The best regexp which I could find up till now is in here https://www.npmjs.com/package/base64-regex
which is in the current version looks like:
module.exports = function (opts) {
opts = opts || {};
var regex = '(?:[A-Za-z0-9+\/]{4}\\n?)*(?:[A-Za-z0-9+\/]{2}==|[A-Za-z0-9+\/]{3}=)';
return opts.exact ? new RegExp('(?:^' + regex + '$)') :
new RegExp('(?:^|\\s)' + regex, 'g');
};
I would add mnoGoSearch to the list. Extremely performant and flexible solution, which works as Google : indexer fetches data from multiple sites, You could use basic criterias, or invent Your own hooks to have maximal search quality. Also it could fetch the data directly from the database.
The solution is not so known today, but it feets maximum needs. You could compile and install it or on standalone server, or even on Your principal server, it doesn't need so much ressources as Solr, as it's written in C and runs perfectly even on small servers.
In the beginning You need to compile it Yourself, so it requires some knowledge. I made a tiny script for Debian, which could help. Any adjustments are welcome.
As You are using Django framework, You could use or PHP client in the middle, or find a solution in Python, I saw some articles.
And, of course mnoGoSearch is open source, GNU GPL.
What exists under PremGen : Class Area comes under PremGen area. Static fields are also developed at class loading time, so they also exist in PremGen. Constant Pool area having all immutable fields that are pooled like String are kept here. In addition to that, class data loaded by class loaders, Object arrays, internal objects used by jvm are also located.
If you are writing xml, just use the classes provided by the framework to create the xml. You won't have to bother with escaping or anything.
Console.Write(new XElement("Data", "< > &"));
Will output
<Data>< > &</Data>
If you need to read an XML file that is malformed, do not use regular expression. Instead, use the Html Agility Pack.
Iv'e fixed/improved Tomalak's answer with:
location.search
value instead of a url.Code:
function getSearchObject() {
if (location.search === "") return {};
var o = {},
nvPairs = location.search.substr(1).replace(/\+/g, " ").split("&");
nvPairs.forEach( function (pair) {
var e = pair.indexOf('=');
var n = decodeURIComponent(e < 0 ? pair : pair.substr(0,e)),
v = (e < 0 || e + 1 == pair.length)
? null :
decodeURIComponent(pair.substr(e + 1,pair.length - e));
if (!(n in o))
o[n] = v;
else if (o[n] instanceof Array)
o[n].push(v);
else
o[n] = [o[n] , v];
});
return o;
}
I think most people want their placeholder text to be in grey and appear only once, so this is what I did:
Set your color in viewDidLoad()
(not in IB)
commentsTextView.textColor = UIColor.darkGray
Implement UITextViewDelegate
to your controller
add function to your controller
func textViewDidBeginEditing(_ textView: UITextView) {
if (commentsTextView.textColor == UIColor.darkGray) {
commentsTextView.text = ""
commentsTextView.textColor = UIColor.black
}
}
This solution is simple.
As per my understanding data structure is any data residing in memory of any electronic system that can be efficiently managed. Many times it is a game of memory or faster accessibility of data. In terms of memory again, there are tradeoffs done with the management of data based on cost to the company of that end product. Efficiently managed tells us how best the data can be accessed based on the primary requirement of the end product. This is a very high level explanation but data structures is a vast subjects. Most of the interviewers dive into data structures that they can afford to discuss in the interviews depending on the time they have, which are linked lists and related subjects.
Now, these data types can be divided into primitive, abstract, composite, based on the way they are logically constructed and accessed.
I hope this helps you dive in.
You should remove navbar-fixed-top
class otherwise navbar stays fixed on top of page where you want logo.
If you want to place logo inside navbar:
Navbar height (set in @navbarHeight
LESS variable) is 40px
by default. Your logo has to fit inside or you have to make navbar higher first.
Then use brand
class:
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a href="/" class="brand"><img alt="" src="/logo.gif" /></a>
</div>
</div>
</div>
If your logo is higher than 20px
, you have to fix stylesheets as well.
If you do that in LESS:
.navbar .brand {
@elementHeight: 32px;
padding: ((@navbarHeight - @elementHeight) / 2 - 2) 20px ((@navbarHeight - @elementHeight) / 2 + 2);
}
@elementHeight
should be set to your image height.
Padding calculation is taken from Twitter Bootstrap LESS - https://github.com/twitter/bootstrap/blob/v2.0.4/less/navbar.less#L51-52
Alternatively you can calculate padding values yourself and use pure CSS.
This works for Twitter Bootstrap versions 2.0.x, should work in 2.1 as well, but padding calculation was changed a bit: https://github.com/twitter/bootstrap/blob/v2.1.0/less/navbar.less#L50
INSERT INTO preliminary_image (style_id,pre_image_status,file_extension,reviewer_id,
uploader_id,is_deleted,last_updated)
SELECT '4827499',pre_image_status,file_extension,reviewer_id,
uploader_id,'0',last_updated FROM preliminary_image WHERE style_id=4827488
Analysis
We can use above query if we want to copy data from one table to another table in mysql
Execution results
1 queries executed, 1 success, 0 errors, 0 warnings
Query: insert into preliminary_image (style_id,pre_image_status,file_extension,reviewer_id,uploader_id,is_deleted,last_updated) select ...
5 row(s) affected
Execution Time : 0.385 sec Transfer Time : 0 sec Total Time : 0.386 sec
The "string to long" (strtol
) function is standard for this ("long" can hold numbers much larger than "int"). This is how to use it:
#include <stdlib.h>
long arg = strtol(argv[1], NULL, 10);
// string to long(string, endpointer, base)
Since we use the decimal system, base is 10. The endpointer
argument will be set to the "first invalid character", i.e. the first non-digit. If you don't care, set the argument to NULL
instead of passing a pointer, as shown.
If you don't want non-digits to occur, you should make sure it's set to the "null terminator", since a \0
is always the last character of a string in C:
#include <stdlib.h>
char* p;
long arg = strtol(argv[1], &p, 10);
if (*p != '\0') // an invalid character was found before the end of the string
As the man page mentions, you can use errno
to check that no errors occurred (in this case overflows or underflows).
#include <stdlib.h>
#include <errno.h>
char* p;
errno = 0; // not 'int errno', because the '#include' already defined it
long arg = strtol(argv[1], &p, 10);
if (*p != '\0' || errno != 0) {
return 1; // In main(), returning non-zero means failure
}
// Everything went well, print it as 'long decimal'
printf("%ld", arg);
So now we are stuck with this long
, but we often want to work with integers. To convert a long
into an int
, we should first check that the number is within the limited capacity of an int
. To do this, we add a second if-statement, and if it matches, we can just cast it.
#include <stdlib.h>
#include <errno.h>
#include <limits.h>
char* p;
errno = 0; // not 'int errno', because the '#include' already defined it
long arg = strtol(argv[1], &p, 10);
if (*p != '\0' || errno != 0) {
return 1; // In main(), returning non-zero means failure
}
if (arg < INT_MIN || arg > INT_MAX) {
return 1;
}
int arg_int = arg;
// Everything went well, print it as a regular number
printf("%d", arg_int);
To see what happens if you don't do this check, test the code without the INT_MIN
/MAX
if-statement. You'll see that if you pass a number larger than 2147483647 (231), it will overflow and become negative. Or if you pass a number smaller than -2147483648 (-231-1), it will underflow and become positive. Values beyond those limits are too large to fit in an integer.
#include <stdio.h> // for printf()
#include <stdlib.h> // for strtol()
#include <errno.h> // for errno
#include <limits.h> // for INT_MIN and INT_MAX
int main(int argc, char** argv) {
char* p;
errno = 0; // not 'int errno', because the '#include' already defined it
long arg = strtol(argv[1], &p, 10);
if (*p != '\0' || errno != 0) {
return 1; // In main(), returning non-zero means failure
}
if (arg < INT_MIN || arg > INT_MAX) {
return 1;
}
int arg_int = arg;
// Everything went well, print it as a regular number plus a newline
printf("Your value was: %d\n", arg_int);
return 0;
}
In Bash, you can test this with:
cc code.c -o example # Compile, output to 'example'
./example $((2**31-1)) # Run it
echo "exit status: $?" # Show the return value, also called 'exit status'
Using 2**31-1
, it should print the number and 0
, because 231-1 is just in range. If you pass 2**31
instead (without -1
), it will not print the number and the exit status will be 1
.
Beyond this, you can implement custom checks: test whether the user passed an argument at all (check argc
), test whether the number is in the range that you want, etc.
Well if you store the data as UTC date in the database you can do something as simple as
select
[MyUtcDate] + getdate() - getutcdate()
from [dbo].[mytable]
this was it's always local from the point of the server and you are not fumbling with AT TIME ZONE 'your time zone name'
,
if your database get moved to another time zone like a client installation a hard coded time zone might bite you.
This thread is old but I wanted to do same things with the https://github.com/mikeal/request package.
Here a working example
var fs = require('fs');
var request = require('request');
// Or with cookies
// var request = require('request').defaults({jar: true});
request.get({url: 'https://someurl/somefile.torrent', encoding: 'binary'}, function (err, response, body) {
fs.writeFile("/tmp/test.torrent", body, 'binary', function(err) {
if(err)
console.log(err);
else
console.log("The file was saved!");
});
});
Here is the solutions that worked for me:
index.php
from the htdocs
folderdashboard
with your database name.This should resolve the issue :-)
Notepad++ dit it well only if you're in ANSI. If you do it in something like "ANSI AS UTF8", tidy dirty the doc :/.
Another way to do this:
<ul>
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>
ul {
width: auto;
display: table;
margin-left: auto;
margin-right: auto;
}
ul li {
float: left;
list-style: none;
margin-right: 1rem;
}
Try Case
SELECT stock.name,
CASE
WHEN stock.quantity <20 THEN 'Buy urgent'
ELSE 'There is enough'
END
FROM stock
To remove whitespace on both sides:
Kind of like php's trim()
" Hello ".strip
To remove all spaces:
" He llo ".gsub(/ /, "")
To remove all whitespace:
" He\tllo ".gsub(/\s/, "")
You can use BETWEEN
:
DELETE FROM table
where id between 163 and 265
This error is caused when you have enabled paging in Grid view. If you want to delete a record from grid then you have to do something like this.
int index = Convert.ToInt32(e.CommandArgument);
int i = index % 20;
// Here 20 is my GridView's Page Size.
GridViewRow row = gvMainGrid.Rows[i];
int id = Convert.ToInt32(gvMainGrid.DataKeys[i].Value);
new GetData().DeleteRecord(id);
GridView1.DataSource = RefreshGrid();
GridView1.DataBind();
Hope this answers the question.
I would suggest you read this article and focus more on how to optimize the overall response to the user request (either a page, a search result etc.)
A good argument for this is the example they give about using gzip to compress the page. Even though ttfb is faster when you do not compress, the overall experience of the user is worst because it takes longer to download content that is not zipped.
If you're not sure your input is going to be a Numpy array, you can use asarray
with dtype=int
instead of astype
:
>>> np.asarray([1,2,3,4], dtype=int)
array([1, 2, 3, 4])
If the input array already has the correct dtype, asarray
avoids the array copy while astype
does not (unless you specify copy=False
):
>>> a = np.array([1,2,3,4])
>>> a is np.asarray(a) # no copy :)
True
>>> a is a.astype(int) # copy :(
False
>>> a is a.astype(int, copy=False) # no copy :)
True
Alternative (Insert tooltip to user):
<style>
a.tooltips {
position: relative;
display: inline;
}
a.tooltips span {
position: absolute;
width: 240px;
color: #FFFFFF;
background: #000000;
height: 30px;
line-height: 30px;
text-align: center;
visibility: hidden;
border-radius: 6px;
}
a.tooltips span:after {
content: '';
position: absolute;
top: 100%;
left: 50%;
margin-left: -8px;
width: 0;
height: 0;
border-top: 8px solid #000000;
border-right: 8px solid transparent;
border-left: 8px solid transparent;
}
a:hover.tooltips span {
visibility: visible;
opacity: 0.8;
bottom: 30px;
left: 50%;
margin-left: -76px;
z-index: 999;
}
</style>
<a class="tooltips" href="#">\\server\share\docs<span>Copy link and open in Explorer</span></a>
Found a solution:
SWIFT_OBJC_BRIDGING_HEADER
) must be set at the Target level, and NOT the Project level. Be sure to delete the setting value at the Project level.(to me, it seems like an Xcode bug, since I don't know why it fixes it).
Go to http://dev.mysql.com/downloads/connector/j and with in the dropdown select "Platform Independent" then it will show you the options to download tar.gz file or zip file.
Download zip file and extract it, with in that you will find mysql-connector-XXX.jar
file
If you are using maven then you can add the dependency from the link http://mvnrepository.com/artifact/mysql/mysql-connector-java
Select the version you want to use and add the dependency in your pom.xml
file
As of 2021 insted of null i had to add {} in order to make it work!
axios.post(
url,
{},
{
params: {
key,
checksum
}
}
)
.then(response => {
return success(response);
})
.catch(error => {
return fail(error);
});
ALTER TABLE [table name] MODIFY COLUMN [column name] datatype
PyDev
PyDev has a pretty good interactive debugger. It has watch expressions, hover-to-evaluate, thread and stack listings and (almost) all the usual amenities you expect from a modern visual debugger. You can even attach to a running process and do remote debugging.
Like other visual debuggers, though, I find it useful mostly for simple problems, or for very complicated problems after I've tried everything else. I still do most of the heavy lifting with logging.
Sign-off is a line at the end of the commit message which certifies who is the author of the commit. Its main purpose is to improve tracking of who did what, especially with patches.
Example commit:
Add tests for the payment processor.
Signed-off-by: Humpty Dumpty <[email protected]>
It should contain the user real name if used for an open-source project.
If branch maintainer need to slightly modify patches in order to merge them, he could ask the submitter to rediff, but it would be counter-productive. He can adjust the code and put his sign-off at the end so the original author still gets credit for the patch.
Add tests for the payment processor.
Signed-off-by: Humpty Dumpty <[email protected]>
[Project Maintainer: Renamed test methods according to naming convention.]
Signed-off-by: Project Maintainer <[email protected]>
Source: http://gerrit.googlecode.com/svn/documentation/2.0/user-signedoffby.html
...this is obviously performing a 'string' comparison
No - if the date/time format matches the supported format, MySQL performs implicit conversion to convert the value to a DATETIME, based on the column it is being compared to. Same thing happens with:
WHERE int_column = '1'
...where the string value of "1" is converted to an INTeger because int_column
's data type is INT, not CHAR/VARCHAR/TEXT.
If you want to explicitly convert the string to a DATETIME, the STR_TO_DATE function would be the best choice:
WHERE expires_at <= STR_TO_DATE('2010-10-15 10:00:00', '%Y-%m-%d %H:%i:%s')
Looks like there are two things at play here:
I will address each separately.
Basically, in onBindViewHolder
you are given an already initialized ViewHolder
, which already contains a view. That ViewHolder
may or may not have been previously bound to some data!
Note this bit of code right here:
holder.checkBox.setChecked(fonts.get(position).isSelected());
If the holder has been previously bound, then the checkbox already has a listener for when the checked state changes! That listener is being triggered at this point, which is what was causing your IllegalStateException
.
An easy solution would be to remove the listener before calling setChecked
. An elegant solution would require more knowledge of your views - I encourage you to look for a nicer way of handling this.
The listener in your code is changing the state of the data without notifying the adapter of any subsequent changes. I don't know how your views are working so this may or may not be an issue. Typically when the state of your data changes, you need to let the adapter know about it.
RecyclerView.Adapter
has many options to choose from, including notifyItemChanged
, which tells it that a particular item has changed state. This might be good for your use
if(isChecked) {
for (int i = 0; i < fonts.size(); i++) {
if (i == position) continue;
Font f = fonts.get(i);
if (f.isSelected()) {
f.setSelected(false);
notifyItemChanged(i); // Tell the adapter this item is updated
}
}
fonts.get(position).setSelected(isChecked);
notifyItemChanged(position);
}
A trick to truncate that avoids a function call entirely is
var number = 2.9
var truncated = number - number % 1;
console.log(truncated); // 2
To round a floating-point number to the nearest integer, use the addition/subtraction
trick. This works for numbers with absolute value < 2 ^ 51.
var number = 2.9
var rounded = number + 6755399441055744.0 - 6755399441055744.0; // (2^52 + 2^51)
console.log(rounded); // 3
Note:
Halfway values are rounded to the nearest even using "round half to even" as the tie-breaking rule. Thus, for example, +23.5 becomes +24, as does +24.5. This variant of the round-to-nearest mode is also called bankers' rounding.
The magic number 6755399441055744.0
is explained in the stackoverflow post "A fast method to round a double to a 32-bit int explained".
// Round to whole integers using arithmetic operators
let trunc = (v) => v - v % 1;
let ceil = (v) => trunc(v % 1 > 0 ? v + 1 : v);
let floor = (v) => trunc(v % 1 < 0 ? v - 1 : v);
let round = (v) => trunc(v < 0 ? v - 0.5 : v + 0.5);
let roundHalfEven = (v) => v + 6755399441055744.0 - 6755399441055744.0; // (2^52 + 2^51)
console.log("number floor ceil round trunc");
var array = [1.5, 1.4, 1.0, -1.0, -1.4, -1.5];
array.forEach(x => {
let f = x => (x).toString().padStart(6," ");
console.log(`${f(x)} ${f(floor(x))} ${f(ceil(x))} ${f(round(x))} ${f(trunc(x))}`);
});
_x000D_
I jumped here looking for the very same thing, but none worked for me.
There are instances where regardless what you do, and depending on the system (Oracle Designer: Oracle 11g - PL/SQL), divs will always go to the next line, in which case you should use the span tag instead.
This worked wonders for me.
<span float: left; white-space: nowrap; overflow: hidden; onmouseover="rollOverImageSectionFiveThreeOne(this)">
<input type="radio" id="radio4" name="p_verify_type" value="SomeValue" />
</span>
Just Your Text ||
<span id="headerFiveThreeOneHelpText" float: left; white-space: nowrap; overflow: hidden;></span>
You could simply create a special Activity for debugging purpose:
@SuppressWarnings("unchecked")
public void loadPreferences() {
// create a textview with id (tv_pref) in Layout.
TextView prefTextView;
prefTextView = (TextView) findViewById(R.id.tv_pref);
Map<String, ?> prefs = PreferenceManager.getDefaultSharedPreferences(
context).getAll();
for (String key : prefs.keySet()) {
Object pref = prefs.get(key);
String printVal = "";
if (pref instanceof Boolean) {
printVal = key + " : " + (Boolean) pref;
}
if (pref instanceof Float) {
printVal = key + " : " + (Float) pref;
}
if (pref instanceof Integer) {
printVal = key + " : " + (Integer) pref;
}
if (pref instanceof Long) {
printVal = key + " : " + (Long) pref;
}
if (pref instanceof String) {
printVal = key + " : " + (String) pref;
}
if (pref instanceof Set<?>) {
printVal = key + " : " + (Set<String>) pref;
}
// Every new preference goes to a new line
prefTextView.append(printVal + "\n\n");
}
}
// call loadPreferences() in the onCreate of your Activity.
I encountered this error whenever I omitted a parameter while inflating the view for a fragment in the onCreateView()
method like so:
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fragment_reject, container);
return view;
}
The solution is to change the view inflation line to:
View view=inflater.inflate(R.layout.fragment_reject, container,false);
The explanation can be found at the Android guide for fragments
Quoting from the guide, the final parameter in the view initialization statement is false because:
"the system is already inserting the inflated layout into the container—passing true would create a redundant view group in the final layout"
/^$|\s+/
This matches when empty or white spaces
/(?!^$)([^\s])/
This matches when its not empty or white spaces
As @weichsel stated, CGFloat is just a typedef for either float
or double
. You can see for yourself by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well.
These types were introduced to make it easier to write code that works on both 32-bit and 64-bit without modification. However, if all you need is float
precision within your own code, you can still use float
if you like — it will reduce your memory footprint somewhat. Same goes for integer values.
I suggest you invest the modest time required to make your app 64-bit clean and try running it as such, since most Macs now have 64-bit CPUs and Snow Leopard is fully 64-bit, including the kernel and user applications. Apple's 64-bit Transition Guide for Cocoa is a useful resource.
requests
does not handle parsing XML responses, no. XML responses are much more complex in nature than JSON responses, how you'd serialize XML data into Python structures is not nearly as straightforward.
Python comes with built-in XML parsers. I recommend you use the ElementTree API:
import requests
from xml.etree import ElementTree
response = requests.get(url)
tree = ElementTree.fromstring(response.content)
or, if the response is particularly large, use an incremental approach:
response = requests.get(url, stream=True)
# if the server sent a Gzip or Deflate compressed response, decompress
# as we read the raw stream:
response.raw.decode_content = True
events = ElementTree.iterparse(response.raw)
for event, elem in events:
# do something with `elem`
The external lxml project builds on the same API to give you more features and power still.
For compatibility when ajax is not available, set .val('') or it will resend the last ajax-uploaded file that is still present in the input. The following should properly clear the input whilst retaining .on() events:
var input = $("input[type='file']");
input.html(input.html()).val('');
Specify the /FA switch for the cl compiler. Depending on the value of the switch either only assembly code or high-level code and assembly code is integrated. The filename gets .asm file extension. Here are the supported values:
You can use alexw's solution with the Artisan. Run following commands in the command line.
php artisan tinker
DB::connection()->getPdo();
If connection is OK, you should see
CONNECTION_STATUS: "Connection OK; waiting to send.",
near the end of the response.
I made it...
I just write
jQuery('#container').append(html)
instead
document.getElementById('container').innerHTML += html;
The equals (=) operator is a "comparison operator compares two values for equality." In other words, in an SQL statement, it won't return true unless both sides of the equation are equal. For example:
SELECT * FROM Store WHERE Quantity = 200;
The LIKE operator "implements a pattern match comparison" that attempts to match "a string value against a pattern string containing wild-card characters." For example:
SELECT * FROM Employees WHERE Name LIKE 'Chris%';
LIKE is generally used only with strings and equals (I believe) is faster. The equals operator treats wild-card characters as literal characters. The difference in results returned are as follows:
SELECT * FROM Employees WHERE Name = 'Chris';
And
SELECT * FROM Employees WHERE Name LIKE 'Chris';
Would return the same result, though using LIKE would generally take longer as its a pattern match. However,
SELECT * FROM Employees WHERE Name = 'Chris%';
And
SELECT * FROM Employees WHERE Name LIKE 'Chris%';
Would return different results, where using "=" results in only results with "Chris%" being returned and the LIKE operator will return anything starting with "Chris".
Hope that helps. Some good info can be found here.
In Windows 8.1 x64 bit os, Currently I am using MySQL
version :
Server version: 5.7.11-log MySQL Community Server (GPL)
For changing your MySQL
port number, Go to installation directory, my installation directory is :
C:\Program Files\MySQL\MySQL Server 5.7
open the my-default.ini
Configuration Setting file in any text editor.
search the line in the configuration file.
# port = .....
replace it with :
port=<my_new_port_number>
like my self changed to :
port=15800
To apply the changes don't forget to immediate either restart the MySQL Server or your OS.
Hope this would help many one.
.NET 2.0 does not use lambda expressions. You need to compile to .NET 3.0 to use them.
Copying Grid to datatable
if (GridView.Rows.Count != 0)
{
//Forloop for header
for (int i = 0; i < GridView.HeaderRow.Cells.Count; i++)
{
dt.Columns.Add(GridView.HeaderRow.Cells[i].Text);
}
//foreach for datarow
foreach (GridViewRow row in GridView.Rows)
{
DataRow dr = dt.NewRow();
for (int j = 0; j < row.Cells.Count; j++)
{
dr[GridView.HeaderRow.Cells[j].Text] = row.Cells[j].Text;
}
dt.Rows.Add(dr);
}
//Loop for footer
if (GridView.FooterRow.Cells.Count != 0)
{
DataRow dr = dt.NewRow();
for (int i = 0; i < GridView.FooterRow.Cells.Count; i++)
{
//You have to re-do the work if you did anything in databound for footer.
}
dt.Rows.Add(dr);
}
dt.TableName = "tb";
}
if you open localhost/phpmyadmin
you will find a tab called "User accounts". There you can define all your users that can access the mysql database, set their rights and even limit from where they can connect.
cd to directory, then:
du -sh
ftw!
Originally wrote about it here: https://ao.gl/get-the-total-size-of-all-the-files-in-a-directory/
You can do this using with jQuery UI dialog, you can download JQuery ui from here Download JQueryUI
Include these scripts first inside <head>
tag
<link href="css/smoothness/jquery-ui-1.9.0.custom.css" rel="stylesheet">
<script language="javascript" type="text/javascript" src="jquery-1.8.2.js"></script>
<script src="js/jquery-ui-1.9.0.custom.js"></script>
JQuery code
<script language="javascript" type="text/javascript">
$(document).ready(function() {
$('#trigger').click(function(){
$("#dialog").dialog();
});
});
</script>
HTML code within <body>
tag. Use an iframe to load the pdf file inside
<a href="#" id="trigger">this link</a>
<div id="dialog" style="display:none">
<div>
<iframe src="yourpdffile.pdf"></iframe>
</div>
</div>
public string Type { get; set; }
is no different than doing
private string _Type;
public string Type
{
get { return _Type; }
set { _Type = value; }
}
Official document of Crypto++ AES is a good start. And from my archive, a basic implementation of AES is as follows:
Please refer here with more explanation, I recommend you first understand the algorithm and then try to understand each line step by step.
#include <iostream>
#include <iomanip>
#include "modes.h"
#include "aes.h"
#include "filters.h"
int main(int argc, char* argv[]) {
//Key and IV setup
//AES encryption uses a secret key of a variable length (128-bit, 196-bit or 256-
//bit). This key is secretly exchanged between two parties before communication
//begins. DEFAULT_KEYLENGTH= 16 bytes
CryptoPP::byte key[ CryptoPP::AES::DEFAULT_KEYLENGTH ], iv[ CryptoPP::AES::BLOCKSIZE ];
memset( key, 0x00, CryptoPP::AES::DEFAULT_KEYLENGTH );
memset( iv, 0x00, CryptoPP::AES::BLOCKSIZE );
//
// String and Sink setup
//
std::string plaintext = "Now is the time for all good men to come to the aide...";
std::string ciphertext;
std::string decryptedtext;
//
// Dump Plain Text
//
std::cout << "Plain Text (" << plaintext.size() << " bytes)" << std::endl;
std::cout << plaintext;
std::cout << std::endl << std::endl;
//
// Create Cipher Text
//
CryptoPP::AES::Encryption aesEncryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH);
CryptoPP::CBC_Mode_ExternalCipher::Encryption cbcEncryption( aesEncryption, iv );
CryptoPP::StreamTransformationFilter stfEncryptor(cbcEncryption, new CryptoPP::StringSink( ciphertext ) );
stfEncryptor.Put( reinterpret_cast<const unsigned char*>( plaintext.c_str() ), plaintext.length() );
stfEncryptor.MessageEnd();
//
// Dump Cipher Text
//
std::cout << "Cipher Text (" << ciphertext.size() << " bytes)" << std::endl;
for( int i = 0; i < ciphertext.size(); i++ ) {
std::cout << "0x" << std::hex << (0xFF & static_cast<CryptoPP::byte>(ciphertext[i])) << " ";
}
std::cout << std::endl << std::endl;
//
// Decrypt
//
CryptoPP::AES::Decryption aesDecryption(key, CryptoPP::AES::DEFAULT_KEYLENGTH);
CryptoPP::CBC_Mode_ExternalCipher::Decryption cbcDecryption( aesDecryption, iv );
CryptoPP::StreamTransformationFilter stfDecryptor(cbcDecryption, new CryptoPP::StringSink( decryptedtext ) );
stfDecryptor.Put( reinterpret_cast<const unsigned char*>( ciphertext.c_str() ), ciphertext.size() );
stfDecryptor.MessageEnd();
//
// Dump Decrypted Text
//
std::cout << "Decrypted Text: " << std::endl;
std::cout << decryptedtext;
std::cout << std::endl << std::endl;
return 0;
}
For installation details :
sudo apt-get install libcrypto++-dev libcrypto++-doc libcrypto++-utils
From Javarevisited blog post:
Here are a few important differences between static and dynamic binding:
- Static binding in Java occurs during compile time while dynamic binding occurs during runtime.
private
,final
andstatic
methods and variables use static binding and are bonded by compiler while virtual methods are bonded during runtime based upon runtime object.- Static binding uses
Type
(class
in Java) information for binding while dynamic binding uses object to resolve binding.- Overloaded methods are bonded using static binding while overridden methods are bonded using dynamic binding at runtime.
Here is an example which will help you to understand both static and dynamic binding in Java.
Static Binding Example in Java
public class StaticBindingTest { public static void main(String args[]) { Collection c = new HashSet(); StaticBindingTest et = new StaticBindingTest(); et.sort(c); } //overloaded method takes Collection argument public Collection sort(Collection c) { System.out.println("Inside Collection sort method"); return c; } //another overloaded method which takes HashSet argument which is sub class public Collection sort(HashSet hs) { System.out.println("Inside HashSet sort method"); return hs; } }
Output: Inside Collection sort method
Example of Dynamic Binding in Java
public class DynamicBindingTest { public static void main(String args[]) { Vehicle vehicle = new Car(); //here Type is vehicle but object will be Car vehicle.start(); //Car's start called because start() is overridden method } } class Vehicle { public void start() { System.out.println("Inside start method of Vehicle"); } } class Car extends Vehicle { @Override public void start() { System.out.println("Inside start method of Car"); } }
Output: Inside start method of Car
You can resave the image and literally find the src file of your project and add it to that when you save. For me I had to go to netbeans and found my project and when that comes up it had 3 files src was the last. Don't click on any of them just save your pic there. That should work. Now resizing it may be a different issue and one I'm working on now lol
I had same issues, edited my hosts file 127.0.0.1 localhost, but noticed no difference.
I then disabled Compression in the IIS panel and applied, and problem appears to now be resolved.
IIS Manager > Compression > Uncheck 'Enable dynamic content compression' and uncheck 'Enable static content compression'. Then 'Apply'.
Hope this helps!
regards, Geoff
Piping some greps can do it (it runs in POSIX shell and under BusyBox):
cat my-file | grep -A1 my-regexp | grep -v -- '--' | grep -v my-regexp
-v
will show non-matching linesI would say the biggest difference between orElse
and orElseGet
comes when we want to evaluate something to get the new value in the else
condition.
Consider this simple example -
// oldValue is String type field that can be NULL
String value;
if (oldValue != null) {
value = oldValue;
} else {
value = apicall().value;
}
Now let's transform the above example to using Optional
along with orElse
,
// oldValue is Optional type field
String value = oldValue.orElse(apicall().value);
Now let's transform the above example to using Optional
along with orElseGet
,
// oldValue is Optional type field
String value = oldValue.orElseGet(() -> apicall().value);
When orElse
is invoked, the apicall().value
is evaluated and passed to the method. Whereas, in the case of orElseGet
the evaluation only happens if the oldValue
is empty. orElseGet
allows lazy evaluation.
You can use ServerXMLHTTP
in a VBA project by adding a reference to MSXML
.
- Open the VBA Editor (usually by editing a Macro)
- Go to the list of Available References
- Check Microsoft XML
- Click OK.
(from Referencing MSXML within VBA Projects)
The ServerXMLHTTP MSDN documentation has full details about all the properties and methods of ServerXMLHTTP.
In short though, it works basically like this:
- Call open method to connect to the remote server
- Call send to send the request.
- Read the response via responseXML, responseText, responseStream or responseBody
NSString* NSStringWithoutSpace(NSString* string)
{
return [string stringByReplacingOccurrencesOfString:@" " withString:@""];
}
Your object should implement the IComparable interface.
With it your class becomes a new function called CompareTo(T other)
. Within this function you can make any comparison between the current and the other object and return an integer value about if the first is greater, smaller or equal to the second one.
When you read in git tag
man page:
One important aspect of git is it is distributed, and being distributed largely means there is no inherent "upstream" or "downstream" in the system.
, that simply means there is no absolute upstream repo or downstream repo.
Those notions are always relative between two repos and depends on the way data flows:
If "yourRepo" has declared "otherRepo" as a remote one, then:
Note the "from" and "for": you are not just "downstream", you are "downstream from/for", hence the relative aspect.
The DVCS (Distributed Version Control System) twist is: you have no idea what downstream actually is, beside your own repo relative to the remote repos you have declared.
Basically:
In term of "flow of data", your repo is at the bottom ("downstream") of a flow coming from upstream repos ("pull from") and going back to (the same or other) upstream repos ("push to").
You can see an illustration in the git-rebase
man page with the paragraph "RECOVERING FROM UPSTREAM REBASE":
It means you are pulling from an "upstream" repo where a rebase took place, and you (the "downstream" repo) is stuck with the consequence (lots of duplicate commits, because the branch rebased upstream recreated the commits of the same branch you have locally).
That is bad because for one "upstream" repo, there can be many downstream repos (i.e. repos pulling from the upstream one, with the rebased branch), all of them having potentially to deal with the duplicate commits.
Again, with the "flow of data" analogy, in a DVCS, one bad command "upstream" can have a "ripple effect" downstream.
Note: this is not limited to data.
It also applies to parameters, as git commands (like the "porcelain" ones) often call internally other git commands (the "plumbing" ones). See rev-parse
man page:
Many git porcelainish commands take mixture of flags (i.e. parameters that begin with a dash '
-
') and parameters meant for the underlyinggit rev-list
command they use internally and flags and parameters for the other commands they use downstream ofgit rev-list
. This command is used to distinguish between them.
Why not just call
.values('reqColumn1','reqColumn2')
or .values_list('reqColumn1','reqColumn2')
on the queryset?
answers_list = models.objects.values('reqColumn1','reqColumn2')
result = [{'reqColumn1':value1,'reqColumn2':value2}]
OR
answers_list = models.objects.values_list('reqColumn1','reqColumn2')
result = [(value1,value2)]
You can able to do all the operation on this QuerySet, which you do for list .
One way to do this would be to override Equals()
on each type involved. For example, your top level object would override Equals()
to call the Equals()
method of all 5 child objects. Those objects should all override Equals()
as well, assuming they are custom objects, and so on until the entire hierarchy could be compared by just performing an equality check on the top level objects.
Being aware of the transaction (autocommit, explicit and implicit) handling for your database can save you from having to restore data from a backup.
Transactions control data manipulation statement(s) to ensure they are atomic. Being "atomic" means the transaction either occurs, or it does not. The only way to signal the completion of the transaction to database is by using either a COMMIT
or ROLLBACK
statement (per ANSI-92, which sadly did not include syntax for creating/beginning a transaction so it is vendor specific). COMMIT
applies the changes (if any) made within the transaction. ROLLBACK
disregards whatever actions took place within the transaction - highly desirable when an UPDATE/DELETE statement does something unintended.
Typically individual DML (Insert, Update, Delete) statements are performed in an autocommit transaction - they are committed as soon as the statement successfully completes. Which means there's no opportunity to roll back the database to the state prior to the statement having been run in cases like yours. When something goes wrong, the only restoration option available is to reconstruct the data from a backup (providing one exists). In MySQL, autocommit is on by default for InnoDB - MyISAM doesn't support transactions. It can be disabled by using:
SET autocommit = 0
An explicit transaction is when statement(s) are wrapped within an explicitly defined transaction code block - for MySQL, that's START TRANSACTION
. It also requires an explicitly made COMMIT
or ROLLBACK
statement at the end of the transaction. Nested transactions is beyond the scope of this topic.
Implicit transactions are slightly different from explicit ones. Implicit transactions do not require explicity defining a transaction. However, like explicit transactions they require a COMMIT
or ROLLBACK
statement to be supplied.
Explicit transactions are the most ideal solution - they require a statement, COMMIT
or ROLLBACK
, to finalize the transaction, and what is happening is clearly stated for others to read should there be a need. Implicit transactions are OK if working with the database interactively, but COMMIT
statements should only be specified once results have been tested & thoroughly determined to be valid.
That means you should use:
SET autocommit = 0;
START TRANSACTION;
UPDATE ...;
...and only use COMMIT;
when the results are correct.
That said, UPDATE and DELETE statements typically only return the number of rows affected, not specific details. Convert such statements into SELECT statements & review the results to ensure correctness prior to attempting the UPDATE/DELETE statement.
DDL (Data Definition Language) statements are automatically committed - they do not require a COMMIT statement. IE: Table, index, stored procedure, database, and view creation or alteration statements.
The relevant section of the MySQL manual is here. I'd start by going through the debugging steps listed there.
Also, remember that localhost and 127.0.0.1 are not the same thing in this context:
localhost
, then a socket or pipe is used.127.0.0.1
, then the client is forced to use TCP/IP.So, for example, you can check if your database is listening for TCP connections vi netstat -nlp
. It seems likely that it IS listening for TCP connections because you say that mysql -h 127.0.0.1
works just fine. To check if you can connect to your database via sockets, use mysql -h localhost
.
If none of this helps, then you probably need to post more details about your MySQL config, exactly how you're instantiating the connection, etc.
I had the same error "fatal: protocol error: bad line length character: shmi"
Where the shmi
is user name in my case.
I switched SSH from PuTTY to OpenSSH in "Git Extensions->Settings->SSH"
.
It helped.
I found solution. It works fine when I throw away next line from form:
enctype="multipart/form-data"
And now it pass all parameters at request ok:
<form action="/registration" method="post">
<%-- error messages --%>
<div class="form-group">
<c:forEach items="${registrationErrors}" var="error">
<p class="error">${error}</p>
</c:forEach>
</div>
You can use the search function available in the location object. The search function gives the parameter part of the URL. Details can be found in Location Object.
You will have to parse the resulting string for getting the variables and their values, e.g. splitting them on '='.
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
input[type="number"] {
-moz-appearance: textfield;
}
_x000D_
<input type="number" />
_x000D_
To add to existing answer...
In current versions of Firefox, the (user agent) default value of the -moz-appearance
property on these elements is number-input
. Changing that to the value textfield
effectively removes the spinner.
input[type="number"] {
-moz-appearance: textfield;
}
In some cases, you may want the spinner to be hidden initially, and then appear on hover/focus. (This is currently the default behavior in Chrome). If so, you can use the following:
input[type="number"] {
-moz-appearance: textfield;
}
input[type="number"]:hover,
input[type="number"]:focus {
-moz-appearance: number-input;
}
_x000D_
<input type="number"/>
_x000D_
In current versions of Chrome, the (user agent) default value of the -webkit-appearance
property on these elements is already textfield
. In order to remove the spinner, the -webkit-appearance
property's value needs to be changed to none
on the ::-webkit-outer-spin-button
/::-webkit-inner-spin-button
pseudo classes (it is -webkit-appearance: inner-spin-button
by default).
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
_x000D_
<input type="number" />
_x000D_
It's worth pointing out that margin: 0
is used to remove the margin in older versions of Chrome.
Currently, as of writing this, here is the default user agent styling on the 'inner-spin-button' pseudo class:
input::-webkit-inner-spin-button {
-webkit-appearance: inner-spin-button;
display: inline-block;
cursor: default;
flex: 0 0 auto;
align-self: stretch;
-webkit-user-select: none;
opacity: 0;
pointer-events: none;
-webkit-user-modify: read-only;
}
If using Postgres or SQLite, you can use the Filter clause to improve readability:
SELECT
COUNT(1) FILTER (WHERE POSITION = 'Manager') AS ManagerCount,
COUNT(1) FILTER (WHERE POSITION = 'Other') AS OtherCount
FROM ...
BigQuery also has Countif
- see the support across different SQL dialects for these features here:
https://modern-sql.com/feature/filter
__del__
is a finalizer. It is called when an object is garbage collected which happens at some point after all references to the object have been deleted.
In a simple case this could be right after you say del x
or, if x
is a local variable, after the function ends. In particular, unless there are circular references, CPython (the standard Python implementation) will garbage collect immediately.
However, this is an implementation detail of CPython. The only required property of Python garbage collection is that it happens after all references have been deleted, so this might not necessary happen right after and might not happen at all.
Even more, variables can live for a long time for many reasons, e.g. a propagating exception or module introspection can keep variable reference count greater than 0. Also, variable can be a part of cycle of references — CPython with garbage collection turned on breaks most, but not all, such cycles, and even then only periodically.
Since you have no guarantee it's executed, one should never put the code that you need to be run into __del__()
— instead, this code belongs to finally
clause of the try
block or to a context manager in a with
statement. However, there are valid use cases for __del__
: e.g. if an object X
references Y
and also keeps a copy of Y
reference in a global cache
(cache['X -> Y'] = Y
) then it would be polite for X.__del__
to also delete the cache entry.
If you know that the destructor provides (in violation of the above guideline) a required cleanup, you might want to call it directly, since there is nothing special about it as a method: x.__del__()
. Obviously, you should you do so only if you know that it doesn't mind to be called twice. Or, as a last resort, you can redefine this method using
type(x).__del__ = my_safe_cleanup_method
i think that is the solution
ArrayList<table> libel = new ArrayList<table>();
try {
SessionFactory sf = new Configuration().configure().buildSessionFactory();
Session s = sf.openSession();
s.beginTransaction();
String hql = "FROM table ";
org.hibernate.Query query = s.createQuery(hql);
libel= (ArrayList<table>) query.list();
Iterator it = libel.iterator();
while(it.hasNext()) {
table cat = (table) it.next();
cat.getLibCat();//table colonm getter
combobox.addItem(cat.getLibCat());
}
s.getTransaction().commit();
s.close();
sf.close();
} catch (Exception e) {
System.out.println("Exception in getSelectedData::"+e.getMessage());
Here is the Fluent API syntax.
http://blogs.msdn.com/b/adonet/archive/2010/12/06/ef-feature-ctp5-fluent-api-samples.aspx
class Person
{
public string FirstName { get; set; }
public string LastName { get; set; }
public string FullName {
get {
return this.FirstName + " " + this.LastName;
}
}
}
class PersonViewModel : Person
{
public bool UpdateProfile { get; set; }
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
// ignore a type that is not mapped to a database table
modelBuilder.Ignore<PersonViewModel>();
// ignore a property that is not mapped to a database column
modelBuilder.Entity<Person>()
.Ignore(p => p.FullName);
}
This technique worked for me:
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restTemplate.put(url, entity);
I hope this helps
If you're looking to do something with a list of files, you can use find combined with the bash $()
construct (better than backticks since it's allowed to nest).
for example, say you're at the top level of your project directory and you want a list of all C files starting with "btree". The command:
find . -type f -name 'btree*.c'
will return a list of them. But this doesn't really help with doing something with them.
So, let's further assume you want to search all those file for the string "ERROR" or edit them all. You can execute one of:
grep ERROR $(find . -type f -name 'btree*.c')
vi $(find . -type f -name 'btree*.c')
to do this.
Old question, but I did come across a similar situation. Don't think the above answer fully achieves what is needed. The missing piece is keychain
; install it if it isn't already.
sudo apt-get install keychain
Then add the following line to your ~/.bashrc
eval $(keychain --eval id_rsa)
This will start the ssh-agent
if it isn't running, connect to it if it is, load the ssh-agent
environment variables into your shell, and load your ssh key.
Change id_rsa
to whichever private key in ~/.ssh
you want to load.
Some useful options for keychain:
-q
Quiet mode--noask
Don't ask for the password upon start, but on demand when ssh key is actually used.Reference
In firebase-messaging:17.1.0
and newer the FirebaseInstanceIdService is deprecated, you can get the onNewToken
on the FirebaseMessagingService
class as explained on https://stackoverflow.com/a/51475096/1351469
But if you want to just get the token any time, then now you can do it like this:
FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener( this.getActivity(), new OnSuccessListener<InstanceIdResult>() {
@Override
public void onSuccess(InstanceIdResult instanceIdResult) {
String newToken = instanceIdResult.getToken();
Log.e("newToken",newToken);
}
});
Try to use rbindlist
approach over rbind
as it's very, very fast.
Example:
library(data.table)
##### example 1: slow processing ######
table.1 <- data.frame(x = NA, y = NA)
time.taken <- 0
for( i in 1:100) {
start.time = Sys.time()
x <- rnorm(100)
y <- x/2 +x/3
z <- cbind.data.frame(x = x, y = y)
table.1 <- rbind(table.1, z)
end.time <- Sys.time()
time.taken <- (end.time - start.time) + time.taken
}
print(time.taken)
> Time difference of 0.1637917 secs
####example 2: faster processing #####
table.2 <- list()
t0 <- 0
for( i in 1:100) {
s0 = Sys.time()
x <- rnorm(100)
y <- x/2 + x/3
z <- cbind.data.frame(x = x, y = y)
table.2[[i]] <- z
e0 <- Sys.time()
t0 <- (e0 - s0) + t0
}
s1 = Sys.time()
table.3 <- rbindlist(table.2)
e1 = Sys.time()
t1 <- (e1-s1) + t0
t1
> Time difference of 0.03064394 secs
This may be a late reply. But it may help others. It is very simple in MY SQL Workbench ( I am using Workbench version 6.3 and My SQL Version 5.1 Community edition): Right click on the table for which you want the create script, select 'Copy to Clipboard --> Create Statement' option. Simply paste in any text editor you want to get the create script.
There are some excellent points here and I'm going to add another one in case someones' path crosses here.
Thrift gives you an option to choose between thrift-binary and thrift-compact (de)serializer, thrift-binary will have an excellent performance but bigger packet size, while thrift-compact will give you good compression but needs more processing power. This is handy because you can always switch between these two modes as easily as changing a line of code (heck, even make it configurable). So if you are not sure how much your application should be optimized for packet size or in processing power, thrift can be an interesting choice.
PS: See this excellent benchmark project by thekvs
which compares many serializers including thrift-binary, thrift-compact, and protobuf: https://github.com/thekvs/cpp-serializers
PS: There is another serializer named YAS
which gives this option too but it is schema-less see the link above.
The whole thing to em is, that the size is relative to the base. So I would say you could keep the font sizes by altering the base.
Example: If you base is 16px, and p is .75em (which is 12px) you would have to raise the base to about 20px. In this case p would then equal about 15px which is the minimum I personally require for mobile phones.
You do not have to trigger a click event, you can do it with fancybox type as ajax.
$.fancybox.open({
href: "http://........",
type: 'ajax'
});
with git 1.7, there's a really easy way using git rebase
:
stage your files:
git add $files
create a new commit and re-use commit message of your "broken" commit
git commit -c master~4
prepend fixup!
in the subject line (or squash!
if you want to edit commit (message)):
fixup! Factored out some common XPath Operations
use git rebase -i --autosquash
to fixup your commit
We need to connect with IP address to the emulator, so look for the IP address of the running emulator (it's shown in the emulator title bar) and use something like:
adb connect 192.168.56.102:5555
Afterward adb
works normally. You may also find out the IP address of a running emulator by starting "Genymotion Shell" and typing 'devices list'
I also find out that occasionally I have to do the above when the emulator is running for a longer time and somehow ADB disconnects from it.
Greg
You are indeed passing the first data item to the each function.
Pass data.programs to the each function instead. Change the code to as below:
<script>
$(document).ready(function() {
var data = { "programs": [ { "name":"zonealarm", "price":"500" }, { "name":"kaspersky", "price":"200" } ] };
$.each(data.programs, function(key,val) {
alert(key+val);
});
});
</script>
Or, for less code, inside your click you place:
setTimeout(function(){
$('#DIV_ID').scrollTop(0);
}, 500);
use dependency maven:
groupId: net.sf.extcos
artifactId: extcos
version: 0.4b
then use this code :
ComponentScanner scanner = new ComponentScanner();
Set classes = scanner.getClasses(new ComponentQuery() {
@Override
protected void query() {
select().from("com.leyton").returning(allExtending(DynamicForm.class));
}
});
If You are using source control. vim temp files are quite useless.
So You might want to configure vim not to create them.
Just edit Your ~/.vimrc and add these lines:
set nobackup
set noswapfile
To stop typing, use onKeyPress
not onChange
.
Using event.preventDefault()
inside onKeyPress
means STOP the pressing event .
Since keyPress
handler is triggered before onChange
, you have to check the pressed key (event.keyCode
), NOT the current value of input (event.target.value
)
onKeyPress(event) {
const keyCode = event.keyCode || event.which;
const keyValue = String.fromCharCode(keyCode);
if (/\+|-/.test(keyValue))
event.preventDefault();
}
const {Component} = React; _x000D_
_x000D_
class Input extends Component {_x000D_
_x000D_
_x000D_
onKeyPress(event) {_x000D_
const keyCode = event.keyCode || event.which;_x000D_
const keyValue = String.fromCharCode(keyCode);_x000D_
if (/\+|-/.test(keyValue))_x000D_
event.preventDefault();_x000D_
}_x000D_
render() {_x000D_
_x000D_
return (_x000D_
<input style={{width: '150px'}} type="number" onKeyPress={this.onKeyPress.bind(this)} />_x000D_
_x000D_
)_x000D_
}_x000D_
_x000D_
}_x000D_
_x000D_
ReactDOM.render(<Input /> , document.querySelector('#app'));
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>_x000D_
_x000D_
<section id="app"></section>
_x000D_
You can do this using the WITH clause of the SELECT statement:
;
WITH my_select As (SELECT ... FROM ...)
SELECT * FROM foo
WHERE id IN (SELECT MAX(id) FROM my_select GROUP BY name)
That's the ANSI/ISO SQL Syntax. I know that SQL Server, Oracle and DB2 support it. Not sure about the others...
I've seen people mention a rename
command, but it is not routinely available on Unix systems (as opposed to Linux systems, say, or Cygwin - on both of which, rename is an executable rather than a script). That version of rename
has a fairly limited functionality:
rename from to file ...
It replaces the from part of the file names with the to, and the example given in the man page is:
rename foo foo0 foo? foo??
This renames foo1 to foo01, and foo10 to foo010, etc.
I use a Perl script called rename
, which I originally dug out from the first edition Camel book, circa 1992, and then extended, to rename files.
#!/bin/perl -w
#
# @(#)$Id: rename.pl,v 1.7 2008/02/16 07:53:08 jleffler Exp $
#
# Rename files using a Perl substitute or transliterate command
use strict;
use Getopt::Std;
my(%opts);
my($usage) = "Usage: $0 [-fnxV] perlexpr [filenames]\n";
my($force) = 0;
my($noexc) = 0;
my($trace) = 0;
die $usage unless getopts('fnxV', \%opts);
if ($opts{V})
{
printf "%s\n", q'RENAME Version $Revision: 1.7 $ ($Date: 2008/02/16 07:53:08 $)';
exit 0;
}
$force = 1 if ($opts{f});
$noexc = 1 if ($opts{n});
$trace = 1 if ($opts{x});
my($op) = shift;
die $usage unless defined $op;
if (!@ARGV) {
@ARGV = <STDIN>;
chop(@ARGV);
}
for (@ARGV)
{
if (-e $_ || -l $_)
{
my($was) = $_;
eval $op;
die $@ if $@;
next if ($was eq $_);
if ($force == 0 && -f $_)
{
print STDERR "rename failed: $was - $_ exists\n";
}
else
{
print "+ $was --> $_\n" if $trace;
print STDERR "rename failed: $was - $!\n"
unless ($noexc || rename($was, $_));
}
}
else
{
print STDERR "$_ - $!\n";
}
}
This allows you to write any Perl substitute or transliterate command to map file names. In the specific example requested, you'd use:
rename 's/^/new./' original.filename
The proper way is to manually put the repository in the right place. Once the repository is there, you can use go get -u
to update the package and go install
to install it. A package named
github.com/secmask/awserver-go
goes into
$GOPATH/src/github.com/secmask/awserver-go
The commands you type are:
cd $GOPATH/src/github.com/secmask
git clone [email protected]:secmask/awserver-go.git
To execute a binary or .run file in Linux from the shell, use the dot forward slash friend
./binary_file_name
and if it fails say because of permissions, you could try this before executing it
chmod +x binary_file_name
# then execute it
./binary_file_name
Hope it helps
A function like that without validating the enum is a trifle dangerous. I suggest using a switch statement. Another advantage is that this can be used for enums that have defined values, for example for flags where the values are 1,2,4,8,16 etc.
Also put all your enum strings together in one array:-
static const char * allEnums[] = {
"Undefined",
"apple",
"orange"
/* etc */
};
define the indices in a header file:-
#define ID_undefined 0
#define ID_fruit_apple 1
#define ID_fruit_orange 2
/* etc */
Doing this makes it easier to produce different versions, for example if you want to make international versions of your program with other languages.
Using a macro, also in the header file:-
#define CASE(type,val) case val: index = ID_##type##_##val; break;
Make a function with a switch statement, this should return a const char *
because the strings static consts:-
const char * FruitString(enum fruit e){
unsigned int index;
switch(e){
CASE(fruit, apple)
CASE(fruit, orange)
CASE(fruit, banana)
/* etc */
default: index = ID_undefined;
}
return allEnums[index];
}
If programming with Windows then the ID_ values can be resource values.
(If using C++ then all the functions can have the same name.
string EnumToString(fruit e);
)
You can achieve your goal by ViewModel and Live Data which is cleared by Arnav Rao. Now I put an example to clear it more neatly.
First, the assumed ViewModel
is named SharedViewModel.java
.
public class SharedViewModel extends ViewModel {
private final MutableLiveData<Item> selected = new MutableLiveData<Item>();
public void select(Item item) {
selected.setValue(item);
}
public LiveData<Item> getSelected() {
return selected;
}
}
Then the source fragment is the MasterFragment.java
from where we want to send a data.
public class MasterFragment extends Fragment {
private SharedViewModel model;
public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
model = new ViewModelProvider(requireActivity()).get(SharedViewModel.class);
itemSelector.setOnClickListener(item -> {
// Data is sent
model.select(item);
});
}
}
And finally the destination fragment is the DetailFragment.java
to where we want to receive the data.
public class DetailFragment extends Fragment {
public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
SharedViewModel model = new ViewModelProvider(requireActivity()).get(SharedViewModel.class);
model.getSelected().observe(getViewLifecycleOwner(), { item ->
// Data is received
});
}
}
This is what I use, based on this link
Function StripAccentb(RA As Range)
Dim A As String * 1
Dim B As String * 1
Dim i As Integer
Dim S As String
'Const AccChars = "ŠŽšžŸÀÁÂÃÄÅÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖÙÚÛÜÝàáâãäåçèéêëìíîïðñòóôõöùúûüýÿ"
'Const RegChars = "SZszYAAAAAACEEEEIIIIDNOOOOOUUUUYaaaaaaceeeeiiiidnooooouuuuyy"
Const AccChars = "ñéúãíçóêôöá" ' using less characters is faster
Const RegChars = "neuaicoeooa"
S = RA.Cells.Text
For i = 1 To Len(AccChars)
A = Mid(AccChars, i, 1)
B = Mid(RegChars, i, 1)
S = Replace(S, A, B)
'Debug.Print (S)
Next
StripAccentb = S
Exit Function
End Function
Usage:
=StripAccentb(B2) ' cell address
Sub version for all cells in a sheet:
Sub replacesub()
Dim A As String * 1
Dim B As String * 1
Dim i As Integer
Dim S As String
Const AccChars = "ñéúãíçóêôöá" ' using less characters is faster
Const RegChars = "neuaicoeooa"
Range("A1").Resize(Cells.Find(what:="*", SearchOrder:=xlRows, _
SearchDirection:=xlPrevious, LookIn:=xlValues).Row, _
Cells.Find(what:="*", SearchOrder:=xlByColumns, _
SearchDirection:=xlPrevious, LookIn:=xlValues).Column).Select '
For Each cell In Selection
If cell <> "" Then
S = cell.Text
For i = 1 To Len(AccChars)
A = Mid(AccChars, i, 1)
B = Mid(RegChars, i, 1)
S = replace(S, A, B)
Next
cell.Value = S
Debug.Print "celltext "; (cell.Text)
End If
Next cell
End Sub
For me I tried following 2 steps which sadly did not work :
Instead, I tried to solve keychain certificate related another issue given here This certificate has an invalid issuer Apple Push Services
This certificate has an invalid issuer
Now go to xcode app. target ? Build Setting ? Provisioning Profile . Select value from 'automatic' to appropriate Provisioning profile . Bingo!!! profile mismatch issue is solved.
If anyone needs to do this dynamically:
const keys = Object.keys(jsonObject);
keys.forEach((key) => {
// CREATE A NEW KEY HERE
var newKey = key.replace(' ', '_');
jsonObject[newKey] = jsonObject[key];
delete jsonObject[key];
});
jsonObject
will now have the new keys.
IMPORTANT:
If your key is not changed by the replace
function, it will just take it out of the array. You may want to put some if
statements in there.
Fast ways to duplicate an array in JavaScript in Order:
#1: array1copy = [...array1];
#2: array1copy = array1.slice(0);
#3: array1copy = array1.slice();
If your array objects contain some JSON-non-serializable content (functions, Number.POSITIVE_INFINITY, etc.) better to use
array1copy = JSON.parse(JSON.stringify(array1))
With a small change, it worked fine for me
$qb=$this->dm->createQueryBuilder('AppBundle:CSSDInstrument')
->update()
->field('status')->set($status)
->field('id')->equals($instrumentId)
->getQuery()
->execute();
Try the following (note that there should not be a space between the VAR
, =
, and GREG
).
SET VAR=GREG
ECHO %VAR%
PAUSE
You can use all
> all(1:6 %in% 0:36)
[1] TRUE
> all(1:60 %in% 0:36)
[1] FALSE
On a similar note, if you want to check whether any of the elements is TRUE you can use any
> any(1:6 %in% 0:36)
[1] TRUE
> any(1:60 %in% 0:36)
[1] TRUE
> any(50:60 %in% 0:36)
[1] FALSE
This will loop through all cells in a given range that you define ("RANGE TO SEARCH")
and add dashes at the cell below using the Offset()
method. As a best practice in VBA, you should never use the Select
method.
Sub AddDashes()
Dim SrchRng As Range, cel As Range
Set SrchRng = Range("RANGE TO SEARCH")
For Each cel In SrchRng
If InStr(1, cel.Value, "TOTAL") > 0 Then
cel.Offset(1, 0).Value = "-"
End If
Next cel
End Sub
Using !important
is not a good option, as you will most likely want to override your own styles in the future. That leaves us with CSS priorities.
Basically, every selector has its own numerical 'weight':
Among two selector styles browser will always choose the one with more weight. Order of your stylesheets only matters when priorities are even - that's why it is not easy to override Bootstrap.
Your option is to inspect Bootstrap sources, find out how exactly some specific style is defined, and copy that selector so your element has equal priority. But we kinda loose all Bootstrap sweetness in the process.
The easiest way to overcome this is to assign additional arbitrary ID to one of the root elements on your page, like this: <body id="bootstrap-overrides">
This way, you can just prefix any CSS selector with your ID, instantly adding 100 points of weight to the element, and overriding Bootstrap definitions:
/* Example selector defined in Bootstrap */
.jumbotron h1 { /* 10+1=11 priority scores */
line-height: 1;
color: inherit;
}
/* Your initial take at styling */
h1 { /* 1 priority score, not enough to override Bootstrap jumbotron definition */
line-height: 1;
color: inherit;
}
/* New way of prioritization */
#bootstrap-overrides h1 { /* 100+1=101 priority score, yay! */
line-height: 1;
color: inherit;
}
For people who are looking to insert a row between two rows in an existing excel with XSSF (Apache POI), there is already a method "copyRows" implemented in the XSSFSheet.
import org.apache.poi.ss.usermodel.CellCopyPolicy;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.FileInputStream;
import java.io.FileOutputStream;
public class App2 throws Exception{
public static void main(String[] args){
XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream("input.xlsx"));
XSSFSheet sheet = workbook.getSheet("Sheet1");
sheet.copyRows(0, 2, 3, new CellCopyPolicy());
FileOutputStream out = new FileOutputStream("output.xlsx");
workbook.write(out);
out.close();
}
}
A straightforward approach would be the following:
string[] tokens = str.Split(' ');
string retVal = tokens[0] + " " + tokens[1];
Try :
SELECT count(*),group FROM table GROUP BY group ORDER BY group
to order by count descending do
SELECT count(*),group FROM table GROUP BY group ORDER BY count(*) DESC
This will group the results by the group
column returning the group
and the count
and will return the order in group
order
I'm not sure exactly why you're trying to mark the fields dirty, but I found myself in a similar situation because I wanted validation errors to show up when somebody attempted to submit an invalid form. I ended up using jQuery to remove the .ng-pristine
class tags and add .ng-dirty
class tags to the appropriate fields. For example:
$scope.submit = function() {
// `formName` is the value of the `name` attribute on your `form` tag
if (this.formName.$invalid)
{
$('.ng-invalid:not("form")').each(function() {
$(this).removeClass('ng-pristine').addClass('ng-dirty');
});
// the form element itself is index zero, so the first input is typically at index 1
$('.ng-invalid')[1].focus();
}
}
I use highcharts. They are very interactive (and very fancy I might add). You do have to get a little creative to access data from MySQL database, but if you have a general understanding of JavaScript and PHP, you should have no problems.
You need to create a model class that contains all stored procedure properties like below. Also because Entity Framework model class needs primary key, you can create a fake key by using Guid.
public class GetFunctionByID
{
[Key]
public Guid? GetFunctionByID { get; set; }
// All the other properties.
}
then register the GetFunctionByID
model class in your DbContext
.
public class FunctionsContext : BaseContext<FunctionsContext>
{
public DbSet<App_Functions> Functions { get; set; }
public DbSet<GetFunctionByID> GetFunctionByIds {get;set;}
}
When you call your stored procedure, just see below:
var functionId = yourIdParameter;
var result = db.Database.SqlQuery<GetFunctionByID>("GetFunctionByID @FunctionId", new SqlParameter("@FunctionId", functionId)).ToList());
import java.util.StringTokenizer;
public class Occourence {
public static void main(String[] args) {
String key=null,str ="my name noorus my name noorus";
int i=0,tot=0;
StringTokenizer st=new StringTokenizer(str," ");
while(st.hasMoreTokens())
{
tot=tot+1;
key = st.nextToken();
while((i=(str.indexOf(key,i)+1))>0)
{
System.out.println("position of "+key+" "+"is "+(i-1));
}
}
System.out.println("total words present in string "+tot);
}
}
As 280Z28 says, for an IList<T>
you can just use the index. You could hide this in an extension method:
public static IEnumerable<T> FastReverse<T>(this IList<T> items)
{
for (int i = items.Count-1; i >= 0; i--)
{
yield return items[i];
}
}
This will be faster than Enumerable.Reverse()
which buffers all the data first. (I don't believe Reverse
has any optimisations applied in the way that Count()
does.) Note that this buffering means that the data is read completely when you first start iterating, whereas FastReverse
will "see" any changes made to the list while you iterate. (It will also break if you remove multiple items between iterations.)
For general sequences, there's no way of iterating in reverse - the sequence could be infinite, for example:
public static IEnumerable<T> GetStringsOfIncreasingSize()
{
string ret = "";
while (true)
{
yield return ret;
ret = ret + "x";
}
}
What would you expect to happen if you tried to iterate over that in reverse?
javascript provides a classList attribute for a node element in dom. Simply using
element.classList
will return a object of form
DOMTokenList {0: "class1", 1: "class2", 2: "class3", length: 3, item: function, contains: function, add: function, remove: function…}
The object has functions like contains, add, remove which you can use
The default strategy for @Column(name="TestName")
will be test_name
, this is correct behavior!
If you have a column named TestName
in your database you should change Column annotation to @Column(name="testname")
.
This works because database does not care if you name your column TestName or testname (column names are case insensitive!!).
But beware, the same does not apply for database name and table names, that are case sensitive on Unix systems but case in sensitive on Windows systems (the fact that probably kept a lot of people awake at night, working on windows but deploying on linux :))
After messing around with @BringBackCommodore64 answer I figured it out
[link](file:///d:/absolute.md) # absolute filesystem path
[link](./relative1.md) # relative to opened file
[link](/relativeToProject.md) # relative to opened project
All of them tested in Visual Studio Code
and working,
Note: The absolute path works in editor but doesn't work in markdown preview mode!
Here is the complete solution for directly integrating a report-viewer control (as well as any asp.net server side control) in an MVC .aspx view, which will also work on a report with multiple pages (unlike Adrian Toman's answer) and with AsyncRendering set to true, (based on "Pro ASP.NET MVC Framework" by Steve Sanderson).
What one needs to do is basically:
Add a form with runat = "server"
Add the control, (for report-viewer controls it can also sometimes work even with AsyncRendering="True" but not always, so check in your specific case)
Add server side scripting by using script tags with runat = "server"
Override the Page_Init event with the code shown below, to enable the use of PostBack and Viewstate
Here is a demonstration:
<form ID="form1" runat="server">
<rsweb:ReportViewer ID="ReportViewer1" runat="server" />
</form>
<script runat="server">
protected void Page_Init(object sender, EventArgs e)
{
Context.Handler = Page;
}
//Other code needed for the report viewer here
</script>
It is of course recommended to fully utilize the MVC approach, by preparing all needed data in the controller, and then passing it to the view via the ViewModel.
This will allow reuse of the View!
However this is only said for data this is needed for every post back, or even if they are required only for initialization if it is not data intensive, and the data also has not to be dependent on the PostBack and ViewState values.
However even data intensive can sometimes be encapsulated into a lambda expression and then passed to the view to be called there.
A couple of notes though:
getClass().getResource()
uses the class loader to load the resource. This means that the resource must be in the classpath to be loaded.
When doing it with Eclipse, everything you put in the source folder is "compiled" by Eclipse:
When launching the program with Eclipse, the bin directory is thus in the classpath, and since it contains the Test.properties file, this file can be loaded by the class loader, using getResource()
or getResourceAsStream()
.
If it doesn't work from the command line, it's thus because the file is not in the classpath.
Note that you should NOT do
FileInputStream inputStream = new FileInputStream(new File(getClass().getResource(url).toURI()));
to load a resource. Because that can work only if the file is loaded from the file system. If you package your app into a jar file, or if you load the classes over a network, it won't work. To get an InputStream, just use
getClass().getResourceAsStream("Test.properties")
And finally, as the documentation indicates,
Foo.class.getResourceAsStream("Test.properties")
will load a Test.properties file located in the same package as the class Foo.
Foo.class.getResourceAsStream("/com/foo/bar/Test.properties")
will load a Test.properties file located in the package com.foo.bar
.
You can do direct SQL to have a single query for both tables. I'll provide a sanitized query example to hopefully keep people from putting variables directly into the string itself (SQL injection danger), even though this example didn't specify the need for it:
@results = []
ActiveRecord::Base.connection.select_all(
ActiveRecord::Base.send(:sanitize_sql_array,
["... your SQL query goes here and ?, ?, ? are replaced...;", a, b, c])
).each do |record|
# instead of an array of hashes, you could put in a custom object with attributes
@results << {col_a_name: record["col_a_name"], col_b_name: record["col_b_name"], ...}
end
Edit: as Huy said, a simple way is ActiveRecord::Base.connection.execute("...")
. Another way is ActiveRecord::Base.connection.exec_query('...').rows
. And you can use native prepared statements, e.g. if using postgres, prepared statement can be done with raw_connection, prepare, and exec_prepared as described in https://stackoverflow.com/a/13806512/178651
You can also put raw SQL fragments into ActiveRecord relational queries: http://guides.rubyonrails.org/active_record_querying.html and in associations, scopes, etc. You could probably construct the same SQL with ActiveRecord relational queries and can do cool things with ARel as Ernie mentions in http://erniemiller.org/2010/03/28/advanced-activerecord-3-queries-with-arel/. And, of course there are other ORMs, gems, etc.
If this is going to be used a lot and adding indices won't cause other performance/resource issues, consider adding an index in the DB for payment_details.created_at and for payment_errors.created_at.
If lots of records and not all records need to show up at once, consider using pagination:
If you need to paginate, consider creating a view in the DB first called payment_records which combines the payment_details and payment_errors tables, then have a model for the view (which will be read-only). Some DBs support materialized views, which might be a good idea for performance.
Also consider hardware or VM specs on Rails server and DB server, config, disk space, network speed/latency/etc., proximity, etc. And consider putting DB on different server/VM than the Rails app if you haven't, etc.
JFrame.dispose() affects only to this frame (release all of the native screen resources used by this component, its subcomponents, and all children). System.exit() affects to entire JVM.
If you want to close all JFrame or all Window (since Frames extend Windows) to terminate the application in an ordered mode, you can do some like this:
Arrays.asList(Window.getWindows()).forEach(e -> e.dispose()); // or JFrame.getFrames()
I'm only familiar with Mongo and Couch, but there's also one named Persistence.
Firefox 3 will display %20
s in URLs as spaces in the address bar.
var1='hello'
var2='world'
var3=$var1" "$var2
echo $var3
I had similar issue with self-signed certificate. I could resolve it by using the certificate name same as FQDN of the server.
Ideally, SSL part should be managed at the server side. Client is not required to install any certificate for SSL. Also, some of the posts mentioned about bypassing the SSL from client code. But I totally disagree with that.
In your comment on @Kenneth's answer you're saying that ReadAsStringAsync()
is returning empty string.
That's because you (or something - like model binder) already read the content, so position of internal stream in Request.Content is on the end.
What you can do is this:
public static string GetRequestBody()
{
var bodyStream = new StreamReader(HttpContext.Current.Request.InputStream);
bodyStream.BaseStream.Seek(0, SeekOrigin.Begin);
var bodyText = bodyStream.ReadToEnd();
return bodyText;
}
Rather simpler method would be by using JavaScript method of innerHTML.
document.getElementById("#id_goes_here").innerHTML = "";
Rather simpler and more effective way.
Your code is almost right! You are right, you are just missing one step. When you read in the file, you are reading it as a string; but you want to turn the string back into a dictionary.
The error message you saw was because self.whip
was a string, not a dictionary.
I first wrote that you could just feed the string into dict()
but that doesn't work! You need to do something else.
Here is the simplest way: feed the string into eval()
. Like so:
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = eval(s)
You can do it in one line, but I think it looks messy this way:
def reading(self):
self.whip = eval(open('deed.txt', 'r').read())
But eval()
is sometimes not recommended. The problem is that eval()
will evaluate any string, and if someone tricked you into running a really tricky string, something bad might happen. In this case, you are just running eval()
on your own file, so it should be okay.
But because eval()
is useful, someone made an alternative to it that is safer. This is called literal_eval
and you get it from a Python module called ast
.
import ast
def reading(self):
s = open('deed.txt', 'r').read()
self.whip = ast.literal_eval(s)
ast.literal_eval()
will only evaluate strings that turn into the basic Python types, so there is no way that a tricky string can do something bad on your computer.
Actually, best practice in Python is to use a with
statement to make sure the file gets properly closed. Rewriting the above to use a with
statement:
import ast
def reading(self):
with open('deed.txt', 'r') as f:
s = f.read()
self.whip = ast.literal_eval(s)
In the most popular Python, known as "CPython", you usually don't need the with
statement as the built-in "garbage collection" features will figure out that you are done with the file and will close it for you. But other Python implementations, like "Jython" (Python for the Java VM) or "PyPy" (a really cool experimental system with just-in-time code optimization) might not figure out to close the file for you. It's good to get in the habit of using with
, and I think it makes the code pretty easy to understand.
You can search in windows by DOS and explorer GUI.
DOS:
1) DIR
2) ICACLS (searches for files and folders to set ACL on them)
3) cacls ..................................................
2) example
icacls c:*ntoskrnl*.* /grant system:(f) /c /t ,then use PMON from sysinternals to monitor what folders are denied accesss. The result contains
access path contains your drive
process name is explorer.exe
those were filters youu must apply
Arrays must have zero based integer indexes in JavaScript. So:
var valueToPush = new Array();
valueToPush[0] = productID;
valueToPush[1] = itemColorTitle;
valueToPush[2] = itemColorPath;
cookie_value_add.push(valueToPush);
Or maybe you want to use objects (which are associative arrays):
var valueToPush = { }; // or "var valueToPush = new Object();" which is the same
valueToPush["productID"] = productID;
valueToPush["itemColorTitle"] = itemColorTitle;
valueToPush["itemColorPath"] = itemColorPath;
cookie_value_add.push(valueToPush);
which is equivalent to:
var valueToPush = { };
valueToPush.productID = productID;
valueToPush.itemColorTitle = itemColorTitle;
valueToPush.itemColorPath = itemColorPath;
cookie_value_add.push(valueToPush);
It's a really fundamental and crucial difference between JavaScript arrays and JavaScript objects (which are associative arrays) that every JavaScript developer must understand.
Use NSJSONSerialization:
NSDictionary *dict;
NSData *dataFromDict = [NSJSONSerialization dataWithJSONObject:dict
options:NSJSONWritingPrettyPrinted
error:&error];
NSDictionary *dictFromData = [NSJSONSerialization JSONObjectWithData:dataFromDict
options:NSJSONReadingAllowFragments
error:&error];
The latest returns id
, so its a good idea to check the returned object type after you cast (here i casted to NSDictionary).
You either follow above approach or this one
Create the config file in the .ssh directory and add these line.
host xxx.xxx
Hostname xxx.xxx
IdentityFile ~/.ssh/id_rsa
User xxx
KexAlgorithms +diffie-hellman-group1-sha1
I strongly favour minimal file headers, by which I mean just:
#!
line) if this is an executable script import os # standard library
import sys
import requests # 3rd party packages
from mypackage import ( # local source
mymodule,
myothermodule,
)
ie. three groups of imports, with a single blank line between them. Within each group, imports are sorted. The final group, imports from local source, can either be absolute imports as shown, or explicit relative imports.
Everything else is a waste of time, visual space, and is actively misleading.
If you have legal disclaimers or licencing info, it goes into a separate file. It does not need to infect every source code file. Your copyright should be part of this. People should be able to find it in your LICENSE
file, not random source code.
Metadata such as authorship and dates is already maintained by your source control. There is no need to add a less-detailed, erroneous, and out-of-date version of the same info in the file itself.
I don't believe there is any other data that everyone needs to put into all their source files. You may have some particular requirement to do so, but such things apply, by definition, only to you. They have no place in “general headers recommended for everyone”.
/* Microsoft Edge Browser 12-18 (All versions before Chromium) */
This one should work:
@supports (-ms-ime-align:auto) {
.selector {
property: value;
}
}
For more see: Browser Strangeness
Simple extension:
public static bool IsNumeric(this String str)
{
try
{
Double.Parse(str.ToString());
return true;
}
catch {
}
return false;
}
I'd suggest window.open()
to open a popup window. If it's a download, there will be no window and you will get your file. If there is a 404 or something, the user will see it in a new window (hence, their work will not be bothered, but they will still get an error message).
Have you tried this code?
window.onbeforeunload = function (event) {
var message = 'Important: Please click on \'Save\' button to leave this page.';
if (typeof event == 'undefined') {
event = window.event;
}
if (event) {
event.returnValue = message;
}
return message;
};
$(function () {
$("a").not('#lnkLogOut').click(function () {
window.onbeforeunload = null;
});
$(".btn").click(function () {
window.onbeforeunload = null;
});
});
The second function is optional to avoid prompting while clicking on #lnkLogOut
and .btn
elements.
One more thing, The custom Prompt will not work in Firefox (even in latest version also). For more details about it, please go to this thread.
In order to capture deadlock graphs without using a trace (you don't need profiler necessarily), you can enable trace flag 1222. This will write deadlock information to the error log. However, the error log is textual, so you won't get nice deadlock graph pictures - you'll have to read the text of the deadlocks to figure it out.
I would set this as a startup trace flag (in which case you'll need to restart the service). However, you can run it only for the current running instance of the service (which won't require a restart, but which won't resume upon the next restart) using the following global trace flag command:
DBCC TRACEON(1222, -1);
A quick search yielded this tutorial:
http://www.mssqltips.com/sqlservertip/2130/finding-sql-server-deadlocks-using-trace-flag-1222/
Also note that if your system experiences a lot of deadlocks, this can really hammer your error log, and can become quite a lot of noise, drowning out other, important errors.
Have you considered third party monitoring tools? SQL Sentry Performance Advisor, for example, has a much nicer deadlock graph, showing you object / index names as well as the order in which the locks were taken. As a bonus, these are captured for you automatically on monitored servers without having to configure trace flags, run your own traces, etc.:
Disclaimer: I work for SQL Sentry.
You can use Array.sort
method to sort the array. A sorting function that considers the length of string as the sorting criteria can be used as follows:
arr.sort(function(a, b){
// ASC -> a.length - b.length
// DESC -> b.length - a.length
return b.length - a.length;
});
Note: sorting ["a", "b", "c"]
by length of string is not guaranteed to return ["a", "b", "c"]
. According to the specs:
The sort is not necessarily stable (that is, elements that compare equal do not necessarily remain in their original order).
If the objective is to sort by length then by dictionary order you must specify additional criteria:
["c", "a", "b"].sort(function(a, b) {
return a.length - b.length || // sort by length, if equal then
a.localeCompare(b); // sort by dictionary order
});
Here's one way to do it:
if not any(d['main_color'] == 'red' for d in a):
# does not exist
The part in parentheses is a generator expression that returns True
for each dictionary that has the key-value pair you are looking for, otherwise False
.
If the key could also be missing the above code can give you a KeyError
. You can fix this by using get
and providing a default value. If you don't provide a default value, None
is returned.
if not any(d.get('main_color', default_value) == 'red' for d in a):
# does not exist
try something like this:
DECLARE @YourTable table (PK int, col1 varchar(20), col2 varchar(20), col3 varchar(20))
INSERT @YourTable VALUES (1, 'ok','ok','ok')
INSERT @YourTable VALUES (2, 'BA'+char(182)+'D','ok','ok')
INSERT @YourTable VALUES (3, 'ok',char(182)+'BAD','ok')
INSERT @YourTable VALUES (4, 'ok','ok','B'+char(182)+'AD')
INSERT @YourTable VALUES (5, char(182)+'BAD','ok',char(182)+'BAD')
INSERT @YourTable VALUES (6, 'BAD'+char(182),'B'+char(182)+'AD','BAD'+char(182)+char(182)+char(182))
--if you have a Numbers table use that, other wise make one using a CTE
;WITH AllNumbers AS
( SELECT 1 AS Number
UNION ALL
SELECT Number+1
FROM AllNumbers
WHERE Number<1000
)
SELECT
pk, 'Col1' BadValueColumn, CONVERT(varchar(20),col1) AS BadValue --make the XYZ in convert(varchar(XYZ), ...) the largest value of col1, col2, col3
FROM @YourTable y
INNER JOIN AllNumbers n ON n.Number <= LEN(y.col1)
WHERE ASCII(SUBSTRING(y.col1, n.Number, 1))<32 OR ASCII(SUBSTRING(y.col1, n.Number, 1))>127
UNION
SELECT
pk, 'Col2' BadValueColumn, CONVERT(varchar(20),col2) AS BadValue --make the XYZ in convert(varchar(XYZ), ...) the largest value of col1, col2, col3
FROM @YourTable y
INNER JOIN AllNumbers n ON n.Number <= LEN(y.col2)
WHERE ASCII(SUBSTRING(y.col2, n.Number, 1))<32 OR ASCII(SUBSTRING(y.col2, n.Number, 1))>127
UNION
SELECT
pk, 'Col3' BadValueColumn, CONVERT(varchar(20),col3) AS BadValue --make the XYZ in convert(varchar(XYZ), ...) the largest value of col1, col2, col3
FROM @YourTable y
INNER JOIN AllNumbers n ON n.Number <= LEN(y.col3)
WHERE ASCII(SUBSTRING(y.col3, n.Number, 1))<32 OR ASCII(SUBSTRING(y.col3, n.Number, 1))>127
order by 1
OPTION (MAXRECURSION 1000)
OUTPUT:
pk BadValueColumn BadValue
----------- -------------- --------------------
2 Col1 BA¶D
3 Col2 ¶BAD
4 Col3 B¶AD
5 Col1 ¶BAD
5 Col3 ¶BAD
6 Col1 BAD¶
6 Col2 B¶AD
6 Col3 BAD¶¶¶
(8 row(s) affected)
Just in case you want to handle the behaviour of the back button (at the bottom of the phone) and the home button (the one to the left of the action bar), this custom activity I'm using in my project may help you.
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
/**
* Activity where the home action bar button behaves like back by default
*/
public class BackActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setupHomeButton();
}
private void setupHomeButton() {
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setHomeButtonEnabled(true);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onMenuHomePressed();
return true;
}
return super.onOptionsItemSelected(item);
}
protected void onMenuHomePressed() {
onBackPressed();
}
}
Example of use in your activity:
public class SomeActivity extends BackActivity {
// ....
@Override
public void onBackPressed()
{
// Example of logic
if ( yourConditionToOverride ) {
// ... do your logic ...
} else {
super.onBackPressed();
}
}
}
Instead of [ngIf] you should use *ngIf like this:
<div *ngIf="isAuth" id="sidebar">
In case the target page is on the same domain (i.e. shares the same origin with your page) and you don't mind creation of new tabs (1), you can (ab)use some JavaScript:
<a href="javascript:void(window.open('./target.html').onload=function(){this.document.querySelector('p:nth-child(10)').scrollIntoView()})">see tenth paragraph on another page</a>
Trivia:
var w = window.open('some URL of the same origin');
w.onload = function(){
// do whatever you want with `this.document`, like
this.document.querySelecotor('footer').scrollIntoView()
}
Working example of such 'exploit' you can try right now could be:
javascript:(function(url,sel,w,el){w=window.open(url);w.addEventListener('load',function(){w.setTimeout(function(){el=w.document.querySelector(sel);el.scrollIntoView();el.style.backgroundColor='red'},1000)})})('https://stackoverflow.com/questions/45014240/link-to-a-specific-spot-on-a-page-i-cant-edit','footer')
If you enter this into location bar (mind that Chrome removes javascript:
prefix when pasted from clipboard) or make it a href
value of any link on this page (using Developer Tools) and click it, you will get another (duplicate) SO question page scrolled to the footer and footer painted red. (Delay added as a workaround for ajax-loaded content pushing footer down after load.)
Notes
window.open(url,'_self')
seems to be breaking the load
event; basically makes the window.open
behave like a normal a href=""
click navigation; haven't researched more yet.It is possible to reference an intellij 'Path Variable' in an intellij 'Run Configuration'.
In 'Path Variables' create a variable for example ANALYTICS_VERSION
.
In a 'Run Configuration' under 'Environment Variables' add for example the following:
ANALYTICS_LOAD_LOCATION=$MAVEN_REPOSITORY$\com\my\company\analytics\$ANALYTICS_VERSION$\bin
To answer the original question you would need to add an APP_HOME
environment variable to your run configuration which references the path variable:
APP_HOME=$APP_HOME$
Spring annotations will work fine if you remove enctype="multipart/form-data"
.
@RequestParam(value="txtEmail", required=false)
You can even get the parameters from the request
object .
request.getParameter(paramName);
Use a form in case the number of attributes are large. It will be convenient. Tutorial to get you started.
Configure the Multi-part resolver if you want to receive enctype="multipart/form-data"
.
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="250000"/>
</bean>
Refer the Spring documentation.
Selector > child:
.text-center-row>th,_x000D_
.text-center-row>td {_x000D_
text-align: center;_x000D_
}
_x000D_
<table border="1" width='500px'>_x000D_
<tr class="text-center-row">_x000D_
<th>Text</th>_x000D_
<th>Text</th>_x000D_
<th>Text</th>_x000D_
<th>Text</th>_x000D_
</tr>_x000D_
<tr>_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
</tr>_x000D_
<tr class="text-center-row">_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
<td>Text</td>_x000D_
</tr>_x000D_
</table>
_x000D_
Json.NET allows us to do this:
dynamic d = JObject.Parse("{number:1000, str:'string', array: [1,2,3,4,5,6]}");
Console.WriteLine(d.number);
Console.WriteLine(d.str);
Console.WriteLine(d.array.Count);
Output:
1000
string
6
Documentation here: LINQ to JSON with Json.NET
See also JObject.Parse and JArray.Parse
Looks like you're missing the SEPARATOR keyword in the GROUP_CONCAT function.
GROUP_CONCAT(artists.artistname SEPARATOR '----')
The way you've written it, you're concatenating artists.artistname
with the '----'
string using the default comma separator.
Run vim
from the terminal. For the basics, you're advised to run the command vimtutor
.
# On your terminal command line:
$ vim
If you have a specific file to edit, pass it as an argument.
$ vim yourfile.cpp
Likewise, launch the tutorial
$ vimtutor
Got it working. Here was my procedure:
Sources
tab in chrome inspectorElements
tab in inspectorJust replace from bottom and add this
tv.setLayoutParams(new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT));
before
llview.addView(tv);
Problem: The accepted answer does not actually fix the indentation in the current document.
Solution: Run Format Document
to re-process the document according to current (new) settings.
Problem: The HTML docs in my projects are of type "Django HTML" not "HTML" and there is no formatter available.
Solution: Switch them to syntax "HTML", format them, then switch back to "Django HTML."
Problem: The HTML formatter doesn't know how to handle Django template tags and undoes much of my carefully applied nesting.
Solution: Install the Indent 4-2 extension, which performs indentation strictly, without regard to the current language syntax (which is what I want in this case).
If you know the settings in advance you can define it in a single statement:
var defaultsettings = {
ajaxsettings : { "ak1" : "v1", "ak2" : "v2", etc. },
uisettings : { "ui1" : "v1", "ui22" : "v2", etc }
};
If you don't know the values in advance you can just define the top level object and then add properties:
var defaultsettings = { };
defaultsettings["ajaxsettings"] = {};
defaultsettings["ajaxsettings"]["somekey"] = "some value";
Or half-way between the two, define the top level with nested empty objects as properties and then add properties to those nested objects:
var defaultsettings = {
ajaxsettings : { },
uisettings : { }
};
defaultsettings["ajaxsettings"]["somekey"] = "some value";
defaultsettings["uisettings"]["somekey"] = "some value";
You can nest as deep as you like using the above techniques, and anywhere that you have a string literal in the square brackets you can use a variable:
var keyname = "ajaxsettings";
var defaultsettings = {};
defaultsettings[keyname] = {};
defaultsettings[keyname]["some key"] = "some value";
Note that you can not use variables for key names in the { } literal syntax.
Suggested changes:
CopyFromRecordset
;Revised code:
Sub GetDataFromADO()
'Declare variables'
Dim objMyConn As ADODB.Connection
Dim objMyCmd As ADODB.Command
Dim objMyRecordset As ADODB.Recordset
Set objMyConn = New ADODB.Connection
Set objMyCmd = New ADODB.Command
Set objMyRecordset = New ADODB.Recordset
'Open Connection'
objMyConn.ConnectionString = "Provider=SQLOLEDB;Data Source=localhost;User ID=abc;Password=abc;"
objMyConn.Open
'Set and Excecute SQL Command'
Set objMyCmd.ActiveConnection = objMyConn
objMyCmd.CommandText = "select * from mytable"
objMyCmd.CommandType = adCmdText
'Open Recordset'
Set objMyRecordset.Source = objMyCmd
objMyRecordset.Open
'Copy Data to Excel'
ActiveSheet.Range("A1").CopyFromRecordset objMyRecordset
End Sub
callback work steps:
1) we have to implement ICallbackEventHandler
Interface
2) Register the client script :
String cbReference = Page.ClientScript.GetCallbackEventReference(this, "arg", "ReceiveServerData", "context");
String callbackScript = "function UseCallBack(arg, context)" + "{ " + cbReference + ";}";
Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "UseCallBack", callbackScript, true);
1) from UI call Onclient click call javascript function for EX:- builpopup(p1,p2,p3...)
var finalfield= p1,p2,p3;
UseCallBack(finalfield, "");
data from the client passed to server side by using UseCallBack
2) public void RaiseCallbackEvent(string eventArgument)
In eventArgument we get the passed data
//do some server side operation and passed to "callbackResult"
3) GetCallbackResult()
// using this method data will be passed to client(ReceiveServerData() function) side
callbackResult
4) Get the data at client side:
ReceiveServerData(text)
, in text server response , we wil get.
This isn't possible with ruby currently. You can't pass 'empty' attributes to methods. The closest you can get is to pass nil:
ldap_get(base_dn, filter, nil, X)
However, this will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE.
What you can do is set the default value within your method:
def ldap_get(base_dn, filter, scope = nil, attrs = nil)
scope ||= LDAP::LDAP_SCOPE_SUBTREE
... do something ...
end
Now if you call the method as above, the behaviour will be as you expect.
To find all valid address list this is the code I have used
public static IEnumerable<string> GetAddresses()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
return (from ip in host.AddressList where ip.AddressFamily == AddressFamily.lo select ip.ToString()).ToList();
}
it depends what sort of t-test you want to do (one sided or two sided dependent or independent) but it should be as simple as:
from scipy.stats import ttest_ind
cat1 = my_data[my_data['Category']=='cat1']
cat2 = my_data[my_data['Category']=='cat2']
ttest_ind(cat1['values'], cat2['values'])
>>> (1.4927289925706944, 0.16970867501294376)
it returns a tuple with the t-statistic & the p-value
see here for other t-tests http://docs.scipy.org/doc/scipy/reference/stats.html
You can do this:
//first get all the <a> elements
List<WebElement> linkList=driver.findElements(By.tagName("a"));
//now traverse over the list and check
for(int i=0 ; i<linkList.size() ; i++)
{
if(linkList.get(i).getAttribute("href").contains("long"))
{
linkList.get(i).click();
break;
}
}
in this what we r doing is first we are finding all the <a>
tags and storing them in a list.After
that we are iterating the list one by one to find <a>
tag whose href attribute contains long string. And then we click on that particular <a>
tag and comes out of the loop.
The issue pointed in the comment is valid, so here is a different revision that's immune to that:
function show_alert() {
if(!confirm("Do you really want to do this?")) {
return false;
}
this.form.submit();
}
If you are using Windows, open up a command prompt and type 'netstat -an'.
If your server is running, you should be able to see the port 1883.
If you cannot go to Task Manager > Services and start/restart the Mosquitto server from there. If you cannot find it here too, your installation of Mosquitto has not been successful.
A more detailed tutorial for setting up Mosquitto with Windows / is linked here.
I found the thing so useful that I built an even easier to use wrapper around it (npm, github).
Installing it:
npm install -g qckwinsvc
Installing your service:
qckwinsvc
prompt: Service name: [name for your service]
prompt: Service description: [description for it]
prompt: Node script path: [path of your node script]
Service installed
Uninstalling your service:
qckwinsvc --uninstall
prompt: Service name: [name of your service]
prompt: Node script path: [path of your node script]
Service stopped
Service uninstalled
To get all the dropdown values you can use List.
List<string> lstDropDownValues = new List<string>();
int iValuescount = driver.FindElement(By.Xpath("\html\....\select\option"))
for(int ivalue = 1;ivalue<=iValuescount;ivalue++)
{
string strValue = driver.FindElement(By.Xpath("\html\....\select\option["+ ivalue +"]"));
lstDropDownValues.Add(strValue);
}
You don't add any variables to the System Variables. You take the existing 'Path' system variable, and modify it by adding a semi-colon after, then c:\Python27
Piecing things together from here and other places, this is what I came up with that works on unbuntu 12.04 and centOS6
Create an file in /etc/rsyslog.d/
that ends in .conf and add the following text
local6.* /var/log/my-logfile
Restart rsyslog
, reloading did NOT seem to work for the new log files. Maybe it only reloads existing conf files?
sudo restart rsyslog
Then you can use this test program to make sure it actually works.
import logging, sys
from logging import config
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'verbose': {
'format': '%(levelname)s %(module)s P%(process)d T%(thread)d %(message)s'
},
},
'handlers': {
'stdout': {
'class': 'logging.StreamHandler',
'stream': sys.stdout,
'formatter': 'verbose',
},
'sys-logger6': {
'class': 'logging.handlers.SysLogHandler',
'address': '/dev/log',
'facility': "local6",
'formatter': 'verbose',
},
},
'loggers': {
'my-logger': {
'handlers': ['sys-logger6','stdout'],
'level': logging.DEBUG,
'propagate': True,
},
}
}
config.dictConfig(LOGGING)
logger = logging.getLogger("my-logger")
logger.debug("Debug")
logger.info("Info")
logger.warn("Warn")
logger.error("Error")
logger.critical("Critical")
The best way around this would be to create an Excel called 'launcher.xlsm' in the same folder as the file you wish to open. In the 'launcher' file put the following code in the 'Workbook' object, but set the constant TargetWBName
to be the name of the file you wish to open.
Private Const TargetWBName As String = "myworkbook.xlsx"
'// First, a function to tell us if the workbook is already open...
Function WorkbookOpen(WorkBookName As String) As Boolean
' returns TRUE if the workbook is open
WorkbookOpen = False
On Error GoTo WorkBookNotOpen
If Len(Application.Workbooks(WorkBookName).Name) > 0 Then
WorkbookOpen = True
Exit Function
End If
WorkBookNotOpen:
End Function
Private Sub Workbook_Open()
'Check if our target workbook is open
If WorkbookOpen(TargetWBName) = False Then
'set calculation to manual
Application.Calculation = xlCalculationManual
Workbooks.Open ThisWorkbook.Path & "\" & TargetWBName
DoEvents
Me.Close False
End If
End Sub
Set the constant 'TargetWBName' to be the name of the workbook that you wish to open.
This code will simply switch calculation to manual, then open the file. The launcher file will then automatically close itself.
*NOTE: If you do not wish to be prompted to 'Enable Content' every time you open this file (depending on your security settings) you should temporarily remove the 'me.close' to prevent it from closing itself, save the file and set it to be trusted, and then re-enable the 'me.close' call before saving again. Alternatively, you could just set the False to True
after Me.Close
Elaborating on the previous answer, you can gather all the required snippets before outputting the header, and only then use an action hook to inject all you need on the head.
In your functions.php file, add
$inject_required_scripts = array();
/**
* Call this function before calling get_header() to request custom js code to be injected on head.
*
* @param code the javascript code to be injected.
*/
function require_script($code) {
global $inject_required_scripts;
$inject_required_scripts[] = $code; // store code snippet for later injection
}
function inject_required_scripts() {
global $inject_required_scripts;
foreach($inject_required_scripts as $script)
// inject all code snippets, if any
echo '<script type="text/javascript">'.$script.'</script>';
}
add_action('wp_head', 'inject_required_scripts');
And then in your page or template, use it like
<?php
/* Template Name: coolstuff */
require_script(<<<JS
jQuery(function(){jQuery('div').wrap('<blink/>')});
JS
);
require_script(<<<JS
jQuery(function(){jQuery('p,span,a').html('Internet is cool')});
JS
);
get_header();
[...]
I made it for javascript because it's the most common use, but it can be easily adapted to any tag in the head, and either with inline code or by passing a href/src to an external URL.
This question isn't as simple as other posters have made it out to be (and as I originally believed it to be) - because the question isn't quite precise as it needs to be.
There's a difference between "space" and "whitespace". If you only mean spaces, then you should use a regex of " {2,}"
. If you mean any whitespace, that's a different matter. Should all whitespace be converted to spaces? What should happen to space at the start and end?
For the benchmark below, I've assumed that you only care about spaces, and you don't want to do anything to single spaces, even at the start and end.
Note that correctness is almost always more important than performance. The fact that the Split/Join solution removes any leading/trailing whitespace (even just single spaces) is incorrect as far as your specified requirements (which may be incomplete, of course).
The benchmark uses MiniBench.
using System;
using System.Text.RegularExpressions;
using MiniBench;
internal class Program
{
public static void Main(string[] args)
{
int size = int.Parse(args[0]);
int gapBetweenExtraSpaces = int.Parse(args[1]);
char[] chars = new char[size];
for (int i=0; i < size/2; i += 2)
{
// Make sure there actually *is* something to do
chars[i*2] = (i % gapBetweenExtraSpaces == 1) ? ' ' : 'x';
chars[i*2 + 1] = ' ';
}
// Just to make sure we don't have a \0 at the end
// for odd sizes
chars[chars.Length-1] = 'y';
string bigString = new string(chars);
// Assume that one form works :)
string normalized = NormalizeWithSplitAndJoin(bigString);
var suite = new TestSuite<string, string>("Normalize")
.Plus(NormalizeWithSplitAndJoin)
.Plus(NormalizeWithRegex)
.RunTests(bigString, normalized);
suite.Display(ResultColumns.All, suite.FindBest());
}
private static readonly Regex MultipleSpaces =
new Regex(@" {2,}", RegexOptions.Compiled);
static string NormalizeWithRegex(string input)
{
return MultipleSpaces.Replace(input, " ");
}
// Guessing as the post doesn't specify what to use
private static readonly char[] Whitespace =
new char[] { ' ' };
static string NormalizeWithSplitAndJoin(string input)
{
string[] split = input.Split
(Whitespace, StringSplitOptions.RemoveEmptyEntries);
return string.Join(" ", split);
}
}
A few test runs:
c:\Users\Jon\Test>test 1000 50
============ Normalize ============
NormalizeWithSplitAndJoin 1159091 0:30.258 22.93
NormalizeWithRegex 26378882 0:30.025 1.00
c:\Users\Jon\Test>test 1000 5
============ Normalize ============
NormalizeWithSplitAndJoin 947540 0:30.013 1.07
NormalizeWithRegex 1003862 0:29.610 1.00
c:\Users\Jon\Test>test 1000 1001
============ Normalize ============
NormalizeWithSplitAndJoin 1156299 0:29.898 21.99
NormalizeWithRegex 23243802 0:27.335 1.00
Here the first number is the number of iterations, the second is the time taken, and the third is a scaled score with 1.0 being the best.
That shows that in at least some cases (including this one) a regular expression can outperform the Split/Join solution, sometimes by a very significant margin.
However, if you change to an "all whitespace" requirement, then Split/Join does appear to win. As is so often the case, the devil is in the detail...
You can simply open the phpmyadmin page from your browser, then open any existing database -> go to Privileges tab, click on your root user and then a popup window will appear, you can set your password there.. Hope this Helps.
if you have the BluetoothDevice object you can create bond(pair) from api 19 onwards with bluetoothDevice.createBond()
method.
Edit
for callback, if the request was accepted or denied you will have to create a BroadcastReceiver with BluetoothDevice.ACTION_BOND_STATE_CHANGED
action
For Reactive Stack (Spring Webflux, Netty) you either need to exclude ReactiveUserDetailsServiceAutoConfiguration.class
@SpringBootApplication(exclude = {ReactiveUserDetailsServiceAutoConfiguration.class})
Or define ReactiveAuthenticationManager bean (there are different implementations, here is the JWT one example)
@Bean
public ReactiveJwtDecoder jwtDecoder() {
return new NimbusReactiveJwtDecoder(keySourceUrl);
}
@Bean
public ReactiveAuthenticationManager authenticationManager() {
return new JwtReactiveAuthenticationManager(jwtDecoder());
}
I'm going to address another problem within the original question that no one else has. After recently converting from CommonJS to ESM in my own NodeJS project, I've seen very little discussion about the fact that you cannot place imports wherever you want, like you could with require. My project is working great with imports now, but when I use the code in the question, I first get an error for not having a named function. After naming the function, I receive the following...
import express from 'express'
^^^^^^^
SyntaxError: Unexpected identifier
at Loader.moduleStrategy (internal/modules/esm/translators.js:88:18)
You cannot place imports inside functions like you could require. They have to be placed at the top of the file, outside code blocks. I wasted quite a bit of time on this issue myself.
So while all of the above answers are great at helping you get imports to work in your project, none address the fact that the code in the original question cannot work as written.
I know there are already many similar answers here, and mine is not much different, but I will post it anyway because it deals with a specific case/issue.
When dealing with the facebook Graph API
in PHP
you sometimes get an error, but immediately re-trying the same thing will give a positive result (for various magical Internet reasons that are beyond the scope of this question). In this case there is no need to fix any error, but to simply try again because there was some kind of "facebook error".
This code is used immediately after creating a facebook session:
//try more than once because sometimes "facebook error"
$attempt = 3;
while($attempt-- > 0)
{
// To validate the session:
try
{
$facebook_session->validate();
$attempt = 0;
}
catch (Facebook\FacebookRequestException $ex)
{
// Session not valid, Graph API returned an exception with the reason.
if($attempt <= 0){ echo $ex->getMessage(); }
}
catch (\Exception $ex)
{
// Graph API returned info, but it may mismatch the current app or have expired.
if($attempt <= 0){ echo $ex->getMessage(); }
}
}
Also, by having the for
loop count down to zero ($attempt--
) it makes it pretty easy to change the number of attempts in the future.
I had the same error when running lib.exe from cmd on Windows with a long argument list. apparently cmd.exe has max line length of about 8K characters, which resulted that the filenames at the end of this threshold got changed, thus resulting in bad filename error. my solution was to trim the line. I removed all paths from filenames and added single path using /LIBPATH option. for example:
/LIBPATH:absolute_path /OUT:outfilename filename1.obj filename2.obj ... filenameN.obj
Use below code to get all attributes with details
global $wpdb;
$attribute_taxonomies = $wpdb->get_results( "SELECT * FROM " . $wpdb->prefix . "woocommerce_attribute_taxonomies WHERE attribute_name != '' ORDER BY attribute_name ASC;" );
set_transient( 'wc_attribute_taxonomies', $attribute_taxonomies );
$attribute_taxonomies = array_filter( $attribute_taxonomies ) ;
prin_r($attribute_taxonomies);
Create a (local) repository and use yum
to have it resolve the dependencies for you.
The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos.
Summarized and further minimized (not ideal, but quickest):
/home/user/repo
.Fix some ownership and filesystem permissions:
# chown -R root.root /home/user/repo
Install the createrepo
package if not installed yet, and run
# createrepo /home/user/repo
# chmod -R o-w+r /home/user/repo
Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo
containing
[local]
name=My Awesome Repo
baseurl=file:///home/user/repo
enabled=1
gpgcheck=0
Install your package using
# yum install packagename
var inputs = document.getElementsByTagName('input');
for (var i = 0; i < inputs.length; ++i) {
// ...
}
If you don't care about the path to the executable file -
ldd `which <executable>` # back quotes, not single quotes
You will need to first, examine the class, next, examine the bytecode for functions, then, copy the bytecode, and finally, use the __code__.co_varnames
. This is tricky because some classes create their methods using constructors like those in the types
module. I will provide code for it on GitHub.
You should really make a difference between:
There are many scenarios where those 2 values are mismatching such as:
In most cases you would want to use the interface orientation and you can get it via the window:
private var windowInterfaceOrientation: UIInterfaceOrientation? {
return UIApplication.shared.windows.first?.windowScene?.interfaceOrientation
}
In case you also want to support < iOS 13 (such as iOS 12) you would do the following:
private var windowInterfaceOrientation: UIInterfaceOrientation? {
if #available(iOS 13.0, *) {
return UIApplication.shared.windows.first?.windowScene?.interfaceOrientation
} else {
return UIApplication.shared.statusBarOrientation
}
}
Now you need to define where to react to the window interface orientation change. There are multiple ways to do that but the optimal solution is to do it within
willTransition(to newCollection: UITraitCollection
.
This inherited UIViewController method which can be overridden will be trigger every time the interface orientation will be change. Consequently you can do all your modifications in the latter.
Here is a solution example:
class ViewController: UIViewController {
override func willTransition(to newCollection: UITraitCollection, with coordinator: UIViewControllerTransitionCoordinator) {
super.willTransition(to: newCollection, with: coordinator)
coordinator.animate(alongsideTransition: { (context) in
guard let windowInterfaceOrientation = self.windowInterfaceOrientation else { return }
if windowInterfaceOrientation.isLandscape {
// activate landscape changes
} else {
// activate portrait changes
}
})
}
private var windowInterfaceOrientation: UIInterfaceOrientation? {
return UIApplication.shared.windows.first?.windowScene?.interfaceOrientation
}
}
By implementing this method you'll then be able to react to any change of orientation to your interface. But keep in mind that it won't be triggered at the opening of the app so you will also have to manually update your interface in viewWillAppear()
.
I've created a sample project which underlines the difference between device orientation and interface orientation. Additionally it will help you to understand the different behavior depending on which lifecycle step you decide to update your UI.
Feel free to clone and run the following repository: https://github.com/wjosset/ReactToOrientation
NO, you can't do it other way than so.
The middle one writes to the pipeline. Write-Host
and Out-Host
writes to the console. 'echo' is an alias for Write-Output
which writes to the pipeline as well. The best way to write to the console would be using the Write-Host
cmdlet.
When an object is written to the pipeline it can be consumed by other commands in the chain. For example:
"hello world" | Do-Something
but this won't work since Write-Host
writes to the console, not to the pipeline (Do-Something will not get the string):
Write-Host "hello world" | Do-Something
You are incorrectly using the super
and this
keyword. Here is an example of how they work:
class Animal {
public name: string;
constructor(name: string) {
this.name = name;
}
move(meters: number) {
console.log(this.name + " moved " + meters + "m.");
}
}
class Horse extends Animal {
move() {
console.log(super.name + " is Galloping...");
console.log(this.name + " is Galloping...");
super.move(45);
}
}
var tom: Animal = new Horse("Tommy the Palomino");
Animal.prototype.name = 'horseee';
tom.move(34);
// Outputs:
// horseee is Galloping...
// Tommy the Palomino is Galloping...
// Tommy the Palomino moved 45m.
Explanation:
super.name
, this refers to the prototype chain of the object tom
, not the object tom
self. Because we have added a name property on the Animal.prototype
, horseee will be outputted.this.name
, the this
keyword refers to the the tom object itself. move
method of the Animal base class. This method is called from Horse class move method with the syntax super.move(45);
. Using the super
keyword in this context will look for a move
method on the prototype chain which is found on the Animal prototype.Remember TS still uses prototypes under the hood and the class
and extends
keywords are just syntactic sugar over prototypical inheritance.
Your docker host exposes an adapter to all the containers. Assuming you are on recent ubuntu, you can run
ip addr
This will give you a list of network adapters, one of which will look something like
3: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 22:23:6b:28:6b:e0 brd ff:ff:ff:ff:ff:ff
inet 172.17.42.1/16 scope global docker0
inet6 fe80::a402:65ff:fe86:bba6/64 scope link
valid_lft forever preferred_lft forever
You will need to tell rabbit/mongo to bind to that IP (172.17.42.1). After that, you should be able to open connections to 172.17.42.1 from within your containers.
You need to have an implementation of IValueConverter interface that converts the uri into an image. Your Convert implementation of IValueConverter will look something like this:
BitmapImage image = new BitmapImage();
image.BeginInit();
image.UriSource = new Uri(value as string);
image.EndInit();
return image;
Then you will need to use the converter in your binding:
<Image>
<Image.Source>
<BitmapImage UriSource="{Binding Path=ImagePath, Converter=...}" />
</Image.Source>
</Image>
You can use the Class XmlAttribute.
Eg:
XmlAttribute attr = xmlDoc.CreateAttribute("userName");
attr.Value = "Tushar";
node.Attributes.Append(attr);
java.util.Date
is independent of the timezone. When you print cal_Two
though the Calendar
instance has got its timezone set to UTC
, cal_Two.getTime()
would return a Date
instance which does not have a timezone (and is always in the default timezone)
Calendar cal_Two = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
System.out.println(cal_Two.getTime());
System.out.println(cal_Two.getTimeZone());
Output:
Sat Jan 25 16:40:28 IST 2014
sun.util.calendar.ZoneInfo[id="UTC",offset=0,dstSavings=0,useDaylight=false,transitions=0,lastRule=null]
From the javadoc of TimeZone.setDefault()
Sets the TimeZone that is returned by the getDefault method. If zone is null, reset the default to the value it had originally when the VM first started.
Hence, moving your setDefault()
before cal_Two
is instantiated you would get the correct result.
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
Calendar cal_Two = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
System.out.println(cal_Two.getTime());
Calendar cal_Three = Calendar.getInstance();
System.out.println(cal_Three.getTime());
Output:
Sat Jan 25 11:15:29 UTC 2014
Sat Jan 25 11:15:29 UTC 2014
If you want to compare the speed of your std::map
and std::unordered_map
implementations, you could use Google's sparsehash project which has a time_hash_map program to time them. For example, with gcc 4.4.2 on an x86_64 Linux system
$ ./time_hash_map
TR1 UNORDERED_MAP (4 byte objects, 10000000 iterations):
map_grow 126.1 ns (27427396 hashes, 40000000 copies) 290.9 MB
map_predict/grow 67.4 ns (10000000 hashes, 40000000 copies) 232.8 MB
map_replace 22.3 ns (37427396 hashes, 40000000 copies)
map_fetch 16.3 ns (37427396 hashes, 40000000 copies)
map_fetch_empty 9.8 ns (10000000 hashes, 0 copies)
map_remove 49.1 ns (37427396 hashes, 40000000 copies)
map_toggle 86.1 ns (20000000 hashes, 40000000 copies)
STANDARD MAP (4 byte objects, 10000000 iterations):
map_grow 225.3 ns ( 0 hashes, 20000000 copies) 462.4 MB
map_predict/grow 225.1 ns ( 0 hashes, 20000000 copies) 462.6 MB
map_replace 151.2 ns ( 0 hashes, 20000000 copies)
map_fetch 156.0 ns ( 0 hashes, 20000000 copies)
map_fetch_empty 1.4 ns ( 0 hashes, 0 copies)
map_remove 141.0 ns ( 0 hashes, 20000000 copies)
map_toggle 67.3 ns ( 0 hashes, 20000000 copies)
I am convinced that it is impossible now. It was, though.
IE7’s implementation of getClientRects did exactly what I want. Open this page in IE8, try refreshing it varying window width, and see how number of lines in the first element changes accordingly. Here’s the key lines of the javascript from that page:
var rects = elementList[i].getClientRects();
var p = document.createElement('p');
p.appendChild(document.createTextNode('\'' + elementList[i].tagName + '\' element has ' + rects.length + ' line(s).'));
Unfortunately for me, Firefox always returns one client rectangle per element, and IE8 does the same now. (Martin Honnen’s page works today because IE renders it in IE compat view; press F12 in IE8 to play with different modes.)
This is sad. It looks like once again Firefox’s literal but worthless implementation of the spec won over Microsoft’s useful one. Or do I miss a situation where new getClientRects may help a developer?
In eclipse go to the DDMS perspective and in the devices tab click the process you want to kill under the device you want to kill it on. You then just need to press the stop button and it should kill the process.
I'm not sure how you'd do this from the command line tool but there must be a way. Maybe you do it through the adb shell...
Try
new Date().toLocaleTimeString().replace("/.*(\d{2}:\d{2}:\d{2}).*/", "$1");
Or
new Date().toTimeString().split(" ")[0];
Or this:
$(document).ready(function(){
$(".header").click(function(){
$(this).children(".children").toggle();
});
$(".header a").click(function(e) {
return false;
});
});
Xcode 10 - problem resolved by removing duplicated certificate com.apple.kerberos.kdc with key. Open KeychainAccess.app -> system -> delete com.apple.kerberos.kdc with key
import pandas as pd
import os
df = pd.read_csv("e:\\data science\\kaggle assign\\monthly sales\\Pandas-Data-Science-Tasks-master\\SalesAnalysis\\Sales_Data\\Sales_April_2019.csv")
files = [file for file in os.listdir("e:\\data science\\kaggle assign\\monthly sales\\Pandas-Data-Science-Tasks-master\\SalesAnalysis\\Sales_Data")
for file in files:
print(file)
all_data = pd.DataFrame()
for file in files:
df=pd.read_csv("e:\\data science\\kaggle assign\\monthly sales\\Pandas-Data-Science-Tasks-master\\SalesAnalysis\\Sales_Data\\"+file)
all_data = pd.concat([all_data,df])
all_data.head()
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:strSomeTextWithLinks];
NSDictionary *linkAttributes = @{NSForegroundColorAttributeName: [UIColor redColor],
NSUnderlineColorAttributeName: [UIColor blueColor],
NSUnderlineStyleAttributeName: @(NSUnderlinePatternSolid)};
customTextView.linkTextAttributes = linkAttributes; // customizes the appearance of links
textView.attributedText = attributedString;
Here's how I do it (in Java):
private static long ONE_SECOND = 1000000L * 1000L; //1 second is 1000ms which is 1000000ns
LinkedList<Long> frames = new LinkedList<>(); //List of frames within 1 second
public int calcFPS(){
long time = System.nanoTime(); //Current time in nano seconds
frames.add(time); //Add this frame to the list
while(true){
long f = frames.getFirst(); //Look at the first element in frames
if(time - f > ONE_SECOND){ //If it was more than 1 second ago
frames.remove(); //Remove it from the list of frames
} else break;
/*If it was within 1 second we know that all other frames in the list
* are also within 1 second
*/
}
return frames.size(); //Return the size of the list
}
I had troubles compiling all the most commonly mentioned cryptography libraries on my Windows 7 system and for Python 3.5.
This is the solution that finally worked for me.
from cryptography.fernet import Fernet
key = Fernet.generate_key() #this is your "password"
cipher_suite = Fernet(key)
encoded_text = cipher_suite.encrypt(b"Hello stackoverflow!")
decoded_text = cipher_suite.decrypt(encoded_text)
git
isn't a centralized scm like svn
so you have two options:
It may be annoying to implement for many different platforms (GitHub, GitLab, BitBucket, SourceForge, Launchpad, Gogs, ...) but fetching data is pretty slow (we talk about seconds) - no solution is perfect.
An example with fetching into a temporary directory:
git clone https://github.com/rust-lang/rust.git -b master --depth 3 --bare --filter=blob:none -q .
git log -n 3 --no-decorate --format=oneline
Alternatively:
git init --bare -q
git remote add -t master origin https://github.com/rust-lang/rust.git
git fetch --depth 3 --filter=blob:none -q
git log -n 3 --no-decorate --format=oneline origin/master
Both are optimized for performance by restricting to exactly 3 commits of one branch into a minimal local copy without file contents and preventing console outputs. Though opening a connection and calculating deltas during fetch takes some time.
An example with GitHub:
GET https://api.github.com/repos/rust-lang/rust/commits?sha=master&per_page=3
An example with GitLab:
GET https://gitlab.com/api/v4/projects/inkscape%2Finkscape/repository/commits?ref_name=master&per_page=3
Both are really fast but have different interfaces (like every platform).
Disclaimer: Rust and Inkscape were chosen because of their size and safety to stay, no advertisement
Because our app has to work across multiple RDBMSs, we store our schema definition in version control using the database-neutral Torque format (XML). We also version-control the reference data for our database in XML format as follows (where "Relationship" is one of the reference tables):
<Relationship RelationshipID="1" InternalName="Manager"/>
<Relationship RelationshipID="2" InternalName="Delegate"/>
etc.
We then use home-grown tools to generate the schema upgrade and reference data upgrade scripts that are required to go from version X of the database to version X + 1.
In your case IF you want to go with foreach loop than
$sum = 0;
foreach($group as $key => $value) {
$sum += $value;
}
echo $sum;
But if you want to go with direct sum of array than look on below for your solution :
$total = array_sum($group);
for only sum of array looping is time wasting.
http://php.net/manual/en/function.array-sum.php
array_sum — Calculate the sum of values in an array
<?php
$a = array(2, 4, 6, 8);
echo "sum(a) = " . array_sum($a) . "\n";
$b = array("a" => 1.2, "b" => 2.3, "c" => 3.4);
echo "sum(b) = " . array_sum($b) . "\n";
?>
The above example will output:
sum(a) = 20
sum(b) = 6.9
You can try:
ps | grep `echo $$` | awk '{ print $4 }'
Or:
echo $SHELL