Give the #under
a negative z-index
, e.g. -1
This happens because the z-index
property is ignored in position: static;
, which happens to be the default value; so in the CSS code you wrote, z-index
is 1
for both elements no matter how high you set it in #over
.
By giving #under
a negative value, it will be behind any z-index: 1;
element, i.e. #over
.
$(this).parent().css('z-index',3000);
We can use zPosition in ios
if we have a view named salonDetailView
eg : @IBOutlet weak var salonDetailView: UIView!
and have UIView for GMSMapView
eg : @IBOutlet weak var mapViewUI: GMSMapView!
To show the View salonDetailView upper of the mapViewUI
use zPosition as below
salonDetailView.layer.zPosition = 1
As discussed, svgs render in order and don't take z-index into account (for now). Maybe just send the specific element to the bottom of its parent so that it'll render last.
function bringToTop(targetElement){
// put the element at the bottom of its parent
let parent = targetElement.parentNode;
parent.appendChild(targetElement);
}
// then just pass through the element you wish to bring to the top
bringToTop(document.getElementById("one"));
Worked for me.
If you have a nested SVG, containing groups, you'll need to bring the item out of its parentNode.
function bringToTopofSVG(targetElement){
let parent = targetElement.ownerSVGElement;
parent.appendChild(targetElement);
}
A nice feature of SVG's is that each element contains it's location regardless of what group it's nested in :+1:
There are two issues are at play here:
The CSS 2.1 specification states that "The :before
and :after
pseudo-elements elements interact with other boxes, such as run-in boxes, as if they were real elements inserted just inside their associated element." Given the way z-indexes are implemented in most browsers, it's pretty difficult (read, I don't know of a way) to move content lower than the z-index of their parent element in the DOM that works in all browsers.
Number 1 above does not necessarily mean it's impossible, but the second impediment to it is actually worse: Ultimately it's a matter of browser support. Firefox didn't support positioning of generated content at all until FF3.6. Who knows about browsers like IE. So even if you can find a hack to make it work in one browser, it's very likely it will only work in that browser.
The only thing I can think of that's going to work across browsers is to use javascript to insert the element rather than CSS. I know that's not a great solution, but the :before
and :after
pseudo-selectors just really don't look like they're gonna cut it here.
just remove z-index: 1040
;
from this file bootstrap.css
class .modal-backdrop
I have found that often if z-index isn't working its because its parent/siblings don't have a specified z-index.
So if you have:
<div id="1">
<a id="2" style="z-index:2"></a>
<div id="3" style="z-index:1"></div>
<button id="4"></button>
</div>
item #3, or even #4, may be contesting #2 for the click/hover space, though if you set #1 to z-index 0, the siblings who's z-index put them in independant stacks now are in the same stack and will z-index properly.
This has a helpful and fairly humanized description: http://foohack.com/2007/10/top-5-css-mistakes/
Try using this code, it worked for me:
z-index: unset;
style:
.parent{
overflow:hidden;
width:100px;
}
.child{
width:200px;
}
body:
<div class="parent">
<div class="child"></div>
</div>
One form to do this is insert the panel that you want to expand inside a DIV setted as relative: let me show you:
<div style="position:relative">
<div style="position:absolute; z-index: 1000;">
your code
</div>
</div>
You use the first div to position the inner content in a specific area inside your page and the second absolute should be referred to the container (because is relative) The z-index in this case is referred also to container and if it higher that the container should be at top. You can put the style in a CSS class and change the size of the absolute div to expand it on hover or another action that you want to control.
I hope that this help
Add z-index:-1
and position:relative
to .content
#header {_x000D_
background: url(http://placehold.it/420x160) center top no-repeat;_x000D_
}_x000D_
#header-inner {_x000D_
background: url(http://placekitten.com/150/200) right top no-repeat;_x000D_
}_x000D_
.logo-class {_x000D_
height: 128px;_x000D_
}_x000D_
.content {_x000D_
margin-left: auto;_x000D_
margin-right: auto;_x000D_
table-layout: fixed;_x000D_
border-collapse: collapse;_x000D_
z-index: -1;_x000D_
position:relative;_x000D_
}_x000D_
.td-main {_x000D_
text-align: center;_x000D_
padding: 80px 10px 80px 10px;_x000D_
border: 1px solid #A02422;_x000D_
background: #ABABAB;_x000D_
}
_x000D_
<body>_x000D_
<div id="header">_x000D_
<div id="header-inner">_x000D_
<table class="content">_x000D_
<col width="400px" />_x000D_
<tr>_x000D_
<td>_x000D_
<table class="content">_x000D_
<col width="400px" />_x000D_
<tr>_x000D_
<td>_x000D_
<div class="logo-class"></div>_x000D_
</td>_x000D_
</tr>_x000D_
<tr>_x000D_
<td id="menu"></td>_x000D_
</tr>_x000D_
</table>_x000D_
<table class="content">_x000D_
<col width="120px" />_x000D_
<col width="160px" />_x000D_
<col width="120px" />_x000D_
<tr>_x000D_
<td class="td-main">text</td>_x000D_
<td class="td-main">text</td>_x000D_
<td class="td-main">text</td>_x000D_
</tr>_x000D_
</table>_x000D_
</td>_x000D_
</tr>_x000D_
</table>_x000D_
</div>_x000D_
<!-- header-inner -->_x000D_
</div>_x000D_
<!-- header -->_x000D_
</body>
_x000D_
In IE positioned elements generate a new stacking context, starting with a z-index value of 0. Therefore z-index doesn’t work correctly.
Try give the parent element a higher z-index value (can be even higher than the child’s z-index value itself) to fix the bug.
Just realized what's going on.
I had the navbar inside a header which was position: fixed
;
Changed the z-index
on the header and it's working now - guess I didn't look high enough up the containers to set the z-index
initially !#@!?
Thanks.
You want to use absolute positioning.
An absolute position element is positioned relative to the first parent element that has a position other than static. If no such element is found, the containing block is html
For instance :
.yourDiv{
position:absolute;
top: 123px;
}
To get it to work, the parent needs to be relative (position:relative
)
In your case this should do the trick:
.suggestionsBox{position:absolute; top:40px;}
#specific_locations_add{position:relative;}
Give a try to .bringToFront()
:
http://developer.android.com/reference/android/view/View.html#bringToFront%28%29
Ok, Im assuming you want to put the .left inside the container so I suggest you edit your html. The key is the position:absolute
and right:0
#right {
background-color: red;
height: 300px;
width: 300px;
z-index: 999999;
margin-top: 0px;
position: absolute;
right:0;
}
here is the full code: http://jsfiddle.net/T9FJL/
Never fails, once I post the question to SO, I get some enlightening "aha" moment and figure it out. The solution:
.container {_x000D_
border: 1px solid #DDDDDD;_x000D_
width: 200px;_x000D_
height: 200px;_x000D_
position: relative;_x000D_
}_x000D_
.tag {_x000D_
float: left;_x000D_
position: absolute;_x000D_
left: 0px;_x000D_
top: 0px;_x000D_
z-index: 1000;_x000D_
background-color: #92AD40;_x000D_
padding: 5px;_x000D_
color: #FFFFFF;_x000D_
font-weight: bold;_x000D_
}
_x000D_
<div class="container">_x000D_
<div class="tag">Featured</div>_x000D_
<img src="http://www.placehold.it/200x200">_x000D_
</div>
_x000D_
The key is the container has to be positioned relative and the tag positioned absolute.
If you are using the background image for the rounded corners then I would rather increase the padding style of the main div to give enough room for the rounded corners of the background image to be visible.
Try increasing the padding of the main div style:
#mainWrapperDivWithBGImage
{
background: url("myImageWithRoundedCorners.jpg") no-repeat scroll 0 0 transparent;
height: 248px;
margin: 0;
overflow: hidden;
padding: 10px 10px;
width: 996px;
}
P.S: I assume the rounded corners have a radius of 10px.
You can add an undecorated JDialog like this:
import java.awt.event.*;
import javax.swing.*;
public class TestSwing {
public static void main(String[] args) throws Exception {
JFrame frame = new JFrame("Parent");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(800, 600);
frame.setVisible(true);
final JDialog dialog = new JDialog(frame, "Child", true);
dialog.setSize(300, 200);
dialog.setLocationRelativeTo(frame);
JButton button = new JButton("Button");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dialog.dispose();
}
});
dialog.add(button);
dialog.setUndecorated(true);
dialog.setVisible(true);
}
}
In many cases an element must be positioned for z-index
to work.
Indeed, applying position: relative
to the elements in the question would likely solve the problem (but there's not enough code provided to know for sure).
Actually, position: fixed
, position: absolute
and position: sticky
will also enable z-index
, but those values also change the layout. With position: relative
the layout isn't disturbed.
Essentially, as long as the element isn't position: static
(the default setting) it is considered positioned and z-index
will work.
Many answers to "Why isn't z-index working?" questions assert that z-index
only works on positioned elements. As of CSS3, this is no longer true.
Elements that are flex items or grid items can use z-index
even when position
is static
.
From the specs:
Flex items paint exactly the same as inline blocks, except that order-modified document order is used in place of raw document order, and
z-index
values other thanauto
create a stacking context even ifposition
isstatic
.5.4. Z-axis Ordering: the
z-index
propertyThe painting order of grid items is exactly the same as inline blocks, except that order-modified document order is used in place of raw document order, and
z-index
values other thanauto
create a stacking context even ifposition
isstatic
.
Here's a demonstration of z-index
working on non-positioned flex items: https://jsfiddle.net/m0wddwxs/
SOURCE: https://git-scm.com/book/en/v2/Distributed-Git-Maintaining-a-Project#Integrating-Contributed-Work
The other way to move introduced work from one branch to another is to cherry-pick it. A cherry-pick in Git is like a rebase for a single commit. It takes the patch that was introduced in a commit and tries to reapply it on the branch you’re currently on. This is useful if you have a number of commits on a topic branch and you want to integrate only one of them, or if you only have one commit on a topic branch and you’d prefer to cherry-pick it rather than run rebase. For example, suppose you have a project that looks like this:
If you want to pull commit e43a6 into your master branch, you can run
$ git cherry-pick e43a6
Finished one cherry-pick.
[master]: created a0a41a9: "More friendly message when locking the index fails."
3 files changed, 17 insertions(+), 3 deletions(-)
This pulls the same change introduced in e43a6, but you get a new commit SHA-1 value, because the date applied is different. Now your history looks like this:
Now you can remove your topic branch and drop the commits you didn’t want to pull in.
It's up to the runtime which is responsible for the memory allocation, in the same way that you can delete an array created with malloc in standard C using free. I think each compiler implements it differently. One common way is to allocate an extra cell for the array size.
However, the runtime is not smart enough to detect whether or not it is an array or a pointer, you have to inform it, and if you are mistaken, you either don't delete correctly (E.g., ptr instead of array), or you end up taking an unrelated value for the size and cause significant damage.
to increment by one you can do something like
var newValue = currentValue ++;
If you are using routes parameters just clear $routeParams
$routeParams= null;
no , there is nothing similar IndexOf for Dictionary although you can make use of ContainsKey method to get whether a key belongs to dictionary or not
I would like to improve the code. When you canel the aSyncTask
the onCancelled()
(callback method of aSyncTask
) gets automatically called, and there you can hide your progressBarDialog
.
You can include this code as well:
public class information extends AsyncTask<String, String, String>
{
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected String doInBackground(String... arg0) {
return null;
}
@Override
protected void onPostExecute(String result) {
super.onPostExecute(result);
this.cancel(true);
}
@Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
}
@Override
protected void onCancelled() {
Toast.makeText(getApplicationContext(), "asynctack cancelled.....", Toast.LENGTH_SHORT).show();
dialog.hide(); /*hide the progressbar dialog here...*/
super.onCancelled();
}
}
I faced the same issue in Android Studio version 3.5.3. This is how i fixed it.
I updated the dependecy com.android.tools.build:gradle in my project level build.gradle file from a lower version to 3.5.3 as below.
classpath 'com.android.tools.build:gradle:3.5.3'
I then went ahead and edited the value of distributionUrl in gradle-wrapper.properties file as below. This file is in the directory /gradle/wrapper/ from the root of your project folder.
distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
If you want to make it easier on yourself, there are CentOS RPMs for new Python versions floating around the net. E.g. see:
This happened to me right after upgrading Firefox to version 51. After clearing the cache
, the problem has gone.
Your script is blocked from executing due to the execution policy.
You need to run PowerShell as administrator and set it on the client PC to Unrestricted. You can do that by calling Invoke with:
Set-ExecutionPolicy Unrestricted
The Practice of Programming
and
How to solve it by computer
If you have given same text name for both of your Id and Name properties you can give like document.getElementByName('frmMain')[index]
other wise object required error will come.And if you have only one table in your page you can use document.getElementBytag('table')[index]
.
EDIT:
You can replace the index according to your form, if its first form place 0 for index.
Also, you can copy an item from the finder using command-C, jump into the Terminal (e.g. using Spotlight or QuickSilver) type 'cd ' and simply paste with command-v
select *
FROM XMLTABLE('/person/row'
PASSING
xmltype('
<person>
<row>
<name>Tom</name>
<Address>
<State>California</State>
<City>Los angeles</City>
</Address>
</row>
<row>
<name>Jim</name>
<Address>
<State>California</State>
<City>Los angeles</City>
</Address>
</row>
</person>
')
COLUMNS
--describe columns and path to them:
name varchar2(20) PATH './name',
state varchar2(20) PATH './Address/State',
city varchar2(20) PATH './Address/City'
) xmlt
;
You can't call free
on the pointers returned from strsep
. Those are not individually allocated strings, but just pointers into the string s
that you've already allocated. When you're done with s
altogether, you should free it, but you do not have to do that with the return values of strsep
.
I used another repository for oracle java.
sudo add-apt-repository ppa:linuxuprising/java
sudo apt-get update
sudo apt install oracle-java11-installer
headerLeft: null
This won't work in the latest react native version
It should be:
navigationOptions = {
headerLeft:()=>{},
}
For Typescript:
navigationOptions = {
headerLeft:()=>{return null},
}
From here:
-Xmn : the size of the heap for the young generation
Young generation represents all the objects which have a short life of time. Young generation objects are in a specific location into the heap, where the garbage collector will pass often. All new objects are created into the young generation region (called "eden"). When an object survive is still "alive" after more than 2-3 gc cleaning, then it will be swap has an "old generation" : they are "survivor".
And a more "official" source from IBM:
-Xmn
Sets the initial and maximum size of the new (nursery) heap to the specified value when using -Xgcpolicy:gencon. Equivalent to setting both -Xmns and -Xmnx. If you set either -Xmns or -Xmnx, you cannot set -Xmn. If you attempt to set -Xmn with either -Xmns or -Xmnx, the VM will not start, returning an error. By default, -Xmn is selected internally according to your system's capability. You can use the -verbose:sizes option to find out the values that the VM is currently using.
Long story short you have to use atoi()
ed:
If you are interested in doing this the right way :
char szNos[] = "12345";
char *pNext;
long output;
output = strtol (szNos, &pNext, 10); // input, ptr to next char in szNos (null here), base
What you need (for tic-tac-toe or a far more difficult game like Chess) is the minimax algorithm, or its slightly more complicated variant, alpha-beta pruning. Ordinary naive minimax will do fine for a game with as small a search space as tic-tac-toe, though.
In a nutshell, what you want to do is not to search for the move that has the best possible outcome for you, but rather for the move where the worst possible outcome is as good as possible. If you assume your opponent is playing optimally, you have to assume they will take the move that is worst for you, and therefore you have to take the move that MINimises their MAXimum gain.
Check local_listener definition in your spfile or pfile. In my case, the problem was with pfile, I had moved the pfile from a similar environment and it had LISTENER_sid as LISTENER and not just LISTENER.
After Windows 10 update in July of 2018 I suddenly experienced this issue with Virtual Box losing 64-Bit OS options resulting in the error.
virtualbox Raw-mode is unavailable courtesy of Hyper-V windows 10
Existing Laravel Homestead Boxes rendered un-bootable as a result event though HYPER-V is Disabled / Not Installed...
The FIX! (That worked for me) Drum Roll....
Install Hyper-V... Reboot, Uninstall it again... Reboot... The end
As you use Joda Time, you should use DateTimeFormatter
:
final DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy-MMM-dd");
final LocalDate dt = dtf.parseLocalDate(yourinput);
If using Java 8 or later, then refer to hertzi's answer
this worked for me.
if you're using yarn:
yarn.lock
yarn
yarn start
if you're using npm:
package-lock.json
npm install
npm start
Starting in Python 2.6 there is a operator.methodcaller function.
So you can get something more elegant (and fast):
from operator import methodcaller
map(methodcaller('method_name'), list_of_objects)
You can get the milliseconds since 1/1/1970 using such code:
private static DateTime JanFirst1970 = new DateTime(1970, 1, 1);
public static long getTime()
{
return (long)((DateTime.Now.ToUniversalTime() - JanFirst1970).TotalMilliseconds + 0.5);
}
The idea of your first snippet is right. You probably meant to check iByteCount == -1
: whether the file has at least one byte:
if (iByteCount == -1)
System.out.println("NO ERRORS!");
else
System.out.println("SOME ERRORS!");
Lots of answer but couldn't find what I was looking for :
date +"%s.%3N"
returns something like : 1606297368.210
You can read it from an XML file. Its easy to maintain and work with. There are standard STaX, DOM, SAX parsers available out there to make it few lines of code in java.
You can have some semantic information with attributes on the tag to help do more with the SQL. This can be the method name or query type or anything that helps you code less.
You can put the xml outside the jar and easily maintain it. Same benefits as a properties file.
XML is extensible and easily convertible to other formats.
Using keyword arguments as assignments
Sometimes one wants to build a range of functions depending on one or more parameters. However this might easily lead to closures all referring to the same object and value:
funcs = []
for k in range(10):
funcs.append( lambda: k)
>>> funcs[0]()
9
>>> funcs[7]()
9
This behaviour can be avoided by turning the lambda expression into a function depending only on its arguments. A keyword parameter stores the current value that is bound to it. The function call doesn't have to be altered:
funcs = []
for k in range(10):
funcs.append( lambda k = k: k)
>>> funcs[0]()
0
>>> funcs[7]()
7
This work perfectly! ;)
This can be done using Ajax and with what I call: "a form mirror element". Instead to send a form with an element outside, you can create a fake form. The previous form is not needed.
<!-- This will do the trick -->
<div >
<input id="mirror_element" type="text" name="your_input_name">
<input type="button" value="Send Form">
</div>
Code ajax would be like:
<script>
ajax_form_mirror("#mirror_element", "your_file.php", "#your_element_response", "POST");
function ajax_form_mirror(form, file, element, method) {
$(document).ready(function() {
// Ajax
$(form).change(function() { // catch the forms submit event
$.ajax({ // create an AJAX call...
data: $(this).serialize(), // get the form data
type: method, // GET or POST
url: file, // the file to call
success: function (response) { // on success..
$(element).html(response); // update the DIV
}
});
return false; // cancel original event to prevent form submitting
});
});
}
</script>
This is very usefull if you want to send some data inside another form without submit the parent form.
This code probably can be adapted/optimized according to the need. It works perfectly!! ;) Also works if you want a select option box like this:
<div>
<select id="mirror_element" name="your_input_name">
<option id="1" value="1">A</option>
<option id="2" value="2">B</option>
<option id="3" value="3">C</option>
<option id="4" value="4">D</option>
</select>
</div>
I hope it helped someone like it helped me. ;)
If you are often programming dynamic stored procedures, you will fall in love with your second example (using where). If you have various input parameters and lots of morph mess, then that is the only way. Otherwise, they both will run the same query plan so there is definitely no obvious difference in classic queries.
In any case you can know it:
mysql> select @@datadir;
+----------------------------------------------------------------+
| @@datadir |
+----------------------------------------------------------------+
| D:\Documents and Settings\b394382\My Documents\MySQL_5_1\data\ |
+----------------------------------------------------------------+
1 row in set (0.00 sec)
Thanks Barry Galbraith from the MySql Forum http://forums.mysql.com/read.php?10,379153,379167#msg-379167
You can try like below with sqljdbc4-2.0.jar:
public void getConnection() throws ClassNotFoundException, SQLException, IllegalAccessException, InstantiationException {
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();
String url = "jdbc:sqlserver://<SERVER_IP>:<PORT_NO>;databaseName=" + DATABASE_NAME;
Connection conn = DriverManager.getConnection(url, USERNAME, PASSWORD);
System.out.println("DB Connection started");
Statement sta = conn.createStatement();
String Sql = "select * from TABLE_NAME";
ResultSet rs = sta.executeQuery(Sql);
while (rs.next()) {
System.out.println(rs.getString("COLUMN_NAME"));
}
}
Try using String.getBytes(). It returns a byte[] representing string data. Example:
String data = "sample data";
byte[] byteData = data.getBytes();
You can have awk
do it all without using cut
:
awk '{print substr($7,index($7,"=")+1)}' inputfile
You could use split()
instead of substr(index())
.
Note:
1) $.browser appears to be dropped in jQuery 1.9+ (as noted by Mandeep Jain). It is recommended to use .support instead.
2) $.browser.version can return "7" in IE >7 when the browser is in "compatibility" mode.
3) As of IE 10, conditional comments will no longer work.
4) jQuery 2.0+ will drop support for IE 6/7/8
5) document.documentMode appears to be defined only in Internet Explorer 8+ browsers. The value returned will tell you in what "compatibility" mode Internet Explorer is running. Still not a good solution though.
I tried numerous .support() options, but it appears that when an IE browser (9+) is in compatibility mode, it will simply behave like IE 7 ... :(
So far I only found this to work (kind-a):
(if documentMode is not defined and htmlSerialize and opacity are not supported, then you're very likely looking at IE <8 ...)
if(!document.documentMode && !$.support.htmlSerialize && !$.support.opacity)
{
// IE 6/7 code
}
No need functions
For example to give color to a container using colorcode
Container (
color:Color(0xff000000)
)
Here the 0xff is the format followed by color code
The answer is not efficiency. Non-reentrant mutexes lead to better code.
Example: A::foo() acquires the lock. It then calls B::bar(). This worked fine when you wrote it. But sometime later someone changes B::bar() to call A::baz(), which also acquires the lock.
Well, if you don't have recursive mutexes, this deadlocks. If you do have them, it runs, but it may break. A::foo() may have left the object in an inconsistent state before calling bar(), on the assumption that baz() couldn't get run because it also acquires the mutex. But it probably shouldn't run! The person who wrote A::foo() assumed that nobody could call A::baz() at the same time - that's the entire reason that both of those methods acquired the lock.
The right mental model for using mutexes: The mutex protects an invariant. When the mutex is held, the invariant may change, but before releasing the mutex, the invariant is re-established. Reentrant locks are dangerous because the second time you acquire the lock you can't be sure the invariant is true any more.
If you are happy with reentrant locks, it is only because you have not had to debug a problem like this before. Java has non-reentrant locks these days in java.util.concurrent.locks, by the way.
Well, when writing it out to file, you do know what class T is, so you can store that in dump
. Then, when reading it back in, you can dynamically call it using reflection.
public JSONObject dump() throws JSONException {
JSONObject result = new JSONObject();
JSONArray a = new JSONArray();
for(T i : items){
a.put(i.dump());
// inside this i.dump(), store "class-name"
}
result.put("items", a);
return result;
}
public void load(JSONObject obj) throws JSONException {
JSONArray arrayItems = obj.getJSONArray("items");
for (int i = 0; i < arrayItems.length(); i++) {
JSONObject item = arrayItems.getJSONObject(i);
String className = item.getString("class-name");
try {
Class<?> clazzy = Class.forName(className);
T newItem = (T) clazzy.newInstance();
newItem.load(obj);
items.add(newItem);
} catch (InstantiationException e) {
// whatever
} catch (IllegalAccessException e) {
// whatever
} catch (ClassNotFoundException e) {
// whatever
}
}
Try type-safe-enum pattern.
public sealed class AuthenticationMethod {
private readonly String name;
private readonly int value;
public static readonly AuthenticationMethod FORMS = new AuthenticationMethod (1, "FORMS");
public static readonly AuthenticationMethod WINDOWSAUTHENTICATION = new AuthenticationMethod (2, "WINDOWS");
public static readonly AuthenticationMethod SINGLESIGNON = new AuthenticationMethod (3, "SSN");
private AuthenticationMethod(int value, String name){
this.name = name;
this.value = value;
}
public override String ToString(){
return name;
}
}
Update Explicit (or implicit) type conversion can be done by
adding static field with mapping
private static readonly Dictionary<string, AuthenticationMethod> instance = new Dictionary<string,AuthenticationMethod>();
filling this mapping in instance constructor
instance[name] = this;
and adding user-defined type conversion operator
public static explicit operator AuthenticationMethod(string str)
{
AuthenticationMethod result;
if (instance.TryGetValue(str, out result))
return result;
else
throw new InvalidCastException();
}
It should be the same command, except SET instead of EXPORT
When you define concatenation you need to use an ALIAS for the new column if you want to order on it combined with DISTINCT Some Ex with sql 2008
--this works
SELECT DISTINCT (c.FirstName + ' ' + c.LastName) as FullName
from SalesLT.Customer c
order by FullName
--this works too
SELECT DISTINCT (c.FirstName + ' ' + c.LastName)
from SalesLT.Customer c
order by 1
-- this doesn't
SELECT DISTINCT (c.FirstName + ' ' + c.LastName) as FullName
from SalesLT.Customer c
order by c.FirstName, c.LastName
-- the problem the DISTINCT needs an order on the new concatenated column, here I order on the singular column
-- this works
SELECT DISTINCT (c.FirstName + ' ' + c.LastName)
as FullName, CustomerID
from SalesLT.Customer c
order by 1, CustomerID
-- this doesn't
SELECT DISTINCT (c.FirstName + ' ' + c.LastName) as FullName
from SalesLT.Customer c
order by 1, CustomerID
As @Sugrue I'm also digging out an old thread.
To explain why there is 32768 (I think it should be 32767, but lets believe experimental testing result) characters limitation we need to dig into Windows API.
No matter how you launch program with command line arguments it goes to ShellExecute, CreateProcess or any extended their version. These APIs basically wrap other NT level API that are not officially documented. As far as I know these calls wrap NtCreateProcess, which requires OBJECT_ATTRIBUTES structure as a parameter, to create that structure InitializeObjectAttributes is used. In this place we see UNICODE_STRING
. So now lets take a look into this structure:
typedef struct _UNICODE_STRING {
USHORT Length;
USHORT MaximumLength;
PWSTR Buffer;
} UNICODE_STRING;
It uses USHORT
(16-bit length [0; 65535]) variable to store length. And according this, length indicates size in bytes, not characters. So we have: 65535 / 2 = 32767
(because WCHAR
is 2 bytes long).
There are a few steps to dig into this number, but I hope it is clear.
Also, to support @sunetos answer what is accepted. 8191 is a maximum number allowed to be entered into cmd.exe
, if you exceed this limit, The input line is too long.
error is generated. So, answer is correct despite the fact that cmd.exe
is not the only way to pass arguments for new process.
The best approach it is to use Hash.to_params which is the one working fine with arrays.
{a: 1, b: [1,2,3]}.to_param
"a=1&b[]=1&b[]=2&b[]=3"
SELECT *
FROM (
SELECT TOP 20
t.*, ROW_NUMBER() OVER (ORDER BY field1) AS rn
FROM table1 t
ORDER BY
field1
) t
WHERE rn > 10
In the project path Terminal django_project#
sudo chown django:django *
No it's not. You may block right-clicks and simillar stuff but if someone wants to download it, he will do so, trust me ;)
Probably the face_cascade
is empty. You can check if the variable is empty or not by typing following command:
face_cascade.empty()
If it is empty you will get True
and this means your file is not available in the path you mentioned.
Try to add complete path of xml file as follows:
r'D:\folder Name\haarcascade_frontalface_default.xml'
This answer meets the requirements of the OP. specifically it allows the needle to be more than a single character and it does not generate an error when needle is not found in haystack. It seemed to me that most (all?) of the other answers did not handle those edge cases. Beyond that I added the "Starting Position" argument provided by the native MS SQL server CharIndex function. I tried to exactly mirror the specification for CharIndex except to process right to left instead of left to right. eg I return null if either needle or haystack is null and I return zero if needle is not found in haystack. One thing that I could not get around is that with the built in function the third parameter is optional. With SQL Server user defined functions, all parameters must be provided in the call unless the function is called using "EXEC" . While the third parameter must be included in the parameter list, you can provide the keyword "default" as a placeholder for it without having to give it a value (see examples below). Since it is easier to remove the third parameter from this function if not desired than it would be to add it if needed I have included it here as a starting point.
create function dbo.lastCharIndex(
@needle as varchar(max),
@haystack as varchar(max),
@offset as bigint=1
) returns bigint as begin
declare @position as bigint
if @needle is null or @haystack is null return null
set @position=charindex(reverse(@needle),reverse(@haystack),@offset)
if @position=0 return 0
return (len(@haystack)-(@position+len(@needle)-1))+1
end
go
select dbo.lastCharIndex('xyz','SQL SERVER 2000 USES ANSI SQL',default) -- returns 0
select dbo.lastCharIndex('SQL','SQL SERVER 2000 USES ANSI SQL',default) -- returns 27
select dbo.lastCharIndex('SQL','SQL SERVER 2000 USES ANSI SQL',1) -- returns 27
select dbo.lastCharIndex('SQL','SQL SERVER 2000 USES ANSI SQL',11) -- returns 1
Your .htaccess
is slightly off. Look at mine:
RewriteEngine On
RewriteBase /codeigniter
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond $1 !^(index\.php|images|robots\.txt|css|docs|js|system)
RewriteRule ^(.*)$ /codeigniter/index.php?/$1 [L]
Notice "codeigniter" in two places.
after that, in your config:
base_url = "http://localhost/codeigniter"
index = ""
Change codeigniter to "ci" whereever appropriate
If unwanted files were added to the staging area but not yet committed, then a simple reset will do the job:
$ git reset HEAD file
# Or everything
$ git reset HEAD .
To only remove unstaged changes in the current working directory, use:
git checkout -- .
Have you tried using the WebClient class?
you should be able to use
string result = "";
using (var client = new WebClient())
{
client.Headers[HttpRequestHeader.ContentType] = "application/json";
result = client.UploadString(url, "POST", json);
}
Console.WriteLine(result);
Documentation at
http://msdn.microsoft.com/en-us/library/system.net.webclient%28v=vs.110%29.aspx
http://msdn.microsoft.com/en-us/library/d0d3595k%28v=vs.110%29.aspx
The biggest problem when dealing with C#'s version numbers is the fact that it is not tied to a version of the .NET Framework, which it appears to be due to the synchronized releases between Visual Studio and the .NET Framework.
The version of C# is actually bound to the compiler, not the framework. For instance, in Visual Studio 2008 you can write C# 3.0 and target .NET Framework 2.0, 3.0 and 3.5. The C# 3.0 nomenclature describes the version of the code syntax and supported features in the same way that ANSI C89, C90, C99 describe the code syntax/features for C.
Take a look at Mono, and you will see that Mono 2.0 (mostly implemented version 2.0 of the .NET Framework from the ECMA specifications) supports the C# 3.0 syntax and features.
Warning! SQL Server 14 Express, SQL Server Management Studio, and SQL 2014 LocalDB are separate downloads, make sure you actually installed SQL Server and not just the Management Studio! SQL Server 14 express with LocalDB download link
Youtube video about entire process.
Writeup with pictures about installing SQL Server
How to select a local server:
When you are asked to connect to a 'database server' right when you open up SQL Server Management Studio do this:
1) Make sure you have Server Type: Database
2) Make sure you have Authentication: Windows Authentication (no username & password)
3) For the server name field look to the right and select the drop down arrow, click 'browse for more'
4) New window pops up 'Browse for Servers', make sure to pick 'Local Servers' tab and under 'Database Engine' you will have the local server you set up during installation of SQL Server 14
How do I create a local database inside of Microsoft SQL Server 2014?
1) After you have connected to a server, bring up the Object Explorer toolbar under 'View' (Should open by default)
2) Now simply right click on 'Databases' and then 'Create new Database' to be taken through the database creation tools!
List1 = [[10,-13,17],[3,5,1],[13,11,12]]
num = 50
for i in List1[0]:num -= i
print num
If it's only about changing the color of the Navbar my suggestion would be to use: Bootstrap Magic. You can change the values for different properties of the Navbar and see a preview.
Download the result as a custom CSS style sheet or as a Less variables file. You can change values with input fields and color pickers.
There's an Abstract Class Dictionary
http://docs.oracle.com/javase/6/docs/api/java/util/Dictionary.html
However this requires implementation.
Java gives us a nice implementation called a Hashtable
http://docs.oracle.com/javase/6/docs/api/java/util/Hashtable.html
I noticed someone mentioned jQuery, but I didn't know there was an isArray()
function. It turns out it was added in version 1.3.
jQuery implements it as Peter suggests:
isArray: function( obj ) {
return toString.call(obj) === "[object Array]";
},
Having put a lot of faith in jQuery already (especially their techniques for cross-browser compatibility) I will either upgrade to version 1.3 and use their function (providing that upgrading doesn’t cause too many problems) or use this suggested method directly in my code.
Many thanks for the suggestions.
Copying to the clipboard is a tricky task to do in Javascript in terms of browser compatibility. The best way to do it is using a small flash. It will work on every browser. You can check it in this article.
Here's how to do it for Internet Explorer:
function copy (str)
{
//for IE ONLY!
window.clipboardData.setData('Text',str);
}
Instead of
transform: scale(1.5);
using
zoom : 150%;
fixes the text blurring problem in Chrome.
For one matched character replace, use str_replace:
$string = str_replace(' ', '_', $string);
For all matched character replace, use preg_replace:
$string = preg_replace('/\s+/', '_', $string);
java.util.Date date;
Timestamp timestamp = resultSet.getTimestamp(i);
if (timestamp != null)
date = new java.util.Date(timestamp.getTime()));
Then format it the way you like.
I read this post Why String is Immutable or Final in Java and suppose that following may be the most important reason:
String is Immutable in Java because String objects are cached in String pool. Since cached String literals are shared between multiple clients there is always a risk, where one client's action would affect all another client.
It cross-browser compliant and can perform a binary search if your data is sorted.
_.indexOf(array, value, [isSorted]) Returns the index at which value can be found in the array, or -1 if value is not present in the array. Uses the native indexOf function unless it's missing. If you're working with a large array, and you know that the array is already sorted, pass true for isSorted to use a faster binary search.
//Tell underscore your data is sorted (Binary Search)
if(_.indexOf(['2','3','4','5','6'], '4', true) != -1){
alert('true');
}else{
alert('false');
}
//Unsorted data works to!
if(_.indexOf([2,3,6,9,5], 9) != -1){
alert('true');
}else{
alert('false');
}
It does not work because sequence does not work in following scenarios:
Source: http://www.orafaq.com/wiki/ORA-02287
However this does work:
insert into table_name
(col1, col2)
select my_seq.nextval, inner_view.*
from (select 'some value' someval
from dual
union all
select 'another value' someval
from dual) inner_view;
Try it out:
create table table_name(col1 varchar2(100), col2 varchar2(100));
create sequence vcert.my_seq
start with 1
increment by 1
minvalue 0;
select * from table_name;
Making Changes to the answer by danh32 since the display.getWidth(); is now deprecated.
private int getScale(){
Point p = new Point();
Display display = ((WindowManager) getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
display.getSize(p);
int width = p.x;
Double val = new Double(width)/new Double(PIC_WIDTH);
val = val * 100d;
return val.intValue();
}
Then use
WebView web = new WebView(this);
web.setPadding(0, 0, 0, 0);
web.setInitialScale(getScale());
You need to intent
your current context
to another activity first with startActivity
. After that you can finish
your current activity
from where you redirect.
Intent intent = new Intent(this, FirstActivity.class);// New activity
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
finish(); // Call once you redirect to another activity
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
- Clears the activity stack. If you don't want to clear the activity stack. PLease don't use that flag then.
In a Groovy script the scoping can be different than expected. That is because a Groovy script in itself is a class with a method that will run the code, but that is all done runtime. We can define a variable to be scoped to the script by either omitting the type definition or in Groovy 1.8 we can add the @Field annotation.
import groovy.transform.Field
var1 = 'var1'
@Field String var2 = 'var2'
def var3 = 'var3'
void printVars() {
println var1
println var2
println var3 // This won't work, because not in script scope.
}
If layoutparams
is already defined (in XML or dynamically), Here's a one liner:
((LinearLayout.LayoutParams) mView.getLayoutParams()).weight = 1;
There are many questions about REST auth patterns here on SO. These are the most relevant for your question:
Basically you need to choose between using API keys (least secure as the key may be discovered by an unauthorized user), an app key and token combo (medium), or a full OAuth implementation (most secure).
In my case, I'm using redis-stable
Go to redis-stable path
cd /home/ubuntu/software/redis-stable
Open the redis.conf
vim redis.conf
Change the
bind 127.0.0.1
tobind 0.0.0.0
change the
protected-mode yes
toprotected-mode no
Restart the redis-server:
/etc/init.d/redis-server stop
redis-server redis.conf
You will get it here (change "yourtwitch" by your twitch nickname")
http://www.twitch.tv/yourtwitch/dashboard/streamkey
The link simply moved. You can get this link on the main page of twitch.tv, click on your name then "Dashboard".
Here is a solution I've found to enable the global terminal colors.
Edit your .bash_profile
(since OS X 10.8) — or (for 10.7 and earlier): .profile
or .bashrc
or /etc/profile
(depending on availability) — in your home directory and add following code:
export CLICOLOR=1
export LSCOLORS=GxFxCxDxBxegedabagaced
CLICOLOR=1
simply enables coloring of your terminal.
LSCOLORS=...
specifies how to color specific items.
After editing .bash_profile
, start a Terminal and force the changes to take place by executing:
source ~/.bash_profile
Then go to Terminal > Preferences
, click on the Profiles
tab and then the Text
subtab and check Display ANSI Colors
.
Verified on Sierra (May 2017).
Just to share my finding. I still got the same error even if the query was targeting the correct class name. Later on I realised that I was importing the Entity class from the wrong package.
The problem was solved after I change the import line from:
import org.hibernate.annotations.Entity;
to
import javax.persistence.Entity;
WARNING: This will remove the database
Within zsh:
rm -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8
This is the only thing that worked for me after countless hours trouble shooting.
Found these docu on the google docu pages:
In your example, you would get (if you picked the 3rd row) "C3:O3", cause C --> O is 12 columns
edit
Using the example on the docu:
// The code below will get the number of columns for the range C2:G8
// in the active spreadsheet, which happens to be "4"
var count = SpreadsheetApp.getActiveSheet().getRange(2, 3, 6, 4).getNumColumns(); Browser.msgBox(count);
The values between brackets:
2: the starting row = 2
3: the starting col = C
6: the number of rows = 6 so from 2 to 8
4: the number of cols = 4 so from C to G
So you come to the range: C2:G8
HTML:
<select id="box1" onChange="myNewFunction(this);">
JavaScript:
function myNewFunction(element) {
var text = element.options[element.selectedIndex].text;
// ...
}
I would like to show a little example on how is
and ==
are involved in immutable types. Try that:
a = 19998989890
b = 19998989889 +1
>>> a is b
False
>>> a == b
True
is
compares two objects in memory, ==
compares their values. For example, you can see that small integers are cached by Python:
c = 1
b = 1
>>> b is c
True
You should use ==
when comparing values and is
when comparing identities. (Also, from an English point of view, "equals" is different from "is".)
You need two backslashes before the dot, one to escape the slash so it gets through, and the other to escape the dot so it becomes literal. Forward slashes and asterisk are treated literal.
str=xpath.replaceAll("\\.", "/*/"); //replaces a literal . with /*/
I ran into this after calling UIImagePickerController presentViewController: from the callback to a UIAlertView delegate. I solved the issue by pushing the presentViewController: call off the current execution trace using dispatch_async.
- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
{
dispatch_async(dispatch_get_main_queue(), ^{
UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];
imagePickerController.delegate = self;
if (buttonIndex == 1)
imagePickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
else
imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
[self presentViewController: imagePickerController
animated: YES
completion: nil];
});
}
To plot an equation that is not solved for a specific variable (like circle or hyperbola):
import numpy as np
import matplotlib.pyplot as plt
plt.figure() # Create a new figure window
xlist = np.linspace(-2.0, 2.0, 100) # Create 1-D arrays for x,y dimensions
ylist = np.linspace(-2.0, 2.0, 100)
X,Y = np.meshgrid(xlist, ylist) # Create 2-D grid xlist,ylist values
F = X**2 + Y**2 - 1 # 'Circle Equation
plt.contour(X, Y, F, [0], colors = 'k', linestyles = 'solid')
plt.show()
More about it: http://courses.csail.mit.edu/6.867/wiki/images/3/3f/Plot-python.pdf
Check if you forgot to put @GenerateValue for @Id column. I had same problem with many to many relationship between Movie and Genre. The program threw Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session error. I found out later that I just have to make sure you have @GenerateValue to the GenreId get method.
It looks like the ~ gives the functionality that I need, but I am yet to find any appropriate documentation on it.
df.filter(~col('bar').isin(['a','b'])).show()
+---+---+
| id|bar|
+---+---+
| 4| c|
| 5| d|
+---+---+
If you have Java 7 so include the below following snippet within your app-level build.gradle
:
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_7
targetCompatibility JavaVersion.VERSION_1_7
}
As part of the solution that Larry K suggested, registering your own protocol might be a possible solution. The web page could contain a simple link to download and install the application - which would then register its own protocol in the Windows registry.
The web page would then contain links with parameters that would result in the registerd program being opened and any parameters specified in the link being passed to it. There's a good description of how to do this on MSDN
Are you talking about a dumb case insensitive compare or a full normalized Unicode compare?
A dumb compare will not find strings that might be the same but are not binary equal.
Example:
U212B (ANGSTROM SIGN)
U0041 (LATIN CAPITAL LETTER A) + U030A (COMBINING RING ABOVE)
U00C5 (LATIN CAPITAL LETTER A WITH RING ABOVE).
Are all equivalent but they also have different binary representations.
That said, Unicode Normalization should be a mandatory read especially if you plan on supporting Hangul, Thaï and other asian languages.
Also, IBM pretty much patented most optimized Unicode algorithms and made them publicly available. They also maintain an implementation : IBM ICU
WiX is the way to go for new installers. If WiX alone is too complicated or not flexible enough on the GUI side consider using SharpSetup - it allows you to create installer GUI in WinForms of WPF and has other nice features like translations, autoupdater, built-in prerequisites, improved autocompletion in VS and more.
(Disclaimer: I am the author of SharpSetup.)
Parse the JSONObject and create HashMap
public static void jsonToMap(String t) throws JSONException {
HashMap<String, String> map = new HashMap<String, String>();
JSONObject jObject = new JSONObject(t);
Iterator<?> keys = jObject.keys();
while( keys.hasNext() ){
String key = (String)keys.next();
String value = jObject.getString(key);
map.put(key, value);
}
System.out.println("json : "+jObject);
System.out.println("map : "+map);
}
Tested output:
json : {"phonetype":"N95","cat":"WP"}
map : {cat=WP, phonetype=N95}
From the LESS website:
If you want to import a CSS file, and don’t want LESS to process it, just use the .css extension:
@import "lib.css"; The directive will just be left as is, and end up in the CSS output.
As jitbit points out in the comments below, this is really only useful for development purposes, as you wouldn't want to have unnecessary @import
s consuming precious bandwidth.
Use this:
myFunction.bookName = 'mybook';
myFunction.bookdesc = 'new';
Or, if you are using jQuery:
$(myFunction).extend({
bookName:'mybook',
bookdesc: 'new'
});
The push
method is wrong because it belongs to the Array.prototype
object.
To create a named object, try this:
var myObj = function(){
this.property = 'foo';
this.bar = function(){
}
}
myObj.prototype.objProp = true;
var newObj = new myObj();
You have already defined the conversion, you just need to take it one step further if you would like to be able to cast. For example:
public class sub1
{
public int a;
public int b;
public int c;
public static explicit operator maincs(sub1 obj)
{
maincs output = new maincs() { a = obj.a, b = obj.b, c = obj.c };
return output;
}
}
Which then allows you to do something like
static void Main()
{
sub1 mySub = new sub1();
maincs myMain = (maincs)mySub;
}
set global sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';
java.util.Date utilDate = new java.util.Date();
java.sql.Date sqlDate = new java.sql.Date(utilDate.getTime());
System.out.println("utilDate:" + utilDate);
System.out.println("sqlDate:" + sqlDate);
This gives me the following output:
utilDate:Fri Apr 04 12:07:37 MSK 2014
sqlDate:2014-04-04
1.Set the delegate of your textfield:
textField.delegate = self
2.Implement the method in your view controller :
// MARK: Text field delegate
extension ViewController: UITextFieldDelegate {
func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
return range.location < maxLength (maxLength can be any maximum length you can define)
}
}
If you have a SSHClient, you can also use open_sftp()
:
import paramiko
# lets say you have SSH client...
client = paramiko.SSHClient()
sftp = client.open_sftp()
# then you can use upload & download as shown above
...
class Test48{
public static void main (String args[]){
Object Obj=new Hello();
//Hello obj=new Hello;
System.out.println(Obj instanceof String);
System.out.println(Obj instanceof Hello);
System.out.println(Obj instanceof Object);
Hello h=null;
System.out.println(h instanceof Hello);
System.out.println(h instanceof Object);
}
}
DFS iterative in Java:
//DFS: Iterative
private Boolean DFSIterative(Node root, int target) {
if (root == null)
return false;
Stack<Node> _stack = new Stack<Node>();
_stack.push(root);
while (_stack.size() > 0) {
Node temp = _stack.peek();
if (temp.data == target)
return true;
if (temp.left != null)
_stack.push(temp.left);
else if (temp.right != null)
_stack.push(temp.right);
else
_stack.pop();
}
return false;
}
Another way of accomplishing this is using animation
which provides more control.
#content #nav a {
background-color: #FF0;
/* only animation-duration here is required, rest are optional (also animation-name but it will be set on hover)*/
animation-duration: 1s; /* same as transition duration */
animation-timing-function: linear; /* kind of same as transition timing */
animation-delay: 0ms; /* same as transition delay */
animation-iteration-count: 1; /* set to 2 to make it run twice, or Infinite to run forever!*/
animation-direction: normal; /* can be set to "alternate" to run animation, then run it backwards.*/
animation-fill-mode: none; /* can be used to retain keyframe styling after animation, with "forwards" */
animation-play-state: running; /* can be set dynamically to pause mid animation*/
/* declaring the states of the animation to transition through */
/* optionally add other properties that will change here, or new states (50% etc) */
@keyframes onHoverAnimation {
0% {
background-color: #FF0;
}
100% {
background-color: #AD310B;
}
}
}
#content #nav a:hover {
/* animation wont run unless the element is given the name of the animation. This is set on hover */
animation-name: onHoverAnimation;
}
The recommended way to install setuptools on Windows is to download ez_setup.py and run it. The script will download the appropriate .egg file and install it for you.
For best results, uninstall previous versions FIRST (see Uninstalling).
Once installation is complete, you will find an easy_install.exe program in your Python Scripts subdirectory. For simple invocation and best results, add this directory to your PATH environment variable, if it is not already present.
more details : https://pypi.python.org/pypi/setuptools
This is the correct syntax for archiving individual; folders in a batch as individual zipped files...
for /d %%X in (*) do "c:\Program Files\7-Zip\7z.exe" a -mx "%%X.zip" "%%X\*"
Here is an example I used to connect node.js to my Postgres database.
The interface in node.js that I used can be found here https://github.com/brianc/node-postgres
var pg = require('pg');
var conString = "postgres://YourUserName:YourPassword@localhost:5432/YourDatabase";
var client = new pg.Client(conString);
client.connect();
//queries are queued and executed one after another once the connection becomes available
var x = 1000;
while (x > 0) {
client.query("INSERT INTO junk(name, a_number) values('Ted',12)");
client.query("INSERT INTO junk(name, a_number) values($1, $2)", ['John', x]);
x = x - 1;
}
var query = client.query("SELECT * FROM junk");
//fired after last row is emitted
query.on('row', function(row) {
console.log(row);
});
query.on('end', function() {
client.end();
});
//queries can be executed either via text/parameter values passed as individual arguments
//or by passing an options object containing text, (optional) parameter values, and (optional) query name
client.query({
name: 'insert beatle',
text: "INSERT INTO beatles(name, height, birthday) values($1, $2, $3)",
values: ['George', 70, new Date(1946, 02, 14)]
});
//subsequent queries with the same name will be executed without re-parsing the query plan by postgres
client.query({
name: 'insert beatle',
values: ['Paul', 63, new Date(1945, 04, 03)]
});
var query = client.query("SELECT * FROM beatles WHERE name = $1", ['john']);
//can stream row results back 1 at a time
query.on('row', function(row) {
console.log(row);
console.log("Beatle name: %s", row.name); //Beatle name: John
console.log("Beatle birth year: %d", row.birthday.getYear()); //dates are returned as javascript dates
console.log("Beatle height: %d' %d\"", Math.floor(row.height / 12), row.height % 12); //integers are returned as javascript ints
});
//fired after last row is emitted
query.on('end', function() {
client.end();
});
UPDATE:- THE query.on
function is now deprecated and hence the above code will not work as intended. As a solution for this look at:- query.on is not a function
Please do yourself a favor and just hit the easy button:
download Web Inspector (Open Source) from the Play store.
A CAVEAT: ATTOW, console output does not accept rest params! I.e. if you have something like this:
console.log('one', 'two', 'three');
you will only see
one
logged to the console. You'll need to manually wrap the params in an Array and join, like so:
console.log([ 'one', 'two', 'three' ].join(' '));
to see the expected output.
But the app is open source! A patch may be imminent! The patcher could even be you!
This is possible if the browser supports the download
property in anchor elements.
var sampleBytes = new Int8Array(4096);
var saveByteArray = (function () {
var a = document.createElement("a");
document.body.appendChild(a);
a.style = "display: none";
return function (data, name) {
var blob = new Blob(data, {type: "octet/stream"}),
url = window.URL.createObjectURL(blob);
a.href = url;
a.download = name;
a.click();
window.URL.revokeObjectURL(url);
};
}());
saveByteArray([sampleBytes], 'example.txt');
JSFiddle: http://jsfiddle.net/VB59f/2
It is Safari specific, at least at time of writing, being introduced in Safari 9.0. From the "What's new in Safari?" documentation for Safari 9.0:
Viewport Changes
Viewport meta tags using
"width=device-width"
cause the page to scale down to fit content that overflows the viewport bounds. You can override this behavior by adding"shrink-to-fit=no"
to your meta tag as shown below. The added value will prevent the page from scaling to fit the viewport.
<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no">
In short, adding this to the viewport meta tag restores pre-Safari 9.0 behaviour.
Here's a worked visual example which shows the difference upon loading the page in the two configurations.
The red section is the width of the viewport and the blue section is positioned outside the initial viewport (eg left: 100vw
). Note how in the first example the page is zoomed to fit when shrink-to-fit=no
is omitted (thus showing the out-of-viewport content) and the blue content remains off screen in the latter example.
The code for this example can be found at https://codepen.io/davidjb/pen/ENGqpv.
Due to security violations, organizations may have their own repositories.
set your local repo as below.
npm config set registry https://yourorg-artifactory.com/
I hope this will solve the issue.
I had the same issue and tried many of the solutions listed above.
I then remembered that I have multiple versions of Python installed AND I use the PyCharm IDE (which is where I was getting this error message), so the solution in my case was:
In PyCharm:
go to File>Settings>Project>Python Interpreter
click "+" (install)
locate Pillow from the list and install it
Hope this helps anyone who may be in a similar situation!
It's just what it says:
inputFile = open((x), encoding = "utf8", "r")
You have specified encoding
as a keyword argument, but "r"
as a positional argument. You can't have positional arguments after keyword arguments. Perhaps you wanted to do:
inputFile = open((x), "r", encoding = "utf8")
Try this one:
$withoutExt = preg_replace('/\\.[^.\\s]{3,4}$/', '', $filename);
So, this matches a dot followed by three or four characters which are not a dot or a space. The "3 or 4" rule should probably be relaxed, since there are plenty of file extensions which are shorter or longer.
You can use this:
var isEmpty = function(obj) {
return Object.keys(obj).length === 0;
}
or this:
function isEmpty(obj) {
return !Object.keys(obj).length > 0;
}
You can also use this:
function isEmpty(obj) {
for(var prop in obj) {
if(obj.hasOwnProperty(prop))
return false;
}
return true;
}
If using underscore or jQuery, you can use their isEmpty
or isEmptyObject
calls.
Bulk add new categories to Woo:
Insert category id, name, url key
INSERT INTO wp_terms
VALUES
(57, 'Apples', 'fruit-apples', '0'),
(58, 'Bananas', 'fruit-bananas', '0');
Set the term values as catergories
INSERT INTO wp_term_taxonomy
VALUES
(57, 57, 'product_cat', '', 17, 0),
(58, 58, 'product_cat', '', 17, 0)
17 - is parent category, if there is one
key here is to make sure the wp_term_taxonomy table term_taxonomy_id, term_id are equal to wp_term table's term_id
After doing the steps above go to wordpress admin and save any existing category. This will update the DB to include your bulk added categories
<script>
function showValues() {
var str = $("form").serialize();
$.post('loginUser.html',
str,
function(responseText, responseStatus, responseXML){
if(responseStatus=="success"){
window.location= "adminIndex.html";
}
});
}
</script>
I actually came here looking to sort a list by a list where the values matched.
list_a = ['foo', 'bar', 'baz']
list_b = ['baz', 'bar', 'foo']
sorted(list_b, key=lambda x: list_a.index(x))
# ['foo', 'bar', 'baz']
Just Try this:
def __str__(self):
return f'Memo={self.memo}, Tag={self.tags}'
HTTP Basic Access Authentication
Basic Authentication uses base64 encoding(not encryption) for generating our cryptographic string which contains the information of username and password. HTTP Basic doesn’t need to be implemented over SSL, but if you don’t, it isn’t secure at all. So I’m not even going to entertain the idea of using it without.
Pros:
Cons:
In Summary – if you have control of the clients, or can ensure they use SSL, HTTP Basic is a good choice. The slowness of the SSL can be cancelled out by the speed of only making one request
Syntax of basic Authentication
Value = username:password
Encoded Value = base64(Value)
Authorization Value = Basic <Encoded Value>
//at last Authorization key/value map added to http header as follows
Authorization: <Authorization Value>
HTTP Digest Access Authentication
Digest Access Authentication uses the hashing(i.e digest means cut into small pieces) methodologies to generate the cryptographic result. HTTP Digest access authentication is a more complex form of authentication that works as follows:
Pros:
Cons:
In Summary, HTTP Digest is inherently vulnerable to at least two attacks, whereas a server using strong encryption for passwords with HTTP Basic over SSL is less likely to share these vulnerabilities.
If you don’t have control over your clients however they could attempt to perform Basic authentication without SSL, which is much less secure than Digest.
RFC 2069 Digest Access Authentication Syntax
Hash1=MD5(username:realm:password)
Hash2=MD5(method:digestURI)
response=MD5(Hash1:nonce:Hash2)
RFC 2617 Digest Access Authentication Syntax
Hash1=MD5(username:realm:password)
Hash2=MD5(method:digestURI)
response=MD5(Hash1:nonce:nonceCount:cnonce:qop:Hash2)
//some additional parameters added
In Postman looks as follows:
Note:
The regex validation for india should make sure that +91 is used, then make sure that 7, 8,9 is used after +91 and finally followed by 9 digits.
/^+91(7\d|8\d|9\d)\d{9}$/
Get the more information from below link
w3schools.com/jsref/jsref_obj_regexp.asp
This is a simple STDERR function, which redirect the pipe input to STDERR.
#!/bin/bash
# *************************************************************
# This function redirect the pipe input to STDERR.
#
# @param stream
# @return string
#
function STDERR () {
cat - 1>&2
}
# remove the directory /bubu
if rm /bubu 2>/dev/null; then
echo "Bubu is gone."
else
echo "Has anyone seen Bubu?" | STDERR
fi
# run the bubu.sh and redirect you output
tux@earth:~$ ./bubu.sh >/tmp/bubu.log 2>/tmp/bubu.err
In my case I was throwing Exception
on a namespaced file, so php tried to catch My\Namespace\Exception
therefore not catching any exceptions at all.
Worth checking if catch (Exception $e)
is finding the right Exception
class.
Just try catch (\Exception $e)
(with that \
there) and see if it works.
OutlineButton(
onPressed: () {
logInButtonPressed(context);
},
child: Container(
width: MediaQuery.of(context).size.width / 2,
child: Text(
“Log in”,
textAlign: TextAlign.center,
),
),
)
Something like this works for me.
You can use jQuery toggle
to show and hide the div. The script will be like this
<script type="text/javascript">
jQuery(function(){
jQuery("#music").click(function () {
jQuery("#musicinfo").toggle("slow");
});
});
</script>
I'm a little out of touch with the details of how MySQL deals with nulls, but here's two things to try:
SELECT * FROM match WHERE id NOT IN
( SELECT id FROM email WHERE id IS NOT NULL) ;
SELECT
m.*
FROM
match m
LEFT OUTER JOIN email e ON
m.id = e.id
AND e.id IS NOT NULL
WHERE
e.id IS NULL
The second query looks counter intuitive, but it does the join condition and then the where condition. This is the case where joins and where clauses are not equivalent.
The new version is hard to find. Select the app, then look for "3 dot menu" in upper right corner.
OCR which stands for Optical Character Recognition is a computer vision technique used to identify the different types of handwritten digits that are used in common mathematics. To perform OCR in OpenCV we will use the KNN algorithm which detects the nearest k neighbors of a particular data point and then classifies that data point based on the class type detected for n neighbors.
Data Used
This data contains 5000 handwritten digits where there are 500 digits for every type of digit. Each digit is of 20×20 pixel dimensions. We will split the data such that 250 digits are for training and 250 digits are for testing for every class.
Below is the implementation.
import numpy as np import cv2 # Read the image image = cv2.imread( 'digits.png' ) # gray scale conversion gray_img = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) # We will divide the image # into 5000 small dimensions # of size 20x20 divisions = list (np.hsplit(i, 100 ) for i in np.vsplit(gray_img, 50 )) # Convert into Numpy array # of size (50,100,20,20) NP_array = np.array(divisions) # Preparing train_data # and test_data. # Size will be (2500,20x20) train_data = NP_array[:,: 50 ].reshape( - 1 , 400 ).astype(np.float32) # Size will be (2500,20x20) test_data = NP_array[:, 50 : 100 ].reshape( - 1 , 400 ).astype(np.float32) # Create 10 different labels # for each type of digit k = np.arange( 10 ) train_labels = np.repeat(k, 250 )[:,np.newaxis] test_labels = np.repeat(k, 250 )[:,np.newaxis] # Initiate kNN classifier knn = cv2.ml.KNearest_create() # perform training of data knn.train(train_data, cv2.ml.ROW_SAMPLE, train_labels) # obtain the output from the # classifier by specifying the # number of neighbors. ret, output ,neighbours, distance = knn.findNearest(test_data, k = 3 ) # Check the performance and # accuracy of the classifier. # Compare the output with test_labels # to find out how many are wrong. matched = output = = test_labels correct_OP = np.count_nonzero(matched) #Calculate the accuracy. accuracy = (correct_OP * 100.0 ) / (output.size) # Display accuracy. print (accuracy) |
Output
91.64
Well, I decided to workout myself on my question to solve the above problem. What I wanted is to implement a simple OCR using KNearest or SVM features in OpenCV. And below is what I did and how. (it is just for learning how to use KNearest for simple OCR purposes).
1) My first question was about letter_recognition.data
file that comes with OpenCV samples. I wanted to know what is inside that file.
It contains a letter, along with 16 features of that letter.
And this SOF
helped me to find it. These 16 features are explained in the paper Letter Recognition Using Holland-Style Adaptive Classifiers
.
(Although I didn't understand some of the features at the end)
2) Since I knew, without understanding all those features, it is difficult to do that method. I tried some other papers, but all were a little difficult for a beginner.
So I just decided to take all the pixel values as my features. (I was not worried about accuracy or performance, I just wanted it to work, at least with the least accuracy)
I took the below image for my training data:
(I know the amount of training data is less. But, since all letters are of the same font and size, I decided to try on this).
To prepare the data for training, I made a small code in OpenCV. It does the following things:
key press manually
. This time we press the digit key ourselves corresponding to the letter in the box..txt
files.At the end of the manual classification of digits, all the digits in the training data (train.png
) are labeled manually by ourselves, image will look like below:
Below is the code I used for the above purpose (of course, not so clean):
import sys
import numpy as np
import cv2
im = cv2.imread('pitrain.png')
im3 = im.copy()
gray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
blur = cv2.GaussianBlur(gray,(5,5),0)
thresh = cv2.adaptiveThreshold(blur,255,1,1,11,2)
################# Now finding Contours ###################
contours,hierarchy = cv2.findContours(thresh,cv2.RETR_LIST,cv2.CHAIN_APPROX_SIMPLE)
samples = np.empty((0,100))
responses = []
keys = [i for i in range(48,58)]
for cnt in contours:
if cv2.contourArea(cnt)>50:
[x,y,w,h] = cv2.boundingRect(cnt)
if h>28:
cv2.rectangle(im,(x,y),(x+w,y+h),(0,0,255),2)
roi = thresh[y:y+h,x:x+w]
roismall = cv2.resize(roi,(10,10))
cv2.imshow('norm',im)
key = cv2.waitKey(0)
if key == 27: # (escape to quit)
sys.exit()
elif key in keys:
responses.append(int(chr(key)))
sample = roismall.reshape((1,100))
samples = np.append(samples,sample,0)
responses = np.array(responses,np.float32)
responses = responses.reshape((responses.size,1))
print "training complete"
np.savetxt('generalsamples.data',samples)
np.savetxt('generalresponses.data',responses)
Now we enter in to training and testing part.
For the testing part, I used the below image, which has the same type of letters I used for the training phase.
For training we do as follows:
.txt
files we already saved earlierFor testing purposes, we do as follows:
I included last two steps (training and testing) in single code below:
import cv2
import numpy as np
####### training part ###############
samples = np.loadtxt('generalsamples.data',np.float32)
responses = np.loadtxt('generalresponses.data',np.float32)
responses = responses.reshape((responses.size,1))
model = cv2.KNearest()
model.train(samples,responses)
############################# testing part #########################
im = cv2.imread('pi.png')
out = np.zeros(im.shape,np.uint8)
gray = cv2.cvtColor(im,cv2.COLOR_BGR2GRAY)
thresh = cv2.adaptiveThreshold(gray,255,1,1,11,2)
contours,hierarchy = cv2.findContours(thresh,cv2.RETR_LIST,cv2.CHAIN_APPROX_SIMPLE)
for cnt in contours:
if cv2.contourArea(cnt)>50:
[x,y,w,h] = cv2.boundingRect(cnt)
if h>28:
cv2.rectangle(im,(x,y),(x+w,y+h),(0,255,0),2)
roi = thresh[y:y+h,x:x+w]
roismall = cv2.resize(roi,(10,10))
roismall = roismall.reshape((1,100))
roismall = np.float32(roismall)
retval, results, neigh_resp, dists = model.find_nearest(roismall, k = 1)
string = str(int((results[0][0])))
cv2.putText(out,string,(x,y+h),0,1,(0,255,0))
cv2.imshow('im',im)
cv2.imshow('out',out)
cv2.waitKey(0)
And it worked, below is the result I got:
Here it worked with 100% accuracy. I assume this is because all the digits are of the same kind and the same size.
But anyway, this is a good start to go for beginners (I hope so).
If the string has always the same format, a simple substr()
should suffice.
var newString = originalStrint.substr(4)
Here is another way to do it.It is working fine for me .
N=int(input())
num1 = list(map(int, input().split()))
num2 = list(map(int, input().split()))
sum=[]
for i in range(0,N):
sum.append(num1[i]+num2[i])
for element in sum:
print(element, end=" ")
print("")
1- create new java file (right click the package. new > class > name the file ConnectionDetector.java
2- add the following code to the file
package <add you package name> example com.example.example;
import android.content.Context;
import android.net.ConnectivityManager;
public class ConnectionDetector {
private Context mContext;
public ConnectionDetector(Context context){
this.mContext = context;
}
public boolean isConnectingToInternet(){
ConnectivityManager cm = (ConnectivityManager)mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
if(cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnected() == true)
{
return true;
}
return false;
}
}
3- open your MainActivity.java
- the activity where you want to check connection, and do the following
A- create and define the function.
ConnectionDetector mConnectionDetector;</pre>
B- inside the "OnCreate" add the following
mConnectionDetector = new ConnectionDetector(getApplicationContext());
c- to check connection use the following steps
if (mConnectionDetector.isConnectingToInternet() == false) {
//no connection- do something
} else {
//there is connection
}
I'd suggest following a few debugging steps.
First run the query directly against the DB. Confirm it is bringing results back. Even with something as simple as this you can find you've made a mistake, or the table is empty, or somesuch oddity.
If the above is ok, then try looping and echoing out the contents of $row just directly into the HTML to see what you've getting back in the mysql_query - see if it matches what you got directly in the DB.
If your data is output onto the page, then look at what's going wrong in your HTML formatting.
However, if nothing is output from $row
, then figure out why the mysql_query isn't working e.g. does the user have permission to query that DB, do you have an open DB connection, can the webserver connect to the DB etc [something on these lines can often be a gotcha]
Changing your query slightly to
$sql = mysql_query("SELECT username FROM users") or die(mysql_error());
may help to highlight any errors: php manual
I always use 010 Editor to open huge files. It can handle 2 GB easily. I was manipulating files with 50 GB with 010 Editor :-)
It's commercial now, but it has a trial version.
.contains() is the best method for lists, but for maps you will need to use .containsKey() or .containsValue()
[a:1,b:2,c:3].containsValue(3)
[a:1,b:2,c:3].containsKey('a')
"alternate shell" doesn't seem to work anymore in recent versions of Windows, RemoteApp
is the way to go.
remoteapplicationmode:i:1
remoteapplicationname:s:Purpose of the app shown to user...
remoteapplicationprogram:s:C:\...\some.exe
remoteapplicationcmdline:s:
To get this to work under e.g. Windows 10 Professional, one needs to enable some policy:
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services]
"fAllowUnlistedRemotePrograms"=dword:00000001
give the body of your iframe page an ID (or class if you wish)
<html>
<head></head>
<body id="myId">
</body>
</html>
then, also within the iframe's page, assign a background to that in CSS
#myId {
background-color: white;
}
Wildcards also work with Roberts code
echo ./fs*/* | xargs -n 1 cp test
This works best
.btn-primary.focus, .btn-primary:focus {
-webkit-box-shadow: none!important;
box-shadow: none!important;
}
//Class Name
public class ClassName {
//Make it runnable
public static void main(String args[]) throws MalformedURLException{
//Get the URL
URL img = this.getClass().getResource("src/Name.gif");
//Make it to a Icon
Icon icon = new ImageIcon(img);
//Make a new JLabel that shows "icon"
JLabel Gif = new JLabel(icon);
//Make a new Window
JFrame main = new JFrame("gif");
//adds the JLabel to the Window
main.getContentPane().add(Gif);
//Shows where and how big the Window is
main.setBounds(x, y, H, W);
//set the Default Close Operation to Exit everything on Close
main.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Open the Window
main.setVisible(true);
}
}
Probably svn import
would be the best option around. Check out Getting Data into Your Repository (in Version Control with Subversion, For Subversion).
The svn import command is a quick way to copy an unversioned tree of files into a repository, creating intermediate directories as necessary. svn import doesn't require a working copy, and your files are immediately committed to the repository. You typically use this when you have an existing tree of files that you want to begin tracking in your Subversion repository. For example:
$ svn import /path/to/mytree \ http://svn.example.com/svn/repo/some/project \ -m "Initial import" Adding mytree/foo.c Adding mytree/bar.c Adding mytree/subdir Adding mytree/subdir/quux.h Committed revision 1. $
The previous example copied the contents of the local directory mytree into the directory some/project in the repository. Note that you didn't have to create that new directory first—svn import does that for you. Immediately after the commit, you can see your data in the repository:
$ svn list http://svn.example.com/svn/repo/some/project bar.c foo.c subdir/ $
Note that after the import is finished, the original local directory is not converted into a working copy. To begin working on that data in a versioned fashion, you still need to create a fresh working copy of that tree.
Note: if you are on the same machine as the Subversion repository you can use the file://
specifier with a path rather than the https://
with a URL specifier.
You must either wrap your collection in a list (new ArrayList(c)
) or use c.toArray()
since Collections have no notion of "index" or "order".
The ASP.NET Core MVC project uses nameof
in the AccountController.cs
and ManageController.cs
with the RedirectToAction
method to reference an action in the controller.
Example:
return RedirectToAction(nameof(HomeController.Index), "Home");
This translates to:
return RedirectToAction("Index", "Home");
and takes takes the user to the 'Index' action in the 'Home' controller, i.e. /Home/Index
.
You cannot add a column with a default value in Hive. You have the right syntax for adding the column ALTER TABLE test1 ADD COLUMNS (access_count1 int);
, you just need to get rid of default sum(max_count)
. No changes to that files backing your table will happen as a result of adding the column. Hive handles the "missing" data by interpreting NULL
as the value for every cell in that column.
So now your have the problem of needing to populate the column. Unfortunately in Hive you essentially need to rewrite the whole table, this time with the column populated. It may be easier to rerun your original query with the new column. Or you could add the column to the table you have now, then select all of its columns plus value for the new column.
You also have the option to always COALESCE
the column to your desired default and leave it NULL
for now. This option fails when you want NULL
to have a meaning distinct from your desired default. It also requires you to depend on always remembering to COALESCE
.
If you are very confident in your abilities to deal with the files backing Hive, you could also directly alter them to add your default. In general I would recommend against this because most of the time it will be slower and more dangerous. There might be some case where it makes sense though, so I've included this option for completeness.
Based on Adam Tegan's answer, modified for use in a web forms application.
In the .cs class code:
public static class FileUtility
{
public static string SetJsVersion(HttpContext context, string filename) {
string version = GetJsFileVersion(context, filename);
return filename + version;
}
private static string GetJsFileVersion(HttpContext context, string filename)
{
if (context.Cache[filename] == null)
{
string filePhysicalPath = context.Server.MapPath(filename);
string version = "?v=" + GetFileLastModifiedDateTime(context, filePhysicalPath, "yyyyMMddhhmmss");
return version;
}
else
{
return string.Empty;
}
}
public static string GetFileLastModifiedDateTime(HttpContext context, string filePath, string dateFormat)
{
return new System.IO.FileInfo(filePath).LastWriteTime.ToString(dateFormat);
}
}
In the aspx markup:
<script type="text/javascript" src='<%= FileUtility.SetJsVersion(Context,"/js/exampleJavaScriptFile.js") %>'></script>
And in the rendered HTML, it appears as
<script type="text/javascript" src='/js/exampleJavaScriptFile.js?v=20150402021544'></script>
You can pass the id as part of the routeValues parameter of the RedirectToAction() method.
return RedirectToAction("Action", new { id = 99 });
This will cause a redirect to Site/Controller/Action/99. No need for temp or any kind of view data.
The settings which has been advised to change in @Diego's accepted answer might be good if you want to set this option permanently for all future query sessions that you open within SQL Server Management Studio(SSMS). This is usually not the case. Also, changing this setting requires restarting SQL Server Management Studio (SSMS) application. This is again a 'not-so-nice' experience if you've many unsaved open query session windows and you are in the middle of some debugging.
SQL Server gives a much slick option of changing it on per session basis which is very quick, handy and convenient. I'm detailing the steps below using query options window:
Query Options...
at the bottom of the context menu as shown below:Results
> Grid
in the left navigation pane. Check the Include column headers when copying or saving the results
check box in right pane as shown below:That's it. Your current session will honour your settings with immediate effect without restarting SSMS. Also, this setting won't be propagated to any future session. Effectively changing this setting on a per session basis is much less noisy.
In my case (on windows 10), it would connect fine to adb and I could type any adb
commands. But as soon as it got to the bootloader using adb reboot bootloader
I wasn't able to perform any fastboot
commands.
What I did notice that in the device manager that it refreshed when I connected to device. Next thing to do was to check what changed when connecting. Apparently the fastboot device was inside the Kedacom USB Device
. Not really sure what that was, but I updated the device to use a different driver, in my case the Fastboot interface (Google USB ID)
, and that fixed my waiting for device
issue
You can also use colnames
instead of names if you have data.frame
or matrix
Edit (2020.12.28): GitHub change default master branch to main branch since October 2020. See https://github.com/github/renaming
Update March 2013
Git 1.8.2 added the possibility to track branches.
"
git submodule
" started learning a new mode to integrate with the tip of the remote branch (as opposed to integrating with the commit recorded in the superproject's gitlink).
# add submodule to track master branch
git submodule add -b master [URL to Git repo];
# update your submodule
git submodule update --remote
If you had a submodule already present you now wish would track a branch, see "how to make an existing submodule track a branch".
Also see Vogella's tutorial on submodules for general information on submodules.
Note:
git submodule add -b . [URL to Git repo];
^^^
A special value of
.
is used to indicate that the name of the branch in the submodule should be the same name as the current branch in the current repository.
See commit b928922727d6691a3bdc28160f93f25712c565f6:
submodule add
: If --branch
is given, record it in .gitmodules
This allows you to easily record a
submodule.<name>.branch
option in.gitmodules
when you add a new submodule. With this patch,
$ git submodule add -b <branch> <repository> [<path>]
$ git config -f .gitmodules submodule.<path>.branch <branch>
reduces to
$ git submodule add -b <branch> <repository> [<path>]
This means that future calls to
$ git submodule update --remote ...
will get updates from the same branch that you used to initialize the submodule, which is usually what you want.
Signed-off-by: W. Trevor King [email protected]
Original answer (February 2012):
A submodule is a single commit referenced by a parent repo.
Since it is a Git repo on its own, the "history of all commits" is accessible through a git log
within that submodule.
So for a parent to track automatically the latest commit of a given branch of a submodule, it would need to:
gitslave (that you already looked at) seems to be the best fit, including for the commit operation.
It is a little annoying to make changes to the submodule due to the requirement to check out onto the correct submodule branch, make the change, commit, and then go into the superproject and commit the commit (or at least record the new location of the submodule).
Other alternatives are detailed here.
Use a BindingList and set the DataPropertyName-Property of the column.
Try the following:
...
private void BindGrid()
{
gvFilesOnServer.AutoGenerateColumns = false;
//create the column programatically
DataGridViewCell cell = new DataGridViewTextBoxCell();
DataGridViewTextBoxColumn colFileName = new DataGridViewTextBoxColumn()
{
CellTemplate = cell,
Name = "Value",
HeaderText = "File Name",
DataPropertyName = "Value" // Tell the column which property of FileName it should use
};
gvFilesOnServer.Columns.Add(colFileName);
var filelist = GetFileListOnWebServer().ToList();
var filenamesList = new BindingList<FileName>(filelist); // <-- BindingList
//Bind BindingList directly to the DataGrid, no need of BindingSource
gvFilesOnServer.DataSource = filenamesList
}
No, you can't. However you can use this function to repeat a character.
public String repeat(char c, int times){
StringBuffer b = new StringBuffer();
for(int i=0;i < times;i++){
b.append(c);
}
return b.toString();
}
Disclaimer: I typed it here. Might have mistakes.
I would do something like this for the code you showed, if all you need to do is toggle a value :
var oddClick = true;
$("#time").click(function() {
$(this).animate({
width: oddClick ? 260 : 30
},1500);
oddClick = !oddClick;
});
Most of the answers here are either 'UnSafe" or not LittleEndian safe. BitConverter is not LittleEndian safe. So building on an example in here (see the post by PZahra) I made a LittleEndian safe version simply by reading the byte array in reverse when BitConverter.IsLittleEndian == true
void Main(){
Console.WriteLine(BitConverter.IsLittleEndian);
byte[] bytes = BitConverter.GetBytes(0xdcbaabcdfffe1608);
//Console.WriteLine(bytes);
string hexStr = ByteArrayToHex(bytes);
Console.WriteLine(hexStr);
}
public static string ByteArrayToHex(byte[] data)
{
char[] c = new char[data.Length * 2];
byte b;
if(BitConverter.IsLittleEndian)
{
//read the byte array in reverse
for (int y = data.Length -1, x = 0; y >= 0; --y, ++x)
{
b = ((byte)(data[y] >> 4));
c[x] = (char)(b > 9 ? b + 0x37 : b + 0x30);
b = ((byte)(data[y] & 0xF));
c[++x] = (char)(b > 9 ? b + 0x37 : b + 0x30);
}
}
else
{
for (int y = 0, x = 0; y < data.Length; ++y, ++x)
{
b = ((byte)(data[y] >> 4));
c[x] = (char)(b > 9 ? b + 0x37 : b + 0x30);
b = ((byte)(data[y] & 0xF));
c[++x] = (char)(b > 9 ? b + 0x37 : b + 0x30);
}
}
return String.Concat("0x",new string(c));
}
It returns this:
True
0xDCBAABCDFFFE1608
which is the exact hex that went into the byte array.
Using onBackPressed()
method:
@Override
public void onBackPressed() {
android.os.Process.killProcess(android.os.Process.myPid());
}
or use the finish()
method, I have something like
//Password Error, I call function
Quit();
protected void Quit() {
super.finish();
}
With super.finish() you close the super class's activity.
Definitely a matter of style. I prefer constructors with default parameters, so long as the parameters make sense. Classes in the standard use them as well, which speaks in their favor.
One thing to watch out for is if you have defaults for all but one parameter, your class can be implicitly converted from that parameter type. Check out this thread for more info.
For a combobox (http://en.wikipedia.org/wiki/Combo_box) which allows free text input and has a dropdown listbox I used a AutoCompleteTextView
as suggested by vbence.
I used the onClickListener
to display the dropdown list box when the user selects the control.
I believe this resembles this kind of a combobox best.
private static final String[] STUFF = new String[] { "Thing 1", "Thing 2" };
public void onCreate(Bundle b) {
final AutoCompleteTextView view =
(AutoCompleteTextView) findViewById(R.id.myAutoCompleteTextView);
view.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
view.showDropDown();
}
});
final ArrayAdapter<String> adapter = new ArrayAdapter<String>(
this,
android.R.layout.simple_dropdown_item_1line,
STUFF
);
view.setAdapter(adapter);
}
window.location.href = window.location.href
very clean way for postgres is using the postgres-array ("{}"):
$ids = array(1,4,7,9,45);
$param = "{".implode(', ',$ids)."}";
$cmd = $db->prepare("SELECT * FROM table WHERE id = ANY (?)");
$result = $cmd->execute(array($param));
If you use Wordpress you can just use the wordpress build in function with the video id provided wp_get_attachment_metadata($videoID):
wp_get_attachment_metadata($videoID);
helped me a lot. thats why i'm posting it, although its just for wordpress users.
Use Emacs-like keybinding, it's TAB :P
There is an hard limit on how much data can be stored in a single row of a mysql table, regardless of the number of columns or the individual column length.
As stated in the OFFICIAL DOCUMENTATION
The maximum row size constrains the number (and possibly size) of columns because the total length of all columns cannot exceed this size. For example, utf8 characters require up to three bytes per character, so for a CHAR(255) CHARACTER SET utf8 column, the server must allocate 255 × 3 = 765 bytes per value. Consequently, a table cannot contain more than 65,535 / 765 = 85 such columns.
Storage for variable-length columns includes length bytes, which are assessed against the row size. For example, a VARCHAR(255) CHARACTER SET utf8 column takes two bytes to store the length of the value, so each value can take up to 767 bytes.
Here you can find INNODB TABLES LIMITATIONS
This is what you need in 1 line of code.
Route::get('/groups/{groupId}', 'GroupsController@getShow');
Suggestion: Use CamelCase as opposed to underscores, try & follow PSR-* guidelines.
Hope it helps.
$ git rev-parse HEAD 273cf91b4057366a560b9ddcee8fe58d4c21e6cb
Update:
Alternatively (if you have tags):
(Good for naming a version, not very good for passing back to git.)
$ git describe v0.1.49-localhost-ag-1-g273cf91
Or (as Mark suggested, listing here for completeness):
$ git show --oneline -s c0235b7 Autorotate uploaded images based on EXIF orientation
Just in case someone from Blogger arrives, I had this problem when using Beautify
extension in VSCode. Don´t use it, don´t beautify
it.
Insert a column, for instance a new A column. Then use this function;
="k"&B1
and copy it down.
Then you can hide the new column A if you need too.
You can drop the database
and then recreate it with the below:-
mysql> drop database [database name];
mysql> create database [database name];
As MDN Window.history() describes :
For top-level pages you can see the list of pages in the session history, accessible via the History object, in the browser's dropdowns next to the back and forward buttons.
For security reasons the History object doesn't allow the non-privileged code to access the URLs of other pages in the session history, but it does allow it to navigate the session history.
There is no way to clear the session history or to disable the back/forward navigation from unprivileged code. The closest available solution is the location.replace() method, which replaces the current item of the session history with the provided URL.
So there is no Javascript method to clear the session history, instead, if you want to block navigating back to a certain page, you can use the location.replace() method, and pass the page link as parameter, which will not push the page to the browser's session history list. For example, there are three pages:
a.html:
<!doctype html>
<html>
<head>
<title>a.html page</title>
<meta charset="utf-8">
</head>
<body>
<p>This is <code style="color:red">a.html</code> page ! Go to <a href="b.html">b.html</a> page !</p>
</body>
</html>
b.html:
<!doctype html>
<html>
<head>
<title>b.html page</title>
<meta charset="utf-8">
</head>
<body>
<p>This is <code style="color:red">b.html</code> page ! Go to <a id="jumper" href="c.html">c.html</a> page !</p>
<script type="text/javascript">
var jumper = document.getElementById("jumper");
jumper.onclick = function(event) {
var e = event || window.event ;
if(e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = true ;
}
location.replace(this.href);
jumper = null;
}
</script>
</body>
c.html:
<!doctype html>
<html>
<head>
<title>c.html page</title>
<meta charset="utf-8">
</head>
<body>
<p>This is <code style="color:red">c.html</code> page</p>
</body>
</html>
With href link, we can navigate from a.html to b.html to c.html. In b.html, we use the location.replace(c.html)
method to navigate from b.html to c.html. Finally, we go to c.html*, and if we click the back button in the browser, we will jump to **a.html.
So this is it! Hope it helps.
Think of !
(negation operator) as "not", ||
(boolean-or operator) as "or" and &&
(boolean-and operator) as "and". See Operators and Operator Precedence.
Thus:
if(!(a || b)) {
// means neither a nor b
}
However, using De Morgan's Law, it could be written as:
if(!a && !b) {
// is not a and is not b
}
a
and b
above can be any expression (such as test == 'B'
or whatever it needs to be).
Once again, if test == 'A'
and test == 'B'
, are the expressions, note the expansion of the 1st form:
// if(!(a || b))
if(!((test == 'A') || (test == 'B')))
// or more simply, removing the inner parenthesis as
// || and && have a lower precedence than comparison and negation operators
if(!(test == 'A' || test == 'B'))
// and using DeMorgan's, we can turn this into
// this is the same as substituting into if(!a && !b)
if(!(test == 'A') && !(test == 'B'))
// and this can be simplified as !(x == y) is the same as (x != y)
if(test != 'A' && test != 'B')
Actually isset just check if the variable sets or not.In this case if you want to check if your variable is really zero or empty you can use this example:
$myVar = '';
if (empty($myVar))
{
echo "Its empty";
}
echo "<br/>";
if ($myVar===0)
{
echo "also zero!";
}
just for notice $myVar==0 act like empty function.
I have done it this way (example):
String query="SELECT count(t1.id) from t1, t2 where t1.id=t2.id and t2.email='"[email protected]"'";
int count=0;
try {
ResultSet rs = DatabaseService.statementDataBase().executeQuery(query);
while(rs.next())
count=rs.getInt(1);
} catch (SQLException e) {
e.printStackTrace();
} finally {
//...
}
Well I had the same problem and I realised that the problem is that I copied code from another python editor to sublime.
I was working with jupyter notebook and then I copied the code into sublime. Apparently when you make specific modifications (like moving code in functions) then indentation gets messy and this is where the problem comes from.
So just stick to one editor. If you do so, then you will be having no problem.
You can use the query
function, so if your data were in col A where the first row was the column title...
=query(A2:A,"select A, count(A) where A != '' group by A order by count(A) desc label A 'City'", 0)
yields
City count
London 2
Paris 2
Berlin 1
Rome 1
Link to working Google Sheet.
https://docs.google.com/spreadsheets/d/1N5xw8-YP2GEPYOaRkX8iRA6DoeRXI86OkfuYxwXUCbc/edit#gid=0
Answer suggested by @Stacy Simpson:
We are struggling with the issue described in these threads and none of the resolutions seem to work:
As I'm new to SO, I cannot post in either thread. (The first one is actually closed and I disagree with the localization reasoning...)
Anyway, we created a work-around using AppleScript that folks may be interested in. The script below should be executed asynchronously prior to launching your automated test:
osascript <script name> <password> &
Here is the script:
on run argv
# Delay for 10 seconds as this script runs asynchronously to the automation process and is kicked off first.
delay 10
# Inspect all running processes
tell application "System Events"
set ProcessList to name of every process
# Determine if authentication is being requested
if "SecurityAgent" is in ProcessList then
# Bring this dialogue to the front
tell application "SecurityAgent" to activate
# Enter provided password
keystroke item 1 of argv
keystroke return
end if
end tell
end run
Probably not very secure, but it's the best work-around we've come up with to allow tests to run without requiring user intervention.
Hopefully, I can get enough points to post the answer; or, someone can unprotect this question. Regards.
You can only use absolute path http://grand-shopping.com/<"some folder"> is not an absolute path.
Either you can use a path inside the application which is vurneable or you can use server specific path like in
windows -> C:/Users/puneet verma/Downloads/
linux -> /opt/Downloads/
That's not how ASP.NET MVC is supposed to be used. You do not redirect from views. You redirect from the corresponding controller action:
public ActionResult SomeAction()
{
...
return RedirectToAction("SomeAction", "SomeController");
}
Now since I see that in your example you are attempting to redirect to the LogOn
action, you don't really need to do this redirect manually, but simply decorate the controller action that requires authentication with the [Authorize]
attribute:
[Authorize]
public ActionResult SomeProtectedAction()
{
...
}
Now when some anonymous user attempts to access this controller action, the Forms Authentication module will automatically intercept the request much before it hits the action and redirect the user to the LogOn action that you have specified in your web.config (loginUrl
).
There is no such method as java.util.Random.getRandomDigits
.
To get a random number use nextInt:
return random.nextInt(10 ** num)
Also you should create the random object once when your application starts:
Random random = new Random()
You should not create a new random object every time you want a new random number. Doing this destroys the randomness.
An anonymous function is not a function with the name "". It is simply a function without a name.
Like any other value in JavaScript, a function does not need a name to be created. Though it is far more useful to actually bind it to a name just like any other value.
But like any other value, you sometimes want to use it without binding it to a name. That's the self-invoking pattern.
Here is a function and a number, not bound, they do nothing and can never be used:
function(){ alert("plop"); }
2;
So we have to store them in a variable to be able to use them, just like any other value:
var f = function(){ alert("plop"); }
var n = 2;
You can also use syntatic sugar to bind the function to a variable:
function f(){ alert("plop"); }
var n = 2;
But if naming them is not required and would lead to more confusion and less readability, you could just use them right away.
(function(){ alert("plop"); })(); // will display "plop"
alert(2 + 3); // will display 5
Here, my function and my numbers are not bound to a variable, but they can still be used.
Said like this, it looks like self-invoking function have no real value. But you have to keep in mind that JavaScript scope delimiter is the function and not the block ({}).
So a self-invoking function actually has the same meaning as a C++, C# or Java block. Which means that variable created inside will not "leak" outside the scope. This is very useful in JavaScript in order not to pollute the global scope.
keras.callbacks.TensorBoard(log_dir='./Graph', histogram_freq=0,
write_graph=True, write_images=True)
This line creates a Callback Tensorboard object, you should capture that object and give it to the fit
function of your model.
tbCallBack = keras.callbacks.TensorBoard(log_dir='./Graph', histogram_freq=0, write_graph=True, write_images=True)
...
model.fit(...inputs and parameters..., callbacks=[tbCallBack])
This way you gave your callback object to the function. It will be run during the training and will output files that can be used with tensorboard.
If you want to visualize the files created during training, run in your terminal
tensorboard --logdir path_to_current_dir/Graph
Hope this helps !
.centerDiv {
position: absolute;
left: 0;
right: 0;
margin: 0 auto;
text-align:center;
}
There should be three pages here:
I don't see this short, linear flow being sufficiently complex to warrant using Spring Web Flow.
I would just use straight Spring Web MVC for steps 1 and 2. I wouldn't use Spring Security for the initial login form, because Spring Security's login form expects a password and a login processing URL. Similarly, Spring Security doesn't provide special support for CAPTCHAs or security questions, so you can just use Spring Web MVC once again.
You can handle step 3 using Spring Security, since now you have a username and a password. The form login page should display the security image, and it should include the user-provided username as a hidden form field to make Spring Security happy when the user submits the login form. The only way to get to step 3 is to have a successful POST
submission on step 1 (and 2 if applicable).
One of the best options is to go for MongoDB(NOSql dB) that supports scalability.Stores large amounts of data nothing but bigdata in the form of documents unlike rows and tables in sql.This is fasters that follows sharding of the data.Uses replicasets to ensure data guarantee that maintains multiple servers having primary db server as the base. Language independent. Flexible to use
Putting it all together:
REGEX
doesn't validate values (like "2010-19-19") SimpleDateFormat
does not check format ("2010-1-2", "1-0002-003" are accepted) it's necessary to use both to validate format and value:
public static boolean isValid(String text) {
if (text == null || !text.matches("\\d{4}-[01]\\d-[0-3]\\d"))
return false;
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
df.setLenient(false);
try {
df.parse(text);
return true;
} catch (ParseException ex) {
return false;
}
}
private static final ThreadLocal<SimpleDateFormat> format = new ThreadLocal<SimpleDateFormat>() {
@Override
protected SimpleDateFormat initialValue() {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
df.setLenient(false);
System.out.println("created");
return df;
}
};
public static boolean isValid(String text) {
if (text == null || !text.matches("\\d{4}-[01]\\d-[0-3]\\d"))
return false;
try {
format.get().parse(text);
return true;
} catch (ParseException ex) {
return false;
}
}
(same can be done for a Matcher, that also is not thread safe)
java 1.6.0_21 or later, or so...
$ java -XX:+PrintFlagsFinal -version 2>&1 | grep MaxHeapSize
uintx MaxHeapSize := 12660904960 {product}
It looks like the min(1G) has been removed.
Or on Windows using findstr
C:\>java -XX:+PrintFlagsFinal -version 2>&1 | findstr MaxHeapSize
Why not check if for nothing?
if not inputbox("bleh") = nothing then
'Code
else
' Error
end if
This is what i typically use, because its a little easier to read.
@@
denotes a class variable, i.e. it can be inherited.
This means that if you create a subclass of that class, it will inherit the variable. So if you have a class Vehicle
with the class variable @@number_of_wheels
then if you create a class Car < Vehicle
then it too will have the class variable @@number_of_wheels
function getLocaleDateString() {
const formats = {
"af-ZA": "yyyy/MM/dd",
"am-ET": "d/M/yyyy",
"ar-AE": "dd/MM/yyyy",
"ar-BH": "dd/MM/yyyy",
"ar-DZ": "dd-MM-yyyy",
"ar-EG": "dd/MM/yyyy",
"ar-IQ": "dd/MM/yyyy",
"ar-JO": "dd/MM/yyyy",
"ar-KW": "dd/MM/yyyy",
"ar-LB": "dd/MM/yyyy",
"ar-LY": "dd/MM/yyyy",
"ar-MA": "dd-MM-yyyy",
"ar-OM": "dd/MM/yyyy",
"ar-QA": "dd/MM/yyyy",
"ar-SA": "dd/MM/yy",
"ar-SY": "dd/MM/yyyy",
"ar-TN": "dd-MM-yyyy",
"ar-YE": "dd/MM/yyyy",
"arn-CL": "dd-MM-yyyy",
"as-IN": "dd-MM-yyyy",
"az-Cyrl-AZ": "dd.MM.yyyy",
"az-Latn-AZ": "dd.MM.yyyy",
"ba-RU": "dd.MM.yy",
"be-BY": "dd.MM.yyyy",
"bg-BG": "dd.M.yyyy",
"bn-BD": "dd-MM-yy",
"bn-IN": "dd-MM-yy",
"bo-CN": "yyyy/M/d",
"br-FR": "dd/MM/yyyy",
"bs-Cyrl-BA": "d.M.yyyy",
"bs-Latn-BA": "d.M.yyyy",
"ca-ES": "dd/MM/yyyy",
"co-FR": "dd/MM/yyyy",
"cs-CZ": "d.M.yyyy",
"cy-GB": "dd/MM/yyyy",
"da-DK": "dd-MM-yyyy",
"de-AT": "dd.MM.yyyy",
"de-CH": "dd.MM.yyyy",
"de-DE": "dd.MM.yyyy",
"de-LI": "dd.MM.yyyy",
"de-LU": "dd.MM.yyyy",
"dsb-DE": "d. M. yyyy",
"dv-MV": "dd/MM/yy",
"el-GR": "d/M/yyyy",
"en-029": "MM/dd/yyyy",
"en-AU": "d/MM/yyyy",
"en-BZ": "dd/MM/yyyy",
"en-CA": "dd/MM/yyyy",
"en-GB": "dd/MM/yyyy",
"en-IE": "dd/MM/yyyy",
"en-IN": "dd-MM-yyyy",
"en-JM": "dd/MM/yyyy",
"en-MY": "d/M/yyyy",
"en-NZ": "d/MM/yyyy",
"en-PH": "M/d/yyyy",
"en-SG": "d/M/yyyy",
"en-TT": "dd/MM/yyyy",
"en-US": "M/d/yyyy",
"en-ZA": "yyyy/MM/dd",
"en-ZW": "M/d/yyyy",
"es-AR": "dd/MM/yyyy",
"es-BO": "dd/MM/yyyy",
"es-CL": "dd-MM-yyyy",
"es-CO": "dd/MM/yyyy",
"es-CR": "dd/MM/yyyy",
"es-DO": "dd/MM/yyyy",
"es-EC": "dd/MM/yyyy",
"es-ES": "dd/MM/yyyy",
"es-GT": "dd/MM/yyyy",
"es-HN": "dd/MM/yyyy",
"es-MX": "dd/MM/yyyy",
"es-NI": "dd/MM/yyyy",
"es-PA": "MM/dd/yyyy",
"es-PE": "dd/MM/yyyy",
"es-PR": "dd/MM/yyyy",
"es-PY": "dd/MM/yyyy",
"es-SV": "dd/MM/yyyy",
"es-US": "M/d/yyyy",
"es-UY": "dd/MM/yyyy",
"es-VE": "dd/MM/yyyy",
"et-EE": "d.MM.yyyy",
"eu-ES": "yyyy/MM/dd",
"fa-IR": "MM/dd/yyyy",
"fi-FI": "d.M.yyyy",
"fil-PH": "M/d/yyyy",
"fo-FO": "dd-MM-yyyy",
"fr-BE": "d/MM/yyyy",
"fr-CA": "yyyy-MM-dd",
"fr-CH": "dd.MM.yyyy",
"fr-FR": "dd/MM/yyyy",
"fr-LU": "dd/MM/yyyy",
"fr-MC": "dd/MM/yyyy",
"fy-NL": "d-M-yyyy",
"ga-IE": "dd/MM/yyyy",
"gd-GB": "dd/MM/yyyy",
"gl-ES": "dd/MM/yy",
"gsw-FR": "dd/MM/yyyy",
"gu-IN": "dd-MM-yy",
"ha-Latn-NG": "d/M/yyyy",
"he-IL": "dd/MM/yyyy",
"hi-IN": "dd-MM-yyyy",
"hr-BA": "d.M.yyyy.",
"hr-HR": "d.M.yyyy",
"hsb-DE": "d. M. yyyy",
"hu-HU": "yyyy. MM. dd.",
"hy-AM": "dd.MM.yyyy",
"id-ID": "dd/MM/yyyy",
"ig-NG": "d/M/yyyy",
"ii-CN": "yyyy/M/d",
"is-IS": "d.M.yyyy",
"it-CH": "dd.MM.yyyy",
"it-IT": "dd/MM/yyyy",
"iu-Cans-CA": "d/M/yyyy",
"iu-Latn-CA": "d/MM/yyyy",
"ja-JP": "yyyy/MM/dd",
"ka-GE": "dd.MM.yyyy",
"kk-KZ": "dd.MM.yyyy",
"kl-GL": "dd-MM-yyyy",
"km-KH": "yyyy-MM-dd",
"kn-IN": "dd-MM-yy",
"ko-KR": "yyyy-MM-dd",
"kok-IN": "dd-MM-yyyy",
"ky-KG": "dd.MM.yy",
"lb-LU": "dd/MM/yyyy",
"lo-LA": "dd/MM/yyyy",
"lt-LT": "yyyy.MM.dd",
"lv-LV": "yyyy.MM.dd.",
"mi-NZ": "dd/MM/yyyy",
"mk-MK": "dd.MM.yyyy",
"ml-IN": "dd-MM-yy",
"mn-MN": "yy.MM.dd",
"mn-Mong-CN": "yyyy/M/d",
"moh-CA": "M/d/yyyy",
"mr-IN": "dd-MM-yyyy",
"ms-BN": "dd/MM/yyyy",
"ms-MY": "dd/MM/yyyy",
"mt-MT": "dd/MM/yyyy",
"nb-NO": "dd.MM.yyyy",
"ne-NP": "M/d/yyyy",
"nl-BE": "d/MM/yyyy",
"nl-NL": "d-M-yyyy",
"nn-NO": "dd.MM.yyyy",
"nso-ZA": "yyyy/MM/dd",
"oc-FR": "dd/MM/yyyy",
"or-IN": "dd-MM-yy",
"pa-IN": "dd-MM-yy",
"pl-PL": "yyyy-MM-dd",
"prs-AF": "dd/MM/yy",
"ps-AF": "dd/MM/yy",
"pt-BR": "d/M/yyyy",
"pt-PT": "dd-MM-yyyy",
"qut-GT": "dd/MM/yyyy",
"quz-BO": "dd/MM/yyyy",
"quz-EC": "dd/MM/yyyy",
"quz-PE": "dd/MM/yyyy",
"rm-CH": "dd/MM/yyyy",
"ro-RO": "dd.MM.yyyy",
"ru-RU": "dd.MM.yyyy",
"rw-RW": "M/d/yyyy",
"sa-IN": "dd-MM-yyyy",
"sah-RU": "MM.dd.yyyy",
"se-FI": "d.M.yyyy",
"se-NO": "dd.MM.yyyy",
"se-SE": "yyyy-MM-dd",
"si-LK": "yyyy-MM-dd",
"sk-SK": "d. M. yyyy",
"sl-SI": "d.M.yyyy",
"sma-NO": "dd.MM.yyyy",
"sma-SE": "yyyy-MM-dd",
"smj-NO": "dd.MM.yyyy",
"smj-SE": "yyyy-MM-dd",
"smn-FI": "d.M.yyyy",
"sms-FI": "d.M.yyyy",
"sq-AL": "yyyy-MM-dd",
"sr-Cyrl-BA": "d.M.yyyy",
"sr-Cyrl-CS": "d.M.yyyy",
"sr-Cyrl-ME": "d.M.yyyy",
"sr-Cyrl-RS": "d.M.yyyy",
"sr-Latn-BA": "d.M.yyyy",
"sr-Latn-CS": "d.M.yyyy",
"sr-Latn-ME": "d.M.yyyy",
"sr-Latn-RS": "d.M.yyyy",
"sv-FI": "d.M.yyyy",
"sv-SE": "yyyy-MM-dd",
"sw-KE": "M/d/yyyy",
"syr-SY": "dd/MM/yyyy",
"ta-IN": "dd-MM-yyyy",
"te-IN": "dd-MM-yy",
"tg-Cyrl-TJ": "dd.MM.yy",
"th-TH": "d/M/yyyy",
"tk-TM": "dd.MM.yy",
"tn-ZA": "yyyy/MM/dd",
"tr-TR": "dd.MM.yyyy",
"tt-RU": "dd.MM.yyyy",
"tzm-Latn-DZ": "dd-MM-yyyy",
"ug-CN": "yyyy-M-d",
"uk-UA": "dd.MM.yyyy",
"ur-PK": "dd/MM/yyyy",
"uz-Cyrl-UZ": "dd.MM.yyyy",
"uz-Latn-UZ": "dd/MM yyyy",
"vi-VN": "dd/MM/yyyy",
"wo-SN": "dd/MM/yyyy",
"xh-ZA": "yyyy/MM/dd",
"yo-NG": "d/M/yyyy",
"zh-CN": "yyyy/M/d",
"zh-HK": "d/M/yyyy",
"zh-MO": "d/M/yyyy",
"zh-SG": "d/M/yyyy",
"zh-TW": "yyyy/M/d",
"zu-ZA": "yyyy/MM/dd",
};
return formats[navigator.language] || "dd/MM/yyyy";
}
Volatile is also useful, when you want to force the compiler not to optimize a specific code sequence (e.g. for writing a micro-benchmark).
You might try reducing your base memory under settings to around 3175MB and reduce your cores to 1. That should work given that your BIOS is set for virtualization. Use the f12 key, security, virtualization to make sure that it is enabled. If it doesn't say VT-x that is ok, it should say VT-d or the like.
class C:
a = 5
b = [1,2,3]
def foobar():
b = "hi"
for attr, value in C.__dict__.iteritems():
print "Attribute: " + str(attr or "")
print "Value: " + str(value or "")
Prints:
python test.py
Attribute: a
Value: 5
Attribute: foobar
Value: <function foobar at 0x7fe74f8bfc08>
Attribute: __module__
Value: __main__
Attribute: b
Value: [1, 2, 3]
Attribute: __doc__
Value:
Use pkill -f
, which matches the pattern for any part of the command line
pkill -f my_pattern
Use substring and concatenate:
if(str.length() > 50)
strOut = str.substring(0,7) + "...";
You're thinking about this the wrong way. You're thinking in logical steps each time cin
or getline
is used. Ex. First ask for a number, then ask for a name. That is the wrong way to think about cin
. So you run into a race condition because you assume the stream is clear each time you ask for a input.
If you write your program purely for input you'll find the problem:
void main(void)
{
double num;
string mystr;
cin >> num;
getline(cin, mystr);
cout << "num=" << num << ",mystr=\'" << mystr << "\'" << endl;
}
In the above, you are thinking, "first get a number." So you type in 123
press enter, and your output will be num=123,mystr=''
. Why is that? It's because in the stream you have 123\n
and the 123
is parsed into the num
variable while \n
is still in the stream. Reading the doc for getline
function by default it will look in the istream
until a \n
is encountered. In this example, since \n
is in the stream, it looks like it "skipped" it but it worked properly.
For the above to work, you'll have to enter 123Hello World
which will properly output num=123,mystr='Hello World'
. That, or you put a cin.ignore
between the cin
and getline
so that it'll break into logical steps that you expect.
This is why you need the ignore
command. Because you are thinking of it in logical steps rather than in a stream form so you run into a race condition.
Take another code example that is commonly found in schools:
void main(void)
{
int age;
string firstName;
string lastName;
cout << "First name: ";
cin >> firstName;
cout << "Last name: ";
cin >> lastName;
cout << "Age: ";
cin >> age;
cout << "Hello " << firstName << " " << lastName << "! You are " << age << " years old!" << endl;
}
The above seems to be in logical steps. First ask for first name, last name, then age. So if you did John
enter, then Doe
enter, then 19
enter, the application works each logic step. If you think of it in "streams" you can simply enter John Doe 19
on the "First name:" question and it would work as well and appear to skip the remaining questions. For the above to work in logical steps, you would need to ignore
the remaining stream for each logical break in questions.
Just remember to think of your program input as it is reading from a "stream" and not in logical steps. Each time you call cin
it is being read from a stream. This creates a rather buggy application if the user enters the wrong input. For example, if you entered a character where a cin >> double
is expected, the application will produce a seemingly bizarre output.
Try
$sqlupdate1 = "UPDATE table SET commodity_quantity=$qty WHERE user={$rows['user']} ";
You need curly brackets for array access in double quoted strings.
Just want to add that you can debug android apps using Genymotion. It's WAY faster then the stock android emulator.
If you want to be very permissive, required only two final digits with comma or dot:
^([,.\d]+)([,.]\d{2})$
I'd use popen() (++waqas).
But sometimes you need reading and writing...
It seems like nobody does things the hard way any more.
(Assuming a Unix/Linux/Mac environment, or perhaps Windows with a POSIX compatibility layer...)
enum PIPE_FILE_DESCRIPTERS
{
READ_FD = 0,
WRITE_FD = 1
};
enum CONSTANTS
{
BUFFER_SIZE = 100
};
int
main()
{
int parentToChild[2];
int childToParent[2];
pid_t pid;
string dataReadFromChild;
char buffer[BUFFER_SIZE + 1];
ssize_t readResult;
int status;
ASSERT_IS(0, pipe(parentToChild));
ASSERT_IS(0, pipe(childToParent));
switch (pid = fork())
{
case -1:
FAIL("Fork failed");
exit(-1);
case 0: /* Child */
ASSERT_NOT(-1, dup2(parentToChild[READ_FD], STDIN_FILENO));
ASSERT_NOT(-1, dup2(childToParent[WRITE_FD], STDOUT_FILENO));
ASSERT_NOT(-1, dup2(childToParent[WRITE_FD], STDERR_FILENO));
ASSERT_IS(0, close(parentToChild [WRITE_FD]));
ASSERT_IS(0, close(childToParent [READ_FD]));
/* file, arg0, arg1, arg2 */
execlp("ls", "ls", "-al", "--color");
FAIL("This line should never be reached!!!");
exit(-1);
default: /* Parent */
cout << "Child " << pid << " process running..." << endl;
ASSERT_IS(0, close(parentToChild [READ_FD]));
ASSERT_IS(0, close(childToParent [WRITE_FD]));
while (true)
{
switch (readResult = read(childToParent[READ_FD],
buffer, BUFFER_SIZE))
{
case 0: /* End-of-File, or non-blocking read. */
cout << "End of file reached..." << endl
<< "Data received was ("
<< dataReadFromChild.size() << "): " << endl
<< dataReadFromChild << endl;
ASSERT_IS(pid, waitpid(pid, & status, 0));
cout << endl
<< "Child exit staus is: " << WEXITSTATUS(status) << endl
<< endl;
exit(0);
case -1:
if ((errno == EINTR) || (errno == EAGAIN))
{
errno = 0;
break;
}
else
{
FAIL("read() failed");
exit(-1);
}
default:
dataReadFromChild . append(buffer, readResult);
break;
}
} /* while (true) */
} /* switch (pid = fork())*/
}
You also might want to play around with select() and non-blocking reads.
fd_set readfds;
struct timeval timeout;
timeout.tv_sec = 0; /* Seconds */
timeout.tv_usec = 1000; /* Microseconds */
FD_ZERO(&readfds);
FD_SET(childToParent[READ_FD], &readfds);
switch (select (1 + childToParent[READ_FD], &readfds, (fd_set*)NULL, (fd_set*)NULL, & timeout))
{
case 0: /* Timeout expired */
break;
case -1:
if ((errno == EINTR) || (errno == EAGAIN))
{
errno = 0;
break;
}
else
{
FAIL("Select() Failed");
exit(-1);
}
case 1: /* We have input */
readResult = read(childToParent[READ_FD], buffer, BUFFER_SIZE);
// However you want to handle it...
break;
default:
FAIL("How did we see input on more than one file descriptor?");
exit(-1);
}
If you're rolling your own modules specific to your application, you can either:
Keep those (and only those) in your application's /node_modules
folder and move out all the other dependencies to parent ../node_modules
folder. This will work because of how NodeJS CommonJS modules system works by moving up to the parent directory, and so on, until the root of the tree is reached. See: https://nodejs.org/api/modules.html
Or gitignore all /node_modules/*
except your /node_modules/your-modules
. See: Make .gitignore ignore everything except a few files
This use case is pretty awesome. It lets you keep modules you created specifically for your application nicely with it and doesn't clutter with dependencies which can be installed later.
I used the plugin Smooth Scroll, at http://plugins.jquery.com/smooth-scroll/. With this plugin all you need to include is a link to jQuery and to the plugin code:
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript" src="javascript/smoothscroll.js"></script>
(the links need to have the class smoothScroll
to work).
Another feature of Smooth Scroll is that the ancor name is not displayed in the URL!
Setup JAVA_OPTS as a system variable with the following content:
JAVA_OPTS="-Xms256m -Xmx512m"
After that in a command prompt run the following commands:
SET JAVA_OPTS="-Xms256m -Xmx512m"
This can be explained as follows:
These values should be changed according to application requirements.
EDIT:
You can also try adding it through the Environment Properties menu which can be found at:
EDIT 2:
JAVA_OPTS is a system variable that stores various settings/configurations for your local Java Virtual Machine. By having JAVA_OPTS set as a system variable all applications running on top of the JVM will take their settings from this parameter.
To setup a system variable you have to complete the steps listed above from 1 to 4.
You don't need the user switch for ps.
kill `ps ax | grep 'python csp_build.py' | awk '{print $1}'`
I solved a problem I encountered in this link and I find out that there is a simple solution for your question. You could use router-link-active
instead in your styles.
@Component({
styles: [`.router-link-active { background-color: red; }`]
})
export class NavComponent {
}
The first part of your question is easy. As already pointed out, cut accepts omission of either the starting or the ending index of a column range, interpreting this as meaning either “from the start to column n (inclusive)” or “from column n (inclusive) to the end,” respectively:
$ printf 'this:is:a:test' | cut -d: -f-2
this:is
$ printf 'this:is:a:test' | cut -d: -f3-
a:test
It also supports combining ranges. If you want, e.g., the first 3 and the last 2 columns in a row of 7 columns:
$ printf 'foo:bar:baz:qux:quz:quux:quuz' | cut -d: -f-3,6-
foo:bar:baz:quux:quuz
However, the second part of your question can be a bit trickier depending on what kind of input you’re expecting. If by “last n columns” you mean “last n columns (regardless of their indices in the overall row)” (i.e. because you don’t necessarily know how many columns you’re going to find in advance) then sadly this is not possible to accomplish using cut
alone. In order to effectively use cut
to pull out “the last n columns” in each line, the total number of columns present in each line must be known beforehand, and each line must be consistent in the number of columns it contains.
If you do not know how many “columns” may be present in each line (e.g. because you’re working with input that is not strictly tabular), then you’ll have to use something like awk
instead. E.g., to use awk
to pull out the last 2 “columns” (awk calls them fields, the number of which can vary per line) from each line of input:
$ printf '/a\n/a/b\n/a/b/c\n/a/b/c/d\n' | awk -F/ '{print $(NF-1) FS $(NF)}'
/a
a/b
b/c
c/d
Because the dot is inside character class (square brackets []
).
Take a look at http://www.regular-expressions.info/reference.html, it says (under char class section):
Any character except ^-]\ add that character to the possible matches for the character class.
firstOrNew
will create record if not exist and updating a row if already exist.
You can also use updateOrCreate
here is the full example
$flight = App\Flight::updateOrCreate(
['departure' => 'Oakland', 'destination' => 'San Diego'],
['price' => 99]
);
If there's a flight from Oakland to San Diego, set the price to $99. if not exist create new row
Reference Doc here: (https://laravel.com/docs/5.5/eloquent)