If you want to fully copy properties of an object in a different instance, you may want to use this technique:
Serialize it to JSON and then de-serialize it back to Object.
What is Shallow Copy?
Shallow copy is a bit-wise copy of an object. A new object is created that has an exact copy of the values in the original object. If any of the fields of the object are references to other objects, only the reference addresses are copied i.e., only the memory address is copied.
In this figure, the MainObject1
has fields field1
of type int, and ContainObject1
of type ContainObject
. When you do a shallow copy of MainObject1
, MainObject2
is created with field2
containing the copied value of field1
and still pointing to ContainObject1
itself. Note that since field1
is of primitive type, its value is copied to field2
but since ContainedObject1
is an object, MainObject2
still points to ContainObject1
. So any changes made to ContainObject1
in MainObject1
will be reflected in MainObject2
.
Now if this is shallow copy, lets see what's deep copy?
What is Deep Copy?
A deep copy copies all fields, and makes copies of dynamically allocated memory pointed to by the fields. A deep copy occurs when an object is copied along with the objects to which it refers.
In this figure, the MainObject1 have fields field1
of type int, and ContainObject1
of type ContainObject
. When you do a deep copy of MainObject1
, MainObject2
is created with field2
containing the copied value of field1
and ContainObject2
containing the copied value of ContainObject1
. Note any changes made to ContainObject1
in MainObject1
will not reflect in MainObject2
.
Javascript passes variables by reference
, this means that:
var i = [];
var j = i;
i.push( 1 );
Now because of by reference
part i
is [1], and j
is [1] as well, even though only i
was changed. This is because when we say j = i
javascript doesn't copy the i
variable and assign it to j
but references i
variable through j
.
Angular copy lets us lose this reference, which means:
var i = [];
var j = angular.copy( i );
i.push( 1 );
Now i
here equals to [1], while j
still equals to [].
There are situations when such kind of copy
functionality is very handy.
Do it this way (make necessary changes in code)..
SqlConnection con = new SqlConnection(GetConnectionString());
con.Open();
SqlCommand cmd = new SqlCommand("CheckUser", con);
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter p1 = new SqlParameter("username", username.Text);
SqlParameter p2 = new SqlParameter("password", password.Text);
cmd.Parameters.Add(p1);
cmd.Parameters.Add(p2);
SqlDataReader rd = cmd.ExecuteReader();
if(rd.HasRows)
{
//do the things
}
else
{
lblinfo.Text = "abc";
}
What I usually do is have a separate filter by PID which would be the equivalent of the current session. But of course it changes every time you run the application. Not good, but it's the only way the have all the info about the app regardless of the log tag.
Since ES6 there is the native find
method for arrays; this stops enumerating the array once it finds the first match and returns the value.
const result = someArray.find(isNotNullNorUndefined);
Old answer:
I have to post an answer to stop these filter
suggestions :-)
since there are so many functional-style array methods in ECMAScript, perhaps there's something out there already like this?
You can use the some
Array method to iterate the array until a condition is met (and then stop). Unfortunately it will only return whether the condition was met once, not by which element (or at what index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
return result;
}
var result = find(someArray, isNotNullNorUndefined);
Notepad++ provides 2 types of features:
Based on what you write, it seems what you want is auto-completion on function only + suggestion on arguments.
To do that, you just need to change a setting.
Settings
> Preferences...
> Auto-completion
Enable Auto-completion on each input
Function completion
and not Word completion
Function parameter hint on input
(if you have this option)On version 6.5.5 of Notepad++, I have this setting
Some documentation about auto-completion is available in Notepad++ Wiki.
The accepted answer doesn't create a name-only attribute anymore (as of September 2017).
You should use JQuery prop() method to create name-only attributes.
$(body).prop('data-body', true)
ARM
is a RISC (Reduced Instruction Set Computing) architecture while x86
is a CISC (Complex Instruction Set Computing) one.
The core difference between those in this aspect is that ARM instructions operate only on registers with a few instructions for loading and saving data from / to memory while x86 can operate directly on memory as well. Up until v8 ARM was a native 32 bit architecture, favoring four byte operations over others.
So ARM is a simpler architecture, leading to small silicon area and lots of power save features while x86 becoming a power beast in terms of both power consumption and production.
About question on "Is the x86 Architecture specially designed to work with a keyboard while ARM expects to be mobile?". x86
isn't specially designed to work with a keyboard neither ARM
for mobile. However again because of the core architectural choices actually x86 also has instructions to work directly with IO
while ARM has not. However with specialized IO buses like USBs, need for such features are also disappearing.
If you need a document to quote, this is what Cortex-A Series Programmers Guide (4.0) tells about differences between RISC and CISC architectures:
An ARM processor is a Reduced Instruction Set Computer (RISC) processor.
Complex Instruction Set Computer (CISC) processors, like the x86, have a rich instruction set capable of doing complex things with a single instruction. Such processors often have significant amounts of internal logic that decode machine instructions to sequences of internal operations (microcode).
RISC architectures, in contrast, have a smaller number of more general purpose instructions, that might be executed with significantly fewer transistors, making the silicon cheaper and more power efficient. Like other RISC architectures, ARM cores have a large number of general-purpose registers and many instructions execute in a single cycle. It has simple addressing modes, where all load/store addresses can be determined from register contents and instruction fields.
ARM company also provides a paper titled Architectures, Processors, and Devices Development Article describing how those terms apply to their bussiness.
An example comparing instruction set architecture:
For example if you would need some sort of bytewise memory comparison block in your application (generated by compiler, skipping details), this is how it might look like on x86
repe cmpsb /* repeat while equal compare string bytewise */
while on ARM
shortest form might look like (without error checking etc.)
top:
ldrb r2, [r0, #1]! /* load a byte from address in r0 into r2, increment r0 after */
ldrb r3, [r1, #1]! /* load a byte from address in r1 into r3, increment r1 after */
subs r2, r3, r2 /* subtract r2 from r3 and put result into r2 */
beq top /* branch(/jump) if result is zero */
which should give you a hint on how RISC and CISC instruction sets differ in complexity.
A two line intuitive solution to round to a given time unit, here seconds, for a datetime
object t
:
format_str = '%Y-%m-%d %H:%M:%S'
t_rounded = datetime.strptime(datetime.strftime(t, format_str), format_str)
If you wish to round to a different unit simply alter format_str
.
This approach does not round to arbitrary time amounts as above methods, but is a nicely Pythonic way to round to a given hour, minute or second.
I had same symptoms.
Please ensure you have the proper Visual Studio extension installed via Tools - Extensions and Updates. In my case, I had to install XUnit and Specflow from the Online option.
Then clean the solution and rebuild it.
If that still doesn't help, clear your temp directory (search for %temp% in the Start menu search and delete all contents in Temp)
And then finally try uninstalling Resharper which finally fixed my problem.
use:
NSLog(@"%f",[[UIScreen mainScreen] bounds].size.width) ;
I'm afraid that's not possible. the rgba
format you know is the only one.
You can continue to use getApplicationContext()
, but before use, you should add this flag: dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT)
, and the error will not show.
And don't forget to add permission:
<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
TTFB is something that happens behind the scenes. Your browser knows nothing about what happens behind the scenes.
You need to look into what queries are being run and how the website connects to the server.
This article might help understand TTFB, but otherwise you need to dig deeper into your application.
First you check your table id (aka object_id)
SELECT * FROM sys.objects WHERE type = 'U' ORDER BY name
then you can get the column's names. For example assuming you obtained from previous query the number 4 as object_id
SELECT c.name
FROM sys.index_columns ic
INNER JOIN sys.columns c ON c.column_id = ic.column_id
WHERE ic.object_id = 4
AND c.object_id = 4
Take a look at expect
linux utility.
It allows you to send output to stdio based on simple pattern matching on stdin.
I used the following code to check if the string contained any of the items in the string array:
foreach (string s in stringArray)
{
if (s != "")
{
if (stringToCheck.Contains(s))
{
Text = "matched";
}
}
}
If the solution above doesn't work for anyone. Give this a try as well
a {
box-shadow: none;
}
I prefer Python 3.x way.
cal = 123.4567
print(f"result {cal:.4E}")
4
indicates how many digits are shown shown in the floating part.
cal = 123.4567
totalDigitInFloatingPArt = 4
print(f"result {cal:.{totalDigitInFloatingPArt}E} ")
Very strange because the firewall caused the issue.
<td><input type="radio" name="gender" value="Male" id="male" <? if($gender=='Male')
{?> checked="" <? }?>/>Male
<input type="radio" name="gender" value="Female" id="female" <? if($gender=='Female') {?> checked="" <?}?>/>Female<br/> </td>
put the following in the site's .htaccess file (in the /var/www/XXX):
Header set Access-Control-Allow-Origin "*"
instead of the .conf file.
You'll also want to use
AllowOverride All
in your .conf file for the domain so Apache looks at it.
Use a for
loop instead of .forEach()
var myObj = [{"a": "1","b": null},{"a": "2","b": 5}]
var result = false
for(var call of myObj) {
console.log(call)
var a = call['a'], b = call['b']
if(a == null || b == null) {
result = false
break
}
}
This stuff comes from ES file explorer
Just go into this app > settings
Then there is an option that says logging floating window, you just need to disable that and you will get rid of this infernal bubble for good
Unless you want to go the VBA route to work out the Tab name, the Excel formula is fairly ugly based upon Mid functions, etc. But both these methods can be found here if you want to go that way.
Rather, the way I would do it is:
1) Make one cell on your sheet named, for example, Reference_Sheet
and put in that cell the value "Jan Item" for example.
2) Now, use the Indirect
function like:
=INDIRECT(Reference_Sheet&"!J3")
3) Now, for each month's sheet, you just have to change that one Reference_Sheet
cell.
Hope this gives you what you're looking for!
It's actually easier than everyone's making it sound... especially if you use the $.ajax({})
base syntax vs. one of the helper functions.
Just pass in the key: value
pair like you would on any object, when you setup your ajax request... (because $(this)
hasn't changed context yet, it's still the trigger for the bind call above)
<script type="text/javascript">
$(".qty input").bind("keypress change", function() {
$.ajax({
url: "/order_items/change/"+$(this).attr("data-order-item-id")+"/qty:"+$(this).val()+"/returnas.json",
type: "POST",
dataType: "json",
qty_input: $(this),
anything_else_i_want_to_pass_in: "foo",
success: function(json_data, textStatus, jqXHR) {
/* here is the input, which triggered this AJAX request */
console.log(this.qty_input);
/* here is any other parameter you set when initializing the ajax method */
console.log(this.anything_else_i_want_to_pass_in);
}
});
});
</script>
One of the reasons this is better than setting the var, is that the var is global and as such, overwritable... if you have 2 things which can trigger ajax calls, you could in theory trigger them faster than ajax call responds, and you'd have the value for the second call passed into the first. Using this method, above, that wouldn't happen (and it's pretty simple to use too).
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www\.(.*)
RewriteRule ^.*$ https://%1/$1 [R=301,L]
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R,L]
This worked for me after much trial and error. Part one is from the user above and will capture www.xxx.yyy and send to https://xxx.yyy
Part 2 looks at entered URL and checks if HTTPS, if not, it sends to HTTPS
Done in this order, it follows logic and no error occurs.
HERE is my FULL version in side htaccess with WordPress:
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www\.(.*)
RewriteRule ^.*$ https://%1/$1 [R=301,L]
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R,L]
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress
Since you input field is a controlled element, you cannot directly change the input field value without modifying the state.
Also in
onHandleSubmit(e) {
e.preventDefault();
const city = this.state.city;
this.props.onSearchTermChange(city);
this.mainInput.value = "";
}
this.mainInput
doesn't refer the input since mainInput is an id
, you need to specify a ref to the input
<input
ref={(ref) => this.mainInput= ref}
onChange={this.onHandleChange}
placeholder="Get current weather..."
value={this.state.city}
type="text"
/>
In you current state the best way is to clear the state to clear the input value
onHandleSubmit(e) {
e.preventDefault();
const city = this.state.city;
this.props.onSearchTermChange(city);
this.setState({city: ""});
}
However if you still for some reason want to keep the value in state even if the form is submitted, you would rather make the input uncontrolled
<input
id="mainInput"
onChange={this.onHandleChange}
placeholder="Get current weather..."
type="text"
/>
and update the value in state onChange
and onSubmit
clear the input using ref
onHandleChange(e) {
this.setState({
city: e.target.value
});
}
onHandleSubmit(e) {
e.preventDefault();
const city = this.state.city;
this.props.onSearchTermChange(city);
this.mainInput.value = "";
}
Having Said that, I don't see any point in keeping the state unchanged, so the first option should be the way to go.
Use datetime.replace
:
from datetime import datetime
dt = datetime.strptime('26 Sep 2012', '%d %b %Y')
newdatetime = dt.replace(hour=11, minute=59)
You can export the private key with the command-line tool from GPG. It works on the Windows-shell. Use the following command:
gpg --export-secret-keys
A normal export with --export
will not include any private keys, therefore you have to use --export-secret-keys
.
Edit:
To sum up the information given in my comments, this is the command that allows you to export a specific key with the ID 1234ABCD to the file secret.asc:
gpg --export-secret-keys --armor 1234ABCD > secret.asc
You can find the ID that you need using the following command. The ID is the second part of the second column:
gpg --list-keys
To Export just 1 specific secret key instead of all of them:
gpg --export-secret-keys keyIDNumber > exportedKeyFilename.asc
keyIDNumber is the number of the key id for the desired key you are trying to export.
You can use is_uploaded_file()
:
if(!file_exists($_FILES['myfile']['tmp_name']) || !is_uploaded_file($_FILES['myfile']['tmp_name'])) {
echo 'No upload';
}
From the docs:
Returns TRUE if the file named by filename was uploaded via HTTP POST. This is useful to help ensure that a malicious user hasn't tried to trick the script into working on files upon which it should not be working--for instance, /etc/passwd.
This sort of check is especially important if there is any chance that anything done with uploaded files could reveal their contents to the user, or even to other users on the same system.
EDIT: I'm using this in my FileUpload class, in case it helps:
public function fileUploaded()
{
if(empty($_FILES)) {
return false;
}
$this->file = $_FILES[$this->formField];
if(!file_exists($this->file['tmp_name']) || !is_uploaded_file($this->file['tmp_name'])){
$this->errors['FileNotExists'] = true;
return false;
}
return true;
}
Note that if strings has spaces then quotation marks are needed at definition and must be chopped while concatenating:
rem The retail files set
set FILES_SET="(*.exe *.dll"
rem The debug extras files set
set DEBUG_EXTRA=" *.pdb"
rem Build the DEBUG set without any
set FILES_SET=%FILES_SET:~1,-1%%DEBUG_EXTRA:~1,-1%
rem Append the closing bracket
set FILES_SET=%FILES_SET%)
echo %FILES_SET%
Cheers...
Reason of the error: Package name left blank while creating a class. This make use of default package. Thus causes this error.
Quick fix:
helloWorld
inside the src
folder.helloWorld.java
file in that package. Just drag and drop on
the package. Error should disappear.Explanation:
Latest version of Eclipse required java11 or above. The module
feature is introduced in java9 and onward. It was proposed in 2005 for Java7 but later suspended. Java is object oriented based. And module is the moduler approach which can be seen in language like C. It was harder to implement it, due to which it took long time for the release. Source: Understanding Java 9 Modules
When you create a new project in Eclipse then by default module feature is selected. And in Eclipse-2020-09-R, a pop-up appears which ask for creation of module-info.java
file. If you select don't create
then module-info.java
will not create and your project will free from this issue.
Best practice is while crating project, after giving project name. Click on next
button instead of finish
. On next page at the bottom it ask for creation of module-info.java
file. Select or deselect as per need.
If selected: (by default) click on finish
button and give name for module. Now while creating a class don't forget to give package name. Whenever you create a class just give package name. Any name, just don't left it blank.
If deselect: No issue
I'm an Android (and GUI) beginner, but have lots of experience with software. I've gone through a few of the tutorials, and this is my understanding:
layout_width and layout_height are attributes of the TextView. They are instructions for how the TextView should shape itself, they aren't referring to how to handle the content within the TextView.
If you use "fill_parent", you are saying that the TextView should shape itself relative to it's parent view, it should fill it.
If you use "wrap_content", you are saying that you should ignore the parent view, and let the contents of the TextView define it's shape.
I think this is the confusing point. "wrap_content" isn't telling the TextView how to manage it's contents (to wrap the lines), it's telling it that it should shape itself relative to it's contents. In this case, with no new line characters, it shapes itself so that all the text is on a single line (which unfortunately is overflowing the parent).
I think you want it to fill the parent horizontally, and to wrap it's contents vertically.
This works for me. in place of customTheme you can put you theme in styles. in this code you can also change the font and text size.
<style name="MyTheme.NavMenu" parent="CustomTheme">
<item name="android:textSize">16sp</item>
<item name="android:fontFamily">@font/ssp_semi_bold</item>
<item name="android:textColorPrimary">@color/yourcolor</item>
</style>
here is my navigation view
<android.support.design.widget.NavigationView
android:id="@+id/navigation_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
android:fitsSystemWindows="true"
app:theme="@style/MyTheme.NavMenu"
app:headerLayout="@layout/nav_header_main"
app:menu="@menu/activity_main_drawer">
<include layout="@layout/layout_update_available"/>
</android.support.design.widget.NavigationView>
header("Content-Type: application/octet-stream");
header("Content-Transfer-Encoding: Binary");
header("Content-disposition: attachment; filename=\"file.exe\"");
echo readfile($url);
is correct
or better one for exe type of files
header("Location: $url");
You can submit your jsp page to servlet. For this use <form>
tag.
And to redirect use:
response.sendRedirect("servleturl")
So if want to set the value of an environment variable to something different for every build then we can pass these values during build time and we don't need to change our docker file every time.
While ENV
, once set cannot be overwritten through command line values. So, if we want to have our environment variable to have different values for different builds then we could use ARG
and set default values in our docker file. And when we want to overwrite these values then we can do so using --build-args
at every build without changing our docker file.
For more details, you can refer this.
There have been many valid answers, however, none of them has the same syntax as tail in linux. The following function can be stored in your $Home\Documents\PowerShell\Microsoft.PowerShell_profile.ps1
for persistency (see powershell profiles documentation for more details).
This allows you to call...
tail server.log
tail -n 5 server.log
tail -f server.log
tail -Follow -Lines 5 -Path server.log
which comes quite close to the linux syntax.
function tail {
<#
.SYNOPSIS
Get the last n lines of a text file.
.PARAMETER Follow
output appended data as the file grows
.PARAMETER Lines
output the last N lines (default: 10)
.PARAMETER Path
path to the text file
.INPUTS
System.Int
IO.FileInfo
.OUTPUTS
System.String
.EXAMPLE
PS> tail c:\server.log
.EXAMPLE
PS> tail -f -n 20 c:\server.log
#>
[CmdletBinding()]
[OutputType('System.String')]
Param(
[Alias("f")]
[parameter(Mandatory=$false)]
[switch]$Follow,
[Alias("n")]
[parameter(Mandatory=$false)]
[Int]$Lines = 10,
[parameter(Mandatory=$true, Position=5)]
[ValidateNotNullOrEmpty()]
[IO.FileInfo]$Path
)
if ($Follow)
{
Get-Content -Path $Path -Tail $Lines -Wait
}
else
{
Get-Content -Path $Path -Tail $Lines
}
}
I found an additional way in which this problem occurs:
My LG phone's original OS was Froyo (Android 2.2) and was updated to ICS (Android 4.0.4).
But the Google Play Developers' Console shows that it detects my phone as a Froyo device.
(Google Play did not allow the app to be downloaded because of the false 'incompatibility', but it somehow still detects the installation.)
The phone's settings, in 'software', shows ICS V4.0.4. It seems that the Google Play server info for the phone is not updated to reflect the ICS update on the device. The app manifest minSDK is set to Honeycomb (3.0), so of course Google Play filters out the app.
Of addition interest:Sounds like you're just trying to do a classic two-column lookup. http://www.dailydoseofexcel.com/archives/2009/04/21/vlookup-on-two-columns/
Tons of solutions for this, most simple is probably the following (which doesn't require an array formula):
=SUMPRODUCT((Lookup!A:A=Param!A1)*(Lookup!B:B=Param!B1)*(Lookup!C:C))
To translate your specific example, you would use:
=SUMPRODUCT((A1:A3=A2)*(B1:B3="B")*(C1:C3))
this worked for me.
$(document).ready(function () {
$("#datePicker").datetimepicker({
format: 'DD/MM/YYYY HH:mm:ss',
defaultDate: new Date(),
});
}
here are the CDN links
<!-- datetime picker -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/3.1.4/css/bootstrap-datetimepicker.min.css"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/3.1.4/js/bootstrap-datetimepicker.min.js"></script>
just like user hcpl said but if you want to not worry about the version of the library you can do this:
dependencies {
compile(name:'mylibrary', ext:'aar')
}
as its kind of annoying to have to update the version everytime. Also it makes the not worrying about the name space easier this way.
For me, the latest pip (1.5.6) works fine with the insecure nltk package if you just tell it not to be so picky about security:
pip install --upgrade --force-reinstall --allow-all-external --allow-unverified ntlk nltk
For Cross-Browser Compatibility :
Example Goes Below :
<html><body class="entire-webpage"></body></html>
.entire-webpage{
zoom: 2;
-moz-transform: scale(2);/* Firefox Property */
-moz-transform-origin: 0 0;
-o-transform: scale(2);/* Opera Property */
-o-transform-origin: 0 0;
-webkit-transform: scale(2);/* Safari Property */
-webkit-transform-origin: 0 0;
transform: scale(2); /* Standard Property */
transform-origin: 0 0; /* Standard Property */
}
this also works in a pinch
from flask import Flask, jsonify
from OpenSSL import SSL
context = SSL.Context(SSL.PROTOCOL_TLSv1_2)
context.use_privatekey_file('server.key')
context.use_certificate_file('server.crt')
app = Flask(__name__)
@app.route('/')
def index():
return 'Flask is running!'
@app.route('/data')
def names():
data = {"names": ["John", "Jacob", "Julie", "Jennifer"]}
return jsonify(data)
#if __name__ == '__main__':
# app.run()
if __name__ == '__main__':
app.run(host='127.0.0.1', debug=True, ssl_context=context)
Date.now()-Math.floor(Date.now()/1000/60/60/24)*24*60*60*1000
This should give you the milliseconds from the beginning of the day.
(Date.now()-Math.floor(Date.now()/1000/60/60/24)*24*60*60*1000)/1000
This should give you seconds.
(Date.now()-(Date.now()/1000/60/60/24|0)*24*60*60*1000)/1000
Same as previous except uses a bitwise operator to floor the amount of days.
If you have the script editor open you will see the logs under View->Logs. If your script has an onedit trigger, make a change to the spreadsheet which should trigger the function with the script editor opened in a second tab. Then go to the script editor tab and open the log. You will see whatever your function passes to the logger.
Basically as long as the script editor is open, the event will write to the log and show it for you. It will not show if someone else is in the file elsewhere.
the solution to this problem differs because each time you deploy the application will give you the same sentence or the problem is different, so you should see the tomcat server log for the exact problem.
Add .+?
in <[^>]*>
and try this regex (base on this):
<[^>].+?>
For webpack2 use:
{
test: /\.(png|jpe?g|gif|svg|woff|woff2|ttf|eot|ico)(\?(v=)?(\d+)(\.\d+)*)?$/,
loader: "file-loader"
}
instead of file-loader?name=/assets/fonts/[name].[ext]
So, pretty much here is your problem. The close button on the upper right of a window frame is not part of the WPF window, but it belongs to the part of the window frame that is controled by your OS. This means you will have to use Win32 interop to do it.
alternativly, you can use the noframe and either provide your own "frame" or have no frame at all.
In case that anyone still has this need (I have), I have written a library myself to deal with this problem. See here. It isn't completely automatic in that you have to describe all the fields in your classes, but it is as close as what we can get as C++ lacks reflection.
Your sys.path is kind of unusual, as each entry is prefixed with /usr/intel. I guess numpy is installed in the usual non-prefixed place, e.g. it. /usr/share/pyshared/numpy on my Ubuntu system.
Try find / -iname '*numpy*'
Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a roll of a six-sided die, you'd use:
1 + rand(6)
. A roll in craps could be simulated with2 + rand(6) + rand(6)
.Finally, if you just need a random float, just call
rand
with no arguments.
As Marc-André Lafortune mentions in his answer below (go upvote it), Ruby 1.9.2 has its own Random
class (that Marc-André himself helped to debug, hence the 1.9.2 target for that feature).
For instance, in this game where you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30)
(using Random.new
) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (again).
But if you don't use Random.new
, then the class method rand
only takes a max
value, not a Range
, as banister (energetically) points out in the comment (and as documented in the docs for Random
). Only the instance method can take a Range
, as illustrated by generate a random number with 7 digits.
This is why the equivalent of Random.new.rand(20..30)
would be 20 + Random.rand(11)
, since Random.rand(int)
returns “a random integer greater than or equal to zero and less than the argument.” 20..30
includes 30, I need to come up with a random number between 0 and 11, excluding 11.
String Formatting:
a = 6.789809823
print('%.2f' %a)
OR
print ("{0:.2f}".format(a))
Round Function can be used:
print(round(a, 2))
Good thing about round() is that, we can store this result to another variable, and then use it for other purposes.
b = round(a, 2)
print(b)
Perhaps the easiest way to see which extensions are (compiled and) loaded (not in cli) is to have a server run the following:
<?php
$ext = get_loaded_extensions();
asort($ext);
foreach ($ext as $ref) {
echo $ref . "\n";
}
PHP cli does not necessarily have the same extensions loaded.
In my case It worked by going to project Properties and under Target Framework i selected .NET Framework 4. This is because i have moved to a new machine that had other higher .NET frameworks already installed and the project selected them by default. See what target framework works for you.
In order to encode +
value using JavaScript, you can use encodeURIComponent
function.
Example:
var url = "+11";
var encoded_url = encodeURIComponent(url);
console.log(encoded_url)
_x000D_
I have had a complex multi-level sliding panel interface, with disabled screen layer. Creating directive on disable screen layer that would create click event to execute the state like
$state.go('account.stream.social.view');
were producing a flicking effect. history.back() instead of it worked ok, however its not always back in history in my case. SO what I find out is that if I simply create attribute href on my disable screen instead of state.go , worked like a charm.
<a class="disable-screen" back></a>
Directive 'back'
app.directive('back', [ '$rootScope', function($rootScope) {
return {
restrict : 'A',
link : function(scope, element, attrs) {
element.attr('href', $rootScope.previousState.replace(/\./gi, '/'));
}
};
} ]);
app.js I just save previous state
app.run(function($rootScope, $state) {
$rootScope.$on("$stateChangeStart", function(event, toState, toParams, fromState, fromParams) {
$rootScope.previousState = fromState.name;
$rootScope.currentState = toState.name;
});
});
A workaround - at least for the minimum size: You can use grid to manage the frames contained in root and make them follow the grid size by setting sticky='nsew'. Then you can use root.grid_rowconfigure and root.grid_columnconfigure to set values for minsize like so:
from tkinter import Frame, Tk
class MyApp():
def __init__(self):
self.root = Tk()
self.my_frame_red = Frame(self.root, bg='red')
self.my_frame_red.grid(row=0, column=0, sticky='nsew')
self.my_frame_blue = Frame(self.root, bg='blue')
self.my_frame_blue.grid(row=0, column=1, sticky='nsew')
self.root.grid_rowconfigure(0, minsize=200, weight=1)
self.root.grid_columnconfigure(0, minsize=200, weight=1)
self.root.grid_columnconfigure(1, weight=1)
self.root.mainloop()
if __name__ == '__main__':
app = MyApp()
But as Brian wrote (in 2010 :D) you can still resize the window to be smaller than the frame if you don't limit its minsize.
Do you want to insert one dictionary into the other, as one of its elements, or do you want to reference the values of one dictionary from the keys of another?
Previous answers have already covered the first case, where you are creating a dictionary within another dictionary.
To re-reference the values of one dictionary into another, you can use dict.update
:
>>> d1 = {1: [1]}
>>> d2 = {2: [2]}
>>> d1.update(d2)
>>> d1
{1: [1], 2: [2]}
A change to a value that's present in both dictionaries will be visible in both:
>>> d1[2].append('appended')
>>> d1
{1: [1], 2: [2, 'appended']}
>>> d2
{2: [2, 'appended']}
This is the same as copying the value over or making a new dictionary with it, i.e.
>>> d3 = {1: d1[1]}
>>> d3[1].append('appended from d3')
>>> d1[1]
[1, 'appended from d3']
You can check if the element has child nodes element.hasChildNodes()
. Beware in Mozilla this will return true if the is whitespace after the tag so you will need to verify the tag type.
Ultimately, what you're trying to do with the EXTRA blank lines between each one is a little confusing :)
I think what you really want to do is use Get-ItemProperty. You'll get errors when values are missing, but you can suppress them with -ErrorAction 0
or just leave them as reminders. Because the Registry provider returns extra properties, you'll want to stick in a Select-Object that uses the same properties as the Get-Properties.
Then if you want each property on a line with a blank line between, use Format-List (otherwise, use Format-Table to get one per line).
gci -path hklm:\software\microsoft\windows\currentversion\uninstall |
gp -Name DisplayName, InstallDate |
select DisplayName, InstallDate |
fl | out-file addrem.txt
There are different ways to achieve underlined text in an Android TextView.
1.<u>This is my underlined text</u>
or
I just want to underline <u>this</u> word
2.You can do the same programmatically.
`textView.setPaintFlags(textView.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);`
3.It can be done by creating a SpannableString and then setting it as the TextView text property
SpannableString text = new SpannableString("Voglio sottolineare solo questa parola");
text.setSpan(new UnderlineSpan(), 25, 6, 0);
textView.setText(text);
This error indicates that the two tables have the 1 or more column names that have the same column name. The error message translates to: "I can see the same column in both tables but you haven't told me to rename either before bringing one of them in"
You either want to delete one of the columns before bringing it in from the other on using del df['column name'], or use lsuffix to re-write the original column, or rsuffix to rename the one that is being brought it.
df_a.join(df_b, on='mukey', how='left', lsuffix='_left', rsuffix='_right')
Opening the debug console in Chrome, or even looking at the html source file (after it is loaded in the browser), make sure that all the paths there are valid (i.e. when you follow a link you get to it's content, and not an error). When something is not valid, fix the path (e.g. get rid of the server specific part and make sure you only refer to files that are part of your extension through paths like /js/jquery-123-min.js
).
I am amazed by the haphazardness of all of the solutions posted so far.
The one and only proper way to get the root folder of a C# project is to leverage the [CallerFilePath]
attribute to obtain the full path name of a source file, and then subtract the filename plus extension from it, leaving you with the path to the project.
Here is how to actually do it:
In the root folder of your project, add a file with the following content:
internal static class ProjectSourcePath
{
private const string myRelativePath = nameof(ProjectSourcePath) + ".cs";
private static string? lazyValue;
public static string Value => lazyValue ??= calculatePath();
private static string calculatePath()
{
string pathName = GetSourceFilePathName();
Assert( pathName.EndsWith( myRelativePath, Sys.StringComparison.Ordinal ) );
return pathName.Substring( 0, pathName.Length - myRelativePath.Length ) );
}
}
The string?
requires a pretty late version of C# with #nullable enable
; if you don't have it, then just remove the ?
.
The Assert()
function is my own, replace it with your own.
The function GetSourceFilePathName()
is defined as follows:
using System.Runtime.CompilerServices
public static string GetSourceFilePathName( [CallerFilePath] string? callerFilePath = null ) //
=> callerFilePath ?? "";
Once you have this, you can use it as follows:
string projectSourcePath = ProjectSourcePath.Value;
Here is a basic explanation for TortoiseGit users:
git reset --soft
and --mixed
leave your files untouched.
git reset --hard
actually change your files to match the commit you reset to.
In TortoiseGit, The concept of the index is very hidden by the GUI. When you modify a file, you don't have to run git add
to add the change to the staging area/index. When simply dealing with modifications to existing files that are not changing file names, git reset --soft
and --mixed
are the same! You will only notice a difference if you added new files or renamed files. In this case, if you run git reset --mixed, you will have to re-add your file(s) from the Not Versioned Files list.
?+?+?/?/?/? will let you navigate split panes in the direction of the arrow, i.e. when using ?+D to split panes vertically, ?+?+? and ?+?+? will let you switch between the panes.
The translation is correct, the typing of the expression isn't. TypeScript is incorrectly typing the expression new Thing[100]
as an array. It should be an error to index Thing
, a constructor function, using the index operator. In C# this would allocate an array of 100 elements. In JavaScript this calls the value at index 100 of Thing
as if was a constructor. Since that values is undefined
it raises the error you mentioned. In JavaScript and TypeScript you want new Array(100)
instead.
You should report this as a bug on CodePlex.
If you are writing a scraper and really don't care about the SSL certificate you can set it global:
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
DO NOT USE IN PRODUCTION
You can't have optional arguments that default to a certain value in Java. The nearest thing to what you are talking about is java varargs whereby you can pass an arbitrary number of arguments (of the same type) to a method.
This would be the lines you need in your vimrc for this purpose:
set clipboard+=unnamed " use the clipboards of vim and win
set paste " Paste from a windows or from vim
set go+=a " Visual selection automatically copied to the clipboard
We do it differently. IMHO we do it in an easier way: in master
we are working on the next major version.
Each larger feature gets its own branch (derived from master) and will be rebased (+ force pushed) on top of master regularly by the developer. Rebasing only works fine if a single developer works on this feature. If the feature is finished, it will be freshly rebased onto master and then the master fast-forwarded to the latest feature commit.
To avoid the rebasing/forced push one also can merge master changes regularly to the feature branch and if it's finished merge the feature branch into master (normal merge or squash merge). But IMHO this makes the feature branch less clear and makes it much more difficult to reorder/cleanup the commits.
If a new release is coming, we create a side-branch out of master, e.g. release-5
where only bugs get fixed.
HostingEnvironment.MapPath
System.Web.Hosting.HostingEnvironment.MapPath(path);
I had referenced this article and many others and did not find a clear cut concise response to help. I am offering my discovery, arrived at with some references from this thread, in the following:
Spring-Boot version: 1.3.5.RELEASE
Spring-Core version: 4.2.6.RELEASE
Dependency Management: Brixton.SR1
The following is the pertinent yaml excerpt:
tools:
toolList:
-
name: jira
matchUrl: http://someJiraUrl
-
name: bamboo
matchUrl: http://someBambooUrl
I created a Tools.class:
@Component
@ConfigurationProperties(prefix = "tools")
public class Tools{
private List<Tool> toolList = new ArrayList<>();
public Tools(){
//empty ctor
}
public List<Tool> getToolList(){
return toolList;
}
public void setToolList(List<Tool> tools){
this.toolList = tools;
}
}
I created a Tool.class:
@Component
public class Tool{
private String name;
private String matchUrl;
public Tool(){
//empty ctor
}
public String getName(){
return name;
}
public void setName(String name){
this.name= name;
}
public String getMatchUrl(){
return matchUrl;
}
public void setMatchUrl(String matchUrl){
this.matchUrl= matchUrl;
}
@Override
public String toString(){
StringBuffer sb = new StringBuffer();
String ls = System.lineSeparator();
sb.append(ls);
sb.append("name: " + name);
sb.append(ls);
sb.append("matchUrl: " + matchUrl);
sb.append(ls);
}
}
I used this combination in another class through @Autowired
@Component
public class SomeOtherClass{
private Logger logger = LoggerFactory.getLogger(SomeOtherClass.class);
@Autowired
private Tools tools;
/* excluded non-related code */
@PostConstruct
private void init(){
List<Tool> toolList = tools.getToolList();
if(toolList.size() > 0){
for(Tool t: toolList){
logger.info(t.toString());
}
}else{
logger.info("*****----- tool size is zero -----*****");
}
}
/* excluded non-related code */
}
And in my logs the name and matching url's were logged. This was developed on another machine and thus I had to retype all of the above so please forgive me in advance if I inadvertently mistyped.
I hope this consolidation comment is helpful to many and I thank the previous contributors to this thread!
Dictionary in python has a get('key', default) method. So you can just set a default value in case there is no key.
values = {...}
myValue = values.get('Key', None)
Even better
#include <stdio.h>
int
main(void)
{
char *line = NULL;
size_t count;
char *dup_line;
getline(&line,&count, stdin);
dup_line=strdup(line);
puts(dup_line);
free(dup_line);
free(line);
return 0;
}
In past projects I worked on, the endpoint was a relative property. That is to say it may or may not have been appended to, but it always contained the protocol://host:port/partOfThePath
.
If the service being called had a dynamic part to it, for example a ?param=dynamicValue
, then that part would get added to the endpoint. But many times the endpoint could be used as is without having to be amended.
Whats important to understand is what an endpoint is not and how it helps. For example an alternative way to pass the information stored in an endpoint would be to store the different parts of the endpoint in separate properties. For example:
hostForServiceA=someIp
portForServiceA=8080
pathForServiceA=/some/service/path
hostForServiceB=someIp
portForServiceB=8080
pathForServiceB=/some/service/path
Or if the same host and port across multiple services:
host=someIp
port=8080
pathForServiceA=/some/service/path
pathForServiceB=/some/service/path
In those cases the full URL would need to be constructed in your code as such:
String url = "http://" + host + ":" + port + pathForServiceA + "?" + dynamicParam + "=" + dynamicValue;
In contract this can be stored as an endpoint as such
serviceAEndpoint=http://host:port/some/service/path?dynamicParam=
And yes many times we stored the endpoint up to and including the '='. This lead to code like this:
String url = serviceAEndpoint + dynamicValue;
Hope that sheds some light.
If anyone wanted to Add DataTable as a source of gridview then--
DataTable dt = new DataTable();
dt.Columns.Add(new DataColumn("column1"));
dt.Columns.Add(new DataColumn("column2"));
DataRow dr = dt.NewRow();
dr[0] = "column1 Value";
dr[1] = "column2 Value";
dt.Rows.Add(dr);
dataGridView1.DataSource = dt;
You need to create an instance of the type that expose the Output
method:
static void Main(string[] args)
{
var DLL = Assembly.LoadFile(@"C:\visual studio 2012\Projects\ConsoleApplication1\ConsoleApplication1\DLL.dll");
var class1Type = DLL.GetType("DLL.Class1");
//Now you can use reflection or dynamic to call the method. I will show you the dynamic way
dynamic c = Activator.CreateInstance(class1Type);
c.Output(@"Hello");
Console.ReadLine();
}
The general rule-of-thumb is, if you can do it using a single SQL statement instead of using PL/SQL, you should. It will usually be more efficient.
However, if you need to add more procedural logic (for some reason), you might need to use PL/SQL, but you should use bulk operations instead of row-by-row processing. (Note: in Oracle 10g and later, your FOR loop will automatically use BULK COLLECT to fetch 100 rows at a time; however your insert statement will still be done row-by-row).
e.g.
DECLARE
TYPE tA IS TABLE OF FOO.A%TYPE INDEX BY PLS_INTEGER;
TYPE tB IS TABLE OF FOO.B%TYPE INDEX BY PLS_INTEGER;
TYPE tC IS TABLE OF FOO.C%TYPE INDEX BY PLS_INTEGER;
rA tA;
rB tB;
rC tC;
BEGIN
SELECT * BULK COLLECT INTO rA, rB, rC FROM FOO;
-- (do some procedural logic on the data?)
FORALL i IN rA.FIRST..rA.LAST
INSERT INTO BAR(A,
B,
C)
VALUES(rA(i),
rB(i),
rC(i));
END;
The above has the benefit of minimising context switches between SQL and PL/SQL. Oracle 11g also has better support for tables of records so that you don't have to have a separate PL/SQL table for each column.
Also, if the volume of data is very great, it is possible to change the code to process the data in batches.
Binds a handler to an event (like click) for all current - and future - matched element. Can also bind custom events.
$(function(){
$(".myclass").live("click", function() {
// do something
});
});
The Effectively final variable is a local variable that is:
final
While a final variable is a variable that is:
final
keyword.Just add a background image to all images using css:
img {
background: url('loading.gif') no-repeat;
}
This will work although when embedding PHP in HTML it is better practice to use the following form:
<table>
<?php foreach($array as $key=>$value): ?>
<tr>
<td><?= $key; ?></td>
</tr>
<?php endforeach; ?>
</table>
You can find the doc for the alternative syntax on PHP.net
In a BST, all values descending on the left side of a node are less than (or equal to, see later) the node itself. Similarly, all values descending on the right side of a node are greater than (or equal to) that node value(a).
Some BSTs may choose to allow duplicate values, hence the "or equal to" qualifiers above. The following example may clarify:
14
/ \
13 22
/ / \
1 16 29
/ \
28 29
This shows a BST that allows duplicates(b) - you can see that to find a value, you start at the root node and go down the left or right subtree depending on whether your search value is less than or greater than the node value.
This can be done recursively with something like:
def hasVal (node, srchval):
if node == NULL:
return false
if node.val == srchval:
return true
if node.val > srchval:
return hasVal (node.left, srchval)
return hasVal (node.right, srchval)
and calling it with:
foundIt = hasVal (rootNode, valToLookFor)
Duplicates add a little complexity since you may need to keep searching once you've found your value, for other nodes of the same value. Obviously that doesn't matter for hasVal
since it doesn't matter how many there are, just whether at least one exists. It will however matter for things like countVal
, since it needs to know how many there are.
(a) You could actually sort them in the opposite direction should you so wish provided you adjust how you search for a specific key. A BST need only maintain some sorted order, whether that's ascending or descending (or even some weird multi-layer-sort method like all odd numbers ascending, then all even numbers descending) is not relevant.
(b) Interestingly, if your sorting key uses the entire value stored at a node (so that nodes containing the same key have no other extra information to distinguish them), there can be performance gains from adding a count to each node, rather than allowing duplicate nodes.
The main benefit is that adding or removing a duplicate will simply modify the count rather than inserting or deleting a new node (an action that may require re-balancing the tree).
So, to add an item, you first check if it already exists. If so, just increment the count and exit. If not, you need to insert a new node with a count of one then rebalance.
To remove an item, you find it then decrement the count - only if the resultant count is zero do you then remove the actual node from the tree and rebalance.
Searches are also quicker given there are fewer nodes but that may not be a large impact.
For example, the following two trees (non-counting on the left, and counting on the right) would be equivalent (in the counting tree, i.c
means c
copies of item i
):
__14__ ___22.2___
/ \ / \
14 22 7.1 29.1
/ \ / \ / \ / \
1 14 22 29 1.1 14.3 28.1 30.1
\ / \
7 28 30
Removing the leaf-node 22
from the left tree would involve rebalancing (since it now has a height differential of two) the resulting 22-29-28-30
subtree such as below (this is one option, there are others that also satisfy the "height differential must be zero or one" rule):
\ \
22 29
\ / \
29 --> 28 30
/ \ /
28 30 22
Doing the same operation on the right tree is a simple modification of the root node from 22.2
to 22.1
(with no rebalancing required).
Example 1:
This is how the and operator works.
x and y => if x is false, then x, else y
So in other words, since mylist1
is not False
, the result of the expression is mylist2
. (Only empty lists evaluate to False
.)
Example 2:
The &
operator is for a bitwise and, as you mention. Bitwise operations only work on numbers. The result of a & b is a number composed of 1s in bits that are 1 in both a and b. For example:
>>> 3 & 1
1
It's easier to see what's happening using a binary literal (same numbers as above):
>>> 0b0011 & 0b0001
0b0001
Bitwise operations are similar in concept to boolean (truth) operations, but they work only on bits.
So, given a couple statements about my car
The logical "and" of these two statements is:
(is my car red?) and (does car have wheels?) => logical true of false value
Both of which are true, for my car at least. So the value of the statement as a whole is logically true.
The bitwise "and" of these two statements is a little more nebulous:
(the numeric value of the statement 'my car is red') & (the numeric value of the statement 'my car has wheels') => number
If python knows how to convert the statements to numeric values, then it will do so and compute the bitwise-and of the two values. This may lead you to believe that &
is interchangeable with and
, but as with the above example they are different things. Also, for the objects that can't be converted, you'll just get a TypeError
.
Example 3 and 4:
Numpy implements arithmetic operations for arrays:
Arithmetic and comparison operations on ndarrays are defined as element-wise operations, and generally yield ndarray objects as results.
But does not implement logical operations for arrays, because you can't overload logical operators in python. That's why example three doesn't work, but example four does.
So to answer your and
vs &
question: Use and
.
The bitwise operations are used for examining the structure of a number (which bits are set, which bits aren't set). This kind of information is mostly used in low-level operating system interfaces (unix permission bits, for example). Most python programs won't need to know that.
The logical operations (and
, or
, not
), however, are used all the time.
If you use RecycleView, first you need more efford to setup. You need to give more time to setup simple Item onclick, border, touch event and other simple thing. But end product will be perfect.
So decision is yours. I suggest, if you design simple app like phonebook loading, where simple click of item is enough, you can implement listview. But if you design like social media home page with unlimited scrolling. Several different decoration between item, much control of individual item than use recycle view.
Antwane's answer is correct, and this should be a comment but comments don't have enough space and do not allow formatting. :-) I just want to add that in Git, file permissions are recorded only1 as either 644
or 755
(spelled (100644
and 100755
; the 100
part means "regular file"):
diff --git a/path b/path
new file mode 100644
The former—644—means that the file should not be executable, and the latter means that it should be executable. How that turns into actual file modes within your file system is somewhat OS-dependent. On Unix-like systems, the bits are passed through your umask
setting, which would normally be 022
to remove write permission from "group" and "other", or 002
to remove write permission only from "other". It might also be 077
if you are especially concerned about privacy and wish to remove read, write, and execute permission from both "group" and "other".
1Extremely-early versions of Git saved group permissions, so that some repositories have tree entries with mode 664
in them. Modern Git does not, but since no part of any object can ever be changed, those old permissions bits still persist in old tree objects.
The change to store only 0644 or 0755 was in commit e44794706eeb57f2, which is before Git v0.99 and dated 16 April 2005.
I see you are using jQuery for the form initialization.
When I try @KyungHun Jeon's answer, it doesn't work for me that use jQuery too.
So, I tried appending the form to the body by using the jQuery way:
$(document.body).append(form);
And it worked!
Start with a basic square and borders. Each border will be given a different color so we can tell them apart:
.triangle {
border-color: yellow blue red green;
border-style: solid;
border-width: 200px 200px 200px 200px;
height: 0px;
width: 0px;
}
_x000D_
<div class="triangle"></div>
_x000D_
which gives you this:
But there's no need for the top border, so set its width to 0px
. Now our border-bottom of 200px
will make our triangle 200px tall.
.triangle {
border-color: yellow blue red green;
border-style: solid;
border-width: 0px 200px 200px 200px;
height: 0px;
width: 0px;
}
_x000D_
<div class="triangle"></div>
_x000D_
and we will get this:
Then to hide the two side triangles, set the border-color to transparent. Since the top-border has been effectively deleted, we can set the border-top-color to transparent as well.
.triangle {
border-color: transparent transparent red transparent;
border-style: solid;
border-width: 0px 200px 200px 200px;
height: 0px;
width: 0px;
}
_x000D_
<div class="triangle"></div>
_x000D_
finally we get this:
If using sqlplus you can define a variable thus:
define <varname>=<varvalue>
And you can display the value by:
define <varname>
And then use it in a query as, for example:
select *
from tab1
where col1 = '&varname';
Another Alternative for those who are probing around and/or in interactive mode:
$Error[0].Exception.LoaderExceptions
Note: [0] grabs the most recent Error from the stack
You may try this way. just use a function to get your object
def get_object(self, id):
try:
return Comment.objects.get(pk=id)
except Comment.DoesNotExist:
return False
Sure you can:
Option Explicit
'***** User defined type
Public Type MyType
MyInt As Integer
MyString As String
MyDoubleArr(2) As Double
End Type
'***** Testing MyType as single variable
Public Sub MyFirstSub()
Dim MyVar As MyType
MyVar.MyInt = 2
MyVar.MyString = "cool"
MyVar.MyDoubleArr(0) = 1
MyVar.MyDoubleArr(1) = 2
MyVar.MyDoubleArr(2) = 3
Debug.Print "MyVar: " & MyVar.MyInt & " " & MyVar.MyString & " " & MyVar.MyDoubleArr(0) & " " & MyVar.MyDoubleArr(1) & " " & MyVar.MyDoubleArr(2)
End Sub
'***** Testing MyType as an array
Public Sub MySecondSub()
Dim MyArr(2) As MyType
Dim i As Integer
MyArr(0).MyInt = 31
MyArr(0).MyString = "VBA"
MyArr(0).MyDoubleArr(0) = 1
MyArr(0).MyDoubleArr(1) = 2
MyArr(0).MyDoubleArr(2) = 3
MyArr(1).MyInt = 32
MyArr(1).MyString = "is"
MyArr(1).MyDoubleArr(0) = 11
MyArr(1).MyDoubleArr(1) = 22
MyArr(1).MyDoubleArr(2) = 33
MyArr(2).MyInt = 33
MyArr(2).MyString = "cool"
MyArr(2).MyDoubleArr(0) = 111
MyArr(2).MyDoubleArr(1) = 222
MyArr(2).MyDoubleArr(2) = 333
For i = LBound(MyArr) To UBound(MyArr)
Debug.Print "MyArr: " & MyArr(i).MyString & " " & MyArr(i).MyInt & " " & MyArr(i).MyDoubleArr(0) & " " & MyArr(i).MyDoubleArr(1) & " " & MyArr(i).MyDoubleArr(2)
Next
End Sub
According to some developers, "Core Java" refers to package API java.util.*
, which is mostly used in coding.
The term "Core Java" is not defined by Sun, it's just a slang definition.
J2ME / J2EE still depend on J2SDK API's for compilation and execution.
Nobody would say java.util.*
is separated from J2SDK for usage.
I encountered this error while there is an invisible view in an activity xml layout. At that time it was not used in my case so I have removed it and the crash is not seen anymore.
This question and answer helped me solve a specific problem with signing up new users in Parse.
Because the signUp( attrs, options ) function uses local storage to persist the session, if a user is in private browsing mode it throws the "QuotaExceededError: DOM Exception 22: An attempt was made to add something to storage that exceeded the quota." exception and the success/error functions are never called.
In my case, because the error function is never called it initially appeared to be an issue with firing the click event on the submit or the redirect defined on success of sign up.
Including a warning for users resolved the issue.
Parse Javascript SDK Reference https://parse.com/docs/js/api/classes/Parse.User.html#methods_signUp
Signs up a new user with a username (or email) and password. This will create a new Parse.User on the server, and also persist the session in localStorage so that you can access the user using {@link #current}.
create a class create a object globally and call this
using System.IO;
using System.Reflection;
public class LogWriter
{
private string m_exePath = string.Empty;
public LogWriter(string logMessage)
{
LogWrite(logMessage);
}
public void LogWrite(string logMessage)
{
m_exePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
try
{
using (StreamWriter w = File.AppendText(m_exePath + "\\" + "log.txt"))
{
Log(logMessage, w);
}
}
catch (Exception ex)
{
}
}
public void Log(string logMessage, TextWriter txtWriter)
{
try
{
txtWriter.Write("\r\nLog Entry : ");
txtWriter.WriteLine("{0} {1}", DateTime.Now.ToLongTimeString(),
DateTime.Now.ToLongDateString());
txtWriter.WriteLine(" :");
txtWriter.WriteLine(" :{0}", logMessage);
txtWriter.WriteLine("-------------------------------");
}
catch (Exception ex)
{
}
}
}
keep.update(yoursequenceofvalues)
e.g, keep.update(xrange(11))
for your specific example. Or, if you have to produce the values in a loop for some other reason,
for ...whatever...:
onemorevalue = ...whatever...
keep.add(onemorevalue)
But, of course, doing it in bulk with a single .update
call is faster and handier, when otherwise feasible.
The official reference is the class Formatter
.
As noted in comments above, while still on some UA implementations, readAsBinaryString
method didn't made its way to the specs and should not be used in production.
Instead, use readAsArrayBuffer
and loop through it's buffer
to get back the binary string :
document.querySelector('input').addEventListener('change', function() {_x000D_
_x000D_
var reader = new FileReader();_x000D_
reader.onload = function() {_x000D_
_x000D_
var arrayBuffer = this.result,_x000D_
array = new Uint8Array(arrayBuffer),_x000D_
binaryString = String.fromCharCode.apply(null, array);_x000D_
_x000D_
console.log(binaryString);_x000D_
_x000D_
}_x000D_
reader.readAsArrayBuffer(this.files[0]);_x000D_
_x000D_
}, false);
_x000D_
<input type="file" />_x000D_
<div id="result"></div>
_x000D_
For a more robust way to convert your arrayBuffer in binary string, you can refer to this answer.
Yes, the file API does provide a way to convert your File, in the <input type="file"/>
to a binary string, thanks to the FileReader Object and its method readAsBinaryString
.
[But don't use it in production !]
document.querySelector('input').addEventListener('change', function(){_x000D_
var reader = new FileReader();_x000D_
reader.onload = function(){_x000D_
var binaryString = this.result;_x000D_
document.querySelector('#result').innerHTML = binaryString;_x000D_
}_x000D_
reader.readAsBinaryString(this.files[0]);_x000D_
}, false);
_x000D_
<input type="file"/>_x000D_
<div id="result"></div>
_x000D_
If you want an array buffer, then you can use the readAsArrayBuffer()
method :
document.querySelector('input').addEventListener('change', function(){_x000D_
var reader = new FileReader();_x000D_
reader.onload = function(){_x000D_
var arrayBuffer = this.result;_x000D_
console.log(arrayBuffer);_x000D_
document.querySelector('#result').innerHTML = arrayBuffer + ' '+arrayBuffer.byteLength;_x000D_
}_x000D_
reader.readAsArrayBuffer(this.files[0]);_x000D_
}, false);
_x000D_
<input type="file"/>_x000D_
<div id="result"></div>
_x000D_
Please refer below Ajax overview:
This replaces the last comma with a newline:
ls -1 | tr '\n' ',' | sed 's/,$/\n/'
ls -m
includes newlines at the screen-width character (80th for example).
Mostly Bash (only ls
is external):
saveIFS=$IFS; IFS=$'\n'
files=($(ls -1))
IFS=,
list=${files[*]}
IFS=$saveIFS
Using readarray
(aka mapfile
) in Bash 4:
readarray -t files < <(ls -1)
saveIFS=$IFS
IFS=,
list=${files[*]}
IFS=$saveIFS
Thanks to gniourf_gniourf for the suggestions.
I wrote a small plugin to make it easier to bind the "on enter key pressed" a event:
$.fn.enterKey = function (fnc) {
return this.each(function () {
$(this).keypress(function (ev) {
var keycode = (ev.keyCode ? ev.keyCode : ev.which);
if (keycode == '13') {
fnc.call(this, ev);
}
})
})
}
Usage:
$("#input").enterKey(function () {
alert('Enter!');
})
Just a small remark:
some Safari browsers do not seem to respect neither the "hidden" attribute nor the style setting "display:none" (tested with Safari 12.1 under MacOS 10.12.6). Without an explicit placeholder text, these browsers simply show an empty first line in the list of options. It may therefore be useful to always provide some explanatory text for this "dummy" entry:
<option hidden disabled selected value>(select an option)</option>
Thanks to the "disabled" attribute, it won't be actively selected anyway.
I found an answer now. Thanks for your suggestions!
for e in ./*.cutoff.txt; do
if grep -q -E 'COX1|Cu-oxidase' $e
then
echo xyz >$e.match.txt
else
echo
fi
if grep -q -E 'AMO' $e
then
echo abc >$e.match.txt
else
echo
fi; done
Any comments on that? It seems inefficient to grep twice, but it works...
I don't know anything about MongoDB, but from the CouchDB FAQ:
Is CouchDB Ready for Production?
Yes, see InTheWild for a partial list of projects using CouchDB. Another good overview is CouchDB Case Studies
Also, some links:
Your group statement will group by group ID. For example, if you then write:
foreach (var group in groupedCustomerList)
{
Console.WriteLine("Group {0}", group.Key);
foreach (var user in group)
{
Console.WriteLine(" {0}", user.UserName);
}
}
that should work fine. Each group has a key, but also contains an IGrouping<TKey, TElement>
which is a collection that allows you to iterate over the members of the group. As Lee mentions, you can convert each group to a list if you really want to, but if you're just going to iterate over them as per the code above, there's no real benefit in doing so.
Use the styles
left: 0px;
or/and
right: 0px;
or/and
top: 0px;
or/and
bottom: 0px;
I think for most cases that will do the job
You forget to write .show() at the end, which is used to show the toast message.
Toast.makeText(getApplicationContext(), "received", Toast.LENGTH_SHORT).show();
It is a common mistake that programmer does, but i am sure after this you won't repeat the mistake again... :D
Consider explicitly setting the header in the $http.post (I put application/json, as I am not sure which of the two versions in your example is the working one, but you can use application/x-www-form-urlencoded if it's the other one):
$http.post("/customer/data/autocomplete", {term: searchString}, {headers: {'Content-Type': 'application/json'} })
.then(function (response) {
return response;
});
Try bower install git://github.com/urin/jquery.balloon.js.git#1.0.3 --save
where 1.0.3
is the tag number which you can get by reading tag under releases. Also for URL replace by git://
in order for system to connect.
From comments:
But, this code never stops (because of integer overflow) !?! Yves Daoust
For many numbers it will not overflow.
If it will overflow - for one of those unlucky initial seeds, the overflown number will very likely converge toward 1 without another overflow.
Still this poses interesting question, is there some overflow-cyclic seed number?
Any simple final converging series starts with power of two value (obvious enough?).
2^64 will overflow to zero, which is undefined infinite loop according to algorithm (ends only with 1), but the most optimal solution in answer will finish due to shr rax
producing ZF=1.
Can we produce 2^64? If the starting number is 0x5555555555555555
, it's odd number, next number is then 3n+1, which is 0xFFFFFFFFFFFFFFFF + 1
= 0
. Theoretically in undefined state of algorithm, but the optimized answer of johnfound will recover by exiting on ZF=1. The cmp rax,1
of Peter Cordes will end in infinite loop (QED variant 1, "cheapo" through undefined 0
number).
How about some more complex number, which will create cycle without 0
?
Frankly, I'm not sure, my Math theory is too hazy to get any serious idea, how to deal with it in serious way. But intuitively I would say the series will converge to 1 for every number : 0 < number, as the 3n+1 formula will slowly turn every non-2 prime factor of original number (or intermediate) into some power of 2, sooner or later. So we don't need to worry about infinite loop for original series, only overflow can hamper us.
So I just put few numbers into sheet and took a look on 8 bit truncated numbers.
There are three values overflowing to 0
: 227
, 170
and 85
(85
going directly to 0
, other two progressing toward 85
).
But there's no value creating cyclic overflow seed.
Funnily enough I did a check, which is the first number to suffer from 8 bit truncation, and already 27
is affected! It does reach value 9232
in proper non-truncated series (first truncated value is 322
in 12th step), and the maximum value reached for any of the 2-255 input numbers in non-truncated way is 13120
(for the 255
itself), maximum number of steps to converge to 1
is about 128
(+-2, not sure if "1" is to count, etc...).
Interestingly enough (for me) the number 9232
is maximum for many other source numbers, what's so special about it? :-O 9232
= 0x2410
... hmmm.. no idea.
Unfortunately I can't get any deep grasp of this series, why does it converge and what are the implications of truncating them to k bits, but with cmp number,1
terminating condition it's certainly possible to put the algorithm into infinite loop with particular input value ending as 0
after truncation.
But the value 27
overflowing for 8 bit case is sort of alerting, this looks like if you count the number of steps to reach value 1
, you will get wrong result for majority of numbers from the total k-bit set of integers. For the 8 bit integers the 146 numbers out of 256 have affected series by truncation (some of them may still hit the correct number of steps by accident maybe, I'm too lazy to check).
I know this question is too old, but still, I think this approach would be cleaner:
cat = $.URLDecode(cat);
$('#cbCategory option:contains("' + cat + '")').prop('selected', true);
In this case you wont need to go over the entire options with each()
.
Although by that time prop()
didn't exist so for older versions of jQuery use attr()
.
UPDATE
You have to be certain when using contains
because you can find multiple options, in case of the string inside cat
matches a substring of a different option than the one you intend to match.
Then you should use:
cat = $.URLDecode(cat);
$('#cbCategory option')
.filter(function(index) { return $(this).text() === cat; })
.prop('selected', true);
As per the W3C:
Since the initial value of the border styles is 'none', no borders will be visible unless the border style is set.
In other words, you need to set a border style (e.g. solid
) for the border to show up. border:thin
only sets the width. Also, the color will by default be the same as the text color (which normally doesn't look good).
I recommend setting all three styles:
style="border: thin solid black"
It should be
if (*message == '\0')
In C, simple quotes delimit a single character whereas double quotes are for strings.
Here is an example of a parent List react component and whos props contain a react element. In this case, just a single Link react component is passed in (as seen in the dom render).
class Link extends React.Component {
constructor(props){
super(props);
}
render(){
return (
<div>
<p>{this.props.name}</p>
</div>
);
}
}
class List extends React.Component {
render(){
return(
<div>
{this.props.element}
{this.props.element}
</div>
);
}
}
ReactDOM.render(
<List element = {<Link name = "working"/>}/>,
document.getElementById('root')
);
If working on EJB client library:
You need to mention the argument for getting the initial context.
InitialContext ctx = new InitialContext();
If you do not, it will look in the project folder for properties file. Also you can include the properties credentials or values in your class file itself as follows:
Properties props = new Properties();
props.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory");
props.put(Context.URL_PKG_PREFIXES, "org.jboss.ejb.client.naming");
props.put(Context.PROVIDER_URL, "jnp://localhost:1099");
InitialContext ctx = new InitialContext(props);
URL_PKG_PREFIXES: Constant that holds the name of the environment property for specifying the list of package prefixes to use when loading in URL context factories.
The EJB client library is the primary library to invoke remote EJB components.
This library can be used through the InitialContext. To invoke EJB components the library creates an EJB client context via a URL context factory. The only necessary configuration is to parse the value org.jboss.ejb.client.naming for the java.naming.factory.url.pkgs property to instantiate an InitialContext.
I had the component name wrong(it is case sensitive) in either app.rounting.ts or app.module.ts.
I'm not sure what jQuery api you're looking at, but you should only have to specify id
.
$('#thumb').removeAttr('id');
Horizontal and Vertical center alignment
<View style={{flex: 1, justifyContent: 'center',alignItems: 'center'}}>
<Text> Example Test </Text>
</View>
I attempted to find a more elegant solution, but the best I could do was basically the same thing that Dyno Fu said:
from copy import copy
def subtract_lists(a, b):
"""
>>> a = [0, 1, 2, 1, 0]
>>> b = [0, 1, 1]
>>> subtract_lists(a, b)
[2, 0]
>>> import random
>>> size = 10000
>>> a = [random.randrange(100) for _ in range(size)]
>>> b = [random.randrange(100) for _ in range(size)]
>>> c = subtract_lists(a, b)
>>> assert all((x in a) for x in c)
"""
a = copy(a)
for x in b:
if x in a:
a.remove(x)
return a
Assuming it is OK that the operation is not atomic, you can do:
if (std::ifstream(name))
{
std::cout << "File already exists" << std::endl;
return false;
}
std::ofstream file(name);
if (!file)
{
std::cout << "File could not be created" << std::endl;
return false;
}
...
Note that this doesn't work if you run multiple threads trying to create the same file, and certainly will not prevent a second process from "interfering" with the file creation because you have TOCTUI problems. [We first check if the file exists, and then create it - but someone else could have created it in between the check and the creation - if that's critical, you will need to do something else, which isn't portable].
A further problem is if you have permissions such as the file is not readable (so we can't open it for read) but is writeable, it will overwrite the file.
In MOST cases, neither of these things matter, because all you care about is telling someone that "you already have a file like that" (or something like that) in a "best effort" approach.
If your button is generated dynamically:
You can pass string parameters to JavaScript functions like the below code:
I passed three parameters where the third one is a string parameter.
var btn ="<input type='button' onclick='RoomIsReadyFunc("+ID+","+RefId+",\""+YourString+"\");' value='Room is Ready' />";
// Your JavaScript function
function RoomIsReadyFunc(ID, RefId, YourString)
{
alert(ID);
alert(RefId);
alert(YourString);
}
Solved it by setting the naughty EditText:
etSearch = (EditText) view.findViewById(R.id.etSearch);
etSearch.setInputType(InputType.TYPE_NULL);
etSearch.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
etSearch.setInputType(InputType.TYPE_CLASS_TEXT);
return false;
}
});
Through the UI in SQL Server 2005 manager, change the column remove the autonumber (identity) property of the column (select the table by right clicking on it and choose "Design").
Then run your query:
UPDATE table SET Id = Id + 1
Then go and add the autonumber property back to the column.
Your command does not work because the redirection is performed by your shell which does not have the permission to write to /root/test.out
. The redirection of the output is not performed by sudo.
There are multiple solutions:
Run a shell with sudo and give the command to it by using the -c
option:
sudo sh -c 'ls -hal /root/ > /root/test.out'
Create a script with your commands and run that script with sudo:
#!/bin/sh
ls -hal /root/ > /root/test.out
Run sudo ls.sh
. See Steve Bennett's answer if you don't want to create a temporary file.
Launch a shell with sudo -s
then run your commands:
[nobody@so]$ sudo -s
[root@so]# ls -hal /root/ > /root/test.out
[root@so]# ^D
[nobody@so]$
Use sudo tee
(if you have to escape a lot when using the -c
option):
sudo ls -hal /root/ | sudo tee /root/test.out > /dev/null
The redirect to /dev/null
is needed to stop tee from outputting to the screen. To append instead of overwriting the output file
(>>
), use tee -a
or tee --append
(the last one is specific to GNU coreutils).
Thanks go to Jd, Adam J. Forster and Johnathan for the second, third and fourth solutions.
I found a solution by myself after doing some research:
Now everything works fine.
function smallest(){_x000D_
if(arguments[0] instanceof Array)_x000D_
arguments = arguments[0];_x000D_
_x000D_
return Math.min.apply( Math, arguments );_x000D_
}_x000D_
function largest(){_x000D_
if(arguments[0] instanceof Array)_x000D_
arguments = arguments[0];_x000D_
_x000D_
return Math.max.apply( Math, arguments );_x000D_
}_x000D_
var min = smallest(10, 11, 12, 13);_x000D_
var max = largest([10, 11, 12, 13]);_x000D_
_x000D_
console.log("Smallest: "+ min +", Largest: "+ max);
_x000D_
If you're ready for a long read, Mike Vanier has a great explanation. Long story short, it allows you to implement recursion in a language that doesn't necessarily support it natively.
The answer by Kleist certainly works, but there is an important caveat:
When you write a Makefile
manually, you might generate a SRCS
variable using a function to select all .cpp
and .h
files. If a source file is later added, re-running make
will include it.
However, CMake (with a command like file(GLOB ...)
) will explicitly generate a file list and place it in the auto-generated Makefile
. If you have a new source file, you will need to re-generate the Makefile
by re-running cmake
.
edit: No need to remove the Makefile.
When you do valueForKey:
you need to give it an NSString, whereas objectForKey:
can take any NSObject subclass as a key. This is because for Key-Value Coding, the keys are always strings.
In fact, the documentation states that even when you give valueForKey:
an NSString, it will invoke objectForKey:
anyway unless the string starts with an @
, in which case it invokes [super valueForKey:]
, which may call valueForUndefinedKey:
which may raise an exception.
The --no-ff
option ensures that a fast forward merge will not happen, and that a new commit object will always be created. This can be desirable if you want git to maintain a history of feature branches.
In the above image, the left side is an example of the git history after using git merge --no-ff
and the right side is an example of using git merge
where an ff merge was possible.
EDIT: A previous version of this image indicated only a single parent for the merge commit. Merge commits have multiple parent commits which git uses to maintain a history of the "feature branch" and of the original branch. The multiple parent links are highlighted in green.
var dialogName = '#dialog_XYZ';
$.ajax({
url: "/ajax_pages/my_page.ext",
data: {....},
success: function(data) {
$(dialogName ).remove();
$('BODY').append(data);
$(dialogName )
.dialog(options.dialogOptions);
}
});
The Ajax-Request load the Dialog, add them to the Body of the current page and open the Dialog.
If you only whant to load the content you can do:
var dialogName = '#dialog_XYZ';
$.ajax({
url: "/ajax_pages/my_page.ext",
data: {....},
success: function(data) {
$(dialogName).append(data);
$(dialogName )
.dialog(options.dialogOptions);
}
});
I tried a couple of solution but I thing easy way like this (you are in the local folder):
#!/bin/bash
git fetch
var_local=`cat .git/refs/heads/master`
var_remote=`git log origin/master -1 | head -n1 | cut -d" " -f2`
if [ "$var_remote" = "$var_local" ]; then
echo "Strings are equal." #1
else
echo "Strings are not equal." #0 if you want
fi
Then you did compare local git and remote git last commit number....
Its always a hard one to say because they were using assembly up until 1993, NBA Jam if anyone remembers that bad boy. Technology is constantly trending so its very difficult to say where it will go, I would recommend learning C and getting a very firm grasp on that then move onto C++. I will say this as a caution if you enjoy playing games you will not enjoy coding games.
If your using maven,
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<profiles>
<profile>dev</profile>
</profiles>
</configuration>
</plugin>
</plugins>
</build>
this set dev as active profile
./mvnw spring-boot:run
will have dev as active profile.
Ok folks, I ran into this problem this weekend when my OpenStack environment crashed. Another post about that coming soon on how to recover.
I found a solution that worked for me with a SQL Server instance running under the Ver 15.1 Distrib 10.1.21-MariaDB with Fedora 25 Server as the host. Do not listen to all the other posts that say your database is corrupted if you completely copied your old mariadb-server's /var/lib/mysql directory and the database you are copying is not already corrupted. This process is based on a system where the OS became corrupted but its files were still accessible.
Here are the steps I followed.
Make sure that you have completely uninstalled any current versions of SQL only on the NEW server. Also, make sure ALL mysql-server or mariadb-server processes on the NEW AND OLD servers have been halted by running:
service mysqld stop or service mariadb stop.
On the NEW SQL server go into the /var/lib/mysql directory and ensure that there are no files at all in this directory. If there are files in this directory then your process for removing the database server from the new machine did not work and is possibly corrupted. Make sure it completely uninstalled from the new machine.
On the OLD SQL server:
mkdir /OLDMYSQL-DIR cd /OLDMYSQL-DIR tar cvf mysql-olddirectory.tar /var/lib/mysql gzip mysql-olddirectory.tar
Make sure you have sshd running on both the OLD and NEW servers. Make sure there is network connectivity between the two servers.
On the NEW SQL server:
mkdir /NEWMYSQL-DIR
On the OLD SQL server:
cd /OLDMYSQL-DIR scp mysql-olddirectory.tar.gz @:/NEWMYSQL-DIR
On the NEW SQL server:
cd /NEWMYSQL-DIR gunzip mysql-olddirectory.tar.gz OR tar zxvf mysql-olddirectory.tar.gz (if tar zxvf doesn't work) tar xvf mysql-olddirectory.tar.gz
You should now have a "mysql" directory file sitting in the NEWMYSQL-DIR. Resist the urge to run a "cp" command alone with no switches. It will not work. Run the following "cp" command and ensure you use the same switches I did.
cd mysql/ cp -rfp * /var/lib/mysql/
Now you should have a copy of all of your old SQL server files on the NEW server with permissions in tact. On the NEW SQL server:
cd /var/lib/mysql/
VERY IMPORTANT STEP. DO NOT SKIP
> rm -rfp ib_logfile*
FOR MARIADB-SERVER and DNF:
> dnf install mariadb-server
> service mariadb restart
FOR MYSQL-SERVER and YUM:
> yum install mysql-server
> service mysqld restart
Try the following (note that there should not be a space between the VAR
, =
, and GREG
).
SET VAR=GREG
ECHO %VAR%
PAUSE
Many times it does happen that cpan install command fails with the message like "make test had returned bad status, won't install without force"
In that case following is the way to install the module:
perl -MCPAN -e "CPAN::Shell->force(qw(install Foo::Bar));"
x^y
is not "x
to the power of y
". It's "x
XOR y
".
Hope this will help...
mdpi is the reference density -- that is, 1 px on an mdpi display is equal to 1 dip. The ratio for asset scaling is:
ldpi | mdpi | hdpi | xhdpi | xxhdpi | xxxhdpi
0.75 | 1 | 1.5 | 2 | 3 | 4
Although you don't really need to worry about tvdpi unless you're developing specifically for Google TV or the original Nexus 7 -- but even Google recommends simply using hdpi assets. You probably don't need to worry about xxhdpi either (although it never hurts, and at least the launcher icon should be provided at xxhdpi), and xxxhdpi is just a constant in the source code right now (no devices use it, nor do I expect any to for a while, if ever), so it's safe to ignore as well.
What this means is if you're doing a 48dip image and plan to support up to xhdpi resolution, you should start with a 96px image (144px if you want native assets for xxhdpi) and make the following images for the densities:
ldpi | mdpi | hdpi | xhdpi | xxhdpi | xxxhdpi
36 x 36 | 48 x 48 | 72 x 72 | 96 x 96 | 144 x 144 | 192 x 192
And these should display at roughly the same size on any device, provided you've placed these in density-specific folders (e.g. drawable-xhdpi, drawable-hdpi, etc.)
For reference, the pixel densities for these are:
ldpi | mdpi | hdpi | xhdpi | xxhdpi | xxxhdpi
120 | 160 | 240 | 320 | 480 | 640
By default Entity Framework uses lazy-loading for navigation properties. That's why these properties should be marked as virtual - EF creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inherited from this entity and provide DbContext instance to this proxy in order to allow lazy loading of membership later:
public class MemberLoanProxy : MemberLoan
{
private CosisEntities db;
private int membershipId;
private Membership membership;
public override Membership Membership
{
get
{
if (membership == null)
membership = db.Memberships.Find(membershipId);
return membership;
}
set { membership = value; }
}
}
So, entity has instance of DbContext which was used for loading entity. That's your problem. You have using
block around CosisEntities usage. Which disposes context before entities are returned. When some code later tries to use lazy-loaded navigation property, it fails, because context is disposed at that moment.
To fix this behavior you can use eager loading of navigation properties which you will need later:
IQueryable<MemberLoan> query = db.MemberLoans.Include(m => m.Membership);
That will pre-load all memberships and lazy-loading will not be used. For details see Loading Related Entities article on MSDN.
MySQL uses CONCAT() to concatenate strings
SELECT * FROM tableOne
LEFT JOIN tableTwo
ON tableTwo.query = CONCAT('category_id=', tableOne.category_id)
Here is an easy way that guarantee to output the myFixedNumber rounded to two decimal places:
import java.text.DecimalFormat;
public class TwoDecimalPlaces {
static double myFixedNumber = 98765.4321;
public static void main(String[] args) {
System.out.println(new DecimalFormat("0.00").format(myFixedNumber));
}
}
The result is: 98765.43
Use this one, I've written this to my app,
<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/rounded_edittext.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" android:padding="10dp">
<solid android:color="#882C383E"/>
<corners
android:bottomRightRadius="5dp"
android:bottomLeftRadius="5dp"
android:topLeftRadius="5dp"
android:topRightRadius="5dp"/>
</shape>
I had the same problem and was able to run a schema-less query using an existing Mongoose connection with the code below. I've added a simple constraint 'a=b' to show where you would add such a constraint:
var action = function (err, collection) {
// Locate all the entries using find
collection.find({'a':'b'}).toArray(function(err, results) {
/* whatever you want to do with the results in node such as the following
res.render('home', {
'title': 'MyTitle',
'data': results
});
*/
});
};
mongoose.connection.db.collection('question', action);
you can reset to HEAD^
then force push it.
git reset HEAD^
git push -u origin master --force
It will delete your last commit and will reflect on bitbucket as commit deleted but will still remain on their server.
I have found that the simplest way to do this is to set onClick for each button in the xml
<Button
android:id="@+id/vrHelp"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/ic_menu_help"
android:onClick="helpB" />
and then you can do a switch case like this
public void helpB(View v) {
Button clickedButton = (Button) v;
switch (clickedButton.getId()) {
case R.id.vrHelp:
dosomething...
break;
case R.id.coHelp:
dosomething...
break;
case R.id.ksHelp:
dosomething...
break;
case R.id.uHelp:
dosomething...
break;
case R.id.pHelp:
dosomething...
break;
}
}
I find exporting the packages in string format only is more portable than exporting the whole conda
environment. As the previous answer already suggested:
$ conda list -e > requirements.txt
However, this requirements.txt
contains build numbers which are not portable between operating systems, e.g. between Mac
and Ubuntu
. In conda env export
we have the option --no-builds
but not with conda list -e
, so we can remove the build number by issuing the following command:
$ sed -i -E "s/^(.*\=.*)(\=.*)/\1/" requirements.txt
And recreate the environment on another computer:
conda create -n recreated_env --file requirements.txt
With naming conventions, it's usually safe to say "just pick one and stick to it", which makes sense.
However, after having to explain REST to lots of people, representing endpoints as paths on a file system is the most expressive way of doing it.
It is stateless (files either exist or don't exist), hierarchical, simple, and familiar - you already knows how to access static files, whether locally or via http.
And within that context, linguistic rules can only get you as far as the following:
A directory can contain multiple files and/or sub-directories, and therefore its name should be in plural form.
And I like that.
Although, on the other hand - it's your directory, you can name it "a-resource-or-multiple-resources" if that's what you want. That's not really the important thing.
What's important is that if you put a file named "123" under a directory named "resourceS" (resulting in /resourceS/123
), you cannot then expect it to be accessible via /resource/123
.
Don't try to make it smarter than it has to be - changing from plural to singluar depending on the count of resources you're currently accessing may be aesthetically pleasing to some, but it's not effective and it doesn't make sense in a hierarchical system.
Note: Technically, you can make "symbolic links", so that /resources/123
can also be accessed via /resource/123
, but the former still has to exist!
This is possible.
//Create the select list item you want to add
SelectListItem selListItem = new SelectListItem() { Value = "null", Text = "Select One" };
//Create a list of select list items - this will be returned as your select list
List<SelectListItem> newList = new List<SelectListItem>();
//Add select list item to list of selectlistitems
newList.Add(selListItem);
//Return the list of selectlistitems as a selectlist
return new SelectList(newList, "Value", "Text", null);
Change
Listen 80
to
Listen 127.0.0.1:80
in your httpd.conf
file. It will bind Apache to a specific IP address and port.
I implemented something of that such. But, here is what I did when the message comes in, I retrieve only the six digit code, bundle it in an intent and send it to the activity or fragment needing it and verifies the code. The example shows you the way to get the sms already. Look at the code below for illustration on how to send using LocalBrodcastManager and if your message contains more texts E.g Greetings, standardize it to help you better. E.g "Your verification code is: 84HG73" you can create a regex pattern like this ([0-9]){2}([A-Z]){2}([0-9]){2}
which means two ints, two [capital] letters and two ints. Good Luck!
After discarding all un needed info from the message
Intent intent = new Intent("AddedItem");
intent.putExtra("items", code);
LocalBroadcastManager.getInstance(getActivity()).sendBroadcast(intent);
And the Fragment/Activity receiving it
@Override
public void onResume() {
LocalBroadcastManager.getInstance(getActivity()).registerReceiver(receiver, new IntentFilter("AddedItem"));
super.onResume();
}
@Override
public void onPause() {
super.onDestroy();
LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(receiver);
}
And the code meant to handle the payload you collected
private BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction()) {
final String message = intent.getStringExtra("message");
//Do whatever you want with the code here
}
}
};
Does that help a little bit. I did it better by using Callbacks
https://www.postgresql.org/docs/8.4/functions-formatting.html
SELECT to_char(date_field, 'DD/MM/YYYY')
FROM table
There is a similar question Extract main domain name from a given url. If you take a look at this answer , you will see that it is very easy. You just need to use java.net.URL
and String
utility - Split
It does it:
myString.substr(-1);
This returns a substring of myString starting at one character from the end: the last character.
This also works:
myString.charAt(myString.length-1);
And this too:
myString.slice(-1);
I think you've pretty much nailed the points!
If you follow database design best practices and your primary key is never updatable (which I think should always be the case anyway), then you never really need the ON UPDATE CASCADE
clause.
Zed made a good point, that if you use a natural key (e.g. a regular field from your database table) as your primary key, then there might be certain situations where you need to update your primary keys. Another recent example would be the ISBN (International Standard Book Numbers) which changed from 10 to 13 digits+characters not too long ago.
This is not the case if you choose to use surrogate (e.g. artifically system-generated) keys as your primary key (which would be my preferred choice in all but the most rare occasions).
So in the end: if your primary key never changes, then you never need the ON UPDATE CASCADE
clause.
Marc
In newer Facebook SDK, the login and logout text name is :
<com.facebook.login.widget.LoginButton
xmlns:facebook="http://schemas.android.com/apk/res-auto"
facebook:com_facebook_login_text=""
facebook:com_facebook_logout_text=""/>
if you are add jre and jkd path, remove jre install path, keep jdk path is work
I needed something similar, but to search for multidimensional array by value... I took John example and wrote
function _search_array_by_value($array, $value) {
$results = array();
if (is_array($array)) {
$found = array_search($value,$array);
if ($found) {
$results[] = $found;
}
foreach ($array as $subarray)
$results = array_merge($results, $this->_search_array_by_value($subarray, $value));
}
return $results;
}
I hope it helps somebody :)
I think it's a more recent feature, but it works for me:
Double clicking the square on the bottom right of the highlighted cell copies the formula of the highlighted cell.
Hope it helps.
#include <stdio.h>
typedef void (*fp) (int);
void stop(int i)
{
printf("\n");
}
void next(int i);
fp options[2] = { next, stop };
void next(int i)
{
printf("%d ", i);
options[i/1000](++i);
}
int main(void)
{
next(1);
return 0;
}
EDIT: So facebook has changed it again! No more searching by username - have amended the answer below...
https://graph.facebook.com/{{UID}}/picture?redirect=false&height=200&width=200
e.g. https://graph.facebook.com/4/picture?redirect=false&height=200&width=200
properties-maven-plugin plugin may help:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>properties-maven-plugin</artifactId>
<version>1.0.0</version>
<executions>
<execution>
<goals>
<goal>set-system-properties</goal>
</goals>
<configuration>
<properties>
<property>
<name>my.property.name</name>
<value>my.property.value</value>
</property>
</properties>
</configuration>
</execution>
</executions>
</plugin>
The notation that is used in
a[::-1]
means that for a given string/list/tuple, you can slice the said object using the format
<object_name>[<start_index>, <stop_index>, <step>]
This means that the object is going to slice every "step" index from the given start index, till the stop index (excluding the stop index) and return it to you.
In case the start index or stop index is missing, it takes up the default value as the start index and stop index of the given string/list/tuple. If the step is left blank, then it takes the default value of 1 i.e it goes through each index.
So,
a = '1234'
print a[::2]
would print
13
Now the indexing here and also the step count, support negative numbers. So, if you give a -1 index, it translates to len(a)-1 index. And if you give -x as the step count, then it would step every x'th value from the start index, till the stop index in the reverse direction. For example
a = '1234'
print a[3:0:-1]
This would return
432
Note, that it doesn't return 4321 because, the stop index is not included.
Now in your case,
str(int(a[::-1]))
would just reverse a given integer, that is stored in a string, and then convert it back to a string
i.e "1234" -> "4321" -> 4321 -> "4321"
If what you are trying to do is just reverse the given string, then simply a[::-1] would work .
Actually you don't need "install" or "compile" anything before using Boost in your project. You can just download and extract the Boost library to any location on your machine, which is usually like /usr/local/
.
When you compile your code, you can just indicate the compiler where to find the libraries by -I
. For example, g++ -I /usr/local/boost_1_59_0 xxx.hpp
.
I have researched a lot for cleaning Backstack, and finally see Transaction BackStack and its management. Here is the solution that worked best for me.
// CLEAR BACK STACK.
private void clearBackStack() {
final FragmentManager fragmentManager = getSupportFragmentManager();
while (fragmentManager.getBackStackEntryCount() != 0) {
fragmentManager.popBackStackImmediate();
}
}
The above method loops over all the transactions in the backstack and removes them immediately one at a time.
Note: above code sometime not work and i face ANR because of this code,so please do not try this.
Update below method remove all fregment of that "name" from backstack.
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.popBackStack("name",FragmentManager.POP_BACK_STACK_INCLUSIVE);
Could you not cast your result as numeric(x,2)
? Where x <= 38
select
round(630/60.0,2),
cast(round(630/60.0,2) as numeric(36,2))
Returns
10.500000 10.50
php artisan make:model PurchaseRequest -crm
The Result is
Model created successfully.
Created Migration: 2018_11_11_011541_create_purchase_requests_table
Controller created successfully.
Just use -crm instead of -mcr
It can happen if you don't have enough privileges.
Type su
, enter root password and try again.
I use ciso8601
, which is 62x faster than datetime's strptime.
t = "01/12/2011"
ts = ciso8601.parse_datetime(t)
# to get time in seconds:
time.mktime(ts.timetuple())
You can learn more here.
If you have a hash, you can add items to it by referencing them by key:
hash = { }
hash[:a] = 'a'
hash[:a]
# => 'a'
Here, like [ ]
creates an empty array, { }
will create a empty hash.
Arrays have zero or more elements in a specific order, where elements may be duplicated. Hashes have zero or more elements organized by key, where keys may not be duplicated but the values stored in those positions can be.
Hashes in Ruby are very flexible and can have keys of nearly any type you can throw at it. This makes it different from the dictionary structures you find in other languages.
It's important to keep in mind that the specific nature of a key of a hash often matters:
hash = { :a => 'a' }
# Fetch with Symbol :a finds the right value
hash[:a]
# => 'a'
# Fetch with the String 'a' finds nothing
hash['a']
# => nil
# Assignment with the key :b adds a new entry
hash[:b] = 'Bee'
# This is then available immediately
hash[:b]
# => "Bee"
# The hash now contains both keys
hash
# => { :a => 'a', :b => 'Bee' }
Ruby on Rails confuses this somewhat by providing HashWithIndifferentAccess where it will convert freely between Symbol and String methods of addressing.
You can also index on nearly anything, including classes, numbers, or other Hashes.
hash = { Object => true, Hash => false }
hash[Object]
# => true
hash[Hash]
# => false
hash[Array]
# => nil
Hashes can be converted to Arrays and vice-versa:
# Like many things, Hash supports .to_a
{ :a => 'a' }.to_a
# => [[:a, "a"]]
# Hash also has a handy Hash[] method to create new hashes from arrays
Hash[[[:a, "a"]]]
# => {:a=>"a"}
When it comes to "inserting" things into a Hash you may do it one at a time, or use the merge
method to combine hashes:
{ :a => 'a' }.merge(:b => 'b')
# {:a=>'a',:b=>'b'}
Note that this does not alter the original hash, but instead returns a new one. If you want to combine one hash into another, you can use the merge!
method:
hash = { :a => 'a' }
# Returns the result of hash combined with a new hash, but does not alter
# the original hash.
hash.merge(:b => 'b')
# => {:a=>'a',:b=>'b'}
# Nothing has been altered in the original
hash
# => {:a=>'a'}
# Combine the two hashes and store the result in the original
hash.merge!(:b => 'b')
# => {:a=>'a',:b=>'b'}
# Hash has now been altered
hash
# => {:a=>'a',:b=>'b'}
Like many methods on String and Array, the !
indicates that it is an in-place operation.
C++11 lambdas can't be templated as stated in other answers but decltype()
seems to help when using a lambda within a templated class or function.
#include <iostream>
#include <string>
using namespace std;
template<typename T>
void boring_template_fn(T t){
auto identity = [](decltype(t) t){ return t;};
std::cout << identity(t) << std::endl;
}
int main(int argc, char *argv[]) {
std::string s("My string");
boring_template_fn(s);
boring_template_fn(1024);
boring_template_fn(true);
}
Prints:
My string
1024
1
I've found this technique is helps when working with templated code but realize it still means lambdas themselves can't be templated.
Don't just say "memory pool of strings is reused in the literal form, case closed". What compilers do under the hood is not the point here. The question is reasonable, specially given the number of up-votes it received.
It's about the symmetry, without it APIs are harder to use for humans. Early Java SDKs notoriously ignored the rule and now it's kind of too late. Here are a few examples on top of my head, feel free to chip in your "favorite" example:
SELECT DATE_FORMAT(somedate, "%d/%m/%Y") AS formatted_date
..........
ORDER BY formatted_date DESC
I understand the current answer but needed a more clear example. Here is an example of what I used with an Adapter
(RecyclerView.Adapter) and an Activity
.
This will implement the interface
that we have in our Adapter
. In this example, it will be called when the user clicks on an item in the RecyclerView
.
public class MyActivity extends Activity implements AdapterCallback {
private MyAdapter myAdapter;
@Override
public void onMethodCallback() {
// do something
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
myAdapter = new MyAdapter(this);
}
}
In the Activity
, we initiated our Adapter
and passed this as an argument to the constructer. This will initiate our interface
for our callback method. You can see that we use our callback method for user clicks.
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
private AdapterCallback adapterCallback;
public MyAdapter(Context context) {
try {
adapterCallback = ((AdapterCallback) context);
} catch (ClassCastException e) {
throw new ClassCastException("Activity must implement AdapterCallback.", e);
}
}
@Override
public void onBindViewHolder(MyAdapter.ViewHolder viewHolder, int position) {
// simple example, call interface here
// not complete
viewHolder.itemView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
try {
adapterCallback.onMethodCallback();
} catch (ClassCastException e) {
// do something
}
}
});
}
public static interface AdapterCallback {
void onMethodCallback();
}
}
For those of us who this above valid solution didnt work, there's another workaround here
searchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View view, boolean isFocused) {
if(!isFocused)
{
Toast.makeText(MainActivity.this,"not focused",Toast.LENGTH_SHORT).show();
}
}
});
All of the prior solutions get at the point a little, however, they just don't copy everything over. I created a PHP function (albeit somewhat lengthy) that copies everything including tables, foreign keys, data, views, procedures, functions, triggers, and events. Here is the code:
/* This function takes the database connection, an existing database, and the new database and duplicates everything in the new database. */
function copyDatabase($c, $oldDB, $newDB) {
// creates the schema if it does not exist
$schema = "CREATE SCHEMA IF NOT EXISTS {$newDB};";
mysqli_query($c, $schema);
// selects the new schema
mysqli_select_db($c, $newDB);
// gets all tables in the old schema
$tables = "SELECT table_name
FROM information_schema.tables
WHERE table_schema = '{$oldDB}'
AND table_type = 'BASE TABLE'";
$results = mysqli_query($c, $tables);
// checks if any tables were returned and recreates them in the new schema, adds the foreign keys, and inserts the associated data
if (mysqli_num_rows($results) > 0) {
// recreates all tables first
while ($row = mysqli_fetch_array($results)) {
$table = "CREATE TABLE {$newDB}.{$row[0]} LIKE {$oldDB}.{$row[0]}";
mysqli_query($c, $table);
}
// resets the results to loop through again
mysqli_data_seek($results, 0);
// loops through each table to add foreign key and insert data
while ($row = mysqli_fetch_array($results)) {
// inserts the data into each table
$data = "INSERT IGNORE INTO {$newDB}.{$row[0]} SELECT * FROM {$oldDB}.{$row[0]}";
mysqli_query($c, $data);
// gets all foreign keys for a particular table in the old schema
$fks = "SELECT constraint_name, column_name, table_name, referenced_table_name, referenced_column_name
FROM information_schema.key_column_usage
WHERE referenced_table_name IS NOT NULL
AND table_schema = '{$oldDB}'
AND table_name = '{$row[0]}'";
$fkResults = mysqli_query($c, $fks);
// checks if any foreign keys were returned and recreates them in the new schema
// Note: ON UPDATE and ON DELETE are not pulled from the original so you would have to change this to your liking
if (mysqli_num_rows($fkResults) > 0) {
while ($fkRow = mysqli_fetch_array($fkResults)) {
$fkQuery = "ALTER TABLE {$newDB}.{$row[0]}
ADD CONSTRAINT {$fkRow[0]}
FOREIGN KEY ({$fkRow[1]}) REFERENCES {$newDB}.{$fkRow[3]}({$fkRow[1]})
ON UPDATE CASCADE
ON DELETE CASCADE;";
mysqli_query($c, $fkQuery);
}
}
}
}
// gets all views in the old schema
$views = "SHOW FULL TABLES IN {$oldDB} WHERE table_type LIKE 'VIEW'";
$results = mysqli_query($c, $views);
// checks if any views were returned and recreates them in the new schema
if (mysqli_num_rows($results) > 0) {
while ($row = mysqli_fetch_array($results)) {
$view = "SHOW CREATE VIEW {$oldDB}.{$row[0]}";
$viewResults = mysqli_query($c, $view);
$viewRow = mysqli_fetch_array($viewResults);
mysqli_query($c, preg_replace("/CREATE(.*?)VIEW/", "CREATE VIEW", str_replace($oldDB, $newDB, $viewRow[1])));
}
}
// gets all triggers in the old schema
$triggers = "SELECT trigger_name, action_timing, event_manipulation, event_object_table, created
FROM information_schema.triggers
WHERE trigger_schema = '{$oldDB}'";
$results = mysqli_query($c, $triggers);
// checks if any triggers were returned and recreates them in the new schema
if (mysqli_num_rows($results) > 0) {
while ($row = mysqli_fetch_array($results)) {
$trigger = "SHOW CREATE TRIGGER {$oldDB}.{$row[0]}";
$triggerResults = mysqli_query($c, $trigger);
$triggerRow = mysqli_fetch_array($triggerResults);
mysqli_query($c, str_replace($oldDB, $newDB, $triggerRow[2]));
}
}
// gets all procedures in the old schema
$procedures = "SHOW PROCEDURE STATUS WHERE db = '{$oldDB}'";
$results = mysqli_query($c, $procedures);
// checks if any procedures were returned and recreates them in the new schema
if (mysqli_num_rows($results) > 0) {
while ($row = mysqli_fetch_array($results)) {
$procedure = "SHOW CREATE PROCEDURE {$oldDB}.{$row[1]}";
$procedureResults = mysqli_query($c, $procedure);
$procedureRow = mysqli_fetch_array($procedureResults);
mysqli_query($c, str_replace($oldDB, $newDB, $procedureRow[2]));
}
}
// gets all functions in the old schema
$functions = "SHOW FUNCTION STATUS WHERE db = '{$oldDB}'";
$results = mysqli_query($c, $functions);
// checks if any functions were returned and recreates them in the new schema
if (mysqli_num_rows($results) > 0) {
while ($row = mysqli_fetch_array($results)) {
$function = "SHOW CREATE FUNCTION {$oldDB}.{$row[1]}";
$functionResults = mysqli_query($c, $function);
$functionRow = mysqli_fetch_array($functionResults);
mysqli_query($c, str_replace($oldDB, $newDB, $functionRow[2]));
}
}
// selects the old schema (a must for copying events)
mysqli_select_db($c, $oldDB);
// gets all events in the old schema
$query = "SHOW EVENTS
WHERE db = '{$oldDB}';";
$results = mysqli_query($c, $query);
// selects the new schema again
mysqli_select_db($c, $newDB);
// checks if any events were returned and recreates them in the new schema
if (mysqli_num_rows($results) > 0) {
while ($row = mysqli_fetch_array($results)) {
$event = "SHOW CREATE EVENT {$oldDB}.{$row[1]}";
$eventResults = mysqli_query($c, $event);
$eventRow = mysqli_fetch_array($eventResults);
mysqli_query($c, str_replace($oldDB, $newDB, $eventRow[3]));
}
}
}
Complementing @lasse-v-karlsen answer. To unblock all files recursively, run from powershell as administrator inside the folder you want:
gci -recurse | Unblock-File
source link:
How to Unblock Files Downloaded from Internet? - Winhelponline
https://www.winhelponline.com/blog/bulk-unblock-files-downloaded-internet/
There is not any safe way to include php
file into js
.
One thing you can do as define
your php file data as javascript global variable
in php file. for example i have three variable which i want to use as js.
abc.php
<?php
$abc = "Abc";
$number = 052;
$mydata = array("val1","val2","val3");
?>
<script type="text/javascript">
var abc = '<?php echo $abc?>';
var number = '<?php echo $number ?>';
var mydata = <?php echo json_encode($mydata); ?>;
</script>
After use
it directly in your js file
wherever you want to use.
abc.js
function test(){
alert('Print php variable : '+ abc +', '+number);
}
function printArrVar(){
alert('print php array variable : '+ JSON.stringify(mydata));
}
Beside If you have any critical data which you don't want to show publicly then you can encrypt data with js. and also get original value of it's from js so no one can get it's original value. if they show into publicly.
this is the standard way you can call php script data into js file without including js into php code or php script into js.
The A div can actually be made without :before
or :after
selector but using linear gradient as your first try. The only difference is that you must specify 4 positions. Dark grey from 0 to 50% and ligth grey from 50% to 100% like this:
background: linear-gradient(to right, #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%);
As you know, B div is made from a linear gradient having 2 positions like this:
background: linear-gradient(to right, #9c9e9f 0%,#f6f6f6 100%);
For the C div, i use the same kind of gradient as div A ike this:
background: linear-gradient(to right, #9c9e9f 0%,#9c9e9f 50%,#33ccff 50%,#33ccff 100%);
But this time i used the :after
selector with a white background like if the second part of your div was smaller. * Please note that I added a better alternative below.
Check this jsfiddle or the snippet below for complete cross-browser code.
div{_x000D_
position:relative;_x000D_
width:80%;_x000D_
height:100px;_x000D_
color:red;_x000D_
text-align:center;_x000D_
line-height:100px;_x000D_
margin-bottom:10px;_x000D_
}_x000D_
_x000D_
.a{_x000D_
background: #9c9e9f; /* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%); /* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%,#9c9e9f), color-stop(50%,#9c9e9f), color-stop(50%,#f6f6f6), color-stop(100%,#f6f6f6)); /* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%,#9c9e9f 50%,#f6f6f6 50%,#f6f6f6 100%); /* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6',GradientType=1 ); /* IE6-9 */_x000D_
}_x000D_
_x000D_
.b{_x000D_
background: #9c9e9f; /* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #f6f6f6 100%); /* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%,#9c9e9f), color-stop(100%,#f6f6f6)); /* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%,#f6f6f6 100%); /* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%,#f6f6f6 100%); /* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%,#f6f6f6 100%); /* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%,#f6f6f6 100%); /* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6',GradientType=1 ); /* IE6-9 */_x000D_
}_x000D_
_x000D_
.c{ _x000D_
background: #9c9e9f; /* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #33ccff 50%, #33ccff 100%); /* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%,#9c9e9f), color-stop(50%,#9c9e9f), color-stop(50%,#33ccff), color-stop(100%,#33ccff)); /* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#33ccff 50%,#33ccff 100%); /* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#33ccff 50%,#33ccff 100%); /* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%,#9c9e9f 50%,#33ccff 50%,#33ccff 100%); /* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%,#9c9e9f 50%,#33ccff 50%,#33ccff 100%); /* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#33ccff',GradientType=1 ); /* IE6-9 */_x000D_
}_x000D_
.c:after{_x000D_
content:"";_x000D_
position:absolute;_x000D_
right:0;_x000D_
bottom:0;_x000D_
width:50%;_x000D_
height:20%;_x000D_
background-color:white;_x000D_
}
_x000D_
<div class="a">A</div>_x000D_
<div class="b">B</div>_x000D_
<div class="c">C</div>
_x000D_
There is also an alternative for the C div without using a white background to hide the a part of the second section.
Instead, we make the second part transparent and we use the :after
selector to act as a colored background with the desired position and size.
See this jsfiddle or the snippet below for this updated solution.
div {_x000D_
position: relative;_x000D_
width: 80%;_x000D_
height: 100px;_x000D_
color: red;_x000D_
text-align: center;_x000D_
line-height: 100px;_x000D_
margin-bottom: 10px;_x000D_
}_x000D_
_x000D_
.a {_x000D_
background: #9c9e9f;_x000D_
/* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%);_x000D_
/* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%, #9c9e9f), color-stop(50%, #9c9e9f), color-stop(50%, #f6f6f6), color-stop(100%, #f6f6f6));_x000D_
/* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%);_x000D_
/* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%);_x000D_
/* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%);_x000D_
/* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%, #9c9e9f 50%, #f6f6f6 50%, #f6f6f6 100%);_x000D_
/* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6', GradientType=1);_x000D_
/* IE6-9 */_x000D_
}_x000D_
_x000D_
.b {_x000D_
background: #9c9e9f;_x000D_
/* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #f6f6f6 100%);_x000D_
/* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%, #9c9e9f), color-stop(100%, #f6f6f6));_x000D_
/* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%, #f6f6f6 100%);_x000D_
/* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%, #f6f6f6 100%);_x000D_
/* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%, #f6f6f6 100%);_x000D_
/* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%, #f6f6f6 100%);_x000D_
/* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#f6f6f6', GradientType=1);_x000D_
/* IE6-9 */_x000D_
}_x000D_
_x000D_
.c {_x000D_
background: #9c9e9f;_x000D_
/* Old browsers */_x000D_
background: -moz-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0) 100%);_x000D_
/* FF3.6+ */_x000D_
background: -webkit-gradient(linear, left top, right top, color-stop(0%, #9c9e9f), color-stop(50%, #9c9e9f), color-stop(50%, rgba(0, 0, 0, 0)), color-stop(100%, rgba(0, 0, 0, 0)));_x000D_
/* Chrome,Safari4+ */_x000D_
background: -webkit-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0) 100%);_x000D_
/* Chrome10+,Safari5.1+ */_x000D_
background: -o-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0) 100%);_x000D_
/* Opera 11.10+ */_x000D_
background: -ms-linear-gradient(left, #9c9e9f 0%, #9c9e9f 50%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0) 100%);_x000D_
/* IE10+ */_x000D_
background: linear-gradient(to right, #9c9e9f 0%, #9c9e9f 50%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0) 100%);_x000D_
/* W3C */_x000D_
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#9c9e9f', endColorstr='#ffffff00', GradientType=1);_x000D_
/* IE6-9 */_x000D_
}_x000D_
_x000D_
.c:after {_x000D_
content: "";_x000D_
position: absolute;_x000D_
right: 0;_x000D_
top: 0;_x000D_
width: 50%;_x000D_
height: 80%;_x000D_
background-color: #33ccff;_x000D_
z-index: -1_x000D_
}
_x000D_
<div class="a">A</div>_x000D_
<div class="b">B</div>_x000D_
<div class="c">C</div>
_x000D_
TensorFlow 2.3.0 works fine with CUDA 11. But you have to install tf-nightly-gpu (after you installed tensorflow and CUDA 11): https://pypi.org/project/tf-nightly-gpu/
Try:
pip install tf-nightly-gpu
Afterwards you'll get the message in your console:
I tensorflow/stream_executor/platform/default/dso_loader.cc:48] Successfully opened dynamic library cudart64_110.dll
This event is fired when the initial HTML document has been completely loaded and parsed, without waiting for stylesheets, images, and subframes to finish loading. At this stage you could programmatically optimize loading of images and css based on user device or bandwidth speed.
Executes after DOM is loaded (before img and css):
document.addEventListener("DOMContentLoaded", function(){
//....
});
Note: Synchronous JavaScript pauses parsing of the DOM. If you want the DOM to get parsed as fast as possible after the user requested the page, you could turn your JavaScript asynchronous and optimize loading of stylesheets
A very different event, load, should only be used to detect a fully-loaded page. It is an incredibly popular mistake to use load where DOMContentLoaded would be much more appropriate, so be cautious.
Exectues after everything is loaded and parsed:
window.addEventListener("load", function(){
// ....
});
MDN Resources:
https://developer.mozilla.org/en-US/docs/Web/Events/DOMContentLoaded https://developer.mozilla.org/en-US/docs/Web/Events/load
MDN list of all events:
We can simply convert the JSON into readable string, and split it using "split" method of String class.
String jsonAsString = yourJsonArray.toString();
//we need to remove the leading and the ending quotes and square brackets
jsonAsString = jsonAsString.substring(2, jsonAsString.length() -2);
//split wherever the String contains ","
String[] jsonAsStringArray = jsonAsString.split("\",\"");
The easiest way is to use a StringContent
, with the JSON representation of your JSON object.
httpClient.Post(
"",
new StringContent(
myObject.ToString(),
Encoding.UTF8,
"application/json"));
I haven't studied yet, when Maven does which look-up, but to get stable and reproducible builds, I strongly recommend not to access Maven Respositories directly but to use a Maven Repository Manager such as Nexus.
Here is the tutorial how to set up your settings file:
http://books.sonatype.com/nexus-book/reference/maven-sect-single-group.html
Google will eventually block your IP when you exceed a certain amount of requests.
Simply this, no extra div or JavaScript needed, just pure CSS (jsfiddle demo):
HTML
<a href="javascript:alert('Hello!')" class="changesImgOnHover">
<img src="http://dummyimage.com/50x25/00f/ff0.png&text=Hello!" alt="Hello!">
</a>
CSS
.changesImgOnHover {
display: inline-block; /* or just block */
width: 50px;
background: url('http://dummyimage.com/50x25/0f0/f00.png&text=Hello!') no-repeat;
}
.changesImgOnHover:hover img {
visibility: hidden;
}
begin
var_number := 10;
if var_number > 100 then
dbms_output.put_line(var_number||' is greater than 100');
else if var_number < 100 then
dbms_output.put_line(var_number||' is less than 100');
else
dbms_output.put_line(var_number||' is equal to 100');
end if;
end if;
this will help you in - convert first letter of each word to uppercase
<script>
/* convert First Letter UpperCase */
$('#txtField').on('keyup', function (e) {
var txt = $(this).val();
$(this).val(txt.replace(/^(.)|\s(.)/g, function ($1) {
return $1.toUpperCase( );
}));
});
</script>
Example : this is a title case sentence -> This Is A Title Case Sentence
Update:
Now you should use new availability checking introduced with Swift 2:
e.g. To check for iOS 9.0 or later at compile time use this:
if #available(iOS 9.0, *) {
// use UIStackView
} else {
// show sad face emoji
}
or can be used with whole method or class
@available(iOS 9.0, *)
func useStackView() {
// use UIStackView
}
For more info see this.
Run time checks:
if you don't want exact version but want to check iOS 9,10 or 11 using if:
let floatVersion = (UIDevice.current.systemVersion as NSString).floatValue
EDIT: Just found another way to achieve this:
let iOS8 = floor(NSFoundationVersionNumber) > floor(NSFoundationVersionNumber_iOS_7_1)
let iOS7 = floor(NSFoundationVersionNumber) <= floor(NSFoundationVersionNumber_iOS_7_1)
Simply use super.alphaMethod1();
SELECT COALESCE(sum(CASE WHEN myCol THEN 1 ELSE 0 END),0) FROM <table name>
or, as you found out for yourself:
SELECT count(CASE WHEN myCol THEN 1 END) FROM <table name>
Position Relative:
If you specify position:relative, then you can use top or bottom, and left or right to move the element relative to where it would normally occur in the document.
Position Absolute:
When you specify position:absolute, the element is removed from the document and placed exactly where you tell it to go.
Here is a good tutorial http://www.barelyfitz.com/screencast/html-training/css/positioning/ with the sample usage of both position with respective to absolute and relative positioning.