import base64
coded_string = '''Q5YACgA...'''
base64.b64decode(coded_string)
worked for me. At the risk of pasting an offensively-long result, I got:
>>> base64.b64decode(coded_string)
2: 'C\x96\x00\n\x00\x00\x00\x00C\x96\x00\x1b\x00\x00\x00\x00C\x96\x00-\x00\x00\x00\x00C\x96\x00?\x00\x00\x00\x00C\x96\x07M\x00\x00\x00\x00C\x96\x07_\x00\x00\x00\x00C\x96\x07p\x00\x00\x00\x00C\x96\x07\x82\x00\x00\x00\x00C\x96\x07\x94\x00\x00\x00\x00C\x96\x07\xa6Cq\xf0\x7fC\x96\x07\xb8DJ\x81\xc7C\x96\x07\xcaD\xa5\x9dtC\x96\x07\xdcD\xb6\x97\x11C\x96\x07\xeeD\x8b\x8flC\x96\x07\xffD\x03\xd4\xaaC\x96\x08\x11B\x05&\xdcC\x96\x08#\x00\x00\x00\x00C\x96\x085C\x0c\xc9\xb7C\x96\x08GCy\xc0\xebC\x96\x08YC\x81\xa4xC\x96\x08kC\x0f@\x9bC\x96\x08}\x00\x00\x00\x00C\x96\x08\x8e\x00\x00\x00\x00C\x96\x08\xa0\x00\x00\x00\x00C\x96\x08\xb2\x00\x00\x00\x00C\x96\x86\xf9\x00\x00\x00\x00C\x96\x87\x0b\x00\x00\x00\x00C\x96\x87\x1d\x00\x00\x00\x00C\x96\x87/\x00\x00\x00\x00C\x96\x87AA\x0b\xe7PC\x96\x87SCI\xf5gC\x96\x87eC\xd4J\xeaC\x96\x87wD\r\x17EC\x96\x87\x89D\x00F6C\x96\x87\x9bC\x9cg\xdeC\x96\x87\xadB\xd56\x0cC\x96\x87\xbf\x00\x00\x00\x00C\x96\x87\xd1\x00\x00\x00\x00C\x96\x87\xe3\x00\x00\x00\x00C\x96\x87\xf5\x00\x00\x00\x00C\x9cY}\x00\x00\x00\x00C\x9cY\x90\x00\x00\x00\x00C\x9cY\xa4\x00\x00\x00\x00C\x9cY\xb7\x00\x00\x00\x00C\x9cY\xcbC\x1f\xbd\xa3C\x9cY\xdeCCz{C\x9cY\xf1CD\x02\xa7C\x9cZ\x05C+\x9d\x97C\x9cZ\x18C\x03R\xe3C\x9cZ,\x00\x00\x00\x00C\x9cZ?
[stuff omitted as it exceeded SO's body length limits]
\xbb\x00\x00\x00\x00D\xc5!7\x00\x00\x00\x00D\xc5!\xb2\x00\x00\x00\x00D\xc7\x14x\x00\x00\x00\x00D\xc7\x14\xf6\x00\x00\x00\x00D\xc7\x15t\x00\x00\x00\x00D\xc7\x15\xf2\x00\x00\x00\x00D\xc7\x16pC5\x9f\xf9D\xc7\x16\xeeC[\xb5\xf5D\xc7\x17lCG\x1b;D\xc7\x17\xeaB\xe3\x0b\xa6D\xc7\x18h\x00\x00\x00\x00D\xc7\x18\xe6\x00\x00\x00\x00D\xc7\x19d\x00\x00\x00\x00D\xc7\x19\xe2\x00\x00\x00\x00D\xc7\xfe\xb4\x00\x00\x00\x00D\xc7\xff3\x00\x00\x00\x00D\xc7\xff\xb2\x00\x00\x00\x00D\xc8\x001\x00\x00\x00\x00'
What problem are you having, specifically?
I think you want to specify
-H "Content-Type:text/xml"
with a colon, not an equals.
Change the resolution of your operating system running in VMware and hope it will stretch the screen when chosen the correct values
The visual studio default setting should be the same as the interpreter path.
Change VS code default setting: windows: File > Preferences > Settings
{
"python.pythonPath": "C:\\Users\\Anaconda3\\pythonw.exe",
"workbench.startupEditor": "newUntitledFile"
}
Find the right interpreter: windows: Ctrl+Shift+P->select interpreter:
the path of that interpreter should be same as the version you are working on.
SHA-1 produces a 160-bit message (20 bytes), too large to be stored in an int
or long
value. As Ralph suggests, you could use BigInteger.
To get a (less-secure) int hash, you could return the hash code of the returned byte array.
Alternatively, if you don't really need SHA at all, you could just use the UUID's String hash code.
According to MSDN maxAllowedContentLength
has type uint
, its maximum value is 4,294,967,295 bytes = 3,99 gb
So it should work fine.
See also Request Limits article. Does IIS return one of these errors when the appropriate section is not configured at all?
See also: Maximum request length exceeded
Your error might be in this line:
List<Long> result = query.list();
where query.list() is returning a BigInteger List instead of Long list. Try to change it to.
List<BigInteger> result = query.list();
I want to add something.
Actually, Task.Delay
is a timer based wait mechanism. If you look at the source you would find a reference to a Timer
class which is responsible for the delay. On the other hand Thread.Sleep
actually makes current thread to sleep, that way you are just blocking and wasting one thread. In async programming model you should always use Task.Delay()
if you want something(continuation) happen after some delay.
(For those who read all answers). My case was simply the fact that I created a SQL expression using the format Forms!Table!Control. That format is Ok within a query, but DAO doesn't recognize it. I'm surprised that nobody commented this.
This doesn't work:
Dim rs As DAO.Recordset, strSQL As String
strSQL = "SELECT * FROM Table1 WHERE Name = Forms!Table!Control;"
Set rs = CurrentDb.OpenRecordset(strSQL)
This is Ok:
Dim rs As DAO.Recordset, strSQL, val As String
val = Forms!Table!Control
strSQL = "SELECT * FROM Table1 WHERE Name = '" & val & "';"
Set rs = CurrentDb.OpenRecordset(strSQL)
Probably is the use of the "on" event that Bootstrap use a lot and was inserted at jQuery 1.7 http://api.jquery.com/on/
Screen Size Class
-
Hidden on all .d-none
Hidden only on xs .d-none .d-sm-block
Hidden only on sm .d-sm-none .d-md-block
Hidden only on md .d-md-none .d-lg-block
Hidden only on lg .d-lg-none .d-xl-block
Hidden only on xl .d-xl-none
Visible on all .d-block
Visible only on xs .d-block .d-sm-none
Visible only on sm .d-none .d-sm-block .d-md-none
Visible only on md .d-none .d-md-block .d-lg-none
Visible only on lg .d-none .d-lg-block .d-xl-none
Visible only on xl .d-none .d-xl-block
Refer this link http://getbootstrap.com/docs/4.0/utilities/display/#hiding-elements
4.5 link: https://getbootstrap.com/docs/4.5/utilities/display/#hiding-elements
I restarted SQL Server (Sharepoint) service and it solved the issue.
column pct_free format 999.99
select
used.tablespace_name,
(reserv.maxbytes - used.bytes)*100/reserv.maxbytes pct_free,
used.bytes/1024/1024/1024 used_gb,
reserv.maxbytes/1024/1024/1024 maxgb,
reserv.bytes/1024/1024/1024 gb,
(reserv.maxbytes - used.bytes)/1024/1024/1024 "max free bytes",
reserv.datafiles
from
(select tablespace_name, count(1) datafiles, sum(greatest(maxbytes,bytes)) maxbytes, sum(bytes) bytes from dba_data_files group by tablespace_name) reserv,
(select tablespace_name, sum(bytes) bytes from dba_segments group by tablespace_name) used
where used.tablespace_name = reserv.tablespace_name
order by 2
/
This is really just an expansion of BBB's answer which lead to to get my experiment working.
This script will simply create a file /tmp/testfile when you click on the button that says "Open Script".
This requires 3 files.
The File Tree:
root@test:/var/www/html# tree testscript/
testscript/
+-- index.html
+-- testexec.php
+-- test.sh
1. The main WebPage:
root@test:/var/www/html# cat testscript/index.html
<form action="/testscript/testexec.php">
<input type="submit" value="Open Script">
</form>
2. The PHP Page that runs the script and redirects back to the main page:
root@test:/var/www/html# cat testscript/testexec.php
<?php
shell_exec("/var/www/html/testscript/test.sh");
header('Location: http://192.168.1.222/testscript/index.html?success=true');
?>
3. The Script :
root@test:/var/www/html# cat testscript/test.sh
#!/bin/bash
touch /tmp/testfile
This is a bit high-level answer for applications which want to seamlessly fit into the Windows environment. Technical details of playing particular sound were provided in other answers. Besides that, always note these two points:
Use five standard system sounds in typical scenarios, i.e.
Asterisk - play when you want to highlight current event
Question - play with questions (system message box window plays this one)
Exclamation - play with excalamation icon (system message box window plays this one)
Beep (default system sound)
Critical stop ("Hand") - play with error (system message box window plays this one)
Methods of class System.Media.SystemSounds
will play them for you.
Implement any other sounds as customizable by your users in Sound control panel
Yes, this is a current issue in Chrome. There is an issue report here.
The fix will appear in 40.x.y.z versions.
Until then? I don't think you can resolve the issue yourself. But you can ignore it. The shown error is only related to the dev tools and does not influence the behavior of your website. If you have any other problems they are not related to this error.
Solved, no fuss. You can be lazy and use jsonify, all you need to do is pass in items=[your list].
Take a look here for the solution
Login is depending upon the AMI which you have created. Use left hand side data as a username while doing login.
ubuntu- ubuntu AMIs
ec2-user- Amazon Linux AMI
centos- Centos AMI
debian or root- Debian AMIs6
ec2-user or fedora- Fedora
Yes, use the rendered
attribute.
<h:form rendered="#{some boolean condition}">
You usually tie it to the model rather than letting the model grab the component and manipulate it.
E.g.
<h:form rendered="#{bean.booleanValue}" />
<h:form rendered="#{bean.intValue gt 10}" />
<h:form rendered="#{bean.objectValue eq null}" />
<h:form rendered="#{bean.stringValue ne 'someValue'}" />
<h:form rendered="#{not empty bean.collectionValue}" />
<h:form rendered="#{not bean.booleanValue and bean.intValue ne 0}" />
<h:form rendered="#{bean.enumValue eq 'ONE' or bean.enumValue eq 'TWO'}" />
Note the importance of keyword based EL operators such as gt
, ge
, le
and lt
instead of >
, >=
, <=
and <
as angle brackets <
and >
are reserved characters in XML. See also this related Q&A: Error parsing XHTML: The content of elements must consist of well-formed character data or markup.
As to your specific use case, let's assume that the link is passing a parameter like below:
<a href="page.xhtml?form=1">link</a>
You can then show the form as below:
<h:form rendered="#{param.form eq '1'}">
(the #{param}
is an implicit EL object referring to a Map
representing the request parameters)
Today i faced same issue, unfortunately, i was having two aliases in my keystore file.
Solution:
Use the Search all shortcut: Ctrl+Shift+F, then select the folder in the "Where:" box below. (And for Mac, it's ?+Shift+F).
If the root directory for the project is proj, with subdirectories src and aux and you want to search in all subfolders, use the proj folder. To restrict the search to only the src folder, use proj/src in the "Where: " box.
Thought to add this here in case someone finds it useful. @ostrokach already mentioned how you can merge the data frames across rows which is
df_row_merged = pd.concat([df_a, df_b], ignore_index=True)
To merge across columns, you can use the following syntax:
df_col_merged = pd.concat([df_a, df_b], axis=1)
And it works, thanks @trichetriche. The problem was in my RequestOptions
, apparently, you can not pass params
or body
to the RequestOptions
while using the post. Removing one of them gives me an error, removing both and it works. Still no final solution to my problem, but I now have something to work with. Final working code.
public post(cmd: string, data: string): Observable<any> {
const options = new RequestOptions({
headers: this.getAuthorizedHeaders(),
responseType: ResponseContentType.Json,
withCredentials: false
});
console.log('Options: ' + JSON.stringify(options));
return this.http.post(this.BASE_URL, JSON.stringify({
cmd: cmd,
data: data}), options)
.map(this.handleData)
.catch(this.handleError);
}
"location" : null // this is not really an array it's a null object
"location" : [] // this is an empty array
It looks like this API returns null when there is no location defined - instead of returning an empty array, not too unusual really - but they should tell you if they're going to do this.
These methods are in ObjectNode
: the division is such that most read operations are included in JsonNode
, but mutations in ObjectNode
and ArrayNode
.
Note that you can just change first line to be:
ObjectNode jNode = mapper.createObjectNode();
// version ObjectMapper has should return ObjectNode type
or
ObjectNode jNode = (ObjectNode) objectCodec.createObjectNode();
// ObjectCodec is in core part, must be of type JsonNode so need cast
using that code wil give you a responsive video player with full control
<div class="embed-responsive embed-responsive-16by9">
<iframe class="embed-responsive-item" width="640" height="480" src="https://www.youtube-nocookie.com/embed/Lw_e0vF1IB4" frameborder="0" allowfullscreen></iframe>
</div>
Use Ctrl+H for opening Eclipse search dialog, select appropriate search tab and select "Replace..." to get you to the "Search and replace" dialog
Use Max-Age=-1 rather than "Expires". It is shorter, less picky about the syntax, and Max-Age takes precedence over Expires anyway.
Another solution I have found to a similar error but the same error message is to increase the number of service handlers found. (My instance of this error was caused by too many connections in the Weblogic Portal Connection pools.)
SQL*Plus
and login as SYSTEM
. You should know what password you’ve used during the installation of Oracle DB XE.alter system set processes=150 scope=spfile;
in SQL*PlusFrom here:
note - lepl is no longer supported, sorry (you're welcome to use it, and i think the code below works, but it's not going to get updates).
rfc 3696 http://www.faqs.org/rfcs/rfc3696.html defines how to do this (for http urls and email). i implemented its recommendations in python using lepl (a parser library). see http://acooke.org/lepl/rfc3696.html
to use:
> easy_install lepl
...
> python
...
>>> from lepl.apps.rfc3696 import HttpUrl
>>> validator = HttpUrl()
>>> validator('google')
False
>>> validator('http://google')
False
>>> validator('http://google.com')
True
The location=1
part should enable an editable location bar.
As a side note, you can drop the language="javascript"
attribute from your script as it is now deprecated.
update:
Setting the statusbar=1
to the correct parameter status=1
works for me
You can replace an HTML Element
or Node
using Node.replaceWith(newNode)
.
This example should keep all attributes and childs from origin node:
const links = document.querySelectorAll('a')
links.forEach(link => {
const replacement = document.createElement('span')
// copy attributes
for (let i = 0; i < link.attributes.length; i++) {
const attr = link.attributes[i]
replacement.setAttribute(attr.name, attr.value)
}
// copy content
replacement.innerHTML = link.innerHTML
// or you can use appendChild instead
// link.childNodes.forEach(node => replacement.appendChild(node))
link.replaceWith(replacement)
})
If you have these elements:
<a href="#link-1">Link 1</a>
<a href="#link-2">Link 2</a>
<a href="#link-3">Link 3</a>
<a href="#link-4">Link 4</a>
After running above codes, you will end up with these elements:
<span href="#link-1">Link 1</span>
<span href="#link-2">Link 2</span>
<span href="#link-3">Link 3</span>
<span href="#link-4">Link 4</span>
Let me suggest you an easier approach,
Instead of divind into GIT's deep consepts and bothering with the editor's crab, you could do the following;
Lets suppose you created a branch named bug1 from master. Made 2 commits to bug1. You only modified 2 files with these changes.
Copy these two files into a text editor. Checkout master. Paste the files. Commit.
That simple.
Without a class or an id, and with your specific html:
table tr td label {display:none}
Otherwise if you have jQuery
$('label[for="foo"]').css('display', 'none');
Distinct do not take arguments as it adds DISTINCT in your sql query, however, you MAY need to define the column name that you'd want to select distinct with. Thus, if you have
Flight->select('project_id')->distinct()->get()
is equialent to SELECT DISTINCT 'project_id' FROM flights
and you may now add other modifiers like count() or even raw eloquent queries.
To know the usage of the specific directory in GB's or TB's in linux the command is,
df -h /dir/inner_dir/
or
df -sh /dir/inner_dir/
and to know the usage of the specific directory in bits in linux the command is,
df-k /dir/inner_dir/
if you're doing a lot of this kind of thing you should consider using numpy
.
In [56]: import random, numpy
In [57]: lst = numpy.array([random.uniform(0, 5) for _ in range(1000)]) # example list
In [58]: a, b = 1, 3
In [59]: numpy.flatnonzero((lst > a) & (lst < b))[:10]
Out[59]: array([ 0, 12, 13, 15, 18, 19, 23, 24, 26, 29])
In response to Seanny123's question, I used this timing code:
import numpy, timeit, random
a, b = 1, 3
lst = numpy.array([random.uniform(0, 5) for _ in range(1000)])
def numpy_way():
numpy.flatnonzero((lst > 1) & (lst < 3))[:10]
def list_comprehension():
[e for e in lst if 1 < e < 3][:10]
print timeit.timeit(numpy_way)
print timeit.timeit(list_comprehension)
The numpy version is over 60 times faster.
Use
if(isset($_POST['submit'])) // name of your submit button
onclick buttons c2
to fetch and change the color of action bar and notification bar according to button's background, hope this helps
int color = c2.getBackground()).getColor();
int colorlighter = -color * 40 / 100 + color;
getWindow().setNavigationBarColor(colorlighter);
getWindow().setStatusBarColor(colorlighter);
ActionBar bar = getSupportActionBar();
bar.setBackgroundDrawable(new ColorDrawable(color));
colorlighter
is used to set color of notification bar a little lighter than action bar
color
is the background color of button c2
, according to which we change our color.
Best way for this is
function a(){
var d=2;
var c=3;
var f=4;
return {d:d,c:c,f:f}
}
Then use
a().f
return 4
in ES6 you can use this code
function a(){
var d=2;
var c=3;
var f=4;
return {d,c,f}
}
Use this code to get Registration ID using GCM
String regId = "", msg = "";
public void getRegisterationID() {
new AsyncTask() {
@Override
protected Object doInBackground(Object...params) {
String msg = "";
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(Login.this);
}
regId = gcm.register(YOUR_SENDER_ID);
Log.d("in async task", regId);
// try
msg = "Device registered, registration ID=" + regId;
} catch (IOException ex) {
msg = "Error :" + ex.getMessage();
}
return msg;
}
}.execute(null, null, null);
}
and don't forget to write permissions in manifest...
I hope it helps!
I tried a few of these that didn't cover my needs, especially the highest voted which didn't catch a url without a path (http://example.com/)
also lack of group names made it unusable in ansible (or perhaps my jinja2 skills are lacking).
so this is my version slightly modified with the source being the highest voted version here:
^((?P<protocol>http[s]?|ftp):\/)?\/?(?P<host>[^:\/\s]+)(?P<path>((\/\w+)*\/)([\w\-\.]+[^#?\s]+))*(.*)?(#[\w\-]+)?$
Not sure what is so difficult about this, do what you were doing, use the overloaded Bitmap constructor to create a re-sized image, the only thing you were missing was a cast back to the Image data type:
public static Image resizeImage(Image imgToResize, Size size)
{
return (Image)(new Bitmap(imgToResize, size));
}
yourImage = resizeImage(yourImage, new Size(50,50));
Probably the easiest way:
<input type='text' id='abc' value="hel'lo">
As per Brandon's answer. But if you're using ASP.NET MVC which uses unobtrusive validation, you can add the data-val attribute to the first one. I also like to have labels for each radio button for usability.
<span class="field-validation-valid" data-valmsg-for="color" data-valmsg-replace="true"></span>
<p><input type="radio" name="color" id="red" value="R" data-val="true" data-val-required="Please choose one of these options:"/> <label for="red">Red</label></p>
<p><input type="radio" name="color" id="green" value="G"/> <label for="green">Green</label></p>
<p><input type="radio" name="color" id="blue" value="B"/> <label for="blue">Blue</label></p>
SELECT *
FROM reservations
WHERE arrival >= '2012-01-01'
AND arrival < '2013-01-01'
;
BTW if the distribution of values indicates that an index scan will not be the worth (for example if all the values are in 2012), the optimiser could still choose a full table scan. YMMV. Explain is your friend.
in oncreate method where you have set your Webview.
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.web_view);
web_view = (WebView) findViewById(R.id.web_view);
pd = new ProgressDialog(SiteOpenInWebView.this);
pd.setMessage("Please wait Loading...");
pd.show();
web_view.setWebViewClient(new MyWebViewClient());
web_view.loadUrl("ur site name");
}
WebViewClient
private class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
if (!pd.isShowing()) {
pd.show();
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
System.out.println("on finish");
if (pd.isShowing()) {
pd.dismiss();
}
}
}
All in python (using psycopg2
), create the empty table first then use copy_expert
to load the csv into it. It should handle for empty values.
import psycopg2
conn = psycopg2.connect(host="hosturl", database="db_name", user="username", password="password")
cur = conn.cursor()
cur.execute("CREATE TABLE schema.destination_table ("
"age integer, "
"first_name varchar(20), "
"last_name varchar(20)"
");")
with open(r'C:/tmp/people.csv', 'r') as f:
next(f) # Skip the header row. Or remove this line if csv has no header.
conn.cursor.copy_expert("""COPY schema.destination_table FROM STDIN WITH (FORMAT CSV)""", f)
As @L-Ray has already suggested, you can look into moment.js as well
var today = moment();
var result = {
day: today.format("dddd"),
month: today.format("MMM")
}
document.write("<pre>" + JSON.stringify(result,0,4) + "</pre>");
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.13.0/moment.min.js"></script>
_x000D_
If the modulus is a power of 2 then you can use a bitmask:
int i = -1 & ~-2; // -1 MOD 2 is 1
By comparison the Pascal language provides two operators; REM takes the sign of the numerator (x REM y
is x - (x DIV y) * y
where x DIV y
is TRUNC(x / y)
) and MOD requires a positive denominator and returns a positive result.
Run
gradlew -q app:dependencies
It will remove what is wrong.
Accessing direct properties and related are explained
// Get an instance of the WC_Order object
$order = wc_get_order($order_id);
$order_data = array(
'order_id' => $order->get_id(),
'order_number' => $order->get_order_number(),
'order_date' => date('Y-m-d H:i:s', strtotime(get_post($order->get_id())->post_date)),
'status' => $order->get_status(),
'shipping_total' => $order->get_total_shipping(),
'shipping_tax_total' => wc_format_decimal($order->get_shipping_tax(), 2),
'fee_total' => wc_format_decimal($fee_total, 2),
'fee_tax_total' => wc_format_decimal($fee_tax_total, 2),
'tax_total' => wc_format_decimal($order->get_total_tax(), 2),
'cart_discount' => (defined('WC_VERSION') && (WC_VERSION >= 2.3)) ? wc_format_decimal($order->get_total_discount(), 2) : wc_format_decimal($order->get_cart_discount(), 2),
'order_discount' => (defined('WC_VERSION') && (WC_VERSION >= 2.3)) ? wc_format_decimal($order->get_total_discount(), 2) : wc_format_decimal($order->get_order_discount(), 2),
'discount_total' => wc_format_decimal($order->get_total_discount(), 2),
'order_total' => wc_format_decimal($order->get_total(), 2),
'order_currency' => $order->get_currency(),
'payment_method' => $order->get_payment_method(),
'shipping_method' => $order->get_shipping_method(),
'customer_id' => $order->get_user_id(),
'customer_user' => $order->get_user_id(),
'customer_email' => ($a = get_userdata($order->get_user_id() )) ? $a->user_email : '',
'billing_first_name' => $order->get_billing_first_name(),
'billing_last_name' => $order->get_billing_last_name(),
'billing_company' => $order->get_billing_company(),
'billing_email' => $order->get_billing_email(),
'billing_phone' => $order->get_billing_phone(),
'billing_address_1' => $order->get_billing_address_1(),
'billing_address_2' => $order->get_billing_address_2(),
'billing_postcode' => $order->get_billing_postcode(),
'billing_city' => $order->get_billing_city(),
'billing_state' => $order->get_billing_state(),
'billing_country' => $order->get_billing_country(),
'shipping_first_name' => $order->get_shipping_first_name(),
'shipping_last_name' => $order->get_shipping_last_name(),
'shipping_company' => $order->get_shipping_company(),
'shipping_address_1' => $order->get_shipping_address_1(),
'shipping_address_2' => $order->get_shipping_address_2(),
'shipping_postcode' => $order->get_shipping_postcode(),
'shipping_city' => $order->get_shipping_city(),
'shipping_state' => $order->get_shipping_state(),
'shipping_country' => $order->get_shipping_country(),
'customer_note' => $order->get_customer_note(),
'download_permissions' => $order->is_download_permitted() ? $order->is_download_permitted() : 0,
);
Additional details
$line_items_shipping = $order->get_items('shipping');
foreach ($line_items_shipping as $item_id => $item) {
if (is_object($item)) {
if ($meta_data = $item->get_formatted_meta_data('')) :
foreach ($meta_data as $meta_id => $meta) :
if (in_array($meta->key, $line_items_shipping)) {
continue;
}
// html entity decode is not working preoperly
$shipping_items[] = implode('|', array('item:' . wp_kses_post($meta->display_key), 'value:' . str_replace('×', 'X', strip_tags($meta->display_value))));
endforeach;
endif;
}
}
//get fee and total
$fee_total = 0;
$fee_tax_total = 0;
foreach ($order->get_fees() as $fee_id => $fee) {
$fee_items[] = implode('|', array(
'name:' . html_entity_decode($fee['name'], ENT_NOQUOTES, 'UTF-8'),
'total:' . wc_format_decimal($fee['line_total'], 2),
'tax:' . wc_format_decimal($fee['line_tax'], 2),
));
$fee_total += $fee['line_total'];
$fee_tax_total += $fee['line_tax'];
}
// get tax items
foreach ($order->get_tax_totals() as $tax_code => $tax) {
$tax_items[] = implode('|', array(
'rate_id:'.$tax->id,
'code:' . $tax_code,
'total:' . wc_format_decimal($tax->amount, 2),
'label:'.$tax->label,
'tax_rate_compound:'.$tax->is_compound,
));
}
// add coupons
foreach ($order->get_items('coupon') as $_ => $coupon_item) {
$coupon = new WC_Coupon($coupon_item['name']);
$coupon_post = get_post((WC()->version < '2.7.0') ? $coupon->id : $coupon->get_id());
$discount_amount = !empty($coupon_item['discount_amount']) ? $coupon_item['discount_amount'] : 0;
$coupon_items[] = implode('|', array(
'code:' . $coupon_item['name'],
'description:' . ( is_object($coupon_post) ? $coupon_post->post_excerpt : '' ),
'amount:' . wc_format_decimal($discount_amount, 2),
));
}
foreach ($order->get_refunds() as $refunded_items){
$refund_items[] = implode('|', array(
'amount:' . $refunded_items->get_amount(),
'reason:' . $refunded_items->get_reason(),
'date:'. date('Y-m-d H-i-s',strtotime((WC()->version < '2.7.0') ? $refunded_items->date_created : $refunded_items->get_date_created())),
));
}
If you are using jQuery UI you have translations for common key codes. In ui/ui/ui.core.js:
$.ui.keyCode = {
...
ENTER: 13,
...
};
There's also some translations in tests/simulate/jquery.simulate.js but I could not find any in the core JS library. Mind you, I merely grep'ed the sources. Maybe there is some other way to get rid of these magic numbers.
You can also make use of String.charCodeAt and .fromCharCode:
>>> String.charCodeAt('\r') == 13
true
>>> String.fromCharCode(13) == '\r'
true
You must remove the data from the TableModel
used for the table.
If using the DefaultTableModel
, just set the row count to zero. This will delete the rows and fire the TableModelEvent
to update the GUI.
JTable table; … DefaultTableModel model = (DefaultTableModel) table.getModel(); model.setRowCount(0);
If you are using other TableModel
, please check the documentation.
Quick fix that worked for me:
for file in $(find "$JAVA_HOME" -name "*pack")
do
unpack200 "${file}" "${test_file/%pack/jar}";
done
In the Servers tab of eclipse, go to the properties of the server and Switch location to latest downloaded tomcat version.
This resolved the issue for me.
The common practice is to use the dummy variable _
(single underscore), as many have indicated here before.
However, to avoid collisions with other uses of that variable name (see this response) it might be a better practice to use __
(double underscore) instead as a throwaway variable, as pointed by ncoghlan. E.g.:
x, __ = func()
To start your node in PST time zone , use following command in ubuntu.
TZ=\"/usr/share/zoneinfo/GMT+0\" && export TZ && npm start &
Then You can refer Date Library to get the custom calculation date and time functions in node.
To use it client side refer this link, download index.js and assertHelper.js and include that in your HTML.
<script src="assertHelper.js"></script>
<script type="text/javascript" src="index.js"></script>
$( document ).ready(function() {
DateLibrary.getDayOfWeek(new Date("2015-06-15"),{operationType:"Day_of_Week"}); // Output : Monday
}
You can use different functions as given in examples to get custom dates.
If first day of week is Sunday, what day will be on 15th June 2015.
DateLibrary.getDayOfWeek(new Date("2015-06-15"),
{operationType:"Day_Number_of_Week",
startDayOfWeek:"Sunday"}) // Output : 1
If first day of week is Tuesday, what week number in year will be follow in 15th June 2015 as one of the date.
DateLibrary.getWeekNumber(new Date("2015-06-15"),
{operationType:"Week_of_Year",
startDayOfWeek:"Tuesday"}) // Output : 24
Refer other functions to fulfill your custom date requirements.
I would not recomend you to use document.write
as others suggest, because if you will open such window twice your HTML will be duplicated 2 times (or more).
Use innerHTML instead
var win = window.open("", "Title", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=780,height=200,top="+(screen.height-400)+",left="+(screen.width-840));
win.document.body.innerHTML = "HTML";
If your script is inside head tag in html file, try to put it inside body tag. CreateElement while script is inside head tag will give you a null warning
<head>
<title></title>
</head>
<body>
<h1>Game</h1>
<script type="text/javascript" src="script.js"></script>
</body>
You can use onSelect
event
$("#date-daily").datepicker({
onSelect: function(dateText) {
alert($('#dp3').val());
}
});
It is Called when the datepicker is selected. The function receives the selected date as text and the datepicker instance as parameters. this refers to the associated input field.
You can make this bit more cleaner by using:
$http.get(url)
.then(function (response) {
console.log('get',response)
})
.catch(function (data) {
// Handle error here
});
Similar to @this.lau_ answer, different approach.
Try this:
<div onselectstart="return false">some stuff</div>
Simple, but effective... works in current versions of all major browsers.
I can't say for sure if this is the case, but what appeared to be a problem for me was having .gitignore files in some of the subdirectories. Again, I can't guarantee this, but everything worked after these were deleted.
Your first reaction to these methods is quite interesting to me. I will use it in future arguments that both assertTrue and assertFalse are not the most friendly tools. If you would use
assertThat(thisOrThat, is(false));
it is much more readable, and it prints a better error message too.
It would depend on the code. StringBuilder is more efficient generally, but if you're only concatenating a few strings and doing it all in one line, code optimizations will likely take care of it for you. It's important to think about how the code looks too: for larger sets StringBuilder will make it easier to read, for small ones StringBuilder will just add needless clutter.
For loading weights, you need to have a model first. It must be:
existingModel.save_weights('weightsfile.h5')
existingModel.load_weights('weightsfile.h5')
If you want to save and load the entire model (this includes the model's configuration, it's weights and the optimizer states for further training):
model.save_model('filename')
model = load_model('filename')
I have faced this issue so many times and I was surprised that many of these don't work.
I simply deserialize the string with Newtonsoft.Json and I get cleartext.
string rough = "\"call 12\"";
rough = JsonConvert.DeserializeObject<string>(rough);
//the result is: "call 12";
Invert match using grep -v:
grep -v "unwanted word" file pattern
Go to apache-tomcat\conf folder add these lines in
tomcat-users.xml file
<role rolename="manager-gui"/>
<user username="admin" password="admin" roles="manager-gui"/>
and restart server
If Your Window pc, you may try this, it's also for STS:
Ctrl + win + Alt + Down :: Copy current line or selected line to below
Ctrl + win + Alt + Up :: Copy current line or selected line to above
I believe TLSV1_ALERT_PROTOCOL_VERSION
is alerting you that the server doesn't want to talk TLS v1.0 to you. Try to specify TLS v1.2 only by sticking in these lines:
import ssl
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
# Create HTTPS connection
c = HTTPSConnection("0.0.0.0", context=context)
Note, you may need sufficiently new versions of Python (2.7.9+ perhaps?) and possibly OpenSSL (I have "OpenSSL 1.0.2k 26 Jan 2017" and the above seems to work, YMMV)
The $GLOBALS
array can be used instead:
$GLOBALS['a'] = 'localhost';
function body(){
echo $GLOBALS['a'];
}
From the Manual:
An associative array containing references to all variables which are currently defined in the global scope of the script. The variable names are the keys of the array.
If you have a set of functions that need some common variables, a class with properties may be a good choice instead of a global:
class MyTest
{
protected $a;
public function __construct($a)
{
$this->a = $a;
}
public function head()
{
echo $this->a;
}
public function footer()
{
echo $this->a;
}
}
$a = 'localhost';
$obj = new MyTest($a);
Here is a working example.
Keypoints are:
Accounts
JsonProperty
attribute.
using (WebClient wc = new WebClient())
{
var json = wc.DownloadString("http://coderwall.com/mdeiters.json");
var user = JsonConvert.DeserializeObject<User>(json);
}
-
public class User
{
/// <summary>
/// A User's username. eg: "sergiotapia, mrkibbles, matumbo"
/// </summary>
[JsonProperty("username")]
public string Username { get; set; }
/// <summary>
/// A User's name. eg: "Sergio Tapia, John Cosack, Lucy McMillan"
/// </summary>
[JsonProperty("name")]
public string Name { get; set; }
/// <summary>
/// A User's location. eh: "Bolivia, USA, France, Italy"
/// </summary>
[JsonProperty("location")]
public string Location { get; set; }
[JsonProperty("endorsements")]
public int Endorsements { get; set; } //Todo.
[JsonProperty("team")]
public string Team { get; set; } //Todo.
/// <summary>
/// A collection of the User's linked accounts.
/// </summary>
[JsonProperty("accounts")]
public Account Accounts { get; set; }
/// <summary>
/// A collection of the User's awarded badges.
/// </summary>
[JsonProperty("badges")]
public List<Badge> Badges { get; set; }
}
public class Account
{
public string github;
}
public class Badge
{
[JsonProperty("name")]
public string Name;
[JsonProperty("description")]
public string Description;
[JsonProperty("created")]
public string Created;
[JsonProperty("badge")]
public string BadgeUrl;
}
The way I cam across this question was when I tried doing something similar where I was defining a function and it was being called with the array like others pointed out
You could do something like this however for this scenarios its less elegant compared to Sven's method.
sapply(a, function(x) afunc(x))
afunc<-function(a){
if (a>0){
a/sum(a)
}
else 1
}
set height: 100%;
and overflow:auto;
for div inside .cell
Starting Python 3.8
, a .prod
function has been included to the math
module in the standard library:
math.prod(iterable, *, start=1)
The method returns the product of a start
value (default: 1) times an iterable of numbers:
import math
math.prod([1, 2, 3, 4, 5, 6])
>>> 720
If the iterable is empty, this will produce 1
(or the start
value, if provided).
In order to be able to use two-way data binding for form inputs you need to import the FormsModule
package in your Angular module.
For more information, see the Angular 2 official tutorial here and the official documentation for forms.
Some explanation ignore a condition about the retain cycle [If a group of objects is connected by a circle of strong relationships, they keep each other alive even if there are no strong references from outside the group.] For more information, read the document
It is the container of the Grid
that is imposing on its width. In this case, that's a ListBoxItem
, which is left-aligned by default. You can set it to stretch as follows:
<ListBox>
<!-- other XAML omitted, you just need to add the following bit -->
<ListBox.ItemContainerStyle>
<Style TargetType="ListBoxItem">
<Setter Property="HorizontalAlignment" Value="Stretch"/>
</Style>
</ListBox.ItemContainerStyle>
</ListBox>
$json_a = json_decode($string, TRUE);
$json_o = json_decode($string);
foreach($json_a as $person => $value)
{
foreach($value as $key => $personal)
{
echo $person. " with ".$key . " is ".$personal;
echo "<br>";
}
}
Not sure why the grep method is not working for me when using npm test. This works though. I also need to specify the test folder also for some reason.
npm test -- test/sometest.js
I would try to avoid changing the xticklabels
if possible, otherwise it can get very confusing if you for example overplot your histogram with additional data.
Defining the range of your grid is probably the best and with imshow
it can be done by adding the extent
keyword. This way the axes gets adjusted automatically. If you want to change the labels i would use set_xticks
with perhaps some formatter. Altering the labels directly should be the last resort.
fig, ax = plt.subplots(figsize=(6,6))
ax.imshow(hist, cmap=plt.cm.Reds, interpolation='none', extent=[80,120,32,0])
ax.set_aspect(2) # you may also use am.imshow(..., aspect="auto") to restore the aspect ratio
Here is the screen print showing the options to ignore the file or folder after the installation of the .ignore plugin. The generated file name would be .gitignore
If whichView
is an object of the GuideView Enum, following works well. Please note that there is no qualifier for the constant after case
.
switch (whichView) {
case SEVEN_DAY:
...
break;
case NOW_SHOWING:
...
break;
}
You should probably re-write the script to return a value rather than output it. Instead of:
a=$( script.sh ) # Now a is a string, either "success" or "Failed"
case "$a" in
success) echo script succeeded;;
Failed) echo script failed;;
esac
you would be able to do:
if script.sh > /dev/null; then
echo script succeeded
else
echo script failed
fi
It is much simpler for other programs to work with you script if they do not have to parse the output. This is a simple change to make. Just exit 0
instead of printing success
, and exit 1
instead of printing Failed
. Of course, you can also print those values as well as exiting with a reasonable return value, so that wrapper scripts have flexibility in how they work with the script.
You can (should) use CROSS JOIN
. Following query will be equivalent to yours:
SELECT
table1.columnA
, table2.columnA
FROM table1
CROSS JOIN table2
WHERE table1.columnA = 'Some value'
or you can even use INNER JOIN with some always true conditon:
FROM table1
INNER JOIN table2 ON 1=1
If you have a 200,000,000 character files and split that every five characters, you have 40,000,000 String
objects. Assume they are sharing actual character data with the original 400 MB String
(char
is 2 bytes). A String
is say 32 bytes, so that is 1,280,000,000 bytes of String
objects.
(It's probably worth noting that this is very implementation dependent. split
could create entirely strings with entirely new backing char[]
or, OTOH, share some common String
values. Some Java implementations to not use the slicing of char[]
. Some may use a UTF-8-like compact form and give very poor random access times.)
Even assuming longer strings, that's a lot of objects. With that much data, you probably want to work with most of it in compact form like the original (only with indexes). Only convert to objects that which you need. The implementation should be database like (although they traditionally don't handle variable length strings efficiently).
Add a notifier in the viewWillAppear
function
-(void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:nil];
}
The orientation change notifies this function
- (void)orientationChanged:(NSNotification *)notification{
[self adjustViewsForOrientation:[[UIApplication sharedApplication] statusBarOrientation]];
}
which in-turn calls this function where the moviePlayerController frame is orientation is handled
- (void) adjustViewsForOrientation:(UIInterfaceOrientation) orientation {
switch (orientation)
{
case UIInterfaceOrientationPortrait:
case UIInterfaceOrientationPortraitUpsideDown:
{
//load the portrait view
}
break;
case UIInterfaceOrientationLandscapeLeft:
case UIInterfaceOrientationLandscapeRight:
{
//load the landscape view
}
break;
case UIInterfaceOrientationUnknown:break;
}
}
in viewDidDisappear
remove the notification
-(void)viewDidDisappear:(BOOL)animated{
[super viewDidDisappear:animated];
[[NSNotificationCenter defaultCenter]removeObserver:self name:UIDeviceOrientationDidChangeNotification object:nil];
}
I guess this is the fastest u can have changed the view as per orientation
You can't add a border, but this would work for the same effect. You could also make the UIView called blackBG in this example into a UIImageView with a border image and a blank middle, and then you'd have a custom image border instead of just black.
UIView *blackBG = [[UIView alloc] initWithFrame:CGRectMake(0,0,100,100)];
blackBG.backgroundColor = [UIColor blackColor];
UIImageView *myPicture = [[UIImageView alloc] initWithImage:
[UIImage imageNamed: @"myPicture.jpg"]];
int borderWidth = 10;
myPicture.frame = CGRectMake(borderWidth,
borderWidth,
blackBG.frame.size.width-borderWidth*2,
blackBG.frame.size.height-borderWidth*2)];
[blackBG addSubview: myPicture];
yourbox{
position:absolute;
right:<x>px;
top :<x>px;
}
positions it in the right corner. Note, that the position is dependent of the first ancestor-element which is not static
positioned!
EDIT:
Just to clarify -- as noted above when rebasing the sense is reversed, so if you see
<<<<<<< HEAD
foo = 12;
=======
foo = 22;
>>>>>>> [your commit message]
Resolve using 'mine' -> foo = 12
Resolve using 'theirs' -> foo = 22
You can also use the CSS calc() function to subtract the width of your padding from the percentage of your container's width.
An example:
width: calc((100%) - (32px))
Just be sure to make the subtracted width equal to the total padding, not just one half. If you pad both sides of the inner div with 16px, then you should subtract 32px from the final width, assuming that the example below is what you want to achieve.
.outer {_x000D_
width: 200px;_x000D_
height: 120px;_x000D_
background-color: black;_x000D_
}_x000D_
_x000D_
.inner {_x000D_
height: 40px;_x000D_
top: 30px;_x000D_
position: relative;_x000D_
padding: 16px;_x000D_
background-color: teal;_x000D_
}_x000D_
_x000D_
#inner-1 {_x000D_
width: 100%;_x000D_
}_x000D_
_x000D_
#inner-2 {_x000D_
width: calc((100%) - (32px));_x000D_
}
_x000D_
<div class="outer" id="outer-1">_x000D_
<div class="inner" id="inner-1"> width of 100% </div>_x000D_
</div>_x000D_
_x000D_
<br>_x000D_
<br>_x000D_
_x000D_
<div class="outer" id="outer-2">_x000D_
<div class="inner" id="inner-2"> width of 100% - 16px </div>_x000D_
</div>
_x000D_
add this to your stylesheet. line-height should match the height of your logo
.navbar-nav li a {
line-height: 50px;
}
Check out the fiddle at: http://jsfiddle.net/nD4tW/
If you have ruby installed
cat FileWithColumnOfNumbers.txt | xargs ruby -e "puts ARGV.map(&:to_i).inject(&:+)"
If you have only these regular shapes, there is a simple procedure as follows :
approxPolyDP
function.Below is my example in Python:
import numpy as np
import cv2
img = cv2.imread('shapes.png')
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
ret,thresh = cv2.threshold(gray,127,255,1)
contours,h = cv2.findContours(thresh,1,2)
for cnt in contours:
approx = cv2.approxPolyDP(cnt,0.01*cv2.arcLength(cnt,True),True)
print len(approx)
if len(approx)==5:
print "pentagon"
cv2.drawContours(img,[cnt],0,255,-1)
elif len(approx)==3:
print "triangle"
cv2.drawContours(img,[cnt],0,(0,255,0),-1)
elif len(approx)==4:
print "square"
cv2.drawContours(img,[cnt],0,(0,0,255),-1)
elif len(approx) == 9:
print "half-circle"
cv2.drawContours(img,[cnt],0,(255,255,0),-1)
elif len(approx) > 15:
print "circle"
cv2.drawContours(img,[cnt],0,(0,255,255),-1)
cv2.imshow('img',img)
cv2.waitKey(0)
cv2.destroyAllWindows()
Below is the output:
Remember, it works only for regular shapes.
Alternatively to find circles, you can use houghcircles
. You can find a tutorial here.
Regarding iOS, OpenCV devs are developing some iOS samples this summer, So visit their site : www.code.opencv.org and contact them.
You can find slides of their tutorial here : http://code.opencv.org/svn/gsoc2012/ios/trunk/doc/CVPR2012_OpenCV4IOS_Tutorial.pdf
what is the exec function and its family.
The exec
function family is all functions used to execute a file, such as execl
, execlp
, execle
, execv
, and execvp
.They are all frontends for execve
and provide different methods of calling it.
why is this function used
Exec functions are used when you want to execute (launch) a file (program).
and how does it work.
They work by overwriting the current process image with the one that you launched. They replace (by ending) the currently running process (the one that called the exec command) with the new process that has launched.
For more details: see this link.
Disabled means that no data from that form element will be submitted when the form is submitted. Read-only means any data from within the element will be submitted, but it cannot be changed by the user.
For example:
<input type="text" name="yourname" value="Bob" readonly="readonly" />
This will submit the value "Bob" for the element "yourname".
<input type="text" name="yourname" value="Bob" disabled="disabled" />
This will submit nothing for the element "yourname".
I believe that C++ is the language that you are looking for. The majority of game development is in C++ because it is a multi-paradigm language (OOP, meta-programming, etc.) and because it allows memory management. What makes C++ even better is that it can be used to develop on a multitude of platforms whereas C# cannot do so on such a big scale.
Many will say that with C# you will not have to worry about memory allocation and this is true at a certain price. You will have the burden of the .NET framework on your shoulders and will slowly see the limitations of C# in the way certain tasks must be done.
Probably you have read from some answers that C++ is a hard programming language. This is mostly true, but perhaps you haven't heard about C++0x. Some features found in C# such as garbage collection will become available (optional for you to use) with C++0x. Also, multi-threading will finally be supported by the language with this revision of the C++ standard.
I would recommend that you buy a few C++ books as well as C++ DirectX/OpenGL books.
I had the same problem. It was caused by having different version codes and numbers in my manifest and gradle build script. I resolved it by removing the version code and version number from my manifest and letting gradle take care of it.
The new recommended way to do this is to use the setNames
function. See
?setNames
. Since this creates a new copy of the data.frame
, be sure to assign the result to the original data.frame
, if that is your intention.
data_frame <- setNames(data_frame, c("premium","change","newprice"))
Newer versions of R will give you warning if you use colnames
in some of the ways suggested by earlier answers.
If this were a data.table
instead, you could use the data.table
function setnames
, which can modify specific column names or a single column name by reference:
setnames(data_table, "old-name", "new-name")
Well after doing some more searching I discovered the error may be related to other issues as invalid keystores, passwords etc.
I then remembered that I had set two VM arguments for when I was testing SSL for my network connectivity.
I removed the following VM arguments to fix the problem:
-Djavax.net.ssl.keyStore=mySrvKeystore -Djavax.net.ssl.keyStorePassword=123456
Note: this keystore no longer exists so that's probably why the Exception.
It's just taking a generally useless keyword and giving it a new, better functionality. It's standard in C++11, and most C++ compilers with even some C++11 support will support it.
I know it's already answered but here is a solution I find more elegant:
arsort($array);
reset($array);
echo key($array);
and voila!
print type(someObject).__name__
If that doesn't suit you, use this:
print some_instance.__class__.__name__
Example:
class A:
pass
print type(A())
# prints <type 'instance'>
print A().__class__.__name__
# prints A
Also, it seems there are differences with type()
when using new-style classes vs old-style (that is, inheritance from object
). For a new-style class, type(someObject).__name__
returns the name, and for old-style classes it returns instance
.
I'm using Mongoose to connect to mongodb. Install mongoose npm using following command
npm install mongoose
var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost:27017/database_name', function(err){
if(err){
console.log('database not connected');
}
});
var Schema = mongoose.Schema;
var userschema = new Schema ({});
var user = mongoose.model('collection_name', userschema);
we can use the queries like this
user.find({},function(err,data){
if(err){
console.log(err);
}
console.log(data);
});
This depends on real world application requirements.
If your question is merely hypothetical, then the basics have already been explained. It is a typical search vs. sort problem. It has already been mentioned that algorithmically you are not going to achieve better than O(n) for that case.
However, if you are looking at practical use, things get more interesting. You would then need to consider how large the array is, and the processes involved in adding and removing from the data set. In these cases, it can be best to take the computational 'hit' at insertion / removal time by sorting on the fly. Insertions into a pre-sorted array are not that expensive.
The quickest query response to the Min Max request will always be from a sorted array, because as others have mentioned, you simply take the first or last element - giving you an O(1) cost.
For a bit more of a technical explanation on the computational costs involved, and Big O notation, check out the Wikipedia article here.
Nick.
this error occurs when required memory allocated for execution is less than memory required for running process. By default, Node memory size is 512 mb to increase this you need to type the following command :
node --max-old-space-size= <NewSize> <fileName>
I had similar issue when I had plenty of extra records in csv file with empty values. If I open csv file in notepad then empty lines looks like this: ,,,, ,,,, ,,,, ,,,,
You can not see those if open in Excel. Please check in Notepad and delete those records
implements
means implementation, when interface
is meant to declare just to provide interface
not for implementation.
A 100% abstract class
is functionally equivalent to an interface
but it can also have implementation if you wish (in this case it won't remain 100% abstract
), so from the JVM's perspective they are different things.
Also the member variable in a 100% abstract class can have any access qualifier, where in an interface they are implicitly public static final
.
Override method authenticationManagerBean
in WebSecurityConfigurerAdapter
to expose the AuthenticationManager built using configure(AuthenticationManagerBuilder)
as a Spring bean:
For example:
@Bean(name = BeanIds.AUTHENTICATION_MANAGER)
@Override
public AuthenticationManager authenticationManagerBean() throws Exception {
return super.authenticationManagerBean();
}
You can't put <div>
inside <a>
- it's not valid (X)HTML.
Even though you style a span with display: block you still can't put block-level elements inside it: the (X)HTML still has to obey the (X)HTML DTD (whichever one you use), no matter how the CSS alters things.
The browser will probably display it as you want, but that doesn't make it right.
What is a file with extension .sh?
It is a Bourne shell script. They are used in many variations of UNIX-like operating systems. They have no "language" and are interpreted by your shell (interpreter of terminal commands) or if the first line is in the form
#!/path/to/interpreter
they will use that particular interpreter. Your file has the first line:
#!/bin/bash
and that means that it uses Bourne Again Shell, so called bash. It is for all practical purposes a replacement for good old sh.
Depending upon the interpreter you will have different language in which the file is written.
Keep in mind, that in UNIX world, it is not the extension of the file that determines what the file is (see How to execute a shell script).
If you come from the world of DOS/Windows, you will be familiar with files that have .bat or .cmd extensions (batch files). They are not similar in content, but are akin in design.
How to execute a shell script
Unlike some silly operating systems, *nix does not rely exclusively on extensions to determine what to do with a file. Permissions are also used. This means that if you attempt to run the shell script after downloading it, it will be the same as trying to "run" any text file. The ".sh" extension is there only for your convenience to recognize that file.
You will need to make the file executable. Let's assume that you have downloaded your file as file.sh
, you can then run in your terminal:
chmod +x file.sh
chmod
is a command for changing file's permissions, +x
sets execute permissions (in this case for everybody) and finally you have your file name.
You can also do it in GUI. Most of the time you can right click on the file and select properties, in XUbuntu the permissions options look like this:
If you do not wish to change the permissions. You can also force the shell to run the command. In the terminal you can run:
bash file.sh
The shell should be the same as in the first line of your script.
How safe is it?
You may find it weird that you must perform another task manually in order to execute a file. But this is partially because of strong need for security.
Basically when you download and run a bash script, it is the same thing as somebody telling you "run all these commands in sequence on your computer, I promise that the results will be good and safe". Ask yourself if you trust the party that has supplied this file, ask yourself if you are sure that have downloaded the file from the same place as you thought, maybe even have a glance inside to see if something looks out of place (although that requires that you know something about *nix commands and bash programming).
Unfortunately apart from the warning above I cannot give a step-by-step description of what you should do to prevent evil things from happening with your computer; so just keep in mind that any time you get and run an executable file from someone you're actually saying, "Sure, you can use my computer to do something".
As of Active Support and Rails 5.0.0.beta4 you can use one of both methods: String#upcase_first
or ActiveSupport::Inflector#upcase_first
.
"my API is great".upcase_first #=> "My API is great"
"?????".upcase_first #=> "?????"
"?????".upcase_first #=> "?????"
"NASA".upcase_first #=> "NASA"
"MHz".upcase_first #=> "MHz"
"sputnik".upcase_first #=> "Sputnik"
Check "Rails 5: New upcase_first Method" for more info.
string a = @"a\\b";
a = a.Replace(@"\\",@"\");
should work. Remember that in the watch Visual STudio show the "\" escaped so you see "\" in place of a single one.
I have abandoned using mysqli. It is simply too unstable. I've had queries that crash PHP using mysqli but work just fine with the mysql package. Also mysqli crashes on LONGTEXT columns. This bug has been raised in various forms since at least 2005 and remains broken. I'd honestly like to use prepared statements but mysqli just isn't reliable enough (and noone seems to bother fixing it). If you really want prepared statements go with PDO.
You can use the command pkill to kill processes. If you want to "play around", you can use "pgrep", which works exactly the same but returns the process rather than killing it.
pkill has the -f parameter that allows you to match against the entire command. So for your example, you can: pkill -f "gedit file.txt"
Try something like:
.create
{
margin: 0px;
padding-left: 20px;
background-image: url('yourpic.gif');
background-repeat: no-repeat;
}
Alongside nmaier's answer, as he said you'll always receive code 1006. However, if you were to somehow theoretically receive other codes, here is code to display the results (via RFC6455).
var websocket;
if ("WebSocket" in window)
{
websocket = new WebSocket("ws://yourDomainNameHere.org/");
websocket.onopen = function (event) {
$("#thingsThatHappened").html($("#thingsThatHappened").html() + "<br />" + "The connection was opened");
};
websocket.onclose = function (event) {
var reason;
alert(event.code);
// See http://tools.ietf.org/html/rfc6455#section-7.4.1
if (event.code == 1000)
reason = "Normal closure, meaning that the purpose for which the connection was established has been fulfilled.";
else if(event.code == 1001)
reason = "An endpoint is \"going away\", such as a server going down or a browser having navigated away from a page.";
else if(event.code == 1002)
reason = "An endpoint is terminating the connection due to a protocol error";
else if(event.code == 1003)
reason = "An endpoint is terminating the connection because it has received a type of data it cannot accept (e.g., an endpoint that understands only text data MAY send this if it receives a binary message).";
else if(event.code == 1004)
reason = "Reserved. The specific meaning might be defined in the future.";
else if(event.code == 1005)
reason = "No status code was actually present.";
else if(event.code == 1006)
reason = "The connection was closed abnormally, e.g., without sending or receiving a Close control frame";
else if(event.code == 1007)
reason = "An endpoint is terminating the connection because it has received data within a message that was not consistent with the type of the message (e.g., non-UTF-8 [http://tools.ietf.org/html/rfc3629] data within a text message).";
else if(event.code == 1008)
reason = "An endpoint is terminating the connection because it has received a message that \"violates its policy\". This reason is given either if there is no other sutible reason, or if there is a need to hide specific details about the policy.";
else if(event.code == 1009)
reason = "An endpoint is terminating the connection because it has received a message that is too big for it to process.";
else if(event.code == 1010) // Note that this status code is not used by the server, because it can fail the WebSocket handshake instead.
reason = "An endpoint (client) is terminating the connection because it has expected the server to negotiate one or more extension, but the server didn't return them in the response message of the WebSocket handshake. <br /> Specifically, the extensions that are needed are: " + event.reason;
else if(event.code == 1011)
reason = "A server is terminating the connection because it encountered an unexpected condition that prevented it from fulfilling the request.";
else if(event.code == 1015)
reason = "The connection was closed due to a failure to perform a TLS handshake (e.g., the server certificate can't be verified).";
else
reason = "Unknown reason";
$("#thingsThatHappened").html($("#thingsThatHappened").html() + "<br />" + "The connection was closed for reason: " + reason);
};
websocket.onmessage = function (event) {
$("#thingsThatHappened").html($("#thingsThatHappened").html() + "<br />" + "New message arrived: " + event.data);
};
websocket.onerror = function (event) {
$("#thingsThatHappened").html($("#thingsThatHappened").html() + "<br />" + "There was an error with your websocket.");
};
}
else
{
alert("Websocket is not supported by your browser");
return;
}
websocket.send("Yo wazzup");
websocket.close();
The difference is that miniconda is just shipping the repository management system. So when you install it there is just the management system without packages. Whereas with Anaconda, it is like a distribution with some built in packages.
Like with any Linux distribution, there are some releases which bundles lots of updates for the included packages. That is why there is a difference in version numbering. If you only decide to upgrade Anaconda, you are updating a whole system.
You could use IIF
statement like in the next example:
SELECT
IIF(test_expression, value_if_true, value_if_false) AS FIELD_NAME
FROM
TABLE_NAME
When Linux returns 0, it means success. Anything else means failure, each program has its own exit codes, so it would been quite long to list them all... !
About the 11 error code, it's indeed the segmentation fault number, mostly meaning that the program accessed a memory location that was not assigned.
git reset --hard <old-commit-id>
git push -f <remote-name> <branch-name>
Note: As written in comments below, Using this is dangerous in a collaborative environment: you're rewriting history
I am working on TF-2.1 and torch, so I don't want to specific this automacit choosing in any ML frame. I just use original nvidia-smi and os.environ to get a vacant gpu.
def auto_gpu_selection(usage_max=0.01, mem_max=0.05):
"""Auto set CUDA_VISIBLE_DEVICES for gpu
:param mem_max: max percentage of GPU utility
:param usage_max: max percentage of GPU memory
:return:
"""
os.environ['CUDA_DEVICE_ORDER'] = 'PCI_BUS_ID'
log = str(subprocess.check_output("nvidia-smi", shell=True)).split(r"\n")[6:-1]
gpu = 0
# Maximum of GPUS, 8 is enough for most
for i in range(8):
idx = i*3 + 2
if idx > log.__len__()-1:
break
inf = log[idx].split("|")
if inf.__len__() < 3:
break
usage = int(inf[3].split("%")[0].strip())
mem_now = int(str(inf[2].split("/")[0]).strip()[:-3])
mem_all = int(str(inf[2].split("/")[1]).strip()[:-3])
# print("GPU-%d : Usage:[%d%%]" % (gpu, usage))
if usage < 100*usage_max and mem_now < mem_max*mem_all:
os.environ["CUDA_VISIBLE_EVICES"] = str(gpu)
print("\nAuto choosing vacant GPU-%d : Memory:[%dMiB/%dMiB] , GPU-Util:[%d%%]\n" %
(gpu, mem_now, mem_all, usage))
return
print("GPU-%d is busy: Memory:[%dMiB/%dMiB] , GPU-Util:[%d%%]" %
(gpu, mem_now, mem_all, usage))
gpu += 1
print("\nNo vacant GPU, use CPU instead\n")
os.environ["CUDA_VISIBLE_EVICES"] = "-1"
If I can get any GPU, it will set CUDA_VISIBLE_EVICES to BUSID of that gpu :
GPU-0 is busy: Memory:[5738MiB/11019MiB] , GPU-Util:[60%]
GPU-1 is busy: Memory:[9688MiB/11019MiB] , GPU-Util:[78%]
Auto choosing vacant GPU-2 : Memory:[1MiB/11019MiB] , GPU-Util:[0%]
else, set to -1 to use CPU:
GPU-0 is busy: Memory:[8900MiB/11019MiB] , GPU-Util:[95%]
GPU-1 is busy: Memory:[4674MiB/11019MiB] , GPU-Util:[35%]
GPU-2 is busy: Memory:[9784MiB/11016MiB] , GPU-Util:[74%]
No vacant GPU, use CPU instead
Note: Use this function before you import any ML frame that require a GPU, then it can automatically choose a gpu. Besides, it's easy for you to set multiple tasks.
I'm sure all of these algorithms are great, but you cannot verify that a card number is valid just by running an algorithm on it.
Algorithms make sure the format is correct and its checksums are valid. However, they do not guarantee the bank will accept the card... For that, you need to actually pass the card number to your bank for approval.
If you use the history,then Router put everything into the location from the history,such as:
this.props.location.pathname;
this.props.location.query;
get it?
You can style to some degree with CSS by itself
select {
background: red;
border: 2px solid pink;
}
But this is entirely up to the browser. Some browsers are stubborn.
However, this will only get you so far, and it doesn't always look very good. For complete control, you'll need to replace a select via jQuery with a widget of your own that emulates the functionality of a select box. Ensure that when JS is disabled, a normal select box is in its place. This allows more users to use your form, and it helps with accessibility.
Building on the other answers, I wanted to share an example of using the while loop construct to achieve a do-while behaviour. By using a simple boolean variable in the while condition (initialized to TRUE), and then checking our actual condition later in the if statement. One could also use a break keyword instead of the continue <- FALSE inside the if statement (probably more efficient).
df <- data.frame(X=c(), R=c())
x <- x0
continue <- TRUE
while(continue)
{
xi <- (11 * x) %% 16
df <- rbind(df, data.frame(X=x, R=xi))
x <- xi
if(xi == x0)
{
continue <- FALSE
}
}
Check out your TNS Names, this must not have spaces at the left side of the ALIAS
Best regards
I modified dom's "not pretty" answer and made it uglier. Sometimes two controllers have the conflicting action names (i.e. Index) so I do this:
<ul class="nav navbar-nav">
<li class="@(ViewContext.RouteData.Values["Controller"].ToString() + ViewContext.RouteData.Values["Action"].ToString() == "HomeIndex" ? "active" : "")">@Html.ActionLink("Home", "Index", "Home")</li>
<li class="@(ViewContext.RouteData.Values["Controller"].ToString() + ViewContext.RouteData.Values["Action"].ToString() == "AboutIndex" ? "active" : "")">@Html.ActionLink("About", "Index", "About")</li>
<li class="@(ViewContext.RouteData.Values["Controller"].ToString() + ViewContext.RouteData.Values["Action"].ToString() == "ContactHome" ? "active" : "")">@Html.ActionLink("Contact", "Contact", "Home")</li>
</ul>
Depending on the underlying JPQL or Criteria API query type, DISTINCT
has two meanings in JPA.
For scalar queries, which return a scalar projection, like the following query:
List<Integer> publicationYears = entityManager
.createQuery(
"select distinct year(p.createdOn) " +
"from Post p " +
"order by year(p.createdOn)", Integer.class)
.getResultList();
LOGGER.info("Publication years: {}", publicationYears);
The DISTINCT
keyword should be passed to the underlying SQL statement because we want the DB engine to filter duplicates prior to returning the result set:
SELECT DISTINCT
extract(YEAR FROM p.created_on) AS col_0_0_
FROM
post p
ORDER BY
extract(YEAR FROM p.created_on)
-- Publication years: [2016, 2018]
For entity queries, DISTINCT
has a different meaning.
Without using DISTINCT
, a query like the following one:
List<Post> posts = entityManager
.createQuery(
"select p " +
"from Post p " +
"left join fetch p.comments " +
"where p.title = :title", Post.class)
.setParameter(
"title",
"High-Performance Java Persistence eBook has been released!"
)
.getResultList();
LOGGER.info(
"Fetched the following Post entity identifiers: {}",
posts.stream().map(Post::getId).collect(Collectors.toList())
);
is going to JOIN the post
and the post_comment
tables like this:
SELECT p.id AS id1_0_0_,
pc.id AS id1_1_1_,
p.created_on AS created_2_0_0_,
p.title AS title3_0_0_,
pc.post_id AS post_id3_1_1_,
pc.review AS review2_1_1_,
pc.post_id AS post_id3_1_0__
FROM post p
LEFT OUTER JOIN
post_comment pc ON p.id=pc.post_id
WHERE
p.title='High-Performance Java Persistence eBook has been released!'
-- Fetched the following Post entity identifiers: [1, 1]
But the parent post
records are duplicated in the result set for each associated post_comment
row. For this reason, the List
of Post
entities will contain duplicate Post
entity references.
To eliminate the Post
entity references, we need to use DISTINCT
:
List<Post> posts = entityManager
.createQuery(
"select distinct p " +
"from Post p " +
"left join fetch p.comments " +
"where p.title = :title", Post.class)
.setParameter(
"title",
"High-Performance Java Persistence eBook has been released!"
)
.getResultList();
LOGGER.info(
"Fetched the following Post entity identifiers: {}",
posts.stream().map(Post::getId).collect(Collectors.toList())
);
But then DISTINCT
is also passed to the SQL query, and that's not desirable at all:
SELECT DISTINCT
p.id AS id1_0_0_,
pc.id AS id1_1_1_,
p.created_on AS created_2_0_0_,
p.title AS title3_0_0_,
pc.post_id AS post_id3_1_1_,
pc.review AS review2_1_1_,
pc.post_id AS post_id3_1_0__
FROM post p
LEFT OUTER JOIN
post_comment pc ON p.id=pc.post_id
WHERE
p.title='High-Performance Java Persistence eBook has been released!'
-- Fetched the following Post entity identifiers: [1]
By passing DISTINCT
to the SQL query, the EXECUTION PLAN is going to execute an extra Sort phase which adds overhead without bringing any value since the parent-child combinations always return unique records because of the child PK column:
Unique (cost=23.71..23.72 rows=1 width=1068) (actual time=0.131..0.132 rows=2 loops=1)
-> Sort (cost=23.71..23.71 rows=1 width=1068) (actual time=0.131..0.131 rows=2 loops=1)
Sort Key: p.id, pc.id, p.created_on, pc.post_id, pc.review
Sort Method: quicksort Memory: 25kB
-> Hash Right Join (cost=11.76..23.70 rows=1 width=1068) (actual time=0.054..0.058 rows=2 loops=1)
Hash Cond: (pc.post_id = p.id)
-> Seq Scan on post_comment pc (cost=0.00..11.40 rows=140 width=532) (actual time=0.010..0.010 rows=2 loops=1)
-> Hash (cost=11.75..11.75 rows=1 width=528) (actual time=0.027..0.027 rows=1 loops=1)
Buckets: 1024 Batches: 1 Memory Usage: 9kB
-> Seq Scan on post p (cost=0.00..11.75 rows=1 width=528) (actual time=0.017..0.018 rows=1 loops=1)
Filter: ((title)::text = 'High-Performance Java Persistence eBook has been released!'::text)
Rows Removed by Filter: 3
Planning time: 0.227 ms
Execution time: 0.179 ms
To eliminate the Sort phase from the execution plan, we need to use the HINT_PASS_DISTINCT_THROUGH
JPA query hint:
List<Post> posts = entityManager
.createQuery(
"select distinct p " +
"from Post p " +
"left join fetch p.comments " +
"where p.title = :title", Post.class)
.setParameter(
"title",
"High-Performance Java Persistence eBook has been released!"
)
.setHint(QueryHints.HINT_PASS_DISTINCT_THROUGH, false)
.getResultList();
LOGGER.info(
"Fetched the following Post entity identifiers: {}",
posts.stream().map(Post::getId).collect(Collectors.toList())
);
And now, the SQL query will not contain DISTINCT
but Post
entity reference duplicates are going to be removed:
SELECT
p.id AS id1_0_0_,
pc.id AS id1_1_1_,
p.created_on AS created_2_0_0_,
p.title AS title3_0_0_,
pc.post_id AS post_id3_1_1_,
pc.review AS review2_1_1_,
pc.post_id AS post_id3_1_0__
FROM post p
LEFT OUTER JOIN
post_comment pc ON p.id=pc.post_id
WHERE
p.title='High-Performance Java Persistence eBook has been released!'
-- Fetched the following Post entity identifiers: [1]
And the Execution Plan is going to confirm that we no longer have an extra Sort phase this time:
Hash Right Join (cost=11.76..23.70 rows=1 width=1068) (actual time=0.066..0.069 rows=2 loops=1)
Hash Cond: (pc.post_id = p.id)
-> Seq Scan on post_comment pc (cost=0.00..11.40 rows=140 width=532) (actual time=0.011..0.011 rows=2 loops=1)
-> Hash (cost=11.75..11.75 rows=1 width=528) (actual time=0.041..0.041 rows=1 loops=1)
Buckets: 1024 Batches: 1 Memory Usage: 9kB
-> Seq Scan on post p (cost=0.00..11.75 rows=1 width=528) (actual time=0.036..0.037 rows=1 loops=1)
Filter: ((title)::text = 'High-Performance Java Persistence eBook has been released!'::text)
Rows Removed by Filter: 3
Planning time: 1.184 ms
Execution time: 0.160 ms
The solution mentioned in ".gitignore file not ignoring" is a bit extreme, but should work:
# rm all files
git rm -r --cached .
# add all files as per new .gitignore
git add .
# now, commit for new .gitignore to apply
git commit -m ".gitignore is now working"
(make sure to commit first your changes you want to keep, to avoid any incident as jball037 comments below.
The --cached
option will keep your files untouched on your disk though.)
You also have other more fine-grained solution in the blog post "Making Git ignore already-tracked files":
git rm --cached `git ls-files -i --exclude-standard`
Bassim suggests in his edit:
In case you get an error message like
fatal: path spec '...' did not match any files
, there might be files with spaces in their path.You can remove all other files with option
--ignore-unmatch
:
git rm --cached --ignore-unmatch `git ls-files -i --exclude-standard`
but unmatched files will remain in your repository and will have to be removed explicitly by enclosing their path with double quotes:
git rm --cached "<path.to.remaining.file>"
If you're using AFNetworking
you can use its own implementation for internet reachability status.
The best way to use AFNetworking
is to subclass the AFHTTPClient
class and use this class to do your network connections.
One of the advantages of using this approach is that you can use blocks
to set the desired behavior when the reachability status changes. Supposing that I've created a singleton subclass of AFHTTPClient
(as said on the "Subclassing notes" on AFNetworking docs) named BKHTTPClient
, I'd do something like:
BKHTTPClient *httpClient = [BKHTTPClient sharedClient];
[httpClient setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status)
{
if (status == AFNetworkReachabilityStatusNotReachable)
{
// Not reachable
}
else
{
// Reachable
}
}];
You could also check for Wi-Fi or WLAN connections specifically using the AFNetworkReachabilityStatusReachableViaWWAN
and AFNetworkReachabilityStatusReachableViaWiFi
enums (more here).
we just can show same label div on hovering like this
<style>
#b {
display: none;
}
#content:hover~#b{
display: block;
}
</style>
I had this error, along with others, after I changed my tsconfig.json to target:"es2015", and module:"es2015".
The base (AngularJS2 quickstart) used /// <reference path="../../typings/index.d.ts" />
in the main.ts file. To solve this, I had to remove that line.
This is my way i do comments (I think its secure):
<h1>Comment's:</h1>
<?php
$i = addslashes($_POST['a']);
$ip = addslashes($_POST['b']);
$a = addslashes($_POST['c']);
$b = addslashes($_POST['d']);
if(isset($i) & isset($ip) & isset($a) & isset($b))
{
$r = mysql_query("SELECT COUNT(*) FROM $db.ban WHERE ip=$ip"); //Check if banned
$r = mysql_fetch_array($r);
if(!$r[0]) //Phew, not banned
{
if(mysql_query("INSERT INTO $db.com VALUES ($a, $b, $ip, $i)"))
{
?>
<script type="text/javascript">
window.location="/index.php?id=".<?php echo $i; ?>;
</script>
<?php
}
else echo "Error, in mysql query";
}
else echo "Error, You are banned.";
}
$x = mysql_query("SELECT * FROM $db.com WHERE i=$i");
while($r = mysql_fetch_object($x) echo '<div class="c">'.$r->a.'<p>'.$row->b.'</p> </div>';
?>
<h1>Leave a comment, pl0x:</h1>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
<input type="hidden" name="a" value="<?php $echo $_GET['id']; ?>" />
<input type="hidden" name="b" value="<?php $echo $_SERVER['REMOTE_ADDR']; ?>" />
<input type="text" name="c" value="Name"/></br>
<textarea name="d">
</textarea>
<input type="submit" />
</form>
This does it all in one page (This is only the comments section, some configuration is needed)
I agree with Someth Victory, you need to add a specific class to some elements you want to be unselectable.
Also, you may add this class in specific cases using javascript. Example here Making content unselectable with help of CSS.
If you are using maven build tool then add the below properties to it and doing a maven update will solve the problem
<properties>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
In my case helped type disk name in lower case
Wrong - C:\someFolder
Correct - c:\someFolder
If you need to handle multiple currencies, various number formats etc. I can recommend autoNumeric. Works a treat. Have been using it successfully for several years now.
If you are trying to "checkout" a new remote branch (that exists only on the remote, but not locally), here's what you'll need:
git fetch origin
git checkout --track origin/<remote_branch_name>
This assumes you want to fetch from origin. If not, replace origin by your remote name.
The answer from @aioobe is excellent. I just want to add another way for Java 8.
int[][] twoDim = { { 1, 2 }, { 3, 7 }, { 8, 9 }, { 4, 2 }, { 5, 3 } };
Arrays.sort(twoDim, (int[] o1, int[] o2) -> o2[0] - o1[0]);
System.out.println(Arrays.deepToString(twoDim));
For me it's intuitive and easy to remember with Java 8 syntax.
Someone doesn't like criticism of var.. All answers downmodded.. oh well..
@Jon Limjap: I know. :) What I meant was that the readability is degraded like it is in VB6. I don't like to rely on Intellisense to figure out what type a given variable is. I want to be able to figure it out using the source alone.
Naming conventions doesn't help either - I already use good names. Are we going back to prefixing?
from os import system, remove
from uuid import uuid4
def bash_(shell_command: str) -> tuple:
"""
:param shell_command: your shell command
:return: ( 1 | 0, stdout)
"""
logfile: str = '/tmp/%s' % uuid4().hex
err: int = system('%s &> %s' % (shell_command, logfile))
out: str = open(logfile, 'r').read()
remove(logfile)
return err, out
# Example:
print(bash_('cat /usr/bin/vi | wc -l'))
>>> (0, '3296\n')```
If your <option>
elements don't have value
attributes, then you can just use .val
:
$selectElement.val("text_you're_looking_for")
However, if your <option>
elements have value attributes, or might do in future, then this won't work, because whenever possible .val
will select an option by its value
attribute instead of by its text content. There's no built-in jQuery method that will select an option by its text content if the options have value
attributes, so we'll have to add one ourselves with a simple plugin:
/*
Source: https://stackoverflow.com/a/16887276/1709587
Usage instructions:
Call
jQuery('#mySelectElement').selectOptionWithText('target_text');
to select the <option> element from within #mySelectElement whose text content
is 'target_text' (or do nothing if no such <option> element exists).
*/
jQuery.fn.selectOptionWithText = function selectOptionWithText(targetText) {
return this.each(function () {
var $selectElement, $options, $targetOption;
$selectElement = jQuery(this);
$options = $selectElement.find('option');
$targetOption = $options.filter(
function () {return jQuery(this).text() == targetText}
);
// We use `.prop` if it's available (which it should be for any jQuery
// versions above and including 1.6), and fall back on `.attr` (which
// was used for changing DOM properties in pre-1.6) otherwise.
if ($targetOption.prop) {
$targetOption.prop('selected', true);
}
else {
$targetOption.attr('selected', 'true');
}
});
}
Just include this plugin somewhere after you add jQuery onto the page, and then do
jQuery('#someSelectElement').selectOptionWithText('Some Target Text');
to select options.
The plugin method uses filter
to pick out only the option
matching the targetText, and selects it using either .attr
or .prop
, depending upon jQuery version (see .prop() vs .attr() for explanation).
Here's a JSFiddle you can use to play with all three answers given to this question, which demonstrates that this one is the only one to reliably work: http://jsfiddle.net/3cLm5/1/
function _cron_exe($schedules) {
if ($obj->get_option('cronenabledisable') == "yes") {
// $interval = 1*20;
$interval = $obj->get_option('cronhowtime');
if ($obj->get_option('crontiming') == 'minutes') {
$interval = $interval * 60;
} else if ($obj->get_option('crontiming') == 'hours') {
$interval = $interval * 3600;
} else if ($obj->get_option('crontiming') == 'days') {
$interval = $interval * 86400;
}
$schedules['hourlys'] = array(
'interval' => $interval,
'display' => 'cronjob'
);
return $schedules;
}
}
If the above solution didn't work for you, you can use import { withRouter } from 'react-router-dom';
Using this you can export your child class as -
class MyApp extends Component{
// your code
}
export default withRouter(MyApp);
And your class with Router -
// your code
<Router>
...
<Route path="/myapp" component={MyApp} />
// or if you are sending additional fields
<Route path="/myapp" component={() =><MyApp process={...} />} />
<Router>
$st = $data->prepare("SELECT * FROM exampleWHERE example LIKE :search LIMIT 10");
jQuery UI draggable and droppable are the two plugins I would use to achieve this effect. As for the insertion marker, I would investigate modifying the div
(or container) element that was about to have content dropped into it. It should be possible to modify the border in some way or add a JavaScript/jQuery listener that listens for the hover (element about to be dropped) event and modifies the border or adds an image of the insertion marker in the right place.
Replace the "YOUR DATABASE NAME" in the query below.
DECLARE @Database NVARCHAR(255)
DECLARE @Table NVARCHAR(255)
DECLARE @cmd NVARCHAR(1000)
DECLARE DatabaseCursor CURSOR READ_ONLY FOR
SELECT name FROM master.sys.databases
WHERE name IN ('YOUR DATABASE NAME') -- databases
AND state = 0 -- database is online
AND is_in_standby = 0 -- database is not read only for log shipping
ORDER BY 1
OPEN DatabaseCursor
FETCH NEXT FROM DatabaseCursor INTO @Database
WHILE @@FETCH_STATUS = 0
BEGIN
SET @cmd = 'DECLARE TableCursor CURSOR READ_ONLY FOR SELECT ''['' + table_catalog + ''].['' + table_schema + ''].['' +
table_name + '']'' as tableName FROM [' + @Database + '].INFORMATION_SCHEMA.TABLES WHERE table_type = ''BASE TABLE'''
-- create table cursor
EXEC (@cmd)
OPEN TableCursor
FETCH NEXT FROM TableCursor INTO @Table
WHILE @@FETCH_STATUS = 0
BEGIN
BEGIN TRY
SET @cmd = 'ALTER INDEX ALL ON ' + @Table + ' REBUILD'
PRINT @cmd -- uncomment if you want to see commands
EXEC (@cmd)
END TRY
BEGIN CATCH
PRINT '---'
PRINT @cmd
PRINT ERROR_MESSAGE()
PRINT '---'
END CATCH
FETCH NEXT FROM TableCursor INTO @Table
END
CLOSE TableCursor
DEALLOCATE TableCursor
FETCH NEXT FROM DatabaseCursor INTO @Database
END
CLOSE DatabaseCursor
DEALLOCATE DatabaseCursor
You can try git difftool
, it is designed to do this stuff.
First, you need to config diff tool to vimdiff
git config diff.tool vimdiff
Then, when you want to diff, just use git difftool
instead of git diff
. It will work as you expect.
if you use null values in your stored procedure, you will need to set the parameters to accept null values. That worked for me.
Beautiful set of stencils from Microsoft here.
Swift 3.0 very simple implementation would be:
func dateByAddingDays(inDays: Int) -> Date {
let today = Date()
return Calendar.current.date(byAdding: .day, value: inDays, to: today)!
}
Kotlin
import android.graphics.BitmapFactory
import android.os.Bundle
import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory
import kotlinx.android.synthetic.main.activity_main.*
val bitmap = BitmapFactory.decodeResource(resources, R.drawable.myImage)
val rounded = RoundedBitmapDrawableFactory.create(resources, bitmap)
rounded.cornerRadius = 20f
profileImageView.setImageDrawable(rounded)
To make ImageView
Circular we can change cornerRadius
with:
rounded.isCircular = true
If you are using Angular.js then functions imbedded into HTML, such as onclick="function()" or onchange="function()". They will not register. You need to make the change events in the javascript. Such as:
$('#exampleBtn').click(function() {
function();
});
Oh, that's an interesting beast.
I've spent considerable time of getting that right, there are three main issues that differs from locale to locale: - currency symbol and direction - thousand separator - decimal point
I've written my own rather extensive implementation of this which is part of the kiwi python framework, check out the LGPL:ed source here:
http://svn.async.com.br/cgi-bin/viewvc.cgi/kiwi/trunk/kiwi/currency.py?view=markup
The code is slightly Linux/Glibc specific, but shouldn't be too difficult to adopt to windows or other unixes.
Once you have that installed you can do the following:
>>> from kiwi.datatypes import currency
>>> v = currency('10.5').format()
Which will then give you:
'$10.50'
or
'10,50 kr'
Depending on the currently selected locale.
The main point this post has over the other is that it will work with older versions of python. locale.currency was introduced in python 2.5.
Yes, there is (see link in Matt Hamilton's comment), but it would be easier and better to use .NET's IO classes. You can use File.ReadAllBytes to read the files and then File.WriteAllBytes to write the "embedded" version.
You just need to write the first query as a subquery (derived table), inside parentheses, pick an alias for it (t
below) and alias the columns as well.
The DISTINCT
can also be safely removed as the internal GROUP BY
makes it redundant:
SELECT DATE(`date`) AS `date` , COUNT(`player_name`) AS `player_count`
FROM (
SELECT MIN(`date`) AS `date`, `player_name`
FROM `player_playtime`
GROUP BY `player_name`
) AS t
GROUP BY DATE( `date`) DESC LIMIT 60 ;
Since the COUNT
is now obvious that is only counting rows of the derived table, you can replace it with COUNT(*)
and further simplify the query:
SELECT t.date , COUNT(*) AS player_count
FROM (
SELECT DATE(MIN(`date`)) AS date
FROM player_playtime
GROUP BY player_name
) AS t
GROUP BY t.date DESC LIMIT 60 ;
When implementing tree algorithms for class, the framework code the prof gave us had the tree class as a friend of the node class.
It doesn't really do any good, other than let you access a member variable without using a setting function.
simple util function to calculate distance between two geopoints:
public static long getDistanceMeters(double lat1, double lng1, double lat2, double lng2) {
double l1 = toRadians(lat1);
double l2 = toRadians(lat2);
double g1 = toRadians(lng1);
double g2 = toRadians(lng2);
double dist = acos(sin(l1) * sin(l2) + cos(l1) * cos(l2) * cos(g1 - g2));
if(dist < 0) {
dist = dist + Math.PI;
}
return Math.round(dist * 6378100);
}
I wanted to do the same thing, but with 5 instead of 10, and came up with a simple function. Hope it's useful:
def roundToFive(num):
remaining = num % 5
if remaining in range(0, 3):
return num - remaining
return num + (5 - remaining)
The ActionBar will use the android:logo attribute of your manifest, if one is provided. That lets you use separate drawable resources for the icon (Launcher) and the logo (ActionBar, among other things).
I always use pseudo elements :before
and :after
for changing the appearance of checkboxes and radio buttons. it's works like a charm.
Refer this link for more info
Steps
visibility:hidden
or opacity:0
or position:absolute;left:-9999px
etc.:before
element and pass either an empty or a non-breaking space '\00a0'
;:checked
state, pass the unicode content: "\2713"
, which is a checkmark;:focus
style to make the checkbox accessible.Here is how I did it.
.box {_x000D_
background: #666666;_x000D_
color: #ffffff;_x000D_
width: 250px;_x000D_
padding: 10px;_x000D_
margin: 1em auto;_x000D_
}_x000D_
p {_x000D_
margin: 1.5em 0;_x000D_
padding: 0;_x000D_
}_x000D_
input[type="checkbox"] {_x000D_
visibility: hidden;_x000D_
}_x000D_
label {_x000D_
cursor: pointer;_x000D_
}_x000D_
input[type="checkbox"] + label:before {_x000D_
border: 1px solid #333;_x000D_
content: "\00a0";_x000D_
display: inline-block;_x000D_
font: 16px/1em sans-serif;_x000D_
height: 16px;_x000D_
margin: 0 .25em 0 0;_x000D_
padding: 0;_x000D_
vertical-align: top;_x000D_
width: 16px;_x000D_
}_x000D_
input[type="checkbox"]:checked + label:before {_x000D_
background: #fff;_x000D_
color: #333;_x000D_
content: "\2713";_x000D_
text-align: center;_x000D_
}_x000D_
input[type="checkbox"]:checked + label:after {_x000D_
font-weight: bold;_x000D_
}_x000D_
_x000D_
input[type="checkbox"]:focus + label::before {_x000D_
outline: rgb(59, 153, 252) auto 5px;_x000D_
}
_x000D_
<div class="content">_x000D_
<div class="box">_x000D_
<p>_x000D_
<input type="checkbox" id="c1" name="cb">_x000D_
<label for="c1">Option 01</label>_x000D_
</p>_x000D_
<p>_x000D_
<input type="checkbox" id="c2" name="cb">_x000D_
<label for="c2">Option 02</label>_x000D_
</p>_x000D_
<p>_x000D_
<input type="checkbox" id="c3" name="cb">_x000D_
<label for="c3">Option 03</label>_x000D_
</p>_x000D_
</div>_x000D_
</div>
_x000D_
Much more stylish using :before
and :after
body{_x000D_
font-family: sans-serif; _x000D_
}_x000D_
_x000D_
.container {_x000D_
margin-top: 50px;_x000D_
margin-left: 20px;_x000D_
margin-right: 20px;_x000D_
}_x000D_
.checkbox {_x000D_
width: 100%;_x000D_
margin: 15px auto;_x000D_
position: relative;_x000D_
display: block;_x000D_
}_x000D_
_x000D_
.checkbox input[type="checkbox"] {_x000D_
width: auto;_x000D_
opacity: 0.00000001;_x000D_
position: absolute;_x000D_
left: 0;_x000D_
margin-left: -20px;_x000D_
}_x000D_
.checkbox label {_x000D_
position: relative;_x000D_
}_x000D_
.checkbox label:before {_x000D_
content: '';_x000D_
position: absolute;_x000D_
left: 0;_x000D_
top: 0;_x000D_
margin: 4px;_x000D_
width: 22px;_x000D_
height: 22px;_x000D_
transition: transform 0.28s ease;_x000D_
border-radius: 3px;_x000D_
border: 2px solid #7bbe72;_x000D_
}_x000D_
.checkbox label:after {_x000D_
content: '';_x000D_
display: block;_x000D_
width: 10px;_x000D_
height: 5px;_x000D_
border-bottom: 2px solid #7bbe72;_x000D_
border-left: 2px solid #7bbe72;_x000D_
-webkit-transform: rotate(-45deg) scale(0);_x000D_
transform: rotate(-45deg) scale(0);_x000D_
transition: transform ease 0.25s;_x000D_
will-change: transform;_x000D_
position: absolute;_x000D_
top: 12px;_x000D_
left: 10px;_x000D_
}_x000D_
.checkbox input[type="checkbox"]:checked ~ label::before {_x000D_
color: #7bbe72;_x000D_
}_x000D_
_x000D_
.checkbox input[type="checkbox"]:checked ~ label::after {_x000D_
-webkit-transform: rotate(-45deg) scale(1);_x000D_
transform: rotate(-45deg) scale(1);_x000D_
}_x000D_
_x000D_
.checkbox label {_x000D_
min-height: 34px;_x000D_
display: block;_x000D_
padding-left: 40px;_x000D_
margin-bottom: 0;_x000D_
font-weight: normal;_x000D_
cursor: pointer;_x000D_
vertical-align: sub;_x000D_
}_x000D_
.checkbox label span {_x000D_
position: absolute;_x000D_
top: 50%;_x000D_
-webkit-transform: translateY(-50%);_x000D_
transform: translateY(-50%);_x000D_
}_x000D_
.checkbox input[type="checkbox"]:focus + label::before {_x000D_
outline: 0;_x000D_
}
_x000D_
<div class="container"> _x000D_
<div class="checkbox">_x000D_
<input type="checkbox" id="checkbox" name="" value="">_x000D_
<label for="checkbox"><span>Checkbox</span></label>_x000D_
</div>_x000D_
_x000D_
<div class="checkbox">_x000D_
<input type="checkbox" id="checkbox2" name="" value="">_x000D_
<label for="checkbox2"><span>Checkbox</span></label>_x000D_
</div>_x000D_
</div>
_x000D_
The suggested technique above in Dave's answer is certainly a good design practice, and yes ultimately the required permission must be set in the AndroidManifest.xml file to access the external storage.
However, the Mono-esque way to add most (if not all, not sure) "manifest options" is through the attributes of the class implementing the activity (or service).
The Visual Studio Mono plugin automatically generates the manifest, so its best not to manually tamper with it (I'm sure there are cases where there is no other option).
For example:
[Activity(Label="MonoDroid App", MainLauncher=true, Permission="android.permission.WRITE_EXTERNAL_STORAGE")]
public class MonoActivity : Activity
{
protected override void OnCreate(Bundle bindle)
{
base.OnCreate(bindle);
}
}
No, there isn't, but you can easily make one:
#Your ascii.py program:
def charlist(begin, end):
charlist = []
for i in range(begin, end):
charlist.append(chr(i))
return ''.join(charlist)
#Python shell:
#import ascii
#print(ascii.charlist(50, 100))
#Comes out as:
#23456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abc
If your rows are not equal you can also use map
:
>>> uneven = [['a','b','c'],['d','e'],['g','h','i']]
>>> map(None,*uneven)
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', None, 'i')]
Edit: In Python 3 the functionality of map
changed, itertools.zip_longest
can be used instead:
Source: What’s New In Python 3.0
>>> import itertools
>>> uneven = [['a','b','c'],['d','e'],['g','h','i']]
>>> list(itertools.zip_longest(*uneven))
[('a', 'd', 'g'), ('b', 'e', 'h'), ('c', None, 'i')]
The following steps work fine on macOS Sierra 10.12.4. Note that after brew installs Docker, the docker
command (symbolic link) is not available at /usr/local/bin
. Running the Docker app for the first time creates this symbolic link. See the detailed steps below.
Install Docker.
brew cask install docker
Launch Docker.
Docker
to launch Docker.When Docker is launched in this manner, a Docker whale icon appears in the status menu. As soon as the whale icon appears, the symbolic links for docker
, docker-compose
, docker-credential-osxkeychain
and docker-machine
are created in /usr/local/bin
.
$ ls -l /usr/local/bin/docker*
lrwxr-xr-x 1 susam domain Users 67 Apr 12 14:14 /usr/local/bin/docker -> /Users/susam/Library/Group Containers/group.com.docker/bin/docker
lrwxr-xr-x 1 susam domain Users 75 Apr 12 14:14 /usr/local/bin/docker-compose -> /Users/susam/Library/Group Containers/group.com.docker/bin/docker-compose
lrwxr-xr-x 1 susam domain Users 90 Apr 12 14:14 /usr/local/bin/docker-credential-osxkeychain -> /Users/susam/Library/Group Containers/group.com.docker/bin/docker-credential-osxkeychain
lrwxr-xr-x 1 susam domain Users 75 Apr 12 14:14 /usr/local/bin/docker-machine -> /Users/susam/Library/Group Containers/group.com.docker/bin/docker-machine
Click on the docker whale icon in the status menu and wait for it to show Docker is running.
Test that docker works fine.
$ docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
78445dd45222: Pull complete
Digest: sha256:c5515758d4c5e1e838e9cd307f6c6a0d620b5e07e6f927b07d05f6d12a1ac8d7
Status: Downloaded newer image for hello-world:latest
Hello from Docker!
This message shows that your installation appears to be working correctly.
To generate this message, Docker took the following steps:
1. The Docker client contacted the Docker daemon.
2. The Docker daemon pulled the "hello-world" image from the Docker Hub.
3. The Docker daemon created a new container from that image which runs the
executable that produces the output you are currently reading.
4. The Docker daemon streamed that output to the Docker client, which sent it
to your terminal.
To try something more ambitious, you can run an Ubuntu container with:
$ docker run -it ubuntu bash
Share images, automate workflows, and more with a free Docker ID:
https://cloud.docker.com/
For more examples and ideas, visit:
https://docs.docker.com/engine/userguide/
$ docker version
Client:
Version: 17.03.1-ce
API version: 1.27
Go version: go1.7.5
Git commit: c6d412e
Built: Tue Mar 28 00:40:02 2017
OS/Arch: darwin/amd64
Server:
Version: 17.03.1-ce
API version: 1.27 (minimum version 1.12)
Go version: go1.7.5
Git commit: c6d412e
Built: Fri Mar 24 00:00:50 2017
OS/Arch: linux/amd64
Experimental: true
If you are going to use docker-machine
to create virtual machines, install VirtualBox.
brew cask install virtualbox
Note that if VirtualBox is not installed, then docker-machine
fails with the following error.
$ docker-machine create manager
Running pre-create checks...
Error with pre-create check: "VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path"
Simplest way I can think of:
# checking whether foo is a boolean
!!foo == foo
A bit late to the party, but Krux has created a script for this, called Postscribe. We were able to use this to get past this issue.
Are the files on the same server as the PHP script? If so, just keep the files out of the web root and make sure your PHP script has read permissions for wherever they're stored.
This following code is enough
RecyclerView recyclerView;
LinearLayoutManager layoutManager = new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL,true);
recyclerView.setLayoutManager(layoutManager);
You could set an interceptor "ClientHttpRequestInterceptor" in your RestTemplate to avoid setting the header every time you send a request.
public class HeaderRequestInterceptor implements ClientHttpRequestInterceptor {
private final String headerName;
private final String headerValue;
public HeaderRequestInterceptor(String headerName, String headerValue) {
this.headerName = headerName;
this.headerValue = headerValue;
}
@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
request.getHeaders().set(headerName, headerValue);
return execution.execute(request, body);
}
}
Then
List<ClientHttpRequestInterceptor> interceptors = new ArrayList<ClientHttpRequestInterceptor>();
interceptors.add(new HeaderRequestInterceptor("Accept", MediaType.APPLICATION_JSON_VALUE));
RestTemplate restTemplate = new RestTemplate();
restTemplate.setInterceptors(interceptors);
Assuming you have a form like this:
<form id="myForm" action="foo.php" method="post">
<input type="text" value="" />
<input type="submit" value="submit form" />
</form>
You can attach a onsubmit
-event with jQuery like this:
$('#myForm').submit(function() {
alert('Handler for .submit() called.');
return false;
});
If you return false
the form won't be submitted after the function, if you return true or nothing it will submit as usual.
See the jQuery documentation for more info.
In my case, CSS did not fix the issue. I noticed the problem while using jQuery re-render a button.
$("#myButton").html("text")
Try this
$("#myButton").html("<span>text</span>")
for each project in your solution make sure that
Properties > Config. Properties > General > Platform Toolset
is one for all of them, v100 for visual studio 2010, v110 for visual studio 2012
you also may be working on v100 from visual studio 2012
I don't recommend storing passwords in a script, but this is a way to what you indicate:
use 5.010;
my %user_table = ( tom => '123!', frank => '321!' );
say ( $user_table{ $name } eq $password ? 'You have gained access.'
: 'Access denied!'
);
Any time you want to enforce an association like this, it's a good idea to think of a table, and the most common form of table in Perl is the hash.
Actually, it is as simple as setting major
and minor
separately:
In [9]: plot([23, 456, 676, 89, 906, 34, 2345])
Out[9]: [<matplotlib.lines.Line2D at 0x6112f90>]
In [10]: yscale('log')
In [11]: grid(b=True, which='major', color='b', linestyle='-')
In [12]: grid(b=True, which='minor', color='r', linestyle='--')
The gotcha with minor grids is that you have to have minor tick marks turned on too. In the above code this is done by yscale('log')
, but it can also be done with plt.minorticks_on()
.
What you're looking for is called a watchpoint.
Usage
(gdb) watch foo
: watch the value of variable foo
(gdb) watch *(int*)0x12345678
: watch the value pointed by an address, casted to whatever type you want
(gdb) watch a*b + c/d
: watch an arbitrarily complex expression, valid in the program's native language
Watchpoints are of three kinds:
You may choose the more appropriate for your needs.
For more information, check this out.
You can retrieve the group ID the same way. It appears in the message body as message.chat.id
and it's usually a negative number, where normal chats are positive.
Group IDs and Chat IDs can only be retrieved from a received message, there are no calls available to retrieve active groups etc. You have to remember the group ID when you receive the message and store it in cache or something similar.
localhost is a special hostname that almost always resolves to 127.0.0.1. If you ask someone else to connect to http://localhost
they'll be connecting to their computer instead or yours.
To share your web server with someone else you'll need to find your IP address or your hostname and provide that to them instead. On windows you can find this with ipconfig /all
on a command line.
You'll also need to make sure any firewalls you may have configured allow traffic on port 80 to connect to the WAMP server.
String s = "";
s.length();
String s = null;
s.length();
A reference to an empty string ""
points to an object in the heap - so you can call methods on it.
But a reference pointing to null
has no object to point in the heap and thus you'll get a NullPointerException
.
This seems a little confused.
Opening your application in another window or tab will require your entire application to be re-bootstrapped, and then for your router to... pick up that url, convert it into a route, and load the appropriate component.
This is exactly what will happen if you just use a link instead. In fact, that's all that's happening.
The point of the router is to swap components in and out of your router-outlet, which is something that's been bootstrapped and exists within the confines of your running application and isn't shared across multiple windows.
java -d64 -Xms512m -Xmx4g HelloWorld
where, -d64: Will enable 64-bit JVM -Xms512m: Will set initial heap size as 512 MB -Xmx4g: Will set maximum heap size as 4 GB (here java file name is : HelloWorld.java)
while True
means loop forever. The while
statement takes an expression and executes the loop body while the expression evaluates to (boolean) "true". True
always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an idiom that you'll just get used to eventually! Most languages you're likely to encounter have equivalent idioms.
Note that most languages usually have some mechanism for breaking out of the loop early. In the case of Python it's the break
statement in the cmd == 'e'
case of the sample in your question.
Here is the simplest solution:
a= input("Choose the option\n")
if(int(a)):
print (a);
else:
print("Try Again")
I had this error message when trying "hello world" like things with Qt. The problems went away by correctly running the qt moc (meta object compiler) and compiling+including these moc-generated files correctly.
For convenience, here is Irritate's algorithm in a Java form. Add error checking, exception handling and tweak as necessary.
public class Algorithms {
public static double scale(final double valueIn, final double baseMin, final double baseMax, final double limitMin, final double limitMax) {
return ((limitMax - limitMin) * (valueIn - baseMin) / (baseMax - baseMin)) + limitMin;
}
}
Tester:
final double baseMin = 0.0;
final double baseMax = 360.0;
final double limitMin = 90.0;
final double limitMax = 270.0;
double valueIn = 0;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));
valueIn = 360;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));
valueIn = 180;
System.out.println(Algorithms.scale(valueIn, baseMin, baseMax, limitMin, limitMax));
90.0
270.0
180.0
Use the boolean()
XPath function
The boolean function converts its argument to a boolean as follows:
a number is true if and only if it is neither positive or negative zero nor NaN
a node-set is true if and only if it is non-empty
a string is true if and only if its length is non-zero
an object of a type other than the four basic types is converted to a boolean in a way that is dependent on that type
If there is an AttachedXml in the CreditReport of primary Consumer, then it will return true()
.
boolean(/mc:Consumers
/mc:Consumer[@subjectIdentifier='Primary']
//mc:CreditReport/mc:AttachedXml)
If you won't always have images posting to your action, you can do something like this:
[HttpPost]
public ActionResult Uploadfile(Container container, HttpPostedFileBase file)
{
//do container stuff
if (Request.Files != null)
{
foreach (string requestFile in Request.Files)
{
HttpPostedFileBase file = Request.Files[requestFile];
if (file.ContentLength > 0)
{
string fileName = Path.GetFileName(file.FileName);
string directory = Server.MapPath("~/App_Data/uploads/");
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string path = Path.Combine(directory, fileName);
file.SaveAs(path);
}
}
}
}
You can for example create an instance of List<object>
, which implements IEnumerable<object>
. Example:
List<object> list = new List<object>();
list.Add(1);
list.Add(4);
list.Add(5);
IEnumerable<object> en = list;
CallFunction(en);
I think that would be better if we use directly the split function
String toSplit = "/abc/def/ghfj.doc";
String result[] = toSplit.split("/");
String returnValue = result[result.length - 1]; //equals "ghfj.doc"
//program to form1 to form2
private void button1_Click(object sender, EventArgs e)
{
//MessageBox.Show("Welcome Admin");
Form2 frm = new Form2();
frm.Show();
this.Hide();
}
Use doc.childNodes
to iterate through each span
, and then filter the one whose className
equals 4
:
var doc = document.getElementById("test");
var notes = null;
for (var i = 0; i < doc.childNodes.length; i++) {
if (doc.childNodes[i].className == "4") {
notes = doc.childNodes[i];
break;
}
}
?
Welcome to Java! This Nodes are like a blocks, they must be assembled to do amazing things! In this particular case, your nodes can represent a list, a linked list, You can see an example here:
public class ItemLinkedList {
private ItemInfoNode head;
private ItemInfoNode tail;
private int size = 0;
public int getSize() {
return size;
}
public void addBack(ItemInfo info) {
size++;
if (head == null) {
head = new ItemInfoNode(info, null, null);
tail = head;
} else {
ItemInfoNode node = new ItemInfoNode(info, null, tail);
this.tail.next =node;
this.tail = node;
}
}
public void addFront(ItemInfo info) {
size++;
if (head == null) {
head = new ItemInfoNode(info, null, null);
tail = head;
} else {
ItemInfoNode node = new ItemInfoNode(info, head, null);
this.head.prev = node;
this.head = node;
}
}
public ItemInfo removeBack() {
ItemInfo result = null;
if (head != null) {
size--;
result = tail.info;
if (tail.prev != null) {
tail.prev.next = null;
tail = tail.prev;
} else {
head = null;
tail = null;
}
}
return result;
}
public ItemInfo removeFront() {
ItemInfo result = null;
if (head != null) {
size--;
result = head.info;
if (head.next != null) {
head.next.prev = null;
head = head.next;
} else {
head = null;
tail = null;
}
}
return result;
}
public class ItemInfoNode {
private ItemInfoNode next;
private ItemInfoNode prev;
private ItemInfo info;
public ItemInfoNode(ItemInfo info, ItemInfoNode next, ItemInfoNode prev) {
this.info = info;
this.next = next;
this.prev = prev;
}
public void setInfo(ItemInfo info) {
this.info = info;
}
public void setNext(ItemInfoNode node) {
next = node;
}
public void setPrev(ItemInfoNode node) {
prev = node;
}
public ItemInfo getInfo() {
return info;
}
public ItemInfoNode getNext() {
return next;
}
public ItemInfoNode getPrev() {
return prev;
}
}
}
EDIT:
Declare ItemInfo as this:
public class ItemInfo {
private String name;
private String rfdNumber;
private double price;
private String originalPosition;
public ItemInfo(){
}
public ItemInfo(String name, String rfdNumber, double price, String originalPosition) {
this.name = name;
this.rfdNumber = rfdNumber;
this.price = price;
this.originalPosition = originalPosition;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getRfdNumber() {
return rfdNumber;
}
public void setRfdNumber(String rfdNumber) {
this.rfdNumber = rfdNumber;
}
public double getPrice() {
return price;
}
public void setPrice(double price) {
this.price = price;
}
public String getOriginalPosition() {
return originalPosition;
}
public void setOriginalPosition(String originalPosition) {
this.originalPosition = originalPosition;
}
}
Then, You can use your nodes inside the linked list like this:
public static void main(String[] args) {
ItemLinkedList list = new ItemLinkedList();
for (int i = 1; i <= 10; i++) {
list.addBack(new ItemInfo("name-"+i, "rfd"+i, i, String.valueOf(i)));
}
while (list.size() > 0){
System.out.println(list.removeFront().getName());
}
}
For those on OSX, I used the following binary to get libpng and libjpeg installed systemwide:
Because I already had PIL installed (via pip on a virtualenv), I ran:
pip uninstall PIL
pip install PIL --upgrade
This resolved the decoder JPEG not available
error for me.
UPDATE (4/24/14):
Newer versions of pip require additional flags to download libraries (including PIL) from external sources. Try the following:
pip install PIL --allow-external PIL --allow-unverified PIL
See the following answer for additional info: pip install PIL dont install into virtualenv
UPDATE 2:
If on OSX Mavericks, you'll want to set the ARCHFLAGS
flag as @RicardoGonzales comments below:
ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install PIL --allow-external PIL --allow-unverified PIL
Make sure you are using the SSH URL for the GitHub repository rather than the HTTPS URL. It will ask for username and password when you are using HTTPS and not SSH. You can check the file .git/config
or run git config -e
or git remote show origin
to verify the URL and change it if needed.
Just access the element and append it to the value.
<input
type="button"
onclick="document.getElementById('myTextArea').value += '•'"
value="Add •">
See a live demo.
For the sake of keeping things simple, I haven't written unobtrusive JS. For a production system you should.
Also it needs to be a UTF8 character.
Browsers generally submit forms using the encoding they received the page in. Serve your page as UTF-8 if you want UTF-8 data submitted back.
Yes you can!
As of November 2016, Microsoft now has integrated .NET Core in it's official .NET Site
They even have a new Visual Studio app that runs on MacOS
Let us assume you hit a url as www.example.com/test/111 . Now you have to retrieve value 111 (which is dynamic) to your controller method .At time you ll be using @PathVariable as follows :
@RequestMapping(value = " /test/{testvalue}", method=RequestMethod.GET)
public void test(@PathVariable String testvalue){
//you can use test value here
}
SO the variable value is retrieved from the url