The registry/configurationSettings/XML argument still seems very active. I've used them all, as the technology has progressed, but my favourite is based on Threed's system combined with Isolated Storage.
The following sample allows storage of an objects named properties to a file in isolated storage. Such as:
AppSettings.Save(myobject, "Prop1,Prop2", "myFile.jsn");
Properties may be recovered using:
AppSettings.Load(myobject, "myFile.jsn");
It is just a sample, not suggestive of best practices.
internal static class AppSettings
{
internal static void Save(object src, string targ, string fileName)
{
Dictionary<string, object> items = new Dictionary<string, object>();
Type type = src.GetType();
string[] paramList = targ.Split(new char[] { ',' });
foreach (string paramName in paramList)
items.Add(paramName, type.GetProperty(paramName.Trim()).GetValue(src, null));
try
{
// GetUserStoreForApplication doesn't work - can't identify.
// application unless published by ClickOnce or Silverlight
IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForAssembly();
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(fileName, FileMode.Create, storage))
using (StreamWriter writer = new StreamWriter(stream))
{
writer.Write((new JavaScriptSerializer()).Serialize(items));
}
}
catch (Exception) { } // If fails - just don't use preferences
}
internal static void Load(object tar, string fileName)
{
Dictionary<string, object> items = new Dictionary<string, object>();
Type type = tar.GetType();
try
{
// GetUserStoreForApplication doesn't work - can't identify
// application unless published by ClickOnce or Silverlight
IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForAssembly();
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(fileName, FileMode.Open, storage))
using (StreamReader reader = new StreamReader(stream))
{
items = (new JavaScriptSerializer()).Deserialize<Dictionary<string, object>>(reader.ReadToEnd());
}
}
catch (Exception) { return; } // If fails - just don't use preferences.
foreach (KeyValuePair<string, object> obj in items)
{
try
{
tar.GetType().GetProperty(obj.Key).SetValue(tar, obj.Value, null);
}
catch (Exception) { }
}
}
}
A function is a piece of code that is called by name. It can be passed data to operate on (i.e. the parameters) and can optionally return data (the return value). All data that is passed to a function is explicitly passed.
A method is a piece of code that is called by a name that is associated with an object. In most respects it is identical to a function except for two key differences:
(this is a simplified explanation, ignoring issues of scope etc.)
Call to your bank and ask them to activate your card to internet-use. Thats what helped me.
#Reading the Host,username,password,port from excel file
import paramiko
import xlrd
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
loc = ('/Users/harshgow/Documents/PYTHON_WORK/labcred.xlsx')
wo = xlrd.open_workbook(loc)
sheet = wo.sheet_by_index(0)
Host = sheet.cell_value(0,1)
Port = int(sheet.cell_value(3,1))
User = sheet.cell_value(1,1)
Pass = sheet.cell_value(2,1)
def details(Host,Port,User,Pass):
ssh.connect(Host, Port, User, Pass)
print('connected to ip ',Host)
stdin, stdout, stderr = ssh.exec_command("")
stdin.write('xcommand SystemUnit Boot Action: Restart\n')
print('success')
details(Host,Port,User,Pass)
I think the question asker is (was) thinking that git bash is a command like git init or git checkout. Git bash is not a command, it is an interface. I will also assume the asker is not a linux user because bash is very popular the unix/linux world. The name "bash" is an acronym for "Bourne Again SHell". Bash is a text-only command interface that has features which allow automated scripts to be run. A good analogy would be to compare bash to the new PowerShell interface in Windows7/8. A poor analogy (but one likely to be more readily understood by more people) is the combination of the command prompt and .BAT (batch) command files from the days of DOS and early versions of Windows.
REFERENCES:
You've mixed tabs and spaces. __init__
is actually defined nested inside another method, so your class doesn't have its own __init__
method, and it inherits object.__init__
instead. Open your code in Notepad instead of whatever editor you're using, and you'll see your code as Python's tab-handling rules see it.
This is why you should never mix tabs and spaces. Stick to one or the other. Spaces are recommended.
There is a function in scipy named scipy.signal.find_peaks_cwt
which sounds like is suitable for your needs, however I don't have experience with it so I cannot recommend..
http://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.find_peaks_cwt.html
You can stop banging your heads now. Here is the wrapper for the member function to support existing functions taking in plain C functions as arguments. thread_local
directive is the key here.
// Example program
#include <iostream>
#include <string>
using namespace std;
typedef int FooCooker_ (int);
// Existing function
extern "C" void cook_10_foo (FooCooker_ FooCooker) {
cout << "Cooking 10 Foo ..." << endl;
cout << "FooCooker:" << endl;
FooCooker (10);
}
struct Bar_ {
Bar_ (int Foo = 0) : Foo (Foo) {};
int cook (int Foo) {
cout << "This Bar got " << this->Foo << endl;
if (this->Foo >= Foo) {
this->Foo -= Foo;
cout << Foo << " cooked" << endl;
return Foo;
} else {
cout << "Can't cook " << Foo << endl;
return 0;
}
}
int Foo = 0;
};
// Each Bar_ object and a member function need to define
// their own wrapper with a global thread_local object ptr
// to be called as a plain C function.
thread_local static Bar_* BarPtr = NULL;
static int cook_in_Bar (int Foo) {
return BarPtr->cook (Foo);
}
thread_local static Bar_* Bar2Ptr = NULL;
static int cook_in_Bar2 (int Foo) {
return Bar2Ptr->cook (Foo);
}
int main () {
BarPtr = new Bar_ (20);
cook_10_foo (cook_in_Bar);
Bar2Ptr = new Bar_ (40);
cook_10_foo (cook_in_Bar2);
delete BarPtr;
delete Bar2Ptr;
return 0;
}
Please comment on any issues with this approach.
Other answers fail to call existing plain C
functions: http://cpp.sh/8exun
It can be done in a very simple way using collections please find the code below
String[] array = {"name1","name1","name2","name2", "name2"};
List<String> sampleList=(List<String>) Arrays.asList(array);
for(String inpt:array){
int frequency=Collections.frequency(sampleList,inpt);
System.out.println(inpt+" "+frequency);
}
Here the output will be like name1 2 name1 2 name2 3 name2 3 name2 3
To avoid printing redundant keys use HashMap and get your desired output
There are already too many answers but nothing worked for me apart from this
inputMethodManager.showSoftInput(emailET,InputMethodManager.SHOW_FORCED);
I used showSoftInput
with SHOW_FORCED
And my activity has
android:windowSoftInputMode="stateVisible|adjustResize"
hope this helps someone
This might work for you:
cat <<! | sed '/aaa=\(bbb\|ccc\|ddd\)/!s/\(aaa=\).*/\1xxx/'
> aaa=bbb
> aaa=ccc
> aaa=ddd
> aaa=[something else]
!
aaa=bbb
aaa=ccc
aaa=ddd
aaa=xxx
Most of the answers are disabling animations or creating new copies of data which is an overkill in my opinion. They do work but they don't address the root cause of the issue. In my case it was due to using DiffUtils in a wrong way. In the areItemsTheSame(old, new)
method I did not properly implement the equality check, that, in turn cased the adapter to be notified by notifyItemRangeInserted()
even though the same number of items are in the new list. So pay close attention to how you implement the DiffUtils callbacks!
It is a number, not a string. Numbers don't have a toLowerCase()
function because numbers do not have case in the first place.
To make the function run without error, run it on a string.
var ans = "334";
Of course, the output will be the same as the input since, as mentioned, numbers don't have case in the first place.
For anyone getting this using ServiceStack backend; add "Authorization" to allowed headers in the Cors plugin:
Plugins.Add(new CorsFeature(allowedHeaders: "Content-Type,Authorization"));
You can not use multiple router outlets in the same template with ngIf
condition. But you can use it in the way shown below:
<div *ngIf="loading">
<span>loading true</span>
<ng-container *ngTemplateOutlet="template"></ng-container>
</div>
<div *ngIf="!loading">
<span>loading false</span>
<ng-container *ngTemplateOutlet="template"></ng-container>
</div>
<ng-template #template>
<router-outlet> </router-outlet>
</ng-template>
You may do it by using following code:
var url = "www.site.com/index.php#hello";
var hash = url.substring(url.indexOf('#')+1);
alert(hash);
You have a dictionary within a list. You must first extract the dictionary from the list and then process the items in the dictionary.
If your list contained multiple dictionaries and you wanted the value from each dictionary stored in a list as you have shown do this:
result_list = [[int(v) for k,v in d.items()] for d in qs]
Which is the same as:
result_list = []
for d in qs:
result_list.append([int(v) for k,v in d.items()])
The above will keep the values from each dictionary in their own separate list. If you just want all the values in one big list you can do this:
result_list = [int(v) for d in qs for k,v in d.items()]
There is another code that's works for me (jQuery).
$(".datepicker").datepicker({_x000D_
format: "dd/mm/yyyy",_x000D_
autoHide: true_x000D_
})
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/datepicker/0.6.5/datepicker.js"></script>_x000D_
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/datepicker/0.6.5/datepicker.css" />_x000D_
Date: <input type="text" readonly="true" class="datepicker">
_x000D_
Is key-value pair available in Typescript?
If you think of a C# KeyValuePair<string, string>: No, but you can easily define one yourself:
interface KeyValuePair {
key: string;
value: string;
}
Usage:
let foo: KeyValuePair = { key: "k", value: "val" };
Similar to Yada's answer: $request->url() will also work if you are injecting Illuminate\Http\Request
Edit: The difference between fullUrl and url is the fullUrl includes your query parameters
Reading the file
import h5py
f = h5py.File(file_name, mode)
Studying the structure of the file by printing what HDF5 groups are present
for key in f.keys():
print(key) #Names of the groups in HDF5 file.
Extracting the data
#Get the HDF5 group
group = f[key]
#Checkout what keys are inside that group.
for key in group.keys():
print(key)
data = group[some_key_inside_the_group].value
#Do whatever you want with data
#After you are done
f.close()
void show() throws Exception
{
throw new Exception("my.own.Exception");
}
As there is checked exception in show() method , which is not being handled in that method so we use throws keyword for propagating the Exception.
void show2() throws Exception //Why throws is necessary here ?
{
show();
}
Since you are using the show() method in show2() method and you have propagated the exception atleast you should be handling here. If you are not handling the Exception here , then you are using throws keyword. So that is the reason for using throws keyword at the method signature.
PROBLEM:
I had a problem with ConstraintLayout and ScrollView when i wanted to include it in another layout.
DECISION:
The solution to my problem was to use dataBinding.
Check for "projtemp" and then check if the previous one is a number entry (like 19,18..etc..) if that is so then get the row no of that proj temp ....
and if that is not so ..then re-check that the previous entry is projtemp or a number entry ...
The example in the other answer is unnecessarily complex. This would be more straightforward, if all you want to do is return the raw data objects for each document in a query or collection:
async getMarker() {
const snapshot = await firebase.firestore().collection('events').get()
return snapshot.docs.map(doc => doc.data());
}
shutil.copy
and shutil.copy2
are copying files.
shutil.copytree
copies a folder with all the files and all subfolders. shutil.copytree
is using shutil.copy2
to copy the files.
So the analog to cp -r
you are saying is the shutil.copytree
because cp -r
targets and copies a folder and its files/subfolders like shutil.copytree
. Without the -r
cp
copies files like shutil.copy
and shutil.copy2
do.
You can follow the image i shared to unstash if u accidentally tapped stashing.
If you have a checkbox in your html something like:
<input id="conducted" type = "checkbox" name="party" value="0">
and you want to add an EventListener to this checkbox using javascript, in your associated js file, you can do as follows:
checkbox = document.getElementById('conducted');
checkbox.addEventListener('change', e => {
if(e.target.checked){
//do something
}
});
Either of these 2:
NSString *subString = [dateString subStringWithRange:NSMakeRange(0,2)];
NSString *subString = [[dateString componentsSeparatedByString:@"/"] objectAtIndex:0];
Though keep in mind that sometimes a date string is not formatted properly and a day ( or a month for that matter ) is shown as 8, rather than 08 so the first one might be the worst of the 2 solutions.
The latter should be put into a separate array so you can actually check for the length of the thing returned, so you do not get any exceptions thrown in the case of a corrupt or invalid date string from whatever source you have.
Yes, nowadays you can develop apps for iOS in Python.
There are two frameworks that you may want to checkout: Kivy and PyMob.
Please consider the answers to this question too, as they are more up-to-date than this one.
Depends on the RDBMS or even the JDBC driver.
Most of the times you can use java.sql.Timestamp most of the times along with a prepared statement:
pstmt.setTimestamp( index, new Timestamp( yourJavaUtilDateInstance.getTime() );
I was trying to up the limit Wordpress sets on media uploads. I followed advice from some blog I’m not going to mention to raise the limit from 64MB to 2GB.
I did the following:
Created a (php.ini) file in WP ADMIN with the following integers:
upload_max_filesize = 2000MB
post_max_size = 2100MV
memory_limit = 2300MB
I immediately received this error when trying to log into my Wordpress dashboard to check if it worked:
“Allowed memory size of 262144 bytes exhausted (tried to allocate 24576 bytes)"
The above information in this chain helped me tremendously. (Stack usually does BTW)
I modified the PHP.ini file to the following:
upload_max_filesize = 2000M
post_max_size = 2100M
memory_limit = 536870912M
The major difference was only use M, not MB, and set that memory limit high.
As soon as I saved the changed the PHP.ini file, I saved it, went to login again and the login screen reappeared.
I went in and checked media uploads, ands bang:
I haven't restarted Apache yet… but all looks good.
Thanks everyone.
In case, it helps someone:
Use case: i am using a self-signed certificate for my development on localhost.
Error: Caused by: java.security.cert.CertificateException: No name matching localhost found
Solution: When you generate your self-signed certicate, make sure you answer this question like that(See Bruno's answer for the why):
What is your first and last name?
[Unknown]: localhost
As a bonus, here are my steps:
1. Generate self-signed certificate:
keytool -genkeypair -alias netty -storetype PKCS12 -keyalg RSA -keysize 2048 -keystore keystore.p12 -validity 4000
Enter keystore password: ***
Re-enter new password: ***
What is your first and last name?
[Unknown]: localhost
...
2. Copy the certificate in src/main/resources(if necessary)
3. Update the cacerts
keytool -v -importkeystore -srckeystore keystore.p12 -srcstoretype pkcs12 -destkeystore "%JAVA_HOME%\jre\lib\security\cacerts" -deststoretype jks
4. Update your config(in my case application.properties):
server.port=8443
server.ssl.key-store=classpath:keystore.p12
server.ssl.key-store-password=jumping_monkey
server.ssl.key-store-type=pkcs12
server.ssl.key-alias=netty
Cheers
Using using
is a pretty good way:
using (MyForm foo = new MyForm())
{
if (foo.ShowDialog() == DialogResult.OK)
{
// your code
}
}
Find the 69 line in the verndor-prefixes.less and write it following:
.panel {_x000D_
margin-bottom: 20px;_x000D_
height: 100px;_x000D_
background-color: #fff;_x000D_
border: 1px solid transparent;_x000D_
border-radius: 4px;_x000D_
-webkit-box-shadow: 0 1px 1px rgba(0,0,0,.05);_x000D_
box-shadow: 0 1px 1px rgba(0,0,0,.05);_x000D_
}
_x000D_
<WebView ref={'webview'} automaticallyAdjustContentInsets={false} source={require('../Assets/aboutus.html')} />
This worked for me :) I have html text aboutus file.
Subset is your safest and easiest answer.
subset(dataframe, A==B & E!=0)
Real data example with mtcars
subset(mtcars, cyl==6 & am!=0)
Starting in API 21 the notion of weight was added to GridLayout.
To support older android devices, you can use the GridLayout from the v7 support library.
compile 'com.android.support:gridlayout-v7:22.2.1'
The following XML gives an example of how you can use weights to fill the screen width.
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.GridLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:grid="http://schemas.android.com/apk/res-auto"
android:id="@+id/choice_grid"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:padding="4dp"
grid:alignmentMode="alignBounds"
grid:columnCount="2"
grid:rowOrderPreserved="false"
grid:useDefaultMargins="true">
<TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile1" />
<TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile2" />
<TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile3" />
<TextView
android:layout_width="0dp"
android:layout_height="100dp"
grid:layout_columnWeight="1"
grid:layout_gravity="fill_horizontal"
android:gravity="center"
android:background="#FF33B5E5"
android:text="Tile4" />
</android.support.v7.widget.GridLayout>
As of 30Jul, 2018 to fix the above issue, one can configure the java version used within maven to any up to JDK/11 and make use of the maven-compiler-plugin:3.8.0
to specify a release of either 9,10,11 without any explicit dependencies.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<release>11</release> <!--or <release>10</release>-->
</configuration>
</plugin>
Note:- The default value for source/target has been lifted from 1.5 to 1.6 with this version. -- release notes.
Edit [30.12.2018]
In fact, you can make use of the same version of maven-compiler-plugin
while compiling the code against JDK/12 as well.
More details and a sample configuration in how to Compile and execute a JDK preview feature with Maven.
You can also do
t.index([:branch_id, :party_id], unique: true, name: 'by_branch_party')
as in the Ruby on Rails API.
For mariaDB you can:
SELECT DATE_FORMAT(date, '%m-%Y')
FROM [Order]
GROUP BY
DATE_FORMAT(date, '%m-%Y')
Answer offered by @faham is a nice one-liner, but it doesn't return the index to the dictionary containing the value. Instead it returns the dictionary itself. Here is a simple way to get: A list of indexes one or more if there are more than one, or an empty list if there are none:
list = [{'id':'1234','name':'Jason'},
{'id':'2345','name':'Tom'},
{'id':'3456','name':'Art'}]
[i for i, d in enumerate(list) if 'Tom' in d.values()]
Output:
>>> [1]
What I like about this approach is that with a simple edit you can get a list of both the indexes and the dictionaries as tuples. This is the problem I needed to solve and found these answers. In the following, I added a duplicate value in a different dictionary to show how it works:
list = [{'id':'1234','name':'Jason'},
{'id':'2345','name':'Tom'},
{'id':'3456','name':'Art'},
{'id':'4567','name':'Tom'}]
[(i, d) for i, d in enumerate(list) if 'Tom' in d.values()]
Output:
>>> [(1, {'id': '2345', 'name': 'Tom'}), (3, {'id': '4567', 'name': 'Tom'})]
This solution finds all dictionaries containing 'Tom' in any of their values.
Well, to do it with eloquent you would do:
Blog:all();
From within your Model you do:
return DB::table('posts')->get();
You need to link both a.o
and b.o
:
gcc -o program a.c b.c
If you have a main()
in each file, you cannot link them together.
However, your a.c
file contains a reference to doSomething()
and expects to be linked with a source file that defines doSomething()
and does not define any function that is defined in a.c
(such as main()
).
You cannot call a function in Process B from Process A. You cannot send a signal to a function; you send signals to processes, using the kill()
system call.
The signal()
function specifies which function in your current process (program) is going to handle the signal when your process receives the signal.
You have some serious work to do understanding how this is going to work - how ProgramA is going to know which process ID to send the signal to. The code in b.c
is going to need to call signal()
with dosomething
as the signal handler. The code in a.c
is simply going to send the signal to the other process.
If you want to set required to true
$(document).ready(function(){
$('#edit-submitted-first-name').prop('required',true);
});
if you want to set required to false
$(document).ready(function(){
$('#edit-submitted-first-name').prop('required',false);
});
Well I personally use this function, written by me
import string
def to_base(value, base, digits=string.digits+string.ascii_letters): # converts decimal to base n
digits_slice = digits[0:base]
temporary_var = value
data = [temporary_var]
while True:
temporary_var = temporary_var // base
data.append(temporary_var)
if temporary_var < base:
break
result = ''
for each_data in data:
result += digits_slice[each_data % base]
result = result[::-1]
return result
This is how you can use it
print(to_base(7, base=2))
Output:
"111"
print(to_base(23, base=3))
Output:
"212"
Please feel free to suggest improvements in my code.
if you're using java.util.logging, then there is a configuration file that is doing this to log contents (unless you're using programmatic configuration). So, your options are
1) run post -processor that removes the line breaks
2) change the log configuration AND remove the line breaks from it. Restart your application (server) and you should be good.
Perhaps am late or maybe you've already used it before but there is another one called ksoap and its pretty amazing.. It also includes timeouts and can parse any SOAP based webservice efficiently. I also made a few changes to suit my parsing.. Look it up
What about normal encoded white-space character?
 
Sample programs as follows and provided on link also https://oracle-concepts-learning.blogspot.com/
plsql table or associated array.
DECLARE
TYPE salary IS TABLE OF NUMBER INDEX BY VARCHAR2(20);
salary_list salary;
name VARCHAR2(20);
BEGIN
-- adding elements to the table
salary_list('Rajnish') := 62000; salary_list('Minakshi') := 75000;
salary_list('Martin') := 100000; salary_list('James') := 78000;
-- printing the table name := salary_list.FIRST; WHILE name IS NOT null
LOOP
dbms_output.put_line ('Salary of ' || name || ' is ' ||
TO_CHAR(salary_list(name)));
name := salary_list.NEXT(name);
END LOOP;
END;
/
I agree with Jim Blizard. The database is not the part of your technology stack that should send emails. For example, what if you send an email but then roll back the change that triggered that email? You can't take the email back.
It's better to send the email in your application code layer, after your app has confirmed that the SQL change was made successfully and committed.
All of these answers are excellent if you want to use optional parameters, but another Pythonic possibility is to use a classmethod to generate a factory-style pseudo-constructor:
def __init__(self, num_holes):
# do stuff with the number
@classmethod
def fromRandom(cls):
return cls( # some-random-number )
This is a simple timer class in swift that enables you to:
SimpleTimer(interval: 3,repeats: true){print("tick")}.start()//Ticks every 3 secs
class SimpleTimer {/*<--was named Timer, but since swift 3, NSTimer is now Timer*/
typealias Tick = ()->Void
var timer:Timer?
var interval:TimeInterval /*in seconds*/
var repeats:Bool
var tick:Tick
init( interval:TimeInterval, repeats:Bool = false, onTick:@escaping Tick){
self.interval = interval
self.repeats = repeats
self.tick = onTick
}
func start(){
timer = Timer.scheduledTimer(timeInterval: interval, target: self, selector: #selector(update), userInfo: nil, repeats: true)//swift 3 upgrade
}
func stop(){
if(timer != nil){timer!.invalidate()}
}
/**
* This method must be in the public or scope
*/
@objc func update() {
tick()
}
}
In Ruby, the Windows version anyways, I just checked and __FILE__
does not contain the full path to the file. Instead it contains the path to the file relative to where it's being executed from.
In PHP __FILE__
is the full path (which in my opinion is preferable). This is why, in order to make your paths portable in Ruby, you really need to use this:
File.expand_path(File.dirname(__FILE__) + "relative/path/to/file")
I should note that in Ruby 1.9.1 __FILE__
contains the full path to the file, the above description was for when I used Ruby 1.8.7.
In order to be compatible with both Ruby 1.8.7 and 1.9.1 (not sure about 1.9) you should require files by using the construct I showed above.
I was searching for the option where I can define the line range and found the answer. For example I want to change host1 to host2 from line 36-57.
sed '36,57 s/host1/host2/g' myfile.txt > myfile1.txt
You can use gi option as well to ignore the character case.
sed '30,40 s/version/story/gi' myfile.txt > myfile1.txt
you can also do it like that :
$ver = $em->getRepository('GedDocumentBundle:version')->search($val);
$tail = sizeof($ver);
I would like to add a standard library option (i.e. cross-platform) how to generate exception backtraces, which has become available with C++11:
std::nested_exception
and std::throw_with_nested
This won't give you a stack unwind, but in my opinion the next best thing. It is described on StackOverflow here and here, how you can get a backtrace on your exceptions inside your code without need for a debugger or cumbersome logging, by simply writing a proper exception handler which will rethrow nested exceptions.
Since you can do this with any derived exception class, you can add a lot of information to such a backtrace! You may also take a look at my MWE on GitHub, where a backtrace would look something like this:
Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"
Jeremy Keith (@adactio) has a good solution for this on his blog Orientation and scale
Keep the Markup scalable by not setting a maximum-scale in markup.
<meta name="viewport" content="width=device-width, initial-scale=1">
Then disable scalability with javascript on load until gesturestart when you allow scalability again with this script:
if (navigator.userAgent.match(/iPhone/i) || navigator.userAgent.match(/iPad/i)) {
var viewportmeta = document.querySelector('meta[name="viewport"]');
if (viewportmeta) {
viewportmeta.content = 'width=device-width, minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0';
document.body.addEventListener('gesturestart', function () {
viewportmeta.content = 'width=device-width, minimum-scale=0.25, maximum-scale=1.6';
}, false);
}
}
Update 22-12-2014:
On an iPad 1 this doesnt work, it fails on the eventlistener. I've found that removing .body
fixes that:
document.addEventListener('gesturestart', function() { /* */ });
First of all you should use double "==" instead of "=" to compare two values. Using "=" You assigning value to variable in this case "somevar"
You could use java-aes-crypto or Facebook's Conceal
java-aes-crypto
Quoting from the repo
A simple Android class for encrypting & decrypting strings, aiming to avoid the classic mistakes that most such classes suffer from.
Facebook's conceal
Quoting from the repo
Conceal provides easy Android APIs for performing fast encryption and authentication of data
// http headers for zip downloads
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public");
header("Content-Description: File Transfer");
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"".$filename."\"");
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".filesize($filepath.$filename));
ob_end_flush();
@readfile($filepath.$filename);
I found this soludtion here and it work for me
Import DatePipe from angular/common and then use the below code:
var datePipe = new DatePipe();
this.setDob = datePipe.transform(userdate, 'dd/MM/yyyy');
where userdate will be your date string. See if this helps.
Make note of the lowercase for date and year :
d- date
M- month
y-year
EDIT
You have to pass locale
string as an argument to DatePipe, in latest angular. I have tested in angular 4.x
For Example:
var datePipe = new DatePipe('en-US');
According to Scalability and Limits section in http://dev.mysql.com/doc/refman/5.6/en/features.html, MySQL support for large databases. They use MySQL Server with databases that contain 50 million records. Some users use MySQL Server with 200,000 tables and about 5,000,000,000 rows.
//String to Date Convert
var dateString = "2014-01-12"
var dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd"
let s = dateFormatter.dateFromString(dateString)
println(s)
//CONVERT FROM NSDate to String
let date = NSDate()
var dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = "yyyy-MM-dd"
var dateString = dateFormatter.stringFromDate(date)
println(dateString)
In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
I'll use a common example in biology; reconstructing a genome by making DNA samples.
De-novo assembly
To construct a genome from short reads, it's necessary to construct a graph of those reads. We do it by breaking the reads into k-mers and assemble them into a graph.
We can reconstruct the genome by visiting each node once as in the diagram. This is known as Hamiltonian path.
Unfortunately, constructing such path is NP-hard. It's not possible to derive an efficient algorithm for solving it. Instead, in bioinformatics we construct a Eulerian cycle where an edge represents an overlap.
I'm running SQL Developer 17.2.0.188 build 188.1159 which does indeed contain data modeling capability. I just created a relational model diagram via the menu: File->Data Modeler->Import->Data Dictionary....
I also have the stand-alone Data Modeler, which does the same thing.
As the Data Modeler tutorial states:
Figure 4: Relational model and diagram for HR
The diagram you’ve generated is not an ERD. Logical models are higher abstractions. An ERD represents entities and their attributes and relations, whereas a relational or physical model represents tables, columns, and foreign keys."
this will word definitely. i use this function for myself as well.
public static bool isFormOpen(Form formm)
{
foreach (Form OpenForm in Application.OpenForms)
{
if (OpenForm.Name == formm.Name)
{
return true;
}
}
return false;
}
You can use an infinite loop to achieve this:
while true
do
read -p "Enter password" passwd
case "$passwd" in
<some good condition> ) break;;
esac
done
If you want to simply remove the value in the combo box:
me.combobox = ""
If you want to remove the recordset of the combobox, the easiest way is:
me.combobox.recordset = ""
me.combobox.requery
The issue seems to start happening in Xcode 11.
In XCode 10.1, I had to set "Library Search Paths" to something like $(PROJECT_DIR)/.../path/to/your/library
One way to skip this is by creating a specific app password variable.
And you can use that generated password
to access or to push commits from your terminal, when using a Google Account to sign in into Bitbucket.
Using : Page Visibility API
document.addEventListener( 'visibilitychange' , function() {
if (document.hidden) {
console.log('bye');
} else {
console.log('well back');
}
}, false );
Can i use ? http://caniuse.com/#feat=pagevisibility
There is no real limit -- everything is named with a 160-bit name. The size of the file must be representable in a 64 bit number so no real limit there either.
There is a practical limit, though. I have a repository that's ~8GB with >880,000 files and git gc takes a while. The working tree is rather large so operations that inspect the entire working directory take quite a while. This repo is only used for data storage, though, so it's just a bunch of automated tools that handle it. Pulling changes from the repo is much, much faster than rsyncing the same data.
%find . -type f | wc -l
791887
%time git add .
git add . 6.48s user 13.53s system 55% cpu 36.121 total
%time git status
# On branch master
nothing to commit (working directory clean)
git status 0.00s user 0.01s system 0% cpu 47.169 total
%du -sh .
29G .
%cd .git
%du -sh .
7.9G .
Use the following methods
1: Method one
var count = 123;
var message = $"Rows count is: {count}";
2: Method two
var count = 123;
var message = "Rows count is:" + count;
3: Method three
var count = 123;
var message = string.Format("Rows count is:{0}", count);
4: Method four
var count = 123;
var message = @"Rows
count
is:{0}" + count;
5: Method five
var count = 123;
var message = $@"Rows
count
is: {count}";
The following command will do what you asked for "extract the lines between 1234 and 5555" in someFile.
sed -n '1234,5555p' someFile
You could use 'corrplot' package.
d <- data.frame(x1=rnorm(10),
x2=rnorm(10),
x3=rnorm(10))
M <- cor(d) # get correlations
library('corrplot') #package corrplot
corrplot(M, method = "circle") #plot matrix
More information here: http://cran.r-project.org/web/packages/corrplot/vignettes/corrplot-intro.html
Leave off the quotes
$cmd &
$othercmd &
eg:
nicholas@nick-win7 /tmp
$ cat test
#!/bin/bash
cmd="ls -la"
$cmd &
nicholas@nick-win7 /tmp
$ ./test
nicholas@nick-win7 /tmp
$ total 6
drwxrwxrwt+ 1 nicholas root 0 2010-09-10 20:44 .
drwxr-xr-x+ 1 nicholas root 4096 2010-09-10 14:40 ..
-rwxrwxrwx 1 nicholas None 35 2010-09-10 20:44 test
-rwxr-xr-x 1 nicholas None 41 2010-09-10 20:43 test~
as others have said new line char will give you a new line in a text file in windows. try the following:
using System;
using System.IO;
static class Program
{
static void Main()
{
WriteToFile
(
@"C:\test.txt",
"fkdfdsfdflkdkfk@dfsdfjk72388389@kdkfkdfkkl@jkdjkfjd@jjjk@",
"@"
);
/*
output in test.txt in windows =
fkdfdsfdflkdkfk@
dfsdfjk72388389@
kdkfkdfkkl@
jkdjkfjd@
jjjk@
*/
}
public static void WriteToFile(string filename, string text, string newLineDelim)
{
bool equal = Environment.NewLine == "\r\n";
//Environment.NewLine == \r\n = True
Console.WriteLine("Environment.NewLine == \\r\\n = {0}", equal);
//replace newLineDelim with newLineDelim + a new line
//trim to get rid of any new lines chars at the end of the file
string filetext = text.Replace(newLineDelim, newLineDelim + Environment.NewLine).Trim();
using (StreamWriter sw = new StreamWriter(File.OpenWrite(filename)))
{
sw.Write(filetext);
}
}
}
Like most JavaScript problems, there are many solutions. You could extend the Object that for better or worse works like many other languages' Dictionary (+ first class citizens). Nothing wrong with that, but another option is to construct a new Object that meets your specific needs.
function uberject(obj){
this._count = 0;
for(var param in obj){
this[param] = obj[param];
this._count++;
}
}
uberject.prototype.getLength = function(){
return this._count;
};
var foo = new uberject({bar:123,baz:456});
alert(foo.getLength());
use this
<div id="date">23/05/2013</div>
<script type="text/javascript">
$(document).ready(function(){
var x = $("#date").text();
x.text(x.substring(0, 2) + '<br />'+x.substring(3));
});
</script>
carlpett's find
-based answer (find . -maxdepth 1 -type f
) works in principle, but is not quite the same as using ls
: you get a potentially unsorted list of filenames all prefixed with ./
, and you lose the ability to apply ls
's many options;
also find
invariably finds hidden items too, whereas ls
' behavior depends on the presence or absence of the -a
or -A
options.
An improvement, suggested by Alex Hall in a comment on the question is to combine shell globbing with find
:
find * -maxdepth 0 -type f # find -L * ... includes symlinks to files
ls
's many other sorting / output-format options.Hans Roggeman's ls
+ grep
answer is pragmatic, but locks you into using long (-l
) output format.
To address these limitations I wrote the fls
(filtering ls) utility,
ls
while also providing type-filtering capability,f
for files, d
for directories, and l
for symlinks before a list of ls
arguments (run fls --help
or fls --man
to learn more).Examples:
fls f # list all files in current dir.
fls d -tA ~ # list dirs. in home dir., including hidden ones, most recent first
fls f^l /usr/local/bin/c* # List matches that are files, but not (^) symlinks (l)
Supported platforms
Note: Even if you don't use Node.js, its package manager, npm
, works across platforms and is easy to install; try
curl -L https://git.io/n-install | bash
With Node.js installed, install as follows:
[sudo] npm install fls -g
Note:
Whether you need sudo
depends on how you installed Node.js / io.js and whether you've changed permissions later; if you get an EACCES
error, try again with sudo
.
The -g
ensures global installation and is needed to put fls
in your system's $PATH
.
bash
script as fls
.chmod +x fls
.$PATH
, such as /usr/local/bin
(macOS) or /usr/bin
(Linux).With the global configuration that you have defined for the exec-maven-plugin:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.4.0</version>
<configuration>
<mainClass>org.dhappy.test.NeoTraverse</mainClass>
</configuration>
</plugin>
invoking mvn exec:java
on the command line will invoke the plugin which is configured to execute the class org.dhappy.test.NeoTraverse
.
So, to trigger the plugin from the command line, just run:
mvn exec:java
Now, if you want to execute the exec:java
goal as part of your standard build, you'll need to bind the goal to a particular phase of the default lifecycle. To do this, declare the phase
to which you want to bind the goal in the execution
element:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<id>my-execution</id>
<phase>package</phase>
<goals>
<goal>java</goal>
</goals>
</execution>
</executions>
<configuration>
<mainClass>org.dhappy.test.NeoTraverse</mainClass>
</configuration>
</plugin>
With this example, your class would be executed during the package
phase. This is just an example, adapt it to suit your needs. Works also with plugin version 1.1.
I was getting same error with python-2. I wanted to run python-2 jupyter notebook session but by default I was getting python-3. So easiest work around is open Anaconda terminal for python-2 and type 'jupyter notebook' , it will launch jupyter-notebook session without any problem. Similary it could be tried with python-3
Collection initializers are only available in VB.NET 2010, released 2010-04-12:
Dim theVar = New List(Of String) From { "one", "two", "three" }
To print the second line:
awk 'FNR == 2 {print}'
To print the second field:
awk '{print $2}'
To print the third field of the fifth line:
awk 'FNR == 5 {print $3}'
Here's an example with a header line and (redundant) field descriptions:
awk 'BEGIN {print "Name\t\tAge"} FNR == 5 {print "Name: "$3"\tAge: "$2}'
There are better ways to align columns than "\t\t" by the way.
Use exit
to stop as soon as you've printed the desired record if there's no reason to process the whole file:
awk 'FNR == 2 {print; exit}'
I would go through the packet capture and see if there are any records that I know I should be seeing to validate that the filter is working properly and to assuage any doubts.
That said, please try the following filter and see if you're getting the entries that you think you should be getting:
dns and ip.dst==159.25.78.7 or dns and ip.src==159.57.78.7
I found possible answer. You have core-js version 3.0, and this version doesn't have separate folders for ES6 and ES7; that's why the application cannot find correct paths.
To resolve this error, you can downgrade the core-js version to 2.5.7. This version produces correct catalogs structure, with separate ES6 and ES7 folders.
To downgrade the version, simply run:
npm i -S [email protected]
In my case, with Angular, this works ok.
Don't forget to look at the Javascript as well. My guess is that there is custom Javascript code getting executed when you click on the link and it's that Javascript that is generating the URL and navigating to it.
console.debug("");
Using this method prints out the text in a bright blue color in the console.
A handy one-liner to delete branches other than 'master' from origin:
git branch --remotes | grep -v 'origin/master' | sed "s/origin\///" | xargs -i{foo} git push origin --delete {foo}
Be sure you understand the implications of running this before doing so!
tput cols
tells you the number of columns.tput lines
tells you the number of rows.As you're using Python 3, there is no urllib module anymore. It has been split into several modules.
This would be equivalent to urlretrieve:
import urllib.request
data = urllib.request.urlretrieve("http://...")
urlretrieve behaves exactly the same way as it did in Python 2.x, so it'll work just fine.
Basically:
urlretrieve
saves the file to a temporary file and returns a tuple (filename, headers)
urlopen
returns a Request
object whose read
method returns a bytestring containing the file contentsYou can use sort() function. sort() exists in algorithm header file
#include<bits/stdc++.h>
using namespace std;
int main()
{
ios::sync_with_stdio(false);
string str = "sharlock";
sort(str.begin(), str.end());
cout<<str<<endl;
return 0;
}
Output:
achklors
Before you run the $object through a foreach loop you have to convert it to an array:
$array = (array) $object;
foreach($array as $key=>$val){
echo "$key: $val";
echo "<br>";
}
Java doesn't overload operators, so you'll usually need a method for non-basic types. Try the Arrays.equals() method.
If feed isn't well-formed XML, you're supposed to reject it, no exceptions. You're entitled to call feed creator a bozo.
Otherwise you're paving way to mess that HTML ended up in.
safeAreaLayoutGuide When the view is visible onscreen, this guide reflects the portion of the view that is not covered by navigation bars, tab bars, toolbars, and other ancestor views. (In tvOS, the safe area reflects the area not covered the screen's bezel.) If the view is not currently installed in a view hierarchy, or is not yet visible onscreen, the layout guide edges are equal to the edges of the view.
Then to get the height of the red arrow in the screenshot it's:
self.safeAreaLayoutGuide.layoutFrame.size.height
Here's a simple solution using javascript replace
var st = '{getThis}';
st = st.replace(/\{|\}/gi,''); // "getThis"
As the accepted answer above points out the original problem is easily solved with substring, but using replace can solve the more complicated use cases
If you have a string like "randomstring999[fieldname]" You use a slightly different pattern to get fieldname
var nameAttr = "randomstring999[fieldname]";
var justName = nameAttr.replace(/.*\[|\]/gi,''); // "fieldname"
Several methods are covered in
"51} How can I echo lines in different colors in NT scripts?"
http://www.netikka.net/tsneti/info/tscmd051.htm
One of the alternatives: If you can get hold of QBASIC, using colors is relatively easy:
@echo off & setlocal enableextensions
for /f "tokens=*" %%f in ("%temp%") do set temp_=%%~sf
set skip=
findstr "'%skip%QB" "%~f0" > %temp_%\tmp$$$.bas
qbasic /run %temp_%\tmp$$$.bas
for %%f in (%temp_%\tmp$$$.bas) do if exist %%f del %%f
endlocal & goto :EOF
::
CLS 'QB
COLOR 14,0 'QB
PRINT "A simple "; 'QB
COLOR 13,0 'QB
PRINT "color "; 'QB
COLOR 14,0 'QB
PRINT "demonstration" 'QB
PRINT "By Prof. (emer.) Timo Salmi" 'QB
PRINT 'QB
FOR j = 0 TO 7 'QB
FOR i = 0 TO 15 'QB
COLOR i, j 'QB
PRINT LTRIM$(STR$(i)); " "; LTRIM$(STR$(j)); 'QB
COLOR 1, 0 'QB
PRINT " "; 'QB
NEXT i 'QB
PRINT 'QB
NEXT j 'QB
SYSTEM 'QB
Since the suggestion of a loop implies the request for a procedure type solution. Here is mine.
Any query which works on any single record taken from a table can be wrapped in a procedure to make it run through each row of a table like so:
First delete any existing procedure with the same name, and change the delimiter so your SQL doesn't try to run each line as you're trying to write the procedure.
DROP PROCEDURE IF EXISTS ROWPERROW;
DELIMITER ;;
Then here's the procedure as per your example (table_A and table_B used for clarity)
CREATE PROCEDURE ROWPERROW()
BEGIN
DECLARE n INT DEFAULT 0;
DECLARE i INT DEFAULT 0;
SELECT COUNT(*) FROM table_A INTO n;
SET i=0;
WHILE i<n DO
INSERT INTO table_B(ID, VAL) SELECT (ID, VAL) FROM table_A LIMIT i,1;
SET i = i + 1;
END WHILE;
End;
;;
Then dont forget to reset the delimiter
DELIMITER ;
And run the new procedure
CALL ROWPERROW();
You can do whatever you like at the "INSERT INTO" line which I simply copied from your example request.
Note CAREFULLY that the "INSERT INTO" line used here mirrors the line in the question. As per the comments to this answer you need to ensure that your query is syntactically correct for which ever version of SQL you are running.
In the simple case where your ID field is incremented and starts at 1 the line in the example could become:
INSERT INTO table_B(ID, VAL) VALUES(ID, VAL) FROM table_A WHERE ID=i;
Replacing the "SELECT COUNT" line with
SET n=10;
Will let you test your query on the first 10 record in table_A only.
One last thing. This process is also very easy to nest across different tables and was the only way I could carry out a process on one table which dynamically inserted different numbers of records into a new table from each row of a parent table.
If you need it to run faster then sure try to make it set based, if not then this is fine. You could also rewrite the above in cursor form but it may not improve performance. eg:
DROP PROCEDURE IF EXISTS cursor_ROWPERROW;
DELIMITER ;;
CREATE PROCEDURE cursor_ROWPERROW()
BEGIN
DECLARE cursor_ID INT;
DECLARE cursor_VAL VARCHAR;
DECLARE done INT DEFAULT FALSE;
DECLARE cursor_i CURSOR FOR SELECT ID,VAL FROM table_A;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
OPEN cursor_i;
read_loop: LOOP
FETCH cursor_i INTO cursor_ID, cursor_VAL;
IF done THEN
LEAVE read_loop;
END IF;
INSERT INTO table_B(ID, VAL) VALUES(cursor_ID, cursor_VAL);
END LOOP;
CLOSE cursor_i;
END;
;;
Remember to declare the variables you will use as the same type as those from the queried tables.
My advise is to go with setbased queries when you can, and only use simple loops or cursors if you have to.
You can use ApexSQL Search, it's a free SSMS and Visual Studio add-in and it can list all objects that reference a specific table column. It can also find data stored in tables and views. You can easily filter the results to show a specific database object type that references the column
Disclaimer: I work for ApexSQL as a Support Engineer
If you want to set only one specific class, you might write a TypeScript function returning a boolean to determine when the class should be appended.
TypeScript
function hideThumbnail():boolean{
if (/* Your criteria here */)
return true;
}
CSS:
.request-card-hidden {
display: none;
}
HTML:
<ion-note [class.request-card-hidden]="hideThumbnail()"></ion-note>
There is something explained here :
The following PHP worked for me (using mysqli extension but queries should be the same for other extensions):
$db = new mysqli( 'localhost', 'user', 'pass', 'dbname' );
// to get the max_allowed_packet
$maxp = $db->query( 'SELECT @@global.max_allowed_packet' )->fetch_array();
echo $maxp[ 0 ];
// to set the max_allowed_packet to 500MB
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you expect to be pretty long, you can make sure that mysql will accept it with something like:
$sql = "some really long sql query...";
$db->query( 'SET @@global.max_allowed_packet = ' . strlen( $sql ) + 1024 );
$db->query( $sql );
Notice that I added on an extra 1024 bytes to the length of the string because according to the manual,
The value should be a multiple of 1024; nonmultiples are rounded down to the nearest multiple.
That should hopefully set the max_allowed_packet size large enough to handle your query. I haven't tried this on a shared host, so the same caveat as @Glebushka applies.
Lets seperate your question, you are asking about two different things:
1.
I'm trying to write a validation which alerts the user when he tries to close the browser window.
2.
I want to pop up a message when the user clicks on v1 that "he's about to leave from v1, if he wishes to continue" and same on clicking on v2.
For the first question, do it this way:
window.onbeforeunload = function (event) {
var message = 'Sure you want to leave?';
if (typeof event == 'undefined') {
event = window.event;
}
if (event) {
event.returnValue = message;
}
return message;
}
And for the second question, do it this way:
You should handle the $locationChangeStart
event in order to hook up to view transition event, so use this code to handle the transition validation in your controller/s:
function MyCtrl1($scope) {
$scope.$on('$locationChangeStart', function(event) {
var answer = confirm("Are you sure you want to leave this page?")
if (!answer) {
event.preventDefault();
}
});
}
from selenium.webdriver.firefox.options import Options
if __name__ == "__main__":
options = Options()
options.add_argument('-headless')
driver = Firefox(executable_path='geckodriver', firefox_options=options)
wait = WebDriverWait(driver, timeout=10)
driver.get('http://www.google.com')
Tested, works as expected and this is from Official - Headless Mode | Mozilla
This maybe because the c compiler is designed to work in linux.I had this problem too and to fix it go to tools
and select compiler options
.In the box click on programs
Now you will see a tab with gcc
and make
and the respective path to it.Edit the gcc
and make
path to use mingw32-c++.exe
and mingw32-make.exe
respectively.Now it will work.
The reason was that you were using compilers built for linux.
The smartest solution is to follow facebook's path on this. How does facebook know who you are when you visit any domain? It's actually very simple:
The Like button actually allows Facebook to track all visitors of the external site, no matter if they click it or not. Facebook can do that because they use an iframe to display the button. An iframe is something like an embedded browser window within a page. The difference between using an iframe and a simple image for the button is that the iframe contains a complete web page – from Facebook. There is not much going on on this page, except for the button and the information about how many people have liked the current page.
So when you see a like button on cnn.com, you are actually visiting a Facebook page at the same time. That allows Facebook to read a cookie on your computer, which it has created the last time you’ve logged in to Facebook.
A fundamental security rule in every browser is that only the website that has created a cookie can read it later on. And that is the advantage of the iframe: it allows Facebook to read your Facebook-cookie even when you are visiting a different website. That’s how they recognize you on cnn.com and display your friends there.
Source:
Since iOS 11, you can use the native framework called PDFKit for displaying and manipulating PDFs.
After importing PDFKit, you should initialize a PDFView
with a local or a remote URL and display it in your view.
if let url = Bundle.main.url(forResource: "example", withExtension: "pdf") {
let pdfView = PDFView(frame: view.frame)
pdfView.document = PDFDocument(url: url)
view.addSubview(pdfView)
}
Read more about PDFKit in the Apple Developer documentation.
Installing modules usually requires you to run an sql script that is included with the database installation.
Assuming linux-like OS
find / -name dblink.sql
Verify the location and run it
You forgot the () at the end. It is not a variable, but a function and when there are not parameters, you still need the () at the end.
For future coding practices, I would highly recommend reforming the code a little bit as this can become frustrating to read:
public string LastName
{ get { return lastName; } set { lastName = value; } }
If there is any kind of processing which happens in here (thankfully doesn't happen here), it will become very confusing. If you're going to pass your code onto someone else, I would recommend:
public string LastName
{
get
{
return lastName;
}
set
{
lastName = value;
}
}
It's a lot longer, but it's much easier to read when glancing at a huge section of code.
You can simply make the top div fixed:
#top { position: fixed; top: 20px; left: 20px; }
the new versions of mysql-connector establish SSL connection by default ...to solve it:
Download the older version of mysql-connector such as mysql-connector-java-5.0.8.zip
. . or . . Download OpenSSL for Windows and follow the instructions how to set it
To answer your question, yes you may pass JSON in the URI as part of a GET request (provided you URL-encode). However, considering your reason for doing this is due to the length of the URI, using JSON will be self-defeating (introducing more characters than required).
I suggest you send your parameters in body of a POST request, either in regular CGI style (param1=val1¶m2=val2
) or JSON (parsed by your API upon receipt)
What you mean is either
SELECT DISTINCT a, b FROM pairs;
or
SELECT a, b FROM pairs GROUP BY a, b;
Google search found me this article, and I did not see the following "personal solution" discussed.
My recent annoyance with Python 3.7 on Windows Subsystem for Linux is that: on two machines with the same Pandas library, one gives me segmentation fault
and the other reports warning. It was not clear which one was newer, but "re-installing" pandas
solves the problem.
Command that I ran on the buggy machine.
conda install pandas
More details: I was running identical scripts (synced through Git), and both are Windows 10 machine with WSL + Anaconda. Here go the screenshots to make the case. Also, on the machine where command-line python
will complain about Segmentation fault (core dumped)
, Jupyter lab simply restarts the kernel every single time. Worse still, no warning was given at all.
Updates a few months later: I quit hosting Jupyter servers on Windows machine. I now use WSL on Windows to fetch remote ports opened on a Linux server and run all my jobs on the remote Linux machine. I have never experienced any execution error for a good number of months :)
Partly, because Go doesn't have generics (so you would need one set-type for every type, or fall back on reflection, which is rather inefficient).
Partly, because if all you need is "add/remove individual elements to a set" and "relatively space-efficient", you can get a fair bit of that simply by using a map[yourtype]bool
(and set the value to true
for any element in the set) or, for more space efficiency, you can use an empty struct as the value and use _, present = the_setoid[key]
to check for presence.
Because a scrollView can have other scrollViews or different inDepth subViews tree, run in depth recursively is preferable.
Swift 2
extension UIScrollView {
//it will block the mainThread
func recalculateVerticalContentSize_synchronous () {
let unionCalculatedTotalRect = recursiveUnionInDepthFor(self)
self.contentSize = CGRectMake(0, 0, self.frame.width, unionCalculatedTotalRect.height).size;
}
private func recursiveUnionInDepthFor (view: UIView) -> CGRect {
var totalRect = CGRectZero
//calculate recursevly for every subView
for subView in view.subviews {
totalRect = CGRectUnion(totalRect, recursiveUnionInDepthFor(subView))
}
//return the totalCalculated for all in depth subViews.
return CGRectUnion(totalRect, view.frame)
}
}
Usage
scrollView.recalculateVerticalContentSize_synchronous()
Difference In Days
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) As Integer)
Difference In Hours
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) * 24 As Integer)
Difference In Minutes
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) * 24 * 60 As Integer)
Difference In Seconds
Select Cast ((
JulianDay(ToDate) - JulianDay(FromDate)
) * 24 * 60 * 60 As Integer)
You can also use a service called Filepicker
which will store your image to their servers and Filepicker which is now called Filestack, will provide you with a url to the image. You can than store the url to Firebase.
set identity_insert customer on
insert into Customer(id,Name,city,Salary) values(8,'bcd','Amritsar',1234)
where 'customer' is table name
@media queries serve this purpose. Here's an example:
@media only screen and (max-width: 991px) and (min-width: 769px){
/* CSS that should be displayed if width is equal to or less than 991px and larger
than 768px goes here */
}
@media only screen and (max-width: 991px){
/* CSS that should be displayed if width is equal to or less than 991px goes here */
}
Well, I was having the same trouble while uploading and I resolved it by doing the same thing which it says to do: Earlier I was trying to push through terminal to my repository in linux by https like
git push https://github.com/SiddharthChoudhary/ClientServerCloudComputing.git
But was not getting any result and hence I went down deeper and tried:
git push --set-upstream https://github.com/SiddharthChoudhary/ClientServerCloudComputing.git master
And it worked. Thus then you will get prompted with username and password. I also generated a token and instead of Password I pasted the token and thus, being done successfully.
The easiest way is to redirect the output of the echo
by >>
:
echo 'VNCSERVERS="1:root"' >> /etc/sysconfig/configfile
echo 'VNCSERVERARGS[1]="-geometry 1600x1200"' >> /etc/sysconfig/configfile
You have to edit the PHP configuration file. Find the line
error_reporting = E_ALL
and replace it with:
error_reporting = E_ALL ^ E_DEPRECATED
If you don't have access to the configuration file you can add this line to the PHP WordPress file (maybe headers.php):
error_reporting(E_ALL ^ E_DEPRECATED);
Since the last update of the xmlhttprequest module was around 2 years ago, in some cases it does not work as expected.
So instead, you can use the xhr2 module. In other words:
var XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
var xhr = new XMLHttpRequest();
becomes:
var XMLHttpRequest = require('xhr2');
var xhr = new XMLHttpRequest();
But ... of course, there are more popular modules like Axios, because -for example- uses promises:
// Make a request for a user with a given ID
axios.get('/user?ID=12345').then(function (response) {
console.log(response);
}).catch(function (error) {
console.log(error);
});
Using display: inline-flex
#menu ul {_x000D_
list-style: none;_x000D_
margin: 0;_x000D_
padding: 0;_x000D_
display: inline-flex_x000D_
}
_x000D_
<div id="menu">_x000D_
<ul>_x000D_
<li>1 menu item</li>_x000D_
<li>2 menu item</li>_x000D_
<li>3 menu item</li>_x000D_
</ul>_x000D_
</div>
_x000D_
Using display: inline-block
#menu ul {_x000D_
list-style: none;_x000D_
margin: 0;_x000D_
padding: 0;_x000D_
}_x000D_
_x000D_
#menu li {_x000D_
display: inline-block;_x000D_
}
_x000D_
<div id="menu">_x000D_
<ul>_x000D_
<li>1 menu item</li>_x000D_
<li>2 menu item</li>_x000D_
<li>3 menu item</li>_x000D_
</ul>_x000D_
</div>
_x000D_
DO NOT use this:
System.Environment.GetEnvironmentVariable("TEMP")
Environment variables can be overridden, so the TEMP
variable is not necessarily the directory.
The correct way is to use System.IO.Path.GetTempPath()
as in the accepted answer.
<video id="myvideo">
<source src="path/to/movie.mp4" />
</video>
<p onclick="toggleControls();">Toggle</p>
<script>
var video = document.getElementById("myvideo");
function toggleControls() {
if (video.hasAttribute("controls")) {
video.removeAttribute("controls")
} else {
video.setAttribute("controls","controls")
}
}
</script>
See it working on jsFiddle: http://jsfiddle.net/dgLds/
If your server is still listening on port 80, check the permission on the DocumentRoot folder and if DirectoryIndex file existed.
To anyone reading this in 2017, this is how I've done something similar.
DELETE pets, pets_activities FROM pets inner join pets_activities
on pets_activities.id = pets.id WHERE pets.`order` > :order AND
pets.`pet_id` = :pet_id
Generally, to delete rows from multiple tables, the syntax I follow is given below. The solution is based on an assumption that there is some relation between the two tables.
DELETE table1, table2 FROM table1 inner join table2 on table2.id = table1.id
WHERE [conditions]
You could do this for the fun of it, but other than that it's not a good idea. It would not speed up anything I can think of.
Getting the cards in a hand will be an integer factoring operation which is much more expensive than just accessing an array.
Adding cards would be multiplication, and removing cards division, both of large multi-word numbers, which are more expensive operations than adding or removing elements from lists.
The actual numeric value of a hand will tell you nothing. You will need to factor the primes and follow the Poker rules to compare two hands. h1 < h2 for such hands means nothing.
An alternative and simple to use solution is to adjust the coordinates of the suptitle text in the figure using the y argument in the call of suptitle (see the docs):
import numpy as np
import matplotlib.pyplot as plt
f = np.random.random(100)
g = np.random.random(100)
fig = plt.figure()
fig.suptitle('Long Suptitle', y=1.05, fontsize=24)
plt.subplot(121)
plt.plot(f)
plt.title('Very Long Title 1', fontsize=20)
plt.subplot(122)
plt.plot(g)
plt.title('Very Long Title 2', fontsize=20)
plt.show()
If you support IE, for versions of Internet Explorer 8 and above, this:
<meta http-equiv="X-UA-Compatible" content="IE=9; IE=8; IE=7" />
Forces the browser to render as that particular version's standards. It is not supported for IE7 and below.
If you separate with semi-colon, it sets compatibility levels for different versions. For example:
<meta http-equiv="X-UA-Compatible" content="IE=7; IE=9" />
Renders IE7 and IE8 as IE7, but IE9 as IE9. It allows for different levels of backwards compatibility. In real life, though, you should only chose one of the options:
<meta http-equiv="X-UA-Compatible" content="IE=8" />
This allows for much easier testing and maintenance. Although generally the more useful version of this is using Emulate:
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" />
For this:
<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
It forces the browser the render at whatever the most recent version's standards are.
For more information, there is plenty to read about on MSDN,
Use the $( ... )
construct:
hash=$(genhash --use-ssl -s $IP -p 443 --url $URL | grep MD5 | grep -c $MD5)
You can also use:
sdiff file1 file2
To display differences side by side within your terminal!
Example Program:
#include<stdio.h>
#define LEN 9 // array length
int main(){
int coins[LEN]={0,0,0,0,0,0,0,0,0}; // coin count
int cointypes[LEN]={1000,500,100,50,20,10,5,2,1}; // declare your coins and note here {ASC order}
int sum =0; //temp variable for sum
int inc=0; // for loop
int amount=0; // for total amount
printf("Enter Amount :");
scanf("%d",&amount);
while(sum<amount){
if((sum+cointypes[inc])<=amount){
sum = sum+ cointypes[inc];
//printf("%d[1] - %d\n",cointypes[inc],sum);
//switch case to count number of notes and coin
switch(cointypes[inc]){
case 1000:
coins[0]++;
break;
case 500:
coins[1]++;
break;
case 100:
coins[2]++;
break;
case 50:
coins[3]++;
break;
case 20:
coins[4]++;
break;
case 10:
coins[5]++;
break;
case 5:
coins[6]++;
break;
case 2:
coins[7]++;
break;
case 1:
coins[8]++;
break;
}
}else{
inc++;
}
}
printf("note for %d in\n note 1000 * %d\n note 500 * %d\n note 100 * %d\n note 50 * %d\n note 20 * %d\n note 10 * %d\n coin 5 * %d\n coin 2 * %d\n coin 1 * %d\n",amount,coins[0],coins[1],coins[2],coins[3],coins[4],coins[5],coins[6],coins[7],coins[8]);
}
Additional answer for Visual Studio 2012:
You can open .dtsx along with their corresponding .dtproj project files with the SQL Server Data Tools Business Intelligence (SSDT-BI) add-in:
http://www.microsoft.com/download/details.aspx?id=36843
If the projects were created with an earlier version they will require an upgrade.
I did have some hang ups installing this - the install would spin on "Install_VSTA2012_CPU32_Action" and similar steps. It wasn't until I did a repair inside of the same installer did it install completely.
I know this is a bit old, but in case another beginner is going through this, I'll share some code that covers a bit more of the basic operations, here is another example that also includes the option to cancel the process and also report to the user the status of the process. I'm going to add on top of the code given by Alex Aza in the solution above
public Form1()
{
InitializeComponent();
backgroundWorker1.DoWork += backgroundWorker1_DoWork;
backgroundWorker1.ProgressChanged += backgroundWorker1_ProgressChanged;
backgroundWorker1.RunWorkerCompleted += backgroundWorker1_RunWorkerCompleted; //Tell the user how the process went
backgroundWorker1.WorkerReportsProgress = true;
backgroundWorker1.WorkerSupportsCancellation = true; //Allow for the process to be cancelled
}
//Start Process
private void button1_Click(object sender, EventArgs e)
{
backgroundWorker1.RunWorkerAsync();
}
//Cancel Process
private void button2_Click(object sender, EventArgs e)
{
//Check if background worker is doing anything and send a cancellation if it is
if (backgroundWorker1.IsBusy)
{
backgroundWorker1.CancelAsync();
}
}
private void backgroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
for (int i = 0; i < 100; i++)
{
Thread.Sleep(1000);
backgroundWorker1.ReportProgress(i);
//Check if there is a request to cancel the process
if (backgroundWorker1.CancellationPending)
{
e.Cancel = true;
backgroundWorker1.ReportProgress(0);
return;
}
}
//If the process exits the loop, ensure that progress is set to 100%
//Remember in the loop we set i < 100 so in theory the process will complete at 99%
backgroundWorker1.ReportProgress(100);
}
private void backgroundWorker1_ProgressChanged(object sender, System.ComponentModel.ProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
}
private void backgroundWorker1_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e)
{
if (e.Cancelled)
{
lblStatus.Text = "Process was cancelled";
}
else if (e.Error != null)
{
lblStatus.Text = "There was an error running the process. The thread aborted";
}
else
{
lblStatus.Text = "Process was completed";
}
}
Had the same problem and this solved it for me (Powershell as admin):
Set-ItemProperty -Path HKLM:\Software\Policies\Microsoft\Windows\PowerShell -Name ExecutionPolicy -Value ByPass
%s
indicates a conversion type of string when using python's string formatting capabilities. More specifically, %s
converts a specified value to a string using the str()
function. Compare this with the %r
conversion type that uses the repr()
function for value conversion.
Take a look at the docs for string formatting.
The idea behind reporting progress with the background worker is through sending a 'percent completed' event. You are yourself responsible for determining somehow 'how much' work has been completed. Unfortunately this is often the most difficult part.
In your case, the bulk of the work is database-related. There is to my knowledge no way to get progress information from the DB directly. What you can try to do however, is split up the work dynamically. E.g., if you need to read a lot of data, a naive way to implement this could be.
Divide the actual reading in smaller chunks, reporting progress every time one chunk is completed:
for (int i = 0; i < count; i++)
{
bgWorker.ReportProgress((100 * i) / count);
// ... (read data for step i)
}
take look at my example
<tocheading language="EN">
<subj-group>
<subject>Editors Choice</subject>
<subject>creative common</subject>
</subj-group>
</tocheading>
now how to check if creative common
is exist
tocheading/subj-group/subject/text() = 'creative common'
hope this help you
As a MAC address can be 6 or 20 bytes (infiniband, ...) the correct answer is:
^([0-9A-Fa-f]{2}:){5}(([0-9A-Fa-f]{2}:){14})?([0-9A-Fa-f]{2})$
you can replace : with [:-.]? if you want different separators or none.
This is a copy from my answers in a very similar question: How to check file input size with jQuery?
You actually don't have access to the filesystem (for example reading and writing local files). However, due to the HTML5 File API specification, there are some file properties that you do have access to, and the file size is one of them.
For this HTML:
<input type="file" id="myFile" />
try the following:
//binds to onchange event of your input field
$('#myFile').bind('change', function() {
//this.files[0].size gets the size of your file.
alert(this.files[0].size);
});
As it is a part of the HTML5 specification, it will only work for modern browsers (v10 required for IE) and I added here more details and links about other file information you should know: http://felipe.sabino.me/javascript/2012/01/30/javascipt-checking-the-file-size/
Old browsers support
Be aware that old browsers will return a null
value for the previous this.files
call, so accessing this.files[0]
will raise an exception and you should check for File API support before using it
I have not tried this, so I am not guarantueeing anything, however
foreach Bar f in filterBars
{
search(f)
}
Foo search(Bar b)
{
fooSelect = (from f in fooBunch
where !(from b in f.BarList select b.BarId).Contains(b.ID)
select f).ToList();
return fooSelect;
}
Just add the order with this tag
@JsonPropertyOrder({ "property1", "property2"})
This is my working implementation
private void showMessage()
{
lblMessage.setText("");
List<String> messages = db.getAllGCMMessages();
for (int k = messages.size() - 1; k >= 0; --k)
{
String message = messages.get(k).toString();
lblMessage.append(message + "\n\n");
}
Linkify.addLinks(lblMessage, Linkify.ALL);
}
and to change color of hyperlinks , i editted my xml for textview -
android:textColorLink="#69463d"
You can also have a look at https://github.com/octo-online/Xcode-formatter which is a formatter based on Uncrustify and integrated into Xcode. Works like a charm.
Working fiddle:
$.ajax({
url: 'https://api.flightstats.com/flex/schedules/rest/v1/jsonp/flight/AA/100/departing/2013/10/4?appId=19d57e69&appKey=e0ea60854c1205af43fd7b1203005d59',
dataType: 'JSONP',
jsonpCallback: 'callback',
type: 'GET',
success: function (data) {
console.log(data);
}
});
I had to manually set the callback to callback
, since that's all the remote service seems to support. I also changed the url to specify that I wanted jsonp.
None of them worked for me, try this one
private void scrollingWhileKeyboard() {
drawerlayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
Rect r = new Rect();
try {
drawerlayout.getWindowVisibleDisplayFrame(r);
int screenHeight = drawerlayout.getRootView().getHeight();
int keypadHeight = screenHeight - r.bottom;
if (keypadHeight > screenHeight * 0.15) {
tabLayout.setVisibility(View.GONE);
} else {
tabLayout.setVisibility(View.VISIBLE);
}
} catch (NullPointerException e) {
}
}
});
}
I realize this is an old thread but wanted to post a solution similar to your request for a function (just ran into the similar issue myself trying to format an entire table to percentage labels).
Assume you have a df with 5 character columns you want to convert. First, I create a table containing the names of the columns I want to manipulate:
col_to_convert <- data.frame(nrow = 1:5
,col = c("col1","col2","col3","col4","col5"))
for (i in 1:max(cal_to_convert$row))
{
colname <- col_to_convert$col[i]
colnum <- which(colnames(df) == colname)
for (j in 1:nrow(df))
{
df[j,colnum] <- as.numericdf(df[j,colnum])
}
}
This is not ideal for large tables as it goes cell by cell, but it would get the job done.
Of cause it's possible to create dynamic classes using very cool ExpandoObject class. But recently I worked on project and faced that Expando Object is serealized in not the same format on xml as an simple Anonymous class, it was pity =( , that is why I decided to create my own class and share it with you. It's using reflection and dynamic directive , builds Assembly, Class and Instance truly dynamicly. You can add, remove and change properties that is included in your class on fly Here it is :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using static YourNamespace.DynamicTypeBuilderTest;
namespace YourNamespace
{
/// This class builds Dynamic Anonymous Classes
public class DynamicTypeBuilderTest
{
///
/// Create instance based on any Source class as example based on PersonalData
///
public static object CreateAnonymousDynamicInstance(PersonalData personalData, Type dynamicType, List<ClassDescriptorKeyValue> classDescriptionList)
{
var obj = Activator.CreateInstance(dynamicType);
var propInfos = dynamicType.GetProperties();
classDescriptionList.ForEach(x => SetValueToProperty(obj, propInfos, personalData, x));
return obj;
}
private static void SetValueToProperty(object obj, PropertyInfo[] propInfos, PersonalData aisMessage, ClassDescriptorKeyValue description)
{
propInfos.SingleOrDefault(x => x.Name == description.Name)?.SetValue(obj, description.ValueGetter(aisMessage), null);
}
public static dynamic CreateAnonymousDynamicType(string entityName, List<ClassDescriptorKeyValue> classDescriptionList)
{
AssemblyName asmName = new AssemblyName();
asmName.Name = $"{entityName}Assembly";
AssemblyBuilder assemblyBuilder = AssemblyBuilder.DefineDynamicAssembly(asmName, AssemblyBuilderAccess.RunAndCollect);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule($"{asmName.Name}Module");
TypeBuilder typeBuilder = moduleBuilder.DefineType($"{entityName}Dynamic", TypeAttributes.Public);
classDescriptionList.ForEach(x => CreateDynamicProperty(typeBuilder, x));
return typeBuilder.CreateTypeInfo().AsType();
}
private static void CreateDynamicProperty(TypeBuilder typeBuilder, ClassDescriptorKeyValue description)
{
CreateDynamicProperty(typeBuilder, description.Name, description.Type);
}
///
///Creation Dynamic property (from MSDN) with some Magic
///
public static void CreateDynamicProperty(TypeBuilder typeBuilder, string name, Type propType)
{
FieldBuilder fieldBuider = typeBuilder.DefineField($"{name.ToLower()}Field",
propType,
FieldAttributes.Private);
PropertyBuilder propertyBuilder = typeBuilder.DefineProperty(name,
PropertyAttributes.HasDefault,
propType,
null);
MethodAttributes getSetAttr =
MethodAttributes.Public | MethodAttributes.SpecialName |
MethodAttributes.HideBySig;
MethodBuilder methodGetBuilder =
typeBuilder.DefineMethod($"get_{name}",
getSetAttr,
propType,
Type.EmptyTypes);
ILGenerator methodGetIL = methodGetBuilder.GetILGenerator();
methodGetIL.Emit(OpCodes.Ldarg_0);
methodGetIL.Emit(OpCodes.Ldfld, fieldBuider);
methodGetIL.Emit(OpCodes.Ret);
MethodBuilder methodSetBuilder =
typeBuilder.DefineMethod($"set_{name}",
getSetAttr,
null,
new Type[] { propType });
ILGenerator methodSetIL = methodSetBuilder.GetILGenerator();
methodSetIL.Emit(OpCodes.Ldarg_0);
methodSetIL.Emit(OpCodes.Ldarg_1);
methodSetIL.Emit(OpCodes.Stfld, fieldBuider);
methodSetIL.Emit(OpCodes.Ret);
propertyBuilder.SetGetMethod(methodGetBuilder);
propertyBuilder.SetSetMethod(methodSetBuilder);
}
public class ClassDescriptorKeyValue
{
public ClassDescriptorKeyValue(string name, Type type, Func<PersonalData, object> valueGetter)
{
Name = name;
ValueGetter = valueGetter;
Type = type;
}
public string Name;
public Type Type;
public Func<PersonalData, object> ValueGetter;
}
///
///Your Custom class description based on any source class for example
/// PersonalData
public static IEnumerable<ClassDescriptorKeyValue> GetAnonymousClassDescription(bool includeAddress, bool includeFacebook)
{
yield return new ClassDescriptorKeyValue("Id", typeof(string), x => x.Id);
yield return new ClassDescriptorKeyValue("Name", typeof(string), x => x.FirstName);
yield return new ClassDescriptorKeyValue("Surname", typeof(string), x => x.LastName);
yield return new ClassDescriptorKeyValue("Country", typeof(string), x => x.Country);
yield return new ClassDescriptorKeyValue("Age", typeof(int?), x => x.Age);
yield return new ClassDescriptorKeyValue("IsChild", typeof(bool), x => x.Age < 21);
if (includeAddress)
yield return new ClassDescriptorKeyValue("Address", typeof(string), x => x?.Contacts["Address"]);
if (includeFacebook)
yield return new ClassDescriptorKeyValue("Facebook", typeof(string), x => x?.Contacts["Facebook"]);
}
///
///Source Data Class for example
/// of cause you can use any other class
public class PersonalData
{
public int Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Country { get; set; }
public int Age { get; set; }
public Dictionary<string, string> Contacts { get; set; }
}
}
}
It is also very simple to use DynamicTypeBuilder, you just need put few lines like this:
public class ExampleOfUse
{
private readonly bool includeAddress;
private readonly bool includeFacebook;
private readonly dynamic dynamicType;
private readonly List<ClassDescriptorKeyValue> classDiscriptionList;
public ExampleOfUse(bool includeAddress = false, bool includeFacebook = false)
{
this.includeAddress = includeAddress;
this.includeFacebook = includeFacebook;
this.classDiscriptionList = DynamicTypeBuilderTest.GetAnonymousClassDescription(includeAddress, includeFacebook).ToList();
this.dynamicType = DynamicTypeBuilderTest.CreateAnonymousDynamicType("VeryPrivateData", this.classDiscriptionList);
}
public object Map(PersonalData privateInfo)
{
object dynamicObject = DynamicTypeBuilderTest.CreateAnonymousDynamicInstance(privateInfo, this.dynamicType, classDiscriptionList);
return dynamicObject;
}
}
I hope that this code snippet help somebody =) Enjoy!
I found the solution:
In your activity which has the Theme.Dialog
style set, do this:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.your_layout);
getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
It's important that you call Window.setLayout()
after you call setContentView()
, otherwise it won't work.
There is no binding for exactly what you want.
The only thing that comes close is Ctrl+F2 which will select all of them at once.
You can bind it to Ctrl+D doing the following:
File > Preferences > Keyboard Shortcuts
It should look something like this:
// Place your key bindings in this file to overwrite the defaults
[
{ "key": "ctrl+d", "command": "editor.action.changeAll",
"when": "editorTextFocus" }
]
I have a project in React Native
and suddenly this error appeared. I was doing something with homebrew beforehand and this solved the issue for me:
brew update
brew upgrade
brew cleanup
There's no single method to do that. Use this:
@SuppressWarnings("unchecked")
public static <T extends Comparable> List<T> asSortedList(Collection<T> collection) {
T[] array = collection.toArray(
(T[])new Comparable[collection.size()]);
Arrays.sort(array);
return Arrays.asList(array);
}
I'll add that in order to use ARGF
with parameters, you need to clear ARGV
before calling ARGF.each
. This is because ARGF
will treat anything in ARGV
as a filename and read lines from there first.
Here's an example 'tee' implementation:
File.open(ARGV[0], 'w') do |file|
ARGV.clear
ARGF.each do |line|
puts line
file.write(line)
end
end
Yes there is one and it is inside the SQLServer management studio. Unlike the previous versions I think. Follow these simple steps.
1)Right click on a database in the Object explorer 2)Selected New Query from the popup menu 3)Query Analyzer will be opened.
Enjoy work.
Be careful,
jQuery.validator.addMethod("lettersonly", function(value, element)
{
return this.optional(element) || /^[a-z," "]+$/i.test(value);
}, "Letters and spaces only please");
[a-z, " "] by adding the comma and quotation marks, you are allowing spaces, commas and quotation marks into the input box.
For spaces + text, just do this:
jQuery.validator.addMethod("lettersonly", function(value, element)
{
return this.optional(element) || /^[a-z ]+$/i.test(value);
}, "Letters and spaces only please");
[a-z ] this allows spaces aswell as text only.
............................................................................
also the message "Letters and spaces only please" is not required, if you already have a message in messages:
messages:{
firstname:{
required: "Enter your first name",
minlength: jQuery.format("Enter at least (2) characters"),
maxlength:jQuery.format("First name too long more than (80) characters"),
lettersonly:jQuery.format("letters only mate")
},
Adam
$('#txtSearchProdAssign').keypress(function (e) {
if (e.which == 13) {
$('input[name = butAssignProd]').click();
return false;
}
});
I also just found Submitting a form on 'Enter' which covers most of the issues comprehensively.
As far as I know there is nothing build in that does this for you. However you could have a look at the Google IO sourcecode, especially the BaseActivity. Search for "auto hide" or look at onMainContentScrolled
In order to hide the Toolbar
your can just do something like this:
toolbar.animate().translationY(-toolbar.getBottom()).setInterpolator(new AccelerateInterpolator()).start();
If you want to show it again you call:
toolbar.animate().translationY(0).setInterpolator(new DecelerateInterpolator()).start();
Is this a broader naming convention in any real sense? I'm more on the C++ side, and not really up on Java and descendants. How many language communities use the I convention?
If you have a language-independent shop standard naming convention here, use it. If not, go with the language naming convention.
I use this function:
gcaa() { git add --all && git commit -m "$*" }
In my zsh config file, so i can just do:
> gcaa This is the commit message
To automatically stage and commit all files.
This will help you...
DataTable dt = new DataTable();
dt.DefaultView.Sort = "Column_name desc";
dt = dt.DefaultView.ToTable();
match_parent
(Full width):
SizedBox(
width: double.infinity, // <-- match_parent
child: RaisedButton(...)
)
Specific width:
SizedBox(
width: 100, // <-- Your width
child: RaisedButton(...)
)
Use .val()
not attr('value')
.
SELECT CONVERT(uniqueidentifier,STUFF(STUFF(STUFF(STUFF('B33D42A3AC5A4D4C81DD72F3D5C49025',9,0,'-'),14,0,'-'),19,0,'-'),24,0,'-'))
Adding to what deceze said above. This is a parse error, so in order to debug a parse error, create a new file in the root named debugSyntax.php. Put this in it:
<?php
/////// SYNTAX ERROR CHECK ////////////
error_reporting(E_ALL);
ini_set('display_errors','On');
//replace "pageToTest.php" with the file path that you want to test.
include('pageToTest.php');
?>
Run the debugSyntax.php page and it will display parse errors from the page that you chose to test.
No need to use datetime library. Using the dateutil library there is no need of any format:
>>> from dateutil import parser
>>> s= '25 April, 2020, 2:50, pm, IST'
>>> parser.parse(s)
datetime.datetime(2020, 4, 25, 14, 50)
In his paper, Memory Optimization, Christer Ericson says that while restrict
is not part of the C++ standard yet, that it is supported by many compilers and he recommends it's usage when available:
restrict keyword
! New to 1999 ANSI/ISO C standard
! Not in C++ standard yet, but supported by many C++ compilers
! A hint only, so may do nothing and still be conforming
A restrict-qualified pointer (or reference)...
! ...is basically a promise to the compiler that for the scope of the pointer, the target of the pointer will only be accessed through that pointer (and pointers copied from it).
In C++ compilers that support it it should probably behave the same as in C.
See this SO post for details: Realistic usage of the C99 ‘restrict’ keyword?
Take half an hour to skim through Ericson's paper, it's interesting and worth the time.
Edit
I also found that IBM's AIX C/C++ compiler supports the __restrict__
keyword.
g++ also seems to support this as the following program compiles cleanly on g++:
#include <stdio.h>
int foo(int * __restrict__ a, int * __restrict__ b) {
return *a + *b;
}
int main(void) {
int a = 1, b = 1, c;
c = foo(&a, &b);
printf("c == %d\n", c);
return 0;
}
I also found a nice article on the use of restrict
:
Demystifying The Restrict Keyword
Edit2
I ran across an article which specifically discusses the use of restrict in C++ programs:
Load-hit-stores and the __restrict keyword
Also, Microsoft Visual C++ also supports the __restrict
keyword.
You want List::GetRange(firstIndex, count). See http://msdn.microsoft.com/en-us/library/21k0e39c.aspx
// I have a List called list
List sublist = list.GetRange(5, 5); // (gets elements 5,6,7,8,9)
List anotherSublist = list.GetRange(0, 4); // gets elements 0,1,2,3)
Is that what you're after?
If you're looking to delete the sublist items from the original list, you can then do:
// list is our original list
// sublist is our (newly created) sublist built from GetRange()
foreach (Type t in sublist)
{
list.Remove(t);
}
For first element use entrySet().iterator().next()
and stop iterating after 1 iteration.
For last one the easiest way is to preserve the key in a variable whenever you do a map.put.
Taking this one step further, to save a file to a relative directory, you can use the replace function. Say you have your workbook saved in: c:\property\california\sacramento\workbook.xlsx, use this to move the property to berkley:
workBookPath = Replace(ActiveWorkBook.path, "sacramento", "berkley")
myWorkbook.SaveAs(workBookPath & "\" & "newFileName.xlsx"
Only works if your file structure contains one instance of the text used to replace. YMMV.
->
is used to call a method, or access a property, on the object of a class
=>
is used to assign values to the keys of an array
E.g.:
$ages = array("Peter"=>32, "Quagmire"=>30, "Joe"=>34, 1=>2);
And since PHP 7.4+ the operator =>
is used too for the added arrow functions, a more concise syntax for anonymous functions.
Just use DOMDocument->loadHTML() and be done with it. libxml's HTML parsing algorithm is quite good and fast, and contrary to popular belief, does not choke on malformed HTML.
this seems to work, but not sure if it's optimized for performance or not.
$request->user()->get(['id'])->groupBy('id')->keys()->all();
output:
array:2 [
0 => 4
1 => 1
]
it is work for me with parse Server
{
"ContractID": "203-17-DC0101-00003-10011",
"Supplier":"Sample Co., Ltd",
"Value":12345.80,
"Curency":"USD",
"StartDate": {
"__type": "Date",
"iso": "2017-08-22T06:11:00.000Z"
}
}
Which protocol performs better (in terms of throughput) - UDP or TCP - really depends on the network characteristics and the network traffic. Robert S. Barnes, for example, points out a scenario where TCP performs better (small-sized writes). Now, consider a scenario in which the network is congested and has both TCP and UDP traffic. Senders in the network that are using TCP, will sense the 'congestion' and cut down on their sending rates. However, UDP doesn't have any congestion avoidance or congestion control mechanisms, and senders using UDP would continue to pump in data at the same rate. Gradually, TCP senders would reduce their sending rates to bare minimum and if UDP senders have enough data to be sent over the network, they would hog up the majority of bandwidth available. So, in such a case, UDP senders will have greater throughput, as they get the bigger pie of the network bandwidth. In fact, this is an active research topic - How to improve TCP throughput in presence of UDP traffic. One way, that I know of, using which TCP applications can improve throughput is by opening multiple TCP connections. That way, even though, each TCP connection's throughput might be limited, the sum total of the throughput of all TCP connections may be greater than the throughput for an application using UDP.
The following CSS will right-align both the arrow and the options:
select { text-align-last: right; }_x000D_
option { direction: rtl; }
_x000D_
<!-- example usage -->_x000D_
Choose one: <select>_x000D_
<option>The first option</option>_x000D_
<option>A second, fairly long option</option>_x000D_
<option>Last</option>_x000D_
</select>
_x000D_
You need to use the option -lpthread
with gcc.
Use INDIRECT()
=SUM(INDIRECT(<start cell here> & ":" & <end cell here>))
While mosca1337's answer is a correct solution, be careful with that method. For a header with text longer than one line, you will have to perform the calculations of the height of the header in tableView:heightForHeaderInSection:
which can be cumbersome.
A much preferred method is to use the appearance API:
[[UILabel appearanceWhenContainedIn:[UITableViewHeaderFooterView class], nil] setFont:[UIFont boldSystemFontOfSize:28]];
This will change the font, while still leaving the table to manage the heights itself.
For optimal results, subclass the table view, and add it to the containment chain (in appearanceWhenContainedIn:
) to make sure the font is only changed for the specific table views.
dataType:'jsonp',
You are making a JSONP request, but the server is responding with JSON.
The browser is refusing to try to treat the JSON as JSONP because it would be a security risk. (If the browser did try to treat the JSON as JSONP then it would, at best, fail).
See this question for more details on what JSONP is. Note that is a nasty hack to work around the Same Origin Policy that was used before CORS was available. CORS is a much cleaner, safer, and more powerful solution to the problem.
It looks like you are trying to make a cross-origin request and are throwing everything you can think of at it in one massive pile of conflicting instructions.
You need to understand how the Same Origin policy works.
See this question for an in-depth guide.
Now a few notes about your code:
contentType: 'application/json',
Remove that.
dataType:'jsonp',
Remove this. (You could make the server respond with JSONP instead, but CORS is better).
responseType:'application/json',
This is not an option supported by jQuery.ajax. Remove this.
xhrFields: { withCredentials: false },
This is the default. Unless you are setting it to true with ajaxSetup, remove this.
headers: { 'Access-Control-Allow-Credentials' : true, 'Access-Control-Allow-Origin':'*', 'Access-Control-Allow-Methods':'GET', 'Access-Control-Allow-Headers':'application/json', },
When it comes to Linux
I suggest an Update Node Using a Package Manager:
Node comes with npm pre-installed, but the manager is updated more frequently than Node. Run npm -v to see which version you have, then npm install npm@latest -g
to install the newest npm update. Run npm -v
again if you want to make sure npm updated correctly.
To update NodeJS
, you’ll need npm’s handy n module. Run this code to clear npm’s cache, install n, and install the latest stable version of Node
:
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
To install the latest release, use n latest
. Alternatively, you can run n #.#.# to get a specific Node
version.
When it comes to Windows/ macOS
I suggest using Installers on Nodejs.org
The Node.js downloads page includes binary packages for Windows and macOS — but why make your life more difficult? The pre-made installers — .msi for Windows and .pkg for macOS — make the installation process unbelievably efficient and understandable. Download and run the file, and let the installation wizard take care of the rest. With each downloaded update, the newer versions of Node and npm will replace the older version.
Alternatively, macOS users can use the npm and n instructions above.
When it comes to updating your node_modules
dependencies folder, I suggest skipping all the things that could cause you a headache and just go to your specific project and re-run npm install
again.
Before anyone does that, I suggest first checking your package.json
file for the following:
As a user of NodeJS packages, you can specify which kinds of updates your app can accept in the package.json file. For example, if you were starting with a package version 1.0.4, this is how you could specify the allowed update version ranges in three basic ways:
To Allow Patch Releases: 1.0 or 1.0.x or ~1.0.4
To Allow Minor Releases: 1 or 1.x or ^1.0.4
To Allow Major Releases: * or x
Explanation:
MAJOR version for when there are incompatible API changes. --> ~
MINOR version for when functionality is added in a backwards compatible manner. --> ^
PATCH version for when backward compatible bug fixes are done. --> *
TL;DR
The @Autowired
annotation spares you the need to do the wiring by yourself in the XML file (or any other way) and just finds for you what needs to be injected where and does that for you.
Full explanation
The @Autowired
annotation allows you to skip configurations elsewhere of what to inject and just does it for you. Assuming your package is com.mycompany.movies
you have to put this tag in your XML (application context file):
<context:component-scan base-package="com.mycompany.movies" />
This tag will do an auto-scanning. Assuming each class that has to become a bean is annotated with a correct annotation like @Component
(for simple bean) or @Controller
(for a servlet control) or @Repository
(for DAO
classes) and these classes are somewhere under the package com.mycompany.movies
, Spring will find all of these and create a bean for each one. This is done in 2 scans of the classes - the first time it just searches for classes that need to become a bean and maps the injections it needs to be doing, and on the second scan it injects the beans. Of course, you can define your beans in the more traditional XML file or with an @Configuration
class (or any combination of the three).
The @Autowired
annotation tells Spring where an injection needs to occur. If you put it on a method setMovieFinder
it understands (by the prefix set
+ the @Autowired
annotation) that a bean needs to be injected. In the second scan, Spring searches for a bean of type MovieFinder
, and if it finds such bean, it injects it to this method. If it finds two such beans you will get an Exception
. To avoid the Exception
, you can use the @Qualifier
annotation and tell it which of the two beans to inject in the following manner:
@Qualifier("redBean")
class Red implements Color {
// Class code here
}
@Qualifier("blueBean")
class Blue implements Color {
// Class code here
}
Or if you prefer to declare the beans in your XML, it would look something like this:
<bean id="redBean" class="com.mycompany.movies.Red"/>
<bean id="blueBean" class="com.mycompany.movies.Blue"/>
In the @Autowired
declaration, you need to also add the @Qualifier
to tell which of the two color beans to inject:
@Autowired
@Qualifier("redBean")
public void setColor(Color color) {
this.color = color;
}
If you don't want to use two annotations (the @Autowired
and @Qualifier
) you can use @Resource
to combine these two:
@Resource(name="redBean")
public void setColor(Color color) {
this.color = color;
}
The @Resource
(you can read some extra data about it in the first comment on this answer) spares you the use of two annotations and instead, you only use one.
I'll just add two more comments:
@Inject
instead of @Autowired
because it is not Spring-specific and is part of the JSR-330
standard.@Inject
/ @Autowired
on a constructor instead of a method. If you put it on a constructor, you can validate that the injected beans are not null and fail fast when you try to start the application and avoid a NullPointerException
when you need to actually use the bean.Update: To complete the picture, I created a new question about the @Configuration
class.
=CONCATENATE(LEFT(A1,1), B1)
Assuming A1 holds 1st names; B1 Last names
Using -j
won't work along with the -r
option.
So the work-around for it can be this:
cd path/to/parent/dir/;
zip -r complete/path/to/name.zip ./* ;
cd -;
Or in-line version
cd path/to/parent/dir/ && zip -r complete/path/to/name.zip ./* && cd -
you can direct the output to /dev/null
if you don't want the cd -
output to appear on screen
You can easily do this by adding the following piece of CSS code:
display: table-cell;
vertical-align: middle;
That means your CSS finally looks like:
#box {_x000D_
height: 90px;_x000D_
width: 270px;_x000D_
background: #000;_x000D_
font-size: 48px;_x000D_
font-style: oblique;_x000D_
color: #FFF;_x000D_
text-align: center;_x000D_
margin-top: 20px;_x000D_
margin-left: 5px;_x000D_
display: table-cell;_x000D_
vertical-align: middle;_x000D_
}
_x000D_
<div id="box">_x000D_
Some text_x000D_
</div>
_x000D_
Is there a reason you're not using CSS selectors to style the first and last elements instead of trying to attach a custom class to them? Instead of styling based on alpha or omega, use first-child and last-child.
Try this it works for me:
(echo "Hello XYX" ; uuencode /export/home/TOTAL_SI_COUNT_10042016.csv TOTAL_SI_COUNT_10042016.csv ) | mailx -s 'Script test' [email protected]
Additionally, if you have restricted access to the database (IE: Can't use "Script Function as > CREATE To"), there is another option to get this query.
Find your View > right click > "Design".
This will give you the query you are looking for.
You'll do it the same way you would apply a css selector. For instanse you can do
$("#mydiv > .myclass")
or
$("#mydiv .myclass")
The last one will match every myclass inside myDiv, including myclass inside myclass.
Yes, thats right.
You can get an idea by the usage of these two.
If you need to tell that you are finished with some work and other (threads) waiting for this can now proceed, you should use ManualResetEvent.
If you need to have mutual exclusive access to any resource, you should use AutoResetEvent.
WITH CTE_DocTotal (DocTotal, InvoiceNumber)
AS
(
SELECT InvoiceNumber,
SUM(Sale + VAT) AS DocTotal
FROM PEDI_InvoiceDetail
GROUP BY InvoiceNumber
)
UPDATE PEDI_InvoiceDetail
SET PEDI_InvoiceDetail.DocTotal = CTE_DocTotal.DocTotal
FROM CTE_DocTotal
INNER JOIN PEDI_InvoiceDetail ON ...