This code will help you find the internet is on or not.
public final boolean isInternetOn() {
ConnectivityManager conMgr = (ConnectivityManager) this.con
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = conMgr.getActiveNetworkInfo();
return (info != null && info.isConnected());
}
Also, you should provide the following permissions
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
Here's the piece of code that saves plot to the selected directory. If the directory does not exist, it is created.
import os
import matplotlib.pyplot as plt
script_dir = os.path.dirname(__file__)
results_dir = os.path.join(script_dir, 'Results/')
sample_file_name = "sample"
if not os.path.isdir(results_dir):
os.makedirs(results_dir)
plt.plot([1,2,3,4])
plt.ylabel('some numbers')
plt.savefig(results_dir + sample_file_name)
Well it depends on how you want to call this code.
Are you calling it from a button click on a form, if so then on the properties for the button on form, go to the Event tab, then On Click item, select [Event Procedure]. This will open the VBA code window for that button. You would then call your Module.Routine and then this would trigger when you click the button.
Similar to this:
Private Sub Command1426_Click()
mdl_ExportMorning.ExportMorning
End Sub
This button click event calls the Module mdl_ExportMorning
and the Public Sub ExportMorning
.
You use:
public
scope to make that property/method available from anywhere, other classes and instances of the object.
private
scope when you want your property/method to be visible in its own class only.
protected
scope when you want to make your property/method visible in all classes that extend current class including the parent class.
If you don't use any visibility modifier, the property / method will be public.
More: (For comprehensive information)
My answer does not use numpy or python collections.
One trivial way to find elements would be as follows:
a = [-2, 1, 5, 3, 8, 5, 6]
b = [1, 2, 5]
c = [i for i in a if i in b]
Drawback: This method may not work for larger lists. Using numpy is recommended for larger lists.
I ended up using BackgroundWorker, it is definitely asynchronous unlike some of the above solutions, it handles returning to the GUI thread for you, and it is very easy to understand.
It is also very easy to handle exceptions, as they end up in the RunWorkerCompleted method, but make sure you read this: Unhandled exceptions in BackgroundWorker
I used WebClient but obviously you could use HttpWebRequest.GetResponse if you wanted.
var worker = new BackgroundWorker();
worker.DoWork += (sender, args) => {
args.Result = new WebClient().DownloadString(settings.test_url);
};
worker.RunWorkerCompleted += (sender, e) => {
if (e.Error != null) {
connectivityLabel.Text = "Error: " + e.Error.Message;
} else {
connectivityLabel.Text = "Connectivity OK";
Log.d("result:" + e.Result);
}
};
connectivityLabel.Text = "Testing Connectivity";
worker.RunWorkerAsync();
Well, I digged deeper, and found sources of PackageInstaller application from Android Source.
https://github.com/android/platform_packages_apps_packageinstaller
From manifest I found that it require permission:
<uses-permission android:name="android.permission.INSTALL_PACKAGES" />
And the actual process of installation occurs after confirmation
Intent newIntent = new Intent();
newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, mPkgInfo.applicationInfo);
newIntent.setData(mPackageURI);
newIntent.setClass(this, InstallAppProgress.class);
String installerPackageName = getIntent().getStringExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME);
if (installerPackageName != null) {
newIntent.putExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME, installerPackageName);
}
startActivity(newIntent);
When it can be the same header for all requests or you dispose the client after each request you can use the DefaultRequestHeaders.Add
option:
client.DefaultRequestHeaders.Add("apikey","xxxxxxxxx");
There is no built-in function in Javascript to perform this search.
If you are using jQuery you could do a jQuery.inArray(element,array)
.
FWIW, @SergeyL's answer is great, but here is a slight variant for testing. Note the change in logical or to logical and.
main.c has a main wrapper like this:
#if !defined(TEST_SPI) && !defined(TEST_SERIAL) && !defined(TEST_USB)
int main(int argc, char *argv[]) {
// the true main() routine.
}
spi.c, serial.c and usb.c have main wrappers for their respective test code like this:
#ifdef TEST_USB
int main(int argc, char *argv[]) {
// the main() routine for testing the usb code.
}
config.h Which is included by all the c files has an entry like this:
// Uncomment below to test the serial
//#define TEST_SERIAL
// Uncomment below to test the spi code
//#define TEST_SPI
// Uncomment below to test the usb code
#define TEST_USB
While using the --prefix
option works, you have to explicitly use it every time you create an environment. If you just want your environments stored somewhere else by default, you can configure it in your .condarc
file.
Please see: https://conda.io/docs/user-guide/configuration/use-condarc.html#specify-environment-directories-envs-dirs
After implementing different versions of solution, I finally made a trade-off to achieve these goals based on CLRS version.
def mergesort(A, p, r):
if(p < r):
q = (p+r)//2
mergesort(A, p, q)
mergesort(A, q+1, r)
merge(A, p, q, r)
def merge(A, p, q, r):
L = A[p:q+1]
R = A[q+1:r+1]
i = 0
j = 0
k = p
while i < len(L) and j < len(R):
if(L[i] < R[j]):
A[k] = L[i]
i += 1
else:
A[k] = R[j]
j += 1
k += 1
if i < len(L):
A[k:r+1] = L[i:]
if __name__ == "__main__":
items = [6, 2, 9, 1, 7, 3, 4, 5, 8]
mergesort(items, 0, len(items)-1)
print items
assert items == [1, 2, 3, 4, 5, 6, 7, 8, 9]
[1] Book: CLRS
[2] https://github.com/gzc/CLRS/blob/master/C02-Getting-Started/exercise_code/merge-sort.py
A simple nowadays example:
$('#some_input_id').attr('oninput',
"this.value=this.value.replace(/[^0-9A-Za-z\s_-]/g,'');")
that means all that doesnt match regex becomes nothing , i.e. ''
subprocess.call
Automatically waits , you can also use:
p1.wait()
In bootstrap 3, this works well for me:
.btn-link.btn-anchor {
outline: none !important;
padding: 0;
border: 0;
vertical-align: baseline;
}
Used like:
<button type="button" class="btn-link btn-anchor">My Button</button>
Just Remove the type="text/javascript"
<script src="JavaScript/jquery.js" />
<script src="JavaScript/bootstrap-min.js" />
Here is the update - http://jsfiddle.net/andieje/kRX6n/
The default figure size (in inches) is controlled by
matplotlib.rcParams['figure.figsize'] = [width, height]
For example:
import matplotlib.pyplot as plt
plt.rcParams['figure.figsize'] = [10, 5]
creates a figure with 10 (width) x 5 (height) inches
I have found an FTP server and its working. I was successfully able to upload a file to this FTP server and then see file created by hitting same url. Visit here and read properly before use. Good luck...!
Edit: link is now dead, but the FTP server is still up! Connect with the username "anonymous" and an email address as a password: ftp://ftp.swfwmd.state.fl.us
BUT FIRST read this before using it
Another solution would be as below where the list is placed under a drop-down button.
<button class="btn dropdown-toggle btn-primary btn-sm" data-toggle="dropdown"
>Markets<span class="caret"></span></button>
<ul class="dropdown-menu", style="height:40%; overflow:hidden; overflow-y:scroll;">
{{ form.markets }}
</ul>
java.util.MissingResourceException: Can't find bundle for base name org.jfree.chart.LocalizationBundle, locale en_US
To the point, the exception message tells in detail that you need to have either of the following files in the classpath:
/org/jfree/chart/LocalizationBundle.properties
or
/org/jfree/chart/LocalizationBundle_en.properties
or
/org/jfree/chart/LocalizationBundle_en_US.properties
Also see the official Java tutorial about resourcebundles for more information.
But as this is actually a 3rd party managed properties file, you shouldn't create one yourself. It should be already available in the JFreeChart JAR file. So ensure that you have it available in the classpath during runtime. Also ensure that you're using the right version, the location of the propertiesfile inside the package tree might have changed per JFreeChart version.
When executing a JAR file, you can use the -cp
argument to specify the classpath. E.g.:
java -jar -cp c:/path/to/jfreechart.jar yourfile.jar
Alternatively you can specify the classpath as class-path
entry in the JAR's manifest file. You can use in there relative paths which are relative to the JAR file itself. Do not use the %CLASSPATH%
environment variable, it's ignored by JAR's and everything else which aren't executed with java.exe
without -cp
, -classpath
and -jar
arguments.
./
refers to the current working directory, except in the require()
function. When using require()
, it translates ./
to the directory of the current file called. __dirname
is always the directory of the current file.
For example, with the following file structure
/home/user/dir/files/config.json
{
"hello": "world"
}
/home/user/dir/files/somefile.txt
text file
/home/user/dir/dir.js
var fs = require('fs');
console.log(require('./files/config.json'));
console.log(fs.readFileSync('./files/somefile.txt', 'utf8'));
If I cd
into /home/user/dir
and run node dir.js
I will get
{ hello: 'world' }
text file
But when I run the same script from /home/user/
I get
{ hello: 'world' }
Error: ENOENT, no such file or directory './files/somefile.txt'
at Object.openSync (fs.js:228:18)
at Object.readFileSync (fs.js:119:15)
at Object.<anonymous> (/home/user/dir/dir.js:4:16)
at Module._compile (module.js:432:26)
at Object..js (module.js:450:10)
at Module.load (module.js:351:31)
at Function._load (module.js:310:12)
at Array.0 (module.js:470:10)
at EventEmitter._tickCallback (node.js:192:40)
Using ./
worked with require
but not for fs.readFileSync
. That's because for fs.readFileSync
, ./
translates into the cwd (in this case /home/user/
). And /home/user/files/somefile.txt
does not exist.
use encodeURIComponent function to fix url, it works on Browser and node.js
res.redirect("/signin?email="+encodeURIComponent("[email protected]"));
> encodeURIComponent("http://a.com/a+b/c")
'http%3A%2F%2Fa.com%2Fa%2Bb%2Fc'
// pages/about.js
import Link from 'next/link'
export default ({ url: { query: { name } } }) => (
<p>Welcome to About! { name }</p>
)
_x000D_
df.T.iloc[-1]
df.T.tail(1)
pd.Series(df.values[:, -1], name=df.columns[-1])
Timer.Elapsed
expects method of specific signature (with arguments object
and EventArgs
). If you want to use your PlayMusicEvent
method with additional argument evaluated during event registration, you can use lambda expression as an adapter:
myTimer.Elapsed += new ElapsedEventHandler((sender, e) => PlayMusicEvent(sender, e, musicNote));
Edit: you can also use shorter version:
myTimer.Elapsed += (sender, e) => PlayMusicEvent(sender, e, musicNote);
In 2020, just do
$.datetimepicker.setLocale('en');
Of course, replace 'en' with the correct language ('sv', 'fr', ...)
I had Xamarin installed and tried to use Unity. Basically in any case you have to kill any application that might be talking to your device through ADB
Mostly 301 vs 302 is important for indexing in search engines, as their crawlers take this into account and transfer PageRank when using 301.
See Peter Lee's answer for more details.
The way to do this in .NET Core is (at the time of writing) as follows:
public async Task<IActionResult> YourAction(YourModel model)
{
if (ModelState.IsValid)
{
return StatusCode(200);
}
return StatusCode(400);
}
The StatusCode method returns a type of StatusCodeResult which implements IActionResult and can thus be used as a return type of your action.
As a refactor, you could improve readability by using a cast of the HTTP status codes enum like:
return StatusCode((int)HttpStatusCode.OK);
Furthermore, you could also use some of the built in result types. For example:
return Ok(); // returns a 200
return BadRequest(ModelState); // returns a 400 with the ModelState as JSON
Ref. StatusCodeResult - https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.statuscoderesult?view=aspnetcore-2.1
There is also this syntax, e.g. if you want to delete the 2nd element :
array=("${array[@]:0:1}" "${array[@]:2}")
which is in fact the concatenation of 2 tabs. The first from the index 0 to the index 1 (exclusive) and the 2nd from the index 2 to the end.
This one worked for me:
Searching for all *php file in the current directory , and replace the first character of each filename to capital letter:
e.g: test.php => Test.php
for f in *php ; do mv "$f" "$(\sed 's/.*/\u&/' <<< "$f")" ; done
Make a new Image
var img = new Image();
Set the src
img.src = your_src
Get the width
and the height
//img.width
//img.height
Method 1:
If the method DoSomethingBeta was static you need only call:
Beta.DoSomethingBeta();
Method 2:
If Alpha extends from Beta you could call DoSomethingBeta() directly.
public class Alpha extends Beta{
public void DoSomethingAlpha() {
DoSomethingBeta(); //?
}
}
Method 3:
Alternatively you need to have access to an instance of Beta to call the methods from it.
public class Alpha {
public void DoSomethingAlpha() {
Beta cbeta = new Beta();
cbeta.DoSomethingBeta(); //?
}
}
Incidentally is this homework?
You can use date filter to convert in date and display in specific format.
In .ts file (typescript):
let dateString = '1968-11-16T00:00:00'
let newDate = new Date(dateString);
In HTML:
{{dateString | date:'MM/dd/yyyy'}}
Below are some formats which you can implement :
Backend:
public todayDate = new Date();
HTML :
<select>
<option value=""></option>
<option value="MM/dd/yyyy">[{{todayDate | date:'MM/dd/yyyy'}}]</option>
<option value="EEEE, MMMM d, yyyy">[{{todayDate | date:'EEEE, MMMM d, yyyy'}}]</option>
<option value="EEEE, MMMM d, yyyy h:mm a">[{{todayDate | date:'EEEE, MMMM d, yyyy h:mm a'}}]</option>
<option value="EEEE, MMMM d, yyyy h:mm:ss a">[{{todayDate | date:'EEEE, MMMM d, yyyy h:mm:ss a'}}]</option>
<option value="MM/dd/yyyy h:mm a">[{{todayDate | date:'MM/dd/yyyy h:mm a'}}]</option>
<option value="MM/dd/yyyy h:mm:ss a">[{{todayDate | date:'MM/dd/yyyy h:mm:ss a'}}]</option>
<option value="MMMM d">[{{todayDate | date:'MMMM d'}}]</option>
<option value="yyyy-MM-ddTHH:mm:ss">[{{todayDate | date:'yyyy-MM-ddTHH:mm:ss'}}]</option>
<option value="h:mm a">[{{todayDate | date:'h:mm a'}}]</option>
<option value="h:mm:ss a">[{{todayDate | date:'h:mm:ss a'}}]</option>
<option value="EEEE, MMMM d, yyyy hh:mm:ss a">[{{todayDate | date:'EEEE, MMMM d, yyyy hh:mm:ss a'}}]</option>
<option value="MMMM yyyy">[{{todayDate | date:'MMMM yyyy'}}]</option>
</select>
I needed this same solution, but if you use the native ListObject.Add()
method then you avoid the risk of clashing with any data immediately below the table. The below routine checks the last row of the table, and adds the data in there if it's blank; otherwise it adds a new row to the end of the table:
Sub AddDataRow(tableName As String, values() As Variant)
Dim sheet As Worksheet
Dim table As ListObject
Dim col As Integer
Dim lastRow As Range
Set sheet = ActiveWorkbook.Worksheets("Sheet1")
Set table = sheet.ListObjects.Item(tableName)
'First check if the last row is empty; if not, add a row
If table.ListRows.Count > 0 Then
Set lastRow = table.ListRows(table.ListRows.Count).Range
For col = 1 To lastRow.Columns.Count
If Trim(CStr(lastRow.Cells(1, col).Value)) <> "" Then
table.ListRows.Add
Exit For
End If
Next col
Else
table.ListRows.Add
End If
'Iterate through the last row and populate it with the entries from values()
Set lastRow = table.ListRows(table.ListRows.Count).Range
For col = 1 To lastRow.Columns.Count
If col <= UBound(values) + 1 Then lastRow.Cells(1, col) = values(col - 1)
Next col
End Sub
To call the function, pass the name of the table and an array of values, one value per column. You can get / set the name of the table from the Design
tab of the ribbon, in Excel 2013 at least:
Example code for a table with three columns:
Dim x(2)
x(0) = 1
x(1) = "apple"
x(2) = 2
AddDataRow "Table1", x
Thanks everyone! I modified Winand's code slightly to export it to the user's desktop, no matter who is using the worksheet. I gave credit in the code to where I got the idea (thanks Kyle).
Sub ExportImage()
Dim sFilePath As String
Dim sView As String
'Captures current window view
sView = ActiveWindow.View
'Sets the current view to normal so there are no "Page X" overlays on the image
ActiveWindow.View = xlNormalView
'Temporarily disable screen updating
Application.ScreenUpdating = False
Set Sheet = ActiveSheet
'Set the file path to export the image to the user's desktop
'I have to give credit to Kyle for this solution, found it here:
'http://stackoverflow.com/questions/17551238/vba-how-to-save-excel-workbook-to-desktop-regardless-of-user
sFilePath = CreateObject("WScript.Shell").specialfolders("Desktop") & "\" & ActiveSheet.Name & ".png"
'Export print area as correctly scaled PNG image, courtasy of Winand
zoom_coef = 100 / Sheet.Parent.Windows(1).Zoom
Set area = Sheet.Range(Sheet.PageSetup.PrintArea)
area.CopyPicture xlPrinter
Set chartobj = Sheet.ChartObjects.Add(0, 0, area.Width * zoom_coef, area.Height * zoom_coef)
chartobj.Chart.Paste
chartobj.Chart.Export sFilePath, "png"
chartobj.Delete
'Returns to the previous view
ActiveWindow.View = sView
'Re-enables screen updating
Application.ScreenUpdating = True
'Tells the user where the image was saved
MsgBox ("Export completed! The file can be found here:" & Chr(10) & Chr(10) & sFilePath)
End Sub
$(this).parent()
Tree traversal is fun
$(this).parent().siblings(".something1");
$(this).parent().prev(); // if you always want the parent's previous sibling
$(this).parents(".box").children(".something1");
And much more ways, you might find these docs helpful.
Also the same error may occur when you put a new class into the source code of a designer created form's class.
This new class may be removed, and placed in a different cs file.
(At least in my case this was the problem...)
At first glance, your code will not compile. Since the nested if statement doesn't have any braces, it will consider the next line the code that it should execute. Also, you are comparing a char against a String, " ". Try comparing the values as chars instead. I think the correct syntax would be:
if(c == ' '){
//do something here
}
But then again, I am not familiar with the "Equal"
class
if you have any problem with the library you can use Microsoft.Data.Sqlite;
public static DataTable GetData(string connectionString, string query)
{
DataTable dt = new DataTable();
Microsoft.Data.Sqlite.SqliteConnection connection;
Microsoft.Data.Sqlite.SqliteCommand command;
connection = new Microsoft.Data.Sqlite.SqliteConnection("Data Source= YOU_PATH_BD.sqlite");
try
{
connection.Open();
command = new Microsoft.Data.Sqlite.SqliteCommand(query, connection);
dt.Load(command.ExecuteReader());
connection.Close();
}
catch
{
}
return dt;
}
you can add NuGet Package Microsoft.Data.Sqlite
Culprit: False Data Dependency (and the compiler isn't even aware of it)
On Sandy/Ivy Bridge and Haswell processors, the instruction:
popcnt src, dest
appears to have a false dependency on the destination register dest
. Even though the instruction only writes to it, the instruction will wait until dest
is ready before executing. This false dependency is (now) documented by Intel as erratum HSD146 (Haswell) and SKL029 (Skylake)
Skylake fixed this for lzcnt
and tzcnt
.
Cannon Lake (and Ice Lake) fixed this for popcnt
.
bsf
/bsr
have a true output dependency: output unmodified for input=0. (But no way to take advantage of that with intrinsics - only AMD documents it and compilers don't expose it.)
(Yes, these instructions all run on the same execution unit).
This dependency doesn't just hold up the 4 popcnt
s from a single loop iteration. It can carry across loop iterations making it impossible for the processor to parallelize different loop iterations.
The unsigned
vs. uint64_t
and other tweaks don't directly affect the problem. But they influence the register allocator which assigns the registers to the variables.
In your case, the speeds are a direct result of what is stuck to the (false) dependency chain depending on what the register allocator decided to do.
popcnt
-add
-popcnt
-popcnt
→ next iterationpopcnt
-add
-popcnt
-add
→ next iterationpopcnt
-popcnt
→ next iterationpopcnt
-popcnt
→ next iterationThe difference between 20 GB/s and 26 GB/s seems to be a minor artifact of the indirect addressing. Either way, the processor starts to hit other bottlenecks once you reach this speed.
To test this, I used inline assembly to bypass the compiler and get exactly the assembly I want. I also split up the count
variable to break all other dependencies that might mess with the benchmarks.
Here are the results:
Sandy Bridge Xeon @ 3.5 GHz: (full test code can be found at the bottom)
g++ popcnt.cpp -std=c++0x -O3 -save-temps -march=native
Different Registers: 18.6195 GB/s
.L4:
movq (%rbx,%rax,8), %r8
movq 8(%rbx,%rax,8), %r9
movq 16(%rbx,%rax,8), %r10
movq 24(%rbx,%rax,8), %r11
addq $4, %rax
popcnt %r8, %r8
add %r8, %rdx
popcnt %r9, %r9
add %r9, %rcx
popcnt %r10, %r10
add %r10, %rdi
popcnt %r11, %r11
add %r11, %rsi
cmpq $131072, %rax
jne .L4
Same Register: 8.49272 GB/s
.L9:
movq (%rbx,%rdx,8), %r9
movq 8(%rbx,%rdx,8), %r10
movq 16(%rbx,%rdx,8), %r11
movq 24(%rbx,%rdx,8), %rbp
addq $4, %rdx
# This time reuse "rax" for all the popcnts.
popcnt %r9, %rax
add %rax, %rcx
popcnt %r10, %rax
add %rax, %rsi
popcnt %r11, %rax
add %rax, %r8
popcnt %rbp, %rax
add %rax, %rdi
cmpq $131072, %rdx
jne .L9
Same Register with broken chain: 17.8869 GB/s
.L14:
movq (%rbx,%rdx,8), %r9
movq 8(%rbx,%rdx,8), %r10
movq 16(%rbx,%rdx,8), %r11
movq 24(%rbx,%rdx,8), %rbp
addq $4, %rdx
# Reuse "rax" for all the popcnts.
xor %rax, %rax # Break the cross-iteration dependency by zeroing "rax".
popcnt %r9, %rax
add %rax, %rcx
popcnt %r10, %rax
add %rax, %rsi
popcnt %r11, %rax
add %rax, %r8
popcnt %rbp, %rax
add %rax, %rdi
cmpq $131072, %rdx
jne .L14
So what went wrong with the compiler?
It seems that neither GCC nor Visual Studio are aware that popcnt
has such a false dependency. Nevertheless, these false dependencies aren't uncommon. It's just a matter of whether the compiler is aware of it.
popcnt
isn't exactly the most used instruction. So it's not really a surprise that a major compiler could miss something like this. There also appears to be no documentation anywhere that mentions this problem. If Intel doesn't disclose it, then nobody outside will know until someone runs into it by chance.
(Update: As of version 4.9.2, GCC is aware of this false-dependency and generates code to compensate it when optimizations are enabled. Major compilers from other vendors, including Clang, MSVC, and even Intel's own ICC are not yet aware of this microarchitectural erratum and will not emit code that compensates for it.)
Why does the CPU have such a false dependency?
We can speculate: it runs on the same execution unit as bsf
/ bsr
which do have an output dependency. (How is POPCNT implemented in hardware?). For those instructions, Intel documents the integer result for input=0 as "undefined" (with ZF=1), but Intel hardware actually gives a stronger guarantee to avoid breaking old software: output unmodified. AMD documents this behaviour.
Presumably it was somehow inconvenient to make some uops for this execution unit dependent on the output but others not.
AMD processors do not appear to have this false dependency.
The full test code is below for reference:
#include <iostream>
#include <chrono>
#include <x86intrin.h>
int main(int argc, char* argv[]) {
using namespace std;
uint64_t size=1<<20;
uint64_t* buffer = new uint64_t[size/8];
char* charbuffer=reinterpret_cast<char*>(buffer);
for (unsigned i=0;i<size;++i) charbuffer[i]=rand()%256;
uint64_t count,duration;
chrono::time_point<chrono::system_clock> startP,endP;
{
uint64_t c0 = 0;
uint64_t c1 = 0;
uint64_t c2 = 0;
uint64_t c3 = 0;
startP = chrono::system_clock::now();
for( unsigned k = 0; k < 10000; k++){
for (uint64_t i=0;i<size/8;i+=4) {
uint64_t r0 = buffer[i + 0];
uint64_t r1 = buffer[i + 1];
uint64_t r2 = buffer[i + 2];
uint64_t r3 = buffer[i + 3];
__asm__(
"popcnt %4, %4 \n\t"
"add %4, %0 \n\t"
"popcnt %5, %5 \n\t"
"add %5, %1 \n\t"
"popcnt %6, %6 \n\t"
"add %6, %2 \n\t"
"popcnt %7, %7 \n\t"
"add %7, %3 \n\t"
: "+r" (c0), "+r" (c1), "+r" (c2), "+r" (c3)
: "r" (r0), "r" (r1), "r" (r2), "r" (r3)
);
}
}
count = c0 + c1 + c2 + c3;
endP = chrono::system_clock::now();
duration=chrono::duration_cast<std::chrono::nanoseconds>(endP-startP).count();
cout << "No Chain\t" << count << '\t' << (duration/1.0E9) << " sec \t"
<< (10000.0*size)/(duration) << " GB/s" << endl;
}
{
uint64_t c0 = 0;
uint64_t c1 = 0;
uint64_t c2 = 0;
uint64_t c3 = 0;
startP = chrono::system_clock::now();
for( unsigned k = 0; k < 10000; k++){
for (uint64_t i=0;i<size/8;i+=4) {
uint64_t r0 = buffer[i + 0];
uint64_t r1 = buffer[i + 1];
uint64_t r2 = buffer[i + 2];
uint64_t r3 = buffer[i + 3];
__asm__(
"popcnt %4, %%rax \n\t"
"add %%rax, %0 \n\t"
"popcnt %5, %%rax \n\t"
"add %%rax, %1 \n\t"
"popcnt %6, %%rax \n\t"
"add %%rax, %2 \n\t"
"popcnt %7, %%rax \n\t"
"add %%rax, %3 \n\t"
: "+r" (c0), "+r" (c1), "+r" (c2), "+r" (c3)
: "r" (r0), "r" (r1), "r" (r2), "r" (r3)
: "rax"
);
}
}
count = c0 + c1 + c2 + c3;
endP = chrono::system_clock::now();
duration=chrono::duration_cast<std::chrono::nanoseconds>(endP-startP).count();
cout << "Chain 4 \t" << count << '\t' << (duration/1.0E9) << " sec \t"
<< (10000.0*size)/(duration) << " GB/s" << endl;
}
{
uint64_t c0 = 0;
uint64_t c1 = 0;
uint64_t c2 = 0;
uint64_t c3 = 0;
startP = chrono::system_clock::now();
for( unsigned k = 0; k < 10000; k++){
for (uint64_t i=0;i<size/8;i+=4) {
uint64_t r0 = buffer[i + 0];
uint64_t r1 = buffer[i + 1];
uint64_t r2 = buffer[i + 2];
uint64_t r3 = buffer[i + 3];
__asm__(
"xor %%rax, %%rax \n\t" // <--- Break the chain.
"popcnt %4, %%rax \n\t"
"add %%rax, %0 \n\t"
"popcnt %5, %%rax \n\t"
"add %%rax, %1 \n\t"
"popcnt %6, %%rax \n\t"
"add %%rax, %2 \n\t"
"popcnt %7, %%rax \n\t"
"add %%rax, %3 \n\t"
: "+r" (c0), "+r" (c1), "+r" (c2), "+r" (c3)
: "r" (r0), "r" (r1), "r" (r2), "r" (r3)
: "rax"
);
}
}
count = c0 + c1 + c2 + c3;
endP = chrono::system_clock::now();
duration=chrono::duration_cast<std::chrono::nanoseconds>(endP-startP).count();
cout << "Broken Chain\t" << count << '\t' << (duration/1.0E9) << " sec \t"
<< (10000.0*size)/(duration) << " GB/s" << endl;
}
free(charbuffer);
}
An equally interesting benchmark can be found here: http://pastebin.com/kbzgL8si
This benchmark varies the number of popcnt
s that are in the (false) dependency chain.
False Chain 0: 41959360000 0.57748 sec 18.1578 GB/s
False Chain 1: 41959360000 0.585398 sec 17.9122 GB/s
False Chain 2: 41959360000 0.645483 sec 16.2448 GB/s
False Chain 3: 41959360000 0.929718 sec 11.2784 GB/s
False Chain 4: 41959360000 1.23572 sec 8.48557 GB/s
Well try ini_set('memory_limit', '256M');
134217728 bytes = 128 MB
Or rewrite the code to consume less memory.
For version 3 there doesn't appear to be "bootstrap" way to achieve this neatly.
A panel
, a well
and a form-group
all provide some vertical spacing.
A more formal specific vertical spacing solution is, apparently, on the roadmap for bootstrap v4
https://github.com/twbs/bootstrap/issues/4286#issuecomment-36331550 https://github.com/twbs/bootstrap/issues/13532
I am able to disable copy-and-paste functionality with the following:
textField.setCustomSelectionActionModeCallback(new ActionMode.Callback() {
public boolean onCreateActionMode(ActionMode actionMode, Menu menu) {
return false;
}
public boolean onPrepareActionMode(ActionMode actionMode, Menu menu) {
return false;
}
public boolean onActionItemClicked(ActionMode actionMode, MenuItem item) {
return false;
}
public void onDestroyActionMode(ActionMode actionMode) {
}
});
textField.setLongClickable(false);
textField.setTextIsSelectable(false);
Hope it works for you ;-)
Try doing
document.body.innerHTML += '<div style="position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000;"></div>'
You can control the <br>
height if you put it inside a height limited div. Try:
<div style="height:2px;"><br></div>
Update: A proposal with nicer syntax is on its way. Contributions are welcome.
Yes, there is - for scoped access in objects - ES6 introduces Symbol
s.
Symbols are unique, you can't gain access to one from the outside except with reflection (like privates in Java/C#) but anyone who has access to a symbol on the inside can use it for key access:
var property = Symbol();
class Something {
constructor(){
this[property] = "test";
}
}
var instance = new Something();
console.log(instance.property); //=> undefined, can only access with access to the Symbol
If you want a specific order, then you must use an array, not an object. Objects do not have a defined order.
For example, using an array, you could do this:
var myobj = [{"A":["B"]}, {"B": ["C"]}];
var firstItem = myobj[0];
Then, you can use myobj[0] to get the first object in the array.
Or, depending upon what you're trying to do:
var myobj = [{key: "A", val:["B"]}, {key: "B", val:["C"]}];
var firstKey = myobj[0].key; // "A"
var firstValue = myobj[0].val; // "["B"]
Here you can see the nature of Scanner:
double nextDouble()
Returns the next token as a double. If the next token is not a float or is out of range, InputMismatchException is thrown.
Try to catch the exception
try {
// ...
} catch (InputMismatchException e) {
System.out.print(e.getMessage()); //try to find out specific reason.
}
UPDATE
CASE 1
I tried your code and there is nothing wrong with it. Your are getting that error because you must have entered String
value. When I entered a numeric value, it runs without any errors. But once I entered String
it throw
the same Exception
which you have mentioned in your question.
CASE 2
You have entered something, which is out of range as I have mentioned above.
I'm really wondering what you could have tried to enter. In my system, it is running perfectly without changing a single line of code. Just copy as it is and try to compile and run it.
import java.util.*;
public class Test {
public static void main(String... args) {
new Test().askForMarks(5);
}
public void askForMarks(int student) {
double marks[] = new double[student];
int index = 0;
Scanner reader = new Scanner(System.in);
while (index < student) {
System.out.print("Please enter a mark (0..30): ");
marks[index] = (double) checkValueWithin(0, 30);
index++;
}
}
public double checkValueWithin(int min, int max) {
double num;
Scanner reader = new Scanner(System.in);
num = reader.nextDouble();
while (num < min || num > max) {
System.out.print("Invalid. Re-enter number: ");
num = reader.nextDouble();
}
return num;
}
}
As you said, you have tried to enter 1.0
, 2.8
and etc. Please try with this code.
Note : Please enter number one by one, on separate lines. I mean, enter 2.7
, press enter and then enter second number (e.g. 6.7
).
Depending on how secure you need the configuration files or how reliable your application is, http://activemq.apache.org/encrypted-passwords.html may be a good solution for you.
If you are not too afraid of the password being decrypted and it can be really simple to configure using a bean to store the password key. However, if you need more security you can set an environment variable with the secret and remove it after launch. With this you have to worry about the application / server going down and not application not automatically relaunching.
always year for bootstrap 3 datetimepicker https://eonasdan.github.io/bootstrap-datetimepicker/
$('#year').datetimepicker({
format: 'YYYY',
viewMode: "years",
});
$("#year").on("dp.hide", function (e) {
$('#year').datetimepicker('destroy');
$('#year').datetimepicker({
format: 'YYYY',
viewMode: "years",
});
});
Internet Explorer provides a resizeEnd event. Other browsers will trigger the resize event many times while you're resizing.
There are other great answers here that show how to use setTimeout and the .throttle, .debounce methods from lodash and underscore, so I will mention Ben Alman's throttle-debounce jQuery plugin which accomplishes what you're after.
Suppose you have this function that you want to trigger after a resize:
function onResize() {
console.log("Resize just happened!");
};
Throttle Example
In the following example, onResize()
will only be called once every 250 milliseconds during a window resize.
$(window).resize( $.throttle( 250, onResize) );
Debounce Example
In the following example, onResize()
will only be called once at the end of a window resizing action. This achieves the same result that @Mark presents in his answer.
$(window).resize( $.debounce( 250, onResize) );
You could make use of Prepared Stements
like this.
set @query = concat( "select name from " );
set @query = concat( "table_name"," [where condition] " );
prepare stmt from @like_q;
execute stmt;
If you want to use Imagick out of the box (included with most PHP distributions), it's as easy as...
$image = new Imagick();
$image_filehandle = fopen('some/file.jpg', 'a+');
$image->readImageFile($image_filehandle);
$image->scaleImage(100,200,FALSE);
$image_icon_filehandle = fopen('some/file-icon.jpg', 'a+');
$image->writeImageFile($image_icon_filehandle);
You will probably want to calculate width and height more dynamically based on the original image. You can get an image's current width and height, using the above example, with $image->getImageHeight();
and $image->getImageWidth();
this worked for me:
Private Function arrIsEmpty(arr as variant)
On Error Resume Next
arrIsEmpty = False
arrIsEmpty = IsNumeric(UBound(arr))
End Function
They are:
try
{
// your code
}
catch (Exception w)
{
MessageDialog msgDialog = new MessageDialog(w.ToString());
}
In JQuery:
$("#id option:selected").prop("selected", false);
$("#id").multiselect('refresh');
With Mongoose (and Node), this worked:
User.find({ email: /^[email protected]$/i })
User.find({ email: new RegExp(
`^${emailVariable}$`, 'i') })
In MongoDB, this worked:
db.users.find({ email: { $regex: /^[email protected]$/i }})
Both lines are case-insensitive. The email in the DB could be [email protected]
and both lines will still find the object in the DB.
Likewise, we could use /^[email protected]$/i
and it would still find email: [email protected]
in the DB.
One of the common mistakes people do when change the image source is not waiting for image load to do afterward actions like maturing image size etc.
You will need to use jQuery .load()
method to do stuff after image load.
$('yourimageselector').attr('src', 'newsrc').load(function(){
this.width; // Note: $(this).width() will not work for in memory images
});
Reason for editing: https://stackoverflow.com/a/670433/561545
Adding to a_horse_with_no_name's answer you might find the following of interest...
it does not make any difference whether you declare a column as VARCHAR(100) or VACHAR(500).
-- try to create a table with max varchar length
drop table if exists foo;
create table foo(name varchar(65535) not null)engine=innodb;
MySQL Database Error: Row size too large.
-- try to create a table with max varchar length - 2 bytes for the length
drop table if exists foo;
create table foo(name varchar(65533) not null)engine=innodb;
Executed Successfully
-- try to create a table with max varchar length with nullable field
drop table if exists foo;
create table foo(name varchar(65533))engine=innodb;
MySQL Database Error: Row size too large.
-- try to create a table with max varchar length with nullable field
drop table if exists foo;
create table foo(name varchar(65532))engine=innodb;
Executed Successfully
Dont forget the length byte(s) and the nullable byte so:
name varchar(100) not null
will be 1 byte (length) + up to 100 chars (latin1)
name varchar(500) not null
will be 2 bytes (length) + up to 500 chars (latin1)
name varchar(65533) not null
will be 2 bytes (length) + up to 65533 chars (latin1)
name varchar(65532)
will be 2 bytes (length) + up to 65532 chars (latin1) + 1 null byte
Hope this helps :)
While a few of these answers will get you in the ballpark, you cannot do what you're trying to do with arbitrary dates for SqlServer 2005 and earlier because of daylight savings time. Using the difference between the current local and current UTC will give me the offset as it exists today. I have not found a way to determine what the offset would have been for the date in question.
That said, I know that SqlServer 2008 provides some new date functions that may address that issue, but folks using an earlier version need to be aware of the limitations.
Our approach is to persist UTC and perform the conversion on the client side where we have more control over the conversion's accuracy.
& and + are both concatenation operators but when you specify an integer while using +, vb.net tries to cast "Hello" into integer to do an addition. If you change "Hello" with "123", you will get the result 124.
Actually, everything is typically stored as Unicode of some kind internally, but lets not go into that. I'm assuming you're getting the iconic "åäö" type strings because you're using an ISO-8859 as your character encoding. There's a trick you can do to convert those characters. The escape
and unescape
functions used for encoding and decoding query strings are defined for ISO characters, whereas the newer encodeURIComponent
and decodeURIComponent
which do the same thing, are defined for UTF8 characters.
escape
encodes extended ISO-8859-1 characters (UTF code points U+0080-U+00ff) as %xx
(two-digit hex) whereas it encodes UTF codepoints U+0100 and above as %uxxxx
(%u
followed by four-digit hex.) For example, escape("å") == "%E5"
and escape("?") == "%u3042"
.
encodeURIComponent
percent-encodes extended characters as a UTF8 byte sequence. For example, encodeURIComponent("å") == "%C3%A5"
and encodeURIComponent("?") == "%E3%81%82"
.
So you can do:
fixedstring = decodeURIComponent(escape(utfstring));
For example, an incorrectly encoded character "å" becomes "Ã¥". The command does escape("Ã¥") == "%C3%A5"
which is the two incorrect ISO characters encoded as single bytes. Then decodeURIComponent("%C3%A5") == "å"
, where the two percent-encoded bytes are being interpreted as a UTF8 sequence.
If you'd need to do the reverse for some reason, that works too:
utfstring = unescape(encodeURIComponent(originalstring));
Is there a way to differentiate between bad UTF8 strings and ISO strings? Turns out there is. The decodeURIComponent function used above will throw an error if given a malformed encoded sequence. We can use this to detect with a great probability whether our string is UTF8 or ISO.
var fixedstring;
try{
// If the string is UTF-8, this will work and not throw an error.
fixedstring=decodeURIComponent(escape(badstring));
}catch(e){
// If it isn't, an error will be thrown, and we can assume that we have an ISO string.
fixedstring=badstring;
}
To avoid any ambiguity, use the utilities methods from SwingUtilities :
SwingUtilities.isLeftMouseButton(MouseEvent anEvent)
SwingUtilities.isRightMouseButton(MouseEvent anEvent)
SwingUtilities.isMiddleMouseButton(MouseEvent anEvent)
I had exactly the same problem, to solve it, you can do one of two things:
Or
If the above are all correct, but the problem is still present, you need to check the system Registry, in HKEY_CURRENT_USER\Environment, to make sure the "PATH" key type is REG_EXPAND_SZ (not REG_SZ).
I would say static block
is just syntactic sugar. There is nothing you could do with static
block and not with anything else.
To re-use some examples posted here.
This piece of code could be re-written without using static
initialiser.
Method #1: With static
private static final HashMap<String, String> MAP;
static {
MAP.put("banana", "honey");
MAP.put("peanut butter", "jelly");
MAP.put("rice", "beans");
}
Method #2: Without static
private static final HashMap<String, String> MAP = getMap();
private static HashMap<String, String> getMap()
{
HashMap<String, String> ret = new HashMap<>();
ret.put("banana", "honey");
ret.put("peanut butter", "jelly");
ret.put("rice", "beans");
return ret;
}
When using the Windows Subsystem for Linux (e.g. Ubuntu/Debian on WSL) the xclip
solution won't work. Instead you need to use clip.exe
and powershell.exe
to copy into and paste from the Windows clipboard.
This solution works on "real" Linux-based systems (i.e. Ubuntu, Debian) as well as on WSL systems. Just put the following code into your .bashrc
:
if grep -q -i microsoft /proc/version; then
# on WSL
alias copy="clip.exe"
alias paste="powershell.exe Get-Clipboard"
else
# on "normal" linux
alias copy="xclip -sel clip"
alias paste="xclip -sel clip -o"
fi
How it works
The file /proc/version
contains information about the currently running OS. When the system is running in WSL mode, then this file additionally contains the string Microsoft
which is checked by grep
.
To copy:
cat file | copy
And to paste:
paste > new_file
Off the top of my head:
display: block
or display: table
Off the top of other people's heads:
width
that is not auto
2Note that all of these conditions must be true of the element being centered for it to work.
1 There is one exception to this: if your fixed or absolutely positioned element has left: 0; right: 0
, it will center with auto margins.
2 Technically, margin: 0 auto
does work with an auto width, but the auto width takes precedence over the auto margins, and the auto margins are zeroed out as a result, making it seem as though they "don't work".
man ssh
gives me this options would could be useful.
-i identity_file Selects a file from which the identity (private key) for RSA or DSA authentication is read. The default is ~/.ssh/identity for protocol version 1, and ~/.ssh/id_rsa and ~/.ssh/id_dsa for pro- tocol version 2. Identity files may also be specified on a per- host basis in the configuration file. It is possible to have multiple -i options (and multiple identities specified in config- uration files).
So you could create an alias in your bash config with something like
alias ssh="ssh -i /path/to/private_key"
I haven't looked into a ssh configuration file, but like the -i
option this too could be aliased
-F configfile Specifies an alternative per-user configuration file. If a configuration file is given on the command line, the system-wide configuration file (/etc/ssh/ssh_config) will be ignored. The default for the per-user configuration file is ~/.ssh/config.
To reverse a string without using reversed
or [::-1]
, try something like:
def reverse(text):
# Container for reversed string
txet=""
# store the length of the string to be reversed
# account for indexes starting at 0
length = len(text)-1
# loop through the string in reverse and append each character
# deprecate the length index
while length>=0:
txet += "%s"%text[length]
length-=1
return txet
Why not to combine random.uniform with a list comprehension?
>>> def random_floats(low, high, size):
... return [random.uniform(low, high) for _ in xrange(size)]
...
>>> random_floats(0.5, 2.8, 5)
[2.366910411506704, 1.878800401620107, 1.0145196974227986, 2.332600336488709, 1.945869474662082]
Consider this line of code:
Math.abs(firstDouble - secondDouble) < Double.MIN_NORMAL
It returns whether firstDouble is equal to secondDouble. I'm unsure as to whether or not this would work in your exact case (as Kevin pointed out, performing any math on floating points can lead to imprecise results) however I was having difficulties with comparing two double which were, indeed, equal, and yet using the 'compareTo' method didn't return 0.
I'm just leaving this there in case anyone needs to compare to check if they are indeed equal, and not just similar.
For kotlin
fun unixToDate(timeStamp: Long) : String? {
val time = java.util.Date(timeStamp as Long * 1000)
val sdf = SimpleDateFormat("yyyy-MM-dd")
return sdf.format(time)
}
row.HeaderCell.Value = row.Index + 1;
when applied on datagridview with a very large number of rows creates a memory leak and eventually will result in an out of memory issue. Any ideas how to reclaim the memory?
Here is sample code to apply to an empty grid with some columns. it simply adds rows and numbers the index. Repeat button click a few times.
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
dataGridView1.SuspendLayout();
for (int i = 1; i < 10000; i++)
{
dataGridView1.Rows.Add(i);
}
dataGridView1.ResumeLayout();
}
private void button1_Click(object sender, EventArgs e)
{
foreach (DataGridViewRow row in dataGridView1.Rows)
row.HeaderCell.Value = (row.Index + 1).ToString();
}
}
There's also a statistical profiler called statprof
. It's a sampling profiler, so it adds minimal overhead to your code and gives line-based (not just function-based) timings. It's more suited to soft real-time applications like games, but may be have less precision than cProfile.
The version in pypi is a bit old, so can install it with pip
by specifying the git repository:
pip install git+git://github.com/bos/statprof.py@1a33eba91899afe17a8b752c6dfdec6f05dd0c01
You can run it like this:
import statprof
with statprof.profile():
my_questionable_function()
In case if this helps someone, this is a simple class I wrote for my need. You can change it easily to fit your needs.
using System.Collections.Generic;
using System.Linq;
namespace Utilities
{
public class TablePrinter
{
private readonly string[] titles;
private readonly List<int> lengths;
private readonly List<string[]> rows = new List<string[]>();
public TablePrinter(params string[] titles)
{
this.titles = titles;
lengths = titles.Select(t => t.Length).ToList();
}
public void AddRow(params object[] row)
{
if (row.Length != titles.Length)
{
throw new System.Exception($"Added row length [{row.Length}] is not equal to title row length [{titles.Length}]");
}
rows.Add(row.Select(o => o.ToString()).ToArray());
for (int i = 0; i < titles.Length; i++)
{
if (rows.Last()[i].Length > lengths[i])
{
lengths[i] = rows.Last()[i].Length;
}
}
}
public void Print()
{
lengths.ForEach(l => System.Console.Write("+-" + new string('-', l) + '-'));
System.Console.WriteLine("+");
string line = "";
for (int i = 0; i < titles.Length; i++)
{
line += "| " + titles[i].PadRight(lengths[i]) + ' ';
}
System.Console.WriteLine(line + "|");
lengths.ForEach(l => System.Console.Write("+-" + new string('-', l) + '-'));
System.Console.WriteLine("+");
foreach (var row in rows)
{
line = "";
for (int i = 0; i < row.Length; i++)
{
if (int.TryParse(row[i], out int n))
{
line += "| " + row[i].PadLeft(lengths[i]) + ' '; // numbers are padded to the left
}
else
{
line += "| " + row[i].PadRight(lengths[i]) + ' ';
}
}
System.Console.WriteLine(line + "|");
}
lengths.ForEach(l => System.Console.Write("+-" + new string('-', l) + '-'));
System.Console.WriteLine("+");
}
}
}
Sample usage:
var t = new TablePrinter("id", "Column A", "Column B");
t.AddRow(1, "Val A1", "Val B1");
t.AddRow(2, "Val A2", "Val B2");
t.AddRow(100, "Val A100", "Val B100");
t.Print();
Output:
+-----+----------+----------+
| id | Column A | Column B |
+-----+----------+----------+
| 1 | Val A1 | Val B1 |
| 2 | Val A2 | Val B2 |
| 100 | Val A100 | Val B100 |
+-----+----------+----------+
MS SQL knowledge based - How to know open SQL database connection(s) and occupied on which host.
Using below query you will find list database, Host name and total number of open connection count, based on that you will have idea, which host has occupied SQL connection.
SELECT DB_NAME(dbid) as DBName, hostname ,COUNT(dbid) as NumberOfConnections
FROM sys.sysprocesses with (nolock)
WHERE dbid > 0
and len(hostname) > 0
--and DB_NAME(dbid)='master' /* Open this line to filter Database by Name */
Group by DB_NAME(dbid),hostname
order by DBName
Pattern! The group names a (sub)pattern for later use in the regex. See the documentation here for details about how such groups are used.
If you can comment out code and your program still works, then yes, that code was optional.
.strip()
with no arguments (or None
as the first argument) removes all whitespace at the start and end, including spaces, tabs, newlines and carriage returns. Leaving it in doesn't do any harm, and allows your program to deal with unexpected extra whitespace inserted into the file.
For example, by using .strip()
, the following two lines in a file would lead to the same end result:
foo\tbar \n
foo\tbar\n
I'd say leave it in.
The spec says seconds:
http://tools.ietf.org/html/draft-ietf-oauth-v2-22#section-4.2.2
expires_in
OPTIONAL. The lifetime in seconds of the access token. For
example, the value "3600" denotes that the access token will
expire in one hour from the time the response was generated.
I agree with OP that it's careless for Google to not document this.
You can try this
markers[markers.length-1].setMap(null);
Hope it works.
Will be work 100%, Apply in .htaccess:
# Enable cross domain access control
SetEnvIf Origin "^http(s)?://(.+\.)?(1xyz\.com|2xyz\.com)$" REQUEST_ORIGIN=$0
Header always set Access-Control-Allow-Origin %{REQUEST_ORIGIN}e env=REQUEST_ORIGIN
Header always set Access-Control-Allow-Methods "GET, POST, PUT, DELETE, OPTIONS"
Header always set Access-Control-Allow-Headers "x-test-header, Origin, X-Requested-With, Content-Type, Accept"
# Force to request 200 for options
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule .* / [R=200,L]
Sometimes when we do these steps:
alter table my_table drop constraint my_pk;
alter table my_table add constraint my_pk primary key (city_id, buildtime, time);
The last statement fails with
ORA-00955 "name is already used by an existing object"
Oracle usually creates an unique index with the same name my_pk. In such a case you can drop the unique index or rename it based on whether the constraint is still relevant.
You can combine the dropping of primary key constraint and unique index into a single sql statement:
alter table my_table drop constraint my_pk drop index;
check this: ORA-00955 "name is already used by an existing object"
URL-encoded payload must be provided on the body
parameter of the http.NewRequest(method, urlStr string, body io.Reader)
method, as a type that implements io.Reader
interface.
Based on the sample code:
package main
import (
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
)
func main() {
apiUrl := "https://api.com"
resource := "/user/"
data := url.Values{}
data.Set("name", "foo")
data.Set("surname", "bar")
u, _ := url.ParseRequestURI(apiUrl)
u.Path = resource
urlStr := u.String() // "https://api.com/user/"
client := &http.Client{}
r, _ := http.NewRequest(http.MethodPost, urlStr, strings.NewReader(data.Encode())) // URL-encoded payload
r.Header.Add("Authorization", "auth_token=\"XXXXXXX\"")
r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))
resp, _ := client.Do(r)
fmt.Println(resp.Status)
}
resp.Status
is 200 OK
this way.
In the specific case of react-router
, using context
is a valid case scenario, e.g.
class MyComponent extends React.Component {
props: PropsType;
static contextTypes = {
router: PropTypes.object
};
render () {
this.context.router;
}
}
You can access an instance of the history via the router context, e.g. this.context.router.history
.
jmeter is now just installed with
brew install jmeter
This version includes the plugin manager that you can use to download the additional plugins.
OUTDATED:
If you want to include the plugins (JMeterPlugins Standard, Extras, ExtrasLibs, WebDriver and Hadoop) use:
brew install jmeter --with-plugins
UNIX_TIMESTAMP(ts1) - UNIX_TIMESTAMP(ts2)
If you want an unsigned difference, add an ABS()
around the expression.
Alternatively, you can use TIMEDIFF(ts1, ts2)
and then convert the time result to seconds with TIME_TO_SEC()
.
SELECT CAST(GETDATE() AS DATE)
Returns the current date with the time part removed.
DATETIME
s are not "stored in the following format". They are stored in a binary format.
SELECT CAST(GETDATE() AS BINARY(8))
The display format in the question is independent of storage.
Formatting into a particular display format should be done by your application.
If two beans are dependent on each other then we should not use Constructor injection in both the bean definitions. Instead we have to use setter injection in any one of the beans. (of course we can use setter injection n both the bean definitions, but constructor injections in both throw 'BeanCurrentlyInCreationException'
Refer Spring doc at "https://docs.spring.io/spring/docs/current/spring-framework-reference/core.html#resources-resource"
The modulus operator. The remainder when you divide two number.
For Example:
>>> 5 % 2 = 1 # remainder of 5 divided by 2 is 1
>>> 7 % 3 = 1 # remainer of 7 divided by 3 is 1
>>> 3 % 1 = 0 # because 1 divides evenly into 3
For integers you can use implicit conversion from int to varchar:
SELECT RIGHT(1000 + field, 3)
using (StreamWriter writer = new StreamWriter(File.Open(@"E:\Sample.txt", FileMode.Append), Encoding.GetEncoding(1250))) ////File.Create(path)
{
writer.Write("Sample Text");
}
Once you have access to the dbcrypt5 file , here is the android code to decrypt it:
private byte[] key = { (byte) 141, 75, 21, 92, (byte) 201, (byte) 255,
(byte) 129, (byte) 229, (byte) 203, (byte) 246, (byte) 250, 120,
25, 54, 106, 62, (byte) 198, 33, (byte) 166, 86, 65, 108,
(byte) 215, (byte) 147 };
private final byte[] iv = { 0x1E, 0x39, (byte) 0xF3, 0x69, (byte) 0xE9, 0xD,
(byte) 0xB3, 0x3A, (byte) 0xA7, 0x3B, 0x44, 0x2B, (byte) 0xBB,
(byte) 0xB6, (byte) 0xB0, (byte) 0xB9 };
long start = System.currentTimeMillis();
// create paths
backupPath = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/WhatsApp/Databases/msgstore.db.crypt5";
outputPath = Environment.getExternalStorageDirectory()
.getAbsolutePath() + "/WhatsApp/Databases/msgstore.db.decrypt";
File backup = new File(backupPath);
// check if file exists / is accessible
if (!backup.isFile()) {
Log.e(TAG, "Backup file not found! Path: " + backupPath);
return;
}
// acquire account name
AccountManager manager = AccountManager.get(this);
Account[] accounts = manager.getAccountsByType("com.google");
if (accounts.length == 0) {
Log.e(TAG, "Unable to fetch account!");
return;
}
String account = accounts[0].name;
try {
// calculate md5 hash over account name
MessageDigest message = MessageDigest.getInstance("MD5");
message.update(account.getBytes());
byte[] md5 = message.digest();
// generate key for decryption
for (int i = 0; i < 24; i++)
key[i] ^= md5[i & 0xF];
// read encrypted byte stream
byte[] data = new byte[(int) backup.length()];
DataInputStream reader = new DataInputStream(new FileInputStream(
backup));
reader.readFully(data);
reader.close();
// create output writer
File output = new File(outputPath);
DataOutputStream writer = new DataOutputStream(
new FileOutputStream(output));
// decrypt file
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
SecretKeySpec secret = new SecretKeySpec(key, "AES");
IvParameterSpec vector = new IvParameterSpec(iv);
cipher.init(Cipher.DECRYPT_MODE, secret, vector);
writer.write(cipher.update(data));
writer.write(cipher.doFinal());
writer.close();
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "Could not acquire hash algorithm!", e);
return;
} catch (IOException e) {
Log.e(TAG, "Error accessing file!", e);
return;
} catch (Exception e) {
Log.e(TAG, "Something went wrong during the encryption!", e);
return;
}
long end = System.currentTimeMillis();
Log.i(TAG, "Success! It took " + (end - start) + "ms");
If use generic repository
> lstModule = _ModuleRepository.GetAll().OrderBy(x => new { x.Level,
> x.Rank}).ToList();
else
> _db.Module.Where(x=> ......).OrderBy(x => new { x.Level, x.Rank}).ToList();
_method
hidden field workaround
The following simple technique is used by a few web frameworks:
add a hidden _method
parameter to any form that is not GET or POST:
<input type="hidden" name="_method" value="PUT">
This can be done automatically in frameworks through the HTML creation helper method.
fix the actual form method to POST (<form method="post"
)
processes _method
on the server and do exactly as if that method had been sent instead of the actual POST
You can achieve this in:
form_tag
@method("PATCH")
Rationale / history of why it is not possible in pure HTML: https://softwareengineering.stackexchange.com/questions/114156/why-there-are-no-put-and-delete-methods-in-html-forms
try this code:
SELECT DATE_FORMAT(FROM_UNIXTIME(field), '%Y') FROM table
I just wanted to supplement MajesticRa's recommendation of OxyPlot, and point out how OxyPlot can be used for a variety of plotting cases. The software is free and Open-Source, very polished, and allows for a variety of uses beyon normal 2D mapping.
I've been using OxyPlot for an unorthodox project, where I display (in WPF/C#) a map (Robotic Occupancy Grid) which I could overlay with LineSeries (Path Traveled) and PointSeries (Way Points). Using the OxyPlot ImageAnnotation feature I am able to display 60Hz Video within my OxyPlot, by periodically updating the ImageAnnotation on its own thread, while mapping Series of points overtop the video. The background video and points are even scalable and translatable.
Hopefully this is helpful for other looking to display plots overtop of images and videos.
Why not simply this?
resultString = Regex.Replace(subjectString, @"\\", "");
Based on the answer here by @Hendy Irawan
Show database sizes:
\l+
e.g.
=> \l+
berbatik_prd_commerce | berbatik_prd | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 19 MB | pg_default |
berbatik_stg_commerce | berbatik_stg | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 8633 kB | pg_default |
bursasajadah_prd | bursasajadah_prd | UTF8 | en_US.UTF-8 | en_US.UTF-8 | | 1122 MB | pg_default |
Show table sizes:
\d+
e.g.
=> \d+
public | tuneeca_prd | table | tomcat | 8192 bytes |
public | tuneeca_stg | table | tomcat | 1464 kB |
Only works in psql
.
Problem fixed, download https://curl.haxx.se/ca/cacert.pem and put it "somewhere", and add this line in php.ini
:
curl.cainfo = "C:/somewhere/cacert.pem"
PS: I got this error by trying to install module on drupal with xampp.
I have tested all approaches and:
WARNING:
display: none
DISABLES the spam checking!
visibility: hidden
and opacity: 0
do NOT disable the spam checking.
Code to use:
.grecaptcha-badge {
visibility: hidden;
}
When you hide the badge icon, Google wants you to reference their service on your form by adding this:
<small>This site is protected by reCAPTCHA and the Google
<a href="https://policies.google.com/privacy">Privacy Policy</a> and
<a href="https://policies.google.com/terms">Terms of Service</a> apply.
</small>
With TypeScript 2.9.+ you can simply import JSON files with typesafety and intellisense like this:
import colorsJson from '../colors.json'; // This import style requires "esModuleInterop", see "side notes"
console.log(colorsJson.primaryBright);
Make sure to add these settings in the compilerOptions
section of your tsconfig.json
(documentation):
"resolveJsonModule": true,
"esModuleInterop": true,
Side notes:
import * as colorsJson from '../colors.json'
data = pd.read_csv('your_dataset.tsv', delimiter = '\t', quoting = 3)
You can use a delimiter to separate data, quoting = 3 helps to clear quotes in datasst
Here is the code
String str = "Hi There";
char[] arr = str.toCharArray();
for(int i=0;i<arr.length;i++)
System.out.print(" "+arr[i]);
Emil's answer is correct, but it's my understanding that inet_ntoa
is deprecated and that instead you should use inet_ntop
. If you are using IPv4, cast your struct sockaddr
to sockaddr_in
. Your code will look something like this:
struct addrinfo *res; // populated elsewhere in your code
struct sockaddr_in *ipv4 = (struct sockaddr_in *)res->ai_addr;
char ipAddress[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &(ipv4->sin_addr), ipAddress, INET_ADDRSTRLEN);
printf("The IP address is: %s\n", ipAddress);
Take a look at this great resource for more explanation, including how to do this for IPv6 addresses.
According to this :
SmtpClient and its network of types are poorly designed, we strongly recommend you use https://github.com/jstedfast/MailKit and https://github.com/jstedfast/MimeKit instead.
Reference : https://docs.microsoft.com/en-us/dotnet/api/system.net.mail.smtpclient?view=netframework-4.8
It's better to use MailKit
to send emails :
var message = new MimeMessage ();
message.From.Add (new MailboxAddress ("Joey Tribbiani", "[email protected]"));
message.To.Add (new MailboxAddress ("Mrs. Chanandler Bong", "[email protected]"));
message.Subject = "How you doin'?";
message.Body = new TextPart ("plain") {
Text = @"Hey Chandler,
I just wanted to let you know that Monica and I were going to go play some paintball, you in?
-- Joey"
};
using (var client = new SmtpClient ()) {
// For demo-purposes, accept all SSL certificates (in case the server supports STARTTLS)
client.ServerCertificateValidationCallback = (s,c,h,e) => true;
client.Connect ("smtp.friends.com", 587, false);
// Note: only needed if the SMTP server requires authentication
client.Authenticate ("joey", "password");
client.Send (message);
client.Disconnect (true);
}
Dart Object
type has a runtimeType
instance member (source is from dart-sdk
v1.14, don't know if it was available earlier)
class Object {
//...
external Type get runtimeType;
}
Usage:
Object o = 'foo';
assert(o.runtimeType == String);
Everything suggested by user "mins" is correct, and excellent information.
WAMP 2.5 provides a default Server Configuration display when you enter localhost into your browser. This maps to c:\wamp\www, as described in previous posts. Creating subdirectories under www will cause Projects to appear on this display. A click and you're in your project.
I have various projects under different directory structures, sometimes on shared drives which makes this centralized location of files inconvenient. Luckily, there is a second feature of WAMP 2.5, an Alias, which makes specifying the location of one (or more) disparate web directories quite easy. No editing of configuration files. Using the WAMP menu, choose Apache > Alias directories > Add an Alias.
WAMP has evolved nicely to provide support for a variety of developer preferences.
printStackTrace()
prints the locations where the exception occurred in the source code, thus allowing the author who wrote the program to see what went wrong. But since it shows problems in the source code, the user(s) who may or may not have any coding experience may not be able to understand what went wrong, so if the program allows the user to send error messages to the authors, the users may not be able to give good data on what went wrong.
You should consider the Logger.getLogger()
method, it offers a better exception handling (logging) facility, and besides printStackTrace()
without arguments is considered to be obsolete and should ONLY be used for debugging purposes, not for user display.
You can still use map
if you can afford to create a makeshift array:
{
new Array(this.props.level).fill(0).map((_, index) => (
<span className='indent' key={index}></span>
))
}
This works because new Array(n).fill(x)
creates an array of size n
filled with x
, which can then aid map
.
SELECT * FROM table WHERE arr && '{s}'::text[];
Compare two arrays for containment.
The best performant solution is to stop using library calls and just recognize that you're working with two arrays. A hand-rolled implementation is both short and also faster than every other solution I've seen here.
function startsWith2(str, prefix) {
if (str.length < prefix.length)
return false;
for (var i = prefix.length - 1; (i >= 0) && (str[i] === prefix[i]); --i)
continue;
return i < 0;
}
For performance comparisons (success and failure), see http://jsperf.com/startswith2/4. (Make sure you check for later versions that may have trumped mine.)
You need to turn on Show All Files
option on solution pane toolbar and include this file manually.
By using jquery ajax you can reload your page
$.ajax({
type: "POST",
url: "packtypeAdd.php",
data: infoPO,
success: function() {
location.reload();
}
});
Your SVN passwords in Ubuntu (12.04) are in:
~/.subversion/auth/svn.simple/
However in newer versions they are encrypted, as earlier someone mentioned. To find gnome-keyring passwords, I suggest You to use 'gkeyring' program.
To install it on Ubuntu – add repository :
sudo add-apt-repository ppa:kampka/ppa
sudo apt-get update
Install it:
sudo apt-get install gkeyring
And run as following:
gkeyring --id 15 --output=name,secret
Try different key ids to find pair matching what you are looking for. Thanks to kampka for the soft.
I am using Protractor with directConnect. Disabling the "--no-sandbox" option fixed the issue for me.
// Capabilities to be passed to the webdriver instance.
capabilities: {
'directConnect': true,
'browserName': 'chrome',
chromeOptions: {
args: [
//"--headless",
//"--hide-scrollbars",
"--disable-software-rasterizer",
'--disable-dev-shm-usage',
//"--no-sandbox",
"incognito",
"--disable-gpu",
"--window-size=1920x1080"]
}
},
The answer here is not clear, so I wanted to add more detail.
Using the link provided above, I performed the following step.
In my XML config manager I changed the "Provider" to SQLOLEDB.1 rather than SQLNCLI.1. This got me past this error.
This information is available at the link the OP posted in the Answer.
The link the got me there: http://social.msdn.microsoft.com/Forums/en-US/sqlintegrationservices/thread/fab0e3bf-4adf-4f17-b9f6-7b7f9db6523c/
If you use bootstrap, you might use this -
<img src="{{URL::asset('/image/propic.png')}}" alt="profile Pic" height="200" width="200">
note: inside public folder create a new folder named image then put your images there. Using URL::asset()
you can directly access to the public folder.
In jquery ui modal dialogs you need to use this construct:
$( "#my_dialog" ).dialog( "option", "title", "my new title" );
To access the properties of an object without knowing the names of those properties you can use a for ... in
loop:
for(key in data) {
if(data.hasOwnProperty(key)) {
var value = data[key];
//do something with value;
}
}
Maybe bind() would help:
button.bind('click', function() {
alert('User clicked');
});
if test -e "$file_name";then
...
fi
if grep -q "poet" $file_name; then
..
fi
npm cache clean --force
npm update
Do not forget to do "npm update". it is very important step .
If you want to execute a specific command (that is string) after a specific time - cmd=your code - InterVal=delay to run
function ExecStr(cmd, InterVal) {
try {
setTimeout(function () {
var F = new Function(cmd);
return (F());
}, InterVal);
} catch (e) { }
}
//sample
ExecStr("alert(20)",500);
Edit: I misunderstood your question, I thought you were asking how to pad with spaces.
What you are asking is not possible using the string.Format
alignment component; string.Format
always pads with whitespace. See the Alignment Component section of MSDN: Composite Formatting.
According to Reflector, this is the code that runs inside StringBuilder.AppendFormat(IFormatProvider, string, object[])
which is called by string.Format
:
int repeatCount = num6 - str2.Length;
if (!flag && (repeatCount > 0))
{
this.Append(' ', repeatCount);
}
this.Append(str2);
if (flag && (repeatCount > 0))
{
this.Append(' ', repeatCount);
}
As you can see, blanks are hard coded to be filled with whitespace.
Here is simple solution with Jquery. It works globally. Have a look on the code.
$('document').on("click", ".clear", function(){
$(this).closest('form').trigger("reset");
})
Add a clear class to a button in every form you need to reset it. For example:
<button class="button clear" type="reset">Clear</button>
To add to Skelly's Bootstrap 3 no-gutter answer above (https://stackoverflow.com/a/21282059/662883)
Add the following to prevent gutters on a row containing only one column (useful when using column-wrapping: http://getbootstrap.com/css/#grid-example-wrapping):
.row.no-gutter [class*='col-']:only-child,
.row.no-gutter [class*='col-']:only-child
{
padding-right: 0;
padding-left: 0;
}
This upside-down-world is common with process error returns. The shell variable $?
reports the return value of the previous program to execute from the shell, so it is easy to tell if a program succeeds or fails:
$ false ; echo $?
1
$ true ; echo $?
0
This was chosen because there is a single case where a program succeeds but there could be dozens of reasons why a program fails -- by allowing there to be many different failure error codes, a program can determine why another program failed without having to parse output.
A concrete example is the aa-status
program supplied with the AppArmor mandatory access control tool:
Upon exiting, aa-status will set its return value to the
following values:
0 if apparmor is enabled and policy is loaded.
1 if apparmor is not enabled/loaded.
2 if apparmor is enabled but no policy is loaded.
3 if the apparmor control files aren't available under
/sys/kernel/security/.
4 if the user running the script doesn't have enough
privileges to read the apparmor control files.
(I'm sure there are more widely-spread programs with this behavior, but I know this one well. :)
Solution in Swift 3:
button.setTitleColor(UIColor.red, for: .normal)
This will set the title color of button.
The next steps after resolving the conflicts manually are:-
git merge --continue
, git cherry-pick --continue
, git rebase --continue
]I don't think the accepted solution handles the case where the error text is reported on stderr. From my testing the exception's output attribute did not contain the results from stderr and the docs warn against using stderr=PIPE in check_output(). Instead, I would suggest one small improvement to J.F Sebastian's solution by adding stderr support. We are, after all, trying to handle errors and stderr is where they are often reported.
from subprocess import Popen, PIPE
p = Popen(['bitcoin', 'sendtoaddress', ..], stdout=PIPE, stderr=PIPE)
output, error = p.communicate()
if p.returncode != 0:
print("bitcoin failed %d %s %s" % (p.returncode, output, error))
You simply forgot to supply an argument to -i
. Just change -i
to -i ''
.
Of course that means you don't want your files to be backed up; otherwise supply your extension of choice, like -i .bak
.
Well I can see two solutions here:
1) Follow the Docs-Tkinter install for Python (for Windows):
Tkinter (and, since Python 3.1, ttk) are included with all standard Python distributions. It is important that you use a version of Python supporting Tk 8.5 or greater, and ttk. We recommend installing the "ActivePython" distribution from ActiveState, which includes everything you'll need.
In your web browser, go to Activestate.com, and follow along the links to download the Community Edition of ActivePython for Windows. Make sure you're downloading a 3.1 or newer version, not a 2.x version.
Run the installer, and follow along. You'll end up with a fresh install of ActivePython, located in, e.g. C:\python32
. From a Windows command prompt, or the Start Menu's "Run..." command, you should then be able to run a Python shell via:
% C:\python32\python
This should give you the Python command prompt. From the prompt, enter these two commands:
>>> import tkinter
>>> tkinter._test()
This should pop up a small window; the first line at the top of the window should say "This is Tcl/Tk version 8.5"; make sure it is not 8.4!
2) Uninstall 64-bit Python and install 32 bit Python.
http://msdn.microsoft.com/en-us/library/ms191503.aspx
i would advice to create table with unique name before bulk inserting.
try this
<div ng-app="myApp" ng-controller="customersCtrl">
<div ng-include="'myTable.htm'"></div>
</div>
<script>
var app = angular.module('myApp', []);
app.controller('customersCtrl', function($scope, $http) {
$http.get("customers.php").then(function (response) {
$scope.names = response.data.records;
});
});
</script>
Parse the JSON string with JSON.parse()
, and the data becomes a JavaScript object:
JSON.parse(jsonString)
Here, JSON represents to process JSON dataset.
Imagine we received this text from a web server:
'{ "name":"John", "age":30, "city":"New York"}'
To parse into a JSON object:
var obj = JSON.parse('{ "name":"John", "age":30, "city":"New York"}');
Here obj
is the respective JSON object which looks like:
{ "name":"John", "age":30, "city":"New York"}
To fetch a value use the .
operator:
obj.name // John
obj.age //30
Convert a JavaScript object into a string with JSON.stringify()
.
If you're only getting these to manually pass into df.set_index()
, that's unnecessary. Just directly do df.set_index['your_col_name', drop=False]
, already.
It's very rare in pandas that you need to get an index as a Python list (unless you're doing something pretty funky, or else passing them back to NumPy), so if you're doing this a lot, it's a code smell that you're doing something wrong.
Remember to not capitalize your text when writing this command. For example:
Do write:
rails g model product title:string description:text image_url:string price:decimal
Do not write:
rails g Model product title:string description:text image_url:string price:decimal
At least it was a problem to me.
Folks, use strncpy(), strncat(), or snprintf().
Exceeding your buffer space will trash whatever else follows in memory!
(And remember to allow space for the trailing null '\0' character!)
I agree with other answers that you are doing something weird here. You have a list containing a string with multiple entries that are themselves integers that you are comparing to an integer id.
This is almost surely not what you should be doing. You probably should be taking input and converting it to integers before storing in your list. You could do that with:
input = '350882 348521 350166\r\n'
list.append([int(x) for x in input.split()])
Then your test will pass. If you really are sure you don't want to do what you're currently doing, the following should do what you want, which is to not add the new id that already exists:
list = ['350882 348521 350166\r\n']
id = 348521
if id not in [int(y) for x in list for y in x.split()]:
list.append(id)
print list
I hope I'm understanding the problem correctly, but it looks like you don't have a reference back to your DrawFrame object from DrawCircle.
Try this:
Change your constructor signature for DrawCircle to take in a DrawFrame object. Within the constructor, set the class variable "d" to the DrawFrame object you just took in. Now add the getWidth/getHeight methods to DrawFrame as mentioned in previous answers. See if that allows you to get what you're looking for.
Your DrawCircle constructor should be changed to something like:
public DrawCircle(DrawFrame frame)
{
d = frame;
w = 400;
h = 400;
diBig = 300;
diSmall = 10;
maxRad = (diBig/2) - diSmall;
xSq = 50;
ySq = 50;
xPoint = 200;
yPoint = 200;
}
The last line of code in DrawFrame should look something like:
contentPane.add(new DrawCircle(this));
Then, try using d.getheight(), d.getWidth() and so on within DrawCircle. This assumes you still have those methods available on DrawFrame to access them, of course.
Just to add my two cents to @dbr's answer, following is an example of how to implement this sentence from the official documentation he's cited:
"[...] to return a string that would yield an object with the same value when passed to eval(), [...]"
Given this class definition:
class Test(object):
def __init__(self, a, b):
self._a = a
self._b = b
def __str__(self):
return "An instance of class Test with state: a=%s b=%s" % (self._a, self._b)
def __repr__(self):
return 'Test("%s","%s")' % (self._a, self._b)
Now, is easy to serialize instance of Test
class:
x = Test('hello', 'world')
print 'Human readable: ', str(x)
print 'Object representation: ', repr(x)
print
y = eval(repr(x))
print 'Human readable: ', str(y)
print 'Object representation: ', repr(y)
print
So, running last piece of code, we'll get:
Human readable: An instance of class Test with state: a=hello b=world
Object representation: Test("hello","world")
Human readable: An instance of class Test with state: a=hello b=world
Object representation: Test("hello","world")
But, as I said in my last comment: more info is just here!
You can try this
EndDate.Date.Subtract(DateTime.Now.Date).Days
I think you just need to create your volume outside docker first with a docker create -v /location --name
and then reuse it.
And by the time I used to use docker a lot, it wasn't possible to use a static docker volume with dockerfile definition so my suggestion is to try the command line (eventually with a script ) .
You can have it embedded (build action set to Resource
) as well, this is how to retrieve it from there:
private static UnmanagedMemoryStream GetResourceStream(string resName)
{
var assembly = Assembly.GetExecutingAssembly();
var strResources = assembly.GetName().Name + ".g.resources";
var rStream = assembly.GetManifestResourceStream(strResources);
var resourceReader = new ResourceReader(rStream);
var items = resourceReader.OfType<DictionaryEntry>();
var stream = items.First(x => (x.Key as string) == resName.ToLower()).Value;
return (UnmanagedMemoryStream)stream;
}
private void Button1_Click(object sender, RoutedEventArgs e)
{
string resName = "Test.txt";
var file = GetResourceStream(resName);
using (var reader = new StreamReader(file))
{
var line = reader.ReadLine();
MessageBox.Show(line);
}
}
(Some code taken from this answer by Charles)
If you have a 200,000,000 character files and split that every five characters, you have 40,000,000 String
objects. Assume they are sharing actual character data with the original 400 MB String
(char
is 2 bytes). A String
is say 32 bytes, so that is 1,280,000,000 bytes of String
objects.
(It's probably worth noting that this is very implementation dependent. split
could create entirely strings with entirely new backing char[]
or, OTOH, share some common String
values. Some Java implementations to not use the slicing of char[]
. Some may use a UTF-8-like compact form and give very poor random access times.)
Even assuming longer strings, that's a lot of objects. With that much data, you probably want to work with most of it in compact form like the original (only with indexes). Only convert to objects that which you need. The implementation should be database like (although they traditionally don't handle variable length strings efficiently).
From a web page this cannot work since IE restricts the use of that object.
hstore
is more of a "wide column" storage type, it is a flat (non-nested) dictionary of key-value pairs, always stored in a reasonably efficient binary format (a hash table, hence the name).json
stores JSON documents as text, performing validation when the documents are stored, and parsing them on output if needed (i.e. accessing individual fields); it should support the entire JSON spec. Since the entire JSON text is stored, its formatting is preserved.jsonb
takes shortcuts for performance reasons: JSON data is parsed on input and stored in binary format, key orderings in dictionaries are not maintained, and neither are duplicate keys. Accessing individual elements in the JSONB field is fast as it doesn't require parsing the JSON text all the time. On output, JSON data is reconstructed and initial formatting is lost.IMO, there is no significant reason for not using jsonb
once it is available, if you are working with machine-readable data.
Yes, this is an old question. But it's misleading, as this was the first result in my search, and both the answers aren't correct anymore.
You can change your Github account name at any time.
To do this, click your profile picture > Settings
> Account Settings
> Change Username
.
Links to your repositories will redirect to the new URLs, but they should be updated on other sites because someone who chooses your abandoned username can override the links. Links to your profile page will be 404'd.
For more information, see the official help page.
And furthermore, if you want to change your username to something else, but that specific username is being taken up by someone else who has been completely inactive for the entire time their account has existed, you can report their account for name squatting.
To use a promise, you have to either call a function that creates a promise or you have to create one yourself. You don't really describe what problem you're really trying to solve, but here's how you would create a promise yourself:
function justTesting(input) {_x000D_
return new Promise(function(resolve, reject) {_x000D_
// some async operation here_x000D_
setTimeout(function() {_x000D_
// resolve the promise with some value_x000D_
resolve(input + 10);_x000D_
}, 500);_x000D_
});_x000D_
}_x000D_
_x000D_
justTesting(29).then(function(val) {_x000D_
// you access the value from the promise here_x000D_
log(val);_x000D_
});_x000D_
_x000D_
// display output in snippet_x000D_
function log(x) {_x000D_
document.write(x);_x000D_
}
_x000D_
Or, if you already have a function that returns a promise, you can use that function and return its promise:
// function that returns a promise_x000D_
function delay(t) {_x000D_
return new Promise(function(resolve) {_x000D_
setTimeout(function() {_x000D_
resolve();_x000D_
}, t);_x000D_
});_x000D_
}_x000D_
_x000D_
function justTesting(input) {_x000D_
return delay(100).then(function() {_x000D_
return input + 10;_x000D_
});_x000D_
}_x000D_
_x000D_
justTesting(29).then(function(val) {_x000D_
// you access the value from the promise here_x000D_
log(val);_x000D_
});_x000D_
_x000D_
// display output in snippet_x000D_
function log(x) {_x000D_
document.write(x);_x000D_
}
_x000D_
SELECT TOP 5 Id, Name FROM customerNames
ORDER BY NEWID()
That said, everybody seems to come to this page for the more general answer to your question:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
SELECT column FROM table
ORDER BY RANDOM()
LIMIT 1
SELECT TOP 1 column FROM table
ORDER BY NEWID()
SELECT column, RAND() as IDX
FROM table
ORDER BY IDX FETCH FIRST 1 ROWS ONLY
SELECT column FROM
( SELECT column FROM table
ORDER BY dbms_random.value )
WHERE rownum = 1
SELECT column FROM table
ORDER BY RANDOM() LIMIT 1
import static net.minidev.json.JSONValue.isValidJson;
and then call this function passing in your JSON String :)
2 things you should note:
String#replace(String)
will do the job.So just use this code:
String replaced = string.replace("abcd", "dddd");
SELECT owner, table_name
FROM dba_constraints
WHERE constraint_name = <<your constraint name>>
will give you the name of the table. If you don't have access to the DBA_CONSTRAINTS
view, ALL_CONSTRAINTS
or USER_CONSTRAINTS
should work as well.
I'd recommend using JQuery's keyup and keydown methods on the document, as it normalizes the event codes, to make one solution crossbrowser.
For the right click, you can use oncontextmenu, however beware it can be buggy in IE8. See a chart of compatibility here:
http://www.quirksmode.org/dom/events/contextmenu.html
<p onclick="selectMe(1)" oncontextmenu="selectMe(2)">Click me</p>
$(document).keydown(function(event){
if(event.which=="17")
cntrlIsPressed = true;
});
$(document).keyup(function(){
cntrlIsPressed = false;
});
var cntrlIsPressed = false;
function selectMe(mouseButton)
{
if(cntrlIsPressed)
{
switch(mouseButton)
{
case 1:
alert("Cntrl + left click");
break;
case 2:
alert("Cntrl + right click");
break;
default:
break;
}
}
}
I found this page in the documentation which has an objective-c enum for all of the error codes under the NSURLErrorDomain.
Nice topic. Well, I have done so. In XML file:
<EditText
...
android:editable="false"
android:inputType="none" />
In Java-code:
txtDay.setOnClickListener(onOnClickEvent);
txtDay.setOnFocusChangeListener(onFocusChangeEvent);
private View.OnClickListener onOnClickEvent = new View.OnClickListener() {
@Override
public void onClick(View view) {
dpDialog.show();
}
};
private View.OnFocusChangeListener onFocusChangeEvent = new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus)
dpDialog.show();
}
};
Regarding the width and height:
var img = document.getElementById('imageId');
var width = img.clientWidth;
var height = img.clientHeight;
Regarding the filesize you can use performance
var size = performance.getEntriesByName(url)[0];
console.log(size.transferSize); // or decodedBodySize might differ if compression is used on server side
You can do it. That is what big guys do as well.
First query:
» host google.com
google.com has address 74.125.232.230
google.com has address 74.125.232.231
google.com has address 74.125.232.232
google.com has address 74.125.232.233
google.com has address 74.125.232.238
google.com has address 74.125.232.224
google.com has address 74.125.232.225
google.com has address 74.125.232.226
google.com has address 74.125.232.227
google.com has address 74.125.232.228
google.com has address 74.125.232.229
Next query:
» host google.com
google.com has address 74.125.232.224
google.com has address 74.125.232.225
google.com has address 74.125.232.226
google.com has address 74.125.232.227
google.com has address 74.125.232.228
google.com has address 74.125.232.229
google.com has address 74.125.232.230
google.com has address 74.125.232.231
google.com has address 74.125.232.232
google.com has address 74.125.232.233
google.com has address 74.125.232.238
As you see, the list of IPs rotated around, but the relative order between two IPs stayed the same.
Update: I see several comments bragging about how DNS round-robin is not convenient for fail-over, so here is the summary: DNS is not for fail-over. So it is obviously not good for fail-over. It was never designed to be a solution for fail-over.
Suppose I have numbers 1 to 10 in cells A2:A11
with my autofilter in A1
. I now filter to only show numbers greater then 5 (i.e. 6, 7, 8, 9, 10).
This code will only print visible cells:
Sub SpecialLoop()
Dim cl As Range, rng As Range
Set rng = Range("A2:A11")
For Each cl In rng
If cl.EntireRow.Hidden = False Then //Use Hidden property to check if filtered or not
Debug.Print cl
End If
Next
End Sub
Perhaps there is a better way with SpecialCells
but the above worked for me in Excel 2003.
EDIT
Just found a better way with SpecialCells
:
Sub SpecialLoop()
Dim cl As Range, rng As Range
Set rng = Range("A2:A11")
For Each cl In rng.SpecialCells(xlCellTypeVisible)
Debug.Print cl
Next cl
End Sub
How about this:
from pandas import *
idx = Int64Index([171, 174, 173])
df = DataFrame(index = idx, data =([1,2,3]))
print df
It gives me:
0
171 1
174 2
173 3
Is this what you are looking for?
A simple example where the operator checks if player's id is 1 and sets enemy id depending on the result
player_id=1
....
player_id==1? enemy_id=2 : enemy_id=1
# => enemy=2
And I found a post about to the topic which seems pretty helpful.
"Hello, this is Mike (example)".replace(/ *\([^)]*\) */g, "");
Result:
"Hello, this is Mike"
The updatePolicy tag didn't work for me. However Rich Seller mentioned that snapshots should be disabled anyways so I looked further and noticed that the extra repository that I added to my settings.xml was causing the problem actually. Adding the snapshots section to this repository in my settings.xml did the trick!
<repository>
<id>jboss</id>
<name>JBoss Repository</name>
<url>http://repository.jboss.com/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
Probably the exact details of em.flush()
are implementation-dependent.
In general anyway, JPA providers like Hibernate can cache the SQL instructions they are supposed to send to the database, often until you actually commit the transaction.
For example, you call em.persist()
, Hibernate remembers it has to make a database INSERT, but does not actually execute the instruction until you commit the transaction. Afaik, this is mainly done for performance reasons.
In some cases anyway you want the SQL instructions to be executed immediately; generally when you need the result of some side effects, like an autogenerated key, or a database trigger.
What em.flush()
does is to empty the internal SQL instructions cache, and execute it immediately to the database.
Bottom line: no harm is done, only you could have a (minor) performance hit since you are overriding the JPA provider decisions as regards the best timing to send SQL instructions to the database.
Well I think the simplest and fastest solution here would be just to:
StringBuilder sb = new StringBuilder();
using (var writer = XmlWriter.Create(sb, settings))
{
... // Whatever code you have/need :)
sb = sb.Replace("encoding=\"utf-16\"", "encoding=\"utf-8\""); //Or whatever uft you want/use.
//Before you finally save it:
File.WriteAllText("path\\dataName.xml", sb.ToString());
}
I solved this by copying it over to the missing directory:
cp /opt/X11/lib/libpng15.15.dylib /usr/local/lib/libpng15.15.dylib
brew reinstall libpng kept installing libpng16, not libpng15 so I was forced to do the above.
You can pass the column name but you cannot use it in a sql statemnt like
Select @Columnname From Table
One could build a dynamic sql string and execute it like EXEC (@SQL)
For more information see this answer on dynamic sql.
To keep your code DRY, and if your content comes from your model you should adopt a slightly different approach. Edit your model like so (tested in L5.8):
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;
class Comment extends Model
{
public function getShortDescriptionAttribute()
{
return Str::words($this->description, 10, '...');
}
}
?>
Then in your view :
{{ $comment->short_description }}
I would suggest using originalUrl instead of URL:
var url = req.protocol + '://' + req.get('host') + req.originalUrl;
See the description of originalUrl here: http://expressjs.com/api.html#req.originalUrl
In our system, we do something like this, so originalUrl is important to us:
foo = express();
express().use('/foo', foo);
foo.use(require('/foo/blah_controller'));
blah_controller looks like this:
controller = express();
module.exports = controller;
controller.get('/bar/:barparam', function(req, res) { /* handler code */ });
So our URLs have the format:
www.example.com/foo/bar/:barparam
Hence, we need req.originalUrl in the bar controller get handler.
I had to delete the
C:\Users{username}\AppData\Local\JetBrains folder. Then is was able to enable the shorcuts again.
In Python 2.7 and 3 you can use this:
import string
string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
string.ascii_uppercase
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
As @Zaz says:
string.lowercase
is deprecated and no longer works in Python 3 but string.ascii_lowercase
works in both
If it's in a class, you can use getattr:
class MyClass(object):
def install(self):
print "In install"
method_name = 'install' # set by the command line options
my_cls = MyClass()
method = None
try:
method = getattr(my_cls, method_name)
except AttributeError:
raise NotImplementedError("Class `{}` does not implement `{}`".format(my_cls.__class__.__name__, method_name))
method()
or if it's a function:
def install():
print "In install"
method_name = 'install' # set by the command line options
possibles = globals().copy()
possibles.update(locals())
method = possibles.get(method_name)
if not method:
raise NotImplementedError("Method %s not implemented" % method_name)
method()
I'll start off with this: consistency is king, the decision is less important than the consistency in your code base.
NULL is defined as 0
or 0L
in C++.
If you've read The C++ Programming Language Bjarne Stroustrup suggests using 0
explicitly to avoid the NULL
macro when doing assignment, I'm not sure if he did the same with comparisons, it's been a while since I read the book, I think he just did if(some_ptr)
without an explicit comparison but I am fuzzy on that.
The reason for this is that the NULL
macro is deceptive (as nearly all macros are) it is actually 0
literal, not a unique type as the name suggests it might be. Avoiding macros is one of the general guidelines in C++. On the other hand, 0
looks like an integer and it is not when compared to or assigned to pointers. Personally I could go either way, but typically I skip the explicit comparison (though some people dislike this which is probably why you have a contributor suggesting a change anyway).
Regardless of personal feelings this is largely a choice of least evil as there isn't one right method.
This is clear and a common idiom and I prefer it, there is no chance of accidentally assigning a value during the comparison and it reads clearly:
if (some_ptr) {}
This is clear if you know that some_ptr
is a pointer type, but it may also look like an integer comparison:
if (some_ptr != 0) {}
This is clear-ish, in common cases it makes sense... But it's a leaky abstraction, NULL
is actually 0
literal and could end up being misused easily:
if (some_ptr != NULL) {}
C++11 has nullptr
which is now the preferred method as it is explicit and accurate, just be careful about accidental assignment:
if (some_ptr != nullptr) {}
Until you are able to migrate to C++0x I would argue it's a waste of time worrying about which of these methods you use, they are all insufficient which is why nullptr was invented (along with generic programming issues which came up with perfect forwarding.) The most important thing is to maintain consistency.
C is a different beast.
In C NULL
can be defined as 0
or as ((void *)0)
, C99 allows for implementation defined null pointer constants. So it actually comes down to the implementation's definition of NULL
and you will have to inspect it in your standard library.
Macros are very common and in general they are used a lot to make up for deficiencies in generic programming support in the language and other things as well. The language is much simpler and reliance on the preprocessor more common.
From this perspective I'd probably recommend using the NULL
macro definition in C.
All the information is in the existing answers, but I personally wished for a concise summary, so here's an attempt at it; the commands use int
variables for brevity, but they apply analogously to any type, including string
.
To declare multiple variables and:
int i = 0, j = 1; // declare and initialize each; `var` is NOT supported as of C# 8.0
int i, j; // *declare* first (`var` is NOT supported)
i = j = 42; // then *initialize*
// Single-statement alternative that is perhaps visually less obvious:
// Initialize the first variable with the desired value, then use
// the first variable to initialize the remaining ones.
int i = 42, j = i, k = i;
What doesn't work:
You cannot use var
in the above statements, because var
only works with (a) a declaration that has an initialization value (from which the type can be inferred), and (b), as of C# 8.0, if that declaration is the only one in the statement (otherwise you'll get compilation error error CS0819: Implicitly-typed variables cannot have multiple declarators
).
Placing an initialization value only after the last variable in a multiple-declarations statement initializes the last variable only:
int i, j = 1;
// initializes *only* j
you should use the CSV module for sure , but the chances are , you need to write unicode . For those Who need to write unicode , this is the class from example page , that you can use as a util module:
import csv, codecs, cStringIO
class UTF8Recoder:
"""
Iterator that reads an encoded stream and reencodes the input to UTF-8
"""
def __init__(self, f, encoding):
self.reader = codecs.getreader(encoding)(f)
def __iter__(self):
return self
def next(self):
return self.reader.next().encode("utf-8")
class UnicodeReader:
"""
A CSV reader which will iterate over lines in the CSV file "f",
which is encoded in the given encoding.
"""
def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
f = UTF8Recoder(f, encoding)
self.reader = csv.reader(f, dialect=dialect, **kwds)
def next(self):
row = self.reader.next()
return [unicode(s, "utf-8") for s in row]
def __iter__(self):
return self
class UnicodeWriter:
"""
A CSV writer which will write rows to CSV file "f",
which is encoded in the given encoding.
"""
def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
# Redirect output to a queue
self.queue = cStringIO.StringIO()
self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
self.stream = f
self.encoder = codecs.getincrementalencoder(encoding)()
def writerow(self, row):
self.writer.writerow([s.encode("utf-8") for s in row])
# Fetch UTF-8 output from the queue ...
data = self.queue.getvalue()
data = data.decode("utf-8")
# ... and reencode it into the target encoding
data = self.encoder.encode(data)
# write to the target stream
self.stream.write(data)
# empty queue
self.queue.truncate(0)
def writerows(self, rows):
for row in rows:
self.writerow(row)
If you want to replace an arbitrary sequence of blank characters (tab, space) with one comma, use the following:
sed 's/[\t ]+/,/g' input_file > output_file
or
sed -r 's/[[:blank:]]+/,/g' input_file > output_file
If some of your input lines include leading space characters which are redundant and don't need to be converted to commas, then first you need to get rid of them, and then convert the remaining blank characters to commas. For such case, use the following:
sed 's/ +//' input_file | sed 's/[\t ]+/,/g' > output_file
Encountering the same problem, I solved this by reconverting the file with default mp4 settings in iMovie.
I created this Function after researching on the internet since I wanted to print an XML string when you select a row from a data grid view.
static void HighlightPhrase(RichTextBox box, string StartTag, string EndTag, string ControlTag, Color color1, Color color2)
{
int pos = box.SelectionStart;
string s = box.Text;
for (int ix = 0; ; )
{
int jx = s.IndexOf(StartTag, ix, StringComparison.CurrentCultureIgnoreCase);
if (jx < 0) break;
int ex = s.IndexOf(EndTag, ix, StringComparison.CurrentCultureIgnoreCase);
box.SelectionStart = jx;
box.SelectionLength = ex - jx + 1;
box.SelectionColor = color1;
int bx = s.IndexOf(ControlTag, ix, StringComparison.CurrentCultureIgnoreCase);
int bxtest = s.IndexOf(StartTag, (ex + 1), StringComparison.CurrentCultureIgnoreCase);
if (bx == bxtest)
{
box.SelectionStart = ex + 1;
box.SelectionLength = bx - ex + 1;
box.SelectionColor = color2;
}
ix = ex + 1;
}
box.SelectionStart = pos;
box.SelectionLength = 0;
}
and this is how you call it
HighlightPhrase(richTextBox1, "<", ">","</", Color.Red, Color.Black);
I had this problem but in my case it solved by restarting the eclipse.
Try using the code after you active the sheet:
Dim J as integer
J = ActiveSheet.UsedRange.SpecialCells(xlCellTypeLastCell).Row
If you use Cells.SpecialCells(xlCellTypeLastCell).Row
only, the problem will be that the xlCellTypeLastCell
information will not be updated unless one do a "Save file" action. But use UsedRange
will always update the information in realtime.
i'd use a simple one line comparisant for these use cases
$username = trim($_POST['userName'])?:'Anonymous';
This is for the use case you are certain error logging is off so you don't get a warning that the variable isn't initialised.
this is the paranoid version:
$username = !empty(trim(isset($_POST['userName'])?$_POST['userName']:''))?$_POST['userName']:'Anonymous';
This implements a check if the $_POST
variable is set. before accessing it.
Sometimes https and http ports can be same because if two tags are given same ports
IISExpressSSLPort
and DevelopmentServerPort
Make sure these two ports have different ports
then in IISUrl
use your default port either HTTP or HTTPS
https://localhost:44365
IISExpressSSLPort
DevelopmentServerPort
Then you may delete hidden .vs folder in solution folder
if(jRadioButton1.isSelected()){
jTextField1.setText("Welcome");
}
else if(jRadioButton2.isSelected()){
jTextField1.setText("Hello");
}
Some people seem to be confusing these macros with assert()
.
These macros implement a compile-time test, while assert()
is a runtime test.
You can use memset
with the size of the struct:
struct x x_instance;
memset (&x_instance, 0, sizeof(x_instance));
I would start by reading up on streams on MSDN: http://msdn.microsoft.com/en-us/library/system.io.stream.aspx
Memorystream and FileStream are streams used to work with raw memory and Files respectively...
close you project then open xcode go to file -> open search your project and open it . this worked for me
These answers either don't give unique values, or are so long (one even adding an external library to do such a simple task).
1. generate a random number.
2. if we have this random already then goto 1, else keep it.
3. if we don't have desired quantity of randoms, then goto 1.
function uniqueRandoms(qty, min, max){_x000D_
var rnd, arr=[];_x000D_
do { do { rnd=Math.floor(Math.random()*max)+min }_x000D_
while(arr.includes(rnd))_x000D_
arr.push(rnd);_x000D_
} while(arr.length<qty)_x000D_
return arr;_x000D_
}_x000D_
_x000D_
//generate 5 unique numbers between 1 and 10_x000D_
console.log( uniqueRandoms(5, 1, 10) );
_x000D_
...and a compressed version of the same function:
function uniqueRandoms(qty,min,max){var a=[];do{do{r=Math.floor(Math.random()*max)+min}while(a.includes(r));a.push(r)}while(a.length<qty);return a}
Postman in the chrome store is simple but powerful.
here's another way
import numpy as np
set(np.concatenate(df.values))
Assign null to the array locations.
In my case it was the distinction between –
(En dash) and -
(Hyphen) as in:
Add-Type –Path "C:\Program Files\Common Files\microsoft shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
and:
Add-Type -Path "C:\Program Files\Common Files\microsoft shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Dashes, Hyphens, and Minus signs oh my!
you show fragment in a container (with id= fragmentcontainer) so you remove fragment with:
Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainer);
fragmentTransaction.remove(fragment);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
A simple solution might be opening the file in Firefox.
and the text encoding will appear on the "Page Info" window.
Note: If the file is not in txt format, just rename it to txt and try again.
P.S. For more info see this article.
I have same problem and i found solution which is given below with full datepicker using simple HTML,Javascript and CSS. In this code i prepare formate like dd/mm/yyyy but you can work any.
HTML Code:
<body>
<input type="date" id="dt" onchange="mydate1();" hidden/>
<input type="text" id="ndt" onclick="mydate();" hidden />
<input type="button" Value="Date" onclick="mydate();" />
</body>
CSS Code:
#dt{text-indent: -500px;height:25px; width:200px;}
Javascript Code :
function mydate()
{
//alert("");
document.getElementById("dt").hidden=false;
document.getElementById("ndt").hidden=true;
}
function mydate1()
{
d=new Date(document.getElementById("dt").value);
dt=d.getDate();
mn=d.getMonth();
mn++;
yy=d.getFullYear();
document.getElementById("ndt").value=dt+"/"+mn+"/"+yy
document.getElementById("ndt").hidden=false;
document.getElementById("dt").hidden=true;
}
Output:
You install a new version of R from the official website.
RStudio should automatically start with the new version when you relaunch it.
In case you need to do it manually, in RStudio, go to :Tools -> options -> General.
Check @micstr's answer for a more detailed walkthrough.
Last version to support windows XP (SP3) is mono-4.3.2.467-gtksharp-2.12.30.1-win32-0.msi and that doesnot replace .NET 4.5 but could be of interest for some applications.
see there: https://download.mono-project.com/archive/4.3.2/windows-installer/