In format function your can use timestamp_format function. Example, if the format is YYYYMMDD you can do it :
select TIMESTAMP_FORMAT(yourcolumnchar, 'YYYYMMDD') as YouTimeStamp
from yourtable
you can then adapt then format with elements format foundable here
You need to delete all "_maven.repositories" files from your repository.
You could say that line is correct in most scripting languages, since the extra character results in slightly slower code processing. However, as the top answer pointed out, it should have no effect in C++, and anything being done with a scripting language probably isn't that concerned about optimization.
I managed to render the following SELECT with SQLAlchemy on both layers.
SELECT count(*) AS count_1
FROM "table"
from sqlalchemy import select, func, Integer, Table, Column, MetaData
metadata = MetaData()
table = Table("table", metadata,
Column('primary_key', Integer),
Column('other_column', Integer) # just to illustrate
)
print select([func.count()]).select_from(table)
You just subclass Query
(you have probably anyway) and provide a specialized count()
method, like this one.
from sqlalchemy.sql.expression import func
class BaseQuery(Query):
def count_star(self):
count_query = (self.statement.with_only_columns([func.count()])
.order_by(None))
return self.session.execute(count_query).scalar()
Please note that order_by(None)
resets the ordering of the query, which is irrelevant to the counting.
Using this method you can have a count(*)
on any ORM Query, that will honor all the filter
andjoin
conditions already specified.
How can I find all subclasses of a class given its name?
We can certainly easily do this given access to the object itself, yes.
Simply given its name is a poor idea, as there can be multiple classes of the same name, even defined in the same module.
I created an implementation for another answer, and since it answers this question and it's a little more elegant than the other solutions here, here it is:
def get_subclasses(cls):
"""returns all subclasses of argument, cls"""
if issubclass(cls, type):
subclasses = cls.__subclasses__(cls)
else:
subclasses = cls.__subclasses__()
for subclass in subclasses:
subclasses.extend(get_subclasses(subclass))
return subclasses
Usage:
>>> import pprint
>>> list_of_classes = get_subclasses(int)
>>> pprint.pprint(list_of_classes)
[<class 'bool'>,
<enum 'IntEnum'>,
<enum 'IntFlag'>,
<class 'sre_constants._NamedIntConstant'>,
<class 'subprocess.Handle'>,
<enum '_ParameterKind'>,
<enum 'Signals'>,
<enum 'Handlers'>,
<enum 'RegexFlag'>]
I keep things simple:
At the module level I define two variables and set one to the name of the module itself.
Private Const ThisModuleName As String = "mod_Custom_Functions"
Public sLocalErrorMsg As String
Within each Sub/Function of the module I define a local variable
Dim ThisRoutineName As String
I set ThisRoutineName to the name of the sub or function
' Housekeeping
On Error Goto ERR_RTN
ThisRoutineName = "CopyWorksheet"
I then send all errors to an ERR_RTN: when they occur, but I first set the sLocalErrorMsg to define what the error actually is and provide some debugging info.
If Len(Trim(FromWorksheetName)) < 1 Then
sLocalErrorMsg = "Parameter 'FromWorksheetName' Is Missing."
GoTo ERR_RTN
End If
At the bottom of each sub/function, I direct the logic flow as follows
'
' The "normal" logic goes here for what the routine does
'
GoTo EXIT_RTN
ERR_RTN:
On Error Resume Next
' Call error handler if we went this far.
ErrorHandler ThisModuleName, ThisRoutineName, sLocalErrorMsg, Err.Description, Err.Number, False
EXIT_RTN:
On Error Resume Next
'
' Some closing logic
'
End If
I then have a seperate module I put in all projects called "mod_Error_Handler".
'
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
' Subroutine Name: ErrorHandler '
' '
' Description: '
' This module will handle the common error alerts. '
' '
' Inputs: '
' ModuleName String 'The name of the module error is in. '
' RoutineName String 'The name of the routine error in in. '
' LocalErrorMsg String 'A local message to assist with troubleshooting.'
' ERRDescription String 'The Windows Error Description. '
' ERRCode Long 'The Windows Error Code. '
' Terminate Boolean 'End program if error encountered? '
' '
' Revision History: '
' Date (YYYYMMDD) Author Change '
' =============== ===================== =============================================== '
' 20140529 XXXXX X. XXXXX Original '
' '
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
'
Public Sub ErrorHandler(ModuleName As String, RoutineName As String, LocalErrorMsg As String, ERRDescription As String, ERRCode As Long, Terminate As Boolean)
Dim sBuildErrorMsg As String
' Build Error Message To Display
sBuildErrorMsg = "Error Information:" & vbCrLf & vbCrLf
If Len(Trim(ModuleName)) < 1 Then
ModuleName = "Unknown"
End If
If Len(Trim(RoutineName)) < 1 Then
RoutineName = "Unknown"
End If
sBuildErrorMsg = sBuildErrorMsg & "Module Name: " & ModuleName & vbCrLf & vbCrLf
sBuildErrorMsg = sBuildErrorMsg & "Routine Name: " & RoutineName & vbCrLf & vbCrLf
If Len(Trim(LocalErrorMsg)) > 0 Then
sBuildErrorMsg = sBuildErrorMsg & "Local Error Msg: " & LocalErrorMsg & vbCrLf & vbCrLf
End If
If Len(Trim(ERRDescription)) > 0 Then
sBuildErrorMsg = sBuildErrorMsg & "Program Error Msg: " & ERRDescription & vbCrLf & vbCrLf
If IsNumeric(ERRCode) Then
sBuildErrorMsg = sBuildErrorMsg & "Program Error Code: " & Trim(Str(ERRCode)) & vbCrLf & vbCrLf
End If
End If
MsgBox sBuildErrorMsg, vbOKOnly + vbExclamation, "Error Detected!"
If Terminate Then
End
End If
End Sub
The end result is a pop-up error message teling me in what module, what soubroutine, and what the error message specifically was. In addition, it also will insert the Windows error message and code.
This happens when the pointer passed to free() is not valid or has been modified somehow. I don't really know the details here. The bottom line is that the pointer passed to free() must be the same as returned by malloc(), realloc() and their friends. It's not always easy to spot what the problem is for a novice in their own code or even deeper in a library. In my case, it was a simple case of an undefined (uninitialized) pointer related to branching.
The free() function frees the memory space pointed to by ptr, which must have been returned by a previous call to malloc(), calloc() or realloc(). Otherwise, or if free(ptr) has already been called before, undefined behavior occurs. If ptr is NULL, no operation is performed. GNU 2012-05-10 MALLOC(3)
char *words; // setting this to NULL would have prevented the issue
if (condition) {
words = malloc( 512 );
/* calling free sometime later works here */
free(words)
} else {
/* do not allocate words in this branch */
}
/* free(words); -- error here --
*** glibc detected *** ./bin: munmap_chunk(): invalid pointer: 0xb________ ***/
There are many similar questions here about the related free() and rellocate() functions. Some notable answers providing more details:
*** glibc detected *** free(): invalid next size (normal): 0x0a03c978 ***
*** glibc detected *** sendip: free(): invalid next size (normal): 0x09da25e8 ***
glibc detected, realloc(): invalid pointer
IMHO running everything in a debugger (Valgrind) is not the best option because errors like this are often caused by inept or novice programmers. It's more productive to figure out the issue manually and learn how to avoid it in the future.
Try this code. By using the parent>child selector "#productList li" it should find all li elements. Then, you can iterate through the result object using the each() method which will only alter li elements that have been found.
listItems = $("#productList li").each(function(){
var product = $(this);
var productid = product.children(".productId").val();
var productPrice = product.find(".productPrice").val();
var productMSRP = product.find(".productMSRP").val();
totalItemsHidden.val(parseInt(totalItemsHidden.val(), 10) + 1);
subtotalHidden.val(parseFloat(subtotalHidden.val()) + parseFloat(productMSRP));
savingsHidden.val(parseFloat(savingsHidden.val()) + parseFloat(productMSRP - productPrice));
totalHidden.val(parseFloat(totalHidden.val()) + parseFloat(productPrice));
});
In case you want to clone a specific branch only, then,
git clone -b <branch-name> <repo-url> <destination-folder-name>
for example,
git clone -b dev https://github.com/sferik/sign-in-with-twitter.git signin
I think your code is right. If you run the following code it converts the string '60' which is treated as varchar and it returns integer 60, if there is integer containing string in second it works.
select CONVERT(bigint,'60') as seconds
and it returns
60
import sys
filename = sys.argv[1]
source = open(filename, 'r').read() + '\n'
compile(source, filename, 'exec')
Save this as checker.py and run python checker.py yourpyfile.py
.
Then just modify the previous answers to:
Console.Write(strToProcess.Replace("@", "@" + Environment.NewLine));
If you don't want the newlines in the text file, then don't preserve it.
userIdeaUC = userIdea.substring(0, 1).toUpperCase() + userIdea.length() > 1 ? userIdea.substring(1) : "";
or
userIdeaUC = userIdea.substring(0, 1).toUpperCase();
if(userIdea.length() > 1)
userIdeaUC += userIdea.substring(1);
No need to use these commands .. you can directly use the nexus web Interface in order to upload your JAR using GAV parameters.
So it is very simple.
You can also refactor your code to use a generator. But this may not be a solution for all types of nested loops.
AFAIK you must reformat your String in ISO format to be able to cast it as a Date:
cast(concat(substr(STR_DMY,7,4), '-',
substr(STR_DMY,1,2), '-',
substr(STR_DMY,4,2)
)
as date
) as DT
To display a Date as a String with specific format, then it's the other way around, unless you have Hive 1.2+ and can use date_format()
=> did you check the documentation by the way?
There are 3 kind of object files.
Contain machine code in a form that can be combined with other relocatable object files at link time, in order to form an executable object file.
If you have an a.c
source file, to create its object file with GCC you should run:
gcc a.c -c
The full process would be: preprocessor (cpp) would run over a.c. Its output (still source) will feed into the compiler (cc1). Its output (assembly) will feed into the assembler (as), which will produce the relocatable object file
. That file contains object code and linking (and debugging if -g
was used) metadata, and is not directly executable.
Special type of relocatable object file that can be loaded dynamically, either at load time, or at run time. Shared libraries are an example of these kinds of objects.
Contain machine code that can be directly loaded into memory (by the loader, e.g execve) and subsequently executed.
The result of running the linker over multiple relocatable object files
is an executable object file
. The linker merges all the input object files from the command line, from left-to-right, by merging all the same-type input sections (e.g. .data
) to the same-type output section. It uses symbol resolution
and relocation
.
When linking against a static library
the functions that are referenced in the input objects are copied to the final executable.
With dynamic libraries
a symbol table is created instead that will enable a dynamic linking with the library's functions/globals. Thus, the result is a partially executable object file, as it depends on the library. If the library doesn't exist, the file can no longer execute).
The linking process can be done as follows:
ld a.o -o myexecutable
The command: gcc a.c -o myexecutable
will invoke all the commands mentioned at point 1 and at point 3 (cpp -> cc1 -> as -> ld1)
1: actually is collect2, which is a wrapper over ld.
Serializable
Serializable is a markable interface or we can call as an empty interface. It doesn’t have any pre-implemented methods. Serializable is going to convert an object to byte stream. So the user can pass the data between one activity to another activity. The main advantage of serializable is the creation and passing data is very easy but it is a slow process compare to parcelable.
Parcelable
Parcel able is faster than serializable. Parcel able is going to convert object to byte stream and pass the data between two activities. Writing parcel able code is little bit complex compare to serialization. It doesn’t create more temp objects while passing the data between two activities.
You can use the dynamic object ViewBag
to pass data from Controllers to Views.
Add the following to your controller:
ViewBag.MyList = myList;
Then you can acces it from your view:
@ViewBag.MyList
// e.g.
@foreach (var item in ViewBag.MyList) { ... }
A Context is a handle to the system; it provides services like resolving resources, obtaining access to databases and preferences, and so on. It is an "interface" that allows access to application specific resources and class and information about application environment. Your activities and services also extend Context to they inherit all those methods to access the environment information in which the application is running.
This means you must have to pass context to the specific class if you want to get/modify some specific information about the resources. You can pass context in the constructor like
public classname(Context context, String s1)
{
...
}
GPS will be used if the user has allowed it to be used in its settings.
You can't explicitly switch this on anymore, but you don't have to - it's a privacy setting really, so you don't want to tweak it. If the user is OK with apps getting precise co-ordinates it'll be on. Then the location manager API will use GPS if it can.
If your app really isn't useful without GPS, and it's off, you can open the settings app at the right screen using an intent so the user can enable it.
I used AtomicInteger to solve the Dining Philosopher's problem.
In my solution, AtomicInteger instances were used to represent the forks, there are two needed per philosopher. Each Philosopher is identified as an integer, 1 through 5. When a fork is used by a philosopher, the AtomicInteger holds the value of the philosopher, 1 through 5, otherwise the fork is not being used so the value of the AtomicInteger is -1.
The AtomicInteger then allows to check if a fork is free, value==-1, and set it to the owner of the fork if free, in one atomic operation. See code below.
AtomicInteger fork0 = neededForks[0];//neededForks is an array that holds the forks needed per Philosopher
AtomicInteger fork1 = neededForks[1];
while(true){
if (Hungry) {
//if fork is free (==-1) then grab it by denoting who took it
if (!fork0.compareAndSet(-1, p) || !fork1.compareAndSet(-1, p)) {
//at least one fork was not succesfully grabbed, release both and try again later
fork0.compareAndSet(p, -1);
fork1.compareAndSet(p, -1);
try {
synchronized (lock) {//sleep and get notified later when a philosopher puts down one fork
lock.wait();//try again later, goes back up the loop
}
} catch (InterruptedException e) {}
} else {
//sucessfully grabbed both forks
transition(fork_l_free_and_fork_r_free);
}
}
}
Because the compareAndSet method does not block, it should increase throughput, more work done. As you may know, the Dining Philosophers problem is used when controlled accessed to resources is needed, i.e. forks, are needed, like a process needs resources to continue doing work.
Did you just try
$('#datebox li a').on('click', function(){
//$('#datebox').val($(this).text());
alert($(this).text());
});
It works for me :)
Just for fun, don't do this!
$.fn.transitiondone = function () {
return this.each(function () {
var $this = $(this);
setTimeout(function () {
$this.trigger('transitiondone');
}, (parseFloat($this.css('transitionDelay')) + parseFloat($this.css('transitionDuration'))) * 1000);
});
};
$('div').on('mousedown', function (e) {
$(this).addClass('bounce').transitiondone();
});
$('div').on('transitiondone', function () {
$(this).removeClass('bounce');
});
You can use Xtend (Infix Operators and Operator Overloading) to overload operators and 'stay' on Java
my code is:
//change address bar
function setLocation(curLoc){
try {
history.pushState(null, null, curLoc);
return false;
} catch(e) {}
location.hash = '#' + curLoc;
}
and action:
setLocation('http://example.com/your-url-here');
and example
$(document).ready(function(){
$('nav li a').on('click', function(){
if($(this).hasClass('active')) {
} else {
setLocation($(this).attr('href'));
}
return false;
});
});
That's all :)
i'm running electron app and i can get the parent folder by path.resolve()
parent 1 level:path.resolve(__dirname, '..') + '/'
parent 2 levels:path.resolve(__dirname, '..', '..') + '/'
In my system its the \ key. it's used for commands so that you can combine it with other chars.
Since no answer stated this:
Make sure that, if you are using a virtual environment, you have activated it before trying to run the program.
If you don't really know if you are using a virtual environment or not, check with the other contributors of the project. Or maybe try to find a file with the name activate
like this: find . -name activate
.
You can use php for making multi-page website.
<?
php include 'header.php';
?>
(Above code will dump all html code before this)Your site body content.
Using OpenSSL's EVP interface (the following is for OpenSSL 1.1):
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
#include <openssl/evp.h>
bool computeHash(const std::string& unhashed, std::string& hashed)
{
bool success = false;
EVP_MD_CTX* context = EVP_MD_CTX_new();
if(context != NULL)
{
if(EVP_DigestInit_ex(context, EVP_sha256(), NULL))
{
if(EVP_DigestUpdate(context, unhashed.c_str(), unhashed.length()))
{
unsigned char hash[EVP_MAX_MD_SIZE];
unsigned int lengthOfHash = 0;
if(EVP_DigestFinal_ex(context, hash, &lengthOfHash))
{
std::stringstream ss;
for(unsigned int i = 0; i < lengthOfHash; ++i)
{
ss << std::hex << std::setw(2) << std::setfill('0') << (int)hash[i];
}
hashed = ss.str();
success = true;
}
}
}
EVP_MD_CTX_free(context);
}
return success;
}
int main(int, char**)
{
std::string pw1 = "password1", pw1hashed;
std::string pw2 = "password2", pw2hashed;
std::string pw3 = "password3", pw3hashed;
std::string pw4 = "password4", pw4hashed;
hashPassword(pw1, pw1hashed);
hashPassword(pw2, pw2hashed);
hashPassword(pw3, pw3hashed);
hashPassword(pw4, pw4hashed);
std::cout << pw1hashed << std::endl;
std::cout << pw2hashed << std::endl;
std::cout << pw3hashed << std::endl;
std::cout << pw4hashed << std::endl;
return 0;
}
The advantage of this higher level interface is that you simply need to swap out the EVP_sha256()
call with another digest's function, e.g. EVP_sha512()
, to use a different digest. So it adds some flexibility.
In my case it was something else: the object I was saving should first have an id(e.g. save() should be called) before I could set any kind of relationship with it.
It looks like Microsoft has deprecated lots of calls which use buffers to improve code security. However, the solutions they're providing aren't portable. Anyway, if you aren't interested in using the secure version of their calls (like fopen_s), you need to place a definition of _CRT_SECURE_NO_DEPRECATE before your included header files. For example:
#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
The preprocessor directive can also be added to your project settings to effect it on all the files under the project. To do this add _CRT_SECURE_NO_DEPRECATE to Project Properties -> Configuration Properties -> C/C++ -> Preprocessor -> Preprocessor Definitions.
If you need to set the new value based on the old field value that is do something like:
update my_table set field_1 = field_1 + 1 where pk_field = some_value
use query expressions:
MyModel.objects.filter(pk=some_value).update(field1=F('field1') + 1)
This will execute update atomically that is using one update request to the database without reading it first.
You need to test $?
instead, which is the exit status of the previous command. passwd
exits with 0 if everything worked ok, and non-zero if the passwd change failed (wrong password, password mismatch, etc...)
passwd
while [ $? -ne 0 ]; do
passwd
done
With your backtick version, you're comparing passwd's output, which would be stuff like Enter password
and confirm password
and the like.
You can install and use the pip-autoremove utility to remove a package plus unused dependencies.
# install pip-autoremove
pip install pip-autoremove
# remove "somepackage" plus its dependencies:
pip-autoremove somepackage -y
Just to add that there is also java.text.MessageFormat with the benefit of having numeric argument indexes.
Appending the 1st example from the documentation
int planet = 7;
String event = "a disturbance in the Force";
String result = MessageFormat.format(
"At {1,time} on {1,date}, there was {2} on planet {0,number,integer}.",
planet, new Date(), event);
Result:
At 12:30 PM on Jul 3, 2053, there was a disturbance in the Force on planet 7.
I use System.getEnv() to get the map and I keep as a field, so I can mock it:
public class AAA {
Map<String, String> environmentVars;
public String readEnvironmentVar(String varName) {
if (environmentVars==null) environmentVars = System.getenv();
return environmentVars.get(varName);
}
}
public class AAATest {
@Test
public void test() {
aaa.environmentVars = new HashMap<String,String>();
aaa.environmentVars.put("NAME", "value");
assertEquals("value",aaa.readEnvironmentVar("NAME"));
}
}
For others that arrive here, this exact message will also appear when using the env variable syntax for commands, for example ${which sh}
instead of the correct $(which sh)
As an aside, it is always a good practice (and possibly a solution for this type of issue) to delete a large number of rows by using batches:
WHILE EXISTS (SELECT 1
FROM YourTable
WHERE <yourCondition>)
DELETE TOP(10000) FROM YourTable
WHERE <yourCondition>
The document has moved here it seems: https://help.apple.com/xcode/mac/8.0/#/dev564169bb1
Can't copy the icons here, but here are the descriptions:
Show: Present the content in the detail or master area depending on the content of the screen.
If the app is displaying a master and detail view, the content is pushed onto the detail area. If the app is only displaying the master or the detail, the content is pushed on top of the current view controller stack.
Show Detail: Present the content in the detail area.
If the app is displaying a master and detail view, the new content replaces the current detail. If the app is only displaying the master or the detail, the content replaces the top of the current view controller stack.
Present Modally: Present the content modally.
Present as Popover: Present the content as a popover anchored to an existing view.
Custom: Create your own behaviors by using a custom segue.
In general it is safer to work on copies than on original data frames, except when you know that you won't be needing the original anymore and want to proceed with the manipulated version. Normally, you would still have some use for the original data frame to compare with the manipulated version, etc. Therefore, most people work on copies and merge at the end.
I got the same error:
nodemon -w server.js server.js
[nodemon] 2.0.2
[nodemon] reading config .\nodemon.json
[nodemon] to restart at any time, enter `rs`
[nodemon] or send SIGHUP to 19248 to restart
[nodemon] ignoring: .\node_modules/**/* .\.next/**/*
[nodemon] watching dir(s): server.js
[nodemon] watching extensions: js,json
[nodemon] starting `node server.js index.js`
[nodemon] forking
[nodemon] child pid: 18840
[nodemon] watching 30 files
internal/modules/cjs/loader.js:797
throw err;
^
Error: Cannot find module 'D:\Programming\01a.nextjs\project\index.js'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:794:15)
at Function.Module._load (internal/modules/cjs/loader.js:687:27)
at Function.Module.runMain (internal/modules/cjs/loader.js:1025:10)
at internal/main/run_main_module.js:17:11 {
code: 'MODULE_NOT_FOUND',
requireStack: []
}
[nodemon] app crashed - waiting for file changes before starting...
I followed all the advises from here, but none of them worked for me. What I found is that I moved the server.js in his own folder server/server.js, but in package.json I forgot to make the change from this:
"dev": "nodemon -w server.js server.js",
"build": "next build",
"start": "NODE_ENV=production node server.js"
to this:
"dev": "nodemon -w server/server.js server/server.js",
"build": "next build",
"start": "NODE_ENV=production node server/server.js"
After I made this change and restart the server with npm run dev
everything worked fine.
Converting to a DATE
or using an open-ended date range in any case will yield the best performance. FYI, convert to date using an index are the best performers. More testing a different techniques in article: What is the most efficient way to trim time from datetime? Posted by Aaron Bertrand
From that article:
DECLARE @dateVar datetime = '19700204';
-- Quickest when there is an index on t.[DateColumn],
-- because CONVERT can still use the index.
SELECT t.[DateColumn]
FROM MyTable t
WHERE = CONVERT(DATE, t.[DateColumn]) = CONVERT(DATE, @dateVar);
-- Quicker when there is no index on t.[DateColumn]
DECLARE @dateEnd datetime = DATEADD(DAY, 1, @dateVar);
SELECT t.[DateColumn]
FROM MyTable t
WHERE t.[DateColumn] >= @dateVar AND
t.[DateColumn] < @dateEnd;
Also from that article: using BETWEEN
, DATEDIFF
or CONVERT(CHAR(8)...
are all slower.
We can use a separate function for performing a continue statement work. suppose you have following problem:
for i=1 to 10
if(condition) then 'for loop body'
contionue
End If
Next
Here we will use a function call for for loop body:
for i=1 to 10
Call loopbody()
next
function loopbody()
if(condition) then 'for loop body'
Exit Function
End If
End Function
loop will continue for function exit statement....
Today I was looking for this and Mr Brandon Rude gave an excellent answer. Unfortunately, AsyncTask
is now depricated, you can still use it, but it gives you a warning which is very annoying. So an alternative is to use Executors
like this way (in kotlin
):
val someRunnable = object : Runnable{
override fun run() {
// todo: do your background tasks
requireActivity().runOnUiThread{
// update views / ui if you are in a fragment
};
/*
runOnUiThread {
// update ui if you are in an activity
}
* */
}
};
Executors.newSingleThreadExecutor().execute(someRunnable);
And in java
it looks like this:
Runnable someRunnable = new Runnable() {
@Override
public void run() {
// todo: background tasks
runOnUiThread(new Runnable() {
@Override
public void run() {
// todo: update your ui / view in activity
}
});
/*
requireActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
// todo: update your ui / view in Fragment
}
});*/
}
};
Executors.newSingleThreadExecutor().execute(someRunnable);
Exponential (You have an exponential function if MINIMAL ONE EXPONENT is dependent on a parameter):
Polynomial (You have a polynomial function if NO EXPONENT is dependent on some function parameters):
If you are using Eclipse,
They should all be in there. Right click and "checkout."
Yes, it is correct. Its just a helper function to have a simpler way to access your state properties
Imagine you have a posts
key in your App state.posts
state.posts //
/*
{
currentPostId: "",
isFetching: false,
allPosts: {}
}
*/
And component Posts
By default connect()(Posts)
will make all state props available for the connected Component
const Posts = ({posts}) => (
<div>
{/* access posts.isFetching, access posts.allPosts */}
</div>
)
Now when you map the state.posts
to your component it gets a bit nicer
const Posts = ({isFetching, allPosts}) => (
<div>
{/* access isFetching, allPosts directly */}
</div>
)
connect(
state => state.posts
)(Posts)
mapDispatchToProps
normally you have to write dispatch(anActionCreator())
with bindActionCreators
you can do it also more easily like
connect(
state => state.posts,
dispatch => bindActionCreators({fetchPosts, deletePost}, dispatch)
)(Posts)
Now you can use it in your Component
const Posts = ({isFetching, allPosts, fetchPosts, deletePost }) => (
<div>
<button onClick={() => fetchPosts()} />Fetch posts</button>
{/* access isFetching, allPosts directly */}
</div>
)
An example of an actionCreator: deletePost
const deletePostAction = (id) => ({
action: 'DELETE_POST',
payload: { id },
})
So, bindActionCreators
will just take your actions, wrap them into dispatch
call. (I didn't read the source code of redux, but the implementation might look something like this:
const bindActionCreators = (actions, dispatch) => {
return Object.keys(actions).reduce(actionsMap, actionNameInProps => {
actionsMap[actionNameInProps] = (...args) => dispatch(actions[actionNameInProps].call(null, ...args))
return actionsMap;
}, {})
}
First add the new files:
svn add fileName
Then commit all new and modified files
svn ci <files_separated_by_space> -m "Commit message|ReviewID:XXXX"
If non source files are to be committed then
svn ci <files> -m "Commit msg|ReviewID:NON-SOURCE"
This is Chris Jester-Young's implementation, cleanest I've ever seen, combined with php.net's and a precision argument.
function formatBytes($size, $precision = 2)
{
$base = log($size, 1024);
$suffixes = array('', 'K', 'M', 'G', 'T');
return round(pow(1024, $base - floor($base)), $precision) .' '. $suffixes[floor($base)];
}
echo formatBytes(24962496);
// 23.81M
echo formatBytes(24962496, 0);
// 24M
echo formatBytes(24962496, 4);
// 23.8061M
I would like to suggest another approach to this problem. Instead of using the navigation controller to pop a view controller, use unwind segues. This solution has a few, but really important, advantages:
You can find more details in Unwind Segues Step-by-Step. The how to is better explained in the former link, including how to send data back, but here I will make a brief explanation.
1) Go to the destination (not the origin) view controller and add an unwind segue:
@IBAction func unwindToContact(_ unwindSegue: UIStoryboardSegue) {
//let sourceViewController = unwindSegue.source
// Use data from the view controller which initiated the unwind segue
}
2) CTRL drag from the view controller itself to the exit icon in the origin view controller:
3) Select the unwind function you just created a few moments ago:
4) Select the unwind segue and give it a name:
5) Go to any place of the origin view controller and call the unwind segue:
performSegue(withIdentifier: "unwindToContact", sender: self)
I have found this approach payoffs a lot when your navigation starts to get complicated.
I hope this helps someone.
$(document).ready(function() {
$('#main_search').val('hi');
});
try {
java.util.Collections.sort(data,
new Comparator<Map<String, String>>() {
SimpleDateFormat sdf = new SimpleDateFormat(
"MM/dd/yyyy");
public int compare(final Map<String, String> map1,
final Map<String, String> map2) {
Date date1 = null, date2 = null;
try {
date1 = sdf.parse(map1.get("Date"));
date2 = sdf.parse(map2.get("Date"));
} catch (ParseException e) {
e.printStackTrace();
}
if (date1.compareTo(date2) > 0) {
return +1;
} else if (date1.compareTo(date2) == 0) {
return 0;
} else {
return -1;
}
}
});
} catch (Exception e) {
}
Something like this? Use the axisbg
keyword to subplot
:
>>> from matplotlib.figure import Figure
>>> from matplotlib.backends.backend_agg import FigureCanvasAgg as FigureCanvas
>>> figure = Figure()
>>> canvas = FigureCanvas(figure)
>>> axes = figure.add_subplot(1, 1, 1, axisbg='red')
>>> axes.plot([1,2,3])
[<matplotlib.lines.Line2D object at 0x2827e50>]
>>> canvas.print_figure('red-bg.png')
(Granted, not a scatter plot, and not a black background.)
Swift 3:
let alert = UIAlertController(title: "Alert", message: "Message", preferredStyle: UIAlertControllerStyle.alert)
alert.addAction(UIAlertAction(title: "Click", style: UIAlertActionStyle.default, handler: nil))
alert.addTextField(configurationHandler: {(textField: UITextField!) in
textField.placeholder = "Enter text:"
})
self.present(alert, animated: true, completion: nil)
var date = new Date().toLocaleDateString()
"12/30/2009"
You can do this easier.
Source: http://www.tutorialspoint.com/android/android_loading_spinner.htm
It helped me.
Layout:
<ProgressBar
android:id="@+id/progressBar1"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true" />
After defining it in xml, you have to get its reference in java file through ProgressBar class. Its syntax is given below:
private ProgressBar spinner;
spinner = (ProgressBar)findViewById(R.id.progressBar1);
After that you can make its disappear , and bring it back when needed through setVisibility Method. Its syntax is given below:
spinner.setVisibility(View.GONE);
spinner.setVisibility(View.VISIBLE);
The solution that seemed to fix this for me, on top of PTP, is not selecting Always allow from this computer
when allowing USB debugging. Revoking the authorisations and manually accepting each time the device is connected fixed this for me. (Settings -> Developer options -> Revoke USB debugging authorisations
)
You can just check if the jQuery
object exists:
if( typeof jQuery !== 'undefined' ) ... // jQuery loaded
jQuery().jquery
has the version number.
As for the prefix, jQuery
should always work. If you want to use $
you can wrap your code to a function and pass jQuery
to it as the parameter:
(function( $ ) {
$( '.class' ).doSomething(); // works always
})( jQuery )
I would suggest that a definition of 'transaction processing' would be more useful, as it covers transactions as a concept in computer science.
From wikipedia:
In computer science, transaction processing is information processing that is divided into individual, indivisible operations, called transactions. Each transaction must succeed or fail as a complete unit; it cannot remain in an intermediate state.
http://en.wikipedia.org/wiki/Transaction_processing#Implementations
If the variable table
contains invalid characters (like a space) you should add square brackets around the variable.
public DataTable fillDataTable(string table)
{
string query = "SELECT * FROM dstut.dbo.[" + table + "]";
using(SqlConnection sqlConn = new SqlConnection(conSTR))
using(SqlCommand cmd = new SqlCommand(query, sqlConn))
{
sqlConn.Open();
DataTable dt = new DataTable();
dt.Load(cmd.ExecuteReader());
return dt;
}
}
By the way, be very careful with this kind of code because is open to Sql Injection. I hope for you that the table name doesn't come from user input
Here is a portable shell function that should work in ANY Bourne comparable shell. It will resolve the relative path punctuation ".. or ." and dereference symbolic links.
If for some reason you do not have a realpath(1) command, or readlink(1) this can be aliased.
which realpath || alias realpath='real_path'
Enjoy:
real_path () {
OIFS=$IFS
IFS='/'
for I in $1
do
# Resolve relative path punctuation.
if [ "$I" = "." ] || [ -z "$I" ]
then continue
elif [ "$I" = ".." ]
then FOO="${FOO%%/${FOO##*/}}"
continue
else FOO="${FOO}/${I}"
fi
## Resolve symbolic links
if [ -h "$FOO" ]
then
IFS=$OIFS
set `ls -l "$FOO"`
while shift ;
do
if [ "$1" = "->" ]
then FOO=$2
shift $#
break
fi
done
IFS='/'
fi
done
IFS=$OIFS
echo "$FOO"
}
also, just in case anybody is interested here is how to implement basename and dirname in 100% pure shell code:
## http://www.opengroup.org/onlinepubs/000095399/functions/dirname.html
# the dir name excludes the least portion behind the last slash.
dir_name () {
echo "${1%/*}"
}
## http://www.opengroup.org/onlinepubs/000095399/functions/basename.html
# the base name excludes the greatest portion in front of the last slash.
base_name () {
echo "${1##*/}"
}
You can find updated version of this shell code at my google site: http://sites.google.com/site/jdisnard/realpath
EDIT: This code is licensed under the terms of the 2-clause (freeBSD style) license. A copy of the license may be found by following the above hyperlink to my site.
Similar to KyleMit answer, its possible to select directly the tables used by SP_WHO2, although I think it's only need dbo.sysprocesses table.
If someone open this SP, it can understand what it does. This is my best select to have a similar output as SP_WHO2
select convert(char(5),sp.spid) as SPID
, CASE lower(sp.status)
When 'sleeping' Then lower(sp.status)
Else upper(sp.status)
END as Status
, convert(sysname, rtrim(sp.loginame)) as LOGIN
, CASE sp.hostname
When Null Then ' .'
When ' ' Then ' .'
Else rtrim(sp.hostname)
END as HostName
, CASE isnull(convert(char(5),sp.blocked),'0')
When '0' Then ' .'
Else isnull(convert(char(5),sp.blocked),'0')
END as BlkBy
, case when sp.dbid = 0 then null when sp.dbid <> 0 then db_name(sp.dbid) end as DBName
, sp.cmd as Command
, sp.cpu as CPUTime
, sp.physical_io as DiskIO
, sp.last_batch as LastBatch
, sp.program_name as ProgramName
from master.dbo.sysprocesses sp (nolock)
;
Over this select, you can select the fields you need and have the order you want.
Note: if you were on Branch1
, you will with Git 2.0 (Q2 2014) be able to type:
git checkout Branch2
git rebase -
See commit 4f40740 by Brian Gesiak modocache
:
rebase
: allow "-
" short-hand for the previous branchTeach rebase the same shorthand as
checkout
andmerge
to name the branch torebase
the current branch on; that is, that "-
" means "the branch we were previously on".
result = []
for line in text.splitlines():
result.append(tuple(line.split(",")))
In it's simplest form:
function crawl_page($url, $depth = 5) {
if($depth > 0) {
$html = file_get_contents($url);
preg_match_all('~<a.*?href="(.*?)".*?>~', $html, $matches);
foreach($matches[1] as $newurl) {
crawl_page($newurl, $depth - 1);
}
file_put_contents('results.txt', $newurl."\n\n".$html."\n\n", FILE_APPEND);
}
}
crawl_page('http://www.domain.com/index.php', 5);
That function will get contents from a page, then crawl all found links and save the contents to 'results.txt'. The functions accepts an second parameter, depth, which defines how long the links should be followed. Pass 1 there if you want to parse only links from the given page.
One should note that in the case of array indexing, array[~i]
amounts to reversed_array[i]
. It can be seen as indexing starting from the end of the array:
[0, 1, 2, 3, 4, 5, 6, 7, 8]
^ ^
i ~i
Start MySQL Workbench, then Server -> Options File and look at bottom of the window; it will say something like "Configuration File: C:\ProgramData\MySQL\MySQL Server 5.6\my.ini"
(And note the subtle difference between "ProgramData" and "Program Files" - easy to gloss over if you're looking for a quick answer.)
Looks like you forgot the @ in variable declaration. Also I remember having problems with SET
in MySql a long time ago.
Try
DECLARE @FOO varchar(7);
DECLARE @oldFOO varchar(7);
SELECT @FOO = '138';
SELECT @oldFOO = CONCAT('0', @FOO);
update mypermits
set person = @FOO
where person = @oldFOO;
It seems like it should be made possible to say:
extra_hosts:
- "loghost:localhost"
So if the part after the colon (normally an IP address) doesn't start with a digit, then name resolution will be performed to look up an IP for localhost, and add something like to the container's /etc/hosts:
127.0.0.1 loghost
...assuming that localhost resolves to 127.0.0.1 on the host system.
It looks like it'd be really easy to add in docker-compose's source code: compose/config/types.py's parse_extra_hosts function would likely do it.
For docker itself, this would probably be addable in opts/hosts.go's ValidateExtraHost function, though then it's not strictly validating anymore, so the function would be a little misnamed.
It might actually be a little better to add this to docker, not docker-compose - docker-compose might just get it automatically if docker gets it.
Sadly, this would probably require a container bounce to change an IP address.
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
Configuring Identity to your existing project is not hard thing. You must install some NuGet package and do some small configuration.
First install these NuGet packages with Package Manager Console:
PM> Install-Package Microsoft.AspNet.Identity.Owin
PM> Install-Package Microsoft.AspNet.Identity.EntityFramework
PM> Install-Package Microsoft.Owin.Host.SystemWeb
Add a user class and with IdentityUser
inheritance:
public class AppUser : IdentityUser
{
//add your custom properties which have not included in IdentityUser before
public string MyExtraProperty { get; set; }
}
Do same thing for role:
public class AppRole : IdentityRole
{
public AppRole() : base() { }
public AppRole(string name) : base(name) { }
// extra properties here
}
Change your DbContext
parent from DbContext
to IdentityDbContext<AppUser>
like this:
public class MyDbContext : IdentityDbContext<AppUser>
{
// Other part of codes still same
// You don't need to add AppUser and AppRole
// since automatically added by inheriting form IdentityDbContext<AppUser>
}
If you use the same connection string and enabled migration, EF will create necessary tables for you.
Optionally, you could extend UserManager
to add your desired configuration and customization:
public class AppUserManager : UserManager<AppUser>
{
public AppUserManager(IUserStore<AppUser> store)
: base(store)
{
}
// this method is called by Owin therefore this is the best place to configure your User Manager
public static AppUserManager Create(
IdentityFactoryOptions<AppUserManager> options, IOwinContext context)
{
var manager = new AppUserManager(
new UserStore<AppUser>(context.Get<MyDbContext>()));
// optionally configure your manager
// ...
return manager;
}
}
Since Identity is based on OWIN you need to configure OWIN too:
Add a class to App_Start
folder (or anywhere else if you want). This class is used by OWIN. This will be your startup class.
namespace MyAppNamespace
{
public class IdentityConfig
{
public void Configuration(IAppBuilder app)
{
app.CreatePerOwinContext(() => new MyDbContext());
app.CreatePerOwinContext<AppUserManager>(AppUserManager.Create);
app.CreatePerOwinContext<RoleManager<AppRole>>((options, context) =>
new RoleManager<AppRole>(
new RoleStore<AppRole>(context.Get<MyDbContext>())));
app.UseCookieAuthentication(new CookieAuthenticationOptions
{
AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
LoginPath = new PathString("/Home/Login"),
});
}
}
}
Almost done just add this line of code to your web.config
file so OWIN could find your startup class.
<appSettings>
<!-- other setting here -->
<add key="owin:AppStartup" value="MyAppNamespace.IdentityConfig" />
</appSettings>
Now in entire project you could use Identity just like any new project had already installed by VS. Consider login action for example
[HttpPost]
public ActionResult Login(LoginViewModel login)
{
if (ModelState.IsValid)
{
var userManager = HttpContext.GetOwinContext().GetUserManager<AppUserManager>();
var authManager = HttpContext.GetOwinContext().Authentication;
AppUser user = userManager.Find(login.UserName, login.Password);
if (user != null)
{
var ident = userManager.CreateIdentity(user,
DefaultAuthenticationTypes.ApplicationCookie);
//use the instance that has been created.
authManager.SignIn(
new AuthenticationProperties { IsPersistent = false }, ident);
return Redirect(login.ReturnUrl ?? Url.Action("Index", "Home"));
}
}
ModelState.AddModelError("", "Invalid username or password");
return View(login);
}
You could make roles and add to your users:
public ActionResult CreateRole(string roleName)
{
var roleManager=HttpContext.GetOwinContext().GetUserManager<RoleManager<AppRole>>();
if (!roleManager.RoleExists(roleName))
roleManager.Create(new AppRole(roleName));
// rest of code
}
You could also add a role to a user, like this:
UserManager.AddToRole(UserManager.FindByName("username").Id, "roleName");
By using Authorize
you could guard your actions or controllers:
[Authorize]
public ActionResult MySecretAction() {}
or
[Authorize(Roles = "Admin")]]
public ActionResult MySecretAction() {}
You can also install additional packages and configure them to meet your requirement like Microsoft.Owin.Security.Facebook
or whichever you want.
Note: Don't forget to add relevant namespaces to your files:
using Microsoft.AspNet.Identity;
using Microsoft.Owin.Security;
using Microsoft.AspNet.Identity.Owin;
using Microsoft.AspNet.Identity.EntityFramework;
using Microsoft.Owin;
using Microsoft.Owin.Security.Cookies;
using Owin;
You could also see my other answers like this and this for advanced use of Identity.
Here is another way using list comprehension (some people might find it debatable). It is very approachable for simple tests, e.g. comparisons on object attributes (which I need a lot):
el = [x for x in mylist if x.attr == "foo"][0]
Of course this assumes the existence (and, actually, uniqueness) of a suitable element in the list.
To push over old repo.
git push -u origin master --force
I think the --force
would work for a pull as well.
In case you have auto increment in the table and need to access it.. you can use the following approach... Do test before using because getGeneratedKeys() in Statement because it depends on driver used. The below code is tested on Maria DB 10.0.12 and Maria JDBC driver 1.2
Remember that increasing batch size improves performance only to a certain extent... for my setup increasing batch size above 500 was actually degrading the performance.
public Connection getConnection(boolean autoCommit) throws SQLException {
Connection conn = dataSource.getConnection();
conn.setAutoCommit(autoCommit);
return conn;
}
private void testBatchInsert(int count, int maxBatchSize) {
String querySql = "insert into batch_test(keyword) values(?)";
try {
Connection connection = getConnection(false);
PreparedStatement pstmt = null;
ResultSet rs = null;
boolean success = true;
int[] executeResult = null;
try {
pstmt = connection.prepareStatement(querySql, Statement.RETURN_GENERATED_KEYS);
for (int i = 0; i < count; i++) {
pstmt.setString(1, UUID.randomUUID().toString());
pstmt.addBatch();
if ((i + 1) % maxBatchSize == 0 || (i + 1) == count) {
executeResult = pstmt.executeBatch();
}
}
ResultSet ids = pstmt.getGeneratedKeys();
for (int i = 0; i < executeResult.length; i++) {
ids.next();
if (executeResult[i] == 1) {
System.out.println("Execute Result: " + i + ", Update Count: " + executeResult[i] + ", id: "
+ ids.getLong(1));
}
}
} catch (Exception e) {
e.printStackTrace();
success = false;
} finally {
if (rs != null) {
rs.close();
}
if (pstmt != null) {
pstmt.close();
}
if (connection != null) {
if (success) {
connection.commit();
} else {
connection.rollback();
}
connection.close();
}
}
} catch (SQLException e) {
e.printStackTrace();
}
}
If you don't want any button at all (e.g. you are developing a GUI for blind people where tap cannot be positional and you rely on single/double/long taps):
text.setItemOptions(EditorInfo.IME_ACTION_NONE)
Or in Kotlin:
text.imeOptions = EditorInfo.IME_ACTION_NONE
If you have less than 4 rows, you can use the head
function ( head(data, 4)
or head(data, n=4)
) and it works like a charm. But, assume we have the following dataset with 15 rows
>data <- data <- read.csv("./data.csv", sep = ";", header=TRUE)
>data
LungCap Age Height Smoke Gender Caesarean
1 6.475 6 62.1 no male no
2 10.125 18 74.7 yes female no
3 9.550 16 69.7 no female yes
4 11.125 14 71.0 no male no
5 4.800 5 56.9 no male no
6 6.225 11 58.7 no female no
7 4.950 8 63.3 no male yes
8 7.325 11 70.4 no male no
9 8.875 15 70.5 no male no
10 6.800 11 59.2 no male no
11 6.900 12 59.3 no male no
12 6.100 13 59.4 no male no
13 6.110 14 59.5 no male no
14 6.120 15 59.6 no male no
15 6.130 16 59.7 no male no
Let's say, you want to select the first 10 rows. The easiest way to do it would be data[1:10, ]
.
> data[1:10,]
LungCap Age Height Smoke Gender Caesarean
1 6.475 6 62.1 no male no
2 10.125 18 74.7 yes female no
3 9.550 16 69.7 no female yes
4 11.125 14 71.0 no male no
5 4.800 5 56.9 no male no
6 6.225 11 58.7 no female no
7 4.950 8 63.3 no male yes
8 7.325 11 70.4 no male no
9 8.875 15 70.5 no male no
10 6.800 11 59.2 no male no
However, let's say you try to retrieve the first 19 rows and see the what happens - you will have missing values
> data[1:19,]
LungCap Age Height Smoke Gender Caesarean
1 6.475 6 62.1 no male no
2 10.125 18 74.7 yes female no
3 9.550 16 69.7 no female yes
4 11.125 14 71.0 no male no
5 4.800 5 56.9 no male no
6 6.225 11 58.7 no female no
7 4.950 8 63.3 no male yes
8 7.325 11 70.4 no male no
9 8.875 15 70.5 no male no
10 6.800 11 59.2 no male no
11 6.900 12 59.3 no male no
12 6.100 13 59.4 no male no
13 6.110 14 59.5 no male no
14 6.120 15 59.6 no male no
15 6.130 16 59.7 no male no
NA NA NA NA <NA> <NA> <NA>
NA.1 NA NA NA <NA> <NA> <NA>
NA.2 NA NA NA <NA> <NA> <NA>
NA.3 NA NA NA <NA> <NA> <NA>
and with the head() function,
> head(data, 19) # or head(data, n=19)
LungCap Age Height Smoke Gender Caesarean
1 6.475 6 62.1 no male no
2 10.125 18 74.7 yes female no
3 9.550 16 69.7 no female yes
4 11.125 14 71.0 no male no
5 4.800 5 56.9 no male no
6 6.225 11 58.7 no female no
7 4.950 8 63.3 no male yes
8 7.325 11 70.4 no male no
9 8.875 15 70.5 no male no
10 6.800 11 59.2 no male no
11 6.900 12 59.3 no male no
12 6.100 13 59.4 no male no
13 6.110 14 59.5 no male no
14 6.120 15 59.6 no male no
15 6.130 16 59.7 no male no
Hope this help!
When buffer size gets full. There are several options you can try:
1) Increase the size of the DBMS_OUTPUT buffer to 1,000,000
2) Try filtering the data written to the buffer - possibly there is a loop that writes to DBMS_OUTPUT and you do not need this data.
3) Call ENABLE at various checkpoints within your code. Each call will clear the buffer.
DBMS_OUTPUT.ENABLE(NULL) will default to 20000 for backwards compatibility Oracle documentation on dbms_output
You can also create your custom output display.something like below snippets
create or replace procedure cust_output(input_string in varchar2 )
is
out_string_in long default in_string;
string_lenth number;
loop_count number default 0;
begin
str_len := length(out_string_in);
while loop_count < str_len
loop
dbms_output.put_line( substr( out_string_in, loop_count +1, 255 ) );
loop_count := loop_count +255;
end loop;
end;
Link -Ref :Alternative to dbms_output.putline @ By: Alexander
This error occurs if you are using the wrong path.
For e.g:
I'm using ubuntu system and my project folder name is 'myproject'
Suppose I have myproject/public/report directory exist and want to create a new folder called orders
Then I need a whole path where my project exists. You can get the path by PWD command
So my root path will be = '/home/htdocs/myproject/'
$dir = '/home/htdocs/myproject/public/report/Orders';
if (!is_dir($dir)) {
mkdir($dir, 0775, true);
}
It will work for you !! Enjoy !!
if you have only one xml in your table, you can convert it in 2 steps:
CREATE TABLE Batches(
BatchID int,
RawXml xml
)
declare @xml xml=(select top 1 RawXml from @Batches)
SELECT --b.BatchID,
x.XmlCol.value('(ReportHeader/OrganizationReportReferenceIdentifier)[1]','VARCHAR(100)') AS OrganizationReportReferenceIdentifier,
x.XmlCol.value('(ReportHeader/OrganizationNumber)[1]','VARCHAR(100)') AS OrganizationNumber
FROM @xml.nodes('/CasinoDisbursementReportXmlFile/CasinoDisbursementReport') x(XmlCol)
If you are already using an OutputStream
to write to the socket, then DataOutputStream might be a good fit. Here is an example:
// Assumes you are currently working with a SocketOutputStream.
SocketOutputStream outputStream = ...
long longValue = ...
DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
dataOutputStream.writeLong(longValue);
dataOutputStream.flush();
There are similar methods for short
, int
, float
, etc. You can then use DataInputStream on the receiving side.
I would add this to the LI's CSS
.list-item
{
float: left;
clear: left;
}
Check this:
if (
MessageBox.Show(@"Are you Alright?", @"My Message Box",MessageBoxButtons.YesNo) == DialogResult.Yes)
{
//YES ---> Ok IM ALRIGHHT
}
else
{
//NO --->NO IM STUCK
}
Regards
Use a vector:
#include <vector>
void foo() {
std::vector <int> v;
v.push_back( 1 ); // equivalent to v[0] = 1
}
Option 1 is to use display:table-cell
. You need to unfloat the Bootstrap col-* using float:none
..
.center {
display:table-cell;
vertical-align:middle;
float:none;
}
Option 2 is display:flex
to vertical align the row with flexbox:
.row.center {
display: flex;
align-items: center;
}
http://www.bootply.com/7rAuLpMCwr
Vertical centering is very different in Bootstrap 4. See this answer for Bootstrap 4 https://stackoverflow.com/a/41464397/171456
DataTables has functionality for this since v 1.10
https://datatables.net/reference/option/createdRow
Example:
$('#tid_css').DataTable({
// ...
"createdRow": function(row, data, dataIndex) {
if (data["column_index"] == "column_value") {
$(row).css("background-color", "Orange");
$(row).addClass("warning");
}
},
// ...
});
you can use visual studio for java http://visualstudiogallery.msdn.microsoft.com/bc561769-36ff-4a40-9504-e266e8706f93
In MongoDB, the db.collection.remove() method removes documents from a collection. You can remove all documents from a collection, remove all documents that match a condition, or limit the operation to remove just a single document.
Source: Mongodb.
If you are using mongo sheel, just do:
db.Datetime.remove({})
In your case, you need:
You didn't show me the delete button, so this button is just an example:
<a class="button__delete"></a>
Change the controller to:
exports.destroy = function(req, res, next) {
Datetime.remove({}, function(err) {
if (err) {
console.log(err)
} else {
res.end('success');
}
}
);
};
Insert this ajax delete method in your client js file:
$(document).ready(function(){
$('.button__delete').click(function() {
var dataId = $(this).attr('data-id');
if (confirm("are u sure?")) {
$.ajax({
type: 'DELETE',
url: '/',
success: function(response) {
if (response == 'error') {
console.log('Err!');
}
else {
alert('Success');
location.reload();
}
}
});
} else {
alert('Canceled!');
}
});
});
Python 2:
>>> str(bytearray([0,1,2,3,127,200,255])).encode('hex')
'000102037fc8ff'
Python 3:
>>> bytearray([0,1,2,3,127,200,255]).hex()
'000102037fc8ff'
There doesn't seem to be a standardized default value. I have the feeling the default is 0
, and the timeout event left totally dependent on browser and network settings.
For IE, there is a timeout property for XMLHTTPRequests here. It defaults to null, and it says the network stack is likely to be the first to time out (which will not generate an ontimeout event by the way).
If your user has a local folder e.g. Linux, in your users home folder you could create a .my.cnf file and provide the credentials to access the server there. for example:-
[client]
host=localhost
user=yourusername
password=yourpassword or exclude to force entry
database=mygotodb
Mysql would then open this file for each user account read the credentials and open the selected database.
Not sure on Windows, I upgraded from Windows because I needed the whole house not just the windows (aka Linux) a while back.
A php file is run whenever you access it via an HTTP request be it GET,POST, PUT.
You can use JQuery/Ajax to send a request on a button click, or even just change the URL of the browser to navigate to the php address.
Depending on the data sent in the POST/GET you can have a switch statement running a different function.
You can utilize the code here: How to call PHP function from string stored in a Variable along with a switch statement to automatically call the appropriate function depending on data sent.
So on PHP side you can have something like this:
<?php
//see http://php.net/manual/en/function.call-user-func-array.php how to use extensively
if(isset($_GET['runFunction']) && function_exists($_GET['runFunction']))
call_user_func($_GET['runFunction']);
else
echo "Function not found or wrong input";
function test()
{
echo("test");
}
function hello()
{
echo("hello");
}
?>
and you can make the simplest get request using the address bar as testing:
http://127.0.0.1/test.php?runFunction=hellodddddd
results in:
Function not found or wrong input
http://127.0.0.1/test.php?runFunction=hello
results in:
hello
GET Request via JQuery
See: http://api.jquery.com/jQuery.get/
$.get("test.cgi", { name: "John"})
.done(function(data) {
alert("Data Loaded: " + data);
});
POST Request via JQuery
See: http://api.jquery.com/jQuery.post/
$.post("test.php", { name: "John"} );
GET Request via Javascript location
See: http://www.javascripter.net/faq/buttonli.htm
<input type=button
value="insert button text here"
onClick="self.location='Your_URL_here.php?name=hello'">
See PHP Turotial for reading post and get: http://www.tizag.com/phpT/postget.php
http://php.net/manual/en/function.call-user-func.php http://php.net/manual/en/function.function-exists.php
From reading the source code, if a java.sql.Date
does actually have time information, calling getTime()
will return a value that includes the time information.
If that is not working, then the information is not in the java.sql.Date
object. I expect that the JDBC drivers or the database is (in effect) zeroing the time component ... or the information wasn't there in the first place.
I think you should be using java.sql.Timestamp
and the corresponding resultset methods, and the corresponding SQL type.
Hello Googlers from the future.
On MacOS >= High Sierra, the SSH key is no longer saved to the KeyChain because of reasons.
Using ssh-add -K
no longer survives restarts as well.
Here are 3 possible solutions.
I've used the first method successfully. I've created a file called config
in ~/.ssh
:
Host *
AddKeysToAgent yes
UseKeychain yes
IdentityFile ~/.ssh/id_rsa
This removes all instances of "-v"
from the array sys.argv
, and does not complain if no instances were found:
while "-v" in sys.argv:
sys.argv.remove('-v')
You can see the code in action, in a file called speechToText.py
:
$ python speechToText.py -v
['speechToText.py']
$ python speechToText.py -x
['speechToText.py', '-x']
$ python speechToText.py -v -v
['speechToText.py']
$ python speechToText.py -v -v -x
['speechToText.py', '-x']
I guess you are looking after this:
// example
private const TEMPLATE = __DIR__.'/Resources/{type}_{language}.json';
...
public function templateFor(string $type, string $language): string
{
return \str_replace(['{type}', '{language}'], [$type, $language], self::TEMPLATE);
}
If you want to use glyph icons with bootstrap 2.3.2, Add the font files from bootstrap 3 to your project folder then copy this to your css file
@font-face {
font-family: 'Glyphicons Halflings';
src: url('../fonts/glyphicons-halflings-regular.eot');
src: url('../fonts/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'), url('../fonts/glyphicons-halflings-regular.woff') format('woff'), url('../fonts/glyphicons-halflings-regular.ttf') format('truetype'), url('../fonts/glyphicons-halflings-regular.svg#glyphicons-halflingsregular') format('svg');
}
>>> map(str.lower,["A","B","C"])
['a', 'b', 'c']
This should also work in order to get all the latest entries for users.
SELECT username, MAX(date) as Date, value
FROM MyTable
GROUP BY username, value
You can do this easily in vanilla JS:
Using find
const savedViews = [{"description":"object1","id":1},{"description":"object2","id":2},{"description":"object3","id":3},{"description":"object4","id":4}];_x000D_
_x000D_
const view = 'object2';_x000D_
_x000D_
const delete_id = savedViews.find(obj => {_x000D_
return obj.description === view;_x000D_
}).id;_x000D_
_x000D_
console.log(delete_id);
_x000D_
Using filter
(original answer)
const savedViews = [{"description":"object1","id":1},{"description":"object2","id":2},{"description":"object3","id":3},{"description":"object4","id":4}];_x000D_
_x000D_
const view = 'object2';_x000D_
_x000D_
const delete_id = savedViews.filter(function (el) {_x000D_
return el.description === view;_x000D_
})[0].id;_x000D_
_x000D_
console.log(delete_id);
_x000D_
Probably because it just didn't make much sense for list semantics. However, you can easily create your own by subclassing.
class safelist(list):
def get(self, index, default=None):
try:
return self.__getitem__(index)
except IndexError:
return default
def _test():
l = safelist(range(10))
print l.get(20, "oops")
if __name__ == "__main__":
_test()
Try
SELECT @@VERSION
or for SQL Server 2000 and above the following is easier to parse :)
SELECT SERVERPROPERTY('productversion')
, SERVERPROPERTY('productlevel')
, SERVERPROPERTY('edition')
I know this is an old post, but perhaps this solution can be usefull when you want to retrieve the IP address and TCP port from a Shared Memory connection (e.g. from a script run in SSMS locally on the server). The key is to open a secondary connection to your SQL Server using OPENROWSET, in which you specify 'tcp:' in your connection string. The rest of the code is merely building dynamic SQL to get around OPENROWSET’s limitation of not being able to take variables as its parameters.
DECLARE @ip_address varchar(15)
DECLARE @tcp_port int
DECLARE @connectionstring nvarchar(max)
DECLARE @parm_definition nvarchar(max)
DECLARE @command nvarchar(max)
SET @connectionstring = N'Server=tcp:' + @@SERVERNAME + ';Trusted_Connection=yes;'
SET @parm_definition = N'@ip_address_OUT varchar(15) OUTPUT
, @tcp_port_OUT int OUTPUT';
SET @command = N'SELECT @ip_address_OUT = a.local_net_address,
@tcp_port_OUT = a.local_tcp_port
FROM OPENROWSET(''SQLNCLI''
, ''' + @connectionstring + '''
, ''SELECT local_net_address
, local_tcp_port
FROM sys.dm_exec_connections
WHERE session_id = @@spid
'') as a'
EXEC SP_executeSQL @command
, @parm_definition
, @ip_address_OUT = @ip_address OUTPUT
, @tcp_port_OUT = @tcp_port OUTPUT;
SELECT @ip_address, @tcp_port
In my case the error was due to the referencing
table is MyISAM
where as referring
table was InnoDB
.
Converted
table engine from MyISAM to InnoDB
solves the problem for me.
ALTER TABLE table_name ENGINE=InnoDB;
To get the value of the selected item of a listbox then use the following.
For Single Column ListBox:
ListBox1.List(ListBox1.ListIndex)
For Multi Column ListBox:
ListBox1.Column(column_number, ListBox1.ListIndex)
This avoids looping and is extremely more efficient.
You can simple use type="url"
in your input and the check it with checkValidity()
in js
E.g:
your.html
<input id="foo" type="url">
your.js
$("#foo").on("keyup", function() {
if (this.checkValidity()) {
// The url is valid
} else {
// The url is invalid
}
});
I got the same problems. I solved my problem by updating gradle.build for each sub-module to latest compiler version.
An alternative is to call the pip
module by using python2.7, as below:
python2.7 -m pip <commands>
For example, you could run python2.7 -m pip install <package>
to install your favorite python modules. Here is a reference: https://stackoverflow.com/a/50017310/4256346.
In case the pip module has not yet been installed for this version of python, you can run the following:
python2.7 -m ensurepip
Running this command will "bootstrap the pip installer". Note that running this may require administrative privileges (i.e. sudo
). Here is a reference: https://docs.python.org/2.7/library/ensurepip.html and another reference https://stackoverflow.com/a/46631019/4256346.
QEMU has a fantastic utility called qmeu-img that will translate between all manner of disk image formats. An article on this process is at http://thedarkmaster.wordpress.com/2007/03/12/vmware-virtual-machine-to-virtual-box-conversion-how-to/
I recall in my head that I used qemu-img to roll multiple VMDKs into one, but I don't have that computer with me to retest the process. Even if I'm wrong, the article above includes a section that describes how to convert them with your VMWare tools.
There are two answers above up-to-now and they are both long (and tl;dr too short IMHO), so I write summary from my experience starting to use new java.time library (applicable as noted in other answers to Java version 8+). ISO 8601 sets standard way to write dates: YYYY-MM-DD
so the format of date-time is only as below (could be 0, 3, 6 or 9 digits for milliseconds) and no formatting string necessary:
import java.time.Instant;
public static void main(String[] args) {
String date="2010-10-02T12:23:23Z";
try {
Instant myDate = Instant.parse(date);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
I did not need it, but as getting year is in code from the question, then:
it is trickier, cannot be done from Instant
directly, can be done via Calendar
in way of questions Get integer value of the current year in Java and Converting java.time to Calendar but IMHO as format is fixed substring is more simple to use:
myDate.toString().substring(0,4);
You've got a stray byte floating around. You can find it by running
with open("x.py") as fp:
for i, line in enumerate(fp):
if "\xe2" in line:
print i, repr(line)
where you should replace "x.py"
by the name of your program. You'll see the line number and the offending line(s). For example, after inserting that byte arbitrarily, I got:
4 "\xe2 lb = conn.create_load_balancer('my_lb', ['us-east-1a', 'us-east-1b'],[(80, 8080, 'http'), (443, 8443, 'tcp')])\n"
To fill a list with seperate instances of a class, you can use a for loop in the declaration of the list. The * multiply will link each copy to the same instance.
instancelist = [ MyClass() for i in range(29)]
and then access the instances through the index of the list.
instancelist[5].attr1 = 'whamma'
There's an easy way to do that. Very easy. Since I noticed that
$scope.yourModel = [];
removes all $scope.yourModel array list you can do like this
function deleteAnObjectByKey(objects, key) {
var clonedObjects = Object.assign({}, objects);
for (var x in clonedObjects)
if (clonedObjects.hasOwnProperty(x))
if (clonedObjects[x].id == key)
delete clonedObjects[x];
$scope.yourModel = clonedObjects;
}
The $scope.yourModel will be updated with the clonedObjects.
Hope that helps.
try this code:
.absolute {
position: absolute;
top: 0; left: 0;
width: 200px;
height: 50px;
background: yellow;
}
One can simply retrieve view object as mentioned below
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = DataBindingUtil.inflate(inflater, R.layout.layout_file, container, false).getRoot();
return view;
}
specify @JsonProperty in entity class constructor like this.
......
......
......
@JsonCreator
public Location(@JsonProperty("sl_no") Long sl_no,
@JsonProperty("location")String location,
@JsonProperty("location_type") String
location_type,@JsonProperty("store_sl_no")Long store_sl_no) {
this.sl_no = sl_no;
this.location = location;
this.location_type = location_type;
this.store_sl_no = store_sl_no;
}
.......
.......
.......
From Application Manager, you can delete whole application with data. Or just data by it self. This includes database.
Navigate to Settings. You can get to the settings menu either in your apps menu or, on most phones, by pulling down the notification drawer and tapping a button there.
Select the Apps submenu. On some phones this menu will have a slightly different name such as Application Manager.
Swipe right to the All apps list. Ignore the lists of Running and Downloaded apps. You want the All apps list.
Select the app you wish to disable. A properties screen appears with a button for Force Stop on the upper left and another for either Disable or Uninstall updates on the upper right side.
Delete data.
Assuming you use the declarative style (i.e. ORM classes), it is pretty easy:
query = db_session.query(User.id, User.name).filter(User.id.in_([123,456]))
results = query.all()
db_session
is your database session here, while User
is the ORM class with __tablename__
equal to "users"
.
In Jest you have to pass a function into expect(function).toThrow(<blank or type of error>)
.
Example:
test("Test description", () => {
const t = () => {
throw new TypeError();
};
expect(t).toThrow(TypeError);
});
Or if you also want to check for error message:
test("Test description", () => {
const t = () => {
throw new TypeError("UNKNOWN ERROR");
};
expect(t).toThrow(TypeError);
expect(t).toThrow("UNKNOWN ERROR");
});
If you need to test an existing function whether it throws with a set of arguments, you have to wrap it inside an anonymous function in expect()
.
Example:
test("Test description", () => {
expect(() => {http.get(yourUrl, yourCallbackFn)}).toThrow(TypeError);
});
Another reason this error can occur is if a CA bundle has been removed from your system (and is no longer available in ca-certificates).
This is currently the situation with the GeoTrust Global CA which (among other things) is used to sign Apple's certificate for APNS used for Push Notifications.
Additional details can be found on the bug report here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962596
You can manually add the GeoTrust Global CA certificate on your machine as suggested by Carlos Alberto Lopez Perez:
wget --no-check-certificate -c https://www.geotrust.com/resources/root_certificates/certificates/GeoTrust_Global_CA.pem \
&& mkdir /usr/local/share/ca-certificates/extra \
&& mv GeoTrust_Global_CA.pem /usr/local/share/ca-certificates/extra/GeoTrust_Global_CA.crt \
&& update-ca-certificates
- (NSComparisonResult)caseInsensitiveCompare:(NSString *)aString
In PHP, even if the individual items within an array or properties of an object are empty, the array or object will not evaluate to empty using the empty($subject)
function. In other words, cobbling together a bunch of data that individually tests as "empty" creates a composite that is non-empty.
Use the following PHP function to determine if the items in an array or properties of an object are empty:
function functionallyEmpty($o)
{
if (empty($o)) return true;
else if (is_numeric($o)) return false;
else if (is_string($o)) return !strlen(trim($o));
else if (is_object($o)) return functionallyEmpty((array)$o);
// If it's an array!
foreach($o as $element)
if (functionallyEmpty($element)) continue;
else return false;
// all good.
return true;
}
Example Usage:
$subject = array('', '', '');
empty($subject); // returns false
functionallyEmpty($subject); // returns true
class $Subject {
a => '',
b => array()
}
$theSubject = new Subject();
empty($theSubject); // returns false
functionallyEmpty($theSubject); // returns true
Converting a date String of the format "2011-06-23T15:11:32" to our time zone.
private String getDate(String ourDate)
{
try
{
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
formatter.setTimeZone(TimeZone.getTimeZone("UTC"));
Date value = formatter.parse(ourDate);
SimpleDateFormat dateFormatter = new SimpleDateFormat("MM-dd-yyyy HH:mm"); //this format changeable
dateFormatter.setTimeZone(TimeZone.getDefault());
ourDate = dateFormatter.format(value);
//Log.d("ourDate", ourDate);
}
catch (Exception e)
{
ourDate = "00-00-0000 00:00";
}
return ourDate;
}
I am aware that this question is about C++11. However, for those who googled and landed on this page, templated lambdas are now supported in C++14 and go by the name Generic Lambdas.
[info] Most of the popular compilers support this feature now. Microsoft Visual Studio 2015 supports. Clang supports. GCC supports.
This is from Github's support:
Hey Waldyr,
Markdown doesn't allow you to tweak alignment directly (see docs here: http://daringfireball.net/projects/markdown/syntax#img), but you can just use a raw HTML 'img' tag and do the alignment with inline css.
Cheers,
So it is possible to align images! You just have to use inline css to solve the problem. You can take an example from my github repo. At the bottom of README.md there is a centered aligned image. For simplicity you can just do as follows:
<p align="center">
<img src="http://some_place.com/image.png" />
</p>
Although, as nulltoken said, it would be borderline against the Markdown philosophy!
This code from my readme:
<p align="center">
<img src="https://github.com/waldyr/Sublime-Installer/blob/master/sublime_text.png?raw=true" alt="Sublime's custom image"/>
</p>
Produces this image output, except centered when viewed on GitHub:
<p align="center">
<img src="https://github.com/waldyr/Sublime-Installer/blob/master/sublime_text.png?raw=true" alt="Sublime's custom image"/>
</p>
I really like to sort the keys in one liner code:
print "$_ => $my_hash{$_}\n" for (sort keys %my_hash);
HTML Code:
<form enctype="multipart/form-data" method="POST" action="">
<label>Your Name <input type="text" name="sender_name" /> </label>
<label>Your Email <input type="email" name="sender_email" /> </label>
<label>Your Contact Number <input type="tel" name="contactnumber" /> </label>
<label>Subject <input type="text" name="subject" /> </label>
<label>Message <textarea name="description"></textarea> </label>
<label>Attachment <input type="file" name="attachment" /></label>
<label><input type="submit" name="button" value="Submit" /></label>
</form>
PHP Code:
<?php
if($_POST['button']){
{
//Server Variables
$server_name = "Your Name";
$server_mail = "[email protected]";
//Name Attributes of HTML FORM
$sender_email = "sender_email";
$sender_name = "sender_name";
$contact = "contactnumber";
$mail_subject = "subject";
$input_file = "attachment";
$message = "description";
//Fetching HTML Values
$sender_name = $_POST[$sender_name];
$sender_mail = $_POST[$sender_email];
$message = $_POST[$message];
$contact= $_POST[$contact];
$mail_subject = $_POST[$mail_subject];
//Checking if File is uploaded
if(isset($_FILES[$input_file]))
{
//Main Content
$main_subject = "Subject seen on server's mail";
$main_body = "Hello $server_name,<br><br>
$sender_name ,contacted you through your website and the details are as below: <br><br>
Name : $sender_name <br>
Contact Number : $contact <br>
Email : $sender_mail <br>
Subject : $mail_subject <br>
Message : $message.";
//Reply Content
$reply_subject = "Subject seen on sender's mail";
$reply_body = "Hello $sender_name,<br>
\t Thank you for filling the contact form. We will revert back to you shortly.<br><br>
This is an auto generated mail sent from our Mail Server.<br>
Please do not reply to this mail.<br>
Regards<br>
$server_name";
//#############################DO NOT CHANGE ANYTHING BELOW THIS LINE#############################
$filename= $_FILES[$input_file]['name'];
$file = chunk_split(base64_encode(file_get_contents($_FILES[$input_file]['tmp_name'])));
$uid = md5(uniqid(time()));
//Sending mail to Server
$retval = mail($server_mail, $main_subject, "--$uid\r\nContent-type:text/html; charset=iso-8859-1\r\nContent-Transfer-Encoding: 7bit\r\n\r\n $main_body \r\n\r\n--$uid\r\nContent-Type: application/octet-stream; name=\"$filename\"\r\nContent-Transfer-Encoding: base64\r\nContent-Disposition: attachment; filename=\"$filename\"\r\n\r\n$file\r\n\r\n--$uid--", "From: $sender_name <$sender_mail>\r\nReply-To: $sender_mail\r\nMIME-Version: 1.0\r\nContent-Type: multipart/mixed; boundary=\"$uid\"\r\n\r\n");
//Sending mail to Sender
$retval = mail($sender_mail, $reply_subject, $reply_body , "From: $server_name<$server_mail>\r\nMIME-Version: 1.0\r\nContent-type: text/html\r\n");
//#############################DO NOT CHANGE ANYTHING ABOVE THIS LINE#############################
//Output
if ($retval == true) {
echo "Message sent successfully...";
echo "<script>window.location.replace('index.html');</script>";
} else {
echo "Error<br>";
echo "Message could not be sent...Try again later";
echo "<script>window.location.replace('index.html');</script>";
}
}else{
echo "Error<br>";
echo "File Not Found";
}
}else{
echo "Error<br>";
echo "Unauthorised Access";
}
I had a similar issue reading the serial output from a digital scale. I was reading [3:12] out of a 18 characters long output string.
In my case sometimes there is a null character "\x00" (NUL) which magically appears in the scale's reply string and is not printed.
I was getting the error:
> ' 0.00'
> 3 0 fast loop, delta = 10.0 weight = 0.0
> ' 0.00'
> 1 800 fast loop, delta = 10.0 weight = 0.0
> ' 0.00'
> 6 0 fast loop, delta = 10.0 weight = 0.0
> ' 0\x00.0'
> Traceback (most recent call last):
> File "measure_weight_speed.py", line 172, in start
> valueScale = float(answer_string)
> ValueError: invalid literal for float(): 0
After some research I wrote few lines of code that work in my case.
replyScale = scale_port.read(18)
answer = replyScale[3:12]
answer_decode = answer.replace("\x00", "")
answer_strip = str(answer_decode.strip())
print(repr(answer_strip))
valueScale = float(answer_strip)
The answers in these posts helped:
import json
myDict = {'dict': [{'a': 'none', 'b': 'none', 'c': 'none'}]}
test = json.dumps(myDict)
print(test)
{"dict": [{"a": "none", "b": "none", "c": "none"}]}
myDict['dict'].append(({'a': 'aaaa', 'b': 'aaaa', 'c': 'aaaa'}))
test = json.dumps(myDict)
print(test)
{"dict": [{"a": "none", "b": "none", "c": "none"}, {"a": "aaaa", "b": "aaaa", "c": "aaaa"}]}
Great question. This is really something missing from the Javascript browser API. I'm also working on a WebGL game with my team, and we need this feature. I opened an issue on Firefox's bugzilla so that we can start talking about the possibility of having an API to allow for mouse locking. This is going to be useful for all HTML5/WebGL game developers out there.
If you like, come over and leave a comment with your feedback, and upvote the issue:
https://bugzilla.mozilla.org/show_bug.cgi?id=630979
Thanks!
If it is exactly null
(as opposed to not set):
db.states.find({"cities.name": null})
(but as javierfp points out, it also matches documents that have no cities array at all, I'm assuming that they do).
If it's the case that the property is not set:
db.states.find({"cities.name": {"$exists": false}})
I've tested the above with a collection created with these two inserts:
db.states.insert({"cities": [{name: "New York"}, {name: null}]})
db.states.insert({"cities": [{name: "Austin"}, {color: "blue"}]})
The first query finds the first state, the second query finds the second. If you want to find them both with one query you can make an $or
query:
db.states.find({"$or": [
{"cities.name": null},
{"cities.name": {"$exists": false}}
]})
Personally, as a web developer, I only ever put a span within an anchor tag if I am trying to highlight a section of the links text, such as applying a background to one section.
Python 3.3 introduces Python Launcher for Windows that is installed into c:\Windows\
as py.exe
and pyw.exe
by the installer. The installer also creates associations with .py
and .pyw
. Then add #!python3
or #!python2
as the first lline. No need to add anything to the PATH
environment variable.
Update: Just install Python 3.3 from the official python.org/download. It will add also the launcher. Then add the first line to your script that has the .py
extension. Then you can launch the script by simply typing the scriptname.py
on the cmd line, od more explicitly by py scriptname.py
, and also by double clicking on the scipt icon.
The py.exe
looks for C:\PythonXX\python.exe
where XX
is related to the installed versions of Python at the computer. Say, you have Python 2.7.6 installed into C:\Python27
, and Python 3.3.3 installed into C:\Python33
. The first line in the script will be used by the Python launcher to choose one of the installed versions. The default (i.e. without telling the version explicitly) is to use the highest version of Python 2 that is available on the computer.
It is correctly mentioned in the error: you cannot make a static reference to non-static type T. The reason is the type parameter T
can be replaced by any of the type argument e.g. Clazz<String>
or Clazz<integer>
etc. But static fields/methods are shared by all non-static objects of the class.
The following excerpt is taken from the doc:
A class's static field is a class-level variable shared by all non-static objects of the class. Hence, static fields of type parameters are not allowed. Consider the following class:
public class MobileDevice<T> { private static T os; // ... }
If static fields of type parameters were allowed, then the following code would be confused:
MobileDevice<Smartphone> phone = new MobileDevice<>(); MobileDevice<Pager> pager = new MobileDevice<>(); MobileDevice<TabletPC> pc = new MobileDevice<>();
Because the static field os is shared by phone, pager, and pc, what is the actual type of os? It cannot be Smartphone, Pager, and TabletPC at the same time. You cannot, therefore, create static fields of type parameters.
As rightly pointed out by chris in his answer you need to use type parameter with the method and not with the class in this case. You can write it like:
static <E> void doIt(E object)
Use a JSON parser, like JSON.NET
string json = "{ \"Atlantic/Canary\": \"GMT Standard Time\", \"Europe/Lisbon\": \"GMT Standard Time\", \"Antarctica/Mawson\": \"West Asia Standard Time\", \"Etc/GMT+3\": \"SA Eastern Standard Time\", \"Etc/GMT+2\": \"UTC-02\", \"Etc/GMT+1\": \"Cape Verde Standard Time\", \"Etc/GMT+7\": \"US Mountain Standard Time\", \"Etc/GMT+6\": \"Central America Standard Time\", \"Etc/GMT+5\": \"SA Pacific Standard Time\", \"Etc/GMT+4\": \"SA Western Standard Time\", \"Pacific/Wallis\": \"UTC+12\", \"Europe/Skopje\": \"Central European Standard Time\", \"America/Coral_Harbour\": \"SA Pacific Standard Time\", \"Asia/Dhaka\": \"Bangladesh Standard Time\", \"America/St_Lucia\": \"SA Western Standard Time\", \"Asia/Kashgar\": \"China Standard Time\", \"America/Phoenix\": \"US Mountain Standard Time\", \"Asia/Kuwait\": \"Arab Standard Time\" }";
var data = (JObject)JsonConvert.DeserializeObject(json);
string timeZone = data["Atlantic/Canary"].Value<string>();
Change hidden field value with checkbox toggle like below...
HTML:
<input type='hidden' value='Unchecked' id="deleteAll" name='anyName'>
<input type="checkbox" onclick="toggle(this)"/> Delete All
Script:
function toggle(obj) {`var $input = $(obj);
if ($input.prop('checked')) {
$('#deleteAll').attr( 'value','Checked');
} else {
$('#deleteAll').attr( 'value','Unchecked');
}
}
<asp:LinkButton ID="LinkButton1" runat="server" target="_blank">LinkButton</asp:LinkButton>
Use target="_blank" because It creates anchor markup. the following HTML is generated for above code
<a id="ctl00_ContentPlaceHolder1_LinkButton1" target="_blank" href="javascript:__doPostBack('ctl00$ContentPlaceHolder1$LinkButton1','')">LinkButton</a>
If your on jQuery 1.3+ then use .live()
Binds a handler to an event (like click) for all current - and future - matched element. Can also bind custom events.
private makes the class accessible only to the class in which it is declared. If we make entire class private no one from outside can access the class and makes it useless.
Inner class can be made private because the outer class can access inner class where as it is not the case with if you make outer class private.
Just set cascade to MERGE, that should do the trick.
Use the grepl
function
grepl( needle, haystack, fixed = TRUE)
like so:
grepl(value, chars, fixed = TRUE)
# TRUE
Use ?grepl
to find out more.
you can try this solution, is the best... url(github)
// Transparent Background
// From: http://stackoverflow.com/questions/6902944/sass-mixin-for-background-transparency-back-to-ie8
// Extend this class to save bytes
.transparent-background {
background-color: transparent;
zoom: 1;
}
// The mixin
@mixin transparent($color, $alpha) {
$rgba: rgba($color, $alpha);
$ie-hex-str: ie-hex-str($rgba);
@extend .transparent-background;
background-color: $rgba;
filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#{$ie-hex-str},endColorstr=#{$ie-hex-str});
}
// Loop through opacities from 90 to 10 on an alpha scale
@mixin transparent-shades($name, $color) {
@each $alpha in 90, 80, 70, 60, 50, 40, 30, 20, 10 {
.#{$name}-#{$alpha} {
@include transparent($color, $alpha / 100);
}
}
}
// Generate semi-transparent backgrounds for the colors we want
@include transparent-shades('dark', #000000);
@include transparent-shades('light', #ffffff);
you cannot see the groupBy data directly by print statement but you can see by iterating over the group using for loop try this code to see the group by data
group = df.groupby('A') #group variable contains groupby data
for A,A_df in group: # A is your column and A_df is group of one kind at a time
print(A)
print(A_df)
you will get an output after trying this as a groupby result
I hope it helps
To achieve that one can do it in several ways, namely:
Methods that return the number of occurrence of a single element:
Collections.frequency(animals, "bat");
Java Stream:
Filter
animals.stream().filter("bat"::equals).count();
Just iteration thought the list
public static long manually(Collection<?> c, Object o){
int count = 0;
for(Object e : c)
if(e.equals(o))
count++;
return count;
}
Methods that create a map of frequencies:
Map<String, Long> counts =
animals.stream()
.collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
Map<String, Long> map = new HashMap<>();
c.forEach(e -> map.merge(e, 1L, Long::sum));
Manually
Map<String, Integer> mp = new HashMap<>();
animals.forEach(animal -> mp.compute(animal, (k, v) -> (v == null) ? 1 : v + 1));
A running example with all the methods:
public class Frequency {
public static int frequency(Collection<?> c, Object o){
return Collections.frequency(c, o);
}
public static long filter(Collection<?> c, Object o){
return c.stream().filter(o::equals).count();
}
public static long manually(Collection<?> c, Object o){
int count = 0;
for(Object e : c)
if(e.equals(o))
count++;
return count;
}
public static Map<?, Long> mapGroupBy(Collection<?> c){
return c.stream()
.collect(Collectors.groupingBy(Function.identity() , Collectors.counting()));
}
public static Map<Object, Long> mapMerge(Collection<?> c){
Map<Object, Long> map = new HashMap<>();
c.forEach(e -> map.merge(e, 1L, Long::sum));
return map;
}
public static Map<Object, Long> manualMap(Collection<?> c){
Map<Object, Long> map = new HashMap<>();
c.forEach(e -> map.compute(e, (k, v) -> (v == null) ? 1 : v + 1));
return map;
}
public static void main(String[] args){
List<String> animals = new ArrayList<>();
animals.add("bat");
animals.add("owl");
animals.add("bat");
animals.add("bat");
System.out.println(frequency(animals, "bat"));
System.out.println(filter(animals,"bat"));
System.out.println(manually(animals,"bat"));
mapGroupBy(animals).forEach((k, v) -> System.out.println(k + " -> "+v));
mapMerge(animals).forEach((k, v) -> System.out.println(k + " -> "+v));
manualMap(animals).forEach((k, v) -> System.out.println(k + " -> "+v));
}
}
The methods name should have reflected what those methods are doing, however, I used the name to reflect the approach being used instead (given that in the current context it is okey).
It's because any iterable can be joined (e.g, list, tuple, dict, set), but its contents and the "joiner" must be strings.
For example:
'_'.join(['welcome', 'to', 'stack', 'overflow'])
'_'.join(('welcome', 'to', 'stack', 'overflow'))
'welcome_to_stack_overflow'
Using something other than strings will raise the following error:
TypeError: sequence item 0: expected str instance, int found
NULL-safe condition would looks like:
select * from table
where NOT (tester <=> 'username')
Here's a Bash script that counts the lines of code in a project. It traverses a source tree recursively, and it excludes blank lines and single line comments that use "//".
# $excluded is a regex for paths to exclude from line counting
excluded="spec\|node_modules\|README\|lib\|docs\|csv\|XLS\|json\|png"
countLines(){
# $total is the total lines of code counted
total=0
# -mindepth exclues the current directory (".")
for file in `find . -mindepth 1 -name "*.*" |grep -v "$excluded"`; do
# First sed: only count lines of code that are not commented with //
# Second sed: don't count blank lines
# $numLines is the lines of code
numLines=`cat $file | sed '/\/\//d' | sed '/^\s*$/d' | wc -l`
# To exclude only blank lines and count comment lines, uncomment this:
#numLines=`cat $file | sed '/^\s*$/d' | wc -l`
total=$(($total + $numLines))
echo " " $numLines $file
done
echo " " $total in total
}
echo Source code files:
countLines
echo Unit tests:
cd spec
countLines
Here's what the output looks like for my project:
Source code files:
2 ./buildDocs.sh
24 ./countLines.sh
15 ./css/dashboard.css
53 ./data/un_population/provenance/preprocess.js
19 ./index.html
5 ./server/server.js
2 ./server/startServer.sh
24 ./SpecRunner.html
34 ./src/computeLayout.js
60 ./src/configDiff.js
18 ./src/dashboardMirror.js
37 ./src/dashboardScaffold.js
14 ./src/data.js
68 ./src/dummyVis.js
27 ./src/layout.js
28 ./src/links.js
5 ./src/main.js
52 ./src/processActions.js
86 ./src/timeline.js
73 ./src/udc.js
18 ./src/wire.js
664 in total
Unit tests:
230 ./ComputeLayoutSpec.js
134 ./ConfigDiffSpec.js
134 ./ProcessActionsSpec.js
84 ./UDCSpec.js
149 ./WireSpec.js
731 in total
Enjoy! --Curran
For the sake of completeness and the edge case of wanting to update all columns of a row, you can do the following, but consider that the number and types of the fields must match.
Using a data structure
exec sql UPDATE TESTFILE
SET ROW = :DataDs
WHERE CURRENT OF CURSOR; //If using a cursor for update
Source: rpgpgm.com
SQL only
UPDATE t1 SET ROW = (SELECT *
FROM t2
WHERE t2.c3 = t1.c3)
Source: ibm.com
driver = webdriver.Firefox(...) # Or Chrome(), or Ie(), or Opera()
username = driver.find_element_by_id("username")
password = driver.find_element_by_id("password")
username.send_keys("YourUsername")
password.send_keys("Pa55worD")
driver.find_element_by_name("submit").click()
Notes to your code:
find_element_by_name('Username')
: Username
capitalized doesn't match anything.Select()
is used to act on a Select Element (https://developer.mozilla.org/en-US/docs/Web/HTML/Element/select)For future generations:
To prevent scrolling but keep the contextmenu, try
document.body.addEventListener('touchmove', function(e){ e.preventDefault(); });
It still prevents way more than some might like, but for most browsers the only default behaviour prevented should be scrolling.
For a more sophisticated solution that allows for scrollable elements within the nonscrollable body and prevents rubberband, have a look at my answer over here:
I see a lot of answers here that have you subtracting from the width of the div and/or using box-sizing, but all you need to do is apply the padding the child elements of the div in question. So, for example, if you have some markup like this:
<div id="container">
<p id="text">Find Agents</p>
</div>
All you need to do is apply this CSS:
#text {
padding: 10px;
}
Here is a fiddle showing the difference: http://jsfiddle.net/CHCVF/2/
Or, better yet, if you have multiple elements and don't feel like giving them all the same class, you can do something like this:
.container * {
padding: 5px 10px;
}
Which will select all of the child elements and assign them the padding you want. Here is a fiddle of that in action: http://jsfiddle.net/CHCVF/3/
>>> l = [['40', '20', '10', '30'], ['20', '20', '20', '20', '20', '30', '20'], ['30', '20', '30', '50', '10', '30', '20', '20', '20'], ['100', '100'], ['100', '100', '100', '100', '100'], ['100', '100', '100', '100']]
>>> new_list = [float(x) for xs in l for x in xs]
>>> new_list
[40.0, 20.0, 10.0, 30.0, 20.0, 20.0, 20.0, 20.0, 20.0, 30.0, 20.0, 30.0, 20.0, 30.0, 50.0, 10.0, 30.0, 20.0, 20.0, 20.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0, 100.0]
I got this error after I accidentally published one website into the directory of another website. The two websites had different versions of .net. What fixed it for me was changing the application pool. To do that, in the IIS manager:
click the website => Advanced Settings... (on the right) => click to the right of Application Pool => a button with "..." should appear => select ".NET v4.5 Classic"
If that application pool doesn't work, try some of the others.
Edit: For newer versions of Git, --set-upstream master
has been deprecated, you should use --set-upstream-to
instead:
git branch --set-upstream-to=origin/master master
As it prompted, you can just run:
git branch --set-upstream master origin/master
After that, you can simply run git pull
to update your code.
Finally.. I used:
componentDidMount() {
window.scrollTo(0, 0)
}
EDIT: React v16.8+
useEffect(() => {
window.scrollTo(0, 0)
}, [])
Try this. This method will determine if (two) date spans are overlapping, regardless of the ordering of the method's input arguments. This can also be used with more than two date spans, by individually checking each date span combination (ex. with 3 date spans, run span1
against span2
, span2
against span3
, and span1
against span3
):
public static class HelperFunctions
{
public static bool AreSpansOverlapping(Tuple<DateTime,DateTime> span1, Tuple<DateTime,DateTime> span2, bool includeEndPoints)
{
if (span1 == null || span2 == null)
{
return false;
}
else if ((new DateTime[] { span1.Item1, span1.Item2, span2.Item1, span2.Item2 }).Any(v => v == DateTime.MinValue))
{
return false;
}
else
{
if (span1.Item1 > span1.Item2)
{
span1 = new Tuple<DateTime, DateTime>(span1.Item2, span1.Item1);
}
if (span2.Item1 > span2.Item2)
{
span2 = new Tuple<DateTime, DateTime>(span2.Item2, span2.Item1);
}
if (includeEndPoints)
{
return
((
(span1.Item1 <= span2.Item1 && span1.Item2 >= span2.Item1)
|| (span1.Item1 <= span2.Item2 && span1.Item2 >= span2.Item2)
) || (
(span2.Item1 <= span1.Item1 && span2.Item2 >= span1.Item1)
|| (span2.Item1 <= span1.Item2 && span2.Item2 >= span1.Item2)
));
}
else
{
return
((
(span1.Item1 < span2.Item1 && span1.Item2 > span2.Item1)
|| (span1.Item1 < span2.Item2 && span1.Item2 > span2.Item2)
) || (
(span2.Item1 < span1.Item1 && span2.Item2 > span1.Item1)
|| (span2.Item1 < span1.Item2 && span2.Item2 > span1.Item2)
) || (
span1.Item1 == span2.Item1 && span1.Item2 == span2.Item2
));
}
}
}
}
Test:
static void Main(string[] args)
{
Random r = new Random();
DateTime d1;
DateTime d2;
DateTime d3;
DateTime d4;
for (int i = 0; i < 100; i++)
{
d1 = new DateTime(2012,1, r.Next(1,31));
d2 = new DateTime(2012,1, r.Next(1,31));
d3 = new DateTime(2012,1, r.Next(1,31));
d4 = new DateTime(2012,1, r.Next(1,31));
Console.WriteLine("span1 = " + d1.ToShortDateString() + " to " + d2.ToShortDateString());
Console.WriteLine("span2 = " + d3.ToShortDateString() + " to " + d4.ToShortDateString());
Console.Write("\t");
Console.WriteLine(HelperFunctions.AreSpansOverlapping(
new Tuple<DateTime, DateTime>(d1, d2),
new Tuple<DateTime, DateTime>(d3, d4),
true //or use False, to ignore span's endpoints
).ToString());
Console.WriteLine();
}
Console.WriteLine("COMPLETE");
System.Console.ReadKey();
}
I thought this is a simple example might someone get it easier,
DECLARE @TB1 TABLE
(
No Int
,Name NVarchar(50)
)
DECLARE @TB2 TABLE
(
No Int
,Name NVarchar(50)
)
INSERT INTO @TB1 VALUES(1,'asdf');
INSERT INTO @TB1 VALUES(2,'awerq');
INSERT INTO @TB2 VALUES(1,';oiup');
INSERT INTO @TB2 VALUES(2,'lkjhj');
SELECT * FROM @TB1
UPDATE @TB1 SET Name =S.Name
FROM @TB1 T
INNER JOIN @TB2 S
ON S.No = T.No
SELECT * FROM @TB1
You get "close existing connections to destination database" option only in "Databases context >> Restore Wizard" and NOT ON context of any particular database.
Right Click on the Databases under your Server-Name as shown below:
and select the option: "Restore Database..." from it.
In the "Restore Database" wizard,
Here you can find the checkbox saying, "close existing connections to destination database"
Just check it, and you can proceed for the restore operation.
It automatically will resume all connections after completion of the Restore.
try this:
public boolean verifyPwd(){
if (!(pword.equals(pwdRetypePwd.getText()))){
txtaError.setEditable(true);
txtaError.setText("*Password didn't match!");
txtaError.setForeground(Color.red);
txtaError.setEditable(false);
return false;
}
else {
return true;
}
}
if (verifyPwd()==true){
addNewUser();
}
else {
// passwords do not match
}
Add:
display: inline-block;
to the style of your td
.
Add:
display: inline-block;
word-break: break-word;
to the style of your td
.
Note:
Mind that, as for now, break-word
is not part of the standard specification for webkit; therefore, you might be interested in employing the break-all
instead. This alternative value provides a undoubtedly drastic solution; however, it conforms to the standard.
Add:
display: inline-block;
word-break: break-word;
to the style of your td
.
The previous paragraph applies to Opera in a similar way.
Go to designer.cs file of the form in which you have the grid view and comment the following line: - //this.dataGridView1.AlternatingRowsDefaultCellStyle = dataGridViewCellStyle1;
if you are using vs 2008 or .net framework 3.5 as it will be by default applied to alternating rows.
I came up with this method because while on the CLI, it's not possible to use the methods provided in the other answers here and it had always bugged me.
Basic Example
FOR /L %L IN (0,0,1) DO @(
ECHO. Counter always 0, See "%L" = "0" - Waiting a split second&ping -n 1 127.0.0.1>NUL )
This is truly an infinite loop!
This is useful for monitoring something in a CMD
window, and allows you to use CTRL
+C
to break it when you're done.
Want to Have a counter?
Either use SET /A
OR You can modify the FOR /L
Loop to do the counting and still be infinite (Note, BOTH of these methods have a 32bit integer overflow)
SET /A
Method:
FOR /L %L IN (0,0,1) DO @(
SET /A "#+=1"&ECHO. L Still equals 0, See "%L = 0"! - Waiting a split second &ping -n 1 127.0.0.1>NUL )
Native FOR /L
Counter:
FOR /L %L IN (-2147483648,1,2147483648) DO @(
ECHO.Current value of L: %L - Waiting a split second &ping -n 1 127.0.0.1>NUL )
Counting Sets of 4294967295 and Showing Current Value of L:
FOR /L %L IN (1,1,2147483648) DO @(
(
IF %L EQU 0 SET /A "#+=1">NUL
)&SET /A "#+=0"&ECHO. Sets of 4294967295 - Current value of L: %L - Waiting a split second &ping -n 1 127.0.0.1>NUL )
However, what if:
For this, I determined how to use a couple methods to break the FOR
Loop prematurely effectively turning it into a "DO WHILE
" or "DO UNTIL
" Loop, which is otherwise sorely lacking in CMD.
NOTE: Most of the time a loop will continue to iterate past the condition you checked for, often this is a wanted behavior, but not in our case.
DO WHILE
" / "DO UNTIL
" LoopUPDATE: Due to wanting to use this code in CMD Scripts (and have them persist!) as well as CLI, and on thinking if there might be a "more Correct" method to achieve this I recommend using the New method!
New Method (Can be used inside CMD Scripts without exiting the script):
FOR /F %%A IN ('
CMD /C "FOR /L %%L IN (0,1,2147483648) DO @( ECHO.%%L & IF /I %%L EQU 10 ( exit /b ) )"
') DO @(
ECHO %%~A
)
At CLI:
FOR /F %A IN ('
CMD /C "FOR /L %L IN (0,1,2147483648) DO @( ECHO.%L & IF /I %L EQU 10 ( exit /b ) )"
') DO @(
ECHO %~A
)
Original Method (Will work on CLI just fine, but will kill a script.)
FOR /L %L IN (0,1,2147483648) DO @(
ECHO.Current value of L: %L - Waiting a split second &ping -n 1 127.0.0.1>NUL&(
IF /I %L EQU 10 (
ECHO.Breaking the Loop! Because We have matched the condition!&DIR >&0
)
)
) 2>NUL
Through chance I had hit upon some ways to exit loops prematurely that did not close the CMD prompt when trying to do other things which gave me this Idea.
While ECHO.>&3 >NUL
had worked for me in some scenarios, I have played with this off and on over the years and found that DIR >&0 >NUL
was much more consistent.
I am re-writing this answer from here forward to use that method instead as I recently found the old note to myself to use this method instead.
DIR >&0 >NUL
The >NUL is optional, I just prefer not to have it output the error.
I prefer to match inLine when possible, as you can see in this sanitized example of a Command I use to monitor LUN Migrations on our VNX.
for /l %L IN (0,0,1) DO @(
ECHO.& ECHO.===========================================& (
[VNX CMD] | FINDSTR /R /C:"Source LU Name" /C:"State:" /C:"Time " || DIR >&0 >NUL
) & Ping -n 10 1.1.1.1 -w 1000>NUL )
Also, I have another method I found in that note to myself which I just re-tested to confirm works just as well at the CLI as the other method.
Apparently, when I first posted here I posted an older iteration I was playing with instead of the two newer ones which work better:
In this method, we use EXIT /B
to exit the For Loop, but we don't want to exit the CLI so we wrap it in a CMD session:
FOR /F %A IN ('CMD /C "FOR /L %L IN (0,1,10000000) DO @( ECHO.%L & IF /I %L EQU 10 ( exit /b ) )" ') DO @(ECHO %~A)
Because the loop itself happens in the CMD session, we can use EXIT /B to exit the iteration of the loop without losing our CMD Session, and without waiting for the loop to complete, much the same as with the other method.
I would go so far as to say that this method is likely the "intended" method for the sort of scenario where you want to break a for loop at the CLI, as using CMD session is also the only way to get Delayed expansion working at the CLI for your loops, and the behavior and such behavior is clearly an intended workflow to leave a CMD session.
IE: Microsoft clearly made an intentional effort to have CMD Exit /B For loops behave this way, while the "Intended" way of doing this, as my other method, relies on having accidentally created just the right error to kick you out of the loop without letting the loop finish processing, which I only happenstantially discovered, and seems to only reliably work when using the DIR command which is fairly strange.
So that said, I think it's probably a better practice to use Method 2:
FOR /F %A IN ('CMD /C "FOR /L %L IN (0,1,10000000) DO @( ECHO.%L & IF /I %L EQU 10 ( exit /b ) )" ') DO @(ECHO %~A)
Although I suspect Method 1 is going to be slightly faster:
FOR /L %L IN (0,1,10000000) DO @( ECHO.%L & IF /I %L EQU 10 ( DIR >&) >NUL ) )
And in either case, both should allow DO-While loops as you need for your purposes.
I think the simplest way would be
return new Friend[0];
The requirements of the return are merely that the method return an object which implements IEnumerable<Friend>
. The fact that under different circumstances you return two different kinds of objects is irrelevant, as long as both implement IEnumerable.
These tips on MySQL and UTF-8 may be helpful. Unfortunately, they don't constitute a full solution, just common gotchas.
I personally made this python code to change the color of a whole image opened or created with openCV . I am sorry if it's not good enough , I am beginner .
def OpenCvImgColorChanger(img,blue = 0,green = 0,red = 0):
line = 1
ImgColumn = int(img.shape[0])-2
ImgRaw = int(img.shape[1])-2
for j in range(ImgColumn):
for i in range(ImgRaw):
if i == ImgRaw-1:
line +=1
img[line][i][2] = int(red)
img[line][i][1] = int(green)
img[line][i][0] = int(blue)
If all other options have failed, trying recreating the data import task and/or the connection manager. If you've made any changes since the task was originally created, this can sometimes do the trick. I know it's the equivalent of rebooting, but, hey, if it works, it works.
The below code worked for me -
window.open('location', '_self', '');
window.close();
Tested on Chrome 43.0.2357.81
You can pass the ng-model value through the ng-change function as a parameter:
<select
ng-model="blisterPackTemplateSelected"
data-ng-options="blisterPackTemplate as blisterPackTemplate.name for blisterPackTemplate in blisterPackTemplates"
ng-change="changedValue(blisterPackTemplateSelected)">
<option value="">Select Account</option>
</select>
It's a bit difficult to know your scenario without seeing it, but this should work.
Use css property - white-space: nowrap;
Well, I would do it like this:
select datediff(minute,'1990-1-1',datetime)
where '1990-1-1' is an arbitrary base datetime.
After a bit of time (and more searching), I found this blog entry by Jomo Fisher.
One of the recent problems we’ve seen is that, because of the support for side-by-side runtimes, .NET 4.0 has changed the way that it binds to older mixed-mode assemblies. These assemblies are, for example, those that are compiled from C++\CLI. Currently available DirectX assemblies are mixed mode. If you see a message like this then you know you have run into the issue:
Mixed mode assembly is built against version 'v1.1.4322' of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information.
[Snip]
The good news for applications is that you have the option of falling back to .NET 2.0 era binding for these assemblies by setting an app.config flag like so:
<startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0"/> </startup>
So it looks like the way the runtime loads mixed-mode assemblies has changed. I can't find any details about this change, or why it was done. But the useLegacyV2RuntimeActivationPolicy
attribute reverts back to CLR 2.0 loading.
Code example:
HashMap<Integer,String> h = new HashMap<Integer,String> ();
h.put(null,null);
h.put(null, "a");
System.out.println(h);
Output:
{null=a}
Just use cd /d %root%
to switch driver letters and change directories.
Alternatively, use pushd %root%
to switch drive letters when changing directories as well as storing the previous directory on a stack so you can use popd
to switch back.
Note that pushd
will also allow you to change directories to a network share. It will actually map a network drive for you, then unmap it when you execute the popd
for that directory.
Your problem is caused by the lack of markers OpenGraph, as you say it is not possible that you implement for some reason.
For you, the only solution is to use the PHP Facebook API.
When creating the application you will have two key data for your code:
YOUR_APP_ID
YOUR_APP_SECRET
Download the Facebook PHP SDK from here.
You can start with this code for share content from your site:
<?php
// Remember to copy files from the SDK's src/ directory to a
// directory in your application on the server, such as php-sdk/
require_once('php-sdk/facebook.php');
$config = array(
'appId' => 'YOUR_APP_ID',
'secret' => 'YOUR_APP_SECRET',
'allowSignedRequest' => false // optional but should be set to false for non-canvas apps
);
$facebook = new Facebook($config);
$user_id = $facebook->getUser();
?>
<html>
<head></head>
<body>
<?php
if($user_id) {
// We have a user ID, so probably a logged in user.
// If not, we'll get an exception, which we handle below.
try {
$ret_obj = $facebook->api('/me/feed', 'POST',
array(
'link' => 'www.example.com',
'message' => 'Posting with the PHP SDK!'
));
echo '<pre>Post ID: ' . $ret_obj['id'] . '</pre>';
// Give the user a logout link
echo '<br /><a href="' . $facebook->getLogoutUrl() . '">logout</a>';
} catch(FacebookApiException $e) {
// If the user is logged out, you can have a
// user ID even though the access token is invalid.
// In this case, we'll get an exception, so we'll
// just ask the user to login again here.
$login_url = $facebook->getLoginUrl( array(
'scope' => 'publish_stream'
));
echo 'Please <a href="' . $login_url . '">login.</a>';
error_log($e->getType());
error_log($e->getMessage());
}
} else {
// No user, so print a link for the user to login
// To post to a user's wall, we need publish_stream permission
// We'll use the current URL as the redirect_uri, so we don't
// need to specify it here.
$login_url = $facebook->getLoginUrl( array( 'scope' => 'publish_stream' ) );
echo 'Please <a href="' . $login_url . '">login.</a>';
}
?>
</body>
</html>
You can find more examples in the Facebook Developers site:
Another approach to count number of list elements:
var num = $("#menu").find("li").length;_x000D_
if (num > 1) {_x000D_
console.log(num);_x000D_
}
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<ul id="menu">_x000D_
<li>Element 1</li>_x000D_
<li>Element 2</li>_x000D_
<li>Element 3</li>_x000D_
</ul>
_x000D_
You need to open the project file of your program and it should appear on Management panel.
Right click on the project file, then select add file. You should add the 3 source code (secrypt.h, secrypt.cpp, and the trial.cpp)
Compile and enjoy. Hope, I could help you.
I used these options to convert to the H.264/AAC .mp4 format for HTML5 playback (I think it may help other guys with this problem in some way):
ffmpeg -i input.flv -vcodec mpeg4 -acodec aac output.mp4
UPDATE
As @LordNeckbeard mentioned, the previous line will produce MPEG-4 Part 2
(back in 2012 that worked somehow, I don't remember/understand why). Use the libx264
encoder to produce the proper video with H.264/AAC. To test the output file you can just drag it to a browser window and it should playback just fine.
ffmpeg -i input.flv -vcodec libx264 -acodec aac output.mp4
<TextBlock Text="Stuff on line1
Stuff on line 2"/>
You can use any hexadecimally encoded value to represent a literal. In this case, I used the line feed (char 10). If you want to do "classic" vbCrLf
, then you can use 

By the way, note the syntax: It's the ampersand, a pound, the letter x, then the hex value of the character you want, and then finally a semi-colon.
ALSO: For completeness, you can bind to a text that already has the line feeds embedded in it like a constant in your code behind, or a variable constructed at runtime.
This is the easier way I had ever found. Fast and only two lines of code :-D
$keys = array_keys($array);
echo $array[$keys[0]];
For VC, here's the test about forward declaration and specifying underlying type:
typedef int myint; enum T ; void foo(T * tp ) { * tp = (T)0x12345678; } enum T : char { A };
But got the warning for /W4(/W3 not incur this warning)
warning C4480: nonstandard extension used: specifying underlying type for enum 'T'
VC(Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 15.00.30729.01 for 80x86) looks buggy in the above case:
?foo@@YAXPAW4T@@@Z PROC ; foo ; File e:\work\c_cpp\cpp_snippet.cpp ; Line 13 push ebp mov ebp, esp ; Line 14 mov eax, DWORD PTR _tp$[ebp] mov DWORD PTR [eax], 305419896 ; 12345678H ; Line 15 pop ebp ret 0 ?foo@@YAXPAW4T@@@Z ENDP ; foo
The above assembly code is extracted from /Fatest.asm directly, not my personal guess. Do you see the mov DWORD PTR[eax], 305419896 ; 12345678H line?
the following code snippet proves it:
int main(int argc, char *argv) { union { char ca[4]; T t; }a; a.ca[0] = a.ca[1] = a.[ca[2] = a.ca[3] = 1; foo( &a.t) ; printf("%#x, %#x, %#x, %#x\n", a.ca[0], a.ca[1], a.ca[2], a.ca[3] ); return 0; }
the result is: 0x78, 0x56, 0x34, 0x12
the above key instruction becomes:
mov BYTE PTR [eax], 120 ; 00000078H
the final result is: 0x78, 0x1, 0x1, 0x1
Note the value is not being overwritten
So using of the forward-declaration of enum in VC is considered harmful.
BTW, to not surprise, the syntax for declaration of the underlying type is same as its in C#. In pratice I found it's worth to save 3 bytes by specifying the underlying type as char when talk to the embedded system, which is memory limited.
In your link function, do this:
// link function
function (scope, element, attrs) {
var myEl = angular.element(element[0].querySelector('.list-scrollable'));
}
Also, in your link function, don't name your scope
variable using a $
. That is an angular convention that is specific to built in angular services, and is not something that you want to use for your own variables.
You cannot get this in general. From Javascript, you can only get the HTTP header, which may or may not have an IP address (typically only has the host name). Part of the browser's program is to abstract the TCP/IP address away and only allow you to deal with a host name.
You can find a complete and very simple java class for sending emails using Google(gmail) account here, Send email message using java application
It uses following properties
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
The answer given by Nico O is correct. However this doesn't get the desired result on Internet Explorer 10 to 11 and Firefox.
For IE, I found that changing
.flex > div
{
flex: 1 0 50%;
}
to
.flex > div
{
flex: 1 0 45%;
}
seems to do the trick. Don't ask me why, I haven't gone any further into this but it might have something to do with how IE renders the border-box or something.
In the case of Firefox I solved it by adding
display: inline-block;
to the items.
class ArrayComparator implements Comparator<Comparable[]> {
private final int columnToSort;
private final boolean ascending;
public ArrayComparator(int columnToSort, boolean ascending) {
this.columnToSort = columnToSort;
this.ascending = ascending;
}
public int compare(Comparable[] c1, Comparable[] c2) {
int cmp = c1[columnToSort].compareTo(c2[columnToSort]);
return ascending ? cmp : -cmp;
}
}
This way you can handle any type of data in those arrays (as long as they're Comparable) and you can sort any column in ascending or descending order.
String[][] data = getData();
Arrays.sort(data, new ArrayComparator(0, true));
PS: make sure you check for ArrayIndexOutOfBounds
and others.
EDIT: The above solution would only be helpful if you are able to actually store a java.util.Date
in the first column or if your date format allows you to use plain String comparison for those values. Otherwise, you need to convert that String to a Date, and you can achieve that using a callback interface (as a general solution). Here's an enhanced version:
class ArrayComparator implements Comparator<Object[]> {
private static Converter DEFAULT_CONVERTER = new Converter() {
@Override
public Comparable convert(Object o) {
// simply assume the object is Comparable
return (Comparable) o;
}
};
private final int columnToSort;
private final boolean ascending;
private final Converter converter;
public ArrayComparator(int columnToSort, boolean ascending) {
this(columnToSort, ascending, DEFAULT_CONVERTER);
}
public ArrayComparator(int columnToSort, boolean ascending, Converter converter) {
this.columnToSort = columnToSort;
this.ascending = ascending;
this.converter = converter;
}
public int compare(Object[] o1, Object[] o2) {
Comparable c1 = converter.convert(o1[columnToSort]);
Comparable c2 = converter.convert(o2[columnToSort]);
int cmp = c1.compareTo(c2);
return ascending ? cmp : -cmp;
}
}
interface Converter {
Comparable convert(Object o);
}
class DateConverter implements Converter {
private static final DateFormat df = new SimpleDateFormat("yyyy.MM.dd hh:mm");
@Override
public Comparable convert(Object o) {
try {
return df.parse(o.toString());
} catch (ParseException e) {
throw new IllegalArgumentException(e);
}
}
}
And at this point, you can sort on your first column with:
Arrays.sort(data, new ArrayComparator(0, true, new DateConverter());
I skipped the checks for nulls and other error handling issues.
I agree this is starting to look like a framework already. :)
Last (hopefully) edit: I only now realize that your date format allows you to use plain String comparison. If that is the case, you don't need the "enhanced version".
As always, read Bootstrap's great documentation:
3.x Docs: https://getbootstrap.com/docs/3.3/css/#grid-nesting
Make sure the parent level row is inside of a .container
element. Whenever you'd like to nest rows, just open up a new .row
inside of your column.
Here's a simple layout to work from:
<div class="container">
<div class="row">
<div class="col-xs-6">
<div class="big-box">image</div>
</div>
<div class="col-xs-6">
<div class="row">
<div class="col-xs-6"><div class="mini-box">1</div></div>
<div class="col-xs-6"><div class="mini-box">2</div></div>
<div class="col-xs-6"><div class="mini-box">3</div></div>
<div class="col-xs-6"><div class="mini-box">4</div></div>
</div>
</div>
</div>
</div>
4.0 Docs: http://getbootstrap.com/docs/4.0/layout/grid/#nesting
Here's an updated version for 4.0, but you should really read the entire docs section on the grid so you understand how to leverage this powerful feature
<div class="container">
<div class="row">
<div class="col big-box">
image
</div>
<div class="col">
<div class="row">
<div class="col mini-box">1</div>
<div class="col mini-box">2</div>
</div>
<div class="row">
<div class="col mini-box">3</div>
<div class="col mini-box">4</div>
</div>
</div>
</div>
</div>
Which will look like this (with a little bit of added styling):
Your code works, but it uses deprecated methods to do so. You should use the CSS text-align
property to do this rather than the align property. Even so, it must be your browser or something else affecting it. Try this demo in Chrome (I had to disable normalize.css to get it to render).
Most of it is explained in the GC Tuning Guide (which you would do well to read anyway).
The command line option
-verbose:gc
causes information about the heap and garbage collection to be printed at each collection. For example, here is output from a large server application:[GC 325407K->83000K(776768K), 0.2300771 secs] [GC 325816K->83372K(776768K), 0.2454258 secs] [Full GC 267628K->83769K(776768K), 1.8479984 secs]
Here we see two minor collections followed by one major collection. The numbers before and after the arrow (e.g.,
325407K->83000K
from the first line) indicate the combined size of live objects before and after garbage collection, respectively. After minor collections the size includes some objects that are garbage (no longer alive) but that cannot be reclaimed. These objects are either contained in the tenured generation, or referenced from the tenured or permanent generations.The next number in parentheses (e.g.,
(776768K)
again from the first line) is the committed size of the heap: the amount of space usable for java objects without requesting more memory from the operating system. Note that this number does not include one of the survivor spaces, since only one can be used at any given time, and also does not include the permanent generation, which holds metadata used by the virtual machine.The last item on the line (e.g.,
0.2300771 secs
) indicates the time taken to perform the collection; in this case approximately a quarter of a second.The format for the major collection in the third line is similar.
The format of the output produced by
-verbose:gc
is subject to change in future releases.
I'm not certain why there's a PSYoungGen in yours; did you change the garbage collector?
Like it's written up there, you forget to type #include <sstream>
#include <sstream>
using namespace std;
QString Stats_Manager::convertInt(int num)
{
stringstream ss;
ss << num;
return ss.str();
}
You can also use some other ways to convert int
to string
, like
char numstr[21]; // enough to hold all numbers up to 64-bits
sprintf(numstr, "%d", age);
result = name + numstr;
check this!
I discovered that I had to include
body { width:100%; }
for "margin: 0 auto" to work for tables.
Here is an example which might help someone:
Grid test = new Grid();
test.ColumnDefinitions.Add(new ColumnDefinition());
test.ColumnDefinitions.Add(new ColumnDefinition());
test.RowDefinitions.Add(new RowDefinition());
test.RowDefinitions.Add(new RowDefinition());
test.RowDefinitions.Add(new RowDefinition());
Label t1 = new Label();
t1.Content = "Test1";
Label t2 = new Label();
t2.Content = "Test2";
Label t3 = new Label();
t3.Content = "Test3";
Label t4 = new Label();
t4.Content = "Test4";
Label t5 = new Label();
t5.Content = "Test5";
Label t6 = new Label();
t6.Content = "Test6";
Grid.SetColumn(t1, 0);
Grid.SetRow(t1, 0);
test.Children.Add(t1);
Grid.SetColumn(t2, 1);
Grid.SetRow(t2, 0);
test.Children.Add(t2);
Grid.SetColumn(t3, 0);
Grid.SetRow(t3, 1);
test.Children.Add(t3);
Grid.SetColumn(t4, 1);
Grid.SetRow(t4, 1);
test.Children.Add(t4);
Grid.SetColumn(t5, 0);
Grid.SetRow(t5, 2);
test.Children.Add(t5);
Grid.SetColumn(t6, 1);
Grid.SetRow(t6, 2);
test.Children.Add(t6);
Two other alternatives:
a combination of NULLIF
and NVL2
. You can only use this if emp_id
is NOT NULL
, which it is in your case:
select nvl2(nullif(emp_id,1),'False','True') from employee;
simple CASE
expression (Mt. Schneiders used a so-called searched CASE
expression)
select case emp_id when 1 then 'True' else 'False' end from employee;
This work for me and always keeps two digits fractions
23.1 ==> 23.10
25.569 ==> 25.56
1 ==> 1.00
Cast(CONVERT(DECIMAL(10,2),Value1) as nvarchar) AS Value2
That approach will be good if the date-time in question is in UTC, or represents local time in an area that has never observed daylight saving time. The DateTime difference routines do not take into account Daylight Saving Time, and consequently will regard midnight June 1 as being a multiple of 24 hours after midnight January 1. I'm unaware of anything in Windows that reports historical daylight-saving rules for the current locale, so I don't think there's any good way to correctly handle any time prior to the most recent daylight-saving rule change.
you should change the adb port with this command:
adb reverse tcp:8880 tcp:8880; adb reverse tcp:8081 tcp:8081; adb reverse tcp:8881 tcp:8881