This is a simplified method:
svg{
font : bold 70px Century Gothic, Arial;
width : 100%;
height : 120px;
}
text{
fill : none;
stroke : black;
stroke-width : .5px;
stroke-linejoin : round;
animation : 2s pulsate infinite;
}
@keyframes pulsate {
50%{ stroke-width:5px }
}
_x000D_
<svg viewBox="0 0 450 50">
<text y="50">Scalable Title</text>
</svg>
_x000D_
Here's a more complex demo.
Let's say you're opening the file with a with
statement like you should be. Then you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to read data that you write after this point
f.write('somedata\n')
f.seek(0) # Important: return to the top of the file before reading, otherwise you'll just read an empty string
data = f.read() # Returns 'somedata\n'
Note the f.seek(0)
-- if you forget this, the f.read()
call will try to read from the end of the file, and will return an empty string.
You could simply use
return
which does exactly the same as
return None
Your function will also return None
if execution reaches the end of the function body without hitting a return
statement. Returning nothing is the same as returning None
in Python.
From GIT documentation: Git Docs
Below gives the full information. In short, simple
will only push the current working branch
and even then only if it also has the same name on the remote. This is a very good setting for beginners and will become the default in GIT 2.0
Whereas matching
will push all branches locally that have the same name on the remote. (Without regard to your current working branch ). This means potentially many different branches will be pushed, including those that you might not even want to share.
In my personal usage, I generally use a different option: current
which pushes the current working branch, (because I always branch for any changes). But for a beginner I'd suggest simple
push.default
Defines the action git push should take if no refspec is explicitly given. Different values are well-suited for specific workflows; for instance, in a purely central workflow (i.e. the fetch source is equal to the push destination), upstream is probably what you want. Possible values are:nothing - do not push anything (error out) unless a refspec is explicitly given. This is primarily meant for people who want to avoid mistakes by always being explicit.
current - push the current branch to update a branch with the same name on the receiving end. Works in both central and non-central workflows.
upstream - push the current branch back to the branch whose changes are usually integrated into the current branch (which is called @{upstream}). This mode only makes sense if you are pushing to the same repository you would normally pull from (i.e. central workflow).
simple - in centralized workflow, work like upstream with an added safety to refuse to push if the upstream branch's name is different from the local one.
When pushing to a remote that is different from the remote you normally pull from, work as current. This is the safest option and is suited for beginners.
This mode will become the default in Git 2.0.
matching - push all branches having the same name on both ends. This makes the repository you are pushing to remember the set of branches that will be pushed out (e.g. if you always push maint and master there and no other branches, the repository you push to will have these two branches, and your local maint and master will be pushed there).
To use this mode effectively, you have to make sure all the branches you would push out are ready to be pushed out before running git push, as the whole point of this mode is to allow you to push all of the branches in one go. If you usually finish work on only one branch and push out the result, while other branches are unfinished, this mode is not for you. Also this mode is not suitable for pushing into a shared central repository, as other people may add new branches there, or update the tip of existing branches outside your control.
This is currently the default, but Git 2.0 will change the default to simple.
No, the methods don't need to be synchronized, and you don't need to define any methods; they are already in ConcurrentLinkedQueue, just use them. ConcurrentLinkedQueue does all the locking and other operations you need internally; your producer(s) adds data into the queue, and your consumers poll for it.
First, create your queue:
Queue<YourObject> queue = new ConcurrentLinkedQueue<YourObject>();
Now, wherever you are creating your producer/consumer objects, pass in the queue so they have somewhere to put their objects (you could use a setter for this, instead, but I prefer to do this kind of thing in a constructor):
YourProducer producer = new YourProducer(queue);
and:
YourConsumer consumer = new YourConsumer(queue);
and add stuff to it in your producer:
queue.offer(myObject);
and take stuff out in your consumer (if the queue is empty, poll() will return null, so check it):
YourObject myObject = queue.poll();
For more info see the Javadoc
If you need to block waiting for the queue to not be empty, you probably want to use a LinkedBlockingQueue, and use the take() method. However, LinkedBlockingQueue has a maximum capacity (defaults to Integer.MAX_VALUE, which is over two billion) and thus may or may not be appropriate depending on your circumstances.
If you only have one thread putting stuff into the queue, and another thread taking stuff out of the queue, ConcurrentLinkedQueue is probably overkill. It's more for when you may have hundreds or even thousands of threads accessing the queue at the same time. Your needs will probably be met by using:
Queue<YourObject> queue = Collections.synchronizedList(new LinkedList<YourObject>());
A plus of this is that it locks on the instance (queue), so you can synchronize on queue to ensure atomicity of composite operations (as explained by Jared). You CANNOT do this with a ConcurrentLinkedQueue, as all operations are done WITHOUT locking on the instance (using java.util.concurrent.atomic variables). You will NOT need to do this if you want to block while the queue is empty, because poll() will simply return null while the queue is empty, and poll() is atomic. Check to see if poll() returns null. If it does, wait(), then try again. No need to lock.
Honestly, I'd just use a LinkedBlockingQueue. It is still overkill for your application, but odds are it will work fine. If it isn't performant enough (PROFILE!), you can always try something else, and it means you don't have to deal with ANY synchronized stuff:
BlockingQueue<YourObject> queue = new LinkedBlockingQueue<YourObject>();
queue.put(myObject); // Blocks until queue isn't full.
YourObject myObject = queue.take(); // Blocks until queue isn't empty.
Everything else is the same. Put probably won't block, because you aren't likely to put two billion objects into the queue.
Regarding git fetch -p
, its behavior changed in Git 1.9, and only Git 2.9.x/2.10 reflects that.
See commit 9e70233 (13 Jun 2016) by Jeff King (peff
).
(Merged by Junio C Hamano -- gitster
-- in commit 1c22105, 06 Jul 2016)
fetch
: document that pruning happens before fetchingThis was changed in 10a6cc8 (
fetch --prune
: Run prune before fetching, 2014-01-02), but it seems that nobody in that discussion realized we were advertising the "after" explicitly.
So the documentation now states:
Before fetching, remove any remote-tracking references that no longer exist on the remote
That is because:
When we have a remote-tracking branch named "
frotz/nitfol
" from a previous fetch, and the upstream now has a branch named "frotz
", fetch would fail to remove "frotz/nitfol
" with a "git fetch --prune
" from the upstream. git would inform the user to use "git remote prune
" to fix the problem.Change the way "
fetch --prune
" works by moving the pruning operation before the fetching operation. This way, instead of warning the user of a conflict, it automatically fixes it.
I think Nosql is "more suitable" in these scenarios at least (more supplementary is welcome)
Easy to scale horizontally by just adding more nodes.
Query on large data set
Imagine tons of tweets posted on twitter every day. In RDMS, there could be tables with millions (or billions?) of rows, and you don't want to do query on those tables directly, not even mentioning, most of time, table joins are also needed for complex queries.
Disk I/O bottleneck
If a website needs to send results to different users based on users' real-time info, we are probably talking about tens or hundreds of thousands of SQL read/write requests per second. Then disk i/o will be a serious bottleneck.
As you stated, a checkout includes the .svn directories. Thus it is a working copy and will have the proper information to make commits back (if you have permission). If you do an export you are just taking a copy of the current state of the repository and will not have any way to commit back any changes.
You need to fix the source of the string in the first place.
A string in .NET is actually just an array of 16-bit unicode code-points, characters, so a string isn't in any particular encoding.
It's when you take that string and convert it to a set of bytes that encoding comes into play.
In any case, the way you did it, encoded a string to a byte array with one character set, and then decoding it with another, will not work, as you see.
Can you tell us more about where that original string comes from, and why you think it has been encoded wrong?
Use attribute binding syntax instead
<ol class="viewer-nav"><li *ngFor="let section of sections"
[attr.data-sectionvalue]="section.value">{{ section.text }}</li>
</ol>
or
<ol class="viewer-nav"><li *ngFor="let section of sections"
attr.data-sectionvalue="{{section.value}}">{{ section.text }}</li>
</ol>
Happened with me twice when I refractor (Rename with SHIFT + F6) the name of a field in our files and it asks you to change it everywhere and we without paying attention change the name everywhere. For example, if you have a variable name "id" in your Java class and you rename it with SHIFT + F6. If you don't pay attention to the next dialog which will ask you wherever else it is going to change the id and you tick check all it will change all the id in your layout files from the new value.
The configuration here is working for me:
configurations {
customProvidedRuntime
}
dependencies {
compile(
// Spring Boot dependencies
)
customProvidedRuntime('org.springframework.boot:spring-boot-starter-tomcat')
}
war {
classpath = files(configurations.runtime.minus(configurations.customProvidedRuntime))
}
springBoot {
providedConfiguration = "customProvidedRuntime"
}
If you don't know the number of the plots you are going to plot you can change the colours once you have plotted them retrieving the number directly from the plot using .lines
, I use this solution:
import matplotlib.pyplot as plt
import numpy as np
fig1 = plt.figure()
ax1 = fig1.add_subplot(111)
for i in range(1,15):
ax1.plot(np.array([1,5])*i,label=i)
colormap = plt.cm.gist_ncar #nipy_spectral, Set1,Paired
colors = [colormap(i) for i in np.linspace(0, 1,len(ax1.lines))]
for i,j in enumerate(ax1.lines):
j.set_color(colors[i])
ax1.legend(loc=2)
Yes, it is called Inline CSS, Here you styling the div
using some height, width, and background.
Here the example:
<div style="width:50px;height:50px;background color:red">
You can achieve same using Internal or External CSS
2.Internal CSS:
<head>
<style>
div {
height:50px;
width:50px;
background-color:red;
foreground-color:white;
}
</style>
</head>
<body>
<div></div>
</body>
3.External CSS:
<head>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div></div>
</body>
style.css /external css file/
div {
height:50px;
width:50px;
background-color:red;
}
Jon Skeet has written a library called morelinq which has a DistinctBy()
operator. See here for the implementation. Your code would look like
IEnumerable<Note> distinctNotes = Notes.DistinctBy(note => note.Author);
Update: After re-reading your question, Kirk has the correct answer if you're just looking for a distinct set of Authors.
Added sample, several fields in DistinctBy:
res = res.DistinctBy(i => i.Name).DistinctBy(i => i.ProductId).ToList();
A string in Javascript is already a character array.
You can simply access any character in the array as you would any other array.
var s = "overpopulation";
alert(s[0]) // alerts o.
UPDATE
As is pointed out in the comments below, the above method for accessing a character in a string is part of ECMAScript 5 which certain browsers may not conform to.
An alternative method you can use is charAt(index)
.
var s = "overpopulation";
alert(s.charAt(0)) // alerts o.
Try with Contains
function;
Determines whether a sequence contains a specified element.
var allowedStatus = new[]{ "A", "B", "C" };
var filteredOrders = orders.Order.Where(o => allowedStatus.Contains(o.StatusCode));
Instead of using this
as the accepted answer suggests, use $parent
instead. So in your partial1.html
you'll have:
<form ng-submit="$parent.addLine()">
<input type="text" ng-model="$parent.lineText" size="30" placeholder="Type your message here">
</form>
If you want to learn more about the scope in ng-include
or other directives, check this out: https://github.com/angular/angular.js/wiki/Understanding-Scopes#ng-include
To return a value from a VBScript function, assign the value to the name of the function, like this:
Function getNumber
getNumber = "423"
End Function
These are all a matter of convenience.
Basically, if the question were 'Do we need to use body-parser
?' The answer is 'No'. We can come up with the same information from the client-post-request using a more circuitous route that will generally be less flexible and will increase the amount of code we have to write to get the same information.
This is kind of the same as asking 'Do we need to use express
to begin with?' Again, the answer there is no, and again, really it all comes down to saving us the hassle of writing more code to do the basic things that express comes with 'built-in'.
On the surface - body-parser
makes it easier to get at the information contained in client requests in a variety of formats instead of making you capture the raw data streams and figuring out what format the information is in, much less manually parsing that information into useable data.
Problem statement – Getting java.awt.HeadlessException while trying to initialize java.awt.Component from the application as the tomcat environment does not have any head(terminal).
Issue – The linux virtual environment was setup without a virtual display terminal. Tried to install virtual display – Xvfb, but Xvfb has been taken off by the redhat community.
Solution – Installed ‘xorg-x11-drv-vmware.x86_64’ using yum install xorg-x11-drv-vmware.x86_64 and executed startx. Finally set the display to :0.0 using export DISPLAY=:0.0 and then executed xhost +
This should work...
var displayDate = new Date().toLocaleDateString();
alert(displayDate);
But I suspect you are trying it on something else, for example:
var displayDate = Date.now.toLocaleDateString(); // No!
alert(displayDate);
this is my solution
JTextField username = new JTextField();
JTextField password = new JPasswordField();
Object[] message = {
"Username:", username,
"Password:", password
};
int option = JOptionPane.showConfirmDialog(null, message, "Login", JOptionPane.OK_CANCEL_OPTION);
if (option == JOptionPane.OK_OPTION) {
if (username.getText().equals("h") && password.getText().equals("h")) {
System.out.println("Login successful");
} else {
System.out.println("login failed");
}
} else {
System.out.println("Login canceled");
}
You have to do this:
class Bar : public Foo
{
// ...
}
The default inheritance type of a class
in C++ is private
, so any public
and protected
members from the base class are limited to private
. struct
inheritance on the other hand is public
by default.
This is the most common technique I've seen:
function getUserIP() {
if( array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER) && !empty($_SERVER['HTTP_X_FORWARDED_FOR']) ) {
if (strpos($_SERVER['HTTP_X_FORWARDED_FOR'], ',')>0) {
$addr = explode(",",$_SERVER['HTTP_X_FORWARDED_FOR']);
return trim($addr[0]);
} else {
return $_SERVER['HTTP_X_FORWARDED_FOR'];
}
}
else {
return $_SERVER['REMOTE_ADDR'];
}
}
Note that it does not guarantee it you will get always the correct user IP because there are many ways to hide it.
Step 1: Build a checked/unchecked selector:
selector.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:color="@color/yellow" android:state_checked="true" />
<item android:color="@color/white" android:state_checked="false" />
</selector>
Step 2: use the xml attribute app:itemTextColor
within NavigationView
widget for selecting the text color.
<android.support.design.widget.NavigationView
android:id="@+id/nav_view"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="start"
app:headerLayout="@layout/navigation_header_layout"
app:itemTextColor="@drawable/selector"
app:menu="@menu/navigation_menu" />
Step 3:
For some reason when you hit an item from the NavigationView
menu, it doesn't consider this as a button check. So you need to manually get the selected item checked and clear the previously selected item. Use below listener to do that
@Override
public boolean onNavigationItemSelected(@NonNull MenuItem item) {
int id = item.getItemId();
// remove all colors of the items to the `unchecked` state of the selector
removeColor(mNavigationView);
// check the selected item to change its color set by the `checked` state of the selector
item.setChecked(true);
switch (item.getItemId()) {
case R.id.dashboard:
...
}
drawerLayout.closeDrawer(GravityCompat.START);
return true;
}
private void removeColor(NavigationView view) {
for (int i = 0; i < view.getMenu().size(); i++) {
MenuItem item = view.getMenu().getItem(i);
item.setChecked(false);
}
}
Step 4:
To change icon color, use the app:iconTint
attribute in the NavigationView
menu items, and set to the same selector.
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<item
android:id="@+id/nav_account"
android:checked="true"
android:icon="@drawable/ic_person_black_24dp"
android:title="My Account"
app:iconTint="@drawable/selector" />
<item
android:id="@+id/nav_settings"
android:icon="@drawable/ic_settings_black_24dp"
android:title="Settings"
app:iconTint="@drawable/selector" />
<item
android:id="@+id/nav_logout"
android:icon="@drawable/logout"
android:title="Log Out"
app:iconTint="@drawable/selector" />
</menu>
Result:
If you want to read the whole file into a variable:
#!/bin/bash
value=`cat sources.xml`
echo $value
If you want to read it line-by-line:
while read line; do
echo $line
done < file.txt
Why make it so complicated? You can use this instead:
import UIKit
let PI = 3.14159265359
round( PI ) // 3.0 rounded to the nearest decimal
round( PI * 100 ) / 100 //3.14 rounded to the nearest hundredth
round( PI * 1000 ) / 1000 // 3.142 rounded to the nearest thousandth
See it work in Playground.
PS: Solution from: http://rrike.sh/xcode/rounding-various-decimal-places-swift/
In my case It was totally different since I was not having activity to launch the service in Oreo.
Below are the steps which I used to resolve this foreground service issue -
public class SocketService extends Service {
private String TAG = this.getClass().getSimpleName();
@Override
public void onCreate() {
Log.d(TAG, "Inside onCreate() API");
if (Build.VERSION.SDK_INT >= 26) {
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this);
mBuilder.setSmallIcon(R.drawable.ic_launcher);
mBuilder.setContentTitle("Notification Alert, Click Me!");
mBuilder.setContentText("Hi, This is Android Notification Detail!");
NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
// notificationID allows you to update the notification later on.
mNotificationManager.notify(100, mBuilder.build());
startForeground(100, mBuilder.mNotification);
}
Toast.makeText(getApplicationContext(), "inside onCreate()", Toast.LENGTH_LONG).show();
}
@Override
public int onStartCommand(Intent resultIntent, int resultCode, int startId) {
Log.d(TAG, "inside onStartCommand() API");
return startId;
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "inside onDestroy() API");
}
@Override
public IBinder onBind(Intent intent) {
// TODO Auto-generated method stub
return null;
}
}
And after that to initiate this service I triggered below cmd -
adb -s " + serial_id + " shell am startforegroundservice -n com.test.socket.sample/.SocketService
So this helps me to start service without activity on Oreo devices :)
If you don't have access to the classes to change the properties, or don't want to always use the same rename property, renaming can also be done by creating a custom resolver.
For example, if you have a class called MyCustomObject
, that has a property called LongPropertyName
, you can use a custom resolver like this…
public class CustomDataContractResolver : DefaultContractResolver
{
public static readonly CustomDataContractResolver Instance = new CustomDataContractResolver ();
protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
{
var property = base.CreateProperty(member, memberSerialization);
if (property.DeclaringType == typeof(MyCustomObject))
{
if (property.PropertyName.Equals("LongPropertyName", StringComparison.OrdinalIgnoreCase))
{
property.PropertyName = "Short";
}
}
return property;
}
}
Then call for serialization and supply the resolver:
var result = JsonConvert.SerializeObject(myCustomObjectInstance,
new JsonSerializerSettings { ContractResolver = CustomDataContractResolver.Instance });
And the result will be shortened to {"Short":"prop value"} instead of {"LongPropertyName":"prop value"}
More info on custom resolvers here
Use javascript to get the width and height and add them in View's style.
To get full width and height, use Dimensions.get('window').width
https://facebook.github.io/react-native/docs/dimensions.html
getSize() {
return {
width: Dimensions.get('window').width,
height: Dimensions.get('window').height
}
}
and then,
<View style={[styles.overlay, this.getSize()]}>
You would write a comparator class, for example:
struct CompareAge {
bool operator()(Person const & p1, Person const & p2) {
// return "true" if "p1" is ordered before "p2", for example:
return p1.age < p2.age;
}
};
and use that as the comparator argument:
priority_queue<Person, vector<Person>, CompareAge>
Using greater
gives the opposite ordering to the default less
, meaning that the queue will give you the lowest value rather than the highest.
What's the difference between "include" and "require" in Ruby?
Answer:
The include and require methods do very different things.
The require method does what include does in most other programming languages: run another file. It also tracks what you've required in the past and won't require the same file twice. To run another file without this added functionality, you can use the load method.
The include method takes all the methods from another module and includes them into the current module. This is a language-level thing as opposed to a file-level thing as with require. The include method is the primary way to "extend" classes with other modules (usually referred to as mix-ins). For example, if your class defines the method "each", you can include the mixin module Enumerable and it can act as a collection. This can be confusing as the include verb is used very differently in other languages.
So if you just want to use a module, rather than extend it or do a mix-in, then you'll want to use require
.
Oddly enough, Ruby's require
is analogous to C's include
, while Ruby's include
is almost nothing like C's include
.
As simple as this:
li = [0, 1, 2, 3]
while 1:
for i, item in enumerate(x):
k = i + 1 if i != len(x) - 1 else 0
print('Current index {} : {}'.format(i,li[k]))
You can use:
width: -webkit-fit-content;
height: -webkit-fit-content;
width: -moz-fit-content;
height: -moz-fit-content;
EDIT: No. see http://red-team-design.com/horizontal-centering-using-css-fit-content-value/
You could match the port numbers from wireshark up to port numbers from, say, netstat which will tell you the PID of a process listening on that port.
The date function can return this if you specify the format correctly:
$daynum = date("w", strtotime("wednesday"));
will return 0 for Sunday through to 6 for Saturday.
An alternative format is:
$daynum = date("N", strtotime("wednesday"));
which will return 1 for Monday through to 7 for Sunday (this is the ISO-8601 represensation).
Try setting the charset on your Content-Type:
httpCon.setRequestProperty( "Content-Type", "multipart/form-data; charset=UTF-8; boundary=" + boundary );
You need the following functions to do this in PHP:
strpos
Find the position of the first occurrence of a substring in a string
strrpos
Find the position of the last occurrence of a substring in a string
substr
Return part of a string
Here's the signature of the substr
function:
string substr ( string $string , int $start [, int $length ] )
The signature of the substring
function (Java) looks a bit different:
string substring( int beginIndex, int endIndex )
substring
(Java) expects the end-index as the last parameter, but substr
(PHP) expects a length.
It's not hard, to get the desired length by the end-index in PHP:
$sub = substr($str, $start, $end - $start);
Here is the working code
$start = strpos($message, '-') + 1;
if ($req_type === 'RMT') {
$pt_password = substr($message, $start);
}
else {
$end = strrpos($message, '-');
$pt_password = substr($message, $start, $end - $start);
}
For fun, I solved this with reduce and filter. In real life I would probably use Aarons answere here. Nevertheless I think my version isn't totally unreadable or inefficient:
[' ','_','-','.',',',':','@'].reduce(
(segs, sep) => segs.reduce(
(out, seg) => out.concat(seg.split(sep)), []),
['E-mail Address: [email protected], Phone Number: +1-800-555-0011']
).filter(x => x)
Or as a function:
function msplit(str, seps) {
return seps.reduce((segs, sep) => segs.reduce(
(out, seg) => out.concat(seg.split(sep)), []
), [str]).filter(x => x);
}
This will output:
['E','mail','Address','user','domain','com','0','Phone','Number','+1','800','555','0011']
Without the filter at the end you would get empty strings in the array where two different separators are next to each other.
Collecting the best comments from Gene's answer, the best solution by far, is by using sponge
from moreutils.
sudo apt-get install moreutils
# The complete one-liner:
find ./ -iname '*.java' -type f -exec bash -c 'expand -t 4 "$0" | sponge "$0"' {} \;
Explanation:
./
is recursively searching from current directory-iname
is a case insensitive match (for both *.java
and *.JAVA
likes)type -f
finds only regular files (no directories, binaries or symlinks)-exec bash -c
execute following commands in a subshell for each file name, {}
expand -t 4
expands all TABs to 4 spacessponge
soak up standard input (from expand
) and write to a file (the same one)*. NOTE: * A simple file redirection (> "$0"
) won't work here because it would overwrite the file too soon.
Advantage: All original file permissions are retained and no intermediate tmp
files are used.
This solved my problem
String inputText = "some text with escaped chars"
InputStream is = new ByteArrayInputStream(inputText.getBytes("UTF-8"));
It is so much late but this can be helpful for someone. We can use RegEx as bellow.
Regex CSVParser = new Regex(",(?=(?:[^\"]*\"[^\"]*\")*(?![^\"]*\"))");
String[] Fields = CSVParser.Split(Test);
This simple method worked for me perfectly in Windows 7:
private void BringToFront() {
java.awt.EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
if(jFrame != null) {
jFrame.toFront();
jFrame.repaint();
}
}
});
}
S3 is not used for real time development but if you really want to test your freshly deployed website use
http://yourdomain.com/index.html?v=2
http://yourdomain.com/init.js?v=2
Adding a version parameter in the end will stop using the cached version of the file and the browser will get a fresh copy of the file from the server bucket
You mean that you want something like:
''.join(n for n in phone_str if n.isdigit())
This uses the fact that strings are iterable. They yield 1 character at a time when you iterate over them.
Regarding your efforts,
This one actually removes all of the digits from the string leaving you with only non-digits.
x = row.translate(None, string.digits)
This one splits the string on runs of whitespace, not after each character:
list = x.split()
This can be easily handled with pydantic, as it already has this functionality built-in.
Option 1: normal way
from pydantic import BaseModel
class testclass(BaseModel):
value1: str = "a"
value2: str = "b"
test = testclass()
>>> print(test.json(indent=4))
{
"value1": "a",
"value2": "b"
}
Option 2: using pydantic's dataclass
import json
from pydantic.dataclasses import dataclass
from pydantic.json import pydantic_encoder
@dataclass
class testclass:
value1: str = "a"
value2: str = "b"
test = testclass()
>>> print(json.dumps(test, indent=4, default=pydantic_encoder))
{
"value1": "a",
"value2": "b"
}
Open $CATALINA_BASE/conf/web.xml
and find this
<!-- ==================== Default Session Configuration ================= -->
<!-- You can set the default session timeout (in minutes) for all newly -->
<!-- created sessions by modifying the value below. -->
<session-config>
<session-timeout>30</session-timeout>
</session-config>
all webapps implicitly inherit from this default web descriptor. You can override session-config as well as other settings defined there in your web.xml.
This is actually from my Tomcat 7 (Windows) but I think 5.5 conf is not very different
http://constc.blogspot.com/2008/07/undeclared-undefined-null-in-javascript.html
Depends on how specific you want the test to be. You could maybe get away with
if(page_name){ string += "&page_name=" + page_name; }
You must understand the difference between a class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea.
At the same time, the car you see is an instance of the class "car" since it has all the properties which you expect: There is someone driving it, it has an engine, wheels.
So the class says "all cars have a color" and the instance says "this specific car is red".
In the OO world, you define the class and inside the class, you define a field of type Color
. When the class is instantiated (when you create a specific instance), memory is reserved for the color and you can give this specific instance a color. Since these attributes are specific, they are non-static.
Static fields and methods are shared with all instances. They are for values which are specific to the class and not a specific instance. For methods, this usually are global helper methods (like Integer.parseInt()
). For fields, it's usually constants (like car types, i.e. something where you have a limited set which doesn't change often).
To solve your problem, you need to instantiate an instance (create an object) of your class so the runtime can reserve memory for the instance (otherwise, different instances would overwrite each other which you don't want).
In your case, try this code as a starting block:
public static void main (String[] args)
{
try
{
MyProgram7 obj = new MyProgram7 ();
obj.run (args);
}
catch (Exception e)
{
e.printStackTrace ();
}
}
// instance variables here
public void run (String[] args) throws Exception
{
// put your code here
}
The new main()
method creates an instance of the class it contains (sounds strange but since main()
is created with the class instead of with the instance, it can do this) and then calls an instance method (run()
).
The error shows you either didn't create the rails project yet or you're not in the rails project directory.
Suppose if you're working on myapp project. You've to move to that project directory on your command line and then generate the model. Here are some steps you can refer.
Example: Assuming you didn't create the Rails app yet:
$> rails new myapp
$> cd myapp
Now generate the model from your commandline.
$> rails generate model your_model_name
find ./someDir -name "*.php" -o -name "*.html" | tar -cf my_archive -T -
Say your array looked like
arr = [ { a: 1, b: 2, c: 3 }, { a: 4, b: 5, c: 6 }, { a: 7, b: 8, c: 9 } ]
(or possibly other keys) you could do
arr.map((o) => {
return Object.keys(o)
}).reduce((prev, curr) => {
return prev.concat(curr)
}).filter((col, i, array) => {
return array.indexOf(col) === i
});
["a", "b", "c"]
Ravi, for 4.0.1-rc.1:
<option>
elements inside <select>
.$element.val(yourarray).trigger("change");
after select2
init function.HTML:
<select name="Tags" id="Tags" class="form-control input-lg select2" multiple="multiple">
<option value="1">tag 1</option>
<option value="2">tag 2</option>
<option value="3">tag 3</option>
</select>
JS:
var $tagsControl = $("#Tags").select2({
ajax: {
url: '/Tags/Search',
dataType: 'json',
delay: 250,
results: function (data) {
return {
results: $.map(data, function (item) {
return {
text: item.text,
id: item.id
}
})
};
},
cache: false
},
minimumInputLength: 2,
maximumSelectionLength: 6
});
var data = [];
var tags = $("#Tags option").each(function () {
data.push($(this).val());
});
$tagsControl.val(data).trigger("change");
This issue was reported but it still opened. https://github.com/select2/select2/issues/3116#issuecomment-146568753
Actually you can do this.
$state.go("state-name", {param-name: param-value}, {location: false, inherit: false});
This is the official documentation about options in state.go
Everything is described there and as you can see this is the way to be done.
I think this is what you are looking for
<?php include ('Scripts/Php/connection.php');
//The connection.php script is executed inside the current file ?>
The script file can also be in a .txt format, it should still work, it does for me
e.g.
<?php include ('Scripts/Php/connection.txt');
//The connection.txt script is executed inside the current file ?>
function is_url($uri){
if(preg_match( '/^(http|https):\\/\\/[a-z0-9_]+([\\-\\.]{1}[a-z_0-9]+)*\\.[_a-z]{2,5}'.'((:[0-9]{1,5})?\\/.*)?$/i' ,$uri)){
return $uri;
}
else{
return false;
}
}
(A) To split a sentence into its words (space separated) you can simply use the default IFS by using
array=( $string )
Example running the following snippet
#!/bin/bash
sentence="this is the \"sentence\" 'you' want to split"
words=( $sentence )
len="${#words[@]}"
echo "words counted: $len"
printf "%s\n" "${words[@]}" ## print array
will output
words counted: 8
this
is
the
"sentence"
'you'
want
to
split
As you can see you can use single or double quotes too without any problem
Notes:
-- this is basically the same of mob's answer, but in this way you store the array for any further needing. If you only need a single loop, you can use his answer, which is one line shorter :)
-- please refer to this question for alternate methods to split a string based on delimiter.
(B) To check for a character in a string you can also use a regular expression match.
Example to check for the presence of a space character you can use:
regex='\s{1,}'
if [[ "$sentence" =~ $regex ]]
then
echo "Space here!";
fi
html
<ul class="answerList" id="oneAnswer">
<li class="answer" value="false">info1</li>
<li class="answer" value="false">info2</li>
<li class="answer" value="false">info3</li>
</ul>
Get index,text,value js
$('#oneAnswer li').each(function (i) {
var index = $(this).index();
var text = $(this).text();
var value = $(this).attr('value');
alert('Index is: ' + index + ' and text is ' + text + ' and Value ' + value);
});
Easyest way to do that is simply
IEnumerable<T> items = new T[]{new T("msg")};
List<string> itemsList = new List<string>();
itemsList.AddRange(items.Select(y => y.ToString()));
itemsList.Add("msg2");
Then you can return list as IEnumerable also because it implements IEnumerable interface
You need RunWorkerAsync(object) method and DoWorkEventArgs.Argument property.
worker.RunWorkerAsync(5);
private void worker_DoWork(object sender, DoWorkEventArgs e) {
int argument = (int)e.Argument; //5
}
I wrote this SP to do just what you want, however, you need to use dynamic sql.
This worked for me on SQL Server 2008 R2
ALTER procedure [dbo].[PrintSQLResults]
@query nvarchar(MAX),
@numberToDisplay int = 10,
@padding int = 20
as
SET NOCOUNT ON;
SET ANSI_WARNINGS ON;
declare @cols nvarchar(MAX),
@displayCols nvarchar(MAX),
@sql nvarchar(MAX),
@printableResults nvarchar(MAX),
@NewLineChar AS char(2) = char(13) + char(10),
@Tab AS char(9) = char(9);
if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable
set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable
select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');
select @cols =
stuff((
(select ' + space(1) + (LEFT( (CAST([' + name + '] as nvarchar(max)) + space('+ CAST(@padding as nvarchar(4)) +')), '+CAST(@padding as nvarchar(4))+')) ' as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');
select @displayCols =
stuff((
(select space(1) + LEFT(name + space(@padding), @padding) as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');
DECLARE
@tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE
@i int = 1,
@ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;
print @displayCols -- header
While @i <= @ii
BEGIN
set @sql = N'select @printableResults = ' + @cols + ' + @NewLineChar from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3)) + '; print @printableResults;'
--print @sql
execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
print @printableResults
SET @i += 1;
END
This worked for me on SQL Server 2012
ALTER procedure [dbo].[PrintSQLResults]
@query nvarchar(MAX),
@numberToDisplay int = 10,
@padding int = 20
as
SET NOCOUNT ON;
SET ANSI_WARNINGS ON;
declare @cols nvarchar(MAX),
@displayCols nvarchar(MAX),
@sql nvarchar(MAX),
@printableResults nvarchar(MAX),
@NewLineChar AS char(2) = char(13) + char(10),
@Tab AS char(9) = char(9);
if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable
set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable
select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');
select @cols =
stuff((
(select ' + space(1) + LEFT(CAST([' + name + '] as nvarchar('+CAST(@padding as nvarchar(4))+')) + space('+ CAST(@padding as nvarchar(4)) +'), '+CAST(@padding as nvarchar(4))+') ' as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');
select @displayCols =
stuff((
(select space(1) + LEFT(name + space(@padding), @padding) as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');
DECLARE
@tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE
@i int = 1,
@ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;
print @displayCols -- header
While @i <= @ii
BEGIN
set @sql = N'select @printableResults = ' + @cols + ' + @NewLineChar from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3)) + ' '
--print @sql
execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
print @printableResults
SET @i += 1;
END
This worked for me on SQL Server 2014
ALTER procedure [dbo].[PrintSQLResults]
@query nvarchar(MAX),
@numberToDisplay int = 10,
@padding int = 20
as
SET NOCOUNT ON;
SET ANSI_WARNINGS ON;
declare @cols nvarchar(MAX),
@displayCols nvarchar(MAX),
@sql nvarchar(MAX),
@printableResults nvarchar(MAX),
@NewLineChar AS char(2) = char(13) + char(10),
@Tab AS char(9) = char(9);
if exists (select * from tempdb.sys.tables where name = '##PrintSQLResultsTempTable') drop table ##PrintSQLResultsTempTable
set @query = REPLACE(@query, 'from', ' into ##PrintSQLResultsTempTable from');
--print @query
exec(@query);
select ROW_NUMBER() OVER (ORDER BY (select Null)) AS ID12345XYZ, * into #PrintSQLResultsTempTable
from ##PrintSQLResultsTempTable
drop table ##PrintSQLResultsTempTable
select name
into #PrintSQLResultsTempTableColumns
from tempdb.sys.columns where object_id =
object_id('tempdb..#PrintSQLResultsTempTable');
select @cols =
stuff((
(select ' , space(1) + LEFT(CAST([' + name + '] as nvarchar('+CAST(@padding as nvarchar(4))+')) + space('+ CAST(@padding as nvarchar(4)) +'), '+CAST(@padding as nvarchar(4))+') ' as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'''''');
select @displayCols =
stuff((
(select space(1) + LEFT(name + space(@padding), @padding) as [text()]
FROM #PrintSQLResultsTempTableColumns
where name != 'ID12345XYZ'
FOR XML PATH(''), root('str'), type ).value('/str[1]','nvarchar(max)'))
,1,0,'');
DECLARE
@tableCount int = (select count(*) from #PrintSQLResultsTempTable);
DECLARE
@i int = 1,
@ii int = case when @tableCount < @numberToDisplay then @tableCount else @numberToDisplay end;
print @displayCols -- header
While @i <= @ii
BEGIN
set @sql = N'select @printableResults = concat(@printableResults, ' + @cols + ', @NewLineChar) from #PrintSQLResultsTempTable where ID12345XYZ = ' + CAST(@i as varchar(3))
--print @sql
execute sp_executesql @sql, N'@NewLineChar char(2), @printableResults nvarchar(max) output', @NewLineChar = @NewLineChar, @printableResults = @printableResults output
print @printableResults
SET @printableResults = null;
SET @i += 1;
END
Example:
exec [dbo].[PrintSQLResults] n'select * from MyTable'
As of Java 1.7, there's a new way: java.nio.file.Files.write
import java.nio.file.Files;
import java.nio.file.Paths;
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(128);
SecretKey key = kgen.generateKey();
byte[] encoded = key.getEncoded();
Files.write(Paths.get("target-file"), encoded);
Java 1.7 also resolves the embarrassment that Kevin describes: reading a file is now:
byte[] data = Files.readAllBytes(Paths.get("source-file"));
This is working for me in a console application -
string appData = System.Environment.GetEnvironmentVariable("APPDATA");
Permission denied
In order to run a script the file must have an executable permission bit set.
In order to fully understand Linux file permissions you can study the documentation for the chmod
command. chmod, an abbreviation of change mode, is the command that is used to change the permission settings of a file.
To read the chmod documentation for your local system , run man chmod
or info chmod
from the command line. Once read and understood you should be able to understand the output of running ...
ls -l foo.sh
... which will list the READ, WRITE and EXECUTE permissions for the file owner, the group owner and everyone else who is not the file owner or a member of the group to which the file belongs (that last permission group is sometimes referred to as "world" or "other")
Here's a summary of how to troubleshoot the Permission Denied error in your case.
$ ls -l foo.sh # Check file permissions of foo
-rw-r--r-- 1 rkielty users 0 2012-10-21 14:47 foo.sh
^^^
^^^ | ^^^ ^^^^^^^ ^^^^^
| | | | |
Owner| World | |
| | Name of
Group | Group
Name of
Owner
Owner has read and write access rw but the - indicates that the executable permission is missing
The chmod
command fixes that. (Group and other only have read permission set on the file, they cannot write to it or execute it)
$ chmod +x foo.sh # The owner can set the executable permission on foo.sh
$ ls -l foo.sh # Now we see an x after the rw
-rwxr-xr-x 1 rkielty users 0 2012-10-21 14:47 foo.sh
^ ^ ^
foo.sh is now executable as far as Linux is concerned.
Using sudo results in Command not found
When you run a command using sudo you are effectively running it as the superuser or root.
The reason that the root user is not finding your command is likely that the PATH
environment variable for root does not include the directory where foo.sh
is located. Hence the command is not found.
The PATH environment variable contains a list of directories which are searched for commands. Each user sets their own PATH variable according to their needs. To see what it is set to run
env | grep ^PATH
Here's some sample output of running the above env
command first as an ordinary user and then as the root user using sudo
rkielty@rkielty-laptop:~$ env | grep ^PATH
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
rkielty@rkielty-laptop:~$ sudo env | grep ^PATH
[sudo] password for rkielty:
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
Note that, although similar, in this case the directories contained in the PATH the non-privileged user (rkielty) and the super user are not the same.
The directory where foo.sh
resides is not present in the PATH variable of the root user, hence the command not found error.
var classList = $(element).attr('class').split(/\s+/);
$(classList).each(function(index){
//do something
});
you have an array: var arr = [23, 45, 12, 67];
To add an item to the beginning, you want to use splice
:
var arr = [23, 45, 12, 67];_x000D_
arr.splice(0, 0, 34)_x000D_
console.log(arr);
_x000D_
As part of the C++ standard there exists some pre-defined macros that you can use. Section 16.8 of the C++ standard defines amongst other things, the __LINE__
macro.
__LINE__
: The line number of the current source line (a decimal constant).
__FILE__
: The presumed name of the source file (a character string literal).
__DATE__
: The date of translation of the source file (a character string literal...)
__TIME__
: The time of translation of the source file (a character string literal...)
__STDC__
: Whether__STDC__
is predefined
__cplusplus
: The name__cplusplus
is defined to the value 199711L when compiling a C ++ translation unit
So your code would be:
if(!Logical)
printf("Not logical value at line number %d \n",__LINE__);
For printing the Name column
df['Name']
There is an option “unlimited scrollback buffer” which you can find under Preferences > Profiles > Terminal
or you can just pump up number of lines that you want to have in history in the same place.
You can do it like below -
df <- data.frame(a=1:4, b=5:8, c=9:12)
df['d'] <- seq(10,13)
df <- df[,c('a','b','d','c')]
I wrote a short convenience function for posting JSON.
$.postJSON = function(url, data, success, args) {
args = $.extend({
url: url,
type: 'POST',
data: JSON.stringify(data),
contentType: 'application/json; charset=utf-8',
dataType: 'json',
async: true,
success: success
}, args);
return $.ajax(args);
};
$.postJSON('test/url', data, function(result) {
console.log('result', result);
});
Parsing is to read the value of one object to convert it to another type. For example you may have a string with a value of "10". Internally that string contains the Unicode characters '1' and '0' not the actual number 10. The method Integer.parseInt takes that string value and returns a real number.
String tenString = "10"
//This won't work since you can't add an integer and a string
Integer result = 20 + tenString;
//This will set result to 30
Integer result = 20 + Integer.parseInt(tenString);
Enter the following command to insert data into the testlog table with some condition:
INSERT INTO TABLE testlog SELECT * FROM table1 WHERE some condition;
In your script you can add the following to the lines that you know are going to give an output:
some_code 2>>/dev/null
Or else you can also try
some_code >>/dev/null
As of Oracle 9i, you can use CONNECT BY.
SELECT LPAD(' ', (LEVEL - 1) * 4) || "Name" AS "Name"
FROM (SELECT * FROM TMP_NODE ORDER BY "Order")
CONNECT BY PRIOR "Id" = "ParentId"
START WITH "Id" IN (SELECT "Id" FROM TMP_NODE WHERE "ParentId" = 0)
As of SQL Server 2005, you can use a recursive common table expression (CTE).
WITH [NodeList] (
[Id]
, [ParentId]
, [Level]
, [Order]
) AS (
SELECT [Node].[Id]
, [Node].[ParentId]
, 0 AS [Level]
, CONVERT([varchar](MAX), [Node].[Order]) AS [Order]
FROM [Node]
WHERE [Node].[ParentId] = 0
UNION ALL
SELECT [Node].[Id]
, [Node].[ParentId]
, [NodeList].[Level] + 1 AS [Level]
, [NodeList].[Order] + '|'
+ CONVERT([varchar](MAX), [Node].[Order]) AS [Order]
FROM [Node]
INNER JOIN [NodeList] ON [NodeList].[Id] = [Node].[ParentId]
) SELECT REPLICATE(' ', [NodeList].[Level] * 4) + [Node].[Name] AS [Name]
FROM [Node]
INNER JOIN [NodeList] ON [NodeList].[Id] = [Node].[Id]
ORDER BY [NodeList].[Order]
Both will output the following results.
Name 'Node 1' ' Node 1.1' ' Node 1.1.1' ' Node 1.2' 'Node 2' ' Node 2.1'
If you want to use one of the "Getting Started" templates from spring.io site, but you don't need any of the servlet-related stuff that comes with the "default" ("gs/spring-boot") template, you can try the scheduling-tasks template (whose pom* contains spring-boot-starter etc) instead:
https://spring.io/guides/gs/scheduling-tasks/
That gives you Spring Boot, and the app runs as a standalone (no servlets or spring-webmvc etc are included in the pom). Which is what you wanted (though you may need to add some JMS-specific stuff, as someone else points out already).
[* I'm using Maven, but assume that a Gradle build will work similarly].
round(number, 1)
After several months, the best answer I have is my simple tool. It is raw but functional.
What I want is something similar to this. The JSON data can provide a skeleton for the JSON schema. I have not implemented it yet, but it should be possible to give an existing JSON schema as basis, so that the existing JSON schema plus JSON data can generate an updated JSON schema. If no such schema is given as input, completely default values are taken.
This would be very useful in iterative development: the first time the tool is run, the JSON schema is dummy, but it can be refined automatically according to the evolution of the data.
use html itself.There is one trick that can be used.The trick is to append a parameter/string to the file name in the script tag and change it when you file changes.
<script src="myfile.js?version=1.0.0"></script>
The browser interprets the whole string as the file path even though what comes after the "?" are parameters. So wat happens now is that next time when you update your file just change the number in the script tag on your website (Example <script src="myfile.js?version=1.0.1"></script>
) and each users browser will see the file has changed and grab a new copy.
You should remove the '@' before 'name'; it's not needed anymore (for current jQuery versions).
You're want to return all checked elements with name 'test2', but you don't have any elements with that name, you're using an id of 'test2'.
If you're going to use IDs, just try:
return $('#test2').attr('checked');
A way better solution is to just use the excelent compatibility script from Anthony Ferrara:
https://github.com/ircmaxell/password_compat
Please, and also, when checking the password, always add a way (preferibly async, so it doesn't impact the check process for timming attacks) to update the hash if needed.
It is only required if you aren't using the default values for version
and encoding
(which you are in that example).
There are many ways to do just this, provided you are not concerned about reliance on the original decimal data.
The first and perhaps most popular method would be the Largest Remainder Method
Which is basically:
In your case, it would go like this:
13.626332%
47.989636%
9.596008%
28.788024%
If you take the integer parts, you get
13
47
9
28
which adds up to 97, and you want to add three more. Now, you look at the decimal parts, which are
.626332%
.989636%
.596008%
.788024%
and take the largest ones until the total reaches 100. So you would get:
14
48
9
29
Alternatively, you can simply choose to show one decimal place instead of integer values. So the numbers would be 48.3 and 23.9 etc. This would drop the variance from 100 by a lot.
I was hoping to find a solution to this as well. I see that this is an older post, but hoping my approach might simplify this problem for someone else.
I was using a combobox with a drop down style of DropDownList, but this should work with other styles. In my case I wanted the text to read "Select Source" and I wanted the other options to be "File" and "Folder"
comboBox1.Items.AddRange(new string[] {"Select Source", "File", "Folder" });
comboBox1.Text = "Select Source";
You can select the 0 index instead if you like. I then removed the "Select Source" item when the index is changed as it no longer matters if that text is visible.
comboBox1.SelectedIndexChanged += new EventHandler(comboBox1_IndexChanged);
private void comboBox1_IndexChanged(object sender, EventArgs e)
{
comboBox1.Items.Remove("Select Source");
if (comboBox1.SelectedIndex != -1)
{
if (comboBox1.SelectedIndex == 0) // File
{
// Do things
}
else if (comboBox1.SelectedIndex == 1) // Folder
{
// Do things
}
}
}
Thanks
I've found a very simple solution,
just use the onmouseleave="myfunc()" event than the onmousout="myfunc()" event
In my code it worked!!
Example:
<html>
<head>
<script type="text/javascript">
function myFunc(){
document.getElementById('hide_div').style.display = 'none';
}
function ShowFunc(){
document.getElementById('hide_div').style.display = 'block';
}
</script>
</head>
<body>
<div onmouseleave="myFunc()" style='border:double;width:50%;height:50%;position:absolute;top:25%;left:25%;'>
Hover mouse here
<div id='child_div' style='border:solid;width:25%;height:25%;position:absolute;top:10%;left:10%;'>
CHILD <br/> It doesn't fires if you hover mouse over this child_div
</div>
</div>
<div id="hide_div" >TEXT</div>
<a href='#' onclick="ShowFunc()">Show "TEXT"</a>
</body>
</html>
Same Example with mouseout function:
<html>
<head>
<script type="text/javascript">
function myFunc(){
document.getElementById('hide_div').style.display = 'none';
}
function ShowFunc(){
document.getElementById('hide_div').style.display = 'block';
}
</script>
</head>
<body>
<div onmouseout="myFunc()" style='border:double;width:50%;height:50%;position:absolute;top:25%;left:25%;'>
Hover mouse here
<div id='child_div' style='border:solid;width:25%;height:25%;position:absolute;top:10%;left:10%;'>
CHILD <br/> It fires if you hover mouse over this child_div
</div>
</div>
<div id="hide_div">TEXT</div>
<a href='#' onclick="ShowFunc()">Show "TEXT"</a>
</body>
</html>
Hope it helps :)
The need is the possible desire for reproducible results, which may for example come from trying to debug your program, or of course from trying to redo what it does:
These two results we will "never" reproduce as I just asked for something "random":
R> sample(LETTERS, 5)
[1] "K" "N" "R" "Z" "G"
R> sample(LETTERS, 5)
[1] "L" "P" "J" "E" "D"
These two, however, are identical because I set the seed:
R> set.seed(42); sample(LETTERS, 5)
[1] "X" "Z" "G" "T" "O"
R> set.seed(42); sample(LETTERS, 5)
[1] "X" "Z" "G" "T" "O"
R>
There is vast literature on all that; Wikipedia is a good start. In essence, these RNGs are called Pseudo Random Number Generators because they are in fact fully algorithmic: given the same seed, you get the same sequence. And that is a feature and not a bug.
I know this is an old post, but this worked for me:
open -a Terminal "`pwd`"
To run a command as requested below takes some jiggery:
echo /sbin/ping 8.8.8.8 > /tmp/tmp.sh;chmod a+x /tmp/tmp.sh;open -a Terminal /tmp/tmp.sh
Deleting a column using iloc
function of dataframe
and slicing
, when we have a typical column name with unwanted values.
df = df.iloc[:,1:] # removing an unnamed index column
Here 0
is the default row and 1
is 1st column so ,1
where starts and stepping is taking default values, hence :,1:
is our parameter for deleting the first column.
pip install tensorflow.tensorboard # install tensorboard
pip show tensorflow.tensorboard
# Location: c:\users\<name>\appdata\roaming\python\python35\site-packages
# now just run tensorboard as:
python c:\users\<name>\appdata\roaming\python\python35\site-packages\tensorboard\main.py --logdir=<logidr>
Don't enter in the python shall, Install in the command directory.
Not inside the python pip cannot be installed inside the python.
Even in the version 3.+ you don't have to write the python 3 instead just python.
which looks like
python -m pip install --upgrade pip
and then install others
python -m pip install jupyter
If you created your database following this tutorial: https://msdn.microsoft.com/en-au/data/jj193542.aspx
... then this might work:
.mdf
and .ldf
files in your project directoryVPNs can sometimes cause this error as well, if they provide some type of auto-blocking. Disabling the VPN worked for my case.
This issue vexed me for some time. I was using reactive forms and I fixed it using this method. PS. Using Angular 9 and Material 9.
In the "ngOnInit" lifecycle hook
1) Get the object you want to set as the default from your array or object literal
const countryDefault = this.countries.find(c => c.number === '826');
Here I am grabbing the United Kingdom object from my countries array.
2) Then set the formsbuilder object (the mat-select) with the default value.
this.addressForm.get('country').setValue(countryDefault.name);
3) Lastly...set the bound value property. In my case I want the name value.
<mat-select formControlName="country">
<mat-option *ngFor="let country of countries" [value]="country.name" >
{{country.name}}
</mat-option>
</mat-select>
Works like a charm. I hope it helps
I made good experiences with Scala.
I use the simple build tool (sbt: http://code.google.com/p/simple-build-tool/) with the Android-Plugin (http://github.com/jberkel/android-plugin)
To add to the above correct answer :-
For my case in shell, this code worked (working on sqoop
)
ROOT_PATH="path/to/the/folder"
--options-file $ROOT_PATH/query.txt
$('#checkbox_id').val();
$('#checkbox_id').is(":checked");
$('#checkbox_id:checked').val();
Like this?
In LINQ:
var sortedList = originalList.OrderBy(foo => !foo.AVC)
.ToList();
Or in-place:
originalList.Sort((foo1, foo2) => foo2.AVC.CompareTo(foo1.AVC));
As Jon Skeet says, the trick here is knowing that false
is considered to be 'smaller' than true.
If you find that you are doing these ordering operations in lots of different places in your code, you might want to get your type Foo
to implement the IComparable<Foo>
and IComparable
interfaces.
// show the marker position //
console.log( objMarker.position.lat() );
console.log( objMarker.position.lng() );
// create a new point based into marker position //
var deltaLat = 1.002;
var deltaLng = -1.003;
var objPoint = new google.maps.LatLng(
parseFloat( objMarker.position.lat() ) + deltaLat,
parseFloat( objMarker.position.lng() ) + deltaLng
);
// now center the map using the new point //
objMap.setCenter( objPoint );
XCode > 6.0 AND iOS > 8.0 The below script works if you have XCode version > 8.0
I use the below small Script to tail the simulator logs onto the system console.
#!/bin/sh
sim_dir=`xcrun instruments -s | grep "iPhone 6 (8.2 Simulator)" | awk {'print $NF'} | tr -d '[]'`
tail -f ~/Library/Logs/CoreSimulator/$sim_dir/system.log
You can pass in the simulator type used in the Grep as an argument. As mentioned in the above posts, there are simctl and instruments command to view the type of simulators available for use depending on the Xcode version. To View the list of available devices/simulators.
xcrun instruments -s
OR
xcrun simctl list
Now you can pass in the Device code OR Simulator type as an argument to the script and replace the "iPhone 6 (8.2 Simulator)" inside grep to be $1
I am sorry that your concluding question is not that clear but you are wrong from the very first line. The variable data is an Object not an Array
To access the attributes of an object is pretty easy:
alert(data.second);
But, if this does not completely answer your question, please clarify it and post back.
Thanks !
HTML css works fine if body tag does nothing you can write as well
<body scroll="no" style="overflow: hidden">
In this case overriding should be on the body tag, it is easier to control but sometimes gives headaches.
If you're new to Subversion you may want to check out this post on SmashingMagazine.com, appropriately titled Ultimate Round-Up for Version Control with SubVersion.
It covers getting started with SubVersion with links to tutorials, reference materials, & book suggestions.
It covers tools (many are compatible windows), and it mentions AnkhSVN as a Visual Studio compatible plugin. The comments also mention VisualSVN as an alternative.
If you dont want to hard-code the cell addresses you can use the ROW()
function.
eg: =AVERAGE(INDIRECT("A" & ROW()), INDIRECT("C" & ROW()))
Its probably not the best way to do it though! Using Auto-Fill and static columns like @JaiGovindani suggests would be much better.
An instance variable is a variable that is a member of an instance of a class (i.e., associated with something created with a new
), whereas a class variable is a member of the class itself.
Every instance of a class will have its own copy of an instance variable, whereas there is only one of each static (or class) variable, associated with the class itself.
What’s the difference between a class variable and an instance variable?
This test class illustrates the difference:
public class Test {
public static String classVariable = "I am associated with the class";
public String instanceVariable = "I am associated with the instance";
public void setText(String string){
this.instanceVariable = string;
}
public static void setClassText(String string){
classVariable = string;
}
public static void main(String[] args) {
Test test1 = new Test();
Test test2 = new Test();
// Change test1's instance variable
test1.setText("Changed");
System.out.println(test1.instanceVariable); // Prints "Changed"
// test2 is unaffected
System.out.println(test2.instanceVariable); // Prints "I am associated with the instance"
// Change class variable (associated with the class itself)
Test.setClassText("Changed class text");
System.out.println(Test.classVariable); // Prints "Changed class text"
// Can access static fields through an instance, but there still is only one
// (not best practice to access static variables through instance)
System.out.println(test1.classVariable); // Prints "Changed class text"
System.out.println(test2.classVariable); // Prints "Changed class text"
}
}
Yes. This is safe as long as you are using standard ascii characters, like you are in this example.
I had the same problem, today 2016 - october - 06 I solved with this:
I changed all dependencies that began with 9.?.? to 9.6.1 I compiled with sdk version 24 and target version 17.
There is another packages in my solution because I used more things then only authentication.
After changed your build.gradle (Module:app) with the code below do it:
Put your package NAME in the line with the words applicationId "com.YOUR_PACKAGE_HERE"
Synchronize your project (Ctrl+alt+v) and Build Again.
This is the code of the file buid.gradle (Module:app) that worked for me:
apply plugin: 'com.android.application'
android {
compileSdkVersion 24
buildToolsVersion "24.0.3"
defaultConfig {
applicationId "com.YOUR_PACKAGE_HERE"
minSdkVersion 24
targetSdkVersion 17
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.google.firebase:firebase-core:9.6.1'
compile 'com.google.firebase:firebase-database:9.6.1'
compile 'com.android.support:appcompat-v7:24.2.1'
compile 'com.android.support:design:24.2.1'
compile 'com.google.firebase:firebase-crash:9.6.1'
testCompile 'junit:junit:4.12'
compile 'com.google.firebase:firebase-messaging:9.6.1'
compile 'com.google.firebase:firebase-ads:9.6.1'
compile 'com.google.firebase:firebase-auth:9.6.1'
compile 'com.google.android.gms:play-services:9.6.1'
}
apply plugin: 'com.google.gms.google-services'
CMD:
reg query "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"
reg query HKEY_CURRENT_USER\Environment
PowerShell:
Get-Item "HKLM:\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"
Get-Item HKCU:\Environment
Powershell/.NET: (see EnvironmentVariableTarget Enum)
[System.Environment]::GetEnvironmentVariables([System.EnvironmentVariableTarget]::Machine)
[System.Environment]::GetEnvironmentVariables([System.EnvironmentVariableTarget]::User)
I had the same problem and tried to change the version, sometimes is for the version of Android Studio in Project> Gradle Scripts> build.gradle(Module:app) you can change the version. For example:
android {
compileSdkVersion **23**
buildToolsVersion **"23.0.3"**
defaultConfig {
applicationId "com.example.android.myapplication"
minSdkVersion **19**
targetSdkVersion **23**
versionCode **1**
versionName **"1.0"**
}
Wrap the text in a span
or similar and use the following CSS:
.your-div {
position: relative;
}
.your-div span {
position: absolute;
bottom: 0;
right: 0;
}
.push()
is a method of the Built-in Array Object
It is not related to jQuery in any way.
You are defining a literal Object with
// Object
var stuff = {};
You can define a literal Array like this
// Array
var stuff = [];
then
stuff.push(element);
Arrays actually get their bracket syntax stuff[index]
inherited from their parent, the Object. This is why you are able to use it the way you are in your first example.
This is often used for effortless reflection for dynamically accessing properties
stuff = {}; // Object
stuff['prop'] = 'value'; // assign property of an
// Object via bracket syntax
stuff.prop === stuff['prop']; // true
I don't know if this will help, but I did this:
LocationManager locationManager = (LocationManager) context.getSystemService(context.LOCATION_SERVICE);
You can't use transparency on background-images directly, but you can achieve this effect with something like this:
HTML:
<div class="container">
<div class="content">//my blog post</div>
</div>?
CSS:
.container { position: relative; }
.container:before {
content: "";
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
z-index: 1;
background-image: url('image.jpg');
opacity: 0.5;
}
.content {
position: relative;
z-index: 2;
}?
for each string in your list, use .strip()
which removes whitespace from the beginning or end of the string:
for i in contents:
alist.append(i.strip())
But depending on your use case, you might be better off using something like numpy.loadtxt
or even numpy.genfromtxt
if you need a nice array of the data you're reading from the file.
You are not leveraging async / await effectively because the request thread will be blocked while executing the synchronous method ReturnAllCountries()
The thread that is assigned to handle a request will be idly waiting while ReturnAllCountries()
does it's work.
If you can implement ReturnAllCountries()
to be asynchronous, then you would see scalability benefits. This is because the thread could be released back to the .NET thread pool to handle another request, while ReturnAllCountries()
is executing. This would allow your service to have higher throughput, by utilizing threads more efficiently.
Function already exists: timezone('UTC'::text, now())
The Rule of Three is a rule of thumb for C++, basically saying
If your class needs any of
- a copy constructor,
- an assignment operator,
- or a destructor,
defined explictly, then it is likely to need all three of them.
The reasons for this is that all three of them are usually used to manage a resource, and if your class manages a resource, it usually needs to manage copying as well as freeing.
If there is no good semantic for copying the resource your class manages, then consider to forbid copying by declaring (not defining) the copy constructor and assignment operator as private
.
(Note that the forthcoming new version of the C++ standard (which is C++11) adds move semantics to C++, which will likely change the Rule of Three. However, I know too little about this to write a C++11 section about the Rule of Three.)
Here is a sample helper class which converts an Object and returns an Expando with all public properties of the given object.
public static class dynamicHelper
{
public static ExpandoObject convertToExpando(object obj)
{
//Get Properties Using Reflections
BindingFlags flags = BindingFlags.Public | BindingFlags.Instance;
PropertyInfo[] properties = obj.GetType().GetProperties(flags);
//Add Them to a new Expando
ExpandoObject expando = new ExpandoObject();
foreach (PropertyInfo property in properties)
{
AddProperty(expando, property.Name, property.GetValue(obj));
}
return expando;
}
public static void AddProperty(ExpandoObject expando, string propertyName, object propertyValue)
{
//Take use of the IDictionary implementation
var expandoDict = expando as IDictionary;
if (expandoDict.ContainsKey(propertyName))
expandoDict[propertyName] = propertyValue;
else
expandoDict.Add(propertyName, propertyValue);
}
}
Usage:
//Create Dynamic Object
dynamic expandoObj= dynamicHelper.convertToExpando(myObject);
//Add Custom Properties
dynamicHelper.AddProperty(expandoObj, "dynamicKey", "Some Value");
We have just been going through this same issue, but the other way around. That is, we store dollar amounts as DECIMAL, but now we're finding that, for example, MySQL was calculating a value of 4.389999999993, but when storing this into the DECIMAL field, it was storing it as 4.38 instead of 4.39 like we wanted it to. So, though DOUBLE may cause rounding issues, it seems that DECIMAL can cause some truncating issues as well.
Currently, and with the new versions of Mysql can insert the current date automatically without adding a code in your PHP file. You can achieve that from Mysql while setting up your database as follows:
Now, any new post will automatically get a unique date and time. Hope this can help.
The error
ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile.
can occur if the credentials that your application is trying to use to connect to RabbitMQ are incorrect or missing.
I had this happen when the RabbitMQ credentials stored in my ASP.NET application's web.config
file had a value of ""
for the password instead of the actual password string value.
I agree on performing the replace on the SQL side, but using the ISNULL function would be the way I'd go.
SELECT ISNULL(table.MyField, "NA") AS MyField
I usually do as much processing of data on our SQL servers and try to do as little data manipulation in SSRS as possible. This is mainly because my SQL server is considerably more powerful than my SSRS server.
This is really strange... Once set, the default Charset is cached and it isn't changed while the class is in memory. Setting the "file.encoding"
property with System.setProperty("file.encoding", "Latin-1");
does nothing. Every time Charset.defaultCharset()
is called it returns the cached charset.
Here are my results:
Default Charset=ISO-8859-1
file.encoding=Latin-1
Default Charset=ISO-8859-1
Default Charset in Use=ISO8859_1
I'm using JVM 1.6 though.
(update)
Ok. I did reproduce your bug with JVM 1.5.
Looking at the source code of 1.5, the cached default charset isn't being set. I don't know if this is a bug or not but 1.6 changes this implementation and uses the cached charset:
JVM 1.5:
public static Charset defaultCharset() {
synchronized (Charset.class) {
if (defaultCharset == null) {
java.security.PrivilegedAction pa =
new GetPropertyAction("file.encoding");
String csn = (String) AccessController.doPrivileged(pa);
Charset cs = lookup(csn);
if (cs != null)
return cs;
return forName("UTF-8");
}
return defaultCharset;
}
}
JVM 1.6:
public static Charset defaultCharset() {
if (defaultCharset == null) {
synchronized (Charset.class) {
java.security.PrivilegedAction pa =
new GetPropertyAction("file.encoding");
String csn = (String) AccessController.doPrivileged(pa);
Charset cs = lookup(csn);
if (cs != null)
defaultCharset = cs;
else
defaultCharset = forName("UTF-8");
}
}
return defaultCharset;
}
When you set the file encoding to file.encoding=Latin-1
the next time you call Charset.defaultCharset()
, what happens is, because the cached default charset isn't set, it will try to find the appropriate charset for the name Latin-1
. This name isn't found, because it's incorrect, and returns the default UTF-8
.
As for why the IO classes such as OutputStreamWriter
return an unexpected result,
the implementation of sun.nio.cs.StreamEncoder
(witch is used by these IO classes) is different as well for JVM 1.5 and JVM 1.6. The JVM 1.6 implementation is based in the Charset.defaultCharset()
method to get the default encoding, if one is not provided to IO classes. The JVM 1.5 implementation uses a different method Converters.getDefaultEncodingName();
to get the default charset. This method uses its own cache of the default charset that is set upon JVM initialization:
JVM 1.6:
public static StreamEncoder forOutputStreamWriter(OutputStream out,
Object lock,
String charsetName)
throws UnsupportedEncodingException
{
String csn = charsetName;
if (csn == null)
csn = Charset.defaultCharset().name();
try {
if (Charset.isSupported(csn))
return new StreamEncoder(out, lock, Charset.forName(csn));
} catch (IllegalCharsetNameException x) { }
throw new UnsupportedEncodingException (csn);
}
JVM 1.5:
public static StreamEncoder forOutputStreamWriter(OutputStream out,
Object lock,
String charsetName)
throws UnsupportedEncodingException
{
String csn = charsetName;
if (csn == null)
csn = Converters.getDefaultEncodingName();
if (!Converters.isCached(Converters.CHAR_TO_BYTE, csn)) {
try {
if (Charset.isSupported(csn))
return new CharsetSE(out, lock, Charset.forName(csn));
} catch (IllegalCharsetNameException x) { }
}
return new ConverterSE(out, lock, csn);
}
But I agree with the comments. You shouldn't rely on this property. It's an implementation detail.
PRIMARY KEY CONSTRAINT
cannot be altered, you may only drop it and create again. For big datasets it can cause a long run time and thus - table inavailability.
so do the following edit my.cnf:
[mysqld]
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /tmp
language = /usr/share/mysql/English
bind-address = xxx.xxx.xxx.xxx
# skip-networking
after edit hit service mysqld restart
login into mysql and hit this query:
GRANT ALL ON foo.* TO bar@'xxx.xxx.xxx.xxx' IDENTIFIED BY 'PASSWORD';
thats it make sure your iptables allow connection from 3306 if not put the following:
iptables -A INPUT -i lo -p tcp --dport 3306 -j ACCEPT
iptables -A OUTPUT -p tcp --sport 3306 -j ACCEPT
In case, it is a django backend application, you can do something like this.
docker exec -it container_id python manage.py dbshell
$("#closeLink").click(closeIt);
Let's say you want to call your function passing some args to it i.e., closeIt(1, false)
. Then, you should build an anonymous function and call closeIt
from it.
$("#closeLink").click(function() {
closeIt(1, false);
});
You will find below some code for reading unencrypted RSA keys encoded in the following formats:
-----BEGIN RSA PRIVATE KEY-----
)-----BEGIN PRIVATE KEY-----
) It works with Java 7+ (and after 9) and doesn't use third-party libraries (like BouncyCastle) or internal Java APIs (like DerInputStream
or DerValue
).
private static final String PKCS_1_PEM_HEADER = "-----BEGIN RSA PRIVATE KEY-----";
private static final String PKCS_1_PEM_FOOTER = "-----END RSA PRIVATE KEY-----";
private static final String PKCS_8_PEM_HEADER = "-----BEGIN PRIVATE KEY-----";
private static final String PKCS_8_PEM_FOOTER = "-----END PRIVATE KEY-----";
public static PrivateKey loadKey(String keyFilePath) throws GeneralSecurityException, IOException {
byte[] keyDataBytes = Files.readAllBytes(Paths.get(keyFilePath));
String keyDataString = new String(keyDataBytes, StandardCharsets.UTF_8);
if (keyDataString.contains(PKCS_1_PEM_HEADER)) {
// OpenSSL / PKCS#1 Base64 PEM encoded file
keyDataString = keyDataString.replace(PKCS_1_PEM_HEADER, "");
keyDataString = keyDataString.replace(PKCS_1_PEM_FOOTER, "");
return readPkcs1PrivateKey(Base64.decodeBase64(keyDataString));
}
if (keyDataString.contains(PKCS_8_PEM_HEADER)) {
// PKCS#8 Base64 PEM encoded file
keyDataString = keyDataString.replace(PKCS_8_PEM_HEADER, "");
keyDataString = keyDataString.replace(PKCS_8_PEM_FOOTER, "");
return readPkcs8PrivateKey(Base64.decodeBase64(keyDataString));
}
// We assume it's a PKCS#8 DER encoded binary file
return readPkcs8PrivateKey(Files.readAllBytes(Paths.get(keyFilePath)));
}
private static PrivateKey readPkcs8PrivateKey(byte[] pkcs8Bytes) throws GeneralSecurityException {
KeyFactory keyFactory = KeyFactory.getInstance("RSA", "SunRsaSign");
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(pkcs8Bytes);
try {
return keyFactory.generatePrivate(keySpec);
} catch (InvalidKeySpecException e) {
throw new IllegalArgumentException("Unexpected key format!", e);
}
}
private static PrivateKey readPkcs1PrivateKey(byte[] pkcs1Bytes) throws GeneralSecurityException {
// We can't use Java internal APIs to parse ASN.1 structures, so we build a PKCS#8 key Java can understand
int pkcs1Length = pkcs1Bytes.length;
int totalLength = pkcs1Length + 22;
byte[] pkcs8Header = new byte[] {
0x30, (byte) 0x82, (byte) ((totalLength >> 8) & 0xff), (byte) (totalLength & 0xff), // Sequence + total length
0x2, 0x1, 0x0, // Integer (0)
0x30, 0xD, 0x6, 0x9, 0x2A, (byte) 0x86, 0x48, (byte) 0x86, (byte) 0xF7, 0xD, 0x1, 0x1, 0x1, 0x5, 0x0, // Sequence: 1.2.840.113549.1.1.1, NULL
0x4, (byte) 0x82, (byte) ((pkcs1Length >> 8) & 0xff), (byte) (pkcs1Length & 0xff) // Octet string + length
};
byte[] pkcs8bytes = join(pkcs8Header, pkcs1Bytes);
return readPkcs8PrivateKey(pkcs8bytes);
}
private static byte[] join(byte[] byteArray1, byte[] byteArray2){
byte[] bytes = new byte[byteArray1.length + byteArray2.length];
System.arraycopy(byteArray1, 0, bytes, 0, byteArray1.length);
System.arraycopy(byteArray2, 0, bytes, byteArray1.length, byteArray2.length);
return bytes;
}
to get all tables in a database:
select * from INFORMATION_SCHEMA.TABLES
to get all columns in a database:
select * from INFORMATION_SCHEMA.columns
to get all views in a db:
select * from INFORMATION_SCHEMA.TABLES where table_type = 'view'
The following worked for me.
Give a try to Mongo-hacker(node module), it alway prints pretty. https://github.com/TylerBrock/mongo-hacker
More it enhances mongo shell (supports only ver>2.4, current ver is 3.0), like
I am using for while in production env, no problems yet.
Here's a trick that worked for me:
handleClick = e => {
if (e.target === e.currentTarget) {
// do something
} else {
// do something else
}
}
Explanation: I attached handleClick
to a backdrop of a modal window, but it also fired on every click inside of a modal window (because it was IN the backdrop div). So I added the condition (e.target === e.currentTarget)
, which is only fulfilled when a backdrop is clicked.
Eclipse 3.6 allows you to turn off formatting by placing a special comment, like
// @formatter:off
...
// @formatter:on
The on/off features have to be turned "on" in Eclipse preferences: Java > Code Style > Formatter. Click on Edit, Off/On Tags, enable Enable Off/On tags.
It's also possible to change the magic strings in the preferences — check out the Eclipse 3.6 docs here.
More Information
Java > Code Style > Formatter > Edit > Off/On Tags
This preference allows you to define one tag to disable and one tag to enable the formatter (see the Off/On Tags tab in your formatter profile):
You also need to enable the flags from Java Formatting
Under
Provisioning -> Distribution -> Distribution Provisioning Profiles
I downloaded the desired certificate again and installed it. Now I don't see an empty file in Xcode. The build also works now (no code sign error).
What I also did: I downloaded the WWDR and installed it, but I don't know if that was the reason (because I think it's always the same)
I had an identical problem, which I solved by restarting my Python editor and shell. I had installed pywin32
but the new modules were not picked up until the restarts.
If you've already done that, do a search in your Python installation for win32api
and you should find win32api.pyd
under ${PYTHON_HOME}\Lib\site-packages\win32
.
I had a similar problem with a less complicated formula:
= If (x > A & x <= B)
and found that I could Remove the AND
and join the two comparisons with +
= (x > A1) + (x <= B1) [without all the spaces]
Hope this helps others with less complex comparisons.
use the scan method e.g.
curl -XGET 'localhost:9200/_search?search_type=scan&scroll=10m&size=50' -d '
{
"query" : {
"match_all" : {}
}
}
see here
You need a space after the final set of quote marks
<meta property="og:url" content="http://www.mywebaddress.com"/>
Should be..likes this one
<meta property="og:url" content="http://www.mywebaddress.com" />
Slightly update the first answer using a more functional approach.
const isIOS = [
'iPad Simulator',
'iPhone Simulator',
'iPod Simulator',
'iPad',
'iPhone',
'iPod',
].indexOf(navigator.platform) !== -1;
Have you tried this?
$('.myClass, .myOtherClass').removeClass('theclass');
Sounds like an lxml advertisement in here. ;) ElementTree is included in the std library. Under 2.6 and below its xpath is pretty weak, but in 2.7+ much improved:
import xml.etree.ElementTree as ET
root = ET.parse(filename)
result = ''
for elem in root.findall('.//child/grandchild'):
# How to make decisions based on attributes even in 2.6:
if elem.attrib.get('name') == 'foo':
result = elem.text
break
If you need to set the new value based on the old field value that is do something like:
update my_table set field_1 = field_1 + 1 where pk_field = some_value
use query expressions:
MyModel.objects.filter(pk=some_value).update(field1=F('field1') + 1)
This will execute update atomically that is using one update request to the database without reading it first.
All these answers date back to 2016 or earlier... There's a new web standard for this using flex-boxes
. In general floats
for these sorts of problems is now frowned upon.
HTML
<div class="image-txt-container">
<img src="https://images4.alphacoders.com/206/thumb-350-20658.jpg">
<h2>
Text here
</h2>
</div>
CSS
.image-txt-container {
display: flex;
align-items: center;
flex-direction: row;
}
Example fiddle: https://jsfiddle.net/r8zgokeb/1/
There's no notion of hosts or ip-addresses in the javascript standard library. So you'll have to access some external service to look up hostnames for you.
I recommend hosting a cgi-bin which looks up the ip-address of a hostname and access that via javascript.
The most common valid reason for wanting an integer constant associated with each enum value is to interoperate with some other component which still expects those integers (e.g. a serialization protocol which you can't change, or the enums represent columns in a table, etc).
In almost all cases I suggest using an EnumMap
instead. It decouples the components more completely, if that was the concern, or if the enums represent column indices or something similar, you can easily make changes later on (or even at runtime if need be).
private final EnumMap<Page, Integer> pageIndexes = new EnumMap<Page, Integer>(Page.class);
pageIndexes.put(Page.SIGN_CREATE, 1);
//etc., ...
int createIndex = pageIndexes.get(Page.SIGN_CREATE);
It's typically incredibly efficient, too.
Adding data like this to the enum instance itself can be very powerful, but is more often than not abused.
Edit: Just realized Bloch addressed this in Effective Java / 2nd edition, in Item 33: Use EnumMap
instead of ordinal indexing.
While binding a databound control, you can evaluate a field of the row in your data source with eval() function.
For example you can add a column to your gridview like that :
<asp:BoundField DataField="YourFieldName" />
And alternatively, this is the way with eval :
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="lbl" runat="server" Text='<%# Eval("YourFieldName") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateField>
It seems a little bit complex, but it's flexible, because you can set any property of the control with the eval() function :
<asp:TemplateField>
<ItemTemplate>
<asp:HyperLink ID="HyperLink1" runat="server"
NavigateUrl='<%# "ShowDetails.aspx?id="+Eval("Id") %>'
Text='<%# Eval("Text", "{0}") %>'></asp:HyperLink>
</ItemTemplate>
</asp:TemplateField>
To list the Docker images
$ docker images
If your application wants to run in with port 80, and you can expose a different port to bind locally, say 8080:
$ docker run -d --restart=always -p 8080:80 image_name:version
And remember to use parenthesis!
Keep in mind that &
operator takes a precedence over operators such as >
or <
etc. That is why
4 < 5 & 6 > 4
evaluates to False
. Therefore if you're using pd.loc
, you need to put brackets around your logical statements, otherwise you get an error. That's why do:
df.loc[(df['A'] > 10) & (df['B'] < 15)]
instead of
df.loc[df['A'] > 10 & df['B'] < 15]
which would result in
TypeError: cannot compare a dtyped [float64] array with a scalar of type [bool]
Instead of trying to manually align the text into columns with arbitrary strings of spaces, you should embed actual tabs (the \t
escape sequence) into each output string:
Console.WriteLine("Customer name" + "\t"
+ "sales" + "\t"
+ "fee to be paid" + "\t"
+ "70% value" + "\t"
+ "30% value");
for (int DisplayPos = 0; DisplayPos < LineNum; DisplayPos++)
{
seventy_percent_value = ((fee_payable[DisplayPos] / 10.0) * 7);
thirty_percent_value = ((fee_payable[DisplayPos] / 10.0) * 3);
Console.WriteLine(customer[DisplayPos] + "\t"
+ sales_figures[DisplayPos] + "\t"
+ fee_payable + "\t\t"
+ seventy_percent_value + "\t\t"
+ thirty_percent_value);
}
For anyone else who may run across this, I wanted to share an answer that may be the case for you or for others browsing this article (like myself).
I am using Eclipse and created my keystore in it for my 1.0 release. Fast forward 3 months and I wanted to update it to 1.1. When I chose Export... in Eclipse and chose that keystore, none of my passwords that I could remember worked. Every time it said "Keystore tampered with or password incorrect." It got to a point where I was getting ready to run a brute force program on it for as long as I could stand (a week or so) to try to get it to work.
Luckily, I to sign my unsigned .apk file outside of Eclipse. Voila - it worked! My password had been correct the entire time! I'm not sure why, but signing it in Eclipse through the Export menu was reporting an error even when my password was correct.
So, if you're getting this error, here are my steps (taken from Android documentation) to help you get your apk ready for the market.
NOTE: To get unsigned apk from Eclipse: Right-click project > Android Tools > Export Unsigned Application
Sign unsigned apk file with keystore
a. open administrator cmd prompt and go to "c:\Program Files\Java\jdk1.6.0_25\bin" or whatever version of java you have (where you have copied the unsigned apk file and your keystore)
b. at cmd prompt with keystore file and unsigned apk in same directory, type this command: jarsigner -keystore mykeystorename.keystore -verbose unsigned.apk myaliasnamefromkeystore
c. it will say: "Enter Passphrase for keystore:". Enter it and press Return.
d. ===> Success looks like this:
adding: META-INF/MANIFEST.MF
...
signing: classes.dex
e. the unsigned version is overwritten in place, so your signed apk file is now at the same file name as the unsigned one
Use ZipAlign to compact the signed apk file for distribution in the market
a. open admin cmd prompt and go to "c:\AndroidSDK\tools" or wherever you installed the Android SDK
b. enter this command: zipalign -v 4 signed.apk signedaligned.apk
c. ===> Success looks like this:
Verifying alignment of signedaligned.apk (4)
50 META-INF/MANIFEST.MF (OK - compressed)
...
1047129 classes.dex (OK - compressed)
Verification succesful
d. the signed and aligned file is at signedaligned.apk (the filename you specified in the previous command)
========> READY TO SUBMIT TO MARKETPLACE
(5.65235534).round(2)
#=> 5.65
You have to use TableLayout.LayoutParams
with something like this:
TextView tv = new TextView(v.getContext());
tv.setLayoutParams(new TableLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 1f));
The last parameter is the weight.
try to use following query
select *
from xxx
where convert(date,dates) >= '2012-10-26' and convert(date,dates) <= '2012-10-27'
You can call the stat() function and use the S_ISREG()
macro on the st_mode
field of the stat structure in order to determine if your path points to a regular file:
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
int is_regular_file(const char *path)
{
struct stat path_stat;
stat(path, &path_stat);
return S_ISREG(path_stat.st_mode);
}
Note that there are other file types besides regular and directory, like devices, pipes, symbolic links, sockets, etc. You might want to take those into account.
Import by using the import
keyword:
import package.myclass;
But since it's the default package and same, you just create a new instance like:
elf ob = new elf(); //Instance of elf class
Depends a lot on your definition of what a "character" is. If "rune equals a character " is OK for your task (generally it isn't) then the answer by VonC is perfect for you. Otherwise, it should be probably noted, that there are few situations where the number of runes in a Unicode string is an interesting value. And even in those situations it's better, if possible, to infer the count while "traversing" the string as the runes are processed to avoid doubling the UTF-8 decode effort.
You should be able to do something along the lines of the following
UPDATE s
SET
OrgAddress1 = bd.OrgAddress1,
OrgAddress2 = bd.OrgAddress2,
...
DestZip = bd.DestZip
FROM
Shipment s, ProfilerTest.dbo.BookingDetails bd
WHERE
bd.MyID = @MyId AND s.MyID2 = @MyID2
FROM statement can be made more optimial (using more specific joins), but the above should do the trick. Also, a nice side benefit to writing it this way, to see a preview of the UPDATE change UPDATE s SET
to read SELECT
! You will then see that data as it would appear if the update had taken place.
You can use >>
to print in another file.
echo "hello" >> logfile.txt
you can use the new HTML 5 file api to read file contents
https://developer.mozilla.org/en-US/docs/Using_files_from_web_applications
but this won't work on every browser so you probably need a server side fallback.
Button ok= view.findViewById(R.id.btSettingOK);
Fragment me=this;
ok.setOnClickListener( new View.OnClickListener(){
public void onClick(View v){
getActivity().getFragmentManager().beginTransaction().remove(me).commit();
}
});
I was struggling for hours on this until I figured out it can be done in one line of powershell:
invoke-webrequest -Uri "http://myserver/Reports/Pages/ReportViewer.aspx?%2fClients%2ftest&rs:Format=PDF&rs:ClearSession=true&CaseCode=12345678" -OutFile "C:\Temp\test.pdf" -UseDefaultCredentials
I looked into doing it purely in VBA but it runs to several pages, so I just call my powershell script from VBA every time I want to download a file.
Simple.
above given methods are for if you have an web url ,but if you have an local html then you can have also html by this code
AssetManager mgr = mContext.getAssets();
try {
InputStream in = null;
if(condition)//you have a local html saved in assets
{
in = mgr.open(mFileName,AssetManager.ACCESS_BUFFER);
}
else if(condition)//you have an url
{
URL feedURL = new URL(sURL);
in = feedURL.openConnection().getInputStream();}
// here you will get your html
String sHTML = streamToString(in);
in.close();
//display this html in the browser or web view
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
public static String streamToString(InputStream in) throws IOException {
if(in == null) {
return "";
}
Writer writer = new StringWriter();
char[] buffer = new char[1024];
try {
Reader reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
int n;
while ((n = reader.read(buffer)) != -1) {
writer.write(buffer, 0, n);
}
} finally {
}
return writer.toString();
}
This article "How to create PHP based email form with file attachment" presents step-by-step instructions how to achieve your requirement.
Quote:
This article shows you how to create a PHP based email form that supports file attachment. The article will also show you how to validate the type and size of the uploaded file.
It consists of the following steps:
The entire example code can be downloaded here
The first thing to do is to install the dependencies.
sudo apt-get build-dep python-psycopg2
After that go inside your virtualenv and use
pip install psycopg2-binary
These two commands should solve the problem.
When you want to create interval store promise to variable:
var p = $interval(function() { ... },1000);
And when you want to stop / clear the interval simply use:
$interval.cancel(p);
I've noticed that sometimes when switching git branches, Visual Studio (2017) will not recognize types from some files that had been added in the second branch. Deleting the .vs folder solves it, but it also trashes all your workspace settings. This trick seems to work well for me:
This causes Intellisense to parse the file that it missed when switching branches.
Use Tkinter there are a ton of tutorials online for this. basically, you can create events. Here is a link to a great site! This makes it easy to capture clicks. Also, if you are trying to make a game, Tkinter also has a GUI. Although, I wouldn't recommend Python for games at all, it could be a fun experiment. Good Luck!
It's been solved.
The losses only save to the History over the epochs. I was running iterations instead of using the Keras built in epochs option.
so instead of doing 4 iterations I now have
model.fit(......, nb_epoch = 4)
Now it returns the loss for each epoch run:
print(hist.history)
{'loss': [1.4358016599558268, 1.399221191623641, 1.381293383180471, h1.3758836857303727]}
Try something like this:
public class test
{
public static void main(String a[])
{
long tmp = 1346524199000;
Date d = new Date(tmp);
System.out.println(d);
}
}
Once you've done this
group p by p.SomeId into pg
you no longer have access to the range variables used in the initial from
. That is, you can no longer talk about p
or bp
, you can only talk about pg
.
Now, pg
is a group and so contains more than one product. All the products in a given pg
group have the same SomeId
(since that's what you grouped by), but I don't know if that means they all have the same BaseProductId
.
To get a base product name, you have to pick a particular product in the pg
group (As you are doing with SomeId
and CountryCode
), and then join to BaseProducts
.
var result = from p in Products
group p by p.SomeId into pg
// join *after* group
join bp in BaseProducts on pg.FirstOrDefault().BaseProductId equals bp.Id
select new ProductPriceMinMax {
SomeId = pg.FirstOrDefault().SomeId,
CountryCode = pg.FirstOrDefault().CountryCode,
MinPrice = pg.Min(m => m.Price),
MaxPrice = pg.Max(m => m.Price),
BaseProductName = bp.Name // now there is a 'bp' in scope
};
That said, this looks pretty unusual and I think you should step back and consider what you are actually trying to retrieve.
An instance is probably still running. This will fix it.
killall node
Update: This command will only work on Linux/Ubuntu & Mac.
If you are using Jackson 2, the message-converters tag is:
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="prefixJson" value="true"/>
<property name="supportedMediaTypes" value="application/json"/>
<property name="objectMapper">
<bean class="com.fasterxml.jackson.databind.ObjectMapper">
<property name="serializationInclusion" value="NON_NULL"/>
</bean>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
Easiest way to do it would be this
std::string myWord = "myWord";
char myArray[myWord.size()+1];//as 1 char space for null is also required
strcpy(myArray, myWord.c_str());
If you wanted to learn some GUI, may be tic tac toe is good. Even for console, I still find that is a fun problem. Not challenging but a little bit fun. Later you can advance some other games or port that game to GUI, client server or java applet for the web. I think if you want to learn something and get fun as well, game is a good choice:)
Use the format()
method for objects of class "yearmon"
. Here is your example date (properly created!)
date1 <- as.yearmon("Mar 2012", "%b %Y")
Then we can extract the date parts as required:
> format(date1, "%b") ## Month, char, abbreviated
[1] "Mar"
> format(date1, "%Y") ## Year with century
[1] "2012"
> format(date1, "%m") ## numeric month
[1] "03"
These are returned as characters. Where appropriate, wrap in as.numeric()
if you want the year or numeric month as a numeric variable, e.g.
> as.numeric(format(date1, "%m"))
[1] 3
> as.numeric(format(date1, "%Y"))
[1] 2012
See ?yearmon
and ?strftime
for details - the latter explains the placeholder characters you can use.
Make sure return type of you method is same what you want to return. Eg: `
public int get(int[] r)
{
return r[0];
}
`
Note : return type is int, not int[], so it is able to return int.
In general, prototype can be
public Type get(Type[] array, int index)
{
return array[index];
}
It's worth noting CSS3 substring attribute selectors
[attribute^=value] { /* starts with selector */
/* Styles */
}
[attribute$=value] { /* ends with selector */
/* Styles */
}
[attribute*=value] { /* contains selector */
/* Styles */
}
if in case you are not using name in input but other element, then you can target other element with there attribute.
[title~=flower] {_x000D_
border: 5px solid yellow;_x000D_
}
_x000D_
<img src="klematis.jpg" title="klematis flower" width="150" height="113">_x000D_
<img src="img_flwr.gif" title="flower" width="224" height="162">_x000D_
<img src="img_flwr.gif" title="flowers" width="224" height="162">
_x000D_
hope its help. Thank you
To get Tkinter input from the text box, you must add a few more attributes to the normal .get()
function. If we have a text box myText_Box
, then this is the method for retrieving its input.
def retrieve_input():
input = self.myText_Box.get("1.0",END)
The first part, "1.0"
means that the input should be read from line one, character zero (ie: the very first character). END
is an imported constant which is set to the string "end"
. The END
part means to read until the end of the text box is reached. The only issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END
to end-1c
(Thanks Bryan Oakley) The -1c
deletes 1 character, while -2c
would mean delete two characters, and so on.
def retrieve_input():
input = self.myText_Box.get("1.0",'end-1c')
Your query is very close. You should be able to use the following which includes the subject
in the final select list:
select u.name, u.subject, u.marks
from student s
unpivot
(
marks
for subject in (Maths, Science, English)
) u;
Oracle doesn't provide such IIF Function. Instead, try using one of the following alternatives:
SELECT DECODE(EMP_ID, 1, 'True', 'False') from Employee
SELECT CASE WHEN EMP_ID = 1 THEN 'True' ELSE 'False' END from Employee
You have mixed indentation formatting (spaces and tabs)
Go to Settings -> Preferences -> Tab Settings -> Replace by spaces
Select everything CTRL+A
Click TAB once, to add an indentation everywhere
Run SHIFT + TAB to remove the extra indentation, it will replace all TAB characters to 4 spaces.
use word boundaries \b,
The following (using four escapes) works in my environment: Mac, safari Version 10.0.3 (12602.4.8)
var myReg = new RegExp(‘\\\\b’+ variable + ‘\\\\b’, ‘g’)
Well, glad I asked. The solution I finally discovered was here:
How do I configure SQL Server Express to allow remote tcp/ip connections on port 1433?
So far, so good, and entirely expected. But then:
(Also, if you follow these steps, it's not necessary to enable SQL Server Browser, and you only need to allow port 1433, not 1434.)
These extra five steps are something I can't remember ever having had to do in a previous version of SQL Server, Express or otherwise. They appear to have been necessary because I'm using a named instance (myservername\SQLEXPRESS) on the server instead of a default instance. See here:
Configure a Server to Listen on a Specific TCP Port (SQL Server Configuration Manager)
Given your example, you need to add the following import in your main.main
class:
import second.second;
Some bonus advice, make sure you titlecase your class names as that is a Java standard. So your example Main class will have the structure:
package main; //lowercase package names
public class Main //titlecase class names
{
//Main class content
}
Try JdkRequest
from jcabi-http (I'm a developer). This is how it works:
String body = new JdkRequest("http://www.google.com")
.header("User-Agent", "it's me")
.fetch()
.body()
Check this blog post for more details: http://www.yegor256.com/2014/04/11/jcabi-http-intro.html
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.
I had the same issue with the following conditions:
src/test/java
).NullPointerException
.test-classes
folder, which explained the build failure.NullPointerException
in eclipse.I fixed this by placing the resource files in the resources folder in test: src/test/resources
using the same package structure as the source class.
BTW I used getClass().getResource(...)
The easy way: Pick an alternative Color Scheme:
Preferences > Color Scheme > ...pick one
The more complicated way: Edit the current color scheme file:
Preferences > Browse Packages > Color Scheme - Default > ... edit the Color Scheme file you are using:
Looking at the structure of the XML, drill down into dict > settings > settings > dict >
Look for the key (or add it if it's missing): lineHighlight
. Add a string with an #RRGGBB
or #RRGGBBAA
format.
import UIKit
let characters = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
var a: String = characters.randomElement()!
var b: String = characters.randomElement()!
var c: String = characters.randomElement()!
var d: String = characters.randomElement()!
var e: String = characters.randomElement()!
var f: String = characters.randomElement()!
var password = ("\(a)" + "\(b)" + "\(c)" + "\(d)" + "\(e)" + "\(f)")
print ( password)
The error is here:
hasLetter("a",words[]);
You are passing the first item of words
, instead of the array.
Instead, pass the array to the function:
hasLetter("a",words);
Problem solved!
Here's a breakdown of what the problem was:
I'm guessing in your browser (chrome throws a different error), words[] == words[0]
, so when you call hasLetter("a",words[]);
, you are actually calling hasLetter("a",words[0]);
. So, in essence, you are passing the first item of words to your function, not the array as a whole.
Of course, because words
is just an empty array, words[0]
is undefined
. Therefore, your function call is actually:
hasLetter("a", undefined);
which means that, when you try to access d[ascii]
, you are actually trying to access undefined[0]
, hence the error.
this seems simpler, but only works on Oracle:
ALTER TABLE [Table]
ALTER [Column] NUMBER DEFAULT 0 NOT NULL;
in addition, with this, you can also add columns, not just alter it. It updates to the default value (0) in this example, if the value was null.
Since you are iterating over an indexable collection (lists, etc.), I presume that you can then just iterate with the indices of the elements:
IntStream.range(0, params.size())
.forEach(idx ->
query.bind(
idx,
params.get(idx)
)
)
;
The resulting code is similar to iterating a list with the classic i++-style for loop, except with easier parallelizability (assuming, of course, that concurrent read-only access to params is safe).
This is big endian test from a configure script:
#include <inttypes.h>
int main(int argc, char ** argv){
volatile uint32_t i=0x01234567;
// return 0 for big endian, 1 for little endian.
return (*((uint8_t*)(&i))) == 0x67;
}
As you know the display
property cannot be animated BUT just by having it in your CSS it overrides the visibility
and opacity
transitions.
The solution...just removed the display
properties.
nav.main ul ul {_x000D_
position: absolute;_x000D_
list-style: none;_x000D_
opacity: 0;_x000D_
visibility: hidden;_x000D_
padding: 10px;_x000D_
background-color: rgba(92, 91, 87, 0.9);_x000D_
-webkit-transition: opacity 600ms, visibility 600ms;_x000D_
transition: opacity 600ms, visibility 600ms;_x000D_
}_x000D_
nav.main ul li:hover ul {_x000D_
visibility: visible;_x000D_
opacity: 1;_x000D_
}
_x000D_
<nav class="main">_x000D_
<ul>_x000D_
<li>_x000D_
<a href="">Lorem</a>_x000D_
<ul>_x000D_
<li><a href="">Ipsum</a>_x000D_
</li>_x000D_
<li><a href="">Dolor</a>_x000D_
</li>_x000D_
<li><a href="">Sit</a>_x000D_
</li>_x000D_
<li><a href="">Amet</a>_x000D_
</li>_x000D_
</ul>_x000D_
</li>_x000D_
</ul>_x000D_
</nav>
_x000D_