For completeness, I ran into this issue as well. In my case it turned out that because I had set Clang as my default compiler (using update-alternatives
), nvidia-driver-440
failed to compile (check /var/crash/
) even though apt
didn't post any warnings. For me, the solution was to apt purge nvidia-*
, set cc
back to use gcc
, reboot, and reinstall nvidia-driver-440
.
Surfing the web, you will find many technical justifications for Quadro price. Real answer is in "demand for reliable and task specific graphic cards".
Imagine you have an architectural firm with many fat projects on deadline. Your computers are only used in working with one specific CAD software. If foundation of your business is supposed to rely on these computers, you would want to make sure this foundation is strong.
For such clients, Nvidia engineered cards like Quadro, providing what they call "Professional Solution". And if you are among the targeted clients, you would really appreciate reliability of these graphic cards.
Many believe Geforce have become powerful and reliable enough to take Quadro's place. But in the end, it depends on the software you are mostly going to use and importance of reliability in what you do.
Please check if the setting Generate Debug Info is Yes which under Project Propeties > Configuration Properties > Linker > Debugging tab. If not, try to change it to Yes.
Those perticular pdb's ( for ntdll.dll, mscoree.dll, kernel32.dll, etc ) are for the windows API and shouldn't be needed for simple apps. However, if you cannot find pdb's for your own compiled projects, I suggest making sure the Project Properties > Configuration Properties > Debugging > Working Directory uses the value from Project Properties > Configuration Properties > General > Output Directory .
You need to run Visual c++ in "Run as Administrator" mode.Right click on the executable and click "Run as Administrator"
In case of someone else is doing it in Python and it is not working, try to set it before do the imports of pycuda and tensorflow.
I.e.:
import os
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = "0"
...
import pycuda.autoinit
import tensorflow as tf
...
As saw here.
Create a tensor on the GPU as follows:
$ python
>>> import torch
>>> print(torch.rand(3,3).cuda())
Do not quit, open another terminal and check if the python process is using the GPU using:
$ nvidia-smi
I think it is going to be possible soon in AMD FirePro GPU's, see press release here but support is coming 2016 Q1 for the developing tools:
An early access program for the "Boltzmann Initiative" tools is planned for Q1 2016.
Suppose a 9800GT GPU:
https://www.tutorialspoint.com/cuda/cuda_threads.htm
A block cannot have more active threads than 512 therefore __syncthreads
can only synchronize limited number of threads. i.e. If you execute the following with 600 threads:
func1();
__syncthreads();
func2();
__syncthreads();
then the kernel must run twice and the order of execution will be:
Note:
The main point is __syncthreads
is a block-wide operation and it does not synchronize all threads.
I'm not sure about the exact number of threads that __syncthreads
can synchronize, since you can create a block with more than 512 threads and let the warp handle the scheduling. To my understanding it's more accurate to say: func1 is executed at least for the first 512 threads.
Before I edited this answer (back in 2010) I measured 14x8x32 threads were synchronized using __syncthreads
.
I would greatly appreciate if someone test this again for a more accurate piece of information.
The answers above point out how the block size can impact performance and suggest a common heuristic for its choice based on occupancy maximization. Without wanting to provide the criterion to choose the block size, it would be worth mentioning that CUDA 6.5 (now in Release Candidate version) includes several new runtime functions to aid in occupancy calculations and launch configuration, see
CUDA Pro Tip: Occupancy API Simplifies Launch Configuration
One of the useful functions is cudaOccupancyMaxPotentialBlockSize
which heuristically calculates a block size that achieves the maximum occupancy. The values provided by that function could be then used as the starting point of a manual optimization of the launch parameters. Below is a little example.
#include <stdio.h>
/************************/
/* TEST KERNEL FUNCTION */
/************************/
__global__ void MyKernel(int *a, int *b, int *c, int N)
{
int idx = threadIdx.x + blockIdx.x * blockDim.x;
if (idx < N) { c[idx] = a[idx] + b[idx]; }
}
/********/
/* MAIN */
/********/
void main()
{
const int N = 1000000;
int blockSize; // The launch configurator returned block size
int minGridSize; // The minimum grid size needed to achieve the maximum occupancy for a full device launch
int gridSize; // The actual grid size needed, based on input size
int* h_vec1 = (int*) malloc(N*sizeof(int));
int* h_vec2 = (int*) malloc(N*sizeof(int));
int* h_vec3 = (int*) malloc(N*sizeof(int));
int* h_vec4 = (int*) malloc(N*sizeof(int));
int* d_vec1; cudaMalloc((void**)&d_vec1, N*sizeof(int));
int* d_vec2; cudaMalloc((void**)&d_vec2, N*sizeof(int));
int* d_vec3; cudaMalloc((void**)&d_vec3, N*sizeof(int));
for (int i=0; i<N; i++) {
h_vec1[i] = 10;
h_vec2[i] = 20;
h_vec4[i] = h_vec1[i] + h_vec2[i];
}
cudaMemcpy(d_vec1, h_vec1, N*sizeof(int), cudaMemcpyHostToDevice);
cudaMemcpy(d_vec2, h_vec2, N*sizeof(int), cudaMemcpyHostToDevice);
float time;
cudaEvent_t start, stop;
cudaEventCreate(&start);
cudaEventCreate(&stop);
cudaEventRecord(start, 0);
cudaOccupancyMaxPotentialBlockSize(&minGridSize, &blockSize, MyKernel, 0, N);
// Round up according to array size
gridSize = (N + blockSize - 1) / blockSize;
cudaEventRecord(stop, 0);
cudaEventSynchronize(stop);
cudaEventElapsedTime(&time, start, stop);
printf("Occupancy calculator elapsed time: %3.3f ms \n", time);
cudaEventRecord(start, 0);
MyKernel<<<gridSize, blockSize>>>(d_vec1, d_vec2, d_vec3, N);
cudaEventRecord(stop, 0);
cudaEventSynchronize(stop);
cudaEventElapsedTime(&time, start, stop);
printf("Kernel elapsed time: %3.3f ms \n", time);
printf("Blocksize %i\n", blockSize);
cudaMemcpy(h_vec3, d_vec3, N*sizeof(int), cudaMemcpyDeviceToHost);
for (int i=0; i<N; i++) {
if (h_vec3[i] != h_vec4[i]) { printf("Error at i = %i! Host = %i; Device = %i\n", i, h_vec4[i], h_vec3[i]); return; };
}
printf("Test passed\n");
}
EDIT
The cudaOccupancyMaxPotentialBlockSize
is defined in the cuda_runtime.h
file and is defined as follows:
template<class T>
__inline__ __host__ CUDART_DEVICE cudaError_t cudaOccupancyMaxPotentialBlockSize(
int *minGridSize,
int *blockSize,
T func,
size_t dynamicSMemSize = 0,
int blockSizeLimit = 0)
{
return cudaOccupancyMaxPotentialBlockSizeVariableSMem(minGridSize, blockSize, func, __cudaOccupancyB2DHelper(dynamicSMemSize), blockSizeLimit);
}
The meanings for the parameters is the following
minGridSize = Suggested min grid size to achieve a full machine launch.
blockSize = Suggested block size to achieve maximum occupancy.
func = Kernel function.
dynamicSMemSize = Size of dynamically allocated shared memory. Of course, it is known at runtime before any kernel launch. The size of the statically allocated shared memory is not needed as it is inferred by the properties of func.
blockSizeLimit = Maximum size for each block. In the case of 1D kernels, it can coincide with the number of input elements.
Note that, as of CUDA 6.5, one needs to compute one's own 2D/3D block dimensions from the 1D block size suggested by the API.
Note also that the CUDA driver API contains functionally equivalent APIs for occupancy calculation, so it is possible to use cuOccupancyMaxPotentialBlockSize
in driver API code in the same way shown for the runtime API in the example above.
Sometimes it can be at: C:\Users\user-name\AppData\Local\Programs\Git\cmd
. Checking your PATH environment variable for USER and for SYSTEM can give you that.
This is also one possibility: Make Sure that you should write this code before the route in your app.js(or index.js) file.
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
I encounter this problem, because I have <VirtualHost>
defined both in httpd.conf and httpd-ssl.conf.
in httpd.conf, it's defined as
<VirtualHost localhost>
in httpd-ssl.conf, it's defined as
<VirtualHost _default_:443>
The following change solved this problem, add :80 in httpd.conf
<VirtualHost localhost:80>
I just check if object is null , it works 100% for me
try
{
var ID = Convert.ToInt32(Request.Params["ID"]);
var Cert = (from cert in db.TblCompCertUploads where cert.CertID == ID select cert).FirstOrDefault();
if (Cert != null)
{
db.TblCompCertUploads.DeleteObject(Cert);
db.SaveChanges();
ViewBag.Msg = "Deleted Successfully";
}
else
{
ViewBag.Msg = "Not Found !!";
}
}
catch
{
ViewBag.Msg = "Something Went wrong";
}
Three tables (one for storing all items, one for all tags, and one for the relation between the two), properly indexed, with foreign keys set running on a proper database, should work well and scale properly.
Table: Item
Columns: ItemID, Title, Content
Table: Tag
Columns: TagID, Title
Table: ItemTag
Columns: ItemID, TagID
Macros in Notepad++ are just a bunch of encoded operations: you start recording, operate on the buffer, perhaps activating menus, stop recording then play the macro.
After investigation, I found out they are saved in the file shortcuts.xml in the Macros section. For example, I have there:
<Macro name="Trim Trailing and save" Ctrl="no" Alt="yes" Shift="yes" Key="83">
<Action type="1" message="2170" wParam="0" lParam="0" sParam=" " />
<Action type="1" message="2170" wParam="0" lParam="0" sParam=" " />
<Action type="1" message="2170" wParam="0" lParam="0" sParam=" " />
<Action type="0" message="2327" wParam="0" lParam="0" sParam="" />
<Action type="0" message="2327" wParam="0" lParam="0" sParam="" />
<Action type="2" message="0" wParam="42024" lParam="0" sParam="" />
<Action type="2" message="0" wParam="41006" lParam="0" sParam="" />
</Macro>
I haven't looked at the source, but from the look, I would say we have messages sent to Scintilla (the editing component, perhaps type 0 and 1), and to Notepad++ itself (probably activating menu items).
I don't think it will record actions in dialogs (like search/replace).
Looking at Scintilla.iface file, we can see that 2170 is the code of ReplaceSel (ie. insert string is nothing is selected), 2327 is Tab command, and Resource Hacker (just have it handy...) shows that 42024 is "Trim Trailing Space" menu item and 41006 is "Save".
I guess action type 0 is for Scintilla commands with numerical params, type 1 is for commands with string parameter, 2 is for Notepad++ commands.
Problem: Scintilla doesn't have a "Replace all" command: it is the task of the client to do the iteration, with or without confirmation, etc.
Another problem: it seems type 1 action is limited to 1 char (I edited manually, when exiting N++ it was truncated).
I tried some tricks, but I fear such task is beyond the macro capabilities.
Maybe that's where SciTE with its Lua scripting ability (or Programmer's Notepad which seems to be scriptable with Python) has an edge... :-)
[EDIT] Looks like I got the above macro from this thread or a similar place... :-) I guess the first lines are unnecessary (side effect or recording) but they were good examples of macro code anyway.
The difference between absolute and relative imports come into play only when you import a module from a package and that module imports an other submodule from that package. See the difference:
$ mkdir pkg
$ touch pkg/__init__.py
$ touch pkg/string.py
$ echo 'import string;print(string.ascii_uppercase)' > pkg/main1.py
$ python2
Python 2.7.9 (default, Dec 13 2014, 18:02:08) [GCC] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pkg.main1
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "pkg/main1.py", line 1, in <module>
import string;print(string.ascii_uppercase)
AttributeError: 'module' object has no attribute 'ascii_uppercase'
>>>
$ echo 'from __future__ import absolute_import;import string;print(string.ascii_uppercase)' > pkg/main2.py
$ python2
Python 2.7.9 (default, Dec 13 2014, 18:02:08) [GCC] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pkg.main2
ABCDEFGHIJKLMNOPQRSTUVWXYZ
>>>
In particular:
$ python2 pkg/main2.py
Traceback (most recent call last):
File "pkg/main2.py", line 1, in <module>
from __future__ import absolute_import;import string;print(string.ascii_uppercase)
AttributeError: 'module' object has no attribute 'ascii_uppercase'
$ python2
Python 2.7.9 (default, Dec 13 2014, 18:02:08) [GCC] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pkg.main2
ABCDEFGHIJKLMNOPQRSTUVWXYZ
>>>
$ python2 -m pkg.main2
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Note that python2 pkg/main2.py
has a different behaviour then launching python2
and then importing pkg.main2
(which is equivalent to using the -m
switch).
If you ever want to run a submodule of a package always use the -m
switch which prevents the interpreter for chaining the sys.path
list and correctly handles the semantics of the submodule.
Also, I much prefer using explicit relative imports for package submodules since they provide more semantics and better error messages in case of failure.
If you are just concatenating paths you can use Ruby's own File.join method.
source = File.join(ROOT_DIR, project, 'App.config')
If in case trigger("chosen:updated");
doesn't works for you. You can try $('#ddl').trigger('change');
as in my case its work for me.
you need to execute two queries:
One - to add the default value to the column required
ALTER TABLE 'Table_Name` ADD DEFAULT 'value' FOR 'Column_Name'
i want add default value to Column IsDeleted as below:
Example: ALTER TABLE [dbo].[Employees] ADD Default 0 for IsDeleted
Two - to alter the column value nullable to not null
ALTER TABLE 'table_name' ALTER COLUMN 'column_name' 'data_type' NOT NULL
i want to make the column IsDeleted as not null
ALTER TABLE [dbo].[Employees] Alter Column IsDeleted BIT NOT NULL
$array = array("a" => "moon", "star", "b" => "moon", "star", "sky");
// Deleting the duplicate items
$result = array_unique($array);
print_r($result);
ref : Demo
Try trigger on logon
Insted of trying disconnect users you should not allow them to connect.
There is and example of such trigger.
CREATE OR REPLACE TRIGGER rds_logon_trigger
AFTER LOGON ON DATABASE
BEGIN
IF SYS_CONTEXT('USERENV','IP_ADDRESS') not in ('192.168.2.121','192.168.2.123','192.168.2.233') THEN
RAISE_APPLICATION_ERROR(-20003,'You are not allowed to connect to the database');
END IF;
IF (to_number(to_char(sysdate,'HH24'))< 6) and (to_number(to_char(sysdate,'HH24')) >18) THEN
RAISE_APPLICATION_ERROR(-20005,'Logon only allowed during business hours');
END IF;
END;
Eclipse has an option to format automatically when saving the file. There is no option for this in IntelliJ although you can configure a macro for the Ctrl+S (Cmd+S on Mac) keys to format the code and save it.
I got the same issue and found that it was due to wrong parameters.
In views.py
, I used:
return render(request, 'demo.html',{'items', items})
But I found the issue: {'items', items}
. Changing to {'items': items}
resolved the issue.
Here we use a span to trigger input of type file and we simply customized that span, so we can add any styling using this way.
Note that we use input tag with visibility:hidden option and trigger it in the span.
.attachFileSpan{_x000D_
color:#2b6dad;_x000D_
cursor:pointer;_x000D_
}_x000D_
.attachFileSpan:hover{_x000D_
text-decoration: underline;_x000D_
}
_x000D_
<h3> Customized input of type file </h3>_x000D_
<input id="myInput" type="file" style="visibility:hidden"/>_x000D_
_x000D_
<span title="attach file" class="attachFileSpan" onclick="document.getElementById('myInput').click()">_x000D_
Attach file_x000D_
</span>
_x000D_
Try:
fs.readFile("test.txt", "utf8", function(err, data) {...});
Basically, you need to specify the encoding.
Watching this course https://app.pluralsight.com/library/courses/angular-2-getting-started-update/discussion
The author explains that new version of JavaScript has for of and for in, the for of is to enumerate objects and the for in is to enumerate the index of the array.
img {
max-width:100%;
}
div {
width:100px;
}
with this snippet you can do it in a more efficient way
Set the seed(x)
before generating a set of random numbers and use the same seed to generate the same set of random numbers. Useful in case of reproducing the issues.
>>> from random import *
>>> seed(20)
>>> randint(1,100)
93
>>> randint(1,100)
88
>>> randint(1,100)
99
>>> seed(20)
>>> randint(1,100)
93
>>> randint(1,100)
88
>>> randint(1,100)
99
>>>
You will get this error when your AppID prefix does not match the prefix of the previously installed app. If your app is already in the App Store, you will not be able to submit updates without restoring the original AppID prefix or contacting Apple.
Apple's instructions for handling this problem: https://developer.apple.com/library/content/technotes/tn2319/_index.html#//apple_ref/doc/uid/DTS40013778-CH1-ERRORMESSAGES-UPGRADE_S_APPLICATION_IDENTIFIER_DOES_NOT_MATCH_THE_INSTALLED_APP
If you did not intend to change the AppID prefix then Xcode is signing your app with the wrong provisioning profile.
If you do intend to change the AppID prefix (because the app was transferred to a new developer, or you are migrating from an old pre-2011 AppID) you must contact Apple to migrate an existing AppID to a new prefix.
You must also add the previous-application-identifiers
entitlement to your app, listing all previous AppIDs (with old prefixes). And you must ask Apple to generate a provisioning profile for you that includes the previous-application-identifiers
entitlement.
I suggest that you take advantage of the fact that you can assign multiple classes to an element like so:
<ul>
<li class="list">test1</li>
<li class="list">test2</li>
<li class="list last">test3</li>
<li>test4</li>
</ul>
The last element has the list
class like its siblings but also has the last
class which you can use to set any CSS property you want, like so:
ul li.list {
color: #FF0000;
}
ul li.list.last {
background-color: #000;
}
It's very simple. You need just two lines of code with just using the built-in function and also it takes the input and runs forever until you stop it. Also that 'cmd' in quotes, leave it and don't change it. Here is the code:
import os
os.system('cmd')
Now just run this code and see the whole windows command prompt in your python project!
I would assume so, I have Python 2.4, 2.5 and 2.6 installed side-by-side on the same computer.
On Windows, open command prompt and type tracert google.com
and press enter, or on Linux, open terminal and type nslookup google.com
and press enter:
Server: 127.0.1.1
Address: 127.0.1.1#53
Non-authoritative answer:
Name: google.com
Address: 74.125.236.199
Name: google.com
Address: 74.125.236.201
Name: google.com
Address: 74.125.236.194
Name: google.com
Address: 74.125.236.198
Name: google.com
Address: 74.125.236.206
Name: google.com
Address: 74.125.236.193
Name: google.com
Address: 74.125.236.196
Name: google.com
Address: 74.125.236.192
Name: google.com
Address: 74.125.236.197
Name: google.com
Address: 74.125.236.195
Name: google.com
Address: 74.125.236.200
Use hidden
.
<select>_x000D_
<option hidden>Choose</option>_x000D_
<option>Item 1</option>_x000D_
<option>Item 2</option>_x000D_
</select>
_x000D_
This doesn't unset it but you can however hide it in the options while it's displayed by default.
In XML Drawable File:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape>
<gradient android:angle="90"
android:endColor="#9b0493"
android:startColor="#38068f"
android:type="linear" />
</shape>
</item>
</selector>
In your layout file: android:background="@drawable/gradient_background"
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/gradient_background"
android:orientation="vertical"
android:padding="20dp">
.....
</LinearLayout>
Delete duplicate rows using DELETE JOIN statement MySQL provides you with the DELETE JOIN statement that you can use to remove duplicate rows quickly.
The following statement deletes duplicate rows and keeps the highest id:
DELETE t1 FROM contacts t1
INNER JOIN
contacts t2 WHERE
t1.id < t2.id AND t1.email = t2.email;
you can give some id to the columns and name it uniquely.
You can use a try-except
try:
print(str.to.id)
except AttributeError: # Not a Retweet
print('null')
Workaround: We need to call the callback functions (Task and Anonymous):
function electronTask(callbackA)
{
return gulp.series(myFirstTask, mySeccondTask, (callbackB) =>
{
callbackA();
callbackB();
})();
}
The String[] args
parameter is an array of Strings passed as parameters when you are running your application through command line in the OS.
So, imagine you have compiled and packaged a myApp.jar
Java application. You can run your app by double clicking it in the OS, of course, but you could also run it using command line way, like (in Linux, for example):
user@computer:~$ java -jar myApp.jar
When you call your application passing some parameters, like:
user@computer:~$ java -jar myApp.jar update notify
The java -jar
command will pass your Strings update
and notify
to your public static void main()
method.
You can then do something like:
System.out.println(args[0]); //Which will print 'update'
System.out.println(args[1]); //Which will print 'notify'
In Simple Words -
The export statement is used when creating JavaScript modules to export functions, objects, or primitive values from the module so they can be used by other programs with the import statement.
Here is a link to get clear understanding : MDN Web Docs
You have to be careful with using a leading underscore. A leading underscore before a capital letter in a word is reserved. For example:
_Foo
_L
are all reserved words while
_foo
_l
are not. There are other situations where leading underscores before lowercase letters are not allowed. In my specific case, I found the _L happened to be reserved by Visual C++ 2005 and the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved: What are the rules about using an underscore in a C++ identifier?
System.Collections.CaseInsensitiveComparer
or
System.StringComparer.OrdinalIgnoreCase
The best answer is...
The expression in the accepted answer misses many cases. Among other things, URLs can have unicode characters in them. The regex you want is here, and after looking at it, you may conclude that you don't really want it after all. The most correct version is ten-thousand characters long.
Admittedly, if you were starting with plain, unstructured text with a bunch of URLs in it, then you might need that ten-thousand-character-long regex. But if your input is structured, use the structure. Your stated aim is to "extract the url, inside the anchor tag's href." Why use a ten-thousand-character-long regex when you can do something much simpler?
For many tasks, using Beautiful Soup will be far faster and easier to use:
>>> from bs4 import BeautifulSoup as Soup
>>> html = Soup(s, 'html.parser') # Soup(s, 'lxml') if lxml is installed
>>> [a['href'] for a in html.find_all('a')]
['http://example.com', 'http://example2.com']
If you prefer not to use external tools, you can also directly use Python's own built-in HTML parsing library. Here's a really simple subclass of HTMLParser
that does exactly what you want:
from html.parser import HTMLParser
class MyParser(HTMLParser):
def __init__(self, output_list=None):
HTMLParser.__init__(self)
if output_list is None:
self.output_list = []
else:
self.output_list = output_list
def handle_starttag(self, tag, attrs):
if tag == 'a':
self.output_list.append(dict(attrs).get('href'))
Test:
>>> p = MyParser()
>>> p.feed(s)
>>> p.output_list
['http://example.com', 'http://example2.com']
You could even create a new method that accepts a string, calls feed
, and returns output_list
. This is a vastly more powerful and extensible way than regular expressions to extract information from html.
I was facing such a problem, look at the picture below
and here is its HTML
<tr class="li1">
<td valign="top">1.</td>
<td colspan="5" valign="top">
<p>How to build e-book learning environment</p>
</td>
</tr>
so I fix it by changing valign Attribute in both td
tags to baseline
and it worked
hope this help you
Just fyi . This is available as nuget package in visual studio environment. Please let me know if you need more information as I have used it. URL can be found Link to nuget
You can also find some information here. Blog with more details
Try to convert Prize into decimal format...
import java.math.BigDecimal;
import java.math.RoundingMode;
public class Bigdecimal {
public static boolean isEmpty (String st) {
return st == null || st.length() < 1;
}
public static BigDecimal bigDecimalFormat(String Preis){
//MathContext mi = new MathContext(2);
BigDecimal bd = new BigDecimal(0.00);
bd = new BigDecimal(Preis);
return bd.setScale(2, RoundingMode.HALF_UP);
}
public static void main(String[] args) {
String cost = "12.12";
if (!isEmpty(cost) ){
try {
BigDecimal intCost = bigDecimalFormat(cost);
System.out.println(intCost);
List<Book> books = bookService.findBooksCheaperThan(intCost);
} catch (NumberFormatException e) {
System.out.println("This is not a number");
System.out.println(e.getMessage());
}
}
}
}
Yes, there is a way to write to the event log you are looking for. You don't need to create a new source, just simply use the existent one, which often has the same name as the EventLog's name and also, in some cases like the event log Application, can be accessible without administrative privileges*.
*Other cases, where you cannot access it directly, are the Security EventLog, for example, which is only accessed by the operating system.
I used this code to write directly to the event log Application:
using (EventLog eventLog = new EventLog("Application"))
{
eventLog.Source = "Application";
eventLog.WriteEntry("Log message example", EventLogEntryType.Information, 101, 1);
}
As you can see, the EventLog source is the same as the EventLog's name. The reason of this can be found in Event Sources @ Windows Dev Center (I bolded the part which refers to source name):
Each log in the Eventlog key contains subkeys called event sources. The event source is the name of the software that logs the event. It is often the name of the application or the name of a subcomponent of the application if the application is large. You can add a maximum of 16,384 event sources to the registry.
You can do it:
var str = "Doctor Who,Fantasy,Steven Moffat,David Tennant";
var title = str.Split(',').First();
Also you can do it this way:
var index = str.IndexOf(",");
var title = index < 0 ? str : str.Substring(0, index);
If you happen to use CRA with default yarn
package manager use the following. Worked for me.
yarn remove node-sass
yarn add [email protected]
checkbox.ButtonTintList = ColorStateList.ValueOf(Android.Color.White);
Use ButtonTintList
instead of BackgroundTintList
Just add one of these two to the src url:
&wmode=Opaque
&wmode=transparent
<iframe id="videoIframe" width="500" height="281" src="http://www.youtube.com/embed/xxxxxx?rel=0&wmode=transparent" frameborder="0" allowfullscreen></iframe>
There are better and more secure ways to make sure that all your traffic goes over https
. For example setting up two virtual hosts and redirecting all traffic from your http
to your https
host. Read more on this in this answer here on security.stackexchange.com.
With setting up a virtual host for redirecting you can send a 301 status (redirect permanently) so the browser understands that all the following requests should be sent to the https server where it was redirected to. Hence no further http requests will be made after the first redirect response.
You should also carefully check the given answers because with the wrong rewrite rules set you might loose the query params from your incoming requests.
A quick google pointed me to this page. It explains that from sql server 2005 onwards you can set the default schema of a user with the ALTER USER statement. Unfortunately, that means that you change it permanently, so if you need to switch between schemas, you would need to set it every time you execute a stored procedure or a batch of statements. Alternatively, you could use the technique described here.
If you are using sql server 2000 or older this page explains that users and schemas are then equivalent. If you don't prepend your table name with a schema\user, sql server will first look at the tables owned by the current user and then the ones owned by the dbo to resolve the table name. It seems that for all other tables you must prepend the schema\user.
As the other commenters are suggesting the most efficient way to do it seems to be:
if ($(selector).length ) {
// Do something
}
If you absolutely must have an exists() function - which will be slower- you can do:
jQuery.fn.exists = function(){return this.length>0;}
Then in your code you can use
if ($(selector).exists()) {
// Do something
}
As answered here
This help me a lot:
http://maestric.com/doc/mac/apache_php_mysql_snow_leopard
It also works for Mac OS X Lion :D
.:EDIT:. On my case the prefepane only allows to start and stop mysql, but after some issues i've uninstalled him. If you need a application to run queries and create DB, you could use: Sequel Pro (it's free) or Navicat
If you need start and stop mysql in ~/.bash_profile you can add these lines:
#For MySQL
alias mysql_start="/Library/StartupItems/MySQLCOM/MySQLCOM start"
alias mysql_stop="/Library/StartupItems/MySQLCOM/MySQLCOM stop"
After reloaded the console just call:
$mysql_start
or
$mysql_stop
agreding the desired action. Hope helped you.
I found a solution to this. It's bloody witchcraft, but it works.
When you install the client, open Control Panel > Network Connections.
You'll see a disabled network connection that was added by the TAP installer (Local Area Connection 3 or some such).
Right Click it, click Enable.
The device will not reset itself to enabled, but that's ok; try connecting w/ the client again. It'll work.
If you want to use shell scripting and not rely on non-posix extensions (such as so-called bashisms), you can use techniques that do not require forking external tools such as grep, sed, cut, awk, etc., which then make your script less efficient. Maybe efficiency and posix portability is not important in your use case. But in case it is (or just as a good habit), you can use the following parameter expansion option method to extract the first two characters of a shell variable:
$ sh -c 'var=abcde; echo "${var%${var#??}}"'
ab
This uses "smallest prefix" parameter expansion to remove the first two characters (this is the ${var#??}
part), then "smallest suffix" parameter expansion (the ${var%
part) to remove that all-but-the-first-two-characters string from the original value.
This method was previously described in this answer to the "Shell = Check if variable begins with #" question. That answer also describes a couple similar parameter expansion methods that can be used in a slightly different context that the one that applies to the original question here.
Replace with
imageWidth = 1 * Convert.ToInt32(Label1.Text);
If you have not too much data, you can definitely do pagination by just storing all the data in the browser and filtering what's visible at a certain time.
Here's a simple pagination example: http://jsfiddle.net/2ZzZB/56/
That example was on the list of fiddles on the angular.js github wiki, which should be helpful: https://github.com/angular/angular.js/wiki/JsFiddle-Examples
EDIT: http://jsfiddle.net/2ZzZB/16/ to http://jsfiddle.net/2ZzZB/56/ (won't show "1/4.5" if there is 45 results)
Add an input id to the element and do something like that:
document.getElementById('inputId').value.split(/[\\$]/).pop()
int[] numbers = {1,2,3,4,5,3,6,4,7,8,9,1,0 };
var nonRepeats = (from n in numbers select n).Distinct();
foreach (var d in nonRepeats)
{
Response.Write(d);
}
OUTPUT
1234567890
Create dictionaries for both arrays using _.keyBy()
, merge the dictionaries, and convert the result to an array with _.values()
. In this way, the order of the arrays doesn't matter. In addition, it can also handle arrays of different length.
const ObjectId = (id) => id; // mock of ObjectId_x000D_
const arr1 = [{"member" : ObjectId("57989cbe54cf5d2ce83ff9d8"),"bank" : ObjectId("575b052ca6f66a5732749ecc"),"country" : ObjectId("575b0523a6f66a5732749ecb")},{"member" : ObjectId("57989cbe54cf5d2ce83ff9d6"),"bank" : ObjectId("575b052ca6f66a5732749ecc"),"country" : ObjectId("575b0523a6f66a5732749ecb")}];_x000D_
const arr2 = [{"member" : ObjectId("57989cbe54cf5d2ce83ff9d6"),"name" : 'xxxxxx',"age" : 25},{"member" : ObjectId("57989cbe54cf5d2ce83ff9d8"),"name" : 'yyyyyyyyyy',"age" : 26}];_x000D_
_x000D_
const merged = _(arr1) // start sequence_x000D_
.keyBy('member') // create a dictionary of the 1st array_x000D_
.merge(_.keyBy(arr2, 'member')) // create a dictionary of the 2nd array, and merge it to the 1st_x000D_
.values() // turn the combined dictionary to array_x000D_
.value(); // get the value (array) out of the sequence_x000D_
_x000D_
console.log(merged);
_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.14.0/lodash.min.js"></script>
_x000D_
Using ES6 Map
Concat the arrays, and reduce the combined array to a Map. Use Object#assign to combine objects with the same member
to a new object, and store in map. Convert the map to an array with Map#values and spread:
const ObjectId = (id) => id; // mock of ObjectId_x000D_
const arr1 = [{"member" : ObjectId("57989cbe54cf5d2ce83ff9d8"),"bank" : ObjectId("575b052ca6f66a5732749ecc"),"country" : ObjectId("575b0523a6f66a5732749ecb")},{"member" : ObjectId("57989cbe54cf5d2ce83ff9d6"),"bank" : ObjectId("575b052ca6f66a5732749ecc"),"country" : ObjectId("575b0523a6f66a5732749ecb")}];_x000D_
const arr2 = [{"member" : ObjectId("57989cbe54cf5d2ce83ff9d6"),"name" : 'xxxxxx',"age" : 25},{"member" : ObjectId("57989cbe54cf5d2ce83ff9d8"),"name" : 'yyyyyyyyyy',"age" : 26}];_x000D_
_x000D_
const merged = [...arr1.concat(arr2).reduce((m, o) => _x000D_
m.set(o.member, Object.assign(m.get(o.member) || {}, o))_x000D_
, new Map()).values()];_x000D_
_x000D_
console.log(merged);
_x000D_
Well you can hide the close button by changing the FormBorderStyle from the properties section or programmatically in the constructor using:
public Form1()
{
InitializeComponent();
this.FormBorderStyle = FormBorderStyle.None;
}
then you create a menu strip item to exit the application.
cheers
If you don't want to import csv
module for that, you can write a list of lists to a csv file using only Python built-ins
with open("output.csv", "w") as f:
for row in a:
f.write("%s\n" % ','.join(str(col) for col in row))
ORA-12154: TNS:could not resolve the connect identifier specified?
In case the TNS is not defined you can also try this one:
If you are using C#.net 2010
or other version of VS and oracle 10g express edition or lower version, and you make a connection string like this:
static string constr = @"Data Source=(DESCRIPTION=
(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=yourhostname )(PORT=1521)))
(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=XE)));
User Id=system ;Password=yourpasswrd";
After that you get error message ORA-12154: TNS:could not resolve the connect identifier specified
then first you have to do restart your system and run your project.
And if Your windows is 64 bit then you need to install oracle 11g 32 bit and if you installed 11g 64 bit then you need to Install Oracle 11g Oracle Data Access Components (ODAC) with Oracle Developer Tools for Visual Studio version 11.2.0.1.2 or later from OTN and check it in Oracle Universal Installer Please be sure that the following are checked:
Oracle Data Provider for .NET 2.0
Oracle Providers for ASP.NET
Oracle Developer Tools for Visual Studio
Oracle Instant Client
And then restart your Visual Studio and then run your project .... NOTE:- SYSTEM RESTART IS necessary TO SOLVE THIS TYPES OF ERROR.......
After failing with cleaning the Credentials from the Manager and clearing the VS cache, consider to repair Visual Studio from the Visual Studio Installer (VS2017). I personally found no other solution working.
I would use reduce
var myData = new Array(['2013-01-22', 0], ['2013-01-29', 0], ['2013-02-05', 0], ['2013-02-12', 0], ['2013-02-19', 0], ['2013-02-26', 0], ['2013-03-05', 0], ['2013-03-12', 0], ['2013-03-19', 0], ['2013-03-26', 0], ['2013-04-02', 21], ['2013-04-09', 2]);
var sum = myData.reduce(function(a, b) {
return a + b[1];
}, 0);
$("#result").text(sum);
Available on jsfiddle
Besides CMAKE_GENERATOR_PLATFORM
variable, there is also the -A
switch
cmake -G "Visual Studio 16 2019" -A Win32
cmake -G "Visual Studio 16 2019" -A x64
https://cmake.org/cmake/help/v3.16/generator/Visual%20Studio%2016%202019.html#platform-selection
-A <platform-name> = Specify platform name if supported by
generator.
In the first regex, each space character is being replaced, character by character, with the empty string.
In the second regex, each contiguous string of space characters is being replaced with the empty string because of the +
.
However, just like how 0 multiplied by anything else is 0, it seems as if both methods strip spaces in exactly the same way.
If you change the replacement string to '#'
, the difference becomes much clearer:
var str = ' A B C D EF ';
console.log(str.replace(/\s/g, '#')); // ##A#B##C###D#EF#
console.log(str.replace(/\s+/g, '#')); // #A#B#C#D#EF#
I encountered this same problem today. As suggested in this answer, the problem was an unclean xib. In my case the unclean xib was the result of updating a xib that was being loaded by something other than the view controller it was associated with.
Xcode let me create and populate a new outlet and connected it to the file's owner even though I explicitly connected it to the source of the correct view controller. Here's the code generated by Xcode:
<placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="LoginViewController"]]>
<connections>
<outlet property="hostLabel" destination="W4x-T2-Mcm" id="c3E-1U-sVf"/>
</connections>
</placeholder>
When I ran my app it crashed with the same not key value coding-compliant
error. To correct the problem, I removed the outlet from the File's Owner in Interface Builder and connected it explicitly to the view controller object on the left outline instead of to the code in the assistant editor.
Goto my blog : retrofit with kotlin
the link below explains everything step by step.
http://loopj.com/android-async-http/
Here are sample apps:
Create a class :
public class HttpUtils {
private static final String BASE_URL = "http://api.twitter.com/1/";
private static AsyncHttpClient client = new AsyncHttpClient();
public static void get(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
client.get(getAbsoluteUrl(url), params, responseHandler);
}
public static void post(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
client.post(getAbsoluteUrl(url), params, responseHandler);
}
public static void getByUrl(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
client.get(url, params, responseHandler);
}
public static void postByUrl(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
client.post(url, params, responseHandler);
}
private static String getAbsoluteUrl(String relativeUrl) {
return BASE_URL + relativeUrl;
}
}
Call Method :
RequestParams rp = new RequestParams();
rp.add("username", "aaa"); rp.add("password", "aaa@123");
HttpUtils.post(AppConstant.URL_FEED, rp, new JsonHttpResponseHandler() {
@Override
public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
// If the response is JSONObject instead of expected JSONArray
Log.d("asd", "---------------- this is response : " + response);
try {
JSONObject serverResp = new JSONObject(response.toString());
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void onSuccess(int statusCode, Header[] headers, JSONArray timeline) {
// Pull out the first event on the public timeline
}
});
Please grant internet permission in your manifest file.
<uses-permission android:name="android.permission.INTERNET" />
you can add compile 'com.loopj.android:android-async-http:1.4.9'
for Header[]
and compile 'org.json:json:20160212'
for JSONObject
in build.gradle file if required.
I know the question is from 2012, but I found the easiest way ever, and I wanted to share.
HTML:
<div id="parent">
<div id="child">Content here</div>
</div>
and CSS:
#parent{
height: 100%;
display: table;
}
#child {
display: table-cell;
vertical-align: middle;
}
PHPMailer uses Exceptions. Try to adopt the following code:
require_once '../class.phpmailer.php';
$mail = new PHPMailer(true); //defaults to using php "mail()"; the true param means it will throw exceptions on errors, which we need to catch
try {
$mail->AddReplyTo('[email protected]', 'First Last');
$mail->AddAddress('[email protected]', 'John Doe');
$mail->SetFrom('[email protected]', 'First Last');
$mail->AddReplyTo('[email protected]', 'First Last');
$mail->Subject = 'PHPMailer Test Subject via mail(), advanced';
$mail->AltBody = 'To view the message, please use an HTML compatible email viewer!'; // optional - MsgHTML will create an alternate automatically
$mail->MsgHTML(file_get_contents('contents.html'));
$mail->AddAttachment('images/phpmailer.gif'); // attachment
$mail->AddAttachment('images/phpmailer_mini.gif'); // attachment
$mail->Send();
echo "Message Sent OK\n";
} catch (phpmailerException $e) {
echo $e->errorMessage(); //Pretty error messages from PHPMailer
} catch (Exception $e) {
echo $e->getMessage(); //Boring error messages from anything else!
}
The c# function, as expressed by Kyle Rozendo:
string DecimalPlaceNoRounding(double d, int decimalPlaces = 2)
{
d = d * Math.Pow(10, decimalPlaces);
d = Math.Truncate(d);
d = d / Math.Pow(10, decimalPlaces);
return string.Format("{0:N" + Math.Abs(decimalPlaces) + "}", d);
}
Make sure your maven war plugin block in pom.xml includes all files (especially xml files) while building the war. But you don't need to include the .java files though.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.5</version>
<configuration>
<webResources>
<resources>
<directory>WebContent</directory>
<includes>
<include>**/*.*</include> <!--this line includes the xml files into the war, which will be found when it is exploded in server during deployment -->
</includes>
<excludes>
<exclude>*.java</exclude>
</excludes>
</resources>
</webResources>
<webXml>WebContent/WEB-INF/web.xml</webXml>
</configuration>
</plugin>
What to do if :foo
in its natural form contains slashes? You wouldn't want it to Isn't that the distinction the recommendation is attempting to preserve? It specifically notes,
The similarity to unix and other disk operating system filename conventions should be taken as purely coincidental, and should not be taken to indicate that URIs should be interpreted as file names.
If one was building an online interface to a backup program, and wished to express the path as a part of the URL path, it would make sense to encode the slashes in the file path, as that is not really part of the hierarchy of the resource - and more importantly, the route. /backups/2016-07-28content//home/dan/
loses the root of the filesystem in the double slash. Escaping the slashes is the appropriate way to distinguish, as I read it.
You also can use:
element.addEventListener("click", function(){
// call execute function here...
}, false);
Nice shorthand for Multiple variable assignments
{% set label_cls, field_cls = "col-md-7", "col-md-3" %}
Copy your SDK path and assign it to the environment variable ANDROID_SDK_ROOT
Refer pic below:
All you need to do is configure your SSH setup with multiple SSH keypairs.
This link is easy to follow (Thanks Eric): http://code.tutsplus.com/tutorials/quick-tip-how-to-work-with-github-and-multiple-accounts--net-22574
Generating SSH keys (Win/msysgit) https://help.github.com/articles/generating-an-ssh-key/
Also, if you're working with multiple repositories using different personas, you need to make sure that your individual repositories have the user settings overridden accordingly:
Setting user name, email and GitHub token – Overriding settings for individual repos https://help.github.com/articles/setting-your-commit-email-address-in-git/
Hope this helps.
Note:
Some of you may require different emails to be used for different repositories, from git 2.13 you can set the email on a directory basis by editing the global config file found at: ~/.gitconfig
using conditionals like so:
[user]
name = Pavan Kataria
email = [email protected]
[includeIf "gitdir:~/work/"]
path = ~/work/.gitconfig
And then your work specific config ~/work/.gitconfig would look like this:
[user]
email = [email protected]
Thank you @alexg for informing me of this in the comments.
Try the below command, because it works perfectly:
grep -ow "yourstring"
crosscheck:-
Remove the instance of word from file, then re-execute this command and it should display empty result.
SQL SERVER 2005:
print upper('hello');
print lower('HELLO');
I Think that the problem is about encoding. That's why removing first line(with encoding byte) might solve the problem.
My solution for Data at the root level is invalid. Line 1, position 1.
in XDocument.Parse(xmlString)
was replacing it with XDocument.Load( new MemoryStream( xmlContentInBytes ) );
I've noticed that my xml string looked ok:
<?xml version="1.0" encoding="utf-8"?>
but in different text editor encoding it looked like this:
?<?xml version="1.0" encoding="utf-8"?>
At the end i did not need the xml string but xml byte[]. If you need to use the string you should look for "invisible" bytes in your string and play with encodings to adjust the xml content for parsing or loading.
Hope it will help
To delete rows from a table, you need to provide selection criteria that identify the rows to the delete()
method. The mechanism works the same as the selection arguments to the query()
method. It divides the selection specification into a selection clause(where clause) and selection arguments.
SQLiteDatabase db = this.getWritableDatabase();
// Define 'where' part of query.
String selection = Contract.COLUMN_COMPANY_ID + " =? and "
+ Contract.CLOUMN_TYPE +" =? ";
// Specify arguments in placeholder order.
String[] selectionArgs = { cid,mode };
// Issue SQL statement.
int deletedRows = db.delete(Contract.TABLE_NAME,
selection, selectionArgs);
return deletedRows;// no.of rows deleted.
The return value for the delete()
method indicates the number of rows that were deleted from the database.
import nltk
nltk.download('stopwords')
from nltk.corpus import stopwords
STOPWORDS = set(stopwords.words('english'))
subprocess.Popen
takes a cwd
argument to set the Current Working Directory; you'll also want to escape your backslashes ('d:\\test\\local'
), or use r'd:\test\local'
so that the backslashes aren't interpreted as escape sequences by Python. The way you have it written, the \t
part will be translated to a tab.
So, your new line should look like:
subprocess.Popen(r'c:\mytool\tool.exe', cwd=r'd:\test\local')
To use your Python script path as cwd, import os
and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
The key difference: NSMutableDictionary can be modified in place, NSDictionary cannot. This is true for all the other NSMutable* classes in Cocoa. NSMutableDictionary is a subclass of NSDictionary, so everything you can do with NSDictionary you can do with both. However, NSMutableDictionary also adds complementary methods to modify things in place, such as the method setObject:forKey:
.
You can convert between the two like this:
NSMutableDictionary *mutable = [[dict mutableCopy] autorelease];
NSDictionary *dict = [[mutable copy] autorelease];
Presumably you want to store data by writing it to a file. NSDictionary has a method to do this (which also works with NSMutableDictionary):
BOOL success = [dict writeToFile:@"/file/path" atomically:YES];
To read a dictionary from a file, there's a corresponding method:
NSDictionary *dict = [NSDictionary dictionaryWithContentsOfFile:@"/file/path"];
If you want to read the file as an NSMutableDictionary, simply use:
NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithContentsOfFile:@"/file/path"];
Best way to add custom drawable is:
<RadioButton
android:id="@+id/radiocar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:background="@android:color/transparent"
android:button="@drawable/yourbuttonbackground"
android:checked="true"
android:drawableRight="@mipmap/car"
android:paddingLeft="5dp"
android:paddingRight="5dp"
android:text="yourtexthere"/>
Shadow overlay by custom drawable is removed here.
No, there's no direct method to do that with objects.
The Map
type does have a values()
method that returns an iterator for the values
I realize that this is an old thread, but for Future-Me, and posterity, I figured I should add my two-cents around the "running npm as sudo" discussion. Disclaimer: I do not use Windows. These steps have only been proven on non-windows machines, both virtual and physical.
You can avoid the need to use sudo by changing the permission to npm's default directory.
sudo
npm config get prefix
/usr/local
/usr
or /Users/YOURUSERNAME/node_modules
or /Something/Else/FishyLooking
npm config set prefix /usr/local
sudo chown -R $(whoami) $(npm config get prefix)/{lib/node_modules,bin,share}
Now you should be able to run npm <whatever>
without sudo
. Note: You may need to restart your terminal in order for these changes to take effect.
To plot just a selection of your columns you can select the columns of interest by passing a list to the subscript operator:
ax = df[['V1','V2']].plot(kind='bar', title ="V comp", figsize=(15, 10), legend=True, fontsize=12)
What you tried was df['V1','V2']
this will raise a KeyError
as correctly no column exists with that label, although it looks funny at first you have to consider that your are passing a list hence the double square brackets [[]]
.
import matplotlib.pyplot as plt
ax = df[['V1','V2']].plot(kind='bar', title ="V comp", figsize=(15, 10), legend=True, fontsize=12)
ax.set_xlabel("Hour", fontsize=12)
ax.set_ylabel("V", fontsize=12)
plt.show()
$('html').keyup(function(e){
if(e.keyCode == 46) {
alert('Delete key released');
}
});
Source: javascript char codes key codes from www.cambiaresearch.com
Check out httpreq: it's a node library I created because I was frustrated there was no simple http GET or POST module out there ;-)
/lkjasdf
has always been faster than :noh
for me.
You can create multiple workspaces in Eclipse. You have to just specify the path of the workspace during Eclipse startup. You can even switch workspaces via File?Switch workspace.
You can then import project to your workspace, copy paste project to your new workspace folder, then
File?Import?Existing project in to workspace?select project.
You can return json in PHP this way:
header('Content-Type: application/json');
echo json_encode(array('foo' => 'bar'));
exit;
To answer your updated question you can do
String[] lines = ("Name = Bob\n" +
"Age = 27\n" +
"Occupation = Student\n" +
"Status = Single").split("\n");
for (String line : lines) {
String[] parts = line.split(" = +");
System.out.printf("%-19s %s%n", parts[0] + " =", parts[1]);
}
prints
Name = Bob
Age = 27
Occupation = Student
Status = Single
from sys import exit
exit()
As a parameter you can pass an exit code, which will be returned to OS. Default is 0.
I had imported an existing project and started running... i too was facing the same problem (WARNING: Application does not specify an API Device API version is 11 (Android 3.0) ). After all my attempts to resolve that failed,I just created new project under other package to maintain the same names and copied all the file contents of the previously imporetd projects manually and again started running...to my surprise it successfully executed in my first attempt...i think the problem was due to the lack of compatibilty of versions when imported...i hope it may help few...
If you want to accomplish the same in Gecko (NS6+, Mozilla, etc) and IE4+ simultaneously, I believe this should do the trick:V
body {
overflow: -moz-scrollbars-vertical;
overflow-x: hidden;
overflow-y: auto;
}
This will be applied to entire body tag, please update it to your relevant css and apply this properties.
If the variable ax.xaxis._autolabelpos = True, matplotlib sets the label position in function _update_label_position in axis.py according to (some excerpts):
bboxes, bboxes2 = self._get_tick_bboxes(ticks_to_draw, renderer)
bbox = mtransforms.Bbox.union(bboxes)
bottom = bbox.y0
x, y = self.label.get_position()
self.label.set_position((x, bottom - self.labelpad * self.figure.dpi / 72.0))
You can set the label position independently of the ticks by using:
ax.xaxis.set_label_coords(x0, y0)
that sets _autolabelpos to False or as mentioned above by changing the labelpad parameter.
I know it's a bit too late, but maybe someone is looking for easy way to access appsettings in .net core app. in API constructor add the following:
public class TargetClassController : ControllerBase
{
private readonly IConfiguration _config;
public TargetClassController(IConfiguration config)
{
_config = config;
}
[HttpGet("{id:int}")]
public async Task<ActionResult<DTOResponse>> Get(int id)
{
var config = _config["YourKeySection:key"];
}
}
btn.titleLabel?.font = .systemFont(ofSize: 12)
Replace your line with this.
notificationManager.notify((int) ((new Date().getTime() / 1000L) % Integer.MAX_VALUE), notification);
This solution worked for me:
tabBarOptions: {
showIcon: true,
showLabel: false,
style: {
backgroundColor: '#000',
borderTopLeftRadius: 40,
borderTopRightRadius: 40,
position: 'relative',
zIndex: 2,
marginTop: -48
}
}
For Microsoft Visual C++ 2008, not the general Visual Studio (go.microsoft.com/?linkid=7729279?)
Google Visual Studio 2008 Express
instead of just Visual Studio 2008
. Click to the first link that appears which is a download link from Microsoft mentioned above.
You can change the passwd file directly for the particular user or use the below command
chsh -s /usr/local/bin/bash username
Then log out and log in
You may have heard of Pylint that helps statically checking Python code. Few people know that it comes with a tool named Pyreverse that draws UML diagrams from the python code it reads. Pyreverse uses graphviz as a backend.
It is used like this:
pyreverse -o png -p yourpackage .
where the .
can also be a single file.
2018: CSS3
div{
position: absolute;
top: 50%;
left: 50%;
margin-right: -50%;
transform: translate(-50%, -50%);
}
This is even shorter. For more information see this: CSS: Centering Things
This C# function uses a regular expression to evaluate whether the passed email address is syntactically valid or not.
public static bool isValidEmail(string inputEmail)
{
string strRegex = @"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" +
@"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" +
@".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";
Regex re = new Regex(strRegex);
if (re.IsMatch(inputEmail))
return (true);
else
return (false);
}
if duplicate and ordering items are problem :
[i for i in a if not i in b or b.remove(i)]
a = [1,2,3,3,3,3,4]
b = [1,3]
result: [2, 3, 3, 3, 4]
This is what you need : ternary operator, please take a look at this
http://msdn.microsoft.com/en-us/library/ty67wk28%28v=vs.80%29.aspx
Angular convention : write business logic in controller and DOM manipulation in link.
Apart from this you can call one controller function from link function of another directive.For example you have 3 custom directives
<animal>
<panther>
<leopard></leopard>
</panther>
</animal>
and you want to access animal from inside of "leopard" directive.
http://egghead.io/lessons/angularjs-directive-communication will be helpful to know about inter-directive communication
Some of us have been using exception for over 20 years. PL/I has them, for example. The premise that they are a new and dangerous technology seems questionable to me.
If you're using react-native, make sure that the Test target has the same provisioning profile as the main one.
Html.Label
gives you a label for an input whose name matches the specified input text (more specifically, for the model property matching the string expression):
// Model
public string Test { get; set; }
// View
@Html.Label("Test")
// Output
<label for="Test">Test</label>
Html.LabelFor
gives you a label for the property represented by the provided expression (typically a model property):
// Model
public class MyModel
{
[DisplayName("A property")]
public string Test { get; set; }
}
// View
@model MyModel
@Html.LabelFor(m => m.Test)
// Output
<label for="Test">A property</label>
Html.LabelForModel
is a bit trickier. It returns a label whose for
value is that of the parameter represented by the model object. This is useful, in particular, for custom editor templates. For example:
// Model
public class MyModel
{
[DisplayName("A property")]
public string Test { get; set; }
}
// Main view
@Html.EditorFor(m => m.Test)
// Inside editor template
@Html.LabelForModel()
// Output
<label for="Test">A property</label>
You had it nearly right in the last line. You want
str(bytes_string, 'utf-8')
because the type of bytes_string
is bytes
, the same as the type of b'abc'
.
http://docs.python.org/2/tutorial/classes.html#method-objects
Usually, a method is called right after it is bound:
x.f()
In the MyClass example, this will return the string 'hello world'. However, it is not necessary to call a method right away: x.f is a method object, and can be stored away and called at a later time. For example:
xf = x.f while True: print xf()
will continue to print hello world until the end of time.
What exactly happens when a method is called? You may have noticed that x.f() was called without an argument above, even though the function definition for f() specified an argument. What happened to the argument? Surely Python raises an exception when a function that requires an argument is called without any — even if the argument isn’t actually used...
Actually, you may have guessed the answer: the special thing about methods is that the object is passed as the first argument of the function. In our example, the call x.f() is exactly equivalent to MyClass.f(x). In general, calling a method with a list of n arguments is equivalent to calling the corresponding function with an argument list that is created by inserting the method’s object before the first argument.
If you still don’t understand how methods work, a look at the implementation can perhaps clarify matters. When an instance attribute is referenced that isn’t a data attribute, its class is searched. If the name denotes a valid class attribute that is a function object, a method object is created by packing (pointers to) the instance object and the function object just found together in an abstract object: this is the method object. When the method object is called with an argument list, a new argument list is constructed from the instance object and the argument list, and the function object is called with this new argument list.
Thank you for the suggested solutions! Unfortunately, none of them worked for my case: receiving a list of CLOB objects from Oracle database through JPA - Hibernate, using a native query.
All of the proposed approaches gave me either a ClassCastException or just returned java Proxy object (which deeply inside contained the desired Clob).
So my solution is the following (based on several above approaches):
Query sqlQuery = manager.createNativeQuery(queryStr);
List resultList = sqlQuery.getResultList();
for ( Object resultProxy : resultList ) {
String unproxiedClob = unproxyClob(resultProxy);
if ( unproxiedClob != null ) {
resultCollection.add(unproxiedClob);
}
}
private String unproxyClob(Object proxy) {
try {
BeanInfo beanInfo = Introspector.getBeanInfo(proxy.getClass());
for (PropertyDescriptor property : beanInfo.getPropertyDescriptors()) {
Method readMethod = property.getReadMethod();
if ( readMethod.getName().contains("getWrappedClob") ) {
Object result = readMethod.invoke(proxy);
return clobToString((Clob) result);
}
}
}
catch (InvocationTargetException | IntrospectionException | IllegalAccessException | SQLException | IOException e) {
LOG.error("Unable to unproxy CLOB value.", e);
}
return null;
}
private String clobToString(Clob data) throws SQLException, IOException {
StringBuilder sb = new StringBuilder();
Reader reader = data.getCharacterStream();
BufferedReader br = new BufferedReader(reader);
String line;
while( null != (line = br.readLine()) ) {
sb.append(line);
}
br.close();
return sb.toString();
}
Hope this will help somebody!
I've created a tool recently that does exactly what you want:
https://github.com/jd/git-pull-request
It automates everything in a single command, forking the repo, pushing the PR etc. It also supports updating the PR if you need to edit/fix it!
As others mentioned, it's only possible via reflection in certain circumstances.
If you really need the type, this is the usual (type-safe) workaround pattern:
public class GenericClass<T> {
private final Class<T> type;
public GenericClass(Class<T> type) {
this.type = type;
}
public Class<T> getMyType() {
return this.type;
}
}
Common cause for this error is WebDAV. Make sure you uninstall it.
This should get you started: Using VBA in your own Excel workbook, have it prompt the user for the filename of their data file, then just copy that fixed range into your target workbook (that could be either the same workbook as your macro enabled one, or a third workbook). Here's a quick vba example of how that works:
' Get customer workbook...
Dim customerBook As Workbook
Dim filter As String
Dim caption As String
Dim customerFilename As String
Dim customerWorkbook As Workbook
Dim targetWorkbook As Workbook
' make weak assumption that active workbook is the target
Set targetWorkbook = Application.ActiveWorkbook
' get the customer workbook
filter = "Text files (*.xlsx),*.xlsx"
caption = "Please Select an input file "
customerFilename = Application.GetOpenFilename(filter, , caption)
Set customerWorkbook = Application.Workbooks.Open(customerFilename)
' assume range is A1 - C10 in sheet1
' copy data from customer to target workbook
Dim targetSheet As Worksheet
Set targetSheet = targetWorkbook.Worksheets(1)
Dim sourceSheet As Worksheet
Set sourceSheet = customerWorkbook.Worksheets(1)
targetSheet.Range("A1", "C10").Value = sourceSheet.Range("A1", "C10").Value
' Close customer workbook
customerWorkbook.Close
I had the same problem, so I wrote this. It works rather well. Looks great if you mix it with some CSS transitions.
function toggle_visibility(id) {
var e = document.getElementById("mjwelcome");
if(e.style.height == '')
e.style.height = '0px';
else
e.style.height = '';
}
generateNumbers()
expects a parameter and you aren't passing one in!
generateNumbers() also returns after it has set the first random number - seems to be some confusion about what it is trying to do.
As to the cause, the <f:attribute>
is specific to the component itself (populated during view build time), not to the iterated row (populated during view render time).
There are several ways to achieve the requirement.
If your servletcontainer supports a minimum of Servlet 3.0 / EL 2.2, then just pass it as an argument of action/listener method of UICommand
component or AjaxBehavior
tag. E.g.
<h:commandLink action="#{bean.insert(item.id)}" value="insert" />
In combination with:
public void insert(Long id) {
// ...
}
This only requires that the datamodel is preserved for the form submit request. Best is to put the bean in the view scope by @ViewScoped
.
You can even pass the entire item object:
<h:commandLink action="#{bean.insert(item)}" value="insert" />
with:
public void insert(Item item) {
// ...
}
On Servlet 2.5 containers, this is also possible if you supply an EL implementation which supports this, like as JBoss EL. For configuration detail, see this answer.
Use <f:param>
in UICommand
component. It adds a request parameter.
<h:commandLink action="#{bean.insert}" value="insert">
<f:param name="id" value="#{item.id}" />
</h:commandLink>
If your bean is request scoped, let JSF set it by @ManagedProperty
@ManagedProperty(value="#{param.id}")
private Long id; // +setter
Or if your bean has a broader scope or if you want more fine grained validation/conversion, use <f:viewParam>
on the target view, see also f:viewParam vs @ManagedProperty:
<f:viewParam name="id" value="#{bean.id}" required="true" />
Either way, this has the advantage that the datamodel doesn't necessarily need to be preserved for the form submit (for the case that your bean is request scoped).
Use <f:setPropertyActionListener>
in UICommand
component. The advantage is that this removes the need for accessing the request parameter map when the bean has a broader scope than the request scope.
<h:commandLink action="#{bean.insert}" value="insert">
<f:setPropertyActionListener target="#{bean.id}" value="#{item.id}" />
</h:commandLink>
In combination with
private Long id; // +setter
It'll be just available by property id
in action method. This only requires that the datamodel is preserved for the form submit request. Best is to put the bean in the view scope by @ViewScoped
.
Bind the datatable value to DataModel<E>
instead which in turn wraps the items.
<h:dataTable value="#{bean.model}" var="item">
with
private transient DataModel<Item> model;
public DataModel<Item> getModel() {
if (model == null) {
model = new ListDataModel<Item>(items);
}
return model;
}
(making it transient
and lazily instantiating it in the getter is mandatory when you're using this on a view or session scoped bean since DataModel
doesn't implement Serializable
)
Then you'll be able to access the current row by DataModel#getRowData()
without passing anything around (JSF determines the row based on the request parameter name of the clicked command link/button).
public void insert() {
Item item = model.getRowData();
Long id = item.getId();
// ...
}
This also requires that the datamodel is preserved for the form submit request. Best is to put the bean in the view scope by @ViewScoped
.
Use Application#evaluateExpressionGet()
to programmatically evaluate the current #{item}
.
public void insert() {
FacesContext context = FacesContext.getCurrentInstance();
Item item = context.getApplication().evaluateExpressionGet(context, "#{item}", Item.class);
Long id = item.getId();
// ...
}
Which way to choose depends on the functional requirements and whether the one or the other offers more advantages for other purposes. I personally would go ahead with #1 or, when you'd like to support servlet 2.5 containers as well, with #2.
For anyone who stumbles across this post looking for a solution and you've set up SMTP sendgrid via Azure.
The username is not the username you set up when you've created the sendgrid object in azure. To find your username;
Hope this helps!
As balusC said SERVER_NAME is not reliable and can be changed in apache config , server name config of server and firewall that can be between you and server.
Following function always return real host (user typed host) without port and it's almost reliable:
function getRealHost(){
list($realHost,)=explode(':',$_SERVER['HTTP_HOST']);
return $realHost;
}
The accepted answer offers a solution which requires changing of the underlying data frame. This is not necessary. One can also simply factorise within the aes()
call directly or create a vector for that instead.
This is certainly not much different than user Drew Steen's answer, but with the important difference of not changing the original data frame.
level_order <- c('virginica', 'versicolor', 'setosa') #this vector might be useful for other plots/analyses
ggplot(iris, aes(x = factor(Species, level = level_order), y = Petal.Width)) + geom_col()
or
level_order <- factor(iris$Species, level = c('virginica', 'versicolor', 'setosa'))
ggplot(iris, aes(x = level_order, y = Petal.Width)) + geom_col()
or
directly in the aes()
call without a pre-created vector:
ggplot(iris, aes(x = factor(Species, level = c('virginica', 'versicolor', 'setosa')), y = Petal.Width)) + geom_col()
You can download a JSON parser from a link on the JSON.org website which works great, you can also stringify you JSON to view the contents.
Also, if you're using EVAL and it's a JSON array then you'll need to use the following synrax:
eval('([' + jsonData + '])');
Try this - You have to import java.util.regex.*;
Pattern pattern = Pattern.compile("\\s+");
Matcher matcher = pattern.matcher(string);
boolean check = matcher.find();
String str = matcher.replaceAll(" ");
Where string
is your string on which you need to remove duplicate white spaces
Here's a fun solution:
/**
* Filter-map. Like map, but skips undefined values.
*
* @param callback
*/
function fmap(callback) {
return this.reduce((accum, ...args) => {
let x = callback(...args);
if(x !== undefined) {
accum.push(x);
}
return accum;
}, []);
}
Use with the bind operator:
[1,2,-1,3]::fmap(x => x > 0 ? x * 2 : undefined); // [2,4,6]
I was also getting this issue also however none of the above worked for me as I was using a custom binding (for BinaryXML) after an long time digging I found the answer here :-
Sending large XML from Silverlight to WCF
As am using a customBinding, the maxReceivedMessageSize has to be set on the httpTransport element under the binding element in the web.config:
<httpsTransport maxReceivedMessageSize="4194304" />
Best solution for you issue will be
heroku pg:reset -r heroku --confirm your_heroku_app_name
--confirm your_heroku_app_name
is not required, but terminal always ask me do that command.
After that command you will be have pure db, without structure and stuff, after that you can run
heroku run rake db:schema:load -r heroku
or
heroku run rake db:migrate -r heroku
there is a good library to use its called djagno-nomad, although not directly related to the question asked, thought of sharing this,
scenario: most of the time when switching to project, we feel like it should revert our changes that we did on this current branch, that's what exactly this library does, checkout below
In my case I put required="required" inside CKEditor control.
Removing this attribute fixed the issue.
Before
<CKEditor:CKEditorControl ID="txtDescription" BasePath="/ckeditor/" runat="server" required="required"></CKEditor:CKEditorControl>
After
<CKEditor:CKEditorControl ID="txtDescription" BasePath="/ckeditor/" runat="server"></CKEditor:CKEditorControl>
You can download IE Driver (both 32 and 64-bit) from Selenium official site: http://docs.seleniumhq.org/download/
IE Driver is also available in the following site:
Modern browsers do not currently implement JSONRequest (as far as I know) since it is only a draft right now. I have found someone who has implemented it as a library that you can include in your page: http://devpro.it/JSON/files/JSONRequest-js.html (please note that it has a few dependencies).
Otherwise, you might want to go with another JS library like jQuery or Mootools.
Here is some code that I recently wrote. I think that it provides a basic explanation of combining class/ID names with pseudoclasses.
.content {_x000D_
width: 800px;_x000D_
border: 1px solid black;_x000D_
border-radius: 10px;_x000D_
box-shadow: 0 0 5px 2px grey;_x000D_
margin: 30px auto 20px auto;_x000D_
/*height:200px;*/_x000D_
_x000D_
}_x000D_
p.red {_x000D_
color: red;_x000D_
}_x000D_
p.blue {_x000D_
color: blue;_x000D_
}_x000D_
p#orange {_x000D_
color: orange;_x000D_
}_x000D_
p#green {_x000D_
color: green;_x000D_
}
_x000D_
<!DOCTYPE html>_x000D_
<html>_x000D_
_x000D_
<head>_x000D_
<title>Class practice</title>_x000D_
<link href="wrench_favicon.ico" rel="icon" type="image/x-icon" />_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
<div class="content">_x000D_
<p id="orange">orange</p>_x000D_
<p id="green">green</p>_x000D_
<p class="red">red</p>_x000D_
<p class="blue">blue</p>_x000D_
</div>_x000D_
</body>_x000D_
_x000D_
</html>
_x000D_
you can use position(text in text) in order by for ordering the sequence
Note: Simplest difference between sort() and sorted() is: sort() doesn't return any value while, sorted() returns an iterable list.
sort() doesn't return any value.
The sort() method just sorts the elements of a given list in a specific order - Ascending or Descending without returning any value.
The syntax of sort() method is:
list.sort(key=..., reverse=...)
Alternatively, you can also use Python's in-built function sorted() for the same purpose. sorted function return sorted list
list=sorted(list, key=..., reverse=...)
Edit /etc/paths
. Then close the terminal and reopen it.
$ sudo vi /etc/paths
Note: each entry is seperated by line breaks.
/usr/local/bin
/usr/bin
/bin
/usr/sbin
/sbin
for folder, subs, files in os.walk(unicode(docs_dir, 'utf-8')):
for filename in files:
if not filename.startswith('.'):
file_path = os.path.join(folder, filename)
According your condition, you can also define some environmental variables, and fetch it via ENV['some-var']
in ruby code, this solution may not fit for you, but I hope it may help others.
Example: you can create different files .development_env
, .production_env
, .test_env
and load it according your application environments, check this gen dotenv-rails which automate this for your.
The command is lowercase: touch filename
.
Keep in mind that touch
will only create a new file if it does not exist! Here's some docs for good measure: http://unixhelp.ed.ac.uk/CGI/man-cgi?touch
If you always want an empty file, one way to do so would be to use:
echo "" > filename
With Java 8 you can simply convert your list to a stream allowing you to write:
import java.util.List;
import java.util.stream.Collectors;
List<Sample> list = new ArrayList<Sample>();
List<Sample> result = list.stream()
.filter(a -> Objects.equals(a.value3, "three"))
.collect(Collectors.toList());
Note that
a -> Objects.equals(a.value3, "three")
is a lambda expressionresult
is a List
with a Sample
typelist.parallelStream()
instead of list.stream()
(read this)If you can't use Java 8, you can use Apache Commons library and write:
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
Collection result = CollectionUtils.select(list, new Predicate() {
public boolean evaluate(Object a) {
return Objects.equals(((Sample) a).value3, "three");
}
});
// If you need the results as a typed array:
Sample[] resultTyped = (Sample[]) result.toArray(new Sample[result.size()]);
Note that:
Object
to Sample
at each iterationSample[]
, you need extra code (as shown in my sample)Bonus: A nice blog article talking about how to find element in list.
Style the td
and th
instead
td, th {
border: 1px solid black;
}
And also to make it so there is no spacing between cells use:
table {
border-collapse: collapse;
}
(also note, you have border-style: none;
which should be border-style: solid;
)
See an example here: http://jsfiddle.net/KbjNr/
i'd suggest shorter and faster approach:
printf("%.2f", ((signed long)(fVal * 100) * 0.01f));
this way you won't overflow int, plus multiplication by 100 shouldn't influence the significand/mantissa itself, because the only thing that really is changing is exponent.
You can get all checked checkboxes like this:
var boxes = $(":checkbox:checked");
And all non-checked like this:
var nboxes = $(":checkbox:not(:checked)");
You could merely cycle through either one of these collections, and store those names. If anything is absent, you know it either was or wasn't checked. In PHP, if you had an array of names which were checked, you could simply do an in_array()
request to know whether or not any particular box should be checked at a later date.
jQuery also has a serialize method that will maintain the state of your form controls. For instance, the example provided on jQuery's website follows:
single=Single2&multiple=Multiple&multiple=Multiple3&check=check2&radio=radio2
This will enable you to keep the information for which elements were checked as well.
Correct way described in this answer: https://stackoverflow.com/a/52772444/2519714 Most popular answer at current moment is not totally correct.
This way https://stackoverflow.com/a/24838367/2519714 is not correct in some cases like: sub select has where bindings, then joining table to sub select, then other wheres added to all query. For example query:
select * from (select * from t1 where col1 = ?) join t2 on col1 = col2 and col3 = ? where t2.col4 = ?
To make this query you will write code like:
$subQuery = DB::query()->from('t1')->where('t1.col1', 'val1');
$query = DB::query()->from(DB::raw('('. $subQuery->toSql() . ') AS subquery'))
->mergeBindings($subQuery->getBindings());
$query->join('t2', function(JoinClause $join) {
$join->on('subquery.col1', 't2.col2');
$join->where('t2.col3', 'val3');
})->where('t2.col4', 'val4');
During executing this query, his method $query->getBindings()
will return bindings in incorrect order like ['val3', 'val1', 'val4']
in this case instead correct ['val1', 'val3', 'val4']
for raw sql described above.
One more time correct way to do this:
$subQuery = DB::query()->from('t1')->where('t1.col1', 'val1');
$query = DB::query()->fromSub($subQuery, 'subquery');
$query->join('t2', function(JoinClause $join) {
$join->on('subquery.col1', 't2.col2');
$join->where('t2.col3', 'val3');
})->where('t2.col4', 'val4');
Also bindings will be automatically and correctly merged to new query.
can be used also like that:
dirname(dirname(abspath(__file__)))
just create a new sheet with cells with linebreak, save it to csv then open it with an editor that can show the end of line characters (like notepad++). By doing that you will notice that a linebreak in a cell is coded with LF while a "real" end of line is code with CR LF. Voilà, now you know how to generate a "correct" csv file for excel.
As has been mentioned, as of PHP 5.6+ you can (should!) use the ...
token (aka "splat operator", part of the variadic functions functionality) to easily call a function with an array of arguments:
<?php
function variadic($arg1, $arg2)
{
// Do stuff
echo $arg1.' '.$arg2;
}
$array = ['Hello', 'World'];
// 'Splat' the $array in the function call
variadic(...$array);
// 'Hello World'
Note: array items are mapped to arguments by their position in the array, not their keys.
As per CarlosCarucce's comment, this form of argument unpacking is the fastest method by far in all cases. In some comparisons, it's over 5x faster than call_user_func_array
.
Because I think this is really useful (though not directly related to the question): you can type-hint the splat operator parameter in your function definition to make sure all of the passed values match a specific type.
(Just remember that doing this it MUST be the last parameter you define and that it bundles all parameters passed to the function into the array.)
This is great for making sure an array contains items of a specific type:
<?php
// Define the function...
function variadic($var, SomeClass ...$items)
{
// $items will be an array of objects of type `SomeClass`
}
// Then you can call...
variadic('Hello', new SomeClass, new SomeClass);
// or even splat both ways
$items = [
new SomeClass,
new SomeClass,
];
variadic('Hello', ...$items);
You can use the Java UUID class to store these values, instead of byte arrays:
UUID
public UUID(long mostSigBits,
long leastSigBits)
Constructs a new UUID using the specified data. mostSigBits is used for the most significant 64 bits of the UUID and leastSigBits becomes the least significant 64 bits of the UUID.
Think about it. When your client makes a GET request to an URI X, what it's saying to the server is: "I want a representation of the resource located at X, and this operation shouldn't change anything on the server." A PUT request is saying: "I want you to replace whatever is the resource located at X with the new entity I'm giving you on the body of this request". A DELETE request is saying: "I want you to delete whatever is the resource located at X". A PATCH is saying "I'm giving you this diff, and you should try to apply it to the resource at X and tell me if it succeeds." But a POST is saying: "I'm sending you this data subordinated to the resource at X, and we have a previous agreement on what you should do with it."
If you don't have it documented somewhere that the resource expects a POST and does something with it, it doesn't make sense to send a POST to it expecting it to act like a GET.
REST relies on the standardized behavior of the underlying protocol, and POST is precisely the method used for an action that isn't standardized. The result of a GET, PUT and DELETE requests are clearly defined in the standard, but POST isn't. The result of a POST is subordinated to the server, so if it's not documented that you can use POST to do something, you have to assume that you can't.
There isn't a field initialization syntax like that for objects in JavaScript or TypeScript.
Option 1:
class bar {
// Makes a public field called 'length'
constructor(public length: number) { }
}
bars = [ new bar(1) ];
Option 2:
interface bar {
length: number;
}
bars = [ {length: 1} ];
I've got a YouTube video on this.
Short answer: Use mock
when you're passing in the thing that you want mocked, and patch
if you're not. Of the two, mock is strongly preferred because it means you're writing code with proper dependency injection.
Silly example:
# Use a mock to test this.
my_custom_tweeter(twitter_api, sentence):
sentence.replace('cks','x') # We're cool and hip.
twitter_api.send(sentence)
# Use a patch to mock out twitter_api. You have to patch the Twitter() module/class
# and have it return a mock. Much uglier, but sometimes necessary.
my_badly_written_tweeter(sentence):
twitter_api = Twitter(user="XXX", password="YYY")
sentence.replace('cks','x')
twitter_api.send(sentence)
.py
: This is normally the input source code that you've written..pyc
: This is the compiled bytecode. If you import a module, python will build a *.pyc
file that contains the bytecode to make importing it again later easier (and faster)..pyo
: This was a file format used before Python 3.5 for *.pyc
files that were created with optimizations (-O
) flag. (see the note below).pyd
: This is basically a windows dll file. http://docs.python.org/faq/windows.html#is-a-pyd-file-the-same-as-a-dllAlso for some further discussion on .pyc
vs .pyo
, take a look at: http://www.network-theory.co.uk/docs/pytut/CompiledPythonfiles.html (I've copied the important part below)
- When the Python interpreter is invoked with the -O flag, optimized code is generated and stored in ‘.pyo’ files. The optimizer currently doesn't help much; it only removes assert statements. When -O is used, all bytecode is optimized; .pyc files are ignored and .py files are compiled to optimized bytecode.
- Passing two -O flags to the Python interpreter (-OO) will cause the bytecode compiler to perform optimizations that could in some rare cases result in malfunctioning programs. Currently only
__doc__
strings are removed from the bytecode, resulting in more compact ‘.pyo’ files. Since some programs may rely on having these available, you should only use this option if you know what you're doing.- A program doesn't run any faster when it is read from a ‘.pyc’ or ‘.pyo’ file than when it is read from a ‘.py’ file; the only thing that's faster about ‘.pyc’ or ‘.pyo’ files is the speed with which they are loaded.
- When a script is run by giving its name on the command line, the bytecode for the script is never written to a ‘.pyc’ or ‘.pyo’ file. Thus, the startup time of a script may be reduced by moving most of its code to a module and having a small bootstrap script that imports that module. It is also possible to name a ‘.pyc’ or ‘.pyo’ file directly on the command line.
Note:
On 2015-09-15 the Python 3.5 release implemented PEP-488 and eliminated .pyo
files.
This means that .pyc
files represent both unoptimized and optimized bytecode.
DispatchQueue.main.async(execute: {
// code
})
Perhaps not a major language (unfortunately), but in APL, theres the ?EA operation (stand for Execute Alternate).
Usage: 'Y' ?EA 'X' where X and Y are either code snippets supplied as strings or function names.
If X runs into an error, Y (usually error-handling) will be executed instead.
In this simple way
char str [10] = "IAmCute";
printf ("%c",str[4]);
PHP parser errors take some getting used to; if it complains about an unexpected 'something' at line X, look at line X-1 first. In this case it will not tell you that you forgot a semi-colon at the end of the previous line , instead it will complain about the if
that comes next.
You'll get used to it :)
groupId and Mojo name change Since version 2.0-beta-1 tomcat mojos has been renamed to tomcat6 and tomcat7 with the same goals.
You must configure your pom to use this new groupId:
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat6-maven-plugin</artifactId>
<version>2.3-SNAPSHOT</version>
</plugin>
<plugin>
<groupId>org.apache.tomcat.maven</groupId>
<artifactId>tomcat7-maven-plugin</artifactId>
<version>2.3-SNAPSHOT</version>
</plugin>
</plugins>
</pluginManagement>
Or add the groupId in your settings.xml
.... org.apache.tomcat.maven ....
You could use the SQL%ROWCOUNT
Oracle variable:
UPDATE table1
SET field2 = value2,
field3 = value3
WHERE field1 = value1;
IF (SQL%ROWCOUNT = 0) THEN
INSERT INTO table (field1, field2, field3)
VALUES (value1, value2, value3);
END IF;
It would be easier just to determine if your primary key (i.e. field1
) has a value and then perform an insert or update accordingly. That is, if you use said values as parameters for a stored procedure.
Here's what I did:
That's it. I have tested it with my Nokia and it's working for me.
in this link i mentioned before on the comment, read this part :
A "fetch" join allows associations or collections of values to be initialized along with their parent objects using a single select. This is particularly useful in the case of a collection. It effectively overrides the outer join and lazy declarations of the mapping file for associations and collections.
this "JOIN FETCH" will have it's effect if you have (fetch = FetchType.LAZY) property for a collection inside entity(example bellow).
And it is only effect the method of "when the query should happen". And you must also know this:
hibernate have two orthogonal notions : when is the association fetched and how is it fetched. It is important that you do not confuse them. We use fetch to tune performance. We can use lazy to define a contract for what data is always available in any detached instance of a particular class.
when is the association fetched --> your "FETCH" type
how is it fetched --> Join/select/Subselect/Batch
In your case, FETCH will only have it's effect if you have department as a set inside Employee, something like this in the entity:
@OneToMany(fetch = FetchType.LAZY)
private Set<Department> department;
when you use
FROM Employee emp
JOIN FETCH emp.department dep
you will get emp
and emp.dep
. when you didnt use fetch you can still get emp.dep
but hibernate will processing another select to the database to get that set of department.
so its just a matter of performance tuning, about you want to get all result(you need it or not) in a single query(eager fetching), or you want to query it latter when you need it(lazy fetching).
Use eager fetching when you need to get small data with one select(one big query). Or use lazy fetching to query what you need latter(many smaller query).
use fetch when :
no large unneeded collection/set inside that entity you about to get
communication from application server to database server too far and need long time
you may need that collection latter when you don't have the access to it(outside of the transactional method/class)
Like others have already said, it's not immediately obvious what you're asking. I'm going to assume that you want to start a process and then perform another action when the process "is ready".
Of course, the "is ready" is the tricky bit. Depending on what you're needs are, you may find that simply waiting is sufficient. However, if you need a more robust solution, you can consider using a named Mutex to control the control flow between your two processes.
For example, in your main process, you might create a named mutex and start a thread or task which will wait. Then, you can start the 2nd process. When that process decides that "it is ready", it can open the named mutex (you have to use the same name, of course) and signal to the first process.
This workded for me.
1) MyApp file
vi /etc/nginx/sites-available/myApp
server {
listen 80;
listen [::]:80;
root /var/www/myApp;
index index.php index.html index.htm;
location ~ \.php$ {
try_files $uri =404;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_pass unix:/run/php/php7.0-fpm.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
}
PHP5 users
Change
fastcgi_pass unix:/run/php/php7.0-fpm.sock;
to
fastcgi_pass unix:/var/run/php5-fpm.sock;
2) Configure cgi.fix_pathinfo
Set cgi.fix_pathinfo to 0
Location:
PHP5 /etc/php5/fpm/php.ini
PHP7 /etc/php/7.0/fpm/php.ini
3) Restart services
FPM
php5 sudo service php5-fpm restart
php7 sudo service php7.0-fpm restart
NGINX
sudo service nginx restart
You should convert first DataSource
in BindingSource
, look example
BindingSource bs = (BindingSource)dgrid.DataSource; // Se convierte el DataSource
DataTable tCxC = (DataTable) bs.DataSource;
With the data of tCxC
you can do anything.
Update: There are now better, cleaner solutions to this problem. Please consider the other answers first.
I eventually found an answer to this by ronen on his blog. The problem I was having is due to the method Mockito.mock(Class c)
declaring a return type of Object
. Consequently Spring is unable to infer the bean type from the factory method return type.
Ronen's solution is to create a FactoryBean
implementation that returns mocks. The FactoryBean
interface allows Spring to query the type of objects created by the factory bean.
My mocked bean definition now looks like:
<bean id="mockDaoFactory" name="dao" class="com.package.test.MocksFactory">
<property name="type" value="com.package.Dao" />
</bean>
The currently accepted answer does not actually address the question, which asks how to save lists that contain both strings and float numbers. For completeness I provide a fully working example, which is based, with some modifications, on the link given in @joris comment.
import numpy as np
names = np.array(['NAME_1', 'NAME_2', 'NAME_3'])
floats = np.array([ 0.1234 , 0.5678 , 0.9123 ])
ab = np.zeros(names.size, dtype=[('var1', 'U6'), ('var2', float)])
ab['var1'] = names
ab['var2'] = floats
np.savetxt('test.txt', ab, fmt="%10s %10.3f")
Update: This example also works properly in Python 3 by using the 'U6'
Unicode string dtype, when creating the ab
structured array, instead of the 'S6'
byte string. The latter dtype would work in Python 2.7, but would write strings like b'NAME_1'
in Python 3.
I looked for an array wrapper which makes it comparable to use with guava TreeRangeMap. The class doesn't accept comparator.
After some research I realized that ByteBuffer from JDK has this feature and it doesn't copy original array which is good. More over you can compare faster with ByteBuffer::asLongBuffer 8 bytes at time (also doesn't copy). By default ByteBuffer::wrap(byte[]) use BigEndian so order relation is the same as comparing individual bytes.
.
JSON.parse() doesn't recognize That data as string. For example {objAskGrant:"Yes",objPass:"asdfasdf",objNameSurname:"asdfasdf adfasdf",objEmail:"[email protected]",objGsm:3241234123,objAdres:"asdfasdf",objTerms:"CheckIsValid"}
Which is like this: JSON.parse({objAskGrant:"Yes",objPass:"asdfasdf",objNameSurname:"asdfasdf adfasdf",objEmail:"[email protected]",objGsm:3241234123,objAdres:"asdfasdf",objTerms:"CheckIsValid"});
That will output SyntaxError: missing " ' " instead of "{" on line...
So correctly wrap all data like this: '{"objAskGrant":"Yes","objPass":"asdfasdf","objNameSurname":"asdfasdf adfasdf","objEmail":"[email protected]","objGsm":3241234123,"objAdres":"asdfasdf","objTerms":"CheckIsValid"}'
Which works perfectly well for me.
And not like this: "{"objAskGrant":"Yes","objPass":"asdfasdf","objNameSurname":"asdfasdf adfasdf","objEmail":"[email protected]","objGsm":3241234123,"objAdres":"asdfasdf","objTerms":"CheckIsValid"}"
Which give the present error you are experiencing.
We can make a function to manage return class with condition
<script>
angular.module('myapp', [])
.controller('ExampleController', ['$scope', function ($scope) {
$scope.MyColors = ['It is Red', 'It is Yellow', 'It is Blue', 'It is Green', 'It is Gray'];
$scope.getClass = function (strValue) {
switch(strValue) {
case "It is Red":return "Red";break;
case "It is Yellow":return "Yellow";break;
case "It is Blue":return "Blue";break;
case "It is Green":return "Green";break;
case "It is Gray":return "Gray";break;
}
}
}]);
</script>
And then
<body ng-app="myapp" ng-controller="ExampleController">
<h2>AngularJS ng-class if example</h2>
<ul >
<li ng-repeat="icolor in MyColors" >
<p ng-class="[getClass(icolor), 'b']">{{icolor}}</p>
</li>
</ul>
<hr/>
<p>Other way using : ng-class="{'class1' : expression1, 'class2' : expression2,'class3':expression2,...}"</p>
<ul>
<li ng-repeat="icolor in MyColors">
<p ng-class="{'Red':icolor=='It is Red','Yellow':icolor=='It is Yellow','Blue':icolor=='It is Blue','Green':icolor=='It is Green','Gray':icolor=='It is Gray'}" class="b">{{icolor}}</p>
</li>
</ul>
You can refer to full code page at ng-class if example
The same answer : JOptionpane with an example :)
package experiments;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class CreateDialogFromOptionPane {
public static void main(final String[] args) {
final JFrame parent = new JFrame();
JButton button = new JButton();
button.setText("Click me to show dialog!");
parent.add(button);
parent.pack();
parent.setVisible(true);
button.addActionListener(new java.awt.event.ActionListener() {
@Override
public void actionPerformed(java.awt.event.ActionEvent evt) {
String name = JOptionPane.showInputDialog(parent,
"What is your name?", null);
}
});
}
}
Here is my layout:
<HorizontalScrollView
android:id="@+id/horizontalScrollView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="@dimen/padding" >
<LinearLayout
android:id="@+id/shapeLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="10dp" >
</LinearLayout>
</HorizontalScrollView>
And I populate it in the code with dynamic check-boxes.
If your system has systemctl
sudo systemctl reload nginx
If your system supports service
(using debian/ubuntu) try this
sudo service nginx reload
If not (using centos/fedora/etc) you can try the init script
sudo /etc/init.d/nginx reload
For me, I accidentally included my local database name inside the SQL query, hence the access denied issue came up when I deployed.
I removed the database name from the SQL query and it got fixed.
If you don't want your image to be pre-scaled you can move it to the res/drawable-nodpi/
folder.
More info: https://developer.android.com/training/multiscreen/screendensities#DensityConsiderations
You can make a bookmark with this as the url:
javascript:
var cached_anchors = $$('a');
for (var i in cached_anchors) {
var ca = cached_anchors[i];
if(ca.href.search('sprite') < 0 && ca.href.search('.png') > -1 || ca.href.search('.gif') > -1 || ca.href.search('.jpg') > -1) {
var a = document.createElement('a');
a.href = ca.innerHTML;
a.target = '_blank';
var img = document.createElement('img');
img.src = ca.innerHTML;
img.style.maxHeight = '100px';
a.appendChild(img);
document.getElementsByTagName('body')[0].appendChild(a);
}
}
document.getElementsByTagName('body')[0].removeChild(document.getElementsByTagName('table')[0]);
void(0);
Then just go to chrome://cache and then click your bookmark and it'll show you all the images.
Open your page in Firefox and get the HTTPFox addon. It will tell you all that you need.
Found this on archivist.incuito:
http://archivist.incutio.com/viewlist/css-discuss/76444
When you first request a page, your browser sends a GET request to the server, which returns the HTML to the browser. The browser then starts parsing the page (possibly before all of it has been returned).
When it finds a reference to an external entity such as a CSS file, an image file, a script file, a Flash file, or anything else external to the page (either on the same server/domain or not), it prepares to make a further GET request for that resource.
However the HTTP standard specifies that the browser should not make more than two concurrent requests to the same domain. So it puts each request to a particular domain in a queue, and as each entity is returned it starts the next one in the queue for that domain.
The time it takes for an entity to be returned depends on its size, the load the server is currently experiencing, and the activity of every single machine between the machine running the browser and the server. The list of these machines can in principle be different for every request, to the extent that one image might travel from the USA to me in the UK over the Atlantic, while another from the same server comes out via the Pacific, Asia and Europe, which takes longer. So you might get a sequence like the following, where a page has (in this order) references to three script files, and five image files, all of differing sizes:
- GET script1 and script2; queue request for script3 and images1-5.
- script2 arrives (it's smaller than script1): GET script3, queue images1-5.
- script1 arrives; GET image1, queue images2-5.
- image1 arrives, GET image2, queue images3-5.
- script3 fails to arrive due to a network problem - GET script3 again (automatic retry).
- image2 arrives, script3 still not here; GET image3, queue images4-5.
- image 3 arrives; GET image4, queue image5, script3 still on the way.
- image4 arrives, GET image5;
- image5 arrives.
- script3 arrives.
In short: any old order, depending on what the server is doing, what the rest of the Internet is doing, and whether or not anything has errors and has to be re-fetched. This may seem like a weird way of doing things, but it would quite literally be impossible for the Internet (not just the WWW) to work with any degree of reliability if it wasn't done this way.
Also, the browser's internal queue might not fetch entities in the order they appear in the page - it's not required to by any standard.
(Oh, and don't forget caching, both in the browser and in caching proxies used by ISPs to ease the load on the network.)
post your complete string. Though, my guess is there is an apostrophe (') character in your string. replace it with (\') and it will fix the issue. for example,
//strings.xml
<string name="terms">
Hey Mr. Android, are you stuck? Here, I\'ll clear a path for you.
</string>
Ref:
To prevent full size category images slowing page down, you can use smaller images with wp_get_attachment_image_src()
:
<?php
$thumbnail_id = get_woocommerce_term_meta( $term->term_id, 'thumbnail_id', true );
// get the medium-sized image url
$image = wp_get_attachment_image_src( $thumbnail_id, 'medium' );
// Output in img tag
echo '<img src="' . $image[0] . '" alt="" />';
// Or as a background for a div
echo '<div class="image" style="background-image: url("' . $image[0] .'")"></div>';
?>
EDIT: Fixed variable name and missing quote
You can do the following:
df =DataFrame({'a':[1,2,3,4],'b':[2,4,6,8]})
df['x']=df.a + df.b
df['y']=df.a - df.b
create column title whatever order you want in this way:
column_titles = ['x','y','a','b']
df.reindex(columns=column_titles)
This will give you desired output
The asker's original inclination to use str.charCodeAt(i)
appears to be faster than the regular expression alternative. In my test on jsPerf the RegExp option performs 66% slower in Chrome 36 (and slightly slower in Firefox 31).
Here's a cleaned-up version of the original validation code that receives a string and returns true
or false
:
function isAlphaNumeric(str) {
var code, i, len;
for (i = 0, len = str.length; i < len; i++) {
code = str.charCodeAt(i);
if (!(code > 47 && code < 58) && // numeric (0-9)
!(code > 64 && code < 91) && // upper alpha (A-Z)
!(code > 96 && code < 123)) { // lower alpha (a-z)
return false;
}
}
return true;
};
Of course, there may be other considerations, such as readability. A one-line regular expression is definitely prettier to look at. But if you're strictly concerned with speed, you may want to consider this alternative.
It can be confusing, I agree. Try utilizing table features. I use this simple CSS trick to position modals at the center of the webpage. It has large browser support:
<div class="table">
<div class="cell">
<img src="..." alt="..." />
<span>It works now</span>
</div>
</div>
and CSS part:
.table { display: table; }
.cell { display: table-cell; vertical-align: middle; }
Note that you have to style and adjust the size of image and table container to make it work as you desire. Enjoy.
The problem is that variables declared in one case
are still visible in the subsequent case
s unless an explicit { }
block is used, but they will not be initialized because the initialization code belongs to another case
.
In the following code, if foo
equals 1, everything is ok, but if it equals 2, we'll accidentally use the i
variable which does exist but probably contains garbage.
switch(foo) {
case 1:
int i = 42; // i exists all the way to the end of the switch
dostuff(i);
break;
case 2:
dostuff(i*2); // i is *also* in scope here, but is not initialized!
}
Wrapping the case in an explicit block solves the problem:
switch(foo) {
case 1:
{
int i = 42; // i only exists within the { }
dostuff(i);
break;
}
case 2:
dostuff(123); // Now you cannot use i accidentally
}
To further elaborate, switch
statements are just a particularly fancy kind of a goto
. Here's an analoguous piece of code exhibiting the same issue but using a goto
instead of a switch
:
int main() {
if(rand() % 2) // Toss a coin
goto end;
int i = 42;
end:
// We either skipped the declaration of i or not,
// but either way the variable i exists here, because
// variable scopes are resolved at compile time.
// Whether the *initialization* code was run, though,
// depends on whether rand returned 0 or 1.
std::cout << i;
}
I strongly prefer simply using Microsoft Visual Studio and writing a native Win32 app.
For a GUI as simple as the one that you describe, you could simply create a Dialog Box and use it as your main application window. The default application created by the Win32 Project wizard in Visual Studio actually pops a window, so you can replace that window with your Dialog Box and replace the WndProc with a similar (but simpler) DialogProc.
The question, then, is one of tools and cost. The Express Edition of Visual C++ does everything you want except actually create the Dialog Template resource. For this, you could either code it in the RC file by hand or in memory by hand. Related SO question: Windows API Dialogs without using resource files.
Or you could try one of the free resource editors that others have recommended.
Finally, the Visual Studio 2008 Standard Edition is a costlier option but gives you an integrated resource editor.
I'm sure you are using a old version. You must use the last version available at master branch:
for everything related to Python's style guide: i'd recommend you read PEP8.
To answer your question:
Function names should be lowercase, with words separated by underscores as necessary to improve readability.
For those who are using Database First
approach all you have to do after inserting a new entity is to Generate Database From Model
again by right click on your .edmx
file and select Generate Database From Model...
var cubes = [["string", "string"], ["string", "string"]];
for(var i = 0; i < cubes.length; i++) {
for(var j = 0; j < cubes[i].length; j++) {
console.log(cubes[i][j]);
}
}
After coming back to my own question after 5 year and seeing so many people found this useful, a little update.
A string variable can be split into a list
by using the split function (it can contain similar values, set
is for the assignment) . I haven't found this function in the official documentation but it works similar to normal Python. The items can be called via an index, used in a loop or like Dave suggested if you know the values, it can set variables like a tuple.
{% set list1 = variable1.split(';') %}
The grass is {{ list1[0] }} and the boat is {{ list1[1] }}
or
{% set list1 = variable1.split(';') %}
{% for item in list1 %}
<p>{{ item }}<p/>
{% endfor %}
or
{% set item1, item2 = variable1.split(';') %}
The grass is {{ item1 }} and the boat is {{ item2 }}
try this
SELECT CURTIME();
return 23:12:58
SELECT CURDATE();
return 2020-11-12
SELECT NOW();
return 2020-11-12 23:19:26
SELECT DAY(now());
return 12
SELECT DAYNAME(now());
return Thursday
Hope this would be helpful for you.
I know this question it is very old. But I didn't see any simple answer like I used to use.
You just need to add the fas
class to the input and put a valid hex in this case 
for Font-Awesome's glyph as here <input type="text" class="fas" placeholder="" />
You can find the unicode of each glyph in the official web here.
This is a simple example you don't need css or javascript.
input {_x000D_
padding: 5px;_x000D_
}
_x000D_
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.6.3/css/all.css" integrity="sha384-UHRtZLI+pbxtHCWp1t77Bi1L4ZtiqrqD80Kn4Z8NTSRyMA2Fd33n5dQ8lWUE00s/" crossorigin="anonymous">_x000D_
<form role="form">_x000D_
<div class="form-group">_x000D_
<input type="text" class="fas" placeholder="" />_x000D_
</div>_x000D_
</form>
_x000D_
Just as an extension to @Steven Lavine answer in case you want to open the browser login window. I found it hard to properly return the Response (MDN HTTP Authentication) from the Filter in case that the user wasn't authenticated yet
This helped me to build the Response to force browser login, note the additional modification of the headers. This will set the status code to 401 and set the header that causes the browser to open the username/password dialog.
// The extended Exception class
public class NotLoggedInException extends WebApplicationException {
public NotLoggedInException(String message) {
super(Response.status(Response.Status.UNAUTHORIZED)
.entity(message)
.type(MediaType.TEXT_PLAIN)
.header("WWW-Authenticate", "Basic realm=SecuredApp").build());
}
}
// Usage in the Filter
if(headers.get("Authorization") == null) { throw new NotLoggedInException("Not logged in"); }
In order to compare two databases, I've written the procedures bellow. If you want to compare two tables you can use procedure 'CompareTables'. Example :
EXEC master.dbo.CompareTables 'DB1', 'dbo', 'table1', 'DB2', 'dbo', 'table2'
If you want to compare two databases, use the procedure 'CompareDatabases'. Example :
EXEC master.dbo.CompareDatabases 'DB1', 'DB2'
Note : - I tried to make the procedures secure, but anyway, those procedures are only for testing and debugging. - If you want a complete solution for comparison use third party like (Visual Studio, ...)
USE [master]
GO
create proc [dbo].[CompareDatabases]
@FirstDatabaseName nvarchar(50),
@SecondDatabaseName nvarchar(50)
as
begin
-- Check that databases exist
if not exists(SELECT name FROM sys.databases WHERE name=@FirstDatabaseName)
return 0
if not exists(SELECT name FROM sys.databases WHERE name=@SecondDatabaseName)
return 0
declare @result table (TABLE_NAME nvarchar(256))
SET NOCOUNT ON
insert into @result EXEC('(Select distinct TABLE_NAME from ' + @FirstDatabaseName + '.INFORMATION_SCHEMA.COLUMNS '
+'Where TABLE_SCHEMA=''dbo'')'
+ 'intersect'
+ '(Select distinct TABLE_NAME from ' + @SecondDatabaseName + '.INFORMATION_SCHEMA.COLUMNS '
+'Where TABLE_SCHEMA=''dbo'')')
DECLARE @TABLE_NAME nvarchar(256)
DECLARE curseur CURSOR FOR
SELECT TABLE_NAME FROM @result
OPEN curseur
FETCH curseur INTO @TABLE_NAME
WHILE @@FETCH_STATUS = 0
BEGIN
print 'TABLE : ' + @TABLE_NAME
EXEC master.dbo.CompareTables @FirstDatabaseName, 'dbo', @TABLE_NAME, @SecondDatabaseName, 'dbo', @TABLE_NAME
FETCH curseur INTO @TABLE_NAME
END
CLOSE curseur
DEALLOCATE curseur
SET NOCOUNT OFF
end
GO
.
USE [master]
GO
CREATE PROC [dbo].[CompareTables]
@FirstTABLE_CATALOG nvarchar(256),
@FirstTABLE_SCHEMA nvarchar(256),
@FirstTABLE_NAME nvarchar(256),
@SecondTABLE_CATALOG nvarchar(256),
@SecondTABLE_SCHEMA nvarchar(256),
@SecondTABLE_NAME nvarchar(256)
AS
BEGIN
-- Verify if first table exist
DECLARE @table1 nvarchar(256) = @FirstTABLE_CATALOG + '.' + @FirstTABLE_SCHEMA + '.' + @FirstTABLE_NAME
DECLARE @return_status int
EXEC @return_status = master.dbo.TableExist @FirstTABLE_CATALOG, @FirstTABLE_SCHEMA, @FirstTABLE_NAME
IF @return_status = 0
BEGIN
PRINT @table1 + ' : Table Not FOUND'
RETURN 0
END
-- Verify if second table exist
DECLARE @table2 nvarchar(256) = @SecondTABLE_CATALOG + '.' + @SecondTABLE_SCHEMA + '.' + @SecondTABLE_NAME
EXEC @return_status = master.dbo.TableExist @SecondTABLE_CATALOG, @SecondTABLE_SCHEMA, @SecondTABLE_NAME
IF @return_status = 0
BEGIN
PRINT @table2 + ' : Table Not FOUND'
RETURN 0
END
-- Compare the two tables
DECLARE @sql AS NVARCHAR(MAX)
SELECT @sql = '('
+ '(SELECT ''' + @table1 + ''' as _Table, * FROM ' + @FirstTABLE_CATALOG + '.' + @FirstTABLE_SCHEMA + '.' + @FirstTABLE_NAME + ')'
+ 'EXCEPT'
+ '(SELECT ''' + @table1 + ''' as _Table, * FROM ' + @SecondTABLE_CATALOG + '.' + @SecondTABLE_SCHEMA + '.' + @SecondTABLE_NAME + ')'
+ ')'
+ 'UNION'
+ '('
+ '(SELECT ''' + @table2 + ''' as _Table, * FROM ' + @SecondTABLE_CATALOG + '.' + @SecondTABLE_SCHEMA + '.' + @SecondTABLE_NAME + ')'
+ 'EXCEPT'
+ '(SELECT ''' + @table2 + ''' as _Table, * FROM ' + @FirstTABLE_CATALOG + '.' + @FirstTABLE_SCHEMA + '.' + @FirstTABLE_NAME + ')'
+ ')'
DECLARE @wrapper AS NVARCHAR(MAX) = 'if exists (' + @sql + ')' + char(10) + ' (' + @sql + ')ORDER BY 2'
Exec(@wrapper)
END
GO
.
USE [master]
GO
CREATE PROC [dbo].[TableExist]
@TABLE_CATALOG nvarchar(256),
@TABLE_SCHEMA nvarchar(256),
@TABLE_NAME nvarchar(256)
AS
BEGIN
IF NOT EXISTS(SELECT name FROM sys.databases WHERE name=@TABLE_CATALOG)
RETURN 0
declare @result table (TABLE_SCHEMA nvarchar(256), TABLE_NAME nvarchar(256))
SET NOCOUNT ON
insert into @result EXEC('Select TABLE_SCHEMA, TABLE_NAME from ' + @TABLE_CATALOG + '.INFORMATION_SCHEMA.COLUMNS')
SET NOCOUNT OFF
IF EXISTS(SELECT TABLE_SCHEMA, TABLE_NAME FROM @result
WHERE TABLE_SCHEMA=@TABLE_SCHEMA AND TABLE_NAME=@TABLE_NAME)
RETURN 1
RETURN 0
END
GO
If you want to convert an entire pandas series of datetimes to regular python datetimes, you can also use .to_pydatetime()
.
pd.date_range('20110101','20110102',freq='H').to_pydatetime()
> [datetime.datetime(2011, 1, 1, 0, 0) datetime.datetime(2011, 1, 1, 1, 0)
datetime.datetime(2011, 1, 1, 2, 0) datetime.datetime(2011, 1, 1, 3, 0)
....
It also supports timezones:
pd.date_range('20110101','20110102',freq='H').tz_localize('UTC').tz_convert('Australia/Sydney').to_pydatetime()
[ datetime.datetime(2011, 1, 1, 11, 0, tzinfo=<DstTzInfo 'Australia/Sydney' EST+11:00:00 DST>)
datetime.datetime(2011, 1, 1, 12, 0, tzinfo=<DstTzInfo 'Australia/Sydney' EST+11:00:00 DST>)
....
NOTE: If you are operating on a Pandas Series you cannot call to_pydatetime()
on the entire series. You will need to call .to_pydatetime()
on each individual datetime64 using a list comprehension or something similar:
datetimes = [val.to_pydatetime() for val in df.problem_datetime_column]
Use #include conio.h
Then add getch();
before return 0;
See https://developer.mozilla.org/en/DOM/document.cookie for more documentation:
setItem: function (sKey, sValue, vEnd, sPath, sDomain, bSecure) {
if (!sKey || /^(?:expires|max\-age|path|domain|secure)$/.test(sKey)) { return; }
var sExpires = "";
if (vEnd) {
switch (typeof vEnd) {
case "number": sExpires = "; max-age=" + vEnd; break;
case "string": sExpires = "; expires=" + vEnd; break;
case "object": if (vEnd.hasOwnProperty("toGMTString")) { sExpires = "; expires=" + vEnd.toGMTString(); } break;
}
}
document.cookie = escape(sKey) + "=" + escape(sValue) + sExpires + (sDomain ? "; domain=" + sDomain : "") + (sPath ? "; path=" + sPath : "") + (bSecure ? "; secure" : "");
}
server.contextPath=/mainstay
works for me if i had one war file in JBOSS. Among multiple war files where each contain jboss-web.xml it didn't work. I had to put jboss-web.xml inside WEB-INF directory with content
<?xml version="1.0" encoding="UTF-8"?>
<jboss-web xmlns="http://www.jboss.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.jboss.com/xml/ns/javaee http://www.jboss.org/j2ee/schema/jboss-web_5_1.xsd">
<context-root>mainstay</context-root>
</jboss-web>
Functions that send/modify HTTP headers must be invoked before any output is made. summary ? Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
Output can be:
Unintentional:
<?php
or after ?>
Intentional:
print
, echo
and other functions producing output<html>
sections prior <?php
code. To understand why headers must be sent before output it's necessary to look at a typical HTTP response. PHP scripts mainly generate HTML content, but also pass a set of HTTP/CGI headers to the webserver:
HTTP/1.1 200 OK
Powered-By: PHP/5.3.7
Vary: Accept-Encoding
Content-Type: text/html; charset=utf-8
<html><head><title>PHP page output page</title></head>
<body><h1>Content</h1> <p>Some more output follows...</p>
and <a href="/"> <img src=internal-icon-delayed> </a>
The page/output always follows the headers. PHP has to pass the headers to the webserver first. It can only do that once. After the double linebreak it can nevermore amend them.
When PHP receives the first output (print
, echo
, <html>
) it will
flush all collected headers. Afterwards it can send all the output
it wants. But sending further HTTP headers is impossible then.
The header()
warning contains all relevant information to
locate the problem cause:
Warning: Cannot modify header information - headers already sent by (output started at /www/usr2345/htdocs/auth.php:52) in /www/usr2345/htdocs/index.php on line 100
Here "line 100" refers to the script where the header()
invocation failed.
The "output started at" note within the parenthesis is more significant.
It denominates the source of previous output. In this example it's auth.php
and line 52
. That's where you had to look for premature output.
Typical causes:
Intentional output from print
and echo
statements will terminate
the opportunity to send HTTP headers. The application flow must
be restructured to avoid that. Use functions
and templating schemes. Ensure header()
calls occur before messages
are written out.
Functions that produce output include
print
, echo
, printf
, vprintf
trigger_error
, ob_flush
, ob_end_flush
, var_dump
, print_r
readfile
, passthru
, flush
, imagepng
, imagejpeg
among others and user-defined functions.
Unparsed HTML sections in a .php
file are direct output as well.
Script conditions that will trigger a header()
call must be noted
before any raw <html>
blocks.
<!DOCTYPE html>
<?php
// Too late for headers already.
Use a templating scheme to separate processing from output logic.
<?php
for "script.php line 1" warningsIf the warning refers to output in line 1
, then it's mostly
leading whitespace, text or HTML before the opening <?php
token.
<?php
# There's a SINGLE space/newline before <? - Which already seals it.
Similarly it can occur for appended scripts or script sections:
?>
<?php
PHP actually eats up a single linebreak after close tags. But it won't compensate multiple newlines or tabs or spaces shifted into such gaps.
Linebreaks and spaces alone can be a problem. But there are also "invisible"
character sequences which can cause this. Most famously the
UTF-8 BOM (Byte-Order-Mark)
which isn't displayed by most text editors. It's the byte sequence EF BB BF
, which
is optional and redundant for UTF-8 encoded documents. PHP however has to treat
it as raw output. It may show up as the characters 
in the output (if the client
interprets the document as Latin-1) or similar "garbage".
In particular graphical editors and Java based IDEs are oblivious to its presence. They don't visualize it (obliged by the Unicode standard). Most programmer and console editors however do:
There it's easy to recognize the problem early on. Other editors may identify
its presence in a file/settings menu (Notepad++ on Windows can identify and
remedy the problem),
Another option to inspect the BOMs presence is resorting to an hexeditor.
On *nix systems hexdump
is usually available,
if not a graphical variant which simplifies auditing these and other issues:
An easy fix is to set the text editor to save files as "UTF-8 (no BOM)" or similar such nomenclature. Often newcomers otherwise resort to creating new files and just copy&pasting the previous code back in.
There are also automated tools to examine and rewrite text files
(sed
/awk
or recode
).
For PHP specifically there's the phptags
tag tidier.
It rewrites close and open tags into long and short forms, but also easily
fixes leading and trailing whitespace, Unicode and UTF-x BOM issues:
phptags --whitespace *.php
It's sane to use on a whole include or project directory.
?>
If the error source is mentioned as behind the
closing ?>
then this is where some whitespace or raw text got written out.
The PHP end marker does not terminate script executation at this
point. Any text/space characters after it will be written out as page content
still.
It's commonly advised, in particular to newcomers, that trailing ?>
PHP
close tags should be omitted. This eschews a small portion of these cases.
(Quite commonly include()d
scripts are the culprit.)
It's typically a PHP extension or php.ini setting if no error source is concretized.
gzip
stream encoding setting
or the ob_gzhandler
.extension=
module
generating an implicit PHP startup/warning message.If another PHP statement or expression causes a warning message or notice being printeded out, that also counts as premature output.
In this case you need to eschew the error,
delay the statement execution, or suppress the message with e.g.
isset()
or @()
-
when either doesn't obstruct debugging later on.
If you have error_reporting
or display_errors
disabled per php.ini
,
then no warning will show up. But ignoring errors won't make the problem go
away. Headers still can't be sent after premature output.
So when header("Location: ...")
redirects silently fail it's very
advisable to probe for warnings. Reenable them with two simple commands
atop the invocation script:
error_reporting(E_ALL);
ini_set("display_errors", 1);
Or set_error_handler("var_dump");
if all else fails.
Speaking of redirect headers, you should often use an idiom like this for final code paths:
exit(header("Location: /finished.html"));
Preferrably even a utility function, which prints a user message
in case of header()
failures.
PHPs output buffering is a workaround to alleviate this issue. It often works reliably, but shouldn't substitute for proper application structuring and separating output from control logic. Its actual purpose is minimizing chunked transfers to the webserver.
The output_buffering=
setting nevertheless can help.
Configure it in the php.ini
or via .htaccess
or even .user.ini on
modern FPM/FastCGI setups.
Enabling it will allow PHP to buffer output instead of passing it to the webserver
instantly. PHP thus can aggregate HTTP headers.
It can likewise be engaged with a call to ob_start();
atop the invocation script. Which however is less reliable for multiple reasons:
Even if <?php ob_start(); ?>
starts the first script, whitespace or a
BOM might get shuffled before, rendering it ineffective.
It can conceal whitespace for HTML output. But as soon as the application
logic attempts to send binary content (a generated image for example),
the buffered extraneous output becomes a problem. (Necessitating ob_clean()
as furher workaround.)
The buffer is limited in size, and can easily overrun when left to defaults. And that's not a rare occurence either, difficult to track down when it happens.
Both approaches therefore may become unreliable - in particular when switching between development setups and/or production servers. Which is why output buffering is widely considered just a crutch / strictly a workaround.
See also the basic usage example in the manual, and for more pros and cons:
If you didn't get the headers warning before, then the output buffering php.ini setting has changed. It's likely unconfigured on the current/new server.
headers_sent()
You can always use headers_sent()
to probe if
it's still possible to... send headers. Which is useful to conditionally print
an info or apply other fallback logic.
if (headers_sent()) {
die("Redirect failed. Please click on this link: <a href=...>");
}
else{
exit(header("Location: /user.php"));
}
Useful fallback workarounds are:
<meta>
tagIf your application is structurally hard to fix, then an easy (but
somewhat unprofessional) way to allow redirects is injecting a HTML
<meta>
tag. A redirect can be achieved with:
<meta http-equiv="Location" content="http://example.com/">
Or with a short delay:
<meta http-equiv="Refresh" content="2; url=../target.html">
This leads to non-valid HTML when utilized past the <head>
section.
Most browsers still accept it.
As alternative a JavaScript redirect can be used for page redirects:
<script> location.replace("target.html"); </script>
While this is often more HTML compliant than the <meta>
workaround,
it incurs a reliance on JavaScript-capable clients.
Both approaches however make acceptable fallbacks when genuine HTTP header() calls fail. Ideally you'd always combine this with a user-friendly message and clickable link as last resort. (Which for instance is what the http_redirect() PECL extension does.)
setcookie()
and session_start()
are also affectedBoth setcookie()
and session_start()
need to send a Set-Cookie:
HTTP header.
The same conditions therefore apply, and similar error messages will be generated
for premature output situations.
(Of course they're furthermore affected by disabled cookies in the browser, or even proxy issues. The session functionality obviously also depends on free disk space and other php.ini settings, etc.)
If you only want to read the first 999,999 (non-header) rows:
read_csv(..., nrows=999999)
If you only want to read rows 1,000,000 ... 1,999,999
read_csv(..., skiprows=1000000, nrows=999999)
nrows : int, default None Number of rows of file to read. Useful for reading pieces of large files*
skiprows : list-like or integer Row numbers to skip (0-indexed) or number of rows to skip (int) at the start of the file
and for large files, you'll probably also want to use chunksize:
chunksize : int, default None Return TextFileReader object for iteration
Left Click on chart. «PivotTable Field List» will appear on right. On the right down quarter of PivotTable Field List (S Values), you see the names of the legends. Left Click on the legend name. Left Click on the «Value field settings». At the top there is «Source Name». You can’t change it. Below there is «Custom Name». Change the Custom Name as you wish. Now the legend name on the chart has the new name you gave.
I had tha same problem trying to compile a lib I download from the internet. In my case, there was already a #include <cstdint>
in the code. I solved it adding a:
using std::uint32_t;
The print function in python adds itself \n
You could use
import sys
sys.stdout.write(a)
instead