Just a minor addition to what has already been said.
values.index(min(values))
seems to return the smallest index of min. The following gets the largest index:
values.reverse()
(values.index(min(values)) + len(values) - 1) % len(values)
values.reverse()
The last line can be left out if the side effect of reversing in place does not matter.
To iterate through all occurrences
indices = []
i = -1
for _ in range(values.count(min(values))):
i = values[i + 1:].index(min(values)) + i + 1
indices.append(i)
For the sake of brevity. It is probably a better idea to cache min(values), values.count(min)
outside the loop.
In python3, there is a bytes()
method that is in the same format as encode()
.
str1 = b'hello world'
str2 = bytes("hello world", encoding="UTF-8")
print(str1 == str2) # Returns True
I didn't read anything about this in the docs, but perhaps I wasn't looking in the right place. This way you can explicitly turn strings into byte streams and have it more readable than using encode
and decode
, and without having to prefex b
in front of quotes.
You can achieve this by deploying something at a higher layer than namespaced Services, like the service loadbalancer https://github.com/kubernetes/contrib/tree/master/service-loadbalancer. If you want to restrict it to a single namespace, use "--namespace=ns" argument (it defaults to all namespaces: https://github.com/kubernetes/contrib/blob/master/service-loadbalancer/service_loadbalancer.go#L715). This works well for L7, but is a little messy for L4.
Try this
<select class="form-control" name="country_code" value="{{ old('country_code') }}">
@foreach (\App\SystemCountry::orderBy('country')->get() as $country)
<option value="{{ $country->country_code }}"
@if ($country->country_code == "LKA")
{{'selected="selected"'}}
@endif
>
{{ $country->country }}
</option>
@endforeach
</select>
Try this step,
1)Open PowerShell
2)Write this command:
sqlcmd -S PCNAME\SQLEXPRESS -U user -P password -d databanse_name -i C:\script.sql
3)Press Return
:-)
Silly workaround that always works.
$state.go("otherState").then(function(){
$state.go("wantedState")
});
I received the 'exited with code 4' error when the xcopy command tried to overwrite a readonly file. I managed to solve this problem by adding /R to the xcopy command. The /R indicates read only files should be overwritten
old command:
XCOPY /E /Y "$(ProjectDir)source file" "destination"
new command
XCOPY /E /Y /R "$(ProjectDir)source file" "destination"
You will need to subscribe to your observables:
this.CountryService.GetCountries()
.subscribe(countries => {
this.myGridOptions.rowData = countries as CountryData[]
})
And, in your html, wherever needed, you can pass the async
pipe to it.
Another good use for *args
and **kwargs
: you can define generic "catch all" functions, which is great for decorators where you return such a wrapper instead of the original function.
An example with a trivial caching decorator:
import pickle, functools
def cache(f):
_cache = {}
def wrapper(*args, **kwargs):
key = pickle.dumps((args, kwargs))
if key not in _cache:
_cache[key] = f(*args, **kwargs) # call the wrapped function, save in cache
return _cache[key] # read value from cache
functools.update_wrapper(wrapper, f) # update wrapper's metadata
return wrapper
import time
@cache
def foo(n):
time.sleep(2)
return n*2
foo(10) # first call with parameter 10, sleeps
foo(10) # returns immediately
Just use .get(0) to grab the native element, and get its outerHTML property:
var $elem = $('<a href="#">Some element</a>');
console.log("HTML is: " + $elem.get(0).outerHTML);
I use it like this in asp.net core 3.1
var url =Request.Scheme+"://"+ Request.Host.Value;
On the one hand, throwing exceptions is inherently expensive, because the stack has to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only once instead of twice.
If you really want to just return null
if the key doesn't exist, the above code can be simplified further:
obj item;
dict.TryGetValue(name, out item);
return item;
This works, because TryGetValue
sets item
to null
if no key with name
exists.
You can use GNU date command as shown below
Getting Date In the Past
To get yesterday and earlier day in the past use string day ago:
date --date='yesterday'
date --date='1 day ago'
date --date='10 day ago'
date --date='10 week ago'
date --date='10 month ago'
date --date='10 year ago'
Getting Date In the Future
To get tomorrow and day after tomorrow (tomorrow+N) use day word to get date in the future as follows:
date --date='tomorrow'
date --date='1 day'
date --date='10 day'
date --date='10 week'
date --date='10 month'
date --date='10 year'
I use this class for Audio play. If your audio location is raw folder.
Call method for play:
new AudioPlayer().play(mContext, getResources().getIdentifier(alphabetItemList.get(mPosition)
.getDetail().get(0).getAudio(),"raw", getPackageName()));
AudioPlayer.java class:
public class AudioPlayer {
private MediaPlayer mMediaPlayer;
public void stop() {
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
// mothod for raw folder (R.raw.fileName)
public void play(Context context, int rid){
stop();
mMediaPlayer = MediaPlayer.create(context, rid);
mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
stop();
}
});
mMediaPlayer.start();
}
// mothod for other folder
public void play(Context context, String name) {
stop();
//mMediaPlayer = MediaPlayer.create(c, rid);
mMediaPlayer = MediaPlayer.create(context, Uri.parse("android.resource://"+ context.getPackageName()+"/your_file/"+name+".mp3"));
mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mediaPlayer) {
stop();
}
});
mMediaPlayer.start();
}
}
sigma = sum(y*(x - mean)**2)
should be
sigma = np.sqrt(sum(y*(x - mean)**2))
The aim of having the kernel support different ones is that you can try them out without a reboot; you can then run test workloads through the sytsem, measure performance, and then make that the standard one for your app.
On modern server-grade hardware, only the noop one appears to be at all useful. The others seem slower in my tests.
Is the following acceptable:
$('#myTableRow').remove();
Suggest replacing this:
char str[1024];
char tmp = '.';
strcat(str, tmp);
with this:
char str[1024] = {'\0'}; // set array to initial all NUL bytes
char tmp[] = "."; // create a string for the call to strcat()
strcat(str, tmp); //
I have no idea why, maybe it is because I develop in Kotlin but to fix this error
I finally have to create a class that extends MultiDexApplication
like this:
class MyApplication : MultiDexApplication() {
}
and in my Manifest.xml
I have to set
<application
...
android:name=".MyApplication">
to not confuse anyone, I also do:
multiDexEnabled true
implementation 'com.android.support:multidex:1.0.3'
for androidx, this also works for me:
implementation 'androidx.multidex:multidex:2.0.0'
...
<application android:name="android.support.multidex.MultiDexApplication">
does not work for me
I have found a solution that works even with "Select2" plugin:
function functionName() {
$('html').on('change', 'select.some-class', function() {
var newValue = $(this).val();
var oldValue = $(this).attr('data-val');
if ( $.isNumeric(oldValue) ) { // or another condition
// do something
}
$(this).attr('data-val', newValue);
});
$('select.some-class').trigger('change');
}
Another way:
export default class Archive extends React.Component {
saySomething = (something) => {
console.log(something);
}
handleClick = (e) => {
this.saySomething("element clicked");
}
componentDidMount() {
this.saySomething("component did mount");
}
render() {
return <button onClick={this.handleClick} value="Click me" />;
}
}
In this format you don't need to use bind
TextView textv = (TextView) findViewById(R.id.textview1);
textv.setShadowLayer(1, 0, 0, Color.BLACK);
As json.loads
simply returns a dict, you can use the operators that apply to dicts:
>>> jdata = json.load('{"uri": "http:", "foo", "bar"}')
>>> 'uri' in jdata # Check if 'uri' is in jdata's keys
True
>>> jdata['uri'] # Will return the value belonging to the key 'uri'
u'http:'
Edit: to give an idea regarding how to loop through the data, consider the following example:
>>> import json
>>> jdata = json.loads(open ('bookmarks.json').read())
>>> for c in jdata['children'][0]['children']:
... print 'Title: {}, URI: {}'.format(c.get('title', 'No title'),
c.get('uri', 'No uri'))
...
Title: Recently Bookmarked, URI: place:folder=BOOKMARKS_MENU(...)
Title: Recent Tags, URI: place:sort=14&type=6&maxResults=10&queryType=1
Title: , URI: No uri
Title: Mozilla Firefox, URI: No uri
Inspecting the jdata
data structure will allow you to navigate it as you wish. The pprint
call you already have is a good starting point for this.
Edit2: Another attempt. This gets the file you mentioned in a list of dictionaries. With this, I think you should be able to adapt it to your needs.
>>> def build_structure(data, d=[]):
... if 'children' in data:
... for c in data['children']:
... d.append({'title': c.get('title', 'No title'),
... 'uri': c.get('uri', None)})
... build_structure(c, d)
... return d
...
>>> pprint.pprint(build_structure(jdata))
[{'title': u'Bookmarks Menu', 'uri': None},
{'title': u'Recently Bookmarked',
'uri': u'place:folder=BOOKMARKS_MENU&folder=UNFILED_BOOKMARKS&(...)'},
{'title': u'Recent Tags',
'uri': u'place:sort=14&type=6&maxResults=10&queryType=1'},
{'title': u'', 'uri': None},
{'title': u'Mozilla Firefox', 'uri': None},
{'title': u'Help and Tutorials',
'uri': u'http://www.mozilla.com/en-US/firefox/help/'},
(...)
}]
To then "search through it for u'uri': u'http:'
", do something like this:
for c in build_structure(jdata):
if c['uri'].startswith('http:'):
print 'Started with http'
Just adding to the correct answers here for .net
webapi2
users.
If you are using cors
because your client site is served from a different address as your webapi
then you need to also include SupportsCredentials=true
on the server side configuration.
// Access-Control-Allow-Origin
// https://docs.microsoft.com/en-us/aspnet/web-api/overview/security/enabling-cross-origin-requests-in-web-api
var cors = new EnableCorsAttribute(Settings.CORSSites,"*", "*");
cors.SupportsCredentials = true;
config.EnableCors(cors);
You can compare datetime.datetime objects directly
E.g:
>>> a
datetime.datetime(2009, 12, 2, 10, 24, 34, 198130)
>>> b
datetime.datetime(2009, 12, 2, 10, 24, 36, 910128)
>>> a < b
True
>>> a > b
False
>>> a == a
True
>>> b == b
True
>>>
"There should be one -- and preferably only one -- obvious way to do it." So let me add another one. This one is more like "install from sources" for Debian/Ubuntu, from https://github.com/yaml/pyyaml
Install the libYAML and it's headers:
sudo apt-get install libyaml-dev
Download the pyyaml sources:
wget http://pyyaml.org/download/pyyaml/PyYAML-3.13.tar.gz
Install from sources, (don't forget to activate your venv):
. your/env/bin/activate
tar xzf PyYAML-3.13.tar.gz
cd PyYAML-3.13.tar.gz
(env)$ python setup.py install
(env)$ python setup.py test
.split method will work, but it uses regular expressions. In this example it would be (to steal from Cristian):
String[] separated = CurrentString.split("\\:");
separated[0]; // this will contain "Fruit"
separated[1]; // this will contain " they taste good"
Also, this came from: Android split not working correctly
You can try _.isUndefined
<% if (!_.isUndefined(date)) { %><span class="date"><%= date %></span><% } %>
When you go to a website, your browser sends a request to the web server including a lot of information. This information might look something like this:
GET /questions/18070154/get-operating-system-info-with-php HTTP/1.1
Host: stackoverflow.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate,sdch
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Cookie: <cookie data removed>
Pragma: no-cache
Cache-Control: no-cache
These information are all used by the web server to determine how to handle the request; the preferred language and whether compression is allowed.
In PHP, all this information is stored in the $_SERVER
array. To see what you're sending to a web server, create a new PHP file and print out everything from the array.
<pre><?php print_r($_SERVER); ?></pre>
This will give you a nice representation of everything that's being sent to the server, from where you can extract the desired information, e.g. $_SERVER['HTTP_USER_AGENT']
to get the operating system and browser.
I don't have a reference for it handy, but script tags are processed in order, and so if you put your $(document).ready(function1)
in a script tag after the script tags that define function1, etc., you should be good to go.
<script type='text/javascript' src='...'></script>
<script type='text/javascript' src='...'></script>
<script type='text/javascript'>
$(document).ready(function1);
</script>
Of course, another approach would be to ensure that you're using only one script tag, in total, by combining files as part of your build process. (Unless you're loading the other ones from a CDN somewhere.) That will also help improve the perceived speed of your page.
EDIT: Just realized that I didn't actually answer your question: I don't think there's a cross-browser event that's fired, no. There is if you work hard enough, see below. You can test for symbols and use setTimeout to reschedule:
<script type='text/javascript'>
function fireWhenReady() {
if (typeof function1 != 'undefined') {
function1();
}
else {
setTimeout(fireWhenReady, 100);
}
}
$(document).ready(fireWhenReady);
</script>
...but you shouldn't have to do that if you get your script tag order correct.
Update: You can get load notifications for script
elements you add to the page dynamically if you like. To get broad browser support, you have to do two different things, but as a combined technique this works:
function loadScript(path, callback) {
var done = false;
var scr = document.createElement('script');
scr.onload = handleLoad;
scr.onreadystatechange = handleReadyStateChange;
scr.onerror = handleError;
scr.src = path;
document.body.appendChild(scr);
function handleLoad() {
if (!done) {
done = true;
callback(path, "ok");
}
}
function handleReadyStateChange() {
var state;
if (!done) {
state = scr.readyState;
if (state === "complete") {
handleLoad();
}
}
}
function handleError() {
if (!done) {
done = true;
callback(path, "error");
}
}
}
In my experience, error notification (onerror
) is not 100% cross-browser reliable. Also note that some browsers will do both mechanisms, hence the done
variable to avoid duplicate notifications.
The short answer is adb is used via command line. find adb.exe on your machine, add it to the path and use it from cmd on windows.
"adb devices" will give you a list of devices adb can talk to. your emulation platform should be on the list. just type adb to get a list of commands and what they do.
I've written the tests that compare using regular expressions (as per other answers) against not using regular expressions. Tests done on a quad core OSX10.8 machine running Java 1.6
Interestingly using regular expressions turns out to be about 5-10 times slower than manually iterating over a string. Furthermore the isAlphanumeric2()
function is marginally faster than isAlphanumeric()
. One supports the case where extended Unicode numbers are allowed, and the other is for when only standard ASCII numbers are allowed.
public class QuickTest extends TestCase {
private final int reps = 1000000;
public void testRegexp() {
for(int i = 0; i < reps; i++)
("ab4r3rgf"+i).matches("[a-zA-Z0-9]");
}
public void testIsAlphanumeric() {
for(int i = 0; i < reps; i++)
isAlphanumeric("ab4r3rgf"+i);
}
public void testIsAlphanumeric2() {
for(int i = 0; i < reps; i++)
isAlphanumeric2("ab4r3rgf"+i);
}
public boolean isAlphanumeric(String str) {
for (int i=0; i<str.length(); i++) {
char c = str.charAt(i);
if (!Character.isLetterOrDigit(c))
return false;
}
return true;
}
public boolean isAlphanumeric2(String str) {
for (int i=0; i<str.length(); i++) {
char c = str.charAt(i);
if (c < 0x30 || (c >= 0x3a && c <= 0x40) || (c > 0x5a && c <= 0x60) || c > 0x7a)
return false;
}
return true;
}
}
A possible solution:
dir|find "bytes free"
a more "advanced solution", for Windows Xp and beyond:
wmic /node:"%COMPUTERNAME%" LogicalDisk Where DriveType="3" Get DeviceID,FreeSpace|find /I "c:"
The Windows Management Instrumentation Command-line (WMIC) tool (Wmic.exe) can gather vast amounts of information about about a Windows Server 2003 as well as Windows XP or Vista. The tool accesses the underlying hardware by using Windows Management Instrumentation (WMI). Not for Windows 2000.
As noted by Alexander Stohr in the comments:
dir
' will still do the job),dir
' is locale dependent.You can also use START WITH
to start a sequence from a particular point, although setval accomplishes the same thing, as in Euler's answer, eg,
SELECT MAX(a) + 1 FROM foo;
CREATE SEQUENCE foo_a_seq START WITH 12345; -- replace 12345 with max above
ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq');
Maybe, you can use the array syntax of javascript :
var finalObj =[json1 , json2]
if (data[j] =='B'){
row.cells[j].title="Basic";
}
In Java script conditionally adding title by comparing value of Data. The Table is generated by Java script dynamically.
And to insert blank line between tables you can use these both methods
table.setSpacingBefore();
table.setSpacingAfter();
Use mutple backgorund on the element, and use a linear-gradient as your color overlay by declaring both start and end color-stops as the same value.
Note that layers in a multi-background declaration are read much like they are rendered, top-to-bottom, so put your overlay first, then your bg image:
#header {
background:
linear-gradient(to bottom, rgba(100, 100, 0, 0.5), rgba(100, 100, 0, 0.5)) cover,
url(../img/bg.jpg) 0 0 no-repeat fixed;
height: 100%;
overflow: hidden;
color: #FFFFFF
}
The scaling on your example figure is a bit strange but you can force it by plotting the index of each x-value and then setting the ticks to the data points:
import matplotlib.pyplot as plt
x = [0.00001,0.001,0.01,0.1,0.5,1,5]
# create an index for each tick position
xi = list(range(len(x)))
y = [0.945,0.885,0.893,0.9,0.996,1.25,1.19]
plt.ylim(0.8,1.4)
# plot the index for the x-values
plt.plot(xi, y, marker='o', linestyle='--', color='r', label='Square')
plt.xlabel('x')
plt.ylabel('y')
plt.xticks(xi, x)
plt.title('compare')
plt.legend()
plt.show()
CATALINA_HOME
vs CATALINA_BASE
If you're running multiple instances, then you need both variables, otherwise only CATALINA_HOME
.
In other words: CATALINA_HOME
is required and CATALINA_BASE
is optional.
CATALINA_HOME
represents the root of your Tomcat installation.
Optionally, Tomcat may be configured for multiple instances by defining
$CATALINA_BASE
for each instance. If multiple instances are not configured,$CATALINA_BASE
is the same as$CATALINA_HOME
.
See: Apache Tomcat 7 - Introduction
Running with separate CATALINA_HOME
and CATALINA_BASE
is documented in RUNNING.txt which say:
The
CATALINA_HOME
andCATALINA_BASE
environment variables are used to specify the location of Apache Tomcat and the location of its active configuration, respectively.You cannot configure
CATALINA_HOME
andCATALINA_BASE
variables in thesetenv
script, because they are used to find that file.
For example:
(4.1) Tomcat can be started by executing one of the following commands:
%CATALINA_HOME%\bin\startup.bat (Windows) $CATALINA_HOME/bin/startup.sh (Unix)
or
%CATALINA_HOME%\bin\catalina.bat start (Windows) $CATALINA_HOME/bin/catalina.sh start (Unix)
In many circumstances, it is desirable to have a single copy of a Tomcat binary distribution shared among multiple users on the same server. To make this possible, you can set the
CATALINA_BASE
environment variable to the directory that contains the files for your 'personal' Tomcat instance.When running with a separate
CATALINA_HOME
andCATALINA_BASE
, the files and directories are split as following:In
CATALINA_BASE
:
bin
- Only: setenv.sh (*nix) or setenv.bat (Windows), tomcat-juli.jarconf
- Server configuration files (including server.xml)lib
- Libraries and classes, as explained belowlogs
- Log and output fileswebapps
- Automatically loaded web applicationswork
- Temporary working directories for web applicationstemp
- Directory used by the JVM for temporary files>In
CATALINA_HOME
:
bin
- Startup and shutdown scriptslib
- Libraries and classes, as explained belowendorsed
- Libraries that override standard "Endorsed Standards". By default it's absent.
The easiest way to check what's your CATALINA_BASE
and CATALINA_HOME
is by running startup.sh
, for example:
$ /usr/share/tomcat7/bin/startup.sh
Using CATALINA_BASE: /usr/share/tomcat7
Using CATALINA_HOME: /usr/share/tomcat7
You may also check where the Tomcat files are installed, by dpkg
tool as below (Debian/Ubuntu):
dpkg -L tomcat7-common
I have struggled to get a query to return fields from Table 1 that do not exist in Table 2 and tried most of the answers above until I found a very simple way to obtain the results that I wanted.
I set the join properties between table 1 and table 2 to the third setting (3) (All fields from Table 1 and only those records from Table 2 where the joined fields are equal) and placed a Is Null in the criteria field of the query in Table 2 in the field that I was testing for. It works perfectly.
Thanks to all above though.
You should read this getopts tutorial.
Example with -a
switch that requires an argument :
#!/bin/bash
while getopts ":a:" opt; do
case $opt in
a)
echo "-a was triggered, Parameter: $OPTARG" >&2
;;
\?)
echo "Invalid option: -$OPTARG" >&2
exit 1
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
Like greybot said(getopt
!= getopts
) :
The external command getopt(1) is never safe to use, unless you know it is GNU getopt, you call it in a GNU-specific way, and you ensure that GETOPT_COMPATIBLE is not in the environment. Use getopts (shell builtin) instead, or simply loop over the positional parameters.
For the current branch, here are two good choices:
% git rev-parse --abbrev-ref --symbolic-full-name @{u}
origin/mainline
or
% git for-each-ref --format='%(upstream:short)' $(git symbolic-ref -q HEAD)
origin/mainline
That answer is also here, to a slightly different question which was (wrongly) marked as a duplicate.
This solution was inspired by Rob McAfee.
However it doesn't need a loop and the result is a uniform distribution:
// Returns 1-5
var rnd5 = function(){
return parseInt(Math.random() * 5, 10) + 1;
}
// Helper
var lastEdge = 0;
// Returns 1-7
var rnd7 = function () {
var map = [
[ 1, 2, 3, 4, 5 ],
[ 6, 7, 1, 2, 3 ],
[ 4, 5, 6, 7, 1 ],
[ 2, 3, 4, 5, 6 ],
[ 7, 0, 0, 0, 0 ]
];
var result = map[rnd5() - 1][rnd5() - 1];
if (result > 0) {
return result;
}
lastEdge++;
if (lastEdge > 7 ) {
lastEdge = 1;
}
return lastEdge;
};
// Test the a uniform distribution
results = {}; for(i=0; i < 700000;i++) { var rand = rnd7(); results[rand] = results[rand] ? results[rand] + 1 : 1;}
console.log(results)
Result: [1: 99560, 2: 99932, 3: 100355, 4: 100262, 5: 99603, 6: 100062, 7: 100226]
This seems unnecessary, but VBA is a strange place. If you declare an array variable, then set it using Array()
then pass the variable into your function, VBA will be happy.
Sub test()
Dim fString As String
Dim arr() As Variant
arr = Array("foo", "bar")
fString = processArr(arr)
End Sub
Also your function processArr()
could be written as:
Function processArr(arr() As Variant) As String
processArr = Replace(Join(arr()), " ", "")
End Function
If you are into the whole brevity thing.
In Windows 7 I did this:
Done!
An adventage of use ExpectedException Rule (version 4.7) is that you can test exception message and not only the expected exception.
And using Matchers, you can test the part of message you are interested:
exception.expectMessage(containsString("income: -1000.0"));
It seems that you want a list structure with very fast removal and random access by index (not by key) times. An ArrayList
gives you the latter and a HashMap
or TreeMap
give you the former.
There is one structure in Apache Commons Collections that may be what you are looking for, the TreeList. The JavaDoc specifies that it is optimized for quick insertion and removal at any index in the list. If you also need generics though, this will not help you.
Left joins in LINQ are possible with the DefaultIfEmpty() method. I don't have the exact syntax for your case though...
Actually I think if you just change pets to pets.DefaultIfEmpty() in the query it might work...
EDIT: I really shouldn't answer things when its late...
You probably want an extra wrapper. use a div for the background and position it below your content..
http://jsfiddle.net/pixelass/42F2j/
HTML
<div id="background-image"></div>
<div id="content">
Here is the content at opacity 1
<img src="http://lorempixel.com/100/50/fashion/1/">
</div>
CSS
#background-image {
background-image: url(http://lorempixel.com/400/200/sports/1/);
opacity:0.4;
position:absolute;
top:0;
left:0;
height:200px;
width:400px;
z-index:0;
}
#content {
z-index:1;
position:relative;
}
Since List<> uses arrays internally, the basic performance should be the same. Two reasons, why the List might be slightly slower:
To check if it makes any difference for you, it's probably best adjust the posted timing functions to a list of the size you're planning to use and see how the results for your special case are.
This is the simplest way to do it. CSS only.
ul.list {_x000D_
width: 300px; _x000D_
}_x000D_
_x000D_
ul.list li{_x000D_
display:inline-block;_x000D_
width: 100px;_x000D_
}
_x000D_
<ul class="list">_x000D_
<li>A</li>_x000D_
<li>B</li>_x000D_
<li>C</li>_x000D_
<li>D</li>_x000D_
<li>E</li>_x000D_
</ul>
_x000D_
If you want to get the key name of myVar
object then you can use Object.keys()
for this purpose.
var result = Object.keys(myVar);
alert(result[0]) // result[0] alerts typeA
Java 8 solution (like this but a bit simpler):
public static List<String> partition(String string, int partSize) {
List<String> parts = IntStream.range(0, string.length() / partSize)
.mapToObj(i -> string.substring(i * partSize, (i + 1) * partSize))
.collect(toList());
if ((string.length() % partSize) != 0)
parts.add(string.substring(string.length() / partSize * partSize));
return parts;
}
UDP is slightly quicker in my experience, but not by much. The choice shouldn't be made on performance but on the message content and compression techniques.
If it's a protocol with message exchange, I'd suggest that the very slight performance hit you take with TCP is more than worth it. You're given a connection between two end points that will give you everything you need. Don't try and manufacture your own reliable two-way protocol on top of UDP unless you're really, really confident in what you're undertaking.
I think you should add style="background:white;" to make looks like it is writable
<input type="text" size="23" name="dateMonthly" id="dateMonthly" readonly="readonly" style="background:white;"/>
A great One Image slider : https://github.com/daimajia/AndroidImageSlider Check it
You can also set the default time zone in your code by using following code.
TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
To Yours
TimeZone.setDefault(TimeZone.getTimeZone("Europe/Sofia"));
Inline code takes higher precedence than the other ones. To call your other function func () call it from the f1 ().
Inside your function, add a line,
function fun () {
// Your code here
}
function f1()
{
alert("f1 called");
//form validation that recalls the page showing with supplied inputs.
fun ();
}
Rewriting your whole code,
<!DOCTYPE html>
<html>
<head>
<script>
function fun()
{
alert("hello");
//validation code to see State field is mandatory.
}
function f1()
{
alert("f1 called");
//form validation that recalls the page showing with supplied inputs.
fun ();
}
</script>
</head>
<body>
<form name="form1" id="form1" method="post">
State: <select id="state ID">
<option></option>
<option value="ap">ap</option>
<option value="bp">bp</option>
</select>
</form>
<table><tr><td id="Save" onclick="f1()">click</td></tr></table>
</body>
</html>
When you change files or add a new ones in repository you first must stage them.
git add <file>
or if you want to stage all
git add .
By doing this you are telling to git what files you want in your next commit. Then you do:
git commit -m 'your message here'
You use
git push origin master
where origin is the remote repository branch and master is your local repository branch.
The way to do this is to set the EnableHeadersVisualStyles
flag for the data grid view to False
, and set the background colour via the ColumnHeadersDefaultCellStyle.BackColor
property. For example, to set the background colour to blue, use the following (or set in the designer if you prefer):
_dataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.Blue;
_dataGridView.EnableHeadersVisualStyles = false;
If you do not set the EnableHeadersVisualStyles
flag to False, then the changes you make to the style of the header will not take effect, as the grid will use the style from the current users default theme. The MSDN documentation for this property is here.
Simply use this:
white-space: pre-wrap; /* CSS3 */
white-space: -moz-pre-wrap; /* Firefox */
white-space: -pre-wrap; /* Opera <7 */
white-space: -o-pre-wrap; /* Opera 7 */
word-wrap: break-word; /* IE */
$text='<span style="font-weight: bold;">Foo</span>';
$text=preg_replace( '/<span style="font-weight: bold;">(.*?)<\/span>/', '<strong>$1</strong>',$text);
Note: only work for your example.
Got so many errors related to permissions and what not. You may wanna try this :
xcode-select --install
I know about Android ICS that it uses a custom service called: NetworkTimeUpdateService
. This service also implements a NTP time synchronization via the NtpTrustedTime
singleton.
In NtpTrustedTime
the default NTP server is requested from the Android system string source:
final Resources res = context.getResources();
final String defaultServer = res.getString(
com.android.internal.R.string.config_ntpServer);
If the automatic time sync option in the system settings is checked and no NITZ time service is available then the time will be synchronized with the NTP server from com.android.internal.R.string.config_ntpServer
.
To get the value of com.android.internal.R.string.config_ntpServer
you can use the following method:
final Resources res = this.getResources();
final int id = Resources.getSystem().getIdentifier(
"config_ntpServer", "string","android");
final String defaultServer = res.getString(id);
It is needed whenever you want to send data to the server having characters that cannot be represented in pure ASCII, like 'ñ' or 'ö'.
That if the MySQL instance is not configured to expect UTF-8 encoding by default from client connections (many are, depending on your location and platform.)
Read http://www.joelonsoftware.com/articles/Unicode.html in case you aren't aware how Unicode works.
Read Whether to use "SET NAMES" to see SET NAMES alternatives and what exactly is it about.
Will it work for you ?
class MyClass;
typedef std::pair<int,MyClass> MyPair;
class MyClass
{
private:
void foo() const{};
public:
static void Method(MyPair const& p)
{
//......
p.second.foo();
};
};
// ...
std::map<int, MyClass> Map;
//.....
std::for_each(Map.begin(), Map.end(), (&MyClass::Method));
For some reason none of the other solutions here worked for me. However, after a lot of troubleshooting, I finally arrived at this method which works perfectly (for me at least).
$('html').click(function(e) {
if( !$(e.target).parents().hasClass('popover') ) {
$('#popover_parent').popover('destroy');
}
});
In my case I was adding a popover to a table and absolutely positioning it above/below the td
that was clicked. The table selection was handled by jQuery-UI Selectable so I'm not sure if that was interfering. However whenever I clicked inside the popover my click handler which targeted $('.popover')
never worked and the event handling was always delegated to the $(html)
click handler. I'm fairly new to JS so perhaps I'm just missing something?
Anyways I hope this helps someone!
curl is a command in linux (and a library in php). Curl typically makes an HTTP request.
What you really want to do is make an HTTP (or XHR) request from javascript.
Using this vocab you'll find a bunch of examples, for starters: Sending authorization headers with jquery and ajax
Essentially you will want to call $.ajax
with a few options for the header, etc.
$.ajax({
url: 'https://api.wit.ai/message?v=20140826&q=',
beforeSend: function(xhr) {
xhr.setRequestHeader("Authorization", "Bearer 6QXNMEMFHNY4FJ5ELNFMP5KRW52WFXN5")
}, success: function(data){
alert(data);
//process the JSON data etc
}
})
Looks like everyone is answering One-to-many
vs. Many-to-many
:
The difference between One-to-many
, Many-to-one
and Many-to-Many
is:
One-to-many
vs Many-to-one
is a matter of perspective. Unidirectional
vs Bidirectional
will not affect the mapping but will make difference on how you can access your data.
Many-to-one
the many
side will keep reference of the one
side. A good example is "A State has Cities". In this case State
is the one side and City
is the many side. There will be a column state_id
in the table cities
.In unidirectional,
Person
class will haveList<Skill> skills
butSkill
will not havePerson person
. In bidirectional, both properties are added and it allows you to access aPerson
given a skill( i.e.skill.person
).
One-to-Many
the one side will be our point of reference. For example, "A User has Addresses". In this case we might have three columns address_1_id
, address_2_id
and address_3_id
or a look up table with multi column unique constraint on user_id
on address_id
.In unidirectional, a
User
will haveAddress address
. Bidirectional will have an additionalList<User> users
in theAddress
class.
Many-to-Many
members of each party can hold reference to arbitrary number of members of the other party. To achieve this a look up table is used. Example for this is the relationship between doctors and patients. A doctor can have many patients and vice versa.this
is the DOM element on which the event was hooked. this.id
is its ID. No need to wrap it in a jQuery instance to get it, the id
property reflects the attribute reliably on all browsers.
$("select").change(function() {
alert("Changed: " + this.id);
}
You're not doing this in your code sample, but if you were watching a container with several form elements, that would give you the ID of the container. If you want the ID of the element that triggered the event, you could get that from the event
object's target
property:
$("#container").change(function(event) {
alert("Field " + event.target.id + " changed");
});
(jQuery ensures that the change
event bubbles, even on IE where it doesn't natively.)
As @Yoshi said, from angular 1.1.5 you can use-it without any change.
If you use angular < 1.1.5, you can use ng-class.
.largeWidth {
width: 100%;
}
.smallWidth {
width: 0%;
}
// [...]
ng-class="{largeWidth: myVar == 'ok', smallWidth: myVar != 'ok'}"
Most of these answers are "rounding" the radius of the earth. If you check these against other distance calculators (such as geopy), these functions will be off.
This works well:
from math import radians, cos, sin, asin, sqrt
def haversine(lat1, lon1, lat2, lon2):
R = 3959.87433 # this is in miles. For Earth radius in kilometers use 6372.8 km
dLat = radians(lat2 - lat1)
dLon = radians(lon2 - lon1)
lat1 = radians(lat1)
lat2 = radians(lat2)
a = sin(dLat/2)**2 + cos(lat1)*cos(lat2)*sin(dLon/2)**2
c = 2*asin(sqrt(a))
return R * c
# Usage
lon1 = -103.548851
lat1 = 32.0004311
lon2 = -103.6041946
lat2 = 33.374939
print(haversine(lat1, lon1, lat2, lon2))
ArrayTest obj=new ArrayTest(1);
test.add(obj);
ArrayTest obj1=new ArrayTest(2);
test.add(obj1);
ArrayTest obj2=new ArrayTest(3);
test.add(obj2);
test.remove(object of ArrayTest);
you can specify how you control each object.
The following should work and not require any permissions in the manifest (basically override shouldOverrideUrlLoading and handle links separately from tel, mailto, etc.):
mWebView = (WebView) findViewById(R.id.web_view);
WebSettings webSettings = mWebView.getSettings();
webSettings.setJavaScriptEnabled(true);
mWebView.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if( url.startsWith("http:") || url.startsWith("https:") ) {
return false;
}
// Otherwise allow the OS to handle things like tel, mailto, etc.
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity( intent );
return true;
}
});
mWebView.loadUrl(url);
Also, note that in the above snippet I am enabling JavaScript, which you will also most likely want, but if for some reason you don't, just remove those 2 lines.
For practically all date and time matters I prefer to simplify things, very, very simple... Down to seconds stored in integers.
Integers will always be supported as integers in databases, flat files, etc. You do a little math and cast it into another type and you can format the date anyway you want.
Doing it this way, you don't have to worry when [insert current favorite database here] is replaced with [future favorite database] which coincidentally didn't use the date format you chose today.
It's just a little math overhead (eg. methods--takes two seconds, I'll post a gist if necessary) and simplifies things for a lot of operations regarding date/time later.
You can find a sample code about sharpening image using "unsharp mask" algorithm at OpenCV Documentation.
Changing values of sigma
,threshold
,amount
will give different results.
// sharpen image using "unsharp mask" algorithm
Mat blurred; double sigma = 1, threshold = 5, amount = 1;
GaussianBlur(img, blurred, Size(), sigma, sigma);
Mat lowContrastMask = abs(img - blurred) < threshold;
Mat sharpened = img*(1+amount) + blurred*(-amount);
img.copyTo(sharpened, lowContrastMask);
I found this trying to store a massive number of files(350k+) in a repo. Yes, store. Laughs.
$ time git add .
git add . 333.67s user 244.26s system 14% cpu 1:06:48.63 total
The following extracts from the Bitbucket documentation are quite interesting.
When you work with a DVCS repository cloning, pushing, you are working with the entire repository and all of its history. In practice, once your repository gets larger than 500MB, you might start seeing issues.
... 94% of Bitbucket customers have repositories that are under 500MB. Both the Linux Kernel and Android are under 900MB.
The recommended solution on that page is to split your project into smaller chunks.
Extracting a specific folder (directory) within war file:
# unzip <war file> '<folder to extract/*>' -d <destination path>
unzip app##123.war 'some-dir/*' -d extracted/
You get ./extracted/some-dir/
as a result.
You need to do that on your binding, but you'll need to do it on both Client and Server. Something like:
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding maxBufferSize="64000000" maxReceivedMessageSize="64000000" />
</basicHttpBinding>
</bindings>
</system.serviceModel>
For pyautogui users:
import pyautogui
screenshot = pyautogui.screenshot()
Code Behind:
public class Friends
{
public string ID { get; set; }
public string Name { get; set; }
public string Image { get; set; }
}
protected void Page_Load(object sender, EventArgs e)
{
List <Friends> friendsList = new List<Friends>();
foreach (var friend in friendz)
{
friendsList.Add(
new Friends { ID = friend.id, Name = friend.name }
);
}
this.rptFriends.DataSource = friendsList;
this.rptFriends.DataBind();
}
.aspx Page
<asp:Repeater ID="rptFriends" runat="server">
<HeaderTemplate>
<table border="0" cellpadding="0" cellspacing="0">
<thead>
<tr>
<th>ID</th>
<th>Name</th>
</tr>
</thead>
<tbody>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td><%# Eval("ID") %></td>
<td><%# Eval("Name") %></td>
</tr>
</ItemTemplate>
<FooterTemplate>
</tbody>
</table>
</FooterTemplate>
</asp:Repeater>
According to your requirement
just show me a basic example of using setTimeout to loop something
we have following example which can help you
var itr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];_x000D_
var interval = 1000; //one second_x000D_
itr.forEach((itr, index) => {_x000D_
_x000D_
setTimeout(() => {_x000D_
console.log(itr)_x000D_
}, index * interval)_x000D_
})
_x000D_
You can use a simply bind on click and close, like this: (click)="drawer.close()
<a class="nav-link" [routerLink]="navItem.link" routerLinkActive="selected" (click)="drawer.close()">
Try using Replace
to see if it will work for you. The problem as I see it which has been mentioned a few times above is the CDate function is choking on the periods. You can use replace to change them to slashes. To answer your question about a Function in vba that can parse any date format, there is not any you have very limited options.
Dim current as Date, highest as Date, result() as Date
For Each itemDate in DeliveryDateArray
Dim tempDate As String
itemDate = IIf(Trim(itemDate) = "", "0", itemDate) 'Added per OP's request.
tempDate = Replace(itemDate, ".", "/")
current = Format(CDate(tempDate),"dd/mm/yyyy")
if current > highest then
highest = current
end if
' some more operations an put dates into result array
Next itemDate
'After activating final sheet...
Range("A1").Resize(UBound(result), 1).Value = Application.Transpose(result)
You can use // instead of single /. That converts to int
directly.
Yes, but you can select only one column in your subselect
SELECT (SELECT id FROM bla) AS my_select FROM bla2
I think the best and simplest solution is (KISS):
double i = 348842;
double i2 = i/60000;
float k = (float) Math.round(i2 * 100) / 100;
To add more fun you can add .ipp
files which contain the template implementation (that is being included in .hpp
), while .hpp
contains the interface.
As apart from templatized code (depending on the project this can be majority or minority of files) there is normal code and here it is better to separate the declarations and definitions. Provide also forward-declarations where needed - this may have effect on the compilation time.
I'm using this below function, hope it may be useful.
function NewGuid()
{
var sGuid="";
for (var i=0; i<32; i++)
{
sGuid+=Math.floor(Math.random()*0xF).toString(0xF);
}
return sGuid;
}
This is based on @adnan's great answer.
Changes:
And you can still pull the filesize() call out of the function, in order to get a pure bytes formatting function. But this works on a file.
/**
* Formats filesize in human readable way.
*
* @param file $file
* @return string Formatted Filesize, e.g. "113.24 MB".
*/
function filesize_formatted($file)
{
$bytes = filesize($file);
if ($bytes >= 1073741824) {
return number_format($bytes / 1073741824, 2) . ' GB';
} elseif ($bytes >= 1048576) {
return number_format($bytes / 1048576, 2) . ' MB';
} elseif ($bytes >= 1024) {
return number_format($bytes / 1024, 2) . ' KB';
} elseif ($bytes > 1) {
return $bytes . ' bytes';
} elseif ($bytes == 1) {
return '1 byte';
} else {
return '0 bytes';
}
}
In answer to your first question, there's no parameter substitution because you've put the delimiter in quotes - the bash manual says:
The format of here-documents is:
<<[-]word here-document delimiter
No parameter expansion, command substitution, arithmetic expansion, or pathname expansion is performed on word. If any characters in word are quoted, the delimiter is the result of quote removal on word, and the lines in the here-document are not expanded. If word is unquoted, all lines of the here-document are subjected to parameter expansion, command substitution, and arithmetic expansion. [...]
If you change your first example to use <<EOF
instead of << "EOF"
you'll find that it works.
In your second example, the shell invokes sudo
only with the parameter cat
, and the redirection applies to the output of sudo cat
as the original user. It'll work if you try:
sudo sh -c "cat > /path/to/outfile" <<EOT
my text...
EOT
You can use this for objects:
@Pipe({
name: 'sort',
})
export class SortPipe implements PipeTransform {
transform(array: any[], field: string): any[] {
return array.sort((a, b) => a[field].toLowerCase() !== b[field].toLowerCase() ? a[field].toLowerCase() < b[field].toLowerCase() ? -1 : 1 : 0);
}
}
Add your multiple columns with comma separations:
UPDATE settings SET postsPerPage = $postsPerPage, style= $style WHERE id = '1'
However, you're not sanitizing your inputs?? This would mean any random hacker could destroy your database. See this question: What's the best method for sanitizing user input with PHP?
Also, is style a number or a string? I'm assuming a string, so it would need to be quoted.
I had same error and the mistake was that I had added list and dictionary into the same list (object) and when I used to iterate over the list of dictionaries and use to hit a list (type) object then I used to get this error.
Its was a code error and made sure that I only added dictionary objects to that list and list typed object into the list, this solved my issue as well.
Use re.sub
directly, this allows you to specify a count
:
regex.sub('', url, 1)
(Note that the order of arguments is replacement
, original
not the opposite, as might be suspected.)
If you a running Jupyter/Ipython notebook and having problems using;
ax = df1.plot()
df2.plot(ax=ax)
Run the command inside of the same cell!! It wont, for some reason, work when they are separated into sequential cells. For me at least.
If you're like me running in a restricted environment without administrative privileges, that means your only way to get node up and running is to grab the executable (node.exe) without using the installer. You also cannot change the path variable which makes it that much more challenging.
Here's what I did (for Windows)
npm install -g express
Running the installers through npm will now auto install packages where they need to be located (node_modules and the root)
Don't forget you will not be able to set the path variable if you do not have proper permissions. So your best route is to open a command prompt in the node.exe directory (shift right-click "Open command window here")
According to the API
totalMemory()
Returns the total amount of memory in the Java virtual machine. The value returned by this method may vary over time, depending on the host environment. Note that the amount of memory required to hold an object of any given type may be implementation-dependent.
maxMemory()
Returns the maximum amount of memory that the Java virtual machine will attempt to use. If there is no inherent limit then the value Long.MAX_VALUE will be returned.
freeMemory()
Returns the amount of free memory in the Java Virtual Machine. Calling the gc method may result in increasing the value returned by freeMemory.
In reference to your question, maxMemory()
returns the -Xmx
value.
You may be wondering why there is a totalMemory() AND a maxMemory(). The answer is that the JVM allocates memory lazily. Lets say you start your Java process as such:
java -Xms64m -Xmx1024m Foo
Your process starts with 64mb of memory, and if and when it needs more (up to 1024m), it will allocate memory. totalMemory()
corresponds to the amount of memory currently available to the JVM for Foo. If the JVM needs more memory, it will lazily allocate it up to the maximum memory. If you run with -Xms1024m -Xmx1024m
, the value you get from totalMemory()
and maxMemory()
will be equal.
Also, if you want to accurately calculate the amount of used memory, you do so with the following calculation :
final long usedMem = totalMemory() - freeMemory();
SELECT *, COUNT(*) FROM my_table
is not what you want, and it's not really valid SQL, you have to group by all the columns that's not an aggregate.
You'd want something like
SELECT somecolumn,someothercolumn, COUNT(*)
FROM my_table
GROUP BY somecolumn,someothercolumn
Find out two pieces of information
$> telnet <hostname or ip> <port>
Assuming the daemon is up and running and listening on that port it should etablish a telnet session. Likely causes:
Replace
xmlns:android="http://schemas.android.com/apk/res/android"
with
xmlns:ads="http://schemas.android.com/apk/lib/com.google.ads"
then Rebuild Project
Try something like:-
ALTER TABLE table_name ADD CONSTRAINT [DF_table_name_Created]
DEFAULT (getdate()) FOR [created_at];
replacing table_name
with the name of your table.
I suggest to try out some Reflection approach, if you have time to spend on the debugger (sorry but I didn't have).
Starting from the loadUrl()
method of the android.webkit.WebView
class:
You should arrive on the android.webkit.BrowserFrame
that call the nativeLoadUrl()
native method:
The implementation of the native method should be here:
Wish you good luck!
In Windows open the Run window (Win + R):
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe --allow-running-insecure-content
In OS-X Terminal.app
run the following command ⌘+space:
open /Applications/Google\ Chrome.app --args --allow-running-insecure-content
Note:
You seem to be able to add the argument --allow-running-insecure-content
to bypass this for development. But its not a recommended solution.
you can make an array like:
s = np.arange(0, len(a), 1)
then shuffle it:
np.random.shuffle(s)
now use this s as argument of your arrays. same shuffled arguments return same shuffled vectors.
x_data = x_data[s]
x_label = x_label[s]
Right click the project and click "Properties". Then select "Android" from the tree on the left. You can then select the target version on the right.
(Note as per the popular comment below, make sure your properties, classpath and project files are writable otherwise it won't work)
DTO vs VO
DTO - Data transfer objects are just data containers which are used to transport data between layers and tiers.
Analogy:
Simple Registration form with attributes username, password and email id.
- When this form is submitted in RegistrationServlet file you will get all the attributes from view layer to business layer where you pass the attributes to java beans and then to the DAO or the persistence layer.
- DTO's helps in transporting the attributes from view layer to business layer and finally to the persistence layer.
DTO was mainly used to get data transported across the network efficiently, it may be even from JVM to another JVM.
DTOs are often java.io.Serializable
- in order to transfer data across JVM.
VO - A Value Object [1][2] represents itself a fixed set of data and is similar to a Java enum. A Value Object's identity is based on their state rather than on their object identity and is immutable. A real world example would be Color.RED, Color.BLUE, SEX.FEMALE etc.
POJO vs JavaBeans
[1] The Java-Beanness of a POJO is that its private attributes are all accessed via public getters and setters that conform to the JavaBeans conventions. e.g.
private String foo;
public String getFoo(){...}
public void setFoo(String foo){...};
[2] JavaBeans must implement Serializable and have a no-argument constructor, whereas in POJO does not have these restrictions.
I did some mock testing to record the difference between save()
and persist()
.
Sounds like both these methods behaves same when dealing with Transient Entity but differ when dealing with Detached Entity.
For the below example, take EmployeeVehicle as an Entity with PK as vehicleId
which is a generated value and vehicleName
as one of its properties.
Example 1 : Dealing with Transient Object
Session session = factory.openSession();
session.beginTransaction();
EmployeeVehicle entity = new EmployeeVehicle();
entity.setVehicleName("Honda");
session.save(entity);
// session.persist(entity);
session.getTransaction().commit();
session.close();
Result:
select nextval ('hibernate_sequence') // This is for vehicle Id generated : 36
insert into Employee_Vehicle ( Vehicle_Name, Vehicle_Id) values ( Honda, 36)
Note the result is same when you get an already persisted object and save it
EmployeeVehicle entity = (EmployeeVehicle)session.get(EmployeeVehicle.class, 36);
entity.setVehicleName("Toyota");
session.save(entity); -------> **instead of session.update(entity);**
// session.persist(entity);
Repeat the same using persist(entity)
and will result the same with new Id ( say 37 , honda ) ;
Example 2 : Dealing with Detached Object
// Session 1
// Get the previously saved Vehicle Entity
Session session = factory.openSession();
session.beginTransaction();
EmployeeVehicle entity = (EmployeeVehicle)session.get(EmployeeVehicle.class, 36);
session.close();
// Session 2
// Here in Session 2 , vehicle entity obtained in previous session is a detached object and now we will try to save / persist it
// (i) Using Save() to persist a detached object
Session session2 = factory.openSession();
session2.beginTransaction();
entity.setVehicleName("Toyota");
session2.save(entity);
session2.getTransaction().commit();
session2.close();
Result : You might be expecting the Vehicle with id : 36 obtained in previous session is updated with name as "Toyota" . But what happens is that a new entity is saved in the DB with new Id generated for and Name as "Toyota"
select nextval ('hibernate_sequence')
insert into Employee_Vehicle ( Vehicle_Name, Vehicle_Id) values ( Toyota, 39)
Using persist to persist detached entity
// (ii) Using Persist() to persist a detached
// Session 1
Session session = factory.openSession();
session.beginTransaction();
EmployeeVehicle entity = (EmployeeVehicle)session.get(EmployeeVehicle.class, 36);
session.close();
// Session 2
// Here in Session 2 , vehicle entity obtained in previous session is a detached object and now we will try to save / persist it
// (i) Using Save() to persist a detached
Session session2 = factory.openSession();
session2.beginTransaction();
entity.setVehicleName("Toyota");
session2.persist(entity);
session2.getTransaction().commit();
session2.close();
Result:
Exception being thrown : detached entity passed to persist
So, it is always better to use Persist() rather than Save() as save has to be carefully used when dealing with Transient object .
Important Note : In the above example , the pk of vehicle entity is a generated value , so when using save() to persist a detached entity , hibernate generates a new id to persist . However if this pk is not a generated value than it is result in a exception stating key violated.
To answer your question, there is no "proper way" to do that.
Now if it's just the warning that bothers you, the best way to avoid its proliferation is to wrap the Query.list()
method into a DAO :
public class MyDAO {
@SuppressWarnings("unchecked")
public static <T> List<T> list(Query q){
return q.list();
}
}
This way you get to use the @SuppressWarnings("unchecked")
only once.
Your "listen" directives are wrong. See this page: http://nginx.org/en/docs/http/server_names.html.
They should be
server {
listen 80;
server_name www.domain1.com;
root /var/www/domain1;
}
server {
listen 80;
server_name www.domain2.com;
root /var/www/domain2;
}
Note, I have only included the relevant lines. Everything else looked okay but I just deleted it for clarity. To test it you might want to try serving a text file from each server first before actually serving php. That's why I left the 'root' directive in there.
h2 { display: inline }
First, you have to create two animation resources in res/anim dir
slide_up.xml
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="@android:integer/config_mediumAnimTime"
android:fromYDelta="100%"
android:interpolator="@android:anim/accelerate_interpolator"
android:toXDelta="0">
</translate>
</set>
slide_bottom.xml
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate
android:duration="@android:integer/config_mediumAnimTime"
android:fromYDelta="0%p"
android:interpolator="@android:anim/accelerate_interpolator"
android:toYDelta="100%p">
</translate>
</set>
then you have to create a style
<style name="DialogAnimation">
<item name="android:windowEnterAnimation">@anim/slide_up</item>
<item name="android:windowExitAnimation">@anim/slide_bottom</item>
</style>
and add this line to your class
dialog.getWindow().getAttributes().windowAnimations = R.style.DialogAnimation; //style id
Based in http://www.devexchanges.info/2015/10/showing-dialog-with-animation-in-android.html
CMD.exe
Start a new CMD shell
Syntax
CMD [charset] [options] [My_Command]
Options
**/C Carries out My_Command and then
terminates**
From the help.
In programming languages, a type is some data and the associated operations. An ADT is a user defined data aggregate and the operations over these data and is characterized by encapsulation, the data and operations are represented, or at list declared, in a single syntactic unit, and information hiding, only the relevant operations are visible for the user of the ADT, the ADT interface, in the same way that a normal data type in the programming language. It's an abstraction because the internal representation of the data and implementation of the operations are of no concern to the ADT user.
Yes you can use ALTER TABLE
as follows:
ALTER TABLE [table name] ALTER COLUMN [column name] [data type] NULL
Quoting from the ALTER TABLE
documentation:
NULL
can be specified inALTER COLUMN
to force aNOT NULL
column to allow null values, except for columns in PRIMARY KEY constraints.
Working with the many answers above, I have implemented Apples new method os_proc_available_memory()
for iOS 13+ coupled with NSByteCountFormatter
which offers a number of useful formatting options for nicer output of the memory:
#include <os/proc.h>
....
- (NSString *)memoryStringForBytes:(unsigned long long)memoryBytes {
NSByteCountFormatter *byteFormatter = [[NSByteCountFormatter alloc] init];
byteFormatter.allowedUnits = NSByteCountFormatterUseGB;
byteFormatter.countStyle = NSByteCountFormatterCountStyleMemory;
NSString *memoryString = [byteFormatter stringFromByteCount:memoryBytes];
return memoryString;
}
- (void)memoryLoggingOutput {
if (@available(iOS 13.0, *)) {
NSLog(@"Physical memory available: %@", [self memoryStringForBytes:[NSProcessInfo processInfo].physicalMemory]);
NSLog(@"Memory A (brackets): %@", [self memoryStringForBytes:(long)os_proc_available_memory()]);
NSLog(@"Memory B (no brackets): %@", [self memoryStringForBytes:(long)os_proc_available_memory]);
}
}
Important note: Do not forget the ()
at the end. I have included both NSLog
options in in the memoryLoggingOutput
method because it does not warn you that they are missing and failure to include the brackets returns an unexpected yet constant result.
The string returned from the method memoryStringForBytes
outputs values like so:
NSLog(@"%@", [self memoryStringForBytes:(long)os_proc_available_memory()]); // 1.93 GB
// 2 seconds later
NSLog(@"%@", [self memoryStringForBytes:(long)os_proc_available_memory()]); // 1.84 GB
It depends on the kind of test double you want to interact with:
In other words, with mocking the only useful interactions with a collaborator are the ones that you provide. By default functions will return null, void methods do nothing.
If you would like to get the same information given when an exception isn't handled you can do something like this. Do import traceback
and then:
try:
...
except Exception as e:
print(traceback.print_tb(e.__traceback__))
I'm using Python 3.7.
Swift 3.0, Xcode 8
With the following code you can ask an instance for its class. You can also compare two instances, wether having the same class.
// CREATE pure SWIFT class
class MySwiftClass {
var someString : String = "default"
var someInt : Int = 5
}
// CREATE instances
let firstInstance = MySwiftClass()
let secondInstance = MySwiftClass()
secondInstance.someString = "Donald"
secondInstance.someInt = 24
// INSPECT instances
if type(of: firstInstance) === MySwiftClass.self {
print("SUCCESS with ===")
} else {
print("PROBLEM with ===")
}
if type(of: firstInstance) == MySwiftClass.self {
print("SUCCESS with ==")
} else {
print("PROBLEM with ==")
}
// COMPARE CLASS OF TWO INSTANCES
if type(of: firstInstance) === type(of: secondInstance) {
print("instances have equal class")
} else {
print("instances have NOT equal class")
}
Faced more issues while making this work. Here are the details:
apache-log4j-extras-1.1.jar
in the classpath, didn't notice this at first.RollingFileAppender
should be org.apache.log4j.rolling.RollingFileAppender
instead of org.apache.log4j.RollingFileAppender
. This can give the error: log4j:ERROR No output stream or file set for the appender named [file].
log4j-1.2.14.jar
to log4j-1.2.16.jar
.Below is the appender configuration which worked for me:
<appender name="file" class="org.apache.log4j.rolling.RollingFileAppender">
<param name="threshold" value="debug" />
<rollingPolicy name="file"
class="org.apache.log4j.rolling.TimeBasedRollingPolicy">
<param name="FileNamePattern" value="logs/MyLog-%d{yyyy-MM-dd-HH-mm}.log.gz" />
<!-- The below param will keep the live update file in a different location-->
<!-- param name="ActiveFileName" value="current/MyLog.log" /-->
</rollingPolicy>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%5p %d{ISO8601} [%t][%x] %c - %m%n" />
</layout>
</appender>
Suppose you want to insert a particular line of text (not an empty line):
@echo off
FOR /F %%C IN ('FIND /C /V "" ^<%origfile%') DO SET totallines=%%C
set /a totallines+=1
@echo off
<%origfile% (FOR /L %%i IN (1,1,%totallines%) DO (
SETLOCAL EnableDelayedExpansion
SET /p L=
IF %%i==%insertat% ECHO(!TL!
ECHO(!L!
ENDLOCAL
)
) >%tempfile%
COPY /Y %tempfile% %origfile% >NUL
DEL %tempfile%
Looks to me like you need to set the yellow
on #doc3
and then get rid of the white
that is called out on the #yui-main
(which is covering up the color of the #doc3
). This gets you yellow between header and footer.
Can I suggest that you reload it into a non-DOM image object? If it's cached, this will take no time at all, and the onload will still fire. If it isn't cached, it will fire the onload when the image is loaded, which should be the same time as the DOM version of the image finishes loading.
Javascript:
$(document).ready(function() {
var tmpImg = new Image() ;
tmpImg.src = $('#img').attr('src') ;
tmpImg.onload = function() {
// Run onload code.
} ;
}) ;
Updated (to handle multiple images and with correctly ordered onload attachment):
$(document).ready(function() {
var imageLoaded = function() {
// Run onload code.
}
$('#img').each(function() {
var tmpImg = new Image() ;
tmpImg.onload = imageLoaded ;
tmpImg.src = $(this).attr('src') ;
}) ;
}) ;
For a String constant you have no choice other than escaping via backslash.
Maybe you find the MyBatis project interesting. It is a thin layer over JDBC where you can externalize your SQL queries in XML configuration files without the need to escape double quotes.
something like this should work...
String name = "Test2";//Name of the class
Class myClass = Class.forName(name);
Object o = myClass.newInstance();
Here's my solution using json.dump():
def jsonWrite(p, pyobj, ensure_ascii=False, encoding=SYSTEM_ENCODING, **kwargs):
with codecs.open(p, 'wb', 'utf_8') as fileobj:
json.dump(pyobj, fileobj, ensure_ascii=ensure_ascii,encoding=encoding, **kwargs)
where SYSTEM_ENCODING is set to:
locale.setlocale(locale.LC_ALL, '')
SYSTEM_ENCODING = locale.getlocale()[1]
function printTable()
{
local -r delimiter="${1}"
local -r data="$(removeEmptyLines "${2}")"
if [[ "${delimiter}" != '' && "$(isEmptyString "${data}")" = 'false' ]]
then
local -r numberOfLines="$(wc -l <<< "${data}")"
if [[ "${numberOfLines}" -gt '0' ]]
then
local table=''
local i=1
for ((i = 1; i <= "${numberOfLines}"; i = i + 1))
do
local line=''
line="$(sed "${i}q;d" <<< "${data}")"
local numberOfColumns='0'
numberOfColumns="$(awk -F "${delimiter}" '{print NF}' <<< "${line}")"
# Add Line Delimiter
if [[ "${i}" -eq '1' ]]
then
table="${table}$(printf '%s#+' "$(repeatString '#+' "${numberOfColumns}")")"
fi
# Add Header Or Body
table="${table}\n"
local j=1
for ((j = 1; j <= "${numberOfColumns}"; j = j + 1))
do
table="${table}$(printf '#| %s' "$(cut -d "${delimiter}" -f "${j}" <<< "${line}")")"
done
table="${table}#|\n"
# Add Line Delimiter
if [[ "${i}" -eq '1' ]] || [[ "${numberOfLines}" -gt '1' && "${i}" -eq "${numberOfLines}" ]]
then
table="${table}$(printf '%s#+' "$(repeatString '#+' "${numberOfColumns}")")"
fi
done
if [[ "$(isEmptyString "${table}")" = 'false' ]]
then
echo -e "${table}" | column -s '#' -t | awk '/^\+/{gsub(" ", "-", $0)}1'
fi
fi
fi
}
function removeEmptyLines()
{
local -r content="${1}"
echo -e "${content}" | sed '/^\s*$/d'
}
function repeatString()
{
local -r string="${1}"
local -r numberToRepeat="${2}"
if [[ "${string}" != '' && "${numberToRepeat}" =~ ^[1-9][0-9]*$ ]]
then
local -r result="$(printf "%${numberToRepeat}s")"
echo -e "${result// /${string}}"
fi
}
function isEmptyString()
{
local -r string="${1}"
if [[ "$(trimString "${string}")" = '' ]]
then
echo 'true' && return 0
fi
echo 'false' && return 1
}
function trimString()
{
local -r string="${1}"
sed 's,^[[:blank:]]*,,' <<< "${string}" | sed 's,[[:blank:]]*$,,'
}
SAMPLE RUNS
$ cat data-1.txt
HEADER 1,HEADER 2,HEADER 3
$ printTable ',' "$(cat data-1.txt)"
+-----------+-----------+-----------+
| HEADER 1 | HEADER 2 | HEADER 3 |
+-----------+-----------+-----------+
$ cat data-2.txt
HEADER 1,HEADER 2,HEADER 3
data 1,data 2,data 3
$ printTable ',' "$(cat data-2.txt)"
+-----------+-----------+-----------+
| HEADER 1 | HEADER 2 | HEADER 3 |
+-----------+-----------+-----------+
| data 1 | data 2 | data 3 |
+-----------+-----------+-----------+
$ cat data-3.txt
HEADER 1,HEADER 2,HEADER 3
data 1,data 2,data 3
data 4,data 5,data 6
$ printTable ',' "$(cat data-3.txt)"
+-----------+-----------+-----------+
| HEADER 1 | HEADER 2 | HEADER 3 |
+-----------+-----------+-----------+
| data 1 | data 2 | data 3 |
| data 4 | data 5 | data 6 |
+-----------+-----------+-----------+
$ cat data-4.txt
HEADER
data
$ printTable ',' "$(cat data-4.txt)"
+---------+
| HEADER |
+---------+
| data |
+---------+
$ cat data-5.txt
HEADER
data 1
data 2
$ printTable ',' "$(cat data-5.txt)"
+---------+
| HEADER |
+---------+
| data 1 |
| data 2 |
+---------+
REF LIB at: https://github.com/gdbtek/linux-cookbooks/blob/master/libraries/util.bash
I had the same issue after trying many combination I had this working note I have compatibility checked for intranet
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<head runat="server">
I had to add "Current" using .NET 4.5:
HttpContext.Current.Server.ScriptTimeout = 300;
Add the Access-Control-Allow-Origin header from the server
Access-Control-Allow-Origin: https://www.mysite.com
Gradle : v4.10.3
IDE : IntelliJ
I was facing this issue when using gradle to run my build and test. Copying the applicationContext.xml all over the place did not help. Even specifying the complete path as below did not help !
context = new ClassPathXmlApplicationContext("C:\\...\\applicationContext.xml");
The solution (for gradle at least) lies in the way gradle processes resources. For my gradle project I had laid out the workspace as defined at https://docs.gradle.org/current/userguide/java_plugin.html#sec:java_project_layout
When running a test using default gradle set of tasks includes a "processTestResources" step, which looks for test resources at C:\.....\src\test\resources (Gradle helpfully provides the complete path).
Your .properties file and applicationContext.xml need to be in this directory. If the resources directory is not present (as it was in my case), you need to create it copy the file(s) there. After this, simply specifying the file name worked just fine.
context = new ClassPathXmlApplicationContext("applicationContext.xml");
I found the solution thanks to the link in Vincent's answer.
\renewcommand{\familydefault}{\sfdefault}
This changes the default font family to sans-serif.
BTW, if anyone want to get coordinates of element on screen without jQuery, please try this:
function getOffsetTop (el) {
if (el.offsetParent) return el.offsetTop + getOffsetTop(el.offsetParent)
return el.offsetTop || 0
}
function getOffsetLeft (el) {
if (el.offsetParent) return el.offsetLeft + getOffsetLeft(el.offsetParent)
return el.offsetleft || 0
}
function coordinates(el) {
var y1 = getOffsetTop(el) - window.scrollY;
var x1 = getOffsetLeft(el) - window.scrollX;
var y2 = y1 + el.offsetHeight;
var x2 = x1 + el.offsetWidth;
return {
x1: x1, x2: x2, y1: y1, y2: y2
}
}
Use: xmlhttp.setRequestHeader(key, value);
You can catch it like any other exception:
try {
foo();
}
catch (const std::bad_alloc&) {
return -1;
}
Quite what you can usefully do from this point is up to you, but it's definitely feasible technically.
In general you cannot, and should not try, to respond to this error. bad_alloc
indicates that a resource cannot be allocated because not enough memory is available. In most scenarios your program cannot hope to cope with that, and terminating soon is the only meaningful behaviour.
Worse, modern operating systems often over-allocate: on such systems, malloc
and new
can return a valid pointer even if there is not enough free memory left – std::bad_alloc
will never be thrown, or is at least not a reliable sign of memory exhaustion. Instead, attempts to access the allocated memory will then result in a segmentation fault, which is not catchable (you can handle the segmentation fault signal, but you cannot resume the program afterwards).
The only thing you could do when catching std::bad_alloc
is to perhaps log the error, and try to ensure a safe program termination by freeing outstanding resources (but this is done automatically in the normal course of stack unwinding after the error gets thrown if the program uses RAII appropriately).
In certain cases, the program may attempt to free some memory and try again, or use secondary memory (= disk) instead of RAM but these opportunities only exist in very specific scenarios with strict conditions:
It’s exceedingly rare that applications have control over point 1 — userspace applications never do, it’s a system-wide setting that requires root permissions to change.1
OK, so let’s assume you’ve fixed point 1. What you can now do is for instance use a LRU cache for some of your data (probably some particularly large business objects that can be regenerated or reloaded on demand). Next, you need to put the actual logic that may fail into a function that supports retry — in other words, if it gets aborted, you can just relaunch it:
lru_cache<widget> widget_cache;
double perform_operation(int widget_id) {
std::optional<widget> maybe_widget = widget_cache.find_by_id(widget_id);
if (not maybe_widget) {
maybe_widget = widget_cache.store(widget_id, load_widget_from_disk(widget_id));
}
return maybe_widget->frobnicate();
}
…
for (int num_attempts = 0; num_attempts < MAX_NUM_ATTEMPTS; ++num_attempts) {
try {
return perform_operation(widget_id);
} catch (std::bad_alloc const&) {
if (widget_cache.empty()) throw; // memory error elsewhere.
widget_cache.remove_oldest();
}
}
// Handle too many failed attempts here.
But even here, using std::set_new_handler
instead of handling std::bad_alloc
provides the same benefit and would be much simpler.
1 If you’re creating an application that does control point 1, and you’re reading this answer, please shoot me an email, I’m genuinely curious about your circumstances.
new
in c++?The usual notion is that if new
operator cannot allocate dynamic memory of the requested size, then it should throw an exception of type std::bad_alloc
.
However, something more happens even before a bad_alloc
exception is thrown:
C++03 Section 3.7.4.1.3: says
An allocation function that fails to allocate storage can invoke the currently installed new_handler(18.4.2.2), if any. [Note: A program-supplied allocation function can obtain the address of the currently installed new_handler using the set_new_handler function (18.4.2.3).] If an allocation function declared with an empty exception-specification (15.4), throw(), fails to allocate storage, it shall return a null pointer. Any other allocation function that fails to allocate storage shall only indicate failure by throw-ing an exception of class std::bad_alloc (18.4.2.1) or a class derived from std::bad_alloc.
Consider the following code sample:
#include <iostream>
#include <cstdlib>
// function to call if operator new can't allocate enough memory or error arises
void outOfMemHandler()
{
std::cerr << "Unable to satisfy request for memory\n";
std::abort();
}
int main()
{
//set the new_handler
std::set_new_handler(outOfMemHandler);
//Request huge memory size, that will cause ::operator new to fail
int *pBigDataArray = new int[100000000L];
return 0;
}
In the above example, operator new
(most likely) will be unable to allocate space for 100,000,000 integers, and the function outOfMemHandler()
will be called, and the program will abort after issuing an error message.
As seen here the default behavior of new
operator when unable to fulfill a memory request, is to call the new-handler
function repeatedly until it can find enough memory or there is no more new handlers. In the above example, unless we call std::abort()
, outOfMemHandler()
would be called repeatedly. Therefore, the handler should either ensure that the next allocation succeeds, or register another handler, or register no handler, or not return (i.e. terminate the program). If there is no new handler and the allocation fails, the operator will throw an exception.
new_handler
and set_new_handler
?new_handler
is a typedef for a pointer to a function that takes and returns nothing, and set_new_handler
is a function that takes and returns a new_handler
.
Something like:
typedef void (*new_handler)();
new_handler set_new_handler(new_handler p) throw();
set_new_handler's parameter is a pointer to the function operator new
should call if it can't allocate the requested memory. Its return value is a pointer to the previously registered handler function, or null if there was no previous handler.
Given the behavior of new
a well designed user program should handle out of memory conditions by providing a proper new_handler
which does one of the following:
Make more memory available: This may allow the next memory allocation attempt inside operator new's loop to succeed. One way to implement this is to allocate a large block of memory at program start-up, then release it for use in the program the first time the new-handler is invoked.
Install a different new-handler: If the current new-handler can't make any more memory available, and of there is another new-handler that can, then the current new-handler can install the other new-handler in its place (by calling set_new_handler
). The next time operator new calls the new-handler function, it will get the one most recently installed.
(A variation on this theme is for a new-handler to modify its own behavior, so the next time it's invoked, it does something different. One way to achieve this is to have the new-handler modify static, namespace-specific, or global data that affects the new-handler's behavior.)
Uninstall the new-handler: This is done by passing a null pointer to set_new_handler
. With no new-handler installed, operator new
will throw an exception ((convertible to) std::bad_alloc
) when memory allocation is unsuccessful.
Throw an exception convertible to std::bad_alloc
. Such exceptions are not be caught by operator new
, but will propagate to the site originating the request for memory.
Not return: By calling abort
or exit
.
As Zach explained, you can use:
xor = bool(a) ^ bool(b)
Personally, I favor a slightly different dialect:
xor = bool(a) + bool(b) == 1
This dialect is inspired from a logical diagramming language I learned in school where "OR" was denoted by a box containing =1
(greater than or equal to 1) and "XOR" was denoted by a box containing =1
.
This has the advantage of correctly implementing exclusive or on multiple operands.
Using this in combination with Laravel solved my problem. Just add this header to your jquery request Access-Control-Request-Headers: x-requested-with
and make sure that your server side response has this header set Access-Control-Allow-Headers: *
.
You need to update the execution permission for gradlew
Locally: chmod +x gradlew
Git:
git update-index --chmod=+x gradlew
git add .
git commit -m "Changing permission of gradlew"
git push
You should see:
mode change 100644 => 100755 gradlew
A quick addition to @Cem Catikka's comment, when using ExpectedException:
Keep in mind that your expected exception will be wrapped in an InvocationTargetException, so in order to get to your exception you will have to throw the cause of the InvocationTargetException you received. Something like (testing private method validateRequest() on BizService):
@Rule
public ExpectedException thrown = ExpectedException.none();
@Autowired(required = true)
private BizService svc;
@Test
public void testValidateRequest() throws Exception {
thrown.expect(BizException.class);
thrown.expectMessage(expectMessage);
BizRequest request = /* Mock it, read from source - file, etc. */;
validateRequest(request);
}
private void validateRequest(BizRequest request) throws Exception {
Method method = svc.getClass().getDeclaredMethod("validateRequest", BizRequest.class);
method.setAccessible(true);
try {
method.invoke(svc, request);
}
catch (InvocationTargetException e) {
throw ((BizException)e.getCause());
}
}
There are two ways you can count the number of rows.
$query = "SELECT count(*) as total from table1";
$prepare = $link->prepare($query);
$prepare->execute();
$row = $prepare->fetch(PDO::FETCH_ASSOC);
echo $row['total']; // This will return you a number of rows.
Or second way is
$query = "SELECT field1, field2 from table1";
$prepare = $link->prepare($query);
$prepare->execute();
$row = $prepare->fetch(PDO::FETCH_NUM);
echo $rows[0]; // This will return you a number of rows as well.
An xmlns
is a unique identifier within the document - it doesn't have to be a URI to the schema:
XML namespaces provide a simple method for qualifying element and attribute names used in Extensible Markup Language documents by associating them with namespaces identified by URI references.
xsi:schemaLocation
is supposed to give a hint as to the actual schema location:
can be used in a document to provide hints as to the physical location of schema documents which may be used for assessment.
You need to use
$rootScope.$broadcast()
in the controller that must send datas. And in the one that receive those datas, you use
$scope.$on
Here is a fiddle that i forked a few time ago (I don't know who did it first anymore
You can assign function to all checkboxes then ask for confirmation inside of it. If they choose yes, checkbox is allowed to be changed if no it remains unchanged.
In my case I am also using ASP .Net checkbox inside a repeater (or grid) with Autopostback="True" attribute, so on server side I need to compare the value submitted vs what's currently in db in order to know what confirmation value they chose and update db only if it was "yes".
$(document).ready(function () {
$('input[type=checkbox]').click(function(){
var areYouSure = confirm('Are you sure you want make this change?');
if (areYouSure) {
$(this).prop('checked', this.checked);
} else {
$(this).prop('checked', !this.checked);
}
});
});
<asp:CheckBox ID="chk" AutoPostBack="true" onCheckedChanged="chk_SelectedIndexChanged" runat="server" Checked='<%#Eval("FinancialAid") %>' />
protected void chk_SelectedIndexChanged(Object sender, EventArgs e)
{
using (myDataContext db = new myDataDataContext())
{
CheckBox chk = (CheckBox)sender;
RepeaterItem row = (RepeaterItem) chk.NamingContainer;
var studentID = ((Label) row.FindControl("lblID")).Text;
var z = (from b in db.StudentApplicants
where b.StudentID == studentID
select b).FirstOrDefault();
if(chk != null && chk.Checked != z.FinancialAid){
z.FinancialAid = chk.Checked;
z.ModifiedDate = DateTime.Now;
db.SubmitChanges();
BindGrid();
}
gvData.DataBind();
}
}
For CLI C++ (compiled with /clr) see this MSDN link.
In short, a property can be given the name "default":
ref class Class
{
public:
property System::String^ default[int i]
{
System::String^ get(int i) { return "hello world"; }
}
};
If you want to sum
all values of one column, it's more efficient to use DataFrame
's internal RDD
and reduce
.
import sqlContext.implicits._
import org.apache.spark.sql.functions._
val df = sc.parallelize(Array(10,2,3,4)).toDF("steps")
df.select(col("steps")).rdd.map(_(0).asInstanceOf[Int]).reduce(_+_)
//res1 Int = 19
public class takeimage extends Fragment {
private Uri mImageCaptureUri;
private static final int PICK_FROM_CAMERA = 1;
private static final int PICK_FROM_FILE = 2;
private String mPath;
private ImageView mImageView;
Bitmap bitmap = null;
View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
view = inflater.inflate(R.layout.activity_send_image, container, false);
final String[] items = new String[] { "From Camera", "From SD Card" };
mImageView = (ImageView)view.findViewById(R.id.iv_pic);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.select_dialog_item, items);
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle("Select Image");
builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
if (item == 0) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File file = new File(Environment.getExternalStorageDirectory(), "tmp_avatar_"
+ String.valueOf(System.currentTimeMillis())
+ ".jpg");
mImageCaptureUri = Uri.fromFile(file);
try {
intent.putExtra(
android.provider.MediaStore.EXTRA_OUTPUT,
mImageCaptureUri);
intent.putExtra("return-data", true);
getActivity().startActivityForResult(intent,
PICK_FROM_CAMERA);
} catch (Exception e) {
e.printStackTrace();
}
dialog.cancel();
} else {
Intent intent = new Intent();
intent.setType("image/*");
intent.setAction(Intent.ACTION_GET_CONTENT);
getActivity().startActivityForResult(
Intent.createChooser(intent,
"Complete action using"), PICK_FROM_FILE);
}
}
});
final AlertDialog dialog = builder.create();
Button show = (Button) view.findViewById(R.id.btn_choose);
show.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// Switch the tab content to display the list view.
dialog.show();
}
});
return view;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode != Activity.RESULT_OK)
return;
if (requestCode == PICK_FROM_FILE) {
mImageCaptureUri = data.getData();
// mPath = getRealPathFromURI(mImageCaptureUri); //from Gallery
if (mPath == null)
mPath = mImageCaptureUri.getPath(); // from File Manager
if (mPath != null)
bitmap = BitmapFactory.decodeFile(mPath);
} else {
mPath = mImageCaptureUri.getPath();
bitmap = BitmapFactory.decodeFile(mPath);
}
mImageView.setImageBitmap(bitmap);
}
public String getRealPathFromURI(Uri contentUri) {
String [] proj = {MediaStore.Images.Media.DATA};
Cursor cursor = managedQuery(contentUri, proj, null, null,null);
if (cursor == null) return null;
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
}
}
From where did you get the idea that you need to free(token)
and free(tk)
? You don't. strsep()
doesn't allocate memory, it only returns pointers inside the original string. Of course, those are not pointers allocated by malloc()
(or similar), so free()
ing them is undefined behavior. You only need to free(s)
when you are done with the entire string.
Also note that you don't need dynamic memory allocation at all in your example. You can avoid strdup()
and free()
altogether by simply writing char *s = p;
.
Adding this option for dealing with basic uint8 to byte[] conversion
foo := 255 // 1 - 255
ufoo := uint16(foo)
far := []byte{0,0}
binary.LittleEndian.PutUint16(far, ufoo)
bar := int(far[0]) // back to int
fmt.Println("foo, far, bar : ",foo,far,bar)
output :
foo, far, bar : 255 [255 0] 255
Had a similar problem where we wanted to update from deprecated Http module to HttpClient in Angular 7. But the application is large and need to change res.json() in a lot of places. So I did this to have the new module with back support.
return this.http.get(this.BASE_URL + url)
.toPromise()
.then(data=>{
let res = {'results': JSON.stringify(data),
'json': ()=>{return data;}
};
return res;
})
.catch(error => {
return Promise.reject(error);
});
Adding a dummy "json" named function from the central place so that all other services can still execute successfully before updating them to accommodate a new way of response handling i.e. without "json" function.
Try to use the following strategies in order to improve your app performance:
I did it! Using <intent-filter>
. Put the following into your manifest file:
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:host="www.youtube.com" android:scheme="http" />
</intent-filter>
This works perfectly!
String
A simple regex. See: How to check if a string contains only digits in Java. Use javax.constraints.Pattern.
How is the HashMap declaration expressed in that scope? It should be:
HashMap<String, ArrayList> dictMap
If not, it is assumed to be Objects.
For instance, if your code is:
HashMap dictMap = new HashMap<String, ArrayList>();
...
ArrayList current = dictMap.get(dictCode);
that will not work. Instead you want:
HashMap<String, ArrayList> dictMap = new HashMap<String, Arraylist>();
...
ArrayList current = dictMap.get(dictCode);
The way generics work is that the type information is available to the compiler, but is not available at runtime. This is called type erasure. The implementation of HashMap (or any other generics implementation) is dealing with Object. The type information is there for type safety checks during compile time. See the Generics documentation.
Also note that ArrayList
is also implemented as a generic class, and thus you might want to specify a type there as well. Assuming your ArrayList
contains your class MyClass
, the line above might be:
HashMap<String, ArrayList<MyClass>> dictMap
You can see the default value in Chrome in this link
int64_t g_used_idle_socket_timeout_s = 300 // 5 minutes
In Chrome, as far as I know, there isn't an easy way (as Firefox do) to change the timeout value.
If the first segment doesn't start with /
it is a relative route. router.navigate
needs a relativeTo
parameter for relative navigation
Either you make the route absolute:
this.router.navigate(['/foo-content', 'bar-contents', 'baz-content', 'page'], this.params.queryParams)
or you pass relativeTo
this.router.navigate(['../foo-content', 'bar-contents', 'baz-content', 'page'], {queryParams: this.params.queryParams, relativeTo: this.currentActivatedRoute})
See also
Through this code, you can get click count on a button.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Button</title>
<link rel="stylesheet" type="text/css" href="css/button.css">
</head>
<body>
<script src="js/button.js" type="text/javascript"></script>
<button id="btn" class="btnst" onclick="myFunction()">0</button>
</body>
</html>
----------JAVASCRIPT----------
let count = 0;
function myFunction() {
count+=1;
document.getElementById("btn").innerHTML = count;
}
in case u wanna do the validation for "some elements" (not all element) on your form.You can use this method:
$('input[name="element-one"], input[name="element-two"], input[name="element-three"]').valid();
Hope it help everybody :)
EDITED
<template>
Demo
"use strict";_x000D_
_x000D_
/**_x000D_
*_x000D_
* @author xgqfrms_x000D_
* @license MIT_x000D_
* @copyright xgqfrms_x000D_
* @description HTML5 Template_x000D_
* @augments_x000D_
* @example_x000D_
*_x000D_
*/_x000D_
_x000D_
/*_x000D_
_x000D_
<template>_x000D_
<h2>Flower</h2>_x000D_
<img src="https://www.w3schools.com/tags/img_white_flower.jpg">_x000D_
</template>_x000D_
_x000D_
_x000D_
<template>_x000D_
<div class="myClass">I like: </div>_x000D_
</template>_x000D_
_x000D_
*/_x000D_
_x000D_
const showContent = () => {_x000D_
// let temp = document.getElementsByTagName("template")[0],_x000D_
let temp = document.querySelector(`[data-tempalte="tempalte-img"]`),_x000D_
clone = temp.content.cloneNode(true);_x000D_
document.body.appendChild(clone);_x000D_
};_x000D_
_x000D_
const templateGenerator = (datas = [], debug = false) => {_x000D_
let result = ``;_x000D_
// let temp = document.getElementsByTagName("template")[1],_x000D_
let temp = document.querySelector(`[data-tempalte="tempalte-links"]`),_x000D_
item = temp.content.querySelector("div");_x000D_
for (let i = 0; i < datas.length; i++) {_x000D_
let a = document.importNode(item, true);_x000D_
a.textContent += datas[i];_x000D_
document.body.appendChild(a);_x000D_
}_x000D_
return result;_x000D_
};_x000D_
_x000D_
const arr = ["Audi", "BMW", "Ford", "Honda", "Jaguar", "Nissan"];_x000D_
_x000D_
if (document.createElement("template").content) {_x000D_
console.log("YES! The browser supports the template element");_x000D_
templateGenerator(arr);_x000D_
setTimeout(() => {_x000D_
showContent();_x000D_
}, 0);_x000D_
} else {_x000D_
console.error("No! The browser does not support the template element");_x000D_
}
_x000D_
@charset "UTf-8";_x000D_
_x000D_
/* test.css */_x000D_
_x000D_
:root {_x000D_
--cololr: #000;_x000D_
--default-cololr: #fff;_x000D_
--new-cololr: #0f0;_x000D_
}_x000D_
_x000D_
[data-class="links"] {_x000D_
color: white;_x000D_
background-color: DodgerBlue;_x000D_
padding: 20px;_x000D_
text-align: center;_x000D_
margin: 10px;_x000D_
}
_x000D_
<!DOCTYPE html>_x000D_
<html lang="zh-Hans">_x000D_
_x000D_
<head>_x000D_
<meta charset="UTF-8">_x000D_
<meta name="viewport" content="width=device-width, initial-scale=1.0">_x000D_
<meta http-equiv="X-UA-Compatible" content="ie=edge">_x000D_
<title>Template Test</title>_x000D_
<!--[if lt IE 9]>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.js"></script>_x000D_
<![endif]-->_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
<section>_x000D_
<h1>Template Test</h1>_x000D_
</section>_x000D_
<template data-tempalte="tempalte-img">_x000D_
<h3>Flower Image</h3>_x000D_
<img src="https://www.w3schools.com/tags/img_white_flower.jpg">_x000D_
</template>_x000D_
<template data-tempalte="tempalte-links">_x000D_
<h3>links</h3>_x000D_
<div data-class="links">I like: </div>_x000D_
</template>_x000D_
<!-- js -->_x000D_
</body>_x000D_
_x000D_
</html>
_x000D_
The recommended way to write validation and authorization logic is to put that logic in separate request classes. This way your controller code will remain clean.
You can create a request class by executing php artisan make:request SomeRequest
.
In each request class's rules()
method define your validation rules:
//SomeRequest.php
public function rules()
{
return [
"name" => [
'required',
'array', // input must be an array
'min:3' // there must be three members in the array
],
"name.*" => [
'required',
'string', // input must be of type string
'distinct', // members of the array must be unique
'min:3' // each string must have min 3 chars
]
];
}
In your controller write your route function like this:
// SomeController.php
public function store(SomeRequest $request)
{
// Request is already validated before reaching this point.
// Your controller logic goes here.
}
public function update(SomeRequest $request)
{
// It isn't uncommon for the same validation to be required
// in multiple places in the same controller. A request class
// can be beneficial in this way.
}
Each request class comes with pre- and post-validation hooks/methods which can be customized based on business logic and special cases in order to modify the normal behavior of request class.
You may create parent request classes for similar types of requests (e.g. web
and api
) requests and then encapsulate some common request logic in these parent classes.
As it has been explained here, beside of multiple extensions that perform ad or script blocking you may aware that this may happen by file names as below:
Particularly in the AdBlock Plus the character string "-300x600" is causing the Failed to Load Resource ERR_BLOCKED_BY_CLIENT problem.
As shown in the picture, some of the images were blocked because of the '-300x600' pattern in their name, that particular text pattern matches an expression list pattern in the AdBlock Plus.
If you need just to execute your VLC playback process and only give control back to your application process when it is done and nothing more complex, then i suppose you can use just:
system("The same thing you type into console");
Recursively
const toFormData = (f => f(f))(h => f => f(x => h(h)(f)(x)))(f => fd => pk => d => {_x000D_
if (d instanceof Object) {_x000D_
Object.keys(d).forEach(k => {_x000D_
const v = d[k]_x000D_
if (pk) k = `${pk}[${k}]`_x000D_
if (v instanceof Object && !(v instanceof Date) && !(v instanceof File)) {_x000D_
return f(fd)(k)(v)_x000D_
} else {_x000D_
fd.append(k, v)_x000D_
}_x000D_
})_x000D_
}_x000D_
return fd_x000D_
})(new FormData())()_x000D_
_x000D_
let data = {_x000D_
name: 'John',_x000D_
age: 30,_x000D_
colors: ['red', 'green', 'blue'],_x000D_
children: [_x000D_
{ name: 'Max', age: 3 },_x000D_
{ name: 'Madonna', age: 10 }_x000D_
]_x000D_
}_x000D_
console.log('data', data)_x000D_
document.getElementById("data").insertAdjacentHTML('beforeend', JSON.stringify(data))_x000D_
_x000D_
let formData = toFormData(data)_x000D_
_x000D_
for (let key of formData.keys()) {_x000D_
console.log(key, formData.getAll(key).join(','))_x000D_
document.getElementById("item").insertAdjacentHTML('beforeend', `<li>${key} = ${formData.getAll(key).join(',')}</li>`)_x000D_
}
_x000D_
<p id="data"></p>_x000D_
<ul id="item"></ul>
_x000D_
You can use:
Sub returnname(ByVal TableName As String)
MsgBox (Range("Table15").Rows.count)
End Sub
and call the function as below
Sub called()
returnname "Table15"
End Sub
I can see that the Debugger is retrieving 4 og:image
tags from your URL.
The first image is the largest and therefore takes longest to load. Try shrink that first image down or change the order to show a smaller image first.
This one helped me,
res.format({
json:function(){
var responseData = {};
responseData['status'] = 200;
responseData['outputPath'] = outputDirectoryPath;
responseData['sourcePath'] = url;
responseData['message'] = 'Scraping of requested resource initiated.';
responseData['logfile'] = logFileName;
res.json(JSON.stringify(responseData));
}
});
I had a similar issue using an X/Y chart but then also needed to calculate the correlation function on the two sets of Data.
=IF(A1>A2,A3,#N/A)
allows the chart to be plotted but correlation of X
& Y
fails.
I solved this by
=IF(A1>A2,A3,FALSE)
The FALSE can then be removed
using conditional formatting or other tricks
In UNIX systems, you can append to the LD_LIBRARY_PATH environment variable. On Windows, the JVM automatically sets the system property, java.library.path, to PATH; so if the dll is on your PATH, then you're set.
You could always try the Synth look & feel. You provide an xml file that acts as a sort of stylesheet, along with any images you want to use. The code might look like this:
try {
SynthLookAndFeel synth = new SynthLookAndFeel();
Class aClass = MainFrame.class;
InputStream stream = aClass.getResourceAsStream("\\default.xml");
if (stream == null) {
System.err.println("Missing configuration file");
System.exit(-1);
}
synth.load(stream, aClass);
UIManager.setLookAndFeel(synth);
} catch (ParseException pe) {
System.err.println("Bad configuration file");
pe.printStackTrace();
System.exit(-2);
} catch (UnsupportedLookAndFeelException ulfe) {
System.err.println("Old JRE in use. Get a new one");
System.exit(-3);
}
From there, go on and add your JButton like you normally would. The only change is that you use the setName(string) method to identify what the button should map to in the xml file.
The xml file might look like this:
<synth>
<style id="button">
<font name="DIALOG" size="12" style="BOLD"/>
<state value="MOUSE_OVER">
<imagePainter method="buttonBackground" path="dirt.png" sourceInsets="2 2 2 2"/>
<insets top="2" botton="2" right="2" left="2"/>
</state>
<state value="ENABLED">
<imagePainter method="buttonBackground" path="dirt.png" sourceInsets="2 2 2 2"/>
<insets top="2" botton="2" right="2" left="2"/>
</state>
</style>
<bind style="button" type="name" key="dirt"/>
</synth>
The bind element there specifies what to map to (in this example, it will apply that styling to any buttons whose name property has been set to "dirt").
And a couple of useful links:
http://javadesktop.org/articles/synth/
http://docs.oracle.com/javase/tutorial/uiswing/lookandfeel/synth.html
For copying data from source to destination:
use <DestinationDatabase>
select * into <DestinationTable> from <SourceDataBase>.dbo.<SourceTable>
Can you provide an example, because put should work fine as well?
Documentation -
The type of request to make ("POST" or "GET"); the default is "GET". Note: Other HTTP request methods, such as PUT and DELETE, can also be used here, but they are not supported by all browsers.
Have the example in fiddle and the form parameters are passed fine (as it is put it will not be appended to url
) -
$.ajax({
url: '/echo/html/',
type: 'PUT',
data: "name=John&location=Boston",
success: function(data) {
alert('Load was performed.');
}
});
Demo tested from jQuery 1.3.2 onwards on Chrome.
I'll assume that uninstall and reinstall Tomcat is not acceptable to you. The screen shot show basic auth challenge screen from browser and on the default app. So most likely you have set up users on the tomcat using the conf/tomcat-users.xml Try going through this guide https://tomcat.apache.org/tomcat-7.0-doc/realm-howto.html#UserDatabaseRealm
There are several other realms that you could have possibly used. Hopefully you will remember when you start reading the doc
check your project build in jdk 9 or not above that eclipse is having some issues with the modules. Change it to jdk 9 then it will run fine
When using Node.js, you can retrieve environment variables by key from the process.env
object:
for example
var mode = process.env.NODE_ENV;
var apiKey = process.env.apiKey; // '42348901293989849243'
Here is the answer that will explain setting environment variables in node.js
This question is tagged python-2.x
so it didn't seem right to tamper with the original question, or the accepted answer. However, Python 2 is now unsupported, and this question still has good google juice for "python csv urllib", so here's an updated Python 3 solution.
It's now necessary to decode urlopen
's response (in bytes) into a valid local encoding, so the accepted answer has to be modified slightly:
import csv, urllib.request
url = 'http://winterolympicsmedals.com/medals.csv'
response = urllib.request.urlopen(url)
lines = [l.decode('utf-8') for l in response.readlines()]
cr = csv.reader(lines)
for row in cr:
print(row)
Note the extra line beginning with lines =
, the fact that urlopen
is now in the urllib.request
module, and print
of course requires parentheses.
It's hardly advertised, but yes, csv.reader
can read from a list of strings.
And since someone else mentioned pandas, here's a one-liner to display the CSV in a console-friendly output:
python3 -c 'import pandas
df = pandas.read_csv("http://winterolympicsmedals.com/medals.csv")
print(df.to_string())'
(Yes, it's three lines, but you can copy-paste it as one command. ;)
You can create an array with all elements from a given Swift
Set
simply with
let array = Array(someSet)
This works because Set
conforms to the SequenceType
protocol
and an Array
can be initialized with a sequence. Example:
let mySet = Set(["a", "b", "a"]) // Set<String>
let myArray = Array(mySet) // Array<String>
print(myArray) // [b, a]
You have to implement KeyListener
,take a look here:
http://docs.oracle.com/javase/7/docs/api/java/awt/event/KeyListener.html
More details on how to use it: http://docs.oracle.com/javase/tutorial/uiswing/events/keylistener.html
This could be because of the reason that the credentials are saved and you need to update those credentials and you can do that by following the below steps
control panel-> credential manager ->under generic credential you will be able to see the credentials related to git
Try to update them if that does not work delete them and add new ones
for other platforms or different versions of the operating system you need to find out where the credentails are saved related to git and update them.
There are two flavors of table valued functions. One that is just a select statement and one that can have more rows than just a select statement.
This can not have a variable:
create function Func() returns table
as
return
select 10 as ColName
You have to do like this instead:
create function Func()
returns @T table(ColName int)
as
begin
declare @Var int
set @Var = 10
insert into @T(ColName) values (@Var)
return
end
You can directly declare an array of strings like string s[100];
.
Then if you want to access specific elements, you can get it directly like s[2][90]
. For iteration purposes, take the size of string using the
s[i].size()
function.
The optimal solution for this is provide it as '0' and while using string use it as 'null' when using integer.
ex:
INSERT INTO table_name(column_name) VALUES(NULL);
I needed the absolute total count after applying the aggregation. This worked for me:
db.mycollection.aggregate([
{
$group: {
_id: { field1: "$field1", field2: "$field2" },
}
},
{
$group: {
_id: null, count: { $sum: 1 }
}
}
])
Result:
{
"_id" : null,
"count" : 57.0
}
NOTE: For Swift 3. Your JSON String is returning Array instead of Dictionary. Please try out the following:
//Your JSON String to be parsed
let jsonString = "[{\"id\": \"1\", \"name\":\"Aaa\"}, {\"id\": \"2\", \"name\":\"Bbb\"}]";
//Converting Json String to NSData
let data = jsonString.data(using: .utf8)
do {
//Parsing data & get the Array
let jsonData = try JSONSerialization.jsonObject(with: data!, options: .allowFragments) as! [AnyObject]
//Print the whole array object
print(jsonData)
//Get the first object of the Array
let firstPerson = jsonData[0] as! [String:Any]
//Looping the (key,value) of first object
for (key, value) in firstPerson {
//Print the (key,value)
print("\(key) - \(value) ")
}
} catch let error as NSError {
//Print the error
print(error)
}
Try,
var newList =
(
from x in empCollection
select new {Loc = x.empLoc, PL = x.empPL, Shift = x.empShift}
).Distinct();
While it's not been too long that I made the switch to Rubymine, I found it challenging ignoring .idea files of Rubymine from been committed to git.
Here's how I fixed it
If you've not done any staging/commit at all, or you just spinned up a new project in Ruby mine, then simply do this
Option 1
Add the line below to the .gitignore file which is usually placed at the root of your repository.
# Ignore .idea files
.idea/
This will ensure that all .idea files are ignored from been tracked by git, although they will still remain in your project folder locally.
Option 2
If you've however done some staging/commit, or you just opened up an existing project in Ruby mine, then simply do this
Run the code in your terminal/command line
git rm -r --cached .idea
This deletes already tracked .idea files in git
Next, include .idea/ to the .gitignore file which is usually placed at the root of your repository.
# Ignore .idea files
.idea/
This will ensure that all .idea files are ignored from been tracked by git, although they will still remain in your project folder locally.
Option 3
If you've however done some staging/commit, or you just opened up an existing project in Ruby mine, and want to totally delete .idea files locally and in git, then simply do this
Run the code in your terminal/command line
git rm -r --cached .idea
This deletes already tracked .idea files in git
Run the code in your terminal/command line
rm -r .idea
This deletes all .idea files including the folder locally
Next, include .idea/ to the .gitignore file which is usually placed at the root of your repository.
# Ignore .idea files
.idea/
This will ensure that all .idea files are ignored from been tracked by git, and also deleted from your project folder locally.
That's all
I hope this helps
The default constructor for std::string always returns an object that is set to a null string.
If both exim and ssmtp are running, you may enter into troubles. So if you just want to run a simple MTA, just to have a simple smtp client to send email notifications for insistance, you shall purge the eventually preinstalled MTA like exim or postfix first and reinstall ssmtp.
Then it's quite straight forward, configuring only 2 files (revaliases and ssmtp.conf) - See ssmtp doc - , and usage in your bash or bourne script is like :
#!/bin/sh
SUBJECT=$1
RECEIVER=$2
TEXT=$3
SERVER_NAME=$HOSTNAME
SENDER=$(whoami)
USER="noreply"
[[ -z $1 ]] && SUBJECT="Notification from $SENDER on server $SERVER_NAME"
[[ -z $2 ]] && RECEIVER="another_configured_email_address"
[[ -z $3 ]] && TEXT="no text content"
MAIL_TXT="Subject: $SUBJECT\nFrom: $SENDER\nTo: $RECEIVER\n\n$TEXT"
echo -e $MAIL_TXT | sendmail -t
exit $?
Obviously do not forget to open your firewall output to the smtp port (25).
You can also use strdup:
char* p = strdup("abc");
You need to deserialize the JSON once before returning it as response. Please refer below code. This works for me:
JavaScriptSerializer jss = new JavaScriptSerializer();
Object finalData = jss.DeserializeObject(str);
Simply use the intValue method of Double
Double initialValue = 7.12;
int finalValue = initialValue.intValue();
For SQL Server 2000, this should tell you only the #temp tables in your session. (Adapted from my example for more modern versions of SQL Server here.) This assumes you don't name your tables with three consecutive underscores, like CREATE TABLE #foo___bar
:
SELECT
name = SUBSTRING(t.name, 1, CHARINDEX('___', t.name)-1),
t.id
FROM tempdb..sysobjects AS t
WHERE t.name LIKE '#%[_][_][_]%'
AND t.id =
OBJECT_ID('tempdb..' + SUBSTRING(t.name, 1, CHARINDEX('___', t.name)-1));
Add a reference to System.Web.dll and then you can use the System.Web.HtmlUtility class
json
is simplejson
, added to the stdlib. But since json
was added in 2.6, simplejson
has the advantage of working on more Python versions (2.4+).
simplejson
is also updated more frequently than Python, so if you need (or want) the latest version, it's best to use simplejson
itself, if possible.
A good practice, in my opinion, is to use one or the other as a fallback.
try:
import simplejson as json
except ImportError:
import json
Try adding JSON.stringify(result)
to convert the JS Object into a JSON string.
From your code I can see you are logging the result in error
which is called if the AJAX request fails, so I'm not sure how you'd go about accessing the id/name/etc. then (you are checking for success inside the error condition!).
Note that if you use Chrome's console you should be able to browse through the object without having to stringify the JSON, which makes it easier to debug.
If you are willing to make use of C++11 std::async
and std::future
for running your tasks, then you can utilize the wait_for
function of std::future
to check if the thread is still running in a neat way like this:
#include <future>
#include <thread>
#include <chrono>
#include <iostream>
int main() {
using namespace std::chrono_literals;
/* Run some task on new thread. The launch policy std::launch::async
makes sure that the task is run asynchronously on a new thread. */
auto future = std::async(std::launch::async, [] {
std::this_thread::sleep_for(3s);
return 8;
});
// Use wait_for() with zero milliseconds to check thread status.
auto status = future.wait_for(0ms);
// Print status.
if (status == std::future_status::ready) {
std::cout << "Thread finished" << std::endl;
} else {
std::cout << "Thread still running" << std::endl;
}
auto result = future.get(); // Get result.
}
If you must use std::thread
then you can use std::promise
to get a future object:
#include <future>
#include <thread>
#include <chrono>
#include <iostream>
int main() {
using namespace std::chrono_literals;
// Create a promise and get its future.
std::promise<bool> p;
auto future = p.get_future();
// Run some task on a new thread.
std::thread t([&p] {
std::this_thread::sleep_for(3s);
p.set_value(true); // Is done atomically.
});
// Get thread status using wait_for as before.
auto status = future.wait_for(0ms);
// Print status.
if (status == std::future_status::ready) {
std::cout << "Thread finished" << std::endl;
} else {
std::cout << "Thread still running" << std::endl;
}
t.join(); // Join thread.
}
Both of these examples will output:
Thread still running
This is of course because the thread status is checked before the task is finished.
But then again, it might be simpler to just do it like others have already mentioned:
#include <thread>
#include <atomic>
#include <chrono>
#include <iostream>
int main() {
using namespace std::chrono_literals;
std::atomic<bool> done(false); // Use an atomic flag.
/* Run some task on a new thread.
Make sure to set the done flag to true when finished. */
std::thread t([&done] {
std::this_thread::sleep_for(3s);
done = true;
});
// Print status.
if (done) {
std::cout << "Thread finished" << std::endl;
} else {
std::cout << "Thread still running" << std::endl;
}
t.join(); // Join thread.
}
Edit:
There's also the std::packaged_task
for use with std::thread
for a cleaner solution than using std::promise
:
#include <future>
#include <thread>
#include <chrono>
#include <iostream>
int main() {
using namespace std::chrono_literals;
// Create a packaged_task using some task and get its future.
std::packaged_task<void()> task([] {
std::this_thread::sleep_for(3s);
});
auto future = task.get_future();
// Run task on new thread.
std::thread t(std::move(task));
// Get thread status using wait_for as before.
auto status = future.wait_for(0ms);
// Print status.
if (status == std::future_status::ready) {
// ...
}
t.join(); // Join thread.
}
This is my edited version : you just need to add an extra argument "autoClose".
example :
$('input[name="fieldName"]').datepicker({ autoClose: true});
also you can specify a close callback if you want. :)
replace datepicker.js with this:
!function( $ ) {
// Picker object
var Datepicker = function(element, options , closeCallBack){
this.element = $(element);
this.format = DPGlobal.parseFormat(options.format||this.element.data('date-format')||'dd/mm/yyyy');
this.autoClose = options.autoClose||this.element.data('date-autoClose')|| true;
this.closeCallback = closeCallBack || function(){};
this.picker = $(DPGlobal.template)
.appendTo('body')
.on({
click: $.proxy(this.click, this)//,
//mousedown: $.proxy(this.mousedown, this)
});
this.isInput = this.element.is('input');
this.component = this.element.is('.date') ? this.element.find('.add-on') : false;
if (this.isInput) {
this.element.on({
focus: $.proxy(this.show, this),
//blur: $.proxy(this.hide, this),
keyup: $.proxy(this.update, this)
});
} else {
if (this.component){
this.component.on('click', $.proxy(this.show, this));
} else {
this.element.on('click', $.proxy(this.show, this));
}
}
this.minViewMode = options.minViewMode||this.element.data('date-minviewmode')||0;
if (typeof this.minViewMode === 'string') {
switch (this.minViewMode) {
case 'months':
this.minViewMode = 1;
break;
case 'years':
this.minViewMode = 2;
break;
default:
this.minViewMode = 0;
break;
}
}
this.viewMode = options.viewMode||this.element.data('date-viewmode')||0;
if (typeof this.viewMode === 'string') {
switch (this.viewMode) {
case 'months':
this.viewMode = 1;
break;
case 'years':
this.viewMode = 2;
break;
default:
this.viewMode = 0;
break;
}
}
this.startViewMode = this.viewMode;
this.weekStart = options.weekStart||this.element.data('date-weekstart')||0;
this.weekEnd = this.weekStart === 0 ? 6 : this.weekStart - 1;
this.onRender = options.onRender;
this.fillDow();
this.fillMonths();
this.update();
this.showMode();
};
Datepicker.prototype = {
constructor: Datepicker,
show: function(e) {
this.picker.show();
this.height = this.component ? this.component.outerHeight() : this.element.outerHeight();
this.place();
$(window).on('resize', $.proxy(this.place, this));
if (e ) {
e.stopPropagation();
e.preventDefault();
}
if (!this.isInput) {
}
var that = this;
$(document).on('mousedown', function(ev){
if ($(ev.target).closest('.datepicker').length == 0) {
that.hide();
}
});
this.element.trigger({
type: 'show',
date: this.date
});
},
hide: function(){
this.picker.hide();
$(window).off('resize', this.place);
this.viewMode = this.startViewMode;
this.showMode();
if (!this.isInput) {
$(document).off('mousedown', this.hide);
}
//this.set();
this.element.trigger({
type: 'hide',
date: this.date
});
},
set: function() {
var formated = DPGlobal.formatDate(this.date, this.format);
if (!this.isInput) {
if (this.component){
this.element.find('input').prop('value', formated);
}
this.element.data('date', formated);
} else {
this.element.prop('value', formated);
}
},
setValue: function(newDate) {
if (typeof newDate === 'string') {
this.date = DPGlobal.parseDate(newDate, this.format);
} else {
this.date = new Date(newDate);
}
this.set();
this.viewDate = new Date(this.date.getFullYear(), this.date.getMonth(), 1, 0, 0, 0, 0);
this.fill();
},
place: function(){
var offset = this.component ? this.component.offset() : this.element.offset();
this.picker.css({
top: offset.top + this.height,
left: offset.left
});
},
update: function(newDate){
this.date = DPGlobal.parseDate(
typeof newDate === 'string' ? newDate : (this.isInput ? this.element.prop('value') : this.element.data('date')),
this.format
);
this.viewDate = new Date(this.date.getFullYear(), this.date.getMonth(), 1, 0, 0, 0, 0);
this.fill();
},
fillDow: function(){
var dowCnt = this.weekStart;
var html = '<tr>';
while (dowCnt < this.weekStart + 7) {
html += '<th class="dow">'+DPGlobal.dates.daysMin[(dowCnt++)%7]+'</th>';
}
html += '</tr>';
this.picker.find('.datepicker-days thead').append(html);
},
fillMonths: function(){
var html = '';
var i = 0
while (i < 12) {
html += '<span class="month">'+DPGlobal.dates.monthsShort[i++]+'</span>';
}
this.picker.find('.datepicker-months td').append(html);
},
fill: function() {
var d = new Date(this.viewDate),
year = d.getFullYear(),
month = d.getMonth(),
currentDate = this.date.valueOf();
this.picker.find('.datepicker-days th:eq(1)')
.text(DPGlobal.dates.months[month]+' '+year);
var prevMonth = new Date(year, month-1, 28,0,0,0,0),
day = DPGlobal.getDaysInMonth(prevMonth.getFullYear(), prevMonth.getMonth());
prevMonth.setDate(day);
prevMonth.setDate(day - (prevMonth.getDay() - this.weekStart + 7)%7);
var nextMonth = new Date(prevMonth);
nextMonth.setDate(nextMonth.getDate() + 42);
nextMonth = nextMonth.valueOf();
var html = [];
var clsName,
prevY,
prevM;
while(prevMonth.valueOf() < nextMonth) {zs
if (prevMonth.getDay() === this.weekStart) {
html.push('<tr>');
}
clsName = this.onRender(prevMonth);
prevY = prevMonth.getFullYear();
prevM = prevMonth.getMonth();
if ((prevM < month && prevY === year) || prevY < year) {
clsName += ' old';
} else if ((prevM > month && prevY === year) || prevY > year) {
clsName += ' new';
}
if (prevMonth.valueOf() === currentDate) {
clsName += ' active';
}
html.push('<td class="day '+clsName+'">'+prevMonth.getDate() + '</td>');
if (prevMonth.getDay() === this.weekEnd) {
html.push('</tr>');
}
prevMonth.setDate(prevMonth.getDate()+1);
}
this.picker.find('.datepicker-days tbody').empty().append(html.join(''));
var currentYear = this.date.getFullYear();
var months = this.picker.find('.datepicker-months')
.find('th:eq(1)')
.text(year)
.end()
.find('span').removeClass('active');
if (currentYear === year) {
months.eq(this.date.getMonth()).addClass('active');
}
html = '';
year = parseInt(year/10, 10) * 10;
var yearCont = this.picker.find('.datepicker-years')
.find('th:eq(1)')
.text(year + '-' + (year + 9))
.end()
.find('td');
year -= 1;
for (var i = -1; i < 11; i++) {
html += '<span class="year'+(i === -1 || i === 10 ? ' old' : '')+(currentYear === year ? ' active' : '')+'">'+year+'</span>';
year += 1;
}
yearCont.html(html);
},
click: function(e) {
e.stopPropagation();
e.preventDefault();
var target = $(e.target).closest('span, td, th');
if (target.length === 1) {
switch(target[0].nodeName.toLowerCase()) {
case 'th':
switch(target[0].className) {
case 'switch':
this.showMode(1);
break;
case 'prev':
case 'next':
this.viewDate['set'+DPGlobal.modes[this.viewMode].navFnc].call(
this.viewDate,
this.viewDate['get'+DPGlobal.modes[this.viewMode].navFnc].call(this.viewDate) +
DPGlobal.modes[this.viewMode].navStep * (target[0].className === 'prev' ? -1 : 1)
);
this.fill();
this.set();
break;
}
break;
case 'span':
if (target.is('.month')) {
var month = target.parent().find('span').index(target);
this.viewDate.setMonth(month);
} else {
var year = parseInt(target.text(), 10)||0;
this.viewDate.setFullYear(year);
}
if (this.viewMode !== 0) {
this.date = new Date(this.viewDate);
this.element.trigger({
type: 'changeDate',
date: this.date,
viewMode: DPGlobal.modes[this.viewMode].clsName
});
}
this.showMode(-1);
this.fill();
this.set();
break;
case 'td':
if (target.is('.day') && !target.is('.disabled')){
var day = parseInt(target.text(), 10)||1;
var month = this.viewDate.getMonth();
if (target.is('.old')) {
month -= 1;
} else if (target.is('.new')) {
month += 1;
}
var year = this.viewDate.getFullYear();
this.date = new Date(year, month, day,0,0,0,0);
this.viewDate = new Date(year, month, Math.min(28, day),0,0,0,0);
this.fill();
this.set();
this.element.trigger({
type: 'changeDate',
date: this.date,
viewMode: DPGlobal.modes[this.viewMode].clsName
});
if(this.autoClose === true){
this.hide();
this.closeCallback();
}
}
break;
}
}
},
mousedown: function(e){
e.stopPropagation();
e.preventDefault();
},
showMode: function(dir) {
if (dir) {
this.viewMode = Math.max(this.minViewMode, Math.min(2, this.viewMode + dir));
}
this.picker.find('>div').hide().filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName).show();
}
};
$.fn.datepicker = function ( option, val ) {
return this.each(function () {
var $this = $(this);
var datePicker = $this.data('datepicker');
var options = typeof option === 'object' && option;
if (!datePicker) {
if (typeof val === 'function')
$this.data('datepicker', (datePicker = new Datepicker(this, $.extend({}, $.fn.datepicker.defaults,options),val)));
else{
$this.data('datepicker', (datePicker = new Datepicker(this, $.extend({}, $.fn.datepicker.defaults,options))));
}
}
if (typeof option === 'string') datePicker[option](val);
});
};
$.fn.datepicker.defaults = {
onRender: function(date) {
return '';
}
};
$.fn.datepicker.Constructor = Datepicker;
var DPGlobal = {
modes: [
{
clsName: 'days',
navFnc: 'Month',
navStep: 1
},
{
clsName: 'months',
navFnc: 'FullYear',
navStep: 1
},
{
clsName: 'years',
navFnc: 'FullYear',
navStep: 10
}],
dates:{
days: ["Dimanche", "Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi", "Dimanche"],
daysShort: ["Dim", "Lun", "Mar", "Mer", "Jeu", "Ven", "Sam", "Dim"],
daysMin: ["D", "L", "Ma", "Me", "J", "V", "S", "D"],
months: ["Janvier", "Février", "Mars", "Avril", "Mai", "Juin", "Juillet", "Août", "Septembre", "Octobre", "Novembre", "Décembre"],
monthsShort: ["Jan", "Fév", "Mar", "Avr", "Mai", "Jui", "Jul", "Aou", "Sep", "Oct", "Nov", "Déc"],
today: "Aujourd'hui",
clear: "Effacer",
weekStart: 1,
format: "dd/mm/yyyy"
},
isLeapYear: function (year) {
return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0))
},
getDaysInMonth: function (year, month) {
return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month]
},
parseFormat: function(format){
var separator = format.match(/[.\/\-\s].*?/),
parts = format.split(/\W+/);
if (!separator || !parts || parts.length === 0){
throw new Error("Invalid date format.");
}
return {separator: separator, parts: parts};
},
parseDate: function(date, format) {
var parts = date.split(format.separator),
date = new Date(),
val;
date.setHours(0);
date.setMinutes(0);
date.setSeconds(0);
date.setMilliseconds(0);
if (parts.length === format.parts.length) {
var year = date.getFullYear(), day = date.getDate(), month = date.getMonth();
for (var i=0, cnt = format.parts.length; i < cnt; i++) {
val = parseInt(parts[i], 10)||1;
switch(format.parts[i]) {
case 'dd':
case 'd':
day = val;
date.setDate(val);
break;
case 'mm':
case 'm':
month = val - 1;
date.setMonth(val - 1);
break;
case 'yy':
year = 2000 + val;
date.setFullYear(2000 + val);
break;
case 'yyyy':
year = val;
date.setFullYear(val);
break;
}
}
date = new Date(year, month, day, 0 ,0 ,0);
}
return date;
},
formatDate: function(date, format){
var val = {
d: date.getDate(),
m: date.getMonth() + 1,
yy: date.getFullYear().toString().substring(2),
yyyy: date.getFullYear()
};
val.dd = (val.d < 10 ? '0' : '') + val.d;
val.mm = (val.m < 10 ? '0' : '') + val.m;
var date = [];
for (var i=0, cnt = format.parts.length; i < cnt; i++) {
date.push(val[format.parts[i]]);
}
return date.join(format.separator);
},
headTemplate: '<thead>'+
'<tr>'+
'<th class="prev">‹</th>'+
'<th colspan="5" class="switch"></th>'+
'<th class="next">›</th>'+
'</tr>'+
'</thead>',
contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>'
};
DPGlobal.template = '<div class="datepicker dropdown-menu">'+
'<div class="datepicker-days">'+
'<table class=" table-condensed">'+
DPGlobal.headTemplate+
'<tbody></tbody>'+
'</table>'+
'</div>'+
'<div class="datepicker-months">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
'</table>'+
'</div>'+
'<div class="datepicker-years">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
'</table>'+
'</div>'+
'</div>';
}( window.jQuery );
You can create a custom directive that is somehow similar to ng-disabled and disable a specific set of elements by:
my-disabled
.HTML
<a my-disabled="disableCreate" href="#" ng-click="disableEdit = true">CREATE</a><br/>
<a my-disabled="disableEdit" href="#" ng-click="disableCreate = true">EDIT</a><br/>
<a my-disabled="disableCreate || disableEdit" href="#">DELETE</a><br/>
<a href="#" ng-click="disableEdit = false; disableCreate = false;">RESET</a>
JAVASCRIPT
directive('myDisabled', function() {
return {
link: function(scope, elem, attr) {
var color = elem.css('color'),
textDecoration = elem.css('text-decoration'),
cursor = elem.css('cursor'),
// double negation for non-boolean attributes e.g. undefined
currentValue = !!scope.$eval(attr.myDisabled),
current = elem[0],
next = elem[0].cloneNode(true);
var nextElem = angular.element(next);
nextElem.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
});
nextElem.css('color', 'gray');
nextElem.css('text-decoration', 'line-through');
nextElem.css('cursor', 'not-allowed');
nextElem.attr('tabindex', -1);
scope.$watch(attr.myDisabled, function(value) {
// double negation for non-boolean attributes e.g. undefined
value = !!value;
if(currentValue != value) {
currentValue = value;
current.parentNode.replaceChild(next, current);
var temp = current;
current = next;
next = temp;
}
})
}
}
});
If you are using Python 3, you can use urllib.parse
url = """example.com?title=%D0%BF%D1%80%D0%B0%D0%B2%D0%BE%D0%B2%D0%B0%D1%8F+%D0%B7%D0%B0%D1%89%D0%B8%D1%82%D0%B0"""
import urllib.parse
urllib.parse.unquote(url)
gives:
'example.com?title=????????+??????'