You can make a symbolic link of your module to the standard path, so depmod will see it and you'll be able load it as any other module.
sudo ln -s /path/to/module.ko /lib/modules/`uname -r`
sudo depmod -a
sudo modprobe module
If you add the module name to /etc/modules it will be loaded any time you boot.
Anyway I think that the proper configuration is to copy the module to the standard paths.
You should be aware that you should avoid file I/O from within Linux kernel when possible. The main idea is to go "one level deeper" and call VFS level functions instead of the syscall handler directly:
Includes:
#include <linux/fs.h>
#include <asm/segment.h>
#include <asm/uaccess.h>
#include <linux/buffer_head.h>
Opening a file (similar to open):
struct file *file_open(const char *path, int flags, int rights)
{
struct file *filp = NULL;
mm_segment_t oldfs;
int err = 0;
oldfs = get_fs();
set_fs(get_ds());
filp = filp_open(path, flags, rights);
set_fs(oldfs);
if (IS_ERR(filp)) {
err = PTR_ERR(filp);
return NULL;
}
return filp;
}
Close a file (similar to close):
void file_close(struct file *file)
{
filp_close(file, NULL);
}
Reading data from a file (similar to pread):
int file_read(struct file *file, unsigned long long offset, unsigned char *data, unsigned int size)
{
mm_segment_t oldfs;
int ret;
oldfs = get_fs();
set_fs(get_ds());
ret = vfs_read(file, data, size, &offset);
set_fs(oldfs);
return ret;
}
Writing data to a file (similar to pwrite):
int file_write(struct file *file, unsigned long long offset, unsigned char *data, unsigned int size)
{
mm_segment_t oldfs;
int ret;
oldfs = get_fs();
set_fs(get_ds());
ret = vfs_write(file, data, size, &offset);
set_fs(oldfs);
return ret;
}
Syncing changes a file (similar to fsync):
int file_sync(struct file *file)
{
vfs_fsync(file, 0);
return 0;
}
[Edit] Originally, I proposed using file_fsync, which is gone in newer kernel versions. Thanks to the poor guy suggesting the change, but whose change was rejected. The edit was rejected before I could review it.
Swift version for both separately:
Swift 3
let versionNumber = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String
let buildNumber = Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion") as! String
Swift 2
let versionNumber = NSBundle.mainBundle().objectForInfoDictionaryKey("CFBundleShortVersionString") as! String
let buildNumber = NSBundle.mainBundle().objectForInfoDictionaryKey("CFBundleVersion") as! String
Its included in this repo, check it out:
I worked a little bit the method that Rawling posted here to find more than one line in the same file until the end. This is what worked for me:
foreach (var line in File.ReadLines(pathToFile))
{
if (line.Contains("CustomerEN") && current == null)
{
current = new List<string>();
current.Add(line);
}
else if (line.Contains("CustomerEN") && current != null)
{
current.Add(line);
}
}
string s = String.Join(",", current);
MessageBox.Show(s);
My guess at a "bulletproof way to do this" (think CIA finding Waldo in any satellite image any time, not just a single image without competing elements, like striped shirts)... I would train a Boltzmann machine on many images of Waldo - all variations of him sitting, standing, occluded, etc.; shirt, hat, camera, and all the works. You don't need a large corpus of Waldos (maybe 3-5 will be enough), but the more the better.
This will assign clouds of probabilities to various elements occurring in whatever the correct arrangement, and then establish (via segmentation) what an average object size is, fragment the source image into cells of objects which most resemble individual people (considering possible occlusions and pose changes), but since Waldo pictures usually include a LOT of people at about the same scale, this should be a very easy task, then feed these segments of the pre-trained Boltzmann machine. It will give you probability of each one being Waldo. Take one with the highest probability.
This is how OCR, ZIP code readers, and strokeless handwriting recognition work today. Basically you know the answer is there, you know more or less what it should look like, and everything else may have common elements, but is definitely "not it", so you don't bother with the "not it"s, you just look of the likelihood of "it" among all possible "it"s you've seen before" (in ZIP codes for example, you'd train BM for just 1s, just 2s, just 3s, etc., then feed each digit to each machine, and pick one that has most confidence). This works a lot better than a single neural network learning features of all numbers.
Apparently MDN has never heard of the word-boundary regex character class \b
, which matches contiguous \w+
that is bounded on either side with \W+
:
getCookie = function(name) {
var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
return r ? r[1] : null;
};
var obligations = getCookie('obligations');
For everyone who clicked on this to find out what the content of your HashMap is, the toString
method (docs) actually works with most objects. (note: a java array is not an object!)
So this woks perfectly fine for debugging purposes:
System.out.println(myMap.toString());
>>> {key1=value1, key2=value2}
SELECT group,subGroup,COUNT(*) FROM tablename GROUP BY group,subgroup
Do .libPaths()
, close every R runing, check in the first directory, remove the zoo
package restart R and install
zoo
again. Of course you need to have sufficient rights.
Use array or common container for objects only if they have default and copy constructors.
Store pointers otherwise (or smart pointers, but may meet some issues in this case).
PS: Always define own default and copy constructors otherwise auto-generated will be used
https://stackoverflow.com/a/16350929/11860907
If you add e.SuppressKeyPress = true;
as shown in the answer in this link you will suppress the annoying ding sound that occurs.
Create a new "Empty Project" , Add your Cpp file to the new project, delete the line that includes stdafx.
Done.
The project no longer needs the stdafx. It is added automatically when you create projects with installed templates.
vue-moment
very nice plugin for vue project and works very smoothly with the components and existing code. Enjoy the moments...
// in your main.js
Vue.use(require('vue-moment'));
// and use in component
{{'2019-10-03 14:02:22' | moment("calendar")}}
// or like this
{{created_at | moment("calendar")}}
I think a better approach than setting the platform's default character set, especially as you seem to have restrictions on affecting the application deployment, let alone the platform, is to call the much safer String.getBytes("charsetName")
. That way your application is not dependent on things beyond its control.
I personally feel that String.getBytes()
should be deprecated, as it has caused serious problems in a number of cases I have seen, where the developer did not account for the default charset possibly changing.
UPDATE 2018-10-21:
As of this week, getRootDir()
was deprecated. Please use getProjectDir()
instead, as suggested in the comment section by Muzaraf Ali.
—-
Use this:
$this->get('kernel')->getRootDir();
And if you want the web root:
$this->get('kernel')->getRootDir() . '/../web' . $this->getRequest()->getBasePath();
this will work from controller action method...
EDIT: As for the services, I think the way you did it is as clean as possible, although I would pass complete kernel service as an argument... but this will also do the trick...
Performance Analysis For loops performs faster than map or foreach as number of elements in a array increases.
let array = [];
for (var i = 0; i < 20000000; i++) {
array.push(i)
}
console.time('map');
array.map(num => {
return num * 4;
});
console.timeEnd('map');
console.time('forEach');
array.forEach((num, index) => {
return array[index] = num * 4;
});
console.timeEnd('forEach');
console.time('for');
for (i = 0; i < array.length; i++) {
array[i] = array[i] * 2;
}
console.timeEnd('for');
Hello Googlers from the future.
On MacOS >= High Sierra, the SSH key is no longer saved to the KeyChain because of reasons.
Using ssh-add -K
no longer survives restarts as well.
Here are 3 possible solutions.
I've used the first method successfully. I've created a file called config
in ~/.ssh
:
Host *
AddKeysToAgent yes
UseKeychain yes
IdentityFile ~/.ssh/id_rsa
If running on Huawei or Honor phones, make sure to install and run HiSuite on your computer. USB debugging only works when HiSuite is on.
According to the documentation, the route was found, even though the resource wasn't.
Note: This is not intended to be used for when a resource is not found. There is a difference between the router not finding a matched path and a valid URL that results in a resource not being found. The url courses/123 is a valid url and results in a matched route, therefore it was "found" as far as routing is concerned. Then, if we fetch some data and discover that the course 123 does not exist, we do not want to transition to a new route. Just like on the server, you go ahead and serve the url but render different UI (and use a different status code). You shouldn't ever try to transition to a NotFoundRoute.
So, you could always add a line in the Router.run()
before React.render()
to check if the resource is valid. Just pass a prop down to the component or override the Handler
component with a custom one to display the NotFound view.
There is no any problem to write multiple lines of execution withing a single try catch block like below
try{
install_engine();
install_break();
}
catch(Exception $e){
show_exception($e->getMessage());
}
The moment any execption occure either in install_engine
or install_break
function the control will be passed to catch function.
One more recommendation is to eat your exception properly. Which means instead of writing die('Message')
it is always advisable to have exception process properly. You may think of using die()
function in error handling but not in exception handling.
When you should use multiple try catch block You can think about multiple try catch block if you want the different code block exception to display different type of exception or you are trying to throw any exception from your catch block like below:
try{
install_engine();
install_break();
}
catch(Exception $e){
show_exception($e->getMessage());
}
try{
install_body();
paint_body();
install_interiour();
}
catch(Exception $e){
throw new exception('Body Makeover faield')
}
Functional Interfaces: An interface is called a functional interface if it has a single abstract method irrespective of the number of default or static methods. Functional Interface are use for lamda expression. Runnable
, Callable
, Comparable
, Comparator
are few examples of Functional
Interface.
KeyNotes:
@FunctionalInterface
is used(Optional).@FunctionalInterface
annotation is
used).This thread talks more in detail about what benefit functional Interface gives over anonymous class and how to use them.
It is possible, with the usual CSS caveats and if the HTML code can be modified. If you add the required
attribute to the element, then the element will match :invalid
or :valid
according to whether the value of the control is empty or not. If the element has no value
attribute (or it has value=""
), the value of the control is initially empty and becomes nonempty when any character (even a space) is entered.
Example:
<style>
#foo { background: yellow; }
#foo:valid { outline: solid blue 2px; }
#foo:invalid { outline: solid red 2px; }
</style>
<input id=foo required>
The pseudo-classed :valid
and :invalid
are defined in Working Draft level CSS documents only, but support is rather widespread in browsers, except that in IE, it came with IE 10.
If you would like to make “empty” include values that consist of spaces only, you can add the attribute pattern=.*\S.*
.
There is (currently) no CSS selector for detecting directly whether an input control has a nonempty value, so we need to do it indirectly, as described above.
Generally, CSS selectors refer to markup or, in some cases, to element properties as set with scripting (client-side JavaScript), rather than user actions. For example, :empty
matches element with empty content in markup; all input
elements are unavoidably empty in this sense. The selector [value=""]
tests whether the element has the value
attribute in markup and has the empty string as its value. And :checked
and :indeterminate
are similar things. They are not affected by actual user input.
I was getting this when streaming to ElasticSearch from a Lambda function in AWS. Smashed my head a against a wall trying to figure it out. In the end when setting the request.headers['Host']
I was adding in the https://
to the domain for ES - changing this to [es-domain-name].eu-west-1.es.amazonaws.com
(without https://) worked straight away. Below is the code I used to get it working, hopefully save anyone else smashing their head against a wall...
import path from 'path';
import AWS from 'aws-sdk';
const { region, esEndpoint } = process.env;
const endpoint = new AWS.Endpoint(esEndpoint);
const httpClient = new AWS.HttpClient();
const credentials = new AWS.EnvironmentCredentials('AWS');
/**
* Sends a request to Elasticsearch
*
* @param {string} httpMethod - The HTTP method, e.g. 'GET', 'PUT', 'DELETE', etc
* @param {string} requestPath - The HTTP path (relative to the Elasticsearch domain), e.g. '.kibana'
* @param {string} [payload] - An optional JavaScript object that will be serialized to the HTTP request body
* @returns {Promise} Promise - object with the result of the HTTP response
*/
export function sendRequest ({ httpMethod, requestPath, payload }) {
const request = new AWS.HttpRequest(endpoint, region);
request.method = httpMethod;
request.path = path.join(request.path, requestPath);
request.body = payload;
request.headers['Content-Type'] = 'application/json';
request.headers['Host'] = '[es-domain-name].eu-west-1.es.amazonaws.com';
request.headers['Content-Length'] = Buffer.byteLength(request.body);
const signer = new AWS.Signers.V4(request, 'es');
signer.addAuthorization(credentials, new Date());
return new Promise((resolve, reject) => {
httpClient.handleRequest(
request,
null,
response => {
const { statusCode, statusMessage, headers } = response;
let body = '';
response.on('data', chunk => {
body += chunk;
});
response.on('end', () => {
const data = {
statusCode,
statusMessage,
headers
};
if (body) {
data.body = JSON.parse(body);
}
resolve(data);
});
},
err => {
reject(err);
}
);
});
}
Using only the standard library with minimal code!
thread {
val jsonStr = try { URL(url).readText() } catch (ex: Exception) { return@thread }
runOnUiThread { displayOrWhatever(jsonStr) }
}
This starts a GET request on a new thread, leaving the UI thread to respond to user input. However, we can only modify UI elements from the main/UI thread, so we actually need a runOnUiThread
block to show the result to our user. This enqueues our display code to be run on the UI thread soon.
The try/catch is there so your app won't crash if you make a request with your phone's internet off. Add your own error handling (e.g. showing a Toast) as you please.
.readText()
is not part of the java.net.URL
class but a Kotlin extension method, Kotlin "glues" this method onto URL
. This is enough for plain GET requests, but for more control and POST requests you need something like the Fuel
library.
For me it was a silly thing: my mac uploaded the file into iCloud, and that is why Xcode did not find it.
If you turn off the automatic upload, it wont happen again.
you could write
select DISTINCT f from t;
as
select f from t group by f;
thing is, I am just currently myself getting into Doctrine, so I cannot give you a real answer. but you could as shown above, simulate a distinct with group by and transform that into Doctrine. if you want add further filtering then use HAVING
after group by.
First, this is the directory layout that I am using:
.
+-- include
¦ +-- class1.hpp
¦ +-- ...
¦ +-- class2.hpp
+-- src
+-- class1.cpp
+-- ...
+-- class2.cpp
After a couple of days taking a look into this, this is my favourite way of doing this thanks to modern CMake:
cmake_minimum_required(VERSION 3.5)
project(mylib VERSION 1.0.0 LANGUAGES CXX)
set(DEFAULT_BUILD_TYPE "Release")
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
set(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
include(GNUInstallDirs)
set(SOURCE_FILES src/class1.cpp src/class2.cpp)
add_library(${PROJECT_NAME} ...)
target_include_directories(${PROJECT_NAME} PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
PRIVATE src)
set_target_properties(${PROJECT_NAME} PROPERTIES
VERSION ${PROJECT_VERSION}
SOVERSION 1)
install(TARGETS ${PROJECT_NAME} EXPORT MyLibConfig
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
install(EXPORT MyLibConfig DESTINATION share/MyLib/cmake)
export(TARGETS ${PROJECT_NAME} FILE MyLibConfig.cmake)
After running CMake and installing the library, there is no need to use Find***.cmake files, it can be used like this:
find_package(MyLib REQUIRED)
#No need to perform include_directories(...)
target_link_libraries(${TARGET} mylib)
That's it, if it has been installed in a standard directory it will be found and there is no need to do anything else. If it has been installed in a non-standard path, it is also easy, just tell CMake where to find MyLibConfig.cmake using:
cmake -DMyLib_DIR=/non/standard/install/path ..
I hope this helps everybody as much as it has helped me. Old ways of doing this were quite cumbersome.
Generally, I agree with @kgrittn's advice. Go for it.
But to address your basic question about concat()
: The new function concat()
is useful if you need to deal with null values - and null has neither been ruled out in your question nor in the one you refer to.
If you can rule out null values, the good old (SQL standard) concatenation operator ||
is still the best choice, and @luis' answer is just fine:
SELECT col_a || col_b;
If either of your columns can be null, the result would be null in that case. You could defend with COALESCE
:
SELECT COALESCE(col_a, '') || COALESCE(col_b, '');
But that get tedious quickly with more arguments. That's where concat()
comes in, which never returns null, not even if all arguments are null. Per documentation:
NULL arguments are ignored.
SELECT concat(col_a, col_b);
The remaining corner case for both alternatives is where all input columns are null in which case we still get an empty string ''
, but one might want null instead (at least I would). One possible way:
SELECT CASE
WHEN col_a IS NULL THEN col_b
WHEN col_b IS NULL THEN col_a
ELSE col_a || col_b
END;
This gets more complex with more columns quickly. Again, use concat()
but add a check for the special condition:
SELECT CASE WHEN (col_a, col_b) IS NULL THEN NULL
ELSE concat(col_a, col_b) END;
How does this work?
(col_a, col_b)
is shorthand notation for a row type expression ROW (col_a, col_b)
. And a row type is only null if all columns are null. Detailed explanation:
Also, use concat_ws()
to add separators between elements (ws
for "with separator").
An expression like the one in Kevin's answer:
SELECT $1.zipcode || ' - ' || $1.city || ', ' || $1.state;
is tedious to prepare for null values in PostgreSQL 8.3 (without concat()
). One way (of many):
SELECT COALESCE(
CASE
WHEN $1.zipcode IS NULL THEN $1.city
WHEN $1.city IS NULL THEN $1.zipcode
ELSE $1.zipcode || ' - ' || $1.city
END, '')
|| COALESCE(', ' || $1.state, '');
STABLE
concat()
and concat_ws()
are STABLE
functions, not IMMUTABLE
because they can invoke datatype output functions (like timestamptz_out
) that depend on locale settings.
Explanation by Tom Lane.
This prohibits their direct use in index expressions. If you know that the result is actually immutable in your case, you can work around this with an IMMUTABLE
function wrapper. Example here:
var number = 5000;
var percentX = 12;
var result;
function percentCalculation(a, b){
var c = (parseFloat(a)*parseFloat(b))/100;
return parseFloat(c);
}
result = percentCalculation(number, percentX); //calculate percentX% of number
What's wrong with:
Motor=['1','2','2']
For i in Motor:
If i != '2':
Print(i)
Print(motor)
Using anaconda
You should use Enum.TryParse to achive your goal
This is a example:
[Flags]
private enum TestEnum
{
Value1 = 1,
Value2 = 2
}
static void Main(string[] args)
{
var enumName = "Value1";
TestEnum enumValue;
if (!TestEnum.TryParse(enumName, out enumValue))
{
throw new Exception("Wrong enum value");
}
// enumValue contains parsed value
}
Method overloading occurs when two or more methods with same method name but different number of parameters in single class. PHP does not support method overloading. Method overriding means two methods with same method name and same number of parameters in two different classes means parent class and child class.
Use FileUtils.writeStringToFile()
from Apache Commons IO. No need to reinvent this particular wheel.
Easiest for me to remember is two operations:
chmod -R 644 dirName
chmod -R +X dirName
The +X only affects directories.
You are inside a namespace
so you should use \Exception
to specify the global namespace:
try {
$this->buildXMLHeader();
} catch (\Exception $e) {
return $e->getMessage();
}
In your code you've used catch (Exception $e)
so Exception
is being searched in/as:
App\Services\PayUService\Exception
Since there is no Exception
class inside App\Services\PayUService
so it's not being triggered. Alternatively, you can use a use
statement at the top of your class like use Exception;
and then you can use catch (Exception $e)
.
If you are using zsh you can run:
setopt histignorespace
After this is set, each command starting with a space will be excluded from history.
You can use aliases in .zshrc
to turn this on/off:
# Toggle ignore-space. Useful when entering passwords.
alias history-ignore-space-on='\
setopt hist_ignore_space;\
echo "Commands starting with space are now EXCLUDED from history."'
alias history-ignore-space-off='\
unsetopt hist_ignore_space;\
echo "Commands starting with space are now ADDED to history."'
Here's a Swift implementation. You can make an extension so that it will be usable by other views if you like.
extension UIView {
func addBorderAndColor(color: UIColor, width: CGFloat, corner_radius: CGFloat = 0, clipsToBounds: Bool = false) {
self.layer.borderWidth = width
self.layer.borderColor = color.cgColor
self.layer.cornerRadius = corner_radius
self.clipsToBounds = clipsToBounds
}
}
Call this like:
email.addBorderAndColor(color: UIColor.white, width: 0.5, corner_radius: 5, clipsToBounds: true)
.
Just download this registry key and run it. It will add the necessary key to the .NET framework registry. You can have more info at this link. Search for 'Option 2' in '.NET 4.5 to 4.5.2'.
The reg file appends the following to the Registry:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v4.0.30319]
"SchUseStrongCrypto"=dword:00000001
This is the part of the page that is useful in case it goes broken :
" .. enable TLS 1.2 by default without modifying the source code by setting the SchUseStrongCrypto DWORD value in the following two registry keys to 1, creating them if they don't exist: "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft.NETFramework\v4.0.30319" and "HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft.NETFramework\v4.0.30319". Although the version number in those registry keys is 4.0.30319, the .NET 4.5, 4.5.1, and 4.5.2 frameworks also use these values. Those registry keys, however, will enable TLS 1.2 by default in all installed .NET 4.0, 4.5, 4.5.1, and 4.5.2 applications on that system. It is thus advisable to test this change before deploying it to your production servers. This is also available as a registry import file. These registry values, however, will not affect .NET applications that set the System.Net.ServicePointManager.SecurityProtocol value. "
Its hard to detach your production dB or other running dB's and deal with that downtime, so I almost always use a Backup / restore method.
If you also want to make sure to keep your login's in sync check out the MS KB article on using the stored proc sp_help_revlogin to do this.
None, because having an ORM takes too much control away with small benefits. The time savings gained are easily blown away when you have to debug abnormalities resulting from the use of the ORM. Furthermore, ORMs discourage developers from learning SQL and how relational databases work and using this for their benefit.
I created a little javascript tool to style elements on screen size without using media queries or recompiling bootstrap css:
https://github.com/Heras/Responsive-Breakpoints
Just add class responsive-breakpoints
to any element, and it will automagically add xs sm md lg xl
classes to those elements.
you can use window.setInterval and time must to be define in miliseconds, in below case the function will call after every single second (1000 miliseconds)
<script>
var time = 3670;
window.setInterval(function(){
// Time calculations for days, hours, minutes and seconds
var h = Math.floor(time / 3600);
var m = Math.floor(time % 3600 / 60);
var s = Math.floor(time % 3600 % 60);
// Display the result in the element with id="demo"
document.getElementById("demo").innerHTML = h + "h "
+ m + "m " + s + "s ";
// If the count down is finished, write some text
if (time < 0) {
clearInterval(x);
document.getElementById("demo").innerHTML = "EXPIRED";
}
time--;
}, 1000);
</script>
use
:%s/pattern/\0/g
when pattern string is too long and you don't like to type it all again.
I look up this question about once a month and always have to dig out the best answer from the comments:
df.loc[(df!=0).any(1)]
Thanks Dan Allan!
DON'T DO IT.
<A>NCHOR</a>
.<DIV>
into a link, use "Javascript" to wrap the <DIV>
inside an <A>NCHOR</A>
<DIV>
use the onclick
event handler... and don't call it a "link".I had the following code working perfect on my laptop:
& $msdeploy `
-source:package="$publishFile" `
-dest:auto,computerName="$server",includeAcls="False",UserName="$username",Password="$password",AuthType="$auth" `
-allowUntrusted `
-verb:sync `
-enableRule:DoNotDeleteRule `
-disableLink:AppPoolExtension `
-disableLink:ContentExtension `
-disableLink:CertificateExtension `
-skip:objectName=filePath,absolutePath="^(.*Web\.config|.*Environment\.config)$" `
-setParam:name=`"IIS Web Application Name`",value="$appName"
Then when I tried to run that directly on one server I started getting those errors "Unrecognized argument ...etc.... All arguments must begin with "-". "
After trying all possible workarounds (no success), I found out that Powershell on the server (Windows 2008 R2) was version 3.0, while my laptop has 5.0. (you can use "$PSVersionTable" to see version).
After upgrading Powershell to latest version it started working again.
I needed all that, but I also needed python devel installed:
sudo yum install python-devel
Swift 2.0 Example (iOS 9 Compatiable)
extension String {
func stringByURLEncoding() -> String? {
let characters = NSCharacterSet.URLQueryAllowedCharacterSet().mutableCopy() as! NSMutableCharacterSet
characters.removeCharactersInString("&")
guard let encodedString = self.stringByAddingPercentEncodingWithAllowedCharacters(characters) else {
return nil
}
return encodedString
}
}
If you are counting letters, the above solution will fail for some unicode symbols. For example for these 5 characters sample.length() will return 6 instead of 5:
String sample = "\u760c\u0444\u03b3\u03b5\ud800\udf45"; // ???e
The codePointCount function was introduced in Java 1.5 and I understand gives better results for glyphs etc
sample.codePointCount(0, sample.length()) // returns 5
http://globalizer.wordpress.com/2007/01/16/utf-8-and-string-length-limitations/
It's a working example:
CREATE USER auto_exchange IDENTIFIED BY 123456;
GRANT RESOURCE TO auto_exchange;
GRANT CONNECT TO auto_exchange;
GRANT CREATE VIEW TO auto_exchange;
GRANT CREATE SESSION TO auto_exchange;
GRANT UNLIMITED TABLESPACE TO auto_exchange;
Use:
git log --graph --abbrev-commit --decorate --first-parent <branch_name>
It is only for the target branch (of course --graph, --abbrev-commit --decorate are more polishing).
The key option is --first-parent
: "Follow only the first parent commit upon seeing a merge commit" (https://git-scm.com/docs/git-log)
It prevents the commit forks from being displayed.
If you want to ask based on condition:
var ask = true
window.onbeforeunload = function (e) {
if(!ask) return null
e = e || window.event;
//old browsers
if (e) {e.returnValue = 'Sure?';}
//safari, chrome(chrome ignores text)
return 'Sure?';
};
Java - Editor - Mark Occurrences
Eclipse Java EE IDE for Web Developers. Version: Photon Release (4.8.0)
The CSV "standard" (such as it is) does not dictate how comments should be handled, no, it's up to the application to establish a convention and stick with it.
The script I use is quite similar; I post it here as an example of how to use the email.* modules to generate MIME messages; so this script can be easily modified to attach pictures, etc.
I rely on my ISP to add the date time header.
My ISP requires me to use a secure smtp connection to send mail, I rely on the smtplib module (downloadable at http://www1.cs.columbia.edu/~db2501/ssmtplib.py)
As in your script, the username and password, (given dummy values below), used to authenticate on the SMTP server, are in plain text in the source. This is a security weakness; but the best alternative depends on how careful you need (want?) to be about protecting these.
=======================================
#! /usr/local/bin/python
SMTPserver = 'smtp.att.yahoo.com'
sender = 'me@my_email_domain.net'
destination = ['recipient@her_email_domain.com']
USERNAME = "USER_NAME_FOR_INTERNET_SERVICE_PROVIDER"
PASSWORD = "PASSWORD_INTERNET_SERVICE_PROVIDER"
# typical values for text_subtype are plain, html, xml
text_subtype = 'plain'
content="""\
Test message
"""
subject="Sent from Python"
import sys
import os
import re
from smtplib import SMTP_SSL as SMTP # this invokes the secure SMTP protocol (port 465, uses SSL)
# from smtplib import SMTP # use this for standard SMTP protocol (port 25, no encryption)
# old version
# from email.MIMEText import MIMEText
from email.mime.text import MIMEText
try:
msg = MIMEText(content, text_subtype)
msg['Subject']= subject
msg['From'] = sender # some SMTP servers will do this automatically, not all
conn = SMTP(SMTPserver)
conn.set_debuglevel(False)
conn.login(USERNAME, PASSWORD)
try:
conn.sendmail(sender, destination, msg.as_string())
finally:
conn.quit()
except:
sys.exit( "mail failed; %s" % "CUSTOM_ERROR" ) # give an error message
My solution is a string extension that first gets the swift range then get's the distance from the start of the string to the start and end of the substring.
These values are then used to calculate the start and length of the substring. We can then apply these values to the NSMakeRange constructor.
This solution works with substrings that consist of multiple words, which a lot of the solutions here using enumerateSubstrings let me down on.
extension String {
func NSRange(of substring: String) -> NSRange? {
// Get the swift range
guard let range = range(of: substring) else { return nil }
// Get the distance to the start of the substring
let start = distance(from: startIndex, to: range.lowerBound) as Int
//Get the distance to the end of the substring
let end = distance(from: startIndex, to: range.upperBound) as Int
//length = endOfSubstring - startOfSubstring
//start = startOfSubstring
return NSMakeRange(start, end - start)
}
}
<%! String username=(String)session.getAttribute("username"); %>
form action="editinfo" method="post">
<table>
<tr>
<td>Username: </td><td> <input type="text" value="<%=username %>" /> </td>
</tr>
</table>
add <%! String username=(String)session.getAttribute("username"); %>
You just use this and it will be helpful for you
$("#btnForm").click(function (){
$.fancybox({
'padding': 0,
'width': 1087,
'height': 610,
'type': 'iframe',
content: $('#divForm').show();
});
});
I was sending requests from angularjs using $http service to bottle running on http://localhost:8090/
and I had to apply CORS otherwise I got request errors like "No 'Access-Control-Allow-Origin' header is present on the requested resource"
from bottle import hook, route, run, request, abort, response
#https://github.com/defnull/bottle/blob/master/docs/recipes.rst#using-the-hooks-plugin
@hook('after_request')
def enable_cors():
response.headers['Access-Control-Allow-Origin'] = '*'
response.headers['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS, PUT'
response.headers['Access-Control-Allow-Headers'] = 'Origin, X-Requested-With, Content-Type, Accept'
Note: This code is untested
Define a record for your refCursor return type, call it rec. For example:
TYPE MyRec IS RECORD (col1 VARCHAR2(10), col2 VARCHAR2(20), ...); --define the record
rec MyRec; -- instantiate the record
Once you have the refcursor returned from your procedure, you can add the following code where your comments are now:
LOOP
FETCH refCursor INTO rec;
EXIT WHEN refCursor%NOTFOUND;
dbms_output.put_line(rec.col1||','||rec.col2||','||...);
END LOOP;
There is a bug filed for Eclipse
:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=385680
You could try restarting Eclipse
, it helped the original poster of the issue there.
A simple solution for a simple question:
split -n l/5 your_file.txt
no need for scripting here.
From the man file, CHUNKS may be:
l/N split into N files without splitting lines
Update
Not all unix dist include this flag. For example, it will not work in OSX. To use it, you can consider replacing the Mac OS X utilities with GNU core utilities.
Put it as a background on your holder e.g.
<div style="background:url(path/to/image/myimage.jpg) center center; width:120px; height:120px;">
</div>
This will center your image inside a 120x120 div chopping off any excess of the image
I know this an old thread, but I found out using the Subtotal method in VBA also accurately renders a count of the rows. The formula I found is in this article, and looks like this:
Application.WorksheetFunction.Subtotal(2, .Range("A2:A" & .Rows(.Rows.Count).End(xlUp).Row))
I tested it and it came out accurately every time, rendering the correct number of visible rows in column A.
Hopefully this will help some other wayfarer of the 'Net like me.
I found a very interesting issue with Android Studio and the mircrosoft upgrade to the web browser. I upgraded "stupidly" to the latest version of ie. of course Microsoft in their infinite wisdom knows exactly what to do with security. When I tried to compile my app I kept getting the error Gradle - build fails -- Execution failed for task. looking in the stack I saw that it did not recognize the path to java.exe. I found that odd as I was just able to compile the day before. I added JAVA_HOME to the env vars for the system, closed Android Studio and reopened it. Low and behold if the fire wall nag screen did not pop asking if I wanted to all jave.exe through.
What a cluster!
Check out this Sample Camera Preview code, CameraPreview
. This would help you in devloping video recording code for video preview, create MediaRecorder
object, and set video recording parameters.
Example
So, if we had a child element with an id of "child-element" and we wanted to get it's left/top position relative to a parent element, say a div that had a class of "item-parent", we'd use this code.
var position = $("#child-element").offsetRelative("div.item-parent");
alert('left: '+position.left+', top: '+position.top);
Plugin Finally, for the actual plugin (with a few notes expalaining what's going on):
// offsetRelative (or, if you prefer, positionRelative)
(function($){
$.fn.offsetRelative = function(top){
var $this = $(this);
var $parent = $this.offsetParent();
var offset = $this.position();
if(!top) return offset; // Didn't pass a 'top' element
else if($parent.get(0).tagName == "BODY") return offset; // Reached top of document
else if($(top,$parent).length) return offset; // Parent element contains the 'top' element we want the offset to be relative to
else if($parent[0] == $(top)[0]) return offset; // Reached the 'top' element we want the offset to be relative to
else { // Get parent's relative offset
var parent_offset = $parent.offsetRelative(top);
offset.top += parent_offset.top;
offset.left += parent_offset.left;
return offset;
}
};
$.fn.positionRelative = function(top){
return $(this).offsetRelative(top);
};
}(jQuery));
Note : You can Use this on mouseClick or mouseover Event
$(this).offsetRelative("div.item-parent");
What worked for me was the following command:
python -m pip install --upgrade pip
You can do like this:
#mydiv {
position: fixed;
height: 30px;
top: 0;
left: 0;
width: 100%;
}
This will create a div
, that will be fixed on top of your screen. - fixed
select (SYSDATE-DOB)/365 "Age" from dual
I use the combo of these two
Private Sub sendData(ByVal zpl As String)
Dim ns As System.Net.Sockets.NetworkStream = Nothing
Dim socket As System.Net.Sockets.Socket = Nothing
Dim printerIP As Net.IPEndPoint = Nothing
Dim toSend As Byte()
Try
If printerIP Is Nothing Then
'set the IP address
printerIP = New Net.IPEndPoint(IPAddress.Parse(IP_ADDRESS), 9100)
End If
'Create a TCP socket
socket = New Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp)
'Connect to the printer based on the IP address
socket.Connect(printerIP)
'create a new network stream based on the socket connection
ns = New NetworkStream(socket)
'convert the zpl command to a byte array
toSend = System.Text.Encoding.ASCII.GetBytes(zpl)
'send the zpl byte array over the networkstream to the connected printer
ns.Write(toSend, 0, toSend.Length)
Catch ex As Exception
MessageBox.Show(ex.Message, "Cable Printer", MessageBoxButtons.OKCancel, MessageBoxIcon.Error)
Finally
'close the networkstream and then the socket
If Not ns Is Nothing Then
ns.Close()
End If
If Not socket Is Nothing Then
socket.Close()
End If
End Try
End Sub
Private Function createString() As String
Dim command As String
command = "^XA"
command += "^LH20,25"
If rdoSmall.Checked = True Then
command += "^FO1,30^A0,N,25,25^FD"
ElseIf rdoNormal.Checked = True Then
command += "^FO1,30^A0,N,35,35^FD"
Else
command += "^FO1,30^A0,N,50,50^FD"
End If
command += txtInput.Text
command += "^FS"
command += "^XZ"
Return command
End Function
You can use strtotime
:
$date = strtotime('2010-01-01 -1 year');
The strtotime
function returns a unix timestamp, to get a formatted string you can use date
:
echo date('Y-m-d', $date); // echoes '2009-01-01'
I am not able to run my own build on the other suggestions here. I even tried different versions of maven-compiler-plugin: 3.1, 3.7.0, etc.
I made it work adding this:
<testSourceDirectory>/src/test/java</testSourceDirectory>
I tried this approach because it seems like the /src/test/java directory is considered a java class that is why it is compiled the same time as /src/test/java. So my hunch were right in my case.
Maybe it is to others too, so just try this one.
There is also var_export and print_r more commonly known for printing debug output but both functions can take an optional argument to return a string instead.
Using the example from the question as data.
$array = ["item1"=>"object1", "item2"=>"object2","item-n"=>"object-n"];
print_r
to turn the array into a stringThis will output a human readable representation of the variable.
$string = print_r($array, true);
echo $string;
Will output:
Array
(
[item1] => object1
[item2] => object2
[item-n] => object-n
)
var_export
to turn the array into a stringWhich will output a php string representation of the variable.
$string = var_export($array, true);
echo $string;
Will output:
array (
'item1' => 'object1',
'item2' => 'object2',
'item-n' => 'object-n',
)
Because it is valid php we can evaluate it.
eval('$array2 = ' . var_export($array, true) . ';');
var_dump($array2 === $array);
Outputs:
bool(true)
The composer.phar install is not working but without .phar this is working.
We need to enable the openssl module in php before installing the zendframe work.
We have to uncomment the line ;extension=php_openssl.dll from php.ini
file.
composer use different php.ini file which is located at the wamp\bin\php\php-<version number>\php.ini
After enabling the openssl we need to restart the server.
The execute the following comments.
I can install successfully using these commands -
composer self-update
composer install --prefer-dist
Even if fileno(FILE *)
may return a file descriptor, be VERY careful not to bypass stdio's buffer. If there is buffer data (either read or unflushed write), reads/writes from the file descriptor might give you unexpected results.
To answer one of the side questions, to convert a file descriptor to a FILE pointer, use fdopen(3)
String[] s = {"a", "x", "y"};
Arrays.sort(s, new Comparator<String>() {
@Override
public int compare(String o1, String o2) {
return o2.compareTo(o1);
}
});
System.out.println(Arrays.toString(s));
-> [y, x, a]
Now you have to implement the Comparator for your Person class.
Something like (for ascending order): compare(Person a, Person b) = a.id < b.id ? -1 : (a.id == b.id) ? 0 : 1
or Integer.valueOf(a.id).compareTo(Integer.valueOf(b.id))
.
To minimize confusion you should implement an ascending Comparator and convert it to a descending one with a wrapper (like this) new ReverseComparator<Person>(new PersonComparator())
.
The InnoDB engine does not store deleted data. As you insert and delete rows, unused space is left allocated within the InnoDB storage files. Over time, the overall space will not decrease, but over time the 'deleted and freed' space will be automatically reused by the DB server.
You can further tune and manage the space used by the engine through an manual re-org of the tables. To do this, dump the data in the affected tables using mysqldump, drop the tables, restart the mysql service, and then recreate the tables from the dump files.
bootstrap 3 has a class to align the text within a div
<div class="text-right">
will align the text on the right
<div class="pull-right">
will pull to the right all the content not only the text
-webkit-padding-start: 0;
will remove padding added by webkit engine
You don't need a library beyond the standard one - just use Charset. (You can just use the String constructors and getBytes methods, but personally I don't like just working with the names of character encodings. Too much room for typos.)
EDIT: As pointed out in comments, you can still use Charset instances but have the ease of use of the String methods: new String(bytes, charset) and String.getBytes(charset).
See "URL Encoding (or: 'What are those "%20
" codes in URLs?')".
The SIMPLEST solution to this is within your html form code add:
<input type="number"
If it's a php form then add:
$data = array(
'type' => 'number',
Both of these
Let's talk in from company concept. Log gives you flexible levels (see Difference between logger.info and logger.debug). Different people want to see different levels, like QAs, developers, business people. But e.printStackTrace() will print out everything. Also, like if this method will be restful called, this same error may print several times. Then the Devops or Tech-Ops people in your company may be crazy because they will receive the same error reminders.
I think a better replacement could be log.error("errors happend in XXX", e)
This will also print out whole information which is easy reading than e.printStackTrace()
You've just published that private key, so now the whole world knows what it is. Hopefully that was just for testing.
EDIT: Others have noted that the openssl text header of the published key, -----BEGIN RSA PRIVATE KEY-----, indicates that it is PKCS#1. However, the actual Base64 contents of the key in question is PKCS#8. Evidently the OP copy and pasted the header and trailer of a PKCS#1 key onto the PKCS#8 key for some unknown reason. The sample code I've provided below works with PKCS#8 private keys.
Here is some code that will create the private key from that data. You'll have to replace the Base64 decoding with your IBM Base64 decoder.
public class RSAToy {
private static final String BEGIN_RSA_PRIVATE_KEY = "-----BEGIN RSA PRIVATE KEY-----\n"
+ "MIIEuwIBADAN ...skipped the rest\n"
// + ...
// + ... skipped the rest
// + ...
+ "-----END RSA PRIVATE KEY-----";
public static void main(String[] args) throws Exception {
// Remove the first and last lines
String privKeyPEM = BEGIN_RSA_PRIVATE_KEY.replace("-----BEGIN RSA PRIVATE KEY-----\n", "");
privKeyPEM = privKeyPEM.replace("-----END RSA PRIVATE KEY-----", "");
System.out.println(privKeyPEM);
// Base64 decode the data
byte [] encoded = Base64.decode(privKeyPEM);
// PKCS8 decode the encoded RSA private key
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(encoded);
KeyFactory kf = KeyFactory.getInstance("RSA");
PrivateKey privKey = kf.generatePrivate(keySpec);
// Display the results
System.out.println(privKey);
}
}
I had similar Issue where we have GenericResponse object containing list of values
ResponseEntity<ResponseDTO> responseEntity = restTemplate.exchange(
redisMatchedDriverUrl,
HttpMethod.POST,
requestEntity,
ResponseDTO.class
);
Usage of objectMapper helped in converting LinkedHashMap into respective DTO objects
ObjectMapper mapper = new ObjectMapper();
List<DriverLocationDTO> driverlocationsList = mapper.convertValue(responseDTO.getData(), new TypeReference<List<DriverLocationDTO>>() { });
Use beforeSend
:
$.ajax({
url: "http://localhost/PlatformPortal/Buyers/Account/SignIn",
data: { signature: authHeader },
type: "GET",
beforeSend: function(xhr){xhr.setRequestHeader('X-Test-Header', 'test-value');},
success: function() { alert('Success!' + authHeader); }
});
http://api.jquery.com/jQuery.ajax/
http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader-method
This function will take JSON string and indent it very readable. It also should be convergent,
prettyPrint( $json ) === prettyPrint( prettyPrint( $json ) )
Input
{"key1":[1,2,3],"key2":"value"}
Output
{
"key1": [
1,
2,
3
],
"key2": "value"
}
Code
function prettyPrint( $json )
{
$result = '';
$level = 0;
$in_quotes = false;
$in_escape = false;
$ends_line_level = NULL;
$json_length = strlen( $json );
for( $i = 0; $i < $json_length; $i++ ) {
$char = $json[$i];
$new_line_level = NULL;
$post = "";
if( $ends_line_level !== NULL ) {
$new_line_level = $ends_line_level;
$ends_line_level = NULL;
}
if ( $in_escape ) {
$in_escape = false;
} else if( $char === '"' ) {
$in_quotes = !$in_quotes;
} else if( ! $in_quotes ) {
switch( $char ) {
case '}': case ']':
$level--;
$ends_line_level = NULL;
$new_line_level = $level;
break;
case '{': case '[':
$level++;
case ',':
$ends_line_level = $level;
break;
case ':':
$post = " ";
break;
case " ": case "\t": case "\n": case "\r":
$char = "";
$ends_line_level = $new_line_level;
$new_line_level = NULL;
break;
}
} else if ( $char === '\\' ) {
$in_escape = true;
}
if( $new_line_level !== NULL ) {
$result .= "\n".str_repeat( "\t", $new_line_level );
}
$result .= $char.$post;
}
return $result;
}
All of these internally end up calling a method called InternalGetValueAsString
. The difference between ToString
and GetName
would be that GetName
has to verify a few things first:
GetType
on the value to check this. .ToString
doesn't have to worry about any of these above issues, because it is called on an instance of the class itself, and not on a passed in version, therefore, due to the fact that the .ToString
method doesn't have the same verification issues as the static methods, I would conclude that .ToString
is the fastest way to get the value as a string.
The reason the exception is not caught is because the Foo() method has a void return type and so when await is called, it simply returns. As DoFoo() is not awaiting the completion of Foo, the exception handler cannot be used.
This opens up a simpler solution if you can change the method signatures - alter Foo()
so that it returns type Task
and then DoFoo()
can await Foo()
, as in this code:
public async Task Foo() {
var x = await DoSomethingThatThrows();
}
public async void DoFoo() {
try {
await Foo();
} catch (ProtocolException ex) {
// This will catch exceptions from DoSomethingThatThrows
}
}
import string
import random
def random_char(y):
return ''.join(random.choice(string.ascii_letters+string.digits+li) for x in range(y))
no=int(input("Enter the number of character for your password= "))
li = random.choice('!@#$%^*&( )_+}{')
print(random_char(no)+li)
Using new api fetch:
const dataToSend = JSON.stringify({"email": "[email protected]", "password": "101010"});
let dataReceived = "";
fetch("", {
credentials: "same-origin",
mode: "same-origin",
method: "post",
headers: { "Content-Type": "application/json" },
body: dataToSend
})
.then(resp => {
if (resp.status === 200) {
return resp.json()
} else {
console.log("Status: " + resp.status)
return Promise.reject("server")
}
})
.then(dataJson => {
dataReceived = JSON.parse(dataJson)
})
.catch(err => {
if (err === "server") return
console.log(err)
})
console.log(`Received: ${dataReceived}`)
_x000D_
And i can't alter the object. I can't put new methods on it.
How do i do this?
In case you also mean how do I make the object immutable and prevent subclassing: use the final
keyword
public final class Blog { //final classes can't be extended/subclassed
private final String title; //final members have to be set in the constructor and can't be changed
private final String author;
private final String url;
private final String description;
...
}
Edit: I just saw some of your comments and it seems you want to change the class but can't (third party I assume).
To prevent duplicates you might use a wrapper that implements appropriate equals()
and hashCode()
, then use the Set
aproach mentioned by the others:
class BlogWrapper {
private Blog blog; //set via constructor etc.
public int hashCode() {
int hashCode = blog.getTitle().hashCode(); //check for null etc.
//add the other hash codes as well
return hashCode;
}
public boolean equals(Object other) {
//check if both are BlogWrappers
//remember to check for null too!
Blog otherBlog = ((BlogWrapper)other).getBlog();
if( !blog.getTitle().equals(otherBlog.getTitle()) {
return false;
}
... //check other fields as well
return true
}
}
Note that this is just a rough and simple version and doesn't contain the obligatory null checks.
Finally use a Set<BlogWrapper>
, loop through all the blogs and try to add new BlogWrapper(blog)
to the set. In the end, you should only have unique (wrapped) blogs in the set.
The answer provided by Joe Stefanelli is already correct.
SELECT name FROM (SELECT name FROM agentinformation) as a
We need to make an alias of the subquery because a query needs a table object which we will get from making an alias for the subquery. Conceptually, the subquery results are substituted into the outer query. As we need a table object in the outer query, we need to make an alias of the inner query.
Statements that include a subquery usually take one of these forms:
Check for more subquery rules and subquery types.
More examples of Nested Subqueries.
IN / NOT IN – This operator takes the output of the inner query after the inner query gets executed which can be zero or more values and sends it to the outer query. The outer query then fetches all the matching [IN operator] or non matching [NOT IN operator] rows.
ANY – [>ANY or ANY operator takes the list of values produced by the inner query and fetches all the values which are greater than the minimum value of the list. The
e.g. >ANY(100,200,300), the ANY operator will fetch all the values greater than 100.
e.g. >ALL(100,200,300), the ALL operator will fetch all the values greater than 300.
Use -exec
:
"your-script-name": "nodemon [options] --exec 'npm start -s'"
I think you are trying to over complicate things. A simple solution is to just style your checkbox by default with the unchecked styles and then add the checked state styles.
input[type="checkbox"] {
// Unchecked Styles
}
input[type="checkbox"]:checked {
// Checked Styles
}
I apologize for bringing up an old thread but felt like it could have used a better answer.
EDIT (3/3/2016):
W3C Specs state that :not(:checked)
as their example for selecting the unchecked state. However, this is explicitly the unchecked state and will only apply those styles to the unchecked state. This is useful for adding styling that is only needed on the unchecked state and would need removed from the checked state if used on the input[type="checkbox"]
selector. See example below for clarification.
input[type="checkbox"] {
/* Base Styles aka unchecked */
font-weight: 300; // Will be overwritten by :checked
font-size: 16px; // Base styling
}
input[type="checkbox"]:not(:checked) {
/* Explicit Unchecked Styles */
border: 1px solid #FF0000; // Only apply border to unchecked state
}
input[type="checkbox"]:checked {
/* Checked Styles */
font-weight: 900; // Use a bold font when checked
}
Without using :not(:checked)
in the example above the :checked
selector would have needed to use a border: none;
to achieve the same affect.
Use the input[type="checkbox"]
for base styling to reduce duplication.
Use the input[type="checkbox"]:not(:checked)
for explicit unchecked styles that you do not want to apply to the checked state.
I use RegexBuddy for debbuging my regexes it has almost all languages very usefull. Than copy/paste for the targeted language. Terrific tool and not very expensive.
So I copy/pasted your regex and your issue is that [,] are special characters in regex, so you need to escape them. So the regex should be : /!@#$^&%*()+=-[\x5B\x5D]\/{}|:<>?,./im
iframe have "sandbox" attribute that may block pop up etc
D:\>javadoc *.java
If you want to create dock file of lang package then path should be same where your lang package is currently. For example, I created a folder name javaapi
and unzipped the src
zip file, then used the command below.
C:\Users\Techsupport1\Desktop\javaapi\java\lang> javadoc *.java
Override service method like this:
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
And Voila!
Using ipaddress (in the stdlib since 3.3, at PyPi for 2.6/2.7):
>>> import ipaddress
>>> ipaddress.ip_address('192.168.0.1') in ipaddress.ip_network('192.168.0.0/24')
True
If you want to evaluate a lot of IP addresses this way, you'll probably want to calculate the netmask upfront, like
n = ipaddress.ip_network('192.0.0.0/16')
netw = int(n.network_address)
mask = int(n.netmask)
Then, for each address, calculate the binary representation with one of
a = int(ipaddress.ip_address('192.0.43.10'))
a = struct.unpack('!I', socket.inet_pton(socket.AF_INET, '192.0.43.10'))[0]
a = struct.unpack('!I', socket.inet_aton('192.0.43.10'))[0] # IPv4 only
Finally, you can simply check:
in_network = (a & mask) == netw
On Mac (osx), I generated two .sh files, one for the first publication and another one for updating :
#!/bin/sh
echo "Ionic to Signed APK ---- [email protected] // Benjamin Rathelot\n"
printf "Project dir : "
read DIR
printf "Project key alias : "
read ALIAS
cd $DIR/
cordova build --release android
cd platforms/android/build/outputs/apk/
keytool -genkey -v -keystore my-release-key.keystore -alias $ALIAS -keyalg RSA -keysize 2048 -validity 10000
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore android-release-unsigned.apk $ALIAS
zipalign -v 4 android-release-unsigned.apk signedApk.apk
And to update your app:
#!/bin/sh
echo "Ionic to Signed APK ---- [email protected] // Benjamin Rathelot\n"
printf "Project dir : "
read DIR
printf "Project key alias : "
read ALIAS
cd $DIR/
cordova build --release android
cd platforms/android/build/outputs/apk/
rm signedApk.apk
jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore android-release-unsigned.apk $ALIAS
zipalign -v 4 android-release-unsigned.apk signedApk.apk
Assuming you're in your home folder or a folder topping your apps folders. Make sure to set correctly chmod to use this script. Then :
./ionicToApk.sh # or whatever depending of the name of your file, in CLI
Your signed apk will be in Your App folder/platforms/android/build/outputs/apk/ as SignedApk.apk Make sure to use the correct key alias and password defined with the first script
spark.default.parallelism is the default number of partition set by spark which is by default 200. and if you want to increase the number of partition than you can apply the property spark.sql.shuffle.partitions to set number of partition in the spark configuration or while running spark SQL.
Normally this spark.sql.shuffle.partitions it is being used when we have a memory congestion and we see below error: spark error:java.lang.IllegalArgumentException: Size exceeds Integer.MAX_VALUE
so set your can allocate a partition as 256 MB per partition and that you can use to set for your processes.
also If number of partitions is near to 2000 then increase it to more than 2000. As spark applies different logic for partition < 2000 and > 2000 which will increase your code performance by decreasing the memory footprint as data default is highly compressed if >2000.
To test if object is an instance of class a:
[yourObject isKindOfClass:[a class]]
// Returns a Boolean value that indicates whether the receiver is an instance of
// given class or an instance of any class that inherits from that class.
or
[yourObject isMemberOfClass:[a class]]
// Returns a Boolean value that indicates whether the receiver is an instance of a
// given class.
To get object's class name you can use NSStringFromClass
function:
NSString *className = NSStringFromClass([yourObject class]);
or c-function from objective-c runtime api:
#import <objc/runtime.h>
/* ... */
const char* className = class_getName([yourObject class]);
NSLog(@"yourObject is a: %s", className);
EDIT: In Swift
if touch.view is UIPickerView {
// touch.view is of type UIPickerView
}
New syntax (either):
test = df.sort_values(['one'], ascending=[False])
test = df.sort_values(['one'], ascending=[0])
The tutorial you saw was telling you how to exit nano editor. By typing Ctrl+X nano exits and if your file needs change you will be prompted to save the changes in which case to save you should press Y and then enter to save changes in the same file you open.
If you are not using any gui and you just want to leave the shell the command is Ctrl+D.
Regarding tutorial, The Linux Documentation Project would be a good place to start. If you like books I would recommend by far any book you want from O'Reilly. They have nice cd bookshelfs with good compilation for any linux sysadmin, and without much effort you can find many places where those html bookshelfs are available to read online.
I had also faced same error when i was trying to call bootstrap modal from jquery. But this happens because we are using bootstrap modal and for this we need to attach one cdn bootstrap.min.js which is
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
Hope this will help as I missed that when i was trying to call bootstrap modal from jQuery using
$('#button').on('click',function(){
$('#myModal').modal();
});
myModal
is the id of Bootstrap modal
and you have to give a click event to a button when you call click that button a pop up modal will be displayed.
It seems to be a python bug (that works perfectly in vim).
The source of the problem is the (\s*...)+ bit. Basically , you can't do (\s*)+
which make sense , because you are trying to repeat something which can be null.
>>> re.compile(r"(\s*)+")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/re.py", line 180, in compile
return _compile(pattern, flags)
File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/re.py", line 233, in _compile
raise error, v # invalid expression
sre_constants.error: nothing to repeat
However (\s*\1)
should not be null, but we know it only because we know what's in \1. Apparently python doesn't ... that's weird.
See your auto-generated Fragment
created by Android Studio. When you created the new Fragment
, Studio stubbed a bunch of code for you. At the bottom of the auto-generated template there is an inner interface definition called OnFragmentInteractionListener
. Your Activity
needs to implement this interface. This is the recommended pattern for your Fragment
to notify your Activity
of events so it can then take appropriate action, such as load another Fragment
. See this page for details, look for the "Creating event callbacks for the Activity" section: http://developer.android.com/guide/components/fragments.html
This error happens because of your Jre version of Eclipse and Tomcat are mismatched ..either change eclipse one to tomcat one or ViceVersa..
Both should be same ..Java version
mismatched ..Check it
=
and LIKE
is not the same;
=
matches the exact string LIKE
matches a string that may contain wildcards (%)CREATE TABLE table_temp_list_objects AS
SELECT o.owner, o.object_name FROM sys.all_objects o WHERE o.object_type ='TABLE';
This is what I did to integrate Identity with an existing database.
Create a sample MVC project with MVC template. This has all the code needed for Identity implementation - Startup.Auth.cs, IdentityConfig.cs, Account Controller code, Manage Controller, Models and related views.
Install the necessary nuget packages for Identity and OWIN. You will get an idea by seeing the references in the sample Project and the answer by @Sam
Copy all these code to your existing project. Please note don't forget to add the "DefaultConnection" connection string for Identity to map to your database. Please check the ApplicationDBContext class in IdentityModel.cs where you will find the reference to "DefaultConnection" connection string.
This is the SQL script I ran on my existing database to create necessary tables:
USE ["YourDatabse"]
GO
/****** Object: Table [dbo].[AspNetRoles] Script Date: 16-Aug-15 6:52:25 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[AspNetRoles](
[Id] [nvarchar](128) NOT NULL,
[Name] [nvarchar](256) NOT NULL,
CONSTRAINT [PK_dbo.AspNetRoles] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
/****** Object: Table [dbo].[AspNetUserClaims] Script Date: 16-Aug-15 6:52:25 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[AspNetUserClaims](
[Id] [int] IDENTITY(1,1) NOT NULL,
[UserId] [nvarchar](128) NOT NULL,
[ClaimType] [nvarchar](max) NULL,
[ClaimValue] [nvarchar](max) NULL,
CONSTRAINT [PK_dbo.AspNetUserClaims] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
/****** Object: Table [dbo].[AspNetUserLogins] Script Date: 16-Aug-15 6:52:25 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[AspNetUserLogins](
[LoginProvider] [nvarchar](128) NOT NULL,
[ProviderKey] [nvarchar](128) NOT NULL,
[UserId] [nvarchar](128) NOT NULL,
CONSTRAINT [PK_dbo.AspNetUserLogins] PRIMARY KEY CLUSTERED
(
[LoginProvider] ASC,
[ProviderKey] ASC,
[UserId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
/****** Object: Table [dbo].[AspNetUserRoles] Script Date: 16-Aug-15 6:52:25 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[AspNetUserRoles](
[UserId] [nvarchar](128) NOT NULL,
[RoleId] [nvarchar](128) NOT NULL,
CONSTRAINT [PK_dbo.AspNetUserRoles] PRIMARY KEY CLUSTERED
(
[UserId] ASC,
[RoleId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
/****** Object: Table [dbo].[AspNetUsers] Script Date: 16-Aug-15 6:52:25 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[AspNetUsers](
[Id] [nvarchar](128) NOT NULL,
[Email] [nvarchar](256) NULL,
[EmailConfirmed] [bit] NOT NULL,
[PasswordHash] [nvarchar](max) NULL,
[SecurityStamp] [nvarchar](max) NULL,
[PhoneNumber] [nvarchar](max) NULL,
[PhoneNumberConfirmed] [bit] NOT NULL,
[TwoFactorEnabled] [bit] NOT NULL,
[LockoutEndDateUtc] [datetime] NULL,
[LockoutEnabled] [bit] NOT NULL,
[AccessFailedCount] [int] NOT NULL,
[UserName] [nvarchar](256) NOT NULL,
CONSTRAINT [PK_dbo.AspNetUsers] PRIMARY KEY CLUSTERED
(
[Id] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
ALTER TABLE [dbo].[AspNetUserClaims] WITH CHECK ADD CONSTRAINT [FK_dbo.AspNetUserClaims_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
REFERENCES [dbo].[AspNetUsers] ([Id])
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[AspNetUserClaims] CHECK CONSTRAINT [FK_dbo.AspNetUserClaims_dbo.AspNetUsers_UserId]
GO
ALTER TABLE [dbo].[AspNetUserLogins] WITH CHECK ADD CONSTRAINT [FK_dbo.AspNetUserLogins_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
REFERENCES [dbo].[AspNetUsers] ([Id])
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[AspNetUserLogins] CHECK CONSTRAINT [FK_dbo.AspNetUserLogins_dbo.AspNetUsers_UserId]
GO
ALTER TABLE [dbo].[AspNetUserRoles] WITH CHECK ADD CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetRoles_RoleId] FOREIGN KEY([RoleId])
REFERENCES [dbo].[AspNetRoles] ([Id])
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[AspNetUserRoles] CHECK CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetRoles_RoleId]
GO
ALTER TABLE [dbo].[AspNetUserRoles] WITH CHECK ADD CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetUsers_UserId] FOREIGN KEY([UserId])
REFERENCES [dbo].[AspNetUsers] ([Id])
ON DELETE CASCADE
GO
ALTER TABLE [dbo].[AspNetUserRoles] CHECK CONSTRAINT [FK_dbo.AspNetUserRoles_dbo.AspNetUsers_UserId]
GO
Check and solve any remaining errors and you are done. Identity will handle the rest :)
We're using Jira 6.2 and I use this query:
updatedDate > startOfDay(-1d) AND updatedDate < endOfDay(-1)
to return all of the issues that were updated from the previous day. You can combine with whichever queries you want to return the appropriate issues for the previous day.
If creating a SSLSocketFactory
is not an option, just import the key into the JVM
Retrieve the public key:
$openssl s_client -connect dev-server:443
, then create a file dev-server.pem that looks like
-----BEGIN CERTIFICATE-----
lklkkkllklklklklllkllklkl
lklkkkllklklklklllkllklkl
lklkkkllklk....
-----END CERTIFICATE-----
Import the key: #keytool -import -alias dev-server -keystore $JAVA_HOME/jre/lib/security/cacerts -file dev-server.pem
.
Password: changeit
Restart JVM
Try this after curl_exec to see what's the problem:
print curl_error($ch);
If it's print something like 'malformed' then check your URL format.
Try this
var myarray = ["item 1", "item 2", "item 3", "item 4"];
//removes the first element of the array, and returns that element apart from item 1.
myarray.shift();
console.log(myarray);
To display the item number on the repeater you can use the Container.ItemIndex
property.
<asp:repeater id="rptRepeater" runat="server">
<itemtemplate>
Item <%# Container.ItemIndex + 1 %>| <%# Eval("Column1") %>
</itemtemplate>
<separatortemplate>
<br />
</separatortemplate>
</asp:repeater>
Just found another solutions worked for me. You can use '\' sign before your one special.
passwd=\@31\&3*J
I've been fighting with this issue for a long time, and just y'day I figure out how to make it gone and today I can run a 50 threads process calling selenium without seen this issue anymore and also stop crashing my machine with outofmemory issue with too many open chromedriver processes.
these 4 items are the basic setting everyone would already know, now comes the code, where all made a lot of difference to achieve the success:
public class HttpWebClient {
public static ChromeDriverService service;
public ThreadLocal<WebDriver> threadWebDriver = new ThreadLocal<WebDriver>(){
@Override
protected WebDriver initialValue() {
FirefoxProfile profile = new FirefoxProfile();
profile.setPreference("permissions.default.stylesheet", 2);
profile.setPreference("permissions.default.image", 2);
profile.setPreference("dom.ipc.plugins.enabled.libflashplayer.so", "false");
profile.setPreference(FirefoxProfile.ALLOWED_HOSTS_PREFERENCE, "localhost");
WebDriver driver = new FirefoxDriver(profile);
return driver;
};
};
public HttpWebClient(){
// fix for headless systems:
// start service first, this will create an instance at system and every time you call the
// browser will be used
// be sure you start the service only if there are no alive instances, that will prevent you to have
// multiples chromedrive instances causing it to crash
try{
if (service==null){
service = new ChromeDriverService.Builder()
.usingDriverExecutable(new File(conf.get("webdriver.chrome.driver"))) // set the chromedriver path at your system
.usingAnyFreePort()
.withEnvironment(ImmutableMap.of("DISPLAY", ":15"))
.withSilent(true)
.build();
service.start();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// my Configuration class is for good and easy setting, you can replace it by using values instead.
public WebDriver getDriverForPage(String url, Configuration conf) {
WebDriver driver = null;
DesiredCapabilities capabilities = null;
long pageLoadWait = conf.getLong("page.load.delay", 60);
try {
System.setProperty("webdriver.chrome.driver", conf.get("webdriver.chrome.driver"));
String driverType = conf.get("selenium.driver", "chrome");
capabilities = DesiredCapabilities.chrome();
String[] options = new String[] { "--start-maximized", "--headless" };
capabilities.setCapability("chrome.switches", options);
// here is where your chromedriver will call the browser
// I used to call the class ChromeDriver directly, which was causing too much problems
// when you have multiple calls
driver = new RemoteWebDriver(service.getUrl(), capabilities);
driver.manage().timeouts().pageLoadTimeout(pageLoadWait, TimeUnit.SECONDS);
driver.get(url);
// never look back
} catch (Exception e) {
if (e instanceof TimeoutException) {
LOG.debug("Crawling URL : "+url);
LOG.debug("Selenium WebDriver: Timeout Exception: Capturing whatever loaded so far...");
return driver;
}
cleanUpDriver(driver);
throw new RuntimeException(e);
}
return driver;
}
public void cleanUpDriver(WebDriver driver) {
if (driver != null) {
try {
// be sure to close every driver you opened
driver.close();
driver.quit();
//service.stop(); do not stop the service, bcz it is needed
TemporaryFilesystem.getDefaultTmpFS().deleteTemporaryFiles();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}
}
Good luck and I hope you don't see that crash issue anymore
Please comment your success
Best regards,
$()
means: "first evaluate this, and then evaluate the rest of the line".
Ex :
echo $(pwd)/myFile.txt
will be interpreted as
echo /my/path/myFile.txt
On the other hand ${}
expands a variable.
Ex:
MY_VAR=toto
echo ${MY_VAR}/myFile.txt
will be interpreted as
echo toto/myFile.txt
Why can't I use it as
bash$ while ((i=0;i<10;i++)); do echo $i; done
I'm afraid the answer is just that the bash syntax for while
just isn't the same as the syntax for for
.
MSDN has a nice descriptive article on nulls and the three state logic that they engender.
In short, the SQL92 spec defines NULL as unknown, and NULL used in the following operators causes unexpected results for the uninitiated:
= operator NULL true false
NULL NULL NULL NULL
true NULL true false
false NULL false true
and op NULL true false
NULL NULL NULL false
true NULL true false
false false false false
or op NULL true false
NULL NULL true NULL
true true true true
false NULL true false
write.csv(t, "t.csv", row.names=FALSE)
From ?write.csv
:
row.names: either a logical value indicating whether the row names of
‘x’ are to be written along with ‘x’, or a character vector
of row names to be written.
You could have an array that starts out with 10 elements. Read input character by character. If it goes over, realloc another 5 more. Not the best, but then you can free the other space later.
You can use justify-content: space-between
in .test
like so:
.test {_x000D_
display: flex;_x000D_
justify-content: space-between;_x000D_
width: 20rem;_x000D_
border: .1rem red solid;_x000D_
}
_x000D_
<div class="test">_x000D_
<button>test</button>_x000D_
<button>test</button>_x000D_
</div>
_x000D_
For those who want to use Bootstrap 4 can use justify-content-between
:
div {_x000D_
width: 20rem;_x000D_
border: .1rem red solid;_x000D_
}
_x000D_
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" rel="stylesheet" />_x000D_
<div class="d-flex justify-content-between">_x000D_
<button>test</button>_x000D_
<button>test</button>_x000D_
</div>
_x000D_
What about summing both extremities? It would cut time in half. Like so:
1, 2, 3, 4, 5, 6, 7, 8; sum = 0
2, 3, 4, 5, 6, 7; sum = 10
3, 4, 5, 6; sum = 19
4, 5; sum = 28
sum = 37
One algorithm could be:
function sum_array(arr){
let sum = 0,
length = arr.length,
half = Math.floor(length/2)
for (i = 0; i < half; i++) {
sum += arr[i] + arr[length - 1 - i]
}
if (length%2){
sum += arr[half]
}
return sum
}
It performs faster when I test it on the browser with performance.now()
.
I think this is a better way. What do you guys think?
A pointer pointing to a memory location that has been deleted (or freed) is called dangling pointer.
#include <stdlib.h>
#include <stdio.h>
void main()
{
int *ptr = (int *)malloc(sizeof(int));
// After below free call, ptr becomes a
// dangling pointer
free(ptr);
}
for more information click HERE
It seems the jQuery cookie plugin is not available for download. However, you can download the same jQuery cookie plugin with some improvements described in jQuery & Cookies (get/set/delete & a plugin).
It's the resources required to set up an operation. It might seem unrelated, but necessary.
It's like when you need to go somewhere, you might need a car. But, it would be a lot of overhead to get a car to drive down the street, so you might want to walk. However, the overhead would be worth it if you were going across the country.
In computer science, sometimes we use cars to go down the street because we don't have a better way, or it's not worth our time to "learn how to walk".
A method that I use is to load the table into R as a data.frame
, then use dbWriteTable
to push it to PostgreSQL. These two steps are shown below.
R's data.frame
objects are database-like, where named columns have explicit types, such as text or numbers. There are several ways to get a spreadsheet into R, such as XLConnect. However, a really simple method is to select the range of the Excel table (including the header), copy it (i.e. CTRL+C), then in R use this command to get it from the clipboard:
d <- read.table("clipboard", header=TRUE, sep="\t", quote="\"", na.strings="", as.is=TRUE)
If you have RStudio, you can easily view the d
object to make sure it is as expected.
Ensure you have RPostgreSQL installed from CRAN, then make a connection and send the data.frame
to the database:
library(RPostgreSQL)
conn <- dbConnect(PostgreSQL(), dbname="mydb")
dbWriteTable(conn, "some_table_name", d)
Now some_table_name
should appear in the database.
Some common clean-up steps can be done from pgAdmin or psql:
ALTER TABLE some_table_name RENAME "row.names" TO id;
ALTER TABLE some_table_name ALTER COLUMN id TYPE integer USING id::integer;
ALTER TABLE some_table_name ADD PRIMARY KEY (id);
#include <magic_enum.hpp>
enum Color { RED = 2, BLUE = 4, GREEN = 8 };
Color color = Color::RED;
auto color_name = magic_enum::enum_name(color);
// color_name -> "RED"
std::string color_name{"GREEN"};
auto color = magic_enum::enum_cast<Color>(color_name)
if (color.has_value()) {
// color.value() -> Color::GREEN
};
For more examples check home repository https://github.com/Neargye/magic_enum.
This library uses a compiler-specific hack (based on __PRETTY_FUNCTION__
/ __FUNCSIG__
), which works on Clang >= 5, MSVC >= 15.3 and GCC >= 9.
Enum value must be in range [MAGIC_ENUM_RANGE_MIN, MAGIC_ENUM_RANGE_MAX]
.
By default MAGIC_ENUM_RANGE_MIN = -128
, MAGIC_ENUM_RANGE_MAX = 128
.
If need another range for all enum types by default, redefine the macro MAGIC_ENUM_RANGE_MIN
and MAGIC_ENUM_RANGE_MAX
.
MAGIC_ENUM_RANGE_MIN
must be less or equals than 0
and must be greater than INT16_MIN
.
MAGIC_ENUM_RANGE_MAX
must be greater than 0
and must be less than INT16_MAX
.
If need another range for specific enum type, add specialization enum_range for necessary enum type.
#include <magic_enum.hpp>
enum number { one = 100, two = 200, three = 300 };
namespace magic_enum {
template <>
struct enum_range<number> {
static constexpr int min = 100;
static constexpr int max = 300;
};
}
dojox.grid.DataGrid offers a JS abstraction for data so you can hook it up to various backends with provided dojo.data stores or write your own. You'll obviously need one that supports random access for this many records. DataGrid also provides full accessibility.
Edit so here's a link to Matthew Russell's article that should provide the example you need, viewing millions of records with dojox.grid. Note that it uses the old version of the grid, but the concepts are the same, there were just some incompatible API improvements.
Oh, and it's totally free open source.
It's worth noting that the QuerySet.values_list()
method doesn't actually return a list, but an object of type django.db.models.query.ValuesListQuerySet
, in order to maintain Django's goal of lazy evaluation, i.e. the DB query required to generate the 'list' isn't actually performed until the object is evaluated.
Somewhat irritatingly, though, this object has a custom __repr__
method which makes it look like a list when printed out, so it's not always obvious that the object isn't really a list.
The exception in the question is caused by the fact that custom objects cannot be serialized in JSON, so you'll have to convert it to a list first, with...
my_list = list(self.get_queryset().values_list('code', flat=True))
...then you can convert it to JSON with...
json_data = json.dumps(my_list)
You'll also have to place the resulting JSON data in an HttpResponse
object, which, apparently, should have a Content-Type
of application/json
, with...
response = HttpResponse(json_data, content_type='application/json')
...which you can then return from your function.
This is not a new question. I addresed it in comments in one SO post, and posted my alternative implementations in another post. The comments in the first post actually elucidate the performance differences between the different implementations.
Basically, which works fastest depends on what database object you use with it.
Like most form controls in HTML, the results of applying CSS to <select>
and <option>
elements vary a lot between browsers. Chrome, as you've found, won't let you apply and font styles to an <option>
element directly --- if you do Inspect Element on it, you'll see the font-size: 14px
declaration is crossed through as if it's been overridden by the cascade, but it's actually because Chrome is ignoring it.
However, Chrome will let you apply font styles to the <optgroup>
element, so to achieve the result you want you can wrap all the <option>
s in an <optgroup>
and then apply your font styles to a .styled-select optgroup
selector. If you want the optgroup sans-label, you may have to do some clever CSS with positioning or something to hide the white area at the top where the label would be shown, but that should be possible.
Forked to a new JSFiddle to show you what I mean:
You can use a FileOutputStream for this.
FileOutputStream fos = null;
try {
fos = new FileOutputStream(new File("myFile"));
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// Put data in your baos
baos.writeTo(fos);
} catch(IOException ioe) {
// Handle exception here
ioe.printStackTrace();
} finally {
fos.close();
}
The following worked for me
import java.time.*;
import java.time.format.*;
public class Times {
public static void main(String[] args) {
final String dateTime = "2012-02-22T02:06:58.147Z";
DateTimeFormatter formatter = DateTimeFormatter.ISO_INSTANT;
final ZonedDateTime parsed = ZonedDateTime.parse(dateTime, formatter.withZone(ZoneId.of("UTC")));
System.out.println(parsed.toLocalDateTime());
}
}
and gave me output as
2012-02-22T02:06:58.147
On SQL 2017 - Database A has synonyms to Database B. User can connect to database A and has exec rights to an sp (on A) that refers to the synonyms that point to B. User was set up with connect access B. Only when granting CONNECT to the public group to database B did the sp on A work. I don't recall this working this way on 2012 as granting connect to the user only seemed to work.
Update the empty password in the table mysql.user of mysql
use mysql;
select host,user,password from mysql.user;
update mysql.user set password = PASSWORD('123456') where password = '';
flush privileges;
One of the easiest way is to use a common table expression (since you're already on SQL 2005):
with cte as (
select
im.itemid
,im.sku as iSku
,gm.SKU as GSKU
,mm.ManufacturerId as ManuId
,mm.ManufacturerName
,im.mf_item_number
,mm.ManufacturerID
, <your other field>
from
item_master im, group_master gm, Manufacturer_Master mm
where
im.mf_item_number like 'STA%'
and im.sku=gm.sku
and gm.ManufacturerID = mm.ManufacturerID
and gm.manufacturerID=34)
update cte set mf_item_number = <your other field>
The query execution engine will figure out on its own how to update the record.
If your website is using authentication, but you don't have the correct authentication method set up in IIS (e.g. Basic, Forms etc..) then the browser will be getting stuck in a redirect loop. This causes the redirect url to get longer and longer until it explodes.
$('.class')[$(this).length - 1]
or
$( "p" ).last().addClass( "selected" );
Simply add it to your current code, then call (new Date()).getWeek()
<script>
Date.prototype.getWeek = function() {
var onejan = new Date(this.getFullYear(), 0, 1);
return Math.ceil((((this - onejan) / 86400000) + onejan.getDay() + 1) / 7);
}
var weekNumber = (new Date()).getWeek();
var dayNames = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
var now = new Date();
document.write(dayNames[now.getDay()] + " (" + weekNumber + ").");
</script>
in onCreate method write-
Toolbar toolbar = findViewById(R.id.tool);
setSupportActionBar(toolbar);
if (getSupportActionBar() != null) {
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayShowHomeEnabled(true);
}
}
@Override
public boolean onSupportNavigateUp() {
onBackPressed();
return true;
}
@Override
public void onBackPressed() {
super.onBackPressed();
startActivity(new Intent(ActivityOne.this, ActivityTwo.class));
finish();
}
and this is the xml file-
<android.support.v7.widget.Toolbar
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/colorPrimary"
android:theme="@style/ThemeOverlay.AppCompat.Dark"
android:id="@+id/tool">
and in styles.xml change it to
Theme.AppCompat.Light.NoActionBar
this is all what we have to do.
For variety's sake:
var actions = {input1: "action1.php", input2: "action2.php"};
$("#input1, #input2").click(function() {
$(this).closest("form").attr("action", actions[this.id]);
});
SELECT * FROM tableName WHERE columnName LIKE "%#%" OR columnName LIKE "%$%" OR (etc.)
Edit: I feel it's better for anyone to consult the excellent chat example on the Socket.IO getting started page. The API has been quite simplified since I provided this answer. That being said, here is the original answer updated small-small for the newer API.
Just because I feel nice today:
<!doctype html>
<html>
<head>
<script src='/socket.io/socket.io.js'></script>
<script>
var socket = io();
socket.on('welcome', function(data) {
addMessage(data.message);
// Respond with a message including this clients' id sent from the server
socket.emit('i am client', {data: 'foo!', id: data.id});
});
socket.on('time', function(data) {
addMessage(data.time);
});
socket.on('error', console.error.bind(console));
socket.on('message', console.log.bind(console));
function addMessage(message) {
var text = document.createTextNode(message),
el = document.createElement('li'),
messages = document.getElementById('messages');
el.appendChild(text);
messages.appendChild(el);
}
</script>
</head>
<body>
<ul id='messages'></ul>
</body>
</html>
var http = require('http'),
fs = require('fs'),
// NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server listens to our app
var io = require('socket.io').listen(app);
// Send current time to all connected clients
function sendTime() {
io.emit('time', { time: new Date().toJSON() });
}
// Send current time every 10 secs
setInterval(sendTime, 10000);
// Emit welcome message on connection
io.on('connection', function(socket) {
// Use socket to communicate with this particular client only, sending it it's own id
socket.emit('welcome', { message: 'Welcome!', id: socket.id });
socket.on('i am client', console.log);
});
app.listen(3000);
If ComboBox1.SelectedIndex = -1 Then
ComboBox1.SelectedIndex = 0
End If
I wouldn't have thought so.
If you have Visual Studio you could edit them through that. Some versions of Visual Studio has Crystal Reports shipped with them.
If not, you will have to find someone who has Crystal Reports and ask then nicely to amend them for you. Or buy Crystal Reports!
id()
does return the address of the object being referenced (in CPython), but your confusion comes from the fact that python lists are very different from C arrays. In a python list, every element is a reference. So what you are doing is much more similar to this C code:
int *arr[3];
arr[0] = malloc(sizeof(int));
*arr[0] = 1;
arr[1] = malloc(sizeof(int));
*arr[1] = 2;
arr[2] = malloc(sizeof(int));
*arr[2] = 3;
printf("%p %p %p", arr[0], arr[1], arr[2]);
In other words, you are printing the address from the reference and not an address relative to where your list is stored.
In my case, I have found the id()
function handy for creating opaque handles to return to C code when calling python
from C. Doing that, you can easily use a dictionary to look up the object from its handle and it's guaranteed to be unique.
The most Pythonic idiom is to clearly document what the function expects and then just try to use whatever gets passed to your function and either let exceptions propagate or just catch attribute errors and raise a TypeError
instead. Type-checking should be avoided as much as possible as it goes against duck-typing. Value testing can be OK – depending on the context.
The only place where validation really makes sense is at system or subsystem entry point, such as web forms, command line arguments, etc. Everywhere else, as long as your functions are properly documented, it's the caller's responsibility to pass appropriate arguments.
The entire transmission, including the query string, the whole URL, and even the type of request (GET, POST, etc.) is encrypted when using HTTPS.
You should add next permission:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
And then here is usages in code:
val externalFilesDir = context.getExternalFilesDir(DIRECTORY_DOWNLOADS)
try this:
Intent intent = getPackageManager().getLaunchIntentForPackage(getPackageName());
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
I have used this to remove unwanted words from text files:
bad_words = ['abc', 'def', 'ghi', 'jkl']
with open('List of words.txt') as badfile, open('Clean list of words.txt', 'w') as cleanfile:
for line in badfile:
clean = True
for word in bad_words:
if word in line:
clean = False
if clean == True:
cleanfile.write(line)
Or to do the same for all files in a directory:
import os
bad_words = ['abc', 'def', 'ghi', 'jkl']
for root, dirs, files in os.walk(".", topdown = True):
for file in files:
if '.txt' in file:
with open(file) as filename, open('clean '+file, 'w') as cleanfile:
for line in filename:
clean = True
for word in bad_words:
if word in line:
clean = False
if clean == True:
cleanfile.write(line)
I'm sure there must be a more elegant way to do it, but this did what I wanted it to.
This may be a bit of a hack, but you can cast the .DayOfWeek property to an int (it's an enum and since its not had its underlying data type changed it defaults to int) and use that to determine the previous start of the week.
It appears the week specified in the DayOfWeek enum starts on Sunday, so if we subtract 1 from this value that'll be equal to how many days the Monday is before the current date. We also need to map the Sunday (0) to equal 7 so given 1 - 7 = -6 the Sunday will map to the previous Monday:-
DateTime now = DateTime.Now;
int dayOfWeek = (int)now.DayOfWeek;
dayOfWeek = dayOfWeek == 0 ? 7 : dayOfWeek;
DateTime startOfWeek = now.AddDays(1 - (int)now.DayOfWeek);
The code for the previous Sunday is simpler as we don't have to make this adjustment:-
DateTime now = DateTime.Now;
int dayOfWeek = (int)now.DayOfWeek;
DateTime startOfWeek = now.AddDays(-(int)now.DayOfWeek);
This should work (which you have tried)
$this->db->where_not_in('emailsToCampaigns.campaignId', $campaignId);
Before couple of months, I created GPSTracker library to help me to get GPS locations. In case you need to view GPSTracker > getLocation
AndroidManifest.xml
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
Activity
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.widget.TextView;
public class MainActivity extends Activity {
TextView textview;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.geo_locations);
// check if GPS enabled
GPSTracker gpsTracker = new GPSTracker(this);
if (gpsTracker.getIsGPSTrackingEnabled())
{
String stringLatitude = String.valueOf(gpsTracker.latitude);
textview = (TextView)findViewById(R.id.fieldLatitude);
textview.setText(stringLatitude);
String stringLongitude = String.valueOf(gpsTracker.longitude);
textview = (TextView)findViewById(R.id.fieldLongitude);
textview.setText(stringLongitude);
String country = gpsTracker.getCountryName(this);
textview = (TextView)findViewById(R.id.fieldCountry);
textview.setText(country);
String city = gpsTracker.getLocality(this);
textview = (TextView)findViewById(R.id.fieldCity);
textview.setText(city);
String postalCode = gpsTracker.getPostalCode(this);
textview = (TextView)findViewById(R.id.fieldPostalCode);
textview.setText(postalCode);
String addressLine = gpsTracker.getAddressLine(this);
textview = (TextView)findViewById(R.id.fieldAddressLine);
textview.setText(addressLine);
}
else
{
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gpsTracker.showSettingsAlert();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.varna_lab_geo_locations, menu);
return true;
}
}
GPS Tracker
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;
/**
* Create this Class from tutorial :
* http://www.androidhive.info/2012/07/android-gps-location-manager-tutorial
*
* For Geocoder read this : http://stackoverflow.com/questions/472313/android-reverse-geocoding-getfromlocation
*
*/
public class GPSTracker extends Service implements LocationListener {
// Get Class Name
private static String TAG = GPSTracker.class.getName();
private final Context mContext;
// flag for GPS Status
boolean isGPSEnabled = false;
// flag for network status
boolean isNetworkEnabled = false;
// flag for GPS Tracking is enabled
boolean isGPSTrackingEnabled = false;
Location location;
double latitude;
double longitude;
// How many Geocoder should return our GPSTracker
int geocoderMaxResults = 1;
// The minimum distance to change updates in meters
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute
// Declaring a Location Manager
protected LocationManager locationManager;
// Store LocationManager.GPS_PROVIDER or LocationManager.NETWORK_PROVIDER information
private String provider_info;
public GPSTracker(Context context) {
this.mContext = context;
getLocation();
}
/**
* Try to get my current location by GPS or Network Provider
*/
public void getLocation() {
try {
locationManager = (LocationManager) mContext.getSystemService(LOCATION_SERVICE);
//getting GPS status
isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);
//getting network status
isNetworkEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
// Try to get location if you GPS Service is enabled
if (isGPSEnabled) {
this.isGPSTrackingEnabled = true;
Log.d(TAG, "Application use GPS Service");
/*
* This provider determines location using
* satellites. Depending on conditions, this provider may take a while to return
* a location fix.
*/
provider_info = LocationManager.GPS_PROVIDER;
} else if (isNetworkEnabled) { // Try to get location if you Network Service is enabled
this.isGPSTrackingEnabled = true;
Log.d(TAG, "Application use Network State to get GPS coordinates");
/*
* This provider determines location based on
* availability of cell tower and WiFi access points. Results are retrieved
* by means of a network lookup.
*/
provider_info = LocationManager.NETWORK_PROVIDER;
}
// Application can use GPS or Network Provider
if (!provider_info.isEmpty()) {
locationManager.requestLocationUpdates(
provider_info,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES,
this
);
if (locationManager != null) {
location = locationManager.getLastKnownLocation(provider_info);
updateGPSCoordinates();
}
}
}
catch (Exception e)
{
//e.printStackTrace();
Log.e(TAG, "Impossible to connect to LocationManager", e);
}
}
/**
* Update GPSTracker latitude and longitude
*/
public void updateGPSCoordinates() {
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
/**
* GPSTracker latitude getter and setter
* @return latitude
*/
public double getLatitude() {
if (location != null) {
latitude = location.getLatitude();
}
return latitude;
}
/**
* GPSTracker longitude getter and setter
* @return
*/
public double getLongitude() {
if (location != null) {
longitude = location.getLongitude();
}
return longitude;
}
/**
* GPSTracker isGPSTrackingEnabled getter.
* Check GPS/wifi is enabled
*/
public boolean getIsGPSTrackingEnabled() {
return this.isGPSTrackingEnabled;
}
/**
* Stop using GPS listener
* Calling this method will stop using GPS in your app
*/
public void stopUsingGPS() {
if (locationManager != null) {
locationManager.removeUpdates(GPSTracker.this);
}
}
/**
* Function to show settings alert dialog
*/
public void showSettingsAlert() {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
//Setting Dialog Title
alertDialog.setTitle(R.string.GPSAlertDialogTitle);
//Setting Dialog Message
alertDialog.setMessage(R.string.GPSAlertDialogMessage);
//On Pressing Setting button
alertDialog.setPositiveButton(R.string.action_settings, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which)
{
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
//On pressing cancel button
alertDialog.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which)
{
dialog.cancel();
}
});
alertDialog.show();
}
/**
* Get list of address by latitude and longitude
* @return null or List<Address>
*/
public List<Address> getGeocoderAddress(Context context) {
if (location != null) {
Geocoder geocoder = new Geocoder(context, Locale.ENGLISH);
try {
/**
* Geocoder.getFromLocation - Returns an array of Addresses
* that are known to describe the area immediately surrounding the given latitude and longitude.
*/
List<Address> addresses = geocoder.getFromLocation(latitude, longitude, this.geocoderMaxResults);
return addresses;
} catch (IOException e) {
//e.printStackTrace();
Log.e(TAG, "Impossible to connect to Geocoder", e);
}
}
return null;
}
/**
* Try to get AddressLine
* @return null or addressLine
*/
public String getAddressLine(Context context) {
List<Address> addresses = getGeocoderAddress(context);
if (addresses != null && addresses.size() > 0) {
Address address = addresses.get(0);
String addressLine = address.getAddressLine(0);
return addressLine;
} else {
return null;
}
}
/**
* Try to get Locality
* @return null or locality
*/
public String getLocality(Context context) {
List<Address> addresses = getGeocoderAddress(context);
if (addresses != null && addresses.size() > 0) {
Address address = addresses.get(0);
String locality = address.getLocality();
return locality;
}
else {
return null;
}
}
/**
* Try to get Postal Code
* @return null or postalCode
*/
public String getPostalCode(Context context) {
List<Address> addresses = getGeocoderAddress(context);
if (addresses != null && addresses.size() > 0) {
Address address = addresses.get(0);
String postalCode = address.getPostalCode();
return postalCode;
} else {
return null;
}
}
/**
* Try to get CountryName
* @return null or postalCode
*/
public String getCountryName(Context context) {
List<Address> addresses = getGeocoderAddress(context);
if (addresses != null && addresses.size() > 0) {
Address address = addresses.get(0);
String countryName = address.getCountryName();
return countryName;
} else {
return null;
}
}
@Override
public void onLocationChanged(Location location) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
If the method / answer doesn't work. You need to use the official Google Provider: FusedLocationProviderApi.
Article: Getting the Last Known Location
updated
might be what you're looking for. https://vuejs.org/v2/api/#updated
an idea:
<form method="POST" action="javascript:void(0);" onSubmit="CheckPassword()">
<input id="pwset" type="text" size="20" name='pwuser'><br><br>
<button type="button" onclick="CheckPassword()">Next</button>
</form>
and
<script type="text/javascript">
$("#pwset").focus();
function CheckPassword()
{
inputtxt = $("#pwset").val();
//and now your code
$("#div1").load("next.php #div2");
return false;
}
</script>
NUMBER (precision, scale)
means precision
number of total digits, of which scale
digits are right of the decimal point.
NUMBER(2,2)
in other words means a number with 2 digits, both of which are decimals. You may mean to use NUMBER(4,2)
to get 4 digits, of which 2 are decimals. Currently you can just insert values with a zero integer part.
At the time of writing, none of the answers used a built-in function for this:
function addScheme($url, $scheme = 'http://')
{
return parse_url($url, PHP_URL_SCHEME) === null ?
$scheme . $url : $url;
}
echo addScheme('google.com'); // "http://google.com"
echo addScheme('https://google.com'); // "https://google.com"
See also: parse_url()
It looks like sklearn requires the data shape of (row number, column number).
If your data shape is (row number, ) like (999, )
, it does not work.
By using numpy.reshape()
, you should change the shape of the array to (999, 1)
, e.g. using
data=data.reshape((999,1))
In my case, it worked with that.
The other answers are just fine, but I wanted to point out one other peripheral thing: Arrays are ordered, whereas Hashes are not in 1.8. (In Ruby 1.9, Hashes are ordered by insertion order of keys.) So it wouldn't make sense prior to 1.9 to iterate over a Hash in the same way/sequence as Arrays, which have always had a definite ordering. I don't know what the default order is for PHP associative arrays (apparently my google fu isn't strong enough to figure that out, either), but I don't know how you can consider regular PHP arrays and PHP associative arrays to be "the same" in this context, since the order for associative arrays seems undefined.
As such, the Ruby way seems more clear and intuitive to me. :)
You could use the substring and concatenation for easy formatting too.
telephoneNumber = "("+telephoneNumber.substring(0, 3)+")-"+telephoneNumber.substring(3, 6)+"-"+telephoneNumber.substring(6, 10);
But one thing to note is that you must check for the lenght of the telephone number field just to make sure that your formatting is safe.
My WPF project referenced 3 custom dlls. I updated one of them, deleted the reference and added the reference to the new dll. It also showed the correct version number in the properties of the reference. It was rebuilding without an error.
But when the application was running, the failure "The located assembly's manifest .." occured, mentioning the old version.
After searching for a solution for hours and reading couple of threads like this, I remembered the other dlls. One of the other dlls was referencing the old version, and that's why the failure occured. After rebuilding the 2nd dll and recreating both references in my WPF project, the failure was gone.
Don't forget to check your other dlls!
I love jumping on old bandwagons!
Here's a 2015 update to this answer. I started using CSS3 transform
to do my dirty work for positioning. This allows you to not have to make any extra HTML, you don't have to do math (finding half-widths of things) you can use it on any element!
Here's an example (with fiddle at the end). Your HTML:
<div class="bigDiv">
<div class="smallDiv">
</div>
</div>
With accompanying CSS:
.bigDiv {
width:200px;
height:200px;
background-color:#efefef;
position:relative;
}
.smallDiv {
width:50px;
height:50px;
background-color:#cc0000;
position:absolute;
top:50%;
left:50%;
transform:translate(-50%, -50%);
}
What I do a lot these days is I will give a class to things I want centered and just re-use that class every time. For example:
<div class="bigDiv">
<div class="smallDiv centerThis">
</div>
</div>
css
.bigDiv {
width:200px;
height:200px;
background-color:#efefef;
position:relative;
}
.smallDiv {
width:50px;
height:50px;
background-color:#cc0000;
}
.centerThis {
position:absolute;
top:50%;
left:50%;
transform:translate(-50%, -50%);
}
This way, I will always be able to center something in it's container. You just have to make sure that the thing you want centered is in a container that has a position
defined.
BTW: This works for centering BIGGER divs inside SMALLER divs as well.
I believe that you can omit updating the "non-desired" columns by adjusting the other answers as follows:
update table set
columnx = (case when condition1 then 25 end),
columny = (case when condition2 then 25 end)`
As I understand it, this will update only when the condition is met.
After reading all the comments, this is the most efficient:
Update table set ColumnX = 25 where Condition1
Update table set ColumnY = 25 where Condition1`
Sample Table:
CREATE TABLE [dbo].[tblTest](
[ColX] [int] NULL,
[ColY] [int] NULL,
[ColConditional] [bit] NULL,
[id] [int] IDENTITY(1,1) NOT NULL
) ON [PRIMARY]
Sample Data:
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 0)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 0)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 1)
Insert into tblTest (ColX, ColY, ColConditional) values (null, null, 1)
Insert into tblTest (ColX, ColY, ColConditional) values (1, null, null)
Insert into tblTest (ColX, ColY, ColConditional) values (2, null, null)
Insert into tblTest (ColX, ColY, ColConditional) values (null, 1, null)
Insert into tblTest (ColX, ColY, ColConditional) values (null, 2, null)
Now I assume you can write a conditional that handles nulls. For my example, I am assuming you have written such a conditional that evaluates to True, False or Null. If you need help with this, let me know and I will do my best.
Now running these two lines of code does infact change X to 25 if and only if ColConditional is True(1) and Y to 25 if and only if ColConditional is False(0)
Update tblTest set ColX = 25 where ColConditional = 1
Update tblTest set ColY = 25 where ColConditional = 0
P.S. The null case was never mentioned in the original question or any updates to the question, but as you can see, this very simple answer handles them anyway.
Setting the style.zIndex
property has no effect on non-positioned elements, that is, the element must be either absolutely positioned, relatively positioned, or fixed.
So I would try:
$(this).parent().css('position', 'relative');
$(this).parent().css('z-index', 3000);
I committed the container into a docker image. Then I recreate another container using this docker image and the problem was gone.
I prefer to use:
string result = "myFile_" + DateTime.Now.ToFileTime() + ".txt";
What does ToFileTime() do?
Converts the value of the current DateTime object to a Windows file time.
public long ToFileTime()
A Windows file time is a 64-bit value that represents the number of 100-nanosecond intervals that have elapsed since 12:00 midnight, January 1, 1601 A.D. (C.E.) Coordinated Universal Time (UTC). Windows uses a file time to record when an application creates, accesses, or writes to a file.
if ([ $NUM1 == 1 ] || [ $NUM2 == 1 ]) && [ -z "$STR" ]
then
echo STR is empty but should have a value.
fi
As of Feb 2018, fetch()
can be cancelled with the code below on Chrome (read Using Readable Streams to enable Firefox support). No error is thrown for catch()
to pick up, and this is a temporary solution until AbortController
is fully adopted.
fetch('YOUR_CUSTOM_URL')
.then(response => {
if (!response.body) {
console.warn("ReadableStream is not yet supported in this browser. See https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream")
return response;
}
// get reference to ReadableStream so we can cancel/abort this fetch request.
const responseReader = response.body.getReader();
startAbortSimulation(responseReader);
// Return a new Response object that implements a custom reader.
return new Response(new ReadableStream(new ReadableStreamConfig(responseReader)));
})
.then(response => response.blob())
.then(data => console.log('Download ended. Bytes downloaded:', data.size))
.catch(error => console.error('Error during fetch()', error))
// Here's an example of how to abort request once fetch() starts
function startAbortSimulation(responseReader) {
// abort fetch() after 50ms
setTimeout(function() {
console.log('aborting fetch()...');
responseReader.cancel()
.then(function() {
console.log('fetch() aborted');
})
},50)
}
// ReadableStream constructor requires custom implementation of start() method
function ReadableStreamConfig(reader) {
return {
start(controller) {
read();
function read() {
reader.read().then(({done,value}) => {
if (done) {
controller.close();
return;
}
controller.enqueue(value);
read();
})
}
}
}
}
This is what I do inside .sh file, let's consider install.sh
#!/bin/sh
echo Installing
cd .../Your_Project_Directory/com/cdy/ws/
jar cfe X.jar Main *.class
cd .../Your_Project_Directory/
ln -s .../Your_Project_Directory/com/cdy/ws/X.jar X
echo Testing...
java -jar X
echo You are Good to Go...Use hapily
#etc.
Creating Executable Jar file at the Class directory and creating a SymLink at anywhere you want.
Run it using,
$ sh install.sh[ENTER]
$ java -jar X[ENTER]
After countless hours of frustration I managed to get all working:
odbcinst.ini:
[FreeTDS]
Description = FreeTDS Driver v0.91
Driver = /usr/lib/x86_64-linux-gnu/odbc/libtdsodbc.so
Setup = /usr/lib/x86_64-linux-gnu/odbc/libtdsS.so
fileusage=1
dontdlclose=1
UsageCount=1
odbc.ini:
[test]
Driver = FreeTDS
Description = My Test Server
Trace = No
#TraceFile = /tmp/sql.log
ServerName = mssql
#Port = 1433
instance = SQLEXPRESS
Database = usedbname
TDS_Version = 4.2
FreeTDS.conf:
[mssql]
host = hostnameOrIP
instance = SQLEXPRESS
#Port = 1433
tds version = 4.2
First test connection (mssql is a section name from freetds.conf):
tsql -S mssql -U username -P password
You must see some settings but no errors and only a 1> prompt. Use quit to exit.
Then let's test DSN/FreeTDS (test is a section name from odbc.ini; -v means verbose):
isql -v test username password -v
You must see message Connected!
In Python 3.2.2, I found \Python32\Lib\idlelib\idle.bat
which was useful because it would let me open python files supplied as args in IDLE.
I realize my opinion is probably not the popular one, but I guess I have a hard time jumping on the Linq-y band wagon. It's nifty. It's condensed. I get that and I'm not opposed to using it where it's appropriate. Maybe it's just me, but I feel like people have stopped thinking about creating utility functions to accomplish what they want and instead prefer to litter their code with (sometimes) excessively long lines of Linq code for the sake of creating a dense 1-liner.
I'm not saying that any of the Linq answers that people have provided here are bad, but I guess I feel like there is the potential that these single lines of code can start to grow longer and more obscure as you need to handle various situations. What if your array is null? What if you want a delimited string instead of just purely concatenated? What if some of the integers in your array are double-digit and you want to pad each value with leading zeros so that the string for each element is the same length as the rest?
Taking one of the provided answers as an example:
result = arr.Aggregate(string.Empty, (s, i) => s + i.ToString());
If I need to worry about the array being null, now it becomes this:
result = (arr == null) ? null : arr.Aggregate(string.Empty, (s, i) => s + i.ToString());
If I want a comma-delimited string, now it becomes this:
result = (arr == null) ? null : arr.Skip(1).Aggregate(arr[0].ToString(), (s, i) => s + "," + i.ToString());
This is still not too bad, but I think it's not obvious at a glance what this line of code is doing.
Of course, there's nothing stopping you from throwing this line of code into your own utility function so that you don't have that long mess mixed in with your application logic, especially if you're doing it in multiple places:
public static string ToStringLinqy<T>(this T[] array, string delimiter)
{
// edit: let's replace this with a "better" version using a StringBuilder
//return (array == null) ? null : (array.Length == 0) ? string.Empty : array.Skip(1).Aggregate(array[0].ToString(), (s, i) => s + "," + i.ToString());
return (array == null) ? null : (array.Length == 0) ? string.Empty : array.Skip(1).Aggregate(new StringBuilder(array[0].ToString()), (s, i) => s.Append(delimiter).Append(i), s => s.ToString());
}
But if you're going to put it into a utility function anyway, do you really need it to be condensed down into a 1-liner? In that case why not throw in a few extra lines for clarity and take advantage of a StringBuilder so that you're not doing repeated concatenation operations:
public static string ToStringNonLinqy<T>(this T[] array, string delimiter)
{
if (array != null)
{
// edit: replaced my previous implementation to use StringBuilder
if (array.Length > 0)
{
StringBuilder builder = new StringBuilder();
builder.Append(array[0]);
for (int i = 1; i < array.Length; i++)
{
builder.Append(delimiter);
builder.Append(array[i]);
}
return builder.ToString()
}
else
{
return string.Empty;
}
}
else
{
return null;
}
}
And if you're really so concerned about performance, you could even turn it into a hybrid function that decides whether to do string.Join or to use a StringBuilder depending on how many elements are in the array (this is a micro-optimization, not worth doing in my opinion and possibly more harmful than beneficial, but I'm using it as an example for this problem):
public static string ToString<T>(this T[] array, string delimiter)
{
if (array != null)
{
// determine if the length of the array is greater than the performance threshold for using a stringbuilder
// 10 is just an arbitrary threshold value I've chosen
if (array.Length < 10)
{
// assumption is that for arrays of less than 10 elements
// this code would be more efficient than a StringBuilder.
// Note: this is a crazy/pointless micro-optimization. Don't do this.
string[] values = new string[array.Length];
for (int i = 0; i < values.Length; i++)
values[i] = array[i].ToString();
return string.Join(delimiter, values);
}
else
{
// for arrays of length 10 or longer, use a StringBuilder
StringBuilder sb = new StringBuilder();
sb.Append(array[0]);
for (int i = 1; i < array.Length; i++)
{
sb.Append(delimiter);
sb.Append(array[i]);
}
return sb.ToString();
}
}
else
{
return null;
}
}
For this example, the performance impact is probably not worth caring about, but the point is that if you are in a situation where you actually do need to be concerned with the performance of your operations, whatever they are, then it will most likely be easier and more readable to handle that within a utility function than using a complex Linq expression.
That utility function still looks kind of clunky. Now let's ditch the hybrid stuff and do this:
// convert an enumeration of one type into an enumeration of another type
public static IEnumerable<TOut> Convert<TIn, TOut>(this IEnumerable<TIn> input, Func<TIn, TOut> conversion)
{
foreach (TIn value in input)
{
yield return conversion(value);
}
}
// concatenate the strings in an enumeration separated by the specified delimiter
public static string Delimit<T>(this IEnumerable<T> input, string delimiter)
{
IEnumerator<T> enumerator = input.GetEnumerator();
if (enumerator.MoveNext())
{
StringBuilder builder = new StringBuilder();
// start off with the first element
builder.Append(enumerator.Current);
// append the remaining elements separated by the delimiter
while (enumerator.MoveNext())
{
builder.Append(delimiter);
builder.Append(enumerator.Current);
}
return builder.ToString();
}
else
{
return string.Empty;
}
}
// concatenate all elements
public static string ToString<T>(this IEnumerable<T> input)
{
return ToString(input, string.Empty);
}
// concatenate all elements separated by a delimiter
public static string ToString<T>(this IEnumerable<T> input, string delimiter)
{
return input.Delimit(delimiter);
}
// concatenate all elements, each one left-padded to a minimum length
public static string ToString<T>(this IEnumerable<T> input, int minLength, char paddingChar)
{
return input.Convert(i => i.ToString().PadLeft(minLength, paddingChar)).Delimit(string.Empty);
}
Now we have separate and fairly compact utility functions, each of which are arguable useful on their own.
Ultimately, my point is not that you shouldn't use Linq, but rather just to say don't forget about the benefits of creating your own utility functions, even if they are small and perhaps only contain a single line that returns the result from a line of Linq code. If nothing else, you'll be able to keep your application code even more condensed than you could achieve with a line of Linq code, and if you are using it in multiple places, then using a utility function makes it easier to adjust your output in case you need to change it later.
For this problem, I'd rather just write something like this in my application code:
int[] arr = { 0, 1, 2, 3, 0, 1 };
// 012301
result = arr.ToString<int>();
// comma-separated values
// 0,1,2,3,0,1
result = arr.ToString(",");
// left-padded to 2 digits
// 000102030001
result = arr.ToString(2, '0');
select 'DROP TABLE ' + name from sysobjects
where type = 'U' and sysobjects.name like '%test%'
-- Test is the table name
To simplify the above:
text.substring(0, text.indexOf(' '));
Here is a ready function:
private String getFirstWord(String text) {
int index = text.indexOf(' ');
if (index > -1) { // Check if there is more than one word.
return text.substring(0, index).trim(); // Extract first word.
} else {
return text; // Text is the first word itself.
}
}
I'm expecting, as Rohit Vats mentioned in his Comment too, that you have a wrong structure in your DataTable
.
var t = new DataTable();
// create column header
foreach ( string s in identifiders ) {
t.Columns.Add(new DataColumn(s)); // <<=== i'm expecting you don't have defined any DataColumns, haven't you?
}
// Add data to DataTable
for ( int lineNumber = identifierLineNumber; lineNumber < lineCount; lineNumber++ ) {
DataRow newRow = t.NewRow();
for ( int column = 0; column < identifierCount; column++ ) {
newRow[column] = fileContent.ElementAt(lineNumber)[column];
}
t.Rows.Add(newRow);
}
return t.DefaultView;
I have used this DataTable in a ValueConverter
and it works like a charm with the following binding.
<DataGrid AutoGenerateColumns="True" ItemsSource="{Binding Path=FileContent, Converter={StaticResource dataGridConverter}}" />
So what it does, the ValueConverter
transforms my bounded data (what ever it is, in my case it's a List<string[]>
) into a DataTable
, as the code above shows, and passes this DataTable
to the DataGrid
. With specified data columns the data grid can generate the needed columns and visualize them.
To say it in a nutshell, in my case the binding to a DataTable
works like a charm.
Are you using the interactive interpreter? You can use
sys.argv[0]
You should read: How do I get the path of the current executed file in Python?
Well, I got it. One way is to override the QWidget::closeEvent
(QCloseEvent *event)
method in your class definition and add your code into that function. Example:
class foo : public QMainWindow
{
Q_OBJECT
private:
void closeEvent(QCloseEvent *bar);
// ...
};
void foo::closeEvent(QCloseEvent *bar)
{
// Do something
bar->accept();
}
if we know the table and colum names but want to find out the number of times string is appearing for each schema:
Declare
owner VARCHAR2(1000);
tbl VARCHAR2(1000);
cnt number;
ct number;
str_sql varchar2(1000);
reason varchar2(1000);
x varchar2(1000):='%string_to_be_searched%';
cursor csr is select owner,table_name
from all_tables where table_name ='table_name';
type rec1 is record (
ct VARCHAR2(1000));
type rec is record (
owner VARCHAR2(1000):='',
table_name VARCHAR2(1000):='');
rec2 rec;
rec3 rec1;
begin
for rec2 in csr loop
--str_sql:= 'select count(*) from '||rec.owner||'.'||rec.table_name||' where CTV_REMARKS like '||chr(39)||x||chr(39);
--dbms_output.put_line(str_sql);
--execute immediate str_sql
execute immediate 'select count(*) from '||rec2.owner||'.'||rec2.table_name||' where column_name like '||chr(39)||x||chr(39)
into rec3;
if rec3.ct <> 0 then
dbms_output.put_line(rec2.owner||','||rec3.ct);
else null;
end if;
end loop;
end;
The TimeSpan constructor allows you to pass in seconds. Simply declare a variable of type TimeSpan amount of seconds. Ex:
TimeSpan span = new TimeSpan(0, 0, 500);
span.ToString();
There are multiple ways to write same logic. As it mentioned earlier, you can use object notation or simply expression. However, I think you should not that much logic in HTML. Hard to test and find issue. You can use a getter function to assign the class.
For Instance;
public getCustomCss() {
//Logic here;
if(this.x == this.y){
return 'class1'
}
if(this.x == this.z){
return 'class2'
}
}
<!-- HTML -->
<div [ngClass]="getCustomCss()"> Some prop</div>
//OR
get customCss() {
//Logic here;
if(this.x == this.y){
return 'class1'
}
if(this.x == this.z){
return 'class2'
}
}
<!-- HTML -->
<div [ngClass]="customCss"> Some prop</div>
You could do this:
SELECT t.name AS table_name,
SCHEMA_NAME(schema_id) AS schema_name,
c.name AS column_name
FROM sys.tables AS t
INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID
WHERE c.name LIKE '%MyColumn%'
ORDER BY schema_name, table_name;
Reference:
As of git 1.7.7, git stash
accepts the --include-untracked
option (or short-hand -u
). To include untracked files in your stash, use either of the following commands:
git stash --include-untracked
# or
git stash -u
Warning, doing this will permanently delete your files if you have any directory/ entries in your gitignore file.*
Seems to me you could've saved some memory by declaring your activity with "implements Handler.Callback"
0xNNNN
(not necessarily four digits) represents, in C at least, a hexadecimal (base-16 because 'hex' is 6 and 'dec' is 10 in Latin-derived languages) number, where N
is one of the digits 0
through 9
or A
through F
(or their lower case equivalents, either representing 10 through 15), and there may be 1 or more of those digits in the number. The other way of representing it is NNNN16.
It's very useful in the computer world as a single hex digit represents four bits (binary digits). That's because four bits, each with two possible values, gives you a total of 2 x 2 x 2 x 2
or 16
(24) values. In other words:
_____________________________________bits____________________________________
/ \
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| bF | bE | bD | bC | bB | bA | b9 | b8 | b7 | b6 | b5 | b4 | b3 | b2 | b1 | b0 |
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
\_________________/ \_________________/ \_________________/ \_________________/
Hex digit Hex digit Hex digit Hex digit
A base-X number is a number where each position represents a multiple of a power of X.
In base 10, which we humans are used to, the digits used are 0
through 9
, and the number 730410 is:
In octal, where the digits are 0
through 7
. the number 7548 is:
Octal numbers in C are preceded by the character 0
so 0123
is not 123 but is instead (1 * 64) + (2 * 8) + 3, or 83.
In binary, where the digits are 0
and 1
. the number 10112 is:
In hexadecimal, where the digits are 0
through 9
and A
through F
(which represent the "digits" 10
through 15
). the number 7F2416 is:
Your relatively simple number 0x10
, which is the way C represents 1016, is simply:
As an aside, the different bases of numbers are used for many things.
You can use this:
list=$(find /home/user/Desktop -name '*.pdf' -o -name '*.txt' -o -name '*.bmp')
Besides, you might want to use -iname
instead of -name
to catch files with ".PDF" (upper-case) extension as well.
Another option is to install anaconda, which comes with packages such as: Matplotlib, numpy and pandas.
Using d.Keys()(i)
method is a very bad idea, because on each call it will re-create a new array (you will have significant speed reduction).
Here is an analogue of Scripting.Dictionary
called "Hash Table" class from @TheTrick, that support such enumerator: http://www.cyberforum.ru/blogs/354370/blog2905.html
Dim oDict As clsTrickHashTable
Sub aaa()
Set oDict = New clsTrickHashTable
oDict.Add "a", "aaa"
oDict.Add "b", "bbb"
For i = 0 To oDict.Count - 1
Debug.Print oDict.Keys(i) & " - " & oDict.Items(i)
Next
End Sub
if ( !driver.findElement(By.id("idOfTheElement")).isSelected() )
{
driver.findElement(By.id("idOfTheElement")).click();
}
Also use NVL2
as below if you want to return other value from the field_to_check
:
NVL2( field_to_check, value_if_NOT_null, value_if_null )
Usage: ORACLE/PLSQL: NVL2 FUNCTION
I was searching for the same but for Linux shell.
The topic brought me to an answer, -thanks-
Maybe more pythonic manner :
import os
beep = lambda x: os.system("echo -n '\a';sleep 0.2;" * x)
beep(3)
Notes :
os.system
rather then subprocess.Popen
for simplicity (it could be bad)echo
is to have no more displaysleep
is necessary for the resulting text sequence (*x)I've been searching the internet for RNG for a while now. Everything I saw was either TOO complex or was just not what I was looking for. After reading a few articles I was able to come up with this simple code.
{
Random rnd = new Random(DateTime.Now.Millisecond);
int[] b = new int[10] { 5, 8, 1, 7, 3, 2, 9, 0, 4, 6 };
textBox1.Text = Convert.ToString(b[rnd.Next(10)])
}
Simple explanation,
This works well.
To obtain a random number less than 100 use
{
Random rnd = new Random(DateTime.Now.Millisecond);
int[] b = new int[10] { 5, 8, 1, 7, 3, 2, 9, 0, 4, 6 };
int[] d = new int[10] { 9, 4, 7, 2, 8, 0, 5, 1, 3, 4 };
textBox1.Text = Convert.ToString(b[rnd.Next(10)]) + Convert.ToString(d[rnd.Next(10)]);
}
and so on for 3, 4, 5, and 6 ... digit random numbers.
Hope this assists someone positively.