I just want to thank @Heapify for providing a practical answer and update his answer because the attached links are not up-to-date.
Step 1: Check the existing kernel of your Ubuntu Linux:
uname -a
Step 2:
Ubuntu maintains a website for all the versions of kernel that have been released. At the time of this writing, the latest stable release of Ubuntu kernel is 4.15. If you go to this link: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15/, you will see several links for download.
Step 3:
Download the appropriate files based on the type of OS you have. For 64 bit, I would download the following deb files:
// UP-TO-DATE 2019-03-18
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15/linux-headers-4.15.0-041500_4.15.0-041500.201802011154_all.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15/linux-headers-4.15.0-041500-generic_4.15.0-041500.201802011154_amd64.deb
wget https://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15/linux-image-4.15.0-041500-generic_4.15.0-041500.201802011154_amd64.deb
Step 4:
Install all the downloaded deb files:
sudo dpkg -i *.deb
Step 5:
Reboot your machine and check if the kernel has been updated by:
uname -aenter code here
To compile TensorFlow with SSE4.2 and AVX, you can use directly
bazel build --config=mkl --config="opt" --copt="-march=broadwell" --copt="-O3" //tensorflow/tools/pip_package:build_pip_package
Ok, first launch an ipython shell
from the terminal and import
TensorFlow:
$ ipython --pylab
Python 3.6.5 |Anaconda custom (64-bit)| (default, Apr 29 2018, 16:14:56)
Type 'copyright', 'credits' or 'license' for more information
IPython 6.4.0 -- An enhanced Interactive Python. Type '?' for help.
Using matplotlib backend: Qt5Agg
In [1]: import tensorflow as tf
Now, we can watch the GPU memory usage in a console using the following command:
# realtime update for every 2s
$ watch -n 2 nvidia-smi
Since we've only import
ed TensorFlow but have not used any GPU yet, the usage stats will be:
Notice how the GPU memory usage is very less (~ 700MB); Sometimes the GPU memory usage might even be as low as 0 MB.
Now, let's load the GPU in our code. As indicated in tf documentation
, do:
In [2]: sess = tf.Session(config=tf.ConfigProto(log_device_placement=True))
Now, the watch stats should show an updated GPU usage memory as below:
Observe now how our Python process from the ipython shell is using ~ 7 GB of the GPU memory.
P.S. You can continue watching these stats as the code is running, to see how intense the GPU usage is over time.
for tensorflow 2.1.0, following code works fine.
import tensorflow as tf
tf.compat.v1.logging.set_verbosity(tf.compat.v1.logging.ERROR)
You can also try this.
File file = new File(strDirectoy,imgname);
OutputStream fOut = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.JPEG, 85, fOut);
fOut.flush();
fOut.close();
MediaStore.Images.Media.insertImage(getContentResolver(),file.getAbsolutePath(),file.getName(),file.getName());
Just an update for Mysqli users :
$base= mysqli_connect($dbhost, $dbuser, $dbpass, $dbbase);
if (mysqli_connect_errno())
die('Could not connect: ' . mysql_error());
$return_arr = array();
if ($result = mysqli_query( $base, $sql )){
while ($row = mysqli_fetch_assoc($result)) {
$row_array['id'] = $row['id'];
$row_array['col1'] = $row['col1'];
$row_array['col2'] = $row['col2'];
array_push($return_arr,$row_array);
}
}
mysqli_close($base);
echo json_encode($return_arr);
Here is my answer using the group by clause.
SELECT *
FROM feeds f
LEFT JOIN
(
SELECT artist_id, feed_id
FROM feeds_artists
GROUP BY artist_id, feed_id
) fa ON fa.feed_id = f.id
LEFT JOIN artists a ON a.artist_id = fa.artist_id
the function Position
in funprog {base} also does the job. It allows you to pass an arbitrary function, and returns the first or last match.
Position(f, x, right = FALSE, nomatch = NA_integer)
I am new to AJAX and I have tried this and it works well.
function q1mrks(country,m) {
// alert("hellow");
if (country.length==0) {
//alert("hellow");
document.getElementById("q1mrks").innerHTML="";
return;
}
if (window.XMLHttpRequest) {
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
} else {
// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4 && xmlhttp.status==200) {
document.getElementById("q1mrks").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","../location/cal_marks.php?q1mrks="+country+"&marks="+m,true);
//mygetrequest.open("GET", "basicform.php?name="+namevalue+"&age="+agevalue, true)
xmlhttp.send();
}
This worked for me for a format like YYYY.MM.DD-HH.MM.SS.fff. Attempting to make this code capable of accepting any string format will be like reinventing the wheel (i.e. there are functions for all this in Boost.
std::chrono::system_clock::time_point string_to_time_point(const std::string &str)
{
using namespace std;
using namespace std::chrono;
int yyyy, mm, dd, HH, MM, SS, fff;
char scanf_format[] = "%4d.%2d.%2d-%2d.%2d.%2d.%3d";
sscanf(str.c_str(), scanf_format, &yyyy, &mm, &dd, &HH, &MM, &SS, &fff);
tm ttm = tm();
ttm.tm_year = yyyy - 1900; // Year since 1900
ttm.tm_mon = mm - 1; // Month since January
ttm.tm_mday = dd; // Day of the month [1-31]
ttm.tm_hour = HH; // Hour of the day [00-23]
ttm.tm_min = MM;
ttm.tm_sec = SS;
time_t ttime_t = mktime(&ttm);
system_clock::time_point time_point_result = std::chrono::system_clock::from_time_t(ttime_t);
time_point_result += std::chrono::milliseconds(fff);
return time_point_result;
}
std::string time_point_to_string(std::chrono::system_clock::time_point &tp)
{
using namespace std;
using namespace std::chrono;
auto ttime_t = system_clock::to_time_t(tp);
auto tp_sec = system_clock::from_time_t(ttime_t);
milliseconds ms = duration_cast<milliseconds>(tp - tp_sec);
std::tm * ttm = localtime(&ttime_t);
char date_time_format[] = "%Y.%m.%d-%H.%M.%S";
char time_str[] = "yyyy.mm.dd.HH-MM.SS.fff";
strftime(time_str, strlen(time_str), date_time_format, ttm);
string result(time_str);
result.append(".");
result.append(to_string(ms.count()));
return result;
}
I think this should do the trick (untested):
Page.Response.Redirect(Page.Request.Url.ToString(), true);
I think you have multiple adb server running, genymotion could be one of them, but also Xamarin - Visual studio for mac OS could be running an adb server, closing Visual studio worked for me
I use http://wiltgen.net/objecty/, it helps to embed media content and avoid the IE "click to activate" problem.
You could implement it like this:
@SuppressWarnings("unchecked")
public <T extends Animal> T callFriend(String name) {
return (T)friends.get(name);
}
(Yes, this is legal code; see Java Generics: Generic type defined as return type only.)
The return type will be inferred from the caller. However, note the @SuppressWarnings
annotation: that tells you that this code isn't typesafe. You have to verify it yourself, or you could get ClassCastExceptions
at runtime.
Unfortunately, the way you're using it (without assigning the return value to a temporary variable), the only way to make the compiler happy is to call it like this:
jerry.<Dog>callFriend("spike").bark();
While this may be a little nicer than casting, you are probably better off giving the Animal
class an abstract talk()
method, as David Schmitt said.
None of the above was suitable, without calling session_start() in all php files that depend on $Session variables they will not be included. The Notice is so annoying and quickly fill up the Error_log. The only solution that I can find that works is this....
error_reporting(E_ALL ^ E_NOTICE);
session_start();
A Bad fix , but it works.
const int* ptr;
here think like *ptr is constant and *ptr can't be change again
int * const ptr;
while here think like ptr as a constant and that can't be change again
imho: Apache HTTP Client
usage example:
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.httpclient.params.HttpMethodParams;
import java.io.*;
public class HttpClientTutorial {
private static String url = "http://www.apache.org/";
public static void main(String[] args) {
// Create an instance of HttpClient.
HttpClient client = new HttpClient();
// Create a method instance.
GetMethod method = new GetMethod(url);
// Provide custom retry handler is necessary
method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
new DefaultHttpMethodRetryHandler(3, false));
try {
// Execute the method.
int statusCode = client.executeMethod(method);
if (statusCode != HttpStatus.SC_OK) {
System.err.println("Method failed: " + method.getStatusLine());
}
// Read the response body.
byte[] responseBody = method.getResponseBody();
// Deal with the response.
// Use caution: ensure correct character encoding and is not binary data
System.out.println(new String(responseBody));
} catch (HttpException e) {
System.err.println("Fatal protocol violation: " + e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.err.println("Fatal transport error: " + e.getMessage());
e.printStackTrace();
} finally {
// Release the connection.
method.releaseConnection();
}
}
}
some highlight features:
As this option may need in many different manners, i reached to conclusion to develop an object so that it can be used in different scenarios and in future projects
first add this class to your project
public class SelectListDefaults
{
private IList<SelectListItem> getDefaultItems = new List<SelectListItem>();
public SelectListDefaults()
{
this.AddDefaultItem("(All)", "-1");
}
public SelectListDefaults(string text, string value)
{
this.AddDefaultItem(text, value);
}
public IList<SelectListItem> GetDefaultItems
{
get
{
return getDefaultItems;
}
}
public void AddDefaultItem(string text, string value)
{
getDefaultItems.Add(new SelectListItem() { Text = text, Value = value });
}
}
Now in Controller Action you can do like this
// Now you can do like this
ViewBag.MainCategories = new SelectListDefaults().GetDefaultItems.Concat(new SelectList(db.MainCategories, "MainCategoryID", "Name", Request["DropDownListMainCategory"] ?? "-1"));
// Or can change it by such a simple way
ViewBag.MainCategories = new SelectListDefaults("Any","0").GetDefaultItems.Concat(new SelectList(db.MainCategories, "MainCategoryID", "Name", Request["DropDownListMainCategory"] ?? "0"));
// And even can add more options
SelectListDefaults listDefaults = new SelectListDefaults();
listDefaults.AddDefaultItme("(Top 5)", "-5");
// If Top 5 selected by user, you may need to do something here with db.MainCategories, or pass in parameter to method
ViewBag.MainCategories = listDefaults.GetDefaultItems.Concat(new SelectList(db.MainCategories, "MainCategoryID", "Name", Request["DropDownListMainCategory"] ?? "-1"));
And finally in View you will code like this.
@Html.DropDownList("DropDownListMainCategory", (IEnumerable<SelectListItem>)ViewBag.MainCategories, new { @class = "form-control", onchange = "this.form.submit();" })
This is cleaner way I am doing and it just works great
if (floor(NSFoundationVersionNumber) < NSFoundationVersionNumber_iOS_8_0)
[[UIApplication sharedApplication] registerForRemoteNotificationTypes:UIRemoteNotificationTypeBadge|
UIRemoteNotificationTypeAlert| UIRemoteNotificationTypeSound];
else {
[application registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge) categories:nil]];
[application registerForRemoteNotifications];
}
Html.RenderPartial() is a void method - you can check whether a method is a void method by placing your mouse over the call to RenderPartial in your code and you will see the text (extension) void HtmlHelper.RenderPartial...
Void methods require a semicolon at the end of the calling code.
In the Webforms view engine you would have encased your Html.RenderPartial() call within the bee stings <% %>
like so
<% Html.RenderPartial("Path/to/my/partial/view"); %>
when you are using the Razor view engine the equivalent is
@{Html.RenderPartial("Path/to/my/partial/view");}
Swift 2.0 solution is here:
let urlStr = “http://url_to_manage_post_requests”
let url = NSURL(string: urlStr)
let request: NSMutableURLRequest =
NSMutableURLRequest(URL: url!) request.HTTPMethod = "POST"
request.setValue(“application/json” forHTTPHeaderField:”Content-Type”)
request.timeoutInterval = 60.0
//additional headers
request.setValue(“deviceIDValue”, forHTTPHeaderField:”DeviceId”)
let bodyStr = “string or data to add to body of request”
let bodyData = bodyStr.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: true)
request.HTTPBody = bodyData
let session = NSURLSession.sharedSession()
let task = session.dataTaskWithRequest(request){
(data: NSData?, response: NSURLResponse?, error: NSError?) -> Void in
if let httpResponse = response as? NSHTTPURLResponse {
print("responseCode \(httpResponse.statusCode)")
}
if error != nil {
// You can handle error response here
print("\(error)")
}else {
//Converting response to collection formate (array or dictionary)
do{
let jsonResult: AnyObject = (try NSJSONSerialization.JSONObjectWithData(data!, options:
NSJSONReadingOptions.MutableContainers))
//success code
}catch{
//failure code
}
}
}
task.resume()
File > Workspace Settings > Set Build system to "Legacy Build System"
CREATE OR REPLACE PROCEDURE ADDEMP
(xml IN CLOB)
AS
BEGIN
INSERT INTO EMPLOYEE (EMPID,EMPNAME,EMPDETAIL,CREATEDBY,CREATED)
SELECT
ExtractValue(column_value,'/ROOT/EMPID') AS EMPID
,ExtractValue(column_value,'/ROOT/EMPNAME') AS EMPNAME
,ExtractValue(column_value,'/ROOT/EMPDETAIL') AS EMPDETAIL
,ExtractValue(column_value,'/ROOT/CREATEDBY') AS CREATEDBY
,ExtractValue(column_value,'/ROOT/CREATEDDATE') AS CREATEDDATE
FROM TABLE(XMLSequence( XMLType(xml))) XMLDUMMAY;
COMMIT;
END;
Windows, many times it will not recognize the device fully and because of driver issues, the device won't show up.
1).go to settings
2).control panel
3).hardware and sound
4).device manager
You need to declare the array in the HTML via
<input type="checkbox" name="Days[]" value="Daily">
Also you can insert multiple items with one query like this
$query = "INSERT INTO example (orange) VALUES ";
for ($i=0; $i<count($checkBox); $i++)
$query .= "('" . $checkBox[$i] . "'),";
$query = rtrim($query,',');
mysql_query($query) or die (mysql_error() );
Also keep in mind that mysql_*
functions are officially deprecated and hence should not be used in new code. You can use PDO or MySQLi instead. See this answer on SO for more information.
int newArrayLength = 30;
int[] newArray = new int[newArrayLength];
System.arrayCopy(oldArray, 0, newArray, 0, newArray.length);
An MSI is a Windows Installer database. Windows Installer (a service installed with Windows) uses this to install software on your system (i.e. copy files, set registry values, etc...).
A setup.exe may either be a bootstrapper or a non-msi installer. A non-msi installer will extract the installation resources from itself and manage their installation directly. A bootstrapper will contain an MSI instead of individual files. In this case, the setup.exe will call Windows Installer to install the MSI.
Some reasons you might want to use a setup.exe:
Another occurrence of a NullPointerException
occurs when one declares an object array, then immediately tries to dereference elements inside of it.
String[] phrases = new String[10];
String keyPhrase = "Bird";
for(String phrase : phrases) {
System.out.println(phrase.equals(keyPhrase));
}
This particular NPE can be avoided if the comparison order is reversed; namely, use .equals
on a guaranteed non-null object.
All elements inside of an array are initialized to their common initial value; for any type of object array, that means that all elements are null
.
You must initialize the elements in the array before accessing or dereferencing them.
String[] phrases = new String[] {"The bird", "A bird", "My bird", "Bird"};
String keyPhrase = "Bird";
for(String phrase : phrases) {
System.out.println(phrase.equals(keyPhrase));
}
If you use oh-my-zsh (which every trendy geek should use), after activating the "osx" plugin in .zshrc
, simply enter the tab
command; it will open a new tab and cd
in the directory your were on.
M refers to the first non-ambiguous character in "decimal". If you don't add it the number will be treated as a double.
D is double.
When you hit command :help move
in vim
, here is the result:
:[range]m[ove] {address} *:m* *:mo* *:move* *E134*
Move the lines given by [range] to below the line
given by {address}.
E.g: Move current line one line down => :m+1
.
E.g: Move line with number 100 below the line with number 80 => :100 m 80
.
E.g: Move line with number 100 below the line with number 200 => :100 m 200
.
E.g: Move lines with number within [100, 120] below the line with number 200 => :100,120 m 200
.
Alternatively, try using .html
and then wrap with <pre>
tags:
$(someElem).html('this\n has\n newlines').wrap('<pre />');
@ECHO OFF
SETLOCAL
SET "string=string1 by string2.txt"
SET "string=%string:* by =%"
ECHO +%string%+
GOTO :EOF
The above SET command will remove the unwanted data. Result shown between + to demonstrate absence of spaces.
Formula: set var=%somevar:*string1=string2%
will assign to var the value of somevar with all characters up to string1 replaced by string2. The enclosing quotes in a set command ensure that any stray trailing spaces on the line are not included in the value assigned.
The initial width of a block level element like div or p is auto.
Use width:auto to undo explicitly specified widths.
if you specify width:100%, the element’s total width will be 100% of its containing block plus any horizontal margin, padding and border.
So, next time you find yourself setting the width of a block level element to 100% to make it occupy all available width, consider if what you really want is setting it to auto.
Unfortunately I found solutions presented by @dualed have various flaws.
Using substr($sapi_type, 0, 3) == 'cgi'
is not enogh to detect fast CGI. When using PHP-FPM FastCGI Process Manager, php_sapi_name()
returns fpm not cgi
Fasctcgi and php-fpm expose another bug mentioned by @Josh - using header('X-PHP-Response-Code: 404', true, 404);
does work properly under PHP-FPM (FastCGI)
header("HTTP/1.1 404 Not Found");
may fail when the protocol is not HTTP/1.1 (i.e. 'HTTP/1.0'). Current protocol must be detected using $_SERVER['SERVER_PROTOCOL']
(available since PHP 4.1.0
There are at least 2 cases when calling http_response_code()
result in unexpected behaviour:
For your reference here there is the full list of HTTP response status codes (this list includes codes from IETF internet standards as well as other IETF RFCs. Many of them are NOT currently supported by PHP http_response_code function): http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
You can easily test this bug by calling:
http_response_code(521);
The server will send "500 Internal Server Error" HTTP response code resulting in unexpected errors if you have for example a custom client application calling your server and expecting some additional HTTP codes.
My solution (for all PHP versions since 4.1.0):
$httpStatusCode = 521;
$httpStatusMsg = 'Web server is down';
$phpSapiName = substr(php_sapi_name(), 0, 3);
if ($phpSapiName == 'cgi' || $phpSapiName == 'fpm') {
header('Status: '.$httpStatusCode.' '.$httpStatusMsg);
} else {
$protocol = isset($_SERVER['SERVER_PROTOCOL']) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0';
header($protocol.' '.$httpStatusCode.' '.$httpStatusMsg);
}
Conclusion
http_response_code() implementation does not support all HTTP response codes and may overwrite the specified HTTP response code with another one from the same group.
The new http_response_code() function does not solve all the problems involved but make things worst introducing new bugs.
The "compatibility" solution offered by @dualed does not work as expected, at least under PHP-FPM.
The other solutions offered by @dualed also have various bugs. Fast CGI detection does not handle PHP-FPM. Current protocol must be detected.
Any tests and comments are appreciated.
Check your Entity class. Use String instead of Long and float instead of double .
Of course. The whole idea of abstract classes is that they can contain some behaviour or data which you require all sub-classes to contain. Think of the simple example of WheeledVehicle - it should have a numWheels member variable. You want all sub classes to have this variable. Remember that abstract classes are a very useful feature when developing APIs, as they can ensure that people who extend your API won't break it.
For xCode 10, first you need to add the image in your assetsCatalogue and then type this:
let imageView = UIImageView(image: #imageLiteral(resourceName: "type the name of your image here..."))
For beginners, let imageView
is the name of the UIImageView
object we are about to create.
An example for embedding an image into a viewControler
file would look like this:
import UIKit
class TutorialViewCotroller: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let imageView = UIImageView(image: #imageLiteral(resourceName: "intoImage"))
view.addSubview(imageView)
}
}
Please notice that I did not use any extension for the image file name, as in my case it is a group of images.
I included these suggestions in a Gist I created on Github: http://gist.github.com/137348
Feel free to fork it, and make it better.
Open the file in src->router->index.js
At the bottom of this file:
const router = new VueRouter({
mode: "history",
routes,
});
WinForms
Add an event handler for the Control.DoubleClick
event for your ListBox
, and in that event handler open up a MessageBox
displaying the selected item.
E.g.:
private void ListBox1_DoubleClick(object sender, EventArgs e)
{
if (ListBox1.SelectedItem != null)
{
MessageBox.Show(ListBox1.SelectedItem.ToString());
}
}
Where ListBox1
is the name of your ListBox
.
Note that you would assign the event handler like this:
ListBox1.DoubleClick += new EventHandler(ListBox1_DoubleClick);
WPF
Pretty much the same as above, but you'd use the MouseDoubleClick
event instead:
ListBox1.MouseDoubleClick += new RoutedEventHandler(ListBox1_MouseDoubleClick);
And the event handler:
private void ListBox1_MouseDoubleClick(object sender, RoutedEventArgs e)
{
if (ListBox1.SelectedItem != null)
{
MessageBox.Show(ListBox1.SelectedItem.ToString());
}
}
Edit: Sisya's answer checks to see if the double-click occurred over an item, which would need to be incorporated into this code to fix the issue mentioned in the comments (MessageBox shown if ListBox is double-clicked while an item is selected, but not clicked over an item).
Hope this helps!
Update: Webm with an alpha channel is now supported in Chrome and Firefox.
For other browers, there are workarounds, but they involve re-rendering the video using Canvas and it is kind of a hack. seeThru is one example. It works pretty well on HTML5 desktop browsers (even IE9) but it doesn't seem to work very well on mobile. I couldn't get it to work at all on Chrome for Android. It did work on Firefox for Android but with a pretty lousy framerate. I think you might be out of luck for mobile, although I'd love to be proven wrong.
Homebrew's services
tap integrates formulas with the launchctl
manager. Adding it is easy:
brew tap homebrew/services
You can then launch MongoDB with this command (this will also start mongodb on boot):
brew services start mongodb
You can also use stop
or restart
:
brew services stop mongodb
brew services restart mongodb
I usually do not use any href and change the aspect with css, making them seems link. Thus you do not have to worry about link effect at all, except for the event handler of your application
a {
text-recoration: underline;
cursor: pointer;
}
No, there isn't any.
The list of comparison operators are listed here.
For your requirement the best option would be regular expressions.
Perhaps this:
str = str.Split(",").First();
In cpp, you need to pay special attention to string types when using execvp
:
#include <iostream>
#include <string>
#include <cstring>
#include <stdio.h>
#include <unistd.h>
using namespace std;
const size_t MAX_ARGC = 15; // 1 command + # of arguments
char* argv[MAX_ARGC + 1]; // Needs +1 because of the null terminator at the end
// c_str() converts string to const char*, strdup converts const char* to char*
argv[0] = strdup(command.c_str());
// start filling up the arguments after the first command
size_t arg_i = 1;
while (cin && arg_i < MAX_ARGC) {
string arg;
cin >> arg;
if (arg.empty()) {
argv[arg_i] = nullptr;
break;
} else {
argv[arg_i] = strdup(arg.c_str());
}
++arg_i;
}
// Run the command with arguments
if (execvp(command.c_str(), argv) == -1) {
// Print error if command not found
cerr << "command '" << command << "' not found\n";
}
Reference: execlp?execvp?????
OSX's Python binary (version 2) is located at /usr/bin/python
if you use which python
it will tell you where the python
command is being resolved to. Typically, what happens is third parties redefine things in /usr/local/bin
(which takes precedence, by default over /usr/bin
). To fix, you can either run /usr/bin/python
directly to use 2.x or find the errant redefinition (probably in /usr/local/bin
or somewhere else in your PATH
)
Folks,
I ran into a similar issue. But using Fiddler, I was able to get at the issue. The problem is that the client URL that is configured in the CORS implementation on the Web API side must not have a trailing forward-slash. After submitting your request via Google Chrome and inspect the TextView tab of the Headers section of Fiddler, the error message states something like this:
*"The specified policy origin your_client_url:/' is invalid. It cannot end with a forward slash."
This is real quirky because it worked without any issues on Internet Explorer, but gave me a headache when testing using Google Chrome.
I removed the forward-slash in the CORS code and recompiled the Web API, and now the API is accessible via Chrome and Internet Explorer without any issues. Please give this a shot.
Thanks, Andy
The following are the 5 steps required:
You can find the step by step VC++ IDE screen shot at http://www.softwareandfinance.com/Visual_CPP/DLLDynamicBinding.html
Here is the code snippet:
int main()
{
/***
__declspec(dllimport) bool GetWelcomeMessage(char *buf, int len); // used for static binding
***/
typedef bool (*GW)(char *buf, int len);
HMODULE hModule = LoadLibrary(TEXT("TestServer.DLL"));
GW GetWelcomeMessage = (GW) GetProcAddress(hModule, "GetWelcomeMessage");
char buf[128];
if(GetWelcomeMessage(buf, 128) == true)
std::cout << buf;
return 0;
}
If you are using the VSCodeVim
extension, you can use the Vim key shortcuts:
Next tab: gt
Prior tab: gT
Numbered tab: nnngt
You can use various options with FINDSTR to remove the lines do not want, like so:
DIR /S | FINDSTR "\-" | FINDSTR /VI DIR
Normal output contains entries like these:
28-Aug-14 05:14 PM <DIR> .
28-Aug-14 05:14 PM <DIR> ..
You could remove these using the various filtering options offered by FINDSTR. You can also use the excellent unxutils, but it converts the output to UNIX by default, so you no longer get CR+LF; FINDSTR offers the best Windows option.
If you are needing to use CSS with the jQuery .animate()
function, you can use set the duration.
$("#my_image").css({
'left':'1000px',
6000, ''
});
We have the duration property set to 6000.
This will set the time in thousandth of seconds: 6 seconds.
After the duration our next property "easing" changes how our CSS happens.
We have our positioning set to absolute.
There are two default ones to the absolute function: 'linear' and 'swing'.
In this example I am using linear.
It allows for it to use a even pace.
The other 'swing' allows for a exponential speed increase.
There are a bunch of really cool properties to use with animate like bounce, etc.
$(document).ready(function(){
$("#my_image").css({
'height': '100px',
'width':'100px',
'background-color':'#0000EE',
'position':'absolute'
});// property than value
$("#my_image").animate({
'left':'1000px'
},6000, 'linear', function(){
alert("Done Animating");
});
});
Depending on the number of endpoints you need it may be easier to do it manually.
I have tried 10 libraries "soap nodejs" I finally do it manually.
You didn't mention anything about the environment you're running. This problem occurs on VirtualBox when running on Windows 10. One thing you can try is disabling 3D Acceleration on your VM, this is a known issue.
something like:
$('#doc').click(function(e){
e.preventDefault()
e.stopImmediatePropagation() //charles ma is right about that, but stopPropagation isn't also needed
});
should do the job you could also bind more mouse events with replacing for: edit: add this in the feezing part
$('#doc').bind('click mousedown dblclick',function(e){
e.preventDefault()
e.stopImmediatePropagation()
});
and this in the unfreezing:
$('#doc').unbind();
Just for future reference, if you already have a boolean column and you just want to add a default do:
ALTER TABLE users
ALTER COLUMN priv_user SET DEFAULT false;
In my case, I had a collection of radio buttons that needed to be in a group. I just included a 'Selected' property in the model. Then, in the loop to output the radiobuttons just do...
@Html.RadioButtonFor(m => Model.Selected, Model.Categories[i].Title)
This way, the name is the same for all radio buttons. When the form is posted, the 'Selected' property is equal to the category title (or id or whatever) and this can be used to update the binding on the relevant radiobutton, like this...
model.Categories.Find(m => m.Title.Equals(model.Selected)).Selected = true;
May not be the best way, but it does work.
It looks like you are executing that command from a DOS session (see this thread), and that means you need to create the .ssh
directory before said command.
Or you can execute it from the bash session (part of the msysgit distribution), and it should work.
In our case it turned out that the error happened because we have a custom filter
in our application which does HttpServletResponse sendRedirect()
to other url.
For some reason, the redirection is not closing the keep-alive
status of the connection, hence the timeout exception.
We checked with Tomcat Docs and when we disabled the maxKeepAliveRequests
by setting it's value to 1
and the error stopped showing up.
For now we do not have the actual solution to the error.
To add on top of @Pranav Singh and @Rahul Tripathi answer. After doing all the mentioned by those 2 users, my .net app still wasnt connecting to the database. My solution was.
Open Sql Server Configuration Manager, go to Network configuration of SQL SERVER, click on protocols, right click on TCP/IP and select enabled. I also right clicked on it opened properties, Ip directions, and scrolled to the bottom (IPAII , and there in TCP Port, I did setup a port (1433 is supposed to be default))
hope this will help someone with the same issue
GradientDrawable gd = (GradientDrawable) YourImageView.getBackground();
//To shange the solid color
gd.setColor(yourColor)
//To change the stroke color
int width_px = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, youStrokeWidth, getResources().getDisplayMetrics());
gd.setStroke(width_px, yourColor);
Well I did not think this was possible until I went and checked. In some previous version of Excel I could not do this. I am currently using Excel 2013.
This is what you want to do in a scatter plot:
right click on your data point
select "Format Data Labels" (note you may have to add data labels first)
In order to colour the labels individually use the following steps:
If you have the entire series selected instead of the individual label, text formatting changes should apply to all labels instead of just one.
As discussed in the comments you have based your code on this solution: https://stackoverflow.com/a/8825714/681807
One of the key parts of this solution is to add height: 100%
to html, body
so the #footer
element has a base height to work from - this is missing from your code:
html,body{
height: 100%
}
You will also find that you will run into problems with using bottom: -50px
as this will push your content under the fold when there isn't much content. You will have to add margin-bottom: 50px
to the last element before the #footer
.
Set the keyboard and a validator
String numberValidator(String value) {
if(value == null) {
return null;
}
final n = num.tryParse(value);
if(n == null) {
return '"$value" is not a valid number';
}
return null;
}
new TextFormField(
keyboardType: TextInputType.number,
validator: numberValidator,
textAlign: TextAlign.right
...
Make sure that your IntelliJ Idea (IDE) is aware of all the necessary spring configurations that your module is being inspected against.
You can check this under
File > Project Structure > Modules > [your project name in the right panel] > Spring
Sometimes, we need to explicitly tell the IDE that the spring configuration is coming from a dependency (a jar present in your project classpath)
If someone else needs a generic utility type to do this, I came up with the following solution:
/**
* Returns object T, but with T[K] overridden to type U.
* @example
* type MyObject = { a: number, b: string }
* OverrideProperty<MyObject, "a", string> // returns { a: string, b: string }
*/
export type OverrideProperty<T, K extends keyof T, U> = Omit<T, K> & { [P in keyof Pick<T, K>]: U };
I needed this because in my case, the key to override was a generic itself.
If you don't have Omit
ready, see Exclude property from type.
Though a very old question, but I am still posting an answer to it so that it may help some one. If you are using any layout inside the list view then use ...
android:descendantFocusability="blocksDescendants"
... on the first parent layout inside the list. This works as magic the click will not be consumed by any element inside the list but will directly go to the list item.
increase heap size of tomcat for window add this file in apache-tomcat-7.0.42\bin
heap size can be changed based on Requirements.
set JAVA_OPTS=-Dfile.encoding=UTF-8 -Xms128m -Xmx1024m -XX:PermSize=64m -XX:MaxPermSize=256m
If you are using an old version of FFMPEG and you cant upgrade you can do the following:
ffmpeg -i PATH/VIDEO_FILE_NAME.mp4 -i PATH/AUDIO_FILE_NAME.mp3 -vcodec copy -shortest DESTINATION_PATH/NEW_VIDEO_FILE_NAME.mp4
Notice that I used -vcodec
if you want to show text put # at the begging of the message you want it will share it as Hashtag
I had the same error when I tried to open a CSV file by pandas.read_csv
method.
The solution was change the encoding to latin-1
:
pd.read_csv('ml-100k/u.item', sep='|', names=m_cols , encoding='latin-1')
I have 3 fields to fetch from Oracle Database,Which is for Forex and Currency Application.
SELECT BUY.RATE FROM FRBU.CURRENCY WHERE CURRENCY.MARKET =10 AND CURRENCY.CODE IN (‘USD’, ’AUD’, ‘SGD’)
composer dump-autoload
PATH vendor/composer/autoload_classmap.php
php artisan dump-autoload
This will work if you do not have too many expressions.
Example: ng-show="form.type === 'Limited Company' || form.type === 'Limited Partnership'"
For any more expressions than this use a controller.
Try css:
.topcorner{
position:absolute;
top:10px;
right: 10px;
}
you can play with the top
and right
properties.
If you want to float the div
even when you scroll down, just change position:absolute;
to position:fixed;
.
Hope it helps.
If you can't be more specific than Object
with your instances, then use:
List<Object> employees = new ArrayList<Object>();
Otherwise be as specific as you can:
List<? extends SpecificType> employees = new ArrayList<? extends SpecificType>();
Well, to exactly answer your question title :-)
var lastPartOfCurrentDirectoryName =
Path.GetFileName(Environment.CurrentDirectory);
Posting a string:
curl -d "String to post" "http://www.example.com/target"
Posting the contents of a file:
curl -d @soap.xml "http://www.example.com/target"
To answer the questions in terms of how you asked it.
This is actually REALLY easy (in Internet Explorer, at least), i did it in like 17.5 seconds.
If you use the custom script that cxfx provided: (place it in your apsx file)
<script language="VBScript">
Sub myAlert(title, content)
MsgBox content, 0, title
End Sub
</script>
You can then call it just like you called the regular alert. Just modify your code to the following.
Response.Write("<script language=JavaScript> myAlert('Message Header Here','Hi select a valid date'); </script>");
Hope that helps you, or someone else!
I found myself requiring this functionality often enough that I packaged it into a library called std-pour. It should let you execute a command and view the output in real time. To install simply:
npm install std-pour
Then it's simple enough to execute a command and see the output in realtime:
const { pour } = require('std-pour');
pour('ping', ['8.8.8.8', '-c', '4']).then(code => console.log(`Error Code: ${code}`));
It's promised based so you can chain multiple commands. It's even function signature-compatible with child_process.spawn
so it should be a drop in replacement anywhere you're using it.
IIS also reports status code 500 without any event log hints if there are insufficient permissions on the physical home directory (i.e. IIS_IUSRS has no access).
First.. a couple missing use-cases here if we're talking about ways to inject anonymous code..
code.compile_command()
code.interact()
imp.load_compiled()
imp.load_dynamic()
imp.load_module()
__builtin__.compile()
loading C compiled shared objects? example: _socket?)
But, the real question is, what is your goal - are you trying to enforce some sort of security? Or are you just interested in whats being loaded.
If you're interested in security, the filename that is being imported via exec/execfile is inconsequential - you should use rexec, which offers the following:
This module contains the RExec class, which supports r_eval(), r_execfile(), r_exec(), and r_import() methods, which are restricted versions of the standard Python functions eval(), execfile() and the exec and import statements. Code executed in this restricted environment will only have access to modules and functions that are deemed safe; you can subclass RExec add or remove capabilities as desired.
However, if this is more of an academic pursuit.. here are a couple goofy approaches that you might be able to dig a little deeper into..
Example scripts:
./deep.py
print ' >> level 1'
execfile('deeper.py')
print ' << level 1'
./deeper.py
print '\t >> level 2'
exec("import sys; sys.path.append('/tmp'); import deepest")
print '\t << level 2'
/tmp/deepest.py
print '\t\t >> level 3'
print '\t\t\t I can see the earths core.'
print '\t\t << level 3'
./codespy.py
import sys, os
def overseer(frame, event, arg):
print "loaded(%s)" % os.path.abspath(frame.f_code.co_filename)
sys.settrace(overseer)
execfile("deep.py")
sys.exit(0)
Output
loaded(/Users/synthesizerpatel/deep.py)
>> level 1
loaded(/Users/synthesizerpatel/deeper.py)
>> level 2
loaded(/Users/synthesizerpatel/<string>)
loaded(/tmp/deepest.py)
>> level 3
I can see the earths core.
<< level 3
<< level 2
<< level 1
Of course, this is a resource-intensive way to do it, you'd be tracing all your code.. Not very efficient. But, I think it's a novel approach since it continues to work even as you get deeper into the nest. You can't override 'eval'. Although you can override execfile().
Note, this approach only coveres exec/execfile, not 'import'. For higher level 'module' load hooking you might be able to use use sys.path_hooks (Write-up courtesy of PyMOTW).
Thats all I have off the top of my head.
For Visual Studio 2019 you may not find Project -> Add Reference option. Use Project -> Add Project Reference. Then in dialog window navigate to Browse tab and use Browse to find and attach your dll.
My solution to not having sessionStorage transferable over tabs was to create a localProfile and bang off this variable. If this variable is set but my sessionStorage variables arent go ahead and reinitialize them. When user logs out window closes destroy this localStorage variable
First Level Cache
Session object holds the first level cache data. It is enabled by default. The first level cache data will not be available to entire application. An application can use many session object.
Second Level Cache
SessionFactory object holds the second level cache data. The data stored in the second level cache will be available to entire application. But we need to enable it explicitly.
"Then" is a command in bash, thus it needs a ";" or a newline before it.
#!/bin/bash
echo "start\n"
for f in *.jpg
do
fname=$(basename "$f")
echo "fname is $fname\n"
fname="${filename%.*}"
echo "fname is $fname\n"
if [$[fname%2] -eq 1 ]
then
echo "removing $fname\n"
rm $f
fi
done
You've only got a forward declaration for student
in the header file; you need to place the struct declaration in the header file, not the .cpp. The method definitions will be in the .cpp (assuming you have any).
The Newline in T-SQL is represented by CHAR(13) & CHAR(10) (Carriage return + Line Feed). Accordingly, you can create a REPLACE statement with the text you want to replace the newline with.
REPLACE(MyField, CHAR(13) + CHAR(10), 'something else')
You can also use an object-oriented path with pathlib
(available as a standard library as of Python 3.4):
from pathlib import Path
start_path = Path('/my/root/directory')
final_path = start_path / 'in' / 'here'
You can solve it by using the useRef
hook but then it's will not re-render when it' updated. I have created a hooks called useStateRef, that give you the good from both worlds. It's like a state that when it's updated the Component re-render, and it's like a "ref" that always have the latest value.
See this example:
var [state,setState,ref]=useStateRef(0)
It works exactly like useState
but in addition, it gives you the current state under ref.current
Learn more:
All of the answers so far involve completely replacing the default button behavior with something else. However, IMHO it is useful and important to understand that it's possible to change just the part you care about, by editing the existing, default template for a XAML element.
In the case of dealing with the hover effect on a WPF button, the change in appearance in a WPF Button
element is caused by a Trigger
in the default style for the Button
, which is based on the IsMouseOver
property and sets the Background
and BorderBrush
properties of the top-level Border
element in the control template. The Button
element's background is underneath the Border
element's background, so changing the Button.Background
property doesn't prevent the hover effect from being seen.
With some effort, you could override this behavior with your own setter, but because the element you need to affect is in the template and not directly accessible in your own XAML, that approach would be difficult and IMHO overly complex.
Another option would be to make use the graphic as the Content
for the Button
rather than the Background
. If you need additional content over the graphic, you can combine them with a Grid
as the top-level object in the content.
However, if you literally just want to disable the hover effect entirely (rather than just hiding it), you can use the Visual Studio XAML Designer:
<Trigger Property="IsMouseOver" Value="true">...</Trigger>
element. Of course, you can make any change to the template you want at that point.When you're done, the button style will look something like this:
<p:Style x:Key="FocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Margin="2" SnapsToDevicePixels="true" Stroke="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" StrokeThickness="1" StrokeDashArray="1 2"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</p:Style>
<SolidColorBrush x:Key="Button.Static.Background" Color="#FFDDDDDD"/>
<SolidColorBrush x:Key="Button.Static.Border" Color="#FF707070"/>
<SolidColorBrush x:Key="Button.MouseOver.Background" Color="#FFBEE6FD"/>
<SolidColorBrush x:Key="Button.MouseOver.Border" Color="#FF3C7FB1"/>
<SolidColorBrush x:Key="Button.Pressed.Background" Color="#FFC4E5F6"/>
<SolidColorBrush x:Key="Button.Pressed.Border" Color="#FF2C628B"/>
<SolidColorBrush x:Key="Button.Disabled.Background" Color="#FFF4F4F4"/>
<SolidColorBrush x:Key="Button.Disabled.Border" Color="#FFADB2B5"/>
<SolidColorBrush x:Key="Button.Disabled.Foreground" Color="#FF838383"/>
<p:Style x:Key="ButtonStyle1" TargetType="{x:Type Button}">
<Setter Property="FocusVisualStyle" Value="{StaticResource FocusVisual}"/>
<Setter Property="Background" Value="{StaticResource Button.Static.Background}"/>
<Setter Property="BorderBrush" Value="{StaticResource Button.Static.Border}"/>
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<Setter Property="VerticalContentAlignment" Value="Center"/>
<Setter Property="Padding" Value="1"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="true">
<ContentPresenter x:Name="contentPresenter" Focusable="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsDefaulted" Value="true">
<Setter Property="BorderBrush" TargetName="border" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/>
</Trigger>
<!--<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.MouseOver.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.MouseOver.Border}"/>
</Trigger>-->
<Trigger Property="IsPressed" Value="true">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Pressed.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="border" Value="{StaticResource Button.Disabled.Background}"/>
<Setter Property="BorderBrush" TargetName="border" Value="{StaticResource Button.Disabled.Border}"/>
<Setter Property="TextElement.Foreground" TargetName="contentPresenter" Value="{StaticResource Button.Disabled.Foreground}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</p:Style>
(Note: you can omit the p:
XML namespace qualifications in the actual code…I provide them here only because the Stack Overflow XML code formatter gets confused by <Style/>
elements that don't have a fully-qualified name with XML namespace.)
If you want to apply the same style to other buttons, you can just right-click them and choose "Edit Template/Apply Resource" and select the style you just added for the first button. You can even make that style the default style for all buttons, using the normal techniques for applying a default style to elements in XAML.
Try doing this, there's no special character to concatenate in bash :
mystring="${arg1}12${arg2}endoffile"
If you don't put brackets, you will ask bash to concatenate $arg112 + $argendoffile
(I guess that's not what you asked) like in the following example :
mystring="$arg112$arg2endoffile"
The brackets are delimiters for the variables when needed. When not needed, you can use it or not.
bash
> 3.1)
$ arg1=foo
$ arg2=bar
$ mystring="$arg1"
$ mystring+="12"
$ mystring+="$arg2"
$ mystring+="endoffile"
$ echo "$mystring"
foo12barendoffile
ZXing is a free open source Java library to read and generate barcode images. You need to get the source code and build the jars yourself. Here's a simple tutorial that I wrote for building with ZXing jars and writing your first program with ZXing.
Because (a.y - b.y) is probably less then (a.x - b.x) and in your code the casting is done after the divide operation so the result is an integer so 0.
You should cast to float before the / operation
Just gonna throw this in here since I encountered the same error but for VERY different reasons.
I'm serving via node/express/jade and had ported an old jade file over. One of the lines was to not bork when Typekit failed:
script(type='text/javascript')
try{Typekit.load();}catch(e){}
It seemed innocuous enough, but I finally realized that for jade script blocks where you're adding content you need a .
:
script(type='text/javascript').
try{Typekit.load();}catch(e){}
Simple, but tricky.
Anyone who has this error, especially on Azure, try adding "tcp:" to the db-server-name in your connection string in your application. This forces the sql client to communicate with the db using tcp. I'm assuming the connection is UDP by default and there can be intermittent connection issues
//Multiple selection:
private void clbsec(CheckedListBox clb, string text)
{
for (int i = 0; i < clb.Items.Count; i++)
{
if(text == clb.Items[i].ToString())
{
clb.SetItemChecked(i, true);
}
}
}
using ==>
clbsec(checkedListBox1,"michael");
or
clbsec(checkedListBox1,textBox1.Text);
or
clbsec(checkedListBox1,dataGridView1.CurrentCell.Value.toString());
I am using red hat linux on a VPS server (and via SSH - putty), for me the following worked:
First, you list all the running processes:
ps -ef
Then in the first column you find your user name; I found it the following three times:
Then in the second column you can find the PID of the nohup process and you only type:
kill PID
(replacing the PID with the nohup process's PID of course)
And that is it!
I hope this answer will be useful for someone I'm also very new to bash and SSH, but found 95% of the knowledge I need here :)
@JsonSerialize(include=JsonSerialize.Inclusion.NON_EMPTY)
public class Shop {
//...
}
for jackson 2.0 or later use @JsonInclude(Include.NON_NULL)
This will remove both empty and null Objects.
psql
's inline help:
\h ALTER TABLE
Also documented in the postgres docs (an excellent resource, plus easy to read, too).
ALTER TABLE tablename ADD CONSTRAINT constraintname UNIQUE (columns);
i think this might work for you
//<?php
//checks file extension for images only
$allowed = array('gif','png' ,'jpg');
$file = $_FILES['file']['name'];
$ext = pathinfo($file, PATHINFO_EXTENSION);
if(!in_array($ext,$allowed) )
{
//?>
<script>
alert('file extension not allowed');
window.location.href='some_link.php?file_type_not_allowed_error';
</script>
//<?php
exit(0);
}
//?>
Does this work?
display_errors = Off
Also, what version of php are you using?
Try trimming the string to make sure there is no extra white space:
Cursor c = db.rawQuery("SELECT * FROM tbl1 WHERE TRIM(name) = '"+name.trim()+"'", null);
Also use c.moveToFirst()
like @thinksteep mentioned.
This is a complete code for select statements.
SQLiteDatabase db = this.getReadableDatabase();
Cursor c = db.rawQuery("SELECT column1,column2,column3 FROM table ", null);
if (c.moveToFirst()){
do {
// Passing values
String column1 = c.getString(0);
String column2 = c.getString(1);
String column3 = c.getString(2);
// Do something Here with values
} while(c.moveToNext());
}
c.close();
db.close();
For those who had trouble with the apt-get, or with the long instruction. I solved it in a relatively painless way.
just use bash
while read -r line
do
case "$line" in
*MYSQL_ROLE=master*)
echo "do your stuff";;
*) echo "doesn't exist";;
esac
done <"/etc/aws/hosts.conf"
If you have multiple layer proxies just like CDN + Load Balancer.
Using Laravel Request::ip() function will get right-most proxy IP but not client IP.
You may try following solution.
app/Http/Middleware/TrustProxies.php
protected $proxies = ['0.0.0.0/0'];
Reference: https://github.com/fideloper/TrustedProxy/issues/107#issuecomment-373065215
this is from my project
var saleHeadBranch = await _context.SaleHeadBranch
.Include(d => d.SaleDetailBranch)
.ThenInclude(d => d.Item)
.Where(d => d.BranchId == loginTkn.branchId)
.FirstOrDefaultAsync(d => d.Id == id);
Your problem is basically that you never specified the right path to the file.
Try instead, from your main script:
from folder.file import Klasa
Or, with from folder import file
:
from folder import file
k = file.Klasa()
Or again:
import folder.file as myModule
k = myModule.Klasa()
Run these commands
sudo apt-get install python-dev python3-dev
sudo apt-get install libmysqlclient-dev
pip install MySQL-python
pip install pymysql
pip install mysqlclient
Then configure settings.py like
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'django_db',
'HOST': '127.0.0.1',
'PORT': '3306',
'USER': 'root',
'PASSWORD': '123456',
}
}
Enjoy mysql connection
Use jquery cookie https://github.com/carhartl/jquery-cookie and then you can be sure the class will stay on page refresh.
Stores the id of the clicked element in the cookie and then uses that to add the class on refresh.
//Get cookie value and set active
var tab = $.cookie('active');
$('#' + tab).addClass('active');
//Set cookie active tab value on click
//Done this way to preserve after page refresh
$('.topTab').click(function (event) {
var clickedTab = event.target.id;
$.removeCookie('active', { path: '/' });
$( '.active' ).removeClass( 'active' );
$.cookie('active', clickedTab, { path: '/' });
});
Installing requirements.txt file inside virtual env with Python 3:
I had the same issue. I was trying to install the requirements.txt file inside a virtual environment. I found the solution.
Initially, I created my virtualenv in this way:
virtualenv -p python3 myenv
Activate the environment using:
source myenv/bin/activate
Now I installed the requirements.txt file using:
pip3 install -r requirements.txt
Installation was successful and I was able to import the modules.
It helped me to follow instructions in here:
https://packaging.python.org/guides/installing-using-linux-tools/
Debian/Ubuntu
Python 2:
sudo apt install python-pip
Python 3:
sudo apt install python3-venv python3-pip
You want the TimeSpan
struct:
TimeSpan diff = dateTime1 - dateTime2;
A TimeSpan object represents a time interval (duration of time or elapsed time) that is measured as a positive or negative number of days, hours, minutes, seconds, and fractions of a second. The TimeSpan structure can also be used to represent the time of day, but only if the time is unrelated to a particular date.
There are various methods for getting the days, hours, minutes, seconds and milliseconds back from this structure.
If you are just interested in the difference then:
TimeSpan diff = Math.Abs(dateTime1 - dateTime2);
will give you the positive difference between the times regardless of the order.
If you have just got the time component but the times could be split by midnight then you need to add 24 hours to the span to get the actual difference:
TimeSpan diff = dateTime1 - dateTime2;
if (diff < 0)
{
diff = diff + TimeSpan.FromDays(1);
}
Answer given by kennyut/Kistian works very well but to get exact RDD like output when RDD consist of list of attributes e.g. [1,2,3,4] we can use flatmap command as below,
rdd = df.rdd.flatMap(list)
or
rdd = df.rdd.flatmap(lambda x: list(x))
You don't need both hibernate.cfg.xml
and persistence.xml
in this case. Have you tried removing hibernate.cfg.xml
and mapping everything in persistence.xml
only?
But as the other answer also pointed out, this is not okay like this:
@Id
@JoinColumn(name = "categoria")
private String id;
Didn't you want to use @Column
instead?
The array declaration should be:
Car[] garage = new Car[100];
You can also just assign directly:
garage[1] = new Car("Blue");
Few years later, I've built this library to do drop files into any HTML element.
You can use it like
const Droppable = require('droppable');
const droppable = new Droppable({
element: document.querySelector('#my-droppable-element')
})
droppable.onFilesDropped((files) => {
console.log('Files were dropped:', files);
});
// Clean up when you're done!
droppable.destroy();
The solution compliant with the v4 of the framework is to set the proper breakpoint. Rather than using .table-responsive, you should be able to use .table-responsive-sm (to be just responsive on small devices)
You can use any of the available endpoints: table-responsive{-sm|-md|-lg|-xl}
One liner:
location.search.replace('?','').split('&').reduce(function(s,c){var t=c.split('=');s[t[0]]=t[1];return s;},{})
This question might still be visited often enough that it's worth offering an addendum to Mr Kassies' answer. The dict
built-in class can be sub-classed so that a default is returned for 'missing' keys. This mechanism works well for pandas. But see below.
In this way it's possible to avoid key errors.
>>> import pandas as pd
>>> data = { 'ID': [ 101, 201, 301, 401 ] }
>>> df = pd.DataFrame(data)
>>> class SurnameMap(dict):
... def __missing__(self, key):
... return ''
...
>>> surnamemap = SurnameMap()
>>> surnamemap[101] = 'Mohanty'
>>> surnamemap[301] = 'Drake'
>>> df['Surname'] = df['ID'].apply(lambda x: surnamemap[x])
>>> df
ID Surname
0 101 Mohanty
1 201
2 301 Drake
3 401
The same thing can be done more simply in the following way. The use of the 'default' argument for the get
method of a dict object makes it unnecessary to subclass a dict.
>>> import pandas as pd
>>> data = { 'ID': [ 101, 201, 301, 401 ] }
>>> df = pd.DataFrame(data)
>>> surnamemap = {}
>>> surnamemap[101] = 'Mohanty'
>>> surnamemap[301] = 'Drake'
>>> df['Surname'] = df['ID'].apply(lambda x: surnamemap.get(x, ''))
>>> df
ID Surname
0 101 Mohanty
1 201
2 301 Drake
3 401
What I do is catch this exception, together with another possible exceptions. Hope this help someone.
catch (ThreadAbortException ex1)
{
writeToLog(ex1.Message);
}
catch(Exception ex)
{
writeToLog(ex.Message);
}
You can use: interface{}..(type)
as in this playground
package main
import "fmt"
func main(){
types := []interface{} {"a",6,6.0,true}
for _,v := range types{
fmt.Printf("%T\n",v)
switch v.(type) {
case int:
fmt.Printf("Twice %v is %v\n", v, v.(int) * 2)
case string:
fmt.Printf("%q is %v bytes long\n", v, len(v.(string)))
default:
fmt.Printf("I don't know about type %T!\n", v)
}
}
}
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
android.widget.LinearLayout.LayoutParams params = (android.widget.LinearLayout.LayoutParams) mVideoView.getLayoutParams();
params.width = (int) metrics.widthPixels;
params.height = (int) metrics.heightPixels;
mVideoView.setLayoutParams(params);
playVideo();
aspectRatio = VideoInfo.AR_4_3_FIT_PARENT;
mVideoView.getPlayer().aspectRatio(aspectRatio);
You should be setting the src using this:
document["pic1"].src = searchPic.src;
or
$("#pic1").attr("src", searchPic.src);
String.Join() is implemented quite fast, and as you already have a collection of the strings in question, is probably the best choice. Above all, it shouts "I'm joining a list of strings!" Always nice.
I came up with
#!/bin/sh
message=`git log --format=%B origin..HEAD | sort | uniq | grep -v '^$'`
git reset --soft origin
git commit -m "$message"
Combines, sorts, unifies and remove empty lines from the commit message. I use this for local changes to a github wiki (using gollum)
Numpty here used SQL authentication
instead of Windows (correct)
when adding the login to SQL Server, which also gives you this error if you are using Windows auth.
Here is the command-line approach to answer this question:
gcloud compute firewall-rules create <rule-name> --allow tcp:9090 --source-tags=<list-of-your-instances-names> --source-ranges=0.0.0.0/0 --description="<your-description-here>"
This will open the port 9090
for the instances that you name. Omitting --source-tags
and --source-ranges
will apply the rule to all instances. More details are in the Gcloud documentation and the firewall-rule create
command manual
The previous answers are great, but Google recommends using the newer gcloud
commands instead of the gcutil
commands.
PS:
To get an idea of Google's firewall rules, run gcloud compute firewall-rules list
and view all your firewall rules
How about
if (length ($name || '')) {
# do something with $name
}
This isn't quite equivalent to your original version, as it will also return false if $name
is the numeric value 0 or the string '0'
, but will behave the same in all other cases.
In perl 5.10 (or later), the appropriate approach would be to use the defined-or operator instead:
use feature ':5.10';
if (length ($name // '')) {
# do something with $name
}
This will decide what to get the length of based on whether $name
is defined, rather than whether it's true, so 0/'0'
will handle those cases correctly, but it requires a more recent version of perl than many people have available.
"Initialized from the environment variable PYTHONPATH, plus an installation-dependent default"
You could use CSS to do that, but it wouldn't be supported in IE8-. You can use some site like http://borderradius.com to come up with actual CSS you'd use, which would look something like this (again, depending on how many browsers you're trying to support):
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
border-radius: 5px;
Iterating over strings is unfortunately rather slow in Python. Regular expressions are over an order of magnitude faster for this kind of thing. You just have to build the character class yourself. The unicodedata module is quite helpful for this, especially the unicodedata.category() function. See Unicode Character Database for descriptions of the categories.
import unicodedata, re, itertools, sys
all_chars = (chr(i) for i in range(sys.maxunicode))
categories = {'Cc'}
control_chars = ''.join(c for c in all_chars if unicodedata.category(c) in categories)
# or equivalently and much more efficiently
control_chars = ''.join(map(chr, itertools.chain(range(0x00,0x20), range(0x7f,0xa0))))
control_char_re = re.compile('[%s]' % re.escape(control_chars))
def remove_control_chars(s):
return control_char_re.sub('', s)
For Python2
import unicodedata, re, sys
all_chars = (unichr(i) for i in xrange(sys.maxunicode))
categories = {'Cc'}
control_chars = ''.join(c for c in all_chars if unicodedata.category(c) in categories)
# or equivalently and much more efficiently
control_chars = ''.join(map(unichr, range(0x00,0x20) + range(0x7f,0xa0)))
control_char_re = re.compile('[%s]' % re.escape(control_chars))
def remove_control_chars(s):
return control_char_re.sub('', s)
For some use-cases, additional categories (e.g. all from the control group might be preferable, although this might slow down the processing time and increase memory usage significantly. Number of characters per category:
Cc
(control): 65Cf
(format): 161Cs
(surrogate): 2048Co
(private-use): 137468Cn
(unassigned): 836601Edit Adding suggestions from the comments.
This is the simplest way to do it.
let total = parseInt(('100,000.00'.replace(',',''))) + parseInt(('500,000.00'.replace(',','')))
The MediaStore API is probably throwing away the alpha channel (i.e. decoding to RGB565). If you have a file path, just use BitmapFactory directly, but tell it to use a format that preserves alpha:
BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options);
selected_photo.setImageBitmap(bitmap);
or
http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html
Place it inside another div, use CSS to move the button to the middle:
<div style="width:100%;height:100%;position:absolute;vertical-align:middle;text-align:center;">
<button type="button" style="background-color:yellow;margin-left:auto;margin-right:auto;display:block;margin-top:22%;margin-bottom:0%">
mybuttonname</button>
</div>?
Here is an example: JsFiddle
A byte is 8 bits (binary data).
A byte array is an array of bytes (tautology FTW!).
You could use a byte array to store a collection of binary data, for example, the contents of a file. The downside to this is that the entire file contents must be loaded into memory.
For large amounts of binary data, it would be better to use a streaming data type if your language supports it.
I had hard times figuring it out myself and this post helped me to find the right answer for my case. When working with financial messaging as ISO-8583 the 3DES requirements are quite specific, so for my especial case the "DESede/CBC/PKCS5Padding" combinations wasn't solving the problem. After some comparative testing of my results against some 3DES calculators designed for the financial world I found the the value "DESede/ECB/Nopadding" is more suited for the the specific task.
Here is a demo implementation of my TripleDes class (using the Bouncy Castle provider)
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Security;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
/**
*
* @author Jose Luis Montes de Oca
*/
public class TripleDesCipher {
private static String TRIPLE_DES_TRANSFORMATION = "DESede/ECB/Nopadding";
private static String ALGORITHM = "DESede";
private static String BOUNCY_CASTLE_PROVIDER = "BC";
private Cipher encrypter;
private Cipher decrypter;
public TripleDesCipher(byte[] key) throws NoSuchAlgorithmException, NoSuchProviderException, NoSuchPaddingException,
InvalidKeyException {
Security.addProvider(new BouncyCastleProvider());
SecretKey keySpec = new SecretKeySpec(key, ALGORITHM);
encrypter = Cipher.getInstance(TRIPLE_DES_TRANSFORMATION, BOUNCY_CASTLE_PROVIDER);
encrypter.init(Cipher.ENCRYPT_MODE, keySpec);
decrypter = Cipher.getInstance(TRIPLE_DES_TRANSFORMATION, BOUNCY_CASTLE_PROVIDER);
decrypter.init(Cipher.DECRYPT_MODE, keySpec);
}
public byte[] encode(byte[] input) throws IllegalBlockSizeException, BadPaddingException {
return encrypter.doFinal(input);
}
public byte[] decode(byte[] input) throws IllegalBlockSizeException, BadPaddingException {
return decrypter.doFinal(input);
}
}
Do you can use ->stateless()
before the ->redirect()
.
Then you dont need the session anymore.
I think what you're looking for is:
textBox1.Select();
in the constructor. (This is in C#. Maybe in VB that would be the same but without the semicolon.)
From http://msdn.microsoft.com/en-us/library/system.windows.forms.control.focus.aspx :
Focus is a low-level method intended primarily for custom control authors. Instead, application programmers should use the Select method or the ActiveControl property for child controls, or the Activate method for forms.
Alternate syntax,
git fetch origin remote_branch_name:local_branch_name
The problem is not with the import
statement. The problem is that the control flow statements don't work inlined in a python command. Replace that import
statement with any other statement and you'll see the same problem.
Think about it: python can't possibly inline everything. It uses indentation to group control-flow.
Try to remove and add ios again
ionic cordova platform remove ios
ionic cordova platform add ios
Worked in my case
Library functions like "pow" are usually carefully crafted to yield the minimum possible error (in generic case). This is usually achieved approximating functions with splines (according to Pascal's comment the most common implementation seems to be using Remez algorithm)
fundamentally the following operation:
pow(x,y);
has a inherent error of approximately the same magnitude as the error in any single multiplication or division.
While the following operation:
float a=someValue;
float b=a*a*a*a*a*a;
has a inherent error that is greater more than 5 times the error of a single multiplication or division (because you are combining 5 multiplications).
The compiler should be really carefull to the kind of optimization it is doing:
pow(a,6)
to a*a*a*a*a*a
it may improve performance, but drastically reduce the accuracy for floating point numbers.a*a*a*a*a*a
to pow(a,6)
it may actually reduce the accuracy because "a" was some special value that allows multiplication without error (a power of 2 or some small integer number)pow(a,6)
to (a*a*a)*(a*a*a)
or (a*a)*(a*a)*(a*a)
there still can be a loss of accuracy compared to pow
function.In general you know that for arbitrary floating point values "pow" has better accuracy than any function you could eventually write, but in some special cases multiple multiplications may have better accuracy and performance, it is up to the developer choosing what is more appropriate, eventually commenting the code so that noone else would "optimize" that code.
The only thing that make sense (personal opinion, and apparently a choice in GCC wichout any particular optimization or compiler flag) to optimize should be replacing "pow(a,2)" with "a*a". That would be the only sane thing a compiler vendor should do.
In addition to the accepted answer, I want to give you an example!
For instance, we all use
System.Console.WriteLine()
But Where is the code for System.Console.WriteLine!?
which is the code that actually puts the text on the console?
If you look at the first page of the documentation for the Console class, you‘ll see near the top the following: Assembly: mscorlib (in mscorlib.dll) This indicates that the code for the Console class is located in an assem-bly named mscorlib. An assembly can consist of multiple files, but in this case it‘s only one file, which is the dynamic link library mscorlib.dll.
The mscorlib.dll file is very important in .NET, It is the main DLL for class libraries in .NET, and it contains all the basic .NET classes and structures.
if you know C or C++, generally you need a #include directive at the top that references a header file. The include file provides function prototypes to the compiler. on the contrast The C# compiler does not need header files. During compilation, the C# compiler access the mscorlib.dll file directly and obtains information from metadata in that file concerning all the classes and other types defined therein.
The C# compiler is able to establish that mscorlib.dll does indeed contain a class named Console in a namespace named System with a method named WriteLine that accepts a single argument of type string.
The C# compiler can determine that the WriteLine call is valid, and the compiler establishes a reference to the mscorlib assembly in the executable.
by default The C# compiler will access mscorlib.dll, but for other DLLs, you‘ll need to tell the compiler the assembly in which the classes are located. These are known as references.
I hope that it's clear now!
From DotNetBookZero Charles pitzold
My contribution to the problem, a Powershell INSERT script generator that lets you script multiple tables without having to use the cumbersome SSMS GUI. Great for rapidly persisting "seed" data into source control.
By default, the INSERT script generated will be "SeedData.sql" under the same folder as the script.
You will need the SQL Server Management Objects assemblies installed, which should be there if you have SSMS installed.
Add-Type -AssemblyName ("Microsoft.SqlServer.Smo, Version=12.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91")
Add-Type -AssemblyName ("Microsoft.SqlServer.ConnectionInfo, Version=12.0.0.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91")
#CUSTOMIZE ME
$outputFile = ".\SeedData.sql"
$connectionString = "Data Source=.;Initial Catalog=mydb;Integrated Security=True;"
$sqlConnection = new-object System.Data.SqlClient.SqlConnection($connectionString)
$conn = new-object Microsoft.SqlServer.Management.Common.ServerConnection($sqlConnection)
$srv = new-object Microsoft.SqlServer.Management.Smo.Server($conn)
$db = $srv.Databases[$srv.ConnectionContext.DatabaseName]
$scr = New-Object Microsoft.SqlServer.Management.Smo.Scripter $srv
$scr.Options.FileName = $outputFile
$scr.Options.AppendToFile = $false
$scr.Options.ScriptSchema = $false
$scr.Options.ScriptData = $true
$scr.Options.NoCommandTerminator = $true
$tables = New-Object Microsoft.SqlServer.Management.Smo.UrnCollection
#CUSTOMIZE ME
$tables.Add($db.Tables["Category"].Urn)
$tables.Add($db.Tables["Product"].Urn)
$tables.Add($db.Tables["Vendor"].Urn)
[void]$scr.EnumScript($tables)
$sqlConnection.Close()
Multiply the values by -1
There you go. All the highest numbers are now the lowest and vice versa.
Just remember that when you pop an element to multiply it with -1 in order to get the original value again.
Something like:
>>> bytes.fromhex('4a4b4c').decode('utf-8')
'JKL'
Just put the actual encoding you are using.
Yes. You can use rgba in both webkit and moz gradient declarations:
/* webkit example */
background-image: -webkit-gradient(
linear, left top, left bottom, from(rgba(50,50,50,0.8)),
to(rgba(80,80,80,0.2)), color-stop(.5,#333333)
);
(src)
/* mozilla example - FF3.6+ */
background-image: -moz-linear-gradient(
rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 95%
);
(src)
Apparently you can even do this in IE, using an odd "extended hex" syntax. The first pair (in the example 55) refers to the level of opacity:
/* approximately a 33% opacity on blue */
filter: progid:DXImageTransform.Microsoft.gradient(
startColorstr=#550000FF, endColorstr=#550000FF
);
/* IE8 uses -ms-filter for whatever reason... */
-ms-filter: progid:DXImageTransform.Microsoft.gradient(
startColorstr=#550000FF, endColorstr=#550000FF
);
(src)
A fragment must always be embedded in an activity and the fragment's lifecycle is directly affected by the host activity's lifecycle. For example, when the activity is paused, so are all fragments in it, and when the activity is destroyed, so are all fragments
That also resolved my issue.
@ViewChild('map', {static: false}) googleMap;
For Express.js you want to do req.params
:
app.get('/user/:id', function(req, res) {
res.send('user' + req.params.id);
});
Well, the first and second both generate something like the third in the end. However, don't use the third when you have a syntax for properties.
Finally, if you have no work to do in the get
or set
, then use the first.
In the end, the first and second are just some form of syntactic sugar, but why code more than what's necessary.
// more code == more bugs
And just to have a little fun, consider this:
public string A { get; private set; }
Now that's a lot more straight forward isn't it? The public
modifier is implied on both the get
and the set
, but it can be overriden. This would of course be the same rule for any modifier used when defining the property itself.
I've came across some other documents which they use \set
to declare scripting variable but the value is seems to be like constant value and I'm finding for way that can be acts like a variable not a constant variable.
Ex:
\set Comm 150
select sal, sal+:Comm from emp
Here sal
is the value that is present in the table 'emp' and comm
is the constant value.
I think you can do this with the hyperref
package, although I've not tried it myself. From the relevant LaTeX Wikibook section:
The
hyperref
package introduces another useful command;\autoref{}
. This command creates a reference with additional text corresponding to the targets type, all of which will be a hyperlink. For example, the command\autoref{sec:intro}
would create a hyperlink to the\label{sec:intro}
command, wherever it is. Assuming that this label is pointing to a section, the hyperlink would contain the text "section 3.4", or similar (capitalization rules will be followed, which makes this very convenient). You can customize the prefixed text by redefining\typeautorefname
to the prefix you want, as in:
\def\subsectionautorefname{section}
You can just use the pipe on its own:
"string1|string2"
for example:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|string2", "blah"));
Output:
blah, blah, string3
The main reason to use parentheses is to limit the scope of the alternatives:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string(1|2)", "blah"));
has the same output. but if you just do this:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|2", "blah"));
you get:
blah, stringblah, string3
because you've said "string1" or "2".
If you don't want to capture that part of the expression use ?:
:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string(?:1|2)", "blah"));
While technically correct, the other answers would benefit from an explanation of Angular's URL-to-route matching. I don't think you can fully (pardon the pun) understand what pathMatch: full
does if you don't know how the router works in the first place.
Let's first define a few basic things. We'll use this URL as an example: /users/james/articles?from=134#section
.
It may be obvious but let's first point out that query parameters (?from=134
) and fragments (#section
) do not play any role in path matching. Only the base url (/users/james/articles
) matters.
Angular splits URLs into segments. The segments of /users/james/articles
are, of course, users
, james
and articles
.
The router configuration is a tree structure with a single root node. Each Route
object is a node, which may have children
nodes, which may in turn have other children
or be leaf nodes.
The goal of the router is to find a router configuration branch, starting at the root node, which would match exactly all (!!!) segments of the URL. This is crucial! If Angular does not find a route configuration branch which could match the whole URL - no more and no less - it will not render anything.
E.g. if your target URL is /a/b/c
but the router is only able to match either /a/b
or /a/b/c/d
, then there is no match and the application will not render anything.
Finally, routes with redirectTo
behave slightly differently than regular routes, and it seems to me that they would be the only place where anyone would really ever want to use pathMatch: full
. But we will get to this later.
prefix
) path matchingThe reasoning behind the name prefix
is that such a route configuration will check if the configured path
is a prefix of the remaining URL segments. However, the router is only able to match full segments, which makes this naming slightly confusing.
Anyway, let's say this is our root-level router configuration:
const routes: Routes = [
{
path: 'products',
children: [
{
path: ':productID',
component: ProductComponent,
},
],
},
{
path: ':other',
children: [
{
path: 'tricks',
component: TricksComponent,
},
],
},
{
path: 'user',
component: UsersonComponent,
},
{
path: 'users',
children: [
{
path: 'permissions',
component: UsersPermissionsComponent,
},
{
path: ':userID',
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
},
],
},
];
Note that every single Route
object here uses the default matching strategy, which is prefix
. This strategy means that the router iterates over the whole configuration tree and tries to match it against the target URL segment by segment until the URL is fully matched. Here's how it would be done for this example:
users
.'products' !== 'users'
, so skip that branch. Note that we are using an equality check rather than a .startsWith()
or .includes()
- only full segment matches count!:other
matches any value, so it's a match. However, the target URL is not yet fully matched (we still need to match james
and articles
), thus the router looks for children.:other
is tricks
, which is !== 'james'
, hence not a match.'user' !== 'users
, skip branch.'users' === 'users
- the segment matches. However, this is not a full match yet, thus we need to look for children (same as in step 3).'permissions' !== 'james'
, skip it.:userID
matches anything, thus we have a match for the james
segment. However this is still not a full match, thus we need to look for a child which would match articles
.
:userID
has a child route articles
, which gives us a full match! Thus the application renders UserArticlesComponent
.full
) matchingImagine now that the users
route configuration object looked like this:
{
path: 'users',
component: UsersComponent,
pathMatch: 'full',
children: [
{
path: 'permissions',
component: UsersPermissionsComponent,
},
{
path: ':userID',
component: UserComponent,
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
},
],
}
Note the usage of pathMatch: full
. If this were the case, steps 1-5 would be the same, however step 6 would be different:
'users' !== 'users/james/articles
- the segment does not match because the path configuration users
with pathMatch: full
does not match the full URL, which is users/james/articles
.What if we had this instead:
{
path: 'users/:userID',
component: UsersComponent,
pathMatch: 'full',
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
}
users/:userID
with pathMatch: full
matches only users/james
thus it's a no-match once again, and the application renders nothing.
Let's consider this:
{
path: 'users',
children: [
{
path: 'permissions',
component: UsersPermissionsComponent,
},
{
path: ':userID',
component: UserComponent,
pathMatch: 'full',
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
},
],
}
In this case:
'users' === 'users
- the segment matches, but james/articles
still remains unmatched. Let's look for children.'permissions' !== 'james'
- skip.:userID'
can only match a single segment, which would be james
. However, it's a pathMatch: full
route, and it must match james/articles
(the whole remaining URL). It's not able to do that and thus it's not a match (so we skip this branch)!As you may have noticed, a pathMatch: full
configuration is basically saying this:
Ignore my children and only match me. If I am not able to match all of the remaining URL segments myself, then move on.
Any Route
which has defined a redirectTo
will be matched against the target URL according to the same principles. The only difference here is that the redirect is applied as soon as a segment matches. This means that if a redirecting route is using the default prefix
strategy, a partial match is enough to cause a redirect. Here's a good example:
const routes: Routes = [
{
path: 'not-found',
component: NotFoundComponent,
},
{
path: 'users',
redirectTo: 'not-found',
},
{
path: 'users/:userID',
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
},
];
For our initial URL (/users/james/articles
), here's what would happen:
'not-found' !== 'users'
- skip it.'users' === 'users'
- we have a match.redirectTo: 'not-found'
, which is applied immediately.not-found
.not-found
right away. The application renders NotFoundComponent
.Now consider what would happen if the users
route also had pathMatch: full
:
const routes: Routes = [
{
path: 'not-found',
component: NotFoundComponent,
},
{
path: 'users',
pathMatch: 'full',
redirectTo: 'not-found',
},
{
path: 'users/:userID',
children: [
{
path: 'comments',
component: UserCommentsComponent,
},
{
path: 'articles',
component: UserArticlesComponent,
},
],
},
];
'not-found' !== 'users'
- skip it.users
would match the first segment of the URL, but the route configuration requires a full
match, thus skip it.'users/:userID'
matches users/james
. articles
is still not matched but this route has children.articles
in the children. The whole URL is now matched and the application renders UserArticlesComponent
.path: ''
)The empty path is a bit of a special case because it can match any segment without "consuming" it (so it's children would have to match that segment again). Consider this example:
const routes: Routes = [
{
path: '',
children: [
{
path: 'users',
component: BadUsersComponent,
}
]
},
{
path: 'users',
component: GoodUsersComponent,
},
];
Let's say we are trying to access /users
:
path: ''
will always match, thus the route matches. However, the whole URL has not been matched - we still need to match users
!users
, which matches the remaining (and only!) segment and we have a full match. The application renders BadUsersComponent
.The OP used this router configuration:
const routes: Routes = [
{
path: 'welcome',
component: WelcomeComponent,
},
{
path: '',
redirectTo: 'welcome',
pathMatch: 'full',
},
{
path: '**',
redirectTo: 'welcome',
pathMatch: 'full',
},
];
If we are navigating to the root URL (/
), here's how the router would resolve that:
welcome
does not match an empty segment, so skip it.path: ''
matches the empty segment. It has a pathMatch: 'full'
, which is also satisfied as we have matched the whole URL (it had a single empty segment).welcome
happens and the application renders WelcomeComponent
.pathMatch: 'full'
?Actually, one would expect the whole thing to behave exactly the same. However, Angular explicitly prevents such a configuration ({ path: '', redirectTo: 'welcome' }
) because if you put this Route
above welcome
, it would theoretically create an endless loop of redirects. So Angular just throws an error, which is why the application would not work at all! (https://angular.io/api/router/Route#pathMatch)
Actually, this does not make too much sense to me because Angular also has implemented a protection against such endless redirects - it only runs a single redirect per routing level! This would stop all further redirects (as you'll see in the example below).
path: '**'
?path: '**'
will match absolutely anything (af/frewf/321532152/fsa
is a match) with or without a pathMatch: 'full'
.
Also, since it matches everything, the root path is also included, which makes { path: '', redirectTo: 'welcome' }
completely redundant in this setup.
Funnily enough, it is perfectly fine to have this configuration:
const routes: Routes = [
{
path: '**',
redirectTo: 'welcome'
},
{
path: 'welcome',
component: WelcomeComponent,
},
];
If we navigate to /welcome
, path: '**'
will be a match and a redirect to welcome will happen. Theoretically this should kick off an endless loop of redirects but Angular stops that immediately (because of the protection I mentioned earlier) and the whole thing works just fine.
Just a quick thing, that denotes the intent of descending order.
descending = -1
a.sort_by { |h| h[:bar] * descending }
(Will think of a better way in the mean time) ;)
a.sort_by { |h| h[:bar] }.reverse!
Just cd
in the directory where you have installed git-credential-winstore. If you don't know where, just run this in Git Bash:
cat ~/.gitconfig
It should print something looking like:
[credential]
helper = !'C:\\ProgramFile\\GitCredStore\\git-credential-winstore.exe'
In this case, you repository is C:\ProgramFile\GitCredStore. Once you are inside this folder using Git Bash or the Windows command, just type:
git-credential-winstore.exe erase
host=github.com
protocol=https
Don't forget to press Enter twice after protocol=https
.
I wouldn't go with MSTest. Although it's probably the most future proof of the frameworks with Microsoft behind it's not the most flexible solution. It won't run stand alone without some hacks. So running it on a build server other than TFS without installing Visual Studio is hard. The visual studio test-runner is actually slower than Testdriven.Net + any of the other frameworks. And because the releases of this framework are tied to releases of Visual Studio there are less updates and if you have to work with an older VS you're tied to an older MSTest.
I don't think it matters a lot which of the other frameworks you use. It's really easy to switch from one to another.
I personally use XUnit.Net or NUnit depending on the preference of my coworkers. NUnit is the most standard. XUnit.Net is the leanest framework.
say easily http://www.google.com/maps/place/lat,lng
format
sample url:
In Toad I use this works:
declare
num number;
begin
---- use 'select into' works
--select 123 into num from dual;
---- also can use :=
num := 123;
dbms_output.Put_line(num);
end;
Then the value will be print to DBMS Output
Window.
Even if you are using IIS or apache, in my guess you are using static html page as a landing page, and by default the web server doesn't allow POST or GET verb on .html page, facebook calls your page via POST/GET verb
the solution would be to rename the page into .php or .aspx and you should be good to go :)
If you are using ES6 in Node 4, you cannot use ES6 module syntax without a transpiler, but CommonJS modules (Node's standard modules) work the same.
module.export.AspectType
should be
module.exports.AspectType
hence the error message "Cannot set property 'AspectType' of undefined" because module.export === undefined
.
Also, for
var AspectType = class AspectType {
// ...
};
can you just write
class AspectType {
// ...
}
and get essentially the same behavior.
The Standard C++11 way (if you don't care about the output format):
#include <string>
auto str = std::to_string(42.5);
to_string
is a new library function introduced in N1803 (r0), N1982 (r1) and N2408 (r2) "Simple Numeric Access". There are also the stod
function to perform the reverse operation.
If you do want to have a different output format than "%f"
, use the snprintf
or ostringstream
methods as illustrated in other answers.
This is an update for dcodesmith's answer https://stackoverflow.com/a/21369918/1668200
The proposed solution also works when the text is longer (i.e. the lines need to wrap): Updated Fiddle
When you're using a grid system, you might need to do one of the following (at least this is true for Foundation 6 - couldn't reproduce it in the Fiddle):
box-sizing:content-box;
to the list or its containertext-indent:-2em;
to -1.5em
P.S.: I wanted to add this as an edit to the original answer, but it was rejected.
private void button1_Click(object sender, EventArgs e)
{
String query = "INSERT INTO product (productid, productname,productdesc,productqty) VALUES (@txtitemid,@txtitemname,@txtitemdesc,@txtitemqty)";
try
{
using (SqlCommand command = new SqlCommand(query, con))
{
command.Parameters.AddWithValue("@txtitemid", txtitemid.Text);
command.Parameters.AddWithValue("@txtitemname", txtitemname.Text);
command.Parameters.AddWithValue("@txtitemdesc", txtitemdesc.Text);
command.Parameters.AddWithValue("@txtitemqty", txtitemqty.Text);
con.Open();
int result = command.ExecuteNonQuery();
// Check Error
if (result < 0)
MessageBox.Show("Error");
MessageBox.Show("Record...!", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
con.Close();
loader();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
con.Close();
}
}
This updates the answers with the latest Fetch API and doesn't need jQuery.
Disclaimer: doesn't work on IE, Opera Mini and older browsers. See caniuse.
Basic Fetch
It could be as simple as:
fetch(`https://example.com/upload.php`, {method:"POST", body:blobData})
.then(response => console.log(response.text()))
Fetch with Error Handling
After adding error handling, it could look like:
fetch(`https://example.com/upload.php`, {method:"POST", body:blobData})
.then(response => {
if (response.ok) return response;
else throw Error(`Server returned ${response.status}: ${response.statusText}`)
})
.then(response => console.log(response.text()))
.catch(err => {
alert(err);
});
PHP Code
This is the server-side code in upload.php.
<?php
// gets entire POST body
$data = file_get_contents('php://input');
// write the data out to the file
$fp = fopen("path/to/file", "wb");
fwrite($fp, $data);
fclose($fp);
?>
LINQ Any() would do the job:
bool contains = myList.Any(s => s.Contains(pattern));
Determines whether any element of a sequence satisfies a condition
Don't know if it's the best way but I'd do this:
=A1 & TEXT(A2,"mm/dd/yyyy")
That should format your date into your desired string.
Edit: That funny number you saw is the number of days between December 31st 1899 and your date. That's how Excel stores dates.
I have a list of color names in range A2:A8, in column B I want to extract a distinct list of color names.
Follow the below given steps:
=IF(COUNTIF(A$2:A2,A2)=1,A2,””)
1) Server.MapPath(".")
-- Returns the "Current Physical Directory" of the file (e.g. aspx
) being executed.
Ex. Suppose D:\WebApplications\Collage\Departments
2) Server.MapPath("..")
-- Returns the "Parent Directory"
Ex. D:\WebApplications\Collage
3) Server.MapPath("~")
-- Returns the "Physical Path to the Root of the Application"
Ex. D:\WebApplications\Collage
4) Server.MapPath("/")
-- Returns the physical path to the root of the Domain Name
Ex. C:\Inetpub\wwwroot
dplyr
definitely does things that data.table
can not.Your point #3
dplyr abstracts (or will) potential DB interactions
is a direct answer to your own question but isn't elevated to a high enough level. dplyr
is truly an extendable front-end to multiple data storage mechanisms where as data.table
is an extension to a single one.
Look at dplyr
as a back-end agnostic interface, with all of the targets using the same grammer, where you can extend the targets and handlers at will. data.table
is, from the dplyr
perspective, one of those targets.
You will never (I hope) see a day that data.table
attempts to translate your queries to create SQL statements that operate with on-disk or networked data stores.
dplyr
can possibly do things data.table
will not or might not do as well.Based on the design of working in-memory, data.table
could have a much more difficult time extending itself into parallel processing of queries than dplyr
.
Are there analytical tasks that are a lot easier to code with one or the other package for people familiar with the packages (i.e. some combination of keystrokes required vs. required level of esotericism, where less of each is a good thing).
This may seem like a punt but the real answer is no. People familiar with tools seem to use the either the one most familiar to them or the one that is actually the right one for the job at hand. With that being said, sometimes you want to present a particular readability, sometimes a level of performance, and when you have need for a high enough level of both you may just need another tool to go along with what you already have to make clearer abstractions.
Are there analytical tasks that are performed substantially (i.e. more than 2x) more efficiently in one package vs. another.
Again, no. data.table
excels at being efficient in everything it does where dplyr
gets the burden of being limited in some respects to the underlying data store and registered handlers.
This means when you run into a performance issue with data.table
you can be pretty sure it is in your query function and if it is actually a bottleneck with data.table
then you've won yourself the joy of filing a report. This is also true when dplyr
is using data.table
as the back-end; you may see some overhead from dplyr
but odds are it is your query.
When dplyr
has performance issues with back-ends you can get around them by registering a function for hybrid evaluation or (in the case of databases) manipulating the generated query prior to execution.
Also see the accepted answer to when is plyr better than data.table?
In jquery, u can delcare variable two styles.
One is,
$.name = 'anirudha';
alert($.name);
Second is,
var hText = $("#head1").text();
Second is used when you read data from textbox
, label
, etc.
Sure! Setup:
>>> import pandas as pd
>>> from random import randint
>>> df = pd.DataFrame({'A': [randint(1, 9) for x in range(10)],
'B': [randint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9)*100 for x in range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False
1 True
2 True
3 True
4 False
5 False
6 True
7 True
8 True
9 True
Name: B
>>> (df["B"] > 50) & (df["C"] == 900)
0 False
1 False
2 True
3 True
4 False
5 False
6 False
7 False
8 False
9 False
[Update, to switch to new-style .loc
]:
And then we can use these to index into the object. For read access, you can chain indices:
>>> df["A"][(df["B"] > 50) & (df["C"] == 900)]
2 5
3 8
Name: A, dtype: int64
but you can get yourself into trouble because of the difference between a view and a copy doing this for write access. You can use .loc
instead:
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"]
2 5
3 8
Name: A, dtype: int64
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"].values
array([5, 8], dtype=int64)
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"] *= 1000
>>> df
A B C
0 9 40 300
1 9 70 700
2 5000 70 900
3 8000 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
Note that I accidentally typed == 900
and not != 900
, or ~(df["C"] == 900)
, but I'm too lazy to fix it. Exercise for the reader. :^)
Problem occurs because of the entry mapping class="annotations.Users"
in hibernate.cfg.xml
remove that line then it will be work.
I had the same issue. When I removed the above line then it was working fine for me.
While I tried the approach above, it becomes a complete disaster with mvc. Your controller passing a model and your view using a strongly typed model become too difficult to work with.
Get your Dataset into a List ..... I have a repository pattern and here is an example of getting a dataset from an old school asmx web service private readonly CISOnlineSRVDEV.ServiceSoapClient _ServiceSoapClient;
public Get_Client_Repository()
: this(new CISOnlineSRVDEV.ServiceSoapClient())
{
}
public Get_Client_Repository(CISOnlineSRVDEV.ServiceSoapClient serviceSoapClient)
{
_ServiceSoapClient = serviceSoapClient;
}
public IEnumerable<IClient> GetClient(IClient client)
{
// **** Calling teh web service with passing in the clientId and returning a dataset
DataSet dataSet = _ServiceSoapClient.get_clients(client.RbhaId,
client.ClientId,
client.AhcccsId,
client.LastName,
client.FirstName,
"");//client.BirthDate.ToString()); //TODO: NEED TO FIX
// USE LINQ to go through the dataset to make it easily available for the Model to display on the View page
List<IClient> clients = (from c in dataSet.Tables[0].AsEnumerable()
select new Client()
{
RbhaId = c[5].ToString(),
ClientId = c[2].ToString(),
AhcccsId = c[6].ToString(),
LastName = c[0].ToString(), // Add another field called Sex M/F c[4]
FirstName = c[1].ToString(),
BirthDate = c[3].ToDateTime() //extension helper ToDateTime()
}).ToList<IClient>();
return clients;
}
Then in the Controller I'm doing this
IClient client = (IClient)TempData["Client"];
// Instantiate and instance of the repository
var repository = new Get_Client_Repository();
// Set a model object to return the dynamic list from repository method call passing in the parameter data
var model = repository.GetClient(client);
// Call the View up passing in the data from the list
return View(model);
Then in the View it is easy :
@model IEnumerable<CISOnlineMVC.DAL.IClient>
@{
ViewBag.Title = "CLIENT ALL INFORMATION";
}
<h2>CLIENT ALL INFORMATION</h2>
<table>
<tr>
<th></th>
<th>Last Name</th>
<th>First Name</th>
<th>Client ID</th>
<th>DOB</th>
<th>Gender</th>
<th>RBHA ID</th>
<th>AHCCCS ID</th>
</tr>
@foreach (var item in Model) {
<tr>
<td>
@Html.ActionLink("Select", "ClientDetails", "Cis", new { id = item.ClientId }, null) |
</td>
<td>
@item.LastName
</td>
<td>
@item.FirstName
</td>
<td>
@item.ClientId
</td>
<td>
@item.BirthDate
</td>
<td>
Gender @* ADD in*@
</td>
<td>
@item.RbhaId
</td>
<td>
@item.AhcccsId
</td>
</tr>
}
</table>
I would recommend that start using mysqli_() and stop using mysql_()
Check the following page: LINK
Warning This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: mysqli_affected_rows() PDOStatement::rowCount()
The listed return type of the method is Task<string>
. You're trying to return a string
. They are not the same, nor is there an implicit conversion from string to Task<string>
, hence the error.
You're likely confusing this with an async
method in which the return value is automatically wrapped in a Task
by the compiler. Currently that method is not an async method. You almost certainly meant to do this:
private async Task<string> methodAsync()
{
await Task.Delay(10000);
return "Hello";
}
There are two key changes. First, the method is marked as async
, which means the return type is wrapped in a Task
, making the method compile. Next, we don't want to do a blocking wait. As a general rule, when using the await
model always avoid blocking waits when you can. Task.Delay
is a task that will be completed after the specified number of milliseconds. By await
-ing that task we are effectively performing a non-blocking wait for that time (in actuality the remainder of the method is a continuation of that task).
If you prefer a 4.0 way of doing it, without using await
, you can do this:
private Task<string> methodAsync()
{
return Task.Delay(10000)
.ContinueWith(t => "Hello");
}
The first version will compile down to something that is more or less like this, but it will have some extra boilerplate code in their for supporting error handling and other functionality of await
we aren't leveraging here.
If your Thread.Sleep(10000)
is really meant to just be a placeholder for some long running method, as opposed to just a way of waiting for a while, then you'll need to ensure that the work is done in another thread, instead of the current context. The easiest way of doing that is through Task.Run
:
private Task<string> methodAsync()
{
return Task.Run(()=>
{
SomeLongRunningMethod();
return "Hello";
});
}
Or more likely:
private Task<string> methodAsync()
{
return Task.Run(()=>
{
return SomeLongRunningMethodThatReturnsAString();
});
}
Java arrays are actually fixed in size, and the other answers explain how .length isn't really doing what you'd expect. I'd just like to add that given your question what you might want to be using is an ArrayList, that is an array that can grow and shrink:
https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html
Here the .size() method will show you the number of elements in your list, and you can grow this as you add things.
In your current code, what Dictionary.update()
does is that it updates (update means the value is overwritten from the value for same key in passed in dictionary) the keys in current dictionary with the values from the dictionary passed in as the parameter to it (adding any new key:value pairs if existing) . A single flat dictionary does not satisfy your requirement , you either need a list of dictionaries or a dictionary with nested dictionaries.
If you want a list of dictionaries (where each element in the list would be a diciotnary of a entry) then you can make case_list
as a list and then append case
to it (instead of update) .
Example -
case_list = []
for entry in entries_list:
case = {'key1': entry[0], 'key2': entry[1], 'key3':entry[2] }
case_list.append(case)
Or you can also have a dictionary of dictionaries with the key of each element in the dictionary being entry1
or entry2
, etc and the value being the corresponding dictionary for that entry.
case_list = {}
for entry in entries_list:
case = {'key1': value, 'key2': value, 'key3':value }
case_list[entryname] = case #you will need to come up with the logic to get the entryname.
It would be easier to use XML in SQL Server to insert multiple rows otherwise it becomes very tedious.
View full article with code explanations here http://www.cyberminds.co.uk/blog/articles/how-to-insert-multiple-rows-in-sql-server.aspx
Copy the following code into sql server to view a sample.
declare @test nvarchar(max)
set @test = '<topic><dialog id="1" answerId="41">
<comment>comment 1</comment>
</dialog>
<dialog id="2" answerId="42" >
<comment>comment 2</comment>
</dialog>
<dialog id="3" answerId="43" >
<comment>comment 3</comment>
</dialog>
</topic>'
declare @testxml xml
set @testxml = cast(@test as xml)
declare @answerTemp Table(dialogid int, answerid int, comment varchar(1000))
insert @answerTemp
SELECT ParamValues.ID.value('@id','int') ,
ParamValues.ID.value('@answerId','int') ,
ParamValues.ID.value('(comment)[1]','VARCHAR(1000)')
FROM @testxml.nodes('topic/dialog') as ParamValues(ID)
This is for 5 days:
var myDate = new Date(new Date().getTime()+(5*24*60*60*1000));
You don't need JQuery, you can do it in JavaScript, Hope you get it.
Have a look at json_encode() in PHP. You can get $.ajax to recognize this with the dataType: "json" parameter.
The idea that you hope to achieve can be made possible if you tweak the requirement a little bit
The below code is possible if your runtime supports the ES6 specification.
More about async functions
async function myAsynchronousCall(param1) {
// logic for myAsynchronous call
return d;
}
function doSomething() {
var data = await myAsynchronousCall(param1); //'blocks' here until the async call is finished
return data;
}
Open tmux configuration file with the following command:
vim ~/.tmux.conf
In the configuration file add the following line:
set -g history-limit 5000
Log out and log in again, start a new tmux windows and your limit is 5000 now.
My dirty solution:
private static Bitmap getDropShadow3(Bitmap bitmap) {
if (bitmap==null) return null;
int think = 6;
int w = bitmap.getWidth();
int h = bitmap.getHeight();
int newW = w - (think);
int newH = h - (think);
Bitmap.Config conf = Bitmap.Config.ARGB_8888;
Bitmap bmp = Bitmap.createBitmap(w, h, conf);
Bitmap sbmp = Bitmap.createScaledBitmap(bitmap, newW, newH, false);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
Canvas c = new Canvas(bmp);
// Right
Shader rshader = new LinearGradient(newW, 0, w, 0, Color.GRAY, Color.LTGRAY, Shader.TileMode.CLAMP);
paint.setShader(rshader);
c.drawRect(newW, think, w, newH, paint);
// Bottom
Shader bshader = new LinearGradient(0, newH, 0, h, Color.GRAY, Color.LTGRAY, Shader.TileMode.CLAMP);
paint.setShader(bshader);
c.drawRect(think, newH, newW , h, paint);
//Corner
Shader cchader = new LinearGradient(0, newH, 0, h, Color.LTGRAY, Color.LTGRAY, Shader.TileMode.CLAMP);
paint.setShader(cchader);
c.drawRect(newW, newH, w , h, paint);
c.drawBitmap(sbmp, 0, 0, null);
return bmp;
}
result:
You should compile your project with latest version so update & install from your SDK. Sync your project with sync project with Gradle file
Button.
You can also continue with the existing version but check it installed properly below image indicate to API 22 that is properly installed.
And sync your project if needed.
it may help.
a solution i developed and much more stable than any other:
public class URLParamEncoder {
public static String encode(String input) {
StringBuilder resultStr = new StringBuilder();
for (char ch : input.toCharArray()) {
if (isUnsafe(ch)) {
resultStr.append('%');
resultStr.append(toHex(ch / 16));
resultStr.append(toHex(ch % 16));
} else {
resultStr.append(ch);
}
}
return resultStr.toString();
}
private static char toHex(int ch) {
return (char) (ch < 10 ? '0' + ch : 'A' + ch - 10);
}
private static boolean isUnsafe(char ch) {
if (ch > 128 || ch < 0)
return true;
return " %$&+,/:;=?@<>#%".indexOf(ch) >= 0;
}
}
Strongly recommend this article.
I just plugged it in and it worked
http://garmoncheg.blogspot.com.au/2012/07/django-resetting-passwords-with.html
I added -adaptive-resize 60%
to the suggested command, but with -quality 60%
.
convert -strip -interlace Plane -gaussian-blur 0.05 -quality 60% -adaptive-resize 60% img_original.jpg img_resize.jpg
These were my results
I'm not sure if that conversion destroys my image too much, but I honestly didn't think my conversion looked like crap. It was a wide angle panorama and I didn't care for meticulous obstruction.
My solution:
#!/bin/bash
user_cmds="$@"
GID=$(id -g $USER)
UID=$(id -u $USER)
RUN_SCRIPT=$(mktemp -p $(pwd))
(
cat << EOF
addgroup --gid $GID $USER
useradd --no-create-home --home /cmd --gid $GID --uid $UID $USER
cd /cmd
runuser -l $USER -c "${user_cmds}"
EOF
) > $RUN_SCRIPT
trap "rm -rf $RUN_SCRIPT" EXIT
docker run -v $(pwd):/cmd --rm my-docker-image "bash /cmd/$(basename ${RUN_SCRIPT})"
This allows the user to run arbitrary commands using the tools provides by my-docker-image
. Note how the user's current working directory is volume mounted
to /cmd
inside the container.
I am using this workflow to allow my dev-team to cross-compile C/C++ code for the arm64 target, whose bsp I maintain (the my-docker-image
contains the cross-compiler, sysroot, make, cmake, etc). With this a user can simply do something like:
cd /path/to/target_software
cross_compile.sh "mkdir build; cd build; cmake ../; make"
Where cross_compile.sh
is the script shown above. The addgroup/useradd
machinery allows user-ownership of any files/directories created by the build.
While this works for us. It seems sort of hacky. I'm open to alternative implementations ...
Like everyone else:
for i, val in enumerate(data):
print i, val
but also
for i, val in enumerate(data, 1):
print i, val
In other words, you can specify as starting value for the index/count generated by enumerate() which comes in handy if you don't want your index to start with the default value of zero.
I was printing out lines in a file the other day and specified the starting value as 1 for enumerate()
, which made more sense than 0 when displaying information about a specific line to the user.
The answer below uses git log
:
I mentioned a similar approach in 2009 with "Unable to show a Git tree in terminal":
git log --graph --pretty=oneline --abbrev-commit
But the full one I have been using is in "How to display the tag name and branch name using git log --graph" (2011):
git config --global alias.lgb "log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset%n' --abbrev-commit --date=relative --branches"
git lgb
Original answer (2010)
git show-branch --list
comes close of what you are looking for (with the topo order)
--topo-order
By default, the branches and their commits are shown in reverse chronological order.
This option makes them appear in topological order (i.e., descendant commits are shown before their parents).
But the tool git wtf can help too. Example:
$ git wtf
Local branch: master
[ ] NOT in sync with remote (needs push)
- Add before-search hook, for shortcuts for custom search queries. [4430d1b] (edwardzyang@...; 7 days ago)
Remote branch: origin/master ([email protected]:sup/mainline.git)
[x] in sync with local
Feature branches:
{ } origin/release-0.8.1 is NOT merged in (1 commit ahead)
- bump to 0.8.1 [dab43fb] (wmorgan-sup@...; 2 days ago)
[ ] labels-before-subj is NOT merged in (1 commit ahead)
- put labels before subject in thread index view [790b64d] (marka@...; 4 weeks ago)
{x} origin/enclosed-message-display-tweaks merged in
(x) experiment merged in (only locally)
NOTE: working directory contains modified files
git-wtf
shows you:
- How your branch relates to the remote repo, if it's a tracking branch.
- How your branch relates to non-feature ("version") branches, if it's a feature branch.
- How your branch relates to the feature branches, if it's a version branch
The official Jenkins documentation only mentions single line commands like the following:
// Declarative //
and (see)
pipeline {
/* insert Declarative Pipeline here */
}
The syntax of the Jenkinsfile is based on Groovy so it is also possible to use groovy syntax for comments. Quote:
/* a standalone multiline comment
spanning two lines */
println "hello" /* a multiline comment starting
at the end of a statement */
println 1 /* one */ + 2 /* two */
or
/**
* such a nice comment
*/
I'd rather recommend you to use Volley to make GET, PUT, POST... requests.
First, add dependency in your gradle file.
compile 'com.he5ed.lib:volley:android-cts-5.1_r4'
Now, use this code snippet to make requests.
RequestQueue queue = Volley.newRequestQueue(getApplicationContext());
StringRequest postRequest = new StringRequest( com.android.volley.Request.Method.POST, mURL,
new Response.Listener<String>()
{
@Override
public void onResponse(String response) {
// response
Log.d("Response", response);
}
},
new Response.ErrorListener()
{
@Override
public void onErrorResponse(VolleyError error) {
// error
Log.d("Error.Response", error.toString());
}
}
) {
@Override
protected Map<String, String> getParams()
{
Map<String, String> params = new HashMap<String, String>();
//add your parameters here as key-value pairs
params.put("username", username);
params.put("password", password);
return params;
}
};
queue.add(postRequest);
Here is the split function I use:
--
-- split function
-- s : string to split
-- del : delimiter
-- i : index requested
--
DROP FUNCTION IF EXISTS SPLIT_STRING;
DELIMITER $
CREATE FUNCTION
SPLIT_STRING ( s VARCHAR(1024) , del CHAR(1) , i INT)
RETURNS VARCHAR(1024)
DETERMINISTIC -- always returns same results for same input parameters
BEGIN
DECLARE n INT ;
-- get max number of items
SET n = LENGTH(s) - LENGTH(REPLACE(s, del, '')) + 1;
IF i > n THEN
RETURN NULL ;
ELSE
RETURN SUBSTRING_INDEX(SUBSTRING_INDEX(s, del, i) , del , -1 ) ;
END IF;
END
$
DELIMITER ;
SET @agg = "G1;G2;G3;G4;" ;
SELECT SPLIT_STRING(@agg,';',1) ;
SELECT SPLIT_STRING(@agg,';',2) ;
SELECT SPLIT_STRING(@agg,';',3) ;
SELECT SPLIT_STRING(@agg,';',4) ;
SELECT SPLIT_STRING(@agg,';',5) ;
SELECT SPLIT_STRING(@agg,';',6) ;
I ran some tests (on postgres 9.5) using two tables with ~2M rows each. This query below performed at least 5* better than the other queries proposed:
-- Count
SELECT count(*) FROM (
(SELECT id FROM table1) EXCEPT (SELECT id FROM table2)
) t1_not_in_t2;
-- Get full row
SELECT table1.* FROM (
(SELECT id FROM table1) EXCEPT (SELECT id FROM table2)
) t1_not_in_t2 JOIN table1 ON t1_not_in_t2.id=table1.id;
Simplest way is to save it to temp file and then read it:
import pandas as pd
CSV_FILE_NAME = 'temp_file.csv' # Consider creating temp file, look URL below
with open(CSV_FILE_NAME, 'w') as outfile:
outfile.write(TESTDATA)
df = pd.read_csv(CSV_FILE_NAME, sep=';')
Right way of creating temp file: How can I create a tmp file in Python?
The problem described here was solved by me quite a long time ago but I don't really remember what was the main reason that uploads weren't working. There were multiple things that needed fixing so the upload could work. I have created checklist that might help others having similar problems and I will edit it to make it as helpful as possible. As I said before on chat, I was working on embedded system, so some points may be skipped on non-embedded systems.
Check upload_tmp_dir
in php.ini. This is directory where PHP stores temporary files while uploading.
Check open_basedir
in php.ini. If defined it limits PHP read/write rights to specified path and its subdirectories. Ensure that upload_tmp_dir
is inside this path.
Check post_max_size
in php.ini. If you want to upload 20 Mbyte files, try something a little bigger, like post_max_size = 21M
. This defines largest size of POST message which you are probably using during upload.
Check upload_max_filesize
in php.ini. This specifies biggest file that can be uploaded.
Check memory_limit
in php.ini. That's the maximum amount of memory a script may consume. It's quite obvious that it can't be lower than upload size (to be honest I'm not quite sure about it-PHP is probably buffering while copying temporary files).
Ensure that you're checking the right php.ini file that is one used by PHP on your webserver. The best solution is to execute script with directive described here http://php.net/manual/en/function.php-ini-loaded-file.php (php_ini_loaded_file
function)
Check what user php runs as (See here how to do it: How to check what user php is running as? ). I have worked on different distros and servers. Sometimes it is apache
, but sometimes it can be root
. Anyway, check that this user has rights for reading and writing in the temporary directory and directory that you're uploading into. Check all directories in the path in case you're uploading into subdirectory (for example /dir1/dir2/
-check both dir1
and dir2
.
On embedded platforms you sometimes need to restrict writing to root filesystem because it is stored on flash card and this helps to extend life of this card. If you are using scripts to enable/disable file writes, ensure that you enable writing before uploading.
I had serious problems with PHP >5.4 upload monitoring based on sessions (as described here http://phpmaster.com/tracking-upload-progress-with-php-and-javascript/ ) on some platforms. Try something simple at first (like here: http://www.dzone.com/snippets/very-simple-php-file-upload ). If it works, you can try more sophisticated mechanisms.
If you make any changes in php.ini remember to restart server so the configuration will be reloaded.
If you want to authenticate against a user name and password and without an authorization cookie, the MVC4 Authorize attribute won't work out of the box. However, you can add the following helper method to your controller to accept basic authentication headers. Call it from the beginning of your controller's methods.
void EnsureAuthenticated(string role)
{
string[] parts = UTF8Encoding.UTF8.GetString(Convert.FromBase64String(Request.Headers.Authorization.Parameter)).Split(':');
if (parts.Length != 2 || !Membership.ValidateUser(parts[0], parts[1]))
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.Unauthorized, "No account with that username and password"));
if (role != null && !Roles.IsUserInRole(parts[0], role))
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.Unauthorized, "An administrator account is required"));
}
From the client side, this helper creates a HttpClient
with the authentication header in place:
static HttpClient CreateBasicAuthenticationHttpClient(string userName, string password)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(UTF8Encoding.UTF8.GetBytes(userName + ':' + password)));
return client;
}