VERY slight irritant and that was if you keep the modal-content border radius, in FF and Chrome, there is a slight bit of white trim showing along the borders, even if you use 5px on the modal-header border radius. (standard modal-content border radius is 6px, so 5px on the modal-header border top radius covers some white).
My solution:
.modal-body
{
background-color: #FFFFFF;
}
.modal-content
{
border-radius: 6px;
-webkit-border-radius: 6px;
-moz-border-radius: 6px;
background-color: transparent;
}
.modal-footer
{
border-bottom-left-radius: 6px;
border-bottom-right-radius: 6px;
-webkit-border-bottom-left-radius: 6px;
-webkit-border-bottom-right-radius: 6px;
-moz-border-radius-bottomleft: 6px;
-moz-border-radius-bottomright: 6px;
}
.modal-header
{
border-top-left-radius: 6px;
border-top-right-radius: 6px;
-webkit-border-top-left-radius: 6px;
-webkit-border-top-right-radius: 6px;
-moz-border-radius-topleft: 6px;
-moz-border-radius-topright: 6px;
}
!! CAVEAT !!
You must then set the background colors of the modal-header, modal-content, and modal-footer. This is not bad trade-off, because it allows you to do this:
<div class="modal-header bg-primary">
<div class="modal-body bgColorWhite">
<div class="modal-footer bg-info">
EDIT
Or even better:
<div class="modal-header alert-primary">
More simple: SELECT max(id) FROM client
I am adding to the first answer.
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch ' HEAD
There will be some merge conflict from origin/master.
Your branch and 'origin/master' have diverged, and have 114 and 109 different commits each, respectively. (use "git pull" to merge the remote branch into yours)
Please run this
git reset --hard origin/master
It will throw away all my staged and unstaged changes, forget everything on my current local branch and make it exactly the same as origin/master.
Most answers suggested round
or format
. round
sometimes rounds up, and in my case I needed the value of my variable to be rounded down and not just displayed as such.
round(2.357, 2) # -> 2.36
I found the answer here: How do I round a floating point number up to a certain decimal place?
import math
v = 2.357
print(math.ceil(v*100)/100) # -> 2.36
print(math.floor(v*100)/100) # -> 2.35
or:
from math import floor, ceil
def roundDown(n, d=8):
d = int('1' + ('0' * d))
return floor(n * d) / d
def roundUp(n, d=8):
d = int('1' + ('0' * d))
return ceil(n * d) / d
Just wanted to add that if you want to debug stuff, you should compile with debug information before you debug, otherwise the debugger won't work. So, in g++ you need to do g++ -g source.cpp
. The -g
flag means that the compiler will insert debugging information into your executable, so that you can run gdb on it.
In case you don't wish to set the toolbar as the action bar, you can use this:
val toggle = ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close)
toggle.isDrawerSlideAnimationEnabled = false
toggle.isDrawerIndicatorEnabled = false
toggle.setHomeAsUpIndicator(AppCompatResources.getDrawable(this, ...))
drawer!!.addDrawerListener(toggle)
toggle.setToolbarNavigationClickListener {
setDrawerOpened(!isDrawerOpened())
}
toggle.syncState()
fun setDrawerOpened(open: Boolean) {
if (open == drawerLayout.isDrawerOpen(GravityCompat.START))
return
if (open)
drawerLayout.openDrawer(GravityCompat.START)
else drawerLayout.closeDrawer(GravityCompat.START)
}
$ catalina.bat jpda start
On Linux/Unix
$ catalina.sh jpda start
More info ---->
https://cwiki.apache.org/confluence/display/TOMCAT/Developing
Apache ant chmod (not very elegant, adding it for completeness) credit shared with @msorsky
Chmod chmod = new Chmod();
chmod.setProject(new Project());
FileSet mySet = new FileSet();
mySet.setDir(new File("/my/path"));
mySet.setIncludes("**");
chmod.addFileset(mySet);
chmod.setPerm("+w");
chmod.setType(new FileDirBoth());
chmod.execute();
Please explain why same ng-model
is used? And what value is passed through ng- model
and how it is passed? To be more specific, if I use console.log(color)
what would be the output?
You just need to return
from the main function at some point. The error message says that the function is defined to return a value but you are not returning anything.
/* .... */
if (Date1 == Date2)
fprintf (stderr , "Indicating that the first date is equal to second date.\n");
return 0;
}
This is trivial when you use SUMPRODUCT
. Por ejemplo:
=SUMPRODUCT((worksheet2!A:A=A3)*1)
You could put the above formula in cell B3, where A3 is the name you want to find in worksheet2
.
As @Alex McMillan mentioned, use state to dictate what should be rendered in the dom.
In the example below I have an input field and I want to add a second one when the user clicks the button, the onClick event handler calls handleAddSecondInput( ) which changes inputLinkClicked to true. I am using a ternary operator to check for the truthy state, which renders the second input field
class HealthConditions extends React.Component {
constructor(props) {
super(props);
this.state = {
inputLinkClicked: false
}
}
handleAddSecondInput() {
this.setState({
inputLinkClicked: true
})
}
render() {
return(
<main id="wrapper" className="" data-reset-cookie-tab>
<div id="content" role="main">
<div className="inner-block">
<H1Heading title="Tell us about any disabilities, illnesses or ongoing conditions"/>
<InputField label="Name of condition"
InputType="text"
InputId="id-condition"
InputName="condition"
/>
{
this.state.inputLinkClicked?
<InputField label=""
InputType="text"
InputId="id-condition2"
InputName="condition2"
/>
:
<div></div>
}
<button
type="button"
className="make-button-link"
data-add-button=""
href="#"
onClick={this.handleAddSecondInput}
>
Add a condition
</button>
<FormButton buttonLabel="Next"
handleSubmit={this.handleSubmit}
linkto={
this.state.illnessOrDisability === 'true' ?
"/404"
:
"/add-your-details"
}
/>
<BackLink backLink="/add-your-details" />
</div>
</div>
</main>
);
}
}
<strong>
and <em>
- unlike <b>
and <i>
- have clear purpose for web browsers for the blind.
A blind person doesn't browse the web visually, but by sound such as text readers. <strong>
and <em>
, in addition to encouraging something to be bold or italic, also convey loudness or stressing syllables respectively (OH MY! & Ooooooh Myyyyyyy!). Audio-only browsers are unpredictable when it comes to <b>
and <i>
... they may make them loud or stress them or they may not... you never can be sure unless you use <strong>
and <em>
.
First load select dropdown and then selectize it. It will work with normal $(select).val().
Just in case you need this functionality in a Java program, you might want to look at the sigar API: http://www.hyperic.com/products/sigar
Actually, this is no answer to the question, I know, but a hint so you don't have to reinvent the wheel.
My simple way:
function Timer (callback, delay) {
let callbackStartTime
let remaining = 0
this.timerId = null
this.paused = false
this.pause = () => {
this.clear()
remaining -= Date.now() - callbackStartTime
this.paused = true
}
this.resume = () => {
window.setTimeout(this.setTimeout.bind(this), remaining)
this.paused = false
}
this.setTimeout = () => {
this.clear()
this.timerId = window.setInterval(() => {
callbackStartTime = Date.now()
callback()
}, delay)
}
this.clear = () => {
window.clearInterval(this.timerId)
}
this.setTimeout()
}
How to use:
let seconds = 0_x000D_
const timer = new Timer(() => {_x000D_
seconds++_x000D_
_x000D_
console.log('seconds', seconds)_x000D_
_x000D_
if (seconds === 8) {_x000D_
timer.clear()_x000D_
_x000D_
alert('Game over!')_x000D_
}_x000D_
}, 1000)_x000D_
_x000D_
timer.pause()_x000D_
console.log('isPaused: ', timer.paused)_x000D_
_x000D_
setTimeout(() => {_x000D_
timer.resume()_x000D_
console.log('isPaused: ', timer.paused)_x000D_
}, 2500)_x000D_
_x000D_
_x000D_
function Timer (callback, delay) {_x000D_
let callbackStartTime_x000D_
let remaining = 0_x000D_
_x000D_
this.timerId = null_x000D_
this.paused = false_x000D_
_x000D_
this.pause = () => {_x000D_
this.clear()_x000D_
remaining -= Date.now() - callbackStartTime_x000D_
this.paused = true_x000D_
}_x000D_
this.resume = () => {_x000D_
window.setTimeout(this.setTimeout.bind(this), remaining)_x000D_
this.paused = false_x000D_
}_x000D_
this.setTimeout = () => {_x000D_
this.clear()_x000D_
this.timerId = window.setInterval(() => {_x000D_
callbackStartTime = Date.now()_x000D_
callback()_x000D_
}, delay)_x000D_
}_x000D_
this.clear = () => {_x000D_
window.clearInterval(this.timerId)_x000D_
}_x000D_
_x000D_
this.setTimeout()_x000D_
}
_x000D_
The code is written quickly and did not refactored, raise the rating of my answer if you want me to improve the code and give ES2015 version (classes).
You may want to read this page of the MySQL manual. How a table gets locked is dependent on what type of table it is.
MyISAM uses table locks to achieve a very high read speed, but if you have an UPDATE statement waiting, then future SELECTS will queue up behind the UPDATE.
InnoDB tables use row-level locking, and you won't have the whole table lock up behind an UPDATE. There are other kind of locking issues associated with InnoDB, but you might find it fits your needs.
Others have mentioned the relevel
command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the future you want the default behavior again), then you can use a combination of the C
(note uppercase) function to set contrasts and the contr.treatments
function with the base argument for choosing which level you want to be the baseline.
For example:
lm( Sepal.Width ~ C(Species,contr.treatment(3, base=2)), data=iris )
I am not sure what you understand by "execute from the Command line interface", but you're probably looking after the following select statement:
select * from dba_users;
or
select username from dba_users;
Actually, your question is how to write a Higher Order Component (HOC). The main goal of using HOC is preventing copy-pasting. You can write your HOC as a purely functional component or as a class here is an example:
class Child extends Component {
render() {
return (
<div>
Child
</div>
);
}
}
If you want to write your parent component as a class-based component:
class Parent extends Component {
render() {
return (
<div>
{this.props.children}
</div>
);
}
}
If you want to write your parent as a functional component:
const Parent=props=>{
return(
<div>
{props.children}
</div>
)
}
The first method is the proper approach and will do what you need. However, with the inner joins, you will only select rows from Table1
if both phone numbers exist in Table2
. You may want to do a LEFT JOIN
so that all rows from Table1
are selected. If the phone numbers don't match, then the SomeOtherField
s would be null. If you want to make sure you have at least one matching phone number you could then do WHERE t2.PhoneNumber IS NOT NULL OR t3.PhoneNumber IS NOT NULL
The second method could have a problem: what happens if Table2
has both PhoneNumber1
and PhoneNumber2
? Which row will be selected? Depending on your data, foreign keys, etc. this may or may not be a problem.
You want the following:
ALTER TABLE mytable MODIFY mycolumn VARCHAR(255);
Columns are nullable by default. As long as the column is not declared UNIQUE
or NOT NULL
, there shouldn't be any problems.
The fastest way.
Make sure you don't have ROOT app deployed, undeploy if you have one
Rename your war to ROOT.war, deploy, thats all, no configuration changes needed
CCS only
@media (max-width: 1024px) and (orientation: portrait){ /* tablet and smaller */
body:after{
position: absolute;
z-index: 9999;
width: 100%;
top: 0;
bottom: 0;
content: "";
background: #212121 url(http://i.stack.imgur.com/sValK.png) 0 0 no-repeat; /* replace with an image that tells the visitor to rotate the device to landscape mode */
background-size: 100% auto;
opacity: 0.95;
}
}
In some cases you may want to add a small piece of code to reload to page after the visitor rotated the device, so that the CSS is rendered properly:
window.onorientationchange = function() {
var orientation = window.orientation;
switch(orientation) {
case 0:
case 90:
case -90: window.location.reload();
break; }
};
See os.path module for some useful functions on pathnames. To check if an existing file is executable, use os.access(path, mode), with the os.X_OK mode.
os.X_OK
Value to include in the mode parameter of access() to determine if path can be executed.
EDIT: The suggested which()
implementations are missing one clue - using os.path.join()
to build full file names.
Add this style to your span:
position:relative;
top: 10px;
It is the directory from where you start the batch file. E.g. if your batch is in c:\dir1\dir2
and you do cd c:\dir3
, then run the batch, the current directory will be c:\dir3
.
This one is even simpler and execs no external commands.
$ PROC_NAME="JBoss"
$ PROC_STATUS="UP"
$ printf "%-.20s [%s]\n" "${PROC_NAME}................................" "$PROC_STATUS"
JBoss............... [UP]
Converting LocalDateTime to java.util.Date
LocalDateTime localDateTime = LocalDateTime.now();
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneOffset.systemDefault());
Instant instant = zonedDateTime.toInstant();
Date date = Date.from(instant);
System.out.println("Result Date is : "+date);
Using plain javascript
var isEmpty = document.getElementById('cartContent').innerHTML === "";
And if you are using jquery it can be done like
var isEmpty = $("#cartContent").html() === "";
If you want to use this in VBA:
For i = 1 To X
UserForm1.Controls("Label" & i).Caption = MySheet.Cells(i + 1, i).Value
Next
Try this one.
#/bin/bash
testpid="abc,def,ghij"
count=`echo $testpid | grep -o ',' | wc -l` # this is not a good way
count=`expr $count + 1`
while [ $count -gt 0 ] ; do
echo $testpid | cut -d ',' -f $i
count=`expr $count - 1 `
done
From the official angular documentation
// Simple GET request example :
$http.get('/someUrl').
success(function(data, status, headers, config) {
// this callback will be called asynchronously
// when the response is available
}).
error(function(data, status, headers, config) {
// called asynchronously if an error occurs
// or server returns response with an error status.
});
As you can see first parameter for error callback is data an status is second.
Correct way to remove install plug-in from Eclipse/STS :
Go to install folder of eclipse ----> plugin --> select required plugin and remove it.
Ex-
Step 1.
E:\springsource\sts-3.4.0.RELEASE\plugins
Step 2.
select and remove related plugins jars.
Here's a way with gsub
:
cs <- c("foo_bar","bar_foo","apple","beer")
gsub('.{3}$', '', cs)
# [1] "foo_" "bar_" "ap" "b"
We can use all characters as class name. Even like #
and .
Just we have to escape it with \
.
.test\.123 {
color: red;
}
.test\#123 {
color: blue;
}
.test\@123 {
color: green;
}
.test\<123 {
color: brown;
}
.test\`123 {
color: purple;
}
.test\~123 {
color: tomato;
}
_x000D_
<div class="test.123">test.123</div>
<div class="test#123">test#123</div>
<div class="test@123">test@123</div>
<div class="test<123">test<123</div>
<div class="test`123">test`123</div>
<div class="test~123">test~123</div>
_x000D_
Something like this?
public static T ConvertValue<T>(string value)
{
return (T)Convert.ChangeType(value, typeof(T));
}
You can then use it like this:
int val = ConvertValue<int>("42");
Edit:
You can even do this more generic and not rely on a string
parameter provided the type U
implements IConvertible
- this means you have to specify two type parameters though:
public static T ConvertValue<T,U>(U value) where U : IConvertible
{
return (T)Convert.ChangeType(value, typeof(T));
}
I considered catching the InvalidCastException
exception that might be raised by Convert.ChangeType()
- but what would you return in this case? default(T)
? It seems more appropriate having the caller deal with the exception.
So the issue is that UTF-8 code unit values have been stored as a sequence of 16-bit code units in a C# string
. You simply need to verify that each code unit is within the range of a byte, copy those values into bytes, and then convert the new UTF-8 byte sequence into UTF-16.
public static string DecodeFromUtf8(this string utf8String)
{
// copy the string as UTF-8 bytes.
byte[] utf8Bytes = new byte[utf8String.Length];
for (int i=0;i<utf8String.Length;++i) {
//Debug.Assert( 0 <= utf8String[i] && utf8String[i] <= 255, "the char must be in byte's range");
utf8Bytes[i] = (byte)utf8String[i];
}
return Encoding.UTF8.GetString(utf8Bytes,0,utf8Bytes.Length);
}
DecodeFromUtf8("d\u00C3\u00A9j\u00C3\u00A0"); // déjà
This is easy, however it would be best to find the root cause; the location where someone is copying UTF-8 code units into 16 bit code units. The likely culprit is somebody converting bytes into a C# string
using the wrong encoding. E.g. Encoding.Default.GetString(utf8Bytes, 0, utf8Bytes.Length)
.
Alternatively, if you're sure you know the incorrect encoding which was used to produce the string, and that incorrect encoding transformation was lossless (usually the case if the incorrect encoding is a single byte encoding), then you can simply do the inverse encoding step to get the original UTF-8 data, and then you can do the correct conversion from UTF-8 bytes:
public static string UndoEncodingMistake(string mangledString, Encoding mistake, Encoding correction)
{
// the inverse of `mistake.GetString(originalBytes);`
byte[] originalBytes = mistake.GetBytes(mangledString);
return correction.GetString(originalBytes);
}
UndoEncodingMistake("d\u00C3\u00A9j\u00C3\u00A0", Encoding(1252), Encoding.UTF8);
Try this:
window.open(url, '_blank');
This will open in new tab (if your code is synchronous and in this case it is. in other case it would open a window)
.*
Big Jump forgot about line breaks, blanks and control characters.
International postal codes are a kind of halting problem.
The registry path for Visual Studio 2008 is the same, but with 9.0 as the version number:
HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Text Editor
I know you asked for non-looping solutions, but the only solutions I can come up with probably loop internally anyway:
map(int,y)
or:
[i*1 for i in y]
or:
import numpy
y=numpy.array(y)
y*1
You could actually put a line .gitignore
into your .gitignore
file. This would cause the .gitignore
file to be ignored by git. I do not actually think this is a good idea. I think the ignore file should be version controlled and tracked. I'm just putting this out there for completeness.
@Jon's answer is great and will get you where you need to go. So why is your code printing out what it is. The answer: You're not writing out the contents of your list, but the String representation of your list itself, by an implicit call to Lists.verbList.ToString(). Object.ToString() defines the default behavior you're seeing here.
I solved a similar problem using NULLIF
function:
UPDATE table
SET col1 = NULLIF(col1, '')
NULLIF returns the first expression if the two expressions are not equal. If the expressions are equal, NULLIF returns a null value of the type of the first expression.
FYI, In Rails 4, you can use not
syntax:
Article.where.not(title: ['Rails 3', 'Rails 5'])
I don't think you can attach down into a window that you are instancing... I KNOW you can't do it if the url's are on different domains (XSS and all that jazz), but you can talk UP from that window and access elements of the parent window assuming they are on the same domain. your best bet is to attach the stylesheet at the page you are loading, and if that page isn't on the same domain, (e.g. trying to restyle some one else's page,) you won't be able to.
I had the same need & quickly patched an existing code to be able to do something like this:
if( $('.scroll').hasHandlers('mouseout') ) // could be click, or '*'...
{
... code ..
}
It works for event delegation too:
if ( $('#main').hasHandlers('click','.simple-search') ) ...
It is available here : jquery-handler-toolkit.js
To get a pure hex value this might be useful. It's based on Joe's answer:
def gethex(decimal):
return hex(decimal)[2:]
I can suggest you a simpler way,
Call this method if the view controller's status bar attributes, such as hidden/unhidden status or style, change. If you call this method within an animation block, the changes are animated along with the rest of the animation block.
It worked for me in iOS 10.1.
Objective C
[self setNeedsStatusBarAppearanceUpdate];
-(UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
}
Swift
setNeedsStatusBarAppearanceUpdate()
var preferredStatusBarStyle: UIStatusBarStyle {
return .lightContent
}
I am surprised nobody pointed this out. Anyway enjoy :)
Use a list comprehension:
res_list = [x[0] for x in rows]
Below is a demonstration:
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> [x[0] for x in rows]
[1, 3, 5]
>>>
Alternately, you could use unpacking instead of x[0]
:
res_list = [x for x,_ in rows]
Below is a demonstration:
>>> lst = [(1, 2), (3, 4), (5, 6)]
>>> [x for x,_ in lst]
[1, 3, 5]
>>>
Both methods practically do the same thing, so you can choose whichever you like.
Add this to you PHP file or main controller
header("Access-Control-Allow-Origin: http://localhost:9000");
POP UP WINDOWS IN APPLET
hi guys i was searching pop up windows in applet all over the internet but could not find answer for windows.
Although it is simple i am just helping you. Hope you will like it as it is in simpliest form. here's the code :
Filename: PopUpWindow.java
for java file and we need html file too.
For applet let us take its popup.html
CODE:
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class PopUpWindow extends Applet{
public void init(){
Button open = new Button("open window");
add(open);
Button close = new Button("close window");
add(close);
Frame f = new Frame("pupup win");
f.setSize(200,200);
open.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(!f.isShowing()) {
f.setVisible(true);
}
}
});
close.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(f.isShowing()) {
f.setVisible(false);
}
}
});
}
}
/*
<html>
<body>
<APPLET CODE="PopUpWindow" width="" height="">
</APPLET>
</body>
</html>
*/
to run:
$javac PopUpWindow.java && appletviewer popup.html
You can use Enumeration
:
Hashtable<Integer, String> table = ...
Enumeration<Integer> enumKey = table.keys();
while(enumKey.hasMoreElements()) {
Integer key = enumKey.nextElement();
String val = table.get(key);
if(key==0 && val.equals("0"))
table.remove(key);
}