#collect is actually an alias for #map. That means the two methods can be used interchangeably, and effect the same behavior.

You can make it by one line:

mymap := map[string]interface{}{"foo": map[string]interface{}{"first": 1}, "boo": map[string]interface{}{"second": 2}}
for k, v := range mymap {
    fmt.Println("k:", k, "v:", v)
}

Output is:

k: foo v: map[first:1]
k: boo v: map[second:2]

Use Google's BiMap

It is more convenient.

Your desideratum,map.contains(key), is scheduled for the draft standard C++2a. In 2017 it was implemented by gcc 9.2. It's also in the current clang.

You need to get a list of all the keys, loop over them and add them to your map as shown in the example below:

    String s = "{menu:{\"1\":\"sql\", \"2\":\"android\", \"3\":\"mvc\"}}";
    JSONObject jObject  = new JSONObject(s);
    JSONObject  menu = jObject.getJSONObject("menu");

    Map<String,String> map = new HashMap<String,String>();
    Iterator iter = menu.keys();
    while(iter.hasNext()){
        String key = (String)iter.next();
        String value = menu.getString(key);
        map.put(key,value);
    }

map is implemented from balanced binary search tree(usually a rb_tree), since all the member in balanced binary search tree is sorted so is map;

hash_map is implemented from hashtable.Since all the member in hashtable is unsorted so the members in hash_map(unordered_map) is not sorted.

hash_map is not a c++ standard library, but now it renamed to unordered_map(you can think of it renamed) and becomes c++ standard library since c++11 see this question Difference between hash_map and unordered_map? for more detail.

Below i will give some core interface from source code of how the two type map is implemented.

map:

The below code is just to show that, map is just a wrapper of an balanced binary search tree, almost all it's function is just invoke the balanced binary search tree function.

template <typename Key, typename Value, class Compare = std::less<Key>>
class map{
    // used for rb_tree to sort
    typedef Key    key_type;

    // rb_tree node value
    typedef std::pair<key_type, value_type> value_type;

    typedef Compare key_compare;

    // as to map, Key is used for sort, Value used for store value
    typedef rb_tree<key_type, value_type, key_compare> rep_type;

    // the only member value of map (it's  rb_tree)
    rep_type t;
};

// one construct function
template<typename InputIterator>
map(InputIterator first, InputIterator last):t(Compare()){
        // use rb_tree to insert value(just insert unique value)
        t.insert_unique(first, last);
}

// insert function, just use tb_tree insert_unique function
//and only insert unique value
//rb_tree insertion time is : log(n)+rebalance
// so map's  insertion time is also : log(n)+rebalance 
typedef typename rep_type::const_iterator iterator;
std::pair<iterator, bool> insert(const value_type& v){
    return t.insert_unique(v);
};

hash_map:

hash_map is implemented from hashtable whose structure is somewhat like this:

In the below code, i will give the main part of hashtable, and then gives hash_map.

// used for node list
template<typename T>
struct __hashtable_node{
    T val;
    __hashtable_node* next;
};

template<typename Key, typename Value, typename HashFun>
class hashtable{
    public:
        typedef size_t   size_type;
        typedef HashFun  hasher;
        typedef Value    value_type;
        typedef Key      key_type;
    public:
        typedef __hashtable_node<value_type> node;

        // member data is buckets array(node* array)
        std::vector<node*> buckets;
        size_type num_elements;

        public:
            // insert only unique value
            std::pair<iterator, bool> insert_unique(const value_type& obj);

};

Like map's only member is rb_tree, the hash_map's only member is hashtable. It's main code as below:

template<typename Key, typename Value, class HashFun = std::hash<Key>>
class hash_map{
    private:
        typedef hashtable<Key, Value, HashFun> ht;

        // member data is hash_table
        ht rep;

    public:
        // 100 buckets by default
        // it may not be 100(in this just for simplify)
        hash_map():rep(100){};

        // like the above map's insert function just invoke rb_tree unique function
        // hash_map, insert function just invoke hashtable's unique insert function
        std::pair<iterator, bool> insert(const Value& v){
                return t.insert_unique(v);
        };

};

Below image shows when a hash_map have 53 buckets, and insert some values, it's internal structure.

The below image shows some difference between map and hash_map(unordered_map), the image comes from How to choose between map and unordered_map?:

HashMap has initial capacity and HashMap's performance very very depends on hashCode that produce underlying objects.

Try to tweak both.

Your logic is flawed... basically, you need to:

1. get the list for the key
2. if the list is null, create a new list and put it in the map
3. add the word to the list

You're not doing step 2.

Here's the code you want:

Properties prop = new Properties();
prop.load(new FileInputStream("/displayCategerization.properties"));
for (Map.Entry<Object, Object> entry : prop.entrySet())
{
    List<String> categoryList = categoryMap.get((String) entry.getKey());
    if (categoryList == null)
    {
        categoryList = new ArrayList<String>();
        LogDisplayService.categoryMap.put((String) entry.getKey(), categoryList);
    }
    categoryList.add((String) entry.getValue());
}

Note also the "correct" way to iterate over the entries of a map/properties - via its entrySet().

Further to Stephen Weinberg's answer, I have since implemented a handy tool called iojson, which helps to populate data to an existing object easily as well as encoding the existing object to a JSON string. A iojson middleware is also provided to work with other middlewares. More examples can be found at https://github.com/junhsieh/iojson

Example:

func main() {
    jsonStr := `{"Status":true,"ErrArr":[],"ObjArr":[{"Name":"My luxury car","ItemArr":[{"Name":"Bag"},{"Name":"Pen"}]}],"ObjMap":{}}`

    car := NewCar()

    i := iojson.NewIOJSON()

    if err := i.Decode(strings.NewReader(jsonStr)); err != nil {
        fmt.Printf("err: %s\n", err.Error())
    }

    // populating data to a live car object.
    if v, err := i.GetObjFromArr(0, car); err != nil {
        fmt.Printf("err: %s\n", err.Error())
    } else {
        fmt.Printf("car (original): %s\n", car.GetName())
        fmt.Printf("car (returned): %s\n", v.(*Car).GetName())

        for k, item := range car.ItemArr {
            fmt.Printf("ItemArr[%d] of car (original): %s\n", k, item.GetName())
        }

        for k, item := range v.(*Car).ItemArr {
            fmt.Printf("ItemArr[%d] of car (returned): %s\n", k, item.GetName())
        }
    }
}

Sample output:

car (original): My luxury car
car (returned): My luxury car
ItemArr[0] of car (original): Bag
ItemArr[1] of car (original): Pen
ItemArr[0] of car (returned): Bag
ItemArr[1] of car (returned): Pen

Found out these problems can be addressed by using

ObjectMapper#convertValue(Object fromValue, Class<T> toValueType)

As a result, the origal quuestion can be solved in a 2-step converison:

1. Demarshall the JSON back to an object - in which the Map<String, Object> is demarshalled as a HashMap<String, LinkedHashMap>, by using bjectMapper#readValue().

2. Convert inner LinkedHashMaps back to proper objects

ObjectMapper mapper = new ObjectMapper(); Class clazz = (Class) Class.forName(classType); MyOwnObject value = mapper.convertValue(value, clazz);

To prevent the 'classType' has to be known in advance, I enforced during marshalling an extra Map was added, containing <key, classNameString> pairs. So at unmarshalling time, the classType can be extracted dynamically.

Use Object#toString().

String string = map.toString();

That's after all also what System.out.println(object) does under the hoods. The format for maps is described in AbstractMap#toString().

Returns a string representation of this map. The string representation consists of a list of key-value mappings in the order returned by the map's entrySet view's iterator, enclosed in braces ("{}"). Adjacent mappings are separated by the characters ", " (comma and space). Each key-value mapping is rendered as the key followed by an equals sign ("=") followed by the associated value. Keys and values are converted to strings as by String.valueOf(Object).

You can loop through a hash map like this

<%
ArrayList list = new ArrayList();
TreeMap itemList=new TreeMap();
itemList.put("test", "test");
list.add(itemList);
pageContext.setAttribute("itemList", list);                            
%>

  <c:forEach items="${itemList}" var="itemrow">
   <input  type="text"  value="<c:out value='${itemrow.test}'/>"/>
  </c:forEach>               

For more JSTL functionality look here

var test = scala.collection.mutable.Map.empty[String, String]
test("myKey") = "myValue"

The C++20 draft contains the convenience function std::erase_if.

So you can use that function to do it as a one-liner.

std::map<K, V> map_obj;
//calls needs_removing for each element and erases it, if true was reuturned
std::erase_if(map_obj,needs_removing);
//if you need to pass only part of the key/value pair
std::erase_if(map_obj,[](auto& kv){return needs_removing(kv.first);});

Joseph forgot to add the value in his example with withDefault. Here is the code I ended up using:

Map map = [:].withDefault { key -> return [] }
listOfObjects.each { map.get(it.myKey).add(it.myValue) }

"Map<String , String > map = new HapshMap<String , String>;
 map.add("one","java");
 map.add("two" ,"spring");
 Set<Entry<String,String>> set =  map.entrySet();
 List<Entry<String , String>> list = new ArrayList<Entry<String , String>>    (set);
 for(Entry<String , String> entry : list ) {
   System.out.println(entry.getKey());
   System.out.println(entry.getValue());
 } "

Use

table.put(key, val);

to add a new key/value pair or overwrite an existing key's value.

From the Javadocs:

V put(K key, V value): Associates the specified value with the specified key in this map (optional operation). If the map previously contained a mapping for the key, the old value is replaced by the specified value. (A map m is said to contain a mapping for a key k if and only if m.containsKey(k) would return true.)

map, along with select and each is one of Ruby's workhorses in my code.

It allows you to run an operation on each of your array's objects and return them all in the same place. An example would be to increment an array of numbers by one:

[1,2,3].map {|x| x + 1 }
#=> [2,3,4]

If you can run a single method on your array's elements you can do it in a shorthand-style like so:

1. To do this with the above example you'd have to do something like this

   class Numeric
     def plusone
       self + 1
     end
   end
   [1,2,3].map(&:plusone)
   #=> [2,3,4]
   

2. To more simply use the ampersand shortcut technique, let's use a different example:

   ["vanessa", "david", "thomas"].map(&:upcase)
   #=> ["VANESSA", "DAVID", "THOMAS"]
   

Transforming data in Ruby often involves a cascade of map operations. Study map & select, they are some of the most useful Ruby methods in the primary library. They're just as important as each.

(map is also an alias for collect. Use whatever works best for you conceptually.)

More helpful information:

If the Enumerable object you're running each or map on contains a set of Enumerable elements (hashes, arrays), you can declare each of those elements inside your block pipes like so:

[["audi", "black", 2008], ["bmw", "red", 2014]].each do |make, color, year|
  puts "make: #{make}, color: #{color}, year: #{year}"
end
# Output:
# make: audi, color: black, year: 2008
# make: bmw, color: red, year: 2014

In the case of a Hash (also an Enumerable object, a Hash is simply an array of tuples with special instructions for the interpreter). The first "pipe parameter" is the key, the second is the value.

{:make => "audi", :color => "black", :year => 2008}.each do |k,v|
    puts "#{k} is #{v}"
end
#make is audi
#color is black
#year is 2008

To answer the actual question:

Assuming that params is a hash, this would be the best way to map through it: Use two block parameters instead of one to capture the key & value pair for each interpreted tuple in the hash.

params = {"one" => 1, "two" => 2, "three" => 3}
params.each do |k,v|
  puts "#{k}=#{v}"
end
# one=1
# two=2
# three=3

I use such kind of a Map population thanks to Java 9. In my honest opinion, this approach provides more readability to the code.

  public static void main(String[] args) {
    Map<Integer, Point2D.Double> map = Map.of(
        1, new Point2D.Double(1, 1),
        2, new Point2D.Double(2, 2),
        3, new Point2D.Double(3, 3),
        4, new Point2D.Double(4, 4));
    map.entrySet().forEach(System.out::println);
  }

You could use flatMap. It can filter and map in one.

$scope.appIds = $scope.applicationsHere.flatMap(obj => obj.selected ? obj.id : [])

If you already know the key, you can directly update the value at that key using m[key] = new_value

Here is a sample code that might help:

map<int, int> m;

for(int i=0; i<5; i++)
    m[i] = i;

for(auto it=m.begin(); it!=m.end(); it++)
    cout<<it->second<<" ";
//Output: 0 1 2 3 4

m[4] = 7;  //updating value at key 4 here

cout<<"\n"; //Change line

for(auto it=m.begin(); it!=m.end(); it++)
    cout<<it->second<<" ";
// Output: 0 1 2 3 7    

If you are using a compiler which still doesn't support universal initialization or you have reservation in using Boost, another possible alternative would be as follows

std::map<int, int> m = [] () {
    std::pair<int,int> _m[] = {
        std::make_pair(1 , sizeof(2)),
        std::make_pair(3 , sizeof(4)),
        std::make_pair(5 , sizeof(6))};
    std::map<int, int> m;
    for (auto data: _m)
    {
        m[data.first] = data.second;
    }
    return m;
}();

Use make (chan int) instead of nil. The first value has to be the same type that your map holds.

package main

import "fmt"

func main() {

    var sessions = map[string] chan int{}
    sessions["somekey"] = make(chan int)

    fmt.Printf ("%d\n", len(sessions)) // 1

    // Remove somekey's value from sessions
    delete(sessions, "somekey")

    fmt.Printf ("%d\n", len(sessions)) // 0
}

UPDATE: Corrected my answer.

Several problems here:

• You probably don't use the correct iterator class. As others said, use import java.util.Iterator
• If you want to use Map.Entry entry = (Map.Entry) iter.next(); then you need to use hm.entrySet().iterator(), not hm.keySet().iterator(). Either you iterate on the keys, or on the entries.

Here is another way that gives you access to the key and the value at the same time, in case you have to do some kind of transformation.

Map<String, Integer> pointsByName = new HashMap<>();
Map<String, Integer> maxPointsByName = new HashMap<>();

Map<String, Double> gradesByName = pointsByName.entrySet().stream()
        .map(entry -> new AbstractMap.SimpleImmutableEntry<>(
                entry.getKey(), ((double) entry.getValue() /
                        maxPointsByName.get(entry.getKey())) * 100d))
        .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));

Until I was really concerned about performance, I would use a function, that takes a base and returns its match:

char base_pair(char base)
{
    switch(base) {
        case 'T': return 'A';
        ... etc
        default: // handle error
    }
}

If I was concerned about performance, I would define a base as one fourth of a byte. 0 would represent A, 1 would represent G, 2 would represent C, and 3 would represent T. Then I would pack 4 bases into a byte, and to get their pairs, I would simply take the complement.

HashMap
can contain one null key.

HashMap maintains no order.

TreeMap

TreeMap can not contain any null key.

TreeMap maintains ascending order.

LinkedHashMap

LinkedHashMap can be used to maintain insertion order, on which keys are inserted into Map or it can also be used to maintain an access order, on which keys are accessed.

Examples::

1) HashMap map = new HashMap();

    map.put(null, "Kamran");
    map.put(2, "Ali");
    map.put(5, "From");
    map.put(4, "Dir");`enter code here`
    map.put(3, "Lower");
    for (Map.Entry m : map.entrySet()) {
        System.out.println(m.getKey() + "  " + m.getValue());
    } 

2) TreeMap map = new TreeMap();

    map.put(1, "Kamran");
    map.put(2, "Ali");
    map.put(5, "From");
    map.put(4, "Dir");
    map.put(3, "Lower");
    for (Map.Entry m : map.entrySet()) {
        System.out.println(m.getKey() + "  " + m.getValue());
    }

3) LinkedHashMap map = new LinkedHashMap();

    map.put(1, "Kamran");
    map.put(2, "Ali");
    map.put(5, "From");
    map.put(4, "Dir");
    map.put(3, "Lower");
    for (Map.Entry m : map.entrySet()) {
        System.out.println(m.getKey() + "  " + m.getValue());
    }

Another solution (might not work for all types)

import scala.collection.breakOut
val m:Map[P, T] = c.map(t => (t.getP, t))(breakOut)

this avoids the creation of the intermediary list, more info here: Scala 2.8 breakOut

Does something along these lines exist?

No. With the stl map class, you use ::find() to search the map, and compare the returned iterator to std::map::end()

so

map<int,Bar>::iterator it = m.find('2');
Bar b3;
if(it != m.end())
{
   //element found;
   b3 = it->second;
}

Obviously you can write your own getValue() routine if you want (also in C++, there is no reason to use out), but I would suspect that once you get the hang of using std::map::find() you won't want to waste your time.

Also your code is slightly wrong:

m.find('2'); will search the map for a keyvalue that is '2'. IIRC the C++ compiler will implicitly convert '2' to an int, which results in the numeric value for the ASCII code for '2' which is not what you want.

Since your keytype in this example is int you want to search like this: m.find(2);

Have a look at ImmutableMap JavaDoc: doc

There is information about that there:

Unlike Collections.unmodifiableMap(java.util.Map), which is a view of a separate map which can still change, an instance of ImmutableMap contains its own data and will never change. ImmutableMap is convenient for public static final maps ("constant maps") and also lets you easily make a "defensive copy" of a map provided to your class by a caller.

As simple as:

your_map.begin()->first // key
your_map.begin()->second // value

An answer to your Question from 2019:

It depends on what version of ECMAScript you use.

Pre ES6:

Use any of the answers below, e.g.:

for (var m in myMap){
    for (var i=0;i<myMap[m].length;i++){
    ... do something with myMap[m][i] ...
    }
} 

For ES6 (ES 2015):

You should use a Map object, which has the entries() function:

var myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");

for (const [key, value] of myMap.entries()) {
  console.log(key, value);
}

For ES8 (ES 2017):

Object.entries() was introduced:

const object = {'a': 1, 'b': 2, 'c' : 3};
for (const [key, value] of Object.entries(object)) {
  console.log(key, value);
}

Not possible.

This a little counter-intuitive.

You're encountering the "Apple is-a fruit" but "Every Fruit is not an Apple"

Go for creating a new map and checking with instance of with String

I noticed this commit comment in AOSP, the solution will be to exclude some files using DSL. Probably when 0.7.1 is released.

commit e7669b24c1f23ba457fdee614ef7161b33feee69
Author: Xavier Ducrohet <--->
Date:   Thu Dec 19 10:21:04 2013 -0800

    Add DSL to exclude some files from packaging.

    This only applies to files coming from jar dependencies.
    The DSL is:

    android {
      packagingOptions {
        exclude 'META-INF/LICENSE.txt'
      }
    }

With the constructor:

// create a vector with 20 integer elements
std::vector<int> arr(20);

for(int x = 0; x < 20; ++x)
   arr[x] = x;

Put log4j.properties in the runtime classpath.

This forum shows some posts about possible ways to do it.

Invoke((MethodInvoker)delegate{ textBox1.Text = "Test"; });

Try using this Function.It Will help You:-

public class Main {   
public static void main(String args[]) 
 {        
  Date today=new Date();                     
  Date myDate=new Date(today.getYear(),today.getMonth()-1,today.getDay());
  System.out.println("My Date is"+myDate);    
  System.out.println("Today Date is"+today);
  if(today.compareTo(myDate)<0)
     System.out.println("Today Date is Lesser than my Date");
  else if(today.compareTo(myDate)>0)
     System.out.println("Today Date is Greater than my date"); 
  else
     System.out.println("Both Dates are equal");      
  }
}

I don't see a solution here that completely answers the question using reactive forms to its fullest extent so here's my solution for the same.

Summary

Here's the pith of the detailed explanation along with a StackBlitz example.

1. Use FormArray for the checkboxes and initialize the form.
2. The valueChanges observable is perfect for when you want the form to display something but store something else in the component. Map the true/false values to the desired values here.
3. Filter out the false values at the time of submission.
4. Unsubscribe from valueChanges observable.

StackBlitz example

Detailed explanation

Use FormArray to define the form

As already mentioned in the answer marked as correct. FormArray is the way to go in such cases where you would prefer to get the data in an array. So the first thing you need to do is create the form.

checkboxGroup: FormGroup;
checkboxes = [{
    name: 'Value 1',
    value: 'value-1'
}, {
    name: 'Value 2',
    value: 'value-2'
}];

this.checkboxGroup = this.fb.group({
    checkboxes: this.fb.array(this.checkboxes.map(x => false))
});

This will just set the initial value of all the checkboxes to false.

Next, we need to register these form variables in the template and iterate over the checkboxes array (NOT the FormArray but the checkbox data) to display them in the template.

<form [formGroup]="checkboxGroup">
    <ng-container *ngFor="let checkbox of checkboxes; let i = index" formArrayName="checkboxes">
        <input type="checkbox" [formControlName]="i" />{{checkbox.name}}
    </ng-container>
</form>

Make use of the valueChanges observable

Here's the part I don't see mentioned in any answer given here. In situations such as this, where we would like to display said data but store it as something else, the valueChanges observable is very helpful. Using valueChanges, we can observe the changes in the checkboxes and then map the true/false values received from the FormArray to the desired data. Note that this will not change the selection of the checkboxes as any truthy value passed to the checkbox will mark it as checked and vice-versa.

subscription: Subscription;

const checkboxControl = (this.checkboxGroup.controls.checkboxes as FormArray);
this.subscription = checkboxControl.valueChanges.subscribe(checkbox => {
    checkboxControl.setValue(
        checkboxControl.value.map((value, i) => value ? this.checkboxes[i].value : false),
        { emitEvent: false }
    );
});

This basically maps the FormArray values to the original checkboxes array and returns the value in case the checkbox is marked as true, else it returns false. The emitEvent: false is important here since setting the FormArray value without it will cause valueChanges to emit an event creating an endless loop. By setting emitEvent to false, we are making sure the valueChanges observable does not emit when we set the value here.

Filter out the false values

We cannot directly filter the false values in the FormArray because doing so will mess up the template since they are bound to the checkboxes. So the best possible solution is to filter out the false values during submission. Use the spread operator to do this.

submit() {
    const checkboxControl = (this.checkboxGroup.controls.checkboxes as FormArray);
    const formValue = {
        ...this.checkboxGroup.value,
        checkboxes: checkboxControl.value.filter(value => !!value)
    }
    // Submit formValue here instead of this.checkboxGroup.value as it contains the filtered data
}

This basically filters out the falsy values from the checkboxes.

Unsubscribe from valueChanges

Lastly, don't forget to unsubscribe from valueChanges

ngOnDestroy() {
    this.subscription.unsubscribe();
}

Note: There is a special case where a value cannot be set to the FormArray in valueChanges, i.e if the checkbox value is set to the number 0. This will make it look like the checkbox cannot be selected since selecting the checkbox will set the FormControl as the number 0 (a falsy value) and hence keep it unchecked. It would be preferred not to use the number 0 as a value but if it is required, you have to conditionally set 0 to some truthy value, say string '0' or just plain true and then on submitting, convert it back to the number 0.

StackBlitz example

The StackBlitz also has code for when you want to pass default values to the checkboxes so they get marked as checked in the UI.

Looks like a resources related error. I would start there.

I got this ("Error:com.android.tools.aapt2.Aapt2Exception: AAPT2 error: check logs for details") first time related to pictures. Resize solved it. Or another time just repaired the links to resources.

const request = require('request');

const headers = {
    'Accept': '*/*',
    'User-Agent': 'request',
};

const options = {
    url: "https://example.com/users/6",
    headers:  headers
};

request.get(options, (error, response, body) => {
    console.log(response.body);
});

As of Django 1.2, you can use exists():

https://docs.djangoproject.com/en/dev/ref/models/querysets/#exists

if some_queryset.filter(pk=entity_id).exists():
    print("Entry contained in queryset")

var icon1 = "imageA.png";
var icon2 = "imageB.png";

var marker = new google.maps.Marker({
    position: myLatLng,
    map: map,
    icon: icon1,
    title: "some marker"
});

google.maps.event.addListener(marker, 'mouseover', function() {
    marker.setIcon(icon2);
});
google.maps.event.addListener(marker, 'mouseout', function() {
    marker.setIcon(icon1);
});

echo $_product->getImageUrl();

This method of the Product class should do the trick for you.

I was struggling with this for some time and after some help on a post I was able to come up with this formula =(DATEVALUE(LEFT(XX,10)))+(TIMEVALUE(MID(XX,12,5))) where XX is the cell in reference.

I've come across many other forums with people asking the same thing and this, to me, seems to be the simplest answer. What this will do is return text that is copied in from this format 2014/11/20 11:53 EST and turn it in to a Date/Time format so it can be sorted oldest to newest. It works with short date/long date and if you want the time just format the cell to display time and it will show. Hope this helps anyone who goes searching around like I did.

if string is a variable, use the .repr method on it:

>>> s = '\tgherkin\n'

>>> s
'\tgherkin\n'

>>> print(s)
    gherkin

>>> print(s.__repr__())
'\tgherkin\n'

Class methods are for when you need to have methods that aren't specific to any particular instance, but still involve the class in some way. The most interesting thing about them is that they can be overridden by subclasses, something that's simply not possible in Java's static methods or Python's module-level functions.

If you have a class MyClass, and a module-level function that operates on MyClass (factory, dependency injection stub, etc), make it a classmethod. Then it'll be available to subclasses.

from here ORA-00054: resource busy and acquire with NOWAIT specified

You can also look up the sql,username,machine,port information and get to the actual process which holds the connection

SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT , S.LOGON_TIME,SQ.SQL_FULLTEXT 
FROM V$LOCKED_OBJECT L, DBA_OBJECTS O, V$SESSION S, 
V$PROCESS P, V$SQL SQ 
WHERE L.OBJECT_ID = O.OBJECT_ID 
AND L.SESSION_ID = S.SID AND S.PADDR = P.ADDR 
AND S.SQL_ADDRESS = SQ.ADDRESS;

import os
import glob

path = 'c:\\'
extension = 'csv'
os.chdir(path)
result = glob.glob('*.{}'.format(extension))
print(result)

That is because in Python 3, they have replaced the print statement with the print function.

The syntax is now more or less the same as before, but it requires parens:

From the "what's new in python 3" docs:

Old: print "The answer is", 2*2
New: print("The answer is", 2*2)

Old: print x,           # Trailing comma suppresses newline
New: print(x, end=" ")  # Appends a space instead of a newline

Old: print              # Prints a newline
New: print()            # You must call the function!

Old: print >>sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)

Old: print (x, y)       # prints repr((x, y))
New: print((x, y))      # Not the same as print(x, y)!

Heres the code that creates a Dialog which allows the user of your application to change the Look And Feel based on the user's systems. Alternatively, if you can store the wanted Look And Feel's on your application, then they could be "portable", which is the desired result.

   public void changeLookAndFeel() {

        List<String> lookAndFeelsDisplay = new ArrayList<>();
        List<String> lookAndFeelsRealNames = new ArrayList<>();

        for (LookAndFeelInfo each : UIManager.getInstalledLookAndFeels()) {
            lookAndFeelsDisplay.add(each.getName());
            lookAndFeelsRealNames.add(each.getClassName());
        }

        String changeLook = (String) JOptionPane.showInputDialog(this, "Choose Look and Feel Here:", "Select Look and Feel", JOptionPane.QUESTION_MESSAGE, null, lookAndFeelsDisplay.toArray(), null);

        if (changeLook != null) {
            for (int i = 0; i < lookAndFeelsDisplay.size(); i++) {
                if (changeLook.equals(lookAndFeelsDisplay.get(i))) {
                    try {
                        UIManager.setLookAndFeel(lookAndFeelsRealNames.get(i));
                        break;
                    }
                    catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
                        err.println(ex);
                        ex.printStackTrace(System.err);
                    }
                }
            }
        }
    }

The lambda you pass to Where can include any normal C# code, for example the && operator:

.Where(l => l.Title != string.Empty && l.InternalName != string.Empty)

It is all but satisfying, isn't it? The easiest way I have found to specify when setting the context, e.g.:

sns.set_context("paper", rc={"font.size":8,"axes.titlesize":8,"axes.labelsize":5})   

This should take care of 90% of standard plotting usage. If you want ticklabels smaller than axes labels, set the 'axes.labelsize' to the smaller (ticklabel) value and specify axis labels (or other custom elements) manually, e.g.:

axs.set_ylabel('mylabel',size=6)

you could define it as a function and load it in your scripts so you don't have to remember your standard numbers, or call it every time.

def set_pubfig:
    sns.set_context("paper", rc={"font.size":8,"axes.titlesize":8,"axes.labelsize":5})   

Of course you can use configuration files, but I guess the whole idea is to have a simple, straightforward method, which is why the above works well.

Note: If you specify these numbers, specifying font_scale in sns.set_context is ignored for all specified font elements, even if you set it.

When nesting repetition operators, make absolutely sure that there is only one way to match the same match.

Creating ad-hoc distribution profiles

The instructions that Apple provides are here, but here is how I created a general provisioning profile that will work with multiple apps, and added a beta tester.

My setup:

• Xcode 3.2.1
• iPhone SDK 3.1.3

Before you get started, make sure that..

• You can run the app on your own iPhone through Xcode.

Step A: Add devices to the Provisioning Portal

1. Send an email to each beta tester with the following message:

   To get my app on onto your iPhone I need some information about your phone. Guess what, there is an app for that!

   Click on the below link and install and then run the app.

   http://itunes.apple.com/app/ad-hoc-helper/id285691333?mt=8

   This app will create an email. Please send it to me.

2. Collect all the UDIDs from your testers.

3. Go to the Provisioning Portal.

4. Go to the section Devices.

5. Click on the button Add Devices and add the devices previously collected.

Step B: Create a new provisioning profile

1. Start the Mac OS utility program Keychain Access.

2. In its main menu, select Keychain Access / Certificate Assistant / Request a Certificate From a Certificate Authority...

3. The dialog that pops up should aready have your email and name it it.

4. Select the radio button Saved to disk and Continue.

5. Save the file to disk.

6. Go back to the Provisioning Portal.

7. Go to the section Certificates.

8. Go to the tab Distribution.

9. Click the button Request Certificate.

10. Upload the file you created with Keychain Access: CertificateSigningRequest.certSigningRequest.

11. Click the button Aprove.

12. Refresh your browser until the status reads Issued.

13. Click the Download button and save the file distribution_identify.cer.

14. Doubleclick the file to add it to the Keychain.

15. Backup the certificate by selecting its private key and the File / Export Items....

16. Go back to the Provisioning Portal again.

17. Go to the section Provisioning.

18. Go to the tab Distribution.

19. Click the button New Profile.

20. Select the radio button Ad hoc.

21. Enter a profile name, I named mine Evertsson Common Ad Hoc.

22. Select the app id. I have a common app id to use for multiple apps: Evertsson Common.

23. Select the devices, in my case my own and my tester's.

24. Submit.

25. Refresh the browser until the status field reads Active.

26. Click the button Download and save the file to disk.

27. Doubleclick the file to add it to Xcode.

Step C: Build the app for distribution

1. Open your project in Xcode.

2. Open the Project Info pane: In Groups & Files select the topmost item and press Cmd+I.

3. Go to the tab Configuration.

4. Select the configuration Release.

5. Click the button Duplicate and name it Distribution.

6. Close the Project Info pane.

7. Open the Target Info pane: In Groups & Files expand Targets, select your target and press Cmd+I.

8. Go to the tab Build.

9. Select the Configuration named Distribution.

10. Find the section Code Signing.

11. Set the value of Code Signing Identity / Any iPhone OS Device to iPhone Distribution.

12. Close the Target Info pane.

13. In the main window select the Active Configuration to Distribution.

14. Create a new file from the file template Code Signing / Entitlements.

15. Name it Entitlements.plist.

16. In this file, uncheck the checkbox get-task-allow.

17. Bring up the Target Info pane, and find the section Code Signing again.

18. After Code Signing Entitlements enter the file name Entitlements.plist.

19. Save, clean, and build the project.

20. In Groups & Files find the folder MyApp / Products and expand it.

21. Right click the app and select Reveal in Finder.

22. Zip the .app file and the .mobileprovision file and send the archive to your tester.

    Here is my app. To install it onto your phone:

    1. Unzip the archive file.

    2. Open iTunes.

    3. Drag both files into iTunes and drop them on the Library group.

    4. Sync your phone to install the app.

Done! Phew. This worked for me. So far I've only added one tester.

tl;dr: No! Arrow functions and function declarations / expressions are not equivalent and cannot be replaced blindly.
If the function you want to replace does not use this, arguments and is not called with new, then yes.

As so often: it depends. Arrow functions have different behavior than function declarations / expressions, so let's have a look at the differences first:

1. Lexical this and arguments

Arrow functions don't have their own this or arguments binding. Instead, those identifiers are resolved in the lexical scope like any other variable. That means that inside an arrow function, this and arguments refer to the values of this and arguments in the environment the arrow function is defined in (i.e. "outside" the arrow function):

// Example using a function expression
function createObject() {
  console.log('Inside `createObject`:', this.foo);
  return {
    foo: 42,
    bar: function() {
      console.log('Inside `bar`:', this.foo);
    },
  };
}

createObject.call({foo: 21}).bar(); // override `this` inside createObject

// Example using a arrow function
function createObject() {
  console.log('Inside `createObject`:', this.foo);
  return {
    foo: 42,
    bar: () => console.log('Inside `bar`:', this.foo),
  };
}

createObject.call({foo: 21}).bar(); // override `this` inside createObject

In the function expression case, this refers to the object that was created inside the createObject. In the arrow function case, this refers to this of createObject itself.

This makes arrow functions useful if you need to access the this of the current environment:

// currently common pattern
var that = this;
getData(function(data) {
  that.data = data;
});

// better alternative with arrow functions
getData(data => {
  this.data = data;
});

Note that this also means that is not possible to set an arrow function's this with .bind or .call.

If you are not very familiar with this, consider reading

• MDN - this
• YDKJS - this & Object prototypes

2. Arrow functions cannot be called with new

ES2015 distinguishes between functions that are callable and functions that are constructable. If a function is constructable, it can be called with new, i.e. new User(). If a function is callable, it can be called without new (i.e. normal function call).

Functions created through function declarations / expressions are both constructable and callable.
Arrow functions (and methods) are only callable. class constructors are only constructable.

If you are trying to call a non-callable function or to construct a non-constructable function, you will get a runtime error.

Knowing this, we can state the following.

Replaceable:

• Functions that don't use this or arguments.
• Functions that are used with .bind(this)

Not replaceable:

• Constructor functions
• Function / methods added to a prototype (because they usually use this)
• Variadic functions (if they use arguments (see below))

Lets have a closer look at this using your examples:

Constructor function

This won't work because arrow functions cannot be called with new. Keep using a function declaration / expression or use class.

Prototype methods

Most likely not, because prototype methods usually use this to access the instance. If they don't use this, then you can replace it. However, if you primarily care for concise syntax, use class with its concise method syntax:

class User {
  constructor(name) {
    this.name = name;
  }
  
  getName() {
    return this.name;
  }
}

Object methods

Similarly for methods in an object literal. If the method wants to reference the object itself via this, keep using function expressions, or use the new method syntax:

const obj = {
  getName() {
    // ...
  },
};

Callbacks

It depends. You should definitely replace it if you are aliasing the outer this or are using .bind(this):

// old
setTimeout(function() {
  // ...
}.bind(this), 500);

// new
setTimeout(() => {
  // ...
}, 500);

But: If the code which calls the callback explicitly sets this to a specific value, as is often the case with event handlers, especially with jQuery, and the callback uses this (or arguments), you cannot use an arrow function!

Variadic functions

Since arrow functions don't have their own arguments, you cannot simply replace them with an arrow function. However, ES2015 introduces an alternative to using arguments: the rest parameter.

// old
function sum() {
  let args = [].slice.call(arguments);
  // ...
}

// new
const sum = (...args) => {
  // ...
};

Related question:

• When should I use Arrow functions in ECMAScript 6?
• Do ES6 arrow functions have their own arguments or not?
• What are the differences (if any) between ES6 arrow functions and functions bound with Function.prototype.bind?
• How to use arrow functions (public class fields) as class methods?

Further resources:

• MDN - Arrow functions
• YDKJS - Arrow functions

Use .map without return in simple way. Also start using let and const instead of var because let and const is more recommended

const rockets = [_x000D_
    { country:'Russia', launches:32 },_x000D_
    { country:'US', launches:23 },_x000D_
    { country:'China', launches:16 },_x000D_
    { country:'Europe(ESA)', launches:7 },_x000D_
    { country:'India', launches:4 },_x000D_
    { country:'Japan', launches:3 }_x000D_
];_x000D_
_x000D_
const launchOptimistic = rockets.map(elem => (_x000D_
  {_x000D_
    country: elem.country,_x000D_
    launches: elem.launches+10_x000D_
  } _x000D_
));_x000D_
_x000D_
console.log(launchOptimistic);

 function CheckValidAmount() {
        var amounttext = document.getElementById('txtRemittanceNumber').value;            
        if (!(/^[-+]?\d*\.?\d*$/.test(amounttext))){
            alert('Please enter only numbers into amount textbox.')
            document.getElementById('txtRemittanceNumber').value = "10.00";
        }
    }

This is the function which will take decimal number with any number of decimal places and without any decimal places.

Thanks ... :)

Use the 'And' keyword for a logical and. Like this:

If Not ((filename = testFileName) And (fileName <> "")) Then

you need a return statement in your first function.

function first(){
    var nameContent = document.getElementById('full_name').value;
    return nameContent;
}

and then in your second function can be:

function second(){
    alert(first());
}

lapsList() {

    return this.state.laps.map((data) => {
      return (
        <View><Text>{data.time}</Text></View>
      )
    })
}

You forgot to return the map. this code will resolve the issue.

Foreign keys work by joining a column to a unique key in another table, and that unique key must be defined as some form of unique index, be it the primary key, or some other unique index.

At the moment, the only unique index you have is a compound one on ISBN, Title which is your primary key.

There are a number of options open to you, depending on exactly what BookTitle holds and the relationship of the data within it.

I would hazard a guess that the ISBN is unique for each row in BookTitle. ON the assumption this is the case, then change your primary key to be only on ISBN, and change BookCopy so that instead of Title you have ISBN and join on that.

If you need to keep your primary key as ISBN, Title then you either need to store the ISBN in BookCopy as well as the Title, and foreign key on both columns, OR you need to create a unique index on BookTitle(Title) as a distinct index.

More generally, you need to make sure that the column or columns you have in your REFERENCES clause match exactly a unique index in the parent table: in your case it fails because you do not have a single unique index on Title alone.

To plot just a selection of your columns you can select the columns of interest by passing a list to the subscript operator:

ax = df[['V1','V2']].plot(kind='bar', title ="V comp", figsize=(15, 10), legend=True, fontsize=12)

What you tried was df['V1','V2'] this will raise a KeyError as correctly no column exists with that label, although it looks funny at first you have to consider that your are passing a list hence the double square brackets [[]].

import matplotlib.pyplot as plt
ax = df[['V1','V2']].plot(kind='bar', title ="V comp", figsize=(15, 10), legend=True, fontsize=12)
ax.set_xlabel("Hour", fontsize=12)
ax.set_ylabel("V", fontsize=12)
plt.show()

The -std=c++14 flag is not supported on GCC 4.8. If you want to use C++14 features you need to compile with -std=c++1y. Using godbolt.org it appears that the earilest version to support -std=c++14 is GCC 4.9.0 or Clang 3.5.0

Collations affect how data is sorted and how strings are compared to each other. That means you should use the collation that most of your users expect.

Example from the documentation for charset unicode:

utf8_general_ci also is satisfactory for both German and French, except that ‘ß’ is equal to ‘s’, and not to ‘ss’. If this is acceptable for your application, then you should use utf8_general_ci because it is faster. Otherwise, use utf8_unicode_ci because it is more accurate.

So - it depends on your expected user base and on how much you need correct sorting. For an English user base, utf8_general_ci should suffice, for other languages, like Swedish, special collations have been created.

You can use Object.values([]), you might need this polyfill if you don't already:

const objectToValuesPolyfill = (object) => {
  return Object.keys(object).map(key => object[key]);
};
Object.values = Object.values || objectToValuesPolyfill;

https://stackoverflow.com/a/54822153/846348

Then you can just do:

var object = {1: 'hello', 2: 'world'};
var array = Object.values(object);

Just remember that arrays in js can only use numerical keys so if you used something else in the object then those will become `0,1,2...x``

It can be useful to remove duplicates for example if you have a unique key.

var obj = {};
object[uniqueKey] = '...';

Try to add this at Header of your request: Accept=application/json postman or insomnia add header

Yet another way of getting the last item from a MongoDB Collection (don't mind about the examples):

> db.collection.find().sort({'_id':-1}).limit(1)

Normal Projection

> db.Sports.find()
{ "_id" : ObjectId("5bfb5f82dea65504b456ab12"), "Type" : "NFL", "Head" : "Patriots Won SuperBowl 2017", "Body" : "Again, the Pats won the Super Bowl." }
{ "_id" : ObjectId("5bfb6011dea65504b456ab13"), "Type" : "World Cup 2018", "Head" : "Brazil Qualified for Round of 16", "Body" : "The Brazilians are happy today, due to the qualification of the Brazilian Team for the Round of 16 for the World Cup 2018." }
{ "_id" : ObjectId("5bfb60b1dea65504b456ab14"), "Type" : "F1", "Head" : "Ferrari Lost Championship", "Body" : "By two positions, Ferrari loses the F1 Championship, leaving the Italians in tears." }

Sorted Projection ( _id: reverse order )

> db.Sports.find().sort({'_id':-1})
{ "_id" : ObjectId("5bfb60b1dea65504b456ab14"), "Type" : "F1", "Head" : "Ferrari Lost Championship", "Body" : "By two positions, Ferrari loses the F1 Championship, leaving the Italians in tears." }
{ "_id" : ObjectId("5bfb6011dea65504b456ab13"), "Type" : "World Cup 2018", "Head" : "Brazil Qualified for Round of 16", "Body" : "The Brazilians are happy today, due to the qualification of the Brazilian Team for the Round of 16 for the World Cup 2018." }
{ "_id" : ObjectId("5bfb5f82dea65504b456ab12"), "Type" : "NFL", "Head" : "Patriots Won SuperBowl 2018", "Body" : "Again, the Pats won the Super Bowl" }

sort({'_id':-1}), defines a projection in descending order of all documents, based on their _ids.

Sorted Projection ( _id: reverse order ): getting the latest (last) document from a collection.

> db.Sports.find().sort({'_id':-1}).limit(1)
{ "_id" : ObjectId("5bfb60b1dea65504b456ab14"), "Type" : "F1", "Head" : "Ferrari Lost Championship", "Body" : "By two positions, Ferrari loses the F1 Championship, leaving the Italians in tears." }

Avoids using either shift or a for cycle at the cost of size and readability.

@echo off
setlocal EnableExtensions EnableDelayedExpansion
set /a arg_idx=1
set "curr_arg_value="
:loop1
if !arg_idx! GTR 9 goto :done
set curr_arg_label=%%!arg_idx!
call :get_value curr_arg_value !curr_arg_label!
if defined curr_arg_value (
  echo/!curr_arg_label!: !curr_arg_value!
  set /a arg_idx+=1
  goto :loop1
)
:done
set /a cnt=!arg_idx!-1
echo/argument count: !cnt!
endlocal
goto :eof

:get_value
(
  set %1=%2
)

Output:

count_cmdline_args.bat testing more_testing arg3 another_arg

%1: testing
%2: more_testing
%3: arg3
%4: another_arg
argument count: 4

EDIT: The "trick" used here involves:

1. Constructing a string that represents a currently evaluated command-line argument variable (i.e. "%1", "%2" etc.) using a string that contains a percent character (%%) and a counter variable arg_idx on each loop iteration.

2. Storing that string into a variable curr_arg_label.

3. Passing both that string (!curr_arg_label!) and a return variable's name (curr_arg_value) to a primitive subprogram get_value.

4. In the subprogram its first argument's (%1) value is used on the left side of assignment (set) and its second argument's (%2) value on the right. However, when the second subprogram's argument is passed it is resolved into value of the main program's command-line argument by the command interpreter. That is, what is passed is not, for example, "%4" but whatever value the fourth command-line argument variable holds ("another_arg" in the sample usage).

5. Then the variable given to the subprogram as return variable (curr_arg_value) is tested for being undefined, which would happen if currently evaluated command-line argument is absent. Initially this was a comparison of the return variable's value wrapped in square brackets to empty square brackets (which is the only way I know of testing program or subprogram arguments which may contain quotes and was an overlooked leftover from trial-and-error phase) but was since fixed to how it is now.

You can also pass events down into child components with something like this:

<CustomComponent
    @keyup.enter="handleKeyUp"
/>

...

<template>
    <div>
        <input
            type="text"
            v-on="$listeners"
        >
    </div>
</template>

<script>
export default {
    name: 'CustomComponent',

    mounted() {
        console.log('listeners', this.$listeners)
    },
}
</script>

That works well if you have a pass-through component and want the listeners to go onto a specific element.

String before = EMPTY_SPACE+TAB+"word"+TAB+EMPTY_SPACE;

try this

.hiddencol
    {
        display:none;
    }
    .viscol
    {
        display:block;
    }

add following code on RowCreated Event of GridView

protected void OnRowCreated(object sender, GridViewRowEventArgs e)
{
     if (e.Row.RowType == DataControlRowType.DataRow)
     {
         e.Row.Cells[0].CssClass = "hiddencol";
     }
     else if (e.Row.RowType == DataControlRowType.Header)
     {
         e.Row.Cells[0].CssClass = "hiddencol";
     }
}

Although this is a very old question in Java 8 you could do something like

 List<String> a1 = Arrays.asList("2009-05-18", "2009-05-19", "2009-05-21");
 List<String> a2 = Arrays.asList("2009-05-18", "2009-05-18", "2009-05-19", "2009-05-19", "2009-05-20", "2009-05-21","2009-05-21", "2009-05-22");

 List<String> result = a2.stream().filter(elem -> !a1.contains(elem)).collect(Collectors.toList());

Let me share my fix in ASP.NET MVC 4. The main idea like in correct answer for PHP. The next code added in main Layout in header near scripts section:

@if (Request.Browser.Browser=="Safari")
{
    string pageUrl = Request.Url.GetLeftPart(UriPartial.Path);
    if (Request.Params["safarifix"] != null && Request.Params["safarifix"] == "doSafariFix")
    {
        Session["IsActiveSession"] = true;
        Response.Redirect(pageUrl);
        Response.End();
    }
        else if(Session["IsActiveSession"]==null)
    {
        <script>top.window.location = "?safarifix=doSafariFix";</script>
    }
}

java.time

As of Java 8+ you can use the java.time package. Specifically, use DateTimeFormatterBuilder and DateTimeFormatter to format the patterns and literals.

DateTimeFormatter formatter = new DateTimeFormatterBuilder()
        .appendPattern("MM").appendLiteral("/")
        .appendPattern("dd").appendLiteral("/")
        .appendPattern("yyyy").appendLiteral(" ")
        .appendPattern("hh").appendLiteral(":")
        .appendPattern("mm").appendLiteral(":")
        .appendPattern("ss").appendLiteral(" ")
        .appendPattern("a")
        .toFormatter();
System.out.println(LocalDateTime.now().format(formatter));

The output ...

06/22/2015 11:59:14 AM

Or if you want different time zone…

// system default
System.out.println(formatter.withZone(ZoneId.systemDefault()).format(Instant.now()));
// Chicago
System.out.println(formatter.withZone(ZoneId.of("America/Chicago")).format(Instant.now()));
// Kathmandu
System.out.println(formatter.withZone(ZoneId.of("Asia/Kathmandu")).format(Instant.now()));

The output ...

06/22/2015 12:38:42 PM
06/22/2015 02:08:42 AM
06/22/2015 12:53:42 PM

Using the standard mysql.createPool(), connections are lazily created by the pool. If you configure the pool to allow up to 100 connections, but only ever use 5 simultaneously, only 5 connections will be made. However if you configure it for 500 connections and use all 500 they will remain open for the durations of the process, even if they are idle!

This means if your MySQL Server max_connections is 510 your system will only have 10 mySQL connections available until your MySQL Server closes them (depends on what you have set your wait_timeout to) or your application closes! The only way to free them up is to manually close the connections via the pool instance or close the pool.

mysql-connection-pool-manager module was created to fix this issue and automatically scale the number of connections dependant on the load. Inactive connections are closed and idle connection pools are eventually closed if there has not been any activity.

    // Load modules
const PoolManager = require('mysql-connection-pool-manager');

// Options
const options = {
  ...example settings
}

// Initialising the instance
const mySQL = PoolManager(options);

// Accessing mySQL directly
var connection = mySQL.raw.createConnection({
  host     : 'localhost',
  user     : 'me',
  password : 'secret',
  database : 'my_db'
});

// Initialising connection
connection.connect();

// Performing query
connection.query('SELECT 1 + 1 AS solution', function (error, results, fields) {
  if (error) throw error;
  console.log('The solution is: ', results[0].solution);
});

// Ending connection
connection.end();

Ref: https://www.npmjs.com/package/mysql-connection-pool-manager

I had a similar error on my side when I was using JDBC in Java code.

According to this website (the second awnser) it suggest that you are trying to execute the query with a missing parameter.

For instance :

exec SomeStoredProcedureThatReturnsASite( :L_kSite );

You are trying to execute the query without the last parameter.

Maybe in SQLPlus it doesn't have the same requirements, so it might have been a luck that it worked there.

It seems little late but here are my two cents. We cannot have List<int> as int is a primitive type so we can only have List<Integer>.

Java 8 (int array)

int[] ints = new int[] {1,2,3,4,5};
List<Integer> list11 =Arrays.stream(ints).boxed().collect(Collectors.toList()); 

Java 8 and below (Integer array)

Integer[] integers = new Integer[] {1,2,3,4,5};
List<Integer> list21 =  Arrays.asList(integers); // returns a fixed-size list backed by the specified array.
List<Integer> list22 = new ArrayList<>(Arrays.asList(integers)); // good
List<Integer> list23 = Arrays.stream(integers).collect(Collectors.toList()); //Java 8 only

Need ArrayList and not List?

In case we want a specific implementation of List e.g. ArrayList then we can use toCollection as:

ArrayList<Integer> list24 = Arrays.stream(integers)
                          .collect(Collectors.toCollection(ArrayList::new));

Why list21 cannot be structurally modified?

When we use Arrays.asList the size of the returned list is fixed because the list returned is not java.util.ArrayList, but a private static class defined inside java.util.Arrays. So if we add or remove elements from the returned list, an UnsupportedOperationException will be thrown. So we should go with list22 when we want to modify the list. If we have Java8 then we can also go with list23.

To be clear list21 can be modified in sense that we can call list21.set(index,element) but this list may not be structurally modified i.e. cannot add or remove elements from the list. You can also check this answer of mine for more explanation.

If we want an immutable list then we can wrap it as:

List<Integer> list22 = Collections.unmodifiableList(Arrays.asList(integers));

Another point to note is that the method Collections.unmodifiableList returns an unmodifiable view of the specified list. An unmodifiable view collection is a collection that is unmodifiable and is also a view onto a backing collection. Note that changes to the backing collection might still be possible, and if they occur, they are visible through the unmodifiable view.

We can have a truly immutable list in Java 9 and 10.

Truly Immutable list

Java 9:

String[] objects = {"Apple", "Ball", "Cat"};
List<String> objectList = List.of(objects);

Java 10 (Truly Immutable list):

We can use List.of introduced in Java 9. Also other ways:

1. List.copyOf(Arrays.asList(integers))
2. Arrays.stream(integers).collect(Collectors.toUnmodifiableList());

The reason csv doesn't support that is because variable-length lines are not really supported on most filesystems. What you should do instead is collect all the data in lists, then call zip() on them to transpose them after.

>>> l = [('Result_1', 'Result_2', 'Result_3', 'Result_4'), (1, 2, 3, 4), (5, 6, 7, 8)]
>>> zip(*l)
[('Result_1', 1, 5), ('Result_2', 2, 6), ('Result_3', 3, 7), ('Result_4', 4, 8)]

You can access hidden fields' values with val(), just like you can do on any other input element:

<input type="hidden" id="foo" name="zyx" value="bar" />

alert($('input#foo').val());
alert($('input[name=zyx]').val());
alert($('input[type=hidden]').val());
alert($(':hidden#foo').val());
alert($('input:hidden[name=zyx]').val());

Those all mean the same thing in this example.

Simple solution for all gaps:

    public boolean isNowTimeBetween(String startTime, String endTime) {
        LocalTime start = LocalTime.parse(startTime);//"22:00"
        LocalTime end = LocalTime.parse(endTime);//"10:00"
        LocalTime now = LocalTime.now();

        if (start.isBefore(end))
            return now.isAfter(start) && now.isBefore(end);

        return now.isBefore(start)
                ? now.isBefore(start) && now.isBefore(end)
                : now.isAfter(start) && now.isAfter(end);
}

I use this to get the Parent, similarly for child

$( this ).children( 'li.target' ).css("border", "3px double red");

Good Luck

(note: I'm assuming that all you know is object or IList or similar, and that the list could be any type at runtime)

If you know it is a List<T>, then:

Type type = abc.GetType().GetGenericArguments()[0];

Another option is to look at the indexer:

Type type = abc.GetType().GetProperty("Item").PropertyType;

Using new TypeInfo:

using System.Reflection;
// ...
var type = abc.GetType().GetTypeInfo().GenericTypeArguments[0];

If you want see your buffer size in terminal, you can take a look at:

• /proc/sys/net/ipv4/tcp_rmem (for read)
• /proc/sys/net/ipv4/tcp_wmem (for write)

They contain three numbers, which are minimum, default and maximum memory size values (in byte), respectively.

Try this

Install

npm install primeng --save

Import

import {FileUploadModule} from 'primeng/primeng';

Html

<p-fileUpload name="myfile[]" url="./upload.php" multiple="multiple"
    accept="image/*" auto="auto"></p-fileUpload>

Maybe the method document.createElement(); is what you're looking for.

As the other answers have indicated, you need to use an anonymous type.

As far as syntax is concerned, I personally far prefer method chaining. The method chaining equivalent would be:-

var employee = _db.EMPLOYEEs
    .Where(x => x.EMAIL == givenInfo || x.USER_NAME == givenInfo)
    .Select(x => new { x.EMAIL, x.ID });

AFAIK, the declarative LINQ syntax is converted to a method call chain similar to this when it is compiled.

UPDATE

If you want the entire object, then you just have to omit the call to Select(), i.e.

var employee = _db.EMPLOYEEs
    .Where(x => x.EMAIL == givenInfo || x.USER_NAME == givenInfo);

For python3.5.3, pip3 is also installed when you install python. When you install it you may not select the add to path. Then you can find where the pip3 located and add it to path manually.

On Windows it's holding down Alt while box selecting. Once you have your selection then attempt your edit.

It can be done by:

select{
  background: url(data:image/svg+xml;base64,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) no-repeat 100% 50%;
}

select{_x000D_
  background: url(data:image/svg+xml;base64,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) no-repeat 100% 50%;_x000D_
  _x000D_
  _x000D_
    -moz-appearance: none;_x000D_
    -webkit-appearance: none;_x000D_
    -webkit-border-radius: 0px;_x000D_
    appearance: none;_x000D_
    outline-width: 0;_x000D_
    _x000D_
    padding: 10px 10px 10px 5px;_x000D_
    display: block;_x000D_
    width: 10em;_x000D_
    border: none;_x000D_
    font-size: 1rem;_x000D_
    _x000D_
    border-bottom: 1px solid #757575;_x000D_
  }

<div class="styleSelect">_x000D_
  <select class="units">_x000D_
    <option value="Metres">Metres</option>_x000D_
    <option value="Feet">Feet</option>_x000D_
    <option value="Fathoms">Fathoms</option>_x000D_
  </select>_x000D_
</div>

In linux environment:

ip="$(ifconfig eth0 | grep "inet addr:" | awk '{print $2}' | cut -d ':' -f 2)"

or

ip="$(ifconfig eth0 | grep "inet addr:" | awk '{print $2}' | cut -d ':' -f 2)" | echo $ip

example in FreeBSD:

ifconfig re0 | grep -v "inet6" | grep -i "inet" | awk '{print $2}'

If you have more than one IP address configured, you will have more than one IP address in stdout.

You can also use rsync

rsync -rv --size-only --dry-run /my/source/ /my/dest/ > diff.out

There's no "else if". You have the following:

if (condition)
    statement or block

Or:

if (condition)
    statement or block
else
    statement or block

In the first case, the statement or block is executed if the condition is true (different than 0). In the second case, if the condition is true, the first statement or block is executed, otherwise the second statement or block is executed.

So, when you write "else if", that's an "else statement", where the second statement is an if statement. You might have problems if you try to do this:

if (condition)
    if (condition)
        statement or block
else
    statement or block

The problem here being you want the "else" to refer to the first "if", but you are actually referring to the second one. You fix this by doing:

if (condition)
{
    if (condition)
        statement or block
} else
    statement or block

Click settings and search for "Repositories", then select the local repo and click "Update". That's all. This action meets my need.

Assuming you want to change the url to another within the same domain, you can use this:

history.pushState('data', '', 'http://www.yourcurrentdomain.com/new/path');

.a files are static libraries typically generated by the archive tool. You usually include the header files associated with that static library and then link to the library when you are compiling.

The answers are outdated. You simply have to conda install pip and git. Then you can use pip normally:

1. Activate your conda environment source activate myenv

2. conda install git pip

3. pip install git+git://github.com/scrappy/scrappy@master

Proper HTML way: just surround your button with anchor element and add attribute target="_blank". It is as simple as that:

<a ng-href="{{yourDynamicURL}}" target="_blank">
    <h1>Open me in new Tab</h1>
</a>

where you can set in the controller:

$scope.yourDynamicURL = 'https://stackoverflow.com';

If you don't use innodb_file_per_table, reclaiming disk space is possible, but quite tedious, and requires a significant amount of downtime.

The How To is pretty in-depth - but I pasted the relevant part below.

Be sure to also retain a copy of your schema in your dump.

Currently, you cannot remove a data file from the system tablespace. To decrease the system tablespace size, use this procedure:

Use mysqldump to dump all your InnoDB tables.

Stop the server.

Remove all the existing tablespace files, including the ibdata and ib_log files. If you want to keep a backup copy of the information, then copy all the ib* files to another location before the removing the files in your MySQL installation.

Remove any .frm files for InnoDB tables.

Configure a new tablespace.

Restart the server.

Import the dump files.

This article covers various ways of concatenating strings in SQL, including an improved version of your code which doesn't XML-encode the concatenated values.

SELECT ID, abc = STUFF
(
    (
        SELECT ',' + name
        FROM temp1 As T2
        -- You only want to combine rows for a single ID here:
        WHERE T2.ID = T1.ID
        ORDER BY name
        FOR XML PATH (''), TYPE
    ).value('.', 'varchar(max)')
, 1, 1, '')
FROM temp1 As T1
GROUP BY id

To understand what's happening, start with the inner query:

SELECT ',' + name
FROM temp1 As T2
WHERE T2.ID = 42 -- Pick a random ID from the table
ORDER BY name
FOR XML PATH (''), TYPE

Because you're specifying FOR XML, you'll get a single row containing an XML fragment representing all of the rows.

Because you haven't specified a column alias for the first column, each row would be wrapped in an XML element with the name specified in brackets after the FOR XML PATH. For example, if you had FOR XML PATH ('X'), you'd get an XML document that looked like:

<X>,aaa</X>
<X>,bbb</X>
...

But, since you haven't specified an element name, you just get a list of values:

,aaa,bbb,...

The .value('.', 'varchar(max)') simply retrieves the value from the resulting XML fragment, without XML-encoding any "special" characters. You now have a string that looks like:

',aaa,bbb,...'

The STUFF function then removes the leading comma, giving you a final result that looks like:

'aaa,bbb,...'

It looks quite confusing at first glance, but it does tend to perform quite well compared to some of the other options.

What about this solution? It does not rely on knowledge of @staticmethod decorator implementation. Inner class StaticMethod plays as a container of static initialization functions.

class Klass(object):

    class StaticMethod:
        @staticmethod  # use as decorator
        def _stat_func():
            return 42

    _ANS = StaticMethod._stat_func()  # call the staticmethod

    def method(self):
        ret = self.StaticMethod._stat_func() + Klass._ANS
        return ret

Just goto AVD manager and Cold Boot Now worked for me

Your problem is not getting the directory (fso.GetAbsolutePathName(".") resolves the current working directory just fine). Even if you wanted the script directory instead of the current working directory, you could easily determine that as Jakob Sternberg described in his answer.

What does not work in your code is building a path from the directory and your executable. This is invalid syntax:

Directory = CurrentDirectory\attribute.exe

If you want to build a path from a variable and a file name, the file name must be specified as a string (or a variable containing a string) and either concatenated with the variable directory variable:

Directory = CurrentDirectory & "\attribute.exe"

or (better) you construct the path using the BuildPath method:

Directory = fso.BuildPath(CurrentDirectory, "attribute.exe")

When an object implements IDisposable you should call Dispose (or Close, in some cases, that will call Dispose for you).

You normally do not have to set objects to null, because the GC will know that an object will not be used anymore.

There is one exception when I set objects to null. When I retrieve a lot of objects (from the database) that I need to work on, and store them in a collection (or array). When the "work" is done, I set the object to null, because the GC does not know I'm finished working with it.

Example:

using (var db = GetDatabase()) {
    // Retrieves array of keys
    var keys = db.GetRecords(mySelection); 

    for(int i = 0; i < keys.Length; i++) {
       var record = db.GetRecord(keys[i]);
       record.DoWork();
       keys[i] = null; // GC can dispose of key now
       // The record had gone out of scope automatically, 
       // and does not need any special treatment
    }
} // end using => db.Dispose is called

The file path "c:\Test\blah" will have a tab character for the `\T'. You need to use either:

"C:\\Test"

or

r"C:\Test"

Microsoft has also implemented the operators '<' and '>'. So you use these to compare two dates.

if (date1 < DateTime.Now)
   Console.WriteLine("Less than the current time!");

A> a typdef aids in the meaning and documentation of a program by allowing creation of more meaningful synonyms for data types. In addition, they help parameterize a program against portability problems (K&R, pg147, C prog lang).

B> a structure defines a type. Structs allows convenient grouping of a collection of vars for convenience of handling (K&R, pg127, C prog lang.) as a single unit

C> typedef'ing a struct is explained in A above.

D> To me, structs are custom types or containers or collections or namespaces or complex types, whereas a typdef is just a means to create more nicknames.

You want something more like this:

SELECT TableA.*, TableB.*, TableC.*, TableD.*
FROM TableA
    JOIN TableB
        ON TableB.aID = TableA.aID
    JOIN TableC
        ON TableC.cID = TableB.cID
    JOIN TableD
        ON TableD.dID = TableA.dID
WHERE DATE(TableC.date)=date(now()) 

In your example, you are not actually including TableD. All you have to do is perform another join just like you have done before.

A note: you will notice that I removed many of your parentheses, as they really are not necessary in most of the cases you had them, and only add confusion when trying to read the code. Proper nesting is the best way to make your code readable and separated out.

I came across the same issue. I checked out using Tortoise client and then tried to import the projects in Eclipse using import wizard. Eclipse did not recognize the svn location. I tried share option as mentioned in the above posts and it tried to commit these projects into SVN. But my issue was a version mismatch. I selected svn 1.8 version in eclipse (I was using 1.7 in eclipse and 1.8.8 in tortoise) and then re imported the projects. It resolved with no issues.

This worked for me.

def parse_data():
    if request.method == "POST":
        data = request.get_json()
        print(data['answers'])
        return render_template('output.html', data=data)

$.ajax({
      type: 'POST',
      url: "/parse_data",
      data: JSON.stringify({values}),
      contentType: "application/json;charset=utf-8",
      dataType: "json",
      success: function(data){
        // do something with the received data
      }
    });

I created a new performance test for unset and =null, because as mentioned in the comments the here written has an error (the recreating of the elements). I used arrays, as you see it didn't matter now.

<?php
$arr1 = array();
$arr2 = array();
for ($i = 0; $i < 10000000; $i++) {
    $arr1[$i] = 'a';
    $arr2[$i] = 'a';
}

$start = microtime(true);
for ($i = 0; $i < 10000000; $i++) {
    $arr1[$i] = null;
}
$elapsed = microtime(true) - $start;

echo 'took '. $elapsed .'seconds<br>';

$start = microtime(true);
for ($i = 0; $i < 10000000; $i++) {
    unset($arr2[$i]);
}
$elapsed = microtime(true) - $start;

echo 'took '. $elapsed .'seconds<br>';

But i can only test it on an PHP 5.5.9 server, here the results: - took 4.4571571350098 seconds - took 4.4425978660583 seconds

I prefer unset for readability reasons.

try this

@Html.DropDownList("ddlcountry",(List<SelectListItem>)ViewBag.countrydrop,"Select country")

In Controller

ViewBag.countrydrop = ds.getcountry().Select(x => new SelectListItem { Text = x.country, Value = x.countryid.ToString() }).ToList();

This program will definitely help you.

class SpaceCount
{

    public static int spaceCount(String s)
    { int a=0;
        char ch[]= new char[s.length()];
        for(int i = 0; i < s.length(); i++) 

        {  ch[i]= s.charAt(i);
            if( ch[i]==' ' )
            a++;
                }   
        return a;
    }


    public static void main(String... s)
    {
        int m = spaceCount("Hello I am a Java Developer");
        System.out.println("The number of words in the String are :  "+m);

    }
}

Here is what I did recently in PHP on one of my bigger systems:

1. User inputs newsletter text and selects the recipients (which generates a query to retrieve the email addresses for later).

2. Add the newsletter text and recipients query to a row in mysql table called *email_queue*

   • (The table email_queue has the columns "to" "subject" "body" "priority")

3. I created another script, which runs every minute as a cron job. It uses the SwiftMailer class. This script simply:

   • during business hours, sends all email with priority == 0

   • after hours, send other emails by priority

Depending on the hosts settings, I can now have it throttle using standard swiftmailers plugins like antiflood and throttle...

$mailer->registerPlugin(new Swift_Plugins_AntiFloodPlugin(50, 30));

and

$mailer->registerPlugin(new Swift_Plugins_ThrottlerPlugin( 100, Swift_Plugins_ThrottlerPlugin::MESSAGES_PER_MINUTE ));

etc, etc..

I have expanded it way beyond this pseudocode, with attachments, and many other configurable settings, but it works very well as long as your server is setup correctly to send email. (Probably wont work on shared hosting, but in theory it should...) Swiftmailer even has a setting

$message->setReturnPath

Which I now use to track bounces...

Happy Trails! (Happy Emails?)

I use UltraEdit to edit large files. The maximum size I open with UltraEdit was about 2.5 GB. Also UltraEdit has a good hex editor in comparison to Notepad++.

Go to the folder in which you have Node and NPM (such as C:\Program Files (x86)\nodejs\) and type the following:

> set path=%PATH%;%CD%
> setx path "%PATH%"

From http://www.hacksparrow.com/install-node-js-and-npm-on-windows.html

select * from [schema_name].sys.tables

This should work. Make sure you are on the server which consists of your "[schema_name]"

Board.setPreferredSize(new Dimension(x, y));
.
.
//Main.add(Board, BorderLayout.CENTER);
Main.add(Board, BorderLayout.CENTER);
Main.setLocations(x, y);
Main.pack();
Main.setVisible(true);

You could use the substring and concatenation for easy formatting too.

telephoneNumber = "("+telephoneNumber.substring(0, 3)+")-"+telephoneNumber.substring(3, 6)+"-"+telephoneNumber.substring(6, 10);

But one thing to note is that you must check for the lenght of the telephone number field just to make sure that your formatting is safe.

In Excel 2010, You have the countifS function.

I was having issues if I was trying to count the number of cells in a range that have a non0 value.

e.g. If you had a worksheet that in the range A1:A10 had values 1, 0, 2, 3, 0 and you wanted the answer 3.

The normal function =COUNTIF(A1:A10,"<>0") would give you 8 as it is counting the blank cells as 0s.

My solution to this is to use the COUNTIFS function with the same range but multiple criteria e.g.

=COUNTIFS(A1:A10,"<>0",A1:A10,"<>")

This effectively checks if the range is non 0 and is non blank.

As an addon to Dima V's answer this is what I did to make this work for me.

// First declare the window global outside the class

declare let window: any;

// Inside the required class method

let globVarName = window.globVarName;

To decode json, you have to pass the json string. Currently you're trying to pass an object:

>>> response = urlopen(url)
>>> response
<addinfourl at 2146100812 whose fp = <socket._fileobject object at 0x7fe8cc2c>>

You can fetch the data with response.read().

That's the easiest I could think of (TESTED) and it works!!

char message[50];
fgets(message, 50, stdin);
for( i = 0, j = 0; i < strlen(message); i++){
        message[i-j] = message[i];
        if(message[i] == ' ')
            j++;
}
message[i] = '\0';

Your second example does not work if you send the argument by reference. Did you mean

void copyVecFast(vec<int> original) // no reference
{

  vector<int> new_;
  new_.swap(original); 
}

That would work, but an easier way is

vector<int> new_(original);

I'm the creator of Restangular.

You can take a look at this CRUD example to see how you can PUT/POST/GET elements without all that URL configuration and $resource configuration that you need to do. Besides it, you can then use nested resources without any configuration :).

Check out this plunkr example:

http://plnkr.co/edit/d6yDka?p=preview

You could also see the README and check the documentation here https://github.com/mgonto/restangular

If you need some feature that's not there, just create an issue. I usually add features asked within a week, as I also use this library for all my AngularJS projects :)

Hope it helps!

In addition to keeping the variables local, one very handy use is when writing a library using a global variable, you can give it a shorter variable name to use within the library. It's often used in writing jQuery plugins, since jQuery allows you to disable the $ variable pointing to jQuery, using jQuery.noConflict(). In case it is disabled, your code can still use $ and not break if you just do:

(function($) { ...code...})(jQuery);

I had this issue where I had already created the table and could not change it without dropping the table so what I did was: (Not sure when they implemented this but had it in SQL 2016)

Right click on the table in the Object Explorer:

Script Table as > DROP And CREATE To > New Query Editor Window

Then do the edit to the script said by Josien; scroll to the bottom where the CREATE TABLE is, find your Primary Key and append IDENTITY(1,1) to the end before the comma. Run script.

The DROP and CREATE script was also helpful for me because of this issue. (Which the generated script handles.)

System.out is "standard output" (stdout) and System.err is "error output" (stderr). Along with System.in (stdin), these are the three standard I/O streams in the Unix model. Most modern programming environments (C, Perl, etc.) support this model.

The standard output stream is used to print output from "normal operations" of the program, while the error stream is for "error messages". These need to be separate -- though in most cases they appear on the same console.

Suppose you have a simple program where you enter a phone number and it prints out the person who has that number. If you enter an invalid number, the program should inform you of that error, but it shouldn't do that as the answer: If you enter "999-ABC-4567" and the program prints an error message "Not a valid number", that doesn't mean there is a person named "Not a valid number" whose number is 999-ABC-4567. So it prints out nothing to the standard output, and the message "Not a valid number" is printed to the error output.

You can set up the execution environment to distinguish between the two streams, for example, make the standard output print to the screen and error output print to a file.

You might also consider split-path -parent $psISE.CurrentFile.Fullpath if any of the other methods fail. In particular, if you run a file to load a bunch of functions and then execute those functions with-in the ISE shell (or if you run-selected), it seems the Get-Script-Directory function as above doesn't work.

this works for me, sudo apt-get install libx11-dev

You can also embed using JavaScript through a third-party solution like PDFObject.

I had the same problem and have solved it in the following way:

const fetch = (url) => {
  return node-fetch(url)
    .then(result => result.json())
    .catch((e) => {
      return new Promise((resolve) => setTimeout(() => resolve(fetch(url)), timeout));
    });
};

tasks = [fetch(url1), fetch(url2) ....];

Promise.all(tasks).then(......)

In that case Promise.all will wait for every Promise will come into resolved or rejected state.

And having this solution we are "stopping catch execution" in a non-blocking way. In fact, we're not stopping anything, we just returning back the Promise in a pending state which returns another Promise when it's resolved after the timeout.

Prompted by this question, may I present another alternative which might be a bit nicer to use and will look the same for both methods and functions:

@static_var2('seed',0)
def funccounter(statics, add=1):
    statics.seed += add
    return statics.seed

print funccounter()       #1
print funccounter(add=2)  #3
print funccounter()       #4

class ACircle(object):
    @static_var2('seed',0)
    def counter(statics, self, add=1):
        statics.seed += add
        return statics.seed

c = ACircle()
print c.counter()      #1
print c.counter(add=2) #3
print c.counter()      #4
d = ACircle()
print d.counter()      #5
print d.counter(add=2) #7
print d.counter()      #8    

If you like the usage, here's the implementation:

class StaticMan(object):
    def __init__(self):
        self.__dict__['_d'] = {}

    def __getattr__(self, name):
        return self.__dict__['_d'][name]
    def __getitem__(self, name):
        return self.__dict__['_d'][name]
    def __setattr__(self, name, val):
        self.__dict__['_d'][name] = val
    def __setitem__(self, name, val):
        self.__dict__['_d'][name] = val

def static_var2(name, val):
    def decorator(original):
        if not hasattr(original, ':staticman'):    
            def wrapped(*args, **kwargs):
                return original(getattr(wrapped, ':staticman'), *args, **kwargs)
            setattr(wrapped, ':staticman', StaticMan())
            f = wrapped
        else:
            f = original #already wrapped

        getattr(f, ':staticman')[name] = val
        return f
    return decorator

x=[1,2,3,4,5]
sum=0
for s in range(0,len(x)):
   sum=sum+x[s]
print sum   

I'm posting my solution for the other sleep-deprived souls out there:

If you're using RVM, double-check that you're in the correct folder, using the correct ruby version and gemset. I had an array of terminal tabs open, and one of them was in a different directory. typing "rails console" produced the error because my default rails distro is 2.3.x.

I noticed the error on my part, cd'd to the correct directory, and my .rvmrc file did the rest.

RVM is not like Git. In git, changing branches in one shell changes it everywhere. It's literally rewriting the files in question. RVM, on the other hand, is just setting shell variables, and must be set for each new shell you open.

In case you're not familiar with .rvmrc, you can put a file with that name in any directory, and rvm will pick it up and use the version/gemset specified therein, whenever you change to that directory. Here's a sample .rvmrc file:

rvm use 1.9.2@turtles

This will switch to the latest version of ruby 1.9.2 in your RVM collection, using the gemset "turtles". Now you can open up a hundred tabs in Terminal (as I end up doing) and never worry about the ruby version it's pointing to.

I know that this is super-duper old, but on the off chance that someone comes looking for this, as of Visual Basic 14, Vb supports interpolation. Sooooo cool!

Example:

SQLQueryString = $"
   Insert into Employee values( 
       {txtEmployeeNo}, 
       {txtContractsStartDate},
       {txtSeatNo},
       {txtFloor},
       {txtLeaves}
)"

It works. Documentation Here

Edit: After writing this, I realized that the OP was talking about VBA. This will not work in VBA!!! However, I will leave this up here, because as someone new to VB, I stumbled upon this question looking for a solution to just this problem in VB.net. If this helps someone else, great.

based on Jon's Idea and dear Trufa

def modifyTuple(tup, oldval, newval):
    lst=list(tup)
    for i in range(tup.count(oldval)):
        index = lst.index(oldval)
        lst[index]=newval

    return tuple(lst)

print modTupByIndex((1, 1, 3), 1, "a")

it changes all of your old values occurrences

I think you cannot, there are so many scenarios where even sending an e-mail can fail. Eg. mail server on the user side is temporarily down, mailbox exists but is full so message cannot be delivered, etc.

That's probably why so many sites validate a registration after the user confirmed they have received the confirmation e-mail.

You create the relationships the other way around; add foreign keys to the Person type to create a Many-to-One relationship:

class Person(models.Model):
    name = models.CharField(max_length=50)
    birthday = models.DateField()
    anniversary = models.ForeignKey(
        Anniversary, on_delete=models.CASCADE)
    address = models.ForeignKey(
        Address, on_delete=models.CASCADE)

class Address(models.Model):
    line1 = models.CharField(max_length=150)
    line2 = models.CharField(max_length=150)
    postalcode = models.CharField(max_length=10)
    city = models.CharField(max_length=150)
    country = models.CharField(max_length=150)

class Anniversary(models.Model):
    date = models.DateField()

Any one person can only be connected to one address and one anniversary, but addresses and anniversaries can be referenced from multiple Person entries.

Anniversary and Address objects will be given a reverse, backwards relationship too; by default it'll be called person_set but you can configure a different name if you need to. See Following relationships "backward" in the queries documentation.

In your last block you have a comma after 'lang', followed immediately with a function. This is not valid json.

EDIT

It appears that the readme was incorrect. I had to to pass an array with the string 'twitter'.

var converter = new Showdown.converter({extensions: ['twitter']}); converter.makeHtml('whatever @meandave2020'); // output "<p>whatever <a href="http://twitter.com/meandave2020">@meandave2020</a></p>" 

I submitted a pull request to update this.

Just set minDate: 0

Here is my script:

$("#valid_from")
   .datepicker({
     minDate: 0,
     defaultDate: "+1w",
     changeMonth: true,
     numberOfMonths: 3
})

Just going to add this here because I landed on this page looking for how to do this in moment.js and others may do too.

[Rationale: the word "moment" already appears elsewhere on this page so search engines direct here, and moment.js is widespread enough to warrant to being covered going on how often it is mentioned in other date-related SO questions]

So, in version 2.0.0 and above:

date.startOf('day');

For earlier versions:

date.sod();

Docs:

http://momentjs.com/docs/#/manipulating/start-of/

The textPath may be good for some case.

<svg width="200" height="200"
    xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <defs>
  <!-- define lines for text lies on -->
  <path id="path1" d="M10,30 H190 M10,60 H190 M10,90 H190 M10,120 H190"></path>
 </defs>
 <use xlink:href="#path1" x="0" y="35" stroke="blue" stroke-width="1" />
 <text transform="translate(0,35)" fill="red" font-size="20">
  <textPath xlink:href="#path1">This is a long long long text ......</textPath>
 </text>
</svg>

For the OP's command:

select compid,2, convert(datetime, '01/01/' + CONVERT(char(4),cal_yr) ,101) ,0,  Update_dt, th1, th2, th3_pc , Update_id, Update_dt,1
from  #tmp_CTF** 

I get this error:

Msg 102, Level 15, State 1, Line 2
Incorrect syntax near '*'.

when debugging something like this split the long line up so you'll get a better row number:

select compid
,2
, convert(datetime
, '01/01/' 
+ CONVERT(char(4)
,cal_yr) 
,101) 
,0
,  Update_dt
, th1
, th2
, th3_pc 
, Update_id
, Update_dt
,1
from  #tmp_CTF** 

this now results in:

Msg 102, Level 15, State 1, Line 16
Incorrect syntax near '*'.

which is probably just from the OP not putting the entire command in the question, or use [ ] braces to signify the table name:

from [#tmp_CTF**]

if that is the table name.

You need to do two things:

1. Rename and re-order the factor levels before the plot
2. Rename the title of each legend to the same title

The code:

dtt$model <- factor(dtt$model, levels=c("mb", "ma", "mc"), labels=c("MBB", "MAA", "MCC"))

library(ggplot2)
ggplot(dtt, aes(x=year, y=V, group = model, colour = model, ymin = lower, ymax = upper)) +
  geom_ribbon(alpha = 0.35, linetype=0)+ 
  geom_line(aes(linetype=model), size = 1) +       
  geom_point(aes(shape=model), size=4)  +      
  theme(legend.position=c(.6,0.8)) +
  theme(legend.background = element_rect(colour = 'black', fill = 'grey90', size = 1, linetype='solid')) +
  scale_linetype_discrete("Model 1") +
  scale_shape_discrete("Model 1") +
  scale_colour_discrete("Model 1")

However, I think this is really ugly as well as difficult to interpret. It's far better to use facets:

ggplot(dtt, aes(x=year, y=V, group = model, colour = model, ymin = lower, ymax = upper)) +
  geom_ribbon(alpha=0.2, colour=NA)+ 
  geom_line() +       
  geom_point()  +      
  facet_wrap(~model)

Another answer I would have for this would be to take a pragmatic approach and keep your REST API contract simple. In my case I had refactored my REST API to make things more testable without resorting to JavaScript or XHR, just simple HTML forms and links.

So to be more specific on your question above, I'd just use return code 200 and have the returned message contain a JSON message that your application can understand. Depending on your needs it may require the ID of the object that is newly created so the web application can get the data in another call.

One note, in my refactored API contract, POST responses should not contain any cacheable data as POSTs are not really cachable, so limit it to IDs that can be requested and cached using a GET request.

EXEC sp_helptext 'your procedure name';

This avoids the problem with INFORMATION_SCHEMA approach wherein the stored procedure gets cut off if it is too long.

Update: David writes that this isn't identical to his sproc...perhaps because it returns the lines as 'records' to preserve formatting? If you want to see the results in a more 'natural' format, you can use Ctrl-T first (output as text) and it should print it out exactly as you've entered it. If you are doing this in code, it is trivial to do a foreach to put together your results in exactly the same way.

Update 2: This will provide the source with a "CREATE PROCEDURE" rather than an "ALTER PROCEDURE" but I know of no way to make it use "ALTER" instead. Kind of a trivial thing, though, isn't it?

Update 3: See the comments for some more insight on how to maintain your SQL DDL (database structure) in a source control system. That is really the key to this question.

I worked a little with RecyclerView and still prefer ListView.

1. Sure, both of them use ViewHolders, so this is not an advantage.

2. A RecyclerView is more difficult in coding.

3. A RecyclerView doesn't contain a header and footer, so it's a minus.

4. A ListView doesn't require to make a ViewHolder. In cases where you want to have a list with sections or subheaders it would be a good idea to make independent items (without a ViewHolder), it's easier and doesn't require separate classes.

I ran the following command and it upgraded from 1.2.3 to 1.4.0

pip install Django --upgrade

Shortcut for upgrade:

pip install Django -U

Note: if the package you are upgrading has any requirements this command will additionally upgrade all the requirements to the latest versions available. In recent versions of pip, you can prevent this behavior by specifying --upgrade-strategy only-if-needed. With that flag, dependencies will not be upgraded unless the installed versions of the dependent packages no longer satisfy the requirements of the upgraded package.

Instead of below code:

$(this).attr("src").replace(urlRelative, urlAbsolute);

Use this:

$(this).attr("src",urlAbsolute);

How are you setting blob to DB? You should do:

 //imagine u have a a prepared statement like:
 PreparedStatement ps = conn.prepareStatement("INSERT INTO table VALUES (?)");
 String blobString= "This is the string u want to convert to Blob";
oracle.sql.BLOB myBlob = oracle.sql.BLOB.createTemporary(conn, false,oracle.sql.BLOB.DURATION_SESSION);
 byte[] buff = blobString.getBytes();
 myBlob.putBytes(1,buff);
 ps.setBlob(1, myBlob);
 ps.executeUpdate();

Different tools may interpret the meaning of @Nullable differently. For example, the Checker Framework and FindBugs handle @Nullable differently.

Provided you cannot use TreeMap, in Java 8 we can make use of toMap() method in Collectorswhich takes following parameters:

• keymapper: mapping function to produce keys
• valuemapper: mapping function to produce values
• mergeFunction: a merge function, used to resolve collisions between values associated with the same key
• mapSupplier: a function which returns a new, empty Map into which the results will be inserted.

Java 8 Example

Map<String,String> sample = new HashMap<>();  // push some values to map  
Map<String, String> newMapSortedByKey = sample.entrySet().stream()
                    .sorted(Map.Entry.<String,String>comparingByKey().reversed())
                    .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1, e2) -> e1, LinkedHashMap::new));
Map<String, String> newMapSortedByValue = sample.entrySet().stream()
                        .sorted(Map.Entry.<String,String>comparingByValue().reversed())
                        .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1,e2) -> e1, LinkedHashMap::new));

We can modify the example to use custom comparator and to sort based on keys as:

Map<String, String> newMapSortedByKey = sample.entrySet().stream()
                .sorted((e1,e2) -> e1.getKey().compareTo(e2.getKey()))
                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (e1,e2) -> e1, LinkedHashMap::new));

you can write a stored procedure like this:

CREATE PROCEDURE sanitize_TABLE()

BEGIN

#replace space with underscore

UPDATE Table SET FieldName = REPLACE(FieldName," ","_") WHERE FieldName is not NULL;

#delete dot

UPDATE Table SET FieldName = REPLACE(FieldName,".","") WHERE FieldName is not NULL;

#delete (

UPDATE Table SET FieldName = REPLACE(FieldName,"(","") WHERE FieldName is not NULL;

#delete )

UPDATE Table SET FieldName = REPLACE(FieldName,")","") WHERE FieldName is not NULL;

#raplace or delete any char you want

#..........................

END

In this way you have modularized control over table.

You can also generalize stored procedure making it, parametric with table to sanitoze input parameter

Here is a slightly more performant way to turn the digest into a hex string:

private static final char[] hexArray = "0123456789abcdef".toCharArray();

public static String getSHA256(String data) {
    StringBuilder sb = new StringBuilder();
    try {
        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(data.getBytes());
        byte[] byteData = md.digest();
        sb.append(bytesToHex(byteData);
    } catch(Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}

private static String bytesToHex(byte[] bytes) {
    char[] hexChars = new char[bytes.length * 2];
    for ( int j = 0; j < bytes.length; j++ ) {
        int v = bytes[j] & 0xFF;
        hexChars[j * 2] = hexArray[v >>> 4];
        hexChars[j * 2 + 1] = hexArray[v & 0x0F];
    }
    return String.valueOf(hexChars);
}

Does anyone know of a faster way in Java?

you can use

android.R.drawable.xxx

(use autocomplete to see whats in there)

Or download the stuff from http://developer.android.com/design/downloads/index.html

If you want to rotate a vector you should construct what is known as a rotation matrix.

Rotation in 2D

Say you want to rotate a vector or a point by ?, then trigonometry states that the new coordinates are

    x' = x cos ? - y sin ?
    y' = x sin ? + y cos ?

To demo this, let's take the cardinal axes X and Y; when we rotate the X-axis 90° counter-clockwise, we should end up with the X-axis transformed into Y-axis. Consider

    Unit vector along X axis = <1, 0>
    x' = 1 cos 90 - 0 sin 90 = 0
    y' = 1 sin 90 + 0 cos 90 = 1
    New coordinates of the vector, <x', y'> = <0, 1>  ?  Y-axis

When you understand this, creating a matrix to do this becomes simple. A matrix is just a mathematical tool to perform this in a comfortable, generalized manner so that various transformations like rotation, scale and translation (moving) can be combined and performed in a single step, using one common method. From linear algebra, to rotate a point or vector in 2D, the matrix to be built is

    |cos ?   -sin ?| |x| = |x cos ? - y sin ?| = |x'|
    |sin ?    cos ?| |y|   |x sin ? + y cos ?|   |y'|

Rotation in 3D

That works in 2D, while in 3D we need to take in to account the third axis. Rotating a vector around the origin (a point) in 2D simply means rotating it around the Z-axis (a line) in 3D; since we're rotating around Z-axis, its coordinate should be kept constant i.e. 0° (rotation happens on the XY plane in 3D). In 3D rotating around the Z-axis would be

    |cos ?   -sin ?   0| |x|   |x cos ? - y sin ?|   |x'|
    |sin ?    cos ?   0| |y| = |x sin ? + y cos ?| = |y'|
    |  0       0      1| |z|   |        z        |   |z'|

around the Y-axis would be

    | cos ?    0   sin ?| |x|   | x cos ? + z sin ?|   |x'|
    |   0      1       0| |y| = |         y        | = |y'|
    |-sin ?    0   cos ?| |z|   |-x sin ? + z cos ?|   |z'|

around the X-axis would be

    |1     0           0| |x|   |        x        |   |x'|
    |0   cos ?    -sin ?| |y| = |y cos ? - z sin ?| = |y'|
    |0   sin ?     cos ?| |z|   |y sin ? + z cos ?|   |z'|

Note 1: axis around which rotation is done has no sine or cosine elements in the matrix.

Note 2: This method of performing rotations follows the Euler angle rotation system, which is simple to teach and easy to grasp. This works perfectly fine for 2D and for simple 3D cases; but when rotation needs to be performed around all three axes at the same time then Euler angles may not be sufficient due to an inherent deficiency in this system which manifests itself as Gimbal lock. People resort to Quaternions in such situations, which is more advanced than this but doesn't suffer from Gimbal locks when used correctly.

I hope this clarifies basic rotation.

Rotation not Revolution

The aforementioned matrices rotate an object at a distance r = v(x² + y²) from the origin along a circle of radius r; lookup polar coordinates to know why. This rotation will be with respect to the world space origin a.k.a revolution. Usually we need to rotate an object around its own frame/pivot and not around the world's i.e. local origin. This can also be seen as a special case where r = 0. Since not all objects are at the world origin, simply rotating using these matrices will not give the desired result of rotating around the object's own frame. You'd first translate (move) the object to world origin (so that the object's origin would align with the world's, thereby making r = 0), perform the rotation with one (or more) of these matrices and then translate it back again to its previous location. The order in which the transforms are applied matters. Combining multiple transforms together is called concatenation or composition.

Composition

I urge you to read about linear and affine transformations and their composition to perform multiple transformations in one shot, before playing with transformations in code. Without understanding the basic maths behind it, debugging transformations would be a nightmare. I found this lecture video to be a very good resource. Another resource is this tutorial on transformations that aims to be intuitive and illustrates the ideas with animation (caveat: authored by me!).

Rotation around Arbitrary Vector

A product of the aforementioned matrices should be enough if you only need rotations around cardinal axes (X, Y or Z) like in the question posted. However, in many situations you might want to rotate around an arbitrary axis/vector. The Rodrigues' formula (a.k.a. axis-angle formula) is a commonly prescribed solution to this problem. However, resort to it only if you’re stuck with just vectors and matrices. If you're using Quaternions, just build a quaternion with the required vector and angle. Quaternions are a superior alternative for storing and manipulating 3D rotations; it's compact and fast e.g. concatenating two rotations in axis-angle representation is fairly expensive, moderate with matrices but cheap in quaternions. Usually all rotation manipulations are done with quaternions and as the last step converted to matrices when uploading to the rendering pipeline. See Understanding Quaternions for a decent primer on quaternions.

Use onChange={this.handleChange.bind(this, "name") method and value={this.state.fields["name"]} on input text field and below that create span element to show error, see the below example.

export default class Form extends Component {

  constructor(){
    super()
    this.state ={
       fields: {
         name:'',
         email: '',
         message: ''
       },
       errors: {},
       disabled : false
    }
  }

  handleValidation(){
       let fields = this.state.fields;
       let errors = {};
       let formIsValid = true;

       if(!fields["name"]){
          formIsValid = false;
          errors["name"] = "Name field cannot be empty";
       }

       if(typeof fields["name"] !== "undefined" && !fields["name"] === false){
          if(!fields["name"].match(/^[a-zA-Z]+$/)){
             formIsValid = false;
             errors["name"] = "Only letters";
          }
       }

       if(!fields["email"]){
          formIsValid = false;
          errors["email"] = "Email field cannot be empty";
       }

       if(typeof fields["email"] !== "undefined" && !fields["email"] === false){
          let lastAtPos = fields["email"].lastIndexOf('@');
          let lastDotPos = fields["email"].lastIndexOf('.');

          if (!(lastAtPos < lastDotPos && lastAtPos > 0 && fields["email"].indexOf('@@') === -1 && lastDotPos > 2 && (fields["email"].length - lastDotPos) > 2)) {
             formIsValid = false;
             errors["email"] = "Email is not valid";
           }
      }

      if(!fields["message"]){
         formIsValid = false;
         errors["message"] = " Message field cannot be empty";
      }

      this.setState({errors: errors});
      return formIsValid;
  }

  handleChange(field, e){
      let fields = this.state.fields;
      fields[field] = e.target.value;
      this.setState({fields});
  }

  handleSubmit(e){
      e.preventDefault();
      if(this.handleValidation()){
          console.log('validation successful')
        }else{
          console.log('validation failed')
        }
  }

  render(){
    return (
      <form onSubmit={this.handleSubmit.bind(this)} method="POST">
          <div className="row">
            <div className="col-25">
                <label htmlFor="name">Name</label>
            </div>
            <div className="col-75">
                <input type="text" placeholder="Enter Name"  refs="name" onChange={this.handleChange.bind(this, "name")} value={this.state.fields["name"]}/>
                <span style={{color: "red"}}>{this.state.errors["name"]}</span>
            </div>
          </div>
          <div className="row">
            <div className="col-25">
              <label htmlFor="exampleInputEmail1">Email address</label>
            </div>
            <div className="col-75">
                <input type="email" placeholder="Enter Email" refs="email" aria-describedby="emailHelp" onChange={this.handleChange.bind(this, "email")} value={this.state.fields["email"]}/>
                <span style={{color: "red"}}>{this.state.errors["email"]}</span>
            </div>
          </div>
          <div className="row">
            <div className="col-25">
                <label htmlFor="message">Message</label>
            </div>
            <div className="col-75">
                <textarea type="text" placeholder="Enter Message" rows="5" refs="message" onChange={this.handleChange.bind(this, "message")} value={this.state.fields["message"]}></textarea>
                <span style={{color: "red"}}>{this.state.errors["message"]}</span>
            </div>
          </div>
          <div className="row">
            <button type="submit" disabled={this.state.disabled}>{this.state.disabled ? 'Sending...' : 'Send'}</button>
          </div>
      </form>
    )
  }
}

I usually use set_time_limit(30) within the main loop (so each loop iteration is limited to 30 seconds rather than the whole script).

I do this in multiple database update scripts, which routinely take several minutes to complete but less than a second for each iteration - keeping the 30 second limit means the script won't get stuck in an infinite loop if I am stupid enough to create one.

I must admit that my choice of 30 seconds for the limit is somewhat arbitrary - my scripts could actually get away with 2 seconds instead, but I feel more comfortable with 30 seconds given the actual application - of course you could use whatever value you feel is suitable.

Hope this helps!

You could just use position relative and set a height on the parent

.fake-legend {_x000D_
  height: 15px;_x000D_
  width:100%;_x000D_
  border-bottom: solid 2px #000;_x000D_
  text-align: center;_x000D_
  margin: 2em 0;_x000D_
}_x000D_
.fake-legend span {_x000D_
  background: #fff;_x000D_
  position: relative;_x000D_
  top: 0;_x000D_
  padding: 0 20px;_x000D_
  line-height:30px;_x000D_
}

<p class="fake-legend"><span>Or</span>_x000D_
</p>

Unless you have more style sheets than that, you've messed up your break points:

#1 (max-width: 700px)
#2 (min-width: 701px) and (max-width: 900px)
#3 (max-width: 901px)

The 3rd media query is probably meant to be min-width: 901px. Right now, it overlaps #1 and #2, and only controls the page layout by itself when the screen is exactly 901px wide.

Edit for updated question:

(max-width: 640px)
(max-width: 800px)
(max-width: 1024px)
(max-width: 1280px)

Media queries aren't like catch or if/else statements. If any of the conditions match, then it will apply all of the styles from each media query it matched. If you only specify a min-width for all of your media queries, it's possible that some or all of the media queries are matched. In your case, a device that's 640px wide matches all 4 of your media queries, so all for style sheets are loaded. What you are most likely looking for is this:

(max-width: 640px)
(min-width: 641px) and (max-width: 800px)
(min-width: 801px) and (max-width: 1024px)
(min-width: 1025px)

Now there's no overlap. The styles will only apply if the device's width falls between the widths specified.

You can use the spool command (SQL*Plus documentation, but one of many such commands SQL Developer also supports) to write results straight to disk. Each spool can change the file that's being written to, so you can have several queries writing to different files just by putting spool commands between them:

spool "\path\to\spool1.txt"

select /*csv*/ * from employees;

spool "\path\to\spool2.txt"

select /*csv*/ * from locations;

spool off;

You'd need to run this as a script (F5, or the second button on the command bar above the SQL Worksheet). You might also want to explore some of the formatting options and the set command, though some of those do not translate to SQL Developer.

Since you mentioned CSV in the title I've included a SQL Developer-specific hint that does that formatting for you.

A downside though is that SQL Developer includes the query in the spool file, which you can avoid by having the commands and queries in a script file that you then run as a script.

I have checked the question. Here is the steps that I follow. The source code is hosted on GitHub: https://github.com/jiahaoliuliu/sherlockActionBarLab

Override the actual style for the pre-v11 devices.

Copy and paste the follow code in the file styles.xml of the default values folder.

<resources>
    <style name="MyCustomTheme" parent="Theme.Sherlock.Light">
    <item name="homeAsUpIndicator">@drawable/ic_home_up</item>
    </style>
</resources>

Note that the parent could be changed to any Sherlock theme.

Override the actual style for the v11+ devices.

On the same folder where the folder values is, create a new folder called values-v11. Android will automatically look for the content of this folder for devices with API or above.

Create a new file called styles.xml and paste the follow code into the file:

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="MyCustomTheme" parent="Theme.Sherlock.Light">
    <item name="android:homeAsUpIndicator">@drawable/ic_home_up</item>
    </style>
</resources>

Note tha the name of the style must be the same as the file in the default values folder and instead of the item homeAsUpIndicator, it is called android:homeAsUpIndicator.

The item issue is because for devices with API 11 or above, Sherlock Action Bar use the default Action Bar which comes with Android, which the key name is android:homeAsUpIndicator. But for the devices with API 10 or lower, Sherlock Action Bar uses its own ActionBar, which the home as up indicator is called simple "homeAsUpIndicator".

Use the new theme in the manifest

Replace the theme for the application/activity in the AndroidManifest file:

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/MyCustomTheme" >

myDate.ToString("yyyy-MM-dd HH:mm:ss")

the capital HH is for 24 hours format as you specified

Follow this procedure to convert spaces to tabs or vice-versa:

You need to treat a table valued udf like a table, eg JOIN it

select Emp_Id 
from Employee E JOIN dbo.Splitfn(@Id,',') CSV ON E.Emp_Id = CSV.items 

To modify an image proportionally, simply only alter one of the width/height css properties, leave the other set to auto.

image.style.width = '50%'
image.style.height = 'auto'

This will ensure that its aspect ratio remains the same.

Bear in mind that browsers tend to suck at resizing images nicely - you'll probably find that your resized image looks horrible.

Ideas:

• Try a <a href="data:...." target="_blank"> (Untested)

• Use downloadify instead of data URLs (would work for IE as well)

you can try this ts_create TIMESTAMP DEFAULT CURRENT_TIMESTAMP, ts_update TIMESTAMP DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP

For MySql you can do something like the following:

select OrderNO, PartCode, Quantity from table a
join (select ID, MAX(DateEntered) from table group by OrderNO) b on a.ID = b.ID

-Open Keychain - Check all certificates by selecting it. - Check status if it is valid or not. -If certificate is not valid then right click on it and delete that certificate

The first part is simple:

@property
def x(self): ...

is the same as

def x(self): ...
x = property(x)

• which, in turn, is the simplified syntax for creating a property with just a getter.

The next step would be to extend this property with a setter and a deleter. And this happens with the appropriate methods:

@x.setter
def x(self, value): ...

returns a new property which inherits everything from the old x plus the given setter.

x.deleter works the same way.

I'm not sure this will help you to much by I once needed a batch file to open a game, the .exe was in a folder with blanks (duh!) and I tried : START "C:\Fold 1\fold 2\game.exe" and START C:\Fold 1\fold 2\game.exe - None worked, then I tried

   START C:\"Fold 1"\"fold 2"\game.exe and it worked 

Hope it helps :)

The oracle limit is 1000 parameters. The issue has been resolved by hibernate in version 4.1.7 although by splitting the passed parameter list in sets of 500 see JIRA HHH-1123

This method always works for me:

$uniquepattern="gd$#%@&~#"//Any set of characters which you dont expect to be present in user input $_POST['text'] better use atleast 32 charecters.
$textarray=explode($uniquepattern,str_replace("\r","",str_replace("\n",$uniquepattern,$_POST['text'])));

Simply consider setting its value in the constructor of your entity class

public class Foo
{
       public DateTime DateCreated { get; set; }
       public Foo()
       {
           DateCreated = DateTime.Now;
       }

}

This blog post describes two methods of centering a div both horizontally and vertically. One uses only CSS and will work with divs that have a fixed size; the other uses jQuery and will work divs for which you do not know the size in advance.

I've duplicated the CSS and jQuery examples from the blog post's demo here:

CSS

Assuming you have a div with a class of .classname, the css below should work.

The left:50%; top:50%; sets the top left corner of the div to the center of the screen; the margin:-75px 0 0 -135px; moves it to the left and up by half of the width and height of the fixed-size div respectively.

.className{
    width:270px;
    height:150px;
    position:absolute;
    left:50%;
    top:50%;
    margin:-75px 0 0 -135px;
}

jQuery

$(document).ready(function(){
    $(window).resize(function(){
        $('.className').css({
            position:'absolute',
            left: ($(window).width() - $('.className').outerWidth())/2,
            top: ($(window).height() - $('.className').outerHeight())/2
        });
    });
    // To initially run the function:
    $(window).resize();
});

Here's a demo of the techniques in practice.

Python 3

Same directory.

import file:log.py

import class: SampleApp().

import log
if __name__ == "__main__":
    app = log.SampleApp()
    app.mainloop()

or

directory is basic.

import in file: log.py.

import class: SampleApp().

from basic import log
if __name__ == "__main__":
    app = log.SampleApp()
    app.mainloop()

for element in somelist:
    do_action(element)
somelist[:] = (x for x in somelist if not check(x))

If you really need to do it in one pass without copying the list

i=0
while i < len(somelist):
    element = somelist[i] 
    do_action(element)
    if check(element):
        del somelist[i]
    else:
        i+=1

I went threw the same problem. None of the answers above worked for me, but i ended finding the solution on my own. The ipa file wasn't created because there was library files (libXXX.a) in Target-> Build Phases -> Copy Bundle with resources

Hope it will help someone :)

Javascript files are often cached by the browser for a lot longer than you might expect.

This can often result in unexpected behaviour when you release a new version of your JS file.

Therefore, it is common practice to add a QueryString parameter to the URL for the javascript file. That way, the browser caches the Javascript file with v=1. When you release a new version of your javascript file you change the url's to v=2 and the browser will be forced to download a new copy.

defaultMember already is an alias - it doesn't need to be the name of the exported function/thing. Just do

import alias from 'my-module';

Alternatively you can do

import {default as alias} from 'my-module';

but that's rather esoteric.

Note: Recent npm versions do this automatically when package-locks are enabled, so this is not necessary except for removing development packages with the --production flag.

Run npm prune to remove modules not listed in package.json.

From npm help prune:

This command removes "extraneous" packages. If a package name is provided, then only packages matching one of the supplied names are removed.

Extraneous packages are packages that are not listed on the parent package's dependencies list.

If the --production flag is specified, this command will remove the packages specified in your devDependencies.

How do you send the message?

The classes in the System.Net.Mail namespace (which is probably what you should use) has full support for authentication, either specified in Web.config, or using the SmtpClient.Credentials property.

You'll need to use UNION to combine the results of two queries. In your case:

SELECT ChargeNum, CategoryID, SUM(Hours)
FROM KnownHours
GROUP BY ChargeNum, CategoryID
UNION ALL
SELECT ChargeNum, 'Unknown' AS CategoryID, SUM(Hours)
FROM UnknownHours
GROUP BY ChargeNum

Note - If you use UNION ALL as in above, it's no slower than running the two queries separately as it does no duplicate-checking.

This was pretty well answered over here: How to make a YouTube embedded video a full page width one?

If you add '?rel=0&autoplay=1' to the end of the url in the embed code (like this)

<iframe id="video" src="//www.youtube.com/embed/5iiPC-VGFLU?rel=0&autoplay=1" frameborder="0" allowfullscreen></iframe>

of the video it should play on load. Here's a demo over at jsfiddle.

To call the camera you can use:

Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
startActivity(intent);

The image will be automatically saved in a default directory.

And you need to set the permission for the camera in your AndroidManifest.xml:

<uses-permission android:name="android.permission.CAMERA"> </uses-permission>

Try starting with the Percona wizard and comparing their recommendations against your current settings one by one. Don't worry there aren't as many applicable settings as you might think.

https://tools.percona.com/wizard

Update circa 2020: Sorry, this tool reached it's end of life: https://www.percona.com/blog/2019/04/22/end-of-life-query-analyzer-and-mysql-configuration-generator/

Everyone points to key_buffer_size first which you have addressed. With 96GB memory I'd be wary of any tiny default value (likely to be only 96M!).

If you're interested in creating a new dict without using intermediary storage: (this is faster, and in my opinion, cleaner than using dict.items())

dic2 = dict(dic0, **dic1)

Or if you're happy to use one of the existing dicts:

dic0.update(dic1)

Most of the answers are wrong.

The Question is to get url without some query param .

Here is the function that works. It does more things actually. You can remove the param that you don't want and you can add or modify an existing one.

/**
 * Function merges the query string values with the given array and returns the new URL
 * @param string $route
 * @param array $mergeQueryVars
 * @param array $removeQueryVars
 * @return string
 */
public static function getUpdatedUrl($route = '', $mergeQueryVars = [], $removeQueryVars = [])
{
    $currentParams = $request = Yii::$app->request->getQueryParams();

    foreach($mergeQueryVars as $key=> $value)
    {
        $currentParams[$key] = $value;
    }

    foreach($removeQueryVars as $queryVar)
    {
        unset($currentParams[$queryVar]);
    }

    $currentParams[0] = $route == '' ? Yii::$app->controller->getRoute() : $route;

    return Yii::$app->urlManager->createUrl($currentParams);

}

usage:

ClassName:: getUpdatedUrl('',[],['remove_this1','remove_this2'])

This will remove query params 'remove_this1' and 'remove_this2' from URL and return you the new URL

Since you're going to be dealing with data of a variable length (names, email addresses), then you'd be wanting to use VARCHAR. The amount of space taken up by a VARCHAR field is [field length] + 1 bytes, up to max length 255, so I wouldn't worry too much about trying to find a perfect size. Take a look at what you'd imagine might be the longest length might be, then double it and set that as your VARCHAR limit. That said...:

I generally set email fields to be VARCHAR(100) - i haven't come up with a problem from that yet. Names I set to VARCHAR(50).

As the others have said, phone numbers and zip/postal codes are not actually numeric values, they're strings containing the digits 0-9 (and sometimes more!), and therefore you should treat them as a string. VARCHAR(20) should be well sufficient.

Note that if you were to store phone numbers as integers, many systems will assume that a number starting with 0 is an octal (base 8) number! Therefore, the perfectly valid phone number "0731602412" would get put into your database as the decimal number "124192010"!!

those various ways of switch ...

# by index
switch(1, "one", "two")
## [1] "one"


# by index with complex expressions
switch(2, {"one"}, {"two"})
## [1] "two"


# by index with complex named expression
switch(1, foo={"one"}, bar={"two"})
## [1] "one"


# by name with complex named expression
switch("bar", foo={"one"}, bar={"two"})
## [1] "two"

This works:

myWindow = window.open('http://www.yahoo.com','myWindow', "width=200, height=200");

Intent takePhoto = new Intent("android.media.action.IMAGE_CAPTURE");
startActivityForResult(takePhoto, CAMERA_PIC_REQUEST)

and set CAMERA_PIC_REQUEST= 1 or 0

Non of the solutions worked for me. I had to kill the following process and re ran react-native run-android and it worked.

node ./local-cli/cli.js start

Using regex:

if re.match(r'^\s*$', line):
    # line is empty (has only the following: \t\n\r and whitespace)

Using regex + filter():

filtered = filter(lambda x: not re.match(r'^\s*$', x), original)

As seen on codepad.

onStart()

1. Called after onCreate(Bundle) or after onRestart() followed by onResume().
2. you can register a BroadcastReceiver in onStart() to monitor changes that impact your UI, You have to unregister it in onStop()
3. Derived classes must call through to the super class's implementation of this method. If they do not, an exception will be thrown.

onResume()

1. Called after onRestoreInstanceState(Bundle), onRestart(), or onPause()
2. Begin animations, open exclusive-access devices (such as the camera)

onStart() normally dispatch work to a background thread, whose return values are:

• START_STICKY to automatically restart if killed, to keep it active.

• START_REDELIVER_INTENT for auto restart and retry if the service was killed before stopSelf().

onResume() is called by the OS after the device goes to sleep or after an Alert or other partial-screen child activity leaves a portion of the previous window visible so a method is need to re-initialize fields (within a try structure with a catch of exceptions). Such a situation does not cause onStop() to be invoked when the child closes.

onResume() is called without onStart() when the activity resumes from the background

For More details you can visits Android_activity_lifecycle_gotcha And Activity Lifecycle

tl;dr

what is the way to retrieve a Date object so that its always in GMT?

Instant.now() 

Details

You are using troublesome confusing old date-time classes that are now supplanted by the java.time classes.

Instant = UTC

The Instant class represents a moment on the timeline in UTC with a resolution of nanoseconds (up to nine (9) digits of a decimal fraction).

Instant instant = Instant.now() ; // Current moment in UTC.

ISO 8601

To exchange this data as text, use the standard ISO 8601 formats exclusively. These formats are sensibly designed to be unambiguous, easy to process by machine, and easy to read across many cultures by people.

The java.time classes use the standard formats by default when parsing and generating strings.

String output = instant.toString() ;  

2017-01-23T12:34:56.123456789Z

Time zone

If you want to see that same moment as presented in the wall-clock time of a particular region, apply a ZoneId to get a ZonedDateTime.

Specify a proper time zone name in the format of continent/region, such as America/Montreal, Africa/Casablanca, or Pacific/Auckland. Never use the 3-4 letter abbreviation such as EST or IST as they are not true time zones, not standardized, and not even unique(!).

ZoneId z = ZoneId.of( "Asia/Singapore" ) ;
ZonedDateTime zdt = instant.atZone( z ) ;  // Same simultaneous moment, same point on the timeline.

See this code live at IdeOne.com.

Notice the eight hour difference, as the time zone of Asia/Singapore currently has an offset-from-UTC of +08:00. Same moment, different wall-clock time.

instant.toString(): 2017-01-23T12:34:56.123456789Z

zdt.toString(): 2017-01-23T20:34:56.123456789+08:00[Asia/Singapore]

Convert

Avoid the legacy java.util.Date class. But if you must, you can convert. Look to new methods added to the old classes.

java.util.Date date = Date.from( instant ) ;

…going the other way…

Instant instant = myJavaUtilDate.toInstant() ;

Date-only

For date-only, use LocalDate.

LocalDate ld = zdt.toLocalDate() ;

About java.time

The java.time framework is built into Java 8 and later. These classes supplant the troublesome old legacy date-time classes such as java.util.Date, Calendar, & SimpleDateFormat.

The Joda-Time project, now in maintenance mode, advises migration to the java.time classes.

To learn more, see the Oracle Tutorial. And search Stack Overflow for many examples and explanations. Specification is JSR 310.

Where to obtain the java.time classes?

• Java SE 8, Java SE 9, and later
  • Built-in.
  • Part of the standard Java API with a bundled implementation.
  • Java 9 adds some minor features and fixes.
• Java SE 6 and Java SE 7
  • Much of the java.time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
• Android
  • The ThreeTenABP project adapts ThreeTen-Backport (mentioned above) for Android specifically.
  • See How to use ThreeTenABP….

The ThreeTen-Extra project extends java.time with additional classes. This project is a proving ground for possible future additions to java.time. You may find some useful classes here such as Interval, YearWeek, YearQuarter, and more.

My 5 cents:

1. Use async/await if and only if you do an IO operation, like DB or external service webservice.
2. Always prefer async calls to DB.
3. Each time you query the DB.

P.S. There are exceptional cases for point 1, but you need to have a good understanding of async internals for this.

As an additional advantage, you can do few IO calls in parallel if needed:

Task task1 = FooAsync(); // launch it, but don't wait for result
Task task2 = BarAsync(); // launch bar; now both foo and bar are running
await Task.WhenAll(task1, task2); // this is better in regard to exception handling
// use task1.Result, task2.Result

In Laravel 5 custom pagination is based on presenters (classes) instead of views.

Assuming in your routed code you have

$users = Users::paginate(15);

In L4 you used to do something like this in your views:

$users->appends(['sort' => 'votes'])->links();

In L5 you do instead:

$users->appends(['sort' => 'votes'])->render();

The render() method accepts an Illuminate\Contracts\Pagination\Presenter instance. You can create a custom class that implements that contract and pass it to the render() method. Note that Presenter is an interface, not a class, therefore you must implement it, not extend it. That's why you are getting the error.

Alternatively you can extend the Laravel paginator (in order to use its pagination logic) and then pass the existing pagination instance ($users->...) to you extended class constructor. This is indeed what I did for creating my custom Zurb Foundation presenter based on the Bootstrap presenter provided by Laravel. It uses all the Laravel pagination logic and only overrides the rendering methods.

With my custom presenter my views look like this:

with(new \Stolz\Laravel\Pagination($users->appends(['sort' => 'votes'])))->render();

And my customized pagination presenter is:

<?php namespace Stolz\Laravel;

use Illuminate\Pagination\BootstrapThreePresenter;

class Pagination extends BootstrapThreePresenter
{
    /**
     * Convert the URL window into Zurb Foundation HTML.
     *
     * @return string
     */
    public function render()
    {
        if( ! $this->hasPages())
            return '';

        return sprintf(
            '<ul class="pagination" aria-label="Pagination">%s %s %s</ul></div>',
            $this->getPreviousButton(),
            $this->getLinks(),
            $this->getNextButton()
        );
    }

    /**
     * Get HTML wrapper for disabled text.
     *
     * @param  string  $text
     * @return string
     */
    protected function getDisabledTextWrapper($text)
    {
        return '<li class="unavailable" aria-disabled="true"><a href="javascript:void(0)">'.$text.'</a></li>';
    }

    /**
     * Get HTML wrapper for active text.
     *
     * @param  string  $text
     * @return string
     */
    protected function getActivePageWrapper($text)
    {
        return '<li class="current"><a href="javascript:void(0)">'.$text.'</a></li>';
    }

    /**
     * Get a pagination "dot" element.
     *
     * @return string
     */
    protected function getDots()
    {
        return $this->getDisabledTextWrapper('&hellip;');
    }
}

If you use different version of play services libraries, you will get this error.

For example, below entries in build.gradle file cause the error as versions are different.

implementation 'com.google.android.gms:play-services-maps:11.4.2'
implementation 'com.google.android.gms:play-services-location:11.6.0'

To fix the issue use same versions.

implementation 'com.google.android.gms:play-services-maps:11.6.0'
implementation 'com.google.android.gms:play-services-location:11.6.0'

You just add following lines of code in style.xml file

<style name="AppTheme.NoTitleBar" parent="Theme.AppCompat.Light.DarkActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="android:windowFullscreen">true</item>

change apptheme in AndroidManifest.xml file

android:theme="@style/AppTheme.NoTitleBar"

A change was introduced recently in how Facebook handles session redirects. See "Change in Session Redirect Behavior" in this week's Operation Developer Love blog post for the announcement.

#include<stdio.h>
#include<ctype.h>
#include<stdlib.h>
void main(int argc,char *argv[])
{
char *str ="ab234cid*(s349*(20kd", *ptr = str;
while (*ptr) { // While there are more characters to process...
    if ( isdigit(*ptr) ) {
        // Found a number
        int val = (int)strtol(ptr,&ptr, 10); // Read number
        printf("%d\n", val); // and print it.
    } else {
        // Otherwise, move on to the next character.
        ptr++;
    }
}

}

Also you might want to log in via browser and get the command with all headers including cookies:

Open the Network tab of Developer Tools, log in, navigate to the needed page, use "Copy as cURL".

You can do it via ssh.

ssh [email protected] "python ./hello.py"

You can also edit the script in ssh using a textual editor or X11 forwarding.

This is shorter and works

<connectionStrings>      
<add name="DBConnection"
             connectionString="data source=SERVER\INSTANCE;
       Initial Catalog=MyDB;Integrated Security=SSPI;"
             providerName="System.Data.SqlClient" />
</connectionStrings> 

Persist Security Info not needed

Simply declare your variable to final

The multiline flag tells regex to match the pattern to each line as opposed to the entire string for your purposes a wild card will suffice.

Bourne shell doesn't support arrays. However, there are two ways to handle the issue.

Use positional shell parameters $1, $2, etc.:

$ set one two three
$ echo $*
one two three
$ echo $#
3
$ echo $2
two

Use variable evaluations:

$ n=1 ; eval a$n="one" 
$ n=2 ; eval a$n="two" 
$ n=3 ; eval a$n="three"
$ n=2
$ eval echo \$a$n
two

I've tried a couple of command line XPath utilities and when I realized I am spending too much time googling and figuring out how they work, so I wrote the simplest possible XPath parser in Python which did what I needed.

The script below shows the string value if the XPath expression evaluates to a string, or shows the entire XML subnode if the result is a node:

#!/usr/bin/env python
import sys
from lxml import etree

tree = etree.parse(sys.argv[1])
xpath = sys.argv[2]

for e in tree.xpath(xpath):

    if isinstance(e, str):
        print(e)
    else:
        print((e.text and e.text.strip()) or etree.tostring(e))

It uses lxml — a fast XML parser written in C which is not included in the standard python library. Install it with pip install lxml. On Linux/OSX might need prefixing with sudo.

Usage:

python xmlcat.py file.xml "//mynode"

lxml can also accept an URL as input:

python xmlcat.py http://example.com/file.xml "//mynode" 

Extract the url attribute under an enclosure node i.e. <enclosure url="http:...""..>):

python xmlcat.py xmlcat.py file.xml "//enclosure/@url"

Xpath in Google Chrome

As an unrelated side note: If by chance you want to run an XPath expression against the markup of a web page then you can do it straight from the Chrome devtools: right-click the page in Chrome > select Inspect, and then in the DevTools console paste your XPath expression as $x("//spam/eggs").

Get all authors on this page:

$x("//*[@class='user-details']/a/text()")

Have you tried calling knockout's clean node method on your DOM element to dispose of the in memory bound objects?

var element = $('#elementId')[0]; 
ko.cleanNode(element);

Then applying the knockout bindings again on just that element with your new view models would update your view binding.

Sounds like an error you would get when your forms authentication ticket has expired. What is the timeout period for your ticket? Is it set to sliding or absolute expiration?

I believe the default for the timeout is 20 minutes with sliding expiration so if a user gets authenticated and at some point doesn't hit your site for 20 minutes their ticket would be expired. If it is set to absolute expiration it will expire X number of minutes after it was issued where X is your timeout setting.

You can set the timeout and expiration policy (e.g. sliding, absolute) in your web/machine.config under /configuration/system.web/authentication/forms

In my case, I had defined defaultConfig two times.

I don't know why but double check it in case of a mistake.

If your only requirement is to print the third field of every line, with each field delimited by a comma, you can use cut:

cut -d, -f3 file

• -d, sets the delimiter to a comma
• -f3 specifies that only the third field is to be printed

You'd better go with something like this. Just give an id to the div which you want to hide and make a function like this. call this function by adding onclick event on body.

function myFunction(event) { 

if(event.target.id!="target_id")
{ 
    document.getElementById("target_id").style.display="none";
  }
}

This worked for me

<a href="javascript:;" onclick="callmymethod(24); return false;">Call</a>

Caller-Saved (AKA volatile or call-clobbered) Registers

• The values in caller-saved registers are short term and are not preserved from call to call  
• It holds temporary (i.e. short term) data

Callee-Saved (AKA non-volatile or call-preserved) Registers

• The callee-saved registers hold values across calls and are long term
• It holds non-temporary (i.e. long term) data that is used through multiple functions/calls

In brief

• Xcode 3 introduced subproject, which is parent-child relationship, meaning that parent can reference its child target, but no vice versa
• Xcode 4 introduced workspace, which is sibling relationship, meaning that any project can reference projects in the same workspace

$("input:text").focus(function(){$(this).val("")});

Adding a space before the EOF delimiter allows to avoid cmd:

- shell: |
    cat <<' EOF'
    This is a test.
    EOF

You could try:

$(SolutionDir)..\..\

In powershell you should use ${pwd} vs $(pwd)

To add to Dave's answer:

div { position: relative; }
div div { position: absolute; top: 0; left: 0; }

Use this.

{
  /your/first/command
  /your/second/command
} &> /dev/null

Explanation

To eliminate output from commands, you have two options:

• Close the output descriptor file, which keeps it from accepting any more input. That looks like this:

  your_command "Is anybody listening?" >&-
  

  Usually, output goes either to file descriptor 1 (stdout) or 2 (stderr). If you close a file descriptor, you'll have to do so for every numbered descriptor, as &> (below) is a special BASH syntax incompatible with >&-:

  /your/first/command >&- 2>&-
  

  Be careful to note the order: >&- closes stdout, which is what you want to do; &>- redirects stdout and stderr to a file named - (hyphen), which is not what what you want to do. It'll look the same at first, but the latter creates a stray file in your working directory. It's easy to remember: >&2 redirects stdout to descriptor 2 (stderr), >&3 redirects stdout to descriptor 3, and >&- redirects stdout to a dead end (i.e. it closes stdout).

  Also beware that some commands may not handle a closed file descriptor particularly well ("write error: Bad file descriptor"), which is why the better solution may be to...

• Redirect output to /dev/null, which accepts all output and does nothing with it. It looks like this:

  your_command "Hello?" > /dev/null
  

  For output redirection to a file, you can direct both stdout and stderr to the same place very concisely, but only in bash:

  /your/first/command &> /dev/null
  

Finally, to do the same for a number of commands at once, surround the whole thing in curly braces. Bash treats this as a group of commands, aggregating the output file descriptors so you can redirect all at once. If you're familiar instead with subshells using ( command1; command2; ) syntax, you'll find the braces behave almost exactly the same way, except that unless you involve them in a pipe the braces will not create a subshell and thus will allow you to set variables inside.

{
  /your/first/command
  /your/second/command
} &> /dev/null

See the bash manual on redirections for more details, options, and syntax.

Personally, I'm reluctant to use these for anything but debugging messages. I have done it, but I try not to show that kind of information to customers or end users. My customers are not engineers and are sometimes not computer savvy. I might log this info to the console, but, as I said, reluctantly except for debug builds or for internal tools. I suppose it does depend on the customer base you have, though.

This is an old question but since this is the first result in google for this error, I thought I would update my progress in this issue.

I spent way too may hours on this issue. In the end I had to change my Office 365 account's password few times until my code succeeded in sending emails.

Didn't have to make any changes in code.

If you want to delete a single file, you must, as you found out, use the unlink() function.

That function will delete what you pass it as a parameter : so, it's up to you to pass it the path to the file that it must delete.

For example, you'll use something like this :

unlink('/path/to/dir/filename');

Simple Add this Code

        var status = "play"; // Declare global variable

        if (status == 'pause') {
            status='play';                
        } else {
            status = 'pause';     
        }
        $("#audio").trigger(status);    

Assumptions

Based on the question, I believe some assumptions / requirements for this function include:

• It will be used as a library function, and so meant to be dropped into any codebase;
• As such, it will need to work in many different environments, i.e. work with legacy JS code, CMSes of various levels of quality, etc.;
• To inter-operate with code written by other people and/or code that you do not control, the function should not make any assumptions on how cookie names or values are encoded. Calling the function with a string "foo:bar[0]" should return a cookie (literally) named "foo:bar[0]";
• New cookies may be written and/or existing cookies modified at any point during lifetime of the page.

Under these assumptions, it's clear that encodeURIComponent / decodeURIComponent should not be used; doing so assumes that the code that set the cookie also encoded it using these functions.

The regular expression approach gets problematic if the cookie name can contain special characters. jQuery.cookie works around this issue by encoding the cookie name (actually both name and value) when storing a cookie, and decoding the name when retrieving a cookie. A regular expression solution is below.

Unless you're only reading cookies you control completely, it would also be advisable to read cookies from document.cookie directly and not cache the results, since there is no way to know if the cache is invalid without reading document.cookie again.

(While accessing and parsing document.cookies will be slightly slower than using a cache, it would not be as slow as reading other parts of the DOM, since cookies do not play a role in the DOM / render trees.)

Loop-based function

Here goes the Code Golf answer, based on PPK's (loop-based) function:

function readCookie(name) {
    name += '=';
    for (var ca = document.cookie.split(/;\s*/), i = ca.length - 1; i >= 0; i--)
        if (!ca[i].indexOf(name))
            return ca[i].replace(name, '');
}

which when minified, comes to 128 characters (not counting the function name):

function readCookie(n){n+='=';for(var a=document.cookie.split(/;\s*/),i=a.length-1;i>=0;i--)if(!a[i].indexOf(n))return a[i].replace(n,'');}

Regular expression-based function

Update: If you really want a regular expression solution:

function readCookie(name) {
    return (name = new RegExp('(?:^|;\\s*)' + ('' + name).replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') + '=([^;]*)').exec(document.cookie)) && name[1];
}

This escapes any special characters in the cookie name before constructing the RegExp object. Minified, this comes to 134 characters (not counting the function name):

function readCookie(n){return(n=new RegExp('(?:^|;\\s*)'+(''+n).replace(/[-[\]{}()*+?.,\\^$|#\s]/g,'\\$&')+'=([^;]*)').exec(document.cookie))&&n[1];}

As Rudu and cwolves have pointed out in the comments, the regular-expression-escaping regex can be shortened by a few characters. I think it would be good to keep the escaping regex consistent (you may be using it elsewhere), but their suggestions are worth considering.

Notes

Both of these functions won't handle null or undefined, i.e. if there is a cookie named "null", readCookie(null) will return its value. If you need to handle this case, adapt the code accordingly.

Here is a great resource from Microsoft which includes a high level features overview for each .NET release since 1.0 up to the present day. It also include information about the associated Visual Studio release and Windows version compatibility.

.NET Framework Versions and Dependencies

you can convert to isoformat

my_date = '2020/08/08'
my_date = my_date.replace('/','-') # just to adapte to your question
date_timestamp = datetime.datetime.fromisoformat(my_date).timestamp()