I would end it with NULL
. Why? Because you can't do either of these:
array[index] == '\0'
array[index] == "\0"
The first one is comparing a char *
to a char
, which is not what you want. You would have to do this:
array[index][0] == '\0'
The second one doesn't even work. You're comparing a char *
to a char *
, yes, but this comparison is meaningless. It passes if the two pointers point to the same piece of memory. You can't use ==
to compare two strings, you have to use the strcmp()
function, because C has no built-in support for strings outside of a few (and I mean few) syntactic niceties. Whereas the following:
array[index] == NULL
Works just fine and conveys your point.
You could use the Enterprise Security API (ESAPI) library, which provides methods like encodeForXML
and encodeForXMLAttribute
. Take a look at the documentation of the Encoder interface; it also contains examples of how to create an instance of DefaultEncoder.
You can use array_merge($array1, $array2) to merge the associative array. Example:
$a1=array("red","green");
$a2=array("blue","yellow");
print_r(array_merge($a1,$a2));
Output:
Array ( [0] => red [1] => green [2] => blue [3] => yellow )
For use in scenarios where you need to set specific environment values for unit tests, you might find the following hack useful. It will change the environment variables throughout the JVM (so make sure you reset any changes after your test), but will not alter your system environment.
I found that a combination of the two dirty hacks by Edward Campbell and anonymous works best, as one of the does not work under linux, one does not work under windows 7. So to get a multiplatform evil hack I combined them:
protected static void setEnv(Map<String, String> newenv) throws Exception {
try {
Class<?> processEnvironmentClass = Class.forName("java.lang.ProcessEnvironment");
Field theEnvironmentField = processEnvironmentClass.getDeclaredField("theEnvironment");
theEnvironmentField.setAccessible(true);
Map<String, String> env = (Map<String, String>) theEnvironmentField.get(null);
env.putAll(newenv);
Field theCaseInsensitiveEnvironmentField = processEnvironmentClass.getDeclaredField("theCaseInsensitiveEnvironment");
theCaseInsensitiveEnvironmentField.setAccessible(true);
Map<String, String> cienv = (Map<String, String>) theCaseInsensitiveEnvironmentField.get(null);
cienv.putAll(newenv);
} catch (NoSuchFieldException e) {
Class[] classes = Collections.class.getDeclaredClasses();
Map<String, String> env = System.getenv();
for(Class cl : classes) {
if("java.util.Collections$UnmodifiableMap".equals(cl.getName())) {
Field field = cl.getDeclaredField("m");
field.setAccessible(true);
Object obj = field.get(env);
Map<String, String> map = (Map<String, String>) obj;
map.clear();
map.putAll(newenv);
}
}
}
}
This Works like a charm. Full credits to the two authors of these hacks.
you should add servler-api.jar file in WEB-INF/lib folder
Not directly in the way you want to write that, no. One of the design tenets of Python is "Explicit is better than implicit" (see import this
). This means that it's better to describe what you want rather than having the output format depend on some global formatting setting or something. You could of course format your code differently to make it look nicer:
print '%.2f' % var1, \
'kg =' ,'%.2f' % var2, \
'lb =' ,'%.2f' % var3, \
'gal =','%.2f' % var4, \
'l'
As apparantly no one mentioned it: you can also use the Numpy Docstring Standard. It is widely used in the scientific community.
The Napolean sphinx extension to parse Google-style docstrings (recommended in the answer of @Nathan) also supports Numpy-style docstring, and makes a short comparison of both.
And last a basic example to give an idea how it looks like:
def func(arg1, arg2):
"""Summary line.
Extended description of function.
Parameters
----------
arg1 : int
Description of arg1
arg2 : str
Description of arg2
Returns
-------
bool
Description of return value
See Also
--------
otherfunc : some related other function
Examples
--------
These are written in doctest format, and should illustrate how to
use the function.
>>> a=[1,2,3]
>>> print [x + 3 for x in a]
[4, 5, 6]
"""
return True
The title of this thread asks how a subquery can be used in an update. Here's an example of that:
update [dbName].[dbo].[MyTable]
set MyColumn = 1
where
(
select count(*)
from [dbName].[dbo].[MyTable] mt2
where
mt2.ID > [dbName].[dbo].[MyTable].ID
and mt2.Category = [dbName].[dbo].[MyTable].Category
) > 0
Here is the code you can use for every browser:
<embed src="pdfFiles/interfaces.pdf" width="600" height="500" alt="pdf" pluginspage="http://www.adobe.com/products/acrobat/readstep2.html">
Tested on firefox and chrome
Maybe you could try
List<Article> findAllByPublicationDate(Date publicationDate);
The detail could be checked in this article:
You can also use info files
to list all the sections of all the binaries loaded in process binary.
I find this to be the friendliest and most concise way to post an read JSON data:
var url = @"http://www.myapi.com/";
var request = new Request { Greeting = "Hello world!" };
var json = JsonSerializer.Serialize<Request>(request);
using (WebClient client = new WebClient())
{
var jsonResponse = client.UploadString(url, json);
var response = JsonSerializer.Deserialize<Response>(jsonResponse);
}
I'm using Microsoft's System.Text.Json
for serializing and deserializing JSON. See NuGet.
The problem is at [System.Web.Services.WebMethod]
, add [WebMethod(EnableSession = false)]
and you could get rid of page life cycle, by default EnableSession is true in Page and making page to come in life though life cycle events..
Please refer below page for more details http://msdn.microsoft.com/en-us/library/system.web.configuration.pagessection.enablesessionstate.aspx
The following script will help u to go to a process if that script exist in a specified variable,
cat > waitfor.csh
#!/bin/csh
while !( -e $1 )
sleep 10m
end
ctrl+D
here -e
is for working with files,
$1
is a shell variable,
sleep for 10 minutes
u can execute the script by ./waitfor.csh ./temp ; echo "the file exits"
Based on the answer: https://unix.stackexchange.com/a/111627
###############################################################################
# Summary: Returns the value of a variable given it's name as a string.
# Required Positional Argument:
# variable_name - The name of the variable to return the value of
# Returns: The value if variable exists; otherwise, empty string ("").
###############################################################################
get_value_of()
{
variable_name=$1
variable_value=""
if set | grep -q "^$variable_name="; then
eval variable_value="\$$variable_name"
fi
echo "$variable_value"
}
test=123
get_value_of test
# 123
test="\$(echo \"something nasty\")"
get_value_of test
# $(echo "something nasty")
Actually, the correct way of checking for 32 bit or 64 bit platform is to use the Win64 constant which is defined in all versions of VBA (16 bit, 32 bit, and 64 bit versions).
#If Win64 Then
' Win64=true, Win32=true, Win16= false
#ElseIf Win32 Then
' Win32=true, Win16=false
#Else
' Win16=true
#End If
Source: VBA help on compiler constants
Yes. Use WindowBuilder Pro (provided by Google). It supports SWT and Swing as well with multiple layouts (Group layout, MiGLayout etc.) It's integrated out of the box with Eclipse Indigo, but you can install plugin on previous versions (3.4/3.5/3.6):
If your table is quite big better not use the statement:
alter table goods add column `id` int(10) unsigned primary KEY AUTO_INCREMENT;
because it makes a copy of all data in a temporary table, alter table and then copies it back. Better do it manually. Rename your table:
rename table goods to goods_old;
create new table with primary key and all necessary indexes:
create table goods (
id int(10) unsigned not null AUTO_INCREMENT
... other columns ...
primary key (id)
);
move all data from the old table into new, disabling keys and indexes to speed up copying:
-- USE THIS FOR MyISAM TABLES:
SET UNIQUE_CHECKS=0;
ALTER TABLE goods DISABLE KEYS;
INSERT INTO goods (... your column names ...) SELECT ... your column names FROM goods_old;
ALTER TABLE goods ENABLE KEYS;
SET UNIQUE_CHECKS=1;
-- USE THIS FOR InnoDB TABLES:
SET AUTOCOMMIT = 0; SET UNIQUE_CHECKS=0; SET FOREIGN_KEY_CHECKS=0;
INSERT INTO goods (... your column names ...) SELECT ... your column names FROM goods_old;
SET FOREIGN_KEY_CHECKS=1; SET UNIQUE_CHECKS=1; COMMIT; SET AUTOCOMMIT = 1;
It takes 2 000 seconds to add PK to a table with ~200 mln rows.
FileReader r = new FileReader(file);
Use a file reader load the file and then write its contents to a string buffer.
The link above shows you an example of how to accomplish this. As other post to this answer say to load a file into memory you do not need write access as long as you do not plan on making changes to the actual file.
Recently there was a similar question on hashcode.com, and I created a jQuery plugin to deal with it. It also supports the recognition of caps lock on numbers. (On the standard German keyboard layout caps lock has effect on numbers).
You can check the latest version here: jquery.capsChecker
Even better, you can encapsule this to clear any type of controls you want in one method, like this:
public static void EstadoControles<T>(object control, bool estado, bool limpiar = false) where T : Control
{
foreach (var textEdits in ((T)control).Controls.OfType<TextEdit>()) textEdits.Enabled = estado;
foreach (var textLookUpEdits in ((T)control).Controls.OfType<LookUpEdit>()) textLookUpEdits.Enabled = estado;
if (!limpiar) return;
{
foreach (var textEdits in ((T)control).Controls.OfType<TextEdit>()) textEdits.Text = string.Empty;
foreach (var textLookUpEdits in ((T)control).Controls.OfType<LookUpEdit>()) textLookUpEdits.EditValue = @"-1";
}
}
You should use getActivity()
to launch activities from fragments
Intent intent = new Intent(getActivity(), mFragmentFavorite.class);
startActivity(intent);
Also, you should be naming classes with caps: MFragmentActivity
instead of mFragmentActivity
.
I went with "manually" using the same breakpoints in Bootstrap 4 as media queries...
/* Equal-height card images, cf. https://stackoverflow.com/a/47698201/1375163*/
.card-img-top {
/*height: 11vw;*/
object-fit: cover;
}
/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
.card-img-top {
height: 19vw;
}
}
/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
.card-img-top {
height: 16vw;
}
}
/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
.card-img-top {
height: 11vw;
}
}
/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 992px) {
.card-img-top {
height: 11vw;
}
}
It works, though I wish there were more native responsiveness of this sort.
Partial suggestion from @sepuckett86 and I.
Here are the typical steps to set JAVA_HOME on Windows 10.
You can find complete tutorials on my blog :
I had the same problem on API 28, and the fix turned out to be as below;
Enabling Skia rendering for Android UI
When using images for API 27 or later, the emulator can render the Android UI with Skia, which can render more smoothly and efficiently.
To enable Skia rendering, use the following commands in adb shell:
su
setprop debug.hwui.renderer skiagl
stop
start
https://developer.android.com/studio/run/emulator-acceleration#accel-graphics
Use dict.items(); it can be as simple as following:
ship = collections.OrderedDict(ship.items())
Since this post is tagged Windows, I thought I would work out a solution for Windows. I wanted to automate the process, and I made a bat file. I resisted making a console.exe in C#.
I wanted to add any files or folders which are not added in my repository when I begin the commit process.
The problem with many of the answers is they will list unversioned files which should be ignored as per my ignore list in TortoiseSVN.
Here is my hook setting and batch file which does that
Tortoise Hook Script:
"start_commit_hook".
(where I checkout) working copy path = C:\Projects
command line: C:\windows\system32\cmd.exe /c C:\Tools\SVN\svnadd.bat
(X) Wait for the script to finish
(X) (Optional) Hide script while running
(X) Always execute the script
svnadd.bat
@echo off
rem Iterates each line result from the command which lists files/folders
rem not added to source control while respecting the ignore list.
FOR /F "delims==" %%G IN ('svn status ^| findstr "^?"') DO call :DoSVNAdd "%%G"
goto end
:DoSVNAdd
set addPath=%1
rem Remove line prefix formatting from svn status command output as well as
rem quotes from the G call (as required for long folder names). Then
rem place quotes back around the path for the SVN add call.
set addPath="%addPath:~9,-1%"
svn add %addPath%
:end
public byte[] loadBinaryFile (String name) {
try {
DataInputStream dis = new DataInputStream(new FileInputStream(name));
byte[] theBytes = new byte[dis.available()];
dis.read(theBytes, 0, dis.available());
dis.close();
return theBytes;
} catch (IOException ex) {
}
return null;
} // ()
Just a hint... think twice before using "transform: rotate()", or even "-ms-transform :rotate()" (IE9) with mobiles!
I've been knocking hard to the wall for days. I have a 'kinetic' system going on, that slides images and, on top of it, a command area. I did "transform" on an arrow button so it simulates pointing up and down... I've reviewd the 1.000 plus code lines for ages!!! ;-)
All ok, once I removed transform:rotate from the CSS. It's a bit (not to use bad words) tricky the way IE handles it, comparing to other borwsers.
Great answer @Spudley! Thanks for writing it!
When the user taps the Done button on the text keyboard, a Did End On Exit event will be generated; at that time, we need to tell the text field to give up control so that the keyboard will go away. In order to do that, we need to add an action method to our controller class. Select ViewController.swift add the following action method:
@IBAction func textFieldDoneEditing(sender: UITextField) {
sender.resignFirstResponder()}
Select Main.storyboard in the Project Navigator and bring up the connections inspector. Drag from the circle next to Did End On Exit to the yellow View Controller icon in the storyboard and let go. A small pop-up menu will appear containing the name of a single action, the one we just added. Click the textFieldDoneEditing action to select it and that's it.
var urlAction = 'whatever.php';
var data = {param1:'value1'};
var $form = $('<form target="_blank" method="POST" action="' + urlAction + '">');
$.each(data, function(k,v){
$form.append('<input type="hidden" name="' + k + '" value="' + v + '">');
});
$form.submit();
Use XMLHttpRequest
var xhr = new XMLHttpRequest();
xhr.open("POST", '/server', true);
//Send the proper header information along with the request
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.onreadystatechange = function() { // Call a function when the state changes.
if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
// Request finished. Do processing here.
}
}
xhr.send("foo=bar&lorem=ipsum");
// xhr.send(new Int8Array());
// xhr.send(document);
While many of you have touched upon major adv./dis of linked list vs array, most of the comparisons are how one is better/ worse than the other.Eg. you can do random access in array but not possible in linked list and others. However, this is assuming link lists and array are going to be applied in a similar application. However a correct answer should be how link list would be preferred over array and vice-versa in a particular application deployment. Suppose you want to implement a dictionary application, what would you use ? Array : mmm it would allow easy retrieval through binary search and other search algo .. but lets think how link list can be better..Say you want to search "Blob" in dictionary. Would it make sense to have a link list of A->B->C->D---->Z and then each list element also pointing to an array or another list of all words starting with that letter ..
A -> B -> C -> ...Z
| | |
| | [Cat, Cave]
| [Banana, Blob]
[Adam, Apple]
Now is the above approach better or a flat array of [Adam,Apple,Banana,Blob,Cat,Cave] ? Would it even be possible with array ? So a major advantage of link list is you can have an element not just pointing to the next element but also to some other link list/array/ heap/ or any other memory location. Array is a one flat contigous memory sliced into blocks size of the element it is going to store.. Link list on the other hand is a chunks of non-contigous memory units (can be any size and can store anything) and pointing to each other the way you want. Similarly lets say you are making a USB drive. Now would you like files to be saved as any array or as a link list ? I think you get the idea what I am pointing to :)
It's just a namespace definition to avoid collision of class names. The com.domain.package.Class
is an established Java convention wherein the namespace is qualified with the company domain in reverse.
The definitive answer to this is from Facebook themselves. In post today at https://developers.facebook.com/bugs/335452696581712 a Facebook dev says
The ability to pass in an e-mail address into the "user" search type was
removed on July 10, 2013. This search type only returns results that match
a user's name (including alternate name).
So, alas, the simple answer is you can no longer search for users by their email address. This sucks, but that's Facebook's new rules.
https://github.com/renatorib/react-sizes is a HOC to do this while still maintaining good performance.
import React from 'react'
import withSizes from 'react-sizes'
@withSizes(({ width }) => ({ isMobile: width < 480 }))
class MyComponent extends Component {
render() {
return <div>{this.props.isMobile ? 'Is Mobile' : 'Is Not Mobile'}</div>
}
}
export default MyComponent
@Adam Just add a function using onClick="getId()"
function getId(){console.log(this.event.target.id)}
After :
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
You can add (with standard C99 compound literal support) :
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int)) < 0)
error("setsockopt(SO_REUSEADDR) failed");
Or :
int enable = 1;
if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) < 0)
error("setsockopt(SO_REUSEADDR) failed");
This has happened to me several times migrating from Apache 2.2.
What I have found is that there is an Order,Deny that I missed with VIM's Search feature somehow that is the default main Vhost, line 379. Hope this helps someone. I commented out the Order Deny,Allow and Deny from All and it worked!
Following are possible ways to see the version:
Method 1: Connect to the instance of SQL Server, and then run the following query:
Select @@version
An example of the output of this query is as follows:
Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009
10:11:52 Copyright (c) 1988-2008 Microsoft Corporation Express
Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: )
Method 2: Connect to the server by using Object Explorer in SQL Server Management Studio. After Object Explorer is connected, it will show the version information in parentheses, together with the user name that is used to connect to the specific instance of SQL Server.
Method 3: Look at the first few lines of the Errorlog file for that instance. By default, the error log is located at Program Files\Microsoft SQL Server\MSSQL.n\MSSQL\LOG\ERRORLOG
and ERRORLOG.n
files. The entries may resemble the following:
2011-03-27 22:31:33.50 Server Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009 10:11:52 Copyright (c) 1988-2008 Microsoft Corporation Express Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: )
As you can see, this entry gives all the necessary information about the product, such as version, product level, 64-bit versus 32-bit, the edition of SQL Server, and the OS version on which SQL Server is running.
Method 4: Connect to the instance of SQL Server, and then run the following query:
SELECT SERVERPROPERTY('productversion'), SERVERPROPERTY ('productlevel'), SERVERPROPERTY ('edition')
Note This query works with any instance of SQL Server 2000 or of a later version
The Data Access Object is basically an object or an interface that provides access to an underlying database or any other persistence storage.
That definition from: http://en.wikipedia.org/wiki/Data_access_object
Check also the sequence diagram here: http://www.oracle.com/technetwork/java/dataaccessobject-138824.html
Maybe a simple example can help you understand the concept:
Let's say we have an entity to represent an employee:
public class Employee {
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
The employee entities will be persisted into a corresponding Employee
table in a database.
A simple DAO interface to handle the database operation required to manipulate an employee entity will be like:
interface EmployeeDAO {
List<Employee> findAll();
List<Employee> findById();
List<Employee> findByName();
boolean insertEmployee(Employee employee);
boolean updateEmployee(Employee employee);
boolean deleteEmployee(Employee employee);
}
Next we have to provide a concrete implementation for that interface to deal with SQL server, and another to deal with flat files, etc.
For the record and Google search users, If you are a .NET Core developer, you should set the content-types manually, because their default value is null or empty:
var provider = new FileExtensionContentTypeProvider();
app.UseStaticFiles(new StaticFileOptions
{
ContentTypeProvider = provider
});
This problem can be caused also by jvm version used to compile the project and the jvm supported by the servlet container. Try to Fix the project build path. For example if you deploy on tomcat 9, use jvm 1.8.0 or lower.
I think this image is pretty good to understand the concept better!
for more detail understanding please go though below link:
With a debugger you can step through the program assembly interactively.
With a disassembler, you can view the program assembly in more detail.
With a decompiler, you can turn a program back into partial source code, assuming you know what it was written in (which you can find out with free tools such as PEiD - if the program is packed, you'll have to unpack it first OR Detect-it-Easy if you can't find PEiD anywhere. DIE has a strong developer community on github currently).
Some related tools that might come handy in whatever it is you're doing are resource editors such as ResourceHacker (free) and a good hex editor such as Hex Workshop (commercial).
Additionally, if you are doing malware analysis (or use SICE), I wholeheartedly suggest running everything inside a virtual machine, namely VMware Workstation. In the case of SICE, it will protect your actual system from BSODs, and in the case of malware, it will protect your actual system from the target program. You can read about malware analysis with VMware here.
Personally, I roll with Olly, WinDbg & W32Dasm, and some smaller utility tools.
Also, remember that disassembling or even debugging other people's software is usually against the EULA in the very least :)
Use Java Decompiler to turn the jar file into source code file, and then use WinMerge to perform comparison.
You should consult the copyright holder of the source code, to see whether it is OK to do so.
Based on this blog, one could share a docker image without a docker registry by executing:
docker save --output latestversion-1.0.0.tar dockerregistry/latestversion:1.0.0
Once this command has been completed, one could copy the image to a server and import it as follows:
docker load --input latestversion-1.0.0.tar
Restarting Visual Studio solved my problem :)
Try the Join-Path cmdlet:
Get-ChildItem c:\code\*\bin\* -Filter *.dll | Foreach-Object {
Join-Path -Path $_.DirectoryName -ChildPath "$buildconfig\$($_.Name)"
}
All you have to do is copy the cv2.pyd file from the x86 folder (C:\opencv\build\python\2.7\x86\ for example) to C:\Python27\Lib\site-packages\ , not from the x64 folder.
Hope that help you.
For me on an Azure Server 2012 R2 IIS 8.5 VM with an Asp.Net MVC 5 app (bin deployed MVC 5) I had to do the following from an elevated cmd prompt even though I had 4.5 already installed:
dism /online /enable-feature /featurename:IIS-ASPNET45
Source: http://support.microsoft.com/kb/2736284
I also brute force installed all IIS features with the following PowerShell:
import-module servermanager
add-windowsfeature web-server -includeallsubfeature
Source: http://www.iis.net/learn/install/installing-iis-85/installing-iis-85-on-windows-server-2012-r2
Now my app is working.
PHP Implementation:
function encode($message)
{
$length = strlen($message);
$bytesHeader = [];
$bytesHeader[0] = 129; // 0x1 text frame (FIN + opcode)
if ($length <= 125) {
$bytesHeader[1] = $length;
} else if ($length >= 126 && $length <= 65535) {
$bytesHeader[1] = 126;
$bytesHeader[2] = ( $length >> 8 ) & 255;
$bytesHeader[3] = ( $length ) & 255;
} else {
$bytesHeader[1] = 127;
$bytesHeader[2] = ( $length >> 56 ) & 255;
$bytesHeader[3] = ( $length >> 48 ) & 255;
$bytesHeader[4] = ( $length >> 40 ) & 255;
$bytesHeader[5] = ( $length >> 32 ) & 255;
$bytesHeader[6] = ( $length >> 24 ) & 255;
$bytesHeader[7] = ( $length >> 16 ) & 255;
$bytesHeader[8] = ( $length >> 8 ) & 255;
$bytesHeader[9] = ( $length ) & 255;
}
$str = implode(array_map("chr", $bytesHeader)) . $message;
return $str;
}
There are many ways of doing it, I'm listing a few here.
Use Container
and give some height:
Column(
children: <Widget>[
Widget1(),
Container(height: 10), // set height
Widget2(),
],
)
Use Spacer
Column(
children: <Widget>[
Widget1(),
Spacer(), // use Spacer
Widget2(),
],
)
Use Expanded
Column(
children: <Widget>[
Widget1(),
Expanded(child: SizedBox()), // use Expanded
Widget2(),
],
)
Use mainAxisAlignment
Column(
mainAxisAlignment: MainAxisAlignment.spaceAround, // mainAxisAlignment
children: <Widget>[
Widget1(),
Widget2(),
],
)
Use Wrap
Wrap(
direction: Axis.vertical, // make sure to set this
spacing: 20, // set your spacing
children: <Widget>[
Widget1(),
Widget2(),
],
)
Note: I had truncated the first part of the FCM token (before :
) and the error was MismatchSenderId
Fixed my script and now everything works fine.
PS C:\> $MyVar = "C:\MyTxt.txt"
PS C:\> ($MyVar -ne $null) -and (Get-Content $MyVar)
True
($MyVar -ne $null)
returned true and (Get-Content $MyVar)
also returned true.
PS C:\> $MyVar = $null
PS C:\> ($MyVar -ne $null) -and (Get-Content $MyVar)
False
($MyVar -ne $null)
returned false and so far I must assume the (Get-Content $MyVar)
also returned false.
PS C:\> ($MyVar -ne $null) -and (Get-Content "C:\MyTxt.txt")
False
($MyVar -ne $null)
returned false and proved the second condition (Get-Content "C:\MyTxt.txt")
never ran, by returning false on the whole command.
Swift 5.1
self.btnPro.titleLabel?.textAlignment = .left
In addition to Optimize Imports
and Auto Import
, which were pointed out by @dave-newton and @ryan-stewart in earlier answers, go to:
File menu > Settings > Code Style > Java > Imports
File menu > Settings > Editor > Code Style > Java > Imports
(thanks to @mathias-bader for the hint!)
There you can fine tune the grouping and order or imports, "Class count to use import with '*'
", etc.
Note:
since IDEA 13 you can configure the project default settings from the IDEA "start page": Configure > Project defaults > Settings > ...
. Then every new project will have those default settings:
The algorithm that drives http://www.webqr.com is a JavaScript implementation of https://github.com/LazarSoft/jsqrcode. I haven't tried how reliable it is yet, but that's certainly the easier plug-and-play solution (client- or server-side) out of the two.
In Sql Server 2012 - Management Studio:
Solution 1:
Execute the query
Right click the Results Window
Select Save Results As from the menu
Select CSV
Solution 2:
Right click on database
Select Tasks, Export Data
Select Source DB
Select Destination: Flat File Destination
Pick a file name
Select Format - Delimited
Choose a table or write a query
Pick a Column delimiter
Note: You can pick a Text qualifier that will delimit your text fields, such as quotes.
If you have a field with commas, don't use you use comma as a delimiter, because it does not escape commas. You can pick a column delimiter such as Vertical Bar: | instead of comma, or a tab character. Otherwise, write a query that escapes your commas or delimits your varchar field.
The escape character or text qualifier you need to use depends on your requirements.
A principle of TDD and OOP generally is programming to an interface not an implementation.
In this specific case since you're essentially talking about a language construct, not a custom one it generally won't matter, but say for example that you found List didn't support something you needed. If you had used IList in the rest of the app you could extend List with your own custom class and still be able to pass that around without refactoring.
The cost to do this is minimal, why not save yourself the headache later? It's what the interface principle is all about.
Or create a method like this in your solution:
public static class MessageBox {
public static void Show(this Page Page, String Message) {
Page.ClientScript.RegisterStartupScript(
Page.GetType(),
"MessageBox",
"<script language='javascript'>alert('" + Message + "');</script>"
);
}
}
Then you can use it like:
MessageBox.Show("Here is my message");
public static bool HasProperty(dynamic obj, string name)
{
Type objType = obj.GetType();
if (objType == typeof(ExpandoObject))
{
return ((IDictionary<string, object>)obj).ContainsKey(name);
}
return objType.GetProperty(name) != null;
}
If you look up the help page, one of the arguments to lapply
is the mysterious ...
. When we look at the Arguments section of the help page, we find the following line:
...: optional arguments to ‘FUN’.
So all you have to do is include your other argument in the lapply
call as an argument, like so:
lapply(input, myfun, arg1=6)
and lapply
, recognizing that arg1
is not an argument it knows what to do with, will automatically pass it on to myfun
. All the other apply
functions can do the same thing.
An addendum: You can use ...
when you're writing your own functions, too. For example, say you write a function that calls plot
at some point, and you want to be able to change the plot parameters from your function call. You could include each parameter as an argument in your function, but that's annoying. Instead you can use ...
(as an argument to both your function and the call to plot within it), and have any argument that your function doesn't recognize be automatically passed on to plot
.
- (UIImage*)screenshotForView:(UIView *)view
{
UIGraphicsBeginImageContext(view.bounds.size);
[view.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
// hack, helps w/ our colors when blurring
NSData *imageData = UIImageJPEGRepresentation(image, 1); // convert to jpeg
image = [UIImage imageWithData:imageData];
return image;
}
See Getting BLOB data from XHR request which points out that BlobBuilder doesn't work in Chrome so you need to use:
xhr.responseType = 'arraybuffer';
Check out this post
According to it
No value was specified for the AUTO_INCREMENT column, so MySQL assigned sequence numbers automatically. You can also explicitly assign NULL or 0 to the column to generate sequence numbers.
WAI-ARIA is a spec defining support for accessible web apps. It defines bunch of markup extensions (mostly as attributes on HTML5 elements), which can be used by the web app developer to provide additional information about the semantics of the various elements to assistive technologies like screen readers. Of course, for ARIA to work, the HTTP user agent that interprets the markup needs to support ARIA, but the spec is created in such a way, as to allow down-level user agents to ignore the ARIA-specific markup safely without affecting the web app's functionality.
Here's an example from the ARIA spec:
<ul role="menubar">
<!-- Rule 2A: "File" label via aria-labelledby -->
<li role="menuitem" aria-haspopup="true" aria-labelledby="fileLabel"><span id="fileLabel">File</span>
<ul role="menu">
<!-- Rule 2C: "New" label via Namefrom:contents -->
<li role="menuitem" aria-haspopup="false">New</li>
<li role="menuitem" aria-haspopup="false">Open…</li>
...
</ul>
</li>
...
</ul>
Note the role
attribute on the outer <ul>
element. This attribute does not affect in any way how the markup is rendered on the screen by the browser; however, browsers that support ARIA will add OS-specific accessibility information to the rendered UI element, so that the screen reader can interpret it as a menu and read it aloud with enough context for the end-user to understand (for example, an explicit "menu" audio hint) and is able to interact with it (for example, voice navigation).
You are copying all files to a single file called TEST_BACKUP_FOLDER
try this:
md TEST_BACKUP_FOLDER
copy "\\My_Servers_IP\Shared Drive\FolderName\*" TEST_BACKUP_FOLDER
I wrote you 2 classes to show you how it's done; Main and Customer. If you run the Main class you see what's going on:
import java.util.*;
public class Customer {
private String name;
private String email;
public Customer(String name, String email) {
this.name = name;
this.email = email;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return name + " | " + email;
}
public static String toString(Collection<Customer> customers) {
String s = "";
for(Customer customer : customers) {
s += customer + "\n";
}
return s;
}
}
import java.util.*;
public class Main {
public static void main(String[] args) {
List<Customer> customers = new ArrayList<>();
customers.add(new Customer("Bert", "[email protected]"));
customers.add(new Customer("Ernie", "[email protected]"));
System.out.println("customers before email change - start");
System.out.println(Customer.toString(customers));
System.out.println("end");
customers.get(1).setEmail("[email protected]");
System.out.println("customers after email change - start");
System.out.println(Customer.toString(customers));
System.out.println("end");
}
}
to get this running, make 2 classes, Main and Customer and copy paste the contents from both classes to the correct class; then run the Main class.
You may have not set the output file.
No one has explained that you can dynamically define classes. So you can have a decorator that defines (and returns) a subclass:
def addId(cls):
class AddId(cls):
def __init__(self, id, *args, **kargs):
super(AddId, self).__init__(*args, **kargs)
self.__id = id
def getId(self):
return self.__id
return AddId
Which can be used in Python 2 (the comment from Blckknght which explains why you should continue to do this in 2.6+) like this:
class Foo:
pass
FooId = addId(Foo)
And in Python 3 like this (but be careful to use super()
in your classes):
@addId
class Foo:
pass
So you can have your cake and eat it - inheritance and decorators!
To trigger the onClick event on a radio-button invoke the click()
method on the DOM element:
document.getElementById("radioButton").click()
using jquery:
$("#radioButton").click()
AngularJs:
angular.element('#radioButton').trigger('click')
static public string GetCountry()
{
return new WebClient().DownloadString("http://api.hostip.info/country.php");
}
Usage:
Console.WriteLine(GetCountry()); // will return short code for your country
static public string GetInfo()
{
return new WebClient().DownloadString("http://api.hostip.info/get_json.php");
}
Usage:
Console.WriteLine(GetInfo());
// Example:
// {
// "country_name":"COUNTRY NAME",
// "country_code":"COUNTRY CODE",
// "city":"City",
// "ip":"XX.XXX.XX.XXX"
// }
It's your "fault" in that that's how Or
is defined, so it's the behaviour you should expect:
In a Boolean comparison, the Or operator always evaluates both expressions, which could include making procedure calls. The OrElse Operator (Visual Basic) performs short-circuiting, which means that if expression1 is True, then expression2 is not evaluated.
But you don't have to endure it. You can use OrElse
to get short-circuiting behaviour.
So you probably want:
If (example Is Nothing OrElse Not example.Item = compare.Item) Then
'Proceed
End If
I can't say it reads terribly nicely, but it should work...
File file = new File("Foo.txt");
try (PrintStream ps = new PrintStream(file)) {
ps.println("Bar");
}
response.setContentType("application/octet-stream");
response.setContentLength((int) file.length());
response.setHeader( "Content-Disposition",
String.format("attachment; filename=\"%s\"", file.getName()));
OutputStream out = response.getOutputStream();
try (FileInputStream in = new FileInputStream(file)) {
byte[] buffer = new byte[4096];
int length;
while ((length = in.read(buffer)) > 0) {
out.write(buffer, 0, length);
}
}
out.flush();
Please try:
SELECT * INTO NewTable FROM OldTable
There is nothing you can't do per-se. The point is that you're not supposed to modify the server state on an HTTP GET. HTTP proxies assume that since HTTP GET does not modify the state then whether a user invokes HTTP GET one time or 1000 times makes no difference. Using this information they assume it is safe to return a cached version of the first HTTP GET. If you break the HTTP specification you risk breaking HTTP client and proxies in the wild. Don't do it :)
Just use the Form Paint method and draw every Picturebox on it, it allows transparency :
private void frmGame_Paint(object sender, PaintEventArgs e)
{
DoubleBuffered = true;
for (int i = 0; i < Controls.Count; i++)
if (Controls[i].GetType() == typeof(PictureBox))
{
var p = Controls[i] as PictureBox;
p.Visible = false;
e.Graphics.DrawImage(p.Image, p.Left, p.Top, p.Width, p.Height);
}
}
If you want to set filemode to false in config files recursively (including submodules) :
find -name config | xargs sed -i -e 's/filemode = true/filemode = false/'
In the absence of the ability to do zone transfers, I wrote this small bash script, dg
:
#!/bin/bash
COMMON_SUBDOMAINS=(www mail smtp pop imap blog en ftp ssh login)
if [[ "$2" == "x" ]]; then
dig +nocmd "$1" +noall +answer "${3:-any}"
wild_ips="$(dig +short "*.$1" "${3:-any}" | tr '\n' '|')"
wild_ips="${wild_ips%|}"
for sub in "${COMMON_SUBDOMAINS[@]}"; do
dig +nocmd "$sub.$1" +noall +answer "${3:-any}"
done | grep -vE "${wild_ips}"
dig +nocmd "*.$1" +noall +answer "${3:-any}"
else
dig +nocmd "$1" +noall +answer "${2:-any}"
fi
Now I use dg example.com
to get a nice, clean list of DNS records, or dg example.com x
to include a bunch of other popular subdomains.
grep -vE "${wild_ips}"
filters out records that could be the result of a wildcard DNS entry such as * 10800 IN A 1.38.216.82
. Otherwise, a wildcard entry would make it appear as if there were records for each $COMMON_SUBDOMAN
.
Note: This relies on ANY
queries, which are blocked by some DNS providers such as CloudFlare.
With ECMAScript 6, you can use variable property names with the object literal syntax, like this:
var keyName = 'myKey';
var obj = {
[keyName]: 1
};
obj.myKey;//1
This syntax is available in the following newer browsers:
Edge 12+ (No IE support), FF34+, Chrome 44+, Opera 31+, Safari 7.1+
(https://kangax.github.io/compat-table/es6/)
You can add support to older browsers by using a transpiler such as babel. It is easy to transpile an entire project if you are using a module bundler such as rollup or webpack.
typedef enum state {DEAD,ALIVE} State;
| | | | | |^ terminating semicolon, required!
| | | type specifier | | |
| | | | ^^^^^ declarator (simple name)
| | | |
| | ^^^^^^^^^^^^^^^^^^^^^^^
| |
^^^^^^^-- storage class specifier (in this case typedef)
The typedef
keyword is a pseudo-storage-class specifier. Syntactically, it is used in the same place where a storage class specifier like extern
or static
is used. It doesn't have anything to do with storage. It means that the declaration doesn't introduce the existence of named objects, but rather, it introduces names which are type aliases.
After the above declaration, the State
identifier becomes an alias for the type enum state {DEAD,ALIVE}
. The declaration also provides that type itself. However that isn't typedef
doing it. Any declaration in which enum state {DEAD,ALIVE}
appears as a type specifier introduces that type into the scope:
enum state {DEAD, ALIVE} stateVariable;
If enum state
has previously been introduced the typedef
has to be written like this:
typedef enum state State;
otherwise the enum
is being redefined, which is an error.
Like other declarations (except function parameter declarations), the typedef
declaration can have multiple declarators, separated by a comma. Moreover, they can be derived declarators, not only simple names:
typedef unsigned long ulong, *ulongptr;
| | | | | 1 | | 2 |
| | | | | | ^^^^^^^^^--- "pointer to" declarator
| | | | ^^^^^^------------- simple declarator
| | ^^^^^^^^^^^^^-------------------- specifier-qualifier list
^^^^^^^---------------------------------- storage class specifier
This typedef
introduces two type names ulong
and ulongptr
, based on the unsigned long
type given in the specifier-qualifier list. ulong
is just a straight alias for that type. ulongptr
is declared as a pointer to unsigned long
, thanks to the *
syntax, which in this role is a kind of type construction operator which deliberately mimics the unary *
for pointer dereferencing used in expressions. In other words ulongptr
is an alias for the "pointer to unsigned long
" type.
Alias means that ulongptr
is not a distinct type from unsigned long *
. This is valid code, requiring no diagnostic:
unsigned long *p = 0;
ulongptr q = p;
The variables q
and p
have exactly the same type.
The aliasing of typedef
isn't textual. For instance if user_id_t
is a typedef
name for the type int
, we may not simply do this:
unsigned user_id_t uid; // error! programmer hoped for "unsigned int uid".
This is an invalid type specifier list, combining unsigned
with a typedef name. The above can be done using the C preprocessor:
#define user_id_t int
unsigned user_id_t uid;
whereby user_id_t
is macro-expanded to the token int
prior to syntax analysis and translation. While this may seem like an advantage, it is a false one; avoid this in new programs.
Among the disadvantages that it doesn't work well for derived types:
#define silly_macro int *
silly_macro not, what, you, think;
This declaration doesn't declare what
, you
and think
as being of type "pointer to int" because the macro-expansion is:
int * not, what, you, think;
The type specifier is int
, and the declarators are *not
, what
, you
and think
. So not
has the expected pointer type, but the remaining identifiers do not.
And that's probably 99% of everything about typedef
and type aliasing in C.
Swift 3.0:
let userInterface = UIDevice.current.userInterfaceIdiom
if(userInterface == .pad){
//iPads
}else if(userInterface == .phone){
//iPhone
}else if(userInterface == .carPlay){
//CarPlay
}else if(userInterface == .tv){
//AppleTV
}
I found problems with the two common ways of doing this:
Doing this with custom headers (<customHeaders>
) in web.config allows different deployments of the same application to have this set differently. I see this as one more thing that can go wrong, so I think it's better if the application specifies this in code. Also, IIS6 doesn't support this.
Including an HTML <meta>
tag in a Web Forms Master Page or MVC Layout Page seems better than the above. However, if some pages don't inherit from these then the tag needs to be duplicated, so there's a potential maintainability and reliability problem.
Network traffic could be reduced by only sending the X-UA-Compatible
header to Internet Explorer clients.
If your application is structured in a way that causes all pages to ultimately inherit from a single root page, include the <meta>
tag as shown in the other answers.
Otherwise,
I think the best way to do this is to automatically add the HTTP header to all HTML responses. One way to do this is using an IHttpModule
:
public class IeCompatibilityModeDisabler : IHttpModule
{
public void Init(HttpApplication context)
{
context.PreSendRequestHeaders += (sender, e) => DisableCompatibilityModeIfApplicable();
}
private void DisableCompatibilityModeIfApplicable()
{
if (IsIe && IsPage)
DisableCompatibilityMode();
}
private void DisableCompatibilityMode()
{
var response = Context.Response;
response.AddHeader("X-UA-Compatible", "IE=edge");
}
private bool IsIe { get { return Context.Request.Browser.IsBrowser("IE"); } }
private bool IsPage { get { return Context.Handler is Page; } }
private HttpContext Context { get { return HttpContext.Current; } }
public void Dispose() { }
}
IE=edge
indicates that IE should use its latest rendering engine (rather than compatibility mode) to render the page.
It seems that HTTP modules are often registered in the web.config file, but this brings us back to the first problem. However, you can register them programmatically in Global.asax like this:
public class Global : HttpApplication
{
private static IeCompatibilityModeDisabler module;
void Application_Start(object sender, EventArgs e)
{
module = new IeCompatibilityModeDisabler();
}
public override void Init()
{
base.Init();
module.Init(this);
}
}
Note that it is important that the module is static
and not instantiated in Init
so that there is only one instance per application. Of course, in a real-world application an IoC container should probably be managing this.
PreSendRequestHeaders
event in the above code doesn't seem to fire in IIS6. I haven't figured out how to resolve this bug yet.#include <stdio.h>
#include <string.h>
char isNumber(char *text)
{
int j;
j = strlen(text);
while(j--)
{
if(text[j] > 47 && text[j] < 58)
continue;
return 0;
}
return 1;
}
int main(){
char tmp[16];
scanf("%s", tmp);
if(isNumber(tmp))
return printf("is a number\n");
return printf("is not a number\n");
}
You can also check its stringfied value, which could also work with non Ascii
char isNumber(char *text)
{
int j;
j = strlen(text);
while(j--)
{
if(text[j] >= '0' && text[j] <= '9')
continue;
return 0;
}
return 1;
}
I had the same problem when I was working on asp.net Mvc webApi because cors was not enabled. I solved this by enabling cors inside register method of webApiconfig
First install cors from here then
public static void Register(HttpConfiguration config)
{
// Web API configuration and services
var cors = new EnableCorsAttribute("*", "*", "*");
config.EnableCors(cors);
config.EnableCors();
// Web API routes
config.MapHttpAttributeRoutes();
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
}
Try this one -
"SELECT
ID, Salt, password, BannedEndDate
, (
SELECT COUNT(1)
FROM dbo.LoginFails l
WHERE l.UserName = u.UserName
AND IP = '" + Request.ServerVariables["REMOTE_ADDR"] + "'
) AS cnt
FROM dbo.Users u
WHERE u.UserName = '" + LoginModel.Username + "'"
func deleteAll(entityName: String) {
let fetchRequest = NSFetchRequest<NSFetchRequestResult>(entityName: entityName)
let deleteRequest = NSBatchDeleteRequest(fetchRequest: fetchRequest)
deleteRequest.resultType = .resultTypeObjectIDs
guard let context = self.container?.viewContext
else { print("error in deleteAll")
return }
do {
let result = try context.execute(deleteRequest) as? NSBatchDeleteResult
let objectIDArray = result?.result as? [NSManagedObjectID]
let changes: [AnyHashable : Any] = [NSDeletedObjectsKey : objectIDArray as Any]
NSManagedObjectContext.mergeChanges(fromRemoteContextSave: changes, into: [context])
} catch {
print(error.localizedDescription)
}
}
int (*x)()
is not a pointer to member function. A pointer to member function is written like this: int (A::*x)(void) = &A::f;
.
Yeah first method will work on any element called from elsewhere since it will always take the target element irrespective of id.
check this fiddle
You can use vertical-align
to move items vertically.
Example:
<div>This is an <span style="vertical-align: -20px;">example</span></div>
This will move the span containing the word 'example' downwards 20 pixels compared to the rest of the text.
The intended use for this property is to align elements of different height (e.g. images with different sizes) along a set line. vertical-align: top
will for instance align all images on a line with the top of each image aligning with each other. vertical-align: middle
will align all images so that the middle of the images align with each other, regardless of the height of each image.
You can see visual examples in this CodePen by Chris Coyier.
Hope that helps!
You should add the resources in a library project as per http://developer.android.com/tools/support-library/setup.html
Section > Adding libraries with resources
You then add the android-support-v7-appcompat
library in your workspace and then add it as a reference to your app project.
Defining all the resources in your app project will also work (but there are a lot of definitions to add and you have missed some of them), and it is not the recommended approach.
None of the above answers fixed this issue for me. I did it as following (Laravel with Ubuntu server):
<?php
$footerFile = '/var/www/website/main/resources/views/emails/elements/emailfooter.blade.php';
include($footerFile);
?>
public void CreateCSVFile(DataTable dt, string strFilePath,string separator)
{
#region Export Grid to CSV
// Create the CSV file to which grid data will be exported.
StreamWriter sw = new StreamWriter(strFilePath, false);
int iColCount = dt.Columns.Count;
for (int i = 0; i < iColCount; i++)
{
sw.Write(dt.Columns[i]);
if (i < iColCount - 1)
{
sw.Write(separator);
}
}
sw.Write(sw.NewLine);
// Now write all the rows.
foreach (DataRow dr in dt.Rows)
{
for (int i = 0; i < iColCount; i++)
{
if (!Convert.IsDBNull(dr[i]))
{
sw.Write(dr[i].ToString());
}
if (i < iColCount - 1)
{
sw.Write(separator);
}
}
sw.Write(sw.NewLine);
}
sw.Close();
#endregion
}
In my case I imported maven project as Default existing project in eclipse.After that I imported as maven project.That worked for me.
I solved this problem instantiating a new Date object in node.js:...
In Javascript, send the Date().toISOString() to nodejs:...
var start_date = new Date(2012, 01, 03, 8, 30);
$.ajax({
type: 'POST',
data: { start_date: start_date.toISOString() },
url: '/queryScheduleCollection',
dataType: 'JSON'
}).done(function( response ) { ... });
Then use the ISOString to create a new Date object in nodejs:..
exports.queryScheduleCollection = function(db){
return function(req, res){
var start_date = new Date(req.body.start_date);
db.collection('schedule_collection').find(
{ start_date: { $gte: start_date } }
).toArray( function (err,d){
...
res.json(d)
})
}
};
Note: I'm using Express and Mongoskin.
we are creating a simple function as
callBackFunction (data, function ( err, response ){
console.log(response)
})
// callbackfunction
function callBackFuntion (data, callback){
//write your logic and return your result as
callback("",result) //if not error
callback(error, "") //if error
}
For example we have:
example.com/list/search?q=Somethink
And you need use variable url like this by window.location.href:
example.com/list/edit
From url:
example.com/list/search?q=Somethink
example.com/list/
var url = (window.location.href);
url = url.split('/search')[0];
url = (url + '/edit');
This is simple solution:-)
Here's how it's done in the Java API:
public boolean intersects(Rectangle r) {
int tw = this.width;
int th = this.height;
int rw = r.width;
int rh = r.height;
if (rw <= 0 || rh <= 0 || tw <= 0 || th <= 0) {
return false;
}
int tx = this.x;
int ty = this.y;
int rx = r.x;
int ry = r.y;
rw += rx;
rh += ry;
tw += tx;
th += ty;
// overflow || intersect
return ((rw < rx || rw > tx) &&
(rh < ry || rh > ty) &&
(tw < tx || tw > rx) &&
(th < ty || th > ry));
}
If you don't want to wrap a table under any div:
table{
table-layout: fixed;
}
tbody{
display: block;
overflow: auto;
}
You can also modify the windowTitle attribute in Qt Designer.
If [John Smith]
is in cell A1, then use this formula to do what you want:
=SUBSTITUTE(SUBSTITUTE(A1, "[", ""), "]", "")
The inner SUBSTITUTE replaces all instances of "[" with "" and returns a new string, then the other SUBSTITUTE replaces all instances of "]" with "" and returns the final result.
They are viewport meta tags, and is most applicable on mobile browsers.
This means, we are telling to the browser “my website adapts to your device width”.
This defines the scale of the website, This parameter sets the initial zoom level, which means 1 CSS pixel is equal to 1 viewport pixel. This parameter help when you're changing orientation, or preventing default zooming. Without this parameter, responsive site won't work.
Maximum-scale defines the maximum zoom. When you access the website, top priority is maximum-scale=1
, and it won’t allow the user to zoom.
Minimum-scale defines the minimum zoom. This works the same as above, but it defines the minimum scale. This is useful, when maximum-scale
is large, and you want to set minimum-scale
.
User-scalable assigned to 1.0 means the website is allowing the user to zoom in or zoom out.
But if you assign it to user-scalable=no
, it means the website is not allowing the user to zoom in or zoom out.
What about position: relative
for the outer div? In the example that hides the inner one. It also won't move it in its layout since you don't specify a top or left.
find the below explanation:
int main()
{
int a = 10;// say address of 'a' is 2000;
int *p = &a; //it means 'p' is pointing[referencing] to 'a'. i.e p->2000
int c = *p; //*p means dereferncing. it will give the content of the address pointed by 'p'. in this case 'p' is pointing to 2000[address of 'a' variable], content of 2000 is 10. so *p will give 10.
}
conclusion :
&
[address operator] is used for referencing.*
[star operator] is used for de-referencing .>>> re.split('(\W)', 'foo/bar spam\neggs')
['foo', '/', 'bar', ' ', 'spam', '\n', 'eggs']
You can pass an access level to the @Getter
and @Setter
annotations. This is useful to make getters or setters protected or private. It can also be used to override the default.
With @Data
, you have public access to the accessors by default. You can now use the special access level NONE
to completely omit the accessor, like this:
@Getter(AccessLevel.NONE)
@Setter(AccessLevel.NONE)
private int mySecret;
You can not use tag to make group of more than one tag. If you want to make group of tag for any purpose like in ajax to change particular group or in CSS to change style of particular tag etc. then use
Ex.
<table>
<tbody id="foods">
<tr>
<td>Group 1</td>
</tr>
<tr>
<td>Group 1</td>
</tr>
</tbody>
<tbody id="drinks">
<tr>
<td>Group 2</td>
</tr>
<tr>
<td>Group 2</td>
</tr>
</tbody>
</table>
If you are using NodeJs for your server side, just add these to your route and you will be Ok
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
Your route will then look somehow like this
router.post('/odin', function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
return res.json({Name: req.body.name, Phone: req.body.phone});
});
Client side for Ajax call
var sendingData = {
name: "Odinfono Emmanuel",
phone: "1234567890"
}
<script>
$(document).ready(function(){
$.ajax({
url: 'http://127.0.0.1:3000/odin',
method: 'POST',
type: 'json',
data: sendingData,
success: function (response) {
console.log(response);
},
error: function (error) {
console.log(error);
}
});
});
</script>
You should have something like this in your browser console as response
{ name: "Odinfono Emmanuel", phone: "1234567890"}
Enjoy coding....
<div class="headerdivider"></div>
and
.headerdivider {
border-left: 1px solid #38546d;
background: #16222c;
width: 1px;
height: 80px;
position: absolute;
right: 250px;
top: 10px;
}
I've used the following advice from the docs https://symfony.com/doc/current/console/request_context.html to get absolute urls in emails:
# config/services.yaml
parameters:
router.request_context.host: 'example.org'
router.request_context.scheme: 'https'
It is possible to use filter predicates to specify which rows to include in the index.
From the documentation:
WHERE <filter_predicate> Creates a filtered index by specifying which rows to include in the index. The filtered index must be a nonclustered index on a table. Creates filtered statistics for the data rows in the filtered index.
Example:
CREATE TABLE Table1 (
NullableCol int NULL
)
CREATE UNIQUE INDEX IX_Table1 ON Table1 (NullableCol) WHERE NullableCol IS NOT NULL;
Easiest option for me was to make select as readonly and add:
onmousedown="return false" onkeydown="return false"
You don't need to write any extra logic. No hidden inputs or disabled and then re-enabled on form submit.
I have noticed that your success function has the parameter "html", and you are trying to add "data" to your elements html()
... Change it so these both match:
$.ajax({
type:"POST",
url: "ajax.php",
data:"id="+id ,
success: function(data){
$("#response").html(data);
}
});
THIS IS AN UP TO DATE ANSWER FOR WINDOWS USERS - VERY SIMPLE SOLUTION.
As pointed out by other, the problem is that python/cython etc. tries to find the same compiler they were built from, but this compiler does not exist on the computer. Most of the time, this compiler is a version of visual studio (2008, 2010 or 2013), but either such a compiler is not installed, or a newer version is installed and the system prevents from installing an older one. So, the solution is simple:
1) look at C:\Program Files (x86) and see if there is an installed version of Microsoft visual studio, and if it is newer than the version from which Python has been built. If not, install(/update to) the version from which Python has been built (see previous answers), or even a newest version and follow the next step.
2)If a newest version of Microsoft visual studio is already installed, we have to make Python/cython etc. believe that it is the version from which it has been built. And this is very simple: go to the the system environment variables and create the following variables, if they do not exist:
VS100COMNTOOLS
VS110COMNTOOLS
VS120COMNTOOLS
VS140COMNTOOLS
And set the field of these variables to
"C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools" (if visual studio 2008 is installed), or "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\Tools" (if visual studio 2010 is installed) or "C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools" (if visual studio 2013 is installed) or "C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\Tools" (if visual studio 2015 is installed).
This solution works for 32 bit versions of python. It may also work for 64 bit version but I've not tested; most probably, for 64 bit versions, the following additional steps must be performed:
3)add the path "C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC" to the %PATH% environment variable (change the number of the version of visual studio according to you version).
4) from the command line, run "vcvarsall.bat x86_amd64"
That's all.
Regarding [Console]::WriteLine() - you should use it if you are going to use pipelines in CMD (not in powershell). Say you want your ps1 to stream a lot of data to stdout, and some other utility to consume/transform it. If you use Write-Host in the script it will be much slower.
According to Documentation
git diff Shows changes between the working tree and the index or a tree, changes between the index and a tree, changes between two trees, changes resulting from a merge, changes between two blob objects, or changes between two files on disk.
In git diff
- There's a significant difference between two dots ..
and 3 dots ...
in the way we compare branches or pull requests in our repository. I'll give you an easy example which demonstrates it easily.
Example: Let's assume we're checking out new branch from master and pushing some code in.
G---H---I feature (Branch)
/
A---B---C---D master (Branch)
Two dots - If we want to show the diffs between all changes happened in the current time on both sides, We would use the git diff origin/master..feature
or just git diff origin/master
,output: ( H, I
against A, B, C, D
)
Three dots - If we want to show the diffs between the last common ancestor (A
), aka the check point we started our new branch ,we use git diff origin/master...feature
,output: (H, I
against A
).
I'd rather use the 3 dots in most circumstances.
I followed the top answer and started looking at yahoo finance. Their API can be accessed a number of different ways, but I found a nice reference for getting stock info as a CSV here: http://www.jarloo.com/
Using that I wrote this script. I'm not really a ruby guy but this might help you hack something together. I haven't come up with variable names for all the fields yahoo offers yet, so you can fill those in if you need them.
Here's the usage
TICKERS_SP500 = "GICS,CIK,MMM,ABT,ABBV,ACN,ACE,ACT,ADBE,ADT,AES,AET,AFL,AMG,A,GAS,APD,ARG,AKAM,AA,ALXN,ATI,ALLE,ADS,ALL,ALTR,MO,AMZN,AEE,AAL,AEP,AXP,AIG,AMT,AMP,ABC,AME,AMGN,APH,APC,ADI,AON,APA,AIV,AAPL,AMAT,ADM,AIZ,T,ADSK,ADP,AN,AZO,AVGO,AVB,AVY,BHI,BLL,BAC,BK,BCR,BAX,BBT,BDX,BBBY,BBY,BIIB,BLK,HRB,BA,BWA,BXP,BSX,BMY,BRCM,BFB,CHRW,CA,CVC,COG,CAM,CPB,COF,CAH,HSIC,KMX,CCL,CAT,CBG,CBS,CELG,CNP,CTL,CERN,CF,SCHW,CHK,CVX,CMG,CB,CI,XEC,CINF,CTAS,CSCO,C,CTXS,CLX,CME,CMS,COH,KO,CCE,CTSH,CL,CMA,CSC,CAG,COP,CNX,ED,STZ,GLW,COST,CCI,CSX,CMI,CVS,DHI,DHR,DRI,DVA,DE,DLPH,DAL,XRAY,DVN,DO,DTV,DFS,DG,DLTR,D,DOV,DOW,DPS,DTE,DD,DUK,DNB,ETFC,EMN,ETN,EBAY,ECL,EIX,EW,EA,EMC,EMR,ENDP,ESV,ETR,EOG,EQT,EFX,EQIX,EQR,ESS,EL,ES,EXC,EXPE,EXPD,ESRX,XOM,FFIV,FB,FDO,FAST,FDX,FIS,FITB,FSLR,FE,FISV,FLIR,FLS,FLR,FMC,FTI,F,FOSL,BEN,FCX,FTR,GME,GCI,GPS,GRMN,GD,GE,GGP,GIS,GM,GPC,GNW,GILD,GS,GT,GOOG,GWW,HAL,HBI,HOG,HAR,HRS,HIG,HAS,HCA,HCP,HCN,HP,HES,HPQ,HD,HON,HRL,HSP,HST,HCBK,HUM,HBAN,ITW,IR,TEG,INTC,ICE,IBM,IP,IPG,IFF,INTU,ISRG,IVZ,IRM,JEC,JNJ,JCI,JOY,JPM,JNPR,KSU,K,KEY,GMCR,KMB,KIM,KMI,KLAC,KSS,KRFT,KR,LB,LLL,LH,LRCX,LM,LEG,LEN,LVLT,LUK,LLY,LNC,LLTC,LMT,L,LO,LOW,LYB,MTB,MAC,M,MNK,MRO,MPC,MAR,MMC,MLM,MAS,MA,MAT,MKC,MCD,MHFI,MCK,MJN,MWV,MDT,MRK,MET,KORS,MCHP,MU,MSFT,MHK,TAP,MDLZ,MON,MNST,MCO,MS,MOS,MSI,MUR,MYL,NDAQ,NOV,NAVI,NTAP,NFLX,NWL,NFX,NEM,NWSA,NEE,NLSN,NKE,NI,NE,NBL,JWN,NSC,NTRS,NOC,NRG,NUE,NVDA,ORLY,OXY,OMC,OKE,ORCL,OI,PCAR,PLL,PH,PDCO,PAYX,PNR,PBCT,POM,PEP,PKI,PRGO,PFE,PCG,PM,PSX,PNW,PXD,PBI,PCL,PNC,RL,PPG,PPL,PX,PCP,PCLN,PFG,PG,PGR,PLD,PRU,PEG,PSA,PHM,PVH,QEP,PWR,QCOM,DGX,RRC,RTN,RHT,REGN,RF,RSG,RAI,RHI,ROK,COL,ROP,ROST,RCL,R,CRM,SNDK,SCG,SLB,SNI,STX,SEE,SRE,SHW,SIAL,SPG,SWKS,SLG,SJM,SNA,SO,LUV,SWN,SE,STJ,SWK,SPLS,SBUX,HOT,STT,SRCL,SYK,STI,SYMC,SYY,TROW,TGT,TEL,TE,THC,TDC,TSO,TXN,TXT,HSY,TRV,TMO,TIF,TWX,TWC,TJX,TMK,TSS,TSCO,RIG,TRIP,FOXA,TSN,TYC,USB,UA,UNP,UNH,UPS,URI,UTX,UHS,UNM,URBN,VFC,VLO,VAR,VTR,VRSN,VZ,VRTX,VIAB,V,VNO,VMC,WMT,WBA,DIS,WM,WAT,ANTM,WFC,WDC,WU,WY,WHR,WFM,WMB,WIN,WEC,WYN,WYNN,XEL,XRX,XLNX,XL,XYL,YHOO,YUM,ZMH,ZION,ZTS,SAIC,AP"
AllData = loadStockInfo(TICKERS_SP500, allParameters())
SpecificData = loadStockInfo("GOOG,CIK", "ask,dps")
loadStockInfo returns a hash, such that SpecificData["GOOG"]["name"] is "Google Inc."
Finally, the actual code to run that...
require 'net/http'
# Jack Franzen & Garin Bedian
# Based on http://www.jarloo.com/yahoo_finance/
$parametersData = Hash[[
["symbol", ["s", "Symbol"]],
["ask", ["a", "Ask"]],
["divYield", ["y", "Dividend Yield"]],
["bid", ["b", "Bid"]],
["dps", ["d", "Dividend per Share"]],
#["noname", ["b2", "Ask (Realtime)"]],
#["noname", ["r1", "Dividend Pay Date"]],
#["noname", ["b3", "Bid (Realtime)"]],
#["noname", ["q", "Ex-Dividend Date"]],
#["noname", ["p", "Previous Close"]],
#["noname", ["o", "Open"]],
#["noname", ["c1", "Change"]],
#["noname", ["d1", "Last Trade Date"]],
#["noname", ["c", "Change & Percent Change"]],
#["noname", ["d2", "Trade Date"]],
#["noname", ["c6", "Change (Realtime)"]],
#["noname", ["t1", "Last Trade Time"]],
#["noname", ["k2", "Change Percent (Realtime)"]],
#["noname", ["p2", "Change in Percent"]],
#["noname", ["c8", "After Hours Change (Realtime)"]],
#["noname", ["m5", "Change From 200 Day Moving Average"]],
#["noname", ["c3", "Commission"]],
#["noname", ["m6", "Percent Change From 200 Day Moving Average"]],
#["noname", ["g", "Day’s Low"]],
#["noname", ["m7", "Change From 50 Day Moving Average"]],
#["noname", ["h", "Day’s High"]],
#["noname", ["m8", "Percent Change From 50 Day Moving Average"]],
#["noname", ["k1", "Last Trade (Realtime) With Time"]],
#["noname", ["m3", "50 Day Moving Average"]],
#["noname", ["l", "Last Trade (With Time)"]],
#["noname", ["m4", "200 Day Moving Average"]],
#["noname", ["l1", "Last Trade (Price Only)"]],
#["noname", ["t8", "1 yr Target Price"]],
#["noname", ["w1", "Day’s Value Change"]],
#["noname", ["g1", "Holdings Gain Percent"]],
#["noname", ["w4", "Day’s Value Change (Realtime)"]],
#["noname", ["g3", "Annualized Gain"]],
#["noname", ["p1", "Price Paid"]],
#["noname", ["g4", "Holdings Gain"]],
#["noname", ["m", "Day’s Range"]],
#["noname", ["g5", "Holdings Gain Percent (Realtime)"]],
#["noname", ["m2", "Day’s Range (Realtime)"]],
#["noname", ["g6", "Holdings Gain (Realtime)"]],
#["noname", ["k", "52 Week High"]],
#["noname", ["v", "More Info"]],
#["noname", ["j", "52 week Low"]],
#["noname", ["j1", "Market Capitalization"]],
#["noname", ["j5", "Change From 52 Week Low"]],
#["noname", ["j3", "Market Cap (Realtime)"]],
#["noname", ["k4", "Change From 52 week High"]],
#["noname", ["f6", "Float Shares"]],
#["noname", ["j6", "Percent Change From 52 week Low"]],
["name", ["n", "Company Name"]],
#["noname", ["k5", "Percent Change From 52 week High"]],
#["noname", ["n4", "Notes"]],
#["noname", ["w", "52 week Range"]],
#["noname", ["s1", "Shares Owned"]],
#["noname", ["x", "Stock Exchange"]],
#["noname", ["j2", "Shares Outstanding"]],
#["noname", ["v", "Volume"]],
#["noname", ["a5", "Ask Size"]],
#["noname", ["b6", "Bid Size"]],
#["noname", ["k3", "Last Trade Size"]],
#["noname", ["t7", "Ticker Trend"]],
#["noname", ["a2", "Average Daily Volume"]],
#["noname", ["t6", "Trade Links"]],
#["noname", ["i5", "Order Book (Realtime)"]],
#["noname", ["l2", "High Limit"]],
#["noname", ["e", "Earnings per Share"]],
#["noname", ["l3", "Low Limit"]],
#["noname", ["e7", "EPS Estimate Current Year"]],
#["noname", ["v1", "Holdings Value"]],
#["noname", ["e8", "EPS Estimate Next Year"]],
#["noname", ["v7", "Holdings Value (Realtime)"]],
#["noname", ["e9", "EPS Estimate Next Quarter"]],
#["noname", ["s6", "evenue"]],
#["noname", ["b4", "Book Value"]],
#["noname", ["j4", "EBITDA"]],
#["noname", ["p5", "Price / Sales"]],
#["noname", ["p6", "Price / Book"]],
#["noname", ["r", "P/E Ratio"]],
#["noname", ["r2", "P/E Ratio (Realtime)"]],
#["noname", ["r5", "PEG Ratio"]],
#["noname", ["r6", "Price / EPS Estimate Current Year"]],
#["noname", ["r7", "Price / EPS Estimate Next Year"]],
#["noname", ["s7", "Short Ratio"]
]]
def replaceCommas(data)
s = ""
inQuote = false
data.split("").each do |a|
if a=='"'
inQuote = !inQuote
s += '"'
elsif !inQuote && a == ","
s += "#"
else
s += a
end
end
return s
end
def allParameters()
s = ""
$parametersData.keys.each do |i|
s = s + i + ","
end
return s
end
def prepareParameters(parametersText)
pt = parametersText.split(",")
if !pt.include? 'symbol'; pt.push("symbol"); end;
if !pt.include? 'name'; pt.push("name"); end;
p = []
pt.each do |i|
p.push([i, $parametersData[i][0]])
end
return p
end
def prepareURL(tickers, parameters)
urlParameters = ""
parameters.each do |i|
urlParameters += i[1]
end
s = "http://download.finance.yahoo.com/d/quotes.csv?"
s = s + "s=" + tickers + "&"
s = s + "f=" + urlParameters
return URI(s)
end
def loadStockInfo(tickers, parametersRaw)
parameters = prepareParameters(parametersRaw)
url = prepareURL(tickers, parameters)
data = Net::HTTP.get(url)
data = replaceCommas(data)
h = CSVtoObject(data, parameters)
logStockObjects(h, true)
end
#parse csv
def printCodes(substring, length)
a = data.index(substring)
b = data.byteslice(a, 10)
puts "printing codes of string: "
puts b
puts b.split('').map(&:ord).to_s
end
def CSVtoObject(data, parameters)
rawData = []
lineBreaks = data.split(10.chr)
lineBreaks.each_index do |i|
rawData.push(lineBreaks[i].split("#"))
end
#puts "Found " + rawData.length.to_s + " Stocks"
#puts " w/ " + rawData[0].length.to_s + " Fields"
h = Hash.new("MainHash")
rawData.each_index do |i|
o = Hash.new("StockObject"+i.to_s)
#puts "parsing object" + rawData[i][0]
rawData[i].each_index do |n|
#puts "parsing parameter" + n.to_s + " " +parameters[n][0]
o[ parameters[n][0] ] = rawData[i][n].gsub!(/^\"|\"?$/, '')
end
h[o["symbol"]] = o;
end
return h
end
def logStockObjects(h, concise)
h.keys.each do |i|
if concise
puts "(" + h[i]["symbol"] + ")\t\t" + h[i]["name"]
else
puts ""
puts h[i]["name"]
h[i].keys.each do |p|
puts " " + $parametersData[p][1] + " : " + h[i][p].to_s
end
end
end
end
For completely silencing the output, here what works for me
```{r error=FALSE, warning=FALSE, message=FALSE}
invisible({capture.output({
# Your code here
2 * 2
# etc etc
})})
```
The 5 measures used above are
error = FALSE
warning = FALSE
message = FALSE
invisible()
capture.output()
add "id='myiframe'" to the iframe, then use this script :
<script>
function f1()
{
var x=document.getElementById("myiframe");
x.src=x.src+Math.floor(random()%100000);
}
setInterval(f1,30*1000);
</script>
One more map solution:
def square(a):
return map(pow, a, [2]*len(a))
Use a BOM to solve version issues.
you may find that a third-party library, or another Spring project, pulls in a transitive dependency to an older release. If you forget to explicitly declare a direct dependency yourself, all sorts of unexpected issues can arise.
To overcome such problems Maven supports the concept of a "bill of materials" (BOM) dependency.
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-framework-bom</artifactId>
<version>3.2.12.RELEASE</version>
<type>pom</type>
</dependency>
You can use an async result and a delegate for this. If you read up on the documentation it should make it pretty clear what to do. I can write up some sample code if you like and attach it to this answer.
Action isExcelInteractive = IsExcelInteractive;
private async void btnOk_Click(object sender, EventArgs e)
{
IAsyncResult result = isExcelInteractive.BeginInvoke(ItIsDone, null);
result.AsyncWaitHandle.WaitOne();
Console.WriteLine("YAY");
}
static void IsExcelInteractive(){
while (something_is_false) // do your check here
{
if(something_is_true)
return true;
}
Thread.Sleep(1);
}
void ItIsDone(IAsyncResult result)
{
this.isExcelInteractive.EndInvoke(result);
}
Apologies if this code isn't 100% complete, I don't have Visual Studio on this computer, but hopefully it gets you where you need to get to.
Agreed with @jolvi, @ArundasR, and others, the warning happens on a member function that doesn't use self
.
If you're sure PyCharm is wrong, that the function should not be a @staticmethod
, and if you value zero warnings, you can make this one go away two different ways:
Workaround #1
def bar(self):
self.is_not_used()
doing_something_without_self()
def is_not_used(self):
pass
Workaround #2 [Thanks @DavidPärsson]
# noinspection PyMethodMayBeStatic
def bar(self):
doing_something_without_self()
The application I had for this (the reason I could not use @staticmethod) was in making a table of handler functions for responding to a protocol subtype field. All handlers had to be the same form of course (static or nonstatic). But some didn't happen to do anything with the instance. If I made those static I'd get "TypeError: 'staticmethod' object is not callable".
In support of the OP's consternation, suggesting you add staticmethod whenever you can, goes against the principle that it's easier to make code less restrictive later, than to make it more -- making a method static makes it less restrictive now, in that you can call class.f() instead of instance.f().
Guesses as to why this warning exists:
Since everything is an expression, and thus results in a value, you can just use if/else
.
a = if true then 5 else 10
a = if false then 5 else 10
You can see more about expression examples here.
Recently faced a problem with fetching 'Origin' request header, then I found this question. But pretty confused with the results, req.get('host')
is deprecated, that's why giving Undefined
.
Use,
req.header('Origin');
req.header('Host');
// this method can be used to access other request headers like, 'Referer', 'User-Agent' etc.
I had this error when going from version 10.0.0.0, i.e. "Microsoft.ReportViewer.WebForms, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
to version 11.0.0.0, i.e.
"Microsoft.ReportViewer.WebForms, Version=11.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91"
It took a while until I understood that not only the version was changed but also the public token key, as you can see above.
In my case I was using certificates for authentication with certificateValidationMode set to "PeerTrust" and I had forgotten to install the client certificate in windows store (LocalMachine\TrustedPeople) to make it accepted by the server.
To my knowledge these are the rules for calling subroutines and functions in VBScript:
Call
keyword enclose the arguments in parenthesisSince you probably wont be using the Call
keyword you only need to learn the rule that if you call a function and want to assign or use the return value you need to enclose the arguments in parenthesis. Otherwise, don't use parenthesis.
Here are some examples:
WScript.Echo 1, "two", 3.3
- calling a subroutine
WScript.Echo(1, "two", 3.3)
- syntax error
Call WScript.Echo(1, "two", 3.3)
- keyword Call
requires parenthesis
MsgBox "Error"
- calling a function "like" a subroutine
result = MsgBox("Continue?", 4)
- calling a function where the return value is used
WScript.Echo (1 + 2)*3, ("two"), (((3.3)))
- calling a subroutine where the arguments are computed by expressions involving parenthesis (note that if you surround a variable by parenthesis in an argument list it changes the behavior from call by reference to call by value)
WScript.Echo(1)
- apparently this is a subroutine call using parenthesis but in reality the argument is simply the expression (1)
and that is what tends to confuse people that are used to other programming languages where you have to specify parenthesis when calling subroutines
I'm not sure how to interpret your example, Randomize()
. Randomize
is a subroutine that accepts a single optional argument but even if the subroutine didn't have any arguments it is acceptable to call it with an empty pair of parenthesis. It seems that the VBScript parser has a special rule for an empty argument list. However, my advice is to avoid this special construct and simply call any subroutine without using parenthesis.
I'm quite sure that these syntactic rules applies across different versions of operating systems.
First, thanks for the answers above! They lead to my solution.
I added this alias to my .bashrc file:
alias now='date +%Y-%m-%d-%H.%M.%S'
Now when I want to put a time stamp on a file such as a build log I can do this:
mvn clean install | tee build-$(now).log
and I get a file name like:
build-2021-02-04-03.12.12.log
instead of ng-model you can use this code:
import { Component } from '@angular/core';
@Component({
selector: 'my-app',
template: `<input #box (keyup)="0">
<p>{{box.value}}</p>`,
})
export class AppComponent {}
inside your app.component.ts
Use FormData. It works really well :-) ...
var jform = new FormData();
jform.append('user',$('#user').val());
jform.append('image',$('#image').get(0).files[0]); // Here's the important bit
$.ajax({
url: '/your-form-processing-page-url-here',
type: 'POST',
data: jform,
dataType: 'json',
mimeType: 'multipart/form-data', // this too
contentType: false,
cache: false,
processData: false,
success: function(data, status, jqXHR){
alert('Hooray! All is well.');
console.log(data);
console.log(status);
console.log(jqXHR);
},
error: function(jqXHR,status,error){
// Hopefully we should never reach here
console.log(jqXHR);
console.log(status);
console.log(error);
}
});
Use height()
:
var result = $("#myDiv").height();
alert(result);
This will give you the unit-less computed height in pixels. "px" will be stripped from the result. I.e. if the height is 400px, the result will be 400, but the result will be in pixels.
If you want to do it without jQuery, you can use plain JavaScript:
var result = document.getElementById("myDiv").offsetHeight;
I use AngularJS v1.3.4
HTML:
<button ng-click="downloadPdf()" class="btn btn-primary">download PDF</button>
JS controller:
'use strict';
angular.module('xxxxxxxxApp')
.controller('xxxxController', function ($scope, xxxxServicePDF) {
$scope.downloadPdf = function () {
var fileName = "test.pdf";
var a = document.createElement("a");
document.body.appendChild(a);
a.style = "display: none";
xxxxServicePDF.downloadPdf().then(function (result) {
var file = new Blob([result.data], {type: 'application/pdf'});
var fileURL = window.URL.createObjectURL(file);
a.href = fileURL;
a.download = fileName;
a.click();
});
};
});
JS services:
angular.module('xxxxxxxxApp')
.factory('xxxxServicePDF', function ($http) {
return {
downloadPdf: function () {
return $http.get('api/downloadPDF', { responseType: 'arraybuffer' }).then(function (response) {
return response;
});
}
};
});
Java REST Web Services - Spring MVC:
@RequestMapping(value = "/downloadPDF", method = RequestMethod.GET, produces = "application/pdf")
public ResponseEntity<byte[]> getPDF() {
FileInputStream fileStream;
try {
fileStream = new FileInputStream(new File("C:\\xxxxx\\xxxxxx\\test.pdf"));
byte[] contents = IOUtils.toByteArray(fileStream);
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.parseMediaType("application/pdf"));
String filename = "test.pdf";
headers.setContentDispositionFormData(filename, filename);
ResponseEntity<byte[]> response = new ResponseEntity<byte[]>(contents, headers, HttpStatus.OK);
return response;
} catch (FileNotFoundException e) {
System.err.println(e);
} catch (IOException e) {
System.err.println(e);
}
return null;
}
you can bind to multiple events by separating them with a space:
$(":input").on("keyup change", function(e) {
// do stuff!
})
docs here.
hope that helps. cheers!
<div id='parent' style='width: 100%;text-align:center;'>
<div id='child' style='width:50px; height:100px;margin:0px auto;'>Text</div>
</div>
try this:
#outer {
width:500px;
height:200px;
background:#FFCCCC;
margin:50px auto 0 auto;
display:table;
}
#inner {
background:#FFCC33;
margin:50px 50px 50px 50px;
padding:10px;
display:block;
}?
Good luck
I found the new version of Internet Explorer 8 (press F12) is very good to debug JavaScript code.
Of course, Firebug is good if you use Firefox.
After a Windows 10 update my VirtualBox Host-Only Ethernet Adapter was actually gone from the OS' network adapters (view these under Control Panel -> Network and Sharing Center -> Change adapter settings). Had to reinstall VirtualBox to bring that back to the OS.
Then in the newer version of VirtualBox, the host-only adapters are under Global Tools (top right) -> Host Network Manager. Make sure the DHCP Server is enabled for the adapter.
You can create a .htaccess file for the folder, wich should have denied access with
Deny from all
or you can redirect to a custom 404 page
Redirect /includes/ 404.html
import numpy as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
a = 1.0 * np.array(data)
n = len(a)
m, se = np.mean(a), scipy.stats.sem(a)
h = se * scipy.stats.t.ppf((1 + confidence) / 2., n-1)
return m, m-h, m+h
you can calculate like this way.
Have you thought about not using a factory at all, and instead making nice use of the type system? I can think of two different approaches which do this sort of thing:
Option 1:
struct linear {
linear(float x, float y) : x_(x), y_(y){}
float x_;
float y_;
};
struct polar {
polar(float angle, float magnitude) : angle_(angle), magnitude_(magnitude) {}
float angle_;
float magnitude_;
};
struct Vec2 {
explicit Vec2(const linear &l) { /* ... */ }
explicit Vec2(const polar &p) { /* ... */ }
};
Which lets you write things like:
Vec2 v(linear(1.0, 2.0));
Option 2:
you can use "tags" like the STL does with iterators and such. For example:
struct linear_coord_tag linear_coord {}; // declare type and a global
struct polar_coord_tag polar_coord {};
struct Vec2 {
Vec2(float x, float y, const linear_coord_tag &) { /* ... */ }
Vec2(float angle, float magnitude, const polar_coord_tag &) { /* ... */ }
};
This second approach lets you write code which looks like this:
Vec2 v(1.0, 2.0, linear_coord);
which is also nice and expressive while allowing you to have unique prototypes for each constructor.
Same error also come when UPPER or LOWER keyword not used in both place in select expression and group by expression .
Wrong :-
select a , count(*) from my_table group by UPPER(a) .
Right :-
select UPPER(a) , count(*) from my_table group by UPPER(a) .
Use
substring_index(`column`,',',1) ==> first value
substring_index(substring_index(`column`,',',-2),',',1)=> second value
substring_index(substring_index(`column`,',',-1),',',1)=> third value
in your where clause.
SELECT * FROM `table`
WHERE
substring_index(`column`,',',1)<0
AND
substring_index(`column`,',',1)>5
If Model.update
statement does not work for you, you can try like this:
try{
await sequelize.query('update posts set param=:param where conditionparam=:conditionparam', {replacements: {param: 'parameter', conditionparam:'condition'}, type: QueryTypes.UPDATE})
}
catch(err){
console.log(err)
}
Just include this line at the end of function and the Problem is solved easily!
document.getElementById("btnsubmit").value = "";
After some serious searching it seems i've found the answer to my question:
from: http://www.brunildo.org/test/Overflowxy2.html
In Gecko, Safari, Opera, ‘visible’ becomes ‘auto’ also when combined with ‘hidden’ (in other words: ‘visible’ becomes ‘auto’ when combined with anything else different from ‘visible’). Gecko 1.8, Safari 3, Opera 9.5 are pretty consistent among them.
also the W3C spec says:
The computed values of ‘overflow-x’ and ‘overflow-y’ are the same as their specified values, except that some combinations with ‘visible’ are not possible: if one is specified as ‘visible’ and the other is ‘scroll’ or ‘auto’, then ‘visible’ is set to ‘auto’. The computed value of ‘overflow’ is equal to the computed value of ‘overflow-x’ if ‘overflow-y’ is the same; otherwise it is the pair of computed values of ‘overflow-x’ and ‘overflow-y’.
Short Version:
If you are using visible
for either overflow-x
or overflow-y
and something other than visible
for the other, the visible
value is interpreted as auto
.
While all the answers given so far are perfectly valid, one should also keep in mind the google reflections library for a more generic and easy approach to annotation scanning, e.g.
Reflections reflections = new Reflections("my.project.prefix");
Set<Field> ids = reflections.getFieldsAnnotatedWith(javax.persistence.Id.class);
Here's a fairly simple way to achieve it by enclosing both the magnifying glass icon and the input field inside a div with relative positioning.
Absolute positioning is applied to the icon, which takes it out of the normal document layout flow. The icon is then positioned inside the input. Left padding is applied to the input so that the user's input appears to the right of the icon.
Note that this example places the magnifying glass icon on the left instead of the right. This is recommended when using <input type="search">
as Chrome adds an X button in the right side of the searchbox. If we placed the icon there it would overlay the X button and look fugly.
Here is the needed Bootstrap markup.
<div class="position-relative">
<i class="fa fa-search position-absolute"></i>
<input class="form-control" type="search">
</div>
...and a couple CSS classes for the things which I couldn't do with Bootstrap classes:
i {
font-size: 1rem;
color: #333;
top: .75rem;
left: .75rem
}
input {
padding-left: 2.5rem;
}
You may have to fiddle with the values for top, left, and padding-left.
You could alter the init script for neo4j
to do a ulimit -n 40000
before running neo4j
.
However, I can't help but feel you are barking up the wrong tree. Does neo4j
legitimately need more than 10,000 open file descriptors? This sounds very much like a bug in neo4j
or the way you are using it. I would try to address that.
Setting up borders in the style used in the cells will accomplish this. Example:
style.setBorderBottom(HSSFCellStyle.BORDER_MEDIUM);
style.setBorderTop(HSSFCellStyle.BORDER_MEDIUM);
style.setBorderRight(HSSFCellStyle.BORDER_MEDIUM);
style.setBorderLeft(HSSFCellStyle.BORDER_MEDIUM);
clean and rebuild the solution might not replace all the dll's from the output directory.
what i'll suggest is try renaming the folder from "bin" to "oldbin" or "obj" to "oldobj"
and then try build your silution again.
incase if you are using any third party dll's those you will need to copy into newly created "bin" or "obj" folder after successful build.
hope this will work for you.
In Rails 5+ you can simply use the function as demonstrated below with simple example:
module ApplicationHelper
# format datetime in the format #2018-12-01 12:12 PM
def datetime_format(datetime = nil)
if datetime
datetime.strftime('%Y-%m-%d %H:%M %p')
else
'NA'
end
end
end
class ExamplesController < ApplicationController
def index
current_datetime = helpers.datetime_format DateTime.now
raise current_datetime.inspect
end
end
OUTPUT
"2018-12-10 01:01 AM"
Laravel documentation example:
git pull https://github.com/laravel/docs.git 5.8
based on the command format:
git pull origin <branch>
You would usually use map for that kind of thing.
buttonsListArr = initialArr.map(buttonInfo => (
<Button ... key={buttonInfo[0]}>{buttonInfo[1]}</Button>
);
(key is a necessary prop whenever you do mapping in React. The key needs to be a unique identifier for the generated component)
As a side, I would use an object instead of an array. I find it looks nicer:
initialArr = [
{
id: 1,
color: "blue",
text: "text1"
},
{
id: 2,
color: "red",
text: "text2"
},
];
buttonsListArr = initialArr.map(buttonInfo => (
<Button ... key={buttonInfo.id}>{buttonInfo.text}</Button>
);
If it helps...
I use the PHP function number_format()
and the Narrow No-break Space ( 
). It is often used as an unambiguous thousands separator.
echo number_format(200000, 0, "", " ");
Because IE8 has some problems to render the Narrow No-break Space, I changed it for a SPAN
echo "<span class='number'>".number_format(200000, 0, "", "<span></span>")."</span>";
.number SPAN{
padding: 0 1px;
}
A few things I've noted:
For more information (and a great usage example) refer to the LunarLander project in the SDK 's examples section.
For Boto3 , use this code.
import boto3
from botocore.client import Config
s3 = boto3.resource('s3',
aws_access_key_id='xxxxxx',
aws_secret_access_key='xxxxxx',
region_name='us-south-1',
config=Config(signature_version='s3v4')
)
I believe instead of inheritance as suggested in accepted answer, it's better to use polymorphism. Otherwise you have to have a big if else statement to customize encoding of every object. That means create a generic default encoder for JSON as:
def jsonDefEncoder(obj):
if hasattr(obj, 'jsonEnc'):
return obj.jsonEnc()
else: #some default behavior
return obj.__dict__
and then have a jsonEnc()
function in each class you want to serialize. e.g.
class A(object):
def __init__(self,lengthInFeet):
self.lengthInFeet=lengthInFeet
def jsonEnc(self):
return {'lengthInMeters': lengthInFeet * 0.3 } # each foot is 0.3 meter
Then you call json.dumps(classInstance,default=jsonDefEncoder)
My first thought for a non-unicode version was to do something like this:
bool caseInsensitiveStringCompare(const string& str1, const string& str2) {
if (str1.size() != str2.size()) {
return false;
}
for (string::const_iterator c1 = str1.begin(), c2 = str2.begin(); c1 != str1.end(); ++c1, ++c2) {
if (tolower(static_cast<unsigned char>(*c1)) != tolower(static_cast<unsigned char>(*c2))) {
return false;
}
}
return true;
}
You can use Linq to XML to do this:
XDocument doc = XDocument.Load("input.xml");
var q = from node in doc.Descendants("Setting")
let attr = node.Attribute("name")
where attr != null && attr.Value == "File1"
select node;
q.ToList().ForEach(x => x.Remove());
doc.Save("output.xml");
If you are using Xcode 8.0+ and Swift 2.2+ or even Objective C:
If you want to allow HTTP connections to any site, you can use this keys:
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
If you know which domains you will connect to add:
<key>NSAppTransportSecurity</key>
<dict>
<key>NSExceptionDomains</key>
<dict>
<key>example.com</key>
<dict>
<key>NSExceptionAllowsInsecureHTTPLoads</key>
<true/>
<key>NSIncludesSubdomains</key>
<true/>
</dict>
</dict>
</dict>
The other answers already do a fantastic job explaining what declarative programming is, so I'm just going to provide some examples of why that might be useful.
Declarative Programs are context-independent. Because they only declare what the ultimate goal is, but not the intermediary steps to reach that goal, the same program can be used in different contexts. This is hard to do with imperative programs, because they often depend on the context (e.g. hidden state).
Take yacc
as an example. It's a parser generator aka. compiler compiler, an external declarative DSL for describing the grammar of a language, so that a parser for that language can automatically be generated from the description. Because of its context independence, you can do many different things with such a grammar:
yacc
)And many more …
Because you don't prescribe the computer which steps to take and in what order, it can rearrange your program much more freely, maybe even execute some tasks in parallel. A good example is a query planner and query optimizer for a SQL database. Most SQL databases allow you to display the query that they are actually executing vs. the query that you asked them to execute. Often, those queries look nothing like each other. The query planner takes things into account that you wouldn't even have dreamed of: rotational latency of the disk platter, for example or the fact that some completely different application for a completely different user just executed a similar query and the table that you are joining with and that you worked so hard to avoid loading is already in memory anyway.
There is an interesting trade-off here: the machine has to work harder to figure out how to do something than it would in an imperative language, but when it does figure it out, it has much more freedom and much more information for the optimization stage.
I didn't understand it until I played around with it myself, so I figured there would be others who were confused as well. Say you are working on the user whose id == 6
and whose no_of_logins == 30
when you start.
# 1 (bad)
user.no_of_logins += 1
# result: UPDATE user SET no_of_logins = 31 WHERE user.id = 6
# 2 (bad)
user.no_of_logins = user.no_of_logins + 1
# result: UPDATE user SET no_of_logins = 31 WHERE user.id = 6
# 3 (bad)
setattr(user, 'no_of_logins', user.no_of_logins + 1)
# result: UPDATE user SET no_of_logins = 31 WHERE user.id = 6
# 4 (ok)
user.no_of_logins = User.no_of_logins + 1
# result: UPDATE user SET no_of_logins = no_of_logins + 1 WHERE user.id = 6
# 5 (ok)
setattr(user, 'no_of_logins', User.no_of_logins + 1)
# result: UPDATE user SET no_of_logins = no_of_logins + 1 WHERE user.id = 6
By referencing the class instead of the instance, you can get SQLAlchemy to be smarter about incrementing, getting it to happen on the database side instead of the Python side. Doing it within the database is better since it's less vulnerable to data corruption (e.g. two clients attempt to increment at the same time with a net result of only one increment instead of two). I assume it's possible to do the incrementing in Python if you set locks or bump up the isolation level, but why bother if you don't have to?
If you are going to increment twice via code that produces SQL like SET no_of_logins = no_of_logins + 1
, then you will need to commit or at least flush in between increments, or else you will only get one increment in total:
# 6 (bad)
user.no_of_logins = User.no_of_logins + 1
user.no_of_logins = User.no_of_logins + 1
session.commit()
# result: UPDATE user SET no_of_logins = no_of_logins + 1 WHERE user.id = 6
# 7 (ok)
user.no_of_logins = User.no_of_logins + 1
session.flush()
# result: UPDATE user SET no_of_logins = no_of_logins + 1 WHERE user.id = 6
user.no_of_logins = User.no_of_logins + 1
session.commit()
# result: UPDATE user SET no_of_logins = no_of_logins + 1 WHERE user.id = 6
There is an RFC which covers it and says to use text/csv
.
This RFC updates RFC 4180.
Recently I discovered an explicit mimetype for Excel application/vnd.ms-excel. It was registered with IANA in '96. Note the concerns raised about being at the mercy of the sender and having your machine violated.
Media Type: application/vnd.ms-excel
Name Microsoft Excel (tm)
Required parameters: None
Optional parameters: name
Encoding considerations: base64 preferred
Security considerations: As with most application types this data is intended for interpretation by a program that understands the data on the recipient's system. Recipients need to understand that they are at the "mercy" of the sender, when receiving this type of data, since data will be executed on their system, and the security of their machines can be violated.
OID { org-id ms-files(4) ms-excel (3) }
Object type spreadsheet
Comments This Media Type/OID is used to identify Microsoft Excel generically (i.e., independent of version, subtype, or platform format).
I wasn't aware that vendor extensions were allowed. Check out this answer to find out more - thanks starbeamrainbowlabs for the reference.
The two are not exactly the same. I couldn't remember the exact differences, but they are outlined very well in What's quicker and better to determine if an array key exists in PHP?.
The common consensus seems to be to use isset whenever possible, because it is a language construct and therefore faster. However, the differences should be outlined above.
VS2010 has a property for 'Build Action', and also for 'Copy to Output Directory'. So an action of 'None' will still copy over to the build directory if the copy property is set to 'Copy if Newer' or 'Copy Always'.
So a Build Action of 'Content' should be reserved to indicate content you will access via 'Application.GetContentStream'
I used the 'Build Action' setting of 'None' and the 'Copy to Output Direcotry' setting of 'Copy if Newer' for some externally linked .config includes.
G.
Implode will combine an array into a string for you, but to make an SQL query out a kay/value pair you'll have to write your own function.
You could issue a "HEAD" request rather than a "GET"?
(edit) - lol! Looks like I've done this before!; changed to wiki to avoid accusations of rep-garnering. So to test a URL without the cost of downloading the content:
// using MyClient from linked post
using(var client = new MyClient()) {
client.HeadOnly = true;
// fine, no content downloaded
string s1 = client.DownloadString("http://google.com");
// throws 404
string s2 = client.DownloadString("http://google.com/silly");
}
You would try
/catch
around the DownloadString
to check for errors; no error? It exists...
With C# 2.0 (VS2005):
private bool headOnly;
public bool HeadOnly {
get {return headOnly;}
set {headOnly = value;}
}
and
using(WebClient client = new MyClient())
{
// code as before
}
As has already been suggested, Flexbox is the answer - particularly because you only need to support a single modern browser: Mobile Safari.
See: http://jsfiddle.net/thirtydot/hLUHL/
You can remove the -moz-
prefixed properties if you like, I just left them in for future readers.
#blockContainer {_x000D_
display: -webkit-box;_x000D_
display: -moz-box;_x000D_
display: box;_x000D_
_x000D_
-webkit-box-orient: vertical;_x000D_
-moz-box-orient: vertical;_x000D_
box-orient: vertical;_x000D_
}_x000D_
#blockA {_x000D_
-webkit-box-ordinal-group: 2;_x000D_
-moz-box-ordinal-group: 2;_x000D_
box-ordinal-group: 2;_x000D_
}_x000D_
#blockB {_x000D_
-webkit-box-ordinal-group: 3;_x000D_
-moz-box-ordinal-group: 3;_x000D_
box-ordinal-group: 3;_x000D_
}
_x000D_
<div id="blockContainer">_x000D_
<div id="blockA">Block A</div>_x000D_
<div id="blockB">Block B</div>_x000D_
<div id="blockC">Block C</div>_x000D_
</div>
_x000D_
Below is a simple function implementation which splits a DataFrame to chunks and a few code examples:
import pandas as pd
def split_dataframe_to_chunks(df, n):
df_len = len(df)
count = 0
dfs = []
while True:
if count > df_len-1:
break
start = count
count += n
#print("%s : %s" % (start, count))
dfs.append(df.iloc[start : count])
return dfs
# Create a DataFrame with 10 rows
df = pd.DataFrame([i for i in range(10)])
# Split the DataFrame to chunks of maximum size 2
split_df_to_chunks_of_2 = split_dataframe_to_chunks(df, 2)
print([len(i) for i in split_df_to_chunks_of_2])
# prints: [2, 2, 2, 2, 2]
# Split the DataFrame to chunks of maximum size 3
split_df_to_chunks_of_3 = split_dataframe_to_chunks(df, 3)
print([len(i) for i in split_df_to_chunks_of_3])
# prints [3, 3, 3, 1]
You will have to use a class, but don't worry, it's pretty simple. First we'll assign your :hover
rules to not only apply to physically-hovered links, but also to links that have the classname hovered
.
a:hover, a.hovered { color: #ccff00; }
Next, when you click #btn
, we'll toggle the .hovered
class on the #link
.
$("#btn").click(function() {
$("#link").toggleClass("hovered");
});
If the link has the class already, it will be removed. If it doesn't have the class, it will be added.
int[][] matrix = {
{1,2,3},
{4,5,6},
{7,8,9}
};
//use foreach loop as below to avoid IndexOutOfBoundException
//need to check matrix != null if implements as a method
//for each row in the matrix
for (int[] row : matrix) {
//for each number in the row
for (int j : row) {
System.out.print(j + " ");
}
System.out.println("");
}
Software Tools by by Brian W. Kernighan and P. J. Plauger
It had a profound influence on how I write software.
There is no fixed limit on how large a JSON data block is or any of the fields.
There are limits to how much JSON the JavaScript implementation of various browsers can handle (e.g. around 40MB in my experience). See this question for example.
The issue is that you are not able to get a connection to MYSQL database and hence it is throwing an error saying that cannot build a session factory.
Please see the error below:
Caused by: java.sql.SQLException: Access denied for user ''@'localhost' (using password: NO)
which points to username
not getting populated
.
Please recheck system properties
dataSource.setUsername(System.getProperty("root"));
some packages seems to be missing as well pointing to a dependency issue:
package org.gjt.mm.mysql does not exist
Please run a mvn dependency:tree
command to check for dependencies
In cases where you have multiple directives on a single DOM element and where the
order in which they’re applied matters, you can use the priority
property to order their
application. Higher numbers run first. The default priority is 0 if you don’t specify one.
EDIT: after the discussion, here's the complete working solution. The key was to remove the attribute: element.removeAttr("common-things");
, and also element.removeAttr("data-common-things");
(in case users specify data-common-things
in the html)
angular.module('app')
.directive('commonThings', function ($compile) {
return {
restrict: 'A',
replace: false,
terminal: true, //this setting is important, see explanation below
priority: 1000, //this setting is important, see explanation below
compile: function compile(element, attrs) {
element.attr('tooltip', '{{dt()}}');
element.attr('tooltip-placement', 'bottom');
element.removeAttr("common-things"); //remove the attribute to avoid indefinite loop
element.removeAttr("data-common-things"); //also remove the same attribute with data- prefix in case users specify data-common-things in the html
return {
pre: function preLink(scope, iElement, iAttrs, controller) { },
post: function postLink(scope, iElement, iAttrs, controller) {
$compile(iElement)(scope);
}
};
}
};
});
Working plunker is available at: http://plnkr.co/edit/Q13bUt?p=preview
Or:
angular.module('app')
.directive('commonThings', function ($compile) {
return {
restrict: 'A',
replace: false,
terminal: true,
priority: 1000,
link: function link(scope,element, attrs) {
element.attr('tooltip', '{{dt()}}');
element.attr('tooltip-placement', 'bottom');
element.removeAttr("common-things"); //remove the attribute to avoid indefinite loop
element.removeAttr("data-common-things"); //also remove the same attribute with data- prefix in case users specify data-common-things in the html
$compile(element)(scope);
}
};
});
Explanation why we have to set terminal: true
and priority: 1000
(a high number):
When the DOM is ready, angular walks the DOM to identify all registered directives and compile the directives one by one based on priority
if these directives are on the same element. We set our custom directive's priority to a high number to ensure that it will be compiled first and with terminal: true
, the other directives will be skipped after this directive is compiled.
When our custom directive is compiled, it will modify the element by adding directives and removing itself and use $compile service to compile all the directives (including those that were skipped).
If we don't set terminal:true
and priority: 1000
, there is a chance that some directives are compiled before our custom directive. And when our custom directive uses $compile to compile the element => compile again the already compiled directives. This will cause unpredictable behavior especially if the directives compiled before our custom directive have already transformed the DOM.
For more information about priority and terminal, check out How to understand the `terminal` of directive?
An example of a directive that also modifies the template is ng-repeat
(priority = 1000), when ng-repeat
is compiled, ng-repeat
make copies of the template element before other directives get applied.
Thanks to @Izhaki's comment, here is the reference to ngRepeat
source code: https://github.com/angular/angular.js/blob/master/src/ng/directive/ngRepeat.js
Try using Select instead of Print
DECLARE @Test AS DATETIME
SET @Test = '2011-02-15'
Select @Test
@Autowired
private RestOperations restTemplate;
You can only autowire interfaces with implementations.
The Newest MySQL Versions have the new BIT
data type in which you can specify the number of bits in the field, for example BIT(1)
to use as Boolean
type, because it can be only 0
or 1
.
Which model is the "best fitting model" depends on what you mean by "best". R has tools to help, but you need to provide the definition for "best" to choose between them. Consider the following example data and code:
x <- 1:10
y <- x + c(-0.5,0.5)
plot(x,y, xlim=c(0,11), ylim=c(-1,12))
fit1 <- lm( y~offset(x) -1 )
fit2 <- lm( y~x )
fit3 <- lm( y~poly(x,3) )
fit4 <- lm( y~poly(x,9) )
library(splines)
fit5 <- lm( y~ns(x, 3) )
fit6 <- lm( y~ns(x, 9) )
fit7 <- lm( y ~ x + cos(x*pi) )
xx <- seq(0,11, length.out=250)
lines(xx, predict(fit1, data.frame(x=xx)), col='blue')
lines(xx, predict(fit2, data.frame(x=xx)), col='green')
lines(xx, predict(fit3, data.frame(x=xx)), col='red')
lines(xx, predict(fit4, data.frame(x=xx)), col='purple')
lines(xx, predict(fit5, data.frame(x=xx)), col='orange')
lines(xx, predict(fit6, data.frame(x=xx)), col='grey')
lines(xx, predict(fit7, data.frame(x=xx)), col='black')
Which of those models is the best? arguments could be made for any of them (but I for one would not want to use the purple one for interpolation).
First, remove the old version:
If installed via apt-get
sudo apt-get remove docker-compose
If installed via curl
sudo rm /usr/local/bin/docker-compose
If installed via pip
pip uninstall docker-compose
Then find the newest version on the release page at GitHub or by curling the API if you have jq
installed (thanks to dragon788 and frbl for this improvement):
VERSION=$(curl --silent https://api.github.com/repos/docker/compose/releases/latest | jq .name -r)
Finally, download to your favorite $PATH-accessible location and set permissions:
DESTINATION=/usr/local/bin/docker-compose
sudo curl -L https://github.com/docker/compose/releases/download/${VERSION}/docker-compose-$(uname -s)-$(uname -m) -o $DESTINATION
sudo chmod 755 $DESTINATION
setGame
has been discontinued. You must use client.user.setActivity
.
Don't forget, if you are setting a streaming status, you MUST specify a Twitch URL
An example is here:
client.user.setActivity("with depression", {
type: "STREAMING",
url: "https://www.twitch.tv/example-url"
});
Try the below complete example for the same
<?php
$objPHPExcel = new PHPExcel();
$query1 = "SELECT * FROM employee";
$exec1 = mysql_query($query1) or die ("Error in Query1".mysql_error());
$serialnumber=0;
//Set header with temp array
$tmparray =array("Sr.Number","Employee Login","Employee Name");
//take new main array and set header array in it.
$sheet =array($tmparray);
while ($res1 = mysql_fetch_array($exec1))
{
$tmparray =array();
$serialnumber = $serialnumber + 1;
array_push($tmparray,$serialnumber);
$employeelogin = $res1['employeelogin'];
array_push($tmparray,$employeelogin);
$employeename = $res1['employeename'];
array_push($tmparray,$employeename);
array_push($sheet,$tmparray);
}
header('Content-type: application/vnd.ms-excel');
header('Content-Disposition: attachment; filename="name.xlsx"');
$worksheet = $objPHPExcel->getActiveSheet();
foreach($sheet as $row => $columns) {
foreach($columns as $column => $data) {
$worksheet->setCellValueByColumnAndRow($column, $row + 1, $data);
}
}
//make first row bold
$objPHPExcel->getActiveSheet()->getStyle("A1:I1")->getFont()->setBold(true);
$objPHPExcel->setActiveSheetIndex(0);
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
?>
Vertical Bar UP For Down in red color :
using System;
using System.Windows.Forms;
using System.Drawing;
public class VerticalProgressBar : ProgressBar
{
protected override CreateParams CreateParams
{
get
{
CreateParams cp = base.CreateParams;
cp.Style |= 0x04;
return cp;
}
}
private SolidBrush brush = null;
public VerticalProgressBar()
{
this.SetStyle(ControlStyles.UserPaint, true);
}
protected override void OnPaint(PaintEventArgs e)
{
if (brush == null || brush.Color != this.ForeColor)
brush = new SolidBrush(this.ForeColor);
Rectangle rec = new Rectangle(0, 0, this.Width, this.Height);
if (ProgressBarRenderer.IsSupported)
ProgressBarRenderer.DrawVerticalBar(e.Graphics, rec);
rec.Height = (int)(rec.Height * ((double)Value / Maximum)) - 4;
rec.Width = rec.Width - 4;
e.Graphics.FillRectangle(brush, 2, 2, rec.Width, rec.Height);
}
}
I will elaborate more on how exactly does dp convert to px:
150 x 150 px
image will take up 150 * 150 dp
of screen space.150 x 150 px
image will take up 100 * 100 dp
of screen space.150x150 px
image will take up 75 * 75 dp
of screen space.The other way around: say, you want to add an image to your application and you need it to fill a 100 * 100 dp
control. You'll need to create different size images for supported screen sizes:
100 * 100 px
image for mdpi150 * 150 px
image for hdpi200 * 200 px
image for xhdpiToo much magic.
You can solve it by making the iframe in javascript
document.write(" <iframe id='frame' name='frame' src='" + srcstring + "' width='600' height='315' allowfullscreen></iframe>");
_x000D_
Use jquery.ajaxchimp plugin to achieve that. It's dead easy!
<form method="post" action="YOUR_SUBSCRIBE_URL_HERE">
<input type="text" name="EMAIL" placeholder="e-mail address" />
<input type="submit" name="subscribe" value="subscribe!" />
<p class="result"></p>
</form>
JavaScript:
$(function() {
$('form').ajaxChimp({
callback: function(response) {
$('form .result').text(response.msg);
}
});
})
Here are some useful delete operations for mongodb using mongo shell
To delete particular document in collections: db.mycollection.remove( {name:"stack"} )
To delete all documents in collections: db.mycollection.remove()
To delete any particular collection : db.mycollection.drop()
to delete database :
first go to that database by use mydb
command and then
db.dropDatabase()
This is a list of available colours (both background and foreground) in the console with some available actions (like reset, reverse, etc).
const colours = {
reset: "\x1b[0m",
bright: "\x1b[1m",
dim: "\x1b[2m",
underscore: "\x1b[4m",
blink: "\x1b[5m",
reverse: "\x1b[7m",
hidden: "\x1b[8m",
fg: {
black: "\x1b[30m",
red: "\x1b[31m",
green: "\x1b[32m",
yellow: "\x1b[33m",
blue: "\x1b[34m",
magenta: "\x1b[35m",
cyan: "\x1b[36m",
white: "\x1b[37m",
crimson: "\x1b[38m" // Scarlet
},
bg: {
black: "\x1b[40m",
red: "\x1b[41m",
green: "\x1b[42m",
yellow: "\x1b[43m",
blue: "\x1b[44m",
magenta: "\x1b[45m",
cyan: "\x1b[46m",
white: "\x1b[47m",
crimson: "\x1b[48m"
}
};
Here's an example of how to use it:
console.log(colours.bg.blue, colours.fg.white, "I am a white message with a blue background", colours.reset) ;
// Make sure that you don't forget "colours.reset" at the so that you can reset the console back to it's original colours.
Or you can install some utility modules:
npm install console-info console-warn console-error --save-dev
These modules will show something like the following to the console when you use them:
declare @n int = 7,
@m int = 3;
select
case
when @n = 1 then
'SOMETEXT'
else
case
when @m = 1 then
'SOMEOTHERTEXT'
when @m = 2 then
'SOMEOTHERTEXTGOESHERE'
end
end as col1
-- n=1 => returns SOMETEXT regardless of @m
-- n=2 and m=1 => returns SOMEOTHERTEXT
-- n=2 and m=2 => returns SOMEOTHERTEXTGOESHERE
-- n=2 and m>2 => returns null (no else defined for inner case)
I also found another one for SQL Server:
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
WHERE OBJECTPROPERTY(OBJECT_ID(CONSTRAINT_SCHEMA + '.' + QUOTENAME(CONSTRAINT_NAME)), 'IsPrimaryKey') = 1
AND TABLE_NAME = 'TableName' AND TABLE_SCHEMA = 'Schema'
Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml
under res/layout
directory which contains only one button.
Filename: activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="62dp"
android:layout_marginTop="50dp"
android:text="Show Popup" />
</RelativeLayout>
Create a file popup_menu.xml
under res/menu
directory
It contains three items as shown below.
Filename: poupup_menu.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="@+id/one"
android:title="One"/>
<item
android:id="@+id/two"
android:title="Two"/>
<item
android:id="@+id/three"
android:title="Three"/>
</menu>
MainActivity class which displays the popup menu on button click.
Filename: MainActivity.java
public class MainActivity extends Activity {
private Button button1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Creating the instance of PopupMenu
PopupMenu popup = new PopupMenu(MainActivity.this, button1);
//Inflating the Popup using xml file
popup.getMenuInflater()
.inflate(R.menu.popup_menu, popup.getMenu());
//registering popup with OnMenuItemClickListener
popup.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
Toast.makeText(
MainActivity.this,
"You Clicked : " + item.getTitle(),
Toast.LENGTH_SHORT
).show();
return true;
}
});
popup.show(); //showing popup menu
}
}); //closing the setOnClickListener method
}
}
To add programmatically:
PopupMenu menu = new PopupMenu(this, view);
menu.getMenu().add("One");
menu.getMenu().add("Two");
menu.getMenu().add("Three");
menu.show();
Follow this link for creating menu programmatically.
Here's how to do it from a csv:
import numpy as np
import matplotlib.pyplot as plt
from scipy.interpolate import griddata
# Load data from CSV
dat = np.genfromtxt('dat.xyz', delimiter=' ',skip_header=0)
X_dat = dat[:,0]
Y_dat = dat[:,1]
Z_dat = dat[:,2]
# Convert from pandas dataframes to numpy arrays
X, Y, Z, = np.array([]), np.array([]), np.array([])
for i in range(len(X_dat)):
X = np.append(X, X_dat[i])
Y = np.append(Y, Y_dat[i])
Z = np.append(Z, Z_dat[i])
# create x-y points to be used in heatmap
xi = np.linspace(X.min(), X.max(), 1000)
yi = np.linspace(Y.min(), Y.max(), 1000)
# Interpolate for plotting
zi = griddata((X, Y), Z, (xi[None,:], yi[:,None]), method='cubic')
# I control the range of my colorbar by removing data
# outside of my range of interest
zmin = 3
zmax = 12
zi[(zi<zmin) | (zi>zmax)] = None
# Create the contour plot
CS = plt.contourf(xi, yi, zi, 15, cmap=plt.cm.rainbow,
vmax=zmax, vmin=zmin)
plt.colorbar()
plt.show()
where dat.xyz
is in the form
x1 y1 z1
x2 y2 z2
...
For completeness, in addition to previous answers (perform calculation of visible people inside controller) you can also perform that calculations in your HTML template as in the example below.
Assuming your list of people is in data
variable and you filter people using query
model, the following code will work for you:
<p>Number of visible people: {{(data|filter:query).length}}</p>
<p>Total number of people: {{data.length}}</p>
{{data.length}}
- prints total number of people{{(data|filter:query).length}}
- prints filtered number of peopleNote that this solution works fine if you want to use filtered data only once in a page. However, if you use filtered data more than once e.g. to present items and to show length of filtered list, I would suggest using alias expression (described below) for AngularJS 1.3+ or the solution proposed by @Wumms for AngularJS version prior to 1.3.
New Feature in Angular 1.3
AngularJS creators also noticed that problem and in version 1.3 (beta 17) they added "alias" expression which will store the intermediate results of the repeater after the filters have been applied e.g.
<div ng-repeat="person in data | filter:query as results">
<!-- template ... -->
</div>
<p>Number of visible people: {{results.length}}</p>
The alias expression will prevent multiple filter execution issue.
I hope that will help.