PHP Strings: PHP Strings can be specified in four ways not just two ways:
1) Single Quote Strings:
$string = 'This is my string'; // print This is my string
2) Double Quote Strings:
$str = 'string';
$string = "This is my $str"; // print This is my string
3) Heredoc:
$string = <<<EOD
This is my string
EOD; // print This is my string
4) Nowdoc (since PHP 5.3.0):
$string = <<<'END_OF_STRING'
This is my string
END_OF_STRING; // print This is my string
It's between the Z and the C on your keyboard.
Why don't you just save/serve the CSS file as UTF-8?
nav a:hover:after {
content: "?";
}
If that's not good enough, and you want to keep it all-ASCII:
nav a:hover:after {
content: "\2193";
}
The general format for a Unicode character inside a string is \000000
to \FFFFFF
– a backslash followed by six hexadecimal digits. You can leave out leading 0
digits when the Unicode character is the last character in the string or when you add a space after the Unicode character. See the spec below for full details.
Relevant part of the CSS2 spec:
Third, backslash escapes allow authors to refer to characters they cannot easily put in a document. In this case, the backslash is followed by at most six hexadecimal digits (0..9A..F), which stand for the ISO 10646 ([ISO10646]) character with that number, which must not be zero. (It is undefined in CSS 2.1 what happens if a style sheet does contain a character with Unicode codepoint zero.) If a character in the range [0-9a-fA-F] follows the hexadecimal number, the end of the number needs to be made clear. There are two ways to do that:
- with a space (or other white space character): "\26 B" ("&B"). In this case, user agents should treat a "CR/LF" pair (U+000D/U+000A) as a single white space character.
- by providing exactly 6 hexadecimal digits: "\000026B" ("&B")
In fact, these two methods may be combined. Only one white space character is ignored after a hexadecimal escape. Note that this means that a "real" space after the escape sequence must be doubled.
If the number is outside the range allowed by Unicode (e.g., "\110000" is above the maximum 10FFFF allowed in current Unicode), the UA may replace the escape with the "replacement character" (U+FFFD). If the character is to be displayed, the UA should show a visible symbol, such as a "missing character" glyph (cf. 15.2, point 5).
- Note: Backslash escapes are always considered to be part of an identifier or a string (i.e., "\7B" is not punctuation, even though "{" is, and "\32" is allowed at the start of a class name, even though "2" is not).
The identifier "te\st" is exactly the same identifier as "test".
Comprehensive list: Unicode Character 'DOWNWARDS ARROW' (U+2193).
If you want to keep only numbers then use /[^0-9]+/
instead of /[^a-zA-Z]+/
Add a metatag to your header
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
This expands the amount of characters you can use.
Use the ? symbol (encoded as ⚲
or ⚲
), and rotate it to achieve the desired effect:
<div style="-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);">
⚲
</div>
It rotates a symbol :)
I'm using ▐ ▌
HTML: ▐ ▌
CSS: \2590\A0\258C
That is taking the parameter by reference. So in the first case you are taking a pointer parameter by reference so whatever modification you do to the value of the pointer is reflected outside the function. Second is the simlilar to first one with the only difference being that it is a double pointer. See this example:
void pass_by_value(int* p)
{
//Allocate memory for int and store the address in p
p = new int;
}
void pass_by_reference(int*& p)
{
p = new int;
}
int main()
{
int* p1 = NULL;
int* p2 = NULL;
pass_by_value(p1); //p1 will still be NULL after this call
pass_by_reference(p2); //p2 's value is changed to point to the newly allocate memory
return 0;
}
If you want to count the number of instances of strings with more than a single character, you can either use the previous solution with regex, or this solution uses STRING_SPLIT, which I believe was introduced in SQL Server 2016. Also you’ll need compatibility level 130 and higher.
ALTER DATABASE [database_name] SET COMPATIBILITY_LEVEL = 130
.
--some data
DECLARE @table TABLE (col varchar(500))
INSERT INTO @table SELECT 'whaCHAR(10)teverCHAR(10)whateverCHAR(10)'
INSERT INTO @table SELECT 'whaCHAR(10)teverwhateverCHAR(10)'
INSERT INTO @table SELECT 'whaCHAR(10)teverCHAR(10)whateverCHAR(10)~'
--string to find
DECLARE @string varchar(100) = 'CHAR(10)'
--select
SELECT
col
, (SELECT COUNT(*) - 1 FROM STRING_SPLIT (REPLACE(REPLACE(col, '~', ''), 'CHAR(10)', '~'), '~')) AS 'NumberOfBreaks'
FROM @table
nm -g list the extern variable, which is not necessary exported symbol. Any non-static file scope variable(in C) are all extern variable.
nm -D will list the symbol in the dynamic table, which you can find it's address by dlsym.
nm --version
GNU nm 2.17.50.0.6-12.el5 20061020
I feel like I should add my answer to this because it took me quite long to make this work:
This answer is for you if:
bquote
) in your labels and I basically put the labels in a named vector so labels would not get confused or switched. The labeller
expression could probably be simpler, but this at least works (improvements are very welcome). Note the ` (back quotes) to protect the facet-factor.
n <- 10
x <- seq(0, 300, length.out = n)
# I have my data in a "long" format
my_data <- data.frame(
Type = as.factor(c(rep('dl/l', n), rep('alpha', n))),
T = c(x, x),
Value = c(x*0.1, sqrt(x))
)
# the label names as a named vector
type_names <- c(
`nonsense` = "this is just here because it looks good",
`dl/l` = Linear~Expansion~~Delta*L/L[Ref]~"="~"[%]", # bquote expression
`alpha` = Linear~Expansion~Coefficient~~alpha~"="~"[1/K]"
)
ggplot() +
geom_point(data = my_data, mapping = aes(T, Value)) +
facet_wrap(. ~ Type, scales="free_y",
labeller = label_bquote(.(as.expression(
eval(parse(text = paste0('type_names', '$`', Type, '`')))
)))) +
labs(x="Temperature [K]", y="", colour = "") +
theme(legend.position = 'none')
You can check Enumify, a very good and well featured library for ES6 enums.
From System Preferences, turn on the "Show Keyboard & Character Viewer in menu bar" setting.
Then, the "Character Viewer" menu will pop up a tool that will let you search for any unicode character (by name) and insert it ? you're all set.
There's no mystery here, the linker is telling you that you haven't defined the missing symbols, and you haven't.
Similarity::Similarity()
or Similarity::~Similarity()
are just missing and you have defined the others incorrectly,
void Similarity::readData(Scanner& inStream){
}
not
void readData(Scanner& inStream){
}
etc. etc.
The second one is a function called readData, only the first is the readData method of the Similarity class.
To be clear about this, in Similarity.h
void readData(Scanner& inStream);
but in Similarity.cpp
void Similarity::readData(Scanner& inStream){
}
Please try the following solution:
<span style='font-family:Arial;'>₹</span>
This will be displayed as : ₹
This one seems to imply that 030 and 031 are up and down triangles.
(As bobince pointed out, this doesn't seem to be an ASCII standard)
In math, ? means FOR ALL.
Unicode character (\u2200, ?).
This may also happen if you have a slash before the folder name:
path = '/folder1/folder2'
OSError: [Errno 13] Permission denied: '/folder1'
comes up with an error but this one works fine:
path = 'folder1/folder2'
Following @Joshua's suggestion, here's one way you might count the number of observations in your df
dataframe where Year
= 2007 and Month
= Nov (assuming they are columns):
nrow(df[,df$YEAR == 2007 & df$Month == "Nov"])
and with aggregate
, following @GregSnow:
aggregate(x ~ Year + Month, data = df, FUN = length)
The project can be removed from the "recent project" list but it will still remain in the project directory. To remove from the project list:
To completely remove the project:
OBJECT vs. EMBED - why not always use embed?
Bottom line: OBJECT is Good, EMBED is Old. Beside's IE's PARAM tags, any content between OBJECT tags will get rendered if the browser doesn't support OBJECT's referred plugin, and apparently, the content gets http requested regardless if it gets rendered or not.
object
is the current standard tag to embed something on a page. embed
was included by Netscape (along img
) before anything like object
were on the w3c mind.
This is how you include a PDF with object
:
<object data="data/test.pdf" type="application/pdf" width="300" height="200">
alt : <a href="data/test.pdf">test.pdf</a>
</object>
If you really need the inline PDF to show in almost every browser, as older browsers understand embed
but not object
, you'll need to do this:
<object data="abc.pdf" type="application/pdf">
<embed src="abc.pdf" type="application/pdf" />
</object>
This version does not validate.
Bob Lee said once in a presentation:
whats the point of an interface if you have only one implementation.
so, you start off with one implementation i.e. without an interface. later on you decide, well, there is a need for an interface here, so you convert your class to an interface.
then it becomes obvious: your original class was called User. your interface is now called User. maybe you have a UserProdImpl and a UserTestImpl. if you designed your application well, every class (except the ones that instantiate User) will be unchanged and will not notice that suddenly they get passed an interface.
so it gets clear -> Interface User implementation UserImpl.
This is my case:
//given
ObjectA a = new ObjectA();
ObjectB b = mock(ObjectB.class);
when(b.call()).thenReturn(a);
Target target = spy(new Target());
doReturn(b).when(target).method1();
//when
String result = target.method2();
Then I get this error:
org.mockito.exceptions.misusing.WrongTypeOfReturnValue:
ObjectB$$EnhancerByMockitoWithCGLIB$$2eaf7d1d cannot be returned by method2()
method2() should return String
Can you guess?
The problem is that Target.method1() is a static method. Mockito completely warns me to another thing.
I think Piko means in his response that there is the hbm file. I have a file called Tax.java. The mapping information are saved in the hbm (=hibernate mapping) file. In the class tag there is a property called lazy. Set that property to true. The following hbm example shows a way to set the lazy property to false.
` id ...'
If you are using Annotations instead look in the hibernate documenation. http://docs.jboss.org/hibernate/stable/annotations/reference/en/html_single/
I hope that helped.
Also this issue occurres when the response contenttype is not application/json
. In my case response contenttype was text/html
and i faced this problem. I changed it to application/json
then it worked.
it's pretty painless to pop a couple methods in a file that will handle asynchronous data in a serialized order and give a more conventional flavour to your code. For example:
module.exports = function () {
var self = this;
this.each = async (items, fn) => {
if (items && items.length) {
await Promise.all(
items.map(async (item) => {
await fn(item);
}));
}
};
this.reduce = async (items, fn, initialValue) => {
await self.each(
items, async (item) => {
initialValue = await fn(initialValue, item);
});
return initialValue;
};
};
now, assuming that's saved at './myAsync.js' you can do something similar to the below in an adjacent file:
...
/* your server setup here */
...
var MyAsync = require('./myAsync');
var Cat = require('./models/Cat');
var Doje = require('./models/Doje');
var example = async () => {
var myAsync = new MyAsync();
var doje = await Doje.findOne({ name: 'Doje', noises: [] }).save();
var cleanParams = [];
// FOR EACH EXAMPLE
await myAsync.each(['bork', 'concern', 'heck'],
async (elem) => {
if (elem !== 'heck') {
await doje.update({ $push: { 'noises': elem }});
}
});
var cat = await Cat.findOne({ name: 'Nyan' });
// REDUCE EXAMPLE
var friendsOfNyanCat = await myAsync.reduce(cat.friends,
async (catArray, friendId) => {
var friend = await Friend.findById(friendId);
if (friend.name !== 'Long cat') {
catArray.push(friend.name);
}
}, []);
// Assuming Long Cat was a friend of Nyan Cat...
assert(friendsOfNyanCat.length === (cat.friends.length - 1));
}
You can use pd.to_datetime()
to convert to a datetime object. It takes a format parameter, but in your case I don't think you need it.
>>> import pandas as pd
>>> df = pd.DataFrame( {'Symbol':['A','A','A'] ,
'Date':['02/20/2015','01/15/2016','08/21/2015']})
>>> df
Date Symbol
0 02/20/2015 A
1 01/15/2016 A
2 08/21/2015 A
>>> df['Date'] =pd.to_datetime(df.Date)
>>> df.sort('Date') # This now sorts in date order
Date Symbol
0 2015-02-20 A
2 2015-08-21 A
1 2016-01-15 A
For future search, you can change the sort statement:
>>> df.sort_values(by='Date') # This now sorts in date order
Date Symbol
0 2015-02-20 A
2 2015-08-21 A
1 2016-01-15 A
To plot multiple graphs on the same figure you will have to do:
from numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0, 2*math.pi, 400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, 'r') # plotting t, a separately
plt.plot(t, b, 'b') # plotting t, b separately
plt.plot(t, c, 'g') # plotting t, c separately
plt.show()
If you can't just use filter join but need to perform some operations on the array's entry:
{% for entry in array %}
User {{ entry.attribute1 }} has id {{ entry.attribute2 }}
{% if not loop.last %}, {% endif %}
{% endfor %}
Use MyClass.class.getClassLoader().getResourceAsStream(path)
to load resource associated with your code. Use MyClass.class.getResourceAsStream(path)
as a shortcut, and for resources packaged within your class' package.
Use Thread.currentThread().getContextClassLoader().getResourceAsStream(path)
to get resources that are part of client code, not tightly bounds to the calling code. You should be careful with this as the thread context class loader could be pointing at anything.
You can use following code to read file in String from resource folder.
final Resource resource = new ClassPathResource("public.key");
String publicKey = null;
try {
publicKey = new String(Files.readAllBytes(resource.getFile().toPath()), StandardCharsets.UTF_8);
} catch (IOException e) {
e.printStackTrace();
}
As mentioned in other answers: "The new line character is \n. It is used inside a string".
I found the most simple and readable way is to use the "format" function, using nl as the name for a new line, and break the string you want to print to the exact format you going to print it:
python2:
print("line1{nl}"
"line2{nl}"
"line3".format(nl="\n"))
python3:
nl = "\n"
print(f"line1{nl}"
f"line2{nl}"
f"line3")
That will output:
line1
line2
line3
This way it performs the task, and also gives high readability of the code :)
String emailData = {"to": "[email protected]","subject":"User details","body": "The user has completed his training"
}
// Java model class
public class EmailData {
public String to;
public String subject;
public String body;
}
//Final Data
Gson gson = new Gson();
EmailData emaildata = gson.fromJson(emailData, EmailData.class);
if vs2010 installed correctly
check file type (.cpp)
just build it again It will automatically fix,, ( if you are using VS 2010 )
In my case, I added a new record manually saved and again through shell tried to add new record this time it works perfectly check it out.
In [7]: from main.models import Flight
In [8]: f = Flight(origin="Florida", destination="Alaska", duration=10)
In [9]: f.save()
In [10]: Flight.objects.all()
Out[10]: <QuerySet [<Flight: Flight object (1)>, <Flight: Flight object (2)>, <Flight: Flight object (3)>, <Flight: Flight object (4)>]>
There seems to be a major mistake in almost all the current answers in that they show BOTH GET and POST data. Not ONLY POST data.
The issue with your code as the accepted answer mentioned is that you did not import the facade. This can imported by adding the following at the top:
use Request;
public function add_question(Request $request)
{
return Request::post();
}
You can also use the global request method like so (mentioned by @Canaan Etai), with no import required:
request()->post();
However, a better approach to importing Request
in a controller method is by dependency injection as mentioned in @shuvrow answer:
use Illuminate\Http\Request;
public function add_question(Request $request)
{
return $request->post();
}
More information about DI can be found here:
In either case, you should use:
// Show only POST data
$request->post(); // DI
request()->post(); // global method
Request::post(); // facade
// Show only GET data
$request->query(); // DI
request()->query(); // global method
Request::query(); // facade
// Show all data (i.e. both GET and POST data)
$request->all(); // DI
request()->all(); // global method
Request::all(); // facade
Ruby version:
caps = Selenium::WebDriver::Remote::Capabilities.chrome("chromeOptions" => {"args"=> ["--window-size=1280,960"]})
url = "http://localhost:9515" # if you are using local chrome or url = Browserstack/ saucelabs hub url if you are using cloud service providers.
Selenium::WebDriver.for(:remote, :url => url, :desired_capabilities => caps)
resize chrome is buggy in latest chromedrivers , it fails intermittanly with this failure message.
unknown error: cannot get automation extension
from timeout: cannot determine loading status
from timeout: Timed out receiving message from renderer: -65.294
(Session info: chrome=56.0.2924.76)
(Driver info: chromedriver=2.28.455517 (2c6d2707d8ea850c862f04ac066724273981e88f)
And resizeTo via javascript also not supported for chrome started via selenium webdriver. So the last option was using command line switches.
With the TabLayout
provided by the Material Components Library just use the selectTab
method:
TabLayout tabLayout = findViewById(R.id.tab_layout);
tabLayout.selectTab(tabLayout.getTabAt(index));
It requires version 1.1.0.
The lmplot
function returns a FacetGrid
instance. This object has a method called set
, to which you can pass key=value
pairs and they will be set on each Axes object in the grid.
Secondly, you can set only one side of an Axes limit in matplotlib by passing None
for the value you want to remain as the default.
Putting these together, we have:
g = sns.lmplot('X', 'Y', df, col='Z', sharex=False, sharey=False)
g.set(ylim=(0, None))
You can also prepend your command with env
to inject Environment variables like so:
0 * * * * env VARIABLE=VALUE /usr/bin/mycommand
<div id='printarea'>
<p>This is a sample text for printing purpose.</p>
</div>
<input type='button' id='btn' value='Print' onlick="printDiv()">
<p>Do not print.</p>
function printDiv(){
var printContents = document.getElementById("printarea").innerHTML;
var originalContents = document.body.innerHTML;
document.body.innerHTML = printContents;
window.print();
document.body.innerHTML = originalContents;
}
This Above function should be load on same page.
React Portals can let you render to elements outside the root React node (such at <title>
), as if they were actual React nodes. So now you can set the title cleanly and without any additional dependencies:
Here's an example:
import React, { Component } from 'react';
import ReactDOM from 'react-dom';
class Title extends Component {
constructor(props) {
super(props);
this.titleEl = document.getElementsByTagName("title")[0];
}
render() {
let fullTitle;
if(this.props.pageTitle) {
fullTitle = this.props.pageTitle + " - " + this.props.siteTitle;
} else {
fullTitle = this.props.siteTitle;
}
return ReactDOM.createPortal(
fullTitle || "",
this.titleEl
);
}
}
Title.defaultProps = {
pageTitle: null,
siteTitle: "Your Site Name Here",
};
export default Title;
Just put the component in the page and set pageTitle
:
<Title pageTitle="Dashboard" />
<Title pageTitle={item.name} />
JQuery has an inbuilt json data type for Ajax and converts the data into a object. PHP% also has inbuilt json_encode function which converts an array into json formatted string. Saves a lot of parsing, decoding effort.
This needs clarification. Is your server handling a POST that you want to redirect somewhere else? Or are you wanting to redirect a regulatr GET request to another page that is expecting a POST?
In either case what you can do is something like this:
var f = $('<form>');
$('<input>').attr('name', '...').attr('value', '...');
//after all fields are added
f.submit();
It's probably a good idea to make a link that says "click here if not automatically redirected" to deal with pop-up blockers.
Have a look at the Requests exception docs. In short:
In the event of a network problem (e.g. DNS failure, refused connection, etc), Requests will raise a
ConnectionError
exception.In the event of the rare invalid HTTP response, Requests will raise an
HTTPError
exception.If a request times out, a
Timeout
exception is raised.If a request exceeds the configured number of maximum redirections, a
TooManyRedirects
exception is raised.All exceptions that Requests explicitly raises inherit from
requests.exceptions.RequestException
.
To answer your question, what you show will not cover all of your bases. You'll only catch connection-related errors, not ones that time out.
What to do when you catch the exception is really up to the design of your script/program. Is it acceptable to exit? Can you go on and try again? If the error is catastrophic and you can't go on, then yes, you may abort your program by raising SystemExit (a nice way to both print an error and call sys.exit
).
You can either catch the base-class exception, which will handle all cases:
try:
r = requests.get(url, params={'s': thing})
except requests.exceptions.RequestException as e: # This is the correct syntax
raise SystemExit(e)
Or you can catch them separately and do different things.
try:
r = requests.get(url, params={'s': thing})
except requests.exceptions.Timeout:
# Maybe set up for a retry, or continue in a retry loop
except requests.exceptions.TooManyRedirects:
# Tell the user their URL was bad and try a different one
except requests.exceptions.RequestException as e:
# catastrophic error. bail.
raise SystemExit(e)
As Christian pointed out:
If you want http errors (e.g. 401 Unauthorized) to raise exceptions, you can call
Response.raise_for_status
. That will raise anHTTPError
, if the response was an http error.
An example:
try:
r = requests.get('http://www.google.com/nothere')
r.raise_for_status()
except requests.exceptions.HTTPError as err:
raise SystemExit(err)
Will print:
404 Client Error: Not Found for url: http://www.google.com/nothere
There is an abstraction lib available for PHP. Not sure what your client's box will support but if its Linux then certainly should support building a PHP query interface with this: http://adodb.sourceforge.net/ Hope that helps you.
Here's a simple-and-stupid approach: on input, discretize your polygons into a bitmap. To intersect, AND the bitmaps together. To produce output polygons, trace out the jaggy borders of the bitmap and smooth the jaggies using a polygon-approximation algorithm. (I don't remember if that link gives the most suitable algorithms, it's just the first Google hit. You might check out one of the tools out there to convert bitmap images to vector representations. Maybe you could call on them without reimplementing the algorithm?)
The most complex part would be tracing out the borders, I think.
Back in the early 90s I faced something like this problem at work, by the way. I muffed it: I came up with a (completely different) algorithm that would work on real-number coordinates, but seemed to run into a completely unfixable plethora of degenerate cases in the face of the realities of floating-point (and noisy input). Perhaps with the help of the internet I'd have done better!
new Double(object.toString());
But it seems weird to me that you're going from an Object to a Double. You should have a better idea what class of object you're starting with before attempting a conversion. You might have a bit of a code quality problem there.
Note that this is a conversion, not casting.
await Future.delayed(Duration(milliseconds: 1000));
Wow! when you use src
then src
of searchPic
must be used also.
document["pic1"].src = searchPic.src
looks better
In Excel, there is a way to embed relative reference to file or directory. You can try type in excel cell : =HYPERLINK("..\Name_of_file_or_folder\","DisplayLinkName")
You need to use the CONCAT()
function in MySQL for string concatenation:
UPDATE categories SET code = CONCAT(code, '_standard') WHERE id = 1;
There is no inherent ordering to a table. So, the row number itself is a meaningless metric.
However, you can get the row number of a result set by using the ROWNUM psuedocolumn or the ROW_NUMBER()
analytic function, which is more powerful.
As there is no ordering to a table both require an explicit ORDER BY clause in order to work.
select rownum, a.*
from ( select *
from student
where name like '%ram%'
order by branch
) a
or using the analytic query
select row_number() over ( order by branch ) as rnum, a.*
from student
where name like '%ram%'
Your syntax where name is like ...
is incorrect, there's no need for the IS, so I've removed it.
The ORDER BY here relies on a binary sort, so if a branch starts with anything other than B the results may be different, for instance b
is greater than B
.
The Miro video converter does a beautiful job and is drag-n-drop. http://www.mirovideoconverter.com/
BTW it's FREE and also very good for mobile device encoding.
You can do it using a jquery,
Use this code to link the button...
$(document).ready(function() {
$("#button_id").click(function() {
window.print();
return false;
});
});
This link may be also helpful: jQuery Print HTML Pdf Page Options Link
this command gives you a description of your operating system
cat /etc/os-release
java.lang.NoSuchMethodError: javax.servlet.ServletContext.getContextPath()Ljava/lang/String;
That method was added in Servlet 2.5.
So this problem can have at least 3 causes:
web.xml
is not declared conform Servlet 2.5 or newer.To solve it,
web.xml
complies Servlet 2.5 (or newer, at least the highest whatever your target runtime supports). For an example, see also somewhere halfway our servlets wiki page.servlet-api.jar
or j2ee.jar
in /WEB-INF/lib
or even worse, the JRE/lib
or JRE/lib/ext
. They do not belong there. This is a pretty common beginner's mistake in an attempt to circumvent compilation errors in an IDE, see also How do I import the javax.servlet API in my Eclipse project?.You have to check which Python you are using. I had the same problem because the Python I was using was not the same one that brew was using. In your command line:
which python
which brew
cd /usr/local/lib/python2.7/site-packages
ls
//you can see PyQt4 and sip are hereusr/local/lib/python2.7/site-packages
to your python path.open ~/.bash_profile
//you will open your bash_profile file in your editor'export PYTHONPATH=/usr/local/lib/python2.7/site-packages:$PYTHONPATH'
to your bash file and save itpython
import PyQt4
// it is ok nowWith reference to other answers above, here is my view -
there are ports involved on both client and server side.
for server/remote side, if you export the object without providing a port , remote object would use a random port to listen.
a client, when looks up the remote object, it would always use a random port on its side and will connect to the remote object port as listed above.
You could use 'now' as string to get today's/tomorrow's/yesterday's date:
$previousDay = date('Y-m-d', strtotime('now - 1day'));
$toDay = date('Y-m-d', strtotime('now'));
$nextDay = date('Y-m-d', strtotime('now + 1day'));
You need to change permissions on the folder bootstrap/css. Your super user may be able to access it but it doesn't mean apache or nginx have access to it, that's why you still need to change the permissions.
Tip: I usually make the apache/nginx's user group owner of that kind of folders and give 775 permission to it.
Add the below code
input[type="submit"]:hover {
border: 1px solid #999;
color: #000;
}
If you need only for these button then you can add id name
#paginate input[type="submit"]:hover {
border: 1px solid #999;
color: #000;
}
I happened to come up with a solution very similar to @Andrew, only DRY
class MetaFoo(type):
def __new__(mc1, name, bases, nmspc):
nmspc.update({'thingy': MetaFoo.thingy})
return super(MetaFoo, mc1).__new__(mc1, name, bases, nmspc)
@property
def thingy(cls):
if not inspect.isclass(cls):
cls = type(cls)
return cls._thingy
@thingy.setter
def thingy(cls, value):
if not inspect.isclass(cls):
cls = type(cls)
cls._thingy = value
class Foo(metaclass=MetaFoo):
_thingy = 23
class Bar(Foo)
_thingy = 12
This has the best of all answers:
The "metaproperty" is added to the class, so that it will still be a property of the instance
In my case, I actually customized _thingy
to be different for every child, without defining it in each class (and without a default value) by:
def __new__(mc1, name, bases, nmspc):
nmspc.update({'thingy': MetaFoo.services, '_thingy': None})
return super(MetaFoo, mc1).__new__(mc1, name, bases, nmspc)
You can create this Validator and import it in your component.
Basically validates the form input string:
To implement it in your project:
import in your component
import { NumberValidator } from '../../validators/number.validator';
inputNumber: ['', [NumberValidator.isInteger]],
(change)="deleteCharIfInvalid()"
to the input, if form.get('inputNumber').hasError('isInteger')
is true
, delete the last char inserted.// FILE: src/app/validators/number.validator.ts
import { FormControl } from '@angular/forms';
export interface ValidationResult {
[key: string]: boolean;
}
export class NumberValidator {
public static isInteger(control: FormControl): ValidationResult {
// check if string has a dot
let hasDot:boolean = control.value.indexOf('.') >= 0 ? true : false;
// convert string to number
let number:number = Math.floor(control.value);
// get result of isInteger()
let integer:boolean = Number.isInteger(number);
// validate conditions
let valid:boolean = !hasDot && integer && number>0;
console.log('isInteger > valid', hasDot, number, valid);
if (!valid) {
return { isInteger: true };
}
return null;
}
}
You can't declare an extern
local method inside of a method, or any other method with an attribute. Move your DLL import into the class:
using System.Runtime.InteropServices;
public class WindowHandling
{
[DllImport("User32.dll")]
public static extern int SetForegroundWindow(IntPtr point);
public void ActivateTargetApplication(string processName, List<string> barcodesList)
{
Process p = Process.Start("notepad++.exe");
p.WaitForInputIdle();
IntPtr h = p.MainWindowHandle;
SetForegroundWindow(h);
SendKeys.SendWait("k");
IntPtr processFoundWindow = p.MainWindowHandle;
}
}
Another way is with Arrays.setAll
, or Arrays.fill
:
String[] v = new String[1000];
Arrays.setAll(v, i -> Integer.toString(i * 30));
//v => ["0", "30", "60", "90"... ]
Arrays.fill(v, "initial value");
//v => ["initial value", "initial value"... ]
This is more usefull for initializing (possibly large) arrays where you can compute each element from its index.
Sometimes the command that cron needs to run is in a directory where cron has no access, typically on systems where users' home directories' permissions are 700 and the command is in that directory.
The correct shorthand is this:
$(function() {
// this behaves as if within document.ready
});
The code you posted…
(function($){
//some code
})(jQuery);
…creates an anonymous function and executes it immediately with jQuery
being passed in as the arg $
. All it effectively does is take the code inside the function and execute it like normal, since $
is already an alias for jQuery
. :D
Also useful is the coalesce operator ??:
VB:
Return Iif( s IsNot Nothing, s, "My Default Value" )
C#:
return s ?? "My Default Value";
.live()
has been removed in version 1.9 onwards.That means if you are upgrading from version 1.8 and earlier, you will notice things breaking if you do not follow the migration guide below. You must not simply replace .live()
with .on()
!
For quick/hot fixes on a live site, do not just replace the keyword live
with on
,
as the parameters are different!
.live(events, function)
should map to:
.on(eventType, selector, function)
The (child) selector is very important! If you do not need to use this for any reason, set it to null
.
before:
$('#mainmenu a').live('click', function)
after, you move the child element (a
) to the .on()
selector:
$('#mainmenu').on('click', 'a', function)
before:
$('.myButton').live('click', function)
after, you move the element (.myButton
) to the .on()
selector, and find the nearest parent element (preferably with an ID):
$('#parentElement').on('click', '.myButton', function)
If you do not know what to put as the parent, body
always works:
$('body').on('click', '.myButton', function)
This occurs if the password for the database is not given.
default="postgres://postgres:[email protected]:5432/DBname"
Package graphql-type-json supports custom-scalars type JSON. Use it can show all the field of your json objects. Here is the link of the example in ApolloGraphql Server. https://www.apollographql.com/docs/apollo-server/schema/scalars-enums/#custom-scalars
You can use image.shape to get the dimensions of the image. It returns 3 values. First value is width of an image, second is height and last one is channel. You dont need last value here so you can use below code to get height and width of image:
width, height = src.shape[:2]<br>
print(width, height)
first, you need to delete all old mysql data using
docker-compose down -v
after that add two lines in your docker-compose.yml
volumes:
- mysql-data:/var/lib/mysql
and
volumes:
mysql-data:
your final docker-compose.yml will looks like
version: '3.1'
services:
php:
build:
context: .
dockerfile: Dockerfile
ports:
- 80:80
volumes:
- ./src:/var/www/html/
db:
image: mysql
command: --default-authentication-plugin=mysql_native_password
restart: always
environment:
MYSQL_ROOT_PASSWORD: example
volumes:
- mysql-data:/var/lib/mysql
adminer:
image: adminer
restart: always
ports:
- 8080:8080
volumes:
mysql-data:
after that use this command
docker-compose up -d
now your data will persistent and will not be deleted even after using this command
docker-compose down
extra:- but if you want to delete all data then you will use
docker-compose down -v
Actually, it appears that urllib2 can do an HTTP HEAD request.
The question that @reto linked to, above, shows how to get urllib2 to do a HEAD request.
Here's my take on it:
import urllib2
# Derive from Request class and override get_method to allow a HEAD request.
class HeadRequest(urllib2.Request):
def get_method(self):
return "HEAD"
myurl = 'http://bit.ly/doFeT'
request = HeadRequest(myurl)
try:
response = urllib2.urlopen(request)
response_headers = response.info()
# This will just display all the dictionary key-value pairs. Replace this
# line with something useful.
response_headers.dict
except urllib2.HTTPError, e:
# Prints the HTTP Status code of the response but only if there was a
# problem.
print ("Error code: %s" % e.code)
If you check this with something like the Wireshark network protocol analazer, you can see that it is actually sending out a HEAD request, rather than a GET.
This is the HTTP request and response from the code above, as captured by Wireshark:
HEAD /doFeT HTTP/1.1
Accept-Encoding: identity
Host: bit.ly
Connection: close
User-Agent: Python-urllib/2.7HTTP/1.1 301 Moved
Server: nginx
Date: Sun, 19 Feb 2012 13:20:56 GMT
Content-Type: text/html; charset=utf-8
Cache-control: private; max-age=90
Location: http://www.kidsidebyside.org/?p=445
MIME-Version: 1.0
Content-Length: 127
Connection: close
Set-Cookie: _bit=4f40f738-00153-02ed0-421cf10a;domain=.bit.ly;expires=Fri Aug 17 13:20:56 2012;path=/; HttpOnly
However, as mentioned in one of the comments in the other question, if the URL in question includes a redirect then urllib2 will do a GET request to the destination, not a HEAD. This could be a major shortcoming, if you really wanted to only make HEAD requests.
The request above involves a redirect. Here is request to the destination, as captured by Wireshark:
GET /2009/05/come-and-draw-the-circle-of-unity-with-us/ HTTP/1.1
Accept-Encoding: identity
Host: www.kidsidebyside.org
Connection: close
User-Agent: Python-urllib/2.7
An alternative to using urllib2 is to use Joe Gregorio's httplib2 library:
import httplib2
url = "http://bit.ly/doFeT"
http_interface = httplib2.Http()
try:
response, content = http_interface.request(url, method="HEAD")
print ("Response status: %d - %s" % (response.status, response.reason))
# This will just display all the dictionary key-value pairs. Replace this
# line with something useful.
response.__dict__
except httplib2.ServerNotFoundError, e:
print (e.message)
This has the advantage of using HEAD requests for both the initial HTTP request and the redirected request to the destination URL.
Here's the first request:
HEAD /doFeT HTTP/1.1
Host: bit.ly
accept-encoding: gzip, deflate
user-agent: Python-httplib2/0.7.2 (gzip)
Here's the second request, to the destination:
HEAD /2009/05/come-and-draw-the-circle-of-unity-with-us/ HTTP/1.1
Host: www.kidsidebyside.org
accept-encoding: gzip, deflate
user-agent: Python-httplib2/0.7.2 (gzip)
You could remove the border and increase the padding:
li {_x000D_
display: inline-block;_x000D_
padding: 6px;_x000D_
border-width: 0px;_x000D_
}_x000D_
_x000D_
li:hover {_x000D_
border: 1px solid #FC0;_x000D_
padding: 5px;_x000D_
}
_x000D_
<ul>_x000D_
<li>Hovering is great</li>_x000D_
</ul>
_x000D_
Dim dr As DataRow()
dr = dt.Select("A="& a & "and B="& b & "and C=" & c,"A",DataViewRowState.CurrentRows)
Where A,B,C are the column names where second parameter is for sort expression
It is showing admin web console waiting for connections on port 28017.
The above message means that mongodb has started successfully and is listening on port 28017.
You can use the mongo shell(mongo.exe
) to connect to the mongoDB and perform db operations.
There are several GUI tools available for MongoDB like MongoVUE, etc.
Your declaration is int ttTreeInsert(int value);
However, your definition/implementation is
ttTree::ttTreeInsert(int value)
{
}
Notice that the return type int
is missing in the implementation. Instead it should be
int ttTree::ttTreeInsert(int value)
{
return 1; // or some valid int
}
The SET
command is TSQL specific - here's the PLSQL equivalent to what you posted:
v_date1 DATE := TO_DATE('03-AUG-2010', 'DD-MON-YYYY');
SELECT u.visualid
FROM USAGE u
WHERE u.usetime > v_date1;
There's also no need for prefixing variables with "@"; I tend to prefix variables with "v_" to distinguish between variables & columns/etc.
Note that if you run an npm install
or a yarn install
you need to change the code again!
So, how can we run this automatically?
To do this "automagically" after installing your node modules, you can use patch-package
.
metro-config
file, solving the error:The file appears in \node_modules\metro-config\src\defaults\blacklist.js
.
Edit from:
var sharedBlacklist = [
/node_modules[/\\]react[/\\]dist[/\\].*/,
/website\/node_modules\/.*/,
/heapCapture\/bundle\.js/,
/.*\/__tests__\/.*/
];
To:
var sharedBlacklist = [
/node_modules[\/\\]react[\/\\]dist[\/\\].*/,
/website\/node_modules\/.*/,
/heapCapture\/bundle\.js/,
/.*\/__tests__\/.*/
];
npx patch-package metro-config
package.json
trigger the patch:"scripts": {
+ "postinstall": "npx patch-package"
}
All done! Now this patch will be made at every npm install
/ yarn install
.
Thanks to https://github.com/ds300/patch-package
The following query can be used to detemine tablespace and other params:
select df.tablespace_name "Tablespace",
totalusedspace "Used MB",
(df.totalspace - tu.totalusedspace) "Free MB",
df.totalspace "Total MB",
round(100 * ( (df.totalspace - tu.totalusedspace)/ df.totalspace)) "Pct. Free"
from (select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
from dba_data_files
group by tablespace_name) df,
(select round(sum(bytes)/(1024*1024)) totalusedspace,
tablespace_name
from dba_segments
group by tablespace_name) tu
where df.tablespace_name = tu.tablespace_name
and df.totalspace <> 0;
Source: https://community.oracle.com/message/1832920
For your case if you want to know the partition name and it's size just run this query:
select owner,
segment_name,
partition_name,
segment_type,
bytes / 1024/1024 "MB"
from dba_segments
where owner = <owner_name>;
Two ways to convert the data-frame to its Numpy-array representation.
mah_np_array = df.as_matrix(columns=None)
mah_np_array = df.values
Doc: https://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.as_matrix.html
This may not be as slick as a one-liner, but I use it to perform date manipulation mainly for reports:
DECLARE @Date datetime
SET @Date = GETDATE()
-- Set all time components to zero
SET @Date = DATEADD(ms, -DATEPART(ms, @Date), @Date) -- milliseconds = 0
SET @Date = DATEADD(ss, -DATEPART(ss, @Date), @Date) -- seconds = 0
SET @Date = DATEADD(mi, -DATEPART(mi, @Date), @Date) -- minutes = 0
SET @Date = DATEADD(hh, -DATEPART(hh, @Date), @Date) -- hours = 0
-- Extra manipulation for month and year
SET @Date = DATEADD(dd, -DATEPART(dd, @Date) + 1, @Date) -- day = 1
SET @Date = DATEADD(mm, -DATEPART(mm, @Date) + 1, @Date) -- month = 1
I use this to get hourly, daily, monthly, and yearly dates used for reporting and performance indicators, etc.
You can have multiple .gitignore
, each one of course in its own directory.
To check which gitignore rule is responsible for ignoring a file, use git check-ignore
: git check-ignore -v -- afile
.
And you can have different version of a .gitignore
file per branch: I have already seen that kind of configuration for ensuring one branch ignores a file while the other branch does not: see this question for instance.
If your repo includes several independent projects, it would be best to reference them as submodules though.
That would be the actual best practices, allowing each of those projects to be cloned independently (with their respective .gitignore
files), while being referenced by a specific revision in a global parent project.
See true nature of submodules for more.
Note that, since git 1.8.2 (March 2013) you can do a git check-ignore -v -- yourfile
in order to see which gitignore run (from which .gitignore
file) is applied to 'yourfile
', and better understand why said file is ignored.
See "which gitignore
rule is ignoring my file?"
Hows about this:
$json=Get-Content -Raw -Path 'my.json' | Out-String | ConvertFrom-Json
$foo="TheVariableYourUsingToSelectSomething"
$json.SomePathYouKnow.psobject.properties.Where({$_.name -eq $foo}).value
which would select from json structured
{"SomePathYouKnow":{"TheVariableYourUsingToSelectSomething": "Tada!"}
This is based on this accessing values in powershell SO question . Isn't powershell fabulous!
Use empty
(it checks both nullness and emptiness) and group the nested ternary expression by parentheses (EL is in certain implementations/versions namely somewhat problematic with nested ternary expressions). Thus, so:
styleClass="#{empty obj.validationErrorMap ? ' ' :
(obj.validationErrorMap.contains('key') ? 'highlight_field' : 'highlight_row')}"
If still in vain (I would then check JBoss EL configs), use the "normal" EL approach:
styleClass="#{empty obj.validationErrorMap ? ' ' :
(obj.validationErrorMap['key'] ne null ? 'highlight_field' : 'highlight_row')}"
Update: as per the comments, the Map
turns out to actually be a List
(please work on your naming conventions). To check if a List
contains an item the "normal" EL way, use JSTL fn:contains
(although not explicitly documented, it works for List
as well).
styleClass="#{empty obj.validationErrorMap ? ' ' :
(fn:contains(obj.validationErrorMap, 'key') ? 'highlight_field' : 'highlight_row')}"
You can do something like:
object.attribute = value
object.save(:validate => false)
First, add a textView in the XML file
<TextView
android:id="@+id/rate_id"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/what_U_want_to_display_in_first_time"
/>
then add a button in xml file with id btn_change_textView and write this two line of code in onCreate()
method of activity
Button btn= (Button) findViewById(R.id. btn_change_textView);
TextView textView=(TextView)findViewById(R.id.rate_id);
then use clickListener()
on button object like this
btn.setOnClickListener(new View.OnClickListener {
public void onClick(View v) {
textView.setText("write here what u want to display after button click in string");
}
});
Just a suggestion,in your code instead of using let newData = prevState.data
you could use spread which is introduced in ES6 that is you can uselet newData = ...prevState.data
for copying array
Three dots ... represents Spread Operators or Rest Parameters,
It allows an array expression or string or anything which can be iterating to be expanded in places where zero or more arguments for function calls or elements for array are expected.
Additionally you can delete item from array with following
onRemovePerson: function(index) {
this.setState((prevState) => ({
data: [...prevState.data.slice(0,index), ...prevState.data.slice(index+1)]
}))
}
Hope this contributes!!
Try this:
v=spf1 ip4:abc.de.fgh.ij ip4:klm.no.pqr.st ~all
To print your context ,you can write code like this :
FILE *fp;
char *of;
sprintf(of,"%s%s",text1,text2);
fp=fopen(of,'w');
fprintf(fp,"your print line");
Caesar's solution is the best in my opinion, but if you still insist to use the strcpy
function, then after you have your strings ready:
string a = "text";
string b = "image";
You can try either:
strcpy(a.data(), b.data());
or
strcpy(a.c_str(), b.c_str());
Just call either the data()
or c_str()
member functions of the std::string
class, to get the char*
pointer of the string object.
The strcpy()
function doesn't have overload to accept two std::string
objects as parameters.
It has only one overload to accept two char*
pointers as parameters.
Both data
and c_str
return what does strcpy()
want exactly.
Select the block of code that you want indented.
Right-click (or, on Mac, Ctrl-click).
Structure → Re-indent
Try this:
SELECT Locations.Name, Schools.Name
FROM Locations
INNER JOIN School_Locations ON School_Locations.Locations_Id = Locations.Id
INNER JOIN Schools ON School.Id = Schools_Locations.School_Id
WHERE Locations.Type = "coun"
You can join Locations to School_Locations and then School_Locations to School. This forms a set of all related Locations and Schools, which you can then widdle down using the WHERE clause to those whose Location is of type "coun."
Just write:
min-height: xxx;
overflow: hidden;
then div
will automatically take the height of the content.
A New Laravel Blade Error Directive comes to Laravel 5.8.13
// Before
@if ($errors->has('email'))
<span>{{ $errors->first('email') }}</span>
@endif
// After:
@error('email')
<span>{{ $message }}</span>
@enderror
Yes, the first one is a static method
also called class method
, while the second one is an instance method
.
Consider the following examples, to understand it in more detail.
In ES5
function Person(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
Person.isPerson = function(obj) {
return obj.constructor === Person;
}
Person.prototype.sayHi = function() {
return "Hi " + this.firstName;
}
In the above code, isPerson
is a static method, while sayHi
is an instance method of Person
.
Below, is how to create an object from Person
constructor.
var aminu = new Person("Aminu", "Abubakar");
Using the static method isPerson
.
Person.isPerson(aminu); // will return true
Using the instance method sayHi
.
aminu.sayHi(); // will return "Hi Aminu"
In ES6
class Person {
constructor(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
static isPerson(obj) {
return obj.constructor === Person;
}
sayHi() {
return `Hi ${this.firstName}`;
}
}
Look at how static
keyword was used to declare the static method isPerson
.
To create an object of Person
class.
const aminu = new Person("Aminu", "Abubakar");
Using the static method isPerson
.
Person.isPerson(aminu); // will return true
Using the instance method sayHi
.
aminu.sayHi(); // will return "Hi Aminu"
NOTE: Both examples are essentially the same, JavaScript remains a classless language. The class
introduced in ES6 is primarily a syntactical sugar over the existing prototype-based inheritance model.
You may not have permission to dba_sequences. So you can always just do:
select * from user_sequences;
I had a problem when run red5(tomcat) on Windows x64 that previous worked under Windows x32, got next error:
INFO pool-15-thread-1 com.home.launcher.CommandLauncher - Exception in thread "main" java.lang.UnsatisfiedLinkError: C:\....\lib\Data Samolet.dll: Can't find dependent libraries
INFO pool-15-thread-1 com.home.launcher.CommandLauncher - at java.lang.ClassLoader$NativeLibrary.load(Native Method)
Problem solved when I installed Java x32 version and set next
"Environment variables"
"User variables for Home"
JAVA_HOME => C:\Program Files (x86)\Java\jdk.1.6.0_45
"System variables"
Path[at the beginning] => C:\Program Files\Java\jdk.1.8.0_60;..
Use Session.Contents.Count
:
if (Session.Contents.Count == 0)
{
Response.Write(".NET session has Expired");
Response.End();
}
else
{
InitializeControls();
}
The code above assumes that you have at least one session variable created when the user first visits your site. If you don't have one then you are most likely not using a database for your app. For your case you can just manually assign a session variable using the example below.
protected void Page_Load(object sender, EventArgs e)
{
Session["user_id"] = 1;
}
Best of luck to you!
var input = document.getElementById ("IdofInput");
input.placeholder = "No need to fill this field";
You can find out more about placeholder
here: http://help.dottoro.com/ljgugboo.php
I recommend a space-efficient generator function:
function* flatten(arr) {_x000D_
if (!Array.isArray(arr)) yield arr;_x000D_
else for (let el of arr) yield* flatten(el);_x000D_
}_x000D_
_x000D_
// Example:_x000D_
console.log(...flatten([1,[2,[3,[4]]]])); // 1 2 3 4
_x000D_
If desired, create an array of flattened values as follows:
let flattened = [...flatten([1,[2,[3,[4]]]])]; // [1, 2, 3, 4]
Opening a pdf using google docs is a bad idea in terms of user experience. It is really slow and unresponsive.
Since api 21, we have PdfRenderer which helps converting a pdf to Bitmap. I've never used it but is seems easy enough.
Other solution is to download the PDF and pass it via Intent to a dedicated PDF app which will do a banger job displaying it. Fast and nice user experience, especially if this feature is not central in your app.
Use this code to download and open the PDF
public class PdfOpenHelper {
public static void openPdfFromUrl(final String pdfUrl, final Activity activity){
Observable.fromCallable(new Callable<File>() {
@Override
public File call() throws Exception {
try{
URL url = new URL(pdfUrl);
URLConnection connection = url.openConnection();
connection.connect();
// download the file
InputStream input = new BufferedInputStream(connection.getInputStream());
File dir = new File(activity.getFilesDir(), "/shared_pdf");
dir.mkdir();
File file = new File(dir, "temp.pdf");
OutputStream output = new FileOutputStream(file);
byte data[] = new byte[1024];
long total = 0;
int count;
while ((count = input.read(data)) != -1) {
total += count;
output.write(data, 0, count);
}
output.flush();
output.close();
input.close();
return file;
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Subscriber<File>() {
@Override
public void onCompleted() {
}
@Override
public void onError(Throwable e) {
}
@Override
public void onNext(File file) {
String authority = activity.getApplicationContext().getPackageName() + ".fileprovider";
Uri uriToFile = FileProvider.getUriForFile(activity, authority, file);
Intent shareIntent = new Intent(Intent.ACTION_VIEW);
shareIntent.setDataAndType(uriToFile, "application/pdf");
shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
if (shareIntent.resolveActivity(activity.getPackageManager()) != null) {
activity.startActivity(shareIntent);
}
}
});
}
}
For the Intent to work, you need to create a FileProvider to grant permission to the receiving app to open the file.
Here is how you implement it: In your Manifest:
<provider
android:name="android.support.v4.content.FileProvider"
android:authorities="${applicationId}.fileprovider"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
</provider>
Finally create a file_paths.xml file in the resources foler
<?xml version="1.0" encoding="utf-8"?>
<paths>
<files-path name="shared_pdf" path="shared_pdf"/>
</paths>
Hope this helps =)
Generally it means:
127 - command not found
but it can also mean that the command is found,
but a library that is required by the command is NOT found.
In this navbar CSS, set to own color:
/* Navbar */_x000D_
.navbar-default {_x000D_
background-color: #F8F8F8;_x000D_
border-color: #E7E7E7;_x000D_
}_x000D_
/* Title */_x000D_
.navbar-default .navbar-brand {_x000D_
color: #777;_x000D_
}_x000D_
.navbar-default .navbar-brand:hover,_x000D_
.navbar-default .navbar-brand:focus {_x000D_
color: #5E5E5E;_x000D_
}_x000D_
/* Link */_x000D_
.navbar-default .navbar-nav > li > a {_x000D_
color: #777;_x000D_
}_x000D_
.navbar-default .navbar-nav > li > a:hover,_x000D_
.navbar-default .navbar-nav > li > a:focus {_x000D_
color: #333;_x000D_
}_x000D_
.navbar-default .navbar-nav > .active > a, _x000D_
.navbar-default .navbar-nav > .active > a:hover, _x000D_
.navbar-default .navbar-nav > .active > a:focus {_x000D_
color: #555;_x000D_
background-color: #E7E7E7;_x000D_
}_x000D_
.navbar-default .navbar-nav > .open > a, _x000D_
.navbar-default .navbar-nav > .open > a:hover, _x000D_
.navbar-default .navbar-nav > .open > a:focus {_x000D_
color: #555;_x000D_
background-color: #D5D5D5;_x000D_
}_x000D_
/* Caret */_x000D_
.navbar-default .navbar-nav > .dropdown > a .caret {_x000D_
border-top-color: #777;_x000D_
border-bottom-color: #777;_x000D_
}_x000D_
.navbar-default .navbar-nav > .dropdown > a:hover .caret,_x000D_
.navbar-default .navbar-nav > .dropdown > a:focus .caret {_x000D_
border-top-color: #333;_x000D_
border-bottom-color: #333;_x000D_
}_x000D_
.navbar-default .navbar-nav > .open > a .caret, _x000D_
.navbar-default .navbar-nav > .open > a:hover .caret, _x000D_
.navbar-default .navbar-nav > .open > a:focus .caret {_x000D_
border-top-color: #555;_x000D_
border-bottom-color: #555;_x000D_
}
_x000D_
Occasionally either myself or one of my co-workers will spend a couple of hours getting to the bottom of slightly obscure bug and once the cause of the bug is found 90% of the time that code isn't unit tested. The unit test doesn't exist because the dev is cutting corners to save time, but then looses this and more debugging.
Taking the small amount of time to write a unit test can save hours of future debugging.
Mac OS X is Unix, Objective-C is C superset, so you can just use old-school fopen
and fgets
from <stdio.h>
. It's guaranteed to work.
[NSString stringWithUTF8String:buf]
will convert C string to NSString
. There are also methods for creating strings in other encodings and creating without copying.
Well, Seems like there was a bug when creating custom post types in the function.php file of the theme... which bugged that.
Wrong. That doesn't work for me.
For me this one works:
curl
-H 'SOAPACTION: "urn:samsung.com:service:MainTVAgent2:1#CheckPIN"'
-X POST
-H 'Content-type: text/xml'
-d @/tmp/pinrequest.xml
192.168.1.5:52235/MainTVServer2/control/MainTVAgent2
Atom currently does not have a built-in terminal(that I know of), so you would have to install an additional package such as platformio-ide-terminal
.
The following screenshots were taken on a mac.
+
to Install a new packageYou have two easy ways to do this. Jay has covered the accurate way of checking from the center of the ball.
The easier way is to use a rectangle bounding box, set the size of your box to be 80% the size of the ball, and you'll simulate collision pretty well.
Add a method to your ball class:
public Rectangle getBoundingRect()
{
int ballHeight = (int)Ball.Height * 0.80f;
int ballWidth = (int)Ball.Width * 0.80f;
int x = Ball.X - ballWidth / 2;
int y = Ball.Y - ballHeight / 2;
return new Rectangle(x,y,ballHeight,ballWidth);
}
Then, in your loop:
// Checks every ball against every other ball.
// For best results, split it into quadrants like Ryan suggested.
// I didn't do that for simplicity here.
for (int i = 0; i < balls.count; i++)
{
Rectangle r1 = balls[i].getBoundingRect();
for (int k = 0; k < balls.count; k++)
{
if (balls[i] != balls[k])
{
Rectangle r2 = balls[k].getBoundingRect();
if (r1.Intersects(r2))
{
// balls[i] collided with balls[k]
}
}
}
}
Others have mentioned the relevel
command which is the best solution if you want to change the base level for all analyses on your data (or are willing to live with changing the data).
If you don't want to change the data (this is a one time change, but in the future you want the default behavior again), then you can use a combination of the C
(note uppercase) function to set contrasts and the contr.treatments
function with the base argument for choosing which level you want to be the baseline.
For example:
lm( Sepal.Width ~ C(Species,contr.treatment(3, base=2)), data=iris )
You may try this:
Page::where('id', $id)->update(array('image' => 'asdasd'));
There are other ways too but no need to use Page::find($id);
in this case. But if you use find()
then you may try it like this:
$page = Page::find($id);
// Make sure you've got the Page model
if($page) {
$page->image = 'imagepath';
$page->save();
}
Also you may use:
$page = Page::findOrFail($id);
So, it'll throw an exception if the model with that id was not found.
You need to use CreateProcess [ http://msdn.microsoft.com/en-us/library/windows/desktop/ms682425(v=vs.85).aspx ]
For ex:
LPTSTR szCmdline[] = _tcsdup(TEXT("\"C:\Program Files\MyApp\" -L -S")); CreateProcess(NULL, szCmdline, /.../);
You could also use missing()
to test whether or not the argument y
was supplied:
fooBar <- function(x,y){
if(missing(y)) {
x
} else {
x + y
}
}
fooBar(3,1.5)
# [1] 4.5
fooBar(3)
# [1] 3
You are consuming a line at, which is discarded
while((str=input.readLine())!=null && str.length()!=0)
and reading a bigint at
BigInteger n = new BigInteger(input.readLine());
so try getting the bigint from string which is read as
BigInteger n = new BigInteger(str);
Constructor used: BigInteger(String val)
Aslo change while((str=input.readLine())!=null && str.length()!=0)
to
while((str=input.readLine())!=null)
see related post string to bigint
readLine()
Returns:
A String containing the contents of the line, not including any line-termination characters, or null if the end of the stream has been reached
see javadocs
A (partial) practical work-around is to put things into a throw-away function.
Pasting
x = 1
x += 1
print(x)
results in
>>> x = 1
x += 1
print(x)
File "<stdin>", line 1
x += 1
print(x)
^
SyntaxError: multiple statements found while compiling a single statement
>>>
However, pasting
def abc():
x = 1
x += 1
print(x)
works:
>>> def abc():
x = 1
x += 1
print(x)
>>> abc()
2
>>>
Of course, this is OK for a quick one-off, won't work for everything you might want to do, etc. But then, going to ipython
/ jupyter qtconsole
is probably the next simplest option.
I know this is a very old question and the problem is marked as fixed. However, if someone with a case like mine where the table have trigger for data logging on update events, this will cause problem. Both the columns will get the update and log will make useless entries. The way I did
IF (CONDITION) IS TRUE
BEGIN
UPDATE table SET columnx = 25
END
ELSE
BEGIN
UPDATE table SET columny = 25
END
Now this have another benefit that it does not have unnecessary writes on the table like the above solutions.
Assuming you did not commit the file, or add it to the index, then:
git checkout -- filename
Assuming you added it to the index, but did not commit it, then:
git reset HEAD filename
git checkout -- filename
Assuming you did commit it, then:
git checkout origin/master filename
Assuming you want to blow away all commits from your branch (VERY DESTRUCTIVE):
git reset --hard origin/master
if num % 2 == 0:
pass # Even
else:
pass # Odd
The %
sign is like division only it checks for the remainder, so if the number divided by 2
has a remainder of 0
it's even otherwise odd.
Or reverse them for a little speed improvement, since any number above 0 is also considered "True" you can skip needing to do any equality check:
if num % 2:
pass # Odd
else:
pass # Even
surprise to see that no have given this syntax.
.each
syntax with data or collection
jQuery.each(collection, callback(indexInArray, valueOfElement));
OR
jQuery.each( jQuery('#list option'), function(indexInArray, valueOfElement){
//your code here
});
The accepted answer makes you believe that you must use a class or a std::function
as comparator. This is not true! As cute_ptr's answer shows, you can pass a function pointer to the constructor. However, the syntax to do so is much simpler than shown there:
class Node;
bool Compare(Node a, Node b);
std::priority_queue<Node, std::vector<Node>, decltype(&Compare)> openSet(Compare);
That is, there is no need to explicitly encode the function's type, you can let the compiler do that for you using decltype
.
This is very useful if the comparator is a lambda. You cannot specify the type of a lambda in any other way than using decltype
. For example:
auto compare = [](Node a, Node b) { return a.foo < b.foo; }
std::priority_queue<Node, std::vector<Node>, decltype(compare)> openSet(compare);
Add double quotes to use caret operator in version number.
composer require middlewares/whoops "^0.4"
You can use System.Runtime.Remoting.Proxies.RealProxy. It will allow you to use "normal" code rather than low level assembly type stuff.
See the RealProxy answer to this question for a good example:
//VC6.0 (386 & better)
__int64 my_qw_var = 0x1234567890abcdef;
__int32 v_dw_h;
__int32 v_dw_l;
__asm
{
mov eax,[dword ptr my_qw_var + 4] //dwh
mov [dword ptr v_dw_h],eax
mov eax,[dword ptr my_qw_var] //dwl
mov [dword ptr v_dw_l],eax
}
//Oops 0.8 format
printf("val = 0x%0.8x%0.8x\n", (__int32)v_dw_h, (__int32)v_dw_l);
Regards.
If you look for POSIX compliant solution:
cd DirsRoot && find . -type f -print -o -name . -o -prune
-maxdepth is not POSIX compliant option.
This definitely works most of the time:
Go to your target Build Settings -> Other linker flags -> double click . Add $(inherited)
to a new line.
If you have problem with "...target overrides the GCC_PREPROCESSOR_DEFINITIONS build setting defined in..." then you must add $(inherited) to your target Build Settings -> Preprocessor Macros
That solution from the official wiki:
vzctl set $CTID --netfilter full --save
https://openvz.org/VPN_via_the_TUN/TAP_device#Troubleshooting
Just download and install "Samsung Kies" from this link. and everything would work as required.
Before installing, uninstall the drivers you have installed for your device.
Update:
Two possible solutions:
We can simply declare more than one Controller in the same module. Here's an example:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js">
</script>
<title> New Page </title>
</head>
<body ng-app="mainApp"> <!-- if we remove ng-app the add book button [show/hide] will has no effect -->
<h2> Books </h2>
<!-- <input type="checkbox" ng-model="hideShow" ng-init="hideShow = false"></input> -->
<input type = "button" value = "Add Book"ng-click="hideShow=(hideShow ? false : true)"> </input>
<div ng-app = "mainApp" ng-controller = "bookController" ng-if="hideShow">
Enter book name: <input type = "text" ng-model = "book.name"><br>
Enter book category: <input type = "text" ng-model = "book.category"><br>
Enter book price: <input type = "text" ng-model = "book.price"><br>
Enter book author: <input type = "text" ng-model = "book.author"><br>
You are entering book: {{book.bookDetails()}}
</div>
<script>
var mainApp = angular.module("mainApp", []);
mainApp.controller('bookController', function($scope) {
$scope.book = {
name: "",
category: "",
price:"",
author: "",
bookDetails: function() {
var bookObject;
bookObject = $scope.book;
return "Book name: " + bookObject.name + '\n' + "Book category: " + bookObject.category + " \n" + "Book price: " + bookObject.price + " \n" + "Book Author: " + bookObject.author;
}
};
});
</script>
<h2> Albums </h2>
<input type = "button" value = "Add Album"ng-click="hideShow2=(hideShow2 ? false : true)"> </input>
<div ng-app = "mainApp" ng-controller = "albumController" ng-if="hideShow2">
Enter Album name: <input type = "text" ng-model = "album.name"><br>
Enter Album category: <input type = "text" ng-model = "album.category"><br>
Enter Album price: <input type = "text" ng-model = "album.price"><br>
Enter Album singer: <input type = "text" ng-model = "album.singer"><br>
You are entering Album: {{album.albumDetails()}}
</div>
<script>
//no need to declare this again ;)
//var mainApp = angular.module("mainApp", []);
mainApp.controller('albumController', function($scope) {
$scope.album = {
name: "",
category: "",
price:"",
singer: "",
albumDetails: function() {
var albumObject;
albumObject = $scope.album;
return "Album name: " + albumObject.name + '\n' + "album category: " + albumObject.category + "\n" + "Book price: " + albumObject.price + "\n" + "Album Singer: " + albumObject.singer;
}
};
});
</script>
</body>
</html>
I had an issue with React.Fragment
, because the version of my react was < 16.2
, so I got rid of it.
<table width="400px">
<tr>
<td width="100px"></td>
<td width="100px"></td>
<td width="100px"></td>
<td width="100px"></td>
</tr>
</table>
For variable number of columns use %
<table width="100%">
<tr>
<td width="(100/x)%"></td>
</tr>
</table>
where 'x' is number of columns
This worked for me.
window.location = window.location.pathname;
Tested on
The following line needs to be added to the $http object that is passed:
headers: {'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'}
And the data passed should be converted to a URL-encoded string:
> $.param({fkey: "key"})
'fkey=key'
So you have something like:
$http({
method: 'POST',
url: url,
data: $.param({fkey: "key"}),
headers: {'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'}
})
From: https://groups.google.com/forum/#!msg/angular/5nAedJ1LyO0/4Vj_72EZcDsJ
To use new services added with AngularJS V1.4, see
install mongodb in your linux machine with
apt install mongodb-client && apt install mongodb-server
change the database path instead of your system default path if you want.
so do the following steps and change it for yourself.
mongod --directoryperdb --dbpath /var/lib/mongodb/data/db --logpath /var/lib/mongodb/log/mongodb.log --logappend --rest
and in your windows machine do it just like that just put an --install flag. you have to get a successful message.
Best Regards...
Angular: 8.2.11
<td>{{ data.DateofBirth | date }}</td>
Output: Jun 9, 1973
<td>{{ data.DateofBirth | date: 'dd/MM/yyyy' }}</td>
Output: 09/06/1973
<td>{{ data.DateofBirth | date: 'dd/MM/yyyy hh:mm a' }}</td>
Output: 09/06/1973 12:00 AM
This worked for me:
nltk.set_proxy('http://user:[email protected]:8080')
nltk.download()
The behaviour differs depending on whether the target file name already exists or not. It's usually a safety mechanism, and there are at least 3 different cases:
In this case svn mv
should work as follows:
$ svn mv old_file_name new_file_name
A new_file_name
D old_file_name
$ svn stat
A + new_file_name
> moved from old_file_name
D old_file_name
> moved to new_file_name
$ svn commit
Adding new_file_name
Deleting old_file_name
Committing transaction...
In this case, the target file needs to be removed explicitly, before the source file can be renamed. This can be done in the same transaction as follows:
$ svn mv old_file_name new_file_name
svn: E155010: Path 'new_file_name' is not a directory
$ svn rm new_file_name
D new_file_name
$ svn mv old_file_name new_file_name
A new_file_name
D old_file_name
$ svn stat
R + new_file_name
> moved from old_file_name
D old_file_name
> moved to new_file_name
$ svn commit
Replacing new_file_name
Deleting old_file_name
Committing transaction...
In the output of svn stat
, the R
indicates that the file has been replaced, and that the file has a history.
In this case, the content of the local file would be lost. If that's okay, then the file can be removed locally before renaming the existing file.
$ svn mv old_file_name new_file_name
svn: E155010: Path 'new_file_name' is not a directory
$ rm new_file_name
$ svn mv old_file_name new_file_name
A new_file_name
D old_file_name
$ svn stat
A + new_file_name
> moved from old_file_name
D old_file_name
> moved to new_file_name
$ svn commit
Adding new_file_name
Deleting old_file_name
Committing transaction...
If someone is still looking for an answer, for me the problem was in routes/web.php file. Example:
Route::get('/', function () {
return view('welcome');
});
It is also Route, so yeah...Just remove it if not needed and you are good to go! You should also follow answers provided from above.
If you have a problems with fusermount
command you can kill the process :
ps -ax | grep "sshfs"
I guess you are using Rails 4. If so, the needed parameters must be marked as required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
params.require(:user).permit(:username, :email, :password, :salt, :encrypted_password)
end
end
IMHO, the easiest way to get audio data from a sound file into a NumPy array is SoundFile:
import soundfile as sf
data, fs = sf.read('/usr/share/sounds/ekiga/voicemail.wav')
This also supports 24-bit files out of the box.
There are many sound file libraries available, I've written an overview where you can see a few pros and cons.
It also features a page explaining how to read a 24-bit wav file with the wave
module.
You can turn off GPU usage by Chrome without Windows restart in safe mode. Options:
1) by inserting section in Chrome config file "%USERPROFILE%\AppData\Local\Google\Chrome\User Data\Local State":
"hardware_acceleration_mode": { "enabled": false },
2) chrome.exe --disable-gpu
This is a safety measure to avoid pushing branches that are not ready to be published. Loosely speaking, by executing "git push", only local branches that already exist on the server with the same name will be pushed, or branches that have been pushed using the localbranch:remotebranch syntax.
To push all local branches to the remote repository, use --all
:
git push REMOTENAME --all
git push --all
or specify all branches you want to push:
git push REMOTENAME master exp-branch-a anotherbranch bugfix
In addition, it's useful to add -u
to the "git push" command, as this will tell you if your local branch is ahead or behind the remote branch. This is shown when you run "git status" after a git fetch.
The second one would be more efficient as it just has one predicate to evaluate against each item in the collection where as in the first one, it's applying the first predicate to all items first and the result (which is narrowed down at this point) is used for the second predicate and so on. The results get narrowed down every pass but still it involves multiple passes.
Also the chaining (first method) will work only if you are ANDing your predicates. Something like this x.Age == 10 || x.Fat == true
will not work with your first method.
it clears the all the bits that are not in the first byte
Here is your answer. We can use both simultaniously. As i used both and they are working fine. The code is as follows:
<EditText
android:id="@+id/edittext_password_la"
android:layout_below="@+id/edittext_username_la"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="15dip"
android:inputType="textPassword"
android:hint="@string/string_password" />
This will help you.
You can use request.getQueryString()
,if the query string is like
username=james&password=pwd
To get name you can do this
request.getParameter("username");
In my PyCharm 2019.3, select the project, then File ---> Settings, then Project: YourProjectName, in 'Project Interpreter', click the interpreter or settings, ---> Show all... ---> Select the current interpreter ---> Show paths for the selected interpreter ---> then click 'Add' to add your library, in my case, it is a wheel package
I use Mock (which is now unittest.mock on py3.3+) for this:
from mock import patch
from PyQt4 import Qt
@patch.object(Qt.QMessageBox, 'aboutQt')
def testShowAboutQt(self, mock):
self.win.actionAboutQt.trigger()
self.assertTrue(mock.called)
For your case, it could look like this:
import mock
from mock import patch
def testClearWasCalled(self):
aw = aps.Request("nv1")
with patch.object(aw, 'Clear') as mock:
aw2 = aps.Request("nv2", aw)
mock.assert_called_with(42) # or mock.assert_called_once_with(42)
Mock supports quite a few useful features, including ways to patch an object or module, as well as checking that the right thing was called, etc etc.
Caveat emptor! (Buyer beware!)
If you mistype assert_called_with
(to assert_called_once
or assert_called_wiht
) your test may still run, as Mock will think this is a mocked function and happily go along, unless you use autospec=true
. For more info read assert_called_once: Threat or Menace.
There is no inherent limit. The maximum number of threads is determined by the amount of physical resources available. See this article by Raymond Chen for specifics.
If you need to ask what the maximum number of threads is, you are probably doing something wrong.
[Update: Just out of interest: .NET Thread Pool default numbers of threads:
(These numbers may vary depending upon the hardware and OS)]
header_remove("X-Powered-By");
In the same idea of Nick Riggs but I create a constructor, and a push a new object in the array by using it. It avoid the repetition of the keys of the class:
var arr = [];
var columnDefs = function(key, sortable, resizeable){
this.key = key;
this.sortable = sortable;
this.resizeable = resizeable;
};
for (var i = 0; i < len; i++) {
arr.push((new columnDefs(oFullResponse.results[i].label,true,true)));
}
Here is code to iterate through all rules in a page:
function iterateCSS(f) {_x000D_
for (const styleSheet of window.document.styleSheets) {_x000D_
const classes = styleSheet.rules || styleSheet.cssRules;_x000D_
if (!classes) continue;_x000D_
_x000D_
for (const cssRule of classes) {_x000D_
if (cssRule.type !== 1 || !cssRule.style) continue;_x000D_
const selector = cssRule.selectorText, style=cssRule.style;_x000D_
if (!selector || !style.cssText) continue;_x000D_
for (let i=0; i<style.length; i++) {_x000D_
const propertyName=style.item(i);_x000D_
if (f(selector, propertyName, style.getPropertyValue(propertyName), style.getPropertyPriority(propertyName), cssRule)===false) return;_x000D_
}_x000D_
}_x000D_
}_x000D_
}_x000D_
_x000D_
iterateCSS( (selector, propertyName, propertyValue, propertyPriority, cssRule) => {_x000D_
console.log(selector+' { '+propertyName+': '+propertyValue+(propertyPriority==='important' ? ' !important' : '')+' }');_x000D_
});
_x000D_
It is really easy to do a bulk insert in Laravel using Eloquent or the query builder.
You can use the following approach.
$data = [
['user_id'=>'Coder 1', 'subject_id'=> 4096],
['user_id'=>'Coder 2', 'subject_id'=> 2048],
//...
];
Model::insert($data); // Eloquent approach
DB::table('table')->insert($data); // Query Builder approach
In your case you already have the data within the $query
variable.
I think the least intrusive way of doing this is as follows:
appInstalled
cookiewindow.location
to your-uri://
(or do the redirect server side)your-uri://
The other option I've played with but found a little clunky was to do the following in Javascript:
setTimeout(function() {
window.location = "http://itunes.com/apps/yourappname";
}, 25);
// If "custom-uri://" is registered the app will launch immediately and your
// timer won't fire. If it's not set, you'll get an ugly "Cannot Open Page"
// dialogue prior to the App Store application launching
window.location = "custom-uri://";
This solved my issue straight away - mac Mojave 10.14.6 - PhpStorm.
Unhandled rejection Error: EACCES: permission denied, mkdir '/Users/myname/.npm/_cacache/index-v5/fb/5a'
sudo chown -R $USER:$GROUP ~/.npm
sudo chown -R $USER:$GROUP ~/.config
Original post: https://stackoverflow.com/a/50639828
For your question answer is android.R.id.text1
is int: The id of the TextView within the layout resource to be populated.
ArrayAdapter has so many constructors with different number of arguments I'm mention some of them
ArrayAdapter(Context context, int resource)
ArrayAdapter(Context context, int resource, int textViewResourceId)
ArrayAdapter(Context context, int resource, T[] objects)
ArrayAdapter(Context context, int resource, int textViewResourceId, T[] objects)
ArrayAdapter(Context context, int resource, List<T> objects)
ArrayAdapter(Context context, int resource, int textViewResourceId, List<T> objects)
Now you can understand each and every constructor is different and they used different list of arguments.
And simple answer is you can use ArrayAdapter with text view inside a target xml file or without. It is doesn't matter. And you not need specify text view id you can use it without. But you may need to go with some advance option with your simple list view you must go with a text view.!
Here sample example
ArrayAdapter adapter = new ArrayAdapter<String>(this,R.layout.ListView,StringArray);
ListView listView = (ListView) findViewById(R.id.listview);
listView.setAdapter(adapter);
This is also a valid code you can use with much more clear.
Assigning the file pointer to null inside your program will just get rid of that reference to the file. The file's still there. I think the remove()
function in the c stdio.h
is what you're looking for there. Not sure about Python.
I came here in search of a way to get all of the subdirectories, and all of their subdirectories, etc. Building on the accepted answer, I wrote this:
const fs = require('fs');
const path = require('path');
function flatten(lists) {
return lists.reduce((a, b) => a.concat(b), []);
}
function getDirectories(srcpath) {
return fs.readdirSync(srcpath)
.map(file => path.join(srcpath, file))
.filter(path => fs.statSync(path).isDirectory());
}
function getDirectoriesRecursive(srcpath) {
return [srcpath, ...flatten(getDirectories(srcpath).map(getDirectoriesRecursive))];
}
Just install the certificate packages with the following commands:
pacman -S mingw-w64-i686-ca-certificates ca-certificates
pacman -S mingw-w64-x86_64-ca-certificates ca-certificates
Take a look at java.text.DateFormat. Easier to use (with a bit less power) is the derived class, java.text.SimpleDateFormat
And here is a good intro to Java internationalization: http://java.sun.com/docs/books/tutorial/i18n/index.html (the "Formatting" section addressing your problem, and more).
I honestly suggest that you use moment.js. Just download moment.min.js
and then use this snippet to get your date in whatever format you want:
<script>
$(document).ready(function() {
// set an element
$("#date").val( moment().format('MMM D, YYYY') );
// set a variable
var today = moment().format('D MMM, YYYY');
});
</script>
Use following chart for date formats:
Use the Out-File
cmdlet
Compare-Object ... | Out-File C:\filename.txt
Optionally, add -Encoding utf8
to Out-File
as the default encoding is not really ideal for many uses.
$("span").mouseover(function () {
$(this).css({"background-color":"green","font-size":"20px","color":"red"});
});
<div>
Sachin Tendulkar has been the most complete batsman of his time, the most prolific runmaker of all time, and arguably the biggest cricket icon the game has ever known. His batting is based on the purest principles: perfect balance, economy of movement, precision in stroke-making.
</div>
update YourTable
set YourColumn = replace(YourColumn, '@domain2', '@domain1')
where charindex('@domain2', YourColumn) <> 0
Alternatively, as of Python 2.6, you can use new string formatting (described in PEP 3101):
'Print percent % in sentence and not {0}'.format(test)
which is especially handy as your strings get more complicated.
Tested and working!
with https, user & password
<?php
//Data, connection, auth
$dataFromTheForm = $_POST['fieldName']; // request data from the form
$soapUrl = "https://connecting.website.com/soap.asmx?op=DoSomething"; // asmx URL of WSDL
$soapUser = "username"; // username
$soapPassword = "password"; // password
// xml post structure
$xml_post_string = '<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<GetItemPrice xmlns="http://connecting.website.com/WSDL_Service"> // xmlns value to be set to your WSDL URL
<PRICE>'.$dataFromTheForm.'</PRICE>
</GetItemPrice >
</soap:Body>
</soap:Envelope>'; // data from the form, e.g. some ID number
$headers = array(
"Content-type: text/xml;charset=\"utf-8\"",
"Accept: text/xml",
"Cache-Control: no-cache",
"Pragma: no-cache",
"SOAPAction: http://connecting.website.com/WSDL_Service/GetPrice",
"Content-length: ".strlen($xml_post_string),
); //SOAPAction: your op URL
$url = $soapUrl;
// PHP cURL for https connection with auth
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERPWD, $soapUser.":".$soapPassword); // username and password - declared at the top of the doc
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml_post_string); // the SOAP request
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
// converting
$response = curl_exec($ch);
curl_close($ch);
// converting
$response1 = str_replace("<soap:Body>","",$response);
$response2 = str_replace("</soap:Body>","",$response1);
// convertingc to XML
$parser = simplexml_load_string($response2);
// user $parser to get your data out of XML response and to display it.
?>
Use :
FileInfo fInfo = new FileInfo('FilePath');
var fFirstTime = fInfo.CreationTime;
var fLastTime = fInfo.LastWriteTime;
You may see the same schematic explanations for both, but these are totally confusing.
For UNION:
For JOIN:
you can use toggleClass()
to toggle class it is really handy.
case:1
<div id='mydiv' class="class1"></div>
$('#mydiv').toggleClass('class1 class2');
output: <div id='mydiv' class="class2"></div>
case:2
<div id='mydiv' class="class2"></div>
$('#mydiv').toggleClass('class1 class2');
output: <div id='mydiv' class="class1"></div>
case:3
<div id='mydiv' class="class1 class2 class3"></div>
$('#mydiv').toggleClass('class1 class2');
output: <div id='mydiv' class="class3"></div>
Find list of Nearby Bluetooth Devices:
Find Screenshot for the same.
MainActivity.java:
public class MainActivity extends ActionBarActivity {
private ListView listView;
private ArrayList<String> mDeviceList = new ArrayList<String>();
private BluetoothAdapter mBluetoothAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listView = (ListView) findViewById(R.id.listView);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
mBluetoothAdapter.startDiscovery();
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
@Override
protected void onDestroy() {
unregisterReceiver(mReceiver);
super.onDestroy();
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent
.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
mDeviceList.add(device.getName() + "\n" + device.getAddress());
Log.i("BT", device.getName() + "\n" + device.getAddress());
listView.setAdapter(new ArrayAdapter<String>(context,
android.R.layout.simple_list_item_1, mDeviceList));
}
}
};
activity_main.xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.bluetoothdemo.MainActivity" >
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listView"/>
</RelativeLayout>
Manifest file:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.bluetoothdemo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Note:
Please make sure that you ask Location permission to your user and turn GPS On.
Reason: From Android 6.0 you need Location permission for Bluetooth Discovery.
More reference:
Done
To re-cap the question in the OP:
I am connecting [to a WCF service] using WCFStorm which is able to retrieve all the meta data properly, but when I call the actual method I get:
The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via
The WCFStorm tutorials addresses this issue in Working with IIS and SSL.
Their solution worked for me:
To fix the error, generate a client config that matches the wcf service configuration. The easiest way to do this is with Visual Studio.
Open Visual Studio and add a service reference to the service. VS will generate an app.config file that matches the service
Edit the app.config file so that it can be read by WCFStorm. Please see Loading Client App.config files. Ensure that the endpoint/@name and endpoint/@contract attributes match the values in wcfstorm.
Load the modified app.config to WCFStorm [using the Client Config toobar button].
Invoke the method. This time the method invocation will no longer fail
Item (1) last bullet in effect means to remove the namespace prefix that VS prepends to the endpoint contract attribute, by default "ServiceReference1"
<endpoint ... contract="ServiceReference1.ListsService" ... />
so in the app.config that you load into WCFStorm you want for ListsService:
<endpoint ... contract="ListsService" ... />
#parent_div_1, #parent_div_2, #parent_div_3 {
width: 100px;
height: 100px;
border: 1px solid red;
margin-right: 10px;
float: left;
}
.child_div_1 {
float: left;
margin-right: 5px;
}
Check working example at http://jsfiddle.net/c6242/1/
Updated for Bootstrap 4.1+
Bootstrap 4 the navbar now uses flexbox so the Website Name
can be centered using mx-auto
. The left and right side menus don't require floats.
<nav class="navbar navbar-expand-md navbar-fixed-top navbar-dark bg-dark main-nav">
<div class="container">
<ul class="nav navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Download</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Register</a>
</li>
</ul>
<ul class="nav navbar-nav mx-auto">
<li class="nav-item"><a class="nav-link" href="#">Website Name</a></li>
</ul>
<ul class="nav navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">Rates</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Help</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Contact</a>
</li>
</ul>
</div>
</nav>
Navbar center with mx-auto
Demo
If the Navbar only has a single navbar-nav
, then justify-content-center
can also be used to center.
In the solution above, the Website Name
is centered relative to the left and right navbar-nav
so if the width of these adjacent navs are different the Website Name
is no longer centered.
To resolve this, one of the flexbox workarounds for absolute centering can be used...
Option 1 - Use position:absolute;
Since it's ok to use absolute positioning in flexbox, one option is to use this on the item to be centered.
.abs-center-x {
position: absolute;
left: 50%;
transform: translateX(-50%);
}
Navbar center with absolute position Demo
Option 2 - Use flexbox nesting
Finally, another option is to make the centered item also display:flexbox
(using d-flex
) and center justified. In this case each navbar component must have flex-grow:1
As of Bootstrap 4 Beta, the Navbar is now display:flex
. Bootstrap 4.1.0 includes a new flex-fill
class to make each nav section fill the width:
<nav class="navbar navbar-expand-sm navbar-dark bg-dark main-nav">
<div class="container justify-content-center">
<ul class="nav navbar-nav flex-fill w-100 flex-nowrap">
<li class="nav-item active">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Download</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Register</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">More</a>
</li>
</ul>
<ul class="nav navbar-nav flex-fill justify-content-center">
<li class="nav-item"><a class="nav-link" href="#">Center</a></li>
</ul>
<ul class="nav navbar-nav flex-fill w-100 justify-content-end">
<li class="nav-item">
<a class="nav-link" href="#">Help</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Contact</a>
</li>
</ul>
</div>
</nav>
Navbar center with flexbox nesting Demo
Prior to Bootstrap 4.1.0 you can add the flex-fill class like this...
.flex-fill {
flex:1
}
As of 4.1 flex-fill
is included in Bootstrap.
Bootstrap 4 Navbar center demos
More centering demos
Center links on desktop, left align on mobile
Related:
How to center nav-items in Bootstrap?
Bootstrap NavBar with left, center or right aligned items
How move 'nav' element under 'navbar-brand' in my Navbar
There are a number of possible ways to do this, but have a google for tkprof
There's no GUI... it's entirely command line and possibly a touch intimidating for Oracle beginners; but it's very powerful.
This link looks like a good start:
When the user enters information in a form and clicks Submit , there are two ways the information can be sent from the browser to the server: in the URL, or within the body of the HTTP request.
The GET method, which was used in the example earlier, appends name/value pairs to the URL. Unfortunately, the length of a URL is limited, so this method only works if there are only a few parameters. The URL could be truncated if the form uses a large number of parameters, or if the parameters contain large amounts of data. Also, parameters passed on the URL are visible in the address field of the browser not the best place for a password to be displayed.
The alternative to the GET method is the POST method. This method packages the name/value pairs inside the body of the HTTP request, which makes for a cleaner URL and imposes no size limitations on the forms output. It is also more secure.
In your .htaccess you can add:
PHP 5.x
<IfModule mod_php5.c>
php_value memory_limit 64M
</IfModule>
PHP 7.x
<IfModule mod_php7.c>
php_value memory_limit 64M
</IfModule>
If page breaks again, then you are using PHP as mod_php in apache, but error is due to something else.
If page does not break, then you are using PHP as CGI module and therefore cannot use php values - in the link I've provided might be solution but I'm not sure you will be able to apply it.
Read more on http://support.tigertech.net/php-value
while ((line = stringReader.ReadLine()) != null)
{
// split the lines
for (int c = 0; c < line.Length; c++)
{
line = line.Replace("\\", "");
lineBreakOne = line.Substring(1, c - 2);
lineBreakTwo = line.Substring(c + 2, line.Length - 2);
}
}
There's a nice overview over some hash algorithms at Eternally Confuzzled. I'd recommend Bob Jenkins' one-at-a-time hash which quickly reaches avalanche and therefore can be used for efficient hash table lookup.
DESCRIBE DATABASE NAME; you need to specify the name of the database and the results will include the data type of each attribute.
The quick generic answer:
std::vector<double> vec(carray,carray+carray_size);
or question specific:
std::vector<double> w_(w,w+len);
based on above: Don't forget that you can treat pointers as iterators
If you can extend the DataGridView you can override the Sort
method with am empty one. This disables Sort for the DataGridView entirely.
public override void Sort(DataGridViewColumn dataGridViewColumn, ListSortDirection direction)
{
//base.Sort(dataGridViewColumn, direction);
}
Note: You cannot even programmatically sort any column.
There are specific suffixes for long
(e.g. 39832L
), float
(e.g. 2.4f
) and double
(e.g. -7.832d
).
If there is no suffix, and it is an integral type (e.g. 5623
), it is assumed to be an int
. If it is not an integral type (e.g. 3.14159
), it is assumed to be a double
.
In all other cases (byte
, short
, char
), you need the cast as there is no specific suffix.
The Java spec allows both upper and lower case suffixes, but the upper case version for long
s is preferred, as the upper case L
is less easy to confuse with a numeral 1
than the lower case l
.
See the JLS section 3.10 for the gory details (see the definition of IntegerTypeSuffix
).
If you use the Eclipse IDE with the SVN plugin you can do as follows:
This will revert the files to the revision that you want. Just keep in mind that SVN will see the changes as a new commit. That is, the change gets a new revision number, and there is no link between the old revision and the new one. You should specify in the commit comments that you are reverting those files to a specific revision.
From here and d5e5's comment:
You'll have to switch the output to csv-mode and switch to file output.
sqlite> .mode csv
sqlite> .output test.csv
sqlite> select * from tbl1;
sqlite> .output stdout
JavaScript runs synchronously, so whatever you place after each()
will not run until each()
is complete.
Consider the following test:
var count = 0;
var array = [];
// populate an array with 1,000,000 entries
for(var i = 0; i < 1000000; i++) {
array.push(i);
}
// use each to iterate over the array, incrementing count each time
$.each(array, function() {
count++
});
// the alert won't get called until the 'each' is done
// as evidenced by the value of count
alert(count);
When the alert is called, count will equal 1000000 because the alert won't run until each()
is done.
I love this
$data = str_getcsv($CsvString, "\n"); //parse the rows
foreach ($data as &$row) {
$row = str_getcsv($row, "; or , or whatever you want"); //parse the items in rows
$this->debug($row);
}
in my case I am going to get a csv through web services, so in this way I don't need to create the file. But if you need to parser with a file, it's only necessary to pass as string
If you know the list of ids try this query:
SELECT * FROM `Buses` WHERE BusId IN (`list of busIds`)
or if you pull them from another table list of busIds
could be another subquery:
SELECT * FROM `Buses` WHERE BusId IN (SELECT SomeId from OtherTable WHERE something = somethingElse)
If you need to compare to another table you need a join:
SELECT * FROM `Buses` JOIN OtheTable on Buses.BusesId = OtehrTable.BusesId
In addition to the methods presented above, you need to make sure you use either std::Vector.reserve(), std::Vector.resize(), or construct the vector to size, to make sure your vector has enough elements in it to hold your data. if not, you will corrupt memory. This is true of either std::copy() or memcpy().
This is the reason to use vector.push_back(), you can't write past the end of the vector.
Type in a terminal:
which javac
It should show you something like
/usr/bin/javac
For others facing a similar problem to mine, where you know a particular object property cannot be null, you can use the non-null assertion operator (!) after the item in question. This was my code:
const naciStatus = dataToSend.naci?.statusNACI;
if (typeof naciStatus != "undefined") {
switch (naciStatus) {
case "AP":
dataToSend.naci.certificateStatus = "FALSE";
break;
case "AS":
case "WR":
dataToSend.naci.certificateStatus = "TRUE";
break;
default:
dataToSend.naci.certificateStatus = "";
}
}
And because dataToSend.naci
cannot be undefined in the switch statement, the code can be updated to include exclamation marks as follows:
const naciStatus = dataToSend.naci?.statusNACI;
if (typeof naciStatus != "undefined") {
switch (naciStatus) {
case "AP":
dataToSend.naci!.certificateStatus = "FALSE";
break;
case "AS":
case "WR":
dataToSend.naci!.certificateStatus = "TRUE";
break;
default:
dataToSend.naci!.certificateStatus = "";
}
}
A similar alternative
/**
* @param delimiter
* @param inStr
* @return String
*/
public static String join(String delimiter, String... inStr)
{
StringBuilder sb = new StringBuilder();
if (inStr.length > 0)
{
sb.append(inStr[0]);
for (int i = 1; i < inStr.length; i++)
{
sb.append(delimiter);
sb.append(inStr[i]);
}
}
return sb.toString();
}
if you have many networks attached to you OS, yo must especify one of this network in the bind-addres from my.conf file. an example:
[mysqld]
bind-address = 127.100.10.234
this ip is from a ethX configuration.
After installing conda in Linux if you are trying to create env just type bash and hit Enter later you can create env
Something else you can try if you are having issues encoding to 'utf-8' and want to go cell by cell you could try the following.
Python 2
(Where "df" is your DataFrame object.)
for column in df.columns:
for idx in df[column].index:
x = df.get_value(idx,column)
try:
x = unicode(x.encode('utf-8','ignore'),errors ='ignore') if type(x) == unicode else unicode(str(x),errors='ignore')
df.set_value(idx,column,x)
except Exception:
print 'encoding error: {0} {1}'.format(idx,column)
df.set_value(idx,column,'')
continue
Then try:
df.to_csv(file_name)
You can check the encoding of the columns by:
for column in df.columns:
print '{0} {1}'.format(str(type(df[column][0])),str(column))
Warning: errors='ignore' will just omit the character e.g.
IN: unicode('Regenexx\xae',errors='ignore')
OUT: u'Regenexx'
Python 3
for column in df.columns:
for idx in df[column].index:
x = df.get_value(idx,column)
try:
x = x if type(x) == str else str(x).encode('utf-8','ignore').decode('utf-8','ignore')
df.set_value(idx,column,x)
except Exception:
print('encoding error: {0} {1}'.format(idx,column))
df.set_value(idx,column,'')
continue
Can you provide some more details like which linux you are using? Are you loged in as root? On linux you have to run export CLASSPATH = %path%;LOG4J_HOME/og4j-1.2.16.jar If you want it permanent then you can add above lines in ~/.bashrc file.
Aggregate classes, like A in your example(*), must have their members public, and have no user-defined constructors. They are intialized with initializer list, e.g. A a {0,0};
or in your case B() : A({0,0}){}
. The members of base aggregate class cannot be individually initialized in the constructor of the derived class.
(*) To be precise, as it was correctly mentioned, original class A
is not an aggregate due to private non-static members
mimetype headers are recognised by the browser for the purpose of a (fast) possible identifying a handler to use the downloaded file as target, for example, PDF would be downloaded and your Adobe Reader program would be executed with the path of the PDF file as an argument,
If your needs are to write a browser extension to handle your downloaded file, through your operation-system, or you simply want to make you project a more 'professional looking' go ahead and select a unique mimetype for you to use, it would make no difference since the operation-system would have no handle to open it with (some browsers has few bundled-plugins, for example new Google Chrome versions has a built-in PDF-reader),
if you want to make sure the file would be downloaded have a look at this answer: https://stackoverflow.com/a/34758866/257319
if you want to make your file type especially organised, it might be worth adding a few letters in the first few bytes of the file, for example, every JPG has this at it's file start:
if you can afford a jump of 4 or 8 bytes it could be very helpful for you in the rest of the way
:)
A very simple approach to create .class, .jar file.
Executing the jar file. No need to worry too much about manifest file. Make it simple and elgant.
Java sample Hello World Program
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello World");
}
}
Compiling the class file
javac HelloWorld.java
Creating the jar file
jar cvfe HelloWorld.jar HelloWorld HelloWorld.class
or
jar cvfe HelloWorld.jar HelloWorld *.class
Running the jar file
java -jar HelloWorld.jar
Or
java -cp HelloWorld.jar HelloWorld
I had what I believe the same issue is. I found that I needed to adjust the Apache configuration to include a ServerName or ServerAlias for the host.
This code failed:
public class a {
public static void main(String [] a) throws Exception {
java.net.URLConnection c = new java.net.URL("https://mydomain.com/").openConnection();
c.setDoOutput(true);
c.getOutputStream();
}
}
And this code worked:
public class a {
public static void main(String [] a) throws Exception {
java.net.URLConnection c = new java.net.URL("https://google.com/").openConnection();
c.setDoOutput(true);
c.getOutputStream();
}
}
Wireshark revealed that during the TSL/SSL Hello the warning Alert (Level: Warning, Description: Unrecognized Name), Server Hello Was being sent from the server to the client. It was only a warning, however, Java 7.1 then responded immediately back with a "Fatal, Description: Unexpected Message", which I assume means the Java SSL libraries don't like to see the warning of unrecognized name.
From the Wiki on Transport Layer Security (TLS):
112 Unrecognized name warning TLS only; client's Server Name Indicator specified a hostname not supported by the server
This led me to look at my Apache config files and I found that if I added a ServerName or ServerAlias for the name sent from the client/java side, it worked correctly without any errors.
<VirtualHost mydomain.com:443>
ServerName mydomain.com
ServerAlias www.mydomain.com
I had the same problem with Entity Framework database first on all CLOB columns.
As a workaround, I filled the text values with spaces to be at least 4000 in width in insert operations (did not come with any better solution).
check $this->upload->initialize($config); this works fine for me
$new_image_name = "imgName".time() . str_replace(str_split(' ()\\/,:*?"<>|'), '',
$_FILES['userfile']['name']);
$config = array();
$config['upload_path'] = './uploads/';
$config['allowed_types'] = 'gif|jpg|png|bmp|jpeg';
$config['file_name'] = $new_image_name;
$config['max_size'] = '0';
$config['upload_path'] = './uploads/';
$config['allowed_types'] = 'gif|jpg|png|mp4|jpeg';
$config['file_name'] = url_title("imgsclogo");
$config['max_size'] = '0';
$config['overwrite'] = FALSE;
$this->upload->initialize($config);
$this->upload->do_upload();
$data = $this->upload->data();
}
rjust() and ljust()
test_string = "HelloWorld"
test_string.rjust(20)
' HelloWorld'
test_string.ljust(20)
'HelloWorld '
From your description, it looks like that you want to "reserve" the allocated storage space of vector t_Names.
Take note that resize
initialize the newly allocated vector where reserve
just allocates but does not construct. Hence, 'reserve' is much faster than 'resize'
You can refer to the documentation regarding the difference of resize and reserve
Around 1:51 in the video, notice how she puts a <script>
tag in there? The way it works is like this:
Create an html file (that's just a text file with a .html
ending) somewhere on your computer. In the same folder that you put index.html
, put a javascript file (that's just a textfile with a .js
ending - let's call it game.js
). Then, in your index.html
file, put some html that includes the script tag with game.js
, like Mary did in the video. index.html
should look something like this:
<html>
<head>
<script src="game.js"></script>
</head>
</html>
Now, double click on that file in finder, and it should open it up in your browser. To open up the console to see the output of your javascript code, hit Command-alt-j (those three buttons at the same time).
Good luck on your journey, hope it's as fun for you as it has been for me so far :)
Sometimes it's asking the question that makes the answer jump out. The methods and extra arguments are listed on the ggplot2 wiki stat_smooth page.
Which is alluded to on the geom_smooth()
page with:
"See stat_smooth for examples of using built in model fitting if you need some more flexible, this example shows you how to plot the fits from any model of your choosing".
It's not the first time I've seen arguments in examples for ggplot graphs that aren't specifically in the function. It does make it tough to work out the scope of each function, or maybe I am yet to stumble upon a magic explicit list that says what will and will not work within each function.
You need to make sure the frame is fully loaded the best way to do it is to use onload:
<iframe id="nesgt" src="" onload="custom()"></iframe>
function custom(){
document.getElementById("nesgt").contentWindow.document;
}
this function will run automatically when the iframe is fully loaded.
it could be done with setTimeout but we can't get the exact time of the frame load.
hope this helps someone.
There was a time when adding strings into an array and finalising the string by using join
was the fastest/best method. These days browsers have highly optimised string routines and it is recommended that +
and +=
methods are fastest/best
The simplest way to do it would be something like:
throw new java.lang.Exception();
However, the following lines would be unreachable in your code. So, we have two ways:
drop duplicate b_id
c = a.join(b, a.a_id == b.b_id).drop(b.b_id)
If you want to do this in pgadmin, it is much easier. It seems in postgressql, to add a auto increment to a column, we first need to create a auto increment sequence and add it to the required column. I did like this.
1) Firstly you need to make sure there is a primary key for your table. Also keep the data type of the primary key in bigint or smallint. (I used bigint, could not find a datatype called serial as mentioned in other answers elsewhere)
2)Then add a sequence by right clicking on sequence-> add new sequence. If there is no data in the table, leave the sequence as it is, don't make any changes. Just save it. If there is existing data, add the last or highest value in the primary key column to the Current value in Definitions tab as shown below.
3)Finally, add the line nextval('your_sequence_name'::regclass)
to the Default value in your primary key as shown below.
Make sure the sequence name is correct here. This is all and auto increment should work.
SET ROWCOUNT 1000;
DELETE FROM [MyTable] WHERE .....
Have you read about the nohup command?